diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/Makefile | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 280 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sdvo.c | 8 |
7 files changed, 322 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index dd57a5bd457..793cba39d83 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -13,6 +13,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \ intel_crt.o \ intel_lvds.o \ intel_bios.o \ + intel_hdmi.o \ intel_sdvo.o \ intel_modes.o \ intel_i2c.o \ diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 4756e5cd6b5..563de18063f 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -664,6 +664,7 @@ extern void intel_modeset_cleanup(struct drm_device *dev); writel(upper_32_bits(val), dev_priv->regs + \ (reg) + 4)) #endif +#define POSTING_READ(reg) (void)I915_READ(reg) #define I915_VERBOSE 0 @@ -760,6 +761,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev)) #define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev)) +#define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev)) #define PRIMARY_RINGBUFFER_SIZE (128*1024) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 47e6bafeb74..102431577db 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -549,6 +549,8 @@ /** GM965 GM45 render standby register */ #define MCHBAR_RENDER_STANDBY 0x111B8 +#define PEG_BAND_GAP_DATA 0x14d68 + /* * Overlay regs */ @@ -612,6 +614,9 @@ /* Hotplug control (945+ only) */ #define PORT_HOTPLUG_EN 0x61110 +#define HDMIB_HOTPLUG_INT_EN (1 << 29) +#define HDMIC_HOTPLUG_INT_EN (1 << 28) +#define HDMID_HOTPLUG_INT_EN (1 << 27) #define SDVOB_HOTPLUG_INT_EN (1 << 26) #define SDVOC_HOTPLUG_INT_EN (1 << 25) #define TV_HOTPLUG_INT_EN (1 << 18) @@ -619,6 +624,9 @@ #define CRT_HOTPLUG_FORCE_DETECT (1 << 3) #define PORT_HOTPLUG_STAT 0x61114 +#define HDMIB_HOTPLUG_INT_STATUS (1 << 29) +#define HDMIC_HOTPLUG_INT_STATUS (1 << 28) +#define HDMID_HOTPLUG_INT_STATUS (1 << 27) #define CRT_HOTPLUG_INT_STATUS (1 << 11) #define TV_HOTPLUG_INT_STATUS (1 << 10) #define CRT_HOTPLUG_MONITOR_MASK (3 << 8) @@ -648,7 +656,16 @@ #define SDVO_PHASE_SELECT_DEFAULT (6 << 19) #define SDVO_CLOCK_OUTPUT_INVERT (1 << 18) #define SDVOC_GANG_MODE (1 << 16) +#define SDVO_ENCODING_SDVO (0x0 << 10) +#define SDVO_ENCODING_HDMI (0x2 << 10) +/** Requird for HDMI operation */ +#define SDVO_NULL_PACKETS_DURING_VSYNC (1 << 9) #define SDVO_BORDER_ENABLE (1 << 7) +#define SDVO_AUDIO_ENABLE (1 << 6) +/** New with 965, default is to be set */ +#define SDVO_VSYNC_ACTIVE_HIGH (1 << 4) +/** New with 965, default is to be set */ +#define SDVO_HSYNC_ACTIVE_HIGH (1 << 3) #define SDVOB_PCIE_CONCURRENCY (1 << 3) #define SDVO_DETECTED (1 << 2) /* Bits to be preserved when writing */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 1204d26b50d..67d06fd29d8 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -751,6 +751,7 @@ static void intel_crtc_mode_set(struct drm_crtc *crtc, is_lvds = true; break; case INTEL_OUTPUT_SDVO: + case INTEL_OUTPUT_HDMI: is_sdvo = true; break; case INTEL_OUTPUT_DVO: @@ -1443,8 +1444,15 @@ static void intel_setup_outputs(struct drm_device *dev) intel_lvds_init(dev); if (IS_I9XX(dev)) { - intel_sdvo_init(dev, SDVOB); - intel_sdvo_init(dev, SDVOC); + int found; + + found = intel_sdvo_init(dev, SDVOB); + if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) + intel_hdmi_init(dev, SDVOB); + + found = intel_sdvo_init(dev, SDVOC); + if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) + intel_hdmi_init(dev, SDVOC); } else intel_dvo_init(dev); @@ -1458,6 +1466,11 @@ static void intel_setup_outputs(struct drm_device *dev) /* valid crtcs */ switch(intel_output->type) { + case INTEL_OUTPUT_HDMI: + crtc_mask = ((1 << 0)| + (1 << 1)); + clone_mask = ((1 << INTEL_OUTPUT_HDMI)); + break; case INTEL_OUTPUT_DVO: case INTEL_OUTPUT_SDVO: crtc_mask = ((1 << 0)| diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 94981ee7b8b..8a4cc50c5b4 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -53,6 +53,7 @@ #define INTEL_OUTPUT_SDVO 3 #define INTEL_OUTPUT_LVDS 4 #define INTEL_OUTPUT_TVOUT 5 +#define INTEL_OUTPUT_HDMI 6 #define INTEL_DVO_CHIP_NONE 