Commit | Line | Data |
---|---|---|
b7f355d2 MCC |
1 | /* |
2 | * | |
3 | * Support for audio capture | |
4 | * PCI function #1 of the cx2388x. | |
5 | * | |
05b27233 | 6 | * (c) 2007 Trent Piepho <xyzzy@speakeasy.org> |
b7f355d2 | 7 | * (c) 2005,2006 Ricardo Cerqueira <v4l@cerqueira.org> |
2e7c6dc3 | 8 | * (c) 2005 Mauro Carvalho Chehab <mchehab@infradead.org> |
b7f355d2 | 9 | * Based on a dummy cx88 module by Gerd Knorr <kraxel@bytesex.org> |
c1017a4c | 10 | * Based on dummy.c by Jaroslav Kysela <perex@perex.cz> |
b7f355d2 MCC |
11 | * |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
25 | */ | |
26 | ||
27 | #include <linux/module.h> | |
28 | #include <linux/init.h> | |
29 | #include <linux/device.h> | |
30 | #include <linux/interrupt.h> | |
f6210c91 | 31 | #include <linux/vmalloc.h> |
c24228da | 32 | #include <linux/dma-mapping.h> |
19453bc1 | 33 | #include <linux/pci.h> |
5a0e3ad6 | 34 | #include <linux/slab.h> |
c24228da | 35 | |
b7f355d2 | 36 | #include <asm/delay.h> |
b7f355d2 MCC |
37 | #include <sound/core.h> |
38 | #include <sound/pcm.h> | |
39 | #include <sound/pcm_params.h> | |
40 | #include <sound/control.h> | |
41 | #include <sound/initval.h> | |
bbaccc04 | 42 | #include <sound/tlv.h> |
6951803c | 43 | #include <media/wm8775.h> |
b7f355d2 MCC |
44 | |
45 | #include "cx88.h" | |
46 | #include "cx88-reg.h" | |
47 | ||
db613710 MCC |
48 | #define dprintk(level, fmt, arg...) do { \ |
49 | if (debug + 1 > level) \ | |
50 | printk(KERN_INFO "%s/1: " fmt, chip->core->name , ## arg);\ | |
51 | } while(0) | |
b7f355d2 | 52 | |
db613710 MCC |
53 | #define dprintk_core(level, fmt, arg...) do { \ |
54 | if (debug + 1 > level) \ | |
55 | printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg);\ | |
56 | } while(0) | |
b7f355d2 | 57 | |
b7f355d2 MCC |
58 | /**************************************************************************** |
59 | Data type declarations - Can be moded to a header file later | |
60 | ****************************************************************************/ | |
61 | ||
fecfedeb LP |
62 | struct cx88_audio_buffer { |
63 | unsigned int bpl; | |
5e7045e3 | 64 | struct cx88_riscmem risc; |
b2c75abd HV |
65 | void *vaddr; |
66 | struct scatterlist *sglist; | |
67 | int sglen; | |
68 | int nr_pages; | |
fecfedeb LP |
69 | }; |
70 | ||
b7f355d2 MCC |
71 | struct cx88_audio_dev { |
72 | struct cx88_core *core; | |
73 | struct cx88_dmaqueue q; | |
74 | ||
75 | /* pci i/o */ | |
76 | struct pci_dev *pci; | |
b7f355d2 MCC |
77 | |
78 | /* audio controls */ | |
79 | int irq; | |
80 | ||
f7cbb7fc | 81 | struct snd_card *card; |
b7f355d2 MCC |
82 | |
83 | spinlock_t reg_lock; | |
05b27233 | 84 | atomic_t count; |
b7f355d2 MCC |
85 | |
86 | unsigned int dma_size; | |
87 | unsigned int period_size; | |
88 | unsigned int num_periods; | |
89 | ||
fecfedeb | 90 | struct cx88_audio_buffer *buf; |
b7f355d2 | 91 | |
05b27233 | 92 | struct snd_pcm_substream *substream; |
b7f355d2 MCC |
93 | }; |
94 | typedef struct cx88_audio_dev snd_cx88_card_t; | |
95 | ||
96 | ||
97 | ||
98 | /**************************************************************************** | |
99 | Module global static vars | |
100 | ****************************************************************************/ | |
101 | ||
102 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
2e4e98e7 | 103 | static const char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
90ab5ee9 | 104 | static bool enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1}; |
b7f355d2 MCC |
105 | |
106 | module_param_array(enable, bool, NULL, 0444); | |
107 | MODULE_PARM_DESC(enable, "Enable cx88x soundcard. default enabled."); | |
108 | ||
109 | module_param_array(index, int, NULL, 0444); | |
110 | MODULE_PARM_DESC(index, "Index value for cx88x capture interface(s)."); | |
111 | ||
112 | ||
113 | /**************************************************************************** | |
114 | Module macros | |
115 | ****************************************************************************/ | |
116 | ||
117 | MODULE_DESCRIPTION("ALSA driver module for cx2388x based TV cards"); | |
118 | MODULE_AUTHOR("Ricardo Cerqueira"); | |
2e7c6dc3 | 119 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); |
b7f355d2 | 120 | MODULE_LICENSE("GPL"); |
1990d50b MCC |
121 | MODULE_VERSION(CX88_VERSION); |
122 | ||
b7f355d2 MCC |
123 | MODULE_SUPPORTED_DEVICE("{{Conexant,23881}," |
124 | "{{Conexant,23882}," | |
125 | "{{Conexant,23883}"); | |
a5ed425c | 126 | static unsigned int debug; |
b7f355d2 MCC |
127 | module_param(debug,int,0644); |
128 | MODULE_PARM_DESC(debug,"enable debug messages"); | |
129 | ||
130 | /**************************************************************************** | |
