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7#ifndef _MESON_AXG_FIFO_H
8#define _MESON_AXG_FIFO_H
9
10struct clk;
11struct platform_device;
12struct reg_field;
13struct regmap;
14struct regmap_field;
15struct reset_control;
16
17struct snd_soc_component_driver;
18struct snd_soc_dai;
19struct snd_soc_dai_driver;
20
21struct snd_soc_pcm_runtime;
22
23#define AXG_FIFO_CH_MAX 128
24#define AXG_FIFO_RATES (SNDRV_PCM_RATE_5512 | \
25 SNDRV_PCM_RATE_8000_192000)
26#define AXG_FIFO_FORMATS (SNDRV_PCM_FMTBIT_S8 | \
27 SNDRV_PCM_FMTBIT_S16_LE | \
28 SNDRV_PCM_FMTBIT_S20_LE | \
29 SNDRV_PCM_FMTBIT_S24_LE | \
30 SNDRV_PCM_FMTBIT_S32_LE | \
31 SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
32
33#define AXG_FIFO_BURST 8
34
35#define FIFO_INT_ADDR_FINISH BIT(0)
36#define FIFO_INT_ADDR_INT BIT(1)
37#define FIFO_INT_COUNT_REPEAT BIT(2)
38#define FIFO_INT_COUNT_ONCE BIT(3)
39#define FIFO_INT_FIFO_ZERO BIT(4)
40#define FIFO_INT_FIFO_DEPTH BIT(5)
41#define FIFO_INT_MASK GENMASK(7, 0)
42
43#define FIFO_CTRL0 0x00
44#define CTRL0_DMA_EN BIT(31)
45#define CTRL0_INT_EN(x) ((x) << 16)
46#define CTRL0_SEL_MASK GENMASK(2, 0)
47#define CTRL0_SEL_SHIFT 0
48#define FIFO_CTRL1 0x04
49#define CTRL1_INT_CLR(x) ((x) << 0)
50#define CTRL1_STATUS2_SEL_MASK GENMASK(11, 8)
51#define CTRL1_STATUS2_SEL(x) ((x) << 8)
52#define STATUS2_SEL_DDR_READ 0
53#define CTRL1_FRDDR_DEPTH_MASK GENMASK(31, 24)
54#define CTRL1_FRDDR_DEPTH(x) ((x) << 24)
55#define FIFO_START_ADDR 0x08
56#define FIFO_FINISH_ADDR 0x0c
57#define FIFO_INT_ADDR 0x10
58#define FIFO_STATUS1 0x14
59#define STATUS1_INT_STS(x) ((x) << 0)
60#define FIFO_STATUS2 0x18
61#define FIFO_INIT_ADDR 0x24
62#define FIFO_CTRL2 0x28
63
64struct axg_fifo {
65 struct regmap *map;
66 struct clk *pclk;
67 struct reset_control *arb;
68 struct regmap_field *field_threshold;
69 unsigned int depth;
70 int irq;
71};
72
73struct axg_fifo_match_data {
74 const struct snd_soc_component_driver *component_drv;
75 struct snd_soc_dai_driver *dai_drv;
76 struct reg_field field_threshold;
77};
78
79int axg_fifo_pcm_open(struct snd_soc_component *component,
80 struct snd_pcm_substream *ss);
81int axg_fifo_pcm_close(struct snd_soc_component *component,
82 struct snd_pcm_substream *ss);
83int axg_fifo_pcm_hw_params(struct snd_soc_component *component,
84 struct snd_pcm_substream *ss,
85 struct snd_pcm_hw_params *params);
86int g12a_fifo_pcm_hw_params(struct snd_soc_component *component,
87 struct snd_pcm_substream *ss,
88 struct snd_pcm_hw_params *params);
89int axg_fifo_pcm_hw_free(struct snd_soc_component *component,
90 struct snd_pcm_substream *ss);
91snd_pcm_uframes_t axg_fifo_pcm_pointer(struct snd_soc_component *component,
92 struct snd_pcm_substream *ss);
93int axg_fifo_pcm_trigger(struct snd_soc_component *component,
94 struct snd_pcm_substream *ss, int cmd);
95
96int axg_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd, unsigned int type);
97int axg_fifo_probe(struct platform_device *pdev);
98
99#endif
100
