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5033f43c | 1 | /* sound/soc/samsung/i2s.c |
1c7ac018 JB |
2 | * |
3 | * ALSA SoC Audio Layer - Samsung I2S Controller driver | |
4 | * | |
5 | * Copyright (c) 2010 Samsung Electronics Co. Ltd. | |
df8ad335 | 6 | * Jaswinder Singh <jassisinghbrar@gmail.com> |
1c7ac018 JB |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
074b89bb | 13 | #include <dt-bindings/sound/samsung-i2s.h> |
1c7ac018 JB |
14 | #include <linux/delay.h> |
15 | #include <linux/slab.h> | |
16 | #include <linux/clk.h> | |
074b89bb | 17 | #include <linux/clk-provider.h> |
1c7ac018 | 18 | #include <linux/io.h> |
da155d5b | 19 | #include <linux/module.h> |
40476f61 PV |
20 | #include <linux/of.h> |
21 | #include <linux/of_gpio.h> | |
c5cf4dbc | 22 | #include <linux/pm_runtime.h> |
1c7ac018 | 23 | |
1c7ac018 | 24 | #include <sound/soc.h> |
0378b6ac | 25 | #include <sound/pcm_params.h> |
1c7ac018 | 26 | |
436d42c6 | 27 | #include <linux/platform_data/asoc-s3c.h> |
1c7ac018 JB |
28 | |
29 | #include "dma.h" | |
61100f40 | 30 | #include "idma.h" |
1c7ac018 | 31 | #include "i2s.h" |
172a453d | 32 | #include "i2s-regs.h" |
1c7ac018 JB |
33 | |
34 | #define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t) | |
35 | ||
7c62eebb PV |
36 | enum samsung_dai_type { |
37 | TYPE_PRI, | |
38 | TYPE_SEC, | |
39 | }; | |
40 | ||
a5a56871 PV |
41 | struct samsung_i2s_variant_regs { |
42 | unsigned int bfs_off; | |
43 | unsigned int rfs_off; | |
44 | unsigned int sdf_off; | |
45 | unsigned int txr_off; | |
46 | unsigned int rclksrc_off; | |
47 | unsigned int mss_off; | |
48 | unsigned int cdclkcon_off; | |
49 | unsigned int lrp_off; | |
50 | unsigned int bfs_mask; | |
51 | unsigned int rfs_mask; | |
52 | unsigned int ftx0cnt_off; | |
53 | }; | |
54 | ||
40476f61 PV |
55 | struct samsung_i2s_dai_data { |
56 | int dai_type; | |
7da493e9 | 57 | u32 quirks; |
a5a56871 | 58 | const struct samsung_i2s_variant_regs *i2s_variant_regs; |
40476f61 PV |
59 | }; |
60 | ||
1c7ac018 JB |
61 | struct i2s_dai { |
62 | /* Platform device for this DAI */ | |
63 | struct platform_device *pdev; | |
af1cf5cf | 64 | /* Memory mapped SFR region */ |
1c7ac018 | 65 | void __iomem *addr; |
1c7ac018 JB |
66 | /* Rate of RCLK source clock */ |
67 | unsigned long rclk_srcrate; | |
68 | /* Frame Clock */ | |
69 | unsigned frmclk; | |
70 | /* | |
71 | * Specifically requested RCLK,BCLK by MACHINE Driver. | |
72 | * 0 indicates CPU driver is free to choose any value. | |
73 | */ | |
74 | unsigned rfs, bfs; | |
75 | /* I2S Controller's core clock */ | |
76 | struct clk *clk; | |
77 | /* Clock for generating I2S signals */ | |
78 | struct clk *op_clk; | |
1c7ac018 JB |
79 | /* Pointer to the Primary_Fifo if this is Sec_Fifo, NULL otherwise */ |
80 | struct i2s_dai *pri_dai; | |
81 | /* Pointer to the Secondary_Fifo if it has one, NULL otherwise */ | |
82 | struct i2s_dai *sec_dai; | |
83 | #define DAI_OPENED (1 << 0) /* Dai is opened */ | |
84 | #define DAI_MANAGER (1 << 1) /* Dai is the manager */ | |
85 | unsigned mode; | |
86 | /* Driver for this DAI */ | |
87 | struct snd_soc_dai_driver i2s_dai_drv; | |
88 | /* DMA parameters */ | |
89 | struct s3c_dma_params dma_playback; | |
90 | struct s3c_dma_params dma_capture; | |
61100f40 | 91 | struct s3c_dma_params idma_playback; |
9bdca822 | 92 | dma_filter_fn filter; |
1c7ac018 JB |
93 | u32 quirks; |
94 | u32 suspend_i2smod; | |
95 | u32 suspend_i2scon; | |
96 | u32 suspend_i2spsr; | |
a5a56871 | 97 | const struct samsung_i2s_variant_regs *variant_regs; |
f3670536 SN |
98 | |
99 | /* Spinlock protecting access to the device's registers */ | |
100 | spinlock_t spinlock; | |
101 | spinlock_t *lock; | |
074b89bb SN |
102 | |
103 | /* Below fields are only valid if this is the primary FIFO */ | |
104 | struct clk *clk_table[3]; | |
105 | struct clk_onecell_data clk_data; | |
1c7ac018 JB |
106 | }; |
107 | ||
108 | /* Lock for cross i/f checks */ | |
109 | static DEFINE_SPINLOCK(lock); | |
110 | ||
111 | /* If this is the 'overlay' stereo DAI */ | |
112 | static inline bool is_secondary(struct i2s_dai *i2s) | |
113 | { | |
114 | return i2s->pri_dai ? true : false; | |
115 | } | |
116 | ||
117 | /* If operating in SoC-Slave mode */ | |
118 | static inline bool is_slave(struct i2s_dai *i2s) | |
119 | { | |
a5a56871 PV |
120 | u32 mod = readl(i2s->addr + I2SMOD); |
121 | return (mod & (1 << i2s->variant_regs->mss_off)) ? true : false; | |
1c7ac018 JB |
122 | } |
123 | ||
124 | /* If this interface of the controller is transmitting data */ | |
125 | static inline bool tx_active(struct i2s_dai *i2s) | |
126 | { | |
127 | u32 active; | |
128 | ||
129 | if (!i2s) | |
130 | return false; | |
131 | ||
33195500 | 132 | active = readl(i2s->addr + I2SCON); |
1c7ac018 JB |
133 | |
134 | if (is_secondary(i2s)) | |
135 | active &= CON_TXSDMA_ACTIVE; | |
136 | else | |
137 | active &= CON_TXDMA_ACTIVE; | |
138 | ||
139 | return active ? true : false; | |
140 | } | |
141 | ||
dcd60fc3 SN |
142 | /* Return pointer to the other DAI */ |
143 | static inline struct i2s_dai *get_other_dai(struct i2s_dai *i2s) | |
144 | { | |
145 | return i2s->pri_dai ? : i2s->sec_dai; | |
146 | } | |
147 | ||
1c7ac018 JB |
148 | /* If the other interface of the controller is transmitting data */ |
149 | static inline bool other_tx_active(struct i2s_dai *i2s) | |
150 | { | |
dcd60fc3 | 151 | struct i2s_dai *other = get_other_dai(i2s); |
1c7ac018 JB |
152 | |
153 | return tx_active(other); | |
154 | } | |
155 | ||
156 | /* If any interface of the controller is transmitting data */ | |
157 | static inline bool any_tx_active(struct i2s_dai *i2s) | |
158 | { | |
159 | return tx_active(i2s) || other_tx_active(i2s); | |
160 | } | |
161 | ||
162 | /* If this interface of the controller is receiving data */ | |
163 | static inline bool rx_active(struct i2s_dai *i2s) | |
164 | { | |
165 | u32 active; | |
166 | ||
167 | if (!i2s) | |
168 | return false; | |
169 | ||
33195500 | 170 | active = readl(i2s->addr + I2SCON) & CON_RXDMA_ACTIVE; |
1c7ac018 JB |
171 | |
172 | return active ? true : false; | |
173 | } | |
174 | ||
175 | /* If the other interface of the controller is receiving data */ | |
176 | static inline bool other_rx_active(struct i2s_dai *i2s) | |
177 | { | |
dcd60fc3 | 178 | struct i2s_dai *other = get_other_dai(i2s); |
1c7ac018 JB |
179 | |
180 | return rx_active(other); | |
181 | } | |
182 | ||
183 | /* If any interface of the controller is receiving data */ | |
184 | static inline bool any_rx_active(struct i2s_dai *i2s) | |
185 | { | |
186 | return rx_active(i2s) || other_rx_active(i2s); | |
187 | } | |
188 | ||
189 | /* If the other DAI is transmitting or receiving data */ | |
190 | static inline bool other_active(struct i2s_dai *i2s) | |
191 | { | |
192 | return other_rx_active(i2s) || other_tx_active(i2s); | |
193 | } | |
194 | ||
