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-rw-r--r--kernel/sound/soc/sti/Kconfig11
-rw-r--r--kernel/sound/soc/sti/Makefile4
-rw-r--r--kernel/sound/soc/sti/sti_uniperif.c254
-rw-r--r--kernel/sound/soc/sti/uniperif.h1229
-rw-r--r--kernel/sound/soc/sti/uniperif_player.c1119
-rw-r--r--kernel/sound/soc/sti/uniperif_reader.c365
6 files changed, 2982 insertions, 0 deletions
diff --git a/kernel/sound/soc/sti/Kconfig b/kernel/sound/soc/sti/Kconfig
new file mode 100644
index 000000000..64a690077
--- /dev/null
+++ b/kernel/sound/soc/sti/Kconfig
@@ -0,0 +1,11 @@
+#
+# STM SoC audio configuration
+#
+menuconfig SND_SOC_STI
+ tristate "SoC Audio support for STI System-On-Chip"
+ depends on SND_SOC
+ depends on ARCH_STI || COMPILE_TEST
+ select SND_SOC_GENERIC_DMAENGINE_PCM
+ help
+ Say Y if you want to enable ASoC-support for
+ any of the STI platforms (e.g. STIH416).
diff --git a/kernel/sound/soc/sti/Makefile b/kernel/sound/soc/sti/Makefile
new file mode 100644
index 000000000..4b188d2d7
--- /dev/null
+++ b/kernel/sound/soc/sti/Makefile
@@ -0,0 +1,4 @@
+# STI platform support
+snd-soc-sti-objs := sti_uniperif.o uniperif_player.o uniperif_reader.o
+
+obj-$(CONFIG_SND_SOC_STI) += snd-soc-sti.o
diff --git a/kernel/sound/soc/sti/sti_uniperif.c b/kernel/sound/soc/sti/sti_uniperif.c
new file mode 100644
index 000000000..39bcefe5e
--- /dev/null
+++ b/kernel/sound/soc/sti/sti_uniperif.c
@@ -0,0 +1,254 @@
+/*
+ * Copyright (C) STMicroelectronics SA 2015
+ * Authors: Arnaud Pouliquen <arnaud.pouliquen@st.com>
+ * for STMicroelectronics.
+ * License terms: GNU General Public License (GPL), version 2
+ */
+
+#include <linux/module.h>
+#include <linux/pinctrl/consumer.h>
+
+#include "uniperif.h"
+
+/*
+ * sti_uniperiph_dai_create_ctrl
+ * This function is used to create Ctrl associated to DAI but also pcm device.
+ * Request is done by front end to associate ctrl with pcm device id
+ */
+static int sti_uniperiph_dai_create_ctrl(struct snd_soc_dai *dai)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *uni = priv->dai_data.uni;
+ struct snd_kcontrol_new *ctrl;
+ int i;
+
+ if (!uni->num_ctrls)
+ return 0;
+
+ for (i = 0; i < uni->num_ctrls; i++) {
+ /*
+ * Several Control can have same name. Controls are indexed on
+ * Uniperipheral instance ID
+ */
+ ctrl = &uni->snd_ctrls[i];
+ ctrl->index = uni->info->id;
+ ctrl->device = uni->info->id;
+ }
+
+ return snd_soc_add_dai_controls(dai, uni->snd_ctrls, uni->num_ctrls);
+}
+
+/*
+ * DAI
+ */
+int sti_uniperiph_dai_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_dmaengine_dai_dma_data *dma_data;
+ int transfer_size;
+
+ transfer_size = params_channels(params) * UNIPERIF_FIFO_FRAMES;
+
+ dma_data = snd_soc_dai_get_dma_data(dai, substream);
+ dma_data->maxburst = transfer_size;
+
+ return 0;
+}
+
+int sti_uniperiph_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+
+ priv->dai_data.uni->daifmt = fmt;
+
+ return 0;
+}
+
+static int sti_uniperiph_dai_suspend(struct snd_soc_dai *dai)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *uni = priv->dai_data.uni;
+ int ret;
+
+ /* The uniperipheral should be in stopped state */
+ if (uni->state != UNIPERIF_STATE_STOPPED) {
+ dev_err(uni->dev, "%s: invalid uni state( %d)",
+ __func__, (int)uni->state);
+ return -EBUSY;
+ }
+
+ /* Pinctrl: switch pinstate to sleep */
+ ret = pinctrl_pm_select_sleep_state(uni->dev);
+ if (ret)
+ dev_err(uni->dev, "%s: failed to select pinctrl state",
+ __func__);
+
+ return ret;
+}
+
+static int sti_uniperiph_dai_resume(struct snd_soc_dai *dai)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *uni = priv->dai_data.uni;
+ int ret;
+
+ if (of_device_is_compatible(dai->dev->of_node, "st,sti-uni-player")) {
+ ret = uni_player_resume(uni);
+ if (ret)
+ return ret;
+ }
+
+ /* pinctrl: switch pinstate to default */
+ ret = pinctrl_pm_select_default_state(uni->dev);
+ if (ret)
+ dev_err(uni->dev, "%s: failed to select pinctrl state",
+ __func__);
+
+ return ret;
+}
+
+static int sti_uniperiph_dai_probe(struct snd_soc_dai *dai)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct sti_uniperiph_dai *dai_data = &priv->dai_data;
+
+ /* DMA settings*/
+ if (of_device_is_compatible(dai->dev->of_node, "st,sti-uni-player"))
+ snd_soc_dai_init_dma_data(dai, &dai_data->dma_data, NULL);
+ else
+ snd_soc_dai_init_dma_data(dai, NULL, &dai_data->dma_data);
+
+ dai_data->dma_data.addr = dai_data->uni->fifo_phys_address;
+ dai_data->dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+
+ return sti_uniperiph_dai_create_ctrl(dai);
+}
+
+static const struct snd_soc_dai_driver sti_uniperiph_dai_template = {
+ .probe = sti_uniperiph_dai_probe,
+ .suspend = sti_uniperiph_dai_suspend,
+ .resume = sti_uniperiph_dai_resume
+};
+
+static const struct snd_soc_component_driver sti_uniperiph_dai_component = {
+ .name = "sti_cpu_dai",
+};
+
+static int sti_uniperiph_cpu_dai_of(struct device_node *node,
+ struct sti_uniperiph_data *priv)
+{
+ const char *str;
+ int ret;
+ struct device *dev = &priv->pdev->dev;
+ struct sti_uniperiph_dai *dai_data = &priv->dai_data;
+ struct snd_soc_dai_driver *dai = priv->dai;
+ struct snd_soc_pcm_stream *stream;
+ struct uniperif *uni;
+
+ uni = devm_kzalloc(dev, sizeof(*uni), GFP_KERNEL);
+ if (!uni)
+ return -ENOMEM;
+
+ *dai = sti_uniperiph_dai_template;
+ ret = of_property_read_string(node, "dai-name", &str);
+ if (ret < 0) {
+ dev_err(dev, "%s: dai name missing.\n", __func__);
+ return -EINVAL;
+ }
+ dai->name = str;
+
+ /* Get resources */
+ uni->mem_region = platform_get_resource(priv->pdev, IORESOURCE_MEM, 0);
+
+ if (!uni->mem_region) {
+ dev_err(dev, "Failed to get memory resource");
+ return -ENODEV;
+ }
+
+ uni->base = devm_ioremap_resource(dev, uni->mem_region);
+
+ if (IS_ERR(uni->base))
+ return PTR_ERR(uni->base);
+
+ uni->fifo_phys_address = uni->mem_region->start +
+ UNIPERIF_FIFO_DATA_OFFSET(uni);
+
+ uni->irq = platform_get_irq(priv->pdev, 0);
+ if (uni->irq < 0) {
+ dev_err(dev, "Failed to get IRQ resource");
+ return -ENXIO;
+ }
+
+ dai_data->uni = uni;
+
+ if (of_device_is_compatible(node, "st,sti-uni-player")) {
+ uni_player_init(priv->pdev, uni);
+ stream = &dai->playback;
+ } else {
+ uni_reader_init(priv->pdev, uni);
+ stream = &dai->capture;
+ }
+ dai->ops = uni->dai_ops;
+
+ stream->stream_name = dai->name;
+ stream->channels_min = uni->hw->channels_min;
+ stream->channels_max = uni->hw->channels_max;
+ stream->rates = uni->hw->rates;
+ stream->formats = uni->hw->formats;
+
+ return 0;
+}
+
+static const struct snd_dmaengine_pcm_config dmaengine_pcm_config = {
+ .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
+};
+
+static int sti_uniperiph_probe(struct platform_device *pdev)
+{
+ struct sti_uniperiph_data *priv;
+ struct device_node *node = pdev->dev.of_node;
+ int ret;
+
+ /* Allocate the private data and the CPU_DAI array */
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+ priv->dai = devm_kzalloc(&pdev->dev, sizeof(*priv->dai), GFP_KERNEL);
+ if (!priv->dai)
+ return -ENOMEM;
+
+ priv->pdev = pdev;
+
+ ret = sti_uniperiph_cpu_dai_of(node, priv);
+
+ dev_set_drvdata(&pdev->dev, priv);
+
+ ret = devm_snd_soc_register_component(&pdev->dev,
+ &sti_uniperiph_dai_component,
+ priv->dai, 1);
+ if (ret < 0)
+ return ret;
+
+ return devm_snd_dmaengine_pcm_register(&pdev->dev,
+ &dmaengine_pcm_config, 0);
+}
+
+static const struct of_device_id snd_soc_sti_match[] = {
+ { .compatible = "st,sti-uni-player", },
+ { .compatible = "st,sti-uni-reader", },
+ {},
+};
+
+static struct platform_driver sti_uniperiph_driver = {
+ .driver = {
+ .name = "sti-uniperiph-dai",
+ .of_match_table = snd_soc_sti_match,
+ },
+ .probe = sti_uniperiph_probe,
+};
+module_platform_driver(sti_uniperiph_driver);
+
+MODULE_DESCRIPTION("uniperipheral DAI driver");
+MODULE_AUTHOR("Arnaud Pouliquen <arnaud.pouliquen@st.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/kernel/sound/soc/sti/uniperif.h b/kernel/sound/soc/sti/uniperif.h
new file mode 100644
index 000000000..f0fd5a994
--- /dev/null
+++ b/kernel/sound/soc/sti/uniperif.h
@@ -0,0 +1,1229 @@
+/*
+ * Copyright (C) STMicroelectronics SA 2015
+ * Authors: Arnaud Pouliquen <arnaud.pouliquen@st.com>
+ * for STMicroelectronics.
