mcbsp.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/pm_runtime.h>
#include <linux/platform_data/asoc-ti-mcbsp.h>
#include <plat/cpu.h>
#include "mcbsp.h"

Go to the source code of this file.

Macros
#define	MCBSP_READ(mcbsp, reg)   omap_mcbsp_read(mcbsp, OMAP_MCBSP_REG_##reg, 0)
#define	MCBSP_WRITE(mcbsp, reg, val)   omap_mcbsp_write(mcbsp, OMAP_MCBSP_REG_##reg, val)
#define	MCBSP_READ_CACHE(mcbsp, reg)   omap_mcbsp_read(mcbsp, OMAP_MCBSP_REG_##reg, 1)
#define	MCBSP_ST_READ(mcbsp, reg)   omap_mcbsp_st_read(mcbsp, OMAP_ST_REG_##reg)
#define	MCBSP_ST_WRITE(mcbsp, reg, val)   omap_mcbsp_st_write(mcbsp, OMAP_ST_REG_##reg, val)
#define	max_thres(m)   (mcbsp->pdata->buffer_size)
#define	valid_threshold(m, val)   ((val) <= max_thres(m))
#define	THRESHOLD_PROP_BUILDER(prop)

Functions
void	omap_mcbsp_config (struct omap_mcbsp *mcbsp, const struct omap_mcbsp_reg_cfg *config)
int	omap_st_set_chgain (struct omap_mcbsp *mcbsp, int channel, s16 chgain)
int	omap_st_get_chgain (struct omap_mcbsp *mcbsp, int channel, s16 *chgain)
int	omap_st_enable (struct omap_mcbsp *mcbsp)
int	omap_st_disable (struct omap_mcbsp *mcbsp)
int	omap_st_is_enabled (struct omap_mcbsp *mcbsp)
void	omap_mcbsp_set_tx_threshold (struct omap_mcbsp *mcbsp, u16 threshold)
void	omap_mcbsp_set_rx_threshold (struct omap_mcbsp *mcbsp, u16 threshold)
u16	omap_mcbsp_get_tx_delay (struct omap_mcbsp *mcbsp)
u16	omap_mcbsp_get_rx_delay (struct omap_mcbsp *mcbsp)
int	omap_mcbsp_request (struct omap_mcbsp *mcbsp)
void	omap_mcbsp_free (struct omap_mcbsp *mcbsp)
void	omap_mcbsp_start (struct omap_mcbsp *mcbsp, int tx, int rx)
void	omap_mcbsp_stop (struct omap_mcbsp *mcbsp, int tx, int rx)
int	omap2_mcbsp_set_clks_src (struct omap_mcbsp *mcbsp, u8 fck_src_id)
	THRESHOLD_PROP_BUILDER (max_tx_thres)
	THRESHOLD_PROP_BUILDER (max_rx_thres)
int __devinit	omap_mcbsp_init (struct platform_device *pdev)
void __devexit	omap_mcbsp_sysfs_remove (struct omap_mcbsp *mcbsp)

Macro Definition Documentation

#define max_thres

(

m

)

(mcbsp->pdata->buffer_size)

Definition at line 767 of file mcbsp.c.

#define MCBSP_READ	(		mcbsp,
			reg
	)		omap_mcbsp_read(mcbsp, OMAP_MCBSP_REG_##reg, 0)

Definition at line 71 of file mcbsp.c.

#define MCBSP_READ_CACHE	(		mcbsp,
			reg
	)		omap_mcbsp_read(mcbsp, OMAP_MCBSP_REG_##reg, 1)

Definition at line 75 of file mcbsp.c.

#define MCBSP_ST_READ	(		mcbsp,
			reg
	)		omap_mcbsp_st_read(mcbsp, OMAP_ST_REG_##reg)

Definition at line 78 of file mcbsp.c.

#define MCBSP_ST_WRITE	(		mcbsp,
			reg,
			val
	)		omap_mcbsp_st_write(mcbsp, OMAP_ST_REG_##reg, val)

Definition at line 80 of file mcbsp.c.

#define MCBSP_WRITE	(		mcbsp,
			reg,
			val
	)		omap_mcbsp_write(mcbsp, OMAP_MCBSP_REG_##reg, val)

Definition at line 73 of file mcbsp.c.