195 | /* If this DAI is transmitting or receiving data */ | |
196 | static inline bool this_active(struct i2s_dai *i2s) | |
197 | { | |
198 | return tx_active(i2s) || rx_active(i2s); | |
199 | } | |
200 | ||
201 | /* If the controller is active anyway */ | |
202 | static inline bool any_active(struct i2s_dai *i2s) | |
203 | { | |
204 | return this_active(i2s) || other_active(i2s); | |
205 | } | |
206 | ||
207 | static inline struct i2s_dai *to_info(struct snd_soc_dai *dai) | |
208 | { | |
209 | return snd_soc_dai_get_drvdata(dai); | |
210 | } | |
211 | ||
212 | static inline bool is_opened(struct i2s_dai *i2s) | |
213 | { | |
214 | if (i2s && (i2s->mode & DAI_OPENED)) | |
215 | return true; | |
216 | else | |
217 | return false; | |
218 | } | |
219 | ||
220 | static inline bool is_manager(struct i2s_dai *i2s) | |
221 | { | |
222 | if (is_opened(i2s) && (i2s->mode & DAI_MANAGER)) | |
223 | return true; | |
224 | else | |
225 | return false; | |
226 | } | |
227 | ||
228 | /* Read RCLK of I2S (in multiples of LRCLK) */ | |
229 | static inline unsigned get_rfs(struct i2s_dai *i2s) | |
230 | { | |
4ca0c0d4 | 231 | u32 rfs; |
a5a56871 PV |
232 | rfs = readl(i2s->addr + I2SMOD) >> i2s->variant_regs->rfs_off; |
233 | rfs &= i2s->variant_regs->rfs_mask; | |
1c7ac018 JB |
234 | |
235 | switch (rfs) { | |
a5a56871 PV |
236 | case 7: return 192; |
237 | case 6: return 96; | |
238 | case 5: return 128; | |
239 | case 4: return 64; | |
1c7ac018 JB |
240 | case 3: return 768; |
241 | case 2: return 384; | |
242 | case 1: return 512; | |
243 | default: return 256; | |
244 | } | |
245 | } | |
246 | ||
247 | /* Write RCLK of I2S (in multiples of LRCLK) */ | |
248 | static inline void set_rfs(struct i2s_dai *i2s, unsigned rfs) | |
249 | { | |
250 | u32 mod = readl(i2s->addr + I2SMOD); | |
a5a56871 | 251 | int rfs_shift = i2s->variant_regs->rfs_off; |
1c7ac018 | 252 | |
a5a56871 | 253 | mod &= ~(i2s->variant_regs->rfs_mask << rfs_shift); |
1c7ac018 JB |
254 | |
255 | switch (rfs) { | |
a5a56871 PV |
256 | case 192: |
257 | mod |= (EXYNOS7_MOD_RCLK_192FS << rfs_shift); | |
258 | break; | |
259 | case 96: | |
260 | mod |= (EXYNOS7_MOD_RCLK_96FS << rfs_shift); | |
261 | break; | |
262 | case 128: | |
263 | mod |= (EXYNOS7_MOD_RCLK_128FS << rfs_shift); | |
264 | break; | |
265 | case 64: | |
266 | mod |= (EXYNOS7_MOD_RCLK_64FS << rfs_shift); | |
267 | break; | |
1c7ac018 | 268 | case 768: |
b60be4aa | 269 | mod |= (MOD_RCLK_768FS << rfs_shift); |
1c7ac018 JB |
270 | break; |
271 | case 512: | |
b60be4aa | 272 | mod |= (MOD_RCLK_512FS << rfs_shift); |
1c7ac018 JB |
273 | break; |
274 | case 384: | |
b60be4aa | 275 | mod |= (MOD_RCLK_384FS << rfs_shift); |
1c7ac018 JB |
276 | break; |
277 | default: | |
b60be4aa | 278 | mod |= (MOD_RCLK_256FS << rfs_shift); |
1c7ac018 JB |
279 | break; |
280 | } | |
281 | ||
282 | writel(mod, i2s->addr + I2SMOD); | |
283 | } | |
284 | ||
285 | /* Read Bit-Clock of I2S (in multiples of LRCLK) */ | |
286 | static inline unsigned get_bfs(struct i2s_dai *i2s) | |
287 | { | |
4ca0c0d4 | 288 | u32 bfs; |
a5a56871 PV |
289 | bfs = readl(i2s->addr + I2SMOD) >> i2s->variant_regs->bfs_off; |
290 | bfs &= i2s->variant_regs->bfs_mask; | |
1c7ac018 JB |
291 | |
292 | switch (bfs) { | |
4ca0c0d4 PV |
293 | case 8: return 256; |
294 | case 7: return 192; | |
295 | case 6: return 128; | |
296 | case 5: return 96; | |
297 | case 4: return 64; | |
1c7ac018 JB |
298 | case 3: return 24; |
299 | case 2: return 16; | |
300 | case 1: return 48; | |
301 | default: return 32; | |
302 | } | |
303 | } | |
304 | ||
305 | /* Write Bit-Clock of I2S (in multiples of LRCLK) */ | |
306 | static inline void set_bfs(struct i2s_dai *i2s, unsigned bfs) | |
307 | { | |
308 | u32 mod = readl(i2s->addr + I2SMOD); | |
4ca0c0d4 | 309 | int tdm = i2s->quirks & QUIRK_SUPPORTS_TDM; |
a5a56871 | 310 | int bfs_shift = i2s->variant_regs->bfs_off; |
4ca0c0d4 PV |
311 | |
312 | /* Non-TDM I2S controllers do not support BCLK > 48 * FS */ | |
313 | if (!tdm && bfs > 48) { | |
314 | dev_err(&i2s->pdev->dev, "Unsupported BCLK divider\n"); | |
315 | return; | |
316 | } | |
1c7ac018 | 317 | |
a5a56871 PV |
318 | mod &= ~(i2s->variant_regs->bfs_mask << bfs_shift); |
319 | ||
1c7ac018 JB |
320 | switch (bfs) { |
321 | case 48: | |
b60be4aa | 322 | mod |= (MOD_BCLK_48FS << bfs_shift); |
1c7ac018 JB |
323 | break; |
324 | case 32: | |
b60be4aa | 325 | mod |= (MOD_BCLK_32FS << bfs_shift); |
1c7ac018 JB |
326 | break; |
327 | case 24: | |
b60be4aa | 328 | mod |= (MOD_BCLK_24FS << bfs_shift); |
1c7ac018 JB |
329 | break; |
330 | case 16: | |
b60be4aa | 331 | mod |= (MOD_BCLK_16FS << bfs_shift); |
1c7ac018 | 332 | break; |
4ca0c0d4 PV |
333 | case 64: |
334 | mod |= (EXYNOS5420_MOD_BCLK_64FS << bfs_shift); | |
335 | break; | |
336 | case 96: | |
337 | mod |= (EXYNOS5420_MOD_BCLK_96FS << bfs_shift); | |
338 | break; | |
339 | case 128: | |
340 | mod |= (EXYNOS5420_MOD_BCLK_128FS << bfs_shift); | |
341 | break; | |
342 | case 192: | |
343 | mod |= (EXYNOS5420_MOD_BCLK_192FS << bfs_shift); | |
344 | break; | |
345 | case 256: | |
346 | mod |= (EXYNOS5420_MOD_BCLK_256FS << bfs_shift); | |
1c7ac018 JB |
347 | break; |
348 | default: | |
349 | dev_err(&i2s->pdev->dev, "Wrong BCLK Divider!\n"); | |
350 | return; | |
351 | } | |
352 | ||
353 | writel(mod, i2s->addr + I2SMOD); | |
354 | } | |
355 | ||
356 | /* Sample-Size */ | |
357 | static inline int get_blc(struct i2s_dai *i2s) | |
358 | { | |
359 | int blc = readl(i2s->addr + I2SMOD); | |
360 | ||
361 | blc = (blc >> 13) & 0x3; | |
362 | ||
363 | switch (blc) { | |
364 | case 2: return 24; | |
365 | case 1: return 8; | |
366 | default: return 16; | |
367 | } | |
368 | } | |
369 | ||
370 | /* TX Channel Control */ | |
371 | static void i2s_txctrl(struct i2s_dai *i2s, int on) | |
372 | { | |
373 | void __iomem *addr = i2s->addr; | |
a5a56871 | 374 | int txr_off = i2s->variant_regs->txr_off; |
1c7ac018 | 375 | u32 con = readl(addr + I2SCON); |
a5a56871 | 376 | u32 mod = readl(addr + I2SMOD) & ~(3 << txr_off); |
1c7ac018 JB |
377 | |
378 | if (on) { | |
379 | con |= CON_ACTIVE; | |
380 | con &= ~CON_TXCH_PAUSE; | |
381 | ||
382 | if (is_secondary(i2s)) { | |
383 | con |= CON_TXSDMA_ACTIVE; | |
384 | con &= ~CON_TXSDMA_PAUSE; | |
385 | } else { | |
386 | con |= CON_TXDMA_ACTIVE; | |
387 | con &= ~CON_TXDMA_PAUSE; | |
388 | } | |
389 | ||
390 | if (any_rx_active(i2s)) | |
a5a56871 | 391 | mod |= 2 << txr_off; |
1c7ac018 | 392 | else |
a5a56871 | 393 | mod |= 0 << txr_off; |
1c7ac018 JB |
394 | } else { |
395 | if (is_secondary(i2s)) { | |
396 | con |= CON_TXSDMA_PAUSE; | |
397 | con &= ~CON_TXSDMA_ACTIVE; | |
398 | } else { | |
399 | con |= CON_TXDMA_PAUSE; | |
400 | con &= ~CON_TXDMA_ACTIVE; | |
401 | } | |
402 | ||
403 | if (other_tx_active(i2s)) { | |
404 | writel(con, addr + I2SCON); | |
405 | return; | |
406 | } | |
407 | ||
408 | con |= CON_TXCH_PAUSE; | |
409 | ||
410 | if (any_rx_active(i2s)) | |
