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24#include <linux/init.h>
25#include <linux/interrupt.h>
26#include <linux/pci.h>
27#include <linux/slab.h>
28#include <linux/moduleparam.h>
29#include <linux/bitops.h>
30#include <asm/io.h>
31#include <sound/core.h>
32#include <sound/pcm.h>
33#include <sound/pcm_params.h>
34#include <sound/control.h>
35#include <sound/initval.h>
36
37MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
38MODULE_DESCRIPTION("Brooktree Bt87x audio driver");
39MODULE_LICENSE("GPL");
40MODULE_SUPPORTED_DEVICE("{{Brooktree,Bt878},"
41 "{Brooktree,Bt879}}");
42
43static int index[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -2};
44static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
45static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
46static int digital_rate[SNDRV_CARDS];
47static int load_all;
48
49module_param_array(index, int, NULL, 0444);
50MODULE_PARM_DESC(index, "Index value for Bt87x soundcard");
51module_param_array(id, charp, NULL, 0444);
52MODULE_PARM_DESC(id, "ID string for Bt87x soundcard");
53module_param_array(enable, bool, NULL, 0444);
54MODULE_PARM_DESC(enable, "Enable Bt87x soundcard");
55module_param_array(digital_rate, int, NULL, 0444);
56MODULE_PARM_DESC(digital_rate, "Digital input rate for Bt87x soundcard");
57module_param(load_all, bool, 0444);
58MODULE_PARM_DESC(load_all, "Allow to load the non-whitelisted cards");
59
60
61
62#define REG_INT_STAT 0x100
63#define REG_INT_MASK 0x104
64#define REG_GPIO_DMA_CTL 0x10c
65#define REG_PACKET_LEN 0x110
66#define REG_RISC_STRT_ADD 0x114
67#define REG_RISC_COUNT 0x120
68
69
70#define INT_OFLOW (1 << 3)
71#define INT_RISCI (1 << 11)
72#define INT_FBUS (1 << 12)
73#define INT_FTRGT (1 << 13)
74#define INT_FDSR (1 << 14)
75#define INT_PPERR (1 << 15)
76#define INT_RIPERR (1 << 16)
77#define INT_PABORT (1 << 17)
78#define INT_OCERR (1 << 18)
79#define INT_SCERR (1 << 19)
80#define INT_RISC_EN (1 << 27)
81#define INT_RISCS_SHIFT 28
82
83
84#define CTL_FIFO_ENABLE (1 << 0)
85#define CTL_RISC_ENABLE (1 << 1)
86#define CTL_PKTP_4 (0 << 2)
87#define CTL_PKTP_8 (1 << 2)
88#define CTL_PKTP_16 (2 << 2)
89#define CTL_ACAP_EN (1 << 4)
90#define CTL_DA_APP (1 << 5)
91#define CTL_DA_IOM_AFE (0 << 6)
92#define CTL_DA_IOM_DA (1 << 6)
93#define CTL_DA_SDR_SHIFT 8
94#define CTL_DA_SDR_MASK (0xf<< 8)
95#define CTL_DA_LMT (1 << 12)
96#define CTL_DA_ES2 (1 << 13)
97#define CTL_DA_SBR (1 << 14)
98#define CTL_DA_DPM (1 << 15)
99#define CTL_DA_LRD_SHIFT 16
100#define CTL_DA_MLB (1 << 21)
101#define CTL_DA_LRI (1 << 22)
102#define CTL_DA_SCE (1 << 23)
103#define CTL_A_SEL_STV (0 << 24)
104#define CTL_A_SEL_SFM (1 << 24)
105#define CTL_A_SEL_SML (2 << 24)
106#define CTL_A_SEL_SMXC (3 << 24)
107#define CTL_A_SEL_SHIFT 24
108#define CTL_A_SEL_MASK (3 << 24)
109#define CTL_A_PWRDN (1 << 26)
110#define CTL_A_G2X (1 << 27)
111#define CTL_A_GAIN_SHIFT 28
112#define CTL_A_GAIN_MASK (0xf<<28)
113
114
115#define RISC_WRITE (0x1 << 28)
116#define RISC_WRITEC (0x5 << 28)
117#define RISC_SKIP (0x2 << 28)
118#define RISC_JUMP (0x7 << 28)
119#define RISC_SYNC (0x8 << 28)
120
121
122#define RISC_BYTES_ENABLE (0xf << 12)
123#define RISC_RESYNC ( 1 << 15)
124#define RISC_SET_STATUS_SHIFT 16
125#define RISC_RESET_STATUS_SHIFT 20
126#define RISC_IRQ ( 1 << 24)
127#define RISC_EOL ( 1 << 26)
128#define RISC_SOL ( 1 << 27)
129
130
131#define RISC_SYNC_FM1 0x6
132#define RISC_SYNC_VRO 0xc
133
134#define ANALOG_CLOCK 1792000
135#ifdef CONFIG_SND_BT87X_OVERCLOCK
136#define CLOCK_DIV_MIN 1
137#else
138#define CLOCK_DIV_MIN 4
139#endif
140#define CLOCK_DIV_MAX 15
141
