blob: 97a280a246cb57002fa9028317c0660add7d7ac8 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * bt87x.c - Brooktree Bt878/Bt879 driver for ALSA
3 *
4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5 *
6 * based on btaudio.c by Gerd Knorr <kraxel@bytesex.org>
7 *
8 *
9 * This driver is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This driver is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23
24#include <sound/driver.h>
25#include <linux/init.h>
26#include <linux/interrupt.h>
27#include <linux/pci.h>
28#include <linux/slab.h>
29#include <linux/moduleparam.h>
30#include <linux/bitops.h>
31#include <asm/io.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
38MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
39MODULE_DESCRIPTION("Brooktree Bt87x audio driver");
40MODULE_LICENSE("GPL");
41MODULE_SUPPORTED_DEVICE("{{Brooktree,Bt878},"
42 "{Brooktree,Bt879}}");
43
44static int index[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -2}; /* Exclude the first card */
45static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
46static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
Takashi Iwai6581f4e2006-05-17 17:14:51 +020047static int digital_rate[SNDRV_CARDS]; /* digital input rate */
Linus Torvalds1da177e2005-04-16 15:20:36 -070048static int load_all; /* allow to load the non-whitelisted cards */
49
50module_param_array(index, int, NULL, 0444);
51MODULE_PARM_DESC(index, "Index value for Bt87x soundcard");
52module_param_array(id, charp, NULL, 0444);
53MODULE_PARM_DESC(id, "ID string for Bt87x soundcard");
54module_param_array(enable, bool, NULL, 0444);
55MODULE_PARM_DESC(enable, "Enable Bt87x soundcard");
56module_param_array(digital_rate, int, NULL, 0444);
57MODULE_PARM_DESC(digital_rate, "Digital input rate for Bt87x soundcard");
58module_param(load_all, bool, 0444);
59MODULE_PARM_DESC(load_all, "Allow to load the non-whitelisted cards");
60
61
Linus Torvalds1da177e2005-04-16 15:20:36 -070062/* register offsets */
63#define REG_INT_STAT 0x100 /* interrupt status */
64#define REG_INT_MASK 0x104 /* interrupt mask */
65#define REG_GPIO_DMA_CTL 0x10c /* audio control */
66#define REG_PACKET_LEN 0x110 /* audio packet lengths */
67#define REG_RISC_STRT_ADD 0x114 /* RISC program start address */
68#define REG_RISC_COUNT 0x120 /* RISC program counter */
69
70/* interrupt bits */
71#define INT_OFLOW (1 << 3) /* audio A/D overflow */
72#define INT_RISCI (1 << 11) /* RISC instruction IRQ bit set */
73#define INT_FBUS (1 << 12) /* FIFO overrun due to bus access latency */
74#define INT_FTRGT (1 << 13) /* FIFO overrun due to target latency */
75#define INT_FDSR (1 << 14) /* FIFO data stream resynchronization */
76#define INT_PPERR (1 << 15) /* PCI parity error */
77#define INT_RIPERR (1 << 16) /* RISC instruction parity error */
78#define INT_PABORT (1 << 17) /* PCI master or target abort */
79#define INT_OCERR (1 << 18) /* invalid opcode */
80#define INT_SCERR (1 << 19) /* sync counter overflow */
81#define INT_RISC_EN (1 << 27) /* DMA controller running */
82#define INT_RISCS_SHIFT 28 /* RISC status bits */
83
84/* audio control bits */
85#define CTL_FIFO_ENABLE (1 << 0) /* enable audio data FIFO */
86#define CTL_RISC_ENABLE (1 << 1) /* enable audio DMA controller */
87#define CTL_PKTP_4 (0 << 2) /* packet mode FIFO trigger point - 4 DWORDs */
88#define CTL_PKTP_8 (1 << 2) /* 8 DWORDs */
89#define CTL_PKTP_16 (2 << 2) /* 16 DWORDs */
90#define CTL_ACAP_EN (1 << 4) /* enable audio capture */
91#define CTL_DA_APP (1 << 5) /* GPIO input */
92#define CTL_DA_IOM_AFE (0 << 6) /* audio A/D input */
93#define CTL_DA_IOM_DA (1 << 6) /* digital audio input */
94#define CTL_DA_SDR_SHIFT 8 /* DDF first stage decimation rate */
95#define CTL_DA_SDR_MASK (0xf<< 8)
96#define CTL_DA_LMT (1 << 12) /* limit audio data values */
97#define CTL_DA_ES2 (1 << 13) /* enable DDF stage 2 */
98#define CTL_DA_SBR (1 << 14) /* samples rounded to 8 bits */
99#define CTL_DA_DPM (1 << 15) /* data packet mode */
100#define CTL_DA_LRD_SHIFT 16 /* ALRCK delay */
101#define CTL_DA_MLB (1 << 21) /* MSB/LSB format */
102#define CTL_DA_LRI (1 << 22) /* left/right indication */
103#define CTL_DA_SCE (1 << 23) /* sample clock edge */
104#define CTL_A_SEL_STV (0 << 24) /* TV tuner audio input */
105#define CTL_A_SEL_SFM (1 << 24) /* FM audio input */
106#define CTL_A_SEL_SML (2 << 24) /* mic/line audio input */
107#define CTL_A_SEL_SMXC (3 << 24) /* MUX bypass */
108#define CTL_A_SEL_SHIFT 24
109#define CTL_A_SEL_MASK (3 << 24)
110#define CTL_A_PWRDN (1 << 26) /* analog audio power-down */
111#define CTL_A_G2X (1 << 27) /* audio gain boost */
112#define CTL_A_GAIN_SHIFT 28 /* audio input gain */
113#define CTL_A_GAIN_MASK (0xf<<28)
114
