31 #define AI_ADDR_REG 0
41 #define MI_INTR_AI 0x04
43 #define MI_MASK_CLR_AI 0x0010
44 #define MI_MASK_SET_AI 0x0020
161 	int changed = 0;  in hw_rule_period_size()
164 	 * The DMA unit has errata on (start + len) & 0x3fff == 0x2000.  in hw_rule_period_size()
193 	if (err < 0)  in n64audio_pcm_open()
196 	err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 2);  in n64audio_pcm_open()
197 	if (err < 0)  in n64audio_pcm_open()
200 	err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,  in n64audio_pcm_open()
202 	if (err < 0)  in n64audio_pcm_open()
205 	return 0;  in n64audio_pcm_open()
226 	priv->chan.pos = 0;  in n64audio_pcm_prepare()
227 	priv->chan.nextpos = 0;  in n64audio_pcm_prepare()
233 	return 0;  in n64audio_pcm_prepare()
248 		n64audio_write_reg(priv, AI_CONTROL_REG, 0);  in n64audio_pcm_trigger()
254 	return 0;  in n64audio_pcm_trigger()
271 	return 0;  in n64audio_pcm_close()
297 	if (err < 0)  in n64audio_probe()
313 	priv->mi_reg_base = devm_platform_ioremap_resource(pdev, 0);  in n64audio_probe()
325 	err = snd_pcm_new(card, "N64 Audio", 0, 1, 0, &pcm);  in n64audio_probe()
326 	if (err < 0)  in n64audio_probe()
333 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC, card->dev, 0, 0);  in n64audio_probe()
339 	irq = platform_get_irq(pdev, 0);  in n64audio_probe()
340 	if (irq < 0) {  in n64audio_probe()
351 	if (err < 0)  in n64audio_probe()
354 	return 0;  in n64audio_probe()