diff options
| author | Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> | 2010-10-19 20:27:15 +0200 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@linaro.org> | 2012-03-19 09:00:46 +0100 |
| commit | 2d1cb6dd18319e08a39a5a96a37f400660729a34 (patch) | |
| tree | 0ee1d02572ef22c21370d5f00fcfa38ff5d2de2c /sound/soc/ux500/ux500_msp_dai.h | |
| parent | ef0195e617bd316008d75f1358ad8957dd666468 (diff) | |
sound: add asoc support for ux500 platform
This patch is based on the following work:
cg29xx ASoc: The codec driver for cg29xx does now use the MFD driver for that chip.
ST-Ericsson ID: 259 100
Author: Roger Nilsson <roger.xr.nilsson@stericsson.com>
Ux500 ASoc: Added support for the DSP_A format.
ST-Ericsson ID: 259 074
Author: Roger Nilsson <roger.xr.nilsson@stericsson.com>
Ux500 ASoC: Added support for TDM.
ST-Ericsson ID: 259 074
Author: Roger Nilsson <roger.xr.nilsson@stericsson.com>
Ux500 ASoC: HDMI-driver in Ux500 ALSA SoC-driver.
Author: Ola Lilja <ola.o.lilja@stericsson.com>
Add a power management scheme for AB3550 and fix bugs that hinder simultaneous playback/capture.
ST-Ericsson ID: WP 259100
Author: Xie Xiaolei <xie.xiaolei@stericsson.com>
msp: add configuration param for MSP_IODLY
ST-Ericsson ID: CR261462
Author: Rabin Vincent <rabin.vincent@stericsson.com>
sound: asoc: Added codec and machine drivers for cg29xx.
Author: Ola Lilja <ola.o.lilja@stericsson.com>
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Diffstat (limited to 'sound/soc/ux500/ux500_msp_dai.h')
| -rw-r--r-- | sound/soc/ux500/ux500_msp_dai.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sound/soc/ux500/ux500_msp_dai.h b/sound/soc/ux500/ux500_msp_dai.h new file mode 100644 index 00000000000..0ad8b380318 --- /dev/null +++ b/sound/soc/ux500/ux500_msp_dai.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Ola Lilja ola.o.lilja@stericsson.com, + * Roger Nilsson roger.xr.nilsson@stericsson.com + * for ST-Ericsson. + * + * License terms: + * + * 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 UX500_msp_dai_H +#define UX500_msp_dai_H + +#include <linux/types.h> +#include <linux/spinlock.h> +#include <linux/i2s/i2s.h> + +#define UX500_NBR_OF_DAI 3 + +#define UX500_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | \ + SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) + +#define UX500_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE) + +#define FRAME_PER_SINGLE_SLOT_8_KHZ 31 +#define FRAME_PER_SINGLE_SLOT_16_KHZ 124 +#define FRAME_PER_SINGLE_SLOT_44_1_KHZ 63 +#define FRAME_PER_SINGLE_SLOT_48_KHZ 49 +#define FRAME_PER_2_SLOTS 31 +#define FRAME_PER_8_SLOTS 138 +#define FRAME_PER_16_SLOTS 277 + +#define UX500_MSP_INTERNAL_CLOCK_FREQ 40000000; +#define UX500_MSP_MIN_CHANNELS 1 +#define UX500_MSP_MAX_CHANNELS 8 + +struct ux500_msp_dai_private { + spinlock_t lock; + struct i2s_device *i2s; + unsigned int fmt; + unsigned int tx_mask; + unsigned int rx_mask; + int slots; + int slot_width; +}; + +extern struct snd_soc_dai ux500_msp_dai[UX500_NBR_OF_DAI]; + +int ux500_msp_dai_i2s_send_data(void *data, size_t bytes, int dai_idx); +int ux500_msp_dai_i2s_receive_data(void *data, size_t bytes, int dai_idx); + +#endif |