142#define ERROR_INTERRUPTS (INT_FBUS | INT_FTRGT | INT_PPERR | \
143 INT_RIPERR | INT_PABORT | INT_OCERR)
144#define MY_INTERRUPTS (INT_RISCI | ERROR_INTERRUPTS)
145
146
147#define MAX_RISC_SIZE ((1 + 255 + (PAGE_ALIGN(255 * 4092) / PAGE_SIZE - 1) + 1 + 1) * 8)
148
149
150enum snd_bt87x_boardid {
151 SND_BT87X_BOARD_UNKNOWN,
152 SND_BT87X_BOARD_GENERIC,
153 SND_BT87X_BOARD_ANALOG,
154 SND_BT87X_BOARD_OSPREY2x0,
155 SND_BT87X_BOARD_OSPREY440,
156 SND_BT87X_BOARD_AVPHONE98,
157};
158
159
160struct snd_bt87x_board {
161 int dig_rate;
162 u32 digital_fmt;
163 unsigned no_analog:1;
164 unsigned no_digital:1;
165};
166
167static __devinitdata struct snd_bt87x_board snd_bt87x_boards[] = {
168 [SND_BT87X_BOARD_UNKNOWN] = {
169 .dig_rate = 32000,
170 },
171 [SND_BT87X_BOARD_GENERIC] = {
172 .dig_rate = 32000,
173 },
174 [SND_BT87X_BOARD_ANALOG] = {
175 .no_digital = 1,
176 },
177 [SND_BT87X_BOARD_OSPREY2x0] = {
178 .dig_rate = 44100,
179 .digital_fmt = CTL_DA_LRI | (1 << CTL_DA_LRD_SHIFT),
180 },
181 [SND_BT87X_BOARD_OSPREY440] = {
182 .dig_rate = 32000,
183 .digital_fmt = CTL_DA_LRI | (1 << CTL_DA_LRD_SHIFT),
184 .no_analog = 1,
185 },
186 [SND_BT87X_BOARD_AVPHONE98] = {
187 .dig_rate = 48000,
188 },
189};
190
191struct snd_bt87x {
192 struct snd_card *card;
193 struct pci_dev *pci;
194 struct snd_bt87x_board board;
195
196 void __iomem *mmio;
197 int irq;
198
199 spinlock_t reg_lock;
200 unsigned long opened;
201 struct snd_pcm_substream *substream;
202
203 struct snd_dma_buffer dma_risc;
204 unsigned int line_bytes;
205 unsigned int lines;
206
207 u32 reg_control;
208 u32 interrupt_mask;
209
210 int current_line;
211
212 int pci_parity_errors;
213};
214
215enum { DEVICE_DIGITAL, DEVICE_ANALOG };
216
217static inline u32 snd_bt87x_readl(struct snd_bt87x *chip, u32 reg)
218{
219 return readl(chip->mmio + reg);
220}
221
222static inline void snd_bt87x_writel(struct snd_bt87x *chip, u32 reg, u32 value)
223{
224 writel(value, chip->mmio + reg);
225}
226
227static int snd_bt87x_create_risc(struct snd_bt87x *chip, struct snd_pcm_substream *substream,
228 unsigned int periods, unsigned int period_bytes)
229{
230 unsigned int i, offset;
231 u32 *risc;
232
233 if (chip->dma_risc.area == NULL) {
234 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
235 PAGE_ALIGN(MAX_RISC_SIZE), &chip->dma_risc) < 0)
236 return -ENOMEM;
237 }
238 risc = (u32 *)chip->dma_risc.area;
239 offset = 0;
240 *risc++ = cpu_to_le32(RISC_SYNC | RISC_SYNC_FM1);
241 *risc++ = cpu_to_le32(0);
242 for (i = 0; i < periods; ++i) {
243 u32 rest;
244
245 rest = period_bytes;
246 do {
247 u32 cmd, len;
248 unsigned int addr;
249
250 len = PAGE_SIZE - (offset % PAGE_SIZE);
251 if (len > rest)
252 len = rest;
253 cmd = RISC_WRITE | len;
254 if (rest == period_bytes) {
255 u32 block = i * 16 / periods;
256 cmd |= RISC_SOL;
257 cmd |= block << RISC_SET_STATUS_SHIFT;
258 cmd |= (~block & 0xf) << RISC_RESET_STATUS_SHIFT;
259 }
260 if (len == rest)
261 cmd |= RISC_EOL | RISC_IRQ;
262 *risc++ = cpu_to_le32(cmd);
263 addr = snd_pcm_sgbuf_get_addr(substream, offset);
264 *risc++ = cpu_to_le32(addr);
265 offset += len;
266 rest -= len;
267 } while (rest > 0);
268 }
269 *risc++ = cpu_to_le32(RISC_SYNC | RISC_SYNC_VRO);
270 *risc++ = cpu_to_le32(0);
271 *risc++ = cpu_to_le32(RISC_JUMP);
272 *risc++ = cpu_to_le32(chip->dma_risc.addr);
273 chip->line_bytes = period_bytes;
274 chip->lines = periods;
275 return 0;
276}
277
278static void snd_bt87x_free_risc(struct snd_bt87x *chip)
279{
280 if (chip->dma_risc.area) {
281 snd_dma_free_pages(&chip->dma_risc);
282 chip->dma_risc.area = NULL;
283 }
284}
285
