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b7f355d2 MCC |
1 | /* |
2 | * | |
3 | * Support for audio capture | |
4 | * PCI function #1 of the cx2388x. | |
5 | * | |
6 | * (c) 2005,2006 Ricardo Cerqueira <v4l@cerqueira.org> | |
2e7c6dc3 | 7 | * (c) 2005 Mauro Carvalho Chehab <mchehab@infradead.org> |
b7f355d2 MCC |
8 | * Based on a dummy cx88 module by Gerd Knorr <kraxel@bytesex.org> |
9 | * Based on dummy.c by Jaroslav Kysela <perex@suse.cz> | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2 of the License, or | |
14 | * (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 | */ | |
25 | ||
26 | #include <linux/module.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/device.h> | |
29 | #include <linux/interrupt.h> | |
30 | #include <asm/delay.h> | |
31 | #include <sound/driver.h> | |
32 | #include <sound/core.h> | |
33 | #include <sound/pcm.h> | |
34 | #include <sound/pcm_params.h> | |
35 | #include <sound/control.h> | |
36 | #include <sound/initval.h> | |
37 | ||
38 | #include "cx88.h" | |
39 | #include "cx88-reg.h" | |
40 | ||
41 | #define dprintk(level,fmt, arg...) if (debug >= level) \ | |
42 | printk(KERN_INFO "%s/1: " fmt, chip->core->name , ## arg) | |
43 | ||
44 | #define dprintk_core(level,fmt, arg...) if (debug >= level) \ | |
45 | printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg) | |
46 | ||
47 | ||
48 | /**************************************************************************** | |
49 | Data type declarations - Can be moded to a header file later | |
50 | ****************************************************************************/ | |
51 | ||
52 | /* These can be replaced after done */ | |
53 | #define MIXER_ADDR_LAST MAX_CX88_INPUT | |
54 | ||
55 | struct cx88_audio_dev { | |
56 | struct cx88_core *core; | |
57 | struct cx88_dmaqueue q; | |
58 | ||
59 | /* pci i/o */ | |
60 | struct pci_dev *pci; | |
61 | unsigned char pci_rev,pci_lat; | |
62 | ||
63 | /* audio controls */ | |
64 | int irq; | |
65 | ||
f7cbb7fc | 66 | struct snd_card *card; |
b7f355d2 MCC |
67 | |
68 | spinlock_t reg_lock; | |
69 | ||
70 | unsigned int dma_size; | |
71 | unsigned int period_size; | |
72 | unsigned int num_periods; | |
73 | ||
74 | struct videobuf_dmabuf dma_risc; | |
75 | ||
76 | int mixer_volume[MIXER_ADDR_LAST+1][2]; | |
77 | int capture_source[MIXER_ADDR_LAST+1][2]; | |
78 | ||
79 | long int read_count; | |
80 | long int read_offset; | |
81 | ||
82 | struct cx88_buffer *buf; | |
83 | ||
84 | long opened; | |
f7cbb7fc | 85 | struct snd_pcm_substream *substream; |
b7f355d2 MCC |
86 | |
87 | }; | |
88 | typedef struct cx88_audio_dev snd_cx88_card_t; | |
89 | ||
90 | ||
91 | ||
92 | /**************************************************************************** | |
93 | Module global static vars | |
94 | ****************************************************************************/ | |
95 | ||
96 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
97 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
98 | static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1}; | |
f7cbb7fc | 99 | static struct snd_card *snd_cx88_cards[SNDRV_CARDS]; |
b7f355d2 MCC |
100 | |
101 | module_param_array(enable, bool, NULL, 0444); | |
102 | MODULE_PARM_DESC(enable, "Enable cx88x soundcard. default enabled."); | |
103 | ||
104 | module_param_array(index, int, NULL, 0444); | |
105 | MODULE_PARM_DESC(index, "Index value for cx88x capture interface(s)."); | |
106 | ||
107 | ||
