87 snd_at73c213_write_reg(struct snd_at73c213 *chip, u8 reg, u8 val)  in snd_at73c213_write_reg()  argument
98 	chip->spi_wbuffer[0] = reg;  in snd_at73c213_write_reg()
99 	chip->spi_wbuffer[1] = val;  in snd_at73c213_write_reg()
101 	msg_xfer.tx_buf = chip->spi_wbuffer;  in snd_at73c213_write_reg()
102 	msg_xfer.rx_buf = chip->spi_rbuffer;  in snd_at73c213_write_reg()
105 	retval = spi_sync(chip->spi, &msg);  in snd_at73c213_write_reg()
108 		chip->reg_image[reg] = val;  in snd_at73c213_write_reg()
132 static int snd_at73c213_set_bitrate(struct snd_at73c213 *chip)  in snd_at73c213_set_bitrate()  argument
134 	unsigned long ssc_rate = clk_get_rate(chip->ssc->clk);  in snd_at73c213_set_bitrate()
176 		status = clk_round_rate(chip->board->dac_clk, dac_rate_new);  in snd_at73c213_set_bitrate()
191 	status = clk_set_rate(chip->board->dac_clk, status);  in snd_at73c213_set_bitrate()
196 	ssc_writel(chip->ssc->regs, CMR, ssc_div/2);  in snd_at73c213_set_bitrate()
199 	chip->bitrate = ssc_rate / (ssc_div * 16 * 2);  in snd_at73c213_set_bitrate()
201 	dev_info(&chip->spi->dev,  in snd_at73c213_set_bitrate()
203 			chip->bitrate, ssc_div);  in snd_at73c213_set_bitrate()
210 	struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);  in snd_at73c213_pcm_open()  local
219 	snd_at73c213_playback_hw.rate_min = chip->bitrate;  in snd_at73c213_pcm_open()
220 	snd_at73c213_playback_hw.rate_max = chip->bitrate;  in snd_at73c213_pcm_open()
222 	chip->substream = substream;  in snd_at73c213_pcm_open()
229 	struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);  in snd_at73c213_pcm_close()  local
230 	chip->substream = NULL;  in snd_at73c213_pcm_close()
237 	struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);  in snd_at73c213_pcm_hw_params()  local
241 	val = ssc_readl(chip->ssc->regs, TFMR);  in snd_at73c213_pcm_hw_params()
243 	ssc_writel(chip->ssc->regs, TFMR, val);  in snd_at73c213_pcm_hw_params()
256 	struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);  in snd_at73c213_pcm_prepare()  local
262 	chip->period = 0;  in snd_at73c213_pcm_prepare()
264 	ssc_writel(chip->ssc->regs, PDC_TPR,  in snd_at73c213_pcm_prepare()
266 	ssc_writel(chip->ssc->regs, PDC_TCR,  in snd_at73c213_pcm_prepare()
268 	ssc_writel(chip->ssc->regs, PDC_TNPR,  in snd_at73c213_pcm_prepare()
270 	ssc_writel(chip->ssc->regs, PDC_TNCR,  in snd_at73c213_pcm_prepare()
279 	struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);  in snd_at73c213_pcm_trigger()  local
282 	spin_lock(&chip->lock);  in snd_at73c213_pcm_trigger()
286 		ssc_writel(chip->ssc->regs, IER, SSC_BIT(IER_ENDTX));  in snd_at73c213_pcm_trigger()
287 		ssc_writel(chip->ssc->regs, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTEN));  in snd_at73c213_pcm_trigger()
290 		ssc_writel(chip->ssc->regs, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTDIS));  in snd_at73c213_pcm_trigger()
291 		ssc_writel(chip->ssc->regs, IDR, SSC_BIT(IDR_ENDTX));  in snd_at73c213_pcm_trigger()
294 		dev_dbg(&chip->spi->dev, "spurious command %x\n", cmd);  in snd_at73c213_pcm_trigger()
299 	spin_unlock(&chip->lock);  in snd_at73c213_pcm_trigger()
307 	struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);  in snd_at73c213_pcm_pointer()  local
312 	bytes = ssc_readl(chip->ssc->regs, PDC_TPR)  in snd_at73c213_pcm_pointer()
333 static int snd_at73c213_pcm_new(struct snd_at73c213 *chip, int device)  in snd_at73c213_pcm_new()  argument
338 	retval = snd_pcm_new(chip->card, chip->card->shortname,  in snd_at73c213_pcm_new()