115/* RISC instruction opcodes */
116#define RISC_WRITE (0x1 << 28) /* write FIFO data to memory at address */
117#define RISC_WRITEC (0x5 << 28) /* write FIFO data to memory at current address */
118#define RISC_SKIP (0x2 << 28) /* skip FIFO data */
119#define RISC_JUMP (0x7 << 28) /* jump to address */
120#define RISC_SYNC (0x8 << 28) /* synchronize with FIFO */
121
122/* RISC instruction bits */
123#define RISC_BYTES_ENABLE (0xf << 12) /* byte enable bits */
124#define RISC_RESYNC ( 1 << 15) /* disable FDSR errors */
125#define RISC_SET_STATUS_SHIFT 16 /* set status bits */
126#define RISC_RESET_STATUS_SHIFT 20 /* clear status bits */
127#define RISC_IRQ ( 1 << 24) /* interrupt */
128#define RISC_EOL ( 1 << 26) /* end of line */
129#define RISC_SOL ( 1 << 27) /* start of line */
130
131/* SYNC status bits values */
132#define RISC_SYNC_FM1 0x6
133#define RISC_SYNC_VRO 0xc
134
135#define ANALOG_CLOCK 1792000
136#ifdef CONFIG_SND_BT87X_OVERCLOCK
137#define CLOCK_DIV_MIN 1
138#else
139#define CLOCK_DIV_MIN 4
140#endif
141#define CLOCK_DIV_MAX 15
142
143#define ERROR_INTERRUPTS (INT_FBUS | INT_FTRGT | INT_PPERR | \
144 INT_RIPERR | INT_PABORT | INT_OCERR)
145#define MY_INTERRUPTS (INT_RISCI | ERROR_INTERRUPTS)
146
147/* SYNC, one WRITE per line, one extra WRITE per page boundary, SYNC, JUMP */
148#define MAX_RISC_SIZE ((1 + 255 + (PAGE_ALIGN(255 * 4092) / PAGE_SIZE - 1) + 1 + 1) * 8)
149
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150struct snd_bt87x {
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100151 struct snd_card *card;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152 struct pci_dev *pci;
153
154 void __iomem *mmio;
155 int irq;
156
157 int dig_rate;
158
159 spinlock_t reg_lock;
160 long opened;
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100161 struct snd_pcm_substream *substream;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162
163 struct snd_dma_buffer dma_risc;
164 unsigned int line_bytes;
165 unsigned int lines;
166
167 u32 reg_control;
168 u32 interrupt_mask;
169
170 int current_line;
171
172 int pci_parity_errors;
173};
174
175enum { DEVICE_DIGITAL, DEVICE_ANALOG };
176
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100177static inline u32 snd_bt87x_readl(struct snd_bt87x *chip, u32 reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178{
179 return readl(chip->mmio + reg);
180}
181
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100182static inline void snd_bt87x_writel(struct snd_bt87x *chip, u32 reg, u32 value)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183{
184 writel(value, chip->mmio + reg);
185}
186
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100187static int snd_bt87x_create_risc(struct snd_bt87x *chip, struct snd_pcm_substream *substream,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188 unsigned int periods, unsigned int period_bytes)
189{
190 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
191 unsigned int i, offset;
192 u32 *risc;
193
194 if (chip->dma_risc.area == NULL) {
195 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
196 PAGE_ALIGN(MAX_RISC_SIZE), &chip->dma_risc) < 0)
197 return -ENOMEM;
198 }
199 risc = (u32 *)chip->dma_risc.area;
200 offset = 0;
201 *risc++ = cpu_to_le32(RISC_SYNC | RISC_SYNC_FM1);
202 *risc++ = cpu_to_le32(0);
203 for (i = 0; i < periods; ++i) {
204 u32 rest;
205
206 rest = period_bytes;
207 do {
208 u32 cmd, len;
209
210 len = PAGE_SIZE - (offset % PAGE_SIZE);
211 if (len > rest)
212 len = rest;
213 cmd = RISC_WRITE | len;
214 if (rest == period_bytes) {
215 u32 block = i * 16 / periods;
216 cmd |= RISC_SOL;
217 cmd |= block << RISC_SET_STATUS_SHIFT;
218 cmd |= (~block & 0xf) << RISC_RESET_STATUS_SHIFT;
219 }
220 if (len == rest)
221 cmd |= RISC_EOL | RISC_IRQ;
222 *risc++ = cpu_to_le32(cmd);
223 *risc++ = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, offset));
224 offset += len;
225 rest -= len;
226 } while (rest > 0);
227 }
228 *risc++ = cpu_to_le32(RISC_SYNC | RISC_SYNC_VRO);
229 *risc++ = cpu_to_le32(0);
230 *risc++ = cpu_to_le32(RISC_JUMP);
231 *risc++ = cpu_to_le32(chip->dma_risc.addr);
232 chip->line_bytes = period_bytes;
233 chip->lines = periods;
234 return 0;
235}
236
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100237static void snd_bt87x_free_risc(struct snd_bt87x *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700238{
239 if (chip->dma_risc.area) {
240 snd_dma_free_pages(&chip->dma_risc);
241 chip->dma_risc.area = NULL;
242 }
243}
244
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100245static void snd_bt87x_pci_error(struct snd_bt87x *chip, unsigned int status)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246{
247 u16 pci_status;
248