a5a56871 | 411 | mod |= 1 << txr_off; |
1c7ac018 JB |
412 | else |
413 | con &= ~CON_ACTIVE; | |
414 | } | |
415 | ||
416 | writel(mod, addr + I2SMOD); | |
417 | writel(con, addr + I2SCON); | |
418 | } | |
419 | ||
420 | /* RX Channel Control */ | |
421 | static void i2s_rxctrl(struct i2s_dai *i2s, int on) | |
422 | { | |
423 | void __iomem *addr = i2s->addr; | |
a5a56871 | 424 | int txr_off = i2s->variant_regs->txr_off; |
1c7ac018 | 425 | u32 con = readl(addr + I2SCON); |
a5a56871 | 426 | u32 mod = readl(addr + I2SMOD) & ~(3 << txr_off); |
1c7ac018 JB |
427 | |
428 | if (on) { | |
429 | con |= CON_RXDMA_ACTIVE | CON_ACTIVE; | |
430 | con &= ~(CON_RXDMA_PAUSE | CON_RXCH_PAUSE); | |
431 | ||
432 | if (any_tx_active(i2s)) | |
a5a56871 | 433 | mod |= 2 << txr_off; |
1c7ac018 | 434 | else |
a5a56871 | 435 | mod |= 1 << txr_off; |
1c7ac018 JB |
436 | } else { |
437 | con |= CON_RXDMA_PAUSE | CON_RXCH_PAUSE; | |
438 | con &= ~CON_RXDMA_ACTIVE; | |
439 | ||
440 | if (any_tx_active(i2s)) | |
a5a56871 | 441 | mod |= 0 << txr_off; |
1c7ac018 JB |
442 | else |
443 | con &= ~CON_ACTIVE; | |
444 | } | |
445 | ||
446 | writel(mod, addr + I2SMOD); | |
447 | writel(con, addr + I2SCON); | |
448 | } | |
449 | ||
450 | /* Flush FIFO of an interface */ | |
451 | static inline void i2s_fifo(struct i2s_dai *i2s, u32 flush) | |
452 | { | |
453 | void __iomem *fic; | |
454 | u32 val; | |
455 | ||
456 | if (!i2s) | |
457 | return; | |
458 | ||
459 | if (is_secondary(i2s)) | |
460 | fic = i2s->addr + I2SFICS; | |
461 | else | |
462 | fic = i2s->addr + I2SFIC; | |
463 | ||
464 | /* Flush the FIFO */ | |
465 | writel(readl(fic) | flush, fic); | |
466 | ||
467 | /* Be patient */ | |
468 | val = msecs_to_loops(1) / 1000; /* 1 usec */ | |
469 | while (--val) | |
470 | cpu_relax(); | |
471 | ||
472 | writel(readl(fic) & ~flush, fic); | |
473 | } | |
474 | ||
475 | static int i2s_set_sysclk(struct snd_soc_dai *dai, | |
476 | int clk_id, unsigned int rfs, int dir) | |
477 | { | |
478 | struct i2s_dai *i2s = to_info(dai); | |
dcd60fc3 | 479 | struct i2s_dai *other = get_other_dai(i2s); |
a5a56871 PV |
480 | const struct samsung_i2s_variant_regs *i2s_regs = i2s->variant_regs; |
481 | unsigned int cdcon_mask = 1 << i2s_regs->cdclkcon_off; | |
482 | unsigned int rsrc_mask = 1 << i2s_regs->rclksrc_off; | |
ce8bcdbb | 483 | u32 mod, mask, val = 0; |
316fa9e0 | 484 | unsigned long flags; |
ce8bcdbb | 485 | |
316fa9e0 | 486 | spin_lock_irqsave(i2s->lock, flags); |
ce8bcdbb | 487 | mod = readl(i2s->addr + I2SMOD); |
316fa9e0 | 488 | spin_unlock_irqrestore(i2s->lock, flags); |
1c7ac018 JB |
489 | |
490 | switch (clk_id) { | |
c86d50f9 | 491 | case SAMSUNG_I2S_OPCLK: |
ce8bcdbb SN |
492 | mask = MOD_OPCLK_MASK; |
493 | val = dir; | |
c86d50f9 | 494 | break; |
1c7ac018 | 495 | case SAMSUNG_I2S_CDCLK: |
ce8bcdbb | 496 | mask = 1 << i2s_regs->cdclkcon_off; |
1c7ac018 JB |
497 | /* Shouldn't matter in GATING(CLOCK_IN) mode */ |
498 | if (dir == SND_SOC_CLOCK_IN) | |
499 | rfs = 0; | |
500 | ||
133c2681 | 501 | if ((rfs && other && other->rfs && (other->rfs != rfs)) || |
1c7ac018 JB |
502 | (any_active(i2s) && |
503 | (((dir == SND_SOC_CLOCK_IN) | |
a5a56871 | 504 | && !(mod & cdcon_mask)) || |
1c7ac018 | 505 | ((dir == SND_SOC_CLOCK_OUT) |
a5a56871 | 506 | && (mod & cdcon_mask))))) { |
1c7ac018 JB |
507 | dev_err(&i2s->pdev->dev, |
508 | "%s:%d Other DAI busy\n", __func__, __LINE__); | |
509 | return -EAGAIN; | |
510 | } | |
511 | ||
512 | if (dir == SND_SOC_CLOCK_IN) | |
ce8bcdbb | 513 | val = 1 << i2s_regs->cdclkcon_off; |
1c7ac018 JB |
514 | |
515 | i2s->rfs = rfs; | |
516 | break; | |
517 | ||
518 | case SAMSUNG_I2S_RCLKSRC_0: /* clock corrsponding to IISMOD[10] := 0 */ | |
519 | case SAMSUNG_I2S_RCLKSRC_1: /* clock corrsponding to IISMOD[10] := 1 */ | |
ce8bcdbb SN |
520 | mask = 1 << i2s_regs->rclksrc_off; |
521 | ||
1c7ac018 JB |
522 | if ((i2s->quirks & QUIRK_NO_MUXPSR) |
523 | || (clk_id == SAMSUNG_I2S_RCLKSRC_0)) | |
524 | clk_id = 0; | |
525 | else | |
526 | clk_id = 1; | |
527 | ||
528 | if (!any_active(i2s)) { | |
a6aba536 | 529 | if (i2s->op_clk && !IS_ERR(i2s->op_clk)) { |
a5a56871 PV |
530 | if ((clk_id && !(mod & rsrc_mask)) || |
531 | (!clk_id && (mod & rsrc_mask))) { | |
98614cf6 | 532 | clk_disable_unprepare(i2s->op_clk); |
1c7ac018 JB |
533 | clk_put(i2s->op_clk); |
534 | } else { | |
6ce534aa JB |
535 | i2s->rclk_srcrate = |
536 | clk_get_rate(i2s->op_clk); | |
1c7ac018 JB |
537 | return 0; |
538 | } | |
539 | } | |
540 | ||
1974a042 PV |
541 | if (clk_id) |
542 | i2s->op_clk = clk_get(&i2s->pdev->dev, | |
543 | "i2s_opclk1"); | |
544 | else | |
545 | i2s->op_clk = clk_get(&i2s->pdev->dev, | |
546 | "i2s_opclk0"); | |
a6aba536 SN |
547 | |
548 | if (WARN_ON(IS_ERR(i2s->op_clk))) | |
549 | return PTR_ERR(i2s->op_clk); | |
550 | ||
98614cf6 | 551 | clk_prepare_enable(i2s->op_clk); |
1c7ac018 JB |
552 | i2s->rclk_srcrate = clk_get_rate(i2s->op_clk); |
553 | ||
554 | /* Over-ride the other's */ | |
555 | if (other) { | |
556 | other->op_clk = i2s->op_clk; | |
557 | other->rclk_srcrate = i2s->rclk_srcrate; | |
558 | } | |
a5a56871 PV |
559 | } else if ((!clk_id && (mod & rsrc_mask)) |
560 | || (clk_id && !(mod & rsrc_mask))) { | |
1c7ac018 JB |
561 | dev_err(&i2s->pdev->dev, |
562 | "%s:%d Other DAI busy\n", __func__, __LINE__); | |
563 | return -EAGAIN; | |
564 | } else { | |
565 | /* Call can't be on the active DAI */ | |
566 | i2s->op_clk = other->op_clk; | |
567 | i2s->rclk_srcrate = other->rclk_srcrate; | |
568 | return 0; | |
569 | } | |
570 | ||
ce8bcdbb SN |
571 | if (clk_id == 1) |
572 | val = 1 << i2s_regs->rclksrc_off; | |
b2de1d20 | 573 | break; |
1c7ac018 JB |
574 | default: |
575 | dev_err(&i2s->pdev->dev, "We don't serve that!\n"); | |
576 | return -EINVAL; | |
577 | } | |
578 | ||
316fa9e0 | 579 | spin_lock_irqsave(i2s->lock, flags); |
ce8bcdbb SN |
580 | mod = readl(i2s->addr + I2SMOD); |
581 | mod = (mod & ~mask) | val; | |
1c7ac018 | 582 | writel(mod, i2s->addr + I2SMOD); |
316fa9e0 | 583 | spin_unlock_irqrestore(i2s->lock, flags); |
1c7ac018 JB |
584 | |
585 | return 0; | |
586 | } | |
587 | ||
588 | static int i2s_set_fmt(struct snd_soc_dai *dai, | |
589 | unsigned int fmt) | |
590 | { | |
591 | struct i2s_dai *i2s = to_info(dai); | |
a5a56871 | 592 | int lrp_shift, sdf_shift, sdf_mask, lrp_rlow, mod_slave; |
ce8bcdbb | 593 | u32 mod, tmp = 0; |
316fa9e0 | 594 | unsigned long flags; |
1c7ac018 | 595 | |
a5a56871 PV |
596 | lrp_shift = i2s->variant_regs->lrp_off; |
597 | sdf_shift = i2s->variant_regs->sdf_off; | |
598 | mod_slave = 1 << i2s->variant_regs->mss_off; | |
4ca0c0d4 | 599 | |
b60be4aa PV |
600 | sdf_mask = MOD_SDF_MASK << sdf_shift; |
601 | lrp_rlow = MOD_LR_RLOW << lrp_shift; | |
602 | ||
1c7ac018 JB |
603 | /* Format is priority */ |
604 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
605 | case SND_SOC_DAIFMT_RIGHT_J: | |
