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> |
5f7591c0 | 24 | #include <sound/core.h> |
5f7591c0 | 25 | #include <sound/control.h> |
bd15eba3 | 26 | #include <sound/pcm.h> |
d5ee43af | 27 | #include <sound/pcm_params.h> |
5f7591c0 | 28 | #include <sound/initval.h> |
871242b9 | 29 | #include <linux/interrupt.h> |
5f7591c0 NS |
30 | |
31 | #include "saa7134.h" | |
32 | #include "saa7134-reg.h" | |
33 | ||
ff699e6b | 34 | static unsigned int debug; |
79dd0c69 RC |
35 | module_param(debug, int, 0644); |
36 | MODULE_PARM_DESC(debug,"enable debug messages [alsa]"); | |
37 | ||
b2c15ea9 RC |
38 | /* |
39 | * Configuration macros | |
40 | */ | |
41 | ||
bd15eba3 | 42 | /* defaults */ |
b2c15ea9 RC |
43 | #define MIXER_ADDR_TVTUNER 0 |
44 | #define MIXER_ADDR_LINE1 1 | |
45 | #define MIXER_ADDR_LINE2 2 | |
46 | #define MIXER_ADDR_LAST 2 | |
5f7591c0 | 47 | |
674434c6 | 48 | |
bd15eba3 RC |
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 */ | |
ede22415 | 51 | static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1}; |
bd15eba3 | 52 | |
b54134be | 53 | module_param_array(index, int, NULL, 0444); |
ede22415 | 54 | module_param_array(enable, int, NULL, 0444); |
b54134be | 55 | MODULE_PARM_DESC(index, "Index value for SAA7134 capture interface(s)."); |
ede22415 | 56 | MODULE_PARM_DESC(enable, "Enable (or not) the SAA7134 capture interface(s)."); |
b54134be | 57 | |
79dd0c69 | 58 | #define dprintk(fmt, arg...) if (debug) \ |
f85c657f | 59 | printk(KERN_DEBUG "%s/alsa: " fmt, dev->name , ##arg) |
674434c6 MCC |
60 | |
61 | ||
bd15eba3 | 62 | |
b2c15ea9 RC |
63 | /* |
64 | * Main chip structure | |
65 | */ | |
674434c6 | 66 | |
bd15eba3 | 67 | typedef struct snd_card_saa7134 { |
f7cbb7fc | 68 | struct snd_card *card; |
bd15eba3 RC |
69 | spinlock_t mixer_lock; |
70 | int mixer_volume[MIXER_ADDR_LAST+1][2]; | |
71 | int capture_source[MIXER_ADDR_LAST+1][2]; | |
4ac97914 | 72 | struct pci_dev *pci; |
4aabf633 | 73 | struct saa7134_dev *dev; |
bd15eba3 | 74 | |
4ac97914 | 75 | unsigned long iobase; |
aac0ca6a RB |
76 | s16 irq; |
77 | u16 mute_was_on; | |
bd15eba3 RC |
78 | |
79 | spinlock_t lock; | |
80 | } snd_card_saa7134_t; | |
81 | ||
07eef6ce | 82 | |
b2c15ea9 RC |
83 | /* |
84 | * PCM structure | |
85 | */ | |
86 | ||
bd15eba3 | 87 | typedef struct snd_card_saa7134_pcm { |
4aabf633 | 88 | struct saa7134_dev *dev; |
bd15eba3 RC |
89 | |
90 | spinlock_t lock; | |
4aabf633 | 91 | |
f7cbb7fc | 92 | struct snd_pcm_substream *substream; |
bd15eba3 | 93 | } snd_card_saa7134_pcm_t; |
5f7591c0 | 94 | |
f7cbb7fc | 95 | static struct snd_card *snd_saa7134_cards[SNDRV_CARDS]; |
5f7591c0 | 96 | |
79dd0c69 | 97 | |
b2c15ea9 RC |
98 | /* |
99 | * saa7134 DMA audio stop | |
100 | * | |
101 | * Called when the capture device is released or the buffer overflows | |
102 | * | |
c817e763 | 103 | * - Copied verbatim from saa7134-oss's dsp_dma_stop. |
b2c15ea9 RC |
104 | * |
105 | */ | |
106 | ||
bd15eba3 RC |
107 | static void saa7134_dma_stop(struct saa7134_dev *dev) |
108 | { | |
b54134be RC |
109 | dev->dmasound.dma_blk = -1; |
110 | dev->dmasound.dma_running = 0; | |
4ac97914 | 111 | saa7134_set_dmabits(dev); |
bd15eba3 | 112 | } |
5f7591c0 | 113 | |
b2c15ea9 RC |
114 | /* |
115 | * saa7134 DMA audio start | |
116 | * | |
117 | * Called when preparing the capture device for use | |
118 | * | |
c817e763 | 119 | * - Copied verbatim from saa7134-oss's dsp_dma_start. |
b2c15ea9 RC |
120 | * |
121 | */ | |
122 | ||
bd15eba3 RC |
123 | static void saa7134_dma_start(struct saa7134_dev *dev) |
124 | { | |
b54134be RC |
125 | dev->dmasound.dma_blk = 0; |
126 | dev->dmasound.dma_running = 1; | |
4ac97914 | 127 | saa7134_set_dmabits(dev); |
bd15eba3 | 128 | } |
5f7591c0 | 129 | |
b2c15ea9 RC |
130 | /* |
131 | * saa7134 audio DMA IRQ handler | |
132 | * | |
133 | * Called whenever we get an SAA7134_IRQ_REPORT_DONE_RA3 interrupt | |
134 | * Handles shifting between the 2 buffers, manages the read counters, | |
135 | * and notifies ALSA when periods elapse | |
136 | * | |
137 | * - Mostly copied from saa7134-oss's saa7134_irq_oss_done. | |
138 | * | |
139 | */ | |
140 | ||
943a4902 AB |
141 | static void saa7134_irq_alsa_done(struct saa7134_dev *dev, |
142 | unsigned long status) | |
bd15eba3 RC |
143 | { |
144 | int next_blk, reg = 0; | |
5f7591c0 | 145 | |
bd15eba3 | 146 | spin_lock(&dev->slock); |
b54134be | 147 | if (UNSET == dev->dmasound.dma_blk) { |
bd15eba3 RC |
148 | dprintk("irq: recording stopped\n"); |
149 | goto done; | |
150 | } | |
151 | if (0 != (status & 0x0f000000)) | |
152 | dprintk("irq: lost %ld\n", (status >> 24) & 0x0f); | |
153 | if (0 == (status & 0x10000000)) { | |
154 | /* odd */ | |
b54134be | 155 | if (0 == (dev->dmasound.dma_blk & 0x01)) |
bd15eba3 RC |
156 | reg = SAA7134_RS_BA1(6); |
157 | } else { | |
158 | /* even */ | |
b54134be | 159 | if (1 == (dev->dmasound.dma_blk & 0x01)) |
bd15eba3 RC |
160 | reg = SAA7134_RS_BA2(6); |
161 | } | |
162 | if (0 == reg) { | |
163 | dprintk("irq: field oops [%s]\n", | |
164 | (status & 0x10000000) ? "even" : "odd"); | |
