ptn3460.c File Reference

#include <console/console.h>
#include <device/i2c_bus.h>
#include <types.h>
#include "ptn3460.h"

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Functions
static int	ptn_select_edid (struct device *dev, uint8_t edid_num)
	This function selects one of 7 EDID-tables inside PTN3460 which should be emulated on display port and turn emulation ON. More...
static int	ptn3460_write_edid (struct device *dev, u8 edid_num, u8 *data)
	This function writes one EDID data structure to PTN3460. More...
static void	ptn3460_init (struct device *dev)
	This function sets up the DP2LVDS-converter to be used with the appropriate EDID data. More...
__weak enum cb_err	mb_get_edid (uint8_t edid_data[0x80])
__weak uint8_t	mb_select_edid_table (void)
__weak int	mb_adjust_cfg (struct ptn_3460_config *cfg_ptr)
static void	ptn3460_enable (struct device *dev)

Variables
static struct device_operations	ptn3460_ops
struct chip_operations	drivers_i2c_ptn3460_ops

Function Documentation

mb_adjust_cfg()

__weak int mb_adjust_cfg

(

struct ptn_3460_config *

cfg_ptr

)

Definition at line 122 of file ptn3460.c.

Referenced by ptn3460_init().

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mb_get_edid()

__weak enum cb_err mb_get_edid

(

uint8_t

edid_data[0x80]

)

Definition at line 114 of file ptn3460.c.

References CB_ERR.

Referenced by ptn3460_init().

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mb_select_edid_table()

__weak uint8_t mb_select_edid_table

(

void

)

Definition at line 118 of file ptn3460.c.

Referenced by ptn3460_init().

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ptn3460_enable()

static void ptn3460_enable ( struct device *  dev )

static

Definition at line 133 of file ptn3460.c.

ptn3460_init()

static void ptn3460_init ( struct device *  dev )

static

This function sets up the DP2LVDS-converter to be used with the appropriate EDID data.

Parameters

*dev	Pointer to the I2C controller where PTN3460 is attached

Definition at line 62 of file ptn3460.c.

References BIOS_ERR, CB_SUCCESS, i2c_dev_readb_at(), i2c_dev_writeb_at(), mb_adjust_cfg(), mb_get_edid(), mb_select_edid_table(), printk, ptn3460_write_edid(), PTN_CFG_MODIFIED, PTN_CONFIG_OFF, PTN_EDID_LEN, PTN_MAX_EDID_NUM, ptn_select_edid(), PTN_SUCCESS, and val.

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ptn3460_write_edid()

static int ptn3460_write_edid ( struct device *  dev, u8  edid_num, u8 *  data  )

static

This function writes one EDID data structure to PTN3460.

Parameters

*dev	Pointer to the relevant I2C controller
edid_num	Number of EDID that must be written (0..6)
*data	Pointer to a buffer where data to write is stored in

Returns

PTN_SUCCESS on success or error code

Definition at line 35 of file ptn3460.c.

References i2c_dev_writeb_at(), PTN_BUS_ERROR, PTN_CONFIG_OFF, PTN_EDID_LEN, PTN_EDID_OFF, PTN_INVALID_EDID, PTN_MAX_EDID_NUM, and PTN_SUCCESS.

Referenced by ptn3460_init().

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ptn_select_edid()

static int ptn_select_edid ( struct device *  dev, uint8_t  edid_num  )

static

This function selects one of 7 EDID-tables inside PTN3460 which should be emulated on display port and turn emulation ON.

Parameters

*dev	Pointer to the relevant I2C controller
edid_num	Number of EDID to emulate (0..6)

Returns

PTN_SUCCESS or error code

Definition at line 16 of file ptn3460.c.

References i2c_dev_writeb_at(), PTN_BUS_ERROR, PTN_CONFIG_OFF, PTN_ENABLE_EMULATION, PTN_INVALID_EDID, PTN_MAX_EDID_NUM, PTN_SUCCESS, and val.

Referenced by ptn3460_init().

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Variable Documentation

drivers_i2c_ptn3460_ops

struct chip_operations drivers_i2c_ptn3460_ops

Initial value:

= {
 
        .enable_dev = ptn3460_enable
}

Definition at line 133 of file ptn3460.c.

ptn3460_ops

struct device_operations ptn3460_ops

static

Initial value:

= {
        .read_resources         = noop_read_resources,
        .set_resources          = noop_set_resources,
        .init                   = ptn3460_init,
}

Definition at line 122 of file ptn3460.c.