b60be4aa PV |
606 | tmp |= lrp_rlow; |
607 | tmp |= (MOD_SDF_MSB << sdf_shift); | |
1c7ac018 JB |
608 | break; |
609 | case SND_SOC_DAIFMT_LEFT_J: | |
b60be4aa PV |
610 | tmp |= lrp_rlow; |
611 | tmp |= (MOD_SDF_LSB << sdf_shift); | |
1c7ac018 JB |
612 | break; |
613 | case SND_SOC_DAIFMT_I2S: | |
b60be4aa | 614 | tmp |= (MOD_SDF_IIS << sdf_shift); |
1c7ac018 JB |
615 | break; |
616 | default: | |
617 | dev_err(&i2s->pdev->dev, "Format not supported\n"); | |
618 | return -EINVAL; | |
619 | } | |
620 | ||
621 | /* | |
622 | * INV flag is relative to the FORMAT flag - if set it simply | |
623 | * flips the polarity specified by the Standard | |
624 | */ | |
625 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
626 | case SND_SOC_DAIFMT_NB_NF: | |
627 | break; | |
628 | case SND_SOC_DAIFMT_NB_IF: | |
b60be4aa PV |
629 | if (tmp & lrp_rlow) |
630 | tmp &= ~lrp_rlow; | |
1c7ac018 | 631 | else |
b60be4aa | 632 | tmp |= lrp_rlow; |
1c7ac018 JB |
633 | break; |
634 | default: | |
635 | dev_err(&i2s->pdev->dev, "Polarity not supported\n"); | |
636 | return -EINVAL; | |
637 | } | |
638 | ||
639 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
640 | case SND_SOC_DAIFMT_CBM_CFM: | |
a5a56871 | 641 | tmp |= mod_slave; |
1c7ac018 JB |
642 | break; |
643 | case SND_SOC_DAIFMT_CBS_CFS: | |
644 | /* Set default source clock in Master mode */ | |
645 | if (i2s->rclk_srcrate == 0) | |
646 | i2s_set_sysclk(dai, SAMSUNG_I2S_RCLKSRC_0, | |
647 | 0, SND_SOC_CLOCK_IN); | |
648 | break; | |
649 | default: | |
650 | dev_err(&i2s->pdev->dev, "master/slave format not supported\n"); | |
651 | return -EINVAL; | |
652 | } | |
653 | ||
316fa9e0 | 654 | spin_lock_irqsave(i2s->lock, flags); |
ce8bcdbb | 655 | mod = readl(i2s->addr + I2SMOD); |
b60be4aa PV |
656 | /* |
657 | * Don't change the I2S mode if any controller is active on this | |
658 | * channel. | |
659 | */ | |
1c7ac018 | 660 | if (any_active(i2s) && |
a5a56871 | 661 | ((mod & (sdf_mask | lrp_rlow | mod_slave)) != tmp)) { |
316fa9e0 | 662 | spin_unlock_irqrestore(i2s->lock, flags); |
1c7ac018 JB |
663 | dev_err(&i2s->pdev->dev, |
664 | "%s:%d Other DAI busy\n", __func__, __LINE__); | |
665 | return -EAGAIN; | |
666 | } | |
667 | ||
a5a56871 | 668 | mod &= ~(sdf_mask | lrp_rlow | mod_slave); |
1c7ac018 JB |
669 | mod |= tmp; |
670 | writel(mod, i2s->addr + I2SMOD); | |
316fa9e0 | 671 | spin_unlock_irqrestore(i2s->lock, flags); |
1c7ac018 JB |
672 | |
673 | return 0; | |
674 | } | |
675 | ||
676 | static int i2s_hw_params(struct snd_pcm_substream *substream, | |
677 | struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) | |
678 | { | |
679 | struct i2s_dai *i2s = to_info(dai); | |
ce8bcdbb | 680 | u32 mod, mask = 0, val = 0; |
316fa9e0 | 681 | unsigned long flags; |
1c7ac018 JB |
682 | |
683 | if (!is_secondary(i2s)) | |
ce8bcdbb | 684 | mask |= (MOD_DC2_EN | MOD_DC1_EN); |
1c7ac018 JB |
685 | |
686 | switch (params_channels(params)) { | |
687 | case 6: | |
ce8bcdbb | 688 | val |= MOD_DC2_EN; |
1c7ac018 | 689 | case 4: |
ce8bcdbb | 690 | val |= MOD_DC1_EN; |
1c7ac018 JB |
691 | break; |
692 | case 2: | |
588fb705 SP |
693 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
694 | i2s->dma_playback.dma_size = 4; | |
695 | else | |
696 | i2s->dma_capture.dma_size = 4; | |
697 | break; | |
698 | case 1: | |
699 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
700 | i2s->dma_playback.dma_size = 2; | |
701 | else | |
702 | i2s->dma_capture.dma_size = 2; | |
703 | ||
1c7ac018 JB |
704 | break; |
705 | default: | |
706 | dev_err(&i2s->pdev->dev, "%d channels not supported\n", | |
707 | params_channels(params)); | |
708 | return -EINVAL; | |
709 | } | |
710 | ||
711 | if (is_secondary(i2s)) | |
ce8bcdbb | 712 | mask |= MOD_BLCS_MASK; |
1c7ac018 | 713 | else |
ce8bcdbb | 714 | mask |= MOD_BLCP_MASK; |
1c7ac018 JB |
715 | |
716 | if (is_manager(i2s)) | |
ce8bcdbb | 717 | mask |= MOD_BLC_MASK; |
1c7ac018 | 718 | |
88ce1465 TB |
719 | switch (params_width(params)) { |
720 | case 8: | |
1c7ac018 | 721 | if (is_secondary(i2s)) |
ce8bcdbb | 722 | val |= MOD_BLCS_8BIT; |
1c7ac018 | 723 | else |
ce8bcdbb | 724 | val |= MOD_BLCP_8BIT; |
1c7ac018 | 725 | if (is_manager(i2s)) |
ce8bcdbb | 726 | val |= MOD_BLC_8BIT; |
1c7ac018 | 727 | break; |
88ce1465 | 728 | case 16: |
1c7ac018 | 729 | if (is_secondary(i2s)) |
ce8bcdbb | 730 | val |= MOD_BLCS_16BIT; |
1c7ac018 | 731 | else |
ce8bcdbb | 732 | val |= MOD_BLCP_16BIT; |
1c7ac018 | 733 | if (is_manager(i2s)) |
ce8bcdbb | 734 | val |= MOD_BLC_16BIT; |
1c7ac018 | 735 | break; |
88ce1465 | 736 | case 24: |
1c7ac018 | 737 | if (is_secondary(i2s)) |
ce8bcdbb | 738 | val |= MOD_BLCS_24BIT; |
1c7ac018 | 739 | else |
ce8bcdbb | 740 | val |= MOD_BLCP_24BIT; |
1c7ac018 | 741 | if (is_manager(i2s)) |
ce8bcdbb | 742 | val |= MOD_BLC_24BIT; |
1c7ac018 JB |
743 | break; |
744 | default: | |
745 | dev_err(&i2s->pdev->dev, "Format(%d) not supported\n", | |
746 | params_format(params)); | |
747 | return -EINVAL; | |
748 | } | |
ce8bcdbb | 749 | |
316fa9e0 | 750 | spin_lock_irqsave(i2s->lock, flags); |
ce8bcdbb SN |
751 | mod = readl(i2s->addr + I2SMOD); |
752 | mod = (mod & ~mask) | val; | |
1c7ac018 | 753 | writel(mod, i2s->addr + I2SMOD); |
316fa9e0 | 754 | spin_unlock_irqrestore(i2s->lock, flags); |
1c7ac018 | 755 | |
d37bdf73 MB |
756 | samsung_asoc_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture); |
757 | ||
1c7ac018 JB |
758 | i2s->frmclk = params_rate(params); |
759 | ||
760 | return 0; | |
761 | } | |
762 | ||
763 | /* We set constraints on the substream acc to the version of I2S */ | |
764 | static int i2s_startup(struct snd_pcm_substream *substream, | |
765 | struct snd_soc_dai *dai) | |
766 | { | |
767 | struct i2s_dai *i2s = to_info(dai); | |
dcd60fc3 | 768 | struct i2s_dai *other = get_other_dai(i2s); |
1c7ac018 JB |
769 | unsigned long flags; |
770 | ||
771 | spin_lock_irqsave(&lock, flags); | |
772 | ||
773 | i2s->mode |= DAI_OPENED; | |
774 | ||
775 | if (is_manager(other)) | |
776 | i2s->mode &= ~DAI_MANAGER; | |
777 | else | |
778 | i2s->mode |= DAI_MANAGER; | |
779 | ||
2d77828d PV |
780 | if (!any_active(i2s) && (i2s->quirks & QUIRK_NEED_RSTCLR)) |
781 | writel(CON_RSTCLR, i2s->addr + I2SCON); | |
782 | ||
1c7ac018 JB |
783 | spin_unlock_irqrestore(&lock, flags); |
784 | ||
785 | return 0; | |
786 | } | |
787 | ||
788 | static void i2s_shutdown(struct snd_pcm_substream *substream, | |
789 | struct snd_soc_dai *dai) | |
790 | { | |
791 | struct i2s_dai *i2s = to_info(dai); | |
dcd60fc3 | 792 | struct i2s_dai *other = get_other_dai(i2s); |
1c7ac018 JB |
793 | unsigned long flags; |
794 | ||
795 | spin_lock_irqsave(&lock, flags); | |
796 | ||
797 | i2s->mode &= ~DAI_OPENED; | |
798 | i2s->mode &= ~DAI_MANAGER; | |
799 | ||
074b89bb | 800 | if (is_opened(other)) |
1c7ac018 | 801 | other->mode |= DAI_MANAGER; |
074b89bb | 802 | |
1c7ac018 JB |