165 | goto done; | |
166 | } | |
5f7591c0 | 167 | |
b54134be RC |
168 | if (dev->dmasound.read_count >= dev->dmasound.blksize * (dev->dmasound.blocks-2)) { |
169 | dprintk("irq: overrun [full=%d/%d] - Blocks in %d\n",dev->dmasound.read_count, | |
170 | dev->dmasound.bufsize, dev->dmasound.blocks); | |
d5ee43af | 171 | spin_unlock(&dev->slock); |
b54134be | 172 | snd_pcm_stop(dev->dmasound.substream,SNDRV_PCM_STATE_XRUN); |
d5ee43af | 173 | return; |
bd15eba3 | 174 | } |
5f7591c0 | 175 | |
4ac97914 | 176 | /* next block addr */ |
b54134be RC |
177 | next_blk = (dev->dmasound.dma_blk + 2) % dev->dmasound.blocks; |
178 | saa_writel(reg,next_blk * dev->dmasound.blksize); | |
79dd0c69 | 179 | if (debug > 2) |
4ac97914 MCC |
180 | dprintk("irq: ok, %s, next_blk=%d, addr=%x, blocks=%u, size=%u, read=%u\n", |
181 | (status & 0x10000000) ? "even" : "odd ", next_blk, | |
b54134be | 182 | next_blk * dev->dmasound.blksize, dev->dmasound.blocks, dev->dmasound.blksize, dev->dmasound.read_count); |
5f7591c0 | 183 | |
4ac97914 | 184 | /* update status & wake waiting readers */ |
b54134be RC |
185 | dev->dmasound.dma_blk = (dev->dmasound.dma_blk + 1) % dev->dmasound.blocks; |
186 | dev->dmasound.read_count += dev->dmasound.blksize; | |
5f7591c0 | 187 | |
b54134be | 188 | dev->dmasound.recording_on = reg; |
5f7591c0 | 189 | |
b54134be | 190 | if (dev->dmasound.read_count >= snd_pcm_lib_period_bytes(dev->dmasound.substream)) { |
4ac97914 | 191 | spin_unlock(&dev->slock); |
b54134be | 192 | snd_pcm_period_elapsed(dev->dmasound.substream); |
4ac97914 | 193 | spin_lock(&dev->slock); |
bd15eba3 | 194 | } |
4aabf633 | 195 | |
bd15eba3 | 196 | done: |
4ac97914 | 197 | spin_unlock(&dev->slock); |
5f7591c0 | 198 | |
bd15eba3 | 199 | } |
5f7591c0 | 200 | |
79dd0c69 RC |
201 | /* |
202 | * IRQ request handler | |
203 | * | |
204 | * Runs along with saa7134's IRQ handler, discards anything that isn't | |
205 | * DMA sound | |
206 | * | |
207 | */ | |
208 | ||
7d12e780 | 209 | static irqreturn_t saa7134_alsa_irq(int irq, void *dev_id) |
79dd0c69 | 210 | { |
afd1a0c9 MCC |
211 | struct saa7134_dmasound *dmasound = dev_id; |
212 | struct saa7134_dev *dev = dmasound->priv_data; | |
4aabf633 | 213 | |
79dd0c69 RC |
214 | unsigned long report, status; |
215 | int loop, handled = 0; | |
216 | ||
217 | for (loop = 0; loop < 10; loop++) { | |
218 | report = saa_readl(SAA7134_IRQ_REPORT); | |
219 | status = saa_readl(SAA7134_IRQ_STATUS); | |
220 | ||
221 | if (report & SAA7134_IRQ_REPORT_DONE_RA3) { | |
222 | handled = 1; | |
843b1378 HL |
223 | saa_writel(SAA7134_IRQ_REPORT, |
224 | SAA7134_IRQ_REPORT_DONE_RA3); | |
79dd0c69 RC |
225 | saa7134_irq_alsa_done(dev, status); |
226 | } else { | |
227 | goto out; | |
228 | } | |
229 | } | |
230 | ||
231 | if (loop == 10) { | |
232 | dprintk("error! looping IRQ!"); | |
233 | } | |
234 | ||
235 | out: | |
236 | return IRQ_RETVAL(handled); | |
237 | } | |
238 | ||
b2c15ea9 RC |
239 | /* |
240 | * ALSA capture trigger | |
241 | * | |
242 | * - One of the ALSA capture callbacks. | |
243 | * | |
244 | * Called whenever a capture is started or stopped. Must be defined, | |
245 | * but there's nothing we want to do here | |
246 | * | |
247 | */ | |
5f7591c0 | 248 | |
f7cbb7fc | 249 | static int snd_card_saa7134_capture_trigger(struct snd_pcm_substream * substream, |
bd15eba3 | 250 | int cmd) |
5f7591c0 | 251 | { |
f7cbb7fc | 252 | struct snd_pcm_runtime *runtime = substream->runtime; |
4aabf633 RC |
253 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
254 | struct saa7134_dev *dev=pcm->dev; | |
b54134be RC |
255 | int err = 0; |
256 | ||
d5ee43af | 257 | spin_lock(&dev->slock); |
c817e763 | 258 | if (cmd == SNDRV_PCM_TRIGGER_START) { |
b54134be RC |
259 | /* start dma */ |
260 | saa7134_dma_start(dev); | |
c817e763 | 261 | } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
b54134be RC |
262 | /* stop dma */ |
263 | saa7134_dma_stop(dev); | |
c817e763 RC |
264 | } else { |
265 | err = -EINVAL; | |
266 | } | |
d5ee43af | 267 | spin_unlock(&dev->slock); |
b54134be | 268 | |
c817e763 | 269 | return err; |
5f7591c0 NS |
270 | } |
271 | ||
b2c15ea9 RC |
272 | /* |
273 | * DMA buffer initialization | |
274 | * | |
275 | * Uses V4L functions to initialize the DMA. Shouldn't be necessary in | |
276 | * ALSA, but I was unable to use ALSA's own DMA, and had to force the | |
277 | * usage of V4L's | |
278 | * | |
c817e763 RC |
279 | * - Copied verbatim from saa7134-oss. |
280 | * | |
b2c15ea9 RC |
281 | */ |
282 | ||
bd15eba3 | 283 | static int dsp_buffer_init(struct saa7134_dev *dev) |
5f7591c0 | 284 | { |
4ac97914 MCC |
285 | int err; |
286 | ||
4aabf633 RC |
287 | BUG_ON(!dev->dmasound.bufsize); |
288 | ||
b54134be RC |
289 | videobuf_dma_init(&dev->dmasound.dma); |
290 | err = videobuf_dma_init_kernel(&dev->dmasound.dma, PCI_DMA_FROMDEVICE, | |
291 | (dev->dmasound.bufsize + PAGE_SIZE) >> PAGE_SHIFT); | |
4ac97914 MCC |
292 | if (0 != err) |
293 | return err; | |
294 | return 0; | |
5f7591c0 NS |
295 | } |
296 | ||
d5ee43af RC |
297 | /* |
298 | * DMA buffer release | |
