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gma500: oops.. thou shalt stg add... 

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox 2011-07-05 18:45:40 +01:00 committed by Greg Kroah-Hartman
parent 0ad91794cc
commit 11aba30403
3 changed files with 732 additions and 0 deletions
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36
drivers/staging/gma500/cdv_device.h Normal file
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/*
* Copyright © 2011 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
extern const struct drm_crtc_helper_funcs cdv_intel_helper_funcs;
extern const struct drm_crtc_funcs cdv_intel_crtc_funcs;
extern void cdv_intel_crt_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev);
extern void cdv_intel_lvds_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev);
extern void cdv_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev,
int reg);
extern struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev,
struct drm_crtc *crtc);
extern inline void cdv_intel_wait_for_vblank(struct drm_device *dev)
{
/* Wait for 20ms, i.e. one cycle at 50hz. */
/* FIXME: msleep ?? */
mdelay(20);
}

323
drivers/staging/gma500/cdv_intel_crt.c Normal file
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/*
* 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 <drm/drmP.h>
#include "intel_bios.h"
#include "psb_drv.h"
#include "psb_intel_drv.h"
#include "psb_intel_reg.h"
#include "power.h"
#include <linux/pm_runtime.h>
static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode)
{
struct drm_device *dev = encoder->dev;
u32 temp, reg;
reg = ADPA;
temp = REG_READ(reg);
temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
temp &= ~ADPA_DAC_ENABLE;
switch(mode) {
case DRM_MODE_DPMS_ON:
temp |= ADPA_DAC_ENABLE;
break;
case DRM_MODE_DPMS_STANDBY:
temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE;
break;
case DRM_MODE_DPMS_SUSPEND:
temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE;
break;
case DRM_MODE_DPMS_OFF:
temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE;
break;
}
REG_WRITE(reg, temp);
}
static int cdv_intel_crt_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
int max_clock = 0;
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
return MODE_NO_DBLESCAN;
/* The lowest clock for CDV is 20000KHz */
if (mode->clock < 20000)
return MODE_CLOCK_LOW;
/* The max clock for CDV is 355 instead of 400 */
max_clock = 355000;
if (mode->clock > max_clock)
return MODE_CLOCK_HIGH;
if (mode->hdisplay > 1680 || mode->vdisplay > 1050)
return MODE_PANEL;
return MODE_OK;
}
static bool cdv_intel_crt_mode_fixup(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
return true;
}
static void cdv_intel_crt_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_crtc *crtc = encoder->crtc;
struct psb_intel_crtc *psb_intel_crtc =
to_psb_intel_crtc(crtc);
int dpll_md_reg;
u32 adpa, dpll_md;
u32 adpa_reg;
if (psb_intel_crtc->pipe == 0)
dpll_md_reg = DPLL_A_MD;
else
dpll_md_reg = DPLL_B_MD;
adpa_reg = ADPA;
/*
* Disable separate mode multiplier used when cloning SDVO to CRT
* XXX this needs to be adjusted when we really are cloning
*/
{
dpll_md = REG_READ(dpll_md_reg);
REG_WRITE(dpll_md_reg,
dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
}
adpa = 0;
if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
adpa |= ADPA_HSYNC_ACTIVE_HIGH;
if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
adpa |= ADPA_VSYNC_ACTIVE_HIGH;
if (psb_intel_crtc->pipe == 0) {
adpa |= ADPA_PIPE_A_SELECT;
} else {
adpa |= ADPA_PIPE_B_SELECT;
}
REG_WRITE(adpa_reg, adpa);
}
/**
* Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence.
*
* \return true if CRT is connected.
* \return false if CRT is disconnected.
*/
static bool cdv_intel_crt_detect_hotplug(struct drm_connector *connector, bool force)
{
struct drm_device *dev = connector->dev;
u32 hotplug_en;
int i, tries = 0, ret = false;
u32 adpa_orig;
/* disable the DAC when doing the hotplug detection */
adpa_orig = REG_READ(ADPA);
REG_WRITE(ADPA, adpa_orig & ~(ADPA_DAC_ENABLE));
/*
* On a CDV thep, CRT detect sequence need to be done twice
* to get a reliable result.