803 | /* Reset any constraint on RFS and BFS */ |
804 | i2s->rfs = 0; | |
805 | i2s->bfs = 0; | |
806 | ||
807 | spin_unlock_irqrestore(&lock, flags); | |
1c7ac018 JB |
808 | } |
809 | ||
810 | static int config_setup(struct i2s_dai *i2s) | |
811 | { | |
dcd60fc3 | 812 | struct i2s_dai *other = get_other_dai(i2s); |
1c7ac018 JB |
813 | unsigned rfs, bfs, blc; |
814 | u32 psr; | |
815 | ||
816 | blc = get_blc(i2s); | |
817 | ||
818 | bfs = i2s->bfs; | |
819 | ||
820 | if (!bfs && other) | |
821 | bfs = other->bfs; | |
822 | ||
823 | /* Select least possible multiple(2) if no constraint set */ | |
824 | if (!bfs) | |
825 | bfs = blc * 2; | |
826 | ||
827 | rfs = i2s->rfs; | |
828 | ||
829 | if (!rfs && other) | |
830 | rfs = other->rfs; | |
831 | ||
832 | if ((rfs == 256 || rfs == 512) && (blc == 24)) { | |
833 | dev_err(&i2s->pdev->dev, | |
834 | "%d-RFS not supported for 24-blc\n", rfs); | |
835 | return -EINVAL; | |
836 | } | |
837 | ||
838 | if (!rfs) { | |
839 | if (bfs == 16 || bfs == 32) | |
840 | rfs = 256; | |
841 | else | |
842 | rfs = 384; | |
843 | } | |
844 | ||
845 | /* If already setup and running */ | |
846 | if (any_active(i2s) && (get_rfs(i2s) != rfs || get_bfs(i2s) != bfs)) { | |
847 | dev_err(&i2s->pdev->dev, | |
848 | "%s:%d Other DAI busy\n", __func__, __LINE__); | |
849 | return -EAGAIN; | |
850 | } | |
851 | ||
1c7ac018 JB |
852 | set_bfs(i2s, bfs); |
853 | set_rfs(i2s, rfs); | |
854 | ||
77010010 PV |
855 | /* Don't bother with PSR in Slave mode */ |
856 | if (is_slave(i2s)) | |
857 | return 0; | |
858 | ||
1c7ac018 JB |
859 | if (!(i2s->quirks & QUIRK_NO_MUXPSR)) { |
860 | psr = i2s->rclk_srcrate / i2s->frmclk / rfs; | |
861 | writel(((psr - 1) << 8) | PSR_PSREN, i2s->addr + I2SPSR); | |
862 | dev_dbg(&i2s->pdev->dev, | |
863 | "RCLK_SRC=%luHz PSR=%u, RCLK=%dfs, BCLK=%dfs\n", | |
864 | i2s->rclk_srcrate, psr, rfs, bfs); | |
865 | } | |
866 | ||
867 | return 0; | |
868 | } | |
869 | ||
870 | static int i2s_trigger(struct snd_pcm_substream *substream, | |
871 | int cmd, struct snd_soc_dai *dai) | |
872 | { | |
873 | int capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); | |
874 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
875 | struct i2s_dai *i2s = to_info(rtd->cpu_dai); | |
876 | unsigned long flags; | |
877 | ||
878 | switch (cmd) { | |
879 | case SNDRV_PCM_TRIGGER_START: | |
880 | case SNDRV_PCM_TRIGGER_RESUME: | |
881 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
f3670536 | 882 | spin_lock_irqsave(i2s->lock, flags); |
1c7ac018 | 883 | |
1c7ac018 | 884 | if (config_setup(i2s)) { |
f3670536 | 885 | spin_unlock_irqrestore(i2s->lock, flags); |
1c7ac018 JB |
886 | return -EINVAL; |
887 | } | |
888 | ||
889 | if (capture) | |
890 | i2s_rxctrl(i2s, 1); | |
891 | else | |
892 | i2s_txctrl(i2s, 1); | |
893 | ||
f3670536 | 894 | spin_unlock_irqrestore(i2s->lock, flags); |
1c7ac018 JB |
895 | break; |
896 | case SNDRV_PCM_TRIGGER_STOP: | |
897 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
898 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
f3670536 | 899 | spin_lock_irqsave(i2s->lock, flags); |
1c7ac018 | 900 | |
c90887fe | 901 | if (capture) { |
1c7ac018 | 902 | i2s_rxctrl(i2s, 0); |
775bc971 | 903 | i2s_fifo(i2s, FIC_RXFLUSH); |
c90887fe JB |
904 | } else { |
905 | i2s_txctrl(i2s, 0); | |
775bc971 | 906 | i2s_fifo(i2s, FIC_TXFLUSH); |
c90887fe | 907 | } |
775bc971 | 908 | |
f3670536 | 909 | spin_unlock_irqrestore(i2s->lock, flags); |
1c7ac018 JB |
910 | break; |
911 | } | |
912 | ||
913 | return 0; | |
914 | } | |
915 | ||
916 | static int i2s_set_clkdiv(struct snd_soc_dai *dai, | |
917 | int div_id, int div) | |
918 | { | |
919 | struct i2s_dai *i2s = to_info(dai); | |
dcd60fc3 | 920 | struct i2s_dai *other = get_other_dai(i2s); |
1c7ac018 JB |
921 | |
922 | switch (div_id) { | |
923 | case SAMSUNG_I2S_DIV_BCLK: | |
924 | if ((any_active(i2s) && div && (get_bfs(i2s) != div)) | |
925 | || (other && other->bfs && (other->bfs != div))) { | |
926 | dev_err(&i2s->pdev->dev, | |
927 | "%s:%d Other DAI busy\n", __func__, __LINE__); | |
928 | return -EAGAIN; | |
929 | } | |
930 | i2s->bfs = div; | |
931 | break; | |
932 | default: | |
933 | dev_err(&i2s->pdev->dev, | |
934 | "Invalid clock divider(%d)\n", div_id); | |
935 | return -EINVAL; | |
936 | } | |
937 | ||
938 | return 0; | |
939 | } | |
940 | ||
941 | static snd_pcm_sframes_t | |
942 | i2s_delay(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) | |
943 | { | |
944 | struct i2s_dai *i2s = to_info(dai); | |
945 | u32 reg = readl(i2s->addr + I2SFIC); | |
946 | snd_pcm_sframes_t delay; | |
a5a56871 | 947 | const struct samsung_i2s_variant_regs *i2s_regs = i2s->variant_regs; |
1c7ac018 JB |
948 | |
949 | if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) | |
950 | delay = FIC_RXCOUNT(reg); | |
951 | else if (is_secondary(i2s)) | |
952 | delay = FICS_TXCOUNT(readl(i2s->addr + I2SFICS)); | |
953 | else | |
a5a56871 | 954 | delay = (reg >> i2s_regs->ftx0cnt_off) & 0x7f; |
1c7ac018 JB |
955 | |
956 | return delay; | |
957 | } | |
958 | ||
959 | #ifdef CONFIG_PM | |
960 | static int i2s_suspend(struct snd_soc_dai *dai) | |
961 | { | |
962 | struct i2s_dai *i2s = to_info(dai); | |
963 | ||
d3d4e524 SN |
964 | i2s->suspend_i2smod = readl(i2s->addr + I2SMOD); |
965 | i2s->suspend_i2scon = readl(i2s->addr + I2SCON); | |
966 | i2s->suspend_i2spsr = readl(i2s->addr + I2SPSR); | |
1c7ac018 JB |
967 | |
968 | return 0; | |
969 | } | |
970 | ||
971 | static int i2s_resume(struct snd_soc_dai *dai) | |
972 | { | |
973 | struct i2s_dai *i2s = to_info(dai); | |
974 | ||
d3d4e524 SN |
975 | writel(i2s->suspend_i2scon, i2s->addr + I2SCON); |
976 | writel(i2s->suspend_i2smod, i2s->addr + I2SMOD); | |
977 | writel(i2s->suspend_i2spsr, i2s->addr + I2SPSR); | |
1c7ac018 JB |
978 | |
979 | return 0; | |
980 | } | |
981 | #else | |
982 | #define i2s_suspend NULL | |
983 | #define i2s_resume NULL | |
984 | #endif | |
985 | ||
986 | static int samsung_i2s_dai_probe(struct snd_soc_dai *dai) | |
987 | { | |
988 | struct i2s_dai *i2s = to_info(dai); | |
dcd60fc3 | 989 | struct i2s_dai *other = get_other_dai(i2s); |
ce8bcdbb | 990 | unsigned long flags; |
1c7ac018 | 991 | |
0ec2ba80 | 992 | if (is_secondary(i2s)) { /* If this is probe on the secondary DAI */ |
3688569e MB |
993 | samsung_asoc_init_dma_data(dai, &other->sec_dai->dma_playback, |
994 | NULL); | |
872c26bd SN |
995 | } else { |
996 | samsung_asoc_init_dma_data(dai, &i2s->dma_playback, | |
997 | &i2s->dma_capture); | |
511e3033 | 998 | |
872c26bd SN |
999 | if (i2s->quirks & QUIRK_NEED_RSTCLR) |
1000 | writel(CON_RSTCLR, i2s->addr + I2SCON); | |
1c7ac018 | 1001 | |
872c26bd SN |
1002 | if (i2s->quirks & QUIRK_SUPPORTS_IDMA) |
1003 | idma_reg_addr_init(i2s->addr, | |
61100f40 | 1004 | i2s->sec_dai->idma_playback.dma_addr); |
872c26bd | 1005 | } |
61100f40 | 1006 | |
1c7ac018 JB |
1007 | /* Reset any constraint on RFS and BFS */ |