108 | /**************************************************************************** | |
109 | Module macros | |
110 | ****************************************************************************/ | |
111 | ||
112 | MODULE_DESCRIPTION("ALSA driver module for cx2388x based TV cards"); | |
113 | MODULE_AUTHOR("Ricardo Cerqueira"); | |
2e7c6dc3 | 114 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); |
b7f355d2 MCC |
115 | MODULE_LICENSE("GPL"); |
116 | MODULE_SUPPORTED_DEVICE("{{Conexant,23881}," | |
117 | "{{Conexant,23882}," | |
118 | "{{Conexant,23883}"); | |
a5ed425c | 119 | static unsigned int debug; |
b7f355d2 MCC |
120 | module_param(debug,int,0644); |
121 | MODULE_PARM_DESC(debug,"enable debug messages"); | |
122 | ||
123 | /**************************************************************************** | |
124 | Module specific funtions | |
125 | ****************************************************************************/ | |
126 | ||
127 | /* | |
128 | * BOARD Specific: Sets audio DMA | |
129 | */ | |
130 | ||
be8a82d1 | 131 | static int _cx88_start_audio_dma(snd_cx88_card_t *chip) |
b7f355d2 MCC |
132 | { |
133 | struct cx88_buffer *buf = chip->buf; | |
134 | struct cx88_core *core=chip->core; | |
135 | struct sram_channel *audio_ch = &cx88_sram_channels[SRAM_CH25]; | |
136 | ||
137 | ||
138 | dprintk(1, "Starting audio DMA for %i bytes/line and %i (%i) lines at address %08x\n",buf->bpl, chip->num_periods, audio_ch->fifo_size / buf->bpl, audio_ch->fifo_start); | |
139 | ||
140 | /* setup fifo + format - out channel */ | |
141 | cx88_sram_channel_setup(chip->core, &cx88_sram_channels[SRAM_CH25], | |
142 | buf->bpl, buf->risc.dma); | |
143 | ||
144 | /* sets bpl size */ | |
145 | cx_write(MO_AUDD_LNGTH, buf->bpl); | |
146 | ||
147 | /* reset counter */ | |
148 | cx_write(MO_AUDD_GPCNTRL,GP_COUNT_CONTROL_RESET); | |
149 | ||
150 | dprintk(1,"Enabling IRQ, setting mask from 0x%x to 0x%x\n",chip->core->pci_irqmask,(chip->core->pci_irqmask | 0x02)); | |
151 | /* enable irqs */ | |
152 | cx_set(MO_PCI_INTMSK, chip->core->pci_irqmask | 0x02); | |
153 | ||
154 | ||
155 | /* Enables corresponding bits at AUD_INT_STAT */ | |
156 | cx_write(MO_AUD_INTMSK, | |
157 | (1<<16)| | |
158 | (1<<12)| | |
159 | (1<<4)| | |
160 | (1<<0) | |
161 | ); | |
162 | ||
163 | /* start dma */ | |
164 | cx_set(MO_DEV_CNTRL2, (1<<5)); /* Enables Risc Processor */ | |
165 | cx_set(MO_AUD_DMACNTRL, 0x11); /* audio downstream FIFO and RISC enable */ | |
166 | ||
167 | if (debug) | |
168 | cx88_sram_channel_dump(chip->core, &cx88_sram_channels[SRAM_CH25]); | |
169 | ||
170 | return 0; | |
171 | } | |
172 | ||
173 | /* | |
174 | * BOARD Specific: Resets audio DMA | |
175 | */ | |
be8a82d1 | 176 | static int _cx88_stop_audio_dma(snd_cx88_card_t *chip) |
b7f355d2 MCC |
177 | { |
178 | struct cx88_core *core=chip->core; | |
179 | dprintk(1, "Stopping audio DMA\n"); | |
180 | ||
181 | /* stop dma */ | |
182 | cx_clear(MO_AUD_DMACNTRL, 0x11); | |
183 | ||
184 | /* disable irqs */ | |
185 | cx_clear(MO_PCI_INTMSK, 0x02); | |
186 | cx_clear(MO_AUD_INTMSK, | |
187 | (1<<16)| | |
188 | (1<<12)| | |
189 | (1<<4)| | |
190 | (1<<0) | |
191 | ); | |
192 | ||
193 | if (debug) | |
194 | cx88_sram_channel_dump(chip->core, &cx88_sram_channels[SRAM_CH25]); | |
195 | ||
196 | return 0; | |
197 | } | |
198 | ||
199 | #define MAX_IRQ_LOOP 10 | |
200 | ||
201 | /* | |
202 | * BOARD Specific: IRQ dma bits | |
203 | */ | |
204 | static char *cx88_aud_irqs[32] = { | |
205 | "dn_risci1", "up_risci1", "rds_dn_risc1", /* 0-2 */ | |
