1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
9 #include <drm/msm_drm.h>
16 struct msm_dp_display_mode {
17 struct drm_display_mode drm_mode;
21 bool out_fmt_is_yuv_420;
24 struct msm_dp_panel_in {
26 struct drm_dp_aux *aux;
27 struct msm_dp_link *link;
28 struct msm_dp_catalog *catalog;
31 struct msm_dp_panel_psr {
38 u8 dpcd[DP_RECEIVER_CAP_SIZE];
39 u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
41 struct msm_dp_link_info link_info;
42 const struct drm_edid *drm_edid;
43 struct drm_connector *connector;
44 struct msm_dp_display_mode msm_dp_mode;
45 struct msm_dp_panel_psr psr_cap;
47 bool vsc_sdp_supported;
55 int msm_dp_panel_init_panel_info(struct msm_dp_panel *msm_dp_panel);
56 int msm_dp_panel_deinit(struct msm_dp_panel *msm_dp_panel);
57 int msm_dp_panel_timing_cfg(struct msm_dp_panel *msm_dp_panel);
58 void msm_dp_panel_dump_regs(struct msm_dp_panel *msm_dp_panel);
59 int msm_dp_panel_read_sink_caps(struct msm_dp_panel *msm_dp_panel,
60 struct drm_connector *connector);
61 u32 msm_dp_panel_get_mode_bpp(struct msm_dp_panel *msm_dp_panel, u32 mode_max_bpp,
63 int msm_dp_panel_get_modes(struct msm_dp_panel *msm_dp_panel,
64 struct drm_connector *connector);
65 void msm_dp_panel_handle_sink_request(struct msm_dp_panel *msm_dp_panel);
66 void msm_dp_panel_tpg_config(struct msm_dp_panel *msm_dp_panel, bool enable);
69 * is_link_rate_valid() - validates the link rate
70 * @lane_rate: link rate requested by the sink
72 * Returns true if the requested link rate is supported.
74 static inline bool is_link_rate_valid(u32 bw_code)
76 return (bw_code == DP_LINK_BW_1_62 ||
77 bw_code == DP_LINK_BW_2_7 ||
78 bw_code == DP_LINK_BW_5_4 ||
79 bw_code == DP_LINK_BW_8_1);
83 * msm_dp_link_is_lane_count_valid() - validates the lane count
84 * @lane_count: lane count requested by the sink
86 * Returns true if the requested lane count is supported.
88 static inline bool is_lane_count_valid(u32 lane_count)
90 return (lane_count == 1 ||
95 struct msm_dp_panel *msm_dp_panel_get(struct msm_dp_panel_in *in);
96 void msm_dp_panel_put(struct msm_dp_panel *msm_dp_panel);
97 #endif /* _DP_PANEL_H_ */