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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2020 Intel Corporation
*/
#ifndef _INTEL_DDI_BUF_TRANS_H_
#define _INTEL_DDI_BUF_TRANS_H_
#include <linux/types.h>
struct drm_i915_private;
struct intel_encoder;
struct intel_crtc_state;
struct ddi_buf_trans {
u32 trans1; /* balance leg enable, de-emph level */
u32 trans2; /* vref sel, vswing */
u8 i_boost; /* SKL: I_boost; valid: 0x0, 0x1, 0x3, 0x7 */
};
struct bxt_ddi_buf_trans {
u8 margin; /* swing value */
u8 scale; /* scale value */
u8 enable; /* scale enable */
u8 deemphasis;
};
struct cnl_ddi_buf_trans {
u8 dw2_swing_sel;
u8 dw7_n_scalar;
u8 dw4_cursor_coeff;
u8 dw4_post_cursor_2;
u8 dw4_post_cursor_1;
};
struct icl_mg_phy_ddi_buf_trans {
u32 cri_txdeemph_override_11_6;
u32 cri_txdeemph_override_5_0;
u32 cri_txdeemph_override_17_12;
};
struct tgl_dkl_phy_ddi_buf_trans {
u32 dkl_vswing_control;
u32 dkl_preshoot_control;
u32 dkl_de_emphasis_control;
};
bool is_hobl_buf_trans(const struct cnl_ddi_buf_trans *table);
int intel_ddi_hdmi_num_entries(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *default_entry);
const struct ddi_buf_trans *
intel_ddi_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries);
const struct ddi_buf_trans *
intel_ddi_get_buf_trans_fdi(struct drm_i915_private *dev_priv,
int *n_entries);
const struct ddi_buf_trans *
intel_ddi_get_buf_trans_hdmi(struct intel_encoder *encoder,
int *n_entries);
const struct ddi_buf_trans *
intel_ddi_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries);
const struct bxt_ddi_buf_trans *
bxt_get_buf_trans(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *n_entries);
const struct tgl_dkl_phy_ddi_buf_trans *
adlp_get_dkl_buf_trans(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *n_entries);
const struct cnl_ddi_buf_trans *
tgl_get_combo_buf_trans(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *n_entries);
const struct tgl_dkl_phy_ddi_buf_trans *
tgl_get_dkl_buf_trans(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *n_entries);
const struct cnl_ddi_buf_trans *
jsl_get_combo_buf_trans(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *n_entries);
const struct cnl_ddi_buf_trans *
ehl_get_combo_buf_trans(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *n_entries);
const struct cnl_ddi_buf_trans *
icl_get_combo_buf_trans(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *n_entries);
const struct icl_mg_phy_ddi_buf_trans *
icl_get_mg_buf_trans(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *n_entries);
const struct cnl_ddi_buf_trans *
cnl_get_buf_trans(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *n_entries);
#endif
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