#include <console/console.h>
#include <delay.h>
#include <device/i2c_simple.h>
#include <edid.h>
#include <gpio.h>
#include <string.h>
#include <types.h>
#include "anx7625.h"

Include dependency graph for anx7625.c:

Macros
#define	ANXERROR(format, ...) printk(BIOS_ERR, "%s: " format, __func__, ##__VA_ARGS__)

#define	ANXINFO(format, ...) printk(BIOS_INFO, "%s: " format, __func__, ##__VA_ARGS__)

#define	ANXDEBUG(format, ...) printk(BIOS_DEBUG, "%s: " format, __func__, ##__VA_ARGS__)

#define	FLASH_LOAD_STA 0x05

#define	FLASH_LOAD_STA_CHK (1 << 7)

Functions
static int	i2c_access_workaround (uint8_t bus, uint8_t saddr)

static int	anx7625_reg_read (uint8_t bus, uint8_t saddr, uint8_t offset, uint8_t *val)

static int	anx7625_reg_block_read (uint8_t bus, uint8_t saddr, uint8_t reg_addr, uint8_t len, uint8_t *buf)

static int	anx7625_reg_write (uint8_t bus, uint8_t saddr, uint8_t reg_addr, uint8_t reg_val)

static int	anx7625_write_or (uint8_t bus, uint8_t saddr, uint8_t offset, uint8_t mask)

static int	anx7625_write_and (uint8_t bus, uint8_t saddr, uint8_t offset, uint8_t mask)

static int	wait_aux_op_finish (uint8_t bus)

static unsigned long	gcd (unsigned long a, unsigned long b)

static void	anx7625_reduction_of_a_fraction (unsigned long _a, unsigned long _b)

static int	anx7625_calculate_m_n (u32 pixelclock, unsigned long m, unsigned long n, uint8_t *pd)

static int	anx7625_odfc_config (uint8_t bus, uint8_t post_divider)

static int	anx7625_dsi_video_config (uint8_t bus, struct display_timing *dt)

static int	anx7625_swap_dsi_lane3 (uint8_t bus)

static int	anx7625_api_dsi_config (uint8_t bus, struct display_timing *dt)

static int	anx7625_dsi_config (uint8_t bus, struct display_timing *dt)

static int	sp_tx_rst_aux (uint8_t bus)

static int	sp_tx_aux_wr (uint8_t bus, uint8_t offset)

static int	sp_tx_aux_rd (uint8_t bus, uint8_t len_cmd)

static int	sp_tx_get_edid_block (uint8_t bus)

static int	edid_read (uint8_t bus, uint8_t offset, uint8_t *pblock_buf)

static int	segments_edid_read (uint8_t bus, uint8_t segment, uint8_t *buf, uint8_t offset)

static int	sp_tx_edid_read (uint8_t bus, uint8_t *pedid_blocks_buf, uint32_t size)

static void	anx7625_disable_pd_protocol (uint8_t bus)

static int	anx7625_power_on_init (uint8_t bus)

static void	anx7625_start_dp_work (uint8_t bus)

static int	anx7625_hpd_change_detect (uint8_t bus)

static void	anx7625_parse_edid (const struct edid edid, struct display_timing dt)

int	anx7625_dp_start (uint8_t bus, const struct edid *edid)

int	anx7625_dp_get_edid (uint8_t bus, struct edid *out)

int	anx7625_init (uint8_t bus)

Macro Definition Documentation

◆ ANXDEBUG

#define ANXDEBUG	(	format,
		...
	)	printk(BIOS_DEBUG, "%s: " format, __func__, ##__VA_ARGS__)

Definition at line 17 of file anx7625.c.

◆ ANXERROR

#define ANXERROR	(	format,
		...
	)	printk(BIOS_ERR, "%s: " format, __func__, ##__VA_ARGS__)

Definition at line 13 of file anx7625.c.