*/
tries = 2;
hotplug_en = REG_READ(PORT_HOTPLUG_EN);
hotplug_en &= ~(CRT_HOTPLUG_DETECT_MASK);
hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
for (i = 0; i < tries ; i++) {
unsigned long timeout;
/* turn on the FORCE_DETECT */
REG_WRITE(PORT_HOTPLUG_EN, hotplug_en);
timeout = jiffies + msecs_to_jiffies(1000);
/* wait for FORCE_DETECT to go off */
do {
if (!(REG_READ(PORT_HOTPLUG_EN) &
CRT_HOTPLUG_FORCE_DETECT))
break;
msleep(1);
} while (time_after(timeout, jiffies));
}
if ((REG_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) !=
CRT_HOTPLUG_MONITOR_NONE)
ret = true;
/* Restore the saved ADPA */
REG_WRITE(ADPA, adpa_orig);
return ret;
}
static enum drm_connector_status cdv_intel_crt_detect(struct drm_connector *connector, bool force)
{
if (cdv_intel_crt_detect_hotplug(connector, force))
return connector_status_connected;
else
return connector_status_disconnected;
}
static void cdv_intel_crt_destroy(struct drm_connector *connector)
{
struct psb_intel_output *intel_output = to_psb_intel_output(connector);
psb_intel_i2c_destroy(intel_output->ddc_bus);
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(connector);
}
static int cdv_intel_crt_get_modes(struct drm_connector *connector)
{
struct psb_intel_output *intel_output =
to_psb_intel_output(connector);
return psb_intel_ddc_get_modes(intel_output);
}
static int cdv_intel_crt_set_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t value)
{
return 0;
}
/*
* Routines for controlling stuff on the analog port
*/
static const struct drm_encoder_helper_funcs cdv_intel_crt_helper_funcs = {
.dpms = cdv_intel_crt_dpms,
.mode_fixup = cdv_intel_crt_mode_fixup,
.prepare = psb_intel_encoder_prepare,
.commit = psb_intel_encoder_commit,
.mode_set = cdv_intel_crt_mode_set,
};
static const struct drm_connector_funcs cdv_intel_crt_connector_funcs = {
.dpms = drm_helper_connector_dpms,
.detect = cdv_intel_crt_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
.destroy = cdv_intel_crt_destroy,
.set_property = cdv_intel_crt_set_property,
};
static const struct drm_connector_helper_funcs cdv_intel_crt_connector_helper_funcs = {
.mode_valid = cdv_intel_crt_mode_valid,
.get_modes = cdv_intel_crt_get_modes,
.best_encoder = psb_intel_best_encoder,
};
static void cdv_intel_crt_enc_destroy(struct drm_encoder *encoder)
{
drm_encoder_cleanup(encoder);
}
static const struct drm_encoder_funcs cdv_intel_crt_enc_funcs = {
.destroy = cdv_intel_crt_enc_destroy,
};
void cdv_intel_crt_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev)
{
struct psb_intel_output *psb_intel_output;
struct drm_connector *connector;
struct drm_encoder *encoder;
u32 i2c_reg;
psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
if (!psb_intel_output)
return;
psb_intel_output->mode_dev = mode_dev;
connector = &psb_intel_output->base;
drm_connector_init(dev, connector,
&cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
encoder = &psb_intel_output->enc;
drm_encoder_init(dev, encoder,
&cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC);
drm_mode_connector_attach_encoder(&psb_intel_output->base,
&psb_intel_output->enc);
/* Set up the DDC bus. */
i2c_reg = GPIOA;
/* Remove the following code for CDV */
/*
if (dev_priv->crt_ddc_bus != 0)
i2c_reg = dev_priv->crt_ddc_bus;
}*/
psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
i2c_reg, "CRTDDC_A");
if (!psb_intel_output->ddc_bus) {
dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
"failed.\n");
goto failed_ddc;
}
psb_intel_output->type = INTEL_OUTPUT_ANALOG;
/*
psb_intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT);
psb_intel_output->crtc_mask = (1 << 0) | (1 << 1);
*/
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
drm_encoder_helper_add(encoder, &cdv_intel_crt_helper_funcs);
drm_connector_helper_add(connector, &cdv_intel_crt_connector_helper_funcs);
drm_sysfs_connector_add(connector);
return;
failed_ddc:
drm_encoder_cleanup(&psb_intel_output->enc);
drm_connector_cleanup(&psb_intel_output->base);
kfree(psb_intel_output);
return;
}

373
drivers/staging/gma500/cdv_intel_hdmi.c Normal file
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/*
* Copyright © 2006-2011 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:
* jim liu <jim.liu@intel.com>
*
* FIXME:
* We should probably make this generic and share it with Medfield
*/
#include <drm/drmP.h>
#include <drm/drm.h>
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include "psb_intel_drv.h"
#include "psb_drv.h"
#include "psb_intel_reg.h"