299 | * | |
300 | * Called after closing the device, during snd_card_saa7134_capture_close | |
301 | * | |
302 | */ | |
303 | ||
304 | static int dsp_buffer_free(struct saa7134_dev *dev) | |
305 | { | |
ae24601b | 306 | BUG_ON(!dev->dmasound.blksize); |
d5ee43af RC |
307 | |
308 | videobuf_dma_free(&dev->dmasound.dma); | |
309 | ||
310 | dev->dmasound.blocks = 0; | |
311 | dev->dmasound.blksize = 0; | |
312 | dev->dmasound.bufsize = 0; | |
313 | ||
b930e1d8 | 314 | return 0; |
d5ee43af RC |
315 | } |
316 | ||
317 | ||
b2c15ea9 RC |
318 | /* |
319 | * ALSA PCM preparation | |
320 | * | |
321 | * - One of the ALSA capture callbacks. | |
322 | * | |
323 | * Called right after the capture device is opened, this function configures | |
324 | * the buffer using the previously defined functions, allocates the memory, | |
325 | * sets up the hardware registers, and then starts the DMA. When this function | |
326 | * returns, the audio should be flowing. | |
327 | * | |
328 | */ | |
5f7591c0 | 329 | |
f7cbb7fc | 330 | static int snd_card_saa7134_capture_prepare(struct snd_pcm_substream * substream) |
5f7591c0 | 331 | { |
f7cbb7fc | 332 | struct snd_pcm_runtime *runtime = substream->runtime; |
d5ee43af | 333 | int bswap, sign; |
4ac97914 | 334 | u32 fmt, control; |
bd15eba3 | 335 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
4ac97914 | 336 | struct saa7134_dev *dev; |
4aabf633 | 337 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
bd15eba3 | 338 | |
4aabf633 | 339 | pcm->dev->dmasound.substream = substream; |
bd15eba3 | 340 | |
d5ee43af | 341 | dev = saa7134->dev; |
bd15eba3 | 342 | |
d5ee43af | 343 | if (snd_pcm_format_width(runtime->format) == 8) |
bd15eba3 | 344 | fmt = 0x00; |
d5ee43af | 345 | else |
bd15eba3 | 346 | fmt = 0x01; |
4ac97914 | 347 | |
d5ee43af | 348 | if (snd_pcm_format_signed(runtime->format)) |
bd15eba3 | 349 | sign = 1; |
d5ee43af | 350 | else |
bd15eba3 | 351 | sign = 0; |
bd15eba3 | 352 | |
d5ee43af RC |
353 | if (snd_pcm_format_big_endian(runtime->format)) |
354 | bswap = 1; | |
355 | else | |
356 | bswap = 0; | |
4ac97914 MCC |
357 | |
358 | switch (dev->pci->device) { | |
359 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
360 | if (1 == runtime->channels) | |
361 | fmt |= (1 << 3); | |
362 | if (2 == runtime->channels) | |
363 | fmt |= (3 << 3); | |
364 | if (sign) | |
365 | fmt |= 0x04; | |
366 | ||
b54134be RC |
367 | fmt |= (MIXER_ADDR_TVTUNER == dev->dmasound.input) ? 0xc0 : 0x80; |
368 | saa_writeb(SAA7134_NUM_SAMPLES0, ((dev->dmasound.blksize - 1) & 0x0000ff)); | |
369 | saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->dmasound.blksize - 1) & 0x00ff00) >> 8); | |
370 | saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->dmasound.blksize - 1) & 0xff0000) >> 16); | |
4ac97914 MCC |
371 | saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt); |
372 | ||
373 | break; | |
374 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
375 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
376 | if (1 == runtime->channels) | |
377 | fmt |= (1 << 4); | |
378 | if (2 == runtime->channels) | |
379 | fmt |= (2 << 4); | |
380 | if (!sign) | |
381 | fmt |= 0x04; | |
b54134be | 382 | saa_writel(SAA7133_NUM_SAMPLES, dev->dmasound.blksize -1); |
4ac97914 | 383 | saa_writel(SAA7133_AUDIO_CHANNEL, 0x543210 | (fmt << 24)); |
4ac97914 MCC |
384 | break; |
385 | } | |
386 | ||
387 | dprintk("rec_start: afmt=%d ch=%d => fmt=0x%x swap=%c\n", | |
388 | runtime->format, runtime->channels, fmt, | |
389 | bswap ? 'b' : '-'); | |
390 | /* dma: setup channel 6 (= AUDIO) */ | |
391 | control = SAA7134_RS_CONTROL_BURST_16 | | |
392 | SAA7134_RS_CONTROL_ME | | |
b54134be | 393 | (dev->dmasound.pt.dma >> 12); |
4ac97914 MCC |
394 | if (bswap) |
395 | control |= SAA7134_RS_CONTROL_BSWAP; | |
bd15eba3 | 396 | |
4ac97914 | 397 | saa_writel(SAA7134_RS_BA1(6),0); |
b54134be | 398 | saa_writel(SAA7134_RS_BA2(6),dev->dmasound.blksize); |
4ac97914 MCC |
399 | saa_writel(SAA7134_RS_PITCH(6),0); |
400 | saa_writel(SAA7134_RS_CONTROL(6),control); | |
bd15eba3 | 401 | |
b54134be | 402 | dev->dmasound.rate = runtime->rate; |
5f7591c0 | 403 | |
bd15eba3 | 404 | return 0; |
5f7591c0 | 405 | |
bd15eba3 | 406 | } |
5f7591c0 | 407 | |
b2c15ea9 RC |
408 | /* |
409 | * ALSA pointer fetching | |
410 | * | |
411 | * - One of the ALSA capture callbacks. | |
412 | * | |
413 | * Called whenever a period elapses, it must return the current hardware | |
414 | * position of the buffer. | |
415 | * Also resets the read counter used to prevent overruns | |
416 | * | |
417 | */ | |
5f7591c0 | 418 | |
f7cbb7fc TI |
419 | static snd_pcm_uframes_t |
420 | snd_card_saa7134_capture_pointer(struct snd_pcm_substream * substream) | |
5f7591c0 | 421 | { |
f7cbb7fc | 422 | struct snd_pcm_runtime *runtime = substream->runtime; |
4aabf633 RC |
423 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
424 | struct saa7134_dev *dev=pcm->dev; | |
5f7591c0 | 425 | |
b54134be RC |
426 | if (dev->dmasound.read_count) { |
427 | dev->dmasound.read_count -= snd_pcm_lib_period_bytes(substream); | |
