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-rw-r--r--linux-core/drmP.h2
-rw-r--r--linux-core/drm_bo.c1
-rw-r--r--linux-core/drm_crtc.c54
-rw-r--r--linux-core/drm_crtc.h1
-rw-r--r--linux-core/drm_drv.c8
-rw-r--r--linux-core/drm_mm.c15
-rw-r--r--linux-core/i915_drv.c5
-rw-r--r--linux-core/intel_crt.c10
-rw-r--r--linux-core/intel_drv.h5
-rw-r--r--linux-core/intel_fb.c45
-rw-r--r--linux-core/intel_sdvo.c87
-rw-r--r--shared-core/i915_drv.h2
-rw-r--r--shared-core/i915_init.c38
-rw-r--r--shared-core/i915_irq.c246
14 files changed, 472 insertions, 47 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 4a0cabc3..5e674b2a 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -669,6 +669,7 @@ struct drm_driver {
/* FB routines, if present */
int (*fb_probe)(struct drm_device *dev, struct drm_crtc *crtc);
int (*fb_remove)(struct drm_device *dev, struct drm_crtc *crtc);
+ int (*fb_resize)(struct drm_device *dev, struct drm_crtc *crtc);
struct drm_fence_driver *fence_driver;
struct drm_bo_driver *bo_driver;
@@ -1210,6 +1211,7 @@ extern int drm_mm_clean(struct drm_mm *mm);
extern unsigned long drm_mm_tail_space(struct drm_mm *mm);
extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size);
extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size);
+extern void drm_mm_print(struct drm_mm *mm, const char *name);
static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block)
{
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index c89d6608..e4ec24e2 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -569,7 +569,6 @@ void drm_putback_buffer_objects(struct drm_device *dev)
}
EXPORT_SYMBOL(drm_putback_buffer_objects);
-
/*
* Note. The caller has to register (if applicable)
* and deregister fence object usage.
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c
index 405b54b7..fef2700a 100644
--- a/linux-core/drm_crtc.c
+++ b/linux-core/drm_crtc.c
@@ -396,6 +396,7 @@ void drm_crtc_probe_output_modes(struct drm_device *dev, int maxX, int maxY)
drm_crtc_probe_single_output_modes(output, maxX, maxY);
}
}
+EXPORT_SYMBOL(drm_crtc_probe_output_modes);
/**
* drm_crtc_set_mode - set a mode
@@ -553,7 +554,8 @@ void drm_disable_unused_functions(struct drm_device *dev)
crtc->funcs->dpms(crtc, DPMSModeOff);
}
}
-
+EXPORT_SYMBOL(drm_disable_unused_functions);
+
/**
* drm_mode_probed_add - add a mode to the specified output's probed mode list
* @output: output the new mode
@@ -920,7 +922,7 @@ clone:
}
}
}
-
+EXPORT_SYMBOL(drm_pick_crtcs);
/**
* drm_initial_config - setup a sane initial output configuration
@@ -1107,6 +1109,54 @@ int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info,
}
/**
+ * drm_hotplug_stage_two
+ * @dev DRM device
+ * @output hotpluged output
+ *
+ * LOCKING.
+ * Caller must hold mode config lock, function might grap struct lock.
+ *
+ * Stage two of a hotplug.
+ *
+ * RETURNS:
+ * Zero on success, errno on failure.
