Commit | Line | Data |
---|---|---|
5f7591c0 | 1 | /* |
bd15eba3 | 2 | * SAA713x ALSA support for V4L |
5f7591c0 | 3 | * |
bd15eba3 RC |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation, version 2 | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
5f7591c0 | 16 | * |
5f7591c0 NS |
17 | */ |
18 | ||
bd15eba3 RC |
19 | #include <linux/init.h> |
20 | #include <linux/slab.h> | |
21 | #include <linux/time.h> | |
22 | #include <linux/wait.h> | |
bd15eba3 | 23 | #include <linux/module.h> |
d21838dd | 24 | #include <sound/driver.h> |
5f7591c0 | 25 | #include <sound/core.h> |
5f7591c0 | 26 | #include <sound/control.h> |
bd15eba3 | 27 | #include <sound/pcm.h> |
d5ee43af | 28 | #include <sound/pcm_params.h> |
5f7591c0 | 29 | #include <sound/initval.h> |
871242b9 | 30 | #include <linux/interrupt.h> |
5f7591c0 NS |
31 | |
32 | #include "saa7134.h" | |
33 | #include "saa7134-reg.h" | |
34 | ||
79dd0c69 RC |
35 | static unsigned int debug = 0; |
36 | module_param(debug, int, 0644); | |
37 | MODULE_PARM_DESC(debug,"enable debug messages [alsa]"); | |
38 | ||
b2c15ea9 RC |
39 | /* |
40 | * Configuration macros | |
41 | */ | |
42 | ||
bd15eba3 | 43 | /* defaults */ |
b2c15ea9 RC |
44 | #define MIXER_ADDR_TVTUNER 0 |
45 | #define MIXER_ADDR_LINE1 1 | |
46 | #define MIXER_ADDR_LINE2 2 | |
47 | #define MIXER_ADDR_LAST 2 | |
5f7591c0 | 48 | |
674434c6 | 49 | |
bd15eba3 RC |
50 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
51 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
ede22415 | 52 | static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1}; |
bd15eba3 | 53 | |
b54134be | 54 | module_param_array(index, int, NULL, 0444); |
ede22415 | 55 | module_param_array(enable, int, NULL, 0444); |
b54134be | 56 | MODULE_PARM_DESC(index, "Index value for SAA7134 capture interface(s)."); |
ede22415 | 57 | MODULE_PARM_DESC(enable, "Enable (or not) the SAA7134 capture interface(s)."); |
b54134be | 58 | |
79dd0c69 | 59 | #define dprintk(fmt, arg...) if (debug) \ |
f85c657f | 60 | printk(KERN_DEBUG "%s/alsa: " fmt, dev->name , ##arg) |
674434c6 MCC |
61 | |
62 | ||
bd15eba3 | 63 | |
b2c15ea9 RC |
64 | /* |
65 | * Main chip structure | |
66 | */ | |
674434c6 | 67 | |
bd15eba3 | 68 | typedef struct snd_card_saa7134 { |
f7cbb7fc | 69 | struct snd_card *card; |
bd15eba3 RC |
70 | spinlock_t mixer_lock; |
71 | int mixer_volume[MIXER_ADDR_LAST+1][2]; | |
72 | int capture_source[MIXER_ADDR_LAST+1][2]; | |
4ac97914 | 73 | struct pci_dev *pci; |
4aabf633 | 74 | struct saa7134_dev *dev; |
bd15eba3 | 75 | |
4ac97914 | 76 | unsigned long iobase; |
aac0ca6a RB |
77 | s16 irq; |
78 | u16 mute_was_on; | |
bd15eba3 RC |
79 | |
80 | spinlock_t lock; | |
81 | } snd_card_saa7134_t; | |
82 | ||
07eef6ce NS |
83 | |
84 | ||
b2c15ea9 RC |
85 | /* |
86 | * PCM structure | |
87 | */ | |
88 | ||
bd15eba3 | 89 | typedef struct snd_card_saa7134_pcm { |
4aabf633 | 90 | struct saa7134_dev *dev; |
bd15eba3 RC |
91 | |
92 | spinlock_t lock; | |
4aabf633 | 93 | |
f7cbb7fc | 94 | struct snd_pcm_substream *substream; |
bd15eba3 | 95 | } snd_card_saa7134_pcm_t; |
5f7591c0 | 96 | |
f7cbb7fc | 97 | static struct snd_card *snd_saa7134_cards[SNDRV_CARDS]; |
5f7591c0 | 98 | |
79dd0c69 | 99 | |
b2c15ea9 RC |
100 | /* |
101 | * saa7134 DMA audio stop | |
102 | * | |
103 | * Called when the capture device is released or the buffer overflows | |
104 | * | |
c817e763 | 105 | * - Copied verbatim from saa7134-oss's dsp_dma_stop. |
b2c15ea9 RC |
106 | * |
107 | */ | |
108 | ||
bd15eba3 RC |
109 | static void saa7134_dma_stop(struct saa7134_dev *dev) |
110 | { | |
b54134be RC |
111 | dev->dmasound.dma_blk = -1; |
112 | dev->dmasound.dma_running = 0; | |
4ac97914 | 113 | saa7134_set_dmabits(dev); |
bd15eba3 | 114 | } |
5f7591c0 | 115 | |
b2c15ea9 RC |
116 | /* |
117 | * saa7134 DMA audio start | |
118 | * | |
119 | * Called when preparing the capture device for use | |
120 | * | |
c817e763 | 121 | * - Copied verbatim from saa7134-oss's dsp_dma_start. |
b2c15ea9 RC |
122 | * |
123 | */ | |
124 | ||
bd15eba3 RC |
125 | static void saa7134_dma_start(struct saa7134_dev *dev) |
126 | { | |
b54134be RC |
127 | dev->dmasound.dma_blk = 0; |
128 | dev->dmasound.dma_running = 1; | |
4ac97914 | 129 | saa7134_set_dmabits(dev); |
bd15eba3 | 130 | } |
5f7591c0 | 131 | |
b2c15ea9 RC |
132 | /* |
133 | * saa7134 audio DMA IRQ handler | |
134 | * | |
135 | * Called whenever we get an SAA7134_IRQ_REPORT_DONE_RA3 interrupt | |
136 | * Handles shifting between the 2 buffers, manages the read counters, | |
137 | * and notifies ALSA when periods elapse | |
138 | * | |
139 | * - Mostly copied from saa7134-oss's saa7134_irq_oss_done. | |
140 | * | |
141 | */ | |
142 | ||
943a4902 AB |
143 | static void saa7134_irq_alsa_done(struct saa7134_dev *dev, |
144 | unsigned long status) | |
bd15eba3 RC |
145 | { |
146 | int next_blk, reg = 0; | |
5f7591c0 | 147 | |
bd15eba3 | 148 | spin_lock(&dev->slock); |
b54134be | 149 | if (UNSET == dev->dmasound.dma_blk) { |
bd15eba3 RC |
150 | dprintk("irq: recording stopped\n"); |
151 | goto done; | |
152 | } | |
153 | if (0 != (status & 0x0f000000)) | |
154 | dprintk("irq: lost %ld\n", (status >> 24) & 0x0f); | |
155 | if (0 == (status & 0x10000000)) { | |
156 | /* odd */ | |
b54134be | 157 | if (0 == (dev->dmasound.dma_blk & 0x01)) |
