2 * bt87x.c - Brooktree Bt878/Bt879 driver for ALSA
4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
6 * based on btaudio.c by Gerd Knorr <kraxel@bytesex.org>
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.
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.
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
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>
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>
38 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
39 MODULE_DESCRIPTION("Brooktree Bt87x audio driver");
40 MODULE_LICENSE("GPL");
41 MODULE_SUPPORTED_DEVICE("{{Brooktree,Bt878},"
42 "{Brooktree,Bt879}}");
44 static int index[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -2}; /* Exclude the first card */
45 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
46 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
47 static int digital_rate[SNDRV_CARDS]; /* digital input rate */
48 static int load_all; /* allow to load the non-whitelisted cards */
50 module_param_array(index, int, NULL, 0444);
51 MODULE_PARM_DESC(index, "Index value for Bt87x soundcard");
52 module_param_array(id, charp, NULL, 0444);
53 MODULE_PARM_DESC(id, "ID string for Bt87x soundcard");
54 module_param_array(enable, bool, NULL, 0444);
55 MODULE_PARM_DESC(enable, "Enable Bt87x soundcard");
56 module_param_array(digital_rate, int, NULL, 0444);
57 MODULE_PARM_DESC(digital_rate, "Digital input rate for Bt87x soundcard");
58 module_param(load_all, bool, 0444);
59 MODULE_PARM_DESC(load_all, "Allow to load the non-whitelisted cards");
62 /* 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 */
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 */
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)
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 */
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 */
131 /* SYNC status bits values */
132 #define RISC_SYNC_FM1 0x6
133 #define RISC_SYNC_VRO 0xc
135 #define ANALOG_CLOCK 1792000
136 #ifdef CONFIG_SND_BT87X_OVERCLOCK
137 #define CLOCK_DIV_MIN 1
139 #define CLOCK_DIV_MIN 4
141 #define CLOCK_DIV_MAX 15
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)
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)
150 /* Cards with configuration information */
151 enum snd_bt87x_boardid {
152 SND_BT87X_BOARD_GENERIC, /* both an & dig interfaces, 32kHz */
153 SND_BT87X_BOARD_ANALOG, /* board with no external A/D */
154 SND_BT87X_BOARD_OSPREY2x0,
155 SND_BT87X_BOARD_OSPREY440,
156 SND_BT87X_BOARD_AVPHONE98,
159 /* Card configuration */
160 struct snd_bt87x_board {
161 int dig_rate; /* Digital input sampling rate */
162 u32 digital_fmt; /* Register settings for digital input */
163 unsigned no_analog:1; /* No analog input */
164 unsigned no_digital:1; /* No digital input */
167 static const __devinitdata struct snd_bt87x_board snd_bt87x_boards[] = {
168 [SND_BT87X_BOARD_GENERIC] = {
171 [SND_BT87X_BOARD_ANALOG] = {
174 [SND_BT87X_BOARD_OSPREY2x0] = {
176 .digital_fmt = CTL_DA_LRI | (1 << CTL_DA_LRD_SHIFT),
178 [SND_BT87X_BOARD_OSPREY440] = {
180 .digital_fmt = CTL_DA_LRI | (1 << CTL_DA_LRD_SHIFT),
183 [SND_BT87X_BOARD_AVPHONE98] = {
189 struct snd_card *card;
191 struct snd_bt87x_board board;
197 unsigned long opened;
198 struct snd_pcm_substream *substream;
200 struct snd_dma_buffer dma_risc;
201 unsigned int line_bytes;
209 int pci_parity_errors;
212 enum { DEVICE_DIGITAL, DEVICE_ANALOG };
214 static inline u32 snd_bt87x_readl(struct snd_bt87x *chip, u32 reg)
