/* * Copyright © 2016-2019 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 struct drm_i915_private; struct edid; struct intel_bios_encoder_data; struct intel_crtc_state; struct intel_encoder; struct intel_panel; enum port; enum intel_backlight_type { INTEL_BACKLIGHT_PMIC, INTEL_BACKLIGHT_LPSS, INTEL_BACKLIGHT_DISPLAY_DDI, INTEL_BACKLIGHT_DSI_DCS, INTEL_BACKLIGHT_PANEL_DRIVER_INTERFACE, INTEL_BACKLIGHT_VESA_EDP_AUX_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_init_panel(struct drm_i915_private *dev_priv, struct intel_panel *panel, const struct edid *edid); void intel_bios_fini_panel(struct intel_panel *panel); void intel_bios_driver_remove(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); bool intel_bios_is_lane_reversal_needed(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); bool intel_bios_get_dsc_params(struct intel_encoder *encoder, struct intel_crtc_state *crtc_state, int dsc_max_bpc); int intel_bios_max_tmds_clock(struct intel_encoder *encoder); int intel_bios_hdmi_level_shift(struct intel_encoder *encoder); int intel_bios_dp_max_link_rate(struct intel_encoder *encoder); int intel_bios_alternate_ddc_pin(struct intel_encoder *encoder); bool intel_bios_port_supports_typec_usb(struct drm_i915_private *i915, enum port port); bool intel_bios_port_supports_tbt(struct drm_i915_private *i915, enum port port); const struct intel_bios_encoder_data * intel_bios_encoder_data_lookup(struct drm_i915_private *i915, enum port port); bool intel_bios_encoder_supports_dvi(const struct intel_bios_encoder_data *devdata); bool intel_bios_encoder_supports_hdmi(const struct intel_bios_encoder_data *devdata); bool intel_bios_encoder_supports_dp(const struct intel_bios_encoder_data *devdata); bool intel_bios_encoder_supports_typec_usb(const struct intel_bios_encoder_data *devdata); bool intel_bios_encoder_supports_tbt(const struct intel_bios_encoder_data *devdata); int intel_bios_encoder_dp_boost_level(const struct intel_bios_encoder_data *devdata); int intel_bios_encoder_hdmi_boost_level(const struct intel_bios_encoder_data *devdata); #endif /* _INTEL_BIOS_H_ */