#include <linux/pm_runtime.h>
/* hdmi control bits */
#define HDMI_NULL_PACKETS_DURING_VSYNC (1 << 9)
#define HDMI_BORDER_ENABLE (1 << 7)
#define HDMI_AUDIO_ENABLE (1 << 6)
#define HDMI_VSYNC_ACTIVE_HIGH (1 << 4)
#define HDMI_HSYNC_ACTIVE_HIGH (1 << 3)
/* hdmi-b control bits */
#define HDMIB_PIPE_B_SELECT (1 << 30)
struct mid_intel_hdmi_priv {
u32 hdmi_reg;
u32 save_HDMIB;
bool has_hdmi_sink;
bool has_hdmi_audio;
/* Should set this when detect hotplug */
bool hdmi_device_connected;
struct mdfld_hdmi_i2c *i2c_bus;
struct i2c_adapter *hdmi_i2c_adapter; /* for control functions */
struct drm_device *dev;
};
static void cdv_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 psb_intel_output *output = enc_to_psb_intel_output(encoder);
struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
u32 hdmib;
struct drm_crtc *crtc = encoder->crtc;
struct psb_intel_crtc *intel_crtc = to_psb_intel_crtc(crtc);
hdmib = (2 << 10);
if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
hdmib |= HDMI_VSYNC_ACTIVE_HIGH;
if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
hdmib |= HDMI_HSYNC_ACTIVE_HIGH;
if (intel_crtc->pipe == 1)
hdmib |= HDMIB_PIPE_B_SELECT;
if (hdmi_priv->has_hdmi_audio) {
hdmib |= HDMI_AUDIO_ENABLE;
hdmib |= HDMI_NULL_PACKETS_DURING_VSYNC;
}
REG_WRITE(hdmi_priv->hdmi_reg, hdmib);
REG_READ(hdmi_priv->hdmi_reg);
}
static bool cdv_hdmi_mode_fixup(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
return true;
}
static void cdv_hdmi_dpms(struct drm_encoder *encoder, int mode)
{
struct drm_device *dev = encoder->dev;
struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
u32 hdmib;
hdmib = REG_READ(hdmi_priv->hdmi_reg);
if (mode != DRM_MODE_DPMS_ON) {
REG_WRITE(hdmi_priv->hdmi_reg, hdmib & ~HDMIB_PORT_EN);
} else {
REG_WRITE(hdmi_priv->hdmi_reg, hdmib | HDMIB_PORT_EN);
}
REG_READ(hdmi_priv->hdmi_reg);
}
static void cdv_hdmi_save(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct psb_intel_output *output = to_psb_intel_output(connector);
struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
hdmi_priv->save_HDMIB = REG_READ(hdmi_priv->hdmi_reg);
}
static void cdv_hdmi_restore(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct psb_intel_output *output = to_psb_intel_output(connector);
struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
REG_WRITE(hdmi_priv->hdmi_reg, hdmi_priv->save_HDMIB);
REG_READ(hdmi_priv->hdmi_reg);
}
static enum drm_connector_status cdv_hdmi_detect(struct drm_connector *connector, bool force)
{
struct drm_device *dev = connector->dev;
struct drm_psb_private *dev_priv = dev->dev_private;
struct psb_intel_output *psb_intel_output = to_psb_intel_output(connector);
struct mid_intel_hdmi_priv *hdmi_priv = psb_intel_output->dev_priv;
struct edid *edid = NULL;
enum drm_connector_status status = connector_status_disconnected;
edid = drm_get_edid(&psb_intel_output->base,
psb_intel_output->hdmi_i2c_adapter);
hdmi_priv->has_hdmi_sink = false;
hdmi_priv->has_hdmi_audio = false;
if (edid) {
if (edid->input & DRM_EDID_INPUT_DIGITAL) {
status = connector_status_connected;
hdmi_priv->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
hdmi_priv->has_hdmi_audio = drm_detect_monitor_audio(edid);
}
psb_intel_output->base.display_info.raw_edid = NULL;
kfree(edid);
}
return status;
}
static int cdv_hdmi_set_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t value)
{
struct drm_encoder *encoder = connector->encoder;
if (!strcmp(property->name, "scaling mode") && encoder) {
struct psb_intel_crtc *crtc = to_psb_intel_crtc(encoder->crtc);
bool centre;
uint64_t curValue;
if (!crtc)
return -1;
switch (value) {
case DRM_MODE_SCALE_FULLSCREEN:
break;
case DRM_MODE_SCALE_NO_SCALE:
break;
case DRM_MODE_SCALE_ASPECT:
break;
default:
return -1;
}
if (drm_connector_property_get_value(connector, property, &curValue))
return -1;
if (curValue == value)
return 0;
if (drm_connector_property_set_value(connector, property, value))
return -1;
centre = (curValue == DRM_MODE_SCALE_NO_SCALE) ||
(value == DRM_MODE_SCALE_NO_SCALE);
if (crtc->saved_mode.hdisplay != 0 &&
crtc->saved_mode.vdisplay != 0) {
if (centre) {
if (!drm_crtc_helper_set_mode(encoder->crtc, &crtc->saved_mode,
encoder->crtc->x, encoder->crtc->y, encoder->crtc->fb))
return -1;
} else {
struct drm_encoder_helper_funcs *helpers = encoder->helper_private;
helpers->mode_set(encoder, &crtc->saved_mode,
&crtc->saved_adjusted_mode);
}
}
}
return 0;
}
/*
* Return the list of HDMI DDC modes if available.