#define THRESHOLD_PROP_BUILDER

(

prop

)

Value:

static ssize_t prop##_show(struct device *dev,              \
            struct device_attribute *attr, char *buf)   \
{                                   \
	struct omap_mcbsp *mcbsp = dev_get_drvdata(dev);       \
                                    \
    return sprintf(buf, "%u\n", mcbsp->prop);           \
}                                   \
                                    \
static ssize_t prop##_store(struct device *dev,             \
                struct device_attribute *attr,      \
                const char *buf, size_t size)       \
{                                   \
	struct omap_mcbsp *mcbsp = dev_get_drvdata(dev);       \
    unsigned long val;                      \
    int status;                         \
                                    \
	status = strict_strtoul(buf, 0, &val);             \
    if (status)                         \
        return status;                      \
									\
	if (!valid_threshold(mcbsp, val))              \
        return -EDOM;                       \
                                    \
    mcbsp->prop = val;                      \
    return size;                            \
}                                   \
                                    \
static DEVICE_ATTR(prop, 0644, prop##_show, prop##_store);

Definition at line 769 of file mcbsp.c.

#define valid_threshold	(		m,
			val
	)		((val) <= max_thres(m))

Definition at line 768 of file mcbsp.c.

Function Documentation

int omap2_mcbsp_set_clks_src	(	struct omap_mcbsp *	mcbsp,
		u8	fck_src_id
	)

Definition at line 730 of file mcbsp.c.

void omap_mcbsp_config	(	struct omap_mcbsp *	mcbsp,
		const struct omap_mcbsp_reg_cfg *	config
	)

Definition at line 198 of file mcbsp.c.

void omap_mcbsp_free

(

struct omap_mcbsp *

mcbsp

)

Definition at line 584 of file mcbsp.c.

u16 omap_mcbsp_get_rx_delay

(

struct omap_mcbsp *

mcbsp

)

Definition at line 489 of file mcbsp.c.

u16 omap_mcbsp_get_tx_delay

(

struct omap_mcbsp *

mcbsp

)

Definition at line 471 of file mcbsp.c.

int __devinit omap_mcbsp_init

(

struct platform_device *

pdev

)

Definition at line 962 of file mcbsp.c.

int omap_mcbsp_request

(

struct omap_mcbsp *

mcbsp

)

Definition at line 508 of file mcbsp.c.

void omap_mcbsp_set_rx_threshold	(	struct omap_mcbsp *	mcbsp,
		u16	threshold
	)

Definition at line 459 of file mcbsp.c.

void omap_mcbsp_set_tx_threshold	(	struct omap_mcbsp *	mcbsp,
		u16	threshold
	)

Definition at line 445 of file mcbsp.c.

void omap_mcbsp_start	(	struct omap_mcbsp *	mcbsp,
		int	tx,
		int	rx
	)

Definition at line 635 of file mcbsp.c.

void omap_mcbsp_stop	(	struct omap_mcbsp *	mcbsp,
		int	tx,
		int	rx
	)

Definition at line 692 of file mcbsp.c.

void __devexit omap_mcbsp_sysfs_remove

(

struct omap_mcbsp *

mcbsp

)

Definition at line 1090 of file mcbsp.c.

int omap_st_disable

(

struct omap_mcbsp *

mcbsp

)

Definition at line 414 of file mcbsp.c.

int omap_st_enable

(

struct omap_mcbsp *

mcbsp

)

Definition at line 385 of file mcbsp.c.

int omap_st_get_chgain	(	struct omap_mcbsp *	mcbsp,
		int	channel,
		s16 *	chgain
	)

Definition at line 348 of file mcbsp.c.

int omap_st_is_enabled

(

struct omap_mcbsp *

mcbsp

)

Definition at line 430 of file mcbsp.c.

int omap_st_set_chgain	(	struct omap_mcbsp *	mcbsp,
		int	channel,
		s16	chgain
	)

Definition at line 325 of file mcbsp.c.

THRESHOLD_PROP_BUILDER

(

max_tx_thres

)

THRESHOLD_PROP_BUILDER

(

max_rx_thres

)