◆ ANXINFO

#define ANXINFO	(	format,
		...
	)	printk(BIOS_INFO, "%s: " format, __func__, ##__VA_ARGS__)

Definition at line 15 of file anx7625.c.

◆ FLASH_LOAD_STA

#define FLASH_LOAD_STA 0x05

Definition at line 715 of file anx7625.c.

◆ FLASH_LOAD_STA_CHK

#define FLASH_LOAD_STA_CHK (1 << 7)

Definition at line 716 of file anx7625.c.

Function Documentation

◆ anx7625_api_dsi_config()

static int anx7625_api_dsi_config	(	uint8_t	bus,
		struct display_timing *	dt
	)

static

Definition at line 410 of file anx7625.c.

References anx7625_dsi_video_config(), anx7625_reg_write(), anx7625_swap_dsi_lane3(), anx7625_write_and(), anx7625_write_or(), ANXERROR, mdelay(), MIPI_CLK_DET_DET_BYPASS, MIPI_CLK_HS_MANUAL_PD_EN, MIPI_CLK_MISS_CTRL, MIPI_CLK_RT_MANUAL_PD_EN, MIPI_DIGITAL_PLL_18, MIPI_DIGITAL_PLL_6, MIPI_DPI_SELECT, MIPI_HS_PWD_CLK, MIPI_HS_RT_CLK, MIPI_LANE_CTRL_10, MIPI_M_NUM_READY, MIPI_N_NUM_READY, MIPI_PD_CLK, MIPI_PD_LPTX_CH_MANUAL_PD_EN, MIPI_PHY_CONTROL_3, MIPI_TIME_HS_PRPR, MIPI_VIDEO_STABLE_CNT, RX_P1_ADDR, SELECT_DSI, and val.

Referenced by anx7625_dsi_config().

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◆ anx7625_calculate_m_n()

static int anx7625_calculate_m_n	(	u32	pixelclock,
		unsigned long *	m,
		unsigned long *	n,
		uint8_t *	pd
	)

static

Definition at line 201 of file anx7625.c.

References anx7625_reduction_of_a_fraction(), ANXERROR, ANXINFO, m, PLL_OUT_FREQ_ABS_MAX, PLL_OUT_FREQ_ABS_MIN, PLL_OUT_FREQ_MIN, POST_DIVIDER_MAX, POST_DIVIDER_MIN, and XTAL_FRQ.

Referenced by anx7625_dsi_video_config().

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◆ anx7625_disable_pd_protocol()

static void anx7625_disable_pd_protocol ( uint8_t bus )

static

Definition at line 698 of file anx7625.c.

References anx7625_reg_write(), ANXERROR, ANXINFO, AP_AV_STATUS, AP_DISABLE_PD, and RX_P0_ADDR.

Referenced by anx7625_power_on_init().

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◆ anx7625_dp_get_edid()

int anx7625_dp_get_edid	(	uint8_t	bus,
		struct edid *	out
	)

Definition at line 845 of file anx7625.c.

References ANXERROR, decode_edid(), EDID_CONFORMANT, FOUR_BLOCK_SIZE, ONE_BLOCK_SIZE, and sp_tx_edid_read().

Referenced by bridge_anx7625_get_edid(), configure_display(), and get_panel_description().

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◆ anx7625_dp_start()

int anx7625_dp_start	(	uint8_t	bus,
		const struct edid *	edid
	)

Definition at line 828 of file anx7625.c.

References anx7625_dsi_config(), anx7625_parse_edid(), ANXERROR, and ANXINFO.

Referenced by bridge_anx7625_post_power_on(), and configure_display().

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◆ anx7625_dsi_config()

static int anx7625_dsi_config	(	uint8_t	bus,
		struct display_timing *	dt
	)

static

Definition at line 472 of file anx7625.c.

