217 static inline u32 snd_bt87x_readl(struct snd_bt87x *chip, u32 reg)  in snd_bt87x_readl()  argument
219 	return readl(chip->mmio + reg);  in snd_bt87x_readl()
222 static inline void snd_bt87x_writel(struct snd_bt87x *chip, u32 reg, u32 value)  in snd_bt87x_writel()  argument
224 	writel(value, chip->mmio + reg);  in snd_bt87x_writel()
227 static int snd_bt87x_create_risc(struct snd_bt87x *chip, struct snd_pcm_substream *substream,  in snd_bt87x_create_risc()  argument
233 	if (chip->dma_risc.area == NULL) {  in snd_bt87x_create_risc()
234 		if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),  in snd_bt87x_create_risc()
235 					PAGE_ALIGN(MAX_RISC_SIZE), &chip->dma_risc) < 0)  in snd_bt87x_create_risc()
238 	risc = (u32 *)chip->dma_risc.area;  in snd_bt87x_create_risc()
272 	*risc++ = cpu_to_le32(chip->dma_risc.addr);  in snd_bt87x_create_risc()
273 	chip->line_bytes = period_bytes;  in snd_bt87x_create_risc()
274 	chip->lines = periods;  in snd_bt87x_create_risc()
278 static void snd_bt87x_free_risc(struct snd_bt87x *chip)  in snd_bt87x_free_risc()  argument
280 	if (chip->dma_risc.area) {  in snd_bt87x_free_risc()
281 		snd_dma_free_pages(&chip->dma_risc);  in snd_bt87x_free_risc()
282 		chip->dma_risc.area = NULL;  in snd_bt87x_free_risc()
286 static void snd_bt87x_pci_error(struct snd_bt87x *chip, unsigned int status)  in snd_bt87x_pci_error()  argument
290 	pci_read_config_word(chip->pci, PCI_STATUS, &pci_status);  in snd_bt87x_pci_error()
294 	pci_write_config_word(chip->pci, PCI_STATUS, pci_status);  in snd_bt87x_pci_error()
296 		dev_err(chip->card->dev,  in snd_bt87x_pci_error()
300 		dev_err(chip->card->dev,  in snd_bt87x_pci_error()
303 		chip->pci_parity_errors++;  in snd_bt87x_pci_error()
304 		if (chip->pci_parity_errors > 20) {  in snd_bt87x_pci_error()
305 			dev_err(chip->card->dev,  in snd_bt87x_pci_error()
307 			dev_err(chip->card->dev,  in snd_bt87x_pci_error()
309 			dev_err(chip->card->dev,  in snd_bt87x_pci_error()
311 			dev_err(chip->card->dev,  in snd_bt87x_pci_error()
313 			chip->interrupt_mask &= ~(INT_PPERR | INT_RIPERR);  in snd_bt87x_pci_error()
314 			snd_bt87x_writel(chip, REG_INT_MASK, chip->interrupt_mask);  in snd_bt87x_pci_error()
321 	struct snd_bt87x *chip = dev_id;  in snd_bt87x_interrupt()  local
324 	status = snd_bt87x_readl(chip, REG_INT_STAT);  in snd_bt87x_interrupt()
325 	irq_status = status & chip->interrupt_mask;  in snd_bt87x_interrupt()
328 	snd_bt87x_writel(chip, REG_INT_STAT, irq_status);  in snd_bt87x_interrupt()
332 			dev_warn(chip->card->dev,  in snd_bt87x_interrupt()
335 			dev_err(chip->card->dev,  in snd_bt87x_interrupt()
338 			snd_bt87x_pci_error(chip, irq_status);  in snd_bt87x_interrupt()
340 	if ((irq_status & INT_RISCI) && (chip->reg_control & CTL_ACAP_EN)) {  in snd_bt87x_interrupt()
344 		chip->current_line = (chip->current_line + 1) % chip->lines;  in snd_bt87x_interrupt()
346 		current_block = chip->current_line * 16 / chip->lines;  in snd_bt87x_interrupt()
349 			chip->current_line = (irq_block * chip->lines + 15) / 16;  in snd_bt87x_interrupt()
351 		snd_pcm_period_elapsed(chip->substream);  in snd_bt87x_interrupt()
392 static int snd_bt87x_set_digital_hw(struct snd_bt87x *chip, struct snd_pcm_runtime *runtime)  in snd_bt87x_set_digital_hw()  argument
