ast_i2c.c File Reference

#include <delay.h>
#include <device/i2c_simple.h>
#include "ast_drv.h"

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Macros
#define	_GET_INDEX_REG(x)   ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, (x))
#define	ASPEED_BUS   0

Functions
static int	get_clock (unsigned int bus)
static int	get_data (unsigned int bus)
static void	set_clock (unsigned int bus, int clock)
static void	set_data (unsigned int bus, int data)
int	ast_software_i2c_read (struct ast_private *ast_priv, uint8_t edid[128])

Variables
static struct ast_private *	ast
static struct software_i2c_ops	ast_ops

Macro Definition Documentation

_GET_INDEX_REG

#define _GET_INDEX_REG

(

x

)

ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, (x))

Definition at line 12 of file ast_i2c.c.

ASPEED_BUS

#define ASPEED_BUS   0

Definition at line 13 of file ast_i2c.c.

Function Documentation

ast_software_i2c_read()

int ast_software_i2c_read	(	struct ast_private *	ast_priv,
		uint8_t	edid[128]
	)

Definition at line 90 of file ast_i2c.c.

References ASPEED_BUS, ast, ast_ops, i2c_read_bytes(), set_clock(), set_data(), software_i2c, and udelay().

Referenced by ast_select_mode().

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get_clock()

static int get_clock ( unsigned int  bus )

static

Definition at line 15 of file ast_i2c.c.

References _GET_INDEX_REG, count, and val.

get_data()

static int get_data ( unsigned int  bus )

static

Definition at line 35 of file ast_i2c.c.

References _GET_INDEX_REG, count, and val.

set_clock()

static void set_clock ( unsigned int  bus, int  clock  )

static

Definition at line 55 of file ast_i2c.c.

References ast, ast_get_index_reg_mask(), AST_IO_CRTC_PORT, and ast_set_index_reg_mask().

Referenced by ast_software_i2c_read().

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set_data()

static void set_data ( unsigned int  bus, int  data  )

static

Definition at line 69 of file ast_i2c.c.

Referenced by ast_software_i2c_read().

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Variable Documentation

ast

struct ast_private* ast

static

Definition at line 10 of file ast_i2c.c.

Referenced by ast_backup_fw(), ast_crtc_do_set_base(), ast_crtc_load_lut(), ast_crtc_mode_set(), ast_detect_chip(), ast_detect_config_mode(), ast_dp501_read_edid(), ast_dram_init_2500(), ast_driver_load(), ast_enable_mmio(), ast_enable_vga(), ast_get_dp501_max_clk(), ast_get_dram_info(), ast_get_index_reg(), ast_get_index_reg_mask(), ast_get_vbios_mode_info(), ast_get_vram_info(), ast_hide_cursor(), ast_init_3rdtx(), ast_init_analog(), ast_init_dram_reg(), ast_init_dvo(), ast_is_vga_enabled(), ast_launch_m68k(), ast_load_palette_index(), ast_mindwm(), ast_moutdwm(), ast_open_key(), ast_post_chip_2300(), ast_post_chip_2500(), ast_post_gpu(), ast_select_mode(), ast_set_crtc_reg(), ast_set_dclk_reg(), ast_set_def_ext_reg(), ast_set_ext_reg(), ast_set_index_reg(), ast_set_index_reg_mask(), ast_set_offset_reg(), ast_set_start_address_crt1(), ast_set_std_reg(), ast_set_sync_reg(), ast_software_i2c_read(), ast_write_cmd(), ast_write_data(), cbr_dll2(), cbr_scan(), cbr_scan2(), cbr_scan3(), cbr_test(), cbr_test2(), cbr_test3(), cbr_test_2500(), cbrdlli_ast2150(), cbrscan_ast2150(), cbrtest_ast2150(), check_dram_size_2500(), clear_cmd_trigger(), ddr2_init(), ddr3_init(), ddr3_init_2500(), ddr4_init_2500(), ddr_init_common_2500(), ddr_phy_init_2500(), ddr_test_2500(), enable_cache_2500(), finetuneDQI_L(), finetuneDQSI(), get_ddr2_info(), get_ddr3_info(), get_fw_base(), mmc_test(), mmc_test2(), mmc_test_burst(), mmc_test_burst2(), mmc_test_single(), mmc_test_single2(), mmc_test_single_2500(), mmctestburst2_ast2150(), reset_mmc_2500(), send_ack(), send_nack(), set_clock(), set_cmd_trigger(), set_mpll_2500(), wait_ack(), and wait_nack().

ast_ops

struct software_i2c_ops ast_ops

static

Initial value:

= {
        .set_sda = set_data,
        .set_scl = set_clock,
        .get_sda = get_data,
        .get_scl = get_clock,
}

Definition at line 69 of file ast_i2c.c.

Referenced by ast_software_i2c_read().