1 files changed, 0 insertions, 435 deletions
diff --git a/sound/soc/sirf/sirf-usp.c b/sound/soc/sirf/sirf-usp.c
deleted file mode 100644
index 2af0c6f14ee6..000000000000
--- a/sound/soc/sirf/sirf-usp.c
+++ /dev/null
@@ -1,435 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * SiRF USP in I2S/DSP mode
- *
- * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- */
-#include <linux/module.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/clk.h>
-#include <linux/pm_runtime.h>
-#include <sound/soc.h>
-#include <sound/pcm_params.h>
-#include <sound/dmaengine_pcm.h>
-
-#include "sirf-usp.h"
-
-struct sirf_usp {
-	struct regmap *regmap;
-	struct clk *clk;
-	u32 mode1_reg;
-	u32 mode2_reg;
-	int daifmt_format;
-	struct snd_dmaengine_dai_dma_data playback_dma_data;
-	struct snd_dmaengine_dai_dma_data capture_dma_data;
-};
-
-static void sirf_usp_tx_enable(struct sirf_usp *usp)
-{
-	regmap_update_bits(usp->regmap, USP_TX_FIFO_OP,
-		USP_TX_FIFO_RESET, USP_TX_FIFO_RESET);
-	regmap_write(usp->regmap, USP_TX_FIFO_OP, 0);
-
-	regmap_update_bits(usp->regmap, USP_TX_FIFO_OP,
-		USP_TX_FIFO_START, USP_TX_FIFO_START);
-
-	regmap_update_bits(usp->regmap, USP_TX_RX_ENABLE,
-		USP_TX_ENA, USP_TX_ENA);
-}
-
-static void sirf_usp_tx_disable(struct sirf_usp *usp)
-{
-	regmap_update_bits(usp->regmap, USP_TX_RX_ENABLE,
-		USP_TX_ENA, ~USP_TX_ENA);
-	/* FIFO stop */
-	regmap_write(usp->regmap, USP_TX_FIFO_OP, 0);
-}
-
-static void sirf_usp_rx_enable(struct sirf_usp *usp)
-{
-	regmap_update_bits(usp->regmap, USP_RX_FIFO_OP,
-		USP_RX_FIFO_RESET, USP_RX_FIFO_RESET);
-	regmap_write(usp->regmap, USP_RX_FIFO_OP, 0);
-
-	regmap_update_bits(usp->regmap, USP_RX_FIFO_OP,
-		USP_RX_FIFO_START, USP_RX_FIFO_START);
-
-	regmap_update_bits(usp->regmap, USP_TX_RX_ENABLE,
-		USP_RX_ENA, USP_RX_ENA);
-}
-
-static void sirf_usp_rx_disable(struct sirf_usp *usp)
-{
-	regmap_update_bits(usp->regmap, USP_TX_RX_ENABLE,
-		USP_RX_ENA, ~USP_RX_ENA);
-	/* FIFO stop */
-	regmap_write(usp->regmap, USP_RX_FIFO_OP, 0);
-}
-
-static int sirf_usp_pcm_dai_probe(struct snd_soc_dai *dai)
-{
-	struct sirf_usp *usp = snd_soc_dai_get_drvdata(dai);
-
-	snd_soc_dai_init_dma_data(dai, &usp->playback_dma_data,
-			&usp->capture_dma_data);
-	return 0;
-}
-
-static int sirf_usp_pcm_set_dai_fmt(struct snd_soc_dai *dai,
-		unsigned int fmt)
-{
-	struct sirf_usp *usp = snd_soc_dai_get_drvdata(dai);
-
-	/* set master/slave audio interface */
-	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-	case SND_SOC_DAIFMT_CBM_CFM:
-		break;
-	default:
-		dev_err(dai->dev, "Only CBM and CFM supported\n");
-		return -EINVAL;
-	}
-
-	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
-	case SND_SOC_DAIFMT_I2S:
-	case SND_SOC_DAIFMT_DSP_A:
-		usp->daifmt_format = (fmt & SND_SOC_DAIFMT_FORMAT_MASK);
-		break;
-	default:
-		dev_err(dai->dev, "Only I2S and DSP_A format supported\n");
-		return -EINVAL;
-	}
-
-	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
-	case SND_SOC_DAIFMT_NB_NF:
-		break;
