| /* |
| * Copyright © 2016 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. |
| */ |
| |
| /* |
| * Please use intel_vbt_defs.h for VBT private data, to hide and abstract away |
| * the VBT from the rest of the driver. Add the parsed, clean data to struct |
| * intel_vbt_data within struct drm_i915_private. |
| */ |
| |
| #ifndef _INTEL_BIOS_H_ |
| #define _INTEL_BIOS_H_ |
| |
| #include <linux/types.h> |
| |
| #include <drm/i915_drm.h> |
| |
| struct drm_i915_private; |
| |
| enum intel_backlight_type { |
| INTEL_BACKLIGHT_PMIC, |
| INTEL_BACKLIGHT_LPSS, |
| INTEL_BACKLIGHT_DISPLAY_DDI, |
| INTEL_BACKLIGHT_DSI_DCS, |
| INTEL_BACKLIGHT_PANEL_DRIVER_INTERFACE, |
| }; |
| |
| struct edp_power_seq { |
| u16 t1_t3; |
| u16 t8; |
| u16 t9; |
| u16 t10; |
| u16 t11_t12; |
| } __packed; |
| |
| /* |
| * MIPI Sequence Block definitions |
| * |
| * Note the VBT spec has AssertReset / DeassertReset swapped from their |
| * usual naming, we use the proper names here to avoid confusion when |
| * reading the code. |
| */ |
| enum mipi_seq { |
| MIPI_SEQ_END = 0, |
| MIPI_SEQ_DEASSERT_RESET, /* Spec says MipiAssertResetPin */ |
| MIPI_SEQ_INIT_OTP, |
| MIPI_SEQ_DISPLAY_ON, |
| MIPI_SEQ_DISPLAY_OFF, |
| MIPI_SEQ_ASSERT_RESET, /* Spec says MipiDeassertResetPin */ |
| MIPI_SEQ_BACKLIGHT_ON, /* sequence block v2+ */ |
| MIPI_SEQ_BACKLIGHT_OFF, /* sequence block v2+ */ |
| MIPI_SEQ_TEAR_ON, /* sequence block v2+ */ |
| MIPI_SEQ_TEAR_OFF, /* sequence block v3+ */ |
| MIPI_SEQ_POWER_ON, /* sequence block v3+ */ |
| MIPI_SEQ_POWER_OFF, /* sequence block v3+ */ |
| MIPI_SEQ_MAX |
| }; |
| |
| enum mipi_seq_element { |
| MIPI_SEQ_ELEM_END = 0, |
| MIPI_SEQ_ELEM_SEND_PKT, |
| MIPI_SEQ_ELEM_DELAY, |
| MIPI_SEQ_ELEM_GPIO, |
| MIPI_SEQ_ELEM_I2C, /* sequence block v2+ */ |
| MIPI_SEQ_ELEM_SPI, /* sequence block v3+ */ |
| MIPI_SEQ_ELEM_PMIC, /* sequence block v3+ */ |
| MIPI_SEQ_ELEM_MAX |
| }; |
| |
| #define MIPI_DSI_UNDEFINED_PANEL_ID 0 |
| #define MIPI_DSI_GENERIC_PANEL_ID 1 |
| |
| struct mipi_config { |
| u16 panel_id; |
| |
| /* General Params */ |
| u32 enable_dithering:1; |
| u32 rsvd1:1; |
| u32 is_bridge:1; |
| |
| u32 panel_arch_type:2; |
| u32 is_cmd_mode:1; |
| |
| #define NON_BURST_SYNC_PULSE 0x1 |
| #define NON_BURST_SYNC_EVENTS 0x2 |
| #define BURST_MODE 0x3 |
| u32 video_transfer_mode:2; |
| |
| u32 cabc_supported:1; |
| #define PPS_BLC_PMIC 0 |
| #define PPS_BLC_SOC 1 |
| u32 pwm_blc:1; |
| |
| /* Bit 13:10 */ |
| #define PIXEL_FORMAT_RGB565 0x1 |
| #define PIXEL_FORMAT_RGB666 0x2 |
| #define PIXEL_FORMAT_RGB666_LOOSELY_PACKED 0x3 |
| #define PIXEL_FORMAT_RGB888 0x4 |
| u32 videomode_color_format:4; |
| |
| /* Bit 15:14 */ |
| #define ENABLE_ROTATION_0 0x0 |
| #define ENABLE_ROTATION_90 0x1 |
| #define ENABLE_ROTATION_180 0x2 |
| #define ENABLE_ROTATION_270 0x3 |
| u32 rotation:2; |
| u32 bta_enabled:1; |
| u32 rsvd2:15; |
| |
| /* 2 byte Port Description */ |
| #define DUAL_LINK_NOT_SUPPORTED 0 |
| #define DUAL_LINK_FRONT_BACK 1 |
