1 files changed, 28 insertions, 0 deletions
diff --git a/code/fe310/eos/i2s_def.h b/code/fe310/eos/i2s_def.h
new file mode 100644
index 0000000..04e9c27
--- /dev/null
+++ b/code/fe310/eos/i2s_def.h
@@ -0,0 +1,28 @@
+#define I2S_EVT_MIC             0x0
+#define I2S_EVT_SPK             0x1
+#define I2S_MAX_HANDLER         2
+
+#define I2S_PIN_CK              19  // pin 3
+#define I2S_PIN_WS              11  // pin 17
+#define I2S_PIN_SD              12  // pin 18
+
+#define I2S_PIN_LR              13  // pin 19
+
+#define I2S_IRQ_SD_ID           (INT_PWM1_BASE + 2)
+#define I2S_IRQ_CK_ID           (INT_PWM1_BASE + 0)
+#define I2S_IRQ_WS_ID           (INT_PWM2_BASE + 0)
+#define I2S_IRQ_CI_ID           (INT_PWM2_BASE + 2)
+
+#define I2S_IRQ_SD_PRIORITY     7
+#define I2S_IRQ_CK_PRIORITY     7
+#define I2S_IRQ_WS_PRIORITY     6
+#define I2S_IRQ_CI_PRIORITY     6
+#define I2S_IRQ_MASK            5
+
+#define I2S_SMPL_WIDTH          13
+
+/* 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