summaryrefslogtreecommitdiff
path: root/sound/soc/fsl/fsl_sai.h
blob: dadbd16ee3945768ad4b95adf5902b62d5def483 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright 2012-2013 Freescale Semiconductor, Inc.
 */

#ifndef __FSL_SAI_H
#define __FSL_SAI_H

#include <linux/dma/imx-dma.h>
#include <sound/dmaengine_pcm.h>

#define FSL_SAI_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
			 SNDRV_PCM_FMTBIT_S20_3LE |\
			 SNDRV_PCM_FMTBIT_S24_LE |\
			 SNDRV_PCM_FMTBIT_S32_LE |\
			 SNDRV_PCM_FMTBIT_DSD_U8 |\
			 SNDRV_PCM_FMTBIT_DSD_U16_LE |\
			 SNDRV_PCM_FMTBIT_DSD_U32_LE)

/* SAI Register Map Register */
#define FSL_SAI_VERID	0x00 /* SAI Version ID Register */
#define FSL_SAI_PARAM	0x04 /* SAI Parameter Register */
#define FSL_SAI_TCSR(ofs)	(0x00 + ofs) /* SAI Transmit Control */
#define FSL_SAI_TCR1(ofs)	(0x04 + ofs) /* SAI Transmit Configuration 1 */
#define FSL_SAI_TCR2(ofs)	(0x08 + ofs) /* SAI Transmit Configuration 2 */
#define FSL_SAI_TCR3(ofs)	(0x0c + ofs) /* SAI Transmit Configuration 3 */
#define FSL_SAI_TCR4(ofs)	(0x10 + ofs) /* SAI Transmit Configuration 4 */
#define FSL_SAI_TCR5(ofs)	(0x14 + ofs) /* SAI Transmit Configuration 5 */
#define FSL_SAI_TDR0	0x20 /* SAI Transmit Data 0 */
#define FSL_SAI_TDR1	0x24 /* SAI Transmit Data 1 */
#define FSL_SAI_TDR2	0x28 /* SAI Transmit Data 2 */
#define FSL_SAI_TDR3	0x2C /* SAI Transmit Data 3 */
#define FSL_SAI_TDR4	0x30 /* SAI Transmit Data 4 */
#define FSL_SAI_TDR5	0x34 /* SAI Transmit Data 5 */
#define FSL_SAI_TDR6	0x38 /* SAI Transmit Data 6 */
#define FSL_SAI_TDR7	0x3C /* SAI Transmit Data 7 */
#define FSL_SAI_TFR0	0x40 /* SAI Transmit FIFO 0 */
#define FSL_SAI_TFR1	0x44 /* SAI Transmit FIFO 1 */
#define FSL_SAI_TFR2	0x48 /* SAI Transmit FIFO 2 */
#define FSL_SAI_TFR3	0x4C /* SAI Transmit FIFO 3 */
#define FSL_SAI_TFR4	0x50 /* SAI Transmit FIFO 4 */
#define FSL_SAI_TFR5	0x54 /* SAI Transmit FIFO 5 */
#define FSL_SAI_TFR6	0x58 /* SAI Transmit FIFO 6 */
#define FSL_SAI_TFR7	0x5C /* SAI Transmit FIFO 7 */
#define FSL_SAI_TMR	0x60 /* SAI Transmit Mask */
#define FSL_SAI_TTCTL	0x70 /* SAI Transmit Timestamp Control Register */
#define FSL_SAI_TTCTN	0x74 /* SAI Transmit Timestamp Counter Register */
#define FSL_SAI_TBCTN	0x78 /* SAI Transmit Bit Counter Register */
#define FSL_SAI_TTCAP	0x7C /* SAI Transmit Timestamp Capture */
#define FSL_SAI_RCSR(ofs)	(0x80 + ofs) /* SAI Receive Control */
#define FSL_SAI_RCR1(ofs)	(0x84 + ofs)/* SAI Receive Configuration 1 */
#define FSL_SAI_RCR2(ofs)	(0x88 + ofs) /* SAI Receive Configuration 2 */
#define FSL_SAI_RCR3(ofs)	(0x8c + ofs) /* SAI Receive Configuration 3 */
#define FSL_SAI_RCR4(ofs)	(0x90 + ofs) /* SAI Receive Configuration 4 */
#define FSL_SAI_RCR5(ofs)	(0x94 + ofs) /* SAI Receive Configuration 5 */
#define FSL_SAI_RDR0	0xa0 /* SAI Receive Data 0 */
#define FSL_SAI_RDR1	0xa4 /* SAI Receive Data 1 */
#define FSL_SAI_RDR2	0xa8 /* SAI Receive Data 2 */
#define FSL_SAI_RDR3	0xac /* SAI Receive Data 3 */
#define FSL_SAI_RDR4	0xb0 /* SAI Receive Data 4 */
#define FSL_SAI_RDR5	0xb4 /* SAI Receive Data 5 */
#define FSL_SAI_RDR6	0xb8 /* SAI Receive Data 6 */
#define FSL_SAI_RDR7	0xbc /* SAI Receive Data 7 */
#define FSL_SAI_RFR0	0xc0 /* SAI Receive FIFO 0 */
#define FSL_SAI_RFR1	0xc4 /* SAI Receive FIFO 1 */
#define FSL_SAI_RFR2	0xc8 /* SAI Receive FIFO 2 */
#define FSL_SAI_RFR3	0xcc /* SAI Receive FIFO 3 */
#define FSL_SAI_RFR4	0xd0 /* SAI Receive FIFO 4 */
#define FSL_SAI_RFR5	0xd4 /* SAI Receive FIFO 5 */
#define FSL_SAI_RFR6	0xd8 /* SAI Receive FIFO 6 */
#define FSL_SAI_RFR7	0xdc /* SAI Receive FIFO 7 */
#define FSL_SAI_RMR	0xe0 /* SAI Receive Mask */
#define FSL_SAI_RTCTL	0xf0 /* SAI Receive Timestamp Control Register */
#define FSL_SAI_RTCTN	0xf4 /* SAI Receive Timestamp Counter Register */
#define FSL_SAI_RBCTN	0xf8 /* SAI Receive Bit Counter Register */
#define FSL_SAI_RTCAP	0xfc /* SAI Receive Timestamp Capture */

