99092a976c
Ville suggested this, these tables are probably better being standalone. This fixes up the cnl/bxt interfaces to be like the others, the intel one I left alone since it has a few extra entrypoints. v2: add back missing rocketlake bits. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com> [Jani: made some functions static] Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/def9eed2581d71863ccdf35f323b525facc2482c.1612467466.git.jani.nikula@intel.com
100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2020 Intel Corporation
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*/
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#ifndef _INTEL_DDI_BUF_TRANS_H_
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#define _INTEL_DDI_BUF_TRANS_H_
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#include <linux/types.h>
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struct drm_i915_private;
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struct intel_encoder;
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struct intel_crtc_state;
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struct ddi_buf_trans {
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u32 trans1; /* balance leg enable, de-emph level */
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u32 trans2; /* vref sel, vswing */
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u8 i_boost; /* SKL: I_boost; valid: 0x0, 0x1, 0x3, 0x7 */
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};
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struct bxt_ddi_buf_trans {
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u8 margin; /* swing value */
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u8 scale; /* scale value */
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u8 enable; /* scale enable */
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u8 deemphasis;
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};
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struct cnl_ddi_buf_trans {
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u8 dw2_swing_sel;
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u8 dw7_n_scalar;
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u8 dw4_cursor_coeff;
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u8 dw4_post_cursor_2;
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u8 dw4_post_cursor_1;
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};
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struct icl_mg_phy_ddi_buf_trans {
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u32 cri_txdeemph_override_11_6;
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u32 cri_txdeemph_override_5_0;
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u32 cri_txdeemph_override_17_12;
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};
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struct tgl_dkl_phy_ddi_buf_trans {
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u32 dkl_vswing_control;
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u32 dkl_preshoot_control;
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u32 dkl_de_emphasis_control;
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};
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bool is_hobl_buf_trans(const struct cnl_ddi_buf_trans *table);
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int intel_ddi_hdmi_num_entries(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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int *default_entry);
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const struct ddi_buf_trans *
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intel_ddi_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries);
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const struct ddi_buf_trans *
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intel_ddi_get_buf_trans_fdi(struct drm_i915_private *dev_priv,
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int *n_entries);
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const struct ddi_buf_trans *
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intel_ddi_get_buf_trans_hdmi(struct intel_encoder *encoder,
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int *n_entries);
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const struct ddi_buf_trans *
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intel_ddi_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries);
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const struct bxt_ddi_buf_trans *
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bxt_get_buf_trans(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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int *n_entries);
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const struct cnl_ddi_buf_trans *
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tgl_get_combo_buf_trans(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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int *n_entries);
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const struct tgl_dkl_phy_ddi_buf_trans *
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tgl_get_dkl_buf_trans(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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int *n_entries);
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const struct cnl_ddi_buf_trans *
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jsl_get_combo_buf_trans(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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int *n_entries);
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const struct cnl_ddi_buf_trans *
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ehl_get_combo_buf_trans(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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int *n_entries);
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const struct cnl_ddi_buf_trans *
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icl_get_combo_buf_trans(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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int *n_entries);
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const struct icl_mg_phy_ddi_buf_trans *
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icl_get_mg_buf_trans(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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int *n_entries);
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const struct cnl_ddi_buf_trans *
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cnl_get_buf_trans(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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int *n_entries);
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#endif
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