diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/Makefile.kernel | 6 | ||||
| -rw-r--r-- | linux-core/drmP.h | 6 | ||||
| -rw-r--r-- | linux-core/drm_bo.c | 21 | ||||
| -rw-r--r-- | linux-core/drm_compat.h | 7 | ||||
| -rw-r--r-- | linux-core/drm_crtc.c | 1107 | ||||
| -rw-r--r-- | linux-core/drm_crtc.h | 480 | ||||
| -rw-r--r-- | linux-core/drm_drv.c | 11 | ||||
| -rw-r--r-- | linux-core/drm_edid.c | 468 | ||||
| -rw-r--r-- | linux-core/drm_edid.h | 176 | ||||
| -rw-r--r-- | linux-core/drm_fb.c | 201 | ||||
| -rw-r--r-- | linux-core/drm_fops.c | 3 | ||||
| -rw-r--r-- | linux-core/drm_modes.c | 338 | ||||
| -rw-r--r-- | linux-core/edid.h | 138 | ||||
| -rw-r--r-- | linux-core/i915_drv.c | 1 | ||||
| l--------- | linux-core/i915_init.c | 1 | ||||
| -rw-r--r-- | linux-core/intel_crt.c | 269 | ||||
| -rw-r--r-- | linux-core/intel_display.c | 1203 | ||||
| -rw-r--r-- | linux-core/intel_drv.h | 78 | ||||
| -rw-r--r-- | linux-core/intel_i2c.c | 187 | ||||
| -rw-r--r-- | linux-core/intel_lvds.c | 472 | ||||
| -rw-r--r-- | linux-core/intel_modes.c | 55 | ||||
| -rw-r--r-- | linux-core/intel_sdvo.c | 1059 | ||||
| -rw-r--r-- | linux-core/intel_sdvo_regs.h | 324 | 
23 files changed, 6603 insertions, 8 deletions
| diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel index 6f5b021b..b9684d68 100644 --- a/linux-core/Makefile.kernel +++ b/linux-core/Makefile.kernel @@ -13,13 +13,15 @@ drm-objs    := drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \  		drm_sysfs.o drm_pci.o drm_agpsupport.o drm_scatter.o \  		drm_memory_debug.o ati_pcigart.o drm_sman.o \  		drm_hashtab.o drm_mm.o drm_object.o drm_compat.o \ -	        drm_fence.o drm_ttm.o drm_bo.o drm_bo_move.o +	        drm_fence.o drm_ttm.o drm_bo.o drm_bo_move.o drm_crtc.o \ +		drm_edid.o drm_modes.o drm_fb.o  tdfx-objs   := tdfx_drv.o  r128-objs   := r128_drv.o r128_cce.o r128_state.o r128_irq.o  mga-objs    := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o  i810-objs   := i810_drv.o i810_dma.o  i915-objs   := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_fence.o \ -		i915_buffer.o +		i915_buffer.o intel_display.o intel_crt.o intel_lvds.o \ +		intel_sdvo.o intel_modes.o intel_i2c.o i915_init.o  nouveau-objs := nouveau_drv.o nouveau_state.o nouveau_fifo.o nouveau_mem.o \  		nouveau_object.o nouveau_irq.o \  		nv04_timer.o \ diff --git a/linux-core/drmP.h b/linux-core/drmP.h index d879c2a2..ac0bd767 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -75,6 +75,7 @@  #include <linux/poll.h>  #include <asm/pgalloc.h>  #include "drm.h" +#include "drm_crtc.h"  #include <linux/slab.h>  #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) @@ -164,6 +165,8 @@  #include "drm_compat.h" +#include "drm_crtc.h" +  /***********************************************************************/  /** \name Macros to make printk easier */  /*@{*/ @@ -831,6 +834,9 @@ typedef struct drm_device {  	unsigned int drw_info_length;  	drm_drawable_info_t **drw_info;  	/*@} */ + +	/* DRM mode setting */ +	struct drm_mode_config mode_config;  } drm_device_t;  #if __OS_HAS_AGP diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index 17d6fbc0..a379c741 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -89,6 +89,9 @@ static int drm_bo_vm_pre_move(drm_buffer_object_t * bo, int old_is_pci)  #ifdef DRM_ODD_MM_COMPAT  	int ret; +	if (!bo->map_list.map) +		return 0; +  	ret = drm_bo_lock_kmm(bo);  	if (ret)  		return ret; @@ -96,6 +99,9 @@ static int drm_bo_vm_pre_move(drm_buffer_object_t * bo, int old_is_pci)  	if (old_is_pci)  		drm_bo_finish_unmap(bo);  #else +	if (!bo->map_list.map) +		return 0; +  	drm_bo_unmap_virtual(bo);  #endif  	return 0; @@ -106,6 +112,9 @@ static void drm_bo_vm_post_move(drm_buffer_object_t * bo)  #ifdef DRM_ODD_MM_COMPAT  	int ret; +	if (!bo->map_list.map) +		return; +  	ret = drm_bo_remap_bound(bo);  	if (ret) {  		DRM_ERROR("Failed to remap a bound buffer object.\n" @@ -131,6 +140,11 @@ static int drm_bo_add_ttm(drm_buffer_object_t * bo)  		if (!bo->ttm)  			ret = -ENOMEM;  		break; +	case drm_bo_type_kernel: +		bo->ttm = drm_ttm_init(dev, bo->mem.num_pages << PAGE_SHIFT); +		if (!bo->ttm) +			ret = -ENOMEM; +		break;  	case drm_bo_type_user:  	case drm_bo_type_fake:  		break; @@ -1530,7 +1544,7 @@ static int drm_bo_handle_wait(drm_file_t * priv, uint32_t handle,  	return ret;  } -int drm_buffer_object_create(drm_file_t * priv, +int drm_buffer_object_create(drm_device_t *dev,  			     unsigned long size,  			     drm_bo_type_t type,  			     uint32_t mask, @@ -1539,7 +1553,6 @@ int drm_buffer_object_create(drm_file_t * priv,  			     unsigned long buffer_start,  			     drm_buffer_object_t ** buf_obj)  { -	drm_device_t *dev = priv->head->dev;  	drm_buffer_manager_t *bm = &dev->bm;  	drm_buffer_object_t *bo;  	int ret = 0; @@ -1615,6 +1628,7 @@ int drm_buffer_object_create(drm_file_t * priv,  	drm_bo_usage_deref_unlocked(bo);  	return ret;  } +EXPORT_SYMBOL(drm_buffer_object_create);  static int drm_bo_add_user_object(drm_file_t * priv, drm_buffer_object_t * bo,  				  int shareable) @@ -1670,7 +1684,8 @@ int drm_bo_ioctl(DRM_IOCTL_ARGS)  		switch (req->op) {  		case drm_bo_create:  			rep.ret = -			    drm_buffer_object_create(priv, req->size, +			    drm_buffer_object_create(priv->head->dev, +						     req->size,  						     req->type,  						     req->mask,  						     req->hint, diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h index bc5fadc5..bada1fdf 100644 --- a/linux-core/drm_compat.h +++ b/linux-core/drm_compat.h @@ -60,6 +60,13 @@  #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))  #undef DRM_IRQ_ARGS  #define DRM_IRQ_ARGS		int irq, void *arg, struct pt_regs *regs + +typedef _Bool bool; +enum { +        false   = 0, +        true    = 1 +}; +  #endif  #ifndef list_for_each_safe diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c new file mode 100644 index 00000000..2f140dbd --- /dev/null +++ b/linux-core/drm_crtc.c @@ -0,0 +1,1107 @@ +#include <linux/list.h> +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" + +int drm_mode_idr_get(struct drm_device *dev, void *ptr) +{ +	int new_id = 0; +	int ret; +again: +	if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { +		DRM_ERROR("Ran out memory getting a mode number\n"); +		return 0; +	} + +	spin_lock(&dev->mode_config.config_lock); + +	ret = idr_get_new_above(&dev->mode_config.crtc_idr, ptr, 1, &new_id); +	if (ret == -EAGAIN) { +		spin_unlock(&dev->mode_config.config_lock); +		goto again; +	}	 + +	spin_unlock(&dev->mode_config.config_lock); +	return new_id; +} + +void drm_mode_idr_put(struct drm_device *dev, int id) +{ +	idr_remove(&dev->mode_config.crtc_idr, id); +} + +struct drm_framebuffer *drm_framebuffer_create(drm_device_t *dev) +{ +	struct drm_framebuffer *fb; + +	spin_lock(&dev->mode_config.config_lock); +	/* Limit to single framebuffer for now */ +	if (dev->mode_config.num_fb > 1) { +		spin_unlock(&dev->mode_config.config_lock); +		DRM_ERROR("Attempt to add multiple framebuffers failed\n"); +		return NULL; +	} +	spin_unlock(&dev->mode_config.config_lock); + +	fb = kzalloc(sizeof(struct drm_framebuffer), GFP_KERNEL); +	if (!fb) { + +		return NULL; +	} +	 +	fb->id = drm_mode_idr_get(dev, fb); +	fb->dev = dev; +	spin_lock(&dev->mode_config.config_lock); +	dev->mode_config.num_fb++; +	list_add(&fb->head, &dev->mode_config.fb_list); +	spin_unlock(&dev->mode_config.config_lock); + +	return fb; +} +EXPORT_SYMBOL(drm_framebuffer_create); + +void drm_framebuffer_destroy(struct drm_framebuffer *fb) +{ +	drm_device_t *dev = fb->dev; + +	spin_lock(&dev->mode_config.config_lock); +	drm_mode_idr_put(dev, fb->id); +	list_del(&fb->head); +	dev->mode_config.num_fb--; +	spin_unlock(&dev->mode_config.config_lock); + +	kfree(fb); +} + +struct drm_crtc *drm_crtc_create(drm_device_t *dev, +				 const struct drm_crtc_funcs *funcs) +{ +	struct drm_crtc *crtc; + +	crtc = kzalloc(sizeof(struct drm_crtc), GFP_KERNEL); +	if (!crtc) +		return NULL; + +	crtc->dev = dev; +	crtc->funcs = funcs; + +	crtc->id = drm_mode_idr_get(dev, crtc); + +	spin_lock(&dev->mode_config.config_lock); +	list_add_tail(&crtc->head, &dev->mode_config.crtc_list); +	dev->mode_config.num_crtc++; +	spin_unlock(&dev->mode_config.config_lock); + +	return crtc; +} +EXPORT_SYMBOL(drm_crtc_create); + +void drm_crtc_destroy(struct drm_crtc *crtc) +{ +	drm_device_t *dev = crtc->dev; + +	if (crtc->funcs->cleanup) +		(*crtc->funcs->cleanup)(crtc); + + +	spin_lock(&dev->mode_config.config_lock); +	drm_mode_idr_put(dev, crtc->id); +	list_del(&crtc->head); +	dev->mode_config.num_crtc--; +	spin_unlock(&dev->mode_config.config_lock); +	kfree(crtc); +} +EXPORT_SYMBOL(drm_crtc_destroy); + +bool drm_crtc_in_use(struct drm_crtc *crtc) +{ +	struct drm_output *output; +	drm_device_t *dev = crtc->dev; +	/* FIXME: Locking around list access? */ +	list_for_each_entry(output, &dev->mode_config.output_list, head) +		if (output->crtc == crtc) +			return true; +	return false; +} +EXPORT_SYMBOL(drm_crtc_in_use); + +void drm_crtc_probe_output_modes(struct drm_device *dev, int maxX, int maxY) +{ +	struct drm_output *output; +	struct drm_display_mode *mode, *t; +	int ret; +	//if (maxX == 0 || maxY == 0)  +	// TODO + +	list_for_each_entry(output, &dev->mode_config.output_list, head) { +		 +		list_for_each_entry_safe(mode, t, &output->modes, head) +			drm_mode_remove(output, mode); +		 +		output->status = (*output->funcs->detect)(output); + +		if (output->status == output_status_disconnected) { +			/* TODO set EDID to NULL */ +			continue; +		} + +		ret = (*output->funcs->get_modes)(output); + +		if (ret) { +			/* move the modes over to the main mode list */ +			drm_mode_list_concat(&output->probed_modes, +					     &output->modes); +		} + +		if (maxX && maxY) +			drm_mode_validate_size(dev, &output->modes, maxX, +					       maxY, 0); +		list_for_each_entry_safe(mode, t, &output->modes, head) { +			if (mode->status == MODE_OK) +				mode->status = (*output->funcs->mode_valid)(output,mode); +		} +		 + +		drm_mode_prune_invalid(dev, &output->modes, TRUE); + +		if (list_empty(&output->modes)) +			continue; + +		drm_mode_sort(&output->modes); + +		DRM_DEBUG("Probed modes for %s\n", output->name); +		list_for_each_entry_safe(mode, t, &output->modes, head) { +			mode->vrefresh = drm_mode_vrefresh(mode); + +			drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); +			drm_mode_debug_printmodeline(dev, mode); +		} +	} +} + +bool drm_crtc_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, +		       int x, int y) +{ +	drm_device_t *dev = crtc->dev; +	struct drm_display_mode *adjusted_mode, saved_mode; +	int saved_x, saved_y; +	bool didLock = false; +	bool ret = false; +	struct drm_output *output; + +	adjusted_mode = drm_mode_duplicate(dev, mode); + +	crtc->enabled = drm_crtc_in_use(crtc); + +	if (!crtc->enabled) { +		return true; +	} + +	didLock = crtc->funcs->lock(crtc); + +	saved_mode = crtc->mode; +	saved_x = crtc->x; +	saved_y = crtc->y; +	 +	/* Update crtc values up front so the driver can rely on them for mode +	 * setting. +	 */ +	crtc->mode = *mode; +	crtc->x = x; +	crtc->y = y; + +	/* XXX short-circuit changes to base location only */ +	 +	/* Pass our mode to the outputs and the CRTC to give them a chance to +	 * adjust it according to limitations or output properties, and also +	 * a chance to reject the mode entirely. +	 */ +	list_for_each_entry(output, &dev->mode_config.output_list, head) { +		 +		if (output->crtc != crtc) +			continue; +		 +		if (!output->funcs->mode_fixup(output, mode, adjusted_mode)) { +			goto done; +		} +	} +	 +	if (!crtc->funcs->mode_fixup(crtc, mode, adjusted_mode)) { +		goto done; +	} + +	/* Prepare the outputs and CRTCs before setting the mode. */ +	list_for_each_entry(output, &dev->mode_config.output_list, head) { + +		if (output->crtc != crtc) +			continue; +		 +		/* Disable the output as the first thing we do. */ +		output->funcs->prepare(output); +	} +	 +	crtc->funcs->prepare(crtc); +	 +	/* Set up the DPLL and any output state that needs to adjust or depend +	 * on the DPLL. +	 */ +	crtc->funcs->mode_set(crtc, mode, adjusted_mode, x, y); +	list_for_each_entry(output, &dev->mode_config.output_list, head) { +		if (output->crtc == crtc) +			output->funcs->mode_set(output, mode, adjusted_mode); +	} +	 +	/* Now, enable the clocks, plane, pipe, and outputs that we set up. */ +	crtc->funcs->commit(crtc); +	list_for_each_entry(output, &dev->mode_config.output_list, head) { +		if (output->crtc == crtc) { +			output->funcs->commit(output); +#if 0 // TODO def RANDR_12_INTERFACE +			if (output->randr_output) +				RRPostPendingProperties (output->randr_output); +#endif +		} +	} +	 +	/* XXX free adjustedmode */ +	drm_crtc_mode_destroy(dev, adjusted_mode); +	ret = TRUE; +	/* TODO */ +//	if (scrn->pScreen) +//		drm_crtc_set_screen_sub_pixel_order(dev); + +done: +	if (!ret) { +		crtc->x = saved_x; +		crtc->y = saved_y; +		crtc->mode = saved_mode; +	} +	 +	if (didLock) +		crtc->funcs->unlock (crtc); +	 +	return ret; +} + +bool drm_set_desired_modes(struct drm_device *dev) +{ +	struct drm_crtc *crtc; +	struct drm_output *output, *list_output; + +	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { +		output = NULL; + +		list_for_each_entry(list_output, &dev->mode_config.output_list, head) { +			if (list_output->crtc == crtc) { +				output = list_output; +				break; +			} +		} +		/* Skip disabled crtcs */ +		if (!output) +			continue; + +		memset(&crtc->mode, 0, sizeof(crtc->mode)); +		if (!crtc->desired_mode->crtc_hdisplay) { +			 +		} +		if (!drm_crtc_set_mode(crtc, crtc->desired_mode, +				       crtc->desired_x, crtc->desired_y)) +			return false; +	} + +	drm_disable_unused_functions(dev); +	return true; +} +EXPORT_SYMBOL(drm_set_desired_modes); + +void drm_disable_unused_functions(struct drm_device *dev) +{ +	struct drm_output *output; +	struct drm_crtc *crtc; + +	list_for_each_entry(output, &dev->mode_config.output_list, head) { +		if (!output->crtc) +			(*output->funcs->dpms)(output, DPMSModeOff); +	} + +	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { +		if (!crtc->enabled) +			crtc->funcs->dpms(crtc, DPMSModeOff); +	} +} +	 +/** + * drm_mode_probed_add - add a mode to the specified output's probed mode list + * @output: output the new mode + * @mode: mode data + * + * Add @mode to @output's mode list for later use. + */ +void drm_mode_probed_add(struct drm_output *output, struct drm_display_mode *mode) +{ +	spin_lock(&output->modes_lock); +	list_add(&mode->head, &output->probed_modes); +	spin_unlock(&output->modes_lock); +} +EXPORT_SYMBOL(drm_mode_probed_add); + +/** + * drm_mode_remove - remove and free a mode + * @output: output list to modify + * @mode: mode to remove + * + * Remove @mode from @output's mode list, then free it. + */ +void drm_mode_remove(struct drm_output *output, struct drm_display_mode *mode) +{ +	spin_lock(&output->modes_lock); +	list_del(&mode->head); +	spin_unlock(&output->modes_lock); +	kfree(mode); +} +EXPORT_SYMBOL(drm_mode_remove); + +/* + * Probably belongs in the DRM device structure + */ +struct drm_output *drm_output_create(drm_device_t *dev, +				     const struct drm_output_funcs *funcs, +				     const char *name) +{ +	struct drm_output *output = NULL; + +	output = kzalloc(sizeof(struct drm_output), GFP_KERNEL); +	if (!output) +		return NULL; +		 +	output->dev = dev; +	output->funcs = funcs; +	output->id = drm_mode_idr_get(dev, output); +	if (name) +		strncpy(output->name, name, DRM_OUTPUT_LEN); +	output->name[DRM_OUTPUT_LEN - 1] = 0; +	output->subpixel_order = SubPixelUnknown; +	INIT_LIST_HEAD(&output->probed_modes); +	INIT_LIST_HEAD(&output->modes); +	spin_lock_init(&output->modes_lock); +	/* randr_output? */ +	/* output_set_monitor(output)? */ +	/* check for output_ignored(output)? */ + +	spin_lock(&dev->mode_config.config_lock); +	list_add_tail(&output->head, &dev->mode_config.output_list); +	dev->mode_config.num_output++; + +	spin_unlock(&dev->mode_config.config_lock); + +	return output; + +} +EXPORT_SYMBOL(drm_output_create); + +void drm_output_destroy(struct drm_output *output) +{ +	struct drm_device *dev = output->dev; +	struct drm_display_mode *mode, *t; + +	if (*output->funcs->cleanup) +		(*output->funcs->cleanup)(output); + +	list_for_each_entry_safe(mode, t, &output->probed_modes, head) +		drm_mode_remove(output, mode); + +	list_for_each_entry_safe(mode, t, &output->modes, head) +		drm_mode_remove(output, mode); + +	spin_lock(&dev->mode_config.config_lock); +	drm_mode_idr_put(dev, output->id); +	list_del(&output->head); +	spin_unlock(&dev->mode_config.config_lock); +	kfree(output); +} +EXPORT_SYMBOL(drm_output_destroy); + +bool drm_output_rename(struct drm_output *output, const char *name) +{ +	if (!name) +		return false; + +	strncpy(output->name, name, DRM_OUTPUT_LEN); +	output->name[DRM_OUTPUT_LEN - 1] = 0; +//	drm_output_set_monitor(output); +//	if (drm_output_ignored(output)) +//		return FALSE; +	return TRUE; +} +EXPORT_SYMBOL(drm_output_rename); + +struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev) +{ +	struct drm_display_mode *nmode; + +	nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); +	if (!nmode) +		return NULL; + +	nmode->mode_id = drm_mode_idr_get(dev, nmode); +	return nmode; +} + +void drm_crtc_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) +{ +	drm_mode_idr_put(dev, mode->mode_id); + +	kfree(mode); +} + +void drm_mode_config_init(drm_device_t *dev) +{ +	spin_lock_init(&dev->mode_config.config_lock); +	INIT_LIST_HEAD(&dev->mode_config.fb_list); +	INIT_LIST_HEAD(&dev->mode_config.crtc_list); +	INIT_LIST_HEAD(&dev->mode_config.output_list); +	idr_init(&dev->mode_config.crtc_idr); +} +EXPORT_SYMBOL(drm_mode_config_init); + +static int drm_get_buffer_object(drm_device_t *dev, struct drm_buffer_object **bo, unsigned long handle) +{ +	drm_user_object_t *uo; +	drm_hash_item_t *hash; +	int ret; + +	*bo = NULL; + +	mutex_lock(&dev->struct_mutex); +	ret = drm_ht_find_item(&dev->object_hash, handle, &hash); +	if (ret) { +		DRM_ERROR("Couldn't find handle.\n"); +		ret = -EINVAL; +		goto out_err; +	} + +	uo = drm_hash_entry(hash, drm_user_object_t, hash); +	if (uo->type != drm_buffer_type) { +		ret = -EINVAL; +		goto out_err; +	} +	 +	*bo = drm_user_object_entry(uo, drm_buffer_object_t, base); +	ret = 0; +out_err: +	mutex_unlock(&dev->struct_mutex); +	return ret; +} + +/** + * drm_initial_config - setup a sane initial output configuration + * @dev: DRM device + * @fb: framebuffer backing for new setup + * @can_grow: this configuration is growable + * + * Scan the CRTCs and outputs and try to put together an initial setup. + * At the moment, this is a cloned configuration across all heads with + * @fb as the backing store. + */ +bool drm_initial_config(drm_device_t *dev, struct drm_framebuffer *fb, +			bool can_grow) +{ +	/* do a hardcoded initial configuration here */ +	struct drm_crtc *crtc, *vga_crtc = NULL, *dvi_crtc = NULL, +		*lvds_crtc = NULL; +	struct drm_output *output, *use_output = NULL; + +	/* bind both CRTCs to this fb */ +	/* only initialise one crtc to enabled state */ +	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { +		crtc->fb = fb; +		if (!vga_crtc) { +			vga_crtc = crtc; +			crtc->enabled = 1; +			crtc->desired_x = 0; +			crtc->desired_y = 0; +		} else if (!lvds_crtc) { +			lvds_crtc = crtc; +			crtc->enabled = 1; +			crtc->desired_x = 0; +			crtc->desired_y = 0; +		} else if (!dvi_crtc) { +			dvi_crtc = crtc; +			crtc->enabled = 1; +			crtc->desired_x = 0; +			crtc->desired_y = 0; +		} +	} + +	drm_crtc_probe_output_modes(dev, 2048, 2048); + +	/* hard bind the CRTCS */ + +	/* bind analog output to one crtc */ +	list_for_each_entry(output, &dev->mode_config.output_list, head) { +		struct drm_display_mode *des_mode; + +		if (list_empty(&output->modes)) +			continue; + +		/* Get the first preferred moded */ +		list_for_each_entry(des_mode, &output->modes, head) { +			if (des_mode->flags & DRM_MODE_TYPE_PREFERRED) +				break; +		} +		if (!strncmp(output->name, "VGA", 3)) { +			output->crtc = vga_crtc; +			DRM_DEBUG("VGA preferred mode: %s\n", des_mode->name); +			output->crtc->desired_mode = des_mode; +			output->initial_x = 0; +			output->initial_y = 0; +			use_output = output; +		} else if (!strncmp(output->name, "TMDS", 4)) { +			output->crtc = vga_crtc; +			DRM_DEBUG("TMDS preferred mode: %s\n", des_mode->name); +			output->crtc->desired_mode = des_mode; +			output->initial_x = 0; +			output->initial_y = 0; +		} else 	if (!strncmp(output->name, "LVDS", 3)) { +			output->crtc = lvds_crtc; +			DRM_DEBUG("LVDS preferred mode: %s\n", des_mode->name); +			output->crtc->desired_mode = des_mode; +			output->initial_x = 0; +			output->initial_y = 0; +		} else +			output->crtc = NULL; +	        +	} + +	return false; +} +EXPORT_SYMBOL(drm_initial_config); + +void drm_mode_config_cleanup(drm_device_t *dev) +{ +	struct drm_output *output, *ot; +	struct drm_crtc *crtc, *ct; +	struct drm_crtc *fb, *fbt; +	list_for_each_entry_safe(output, ot, &dev->mode_config.output_list, head) { +		drm_output_destroy(output); +	} + +	list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { +		drm_crtc_destroy(crtc); +	} + +	list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { +		drmfb_remove(dev, fb); +		drm_framebuffer_destroy(fb); +	} +} +EXPORT_SYMBOL(drm_mode_config_cleanup); + +int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info, struct drm_display_mode *new_mode, struct drm_output **output_set, struct drm_framebuffer *fb) +{ +	drm_device_t *dev = crtc->dev; +	struct drm_crtc **save_crtcs, *new_crtc; +	bool save_enabled = crtc->enabled; +	bool changed; +	struct drm_output *output; +	int count = 0, ro; + +	save_crtcs = kzalloc(dev->mode_config.num_crtc * sizeof(struct drm_crtc *), GFP_KERNEL); +	if (!save_crtcs) +		return -ENOMEM; + +	if (crtc->fb != fb) +		changed = true; + +	if (crtc_info->x != crtc->x || crtc_info->y != crtc->y) +		changed = true; + +	if (new_mode && (crtc->mode.mode_id != new_mode->mode_id)) +		changed = true; + +	list_for_each_entry(output, &dev->mode_config.output_list, head) { +		save_crtcs[count++] = output->crtc; + +		if (output->crtc == crtc) +			new_crtc = NULL; +		else +			new_crtc = output->crtc; + +		for (ro = 0; ro < crtc_info->count_outputs; ro++) { +			if (output_set[ro] == output) +				new_crtc = crtc; +		} +		if (new_crtc != output->crtc) { +			changed = true; +			output->crtc = new_crtc; +		} +	} + +	if (changed) { +		crtc->fb = fb; +		crtc->enabled = (new_mode != NULL); +		if (new_mode != NULL) { +			DRM_DEBUG("attempting to set mode from userspace\n"); +			drm_mode_debug_printmodeline(dev, new_mode); +			if (!drm_crtc_set_mode(crtc, new_mode, crtc_info->x, +					       crtc_info->y)) { +				crtc->enabled = save_enabled; +				count = 0; +				list_for_each_entry(output, &dev->mode_config.output_list, head) +					output->crtc = save_crtcs[count++]; +				kfree(save_crtcs); +				return -EINVAL; +			} +			crtc->desired_x = crtc_info->x; +			crtc->desired_y = crtc_info->y; +			crtc->desired_mode = new_mode; +		} +		drm_disable_unused_functions(dev); +	} +	kfree(save_crtcs); +	return 0; +} + +void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, struct drm_display_mode *in) +{ + +	out->id = in->mode_id; +	out->clock = in->clock; +	out->hdisplay = in->hdisplay; +	out->hsync_start = in->hsync_start; +	out->hsync_end = in->hsync_end; +	out->htotal = in->htotal; +	out->hskew = in->hskew; +	out->vdisplay = in->vdisplay; +	out->vsync_start = in->vsync_start; +	out->vsync_end = in->vsync_end; +	out->vtotal = in->vtotal; +	out->vscan = in->vscan; +	 +	out->flags = in->flags; +	strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); +	out->name[DRM_DISPLAY_MODE_LEN-1] = 0; +} + +	 +/* IOCTL code from userspace */ +int drm_mode_getresources(struct inode *inode, struct file *filp, +			  unsigned int cmd, unsigned long arg) +{ +	drm_file_t *priv = filp->private_data; +	drm_device_t *dev = priv->head->dev; +	struct drm_mode_card_res __user *argp = (void __user *)arg; +	struct drm_mode_card_res card_res; +	struct list_head *lh; +	struct drm_framebuffer *fb; +	struct