diff options
Diffstat (limited to 'sound/soc/zte')
| -rw-r--r-- | sound/soc/zte/Kconfig | 26 | ||||
| -rw-r--r-- | sound/soc/zte/Makefile | 4 | ||||
| -rw-r--r-- | sound/soc/zte/zx-i2s.c | 452 | ||||
| -rw-r--r-- | sound/soc/zte/zx-spdif.c | 363 | ||||
| -rw-r--r-- | sound/soc/zte/zx-tdm.c | 458 |
5 files changed, 0 insertions, 1303 deletions
diff --git a/sound/soc/zte/Kconfig b/sound/soc/zte/Kconfig deleted file mode 100644 index a23d4f13ca19..000000000000 --- a/sound/soc/zte/Kconfig +++ /dev/null @@ -1,26 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -config ZX_SPDIF - tristate "ZTE ZX SPDIF Driver Support" - depends on ARCH_ZX || COMPILE_TEST - depends on COMMON_CLK - select SND_SOC_GENERIC_DMAENGINE_PCM - help - Say Y or M if you want to add support for codecs attached to the - ZTE ZX SPDIF interface - -config ZX_I2S - tristate "ZTE ZX I2S Driver Support" - depends on ARCH_ZX || COMPILE_TEST - depends on COMMON_CLK - select SND_SOC_GENERIC_DMAENGINE_PCM - help - Say Y or M if you want to add support for codecs attached to the - ZTE ZX I2S interface - -config ZX_TDM - tristate "ZTE ZX TDM Driver Support" - depends on COMMON_CLK - select SND_SOC_GENERIC_DMAENGINE_PCM - help - Say Y or M if you want to add support for codecs attached to the - ZTE ZX TDM interface diff --git a/sound/soc/zte/Makefile b/sound/soc/zte/Makefile deleted file mode 100644 index 2f7cdefa42df..000000000000 --- a/sound/soc/zte/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -obj-$(CONFIG_ZX_SPDIF) += zx-spdif.o -obj-$(CONFIG_ZX_I2S) += zx-i2s.o -obj-$(CONFIG_ZX_TDM) += zx-tdm.o diff --git a/sound/soc/zte/zx-i2s.c b/sound/soc/zte/zx-i2s.c deleted file mode 100644 index 1c1a44e08a67..000000000000 --- a/sound/soc/zte/zx-i2s.c +++ /dev/null @@ -1,452 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2015 Linaro - * - * Author: Jun Nie <jun.nie@linaro.org> - */ - -#include <linux/clk.h> -#include <linux/device.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> -#include <sound/soc-dai.h> - -#include <sound/core.h> -#include <sound/dmaengine_pcm.h> -#include <sound/initval.h> - -#define ZX_I2S_PROCESS_CTRL 0x04 -#define ZX_I2S_TIMING_CTRL 0x08 -#define ZX_I2S_FIFO_CTRL 0x0C -#define ZX_I2S_FIFO_STATUS 0x10 -#define ZX_I2S_INT_EN 0x14 -#define ZX_I2S_INT_STATUS 0x18 -#define ZX_I2S_DATA 0x1C -#define ZX_I2S_FRAME_CNTR 0x20 - -#define I2S_DEAGULT_FIFO_THRES (0x10) -#define I2S_MAX_FIFO_THRES (0x20) - -#define ZX_I2S_PROCESS_TX_EN (1 << 0) -#define ZX_I2S_PROCESS_TX_DIS (0 << 0) -#define ZX_I2S_PROCESS_RX_EN (1 << 1) -#define ZX_I2S_PROCESS_RX_DIS (0 << 1) -#define ZX_I2S_PROCESS_I2S_EN (1 << 2) -#define ZX_I2S_PROCESS_I2S_DIS (0 << 2) - -#define ZX_I2S_TIMING_MAST (1 << 0) -#define ZX_I2S_TIMING_SLAVE (0 << 0) -#define ZX_I2S_TIMING_MS_MASK (1 << 0) -#define ZX_I2S_TIMING_LOOP (1 << 1) -#define ZX_I2S_TIMING_NOR (0 << 1) -#define ZX_I2S_TIMING_LOOP_MASK (1 << 1) -#define ZX_I2S_TIMING_PTNR (1 << 2) -#define ZX_I2S_TIMING_NTPR (0 << 2) -#define ZX_I2S_TIMING_PHASE_MASK (1 << 2) -#define ZX_I2S_TIMING_TDM (1 << 3) -#define ZX_I2S_TIMING_I2S (0 << 3) -#define ZX_I2S_TIMING_TIMING_MASK (1 << 3) -#define ZX_I2S_TIMING_LONG_SYNC (1 << 4) -#define ZX_I2S_TIMING_SHORT_SYNC (0 << 4) -#define ZX_I2S_TIMING_SYNC_MASK (1 << 4) -#define ZX_I2S_TIMING_TEAK_EN (1 << 5) -#define ZX_I2S_TIMING_TEAK_DIS (0 << 5) -#define ZX_I2S_TIMING_TEAK_MASK (1 << 5) -#define ZX_I2S_TIMING_STD_I2S (0 << 6) -#define ZX_I2S_TIMING_MSB_JUSTIF (1 << 6) -#define ZX_I2S_TIMING_LSB_JUSTIF (2 << 6) -#define ZX_I2S_TIMING_ALIGN_MASK (3 << 6) -#define ZX_I2S_TIMING_CHN_MASK (7 << 8) -#define ZX_I2S_TIMING_CHN(x) ((x - 1) << 8) -#define ZX_I2S_TIMING_LANE_MASK (3 << 11) -#define ZX_I2S_TIMING_LANE(x) ((x - 1) << 11) -#define ZX_I2S_TIMING_TSCFG_MASK (7 << 13) -#define ZX_I2S_TIMING_TSCFG(x) (x << 13) -#define ZX_I2S_TIMING_TS_WIDTH_MASK (0x1f << 16) -#define ZX_I2S_TIMING_TS_WIDTH(x) ((x - 1) << 16) -#define ZX_I2S_TIMING_DATA_SIZE_MASK (0x1f << 21) -#define ZX_I2S_TIMING_DATA_SIZE(x) ((x - 1) << 21) -#define ZX_I2S_TIMING_CFG_ERR_MASK (1 << 31) - -#define ZX_I2S_FIFO_CTRL_TX_RST (1 << 0) -#define ZX_I2S_FIFO_CTRL_TX_RST_MASK (1 << 0) -#define ZX_I2S_FIFO_CTRL_RX_RST (1 << 1) -#define ZX_I2S_FIFO_CTRL_RX_RST_MASK (1 << 1) -#define ZX_I2S_FIFO_CTRL_TX_DMA_EN (1 << 4) -#define