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1da177e4 LT |
1 | /* |
2 | * Driver for CS4231 sound chips found on Sparcs. | |
3 | * Copyright (C) 2002 David S. Miller <davem@redhat.com> | |
4 | * | |
5 | * Based entirely upon drivers/sbus/audio/cs4231.c which is: | |
6 | * Copyright (C) 1996, 1997, 1998, 1998 Derrick J Brashear (shadow@andrew.cmu.edu) | |
7 | * and also sound/isa/cs423x/cs4231_lib.c which is: | |
8 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> | |
9 | */ | |
10 | ||
11 | #include <linux/config.h> | |
12 | #include <linux/module.h> | |
13 | #include <linux/kernel.h> | |
14 | #include <linux/slab.h> | |
15 | #include <linux/delay.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/interrupt.h> | |
18 | #include <linux/moduleparam.h> | |
19 | ||
20 | #include <sound/driver.h> | |
21 | #include <sound/core.h> | |
22 | #include <sound/pcm.h> | |
23 | #include <sound/info.h> | |
24 | #include <sound/control.h> | |
25 | #include <sound/timer.h> | |
26 | #include <sound/initval.h> | |
27 | #include <sound/pcm_params.h> | |
28 | ||
29 | #include <asm/io.h> | |
30 | #include <asm/irq.h> | |
31 | ||
32 | #ifdef CONFIG_SBUS | |
33 | #define SBUS_SUPPORT | |
34 | #endif | |
35 | ||
36 | #ifdef SBUS_SUPPORT | |
37 | #include <asm/sbus.h> | |
38 | #endif | |
39 | ||
40 | #if defined(CONFIG_PCI) && defined(CONFIG_SPARC64) | |
41 | #define EBUS_SUPPORT | |
42 | #endif | |
43 | ||
44 | #ifdef EBUS_SUPPORT | |
45 | #include <linux/pci.h> | |
46 | #include <asm/ebus.h> | |
47 | #endif | |
48 | ||
49 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
50 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
51 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ | |
52 | ||
53 | module_param_array(index, int, NULL, 0444); | |
54 | MODULE_PARM_DESC(index, "Index value for Sun CS4231 soundcard."); | |
55 | module_param_array(id, charp, NULL, 0444); | |
56 | MODULE_PARM_DESC(id, "ID string for Sun CS4231 soundcard."); | |
57 | module_param_array(enable, bool, NULL, 0444); | |
58 | MODULE_PARM_DESC(enable, "Enable Sun CS4231 soundcard."); | |
59 | MODULE_AUTHOR("Jaroslav Kysela, Derrick J. Brashear and David S. Miller"); | |
60 | MODULE_DESCRIPTION("Sun CS4231"); | |
61 | MODULE_LICENSE("GPL"); | |
62 | MODULE_SUPPORTED_DEVICE("{{Sun,CS4231}}"); | |
63 | ||
5a820fa7 | 64 | #ifdef SBUS_SUPPORT |
be9b7e8c | 65 | struct sbus_dma_info { |
5a820fa7 GC |
66 | spinlock_t lock; |
67 | int dir; | |
68 | void __iomem *regs; | |
be9b7e8c | 69 | }; |
5a820fa7 GC |
70 | #endif |
71 | ||
be9b7e8c | 72 | struct cs4231_dma_control { |
b128254f GC |
73 | void (*prepare)(struct cs4231_dma_control *dma_cont, int dir); |
74 | void (*enable)(struct cs4231_dma_control *dma_cont, int on); | |
75 | int (*request)(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len); | |
76 | unsigned int (*address)(struct cs4231_dma_control *dma_cont); | |
be9b7e8c TI |
77 | void (*reset)(struct snd_cs4231 *chip); |
78 | void (*preallocate)(struct snd_cs4231 *chip, struct snd_snd_pcm *pcm); | |
1da177e4 | 79 | #ifdef EBUS_SUPPORT |
b128254f | 80 | struct ebus_dma_info ebus_info; |
1da177e4 | 81 | #endif |
5a820fa7 | 82 | #ifdef SBUS_SUPPORT |
b128254f | 83 | struct sbus_dma_info sbus_info; |
5a820fa7 | 84 | #endif |
be9b7e8c | 85 | }; |
b128254f GC |
86 | |
87 | struct snd_cs4231 { | |
88 | spinlock_t lock; | |
89 | void __iomem *port; | |
90 | ||
be9b7e8c TI |
91 | struct cs4231_dma_control p_dma; |
92 | struct cs4231_dma_control c_dma; | |
5a820fa7 | 93 | |
1da177e4 LT |
94 | u32 flags; |
95 | #define CS4231_FLAG_EBUS 0x00000001 | |
96 | #define CS4231_FLAG_PLAYBACK 0x00000002 | |
97 | #define CS4231_FLAG_CAPTURE 0x00000004 | |
98 | ||
be9b7e8c TI |
99 | struct snd_card *card; |
100 | struct snd_pcm *pcm; | |
101 | struct snd_pcm_substream *playback_substream; | |
1da177e4 | 102 | unsigned int p_periods_sent; |
be9b7e8c | 103 | struct snd_pcm_substream *capture_substream; |
1da177e4 | 104 | unsigned int c_periods_sent; |
be9b7e8c | 105 | struct snd_timer *timer; |
1da177e4 LT |
106 | |
107 | unsigned short mode; | |
108 | #define CS4231_MODE_NONE 0x0000 | |
109 | #define CS4231_MODE_PLAY 0x0001 | |
110 | #define CS4231_MODE_RECORD 0x0002 | |
111 | #define CS4231_MODE_TIMER 0x0004 | |
112 | #define CS4231_MODE_OPEN (CS4231_MODE_PLAY|CS4231_MODE_RECORD|CS4231_MODE_TIMER) | |
113 | ||
114 | unsigned char image[32]; /* registers image */ | |
115 | int mce_bit; | |
116 | int calibrate_mute; | |
117 | struct semaphore mce_mutex; | |
118 | struct semaphore open_mutex; | |
119 | ||
120 | union { | |
121 | #ifdef SBUS_SUPPORT | |
122 | struct sbus_dev *sdev; | |
123 | #endif | |
124 | #ifdef EBUS_SUPPORT | |
125 | struct pci_dev *pdev; | |
126 | #endif | |
127 | } dev_u; | |
128 | unsigned int irq[2]; | |
129 | unsigned int regs_size; | |
130 | struct snd_cs4231 *next; | |
b128254f | 131 | }; |
1da177e4 | 132 | |
be9b7e8c | 133 | static struct snd_cs4231 *cs4231_list; |
1da177e4 LT |
134 | |
135 | /* Eventually we can use sound/isa/cs423x/cs4231_lib.c directly, but for | |
136 | * now.... -DaveM | |
137 | */ | |
138 | ||
139 | /* IO ports */ | |
140 | ||
141 | #define CS4231P(chip, x) ((chip)->port + c_d_c_CS4231##x) | |
142 | ||
143 | /* XXX offsets are different than PC ISA chips... */ | |
144 | #define c_d_c_CS4231REGSEL 0x0 | |
145 | #define c_d_c_CS4231REG 0x4 | |
146 | #define c_d_c_CS4231STATUS 0x8 | |
147 | #define c_d_c_CS4231PIO 0xc | |
148 | ||
149 | /* codec registers */ | |
150 | ||
151 | #define CS4231_LEFT_INPUT 0x00 /* left input control */ | |
152 | #define CS4231_RIGHT_INPUT 0x01 /* right input control */ | |
153 | #define CS4231_AUX1_LEFT_INPUT 0x02 /* left AUX1 input control */ | |
154 | #define CS4231_AUX1_RIGHT_INPUT 0x03 /* right AUX1 input control */ | |
155 | #define CS4231_AUX2_LEFT_INPUT 0x04 /* left AUX2 input control */ | |
156 | #define CS4231_AUX2_RIGHT_INPUT 0x05 /* right AUX2 input control */ | |
157 | #define CS4231_LEFT_OUTPUT 0x06 /* left output control register */ | |
158 | #define CS4231_RIGHT_OUTPUT 0x07 /* right output control register */ | |
159 | #define CS4231_PLAYBK_FORMAT 0x08 /* clock and data format - playback - bits 7-0 MCE */ | |
160 | #define CS4231_IFACE_CTRL 0x09 /* interface control - bits 7-2 MCE */ | |
161 | #define CS4231_PIN_CTRL 0x0a /* pin control */ | |
162 | #define CS4231_TEST_INIT 0x0b /* test and initialization */ | |
163 | #define CS4231_MISC_INFO 0x0c /* miscellaneaous information */ | |
164 | #define CS4231_LOOPBACK 0x0d /* loopback control */ | |
165 | #define CS4231_PLY_UPR_CNT 0x0e /* playback upper base count */ | |
166 | #define CS4231_PLY_LWR_CNT 0x0f /* playback lower base count */ | |
167 | #define CS4231_ALT_FEATURE_1 0x10 /* alternate #1 feature enable */ | |
168 | #define CS4231_ALT_FEATURE_2 0x11 /* alternate #2 feature enable */ | |
169 | #define CS4231_LEFT_LINE_IN 0x12 /* left line input control */ | |
170 | #define CS4231_RIGHT_LINE_IN 0x13 /* right line input control */ | |
171 | #define CS4231_TIMER_LOW 0x14 /* timer low byte */ | |
172 | #define CS4231_TIMER_HIGH 0x15 /* timer high byte */ | |
173 | #define CS4231_LEFT_MIC_INPUT 0x16 /* left MIC input control register (InterWave only) */ | |
174 | #define CS4231_RIGHT_MIC_INPUT 0x17 /* right MIC input control register (InterWave only) */ | |
175 | #define CS4236_EXT_REG 0x17 /* extended register access */ | |
176 | #define CS4231_IRQ_STATUS 0x18 /* irq status register */ | |
177 | #define CS4231_LINE_LEFT_OUTPUT 0x19 /* left line output control register (InterWave only) */ | |
178 | #define CS4231_VERSION 0x19 /* CS4231(A) - version values */ | |
179 | #define CS4231_MONO_CTRL 0x1a /* mono input/output control */ | |
180 | #define CS4231_LINE_RIGHT_OUTPUT 0x1b /* right line output control register (InterWave only) */ | |
181 | #define CS4235_LEFT_MASTER 0x1b /* left master output control */ | |
182 | #define CS4231_REC_FORMAT 0x1c /* clock and data format - record - bits 7-0 MCE */ | |
183 | #define CS4231_PLY_VAR_FREQ 0x1d /* playback variable frequency */ | |
184 | #define CS4235_RIGHT_MASTER 0x1d /* right master output control */ | |
185 | #define CS4231_REC_UPR_CNT 0x1e /* record upper count */ | |
186 | #define CS4231_REC_LWR_CNT 0x1f /* record lower count */ | |
187 | ||
188 | /* definitions for codec register select port - CODECP( REGSEL ) */ | |
189 | ||
190 | #define CS4231_INIT 0x80 /* CODEC is initializing */ | |
191 | #define CS4231_MCE 0x40 /* mode change enable */ | |
192 | #define CS4231_TRD 0x20 /* transfer request disable */ | |
193 | ||
194 | /* definitions for codec status register - CODECP( STATUS ) */ | |
195 | ||
196 | #define CS4231_GLOBALIRQ 0x01 /* IRQ is active */ | |
197 | ||
a131430c | 198 | /* definitions for codec irq status - CS4231_IRQ_STATUS */ |
1da177e4 LT |
199 | |
200 | #define CS4231_PLAYBACK_IRQ 0x10 | |
201 | #define CS4231_RECORD_IRQ 0x20 | |
202 | #define CS4231_TIMER_IRQ 0x40 | |
203 | #define CS4231_ALL_IRQS 0x70 | |
204 | #define CS4231_REC_UNDERRUN 0x08 | |
205 | #define CS4231_REC_OVERRUN 0x04 | |
206 | #define CS4231_PLY_OVERRUN 0x02 | |
207 | #define CS4231_PLY_UNDERRUN 0x01 | |
208 | ||
209 | /* definitions for CS4231_LEFT_INPUT and CS4231_RIGHT_INPUT registers */ | |
210 | ||
211 | #define CS4231_ENABLE_MIC_GAIN 0x20 | |
212 | ||
213 | #define CS4231_MIXS_LINE 0x00 | |
214 | #define CS4231_MIXS_AUX1 0x40 | |
215 | #define CS4231_MIXS_MIC 0x80 | |
216 | #define CS4231_MIXS_ALL 0xc0 | |
217 | ||
218 | /* definitions for clock and data format register - CS4231_PLAYBK_FORMAT */ | |
219 | ||
220 | #define CS4231_LINEAR_8 0x00 /* 8-bit unsigned data */ | |
221 | #define CS4231_ALAW_8 0x60 /* 8-bit A-law companded */ | |
222 | #define CS4231_ULAW_8 0x20 /* 8-bit U-law companded */ | |
223 | #define CS4231_LINEAR_16 0x40 /* 16-bit twos complement data - little endian */ | |
224 | #define CS4231_LINEAR_16_BIG 0xc0 /* 16-bit twos complement data - big endian */ | |
225 | #define CS4231_ADPCM_16 0xa0 /* 16-bit ADPCM */ | |
226 | #define CS4231_STEREO 0x10 /* stereo mode */ | |
227 | /* bits 3-1 define frequency divisor */ | |
228 | #define CS4231_XTAL1 0x00 /* 24.576 crystal */ | |
229 | #define CS4231_XTAL2 0x01 /* 16.9344 crystal */ | |
230 | ||
231 | /* definitions for interface control register - CS4231_IFACE_CTRL */ | |
232 | ||
233 | #define CS4231_RECORD_PIO 0x80 /* record PIO enable */ | |
234 | #define CS4231_PLAYBACK_PIO 0x40 /* playback PIO enable */ | |
235 | #define CS4231_CALIB_MODE 0x18 /* calibration mode bits */ | |
236 | #define CS4231_AUTOCALIB 0x08 /* auto calibrate */ | |
237 | #define CS4231_SINGLE_DMA 0x04 /* use single DMA channel */ | |
238 | #define CS4231_RECORD_ENABLE 0x02 /* record enable */ | |
239 | #define CS4231_PLAYBACK_ENABLE 0x01 /* playback enable */ | |
240 | ||
241 | /* definitions for pin control register - CS4231_PIN_CTRL */ | |
242 | ||
243 | #define CS4231_IRQ_ENABLE 0x02 /* enable IRQ */ | |
244 | #define CS4231_XCTL1 0x40 /* external control #1 */ | |
245 | #define CS4231_XCTL0 0x80 /* external control #0 */ | |
246 | ||
247 | /* definitions for test and init register - CS4231_TEST_INIT */ | |
248 | ||
249 | #define CS4231_CALIB_IN_PROGRESS 0x20 /* auto calibrate in progress */ | |
250 | #define CS4231_DMA_REQUEST 0x10 /* DMA request in progress */ | |
251 | ||
252 | /* definitions for misc control register - CS4231_MISC_INFO */ | |
253 | ||
254 | #define CS4231_MODE2 0x40 /* MODE 2 */ | |
