1
0
Fork 0
mirror of synced 2025-03-06 20:59:54 +01:00
linux/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.h
Lucas De Marchi b623aae585 drm/i915/display: remove CNL ddi buf translation tables
The only real platform with DISPLAY_VER == 10 is GLK. We don't need to
handle CNL explicitly.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210729162332.1774275-1-lucas.demarchi@intel.com
2021-07-30 10:11:36 -07:00

70 lines
1.5 KiB
C

/* 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 hsw_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 icl_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;
};
union intel_ddi_buf_trans_entry {
struct hsw_ddi_buf_trans hsw;
struct bxt_ddi_buf_trans bxt;
struct icl_ddi_buf_trans icl;
struct icl_mg_phy_ddi_buf_trans mg;
struct tgl_dkl_phy_ddi_buf_trans dkl;
};
struct intel_ddi_buf_trans {
const union intel_ddi_buf_trans_entry *entries;
u8 num_entries;
u8 hdmi_default_entry;
};
bool is_hobl_buf_trans(const struct intel_ddi_buf_trans *table);
int intel_ddi_hdmi_num_entries(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int *default_entry);
void intel_ddi_buf_trans_init(struct intel_encoder *encoder);
#endif