394 	chip->reg_control |= CTL_DA_IOM_DA | CTL_A_PWRDN;  in snd_bt87x_set_digital_hw()
396 	runtime->hw.rates = snd_pcm_rate_to_rate_bit(chip->board.dig_rate);  in snd_bt87x_set_digital_hw()
397 	runtime->hw.rate_min = chip->board.dig_rate;  in snd_bt87x_set_digital_hw()
398 	runtime->hw.rate_max = chip->board.dig_rate;  in snd_bt87x_set_digital_hw()
402 static int snd_bt87x_set_analog_hw(struct snd_bt87x *chip, struct snd_pcm_runtime *runtime)  in snd_bt87x_set_analog_hw()  argument
415 	chip->reg_control &= ~(CTL_DA_IOM_DA | CTL_A_PWRDN);  in snd_bt87x_set_analog_hw()
423 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_pcm_open()  local
427 	if (test_and_set_bit(0, &chip->opened))  in snd_bt87x_pcm_open()
431 		err = snd_bt87x_set_digital_hw(chip, runtime);  in snd_bt87x_pcm_open()
433 		err = snd_bt87x_set_analog_hw(chip, runtime);  in snd_bt87x_pcm_open()
441 	chip->substream = substream;  in snd_bt87x_pcm_open()
445 	clear_bit(0, &chip->opened);  in snd_bt87x_pcm_open()
452 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_close()  local
454 	spin_lock_irq(&chip->reg_lock);  in snd_bt87x_close()
455 	chip->reg_control |= CTL_A_PWRDN;  in snd_bt87x_close()
456 	snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);  in snd_bt87x_close()
457 	spin_unlock_irq(&chip->reg_lock);  in snd_bt87x_close()
459 	chip->substream = NULL;  in snd_bt87x_close()
460 	clear_bit(0, &chip->opened);  in snd_bt87x_close()
468 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_hw_params()  local
475 	return snd_bt87x_create_risc(chip, substream,  in snd_bt87x_hw_params()
482 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_hw_free()  local
484 	snd_bt87x_free_risc(chip);  in snd_bt87x_hw_free()
491 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_prepare()  local
495 	spin_lock_irq(&chip->reg_lock);  in snd_bt87x_prepare()
496 	chip->reg_control &= ~(CTL_DA_SDR_MASK | CTL_DA_SBR);  in snd_bt87x_prepare()
498 	chip->reg_control |= decimation << CTL_DA_SDR_SHIFT;  in snd_bt87x_prepare()
500 		chip->reg_control |= CTL_DA_SBR;  in snd_bt87x_prepare()
501 	snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);  in snd_bt87x_prepare()
502 	spin_unlock_irq(&chip->reg_lock);  in snd_bt87x_prepare()
506 static int snd_bt87x_start(struct snd_bt87x *chip)  in snd_bt87x_start()  argument
508 	spin_lock(&chip->reg_lock);  in snd_bt87x_start()
509 	chip->current_line = 0;  in snd_bt87x_start()
510 	chip->reg_control |= CTL_FIFO_ENABLE | CTL_RISC_ENABLE | CTL_ACAP_EN;  in snd_bt87x_start()
511 	snd_bt87x_writel(chip, REG_RISC_STRT_ADD, chip->dma_risc.addr);  in snd_bt87x_start()
512 	snd_bt87x_writel(chip, REG_PACKET_LEN,  in snd_bt87x_start()
513 			 chip->line_bytes | (chip->lines << 16));  in snd_bt87x_start()
514 	snd_bt87x_writel(chip, REG_INT_MASK, chip->interrupt_mask);  in snd_bt87x_start()
515 	snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);  in snd_bt87x_start()
516 	spin_unlock(&chip->reg_lock);  in snd_bt87x_start()
520 static int snd_bt87x_stop(struct snd_bt87x *chip)  in snd_bt87x_stop()  argument
522 	spin_lock(&chip->reg_lock);  in snd_bt87x_stop()
523 	chip->reg_control &= ~(CTL_FIFO_ENABLE | CTL_RISC_ENABLE | CTL_ACAP_EN);  in snd_bt87x_stop()