216 return readl(chip->mmio + reg);
219 static inline void snd_bt87x_writel(struct snd_bt87x *chip, u32 reg, u32 value)
221 writel(value, chip->mmio + reg);
224 static int snd_bt87x_create_risc(struct snd_bt87x *chip, struct snd_pcm_substream *substream,
225 unsigned int periods, unsigned int period_bytes)
227 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
228 unsigned int i, offset;
231 if (chip->dma_risc.area == NULL) {
232 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
233 PAGE_ALIGN(MAX_RISC_SIZE), &chip->dma_risc) < 0)
236 risc = (u32 *)chip->dma_risc.area;
238 *risc++ = cpu_to_le32(RISC_SYNC | RISC_SYNC_FM1);
239 *risc++ = cpu_to_le32(0);
240 for (i = 0; i < periods; ++i) {
247 len = PAGE_SIZE - (offset % PAGE_SIZE);
250 cmd = RISC_WRITE | len;
251 if (rest == period_bytes) {
252 u32 block = i * 16 / periods;
254 cmd |= block << RISC_SET_STATUS_SHIFT;
255 cmd |= (~block & 0xf) << RISC_RESET_STATUS_SHIFT;
258 cmd |= RISC_EOL | RISC_IRQ;
259 *risc++ = cpu_to_le32(cmd);
260 *risc++ = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, offset));
265 *risc++ = cpu_to_le32(RISC_SYNC | RISC_SYNC_VRO);
266 *risc++ = cpu_to_le32(0);
267 *risc++ = cpu_to_le32(RISC_JUMP);
268 *risc++ = cpu_to_le32(chip->dma_risc.addr);
269 chip->line_bytes = period_bytes;
270 chip->lines = periods;
274 static void snd_bt87x_free_risc(struct snd_bt87x *chip)
276 if (chip->dma_risc.area) {
277 snd_dma_free_pages(&chip->dma_risc);
278 chip->dma_risc.area = NULL;
282 static void snd_bt87x_pci_error(struct snd_bt87x *chip, unsigned int status)
286 pci_read_config_word(chip->pci, PCI_STATUS, &pci_status);
287 pci_status &= PCI_STATUS_PARITY | PCI_STATUS_SIG_TARGET_ABORT |
288 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_REC_MASTER_ABORT |
289 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY;
290 pci_write_config_word(chip->pci, PCI_STATUS, pci_status);
291 if (pci_status != PCI_STATUS_DETECTED_PARITY)
292 snd_printk(KERN_ERR "Aieee - PCI error! status %#08x, PCI status %#04x\n",
293 status & ERROR_INTERRUPTS, pci_status);
295 snd_printk(KERN_ERR "Aieee - PCI parity error detected!\n");
296 /* error 'handling' similar to aic7xxx_pci.c: */
297 chip->pci_parity_errors++;
298 if (chip->pci_parity_errors > 20) {
299 snd_printk(KERN_ERR "Too many PCI parity errors observed.\n");
300 snd_printk(KERN_ERR "Some device on this bus is generating bad parity.\n");
301 snd_printk(KERN_ERR "This is an error *observed by*, not *generated by*, this card.\n");
302 snd_printk(KERN_ERR "PCI parity error checking has been disabled.\n");
303 chip->interrupt_mask &= ~(INT_PPERR | INT_RIPERR);
304 snd_bt87x_writel(chip, REG_INT_MASK, chip->interrupt_mask);
309 static irqreturn_t snd_bt87x_interrupt(int irq, void *dev_id)
311 struct snd_bt87x *chip = dev_id;
312 unsigned int status, irq_status;
314 status = snd_bt87x_readl(chip, REG_INT_STAT);
315 irq_status = status & chip->interrupt_mask;
318 snd_bt87x_writel(chip, REG_INT_STAT, irq_status);
320 if (irq_status & ERROR_INTERRUPTS) {
321 if (irq_status & (INT_FBUS | INT_FTRGT))
322 snd_printk(KERN_WARNING "FIFO overrun, status %#08x\n", status);
323 if (irq_status & INT_OCERR)
324 snd_printk(KERN_ERR "internal RISC error, status %#08x\n", status);
325 if (irq_status & (INT_PPERR | INT_RIPERR | INT_PABORT))
326 snd_bt87x_pci_error(chip, irq_status);
328 if ((irq_status & INT_RISCI) && (chip->reg_control & CTL_ACAP_EN)) {
329 int current_block, irq_block;