drm_output *output; +	struct drm_crtc *crtc; +	struct drm_mode_modeinfo u_mode; +	struct drm_display_mode *mode; +	int retcode = 0; +	int mode_count= 0; +	int output_count = 0; +	int crtc_count = 0; +	int fb_count = 0; +	int copied = 0; +	 +	memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); + +	list_for_each(lh, &dev->mode_config.fb_list) +		fb_count++; + +	list_for_each(lh, &dev->mode_config.crtc_list) +		crtc_count++; + +	list_for_each_entry(output, &dev->mode_config.output_list, +			    head) { +		output_count++; +		list_for_each(lh, &output->modes) +			mode_count++; +	} + +	if (copy_from_user(&card_res, argp, sizeof(card_res))) +		return -EFAULT; + +	if (card_res.count_modes == 0) { +		DRM_DEBUG("probing modes %dx%d\n", dev->mode_config.max_width, dev->mode_config.max_height); +		drm_crtc_probe_output_modes(dev, dev->mode_config.max_width, dev->mode_config.max_height); +		mode_count = 0; +		list_for_each_entry(output, &dev->mode_config.output_list, head) { +			list_for_each(lh, &output->modes) +				mode_count++; +		} +	} + +	/* handle this in 4 parts */ +	/* FBs */ +	if (card_res.count_fbs >= fb_count) { +		copied = 0; +		list_for_each_entry(fb, &dev->mode_config.fb_list, head) { +			if (put_user(fb->id, &card_res.fb_id[copied++])) { +				retcode = -EFAULT; +				goto done; +			} +		} +	} +	card_res.count_fbs = fb_count; + +	/* CRTCs */ +	if (card_res.count_crtcs >= crtc_count) { +		copied = 0; +		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head){ +			DRM_DEBUG("CRTC ID is %d\n", crtc->id); +			if (put_user(crtc->id, &card_res.crtc_id[copied++])) { +				retcode = -EFAULT; +				goto done; +			} +		} +	} +	card_res.count_crtcs = crtc_count; + + +	/* Outputs */ +	if (card_res.count_outputs >= output_count) { +		copied = 0; +		list_for_each_entry(output, &dev->mode_config.output_list, +				    head) { + 			DRM_DEBUG("OUTPUT ID is %d\n", output->id); +			if (put_user(output->id, &card_res.output_id[copied++])) { +				retcode = -EFAULT; +				goto done; +			} +		} +	} +	card_res.count_outputs = output_count; +	 +	/* Modes */ +	if (card_res.count_modes >= mode_count) { +		copied = 0; +		list_for_each_entry(output, &dev->mode_config.output_list, +				    head) { +			list_for_each_entry(mode, &output->modes, head) { +				drm_crtc_convert_to_umode(&u_mode, mode); +				if (copy_to_user(&card_res.modes[copied++], &u_mode, sizeof(struct drm_mode_modeinfo))) { +					retcode = -EFAULT; +					goto done; +				} +			} +		} +	} +	card_res.count_modes = mode_count; + +done: +	DRM_DEBUG("Counted %d %d %d\n", card_res.count_crtcs, +		  card_res.count_outputs, +		  card_res.count_modes); +	 +	if (copy_to_user(argp, &card_res, sizeof(card_res))) +		return -EFAULT; + +	return retcode; +} + +int drm_mode_getcrtc(struct inode *inode, struct file *filp, +		     unsigned int cmd, unsigned long arg) +{ +	drm_file_t *priv = filp->private_data; +	drm_device_t *dev = priv->head->dev; +	struct drm_mode_crtc __user *argp = (void __user *)arg; +	struct drm_mode_crtc crtc_resp; +	struct drm_crtc *crtc; +	struct drm_output *output; +	int ocount; +	int retcode = 0; + +	if (copy_from_user(&crtc_resp, argp, sizeof(crtc_resp))) +		return -EFAULT; + +	crtc = idr_find(&dev->mode_config.crtc_idr, crtc_resp.crtc_id); +	if (!crtc || (crtc->id != crtc_resp.crtc_id)) +		return -EINVAL; +	crtc_resp.x = crtc->x; +	crtc_resp.y = crtc->y; +	crtc_resp.fb_id = 1; + +	crtc_resp.outputs = 0; +	if (crtc->enabled) { + +		crtc_resp.mode = crtc->mode.mode_id; +		ocount = 0; +		list_for_each_entry(output, &dev->mode_config.output_list, head) { +			if (output->crtc == crtc) +				crtc_resp.outputs |= 1 << (ocount++); +		} +	} else { +		crtc_resp.mode = 0; +	} + +	if (copy_to_user(argp, &crtc_resp, sizeof(crtc_resp))) +		return -EFAULT; + +	return retcode; +} + +int drm_mode_getoutput(struct inode *inode, struct file *filp, +		       unsigned int cmd, unsigned long arg) +{ +	drm_file_t *priv = filp->private_data; +	drm_device_t *dev = priv->head->dev; +	struct drm_mode_get_output __user *argp = (void __user *)arg; +	struct drm_mode_get_output out_resp; +	struct drm_output *output; +	struct drm_display_mode *mode; +	int mode_count = 0; +	int retcode = 0; +	int copied = 0; + +	if (copy_from_user(&out_resp, argp, sizeof(out_resp))) +		return -EFAULT;	 + +	DRM_DEBUG("output id %d:\n", out_resp.output); +	output= idr_find(&dev->mode_config.crtc_idr, out_resp.output); +	if (!output || (output->id != out_resp.output)) +		return -EINVAL; + +	list_for_each_entry(mode, &output->modes, head) +		mode_count++; + +	strncpy(out_resp.name, output->name, DRM_OUTPUT_NAME_LEN); +	out_resp.name[DRM_OUTPUT_NAME_LEN-1] = 0; + +	out_resp.mm_width = output->mm_width; +	out_resp.mm_height = output->mm_height; +	out_resp.subpixel = output->subpixel_order; +	out_resp.connection = output->status; +	if (output->crtc) +		out_resp.crtc = output->crtc->id; +	else +		out_resp.crtc = 0; + +	if ((out_resp.count_modes >= mode_count) && mode_count) { +		copied = 0; +		list_for_each_entry(mode, &output->modes, head) { +			if (put_user(mode->mode_id, &out_resp.modes[copied++])) { +				retcode = -EFAULT; +				goto done; +			} +		} +	} +	out_resp.count_modes = mode_count; + +done: +	if (copy_to_user(argp, &out_resp, sizeof(out_resp))) +		return -EFAULT; + +	return retcode; +} + + +int drm_mode_setcrtc(struct inode *inode, struct file *filp, +		     unsigned int cmd, unsigned long arg) +{ +	drm_file_t *priv = filp->private_data; +	drm_device_t *dev = priv->head->dev; +	struct drm_mode_crtc __user *argp = (void __user *)arg; +	struct drm_mode_crtc crtc_req; +	struct drm_crtc *crtc; +	struct drm_output **output_set = NULL, *output; +	struct drm_display_mode *mode; +	struct drm_framebuffer *fb = NULL; +	int retcode = 0; +	int i; + +	if (copy_from_user(&crtc_req, argp, sizeof(crtc_req))) +		return -EFAULT; + +	crtc = idr_find(&dev->mode_config.crtc_idr, crtc_req.crtc_id); +	if (!crtc || (crtc->id != crtc_req.crtc_id)) { +		DRM_DEBUG("Unknown CRTC ID %d\n", crtc_req.crtc_id); +		return -EINVAL; +	} + +	if (crtc_req.mode) { + +		/* if we have a mode we need a framebuffer */ +		if (crtc_req.fb_id) { +			fb = idr_find(&dev->mode_config.crtc_idr, crtc_req.fb_id); +			if (!fb || (fb->id != crtc_req.fb_id)) { +				DRM_DEBUG("Unknown FB ID%d\n", crtc_req.fb_id); +				return -EINVAL; +			} +		} +		mode = idr_find(&dev->mode_config.crtc_idr, crtc_req.mode); +		if (!mode || (mode->mode_id != crtc_req.mode)) { +			struct drm_output *output; +			 +			list_for_each_entry(output, &dev->mode_config.output_list, head) { +				list_for_each_entry(mode, &output->modes, head) { +					drm_mode_debug_printmodeline(dev, mode); +				} +			} + +			DRM_DEBUG("Unknown mode id %d, %p\n", crtc_req.mode, mode); +			return -EINVAL; +		} +	} else +		mode = NULL; + +	if (crtc_req.count_outputs == 0 && mode) { +		DRM_DEBUG("Count outputs is 0 but mode set\n"); +		return -EINVAL; +	} + +	if (crtc_req.count_outputs > 0 && !mode && !fb) { +		DRM_DEBUG("Count outputs is %d but no mode or fb set\n", crtc_req.count_outputs); +		return -EINVAL; +	} + +	if (crtc_req.count_outputs > 0) { +		u32 out_id; +		output_set = kmalloc(crtc_req.count_outputs * sizeof(struct drm_output *), GFP_KERNEL); +		if (!output_set) +			return -ENOMEM; + +		for (i = 0; i < crtc_req.count_outputs; i++) { +			if (get_user(out_id, &crtc_req.set_outputs[i])) +				return -EFAULT; + +			output = idr_find(&dev->mode_config.crtc_idr, out_id); +			if (!output || (out_id != output->id)) { +				DRM_DEBUG("Output id %d unknown\n", out_id); +				return -EINVAL; +			} + +			output_set[i] = output; +		} +	} +		 +	retcode = drm_crtc_set_config(crtc, &crtc_req, mode, output_set, fb); +	return retcode; +} + +/* Add framebuffer ioctl */ +int drm_mode_addfb(struct inode *inode, struct file *filp, +		   unsigned int cmd, unsigned long arg) +{ +	struct drm_file *priv = filp->private_data; +	struct drm_device *dev = priv->head->dev; +	struct drm_mode_fb_cmd __user *argp = (void __user *)arg; +	struct drm_mode_fb_cmd r; +	struct drm_mode_config *config = &dev->mode_config; +	struct drm_framebuffer *fb; +	struct drm_buffer_object *bo; +	int ret; + +	if (copy_from_user(&r, argp, sizeof(r))) +		return -EFAULT; + +	if ((config->min_width > r.width) || (r.width > config->max_width)) { +		DRM_ERROR("mode new framebuffer width not within limits\n"); +		return -EINVAL; +	} +	if ((config->min_height > r.height) || (r.height > config->max_height)) { +		DRM_ERROR("mode new framebuffer height not within limits\n"); +		return -EINVAL; +	} + +	/* TODO check limits are okay */ +	ret = drm_get_buffer_object(dev, &bo, r.handle); +	if (ret || !bo) +		return -EINVAL; + +	/* TODO check buffer is sufficently large */ +	/* TODO setup destructor callback */ + +	fb = drm_framebuffer_create(dev); +	if(!fb) +		return -EINVAL;; + +	fb->width = r.width; +	fb->height = r.height; +	fb->pitch = r.pitch; +	fb->bits_per_pixel = r.bpp; +	fb->depth = r.depth; +	fb->offset = bo->offset; +	fb->bo = bo; + +	r.buffer_id = fb->id; + +	/* bind the fb to the crtc for now */ +	{ +		struct drm_crtc *crtc; +		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { +			crtc->fb = fb; +		} +	} +	if (copy_to_user(argp, &r, sizeof(r))) +		return -EFAULT; + +	drmfb_probe(dev, fb); +	return 0; +} + +int drm_mode_rmfb(struct inode *inode, struct file *filp, +		  unsigned int cmd, unsigned long arg) +{ +	drm_file_t *priv = filp->private_data; +	drm_device_t *dev = priv->head->dev; +	struct drm_framebuffer *fb = 0; +	uint32_t id = arg; + +	fb = idr_find(&dev->mode_config.crtc_idr, id); +	/* TODO check that we realy get a framebuffer back. */ +	if (!fb || (id != fb->id)) { +		DRM_ERROR("mode invalid framebuffer id\n"); +		return -EINVAL; +	} + +	drmfb_remove(dev, fb); +	/* TODO check if we own the buffer */ +	/* TODO release all crtc connected to the framebuffer */ +	/* bind the fb to the crtc for now */ +	{ +		struct drm_crtc *crtc; +		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { +			if (crtc->fb == fb) +				crtc->fb = NULL; +		} +	} +	/* TODO unhock the destructor from the buffer object */ + +	drm_framebuffer_destroy(fb); + +	return 0; +} + +int drm_mode_getfb(struct inode *inode, struct file *filp, +		   unsigned int cmd, unsigned long arg) +{ +	drm_file_t *priv = filp->private_data; +	drm_device_t *dev = priv->head->dev;	 +	struct drm_mode_fb_cmd __user *argp = (void __user *)arg; +	struct drm_mode_fb_cmd r; +	struct drm_framebuffer *fb; + +	if (copy_from_user(&r, argp, sizeof(r))) +		return -EFAULT; + +	fb = idr_find(&dev->mode_config.crtc_idr, r.buffer_id); +	if (!fb || (r.buffer_id != fb->id)) { +		DRM_ERROR("invalid framebuffer id\n"); +		return -EINVAL; +	} + +	r.height = fb->height; +	r.width = fb->width; +	r.depth = fb->depth; +	r.bpp = fb->bits_per_pixel; +	r.handle = fb->bo->base.hash.key; +	r.pitch = fb->pitch; + +	if (copy_to_user(argp, &r, sizeof(r))) +		return -EFAULT; + +	return 0; +} diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h new file mode 100644 index 00000000..c02dcedc --- /dev/null +++ b/linux-core/drm_crtc.h @@ -0,0 +1,480 @@ +/* + * Copyright © 2006 Keith Packard + * Copyright © 2007 Intel Corporation + *   Jesse Barnes <jesse.barnes@intel.com> + */ +#ifndef __DRM_CRTC_H__ +#define __DRM_CRTC_H__ + +#include <linux/i2c.h> +#include <linux/spinlock.h> +#include <linux/types.h> +#include <linux/idr.h> + +#include <linux/fb.h> + +struct drm_device; + +/* + * Note on terminology:  here, for brevity and convenience, we refer to output + * control chips as 'CRTCs'.  They can control any type of output, VGA, LVDS, + * DVI, etc.  And 'screen' refers to the whole of the visible display, which + * may span multiple monitors (and therefore multiple CRTC and output + * structures). + */ + +enum drm_mode_status { +    MODE_OK	= 0,	/* Mode OK */ +    MODE_HSYNC,		/* hsync out of range */ +    MODE_VSYNC,		/* vsync out of range */ +    MODE_H_ILLEGAL,	/* mode has illegal horizontal timings */ +    MODE_V_ILLEGAL,	/* mode has illegal horizontal timings */ +    MODE_BAD_WIDTH,	/* requires an unsupported linepitch */ +    MODE_NOMODE,	/* no mode with a maching name */ +    MODE_NO_INTERLACE,	/* interlaced mode not supported */ +    MODE_NO_DBLESCAN,	/* doublescan mode not supported */ +    MODE_NO_VSCAN,	/* multiscan mode not supported */ +    MODE_MEM,		/* insufficient video memory */ +    MODE_VIRTUAL_X,	/* mode width too large for specified virtual size */ +    MODE_VIRTUAL_Y,	/* mode height too large for specified virtual size */ +    MODE_MEM_VIRT,	/* insufficient video memory given virtual size */ +    MODE_NOCLOCK,	/* no fixed clock available */ +    MODE_CLOCK_HIGH,	/* clock required is too high */ +    MODE_CLOCK_LOW,	/* clock required is too low */ +    MODE_CLOCK_RANGE,	/* clock/mode isn't in a ClockRange */ +    MODE_BAD_HVALUE,	/* horizontal timing was out of range */ +    MODE_BAD_VVALUE,	/* vertical timing was out of range */ +    MODE_BAD_VSCAN,	/* VScan value out of range */ +    MODE_HSYNC_NARROW,	/* horizontal sync too narrow */ +    MODE_HSYNC_WIDE,	/* horizontal sync too wide */ +    MODE_HBLANK_NARROW,	/* horizontal blanking too narrow */ +    MODE_HBLANK_WIDE,	/* horizontal blanking too wide */ +    MODE_VSYNC_NARROW,	/* vertical sync too narrow */ +    MODE_VSYNC_WIDE,	/* vertical sync too wide */ +    MODE_VBLANK_NARROW,	/* vertical blanking too narrow */ +    MODE_VBLANK_WIDE,	/* vertical blanking too wide */ +    MODE_PANEL,         /* exceeds panel dimensions */ +    MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */ +    MODE_ONE_WIDTH,     /* only one width is supported */ +    MODE_ONE_HEIGHT,    /* only one height is supported */ +    MODE_ONE_SIZE,      /* only one resolution is supported */ +    MODE_NO_REDUCED,    /* monitor doesn't accept reduced blanking */ +    MODE_BAD = -2,	/* unspecified reason */ +    MODE_ERROR	= -1	/* error condition */ +}; + +#define DRM_MODE_TYPE_BUILTIN	(1<<0) +#define DRM_MODE_TYPE_CLOCK_C	((1<<1) | DRM_MODE_TYPE_BUILTIN) +#define DRM_MODE_TYPE_CRTC_C	((1<<2) | DRM_MODE_TYPE_BUILTIN) +#define DRM_MODE_TYPE_PREFERRED	(1<<3) +#define DRM_MODE_TYPE_DEFAULT	(1<<4) +#define DRM_MODE_TYPE_USERDEF	(1<<5) +#define DRM_MODE_TYPE_DRIVER	(1<<6) + +#define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \ +				    DRM_MODE_TYPE_CRTC_C) + +#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \ +	.name = nm, .status = 0, .type = (t), .clock = (c), \ +	.hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \ +	.htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \ +	.vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \ +	.vscan = (vs), .flags = (f), .vrefresh = 0 + +struct drm_display_mode { +	/* Header */ +	struct list_head head; +	char name[DRM_DISPLAY_MODE_LEN]; +	int mode_id; +	enum drm_mode_status status; +	int type; + +	/* Proposed mode values */ +	int clock; +	int hdisplay; +	int hsync_start; +	int hsync_end; +	int htotal; +	int hskew; +	int vdisplay; +	int vsync_start; +	int vsync_end; +	int vtotal; +	int vscan; +	unsigned int flags; + +	/* Actual mode we give to hw */ +	int clock_index; +	int synth_clock; +	int crtc_hdisplay; +	int crtc_hblank_start; +	int crtc_hblank_end; +	int crtc_hsync_start; +	int crtc_hsync_end; +	int crtc_htotal; +	int crtc_hskew; +	int crtc_vdisplay; +	int crtc_vblank_start; +	int crtc_vblank_end; +	int crtc_vsync_start; +	int crtc_vsync_end; +	int crtc_vtotal; +	int crtc_hadjusted; +	int crtc_vadjusted; + +	/* Driver private mode info */ +	int private_size; +	int *private; +	int private_flags; + +	int vrefresh; +	float hsync; +}; + +/* Video mode flags */ +#define V_PHSYNC	(1<<0) +#define V_NHSYNC	(1<<1) +#define V_PVSYNC	(1<<2) +#define V_NVSYNC	(1<<3) +#define V_INTERLACE	(1<<4) +#define V_DBLSCAN	(1<<5) +#define V_CSYNC		(1<<6) +#define V_PCSYNC	(1<<7) +#define V_NCSYNC	(1<<8) +#define V_HSKEW		(1<<9) /* hskew provided */ +#define V_BCAST		(1<<10) +#define V_PIXMUX	(1<<11) +#define V_DBLCLK	(1<<12) +#define V_CLKDIV2	(1<<13) + +#define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */ +#define DPMSModeOn 0 +#define DPMSModeStandby 1 +#define DPMSModeSuspend 2 +#define DPMSModeOff 3 + +enum drm_output_status { +	output_status_connected, +	output_status_disconnected, +	output_status_unknown, +}; + +enum subpixel_order { +	SubPixelUnknown = 0, +	SubPixelHorizontalRGB, +	SubPixelHorizontalBGR, +	SubPixelVerticalRGB, +	SubPixelVerticalBGR, +	SubPixelNone, +}; + +struct drm_framebuffer { +	struct drm_device *dev; +	struct list_head head; +	int id; /* idr assigned */ +	unsigned int pitch; +	unsigned long offset; +	unsigned int width; +	unsigned int height; +	/* depth can be 15 or 16 */ +	unsigned int depth; +	int bits_per_pixel; +	int flags; +	struct drm_buffer_object *bo; +	void *fbdev; +	u32 pseudo_palette[17]; +	void *virtual_base; +}; +struct drm_crtc; +struct drm_output; + +/** + * drm_crtc_funcs - control CRTCs for a given device + * @dpms: control display power levels + * @save: save CRTC state + * @resore: restore CRTC state + * @lock: lock the CRTC + * @unlock: unlock the CRTC + * @shadow_allocate: allocate shadow pixmap + * @shadow_create: create shadow pixmap for rotation support + * @shadow_destroy: free shadow pixmap + * @mode_fixup: fixup proposed mode + * @mode_set: set the desired mode on the CRTC + * @gamma_set: specify color ramp for CRTC + * @cleanup: cleanup driver private state prior to close + * + * The drm_crtc_funcs structure is the central CRTC management structure + * in the DRM.  Each CRTC controls one or more outputs (note that the name + * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. + * outputs, not just CRTs). + * + * Each driver is responsible for filling out this structure at startup time, + * in addition to providing other modesetting features, like i2c and DDC + * bus accessors. + */ +struct drm_crtc_funcs { +	/* +	 * Control power levels on the CRTC.  If the mode passed in is +	 * unsupported, the provider must use the next lowest power level. +	 */ +	void (*dpms)(struct drm_crtc *crtc, int mode); + +	/* JJJ:  Are these needed? */ +	/* Save CRTC state */ +	void (*save)(struct drm_crtc *crtc); /* suspend? */ +	/* Restore CRTC state */ +	void (*restore)(struct drm_crtc *crtc); /* resume? */ +	bool (*lock)(struct drm_crtc *crtc); +	void (*unlock)(struct drm_crtc *crtc); + +	void (*prepare)(struct drm_crtc *crtc); +	void (*commit)(struct drm_crtc *crtc); + +	/* Provider can fixup or change mode timings before modeset occurs */ +	bool (*mode_fixup)(struct drm_crtc *crtc, +			   struct drm_display_mode *mode, +			   struct drm_display_mode *adjusted_mode); +	/* Actually set the mode */ +	void (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode, +			 struct drm_display_mode *adjusted_mode, int x, int y); +	/* Set gamma on the CRTC */ +	void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, +			  int size); +	/* Driver cleanup routine */ +	void (*cleanup)(struct drm_crtc *crtc); +}; + +/** + * drm_crtc - central CRTC control structure + * @enabled: is this CRTC enabled? + * @x: x position on screen + * @y: y position on screen + * @desired_mode: new desired mode + * @desired_x: desired x for desired_mode + * @desired_y: desired y for desired_mode + * @funcs: CRTC control functions + * @driver_private: arbitrary driver data + * + * Each CRTC may have one or more outputs associated with it.  This structure + * allows the CRTC to be controlled. + */ +struct drm_crtc { +	struct drm_device *dev; +	struct list_head head; + +	int id; /* idr assigned */ + +	/* framebuffer the CRTC is currently bound to */ +	struct drm_framebuffer *fb; + +	bool enabled; + +	/* JJJ: are these needed? */ +	bool cursor_in_range; +	bool cursor_shown; + +	struct drm_display_mode mode; + +	int x, y; +	struct drm_display_mode *desired_mode; +	int desired_x, desired_y; +	const struct drm_crtc_funcs *funcs; +	void *driver_private; + +	/* RRCrtcPtr randr_crtc? */ +}; + +extern struct drm_crtc *drm_crtc_create(struct drm_device *dev, +					const struct drm_crtc_funcs *funcs); + +/** + * drm_output_funcs - control outputs on a given device + * @init: setup this output + * @dpms: set power state (see drm_crtc_funcs above) + * @save: save output state + * @restore: restore output state + * @mode_valid: is this mode valid on the given output? + * @mode_fixup: try to fixup proposed mode for this output + * @mode_set: set this mode + * @detect: is this output active? + * @get_modes: get mode list for this output + * @set_property: property for this output may need update + * @cleanup: output is going away, cleanup + * + * Each CRTC may have one or more outputs attached to it.  The functions + * below allow the core DRM code to control outputs, enumerate available modes, + * etc. + */ +struct drm_output_funcs { +	void (*init)(struct drm_output *output); +	void (*dpms)(struct drm_output *output, int mode); +	void (*save)(struct drm_output *output); +	void (*restore)(struct drm_output *output); +	int (*mode_valid)(struct drm_output *output, +			  struct drm_display_mode *mode); +	bool (*mode_fixup)(struct drm_output *output, +			   struct drm_display_mode *mode, +			   struct drm_display_mode *adjusted_mode); +	void (*prepare)(struct drm_output *output); +	void (*commit)(struct drm_output *output); +	void (*mode_set)(struct drm_output *output, +			 struct drm_display_mode *mode, +			 struct drm_display_mode *adjusted_mode); +	enum drm_output_status (*detect)(struct drm_output *output); +	int (*get_modes)(struct drm_output *output); +	/* JJJ: type checking for properties via property value type */ +	bool (*set_property)(struct drm_output *output, int prop, void *val); +	void (*cleanup)(struct drm_output *output); +}; + +#define DRM_OUTPUT_LEN 32 +/** + * drm_output - central DRM output control structure + * @crtc: CRTC this output is currently connected to, NULL if none + * @possible_crtcs: bitmap of CRTCS this output could be attached to + * @possible_clones: bitmap of possible outputs this output could clone + * @interlace_allowed: can this output handle interlaced modes? + * @doublescan_allowed: can this output handle doublescan? + * @available_modes: modes available on this output (from get_modes() + user) + * @initial_x: initial x position for this output + * @initial_y: initial y position for this output + * @status: output connected? + * @subpixel_order: for this output + * @mm_width: displayable width of output in mm + * @mm_height: displayable height of output in mm + * @name: name of output (should be one of a few standard names) + * @funcs: output control functions + * @driver_private: private driver data + * + * Each output may be connected to one or more CRTCs, or may be clonable by + * another output if they can share a CRTC.  Each output also has a specific + * position in the broader display (referred to as a 'screen' though it could + * span multiple monitors). + */ +struct drm_output { +	struct drm_device *dev; +	struct list_head head; +	struct drm_crtc *crtc; +	int id; /* idr assigned */ +	unsigned long possible_crtcs; +	unsigned long possible_clones; +	bool interlace_allowed; +	bool doublescan_allowed; +	spinlock_t modes_lock; +	struct list_head modes; /* list of modes on this output */ +	/* +	  OptionInfoPtr options; +	  XF86ConfMonitorPtr conf_monitor; +	 */ +	int initial_x, initial_y; +	enum drm_output_status status; + +	/* these are modes added by probing with DDC or the BIOS */ +	struct list_head probed_modes; +	 +	/* xf86MonPtr MonInfo; */ +	enum subpixel_order subpixel_order; +	int mm_width, mm_height; +	struct edid *monitor_info; +	char name[DRM_OUTPUT_LEN]; +	const struct drm_output_funcs *funcs; +	void *driver_private; +	/* RROutputPtr randr_output? */ +}; + +/** + * struct drm_mode_config_funcs - configure CRTCs for a given screen layout + * @resize: adjust CRTCs as necessary for the proposed layout + * + * Currently only a resize hook is available.  DRM will call back into the + * driver with a new screen width and height.  If the driver can't support + * the proposed size, it can return false.  