286static void snd_bt87x_pci_error(struct snd_bt87x *chip, unsigned int status)
287{
288 u16 pci_status;
289
290 pci_read_config_word(chip->pci, PCI_STATUS, &pci_status);
291 pci_status &= PCI_STATUS_PARITY | PCI_STATUS_SIG_TARGET_ABORT |
292 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_REC_MASTER_ABORT |
293 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY;
294 pci_write_config_word(chip->pci, PCI_STATUS, pci_status);
295 if (pci_status != PCI_STATUS_DETECTED_PARITY)
296 snd_printk(KERN_ERR "Aieee - PCI error! status %#08x, PCI status %#04x\n",
297 status & ERROR_INTERRUPTS, pci_status);
298 else {
299 snd_printk(KERN_ERR "Aieee - PCI parity error detected!\n");
300
301 chip->pci_parity_errors++;
302 if (chip->pci_parity_errors > 20) {
303 snd_printk(KERN_ERR "Too many PCI parity errors observed.\n");
304 snd_printk(KERN_ERR "Some device on this bus is generating bad parity.\n");
305 snd_printk(KERN_ERR "This is an error *observed by*, not *generated by*, this card.\n");
306 snd_printk(KERN_ERR "PCI parity error checking has been disabled.\n");
307 chip->interrupt_mask &= ~(INT_PPERR | INT_RIPERR);
308 snd_bt87x_writel(chip, REG_INT_MASK, chip->interrupt_mask);
309 }
310 }
311}
312
313static irqreturn_t snd_bt87x_interrupt(int irq, void *dev_id)
314{
315 struct snd_bt87x *chip = dev_id;
316 unsigned int status, irq_status;
317
318 status = snd_bt87x_readl(chip, REG_INT_STAT);
319 irq_status = status & chip->interrupt_mask;
320 if (!irq_status)
321 return IRQ_NONE;
322 snd_bt87x_writel(chip, REG_INT_STAT, irq_status);
323
324 if (irq_status & ERROR_INTERRUPTS) {
325 if (irq_status & (INT_FBUS | INT_FTRGT))
326 snd_printk(KERN_WARNING "FIFO overrun, status %#08x\n", status);
327 if (irq_status & INT_OCERR)
328 snd_printk(KERN_ERR "internal RISC error, status %#08x\n", status);
329 if (irq_status & (INT_PPERR | INT_RIPERR | INT_PABORT))
330 snd_bt87x_pci_error(chip, irq_status);
331 }
332 if ((irq_status & INT_RISCI) && (chip->reg_control & CTL_ACAP_EN)) {
333 int current_block, irq_block;
334
335
336 chip->current_line = (chip->current_line + 1) % chip->lines;
337
338 current_block = chip->current_line * 16 / chip->lines;
339 irq_block = status >> INT_RISCS_SHIFT;
340 if (current_block != irq_block)
341 chip->current_line = (irq_block * chip->lines + 15) / 16;
342
343 snd_pcm_period_elapsed(chip->substream);
344 }
345 return IRQ_HANDLED;
346}
347
348static struct snd_pcm_hardware snd_bt87x_digital_hw = {
349 .info = SNDRV_PCM_INFO_MMAP |
350 SNDRV_PCM_INFO_INTERLEAVED |
351 SNDRV_PCM_INFO_BLOCK_TRANSFER |
352 SNDRV_PCM_INFO_MMAP_VALID |
353 SNDRV_PCM_INFO_BATCH,
354 .formats = SNDRV_PCM_FMTBIT_S16_LE,
355 .rates = 0,
356 .channels_min = 2,
357 .channels_max = 2,
358 .buffer_bytes_max = 255 * 4092,
359 .period_bytes_min = 32,
360 .period_bytes_max = 4092,
361 .periods_min = 2,
362 .periods_max = 255,
363};
364
365static struct snd_pcm_hardware snd_bt87x_analog_hw = {
366 .info = SNDRV_PCM_INFO_MMAP |
367 SNDRV_PCM_INFO_INTERLEAVED |
368 SNDRV_PCM_INFO_BLOCK_TRANSFER |
369 SNDRV_PCM_INFO_MMAP_VALID |
370 SNDRV_PCM_INFO_BATCH,
371 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8,
372 .rates = SNDRV_PCM_RATE_KNOT,
373 .rate_min = ANALOG_CLOCK / CLOCK_DIV_MAX,
374 .rate_max = ANALOG_CLOCK / CLOCK_DIV_MIN,
375 .channels_min = 1,
376 .channels_max = 1,
377 .buffer_bytes_max = 255 * 4092,
378 .period_bytes_min = 32,
379 .period_bytes_max = 4092,
380 .periods_min = 2,
381 .periods_max = 255,
382};
383
384static int snd_bt87x_set_digital_hw(struct snd_bt87x *chip, struct snd_pcm_runtime *runtime)
385{
386 chip->reg_control |= CTL_DA_IOM_DA | CTL_A_PWRDN;