131 | Module specific funtions | |
132 | ****************************************************************************/ | |
133 | ||
134 | /* | |
135 | * BOARD Specific: Sets audio DMA | |
136 | */ | |
137 | ||
be8a82d1 | 138 | static int _cx88_start_audio_dma(snd_cx88_card_t *chip) |
b7f355d2 | 139 | { |
fecfedeb | 140 | struct cx88_audio_buffer *buf = chip->buf; |
b7f355d2 | 141 | struct cx88_core *core=chip->core; |
2e4e98e7 | 142 | const struct sram_channel *audio_ch = &cx88_sram_channels[SRAM_CH25]; |
b7f355d2 | 143 | |
59fd8f8d TP |
144 | /* Make sure RISC/FIFO are off before changing FIFO/RISC settings */ |
145 | cx_clear(MO_AUD_DMACNTRL, 0x11); | |
b7f355d2 MCC |
146 | |
147 | /* setup fifo + format - out channel */ | |
59fd8f8d | 148 | cx88_sram_channel_setup(chip->core, audio_ch, buf->bpl, buf->risc.dma); |
b7f355d2 MCC |
149 | |
150 | /* sets bpl size */ | |
151 | cx_write(MO_AUDD_LNGTH, buf->bpl); | |
152 | ||
153 | /* reset counter */ | |
05b27233 TP |
154 | cx_write(MO_AUDD_GPCNTRL, GP_COUNT_CONTROL_RESET); |
155 | atomic_set(&chip->count, 0); | |
b7f355d2 | 156 | |
05b27233 TP |
157 | dprintk(1, "Start audio DMA, %d B/line, %d lines/FIFO, %d periods, %d " |
158 | "byte buffer\n", buf->bpl, cx_read(audio_ch->cmds_start + 8)>>1, | |
59fd8f8d TP |
159 | chip->num_periods, buf->bpl * chip->num_periods); |
160 | ||
b7f355d2 | 161 | /* Enables corresponding bits at AUD_INT_STAT */ |
59fd8f8d TP |
162 | cx_write(MO_AUD_INTMSK, AUD_INT_OPC_ERR | AUD_INT_DN_SYNC | |
163 | AUD_INT_DN_RISCI2 | AUD_INT_DN_RISCI1); | |
164 | ||
165 | /* Clean any pending interrupt bits already set */ | |
166 | cx_write(MO_AUD_INTSTAT, ~0); | |
167 | ||
168 | /* enable audio irqs */ | |
169 | cx_set(MO_PCI_INTMSK, chip->core->pci_irqmask | PCI_INT_AUDINT); | |
b7f355d2 MCC |
170 | |
171 | /* start dma */ | |
172 | cx_set(MO_DEV_CNTRL2, (1<<5)); /* Enables Risc Processor */ | |
173 | cx_set(MO_AUD_DMACNTRL, 0x11); /* audio downstream FIFO and RISC enable */ | |
174 | ||
175 | if (debug) | |
59fd8f8d | 176 | cx88_sram_channel_dump(chip->core, audio_ch); |
b7f355d2 MCC |
177 | |
178 | return 0; | |
179 | } | |
180 | ||
181 | /* | |
182 | * BOARD Specific: Resets audio DMA | |
183 | */ | |
be8a82d1 | 184 | static int _cx88_stop_audio_dma(snd_cx88_card_t *chip) |
b7f355d2 MCC |
185 | { |
186 | struct cx88_core *core=chip->core; | |
187 | dprintk(1, "Stopping audio DMA\n"); | |
188 | ||
189 | /* stop dma */ | |
190 | cx_clear(MO_AUD_DMACNTRL, 0x11); | |
191 | ||
192 | /* disable irqs */ | |
8ddac9ee | 193 | cx_clear(MO_PCI_INTMSK, PCI_INT_AUDINT); |
59fd8f8d TP |
194 | cx_clear(MO_AUD_INTMSK, AUD_INT_OPC_ERR | AUD_INT_DN_SYNC | |
195 | AUD_INT_DN_RISCI2 | AUD_INT_DN_RISCI1); | |
b7f355d2 MCC |
196 | |
197 | if (debug) | |
198 | cx88_sram_channel_dump(chip->core, &cx88_sram_channels[SRAM_CH25]); | |
199 | ||
200 | return 0; | |
201 | } | |
202 | ||
05b27233 | 203 | #define MAX_IRQ_LOOP 50 |
b7f355d2 MCC |
204 | |
205 | /* | |
206 | * BOARD Specific: IRQ dma bits | |
207 | */ | |
2e4e98e7 | 208 | static const char *cx88_aud_irqs[32] = { |
b7f355d2 MCC |
209 | "dn_risci1", "up_risci1", "rds_dn_risc1", /* 0-2 */ |
210 | NULL, /* reserved */ | |
211 | "dn_risci2", "up_risci2", "rds_dn_risc2", /* 4-6 */ | |
212 | NULL, /* reserved */ | |
213 | "dnf_of", "upf_uf", "rds_dnf_uf", /* 8-10 */ | |
214 | NULL, /* reserved */ | |
215 | "dn_sync", "up_sync", "rds_dn_sync", /* 12-14 */ | |
216 | NULL, /* reserved */ | |
217 | "opc_err", "par_err", "rip_err", /* 16-18 */ | |
218 | "pci_abort", "ber_irq", "mchg_irq" /* 19-21 */ | |
219 | }; | |
220 | ||
221 | /* | |
222 | * BOARD Specific: Threats IRQ audio specific calls | |
223 | */ | |
224 | static void cx8801_aud_irq(snd_cx88_card_t *chip) | |
225 | { | |
226 | struct cx88_core *core = chip->core; | |
227 | u32 status, mask; | |
b7f355d2 MCC |
228 | |
229 | status = cx_read(MO_AUD_INTSTAT); | |
230 | mask = cx_read(MO_AUD_INTMSK); | |
05b27233 | 231 | if (0 == (status & mask)) |
b7f355d2 | 232 | return; |
b7f355d2 MCC |
233 | cx_write(MO_AUD_INTSTAT, status); |
234 | if (debug > 1 || (status & mask & ~0xff)) | |
235 | cx88_print_irqbits(core->name, "irq aud", | |
66623a04 MCC |
236 | cx88_aud_irqs, ARRAY_SIZE(cx88_aud_irqs), |
237 | status, mask); | |
b7f355d2 | 238 | /* risc op code error */ |
59fd8f8d | 239 | if (status & AUD_INT_OPC_ERR) { |
05b27233 | 240 | printk(KERN_WARNING "%s/1: Audio risc op code error\n",core->name); |
b7f355d2 MCC |
241 | cx_clear(MO_AUD_DMACNTRL, 0x11); |
242 | cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH25]); | |
243 | } | |
05b27233 TP |
244 | if (status & AUD_INT_DN_SYNC) { |