1008 | i2s->rfs = 0; | |
1009 | i2s->bfs = 0; | |
d66eac3e | 1010 | i2s->rclk_srcrate = 0; |
ce8bcdbb SN |
1011 | |
1012 | spin_lock_irqsave(i2s->lock, flags); | |
1c7ac018 JB |
1013 | i2s_txctrl(i2s, 0); |
1014 | i2s_rxctrl(i2s, 0); | |
1015 | i2s_fifo(i2s, FIC_TXFLUSH); | |
1016 | i2s_fifo(other, FIC_TXFLUSH); | |
1017 | i2s_fifo(i2s, FIC_RXFLUSH); | |
ce8bcdbb | 1018 | spin_unlock_irqrestore(i2s->lock, flags); |
1c7ac018 JB |
1019 | |
1020 | /* Gate CDCLK by default */ | |
1021 | if (!is_opened(other)) | |
1022 | i2s_set_sysclk(dai, SAMSUNG_I2S_CDCLK, | |
1023 | 0, SND_SOC_CLOCK_IN); | |
1024 | ||
1025 | return 0; | |
1026 | } | |
1027 | ||
1028 | static int samsung_i2s_dai_remove(struct snd_soc_dai *dai) | |
1029 | { | |
1030 | struct i2s_dai *i2s = snd_soc_dai_get_drvdata(dai); | |
1c7ac018 | 1031 | |
c92f1d0e | 1032 | if (!is_secondary(i2s)) { |
ce8bcdbb SN |
1033 | if (i2s->quirks & QUIRK_NEED_RSTCLR) { |
1034 | spin_lock(i2s->lock); | |
1c7ac018 | 1035 | writel(0, i2s->addr + I2SCON); |
ce8bcdbb SN |
1036 | spin_unlock(i2s->lock); |
1037 | } | |
1c7ac018 JB |
1038 | } |
1039 | ||
1c7ac018 JB |
1040 | return 0; |
1041 | } | |
1042 | ||
85e7652d | 1043 | static const struct snd_soc_dai_ops samsung_i2s_dai_ops = { |
1c7ac018 JB |
1044 | .trigger = i2s_trigger, |
1045 | .hw_params = i2s_hw_params, | |
1046 | .set_fmt = i2s_set_fmt, | |
1047 | .set_clkdiv = i2s_set_clkdiv, | |
1048 | .set_sysclk = i2s_set_sysclk, | |
1049 | .startup = i2s_startup, | |
1050 | .shutdown = i2s_shutdown, | |
1051 | .delay = i2s_delay, | |
1052 | }; | |
1053 | ||
4b828535 KM |
1054 | static const struct snd_soc_component_driver samsung_i2s_component = { |
1055 | .name = "samsung-i2s", | |
1056 | }; | |
1057 | ||
1c7ac018 JB |
1058 | #define SAMSUNG_I2S_RATES SNDRV_PCM_RATE_8000_96000 |
1059 | ||
1060 | #define SAMSUNG_I2S_FMTS (SNDRV_PCM_FMTBIT_S8 | \ | |
1061 | SNDRV_PCM_FMTBIT_S16_LE | \ | |
1062 | SNDRV_PCM_FMTBIT_S24_LE) | |
1063 | ||
fdca21ad | 1064 | static struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec) |
1c7ac018 JB |
1065 | { |
1066 | struct i2s_dai *i2s; | |
c6f9b1eb | 1067 | int ret; |
1c7ac018 | 1068 | |
b960ce74 | 1069 | i2s = devm_kzalloc(&pdev->dev, sizeof(struct i2s_dai), GFP_KERNEL); |
1c7ac018 JB |
1070 | if (i2s == NULL) |
1071 | return NULL; | |
1072 | ||
1073 | i2s->pdev = pdev; | |
1074 | i2s->pri_dai = NULL; | |
1075 | i2s->sec_dai = NULL; | |
1076 | i2s->i2s_dai_drv.symmetric_rates = 1; | |
1077 | i2s->i2s_dai_drv.probe = samsung_i2s_dai_probe; | |
1078 | i2s->i2s_dai_drv.remove = samsung_i2s_dai_remove; | |
1079 | i2s->i2s_dai_drv.ops = &samsung_i2s_dai_ops; | |
1080 | i2s->i2s_dai_drv.suspend = i2s_suspend; | |
1081 | i2s->i2s_dai_drv.resume = i2s_resume; | |
a0ff6ea2 | 1082 | i2s->i2s_dai_drv.playback.channels_min = 1; |
1c7ac018 JB |
1083 | i2s->i2s_dai_drv.playback.channels_max = 2; |
1084 | i2s->i2s_dai_drv.playback.rates = SAMSUNG_I2S_RATES; | |
1085 | i2s->i2s_dai_drv.playback.formats = SAMSUNG_I2S_FMTS; | |
1086 | ||
1087 | if (!sec) { | |
588fb705 | 1088 | i2s->i2s_dai_drv.capture.channels_min = 1; |
1c7ac018 JB |
1089 | i2s->i2s_dai_drv.capture.channels_max = 2; |
1090 | i2s->i2s_dai_drv.capture.rates = SAMSUNG_I2S_RATES; | |
1091 | i2s->i2s_dai_drv.capture.formats = SAMSUNG_I2S_FMTS; | |
c6f9b1eb | 1092 | dev_set_drvdata(&i2s->pdev->dev, i2s); |
1c7ac018 | 1093 | } else { /* Create a new platform_device for Secondary */ |
c6f9b1eb | 1094 | i2s->pdev = platform_device_alloc("samsung-i2s-sec", -1); |
29ca9c73 | 1095 | if (!i2s->pdev) |
1c7ac018 | 1096 | return NULL; |
1c7ac018 | 1097 | |
2f6f0ffb MB |
1098 | i2s->pdev->dev.parent = &pdev->dev; |
1099 | ||
c6f9b1eb P |
1100 | platform_set_drvdata(i2s->pdev, i2s); |
1101 | ret = platform_device_add(i2s->pdev); | |
1102 | if (ret < 0) | |
1103 | return NULL; | |
1104 | } | |
1c7ac018 JB |
1105 | |
1106 | return i2s; | |
1107 | } | |
1108 | ||
40476f61 PV |
1109 | static const struct of_device_id exynos_i2s_match[]; |
1110 | ||
7da493e9 PV |
1111 | static inline const struct samsung_i2s_dai_data *samsung_i2s_get_driver_data( |
1112 | struct platform_device *pdev) | |
7c62eebb | 1113 | { |
9cf24747 | 1114 | if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) { |
40476f61 PV |
1115 | const struct of_device_id *match; |
1116 | match = of_match_node(exynos_i2s_match, pdev->dev.of_node); | |
9cf24747 SN |
1117 | return match ? match->data : NULL; |
1118 | } else { | |
7da493e9 PV |
1119 | return (struct samsung_i2s_dai_data *) |
1120 | platform_get_device_id(pdev)->driver_data; | |
9cf24747 | 1121 | } |
7c62eebb PV |
1122 | } |
1123 | ||
641d334b | 1124 | #ifdef CONFIG_PM |
5b1d3c34 C |
1125 | static int i2s_runtime_suspend(struct device *dev) |
1126 | { | |
1127 | struct i2s_dai *i2s = dev_get_drvdata(dev); | |
1128 | ||
1129 | clk_disable_unprepare(i2s->clk); | |
1130 | ||
1131 | return 0; | |
1132 | } | |
1133 | ||
1134 | static int i2s_runtime_resume(struct device *dev) | |
1135 | { | |
1136 | struct i2s_dai *i2s = dev_get_drvdata(dev); | |
1137 | ||
1138 | clk_prepare_enable(i2s->clk); | |
1139 | ||
1140 | return 0; | |
1141 | } | |
641d334b | 1142 | #endif /* CONFIG_PM */ |
5b1d3c34 | 1143 | |
074b89bb SN |
1144 | static void i2s_unregister_clocks(struct i2s_dai *i2s) |
1145 | { | |
1146 | int i; | |
1147 | ||
1148 | for (i = 0; i < i2s->clk_data.clk_num; i++) { | |
1149 | if (!IS_ERR(i2s->clk_table[i])) | |
1150 | clk_unregister(i2s->clk_table[i]); | |
1151 | } | |
1152 | } | |
1153 | ||
1154 | static void i2s_unregister_clock_provider(struct platform_device *pdev) | |
1155 | { | |
1156 | struct i2s_dai *i2s = dev_get_drvdata(&pdev->dev); | |
1157 | ||
1158 | of_clk_del_provider(pdev->dev.of_node); | |
1159 | i2s_unregister_clocks(i2s); | |
1160 | } | |
1161 | ||
1162 | static int i2s_register_clock_provider(struct platform_device *pdev) | |
1163 | { | |
1164 | struct device *dev = &pdev->dev; | |
1165 | struct i2s_dai *i2s = dev_get_drvdata(dev); | |
1166 | const char *clk_name[2] = { "i2s_opclk0", "i2s_opclk1" }; | |
1167 | const char *p_names[2] = { NULL }; | |
1168 | const struct samsung_i2s_variant_regs *reg_info = i2s->variant_regs; | |
1169 | struct clk *rclksrc; | |
1170 | int ret, i; | |
1171 | ||
1172 | /* Register the clock provider only if it's expected in the DTB */ | |
1173 | if (!of_find_property(dev->of_node, "#clock-cells", NULL)) | |
1174 | return 0; | |
1175 | ||
1176 | /* Get the RCLKSRC mux clock parent clock names */ | |
1177 | for (i = 0; i < ARRAY_SIZE(p_names); i++) { | |
1178 | rclksrc = clk_get(dev, clk_name[i]); | |
1179 | if (IS_ERR(rclksrc)) | |
1180 | continue; | |
1181 | p_names[i] = __clk_get_name(rclksrc); | |
1182 | clk_put(rclksrc); | |
1183 | } | |
1184 | ||
1185 | if (!(i2s->quirks & QUIRK_NO_MUXPSR)) { | |
1186 | /* Activate the prescaler */ | |
1187 | u32 val = readl(i2s->addr + I2SPSR); | |
1188 | writel(val | PSR_PSREN, i2s->addr + I2SPSR); | |