249 pci_read_config_word(chip->pci, PCI_STATUS, &pci_status);
250 pci_status &= PCI_STATUS_PARITY | PCI_STATUS_SIG_TARGET_ABORT |
251 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_REC_MASTER_ABORT |
252 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY;
253 pci_write_config_word(chip->pci, PCI_STATUS, pci_status);
254 if (pci_status != PCI_STATUS_DETECTED_PARITY)
255 snd_printk(KERN_ERR "Aieee - PCI error! status %#08x, PCI status %#04x\n",
256 status & ERROR_INTERRUPTS, pci_status);
257 else {
258 snd_printk(KERN_ERR "Aieee - PCI parity error detected!\n");
259 /* error 'handling' similar to aic7xxx_pci.c: */
260 chip->pci_parity_errors++;
261 if (chip->pci_parity_errors > 20) {
262 snd_printk(KERN_ERR "Too many PCI parity errors observed.\n");
263 snd_printk(KERN_ERR "Some device on this bus is generating bad parity.\n");
264 snd_printk(KERN_ERR "This is an error *observed by*, not *generated by*, this card.\n");
265 snd_printk(KERN_ERR "PCI parity error checking has been disabled.\n");
266 chip->interrupt_mask &= ~(INT_PPERR | INT_RIPERR);
267 snd_bt87x_writel(chip, REG_INT_MASK, chip->interrupt_mask);
268 }
269 }
270}
271
272static irqreturn_t snd_bt87x_interrupt(int irq, void *dev_id, struct pt_regs *regs)
273{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100274 struct snd_bt87x *chip = dev_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275 unsigned int status, irq_status;
276
277 status = snd_bt87x_readl(chip, REG_INT_STAT);
278 irq_status = status & chip->interrupt_mask;
279 if (!irq_status)
280 return IRQ_NONE;
281 snd_bt87x_writel(chip, REG_INT_STAT, irq_status);
282
283 if (irq_status & ERROR_INTERRUPTS) {
284 if (irq_status & (INT_FBUS | INT_FTRGT))
285 snd_printk(KERN_WARNING "FIFO overrun, status %#08x\n", status);
286 if (irq_status & INT_OCERR)
287 snd_printk(KERN_ERR "internal RISC error, status %#08x\n", status);
288 if (irq_status & (INT_PPERR | INT_RIPERR | INT_PABORT))
289 snd_bt87x_pci_error(chip, irq_status);
290 }
291 if ((irq_status & INT_RISCI) && (chip->reg_control & CTL_ACAP_EN)) {
292 int current_block, irq_block;
293
294 /* assume that exactly one line has been recorded */
295 chip->current_line = (chip->current_line + 1) % chip->lines;
296 /* but check if some interrupts have been skipped */
297 current_block = chip->current_line * 16 / chip->lines;
298 irq_block = status >> INT_RISCS_SHIFT;
299 if (current_block != irq_block)
300 chip->current_line = (irq_block * chip->lines + 15) / 16;
301
302 snd_pcm_period_elapsed(chip->substream);
303 }
304 return IRQ_HANDLED;
305}
306
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100307static struct snd_pcm_hardware snd_bt87x_digital_hw = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700308 .info = SNDRV_PCM_INFO_MMAP |
309 SNDRV_PCM_INFO_INTERLEAVED |
310 SNDRV_PCM_INFO_BLOCK_TRANSFER |
311 SNDRV_PCM_INFO_MMAP_VALID,
312 .formats = SNDRV_PCM_FMTBIT_S16_LE,
313 .rates = 0, /* set at runtime */
314 .channels_min = 2,
315 .channels_max = 2,
316 .buffer_bytes_max = 255 * 4092,
317 .period_bytes_min = 32,
318 .period_bytes_max = 4092,
319 .periods_min = 2,
320 .periods_max = 255,
321};
322
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100323static struct snd_pcm_hardware snd_bt87x_analog_hw = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700324 .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 | SNDRV_PCM_FMTBIT_S8,
329 .rates = SNDRV_PCM_RATE_KNOT,
330 .rate_min = ANALOG_CLOCK / CLOCK_DIV_MAX,
331 .rate_max = ANALOG_CLOCK / CLOCK_DIV_MIN,
332 .channels_min = 1,
333 .channels_max = 1,
334 .buffer_bytes_max = 255 * 4092,
335 .period_bytes_min = 32,
336 .period_bytes_max = 4092,
337 .periods_min = 2,
338 .periods_max = 255,
339};
340
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100341static int snd_bt87x_set_digital_hw(struct snd_bt87x *chip, struct snd_pcm_runtime *runtime)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700342{
343 static struct {
344 int rate;
345 unsigned int bit;
346 } ratebits[] = {
347 {8000, SNDRV_PCM_RATE_8000},
348 {11025, SNDRV_PCM_RATE_11025},
349 {16000, SNDRV_PCM_RATE_16000},
350 {22050, SNDRV_PCM_RATE_22050},
351 {32000, SNDRV_PCM_RATE_32000},
352 {44100, SNDRV_PCM_RATE_44100},
353 {48000, SNDRV_PCM_RATE_48000}
354 };
355 int i;
356
357 chip->reg_control |= CTL_DA_IOM_DA;
358 runtime->hw = snd_bt87x_digital_hw;
359 runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
360 for (i = 0; i < ARRAY_SIZE(ratebits); ++i)
361 if (chip->dig_rate == ratebits[i].rate) {
362 runtime->hw.rates = ratebits[i].bit;
363 break;
364 }
365 runtime->hw.rate_min = chip->dig_rate;
366 runtime->hw.rate_max = chip->dig_rate;
367 return 0;
368}
369