References anx7625_api_dsi_config(), anx7625_write_and(), anx7625_write_or(), ANXERROR, ANXINFO, AP_AV_STATUS, AP_MIPI_MUTE, AP_MIPI_RX_EN, DSC_EN, R_DSC_CTRL_0, and RX_P0_ADDR.

Referenced by anx7625_dp_start().

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◆ anx7625_dsi_video_config()

static int anx7625_dsi_video_config	(	uint8_t	bus,
		struct display_timing *	dt
	)

static

Definition at line 301 of file anx7625.c.

References ACTIVE_LINES_H, ACTIVE_LINES_L, anx7625_calculate_m_n(), anx7625_odfc_config(), anx7625_reg_write(), anx7625_write_and(), anx7625_write_or(), ANXERROR, ANXINFO, display_timing::hactive, display_timing::hback_porch, display_timing::hfront_porch, HORIZONTAL_ACTIVE_PIXELS_H, HORIZONTAL_ACTIVE_PIXELS_L, HORIZONTAL_BACK_PORCH_H, HORIZONTAL_BACK_PORCH_L, HORIZONTAL_FRONT_PORCH_H, HORIZONTAL_FRONT_PORCH_L, HORIZONTAL_SYNC_WIDTH_H, HORIZONTAL_SYNC_WIDTH_L, HORIZONTAL_TOTAL_PIXELS_H, HORIZONTAL_TOTAL_PIXELS_L, display_timing::hsync_len, htotal, display_timing::k_val, m, MIPI_DIGITAL_ADJ_1, MIPI_LANE_CTRL_0, MIPI_PLL_M_NUM_15_8, MIPI_PLL_M_NUM_23_16, MIPI_PLL_M_NUM_7_0, MIPI_PLL_N_NUM_15_8, MIPI_PLL_N_NUM_23_16, MIPI_PLL_N_NUM_7_0, PIXEL_CLOCK_H, PIXEL_CLOCK_L, display_timing::pixelclock, RX_P0_ADDR, RX_P1_ADDR, RX_P2_ADDR, display_timing::vactive, display_timing::vback_porch, VERTICAL_BACK_PORCH, VERTICAL_FRONT_PORCH, VERTICAL_SYNC_WIDTH, display_timing::vfront_porch, and display_timing::vsync_len.

Referenced by anx7625_api_dsi_config().

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◆ anx7625_hpd_change_detect()

static int anx7625_hpd_change_detect ( uint8_t bus )

static

Definition at line 770 of file anx7625.c.

References anx7625_reg_read(), anx7625_start_dp_work(), ANXERROR, ANXINFO, HPD_STATUS, RX_P0_ADDR, and SYSTEM_STSTUS.

Referenced by anx7625_init().

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◆ anx7625_init()

int anx7625_init ( uint8_t bus )

Definition at line 866 of file anx7625.c.

References anx7625_hpd_change_detect(), anx7625_power_on_init(), ANXERROR, mdelay(), and retry.

Referenced by bridge_anx7625_get_edid(), configure_display(), and get_panel_description().

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◆ anx7625_odfc_config()

static int anx7625_odfc_config	(	uint8_t	bus,
		uint8_t	post_divider
	)

static

Definition at line 269 of file anx7625.c.

References anx7625_write_and(), anx7625_write_or(), ANXERROR, MIPI_DIGITAL_PLL_16, MIPI_DIGITAL_PLL_7, MIPI_DIGITAL_PLL_8, MIPI_FREF_D_IND, MIPI_PLL_RESET_N, MIPI_PLL_VCO_TUNE_REG_VAL, REF_CLK_27000kHz, and RX_P1_ADDR.

Referenced by anx7625_dsi_video_config().

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◆ anx7625_parse_edid()

static void anx7625_parse_edid	(	const struct edid *	edid,
		struct display_timing *	dt
	)

static

Definition at line 789 of file anx7625.c.