524 	snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);  in snd_bt87x_stop()
525 	snd_bt87x_writel(chip, REG_INT_MASK, 0);  in snd_bt87x_stop()
526 	snd_bt87x_writel(chip, REG_INT_STAT, MY_INTERRUPTS);  in snd_bt87x_stop()
527 	spin_unlock(&chip->reg_lock);  in snd_bt87x_stop()
533 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_trigger()  local
537 		return snd_bt87x_start(chip);  in snd_bt87x_trigger()
539 		return snd_bt87x_stop(chip);  in snd_bt87x_trigger()
547 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_pointer()  local
550 	return (snd_pcm_uframes_t)bytes_to_frames(runtime, chip->current_line * chip->line_bytes);  in snd_bt87x_pointer()
578 	struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);  in snd_bt87x_capture_volume_get()  local
580 	value->value.integer.value[0] = (chip->reg_control & CTL_A_GAIN_MASK) >> CTL_A_GAIN_SHIFT;  in snd_bt87x_capture_volume_get()
587 	struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);  in snd_bt87x_capture_volume_put()  local
591 	spin_lock_irq(&chip->reg_lock);  in snd_bt87x_capture_volume_put()
592 	old_control = chip->reg_control;  in snd_bt87x_capture_volume_put()
593 	chip->reg_control = (chip->reg_control & ~CTL_A_GAIN_MASK)  in snd_bt87x_capture_volume_put()
595 	snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);  in snd_bt87x_capture_volume_put()
596 	changed = old_control != chip->reg_control;  in snd_bt87x_capture_volume_put()
597 	spin_unlock_irq(&chip->reg_lock);  in snd_bt87x_capture_volume_put()
614 	struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);  in snd_bt87x_capture_boost_get()  local
616 	value->value.integer.value[0] = !! (chip->reg_control & CTL_A_G2X);  in snd_bt87x_capture_boost_get()
623 	struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);  in snd_bt87x_capture_boost_put()  local
627 	spin_lock_irq(&chip->reg_lock);  in snd_bt87x_capture_boost_put()
628 	old_control = chip->reg_control;  in snd_bt87x_capture_boost_put()
629 	chip->reg_control = (chip->reg_control & ~CTL_A_G2X)  in snd_bt87x_capture_boost_put()
631 	snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);  in snd_bt87x_capture_boost_put()
632 	changed = chip->reg_control != old_control;  in snd_bt87x_capture_boost_put()
633 	spin_unlock_irq(&chip->reg_lock);  in snd_bt87x_capture_boost_put()
656 	struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);  in snd_bt87x_capture_source_get()  local
658 	value->value.enumerated.item[0] = (chip->reg_control & CTL_A_SEL_MASK) >> CTL_A_SEL_SHIFT;  in snd_bt87x_capture_source_get()
665 	struct snd_bt87x *chip = snd_kcontrol_chip(kcontrol);  in snd_bt87x_capture_source_put()  local
669 	spin_lock_irq(&chip->reg_lock);  in snd_bt87x_capture_source_put()
670 	old_control = chip->reg_control;  in snd_bt87x_capture_source_put()
671 	chip->reg_control = (chip->reg_control & ~CTL_A_SEL_MASK)  in snd_bt87x_capture_source_put()
673 	snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);  in snd_bt87x_capture_source_put()
674 	changed = chip->reg_control != old_control;  in snd_bt87x_capture_source_put()
675 	spin_unlock_irq(&chip->reg_lock);  in snd_bt87x_capture_source_put()
687 static int snd_bt87x_free(struct snd_bt87x *chip)  in snd_bt87x_free()  argument