#define FSL_SAI_MCTL	0x100 /* SAI MCLK Control Register */
#define FSL_SAI_MDIV	0x104 /* SAI MCLK Divide Register */

#define FSL_SAI_xCSR(tx, ofs)	(tx ? FSL_SAI_TCSR(ofs) : FSL_SAI_RCSR(ofs))
#define FSL_SAI_xCR1(tx, ofs)	(tx ? FSL_SAI_TCR1(ofs) : FSL_SAI_RCR1(ofs))
#define FSL_SAI_xCR2(tx, ofs)	(tx ? FSL_SAI_TCR2(ofs) : FSL_SAI_RCR2(ofs))
#define FSL_SAI_xCR3(tx, ofs)	(tx ? FSL_SAI_TCR3(ofs) : FSL_SAI_RCR3(ofs))
#define FSL_SAI_xCR4(tx, ofs)	(tx ? FSL_SAI_TCR4(ofs) : FSL_SAI_RCR4(ofs))
#define FSL_SAI_xCR5(tx, ofs)	(tx ? FSL_SAI_TCR5(ofs) : FSL_SAI_RCR5(ofs))
#define FSL_SAI_xDR0(tx)	(tx ? FSL_SAI_TDR0 : FSL_SAI_RDR0)
#define FSL_SAI_xFR0(tx)	(tx ? FSL_SAI_TFR0 : FSL_SAI_RFR0)
#define FSL_SAI_xMR(tx)		(tx ? FSL_SAI_TMR : FSL_SAI_RMR)

/* SAI Transmit/Receive Control Register */
#define FSL_SAI_CSR_TERE	BIT(31)
#define FSL_SAI_CSR_SE		BIT(30)
#define FSL_SAI_CSR_BCE		BIT(28)
#define FSL_SAI_CSR_FR		BIT(25)
#define FSL_SAI_CSR_SR		BIT(24)
#define FSL_SAI_CSR_xF_SHIFT	16
#define FSL_SAI_CSR_xF_W_SHIFT	18
#define FSL_SAI_CSR_xF_MASK	(0x1f << FSL_SAI_CSR_xF_SHIFT)
#define FSL_SAI_CSR_xF_W_MASK	(0x7 << FSL_SAI_CSR_xF_W_SHIFT)
#define FSL_SAI_CSR_WSF		BIT(20)
#define FSL_SAI_CSR_SEF		BIT(19)
#define FSL_SAI_CSR_FEF		BIT(18)
#define FSL_SAI_CSR_FWF		BIT(17)
#define FSL_SAI_CSR_FRF		BIT(16)
#define FSL_SAI_CSR_xIE_SHIFT	8
#define FSL_SAI_CSR_xIE_MASK	(0x1f << FSL_SAI_CSR_xIE_SHIFT)
#define FSL_SAI_CSR_WSIE	BIT(12)
#define FSL_SAI_CSR_SEIE	BIT(11)
#define FSL_SAI_CSR_FEIE	BIT(10)
#define FSL_SAI_CSR_FWIE	BIT(9)
#define FSL_SAI_CSR_FRIE	BIT(8)
#define FSL_SAI_CSR_FRDE	BIT(0)