+ * License terms: GNU General Public License (GPL), version 2
+ */
+
+#ifndef __SND_ST_AUD_UNIPERIF_H
+#define __SND_ST_AUD_UNIPERIF_H
+
+#include <linux/regmap.h>
+
+#include <sound/dmaengine_pcm.h>
+
+/*
+ * Register access macros
+ */
+
+#define GET_UNIPERIF_REG(ip, offset, shift, mask) \
+ ((readl_relaxed(ip->base + offset) >> shift) & mask)
+#define SET_UNIPERIF_REG(ip, offset, shift, mask, value) \
+ writel_relaxed(((readl_relaxed(ip->base + offset) & \
+ ~(mask << shift)) | (((value) & mask) << shift)), ip->base + offset)
+#define SET_UNIPERIF_BIT_REG(ip, offset, shift, mask, value) \
+ writel_relaxed((((value) & mask) << shift), ip->base + offset)
+
+/*
+ * AUD_UNIPERIF_SOFT_RST reg
+ */
+
+#define UNIPERIF_SOFT_RST_OFFSET(ip) 0x0000
+#define GET_UNIPERIF_SOFT_RST(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? \
+ readl_relaxed(ip->base + UNIPERIF_SOFT_RST_OFFSET(ip)) : 0)
+#define SET_UNIPERIF_SOFT_RST(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_SOFT_RST_OFFSET(ip))
+
+/* SOFT_RST */
+#define UNIPERIF_SOFT_RST_SOFT_RST_SHIFT(ip) 0x0
+#define UNIPERIF_SOFT_RST_SOFT_RST_MASK(ip) 0x1
+#define SET_UNIPERIF_SOFT_RST_SOFT_RST(ip) \
+ SET_UNIPERIF_BIT_REG(ip, \
+ UNIPERIF_SOFT_RST_OFFSET(ip), \
+ UNIPERIF_SOFT_RST_SOFT_RST_SHIFT(ip), \
+ UNIPERIF_SOFT_RST_SOFT_RST_MASK(ip), 1)
+#define GET_UNIPERIF_SOFT_RST_SOFT_RST(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_SOFT_RST_OFFSET(ip), \
+ UNIPERIF_SOFT_RST_SOFT_RST_SHIFT(ip), \
+ UNIPERIF_SOFT_RST_SOFT_RST_MASK(ip))
+
+/*
+ * AUD_UNIPERIF_FIFO_DATA reg
+ */
+
+#define UNIPERIF_FIFO_DATA_OFFSET(ip) 0x0004
+#define SET_UNIPERIF_DATA(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_FIFO_DATA_OFFSET(ip))
+
+/*
+ * AUD_UNIPERIF_CHANNEL_STA_REGN reg
+ */
+
+#define UNIPERIF_CHANNEL_STA_REGN(ip, n) (0x0060 + (4 * n))
+#define GET_UNIPERIF_CHANNEL_STA_REGN(ip) \
+ readl_relaxed(ip->base + UNIPERIF_CHANNEL_STA_REGN(ip, n))
+#define SET_UNIPERIF_CHANNEL_STA_REGN(ip, n, value) \
+ writel_relaxed(value, ip->base + \
+ UNIPERIF_CHANNEL_STA_REGN(ip, n))
+
+#define UNIPERIF_CHANNEL_STA_REG0_OFFSET(ip) 0x0060
+#define GET_UNIPERIF_CHANNEL_STA_REG0(ip) \
+ readl_relaxed(ip->base + UNIPERIF_CHANNEL_STA_REG0_OFFSET(ip))
+#define SET_UNIPERIF_CHANNEL_STA_REG0(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_CHANNEL_STA_REG0_OFFSET(ip))
+
+#define UNIPERIF_CHANNEL_STA_REG1_OFFSET(ip) 0x0064
+#define GET_UNIPERIF_CHANNEL_STA_REG1(ip) \
+ readl_relaxed(ip->base + UNIPERIF_CHANNEL_STA_REG1_OFFSET(ip))
+#define SET_UNIPERIF_CHANNEL_STA_REG1(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_CHANNEL_STA_REG1_OFFSET(ip))
+
+#define UNIPERIF_CHANNEL_STA_REG2_OFFSET(ip) 0x0068
+#define GET_UNIPERIF_CHANNEL_STA_REG2(ip) \
+ readl_relaxed(ip->base + UNIPERIF_CHANNEL_STA_REG2_OFFSET(ip))
+#define SET_UNIPERIF_CHANNEL_STA_REG2(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_CHANNEL_STA_REG2_OFFSET(ip))
+
+#define UNIPERIF_CHANNEL_STA_REG3_OFFSET(ip) 0x006C
+#define GET_UNIPERIF_CHANNEL_STA_REG3(ip) \
+ readl_relaxed(ip->base + UNIPERIF_CHANNEL_STA_REG3_OFFSET(ip))
+#define SET_UNIPERIF_CHANNEL_STA_REG3(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_CHANNEL_STA_REG3_OFFSET(ip))
+
+#define UNIPERIF_CHANNEL_STA_REG4_OFFSET(ip) 0x0070
+#define GET_UNIPERIF_CHANNEL_STA_REG4(ip) \
+ readl_relaxed(ip->base + UNIPERIF_CHANNEL_STA_REG4_OFFSET(ip))
+#define SET_UNIPERIF_CHANNEL_STA_REG4(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_CHANNEL_STA_REG4_OFFSET(ip))
+
+#define UNIPERIF_CHANNEL_STA_REG5_OFFSET(ip) 0x0074
+#define GET_UNIPERIF_CHANNEL_STA_REG5(ip) \
+ readl_relaxed(ip->base + UNIPERIF_CHANNEL_STA_REG5_OFFSET(ip))
+#define SET_UNIPERIF_CHANNEL_STA_REG5(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_CHANNEL_STA_REG5_OFFSET(ip))
+
+/*
+ * AUD_UNIPERIF_ITS reg
+ */
+
+#define UNIPERIF_ITS_OFFSET(ip) 0x000C
+#define GET_UNIPERIF_ITS(ip) \
+ readl_relaxed(ip->base + UNIPERIF_ITS_OFFSET(ip))
+
+/* MEM_BLK_READ */
+#define UNIPERIF_ITS_MEM_BLK_READ_SHIFT(ip) 5
+#define UNIPERIF_ITS_MEM_BLK_READ_MASK(ip) \
+ (BIT(UNIPERIF_ITS_MEM_BLK_READ_SHIFT(ip)))
+
+/* FIFO_ERROR */
+#define UNIPERIF_ITS_FIFO_ERROR_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 0 : 8)
+#define UNIPERIF_ITS_FIFO_ERROR_MASK(ip) \
+ (BIT(UNIPERIF_ITS_FIFO_ERROR_SHIFT(ip)))
+
+/* DMA_ERROR */
+#define UNIPERIF_ITS_DMA_ERROR_SHIFT(ip) 9
+#define UNIPERIF_ITS_DMA_ERROR_MASK(ip) \
+ (BIT(UNIPERIF_ITS_DMA_ERROR_SHIFT(ip)))
+
+/* UNDERFLOW_REC_DONE */
+#define UNIPERIF_ITS_UNDERFLOW_REC_DONE_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? -1 : 12)
+#define UNIPERIF_ITS_UNDERFLOW_REC_DONE_MASK(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? \
+ 0 : (BIT(UNIPERIF_ITS_UNDERFLOW_REC_DONE_SHIFT(ip))))
+
+/* UNDERFLOW_REC_FAILED */
+#define UNIPERIF_ITS_UNDERFLOW_REC_FAILED_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? -1 : 13)
+#define UNIPERIF_ITS_UNDERFLOW_REC_FAILED_MASK(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? \
+ 0 : (BIT(UNIPERIF_ITS_UNDERFLOW_REC_FAILED_SHIFT(ip))))
+
+/*
+ * AUD_UNIPERIF_ITS_BCLR reg
+ */
+
+/* FIFO_ERROR */
+#define UNIPERIF_ITS_BCLR_FIFO_ERROR_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 0 : 8)
+#define UNIPERIF_ITS_BCLR_FIFO_ERROR_MASK(ip) \
+ (BIT(UNIPERIF_ITS_BCLR_FIFO_ERROR_SHIFT(ip)))
+#define SET_UNIPERIF_ITS_BCLR_FIFO_ERROR(ip) \
+ SET_UNIPERIF_ITS_BCLR(ip, \
+ UNIPERIF_ITS_BCLR_FIFO_ERROR_MASK(ip))
+
+#define UNIPERIF_ITS_BCLR_OFFSET(ip) 0x0010
+#define SET_UNIPERIF_ITS_BCLR(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_ITS_BCLR_OFFSET(ip))
+
+/*
+ * AUD_UNIPERIF_ITM reg
+ */
+
+#define UNIPERIF_ITM_OFFSET(ip) 0x0018
+#define GET_UNIPERIF_ITM(ip) \
+ readl_relaxed(ip->base + UNIPERIF_ITM_OFFSET(ip))
+
+/* FIFO_ERROR */
+#define UNIPERIF_ITM_FIFO_ERROR_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 0 : 8)
+#define UNIPERIF_ITM_FIFO_ERROR_MASK(ip) \
+ (BIT(UNIPERIF_ITM_FIFO_ERROR_SHIFT(ip)))
+
+/* UNDERFLOW_REC_DONE */
+#define UNIPERIF_ITM_UNDERFLOW_REC_DONE_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? -1 : 12)
+#define UNIPERIF_ITM_UNDERFLOW_REC_DONE_MASK(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? \
+ 0 : (BIT(UNIPERIF_ITM_UNDERFLOW_REC_DONE_SHIFT(ip))))
+
+/* UNDERFLOW_REC_FAILED */
+#define UNIPERIF_ITM_UNDERFLOW_REC_FAILED_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? -1 : 13)
+#define UNIPERIF_ITM_UNDERFLOW_REC_FAILED_MASK(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? \
+ 0 : (BIT(UNIPERIF_ITM_UNDERFLOW_REC_FAILED_SHIFT(ip))))
+
+/*
+ * AUD_UNIPERIF_ITM_BCLR reg
+ */
+
+#define UNIPERIF_ITM_BCLR_OFFSET(ip) 0x001c
+#define SET_UNIPERIF_ITM_BCLR(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_ITM_BCLR_OFFSET(ip))
+
+/* FIFO_ERROR */
+#define UNIPERIF_ITM_BCLR_FIFO_ERROR_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 0 : 8)
+#define UNIPERIF_ITM_BCLR_FIFO_ERROR_MASK(ip) \
+ (BIT(UNIPERIF_ITM_BCLR_FIFO_ERROR_SHIFT(ip)))
+#define SET_UNIPERIF_ITM_BCLR_FIFO_ERROR(ip) \
+ SET_UNIPERIF_ITM_BCLR(ip, \
+ UNIPERIF_ITM_BCLR_FIFO_ERROR_MASK(ip))
+
+/* DMA_ERROR */
+#define UNIPERIF_ITM_BCLR_DMA_ERROR_SHIFT(ip) 9
+#define UNIPERIF_ITM_BCLR_DMA_ERROR_MASK(ip) \
+ (BIT(UNIPERIF_ITM_BCLR_DMA_ERROR_SHIFT(ip)))
+#define SET_UNIPERIF_ITM_BCLR_DMA_ERROR(ip) \
+ SET_UNIPERIF_ITM_BCLR(ip, \
+ UNIPERIF_ITM_BCLR_DMA_ERROR_MASK(ip))