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100370static int snd_bt87x_set_analog_hw(struct snd_bt87x *chip, struct snd_pcm_runtime *runtime)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700371{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100372 static struct snd_ratnum analog_clock = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373 .num = ANALOG_CLOCK,
374 .den_min = CLOCK_DIV_MIN,
375 .den_max = CLOCK_DIV_MAX,
376 .den_step = 1
377 };
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100378 static struct snd_pcm_hw_constraint_ratnums constraint_rates = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700379 .nrats = 1,
380 .rats = &analog_clock
381 };
382
383 chip->reg_control &= ~CTL_DA_IOM_DA;
384 runtime->hw = snd_bt87x_analog_hw;
385 return snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
386 &constraint_rates);
387}
388
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100389static int snd_bt87x_pcm_open(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100391 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
392 struct snd_pcm_runtime *runtime = substream->runtime;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700393 int err;
394
395 if (test_and_set_bit(0, &chip->opened))
396 return -EBUSY;
397
398 if (substream->pcm->device == DEVICE_DIGITAL)
399 err = snd_bt87x_set_digital_hw(chip, runtime);
400 else
401 err = snd_bt87x_set_analog_hw(chip, runtime);
402 if (err < 0)
403 goto _error;
404
405 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
406 if (err < 0)
407 goto _error;
408
409 chip->substream = substream;
410 return 0;
411
412_error:
413 clear_bit(0, &chip->opened);
414 smp_mb__after_clear_bit();
415 return err;
416}
417
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100418static int snd_bt87x_close(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700419{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100420 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421
422 chip->substream = NULL;
423 clear_bit(0, &chip->opened);
424 smp_mb__after_clear_bit();
425 return 0;
426}
427
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100428static int snd_bt87x_hw_params(struct snd_pcm_substream *substream,
429 struct snd_pcm_hw_params *hw_params)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700430{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100431 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700432 int err;
433
434 err = snd_pcm_lib_malloc_pages(substream,
435 params_buffer_bytes(hw_params));
436 if (err < 0)
437 return err;
438 return snd_bt87x_create_risc(chip, substream,
439 params_periods(hw_params),
440 params_period_bytes(hw_params));
441}
442
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100443static int snd_bt87x_hw_free(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700444{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100445 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700446
447 snd_bt87x_free_risc(chip);
448 snd_pcm_lib_free_pages(substream);
449 return 0;
450}
451
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100452static int snd_bt87x_prepare(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700453{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100454 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
455 struct snd_pcm_runtime *runtime = substream->runtime;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700456 int decimation;
457
458 spin_lock_irq(&chip->reg_lock);
459 chip->reg_control &= ~(CTL_DA_SDR_MASK | CTL_DA_SBR);
460 decimation = (ANALOG_CLOCK + runtime->rate / 4) / runtime->rate;
461 chip->reg_control |= decimation << CTL_DA_SDR_SHIFT;
462 if (runtime->format == SNDRV_PCM_FORMAT_S8)
463 chip->reg_control |= CTL_DA_SBR;
464 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
465 spin_unlock_irq(&chip->reg_lock);
466 return 0;
467}
468
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100469static int snd_bt87x_start(struct snd_bt87x *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700470{
471 spin_lock(&chip->reg_lock);
472 chip->current_line = 0;
473 chip->reg_control |= CTL_FIFO_ENABLE | CTL_RISC_ENABLE | CTL_ACAP_EN;
474 snd_bt87x_writel(chip, REG_RISC_STRT_ADD, chip->dma_risc.addr);
475 snd_bt87x_writel(chip, REG_PACKET_LEN,
476 chip->line_bytes | (chip->lines << 16));
477 snd_bt87x_writel(chip, REG_INT_MASK, chip->interrupt_mask);
478 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
479 spin_unlock(&chip->reg_lock);
480 return 0;
481}
482
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100483static int snd_bt87x_stop(struct snd_bt87x *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700484{
485 spin_lock(&chip->reg_lock);
486 chip->reg_control &= ~(CTL_FIFO_ENABLE | CTL_RISC_ENABLE | CTL_ACAP_EN);