/* SAI Transmit and Receive Configuration 1 Register */
#define FSL_SAI_CR1_RFW_MASK(x)	((x) - 1)

/* SAI Transmit and Receive Configuration 2 Register */
#define FSL_SAI_CR2_SYNC	BIT(30)
#define FSL_SAI_CR2_BCI		BIT(28)
#define FSL_SAI_CR2_MSEL_MASK	(0x3 << 26)
#define FSL_SAI_CR2_MSEL_BUS	0
#define FSL_SAI_CR2_MSEL_MCLK1	BIT(26)
#define FSL_SAI_CR2_MSEL_MCLK2	BIT(27)
#define FSL_SAI_CR2_MSEL_MCLK3	(BIT(26) | BIT(27))
#define FSL_SAI_CR2_MSEL(ID)	((ID) << 26)
#define FSL_SAI_CR2_BCP		BIT(25)
#define FSL_SAI_CR2_BCD_MSTR	BIT(24)
#define FSL_SAI_CR2_BYP		BIT(23) /* BCLK bypass */
#define FSL_SAI_CR2_DIV_MASK	0xff

/* SAI Transmit and Receive Configuration 3 Register */
#define FSL_SAI_CR3_TRCE(x)     ((x) << 16)
#define FSL_SAI_CR3_TRCE_MASK	GENMASK(23, 16)
#define FSL_SAI_CR3_WDFL(x)	(x)
#define FSL_SAI_CR3_WDFL_MASK	0x1f

/* SAI Transmit and Receive Configuration 4 Register */

#define FSL_SAI_CR4_FCONT	BIT(28)
#define FSL_SAI_CR4_FCOMB_SHIFT BIT(26)
#define FSL_SAI_CR4_FCOMB_SOFT  BIT(27)
#define FSL_SAI_CR4_FCOMB_MASK  (0x3 << 26)
#define FSL_SAI_CR4_FPACK_8     (0x2 << 24)
#define FSL_SAI_CR4_FPACK_16    (0x3 << 24)
#define FSL_SAI_CR4_FRSZ(x)	(((x) - 1) << 16)
#define FSL_SAI_CR4_FRSZ_MASK	(0x1f << 16)
#define FSL_SAI_CR4_SYWD(x)	(((x) - 1) << 8)
#define FSL_SAI_CR4_SYWD_MASK	(0x1f << 8)
#define FSL_SAI_CR4_CHMOD       BIT(5)
#define FSL_SAI_CR4_CHMOD_MASK  BIT(5)
#define FSL_SAI_CR4_MF		BIT(4)
#define FSL_SAI_CR4_FSE		BIT(3)
#define FSL_SAI_CR4_FSP		BIT(1)
#define FSL_SAI_CR4_FSD_MSTR	BIT(0)

/* SAI Transmit and Receive Configuration 5 Register */
#define FSL_SAI_CR5_WNW(x)	(((x) - 1) << 24)
#define FSL_SAI_CR5_WNW_MASK	(0x1f << 24)
#define FSL_SAI_CR5_W0W(x)	(((x) - 1) << 16)
#define FSL_SAI_CR5_W0W_MASK	(0x1f << 16)
#define FSL_SAI_CR5_FBT(x)	((x) << 8)
#define FSL_SAI_CR5_FBT_MASK	(0x1f << 8)

/* SAI MCLK Control Register */
#define FSL_SAI_MCTL_MCLK_EN	BIT(30)	/* MCLK Enable */
#define FSL_SAI_MCTL_MSEL_MASK	(0x3 << 24)
#define FSL_SAI_MCTL_MSEL(ID)   ((ID) << 24)
#define FSL_SAI_MCTL_MSEL_BUS	0
#define FSL_SAI_MCTL_MSEL_MCLK1	BIT(24)
#define FSL_SAI_MCTL_MSEL_MCLK2	BIT(25)
#define FSL_SAI_MCTL_MSEL_MCLK3	(BIT(24) | BIT(25))
#define FSL_SAI_MCTL_DIV_EN	BIT(23)
#define FSL_SAI_MCTL_DIV_MASK	0xFF

/* SAI VERID Register */
#define FSL_SAI_VERID_MAJOR_SHIFT   24
#define FSL_SAI_VERID_MAJOR_MASK    GENMASK(31, 24)
#define FSL_SAI_VERID_MINOR_SHIFT   16
#define FSL_SAI_VERID_MINOR_MASK    GENMASK(23, 16)
#define FSL_SAI_VERID_FEATURE_SHIFT 0
#define FSL_SAI_VERID_FEATURE_MASK  GENMASK(15, 0)
#define FSL_SAI_VERID_EFIFO_EN	    BIT(0)
#define FSL_SAI_VERID_TSTMP_EN	    BIT(1)

