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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 294 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.825281744@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
114 lines
3 KiB
C
114 lines
3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved.
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*
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* lpass-ipq806x.c -- ALSA SoC CPU DAI driver for QTi LPASS
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* Splited out the IPQ8064 soc specific from lpass-cpu.c
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*/
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#include <linux/clk.h>
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#include <linux/device.h>
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#include <linux/err.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/platform_device.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/soc-dai.h>
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#include "lpass-lpaif-reg.h"
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#include "lpass.h"
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enum lpaif_i2s_ports {
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IPQ806X_LPAIF_I2S_PORT_CODEC_SPK,
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IPQ806X_LPAIF_I2S_PORT_CODEC_MIC,
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IPQ806X_LPAIF_I2S_PORT_SEC_SPK,
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IPQ806X_LPAIF_I2S_PORT_SEC_MIC,
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IPQ806X_LPAIF_I2S_PORT_MI2S,
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};
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enum lpaif_dma_channels {
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IPQ806X_LPAIF_RDMA_CHAN_MI2S,
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IPQ806X_LPAIF_RDMA_CHAN_PCM0,
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IPQ806X_LPAIF_RDMA_CHAN_PCM1,
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};
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static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = {
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.id = IPQ806X_LPAIF_I2S_PORT_MI2S,
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.playback = {
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.stream_name = "lpass-cpu-playback",
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.formats = SNDRV_PCM_FMTBIT_S16 |
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SNDRV_PCM_FMTBIT_S24 |
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SNDRV_PCM_FMTBIT_S32,
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.rates = SNDRV_PCM_RATE_8000 |
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SNDRV_PCM_RATE_16000 |
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SNDRV_PCM_RATE_32000 |
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SNDRV_PCM_RATE_48000 |
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SNDRV_PCM_RATE_96000,
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.rate_min = 8000,
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.rate_max = 96000,
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.channels_min = 1,
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.channels_max = 8,
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},
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.probe = &asoc_qcom_lpass_cpu_dai_probe,
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.ops = &asoc_qcom_lpass_cpu_dai_ops,
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};
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static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir)
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{
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if (dir == SNDRV_PCM_STREAM_PLAYBACK)
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return IPQ806X_LPAIF_RDMA_CHAN_MI2S;
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else /* Capture currently not implemented */
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return -EINVAL;
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}
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static int ipq806x_lpass_free_dma_channel(struct lpass_data *drvdata, int chan)
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{
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return 0;
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}
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static struct lpass_variant ipq806x_data = {
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.i2sctrl_reg_base = 0x0010,
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.i2sctrl_reg_stride = 0x04,
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.i2s_ports = 5,
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.irq_reg_base = 0x3000,
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.irq_reg_stride = 0x1000,
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.irq_ports = 3,
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.rdma_reg_base = 0x6000,
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.rdma_reg_stride = 0x1000,
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.rdma_channels = 4,
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.wrdma_reg_base = 0xB000,
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.wrdma_reg_stride = 0x1000,
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.wrdma_channel_start = 5,
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.wrdma_channels = 4,
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.dai_driver = &ipq806x_lpass_cpu_dai_driver,
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.num_dai = 1,
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.dai_osr_clk_names = (const char *[]) {
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"mi2s-osr-clk",
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},
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.dai_bit_clk_names = (const char *[]) {
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"mi2s-bit-clk",
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},
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.alloc_dma_channel = ipq806x_lpass_alloc_dma_channel,
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.free_dma_channel = ipq806x_lpass_free_dma_channel,
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};
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static const struct of_device_id ipq806x_lpass_cpu_device_id[] = {
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{ .compatible = "qcom,lpass-cpu", .data = &ipq806x_data },
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{}
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};
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MODULE_DEVICE_TABLE(of, ipq806x_lpass_cpu_device_id);
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static struct platform_driver ipq806x_lpass_cpu_platform_driver = {
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.driver = {
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.name = "lpass-cpu",
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.of_match_table = of_match_ptr(ipq806x_lpass_cpu_device_id),
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},
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.probe = asoc_qcom_lpass_cpu_platform_probe,
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.remove = asoc_qcom_lpass_cpu_platform_remove,
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};
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module_platform_driver(ipq806x_lpass_cpu_platform_driver);
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MODULE_DESCRIPTION("QTi LPASS CPU Driver");
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MODULE_LICENSE("GPL v2");
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