From 52f9028c84baea81230dc673b756552e8e90aecd Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Thu, 5 Apr 2007 11:21:06 +1000 Subject: Initial import of modesetting for intel driver in DRM --- linux-core/intel_lvds.c | 108 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 linux-core/intel_lvds.c (limited to 'linux-core/intel_lvds.c') diff --git a/linux-core/intel_lvds.c b/linux-core/intel_lvds.c new file mode 100644 index 00000000..c2ac5679 --- /dev/null +++ b/linux-core/intel_lvds.c @@ -0,0 +1,108 @@ +/* + * Copyright 2006 Dave Airlie + * Copyright © 2006 Intel Corporation + * Eric Anholt + * Jesse Barnes + */ + +#include +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" + +/** + * Sets the backlight level. + * + * \param level backlight level, from 0 to i830_lvds_get_max_backlight(). + */ +static void lvds_set_backlight(drm_device_t *dev, u32 level) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + unsigned long blc_pwm_ctl; + + level &= BACKLIGHT_DUTY_CYCLE_MASK; + 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 lvds_get_max_backlight(drm_device_t *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; +} + +int lvds_backlight(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + unsigned long dvoa_enabled, dvob_enabled, dvoc_enabled, lvds_enabled; + drm_i915_private_t *dev_priv = dev->dev_private; + + printk(KERN_ERR "max backlight value: %d\n", + lvds_get_max_backlight(dev)); + dvoa_enabled = I915_READ(DVOA); + dvob_enabled = I915_READ(DVOB); + dvoc_enabled = I915_READ(DVOC); + lvds_enabled = I915_READ(LVDS); + + printk(KERN_ERR "dvoa_enabled: 0x%08lx\n", dvoa_enabled); + printk(KERN_ERR "dvob_enabled: 0x%08lx\n", dvob_enabled); + printk(KERN_ERR "dvoc_enabled: 0x%08lx\n", dvoc_enabled); + printk(KERN_ERR "lvds_enabled: 0x%08lx\n", lvds_enabled); + printk(KERN_ERR "BLC_PWM_CTL: 0x%08x\n", I915_READ(BLC_PWM_CTL)); + + return 0; +} + +static const struct drm_output_funcs intel_lvds_output_funcs; + +/** + * 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(drm_device_t *dev) +{ + struct drm_output *output; + struct intel_output *intel_output; + int modes; + + 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 = 0; + output->doublescan_allowed = 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; + } + + modes = intel_ddc_get_modes(output); + printk(KERN_ERR "LVDS: added %d modes from EDID.\n", modes); + intel_i2c_destroy(intel_output->ddc_bus); + drm_output_destroy(output); +} + -- cgit v1.2.3 From 6f3534a13abb0c8afb157511d0871dbc35bc403d Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Thu, 5 Apr 2007 09:21:31 -0700 Subject: Add copyrights before I forget --- linux-core/intel_lvds.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'linux-core/intel_lvds.c') diff --git a/linux-core/intel_lvds.c b/linux-core/intel_lvds.c index c2ac5679..a2ac13a0 100644 --- a/linux-core/intel_lvds.c +++ b/linux-core/intel_lvds.c @@ -1,6 +1,6 @@ /* - * Copyright 2006 Dave Airlie - * Copyright © 2006 Intel Corporation + * Copyright (c) 2006 Dave Airlie + * Copyright (c) 2006-2007 Intel Corporation * Eric Anholt * Jesse Barnes */ -- cgit v1.2.3 From 1c9ba24c2f37ca78965f8aa57ece02ef5bdb9b06 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 5 Apr 2007 11:34:11 -0700 Subject: Add required permission notices for code copied from X.Org source. --- linux-core/intel_lvds.c | 27 +++++++++++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) (limited to 'linux-core/intel_lvds.c') diff --git a/linux-core/intel_lvds.c b/linux-core/intel_lvds.c index a2ac13a0..a83f7d7a 100644 --- a/linux-core/intel_lvds.c +++ b/linux-core/intel_lvds.c @@ -1,7 +1,30 @@ +/* + * 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 + */ /* * Copyright (c) 2006 Dave Airlie - * Copyright (c) 2006-2007 Intel Corporation - * Eric Anholt * Jesse Barnes */ -- cgit v1.2.3 From ab7ee9c1af3bd844653a83b5160773db671bbcad Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Sat, 7 Apr 2007 19:26:55 -0700 Subject: remove a printk to make things less verbose --- linux-core/intel_lvds.c | 1 - 1 file changed, 1 deletion(-) (limited to 'linux-core/intel_lvds.c') diff --git a/linux-core/intel_lvds.c b/linux-core/intel_lvds.c index a83f7d7a..a444f145 100644 --- a/linux-core/intel_lvds.c +++ b/linux-core/intel_lvds.c @@ -124,7 +124,6 @@ void intel_lvds_init(drm_device_t *dev) } modes = intel_ddc_get_modes(output); - printk(KERN_ERR "LVDS: added %d modes from EDID.\n", modes); intel_i2c_destroy(intel_output->ddc_bus); drm_output_destroy(output); } -- cgit v1.2.3 From c446bf50e3ae730f272c6842f4ad04d523bd40c3 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Mon, 9 Apr 2007 20:46:38 -0700 Subject: Slam in most of X.Org's i830_lvds (not quite done yet so removed from Makefile.kernel too). --- linux-core/intel_lvds.c | 423 +++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 383 insertions(+), 40 deletions(-) (limited to 'linux-core/intel_lvds.c') diff --git a/linux-core/intel_lvds.c b/linux-core/intel_lvds.c index a444f145..7527dfce 100644 --- a/linux-core/intel_lvds.c +++ b/linux-core/intel_lvds.c @@ -1,5 +1,6 @@ /* * Copyright © 2006-2007 Intel Corporation + * Copyright (c) 2006 Dave Airlie * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -22,10 +23,8 @@ * * Authors: * Eric Anholt - */ -/* - * Copyright (c) 2006 Dave Airlie - * Jesse Barnes + * Dave Airlie + * Jesse Barnes */ #include @@ -39,23 +38,22 @@ /** * Sets the backlight level. * - * \param level backlight level, from 0 to i830_lvds_get_max_backlight(). + * \param level backlight level, from 0 to intel_lvds_get_max_backlight(). */ -static void lvds_set_backlight(drm_device_t *dev, u32 level) +static void intel_lvds_set_backlight(struct drm_device *dev, int level) { drm_i915_private_t *dev_priv = dev->dev_private; - unsigned long blc_pwm_ctl; + u32 blc_pwm_ctl; - level &= BACKLIGHT_DUTY_CYCLE_MASK; 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)); + 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 lvds_get_max_backlight(drm_device_t *dev) +static u32 intel_lvds_get_max_backlight(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; @@ -63,30 +61,386 @@ static u32 lvds_get_max_backlight(drm_device_t *dev) BACKLIGHT_MODULATION_FREQ_SHIFT) * 2; } -int lvds_backlight(DRM_IOCTL_ARGS) +/** + * 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; + + spin_lock(&dev->crtc_config.config_lock); + list_for_each_entry(tmp_output, &dev->crtc_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->crtc_config.config_lock); + + 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; +// xf86SetModeCrtc(adjusted_mode, 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) { - DRM_DEVICE; - unsigned long dvoa_enabled, dvob_enabled, dvoc_enabled, lvds_enabled; + struct intel_output *intel_output = output->driver_private; + struct drm_device *dev = output->dev; drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_monitor_info *edid_mon; + 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; + } + intel_i2c_destroy(intel_output->ddc_bus); + + ret = intel_ddc_get_modes(output); + if (ret) + return ret; +#if 0 + if (!output->monitor_info) { + edid_mon = kzalloc(sizeof(*output->monitor_info), GFP_KERNEL); + if (edid_mon) { + /* Set