3813ca521a
"extern" is automatically implied with function declaration. Change-Id: Ic40218acab5a009621b6882faacfcac800aaf0b9 Signed-off-by: Elyes Haouas <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/71890 Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
|
|
#ifndef _I2C_PTN3460_H_
|
|
#define _I2C_PTN3460_H_
|
|
|
|
#include <types.h>
|
|
|
|
#define PTN_EDID_OFF 0x00
|
|
#define PTN_EDID_LEN 0x80
|
|
#define PTN_CONFIG_OFF 0x80
|
|
#define PTN_CONFIG_LEN 0x19
|
|
#define PTN_FLASH_CFG_OFF 0xE8
|
|
#define PTN_FLASH_CFG_LEN 0x04
|
|
#define PTN_MAX_EDID_NUM 6
|
|
#define PTN_ENABLE_EMULATION (1 << 0)
|
|
|
|
/* Define some error codes that can be used */
|
|
#define PTN_SUCCESS 0x00000000
|
|
#define PTN_BUS_ERROR 0x10000000
|
|
#define PTN_INVALID_EDID 0x20000000
|
|
#define PTN_INVALID_EDID_BLOCK 0x30000000
|
|
#define PTN_ERROR 0x40000000
|
|
|
|
struct ptn_3460_config {
|
|
u8 dp_interface_ctrl; /* DisplayPort interface control */
|
|
u8 lvds_interface_ctrl1; /* LVDS interface control register 1 */
|
|
u8 lvds_interface_ctrl2; /* LVDS interface control register 2 */
|
|
u8 lvds_interface_ctrl3; /* LVDS interface control register 3 */
|
|
u8 edid_rom_emulation; /* select which EDID-block is emulated */
|
|
u8 edid_rom_access_ctrl; /* select which EDID block to map to 0..0x7F */
|
|
u8 pwm_min[3]; /* smallest PWM frequency for back light */
|
|
u8 pwm_max[3]; /* biggest PWM frequency for back light */
|
|
u8 fast_link_ctrl; /* Fast link training control register */
|
|
u8 pin_cfg_ctrl1; /* Pin configuration control register 1 */
|
|
u8 pin_cfg_ctrl2; /* Pin configuration control register 2 */
|
|
u8 pwm_default; /* Default PWM bit count in DPCD register */
|
|
u16 pwm_value; /* Current PWM bit count in DPCD register */
|
|
u8 pwm_default_freq; /* Default PWM frequency in DPCD register */
|
|
u8 t3_timing; /* Panel T3 timing value */
|
|
u8 t12_timing; /* Panel T12 timing value */
|
|
u8 backlight_ctrl; /* Back light control register */
|
|
u8 t2_delay; /* Panel T2 delay */
|
|
u8 t4_timing; /* Panel T4 timing value */
|
|
u8 t5_delay; /* Panel T5 delay */
|
|
} __packed;
|
|
|
|
struct ptn_3460_flash {
|
|
u8 cmd; /* Flash command (erase or erase and flash) */
|
|
u16 magic; /* Magic number needed by the flash algorithm */
|
|
u8 trigger; /* Trigger for starting flash operation */
|
|
} __packed;
|
|
|
|
/* We need functions which we can call to get mainboard specific data */
|
|
enum cb_err mainboard_ptn3460_get_edid(uint8_t edid_data[PTN_EDID_LEN]);
|
|
uint8_t mainboard_ptn3460_select_edid_table(void);
|
|
enum cb_err mainboard_ptn3460_config(struct ptn_3460_config *cfg_ptr);
|
|
|
|
#endif /* _I2C_PTN3460_H_ */
|