343 	pcm->private_data = chip;  in snd_at73c213_pcm_new()
346 	chip->pcm = pcm;  in snd_at73c213_pcm_new()
350 	retval = snd_pcm_lib_preallocate_pages_for_all(chip->pcm,  in snd_at73c213_pcm_new()
351 			SNDRV_DMA_TYPE_DEV, &chip->ssc->pdev->dev,  in snd_at73c213_pcm_new()
359 	struct snd_at73c213 *chip = dev_id;  in snd_at73c213_interrupt()  local
360 	struct snd_pcm_runtime *runtime = chip->substream->runtime;  in snd_at73c213_interrupt()
367 	spin_lock(&chip->lock);  in snd_at73c213_interrupt()
370 	status = ssc_readl(chip->ssc->regs, IMR);  in snd_at73c213_interrupt()
373 		chip->period++;  in snd_at73c213_interrupt()
374 		if (chip->period == runtime->periods)  in snd_at73c213_interrupt()
375 			chip->period = 0;  in snd_at73c213_interrupt()
376 		next_period = chip->period + 1;  in snd_at73c213_interrupt()
382 		ssc_writel(chip->ssc->regs, PDC_TNPR,  in snd_at73c213_interrupt()
384 		ssc_writel(chip->ssc->regs, PDC_TNCR,  in snd_at73c213_interrupt()
389 	ssc_readl(chip->ssc->regs, IMR);  in snd_at73c213_interrupt()
390 	spin_unlock(&chip->lock);  in snd_at73c213_interrupt()
393 		snd_pcm_period_elapsed(chip->substream);  in snd_at73c213_interrupt()
404 	struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);  in snd_at73c213_mono_get()  local
410 	mutex_lock(&chip->mixer_lock);  in snd_at73c213_mono_get()
413 		(chip->reg_image[reg] >> shift) & mask;  in snd_at73c213_mono_get()
419 	mutex_unlock(&chip->mixer_lock);  in snd_at73c213_mono_get()
427 	struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);  in snd_at73c213_mono_put()  local
440 	mutex_lock(&chip->mixer_lock);  in snd_at73c213_mono_put()
442 	val = (chip->reg_image[reg] & ~(mask << shift)) | val;  in snd_at73c213_mono_put()
443 	change = val != chip->reg_image[reg];  in snd_at73c213_mono_put()
444 	retval = snd_at73c213_write_reg(chip, reg, val);  in snd_at73c213_mono_put()
446 	mutex_unlock(&chip->mixer_lock);  in snd_at73c213_mono_put()
474 	struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);  in snd_at73c213_stereo_get()  local
482 	mutex_lock(&chip->mixer_lock);  in snd_at73c213_stereo_get()
485 		(chip->reg_image[left_reg] >> shift_left) & mask;  in snd_at73c213_stereo_get()
487 		(chip->reg_image[right_reg] >> shift_right) & mask;  in snd_at73c213_stereo_get()
496 	mutex_unlock(&chip->mixer_lock);  in snd_at73c213_stereo_get()
504 	struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);  in snd_at73c213_stereo_put()  local
523 	mutex_lock(&chip->mixer_lock);  in snd_at73c213_stereo_put()
525 	val1 = (chip->reg_image[left_reg] & ~(mask << shift_left)) | val1;  in snd_at73c213_stereo_put()
526 	val2 = (chip->reg_image[right_reg] & ~(mask << shift_right)) | val2;  in snd_at73c213_stereo_put()
527 	change = val1 != chip->reg_image[left_reg]  in snd_at73c213_stereo_put()
528 		|| val2 != chip->reg_image[right_reg];  in snd_at73c213_stereo_put()
529 	retval = snd_at73c213_write_reg(chip, left_reg, val1);  in snd_at73c213_stereo_put()
531 		mutex_unlock(&chip->mixer_lock);  in snd_at73c213_stereo_put()
534 	retval = snd_at73c213_write_reg(chip, right_reg, val2);  in snd_at73c213_stereo_put()
536 		mutex_unlock(&chip->mixer_lock);  in snd_at73c213_stereo_put()
540 	mutex_unlock(&chip->mixer_lock);  in snd_at73c213_stereo_put()
553 	struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);  in snd_at73c213_mono_switch_get()  local
558 	mutex_lock(&chip->mixer_lock);  in snd_at73c213_mono_switch_get()
