// SPDX-License-Identifier: GPL-2.0-or-later
// linux/sound/soc/bcm/bcm63xx-i2s.h
// Copyright (c) 2020 Broadcom Corporation
// Author: Kevin-Ke Li <[email protected]>
#ifndef __BCM63XX_I2S_H
#define __BCM63XX_I2S_H
#define I2S_DESC_FIFO_DEPTH 8
#define I2S_MISC_CFG (0x003C)
#define I2S_PAD_LVL_LOOP_DIS_MASK (1 << 2)
#define I2S_PAD_LVL_LOOP_DIS_ENABLE I2S_PAD_LVL_LOOP_DIS_MASK
#define I2S_TX_ENABLE_MASK (1 << 31)
#define I2S_TX_ENABLE I2S_TX_ENABLE_MASK
#define I2S_TX_OUT_R (1 << 19)
#define I2S_TX_DATA_ALIGNMENT (1 << 2)
#define I2S_TX_DATA_ENABLE (1 << 1)
#define I2S_TX_CLOCK_ENABLE (1 << 0)
#define I2S_TX_DESC_OFF_LEVEL_SHIFT 12
#define I2S_TX_DESC_OFF_LEVEL_MASK (0x0F << I2S_TX_DESC_OFF_LEVEL_SHIFT)
#define I2S_TX_DESC_IFF_LEVEL_SHIFT 8
#define I2S_TX_DESC_IFF_LEVEL_MASK (0x0F << I2S_TX_DESC_IFF_LEVEL_SHIFT)
#define I2S_TX_DESC_OFF_INTR_EN_MSK (1 << 1)
#define I2S_TX_DESC_OFF_INTR_EN I2S_TX_DESC_OFF_INTR_EN_MSK
#define I2S_TX_CFG (0x0000)
#define I2S_TX_IRQ_CTL (0x0004)
#define I2S_TX_IRQ_EN (0x0008)
#define I2S_TX_IRQ_IFF_THLD (0x000c)
#define I2S_TX_IRQ_OFF_THLD (0x0010)
#define I2S_TX_DESC_IFF_ADDR (0x0014)
#define I2S_TX_DESC_IFF_LEN (0x0018)
#define I2S_TX_DESC_OFF_ADDR (0x001C)
#define I2S_TX_DESC_OFF_LEN (0x0020)
#define I2S_TX_CFG_2 (0x0024)
#define I2S_TX_SLAVE_MODE_SHIFT 13
#define I2S_TX_SLAVE_MODE_MASK (1 << I2S_TX_SLAVE_MODE_SHIFT)
#define I2S_TX_SLAVE_MODE I2S_TX_SLAVE_MODE_MASK
#define I2S_TX_MASTER_MODE 0
#define I2S_TX_INTR_MASK 0x0F
#define I2S_RX_ENABLE_MASK (1 << 31)
#define I2S_RX_ENABLE I2S_RX_ENABLE_MASK
#define I2S_RX_IN_R (1 << 19)
#define I2S_RX_DATA_ALIGNMENT (1 << 2)
#define I2S_RX_CLOCK_ENABLE (1 << 0)
#define I2S_RX_DESC_OFF_LEVEL_SHIFT 12
#define I2S_RX_DESC_OFF_LEVEL_MASK (0x0F << I2S_RX_DESC_OFF_LEVEL_SHIFT)
#define I2S_RX_DESC_IFF_LEVEL_SHIFT 8
#define I2S_RX_DESC_IFF_LEVEL_MASK (0x0F << I2S_RX_DESC_IFF_LEVEL_SHIFT)
#define I2S_RX_DESC_OFF_INTR_EN_MSK (1 << 1)
#define I2S_RX_DESC_OFF_INTR_EN I2S_RX_DESC_OFF_INTR_EN_MSK
#define I2S_RX_CFG (0x0040) /* 20c0 */
#define I2S_RX_IRQ_CTL (0x0044)
#define I2S_RX_IRQ_EN (0x0048)
#define I2S_RX_IRQ_IFF_THLD (0x004C)
#define I2S_RX_IRQ_OFF_THLD (0x0050)
#define I2S_RX_DESC_IFF_ADDR (0x0054)
#define I2S_RX_DESC_IFF_LEN (0x0058)
#define I2S_RX_DESC_OFF_ADDR (0x005C)
#define I2S_RX_DESC_OFF_LEN (0x0060)
#define I2S_RX_CFG_2 (0x0064)
#define I2S_RX_SLAVE_MODE_SHIFT 13
#define I2S_RX_SLAVE_MODE_MASK (1 << I2S_RX_SLAVE_MODE_SHIFT)
#define I2S_RX_SLAVE_MODE I2S_RX_SLAVE_MODE_MASK
#define I2S_RX_MASTER_MODE 0
#define I2S_RX_INTR_MASK 0x0F
#define I2S_REG_MAX 0x007C
struct bcm_i2s_priv {
struct device *dev;
struct regmap *regmap_i2s;
struct clk *i2s_clk;
struct snd_pcm_substream *play_substream;
struct snd_pcm_substream *capture_substream;
struct i2s_dma_desc *play_dma_desc;
struct i2s_dma_desc *capture_dma_desc;
};
extern int bcm63xx_soc_platform_probe(struct platform_device *pdev,
struct bcm_i2s_priv *i2s_priv);
extern int bcm63xx_soc_platform_remove(struct platform_device *pdev);
#endif
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