245 | dprintk(1, "Downstream sync error\n"); | |
246 | cx_write(MO_AUDD_GPCNTRL, GP_COUNT_CONTROL_RESET); | |
247 | return; | |
248 | } | |
b7f355d2 | 249 | /* risc1 downstream */ |
59fd8f8d | 250 | if (status & AUD_INT_DN_RISCI1) { |
05b27233 | 251 | atomic_set(&chip->count, cx_read(MO_AUDD_GPCNT)); |
b7f355d2 MCC |
252 | snd_pcm_period_elapsed(chip->substream); |
253 | } | |
b7f355d2 MCC |
254 | /* FIXME: Any other status should deserve a special handling? */ |
255 | } | |
256 | ||
257 | /* | |
258 | * BOARD Specific: Handles IRQ calls | |
259 | */ | |
7d12e780 | 260 | static irqreturn_t cx8801_irq(int irq, void *dev_id) |
b7f355d2 MCC |
261 | { |
262 | snd_cx88_card_t *chip = dev_id; | |
263 | struct cx88_core *core = chip->core; | |
264 | u32 status; | |
265 | int loop, handled = 0; | |
266 | ||
267 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { | |
8ddac9ee TP |
268 | status = cx_read(MO_PCI_INTSTAT) & |
269 | (core->pci_irqmask | PCI_INT_AUDINT); | |
b7f355d2 MCC |
270 | if (0 == status) |
271 | goto out; | |
05b27233 TP |
272 | dprintk(3, "cx8801_irq loop %d/%d, status %x\n", |
273 | loop, MAX_IRQ_LOOP, status); | |
b7f355d2 MCC |
274 | handled = 1; |
275 | cx_write(MO_PCI_INTSTAT, status); | |
276 | ||
5ba862b7 TP |
277 | if (status & core->pci_irqmask) |
278 | cx88_core_irq(core, status); | |
05b27233 | 279 | if (status & PCI_INT_AUDINT) |
b7f355d2 | 280 | cx8801_aud_irq(chip); |
05b27233 | 281 | } |
b7f355d2 MCC |
282 | |
283 | if (MAX_IRQ_LOOP == loop) { | |
05b27233 TP |
284 | printk(KERN_ERR |
285 | "%s/1: IRQ loop detected, disabling interrupts\n", | |
b7f355d2 | 286 | core->name); |
8ddac9ee | 287 | cx_clear(MO_PCI_INTMSK, PCI_INT_AUDINT); |
b7f355d2 MCC |
288 | } |
289 | ||
290 | out: | |
291 | return IRQ_RETVAL(handled); | |
292 | } | |
293 | ||
b2c75abd HV |
294 | static int cx88_alsa_dma_init(struct cx88_audio_dev *chip, int nr_pages) |
295 | { | |
296 | struct cx88_audio_buffer *buf = chip->buf; | |
297 | struct page *pg; | |
298 | int i; | |
299 | ||
300 | buf->vaddr = vmalloc_32(nr_pages << PAGE_SHIFT); | |
301 | if (NULL == buf->vaddr) { | |
302 | dprintk(1, "vmalloc_32(%d pages) failed\n", nr_pages); | |
303 | return -ENOMEM; | |
304 | } | |
305 | ||
306 | dprintk(1, "vmalloc is at addr 0x%08lx, size=%d\n", | |
307 | (unsigned long)buf->vaddr, | |
308 | nr_pages << PAGE_SHIFT); | |
309 | ||
310 | memset(buf->vaddr, 0, nr_pages << PAGE_SHIFT); | |
311 | buf->nr_pages = nr_pages; | |
312 | ||
313 | buf->sglist = vzalloc(buf->nr_pages * sizeof(*buf->sglist)); | |
314 | if (NULL == buf->sglist) | |
315 | goto vzalloc_err; | |
316 | ||
317 | sg_init_table(buf->sglist, buf->nr_pages); | |
318 | for (i = 0; i < buf->nr_pages; i++) { | |
319 | pg = vmalloc_to_page(buf->vaddr + i * PAGE_SIZE); | |
320 | if (NULL == pg) | |
321 | goto vmalloc_to_page_err; | |
322 | sg_set_page(&buf->sglist[i], pg, PAGE_SIZE, 0); | |
323 | } | |
324 | return 0; | |
325 | ||
326 | vmalloc_to_page_err: | |
327 | vfree(buf->sglist); | |
328 | buf->sglist = NULL; | |
329 | vzalloc_err: | |
330 | vfree(buf->vaddr); | |
331 | buf->vaddr = NULL; | |
332 | return -ENOMEM; | |
333 | } | |
334 | ||
335 | static int cx88_alsa_dma_map(struct cx88_audio_dev *dev) | |
336 | { | |
337 | struct cx88_audio_buffer *buf = dev->buf; | |
338 | ||
339 | buf->sglen = dma_map_sg(&dev->pci->dev, buf->sglist, | |
340 | buf->nr_pages, PCI_DMA_FROMDEVICE); | |
341 | ||
342 | if (0 == buf->sglen) { | |
343 | pr_warn("%s: cx88_alsa_map_sg failed\n", __func__); | |
344 | return -ENOMEM; | |
345 | } | |
346 | return 0; | |
347 | } | |
348 | ||
349 | static int cx88_alsa_dma_unmap(struct cx88_audio_dev *dev) | |
350 | { | |
351 | struct cx88_audio_buffer *buf = dev->buf; | |
352 | ||
353 | if (!buf->sglen) | |
354 | return 0; | |
355 | ||
356 | dma_unmap_sg(&dev->pci->dev, buf->sglist, buf->sglen, PCI_DMA_FROMDEVICE); | |
357 | buf->sglen = 0; | |
358 | return 0; | |
359 | } | |
360 | ||
361 | static int cx88_alsa_dma_free(struct cx88_audio_buffer *buf) | |
362 | { | |
363 | vfree(buf->sglist); | |
364 | buf->sglist = NULL; | |
365 | vfree(buf->vaddr); | |
366 | buf->vaddr = NULL; | |
367 | return 0; | |
368 | } | |
369 | ||
b7f355d2 MCC |
370 | |
371 | static int dsp_buffer_free(snd_cx88_card_t *chip) | |
372 | { | |
5e7045e3 HV |
373 | struct cx88_riscmem *risc = &chip->buf->risc; |
374 | ||
b7f355d2 MCC |
375 | BUG_ON(!chip->dma_size); |
376 | ||
377 | dprintk(2,"Freeing buffer\n"); | |
b2c75abd HV |
378 | cx88_alsa_dma_unmap(chip); |
379 | cx88_alsa_dma_free(chip->buf); | |
5e7045e3 HV |
380 | if (risc->cpu) |
381 | pci_free_consistent(chip->pci, risc->size, risc->cpu, risc->dma); | |
b7f355d2 MCC |
382 | kfree(chip->buf); |