Otherwise it should adjust + * the CRTC<->output mappings as needed and update its view of the screen. + */ +struct drm_mode_config_funcs { +	bool (*resize)(struct drm_device *dev, int width, int height); +}; + +/** + * drm_mode_config - Mode configuration control structure + * + */ +struct drm_mode_config { +	spinlock_t config_lock; +	struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, output, modes - just makes life easier */ +	/* this is limited to one for now */ +	int num_fb; +	struct list_head fb_list; +	int num_output; +	struct list_head output_list; + +	/* int compat_output? */ +	int num_crtc; +	struct list_head crtc_list; + +	int min_width, min_height; +	int max_width, max_height; +	/* DamagePtr rotationDamage? */ +	/* DGA stuff? */ +	struct drm_mode_config_funcs *funcs; +	int fb_base; +}; + +struct drm_output *drm_output_create(struct drm_device *dev, +				     const struct drm_output_funcs *funcs, +				     const char *name); +extern void drm_output_destroy(struct drm_output *output); +extern bool drm_output_rename(struct drm_output *output, const char *name); + +extern int drm_add_edid_modes(struct drm_output *output, +			struct i2c_adapter *adapter); +extern void drm_mode_probed_add(struct drm_output *output, struct drm_display_mode *mode); +extern void drm_mode_remove(struct drm_output *output, struct drm_display_mode *mode); +extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, +						   struct drm_display_mode *mode); +extern void drm_mode_debug_printmodeline(struct drm_device *dev, +					 struct drm_display_mode *mode); +extern void drm_mode_config_init(struct drm_device *dev); +extern void drm_mode_config_cleanup(struct drm_device *dev); +extern void drm_disable_unused_functions(struct drm_device *dev); + +extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev); +extern void drm_crtc_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); +extern void drm_mode_list_concat(struct list_head *head, +				 struct list_head *new); +extern void drm_mode_validate_size(struct drm_device *dev, +				   struct list_head *mode_list, +				   int maxX, int maxY, int maxPitch); +extern void drm_mode_prune_invalid(struct drm_device *dev, +				   struct list_head *mode_list, bool verbose); +extern void drm_mode_sort(struct list_head *mode_list); +extern int drm_mode_vrefresh(struct drm_display_mode *mode); +extern void drm_mode_set_crtcinfo(struct drm_display_mode *p, +				  int adjust_flags); +extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev); +extern bool drm_initial_config(struct drm_device *dev, +			       struct drm_framebuffer *fb, bool cangrow); +extern void drm_framebuffer_set_object(struct drm_device *dev, +				       unsigned long handle); +extern bool drm_set_desired_modes(struct drm_device *dev); +extern int drmfb_probe(struct drm_device *dev, struct drm_framebuffer *fb); +extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); + +/* IOCTLs */ +extern int drm_mode_getresources(struct inode *inode, struct file *filp, +				 unsigned int cmd, unsigned long arg); + +extern int drm_mode_getcrtc(struct inode *inode, struct file *filp, +			    unsigned int cmd, unsigned long arg); +extern int drm_mode_getoutput(struct inode *inode, struct file *filp, +			      unsigned int cmd, unsigned long arg); +extern int drm_mode_setcrtc(struct inode *inode, struct file *filp, +			    unsigned int cmd, unsigned long arg); +extern int drm_mode_addfb(struct inode *inode, struct file *filp, +			  unsigned int cmd, unsigned long arg); +extern int drm_mode_rmfb(struct inode *inode, struct file *filp, +			 unsigned int cmd, unsigned long arg); +extern int drm_mode_getfb(struct inode *inode, struct file *filp, +			  unsigned int cmd, unsigned long arg); +#endif /* __DRM_CRTC_H__ */ + diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c index b95f796f..b7a7aded 100644 --- a/linux-core/drm_drv.c +++ b/linux-core/drm_drv.c @@ -123,6 +123,13 @@ static drm_ioctl_desc_t drm_ioctls[] = {  					     DRM_AUTH },  	[DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = {drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, +	[DRM_IOCTL_NR(DRM_IOCTL_MODE_GETRESOURCES)] = {drm_mode_getresources, DRM_MASTER|DRM_ROOT_ONLY}, +	[DRM_IOCTL_NR(DRM_IOCTL_MODE_GETCRTC)] = {drm_mode_getcrtc, DRM_MASTER|DRM_ROOT_ONLY}, +	[DRM_IOCTL_NR(DRM_IOCTL_MODE_GETOUTPUT)] = {drm_mode_getoutput, DRM_MASTER|DRM_ROOT_ONLY}, +	[DRM_IOCTL_NR(DRM_IOCTL_MODE_SETCRTC)] = {drm_mode_setcrtc, DRM_MASTER|DRM_ROOT_ONLY}, +	[DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDFB)] = {drm_mode_addfb, DRM_MASTER|DRM_ROOT_ONLY}, +	[DRM_IOCTL_NR(DRM_IOCTL_MODE_RMFB)] = {drm_mode_rmfb, DRM_MASTER|DRM_ROOT_ONLY}, +	[DRM_IOCTL_NR(DRM_IOCTL_MODE_GETFB)] = {drm_mode_getfb, DRM_MASTER|DRM_ROOT_ONLY},  };  #define DRM_CORE_IOCTL_COUNT	ARRAY_SIZE( drm_ioctls ) @@ -150,8 +157,6 @@ int drm_lastclose(drm_device_t * dev)  	 * We can't do much about this function failing.  	 */ -	drm_bo_driver_finish(dev); -  	if (dev->driver->lastclose)  		dev->driver->lastclose(dev);  	DRM_DEBUG("driver lastclose completed\n"); @@ -394,6 +399,8 @@ static void drm_cleanup(drm_device_t * dev)  		DRM_DEBUG("mtrr_del=%d\n", retval);  	} +	drm_bo_driver_finish(dev); +  	if (drm_core_has_AGP(dev) && dev->agp) {  		drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);  		dev->agp = NULL; diff --git a/linux-core/drm_edid.c b/linux-core/drm_edid.c new file mode 100644 index 00000000..9acdc8da --- /dev/null +++ b/linux-core/drm_edid.c @@ -0,0 +1,468 @@ +/* + * Copyright (c) 2007 Intel Corporation + *   Jesse Barnes <jesse.barnes@intel.com> + * + * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from + * FB layer. + *   Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com> + */ +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include "drmP.h" +#include "drm_edid.h" + +/* Valid EDID header has these bytes */ +static u8 edid_header[] = { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 }; + +/** + * edid_valid - sanity check EDID data + * @edid: EDID data + * + * Sanity check the EDID block by looking at the header, the version number + * and the checksum.  Return 0 if the EDID doesn't check out, or 1 if it's + * valid. + */ +static bool edid_valid(struct edid *edid) +{ +	int i; +	u8 csum = 0; +	u8 *raw_edid = (u8 *)edid; + +	if (memcmp(edid->header, edid_header, sizeof(edid_header))) +		goto bad; +	if (edid->version != 1) +		goto bad; +	if (edid->revision <= 0 || edid->revision > 3) +		goto bad; + +	for (i = 0; i < EDID_LENGTH; i++) +		csum += raw_edid[i]; +	if (csum) +		goto bad; + +	return 1; + +bad: +	return 0; +} + +/** + * drm_mode_std - convert standard mode info (width, height, refresh) into mode + * @t: standard timing params + * + * Take the standard timing params (in this case width, aspect, and refresh) + * and convert them into a real mode using CVT. + * + * Punts for now, but should eventually use the FB layer's CVT based mode + * generation code. + */ +struct drm_display_mode *drm_mode_std(struct drm_device *dev, +				      struct std_timing *t) +{ +//	struct fb_videomode mode; + +//	fb_find_mode_cvt(&mode, 0, 0); +	/* JJJ:  convert to drm_display_mode */ +	struct drm_display_mode *mode; +	int hsize = t->hsize * 8 + 248, vsize; + +	mode = drm_crtc_mode_create(dev); +	if (!mode) +		return NULL; + +	if (t->aspect_ratio == 0) +		vsize = (hsize * 10) / 16; +	else if (t->aspect_ratio == 1) +		vsize = (hsize * 3) / 4; +	else if (t->aspect_ratio == 2) +		vsize = (hsize * 4) / 5; +	else +		vsize = (hsize * 9) / 16; + +	snprintf(mode->name, DRM_DISPLAY_MODE_LEN, "%dx%d", hsize, vsize); + +	return mode; +} + +/** + * drm_mode_detailed - create a new mode from an EDID detailed timing section + * @timing: EDID detailed timing info + * @preferred: is this a preferred mode? + * + * An EDID detailed timing block contains enough info for us to create and + * return a new struct drm_display_mode.  The @preferred flag will be set + * if this is the display's preferred timing, and we'll use it to indicate + * to the other layers that this mode is desired. + */ +struct drm_display_mode *drm_mode_detailed(drm_device_t *dev, +					   struct detailed_timing *timing) +{ +	struct drm_display_mode *mode; +	struct detailed_pixel_timing *pt = &timing->data.pixel_data; + +	if (pt->stereo) { +		printk(KERN_WARNING "stereo mode not supported\n"); +		return NULL; +	} +	if (!pt->separate_sync) { +		printk(KERN_WARNING "integrated sync not supported\n"); +		return NULL; +	} + +	mode = drm_crtc_mode_create(dev); +	if (!mode) +		return NULL; + +	mode->type = DRM_MODE_TYPE_DRIVER; +	mode->clock = timing->pixel_clock * 10; + +	mode->hdisplay = (pt->hactive_hi << 8) | pt->hactive_lo; +	mode->hsync_start = mode->hdisplay + ((pt->hsync_offset_hi << 8) | +					      pt->hsync_offset_lo); +	mode->hsync_end = mode->hsync_start + +		((pt->hsync_pulse_width_hi << 8) | +		 pt->hsync_pulse_width_lo); +	mode->htotal = mode->hdisplay + ((pt->hblank_hi << 8) | pt->hblank_lo); + +	mode->vdisplay = (pt->vactive_hi << 8) | pt->vactive_lo; +	mode->vsync_start = mode->vdisplay + ((pt->vsync_offset_hi << 8) | +					      pt->vsync_offset_lo); +	mode->vsync_end = mode->vsync_start + +		((pt->vsync_pulse_width_hi << 8) | +		 pt->vsync_pulse_width_lo); +	mode->vtotal = mode->vdisplay + ((pt->vblank_hi << 8) | pt->vblank_lo); + +	snprintf(mode->name, DRM_DISPLAY_MODE_LEN, "%dx%d", mode->hdisplay, +		 mode->vdisplay); + +	if (pt->interlaced) +		mode->flags |= V_INTERLACE; + +	mode->flags |= pt->hsync_positive ? V_PHSYNC : V_NHSYNC; +	mode->flags |= pt->vsync_positive ? V_PVSYNC : V_NVSYNC; + +	return mode; +} + +/* + * Detailed mode info for the EDID "established modes" data to use. + */ +static struct drm_display_mode edid_est_modes[] = { +	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, +		   968, 1056, 0, 600, 601, 605, 628, 0, +		   V_PHSYNC | V_PVSYNC) }, /* 800x600@60Hz */ +	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824, +		   896, 1024, 0, 600, 601, 603,  625, 0, +		   V_PHSYNC | V_PVSYNC) }, /* 800x600@56Hz */ +	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656, +		   720, 840, 0, 480, 481, 484, 500, 0, +		   V_NHSYNC | V_NVSYNC) }, /* 640x480@75Hz */ +	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664, +		   704,  832, 0, 480, 489, 491, 520, 0, +		   V_NHSYNC | V_NVSYNC) }, /* 640x480@72Hz */ +	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704, +		   768,  864, 0, 480, 483, 486, 525, 0, +		   V_NHSYNC | V_NVSYNC) }, /* 640x480@67Hz */ +	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25200, 640, 656, +		   752, 800, 0, 480, 490, 492, 525, 0, +		   V_NHSYNC | V_NVSYNC) }, /* 640x480@60Hz */ +	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738, +		   846, 900, 0, 400, 421, 423,  449, 0, +		   V_NHSYNC | V_NVSYNC) }, /* 720x400@88Hz */ +	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738, +		   846,  900, 0, 400, 412, 414, 449, 0, +		   V_NHSYNC | V_PVSYNC) }, /* 720x400@70Hz */ +	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296, +		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0, +		   V_PHSYNC | V_PVSYNC) }, /* 1280x1024@75Hz */ +	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78800, 1024, 1040, +		   1136, 1312, 0,  768, 769, 772, 800, 0, +		   V_PHSYNC | V_PVSYNC) }, /* 1024x768@75Hz */ +	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048, +		   1184, 1328, 0,  768, 771, 777, 806, 0, +		   V_NHSYNC | V_NVSYNC) }, /* 1024x768@70Hz */ +	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, +		   1184, 1344, 0,  768, 771, 777, 806, 0, +		   V_NHSYNC | V_NVSYNC) }, /* 1024x768@60Hz */ +	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032, +		   1208, 1264, 0, 768, 768, 776, 817, 0, +		   V_PHSYNC | V_PVSYNC | V_INTERLACE) }, /* 1024x768@43Hz */ +	{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864, +		   928, 1152, 0, 624, 625, 628, 667, 0, +		   V_NHSYNC | V_NVSYNC) }, /* 832x624@75Hz */ +	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816, +		   896, 1056, 0, 600, 601, 604,  625, 0, +		   V_PHSYNC | V_PVSYNC) }, /* 800x600@75Hz */ +	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856, +		   976, 1040, 0, 600, 637, 643, 666, 0, +		   V_PHSYNC | V_PVSYNC) }, /* 800x600@72Hz */ +	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, +		   1344, 1600, 0,  864, 865, 868, 900, 0, +		   V_PHSYNC | V_PVSYNC) }, /* 1152x864@75Hz */ +}; + +#define EDID_EST_TIMINGS 16 +#define EDID_STD_TIMINGS 8 +#define EDID_DETAILED_TIMINGS 4 + +/** + * add_established_modes - get est. modes from EDID and add them + * @edid: EDID block to scan + * + * Each EDID block contains a bitmap of the supported "established modes" list + * (defined above).  Tease them out and add them to the global modes list. + */ +static int add_established_modes(struct drm_output *output, struct edid *edid) +{ +	struct drm_device *dev = output->dev; +	unsigned long est_bits = edid->established_timings.t1 | +		(edid->established_timings.t2 << 8) | +		((edid->established_timings.mfg_rsvd & 0x80) << 9); +	int i, modes = 0; + +	for (i = 0; i <= EDID_EST_TIMINGS; i++) +		if (est_bits & (1<<i)) { +			struct drm_display_mode *newmode; +			newmode = drm_mode_duplicate(dev, &edid_est_modes[i]); +			drm_mode_probed_add(output, newmode); +			modes++; +		} + +	return modes; +} + +/** + * add_standard_modes - get std. modes from EDID and add them + * @edid: EDID block to scan + * + * Standard modes can be calculated using the CVT standard.  Grab them from + * @edid, calculate them, and add them to the list. + */ +static int add_standard_modes(struct drm_output *output, struct edid *edid) +{ +	struct drm_device *dev = output->dev; +	int i, modes = 0; + +	for (i = 0; i < EDID_STD_TIMINGS; i++) { +		struct std_timing *t = &edid->standard_timings[i]; +		struct drm_display_mode *newmode; + +		/* If std timings bytes are 1, 1 it's empty */ +		if (t->hsize == 1 && (t->aspect_ratio | t->vfreq) == 1) +			continue; + +		newmode = drm_mode_std(dev, &edid->standard_timings[i]); +		drm_mode_probed_add(output, newmode); +		modes++; +	} + +	return modes; +} + +/** + * add_detailed_modes - get detailed mode info from EDID data + * @edid: EDID block to scan + * + * Some of the detailed timing sections may contain mode information.  Grab + * it and add it to the list. + */ +static int add_detailed_info(struct drm_output *output, struct edid *edid) +{ +	struct drm_device *dev = output->dev; +	int i, j, modes = 0; + +	for (i = 0; i < EDID_DETAILED_TIMINGS; i++) { +		struct detailed_timing *timing = &edid->detailed_timings[i]; +		struct detailed_non_pixel *data = &timing->data.other_data; +		struct drm_display_mode *newmode; + +		/* EDID up to and including 1.2 may put monitor info here */ +		if (edid->version == 1 && edid->revision < 3) +			continue; + +		/* Detailed mode timing */ +		if (timing->pixel_clock) { +			newmode = drm_mode_detailed(dev, timing); +			/* First detailed mode is preferred */ +			if (i == 0 && edid->preferred_timing) +				newmode->type |= DRM_MODE_TYPE_PREFERRED; +			drm_mode_probed_add(output, newmode); +				      +			modes++; +			continue; +		} + +		/* Other timing or info */ +		switch (data->type) { +		case EDID_DETAIL_MONITOR_SERIAL: +			break; +		case EDID_DETAIL_MONITOR_STRING: +			break; +		case EDID_DETAIL_MONITOR_RANGE: +			/* Get monitor range data */ +			break; +		case EDID_DETAIL_MONITOR_NAME: +			break; +		case EDID_DETAIL_MONITOR_CPDATA: +			break; +		case EDID_DETAIL_STD_MODES: +			/* Five modes per detailed section */ +			for (j = 0; j < 5; i++) { +				struct std_timing *std; +				struct drm_display_mode *newmode; + +				std = &data->data.timings[j]; +				newmode = drm_mode_std(dev, std); +				drm_mode_probed_add(output, newmode); +				modes++; +			} +			break; +		default: +			break; +		} +	} + +	return modes; +} + +#define DDC_ADDR 0x50 + +static unsigned char *drm_do_probe_ddc_edid(struct i2c_adapter *adapter) +{ +	unsigned char start = 0x0; +	unsigned char *buf = kmalloc(EDID_LENGTH, GFP_KERNEL); +	struct i2c_msg msgs[] = { +		{ +			.addr	= DDC_ADDR, +			.flags	= 0, +			.len	= 1, +			.buf	= &start, +		}, { +			.addr	= DDC_ADDR, +			.flags	= I2C_M_RD, +			.len	= EDID_LENGTH, +			.buf	= buf, +		} +	}; + +	if (!buf) { +		dev_warn(&adapter->dev, "unable to allocate memory for EDID " +			 "block.\n"); +		return NULL; +	} + +	if (i2c_transfer(adapter, msgs, 2) == 2) +		return buf; + +	dev_info(&adapter->dev, "unable to read EDID block.\n"); +	kfree(buf); +	return NULL; +} + +static unsigned char *drm_ddc_read(struct i2c_adapter *adapter) +{ +	struct i2c_algo_bit_data *algo_data = adapter->algo_data; +	unsigned char *edid = NULL; +	int i, j; + +	/* +	 * Startup the bus: +	 *   Set clock line high (but give it time to come up) +	 *   Then set clock & data low +	 */ +	algo_data->setscl(algo_data->data, 1); +	udelay(550); /* startup delay */ +	algo_data->setscl(algo_data->data, 0); +	algo_data->setsda(algo_data->data, 0); + +	for (i = 0; i < 3; i++) { +		/* For some old monitors we need the +		 * following process to initialize/stop DDC +		 */ +		algo_data->setsda(algo_data->data, 0); +		msleep(13); + +		algo_data->setscl(algo_data->data, 1); +		for (j = 0; j < 5; j++) { +			msleep(10); +			if (algo_data->getscl(algo_data->data)) +				break; +		} +		if (j == 5) +			continue; + +		algo_data->setsda(algo_data->data, 0); +		msleep(15); +		algo_data->setscl(algo_data->data, 0); +		msleep(15); +		algo_data->setsda(algo_data->data, 1); +		msleep(15); + +		/* Do the real work */ +		edid = drm_do_probe_ddc_edid(adapter); +		algo_data->setsda(algo_data->data, 0); +		algo_data->setscl(algo_data->data, 0); +		msleep(15); + +		algo_data->setscl(algo_data->data, 1); +		for (j = 0; j < 10; j++) { +			msleep(10); +			if (algo_data->getscl(algo_data->data)) +				break; +		} + +		algo_data->setsda(algo_data->data, 1); +		msleep(15); +		algo_data->setscl(algo_data->data, 0); +		if (edid) +			break; +	} +	/* Release the DDC lines when done or the Apple Cinema HD display +	 * will switch off +	 */ +	algo_data->setsda(algo_data->data, 0); +	algo_data->setscl(algo_data->data, 0); +	algo_data->setscl(algo_data->data, 1); + +	return edid; +} + +/** + * drm_add_edid_modes - add modes from EDID data, if available + * @output: output we're probing + * @adapter: i2c adapter to use for DDC + * + * Poke the given output's i2c channel to grab EDID data if possible.  If we + * get any, add the specified modes to the output's mode list. + * + * Return number of modes added or 0 if we couldn't find any. + */ +int drm_add_edid_modes(struct drm_output *output, struct i2c_adapter *adapter) +{ +	struct edid *edid; +	int num_modes = 0; + +	edid = (struct edid *)drm_ddc_read(adapter); +	if (!edid) { +		dev_warn(&output->dev->pdev->dev, "%s: no EDID data\n", +			 output->name); +		goto out_err; +	} + +	if (!edid_valid(edid)) { +		dev_warn(&output->dev->pdev->dev, "%s: EDID invalid.\n", +			 output->name); +		goto out_err; +	} + +	num_modes += add_established_modes(output, edid); +	num_modes += add_standard_modes(output, edid); +	num_modes += add_detailed_info(output, edid); + +	return num_modes; + +out_err: +	kfree(edid); +	return 0; +} +EXPORT_SYMBOL(drm_add_edid_modes); diff --git a/linux-core/drm_edid.h b/linux-core/drm_edid.h new file mode 100644 index 00000000..0d2eeaa1 --- /dev/null +++ b/linux-core/drm_edid.h @@ -0,0 +1,176 @@ +#ifndef __DRM_EDID_H__ +#define __DRM_EDID_H__ + +#include <linux/types.h> + +#define EDID_LENGTH 128 +#define DDC_ADDR 0x50 + +#ifdef BIG_ENDIAN +#error "EDID structure is little endian, need big endian versions" +#endif + +struct est_timings { +	u8 t1; +	u8 t2; +	u8 mfg_rsvd; +} __attribute__((packed)); + +struct std_timing { +	u8 hsize; /* need to multiply by 8 then add 248 */ +	u8 vfreq:6; /* need to add 60 */ +	u8 aspect_ratio:2; /* 00=16:10, 01=4:3, 10=5:4, 11=16:9 */ +} __attribute__((packed)); + +/* If detailed data is pixel timing */ +struct detailed_pixel_timing { +	u8 hactive_lo; +	u8 hblank_lo; +	u8 hblank_hi:4; +	u8 hactive_hi:4; +	u8 vactive_lo; +	u8 vblank_lo; +	u8 vblank_hi:4; +	u8 vactive_hi:4; +	u8 hsync_offset_lo; +	u8 hsync_pulse_width_lo; +	u8 vsync_pulse_width_lo:4; +	u8 vsync_offset_lo:4; +	u8 hsync_pulse_width_hi:2; +	u8 hsync_offset_hi:2; +	u8 vsync_pulse_width_hi:2; +	u8 vsync_offset_hi:2; +	u8 width_mm_lo; +	u8 height_mm_lo; +	u8 height_mm_hi:4; +	u8 width_mm_hi:4; +	u8 hborder; +	u8 vborder; +	u8 unknown0:1; +	u8 vsync_positive:1; +	u8 hsync_positive:1; +	u8 separate_sync:2; +	u8 stereo:1; +	u8 unknown6:1; +	u8 interlaced:1; +} __attribute__((packed)); + +/* If it's not pixel timing, it'll be one of the below */ +struct detailed_data_string { +	u8 str[13]; +} __attribute__((packed)); + +struct detailed_data_monitor_range { +	u8 min_vfreq; +	u8 max_vfreq; +	u8 min_hfreq_khz; +	u8 max_hfreq_khz; +	u8 pixel_clock_mhz; /* need to multiply by 10 */ +	u16 sec_gtf_toggle; /* A000=use above, 20=use below */ /* FIXME: byte order */ +	u8 hfreq_start_khz; /* need to multiply by 2 */ +	u8 c; /* need to divide by 2 */ +	u16 m; /* FIXME: byte order */ +	u8 k; +	u8 j; /* need to divide by 2 */ +} __attribute__((packed)); + +struct detailed_data_wpindex { +	u8 white_y_lo:2; +	u8 white_x_lo:2; +	u8 pad:4; +	u8 white_x_hi; +	u8 white_y_hi; +	u8 gamma; /* need to divide by 100 then add 1 */ +} __attribute__((packed)); + +struct detailed_data_color_point { +	u8 windex1; +	u8 wpindex1[3]; +	u8 windex2; +	u8 wpindex2[3]; +} __attribute__((packed)); + +struct detailed_non_pixel { +	u8 pad1; +	u8 type; /* ff=serial, fe=string, fd=monitor range, fc=monitor name +		    fb=color point data, fa=standard timing data, +		    f9=undefined, f8=mfg. reserved */ +	u8 pad2; +	union { +		struct detailed_data_string str; +		struct detailed_data_monitor_range range; +		struct detailed_data_wpindex color; +		struct std_timing timings[5]; +	} data; +} __attribute__((packed)); + +#define EDID_DETAIL_STD_MODES 0xfa +#define EDID_DETAIL_MONITOR_CPDATA 0xfb +#define EDID_DETAIL_MONITOR_NAME 0xfc +#define EDID_DETAIL_MONITOR_RANGE 0xfd +#define EDID_DETAIL_MONITOR_STRING 0xfe +#define EDID_DETAIL_MONITOR_SERIAL 0xff + +struct detailed_timing { +	u16 pixel_clock; /* need to multiply by 10 KHz */ /* FIXME: byte order */ +	union { +		struct detailed_pixel_timing pixel_data; +		struct detailed_non_pixel other_data; +	} data; +} __attribute__((packed)); + +struct edid { +	u8 header[8]; +	/* Vendor & product info */ +	u16 mfg_id; /* FIXME: byte order */ +	u16 prod_code; /* FIXME: byte order */ +	u32 serial; /* FIXME: byte order */ +	u8 mfg_week; +	u8 mfg_year; +	/* EDID version */ +	u8 version; +	u8 revision; +	/* Display info: */ +	/*   input definition */ +	u8 serration_vsync:1; +	u8 sync_on_green:1; +	u8 composite_sync:1; +	u8 separate_syncs:1; +	u8 blank_to_black:1; +	u8 video_level:2; +	u8 digital:1; /* bits below must be zero if set */ +	u8 width_cm; +	u8 height_cm; +	u8 gamma; +	/*   feature support */ +	u8 default_gtf:1; +	u8 preferred_timing:1; +	u8 standard_color:1; +	u8 display_type:2; /* 00=mono, 01=rgb, 10=non-rgb, 11=unknown */ +	u8 pm_active_off:1; +	u8 pm_suspend:1; +	u8 pm_standby:1; +	/* Color characteristics */ +	u8 red_green_lo; +	u8 black_white_lo; +	u8 red_x; +	u8 red_y; +	u8 green_x; +	u8 green_y; +	u8 blue_x; +	u8 blue_y; +	u8 white_x; +	u8 white_y; +	/* Est. timings and mfg rsvd timings*/ +	struct est_timings established_timings; +	/* Standard timings 1-8*/ +	struct std_timing standard_timings[8]; +	/* Detailing timings 1-4 */ +	struct detailed_timing detailed_timings[4]; +	/* Number of 128 byte ext. blocks */ +	u8 extensions; +	/* Checksum */ +	u8 checksum; +} __attribute__((packed)); + +#endif /* __DRM_EDID_H__ */ diff --git a/linux-core/drm_fb.c b/linux-core/drm_fb.c new file mode 100644 index 00000000..a70e4d52 --- /dev/null +++ b/linux-core/drm_fb.c @@ -0,0 +1,201 @@ +/* + * Copyright © 2007 David Airlie + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + *     David Airlie + */ +    /* +     *  Modularization +     */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/init.h> + +#include "drmP.h" +struct drmfb_par { +	struct drm_device *dev; +	struct drm_framebuffer *fb; +}; + +static int