428 | dev->dmasound.read_offset += snd_pcm_lib_period_bytes(substream); | |
429 | if (dev->dmasound.read_offset == dev->dmasound.bufsize) | |
430 | dev->dmasound.read_offset = 0; | |
bd15eba3 | 431 | } |
5f7591c0 | 432 | |
b54134be | 433 | return bytes_to_frames(runtime, dev->dmasound.read_offset); |
bd15eba3 | 434 | } |
5f7591c0 | 435 | |
b2c15ea9 RC |
436 | /* |
437 | * ALSA hardware capabilities definition | |
438 | */ | |
5f7591c0 | 439 | |
f7cbb7fc | 440 | static struct snd_pcm_hardware snd_card_saa7134_capture = |
5f7591c0 | 441 | { |
4ac97914 | 442 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
f2421ca3 MCC |
443 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
444 | SNDRV_PCM_INFO_MMAP_VALID), | |
b54134be RC |
445 | .formats = SNDRV_PCM_FMTBIT_S16_LE | \ |
446 | SNDRV_PCM_FMTBIT_S16_BE | \ | |
447 | SNDRV_PCM_FMTBIT_S8 | \ | |
448 | SNDRV_PCM_FMTBIT_U8 | \ | |
449 | SNDRV_PCM_FMTBIT_U16_LE | \ | |
450 | SNDRV_PCM_FMTBIT_U16_BE, | |
451 | .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000, | |
452 | .rate_min = 32000, | |
453 | .rate_max = 48000, | |
454 | .channels_min = 1, | |
455 | .channels_max = 2, | |
456 | .buffer_bytes_max = (256*1024), | |
bd15eba3 | 457 | .period_bytes_min = 64, |
b54134be | 458 | .period_bytes_max = (256*1024), |
174eb8e8 | 459 | .periods_min = 4, |
b54134be | 460 | .periods_max = 1024, |
bd15eba3 | 461 | }; |
5f7591c0 | 462 | |
f7cbb7fc | 463 | static void snd_card_saa7134_runtime_free(struct snd_pcm_runtime *runtime) |
bd15eba3 | 464 | { |
4aabf633 | 465 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
bd15eba3 | 466 | |
4aabf633 | 467 | kfree(pcm); |
5f7591c0 NS |
468 | } |
469 | ||
bd15eba3 | 470 | |
b2c15ea9 RC |
471 | /* |
472 | * ALSA hardware params | |
473 | * | |
474 | * - One of the ALSA capture callbacks. | |
475 | * | |
476 | * Called on initialization, right before the PCM preparation | |
b2c15ea9 RC |
477 | * |
478 | */ | |
479 | ||
f7cbb7fc TI |
480 | static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream, |
481 | struct snd_pcm_hw_params * hw_params) | |
5f7591c0 | 482 | { |
d5ee43af RC |
483 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
484 | struct saa7134_dev *dev; | |
485 | unsigned int period_size, periods; | |
486 | int err; | |
487 | ||
488 | period_size = params_period_bytes(hw_params); | |
489 | periods = params_periods(hw_params); | |
490 | ||
5e246b85 TI |
491 | if (period_size < 0x100 || period_size > 0x10000) |
492 | return -EINVAL; | |
493 | if (periods < 4) | |
494 | return -EINVAL; | |
495 | if (period_size * periods > 1024 * 1024) | |
496 | return -EINVAL; | |
d5ee43af RC |
497 | |
498 | dev = saa7134->dev; | |
499 | ||
500 | if (dev->dmasound.blocks == periods && | |
501 | dev->dmasound.blksize == period_size) | |
502 | return 0; | |
503 | ||
504 | /* release the old buffer */ | |
505 | if (substream->runtime->dma_area) { | |
506 | saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); | |
0705135e | 507 | videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); |
d5ee43af RC |
508 | dsp_buffer_free(dev); |
509 | substream->runtime->dma_area = NULL; | |
510 | } | |
511 | dev->dmasound.blocks = periods; | |
512 | dev->dmasound.blksize = period_size; | |
513 | dev->dmasound.bufsize = period_size * periods; | |
514 | ||
515 | err = dsp_buffer_init(dev); | |
516 | if (0 != err) { | |
517 | dev->dmasound.blocks = 0; | |
518 | dev->dmasound.blksize = 0; | |
519 | dev->dmasound.bufsize = 0; | |
520 | return err; | |
521 | } | |
522 | ||
0705135e | 523 | if (0 != (err = videobuf_sg_dma_map(&dev->pci->dev, &dev->dmasound.dma))) { |
d5ee43af RC |
524 | dsp_buffer_free(dev); |
525 | return err; | |
526 | } | |
527 | if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->dmasound.pt))) { | |
0705135e | 528 | videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); |
d5ee43af RC |
529 | dsp_buffer_free(dev); |
530 | return err; | |
531 | } | |
532 | if (0 != (err = saa7134_pgtable_build(dev->pci,&dev->dmasound.pt, | |
533 | dev->dmasound.dma.sglist, | |
534 | dev->dmasound.dma.sglen, | |
535 | 0))) { | |
536 | saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); | |
0705135e | 537 | videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); |
d5ee43af RC |
538 | dsp_buffer_free(dev); |
539 | return err; | |
540 | } | |
541 | ||
542 | /* I should be able to use runtime->dma_addr in the control | |
543 | byte, but it doesn't work. So I allocate the DMA using the | |
544 | V4L functions, and force ALSA to use that as the DMA area */ | |
545 | ||
546 | substream->runtime->dma_area = dev->dmasound.dma.vmalloc; | |
32d111a9 AP |
547 | substream->runtime->dma_bytes = dev->dmasound.bufsize; |
548 | substream->runtime->dma_addr = 0; | |
d5ee43af | 549 | |
32d111a9 | 550 | return 0; |
bd15eba3 | 551 | |
5f7591c0 NS |
552 | } |
553 | ||
b2c15ea9 RC |
554 | /* |
555 | * ALSA hardware release | |
556 | * | |
557 | * - One of the ALSA capture callbacks. | |
558 | * | |
559 | * Called after closing the device, but before snd_card_saa7134_capture_close | |
