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 panel and backlight control */
49 struct gpio_desc *gpio_panel;
50 struct gpio_desc *gpio_backlight;
52 struct intel_connector *attached_connector;
54 /* bit mask of ports (vlv dsi) or phys (icl dsi) being driven */
56 u16 ports; /* VLV DSI */
57 u16 phys; /* ICL DSI */
60 /* if true, use HS mode, otherwise LP */
66 /* Video mode or command mode */
69 /* number of DSI lanes */
70 unsigned int lane_count;
72 /* i2c bus associated with the slave device */
76 * video mode pixel format
78 * XXX: consolidate on .format in struct mipi_dsi_device.
80 enum mipi_dsi_pixel_format pixel_format;
82 /* video mode format for MIPI_VIDEO_MODE_FORMAT register */
83 u32 video_mode_format;
85 /* eot for MIPI_EOT_DISABLE register */
92 u16 dcs_backlight_ports;
103 /* data lanes dphy timing */
104 u32 dphy_data_lane_reg;
105 u32 video_frmt_cfg_bits;
108 /* timeouts in byte clocks */
114 u16 clk_lp_to_hs_count;
115 u16 clk_hs_to_lp_count;
119 u16 burst_mode_ratio;
121 /* all delays in ms */
122 u16 backlight_off_delay;
123 u16 backlight_on_delay;
126 u16 panel_pwr_cycle_delay;
129 struct intel_dsi_host {
130 struct mipi_dsi_host base;
131 struct intel_dsi *intel_dsi;
134 /* our little hack */
135 struct mipi_dsi_device *device;
138 static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h)
140 return container_of(h, struct intel_dsi_host, base);
143 #define for_each_dsi_port(__port, __ports_mask) \
144 for_each_port_masked(__port, __ports_mask)
145 #define for_each_dsi_phy(__phy, __phys_mask) \
146 for_each_phy_masked(__phy, __phys_mask)
148 static inline struct intel_dsi *enc_to_intel_dsi(struct intel_encoder *encoder)
150 return container_of(&encoder->base, struct intel_dsi, base.base);
153 static inline bool is_vid_mode(struct intel_dsi *intel_dsi)
155 return intel_dsi->operation_mode == INTEL_DSI_VIDEO_MODE;
158 static inline bool is_cmd_mode(struct intel_dsi *intel_dsi)
160 return intel_dsi->operation_mode == INTEL_DSI_COMMAND_MODE;
163 static inline u16 intel_dsi_encoder_ports(struct intel_encoder *encoder)
165 return enc_to_intel_dsi(encoder)->ports;
169 void icl_dsi_init(struct drm_i915_private *dev_priv);
170 void icl_dsi_frame_update(struct intel_crtc_state *crtc_state);
173 int intel_dsi_bitrate(const struct intel_dsi *intel_dsi);
174 int intel_dsi_tlpx_ns(const struct intel_dsi *intel_dsi);
175 enum drm_panel_orientation
176 intel_dsi_get_panel_orientation(struct intel_connector *connector);
179 void vlv_dsi_wait_for_fifo_empty(struct intel_dsi *intel_dsi, enum port port);
180 enum mipi_dsi_pixel_format pixel_format_from_register_bits(u32 fmt);
181 int intel_dsi_get_modes(struct drm_connector *connector);
182 enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector,
183 struct drm_display_mode *mode);
184 struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi,
185 const struct mipi_dsi_host_ops *funcs,
187 void vlv_dsi_init(struct drm_i915_private *dev_priv);
190 int vlv_dsi_pll_compute(struct intel_encoder *encoder,
191 struct intel_crtc_state *config);
192 void vlv_dsi_pll_enable(struct intel_encoder *encoder,
193 const struct intel_crtc_state *config);
194 void vlv_dsi_pll_disable(struct intel_encoder *encoder);
195 u32 vlv_dsi_get_pclk(struct intel_encoder *encoder,
196 struct intel_crtc_state *config);
197 void vlv_dsi_reset_clocks(struct intel_encoder *encoder, enum port port);
199 bool bxt_dsi_pll_is_enabled(struct drm_i915_private *dev_priv);
200 int bxt_dsi_pll_compute(struct intel_encoder *encoder,
201 struct intel_crtc_state *config);
202 void bxt_dsi_pll_enable(struct intel_encoder *encoder,
203 const struct intel_crtc_state *config);
204 void bxt_dsi_pll_disable(struct intel_encoder *encoder);
205 u32 bxt_dsi_get_pclk(struct intel_encoder *encoder,
206 struct intel_crtc_state *config);
207 void bxt_dsi_reset_clocks(struct intel_encoder *encoder, enum port port);
209 /* intel_dsi_vbt.c */
210 bool intel_dsi_vbt_init(struct intel_dsi *intel_dsi, u16 panel_id);
211 void intel_dsi_vbt_gpio_init(struct intel_dsi *intel_dsi, bool panel_is_on);
212 void intel_dsi_vbt_gpio_cleanup(struct intel_dsi *intel_dsi);
213 void intel_dsi_vbt_exec_sequence(struct intel_dsi *intel_dsi,
214 enum mipi_seq seq_id);
215 void intel_dsi_msleep(struct intel_dsi *intel_dsi, int msec);
216 void intel_dsi_log_params(struct intel_dsi *intel_dsi);
218 #endif /* _INTEL_DSI_H */