Release 4.11 sound/soc/bcm/cygnus-ssp.h

/*
 * Copyright (C) 2014-2015 Broadcom Corporation
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */
#ifndef __CYGNUS_SSP_H__

#define __CYGNUS_SSP_H__


#define CYGNUS_TDM_DAI_MAX_SLOTS 16


#define CYGNUS_MAX_PLAYBACK_PORTS 4

#define CYGNUS_MAX_CAPTURE_PORTS 3

#define CYGNUS_MAX_I2S_PORTS 3

#define CYGNUS_MAX_PORTS  CYGNUS_MAX_PLAYBACK_PORTS

#define CYGNUS_AUIDO_MAX_NUM_CLKS 3


#define CYGNUS_SSP_FRAMEBITS_DIV 1


#define CYGNUS_SSPMODE_I2S 0

#define CYGNUS_SSPMODE_TDM 1

#define CYGNUS_SSPMODE_UNKNOWN -1


#define CYGNUS_SSP_CLKSRC_PLL      0

/* Max string length of our dt property names */

#define PROP_LEN_MAX 40


struct ringbuf_regs {
	
unsigned rdaddr;
	
unsigned wraddr;
	
unsigned baseaddr;
	
unsigned endaddr;
	
unsigned fmark;   /* freemark for play, fullmark for caputure */
	
unsigned period_bytes;
	
unsigned buf_size;
};


#define RINGBUF_REG_PLAYBACK(num) ((struct ringbuf_regs) { \
        .rdaddr = SRC_RBUF_ ##num## _RDADDR_OFFSET, \
        .wraddr = SRC_RBUF_ ##num## _WRADDR_OFFSET, \
        .baseaddr = SRC_RBUF_ ##num## _BASEADDR_OFFSET, \
        .endaddr = SRC_RBUF_ ##num## _ENDADDR_OFFSET, \
        .fmark = SRC_RBUF_ ##num## _FREE_MARK_OFFSET, \
        .period_bytes = 0, \
        .buf_size = 0, \
})


#define RINGBUF_REG_CAPTURE(num) ((struct ringbuf_regs)  { \
        .rdaddr = DST_RBUF_ ##num## _RDADDR_OFFSET, \
        .wraddr = DST_RBUF_ ##num## _WRADDR_OFFSET, \
        .baseaddr = DST_RBUF_ ##num## _BASEADDR_OFFSET, \
        .endaddr = DST_RBUF_ ##num## _ENDADDR_OFFSET, \
        .fmark = DST_RBUF_ ##num## _FULL_MARK_OFFSET, \
        .period_bytes = 0, \
        .buf_size = 0, \
})


enum cygnus_audio_port_type {
	
PORT_TDM,
	
PORT_SPDIF,
};


struct cygnus_ssp_regs {
	
u32 i2s_stream_cfg;
	
u32 i2s_cfg;
	
u32 i2s_cap_stream_cfg;
	
u32 i2s_cap_cfg;
	
u32 i2s_mclk_cfg;

	
u32 bf_destch_ctrl;
	
u32 bf_destch_cfg;
	
u32 bf_sourcech_ctrl;
	
u32 bf_sourcech_cfg;
	
u32 bf_sourcech_grp;
};


struct cygnus_track_clk {
	
bool cap_en;
	
bool play_en;
	
bool cap_clk_en;
	
bool play_clk_en;
};


struct cygnus_aio_port {
	
int portnum;
	
int mode;
	
bool is_slave;
	
int streams_on;   /* will be 0 if both capture and play are off */
	
int fsync_width;
	
int port_type;

	
u32 mclk;
	
u32 lrclk;
	
u32 bit_per_frame;
	
u32 pll_clk_num;

	
struct cygnus_audio *cygaud;
	
struct cygnus_ssp_regs regs;

	
struct ringbuf_regs play_rb_regs;
	
struct ringbuf_regs capture_rb_regs;

	
struct snd_pcm_substream *play_stream;
	
struct snd_pcm_substream *capture_stream;

	
struct cygnus_track_clk clk_trace;
};



struct cygnus_audio {
	
struct cygnus_aio_port  portinfo[CYGNUS_MAX_PORTS];

	
int irq_num;
	
void __iomem *audio;
	
struct device *dev;
	
void __iomem *i2s_in;

	
struct clk *audio_clk[CYGNUS_AUIDO_MAX_NUM_CLKS];
	
int active_ports;
	
unsigned long vco_rate;
};

extern int cygnus_ssp_get_mode(struct snd_soc_dai *cpu_dai);
extern int cygnus_ssp_add_pll_tweak_controls(struct snd_soc_pcm_runtime *rtd);
extern int cygnus_ssp_set_custom_fsync_width(struct snd_soc_dai *cpu_dai,
						int len);
extern int cygnus_soc_platform_register(struct device *dev,
					struct cygnus_audio *cygaud);
extern int cygnus_soc_platform_unregister(struct device *dev);
extern int cygnus_ssp_set_custom_fsync_width(struct snd_soc_dai *cpu_dai,
	int len);
#endif
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Simran Rai
342
100.00%
1
100.00%
Total
342
100.00%
1
100.00%
Directory: sound/soc/bcm

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.