331 /* assume that exactly one line has been recorded */
332 chip->current_line = (chip->current_line + 1) % chip->lines;
333 /* but check if some interrupts have been skipped */
334 current_block = chip->current_line * 16 / chip->lines;
335 irq_block = status >> INT_RISCS_SHIFT;
336 if (current_block != irq_block)
337 chip->current_line = (irq_block * chip->lines + 15) / 16;
339 snd_pcm_period_elapsed(chip->substream);
344 static struct snd_pcm_hardware snd_bt87x_digital_hw = {
345 .info = SNDRV_PCM_INFO_MMAP |
346 SNDRV_PCM_INFO_INTERLEAVED |
347 SNDRV_PCM_INFO_BLOCK_TRANSFER |
348 SNDRV_PCM_INFO_MMAP_VALID,
349 .formats = SNDRV_PCM_FMTBIT_S16_LE,
350 .rates = 0, /* set at runtime */
353 .buffer_bytes_max = 255 * 4092,
354 .period_bytes_min = 32,
355 .period_bytes_max = 4092,
360 static struct snd_pcm_hardware snd_bt87x_analog_hw = {
361 .info = SNDRV_PCM_INFO_MMAP |
362 SNDRV_PCM_INFO_INTERLEAVED |
363 SNDRV_PCM_INFO_BLOCK_TRANSFER |
364 SNDRV_PCM_INFO_MMAP_VALID,
365 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8,
366 .rates = SNDRV_PCM_RATE_KNOT,
367 .rate_min = ANALOG_CLOCK / CLOCK_DIV_MAX,
368 .rate_max = ANALOG_CLOCK / CLOCK_DIV_MIN,
371 .buffer_bytes_max = 255 * 4092,
372 .period_bytes_min = 32,
373 .period_bytes_max = 4092,
378 static int snd_bt87x_set_digital_hw(struct snd_bt87x *chip, struct snd_pcm_runtime *runtime)
380 chip->reg_control |= CTL_DA_IOM_DA;
381 runtime->hw = snd_bt87x_digital_hw;
382 runtime->hw.rates = snd_pcm_rate_to_rate_bit(chip->board.dig_rate);
383 runtime->hw.rate_min = chip->board.dig_rate;
384 runtime->hw.rate_max = chip->board.dig_rate;
388 static int snd_bt87x_set_analog_hw(struct snd_bt87x *chip, struct snd_pcm_runtime *runtime)
390 static struct snd_ratnum analog_clock = {
392 .den_min = CLOCK_DIV_MIN,
393 .den_max = CLOCK_DIV_MAX,
396 static struct snd_pcm_hw_constraint_ratnums constraint_rates = {
398 .rats = &analog_clock
401 chip->reg_control &= ~CTL_DA_IOM_DA;
402 runtime->hw = snd_bt87x_analog_hw;
403 return snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
407 static int snd_bt87x_pcm_open(struct snd_pcm_substream *substream)
409 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
410 struct snd_pcm_runtime *runtime = substream->runtime;
413 if (test_and_set_bit(0, &chip->opened))
416 if (substream->pcm->device == DEVICE_DIGITAL)
417 err = snd_bt87x_set_digital_hw(chip, runtime);
419 err = snd_bt87x_set_analog_hw(chip, runtime);
423 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
427 chip->substream = substream;
431 clear_bit(0, &chip->opened);
432 smp_mb__after_clear_bit();
436 static int snd_bt87x_close(struct snd_pcm_substream *substream)
438 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
440 chip->substream = NULL;
441 clear_bit(0, &chip->opened);
442 smp_mb__after_clear_bit();
446 static int snd_bt87x_hw_params(struct snd_pcm_substream *substream,
447 struct snd_pcm_hw_params *hw_params)
449 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
452 err = snd_pcm_lib_malloc_pages(substream,
453 params_buffer_bytes(hw_params));
456 return snd_bt87x_create_risc(chip, substream,
457 params_periods(hw_params),
458 params_period_bytes(hw_params));
461 static int snd_bt87x_hw_free(struct snd_pcm_substream *substream)
463 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
465 snd_bt87x_free_risc(chip);
466 snd_pcm_lib_free_pages(substream);
470 static int snd_bt87x_prepare(struct snd_pcm_substream *substream)
