soc/pxa/pxa2xx-i2s.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * pxa2xx-i2s.c  --  ALSA Soc Audio Layer
21 #include <sound/pxa2xx-lib.h>
27 #include "pxa2xx-i2s.h"
33 #define SACR1		__REG(0x40400004)  /* Serial Audio I 2 S/MSB-Justified Control Register */
34 #define SASR0		__REG(0x4040000C)  /* Serial Audio I 2 S/MSB-Justified Interface and FIFO Status Reg…
40 #define SACR0_RFTH(x)	((x) << 12)	/* Rx FIFO Interrupt or DMA Trigger Threshold */
41 #define SACR0_TFTH(x)	((x) << 8)	/* Tx FIFO Interrupt or DMA Trigger Threshold */
85 	.maxburst	= 32,
92 	.maxburst	= 32,
151 		return -ENODEV;  in pxa2xx_i2s_set_dai_sysclk()
163 		return -EINVAL;  in pxa2xx_i2s_hw_params()
168 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in pxa2xx_i2s_hw_params()
184 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in pxa2xx_i2s_hw_params()
223 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in pxa2xx_i2s_trigger()
236 		ret = -EINVAL;  in pxa2xx_i2s_trigger()
245 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in pxa2xx_i2s_shutdown()
299 	clk_i2s = clk_get(dai->dev, "I2SCLK");  in pxa2xx_i2s_probe()
325 	clk_i2s = ERR_PTR(-ENOENT);  in pxa2xx_i2s_remove()
360 	.name		= "pxa-i2s",
377 	return devm_snd_soc_register_component(&pdev->dev, &pxa_i2s_component,  in pxa2xx_i2s_drv_probe()
385 		.name = "pxa2xx-i2s",
391 	clk_i2s = ERR_PTR(-ENOENT);  in pxa2xx_i2s_init()
407 MODULE_ALIAS("platform:pxa2xx-i2s");