255 | #define CS4231_IW_MODE3 0x6c /* MODE 3 - InterWave enhanced mode */ | |
256 | #define CS4231_4236_MODE3 0xe0 /* MODE 3 - CS4236+ enhanced mode */ | |
257 | ||
258 | /* definitions for alternate feature 1 register - CS4231_ALT_FEATURE_1 */ | |
259 | ||
260 | #define CS4231_DACZ 0x01 /* zero DAC when underrun */ | |
261 | #define CS4231_TIMER_ENABLE 0x40 /* codec timer enable */ | |
262 | #define CS4231_OLB 0x80 /* output level bit */ | |
263 | ||
264 | /* SBUS DMA register defines. */ | |
265 | ||
266 | #define APCCSR 0x10UL /* APC DMA CSR */ | |
267 | #define APCCVA 0x20UL /* APC Capture DMA Address */ | |
268 | #define APCCC 0x24UL /* APC Capture Count */ | |
269 | #define APCCNVA 0x28UL /* APC Capture DMA Next Address */ | |
270 | #define APCCNC 0x2cUL /* APC Capture Next Count */ | |
271 | #define APCPVA 0x30UL /* APC Play DMA Address */ | |
272 | #define APCPC 0x34UL /* APC Play Count */ | |
273 | #define APCPNVA 0x38UL /* APC Play DMA Next Address */ | |
274 | #define APCPNC 0x3cUL /* APC Play Next Count */ | |
275 | ||
5a820fa7 GC |
276 | /* Defines for SBUS DMA-routines */ |
277 | ||
278 | #define APCVA 0x0UL /* APC DMA Address */ | |
279 | #define APCC 0x4UL /* APC Count */ | |
280 | #define APCNVA 0x8UL /* APC DMA Next Address */ | |
281 | #define APCNC 0xcUL /* APC Next Count */ | |
282 | #define APC_PLAY 0x30UL /* Play registers start at 0x30 */ | |
283 | #define APC_RECORD 0x20UL /* Record registers start at 0x20 */ | |
284 | ||
1da177e4 LT |
285 | /* APCCSR bits */ |
286 | ||
287 | #define APC_INT_PENDING 0x800000 /* Interrupt Pending */ | |
288 | #define APC_PLAY_INT 0x400000 /* Playback interrupt */ | |
289 | #define APC_CAPT_INT 0x200000 /* Capture interrupt */ | |
290 | #define APC_GENL_INT 0x100000 /* General interrupt */ | |
291 | #define APC_XINT_ENA 0x80000 /* General ext int. enable */ | |
292 | #define APC_XINT_PLAY 0x40000 /* Playback ext intr */ | |
293 | #define APC_XINT_CAPT 0x20000 /* Capture ext intr */ | |
294 | #define APC_XINT_GENL 0x10000 /* Error ext intr */ | |
295 | #define APC_XINT_EMPT 0x8000 /* Pipe empty interrupt (0 write to pva) */ | |
296 | #define APC_XINT_PEMP 0x4000 /* Play pipe empty (pva and pnva not set) */ | |
297 | #define APC_XINT_PNVA 0x2000 /* Playback NVA dirty */ | |
298 | #define APC_XINT_PENA 0x1000 /* play pipe empty Int enable */ | |
299 | #define APC_XINT_COVF 0x800 /* Cap data dropped on floor */ | |
300 | #define APC_XINT_CNVA 0x400 /* Capture NVA dirty */ | |
301 | #define APC_XINT_CEMP 0x200 /* Capture pipe empty (cva and cnva not set) */ | |
302 | #define APC_XINT_CENA 0x100 /* Cap. pipe empty int enable */ | |
303 | #define APC_PPAUSE 0x80 /* Pause the play DMA */ | |
304 | #define APC_CPAUSE 0x40 /* Pause the capture DMA */ | |
305 | #define APC_CDC_RESET 0x20 /* CODEC RESET */ | |
306 | #define APC_PDMA_READY 0x08 /* Play DMA Go */ | |
307 | #define APC_CDMA_READY 0x04 /* Capture DMA Go */ | |
308 | #define APC_CHIP_RESET 0x01 /* Reset the chip */ | |
309 | ||
310 | /* EBUS DMA register offsets */ | |
311 | ||
312 | #define EBDMA_CSR 0x00UL /* Control/Status */ | |
313 | #define EBDMA_ADDR 0x04UL /* DMA Address */ | |
314 | #define EBDMA_COUNT 0x08UL /* DMA Count */ | |
315 | ||
316 | /* | |
317 | * Some variables | |
318 | */ | |
319 | ||
320 | static unsigned char freq_bits[14] = { | |
321 | /* 5510 */ 0x00 | CS4231_XTAL2, | |
322 | /* 6620 */ 0x0E | CS4231_XTAL2, | |
323 | /* 8000 */ 0x00 | CS4231_XTAL1, | |
324 | /* 9600 */ 0x0E | CS4231_XTAL1, | |
325 | /* 11025 */ 0x02 | CS4231_XTAL2, | |
326 | /* 16000 */ 0x02 | CS4231_XTAL1, | |
327 | /* 18900 */ 0x04 | CS4231_XTAL2, | |
328 | /* 22050 */ 0x06 | CS4231_XTAL2, | |
329 | /* 27042 */ 0x04 | CS4231_XTAL1, | |
330 | /* 32000 */ 0x06 | CS4231_XTAL1, | |
331 | /* 33075 */ 0x0C | CS4231_XTAL2, | |
332 | /* 37800 */ 0x08 | CS4231_XTAL2, | |
333 | /* 44100 */ 0x0A | CS4231_XTAL2, | |
334 | /* 48000 */ 0x0C | CS4231_XTAL1 | |
335 | }; | |
336 | ||
337 | static unsigned int rates[14] = { | |
338 | 5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050, | |
339 | 27042, 32000, 33075, 37800, 44100, 48000 | |
340 | }; | |
341 | ||
be9b7e8c | 342 | static struct snd_pcm_hw_constraint_list hw_constraints_rates = { |
1da177e4 LT |
343 | .count = 14, |
344 | .list = rates, | |
345 | }; | |
346 | ||
be9b7e8c | 347 | static int snd_cs4231_xrate(struct snd_pcm_runtime *runtime) |
1da177e4 LT |
348 | { |
349 | return snd_pcm_hw_constraint_list(runtime, 0, | |
350 | SNDRV_PCM_HW_PARAM_RATE, | |
351 | &hw_constraints_rates); | |
352 | } | |
353 | ||
354 | static unsigned char snd_cs4231_original_image[32] = | |
355 | { | |
356 | 0x00, /* 00/00 - lic */ | |
357 | 0x00, /* 01/01 - ric */ | |
358 | 0x9f, /* 02/02 - la1ic */ | |
359 | 0x9f, /* 03/03 - ra1ic */ | |
360 | 0x9f, /* 04/04 - la2ic */ | |
361 | 0x9f, /* 05/05 - ra2ic */ | |
362 | 0xbf, /* 06/06 - loc */ | |
363 | 0xbf, /* 07/07 - roc */ | |
364 | 0x20, /* 08/08 - pdfr */ | |
365 | CS4231_AUTOCALIB, /* 09/09 - ic */ | |
366 | 0x00, /* 0a/10 - pc */ | |
367 | 0x00, /* 0b/11 - ti */ | |
368 | CS4231_MODE2, /* 0c/12 - mi */ | |
369 | 0x00, /* 0d/13 - lbc */ | |
370 | 0x00, /* 0e/14 - pbru */ | |
371 | 0x00, /* 0f/15 - pbrl */ | |
372 | 0x80, /* 10/16 - afei */ | |
373 | 0x01, /* 11/17 - afeii */ | |
374 | 0x9f, /* 12/18 - llic */ | |
375 | 0x9f, /* 13/19 - rlic */ | |
376 | 0x00, /* 14/20 - tlb */ | |
377 | 0x00, /* 15/21 - thb */ | |
378 | 0x00, /* 16/22 - la3mic/reserved */ | |
379 | 0x00, /* 17/23 - ra3mic/reserved */ | |
380 | 0x00, /* 18/24 - afs */ | |
381 | 0x00, /* 19/25 - lamoc/version */ | |
382 | 0x00, /* 1a/26 - mioc */ | |
383 | 0x00, /* 1b/27 - ramoc/reserved */ | |
384 | 0x20, /* 1c/28 - cdfr */ | |
385 | 0x00, /* 1d/29 - res4 */ | |
386 | 0x00, /* 1e/30 - cbru */ | |
387 | 0x00, /* 1f/31 - cbrl */ | |
388 | }; | |
389 | ||
be9b7e8c | 390 | static u8 __cs4231_readb(struct snd_cs4231 *cp, void __iomem *reg_addr) |
1da177e4 LT |
391 | { |
392 | #ifdef EBUS_SUPPORT | |
393 | if (cp->flags & CS4231_FLAG_EBUS) { | |
394 | return readb(reg_addr); | |
395 | } else { | |
396 | #endif | |
397 | #ifdef SBUS_SUPPORT | |
398 | return sbus_readb(reg_addr); | |
399 | #endif | |
400 | #ifdef EBUS_SUPPORT | |
401 | } | |
402 | #endif | |
403 | } | |
404 | ||
be9b7e8c | 405 | static void __cs4231_writeb(struct snd_cs4231 *cp, u8 val, void __iomem *reg_addr) |
1da177e4 LT |
406 | { |
407 | #ifdef EBUS_SUPPORT | |
408 | if (cp->flags & CS4231_FLAG_EBUS) { | |
409 | return writeb(val, reg_addr); | |
410 | } else { | |
411 | #endif | |
412 | #ifdef SBUS_SUPPORT | |
413 | return sbus_writeb(val, reg_addr); | |
414 | #endif | |
415 | #ifdef EBUS_SUPPORT | |
416 | } | |
417 | #endif | |
418 | } | |
419 | ||
420 | /* | |
421 | * Basic I/O functions | |
422 | */ | |
423 | ||
be9b7e8c | 424 | static void snd_cs4231_outm(struct snd_cs4231 *chip, unsigned char reg, |
1da177e4 LT |
425 | unsigned char mask, unsigned char value) |
426 | { | |
427 | int timeout; | |
428 | unsigned char tmp; | |
429 | ||
430 | for (timeout = 250; | |
431 | timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); | |
432 | timeout--) | |
433 | udelay(100); | |
434 | #ifdef CONFIG_SND_DEBUG | |
435 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) | |
a131430c | 436 | snd_printdd("outm: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value); |
1da177e4 LT |
437 | #endif |
438 | if (chip->calibrate_mute) { | |
439 | chip->image[reg] &= mask; | |
440 | chip->image[reg] |= value; | |
441 | } else { | |
442 | __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL)); | |
443 | mb(); | |
444 | tmp = (chip->image[reg] & mask) | value; | |
445 | __cs4231_writeb(chip, tmp, CS4231P(chip, REG)); | |
446 | chip->image[reg] = tmp; | |
447 | mb(); | |
448 | } | |
449 | } | |
450 | ||
be9b7e8c | 451 | static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg, unsigned char value) |
1da177e4 LT |
452 | { |
453 | int timeout; | |
454 | ||
455 | for (timeout = 250; | |
456 | timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); | |
457 | timeout--) | |
458 | udelay(100); | |
a131430c CZ |
459 | #ifdef CONFIG_SND_DEBUG |
460 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) | |
461 | snd_printdd("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value); | |
462 | #endif | |
1da177e4 LT |
463 | __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL)); |
464 | __cs4231_writeb(chip, value, CS4231P(chip, REG)); | |
465 | mb(); | |
466 | } | |
467 | ||
be9b7e8c | 468 | static void snd_cs4231_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char value) |
1da177e4 LT |
469 | { |
470 | int timeout; | |
471 | ||
472 | for (timeout = 250; | |
473 | timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); | |
474 | timeout--) | |
475 | udelay(100); | |
476 | #ifdef CONFIG_SND_DEBUG | |
477 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) | |
a131430c | 478 | snd_printdd("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value); |
1da177e4 LT |
479 | #endif |
480 | __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL)); | |
481 | __cs4231_writeb(chip, value, CS4231P(chip, REG)); | |
482 | chip->image[reg] = value; | |
483 | mb(); | |
1da177e4 LT |
484 | } |
485 | ||
be9b7e8c | 486 | static unsigned char snd_cs4231_in(struct snd_cs4231 *chip, unsigned char reg) |
1da177e4 LT |
487 | { |
488 | int timeout; | |
489 | unsigned char ret; | |
490 | ||
491 | for (timeout = 250; | |
492 | timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); | |
493 | timeout--) | |
494 | udelay(100); | |
495 | #ifdef CONFIG_SND_DEBUG | |
496 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) | |
a131430c | 497 | snd_printdd("in: auto calibration time out - reg = 0x%x\n", reg); |
1da177e4 LT |
498 | #endif |
499 | __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL)); | |
500 | mb(); | |
501 | ret = __cs4231_readb(chip, CS4231P(chip, REG)); | |
1da177e4 LT |
502 | return ret; |
503 | } | |
504 | ||
1da177e4 LT |
505 | /* |
506 | * CS4231 detection / MCE routines | |
507 | */ | |
508 | ||
be9b7e8c | 509 | static void snd_cs4231_busy_wait(struct snd_cs4231 *chip) |
1da177e4 LT |
510 | { |
511 | int timeout; | |
512 | ||
513 | /* huh.. looks like this sequence is proper for CS4231A chip (GUS MAX) */ | |
514 | for (timeout = 5; timeout > 0; timeout--) | |
515 | __cs4231_readb(chip, CS4231P(chip, REGSEL)); | |
a131430c | 516 | |
1da177e4 | 517 | /* end of cleanup sequence */ |
a131430c | 518 | for (timeout = 500; |
1da177e4 LT |
519 | timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); |
520 | timeout--) | |
a131430c | 521 | udelay(1000); |
1da177e4 LT |
522 | } |
523 | ||
be9b7e8c | 524 | static void snd_cs4231_mce_up(struct snd_cs4231 *chip) |
1da177e4 LT |
525 | { |
526 | unsigned long flags; | |
527 | int timeout; | |
528 | ||
529 | spin_lock_irqsave(&chip->lock, flags); | |
530 | for (timeout = 250; timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); timeout--) | |
531 | udelay(100); | |
532 | #ifdef CONFIG_SND_DEBUG | |
533 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) | |
a131430c | 534 | snd_printdd("mce_up - auto calibration time out (0)\n"); |
1da177e4 LT |
535 | #endif |
536 | chip->mce_bit |= CS4231_MCE; | |
537 | timeout = __cs4231_readb(chip, CS4231P(chip, REGSEL)); | |
538 | if (timeout == 0x80) | |
a131430c | 539 | snd_printdd("mce_up [%p]: serious init problem - codec still busy\n", chip->port); |
1da177e4 LT |