+
+/*
+ * AUD_UNIPERIF_ITM_BSET reg
+ */
+
+#define UNIPERIF_ITM_BSET_OFFSET(ip) 0x0020
+#define SET_UNIPERIF_ITM_BSET(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_ITM_BSET_OFFSET(ip))
+
+/* FIFO_ERROR */
+#define UNIPERIF_ITM_BSET_FIFO_ERROR_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 0 : 8)
+#define UNIPERIF_ITM_BSET_FIFO_ERROR_MASK(ip) \
+ (BIT(UNIPERIF_ITM_BSET_FIFO_ERROR_SHIFT(ip)))
+#define SET_UNIPERIF_ITM_BSET_FIFO_ERROR(ip) \
+ SET_UNIPERIF_ITM_BSET(ip, \
+ UNIPERIF_ITM_BSET_FIFO_ERROR_MASK(ip))
+
+/* MEM_BLK_READ */
+#define UNIPERIF_ITM_BSET_MEM_BLK_READ_SHIFT(ip) 5
+#define UNIPERIF_ITM_BSET_MEM_BLK_READ_MASK(ip) \
+ (BIT(UNIPERIF_ITM_BSET_MEM_BLK_READ_SHIFT(ip)))
+#define SET_UNIPERIF_ITM_BSET_MEM_BLK_READ(ip) \
+ SET_UNIPERIF_ITM_BSET(ip, \
+ UNIPERIF_ITM_BSET_MEM_BLK_READ_MASK(ip))
+
+/* DMA_ERROR */
+#define UNIPERIF_ITM_BSET_DMA_ERROR_SHIFT(ip) 9
+#define UNIPERIF_ITM_BSET_DMA_ERROR_MASK(ip) \
+ (BIT(UNIPERIF_ITM_BSET_DMA_ERROR_SHIFT(ip)))
+#define SET_UNIPERIF_ITM_BSET_DMA_ERROR(ip) \
+ SET_UNIPERIF_ITM_BSET(ip, \
+ UNIPERIF_ITM_BSET_DMA_ERROR_MASK(ip))
+
+/* UNDERFLOW_REC_DONE */
+#define UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? -1 : 12)
+#define UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE_MASK(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? \
+ 0 : (BIT(UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE_SHIFT(ip))))
+#define SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE(ip) \
+ SET_UNIPERIF_ITM_BSET(ip, \
+ UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE_MASK(ip))
+
+/* UNDERFLOW_REC_FAILED */
+#define UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? -1 : 13)
+#define UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED_MASK(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? \
+ 0 : (BIT(UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED_SHIFT(ip))))
+#define SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED(ip) \
+ SET_UNIPERIF_ITM_BSET(ip, \
+ UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED_MASK(ip))
+
+/*
+ * UNIPERIF_CONFIG reg
+ */
+
+#define UNIPERIF_CONFIG_OFFSET(ip) 0x0040
+#define GET_UNIPERIF_CONFIG(ip) \
+ readl_relaxed(ip->base + UNIPERIF_CONFIG_OFFSET(ip))
+#define SET_UNIPERIF_CONFIG(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_CONFIG_OFFSET(ip))
+
+/* PARITY_CNTR */
+#define UNIPERIF_CONFIG_PARITY_CNTR_SHIFT(ip) 0
+#define UNIPERIF_CONFIG_PARITY_CNTR_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_PARITY_CNTR(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_PARITY_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_PARITY_CNTR_MASK(ip))
+#define SET_UNIPERIF_CONFIG_PARITY_CNTR_BY_HW(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_PARITY_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_PARITY_CNTR_MASK(ip), 0)
+#define SET_UNIPERIF_CONFIG_PARITY_CNTR_BY_SW(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_PARITY_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_PARITY_CNTR_MASK(ip), 1)
+
+/* CHANNEL_STA_CNTR */
+#define UNIPERIF_CONFIG_CHANNEL_STA_CNTR_SHIFT(ip) 1
+#define UNIPERIF_CONFIG_CHANNEL_STA_CNTR_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_CHANNEL_STA_CNTR(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_CHANNEL_STA_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_CHANNEL_STA_CNTR_MASK(ip))
+#define SET_UNIPERIF_CONFIG_CHANNEL_STA_CNTR_BY_SW(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_CHANNEL_STA_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_CHANNEL_STA_CNTR_MASK(ip), 0)
+#define SET_UNIPERIF_CONFIG_CHANNEL_STA_CNTR_BY_HW(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_CHANNEL_STA_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_CHANNEL_STA_CNTR_MASK(ip), 1)
+
+/* USER_DAT_CNTR */
+#define UNIPERIF_CONFIG_USER_DAT_CNTR_SHIFT(ip) 2
+#define UNIPERIF_CONFIG_USER_DAT_CNTR_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_USER_DAT_CNTR(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_USER_DAT_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_USER_DAT_CNTR_MASK(ip))
+#define SET_UNIPERIF_CONFIG_USER_DAT_CNTR_BY_HW(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_USER_DAT_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_USER_DAT_CNTR_MASK(ip), 1)
+#define SET_UNIPERIF_CONFIG_USER_DAT_CNTR_BY_SW(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_USER_DAT_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_USER_DAT_CNTR_MASK(ip), 0)
+
+/* VALIDITY_DAT_CNTR */
+#define UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_SHIFT(ip) 3
+#define UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_VALIDITY_DAT_CNTR(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_MASK(ip))
+#define SET_UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_BY_SW(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_MASK(ip), 0)
+#define SET_UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_BY_HW(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_SHIFT(ip), \
+ UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_MASK(ip), 1)
+
+/* ONE_BIT_AUD_SUPPORT */
+#define UNIPERIF_CONFIG_ONE_BIT_AUD_SHIFT(ip) 4
+#define UNIPERIF_CONFIG_ONE_BIT_AUD_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_ONE_BIT_AUD(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_ONE_BIT_AUD_SHIFT(ip), \
+ UNIPERIF_CONFIG_ONE_BIT_AUD_MASK(ip))
+#define SET_UNIPERIF_CONFIG_ONE_BIT_AUD_DISABLE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_ONE_BIT_AUD_SHIFT(ip), \
+ UNIPERIF_CONFIG_ONE_BIT_AUD_MASK(ip), 0)
+#define SET_UNIPERIF_CONFIG_ONE_BIT_AUD_ENABLE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_ONE_BIT_AUD_SHIFT(ip), \
+ UNIPERIF_CONFIG_ONE_BIT_AUD_MASK(ip), 1)
+
+/* MEMORY_FMT */
+#define UNIPERIF_CONFIG_MEM_FMT_SHIFT(ip) 5
+#define UNIPERIF_CONFIG_MEM_FMT_MASK(ip) 0x1
+#define VALUE_UNIPERIF_CONFIG_MEM_FMT_16_0(ip) 0
+#define VALUE_UNIPERIF_CONFIG_MEM_FMT_16_16(ip) 1
+#define GET_UNIPERIF_CONFIG_MEM_FMT(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_MEM_FMT_SHIFT(ip), \
+ UNIPERIF_CONFIG_MEM_FMT_MASK(ip))
+#define SET_UNIPERIF_CONFIG_MEM_FMT(ip, value) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_MEM_FMT_SHIFT(ip), \
+ UNIPERIF_CONFIG_MEM_FMT_MASK(ip), value)
+#define SET_UNIPERIF_CONFIG_MEM_FMT_16_0(ip) \
+ SET_UNIPERIF_CONFIG_MEM_FMT(ip, \
+ VALUE_UNIPERIF_CONFIG_MEM_FMT_16_0(ip))
+#define SET_UNIPERIF_CONFIG_MEM_FMT_16_16(ip) \
+ SET_UNIPERIF_CONFIG_MEM_FMT(ip, \
+ VALUE_UNIPERIF_CONFIG_MEM_FMT_16_16(ip))
+
+/* REPEAT_CHL_STS */
+#define UNIPERIF_CONFIG_REPEAT_CHL_STS_SHIFT(ip) 6
+#define UNIPERIF_CONFIG_REPEAT_CHL_STS_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_REPEAT_CHL_STS(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_REPEAT_CHL_STS_SHIFT(ip), \
+ UNIPERIF_CONFIG_REPEAT_CHL_STS_MASK(ip))
+#define SET_UNIPERIF_CONFIG_REPEAT_CHL_STS_ENABLE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_REPEAT_CHL_STS_SHIFT(ip), \
+ UNIPERIF_CONFIG_REPEAT_CHL_STS_MASK(ip), 0)
+#define SET_UNIPERIF_CONFIG_REPEAT_CHL_STS_DISABLE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_REPEAT_CHL_STS_SHIFT(ip), \
+ UNIPERIF_CONFIG_REPEAT_CHL_STS_MASK(ip), 1)
+
+/* BACK_STALL_REQ */
+#define UNIPERIF_CONFIG_BACK_STALL_REQ_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 7 : -1)
