6b13f685e
 김민수
BSP 최초 추가
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#ifndef __SOUND_DESIGNWARE_I2S_H
#define __SOUND_DESIGNWARE_I2S_H
#include <linux/dmaengine.h>
#include <linux/types.h>
struct i2s_clk_config_data {
int chan_nr;
u32 data_width;
u32 sample_rate;
};
struct i2s_platform_data {
#define DWC_I2S_PLAY (1 << 0)
#define DWC_I2S_RECORD (1 << 1)
unsigned int cap;
int channel;
u32 snd_fmts;
u32 snd_rates;
void *play_dma_data;
void *capture_dma_data;
bool (*filter)(struct dma_chan *chan, void *slave);
int (*i2s_clk_cfg)(struct i2s_clk_config_data *config);
};
struct i2s_dma_data {
void *data;
dma_addr_t addr;
u32 max_burst;
enum dma_slave_buswidth addr_width;
bool (*filter)(struct dma_chan *chan, void *slave);
};
#define I2S_RXDMA 0x01C0
#define I2S_TXDMA 0x01C8
#define TWO_CHANNEL_SUPPORT 2 /* up to 2.0 */
#define FOUR_CHANNEL_SUPPORT 4 /* up to 3.1 */
#define SIX_CHANNEL_SUPPORT 6 /* up to 5.1 */
#define EIGHT_CHANNEL_SUPPORT 8 /* up to 7.1 */
#endif /* __SOUND_DESIGNWARE_I2S_H */
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