ASoC: rockchip: add support for pdm controller

[firefly-linux-kernel-4.4.55.git] / sound / soc / rockchip / rockchip_pdm.h

diff --git a/sound/soc/rockchip/rockchip_pdm.h b/sound/soc/rockchip/rockchip_pdm.h
new file mode 100644 (file)
index 0000000..886b48d
--- /dev/null
+++ b/sound/soc/rockchip/rockchip_pdm.h
@@ -0,0 +1,83 @@
+/*
+ * Rockchip PDM ALSA SoC Digital Audio Interface(DAI)  driver
+ *
+ * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _ROCKCHIP_PDM_H
+#define _ROCKCHIP_PDM_H
+
+/* PDM REGS */
+#define PDM_SYSCONFIG  (0x0000)
+#define PDM_CTRL0      (0x0004)
+#define PDM_CTRL1      (0x0008)
+#define PDM_CLK_CTRL   (0x000c)
+#define PDM_HPF_CTRL   (0x0010)
+#define PDM_FIFO_CTRL  (0x0014)
+#define PDM_DMA_CTRL   (0x0018)
+#define PDM_INT_EN     (0x001c)
+#define PDM_INT_CLR    (0x0020)
+#define PDM_INT_ST     (0x0024)
+#define PDM_RXFIFO_DATA        (0x0030)
+#define PDM_DATA_VALID (0x0054)
+#define PDM_VERSION    (0x0058)
+
+/* PDM_SYSCONFIG */
+#define PDM_RX_MASK            (0x1 << 2)
+#define PDM_RX_START           (0x1 << 2)
+#define PDM_RX_STOP            (0x0 << 2)
+#define PDM_RX_CLR_MASK                (0x1 << 0)
+#define PDM_RX_CLR_WR          (0x1 << 0)
+#define PDM_RX_CLR_DONE                (0x0 << 0)
+
+/* PDM CTRL0 */
+#define PDM_PATH_MSK           (0xf << 27)
+#define PDM_PATH3_EN           BIT(30)
+#define PDM_PATH2_EN           BIT(29)
+#define PDM_PATH1_EN           BIT(28)
+#define PDM_PATH0_EN           BIT(27)
+#define PDM_HWT_EN             BIT(26)
+#define PDM_VDW_MSK            (0x1f << 0)
+#define PDM_VDW(X)             ((X - 1) << 0)
+
+/* PDM CLK CTRL */
+#define PDM_CLK_MSK            BIT(5)
+#define PDM_CLK_EN             BIT(5)
+#define PDM_CLK_DIS            (0x0 << 5)
+#define PDM_CKP_MSK            BIT(3)
+#define PDM_CKP_NORMAL         (0x0 << 3)
+#define PDM_CKP_INVERTED       BIT(3)
+#define PDM_DS_RATIO_MSK       (0x7 << 0)
+#define PDM_CLK_320FS          (0x0 << 0)
+#define PDM_CLK_640FS          (0x1 << 0)
+#define PDM_CLK_1280FS         (0x2 << 0)
+#define PDM_CLK_2560FS         (0x3 << 0)
+#define PDM_CLK_5120FS         (0x4 << 0)
+
+/* PDM HPF CTRL */
+#define PDM_HPF_LE             BIT(3)
+#define PDM_HPF_RE             BIT(2)
+#define PDM_HPF_CF_MSK         (0x3 << 0)
+#define PDM_HPF_3P79HZ         (0x0 << 0)
+#define PDM_HPF_60HZ           (0x1 << 0)
+#define PDM_HPF_243HZ          (0x2 << 0)
+#define PDM_HPF_493HZ          (0x3 << 0)
+
+/* PDM DMA CTRL */
+#define PDM_DMA_RD_MSK         BIT(8)
+#define PDM_DMA_RD_EN          BIT(8)
+#define PDM_DMA_RD_DIS         (0x0 << 8)
+#define PDM_DMA_RDL_MSK                (0x7f << 0)
+#define PDM_DMA_RDL(X)         ((X - 1) << 0)
+
+#endif /* _ROCKCHIP_PDM_H */