+ */
+int drm_hotplug_stage_two(struct drm_device *dev, struct drm_output *output)
+{
+ int has_config = 0;
+
+ if (output->crtc && output->crtc->desired_mode) {
+ DRM_DEBUG("drm thinks that the output already has a config\n");
+ has_config = 1;
+ }
+
+ drm_crtc_probe_output_modes(dev, 2048, 2048);
+
+ if (!has_config)
+ drm_pick_crtcs(dev);
+
+ if (!output->crtc || !output->crtc->desired_mode) {
+ DRM_DEBUG("could not find a desired mode or crtc for output\n");
+ return 1;
+ }
+
+ /* We should realy check if there is a fb using this crtc */
+ if (!has_config)
+ dev->driver->fb_probe(dev, output->crtc);
+ else {
+ dev->driver->fb_resize(dev, output->crtc);
+
+ if (!drm_crtc_set_mode(output->crtc, output->crtc->desired_mode, 0, 0))
+ DRM_ERROR("failed to set mode after hotplug\n");
+ }
+
+ drm_disable_unused_functions(dev);
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_hotplug_stage_two);
+
+/**
* drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
* @out: drm_mode_modeinfo struct to return to the user
* @in: drm_display_mode to use
diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h
index d133e0e0..54e0c000 100644
--- a/linux-core/drm_crtc.h
+++ b/linux-core/drm_crtc.h
@@ -579,6 +579,7 @@ extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
extern bool drm_crtc_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode,
int x, int y);
+extern int drm_hotplug_stage_two(struct drm_device *dev, struct drm_output *output);
extern int drm_output_attach_property(struct drm_output *output,
struct drm_property *property, uint64_t init_val);
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index 0b9ce30a..ab02c659 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -181,6 +181,7 @@ int drm_lastclose(struct drm_device * dev)
DRM_DEBUG("\n");
+/* return 0; */
/*
* We can't do much about this function failing.
*/
@@ -195,8 +196,8 @@ int drm_lastclose(struct drm_device * dev)
dev->unique_len = 0;
}
- if (dev->irq_enabled)
- drm_irq_uninstall(dev);
+/* if (dev->irq_enabled)
+ drm_irq_uninstall(dev); */
/* Free drawable information memory */
mutex_lock(&dev->struct_mutex);
@@ -251,12 +252,13 @@ int drm_lastclose(struct drm_device * dev)
drm_ctl_free(vma, sizeof(*vma), DRM_MEM_VMAS);
}
+ /*
list_for_each_entry_safe(r_list, list_t, &dev->maplist, head) {
if (!(r_list->map->flags & _DRM_DRIVER)) {
drm_rmmap_locked(dev, r_list->map);
r_list = NULL;
}
- }
+ }*/
if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist) {
for (i = 0; i < dev->queue_count; i++) {
diff --git a/linux-core/drm_mm.c b/linux-core/drm_mm.c
index 59110293..28726a65 100644
--- a/linux-core/drm_mm.c
+++ b/linux-core/drm_mm.c
@@ -294,3 +294,18 @@ void drm_mm_takedown(struct drm_mm * mm)
}
EXPORT_SYMBOL(drm_mm_takedown);
+
+void drm_mm_print(struct drm_mm *mm, const char *name)
+{
+ struct list_head *list;
+ const struct list_head *mm_stack = &mm->ml_entry;
+ struct drm_mm_node *entry;
+
+ DRM_DEBUG("Memory usage for '%s'\n", name ? name : "unknown");
+ list_for_each(list, mm_stack) {
+ entry = list_entry(list, struct drm_mm_node, ml_entry);
+ DRM_DEBUG("\t0x%08lx %li %s pages\n", entry->start, entry->size,
+ entry->free ? "free" : "used");
+ }
+}
+EXPORT_SYMBOL(drm_mm_print);
diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c
index fb4149c4..598039dc 100644
--- a/linux-core/i915_drv.c
+++ b/linux-core/i915_drv.c
@@ -541,8 +541,8 @@ static struct drm_driver driver = {
DRIVER_IRQ_VBL2,
.load = i915_driver_load,
.unload = i915_driver_unload,
- .lastclose = i915_driver_lastclose,
- .preclose = i915_driver_preclose,
+/* .lastclose = i915_driver_lastclose,
+ .preclose = i915_driver_preclose, */
.suspend = i915_suspend,
.resume = i915_resume,
.device_is_agp = i915_driver_device_is_agp,
@@ -557,6 +557,7 @@ static struct drm_driver driver = {
.get_reg_ofs = drm_core_get_reg_ofs,
.fb_probe = intelfb_probe,
.fb_remove = intelfb_remove,
+ .fb_resize = intelfb_resize,
.ioctls = i915_ioctls,
.fops = {
.owner = THIS_MODULE,
diff --git a/linux-core/intel_crt.c b/linux-core/intel_crt.c
index 74e3dcd6..4be71cba 100644
--- a/linux-core/intel_crt.c
+++ b/linux-core/intel_crt.c
@@ -142,6 +142,7 @@ static bool intel_crt_detect_hotplug(struct drm_output *output)
struct drm_device *dev = output->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