540 | if (!(timeout & CS4231_MCE)) |
541 | __cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL)); | |
542 | spin_unlock_irqrestore(&chip->lock, flags); | |
543 | } | |
544 | ||
be9b7e8c | 545 | static void snd_cs4231_mce_down(struct snd_cs4231 *chip) |
1da177e4 LT |
546 | { |
547 | unsigned long flags; | |
548 | int timeout; | |
549 | ||
550 | spin_lock_irqsave(&chip->lock, flags); | |
551 | snd_cs4231_busy_wait(chip); | |
1da177e4 LT |
552 | #ifdef CONFIG_SND_DEBUG |
553 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) | |
a131430c | 554 | snd_printdd("mce_down [%p] - auto calibration time out (0)\n", CS4231P(chip, REGSEL)); |
1da177e4 LT |
555 | #endif |
556 | chip->mce_bit &= ~CS4231_MCE; | |
557 | timeout = __cs4231_readb(chip, CS4231P(chip, REGSEL)); | |
558 | __cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL)); | |
559 | if (timeout == 0x80) | |
a131430c | 560 | snd_printdd("mce_down [%p]: serious init problem - codec still busy\n", chip->port); |
1da177e4 LT |
561 | if ((timeout & CS4231_MCE) == 0) { |
562 | spin_unlock_irqrestore(&chip->lock, flags); | |
563 | return; | |
564 | } | |
565 | snd_cs4231_busy_wait(chip); | |
566 | ||
567 | /* calibration process */ | |
568 | ||
569 | for (timeout = 500; timeout > 0 && (snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) == 0; timeout--) | |
570 | udelay(100); | |
571 | if ((snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) == 0) { | |
572 | snd_printd("cs4231_mce_down - auto calibration time out (1)\n"); | |
573 | spin_unlock_irqrestore(&chip->lock, flags); | |
574 | return; | |
575 | } | |
a131430c | 576 | |
1da177e4 LT |
577 | /* in 10ms increments, check condition, up to 250ms */ |
578 | timeout = 25; | |
579 | while (snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) { | |
580 | spin_unlock_irqrestore(&chip->lock, flags); | |
581 | if (--timeout < 0) { | |
582 | snd_printk("mce_down - auto calibration time out (2)\n"); | |
583 | return; | |
584 | } | |
585 | msleep(10); | |
586 | spin_lock_irqsave(&chip->lock, flags); | |
587 | } | |
a131430c | 588 | |
1da177e4 LT |
589 | /* in 10ms increments, check condition, up to 100ms */ |
590 | timeout = 10; | |
591 | while (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) { | |
592 | spin_unlock_irqrestore(&chip->lock, flags); | |
593 | if (--timeout < 0) { | |
594 | snd_printk("mce_down - auto calibration time out (3)\n"); | |
595 | return; | |
596 | } | |
597 | msleep(10); | |
598 | spin_lock_irqsave(&chip->lock, flags); | |
599 | } | |
600 | spin_unlock_irqrestore(&chip->lock, flags); | |
1da177e4 LT |
601 | } |
602 | ||
be9b7e8c TI |
603 | static void snd_cs4231_advance_dma(struct cs4231_dma_control *dma_cont, |
604 | struct snd_pcm_substream *substream, | |
605 | unsigned int *periods_sent) | |
1da177e4 | 606 | { |
be9b7e8c | 607 | struct snd_pcm_runtime *runtime = substream->runtime; |
1da177e4 LT |
608 | |
609 | while (1) { | |
a131430c CZ |
610 | unsigned int period_size = snd_pcm_lib_period_bytes(substream); |
611 | unsigned int offset = period_size * (*periods_sent); | |
1da177e4 | 612 | |
a131430c | 613 | if (period_size >= (1 << 24)) |
1da177e4 LT |
614 | BUG(); |
615 | ||
b128254f | 616 | if (dma_cont->request(dma_cont, runtime->dma_addr + offset, period_size)) |
1da177e4 | 617 | return; |
1da177e4 LT |
618 | (*periods_sent) = ((*periods_sent) + 1) % runtime->periods; |
619 | } | |
620 | } | |
a131430c | 621 | |
be9b7e8c TI |
622 | static void cs4231_dma_trigger(struct snd_pcm_substream *substream, |
623 | unsigned int what, int on) | |
1da177e4 | 624 | { |
be9b7e8c TI |
625 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
626 | struct cs4231_dma_control *dma_cont; | |
a131430c | 627 | |
5a820fa7 | 628 | if (what & CS4231_PLAYBACK_ENABLE) { |
b128254f | 629 | dma_cont = &chip->p_dma; |
a131430c | 630 | if (on) { |
b128254f GC |
631 | dma_cont->prepare(dma_cont, 0); |
632 | dma_cont->enable(dma_cont, 1); | |
633 | snd_cs4231_advance_dma(dma_cont, | |
5a820fa7 GC |
634 | chip->playback_substream, |
635 | &chip->p_periods_sent); | |
a131430c | 636 | } else { |
b128254f | 637 | dma_cont->enable(dma_cont, 0); |
a131430c | 638 | } |
5a820fa7 GC |
639 | } |
640 | if (what & CS4231_RECORD_ENABLE) { | |
b128254f | 641 | dma_cont = &chip->c_dma; |
a131430c | 642 | if (on) { |
b128254f GC |
643 | dma_cont->prepare(dma_cont, 1); |
644 | dma_cont->enable(dma_cont, 1); | |
645 | snd_cs4231_advance_dma(dma_cont, | |
5a820fa7 GC |
646 | chip->capture_substream, |
647 | &chip->c_periods_sent); | |
a131430c | 648 | } else { |
b128254f | 649 | dma_cont->enable(dma_cont, 0); |
a131430c | 650 | } |
a131430c | 651 | } |
1da177e4 LT |
652 | } |
653 | ||
be9b7e8c | 654 | static int snd_cs4231_trigger(struct snd_pcm_substream *substream, int cmd) |
1da177e4 | 655 | { |
be9b7e8c | 656 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
1da177e4 LT |
657 | int result = 0; |
658 | ||
659 | switch (cmd) { | |
660 | case SNDRV_PCM_TRIGGER_START: | |
661 | case SNDRV_PCM_TRIGGER_STOP: | |
662 | { | |
663 | unsigned int what = 0; | |
be9b7e8c | 664 | struct snd_pcm_substream *s; |
1da177e4 LT |
665 | struct list_head *pos; |
666 | unsigned long flags; | |
667 | ||
668 | snd_pcm_group_for_each(pos, substream) { | |
669 | s = snd_pcm_group_substream_entry(pos); | |
670 | if (s == chip->playback_substream) { | |
671 | what |= CS4231_PLAYBACK_ENABLE; | |
672 | snd_pcm_trigger_done(s, substream); | |
673 | } else if (s == chip->capture_substream) { | |
674 | what |= CS4231_RECORD_ENABLE; | |
675 | snd_pcm_trigger_done(s, substream); | |
676 | } | |
677 | } | |
678 | ||
1da177e4 LT |
679 | spin_lock_irqsave(&chip->lock, flags); |
680 | if (cmd == SNDRV_PCM_TRIGGER_START) { | |
a131430c | 681 | cs4231_dma_trigger(substream, what, 1); |
1da177e4 | 682 | chip->image[CS4231_IFACE_CTRL] |= what; |
1da177e4 | 683 | } else { |
a131430c | 684 | cs4231_dma_trigger(substream, what, 0); |
1da177e4 LT |
685 | chip->image[CS4231_IFACE_CTRL] &= ~what; |
686 | } | |
687 | snd_cs4231_out(chip, CS4231_IFACE_CTRL, | |
688 | chip->image[CS4231_IFACE_CTRL]); | |
689 | spin_unlock_irqrestore(&chip->lock, flags); | |
690 | break; | |
691 | } | |
692 | default: | |
693 | result = -EINVAL; | |
694 | break; | |
695 | } | |
a131430c | 696 | |
1da177e4 LT |
697 | return result; |
698 | } | |
699 | ||
700 | /* | |
701 | * CODEC I/O | |
702 | */ | |
703 | ||
704 | static unsigned char snd_cs4231_get_rate(unsigned int rate) | |
705 | { | |
706 | int i; | |
707 | ||
708 | for (i = 0; i < 14; i++) | |
709 | if (rate == rates[i]) | |
710 | return freq_bits[i]; | |
711 | // snd_BUG(); | |
712 | return freq_bits[13]; | |
713 | } | |
714 | ||
be9b7e8c | 715 | static unsigned char snd_cs4231_get_format(struct snd_cs4231 *chip, int format, int channels) |
1da177e4 LT |
716 | { |
717 | unsigned char rformat; | |
718 | ||
719 | rformat = CS4231_LINEAR_8; | |
720 | switch (format) { | |
721 | case SNDRV_PCM_FORMAT_MU_LAW: rformat = CS4231_ULAW_8; break; | |
722 | case SNDRV_PCM_FORMAT_A_LAW: rformat = CS4231_ALAW_8; break; | |
723 | case SNDRV_PCM_FORMAT_S16_LE: rformat = CS4231_LINEAR_16; break; | |
724 | case SNDRV_PCM_FORMAT_S16_BE: rformat = CS4231_LINEAR_16_BIG; break; | |
725 | case SNDRV_PCM_FORMAT_IMA_ADPCM: rformat = CS4231_ADPCM_16; break; | |
726 | } | |
727 | if (channels > 1) | |
728 | rformat |= CS4231_STEREO; | |
1da177e4 LT |
729 | return rformat; |
730 | } | |
731 | ||
be9b7e8c | 732 | static void snd_cs4231_calibrate_mute(struct snd_cs4231 *chip, int mute) |
1da177e4 LT |
733 | { |
734 | unsigned long flags; | |
735 | ||
736 | mute = mute ? 1 : 0; | |
737 | spin_lock_irqsave(&chip->lock, flags); | |
738 | if (chip->calibrate_mute == mute) { | |
739 | spin_unlock_irqrestore(&chip->lock, flags); | |
740 | return; | |
741 | } | |
742 | if (!mute) { | |
743 | snd_cs4231_dout(chip, CS4231_LEFT_INPUT, | |
744 | chip->image[CS4231_LEFT_INPUT]); | |
745 | snd_cs4231_dout(chip, CS4231_RIGHT_INPUT, | |
746 | chip->image[CS4231_RIGHT_INPUT]); | |
747 | snd_cs4231_dout(chip, CS4231_LOOPBACK, | |
748 | chip->image[CS4231_LOOPBACK]); | |
749 | } | |
750 | snd_cs4231_dout(chip, CS4231_AUX1_LEFT_INPUT, | |
751 | mute ? 0x80 : chip->image[CS4231_AUX1_LEFT_INPUT]); | |
752 | snd_cs4231_dout(chip, CS4231_AUX1_RIGHT_INPUT, | |
753 | mute ? 0x80 : chip->image[CS4231_AUX1_RIGHT_INPUT]); | |
754 | snd_cs4231_dout(chip, CS4231_AUX2_LEFT_INPUT, | |
755 | mute ? 0x80 : chip->image[CS4231_AUX2_LEFT_INPUT]); | |
756 | snd_cs4231_dout(chip, CS4231_AUX2_RIGHT_INPUT, | |
757 | mute ? 0x80 : chip->image[CS4231_AUX2_RIGHT_INPUT]); | |
758 | snd_cs4231_dout(chip, CS4231_LEFT_OUTPUT, | |
759 | mute ? 0x80 : chip->image[CS4231_LEFT_OUTPUT]); | |
760 | snd_cs4231_dout(chip, CS4231_RIGHT_OUTPUT, | |
761 | mute ? 0x80 : chip->image[CS4231_RIGHT_OUTPUT]); | |
762 | snd_cs4231_dout(chip, CS4231_LEFT_LINE_IN, | |
763 | mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]); | |
764 | snd_cs4231_dout(chip, CS4231_RIGHT_LINE_IN, | |
765 | mute ? 0x80 : chip->image[CS4231_RIGHT_LINE_IN]); | |
766 | snd_cs4231_dout(chip, CS4231_MONO_CTRL, | |
767 | mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]); | |
768 | chip->calibrate_mute = mute; | |
769 | spin_unlock_irqrestore(&chip->lock, flags); | |
770 | } | |
771 | ||
be9b7e8c | 772 | static void snd_cs4231_playback_format(struct snd_cs4231 *chip, struct snd_pcm_hw_params *params, |
1da177e4 LT |
773 | unsigned char pdfr) |
774 | { | |
775 | unsigned long flags; | |
776 | ||
777 | down(&chip->mce_mutex); | |
778 | snd_cs4231_calibrate_mute(chip, 1); | |
779 | ||
780 | snd_cs4231_mce_up(chip); | |
781 | ||
782 | spin_lock_irqsave(&chip->lock, flags); | |
783 | snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, | |
784 | (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) ? | |
785 | (pdfr & 0xf0) | (chip->image[CS4231_REC_FORMAT] & 0x0f) : | |
786 | pdfr); | |
787 | spin_unlock_irqrestore(&chip->lock, flags); | |
788 | ||
789 | snd_cs4231_mce_down(chip); | |
790 | ||
791 | snd_cs4231_calibrate_mute(chip, 0); | |
792 | up(&chip->mce_mutex); | |
793 | } | |
794 | ||
be9b7e8c | 795 | static void snd_cs4231_capture_format(struct snd_cs4231 *chip, struct snd_pcm_hw_params *params, |
1da177e4 LT |
796 | unsigned char cdfr) |
797 | { | |
798 | unsigned long flags; | |
799 | ||
800 | down(&chip->mce_mutex); | |
801 | snd_cs4231_calibrate_mute(chip, 1); | |
802 | ||
803 | snd_cs4231_mce_up(chip); | |
804 | ||
805 | spin_lock_irqsave(&chip->lock, flags); | |
806 | if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) { | |
807 | snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, | |
808 | ((chip->image[CS4231_PLAYBK_FORMAT]) & 0xf0) | | |
809 | (cdfr & 0x0f)); | |
810 | spin_unlock_irqrestore(&chip->lock, flags); | |
811 | snd_cs4231_mce_down(chip); | |
812 | snd_cs4231_mce_up(chip); | |
813 | spin_lock_irqsave(&chip->lock, flags); | |
814 | } | |
815 | snd_cs4231_out(chip, CS4231_REC_FORMAT, cdfr); | |
816 | spin_unlock_irqrestore(&chip->lock, flags); | |
817 | ||
818 | snd_cs4231_mce_down(chip); | |
819 | ||
820 | snd_cs4231_calibrate_mute(chip, 0); | |
821 | up(&chip->mce_mutex); | |
822 | } | |
823 | ||
824 | /* | |
825 | * Timer interface | |
826 | */ | |
827 | ||
be9b7e8c | 828 | static unsigned long snd_cs4231_timer_resolution(struct snd_timer *timer) |
1da177e4 | 829 | { |
be9b7e8c | 830 | struct snd_cs4231 *chip = snd_timer_chip(timer); |
1da177e4 LT |