383 | ||
b2c75abd | 384 | chip->buf = NULL; |
b7f355d2 | 385 | |
05b27233 | 386 | return 0; |
b7f355d2 MCC |
387 | } |
388 | ||
389 | /**************************************************************************** | |
390 | ALSA PCM Interface | |
391 | ****************************************************************************/ | |
392 | ||
393 | /* | |
394 | * Digital hardware definition | |
395 | */ | |
05b27233 | 396 | #define DEFAULT_FIFO_SIZE 4096 |
2e4e98e7 | 397 | static const struct snd_pcm_hardware snd_cx88_digital_hw = { |
b7f355d2 MCC |
398 | .info = SNDRV_PCM_INFO_MMAP | |
399 | SNDRV_PCM_INFO_INTERLEAVED | | |
400 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
401 | SNDRV_PCM_INFO_MMAP_VALID, | |
402 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
403 | ||
404 | .rates = SNDRV_PCM_RATE_48000, | |
405 | .rate_min = 48000, | |
406 | .rate_max = 48000, | |
5a5b3b5d | 407 | .channels_min = 2, |
b7f355d2 | 408 | .channels_max = 2, |
05b27233 TP |
409 | /* Analog audio output will be full of clicks and pops if there |
410 | are not exactly four lines in the SRAM FIFO buffer. */ | |
411 | .period_bytes_min = DEFAULT_FIFO_SIZE/4, | |
412 | .period_bytes_max = DEFAULT_FIFO_SIZE/4, | |
413 | .periods_min = 1, | |
414 | .periods_max = 1024, | |
415 | .buffer_bytes_max = (1024*1024), | |
b7f355d2 MCC |
416 | }; |
417 | ||
b7f355d2 MCC |
418 | /* |
419 | * audio pcm capture open callback | |
420 | */ | |
f7cbb7fc | 421 | static int snd_cx88_pcm_open(struct snd_pcm_substream *substream) |
b7f355d2 MCC |
422 | { |
423 | snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); | |
f7cbb7fc | 424 | struct snd_pcm_runtime *runtime = substream->runtime; |
b7f355d2 MCC |
425 | int err; |
426 | ||
83ee87a3 MCC |
427 | if (!chip) { |
428 | printk(KERN_ERR "BUG: cx88 can't find device struct." | |
429 | " Can't proceed with open\n"); | |
430 | return -ENODEV; | |
431 | } | |
432 | ||
05b27233 | 433 | err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_PERIODS); |
b7f355d2 MCC |
434 | if (err < 0) |
435 | goto _error; | |
436 | ||
437 | chip->substream = substream; | |
438 | ||
b7f355d2 MCC |
439 | runtime->hw = snd_cx88_digital_hw; |
440 | ||
05b27233 TP |
441 | if (cx88_sram_channels[SRAM_CH25].fifo_size != DEFAULT_FIFO_SIZE) { |
442 | unsigned int bpl = cx88_sram_channels[SRAM_CH25].fifo_size / 4; | |
443 | bpl &= ~7; /* must be multiple of 8 */ | |
444 | runtime->hw.period_bytes_min = bpl; | |
445 | runtime->hw.period_bytes_max = bpl; | |
446 | } | |
447 | ||
b7f355d2 MCC |
448 | return 0; |
449 | _error: | |
450 | dprintk(1,"Error opening PCM!\n"); | |
b7f355d2 MCC |
451 | return err; |
452 | } | |
453 | ||
454 | /* | |
455 | * audio close callback | |
456 | */ | |
f7cbb7fc | 457 | static int snd_cx88_close(struct snd_pcm_substream *substream) |
b7f355d2 | 458 | { |
b7f355d2 MCC |
459 | return 0; |
460 | } | |
461 | ||
462 | /* | |
463 | * hw_params callback | |
464 | */ | |
f7cbb7fc TI |
465 | static int snd_cx88_hw_params(struct snd_pcm_substream * substream, |
466 | struct snd_pcm_hw_params * hw_params) | |
b7f355d2 MCC |
467 | { |
468 | snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); | |
c1accaa2 | 469 | |
fecfedeb | 470 | struct cx88_audio_buffer *buf; |
05b27233 | 471 | int ret; |
b7f355d2 MCC |
472 | |
473 | if (substream->runtime->dma_area) { | |
474 | dsp_buffer_free(chip); | |
475 | substream->runtime->dma_area = NULL; | |
476 | } | |
477 | ||
b7f355d2 MCC |
478 | chip->period_size = params_period_bytes(hw_params); |
479 | chip->num_periods = params_periods(hw_params); | |
480 | chip->dma_size = chip->period_size * params_periods(hw_params); | |
481 | ||
482 | BUG_ON(!chip->dma_size); | |
05b27233 | 483 | BUG_ON(chip->num_periods & (chip->num_periods-1)); |
b7f355d2 | 484 | |
fecfedeb | 485 | buf = kzalloc(sizeof(*buf), GFP_KERNEL); |
b7f355d2 MCC |
486 | if (NULL == buf) |
487 | return -ENOMEM; | |
b7f355d2 | 488 | |
b2c75abd | 489 | chip->buf = buf; |
fecfedeb | 490 | buf->bpl = chip->period_size; |
b7f355d2 | 491 | |
b2c75abd | 492 | ret = cx88_alsa_dma_init(chip, |
fecfedeb | 493 | (PAGE_ALIGN(chip->dma_size) >> PAGE_SHIFT)); |
05b27233 TP |
494 | if (ret < 0) |
495 | goto error; | |
b7f355d2 | 496 | |
b2c75abd | 497 | ret = cx88_alsa_dma_map(chip); |
05b27233 TP |
498 | if (ret < 0) |
499 | goto error; | |
b7f355d2 | 500 | |
b2c75abd | 501 | ret = cx88_risc_databuffer(chip->pci, &buf->risc, buf->sglist, |
fecfedeb | 502 | chip->period_size, chip->num_periods, 1); |
05b27233 TP |
503 | if (ret < 0) |
504 | goto error; | |
b7f355d2 | 505 | |
05b27233 TP |
506 | /* Loop back to start of program */ |
507 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP|RISC_IRQ1|RISC_CNT_INC); | |
