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3592b7f69a
Add driver for running I2S with the MSP-block. Signed-off-by: Ola Lilja <ola.o.lilja@stericsson.com> [Fixed trailing whitespace -- broonie] Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/*
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* Copyright (C) ST-Ericsson SA 2012
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*
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* Author: Ola Lilja <ola.o.lilja@stericsson.com>,
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* Roger Nilsson <roger.xr.nilsson@stericsson.com>
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* for ST-Ericsson.
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*
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* License terms:
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#ifndef UX500_msp_dai_H
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#define UX500_msp_dai_H
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#include <linux/types.h>
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#include <linux/spinlock.h>
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#include "ux500_msp_i2s.h"
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#define UX500_NBR_OF_DAI 4
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#define UX500_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | \
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SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
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#define UX500_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
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#define FRAME_PER_SINGLE_SLOT_8_KHZ 31
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#define FRAME_PER_SINGLE_SLOT_16_KHZ 124
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#define FRAME_PER_SINGLE_SLOT_44_1_KHZ 63
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#define FRAME_PER_SINGLE_SLOT_48_KHZ 49
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#define FRAME_PER_2_SLOTS 31
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#define FRAME_PER_8_SLOTS 138
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#define FRAME_PER_16_SLOTS 277
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#ifndef CONFIG_SND_SOC_UX500_AB5500
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#define UX500_MSP_INTERNAL_CLOCK_FREQ 40000000
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#define UX500_MSP1_INTERNAL_CLOCK_FREQ UX500_MSP_INTERNAL_CLOCK_FREQ
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#else
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#define UX500_MSP_INTERNAL_CLOCK_FREQ 13000000
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#define UX500_MSP1_INTERNAL_CLOCK_FREQ (UX500_MSP_INTERNAL_CLOCK_FREQ * 2)
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#endif
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#define UX500_MSP_MIN_CHANNELS 1
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#define UX500_MSP_MAX_CHANNELS 8
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#define PLAYBACK_CONFIGURED 1
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#define CAPTURE_CONFIGURED 2
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enum ux500_msp_clock_id {
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UX500_MSP_MASTER_CLOCK,
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};
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struct ux500_msp_i2s_drvdata {
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struct ux500_msp *msp;
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struct regulator *reg_vape;
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struct ux500_msp_dma_params playback_dma_data;
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struct ux500_msp_dma_params capture_dma_data;
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unsigned int fmt;
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unsigned int tx_mask;
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unsigned int rx_mask;
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int slots;
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int slot_width;
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u8 configured;
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int data_delay;
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/* Clocks */
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unsigned int master_clk;
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struct clk *clk;
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/* Regulators */
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int vape_opp_constraint;
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};
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int ux500_msp_dai_set_data_delay(struct snd_soc_dai *dai, int delay);
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#endif
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