831 | |
832 | return chip->image[CS4231_PLAYBK_FORMAT] & 1 ? 9969 : 9920; | |
833 | } | |
834 | ||
be9b7e8c | 835 | static int snd_cs4231_timer_start(struct snd_timer *timer) |
1da177e4 LT |
836 | { |
837 | unsigned long flags; | |
838 | unsigned int ticks; | |
be9b7e8c | 839 | struct snd_cs4231 *chip = snd_timer_chip(timer); |
1da177e4 LT |
840 | |
841 | spin_lock_irqsave(&chip->lock, flags); | |
842 | ticks = timer->sticks; | |
843 | if ((chip->image[CS4231_ALT_FEATURE_1] & CS4231_TIMER_ENABLE) == 0 || | |
844 | (unsigned char)(ticks >> 8) != chip->image[CS4231_TIMER_HIGH] || | |
845 | (unsigned char)ticks != chip->image[CS4231_TIMER_LOW]) { | |
846 | snd_cs4231_out(chip, CS4231_TIMER_HIGH, | |
847 | chip->image[CS4231_TIMER_HIGH] = | |
848 | (unsigned char) (ticks >> 8)); | |
849 | snd_cs4231_out(chip, CS4231_TIMER_LOW, | |
850 | chip->image[CS4231_TIMER_LOW] = | |
851 | (unsigned char) ticks); | |
852 | snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, | |
853 | chip->image[CS4231_ALT_FEATURE_1] | CS4231_TIMER_ENABLE); | |
854 | } | |
855 | spin_unlock_irqrestore(&chip->lock, flags); | |
856 | ||
857 | return 0; | |
858 | } | |
859 | ||
be9b7e8c | 860 | static int snd_cs4231_timer_stop(struct snd_timer *timer) |
1da177e4 LT |
861 | { |
862 | unsigned long flags; | |
be9b7e8c | 863 | struct snd_cs4231 *chip = snd_timer_chip(timer); |
1da177e4 LT |
864 | |
865 | spin_lock_irqsave(&chip->lock, flags); | |
866 | snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, | |
867 | chip->image[CS4231_ALT_FEATURE_1] &= ~CS4231_TIMER_ENABLE); | |
868 | spin_unlock_irqrestore(&chip->lock, flags); | |
869 | ||
870 | return 0; | |
871 | } | |
872 | ||
be9b7e8c | 873 | static void __init snd_cs4231_init(struct snd_cs4231 *chip) |
1da177e4 LT |
874 | { |
875 | unsigned long flags; | |
876 | ||
877 | snd_cs4231_mce_down(chip); | |
878 | ||
879 | #ifdef SNDRV_DEBUG_MCE | |
a131430c | 880 | snd_printdd("init: (1)\n"); |
1da177e4 LT |
881 | #endif |
882 | snd_cs4231_mce_up(chip); | |
883 | spin_lock_irqsave(&chip->lock, flags); | |
884 | chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO | | |
885 | CS4231_RECORD_ENABLE | CS4231_RECORD_PIO | | |
886 | CS4231_CALIB_MODE); | |
887 | chip->image[CS4231_IFACE_CTRL] |= CS4231_AUTOCALIB; | |
888 | snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); | |
889 | spin_unlock_irqrestore(&chip->lock, flags); | |
890 | snd_cs4231_mce_down(chip); | |
891 | ||
892 | #ifdef SNDRV_DEBUG_MCE | |
a131430c | 893 | snd_printdd("init: (2)\n"); |
1da177e4 LT |
894 | #endif |
895 | ||
896 | snd_cs4231_mce_up(chip); | |
897 | spin_lock_irqsave(&chip->lock, flags); | |
898 | snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1]); | |
899 | spin_unlock_irqrestore(&chip->lock, flags); | |
900 | snd_cs4231_mce_down(chip); | |
901 | ||
902 | #ifdef SNDRV_DEBUG_MCE | |
a131430c | 903 | snd_printdd("init: (3) - afei = 0x%x\n", chip->image[CS4231_ALT_FEATURE_1]); |
1da177e4 LT |
904 | #endif |
905 | ||
906 | spin_lock_irqsave(&chip->lock, flags); | |
907 | snd_cs4231_out(chip, CS4231_ALT_FEATURE_2, chip->image[CS4231_ALT_FEATURE_2]); | |
908 | spin_unlock_irqrestore(&chip->lock, flags); | |
909 | ||
910 | snd_cs4231_mce_up(chip); | |
911 | spin_lock_irqsave(&chip->lock, flags); | |
912 | snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, chip->image[CS4231_PLAYBK_FORMAT]); | |
913 | spin_unlock_irqrestore(&chip->lock, flags); | |
914 | snd_cs4231_mce_down(chip); | |
915 | ||
916 | #ifdef SNDRV_DEBUG_MCE | |
a131430c | 917 | snd_printdd("init: (4)\n"); |
1da177e4 LT |
918 | #endif |
919 | ||
920 | snd_cs4231_mce_up(chip); | |
921 | spin_lock_irqsave(&chip->lock, flags); | |
922 | snd_cs4231_out(chip, CS4231_REC_FORMAT, chip->image[CS4231_REC_FORMAT]); | |
923 | spin_unlock_irqrestore(&chip->lock, flags); | |
924 | snd_cs4231_mce_down(chip); | |
925 | ||
926 | #ifdef SNDRV_DEBUG_MCE | |
a131430c | 927 | snd_printdd("init: (5)\n"); |
1da177e4 LT |
928 | #endif |
929 | } | |
930 | ||
be9b7e8c | 931 | static int snd_cs4231_open(struct snd_cs4231 *chip, unsigned int mode) |
1da177e4 LT |
932 | { |
933 | unsigned long flags; | |
934 | ||
935 | down(&chip->open_mutex); | |
936 | if ((chip->mode & mode)) { | |
937 | up(&chip->open_mutex); | |
938 | return -EAGAIN; | |
939 | } | |
940 | if (chip->mode & CS4231_MODE_OPEN) { | |
941 | chip->mode |= mode; | |
942 | up(&chip->open_mutex); | |
943 | return 0; | |
944 | } | |
945 | /* ok. now enable and ack CODEC IRQ */ | |
946 | spin_lock_irqsave(&chip->lock, flags); | |
947 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ | | |
948 | CS4231_RECORD_IRQ | | |
949 | CS4231_TIMER_IRQ); | |
950 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); | |
951 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ | |
952 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ | |
953 | ||
954 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ | | |
955 | CS4231_RECORD_IRQ | | |
956 | CS4231_TIMER_IRQ); | |
957 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); | |
a131430c | 958 | |
1da177e4 LT |
959 | spin_unlock_irqrestore(&chip->lock, flags); |
960 | ||
961 | chip->mode = mode; | |
962 | up(&chip->open_mutex); | |
963 | return 0; | |
964 | } | |
965 | ||
be9b7e8c | 966 | static void snd_cs4231_close(struct snd_cs4231 *chip, unsigned int mode) |
1da177e4 LT |
967 | { |
968 | unsigned long flags; | |
969 | ||
970 | down(&chip->open_mutex); | |
971 | chip->mode &= ~mode; | |
972 | if (chip->mode & CS4231_MODE_OPEN) { | |
973 | up(&chip->open_mutex); | |
974 | return; | |
975 | } | |
976 | snd_cs4231_calibrate_mute(chip, 1); | |
977 | ||
978 | /* disable IRQ */ | |
979 | spin_lock_irqsave(&chip->lock, flags); | |
980 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); | |
981 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ | |
982 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ | |
983 | ||
984 | /* now disable record & playback */ | |
985 | ||
986 | if (chip->image[CS4231_IFACE_CTRL] & | |
987 | (CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO | | |
988 | CS4231_RECORD_ENABLE | CS4231_RECORD_PIO)) { | |
989 | spin_unlock_irqrestore(&chip->lock, flags); | |
990 | snd_cs4231_mce_up(chip); | |
991 | spin_lock_irqsave(&chip->lock, flags); | |
992 | chip->image[CS4231_IFACE_CTRL] &= | |
993 | ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO | | |
994 | CS4231_RECORD_ENABLE | CS4231_RECORD_PIO); | |
995 | snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); | |
996 | spin_unlock_irqrestore(&chip->lock, flags); | |
997 | snd_cs4231_mce_down(chip); | |
998 | spin_lock_irqsave(&chip->lock, flags); | |
999 | } | |
1000 | ||
1001 | /* clear IRQ again */ | |
1002 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); | |
1003 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ | |
1004 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ | |
1005 | spin_unlock_irqrestore(&chip->lock, flags); | |
1006 | ||
1007 | snd_cs4231_calibrate_mute(chip, 0); | |
1008 | ||
1009 | chip->mode = 0; | |
1010 | up(&chip->open_mutex); | |
1011 | } | |
1012 | ||
1013 | /* | |
1014 | * timer open/close | |
1015 | */ | |
1016 | ||
be9b7e8c | 1017 | static int snd_cs4231_timer_open(struct snd_timer *timer) |
1da177e4 | 1018 | { |
be9b7e8c | 1019 | struct snd_cs4231 *chip = snd_timer_chip(timer); |
1da177e4 LT |
1020 | snd_cs4231_open(chip, CS4231_MODE_TIMER); |
1021 | return 0; | |
1022 | } | |
1023 | ||
be9b7e8c | 1024 | static int snd_cs4231_timer_close(struct snd_timer * timer) |
1da177e4 | 1025 | { |
be9b7e8c | 1026 | struct snd_cs4231 *chip = snd_timer_chip(timer); |
1da177e4 LT |
1027 | snd_cs4231_close(chip, CS4231_MODE_TIMER); |
1028 | return 0; | |
1029 | } | |
1030 | ||
be9b7e8c | 1031 | static struct snd_timer_hardware snd_cs4231_timer_table = |
1da177e4 LT |
1032 | { |
1033 | .flags = SNDRV_TIMER_HW_AUTO, | |
1034 | .resolution = 9945, | |
1035 | .ticks = 65535, | |
1036 | .open = snd_cs4231_timer_open, | |
1037 | .close = snd_cs4231_timer_close, | |
1038 | .c_resolution = snd_cs4231_timer_resolution, | |
1039 | .start = snd_cs4231_timer_start, | |
1040 | .stop = snd_cs4231_timer_stop, | |
1041 | }; | |
1042 | ||
1043 | /* | |
1044 | * ok.. exported functions.. | |
1045 | */ | |
1046 | ||
be9b7e8c TI |
1047 | static int snd_cs4231_playback_hw_params(struct snd_pcm_substream *substream, |
1048 | struct snd_pcm_hw_params *hw_params) | |
1da177e4 | 1049 | { |
be9b7e8c | 1050 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
1da177e4 LT |
1051 | unsigned char new_pdfr; |
1052 | int err; | |
1053 | ||
1054 | if ((err = snd_pcm_lib_malloc_pages(substream, | |
1055 | params_buffer_bytes(hw_params))) < 0) | |
1056 | return err; | |
1057 | new_pdfr = snd_cs4231_get_format(chip, params_format(hw_params), | |
1058 | params_channels(hw_params)) | | |
1059 | snd_cs4231_get_rate(params_rate(hw_params)); | |
1060 | snd_cs4231_playback_format(chip, hw_params, new_pdfr); | |
1061 | ||
1062 | return 0; | |
1063 | } | |
1064 | ||
be9b7e8c | 1065 | static int snd_cs4231_playback_hw_free(struct snd_pcm_substream *substream) |
1da177e4 LT |
1066 | { |
1067 | return snd_pcm_lib_free_pages(substream); | |
1068 | } | |
1069 | ||
be9b7e8c | 1070 | static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream) |
1da177e4 | 1071 | { |
be9b7e8c TI |
1072 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
1073 | struct snd_pcm_runtime *runtime = substream->runtime; | |
1da177e4 LT |
1074 | unsigned long flags; |
1075 | ||
1076 | spin_lock_irqsave(&chip->lock, flags); | |
a131430c | 1077 | |
1da177e4 LT |
1078 | chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | |
1079 | CS4231_PLAYBACK_PIO); | |
a131430c CZ |
1080 | |
1081 | if (runtime->period_size > 0xffff + 1) | |
1082 | BUG(); | |
1083 | ||
a131430c | 1084 | chip->p_periods_sent = 0; |
1da177e4 LT |
1085 | spin_unlock_irqrestore(&chip->lock, flags); |
1086 | ||
1087 | return 0; | |
1088 | } | |
1089 | ||
be9b7e8c TI |
1090 | static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream, |
1091 | struct snd_pcm_hw_params *hw_params) | |
1da177e4 | 1092 | { |
be9b7e8c | 1093 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
1da177e4 LT |
1094 | unsigned char new_cdfr; |
1095 | int err; | |
1096 | ||
1097 | if ((err = snd_pcm_lib_malloc_pages(substream, | |
1098 | params_buffer_bytes(hw_params))) < 0) | |
1099 | return err; | |
1100 | new_cdfr = snd_cs4231_get_format(chip, params_format(hw_params), | |
1101 | params_channels(hw_params)) | | |
1102 | snd_cs4231_get_rate(params_rate(hw_params)); | |
1103 | snd_cs4231_capture_format(chip, hw_params, new_cdfr); | |
1104 | ||
1105 | return 0; | |
1106 | } | |
1107 | ||
be9b7e8c | 1108 | static int snd_cs4231_capture_hw_free(struct snd_pcm_substream *substream) |
1da177e4 LT |
1109 | { |
1110 | return snd_pcm_lib_free_pages(substream); | |
1111 | } | |
1112 | ||
be9b7e8c | 1113 | static int snd_cs4231_capture_prepare(struct snd_pcm_substream *substream) |
1da177e4 | 1114 | { |
be9b7e8c | 1115 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
1da177e4 LT |
1116 | unsigned long flags; |
1117 | ||
1118 | spin_lock_irqsave(&chip->lock, flags); | |
1119 | chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_RECORD_ENABLE | | |
1120 | CS4231_RECORD_PIO); | |
1121 | ||
a131430c | 1122 | |
5a820fa7 | 1123 | chip->c_periods_sent = 0; |
1da177e4 LT |
1124 | spin_unlock_irqrestore(&chip->lock, flags); |
1125 | ||