206 | NULL, /* reserved */ | |
207 | "dn_risci2", "up_risci2", "rds_dn_risc2", /* 4-6 */ | |
208 | NULL, /* reserved */ | |
209 | "dnf_of", "upf_uf", "rds_dnf_uf", /* 8-10 */ | |
210 | NULL, /* reserved */ | |
211 | "dn_sync", "up_sync", "rds_dn_sync", /* 12-14 */ | |
212 | NULL, /* reserved */ | |
213 | "opc_err", "par_err", "rip_err", /* 16-18 */ | |
214 | "pci_abort", "ber_irq", "mchg_irq" /* 19-21 */ | |
215 | }; | |
216 | ||
217 | /* | |
218 | * BOARD Specific: Threats IRQ audio specific calls | |
219 | */ | |
220 | static void cx8801_aud_irq(snd_cx88_card_t *chip) | |
221 | { | |
222 | struct cx88_core *core = chip->core; | |
223 | u32 status, mask; | |
224 | u32 count; | |
225 | ||
226 | status = cx_read(MO_AUD_INTSTAT); | |
227 | mask = cx_read(MO_AUD_INTMSK); | |
228 | if (0 == (status & mask)) { | |
229 | spin_unlock(&chip->reg_lock); | |
230 | return; | |
231 | } | |
232 | cx_write(MO_AUD_INTSTAT, status); | |
233 | if (debug > 1 || (status & mask & ~0xff)) | |
234 | cx88_print_irqbits(core->name, "irq aud", | |
235 | cx88_aud_irqs, status, mask); | |
236 | /* risc op code error */ | |
237 | if (status & (1 << 16)) { | |
238 | printk(KERN_WARNING "%s/0: audio risc op code error\n",core->name); | |
239 | cx_clear(MO_AUD_DMACNTRL, 0x11); | |
240 | cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH25]); | |
241 | } | |
242 | ||
243 | /* risc1 downstream */ | |
244 | if (status & 0x01) { | |
245 | spin_lock(&chip->reg_lock); | |
246 | count = cx_read(MO_AUDD_GPCNT); | |
247 | spin_unlock(&chip->reg_lock); | |
248 | if (chip->read_count == 0) | |
249 | chip->read_count += chip->dma_size; | |
250 | } | |
251 | ||
252 | if (chip->read_count >= chip->period_size) { | |
253 | dprintk(2, "Elapsing period\n"); | |
254 | snd_pcm_period_elapsed(chip->substream); | |
255 | } | |
256 | ||
257 | dprintk(3,"Leaving audio IRQ handler...\n"); | |
258 | ||
259 | /* FIXME: Any other status should deserve a special handling? */ | |
260 | } | |
261 | ||
262 | /* | |
263 | * BOARD Specific: Handles IRQ calls | |
264 | */ | |
265 | static irqreturn_t cx8801_irq(int irq, void *dev_id, struct pt_regs *regs) | |
266 | { | |
267 | snd_cx88_card_t *chip = dev_id; | |
268 | struct cx88_core *core = chip->core; | |
269 | u32 status; | |
270 | int loop, handled = 0; | |
271 | ||
272 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { | |
273 | status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x02); | |
274 | if (0 == status) | |
275 | goto out; | |
276 | dprintk( 3, "cx8801_irq\n" ); | |
277 | dprintk( 3, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); | |
278 | dprintk( 3, " status: %d\n", status ); | |
279 | handled = 1; | |
280 | cx_write(MO_PCI_INTSTAT, status); | |
281 | ||
282 | if (status & 0x02) | |
283 | { | |
284 | dprintk( 2, " ALSA IRQ handling\n" ); | |
285 | cx8801_aud_irq(chip); | |
286 | } | |
287 | }; | |
288 | ||
289 | if (MAX_IRQ_LOOP == loop) { | |
290 | dprintk( 0, "clearing mask\n" ); | |
291 | dprintk(1,"%s/0: irq loop -- clearing mask\n", | |
292 | core->name); | |
293 | cx_clear(MO_PCI_INTMSK,0x02); | |
294 | } | |
295 | ||
296 | out: | |
297 | return IRQ_RETVAL(handled); | |
298 | } | |
299 | ||
300 | ||
301 | static int dsp_buffer_free(snd_cx88_card_t *chip) | |
302 | { | |
303 | BUG_ON(!chip->dma_size); | |
304 | ||
305 | dprintk(2,"Freeing buffer\n"); | |
c7b0ac05 | 306 | videobuf_pci_dma_unmap(chip->pci, &chip->dma_risc); |
b7f355d2 MCC |
307 | videobuf_dma_free(&chip->dma_risc); |