387 runtime->hw = snd_bt87x_digital_hw;
388 runtime->hw.rates = snd_pcm_rate_to_rate_bit(chip->board.dig_rate);
389 runtime->hw.rate_min = chip->board.dig_rate;
390 runtime->hw.rate_max = chip->board.dig_rate;
391 return 0;
392}
393
394static int snd_bt87x_set_analog_hw(struct snd_bt87x *chip, struct snd_pcm_runtime *runtime)
395{
396 static struct snd_ratnum analog_clock = {
397 .num = ANALOG_CLOCK,
398 .den_min = CLOCK_DIV_MIN,
399 .den_max = CLOCK_DIV_MAX,
400 .den_step = 1
401 };
402 static struct snd_pcm_hw_constraint_ratnums constraint_rates = {
403 .nrats = 1,
404 .rats = &analog_clock
405 };
406
407 chip->reg_control &= ~(CTL_DA_IOM_DA | CTL_A_PWRDN);
408 runtime->hw = snd_bt87x_analog_hw;
409 return snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
410 &constraint_rates);
411}
412
413static int snd_bt87x_pcm_open(struct snd_pcm_substream *substream)
414{
415 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
416 struct snd_pcm_runtime *runtime = substream->runtime;
417 int err;
418
419 if (test_and_set_bit(0, &chip->opened))
420 return -EBUSY;
421
422 if (substream->pcm->device == DEVICE_DIGITAL)
423 err = snd_bt87x_set_digital_hw(chip, runtime);
424 else
425 err = snd_bt87x_set_analog_hw(chip, runtime);
426 if (err < 0)
427 goto _error;
428
429 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
430 if (err < 0)
431 goto _error;
432
433 chip->substream = substream;
434 return 0;
435
436_error:
437 clear_bit(0, &chip->opened);
438 smp_mb__after_clear_bit();
439 return err;
440}
441
442static int snd_bt87x_close(struct snd_pcm_substream *substream)
443{
444 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
445
446 spin_lock_irq(&chip->reg_lock);
447 chip->reg_control |= CTL_A_PWRDN;
448 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
449 spin_unlock_irq(&chip->reg_lock);
450
451 chip->substream = NULL;
452 clear_bit(0, &chip->opened);
453 smp_mb__after_clear_bit();
454 return 0;
455}
456
457static int snd_bt87x_hw_params(struct snd_pcm_substream *substream,
458 struct snd_pcm_hw_params *hw_params)
459{
460 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
461 int err;
462
463 err = snd_pcm_lib_malloc_pages(substream,
464 params_buffer_bytes(hw_params));
465 if (err < 0)
466 return err;
467 return snd_bt87x_create_risc(chip, substream,
468 params_periods(hw_params),
469 params_period_bytes(hw_params));
470}
471
472static int snd_bt87x_hw_free(struct snd_pcm_substream *substream)
473{
474 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
475
476 snd_bt87x_free_risc(chip);
477 snd_pcm_lib_free_pages(substream);
478 return 0;
479}
480
481static int snd_bt87x_prepare(struct snd_pcm_substream *substream)
482{
483 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
484 struct snd_pcm_runtime *runtime = substream->runtime;
485 int decimation;
486
487 spin_lock_irq(&chip->reg_lock);
488 chip->reg_control &= ~(CTL_DA_SDR_MASK | CTL_DA_SBR);
489 decimation = (ANALOG_CLOCK + runtime->rate / 4) / runtime->rate;
490 chip->reg_control |= decimation << CTL_DA_SDR_SHIFT;
491 if (runtime->format == SNDRV_PCM_FORMAT_S8)
492 chip->reg_control |= CTL_DA_SBR;
493 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
494 spin_unlock_irq(&chip->reg_lock);
495 return 0;
496}
497
498static int snd_bt87x_start(struct snd_bt87x *chip)
499{
500 spin_lock(&chip->reg_lock);
501 chip->current_line = 0;
502 chip->reg_control |= CTL_FIFO_ENABLE | CTL_RISC_ENABLE | CTL_ACAP_EN;
503 snd_bt87x_writel(chip, REG_RISC_STRT_ADD, chip->dma_risc.addr);
504 snd_bt87x_writel(chip, REG_PACKET_LEN,
505 chip->line_bytes | (chip->lines << 16));
