From 61fbeb5dcb3debb88d9f2eeed7e599b1ed7e3344 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 20 Jan 2021 17:25:52 +0100 Subject: ASoC: remove sirf prima/atlas drivers The CSR SiRF prima2/atlas platforms are getting removed, so this driver is no longer needed. Signed-off-by: Arnd Bergmann Acked-by: Barry Song Link: https://lore.kernel.org/r/20210120162553.21666-2-arnd@kernel.org Signed-off-by: Mark Brown --- sound/soc/sirf/sirf-usp.c | 435 ---------------------------------------------- 1 file changed, 435 deletions(-) delete mode 100644 sound/soc/sirf/sirf-usp.c (limited to 'sound/soc/sirf/sirf-usp.c') 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 -#include -#include -#include -#include -#include -#include -#include - -#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 "); -MODULE_LICENSE("GPL v2"); -- cgit v1.2.3-59-g8ed1b