u32 temp;
+#if 1
unsigned long timeout = jiffies + msecs_to_jiffies(1000);
temp = I915_READ(PORT_HOTPLUG_EN);
@@ -160,6 +161,15 @@ static bool intel_crt_detect_hotplug(struct drm_output *output)
return true;
return false;
+#else
+ temp = I915_READ(PORT_HOTPLUG_STAT);
+ DRM_DEBUG("HST 0x%08x\n", temp);
+
+ if (temp & (1 << 8) && temp & (1 << 9))
+ return true;
+
+ return false;
+#endif
}
static bool intel_crt_detect_ddc(struct drm_output *output)
diff --git a/linux-core/intel_drv.h b/linux-core/intel_drv.h
index 7de4b924..06335b18 100644
--- a/linux-core/intel_drv.h
+++ b/linux-core/intel_drv.h
@@ -76,7 +76,12 @@ extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
extern void intel_wait_for_vblank(struct drm_device *dev);
extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
+extern struct drm_output* intel_sdvo_find(struct drm_device *dev, int sdvoB);
+extern int intel_sdvo_supports_hotplug(struct drm_output *output);
+extern void intel_sdvo_set_hotplug(struct drm_output *output, int enable);
+
extern int intelfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
extern int intelfb_remove(struct drm_device *dev, struct drm_crtc *crtc);
+extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc);
#endif /* __INTEL_DRV_H__ */
diff --git a/linux-core/intel_fb.c b/linux-core/intel_fb.c
index 32c7dc31..b67c0fcc 100644
--- a/linux-core/intel_fb.c
+++ b/linux-core/intel_fb.c
@@ -489,6 +489,46 @@ static struct fb_ops intelfb_ops = {
.fb_imageblit = cfb_imageblit, //intelfb_imageblit,
};
+/**
+ * Curretly it is assumed that the old framebuffer is reused.
+ *
+ * LOCKING
+ * caller should hold the mode config lock.
+ *
+ */
+int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc)
+{
+ struct fb_info *info;
+ struct drm_framebuffer *fb;
+ struct drm_display_mode *mode = crtc->desired_mode;
+
+ fb = crtc->fb;
+ if (!fb)
+ return 1;
+
+ info = fb->fbdev;
+ if (!info)
+ return 1;
+
+ if (!mode)
+ return 1;
+
+ info->var.xres = mode->hdisplay;
+ info->var.right_margin = mode->hsync_start - mode->hdisplay;
+ info->var.hsync_len = mode->hsync_end - mode->hsync_start;
+ info->var.left_margin = mode->htotal - mode->hsync_end;
+ info->var.yres = mode->vdisplay;
+ info->var.lower_margin = mode->vsync_start - mode->vdisplay;
+ info->var.vsync_len = mode->vsync_end - mode->vsync_start;
+ info->var.upper_margin = mode->vtotal - mode->vsync_end;
+ info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100;
+ /* avoid overflow */
+ info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh;
+
+ return 0;
+}
+EXPORT_SYMBOL(intelfb_resize);
+
int intelfb_probe(struct drm_device *dev, struct drm_crtc *crtc)
{
struct fb_info *info;
@@ -512,8 +552,9 @@ int intelfb_probe(struct drm_device *dev, struct drm_crtc *crtc)
}
crtc->fb = fb;
- fb->width = crtc->desired_mode->hdisplay;
- fb->height = crtc->desired_mode->vdisplay;
+ /* To allow resizeing without swapping buffers */
+ fb->width = 2048;/* crtc->desired_mode->hdisplay; */
+ fb->height = 2048;/* crtc->desired_mode->vdisplay; */
fb->bits_per_pixel = 32;
fb->pitch = fb->width * ((fb->bits_per_pixel + 1) / 8);
diff --git a/linux-core/intel_sdvo.c b/linux-core/intel_sdvo.c
index 7f55829b..3887df00 100644
--- a/linux-core/intel_sdvo.c
+++ b/linux-core/intel_sdvo.c
@@ -53,6 +53,7 @@ struct intel_sdvo_priv {
struct intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2;
struct intel_sdvo_dtd save_output_dtd[16];
u32 save_SDVOX;
+ int hotplug_enabled;
};
/**
@@ -60,7 +61,7 @@ struct intel_sdvo_priv {
* 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)
+void intel_sdvo_write_sdvox(struct drm_output *output, u32 val)
{
struct drm_device *dev = output->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -69,10 +70,17 @@ static void intel_sdvo_write_sdvox(struct drm_output *output, u32 val)
u32 bval = val, cval = val;
int i;
- if (sdvo_priv->output_device == SDVOB)
+ if (sdvo_priv->output_device == SDVOB) {
cval = I915_READ(SDVOC);
- else
+
+ if (sdvo_priv->hotplug_enabled)
+ bval = bval | (1 << 26);
+ } else {
bval = I915_READ(SDVOB);
+
+ if (sdvo_priv->hotplug_enabled)
+ cval = cval | (1 << 26);
+ }
/*
* Write the registers twice for luck. Sometimes,
* writing them only once doesn't appear to 'stick'.