689 	if (chip->mmio)  in snd_bt87x_free()
690 		snd_bt87x_stop(chip);  in snd_bt87x_free()
691 	if (chip->irq >= 0)  in snd_bt87x_free()
692 		free_irq(chip->irq, chip);  in snd_bt87x_free()
693 	iounmap(chip->mmio);  in snd_bt87x_free()
694 	pci_release_regions(chip->pci);  in snd_bt87x_free()
695 	pci_disable_device(chip->pci);  in snd_bt87x_free()
696 	kfree(chip);  in snd_bt87x_free()
702 	struct snd_bt87x *chip = device->device_data;  in snd_bt87x_dev_free()  local
703 	return snd_bt87x_free(chip);  in snd_bt87x_dev_free()
706 static int snd_bt87x_pcm(struct snd_bt87x *chip, int device, char *name)  in snd_bt87x_pcm()  argument
711 	err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm);  in snd_bt87x_pcm()
714 	pcm->private_data = chip;  in snd_bt87x_pcm()
719 						     snd_dma_pci_data(chip->pci),  in snd_bt87x_pcm()
728 	struct snd_bt87x *chip;  in snd_bt87x_create()  local
740 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);  in snd_bt87x_create()
741 	if (!chip) {  in snd_bt87x_create()
745 	chip->card = card;  in snd_bt87x_create()
746 	chip->pci = pci;  in snd_bt87x_create()
747 	chip->irq = -1;  in snd_bt87x_create()
748 	spin_lock_init(&chip->reg_lock);  in snd_bt87x_create()
751 		kfree(chip);  in snd_bt87x_create()
755 	chip->mmio = pci_ioremap_bar(pci, 0);  in snd_bt87x_create()
756 	if (!chip->mmio) {  in snd_bt87x_create()
762 	chip->reg_control = CTL_A_PWRDN | CTL_DA_ES2 |  in snd_bt87x_create()
764 	chip->interrupt_mask = MY_INTERRUPTS;  in snd_bt87x_create()
765 	snd_bt87x_writel(chip, REG_GPIO_DMA_CTL, chip->reg_control);  in snd_bt87x_create()
766 	snd_bt87x_writel(chip, REG_INT_MASK, 0);  in snd_bt87x_create()
767 	snd_bt87x_writel(chip, REG_INT_STAT, MY_INTERRUPTS);  in snd_bt87x_create()
770 			  KBUILD_MODNAME, chip);  in snd_bt87x_create()
775 	chip->irq = pci->irq;  in snd_bt87x_create()
777 	synchronize_irq(chip->irq);  in snd_bt87x_create()
779 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);  in snd_bt87x_create()
783 	*rchip = chip;  in snd_bt87x_create()
787 	snd_bt87x_free(chip);  in snd_bt87x_create()
791 #define BT_DEVICE(chip, subvend, subdev, id) \  argument
793 	  .device = chip, \
879 	struct snd_bt87x *chip;  in snd_bt87x_probe()  local
903 	err = snd_bt87x_create(card, pci, &chip);  in snd_bt87x_probe()
907 	memcpy(&chip->board, &snd_bt87x_boards[boardid], sizeof(chip->board));  in snd_bt87x_probe()
909 	if (!chip->board.no_digital) {  in snd_bt87x_probe()
911 			chip->board.dig_rate = digital_rate[dev];  in snd_bt87x_probe()
913 		chip->reg_control |= chip->board.digital_fmt;  in snd_bt87x_probe()
915 		err = snd_bt87x_pcm(chip, DEVICE_DIGITAL, "Bt87x Digital");  in snd_bt87x_probe()
919 	if (!chip->board.no_analog) {  in snd_bt87x_probe()
920 		err = snd_bt87x_pcm(chip, DEVICE_ANALOG, "Bt87x Analog");  in snd_bt87x_probe()
924 				  &snd_bt87x_capture_volume, chip));  in snd_bt87x_probe()
928 				  &snd_bt87x_capture_boost, chip));  in snd_bt87x_probe()
932 				  &snd_bt87x_capture_source, chip));  in snd_bt87x_probe()
938 		   chip->board.no_analog ? "no " : "",  in snd_bt87x_probe()
939 		   chip->board.no_digital ? "no " : "", chip->board.dig_rate);  in snd_bt87x_probe()
945 		chip->irq);  in snd_bt87x_probe()