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ASoC: qdsp6: q6common: Add qdsp6 helper functions

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This patch adds some common helper functions like translating dsp error
to linux error codes and channel mappings etc.

These functions are used in all the following qdsp6 drivers.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-and-tested-by: Rohit kumar <rohitkr@codeaurora.org>
Reviewed-by: Banajit Goswami <bgoswami@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla
2018-05-09 13:56:18 +01:00
committed by Mark Brown
parent 0e17e98203
commit 4dddbddbce
6 changed files with 158 additions and 0 deletions
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24
sound/soc/qcom/qdsp6/q6dsp-common.h Normal file
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __Q6DSP_COMMON_H__
#define __Q6DSP_COMMON_H__
#include <linux/kernel.h>
#define PCM_MAX_NUM_CHANNEL 8
#define PCM_CHANNEL_NULL 0
#define PCM_CHANNEL_FL 1 /* Front left channel. */
#define PCM_CHANNEL_FR 2 /* Front right channel. */
#define PCM_CHANNEL_FC 3 /* Front center channel. */
#define PCM_CHANNEL_LS 4 /* Left surround channel. */
#define PCM_CHANNEL_RS 5 /* Right surround channel. */
#define PCM_CHANNEL_LFE 6 /* Low frequency effect channel. */
#define PCM_CHANNEL_CS 7 /* Center surround channel; Rear center ch */
#define PCM_CHANNEL_LB 8 /* Left back channel; Rear left channel. */
#define PCM_CHANNEL_RB 9 /* Right back channel; Rear right channel. */
#define PCM_CHANNELS 10 /* Top surround channel. */
int q6dsp_map_channels(u8 ch_map[PCM_MAX_NUM_CHANNEL], int ch);
#endif /* __Q6DSP_COMMON_H__ */