drmfb_setcolreg(unsigned regno, unsigned red, unsigned green, +			   unsigned blue, unsigned transp, +			   struct fb_info *info) +{ +	struct drmfb_par *par = info->par; +	struct drm_framebuffer *fb = par->fb; +	if (regno > 17) +		return 1; + +	if (regno < 16) { +		switch (fb->depth) { +		case 15: +			fb->pseudo_palette[regno] = ((red & 0xf800) >>  1) | +				((green & 0xf800) >>  6) | +				((blue & 0xf800) >> 11); +			break; +		case 16: +			fb->pseudo_palette[regno] = (red & 0xf800) | +				((green & 0xfc00) >>  5) | +				((blue  & 0xf800) >> 11); +			break; +		case 24: +		case 32: +			fb->pseudo_palette[regno] = ((red & 0xff00) << 8) | +				(green & 0xff00) | +				((blue  & 0xff00) >> 8); +			break; +		} +	} + +	return 0; +} + +/* this will let fbcon do the mode init */ +static int drmfb_set_par(struct fb_info *info) +{ +	struct drmfb_par *par = info->par; +	struct drm_device *dev = par->dev; + +	drm_set_desired_modes(dev); +} + +static struct fb_ops drmfb_ops = { +	.owner = THIS_MODULE, +	//	.fb_open = drmfb_open, +	//	.fb_read = drmfb_read, +	//	.fb_write = drmfb_write, +	//	.fb_release = drmfb_release, +	//	.fb_ioctl = drmfb_ioctl, +	.fb_set_par = drmfb_set_par, +	.fb_setcolreg = drmfb_setcolreg, +	.fb_fillrect = cfb_fillrect, +	.fb_copyarea = cfb_copyarea, +	.fb_imageblit = cfb_imageblit, +}; + +int drmfb_probe(struct drm_device *dev, struct drm_framebuffer *fb) +{ +	struct fb_info *info; +	struct drmfb_par *par; +	struct device *device = &dev->pdev->dev;  +	struct fb_var_screeninfo *var_info; +	unsigned long base, size; + +	info = framebuffer_alloc(sizeof(struct drmfb_par), device); +	if (!info){ +		return -EINVAL; +	} + +	fb->fbdev = info; +		 +	par = info->par; + +	par->dev = dev; +	par->fb = fb; + +	info->fbops = &drmfb_ops; + +	strcpy(info->fix.id, "drmfb"); +	info->fix.smem_start = fb->offset + dev->mode_config.fb_base; +	info->fix.smem_len = (8*1024*1024); +	info->fix.type = FB_TYPE_PACKED_PIXELS; +	info->fix.visual = FB_VISUAL_DIRECTCOLOR; +	info->fix.accel = FB_ACCEL_NONE; +	info->fix.type_aux = 0; +	info->fix.mmio_start = 0; +	info->fix.mmio_len = 0; +	info->fix.line_length = fb->pitch * ((fb->bits_per_pixel + 1) / 8); + +	info->flags = FBINFO_DEFAULT; + +	base = fb->bo->offset + dev->mode_config.fb_base; +	size = (fb->bo->mem.num_pages * PAGE_SIZE); + +	DRM_DEBUG("remapping %08X %d\n", base, size); +	fb->virtual_base = ioremap_nocache(base, size); + +	info->screen_base = fb->virtual_base; +	info->screen_size = size; +	info->pseudo_palette = fb->pseudo_palette; +	info->var.xres = fb->width; +	info->var.xres_virtual = fb->pitch; +	info->var.yres = fb->height; +	info->var.yres_virtual = fb->height; +	info->var.bits_per_pixel = fb->bits_per_pixel; +	info->var.xoffset = 0; +	info->var.yoffset = 0; +	info->var.activate = FB_ACTIVATE_NOW; +	info->var.height = -1; +	info->var.width = -1; +	info->var.vmode = FB_VMODE_NONINTERLACED; + +	DRM_DEBUG("fb depth is %d\n", fb->depth); +	switch(fb->depth) { +	case 8: +	case 15: +	case 16: +		break; +	default: +	case 24: +	case 32: +		info->var.red.offset = 16; +		info->var.green.offset = 8; +		info->var.blue.offset = 0; +		info->var.red.length = info->var.green.length = +			info->var.blue.length = 8; +		if (fb->depth == 32) { +			info->var.transp.offset = 24; +			info->var.transp.length = 8; +		} +		break; +	} + +	if (register_framebuffer(info) < 0) +		return -EINVAL; + +	printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, +	       info->fix.id); +	return 0; +} +EXPORT_SYMBOL(drmfb_probe); + +int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb) +{ +	struct fb_info *info = fb->fbdev; +	 +	if (info) { +		iounmap(fb->virtual_base); +		unregister_framebuffer(info); +		framebuffer_release(info); +	} +	return 0; +} +EXPORT_SYMBOL(drmfb_remove); +MODULE_LICENSE("GPL"); diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c index d400a4d5..6f0465fd 100644 --- a/linux-core/drm_fops.c +++ b/linux-core/drm_fops.c @@ -41,7 +41,7 @@  static int drm_open_helper(struct inode *inode, struct file *filp,  			   drm_device_t * dev); -static int drm_setup(drm_device_t * dev) +int drm_setup(drm_device_t * dev)  {  	drm_local_map_t *map;  	int i; @@ -121,6 +121,7 @@ static int drm_setup(drm_device_t * dev)  	return 0;  } +EXPORT_SYMBOL(drm_setup);  /**   * Open file. diff --git a/linux-core/drm_modes.c b/linux-core/drm_modes.c new file mode 100644 index 00000000..14c7acd5 --- /dev/null +++ b/linux-core/drm_modes.c @@ -0,0 +1,338 @@ +/* + * Copyright © 1997-2003 by The XFree86 Project, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of the copyright holder(s) + * and author(s) shall not be used in advertising or otherwise to promote + * the sale, use or other dealings in this Software without prior written + * authorization from the copyright holder(s) and author(s). + */ +/* + * Copyright © 2007 Dave Airlie + */ + +#include <linux/list.h> +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" + +void drm_mode_debug_printmodeline(struct drm_device *dev, +				  struct drm_display_mode *mode) +{ +	DRM_DEBUG("Modeline %d:\"%s\" %d %d %d %d %d %d %d %d %d %d\n", +		  mode->mode_id, mode->name, mode->vrefresh / 1000, mode->clock, +		  mode->hdisplay, mode->hsync_start, +		  mode->hsync_end, mode->htotal, +		  mode->vdisplay, mode->vsync_start, +		  mode->vsync_end, mode->vtotal); +} +EXPORT_SYMBOL(drm_mode_debug_printmodeline); + +void drm_mode_list_concat(struct list_head *head, struct list_head *new) +{ + +	struct list_head *entry, *tmp; + +	list_for_each_safe(entry, tmp, head) { +		list_move_tail(entry, new); +	} +} + +int drm_mode_width(struct drm_display_mode *mode) +{ +	return mode->hdisplay; + +} +EXPORT_SYMBOL(drm_mode_width); + +int drm_mode_height(struct drm_display_mode *mode) +{ +	return mode->vdisplay; +} +EXPORT_SYMBOL(drm_mode_height); + +int drm_mode_vrefresh(struct drm_display_mode *mode) +{ +	int refresh = 0; + +	if (mode->vrefresh > 0) +		refresh = mode->vrefresh; +	else if (mode->htotal > 0 && mode->vtotal > 0) { +		refresh = ((mode->clock * 1000) * 1000) / mode->htotal / mode->vtotal; +		if (mode->flags & V_INTERLACE) +			refresh *= 2; +		if (mode->flags & V_DBLSCAN) +			refresh /= 2; +		if (mode->vscan > 1) +			refresh /= mode->vscan; +	} +	return refresh; +} +EXPORT_SYMBOL(drm_mode_vrefresh); +	 + +void drm_mode_set_crtcinfo(struct drm_display_mode *p, int adjust_flags) +{ +	if ((p == NULL) || ((p->type & DRM_MODE_TYPE_CRTC_C) == DRM_MODE_TYPE_BUILTIN)) +		return; + +	p->crtc_hdisplay = p->hdisplay; +	p->crtc_hsync_start = p->hsync_start; +	p->crtc_hsync_end = p->hsync_end; +	p->crtc_htotal = p->htotal; +	p->crtc_hskew = p->hskew; +	p->crtc_vdisplay = p->vdisplay; +	p->crtc_vsync_start = p->vsync_start; +	p->crtc_vsync_end = p->vsync_end; +	p->crtc_vtotal = p->vtotal; + +	if (p->flags & V_INTERLACE) { +		if (adjust_flags & CRTC_INTERLACE_HALVE_V) { +			p->crtc_vdisplay /= 2; +			p->crtc_vsync_start /= 2; +			p->crtc_vsync_end /= 2; +			p->crtc_vtotal /= 2; +		} + +		p->crtc_vtotal |= 1; +	} + +	if (p->flags & V_DBLSCAN) { +		p->crtc_vdisplay *= 2; +		p->crtc_vsync_start *= 2; +		p->crtc_vsync_end *= 2; +		p->crtc_vtotal *= 2; +	} + +	if (p->vscan > 1) { +		p->crtc_vdisplay *= p->vscan; +		p->crtc_vsync_start *= p->vscan; +		p->crtc_vsync_end *= p->vscan; +		p->crtc_vtotal *= p->vscan; +	} + +	p->crtc_vblank_start = min(p->crtc_vsync_start, p->crtc_vdisplay); +	p->crtc_vblank_end = max(p->crtc_vsync_end, p->crtc_vtotal); +	p->crtc_hblank_start = min(p->crtc_hsync_start, p->crtc_hdisplay); +	p->crtc_hblank_end = max(p->crtc_hsync_end, p->crtc_htotal); + +	p->crtc_hadjusted = false; +	p->crtc_vadjusted = false; +} +EXPORT_SYMBOL(drm_mode_set_crtcinfo); + + +/** + * drm_mode_duplicate - allocate and duplicate an existing mode + * @m: mode to duplicate + * + * Just allocate a new mode, copy the existing mode into it, and return + * a pointer to it.  Used to create new instances of established modes. + */ +struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, struct drm_display_mode *mode) +{ +	struct drm_display_mode *nmode; +	int new_id; + +	nmode = drm_crtc_mode_create(dev); +	if (!nmode) +		return NULL; + +	new_id = nmode->mode_id; +	*nmode = *mode; +	nmode->mode_id = new_id; +	INIT_LIST_HEAD(&nmode->head); +	return nmode; +} +EXPORT_SYMBOL(drm_mode_duplicate); + +bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2) +{ +	if (mode1->clock == mode2->clock && +	    mode1->hdisplay == mode2->hdisplay && +	    mode1->hsync_start == mode2->hsync_start && +	    mode1->hsync_end == mode2->hsync_end && +	    mode1->htotal == mode2->htotal && +	    mode1->hskew == mode2->hskew && +	    mode1->vdisplay == mode2->vdisplay && +	    mode1->vsync_start == mode2->vsync_start && +	    mode1->vsync_end == mode2->vsync_end && +	    mode1->vtotal == mode2->vtotal && +	    mode1->vscan == mode2->vscan && +	    mode1->flags == mode2->flags) +		return true; +	 +	return false; +} +EXPORT_SYMBOL(drm_mode_equal); + +void drm_mode_validate_size(struct drm_device *dev, +			    struct list_head *mode_list, +			    int maxX, int maxY, int maxPitch) +{ +	struct drm_display_mode *mode; + +	list_for_each_entry(mode, mode_list, head) { +		if (maxPitch > 0 && mode->hdisplay > maxPitch) +			mode->status = MODE_BAD_WIDTH; +		 +		if (maxX > 0 && mode->hdisplay > maxX) +			mode->status = MODE_VIRTUAL_X; + +		if (maxY > 0 && mode->vdisplay > maxY) +			mode->status = MODE_VIRTUAL_Y; +	} +} +EXPORT_SYMBOL(drm_mode_validate_size); + +void drm_mode_validate_clocks(struct drm_device *dev, +			      struct list_head *mode_list, +			      int *min, int *max, int n_ranges) +{ +	struct drm_display_mode *mode; +	int i; + +	list_for_each_entry(mode, mode_list, head) { +		bool good = false; +		for (i = 0; i < n_ranges; i++) { +			if (mode->clock >= min[i] && mode->clock <= max[i]) { +				good = true; +				break; +			} +		} +		if (!good) +			mode->status = MODE_CLOCK_RANGE; +	} +} +EXPORT_SYMBOL(drm_mode_validate_clocks); + +void drm_mode_prune_invalid(struct drm_device *dev, +			    struct list_head *mode_list, bool verbose) +{ +	struct drm_display_mode *mode, *t; + +	list_for_each_entry_safe(mode, t, mode_list, head) { +		if (mode->status != MODE_OK) { +			list_del(&mode->head); +			if (verbose) +				DRM_DEBUG("Not using %s mode %d\n", mode->name, mode->status); +			kfree(mode); +		} +	} +} + +static int drm_mode_compare(struct list_head *lh_a, struct list_head *lh_b) +{ +	struct drm_display_mode *a = list_entry(lh_a, struct drm_display_mode, head); +	struct drm_display_mode *b = list_entry(lh_b, struct drm_display_mode, head); +	int diff; + +	diff = ((b->type & DRM_MODE_TYPE_PREFERRED) != 0) - +		((a->type & DRM_MODE_TYPE_PREFERRED) != 0); +	if (diff) +		return diff; +	diff = b->hdisplay * b->vdisplay - a->hdisplay * a->vdisplay; +	if (diff) +		return diff; +	diff = b->clock - a->clock; +	return diff; +} + +/* list sort from Mark J Roberts (mjr@znex.org) */ +void list_sort(struct list_head *head, int (*cmp)(struct list_head *a, struct list_head *b)) +{ +	struct list_head *p, *q, *e, *list, *tail, *oldhead; +	int insize, nmerges, psize, qsize, i; +	 +	list = head->next; +	list_del(head); +	insize = 1; +	for (;;) { +		p = oldhead = list; +		list = tail = NULL; +		nmerges = 0; +		 +		while (p) { +			nmerges++; +			q = p; +			psize = 0; +			for (i = 0; i < insize; i++) { +				psize++; +				q = q->next == oldhead ? NULL : q->next; +				if (!q) +					break; +			} +			 +			qsize = insize; +			while (psize > 0 || (qsize > 0 && q)) { +				if (!psize) { +					e = q; +					q = q->next; +					qsize--; +					if (q == oldhead) +						q = NULL; +				} else if (!qsize || !q) { +					e = p; +					p = p->next; +					psize--; +					if (p == oldhead) +						p = NULL; +				} else if (cmp(p, q) <= 0) { +					e = p; +					p = p->next; +					psize--; +					if (p == oldhead) +						p = NULL; +				} else { +					e = q; +					q = q->next; +					qsize--; +					if (q == oldhead) +						q = NULL; +				} +				if (tail) +					tail->next = e; +				else +					list = e; +				e->prev = tail; +				tail = e; +			} +			p = q; +		} +		 +		tail->next = list; +		list->prev = tail; +		 +		if (nmerges <= 1) +			break; +		 +		insize *= 2; +	} +	 +	head->next = list; +	head->prev = list->prev; +	list->prev->next = head; +	list->prev = head; +} + +void drm_mode_sort(struct list_head *mode_list) +{ +	list_sort(mode_list, drm_mode_compare); +} diff --git a/linux-core/edid.h b/linux-core/edid.h new file mode 100644 index 00000000..bd89fb3b --- /dev/null +++ b/linux-core/edid.h @@ -0,0 +1,138 @@ +/*  + * drivers/video/edid.h - EDID/DDC Header + * + * Based on: + *   1. XFree86 4.3.0, edid.h + *      Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE> + *  + *   2. John Fremlin <vii@users.sourceforge.net> and  + *      Ani Joshi <ajoshi@unixbox.com> + * + * DDC is a Trademark of VESA (Video Electronics Standard Association). + * + * This file is subject to the terms and conditions of the GNU General Public + * License.  See the file COPYING in the main directory of this archive + * for more details. +*/ + +#ifndef __EDID_H__ +#define __EDID_H__ + +#define EDID_LENGTH				0x80 +#define EDID_HEADER				0x00 +#define EDID_HEADER_END				0x07 + +#define ID_MANUFACTURER_NAME			0x08 +#define ID_MANUFACTURER_NAME_END		0x09 +#define ID_MODEL				0x0a + +#define ID_SERIAL_NUMBER			0x0c + +#define MANUFACTURE_WEEK			0x10 +#define MANUFACTURE_YEAR			0x11 + +#define EDID_STRUCT_VERSION			0x12 +#define EDID_STRUCT_REVISION			0x13 + +#define EDID_STRUCT_DISPLAY                     0x14 + +#define DPMS_FLAGS				0x18 +#define ESTABLISHED_TIMING_1			0x23 +#define ESTABLISHED_TIMING_2			0x24 +#define MANUFACTURERS_TIMINGS			0x25 + +/* standard timings supported */ +#define STD_TIMING                              8 +#define STD_TIMING_DESCRIPTION_SIZE             2 +#define STD_TIMING_DESCRIPTIONS_START           0x26 + +#define DETAILED_TIMING_DESCRIPTIONS_START	0x36 +#define DETAILED_TIMING_DESCRIPTION_SIZE	18 +#define NO_DETAILED_TIMING_DESCRIPTIONS		4 + +#define DETAILED_TIMING_DESCRIPTION_1		0x36 +#define DETAILED_TIMING_DESCRIPTION_2		0x48 +#define DETAILED_TIMING_DESCRIPTION_3		0x5a +#define DETAILED_TIMING_DESCRIPTION_4		0x6c + +#define DESCRIPTOR_DATA				5 + +#define UPPER_NIBBLE( x ) \ +        (((128|64|32|16) & (x)) >> 4) + +#define LOWER_NIBBLE( x ) \ +        ((1|2|4|8) & (x)) + +#define COMBINE_HI_8LO( hi, lo ) \ +        ( (((unsigned)hi) << 8) | (unsigned)lo ) + +#define COMBINE_HI_4LO( hi, lo ) \ +        ( (((unsigned)hi) << 4) | (unsigned)lo ) + +#define PIXEL_CLOCK_LO     (unsigned)block[ 0 ] +#define PIXEL_CLOCK_HI     (unsigned)block[ 1 ] +#define PIXEL_CLOCK	   (COMBINE_HI_8LO( PIXEL_CLOCK_HI,PIXEL_CLOCK_LO )*10000) +#define H_ACTIVE_LO        (unsigned)block[ 2 ] +#define H_BLANKING_LO      (unsigned)block[ 3 ] +#define H_ACTIVE_HI        UPPER_NIBBLE( (unsigned)block[ 4 ] ) +#define H_ACTIVE           COMBINE_HI_8LO( H_ACTIVE_HI, H_ACTIVE_LO ) +#define H_BLANKING_HI      LOWER_NIBBLE( (unsigned)block[ 4 ] ) +#define H_BLANKING         COMBINE_HI_8LO( H_BLANKING_HI, H_BLANKING_LO ) + +#define V_ACTIVE_LO        (unsigned)block[ 5 ] +#define V_BLANKING_LO      (unsigned)block[ 6 ] +#define V_ACTIVE_HI        UPPER_NIBBLE( (unsigned)block[ 7 ] ) +#define V_ACTIVE           COMBINE_HI_8LO( V_ACTIVE_HI, V_ACTIVE_LO ) +#define V_BLANKING_HI      LOWER_NIBBLE( (unsigned)block[ 7 ] ) +#define V_BLANKING         COMBINE_HI_8LO( V_BLANKING_HI, V_BLANKING_LO ) + +#define H_SYNC_OFFSET_LO   (unsigned)block[ 8 ] +#define H_SYNC_WIDTH_LO    (unsigned)block[ 9 ] + +#define V_SYNC_OFFSET_LO   UPPER_NIBBLE( (unsigned)block[ 10 ] ) +#define V_SYNC_WIDTH_LO    LOWER_NIBBLE( (unsigned)block[ 10 ] ) + +#define V_SYNC_WIDTH_HI    ((unsigned)block[ 11 ] & (1|2)) +#define V_SYNC_OFFSET_HI   (((unsigned)block[ 11 ] & (4|8)) >> 2) + +#define H_SYNC_WIDTH_HI    (((unsigned)block[ 11 ] & (16|32)) >> 4) +#define H_SYNC_OFFSET_HI   (((unsigned)block[ 11 ] & (64|128)) >> 6) + +#define V_SYNC_WIDTH       COMBINE_HI_4LO( V_SYNC_WIDTH_HI, V_SYNC_WIDTH_LO ) +#define V_SYNC_OFFSET      COMBINE_HI_4LO( V_SYNC_OFFSET_HI, V_SYNC_OFFSET_LO ) + +#define H_SYNC_WIDTH       COMBINE_HI_4LO( H_SYNC_WIDTH_HI, H_SYNC_WIDTH_LO ) +#define H_SYNC_OFFSET      COMBINE_HI_4LO( H_SYNC_OFFSET_HI, H_SYNC_OFFSET_LO ) + +#define H_SIZE_LO          (unsigned)block[ 12 ] +#define V_SIZE_LO          (unsigned)block[ 13 ] + +#define H_SIZE_HI          UPPER_NIBBLE( (unsigned)block[ 14 ] ) +#define V_SIZE_HI          LOWER_NIBBLE( (unsigned)block[ 14 ] ) + +#define H_SIZE             COMBINE_HI_8LO( H_SIZE_HI, H_SIZE_LO ) +#define V_SIZE             COMBINE_HI_8LO( V_SIZE_HI, V_SIZE_LO ) + +#define H_BORDER           (unsigned)block[ 15 ] +#define V_BORDER           (unsigned)block[ 16 ] + +#define FLAGS              (unsigned)block[ 17 ] + +#define INTERLACED         (FLAGS&128) +#define SYNC_TYPE          (FLAGS&3<<3)	/* bits 4,3 */ +#define SYNC_SEPARATE      (3<<3) +#define HSYNC_POSITIVE     (FLAGS & 4) +#define VSYNC_POSITIVE     (FLAGS & 2) + +#define V_MIN_RATE              block[ 5 ] +#define V_MAX_RATE              block[ 6 ] +#define H_MIN_RATE              block[ 7 ] +#define H_MAX_RATE              block[ 8 ] +#define MAX_PIXEL_CLOCK         (((int)block[ 9 ]) * 10) +#define GTF_SUPPORT		block[10] + +#define DPMS_ACTIVE_OFF		(1 << 5) +#define DPMS_SUSPEND		(1 << 6) +#define DPMS_STANDBY		(1 << 7) + +#endif /* __EDID_H__ */ diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c index 7fdb0839..b9e624f9 100644 --- a/linux-core/i915_drv.c +++ b/linux-core/i915_drv.c @@ -79,6 +79,7 @@ static struct drm_driver driver = {  	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL |  	    DRIVER_IRQ_VBL2,  	.load = i915_driver_load, +	.unload = i915_driver_unload,  	.firstopen = i915_driver_firstopen,  	.lastclose = i915_driver_lastclose,  	.preclose = i915_driver_preclose, diff --git a/linux-core/i915_init.c b/linux-core/i915_init.c new file mode 120000 index 00000000..473ddf7b --- /dev/null +++ b/linux-core/i915_init.c @@ -0,0 +1 @@ +../shared-core/i915_init.c
\ No newline at end of file diff --git a/linux-core/intel_crt.c b/linux-core/intel_crt.c new file mode 100644 index 00000000..ca7ae7b3 --- /dev/null +++ b/linux-core/intel_crt.c @@ -0,0 +1,269 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + *	Eric Anholt <eric@anholt.net> + */ + +#include <linux/i2c.h> +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" + +static void intel_crt_dpms(struct drm_output *output, int mode) +{ +	drm_device_t *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	u32 temp; +	 +	temp = I915_READ(ADPA); +	temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE); +	temp &= ~ADPA_DAC_ENABLE; +	 +	switch(mode) { +	case DPMSModeOn: +		temp |= ADPA_DAC_ENABLE; +		break; +	case DPMSModeStandby: +		temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE; +		break; +	case DPMSModeSuspend: +		temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE; +		break; +	case DPMSModeOff: +		temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE; +		break; +	} +	 +	I915_WRITE(ADPA, temp); +} + +static void intel_crt_save(struct drm_output *output) +{ +	 +} + +static void intel_crt_restore(struct drm_output *output) +{ + +} + +static int intel_crt_mode_valid(struct drm_output *output, +				struct drm_display_mode *mode) +{ +	if (mode->flags & V_DBLSCAN) +		return MODE_NO_DBLESCAN; + +	if (mode->clock > 400000 || mode->clock < 25000) +		return MODE_CLOCK_RANGE; + +	return MODE_OK; +} + +static bool intel_crt_mode_fixup(struct drm_output *output, +				 struct drm_display_mode *mode, +				 struct drm_display_mode *adjusted_mode) +{ +	return true; +} + +static void intel_crt_mode_set(struct drm_output *output, +			       struct drm_display_mode *mode, +			       struct drm_display_mode *adjusted_mode) +{ +	drm_device_t *dev = output->dev; +	struct drm_crtc *crtc = output->crtc; +	struct intel_crtc *intel_crtc = crtc->driver_private; +	drm_i915_private_t *dev_priv = dev->dev_private; +	int dpll_md_reg; +	u32 adpa, dpll_md; + +	if (intel_crtc->pipe == 0)  +		dpll_md_reg = DPLL_A_MD; +	else +		dpll_md_reg = DPLL_B_MD; + +	/* +	 * Disable separate mode multiplier used when cloning SDVO to CRT +	 * XXX this needs to be adjusted when we really are cloning +	 */ +	if (IS_I965G(dev)) { +		dpll_md = I915_READ(dpll_md_reg); +		I915_WRITE(dpll_md_reg, +			   dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK); +	} +	 +	adpa = 0; +	if (adjusted_mode->flags & V_PHSYNC) +		adpa |= ADPA_HSYNC_ACTIVE_HIGH; +	if (adjusted_mode->flags & V_PVSYNC) +		adpa |= ADPA_VSYNC_ACTIVE_HIGH; +	 +	if (intel_crtc->pipe == 0) +		adpa |= ADPA_PIPE_A_SELECT; +	else +		adpa |= ADPA_PIPE_B_SELECT; +	 +	I915_WRITE(ADPA, adpa); +} + +/** + * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence. + * + * Only for I945G/GM. + * + * \return TRUE if CRT is connected. + * \return FALSE if CRT is disconnected. + */ +static bool intel_crt_detect_hotplug(struct drm_output *output) +{ +	drm_device_t *dev = output->dev; +//	struct intel_output *intel_output = output->driver_private; +	drm_i915_private_t *dev_priv = dev->dev_private; +	u32 temp; +//	const int timeout_ms = 1000; +//	int starttime, curtime; + +	temp = I915_READ(PORT_HOTPLUG_EN); + +	I915_WRITE(PORT_HOTPLUG_EN, temp | CRT_HOTPLUG_FORCE_DETECT | (1 << 5)); +#if 0	 +	for (curtime = starttime = GetTimeInMillis(); +	     (curtime - starttime) < timeout_ms; curtime = GetTimeInMillis()) +	{ +		if ((I915_READ(PORT_HOTPLUG_EN) & CRT_HOTPLUG_FORCE_DETECT) == 0) +			break; +	} +#endif +	if ((I915_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) == +	    CRT_HOTPLUG_MONITOR_COLOR) +	{ +		return true; +	} else { +		return false; +	} +} + +static bool intel_crt_detect_ddc(struct drm_output *output) +{ +	struct intel_output *intel_output = output->driver_private; + +	/* CRT should always be at 0, but check anyway */ +	if (intel_output->type != INTEL_OUTPUT_ANALOG) +		return false; +	 +	return intel_ddc_probe(output); +} + +static enum drm_output_status intel_crt_detect(struct drm_output *output) +{ +	drm_device_t *dev = output->dev; +	struct intel_output *intel_output = output->driver_private; +	 +	if (IS_I945G(dev)| IS_I945GM(dev) || IS_I965G(dev)) { +		if (intel_crt_detect_hotplug(output)) +			return output_status_connected; +		else +			return output_status_disconnected; +	} + +	/* Set up the DDC bus. */ +	intel_output->ddc_bus = intel_i2c_create(dev, GPIOA, "CRTDDC_A"); +	if (!intel_output->ddc_bus) { +		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration " +			   "failed.\n"); +		return 0; +	} + +	if (intel_crt_detect_ddc(output)) { +		intel_i2c_destroy(intel_output->ddc_bus); +		return output_status_connected; +	} + +	intel_i2c_destroy(intel_output->ddc_bus); +	/* TODO use load detect */ +	return output_status_unknown; +} + +static void intel_crt_destroy(struct drm_output *output) +{ +	if (output->driver_private) +		kfree(output->driver_private); +} + +static int intel_crt_get_modes(struct drm_output *output) +{ +	struct drm_device *dev = output->dev; +	struct intel_output *intel_output = output->driver_private; +	int ret; + +	/* Set up the DDC bus. */ +	intel_output->ddc_bus = intel_i2c_create(dev, GPIOA, "CRTDDC_A"); +	if (!intel_output->ddc_bus) { +		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration " +			   "failed.\n"); +		return 0; +	} + +	ret = intel_ddc_get_modes(output); +	intel_i2c_destroy(intel_output->ddc_bus); +	return ret; +} + +/* + * Routines for controlling stuff on the analog port + */ +static const struct drm_output_funcs intel_crt_output_funcs = { +	.dpms = intel_crt_dpms, +	.save = intel_crt_save, +	.restore = intel_crt_restore, +	.mode_valid = intel_crt_mode_valid, +	.mode_fixup = intel_crt_mode_fixup, +	.prepare = intel_output_prepare, +	.mode_set = intel_crt_mode_set, +	.commit = intel_output_commit, +	.detect = intel_crt_detect, +	.get_modes = intel_crt_get_modes, +	.cleanup = intel_crt_destroy, +}; + +void intel_crt_init(drm_device_t *dev) +{ +	struct drm_output *output; +	struct intel_output *intel_output; + +	output = drm_output_create(dev, &intel_crt_output_funcs, "VGA"); + +	intel_output = kmalloc(sizeof(struct intel_output), GFP_KERNEL); +	if (!intel_output) { +		drm_output_destroy(output); +		return; +	} + +	intel_output->type = INTEL_OUTPUT_ANALOG; +	output->driver_private = intel_output; +	output->interlace_allowed = 0; +	output->doublescan_allowed = 0; +} diff --git a/linux-core/intel_display.c b/linux-core/intel_display.c new file mode 100644 index 00000000..aed86231 --- /dev/null +++ b/linux-core/intel_display.c @@ -0,0 +1,1203 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + *	Eric Anholt <eric@anholt.net> + */ + +#include <linux/i2c.h> +#include "drmP.