308 | btcx_riscmem_free(chip->pci,&chip->buf->risc); | |
309 | kfree(chip->buf); | |
310 | ||
311 | chip->dma_size = 0; | |
312 | ||
313 | return 0; | |
314 | } | |
315 | ||
316 | /**************************************************************************** | |
317 | ALSA PCM Interface | |
318 | ****************************************************************************/ | |
319 | ||
320 | /* | |
321 | * Digital hardware definition | |
322 | */ | |
f7cbb7fc | 323 | static struct snd_pcm_hardware snd_cx88_digital_hw = { |
b7f355d2 MCC |
324 | .info = SNDRV_PCM_INFO_MMAP | |
325 | SNDRV_PCM_INFO_INTERLEAVED | | |
326 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
327 | SNDRV_PCM_INFO_MMAP_VALID, | |
328 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
329 | ||
330 | .rates = SNDRV_PCM_RATE_48000, | |
331 | .rate_min = 48000, | |
332 | .rate_max = 48000, | |
333 | .channels_min = 1, | |
334 | .channels_max = 2, | |
335 | .buffer_bytes_max = (2*2048), | |
18adfe7a | 336 | .period_bytes_min = 2048, |
b7f355d2 MCC |
337 | .period_bytes_max = 2048, |
338 | .periods_min = 2, | |
18adfe7a | 339 | .periods_max = 2, |
b7f355d2 MCC |
340 | }; |
341 | ||
342 | /* | |
343 | * audio pcm capture runtime free | |
344 | */ | |
f7cbb7fc | 345 | static void snd_card_cx88_runtime_free(struct snd_pcm_runtime *runtime) |
b7f355d2 MCC |
346 | { |
347 | } | |
348 | /* | |
349 | * audio pcm capture open callback | |
350 | */ | |
f7cbb7fc | 351 | static int snd_cx88_pcm_open(struct snd_pcm_substream *substream) |
b7f355d2 MCC |
352 | { |
353 | snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); | |
f7cbb7fc | 354 | struct snd_pcm_runtime *runtime = substream->runtime; |
b7f355d2 MCC |
355 | int err; |
356 | ||
357 | if (test_and_set_bit(0, &chip->opened)) | |
358 | return -EBUSY; | |
359 | ||
360 | err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); | |
361 | if (err < 0) | |
362 | goto _error; | |
363 | ||
364 | chip->substream = substream; | |
365 | ||
366 | chip->read_count = 0; | |
367 | chip->read_offset = 0; | |
368 | ||
369 | runtime->private_free = snd_card_cx88_runtime_free; | |
370 | runtime->hw = snd_cx88_digital_hw; | |
371 | ||
372 | return 0; | |
373 | _error: | |
374 | dprintk(1,"Error opening PCM!\n"); | |
375 | clear_bit(0, &chip->opened); | |
376 | smp_mb__after_clear_bit(); | |
377 | return err; | |
378 | } | |
379 | ||
380 | /* | |
381 | * audio close callback | |
382 | */ | |
f7cbb7fc | 383 | static int snd_cx88_close(struct snd_pcm_substream *substream) |
b7f355d2 MCC |
384 | { |
385 | snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); | |
386 | ||
387 | clear_bit(0, &chip->opened); | |
388 | smp_mb__after_clear_bit(); | |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
393 | /* | |
394 | * hw_params callback | |
395 | */ | |
f7cbb7fc TI |
396 | static int snd_cx88_hw_params(struct snd_pcm_substream * substream, |
397 | struct snd_pcm_hw_params * hw_params) | |
b7f355d2 MCC |
398 | { |
399 | snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); | |
400 | struct cx88_buffer *buf; | |
401 | ||
402 | if (substream->runtime->dma_area) { | |
403 | dsp_buffer_free(chip); | |
404 | substream->runtime->dma_area = NULL; | |
405 | } | |
406 | ||
407 | ||
408 | chip->period_size = params_period_bytes(hw_params); | |
409 | chip->num_periods = params_periods(hw_params); | |
410 | chip->dma_size = chip->period_size * params_periods(hw_params); | |
411 | ||
412 | BUG_ON(!chip->dma_size); | |