487 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
488 snd_bt87x_writel(chip, REG_INT_MASK, 0);
489 snd_bt87x_writel(chip, REG_INT_STAT, MY_INTERRUPTS);
490 spin_unlock(&chip->reg_lock);
491 return 0;
492}
493
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100494static int snd_bt87x_trigger(struct snd_pcm_substream *substream, int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700495{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100496 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700497
498 switch (cmd) {
499 case SNDRV_PCM_TRIGGER_START:
500 return snd_bt87x_start(chip);
501 case SNDRV_PCM_TRIGGER_STOP:
502 return snd_bt87x_stop(chip);
503 default:
504 return -EINVAL;
505 }
506}
507
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100508static snd_pcm_uframes_t snd_bt87x_pointer(struct snd_pcm_substream *substream)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700509{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100510 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
511 struct snd_pcm_runtime *runtime = substream->runtime;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700512
513 return (snd_pcm_uframes_t)bytes_to_frames(runtime, chip->current_line * chip->line_bytes);
514}
515
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100516static struct snd_pcm_ops snd_bt87x_pcm_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700517 .open = snd_bt87x_pcm_open,
518 .close = snd_bt87x_close,
519 .ioctl = snd_pcm_lib_ioctl,
520 .hw_params = snd_bt87x_hw_params,
521 .hw_free = snd_bt87x_hw_free,
522 .prepare = snd_bt87x_prepare,
523 .trigger = snd_bt87x_trigger,
524 .pointer = snd_bt87x_pointer,
525 .page = snd_pcm_sgbuf_ops_page,
526};
527
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100528static int snd_bt87x_capture_volume_info(struct snd_kcontrol *kcontrol,
529 struct snd_ctl_elem_info *info)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700530{
531 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
532 info->count = 1;
533 info->value.integer.min = 0;
534 info->value.integer.max = 15;
535 return 0;
536}
537
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100538static int snd_bt87x_capture_volume_get(struct snd_kcontrol *kcontrol,
539 struct snd_ctl_elem_value *value)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700540{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100541 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542
543 value->value.integer.value[0] = (chip->reg_control & CTL_A_GAIN_MASK) >> CTL_A_GAIN_SHIFT;
544 return 0;
545}
546
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100547static int snd_bt87x_capture_volume_put(struct snd_kcontrol *kcontrol,
548 struct snd_ctl_elem_value *value)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700549{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100550 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700551 u32 old_control;
552 int changed;
553
554 spin_lock_irq(&chip->reg_lock);
555 old_control = chip->reg_control;
556 chip->reg_control = (chip->reg_control & ~CTL_A_GAIN_MASK)
557 | (value->value.integer.value[0] << CTL_A_GAIN_SHIFT);
558 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
559 changed = old_control != chip->reg_control;
560 spin_unlock_irq(&chip->reg_lock);
561 return changed;
562}
563
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100564static struct snd_kcontrol_new snd_bt87x_capture_volume = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700565 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
566 .name = "Capture Volume",
567 .info = snd_bt87x_capture_volume_info,
568 .get = snd_bt87x_capture_volume_get,
569 .put = snd_bt87x_capture_volume_put,
570};
571
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100572static int snd_bt87x_capture_boost_info(struct snd_kcontrol *kcontrol,
573 struct snd_ctl_elem_info *info)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700574{
575 info->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
576 info->count = 1;
577 info->value.integer.min = 0;
578 info->value.integer.max = 1;
579 return 0;
580}
581
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100582static int snd_bt87x_capture_boost_get(struct snd_kcontrol *kcontrol,
583 struct snd_ctl_elem_value *value)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700584{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100585 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700586
587 value->value.integer.value[0] = !! (chip->reg_control & CTL_A_G2X);
588 return 0;
589}
590
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100591static int snd_bt87x_capture_boost_put(struct snd_kcontrol *kcontrol,