1126 | return 0; | |
1127 | } | |
1128 | ||
be9b7e8c | 1129 | static void snd_cs4231_overrange(struct snd_cs4231 *chip) |
1da177e4 LT |
1130 | { |
1131 | unsigned long flags; | |
1132 | unsigned char res; | |
1133 | ||
1134 | spin_lock_irqsave(&chip->lock, flags); | |
1135 | res = snd_cs4231_in(chip, CS4231_TEST_INIT); | |
1136 | spin_unlock_irqrestore(&chip->lock, flags); | |
1137 | ||
1138 | if (res & (0x08 | 0x02)) /* detect overrange only above 0dB; may be user selectable? */ | |
1139 | chip->capture_substream->runtime->overrange++; | |
1140 | } | |
1141 | ||
be9b7e8c | 1142 | static void snd_cs4231_play_callback(struct snd_cs4231 *chip) |
1da177e4 | 1143 | { |
1da177e4 LT |
1144 | if (chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE) { |
1145 | snd_pcm_period_elapsed(chip->playback_substream); | |
b128254f | 1146 | snd_cs4231_advance_dma(&chip->p_dma, chip->playback_substream, |
1da177e4 LT |
1147 | &chip->p_periods_sent); |
1148 | } | |
1149 | } | |
1150 | ||
be9b7e8c | 1151 | static void snd_cs4231_capture_callback(struct snd_cs4231 *chip) |
1da177e4 | 1152 | { |
1da177e4 LT |
1153 | if (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) { |
1154 | snd_pcm_period_elapsed(chip->capture_substream); | |
b128254f | 1155 | snd_cs4231_advance_dma(&chip->c_dma, chip->capture_substream, |
1da177e4 LT |
1156 | &chip->c_periods_sent); |
1157 | } | |
1158 | } | |
1da177e4 | 1159 | |
be9b7e8c | 1160 | static snd_pcm_uframes_t snd_cs4231_playback_pointer(struct snd_pcm_substream *substream) |
1da177e4 | 1161 | { |
be9b7e8c TI |
1162 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
1163 | struct cs4231_dma_control *dma_cont = &chip->p_dma; | |
5a820fa7 | 1164 | size_t ptr; |
5a820fa7 | 1165 | |
1da177e4 LT |
1166 | if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) |
1167 | return 0; | |
b128254f GC |
1168 | ptr = dma_cont->address(dma_cont); |
1169 | if (ptr != 0) | |
1170 | ptr -= substream->runtime->dma_addr; | |
1171 | ||
1da177e4 LT |
1172 | return bytes_to_frames(substream->runtime, ptr); |
1173 | } | |
1174 | ||
be9b7e8c | 1175 | static snd_pcm_uframes_t snd_cs4231_capture_pointer(struct snd_pcm_substream *substream) |
1da177e4 | 1176 | { |
be9b7e8c TI |
1177 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
1178 | struct cs4231_dma_control *dma_cont = &chip->c_dma; | |
5a820fa7 | 1179 | size_t ptr; |
1da177e4 LT |
1180 | |
1181 | if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE)) | |
1182 | return 0; | |
b128254f GC |
1183 | ptr = dma_cont->address(dma_cont); |
1184 | if (ptr != 0) | |
1185 | ptr -= substream->runtime->dma_addr; | |
1186 | ||
1da177e4 LT |
1187 | return bytes_to_frames(substream->runtime, ptr); |
1188 | } | |
1189 | ||
1190 | /* | |
1191 | ||
1192 | */ | |
1193 | ||
be9b7e8c | 1194 | static int __init snd_cs4231_probe(struct snd_cs4231 *chip) |
1da177e4 LT |
1195 | { |
1196 | unsigned long flags; | |
1197 | int i, id, vers; | |
1198 | unsigned char *ptr; | |
1199 | ||
1da177e4 LT |
1200 | id = vers = 0; |
1201 | for (i = 0; i < 50; i++) { | |
1202 | mb(); | |
1203 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) | |
1204 | udelay(2000); | |
1205 | else { | |
1206 | spin_lock_irqsave(&chip->lock, flags); | |
1207 | snd_cs4231_out(chip, CS4231_MISC_INFO, CS4231_MODE2); | |
1208 | id = snd_cs4231_in(chip, CS4231_MISC_INFO) & 0x0f; | |
1209 | vers = snd_cs4231_in(chip, CS4231_VERSION); | |
1210 | spin_unlock_irqrestore(&chip->lock, flags); | |
1211 | if (id == 0x0a) | |
1212 | break; /* this is valid value */ | |
1213 | } | |
1214 | } | |
1215 | snd_printdd("cs4231: port = %p, id = 0x%x\n", chip->port, id); | |
1216 | if (id != 0x0a) | |
1217 | return -ENODEV; /* no valid device found */ | |
1218 | ||
1219 | spin_lock_irqsave(&chip->lock, flags); | |
1220 | ||
1221 | ||
b128254f GC |
1222 | /* Reset DMA engine (sbus only). */ |
1223 | chip->p_dma.reset(chip); | |
1da177e4 LT |
1224 | |
1225 | __cs4231_readb(chip, CS4231P(chip, STATUS)); /* clear any pendings IRQ */ | |
1226 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); | |
1227 | mb(); | |
1228 | ||
1229 | spin_unlock_irqrestore(&chip->lock, flags); | |
1230 | ||
1231 | chip->image[CS4231_MISC_INFO] = CS4231_MODE2; | |
1232 | chip->image[CS4231_IFACE_CTRL] = | |
1233 | chip->image[CS4231_IFACE_CTRL] & ~CS4231_SINGLE_DMA; | |
1234 | chip->image[CS4231_ALT_FEATURE_1] = 0x80; | |
1235 | chip->image[CS4231_ALT_FEATURE_2] = 0x01; | |
1236 | if (vers & 0x20) | |
1237 | chip->image[CS4231_ALT_FEATURE_2] |= 0x02; | |
1238 | ||
1239 | ptr = (unsigned char *) &chip->image; | |
1240 | ||
1241 | snd_cs4231_mce_down(chip); | |
1242 | ||
1243 | spin_lock_irqsave(&chip->lock, flags); | |
1244 | ||
1245 | for (i = 0; i < 32; i++) /* ok.. fill all CS4231 registers */ | |
1246 | snd_cs4231_out(chip, i, *ptr++); | |
1247 | ||
1248 | spin_unlock_irqrestore(&chip->lock, flags); | |
1249 | ||
1250 | snd_cs4231_mce_up(chip); | |
1251 | ||
1252 | snd_cs4231_mce_down(chip); | |
1253 | ||
1254 | mdelay(2); | |
1255 | ||
1256 | return 0; /* all things are ok.. */ | |
1257 | } | |
1258 | ||
be9b7e8c | 1259 | static struct snd_pcm_hardware snd_cs4231_playback = |
1da177e4 LT |
1260 | { |
1261 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | |
1262 | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START), | |
1263 | .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | | |
1264 | SNDRV_PCM_FMTBIT_IMA_ADPCM | | |
1265 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | | |
1266 | SNDRV_PCM_FMTBIT_S16_BE), | |
1267 | .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, | |
1268 | .rate_min = 5510, | |
1269 | .rate_max = 48000, | |
1270 | .channels_min = 1, | |
1271 | .channels_max = 2, | |
1272 | .buffer_bytes_max = (32*1024), | |
1273 | .period_bytes_min = 4096, | |
1274 | .period_bytes_max = (32*1024), | |
1275 | .periods_min = 1, | |
1276 | .periods_max = 1024, | |
1277 | }; | |
1278 | ||
be9b7e8c | 1279 | static struct snd_pcm_hardware snd_cs4231_capture = |
1da177e4 LT |
1280 | { |
1281 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | |
1282 | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START), | |
1283 | .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | | |
1284 | SNDRV_PCM_FMTBIT_IMA_ADPCM | | |
1285 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | | |
1286 | SNDRV_PCM_FMTBIT_S16_BE), | |
1287 | .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, | |
1288 | .rate_min = 5510, | |
1289 | .rate_max = 48000, | |
1290 | .channels_min = 1, | |
1291 | .channels_max = 2, | |
1292 | .buffer_bytes_max = (32*1024), | |
1293 | .period_bytes_min = 4096, | |
1294 | .period_bytes_max = (32*1024), | |
1295 | .periods_min = 1, | |
1296 | .periods_max = 1024, | |
1297 | }; | |
1298 | ||
be9b7e8c | 1299 | static int snd_cs4231_playback_open(struct snd_pcm_substream *substream) |
1da177e4 | 1300 | { |
be9b7e8c TI |
1301 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
1302 | struct snd_pcm_runtime *runtime = substream->runtime; | |
1da177e4 LT |
1303 | int err; |
1304 | ||
1305 | runtime->hw = snd_cs4231_playback; | |
1306 | ||
1307 | if ((err = snd_cs4231_open(chip, CS4231_MODE_PLAY)) < 0) { | |
1308 | snd_free_pages(runtime->dma_area, runtime->dma_bytes); | |
1309 | return err; | |
1310 | } | |
1311 | chip->playback_substream = substream; | |
1312 | chip->p_periods_sent = 0; | |
1313 | snd_pcm_set_sync(substream); | |
1314 | snd_cs4231_xrate(runtime); | |
1315 | ||
1316 | return 0; | |
1317 | } | |
1318 | ||
be9b7e8c | 1319 | static int snd_cs4231_capture_open(struct snd_pcm_substream *substream) |
1da177e4 | 1320 | { |
be9b7e8c TI |
1321 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
1322 | struct snd_pcm_runtime *runtime = substream->runtime; | |
1da177e4 LT |
1323 | int err; |
1324 | ||
1325 | runtime->hw = snd_cs4231_capture; | |
1326 | ||
1327 | if ((err = snd_cs4231_open(chip, CS4231_MODE_RECORD)) < 0) { | |
1328 | snd_free_pages(runtime->dma_area, runtime->dma_bytes); | |
1329 | return err; | |
1330 | } | |
1331 | chip->capture_substream = substream; | |
1332 | chip->c_periods_sent = 0; | |
1333 | snd_pcm_set_sync(substream); | |
1334 | snd_cs4231_xrate(runtime); | |
1335 | ||
1336 | return 0; | |
1337 | } | |
1338 | ||
be9b7e8c | 1339 | static int snd_cs4231_playback_close(struct snd_pcm_substream *substream) |
1da177e4 | 1340 | { |
be9b7e8c | 1341 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
1da177e4 | 1342 | |
1da177e4 | 1343 | snd_cs4231_close(chip, CS4231_MODE_PLAY); |
b128254f | 1344 | chip->playback_substream = NULL; |
1da177e4 LT |
1345 | |
1346 | return 0; | |
1347 | } | |
1348 | ||
be9b7e8c | 1349 | static int snd_cs4231_capture_close(struct snd_pcm_substream *substream) |
1da177e4 | 1350 | { |
be9b7e8c | 1351 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
1da177e4 | 1352 | |
1da177e4 | 1353 | snd_cs4231_close(chip, CS4231_MODE_RECORD); |
b128254f | 1354 | chip->capture_substream = NULL; |
1da177e4 LT |
1355 | |
1356 | return 0; | |
1357 | } | |
1358 | ||
1359 | /* XXX We can do some power-management, in particular on EBUS using | |
1360 | * XXX the audio AUXIO register... | |
1361 | */ | |
1362 | ||
be9b7e8c | 1363 | static struct snd_pcm_ops snd_cs4231_playback_ops = { |
1da177e4 LT |
1364 | .open = snd_cs4231_playback_open, |
1365 | .close = snd_cs4231_playback_close, | |
1366 | .ioctl = snd_pcm_lib_ioctl, | |
1367 | .hw_params = snd_cs4231_playback_hw_params, | |
1368 | .hw_free = snd_cs4231_playback_hw_free, | |
1369 | .prepare = snd_cs4231_playback_prepare, | |
1370 | .trigger = snd_cs4231_trigger, | |
1371 | .pointer = snd_cs4231_playback_pointer, | |
1372 | }; | |
1373 | ||
be9b7e8c | 1374 | static struct snd_pcm_ops snd_cs4231_capture_ops = { |
1da177e4 LT |
1375 | .open = snd_cs4231_capture_open, |
1376 | .close = snd_cs4231_capture_close, | |
1377 | .ioctl = snd_pcm_lib_ioctl, | |
1378 | .hw_params = snd_cs4231_capture_hw_params, | |
1379 | .hw_free = snd_cs4231_capture_hw_free, | |
1380 | .prepare = snd_cs4231_capture_prepare, | |
1381 | .trigger = snd_cs4231_trigger, | |
1382 | .pointer = snd_cs4231_capture_pointer, | |
1383 | }; | |
1384 | ||
be9b7e8c | 1385 | static int __init snd_cs4231_pcm(struct snd_cs4231 *chip) |
1da177e4 | 1386 | { |
be9b7e8c | 1387 | struct snd_pcm *pcm; |
1da177e4 LT |
1388 | int err; |
1389 | ||
1390 | if ((err = snd_pcm_new(chip->card, "CS4231", 0, 1, 1, &pcm)) < 0) | |
1391 | return err; | |
1392 | ||
1393 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs4231_playback_ops); | |
1394 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cs4231_capture_ops); | |
1395 | ||
1396 | /* global setup */ | |
1397 | pcm->private_data = chip; | |
1da177e4 LT |
1398 | pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX; |
1399 | strcpy(pcm->name, "CS4231"); | |
1400 | ||
b128254f | 1401 | chip->p_dma.preallocate(chip, pcm); |
1da177e4 LT |
1402 | |
1403 | chip->pcm = pcm; | |
1404 | ||
1405 | return 0; | |
1406 | } | |
1407 | ||
be9b7e8c | 1408 | static int __init snd_cs4231_timer(struct snd_cs4231 *chip) |
1da177e4 | 1409 | { |
be9b7e8c TI |
1410 | struct snd_timer *timer; |
1411 | struct snd_timer_id tid; | |
1da177e4 LT |
1412 | int err; |
1413 | ||
1414 | /* Timer initialization */ | |
1415 | tid.dev_class = SNDRV_TIMER_CLASS_CARD; | |
1416 | tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; | |
1417 | tid.card = chip->card->number; | |
1418 | tid.device = 0; | |
