[mirror_ubuntu-bionic-kernel.git] / sound / soc / qcom / lpass-ipq806x.c

/*
 * Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * lpass-ipq806x.c -- ALSA SoC CPU DAI driver for QTi LPASS
 * Splited out the IPQ8064 soc specific from lpass-cpu.c
 */

#include <linux/clk.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>

#include "lpass-lpaif-reg.h"
#include "lpass.h"

enum lpaif_i2s_ports {
	IPQ806X_LPAIF_I2S_PORT_CODEC_SPK,
	IPQ806X_LPAIF_I2S_PORT_CODEC_MIC,
	IPQ806X_LPAIF_I2S_PORT_SEC_SPK,
	IPQ806X_LPAIF_I2S_PORT_SEC_MIC,
	IPQ806X_LPAIF_I2S_PORT_MI2S,
};

enum lpaif_dma_channels {
	IPQ806X_LPAIF_RDMA_CHAN_MI2S,
	IPQ806X_LPAIF_RDMA_CHAN_PCM0,
	IPQ806X_LPAIF_RDMA_CHAN_PCM1,
};

static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = {
	.id	= IPQ806X_LPAIF_I2S_PORT_MI2S,
	.playback = {
		.stream_name	= "lpass-cpu-playback",
		.formats	= SNDRV_PCM_FMTBIT_S16 |
					SNDRV_PCM_FMTBIT_S24 |
					SNDRV_PCM_FMTBIT_S32,
		.rates		= SNDRV_PCM_RATE_8000 |
					SNDRV_PCM_RATE_16000 |
					SNDRV_PCM_RATE_32000 |
					SNDRV_PCM_RATE_48000 |
					SNDRV_PCM_RATE_96000,
		.rate_min	= 8000,
		.rate_max	= 96000,
		.channels_min	= 1,
		.channels_max	= 8,
	},
	.probe	= &asoc_qcom_lpass_cpu_dai_probe,
	.ops    = &asoc_qcom_lpass_cpu_dai_ops,
};

static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir)
{
	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
		return IPQ806X_LPAIF_RDMA_CHAN_MI2S;
	else	/* Capture currently not implemented */
		return -EINVAL;
}

static int ipq806x_lpass_free_dma_channel(struct lpass_data *drvdata, int chan)
{
	return 0;
}

static struct lpass_variant ipq806x_data = {
	.i2sctrl_reg_base	= 0x0010,
	.i2sctrl_reg_stride	= 0x04,
	.i2s_ports		= 5,
	.irq_reg_base		= 0x3000,
	.irq_reg_stride		= 0x1000,
	.irq_ports		= 3,
	.rdma_reg_base		= 0x6000,
	.rdma_reg_stride	= 0x1000,
	.rdma_channels		= 4,
	.wrdma_reg_base		= 0xB000,
	.wrdma_reg_stride	= 0x1000,
	.wrdma_channel_start	= 5,
	.wrdma_channels		= 4,
	.dai_driver		= &ipq806x_lpass_cpu_dai_driver,
	.num_dai		= 1,
	.dai_osr_clk_names	= (const char *[]) {
				"mi2s-osr-clk",
				},
	.dai_bit_clk_names	= (const char *[]) {
				"mi2s-bit-clk",
				},
	.alloc_dma_channel	= ipq806x_lpass_alloc_dma_channel,
	.free_dma_channel	= ipq806x_lpass_free_dma_channel,
};

static const struct of_device_id ipq806x_lpass_cpu_device_id[] = {
	{ .compatible = "qcom,lpass-cpu", .data = &ipq806x_data },
	{}
};
MODULE_DEVICE_TABLE(of, ipq806x_lpass_cpu_device_id);

static struct platform_driver ipq806x_lpass_cpu_platform_driver = {
	.driver	= {
		.name		= "lpass-cpu",
		.of_match_table	= of_match_ptr(ipq806x_lpass_cpu_device_id),
	},
	.probe	= asoc_qcom_lpass_cpu_platform_probe,
	.remove	= asoc_qcom_lpass_cpu_platform_remove,
};
module_platform_driver(ipq806x_lpass_cpu_platform_driver);

