linux-stable/drivers/gpu/drm/i915/display/intel_dpio_phy.h
Ville Syrjälä 5f5ada0bae drm/i915: De-wrapper bxt_ddi_phy_set_signal_levels()
Convert bxt_ddi_phy_set_signal_levels() to act as the full
.set_signal_levels() hook instead of going through a pointless wrapper.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211001130107.1746-6-ville.syrjala@linux.intel.com
2021-10-04 12:43:01 +03:00

59 lines
2.4 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef __INTEL_DPIO_PHY_H__
#define __INTEL_DPIO_PHY_H__
#include <linux/types.h>
enum dpio_channel;
enum dpio_phy;
enum port;
struct drm_i915_private;
struct intel_crtc_state;
struct intel_encoder;
void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, enum port port,
enum dpio_phy *phy, enum dpio_channel *ch);
void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy);
void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy);
bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,
enum dpio_phy phy);
bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
enum dpio_phy phy);
u8 bxt_ddi_phy_calc_lane_lat_optim_mask(u8 lane_count);
void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder,
u8 lane_lat_optim_mask);
u8 bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder);
void chv_set_phy_signal_level(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
u32 deemph_reg_value, u32 margin_reg_value,
bool uniq_trans_scale);
void chv_data_lane_soft_reset(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
bool reset);
void chv_phy_pre_pll_enable(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void chv_phy_pre_encoder_enable(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void chv_phy_release_cl2_override(struct intel_encoder *encoder);
void chv_phy_post_pll_disable(struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state);
void vlv_set_phy_signal_level(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
u32 demph_reg_value, u32 preemph_reg_value,
u32 uniqtranscale_reg_value, u32 tx3_demph);
void vlv_phy_pre_pll_enable(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void vlv_phy_pre_encoder_enable(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void vlv_phy_reset_lanes(struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state);
#endif /* __INTEL_DPIO_PHY_H__ */