/* SAI PARAM Register */
#define FSL_SAI_PARAM_SPF_SHIFT	    16
#define FSL_SAI_PARAM_SPF_MASK	    GENMASK(19, 16)
#define FSL_SAI_PARAM_WPF_SHIFT	    8
#define FSL_SAI_PARAM_WPF_MASK	    GENMASK(11, 8)
#define FSL_SAI_PARAM_DLN_MASK	    GENMASK(3, 0)

/* SAI MCLK Divide Register */
#define FSL_SAI_MDIV_MASK	    0xFFFFF

/* SAI timestamp and bitcounter */
#define FSL_SAI_xTCTL_TSEN         BIT(0)
#define FSL_SAI_xTCTL_TSINC        BIT(1)
#define FSL_SAI_xTCTL_RTSC         BIT(8)
#define FSL_SAI_xTCTL_RBC          BIT(9)

/* SAI type */
#define FSL_SAI_DMA		BIT(0)
#define FSL_SAI_USE_AC97	BIT(1)
#define FSL_SAI_NET		BIT(2)
#define FSL_SAI_TRA_SYN		BIT(3)
#define FSL_SAI_REC_SYN		BIT(4)
#define FSL_SAI_USE_I2S_SLAVE	BIT(5)

/* SAI clock sources */
#define FSL_SAI_CLK_BUS		0
#define FSL_SAI_CLK_MAST1	1
#define FSL_SAI_CLK_MAST2	2
#define FSL_SAI_CLK_MAST3	3

#define FSL_SAI_MCLK_MAX	4

/* SAI data transfer numbers per DMA request */
#define FSL_SAI_MAXBURST_TX 6
#define FSL_SAI_MAXBURST_RX 6

#define PMQOS_CPU_LATENCY   BIT(0)

/* Max number of dataline */
#define FSL_SAI_DL_NUM		(8)
/* default dataline type is zero */
#define FSL_SAI_DL_DEFAULT	(0)
#define FSL_SAI_DL_I2S		BIT(0)
#define FSL_SAI_DL_PDM		BIT(1)

struct fsl_sai_soc_data {
	bool use_imx_pcm;
	bool use_edma;
	bool mclk0_is_mclk1;
	bool mclk_with_tere;
	unsigned int fifo_depth;
	unsigned int pins;
	unsigned int reg_offset;
	unsigned int flags;
	unsigned int max_register;
	unsigned int max_burst[2];
};

/**
 * struct fsl_sai_verid - version id data
 * @version: version number
 * @feature: feature specification number
 *           0000000000000000b - Standard feature set
 *           0000000000000000b - Standard feature set
 */
struct fsl_sai_verid {
	u32 version;
	u32 feature;
};

/**
 * struct fsl_sai_param - parameter data
 * @slot_num: The maximum number of slots per frame
 * @fifo_depth: The number of words in each FIFO (depth)
 * @dataline: The number of datalines implemented
 */
struct fsl_sai_param {
	u32 slot_num;
	u32 fifo_depth;
	u32 dataline;
};

struct fsl_sai_dl_cfg {
	unsigned int type;
	unsigned int pins[2];
	unsigned int mask[2];
	unsigned int start_off[2];
	unsigned int next_off[2];
};

struct fsl_sai {
	struct platform_device *pdev;
	struct regmap *regmap;
	struct clk *bus_clk;
	struct clk *mclk_clk[FSL_SAI_MCLK_MAX];
	struct clk *pll8k_clk;
	struct clk *pll11k_clk;
	struct resource *res;

	bool is_consumer_mode[2];
	bool is_lsb_first;
	bool is_dsp_mode;
	bool is_pdm_mode;
	bool is_multi_fifo_dma;
	bool synchronous[2];
	struct fsl_sai_dl_cfg *dl_cfg;
	unsigned int dl_cfg_cnt;
	bool mclk_direction_output;

	unsigned int mclk_id[2];
	unsigned int mclk_streams;
	unsigned int slots;
	unsigned int slot_width;
	unsigned int bclk_ratio;

	const struct fsl_sai_soc_data *soc_data;
	struct snd_soc_dai_driver cpu_dai_drv[3];
	struct snd_dmaengine_dai_dma_data dma_params_rx;
	struct snd_dmaengine_dai_dma_data dma_params_tx;
	struct fsl_sai_verid verid;
	struct fsl_sai_param param;
	struct pm_qos_request pm_qos_req;
	struct pinctrl *pinctrl;
	struct pinctrl_state *pins_state;
	struct sdma_peripheral_config audio_config[2];
};

#define TX 1
#define RX 0

#endif /* __FSL_SAI_H */