MODULE_DESCRIPTION("QTi LPASS CPU Driver");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
9bae4880 SK	1	/*
	2	* Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 and
	6	* only version 2 as published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*
	13	* lpass-ipq806x.c -- ALSA SoC CPU DAI driver for QTi LPASS
	14	* Splited out the IPQ8064 soc specific from lpass-cpu.c
	15	*/
	16
	17	#include <linux/clk.h>
	18	#include <linux/device.h>
	19	#include <linux/err.h>
	20	#include <linux/kernel.h>
	21	#include <linux/module.h>
	22	#include <linux/of.h>
	23	#include <linux/platform_device.h>
	24	#include <sound/pcm.h>
	25	#include <sound/soc.h>
	26	#include <sound/soc-dai.h>
	27
	28	#include "lpass-lpaif-reg.h"
	29	#include "lpass.h"
	30
	31	enum lpaif_i2s_ports {
	32	IPQ806X_LPAIF_I2S_PORT_CODEC_SPK,
	33	IPQ806X_LPAIF_I2S_PORT_CODEC_MIC,
	34	IPQ806X_LPAIF_I2S_PORT_SEC_SPK,
	35	IPQ806X_LPAIF_I2S_PORT_SEC_MIC,
	36	IPQ806X_LPAIF_I2S_PORT_MI2S,
	37	};
	38
	39	enum lpaif_dma_channels {
	40	IPQ806X_LPAIF_RDMA_CHAN_MI2S,
	41	IPQ806X_LPAIF_RDMA_CHAN_PCM0,
	42	IPQ806X_LPAIF_RDMA_CHAN_PCM1,
	43	};
	44
	45	static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = {
0ae9fd3b	46	.id = IPQ806X_LPAIF_I2S_PORT_MI2S,
9bae4880 SK	47	.playback = {
	48	.stream_name = "lpass-cpu-playback",
	49	.formats = SNDRV_PCM_FMTBIT_S16 \|
	50	SNDRV_PCM_FMTBIT_S24 \|
	51	SNDRV_PCM_FMTBIT_S32,
	52	.rates = SNDRV_PCM_RATE_8000 \|
	53	SNDRV_PCM_RATE_16000 \|
	54	SNDRV_PCM_RATE_32000 \|
	55	SNDRV_PCM_RATE_48000 \|
	56	SNDRV_PCM_RATE_96000,
	57	.rate_min = 8000,
	58	.rate_max = 96000,
	59	.channels_min = 1,
	60	.channels_max = 8,
	61	},
	62	.probe = &asoc_qcom_lpass_cpu_dai_probe,
	63	.ops = &asoc_qcom_lpass_cpu_dai_ops,
	64	};
	65
73c847b6	66	static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir)
6db1c6ba	67	{
0a536400 SK	68	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
	69	return IPQ806X_LPAIF_RDMA_CHAN_MI2S;
	70	else /* Capture currently not implemented */
	71	return -EINVAL;
6db1c6ba SK	72	}
6db1c6ba SK	73
7cc24b16	74	static int ipq806x_lpass_free_dma_channel(struct lpass_data *drvdata, int chan)
6db1c6ba SK	75	{
	76	return 0;
	77	}
	78
eccad574	79	static struct lpass_variant ipq806x_data = {
9bae4880 SK	80	.i2sctrl_reg_base = 0x0010,
	81	.i2sctrl_reg_stride = 0x04,
	82	.i2s_ports = 5,
	83	.irq_reg_base = 0x3000,
	84	.irq_reg_stride = 0x1000,
	85	.irq_ports = 3,
	86	.rdma_reg_base = 0x6000,
	87	.rdma_reg_stride = 0x1000,
	88	.rdma_channels = 4,
0a14a1bf SK	89	.wrdma_reg_base = 0xB000,
	90	.wrdma_reg_stride = 0x1000,
	91	.wrdma_channel_start = 5,
	92	.wrdma_channels = 4,
9bae4880 SK	93	.dai_driver = &ipq806x_lpass_cpu_dai_driver,
9bae4880 SK	94	.num_dai = 1,
97c52eb9 LW	95	.dai_osr_clk_names = (const char *[]) {
	96	"mi2s-osr-clk",
	97	},
	98	.dai_bit_clk_names = (const char *[]) {
	99	"mi2s-bit-clk",
	100	},
6db1c6ba SK	101	.alloc_dma_channel = ipq806x_lpass_alloc_dma_channel,
6db1c6ba SK	102	.free_dma_channel = ipq806x_lpass_free_dma_channel,
9bae4880 SK	103	};
	104
	105	static const struct of_device_id ipq806x_lpass_cpu_device_id[] = {
	106	{ .compatible = "qcom,lpass-cpu", .data = &ipq806x_data },
	107	{}
	108	};
	109	MODULE_DEVICE_TABLE(of, ipq806x_lpass_cpu_device_id);
	110
	111	static struct platform_driver ipq806x_lpass_cpu_platform_driver = {
	112	.driver = {
	113	.name = "lpass-cpu",
	114	.of_match_table = of_match_ptr(ipq806x_lpass_cpu_device_id),
	115	},
	116	.probe = asoc_qcom_lpass_cpu_platform_probe,
	117	.remove = asoc_qcom_lpass_cpu_platform_remove,
	118	};
	119	module_platform_driver(ipq806x_lpass_cpu_platform_driver);
	120
	121	MODULE_DESCRIPTION("QTi LPASS CPU Driver");
	122	MODULE_LICENSE("GPL v2");