mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 05:11:48 +00:00
1b340bd7e4
The SSP ports PXA series processors can be used to implement a variety of audio interface formats. This patch implements support for I2S, DSP A and DSP B modes on these ports. This patch is based on the previous out of tree pxa2xx-ssp driver (which was originally written by Liam Girdwood with updates from Philipp Zabel and Nicola Perrino) and pxa3xx-ssp driver (originally written by Seth Forsee based on the pxa2xx-ssp driver). Testing coverage is not complete currently. Tested-by: Daniel Ribeiro <drwyrm@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
|
|
* ASoC PXA SSP port support
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#ifndef _PXA_SSP_H
|
|
#define _PXA_SSP_H
|
|
|
|
/* pxa DAI SSP IDs */
|
|
#define PXA_DAI_SSP1 0
|
|
#define PXA_DAI_SSP2 1
|
|
#define PXA_DAI_SSP3 2
|
|
#define PXA_DAI_SSP4 3
|
|
|
|
/* SSP clock sources */
|
|
#define PXA_SSP_CLK_PLL 0
|
|
#define PXA_SSP_CLK_EXT 1
|
|
#define PXA_SSP_CLK_NET 2
|
|
#define PXA_SSP_CLK_AUDIO 3
|
|
#define PXA_SSP_CLK_NET_PLL 4
|
|
|
|
/* SSP audio dividers */
|
|
#define PXA_SSP_AUDIO_DIV_ACDS 0
|
|
#define PXA_SSP_AUDIO_DIV_SCDB 1
|
|
#define PXA_SSP_DIV_SCR 2
|
|
|
|
/* SSP ACDS audio dividers values */
|
|
#define PXA_SSP_CLK_AUDIO_DIV_1 0
|
|
#define PXA_SSP_CLK_AUDIO_DIV_2 1
|
|
#define PXA_SSP_CLK_AUDIO_DIV_4 2
|
|
#define PXA_SSP_CLK_AUDIO_DIV_8 3
|
|
#define PXA_SSP_CLK_AUDIO_DIV_16 4
|
|
#define PXA_SSP_CLK_AUDIO_DIV_32 5
|
|
|
|
/* SSP divider bypass */
|
|
#define PXA_SSP_CLK_SCDB_4 0
|
|
#define PXA_SSP_CLK_SCDB_1 1
|
|
#define PXA_SSP_CLK_SCDB_8 2
|
|
|
|
#define PXA_SSP_PLL_OUT 0
|
|
|
|
extern struct snd_soc_dai pxa_ssp_dai[4];
|
|
|
|
#endif
|