References ANXINFO, edid_mode::ha, display_timing::hactive, display_timing::hback_porch, edid_mode::hbl, edid_mode::hborder, display_timing::hfront_porch, edid_mode::hso, edid_mode::hspw, display_timing::hsync_len, display_timing::k_val, edid::manufacturer_name, edid::mode, edid_mode::pixel_clock, display_timing::pixelclock, strncmp(), edid_mode::va, display_timing::vactive, display_timing::vback_porch, edid_mode::vbl, edid_mode::vborder, display_timing::vfront_porch, edid_mode::vso, edid_mode::vspw, and display_timing::vsync_len.

Referenced by anx7625_dp_start().

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◆ anx7625_power_on_init()

static int anx7625_power_on_init ( uint8_t bus )

static

Definition at line 718 of file anx7625.c.

References anx7625_disable_pd_protocol(), anx7625_reg_read(), anx7625_reg_write(), ANXERROR, ANXINFO, FLASH_LOAD_STA, FLASH_LOAD_STA_CHK, mdelay(), OCM_FW_REVERSION, OCM_FW_VERSION, OCM_LOADING_TIME, RX_P0_ADDR, val, version, XTAL_FRQ_27M, and XTAL_FRQ_SEL.

Referenced by anx7625_init().

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◆ anx7625_reduction_of_a_fraction()

static void anx7625_reduction_of_a_fraction	(	unsigned long *	_a,
		unsigned long *	_b
	)

static

Definition at line 171 of file anx7625.c.

References gcd(), and MAX_UNSIGNED_24BIT.

Referenced by anx7625_calculate_m_n().

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◆ anx7625_reg_block_read()

static int anx7625_reg_block_read	(	uint8_t	bus,
		uint8_t	saddr,
		uint8_t	reg_addr,
		uint8_t	len,
		uint8_t *	buf
	)

static

Definition at line 79 of file anx7625.c.

References ANXERROR, buf, i2c_access_workaround(), and i2c_read_bytes().

Referenced by edid_read(), and segments_edid_read().

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◆ anx7625_reg_read()

static int anx7625_reg_read	(	uint8_t	bus,
		uint8_t	saddr,
		uint8_t	offset,
		uint8_t *	val
	)

static

Definition at line 65 of file anx7625.c.

References ANXERROR, i2c_access_workaround(), i2c_readb(), offset, and val.

Referenced by anx7625_hpd_change_detect(), anx7625_power_on_init(), anx7625_start_dp_work(), anx7625_swap_dsi_lane3(), anx7625_write_and(), anx7625_write_or(), sp_tx_get_edid_block(), and wait_aux_op_finish().

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◆ anx7625_reg_write()

static int anx7625_reg_write	(	uint8_t	bus,
		uint8_t	saddr,
		uint8_t	reg_addr,
		uint8_t	reg_val
	)

static

Definition at line 94 of file anx7625.c.

References ANXERROR, i2c_access_workaround(), and i2c_writeb().

Referenced by anx7625_api_dsi_config(), anx7625_disable_pd_protocol(), anx7625_dsi_video_config(), anx7625_power_on_init(), anx7625_swap_dsi_lane3(), anx7625_write_and(), anx7625_write_or(), segments_edid_read(), sp_tx_aux_rd(), sp_tx_aux_wr(), and sp_tx_edid_read().

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◆ anx7625_start_dp_work()

static void anx7625_start_dp_work ( uint8_t bus )

static

Definition at line 748 of file anx7625.c.

References anx7625_reg_read(), anx7625_write_and(), anx7625_write_or(), ANXINFO, RX_P1_ADDR, and val.

Referenced by anx7625_hpd_change_detect().

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◆ anx7625_swap_dsi_lane3()

static int anx7625_swap_dsi_lane3 ( uint8_t bus )

static

Definition at line 394 of file anx7625.c.

References anx7625_reg_read(), anx7625_reg_write(), ANXERROR, MIPI_SWAP, MIPI_SWAP_CH3, RX_P1_ADDR, and val.