592 struct snd_ctl_elem_value *value)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700593{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100594 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700595 u32 old_control;
596 int changed;
597
598 spin_lock_irq(&chip->reg_lock);
599 old_control = chip->reg_control;
600 chip->reg_control = (chip->reg_control & ~CTL_A_G2X)
601 | (value->value.integer.value[0] ? CTL_A_G2X : 0);
602 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
603 changed = chip->reg_control != old_control;
604 spin_unlock_irq(&chip->reg_lock);
605 return changed;
606}
607
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100608static struct snd_kcontrol_new snd_bt87x_capture_boost = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700609 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
610 .name = "Capture Boost",
611 .info = snd_bt87x_capture_boost_info,
612 .get = snd_bt87x_capture_boost_get,
613 .put = snd_bt87x_capture_boost_put,
614};
615
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100616static int snd_bt87x_capture_source_info(struct snd_kcontrol *kcontrol,
617 struct snd_ctl_elem_info *info)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618{
619 static char *texts[3] = {"TV Tuner", "FM", "Mic/Line"};
620
621 info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
622 info->count = 1;
623 info->value.enumerated.items = 3;
624 if (info->value.enumerated.item > 2)
625 info->value.enumerated.item = 2;
626 strcpy(info->value.enumerated.name, texts[info->value.enumerated.item]);
627 return 0;
628}
629
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100630static int snd_bt87x_capture_source_get(struct snd_kcontrol *kcontrol,
631 struct snd_ctl_elem_value *value)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700632{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100633 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700634
635 value->value.enumerated.item[0] = (chip->reg_control & CTL_A_SEL_MASK) >> CTL_A_SEL_SHIFT;
636 return 0;
637}
638
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100639static int snd_bt87x_capture_source_put(struct snd_kcontrol *kcontrol,
640 struct snd_ctl_elem_value *value)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700641{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100642 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700643 u32 old_control;
644 int changed;
645
646 spin_lock_irq(&chip->reg_lock);
647 old_control = chip->reg_control;
648 chip->reg_control = (chip->reg_control & ~CTL_A_SEL_MASK)
649 | (value->value.enumerated.item[0] << CTL_A_SEL_SHIFT);
650 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
651 changed = chip->reg_control != old_control;
652 spin_unlock_irq(&chip->reg_lock);
653 return changed;
654}
655
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100656static struct snd_kcontrol_new snd_bt87x_capture_source = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
658 .name = "Capture Source",
659 .info = snd_bt87x_capture_source_info,
660 .get = snd_bt87x_capture_source_get,
661 .put = snd_bt87x_capture_source_put,
662};
663
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100664static int snd_bt87x_free(struct snd_bt87x *chip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700665{
666 if (chip->mmio) {
667 snd_bt87x_stop(chip);
668 if (chip->irq >= 0)
669 synchronize_irq(chip->irq);
670
671 iounmap(chip->mmio);
672 }
673 if (chip->irq >= 0)
674 free_irq(chip->irq, chip);
675 pci_release_regions(chip->pci);
676 pci_disable_device(chip->pci);
677 kfree(chip);
678 return 0;
679}
680
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100681static int snd_bt87x_dev_free(struct snd_device *device)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700682{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100683 struct snd_bt87x *chip = device->device_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700684 return snd_bt87x_free(chip);
685}
686
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100687static int __devinit snd_bt87x_pcm(struct snd_bt87x *chip, int device, char *name)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700688{
689 int err;
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100690 struct snd_pcm *pcm;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700691
692 err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm);
693 if (err < 0)
694 return err;
695 pcm->private_data = chip;
696 strcpy(pcm->name, name);
697 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_bt87x_pcm_ops);
698 return snd_pcm_lib_preallocate_pages_for_all(pcm,
699 SNDRV_DMA_TYPE_DEV_SG,
700 snd_dma_pci_data(chip->pci),
701 128 * 1024,
702 (255 * 4092 + 1023) & ~1023);
