270 lines
7.7 KiB
C
270 lines
7.7 KiB
C
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/*
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* Copyright © 2016-2019 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* Please use intel_vbt_defs.h for VBT private data, to hide and abstract away
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* the VBT from the rest of the driver. Add the parsed, clean data to struct
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* intel_vbt_data within struct drm_i915_private.
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*/
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#ifndef _INTEL_BIOS_H_
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#define _INTEL_BIOS_H_
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#include <linux/types.h>
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struct drm_i915_private;
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struct intel_bios_encoder_data;
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struct intel_crtc_state;
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struct intel_encoder;
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enum port;
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enum intel_backlight_type {
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INTEL_BACKLIGHT_PMIC,
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INTEL_BACKLIGHT_LPSS,
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INTEL_BACKLIGHT_DISPLAY_DDI,
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INTEL_BACKLIGHT_DSI_DCS,
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INTEL_BACKLIGHT_PANEL_DRIVER_INTERFACE,
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INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE,
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};
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struct edp_power_seq {
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u16 t1_t3;
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u16 t8;
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u16 t9;
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u16 t10;
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u16 t11_t12;
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} __packed;
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/*
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* MIPI Sequence Block definitions
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*
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* Note the VBT spec has AssertReset / DeassertReset swapped from their
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* usual naming, we use the proper names here to avoid confusion when
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* reading the code.
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*/
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enum mipi_seq {
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MIPI_SEQ_END = 0,
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MIPI_SEQ_DEASSERT_RESET, /* Spec says MipiAssertResetPin */
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MIPI_SEQ_INIT_OTP,
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MIPI_SEQ_DISPLAY_ON,
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MIPI_SEQ_DISPLAY_OFF,
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MIPI_SEQ_ASSERT_RESET, /* Spec says MipiDeassertResetPin */
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MIPI_SEQ_BACKLIGHT_ON, /* sequence block v2+ */
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MIPI_SEQ_BACKLIGHT_OFF, /* sequence block v2+ */
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MIPI_SEQ_TEAR_ON, /* sequence block v2+ */
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MIPI_SEQ_TEAR_OFF, /* sequence block v3+ */
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MIPI_SEQ_POWER_ON, /* sequence block v3+ */
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MIPI_SEQ_POWER_OFF, /* sequence block v3+ */
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MIPI_SEQ_MAX
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};
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enum mipi_seq_element {
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MIPI_SEQ_ELEM_END = 0,
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MIPI_SEQ_ELEM_SEND_PKT,
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MIPI_SEQ_ELEM_DELAY,
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MIPI_SEQ_ELEM_GPIO,
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MIPI_SEQ_ELEM_I2C, /* sequence block v2+ */
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MIPI_SEQ_ELEM_SPI, /* sequence block v3+ */
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MIPI_SEQ_ELEM_PMIC, /* sequence block v3+ */
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MIPI_SEQ_ELEM_MAX
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};
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#define MIPI_DSI_UNDEFINED_PANEL_ID 0
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#define MIPI_DSI_GENERIC_PANEL_ID 1
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struct mipi_config {
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u16 panel_id;
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/* General Params */
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u32 enable_dithering:1;
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u32 rsvd1:1;
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u32 is_bridge:1;
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u32 panel_arch_type:2;
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u32 is_cmd_mode:1;
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#define NON_BURST_SYNC_PULSE 0x1
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#define NON_BURST_SYNC_EVENTS 0x2
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#define BURST_MODE 0x3
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u32 video_transfer_mode:2;
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u32 cabc_supported:1;
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#define PPS_BLC_PMIC 0
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#define PPS_BLC_SOC 1
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u32 pwm_blc:1;
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/* Bit 13:10 */
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#define PIXEL_FORMAT_RGB565 0x1
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#define PIXEL_FORMAT_RGB666 0x2
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#define PIXEL_FORMAT_RGB666_LOOSELY_PACKED 0x3
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#define PIXEL_FORMAT_RGB888 0x4
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u32 videomode_color_format:4;
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/* Bit 15:14 */
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#define ENABLE_ROTATION_0 0x0
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#define ENABLE_ROTATION_90 0x1
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#define ENABLE_ROTATION_180 0x2
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#define ENABLE_ROTATION_270 0x3
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u32 rotation:2;
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u32 bta_enabled:1;
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u32 rsvd2:15;
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/* 2 byte Port Description */
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#define DUAL_LINK_NOT_SUPPORTED 0
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#define DUAL_LINK_FRONT_BACK 1
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#define DUAL_LINK_PIXEL_ALT 2
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u16 dual_link:2;
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u16 lane_cnt:2;
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u16 pixel_overlap:3;
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u16 rgb_flip:1;
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#define DL_DCS_PORT_A 0x00
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#define DL_DCS_PORT_C 0x01
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#define DL_DCS_PORT_A_AND_C 0x02
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u16 dl_dcs_cabc_ports:2;
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u16 dl_dcs_backlight_ports:2;
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u16 rsvd3:4;
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u16 rsvd4;
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u8 rsvd5;
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u32 target_burst_mode_freq;
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u32 dsi_ddr_clk;
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u32 bridge_ref_clk;