*/
static int cdv_hdmi_get_modes(struct drm_connector *connector)
{
struct psb_intel_output *psb_intel_output = to_psb_intel_output(connector);
struct edid *edid = NULL;
int ret = 0;
edid = drm_get_edid(&psb_intel_output->base,
psb_intel_output->hdmi_i2c_adapter);
if (edid) {
drm_mode_connector_update_edid_property(&psb_intel_output->
base, edid);
ret = drm_add_edid_modes(&psb_intel_output->base, edid);
kfree(edid);
}
return ret;
}
static int cdv_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;
/* just in case */
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
return MODE_NO_DBLESCAN;
/* just in case */
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
return MODE_NO_INTERLACE;
/*
* FIXME: fornow we limit the size to 1680x1050 on CDV, otherwise it will
* go beyond the stolen memory size allocated to the Framebuffer
*/
if (mode->hdisplay > 1680)
return MODE_PANEL;
if (mode->vdisplay > 1050)
return MODE_PANEL;
return MODE_OK;
}
static void cdv_hdmi_destroy(struct drm_connector *connector)
{
struct psb_intel_output *psb_intel_output =
to_psb_intel_output(connector);
if (psb_intel_output->ddc_bus)
psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(connector);
}
static const struct drm_encoder_helper_funcs cdv_hdmi_helper_funcs = {
.dpms = cdv_hdmi_dpms,
.mode_fixup = cdv_hdmi_mode_fixup,
.prepare = psb_intel_encoder_prepare,
.mode_set = cdv_hdmi_mode_set,
.commit = psb_intel_encoder_commit,
};
static const struct drm_connector_helper_funcs cdv_hdmi_connector_helper_funcs = {
.get_modes = cdv_hdmi_get_modes,
.mode_valid = cdv_hdmi_mode_valid,
.best_encoder = psb_intel_best_encoder,
};
static const struct drm_connector_funcs cdv_hdmi_connector_funcs = {
.dpms = drm_helper_connector_dpms,
.save = cdv_hdmi_save,
.restore = cdv_hdmi_restore,
.detect = cdv_hdmi_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
.set_property = cdv_hdmi_set_property,
.destroy = cdv_hdmi_destroy,
};
void cdv_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int reg)
{
struct psb_intel_output *psb_intel_output;
struct drm_connector *connector;
struct drm_encoder *encoder;
struct mid_intel_hdmi_priv *hdmi_priv;
int ddc_bus;
psb_intel_output = kzalloc(sizeof(struct psb_intel_output) +
sizeof(struct mid_intel_hdmi_priv), GFP_KERNEL);
if (!psb_intel_output)
return;
hdmi_priv = (struct mid_intel_hdmi_priv *)(psb_intel_output + 1);
psb_intel_output->mode_dev = mode_dev;
connector = &psb_intel_output->base;
encoder = &psb_intel_output->enc;
drm_connector_init(dev, &psb_intel_output->base,
&cdv_hdmi_connector_funcs,
DRM_MODE_CONNECTOR_DVID);
drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_lvds_enc_funcs,
DRM_MODE_ENCODER_TMDS);
drm_mode_connector_attach_encoder(&psb_intel_output->base,
&psb_intel_output->enc);
psb_intel_output->type = INTEL_OUTPUT_HDMI;
hdmi_priv->hdmi_reg = reg;
hdmi_priv->has_hdmi_sink = false;
psb_intel_output->dev_priv = hdmi_priv;
drm_encoder_helper_add(encoder, &cdv_hdmi_helper_funcs);
drm_connector_helper_add(connector,
&cdv_hdmi_connector_helper_funcs);
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
drm_connector_attach_property(connector, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN);
switch (reg) {
case SDVOB:
ddc_bus = GPIOE;
break;
case SDVOC:
ddc_bus = GPIOD;
break;
default:
DRM_ERROR("unknown reg 0x%x for HDMI\n", reg);
goto failed_ddc;
break;
}
psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
ddc_bus, (reg == SDVOB) ? "HDMIB":"HDMIC");
if (psb_intel_output->ddc_bus) {
/* HACKS_JLIU7 */
DRM_INFO("Enter cdv_hdmi_init, i2c_adapter is availabe.\n");
} else {
printk(KERN_ALERT "No ddc adapter available!\n");
goto failed_ddc;
}
psb_intel_output->hdmi_i2c_adapter = &(psb_intel_output->ddc_bus->adapter);
hdmi_priv->dev = dev;
drm_sysfs_connector_add(connector);
return;
failed_ddc:
drm_encoder_cleanup(&psb_intel_output->enc);
drm_connector_cleanup(&psb_intel_output->base);
kfree(psb_intel_output);
}