472 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
473 struct snd_pcm_runtime *runtime = substream->runtime;
476 spin_lock_irq(&chip->reg_lock);
477 chip->reg_control &= ~(CTL_DA_SDR_MASK | CTL_DA_SBR);
478 decimation = (ANALOG_CLOCK + runtime->rate / 4) / runtime->rate;
479 chip->reg_control |= decimation << CTL_DA_SDR_SHIFT;
480 if (runtime->format == SNDRV_PCM_FORMAT_S8)
481 chip->reg_control |= CTL_DA_SBR;
482 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
483 spin_unlock_irq(&chip->reg_lock);
487 static int snd_bt87x_start(struct snd_bt87x *chip)
489 spin_lock(&chip->reg_lock);
490 chip->current_line = 0;
491 chip->reg_control |= CTL_FIFO_ENABLE | CTL_RISC_ENABLE | CTL_ACAP_EN;
492 snd_bt87x_writel(chip, REG_RISC_STRT_ADD, chip->dma_risc.addr);
493 snd_bt87x_writel(chip, REG_PACKET_LEN,
494 chip->line_bytes | (chip->lines << 16));
495 snd_bt87x_writel(chip, REG_INT_MASK, chip->interrupt_mask);
496 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
497 spin_unlock(&chip->reg_lock);
501 static int snd_bt87x_stop(struct snd_bt87x *chip)
503 spin_lock(&chip->reg_lock);
504 chip->reg_control &= ~(CTL_FIFO_ENABLE | CTL_RISC_ENABLE | CTL_ACAP_EN);
505 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
506 snd_bt87x_writel(chip, REG_INT_MASK, 0);
507 snd_bt87x_writel(chip, REG_INT_STAT, MY_INTERRUPTS);
508 spin_unlock(&chip->reg_lock);
512 static int snd_bt87x_trigger(struct snd_pcm_substream *substream, int cmd)
514 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
517 case SNDRV_PCM_TRIGGER_START:
518 return snd_bt87x_start(chip);
519 case SNDRV_PCM_TRIGGER_STOP:
520 return snd_bt87x_stop(chip);
526 static snd_pcm_uframes_t snd_bt87x_pointer(struct snd_pcm_substream *substream)
528 struct snd_bt87x *chip = snd_pcm_substream_chip(substream);
529 struct snd_pcm_runtime *runtime = substream->runtime;
531 return (snd_pcm_uframes_t)bytes_to_frames(runtime, chip->current_line * chip->line_bytes);
534 static struct snd_pcm_ops snd_bt87x_pcm_ops = {
535 .open = snd_bt87x_pcm_open,
536 .close = snd_bt87x_close,
537 .ioctl = snd_pcm_lib_ioctl,
538 .hw_params = snd_bt87x_hw_params,
539 .hw_free = snd_bt87x_hw_free,
540 .prepare = snd_bt87x_prepare,
541 .trigger = snd_bt87x_trigger,
542 .pointer = snd_bt87x_pointer,
543 .page = snd_pcm_sgbuf_ops_page,
546 static int snd_bt87x_capture_volume_info(struct snd_kcontrol *kcontrol,
547 struct snd_ctl_elem_info *info)
549 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
551 info->value.integer.min = 0;
552 info->value.integer.max = 15;
556 static int snd_bt87x_capture_volume_get(struct snd_kcontrol *kcontrol,
557 struct snd_ctl_elem_value *value)
559 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
561 value->value.integer.value[0] = (chip->reg_control & CTL_A_GAIN_MASK) >> CTL_A_GAIN_SHIFT;
565 static int snd_bt87x_capture_volume_put(struct snd_kcontrol *kcontrol,
566 struct snd_ctl_elem_value *value)
568 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
572 spin_lock_irq(&chip->reg_lock);
573 old_control = chip->reg_control;
574 chip->reg_control = (chip->reg_control & ~CTL_A_GAIN_MASK)
575 | (value->value.integer.value[0] << CTL_A_GAIN_SHIFT);
576 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
577 changed = old_control != chip->reg_control;
578 spin_unlock_irq(&chip->reg_lock);
582 static struct snd_kcontrol_new snd_bt87x_capture_volume = {
583 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
584 .name = "Capture Volume",
585 .info = snd_bt87x_capture_volume_info,
