drivers/gpu/drm/i915/intel_bios.h

   1 /*
   2  * Copyright © 2016 Intel Corporation
   3  *
   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:
  10  *
  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
  13  * Software.
  14  *
  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 FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  */
  23
  24 /*
  25  * Please use intel_vbt_defs.h for VBT private data, to hide and abstract away
  26  * the VBT from the rest of the driver. Add the parsed, clean data to struct
  27  * intel_vbt_data within struct drm_i915_private.
  28  */
  29
  30 #ifndef _INTEL_BIOS_H_
  31 #define _INTEL_BIOS_H_
  32
  33 enum intel_backlight_type {
  34         INTEL_BACKLIGHT_PMIC,
  35         INTEL_BACKLIGHT_LPSS,
  36         INTEL_BACKLIGHT_DISPLAY_DDI,
  37         INTEL_BACKLIGHT_DSI_DCS,
  38         INTEL_BACKLIGHT_PANEL_DRIVER_INTERFACE,
  39 };
  40
  41 struct edp_power_seq {
  42         u16 t1_t3;
  43         u16 t8;
  44         u16 t9;
  45         u16 t10;
  46         u16 t11_t12;
  47 } __packed;
  48
  49 /*
  50  * MIPI Sequence Block definitions
  51  *
  52  * Note the VBT spec has AssertReset / DeassertReset swapped from their
  53  * usual naming, we use the proper names here to avoid confusion when
  54  * reading the code.
  55  */
  56 enum mipi_seq {
  57         MIPI_SEQ_END = 0,
  58         MIPI_SEQ_DEASSERT_RESET,        /* Spec says MipiAssertResetPin */
  59         MIPI_SEQ_INIT_OTP,
  60         MIPI_SEQ_DISPLAY_ON,
  61         MIPI_SEQ_DISPLAY_OFF,
  62         MIPI_SEQ_ASSERT_RESET,          /* Spec says MipiDeassertResetPin */
  63         MIPI_SEQ_BACKLIGHT_ON,          /* sequence block v2+ */
  64         MIPI_SEQ_BACKLIGHT_OFF,         /* sequence block v2+ */
  65         MIPI_SEQ_TEAR_ON,               /* sequence block v2+ */
  66         MIPI_SEQ_TEAR_OFF,              /* sequence block v3+ */
  67         MIPI_SEQ_POWER_ON,              /* sequence block v3+ */
  68         MIPI_SEQ_POWER_OFF,             /* sequence block v3+ */
  69         MIPI_SEQ_MAX
  70 };
  71
  72 enum mipi_seq_element {
  73         MIPI_SEQ_ELEM_END = 0,
  74         MIPI_SEQ_ELEM_SEND_PKT,
  75         MIPI_SEQ_ELEM_DELAY,
  76         MIPI_SEQ_ELEM_GPIO,
  77         MIPI_SEQ_ELEM_I2C,              /* sequence block v2+ */
  78         MIPI_SEQ_ELEM_SPI,              /* sequence block v3+ */
  79         MIPI_SEQ_ELEM_PMIC,             /* sequence block v3+ */
  80         MIPI_SEQ_ELEM_MAX
  81 };
  82
  83 #define MIPI_DSI_UNDEFINED_PANEL_ID     0
  84 #define MIPI_DSI_GENERIC_PANEL_ID       1
  85
  86 struct mipi_config {
  87         u16 panel_id;
  88
  89         /* General Params */
  90         u32 enable_dithering:1;
  91         u32 rsvd1:1;
  92         u32 is_bridge:1;
  93
  94         u32 panel_arch_type:2;
  95         u32 is_cmd_mode:1;
  96
  97 #define NON_BURST_SYNC_PULSE    0x1
  98 #define NON_BURST_SYNC_EVENTS   0x2
  99 #define BURST_MODE              0x3
 100         u32 video_transfer_mode:2;
 101
 102         u32 cabc_supported:1;
 103 #define PPS_BLC_PMIC   0
 104 #define PPS_BLC_SOC    1
 105         u32 pwm_blc:1;
 106
 107         /* Bit 13:10 */
 108 #define PIXEL_FORMAT_RGB565                     0x1
 109 #define PIXEL_FORMAT_RGB666                     0x2
