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Diffstat (limited to 'linux-core/intel_dvo.c')
-rw-r--r--linux-core/intel_dvo.c507
1 files changed, 0 insertions, 507 deletions
diff --git a/linux-core/intel_dvo.c b/linux-core/intel_dvo.c
deleted file mode 100644
index 39ec65d2..00000000
--- a/linux-core/intel_dvo.c
+++ /dev/null
@@ -1,507 +0,0 @@
-/*
- * 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>
- */
-
-#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 "dvo.h"
-
-#define SIL164_ADDR 0x38
-#define CH7xxx_ADDR 0x76
-#define TFP410_ADDR 0x38
-
-extern struct intel_dvo_dev_ops sil164_ops;
-extern struct intel_dvo_dev_ops ch7xxx_ops;
-extern struct intel_dvo_dev_ops ivch_ops;
-extern struct intel_dvo_dev_ops tfp410_ops;
-extern struct intel_dvo_dev_ops ch7017_ops;
-
-struct intel_dvo_device intel_dvo_devices[] = {
- {
- .type = INTEL_DVO_CHIP_TMDS,
- .name = "sil164",
- .dvo_reg = DVOC,
- .slave_addr = SIL164_ADDR,
- .dev_ops = &sil164_ops,
- },
- {
- .type = INTEL_DVO_CHIP_TMDS,
- .name = "ch7xxx",
- .dvo_reg = DVOC,
- .slave_addr = CH7xxx_ADDR,
- .dev_ops = &ch7xxx_ops,
- },
- {
- .type = INTEL_DVO_CHIP_LVDS,
- .name = "ivch",
- .dvo_reg = DVOA,
- .slave_addr = 0x02, /* Might also be 0x44, 0x84, 0xc4 */
- .dev_ops = &ivch_ops,
- },
- {
- .type = INTEL_DVO_CHIP_TMDS,
- .name = "tfp410",
- .dvo_reg = DVOC,
- .slave_addr = TFP410_ADDR,
- .dev_ops = &tfp410_ops,
- },
- {
- .type = INTEL_DVO_CHIP_LVDS,
- .name = "ch7017",
- .dvo_reg = DVOC,
- .slave_addr = 0x75,
- .gpio = GPIOE,
- .dev_ops = &ch7017_ops,
- }
-};
-
-static void intel_dvo_dpms(struct drm_encoder *encoder, int mode)
-{
- struct drm_i915_private *dev_priv = encoder->dev->dev_private;
- struct intel_output *intel_output = enc_to_intel_output(encoder);
- struct intel_dvo_device *dvo = intel_output->dev_priv;
- u32 dvo_reg = dvo->dvo_reg;
- u32 temp = I915_READ(dvo_reg);
-
- if (mode == DRM_MODE_DPMS_ON) {
- I915_WRITE(dvo_reg, temp | DVO_ENABLE);
- I915_READ(dvo_reg);
- dvo->dev_ops->dpms(dvo, mode);
- } else {
- dvo->dev_ops->dpms(dvo, mode);
- I915_WRITE(dvo_reg, temp & ~DVO_ENABLE);
- I915_READ(dvo_reg);
- }
-}
-
-static void intel_dvo_save(struct drm_connector *connector)
-{
- struct drm_i915_private *dev_priv = connector->dev->dev_private;
- struct intel_output *intel_output = to_intel_output(connector);
- struct intel_dvo_device *dvo = intel_output->dev_priv;
-
- /* Each output should probably just save the registers it touches,
- * but for now, use more overkill.