bd15eba3 RC |
158 | reg = SAA7134_RS_BA1(6); |
159 | } else { | |
160 | /* even */ | |
b54134be | 161 | if (1 == (dev->dmasound.dma_blk & 0x01)) |
bd15eba3 RC |
162 | reg = SAA7134_RS_BA2(6); |
163 | } | |
164 | if (0 == reg) { | |
165 | dprintk("irq: field oops [%s]\n", | |
166 | (status & 0x10000000) ? "even" : "odd"); | |
167 | goto done; | |
168 | } | |
5f7591c0 | 169 | |
b54134be RC |
170 | if (dev->dmasound.read_count >= dev->dmasound.blksize * (dev->dmasound.blocks-2)) { |
171 | dprintk("irq: overrun [full=%d/%d] - Blocks in %d\n",dev->dmasound.read_count, | |
172 | dev->dmasound.bufsize, dev->dmasound.blocks); | |
d5ee43af | 173 | spin_unlock(&dev->slock); |
b54134be | 174 | snd_pcm_stop(dev->dmasound.substream,SNDRV_PCM_STATE_XRUN); |
d5ee43af | 175 | return; |
bd15eba3 | 176 | } |
5f7591c0 | 177 | |
4ac97914 | 178 | /* next block addr */ |
b54134be RC |
179 | next_blk = (dev->dmasound.dma_blk + 2) % dev->dmasound.blocks; |
180 | saa_writel(reg,next_blk * dev->dmasound.blksize); | |
79dd0c69 | 181 | if (debug > 2) |
4ac97914 MCC |
182 | dprintk("irq: ok, %s, next_blk=%d, addr=%x, blocks=%u, size=%u, read=%u\n", |
183 | (status & 0x10000000) ? "even" : "odd ", next_blk, | |
b54134be | 184 | next_blk * dev->dmasound.blksize, dev->dmasound.blocks, dev->dmasound.blksize, dev->dmasound.read_count); |
5f7591c0 | 185 | |
4ac97914 | 186 | /* update status & wake waiting readers */ |
b54134be RC |
187 | dev->dmasound.dma_blk = (dev->dmasound.dma_blk + 1) % dev->dmasound.blocks; |
188 | dev->dmasound.read_count += dev->dmasound.blksize; | |
5f7591c0 | 189 | |
b54134be | 190 | dev->dmasound.recording_on = reg; |
5f7591c0 | 191 | |
b54134be | 192 | if (dev->dmasound.read_count >= snd_pcm_lib_period_bytes(dev->dmasound.substream)) { |
4ac97914 | 193 | spin_unlock(&dev->slock); |
b54134be | 194 | snd_pcm_period_elapsed(dev->dmasound.substream); |
4ac97914 | 195 | spin_lock(&dev->slock); |
bd15eba3 | 196 | } |
4aabf633 | 197 | |
bd15eba3 | 198 | done: |
4ac97914 | 199 | spin_unlock(&dev->slock); |
5f7591c0 | 200 | |
bd15eba3 | 201 | } |
5f7591c0 | 202 | |
79dd0c69 RC |
203 | /* |
204 | * IRQ request handler | |
205 | * | |
206 | * Runs along with saa7134's IRQ handler, discards anything that isn't | |
207 | * DMA sound | |
208 | * | |
209 | */ | |
210 | ||
7d12e780 | 211 | static irqreturn_t saa7134_alsa_irq(int irq, void *dev_id) |
79dd0c69 | 212 | { |
afd1a0c9 MCC |
213 | struct saa7134_dmasound *dmasound = dev_id; |
214 | struct saa7134_dev *dev = dmasound->priv_data; | |
4aabf633 | 215 | |
79dd0c69 RC |
216 | unsigned long report, status; |
217 | int loop, handled = 0; | |
218 | ||
219 | for (loop = 0; loop < 10; loop++) { | |
220 | report = saa_readl(SAA7134_IRQ_REPORT); | |
221 | status = saa_readl(SAA7134_IRQ_STATUS); | |
222 | ||
223 | if (report & SAA7134_IRQ_REPORT_DONE_RA3) { | |
224 | handled = 1; | |
225 | saa_writel(SAA7134_IRQ_REPORT,report); | |
226 | saa7134_irq_alsa_done(dev, status); | |
227 | } else { | |
228 | goto out; | |
229 | } | |
230 | } | |
231 | ||
232 | if (loop == 10) { | |
233 | dprintk("error! looping IRQ!"); | |
234 | } | |
235 | ||
236 | out: | |
237 | return IRQ_RETVAL(handled); | |
238 | } | |
239 | ||
b2c15ea9 RC |
240 | /* |
241 | * ALSA capture trigger | |
242 | * | |
243 | * - One of the ALSA capture callbacks. | |
244 | * | |
245 | * Called whenever a capture is started or stopped. Must be defined, | |
246 | * but there's nothing we want to do here | |
247 | * | |
248 | */ | |
5f7591c0 | 249 | |
f7cbb7fc | 250 | static int snd_card_saa7134_capture_trigger(struct snd_pcm_substream * substream, |
bd15eba3 | 251 | int cmd) |
5f7591c0 | 252 | { |
f7cbb7fc | 253 | struct snd_pcm_runtime *runtime = substream->runtime; |
4aabf633 RC |
254 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
255 | struct saa7134_dev *dev=pcm->dev; | |
b54134be RC |
256 | int err = 0; |
257 | ||
d5ee43af | 258 | spin_lock(&dev->slock); |
c817e763 | 259 | if (cmd == SNDRV_PCM_TRIGGER_START) { |
b54134be RC |
260 | /* start dma */ |
261 | saa7134_dma_start(dev); | |
c817e763 | 262 | } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
b54134be RC |
263 | /* stop dma */ |
264 | saa7134_dma_stop(dev); | |
c817e763 RC |
265 | } else { |
266 | err = -EINVAL; | |
267 | } | |
d5ee43af | 268 | spin_unlock(&dev->slock); |
b54134be | 269 | |
c817e763 | 270 | return err; |
5f7591c0 NS |
271 | } |
272 | ||
b2c15ea9 RC |
273 | /* |
274 | * DMA buffer initialization | |
275 | * | |
276 | * Uses V4L functions to initialize the DMA. Shouldn't be necessary in | |
277 | * ALSA, but I was unable to use ALSA's own DMA, and had to force the | |
278 | * usage of V4L's | |
279 | * | |
c817e763 RC |
280 | * - Copied verbatim from saa7134-oss. |
281 | * | |
b2c15ea9 RC |
282 | */ |
283 | ||
bd15eba3 | 284 | static int dsp_buffer_init(struct saa7134_dev *dev) |
5f7591c0 | 285 | { |
4ac97914 MCC |
286 | int err; |
287 | ||
4aabf633 RC |
288 | BUG_ON(!dev->dmasound.bufsize); |
289 | ||
b54134be RC |
290 | videobuf_dma_init(&dev->dmasound.dma); |
291 | err = videobuf_dma_init_kernel(&dev->dmasound.dma, PCI_DMA_FROMDEVICE, | |
292 | (dev->dmasound.bufsize + PAGE_SIZE) >> PAGE_SHIFT); | |
4ac97914 MCC |
293 | if (0 != err) |
294 | return err; | |
295 | return 0; | |
5f7591c0 NS |