413 | ||
414 | dprintk(1,"Setting buffer\n"); | |
415 | ||
416 | buf = kmalloc(sizeof(*buf),GFP_KERNEL); | |
417 | if (NULL == buf) | |
418 | return -ENOMEM; | |
419 | memset(buf,0,sizeof(*buf)); | |
420 | ||
421 | ||
422 | buf->vb.memory = V4L2_MEMORY_MMAP; | |
423 | buf->vb.width = chip->period_size; | |
424 | buf->vb.height = chip->num_periods; | |
425 | buf->vb.size = chip->dma_size; | |
426 | buf->vb.field = V4L2_FIELD_NONE; | |
427 | ||
428 | videobuf_dma_init(&buf->vb.dma); | |
429 | videobuf_dma_init_kernel(&buf->vb.dma,PCI_DMA_FROMDEVICE, | |
430 | (PAGE_ALIGN(buf->vb.size) >> PAGE_SHIFT)); | |
431 | ||
c7b0ac05 | 432 | videobuf_pci_dma_map(chip->pci,&buf->vb.dma); |
b7f355d2 MCC |
433 | |
434 | ||
435 | cx88_risc_databuffer(chip->pci, &buf->risc, | |
436 | buf->vb.dma.sglist, | |
437 | buf->vb.width, buf->vb.height); | |
438 | ||
439 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
440 | buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
441 | ||
442 | buf->vb.state = STATE_PREPARED; | |
443 | ||
444 | buf->bpl = chip->period_size; | |
445 | chip->buf = buf; | |
446 | chip->dma_risc = buf->vb.dma; | |
447 | ||
448 | dprintk(1,"Buffer ready at %u\n",chip->dma_risc.nr_pages); | |
449 | substream->runtime->dma_area = chip->dma_risc.vmalloc; | |
450 | return 0; | |
451 | } | |
452 | ||
453 | /* | |
454 | * hw free callback | |
455 | */ | |
f7cbb7fc | 456 | static int snd_cx88_hw_free(struct snd_pcm_substream * substream) |
b7f355d2 MCC |
457 | { |
458 | ||
459 | snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); | |
460 | ||
461 | if (substream->runtime->dma_area) { | |
462 | dsp_buffer_free(chip); | |
463 | substream->runtime->dma_area = NULL; | |
464 | } | |
465 | ||
466 | return 0; | |
467 | } | |
468 | ||
469 | /* | |
470 | * prepare callback | |
471 | */ | |
f7cbb7fc | 472 | static int snd_cx88_prepare(struct snd_pcm_substream *substream) |
b7f355d2 MCC |
473 | { |
474 | return 0; | |
475 | } | |
476 | ||
477 | ||
478 | /* | |
479 | * trigger callback | |
480 | */ | |
f7cbb7fc | 481 | static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd) |
b7f355d2 MCC |
482 | { |
483 | snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); | |
484 | int err; | |
485 | ||
486 | spin_lock(&chip->reg_lock); | |
487 | ||
488 | switch (cmd) { | |
489 | case SNDRV_PCM_TRIGGER_START: | |
490 | err=_cx88_start_audio_dma(chip); | |
491 | break; | |
492 | case SNDRV_PCM_TRIGGER_STOP: | |
493 | err=_cx88_stop_audio_dma(chip); | |
494 | break; | |
495 | default: | |
496 | err=-EINVAL; | |
497 | break; | |
498 | } | |
499 | ||
500 | spin_unlock(&chip->reg_lock); | |
501 | ||
502 | return err; | |
503 | } | |
504 | ||
505 | /* | |
506 | * pointer callback | |
507 | */ | |
f7cbb7fc | 508 | static snd_pcm_uframes_t snd_cx88_pointer(struct snd_pcm_substream *substream) |
b7f355d2 MCC |
509 | { |
510 | snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); | |
f7cbb7fc | 511 | struct snd_pcm_runtime *runtime = substream->runtime; |
b7f355d2 MCC |
512 | |
513 | if (chip->read_count) { | |
514 | chip->read_count -= snd_pcm_lib_period_bytes(substream); | |
515 | chip->read_offset += snd_pcm_lib_period_bytes(substream); | |
516 | if (chip->read_offset == chip->dma_size) | |
517 | chip->read_offset = 0; | |
518 | } | |
519 | ||
520 | dprintk(2, "Pointer time, will return %li, read %li\n",chip->read_offset,chip->read_count); | |
521 | return bytes_to_frames(runtime, chip->read_offset); | |
522 | ||
523 | } | |
524 | ||