 110 #define PIXEL_FORMAT_RGB666_LOOSELY_PACKED      0x3
 111 #define PIXEL_FORMAT_RGB888                     0x4
 112         u32 videomode_color_format:4;
 113
 114         /* Bit 15:14 */
 115 #define ENABLE_ROTATION_0       0x0
 116 #define ENABLE_ROTATION_90      0x1
 117 #define ENABLE_ROTATION_180     0x2
 118 #define ENABLE_ROTATION_270     0x3
 119         u32 rotation:2;
 120         u32 bta_enabled:1;
 121         u32 rsvd2:15;
 122
 123         /* 2 byte Port Description */
 124 #define DUAL_LINK_NOT_SUPPORTED 0
 125 #define DUAL_LINK_FRONT_BACK    1
 126 #define DUAL_LINK_PIXEL_ALT     2
 127         u16 dual_link:2;
 128         u16 lane_cnt:2;
 129         u16 pixel_overlap:3;
 130         u16 rgb_flip:1;
 131 #define DL_DCS_PORT_A                   0x00
 132 #define DL_DCS_PORT_C                   0x01
 133 #define DL_DCS_PORT_A_AND_C             0x02
 134         u16 dl_dcs_cabc_ports:2;
 135         u16 dl_dcs_backlight_ports:2;
 136         u16 rsvd3:4;
 137
 138         u16 rsvd4;
 139
 140         u8 rsvd5;
 141         u32 target_burst_mode_freq;
 142         u32 dsi_ddr_clk;
 143         u32 bridge_ref_clk;
 144
 145 #define  BYTE_CLK_SEL_20MHZ             0
 146 #define  BYTE_CLK_SEL_10MHZ             1
 147 #define  BYTE_CLK_SEL_5MHZ              2
 148         u8 byte_clk_sel:2;
 149
 150         u8 rsvd6:6;
 151
 152         /* DPHY Flags */
 153         u16 dphy_param_valid:1;
 154         u16 eot_pkt_disabled:1;
 155         u16 enable_clk_stop:1;
 156         u16 rsvd7:13;
 157
 158         u32 hs_tx_timeout;
 159         u32 lp_rx_timeout;
 160         u32 turn_around_timeout;
 161         u32 device_reset_timer;
 162         u32 master_init_timer;
 163         u32 dbi_bw_timer;
 164         u32 lp_byte_clk_val;
 165
 166         /*  4 byte Dphy Params */
 167         u32 prepare_cnt:6;
 168         u32 rsvd8:2;
 169         u32 clk_zero_cnt:8;
 170         u32 trail_cnt:5;
 171         u32 rsvd9:3;
 172         u32 exit_zero_cnt:6;
 173         u32 rsvd10:2;
 174
 175         u32 clk_lane_switch_cnt;
 176         u32 hl_switch_cnt;
 177
 178         u32 rsvd11[6];
 179
 180         /* timings based on dphy spec */
 181         u8 tclk_miss;
 182         u8 tclk_post;
 183         u8 rsvd12;
 184         u8 tclk_pre;
 185         u8 tclk_prepare;
 186         u8 tclk_settle;
 187         u8 tclk_term_enable;
 188         u8 tclk_trail;
 189         u16 tclk_prepare_clkzero;
 190         u8 rsvd13;
 191         u8 td_term_enable;
 192         u8 teot;
 193         u8 ths_exit;
 194         u8 ths_prepare;
 195         u16 ths_prepare_hszero;
 196         u8 rsvd14;
 197         u8 ths_settle;
 198         u8 ths_skip;
 199         u8 ths_trail;
 200         u8 tinit;
 201         u8 tlpx;
 202         u8 rsvd15[3];
 203
 204         /* GPIOs */
 205         u8 panel_enable;
 206         u8 bl_enable;
 207         u8 pwm_enable;
 208         u8 reset_r_n;
 209         u8 pwr_down_r;
 210         u8 stdby_r_n;
 211
 212 } __packed;
 213
 214 /* all delays have a unit of 100us */
 215 struct mipi_pps_data {
 216         u16 panel_on_delay;
 217         u16 bl_enable_delay;
 218         u16 bl_disable_delay;
 219         u16 panel_off_delay;
 220         u16 panel_power_cycle_delay;
 221 } __packed;
 222
 223 #endif /* _INTEL_BIOS_H_ */