diff options
Diffstat (limited to 'sound/aoa/soundbus/i2sbus/i2sbus-control.h')
| -rw-r--r-- | sound/aoa/soundbus/i2sbus/i2sbus-control.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sound/aoa/soundbus/i2sbus/i2sbus-control.h b/sound/aoa/soundbus/i2sbus/i2sbus-control.h new file mode 100644 index 00000000000..bb05550f730 --- /dev/null +++ b/sound/aoa/soundbus/i2sbus/i2sbus-control.h @@ -0,0 +1,37 @@ +/* + * i2sbus driver -- bus register definitions + * + * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> + * + * GPL v2, can be found in COPYING. + */ +#ifndef __I2SBUS_CONTROLREGS_H +#define __I2SBUS_CONTROLREGS_H + +/* i2s control registers, at least what we know about them */ + +#define __PAD(m,n) u8 __pad##m[n] +#define _PAD(line, n) __PAD(line, n) +#define PAD(n) _PAD(__LINE__, (n)) +struct i2s_control_regs { + PAD(0x38); + __le32 fcr0; /* 0x38 (unknown) */ + __le32 cell_control; /* 0x3c (fcr1) */ + __le32 fcr2; /* 0x40 (unknown) */ + __le32 fcr3; /* 0x44 (fcr3) */ + __le32 clock_control; /* 0x48 (unknown) */ + PAD(4); + /* total size: 0x50 bytes */ +} __attribute__((__packed__)); + +#define CTRL_CLOCK_CELL_0_ENABLE (1<<10) +#define CTRL_CLOCK_CLOCK_0_ENABLE (1<<12) +#define CTRL_CLOCK_SWRESET_0 (1<<11) +#define CTRL_CLOCK_INTF_0_ENABLE (1<<13) + +#define CTRL_CLOCK_CELL_1_ENABLE (1<<17) +#define CTRL_CLOCK_CLOCK_1_ENABLE (1<<18) +#define CTRL_CLOCK_SWRESET_1 (1<<19) +#define CTRL_CLOCK_INTF_1_ENABLE (1<<20) + +#endif /* __I2SBUS_CONTROLREGS_H */ |