1419 | tid.subdevice = 0; | |
1420 | if ((err = snd_timer_new(chip->card, "CS4231", &tid, &timer)) < 0) | |
1421 | return err; | |
1422 | strcpy(timer->name, "CS4231"); | |
1423 | timer->private_data = chip; | |
1da177e4 LT |
1424 | timer->hw = snd_cs4231_timer_table; |
1425 | chip->timer = timer; | |
1426 | ||
1427 | return 0; | |
1428 | } | |
1429 | ||
1430 | /* | |
1431 | * MIXER part | |
1432 | */ | |
1433 | ||
be9b7e8c TI |
1434 | static int snd_cs4231_info_mux(struct snd_kcontrol *kcontrol, |
1435 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 LT |
1436 | { |
1437 | static char *texts[4] = { | |
1438 | "Line", "CD", "Mic", "Mix" | |
1439 | }; | |
be9b7e8c | 1440 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1441 | |
1442 | snd_assert(chip->card != NULL, return -EINVAL); | |
1443 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
1444 | uinfo->count = 2; | |
1445 | uinfo->value.enumerated.items = 4; | |
1446 | if (uinfo->value.enumerated.item > 3) | |
1447 | uinfo->value.enumerated.item = 3; | |
1448 | strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); | |
1449 | ||
1450 | return 0; | |
1451 | } | |
1452 | ||
be9b7e8c TI |
1453 | static int snd_cs4231_get_mux(struct snd_kcontrol *kcontrol, |
1454 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1455 | { |
be9b7e8c | 1456 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1457 | unsigned long flags; |
1458 | ||
1459 | spin_lock_irqsave(&chip->lock, flags); | |
1460 | ucontrol->value.enumerated.item[0] = | |
1461 | (chip->image[CS4231_LEFT_INPUT] & CS4231_MIXS_ALL) >> 6; | |
1462 | ucontrol->value.enumerated.item[1] = | |
1463 | (chip->image[CS4231_RIGHT_INPUT] & CS4231_MIXS_ALL) >> 6; | |
1464 | spin_unlock_irqrestore(&chip->lock, flags); | |
1465 | ||
1466 | return 0; | |
1467 | } | |
1468 | ||
be9b7e8c TI |
1469 | static int snd_cs4231_put_mux(struct snd_kcontrol *kcontrol, |
1470 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1471 | { |
be9b7e8c | 1472 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1473 | unsigned long flags; |
1474 | unsigned short left, right; | |
1475 | int change; | |
1476 | ||
1477 | if (ucontrol->value.enumerated.item[0] > 3 || | |
1478 | ucontrol->value.enumerated.item[1] > 3) | |
1479 | return -EINVAL; | |
1480 | left = ucontrol->value.enumerated.item[0] << 6; | |
1481 | right = ucontrol->value.enumerated.item[1] << 6; | |
1482 | ||
1483 | spin_lock_irqsave(&chip->lock, flags); | |
1484 | ||
1485 | left = (chip->image[CS4231_LEFT_INPUT] & ~CS4231_MIXS_ALL) | left; | |
1486 | right = (chip->image[CS4231_RIGHT_INPUT] & ~CS4231_MIXS_ALL) | right; | |
1487 | change = left != chip->image[CS4231_LEFT_INPUT] || | |
1488 | right != chip->image[CS4231_RIGHT_INPUT]; | |
1489 | snd_cs4231_out(chip, CS4231_LEFT_INPUT, left); | |
1490 | snd_cs4231_out(chip, CS4231_RIGHT_INPUT, right); | |
1491 | ||
1492 | spin_unlock_irqrestore(&chip->lock, flags); | |
1493 | ||
1494 | return change; | |
1495 | } | |
1496 | ||
be9b7e8c TI |
1497 | static int snd_cs4231_info_single(struct snd_kcontrol *kcontrol, |
1498 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 LT |
1499 | { |
1500 | int mask = (kcontrol->private_value >> 16) & 0xff; | |
1501 | ||
1502 | uinfo->type = (mask == 1) ? | |
1503 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; | |
1504 | uinfo->count = 1; | |
1505 | uinfo->value.integer.min = 0; | |
1506 | uinfo->value.integer.max = mask; | |
1507 | ||
1508 | return 0; | |
1509 | } | |
1510 | ||
be9b7e8c TI |
1511 | static int snd_cs4231_get_single(struct snd_kcontrol *kcontrol, |
1512 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1513 | { |
be9b7e8c | 1514 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1515 | unsigned long flags; |
1516 | int reg = kcontrol->private_value & 0xff; | |
1517 | int shift = (kcontrol->private_value >> 8) & 0xff; | |
1518 | int mask = (kcontrol->private_value >> 16) & 0xff; | |
1519 | int invert = (kcontrol->private_value >> 24) & 0xff; | |
1520 | ||
1521 | spin_lock_irqsave(&chip->lock, flags); | |
1522 | ||
1523 | ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask; | |
1524 | ||
1525 | spin_unlock_irqrestore(&chip->lock, flags); | |
1526 | ||
1527 | if (invert) | |
1528 | ucontrol->value.integer.value[0] = | |
1529 | (mask - ucontrol->value.integer.value[0]); | |
1530 | ||
1531 | return 0; | |
1532 | } | |
1533 | ||
be9b7e8c TI |
1534 | static int snd_cs4231_put_single(struct snd_kcontrol *kcontrol, |
1535 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1536 | { |
be9b7e8c | 1537 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1538 | unsigned long flags; |
1539 | int reg = kcontrol->private_value & 0xff; | |
1540 | int shift = (kcontrol->private_value >> 8) & 0xff; | |
1541 | int mask = (kcontrol->private_value >> 16) & 0xff; | |
1542 | int invert = (kcontrol->private_value >> 24) & 0xff; | |
1543 | int change; | |
1544 | unsigned short val; | |
1545 | ||
1546 | val = (ucontrol->value.integer.value[0] & mask); | |
1547 | if (invert) | |
1548 | val = mask - val; | |
1549 | val <<= shift; | |
1550 | ||
1551 | spin_lock_irqsave(&chip->lock, flags); | |
1552 | ||
1553 | val = (chip->image[reg] & ~(mask << shift)) | val; | |
1554 | change = val != chip->image[reg]; | |
1555 | snd_cs4231_out(chip, reg, val); | |
1556 | ||
1557 | spin_unlock_irqrestore(&chip->lock, flags); | |
1558 | ||
1559 | return change; | |
1560 | } | |
1561 | ||
be9b7e8c TI |
1562 | static int snd_cs4231_info_double(struct snd_kcontrol *kcontrol, |
1563 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 LT |
1564 | { |
1565 | int mask = (kcontrol->private_value >> 24) & 0xff; | |
1566 | ||
1567 | uinfo->type = mask == 1 ? | |
1568 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; | |
1569 | uinfo->count = 2; | |
1570 | uinfo->value.integer.min = 0; | |
1571 | uinfo->value.integer.max = mask; | |
1572 | ||
1573 | return 0; | |
1574 | } | |
1575 | ||
be9b7e8c TI |
1576 | static int snd_cs4231_get_double(struct snd_kcontrol *kcontrol, |
1577 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1578 | { |
be9b7e8c | 1579 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1580 | unsigned long flags; |
1581 | int left_reg = kcontrol->private_value & 0xff; | |
1582 | int right_reg = (kcontrol->private_value >> 8) & 0xff; | |
1583 | int shift_left = (kcontrol->private_value >> 16) & 0x07; | |
1584 | int shift_right = (kcontrol->private_value >> 19) & 0x07; | |
1585 | int mask = (kcontrol->private_value >> 24) & 0xff; | |
1586 | int invert = (kcontrol->private_value >> 22) & 1; | |
1587 | ||
1588 | spin_lock_irqsave(&chip->lock, flags); | |
1589 | ||
1590 | ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask; | |
1591 | ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask; | |
1592 | ||
1593 | spin_unlock_irqrestore(&chip->lock, flags); | |
1594 | ||
1595 | if (invert) { | |
1596 | ucontrol->value.integer.value[0] = | |
1597 | (mask - ucontrol->value.integer.value[0]); | |
1598 | ucontrol->value.integer.value[1] = | |
1599 | (mask - ucontrol->value.integer.value[1]); | |
1600 | } | |
1601 | ||
1602 | return 0; | |
1603 | } | |
1604 | ||
be9b7e8c TI |
1605 | static int snd_cs4231_put_double(struct snd_kcontrol *kcontrol, |
1606 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1607 | { |
be9b7e8c | 1608 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1609 | unsigned long flags; |
1610 | int left_reg = kcontrol->private_value & 0xff; | |
1611 | int right_reg = (kcontrol->private_value >> 8) & 0xff; | |
1612 | int shift_left = (kcontrol->private_value >> 16) & 0x07; | |
1613 | int shift_right = (kcontrol->private_value >> 19) & 0x07; | |
1614 | int mask = (kcontrol->private_value >> 24) & 0xff; | |
1615 | int invert = (kcontrol->private_value >> 22) & 1; | |
1616 | int change; | |
1617 | unsigned short val1, val2; | |
1618 | ||
1619 | val1 = ucontrol->value.integer.value[0] & mask; | |
1620 | val2 = ucontrol->value.integer.value[1] & mask; | |
1621 | if (invert) { | |
1622 | val1 = mask - val1; | |
1623 | val2 = mask - val2; | |
1624 | } | |
1625 | val1 <<= shift_left; | |
1626 | val2 <<= shift_right; | |
1627 | ||
1628 | spin_lock_irqsave(&chip->lock, flags); | |
1629 | ||
1630 | val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; | |
1631 | val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2; | |
1632 | change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg]; | |
1633 | snd_cs4231_out(chip, left_reg, val1); | |
1634 | snd_cs4231_out(chip, right_reg, val2); | |
1635 | ||
1636 | spin_unlock_irqrestore(&chip->lock, flags); | |
1637 | ||
1638 | return change; | |
1639 | } | |
1640 | ||
1641 | #define CS4231_SINGLE(xname, xindex, reg, shift, mask, invert) \ | |
1642 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ | |
1643 | .info = snd_cs4231_info_single, \ | |
1644 | .get = snd_cs4231_get_single, .put = snd_cs4231_put_single, \ | |
1645 | .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } | |
1646 | ||
1647 | #define CS4231_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ | |
1648 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ | |
1649 | .info = snd_cs4231_info_double, \ | |
1650 | .get = snd_cs4231_get_double, .put = snd_cs4231_put_double, \ | |
1651 | .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } | |
1652 | ||
be9b7e8c | 1653 | static struct snd_kcontrol_new snd_cs4231_controls[] __initdata = { |
1da177e4 LT |
1654 | CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), |
1655 | CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1), | |
1656 | CS4231_DOUBLE("Line Playback Switch", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), | |
1657 | CS4231_DOUBLE("Line Playback Volume", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1), | |
1658 | CS4231_DOUBLE("Aux Playback Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), | |
1659 | CS4231_DOUBLE("Aux Playback Volume", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1), | |
1660 | CS4231_DOUBLE("Aux Playback Switch", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), | |
1661 | CS4231_DOUBLE("Aux Playback Volume", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1), | |
1662 | CS4231_SINGLE("Mono Playback Switch", 0, CS4231_MONO_CTRL, 7, 1, 1), | |
1663 | CS4231_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1), | |
1664 | CS4231_SINGLE("Mono Output Playback Switch", 0, CS4231_MONO_CTRL, 6, 1, 1), | |
1665 | CS4231_SINGLE("Mono Output Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0), | |
1666 | CS4231_DOUBLE("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0), | |
1667 | { | |
1668 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1669 | .name = "Capture Source", | |
1670 | .info = snd_cs4231_info_mux, | |
1671 | .get = snd_cs4231_get_mux, | |
1672 | .put = snd_cs4231_put_mux, | |
1673 | }, | |
1674 | CS4231_DOUBLE("Mic Boost", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5, 1, 0), | |
1675 | CS4231_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK, 0, 1, 0), | |
1676 | CS4231_SINGLE("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1), | |
1677 | /* SPARC specific uses of XCTL{0,1} general purpose outputs. */ | |
1678 | CS4231_SINGLE("Line Out Switch", 0, CS4231_PIN_CTRL, 6, 1, 1), | |
1679 | CS4231_SINGLE("Headphone Out Switch", 0, CS4231_PIN_CTRL, 7, 1, 1) | |
1680 | }; | |
1681 | ||
be9b7e8c | 1682 | static int __init snd_cs4231_mixer(struct snd_cs4231 *chip) |
