intel_crt.c | Explore in Territory

/*
 * 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 <[email protected]>
 */

#include <linux/dmi.h>
#include <linux/i2c.h>
#include <linux/slab.h>

#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_probe_helper.h>

#include "i915_drv.h"
#include "i915_irq.h"
#include "i915_reg.h"
#include "intel_connector.h"
#include "intel_crt.h"
#include "intel_crtc.h"
#include "intel_ddi.h"
#include "intel_ddi_buf_trans.h"
#include "intel_de.h"
#include "intel_display_driver.h"
#include "intel_display_types.h"
#include "intel_fdi.h"
#include "intel_fdi_regs.h"
#include "intel_fifo_underrun.h"
#include "intel_gmbus.h"
#include "intel_hotplug.h"
#include "intel_hotplug_irq.h"
#include "intel_load_detect.h"
#include "intel_pch_display.h"
#include "intel_pch_refclk.h"

/* Here's the desired hotplug mode */
#define ADPA_HOTPLUG_BITS …

struct intel_crt { … };

static struct intel_crt *intel_encoder_to_crt(struct intel_encoder *encoder)
{ … }

static struct intel_crt *intel_attached_crt(struct intel_connector *connector)
{ … }

bool intel_crt_port_enabled(struct drm_i915_private *dev_priv,
			    i915_reg_t adpa_reg, enum pipe *pipe)
{ … }

static bool intel_crt_get_hw_state(struct intel_encoder *encoder,
				   enum pipe *pipe)
{ … }

static unsigned int intel_crt_get_flags(struct intel_encoder *encoder)
{ … }

static void intel_crt_get_config(struct intel_encoder *encoder,
				 struct intel_crtc_state *pipe_config)
{ … }

static void hsw_crt_get_config(struct intel_encoder *encoder,
			       struct intel_crtc_state *pipe_config)
{ … }

/* Note: The caller is required to filter out dpms modes not supported by the
 * platform. */
static void intel_crt_set_dpms(struct intel_encoder *encoder,
			       const struct intel_crtc_state *crtc_state,
			       int mode)
{ … }

static void intel_disable_crt(struct intel_atomic_state *state,
			      struct intel_encoder *encoder,
			      const struct intel_crtc_state *old_crtc_state,
			      const struct drm_connector_state *old_conn_state)
{ … }

static void pch_disable_crt(struct intel_atomic_state *state,
			    struct intel_encoder *encoder,
			    const struct intel_crtc_state *old_crtc_state,
			    const struct drm_connector_state *old_conn_state)
{ … }

static void pch_post_disable_crt(struct intel_atomic_state *state,
				 struct intel_encoder *encoder,
				 const struct intel_crtc_state *old_crtc_state,
				 const struct drm_connector_state *old_conn_state)
{ … }

static void hsw_disable_crt(struct intel_atomic_state *state,
			    struct intel_encoder *encoder,
			    const struct intel_crtc_state *old_crtc_state,
			    const struct drm_connector_state *old_conn_state)
{ … }

static void hsw_post_disable_crt(struct intel_atomic_state *state,
				 struct intel_encoder *encoder,
				 const struct intel_crtc_state *old_crtc_state,
				 const struct drm_connector_state *old_conn_state)
{ … }

static void hsw_pre_pll_enable_crt(struct intel_atomic_state *state,
				   struct intel_encoder *encoder,
				   const struct intel_crtc_state *crtc_state,
				   const struct drm_connector_state *conn_state)
{ … }

static void hsw_pre_enable_crt(struct intel_atomic_state *state,
			       struct intel_encoder *encoder,
			       const struct intel_crtc_state *crtc_state,
			       const struct drm_connector_state *conn_state)
{ … }

static void hsw_enable_crt(struct intel_atomic_state *state,
			   struct intel_encoder *encoder,
			   const struct intel_crtc_state *crtc_state,
			   const struct drm_connector_state *conn_state)
{ … }

static void intel_enable_crt(struct intel_atomic_state *state,
			     struct intel_encoder *encoder,
			     const struct intel_crtc_state *crtc_state,
			     const struct drm_connector_state *conn_state)
{ … }

static enum drm_mode_status
intel_crt_mode_valid(struct drm_connector *connector,
		     struct drm_display_mode *mode)
{ … }

static int intel_crt_compute_config(struct intel_encoder *encoder,
				    struct intel_crtc_state *pipe_config,
				    struct drm_connector_state *conn_state)
{ … }

static int pch_crt_compute_config(struct intel_encoder *encoder,
				  struct intel_crtc_state *pipe_config,
				  struct drm_connector_state *conn_state)
{ … }

static int hsw_crt_compute_config(struct intel_encoder *encoder,
				  struct intel_crtc_state *pipe_config,
				  struct drm_connector_state *conn_state)
{ … }

static bool ilk_crt_detect_hotplug(struct drm_connector *connector)
{ … }

static bool valleyview_crt_detect_hotplug(struct drm_connector *connector)
{ … }

static bool intel_crt_detect_hotplug(struct drm_connector *connector)
{ … }

static const struct drm_edid *intel_crt_get_edid(struct drm_connector *connector,
						 struct i2c_adapter *ddc)
{ … }

/* local version of intel_ddc_get_modes() to use intel_crt_get_edid() */
static int intel_crt_ddc_get_modes(struct drm_connector *connector,
				   struct i2c_adapter *ddc)
{ … }

static bool intel_crt_detect_ddc(struct drm_connector *connector)
{ … }

static enum drm_connector_status
intel_crt_load_detect(struct intel_crt *crt, enum pipe pipe)
{ … }

static int intel_spurious_crt_detect_dmi_callback(const struct dmi_system_id *id)
{ … }

static const struct dmi_system_id intel_spurious_crt_detect[] = …;

static int
intel_crt_detect(struct drm_connector *connector,
		 struct drm_modeset_acquire_ctx *ctx,
		 bool force)
{ … }

static int intel_crt_get_modes(struct drm_connector *connector)
{ … }

void intel_crt_reset(struct drm_encoder *encoder)
{ … }

/*
 * Routines for controlling stuff on the analog port
 */

static const struct drm_connector_funcs intel_crt_connector_funcs = …;

static const struct drm_connector_helper_funcs intel_crt_connector_helper_funcs = …;

static const struct drm_encoder_funcs intel_crt_enc_funcs = …;

void intel_crt_init(struct drm_i915_private *dev_priv)
{ … }
linux/drivers/gpu/drm/i915/display/intel_crt.c