+#define UNIPERIF_CONFIG_BACK_STALL_REQ_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_BACK_STALL_REQ(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_BACK_STALL_REQ_SHIFT(ip), \
+ UNIPERIF_CONFIG_BACK_STALL_REQ_MASK(ip))
+#define SET_UNIPERIF_CONFIG_BACK_STALL_REQ_DISABLE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_BACK_STALL_REQ_SHIFT(ip), \
+ UNIPERIF_CONFIG_BACK_STALL_REQ_MASK(ip), 0)
+#define SET_UNIPERIF_CONFIG_BACK_STALL_REQ_ENABLE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_BACK_STALL_REQ_SHIFT(ip), \
+ UNIPERIF_CONFIG_BACK_STALL_REQ_MASK(ip), 1)
+
+/* FDMA_TRIGGER_LIMIT */
+#define UNIPERIF_CONFIG_DMA_TRIG_LIMIT_SHIFT(ip) 8
+#define UNIPERIF_CONFIG_DMA_TRIG_LIMIT_MASK(ip) 0x7F
+#define GET_UNIPERIF_CONFIG_DMA_TRIG_LIMIT(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_DMA_TRIG_LIMIT_SHIFT(ip), \
+ UNIPERIF_CONFIG_DMA_TRIG_LIMIT_MASK(ip))
+#define SET_UNIPERIF_CONFIG_DMA_TRIG_LIMIT(ip, value) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_DMA_TRIG_LIMIT_SHIFT(ip), \
+ UNIPERIF_CONFIG_DMA_TRIG_LIMIT_MASK(ip), value)
+
+/* CHL_STS_UPDATE */
+#define UNIPERIF_CONFIG_CHL_STS_UPDATE_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 16 : -1)
+#define UNIPERIF_CONFIG_CHL_STS_UPDATE_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_CHL_STS_UPDATE(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_CHL_STS_UPDATE_SHIFT(ip), \
+ UNIPERIF_CONFIG_CHL_STS_UPDATE_MASK(ip))
+#define SET_UNIPERIF_CONFIG_CHL_STS_UPDATE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_CHL_STS_UPDATE_SHIFT(ip), \
+ UNIPERIF_CONFIG_CHL_STS_UPDATE_MASK(ip), 1)
+
+/* IDLE_MOD */
+#define UNIPERIF_CONFIG_IDLE_MOD_SHIFT(ip) 18
+#define UNIPERIF_CONFIG_IDLE_MOD_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_IDLE_MOD(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_IDLE_MOD_SHIFT(ip), \
+ UNIPERIF_CONFIG_IDLE_MOD_MASK(ip))
+#define SET_UNIPERIF_CONFIG_IDLE_MOD_DISABLE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_IDLE_MOD_SHIFT(ip), \
+ UNIPERIF_CONFIG_IDLE_MOD_MASK(ip), 0)
+#define SET_UNIPERIF_CONFIG_IDLE_MOD_ENABLE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_IDLE_MOD_SHIFT(ip), \
+ UNIPERIF_CONFIG_IDLE_MOD_MASK(ip), 1)
+
+/* SUBFRAME_SELECTION */
+#define UNIPERIF_CONFIG_SUBFRAME_SEL_SHIFT(ip) 19
+#define UNIPERIF_CONFIG_SUBFRAME_SEL_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_SUBFRAME_SEL(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_SUBFRAME_SEL_SHIFT(ip), \
+ UNIPERIF_CONFIG_SUBFRAME_SEL_MASK(ip))
+#define SET_UNIPERIF_CONFIG_SUBFRAME_SEL_SUBF1_SUBF0(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_SUBFRAME_SEL_SHIFT(ip), \
+ UNIPERIF_CONFIG_SUBFRAME_SEL_MASK(ip), 1)
+#define SET_UNIPERIF_CONFIG_SUBFRAME_SEL_SUBF0_SUBF1(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_SUBFRAME_SEL_SHIFT(ip), \
+ UNIPERIF_CONFIG_SUBFRAME_SEL_MASK(ip), 0)
+
+/* FULL_SW_CONTROL */
+#define UNIPERIF_CONFIG_SPDIF_SW_CTRL_SHIFT(ip) 20
+#define UNIPERIF_CONFIG_SPDIF_SW_CTRL_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_SPDIF_SW_CTRL(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_SPDIF_SW_CTRL_SHIFT(ip), \
+ UNIPERIF_CONFIG_SPDIF_SW_CTRL_MASK(ip))
+#define SET_UNIPERIF_CONFIG_SPDIF_SW_CTRL_ENABLE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_SPDIF_SW_CTRL_SHIFT(ip), \
+ UNIPERIF_CONFIG_SPDIF_SW_CTRL_MASK(ip), 1)
+#define SET_UNIPERIF_CONFIG_SPDIF_SW_CTRL_DISABLE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_SPDIF_SW_CTRL_SHIFT(ip), \
+ UNIPERIF_CONFIG_SPDIF_SW_CTRL_MASK(ip), 0)
+
+/* MASTER_CLKEDGE */
+#define UNIPERIF_CONFIG_MSTR_CLKEDGE_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 24 : -1)
+#define UNIPERIF_CONFIG_MSTR_CLKEDGE_MASK(ip) 0x1
+#define GET_UNIPERIF_CONFIG_MSTR_CLKEDGE(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_MSTR_CLKEDGE_SHIFT(ip), \
+ UNIPERIF_CONFIG_MSTR_CLKEDGE_MASK(ip))
+#define SET_UNIPERIF_CONFIG_MSTR_CLKEDGE_FALLING(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_MSTR_CLKEDGE_SHIFT(ip), \
+ UNIPERIF_CONFIG_MSTR_CLKEDGE_MASK(ip), 1)
+#define SET_UNIPERIF_CONFIG_MSTR_CLKEDGE_RISING(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CONFIG_OFFSET(ip), \
+ UNIPERIF_CONFIG_MSTR_CLKEDGE_SHIFT(ip), \
+ UNIPERIF_CONFIG_MSTR_CLKEDGE_MASK(ip), 0)
+
+/*
+ * UNIPERIF_CTRL reg
+ */
+
+#define UNIPERIF_CTRL_OFFSET(ip) 0x0044
+#define GET_UNIPERIF_CTRL(ip) \
+ readl_relaxed(ip->base + UNIPERIF_CTRL_OFFSET(ip))
+#define SET_UNIPERIF_CTRL(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_CTRL_OFFSET(ip))
+
+/* OPERATION */
+#define UNIPERIF_CTRL_OPERATION_SHIFT(ip) 0
+#define UNIPERIF_CTRL_OPERATION_MASK(ip) 0x7
+#define GET_UNIPERIF_CTRL_OPERATION(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_OPERATION_SHIFT(ip), \
+ UNIPERIF_CTRL_OPERATION_MASK(ip))
+#define VALUE_UNIPERIF_CTRL_OPERATION_OFF(ip) 0
+#define SET_UNIPERIF_CTRL_OPERATION_OFF(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_OPERATION_SHIFT(ip), \
+ UNIPERIF_CTRL_OPERATION_MASK(ip), \
+ VALUE_UNIPERIF_CTRL_OPERATION_OFF(ip))
+#define VALUE_UNIPERIF_CTRL_OPERATION_MUTE_PCM_NULL(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 1 : -1)
+#define SET_UNIPERIF_CTRL_OPERATION_MUTE_PCM_NULL(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_OPERATION_SHIFT(ip), \
+ UNIPERIF_CTRL_OPERATION_MASK(ip), \
+ VALUE_UNIPERIF_CTRL_OPERATION_MUTE_PCM_NULL(ip))
+#define VALUE_UNIPERIF_CTRL_OPERATION_MUTE_PAUSE_BURST(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 2 : -1)
+#define SET_UNIPERIF_CTRL_OPERATION_MUTE_PAUSE_BURST(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_OPERATION_SHIFT(ip), \
+ UNIPERIF_CTRL_OPERATION_MASK(ip), \
+ VALUE_UNIPERIF_CTRL_OPERATION_MUTE_PAUSE_BURST(ip))
+#define VALUE_UNIPERIF_CTRL_OPERATION_PCM_DATA(ip) 3
+#define SET_UNIPERIF_CTRL_OPERATION_PCM_DATA(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_OPERATION_SHIFT(ip), \
+ UNIPERIF_CTRL_OPERATION_MASK(ip), \
+ VALUE_UNIPERIF_CTRL_OPERATION_PCM_DATA(ip))
+/* This is the same as above! */
+#define VALUE_UNIPERIF_CTRL_OPERATION_AUDIO_DATA(ip) 3
+#define SET_UNIPERIF_CTRL_OPERATION_AUDIO_DATA(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_OPERATION_SHIFT(ip), \
+ UNIPERIF_CTRL_OPERATION_MASK(ip), \
+ VALUE_UNIPERIF_CTRL_OPERATION_AUDIO_DATA(ip))
+#define VALUE_UNIPERIF_CTRL_OPERATION_ENC_DATA(ip) 4
+#define SET_UNIPERIF_CTRL_OPERATION_ENC_DATA(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_OPERATION_SHIFT(ip), \
+ UNIPERIF_CTRL_OPERATION_MASK(ip), \
+ VALUE_UNIPERIF_CTRL_OPERATION_ENC_DATA(ip))
+#define VALUE_UNIPERIF_CTRL_OPERATION_CD_DATA(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 5 : -1)
+#define SET_UNIPERIF_CTRL_OPERATION_CD_DATA(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_OPERATION_SHIFT(ip), \
+ UNIPERIF_CTRL_OPERATION_MASK(ip), \
+ VALUE_UNIPERIF_CTRL_OPERATION_CD_DATA(ip))
+#define VALUE_UNIPERIF_CTRL_OPERATION_STANDBY(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? -1 : 7)
+#define SET_UNIPERIF_CTRL_OPERATION_STANDBY(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_OPERATION_SHIFT(ip), \
+ UNIPERIF_CTRL_OPERATION_MASK(ip), \
+ VALUE_UNIPERIF_CTRL_OPERATION_STANDBY(ip))
+
+/* EXIT_STBY_ON_EOBLOCK */
+#define UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? -1 : 3)
+#define UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_MASK(ip) 0x1