- */
- dev_priv->saveDVOA = I915_READ(DVOA);
- dev_priv->saveDVOB = I915_READ(DVOB);
- dev_priv->saveDVOC = I915_READ(DVOC);
-
- dvo->dev_ops->save(dvo);
-}
-
-static void intel_dvo_restore(struct drm_connector *connector)
-{
- struct drm_i915_private *dev_priv = connector->dev->dev_private;
- struct intel_output *intel_output = to_intel_output(connector);
- struct intel_dvo_device *dvo = intel_output->dev_priv;
-
- dvo->dev_ops->restore(dvo);
-
- I915_WRITE(DVOA, dev_priv->saveDVOA);
- I915_WRITE(DVOB, dev_priv->saveDVOB);
- I915_WRITE(DVOC, dev_priv->saveDVOC);
-}
-
-static int intel_dvo_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
-{
- struct intel_output *intel_output = to_intel_output(connector);
- struct intel_dvo_device *dvo = intel_output->dev_priv;
-
- if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
- return MODE_NO_DBLESCAN;
-
- /* XXX: Validate clock range */
-
- if (dvo->panel_fixed_mode) {
- if (mode->hdisplay > dvo->panel_fixed_mode->hdisplay)
- return MODE_PANEL;
- if (mode->vdisplay > dvo->panel_fixed_mode->vdisplay)
- return MODE_PANEL;
- }
-
- return dvo->dev_ops->mode_valid(dvo, mode);
-}
-
-static bool intel_dvo_mode_fixup(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct intel_output *intel_output = enc_to_intel_output(encoder);
- struct intel_dvo_device *dvo = intel_output->dev_priv;
-
- /* 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 (dvo->panel_fixed_mode != NULL) {
-#define C(x) adjusted_mode->x = dvo->panel_fixed_mode->x
- C(hdisplay);
- C(hsync_start);
- C(hsync_end);
- C(htotal);
- C(vdisplay);
- C(vsync_start);
- C(vsync_end);
- C(vtotal);
- C(clock);
- drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
-#undef C
- }
-
- if (dvo->dev_ops->mode_fixup)
- return dvo->dev_ops->mode_fixup(dvo, mode, adjusted_mode);
-
- return true;
-}
-
-static void intel_dvo_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 intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
- struct intel_output *intel_output = enc_to_intel_output(encoder);
- struct intel_dvo_device *dvo = intel_output->dev_priv;
- int pipe = intel_crtc->pipe;
- u32 dvo_val;
- u32 dvo_reg = dvo->dvo_reg, dvo_srcdim_reg;
- int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-
- switch (dvo_reg) {
- case DVOA:
- default:
- dvo_srcdim_reg = DVOA_SRCDIM;
- break;
- case DVOB:
- dvo_srcdim_reg = DVOB_SRCDIM;
- break;
- case DVOC:
- dvo_srcdim_reg = DVOC_SRCDIM;
- break;
- }
-
- dvo->dev_ops->mode_set(dvo, mode, adjusted_mode);
-
- /* Save the data order, since I don't know what it should be set to. */
- dvo_val = I915_READ(dvo_reg) &
- (DVO_PRESERVE_MASK | DVO_DATA_ORDER_GBRG);
- dvo_val |= DVO_DATA_ORDER_FP | DVO_BORDER_ENABLE |
- DVO_BLANK_ACTIVE_HIGH;
-
- if (pipe == 1)
- dvo_val |= DVO_PIPE_B_SELECT;
- dvo_val |= DVO_PIPE_STALL;
- if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
- dvo_val |= DVO_HSYNC_ACTIVE_HIGH;
- if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
- dvo_val |= DVO_VSYNC_ACTIVE_HIGH;
-
- I915_WRITE(dpll_reg, I915_READ(dpll_reg) | DPLL_DVO_HIGH_SPEED);
-
- /*I915_WRITE(DVOB_SRCDIM,
- (adjusted_mode->hdisplay << DVO_SRCDIM_HORIZONTAL_SHIFT) |
- (adjusted_mode->VDisplay << DVO_SRCDIM_VERTICAL_SHIFT));*/
- I915_WRITE(dvo_srcdim_reg,
- (adjusted_mode->hdisplay << DVO_SRCDIM_HORIZONTAL_SHIFT) |
- (adjusted_mode->vdisplay << DVO_SRCDIM_VERTICAL_SHIFT));
- /*I915_WRITE(DVOB, dvo_val);*/
- I915_WRITE(dvo_reg, dvo_val);
-}
-
-/**
- * Detect the output connection on our DVO device.
- *
- * Unimplemented.
- */
-static enum drm_connector_status intel_dvo_detect(struct drm_connector *connector)
-{
- struct intel_output *intel_output = to_intel_output(connector);
- struct intel_dvo_device *dvo = intel_output->dev_priv;
-
- return dvo->dev_ops->detect(dvo);
-}
-
-static int intel_dvo_get_modes(struct drm_connector *connector)
-{
- struct intel_output *intel_output = to_intel_output(connector);
- struct intel_dvo_device *dvo = intel_output->dev_priv;
-
- /* We should probably have an i2c driver get_modes function for those
- * devices which will have a fixed set of modes determined by the chip
- * (TV-out, for example), but for now with just TMDS and LVDS,
- * that's not the case.