296 | } |
297 | ||
d5ee43af RC |
298 | /* |
299 | * DMA buffer release | |
300 | * | |
301 | * Called after closing the device, during snd_card_saa7134_capture_close | |
302 | * | |
303 | */ | |
304 | ||
305 | static int dsp_buffer_free(struct saa7134_dev *dev) | |
306 | { | |
ae24601b | 307 | BUG_ON(!dev->dmasound.blksize); |
d5ee43af RC |
308 | |
309 | videobuf_dma_free(&dev->dmasound.dma); | |
310 | ||
311 | dev->dmasound.blocks = 0; | |
312 | dev->dmasound.blksize = 0; | |
313 | dev->dmasound.bufsize = 0; | |
314 | ||
b930e1d8 | 315 | return 0; |
d5ee43af RC |
316 | } |
317 | ||
318 | ||
b2c15ea9 RC |
319 | /* |
320 | * ALSA PCM preparation | |
321 | * | |
322 | * - One of the ALSA capture callbacks. | |
323 | * | |
324 | * Called right after the capture device is opened, this function configures | |
325 | * the buffer using the previously defined functions, allocates the memory, | |
326 | * sets up the hardware registers, and then starts the DMA. When this function | |
327 | * returns, the audio should be flowing. | |
328 | * | |
329 | */ | |
5f7591c0 | 330 | |
f7cbb7fc | 331 | static int snd_card_saa7134_capture_prepare(struct snd_pcm_substream * substream) |
5f7591c0 | 332 | { |
f7cbb7fc | 333 | struct snd_pcm_runtime *runtime = substream->runtime; |
d5ee43af | 334 | int bswap, sign; |
4ac97914 | 335 | u32 fmt, control; |
bd15eba3 | 336 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
4ac97914 | 337 | struct saa7134_dev *dev; |
4aabf633 | 338 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
bd15eba3 | 339 | |
4aabf633 | 340 | pcm->dev->dmasound.substream = substream; |
bd15eba3 | 341 | |
d5ee43af | 342 | dev = saa7134->dev; |
bd15eba3 | 343 | |
d5ee43af | 344 | if (snd_pcm_format_width(runtime->format) == 8) |
bd15eba3 | 345 | fmt = 0x00; |
d5ee43af | 346 | else |
bd15eba3 | 347 | fmt = 0x01; |
4ac97914 | 348 | |
d5ee43af | 349 | if (snd_pcm_format_signed(runtime->format)) |
bd15eba3 | 350 | sign = 1; |
d5ee43af | 351 | else |
bd15eba3 | 352 | sign = 0; |
bd15eba3 | 353 | |
d5ee43af RC |
354 | if (snd_pcm_format_big_endian(runtime->format)) |
355 | bswap = 1; | |
356 | else | |
357 | bswap = 0; | |
4ac97914 MCC |
358 | |
359 | switch (dev->pci->device) { | |
360 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
361 | if (1 == runtime->channels) | |
362 | fmt |= (1 << 3); | |
363 | if (2 == runtime->channels) | |
364 | fmt |= (3 << 3); | |
365 | if (sign) | |
366 | fmt |= 0x04; | |
367 | ||
b54134be RC |
368 | fmt |= (MIXER_ADDR_TVTUNER == dev->dmasound.input) ? 0xc0 : 0x80; |
369 | saa_writeb(SAA7134_NUM_SAMPLES0, ((dev->dmasound.blksize - 1) & 0x0000ff)); | |
370 | saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->dmasound.blksize - 1) & 0x00ff00) >> 8); | |
371 | saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->dmasound.blksize - 1) & 0xff0000) >> 16); | |
4ac97914 MCC |
372 | saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt); |
373 | ||
374 | break; | |
375 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
376 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
377 | if (1 == runtime->channels) | |
378 | fmt |= (1 << 4); | |
379 | if (2 == runtime->channels) | |
380 | fmt |= (2 << 4); | |
381 | if (!sign) | |
382 | fmt |= 0x04; | |
b54134be | 383 | saa_writel(SAA7133_NUM_SAMPLES, dev->dmasound.blksize -1); |
4ac97914 | 384 | saa_writel(SAA7133_AUDIO_CHANNEL, 0x543210 | (fmt << 24)); |
4ac97914 MCC |
385 | break; |
386 | } | |
387 | ||
388 | dprintk("rec_start: afmt=%d ch=%d => fmt=0x%x swap=%c\n", | |
389 | runtime->format, runtime->channels, fmt, | |
390 | bswap ? 'b' : '-'); | |
391 | /* dma: setup channel 6 (= AUDIO) */ | |
392 | control = SAA7134_RS_CONTROL_BURST_16 | | |
393 | SAA7134_RS_CONTROL_ME | | |
b54134be | 394 | (dev->dmasound.pt.dma >> 12); |
4ac97914 MCC |
395 | if (bswap) |
396 | control |= SAA7134_RS_CONTROL_BSWAP; | |
bd15eba3 | 397 | |
4ac97914 | 398 | saa_writel(SAA7134_RS_BA1(6),0); |
b54134be | 399 | saa_writel(SAA7134_RS_BA2(6),dev->dmasound.blksize); |
4ac97914 MCC |
400 | saa_writel(SAA7134_RS_PITCH(6),0); |
401 | saa_writel(SAA7134_RS_CONTROL(6),control); | |
bd15eba3 | 402 | |
b54134be | 403 | dev->dmasound.rate = runtime->rate; |
5f7591c0 | 404 | |
bd15eba3 | 405 | return 0; |
5f7591c0 | 406 | |
bd15eba3 | 407 | } |
5f7591c0 | 408 | |
b2c15ea9 RC |
409 | /* |
410 | * ALSA pointer fetching | |
411 | * | |
412 | * - One of the ALSA capture callbacks. | |
413 | * | |
414 | * Called whenever a period elapses, it must return the current hardware | |
415 | * position of the buffer. | |
416 | * Also resets the read counter used to prevent overruns | |
417 | * | |
418 | */ | |
5f7591c0 | 419 | |
f7cbb7fc TI |
420 | static snd_pcm_uframes_t |
421 | snd_card_saa7134_capture_pointer(struct snd_pcm_substream * substream) | |
5f7591c0 | 422 | { |
f7cbb7fc | 423 | struct snd_pcm_runtime *runtime = substream->runtime; |
4aabf633 RC |
424 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
425 | struct saa7134_dev *dev=pcm->dev; | |
5f7591c0 | 426 | |
b54134be RC |
427 | if (dev->dmasound.read_count) { |
428 | dev->dmasound.read_count -= snd_pcm_lib_period_bytes(substream); | |
429 | dev->dmasound.read_offset += snd_pcm_lib_period_bytes(substream); | |
430 | if (dev->dmasound.read_offset == dev->dmasound.bufsize) | |