506 snd_bt87x_writel(chip, REG_INT_MASK, chip->interrupt_mask);
507 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
508 spin_unlock(&chip->reg_lock);
509 return 0;
510}
511
512static int snd_bt87x_stop(struct snd_bt87x *chip)
513{
514 spin_lock(&chip->reg_lock);
515 chip->reg_control &= ~(CTL_FIFO_ENABLE | CTL_RISC_ENABLE | CTL_ACAP_EN);
516 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
517 snd_bt87x_writel(chip, REG_INT_MASK, 0);
518 snd_bt87x_writel(chip, REG_INT_STAT, MY_INTERRUPTS);
519 spin_unlock(&chip->reg_lock);
520 return 0;
521}
522
523static int snd_bt87x_trigger(struct snd_pcm_substream *substream, int cmd)
524{
525 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
526
527 switch (cmd) {
528 case SNDRV_PCM_TRIGGER_START:
529 return snd_bt87x_start(chip);
530 case SNDRV_PCM_TRIGGER_STOP:
531 return snd_bt87x_stop(chip);
532 default:
533 return -EINVAL;
534 }
535}
536
537static snd_pcm_uframes_t snd_bt87x_pointer(struct snd_pcm_substream *substream)
538{
539 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
540 struct snd_pcm_runtime *runtime = substream->runtime;
541
542 return (snd_pcm_uframes_t)bytes_to_frames(runtime, chip->current_line * chip->line_bytes);
543}
544
545static struct snd_pcm_ops snd_bt87x_pcm_ops = {
546 .open = snd_bt87x_pcm_open,
547 .close = snd_bt87x_close,
548 .ioctl = snd_pcm_lib_ioctl,
549 .hw_params = snd_bt87x_hw_params,
550 .hw_free = snd_bt87x_hw_free,
551 .prepare = snd_bt87x_prepare,
552 .trigger = snd_bt87x_trigger,
553 .pointer = snd_bt87x_pointer,
554 .page = snd_pcm_sgbuf_ops_page,
555};
556
557static int snd_bt87x_capture_volume_info(struct snd_kcontrol *kcontrol,
558 struct snd_ctl_elem_info *info)
559{
560 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
561 info->count = 1;
562 info->value.integer.min = 0;
563 info->value.integer.max = 15;
564 return 0;
565}
566
567static int snd_bt87x_capture_volume_get(struct snd_kcontrol *kcontrol,
568 struct snd_ctl_elem_value *value)
569{
570 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
571
572 value->value.integer.value[0] = (chip->reg_control & CTL_A_GAIN_MASK) >> CTL_A_GAIN_SHIFT;
573 return 0;
574}
575
576static int snd_bt87x_capture_volume_put(struct snd_kcontrol *kcontrol,
577 struct snd_ctl_elem_value *value)
578{
579 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
580 u32 old_control;
581 int changed;
582
583 spin_lock_irq(&chip->reg_lock);
584 old_control = chip->reg_control;
585 chip->reg_control = (chip->reg_control & ~CTL_A_GAIN_MASK)
586 | (value->value.integer.value[0] << CTL_A_GAIN_SHIFT);
587 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
588 changed = old_control != chip->reg_control;
589 spin_unlock_irq(&chip->reg_lock);
590 return changed;
591}
592
593static struct snd_kcontrol_new snd_bt87x_capture_volume = {
594 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
595 .name = "Capture Volume",
596 .info = snd_bt87x_capture_volume_info,
597 .get = snd_bt87x_capture_volume_get,
598 .put = snd_bt87x_capture_volume_put,
599};
600
601#define snd_bt87x_capture_boost_info snd_ctl_boolean_mono_info
602
603static int snd_bt87x_capture_boost_get(struct snd_kcontrol *kcontrol,
604 struct snd_ctl_elem_value *value)
605{
606 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
607
608 value->value.integer.value[0] = !! (chip->reg_control & CTL_A_G2X);
609 return 0;
610}
611
612static int snd_bt87x_capture_boost_put(struct snd_kcontrol *kcontrol,
613 struct snd_ctl_elem_value *value)
614{
615 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
616 u32 old_control;
617 int changed;
618