- */
- intel_ddc_get_modes(intel_output);
- if (!list_empty(&connector->probed_modes))
- return 1;
-
-#if 0
- if (intel_output->i2c_drv->vid_rec->get_modes)
- {
- modes = intel_output->i2c_drv->vid_rec->get_modes (intel_output->i2c_drv->dev_priv);
- if (modes != NULL)
- return modes;
- }
-#endif
-
- if (dvo->panel_fixed_mode != NULL) {
- struct drm_display_mode *mode;
- mode = drm_mode_duplicate(connector->dev, dvo->panel_fixed_mode);
- if (mode) {
- drm_mode_probed_add(connector, mode);
- return 1;
- }
- }
- return 0;
-}
-
-static void intel_dvo_destroy (struct drm_connector *connector)
-{
- struct intel_output *intel_output = to_intel_output(connector);
- struct intel_dvo_device *dvo = intel_output->dev_priv;
-
- if (dvo) {
- if (dvo->dev_ops->destroy)
- dvo->dev_ops->destroy(dvo);
- if (dvo->panel_fixed_mode)
- kfree(dvo->panel_fixed_mode);
- /* no need, in i830_dvoices[] now */
- //kfree(dvo);
- }
- if (intel_output->i2c_bus)
- intel_i2c_destroy(intel_output->i2c_bus);
- if (intel_output->ddc_bus)
- intel_i2c_destroy(intel_output->ddc_bus);
- drm_sysfs_connector_remove(connector);
- drm_connector_cleanup(connector);
- kfree(intel_output);
-}
-
-#ifdef RANDR_GET_CRTC_INTERFACE
-static struct drm_crtc *intel_dvo_get_crtc(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_dvo_device *dvo = intel_output->dev_priv;
- int pipe = !!(I915_READ(dvo->dvo_reg) & SDVO_PIPE_B_SELECT);
-
- return intel_pipe_to_crtc(pScrn, pipe);
-}
-#endif
-
-static const struct drm_encoder_helper_funcs intel_dvo_helper_funcs = {
- .dpms = intel_dvo_dpms,
- .mode_fixup = intel_dvo_mode_fixup,
- .prepare = intel_encoder_prepare,
- .mode_set = intel_dvo_mode_set,
- .commit = intel_encoder_commit,
-};
-
-static const struct drm_connector_funcs intel_dvo_connector_funcs = {
- .save = intel_dvo_save,
- .restore = intel_dvo_restore,
- .detect = intel_dvo_detect,
- .destroy = intel_dvo_destroy,
- .fill_modes = drm_helper_probe_single_connector_modes,
-};
-
-static const struct drm_connector_helper_funcs intel_dvo_connector_helper_funcs = {
- .mode_valid = intel_dvo_mode_valid,
- .get_modes = intel_dvo_get_modes,
- .best_encoder = intel_best_encoder,
-};
-
-void intel_dvo_enc_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs intel_dvo_enc_funcs = {
- .destroy = intel_dvo_enc_destroy,
-};
-
-
-/**
- * Attempts to get a fixed panel timing for LVDS (currently only the i830).
- *
- * Other chips with DVO LVDS will need to extend this to deal with the LVDS
- * chip being on DVOB/C and having multiple pipes.
- */
-static struct drm_display_mode *
-intel_dvo_get_current_mode (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_dvo_device *dvo = intel_output->dev_priv;
- uint32_t dvo_reg = dvo->dvo_reg;
- uint32_t dvo_val = I915_READ(dvo_reg);
- struct drm_display_mode *mode = NULL;
-
- /* If the DVO port is active, that'll be the LVDS, so we can pull out
- * its timings to get how the BIOS set up the panel.