ZX_I2S_FIFO_CTRL_TX_DMA_DIS (0 << 4) -#define ZX_I2S_FIFO_CTRL_TX_DMA_MASK (1 << 4) -#define ZX_I2S_FIFO_CTRL_RX_DMA_EN (1 << 5) -#define ZX_I2S_FIFO_CTRL_RX_DMA_DIS (0 << 5) -#define ZX_I2S_FIFO_CTRL_RX_DMA_MASK (1 << 5) -#define ZX_I2S_FIFO_CTRL_TX_THRES_MASK (0x1F << 8) -#define ZX_I2S_FIFO_CTRL_RX_THRES_MASK (0x1F << 16) - -#define CLK_RAT (32 * 4) - -struct zx_i2s_info { - struct snd_dmaengine_dai_dma_data dma_playback; - struct snd_dmaengine_dai_dma_data dma_capture; - struct clk *dai_wclk; - struct clk *dai_pclk; - void __iomem *reg_base; - int master; - resource_size_t mapbase; -}; - -static void zx_i2s_tx_en(void __iomem *base, bool on) -{ - unsigned long val; - - val = readl_relaxed(base + ZX_I2S_PROCESS_CTRL); - if (on) - val |= ZX_I2S_PROCESS_TX_EN | ZX_I2S_PROCESS_I2S_EN; - else - val &= ~(ZX_I2S_PROCESS_TX_EN | ZX_I2S_PROCESS_I2S_EN); - writel_relaxed(val, base + ZX_I2S_PROCESS_CTRL); -} - -static void zx_i2s_rx_en(void __iomem *base, bool on) -{ - unsigned long val; - - val = readl_relaxed(base + ZX_I2S_PROCESS_CTRL); - if (on) - val |= ZX_I2S_PROCESS_RX_EN | ZX_I2S_PROCESS_I2S_EN; - else - val &= ~(ZX_I2S_PROCESS_RX_EN | ZX_I2S_PROCESS_I2S_EN); - writel_relaxed(val, base + ZX_I2S_PROCESS_CTRL); -} - -static void zx_i2s_tx_dma_en(void __iomem *base, bool on) -{ - unsigned long val; - - val = readl_relaxed(base + ZX_I2S_FIFO_CTRL); - val |= ZX_I2S_FIFO_CTRL_TX_RST | (I2S_DEAGULT_FIFO_THRES << 8); - if (on) - val |= ZX_I2S_FIFO_CTRL_TX_DMA_EN; - else - val &= ~ZX_I2S_FIFO_CTRL_TX_DMA_EN; - writel_relaxed(val, base + ZX_I2S_FIFO_CTRL); -} - -static void zx_i2s_rx_dma_en(void __iomem *base, bool on) -{ - unsigned long val; - - val = readl_relaxed(base + ZX_I2S_FIFO_CTRL); - val |= ZX_I2S_FIFO_CTRL_RX_RST | (I2S_DEAGULT_FIFO_THRES << 16); - if (on) - val |= ZX_I2S_FIFO_CTRL_RX_DMA_EN; - else - val &= ~ZX_I2S_FIFO_CTRL_RX_DMA_EN; - writel_relaxed(val, base + ZX_I2S_FIFO_CTRL); -} - -#define ZX_I2S_RATES \ - (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \ - SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ - SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000| \ - SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000) - -#define ZX_I2S_FMTBIT \ - (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \ - SNDRV_PCM_FMTBIT_S32_LE) - -static int zx_i2s_dai_probe(struct snd_soc_dai *dai) -{ - struct zx_i2s_info *zx_i2s = dev_get_drvdata(dai->dev); - - snd_soc_dai_set_drvdata(dai, zx_i2s); - zx_i2s->dma_playback.addr = zx_i2s->mapbase + ZX_I2S_DATA; - zx_i2s->dma_playback.maxburst = 16; - zx_i2s->dma_capture.addr = zx_i2s->mapbase + ZX_I2S_DATA; - zx_i2s->dma_capture.maxburst = 16; - snd_soc_dai_init_dma_data(dai, &zx_i2s->dma_playback, - &zx_i2s->dma_capture); - return 0; -} - -static int zx_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) -{ - struct zx_i2s_info *i2s = snd_soc_dai_get_drvdata(cpu_dai); - unsigned long val; - - val = readl_relaxed(i2s->reg_base + ZX_I2S_TIMING_CTRL); - val &= ~(ZX_I2S_TIMING_TIMING_MASK | ZX_I2S_TIMING_ALIGN_MASK | - ZX_I2S_TIMING_TEAK_MASK | ZX_I2S_TIMING_SYNC_MASK | - ZX_I2S_TIMING_MS_MASK); - - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - val |= (ZX_I2S_TIMING_I2S | ZX_I2S_TIMING_STD_I2S); - break; - case SND_SOC_DAIFMT_LEFT_J: - val |= (ZX_I2S_TIMING_I2S | ZX_I2S_TIMING_MSB_JUSTIF); - break; - case SND_SOC_DAIFMT_RIGHT_J: - val |= (ZX_I2S_TIMING_I2S | ZX_I2S_TIMING_LSB_JUSTIF); - break; - default: - dev_err(cpu_dai->dev, "Unknown i2s timing\n"); - return -EINVAL; - } - - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: - /* Codec is master, and I2S is slave. */ - i2s->master = 0; - val |= ZX_I2S_TIMING_SLAVE; - break; - case SND_SOC_DAIFMT_CBS_CFS: - /* Codec is slave, and I2S is master. */ - i2s->master = 1; - val |= ZX_I2S_TIMING_MAST; - break; - default: - dev_err(cpu_dai->dev, "Unknown master/slave format\n"); - return -EINVAL; - } - - writel_relaxed(val, i2s->reg_base + ZX_I2S_TIMING_CTRL); - return 0; -} - -static int zx_i2s_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *socdai) -{ - struct zx_i2s_info *i2s = snd_soc_dai_get_drvdata(socdai); - struct snd_dmaengine_dai_dma_data *dma_data; - unsigned int lane, ch_num, len, ret = 0; - unsigned int ts_width = 32; - unsigned long val; - unsigned long chn_cfg; - - dma_data = snd_soc_dai_get_dma_data(socdai, substream); - dma_data->addr_width = ts_width >> 3; - - val = readl_relaxed(i2s->reg_base + ZX_I2S_TIMING_CTRL); - val &= ~(ZX_I2S_TIMING_TS_WIDTH_MASK | ZX_I2S_TIMING_DATA_SIZE_MASK | - ZX_I2S_TIMING_LANE_MASK | ZX_I2S_TIMING_CHN_MASK | - ZX_I2S_TIMING_TSCFG_MASK); - - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_S16_LE: - len = 16; - break; - case SNDRV_PCM_FORMAT_S24_LE: - len = 24; - break; - case SNDRV_PCM_FORMAT_S32_LE: - len = 32; - break; - default: - dev_err(socdai->dev, "Unknown data format\n"); - return -EINVAL; - } - val |= ZX_I2S_TIMING_TS_WIDTH(ts_width) | ZX_I2S_TIMING_DATA_SIZE(len); - - ch_num = params_channels(params); - switch (ch_num) { - case 1: - lane = 1; - chn_cfg = 2; - break; - case 2: - case 4: - case 6: - case 8: - lane = ch_num / 2; - chn_cfg = 3; - break; - default: - dev_err(socdai->dev, "Not support channel num %d\n", ch_num); - return -EINVAL; - } - val |= ZX_I2S_TIMING_LANE(lane); - val |= ZX_I2S_TIMING_TSCFG(chn_cfg); - val |= ZX_I2S_TIMING_CHN(ch_num); - writel_relaxed(val, i2s->reg_base + ZX_I2S_TIMING_CTRL); - - if (i2s->master) - ret = clk_set_rate(i2s->dai_wclk, - params_rate(params) * ch_num * CLK_RAT); - - return ret; -} - -static int zx_i2s_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) -{ - struct zx_i2s_info *zx_i2s = dev_get_drvdata(dai->dev); - int capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); - int ret = 0; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - if (capture) - zx_i2s_rx_dma_en(zx_i2s->reg_base, true); - else - zx_i2s_tx_dma_en(zx_i2s->reg_base, true); - fallthrough; - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - if (capture) - zx_i2s_rx_en(zx_i2s->reg_base, true); - else - zx_i2s_tx_en(zx_i2s->reg_base, true); - break; - - case SNDRV_PCM_TRIGGER_STOP: - if (capture) - zx_i2s_rx_dma_en(zx_i2s->reg_base, false); - else - zx_i2s_tx_dma_en(zx_i2s->reg_base, false); - fallthrough; - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - if (capture) - zx_i2s_rx_en(zx_i2s->reg_base, false); - else - zx_i2s_tx_en(zx_i2s->reg_base, false); - break; - - default: - ret = -EINVAL; - break; - } - - return ret; -} - -static int zx_i2s_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct zx_i2s_info *zx_i2s = dev_get_drvdata(dai->dev); - int ret; - - ret = clk_prepare_enable(zx_i2s->dai_wclk); - if (ret) - return ret; - - ret = clk_prepare_enable(zx_i2s->dai_pclk); - if (ret) { - clk_disable_unprepare(zx_i2s->dai_wclk); - return ret; - } - - return ret; -} - -static void zx_i2s_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct zx_i2s_info *zx_i2s = dev_get_drvdata(dai->dev); - - clk_disable_unprepare(zx_i2s->dai_wclk); - clk_disable_unprepare(zx_i2s->dai_pclk); -} - -static const struct snd_soc_dai_ops zx_i2s_dai_ops = { - .trigger = zx_i2s_trigger, - .hw_params = zx_i2s_hw_params, - .set_fmt = zx_i2s_set_fmt, - .startup = zx_i2s_startup, - .shutdown = zx_i2s_shutdown, -}; - -static const struct snd_soc_component_driver zx_i2s_component = { - .name = "zx-i2s", -}; - -static struct snd_soc_dai_driver zx_i2s_dai = { - .name = "zx-i2s-dai", - .id = 0, - .probe = zx_i2s_dai_probe, - .playback = { - .channels_min = 1, - .channels_max = 8, - .rates = ZX_I2S_RATES, - .formats = ZX_I2S_FMTBIT, - }, - .capture = { - .channels_min = 1, - .channels_max = 2, - .rates = ZX_I2S_RATES, - .formats = ZX_I2S_FMTBIT, - }, - .ops = &zx_i2s_dai_ops, -}; - -static int zx_i2s_probe(struct platform_device *pdev) -{ - struct resource *res; - struct zx_i2s_info *zx_i2s; - int ret; - - zx_i2s = devm_kzalloc(&pdev->dev, sizeof(*zx_i2s), GFP_KERNEL); - if (!zx_i2s) - return -ENOMEM; - - zx_i2s->dai_wclk = devm_clk_get(&pdev->dev, "wclk"); - if (IS_ERR(zx_i2s->dai_wclk)) { - dev_err(&pdev->dev, "Fail to get wclk\n"); - return PTR_ERR(zx_i2s->dai_wclk); - } - - zx_i2s->dai_pclk = devm_clk_get(&pdev->dev, "pclk"); - if (IS_ERR(zx_i2s->dai_pclk)) { - dev_err(&pdev->dev, "Fail to get pclk\n"); - return PTR_ERR(zx_i2s->dai_pclk); - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - zx_i2s->mapbase = res->start; - zx_i2s->reg_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(zx_i2s->reg_base)) { - dev_err(&pdev->dev, "ioremap failed!