d5ee43af | 560 | * It stops the DMA audio and releases the buffers. |
b2c15ea9 RC |
561 | * |
562 | */ | |
563 | ||
f7cbb7fc | 564 | static int snd_card_saa7134_hw_free(struct snd_pcm_substream * substream) |
5f7591c0 | 565 | { |
d5ee43af RC |
566 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
567 | struct saa7134_dev *dev; | |
5f7591c0 | 568 | |
d5ee43af | 569 | dev = saa7134->dev; |
5f7591c0 | 570 | |
d5ee43af RC |
571 | if (substream->runtime->dma_area) { |
572 | saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); | |
0705135e | 573 | videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); |
d5ee43af RC |
574 | dsp_buffer_free(dev); |
575 | substream->runtime->dma_area = NULL; | |
576 | } | |
bd15eba3 | 577 | |
4ac97914 | 578 | return 0; |
5f7591c0 NS |
579 | } |
580 | ||
b2c15ea9 RC |
581 | /* |
582 | * ALSA capture finish | |
583 | * | |
584 | * - One of the ALSA capture callbacks. | |
585 | * | |
d5ee43af | 586 | * Called after closing the device. |
b2c15ea9 RC |
587 | * |
588 | */ | |
bd15eba3 | 589 | |
f7cbb7fc | 590 | static int snd_card_saa7134_capture_close(struct snd_pcm_substream * substream) |
5f7591c0 | 591 | { |
dafcaaf8 RC |
592 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
593 | struct saa7134_dev *dev = saa7134->dev; | |
594 | ||
aac0ca6a RB |
595 | if (saa7134->mute_was_on) { |
596 | dev->ctl_mute = 1; | |
597 | saa7134_tvaudio_setmute(dev); | |
598 | } | |
4ac97914 | 599 | return 0; |
5f7591c0 NS |
600 | } |
601 | ||
b2c15ea9 RC |
602 | /* |
603 | * ALSA capture start | |
604 | * | |
605 | * - One of the ALSA capture callbacks. | |
606 | * | |
607 | * Called when opening the device. It creates and populates the PCM | |
608 | * structure | |
609 | * | |
610 | */ | |
5f7591c0 | 611 | |
f7cbb7fc | 612 | static int snd_card_saa7134_capture_open(struct snd_pcm_substream * substream) |
b2c15ea9 | 613 | { |
f7cbb7fc | 614 | struct snd_pcm_runtime *runtime = substream->runtime; |
4aabf633 | 615 | snd_card_saa7134_pcm_t *pcm; |
4ac97914 | 616 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
83ee87a3 | 617 | struct saa7134_dev *dev; |
5cfbacd0 | 618 | int amux, err; |
5f7591c0 | 619 | |
83ee87a3 MCC |
620 | if (!saa7134) { |
621 | printk(KERN_ERR "BUG: saa7134 can't find device struct." | |
622 | " Can't proceed with open\n"); | |
623 | return -ENODEV; | |
624 | } | |
625 | dev = saa7134->dev; | |
3593cab5 | 626 | mutex_lock(&dev->dmasound.lock); |
5f7591c0 | 627 | |
b54134be RC |
628 | dev->dmasound.read_count = 0; |
629 | dev->dmasound.read_offset = 0; | |
bd15eba3 | 630 | |
5cfbacd0 HH |
631 | amux = dev->input->amux; |
632 | if ((amux < 1) || (amux > 3)) | |
633 | amux = 1; | |
634 | dev->dmasound.input = amux - 1; | |
635 | ||
3593cab5 | 636 | mutex_unlock(&dev->dmasound.lock); |
5f7591c0 | 637 | |
4aabf633 RC |
638 | pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); |
639 | if (pcm == NULL) | |
bd15eba3 | 640 | return -ENOMEM; |
bd15eba3 | 641 | |
4aabf633 RC |
642 | pcm->dev=saa7134->dev; |
643 | ||
644 | spin_lock_init(&pcm->lock); | |
bd15eba3 | 645 | |
4aabf633 RC |
646 | pcm->substream = substream; |
647 | runtime->private_data = pcm; | |
bd15eba3 RC |
648 | runtime->private_free = snd_card_saa7134_runtime_free; |
649 | runtime->hw = snd_card_saa7134_capture; | |
650 | ||
aac0ca6a RB |
651 | if (dev->ctl_mute != 0) { |
652 | saa7134->mute_was_on = 1; | |
653 | dev->ctl_mute = 0; | |
654 | saa7134_tvaudio_setmute(dev); | |
655 | } | |
dafcaaf8 | 656 | |
174eb8e8 HL |
657 | err = snd_pcm_hw_constraint_integer(runtime, |
658 | SNDRV_PCM_HW_PARAM_PERIODS); | |
659 | if (err < 0) | |
660 | return err; | |
661 | ||
662 | err = snd_pcm_hw_constraint_step(runtime, 0, | |
663 | SNDRV_PCM_HW_PARAM_PERIODS, 2); | |
664 | if (err < 0) | |
4ac97914 | 665 | return err; |
5f7591c0 NS |
666 | |
667 | return 0; | |
668 | } | |
669 | ||
32d111a9 AP |
670 | /* |
671 | * page callback (needed for mmap) | |
672 | */ | |
673 | ||
674 | static struct page *snd_card_saa7134_page(struct snd_pcm_substream *substream, | |
675 | unsigned long offset) | |
676 | { | |
677 | void *pageptr = substream->runtime->dma_area + offset; | |
678 | return vmalloc_to_page(pageptr); | |
679 | } | |
680 | ||
b2c15ea9 RC |
681 | /* |
682 | * ALSA capture callbacks definition | |
683 | */ | |
5f7591c0 | 684 | |
f7cbb7fc | 685 | static struct snd_pcm_ops snd_card_saa7134_capture_ops = { |
bd15eba3 RC |
686 | .open = snd_card_saa7134_capture_open, |
687 | .close = snd_card_saa7134_capture_close, | |
688 | .ioctl = snd_pcm_lib_ioctl, | |
689 | .hw_params = snd_card_saa7134_hw_params, | |
690 | .hw_free = snd_card_saa7134_hw_free, | |
691 | .prepare = snd_card_saa7134_capture_prepare, | |
692 | .trigger = snd_card_saa7134_capture_trigger, | |
693 | .pointer = snd_card_saa7134_capture_pointer, | |
32d111a9 | 694 | .page = snd_card_saa7134_page, |
5f7591c0 NS |
695 | }; |
696 | ||
b2c15ea9 RC |
697 | /* |
698 | * ALSA PCM setup | |
699 | * | |
700 | * Called when initializing the board. Sets up the name and hooks up | |
701 | * the callbacks | |