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#define BYTE_CLK_SEL_20MHZ 0
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#define BYTE_CLK_SEL_10MHZ 1
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#define BYTE_CLK_SEL_5MHZ 2
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u8 byte_clk_sel:2;
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u8 rsvd6:6;
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/* DPHY Flags */
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u16 dphy_param_valid:1;
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u16 eot_pkt_disabled:1;
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u16 enable_clk_stop:1;
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u16 rsvd7:13;
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u32 hs_tx_timeout;
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u32 lp_rx_timeout;
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u32 turn_around_timeout;
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u32 device_reset_timer;
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u32 master_init_timer;
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u32 dbi_bw_timer;
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u32 lp_byte_clk_val;
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/* 4 byte Dphy Params */
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u32 prepare_cnt:6;
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u32 rsvd8:2;
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u32 clk_zero_cnt:8;
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u32 trail_cnt:5;
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u32 rsvd9:3;
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u32 exit_zero_cnt:6;
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u32 rsvd10:2;
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u32 clk_lane_switch_cnt;
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u32 hl_switch_cnt;
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u32 rsvd11[6];
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/* timings based on dphy spec */
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u8 tclk_miss;
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u8 tclk_post;
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u8 rsvd12;
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u8 tclk_pre;
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u8 tclk_prepare;
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u8 tclk_settle;
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u8 tclk_term_enable;
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u8 tclk_trail;
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u16 tclk_prepare_clkzero;
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u8 rsvd13;
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u8 td_term_enable;
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u8 teot;
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u8 ths_exit;
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u8 ths_prepare;
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u16 ths_prepare_hszero;
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u8 rsvd14;
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u8 ths_settle;
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u8 ths_skip;
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u8 ths_trail;
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u8 tinit;
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u8 tlpx;
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u8 rsvd15[3];
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/* GPIOs */
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u8 panel_enable;
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u8 bl_enable;
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u8 pwm_enable;
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u8 reset_r_n;
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u8 pwr_down_r;
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u8 stdby_r_n;
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} __packed;
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/* all delays have a unit of 100us */
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struct mipi_pps_data {
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u16 panel_on_delay;
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u16 bl_enable_delay;
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u16 bl_disable_delay;
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u16 panel_off_delay;
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u16 panel_power_cycle_delay;
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} __packed;
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void intel_bios_init(struct drm_i915_private *dev_priv);
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void intel_bios_driver_remove(struct drm_i915_private *dev_priv);
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bool intel_bios_is_valid_vbt(const void *buf, size_t size);
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bool intel_bios_is_tv_present(struct drm_i915_private *dev_priv);
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bool intel_bios_is_lvds_present(struct drm_i915_private *dev_priv, u8 *i2c_pin);
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bool intel_bios_is_port_present(struct drm_i915_private *dev_priv, enum port port);
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bool intel_bios_is_port_edp(struct drm_i915_private *dev_priv, enum port port);
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bool intel_bios_is_port_dp_dual_mode(struct drm_i915_private *dev_priv, enum port port);
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bool intel_bios_is_dsi_present(struct drm_i915_private *dev_priv, enum port *port);
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bool intel_bios_is_port_hpd_inverted(const struct drm_i915_private *i915,
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enum port port);
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bool intel_bios_is_lspcon_present(const struct drm_i915_private *i915,
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enum port port);
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bool intel_bios_is_lane_reversal_needed(const struct drm_i915_private *i915,
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enum port port);
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enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *dev_priv, enum port port);
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bool intel_bios_get_dsc_params(struct intel_encoder *encoder,
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struct intel_crtc_state *crtc_state,
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int dsc_max_bpc);
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int intel_bios_max_tmds_clock(struct intel_encoder *encoder);
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int intel_bios_hdmi_level_shift(struct intel_encoder *encoder);
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int intel_bios_dp_max_link_rate(struct intel_encoder *encoder);
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int intel_bios_alternate_ddc_pin(struct intel_encoder *encoder);
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bool intel_bios_port_supports_typec_usb(struct drm_i915_private *i915, enum port port);
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bool intel_bios_port_supports_tbt(struct drm_i915_private *i915, enum port port);
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const struct intel_bios_encoder_data *
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intel_bios_encoder_data_lookup(struct drm_i915_private *i915, enum port port);
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bool intel_bios_encoder_supports_dvi(const struct intel_bios_encoder_data *devdata);
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bool intel_bios_encoder_supports_hdmi(const struct intel_bios_encoder_data *devdata);
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bool intel_bios_encoder_supports_dp(const struct intel_bios_encoder_data *devdata);
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bool intel_bios_encoder_supports_typec_usb(const struct intel_bios_encoder_data *devdata);
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bool intel_bios_encoder_supports_tbt(const struct intel_bios_encoder_data *devdata);
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int intel_bios_encoder_dp_boost_level(const struct intel_bios_encoder_data *devdata);
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int intel_bios_encoder_hdmi_boost_level(const struct intel_bios_encoder_data *devdata);
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#endif /* _INTEL_BIOS_H_ */
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