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" + +bool intel_pipe_has_type (struct drm_crtc *crtc, int type); + +typedef struct { +    /* given values */     +    int n; +    int m1, m2; +    int p1, p2; +    /* derived values */ +    int	dot; +    int	vco; +    int	m; +    int	p; +} intel_clock_t; + +typedef struct { +    int	min, max; +} intel_range_t; + +typedef struct { +    int	dot_limit; +    int	p2_slow, p2_fast; +} intel_p2_t; + +#define INTEL_P2_NUM		      2 + +typedef struct { +    intel_range_t   dot, vco, n, m, m1, m2, p, p1; +    intel_p2_t	    p2; +} intel_limit_t; + +#define I8XX_DOT_MIN		  25000 +#define I8XX_DOT_MAX		 350000 +#define I8XX_VCO_MIN		 930000 +#define I8XX_VCO_MAX		1400000 +#define I8XX_N_MIN		      3 +#define I8XX_N_MAX		     16 +#define I8XX_M_MIN		     96 +#define I8XX_M_MAX		    140 +#define I8XX_M1_MIN		     18 +#define I8XX_M1_MAX		     26 +#define I8XX_M2_MIN		      6 +#define I8XX_M2_MAX		     16 +#define I8XX_P_MIN		      4 +#define I8XX_P_MAX		    128 +#define I8XX_P1_MIN		      2 +#define I8XX_P1_MAX		     33 +#define I8XX_P1_LVDS_MIN	      1 +#define I8XX_P1_LVDS_MAX	      6 +#define I8XX_P2_SLOW		      4 +#define I8XX_P2_FAST		      2 +#define I8XX_P2_LVDS_SLOW	      14 +#define I8XX_P2_LVDS_FAST	      14 /* No fast option */ +#define I8XX_P2_SLOW_LIMIT	 165000 + +#define I9XX_DOT_MIN		  20000 +#define I9XX_DOT_MAX		 400000 +#define I9XX_VCO_MIN		1400000 +#define I9XX_VCO_MAX		2800000 +#define I9XX_N_MIN		      3 +#define I9XX_N_MAX		      8 +#define I9XX_M_MIN		     70 +#define I9XX_M_MAX		    120 +#define I9XX_M1_MIN		     10 +#define I9XX_M1_MAX		     20 +#define I9XX_M2_MIN		      5 +#define I9XX_M2_MAX		      9 +#define I9XX_P_SDVO_DAC_MIN	      5 +#define I9XX_P_SDVO_DAC_MAX	     80 +#define I9XX_P_LVDS_MIN		      7 +#define I9XX_P_LVDS_MAX		     98 +#define I9XX_P1_MIN		      1 +#define I9XX_P1_MAX		      8 +#define I9XX_P2_SDVO_DAC_SLOW		     10 +#define I9XX_P2_SDVO_DAC_FAST		      5 +#define I9XX_P2_SDVO_DAC_SLOW_LIMIT	 200000 +#define I9XX_P2_LVDS_SLOW		     14 +#define I9XX_P2_LVDS_FAST		      7 +#define I9XX_P2_LVDS_SLOW_LIMIT		 112000 + +#define INTEL_LIMIT_I8XX_DVO_DAC    0 +#define INTEL_LIMIT_I8XX_LVDS	    1 +#define INTEL_LIMIT_I9XX_SDVO_DAC   2 +#define INTEL_LIMIT_I9XX_LVDS	    3 + +static const intel_limit_t intel_limits[] = { +    { /* INTEL_LIMIT_I8XX_DVO_DAC */ +        .dot = { .min = I8XX_DOT_MIN,		.max = I8XX_DOT_MAX }, +        .vco = { .min = I8XX_VCO_MIN,		.max = I8XX_VCO_MAX }, +        .n   = { .min = I8XX_N_MIN,		.max = I8XX_N_MAX }, +        .m   = { .min = I8XX_M_MIN,		.max = I8XX_M_MAX }, +        .m1  = { .min = I8XX_M1_MIN,		.max = I8XX_M1_MAX }, +        .m2  = { .min = I8XX_M2_MIN,		.max = I8XX_M2_MAX }, +        .p   = { .min = I8XX_P_MIN,		.max = I8XX_P_MAX }, +        .p1  = { .min = I8XX_P1_MIN,		.max = I8XX_P1_MAX }, +	.p2  = { .dot_limit = I8XX_P2_SLOW_LIMIT, +		 .p2_slow = I8XX_P2_SLOW,	.p2_fast = I8XX_P2_FAST }, +    }, +    { /* INTEL_LIMIT_I8XX_LVDS */ +        .dot = { .min = I8XX_DOT_MIN,		.max = I8XX_DOT_MAX }, +        .vco = { .min = I8XX_VCO_MIN,		.max = I8XX_VCO_MAX }, +        .n   = { .min = I8XX_N_MIN,		.max = I8XX_N_MAX }, +        .m   = { .min = I8XX_M_MIN,		.max = I8XX_M_MAX }, +        .m1  = { .min = I8XX_M1_MIN,		.max = I8XX_M1_MAX }, +        .m2  = { .min = I8XX_M2_MIN,		.max = I8XX_M2_MAX }, +        .p   = { .min = I8XX_P_MIN,		.max = I8XX_P_MAX }, +        .p1  = { .min = I8XX_P1_LVDS_MIN,	.max = I8XX_P1_LVDS_MAX }, +	.p2  = { .dot_limit = I8XX_P2_SLOW_LIMIT, +		 .p2_slow = I8XX_P2_LVDS_SLOW,	.p2_fast = I8XX_P2_LVDS_FAST }, +    }, +    { /* INTEL_LIMIT_I9XX_SDVO_DAC */ +        .dot = { .min = I9XX_DOT_MIN,		.max = I9XX_DOT_MAX }, +        .vco = { .min = I9XX_VCO_MIN,		.max = I9XX_VCO_MAX }, +        .n   = { .min = I9XX_N_MIN,		.max = I9XX_N_MAX }, +        .m   = { .min = I9XX_M_MIN,		.max = I9XX_M_MAX }, +        .m1  = { .min = I9XX_M1_MIN,		.max = I9XX_M1_MAX }, +        .m2  = { .min = I9XX_M2_MIN,		.max = I9XX_M2_MAX }, +        .p   = { .min = I9XX_P_SDVO_DAC_MIN,	.max = I9XX_P_SDVO_DAC_MAX }, +        .p1  = { .min = I9XX_P1_MIN,		.max = I9XX_P1_MAX }, +	.p2  = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT, +		 .p2_slow = I9XX_P2_SDVO_DAC_SLOW,	.p2_fast = I9XX_P2_SDVO_DAC_FAST }, +    }, +    { /* INTEL_LIMIT_I9XX_LVDS */ +        .dot = { .min = I9XX_DOT_MIN,		.max = I9XX_DOT_MAX }, +        .vco = { .min = I9XX_VCO_MIN,		.max = I9XX_VCO_MAX }, +        .n   = { .min = I9XX_N_MIN,		.max = I9XX_N_MAX }, +        .m   = { .min = I9XX_M_MIN,		.max = I9XX_M_MAX }, +        .m1  = { .min = I9XX_M1_MIN,		.max = I9XX_M1_MAX }, +        .m2  = { .min = I9XX_M2_MIN,		.max = I9XX_M2_MAX }, +        .p   = { .min = I9XX_P_LVDS_MIN,	.max = I9XX_P_LVDS_MAX }, +        .p1  = { .min = I9XX_P1_MIN,		.max = I9XX_P1_MAX }, +	/* The single-channel range is 25-112Mhz, and dual-channel +	 * is 80-224Mhz.  Prefer single channel as much as possible. +	 */ +	.p2  = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT, +		 .p2_slow = I9XX_P2_LVDS_SLOW,	.p2_fast = I9XX_P2_LVDS_FAST }, +    }, +}; + +static const intel_limit_t *intel_limit(struct drm_crtc *crtc) +{ +	drm_device_t *dev = crtc->dev; +	const intel_limit_t *limit; +	 +	if (IS_I9XX(dev)) { +		if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) +			limit = &intel_limits[INTEL_LIMIT_I9XX_LVDS]; +		else +			limit = &intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC]; +	} else { +		if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) +			limit = &intel_limits[INTEL_LIMIT_I8XX_LVDS]; +		else +			limit = &intel_limits[INTEL_LIMIT_I8XX_DVO_DAC]; +	} +	return limit; +} + +/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */ + +static void i8xx_clock(int refclk, intel_clock_t *clock) +{ +	clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2); +	clock->p = clock->p1 * clock->p2; +	clock->vco = refclk * clock->m / (clock->n + 2); +	clock->dot = clock->vco / clock->p; +} + +/** Derive the pixel clock for the given refclk and divisors for 9xx chips. */ + +static void i9xx_clock(int refclk, intel_clock_t *clock) +{ +	clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2); +	clock->p = clock->p1 * clock->p2; +	clock->vco = refclk * clock->m / (clock->n + 2); +	clock->dot = clock->vco / clock->p; +} + +static void intel_clock(struct drm_device *dev, int refclk, +			intel_clock_t *clock) +{ +	if (IS_I9XX(dev)) +		return i9xx_clock (refclk, clock); +	else +		return i8xx_clock (refclk, clock); +} + +/** + * Returns whether any output on the specified pipe is of the specified type + */ +bool intel_pipe_has_type (struct drm_crtc *crtc, int type) +{ +    struct drm_device *dev = crtc->dev; +    struct drm_mode_config *mode_config = &dev->mode_config; +    struct drm_output *l_entry; + +    list_for_each_entry(l_entry, &mode_config->output_list, head) { +	    if (l_entry->crtc == crtc) { +		    struct intel_output *intel_output = l_entry->driver_private; +		    if (intel_output->type == type) +			    return true; +	    } +    } +    return false; +} + +#define INTELPllInvalid(s)   { /* ErrorF (s) */; return false; } +/** + * Returns whether the given set of divisors are valid for a given refclk with + * the given outputs. + */ + +static bool intel_PLL_is_valid(struct drm_crtc *crtc, intel_clock_t *clock) +{ +	const intel_limit_t *limit = intel_limit (crtc); +	 +	if (clock->p1  < limit->p1.min  || limit->p1.max  < clock->p1) +		INTELPllInvalid ("p1 out of range\n"); +	if (clock->p   < limit->p.min   || limit->p.max   < clock->p) +		INTELPllInvalid ("p out of range\n"); +	if (clock->m2  < limit->m2.min  || limit->m2.max  < clock->m2) +		INTELPllInvalid ("m2 out of range\n"); +	if (clock->m1  < limit->m1.min  || limit->m1.max  < clock->m1) +		INTELPllInvalid ("m1 out of range\n"); +	if (clock->m1 <= clock->m2) +		INTELPllInvalid ("m1 <= m2\n"); +	if (clock->m   < limit->m.min   || limit->m.max   < clock->m) +		INTELPllInvalid ("m out of range\n"); +	if (clock->n   < limit->n.min   || limit->n.max   < clock->n) +		INTELPllInvalid ("n out of range\n"); +	if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) +		INTELPllInvalid ("vco out of range\n"); +	/* XXX: We may need to be checking "Dot clock" depending on the multiplier, +	 * output, etc., rather than just a single range. +	 */ +	if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) +		INTELPllInvalid ("dot out of range\n"); +	 +	return true; +} + +/** + * Returns a set of divisors for the desired target clock with the given + * refclk, or FALSE.  The returned values represent the clock equation: + * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. + */ +static bool intel_find_best_PLL(struct drm_crtc *crtc, int target, +				int refclk, intel_clock_t *best_clock) +{ +	drm_device_t *dev = crtc->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	intel_clock_t clock; +	const intel_limit_t *limit = intel_limit(crtc); +	int err = target; + +	if (IS_I9XX(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && +	    (I915_READ(LVDS) & LVDS_PORT_EN) != 0) { +		/* +		 * For LVDS, if the panel is on, just rely on its current +		 * settings for dual-channel.  We haven't figured out how to +		 * reliably set up different single/dual channel state, if we +		 * even can. +		 */ +		if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) == +		    LVDS_CLKB_POWER_UP) +			clock.p2 = limit->p2.p2_fast; +		else +			clock.p2 = limit->p2.p2_slow; +	} else { +		if (target < limit->p2.dot_limit) +			clock.p2 = limit->p2.p2_slow; +		else +			clock.p2 = limit->p2.p2_fast; +	} +	 +	memset (best_clock, 0, sizeof (*best_clock)); +	 +	for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { +		for (clock.m2 = limit->m2.min; clock.m2 < clock.m1 && +			     clock.m2 <= limit->m2.max; clock.m2++) { +			for (clock.n = limit->n.min; clock.n <= limit->n.max; +			     clock.n++) { +				for (clock.p1 = limit->p1.min; +				     clock.p1 <= limit->p1.max; clock.p1++) { +					int this_err; +					 +					intel_clock(dev, refclk, &clock); +					 +					if (!intel_PLL_is_valid(crtc, &clock)) +						continue; +					 +					this_err = abs(clock.dot - target); +					if (this_err < err) { +						*best_clock = clock; +						err = this_err; +					} +				} +			} +		} +	} + +	return (err != target); +} + +void +intel_wait_for_vblank(drm_device_t *dev) +{ +	/* Wait for 20ms, i.e. one cycle at 50hz. */ +	udelay(20000); +} + +void +intel_pipe_set_base(struct drm_crtc *crtc, int x, int y) +{ +	drm_device_t *dev = crtc->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_crtc *intel_crtc = crtc->driver_private; +	int pipe = intel_crtc->pipe; +	unsigned long Start, Offset; +	int dspbase = (pipe == 0 ? DSPABASE : DSPBBASE); +	int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF); +	 +	Start = crtc->fb->offset + dev_priv->baseaddr; +	Offset = ((y * crtc->fb->pitch + x) * (crtc->fb->bits_per_pixel / 8)); + +	DRM_DEBUG("Writing base %08lX %08lX %d %d\n", Start, Offset, x, y); +	if (IS_I965G(dev)) { +		I915_WRITE(dspbase, Offset); +		I915_READ(dspbase); +		I915_WRITE(dspsurf, Start); +		I915_READ(dspsurf); +	} else { +		I915_WRITE(dspbase, Start + Offset); +		I915_READ(dspbase); +	} +	 + +	if (!dev_priv->sarea_priv)  +		return; +		 +	switch (pipe) { +	case 0: +		dev_priv->sarea_priv->pipeA_x = x; +		dev_priv->sarea_priv->pipeA_y = y; +		break; +	case 1: +		dev_priv->sarea_priv->pipeB_x = x; +		dev_priv->sarea_priv->pipeB_y = y; +		break; +	default: +		DRM_ERROR("Can't update pipe %d in SAREA\n", pipe); +		break; +	} +} + +/** + * Sets the power management mode of the pipe and plane. + * + * This code should probably grow support for turning the cursor off and back + * on appropriately at the same time as we're turning the pipe off/on. + */ +static void intel_crtc_dpms(struct drm_crtc *crtc, int mode) +{ +	drm_device_t *dev = crtc->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_crtc *intel_crtc = crtc->driver_private; +	int pipe = intel_crtc->pipe; +	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; +	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; +	int dspbase_reg = (pipe == 0) ? DSPABASE : DSPBBASE; +	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; +	u32 temp; +	bool enabled; + +	/* XXX: When our outputs are all unaware of DPMS modes other than off +	 * and on, we should map those modes to DPMSModeOff in the CRTC. +	 */ +	switch (mode) { +	case DPMSModeOn: +	case DPMSModeStandby: +	case DPMSModeSuspend: +		/* Enable the DPLL */ +		temp = I915_READ(dpll_reg); +		if ((temp & DPLL_VCO_ENABLE) == 0) { +			I915_WRITE(dpll_reg, temp); +			I915_READ(dpll_reg); +			/* Wait for the clocks to stabilize. */ +			udelay(150); +			I915_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); +			I915_READ(dpll_reg); +			/* Wait for the clocks to stabilize. */ +			udelay(150); +			I915_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); +			I915_READ(dpll_reg); +			/* Wait for the clocks to stabilize. */ +			udelay(150); +		} +		 +		/* Enable the pipe */ +		temp = I915_READ(pipeconf_reg); +		if ((temp & PIPEACONF_ENABLE) == 0) +			I915_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE); +		 +		/* Enable the plane */ +		temp = I915_READ(dspcntr_reg); +		if ((temp & DISPLAY_PLANE_ENABLE) == 0) { +			I915_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE); +			/* Flush the plane changes */ +			I915_WRITE(dspbase_reg, I915_READ(dspbase_reg)); +		} +		 +		intel_crtc_load_lut(crtc); +		 +		/* Give the overlay scaler a chance to enable if it's on this pipe */ +		//intel_crtc_dpms_video(crtc, TRUE); TODO +	break; +	case DPMSModeOff: +		/* Give the overlay scaler a chance to disable if it's on this pipe */ +		//intel_crtc_dpms_video(crtc, FALSE); TODO +		 +		/* Disable the VGA plane that we never use */ +		I915_WRITE(VGACNTRL, VGA_DISP_DISABLE); +		 +		/* Disable display plane */ +		temp = I915_READ(dspcntr_reg); +		if ((temp & DISPLAY_PLANE_ENABLE) != 0) { +			I915_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE); +			/* Flush the plane changes */ +			I915_WRITE(dspbase_reg, I915_READ(dspbase_reg)); +			I915_READ(dspbase_reg); +		} +		 +		if (!IS_I9XX(dev)) { +			/* Wait for vblank for the disable to take effect */ +			intel_wait_for_vblank(dev); +		} +		 +		/* Next, disable display pipes */ +		temp = I915_READ(pipeconf_reg); +		if ((temp & PIPEACONF_ENABLE) != 0) { +			I915_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE); +			I915_READ(pipeconf_reg); +		} +		 +		/* Wait for vblank for the disable to take effect. */ +		intel_wait_for_vblank(dev); +		 +		temp = I915_READ(dpll_reg); +		if ((temp & DPLL_VCO_ENABLE) != 0) { +			I915_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE); +			I915_READ(dpll_reg); +		} +		 +		/* Wait for the clocks to turn off. */ +		udelay(150); +		break; +	} +	 + +	if (!dev_priv->sarea_priv) +		return; + +	enabled = crtc->enabled && mode != DPMSModeOff; +	 +	switch (pipe) { +	case 0: +		dev_priv->sarea_priv->pipeA_w = enabled ? crtc->mode.hdisplay : 0; +		dev_priv->sarea_priv->pipeA_h = enabled ? crtc->mode.vdisplay : 0; +		break; +	case 1: +		dev_priv->sarea_priv->pipeB_w = enabled ? crtc->mode.hdisplay : 0; +		dev_priv->sarea_priv->pipeB_h = enabled ? crtc->mode.vdisplay : 0; +		break; +	default: +		DRM_ERROR("Can't update pipe %d in SAREA\n", pipe); +		break; +	} +} + +static bool intel_crtc_lock(struct drm_crtc *crtc) +{ +   /* Sync the engine before mode switch */ +//   i830WaitSync(crtc->scrn); + +#if 0 // TODO def XF86DRI +    return I830DRILock(crtc->scrn); +#else +    return FALSE; +#endif +} + +static void intel_crtc_unlock (struct drm_crtc *crtc) +{ +#if 0 // TODO def XF86DRI +    I830DRIUnlock (crtc->scrn); +#endif +} + +static void intel_crtc_prepare (struct drm_crtc *crtc) +{ +	crtc->funcs->dpms(crtc, DPMSModeOff); +} + +static void intel_crtc_commit (struct drm_crtc *crtc) +{ +	crtc->funcs->dpms(crtc, DPMSModeOn); +} + +void intel_output_prepare (struct drm_output *output) +{ +	output->funcs->dpms(output, DPMSModeOff); +} + +void intel_output_commit (struct drm_output *output) +{ +	output->funcs->dpms(output, DPMSModeOn); +} + +static bool intel_crtc_mode_fixup(struct drm_crtc *crtc, +				  struct drm_display_mode *mode, +				  struct drm_display_mode *adjusted_mode) +{ +	return true; +} + + +/** Returns the core display clock speed for i830 - i945 */ +static int intel_get_core_clock_speed(drm_device_t *dev) +{ + +	/* Core clock values taken from the published datasheets. +	 * The 830 may go up to 166 Mhz, which we should check. +	 */ +	if (IS_I945G(dev)) +		return 400000; +	else if (IS_I915G(dev)) +		return 333000; +	else if (IS_I945GM(dev) || IS_845G(dev)) +		return 200000; +	else if (IS_I915GM(dev)) { +		u16 gcfgc = 0; + +		pci_read_config_word(dev->pdev, I915_GCFGC, &gcfgc); +		 +		if (gcfgc & I915_LOW_FREQUENCY_ENABLE) +			return 133000; +		else { +			switch (gcfgc & I915_DISPLAY_CLOCK_MASK) { +			case I915_DISPLAY_CLOCK_333_MHZ: +				return 333000; +			default: +			case I915_DISPLAY_CLOCK_190_200_MHZ: +				return 190000; +			} +		} +	} else if (IS_I865G(dev)) +		return 266000; +	else if (IS_I855(dev)) { +#if 0 +		PCITAG bridge = pciTag(0, 0, 0); /* This is always the host bridge */ +		u16 hpllcc = pciReadWord(bridge, I855_HPLLCC); +		 +#endif +		u16 hpllcc = 0; +		/* Assume that the hardware is in the high speed state.  This +		 * should be the default. +		 */ +		switch (hpllcc & I855_CLOCK_CONTROL_MASK) { +		case I855_CLOCK_133_200: +		case I855_CLOCK_100_200: +			return 200000; +		case I855_CLOCK_166_250: +			return 250000; +		case I855_CLOCK_100_133: +			return 133000; +		} +	} else /* 852, 830 */ +		return 133000; +	 +	return 0; /* Silence gcc warning */ +} + + +/** + * Return the pipe currently connected to the panel fitter, + * or -1 if the panel fitter is not present or not in use + */ +static int intel_panel_fitter_pipe (drm_device_t *dev) +{ +	drm_i915_private_t *dev_priv = dev->dev_private; +	u32  pfit_control; +     +	/* i830 doesn't have a panel fitter */ +	if (IS_I830(dev)) +		return -1; +     +	pfit_control = I915_READ(PFIT_CONTROL); +     +	/* See if the panel fitter is in use */ +	if ((pfit_control & PFIT_ENABLE) == 0) +		return -1; +	 +	/* 965 can place panel fitter on either pipe */ +	if (IS_I965G(dev)) +		return (pfit_control >> 29) & 0x3; +	 +	/* older chips can only use pipe 1 */ +	return 1; +} + +static void intel_crtc_mode_set(struct drm_crtc *crtc, +				struct drm_display_mode *mode, +				struct drm_display_mode *adjusted_mode, +				int x, int y) +{ +	drm_device_t *dev = crtc->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_crtc *intel_crtc = crtc->driver_private; +	int pipe = intel_crtc->pipe; +	int fp_reg = (pipe == 0) ? FPA0 : FPB0; +	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; +	int dpll_md_reg = (intel_crtc->pipe == 0) ? DPLL_A_MD : DPLL_B_MD; +	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; +	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; +	int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B; +	int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B; +	int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B; +	int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B; +	int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B; +	int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B; +	int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE; +	int dspstride_reg = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE; +	int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS; +	int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC; +	int refclk; +	intel_clock_t clock; +	u32 dpll = 0, fp = 0, dspcntr, pipeconf; +	bool ok, is_sdvo = false, is_dvo = false; +	bool is_crt = false, is_lvds = false, is_tv = false; +	struct drm_mode_config *mode_config = &dev->mode_config; +	struct drm_output *output; + +	list_for_each_entry(output, &mode_config->output_list, head) { +		struct intel_output *intel_output = output->driver_private; + +		if (output->crtc != crtc) +			continue; + +		switch (intel_output->type) { +		case INTEL_OUTPUT_LVDS: +			is_lvds = TRUE; +			break; +		case INTEL_OUTPUT_SDVO: +			is_sdvo = TRUE; +			break; +		case INTEL_OUTPUT_DVO: +			is_dvo = TRUE; +			break; +		case INTEL_OUTPUT_TVOUT: +			is_tv = TRUE; +			break; +		case INTEL_OUTPUT_ANALOG: +			is_crt = TRUE; +			break; +		} +	} +	 +	if (IS_I9XX(dev)) { +		refclk = 96000; +	} else { +		refclk = 48000; +	} + +	ok = intel_find_best_PLL(crtc, adjusted_mode->clock, refclk, &clock); +	if (!ok) { +		DRM_ERROR("Couldn't find PLL settings for mode!\n"); +		return; +	} + +	fp = clock.n << 16 | clock.m1 << 8 | clock.m2; +	 +	dpll = DPLL_VGA_MODE_DIS; +	if (IS_I9XX(dev)) { +		if (is_lvds) +			dpll |= DPLLB_MODE_LVDS; +		else +			dpll |= DPLLB_MODE_DAC_SERIAL; +		if (is_sdvo) { +			dpll |= DPLL_DVO_HIGH_SPEED; +			if (IS_I945G(dev) || IS_I945GM(dev)) { +				int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock; +				dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES; +			} +		} +		 +		/* compute bitmask from p1 value */ +		dpll |= (1 << (clock.p1 - 1)) << 16; +		switch (clock.p2) { +		case 5: +			dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; +			break; +		case 7: +			dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; +			break; +		case 10: +			dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; +			break; +		case 14: +			dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; +			break; +		} +		if (IS_I965G(dev)) +			dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); +	} else { +		if (is_lvds) { +			dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; +		} else { +			if (clock.p1 == 2) +				dpll |= PLL_P1_DIVIDE_BY_TWO; +			else +				dpll |= (clock.p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; +			if (clock.p2 == 4) +				dpll |= PLL_P2_DIVIDE_BY_4; +		} +	} +	 +	if (is_tv) { +		/* XXX: just matching BIOS for now */ +/*	dpll |= PLL_REF_INPUT_TVCLKINBC; */ +		dpll |= 3; +	} +#if 0 +	else if (is_lvds) +		dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; +#endif +	else +		dpll |= PLL_REF_INPUT_DREFCLK; +	 +	/* Set up the display plane register */ +	dspcntr = DISPPLANE_GAMMA_ENABLE; + +	switch (crtc->fb->bits_per_pixel) { +	case 8: +		dspcntr |= DISPPLANE_8BPP; +		break; +	case 16: +		if (crtc->fb->depth == 15) +			dspcntr |= DISPPLANE_15_16BPP; +		else +			dspcntr |= DISPPLANE_16BPP; +		break; +	case 32: +		dspcntr |= DISPPLANE_32BPP_NO_ALPHA; +		break; +	default: +		DRM_ERROR("Unknown color depth\n"); +		return; +	} +	 + +	if (pipe == 0) +		dspcntr |= DISPPLANE_SEL_PIPE_A; +	else +		dspcntr |= DISPPLANE_SEL_PIPE_B; +	 +	pipeconf = I915_READ(pipeconf_reg); +	if (pipe == 0 && !IS_I965G(dev)) { +		/* Enable pixel doubling when the dot clock is > 90% of the (display) +		 * core speed. +		 * +		 * XXX: No double-wide on 915GM pipe B. Is that the only reason for the +		 * pipe == 0 check? +		 */ +		if (mode->clock > intel_get_core_clock_speed(dev) * 9 / 10) +			pipeconf |= PIPEACONF_DOUBLE_WIDE; +		else +			pipeconf &= ~PIPEACONF_DOUBLE_WIDE; +	} + +	dspcntr |= DISPLAY_PLANE_ENABLE; +	pipeconf |= PIPEACONF_ENABLE; +	dpll |= DPLL_VCO_ENABLE; + +	 +	/* Disable the panel fitter if it was on our pipe */ +	if (intel_panel_fitter_pipe(dev) == pipe) +		I915_WRITE(PFIT_CONTROL, 0); + +	DRM_DEBUG("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B'); +	drm_mode_debug_printmodeline(dev, mode); +	 +#if 0 +	if (!xf86ModesEqual(mode, adjusted_mode)) { +		xf86DrvMsg(pScrn->scrnIndex, X_INFO, +			   "Adjusted mode for pipe %c:\n", pipe == 0 ? 