1189 | ||
1190 | i2s->clk_table[CLK_I2S_RCLK_SRC] = clk_register_mux(NULL, | |
1191 | "i2s_rclksrc", p_names, ARRAY_SIZE(p_names), | |
1192 | CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, | |
1193 | i2s->addr + I2SMOD, reg_info->rclksrc_off, | |
1194 | 1, 0, i2s->lock); | |
1195 | ||
1196 | i2s->clk_table[CLK_I2S_RCLK_PSR] = clk_register_divider(NULL, | |
1197 | "i2s_presc", "i2s_rclksrc", | |
1198 | CLK_SET_RATE_PARENT, | |
1199 | i2s->addr + I2SPSR, 8, 6, 0, i2s->lock); | |
1200 | ||
1201 | p_names[0] = "i2s_presc"; | |
1202 | i2s->clk_data.clk_num = 2; | |
1203 | } | |
1204 | of_property_read_string_index(dev->of_node, | |
1205 | "clock-output-names", 0, &clk_name[0]); | |
1206 | ||
1207 | i2s->clk_table[CLK_I2S_CDCLK] = clk_register_gate(NULL, clk_name[0], | |
1208 | p_names[0], CLK_SET_RATE_PARENT, | |
1209 | i2s->addr + I2SMOD, reg_info->cdclkcon_off, | |
1210 | CLK_GATE_SET_TO_DISABLE, i2s->lock); | |
1211 | ||
1212 | i2s->clk_data.clk_num += 1; | |
1213 | i2s->clk_data.clks = i2s->clk_table; | |
1214 | ||
1215 | ret = of_clk_add_provider(dev->of_node, of_clk_src_onecell_get, | |
1216 | &i2s->clk_data); | |
1217 | if (ret < 0) { | |
1218 | dev_err(dev, "failed to add clock provider: %d\n", ret); | |
1219 | i2s_unregister_clocks(i2s); | |
1220 | } | |
1221 | ||
1222 | return ret; | |
1223 | } | |
1224 | ||
fdca21ad | 1225 | static int samsung_i2s_probe(struct platform_device *pdev) |
1c7ac018 | 1226 | { |
1c7ac018 | 1227 | struct i2s_dai *pri_dai, *sec_dai = NULL; |
40476f61 PV |
1228 | struct s3c_audio_pdata *i2s_pdata = pdev->dev.platform_data; |
1229 | struct samsung_i2s *i2s_cfg = NULL; | |
1c7ac018 | 1230 | struct resource *res; |
40476f61 PV |
1231 | u32 regs_base, quirks = 0, idma_addr = 0; |
1232 | struct device_node *np = pdev->dev.of_node; | |
7da493e9 | 1233 | const struct samsung_i2s_dai_data *i2s_dai_data; |
c92f1d0e | 1234 | int ret; |
1c7ac018 JB |
1235 | |
1236 | /* Call during Seconday interface registration */ | |
7da493e9 | 1237 | i2s_dai_data = samsung_i2s_get_driver_data(pdev); |
7c62eebb | 1238 | |
7da493e9 | 1239 | if (i2s_dai_data->dai_type == TYPE_SEC) { |
1c7ac018 | 1240 | sec_dai = dev_get_drvdata(&pdev->dev); |
a9b977ec P |
1241 | if (!sec_dai) { |
1242 | dev_err(&pdev->dev, "Unable to get drvdata\n"); | |
1243 | return -EFAULT; | |
1244 | } | |
53f7faa1 | 1245 | ret = devm_snd_soc_register_component(&sec_dai->pdev->dev, |
d644a115 MB |
1246 | &samsung_i2s_component, |
1247 | &sec_dai->i2s_dai_drv, 1); | |
53f7faa1 SN |
1248 | if (ret != 0) |
1249 | return ret; | |
1250 | ||
9bdca822 AB |
1251 | return samsung_asoc_dma_platform_register(&pdev->dev, |
1252 | sec_dai->filter); | |
1c7ac018 JB |
1253 | } |
1254 | ||
40476f61 PV |
1255 | pri_dai = i2s_alloc_dai(pdev, false); |
1256 | if (!pri_dai) { | |
1257 | dev_err(&pdev->dev, "Unable to alloc I2S_pri\n"); | |
1258 | return -ENOMEM; | |
1c7ac018 JB |
1259 | } |
1260 | ||
f3670536 SN |
1261 | spin_lock_init(&pri_dai->spinlock); |
1262 | pri_dai->lock = &pri_dai->spinlock; | |
1263 | ||
40476f61 | 1264 | if (!np) { |
40476f61 PV |
1265 | if (i2s_pdata == NULL) { |
1266 | dev_err(&pdev->dev, "Can't work without s3c_audio_pdata\n"); | |
1267 | return -EINVAL; | |
1268 | } | |
1269 | ||
b9a1a743 AB |
1270 | pri_dai->dma_playback.slave = i2s_pdata->dma_playback; |
1271 | pri_dai->dma_capture.slave = i2s_pdata->dma_capture; | |
9bdca822 | 1272 | pri_dai->filter = i2s_pdata->dma_filter; |
b9a1a743 | 1273 | |
40476f61 PV |
1274 | if (&i2s_pdata->type) |
1275 | i2s_cfg = &i2s_pdata->type.i2s; | |
1276 | ||
1277 | if (i2s_cfg) { | |
1278 | quirks = i2s_cfg->quirks; | |
1279 | idma_addr = i2s_cfg->idma_addr; | |
1280 | } | |
1281 | } else { | |
7da493e9 | 1282 | quirks = i2s_dai_data->quirks; |
40476f61 PV |
1283 | if (of_property_read_u32(np, "samsung,idma-addr", |
1284 | &idma_addr)) { | |
b0759736 PV |
1285 | if (quirks & QUIRK_SUPPORTS_IDMA) { |
1286 | dev_info(&pdev->dev, "idma address is not"\ | |
40476f61 | 1287 | "specified"); |
40476f61 PV |
1288 | } |
1289 | } | |
1290 | } | |
1c7ac018 JB |
1291 | |
1292 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
af1cf5cf SN |
1293 | pri_dai->addr = devm_ioremap_resource(&pdev->dev, res); |
1294 | if (IS_ERR(pri_dai->addr)) | |
1295 | return PTR_ERR(pri_dai->addr); | |
1c7ac018 | 1296 | |
1c7ac018 JB |
1297 | regs_base = res->start; |
1298 | ||
0ec2ba80 SN |
1299 | pri_dai->clk = devm_clk_get(&pdev->dev, "iis"); |
1300 | if (IS_ERR(pri_dai->clk)) { | |
1301 | dev_err(&pdev->dev, "Failed to get iis clock\n"); | |
1302 | return PTR_ERR(pri_dai->clk); | |
1303 | } | |
c92f1d0e SN |
1304 | |
1305 | ret = clk_prepare_enable(pri_dai->clk); | |
1306 | if (ret != 0) { | |
1307 | dev_err(&pdev->dev, "failed to enable clock: %d\n", ret); | |
1308 | return ret; | |
1309 | } | |
1c7ac018 JB |
1310 | pri_dai->dma_playback.dma_addr = regs_base + I2STXD; |
1311 | pri_dai->dma_capture.dma_addr = regs_base + I2SRXD; | |
40476f61 | 1312 | pri_dai->dma_playback.ch_name = "tx"; |
40476f61 | 1313 | pri_dai->dma_capture.ch_name = "rx"; |
1c7ac018 JB |
1314 | pri_dai->dma_playback.dma_size = 4; |
1315 | pri_dai->dma_capture.dma_size = 4; | |
1c7ac018 | 1316 | pri_dai->quirks = quirks; |
a5a56871 | 1317 | pri_dai->variant_regs = i2s_dai_data->i2s_variant_regs; |
1c7ac018 JB |
1318 | |
1319 | if (quirks & QUIRK_PRI_6CHAN) | |
1320 | pri_dai->i2s_dai_drv.playback.channels_max = 6; | |
1321 | ||
1322 | if (quirks & QUIRK_SEC_DAI) { | |
1323 | sec_dai = i2s_alloc_dai(pdev, true); | |
1324 | if (!sec_dai) { | |
1325 | dev_err(&pdev->dev, "Unable to alloc I2S_sec\n"); | |
af1cf5cf | 1326 | return -ENOMEM; |
1c7ac018 | 1327 | } |
7e5d8706 | 1328 | |
f3670536 | 1329 | sec_dai->lock = &pri_dai->spinlock; |
7e5d8706 | 1330 | sec_dai->variant_regs = pri_dai->variant_regs; |
1c7ac018 | 1331 | sec_dai->dma_playback.dma_addr = regs_base + I2STXDS; |
40476f61 PV |
1332 | sec_dai->dma_playback.ch_name = "tx-sec"; |
1333 | ||
9bdca822 | 1334 | if (!np) { |
b9a1a743 | 1335 | sec_dai->dma_playback.slave = i2s_pdata->dma_play_sec; |
9bdca822 AB |
1336 | sec_dai->filter = i2s_pdata->dma_filter; |
1337 | } | |
40476f61 | 1338 | |
1c7ac018 | 1339 | sec_dai->dma_playback.dma_size = 4; |
af1cf5cf | 1340 | sec_dai->addr = pri_dai->addr; |
0ec2ba80 | 1341 | sec_dai->clk = pri_dai->clk; |
1c7ac018 | 1342 | sec_dai->quirks = quirks; |
40476f61 | 1343 | sec_dai->idma_playback.dma_addr = idma_addr; |
1c7ac018 JB |
1344 | sec_dai->pri_dai = pri_dai; |
1345 | pri_dai->sec_dai = sec_dai; | |
1346 | } | |
1347 | ||
0429ffef MB |
1348 | if (i2s_pdata && i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) { |
1349 | dev_err(&pdev->dev, "Unable to configure gpio\n"); | |
af1cf5cf | 1350 | return -EINVAL; |
1c7ac018 JB |
1351 | } |
1352 | ||
d644a115 MB |
1353 | devm_snd_soc_register_component(&pri_dai->pdev->dev, |
1354 | &samsung_i2s_component, | |
