linux/drivers/gpu/drm/i915/display/g4x_hdmi.c

// SPDX-License-Identifier: MIT
/*
 * Copyright © 2020 Intel Corporation
 *
 * HDMI support for G4x,ILK,SNB,IVB,VLV,CHV (HSW+ handled by the DDI code).
 */

#include "g4x_hdmi.h"
#include "i915_reg.h"
#include "intel_atomic.h"
#include "intel_audio.h"
#include "intel_connector.h"
#include "intel_crtc.h"
#include "intel_de.h"
#include "intel_display_power.h"
#include "intel_display_types.h"
#include "intel_dp_aux.h"
#include "intel_dpio_phy.h"
#include "intel_fdi.h"
#include "intel_fifo_underrun.h"
#include "intel_hdmi.h"
#include "intel_hotplug.h"
#include "intel_sdvo.h"
#include "vlv_sideband.h"

static void intel_hdmi_prepare(struct intel_encoder *encoder,
			       const struct intel_crtc_state *crtc_state)
{ … }

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

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

static bool g4x_compute_has_hdmi_sink(struct intel_atomic_state *state,
				      struct intel_crtc *this_crtc)
{ … }

static int g4x_hdmi_compute_config(struct intel_encoder *encoder,
				   struct intel_crtc_state *crtc_state,
				   struct drm_connector_state *conn_state)
{ … }

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

static void g4x_hdmi_enable_port(struct intel_encoder *encoder,
				 const struct intel_crtc_state *pipe_config)
{ … }

static void g4x_hdmi_audio_enable(struct intel_encoder *encoder,
				  const struct intel_crtc_state *crtc_state,
				  const struct drm_connector_state *conn_state)
{ … }

static void g4x_hdmi_audio_disable(struct intel_encoder *encoder,
				   const struct intel_crtc_state *old_crtc_state,
				   const struct drm_connector_state *old_conn_state)
{ … }

static void g4x_enable_hdmi(struct intel_atomic_state *state,
			    struct intel_encoder *encoder,
			    const struct intel_crtc_state *pipe_config,
			    const struct drm_connector_state *conn_state)
{ … }

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

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

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

static void intel_disable_hdmi(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 g4x_disable_hdmi(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_hdmi(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_hdmi(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 intel_hdmi_pre_enable(struct intel_atomic_state *state,
				  struct intel_encoder *encoder,
				  const struct intel_crtc_state *pipe_config,
				  const struct drm_connector_state *conn_state)
{ … }

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

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

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

static void chv_hdmi_post_pll_disable(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 vlv_hdmi_post_disable(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 chv_hdmi_post_disable(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 chv_hdmi_pre_enable(struct intel_atomic_state *state,
				struct intel_encoder *encoder,
				const struct intel_crtc_state *pipe_config,
				const struct drm_connector_state *conn_state)
{ … }

static const struct drm_encoder_funcs intel_hdmi_enc_funcs = …;

static enum intel_hotplug_state
intel_hdmi_hotplug(struct intel_encoder *encoder,
		   struct intel_connector *connector)
{ … }

int g4x_hdmi_connector_atomic_check(struct drm_connector *connector,
				    struct drm_atomic_state *state)
{ … }

static bool is_hdmi_port_valid(struct drm_i915_private *i915, enum port port)
{ … }

static bool assert_hdmi_port_valid(struct drm_i915_private *i915, enum port port)
{ … }

void g4x_hdmi_init(struct drm_i915_private *dev_priv,
		   i915_reg_t hdmi_reg, enum port port)
{ … }