702 | * | |
703 | */ | |
704 | ||
705 | static int snd_card_saa7134_pcm(snd_card_saa7134_t *saa7134, int device) | |
bd15eba3 | 706 | { |
f7cbb7fc | 707 | struct snd_pcm *pcm; |
bd15eba3 | 708 | int err; |
5f7591c0 | 709 | |
bd15eba3 RC |
710 | if ((err = snd_pcm_new(saa7134->card, "SAA7134 PCM", device, 0, 1, &pcm)) < 0) |
711 | return err; | |
712 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_saa7134_capture_ops); | |
713 | pcm->private_data = saa7134; | |
714 | pcm->info_flags = 0; | |
715 | strcpy(pcm->name, "SAA7134 PCM"); | |
bd15eba3 RC |
716 | return 0; |
717 | } | |
5f7591c0 | 718 | |
bd15eba3 RC |
719 | #define SAA713x_VOLUME(xname, xindex, addr) \ |
720 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ | |
721 | .info = snd_saa7134_volume_info, \ | |
722 | .get = snd_saa7134_volume_get, .put = snd_saa7134_volume_put, \ | |
723 | .private_value = addr } | |
5f7591c0 | 724 | |
f7cbb7fc TI |
725 | static int snd_saa7134_volume_info(struct snd_kcontrol * kcontrol, |
726 | struct snd_ctl_elem_info * uinfo) | |
bd15eba3 RC |
727 | { |
728 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
729 | uinfo->count = 2; | |
730 | uinfo->value.integer.min = 0; | |
731 | uinfo->value.integer.max = 20; | |
732 | return 0; | |
733 | } | |
5f7591c0 | 734 | |
f7cbb7fc TI |
735 | static int snd_saa7134_volume_get(struct snd_kcontrol * kcontrol, |
736 | struct snd_ctl_elem_value * ucontrol) | |
bd15eba3 RC |
737 | { |
738 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); | |
bd15eba3 RC |
739 | int addr = kcontrol->private_value; |
740 | ||
bd15eba3 RC |
741 | ucontrol->value.integer.value[0] = chip->mixer_volume[addr][0]; |
742 | ucontrol->value.integer.value[1] = chip->mixer_volume[addr][1]; | |
bd15eba3 RC |
743 | return 0; |
744 | } | |
5f7591c0 | 745 | |
f7cbb7fc TI |
746 | static int snd_saa7134_volume_put(struct snd_kcontrol * kcontrol, |
747 | struct snd_ctl_elem_value * ucontrol) | |
5f7591c0 | 748 | { |
bd15eba3 | 749 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
5cfbacd0 HH |
750 | struct saa7134_dev *dev = chip->dev; |
751 | ||
bd15eba3 RC |
752 | int change, addr = kcontrol->private_value; |
753 | int left, right; | |
754 | ||
755 | left = ucontrol->value.integer.value[0]; | |
756 | if (left < 0) | |
757 | left = 0; | |
758 | if (left > 20) | |
759 | left = 20; | |
760 | right = ucontrol->value.integer.value[1]; | |
761 | if (right < 0) | |
762 | right = 0; | |
763 | if (right > 20) | |
764 | right = 20; | |
d5ee43af | 765 | spin_lock_irq(&chip->mixer_lock); |
5cfbacd0 HH |
766 | change = 0; |
767 | if (chip->mixer_volume[addr][0] != left) { | |
768 | change = 1; | |
769 | right = left; | |
770 | } | |
771 | if (chip->mixer_volume[addr][1] != right) { | |
772 | change = 1; | |
773 | left = right; | |
774 | } | |
775 | if (change) { | |
776 | switch (dev->pci->device) { | |
777 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
778 | switch (addr) { | |
779 | case MIXER_ADDR_TVTUNER: | |
780 | left = 20; | |
781 | break; | |
782 | case MIXER_ADDR_LINE1: | |
783 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x10, | |
784 | (left > 10) ? 0x00 : 0x10); | |
785 | break; | |
786 | case MIXER_ADDR_LINE2: | |
787 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x20, | |
788 | (left > 10) ? 0x00 : 0x20); | |
789 | break; | |
790 | } | |
791 | break; | |
792 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
793 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
794 | switch (addr) { | |
795 | case MIXER_ADDR_TVTUNER: | |
796 | left = 20; | |
797 | break; | |
798 | case MIXER_ADDR_LINE1: | |
799 | saa_andorb(0x0594, 0x10, | |
800 | (left > 10) ? 0x00 : 0x10); | |
801 | break; | |
802 | case MIXER_ADDR_LINE2: | |
803 | saa_andorb(0x0594, 0x20, | |
804 | (left > 10) ? 0x00 : 0x20); | |
805 | break; | |
806 | } | |
807 | break; | |
808 | } | |
809 | chip->mixer_volume[addr][0] = left; | |
810 | chip->mixer_volume[addr][1] = right; | |
811 | } | |
d5ee43af | 812 | spin_unlock_irq(&chip->mixer_lock); |
bd15eba3 RC |
813 | return change; |
814 | } | |
5f7591c0 | 815 | |
bd15eba3 RC |
816 | #define SAA713x_CAPSRC(xname, xindex, addr) \ |
817 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ | |
818 | .info = snd_saa7134_capsrc_info, \ | |
819 | .get = snd_saa7134_capsrc_get, .put = snd_saa7134_capsrc_put, \ | |
820 | .private_value = addr } | |
5f7591c0 | 821 | |
f7cbb7fc TI |
822 | static int snd_saa7134_capsrc_info(struct snd_kcontrol * kcontrol, |
823 | struct snd_ctl_elem_info * uinfo) | |
bd15eba3 RC |
824 | { |
825 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
b2c15ea9 | 826 | uinfo->count = 2; |
bd15eba3 RC |
827 | uinfo->value.integer.min = 0; |
828 | uinfo->value.integer.max = 1; | |
829 | return 0; | |
830 | } | |
5f7591c0 | 831 | |
f7cbb7fc TI |
832 | static int snd_saa7134_capsrc_get(struct snd_kcontrol * kcontrol, |
833 | struct snd_ctl_elem_value * ucontrol) | |
bd15eba3 RC |
834 | { |
835 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); | |
bd15eba3 RC |
836 | int addr = kcontrol->private_value; |