431 | dev->dmasound.read_offset = 0; | |
bd15eba3 | 432 | } |
5f7591c0 | 433 | |
b54134be | 434 | return bytes_to_frames(runtime, dev->dmasound.read_offset); |
bd15eba3 | 435 | } |
5f7591c0 | 436 | |
b2c15ea9 RC |
437 | /* |
438 | * ALSA hardware capabilities definition | |
439 | */ | |
5f7591c0 | 440 | |
f7cbb7fc | 441 | static struct snd_pcm_hardware snd_card_saa7134_capture = |
5f7591c0 | 442 | { |
4ac97914 | 443 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
f2421ca3 MCC |
444 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
445 | SNDRV_PCM_INFO_MMAP_VALID), | |
b54134be RC |
446 | .formats = SNDRV_PCM_FMTBIT_S16_LE | \ |
447 | SNDRV_PCM_FMTBIT_S16_BE | \ | |
448 | SNDRV_PCM_FMTBIT_S8 | \ | |
449 | SNDRV_PCM_FMTBIT_U8 | \ | |
450 | SNDRV_PCM_FMTBIT_U16_LE | \ | |
451 | SNDRV_PCM_FMTBIT_U16_BE, | |
452 | .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000, | |
453 | .rate_min = 32000, | |
454 | .rate_max = 48000, | |
455 | .channels_min = 1, | |
456 | .channels_max = 2, | |
457 | .buffer_bytes_max = (256*1024), | |
bd15eba3 | 458 | .period_bytes_min = 64, |
b54134be | 459 | .period_bytes_max = (256*1024), |
174eb8e8 | 460 | .periods_min = 4, |
b54134be | 461 | .periods_max = 1024, |
bd15eba3 | 462 | }; |
5f7591c0 | 463 | |
f7cbb7fc | 464 | static void snd_card_saa7134_runtime_free(struct snd_pcm_runtime *runtime) |
bd15eba3 | 465 | { |
4aabf633 | 466 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
bd15eba3 | 467 | |
4aabf633 | 468 | kfree(pcm); |
5f7591c0 NS |
469 | } |
470 | ||
bd15eba3 | 471 | |
b2c15ea9 RC |
472 | /* |
473 | * ALSA hardware params | |
474 | * | |
475 | * - One of the ALSA capture callbacks. | |
476 | * | |
477 | * Called on initialization, right before the PCM preparation | |
b2c15ea9 RC |
478 | * |
479 | */ | |
480 | ||
f7cbb7fc TI |
481 | static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream, |
482 | struct snd_pcm_hw_params * hw_params) | |
5f7591c0 | 483 | { |
d5ee43af RC |
484 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
485 | struct saa7134_dev *dev; | |
486 | unsigned int period_size, periods; | |
487 | int err; | |
488 | ||
489 | period_size = params_period_bytes(hw_params); | |
490 | periods = params_periods(hw_params); | |
491 | ||
492 | snd_assert(period_size >= 0x100 && period_size <= 0x10000, | |
493 | return -EINVAL); | |
174eb8e8 | 494 | snd_assert(periods >= 4, return -EINVAL); |
d5ee43af RC |
495 | snd_assert(period_size * periods <= 1024 * 1024, return -EINVAL); |
496 | ||
497 | dev = saa7134->dev; | |
498 | ||
499 | if (dev->dmasound.blocks == periods && | |
500 | dev->dmasound.blksize == period_size) | |
501 | return 0; | |
502 | ||
503 | /* release the old buffer */ | |
504 | if (substream->runtime->dma_area) { | |
505 | saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); | |
c7b0ac05 | 506 | videobuf_pci_dma_unmap(dev->pci, &dev->dmasound.dma); |
d5ee43af RC |
507 | dsp_buffer_free(dev); |
508 | substream->runtime->dma_area = NULL; | |
509 | } | |
510 | dev->dmasound.blocks = periods; | |
511 | dev->dmasound.blksize = period_size; | |
512 | dev->dmasound.bufsize = period_size * periods; | |
513 | ||
514 | err = dsp_buffer_init(dev); | |
515 | if (0 != err) { | |
516 | dev->dmasound.blocks = 0; | |
517 | dev->dmasound.blksize = 0; | |
518 | dev->dmasound.bufsize = 0; | |
519 | return err; | |
520 | } | |
521 | ||
c7b0ac05 | 522 | if (0 != (err = videobuf_pci_dma_map(dev->pci, &dev->dmasound.dma))) { |
d5ee43af RC |
523 | dsp_buffer_free(dev); |
524 | return err; | |
525 | } | |
526 | if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->dmasound.pt))) { | |
c7b0ac05 | 527 | videobuf_pci_dma_unmap(dev->pci, &dev->dmasound.dma); |
d5ee43af RC |
528 | dsp_buffer_free(dev); |
529 | return err; | |
530 | } | |
531 | if (0 != (err = saa7134_pgtable_build(dev->pci,&dev->dmasound.pt, | |
532 | dev->dmasound.dma.sglist, | |
533 | dev->dmasound.dma.sglen, | |
534 | 0))) { | |
535 | saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); | |
c7b0ac05 | 536 | videobuf_pci_dma_unmap(dev->pci, &dev->dmasound.dma); |
d5ee43af RC |
537 | dsp_buffer_free(dev); |
538 | return err; | |
539 | } | |
540 | ||
541 | /* I should be able to use runtime->dma_addr in the control | |
542 | byte, but it doesn't work. So I allocate the DMA using the | |
543 | V4L functions, and force ALSA to use that as the DMA area */ | |
544 | ||
545 | substream->runtime->dma_area = dev->dmasound.dma.vmalloc; | |
32d111a9 AP |
546 | substream->runtime->dma_bytes = dev->dmasound.bufsize; |
547 | substream->runtime->dma_addr = 0; | |
d5ee43af | 548 | |
32d111a9 | 549 | return 0; |
bd15eba3 | 550 | |
5f7591c0 NS |
551 | } |
552 | ||
b2c15ea9 RC |
553 | /* |
554 | * ALSA hardware release | |
555 | * | |
556 | * - One of the ALSA capture callbacks. | |
557 | * | |
558 | * Called after closing the device, but before snd_card_saa7134_capture_close | |
d5ee43af | 559 | * It stops the DMA audio and releases the buffers. |
b2c15ea9 RC |
560 | * |
561 | */ | |
562 | ||
f7cbb7fc | 563 | static int snd_card_saa7134_hw_free(struct snd_pcm_substream * substream) |
5f7591c0 | 564 | { |
d5ee43af RC |
565 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
566 | struct saa7134_dev *dev; | |
5f7591c0 | 567 | |