@@ -879,6 +887,78 @@ void intel_sdvo_dump(void)
}
+struct drm_output* intel_sdvo_find(struct drm_device *dev, int sdvoB)
+{
+ struct drm_output *output = 0;
+ struct intel_output *iout = 0;
+ struct intel_sdvo_priv *sdvo;
+
+ /* find the sdvo output */
+ list_for_each_entry(output, &dev->mode_config.output_list, head) {
+ iout = output->driver_private;
+
+ if (iout->type != INTEL_OUTPUT_SDVO)
+ continue;
+
+ sdvo = iout->dev_priv;
+
+ if (sdvo->output_device == SDVOB && sdvoB)
+ return output;
+
+ if (sdvo->output_device == SDVOC && !sdvoB)
+ return output;
+
+ }
+
+ return 0;
+}
+
+int intel_sdvo_supports_hotplug(struct drm_output *output)
+{
+ u8 response[2];
+ u8 status;
+ DRM_DEBUG("\n");
+
+ if (!output)
+ return 0;
+
+ intel_sdvo_write_cmd(output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
+ status = intel_sdvo_read_response(output, &response, 2);
+
+ if (response[0] !=0)
+ return 1;
+
+ return 0;
+}
+
+void intel_sdvo_set_hotplug(struct drm_output *output, int on)
+{
+ struct intel_output *intel_output = output->driver_private;
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ u8 response[2];
+ u8 status;
+
+ intel_sdvo_write_cmd(output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
+ intel_sdvo_read_response(output, &response, 2);
+
+ if (on) {
+ sdvo_priv->hotplug_enabled = 1;
+
+ intel_sdvo_write_cmd(output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
+ status = intel_sdvo_read_response(output, &response, 2);
+
+ intel_sdvo_write_cmd(output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
+ } else {
+ sdvo_priv->hotplug_enabled = 0;
+
+ response[0] = 0;
+ response[1] = 0;
+ intel_sdvo_write_cmd(output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
+ }
+
+ intel_sdvo_write_cmd(output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
+ intel_sdvo_read_response(output, &response, 2);
+}
static enum drm_output_status intel_sdvo_detect(struct drm_output *output)
{
@@ -994,6 +1074,7 @@ void intel_sdvo_init(struct drm_device *dev, int output_device)
}
sdvo_priv->output_device = output_device;
+ sdvo_priv->hotplug_enabled = 0;
intel_output->i2c_bus = i2cbus;
intel_output->dev_priv = sdvo_priv;
diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h
index d9e86de9..45b7786a 100644
--- a/shared-core/i915_drv.h
+++ b/shared-core/i915_drv.h
@@ -135,6 +135,8 @@ struct drm_i915_private {
uint32_t irq_enable_reg;
int irq_enabled;
+ struct workqueue_struct *wq;
+
#ifdef I915_HAVE_FENCE
uint32_t flush_sequence;
uint32_t flush_flags;
diff --git a/shared-core/i915_init.c b/shared-core/i915_init.c
index e44cb930..3b271b17 100644
--- a/shared-core/i915_init.c
+++ b/shared-core/i915_init.c
@@ -249,9 +249,20 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
}
DRM_DEBUG("Enabled hardware status page\n");
+ dev_priv->wq = create_singlethread_workqueue("i915");
+ if (dev_priv == 0) {
+ DRM_DEBUG("Error\n");
+ }
+
+
intel_modeset_init(dev);
drm_initial_config(dev, false);
+ drm_mm_print(&dev->bm.man[DRM_BO_MEM_VRAM].manager, "VRAM");
+ drm_mm_print(&dev->bm.man[DRM_BO_MEM_TT].manager, "TT");
+