\n"); - return PTR_ERR(zx_i2s->reg_base); - } - - writel_relaxed(0, zx_i2s->reg_base + ZX_I2S_FIFO_CTRL); - platform_set_drvdata(pdev, zx_i2s); - - ret = devm_snd_soc_register_component(&pdev->dev, &zx_i2s_component, - &zx_i2s_dai, 1); - if (ret) { - dev_err(&pdev->dev, "Register DAI failed: %d\n", ret); - return ret; - } - - ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); - if (ret) - dev_err(&pdev->dev, "Register platform PCM failed: %d\n", ret); - - return ret; -} - -static const struct of_device_id zx_i2s_dt_ids[] = { - { .compatible = "zte,zx296702-i2s", }, - {} -}; -MODULE_DEVICE_TABLE(of, zx_i2s_dt_ids); - -static struct platform_driver i2s_driver = { - .probe = zx_i2s_probe, - .driver = { - .name = "zx-i2s", - .of_match_table = zx_i2s_dt_ids, - }, -}; - -module_platform_driver(i2s_driver); - -MODULE_AUTHOR("Jun Nie <jun.nie@linaro.org>"); -MODULE_DESCRIPTION("ZTE I2S SoC DAI"); -MODULE_LICENSE("GPL"); diff --git a/sound/soc/zte/zx-spdif.c b/sound/soc/zte/zx-spdif.c deleted file mode 100644 index b4168bd532b7..000000000000 --- a/sound/soc/zte/zx-spdif.c +++ /dev/null @@ -1,363 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2015 Linaro - * - * Author: Jun Nie <jun.nie@linaro.org> - */ - -#include <linux/clk.h> -#include <linux/device.h> -#include <linux/dmaengine.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/of_address.h> -#include <sound/asoundef.h> -#include <sound/core.h> -#include <sound/dmaengine_pcm.h> -#include <sound/initval.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> -#include <sound/soc-dai.h> - -#define ZX_CTRL 0x04 -#define ZX_FIFOCTRL 0x08 -#define ZX_INT_STATUS 0x10 -#define ZX_INT_MASK 0x14 -#define ZX_DATA 0x18 -#define ZX_VALID_BIT 0x1c -#define ZX_CH_STA_1 0x20 -#define ZX_CH_STA_2 0x24 -#define ZX_CH_STA_3 0x28 -#define ZX_CH_STA_4 0x2c -#define ZX_CH_STA_5 0x30 -#define ZX_CH_STA_6 0x34 - -#define ZX_CTRL_MODA_16 (0 << 6) -#define ZX_CTRL_MODA_18 BIT(6) -#define ZX_CTRL_MODA_20 (2 << 6) -#define ZX_CTRL_MODA_24 (3 << 6) -#define ZX_CTRL_MODA_MASK (3 << 6) - -#define ZX_CTRL_ENB BIT(4) -#define ZX_CTRL_DNB (0 << 4) -#define ZX_CTRL_ENB_MASK BIT(4) - -#define ZX_CTRL_TX_OPEN BIT(0) -#define ZX_CTRL_TX_CLOSE (0 << 0) -#define ZX_CTRL_TX_MASK BIT(0) - -#define ZX_CTRL_OPEN (ZX_CTRL_TX_OPEN | ZX_CTRL_ENB) -#define ZX_CTRL_CLOSE (ZX_CTRL_TX_CLOSE | ZX_CTRL_DNB) - -#define ZX_CTRL_DOUBLE_TRACK (0 << 8) -#define ZX_CTRL_LEFT_TRACK BIT(8) -#define ZX_CTRL_RIGHT_TRACK (2 << 8) -#define ZX_CTRL_TRACK_MASK (3 << 8) - -#define ZX_FIFOCTRL_TXTH_MASK (0x1f << 8) -#define ZX_FIFOCTRL_TXTH(x) (x << 8) -#define ZX_FIFOCTRL_TX_DMA_EN BIT(2) -#define ZX_FIFOCTRL_TX_DMA_DIS (0 << 2) -#define ZX_FIFOCTRL_TX_DMA_EN_MASK BIT(2) -#define ZX_FIFOCTRL_TX_FIFO_RST BIT(0) -#define ZX_FIFOCTRL_TX_FIFO_RST_MASK BIT(0) - -#define ZX_VALID_DOUBLE_TRACK (0 << 0) -#define ZX_VALID_LEFT_TRACK BIT(1) -#define ZX_VALID_RIGHT_TRACK (2 << 0) -#define ZX_VALID_TRACK_MASK (3 << 0) - -#define ZX_SPDIF_CLK_RAT (2 * 32) - -struct zx_spdif_info { - struct snd_dmaengine_dai_dma_data dma_data; - struct clk *dai_clk; - void __iomem *reg_base; - resource_size_t mapbase; -}; - -static int zx_spdif_dai_probe(struct snd_soc_dai *dai) -{ - struct zx_spdif_info *zx_spdif = dev_get_drvdata(dai->dev); - - snd_soc_dai_set_drvdata(dai, zx_spdif); - zx_spdif->dma_data.addr = zx_spdif->mapbase + ZX_DATA; - zx_spdif->dma_data.maxburst = 8; - snd_soc_dai_init_dma_data(dai, &zx_spdif->dma_data, NULL); - return 0; -} - -static int zx_spdif_chanstats(void __iomem *base, unsigned int rate) -{ - u32 cstas1; - - switch (rate) { - case 22050: - cstas1 = IEC958_AES3_CON_FS_22050; - break; - case 24000: - cstas1 = IEC958_AES3_CON_FS_24000; - break; - case 32000: - cstas1 = IEC958_AES3_CON_FS_32000; - break; - case 44100: - cstas1 = IEC958_AES3_CON_FS_44100; - break; - case 48000: - cstas1 = IEC958_AES3_CON_FS_48000; - break; - case 88200: - cstas1 = IEC958_AES3_CON_FS_88200; - break; - case 96000: - cstas1 = IEC958_AES3_CON_FS_96000; - break; - case 176400: - cstas1 = IEC958_AES3_CON_FS_176400; - break; - case 192000: - cstas1 = IEC958_AES3_CON_FS_192000; - break; - default: - return -EINVAL; - } - cstas1 = cstas1 << 24; - cstas1 |= IEC958_AES0_CON_NOT_COPYRIGHT; - - writel_relaxed(cstas1, base + ZX_CH_STA_1); - return 0; -} - -static int zx_spdif_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *socdai) -{ - struct zx_spdif_info *zx_spdif = dev_get_drvdata(socdai->dev); - struct