619 spin_lock_irq(&chip->reg_lock);
620 old_control = chip->reg_control;
621 chip->reg_control = (chip->reg_control & ~CTL_A_G2X)
622 | (value->value.integer.value[0] ? CTL_A_G2X : 0);
623 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
624 changed = chip->reg_control != old_control;
625 spin_unlock_irq(&chip->reg_lock);
626 return changed;
627}
628
629static struct snd_kcontrol_new snd_bt87x_capture_boost = {
630 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
631 .name = "Capture Boost",
632 .info = snd_bt87x_capture_boost_info,
633 .get = snd_bt87x_capture_boost_get,
634 .put = snd_bt87x_capture_boost_put,
635};
636
637static int snd_bt87x_capture_source_info(struct snd_kcontrol *kcontrol,
638 struct snd_ctl_elem_info *info)
639{
640 static char *texts[3] = {"TV Tuner", "FM", "Mic/Line"};
641
642 info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
643 info->count = 1;
644 info->value.enumerated.items = 3;
645 if (info->value.enumerated.item > 2)
646 info->value.enumerated.item = 2;
647 strcpy(info->value.enumerated.name, texts[info->value.enumerated.item]);
648 return 0;
649}
650
651static int snd_bt87x_capture_source_get(struct snd_kcontrol *kcontrol,
652 struct snd_ctl_elem_value *value)
653{
654 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
655
656 value->value.enumerated.item[0] = (chip->reg_control & CTL_A_SEL_MASK) >> CTL_A_SEL_SHIFT;
657 return 0;
658}
659
660static int snd_bt87x_capture_source_put(struct snd_kcontrol *kcontrol,
661 struct snd_ctl_elem_value *value)
662{
663 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
664 u32 old_control;
665 int changed;
666
667 spin_lock_irq(&chip->reg_lock);
668 old_control = chip->reg_control;
669 chip->reg_control = (chip->reg_control & ~CTL_A_SEL_MASK)
670 | (value->value.enumerated.item[0] << CTL_A_SEL_SHIFT);
671 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
672 changed = chip->reg_control != old_control;
673 spin_unlock_irq(&chip->reg_lock);
674 return changed;
675}
676
677static struct snd_kcontrol_new snd_bt87x_capture_source = {
678 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
679 .name = "Capture Source",
680 .info = snd_bt87x_capture_source_info,
681 .get = snd_bt87x_capture_source_get,
682 .put = snd_bt87x_capture_source_put,
683};
684
685static int snd_bt87x_free(struct snd_bt87x *chip)
686{
687 if (chip->mmio)
688 snd_bt87x_stop(chip);
689 if (chip->irq >= 0)
690 free_irq(chip->irq, chip);
691 if (chip->mmio)
692 iounmap(chip->mmio);
693 pci_release_regions(chip->pci);
694 pci_disable_device(chip->pci);
695 kfree(chip);
696 return 0;
697}
698
699static int snd_bt87x_dev_free(struct snd_device *device)
700{
701 struct snd_bt87x *chip = device->device_data;
702 return snd_bt87x_free(chip);
703}
704
705static int __devinit snd_bt87x_pcm(struct snd_bt87x *chip, int device, char *name)
706{
707 int err;
708 struct snd_pcm *pcm;
709
710 err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm);
711 if (err < 0)
712 return err;
713 pcm->private_data = chip;
714 strcpy(pcm->name, name);
715 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_bt87x_pcm_ops);
716 return snd_pcm_lib_preallocate_pages_for_all(pcm,
717 SNDRV_DMA_TYPE_DEV_SG,
718 snd_dma_pci_data(chip->pci),
719 128 * 1024,
720 ALIGN(255 * 4092, 1024));
721}
722
723static int __devinit snd_bt87x_create(struct snd_card *card,
724 struct pci_dev *pci,
725 struct snd_bt87x **rchip)
726{
727 struct snd_bt87x *chip;
728 int err;
729 static struct snd_device_ops ops = {
730 .dev_free = snd_bt87x_dev_free
731 };
732
733 *rchip = NULL;
734
735 err = pci_enable_device(pci);