d5ee43af | 568 | dev = saa7134->dev; |
5f7591c0 | 569 | |
d5ee43af RC |
570 | if (substream->runtime->dma_area) { |
571 | saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); | |
c7b0ac05 | 572 | videobuf_pci_dma_unmap(dev->pci, &dev->dmasound.dma); |
d5ee43af RC |
573 | dsp_buffer_free(dev); |
574 | substream->runtime->dma_area = NULL; | |
575 | } | |
bd15eba3 | 576 | |
4ac97914 | 577 | return 0; |
5f7591c0 NS |
578 | } |
579 | ||
b2c15ea9 RC |
580 | /* |
581 | * ALSA capture finish | |
582 | * | |
583 | * - One of the ALSA capture callbacks. | |
584 | * | |
d5ee43af | 585 | * Called after closing the device. |
b2c15ea9 RC |
586 | * |
587 | */ | |
bd15eba3 | 588 | |
f7cbb7fc | 589 | static int snd_card_saa7134_capture_close(struct snd_pcm_substream * substream) |
5f7591c0 | 590 | { |
dafcaaf8 RC |
591 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
592 | struct saa7134_dev *dev = saa7134->dev; | |
593 | ||
aac0ca6a RB |
594 | if (saa7134->mute_was_on) { |
595 | dev->ctl_mute = 1; | |
596 | saa7134_tvaudio_setmute(dev); | |
597 | } | |
4ac97914 | 598 | return 0; |
5f7591c0 NS |
599 | } |
600 | ||
b2c15ea9 RC |
601 | /* |
602 | * ALSA capture start | |
603 | * | |
604 | * - One of the ALSA capture callbacks. | |
605 | * | |
606 | * Called when opening the device. It creates and populates the PCM | |
607 | * structure | |
608 | * | |
609 | */ | |
5f7591c0 | 610 | |
f7cbb7fc | 611 | static int snd_card_saa7134_capture_open(struct snd_pcm_substream * substream) |
b2c15ea9 | 612 | { |
f7cbb7fc | 613 | struct snd_pcm_runtime *runtime = substream->runtime; |
4aabf633 | 614 | snd_card_saa7134_pcm_t *pcm; |
4ac97914 | 615 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
4aabf633 | 616 | struct saa7134_dev *dev = saa7134->dev; |
5cfbacd0 | 617 | int amux, err; |
5f7591c0 | 618 | |
3593cab5 | 619 | mutex_lock(&dev->dmasound.lock); |
5f7591c0 | 620 | |
b54134be RC |
621 | dev->dmasound.read_count = 0; |
622 | dev->dmasound.read_offset = 0; | |
bd15eba3 | 623 | |
5cfbacd0 HH |
624 | amux = dev->input->amux; |
625 | if ((amux < 1) || (amux > 3)) | |
626 | amux = 1; | |
627 | dev->dmasound.input = amux - 1; | |
628 | ||
3593cab5 | 629 | mutex_unlock(&dev->dmasound.lock); |
5f7591c0 | 630 | |
4aabf633 RC |
631 | pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); |
632 | if (pcm == NULL) | |
bd15eba3 | 633 | return -ENOMEM; |
bd15eba3 | 634 | |
4aabf633 RC |
635 | pcm->dev=saa7134->dev; |
636 | ||
637 | spin_lock_init(&pcm->lock); | |
bd15eba3 | 638 | |
4aabf633 RC |
639 | pcm->substream = substream; |
640 | runtime->private_data = pcm; | |
bd15eba3 RC |
641 | runtime->private_free = snd_card_saa7134_runtime_free; |
642 | runtime->hw = snd_card_saa7134_capture; | |
643 | ||
aac0ca6a RB |
644 | if (dev->ctl_mute != 0) { |
645 | saa7134->mute_was_on = 1; | |
646 | dev->ctl_mute = 0; | |
647 | saa7134_tvaudio_setmute(dev); | |
648 | } | |
dafcaaf8 | 649 | |
174eb8e8 HL |
650 | err = snd_pcm_hw_constraint_integer(runtime, |
651 | SNDRV_PCM_HW_PARAM_PERIODS); | |
652 | if (err < 0) | |
653 | return err; | |
654 | ||
655 | err = snd_pcm_hw_constraint_step(runtime, 0, | |
656 | SNDRV_PCM_HW_PARAM_PERIODS, 2); | |
657 | if (err < 0) | |
4ac97914 | 658 | return err; |
5f7591c0 NS |
659 | |
660 | return 0; | |
661 | } | |
662 | ||
32d111a9 AP |
663 | /* |
664 | * page callback (needed for mmap) | |
665 | */ | |
666 | ||
667 | static struct page *snd_card_saa7134_page(struct snd_pcm_substream *substream, | |
668 | unsigned long offset) | |
669 | { | |
670 | void *pageptr = substream->runtime->dma_area + offset; | |
671 | return vmalloc_to_page(pageptr); | |
672 | } | |
673 | ||
b2c15ea9 RC |
674 | /* |
675 | * ALSA capture callbacks definition | |
676 | */ | |
5f7591c0 | 677 | |
f7cbb7fc | 678 | static struct snd_pcm_ops snd_card_saa7134_capture_ops = { |
bd15eba3 RC |
679 | .open = snd_card_saa7134_capture_open, |
680 | .close = snd_card_saa7134_capture_close, | |
681 | .ioctl = snd_pcm_lib_ioctl, | |
682 | .hw_params = snd_card_saa7134_hw_params, | |
683 | .hw_free = snd_card_saa7134_hw_free, | |
684 | .prepare = snd_card_saa7134_capture_prepare, | |
685 | .trigger = snd_card_saa7134_capture_trigger, | |
686 | .pointer = snd_card_saa7134_capture_pointer, | |
32d111a9 | 687 | .page = snd_card_saa7134_page, |
5f7591c0 NS |
688 | }; |
689 | ||
b2c15ea9 RC |
690 | /* |
691 | * ALSA PCM setup | |
692 | * | |
693 | * Called when initializing the board. Sets up the name and hooks up | |
694 | * the callbacks | |
695 | * | |
696 | */ | |
697 | ||
698 | static int snd_card_saa7134_pcm(snd_card_saa7134_t *saa7134, int device) | |
bd15eba3 | 699 | { |
f7cbb7fc | 700 | struct snd_pcm *pcm; |
bd15eba3 | 701 | int err; |
5f7591c0 | 702 | |
bd15eba3 RC |
703 | if ((err = snd_pcm_new(saa7134->card, "SAA7134 PCM", device, 0, 1, &pcm)) < 0) |
704 | return err; | |
705 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_saa7134_capture_ops); | |
706 | pcm->private_data = saa7134; | |
707 | pcm->info_flags = 0; | |
708 | strcpy(pcm->name, "SAA7134 PCM"); | |
bd15eba3 RC |
709 | return 0; |
710 | } | |
5f7591c0 | 711 | |
bd15eba3 RC |
712 | #define SAA713x_VOLUME(xname, xindex, addr) \ |
713 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ | |
714 | .info = snd_saa7134_volume_info, \ | |