+ drm_irq_install(dev);
+
return 0;
}
@@ -259,9 +270,15 @@ int i915_driver_unload(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ I915_WRITE(LP_RING + RING_LEN, 0);
+
+ intel_modeset_cleanup(dev);
+
+#if 0
if (dev_priv->ring.virtual_start) {
drm_core_ioremapfree(&dev_priv->ring.map, dev);
}
+#endif
if (dev_priv->status_page_dmah) {
drm_pci_free(dev, dev_priv->status_page_dmah);
@@ -278,10 +295,6 @@ int i915_driver_unload(struct drm_device *dev)
I915_WRITE(I915REG_HWS_PGA, 0x1ffff000);
}
- I915_WRITE(LP_RING + RING_LEN, 0);
-
- intel_modeset_cleanup(dev);
-
drm_mem_reg_iounmap(dev, &dev_priv->ring_buffer->mem,
dev_priv->ring.virtual_start);
@@ -310,20 +323,3 @@ int i915_driver_unload(struct drm_device *dev)
dev->dev_private = NULL;
return 0;
}
-
-void i915_driver_lastclose(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- i915_do_cleanup_pageflip(dev);
- //i915_mem_takedown(&(dev_priv->agp_heap));
- i915_dma_cleanup(dev);
-}
-
-void i915_driver_preclose(struct drm_device *dev, struct drm_file *filp)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- //i915_mem_release(dev, filp, dev_priv->agp_heap);
-}
-
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index 4312eae2..ac5361f2 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -31,9 +31,12 @@
#include "i915_drm.h"
#include "i915_drv.h"
+#include "intel_drv.h"
+
#define USER_INT_FLAG (1<<1)
#define VSYNC_PIPEB_FLAG (1<<5)
#define VSYNC_PIPEA_FLAG (1<<7)
+#define HOTPLUG_FLAG (1 << 17)
#define MAX_NOPID ((u32)~0)
@@ -301,27 +304,181 @@ static void i915_vblank_tasklet(struct drm_device *dev)
}
}
+#define HOTPLUG_CMD_CRT 1
+#define HOTPLUG_CMD_SDVOB 4
+#define HOTPLUG_CMD_SDVOC 8
+
+static struct drm_device *hotplug_dev;
+static int hotplug_cmd = 0;
+static spinlock_t hotplug_lock = SPIN_LOCK_UNLOCKED;
+
+static void i915_hotplug_crt(struct drm_device *dev)
+{
+ struct drm_output *output;
+ struct intel_output *iout;
+
+ mutex_lock(&dev->mode_config.mutex);
+
+ /* find the crt output */
+ list_for_each_entry(output, &dev->mode_config.output_list, head) {
+ iout = output->driver_private;
+ if (iout->type == INTEL_OUTPUT_ANALOG)
+ break;
+ else
+ iout = 0;
+ }
+
+ if (iout == 0)
+ goto unlock;
+
+ drm_hotplug_stage_two(dev, output);
+
+unlock:
+ mutex_unlock(&dev->mode_config.mutex);
+}
+
+static void i915_hotplug_sdvo(struct drm_device *dev, int sdvoB)
+{
+ struct drm_output *output = 0;
+ enum drm_output_status status;
+
+ mutex_lock(&dev->mode_config.mutex);
+
+ output = intel_sdvo_find(dev, sdvoB);
+
+ if (!output) {
+ DRM_ERROR("could not find sdvo%s output\n", sdvoB ? "B" : "C");
+ goto unlock;
+ }
+
+ status = output->funcs->detect(output);
+
+ if (status != output_status_connected)
+ DRM_DEBUG("disconnect or unkown we don't do anything then\n");
+ else
+ drm_hotplug_stage_two(dev, output);
+
+ /* wierd hw bug, sdvo stop sending interupts */
+ intel_sdvo_set_hotplug(output, 1);
+
+unlock:
+ mutex_unlock(&dev->mode_config.mutex);
+}
+/*
+ * This code is called in a more safe envirmoent to handle the hotplugs.
+ * Add code here for hotplug love to userspace.