+#define GET_UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_SHIFT(ip), \
+ UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_MASK(ip))
+#define SET_UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_OFF(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_SHIFT(ip), \
+ UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_MASK(ip), 0)
+#define SET_UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_ON(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_SHIFT(ip), \
+ UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_MASK(ip), 1)
+
+/* ROUNDING */
+#define UNIPERIF_CTRL_ROUNDING_SHIFT(ip) 4
+#define UNIPERIF_CTRL_ROUNDING_MASK(ip) 0x1
+#define GET_UNIPERIF_CTRL_ROUNDING(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_ROUNDING_SHIFT(ip), \
+ UNIPERIF_CTRL_ROUNDING_MASK(ip))
+#define SET_UNIPERIF_CTRL_ROUNDING_OFF(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_ROUNDING_SHIFT(ip), \
+ UNIPERIF_CTRL_ROUNDING_MASK(ip), 0)
+#define SET_UNIPERIF_CTRL_ROUNDING_ON(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_ROUNDING_SHIFT(ip), \
+ UNIPERIF_CTRL_ROUNDING_MASK(ip), 1)
+
+/* DIVIDER */
+#define UNIPERIF_CTRL_DIVIDER_SHIFT(ip) 5
+#define UNIPERIF_CTRL_DIVIDER_MASK(ip) 0xff
+#define GET_UNIPERIF_CTRL_DIVIDER(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_DIVIDER_SHIFT(ip), \
+ UNIPERIF_CTRL_DIVIDER_MASK(ip))
+#define SET_UNIPERIF_CTRL_DIVIDER(ip, value) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_DIVIDER_SHIFT(ip), \
+ UNIPERIF_CTRL_DIVIDER_MASK(ip), value)
+
+/* BYTE_SWAP */
+#define UNIPERIF_CTRL_BYTE_SWP_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 13 : -1)
+#define UNIPERIF_CTRL_BYTE_SWP_MASK(ip) 0x1
+#define GET_UNIPERIF_CTRL_BYTE_SWP(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_BYTE_SWP_SHIFT(ip), \
+ UNIPERIF_CTRL_BYTE_SWP_MASK(ip))
+#define SET_UNIPERIF_CTRL_BYTE_SWP_OFF(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_BYTE_SWP_SHIFT(ip), \
+ UNIPERIF_CTRL_BYTE_SWP_MASK(ip), 0)
+#define SET_UNIPERIF_CTRL_BYTE_SWP_ON(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_BYTE_SWP_SHIFT(ip), \
+ UNIPERIF_CTRL_BYTE_SWP_MASK(ip), 1)
+
+/* ZERO_STUFFING_HW_SW */
+#define UNIPERIF_CTRL_ZERO_STUFF_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 14 : -1)
+#define UNIPERIF_CTRL_ZERO_STUFF_MASK(ip) 0x1
+#define GET_UNIPERIF_CTRL_ZERO_STUFF(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_ZERO_STUFF_SHIFT(ip), \
+ UNIPERIF_CTRL_ZERO_STUFF_MASK(ip))
+#define SET_UNIPERIF_CTRL_ZERO_STUFF_HW(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_ZERO_STUFF_SHIFT(ip), \
+ UNIPERIF_CTRL_ZERO_STUFF_MASK(ip), 1)
+#define SET_UNIPERIF_CTRL_ZERO_STUFF_SW(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_ZERO_STUFF_SHIFT(ip), \
+ UNIPERIF_CTRL_ZERO_STUFF_MASK(ip), 0)
+
+/* SPDIF_LAT */
+#define UNIPERIF_CTRL_SPDIF_LAT_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 16 : -1)
+#define UNIPERIF_CTRL_SPDIF_LAT_MASK(ip) 0x1
+#define GET_UNIPERIF_CTRL_SPDIF_LAT(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_SPDIF_LAT_SHIFT(ip), \
+ UNIPERIF_CTRL_SPDIF_LAT_MASK(ip))
+#define SET_UNIPERIF_CTRL_SPDIF_LAT_ON(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_SPDIF_LAT_SHIFT(ip), \
+ UNIPERIF_CTRL_SPDIF_LAT_MASK(ip), 1)
+#define SET_UNIPERIF_CTRL_SPDIF_LAT_OFF(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_SPDIF_LAT_SHIFT(ip), \
+ UNIPERIF_CTRL_SPDIF_LAT_MASK(ip), 0)
+
+/* EN_SPDIF_FORMATTING */
+#define UNIPERIF_CTRL_SPDIF_FMT_SHIFT(ip) 17
+#define UNIPERIF_CTRL_SPDIF_FMT_MASK(ip) 0x1
+#define GET_UNIPERIF_CTRL_SPDIF_FMT(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_SPDIF_FMT_SHIFT(ip), \
+ UNIPERIF_CTRL_SPDIF_FMT_MASK(ip))
+#define SET_UNIPERIF_CTRL_SPDIF_FMT_ON(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_SPDIF_FMT_SHIFT(ip), \
+ UNIPERIF_CTRL_SPDIF_FMT_MASK(ip), 1)
+#define SET_UNIPERIF_CTRL_SPDIF_FMT_OFF(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_SPDIF_FMT_SHIFT(ip), \
+ UNIPERIF_CTRL_SPDIF_FMT_MASK(ip), 0)
+
+/* READER_OUT_SELECT */
+#define UNIPERIF_CTRL_READER_OUT_SEL_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 18 : -1)
+#define UNIPERIF_CTRL_READER_OUT_SEL_MASK(ip) 0x1
+#define GET_UNIPERIF_CTRL_READER_OUT_SEL(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_READER_OUT_SEL_SHIFT(ip), \
+ UNIPERIF_CTRL_READER_OUT_SEL_MASK(ip))
+#define SET_UNIPERIF_CTRL_READER_OUT_SEL_IN_MEM(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_READER_OUT_SEL_SHIFT(ip), \
+ UNIPERIF_CTRL_READER_OUT_SEL_MASK(ip), 0)
+#define SET_UNIPERIF_CTRL_READER_OUT_SEL_ON_I2S_LINE(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_READER_OUT_SEL_SHIFT(ip), \
+ CORAUD_UNIPERIF_CTRL_READER_OUT_SEL_MASK(ip), 1)
+
+/* UNDERFLOW_REC_WINDOW */
+#define UNIPERIF_CTRL_UNDERFLOW_REC_WINDOW_SHIFT(ip) 20
+#define UNIPERIF_CTRL_UNDERFLOW_REC_WINDOW_MASK(ip) 0xff
+#define GET_UNIPERIF_CTRL_UNDERFLOW_REC_WINDOW(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_UNDERFLOW_REC_WINDOW_SHIFT(ip), \
+ UNIPERIF_CTRL_UNDERFLOW_REC_WINDOW_MASK(ip))
+#define SET_UNIPERIF_CTRL_UNDERFLOW_REC_WINDOW(ip, value) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_CTRL_OFFSET(ip), \
+ UNIPERIF_CTRL_UNDERFLOW_REC_WINDOW_SHIFT(ip), \
+ UNIPERIF_CTRL_UNDERFLOW_REC_WINDOW_MASK(ip), value)
+
+/*
+ * UNIPERIF_I2S_FMT a.k.a UNIPERIF_FORMAT reg
+ */
+
+#define UNIPERIF_I2S_FMT_OFFSET(ip) 0x0048
+#define GET_UNIPERIF_I2S_FMT(ip) \
+ readl_relaxed(ip->base + UNIPERIF_I2S_FMT_OFFSET(ip))
+#define SET_UNIPERIF_I2S_FMT(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_I2S_FMT_OFFSET(ip))
+
+/* NBIT */
+#define UNIPERIF_I2S_FMT_NBIT_SHIFT(ip) 0
+#define UNIPERIF_I2S_FMT_NBIT_MASK(ip) 0x1
+#define GET_UNIPERIF_I2S_FMT_NBIT(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_NBIT_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_NBIT_MASK(ip))
+#define SET_UNIPERIF_I2S_FMT_NBIT_32(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_NBIT_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_NBIT_MASK(ip), 0)
+#define SET_UNIPERIF_I2S_FMT_NBIT_16(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_NBIT_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_NBIT_MASK(ip), 1)
+
+/* DATA_SIZE */
+#define UNIPERIF_I2S_FMT_DATA_SIZE_SHIFT(ip) 1
+#define UNIPERIF_I2S_FMT_DATA_SIZE_MASK(ip) 0x7
+#define GET_UNIPERIF_I2S_FMT_DATA_SIZE(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_MASK(ip))
+#define SET_UNIPERIF_I2S_FMT_DATA_SIZE_16(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_MASK(ip), 0)
+#define SET_UNIPERIF_I2S_FMT_DATA_SIZE_18(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_MASK(ip), 1)
+#define SET_UNIPERIF_I2S_FMT_DATA_SIZE_20(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_MASK(ip), 2)
+#define SET_UNIPERIF_I2S_FMT_DATA_SIZE_24(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_MASK(ip), 3)
+#define SET_UNIPERIF_I2S_FMTL_DATA_SIZE_28(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_MASK(ip), 4)
+#define SET_UNIPERIF_I2S_FMT_DATA_SIZE_32(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_DATA_SIZE_MASK(ip), 5)
+
+/* LR_POL */
+#define UNIPERIF_I2S_FMT_LR_POL_SHIFT(ip) 4
+#define UNIPERIF_I2S_FMT_LR_POL_MASK(ip) 0x1
+#define VALUE_UNIPERIF_I2S_FMT_LR_POL_LOW(ip) 0x0
+#define VALUE_UNIPERIF_I2S_FMT_LR_POL_HIG(ip) 0x1
