103 static u32 hal2_i_read32(struct snd_hal2 *hal2, u16 addr)  in hal2_i_read32()  argument
106 	struct hal2_ctl_regs *regs = hal2->ctl_regs;  in hal2_i_read32()
117 static void hal2_i_write16(struct snd_hal2 *hal2, u16 addr, u16 val)  in hal2_i_write16()  argument
119 	struct hal2_ctl_regs *regs = hal2->ctl_regs;  in hal2_i_write16()
129 static void hal2_i_write32(struct snd_hal2 *hal2, u16 addr, u32 val)  in hal2_i_write32()  argument
131 	struct hal2_ctl_regs *regs = hal2->ctl_regs;  in hal2_i_write32()
141 static void hal2_i_setbit16(struct snd_hal2 *hal2, u16 addr, u16 bit)  in hal2_i_setbit16()  argument
143 	struct hal2_ctl_regs *regs = hal2->ctl_regs;  in hal2_i_setbit16()
155 static void hal2_i_clearbit16(struct snd_hal2 *hal2, u16 addr, u16 bit)  in hal2_i_clearbit16()  argument
157 	struct hal2_ctl_regs *regs = hal2->ctl_regs;  in hal2_i_clearbit16()
189 	struct snd_hal2 *hal2 = snd_kcontrol_chip(kcontrol);  in hal2_gain_get()  local
195 		tmp = hal2_i_read32(hal2, H2I_DAC_C2);  in hal2_gain_get()
205 		tmp = hal2_i_read32(hal2, H2I_ADC_C2);  in hal2_gain_get()
221 	struct snd_hal2 *hal2 = snd_kcontrol_chip(kcontrol);  in hal2_gain_put()  local
230 		old = hal2_i_read32(hal2, H2I_DAC_C2);  in hal2_gain_put()
239 		hal2_i_write32(hal2, H2I_DAC_C2, new);  in hal2_gain_put()
242 		old = hal2_i_read32(hal2, H2I_ADC_C2);  in hal2_gain_put()
246 		hal2_i_write32(hal2, H2I_ADC_C2, new);  in hal2_gain_put()
274 static int hal2_mixer_create(struct snd_hal2 *hal2)  in hal2_mixer_create()  argument
279 	hal2_i_write32(hal2, H2I_DAC_C2,  in hal2_mixer_create()
282 	hal2_i_write32(hal2, H2I_ADC_C2, 0);  in hal2_mixer_create()
284 	err = snd_ctl_add(hal2->card,  in hal2_mixer_create()
285 			  snd_ctl_new1(&hal2_ctrl_headphone, hal2));  in hal2_mixer_create()
289 	err = snd_ctl_add(hal2->card,  in hal2_mixer_create()
290 			  snd_ctl_new1(&hal2_ctrl_mic, hal2));  in hal2_mixer_create()
299 	struct snd_hal2 *hal2 = dev_id;  in hal2_interrupt()  local
303 	if (hal2->dac.pbus.pbus->pbdma_ctrl & HPC3_PDMACTRL_INT) {  in hal2_interrupt()
304 		snd_pcm_period_elapsed(hal2->dac.substream);  in hal2_interrupt()
307 	if (hal2->adc.pbus.pbus->pbdma_ctrl & HPC3_PDMACTRL_INT) {  in hal2_interrupt()
308 		snd_pcm_period_elapsed(hal2->adc.substream);  in hal2_interrupt()
333 static void hal2_set_dac_rate(struct snd_hal2 *hal2)  in hal2_set_dac_rate()  argument
335 	unsigned int master = hal2->dac.master;  in hal2_set_dac_rate()
336 	int inc = hal2->dac.inc;  in hal2_set_dac_rate()
337 	int mod = hal2->dac.mod;  in hal2_set_dac_rate()
339 	hal2_i_write16(hal2, H2I_BRES1_C1, (master == 44100) ? 1 : 0);  in hal2_set_dac_rate()
340 	hal2_i_write32(hal2, H2I_BRES1_C2,  in hal2_set_dac_rate()
344 static void hal2_set_adc_rate(struct snd_hal2 *hal2)  in hal2_set_adc_rate()  argument
346 	unsigned int master = hal2->adc.master;  in hal2_set_adc_rate()
347 	int inc = hal2->adc.inc;  in hal2_set_adc_rate()
348 	int mod = hal2->adc.mod;  in hal2_set_adc_rate()
350 	hal2_i_write16(hal2, H2I_BRES2_C1, (master == 44100) ? 1 : 0);  in hal2_set_adc_rate()
351 	hal2_i_write32(hal2, H2I_BRES2_C2,  in hal2_set_adc_rate()
355 static void hal2_setup_dac(struct snd_hal2 *hal2)  in hal2_setup_dac()  argument
358 	struct hal2_pbus *pbus = &hal2->dac.pbus;  in hal2_setup_dac()
365 	sample_size = 2 * hal2->dac.voices;  in hal2_setup_dac()
375 	hal2_i_clearbit16(hal2, H2I_DMA_PORT_EN, H2I_DMA_PORT_EN_CODECTX);  in hal2_setup_dac()
377 	hal2_set_dac_rate(hal2);  in hal2_setup_dac()