wide sync ranges so we get all modes + * handed to valid_mode for checking + */ + edid_mon->det_mon[0].type = DS_RANGES; + edid_mon->det_mon[0].section.ranges.min_v = 0; + edid_mon->det_mon[0].section.ranges.max_v = 200; + edid_mon->det_mon[0].section.ranges.min_h = 0; + edid_mon->det_mon[0].section.ranges.max_h = 200; + + output->monitor_info = edid_mon; + } + } +#endif + 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; + } - printk(KERN_ERR "max backlight value: %d\n", - lvds_get_max_backlight(dev)); - dvoa_enabled = I915_READ(DVOA); - dvob_enabled = I915_READ(DVOB); - dvoc_enabled = I915_READ(DVOC); - lvds_enabled = I915_READ(LVDS); - - printk(KERN_ERR "dvoa_enabled: 0x%08lx\n", dvoa_enabled); - printk(KERN_ERR "dvob_enabled: 0x%08lx\n", dvob_enabled); - printk(KERN_ERR "dvoc_enabled: 0x%08lx\n", dvoc_enabled); - printk(KERN_ERR "lvds_enabled: 0x%08lx\n", lvds_enabled); - printk(KERN_ERR "BLC_PWM_CTL: 0x%08x\n", I915_READ(BLC_PWM_CTL)); - return 0; } -static const struct drm_output_funcs intel_lvds_output_funcs; +static void intel_lvds_destroy(struct drm_output *output) +{ + drm_output_destroy(output); +} + +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 +}; + +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 *modes, scan, 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; + + /* + * Attempt to get the fixed panel mode from DDC. Assume that the + * preferred mode is the right one. + */ + intel_ddc_get_modes(output); + list_for_each_entry(scan, &output->probed_modes, head) { + if (scan->type & DRM_MODE_TYPE_PREFERRED) + break; + } + + if (scan != NULL) + dev_priv->panel_fixed_mode = scan; + +#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 == NULL) { + u32 lvds = I915_READ(LVDS); + int pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0; + struct drm_crtc_config *crtc_config = dev->crtc_config; + struct drm_crtc *crtc = crtc_config->crtc[pipe]; + + if (lvds & LVDS_PORT_EN) { + dev_priv->panel_fixed_mode = intel_crtc_mode_get(pScrn, crtc); + if (dev_priv->panel_fixed_mode != NULL) + dev_priv->panel_fixed_mode->type |= M_T_PREFERRED; + } + } + + /* 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; +} + +#if 0 /** * intel_lvds_init - setup LVDS outputs on this device * @dev: drm device @@ -115,16 +469,5 @@ void intel_lvds_init(drm_device_t *dev) output->subpixel_order = SubPixelHorizontalRGB; output->interlace_allowed = 0; output->doublescan_allowed = 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; - } - - modes = intel_ddc_get_modes(output); - intel_i2c_destroy(intel_output->ddc_bus); - drm_output_destroy(output); } - +#endif -- cgit v1.2.3 From 183cbd92dd016f8935f9b58ef9345fde1391173e Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Tue, 10 Apr 2007 09:47:37 -0700 Subject: Finish bringing in LVDS code, re-add to Makefile. Needed other changes too: - move EDID structures to drm_edid.h - add EDID info structure to drm_output - add a few routines to intel_display for getting current mode info - add some prototypes to intel_drv.h and drm_crtc.h --- linux-core/intel_lvds.c | 117 +++++++++++++++++++++--------------------------- 1 file changed, 52 insertions(+), 65 deletions(-) (limited to 'linux-core/intel_lvds.c') diff --git a/linux-core/intel_lvds.c b/linux-core/intel_lvds.c index 7527dfce..4638fb30 100644 --- a/linux-core/intel_lvds.c +++ b/linux-core/intel_lvds.c @@ -31,6 +31,7 @@ #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" @@ -262,7 +263,7 @@ 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 drm_monitor_info *edid_mon; + struct edid *edid_info; int ret = 