diff options
| author | Uros Majstorovic <majstor@majstor.org> | 2020-08-05 03:39:22 +0200 |
|---|---|---|
| committer | Uros Majstorovic <majstor@majstor.org> | 2020-08-05 03:39:22 +0200 |
| commit | cf7c06297d04bade9cd04c056f9ed510e64dd7bd (patch) | |
| tree | a3b8cc23574b98e10874b51d33c9fe1bfc012663 /fw/fe310/eos/i2s_def.h | |
| parent | 5cd610a07468137066ea4daa5176c3e7045113b0 (diff) | |
code -> fw
Diffstat (limited to 'fw/fe310/eos/i2s_def.h')
| -rw-r--r-- | fw/fe310/eos/i2s_def.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fw/fe310/eos/i2s_def.h b/fw/fe310/eos/i2s_def.h new file mode 100644 index 0000000..3a09982 --- /dev/null +++ b/fw/fe310/eos/i2s_def.h @@ -0,0 +1,24 @@ +#define I2S_ETYPE_MIC 1 +#define I2S_ETYPE_SPK 2 + +#define I2S_PIN_CK 1 /* PWM 0.1 */ +#define I2S_PIN_CK_SW 21 /* PWM 1.2 */ +#define I2S_PIN_CK_SR 18 +#define I2S_PIN_WS_MIC 19 /* PWM 1.1 */ +#define I2S_PIN_WS_SPK 11 /* PWM 2.1 */ +#define I2S_PIN_SD_IN 13 +#define I2S_PIN_SD_OUT 12 + +#define I2S_IRQ_WS_ID (INT_PWM2_BASE + 0) +#define I2S_IRQ_SD_ID (INT_PWM2_BASE + 3) + +#define I2S_IDLE_CYCLES 8 + +#define I2S_PWM_SCALE_CK 2 +#define I2S_PWM_SCALE_CK_MASK 0x0003 + +/* asm */ +#define I2S_ABUF_OFF_IDXR 0 +#define I2S_ABUF_OFF_IDXW 2 +#define I2S_ABUF_OFF_SIZE 4 +#define I2S_ABUF_OFF_ARRAY 8 |