1355 | &pri_dai->i2s_dai_drv, 1); | |
1c7ac018 | 1356 | |
c5cf4dbc MB |
1357 | pm_runtime_enable(&pdev->dev); |
1358 | ||
9bdca822 | 1359 | ret = samsung_asoc_dma_platform_register(&pdev->dev, pri_dai->filter); |
53f7faa1 SN |
1360 | if (ret != 0) |
1361 | return ret; | |
a08485d8 | 1362 | |
074b89bb | 1363 | return i2s_register_clock_provider(pdev); |
1c7ac018 JB |
1364 | } |
1365 | ||
fdca21ad | 1366 | static int samsung_i2s_remove(struct platform_device *pdev) |
1c7ac018 JB |
1367 | { |
1368 | struct i2s_dai *i2s, *other; | |
1369 | ||
1370 | i2s = dev_get_drvdata(&pdev->dev); | |
dcd60fc3 | 1371 | other = get_other_dai(i2s); |
1c7ac018 JB |
1372 | |
1373 | if (other) { | |
1374 | other->pri_dai = NULL; | |
1375 | other->sec_dai = NULL; | |
1376 | } else { | |
c5cf4dbc | 1377 | pm_runtime_disable(&pdev->dev); |
1c7ac018 JB |
1378 | } |
1379 | ||
074b89bb SN |
1380 | if (!is_secondary(i2s)) { |
1381 | i2s_unregister_clock_provider(pdev); | |
c92f1d0e | 1382 | clk_disable_unprepare(i2s->clk); |
074b89bb | 1383 | } |
c92f1d0e | 1384 | |
1c7ac018 JB |
1385 | i2s->pri_dai = NULL; |
1386 | i2s->sec_dai = NULL; | |
1387 | ||
1c7ac018 JB |
1388 | return 0; |
1389 | } | |
1390 | ||
a5a56871 PV |
1391 | static const struct samsung_i2s_variant_regs i2sv3_regs = { |
1392 | .bfs_off = 1, | |
1393 | .rfs_off = 3, | |
1394 | .sdf_off = 5, | |
1395 | .txr_off = 8, | |
1396 | .rclksrc_off = 10, | |
1397 | .mss_off = 11, | |
1398 | .cdclkcon_off = 12, | |
1399 | .lrp_off = 7, | |
1400 | .bfs_mask = 0x3, | |
1401 | .rfs_mask = 0x3, | |
1402 | .ftx0cnt_off = 8, | |
1403 | }; | |
1404 | ||
1405 | static const struct samsung_i2s_variant_regs i2sv6_regs = { | |
1406 | .bfs_off = 0, | |
1407 | .rfs_off = 4, | |
1408 | .sdf_off = 6, | |
1409 | .txr_off = 8, | |
1410 | .rclksrc_off = 10, | |
1411 | .mss_off = 11, | |
1412 | .cdclkcon_off = 12, | |
1413 | .lrp_off = 15, | |
1414 | .bfs_mask = 0xf, | |
1415 | .rfs_mask = 0x3, | |
1416 | .ftx0cnt_off = 8, | |
1417 | }; | |
1418 | ||
1419 | static const struct samsung_i2s_variant_regs i2sv7_regs = { | |
1420 | .bfs_off = 0, | |
1421 | .rfs_off = 4, | |
1422 | .sdf_off = 7, | |
1423 | .txr_off = 9, | |
1424 | .rclksrc_off = 11, | |
1425 | .mss_off = 12, | |
1426 | .cdclkcon_off = 22, | |
1427 | .lrp_off = 15, | |
1428 | .bfs_mask = 0xf, | |
1429 | .rfs_mask = 0x7, | |
1430 | .ftx0cnt_off = 0, | |
1431 | }; | |
1432 | ||
1433 | static const struct samsung_i2s_variant_regs i2sv5_i2s1_regs = { | |
1434 | .bfs_off = 0, | |
1435 | .rfs_off = 3, | |
1436 | .sdf_off = 6, | |
1437 | .txr_off = 8, | |
1438 | .rclksrc_off = 10, | |
1439 | .mss_off = 11, | |
1440 | .cdclkcon_off = 12, | |
1441 | .lrp_off = 15, | |
1442 | .bfs_mask = 0x7, | |
1443 | .rfs_mask = 0x7, | |
1444 | .ftx0cnt_off = 8, | |
1445 | }; | |
1446 | ||
7da493e9 PV |
1447 | static const struct samsung_i2s_dai_data i2sv3_dai_type = { |
1448 | .dai_type = TYPE_PRI, | |
1449 | .quirks = QUIRK_NO_MUXPSR, | |
a5a56871 | 1450 | .i2s_variant_regs = &i2sv3_regs, |
7da493e9 PV |
1451 | }; |
1452 | ||
1453 | static const struct samsung_i2s_dai_data i2sv5_dai_type = { | |
1454 | .dai_type = TYPE_PRI, | |
b0759736 PV |
1455 | .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR | |
1456 | QUIRK_SUPPORTS_IDMA, | |
a5a56871 | 1457 | .i2s_variant_regs = &i2sv3_regs, |
7da493e9 PV |
1458 | }; |
1459 | ||
4ca0c0d4 PV |
1460 | static const struct samsung_i2s_dai_data i2sv6_dai_type = { |
1461 | .dai_type = TYPE_PRI, | |
1462 | .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR | | |
b0759736 | 1463 | QUIRK_SUPPORTS_TDM | QUIRK_SUPPORTS_IDMA, |
a5a56871 PV |
1464 | .i2s_variant_regs = &i2sv6_regs, |
1465 | }; | |
1466 | ||
1467 | static const struct samsung_i2s_dai_data i2sv7_dai_type = { | |
1468 | .dai_type = TYPE_PRI, | |
1469 | .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR | | |
1470 | QUIRK_SUPPORTS_TDM, | |
1471 | .i2s_variant_regs = &i2sv7_regs, | |
1472 | }; | |
1473 | ||
1474 | static const struct samsung_i2s_dai_data i2sv5_dai_type_i2s1 = { | |
1475 | .dai_type = TYPE_PRI, | |
1476 | .quirks = QUIRK_PRI_6CHAN | QUIRK_NEED_RSTCLR, | |
1477 | .i2s_variant_regs = &i2sv5_i2s1_regs, | |
4ca0c0d4 PV |
1478 | }; |
1479 | ||
7da493e9 PV |
1480 | static const struct samsung_i2s_dai_data samsung_dai_type_pri = { |
1481 | .dai_type = TYPE_PRI, | |
1482 | }; | |
1483 | ||
1484 | static const struct samsung_i2s_dai_data samsung_dai_type_sec = { | |
1485 | .dai_type = TYPE_SEC, | |
1486 | }; | |
1487 | ||
eb8ca0fa | 1488 | static const struct platform_device_id samsung_i2s_driver_ids[] = { |
7c62eebb PV |
1489 | { |
1490 | .name = "samsung-i2s", | |
3f024980 | 1491 | .driver_data = (kernel_ulong_t)&i2sv3_dai_type, |
7c62eebb PV |
1492 | }, { |
1493 | .name = "samsung-i2s-sec", | |
7da493e9 | 1494 | .driver_data = (kernel_ulong_t)&samsung_dai_type_sec, |
3f024980 MB |
1495 | }, { |
1496 | .name = "samsung-i2sv4", | |
1497 | .driver_data = (kernel_ulong_t)&i2sv5_dai_type, | |
7c62eebb PV |
1498 | }, |
1499 | {}, | |
1500 | }; | |
2af19558 | 1501 | MODULE_DEVICE_TABLE(platform, samsung_i2s_driver_ids); |
7c62eebb | 1502 | |
40476f61 | 1503 | #ifdef CONFIG_OF |
40476f61 | 1504 | static const struct of_device_id exynos_i2s_match[] = { |
7da493e9 PV |
1505 | { |
1506 | .compatible = "samsung,s3c6410-i2s", | |
1507 | .data = &i2sv3_dai_type, | |
1508 | }, { | |
1509 | .compatible = "samsung,s5pv210-i2s", | |
1510 | .data = &i2sv5_dai_type, | |
4ca0c0d4 PV |
1511 | }, { |
1512 | .compatible = "samsung,exynos5420-i2s", | |
1513 | .data = &i2sv6_dai_type, | |
a5a56871 PV |
1514 | }, { |
1515 | .compatible = "samsung,exynos7-i2s", | |
1516 | .data = &i2sv7_dai_type, | |
1517 | }, { | |
1518 | .compatible = "samsung,exynos7-i2s1", | |
1519 | .data = &i2sv5_dai_type_i2s1, | |
40476f61 PV |
1520 | }, |
1521 | {}, | |
1522 | }; | |
1523 | MODULE_DEVICE_TABLE(of, exynos_i2s_match); | |
1524 | #endif | |
1525 | ||
5b1d3c34 C |
1526 | static const struct dev_pm_ops samsung_i2s_pm = { |
1527 | SET_RUNTIME_PM_OPS(i2s_runtime_suspend, | |
1528 | i2s_runtime_resume, NULL) | |
1529 | }; | |
1530 | ||
1c7ac018 JB |
1531 | static struct platform_driver samsung_i2s_driver = { |
1532 | .probe = samsung_i2s_probe, | |
fdca21ad | 1533 | .remove = samsung_i2s_remove, |
7c62eebb | 1534 | .id_table = samsung_i2s_driver_ids, |
1c7ac018 JB |
1535 | .driver = { |
1536 | .name = "samsung-i2s", | |
40476f61 | 1537 | .of_match_table = of_match_ptr(exynos_i2s_match), |
5b1d3c34 | 1538 | .pm = &samsung_i2s_pm, |
1c7ac018 JB |
1539 | }, |
1540 | }; | |
1541 | ||
e00c3f55 | 1542 | module_platform_driver(samsung_i2s_driver); |
1c7ac018 JB |
1543 | |
1544 | /* Module information */ | |
df8ad335 | 1545 | MODULE_AUTHOR("Jaswinder Singh, <jassisinghbrar@gmail.com>"); |
1c7ac018 JB |
1546 | MODULE_DESCRIPTION("Samsung I2S Interface"); |
1547 | MODULE_ALIAS("platform:samsung-i2s"); | |
1548 | MODULE_LICENSE("GPL"); |