0; intel_output->ddc_bus = intel_i2c_create(dev, GPIOC, "LVDSDDC_C"); @@ -276,23 +277,29 @@ static int intel_lvds_get_modes(struct drm_output *output) ret = intel_ddc_get_modes(output); if (ret) return ret; -#if 0 + + /* Didn't get an EDID */ if (!output->monitor_info) { - edid_mon = kzalloc(sizeof(*output->monitor_info), GFP_KERNEL); - if (edid_mon) { - /* Set wide sync ranges so we get all modes - * handed to valid_mode for checking - */ - edid_mon->det_mon[0].type = DS_RANGES; - edid_mon->det_mon[0].section.ranges.min_v = 0; - edid_mon->det_mon[0].section.ranges.max_v = 200; - edid_mon->det_mon[0].section.ranges.min_h = 0; - edid_mon->det_mon[0].section.ranges.max_h = 200; - - output->monitor_info = edid_mon; - } + 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; } -#endif + +out: if (dev_priv->panel_fixed_mode != NULL) { struct drm_display_mode *mode = drm_mode_duplicate(dev, dev_priv->panel_fixed_mode); @@ -322,13 +329,19 @@ static const struct drm_output_funcs intel_lvds_output_funcs = { .cleanup = intel_lvds_destroy }; -void -intel_lvds_init(struct drm_device *dev) +/** + * 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 *modes, scan, bios_mode; + struct drm_display_mode *scan; /* *modes, *bios_mode; */ output = drm_output_create(dev, &intel_lvds_output_funcs, "LVDS"); if (!output) @@ -356,37 +369,43 @@ intel_lvds_init(struct drm_device *dev) break; } - if (scan != NULL) + if (scan) dev_priv->panel_fixed_mode = scan; -#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 == NULL) { + if (!dev_priv->panel_fixed_mode) { u32 lvds = I915_READ(LVDS); int pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0; - struct drm_crtc_config *crtc_config = dev->crtc_config; - struct drm_crtc *crtc = crtc_config->crtc[pipe]; - - if (lvds & LVDS_PORT_EN) { - dev_priv->panel_fixed_mode = intel_crtc_mode_get(pScrn, crtc); - if (dev_priv->panel_fixed_mode != NULL) - dev_priv->panel_fixed_mode->type |= M_T_PREFERRED; + struct drm_crtc_config *crtc_config = &dev->crtc_config; + struct drm_crtc *crtc; + /* FIXME: need drm_crtc_from_pipe */ + //crtc = drm_crtc_from_pipe(crtc_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; } } - /* 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. +/* No BIOS poking yet... */ +#if 0 + /* 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)) + !xf86ModesEqual(dev_priv->panel_fixed_mode, + bios_mode)) { xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "BIOS panel mode data doesn't match probed data, " @@ -439,35 +458,3 @@ intel_lvds_init(struct drm_device *dev) #endif return; } - -#if 0 -/** - * 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(drm_device_t *dev) -{ - struct drm_output *output; - struct intel_output *intel_output; - int modes; - - 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 = 0; - output->doublescan_allowed = 0; -} -#endif -- cgit v1.2.3 From 78598fdaa8b23a199880a63b79f17cfd7f14cb0f Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Wed, 11 Apr 2007 07:07:54 -0700 Subject: Various changes for in-kernel modesetting: - allow drm_buffer_object_create to be called w/o dev_mapping - fixup i915 init code to allocate memory, fb and set modes right - pass fb to drm_initial_config for setup - change some debug output to make it easier to spot - fixup lvds code to use DDC probing correctly --- linux-core/intel_lvds.