379 	hal2_i_clearbit16(hal2, H2I_DMA_END, H2I_DMA_END_CODECTX);  in hal2_setup_dac()
381 	hal2_i_setbit16(hal2, H2I_DMA_DRV, (1 << pbus->pbusnr));  in hal2_setup_dac()
383 	hal2_i_write16(hal2, H2I_DAC_C1, (pbus->pbusnr << H2I_C1_DMA_SHIFT)  in hal2_setup_dac()
385 			| (hal2->dac.voices << H2I_C1_DATAT_SHIFT));  in hal2_setup_dac()
388 static void hal2_setup_adc(struct snd_hal2 *hal2)  in hal2_setup_adc()  argument
391 	struct hal2_pbus *pbus = &hal2->adc.pbus;  in hal2_setup_adc()
393 	sample_size = 2 * hal2->adc.voices;  in hal2_setup_adc()
400 	hal2_i_clearbit16(hal2, H2I_DMA_PORT_EN, H2I_DMA_PORT_EN_CODECR);  in hal2_setup_adc()
402 	hal2_set_adc_rate(hal2);  in hal2_setup_adc()
404 	hal2_i_clearbit16(hal2, H2I_DMA_END, H2I_DMA_END_CODECR);  in hal2_setup_adc()
406 	hal2_i_setbit16(hal2, H2I_DMA_DRV, (1 << pbus->pbusnr));  in hal2_setup_adc()
408 	hal2_i_write16(hal2, H2I_ADC_C1, (pbus->pbusnr << H2I_C1_DMA_SHIFT)  in hal2_setup_adc()
410 			| (hal2->adc.voices << H2I_C1_DATAT_SHIFT));  in hal2_setup_adc()
413 static void hal2_start_dac(struct snd_hal2 *hal2)  in hal2_start_dac()  argument
415 	struct hal2_pbus *pbus = &hal2->dac.pbus;  in hal2_start_dac()
417 	pbus->pbus->pbdma_dptr = hal2->dac.desc_dma;  in hal2_start_dac()
420 	hal2_i_setbit16(hal2, H2I_DMA_PORT_EN, H2I_DMA_PORT_EN_CODECTX);  in hal2_start_dac()
423 static void hal2_start_adc(struct snd_hal2 *hal2)  in hal2_start_adc()  argument
425 	struct hal2_pbus *pbus = &hal2->adc.pbus;  in hal2_start_adc()
427 	pbus->pbus->pbdma_dptr = hal2->adc.desc_dma;  in hal2_start_adc()
430 	hal2_i_setbit16(hal2, H2I_DMA_PORT_EN, H2I_DMA_PORT_EN_CODECR);  in hal2_start_adc()
433 static inline void hal2_stop_dac(struct snd_hal2 *hal2)  in hal2_stop_dac()  argument
435 	hal2->dac.pbus.pbus->pbdma_ctrl = HPC3_PDMACTRL_LD;  in hal2_stop_dac()
439 static inline void hal2_stop_adc(struct snd_hal2 *hal2)  in hal2_stop_adc()  argument
441 	hal2->adc.pbus.pbus->pbdma_ctrl = HPC3_PDMACTRL_LD;  in hal2_stop_adc()
444 static int hal2_alloc_dmabuf(struct snd_hal2 *hal2, struct hal2_codec *codec,  in hal2_alloc_dmabuf()  argument
447 	struct device *dev = hal2->card->dev;  in hal2_alloc_dmabuf()
481 static void hal2_free_dmabuf(struct snd_hal2 *hal2, struct hal2_codec *codec,  in hal2_free_dmabuf()  argument
484 	struct device *dev = hal2->card->dev;  in hal2_free_dmabuf()
514 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_playback_open()  local
517 	return hal2_alloc_dmabuf(hal2, &hal2->dac, DMA_TO_DEVICE);  in hal2_playback_open()
522 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_playback_close()  local
524 	hal2_free_dmabuf(hal2, &hal2->dac, DMA_TO_DEVICE);  in hal2_playback_close()
530 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_playback_prepare()  local
532 	struct hal2_codec *dac = &hal2->dac;  in hal2_playback_prepare()
542 	hal2_setup_dac(hal2);  in hal2_playback_prepare()
548 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_playback_trigger()  local
552 		hal2_start_dac(hal2);  in hal2_playback_trigger()
555 		hal2_stop_dac(hal2);  in hal2_playback_trigger()
566 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_playback_pointer()  local
567 	struct hal2_codec *dac = &hal2->dac;  in hal2_playback_pointer()
576 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_playback_transfer()  local
577 	unsigned char *buf = hal2->dac.buffer + rec->hw_data;  in hal2_playback_transfer()
580 	dma_sync_single_for_device(hal2->card->dev,  in hal2_playback_transfer()