+ */
+static void i915_hotplug_work_func(struct work_struct *work)
+{
+ struct drm_device *dev = hotplug_dev;
+ int crt;
+ int sdvoB;
+ int sdvoC;
+
+ spin_lock(&hotplug_lock);
+ crt = hotplug_cmd & HOTPLUG_CMD_CRT;
+ sdvoB = hotplug_cmd & HOTPLUG_CMD_SDVOB;
+ sdvoC = hotplug_cmd & HOTPLUG_CMD_SDVOC;
+ hotplug_cmd = 0;
+ spin_unlock(&hotplug_lock);
+
+ if (crt)
+ i915_hotplug_crt(dev);
+
+ if (sdvoB)
+ i915_hotplug_sdvo(dev, 1);
+
+ if (sdvoC)
+ i915_hotplug_sdvo(dev, 0);
+
+}
+
+static int i915_run_hotplug_tasklet(struct drm_device *dev, uint32_t stat)
+{
+ static DECLARE_WORK(hotplug, i915_hotplug_work_func);
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ hotplug_dev = dev;
+
+ if (stat & CRT_HOTPLUG_INT_STATUS) {
+ DRM_DEBUG("CRT event\n");
+
+ if (stat & CRT_HOTPLUG_MONITOR_MASK) {
+ spin_lock(&hotplug_lock);
+ hotplug_cmd |= HOTPLUG_CMD_CRT;
+ spin_unlock(&hotplug_lock);
+ } else {
+ /* handle crt disconnects */
+ }
+ }
+
+ if (stat & SDVOB_HOTPLUG_INT_STATUS) {
+ DRM_DEBUG("sDVOB event\n");
+
+ spin_lock(&hotplug_lock);
+ hotplug_cmd |= HOTPLUG_CMD_SDVOB;
+ spin_unlock(&hotplug_lock);
+ }
+
+ if (stat & SDVOC_HOTPLUG_INT_STATUS) {
+ DRM_DEBUG("sDVOC event\n");
+
+ spin_lock(&hotplug_lock);
+ hotplug_cmd |= HOTPLUG_CMD_SDVOC;
+ spin_unlock(&hotplug_lock);
+ }
+
+ queue_work(dev_priv->wq, &hotplug);
+
+ return 0;
+}
+
irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
- u16 temp;
+ u32 temp = 0;
+ u32 temp2;
u32 pipea_stats, pipeb_stats;
pipea_stats = I915_READ(I915REG_PIPEASTAT);
pipeb_stats = I915_READ(I915REG_PIPEBSTAT);
- temp = I915_READ16(I915REG_INT_IDENTITY_R);
+ /* On i8xx hw the IIR and IER are 16bit on i9xx its 32bit */
+ if (IS_I9XX(dev)) {
+ temp = I915_READ(I915REG_INT_IDENTITY_R);
+ } else {
+ temp = I915_READ16(I915REG_INT_IDENTITY_R);
+ }
+
+ temp2 = temp;
temp &= (dev_priv->irq_enable_reg | USER_INT_FLAG);
#if 0
+ /* ugly despamification of pipeb event irq */
+ if (temp & (0xFFFFFFF ^ ((1 << 5) | (1 << 7)))) {
+ DRM_DEBUG("IIR %08x\n", temp2);
+ DRM_DEBUG("MSK %08x\n", dev_priv->irq_enable_reg | USER_INT_FLAG);
+ DRM_DEBUG("M&I %08x\n", temp);
+ DRM_DEBUG("HOT %08x\n", I915_READ(PORT_HOTPLUG_STAT));
+ }
+#else
+#if 0
DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp);
#endif
+#endif
+
if (temp == 0)
return IRQ_NONE;
- I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
- (void) I915_READ16(I915REG_INT_IDENTITY_R);
+ if (IS_I9XX(dev)) {
+ I915_WRITE(I915REG_INT_IDENTITY_R, temp);
+ (void) I915_READ(I915REG_INT_IDENTITY_R);
+ } else {
+ I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
+ (void) I915_READ16(I915REG_INT_IDENTITY_R);
+ }
+
DRM_READMEMORYBARRIER();
dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
@@ -362,6 +519,17 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
I915_VBLANK_CLEAR);
}
+ /* for now lest just ack it */
+ if (temp & (1 << 17)) {
+ DRM_DEBUG("Hotplug event received\n");
+
+ temp2 = I915_READ(PORT_HOTPLUG_STAT);
+
+ i915_run_hotplug_tasklet(dev, temp2);
+
+ I915_WRITE(PORT_HOTPLUG_STAT,temp2);
