mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 03:10:12 +00:00
![Thomas Gleixner](/assets/img/avatar_default.png)
Based on the normalized pattern: 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference. Reviewed-by: Allison Randal <allison@lohutok.net> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/* Copyright (C) 2014-2015 Broadcom Corporation */
|
|
#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
|