zx_spdif_info *spdif = snd_soc_dai_get_drvdata(socdai); - struct snd_dmaengine_dai_dma_data *dma_data = - snd_soc_dai_get_dma_data(socdai, substream); - u32 val, ch_num, rate; - int ret; - - dma_data->addr_width = params_width(params) >> 3; - - val = readl_relaxed(zx_spdif->reg_base + ZX_CTRL); - val &= ~ZX_CTRL_MODA_MASK; - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_S16_LE: - val |= ZX_CTRL_MODA_16; - break; - - case SNDRV_PCM_FORMAT_S18_3LE: - val |= ZX_CTRL_MODA_18; - break; - - case SNDRV_PCM_FORMAT_S20_3LE: - val |= ZX_CTRL_MODA_20; - break; - - case SNDRV_PCM_FORMAT_S24_LE: - val |= ZX_CTRL_MODA_24; - break; - default: - dev_err(socdai->dev, "Format not support!\n"); - return -EINVAL; - } - - ch_num = params_channels(params); - if (ch_num == 2) - val |= ZX_CTRL_DOUBLE_TRACK; - else - val |= ZX_CTRL_LEFT_TRACK; - writel_relaxed(val, zx_spdif->reg_base + ZX_CTRL); - - val = readl_relaxed(zx_spdif->reg_base + ZX_VALID_BIT); - val &= ~ZX_VALID_TRACK_MASK; - if (ch_num == 2) - val |= ZX_VALID_DOUBLE_TRACK; - else - val |= ZX_VALID_RIGHT_TRACK; - writel_relaxed(val, zx_spdif->reg_base + ZX_VALID_BIT); - - rate = params_rate(params); - ret = zx_spdif_chanstats(zx_spdif->reg_base, rate); - if (ret) - return ret; - return clk_set_rate(spdif->dai_clk, rate * ch_num * ZX_SPDIF_CLK_RAT); -} - -static void zx_spdif_cfg_tx(void __iomem *base, int on) -{ - u32 val; - - val = readl_relaxed(base + ZX_CTRL); - val &= ~(ZX_CTRL_ENB_MASK | ZX_CTRL_TX_MASK); - val |= on ? ZX_CTRL_OPEN : ZX_CTRL_CLOSE; - writel_relaxed(val, base + ZX_CTRL); - - val = readl_relaxed(base + ZX_FIFOCTRL); - val &= ~ZX_FIFOCTRL_TX_DMA_EN_MASK; - if (on) - val |= ZX_FIFOCTRL_TX_DMA_EN; - writel_relaxed(val, base + ZX_FIFOCTRL); -} - -static int zx_spdif_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) -{ - u32 val; - struct zx_spdif_info *zx_spdif = dev_get_drvdata(dai->dev); - int ret = 0; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - val = readl_relaxed(zx_spdif->reg_base + ZX_FIFOCTRL); - val |= ZX_FIFOCTRL_TX_FIFO_RST; - writel_relaxed(val, zx_spdif->reg_base + ZX_FIFOCTRL); - fallthrough; - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - zx_spdif_cfg_tx(zx_spdif->reg_base, true); - break; - - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - zx_spdif_cfg_tx(zx_spdif->reg_base, false); - break; - - default: - ret = -EINVAL; - break; - } - - return ret; -} - -static int zx_spdif_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct zx_spdif_info *zx_spdif = dev_get_drvdata(dai->dev); - - return clk_prepare_enable(zx_spdif->dai_clk); -} - -static void zx_spdif_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct zx_spdif_info *zx_spdif = dev_get_drvdata(dai->dev); - - clk_disable_unprepare(zx_spdif->dai_clk); -} - -#define ZX_RATES \ - (SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ - SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |\ - SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000) - -#define ZX_FORMAT \ - (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE \ - | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE) - -static const struct snd_soc_dai_ops zx_spdif_dai_ops = { - .trigger = zx_spdif_trigger, - .startup = zx_spdif_startup, - .shutdown = zx_spdif_shutdown, - .hw_params = zx_spdif_hw_params, -}; - -static struct snd_soc_dai_driver zx_spdif_dai = { - .name = "spdif", - .id = 0, - .probe = zx_spdif_dai_probe, - .playback = { - .channels_min = 1, - .channels_max = 2, - .rates = ZX_RATES, - .formats = ZX_FORMAT, - }, - .ops = &zx_spdif_dai_ops, -}; - -static const struct snd_soc_component_driver zx_spdif_component = { - .name = "spdif", -}; - -static void zx_spdif_dev_init(void __iomem *base) -{ - u32 val; - - writel_relaxed(0, base + ZX_CTRL); - writel_relaxed(0, base + ZX_INT_MASK); - writel_relaxed(0xf, base + ZX_INT_STATUS); - writel_relaxed(0x1, base + ZX_FIFOCTRL); - - val = readl_relaxed(base + ZX_FIFOCTRL); - val &= ~(ZX_FIFOCTRL_TXTH_MASK | ZX_FIFOCTRL_TX_FIFO_RST_MASK); - val |= ZX_FIFOCTRL_TXTH(8); - writel_relaxed(val, base + ZX_FIFOCTRL); -} - -static int zx_spdif_probe(struct platform_device *pdev) -{ - struct resource *res; - struct zx_spdif_info *zx_spdif; - int ret; - - zx_spdif = devm_kzalloc(&pdev->dev, sizeof(*zx_spdif), GFP_KERNEL); - if (!zx_spdif) - return -ENOMEM; - - zx_spdif->dai_clk = devm_clk_get(&pdev->dev, "tx"); - if (IS_ERR(zx_spdif->dai_clk)) { - dev_err(&pdev->dev, "Fail to get clk\n"); - return PTR_ERR(zx_spdif->dai_clk); - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - zx_spdif->mapbase = res->start; - zx_spdif->reg_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(zx_spdif->reg_base)) { - return PTR_ERR(zx_spdif->reg_base); - } - - zx_spdif_dev_init(zx_spdif->reg_base); - platform_set_drvdata(pdev, zx_spdif); - - ret = devm_snd_soc_register_component(&pdev->dev, &zx_spdif_component, - &zx_spdif_dai, 1); - if (ret) { - dev_err(&pdev->dev, "Register DAI failed: %d\n", ret); - return ret; - } - - ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); - if (ret) - dev_err(&pdev->dev, "Register platform PCM failed: %d\n", ret); - - return ret; -} - -static const struct of_device_id zx_spdif_dt_ids[] = { - { .compatible = "zte,zx296702-spdif", }, - {} -}; -MODULE_DEVICE_TABLE(of, zx_spdif_dt_ids); - -static struct platform_driver spdif_driver = { - .probe = zx_spdif_probe, - .driver = { - .name = "zx-spdif", - .of_match_table = zx_spdif_dt_ids, - }, -}; - -module_platform_driver(spdif_driver); - -MODULE_AUTHOR("Jun Nie <jun.nie@linaro.org>"); -MODULE_DESCRIPTION("ZTE SPDIF SoC DAI"); -MODULE_LICENSE("GPL"); diff --git a/sound/soc/zte/zx-tdm.c b/sound/soc/zte/zx-tdm.c deleted file mode 100644 index 4f787185d630..000000000000 --- a/sound/soc/zte/zx-tdm.c +++ /dev/null @@ -1,458 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * ZTE's TDM driver - * - * Copyright (C) 2017 ZTE Ltd - * - * Author: Baoyou Xie <baoyou.xie@linaro.org> - */ - -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/mfd/syscon.h> -#include <linux/module.h> -#include <sound/dmaengine_pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> -#include <sound/soc-dai.h> - -#define REG_TIMING_CTRL 0x04 -#define REG_TX_FIFO_CTRL 0x0C -#define REG_RX_FIFO_CTRL 0x10 -#define REG_INT_EN 0x1C -#define REG_INT_STATUS 0x20 -#define REG_DATABUF 0x24 -#define REG_TS_MASK0 0x44 -#define REG_PROCESS_CTRL 0x54 - -#define FIFO_CTRL_TX_RST BIT(0) -#define FIFO_CTRL_RX_RST BIT(0) -#define DEAGULT_FIFO_THRES GENMASK(4, 2) - -#define FIFO_CTRL_TX_DMA_EN BIT(1) -#define FIFO_CTRL_RX_DMA_EN BIT(1) - -#define TX_FIFO_RST_MASK BIT(0) -#define RX_FIFO_RST_MASK BIT(0) - -#define FIFOCTRL_TX_FIFO_RST BIT(0) -#define FIFOCTRL_RX_FIFO_RST BIT(0) - -#define TXTH_MASK GENMASK(5, 2) -#define RXTH_MASK GENMASK(5, 2) - -#define FIFOCTRL_THRESHOLD(x) ((x) << 2) - -#define TIMING_MS_MASK BIT(1) -/* - * 00: 8 clk cycles every timeslot - * 01: 16 clk cycles every timeslot - * 10: 32 clk cycles every timeslot - */ -#define TIMING_SYNC_WIDTH_MASK GENMASK(6, 5) -#define TIMING_WIDTH_SHIFT 5 -#define TIMING_DEFAULT_WIDTH 0 -#define TIMING_TS_WIDTH(x) ((x) << TIMING_WIDTH_SHIFT) -#define TIMING_WIDTH_FACTOR 8 - -#define TIMING_MASTER_MODE BIT(21) -#define TIMING_LSB_FIRST BIT(20) -#define TIMING_TS_NUM(x) (((x) - 1) << 7) -#define TIMING_CLK_SEL_MASK GENMASK(2, 0) -#define TIMING_CLK_SEL_DEF BIT(2) - -#define PROCESS_TX_EN BIT(0) -#define PROCESS_RX_EN BIT(1) -#define PROCESS_TDM_EN BIT(2) -#define PROCESS_DISABLE_ALL 0 - -#define INT_DISABLE_ALL 0 -#define INT_STATUS_MASK GENMASK(6, 0) - -struct zx_tdm_info { - struct snd_dmaengine_dai_dma_data dma_playback; - struct snd_dmaengine_dai_dma_data dma_capture; - resource_size_t phy_addr; - void __iomem *regbase; - struct clk *dai_wclk; - struct clk *dai_pclk; - int master; - struct device *dev; -}; - -static inline u32 zx_tdm_readl(struct zx_tdm_info *tdm, u16 reg) -{ - return readl_relaxed(tdm->regbase + reg); -} - -static inline void zx_tdm_writel(struct zx_tdm_info *tdm, u16 reg, u32 val) -{ - writel_relaxed(val, tdm->regbase + reg); -} - -static void zx_tdm_tx_en(struct zx_tdm_info *tdm, bool on) -{ - unsigned long val; - - val = zx_tdm_readl(tdm, REG_PROCESS_CTRL); - if (on) - val |= PROCESS_TX_EN | PROCESS_TDM_EN; - else - val &= ~(PROCESS_TX_EN | PROCESS_TDM_EN); - zx_tdm_writel(tdm, REG_PROCESS_CTRL, val); -} - -static void zx_tdm_rx_en(struct zx_tdm_info *tdm, bool on) -{ - unsigned long val; - - val = zx_tdm_readl(tdm, REG_PROCESS_CTRL); - if (on) - val |= PROCESS_RX_EN | PROCESS_TDM_EN; - else - val &= ~(PROCESS_RX_EN | PROCESS_TDM_EN); - zx_tdm_writel(tdm, REG_PROCESS_CTRL, val); -} - -static