703}
704
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100705static int __devinit snd_bt87x_create(struct snd_card *card,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700706 struct pci_dev *pci,
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100707 struct snd_bt87x **rchip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700708{
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100709 struct snd_bt87x *chip;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700710 int err;
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100711 static struct snd_device_ops ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700712 .dev_free = snd_bt87x_dev_free
713 };
714
715 *rchip = NULL;
716
717 err = pci_enable_device(pci);
718 if (err < 0)
719 return err;
720
Takashi Iwaie560d8d2005-09-09 14:21:46 +0200721 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700722 if (!chip) {
723 pci_disable_device(pci);
724 return -ENOMEM;
725 }
726 chip->card = card;
727 chip->pci = pci;
728 chip->irq = -1;
729 spin_lock_init(&chip->reg_lock);
730
731 if ((err = pci_request_regions(pci, "Bt87x audio")) < 0) {
732 kfree(chip);
733 pci_disable_device(pci);
734 return err;
735 }
736 chip->mmio = ioremap_nocache(pci_resource_start(pci, 0),
737 pci_resource_len(pci, 0));
738 if (!chip->mmio) {
739 snd_bt87x_free(chip);
740 snd_printk(KERN_ERR "cannot remap io memory\n");
741 return -ENOMEM;
742 }
743
744 chip->reg_control = CTL_DA_ES2 | CTL_PKTP_16 | (15 << CTL_DA_SDR_SHIFT);
745 chip->interrupt_mask = MY_INTERRUPTS;
746 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
747 snd_bt87x_writel(chip, REG_INT_MASK, 0);
748 snd_bt87x_writel(chip, REG_INT_STAT, MY_INTERRUPTS);
749
Thomas Gleixner65ca68b2006-07-01 19:29:46 -0700750 if (request_irq(pci->irq, snd_bt87x_interrupt, IRQF_DISABLED | IRQF_SHARED,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700751 "Bt87x audio", chip)) {
752 snd_bt87x_free(chip);
753 snd_printk(KERN_ERR "cannot grab irq\n");
754 return -EBUSY;
755 }
756 chip->irq = pci->irq;
757 pci_set_master(pci);
758 synchronize_irq(chip->irq);
759
760 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
761 if (err < 0) {
762 snd_bt87x_free(chip);
763 return err;
764 }
765 snd_card_set_dev(card, &pci->dev);
766 *rchip = chip;
767 return 0;
768}
769
770#define BT_DEVICE(chip, subvend, subdev, rate) \
771 { .vendor = PCI_VENDOR_ID_BROOKTREE, \
Grant Coady41538122005-09-29 10:40:52 +1000772 .device = chip, \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700773 .subvendor = subvend, .subdevice = subdev, \
774 .driver_data = rate }
775
776/* driver_data is the default digital_rate value for that device */
Takashi Iwaif40b6892006-07-05 16:51:05 +0200777static struct pci_device_id snd_bt87x_ids[] = {
Grant Coady41538122005-09-29 10:40:52 +1000778 /* Hauppauge WinTV series */
779 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0x13eb, 32000),
780 /* Hauppauge WinTV series */
781 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_879, 0x0070, 0x13eb, 32000),
782 /* Viewcast Osprey 200 */
783 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0xff01, 44100),
Jaroslav Kyselaabf58f02006-02-08 09:10:36 +0100784 /* Leadtek Winfast tv 2000xp delux */
785 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x107d, 0x6606, 32000),
Clemens Ladisch29463df2006-06-01 08:33:48 +0200786 /* Voodoo TV 200 */
787 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x121a, 0x3000, 32000),
788 /* AVerMedia Studio No. 103, 203, ...? */
789 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x1461, 0x0003, 48000),
Linus Torvalds1da177e2005-04-16 15:20:36 -0700790 { }
791};
792MODULE_DEVICE_TABLE(pci, snd_bt87x_ids);
793
794/* cards known not to have audio
795 * (DVB cards use the audio function to transfer MPEG data) */
796static struct {
797 unsigned short subvendor, subdevice;
798} blacklist[] __devinitdata = {
799 {0x0071, 0x0101}, /* Nebula Electronics DigiTV */
Clemens Ladisch0110f502006-03-13 10:36:44 +0100800 {0x11bd, 0x001c}, /* Pinnacle PCTV Sat */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700801 {0x11bd, 0x0026}, /* Pinnacle PCTV SAT CI */
802 {0x1461, 0x0761}, /* AVermedia AverTV DVB-T */
803 {0x1461, 0x0771}, /* AVermedia DVB-T 771 */
804 {0x1822, 0x0001}, /* Twinhan VisionPlus DVB-T */
Clemens Ladisch0110f502006-03-13 10:36:44 +0100805 {0x18ac, 0xd500}, /* DVICO FusionHDTV 5 Lite */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700806 {0x18ac, 0xdb10}, /* DVICO FusionHDTV DVB-T Lite */
807 {0x270f, 0xfc00}, /* Chaintech Digitop DST-1000 DVB-S */
Clemens Ladisch0110f502006-03-13 10:36:44 +0100808 {0x7063, 0x2000}, /* pcHDTV HD-2000 TV */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700809};