586 .get = snd_bt87x_capture_volume_get,
587 .put = snd_bt87x_capture_volume_put,
590 #define snd_bt87x_capture_boost_info snd_ctl_boolean_mono_info
592 static int snd_bt87x_capture_boost_get(struct snd_kcontrol *kcontrol,
593 struct snd_ctl_elem_value *value)
595 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
597 value->value.integer.value[0] = !! (chip->reg_control & CTL_A_G2X);
601 static int snd_bt87x_capture_boost_put(struct snd_kcontrol *kcontrol,
602 struct snd_ctl_elem_value *value)
604 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
608 spin_lock_irq(&chip->reg_lock);
609 old_control = chip->reg_control;
610 chip->reg_control = (chip->reg_control & ~CTL_A_G2X)
611 | (value->value.integer.value[0] ? CTL_A_G2X : 0);
612 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
613 changed = chip->reg_control != old_control;
614 spin_unlock_irq(&chip->reg_lock);
618 static struct snd_kcontrol_new snd_bt87x_capture_boost = {
619 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
620 .name = "Capture Boost",
621 .info = snd_bt87x_capture_boost_info,
622 .get = snd_bt87x_capture_boost_get,
623 .put = snd_bt87x_capture_boost_put,
626 static int snd_bt87x_capture_source_info(struct snd_kcontrol *kcontrol,
627 struct snd_ctl_elem_info *info)
629 static char *texts[3] = {"TV Tuner", "FM", "Mic/Line"};
631 info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
633 info->value.enumerated.items = 3;
634 if (info->value.enumerated.item > 2)
635 info->value.enumerated.item = 2;
636 strcpy(info->value.enumerated.name, texts[info->value.enumerated.item]);
640 static int snd_bt87x_capture_source_get(struct snd_kcontrol *kcontrol,
641 struct snd_ctl_elem_value *value)
643 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
645 value->value.enumerated.item[0] = (chip->reg_control & CTL_A_SEL_MASK) >> CTL_A_SEL_SHIFT;
649 static int snd_bt87x_capture_source_put(struct snd_kcontrol *kcontrol,
650 struct snd_ctl_elem_value *value)
652 struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);
656 spin_lock_irq(&chip->reg_lock);
657 old_control = chip->reg_control;
658 chip->reg_control = (chip->reg_control & ~CTL_A_SEL_MASK)
659 | (value->value.enumerated.item[0] << CTL_A_SEL_SHIFT);
660 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
661 changed = chip->reg_control != old_control;
662 spin_unlock_irq(&chip->reg_lock);
666 static struct snd_kcontrol_new snd_bt87x_capture_source = {
667 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
668 .name = "Capture Source",
669 .info = snd_bt87x_capture_source_info,
670 .get = snd_bt87x_capture_source_get,
671 .put = snd_bt87x_capture_source_put,
674 static int snd_bt87x_free(struct snd_bt87x *chip)
677 snd_bt87x_stop(chip);
679 synchronize_irq(chip->irq);
684 free_irq(chip->irq, chip);
685 pci_release_regions(chip->pci);
686 pci_disable_device(chip->pci);
691 static int snd_bt87x_dev_free(struct snd_device *device)
693 struct snd_bt87x *chip = device->device_data;
694 return snd_bt87x_free(chip);
697 static int __devinit snd_bt87x_pcm(struct snd_bt87x *chip, int device, char *name)
702 err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm);
705 pcm->private_data = chip;
706 strcpy(pcm->name, name);
707 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_bt87x_pcm_ops);
708 return snd_pcm_lib_preallocate_pages_for_all(pcm,
709 SNDRV_DMA_TYPE_DEV_SG,
710 snd_dma_pci_data(chip->pci),
712 ALIGN(255 * 4092, 1024));