'A' : 'B'); +		xf86PrintModeline(pScrn->scrnIndex, mode); +	} +	i830PrintPll("chosen", &clock); +#endif + +	if (dpll & DPLL_VCO_ENABLE) { +		I915_WRITE(fp_reg, fp); +		I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE); +		I915_READ(dpll_reg); +		udelay(150); +	} +	 +	/* The LVDS pin pair needs to be on before the DPLLs are enabled. +	 * This is an exception to the general rule that mode_set doesn't turn +	 * things on. +	 */ +	if (is_lvds) { +		u32 lvds = I915_READ(LVDS); +		 +		lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | LVDS_PIPEB_SELECT; +		/* Set the B0-B3 data pairs corresponding to whether we're going to +		 * set the DPLLs for dual-channel mode or not. +		 */ +		if (clock.p2 == 7) +			lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; +		else +			lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP); +		 +		/* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP) +		 * appropriately here, but we need to look more thoroughly into how +		 * panels behave in the two modes. +		 */ +		 +		I915_WRITE(LVDS, lvds); +		I915_READ(LVDS); +	} +	 +	I915_WRITE(fp_reg, fp); +	I915_WRITE(dpll_reg, dpll); +	I915_READ(dpll_reg); +	/* Wait for the clocks to stabilize. */ +	udelay(150); +	 +	if (IS_I965G(dev)) { +		int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock; +		I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) | +			   ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT)); +	} else { +		/* write it again -- the BIOS does, after all */ +		I915_WRITE(dpll_reg, dpll); +	} +	I915_READ(dpll_reg); +	/* Wait for the clocks to stabilize. */ +	udelay(150); +	 +	I915_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) | +		   ((adjusted_mode->crtc_htotal - 1) << 16)); +	I915_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | +		   ((adjusted_mode->crtc_hblank_end - 1) << 16)); +	I915_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | +		   ((adjusted_mode->crtc_hsync_end - 1) << 16)); +	I915_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | +		   ((adjusted_mode->crtc_vtotal - 1) << 16)); +	I915_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | +		   ((adjusted_mode->crtc_vblank_end - 1) << 16)); +	I915_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | +		   ((adjusted_mode->crtc_vsync_end - 1) << 16)); +	I915_WRITE(dspstride_reg, crtc->fb->pitch * (crtc->fb->bits_per_pixel / 8)); +	/* pipesrc and dspsize control the size that is scaled from, which should +	 * always be the user's requested size. +	 */ +	I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1)); +	I915_WRITE(dsppos_reg, 0); +	I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1)); +	I915_WRITE(pipeconf_reg, pipeconf); +	I915_READ(pipeconf_reg); +	 +	intel_wait_for_vblank(dev); +	 +	I915_WRITE(dspcntr_reg, dspcntr); +	 +	/* Flush the plane changes */ +	intel_pipe_set_base(crtc, x, y); +	 +#ifdef XF86DRI // TODO +//   I830DRISetVBlankInterrupt (pScrn, TRUE); +#endif +	 +	intel_wait_for_vblank(dev);     +} + +/** Loads the palette/gamma unit for the CRTC with the prepared values */ +void intel_crtc_load_lut(struct drm_crtc *crtc) +{ +	drm_device_t *dev = crtc->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_crtc *intel_crtc = crtc->driver_private; +	int palreg = (intel_crtc->pipe == 0) ? PALETTE_A : PALETTE_B; +	int i; + +	/* The clocks have to be on to load the palette. */ +	if (!crtc->enabled) +		return; + +	for (i = 0; i < 256; i++) { +		I915_WRITE(palreg + 4 * i, +			   (intel_crtc->lut_r[i] << 16) | +			   (intel_crtc->lut_g[i] << 8) | +			   intel_crtc->lut_b[i]); +	} +} + +/** Sets the color ramps on behalf of RandR */ +static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, +				 u16 *blue, int size) +{ +	struct intel_crtc *intel_crtc = crtc->driver_private; +	int i; +	 +	for (i = 0; i < 256; i++) { +		intel_crtc->lut_r[i] = red[i] >> 8; +		intel_crtc->lut_g[i] = green[i] >> 8; +		intel_crtc->lut_b[i] = blue[i] >> 8; +	} +	 +	intel_crtc_load_lut(crtc); +} + +/* Returns the clock of the currently programmed mode of the given pipe. */ +static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc) +{ +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_crtc *intel_crtc = crtc->driver_private; +	int pipe = intel_crtc->pipe; +	u32 dpll = I915_READ((pipe == 0) ? DPLL_A : DPLL_B); +	u32 fp; +	intel_clock_t clock; + +	if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) +		fp = I915_READ((pipe == 0) ? FPA0 : FPB0); +	else +		fp = I915_READ((pipe == 0) ? FPA1 : FPB1); + +	clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; +	clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; +	clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; +	if (IS_I9XX(dev)) { +		clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> +			       DPLL_FPA01_P1_POST_DIV_SHIFT); + +		switch (dpll & DPLL_MODE_MASK) { +		case DPLLB_MODE_DAC_SERIAL: +			clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? +				5 : 10; +			break; +		case DPLLB_MODE_LVDS: +			clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? +				7 : 14; +			break; +		default: +			DRM_DEBUG("Unknown DPLL mode %08x in programmed " +				  "mode\n", (int)(dpll & DPLL_MODE_MASK)); +			return 0; +		} + +		/* XXX: Handle the 100Mhz refclk */ +		i9xx_clock(96000, &clock); +	} else { +		bool is_lvds = (pipe == 1) && (I915_READ(LVDS) & LVDS_PORT_EN); + +		if (is_lvds) { +			clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> +				       DPLL_FPA01_P1_POST_DIV_SHIFT); +			clock.p2 = 14; + +			if ((dpll & PLL_REF_INPUT_MASK) == +			    PLLB_REF_INPUT_SPREADSPECTRUMIN) { +				/* XXX: might not be 66MHz */ +				i8xx_clock(66000, &clock); +			} else +				i8xx_clock(48000, &clock);		 +		} else { +			if (dpll & PLL_P1_DIVIDE_BY_TWO) +				clock.p1 = 2; +			else { +				clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> +					    DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; +			} +			if (dpll & PLL_P2_DIVIDE_BY_4) +				clock.p2 = 4; +			else +				clock.p2 = 2; + +			i8xx_clock(48000, &clock); +		} +	} + +	/* XXX: It would be nice to validate the clocks, but we can't reuse +	 * i830PllIsValid() because it relies on the xf86_config output +	 * configuration being accurate, which it isn't necessarily. +	 */ + +	return clock.dot; +} + +/** Returns the currently programmed mode of the given pipe. */ +struct drm_display_mode *intel_crtc_mode_get(drm_device_t *dev, +					     struct drm_crtc *crtc) +{ +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_crtc *intel_crtc = crtc->driver_private; +	int pipe = intel_crtc->pipe; +	struct drm_display_mode *mode; +	int htot = I915_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B); +	int hsync = I915_READ((pipe == 0) ? HSYNC_A : HSYNC_B); +	int vtot = I915_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B); +	int vsync = I915_READ((pipe == 0) ? VSYNC_A : VSYNC_B); + +	mode = kzalloc(sizeof(*mode), GFP_KERNEL); +	if (!mode) +		return NULL; + +	mode->clock = intel_crtc_clock_get(dev, crtc); +	mode->hdisplay = (htot & 0xffff) + 1; +	mode->htotal = ((htot & 0xffff0000) >> 16) + 1; +	mode->hsync_start = (hsync & 0xffff) + 1; +	mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; +	mode->vdisplay = (vtot & 0xffff) + 1; +	mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; +	mode->vsync_start = (vsync & 0xffff) + 1; +	mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; +	/* FIXME: pull name generation into a common routine */ +	snprintf(mode->name, DRM_DISPLAY_MODE_LEN, "%dx%d", mode->hdisplay, +		 mode->vdisplay); +	drm_mode_set_crtcinfo(mode, 0); + +	return mode; +} + +static const struct drm_crtc_funcs intel_crtc_funcs = { +	.dpms = intel_crtc_dpms, +	.lock = intel_crtc_lock, +	.unlock = intel_crtc_unlock, +	.mode_fixup = intel_crtc_mode_fixup, +	.mode_set = intel_crtc_mode_set, +	.gamma_set = intel_crtc_gamma_set, +	.prepare = intel_crtc_prepare, +	.commit = intel_crtc_commit, +}; + + +void intel_crtc_init(drm_device_t *dev, int pipe) +{ +	struct drm_crtc *crtc; +	struct intel_crtc *intel_crtc; +	int i; + +	crtc = drm_crtc_create(dev, &intel_crtc_funcs); +	if (crtc == NULL) +		return; + +	intel_crtc = kzalloc(sizeof(struct intel_crtc), GFP_KERNEL); +	if (intel_crtc == NULL) { +		kfree(crtc); +		return; +	} + +	intel_crtc->pipe = pipe; +	for (i = 0; i < 256; i++) { +		intel_crtc->lut_r[i] = i; +		intel_crtc->lut_g[i] = i; +		intel_crtc->lut_b[i] = i; +	} + +	crtc->driver_private = intel_crtc; +} + +int intel_output_clones(drm_device_t *dev, int type_mask) +{ +	int index_mask = 0; +	struct drm_output *output; +	int entry = 0; + +        list_for_each_entry(output, &dev->mode_config.output_list, head) { +		struct intel_output *intel_output = output->driver_private; +		if (type_mask & (1 << intel_output->type)) +			index_mask |= (1 << entry); +		entry++; +	} +	return index_mask; +} + + +static void intel_setup_outputs(drm_device_t *dev) +{ +	struct drm_output *output; + +	intel_crt_init(dev); + +	/* Set up integrated LVDS */ +	if (IS_MOBILE(dev) && !IS_I830(dev)) +		intel_lvds_init(dev); + +	if (IS_I9XX(dev)) { +		intel_sdvo_init(dev, SDVOB); +		intel_sdvo_init(dev, SDVOC); +	} + +	list_for_each_entry(output, &dev->mode_config.output_list, head) { +		struct intel_output *intel_output = output->driver_private; +		int crtc_mask = 0, clone_mask = 0; +		 +		/* valid crtcs */ +		switch(intel_output->type) { +		case INTEL_OUTPUT_DVO: +		case INTEL_OUTPUT_SDVO: +			crtc_mask = ((1 << 0)| +				     (1 << 1)); +			clone_mask = ((1 << INTEL_OUTPUT_ANALOG) | +				      (1 << INTEL_OUTPUT_DVO) | +				      (1 << INTEL_OUTPUT_SDVO)); +			break; +		case INTEL_OUTPUT_ANALOG: +			crtc_mask = ((1 << 0)); +			clone_mask = ((1 << INTEL_OUTPUT_ANALOG) | +				      (1 << INTEL_OUTPUT_DVO) | +				      (1 << INTEL_OUTPUT_SDVO)); +			break; +		case INTEL_OUTPUT_LVDS: +			crtc_mask = (1 << 1); +			clone_mask = (1 << INTEL_OUTPUT_LVDS); +			break; +		case INTEL_OUTPUT_TVOUT: +			crtc_mask = ((1 << 0) | +				     (1 << 1)); +			clone_mask = (1 << INTEL_OUTPUT_TVOUT); +			break; +		} +		output->possible_crtcs = crtc_mask; +		output->possible_clones = intel_output_clones(dev, clone_mask); +	} +} + +void intel_modeset_init(drm_device_t *dev) +{ +	int num_pipe; +	int i; + +	drm_mode_config_init(dev); + +	dev->mode_config.min_width = 0; +	dev->mode_config.min_height = 0; + +	dev->mode_config.max_width = 4096; +	dev->mode_config.max_height = 4096; + +	if (IS_MOBILE(dev) || IS_I9XX(dev)) +		num_pipe = 2; +	else +		num_pipe = 1; +	DRM_DEBUG("%d display pipe%s available.\n", +		  num_pipe, num_pipe > 1 ? "s" : ""); + +	for (i = 0; i < num_pipe; i++) { +		intel_crtc_init(dev, i); +	} + +	intel_setup_outputs(dev); + +	//drm_initial_config(dev, false); +	//drm_set_desired_modes(dev); +} + +void intel_modeset_cleanup(drm_device_t *dev) +{ +	drm_mode_config_cleanup(dev); +} diff --git a/linux-core/intel_drv.h b/linux-core/intel_drv.h new file mode 100644 index 00000000..f47e6233 --- /dev/null +++ b/linux-core/intel_drv.h @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2006 Dave Airlie <airlied@linux.ie> + * Copyright (c) 2007 Intel Corporation + *   Jesse Barnes <jesse.barnes@intel.com> + */ +#ifndef __INTEL_DRV_H__ +#define __INTEL_DRV_H__ + +#include <linux/i2c.h> +#include <linux/i2c-id.h> +#include <linux/i2c-algo-bit.h> +#include "drm_crtc.h" + +/* + * Display related stuff + */ + +/* store information about an Ixxx DVO */ +/* The i830->i865 use multiple DVOs with multiple i2cs */ +/* the i915, i945 have a single sDVO i2c bus - which is different */ +#define MAX_OUTPUTS 6 + +#define INTEL_I2C_BUS_DVO 1 +#define INTEL_I2C_BUS_SDVO 2 + +/* these are outputs from the chip - integrated only  +   external chips are via DVO or SDVO output */ +#define INTEL_OUTPUT_UNUSED 0 +#define INTEL_OUTPUT_ANALOG 1 +#define INTEL_OUTPUT_DVO 2 +#define INTEL_OUTPUT_SDVO 3 +#define INTEL_OUTPUT_LVDS 4 +#define INTEL_OUTPUT_TVOUT 5 + +#define INTEL_DVO_CHIP_NONE 0 +#define INTEL_DVO_CHIP_LVDS 1 +#define INTEL_DVO_CHIP_TMDS 2 +#define INTEL_DVO_CHIP_TVOUT 4 + +struct intel_i2c_chan { +	drm_device_t *drm_dev; /* for getting at dev. private (mmio etc.) */ +	u32 reg; /* GPIO reg */ +	struct i2c_adapter adapter; +	struct i2c_algo_bit_data algo; +        u8 slave_addr; +}; + +struct intel_output { +	int type; +	struct intel_i2c_chan *i2c_bus; /* for control functions */ +	struct intel_i2c_chan *ddc_bus; /* for DDC only stuff */ +	bool load_detect_tmp; +	void *dev_priv; +}; + +struct intel_crtc { +	int pipe; +	u8 lut_r[256], lut_g[256], lut_b[256]; +}; + +struct intel_i2c_chan *intel_i2c_create(drm_device_t *dev, const u32 reg, +					const char *name); +void intel_i2c_destroy(struct intel_i2c_chan *chan); +int intel_ddc_get_modes(struct drm_output *output); +extern bool intel_ddc_probe(struct drm_output *output); + +extern void intel_crt_init(drm_device_t *dev); +extern void intel_sdvo_init(drm_device_t *dev, int output_device); +extern void intel_lvds_init(drm_device_t *dev); + +extern void intel_crtc_load_lut(struct drm_crtc *crtc); +extern void intel_output_prepare (struct drm_output *output); +extern void intel_output_commit (struct drm_output *output); +extern struct drm_display_mode *intel_crtc_mode_get(drm_device_t *dev, +						    struct drm_crtc *crtc); +extern void intel_wait_for_vblank(drm_device_t *dev); + +#endif /* __INTEL_DRV_H__ */ diff --git a/linux-core/intel_i2c.c b/linux-core/intel_i2c.c new file mode 100644 index 00000000..d4cf7eef --- /dev/null +++ b/linux-core/intel_i2c.c @@ -0,0 +1,187 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + *	Eric Anholt <eric@anholt.net> + */ +/* + * Copyright (c) 2006 Dave Airlie <airlied@linux.ie> + *   Jesse Barnes <jesse.barnes@intel.com> + */ + +#include <linux/i2c.h> +#include <linux/i2c-id.h> +#include <linux/i2c-algo-bit.h> +#include "drmP.h" +#include "drm.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" + +/* + * Intel GPIO access functions + */ + +#define I2C_RISEFALL_TIME 20 + +static int get_clock(void *data) +{ +	struct intel_i2c_chan *chan = data; +	drm_i915_private_t *dev_priv = chan->drm_dev->dev_private; +	u32 val; + +	val = I915_READ(chan->reg); +	return ((val & GPIO_CLOCK_VAL_IN) != 0); +} + +static int get_data(void *data) +{ +	struct intel_i2c_chan *chan = data; +	drm_i915_private_t *dev_priv = chan->drm_dev->dev_private; +	u32 val; + +	val = I915_READ(chan->reg); +	return ((val & GPIO_DATA_VAL_IN) != 0); +} + +static void set_clock(void *data, int state_high) +{ +	struct intel_i2c_chan *chan = data; +	drm_device_t *dev = chan->drm_dev; +	drm_i915_private_t *dev_priv = chan->drm_dev->dev_private; +	u32 reserved = 0, clock_bits; + +	/* On most chips, these bits must be preserved in software. */ +	if (!IS_I830(dev) && !IS_845G(dev)) +		reserved = I915_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE | +						   GPIO_CLOCK_PULLUP_DISABLE); + +	if (state_high) +		clock_bits = GPIO_CLOCK_DIR_IN | GPIO_CLOCK_DIR_MASK; +	else +		clock_bits = GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_DIR_MASK | +			GPIO_CLOCK_VAL_MASK; +	I915_WRITE(chan->reg, reserved | clock_bits); +	udelay(I2C_RISEFALL_TIME); /* wait for the line to change state */ +} + +static void set_data(void *data, int state_high) +{ +	struct intel_i2c_chan *chan = data; +	drm_device_t *dev = chan->drm_dev; +	drm_i915_private_t *dev_priv = chan->drm_dev->dev_private; +	u32 reserved = 0, data_bits; + +	/* On most chips, these bits must be preserved in software. */ +	if (!IS_I830(dev) && !IS_845G(dev)) +		reserved = I915_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE | +						   GPIO_CLOCK_PULLUP_DISABLE); + +	if (state_high) +		data_bits = GPIO_DATA_DIR_IN | GPIO_DATA_DIR_MASK; +	else +		data_bits = GPIO_DATA_DIR_OUT | GPIO_DATA_DIR_MASK | +			GPIO_DATA_VAL_MASK; + +	I915_WRITE(chan->reg, reserved | data_bits); +	udelay(I2C_RISEFALL_TIME); /* wait for the line to change state */ +} + +/** + * intel_i2c_create - instantiate an Intel i2c bus using the specified GPIO reg + * @dev: DRM device + * @output: driver specific output device + * @reg: GPIO reg to use + * @name: name for this bus + * + * Creates and registers a new i2c bus with the Linux i2c layer, for use + * in output probing and control (e.g. DDC or SDVO control functions). + * + * Possible values for @reg include: + *   %GPIOA + *   %GPIOB + *   %GPIOC + *   %GPIOD + *   %GPIOE + *   %GPIOF + *   %GPIOG + *   %GPIOH + * see PRM for details on how these different busses are used. + */ +struct intel_i2c_chan *intel_i2c_create(drm_device_t *dev, const u32 reg, +					const char *name) +{ +	struct intel_i2c_chan *chan; + +	chan = kzalloc(sizeof(struct intel_i2c_chan), GFP_KERNEL); +	if (!chan) +		goto out_free; + +	chan->drm_dev = dev; +	chan->reg = reg; +	snprintf(chan->adapter.name, I2C_NAME_SIZE, "intel drm %s", name); +	chan->adapter.owner = THIS_MODULE; +	chan->adapter.id = I2C_HW_B_INTELFB; +	chan->adapter.algo_data	= &chan->algo; +	chan->adapter.dev.parent = &dev->pdev->dev; +	chan->algo.setsda = set_data; +	chan->algo.setscl = set_clock; +	chan->algo.getsda = get_data; +	chan->algo.getscl = get_clock; +	chan->algo.udelay = 20; +	chan->algo.timeout = usecs_to_jiffies(2200); +	chan->algo.data = chan; + +	i2c_set_adapdata(&chan->adapter, chan); + +	if(i2c_bit_add_bus(&chan->adapter)) +		goto out_free; + +	/* JJJ:  raise SCL and SDA? */ +	set_data(chan, 1); +	set_clock(chan, 1); +	udelay(20); + +	return chan; + +out_free: +	kfree(chan); +	return NULL; +} + +/** + * intel_i2c_destroy - unregister and free i2c bus resources + * @output: channel to free + * + * Unregister the adapter from the i2c layer, then free the structure. + */ +void intel_i2c_destroy(struct intel_i2c_chan *chan) +{ +	if (!chan) +		return; + +	i2c_del_adapter(&chan->adapter); +	kfree(chan); +} + +	 +	 diff --git a/linux-core/intel_lvds.c b/linux-core/intel_lvds.c new file mode 100644 index 00000000..e8670adc --- /dev/null +++ b/linux-core/intel_lvds.c @@ -0,0 +1,472 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * Copyright (c) 2006 Dave Airlie <airlied@linux.ie> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + *	Eric Anholt <eric@anholt.net> + *      Dave Airlie <airlied@linux.ie> + *      Jesse Barnes <jesse.barnes@intel.com> + */ + +#include <linux/i2c.h> +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" +#include "drm_edid.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" + +/** + * Sets the backlight level. + * + * \param level backlight level, from 0 to intel_lvds_get_max_backlight(). + */ +static void intel_lvds_set_backlight(struct drm_device *dev, int level) +{ +	drm_i915_private_t *dev_priv = dev->dev_private; +	u32 blc_pwm_ctl; + +	blc_pwm_ctl = I915_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK; +	I915_WRITE(BLC_PWM_CTL, (blc_pwm_ctl | +				 (level << BACKLIGHT_DUTY_CYCLE_SHIFT))); +} + +/** + * Returns the maximum level of the backlight duty cycle field. + */ +static u32 intel_lvds_get_max_backlight(struct drm_device *dev) +{ +	drm_i915_private_t *dev_priv = dev->dev_private; +     +	return ((I915_READ(BLC_PWM_CTL) & BACKLIGHT_MODULATION_FREQ_MASK) >> +		BACKLIGHT_MODULATION_FREQ_SHIFT) * 2; +} + +/** + * Sets the power state for the panel. + */ +static void intel_lvds_set_power(struct drm_device *dev, bool on) +{ +	drm_i915_private_t *dev_priv = dev->dev_private; +	u32 pp_status; + +	if (on) { +		I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) | +			   POWER_TARGET_ON); +		do { +			pp_status = I915_READ(PP_STATUS); +		} while ((pp_status & PP_ON) == 0); + +		intel_lvds_set_backlight(dev, dev_priv->backlight_duty_cycle); +	} else { +		intel_lvds_set_backlight(dev, 0); + +		I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) & +			   ~POWER_TARGET_ON); +		do { +			pp_status = I915_READ(PP_STATUS); +		} while (pp_status & PP_ON); +	} +} + +static void intel_lvds_dpms(struct drm_output *output, int mode) +{ +	struct drm_device *dev = output->dev; + +	if (mode == DPMSModeOn) +		intel_lvds_set_power(dev, true); +	else +		intel_lvds_set_power(dev, false); + +	/* XXX: We never power down the LVDS pairs. */ +} + +static void intel_lvds_save(struct drm_output *output) +{ +	struct drm_device *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; + +	dev_priv->savePP_ON = I915_READ(LVDSPP_ON); +	dev_priv->savePP_OFF = I915_READ(LVDSPP_OFF); +	dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL); +	dev_priv->savePP_CYCLE = I915_READ(PP_CYCLE); +	dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); +	dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL & +				       BACKLIGHT_DUTY_CYCLE_MASK); + +	/* +	 * If the light is off at server startup, just make it full brightness +	 */ +	if (dev_priv->backlight_duty_cycle == 0) +		dev_priv->backlight_duty_cycle = +			intel_lvds_get_max_backlight(dev); +} + +static void intel_lvds_restore(struct drm_output *output) +{ +	struct drm_device *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; + +	I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL); +	I915_WRITE(LVDSPP_ON, dev_priv->savePP_ON); +	I915_WRITE(LVDSPP_OFF, dev_priv->savePP_OFF); +	I915_WRITE(PP_CYCLE, dev_priv->savePP_CYCLE); +	I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL); +	if (dev_priv->savePP_CONTROL & POWER_TARGET_ON) +		intel_lvds_set_power(dev, true); +	else +		intel_lvds_set_power(dev, false); +} + +static int intel_lvds_mode_valid(struct drm_output *output, +				 struct drm_display_mode *mode) +{ +	struct drm_device *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct drm_display_mode *fixed_mode = dev_priv->panel_fixed_mode; + +	if (fixed_mode)	{ +		if (mode->hdisplay > fixed_mode->hdisplay) +			return MODE_PANEL; +		if (mode->vdisplay > fixed_mode->vdisplay) +			return MODE_PANEL; +	} + +	return MODE_OK; +} + +static bool intel_lvds_mode_fixup(struct drm_output *output, +				  struct drm_display_mode *mode, +				  struct drm_display_mode *adjusted_mode) +{ +	struct drm_device *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_crtc *intel_crtc = output->crtc->driver_private; +	struct drm_output *tmp_output; + +#if 0 /* FIXME: Check for other outputs on this pipe */ +	spin_lock(&dev->mode_config.config_lock); +	list_for_each_entry(tmp_output, &dev->mode_config.output_list, head) { +		if (tmp_output != output && tmp_output->crtc == output->crtc) { +			printk(KERN_ERR "Can't enable LVDS and another " +			       "output on the same pipe\n"); +			return false; +		} +	} +	spin_lock(&dev->mode_config.config_lock); +#endif + +	if (intel_crtc->pipe == 0) { +		printk(KERN_ERR "Can't support LVDS on pipe A\n"); +		return false; +	} + +	/* +	 * If we have timings from the BIOS for the panel, put them in +	 * to the adjusted mode.  The CRTC will be set up for this mode, +	 * with the panel scaling set up to source from the H/VDisplay +	 * of the original mode. +	 */ +	if (dev_priv->panel_fixed_mode != NULL) { +		adjusted_mode->hdisplay = dev_priv->panel_fixed_mode->hdisplay; +		adjusted_mode->hsync_start = +			dev_priv->panel_fixed_mode->hsync_start; +		adjusted_mode->hsync_end = +			dev_priv->panel_fixed_mode->hsync_end; +		adjusted_mode->htotal = dev_priv->panel_fixed_mode->htotal; +		adjusted_mode->vdisplay = dev_priv->panel_fixed_mode->vdisplay; +		adjusted_mode->vsync_start = +			dev_priv->panel_fixed_mode->vsync_start; +		adjusted_mode->vsync_end = +			dev_priv->panel_fixed_mode->vsync_end; +		adjusted_mode->vtotal = dev_priv->panel_fixed_mode->vtotal; +		adjusted_mode->clock = dev_priv->panel_fixed_mode->clock; +		drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); +	} + +	/* +	 * XXX: It would be nice to support lower refresh rates on the +	 * panels to reduce power consumption, and perhaps match the +	 * user's requested refresh rate. +	 */ + +	return true; +} + +static void intel_lvds_mode_set(struct drm_output *output, +				struct drm_display_mode *mode, +				struct drm_display_mode *adjusted_mode) +{ +	struct drm_device *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_crtc *intel_crtc = output->crtc->driver_private; +	u32 pfit_control; + +	/* +	 * The LVDS pin pair will already have been turned on in the +	 * intel_crtc_mode_set since it has a large impact on the DPLL +	 * settings. +	 */ + +	/* +	 * Enable automatic panel scaling so that non-native modes fill the +	 * screen.  