581 			hal2->dac.buffer_dma + rec->hw_data, bytes,  in hal2_playback_transfer()
588 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_playback_ack()  local
589 	struct hal2_codec *dac = &hal2->dac;  in hal2_playback_ack()
599 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_capture_open()  local
602 	return hal2_alloc_dmabuf(hal2, &hal2->adc, DMA_FROM_DEVICE);  in hal2_capture_open()
607 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_capture_close()  local
609 	hal2_free_dmabuf(hal2, &hal2->adc, DMA_FROM_DEVICE);  in hal2_capture_close()
615 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_capture_prepare()  local
617 	struct hal2_codec *adc = &hal2->adc;  in hal2_capture_prepare()
627 	hal2_setup_adc(hal2);  in hal2_capture_prepare()
633 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_capture_trigger()  local
637 		hal2_start_adc(hal2);  in hal2_capture_trigger()
640 		hal2_stop_adc(hal2);  in hal2_capture_trigger()
651 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_capture_pointer()  local
652 	struct hal2_codec *adc = &hal2->adc;  in hal2_capture_pointer()
661 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_capture_transfer()  local
662 	unsigned char *buf = hal2->adc.buffer + rec->hw_data;  in hal2_capture_transfer()
664 	dma_sync_single_for_cpu(hal2->card->dev,  in hal2_capture_transfer()
665 			hal2->adc.buffer_dma + rec->hw_data, bytes,  in hal2_capture_transfer()
672 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);  in hal2_capture_ack()  local
673 	struct hal2_codec *adc = &hal2->adc;  in hal2_capture_ack()
698 static int hal2_pcm_create(struct snd_hal2 *hal2)  in hal2_pcm_create()  argument
704 	err = snd_pcm_new(hal2->card, "SGI HAL2 Audio", 0, 1, 1, &pcm);  in hal2_pcm_create()
708 	pcm->private_data = hal2;  in hal2_pcm_create()
724 	struct snd_hal2 *hal2 = device->device_data;  in hal2_dev_free()  local
726 	free_irq(SGI_HPCDMA_IRQ, hal2);  in hal2_dev_free()
727 	kfree(hal2);  in hal2_dev_free()
742 static int hal2_detect(struct snd_hal2 *hal2)  in hal2_detect()  argument
748 	hal2_write(0, &hal2->ctl_regs->isr);  in hal2_detect()
752 		   &hal2->ctl_regs->isr);  in hal2_detect()
755 	hal2_i_write16(hal2, H2I_RELAY_C, H2I_RELAY_C_STATE);  in hal2_detect()
756 	rev = hal2_read(&hal2->ctl_regs->rev);  in hal2_detect()
772 	struct snd_hal2 *hal2;  in hal2_create()  local
776 	hal2 = kzalloc(sizeof(*hal2), GFP_KERNEL);  in hal2_create()
777 	if (!hal2)  in hal2_create()
780 	hal2->card = card;  in hal2_create()
783 			"SGI HAL2", hal2)) {  in hal2_create()
785 		kfree(hal2);  in hal2_create()
789 	hal2->ctl_regs = (struct hal2_ctl_regs *)hpc3->pbus_extregs[0];  in hal2_create()
790 	hal2->aes_regs = (struct hal2_aes_regs *)hpc3->pbus_extregs[1];  in hal2_create()
791 	hal2->vol_regs = (struct hal2_vol_regs *)hpc3->pbus_extregs[2];  in hal2_create()
792 	hal2->syn_regs = (struct hal2_syn_regs *)hpc3->pbus_extregs[3];  in hal2_create()
794 	if (hal2_detect(hal2) < 0) {  in hal2_create()
795 		kfree(hal2);  in hal2_create()
799 	hal2_init_codec(&hal2->dac, hpc3, 0);  in hal2_create()
800 	hal2_init_codec(&hal2->adc, hpc3, 1);  in hal2_create()
825 	hpc3->pbus_dmacfg[hal2->dac.pbus.pbusnr][0] = 0x8208844;  in hal2_create()
826 	hpc3->pbus_dmacfg[hal2->adc.pbus.pbusnr][0] = 0x8208844;  in hal2_create()
828 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, hal2, &hal2_ops);  in hal2_create()
830 		free_irq(SGI_HPCDMA_IRQ, hal2);  in hal2_create()
831 		kfree(hal2);  in hal2_create()
834 	*rchip = hal2;  in hal2_create()