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) (limited to 'linux-core/intel_lvds.c') diff --git a/linux-core/intel_lvds.c b/linux-core/intel_lvds.c index 90a26109..8ecb204c 100644 --- a/linux-core/intel_lvds.c +++ b/linux-core/intel_lvds.c @@ -164,6 +164,7 @@ static bool intel_lvds_mode_fixup(struct drm_output *output, struct intel_crtc *intel_crtc = output->crtc->driver_private; struct drm_output *tmp_output; +#if 0 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) { @@ -173,6 +174,7 @@ static bool intel_lvds_mode_fixup(struct drm_output *output, } } spin_lock(&dev->mode_config.config_lock); +#endif if (intel_crtc->pipe == 0) { printk(KERN_ERR "Can't support LVDS on pipe A\n"); @@ -199,7 +201,7 @@ static bool intel_lvds_mode_fixup(struct drm_output *output, 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; -// xf86SetModeCrtc(adjusted_mode, INTERLACE_HALVE_V); + drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); } /* @@ -272,11 +274,11 @@ static int intel_lvds_get_modes(struct drm_output *output) "failed.\n"); return 0; } - intel_i2c_destroy(intel_output->ddc_bus); ret = intel_ddc_get_modes(output); if (ret) return ret; + intel_i2c_destroy(intel_output->ddc_bus); /* Didn't get an EDID */ if (!output->monitor_info) { @@ -359,19 +361,31 @@ void intel_lvds_init(struct drm_device *dev) 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) break; } - if (scan) + if (scan) { dev_priv->panel_fixed_mode = scan; + DRM_DEBUG("LVDS panel_fixed: %s\n", scan->name); + } +#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 @@ -395,7 +409,6 @@ void intel_lvds_init(struct drm_device *dev) } /* No BIOS poking yet... */ -#if 0 /* 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. -- cgit v1.2.3 From cc7faa4de80a68d5a7a484046b9b42de961cdbef Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Wed, 11 Apr 2007 07:21:24 -0700 Subject: fix modeset cleanup for LVDS and reenable it in i915. --- linux-core/intel_lvds.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'linux-core/intel_lvds.c') diff --git a/linux-core/intel_lvds.c b/linux-core/intel_lvds.c index 8ecb204c..ec693275 100644 --- a/linux-core/intel_lvds.c +++ b/linux-core/intel_lvds.c @@ -314,7 +314,8 @@ out: static void intel_lvds_destroy(struct drm_output *output) { - drm_output_destroy(output); + if (output->driver_private) + kfree(output->driver_private); } static const struct drm_output_funcs intel_lvds_output_funcs = { -- cgit v1.2.3 From 63d4d40463b04f1277470ccf5cc96dafd81e8687 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Wed, 11 Apr 2007 11:46:37 -0700 Subject: Fix i2c unregistration, cleanup panel_fixed_mode assignment. --- linux-core/intel_lvds.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) (limited to 'linux-core/intel_lvds.c') diff --git a/linux-core/intel_lvds.c b/linux-core/intel_lvds.c index ec693275..e8670adc 100644 --- a/linux-core/intel_lvds.c +++ b/linux-core/intel_lvds.c @@ -164,7 +164,7 @@ static bool intel_lvds_mode_fixup(struct drm_output *output, struct intel_crtc *intel_crtc = output->crtc->driver_private; struct drm_output *tmp_output; -#if 0 +#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) { @@ -274,11 +274,11 @@ static int intel_lvds_get_modes(struct drm_output *output) "failed.\n"); return 0; } - ret = intel_ddc_get_modes(output); + intel_i2c_destroy(intel_output->ddc_bus); + if (ret) return ret; - intel_i2c_destroy(intel_output->ddc_bus); /* Didn't get an EDID */ if (!output->monitor_info) { @@ -377,13 +377,11 @@ void intel_lvds_init(struct drm_device *dev) 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) + if (scan->type & DRM_MODE_TYPE_PREFERRED) { + dev_priv->panel_fixed_mode = + drm_mode_duplicate(dev, scan); break; - } - - if (scan) { - dev_priv->panel_fixed_mode = scan; - DRM_DEBUG("LVDS panel_fixed: %s\n", scan->name); + } } #if 0 -- cgit v1.2.3