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Diffstat (limited to 'sound/soc/tegra/tegra20_ac97.h')
-rw-r--r--sound/soc/tegra/tegra20_ac97.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra20_ac97.h b/sound/soc/tegra/tegra20_ac97.h
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+++ b/sound/soc/tegra/tegra20_ac97.h
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+/*
+ * tegra20_ac97.h - Definitions for the Tegra20 AC97 controller driver
+ *
+ * Copyright (c) 2012 Lucas Stach <dev@lynxeye.de>
+ *
+ * Partly based on code copyright/by:
+ *
+ * Copyright (c) 2011,2012 Toradex Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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 __TEGRA20_AC97_H__
+#define __TEGRA20_AC97_H__
+
+#include "tegra_pcm.h"
+
+#define TEGRA20_AC97_CTRL 0x00
+#define TEGRA20_AC97_CMD 0x04
+#define TEGRA20_AC97_STATUS1 0x08
+/* ... */
+#define TEGRA20_AC97_FIFO1_SCR 0x1c
+/* ... */
+#define TEGRA20_AC97_FIFO_TX1 0x40
+#define TEGRA20_AC97_FIFO_RX1 0x80
+
+/* TEGRA20_AC97_CTRL */
+#define TEGRA20_AC97_CTRL_STM2_EN (1 << 16)
+#define TEGRA20_AC97_CTRL_DOUBLE_SAMPLING_EN (1 << 11)
+#define TEGRA20_AC97_CTRL_IO_CNTRL_EN (1 << 10)
+#define TEGRA20_AC97_CTRL_HSET_DAC_EN (1 << 9)
+#define TEGRA20_AC97_CTRL_LINE2_DAC_EN (1 << 8)
+#define TEGRA20_AC97_CTRL_PCM_LFE_EN (1 << 7)
+#define TEGRA20_AC97_CTRL_PCM_SUR_EN (1 << 6)
+#define TEGRA20_AC97_CTRL_PCM_CEN_DAC_EN (1 << 5)
+#define TEGRA20_AC97_CTRL_LINE1_DAC_EN (1 << 4)
+#define TEGRA20_AC97_CTRL_PCM_DAC_EN (1 << 3)
+#define TEGRA20_AC97_CTRL_COLD_RESET (1 << 2)
+#define TEGRA20_AC97_CTRL_WARM_RESET (1 << 1)
+#define TEGRA20_AC97_CTRL_STM_EN (1 << 0)
+
+/* TEGRA20_AC97_CMD */
+#define TEGRA20_AC97_CMD_CMD_ADDR_SHIFT 24
+#define TEGRA20_AC97_CMD_CMD_ADDR_MASK (0xff << TEGRA20_AC97_CMD_CMD_ADDR_SHIFT)
+#define TEGRA20_AC97_CMD_CMD_DATA_SHIFT 8
+#define TEGRA20_AC97_CMD_CMD_DATA_MASK (0xffff << TEGRA20_AC97_CMD_CMD_DATA_SHIFT)
+#define TEGRA20_AC97_CMD_CMD_ID_SHIFT 2
+#define TEGRA20_AC97_CMD_CMD_ID_MASK (0x3 << TEGRA20_AC97_CMD_CMD_ID_SHIFT)
+#define TEGRA20_AC97_CMD_BUSY (1 << 0)
+
+/* TEGRA20_AC97_STATUS1 */
+#define TEGRA20_AC97_STATUS1_STA_ADDR1_SHIFT 24
+#define TEGRA20_AC97_STATUS1_STA_ADDR1_MASK (0xff << TEGRA20_AC97_STATUS1_STA_ADDR1_SHIFT)
+#define TEGRA20_AC97_STATUS1_STA_DATA1_SHIFT 8
+#define TEGRA20_AC97_STATUS1_STA_DATA1_MASK (0xffff << TEGRA20_AC97_STATUS1_STA_DATA1_SHIFT)
+#define TEGRA20_AC97_STATUS1_STA_VALID1 (1 << 2)
+#define TEGRA20_AC97_STATUS1_STANDBY1 (1 << 1)
+#define TEGRA20_AC97_STATUS1_CODEC1_RDY (1 << 0)
+
+/* TEGRA20_AC97_FIFO1_SCR */
+#define TEGRA20_AC97_FIFO_SCR_REC_MT_CNT_SHIFT 27
+#define TEGRA20_AC97_FIFO_SCR_REC_MT_CNT_MASK (0x1f << TEGRA20_AC97_FIFO_SCR_REC_MT_CNT_SHIFT)
+#define TEGRA20_AC97_FIFO_SCR_PB_MT_CNT_SHIFT 22
+#define TEGRA20_AC97_FIFO_SCR_PB_MT_CNT_MASK (0x1f << TEGRA20_AC97_FIFO_SCR_PB_MT_CNT_SHIFT)
+#define TEGRA20_AC97_FIFO_SCR_REC_OVERRUN_INT_STA (1 << 19)
+#define TEGRA20_AC97_FIFO_SCR_PB_UNDERRUN_INT_STA (1 << 18)
+#define TEGRA20_AC97_FIFO_SCR_REC_FORCE_MT (1 << 17)
+#define TEGRA20_AC97_FIFO_SCR_PB_FORCE_MT (1 << 16)
+#define TEGRA20_AC97_FIFO_SCR_REC_FULL_EN (1 << 15)
+#define TEGRA20_AC97_FIFO_SCR_REC_3QRT_FULL_EN (1 << 14)
+#define TEGRA20_AC97_FIFO_SCR_REC_QRT_FULL_EN (1 << 13)
+#define TEGRA20_AC97_FIFO_SCR_REC_EMPTY_EN (1 << 12)
+#define TEGRA20_AC97_FIFO_SCR_PB_NOT_FULL_EN (1 << 11)
+#define TEGRA20_AC97_FIFO_SCR_PB_QRT_MT_EN (1 << 10)
+#define TEGRA20_AC97_FIFO_SCR_PB_3QRT_MT_EN (1 << 9)
+#define TEGRA20_AC97_FIFO_SCR_PB_EMPTY_MT_EN (1 << 8)
+
+struct tegra20_ac97 {
+ struct clk *clk_ac97;
+ struct tegra_pcm_dma_params capture_dma_data;
+ struct tegra_pcm_dma_params playback_dma_data;
+ struct regmap *regmap;
+ int reset_gpio;
+ int sync_gpio;
+ struct tegra_asoc_utils_data util_data;
+};
+#endif /* __TEGRA20_AC97_H__ */