715 | .get = snd_saa7134_volume_get, .put = snd_saa7134_volume_put, \ | |
716 | .private_value = addr } | |
5f7591c0 | 717 | |
f7cbb7fc TI |
718 | static int snd_saa7134_volume_info(struct snd_kcontrol * kcontrol, |
719 | struct snd_ctl_elem_info * uinfo) | |
bd15eba3 RC |
720 | { |
721 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
722 | uinfo->count = 2; | |
723 | uinfo->value.integer.min = 0; | |
724 | uinfo->value.integer.max = 20; | |
725 | return 0; | |
726 | } | |
5f7591c0 | 727 | |
f7cbb7fc TI |
728 | static int snd_saa7134_volume_get(struct snd_kcontrol * kcontrol, |
729 | struct snd_ctl_elem_value * ucontrol) | |
bd15eba3 RC |
730 | { |
731 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); | |
bd15eba3 RC |
732 | int addr = kcontrol->private_value; |
733 | ||
bd15eba3 RC |
734 | ucontrol->value.integer.value[0] = chip->mixer_volume[addr][0]; |
735 | ucontrol->value.integer.value[1] = chip->mixer_volume[addr][1]; | |
bd15eba3 RC |
736 | return 0; |
737 | } | |
5f7591c0 | 738 | |
f7cbb7fc TI |
739 | static int snd_saa7134_volume_put(struct snd_kcontrol * kcontrol, |
740 | struct snd_ctl_elem_value * ucontrol) | |
5f7591c0 | 741 | { |
bd15eba3 | 742 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
5cfbacd0 HH |
743 | struct saa7134_dev *dev = chip->dev; |
744 | ||
bd15eba3 RC |
745 | int change, addr = kcontrol->private_value; |
746 | int left, right; | |
747 | ||
748 | left = ucontrol->value.integer.value[0]; | |
749 | if (left < 0) | |
750 | left = 0; | |
751 | if (left > 20) | |
752 | left = 20; | |
753 | right = ucontrol->value.integer.value[1]; | |
754 | if (right < 0) | |
755 | right = 0; | |
756 | if (right > 20) | |
757 | right = 20; | |
d5ee43af | 758 | spin_lock_irq(&chip->mixer_lock); |
5cfbacd0 HH |
759 | change = 0; |
760 | if (chip->mixer_volume[addr][0] != left) { | |
761 | change = 1; | |
762 | right = left; | |
763 | } | |
764 | if (chip->mixer_volume[addr][1] != right) { | |
765 | change = 1; | |
766 | left = right; | |
767 | } | |
768 | if (change) { | |
769 | switch (dev->pci->device) { | |
770 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
771 | switch (addr) { | |
772 | case MIXER_ADDR_TVTUNER: | |
773 | left = 20; | |
774 | break; | |
775 | case MIXER_ADDR_LINE1: | |
776 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x10, | |
777 | (left > 10) ? 0x00 : 0x10); | |
778 | break; | |
779 | case MIXER_ADDR_LINE2: | |
780 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x20, | |
781 | (left > 10) ? 0x00 : 0x20); | |
782 | break; | |
783 | } | |
784 | break; | |
785 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
786 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
787 | switch (addr) { | |
788 | case MIXER_ADDR_TVTUNER: | |
789 | left = 20; | |
790 | break; | |
791 | case MIXER_ADDR_LINE1: | |
792 | saa_andorb(0x0594, 0x10, | |
793 | (left > 10) ? 0x00 : 0x10); | |
794 | break; | |
795 | case MIXER_ADDR_LINE2: | |
796 | saa_andorb(0x0594, 0x20, | |
797 | (left > 10) ? 0x00 : 0x20); | |
798 | break; | |
799 | } | |
800 | break; | |
801 | } | |
802 | chip->mixer_volume[addr][0] = left; | |
803 | chip->mixer_volume[addr][1] = right; | |
804 | } | |
d5ee43af | 805 | spin_unlock_irq(&chip->mixer_lock); |
bd15eba3 RC |
806 | return change; |
807 | } | |
5f7591c0 | 808 | |
bd15eba3 RC |
809 | #define SAA713x_CAPSRC(xname, xindex, addr) \ |
810 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ | |
811 | .info = snd_saa7134_capsrc_info, \ | |
812 | .get = snd_saa7134_capsrc_get, .put = snd_saa7134_capsrc_put, \ | |
813 | .private_value = addr } | |
5f7591c0 | 814 | |
f7cbb7fc TI |
815 | static int snd_saa7134_capsrc_info(struct snd_kcontrol * kcontrol, |
816 | struct snd_ctl_elem_info * uinfo) | |
bd15eba3 RC |
817 | { |
818 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
b2c15ea9 | 819 | uinfo->count = 2; |
bd15eba3 RC |
820 | uinfo->value.integer.min = 0; |
821 | uinfo->value.integer.max = 1; | |
822 | return 0; | |
823 | } | |
5f7591c0 | 824 | |
f7cbb7fc TI |
825 | static int snd_saa7134_capsrc_get(struct snd_kcontrol * kcontrol, |
826 | struct snd_ctl_elem_value * ucontrol) | |
bd15eba3 RC |
827 | { |
828 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); | |
bd15eba3 RC |
829 | int addr = kcontrol->private_value; |
830 | ||
d5ee43af | 831 | spin_lock_irq(&chip->mixer_lock); |
bd15eba3 RC |
832 | ucontrol->value.integer.value[0] = chip->capture_source[addr][0]; |
833 | ucontrol->value.integer.value[1] = chip->capture_source[addr][1]; | |
d5ee43af | 834 | spin_unlock_irq(&chip->mixer_lock); |
4aabf633 | 835 | |
5f7591c0 NS |
836 | return 0; |
837 | } | |
838 | ||
f7cbb7fc TI |
839 | static int snd_saa7134_capsrc_put(struct snd_kcontrol * kcontrol, |
840 | struct snd_ctl_elem_value * ucontrol) | |
5f7591c0 | 841 | { |
bd15eba3 | 842 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
bd15eba3 RC |
843 | int change, addr = kcontrol->private_value; |
844 | int left, right; | |
4ac97914 | 845 | u32 anabar, xbarin; |
bd15eba3 RC |
846 | int analog_io, rate; |
847 | struct saa7134_dev *dev; | |
848 | ||
4aabf633 | 849 | dev = chip->dev; |
bd15eba3 RC |
850 | |
851 | left = ucontrol->value.integer.value[0] & 1; | |
852 | right = ucontrol->value.integer.value[1] & 1; | |
c817e763 | 853 | spin_lock_irq(&chip->mixer_lock); |