+#define GET_UNIPERIF_I2S_FMT_LR_POL(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_LR_POL_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_LR_POL_MASK(ip))
+#define SET_UNIPERIF_I2S_FMT_LR_POL(ip, value) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_LR_POL_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_LR_POL_MASK(ip), value)
+#define SET_UNIPERIF_I2S_FMT_LR_POL_LOW(ip) \
+ SET_UNIPERIF_I2S_FMT_LR_POL(ip, \
+ VALUE_UNIPERIF_I2S_FMT_LR_POL_LOW(ip))
+#define SET_UNIPERIF_I2S_FMT_LR_POL_HIG(ip) \
+ SET_UNIPERIF_I2S_FMT_LR_POL(ip, \
+ VALUE_UNIPERIF_I2S_FMT_LR_POL_HIG(ip))
+
+/* SCLK_EDGE */
+#define UNIPERIF_I2S_FMT_SCLK_EDGE_SHIFT(ip) 5
+#define UNIPERIF_I2S_FMT_SCLK_EDGE_MASK(ip) 0x1
+#define GET_UNIPERIF_I2S_FMT_SCLK_EDGE(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_SCLK_EDGE_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_SCLK_EDGE_MASK(ip))
+#define SET_UNIPERIF_I2S_FMT_SCLK_EDGE_RISING(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_SCLK_EDGE_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_SCLK_EDGE_MASK(ip), 0)
+#define SET_UNIPERIF_I2S_FMT_SCLK_EDGE_FALLING(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_SCLK_EDGE_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_SCLK_EDGE_MASK(ip), 1)
+
+/* PADDING */
+#define UNIPERIF_I2S_FMT_PADDING_SHIFT(ip) 6
+#define UNIPERIF_I2S_FMT_PADDING_MASK(ip) 0x1
+#define UNIPERIF_I2S_FMT_PADDING_MASK(ip) 0x1
+#define VALUE_UNIPERIF_I2S_FMT_PADDING_I2S_MODE(ip) 0x0
+#define VALUE_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(ip) 0x1
+#define GET_UNIPERIF_I2S_FMT_PADDING(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_PADDING_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_PADDING_MASK(ip))
+#define SET_UNIPERIF_I2S_FMT_PADDING(ip, value) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_PADDING_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_PADDING_MASK(ip), value)
+#define SET_UNIPERIF_I2S_FMT_PADDING_I2S_MODE(ip) \
+ SET_UNIPERIF_I2S_FMT_PADDING(ip, \
+ VALUE_UNIPERIF_I2S_FMT_PADDING_I2S_MODE(ip))
+#define SET_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(ip) \
+ SET_UNIPERIF_I2S_FMT_PADDING(ip, \
+ VALUE_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(ip))
+
+/* ALIGN */
+#define UNIPERIF_I2S_FMT_ALIGN_SHIFT(ip) 7
+#define UNIPERIF_I2S_FMT_ALIGN_MASK(ip) 0x1
+#define GET_UNIPERIF_I2S_FMT_ALIGN(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_ALIGN_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_ALIGN_MASK(ip))
+#define SET_UNIPERIF_I2S_FMT_ALIGN_LEFT(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_ALIGN_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_ALIGN_MASK(ip), 0)
+#define SET_UNIPERIF_I2S_FMT_ALIGN_RIGHT(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_ALIGN_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_ALIGN_MASK(ip), 1)
+
+/* ORDER */
+#define UNIPERIF_I2S_FMT_ORDER_SHIFT(ip) 8
+#define UNIPERIF_I2S_FMT_ORDER_MASK(ip) 0x1
+#define GET_UNIPERIF_I2S_FMT_ORDER(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_ORDER_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_ORDER_MASK(ip))
+#define SET_UNIPERIF_I2S_FMT_ORDER_LSB(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_ORDER_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_ORDER_MASK(ip), 0)
+#define SET_UNIPERIF_I2S_FMT_ORDER_MSB(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_ORDER_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_ORDER_MASK(ip), 1)
+
+/* NUM_CH */
+#define UNIPERIF_I2S_FMT_NUM_CH_SHIFT(ip) 9
+#define UNIPERIF_I2S_FMT_NUM_CH_MASK(ip) 0x7
+#define GET_UNIPERIF_I2S_FMT_NUM_CH(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_NUM_CH_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_NUM_CH_MASK(ip))
+#define SET_UNIPERIF_I2S_FMT_NUM_CH(ip, value) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_NUM_CH_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_NUM_CH_MASK(ip), value)
+
+/* NO_OF_SAMPLES_TO_READ */
+#define UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ_SHIFT(ip) 12
+#define UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ_MASK(ip) 0xfffff
+#define GET_UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ_MASK(ip))
+#define SET_UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ(ip, value) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_I2S_FMT_OFFSET(ip), \
+ UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ_SHIFT(ip), \
+ UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ_MASK(ip), value)
+
+/*
+ * UNIPERIF_BIT_CONTROL reg
+ */
+
+#define UNIPERIF_BIT_CONTROL_OFFSET(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? -1 : 0x004c)
+#define GET_UNIPERIF_BIT_CONTROL(ip) \
+ readl_relaxed(ip->base + UNIPERIF_BIT_CONTROL_OFFSET(ip))
+#define SET_UNIPERIF_BIT_CONTROL(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_BIT_CONTROL_OFFSET(ip))
+
+/* CLR_UNDERFLOW_DURATION */
+#define UNIPERIF_BIT_CONTROL_CLR_UNDERFLOW_DURATION_SHIFT(ip) 0
+#define UNIPERIF_BIT_CONTROL_CLR_UNDERFLOW_DURATION_MASK(ip) 0x1
+#define GET_UNIPERIF_BIT_CONTROL_CLR_UNDERFLOW_DURATION(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_BIT_CONTROL_OFFSET(ip), \
+ UNIPERIF_BIT_CONTROL_CLR_UNDERFLOW_DURATION_SHIFT(ip), \
+ UNIPERIF_BIT_CONTROL_CLR_UNDERFLOW_DURATION_MASK(ip))
+#define SET_UNIPERIF_BIT_CONTROL_CLR_UNDERFLOW_DURATION(ip) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_BIT_CONTROL_OFFSET(ip), \
+ UNIPERIF_BIT_CONTROL_CLR_UNDERFLOW_DURATION_SHIFT(ip), \
+ UNIPERIF_BIT_CONTROL_CLR_UNDERFLOW_DURATION_MASK(ip), 1)
+
+/* CHL_STS_UPDATE */
+#define UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE_SHIFT(ip) 1
+#define UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE_MASK(ip) 0x1
+#define GET_UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_BIT_CONTROL_OFFSET(ip), \
+ UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE_SHIFT(ip), \
+ UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE_MASK(ip))
+#define SET_UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE(ip) \
+ SET_UNIPERIF_BIT_REG(ip, \
+ UNIPERIF_BIT_CONTROL_OFFSET(ip), \
+ UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE_SHIFT(ip), \
+ UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE_MASK(ip), 1)
+
+/*
+ * UNIPERIF_STATUS_1 reg
+ */
+
+#define UNIPERIF_STATUS_1_OFFSET(ip) 0x0050
+#define GET_UNIPERIF_STATUS_1(ip) \
+ readl_relaxed(ip->base + UNIPERIF_STATUS_1_OFFSET(ip))
+#define SET_UNIPERIF_STATUS_1(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_STATUS_1_OFFSET(ip))
+
+/* UNDERFLOW_DURATION */
+#define UNIPERIF_STATUS_1_UNDERFLOW_DURATION_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? -1 : 0)
+#define UNIPERIF_STATUS_1_UNDERFLOW_DURATION_MASK(ip) 0xff
+#define GET_UNIPERIF_STATUS_1_UNDERFLOW_DURATION(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_STATUS_1_OFFSET(ip), \
+ UNIPERIF_STATUS_1_UNDERFLOW_DURATION_SHIFT(ip), \
+ UNIPERIF_STATUS_1_UNDERFLOW_DURATION_MASK(ip))
+#define SET_UNIPERIF_STATUS_1_UNDERFLOW_DURATION(ip, value) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_STATUS_1_OFFSET(ip), \
+ UNIPERIF_STATUS_1_UNDERFLOW_DURATION_SHIFT(ip), \
+ UNIPERIF_STATUS_1_UNDERFLOW_DURATION_MASK(ip), value)
+
+/*
+ * AUD_UNIPERIF_CHANNEL_STA_REGN reg
+ */
+
+#define UNIPERIF_CHANNEL_STA_REGN(ip, n) (0x0060 + (4 * n))
+#define GET_UNIPERIF_CHANNEL_STA_REGN(ip) \
+ readl_relaxed(ip->base + UNIPERIF_CHANNEL_STA_REGN(ip, n))