Should be enabled before the pipe is enabled, according to +	 * register description and PRM. +	 */ +	pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE | HORIZ_AUTO_SCALE | +			VERT_INTERP_BILINEAR | HORIZ_INTERP_BILINEAR); + +	if (!IS_I965G(dev)) { +		if (dev_priv->panel_wants_dither) +			pfit_control |= PANEL_8TO6_DITHER_ENABLE; +	} +	else +		pfit_control |= intel_crtc->pipe << PFIT_PIPE_SHIFT; + +	I915_WRITE(PFIT_CONTROL, pfit_control); +} + +/** + * Detect the LVDS connection. + * + * This always returns OUTPUT_STATUS_CONNECTED.  This output should only have + * been set up if the LVDS was actually connected anyway. + */ +static enum drm_output_status intel_lvds_detect(struct drm_output *output) +{ +	return output_status_connected; +} + +/** + * Return the list of DDC modes if available, or the BIOS fixed mode otherwise. + */ +static int intel_lvds_get_modes(struct drm_output *output) +{ +	struct intel_output *intel_output = output->driver_private; +	struct drm_device *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct edid *edid_info; +	int ret = 0; + +	intel_output->ddc_bus = intel_i2c_create(dev, GPIOC, "LVDSDDC_C"); +	if (!intel_output->ddc_bus) { +		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration " +			   "failed.\n"); +		return 0; +	} +	ret = intel_ddc_get_modes(output); +	intel_i2c_destroy(intel_output->ddc_bus); + +	if (ret) +		return ret; + +	/* Didn't get an EDID */ +	if (!output->monitor_info) { +		struct detailed_data_monitor_range *edid_range; +		edid_info = kzalloc(sizeof(*output->monitor_info), GFP_KERNEL); +		if (!edid_info) +			goto out; + +		edid_info->detailed_timings[0].data.other_data.type = +			EDID_DETAIL_MONITOR_RANGE; +		edid_range = &edid_info->detailed_timings[0].data.other_data.data.range; + +		/* Set wide sync ranges so we get all modes +		 * handed to valid_mode for checking +		 */ +		edid_range->min_vfreq = 0; +		edid_range->max_vfreq = 200; +		edid_range->min_hfreq_khz = 0; +		edid_range->max_hfreq_khz = 200; +		output->monitor_info = edid_info; +	} + +out: +	if (dev_priv->panel_fixed_mode != NULL) { +		struct drm_display_mode *mode = +			drm_mode_duplicate(dev, dev_priv->panel_fixed_mode); +		drm_mode_probed_add(output, mode); +		return 1; +	} + +	return 0; +} + +static void intel_lvds_destroy(struct drm_output *output) +{ +	if (output->driver_private) +		kfree(output->driver_private); +} + +static const struct drm_output_funcs intel_lvds_output_funcs = { +	.dpms = intel_lvds_dpms, +	.save = intel_lvds_save, +	.restore = intel_lvds_restore, +	.mode_valid = intel_lvds_mode_valid, +	.mode_fixup = intel_lvds_mode_fixup, +	.prepare = intel_output_prepare, +	.mode_set = intel_lvds_mode_set, +	.commit = intel_output_commit, +	.detect = intel_lvds_detect, +	.get_modes = intel_lvds_get_modes, +	.cleanup = intel_lvds_destroy +}; + +/** + * intel_lvds_init - setup LVDS outputs on this device + * @dev: drm device + * + * Create the output, register the LVDS DDC bus, and try to figure out what + * modes we can display on the LVDS panel (if present). + */ +void intel_lvds_init(struct drm_device *dev) +{ +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct drm_output *output; +	struct intel_output *intel_output; +	struct drm_display_mode *scan; /* *modes, *bios_mode; */ + +	output = drm_output_create(dev, &intel_lvds_output_funcs, "LVDS"); +	if (!output) +		return; + +	intel_output = kmalloc(sizeof(struct intel_output), GFP_KERNEL); +	if (!intel_output) { +		drm_output_destroy(output); +		return; +	} + +	intel_output->type = INTEL_OUTPUT_LVDS; +	output->driver_private = intel_output; +	output->subpixel_order = SubPixelHorizontalRGB; +	output->interlace_allowed = FALSE; +	output->doublescan_allowed = FALSE; + +	/* Set up the DDC bus. */ +	intel_output->ddc_bus = intel_i2c_create(dev, GPIOC, "LVDSDDC_C"); +	if (!intel_output->ddc_bus) { +		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration " +			   "failed.\n"); +		return; +	} + +	/* +	 * Attempt to get the fixed panel mode from DDC.  Assume that the +	 * preferred mode is the right one. +	 */ +	intel_ddc_get_modes(output); +	intel_i2c_destroy(intel_output->ddc_bus); +	list_for_each_entry(scan, &output->probed_modes, head) { +		if (scan->type & DRM_MODE_TYPE_PREFERRED) { +			dev_priv->panel_fixed_mode =  +				drm_mode_duplicate(dev, scan); +			break; +		} +	} + +#if 0 +	/* +	 * If we didn't get EDID, try checking if the panel is already turned +	 * on.  If so, assume that whatever is currently programmed is the +	 * correct mode. +	 */ +	if (!dev_priv->panel_fixed_mode) { +		u32 lvds = I915_READ(LVDS); +		int pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0; +		struct drm_mode_config *mode_config = &dev->mode_config; +		struct drm_crtc *crtc; +		/* FIXME: need drm_crtc_from_pipe */ +		//crtc = drm_crtc_from_pipe(mode_config, pipe); +		 +		if (lvds & LVDS_PORT_EN && 0) { +			dev_priv->panel_fixed_mode = +				intel_crtc_mode_get(dev, crtc); +			if (dev_priv->panel_fixed_mode) +				dev_priv->panel_fixed_mode->type |= +					DRM_MODE_TYPE_PREFERRED; +		} +	} + +/* No BIOS poking yet... */ +	/* Get the LVDS fixed mode out of the BIOS.  We should support LVDS +	 * with the BIOS being unavailable or broken, but lack the +	 * configuration options for now. +	 */ +	bios_mode = intel_bios_get_panel_mode(pScrn); +	if (bios_mode != NULL) { +		if (dev_priv->panel_fixed_mode != NULL) { +			if (dev_priv->debug_modes && +			    !xf86ModesEqual(dev_priv->panel_fixed_mode, +					    bios_mode)) +			{ +				xf86DrvMsg(pScrn->scrnIndex, X_WARNING, +					   "BIOS panel mode data doesn't match probed data, " +					   "continuing with probed.\n"); +				xf86DrvMsg(pScrn->scrnIndex, X_INFO, "BIOS mode:\n"); +				xf86PrintModeline(pScrn->scrnIndex, bios_mode); +				xf86DrvMsg(pScrn->scrnIndex, X_INFO, "probed mode:\n"); +				xf86PrintModeline(pScrn->scrnIndex, dev_priv->panel_fixed_mode); +				xfree(bios_mode->name); +				xfree(bios_mode); +			} +		}  else { +			dev_priv->panel_fixed_mode = bios_mode; +		} +	} else { +		xf86DrvMsg(pScrn->scrnIndex, X_WARNING, +			   "Couldn't detect panel mode.  Disabling panel\n"); +		goto disable_exit; +	} + +	/* Blacklist machines with BIOSes that list an LVDS panel without actually +	 * having one. +	 */ +	if (dev_priv->PciInfo->chipType == PCI_CHIP_I945_GM) { +		if (dev_priv->PciInfo->subsysVendor == 0xa0a0)  /* aopen mini pc */ +			goto disable_exit; + +		if ((dev_priv->PciInfo->subsysVendor == 0x8086) && +		    (dev_priv->PciInfo->subsysCard == 0x7270)) { +			/* It's a Mac Mini or Macbook Pro. +			 * +			 * Apple hardware is out to get us.  The macbook pro has a real +			 * LVDS panel, but the mac mini does not, and they have the same +			 * device IDs.  We'll distinguish by panel size, on the assumption +			 * that Apple isn't about to make any machines with an 800x600 +			 * display. +			 */ + +			if (dev_priv->panel_fixed_mode != NULL && +			    dev_priv->panel_fixed_mode->HDisplay == 800 && +			    dev_priv->panel_fixed_mode->VDisplay == 600) +			{ +				xf86DrvMsg(pScrn->scrnIndex, X_INFO, +					   "Suspected Mac Mini, ignoring the LVDS\n"); +				goto disable_exit; +			} +		} +	} + +#endif +	return; +} diff --git a/linux-core/intel_modes.c b/linux-core/intel_modes.c new file mode 100644 index 00000000..601770e1 --- /dev/null +++ b/linux-core/intel_modes.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> + * Copyright (c) 2007 Intel Corporation + *   Jesse Barnes <jesse.barnes@intel.com> + */ + +#include <linux/i2c.h> +#include <linux/fb.h> +#include "drmP.h" +#include "intel_drv.h" + +/** + * intel_ddc_probe + * + */ +bool intel_ddc_probe(struct drm_output *output) +{ +	struct intel_output *intel_output = output->driver_private; +	u8 out_buf[] = { 0x0, 0x0}; +	u8 buf[2]; +	int ret; +	struct i2c_msg msgs[] = { +		{ +			.addr = 0x50, +			.flags = 0, +			.len = 1, +			.buf = out_buf, +		}, +		{ +			.addr = 0x50, +			.flags = I2C_M_RD, +			.len = 1, +			.buf = buf, +		} +	}; + +	ret = i2c_transfer(&intel_output->ddc_bus->adapter, msgs, 2); +	if (ret == 2) +		return true; + +	return false; +} + +/** + * intel_ddc_get_modes - get modelist from monitor + * @output: DRM output device to use + * + * Fetch the EDID information from @output using the DDC bus. + */ +int intel_ddc_get_modes(struct drm_output *output) +{ +	struct intel_output *intel_output = output->driver_private; + +	return drm_add_edid_modes(output, &intel_output->ddc_bus->adapter); +} diff --git a/linux-core/intel_sdvo.c b/linux-core/intel_sdvo.c new file mode 100644 index 00000000..1b45afdb --- /dev/null +++ b/linux-core/intel_sdvo.c @@ -0,0 +1,1059 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + *	Eric Anholt <eric@anholt.net> + */ +/* + * Copyright 2006 Dave Airlie <airlied@linux.ie> + *   Jesse Barnes <jesse.barnes@intel.com> + */ + +#include <linux/i2c.h> +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" +#include "intel_sdvo_regs.h" + +struct intel_sdvo_priv { +	struct intel_i2c_chan *i2c_bus; +	int slaveaddr; +	int output_device; + +	u16 active_outputs; + +	struct intel_sdvo_caps caps; +	int pixel_clock_min, pixel_clock_max; + +	int save_sdvo_mult; +	u16 save_active_outputs; +	struct intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2; +	struct intel_sdvo_dtd save_output_dtd[16]; +	u32 save_SDVOX; +}; + +/** + * Writes the SDVOB or SDVOC with the given value, but always writes both + * SDVOB and SDVOC to work around apparent hardware issues (according to + * comments in the BIOS). + */ +static void intel_sdvo_write_sdvox(struct drm_output *output, u32 val) +{ +	drm_device_t *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_output *intel_output = output->driver_private; +	struct intel_sdvo_priv   *sdvo_priv = intel_output->dev_priv; +	u32 bval = val, cval = val; +	int i; + +	if (sdvo_priv->output_device == SDVOB) +		cval = I915_READ(SDVOC); +	else +		bval = I915_READ(SDVOB); +	 +	/* +	 * Write the registers twice for luck. Sometimes, +	 * writing them only once doesn't appear to 'stick'. +	 * The BIOS does this too. Yay, magic +	 */ +	for (i = 0; i < 2; i++) +	{ +		I915_WRITE(SDVOB, bval); +		I915_READ(SDVOB); +		I915_WRITE(SDVOC, cval); +		I915_READ(SDVOC); +	} +} + +static bool intel_sdvo_read_byte(struct drm_output *output, u8 addr, +				 u8 *ch) +{ +	struct intel_output *intel_output = output->driver_private; +	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; +	u8 out_buf[2]; +	u8 buf[2]; +	int ret; + +	struct i2c_msg msgs[] = { +		{  +			.addr = sdvo_priv->i2c_bus->slave_addr, +			.flags = 0, +			.len = 1, +			.buf = out_buf, +		},  +		{ +			.addr = sdvo_priv->i2c_bus->slave_addr, +			.flags = I2C_M_RD, +			.len = 1, +			.buf = buf, +		} +	}; + +	out_buf[0] = addr; +	out_buf[1] = 0; + +	if ((ret = i2c_transfer(&sdvo_priv->i2c_bus->adapter, msgs, 2)) == 2) +	{ +//		DRM_DEBUG("got back from addr %02X = %02x\n", out_buf[0], buf[0]);  +		*ch = buf[0]; +		return true; +	} + +	DRM_DEBUG("i2c transfer returned %d\n", ret); +	return false; +} + + +static bool intel_sdvo_read_byte_quiet(struct drm_output *output, int addr, +				       u8 *ch) +{ +	return true; + +} + +static bool intel_sdvo_write_byte(struct drm_output *output, int addr, +				  u8 ch) +{ +	struct intel_output *intel_output = output->driver_private; +	u8 out_buf[2]; +	struct i2c_msg msgs[] = { +		{  +			.addr = intel_output->i2c_bus->slave_addr, +			.flags = 0, +			.len = 2, +			.buf = out_buf, +		} +	}; + +	out_buf[0] = addr; +	out_buf[1] = ch; + +	if (i2c_transfer(&intel_output->i2c_bus->adapter, msgs, 1) == 1) +	{ +		return true; +	} +	return false; +} + +#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd} +/** Mapping of command numbers to names, for debug output */ +const static struct _sdvo_cmd_name { +    u8 cmd; +    char *name; +} sdvo_cmd_names[] = { +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_RESOLUTION_SUPPORT), +    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH), +}; + +#define SDVO_NAME(dev_priv) ((dev_priv)->output_device == SDVOB ? "SDVOB" : "SDVOC") +#define SDVO_PRIV(output)   ((struct intel_sdvo_priv *) (output)->dev_priv) + +static void intel_sdvo_write_cmd(struct drm_output *output, u8 cmd, +				 void *args, int args_len) +{ +	struct intel_output *intel_output = output->driver_private; +	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; +	int i; + +        if (1) { +                printk("%s: W: %02X ", SDVO_NAME(sdvo_priv), cmd); +                for (i = 0; i < args_len; i++) +                        printk("%02X ", ((u8 *)args)[i]); +                for (; i < 8; i++) +                        printk("   "); +                for (i = 0; i < sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]); i++) { +                        if (cmd == sdvo_cmd_names[i].cmd) { +                                printk("(%s)", sdvo_cmd_names[i].name); +                                break; +                        } +                } +                if (i == sizeof(sdvo_cmd_names)/ sizeof(sdvo_cmd_names[0])) +                        printk("(%02X)",cmd); +                printk("\n"); +        } +                         +	for (i = 0; i < args_len; i++) { +		intel_sdvo_write_byte(output, SDVO_I2C_ARG_0 - i, ((u8*)args)[i]); +	} + +	intel_sdvo_write_byte(output, SDVO_I2C_OPCODE, cmd); +} + +static const char *cmd_status_names[] = { +	"Power on", +	"Success", +	"Not supported", +	"Invalid arg", +	"Pending", +	"Target not specified", +	"Scaling not supported" +}; + +static u8 intel_sdvo_read_response(struct drm_output *output, void *response, +				   int response_len) +{ +	struct intel_output *intel_output = output->driver_private; +	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; +	int i; +	u8 status; + +	/* Read the command response */ +	for (i = 0; i < response_len; i++) { +		intel_sdvo_read_byte(output, SDVO_I2C_RETURN_0 + i, +				     &((u8 *)response)[i]); +	} + +	/* read the return status */ +	intel_sdvo_read_byte(output, SDVO_I2C_CMD_STATUS, &status); + +        if (1) { +                printk("%s: R: ", SDVO_NAME(sdvo_priv)); +                for (i = 0; i < response_len; i++) +                        printk("%02X ", ((u8 *)response)[i]); +                for (; i < 8; i++) +                        printk("   "); +                if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP) +                        printk("(%s)", cmd_status_names[status]); +                else +                        printk("(??? %d)", status); +                printk("\n"); +        } +	return status; + +} + +int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode) +{ +	if (mode->clock >= 100000) +		return 1; +	else if (mode->clock >= 50000) +		return 2; +	else +		return 4; +} + +static void intel_sdvo_set_control_bus_switch(struct drm_output *output, u8 target) +{ +	intel_sdvo_write_cmd(output, SDVO_CMD_SET_CONTROL_BUS_SWITCH, &target, 1); +} + +static bool intel_sdvo_set_target_input(struct drm_output *output, bool target_0, bool target_1) +{ +	struct intel_sdvo_set_target_input_args targets = {0}; +	u8 status; + +	if (target_0 && target_1) +		return SDVO_CMD_STATUS_NOTSUPP; + +	if (target_1) +		targets.target_1 = 1; + +	intel_sdvo_write_cmd(output, SDVO_CMD_SET_TARGET_INPUT, &targets, +			     sizeof(targets)); + +	status = intel_sdvo_read_response(output, NULL, 0); + +	return (status == SDVO_CMD_STATUS_SUCCESS); +} + +/** + * Return whether each input is trained. + * + * This function is making an assumption about the layout of the response, + * which should be checked against the docs. + */ +static bool intel_sdvo_get_trained_inputs(struct drm_output *output, bool *input_1, bool *input_2) +{ +	struct intel_sdvo_get_trained_inputs_response response; +	u8 status; + +	intel_sdvo_write_cmd(output, SDVO_CMD_GET_TRAINED_INPUTS, NULL, 0); +	status = intel_sdvo_read_response(output, &response, sizeof(response)); +	if (status != SDVO_CMD_STATUS_SUCCESS) +		return false; + +	*input_1 = response.input0_trained; +	*input_2 = response.input1_trained; +	return true; +} + +static bool intel_sdvo_get_active_outputs(struct drm_output *output, +					  u16 *outputs) +{ +	u8 status; + +	intel_sdvo_write_cmd(output, SDVO_CMD_GET_ACTIVE_OUTPUTS, NULL, 0); +	status = intel_sdvo_read_response(output, outputs, sizeof(*outputs)); + +	return (status == SDVO_CMD_STATUS_SUCCESS); +} + +static bool intel_sdvo_set_active_outputs(struct drm_output *output, +					  u16 outputs) +{ +	u8 status; + +	intel_sdvo_write_cmd(output, SDVO_CMD_SET_ACTIVE_OUTPUTS, &outputs, +			     sizeof(outputs)); +	status = intel_sdvo_read_response(output, NULL, 0); +	return (status == SDVO_CMD_STATUS_SUCCESS); +} + +static bool intel_sdvo_set_encoder_power_state(struct drm_output *output, +					       int mode) +{ +	u8 status, state = SDVO_ENCODER_STATE_ON; + +	switch (mode) { +	case DPMSModeOn: +		state = SDVO_ENCODER_STATE_ON; +		break; +	case DPMSModeStandby: +		state = SDVO_ENCODER_STATE_STANDBY; +		break; +	case DPMSModeSuspend: +		state = SDVO_ENCODER_STATE_SUSPEND; +		break; +	case DPMSModeOff: +		state = SDVO_ENCODER_STATE_OFF; +		break; +	} +	 +	intel_sdvo_write_cmd(output, SDVO_CMD_SET_ENCODER_POWER_STATE, &state, +			     sizeof(state)); +	status = intel_sdvo_read_response(output, NULL, 0); + +	return (status == SDVO_CMD_STATUS_SUCCESS); +} + +static bool intel_sdvo_get_input_pixel_clock_range(struct drm_output *output, +						   int *clock_min, +						   int *clock_max) +{ +	struct intel_sdvo_pixel_clock_range clocks; +	u8 status; + +	intel_sdvo_write_cmd(output, SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE, +			     NULL, 0); + +	status = intel_sdvo_read_response(output, &clocks, sizeof(clocks)); + +	if (status != SDVO_CMD_STATUS_SUCCESS) +		return false; + +	/* Convert the values from units of 10 kHz to kHz. */ +	*clock_min = clocks.min * 10; +	*clock_max = clocks.max * 10; + +	return true; +} + +static bool intel_sdvo_set_target_output(struct drm_output *output, +					 u16 outputs) +{ +	u8 status; + +	intel_sdvo_write_cmd(output, SDVO_CMD_SET_TARGET_OUTPUT, &outputs, +			     sizeof(outputs)); + +	status = intel_sdvo_read_response(output, NULL, 0); +	return (status == SDVO_CMD_STATUS_SUCCESS); +} + +static bool intel_sdvo_get_timing(struct drm_output *output, u8 cmd, +				  struct intel_sdvo_dtd *dtd) +{ +	u8 status; + +	intel_sdvo_write_cmd(output, cmd, NULL, 0); +	status = intel_sdvo_read_response(output, &dtd->part1, +					  sizeof(dtd->part1)); +	if (status != SDVO_CMD_STATUS_SUCCESS) +		return false; + +	intel_sdvo_write_cmd(output, cmd + 1, NULL, 0); +	status = intel_sdvo_read_response(output, &dtd->part2, +					  sizeof(dtd->part2)); +	if (status != SDVO_CMD_STATUS_SUCCESS) +		return false; + +	return true; +} + +static bool intel_sdvo_get_input_timing(struct drm_output *output, +					 struct intel_sdvo_dtd *dtd) +{ +	return intel_sdvo_get_timing(output, +				     SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd); +} + +static bool intel_sdvo_get_output_timing(struct drm_output *output, +					 struct intel_sdvo_dtd *dtd) +{ +	return intel_sdvo_get_timing(output, +				     SDVO_CMD_GET_OUTPUT_TIMINGS_PART1, dtd); +} + +static bool intel_sdvo_set_timing(struct drm_output *output, u8 cmd, +				  struct intel_sdvo_dtd *dtd) +{ +	u8 status; + +	intel_sdvo_write_cmd(output, cmd, &dtd->part1, sizeof(dtd->part1)); +	status = intel_sdvo_read_response(output, NULL, 0); +	if (status != SDVO_CMD_STATUS_SUCCESS) +		return false; + +	intel_sdvo_write_cmd(output, cmd + 1, &dtd->part2, sizeof(dtd->part2)); +	status = intel_sdvo_read_response(output, NULL, 0); +	if (status != SDVO_CMD_STATUS_SUCCESS) +		return false; + +	return true; +} + +static bool intel_sdvo_set_input_timing(struct drm_output *output, +					 struct intel_sdvo_dtd *dtd) +{ +	return intel_sdvo_set_timing(output, +				     SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd); +} + +static bool intel_sdvo_set_output_timing(struct drm_output *output, +					 struct intel_sdvo_dtd *dtd) +{ +	return intel_sdvo_set_timing(output, +				     SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd); +} + +#if 0 +static bool intel_sdvo_get_preferred_input_timing(struct drm_output *output, +						  struct intel_sdvo_dtd *dtd) +{ +	struct intel_output *intel_output = output->driver_private; +	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; +	u8 status; + +	intel_sdvo_write_cmd(output, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1, +			     NULL, 0); + +	status = intel_sdvo_read_response(output, &dtd->part1, +					  sizeof(dtd->part1)); +	if (status != SDVO_CMD_STATUS_SUCCESS) +		return false; + +	intel_sdvo_write_cmd(output, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2, +			     NULL, 0); +	status = intel_sdvo_read_response(output, &dtd->part2, +					  sizeof(dtd->part2)); +	if (status != SDVO_CMD_STATUS_SUCCESS) +		return false; + +	return true; +} +#endif + +static int intel_sdvo_get_clock_rate_mult(struct drm_output *output) +{ +	struct intel_output *intel_output = output->driver_private; +	u8 response, status; + +	intel_sdvo_write_cmd(output, SDVO_CMD_GET_CLOCK_RATE_MULT, NULL, 0); +	status = intel_sdvo_read_response(output, &response, 1); + +	if (status != SDVO_CMD_STATUS_SUCCESS) { +		DRM_DEBUG("Couldn't get SDVO clock rate multiplier\n"); +		return SDVO_CLOCK_RATE_MULT_1X; +	} else { +		DRM_DEBUG("Current clock rate multiplier: %d\n", response); +	} + +	return response; +} + +static bool intel_sdvo_set_clock_rate_mult(struct drm_output *output, u8 val) +{ +	u8 status; + +	intel_sdvo_write_cmd(output, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1); +	status = intel_sdvo_read_response(output, NULL, 0); +	if (status != SDVO_CMD_STATUS_SUCCESS) +		return false; + +	return true; +} + +static bool intel_sdvo_mode_fixup(struct drm_output *output, +				  struct drm_display_mode *mode, +				  struct drm_display_mode *adjusted_mode) +{ +	/* Make the CRTC code factor in the SDVO pixel multiplier.  The SDVO +	 * device will be told of the multiplier during mode_set. +	 */ +	adjusted_mode->clock *= intel_sdvo_get_pixel_multiplier(mode); +	return true; +} + +static void intel_sdvo_mode_set(struct drm_output *output, +				struct drm_display_mode *mode, +				struct drm_display_mode *adjusted_mode) +{ +	drm_device_t *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct drm_crtc *crtc = output->crtc; +	struct intel_crtc *intel_crtc = crtc->driver_private; +	struct intel_output *intel_output = output->driver_private; +	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; +	u16 width, height; +	u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len; +	u16 h_sync_offset, v_sync_offset; +	u32 sdvox; +	struct intel_sdvo_dtd output_dtd; +	int sdvo_pixel_multiply; + +	if (!mode) +		return; + +	width = mode->crtc_hdisplay; +	height = mode->crtc_vdisplay; + +	/* do some mode translations */ +	h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start; +	h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start; + +	v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start; +	v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start; + +	h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start; +	v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start; + +	output_dtd.part1.clock = mode->clock / 10; +	output_dtd.part1.h_active = width & 0xff; +	output_dtd.part1.h_blank = h_blank_len & 0xff; +	output_dtd.part1.h_high = (((width >> 8) & 0xf) << 4) | +		((h_blank_len >> 8) & 0xf); +	output_dtd.part1.v_active = height & 0xff; +	output_dtd.part1.v_blank = v_blank_len & 0xff; +	output_dtd.part1.v_high = (((height >> 8) & 0xf) << 4) | +		((v_blank_len >> 8) & 0xf); +	 +	output_dtd.part2.h_sync_off = h_sync_offset; +	output_dtd.part2.h_sync_width = h_sync_len & 0xff; +	output_dtd.part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 | +		(v_sync_len & 0xf); +	output_dtd.part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) | +		((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) | +		((v_sync_len & 0x30) >> 4); +	 +	output_dtd.part2.dtd_flags = 0x18; +	if (mode->flags & V_PHSYNC) +		output_dtd.part2.dtd_flags |= 0x2; +	if (mode->flags & V_PVSYNC) +		output_dtd.part2.dtd_flags |= 0x4; + +	output_dtd.part2.sdvo_flags = 0; +	output_dtd.part2.v_sync_off_high = v_sync_offset & 0xc0; +	output_dtd.part2.reserved = 0; + +	/* Set the output timing to the screen */ +	intel_sdvo_set_target_output(output, sdvo_priv->active_outputs); +	intel_sdvo_set_output_timing(output, &output_dtd); + +	/* Set the input timing to the screen. Assume always input 0. */ +	intel_sdvo_set_target_input(output, true, false); + +	/* We would like to use i830_sdvo_create_preferred_input_timing() to +	 * provide the device with a timing it can support, if it supports that +	 * feature.  