-	case SND_SOC_DAIFMT_IB_NF:
-		usp->daifmt_format |= (fmt & SND_SOC_DAIFMT_INV_MASK);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static void sirf_usp_i2s_init(struct sirf_usp *usp)
-{
-	/* Configure RISC mode */
-	regmap_update_bits(usp->regmap, USP_RISC_DSP_MODE,
-		USP_RISC_DSP_SEL, ~USP_RISC_DSP_SEL);
-
-	/*
-	 * Configure DMA IO Length register
-	 * Set no limit, USP can receive data continuously until it is diabled
-	 */
-	regmap_write(usp->regmap, USP_TX_DMA_IO_LEN, 0);
-	regmap_write(usp->regmap, USP_RX_DMA_IO_LEN, 0);
-
-	/* Configure Mode2 register */
-	regmap_write(usp->regmap, USP_MODE2, (1 << USP_RXD_DELAY_LEN_OFFSET) |
-		(0 << USP_TXD_DELAY_LEN_OFFSET) |
-		USP_TFS_CLK_SLAVE_MODE | USP_RFS_CLK_SLAVE_MODE);
-
-	/* Configure Mode1 register */
-	regmap_write(usp->regmap, USP_MODE1,
-		USP_SYNC_MODE | USP_EN | USP_TXD_ACT_EDGE_FALLING |
-		USP_RFS_ACT_LEVEL_LOGIC1 | USP_TFS_ACT_LEVEL_LOGIC1 |
-		USP_TX_UFLOW_REPEAT_ZERO | USP_CLOCK_MODE_SLAVE);
-
-	/* Configure RX DMA IO Control register */
-	regmap_write(usp->regmap, USP_RX_DMA_IO_CTRL, 0);
-
-	/* Congiure RX FIFO Control register */
-	regmap_write(usp->regmap, USP_RX_FIFO_CTRL,
-		(USP_RX_FIFO_THRESHOLD << USP_RX_FIFO_THD_OFFSET) |
-		(USP_TX_RX_FIFO_WIDTH_DWORD << USP_RX_FIFO_WIDTH_OFFSET));
-
-	/* Congiure RX FIFO Level Check register */
-	regmap_write(usp->regmap, USP_RX_FIFO_LEVEL_CHK,
-		RX_FIFO_SC(0x04) | RX_FIFO_LC(0x0E) | RX_FIFO_HC(0x1B));
-
-	/* Configure TX DMA IO Control register*/
-	regmap_write(usp->regmap, USP_TX_DMA_IO_CTRL, 0);
-
-	/* Configure TX FIFO Control register */
-	regmap_write(usp->regmap, USP_TX_FIFO_CTRL,
-		(USP_TX_FIFO_THRESHOLD << USP_TX_FIFO_THD_OFFSET) |
-		(USP_TX_RX_FIFO_WIDTH_DWORD << USP_TX_FIFO_WIDTH_OFFSET));
-	/* Congiure TX FIFO Level Check register */
-	regmap_write(usp->regmap, USP_TX_FIFO_LEVEL_CHK,
-		TX_FIFO_SC(0x1B) | TX_FIFO_LC(0x0E) | TX_FIFO_HC(0x04));
-}
-
-static int sirf_usp_pcm_hw_params(struct snd_pcm_substream *substream,
-		struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
-{
-	struct sirf_usp *usp = snd_soc_dai_get_drvdata(dai);
-	u32 data_len, frame_len, shifter_len;
-
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S16_LE:
-		data_len = 16;
-		frame_len = 16;
-		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
-		data_len = 24;
-		frame_len = 32;
-		break;
-	case SNDRV_PCM_FORMAT_S24_3LE:
-		data_len = 24;
-		frame_len = 24;
-		break;
-	default:
-		dev_err(dai->dev, "Format unsupported\n");
-		return -EINVAL;
-	}
-
-	shifter_len = data_len;
-
-	switch (usp->daifmt_format & SND_SOC_DAIFMT_FORMAT_MASK) {
-	case SND_SOC_DAIFMT_I2S:
-		regmap_update_bits(usp->regmap, USP_RX_FRAME_CTRL,
-			USP_I2S_SYNC_CHG, USP_I2S_SYNC_CHG);
-		break;
-	case SND_SOC_DAIFMT_DSP_A:
-		regmap_update_bits(usp->regmap, USP_RX_FRAME_CTRL,
-			USP_I2S_SYNC_CHG, 0);
-		frame_len = data_len * params_channels(params);
-		data_len = frame_len;
-		break;
-	default:
-		dev_err(dai->dev, "Only support I2S and DSP_A mode\n");
