2 * Copyright © 2013 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
27 #include <drm/drm_crtc.h>
28 #include <drm/drm_mipi_dsi.h>
30 #include "intel_display_types.h"
32 #define INTEL_DSI_VIDEO_MODE 0
33 #define INTEL_DSI_COMMAND_MODE 1
35 /* Dual Link support */
36 #define DSI_DUAL_LINK_NONE 0
37 #define DSI_DUAL_LINK_FRONT_BACK 1
38 #define DSI_DUAL_LINK_PIXEL_ALT 2
40 struct intel_dsi_host;
43 struct intel_encoder base;
45 struct intel_dsi_host *dsi_hosts[I915_MAX_PORTS];
46 intel_wakeref_t io_wakeref[I915_MAX_PORTS];
48 /* GPIO Desc for CRC based Panel control */
49 struct gpio_desc *gpio_panel;
51 struct intel_connector *attached_connector;
53 /* bit mask of ports (vlv dsi) or phys (icl dsi) being driven */
55 u16 ports; /* VLV DSI */
56 u16 phys; /* ICL DSI */
59 /* if true, use HS mode, otherwise LP */
65 /* Video mode or command mode */
68 /* number of DSI lanes */
69 unsigned int lane_count;
72 * video mode pixel format
74 * XXX: consolidate on .format in struct mipi_dsi_device.
76 enum mipi_dsi_pixel_format pixel_format;
78 /* video mode format for MIPI_VIDEO_MODE_FORMAT register */
79 u32 video_mode_format;
81 /* eot for MIPI_EOT_DISABLE register */
88 u16 dcs_backlight_ports;
99 /* data lanes dphy timing */
100 u32 dphy_data_lane_reg;
101 u32 video_frmt_cfg_bits;
104 /* timeouts in byte clocks */
110 u16 clk_lp_to_hs_count;
111 u16 clk_hs_to_lp_count;
115 u16 burst_mode_ratio;
117 /* all delays in ms */
118 u16 backlight_off_delay;
119 u16 backlight_on_delay;
122 u16 panel_pwr_cycle_delay;
125 struct intel_dsi_host {
126 struct mipi_dsi_host base;
127 struct intel_dsi *intel_dsi;
130 /* our little hack */
131 struct mipi_dsi_device *device;
134 static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h)
136 return container_of(h, struct intel_dsi_host, base);
139 #define for_each_dsi_port(__port, __ports_mask) \
140 for_each_port_masked(__port, __ports_mask)
141 #define for_each_dsi_phy(__phy, __phys_mask) \
142 for_each_phy_masked(__phy, __phys_mask)
144 static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)
146 return container_of(encoder, struct intel_dsi, base.base);
149 static inline bool is_vid_mode(struct intel_dsi *intel_dsi)
151 return intel_dsi->operation_mode == INTEL_DSI_VIDEO_MODE;
154 static inline bool is_cmd_mode(struct intel_dsi *intel_dsi)
156 return intel_dsi->operation_mode == INTEL_DSI_COMMAND_MODE;
159 static inline u16 intel_dsi_encoder_ports(struct intel_encoder *encoder)
161 return enc_to_intel_dsi(&encoder->base)->ports;
165 void icl_dsi_init(struct drm_i915_private *dev_priv);
168 int intel_dsi_bitrate(const struct intel_dsi *intel_dsi);
169 int intel_dsi_tlpx_ns(const struct intel_dsi *intel_dsi);
170 enum drm_panel_orientation
171 intel_dsi_get_panel_orientation(struct intel_connector *connector);
174 void vlv_dsi_wait_for_fifo_empty(struct intel_dsi *intel_dsi, enum port port);
175 enum mipi_dsi_pixel_format pixel_format_from_register_bits(u32 fmt);
176 int intel_dsi_get_modes(struct drm_connector *connector);
177 enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector,
178 struct drm_display_mode *mode);
179 struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi,
180 const struct mipi_dsi_host_ops *funcs,
182 void vlv_dsi_init(struct drm_i915_private *dev_priv);
185 int vlv_dsi_pll_compute(struct intel_encoder *encoder,
186 struct intel_crtc_state *config);
187 void vlv_dsi_pll_enable(struct intel_encoder *encoder,
188 const struct intel_crtc_state *config);
189 void vlv_dsi_pll_disable(struct intel_encoder *encoder);
190 u32 vlv_dsi_get_pclk(struct intel_encoder *encoder,
191 struct intel_crtc_state *config);
192 void vlv_dsi_reset_clocks(struct intel_encoder *encoder, enum port port);
194 bool bxt_dsi_pll_is_enabled(struct drm_i915_private *dev_priv);
195 int bxt_dsi_pll_compute(struct intel_encoder *encoder,
196 struct intel_crtc_state *config);
197 void bxt_dsi_pll_enable(struct intel_encoder *encoder,
198 const struct intel_crtc_state *config);
199 void bxt_dsi_pll_disable(struct intel_encoder *encoder);
200 u32 bxt_dsi_get_pclk(struct intel_encoder *encoder,
201 struct intel_crtc_state *config);
202 void bxt_dsi_reset_clocks(struct intel_encoder *encoder, enum port port);
204 /* intel_dsi_vbt.c */
205 bool intel_dsi_vbt_init(struct intel_dsi *intel_dsi, u16 panel_id);
206 void intel_dsi_vbt_exec_sequence(struct intel_dsi *intel_dsi,
207 enum mipi_seq seq_id);
208 void intel_dsi_msleep(struct intel_dsi *intel_dsi, int msec);
209 void intel_dsi_log_params(struct intel_dsi *intel_dsi);
211 #endif /* _INTEL_DSI_H */