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-rw-r--r--sound/soc/tegra/tegra210_amx.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra210_amx.h b/sound/soc/tegra/tegra210_amx.h
new file mode 100644
index 000000000..e277741e4
--- /dev/null
+++ b/sound/soc/tegra/tegra210_amx.h
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * tegra210_amx.h - Definitions for Tegra210 AMX driver
+ *
+ * Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
+ *
+ */
+
+#ifndef __TEGRA210_AMX_H__
+#define __TEGRA210_AMX_H__
+
+/* Register offsets from TEGRA210_AMX*_BASE */
+#define TEGRA210_AMX_RX_STATUS 0x0c
+#define TEGRA210_AMX_RX_INT_STATUS 0x10
+#define TEGRA210_AMX_RX_INT_MASK 0x14
+#define TEGRA210_AMX_RX_INT_SET 0x18
+#define TEGRA210_AMX_RX_INT_CLEAR 0x1c
+#define TEGRA210_AMX_RX1_CIF_CTRL 0x20
+#define TEGRA210_AMX_RX2_CIF_CTRL 0x24
+#define TEGRA210_AMX_RX3_CIF_CTRL 0x28
+#define TEGRA210_AMX_RX4_CIF_CTRL 0x2c
+#define TEGRA210_AMX_TX_STATUS 0x4c
+#define TEGRA210_AMX_TX_INT_STATUS 0x50
+#define TEGRA210_AMX_TX_INT_MASK 0x54
+#define TEGRA210_AMX_TX_INT_SET 0x58
+#define TEGRA210_AMX_TX_INT_CLEAR 0x5c
+#define TEGRA210_AMX_TX_CIF_CTRL 0x60
+#define TEGRA210_AMX_ENABLE 0x80
+#define TEGRA210_AMX_SOFT_RESET 0x84
+#define TEGRA210_AMX_CG 0x88
+#define TEGRA210_AMX_STATUS 0x8c
+#define TEGRA210_AMX_INT_STATUS 0x90
+#define TEGRA210_AMX_CTRL 0xa4
+#define TEGRA210_AMX_OUT_BYTE_EN0 0xa8
+#define TEGRA210_AMX_OUT_BYTE_EN1 0xac
+#define TEGRA210_AMX_CYA 0xb0
+#define TEGRA210_AMX_CFG_RAM_CTRL 0xb8
+#define TEGRA210_AMX_CFG_RAM_DATA 0xbc
+
+#define TEGRA194_AMX_RX1_FRAME_PERIOD 0xc0
+#define TEGRA194_AMX_RX4_FRAME_PERIOD 0xcc
+#define TEGRA194_AMX_RX4_LAST_FRAME_PERIOD 0xdc
+
+/* Fields in TEGRA210_AMX_ENABLE */
+#define TEGRA210_AMX_ENABLE_SHIFT 0
+
+/* Fields in TEGRA210_AMX_CTRL */
+#define TEGRA210_AMX_CTRL_MSTR_RX_NUM_SHIFT 14
+#define TEGRA210_AMX_CTRL_MSTR_RX_NUM_MASK (3 << TEGRA210_AMX_CTRL_MSTR_RX_NUM_SHIFT)
+
+#define TEGRA210_AMX_CTRL_RX_DEP_SHIFT 12
+#define TEGRA210_AMX_CTRL_RX_DEP_MASK (3 << TEGRA210_AMX_CTRL_RX_DEP_SHIFT)
+
+/* Fields in TEGRA210_AMX_CFG_RAM_CTRL */
+#define TEGRA210_AMX_CFG_RAM_CTRL_RW_SHIFT 14
+#define TEGRA210_AMX_CFG_RAM_CTRL_RW_WRITE (1 << TEGRA210_AMX_CFG_RAM_CTRL_RW_SHIFT)
+
+#define TEGRA210_AMX_CFG_RAM_CTRL_ADDR_INIT_EN_SHIFT 13
+#define TEGRA210_AMX_CFG_RAM_CTRL_ADDR_INIT_EN (1 << TEGRA210_AMX_CFG_RAM_CTRL_ADDR_INIT_EN_SHIFT)
+
+#define TEGRA210_AMX_CFG_RAM_CTRL_SEQ_ACCESS_EN_SHIFT 12
+#define TEGRA210_AMX_CFG_RAM_CTRL_SEQ_ACCESS_EN (1 << TEGRA210_AMX_CFG_RAM_CTRL_SEQ_ACCESS_EN_SHIFT)
+
+#define TEGRA210_AMX_CFG_CTRL_RAM_ADDR_SHIFT 0
+
+/* Fields in TEGRA210_AMX_SOFT_RESET */
+#define TEGRA210_AMX_SOFT_RESET_SOFT_EN 1
+#define TEGRA210_AMX_SOFT_RESET_SOFT_RESET_MASK TEGRA210_AMX_SOFT_RESET_SOFT_EN
+
+#define TEGRA210_AMX_AUDIOCIF_CH_STRIDE 4
+#define TEGRA210_AMX_RAM_DEPTH 16
+#define TEGRA210_AMX_MAP_STREAM_NUM_SHIFT 6
+#define TEGRA210_AMX_MAP_WORD_NUM_SHIFT 2
+#define TEGRA210_AMX_MAP_BYTE_NUM_SHIFT 0
+
+enum {
+ TEGRA210_AMX_WAIT_ON_ALL,
+ TEGRA210_AMX_WAIT_ON_ANY,
+};
+
+struct tegra210_amx_soc_data {
+ const struct regmap_config *regmap_conf;
+ bool auto_disable;
+};
+
+struct tegra210_amx {
+ const struct tegra210_amx_soc_data *soc_data;
+ unsigned int map[TEGRA210_AMX_RAM_DEPTH];
+ struct regmap *regmap;
+ unsigned int byte_mask[2];
+};
+
+#endif