b7f355d2 MCC |
508 | buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
509 | ||
b2c75abd | 510 | substream->runtime->dma_area = chip->buf->vaddr; |
f6210c91 TP |
511 | substream->runtime->dma_bytes = chip->dma_size; |
512 | substream->runtime->dma_addr = 0; | |
b7f355d2 | 513 | return 0; |
05b27233 TP |
514 | |
515 | error: | |
516 | kfree(buf); | |
517 | return ret; | |
b7f355d2 MCC |
518 | } |
519 | ||
520 | /* | |
521 | * hw free callback | |
522 | */ | |
f7cbb7fc | 523 | static int snd_cx88_hw_free(struct snd_pcm_substream * substream) |
b7f355d2 MCC |
524 | { |
525 | ||
526 | snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); | |
527 | ||
528 | if (substream->runtime->dma_area) { | |
529 | dsp_buffer_free(chip); | |
530 | substream->runtime->dma_area = NULL; | |
531 | } | |
532 | ||
533 | return 0; | |
534 | } | |
535 | ||
536 | /* | |
537 | * prepare callback | |
538 | */ | |
f7cbb7fc | 539 | static int snd_cx88_prepare(struct snd_pcm_substream *substream) |
b7f355d2 MCC |
540 | { |
541 | return 0; | |
542 | } | |
543 | ||
b7f355d2 MCC |
544 | /* |
545 | * trigger callback | |
546 | */ | |
f7cbb7fc | 547 | static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd) |
b7f355d2 MCC |
548 | { |
549 | snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); | |
550 | int err; | |
551 | ||
05b27233 | 552 | /* Local interrupts are already disabled by ALSA */ |
b7f355d2 MCC |
553 | spin_lock(&chip->reg_lock); |
554 | ||
555 | switch (cmd) { | |
556 | case SNDRV_PCM_TRIGGER_START: | |
557 | err=_cx88_start_audio_dma(chip); | |
558 | break; | |
559 | case SNDRV_PCM_TRIGGER_STOP: | |
560 | err=_cx88_stop_audio_dma(chip); | |
561 | break; | |
562 | default: | |
563 | err=-EINVAL; | |
564 | break; | |
565 | } | |
566 | ||
567 | spin_unlock(&chip->reg_lock); | |
568 | ||
569 | return err; | |
570 | } | |
571 | ||
572 | /* | |
573 | * pointer callback | |
574 | */ | |
f7cbb7fc | 575 | static snd_pcm_uframes_t snd_cx88_pointer(struct snd_pcm_substream *substream) |
b7f355d2 MCC |
576 | { |
577 | snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); | |
f7cbb7fc | 578 | struct snd_pcm_runtime *runtime = substream->runtime; |
05b27233 | 579 | u16 count; |
b7f355d2 | 580 | |
05b27233 | 581 | count = atomic_read(&chip->count); |
b7f355d2 | 582 | |
32d83efc | 583 | // dprintk(2, "%s - count %d (+%u), period %d, frame %lu\n", __func__, |
05b27233 TP |
584 | // count, new, count & (runtime->periods-1), |
585 | // runtime->period_size * (count & (runtime->periods-1))); | |
586 | return runtime->period_size * (count & (runtime->periods-1)); | |
b7f355d2 MCC |
587 | } |
588 | ||
f6210c91 TP |
589 | /* |
590 | * page callback (needed for mmap) | |
591 | */ | |
592 | static struct page *snd_cx88_page(struct snd_pcm_substream *substream, | |
593 | unsigned long offset) | |
594 | { | |
595 | void *pageptr = substream->runtime->dma_area + offset; | |
596 | return vmalloc_to_page(pageptr); | |
597 | } | |
598 | ||
b7f355d2 MCC |
599 | /* |
600 | * operators | |
601 | */ | |
f7cbb7fc | 602 | static struct snd_pcm_ops snd_cx88_pcm_ops = { |
b7f355d2 MCC |
603 | .open = snd_cx88_pcm_open, |
604 | .close = snd_cx88_close, | |
605 | .ioctl = snd_pcm_lib_ioctl, | |
606 | .hw_params = snd_cx88_hw_params, | |
607 | .hw_free = snd_cx88_hw_free, | |
608 | .prepare = snd_cx88_prepare, | |
609 | .trigger = snd_cx88_card_trigger, | |
610 | .pointer = snd_cx88_pointer, | |
f6210c91 | 611 | .page = snd_cx88_page, |
b7f355d2 MCC |
612 | }; |
613 | ||
614 | /* | |
615 | * create a PCM device | |
616 | */ | |
4c62e976 | 617 | static int snd_cx88_pcm(snd_cx88_card_t *chip, int device, const char *name) |
b7f355d2 MCC |
618 | { |
619 | int err; | |
f7cbb7fc | 620 | struct snd_pcm *pcm; |
b7f355d2 MCC |
621 | |
622 | err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm); | |
623 | if (err < 0) | |
624 | return err; | |
625 | pcm->private_data = chip; | |
626 | strcpy(pcm->name, name); | |
627 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cx88_pcm_ops); | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
632 | /**************************************************************************** | |
633 | CONTROL INTERFACE | |
634 | ****************************************************************************/ | |
54ac005a TP |
635 | static int snd_cx88_volume_info(struct snd_kcontrol *kcontrol, |
636 | struct snd_ctl_elem_info *info) | |
b7f355d2 MCC |
637 | { |
638 | info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
82896f29 | 639 | info->count = 2; |
b7f355d2 MCC |
640 | info->value.integer.min = 0; |
641 | info->value.integer.max = 0x3f; | |
642 | ||
643 | return 0; | |
