/*
* 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 <linux/types.h>
struct drm_edid;
struct intel_bios_encoder_data;
struct intel_crtc_state;
struct intel_display;
struct intel_encoder;
struct intel_panel;
enum aux_ch;
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 intel_display *display);
void intel_bios_init_panel_early(struct intel_display *display,
struct intel_panel *panel,
const struct intel_bios_encoder_data *devdata);
void intel_bios_init_panel_late(struct intel_display *display,
struct intel_panel *panel,
const struct intel_bios_encoder_data *devdata,
const struct drm_edid *drm_edid);
void intel_bios_fini_panel(struct intel_panel *panel);
void intel_bios_driver_remove(struct intel_display *display);
bool intel_bios_is_valid_vbt(struct intel_display *display,
const void *buf, size_t size);
bool intel_bios_is_tv_present(struct intel_display *display);
bool intel_bios_is_lvds_present(struct intel_display *display, u8 *i2c_pin);
bool intel_bios_is_port_present(struct intel_display *display, enum port port);
bool intel_bios_is_dsi_present(struct intel_display *display, enum port *port);
bool intel_bios_get_dsc_params(struct intel_encoder *encoder,
struct intel_crtc_state *crtc_state,
int dsc_max_bpc);
const struct intel_bios_encoder_data *
intel_bios_encoder_data_lookup(struct intel_display *display, 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_edp(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);
bool intel_bios_encoder_supports_dsi(const struct intel_bios_encoder_data *devdata);
bool intel_bios_encoder_supports_dp_dual_mode(const struct intel_bios_encoder_data *devdata);
bool intel_bios_encoder_is_lspcon(const struct intel_bios_encoder_data *devdata);
bool intel_bios_encoder_lane_reversal(const struct intel_bios_encoder_data *devdata);
bool intel_bios_encoder_hpd_invert(const struct intel_bios_encoder_data *devdata);
enum port intel_bios_encoder_port(const struct intel_bios_encoder_data *devdata);
enum aux_ch intel_bios_dp_aux_ch(const struct intel_bios_encoder_data *devdata);
int intel_bios_dp_boost_level(const struct intel_bios_encoder_data *devdata);
int intel_bios_dp_max_lane_count(const struct intel_bios_encoder_data *devdata);
int intel_bios_dp_max_link_rate(const struct intel_bios_encoder_data *devdata);
bool intel_bios_dp_has_shared_aux_ch(const struct intel_bios_encoder_data *devdata);
int intel_bios_hdmi_boost_level(const struct intel_bios_encoder_data *devdata);
int intel_bios_hdmi_ddc_pin(const struct intel_bios_encoder_data *devdata);
int intel_bios_hdmi_level_shift(const struct intel_bios_encoder_data *devdata);
int intel_bios_hdmi_max_tmds_clock(const struct intel_bios_encoder_data *devdata);
void intel_bios_for_each_encoder(struct intel_display *display,
void (*func)(struct intel_display *display,
const struct intel_bios_encoder_data *devdata));
void intel_bios_debugfs_register(struct intel_display *display);
#endif /* _INTEL_BIOS_H_ */
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