525 | /* | |
526 | * operators | |
527 | */ | |
f7cbb7fc | 528 | static struct snd_pcm_ops snd_cx88_pcm_ops = { |
b7f355d2 MCC |
529 | .open = snd_cx88_pcm_open, |
530 | .close = snd_cx88_close, | |
531 | .ioctl = snd_pcm_lib_ioctl, | |
532 | .hw_params = snd_cx88_hw_params, | |
533 | .hw_free = snd_cx88_hw_free, | |
534 | .prepare = snd_cx88_prepare, | |
535 | .trigger = snd_cx88_card_trigger, | |
536 | .pointer = snd_cx88_pointer, | |
537 | }; | |
538 | ||
539 | /* | |
540 | * create a PCM device | |
541 | */ | |
542 | static int __devinit snd_cx88_pcm(snd_cx88_card_t *chip, int device, char *name) | |
543 | { | |
544 | int err; | |
f7cbb7fc | 545 | struct snd_pcm *pcm; |
b7f355d2 MCC |
546 | |
547 | err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm); | |
548 | if (err < 0) | |
549 | return err; | |
550 | pcm->private_data = chip; | |
551 | strcpy(pcm->name, name); | |
552 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cx88_pcm_ops); | |
553 | ||
554 | return 0; | |
555 | } | |
556 | ||
557 | /**************************************************************************** | |
558 | CONTROL INTERFACE | |
559 | ****************************************************************************/ | |
f7cbb7fc TI |
560 | static int snd_cx88_capture_volume_info(struct snd_kcontrol *kcontrol, |
561 | struct snd_ctl_elem_info *info) | |
b7f355d2 MCC |
562 | { |
563 | info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
564 | info->count = 1; | |
565 | info->value.integer.min = 0; | |
566 | info->value.integer.max = 0x3f; | |
567 | ||
568 | return 0; | |
569 | } | |
570 | ||
571 | /* OK - TODO: test it */ | |
f7cbb7fc TI |
572 | static int snd_cx88_capture_volume_get(struct snd_kcontrol *kcontrol, |
573 | struct snd_ctl_elem_value *value) | |
b7f355d2 MCC |
574 | { |
575 | snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); | |
576 | struct cx88_core *core=chip->core; | |
577 | ||
578 | value->value.integer.value[0] = 0x3f - (cx_read(AUD_VOL_CTL) & 0x3f); | |
579 | ||
580 | return 0; | |
581 | } | |
582 | ||
583 | /* OK - TODO: test it */ | |
f7cbb7fc TI |
584 | static int snd_cx88_capture_volume_put(struct snd_kcontrol *kcontrol, |
585 | struct snd_ctl_elem_value *value) | |
b7f355d2 MCC |
586 | { |
587 | snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); | |
588 | struct cx88_core *core=chip->core; | |
589 | int v; | |
590 | u32 old_control; | |
591 | ||
592 | spin_lock_irq(&chip->reg_lock); | |
593 | old_control = 0x3f - (cx_read(AUD_VOL_CTL) & 0x3f); | |
594 | v = 0x3f - (value->value.integer.value[0] & 0x3f); | |
595 | cx_andor(AUD_VOL_CTL, 0x3f, v); | |
596 | spin_unlock_irq(&chip->reg_lock); | |
597 | ||
598 | return v != old_control; | |
599 | } | |
600 | ||
f7cbb7fc | 601 | static struct snd_kcontrol_new snd_cx88_capture_volume = { |
b7f355d2 MCC |
602 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
603 | .name = "Capture Volume", | |
604 | .info = snd_cx88_capture_volume_info, | |
605 | .get = snd_cx88_capture_volume_get, | |
606 | .put = snd_cx88_capture_volume_put, | |
607 | }; | |
608 | ||
609 | ||
610 | /**************************************************************************** | |
611 | Basic Flow for Sound Devices | |
612 | ****************************************************************************/ | |
613 | ||
614 | /* | |
615 | * PCI ID Table - 14f1:8801 and 14f1:8811 means function 1: Audio | |
616 | * Only boards with eeprom and byte 1 at eeprom=1 have it | |
617 | */ | |
618 | ||