1da177e4 | 1683 | { |
be9b7e8c | 1684 | struct snd_card *card; |
1da177e4 LT |
1685 | int err, idx; |
1686 | ||
1687 | snd_assert(chip != NULL && chip->pcm != NULL, return -EINVAL); | |
1688 | ||
1689 | card = chip->card; | |
1690 | ||
1691 | strcpy(card->mixername, chip->pcm->name); | |
1692 | ||
1693 | for (idx = 0; idx < ARRAY_SIZE(snd_cs4231_controls); idx++) { | |
1694 | if ((err = snd_ctl_add(card, | |
1695 | snd_ctl_new1(&snd_cs4231_controls[idx], | |
1696 | chip))) < 0) | |
1697 | return err; | |
1698 | } | |
1699 | return 0; | |
1700 | } | |
1701 | ||
1702 | static int dev; | |
1703 | ||
be9b7e8c | 1704 | static int __init cs4231_attach_begin(struct snd_card **rcard) |
1da177e4 | 1705 | { |
be9b7e8c | 1706 | struct snd_card *card; |
1da177e4 LT |
1707 | |
1708 | *rcard = NULL; | |
1709 | ||
1710 | if (dev >= SNDRV_CARDS) | |
1711 | return -ENODEV; | |
1712 | ||
1713 | if (!enable[dev]) { | |
1714 | dev++; | |
1715 | return -ENOENT; | |
1716 | } | |
1717 | ||
1718 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); | |
1719 | if (card == NULL) | |
1720 | return -ENOMEM; | |
1721 | ||
1722 | strcpy(card->driver, "CS4231"); | |
1723 | strcpy(card->shortname, "Sun CS4231"); | |
1724 | ||
1725 | *rcard = card; | |
1726 | return 0; | |
1727 | } | |
1728 | ||
be9b7e8c | 1729 | static int __init cs4231_attach_finish(struct snd_card *card, struct snd_cs4231 *chip) |
1da177e4 LT |
1730 | { |
1731 | int err; | |
1732 | ||
1733 | if ((err = snd_cs4231_pcm(chip)) < 0) | |
1734 | goto out_err; | |
1735 | ||
1736 | if ((err = snd_cs4231_mixer(chip)) < 0) | |
1737 | goto out_err; | |
1738 | ||
1739 | if ((err = snd_cs4231_timer(chip)) < 0) | |
1740 | goto out_err; | |
1741 | ||
1742 | if ((err = snd_card_register(card)) < 0) | |
1743 | goto out_err; | |
1744 | ||
1745 | chip->next = cs4231_list; | |
1746 | cs4231_list = chip; | |
1747 | ||
1748 | dev++; | |
1749 | return 0; | |
1750 | ||
1751 | out_err: | |
1752 | snd_card_free(card); | |
1753 | return err; | |
1754 | } | |
1755 | ||
1756 | #ifdef SBUS_SUPPORT | |
b128254f GC |
1757 | |
1758 | static irqreturn_t snd_cs4231_sbus_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |
1759 | { | |
1760 | unsigned long flags; | |
1761 | unsigned char status; | |
1762 | u32 csr; | |
be9b7e8c | 1763 | struct snd_cs4231 *chip = dev_id; |
b128254f GC |
1764 | |
1765 | /*This is IRQ is not raised by the cs4231*/ | |
1766 | if (!(__cs4231_readb(chip, CS4231P(chip, STATUS)) & CS4231_GLOBALIRQ)) | |
1767 | return IRQ_NONE; | |
1768 | ||
1769 | /* ACK the APC interrupt. */ | |
1770 | csr = sbus_readl(chip->port + APCCSR); | |
1771 | ||
1772 | sbus_writel(csr, chip->port + APCCSR); | |
1773 | ||
1774 | if ((csr & APC_PDMA_READY) && | |
1775 | (csr & APC_PLAY_INT) && | |
1776 | (csr & APC_XINT_PNVA) && | |
1777 | !(csr & APC_XINT_EMPT)) | |
1778 | snd_cs4231_play_callback(chip); | |
1779 | ||
1780 | if ((csr & APC_CDMA_READY) && | |
1781 | (csr & APC_CAPT_INT) && | |
1782 | (csr & APC_XINT_CNVA) && | |
1783 | !(csr & APC_XINT_EMPT)) | |
1784 | snd_cs4231_capture_callback(chip); | |
1785 | ||
1786 | status = snd_cs4231_in(chip, CS4231_IRQ_STATUS); | |
1787 | ||
1788 | if (status & CS4231_TIMER_IRQ) { | |
1789 | if (chip->timer) | |
1790 | snd_timer_interrupt(chip->timer, chip->timer->sticks); | |
1791 | } | |
1792 | ||
1793 | if ((status & CS4231_RECORD_IRQ) && (csr & APC_CDMA_READY)) | |
1794 | snd_cs4231_overrange(chip); | |
1795 | ||
1796 | /* ACK the CS4231 interrupt. */ | |
1797 | spin_lock_irqsave(&chip->lock, flags); | |
1798 | snd_cs4231_outm(chip, CS4231_IRQ_STATUS, ~CS4231_ALL_IRQS | ~status, 0); | |
1799 | spin_unlock_irqrestore(&chip->lock, flags); | |
1800 | ||
1801 | return 0; | |
1802 | } | |
1803 | ||
1804 | /* | |
1805 | * SBUS DMA routines | |
1806 | */ | |
1807 | ||
be9b7e8c | 1808 | static int sbus_dma_request(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len) |
b128254f GC |
1809 | { |
1810 | unsigned long flags; | |
1811 | u32 test, csr; | |
1812 | int err; | |
be9b7e8c | 1813 | struct sbus_dma_info *base = &dma_cont->sbus_info; |
b128254f GC |
1814 | |
1815 | if (len >= (1 << 24)) | |
1816 | return -EINVAL; | |
1817 | spin_lock_irqsave(&base->lock, flags); | |
1818 | csr = sbus_readl(base->regs + APCCSR); | |
1819 | err = -EINVAL; | |
1820 | test = APC_CDMA_READY; | |
1821 | if ( base->dir == APC_PLAY ) | |
1822 | test = APC_PDMA_READY; | |
1823 | if (!(csr & test)) | |
1824 | goto out; | |
1825 | err = -EBUSY; | |
1826 | csr = sbus_readl(base->regs + APCCSR); | |
1827 | test = APC_XINT_CNVA; | |
1828 | if ( base->dir == APC_PLAY ) | |
1829 | test = APC_XINT_PNVA; | |
1830 | if (!(csr & test)) | |
1831 | goto out; | |
1832 | err = 0; | |
1833 | sbus_writel(bus_addr, base->regs + base->dir + APCNVA); | |
1834 | sbus_writel(len, base->regs + base->dir + APCNC); | |
1835 | out: | |
1836 | spin_unlock_irqrestore(&base->lock, flags); | |
1837 | return err; | |
1838 | } | |
1839 | ||
be9b7e8c | 1840 | static void sbus_dma_prepare(struct cs4231_dma_control *dma_cont, int d) |
b128254f GC |
1841 | { |
1842 | unsigned long flags; | |
1843 | u32 csr, test; | |
be9b7e8c | 1844 | struct sbus_dma_info *base = &dma_cont->sbus_info; |
b128254f GC |
1845 | |
1846 | spin_lock_irqsave(&base->lock, flags); | |
1847 | csr = sbus_readl(base->regs + APCCSR); | |
1848 | test = APC_GENL_INT | APC_PLAY_INT | APC_XINT_ENA | | |
1849 | APC_XINT_PLAY | APC_XINT_PEMP | APC_XINT_GENL | | |
1850 | APC_XINT_PENA; | |
1851 | if ( base->dir == APC_RECORD ) | |
1852 | test = APC_GENL_INT | APC_CAPT_INT | APC_XINT_ENA | | |
1853 | APC_XINT_CAPT | APC_XINT_CEMP | APC_XINT_GENL; | |
1854 | csr |= test; | |
1855 | sbus_writel(csr, base->regs + APCCSR); | |
1856 | spin_unlock_irqrestore(&base->lock, flags); | |
1857 | } | |
1858 | ||
be9b7e8c | 1859 | static void sbus_dma_enable(struct cs4231_dma_control *dma_cont, int on) |
b128254f GC |
1860 | { |
1861 | unsigned long flags; | |
1862 | u32 csr, shift; | |
be9b7e8c | 1863 | struct sbus_dma_info *base = &dma_cont->sbus_info; |
b128254f GC |
1864 | |
1865 | spin_lock_irqsave(&base->lock, flags); | |
1866 | if (!on) { | |
1867 | if (base->dir == APC_PLAY) { | |
1868 | sbus_writel(0, base->regs + base->dir + APCNVA); | |
1869 | sbus_writel(1, base->regs + base->dir + APCC); | |
1870 | } | |
1871 | else | |
1872 | { | |
1873 | sbus_writel(0, base->regs + base->dir + APCNC); | |
1874 | sbus_writel(0, base->regs + base->dir + APCVA); | |
1875 | } | |
1876 | } | |
1877 | udelay(600); | |
1878 | csr = sbus_readl(base->regs + APCCSR); | |
1879 | shift = 0; | |
1880 | if ( base->dir == APC_PLAY ) | |
1881 | shift = 1; | |
1882 | if (on) | |
1883 | csr &= ~(APC_CPAUSE << shift); | |
1884 | else | |
1885 | csr |= (APC_CPAUSE << shift); | |
1886 | sbus_writel(csr, base->regs + APCCSR); | |
1887 | if (on) | |
1888 | csr |= (APC_CDMA_READY << shift); | |
1889 | else | |
1890 | csr &= ~(APC_CDMA_READY << shift); | |
1891 | sbus_writel(csr, base->regs + APCCSR); | |
1892 | ||
1893 | spin_unlock_irqrestore(&base->lock, flags); | |
1894 | } | |
1895 | ||
be9b7e8c | 1896 | static unsigned int sbus_dma_addr(struct cs4231_dma_control *dma_cont) |
b128254f | 1897 | { |
be9b7e8c | 1898 | struct sbus_dma_info *base = &dma_cont->sbus_info; |
b128254f GC |
1899 | |
1900 | return sbus_readl(base->regs + base->dir + APCVA); | |
1901 | } | |
1902 | ||
be9b7e8c | 1903 | static void sbus_dma_reset(struct snd_cs4231 *chip) |
b128254f GC |
1904 | { |
1905 | sbus_writel(APC_CHIP_RESET, chip->port + APCCSR); | |
1906 | sbus_writel(0x00, chip->port + APCCSR); | |
1907 | sbus_writel(sbus_readl(chip->port + APCCSR) | APC_CDC_RESET, | |
1908 | chip->port + APCCSR); | |
1909 | ||
1910 | udelay(20); | |
1911 | ||
1912 | sbus_writel(sbus_readl(chip->port + APCCSR) & ~APC_CDC_RESET, | |
1913 | chip->port + APCCSR); | |
1914 | sbus_writel(sbus_readl(chip->port + APCCSR) | (APC_XINT_ENA | | |
1915 | APC_XINT_PENA | | |
1916 | APC_XINT_CENA), | |
1917 | chip->port + APCCSR); | |
1918 | } | |
1919 | ||
be9b7e8c | 1920 | static void sbus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm) |
b128254f GC |
1921 | { |
1922 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_SBUS, | |
1923 | snd_dma_sbus_data(chip->dev_u.sdev), | |
1924 | 64*1024, 128*1024); | |
1925 | } | |
1926 | ||
1927 | /* | |
1928 | * Init and exit routines | |
1929 | */ | |
1930 | ||
be9b7e8c | 1931 | static int snd_cs4231_sbus_free(struct snd_cs4231 *chip) |
1da177e4 LT |
1932 | { |
1933 | if (chip->irq[0]) | |
1934 | free_irq(chip->irq[0], chip); | |
1935 | ||
1936 | if (chip->port) | |
1937 | sbus_iounmap(chip->port, chip->regs_size); | |
1938 | ||
1da177e4 LT |
1939 | kfree(chip); |
1940 | ||
1941 | return 0; | |
1942 | } | |
1943 | ||
be9b7e8c | 1944 | static int snd_cs4231_sbus_dev_free(struct snd_device *device) |
1da177e4 | 1945 | { |
be9b7e8c | 1946 | struct snd_cs4231 *cp = device->device_data; |
1da177e4 LT |
1947 | |
1948 | return snd_cs4231_sbus_free(cp); | |
1949 | } | |
1950 | ||
be9b7e8c | 1951 | static struct snd_device_ops snd_cs4231_sbus_dev_ops = { |
1da177e4 LT |
1952 | .dev_free = snd_cs4231_sbus_dev_free, |
1953 | }; | |
1954 | ||
be9b7e8c | 1955 | static int __init snd_cs4231_sbus_create(struct snd_card *card, |
1da177e4 LT |
1956 | struct sbus_dev *sdev, |
1957 | int dev, | |
be9b7e8c | 1958 | struct snd_cs4231 **rchip) |
1da177e4 | 1959 | { |
be9b7e8c | 1960 | struct snd_cs4231 *chip; |
1da177e4 LT |
1961 | int err; |
1962 | ||
1963 | *rchip = NULL; | |
561b220a | 1964 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
1da177e4 LT |
1965 | if (chip == NULL) |
1966 | return -ENOMEM; | |
1967 | ||
1968 | spin_lock_init(&chip->lock); | |
b128254f GC |
1969 | spin_lock_init(&chip->c_dma.sbus_info.lock); |
1970 | spin_lock_init(&chip->p_dma.sbus_info.lock); | |
1da177e4 LT |
1971 | init_MUTEX(&chip->mce_mutex); |
1972 | init_MUTEX(&chip->open_mutex); | |
1973 | chip->card = card; | |
1974 | chip->dev_u.sdev = sdev; | |
1975 | chip->regs_size = sdev->reg_addrs[0].reg_size; | |
1976 | memcpy(&chip->image, &snd_cs4231_original_image, | |
1977 | sizeof(snd_cs4231_original_image)); | |
1978 | ||
1979 | chip->port = sbus_ioremap(&sdev->resource[0], 0, | |
1980 | chip->regs_size, "cs4231"); | |
1981 | if (!chip->port) { | |
a131430c | 1982 | snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev); |
1da177e4 LT |
1983 | return -EIO; |
1984 | } | |
1985 | ||
b128254f GC |
1986 | chip->c_dma.sbus_info.regs = chip->port; |
1987 | chip->p_dma.sbus_info.regs = chip->port; | |
1988 | chip->c_dma.sbus_info.dir = APC_RECORD; | |
1989 | chip->p_dma.sbus_info.dir = APC_PLAY; | |
1990 | ||
1991 | chip->p_dma.prepare = sbus_dma_prepare; | |
1992 | chip->p_dma.enable = sbus_dma_enable; | |
1993 | chip->p_dma.request = sbus_dma_request; | |
1994 | chip->p_dma.address = sbus_dma_addr; | |
1995 | chip->p_dma.reset = sbus_dma_reset; | |
1996 | chip->p_dma.preallocate = sbus_dma_preallocate; | |
1997 | ||
1998 | chip->c_dma.prepare = sbus_dma_prepare; | |
1999 | chip->c_dma.enable = sbus_dma_enable; | |
2000 | chip->c_dma.request = sbus_dma_request; | |
2001 | chip->c_dma.address = sbus_dma_addr; | |
2002 | chip->c_dma.reset = sbus_dma_reset; | |
2003 | chip->c_dma.preallocate = sbus_dma_preallocate; | |
5a820fa7 | 2004 | |
1da177e4 LT |
2005 | if (request_irq(sdev->irqs[0], snd_cs4231_sbus_interrupt, |
2006 | SA_SHIRQ, "cs4231", chip)) { | |