837 | ||
d5ee43af | 838 | spin_lock_irq(&chip->mixer_lock); |
bd15eba3 RC |
839 | ucontrol->value.integer.value[0] = chip->capture_source[addr][0]; |
840 | ucontrol->value.integer.value[1] = chip->capture_source[addr][1]; | |
d5ee43af | 841 | spin_unlock_irq(&chip->mixer_lock); |
4aabf633 | 842 | |
5f7591c0 NS |
843 | return 0; |
844 | } | |
845 | ||
f7cbb7fc TI |
846 | static int snd_saa7134_capsrc_put(struct snd_kcontrol * kcontrol, |
847 | struct snd_ctl_elem_value * ucontrol) | |
5f7591c0 | 848 | { |
bd15eba3 | 849 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
bd15eba3 RC |
850 | int change, addr = kcontrol->private_value; |
851 | int left, right; | |
4ac97914 | 852 | u32 anabar, xbarin; |
bd15eba3 RC |
853 | int analog_io, rate; |
854 | struct saa7134_dev *dev; | |
855 | ||
4aabf633 | 856 | dev = chip->dev; |
bd15eba3 RC |
857 | |
858 | left = ucontrol->value.integer.value[0] & 1; | |
859 | right = ucontrol->value.integer.value[1] & 1; | |
c817e763 | 860 | spin_lock_irq(&chip->mixer_lock); |
bd15eba3 | 861 | |
b2c15ea9 | 862 | change = chip->capture_source[addr][0] != left || |
4ac97914 | 863 | chip->capture_source[addr][1] != right; |
bd15eba3 RC |
864 | chip->capture_source[addr][0] = left; |
865 | chip->capture_source[addr][1] = right; | |
b54134be | 866 | dev->dmasound.input=addr; |
c817e763 | 867 | spin_unlock_irq(&chip->mixer_lock); |
bd15eba3 RC |
868 | |
869 | ||
b2c15ea9 | 870 | if (change) { |
4ac97914 | 871 | switch (dev->pci->device) { |
bd15eba3 RC |
872 | |
873 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
4ac97914 MCC |
874 | switch (addr) { |
875 | case MIXER_ADDR_TVTUNER: | |
876 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0xc0); | |
877 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00); | |
878 | break; | |
879 | case MIXER_ADDR_LINE1: | |
880 | case MIXER_ADDR_LINE2: | |
881 | analog_io = (MIXER_ADDR_LINE1 == addr) ? 0x00 : 0x08; | |
b54134be | 882 | rate = (32000 == dev->dmasound.rate) ? 0x01 : 0x03; |
4ac97914 MCC |
883 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, analog_io); |
884 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0x80); | |
885 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, rate); | |
886 | break; | |
887 | } | |
888 | ||
889 | break; | |
bd15eba3 RC |
890 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
891 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
4ac97914 | 892 | xbarin = 0x03; // adc |
bd15eba3 | 893 | anabar = 0; |
4ac97914 MCC |
894 | switch (addr) { |
895 | case MIXER_ADDR_TVTUNER: | |
896 | xbarin = 0; // Demodulator | |
897 | anabar = 2; // DACs | |
898 | break; | |
899 | case MIXER_ADDR_LINE1: | |
900 | anabar = 0; // aux1, aux1 | |
901 | break; | |
902 | case MIXER_ADDR_LINE2: | |
903 | anabar = 9; // aux2, aux2 | |
904 | break; | |
905 | } | |
bd15eba3 | 906 | |
657de3cd | 907 | /* output xbar always main channel */ |
4ac97914 | 908 | saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL1, 0xbbbb10); |
bd15eba3 RC |
909 | |
910 | if (left || right) { // We've got data, turn the input on | |
4ac97914 MCC |
911 | saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, xbarin); |
912 | saa_writel(SAA7133_ANALOG_IO_SELECT, anabar); | |
bd15eba3 | 913 | } else { |
4ac97914 MCC |
914 | saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, 0); |
915 | saa_writel(SAA7133_ANALOG_IO_SELECT, 0); | |
bd15eba3 | 916 | } |
a866623c | 917 | break; |
b2c15ea9 | 918 | } |
4ac97914 | 919 | } |
bd15eba3 RC |
920 | |
921 | return change; | |
5f7591c0 NS |
922 | } |
923 | ||
f7cbb7fc | 924 | static struct snd_kcontrol_new snd_saa7134_controls[] = { |
bd15eba3 RC |
925 | SAA713x_VOLUME("Video Volume", 0, MIXER_ADDR_TVTUNER), |
926 | SAA713x_CAPSRC("Video Capture Switch", 0, MIXER_ADDR_TVTUNER), | |
927 | SAA713x_VOLUME("Line Volume", 1, MIXER_ADDR_LINE1), | |
928 | SAA713x_CAPSRC("Line Capture Switch", 1, MIXER_ADDR_LINE1), | |
929 | SAA713x_VOLUME("Line Volume", 2, MIXER_ADDR_LINE2), | |
930 | SAA713x_CAPSRC("Line Capture Switch", 2, MIXER_ADDR_LINE2), | |
931 | }; | |
5f7591c0 | 932 | |
b2c15ea9 RC |
933 | /* |
934 | * ALSA mixer setup | |
935 | * | |
936 | * Called when initializing the board. Sets up the name and hooks up | |
937 | * the callbacks | |
938 | * | |
939 | */ | |
940 | ||
941 | static int snd_card_saa7134_new_mixer(snd_card_saa7134_t * chip) | |
bd15eba3 | 942 | { |
f7cbb7fc | 943 | struct snd_card *card = chip->card; |
bd15eba3 RC |
944 | unsigned int idx; |
945 | int err; | |
946 | ||
5e246b85 TI |
947 | if (snd_BUG_ON(!chip)) |
948 | return -EINVAL; | |
bd15eba3 | 949 | strcpy(card->mixername, "SAA7134 Mixer"); |
5f7591c0 | 950 | |
bd15eba3 RC |
951 | for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_controls); idx++) { |
952 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_saa7134_controls[idx], chip))) < 0) | |
953 | return err; | |
954 | } | |
955 | return 0; | |
956 | } | |
957 | ||
f7cbb7fc | 958 | static void snd_saa7134_free(struct snd_card * card) |
5f7591c0 | 959 | { |
d5ee43af | 960 | snd_card_saa7134_t *chip = card->private_data; |