644 | } | |
645 | ||
54ac005a TP |
646 | static int snd_cx88_volume_get(struct snd_kcontrol *kcontrol, |
647 | struct snd_ctl_elem_value *value) | |
b7f355d2 MCC |
648 | { |
649 | snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); | |
650 | struct cx88_core *core=chip->core; | |
82896f29 TP |
651 | int vol = 0x3f - (cx_read(AUD_VOL_CTL) & 0x3f), |
652 | bal = cx_read(AUD_BAL_CTL); | |
b7f355d2 | 653 | |
82896f29 TP |
654 | value->value.integer.value[(bal & 0x40) ? 0 : 1] = vol; |
655 | vol -= (bal & 0x3f); | |
656 | value->value.integer.value[(bal & 0x40) ? 1 : 0] = vol < 0 ? 0 : vol; | |
b7f355d2 MCC |
657 | |
658 | return 0; | |
659 | } | |
660 | ||
6951803c LR |
661 | static void snd_cx88_wm8775_volume_put(struct snd_kcontrol *kcontrol, |
662 | struct snd_ctl_elem_value *value) | |
663 | { | |
664 | snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); | |
665 | struct cx88_core *core = chip->core; | |
6951803c LR |
666 | int left = value->value.integer.value[0]; |
667 | int right = value->value.integer.value[1]; | |
668 | int v, b; | |
669 | ||
6951803c LR |
670 | /* Pass volume & balance onto any WM8775 */ |
671 | if (left >= right) { | |
672 | v = left << 10; | |
673 | b = left ? (0x8000 * right) / left : 0x8000; | |
674 | } else { | |
675 | v = right << 10; | |
676 | b = right ? 0xffff - (0x8000 * left) / right : 0x8000; | |
677 | } | |
bac63981 HV |
678 | wm8775_s_ctrl(core, V4L2_CID_AUDIO_VOLUME, v); |
679 | wm8775_s_ctrl(core, V4L2_CID_AUDIO_BALANCE, b); | |
6951803c LR |
680 | } |
681 | ||
b7f355d2 | 682 | /* OK - TODO: test it */ |
54ac005a TP |
683 | static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol, |
684 | struct snd_ctl_elem_value *value) | |
b7f355d2 MCC |
685 | { |
686 | snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); | |
687 | struct cx88_core *core=chip->core; | |
cca80b97 | 688 | int left, right, v, b; |
82896f29 TP |
689 | int changed = 0; |
690 | u32 old; | |
691 | ||
609c4c12 | 692 | if (core->sd_wm8775) |
6951803c LR |
693 | snd_cx88_wm8775_volume_put(kcontrol, value); |
694 | ||
cca80b97 CL |
695 | left = value->value.integer.value[0] & 0x3f; |
696 | right = value->value.integer.value[1] & 0x3f; | |
697 | b = right - left; | |
82896f29 | 698 | if (b < 0) { |
6951803c LR |
699 | v = 0x3f - left; |
700 | b = (-b) | 0x40; | |
82896f29 | 701 | } else { |
6951803c | 702 | v = 0x3f - right; |
82896f29 | 703 | } |
05b27233 | 704 | /* Do we really know this will always be called with IRQs on? */ |
b7f355d2 | 705 | spin_lock_irq(&chip->reg_lock); |
82896f29 TP |
706 | old = cx_read(AUD_VOL_CTL); |
707 | if (v != (old & 0x3f)) { | |
6951803c LR |
708 | cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, (old & ~0x3f) | v); |
709 | changed = 1; | |
82896f29 | 710 | } |
6951803c LR |
711 | if ((cx_read(AUD_BAL_CTL) & 0x7f) != b) { |
712 | cx_write(AUD_BAL_CTL, b); | |
713 | changed = 1; | |
82896f29 | 714 | } |
b7f355d2 MCC |
715 | spin_unlock_irq(&chip->reg_lock); |
716 | ||
82896f29 | 717 | return changed; |
b7f355d2 MCC |
718 | } |
719 | ||
bbaccc04 TP |
720 | static const DECLARE_TLV_DB_SCALE(snd_cx88_db_scale, -6300, 100, 0); |
721 | ||
2e4e98e7 | 722 | static const struct snd_kcontrol_new snd_cx88_volume = { |
b7f355d2 | 723 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
bbaccc04 TP |
724 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | |
725 | SNDRV_CTL_ELEM_ACCESS_TLV_READ, | |
6951803c | 726 | .name = "Analog-TV Volume", |
54ac005a TP |
727 | .info = snd_cx88_volume_info, |
728 | .get = snd_cx88_volume_get, | |
729 | .put = snd_cx88_volume_put, | |
bbaccc04 | 730 | .tlv.p = snd_cx88_db_scale, |
b7f355d2 MCC |
731 | }; |
732 | ||
54ac005a TP |
733 | static int snd_cx88_switch_get(struct snd_kcontrol *kcontrol, |
734 | struct snd_ctl_elem_value *value) | |
735 | { | |
736 | snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); | |
737 | struct cx88_core *core = chip->core; | |
738 | u32 bit = kcontrol->private_value; | |
739 | ||
740 | value->value.integer.value[0] = !(cx_read(AUD_VOL_CTL) & bit); | |
741 | return 0; | |
742 | } | |
743 | ||
744 | static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol, | |
745 | struct snd_ctl_elem_value *value) | |
746 | { | |
747 | snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); | |
748 | struct cx88_core *core = chip->core; | |
749 | u32 bit = kcontrol->private_value; | |
750 | int ret = 0; | |
751 | u32 vol; | |
752 | ||
753 | spin_lock_irq(&chip->reg_lock); | |
754 | vol = cx_read(AUD_VOL_CTL); | |
755 | if (value->value.integer.value[0] != !(vol & bit)) { | |
756 | vol ^= bit; | |
6951803c LR |
757 | cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, vol); |