561 		(chip->reg_image[reg] >> shift) & 0x01;  in snd_at73c213_mono_switch_get()
567 	mutex_unlock(&chip->mixer_lock);  in snd_at73c213_mono_switch_get()
575 	struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);  in snd_at73c213_mono_switch_put()  local
592 	mutex_lock(&chip->mixer_lock);  in snd_at73c213_mono_switch_put()
594 	val |= (chip->reg_image[reg] & ~(mask << shift));  in snd_at73c213_mono_switch_put()
595 	change = val != chip->reg_image[reg];  in snd_at73c213_mono_switch_put()
597 	retval = snd_at73c213_write_reg(chip, reg, val);  in snd_at73c213_mono_switch_put()
599 	mutex_unlock(&chip->mixer_lock);  in snd_at73c213_mono_switch_put()
712 static int snd_at73c213_mixer(struct snd_at73c213 *chip)  in snd_at73c213_mixer()  argument
717 	if (chip == NULL || chip->pcm == NULL)  in snd_at73c213_mixer()
720 	card = chip->card;  in snd_at73c213_mixer()
722 	strcpy(card->mixername, chip->pcm->name);  in snd_at73c213_mixer()
727 					chip));  in snd_at73c213_mixer()
747 static int snd_at73c213_ssc_init(struct snd_at73c213 *chip)  in snd_at73c213_ssc_init()  argument
755 	ssc_writel(chip->ssc->regs, TCMR,  in snd_at73c213_ssc_init()
767 	ssc_writel(chip->ssc->regs, TFMR,  in snd_at73c213_ssc_init()
777 static int snd_at73c213_chip_init(struct snd_at73c213 *chip)  in snd_at73c213_chip_init()  argument
782 	retval = snd_at73c213_set_bitrate(chip);  in snd_at73c213_chip_init()
787 	clk_enable(chip->board->dac_clk);  in snd_at73c213_chip_init()
790 	retval = snd_at73c213_write_reg(chip, DAC_RST, 0x04);  in snd_at73c213_chip_init()
794 	retval = snd_at73c213_write_reg(chip, DAC_RST, 0x03);  in snd_at73c213_chip_init()
799 	retval = snd_at73c213_write_reg(chip, DAC_PRECH, 0xff);  in snd_at73c213_chip_init()
802 	retval = snd_at73c213_write_reg(chip, PA_CTRL, (1<<PA_CTRL_APAPRECH));  in snd_at73c213_chip_init()
805 	retval = snd_at73c213_write_reg(chip, DAC_CTRL,  in snd_at73c213_chip_init()
813 	retval = snd_at73c213_write_reg(chip, PA_CTRL,  in snd_at73c213_chip_init()
821 	retval = snd_at73c213_write_reg(chip, DAC_PRECH, (1<<DAC_PRECH_ONMSTR));  in snd_at73c213_chip_init()
831 	retval = snd_at73c213_write_reg(chip, DAC_CTRL, dac_ctrl);  in snd_at73c213_chip_init()
836 	retval = snd_at73c213_write_reg(chip, DAC_LMPG, 0x3f);  in snd_at73c213_chip_init()
839 	retval = snd_at73c213_write_reg(chip, DAC_RMPG, 0x3f);  in snd_at73c213_chip_init()
842 	retval = snd_at73c213_write_reg(chip, DAC_LLOG, 0x3f);  in snd_at73c213_chip_init()
845 	retval = snd_at73c213_write_reg(chip, DAC_RLOG, 0x3f);  in snd_at73c213_chip_init()
848 	retval = snd_at73c213_write_reg(chip, DAC_LLIG, 0x11);  in snd_at73c213_chip_init()
851 	retval = snd_at73c213_write_reg(chip, DAC_RLIG, 0x11);  in snd_at73c213_chip_init()
854 	retval = snd_at73c213_write_reg(chip, DAC_AUXG, 0x11);  in snd_at73c213_chip_init()
859 	ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXEN));  in snd_at73c213_chip_init()
864 	clk_disable(chip->board->dac_clk);  in snd_at73c213_chip_init()
871 	struct snd_at73c213 *chip = device->device_data;  in snd_at73c213_dev_free()  local
873 	ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));  in snd_at73c213_dev_free()
874 	if (chip->irq >= 0) {  in snd_at73c213_dev_free()
875 		free_irq(chip->irq, chip);  in snd_at73c213_dev_free()
876 		chip->irq = -1;  in snd_at73c213_dev_free()
888 	struct snd_at73c213 *chip = get_chip(card);  in snd_at73c213_dev_init()  local
891 	irq = chip->ssc->irq;  in snd_at73c213_dev_init()
895 	spin_lock_init(&chip->lock);  in snd_at73c213_dev_init()