715 static int __devinit snd_bt87x_create(struct snd_card *card,
717 struct snd_bt87x **rchip)
719 struct snd_bt87x *chip;
721 static struct snd_device_ops ops = {
722 .dev_free = snd_bt87x_dev_free
727 err = pci_enable_device(pci);
731 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
733 pci_disable_device(pci);
739 spin_lock_init(&chip->reg_lock);
741 if ((err = pci_request_regions(pci, "Bt87x audio")) < 0) {
743 pci_disable_device(pci);
746 chip->mmio = ioremap_nocache(pci_resource_start(pci, 0),
747 pci_resource_len(pci, 0));
749 snd_printk(KERN_ERR "cannot remap io memory\n");
754 chip->reg_control = CTL_DA_ES2 | CTL_PKTP_16 | (15 << CTL_DA_SDR_SHIFT);
755 chip->interrupt_mask = MY_INTERRUPTS;
756 snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);
757 snd_bt87x_writel(chip, REG_INT_MASK, 0);
758 snd_bt87x_writel(chip, REG_INT_STAT, MY_INTERRUPTS);
760 err = request_irq(pci->irq, snd_bt87x_interrupt, IRQF_SHARED,
761 "Bt87x audio", chip);
763 snd_printk(KERN_ERR "cannot grab irq %d\n", pci->irq);
766 chip->irq = pci->irq;
768 synchronize_irq(chip->irq);
770 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
774 snd_card_set_dev(card, &pci->dev);
779 snd_bt87x_free(chip);
783 #define BT_DEVICE(chip, subvend, subdev, id) \
784 { .vendor = PCI_VENDOR_ID_BROOKTREE, \
786 .subvendor = subvend, .subdevice = subdev, \
787 .driver_data = SND_BT87X_BOARD_ ## id }
788 /* driver_data is the card id for that device */
790 static struct pci_device_id snd_bt87x_ids[] = {
791 /* Hauppauge WinTV series */
792 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0x13eb, GENERIC),
793 /* Hauppauge WinTV series */
794 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_879, 0x0070, 0x13eb, GENERIC),
795 /* Viewcast Osprey 200 */
796 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0xff01, OSPREY2x0),
797 /* Viewcast Osprey 440 (rate is configurable via gpio) */
798 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0xff07, OSPREY440),
800 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x1002, 0x0001, GENERIC),
801 /* Leadtek Winfast tv 2000xp delux */
802 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x107d, 0x6606, GENERIC),
804 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x121a, 0x3000, GENERIC),
805 /* AVerMedia Studio No. 103, 203, ...? */
806 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x1461, 0x0003, AVPHONE98),
807 /* Prolink PixelView PV-M4900 */
808 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x1554, 0x4011, GENERIC),
809 /* Pinnacle Studio PCTV rave */
810 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0xbd11, 0x1200, GENERIC),
813 MODULE_DEVICE_TABLE(pci, snd_bt87x_ids);
815 /* cards known not to have audio
816 * (DVB cards use the audio function to transfer MPEG data) */
818 unsigned short subvendor, subdevice;
819 } blacklist[] __devinitdata = {
820 {0x0071, 0x0101}, /* Nebula Electronics DigiTV */
821 {0x11bd, 0x001c}, /* Pinnacle PCTV Sat */
822 {0x11bd, 0x0026}, /* Pinnacle PCTV SAT CI */
823 {0x1461, 0x0761}, /* AVermedia AverTV DVB-T */
824 {0x1461, 0x0771}, /* AVermedia DVB-T 771 */
825 {0x1822, 0x0001}, /* Twinhan VisionPlus DVB-T */
826 {0x18ac, 0xd500}, /* DVICO FusionHDTV 5 Lite */
827 {0x18ac, 0xdb10}, /* DVICO FusionHDTV DVB-T Lite */
828 {0x18ac, 0xdb11}, /* Ultraview DVB-T Lite */
829 {0x270f, 0xfc00}, /* Chaintech Digitop DST-1000 DVB-S */
830 {0x7063, 0x2000}, /* pcHDTV HD-2000 TV */
833 static struct pci_driver driver;