736 if (err < 0)
737 return err;
738
739 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
740 if (!chip) {
741 pci_disable_device(pci);
742 return -ENOMEM;
743 }
744 chip->card = card;
745 chip->pci = pci;
746 chip->irq = -1;
747 spin_lock_init(&chip->reg_lock);
748
749 if ((err = pci_request_regions(pci, "Bt87x audio")) < 0) {
750 kfree(chip);
751 pci_disable_device(pci);
752 return err;
753 }
754 chip->mmio = pci_ioremap_bar(pci, 0);
755 if (!chip->mmio) {
756 snd_printk(KERN_ERR "cannot remap io memory\n");
757 err = -ENOMEM;
758 goto fail;
759 }
760
761 chip->reg_control = CTL_A_PWRDN | CTL_DA_ES2 |
762 CTL_PKTP_16 | (15 << CTL_DA_SDR_SHIFT);
763 chip->interrupt_mask = MY_INTERRUPTS;
764 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
765 snd_bt87x_writel(chip, REG_INT_MASK, 0);
766 snd_bt87x_writel(chip, REG_INT_STAT, MY_INTERRUPTS);
767
768 err = request_irq(pci->irq, snd_bt87x_interrupt, IRQF_SHARED,
769 "Bt87x audio", chip);
770 if (err < 0) {
771 snd_printk(KERN_ERR "cannot grab irq %d\n", pci->irq);
772 goto fail;
773 }
774 chip->irq = pci->irq;
775 pci_set_master(pci);
776 synchronize_irq(chip->irq);
777
778 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
779 if (err < 0)
780 goto fail;
781
782 snd_card_set_dev(card, &pci->dev);
783 *rchip = chip;
784 return 0;
785
786fail:
787 snd_bt87x_free(chip);
788 return err;
789}
790
791#define BT_DEVICE(chip, subvend, subdev, id) \
792 { .vendor = PCI_VENDOR_ID_BROOKTREE, \
793 .device = chip, \
794 .subvendor = subvend, .subdevice = subdev, \
795 .driver_data = SND_BT87X_BOARD_ ## id }
796
797
798static struct pci_device_id snd_bt87x_ids[] = {
799
800 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0x13eb, GENERIC),
801
802 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_879, 0x0070, 0x13eb, GENERIC),
803
804 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0xff01, OSPREY2x0),
805
806 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0xff07, OSPREY440),
807
808 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x1002, 0x0001, GENERIC),
809
810 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x107d, 0x6606, GENERIC),
811
812 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x11bd, 0x0012, GENERIC),
813
814 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x121a, 0x3000, GENERIC),
815
816 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x144f, 0x3000, GENERIC),
817
818 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x1461, 0x0003, AVPHONE98),
819
820 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x1554, 0x4011, GENERIC),
821
822 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0xbd11, 0x1200, GENERIC),
823 { }
824};
825MODULE_DEVICE_TABLE(pci, snd_bt87x_ids);
826
827
828
829static struct {
830 unsigned short subvendor, subdevice;
831} blacklist[] __devinitdata = {
832 {0x0071, 0x0101},
833 {0x11bd, 0x001c},
834 {0x11bd, 0x0026},
835 {0x1461, 0x0761},
836 {0x1461, 0x0771},
837 {0x1822, 0x0001},
838 {0x18ac, 0xd500},
839 {0x18ac, 0xdb10},
840 {0x18ac, 0xdb11},
841 {0x270f, 0xfc00},
842 {0x7063, 0x2000},
843};
844
845static struct pci_driver driver;
846
847
848static int __devinit snd_bt87x_detect_card(struct pci_dev *pci)
849{
850 int i;
851 const struct pci_device_id *supported;
852
853 supported = pci_match_id(snd_bt87x_ids, pci);
854 if (supported && supported->driver_data > 0)
855 return supported->driver_data;
856
857 for (i = 0; i < ARRAY_SIZE(blacklist); ++i)
858 if (blacklist[i].subvendor == pci->subsystem_vendor &&
859 blacklist[i].subdevice == pci->subsystem_device) {
860 snd_printdd(KERN_INFO "card %#04x-%#04x:%#04x has no audio\n",