Referenced by anx7625_api_dsi_config().

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◆ anx7625_write_and()

static int anx7625_write_and	(	uint8_t	bus,
		uint8_t	saddr,
		uint8_t	offset,
		uint8_t	mask
	)

static

Definition at line 121 of file anx7625.c.

References anx7625_reg_read(), anx7625_reg_write(), mask, offset, and val.

Referenced by anx7625_api_dsi_config(), anx7625_dsi_config(), anx7625_dsi_video_config(), anx7625_odfc_config(), anx7625_start_dp_work(), sp_tx_edid_read(), and sp_tx_rst_aux().

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◆ anx7625_write_or()

static int anx7625_write_or	(	uint8_t	bus,
		uint8_t	saddr,
		uint8_t	offset,
		uint8_t	mask
	)

static

Definition at line 108 of file anx7625.c.

References anx7625_reg_read(), anx7625_reg_write(), mask, offset, and val.

Referenced by anx7625_api_dsi_config(), anx7625_dsi_config(), anx7625_dsi_video_config(), anx7625_odfc_config(), anx7625_start_dp_work(), sp_tx_aux_rd(), sp_tx_aux_wr(), and sp_tx_rst_aux().

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◆ edid_read()

static int edid_read	(	uint8_t	bus,
		uint8_t	offset,
		uint8_t *	pblock_buf
	)

static

Definition at line 553 of file anx7625.c.

References anx7625_reg_block_read(), ANXERROR, AP_AUX_BUFF_START, MAX_DPCD_BUFFER_SIZE, offset, RX_P0_ADDR, sp_tx_aux_rd(), sp_tx_aux_wr(), and sp_tx_rst_aux().

Referenced by sp_tx_edid_read().

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◆ gcd()

static unsigned long gcd	(	unsigned long	a,
		unsigned long	b
	)

static

Definition at line 155 of file anx7625.c.

Referenced by anx7625_reduction_of_a_fraction().

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◆ i2c_access_workaround()

static int i2c_access_workaround	(	uint8_t	bus,
		uint8_t	saddr
	)

static

Definition at line 25 of file anx7625.c.

References ANXERROR, i2c_writeb(), offset, RSVD_00_ADDR, RSVD_39_ADDR, RSVD_60_ADDR, RSVD_7F_ADDR, RSVD_D1_ADDR, RX_P0_ADDR, RX_P1_ADDR, TCPC_INTERFACE_ADDR, TX_P0_ADDR, and TX_P1_ADDR.

Referenced by anx7625_reg_block_read(), anx7625_reg_read(), and anx7625_reg_write().

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◆ segments_edid_read()

static int segments_edid_read	(	uint8_t	bus,
		uint8_t	segment,
		uint8_t *	buf,
		uint8_t	offset
	)

static

Definition at line 577 of file anx7625.c.

References anx7625_reg_block_read(), anx7625_reg_write(), ANXERROR, AP_AUX_ADDR_7_0, AP_AUX_BUFF_START, AP_AUX_COMMAND, AP_AUX_CTRL_ADDRONLY, AP_AUX_CTRL_OP_EN, AP_AUX_CTRL_STATUS, buf, MAX_DPCD_BUFFER_SIZE, offset, RX_P0_ADDR, sp_tx_aux_rd(), sp_tx_aux_wr(), sp_tx_rst_aux(), and wait_aux_op_finish().

Referenced by sp_tx_edid_read().

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◆ sp_tx_aux_rd()

static int sp_tx_aux_rd	(	uint8_t	bus,
		uint8_t	len_cmd
	)

static

Definition at line 521 of file anx7625.c.

References anx7625_reg_write(), anx7625_write_or(), AP_AUX_COMMAND, AP_AUX_CTRL_OP_EN, AP_AUX_CTRL_STATUS, RX_P0_ADDR, and wait_aux_op_finish().

Referenced by edid_read(), segments_edid_read(), and sp_tx_get_edid_block().