c817e763 | 961 | |
4aabf633 | 962 | if (chip->dev->dmasound.priv_data == NULL) |
d5ee43af | 963 | return; |
4aabf633 | 964 | |
f000fd80 | 965 | if (chip->irq >= 0) |
4aabf633 | 966 | free_irq(chip->irq, &chip->dev->dmasound); |
c817e763 | 967 | |
4aabf633 RC |
968 | chip->dev->dmasound.priv_data = NULL; |
969 | ||
bd15eba3 | 970 | } |
5f7591c0 | 971 | |
b2c15ea9 RC |
972 | /* |
973 | * ALSA initialization | |
974 | * | |
c817e763 RC |
975 | * Called by the init routine, once for each saa7134 device present, |
976 | * it creates the basic structures and registers the ALSA devices | |
b2c15ea9 RC |
977 | * |
978 | */ | |
979 | ||
943a4902 | 980 | static int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum) |
bd15eba3 | 981 | { |
79dd0c69 | 982 | |
f7cbb7fc | 983 | struct snd_card *card; |
b2c15ea9 | 984 | snd_card_saa7134_t *chip; |
bd15eba3 | 985 | int err; |
5f7591c0 | 986 | |
79dd0c69 | 987 | |
4aabf633 | 988 | if (devnum >= SNDRV_CARDS) |
4ac97914 | 989 | return -ENODEV; |
4aabf633 | 990 | if (!enable[devnum]) |
bd15eba3 | 991 | return -ENODEV; |
b2c15ea9 | 992 | |
758021bf TI |
993 | err = snd_card_create(index[devnum], id[devnum], THIS_MODULE, |
994 | sizeof(snd_card_saa7134_t), &card); | |
995 | if (err < 0) | |
996 | return err; | |
5f7591c0 | 997 | |
bd15eba3 | 998 | strcpy(card->driver, "SAA7134"); |
5f7591c0 | 999 | |
bd15eba3 | 1000 | /* Card "creation" */ |
b2c15ea9 | 1001 | |
c817e763 RC |
1002 | card->private_free = snd_saa7134_free; |
1003 | chip = (snd_card_saa7134_t *) card->private_data; | |
5f7591c0 | 1004 | |
4ac97914 | 1005 | spin_lock_init(&chip->lock); |
b54134be | 1006 | spin_lock_init(&chip->mixer_lock); |
5f7591c0 | 1007 | |
4aabf633 | 1008 | chip->dev = dev; |
5f7591c0 | 1009 | |
4ac97914 | 1010 | chip->card = card; |
b2c15ea9 | 1011 | |
4aabf633 | 1012 | chip->pci = dev->pci; |
4aabf633 RC |
1013 | chip->iobase = pci_resource_start(dev->pci, 0); |
1014 | ||
5f7591c0 | 1015 | |
4aabf633 | 1016 | err = request_irq(dev->pci->irq, saa7134_alsa_irq, |
8076fe32 | 1017 | IRQF_SHARED | IRQF_DISABLED, dev->name, |
4aabf633 | 1018 | (void*) &dev->dmasound); |
79dd0c69 RC |
1019 | |
1020 | if (err < 0) { | |
1021 | printk(KERN_ERR "%s: can't get IRQ %d for ALSA\n", | |
4aabf633 | 1022 | dev->name, dev->pci->irq); |
b54134be | 1023 | goto __nodev; |
79dd0c69 RC |
1024 | } |
1025 | ||
d5ee43af | 1026 | chip->irq = dev->pci->irq; |
4aabf633 | 1027 | |
3593cab5 | 1028 | mutex_init(&dev->dmasound.lock); |
5f7591c0 | 1029 | |
bd15eba3 RC |
1030 | if ((err = snd_card_saa7134_new_mixer(chip)) < 0) |
1031 | goto __nodev; | |
5f7591c0 | 1032 | |
bd15eba3 RC |
1033 | if ((err = snd_card_saa7134_pcm(chip, 0)) < 0) |
1034 | goto __nodev; | |
b2c15ea9 | 1035 | |
bd15eba3 | 1036 | snd_card_set_dev(card, &chip->pci->dev); |
5f7591c0 | 1037 | |
bd15eba3 | 1038 | /* End of "creation" */ |
5f7591c0 | 1039 | |
bd15eba3 | 1040 | strcpy(card->shortname, "SAA7134"); |
4ac97914 | 1041 | sprintf(card->longname, "%s at 0x%lx irq %d", |
4aabf633 | 1042 | chip->dev->name, chip->iobase, chip->irq); |
5f7591c0 | 1043 | |
f5b974cb RC |
1044 | printk(KERN_INFO "%s/alsa: %s registered as card %d\n",dev->name,card->longname,index[devnum]); |
1045 | ||
bd15eba3 | 1046 | if ((err = snd_card_register(card)) == 0) { |
4aabf633 | 1047 | snd_saa7134_cards[devnum] = card; |
bd15eba3 RC |
1048 | return 0; |
1049 | } | |
1050 | ||
1051 | __nodev: | |
1052 | snd_card_free(card); | |
bd15eba3 | 1053 | return err; |
5f7591c0 NS |
1054 | } |
1055 | ||
f5b974cb RC |
1056 | |
1057 | static int alsa_device_init(struct saa7134_dev *dev) | |
1058 | { | |
1059 | dev->dmasound.priv_data = dev; | |
1060 | alsa_card_saa7134_create(dev,dev->nr); | |
1061 | return 1; | |
1062 | } | |
1063 | ||
1064 | static int alsa_device_exit(struct saa7134_dev *dev) | |
1065 | { | |
1066 | ||
1067 | snd_card_free(snd_saa7134_cards[dev->nr]); | |
1068 | snd_saa7134_cards[dev->nr] = NULL; | |
1069 | return 1; | |
1070 | } | |
1071 | ||
79dd0c69 RC |
1072 | /* |
1073 | * Module initializer | |
1074 | * | |
1075 | * Loops through present saa7134 cards, and assigns an ALSA device | |
1076 | * to each one | |
1077 | * | |
1078 | */ | |
1079 | ||
1080 | static int saa7134_alsa_init(void) | |
1081 | { | |
4aabf633 | 1082 | struct saa7134_dev *dev = NULL; |
c817e763 | 1083 | struct list_head *list; |
79dd0c69 | 1084 | |
166fb6b4 AB |
1085 | saa7134_dmasound_init = alsa_device_init; |
1086 | saa7134_dmasound_exit = alsa_device_exit; | |
7bb95296 | 1087 | |
afd1a0c9 | 1088 | printk(KERN_INFO "saa7134 ALSA driver for DMA sound loaded\n"); |
c817e763 RC |
1089 | |
1090 | list_for_each(list,&saa7134_devlist) { | |
4aabf633 | 1091 | dev = list_entry(list, struct saa7134_dev, devlist); |
40c41c8c MCC |
1092 | if (dev->pci->device == PCI_DEVICE_ID_PHILIPS_SAA7130) |
1093 | printk(KERN_INFO "%s/alsa: %s doesn't support digital audio\n", | |
1094 | dev->name, saa7134_boards[dev->board].name); | |
1095 | else | |
1096 | alsa_device_init(dev); | |
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"); |