a131430c | 2007 | snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %s\n", |
1da177e4 LT |
2008 | dev, |
2009 | __irq_itoa(sdev->irqs[0])); | |
2010 | snd_cs4231_sbus_free(chip); | |
2011 | return -EBUSY; | |
2012 | } | |
2013 | chip->irq[0] = sdev->irqs[0]; | |
2014 | ||
2015 | if (snd_cs4231_probe(chip) < 0) { | |
2016 | snd_cs4231_sbus_free(chip); | |
2017 | return -ENODEV; | |
2018 | } | |
2019 | snd_cs4231_init(chip); | |
2020 | ||
2021 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, | |
2022 | chip, &snd_cs4231_sbus_dev_ops)) < 0) { | |
2023 | snd_cs4231_sbus_free(chip); | |
2024 | return err; | |
2025 | } | |
2026 | ||
2027 | *rchip = chip; | |
2028 | return 0; | |
2029 | } | |
2030 | ||
be9b7e8c | 2031 | static int __init cs4231_sbus_attach(struct sbus_dev *sdev) |
1da177e4 LT |
2032 | { |
2033 | struct resource *rp = &sdev->resource[0]; | |
be9b7e8c TI |
2034 | struct snd_cs4231 *cp; |
2035 | struct snd_card *card; | |
1da177e4 LT |
2036 | int err; |
2037 | ||
2038 | err = cs4231_attach_begin(&card); | |
2039 | if (err) | |
2040 | return err; | |
2041 | ||
2042 | sprintf(card->longname, "%s at 0x%02lx:0x%08lx, irq %s", | |
2043 | card->shortname, | |
2044 | rp->flags & 0xffL, | |
2045 | rp->start, | |
2046 | __irq_itoa(sdev->irqs[0])); | |
2047 | ||
2048 | if ((err = snd_cs4231_sbus_create(card, sdev, dev, &cp)) < 0) { | |
2049 | snd_card_free(card); | |
2050 | return err; | |
2051 | } | |
2052 | ||
2053 | return cs4231_attach_finish(card, cp); | |
2054 | } | |
2055 | #endif | |
2056 | ||
2057 | #ifdef EBUS_SUPPORT | |
b128254f GC |
2058 | |
2059 | static void snd_cs4231_ebus_play_callback(struct ebus_dma_info *p, int event, void *cookie) | |
2060 | { | |
be9b7e8c | 2061 | struct snd_cs4231 *chip = cookie; |
b128254f GC |
2062 | |
2063 | snd_cs4231_play_callback(chip); | |
2064 | } | |
2065 | ||
2066 | static void snd_cs4231_ebus_capture_callback(struct ebus_dma_info *p, int event, void *cookie) | |
2067 | { | |
be9b7e8c | 2068 | struct snd_cs4231 *chip = cookie; |
b128254f GC |
2069 | |
2070 | snd_cs4231_capture_callback(chip); | |
2071 | } | |
2072 | ||
2073 | /* | |
2074 | * EBUS DMA wrappers | |
2075 | */ | |
2076 | ||
be9b7e8c | 2077 | static int _ebus_dma_request(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len) |
b128254f GC |
2078 | { |
2079 | return ebus_dma_request(&dma_cont->ebus_info, bus_addr, len); | |
2080 | } | |
2081 | ||
be9b7e8c | 2082 | static void _ebus_dma_enable(struct cs4231_dma_control *dma_cont, int on) |
b128254f GC |
2083 | { |
2084 | ebus_dma_enable(&dma_cont->ebus_info, on); | |
2085 | } | |
2086 | ||
be9b7e8c | 2087 | static void _ebus_dma_prepare(struct cs4231_dma_control *dma_cont, int dir) |
b128254f GC |
2088 | { |
2089 | ebus_dma_prepare(&dma_cont->ebus_info, dir); | |
2090 | } | |
2091 | ||
be9b7e8c | 2092 | static unsigned int _ebus_dma_addr(struct cs4231_dma_control *dma_cont) |
b128254f GC |
2093 | { |
2094 | return ebus_dma_addr(&dma_cont->ebus_info); | |
2095 | } | |
2096 | ||
be9b7e8c | 2097 | static void _ebus_dma_reset(struct snd_cs4231 *chip) |
b128254f GC |
2098 | { |
2099 | return; | |
2100 | } | |
2101 | ||
be9b7e8c | 2102 | static void _ebus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm) |
b128254f GC |
2103 | { |
2104 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | |
2105 | snd_dma_pci_data(chip->dev_u.pdev), | |
2106 | 64*1024, 128*1024); | |
2107 | } | |
2108 | ||
2109 | /* | |
2110 | * Init and exit routines | |
2111 | */ | |
2112 | ||
be9b7e8c | 2113 | static int snd_cs4231_ebus_free(struct snd_cs4231 *chip) |
1da177e4 | 2114 | { |
b128254f GC |
2115 | if (chip->c_dma.ebus_info.regs) { |
2116 | ebus_dma_unregister(&chip->c_dma.ebus_info); | |
2117 | iounmap(chip->c_dma.ebus_info.regs); | |
1da177e4 | 2118 | } |
b128254f GC |
2119 | if (chip->p_dma.ebus_info.regs) { |
2120 | ebus_dma_unregister(&chip->p_dma.ebus_info); | |
2121 | iounmap(chip->p_dma.ebus_info.regs); | |
1da177e4 LT |
2122 | } |
2123 | ||
2124 | if (chip->port) | |
2125 | iounmap(chip->port); | |
1da177e4 LT |
2126 | |
2127 | kfree(chip); | |
2128 | ||
2129 | return 0; | |
2130 | } | |
2131 | ||
be9b7e8c | 2132 | static int snd_cs4231_ebus_dev_free(struct snd_device *device) |
1da177e4 | 2133 | { |
be9b7e8c | 2134 | struct snd_cs4231 *cp = device->device_data; |
1da177e4 LT |
2135 | |
2136 | return snd_cs4231_ebus_free(cp); | |
2137 | } | |
2138 | ||
be9b7e8c | 2139 | static struct snd_device_ops snd_cs4231_ebus_dev_ops = { |
1da177e4 LT |
2140 | .dev_free = snd_cs4231_ebus_dev_free, |
2141 | }; | |
2142 | ||
be9b7e8c | 2143 | static int __init snd_cs4231_ebus_create(struct snd_card *card, |
1da177e4 LT |
2144 | struct linux_ebus_device *edev, |
2145 | int dev, | |
be9b7e8c | 2146 | struct snd_cs4231 **rchip) |
1da177e4 | 2147 | { |
be9b7e8c | 2148 | struct snd_cs4231 *chip; |
1da177e4 LT |
2149 | int err; |
2150 | ||
2151 | *rchip = NULL; | |
561b220a | 2152 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
1da177e4 LT |
2153 | if (chip == NULL) |
2154 | return -ENOMEM; | |
2155 | ||
2156 | spin_lock_init(&chip->lock); | |
b128254f GC |
2157 | spin_lock_init(&chip->c_dma.ebus_info.lock); |
2158 | spin_lock_init(&chip->p_dma.ebus_info.lock); | |
1da177e4 LT |
2159 | init_MUTEX(&chip->mce_mutex); |
2160 | init_MUTEX(&chip->open_mutex); | |
2161 | chip->flags |= CS4231_FLAG_EBUS; | |
2162 | chip->card = card; | |
2163 | chip->dev_u.pdev = edev->bus->self; | |
2164 | memcpy(&chip->image, &snd_cs4231_original_image, | |
2165 | sizeof(snd_cs4231_original_image)); | |
b128254f GC |
2166 | strcpy(chip->c_dma.ebus_info.name, "cs4231(capture)"); |
2167 | chip->c_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER; | |
2168 | chip->c_dma.ebus_info.callback = snd_cs4231_ebus_capture_callback; | |
2169 | chip->c_dma.ebus_info.client_cookie = chip; | |
2170 | chip->c_dma.ebus_info.irq = edev->irqs[0]; | |
2171 | strcpy(chip->p_dma.ebus_info.name, "cs4231(play)"); | |
2172 | chip->p_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER; | |
2173 | chip->p_dma.ebus_info.callback = snd_cs4231_ebus_play_callback; | |
2174 | chip->p_dma.ebus_info.client_cookie = chip; | |
2175 | chip->p_dma.ebus_info.irq = edev->irqs[1]; | |
2176 | ||
2177 | chip->p_dma.prepare = _ebus_dma_prepare; | |
2178 | chip->p_dma.enable = _ebus_dma_enable; | |
2179 | chip->p_dma.request = _ebus_dma_request; | |
2180 | chip->p_dma.address = _ebus_dma_addr; | |
2181 | chip->p_dma.reset = _ebus_dma_reset; | |
2182 | chip->p_dma.preallocate = _ebus_dma_preallocate; | |
2183 | ||
2184 | chip->c_dma.prepare = _ebus_dma_prepare; | |
2185 | chip->c_dma.enable = _ebus_dma_enable; | |
2186 | chip->c_dma.request = _ebus_dma_request; | |
2187 | chip->c_dma.address = _ebus_dma_addr; | |
2188 | chip->c_dma.reset = _ebus_dma_reset; | |
2189 | chip->c_dma.preallocate = _ebus_dma_preallocate; | |
1da177e4 LT |
2190 | |
2191 | chip->port = ioremap(edev->resource[0].start, 0x10); | |
b128254f GC |
2192 | chip->p_dma.ebus_info.regs = ioremap(edev->resource[1].start, 0x10); |
2193 | chip->c_dma.ebus_info.regs = ioremap(edev->resource[2].start, 0x10); | |
2194 | if (!chip->port || !chip->p_dma.ebus_info.regs || !chip->c_dma.ebus_info.regs) { | |
1da177e4 | 2195 | snd_cs4231_ebus_free(chip); |
a131430c | 2196 | snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev); |
1da177e4 LT |
2197 | return -EIO; |
2198 | } | |
2199 | ||
b128254f | 2200 | if (ebus_dma_register(&chip->c_dma.ebus_info)) { |
1da177e4 | 2201 | snd_cs4231_ebus_free(chip); |
a131430c | 2202 | snd_printdd("cs4231-%d: Unable to register EBUS capture DMA\n", dev); |
1da177e4 LT |
2203 | return -EBUSY; |
2204 | } | |
b128254f | 2205 | if (ebus_dma_irq_enable(&chip->c_dma.ebus_info, 1)) { |
1da177e4 | 2206 | snd_cs4231_ebus_free(chip); |
a131430c | 2207 | snd_printdd("cs4231-%d: Unable to enable EBUS capture IRQ\n", dev); |
1da177e4 LT |
2208 | return -EBUSY; |
2209 | } | |
2210 | ||
b128254f | 2211 | if (ebus_dma_register(&chip->p_dma.ebus_info)) { |
1da177e4 | 2212 | snd_cs4231_ebus_free(chip); |
a131430c | 2213 | snd_printdd("cs4231-%d: Unable to register EBUS play DMA\n", dev); |
1da177e4 LT |
2214 | return -EBUSY; |
2215 | } | |
b128254f | 2216 | if (ebus_dma_irq_enable(&chip->p_dma.ebus_info, 1)) { |
1da177e4 | 2217 | snd_cs4231_ebus_free(chip); |
a131430c | 2218 | snd_printdd("cs4231-%d: Unable to enable EBUS play IRQ\n", dev); |
1da177e4 LT |
2219 | return -EBUSY; |
2220 | } | |
2221 | ||
2222 | if (snd_cs4231_probe(chip) < 0) { | |
2223 | snd_cs4231_ebus_free(chip); | |
2224 | return -ENODEV; | |
2225 | } | |
2226 | snd_cs4231_init(chip); | |
2227 | ||
2228 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, | |
2229 | chip, &snd_cs4231_ebus_dev_ops)) < 0) { | |
2230 | snd_cs4231_ebus_free(chip); | |
2231 | return err; | |
2232 | } | |
2233 | ||
2234 | *rchip = chip; | |
2235 | return 0; | |
2236 | } | |
2237 | ||
be9b7e8c | 2238 | static int __init cs4231_ebus_attach(struct linux_ebus_device *edev) |
1da177e4 | 2239 | { |
be9b7e8c TI |
2240 | struct snd_card *card; |
2241 | struct snd_cs4231 *chip; | |
1da177e4 LT |
2242 | int err; |
2243 | ||
2244 | err = cs4231_attach_begin(&card); | |
2245 | if (err) | |
2246 | return err; | |
2247 | ||
2248 | sprintf(card->longname, "%s at 0x%lx, irq %s", | |
2249 | card->shortname, | |
2250 | edev->resource[0].start, | |
2251 | __irq_itoa(edev->irqs[0])); | |
2252 | ||
2253 | if ((err = snd_cs4231_ebus_create(card, edev, dev, &chip)) < 0) { | |
2254 | snd_card_free(card); | |
2255 | return err; | |
2256 | } | |
2257 | ||
2258 | return cs4231_attach_finish(card, chip); | |
2259 | } | |
2260 | #endif | |
2261 | ||
2262 | static int __init cs4231_init(void) | |
2263 | { | |
2264 | #ifdef SBUS_SUPPORT | |
2265 | struct sbus_bus *sbus; | |
2266 | struct sbus_dev *sdev; | |
2267 | #endif | |
2268 | #ifdef EBUS_SUPPORT | |
2269 | struct linux_ebus *ebus; | |
2270 | struct linux_ebus_device *edev; | |
2271 | #endif | |
2272 | int found; | |
2273 | ||
2274 | found = 0; | |
2275 | ||
2276 | #ifdef SBUS_SUPPORT | |
2277 | for_all_sbusdev(sdev, sbus) { | |
2278 | if (!strcmp(sdev->prom_name, "SUNW,CS4231")) { | |
2279 | if (cs4231_sbus_attach(sdev) == 0) | |
2280 | found++; | |
2281 | } | |
2282 | } | |
2283 | #endif | |
2284 | #ifdef EBUS_SUPPORT | |
2285 | for_each_ebus(ebus) { | |
2286 | for_each_ebusdev(edev, ebus) { | |
2287 | int match = 0; | |
2288 | ||
2289 | if (!strcmp(edev->prom_name, "SUNW,CS4231")) { | |
2290 | match = 1; | |
2291 | } else if (!strcmp(edev->prom_name, "audio")) { | |
2292 | char compat[16]; | |
2293 | ||
2294 | prom_getstring(edev->prom_node, "compatible", | |
2295 | compat, sizeof(compat)); | |
2296 | compat[15] = '\0'; | |
2297 | if (!strcmp(compat, "SUNW,CS4231")) | |
2298 | match = 1; | |
2299 | } | |
2300 | ||
2301 | if (match && | |
2302 | cs4231_ebus_attach(edev) == 0) | |
2303 | found++; | |
2304 | } | |
2305 | } | |
2306 | #endif | |
2307 | ||
2308 | ||
2309 | return (found > 0) ? 0 : -EIO; | |
2310 | } | |
2311 | ||
2312 | static void __exit cs4231_exit(void) | |
2313 | { | |
be9b7e8c | 2314 | struct snd_cs4231 *p = cs4231_list; |
1da177e4 LT |
2315 | |
2316 | while (p != NULL) { | |
be9b7e8c | 2317 | struct snd_cs4231 *next = p->next; |
1da177e4 LT |
2318 | |
2319 | snd_card_free(p->card); | |
2320 | ||
2321 | p = next; | |
2322 | } | |
2323 | ||
2324 | cs4231_list = NULL; | |
2325 | } | |
2326 | ||
2327 | module_init(cs4231_init); | |
2328 | module_exit(cs4231_exit); |