However, presumably we would need to adjust the CRTC to +	 * output the preferred timing, and we don't support that currently. +	 */ +#if 0 +	success = intel_sdvo_create_preferred_input_timing(output, clock, +							   width, height); +	if (success) { +		struct intel_sdvo_dtd *input_dtd; +		 +		intel_sdvo_get_preferred_input_timing(output, &input_dtd); +		intel_sdvo_set_input_timing(output, &input_dtd); +	} +#else +	intel_sdvo_set_input_timing(output, &output_dtd); +#endif	 + +	switch (intel_sdvo_get_pixel_multiplier(mode)) { +	case 1: +		intel_sdvo_set_clock_rate_mult(output, +					       SDVO_CLOCK_RATE_MULT_1X); +		break; +	case 2: +		intel_sdvo_set_clock_rate_mult(output, +					       SDVO_CLOCK_RATE_MULT_2X); +		break; +	case 4: +		intel_sdvo_set_clock_rate_mult(output, +					       SDVO_CLOCK_RATE_MULT_4X); +		break; +	}	 + +	/* Set the SDVO control regs. */ +        if (0/*IS_I965GM(dev)*/) { +                sdvox = SDVO_BORDER_ENABLE; +        } else { +                sdvox = I915_READ(sdvo_priv->output_device); +                switch (sdvo_priv->output_device) { +                case SDVOB: +                        sdvox &= SDVOB_PRESERVE_MASK; +                        break; +                case SDVOC: +                        sdvox &= SDVOC_PRESERVE_MASK; +                        break; +                } +                sdvox |= (9 << 19) | SDVO_BORDER_ENABLE; +        } +	if (intel_crtc->pipe == 1) +		sdvox |= SDVO_PIPE_B_SELECT; + +	sdvo_pixel_multiply = intel_sdvo_get_pixel_multiplier(mode); +	if (IS_I965G(dev)) { +		/* done in crtc_mode_set as the dpll_md reg must be written  +		   early */ +	} else if (IS_I945G(dev) || IS_I945GM(dev)) { +		/* done in crtc_mode_set as it lives inside the  +		   dpll register */ +	} else { +		sdvox |= (sdvo_pixel_multiply - 1) << SDVO_PORT_MULTIPLY_SHIFT; +	} + +	intel_sdvo_write_sdvox(output, sdvox); +} + +static void intel_sdvo_dpms(struct drm_output *output, int mode) +{ +	drm_device_t *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_output *intel_output = output->driver_private; +	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; +	u32 temp; + +	if (mode != DPMSModeOn) { +		intel_sdvo_set_active_outputs(output, 0); +		if (0) +			intel_sdvo_set_encoder_power_state(output, mode); + +		if (mode == DPMSModeOff) { +			temp = I915_READ(sdvo_priv->output_device); +			if ((temp & SDVO_ENABLE) != 0) { +				intel_sdvo_write_sdvox(output, temp & ~SDVO_ENABLE); +			} +		} +	} else { +		bool input1, input2; +		int i; +		u8 status; +		 +		temp = I915_READ(sdvo_priv->output_device); +		if ((temp & SDVO_ENABLE) == 0) +			intel_sdvo_write_sdvox(output, temp | SDVO_ENABLE); +		for (i = 0; i < 2; i++) +		  intel_wait_for_vblank(dev); +		 +		status = intel_sdvo_get_trained_inputs(output, &input1, +						       &input2); + +		 +		/* Warn if the device reported failure to sync. */ +		if (status == SDVO_CMD_STATUS_SUCCESS && !input1) { +			DRM_ERROR("First %s output reported failure to sync\n", +				   SDVO_NAME(sdvo_priv)); +		} +		 +		if (0) +			intel_sdvo_set_encoder_power_state(output, mode); +		intel_sdvo_set_active_outputs(output, sdvo_priv->active_outputs); +	}	 +	return; +} + +static void intel_sdvo_save(struct drm_output *output) +{ +	drm_device_t *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_output *intel_output = output->driver_private; +	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; +	int o; + +	sdvo_priv->save_sdvo_mult = intel_sdvo_get_clock_rate_mult(output); +	intel_sdvo_get_active_outputs(output, &sdvo_priv->save_active_outputs); + +	if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) { +		intel_sdvo_set_target_input(output, true, false); +		intel_sdvo_get_input_timing(output, +					    &sdvo_priv->save_input_dtd_1); +	} + +	if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) { +		intel_sdvo_set_target_input(output, false, true); +		intel_sdvo_get_input_timing(output, +					    &sdvo_priv->save_input_dtd_2); +	} + +	for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++) +	{ +	        u16  this_output = (1 << o); +		if (sdvo_priv->caps.output_flags & this_output) +		{ +			intel_sdvo_set_target_output(output, this_output); +			intel_sdvo_get_output_timing(output, +						     &sdvo_priv->save_output_dtd[o]); +		} +	} + +	sdvo_priv->save_SDVOX = I915_READ(sdvo_priv->output_device); +} + +static void intel_sdvo_restore(struct drm_output *output) +{ +	drm_device_t *dev = output->dev; +	drm_i915_private_t *dev_priv = dev->dev_private; +	struct intel_output *intel_output = output->driver_private; +	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; +	int o; +	int i; +	bool input1, input2; +	u8 status; + +	intel_sdvo_set_active_outputs(output, 0); + +	for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++) +	{ +		u16  this_output = (1 << o); +		if (sdvo_priv->caps.output_flags & this_output) { +			intel_sdvo_set_target_output(output, this_output); +			intel_sdvo_set_output_timing(output, &sdvo_priv->save_output_dtd[o]); +		} +	} + +	if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) { +		intel_sdvo_set_target_input(output, true, false); +		intel_sdvo_set_input_timing(output, &sdvo_priv->save_input_dtd_1); +	} + +	if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) { +		intel_sdvo_set_target_input(output, false, true); +		intel_sdvo_set_input_timing(output, &sdvo_priv->save_input_dtd_2); +	} +	 +	intel_sdvo_set_clock_rate_mult(output, sdvo_priv->save_sdvo_mult); +	 +	I915_WRITE(sdvo_priv->output_device, sdvo_priv->save_SDVOX); +	 +	if (sdvo_priv->save_SDVOX & SDVO_ENABLE) +	{ +		for (i = 0; i < 2; i++) +			intel_wait_for_vblank(dev); +		status = intel_sdvo_get_trained_inputs(output, &input1, &input2); +		if (status == SDVO_CMD_STATUS_SUCCESS && !input1) +			DRM_DEBUG("First %s output reported failure to sync\n", +				   SDVO_NAME(sdvo_priv)); +	} +	 +	intel_sdvo_set_active_outputs(output, sdvo_priv->save_active_outputs); +} + +static int intel_sdvo_mode_valid(struct drm_output *output, +				 struct drm_display_mode *mode) +{ +	struct intel_output *intel_output = output->driver_private; +	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + +	if (mode->flags & V_DBLSCAN) +		return MODE_NO_DBLESCAN; + +	if (sdvo_priv->pixel_clock_min > mode->clock) +		return MODE_CLOCK_HIGH; + +	if (sdvo_priv->pixel_clock_max < mode->clock) +		return MODE_CLOCK_LOW; + +	return MODE_OK; +} + +static bool intel_sdvo_get_capabilities(struct drm_output *output, struct intel_sdvo_caps *caps) +{ +	u8 status; + +	intel_sdvo_write_cmd(output, SDVO_CMD_GET_DEVICE_CAPS, NULL, 0); +	status = intel_sdvo_read_response(output, caps, sizeof(*caps)); +	if (status != SDVO_CMD_STATUS_SUCCESS) +		return false; + +	return true; +} + + +static void intel_sdvo_dump_cmd(struct drm_output *output, int opcode) +{ + + +} + +static void intel_sdvo_dump_device(struct drm_output *output) +{ + +} + +void intel_sdvo_dump(void) +{ + +} + + +static enum drm_output_status intel_sdvo_detect(struct drm_output *output) +{ +	u8 response[2]; +	u8 status; + +	intel_sdvo_write_cmd(output, SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0); +	status = intel_sdvo_read_response(output, &response, 2); + +	if (status != SDVO_CMD_STATUS_SUCCESS) +		return output_status_unknown; + +	DRM_DEBUG("SDVO response %d %d\n", response[0], response[1]); +	if ((response[0] != 0) || (response[1] != 0)) +		return output_status_connected; +	else +		return output_status_disconnected; +} + +static int intel_sdvo_get_modes(struct drm_output *output) +{ +	struct drm_display_mode *modes; + +	/* set the bus switch and get the modes */ +	intel_sdvo_set_control_bus_switch(output, SDVO_CONTROL_BUS_DDC2); +	intel_ddc_get_modes(output); + +	if (list_empty(&output->probed_modes)) +		return 0; +	return 1; +#if 0 +	/* Mac mini hack.  On this device, I get DDC through the analog, which +	 * load-detects as disconnected.  I fail to DDC through the SDVO DDC, +	 * but it does load-detect as connected.  So, just steal the DDC bits  +	 * from analog when we fail at finding it the right way. +	 */ +	/* TODO */ +	return NULL; + +	return NULL; +#endif +} + +static void intel_sdvo_destroy(struct drm_output *output) +{ +	struct intel_output *intel_output = output->driver_private; + +	if (intel_output->i2c_bus) +		intel_i2c_destroy(intel_output->i2c_bus); + +	if (intel_output) { +		kfree(intel_output); +		output->driver_private = NULL; +	} +} + +static const struct drm_output_funcs intel_sdvo_output_funcs = { +	.dpms = intel_sdvo_dpms, +	.save = intel_sdvo_save, +	.restore = intel_sdvo_restore, +	.mode_valid = intel_sdvo_mode_valid, +	.mode_fixup = intel_sdvo_mode_fixup, +	.prepare = intel_output_prepare, +	.mode_set = intel_sdvo_mode_set, +	.commit = intel_output_commit, +	.detect = intel_sdvo_detect, +	.get_modes = intel_sdvo_get_modes, +	.cleanup = intel_sdvo_destroy +}; + +void intel_sdvo_init(drm_device_t *dev, int output_device) +{ +	struct drm_output *output; +	struct intel_output *intel_output; +	struct intel_sdvo_priv *sdvo_priv; +	struct intel_i2c_chan *i2cbus = NULL; +	u8 ch[0x40]; +	int i; +	char name[DRM_OUTPUT_LEN]; +	char *name_prefix; +	char *name_suffix; +	 + +	output = drm_output_create(dev, &intel_sdvo_output_funcs, NULL); +	if (!output) +		return; + +	intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL); +	if (!intel_output) { +		drm_output_destroy(output); +		return; +	} + +	sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1); +	intel_output->type = INTEL_OUTPUT_SDVO; +	output->driver_private = intel_output; +	output->interlace_allowed = 0; +	output->doublescan_allowed = 0; + +	/* setup the DDC bus. */ +	if (output_device == SDVOB) +		i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB"); +	else +		i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC"); + +	if (i2cbus == NULL) { +		drm_output_destroy(output); +		return; +	} + +	sdvo_priv->i2c_bus = i2cbus; + +	if (output_device == SDVOB) { +		name_suffix = "-1"; +		sdvo_priv->i2c_bus->slave_addr = 0x38; +	} else { +		name_suffix = "-2"; +		sdvo_priv->i2c_bus->slave_addr = 0x39; +	} + +	sdvo_priv->output_device = output_device; +	intel_output->i2c_bus = i2cbus; +	intel_output->dev_priv = sdvo_priv; + + +	/* Read the regs to test if we can talk to the device */ +	for (i = 0; i < 0x40; i++) { +		if (!intel_sdvo_read_byte(output, i, &ch[i])) { +			DRM_DEBUG("No SDVO device found on SDVO%c\n", +				  output_device == SDVOB ? 'B' : 'C'); +			drm_output_destroy(output); +			return; +		} +	} + +	intel_sdvo_get_capabilities(output, &sdvo_priv->caps); + +	memset(&sdvo_priv->active_outputs, 0, sizeof(sdvo_priv->active_outputs)); + +	if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0) +	{ +		sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS0; +		output->subpixel_order = SubPixelHorizontalRGB; +		name_prefix="TMDS"; +	} +	else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS1) +	{ +		sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS1; +		output->subpixel_order = SubPixelHorizontalRGB; +		name_prefix="TMDS"; +	} +	else +	{ +		unsigned char bytes[2]; +		 +		memcpy (bytes, &sdvo_priv->caps.output_flags, 2); +		DRM_DEBUG("%s: No active TMDS outputs (0x%02x%02x)\n", +			  SDVO_NAME(sdvo_priv), +			  bytes[0], bytes[1]); +	} +	strcpy (name, name_prefix); +	strcat (name, name_suffix); +	if (!drm_output_rename(output, name)) +	{ +		drm_output_destroy(output); +		return; +	} +		 + +	/* Set the input timing to the screen. Assume always input 0. */ +	intel_sdvo_set_target_input(output, true, false); +	 +	intel_sdvo_get_input_pixel_clock_range(output, +					       &sdvo_priv->pixel_clock_min, +					       &sdvo_priv->pixel_clock_max); + + +	DRM_DEBUG("%s device VID/DID: %02X:%02X.%02X, " +		  "clock range %dMHz - %dMHz, " +		  "input 1: %c, input 2: %c, " +		  "output 1: %c, output 2: %c\n", +		  SDVO_NAME(sdvo_priv), +		  sdvo_priv->caps.vendor_id, sdvo_priv->caps.device_id, +		  sdvo_priv->caps.device_rev_id, +		  sdvo_priv->pixel_clock_min / 1000, +		  sdvo_priv->pixel_clock_max / 1000, +		  (sdvo_priv->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N', +		  (sdvo_priv->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N', +		  sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0 ? 'Y' : 'N', +		  sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS1 ? 'Y' : 'N'); + +	intel_output->ddc_bus = i2cbus;	 +} diff --git a/linux-core/intel_sdvo_regs.h b/linux-core/intel_sdvo_regs.h new file mode 100644 index 00000000..c8ab950b --- /dev/null +++ b/linux-core/intel_sdvo_regs.h @@ -0,0 +1,324 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + *	Eric Anholt <eric@anholt.net> + */ + +/** + * @file SDVO command definitions and structures. + */ + +#define SDVO_OUTPUT_FIRST   (0) +#define SDVO_OUTPUT_TMDS0   (1 << 0) +#define SDVO_OUTPUT_RGB0    (1 << 1) +#define SDVO_OUTPUT_CVBS0   (1 << 2) +#define SDVO_OUTPUT_SVID0   (1 << 3) +#define SDVO_OUTPUT_YPRPB0  (1 << 4) +#define SDVO_OUTPUT_SCART0  (1 << 5) +#define SDVO_OUTPUT_LVDS0   (1 << 6) +#define SDVO_OUTPUT_TMDS1   (1 << 8) +#define SDVO_OUTPUT_RGB1    (1 << 13) +#define SDVO_OUTPUT_LVDS1   (1 << 14) +#define SDVO_OUTPUT_LAST    (14) + +struct intel_sdvo_caps { +    u8 vendor_id; +    u8 device_id; +    u8 device_rev_id; +    u8 sdvo_version_major; +    u8 sdvo_version_minor; +    unsigned int sdvo_inputs_mask:2; +    unsigned int smooth_scaling:1; +    unsigned int sharp_scaling:1; +    unsigned int up_scaling:1; +    unsigned int down_scaling:1; +    unsigned int stall_support:1; +    unsigned int pad:1; +    u16 output_flags; +} __attribute__((packed)); + +/** This matches the EDID DTD structure, more or less */ +struct intel_sdvo_dtd { +    struct { +	u16 clock;		/**< pixel clock, in 10kHz units */ +	u8 h_active;		/**< lower 8 bits (pixels) */ +	u8 h_blank;		/**< lower 8 bits (pixels) */ +	u8 h_high;		/**< upper 4 bits each h_active, h_blank */ +	u8 v_active;		/**< lower 8 bits (lines) */ +	u8 v_blank;		/**< lower 8 bits (lines) */ +	u8 v_high;		/**< upper 4 bits each v_active, v_blank */ +    } part1; + +    struct { +	u8 h_sync_off;	/**< lower 8 bits, from hblank start */ +	u8 h_sync_width;	/**< lower 8 bits (pixels) */ +	/** lower 4 bits each vsync offset, vsync width */ +	u8 v_sync_off_width; +	/** +	 * 2 high bits of hsync offset, 2 high bits of hsync width, +	 * bits 4-5 of vsync offset, and 2 high bits of vsync width. +	 */ +	u8 sync_off_width_high; +	u8 dtd_flags; +	u8 sdvo_flags; +	/** bits 6-7 of vsync offset at bits 6-7 */ +	u8 v_sync_off_high; +	u8 reserved; +    } part2; +} __attribute__((packed)); + +struct intel_sdvo_pixel_clock_range { +    u16 min;			/**< pixel clock, in 10kHz units */ +    u16 max;			/**< pixel clock, in 10kHz units */ +} __attribute__((packed)); + +struct intel_sdvo_preferred_input_timing_args { +    u16 clock; +    u16 width; +    u16 height; +} __attribute__((packed)); + +/* I2C registers for SDVO */ +#define SDVO_I2C_ARG_0				0x07 +#define SDVO_I2C_ARG_1				0x06 +#define SDVO_I2C_ARG_2				0x05 +#define SDVO_I2C_ARG_3				0x04 +#define SDVO_I2C_ARG_4				0x03 +#define SDVO_I2C_ARG_5				0x02 +#define SDVO_I2C_ARG_6				0x01 +#define SDVO_I2C_ARG_7				0x00 +#define SDVO_I2C_OPCODE				0x08 +#define SDVO_I2C_CMD_STATUS			0x09 +#define SDVO_I2C_RETURN_0			0x0a +#define SDVO_I2C_RETURN_1			0x0b +#define SDVO_I2C_RETURN_2			0x0c +#define SDVO_I2C_RETURN_3			0x0d +#define SDVO_I2C_RETURN_4			0x0e +#define SDVO_I2C_RETURN_5			0x0f +#define SDVO_I2C_RETURN_6			0x10 +#define SDVO_I2C_RETURN_7			0x11 +#define SDVO_I2C_VENDOR_BEGIN			0x20 + +/* Status results */ +#define SDVO_CMD_STATUS_POWER_ON		0x0 +#define SDVO_CMD_STATUS_SUCCESS			0x1 +#define SDVO_CMD_STATUS_NOTSUPP			0x2 +#define SDVO_CMD_STATUS_INVALID_ARG		0x3 +#define SDVO_CMD_STATUS_PENDING			0x4 +#define SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED	0x5 +#define SDVO_CMD_STATUS_SCALING_NOT_SUPP	0x6 + +/* SDVO commands, argument/result registers */ + +#define SDVO_CMD_RESET					0x01 + +/** Returns a struct intel_sdvo_caps */ +#define SDVO_CMD_GET_DEVICE_CAPS			0x02 + +#define SDVO_CMD_GET_FIRMWARE_REV			0x86 +# define SDVO_DEVICE_FIRMWARE_MINOR			SDVO_I2C_RETURN_0 +# define SDVO_DEVICE_FIRMWARE_MAJOR			SDVO_I2C_RETURN_1 +# define SDVO_DEVICE_FIRMWARE_PATCH			SDVO_I2C_RETURN_2 + +/** + * Reports which inputs are trained (managed to sync). + * + * Devices must have trained within 2 vsyncs of a mode change. + */ +#define SDVO_CMD_GET_TRAINED_INPUTS			0x03 +struct intel_sdvo_get_trained_inputs_response { +    unsigned int input0_trained:1; +    unsigned int input1_trained:1; +    unsigned int pad:6; +} __attribute__((packed)); + +/** Returns a struct intel_sdvo_output_flags of active outputs. */ +#define SDVO_CMD_GET_ACTIVE_OUTPUTS			0x04 + +/** + * Sets the current set of active outputs. + * + * Takes a struct intel_sdvo_output_flags.  Must be preceded by a SET_IN_OUT_MAP + * on multi-output devices. + */ +#define SDVO_CMD_SET_ACTIVE_OUTPUTS			0x05 + +/** + * Returns the current mapping of SDVO inputs to outputs on the device. + * + * Returns two struct intel_sdvo_output_flags structures. + */ +#define SDVO_CMD_GET_IN_OUT_MAP				0x06 + +/** + * Sets the current mapping of SDVO inputs to outputs on the device. + * + * Takes two struct i380_sdvo_output_flags structures. + */ +#define SDVO_CMD_SET_IN_OUT_MAP				0x07 + +/** + * Returns a struct intel_sdvo_output_flags of attached displays. + */ +#define SDVO_CMD_GET_ATTACHED_DISPLAYS			0x0b + +/** + * Returns a struct intel_sdvo_ouptut_flags of displays supporting hot plugging. + */ +#define SDVO_CMD_GET_HOT_PLUG_SUPPORT			0x0c + +/** + * Takes a struct intel_sdvo_output_flags. + */ +#define SDVO_CMD_SET_ACTIVE_HOT_PLUG			0x0d + +/** + * Returns a struct intel_sdvo_output_flags of displays with hot plug + * interrupts enabled. + */ +#define SDVO_CMD_GET_ACTIVE_HOT_PLUG			0x0e + +#define SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE		0x0f +struct intel_sdvo_get_interrupt_event_source_response { +    u16 interrupt_status; +    unsigned int ambient_light_interrupt:1; +    unsigned int pad:7; +} __attribute__((packed)); + +/** + * Selects which input is affected by future input commands. + * + * Commands affected include SET_INPUT_TIMINGS_PART[12], + * GET_INPUT_TIMINGS_PART[12], GET_PREFERRED_INPUT_TIMINGS_PART[12], + * GET_INPUT_PIXEL_CLOCK_RANGE, and CREATE_PREFERRED_INPUT_TIMINGS. + */ +#define SDVO_CMD_SET_TARGET_INPUT			0x10 +struct intel_sdvo_set_target_input_args { +    unsigned int target_1:1; +    unsigned int pad:7; +} __attribute__((packed)); + +/** + * Takes a struct intel_sdvo_output_flags of which outputs are targetted by + * future output commands. + * + * Affected commands inclue SET_OUTPUT_TIMINGS_PART[12], + * GET_OUTPUT_TIMINGS_PART[12], and GET_OUTPUT_PIXEL_CLOCK_RANGE. + */ +#define SDVO_CMD_SET_TARGET_OUTPUT			0x11 + +#define SDVO_CMD_GET_INPUT_TIMINGS_PART1		0x12 +#define SDVO_CMD_GET_INPUT_TIMINGS_PART2		0x13 +#define SDVO_CMD_SET_INPUT_TIMINGS_PART1		0x14 +#define SDVO_CMD_SET_INPUT_TIMINGS_PART2		0x15 +#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART1		0x16 +#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART2		0x17 +#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART1		0x18 +#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART2		0x19 +/* Part 1 */ +# define SDVO_DTD_CLOCK_LOW				SDVO_I2C_ARG_0 +# define SDVO_DTD_CLOCK_HIGH				SDVO_I2C_ARG_1 +# define SDVO_DTD_H_ACTIVE				SDVO_I2C_ARG_2 +# define SDVO_DTD_H_BLANK				SDVO_I2C_ARG_3 +# define SDVO_DTD_H_HIGH				SDVO_I2C_ARG_4 +# define SDVO_DTD_V_ACTIVE				SDVO_I2C_ARG_5 +# define SDVO_DTD_V_BLANK				SDVO_I2C_ARG_6 +# define SDVO_DTD_V_HIGH				SDVO_I2C_ARG_7 +/* Part 2 */ +# define SDVO_DTD_HSYNC_OFF				SDVO_I2C_ARG_0 +# define SDVO_DTD_HSYNC_WIDTH				SDVO_I2C_ARG_1 +# define SDVO_DTD_VSYNC_OFF_WIDTH			SDVO_I2C_ARG_2 +# define SDVO_DTD_SYNC_OFF_WIDTH_HIGH			SDVO_I2C_ARG_3 +# define SDVO_DTD_DTD_FLAGS				SDVO_I2C_ARG_4 +# define SDVO_DTD_DTD_FLAG_INTERLACED				(1 << 7) +# define SDVO_DTD_DTD_FLAG_STEREO_MASK				(3 << 5) +# define SDVO_DTD_DTD_FLAG_INPUT_MASK				(3 << 3) +# define SDVO_DTD_DTD_FLAG_SYNC_MASK				(3 << 1) +# define SDVO_DTD_SDVO_FLAS				SDVO_I2C_ARG_5 +# define SDVO_DTD_SDVO_FLAG_STALL				(1 << 7) +# define SDVO_DTD_SDVO_FLAG_CENTERED				(0 << 6) +# define SDVO_DTD_SDVO_FLAG_UPPER_LEFT				(1 << 6) +# define SDVO_DTD_SDVO_FLAG_SCALING_MASK			(3 << 4) +# define SDVO_DTD_SDVO_FLAG_SCALING_NONE			(0 << 4) +# define SDVO_DTD_SDVO_FLAG_SCALING_SHARP			(1 << 4) +# define SDVO_DTD_SDVO_FLAG_SCALING_SMOOTH			(2 << 4) +# define SDVO_DTD_VSYNC_OFF_HIGH			SDVO_I2C_ARG_6 + +/** + * Generates a DTD based on the given width, height, and flags. + * + * This will be supported by any device supporting scaling or interlaced + * modes. + */ +#define SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING		0x1a +# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_LOW		SDVO_I2C_ARG_0 +# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_HIGH		SDVO_I2C_ARG_1 +# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_LOW		SDVO_I2C_ARG_2 +# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_HIGH		SDVO_I2C_ARG_3 +# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_LOW		SDVO_I2C_ARG_4 +# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_HIGH	SDVO_I2C_ARG_5 +# define SDVO_PREFERRED_INPUT_TIMING_FLAGS		SDVO_I2C_ARG_6 +# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_INTERLACED		(1 << 0) +# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_SCALED		(1 << 1) + +#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1	0x1b +#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2	0x1c + +/** Returns a struct intel_sdvo_pixel_clock_range */ +#define SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE		0x1d +/** Returns a struct intel_sdvo_pixel_clock_range */ +#define SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE		0x1e + +/** Returns a byte bitfield containing SDVO_CLOCK_RATE_MULT_* flags */ +#define SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS		0x1f + +/** Returns a byte containing a SDVO_CLOCK_RATE_MULT_* flag */ +#define SDVO_CMD_GET_CLOCK_RATE_MULT			0x20 +/** Takes a byte containing a SDVO_CLOCK_RATE_MULT_* flag */ +#define SDVO_CMD_SET_CLOCK_RATE_MULT			0x21 +# define SDVO_CLOCK_RATE_MULT_1X				(1 << 0) +# define SDVO_CLOCK_RATE_MULT_2X				(1 << 1) +# define SDVO_CLOCK_RATE_MULT_4X				(1 << 3) + +#define SDVO_CMD_GET_SUPPORTED_TV_FORMATS		0x27 + +#define SDVO_CMD_GET_TV_FORMAT				0x28 + +#define SDVO_CMD_SET_TV_FORMAT				0x29 + +#define SDVO_CMD_GET_SUPPORTED_POWER_STATES		0x2a +#define SDVO_CMD_GET_ENCODER_POWER_STATE		0x2b +#define SDVO_CMD_SET_ENCODER_POWER_STATE		0x2c +# define SDVO_ENCODER_STATE_ON					(1 << 0) +# define SDVO_ENCODER_STATE_STANDBY				(1 << 1) +# define SDVO_ENCODER_STATE_SUSPEND				(1 << 2) +# define SDVO_ENCODER_STATE_OFF					(1 << 3) + +#define SDVO_CMD_SET_TV_RESOLUTION_SUPPORT		0x93 + +#define SDVO_CMD_SET_CONTROL_BUS_SWITCH			0x7a +# define SDVO_CONTROL_BUS_PROM				0x0 +# define SDVO_CONTROL_BUS_DDC1				0x1 +# define SDVO_CONTROL_BUS_DDC2				0x2 +# define SDVO_CONTROL_BUS_DDC3				0x3 + | 