758 | /* Pass mute onto any WM8775 */ | |
609c4c12 | 759 | if (core->sd_wm8775 && ((1<<6) == bit)) |
bac63981 | 760 | wm8775_s_ctrl(core, V4L2_CID_AUDIO_MUTE, 0 != (vol & bit)); |
54ac005a TP |
761 | ret = 1; |
762 | } | |
763 | spin_unlock_irq(&chip->reg_lock); | |
764 | return ret; | |
765 | } | |
766 | ||
2e4e98e7 | 767 | static const struct snd_kcontrol_new snd_cx88_dac_switch = { |
54ac005a | 768 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
6951803c | 769 | .name = "Audio-Out Switch", |
54ac005a TP |
770 | .info = snd_ctl_boolean_mono_info, |
771 | .get = snd_cx88_switch_get, | |
772 | .put = snd_cx88_switch_put, | |
773 | .private_value = (1<<8), | |
774 | }; | |
775 | ||
2e4e98e7 | 776 | static const struct snd_kcontrol_new snd_cx88_source_switch = { |
54ac005a | 777 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
6951803c | 778 | .name = "Analog-TV Switch", |
54ac005a TP |
779 | .info = snd_ctl_boolean_mono_info, |
780 | .get = snd_cx88_switch_get, | |
781 | .put = snd_cx88_switch_put, | |
782 | .private_value = (1<<6), | |
783 | }; | |
b7f355d2 | 784 | |
6951803c LR |
785 | static int snd_cx88_alc_get(struct snd_kcontrol *kcontrol, |
786 | struct snd_ctl_elem_value *value) | |
787 | { | |
788 | snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); | |
789 | struct cx88_core *core = chip->core; | |
bac63981 | 790 | s32 val; |
6951803c | 791 | |
bac63981 HV |
792 | val = wm8775_g_ctrl(core, V4L2_CID_AUDIO_LOUDNESS); |
793 | value->value.integer.value[0] = val ? 1 : 0; | |
6951803c LR |
794 | return 0; |
795 | } | |
796 | ||
797 | static int snd_cx88_alc_put(struct snd_kcontrol *kcontrol, | |
798 | struct snd_ctl_elem_value *value) | |
799 | { | |
800 | snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); | |
801 | struct cx88_core *core = chip->core; | |
802 | struct v4l2_control client_ctl; | |
803 | ||
804 | memset(&client_ctl, 0, sizeof(client_ctl)); | |
805 | client_ctl.value = 0 != value->value.integer.value[0]; | |
806 | client_ctl.id = V4L2_CID_AUDIO_LOUDNESS; | |
807 | call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl); | |
808 | ||
809 | return 0; | |
810 | } | |
811 | ||
812 | static struct snd_kcontrol_new snd_cx88_alc_switch = { | |
813 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
814 | .name = "Line-In ALC Switch", | |
815 | .info = snd_ctl_boolean_mono_info, | |
816 | .get = snd_cx88_alc_get, | |
817 | .put = snd_cx88_alc_put, | |
818 | }; | |
819 | ||
b7f355d2 MCC |
820 | /**************************************************************************** |
821 | Basic Flow for Sound Devices | |
822 | ****************************************************************************/ | |
823 | ||
824 | /* | |
825 | * PCI ID Table - 14f1:8801 and 14f1:8811 means function 1: Audio | |
826 | * Only boards with eeprom and byte 1 at eeprom=1 have it | |
827 | */ | |
828 | ||
4c62e976 | 829 | static const struct pci_device_id cx88_audio_pci_tbl[] = { |
b7f355d2 MCC |
830 | {0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0}, |
831 | {0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0}, | |
832 | {0, } | |
833 | }; | |
834 | MODULE_DEVICE_TABLE(pci, cx88_audio_pci_tbl); | |
835 | ||
836 | /* | |
837 | * Chip-specific destructor | |
838 | */ | |
839 | ||
840 | static int snd_cx88_free(snd_cx88_card_t *chip) | |
841 | { | |
842 | ||
f000fd80 | 843 | if (chip->irq >= 0) |
b7f355d2 | 844 | free_irq(chip->irq, chip); |
b7f355d2 MCC |
845 | |
846 | cx88_core_put(chip->core,chip->pci); | |
847 | ||
848 | pci_disable_device(chip->pci); | |
849 | return 0; | |
850 | } | |
851 | ||
852 | /* | |
853 | * Component Destructor | |
854 | */ | |
f7cbb7fc | 855 | static void snd_cx88_dev_free(struct snd_card * card) |
b7f355d2 MCC |
856 | { |
857 | snd_cx88_card_t *chip = card->private_data; | |
858 | ||
859 | snd_cx88_free(chip); | |
860 | } | |
861 | ||
862 | ||
863 | /* | |
864 | * Alsa Constructor - Component probe | |
865 | */ | |
866 | ||
a5ed425c | 867 | static int devno; |
4c62e976 GKH |
868 | static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci, |
869 | snd_cx88_card_t **rchip, | |
870 | struct cx88_core **core_ptr) | |
b7f355d2 MCC |
871 | { |
872 | snd_cx88_card_t *chip; | |
873 | struct cx88_core *core; | |
874 | int err; | |
19453bc1 | 875 | unsigned char pci_lat; |
b7f355d2 MCC |
876 | |
877 | *rchip = NULL; | |
878 | ||
879 | err = pci_enable_device(pci); | |
880 | if (err < 0) | |
881 | return err; | |
882 | ||
883 | pci_set_master(pci); | |
884 | ||
abf84383 | 885 | chip = card->private_data; |
b7f355d2 MCC |
886 | |
887 | core = cx88_core_get(pci); | |
31dcbf99 DS |
888 | if (NULL == core) { |
889 | err = -EINVAL; | |
31dcbf99 DS |