-		return -EINVAL;
-	}
-
-	switch (usp->daifmt_format & SND_SOC_DAIFMT_INV_MASK) {
-	case SND_SOC_DAIFMT_NB_NF:
-		break;
-	case SND_SOC_DAIFMT_IB_NF:
-		regmap_update_bits(usp->regmap, USP_MODE1,
-			USP_RXD_ACT_EDGE_FALLING | USP_TXD_ACT_EDGE_FALLING,
-			USP_RXD_ACT_EDGE_FALLING);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		regmap_update_bits(usp->regmap, USP_TX_FRAME_CTRL,
-			USP_TXC_DATA_LEN_MASK | USP_TXC_FRAME_LEN_MASK
-			| USP_TXC_SHIFTER_LEN_MASK | USP_TXC_SLAVE_CLK_SAMPLE,
-			((data_len - 1) << USP_TXC_DATA_LEN_OFFSET)
-			| ((frame_len - 1) << USP_TXC_FRAME_LEN_OFFSET)
-			| ((shifter_len - 1) << USP_TXC_SHIFTER_LEN_OFFSET)
-			| USP_TXC_SLAVE_CLK_SAMPLE);
-	else
-		regmap_update_bits(usp->regmap, USP_RX_FRAME_CTRL,
-			USP_RXC_DATA_LEN_MASK | USP_RXC_FRAME_LEN_MASK
-			| USP_RXC_SHIFTER_LEN_MASK | USP_SINGLE_SYNC_MODE,
-			((data_len - 1) << USP_RXC_DATA_LEN_OFFSET)
-			| ((frame_len - 1) << USP_RXC_FRAME_LEN_OFFSET)
-			| ((shifter_len - 1) << USP_RXC_SHIFTER_LEN_OFFSET)
-			| USP_SINGLE_SYNC_MODE);
-
-	return 0;
-}
-
-static int sirf_usp_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
-				struct snd_soc_dai *dai)
-{
-	struct sirf_usp *usp = snd_soc_dai_get_drvdata(dai);
-
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-	case SNDRV_PCM_TRIGGER_RESUME:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			sirf_usp_tx_enable(usp);
-		else
-			sirf_usp_rx_enable(usp);
-		break;
-	case SNDRV_PCM_TRIGGER_STOP:
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			sirf_usp_tx_disable(usp);
-		else
-			sirf_usp_rx_disable(usp);
-		break;
-	}
-
-	return 0;
-}
-
-static const struct snd_soc_dai_ops sirf_usp_pcm_dai_ops = {
-	.trigger = sirf_usp_pcm_trigger,
-	.set_fmt = sirf_usp_pcm_set_dai_fmt,
-	.hw_params = sirf_usp_pcm_hw_params,
-};
-
-static struct snd_soc_dai_driver sirf_usp_pcm_dai = {
-	.probe = sirf_usp_pcm_dai_probe,
-	.name = "sirf-usp-pcm",
-	.id = 0,
-	.playback = {
-		.stream_name = "SiRF USP PCM Playback",
-		.channels_min = 1,
-		.channels_max = 2,
-		.rates = SNDRV_PCM_RATE_8000_192000,
-		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
-			SNDRV_PCM_FMTBIT_S24_3LE,
-	},
-	.capture = {
-		.stream_name = "SiRF USP PCM Capture",
-		.channels_min = 1,
-		.channels_max = 2,
-		.rates = SNDRV_PCM_RATE_8000_192000,
-		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
-			SNDRV_PCM_FMTBIT_S24_3LE,
-	},
-	.ops = &sirf_usp_pcm_dai_ops,
-};
-
-static int sirf_usp_pcm_runtime_suspend(struct device *dev)
-{
-	struct sirf_usp *usp = dev_get_drvdata(dev);
-
-	clk_disable_unprepare(usp->clk);
-	return 0;
-}
-
-static int sirf_usp_pcm_runtime_resume(struct device *dev)
-{
-	struct sirf_usp *usp = dev_get_drvdata(dev);
-	int ret;
-
-	ret = clk_prepare_enable(usp->clk);
-	if (ret) {
-		dev_err(dev, "clk_enable failed: %d\n", ret);
-		return ret;
-	}
-	sirf_usp_i2s_init(usp);
-	return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int sirf_usp_pcm_suspend(struct device *dev)
-{