- */
- if (dvo_val & DVO_ENABLE) {
- struct drm_crtc *crtc;
- int pipe = (dvo_val & DVO_PIPE_B_SELECT) ? 1 : 0;
-
- crtc = intel_get_crtc_from_pipe(dev, pipe);
- if (crtc) {
- mode = intel_crtc_mode_get(dev, crtc);
-
- if (mode) {
- mode->type |= DRM_MODE_TYPE_PREFERRED;
- if (dvo_val & DVO_HSYNC_ACTIVE_HIGH)
- mode->flags |= DRM_MODE_FLAG_PHSYNC;
- if (dvo_val & DVO_VSYNC_ACTIVE_HIGH)
- mode->flags |= DRM_MODE_FLAG_PVSYNC;
- }
- }
- }
- return mode;
-}
-
-void intel_dvo_init(struct drm_device *dev)
-{
- struct intel_output *intel_output;
- struct intel_dvo_device *dvo;
- struct intel_i2c_chan *i2cbus = NULL;
- int ret = 0;
- int i;
- int gpio_inited = 0;
- int encoder_type = DRM_MODE_ENCODER_NONE;
- intel_output = kzalloc (sizeof(struct intel_output), GFP_KERNEL);
- if (!intel_output)
- return;
-
- /* Set up the DDC bus */
- intel_output->ddc_bus = intel_i2c_create(dev, GPIOD, "DVODDC_D");
- if (!intel_output->ddc_bus)
- goto free_intel;
-
- /* Now, try to find a controller */
- for (i = 0; i < ARRAY_SIZE(intel_dvo_devices); i++) {
- struct drm_connector *connector = &intel_output->base;
- int gpio;
-
- dvo = &intel_dvo_devices[i];
-
- /* Allow the I2C driver info to specify the GPIO to be used in
- * special cases, but otherwise default to what's defined
- * in the spec.
- */
- if (dvo->gpio != 0)
- gpio = dvo->gpio;
- else if (dvo->type == INTEL_DVO_CHIP_LVDS)
- gpio = GPIOB;
- else
- gpio = GPIOE;
-
- /* Set up the I2C bus necessary for the chip we're probing.
- * It appears that everything is on GPIOE except for panels
- * on i830 laptops, which are on GPIOB (DVOA).
- */
- if (gpio_inited != gpio) {
- if (i2cbus != NULL)
- intel_i2c_destroy(i2cbus);
- if (!(i2cbus = intel_i2c_create(dev, gpio,
- gpio == GPIOB ? "DVOI2C_B" : "DVOI2C_E"))) {
- continue;
- }
- gpio_inited = gpio;
- }
-
- if (dvo->dev_ops!= NULL)
- ret = dvo->dev_ops->init(dvo, i2cbus);
- else
- ret = false;
-
- if (!ret)
- continue;
-
- intel_output->type = INTEL_OUTPUT_DVO;
- switch (dvo->type) {
- case INTEL_DVO_CHIP_TMDS:
- // connector = DRM_MODE_CONNECTOR_DVID;
- drm_connector_init(dev, connector, &intel_dvo_connector_funcs,
- DRM_MODE_CONNECTOR_DVII);
- encoder_type = DRM_MODE_ENCODER_TMDS;
- break;
- case INTEL_DVO_CHIP_LVDS:
- // connector = DRM_MODE_CONNECTOR_LVDS;
- drm_connector_init(dev, connector, &intel_dvo_connector_funcs,
- DRM_MODE_CONNECTOR_LVDS);
- encoder_type = DRM_MODE_ENCODER_LVDS;
- break;
- }
-
- drm_connector_helper_add(connector, &intel_dvo_connector_helper_funcs);
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
- connector->interlace_allowed = false;
- connector->doublescan_allowed = false;
-
- intel_output->dev_priv = dvo;
- intel_output->i2c_bus = i2cbus;
-
- drm_encoder_init(dev, &intel_output->enc, &intel_dvo_enc_funcs, encoder_type);
- drm_encoder_helper_add(&intel_output->enc, &intel_dvo_helper_funcs);
-
- drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
- if (dvo->type == INTEL_DVO_CHIP_LVDS) {
- /* For our LVDS chipsets, we should hopefully be able
- * to dig the fixed panel mode out of the BIOS data.
- * However, it's in a different format from the BIOS
- * data on chipsets with integrated LVDS (stored in AIM
- * headers, likely), so for now, just get the current
- * mode being output through DVO.
- */
- dvo->panel_fixed_mode = intel_dvo_get_current_mode(connector);
- dvo->panel_wants_dither = true;
- }
-
- drm_sysfs_connector_add(connector);
- return;
- }
-
- intel_i2c_destroy(intel_output->ddc_bus);
- /* Didn't find a chip, so tear down. */
- if (i2cbus != NULL)
- intel_i2c_destroy(i2cbus);
-free_intel:
- kfree(intel_output);
-}