+#define SET_UNIPERIF_CHANNEL_STA_REGN(ip, n, value) \
+ writel_relaxed(value, ip->base + \
+ UNIPERIF_CHANNEL_STA_REGN(ip, n))
+
+/*
+ * AUD_UNIPERIF_USER_VALIDITY reg
+ */
+
+#define UNIPERIF_USER_VALIDITY_OFFSET(ip) 0x0090
+#define GET_UNIPERIF_USER_VALIDITY(ip) \
+ readl_relaxed(ip->base + UNIPERIF_USER_VALIDITY_OFFSET(ip))
+#define SET_UNIPERIF_USER_VALIDITY(ip, value) \
+ writel_relaxed(value, ip->base + UNIPERIF_USER_VALIDITY_OFFSET(ip))
+
+/* VALIDITY_LEFT_AND_RIGHT */
+#define UNIPERIF_USER_VALIDITY_VALIDITY_LR_SHIFT(ip) 0
+#define UNIPERIF_USER_VALIDITY_VALIDITY_LR_MASK(ip) 0x3
+#define GET_UNIPERIF_USER_VALIDITY_VALIDITY_LR(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_USER_VALIDITY_OFFSET(ip), \
+ UNIPERIF_USER_VALIDITY_VALIDITY_LR_SHIFT(ip), \
+ UNIPERIF_USER_VALIDITY_VALIDITY_LR_MASK(ip))
+#define SET_UNIPERIF_USER_VALIDITY_VALIDITY_LR(ip, value) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_USER_VALIDITY_OFFSET(ip), \
+ UNIPERIF_USER_VALIDITY_VALIDITY_LR_SHIFT(ip), \
+ UNIPERIF_USER_VALIDITY_VALIDITY_LR_MASK(ip), \
+ value ? 0x3 : 0)
+
+/*
+ * UNIPERIF_DBG_STANDBY_LEFT_SP reg
+ */
+#define UNIPERIF_DBG_STANDBY_LEFT_SP_OFFSET(ip) 0x0150
+#define UNIPERIF_DBG_STANDBY_LEFT_SP_SHIFT(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? -1 : 0)
+#define UNIPERIF_DBG_STANDBY_LEFT_SP_MASK(ip) \
+ ((ip)->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0 ? 0 : 0xFFFFFF)
+#define GET_UNIPERIF_DBG_STANDBY_LEFT_SP(ip) \
+ GET_UNIPERIF_REG(ip, \
+ UNIPERIF_DBG_STANDBY_LEFT_SP_OFFSET(ip), \
+ UNIPERIF_DBG_STANDBY_LEFT_SP_SHIFT(ip), \
+ UNIPERIF_DBG_STANDBY_LEFT_SP_MASK(ip))
+#define SET_UNIPERIF_DBG_STANDBY_LEFT_SP(ip, value) \
+ SET_UNIPERIF_REG(ip, \
+ UNIPERIF_DBG_STANDBY_LEFT_SP_OFFSET(ip), \
+ UNIPERIF_DBG_STANDBY_LEFT_SP_SHIFT(ip), \
+ UNIPERIF_DBG_STANDBY_LEFT_SP_MASK(ip), value)
+
+/*
+ * uniperipheral IP capabilities
+ */
+
+#define UNIPERIF_FIFO_SIZE 70 /* FIFO is 70 cells deep */
+#define UNIPERIF_FIFO_FRAMES 4 /* FDMA trigger limit in frames */
+
+/*
+ * Uniperipheral IP revisions
+ */
+enum uniperif_version {
+ SND_ST_UNIPERIF_VERSION_UNKNOWN,
+ /* SASG1 (Orly), Newman */
+ SND_ST_UNIPERIF_VERSION_C6AUD0_UNI_1_0,
+ /* SASC1, SASG2 (Orly2) */
+ SND_ST_UNIPERIF_VERSION_UNI_PLR_1_0,
+ /* SASC1, SASG2 (Orly2), TELSS, Cannes */
+ SND_ST_UNIPERIF_VERSION_UNI_RDR_1_0,
+ /* TELSS (SASC1) */
+ SND_ST_UNIPERIF_VERSION_TDM_PLR_1_0,
+ /* Cannes/Monaco */
+ SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0
+};
+
+enum uniperif_type {
+ SND_ST_UNIPERIF_PLAYER_TYPE_NONE,
+ SND_ST_UNIPERIF_PLAYER_TYPE_HDMI,
+ SND_ST_UNIPERIF_PLAYER_TYPE_PCM,
+ SND_ST_UNIPERIF_PLAYER_TYPE_SPDIF
+};
+
+enum uniperif_state {
+ UNIPERIF_STATE_STOPPED,
+ UNIPERIF_STATE_STARTED,
+ UNIPERIF_STATE_STANDBY,
+ UNIPERIF_STATE_UNDERFLOW,
+ UNIPERIF_STATE_OVERFLOW = UNIPERIF_STATE_UNDERFLOW,
+ UNIPERIF_STATE_XRUN
+};
+
+enum uniperif_iec958_encoding_mode {
+ UNIPERIF_IEC958_ENCODING_MODE_PCM,
+ UNIPERIF_IEC958_ENCODING_MODE_ENCODED
+};
+
+struct uniperif_info {
+ int id; /* instance value of the uniperipheral IP */
+ enum uniperif_type player_type;
+ int underflow_enabled; /* Underflow recovery mode */
+};
+
+struct uniperif_iec958_settings {
+ enum uniperif_iec958_encoding_mode encoding_mode;
+ struct snd_aes_iec958 iec958;
+};
+
+struct uniperif {
+ /* System information */
+ struct uniperif_info *info;
+ struct device *dev;
+ int ver; /* IP version, used by register access macros */
+ struct regmap_field *clk_sel;
+
+ /* capabilities */
+ const struct snd_pcm_hardware *hw;
+
+ /* Resources */
+ struct resource *mem_region;
+ void __iomem *base;
+ unsigned long fifo_phys_address;
+ int irq;
+
+ /* Clocks */
+ struct clk *clk;
+ int mclk;
+ int clk_adj;
+
+ /* Runtime data */
+ enum uniperif_state state;
+
+ struct snd_pcm_substream *substream;
+
+ /* Specific to IEC958 player */
+ struct uniperif_iec958_settings stream_settings;
+ struct mutex ctrl_lock; /* For resource updated by stream and controls*/
+
+ /*alsa ctrl*/
+ struct snd_kcontrol_new *snd_ctrls;
+ int num_ctrls;
+
+ /* dai properties */
+ unsigned int daifmt;
+
+ /* DAI callbacks */
+ const struct snd_soc_dai_ops *dai_ops;
+};
+
+struct sti_uniperiph_dai {
+ int stream;
+ struct uniperif *uni;
+ struct snd_dmaengine_dai_dma_data dma_data;
+};
+
+struct sti_uniperiph_data {
+ struct platform_device *pdev;
+ struct snd_soc_dai_driver *dai;
+ struct sti_uniperiph_dai dai_data;
+};
+
+/* uniperiph player*/
+int uni_player_init(struct platform_device *pdev,
+ struct uniperif *uni_player);
+int uni_player_resume(struct uniperif *player);
+
+/* uniperiph reader */
+int uni_reader_init(struct platform_device *pdev,
+ struct uniperif *uni_reader);
+
+/* common */
+int sti_uniperiph_dai_set_fmt(struct snd_soc_dai *dai,
+ unsigned int fmt);
+
+int sti_uniperiph_dai_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai);
+
+#endif
diff --git a/kernel/sound/soc/sti/uniperif_player.c b/kernel/sound/soc/sti/uniperif_player.c
new file mode 100644
index 000000000..5c2bc53f0
--- /dev/null
+++ b/kernel/sound/soc/sti/uniperif_player.c
@@ -0,0 +1,1119 @@
+/*
+ * Copyright (C) STMicroelectronics SA 2015
+ * Authors: Arnaud Pouliquen <arnaud.pouliquen@st.com>
+ * for STMicroelectronics.
+ * License terms: GNU General Public License (GPL), version 2
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/mfd/syscon.h>
+
+#include <sound/asoundef.h>
+#include <sound/soc.h>
+
+#include "uniperif.h"
+
+/*
+ * Some hardware-related definitions
+ */
+
+/* sys config registers definitions */
+#define SYS_CFG_AUDIO_GLUE 0xA4
+#define SYS_CFG_AUDI0_GLUE_PCM_CLKX 8
+
+/*
+ * Driver specific types.
+ */
+#define UNIPERIF_PLAYER_TYPE_IS_HDMI(p) \
+ ((p)->info->player_type == SND_ST_UNIPERIF_PLAYER_TYPE_HDMI)
+#define UNIPERIF_PLAYER_TYPE_IS_PCM(p) \
+ ((p)->info->player_type == SND_ST_UNIPERIF_PLAYER_TYPE_PCM)
+#define UNIPERIF_PLAYER_TYPE_IS_SPDIF(p) \
+ ((p)->info->player_type == SND_ST_UNIPERIF_PLAYER_TYPE_SPDIF)
+#define UNIPERIF_PLAYER_TYPE_IS_IEC958(p) \
+ (UNIPERIF_PLAYER_TYPE_IS_HDMI(p) || \
+ UNIPERIF_PLAYER_TYPE_IS_SPDIF(p))
+
+#define UNIPERIF_PLAYER_CLK_ADJ_MIN -999999
+#define UNIPERIF_PLAYER_CLK_ADJ_MAX 1000000
+
+/*
+ * Note: snd_pcm_hardware is linked to DMA controller but is declared here to
+ * integrate DAI_CPU capability in term of rate and supported channels
+ */
+static const struct snd_pcm_hardware uni_player_pcm_hw = {
+ .info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID,
+ .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE,
+
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .rate_min = 8000,
+ .rate_max = 192000,
+
+ .channels_min = 2,
+ .channels_max = 8,
+
+ .periods_min = 2,
+ .periods_max = 48,
+
+ .period_bytes_min = 128,
+ .period_bytes_max = 64 * PAGE_SIZE,
+ .buffer_bytes_max = 256 * PAGE_SIZE
+};
+
+static inline int reset_player(struct uniperif *player)
+{
+ int count = 10;
+
+ if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) {
+ while (GET_UNIPERIF_SOFT_RST_SOFT_RST(player) && count) {
+ udelay(5);
+ count--;
+ }
+ }
+
+ if (!count) {
+ dev_err(player->dev, "Failed to reset uniperif");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/*
+ * uni_player_irq_handler
+ * In case of error audio stream is stopped; stop action is protected via PCM
+ * stream lock to avoid race condition with trigger callback.
