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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | /* * Copyright © 2013 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #ifndef _INTEL_DSI_H #define _INTEL_DSI_H #include <drm/drm_crtc.h> #include <drm/drm_mipi_dsi.h> #include "intel_display_types.h" #define INTEL_DSI_VIDEO_MODE 0 #define INTEL_DSI_COMMAND_MODE 1 /* Dual Link support */ #define DSI_DUAL_LINK_NONE 0 #define DSI_DUAL_LINK_FRONT_BACK 1 #define DSI_DUAL_LINK_PIXEL_ALT 2 struct intel_dsi_host; struct intel_dsi { struct intel_encoder base; struct intel_dsi_host *dsi_hosts[I915_MAX_PORTS]; intel_wakeref_t io_wakeref[I915_MAX_PORTS]; /* GPIO Desc for panel and backlight control */ struct gpio_desc *gpio_panel; struct gpio_desc *gpio_backlight; struct intel_connector *attached_connector; /* bit mask of ports (vlv dsi) or phys (icl dsi) being driven */ union { u16 ports; /* VLV DSI */ u16 phys; /* ICL DSI */ }; /* if true, use HS mode, otherwise LP */ bool hs; /* virtual channel */ int channel; /* Video mode or command mode */ u16 operation_mode; /* number of DSI lanes */ unsigned int lane_count; /* i2c bus associated with the slave device */ int i2c_bus_num; /* * video mode pixel format * * XXX: consolidate on .format in struct mipi_dsi_device. */ enum mipi_dsi_pixel_format pixel_format; /* NON_BURST_SYNC_PULSE, NON_BURST_SYNC_EVENTS, or BURST_MODE */ int video_mode; /* eot for MIPI_EOT_DISABLE register */ u8 eotp_pkt; u8 clock_stop; u8 escape_clk_div; u8 dual_link; /* RGB or BGR */ bool bgr_enabled; u8 pixel_overlap; u32 port_bits; u32 bw_timer; u32 dphy_reg; /* data lanes dphy timing */ u32 dphy_data_lane_reg; u32 video_frmt_cfg_bits; u16 lp_byte_clk; /* timeouts in byte clocks */ u16 hs_tx_timeout; u16 lp_rx_timeout; u16 turn_arnd_val; u16 rst_timer_val; u16 hs_to_lp_count; u16 clk_lp_to_hs_count; u16 clk_hs_to_lp_count; u16 init_count; u32 pclk; u16 burst_mode_ratio; /* all delays in ms */ u16 backlight_off_delay; u16 backlight_on_delay; u16 panel_on_delay; u16 panel_off_delay; u16 panel_pwr_cycle_delay; ktime_t panel_power_off_time; }; struct intel_dsi_host { struct mipi_dsi_host base; struct intel_dsi *intel_dsi; enum port port; /* our little hack */ struct mipi_dsi_device *device; }; static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h) { return container_of(h, struct intel_dsi_host, base); } #define for_each_dsi_port(__port, __ports_mask) \ for_each_port_masked(__port, __ports_mask) #define for_each_dsi_phy(__phy, __phys_mask) \ for_each_phy_masked(__phy, __phys_mask) static inline struct intel_dsi *enc_to_intel_dsi(struct intel_encoder *encoder) { return container_of(&encoder->base, struct intel_dsi, base.base); } static inline bool is_vid_mode(struct intel_dsi *intel_dsi) { return intel_dsi->operation_mode == INTEL_DSI_VIDEO_MODE; } static inline bool is_cmd_mode(struct intel_dsi *intel_dsi) { return intel_dsi->operation_mode == INTEL_DSI_COMMAND_MODE; } static inline u16 intel_dsi_encoder_ports(struct intel_encoder *encoder) { return enc_to_intel_dsi(encoder)->ports; } int intel_dsi_bitrate(const struct intel_dsi *intel_dsi); int intel_dsi_tlpx_ns(const struct intel_dsi *intel_dsi); enum drm_panel_orientation intel_dsi_get_panel_orientation(struct intel_connector *connector); int intel_dsi_get_modes(struct drm_connector *connector); enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode); struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi, const struct mipi_dsi_host_ops *funcs, enum port port); void intel_dsi_wait_panel_power_cycle(struct intel_dsi *intel_dsi); void intel_dsi_shutdown(struct intel_encoder *encoder); #endif /* _INTEL_DSI_H */ |