835 /* return the id of the card, or a negative value if it's blacklisted */
836 static int __devinit snd_bt87x_detect_card(struct pci_dev *pci)
839 const struct pci_device_id *supported;
841 supported = pci_match_device(&driver, pci);
842 if (supported && supported->driver_data > 0)
843 return supported->driver_data;
845 for (i = 0; i < ARRAY_SIZE(blacklist); ++i)
846 if (blacklist[i].subvendor == pci->subsystem_vendor &&
847 blacklist[i].subdevice == pci->subsystem_device) {
848 snd_printdd(KERN_INFO "card %#04x-%#04x:%#04x has no audio\n",
849 pci->device, pci->subsystem_vendor, pci->subsystem_device);
853 snd_printk(KERN_INFO "unknown card %#04x-%#04x:%#04x\n",
854 pci->device, pci->subsystem_vendor, pci->subsystem_device);
855 snd_printk(KERN_DEBUG "please mail id, board name, and, "
856 "if it works, the correct digital_rate option to "
857 "<alsa-devel@alsa-project.org>\n");
858 return SND_BT87X_BOARD_GENERIC;
861 static int __devinit snd_bt87x_probe(struct pci_dev *pci,
862 const struct pci_device_id *pci_id)
865 struct snd_card *card;
866 struct snd_bt87x *chip;
868 enum snd_bt87x_boardid boardid;
870 if (!pci_id->driver_data) {
871 err = snd_bt87x_detect_card(pci);
876 boardid = pci_id->driver_data;
878 if (dev >= SNDRV_CARDS)
885 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
889 err = snd_bt87x_create(card, pci, &chip);
893 memcpy(&chip->board, &snd_bt87x_boards[boardid], sizeof(chip->board));
895 if (!chip->board.no_digital) {
896 if (digital_rate[dev] > 0)
897 chip->board.dig_rate = digital_rate[dev];
899 chip->reg_control |= chip->board.digital_fmt;
901 err = snd_bt87x_pcm(chip, DEVICE_DIGITAL, "Bt87x Digital");
905 if (!chip->board.no_analog) {
906 err = snd_bt87x_pcm(chip, DEVICE_ANALOG, "Bt87x Analog");
909 err = snd_ctl_add(card, snd_ctl_new1(
910 &snd_bt87x_capture_volume, chip));
913 err = snd_ctl_add(card, snd_ctl_new1(
914 &snd_bt87x_capture_boost, chip));
917 err = snd_ctl_add(card, snd_ctl_new1(
918 &snd_bt87x_capture_source, chip));
922 snd_printk(KERN_INFO "bt87x%d: Using board %d, %sanalog, %sdigital "
923 "(rate %d Hz)\n", dev, boardid,
924 chip->board.no_analog ? "no " : "",
925 chip->board.no_digital ? "no " : "", chip->board.dig_rate);
927 strcpy(card->driver, "Bt87x");
928 sprintf(card->shortname, "Brooktree Bt%x", pci->device);
929 sprintf(card->longname, "%s at %#llx, irq %i",
930 card->shortname, (unsigned long long)pci_resource_start(pci, 0),
932 strcpy(card->mixername, "Bt87x");
934 err = snd_card_register(card);
938 pci_set_drvdata(pci, card);
947 static void __devexit snd_bt87x_remove(struct pci_dev *pci)
949 snd_card_free(pci_get_drvdata(pci));
950 pci_set_drvdata(pci, NULL);
953 /* default entries for all Bt87x cards - it's not exported */
954 /* driver_data is set to 0 to call detection */
955 static struct pci_device_id snd_bt87x_default_ids[] __devinitdata = {
956 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, PCI_ANY_ID, PCI_ANY_ID, GENERIC),
957 BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_879, PCI_ANY_ID, PCI_ANY_ID, GENERIC),
961 static struct pci_driver driver = {
963 .id_table = snd_bt87x_ids,
964 .probe = snd_bt87x_probe,
965 .remove = __devexit_p(snd_bt87x_remove),
968 static int __init alsa_card_bt87x_init(void)
971 driver.id_table = snd_bt87x_default_ids;
972 return pci_register_driver(&driver);
975 static void __exit alsa_card_bt87x_exit(void)
977 pci_unregister_driver(&driver);
980 module_init(alsa_card_bt87x_init)
981 module_exit(alsa_card_bt87x_exit)