-	struct sirf_usp *usp = dev_get_drvdata(dev);
-
-	if (!pm_runtime_status_suspended(dev)) {
-		regmap_read(usp->regmap, USP_MODE1, &usp->mode1_reg);
-		regmap_read(usp->regmap, USP_MODE2, &usp->mode2_reg);
-		sirf_usp_pcm_runtime_suspend(dev);
-	}
-	return 0;
-}
-
-static int sirf_usp_pcm_resume(struct device *dev)
-{
-	struct sirf_usp *usp = dev_get_drvdata(dev);
-	int ret;
-
-	if (!pm_runtime_status_suspended(dev)) {
-		ret = sirf_usp_pcm_runtime_resume(dev);
-		if (ret)
-			return ret;
-		regmap_write(usp->regmap, USP_MODE1, usp->mode1_reg);
-		regmap_write(usp->regmap, USP_MODE2, usp->mode2_reg);
-	}
-	return 0;
-}
-#endif
-
-static const struct snd_soc_component_driver sirf_usp_component = {
-	.name		= "sirf-usp",
-};
-
-static const struct regmap_config sirf_usp_regmap_config = {
-	.reg_bits = 32,
-	.reg_stride = 4,
-	.val_bits = 32,
-	.max_register = USP_RX_FIFO_DATA,
-	.cache_type = REGCACHE_NONE,
-};
-
-static int sirf_usp_pcm_probe(struct platform_device *pdev)
-{
-	int ret;
-	struct sirf_usp *usp;
-	void __iomem *base;
-
-	usp = devm_kzalloc(&pdev->dev, sizeof(struct sirf_usp),
-			GFP_KERNEL);
-	if (!usp)
-		return -ENOMEM;
-
-	platform_set_drvdata(pdev, usp);
-
-	base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
-	usp->regmap = devm_regmap_init_mmio(&pdev->dev, base,
-					    &sirf_usp_regmap_config);
-	if (IS_ERR(usp->regmap))
-		return PTR_ERR(usp->regmap);
-
-	usp->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(usp->clk)) {
-		dev_err(&pdev->dev, "Get clock failed.\n");
-		return PTR_ERR(usp->clk);
-	}
-
-	pm_runtime_enable(&pdev->dev);
-	if (!pm_runtime_enabled(&pdev->dev)) {
-		ret = sirf_usp_pcm_runtime_resume(&pdev->dev);
-		if (ret)
-			return ret;
-	}
-
-	ret = devm_snd_soc_register_component(&pdev->dev, &sirf_usp_component,
-		&sirf_usp_pcm_dai, 1);
-	if (ret) {
-		dev_err(&pdev->dev, "Register Audio SoC dai failed.\n");
-		return ret;
-	}
-	return devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
-}
-
-static int sirf_usp_pcm_remove(struct platform_device *pdev)
-{
-	if (!pm_runtime_enabled(&pdev->dev))
-		sirf_usp_pcm_runtime_suspend(&pdev->dev);
-	else
-		pm_runtime_disable(&pdev->dev);
-	return 0;
-}
-
-static const struct of_device_id sirf_usp_pcm_of_match[] = {
-	{ .compatible = "sirf,prima2-usp-pcm", },
-	{}
-};
-MODULE_DEVICE_TABLE(of, sirf_usp_pcm_of_match);
-
-static const struct dev_pm_ops sirf_usp_pcm_pm_ops = {
-	SET_RUNTIME_PM_OPS(sirf_usp_pcm_runtime_suspend,
-		sirf_usp_pcm_runtime_resume, NULL)
-	SET_SYSTEM_SLEEP_PM_OPS(sirf_usp_pcm_suspend, sirf_usp_pcm_resume)
-};
-
-static struct platform_driver sirf_usp_pcm_driver = {
-	.driver = {
-		.name = "sirf-usp-pcm",
-		.of_match_table = sirf_usp_pcm_of_match,
-		.pm = &sirf_usp_pcm_pm_ops,
-	},
-	.probe = sirf_usp_pcm_probe,
-	.remove = sirf_usp_pcm_remove,
-};
-
-module_platform_driver(sirf_usp_pcm_driver);
-
-MODULE_DESCRIPTION("SiRF SoC USP PCM bus driver");
-MODULE_AUTHOR("RongJun Ying <Rongjun.Ying@csr.com>");
-MODULE_LICENSE("GPL v2");