Commit 4dddbddb authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Mark Brown

ASoC: qdsp6: q6common: Add qdsp6 helper functions

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: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-and-tested-by: default avatarRohit kumar <rohitkr@codeaurora.org>
Reviewed-by: default avatarBanajit Goswami <bgoswami@codeaurora.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 0e17e982
......@@ -40,3 +40,16 @@ config SND_SOC_APQ8016_SBC
Support for Qualcomm Technologies LPASS audio block in
APQ8016 SOC-based systems.
Say Y if you want to use audio devices on MI2S.
config SND_SOC_QDSP6_COMMON
tristate
config SND_SOC_QDSP6
tristate "SoC ALSA audio driver for QDSP6"
depends on QCOM_APR && HAS_DMA
select SND_SOC_QDSP6_COMMON
help
To add support for MSM QDSP6 Soc Audio.
This will enable sound soc platform specific
audio drivers. This includes q6asm, q6adm,
q6afe interfaces to DSP using apr.
......@@ -16,3 +16,6 @@ snd-soc-apq8016-sbc-objs := apq8016_sbc.o
obj-$(CONFIG_SND_SOC_STORM) += snd-soc-storm.o
obj-$(CONFIG_SND_SOC_APQ8016_SBC) += snd-soc-apq8016-sbc.o
#DSP lib
obj-$(CONFIG_SND_SOC_QDSP6) += qdsp6/
obj-$(CONFIG_SND_SOC_QDSP6_COMMON) += q6dsp-common.o
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
// Copyright (c) 2018, Linaro Limited
#include "q6dsp-common.h"
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/errno.h>
int q6dsp_map_channels(u8 ch_map[PCM_MAX_NUM_CHANNEL], int ch)
{
memset(ch_map, 0, PCM_MAX_NUM_CHANNEL);
switch (ch) {
case 1:
ch_map[0] = PCM_CHANNEL_FC;
break;
case 2:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
break;
case 3:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
ch_map[2] = PCM_CHANNEL_FC;
break;
case 4:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
ch_map[2] = PCM_CHANNEL_LS;
ch_map[3] = PCM_CHANNEL_RS;
break;
case 5:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
ch_map[2] = PCM_CHANNEL_FC;
ch_map[3] = PCM_CHANNEL_LS;
ch_map[4] = PCM_CHANNEL_RS;
break;
case 6:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
ch_map[2] = PCM_CHANNEL_LFE;
ch_map[3] = PCM_CHANNEL_FC;
ch_map[4] = PCM_CHANNEL_LS;
ch_map[5] = PCM_CHANNEL_RS;
break;
case 8:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
ch_map[2] = PCM_CHANNEL_LFE;
ch_map[3] = PCM_CHANNEL_FC;
ch_map[4] = PCM_CHANNEL_LS;
ch_map[5] = PCM_CHANNEL_RS;
ch_map[6] = PCM_CHANNEL_LB;
ch_map[7] = PCM_CHANNEL_RB;
break;
default:
return -EINVAL;
}
return 0;
}
EXPORT_SYMBOL_GPL(q6dsp_map_channels);
MODULE_LICENSE("GPL v2");
/* 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__ */
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __Q6DSP_ERR_NO_H__
#define __Q6DSP_ERR_NO_H__
#include <linux/kernel.h>
/* Success. The operation completed with no errors. */
#define ADSP_EOK 0x00000000
/* General failure. */
#define ADSP_EFAILED 0x00000001
/* Bad operation parameter. */
#define ADSP_EBADPARAM 0x00000002
/* Unsupported routine or operation. */
#define ADSP_EUNSUPPORTED 0x00000003
/* Unsupported version. */
#define ADSP_EVERSION 0x00000004
/* Unexpected problem encountered. */
#define ADSP_EUNEXPECTED 0x00000005
/* Unhandled problem occurred. */
#define ADSP_EPANIC 0x00000006
/* Unable to allocate resource. */
#define ADSP_ENORESOURCE 0x00000007
/* Invalid handle. */
#define ADSP_EHANDLE 0x00000008
/* Operation is already processed. */
#define ADSP_EALREADY 0x00000009
/* Operation is not ready to be processed. */
#define ADSP_ENOTREADY 0x0000000A
/* Operation is pending completion. */
#define ADSP_EPENDING 0x0000000B
/* Operation could not be accepted or processed. */
#define ADSP_EBUSY 0x0000000C
/* Operation aborted due to an error. */
#define ADSP_EABORTED 0x0000000D
/* Operation preempted by a higher priority. */
#define ADSP_EPREEMPTED 0x0000000E
/* Operation requests intervention to complete. */
#define ADSP_ECONTINUE 0x0000000F
/* Operation requests immediate intervention to complete. */
#define ADSP_EIMMEDIATE 0x00000010
/* Operation is not implemented. */
#define ADSP_ENOTIMPL 0x00000011
/* Operation needs more data or resources. */
#define ADSP_ENEEDMORE 0x00000012
/* Operation does not have memory. */
#define ADSP_ENOMEMORY 0x00000014
/* Item does not exist. */
#define ADSP_ENOTEXIST 0x00000015
/* Max count for adsp error code sent to HLOS*/
#endif /*__Q6DSP_ERR_NO_H__ */
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