396c9b92 | 619 | static struct pci_device_id cx88_audio_pci_tbl[] __devinitdata = { |
b7f355d2 MCC |
620 | {0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0}, |
621 | {0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0}, | |
622 | {0, } | |
623 | }; | |
624 | MODULE_DEVICE_TABLE(pci, cx88_audio_pci_tbl); | |
625 | ||
626 | /* | |
627 | * Chip-specific destructor | |
628 | */ | |
629 | ||
630 | static int snd_cx88_free(snd_cx88_card_t *chip) | |
631 | { | |
632 | ||
633 | if (chip->irq >= 0){ | |
634 | synchronize_irq(chip->irq); | |
635 | free_irq(chip->irq, chip); | |
636 | } | |
637 | ||
638 | cx88_core_put(chip->core,chip->pci); | |
639 | ||
640 | pci_disable_device(chip->pci); | |
641 | return 0; | |
642 | } | |
643 | ||
644 | /* | |
645 | * Component Destructor | |
646 | */ | |
f7cbb7fc | 647 | static void snd_cx88_dev_free(struct snd_card * card) |
b7f355d2 MCC |
648 | { |
649 | snd_cx88_card_t *chip = card->private_data; | |
650 | ||
651 | snd_cx88_free(chip); | |
652 | } | |
653 | ||
654 | ||
655 | /* | |
656 | * Alsa Constructor - Component probe | |
657 | */ | |
658 | ||
a5ed425c | 659 | static int devno; |
f7cbb7fc TI |
660 | static int __devinit snd_cx88_create(struct snd_card *card, |
661 | struct pci_dev *pci, | |
662 | snd_cx88_card_t **rchip) | |
b7f355d2 MCC |
663 | { |
664 | snd_cx88_card_t *chip; | |
665 | struct cx88_core *core; | |
666 | int err; | |
667 | ||
668 | *rchip = NULL; | |
669 | ||
670 | err = pci_enable_device(pci); | |
671 | if (err < 0) | |
672 | return err; | |
673 | ||
674 | pci_set_master(pci); | |
675 | ||
676 | chip = (snd_cx88_card_t *) card->private_data; | |
677 | ||
678 | core = cx88_core_get(pci); | |
31dcbf99 DS |
679 | if (NULL == core) { |
680 | err = -EINVAL; | |
681 | kfree (chip); | |
682 | return err; | |
683 | } | |
b7f355d2 MCC |
684 | |
685 | if (!pci_dma_supported(pci,0xffffffff)) { | |
686 | dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name); | |
687 | err = -EIO; | |
688 | cx88_core_put(core,pci); | |
689 | return err; | |
690 | } | |
691 | ||
692 | ||
693 | /* pci init */ | |
694 | chip->card = card; | |
695 | chip->pci = pci; | |
696 | chip->irq = -1; | |
697 | spin_lock_init(&chip->reg_lock); | |
698 | ||
b7f355d2 MCC |
699 | chip->core = core; |
700 | ||
701 | /* get irq */ | |
702 | err = request_irq(chip->pci->irq, cx8801_irq, | |
8076fe32 | 703 | IRQF_SHARED | IRQF_DISABLED, chip->core->name, chip); |
b7f355d2 MCC |
704 | if (err < 0) { |
705 | dprintk(0, "%s: can't get IRQ %d\n", | |
706 | chip->core->name, chip->pci->irq); | |
707 | return err; | |
708 | } | |
709 | ||
710 | /* print pci info */ | |
711 | pci_read_config_byte(pci, PCI_CLASS_REVISION, &chip->pci_rev); | |
712 | pci_read_config_byte(pci, PCI_LATENCY_TIMER, &chip->pci_lat); | |
713 | ||
714 | dprintk(1,"ALSA %s/%i: found at %s, rev: %d, irq: %d, " | |
228aef63 | 715 | "latency: %d, mmio: 0x%llx\n", core->name, devno, |
b7f355d2 | 716 | pci_name(pci), chip->pci_rev, pci->irq, |
228aef63 | 717 | chip->pci_lat,(unsigned long long)pci_resource_start(pci,0)); |
b7f355d2 MCC |
718 | |
719 | chip->irq = pci->irq; | |
720 | synchronize_irq(chip->irq); | |
721 | ||
722 | snd_card_set_dev(card, &pci->dev); | |
723 | ||
724 | *rchip = chip; | |
725 | ||
726 | return 0; | |
727 | } | |
728 | ||
729 | static int __devinit cx88_audio_initdev(struct pci_dev *pci, | |
730 | const struct pci_device_id *pci_id) | |
731 | { | |
f7cbb7fc | 732 | struct snd_card *card; |
b7f355d2 MCC |