896 	mutex_init(&chip->mixer_lock);  in snd_at73c213_dev_init()
897 	chip->card = card;  in snd_at73c213_dev_init()
898 	chip->irq = -1;  in snd_at73c213_dev_init()
900 	retval = request_irq(irq, snd_at73c213_interrupt, 0, "at73c213", chip);  in snd_at73c213_dev_init()
902 		dev_dbg(&chip->spi->dev, "unable to request irq %d\n", irq);  in snd_at73c213_dev_init()
905 	chip->irq = irq;  in snd_at73c213_dev_init()
907 	memcpy(&chip->reg_image, &snd_at73c213_original_image,  in snd_at73c213_dev_init()
910 	retval = snd_at73c213_ssc_init(chip);  in snd_at73c213_dev_init()
914 	retval = snd_at73c213_chip_init(chip);  in snd_at73c213_dev_init()
918 	retval = snd_at73c213_pcm_new(chip, 0);  in snd_at73c213_dev_init()
922 	retval = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);  in snd_at73c213_dev_init()
926 	retval = snd_at73c213_mixer(chip);  in snd_at73c213_dev_init()
933 	snd_device_free(card, chip);  in snd_at73c213_dev_init()
935 	free_irq(chip->irq, chip);  in snd_at73c213_dev_init()
936 	chip->irq = -1;  in snd_at73c213_dev_init()
944 	struct snd_at73c213		*chip;  in snd_at73c213_probe()  local
972 	chip = card->private_data;  in snd_at73c213_probe()
973 	chip->spi = spi;  in snd_at73c213_probe()
974 	chip->board = board;  in snd_at73c213_probe()
976 	chip->ssc = ssc_request(board->ssc_id);  in snd_at73c213_probe()
977 	if (IS_ERR(chip->ssc)) {  in snd_at73c213_probe()
980 		retval = PTR_ERR(chip->ssc);  in snd_at73c213_probe()
990 	sprintf(card->longname, "%s on irq %d", card->shortname, chip->irq);  in snd_at73c213_probe()
1001 	ssc_free(chip->ssc);  in snd_at73c213_probe()
1011 	struct snd_at73c213 *chip = card->private_data;  in snd_at73c213_remove()  local
1015 	ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));  in snd_at73c213_remove()
1018 	retval = snd_at73c213_write_reg(chip, DAC_LMPG, 0x3f);  in snd_at73c213_remove()
1021 	retval = snd_at73c213_write_reg(chip, DAC_RMPG, 0x3f);  in snd_at73c213_remove()
1024 	retval = snd_at73c213_write_reg(chip, DAC_LLOG, 0x3f);  in snd_at73c213_remove()
1027 	retval = snd_at73c213_write_reg(chip, DAC_RLOG, 0x3f);  in snd_at73c213_remove()
1030 	retval = snd_at73c213_write_reg(chip, DAC_LLIG, 0x11);  in snd_at73c213_remove()
1033 	retval = snd_at73c213_write_reg(chip, DAC_RLIG, 0x11);  in snd_at73c213_remove()
1036 	retval = snd_at73c213_write_reg(chip, DAC_AUXG, 0x11);  in snd_at73c213_remove()
1041 	retval = snd_at73c213_write_reg(chip, PA_CTRL,  in snd_at73c213_remove()
1042 					chip->reg_image[PA_CTRL] | 0x0f);  in snd_at73c213_remove()
1046 	retval = snd_at73c213_write_reg(chip, PA_CTRL,  in snd_at73c213_remove()
1052 	retval = snd_at73c213_write_reg(chip, DAC_CTRL, 0x0c);  in snd_at73c213_remove()
1056 	retval = snd_at73c213_write_reg(chip, DAC_CTRL, 0x00);  in snd_at73c213_remove()
1061 	retval = snd_at73c213_write_reg(chip, DAC_PRECH, 0x00);  in snd_at73c213_remove()
1067 	clk_disable(chip->board->dac_clk);  in snd_at73c213_remove()
1069 	ssc_free(chip->ssc);  in snd_at73c213_remove()
1080 	struct snd_at73c213 *chip = card->private_data;  in snd_at73c213_suspend()  local
1082 	ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));  in snd_at73c213_suspend()
1083 	clk_disable(chip->board->dac_clk);  in snd_at73c213_suspend()
1091 	struct snd_at73c213 *chip = card->private_data;  in snd_at73c213_resume()  local
1093 	clk_enable(chip->board->dac_clk);  in snd_at73c213_resume()
1094 	ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXEN));  in snd_at73c213_resume()