861 pci->device, pci->subsystem_vendor, pci->subsystem_device);
862 return -EBUSY;
863 }
864
865 snd_printk(KERN_INFO "unknown card %#04x-%#04x:%#04x\n",
866 pci->device, pci->subsystem_vendor, pci->subsystem_device);
867 snd_printk(KERN_DEBUG "please mail id, board name, and, "
868 "if it works, the correct digital_rate option to "
869 "<alsa-devel@alsa-project.org>\n");
870 return SND_BT87X_BOARD_UNKNOWN;
871}
872
873static int __devinit snd_bt87x_probe(struct pci_dev *pci,
874 const struct pci_device_id *pci_id)
875{
876 static int dev;
877 struct snd_card *card;
878 struct snd_bt87x *chip;
879 int err;
880 enum snd_bt87x_boardid boardid;
881
882 if (!pci_id->driver_data) {
883 err = snd_bt87x_detect_card(pci);
884 if (err < 0)
885 return -ENODEV;
886 boardid = err;
887 } else
888 boardid = pci_id->driver_data;
889
890 if (dev >= SNDRV_CARDS)
891 return -ENODEV;
892 if (!enable[dev]) {
893 ++dev;
894 return -ENOENT;
895 }
896
897 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
898 if (err < 0)
899 return err;
900
901 err = snd_bt87x_create(card, pci, &chip);
902 if (err < 0)
903 goto _error;
904
905 memcpy(&chip->board, &snd_bt87x_boards[boardid], sizeof(chip->board));
906
907 if (!chip->board.no_digital) {
908 if (digital_rate[dev] > 0)
909 chip->board.dig_rate = digital_rate[dev];
910
911 chip->reg_control |= chip->board.digital_fmt;
912
913 err = snd_bt87x_pcm(chip, DEVICE_DIGITAL, "Bt87x Digital");
914 if (err < 0)
915 goto _error;
916 }
917 if (!chip->board.no_analog) {
918 err = snd_bt87x_pcm(chip, DEVICE_ANALOG, "Bt87x Analog");
919 if (err < 0)
920 goto _error;
921 err = snd_ctl_add(card, snd_ctl_new1(
922 &snd_bt87x_capture_volume, chip));
923 if (err < 0)
924 goto _error;
925 err = snd_ctl_add(card, snd_ctl_new1(
926 &snd_bt87x_capture_boost, chip));
927 if (err < 0)
928 goto _error;
929 err = snd_ctl_add(card, snd_ctl_new1(
930 &snd_bt87x_capture_source, chip));
931 if (err < 0)
932 goto _error;
933 }
934 snd_printk(KERN_INFO "bt87x%d: Using board %d, %sanalog, %sdigital "
935 "(rate %d Hz)\n", dev, boardid,
936 chip->board.no_analog ? "no " : "",
937 chip->board.no_digital ? "no " : "", chip->board.dig_rate);
938
939 strcpy(card->driver, "Bt87x");
940 sprintf(card->shortname, "Brooktree Bt%x", pci->device);
941 sprintf(card->longname, "%s at %#llx, irq %i",
942 card->shortname, (unsigned long long)pci_resource_start(pci, 0),
943 chip->irq);
944 strcpy(card->mixername, "Bt87x");
945
946 err = snd_card_register(card);
947 if (err < 0)
948 goto _error;
949
950 pci_set_drvdata(pci, card);
951 ++dev;
952 return 0;
953
954_error:
955 snd_card_free(card);
956 return err;
957}
958
959static void __devexit snd_bt87x_remove(struct pci_dev *pci)
960{
961 snd_card_free(pci_get_drvdata(pci));
962 pci_set_drvdata(pci, NULL);
963}
964
965
966
967static struct pci_device_id snd_bt87x_default_ids[] __devinitdata = {
968 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, PCI_ANY_ID, PCI_ANY_ID, UNKNOWN),
969 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_879, PCI_ANY_ID, PCI_ANY_ID, UNKNOWN),
970 { }
971};
972
973static struct pci_driver driver = {
974 .name = "Bt87x",
975 .id_table = snd_bt87x_ids,
976 .probe = snd_bt87x_probe,
977 .remove = __devexit_p(snd_bt87x_remove),
978};
979
980static int __init alsa_card_bt87x_init(void)
981{
982 if (load_all)
983 driver.id_table = snd_bt87x_default_ids;
984 return pci_register_driver(&driver);
985}
986
987static void __exit alsa_card_bt87x_exit(void)
988{
989 pci_unregister_driver(&driver);
990}
991
992module_init(alsa_card_bt87x_init)
993module_exit(alsa_card_bt87x_exit)
994