810
Greg KHb4634482005-07-06 08:51:03 -0700811static struct pci_driver driver;
812
Linus Torvalds1da177e2005-04-16 15:20:36 -0700813/* return the rate of the card, or a negative value if it's blacklisted */
814static int __devinit snd_bt87x_detect_card(struct pci_dev *pci)
815{
816 int i;
817 const struct pci_device_id *supported;
818
Dave Jones159f597a2005-07-06 15:29:09 -0400819 supported = pci_match_device(&driver, pci);
Jaroslav Kysela54c63cf2006-01-12 07:56:40 +0100820 if (supported && supported->driver_data > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700821 return supported->driver_data;
822
823 for (i = 0; i < ARRAY_SIZE(blacklist); ++i)
824 if (blacklist[i].subvendor == pci->subsystem_vendor &&
825 blacklist[i].subdevice == pci->subsystem_device) {
Jaroslav Kyselaabf58f02006-02-08 09:10:36 +0100826 snd_printdd(KERN_INFO "card %#04x-%#04x:%#04x has no audio\n",
827 pci->device, pci->subsystem_vendor, pci->subsystem_device);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700828 return -EBUSY;
829 }
830
Jaroslav Kyselaabf58f02006-02-08 09:10:36 +0100831 snd_printk(KERN_INFO "unknown card %#04x-%#04x:%#04x, using default rate 32000\n",
832 pci->device, pci->subsystem_vendor, pci->subsystem_device);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700833 snd_printk(KERN_DEBUG "please mail id, board name, and, "
834 "if it works, the correct digital_rate option to "
835 "<alsa-devel@lists.sf.net>\n");
836 return 32000; /* default rate */
837}
838
839static int __devinit snd_bt87x_probe(struct pci_dev *pci,
840 const struct pci_device_id *pci_id)
841{
842 static int dev;
Takashi Iwai9f362dc2005-11-17 15:02:58 +0100843 struct snd_card *card;
844 struct snd_bt87x *chip;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700845 int err, rate;
846
847 rate = pci_id->driver_data;
848 if (! rate)
849 if ((rate = snd_bt87x_detect_card(pci)) <= 0)
850 return -ENODEV;
851
852 if (dev >= SNDRV_CARDS)
853 return -ENODEV;
854 if (!enable[dev]) {
855 ++dev;
856 return -ENOENT;
857 }
858
859 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
860 if (!card)
861 return -ENOMEM;
862
863 err = snd_bt87x_create(card, pci, &chip);
864 if (err < 0)
865 goto _error;
866
867 if (digital_rate[dev] > 0)
868 chip->dig_rate = digital_rate[dev];
869 else
870 chip->dig_rate = rate;
871
872 err = snd_bt87x_pcm(chip, DEVICE_DIGITAL, "Bt87x Digital");
873 if (err < 0)
874 goto _error;
875 err = snd_bt87x_pcm(chip, DEVICE_ANALOG, "Bt87x Analog");
876 if (err < 0)
877 goto _error;
878
879 err = snd_ctl_add(card, snd_ctl_new1(&snd_bt87x_capture_volume, chip));
880 if (err < 0)
881 goto _error;
882 err = snd_ctl_add(card, snd_ctl_new1(&snd_bt87x_capture_boost, chip));
883 if (err < 0)
884 goto _error;
885 err = snd_ctl_add(card, snd_ctl_new1(&snd_bt87x_capture_source, chip));
886 if (err < 0)
887 goto _error;
888
889 strcpy(card->driver, "Bt87x");
890 sprintf(card->shortname, "Brooktree Bt%x", pci->device);
Greg Kroah-Hartmanaa0a2dd2006-06-12 14:50:27 -0700891 sprintf(card->longname, "%s at %#llx, irq %i",
892 card->shortname, (unsigned long long)pci_resource_start(pci, 0),
893 chip->irq);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700894 strcpy(card->mixername, "Bt87x");
895
896 err = snd_card_register(card);
897 if (err < 0)
898 goto _error;
899
900 pci_set_drvdata(pci, card);
901 ++dev;
902 return 0;
903
904_error:
905 snd_card_free(card);
906 return err;
907}
908
909static void __devexit snd_bt87x_remove(struct pci_dev *pci)
910{
911 snd_card_free(pci_get_drvdata(pci));
912 pci_set_drvdata(pci, NULL);
913}
914
915/* default entries for all Bt87x cards - it's not exported */
916/* driver_data is set to 0 to call detection */
Henrik Kretzschmar396c9b92006-04-24 15:59:04 +0200917static struct pci_device_id snd_bt87x_default_ids[] __devinitdata = {
Grant Coady26205e02005-11-06 10:52:51 +1100918 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, PCI_ANY_ID, PCI_ANY_ID, 0),
919 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_879, PCI_ANY_ID, PCI_ANY_ID, 0),
Linus Torvalds1da177e2005-04-16 15:20:36 -0700920 { }
921};
922
923static struct pci_driver driver = {
924 .name = "Bt87x",
925 .id_table = snd_bt87x_ids,
926 .probe = snd_bt87x_probe,
927 .remove = __devexit_p(snd_bt87x_remove),
928};
929
930static int __init alsa_card_bt87x_init(void)
931{
932 if (load_all)
933 driver.id_table = snd_bt87x_default_ids;
Takashi Iwai01d25d42005-04-11 16:58:24 +0200934 return pci_register_driver(&driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700935}
936
937static void __exit alsa_card_bt87x_exit(void)
938{
939 pci_unregister_driver(&driver);
940}
941
942module_init(alsa_card_bt87x_init)
943module_exit(alsa_card_bt87x_exit)