+ }
+
return IRQ_HANDLED;
}
@@ -536,6 +704,7 @@ int i915_irq_wait(struct drm_device *dev, void *data,
void i915_enable_interrupt (struct drm_device *dev)
{
struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
+ struct drm_output *o;
dev_priv->irq_enable_reg = USER_INT_FLAG;
@@ -544,7 +713,41 @@ void i915_enable_interrupt (struct drm_device *dev)
if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
dev_priv->irq_enable_reg |= VSYNC_PIPEB_FLAG;
- I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ if (IS_I9XX(dev) && dev->mode_config.num_output) {
+ dev_priv->irq_enable_reg |= HOTPLUG_FLAG;
+
+ /* Activate the CRT */
+ I915_WRITE(PORT_HOTPLUG_EN, CRT_HOTPLUG_INT_EN);
+
+ /* SDVOB */
+ o = intel_sdvo_find(dev, 1);
+ if (o && intel_sdvo_supports_hotplug(o)) {
+ intel_sdvo_set_hotplug(o, 1);
+ I915_WRITE(PORT_HOTPLUG_EN, SDVOB_HOTPLUG_INT_EN);
+ }
+
+ /* SDVOC */
+ o = intel_sdvo_find(dev, 0);
+ if (o && intel_sdvo_supports_hotplug(o)) {
+ intel_sdvo_set_hotplug(o, 1);
+ I915_WRITE(PORT_HOTPLUG_EN, SDVOC_HOTPLUG_INT_EN);
+ }
+
+ }
+
+ if (IS_I9XX(dev)) {
+ I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ } else {
+ I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ }
+
+ DRM_DEBUG("HEN %08x\n",I915_READ(PORT_HOTPLUG_EN));
+ DRM_DEBUG("HST %08x\n",I915_READ(PORT_HOTPLUG_STAT));
+ DRM_DEBUG("IER %08x\n",I915_READ(I915REG_INT_ENABLE_R));
+ DRM_DEBUG("SDB %08x\n",I915_READ(SDVOB));
+
+ I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
+
dev_priv->irq_enabled = 1;
}
@@ -749,8 +952,14 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
I915_WRITE16(I915REG_HWSTAM, 0xeffe);
- I915_WRITE16(I915REG_INT_MASK_R, 0x0);
- I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
+ if (IS_I9XX(dev)) {
+ I915_WRITE(I915REG_INT_MASK_R, 0x0);
+ I915_WRITE(I915REG_INT_ENABLE_R, 0x0);
+ } else {
+ I915_WRITE16(I915REG_INT_MASK_R, 0x0);
+ I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
+ }
+
}
void i915_driver_irq_postinstall(struct drm_device * dev)
@@ -777,16 +986,27 @@ void i915_driver_irq_postinstall(struct drm_device * dev)
void i915_driver_irq_uninstall(struct drm_device * dev)
{
struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
- u16 temp;
+ u32 temp;
if (!dev_priv)
return;
dev_priv->irq_enabled = 0;
- I915_WRITE16(I915REG_HWSTAM, 0xffff);
- I915_WRITE16(I915REG_INT_MASK_R, 0xffff);
- I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
- temp = I915_READ16(I915REG_INT_IDENTITY_R);
- I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
+
+ if(IS_I9XX(dev)) {
+ I915_WRITE(I915REG_HWSTAM, 0xffffffff);
+ I915_WRITE(I915REG_INT_MASK_R, 0xffffffff);
+ I915_WRITE(I915REG_INT_ENABLE_R, 0x0);
+
+ temp = I915_READ(I915REG_INT_IDENTITY_R);
+ I915_WRITE(I915REG_INT_IDENTITY_R, temp);
+ } else {
+ I915_WRITE16(I915REG_HWSTAM, 0xffff);
+ I915_WRITE16(I915REG_INT_MASK_R, 0xffff);
+ I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
+
+ temp = I915_READ16(I915REG_INT_IDENTITY_R);
+ I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
+ }
}