bd15eba3 | 854 | |
b2c15ea9 | 855 | change = chip->capture_source[addr][0] != left || |
4ac97914 | 856 | chip->capture_source[addr][1] != right; |
bd15eba3 RC |
857 | chip->capture_source[addr][0] = left; |
858 | chip->capture_source[addr][1] = right; | |
b54134be | 859 | dev->dmasound.input=addr; |
c817e763 | 860 | spin_unlock_irq(&chip->mixer_lock); |
bd15eba3 RC |
861 | |
862 | ||
b2c15ea9 | 863 | if (change) { |
4ac97914 | 864 | switch (dev->pci->device) { |
bd15eba3 RC |
865 | |
866 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
4ac97914 MCC |
867 | switch (addr) { |
868 | case MIXER_ADDR_TVTUNER: | |
869 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0xc0); | |
870 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00); | |
871 | break; | |
872 | case MIXER_ADDR_LINE1: | |
873 | case MIXER_ADDR_LINE2: | |
874 | analog_io = (MIXER_ADDR_LINE1 == addr) ? 0x00 : 0x08; | |
b54134be | 875 | rate = (32000 == dev->dmasound.rate) ? 0x01 : 0x03; |
4ac97914 MCC |
876 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, analog_io); |
877 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0x80); | |
878 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, rate); | |
879 | break; | |
880 | } | |
881 | ||
882 | break; | |
bd15eba3 RC |
883 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
884 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
4ac97914 | 885 | xbarin = 0x03; // adc |
bd15eba3 | 886 | anabar = 0; |
4ac97914 MCC |
887 | switch (addr) { |
888 | case MIXER_ADDR_TVTUNER: | |
889 | xbarin = 0; // Demodulator | |
890 | anabar = 2; // DACs | |
891 | break; | |
892 | case MIXER_ADDR_LINE1: | |
893 | anabar = 0; // aux1, aux1 | |
894 | break; | |
895 | case MIXER_ADDR_LINE2: | |
896 | anabar = 9; // aux2, aux2 | |
897 | break; | |
898 | } | |
bd15eba3 | 899 | |
657de3cd | 900 | /* output xbar always main channel */ |
4ac97914 | 901 | saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL1, 0xbbbb10); |
bd15eba3 RC |
902 | |
903 | if (left || right) { // We've got data, turn the input on | |
4ac97914 MCC |
904 | saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, xbarin); |
905 | saa_writel(SAA7133_ANALOG_IO_SELECT, anabar); | |
bd15eba3 | 906 | } else { |
4ac97914 MCC |
907 | saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, 0); |
908 | saa_writel(SAA7133_ANALOG_IO_SELECT, 0); | |
bd15eba3 | 909 | } |
a866623c | 910 | break; |
b2c15ea9 | 911 | } |
4ac97914 | 912 | } |
bd15eba3 RC |
913 | |
914 | return change; | |
5f7591c0 NS |
915 | } |
916 | ||
f7cbb7fc | 917 | static struct snd_kcontrol_new snd_saa7134_controls[] = { |
bd15eba3 RC |
918 | SAA713x_VOLUME("Video Volume", 0, MIXER_ADDR_TVTUNER), |
919 | SAA713x_CAPSRC("Video Capture Switch", 0, MIXER_ADDR_TVTUNER), | |
920 | SAA713x_VOLUME("Line Volume", 1, MIXER_ADDR_LINE1), | |
921 | SAA713x_CAPSRC("Line Capture Switch", 1, MIXER_ADDR_LINE1), | |
922 | SAA713x_VOLUME("Line Volume", 2, MIXER_ADDR_LINE2), | |
923 | SAA713x_CAPSRC("Line Capture Switch", 2, MIXER_ADDR_LINE2), | |
924 | }; | |
5f7591c0 | 925 | |
b2c15ea9 RC |
926 | /* |
927 | * ALSA mixer setup | |
928 | * | |
929 | * Called when initializing the board. Sets up the name and hooks up | |
930 | * the callbacks | |
931 | * | |
932 | */ | |
933 | ||
934 | static int snd_card_saa7134_new_mixer(snd_card_saa7134_t * chip) | |
bd15eba3 | 935 | { |
f7cbb7fc | 936 | struct snd_card *card = chip->card; |
bd15eba3 RC |
937 | unsigned int idx; |
938 | int err; | |
939 | ||
940 | snd_assert(chip != NULL, return -EINVAL); | |
941 | strcpy(card->mixername, "SAA7134 Mixer"); | |
5f7591c0 | 942 | |
bd15eba3 RC |
943 | for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_controls); idx++) { |
944 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_saa7134_controls[idx], chip))) < 0) | |
945 | return err; | |
946 | } | |
947 | return 0; | |
948 | } | |
949 | ||
f7cbb7fc | 950 | static void snd_saa7134_free(struct snd_card * card) |
5f7591c0 | 951 | { |
d5ee43af | 952 | snd_card_saa7134_t *chip = card->private_data; |
c817e763 | 953 | |
4aabf633 | 954 | if (chip->dev->dmasound.priv_data == NULL) |
d5ee43af | 955 | return; |
4aabf633 | 956 | |
c817e763 RC |
957 | if (chip->irq >= 0) { |
958 | synchronize_irq(chip->irq); | |
4aabf633 | 959 | free_irq(chip->irq, &chip->dev->dmasound); |
c817e763 RC |
960 | } |
961 | ||
4aabf633 RC |
962 | chip->dev->dmasound.priv_data = NULL; |
963 | ||
bd15eba3 | 964 | } |
5f7591c0 | 965 | |
b2c15ea9 RC |
966 | /* |
967 | * ALSA initialization | |
968 | * | |
c817e763 RC |
969 | * Called by the init routine, once for each saa7134 device present, |
970 | * it creates the basic structures and registers the ALSA devices | |
b2c15ea9 RC |
971 | * |
972 | */ | |
973 | ||
943a4902 | 974 | static int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum) |
bd15eba3 | 975 | { |
79dd0c69 | 976 | |
f7cbb7fc | 977 | struct snd_card *card; |
b2c15ea9 | 978 | snd_card_saa7134_t *chip; |
bd15eba3 | 979 | int err; |
5f7591c0 | 980 | |
79dd0c69 | 981 | |
4aabf633 | 982 | if (devnum >= SNDRV_CARDS) |
4ac97914 | 983 | return -ENODEV; |
4aabf633 | 984 | if (!enable[devnum]) |
bd15eba3 | 985 | return -ENODEV; |
b2c15ea9 | 986 | |
4aabf633 | 987 | card = snd_card_new(index[devnum], id[devnum], THIS_MODULE, sizeof(snd_card_saa7134_t)); |