0 #define INTEL_DVO_CHIP_LVDS 1 @@ -109,7 +110,8 @@ int intel_ddc_get_modes(struct intel_output *intel_output); extern bool intel_ddc_probe(struct intel_output *intel_output); extern void intel_crt_init(struct drm_device *dev); -extern void intel_sdvo_init(struct drm_device *dev, int output_device); +extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg); +extern bool intel_sdvo_init(struct drm_device *dev, int output_device); extern void intel_dvo_init(struct drm_device *dev); extern void intel_tv_init(struct drm_device *dev); extern void intel_lvds_init(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c new file mode 100644 index 00000000000..b06a4a3ff08 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -0,0 +1,280 @@ +/* + * Copyright 2006 Dave Airlie <airlied@linux.ie> + * Copyright © 2006-2009 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> + * Jesse Barnes <jesse.barnes@intel.com> + */ + +#include <linux/i2c.h> +#include <linux/delay.h> +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" + +struct intel_hdmi_priv { + u32 sdvox_reg; + u32 save_SDVOX; + int has_hdmi_sink; +}; + +static void intel_hdmi_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = encoder->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc = encoder->crtc; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_output *intel_output = enc_to_intel_output(encoder); + struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv; + u32 sdvox; + + sdvox = SDVO_ENCODING_HDMI | + SDVO_BORDER_ENABLE | + SDVO_VSYNC_ACTIVE_HIGH | + SDVO_HSYNC_ACTIVE_HIGH; + + if (hdmi_priv->has_hdmi_sink) + sdvox |= SDVO_AUDIO_ENABLE; + + if (intel_crtc->pipe == 1) + sdvox |= SDVO_PIPE_B_SELECT; + + I915_WRITE(hdmi_priv->sdvox_reg, sdvox); + POSTING_READ(hdmi_priv->sdvox_reg); +} + +static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode) +{ + struct drm_device *dev = encoder->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_output *intel_output = enc_to_intel_output(encoder); + struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv; + u32 temp; + + if (mode != DRM_MODE_DPMS_ON) { + temp = I915_READ(hdmi_priv->sdvox_reg); + I915_WRITE(hdmi_priv->sdvox_reg, temp & ~SDVO_ENABLE); + } else { + temp = I915_READ(hdmi_priv->sdvox_reg); + I915_WRITE(hdmi_priv->sdvox_reg, temp | SDVO_ENABLE); + } + POSTING_READ(hdmi_priv->sdvox_reg); +} + +static void intel_hdmi_save(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_output *intel_output = to_intel_output(connector); + struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv; + + hdmi_priv->save_SDVOX = I915_READ(hdmi_priv->sdvox_reg); +} + +static void intel_hdmi_restore(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_output *intel_output = to_intel_output(connector); + struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv; + + I915_WRITE(hdmi_priv->sdvox_reg, hdmi_priv->save_SDVOX); + POSTING_READ(hdmi_priv->sdvox_reg); +} + +static int intel_hdmi_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + if (mode->clock > 165000) + return MODE_CLOCK_HIGH; + if (mode->clock < 20000) + return MODE_CLOCK_HIGH; + + if (mode->flags & DRM_MODE_FLAG_DBLSCAN) + return MODE_NO_DBLESCAN; + + return MODE_OK; +} + +static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +static enum drm_connector_status +intel_hdmi_detect(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_output *intel_output = to_intel_output(connector); + struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv; + u32 temp, bit; + + temp = I915_READ(PORT_HOTPLUG_EN); + + I915_WRITE(PORT_HOTPLUG_EN, + temp | + HDMIB_HOTPLUG_INT_EN | + HDMIC_HOTPLUG_INT_EN | + HDMID_HOTPLUG_INT_EN); + + POSTING_READ(PORT_HOTPLUG_EN); + + switch (hdmi_priv->sdvox_reg) { + case SDVOB: + bit = HDMIB_HOTPLUG_INT_STATUS; + break; + case SDVOC: + bit = HDMIC_HOTPLUG_INT_STATUS; + break; + default: + return connector_status_unknown; + } + + if ((I915_READ(PORT_HOTPLUG_STAT) & bit) != 0) + return connector_status_connected; + else + return connector_status_disconnected; +} + +static int intel_hdmi_get_modes(struct drm_connector *connector) +{ + struct intel_output *intel_output = to_intel_output(connector); + + /* We should parse the EDID data and find out if it's an HDMI sink so + * we can send audio to it. + */ + + return intel_ddc_get_modes(intel_output); +} + +static void intel_hdmi_destroy(struct drm_connector *connector) +{ + struct intel_output *intel_output = to_intel_output(connector); + + if (intel_output->i2c_bus) + intel_i2c_destroy(intel_output->i2c_bus); + drm_sysfs_connector_remove(connector); + drm_connector_cleanup(connector); + kfree(intel_output); +} + +static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = { + .dpms = intel_hdmi_dpms, + .mode_fixup = intel_hdmi_mode_fixup, + .prepare = intel_encoder_prepare, + .mode_set = intel_hdmi_mode_set, + .commit = intel_encoder_commit, +}; + +static const struct drm_connector_funcs intel_hdmi_connector_funcs = { + .save = intel_hdmi_save, + .restore = intel_hdmi_restore, + .detect = intel_hdmi_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = intel_hdmi_destroy, +}; + +static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs = { + .get_modes = intel_hdmi_get_modes, + .mode_valid = intel_hdmi_mode_valid, + .best_encoder = intel_best_encoder, +}; + +static void intel_hdmi_enc_destroy(struct drm_encoder *encoder) +{ + drm_encoder_cleanup(encoder); +} + +static const struct drm_encoder_funcs intel_hdmi_enc_funcs = { + .destroy = intel_hdmi_enc_destroy, +}; + + +void intel_hdmi_init(struct drm_device *dev, int sdvox_reg) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_connector *connector; + struct intel_output *intel_output; + struct intel_hdmi_priv *hdmi_priv; + + intel_output = kcalloc(sizeof(struct intel_output) + + sizeof(struct intel_hdmi_priv), 1, GFP_KERNEL); + if (!intel_output) + return; + hdmi_priv = (struct intel_hdmi_priv *)(intel_output + 1); + + connector = &intel_output->base; + drm_connector_init(dev, connector, &intel_hdmi_connector_funcs, + DRM_MODE_CONNECTOR_DVID); + drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs); + + intel_output->type = INTEL_OUTPUT_HDMI; + + connector->interlace_allowed = 0; + connector->doublescan_allowed = 0; + + /* Set up the DDC bus. */ + if (sdvox_reg == SDVOB) + intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "HDMIB"); + else + intel_output->ddc_bus = intel_i2c_create(dev, GPIOD, "HDMIC"); + + if (!intel_output->ddc_bus) + goto err_connector; + + hdmi_priv->sdvox_reg = sdvox_reg; + intel_output->dev_priv = hdmi_priv; + + drm_encoder_init(dev, &intel_output->enc, &intel_hdmi_enc_funcs, + DRM_MODE_ENCODER_TMDS); + drm_encoder_helper_add(&intel_output->enc, &intel_hdmi_helper_funcs); + + drm_mode_connector_attach_encoder(&intel_output->base, + &intel_output->enc); + drm_sysfs_connector_add(connector); + + /* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written + * 0xd. Failure to do so will result in spurious interrupts being + * generated on the port when a cable is not attached. + */ + if (IS_G4X(dev) && !IS_GM45(dev)) { + u32 temp = I915_READ(PEG_BAND_GAP_DATA); + I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd); + } + + return; + +err_connector: + drm_connector_cleanup(connector); + kfree(intel_output); + + return; +} diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index fbbaa4f414a..40721546910 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -978,7 +978,7 @@ static const struct drm_encoder_funcs intel_sdvo_enc_funcs = { }; -void intel_sdvo_init(struct drm_device *dev, int output_device) +bool intel_sdvo_init(struct drm_device *dev, int output_device) { struct drm_connector *connector; struct intel_output *intel_output; @@ -991,7 +991,7 @@ void intel_sdvo_init(struct drm_device *dev, int output_device) intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL); if (!intel_output) { - return; + return false; } connector = &intel_output->base; @@ -1116,7 +1116,7 @@ void intel_sdvo_init(struct drm_device *dev, int output_device) intel_output->ddc_bus = i2cbus; - return; + return true; err_i2c: intel_i2c_destroy(intel_output->i2c_bus); @@ -1124,5 +1124,5 @@ err_connector: drm_connector_cleanup(connector); kfree(intel_output); - return; + return false; } |