890 | return err; |
891 | } | |
b7f355d2 | 892 | |
284901a9 | 893 | if (!pci_dma_supported(pci,DMA_BIT_MASK(32))) { |
b7f355d2 MCC |
894 | dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name); |
895 | err = -EIO; | |
6951803c | 896 | cx88_core_put(core, pci); |
b7f355d2 MCC |
897 | return err; |
898 | } | |
899 | ||
900 | ||
901 | /* pci init */ | |
902 | chip->card = card; | |
903 | chip->pci = pci; | |
904 | chip->irq = -1; | |
905 | spin_lock_init(&chip->reg_lock); | |
906 | ||
b7f355d2 MCC |
907 | chip->core = core; |
908 | ||
909 | /* get irq */ | |
910 | err = request_irq(chip->pci->irq, cx8801_irq, | |
3e018fe4 | 911 | IRQF_SHARED, chip->core->name, chip); |
b7f355d2 MCC |
912 | if (err < 0) { |
913 | dprintk(0, "%s: can't get IRQ %d\n", | |
914 | chip->core->name, chip->pci->irq); | |
915 | return err; | |
916 | } | |
917 | ||
918 | /* print pci info */ | |
19453bc1 | 919 | pci_read_config_byte(pci, PCI_LATENCY_TIMER, &pci_lat); |
b7f355d2 MCC |
920 | |
921 | dprintk(1,"ALSA %s/%i: found at %s, rev: %d, irq: %d, " | |
228aef63 | 922 | "latency: %d, mmio: 0x%llx\n", core->name, devno, |
19453bc1 TP |
923 | pci_name(pci), pci->revision, pci->irq, |
924 | pci_lat, (unsigned long long)pci_resource_start(pci,0)); | |
b7f355d2 MCC |
925 | |
926 | chip->irq = pci->irq; | |
927 | synchronize_irq(chip->irq); | |
928 | ||
b7f355d2 | 929 | *rchip = chip; |
6951803c | 930 | *core_ptr = core; |
b7f355d2 MCC |
931 | |
932 | return 0; | |
933 | } | |
934 | ||
4c62e976 GKH |
935 | static int cx88_audio_initdev(struct pci_dev *pci, |
936 | const struct pci_device_id *pci_id) | |
b7f355d2 | 937 | { |
f7cbb7fc | 938 | struct snd_card *card; |
b7f355d2 | 939 | snd_cx88_card_t *chip; |
d6972cc8 | 940 | struct cx88_core *core = NULL; |
b7f355d2 MCC |
941 | int err; |
942 | ||
943 | if (devno >= SNDRV_CARDS) | |
944 | return (-ENODEV); | |
945 | ||
946 | if (!enable[devno]) { | |
947 | ++devno; | |
948 | return (-ENOENT); | |
949 | } | |
950 | ||
e7356888 TI |
951 | err = snd_card_new(&pci->dev, index[devno], id[devno], THIS_MODULE, |
952 | sizeof(snd_cx88_card_t), &card); | |
758021bf TI |
953 | if (err < 0) |
954 | return err; | |
b7f355d2 MCC |
955 | |
956 | card->private_free = snd_cx88_dev_free; | |
957 | ||
6951803c | 958 | err = snd_cx88_create(card, pci, &chip, &core); |
b7f355d2 | 959 | if (err < 0) |
a8782f66 | 960 | goto error; |
b7f355d2 MCC |
961 | |
962 | err = snd_cx88_pcm(chip, 0, "CX88 Digital"); | |
82896f29 TP |
963 | if (err < 0) |
964 | goto error; | |
b7f355d2 | 965 | |
54ac005a TP |
966 | err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_volume, chip)); |
967 | if (err < 0) | |
968 | goto error; | |
969 | err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_dac_switch, chip)); | |
970 | if (err < 0) | |
971 | goto error; | |
972 | err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_source_switch, chip)); | |
82896f29 TP |
973 | if (err < 0) |
974 | goto error; | |
b7f355d2 | 975 | |
6951803c | 976 | /* If there's a wm8775 then add a Line-In ALC switch */ |
609c4c12 | 977 | if (core->sd_wm8775) |
6951803c LR |
978 | snd_ctl_add(card, snd_ctl_new1(&snd_cx88_alc_switch, chip)); |
979 | ||
b7f355d2 MCC |
980 | strcpy (card->driver, "CX88x"); |
981 | sprintf(card->shortname, "Conexant CX%x", pci->device); | |
228aef63 GKH |
982 | sprintf(card->longname, "%s at %#llx", |
983 | card->shortname,(unsigned long long)pci_resource_start(pci, 0)); | |
b7f355d2 MCC |
984 | strcpy (card->mixername, "CX88"); |
985 | ||
986 | dprintk (0, "%s/%i: ALSA support for cx2388x boards\n", | |
987 | card->driver,devno); | |
988 | ||
989 | err = snd_card_register(card); | |
82896f29 TP |
990 | if (err < 0) |
991 | goto error; | |
b7f355d2 MCC |
992 | pci_set_drvdata(pci,card); |
993 | ||
994 | devno++; | |
995 | return 0; | |
82896f29 TP |
996 | |
997 | error: | |
998 | snd_card_free(card); | |
999 | return err; | |
b7f355d2 MCC |
1000 | } |
1001 | /* | |
1002 | * ALSA destructor | |
1003 | */ | |
4c62e976 | 1004 | static void cx88_audio_finidev(struct pci_dev *pci) |
b7f355d2 | 1005 | { |
cd86e3b5 | 1006 | struct snd_card *card = pci_get_drvdata(pci); |
b7f355d2 | 1007 | |
cd86e3b5 | 1008 | snd_card_free(card); |
b7f355d2 | 1009 | |
b7f355d2 MCC |
1010 | devno--; |
1011 | } | |
1012 | ||
1013 | /* | |
1014 | * PCI driver definition | |
1015 | */ | |
1016 | ||
1017 | static struct pci_driver cx88_audio_pci_driver = { | |
1018 | .name = "cx88_audio", | |
1019 | .id_table = cx88_audio_pci_tbl, | |
1020 | .probe = cx88_audio_initdev, | |
4c62e976 | 1021 | .remove = cx88_audio_finidev, |
b7f355d2 MCC |
1022 | }; |
1023 | ||
59963b94 | 1024 | module_pci_driver(cx88_audio_pci_driver); |