733 | snd_cx88_card_t *chip; |
734 | int err; | |
735 | ||
736 | if (devno >= SNDRV_CARDS) | |
737 | return (-ENODEV); | |
738 | ||
739 | if (!enable[devno]) { | |
740 | ++devno; | |
741 | return (-ENOENT); | |
742 | } | |
743 | ||
744 | card = snd_card_new(index[devno], id[devno], THIS_MODULE, sizeof(snd_cx88_card_t)); | |
745 | if (!card) | |
746 | return (-ENOMEM); | |
747 | ||
748 | card->private_free = snd_cx88_dev_free; | |
749 | ||
750 | err = snd_cx88_create(card, pci, &chip); | |
751 | if (err < 0) | |
752 | return (err); | |
753 | ||
754 | err = snd_cx88_pcm(chip, 0, "CX88 Digital"); | |
755 | ||
756 | if (err < 0) { | |
757 | snd_card_free(card); | |
758 | return (err); | |
759 | } | |
760 | ||
761 | err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_capture_volume, chip)); | |
762 | if (err < 0) { | |
763 | snd_card_free(card); | |
764 | return (err); | |
765 | } | |
766 | ||
767 | strcpy (card->driver, "CX88x"); | |
768 | sprintf(card->shortname, "Conexant CX%x", pci->device); | |
228aef63 GKH |
769 | sprintf(card->longname, "%s at %#llx", |
770 | card->shortname,(unsigned long long)pci_resource_start(pci, 0)); | |
b7f355d2 MCC |
771 | strcpy (card->mixername, "CX88"); |
772 | ||
773 | dprintk (0, "%s/%i: ALSA support for cx2388x boards\n", | |
774 | card->driver,devno); | |
775 | ||
776 | err = snd_card_register(card); | |
777 | if (err < 0) { | |
778 | snd_card_free(card); | |
779 | return (err); | |
780 | } | |
781 | snd_cx88_cards[devno] = card; | |
782 | ||
783 | pci_set_drvdata(pci,card); | |
784 | ||
785 | devno++; | |
786 | return 0; | |
787 | } | |
788 | /* | |
789 | * ALSA destructor | |
790 | */ | |
791 | static void __devexit cx88_audio_finidev(struct pci_dev *pci) | |
792 | { | |
793 | struct cx88_audio_dev *card = pci_get_drvdata(pci); | |
794 | ||
795 | snd_card_free((void *)card); | |
796 | ||
797 | pci_set_drvdata(pci, NULL); | |
798 | ||
799 | devno--; | |
800 | } | |
801 | ||
802 | /* | |
803 | * PCI driver definition | |
804 | */ | |
805 | ||
806 | static struct pci_driver cx88_audio_pci_driver = { | |
807 | .name = "cx88_audio", | |
808 | .id_table = cx88_audio_pci_tbl, | |
809 | .probe = cx88_audio_initdev, | |
810 | .remove = cx88_audio_finidev, | |
b7f355d2 MCC |
811 | }; |
812 | ||
813 | /**************************************************************************** | |
814 | LINUX MODULE INIT | |
815 | ****************************************************************************/ | |
816 | ||
817 | /* | |
818 | * module init | |
819 | */ | |
820 | static int cx88_audio_init(void) | |
821 | { | |
822 | printk(KERN_INFO "cx2388x alsa driver version %d.%d.%d loaded\n", | |
823 | (CX88_VERSION_CODE >> 16) & 0xff, | |
824 | (CX88_VERSION_CODE >> 8) & 0xff, | |
825 | CX88_VERSION_CODE & 0xff); | |
826 | #ifdef SNAPSHOT | |
827 | printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", | |
828 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
829 | #endif | |
830 | return pci_register_driver(&cx88_audio_pci_driver); | |
831 | } | |
832 | ||
833 | /* | |
834 | * module remove | |
835 | */ | |
836 | static void cx88_audio_fini(void) | |
837 | { | |
838 | ||
839 | pci_unregister_driver(&cx88_audio_pci_driver); | |
840 | } | |
841 | ||
842 | module_init(cx88_audio_init); | |
843 | module_exit(cx88_audio_fini); | |
844 | ||
845 | /* ----------------------------------------------------------- */ | |
846 | /* | |
847 | * Local variables: | |
848 | * c-basic-offset: 8 | |
849 | * End: | |
850 | */ |