void zx_tdm_tx_dma_en(struct zx_tdm_info *tdm, bool on) -{ - unsigned long val; - - val = zx_tdm_readl(tdm, REG_TX_FIFO_CTRL); - val |= FIFO_CTRL_TX_RST | DEAGULT_FIFO_THRES; - if (on) - val |= FIFO_CTRL_TX_DMA_EN; - else - val &= ~FIFO_CTRL_TX_DMA_EN; - zx_tdm_writel(tdm, REG_TX_FIFO_CTRL, val); -} - -static void zx_tdm_rx_dma_en(struct zx_tdm_info *tdm, bool on) -{ - unsigned long val; - - val = zx_tdm_readl(tdm, REG_RX_FIFO_CTRL); - val |= FIFO_CTRL_RX_RST | DEAGULT_FIFO_THRES; - if (on) - val |= FIFO_CTRL_RX_DMA_EN; - else - val &= ~FIFO_CTRL_RX_DMA_EN; - zx_tdm_writel(tdm, REG_RX_FIFO_CTRL, val); -} - -#define ZX_TDM_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000) - -#define ZX_TDM_FMTBIT \ - (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_MU_LAW | \ - SNDRV_PCM_FMTBIT_A_LAW) - -static int zx_tdm_dai_probe(struct snd_soc_dai *dai) -{ - struct zx_tdm_info *zx_tdm = dev_get_drvdata(dai->dev); - - snd_soc_dai_set_drvdata(dai, zx_tdm); - zx_tdm->dma_playback.addr = zx_tdm->phy_addr + REG_DATABUF; - zx_tdm->dma_playback.maxburst = 16; - zx_tdm->dma_capture.addr = zx_tdm->phy_addr + REG_DATABUF; - zx_tdm->dma_capture.maxburst = 16; - snd_soc_dai_init_dma_data(dai, &zx_tdm->dma_playback, - &zx_tdm->dma_capture); - return 0; -} - -static int zx_tdm_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) -{ - struct zx_tdm_info *tdm = snd_soc_dai_get_drvdata(cpu_dai); - unsigned long val; - - val = zx_tdm_readl(tdm, REG_TIMING_CTRL); - val &= ~(TIMING_SYNC_WIDTH_MASK | TIMING_MS_MASK); - val |= TIMING_DEFAULT_WIDTH << TIMING_WIDTH_SHIFT; - - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: - tdm->master = 1; - val |= TIMING_MASTER_MODE; - break; - case SND_SOC_DAIFMT_CBS_CFS: - tdm->master = 0; - val &= ~TIMING_MASTER_MODE; - break; - default: - dev_err(cpu_dai->dev, "Unknown master/slave format\n"); - return -EINVAL; - } - - - zx_tdm_writel(tdm, REG_TIMING_CTRL, val); - - return 0; -} - -static int zx_tdm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *socdai) -{ - struct zx_tdm_info *tdm = snd_soc_dai_get_drvdata(socdai); - struct snd_dmaengine_dai_dma_data *dma_data; - unsigned int ts_width = TIMING_DEFAULT_WIDTH; - unsigned int ch_num = 32; - unsigned int mask = 0; - unsigned int ret = 0; - unsigned long val; - - dma_data = snd_soc_dai_get_dma_data(socdai, substream); - dma_data->addr_width = ch_num >> 3; - - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_MU_LAW: - case SNDRV_PCM_FORMAT_A_LAW: - case SNDRV_PCM_FORMAT_S16_LE: - ts_width = 1; - break; - default: - dev_err(socdai->dev, "Unknown data format\n"); - return -EINVAL; - } - - val = zx_tdm_readl(tdm, REG_TIMING_CTRL); - val |= TIMING_TS_WIDTH(ts_width) | TIMING_TS_NUM(1); - zx_tdm_writel(tdm, REG_TIMING_CTRL, val); - zx_tdm_writel(tdm, REG_TS_MASK0, mask); - - if (tdm->master) - ret = clk_set_rate(tdm->dai_wclk, - params_rate(params) * TIMING_WIDTH_FACTOR * ch_num); - - return ret; -} - -static int zx_tdm_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) -{ - int capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); - struct zx_tdm_info *zx_tdm = dev_get_drvdata(dai->dev); - unsigned int val; - int ret = 0; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - if (capture) { - val = zx_tdm_readl(zx_tdm, REG_RX_FIFO_CTRL); - val |= FIFOCTRL_RX_FIFO_RST; - zx_tdm_writel(zx_tdm, REG_RX_FIFO_CTRL, val); - - zx_tdm_rx_dma_en(zx_tdm, true); - } else { - val = zx_tdm_readl(zx_tdm, REG_TX_FIFO_CTRL); - val |= FIFOCTRL_TX_FIFO_RST; - zx_tdm_writel(zx_tdm, REG_TX_FIFO_CTRL, val); - - zx_tdm_tx_dma_en(zx_tdm, true); - } - break; - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - if (capture) - zx_tdm_rx_en(zx_tdm, true); - else - zx_tdm_tx_en(zx_tdm, true); - break; - case SNDRV_PCM_TRIGGER_STOP: - if (capture) - zx_tdm_rx_dma_en(zx_tdm, false); - else - zx_tdm_tx_dma_en(zx_tdm, false); - break; - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - if (capture) - zx_tdm_rx_en(zx_tdm, false); - else - zx_tdm_tx_en(zx_tdm, false); - break; - default: - ret = -EINVAL; - break; - } - - return ret; -} - -static int zx_tdm_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct zx_tdm_info *zx_tdm = dev_get_drvdata(dai->dev); - int ret; - - ret = clk_prepare_enable(zx_tdm->dai_wclk); - if (ret) - return ret; - - ret = clk_prepare_enable(zx_tdm->dai_pclk); - if (ret) { - clk_disable_unprepare(zx_tdm->dai_wclk); - return ret; - } - - return 0; -} - -static void zx_tdm_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct zx_tdm_info *zx_tdm = dev_get_drvdata(dai->dev); - - clk_disable_unprepare(zx_tdm->dai_pclk); - clk_disable_unprepare(zx_tdm->dai_wclk); -} - -static const struct snd_soc_dai_ops zx_tdm_dai_ops = { - .trigger = zx_tdm_trigger, - .hw_params = zx_tdm_hw_params, - .set_fmt = zx_tdm_set_fmt, - .startup = zx_tdm_startup, - .shutdown = zx_tdm_shutdown, -}; - -static const struct snd_soc_component_driver zx_tdm_component = { - .name = "zx-tdm", -}; - -static void zx_tdm_init_state(struct zx_tdm_info *tdm) -{ - unsigned int val; - - zx_tdm_writel(tdm, REG_PROCESS_CTRL, PROCESS_DISABLE_ALL); - - val = zx_tdm_readl(tdm, REG_TIMING_CTRL); - val |= TIMING_LSB_FIRST; - val &= ~TIMING_CLK_SEL_MASK; - val |= TIMING_CLK_SEL_DEF; - zx_tdm_writel(tdm, REG_TIMING_CTRL, val); - - zx_tdm_writel(tdm, REG_INT_EN, INT_DISABLE_ALL); - /* - * write INT_STATUS register to clear it. - */ - zx_tdm_writel(tdm, REG_INT_STATUS, INT_STATUS_MASK); - zx_tdm_writel(tdm, REG_RX_FIFO_CTRL, FIFOCTRL_RX_FIFO_RST); - zx_tdm_writel(tdm, REG_TX_FIFO_CTRL, FIFOCTRL_TX_FIFO_RST); - - val = zx_tdm_readl(tdm, REG_RX_FIFO_CTRL); - val &= ~(RXTH_MASK | RX_FIFO_RST_MASK); - val |= FIFOCTRL_THRESHOLD(8); - zx_tdm_writel(tdm, REG_RX_FIFO_CTRL, val); - - val = zx_tdm_readl(tdm, REG_TX_FIFO_CTRL); - val &= ~(TXTH_MASK | TX_FIFO_RST_MASK); - val |= FIFOCTRL_THRESHOLD(8); - zx_tdm_writel(tdm, REG_TX_FIFO_CTRL, val); -} - -static struct snd_soc_dai_driver zx_tdm_dai = { - .name = "zx-tdm-dai", - .id = 0, - .probe = zx_tdm_dai_probe, - .playback = { - .channels_min = 1, - .channels_max = 4, - .rates = ZX_TDM_RATES, - .formats = ZX_TDM_FMTBIT, - }, - .capture = { - .channels_min = 1, - .channels_max = 4, - .rates = ZX_TDM_RATES, - .formats = ZX_TDM_FMTBIT, - }, - .ops = &zx_tdm_dai_ops, -}; - -static int zx_tdm_probe(struct platform_device *pdev) -{ - struct of_phandle_args out_args; - unsigned int dma_reg_offset; - struct zx_tdm_info *zx_tdm; - unsigned int dma_mask; - struct resource *res; - struct regmap *regmap_sysctrl; - int ret; - - zx_tdm = devm_kzalloc(&pdev->dev, sizeof(*zx_tdm), GFP_KERNEL); - if (!zx_tdm) - return -ENOMEM; - - zx_tdm->dev = &pdev->dev; - - zx_tdm->dai_wclk = devm_clk_get(&pdev->dev, "wclk"); - if (IS_ERR(zx_tdm->dai_wclk)) { - dev_err(&pdev->dev, "Fail to get wclk\n"); - return PTR_ERR(zx_tdm->dai_wclk); - } - - zx_tdm->dai_pclk = devm_clk_get(&pdev->dev, "pclk"); - if (IS_ERR(zx_tdm->dai_pclk)) { - dev_err(&pdev->dev, "Fail to get pclk\n"); - return PTR_ERR(zx_tdm->dai_pclk); - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - zx_tdm->phy_addr = res->start; - zx_tdm->regbase = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(zx_tdm->regbase)) - return PTR_ERR(zx_tdm->regbase); - - ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node, - "zte,tdm-dma-sysctrl", 2, 0, &out_args); - if (ret) { - dev_err(&pdev->dev, "Fail to get zte,tdm-dma-sysctrl\n"); - return ret; - } - - dma_reg_offset = out_args.args[0]; - dma_mask = out_args.args[1]; - regmap_sysctrl = syscon_node_to_regmap(out_args.np); - if (IS_ERR(regmap_sysctrl)) { - of_node_put(out_args.np); - return PTR_ERR(regmap_sysctrl); - } - - regmap_update_bits(regmap_sysctrl, dma_reg_offset, dma_mask, dma_mask); - of_node_put(out_args.np); - - zx_tdm_init_state(zx_tdm); - platform_set_drvdata(pdev, zx_tdm); - - ret = devm_snd_soc_register_component(&pdev->dev, &zx_tdm_component, - &zx_tdm_dai, 1); - if (ret) { - dev_err(&pdev->dev, "Register DAI failed: %d\n", ret); - return ret; - } - - ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); - if (ret) - dev_err(&pdev->dev, "Register platform PCM failed: %d\n", ret); - - return ret; -} - -static const struct of_device_id zx_tdm_dt_ids[] = { - { .compatible = "zte,zx296718-tdm", }, - {} -}; -MODULE_DEVICE_TABLE(of, zx_tdm_dt_ids); - -static struct platform_driver tdm_driver = { - .probe = zx_tdm_probe, - .driver = { - .name = "zx-tdm", - .of_match_table = zx_tdm_dt_ids, - }, -}; -module_platform_driver(tdm_driver); - -MODULE_AUTHOR("Baoyou Xie <baoyou.xie@linaro.org>"); -MODULE_DESCRIPTION("ZTE TDM DAI driver"); -MODULE_LICENSE("GPL v2"); |