| #define DUAL_LINK_PIXEL_ALT 2 |
| u16 dual_link:2; |
| u16 lane_cnt:2; |
| u16 pixel_overlap:3; |
| u16 rgb_flip:1; |
| #define DL_DCS_PORT_A 0x00 |
| #define DL_DCS_PORT_C 0x01 |
| #define DL_DCS_PORT_A_AND_C 0x02 |
| u16 dl_dcs_cabc_ports:2; |
| u16 dl_dcs_backlight_ports:2; |
| u16 rsvd3:4; |
| |
| u16 rsvd4; |
| |
| u8 rsvd5; |
| u32 target_burst_mode_freq; |
| u32 dsi_ddr_clk; |
| u32 bridge_ref_clk; |
| |
| #define BYTE_CLK_SEL_20MHZ 0 |
| #define BYTE_CLK_SEL_10MHZ 1 |
| #define BYTE_CLK_SEL_5MHZ 2 |
| u8 byte_clk_sel:2; |
| |
| u8 rsvd6:6; |
| |
| /* DPHY Flags */ |
| u16 dphy_param_valid:1; |
| u16 eot_pkt_disabled:1; |
| u16 enable_clk_stop:1; |
| u16 rsvd7:13; |
| |
| u32 hs_tx_timeout; |
| u32 lp_rx_timeout; |
| u32 turn_around_timeout; |
| u32 device_reset_timer; |
| u32 master_init_timer; |
| u32 dbi_bw_timer; |
| u32 lp_byte_clk_val; |
| |
| /* 4 byte Dphy Params */ |
| u32 prepare_cnt:6; |
| u32 rsvd8:2; |
| u32 clk_zero_cnt:8; |
| u32 trail_cnt:5; |
| u32 rsvd9:3; |
| u32 exit_zero_cnt:6; |
| u32 rsvd10:2; |
| |
| u32 clk_lane_switch_cnt; |
| u32 hl_switch_cnt; |
| |
| u32 rsvd11[6]; |
| |
| /* timings based on dphy spec */ |
| u8 tclk_miss; |
| u8 tclk_post; |
| u8 rsvd12; |
| u8 tclk_pre; |
| u8 tclk_prepare; |
| u8 tclk_settle; |
| u8 tclk_term_enable; |
| u8 tclk_trail; |
| u16 tclk_prepare_clkzero; |
| u8 rsvd13; |
| u8 td_term_enable; |
| u8 teot; |
| u8 ths_exit; |
| u8 ths_prepare; |
| u16 ths_prepare_hszero; |
| u8 rsvd14; |
| u8 ths_settle; |
| u8 ths_skip; |
| u8 ths_trail; |
| u8 tinit; |
| u8 tlpx; |
| u8 rsvd15[3]; |
| |
| /* GPIOs */ |
| u8 panel_enable; |
| u8 bl_enable; |
| u8 pwm_enable; |
| u8 reset_r_n; |
| u8 pwr_down_r; |
| u8 stdby_r_n; |
| |
| } __packed; |
| |
| /* all delays have a unit of 100us */ |
| struct mipi_pps_data { |
| u16 panel_on_delay; |
| u16 bl_enable_delay; |
| u16 bl_disable_delay; |
| u16 panel_off_delay; |
| u16 panel_power_cycle_delay; |
| } __packed; |
| |
| void intel_bios_init(struct drm_i915_private *dev_priv); |
| void intel_bios_cleanup(struct drm_i915_private *dev_priv); |
| bool intel_bios_is_valid_vbt(const void *buf, size_t size); |
| bool intel_bios_is_tv_present(struct drm_i915_private *dev_priv); |
| bool intel_bios_is_lvds_present(struct drm_i915_private *dev_priv, u8 *i2c_pin); |
| bool intel_bios_is_port_present(struct drm_i915_private *dev_priv, enum port port); |
| bool intel_bios_is_port_edp(struct drm_i915_private *dev_priv, enum port port); |
| bool intel_bios_is_port_dp_dual_mode(struct drm_i915_private *dev_priv, enum port port); |
| bool intel_bios_is_dsi_present(struct drm_i915_private *dev_priv, enum port *port); |
| bool intel_bios_is_port_hpd_inverted(const struct drm_i915_private *i915, |
| enum port port); |
| bool intel_bios_is_lspcon_present(const struct drm_i915_private *i915, |
| enum port port); |
| enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *dev_priv, enum port port); |
| |
| #endif /* _INTEL_BIOS_H_ */ |