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◆ sp_tx_aux_wr()

static int sp_tx_aux_wr	(	uint8_t	bus,
		uint8_t	offset
	)

static

Definition at line 510 of file anx7625.c.

References anx7625_reg_write(), anx7625_write_or(), AP_AUX_BUFF_START, AP_AUX_COMMAND, AP_AUX_CTRL_OP_EN, AP_AUX_CTRL_STATUS, offset, RX_P0_ADDR, and wait_aux_op_finish().

Referenced by edid_read(), segments_edid_read(), and sp_tx_get_edid_block().

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◆ sp_tx_edid_read()

static int sp_tx_edid_read	(	uint8_t	bus,
		uint8_t *	pedid_blocks_buf,
		uint32_t	size
	)

static

Definition at line 619 of file anx7625.c.

References anx7625_reg_write(), anx7625_write_and(), ANXERROR, AP_AUX_ADDR_15_8, AP_AUX_ADDR_19_16, AP_AUX_ADDR_7_0, count, die(), edid_read(), MAX_DPCD_BUFFER_SIZE, memcpy(), offset, RX_P0_ADDR, segments_edid_read(), sp_tx_get_edid_block(), and sp_tx_rst_aux().

Referenced by anx7625_dp_get_edid().

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◆ sp_tx_get_edid_block()

static int sp_tx_get_edid_block ( uint8_t bus )

static

Definition at line 531 of file anx7625.c.

References anx7625_reg_read(), ANXERROR, ANXINFO, AP_AUX_BUFF_START, RX_P0_ADDR, sp_tx_aux_rd(), sp_tx_aux_wr(), and val.

Referenced by sp_tx_edid_read().

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◆ sp_tx_rst_aux()

static int sp_tx_rst_aux ( uint8_t bus )

static

Definition at line 501 of file anx7625.c.

References anx7625_write_and(), anx7625_write_or(), AUX_RST, RST_CTRL2, and TX_P2_ADDR.

Referenced by edid_read(), segments_edid_read(), and sp_tx_edid_read().

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◆ wait_aux_op_finish()

static int wait_aux_op_finish ( uint8_t bus )

static

Definition at line 134 of file anx7625.c.

References anx7625_reg_read(), ANXDEBUG, ANXERROR, AP_AUX_CTRL_OP_EN, AP_AUX_CTRL_STATUS, mdelay(), retry, RX_P0_ADDR, and val.

Referenced by segments_edid_read(), sp_tx_aux_rd(), and sp_tx_aux_wr().

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Macros

Functions

Macro Definition Documentation

◆ ANXDEBUG

◆ ANXERROR

◆ ANXINFO

◆ FLASH_LOAD_STA

◆ FLASH_LOAD_STA_CHK

Function Documentation

◆ anx7625_api_dsi_config()

◆ anx7625_calculate_m_n()

◆ anx7625_disable_pd_protocol()

◆ anx7625_dp_get_edid()

◆ anx7625_dp_start()

◆ anx7625_dsi_config()

◆ anx7625_dsi_video_config()

◆ anx7625_hpd_change_detect()

◆ anx7625_init()

◆ anx7625_odfc_config()

◆ anx7625_parse_edid()

◆ anx7625_power_on_init()

◆ anx7625_reduction_of_a_fraction()

◆ anx7625_reg_block_read()

◆ anx7625_reg_read()

◆ anx7625_reg_write()

◆ anx7625_start_dp_work()

◆ anx7625_swap_dsi_lane3()

◆ anx7625_write_and()

◆ anx7625_write_or()

◆ edid_read()

◆ gcd()

◆ i2c_access_workaround()

◆ segments_edid_read()

◆ sp_tx_aux_rd()

◆ sp_tx_aux_wr()

◆ sp_tx_edid_read()

◆ sp_tx_get_edid_block()

◆ sp_tx_rst_aux()

◆ wait_aux_op_finish()