b54134be | 988 | |
bd15eba3 RC |
989 | if (card == NULL) |
990 | return -ENOMEM; | |
5f7591c0 | 991 | |
bd15eba3 | 992 | strcpy(card->driver, "SAA7134"); |
5f7591c0 | 993 | |
bd15eba3 | 994 | /* Card "creation" */ |
b2c15ea9 | 995 | |
c817e763 RC |
996 | card->private_free = snd_saa7134_free; |
997 | chip = (snd_card_saa7134_t *) card->private_data; | |
5f7591c0 | 998 | |
4ac97914 | 999 | spin_lock_init(&chip->lock); |
b54134be | 1000 | spin_lock_init(&chip->mixer_lock); |
5f7591c0 | 1001 | |
4aabf633 | 1002 | chip->dev = dev; |
5f7591c0 | 1003 | |
4ac97914 | 1004 | chip->card = card; |
b2c15ea9 | 1005 | |
4aabf633 | 1006 | chip->pci = dev->pci; |
4aabf633 RC |
1007 | chip->iobase = pci_resource_start(dev->pci, 0); |
1008 | ||
5f7591c0 | 1009 | |
4aabf633 | 1010 | err = request_irq(dev->pci->irq, saa7134_alsa_irq, |
8076fe32 | 1011 | IRQF_SHARED | IRQF_DISABLED, dev->name, |
4aabf633 | 1012 | (void*) &dev->dmasound); |
79dd0c69 RC |
1013 | |
1014 | if (err < 0) { | |
1015 | printk(KERN_ERR "%s: can't get IRQ %d for ALSA\n", | |
4aabf633 | 1016 | dev->name, dev->pci->irq); |
b54134be | 1017 | goto __nodev; |
79dd0c69 RC |
1018 | } |
1019 | ||
d5ee43af | 1020 | chip->irq = dev->pci->irq; |
4aabf633 | 1021 | |
3593cab5 | 1022 | mutex_init(&dev->dmasound.lock); |
5f7591c0 | 1023 | |
bd15eba3 RC |
1024 | if ((err = snd_card_saa7134_new_mixer(chip)) < 0) |
1025 | goto __nodev; | |
5f7591c0 | 1026 | |
bd15eba3 RC |
1027 | if ((err = snd_card_saa7134_pcm(chip, 0)) < 0) |
1028 | goto __nodev; | |
b2c15ea9 | 1029 | |
bd15eba3 | 1030 | snd_card_set_dev(card, &chip->pci->dev); |
5f7591c0 | 1031 | |
bd15eba3 | 1032 | /* End of "creation" */ |
5f7591c0 | 1033 | |
bd15eba3 | 1034 | strcpy(card->shortname, "SAA7134"); |
4ac97914 | 1035 | sprintf(card->longname, "%s at 0x%lx irq %d", |
4aabf633 | 1036 | chip->dev->name, chip->iobase, chip->irq); |
5f7591c0 | 1037 | |
f5b974cb RC |
1038 | printk(KERN_INFO "%s/alsa: %s registered as card %d\n",dev->name,card->longname,index[devnum]); |
1039 | ||
bd15eba3 | 1040 | if ((err = snd_card_register(card)) == 0) { |
4aabf633 | 1041 | snd_saa7134_cards[devnum] = card; |
bd15eba3 RC |
1042 | return 0; |
1043 | } | |
1044 | ||
1045 | __nodev: | |
1046 | snd_card_free(card); | |
bd15eba3 | 1047 | return err; |
5f7591c0 NS |
1048 | } |
1049 | ||
f5b974cb RC |
1050 | |
1051 | static int alsa_device_init(struct saa7134_dev *dev) | |
1052 | { | |
1053 | dev->dmasound.priv_data = dev; | |
1054 | alsa_card_saa7134_create(dev,dev->nr); | |
1055 | return 1; | |
1056 | } | |
1057 | ||
1058 | static int alsa_device_exit(struct saa7134_dev *dev) | |
1059 | { | |
1060 | ||
1061 | snd_card_free(snd_saa7134_cards[dev->nr]); | |
1062 | snd_saa7134_cards[dev->nr] = NULL; | |
1063 | return 1; | |
1064 | } | |
1065 | ||
79dd0c69 RC |
1066 | /* |
1067 | * Module initializer | |
1068 | * | |
1069 | * Loops through present saa7134 cards, and assigns an ALSA device | |
1070 | * to each one | |
1071 | * | |
1072 | */ | |
1073 | ||
1074 | static int saa7134_alsa_init(void) | |
1075 | { | |
4aabf633 | 1076 | struct saa7134_dev *dev = NULL; |
c817e763 | 1077 | struct list_head *list; |
79dd0c69 | 1078 | |
78457018 AB |
1079 | if (!saa7134_dmasound_init && !saa7134_dmasound_exit) { |
1080 | saa7134_dmasound_init = alsa_device_init; | |
1081 | saa7134_dmasound_exit = alsa_device_exit; | |
7bb95296 RC |
1082 | } else { |
1083 | printk(KERN_WARNING "saa7134 ALSA: can't load, DMA sound handler already assigned (probably to OSS)\n"); | |
1084 | return -EBUSY; | |
1085 | } | |
1086 | ||
afd1a0c9 | 1087 | printk(KERN_INFO "saa7134 ALSA driver for DMA sound loaded\n"); |
c817e763 RC |
1088 | |
1089 | list_for_each(list,&saa7134_devlist) { | |
4aabf633 RC |
1090 | dev = list_entry(list, struct saa7134_dev, devlist); |
1091 | if (dev->dmasound.priv_data == NULL) { | |
f5b974cb | 1092 | alsa_device_init(dev); |
4aabf633 RC |
1093 | } else { |
1094 | printk(KERN_ERR "saa7134 ALSA: DMA sound is being handled by OSS. ignoring %s\n",dev->name); | |
1095 | return -EBUSY; | |
1096 | } | |
c817e763 | 1097 | } |
79dd0c69 | 1098 | |
4aabf633 | 1099 | if (dev == NULL) |
79dd0c69 RC |
1100 | printk(KERN_INFO "saa7134 ALSA: no saa7134 cards found\n"); |
1101 | ||
1102 | return 0; | |
674434c6 | 1103 | |
79dd0c69 RC |
1104 | } |
1105 | ||
1106 | /* | |
1107 | * Module destructor | |
1108 | */ | |
1109 | ||
943a4902 | 1110 | static void saa7134_alsa_exit(void) |
5f7591c0 | 1111 | { |
4ac97914 | 1112 | int idx; |
b54134be | 1113 | |
79dd0c69 | 1114 | for (idx = 0; idx < SNDRV_CARDS; idx++) { |
4ac97914 | 1115 | snd_card_free(snd_saa7134_cards[idx]); |
bd15eba3 | 1116 | } |
b54134be | 1117 | |
78457018 AB |
1118 | saa7134_dmasound_init = NULL; |
1119 | saa7134_dmasound_exit = NULL; | |
79dd0c69 | 1120 | printk(KERN_INFO "saa7134 ALSA driver for DMA sound unloaded\n"); |
b54134be | 1121 | |
79dd0c69 | 1122 | return; |
5f7591c0 | 1123 | } |
79dd0c69 | 1124 | |
c7ac6b42 LT |
1125 | /* We initialize this late, to make sure the sound system is up and running */ |
1126 | late_initcall(saa7134_alsa_init); | |
79dd0c69 RC |
1127 | module_exit(saa7134_alsa_exit); |
1128 | MODULE_LICENSE("GPL"); | |
1129 | MODULE_AUTHOR("Ricardo Cerqueira"); | |
674434c6 MCC |
1130 | |
1131 | ||
1132 |