+ */
+static irqreturn_t uni_player_irq_handler(int irq, void *dev_id)
+{
+ irqreturn_t ret = IRQ_NONE;
+ struct uniperif *player = dev_id;
+ unsigned int status;
+ unsigned int tmp;
+
+ if (player->state == UNIPERIF_STATE_STOPPED) {
+ /* Unexpected IRQ: do nothing */
+ return IRQ_NONE;
+ }
+
+ /* Get interrupt status & clear them immediately */
+ status = GET_UNIPERIF_ITS(player);
+ SET_UNIPERIF_ITS_BCLR(player, status);
+
+ /* Check for fifo error (underrun) */
+ if (unlikely(status & UNIPERIF_ITS_FIFO_ERROR_MASK(player))) {
+ dev_err(player->dev, "FIFO underflow error detected");
+
+ /* Interrupt is just for information when underflow recovery */
+ if (player->info->underflow_enabled) {
+ /* Update state to underflow */
+ player->state = UNIPERIF_STATE_UNDERFLOW;
+
+ } else {
+ /* Disable interrupt so doesn't continually fire */
+ SET_UNIPERIF_ITM_BCLR_FIFO_ERROR(player);
+
+ /* Stop the player */
+ snd_pcm_stream_lock(player->substream);
+ snd_pcm_stop(player->substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(player->substream);
+ }
+
+ ret = IRQ_HANDLED;
+ }
+
+ /* Check for dma error (overrun) */
+ if (unlikely(status & UNIPERIF_ITS_DMA_ERROR_MASK(player))) {
+ dev_err(player->dev, "DMA error detected");
+
+ /* Disable interrupt so doesn't continually fire */
+ SET_UNIPERIF_ITM_BCLR_DMA_ERROR(player);
+
+ /* Stop the player */
+ snd_pcm_stream_lock(player->substream);
+ snd_pcm_stop(player->substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(player->substream);
+
+ ret = IRQ_HANDLED;
+ }
+
+ /* Check for underflow recovery done */
+ if (unlikely(status & UNIPERIF_ITM_UNDERFLOW_REC_DONE_MASK(player))) {
+ if (!player->info->underflow_enabled) {
+ dev_err(player->dev, "unexpected Underflow recovering");
+ return -EPERM;
+ }
+ /* Read the underflow recovery duration */
+ tmp = GET_UNIPERIF_STATUS_1_UNDERFLOW_DURATION(player);
+
+ /* Clear the underflow recovery duration */
+ SET_UNIPERIF_BIT_CONTROL_CLR_UNDERFLOW_DURATION(player);
+
+ /* Update state to started */
+ player->state = UNIPERIF_STATE_STARTED;
+
+ ret = IRQ_HANDLED;
+ }
+
+ /* Check if underflow recovery failed */
+ if (unlikely(status &
+ UNIPERIF_ITM_UNDERFLOW_REC_FAILED_MASK(player))) {
+ dev_err(player->dev, "Underflow recovery failed");
+
+ /* Stop the player */
+ snd_pcm_stream_lock(player->substream);
+ snd_pcm_stop(player->substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(player->substream);
+
+ ret = IRQ_HANDLED;
+ }
+
+ return ret;
+}
+
+static int uni_player_clk_set_rate(struct uniperif *player, unsigned long rate)
+{
+ int rate_adjusted, rate_achieved, delta, ret;
+ int adjustment = player->clk_adj;
+
+ /*
+ * a
+ * F = f + --------- * f = f + d
+ * 1000000
+ *
+ * a
+ * d = --------- * f
+ * 1000000
+ *
+ * where:
+ * f - nominal rate
+ * a - adjustment in ppm (parts per milion)
+ * F - rate to be set in synthesizer
+ * d - delta (difference) between f and F
+ */
+ if (adjustment < 0) {
+ /* div64_64 operates on unsigned values... */
+ delta = -1;
+ adjustment = -adjustment;
+ } else {
+ delta = 1;
+ }
+ /* 500000 ppm is 0.5, which is used to round up values */
+ delta *= (int)div64_u64((uint64_t)rate *
+ (uint64_t)adjustment + 500000, 1000000);
+ rate_adjusted = rate + delta;
+
+ /* Adjusted rate should never be == 0 */
+ if (!rate_adjusted)
+ return -EINVAL;
+
+ ret = clk_set_rate(player->clk, rate_adjusted);
+ if (ret < 0)
+ return ret;
+
+ rate_achieved = clk_get_rate(player->clk);
+ if (!rate_achieved)
+ /* If value is 0 means that clock or parent not valid */
+ return -EINVAL;
+
+ /*
+ * Using ALSA's adjustment control, we can modify the rate to be up
+ * to twice as much as requested, but no more
+ */
+ delta = rate_achieved - rate;
+ if (delta < 0) {
+ /* div64_64 operates on unsigned values... */
+ delta = -delta;
+ adjustment = -1;
+ } else {
+ adjustment = 1;
+ }
+ /* Frequency/2 is added to round up result */
+ adjustment *= (int)div64_u64((uint64_t)delta * 1000000 + rate / 2,
+ rate);
+ player->clk_adj = adjustment;
+ return 0;
+}
+
+static void uni_player_set_channel_status(struct uniperif *player,
+ struct snd_pcm_runtime *runtime)
+{
+ int n;
+ unsigned int status;
+
+ /*
+ * Some AVRs and TVs require the channel status to contain a correct
+ * sampling frequency. If no sample rate is already specified, then
+ * set one.
+ */
+ mutex_lock(&player->ctrl_lock);
+ if (runtime && (player->stream_settings.iec958.status[3]
+ == IEC958_AES3_CON_FS_NOTID)) {
+ switch (runtime->rate) {
+ case 22050:
+ player->stream_settings.iec958.status[3] =
+ IEC958_AES3_CON_FS_22050;
+ break;
+ case 44100:
+ player->stream_settings.iec958.status[3] =
+ IEC958_AES3_CON_FS_44100;
+ break;
+ case 88200:
+ player->stream_settings.iec958.status[3] =
+ IEC958_AES3_CON_FS_88200;
+ break;
+ case 176400:
+ player->stream_settings.iec958.status[3] =
+ IEC958_AES3_CON_FS_176400;
+ break;
+ case 24000:
+ player->stream_settings.iec958.status[3] =
+ IEC958_AES3_CON_FS_24000;
+ break;
+ case 48000:
+ player->stream_settings.iec958.status[3] =
+ IEC958_AES3_CON_FS_48000;
+ break;
+ case 96000:
+ player->stream_settings.iec958.status[3] =
+ IEC958_AES3_CON_FS_96000;
+ break;
+ case 192000:
+ player->stream_settings.iec958.status[3] =
+ IEC958_AES3_CON_FS_192000;
+ break;
+ case 32000:
+ player->stream_settings.iec958.status[3] =
+ IEC958_AES3_CON_FS_32000;
+ break;
+ default:
+ /* Mark as sampling frequency not indicated */
+ player->stream_settings.iec958.status[3] =
+ IEC958_AES3_CON_FS_NOTID;
+ break;
+ }
+ }
+
+ /* Audio mode:
+ * Use audio mode status to select PCM or encoded mode
+ */
+ if (player->stream_settings.iec958.status[0] & IEC958_AES0_NONAUDIO)
+ player->stream_settings.encoding_mode =
+ UNIPERIF_IEC958_ENCODING_MODE_ENCODED;
+ else
+ player->stream_settings.encoding_mode =
+ UNIPERIF_IEC958_ENCODING_MODE_PCM;
+
+ if (player->stream_settings.encoding_mode ==
+ UNIPERIF_IEC958_ENCODING_MODE_PCM)
+ /* Clear user validity bits */
+ SET_UNIPERIF_USER_VALIDITY_VALIDITY_LR(player, 0);
+ else
+ /* Set user validity bits */
+ SET_UNIPERIF_USER_VALIDITY_VALIDITY_LR(player, 1);
+
+ /* Program the new channel status */
+ for (n = 0; n < 6; ++n) {
+ status =
+ player->stream_settings.iec958.status[0 + (n * 4)] & 0xf;
+ status |=
+ player->stream_settings.iec958.status[1 + (n * 4)] << 8;
+ status |=
+ player->stream_settings.iec958.status[2 + (n * 4)] << 16;
+ status |=
+ player->stream_settings.iec958.status[3 + (n * 4)] << 24;
+ SET_UNIPERIF_CHANNEL_STA_REGN(player, n, status);
+ }
+ mutex_unlock(&player->ctrl_lock);
+
+ /* Update the channel status */
+ if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0)
+ SET_UNIPERIF_CONFIG_CHL_STS_UPDATE(player);
+ else
+ SET_UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE(player);
+}
+
+static int uni_player_prepare_iec958(struct uniperif *player,
+ struct snd_pcm_runtime *runtime)
+{
+ int clk_div;
+
+ clk_div = player->mclk / runtime->rate;
+
+ /* Oversampling must be multiple of 128 as iec958 frame is 32-bits */
+ if ((clk_div % 128) || (clk_div <= 0)) {
+ dev_err(player->dev, "%s: invalid clk_div %d",
+ __func__, clk_div);
+ return -EINVAL;
+ }
+
+ switch (runtime->format) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ /* 16/16 memory format */
+ SET_UNIPERIF_CONFIG_MEM_FMT_16_16(player);
+ /* 16-bits per sub-frame */
+ SET_UNIPERIF_I2S_FMT_NBIT_32(player);
+ /* Set 16-bit sample precision */
+ SET_UNIPERIF_I2S_FMT_DATA_SIZE_16(player);
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ /* 16/0 memory format */
+ SET_UNIPERIF_CONFIG_MEM_FMT_16_0(player);
+ /* 32-bits per sub-frame */
+ SET_UNIPERIF_I2S_FMT_NBIT_32(player);
+ /* Set 24-bit sample precision */
+ SET_UNIPERIF_I2S_FMT_DATA_SIZE_24(player);
+ break;
+ default:
+ dev_err(player->dev, "format not supported");
+ return -EINVAL;
+ }
+
+ /* Set parity to be calculated by the hardware */
+ SET_UNIPERIF_CONFIG_PARITY_CNTR_BY_HW(player);
+
+ /* Set channel status bits to be inserted by the hardware */
+ SET_UNIPERIF_CONFIG_CHANNEL_STA_CNTR_BY_HW(player);
+
+ /* Set user data bits to be inserted by the hardware */
+ SET_UNIPERIF_CONFIG_USER_DAT_CNTR_BY_HW(player);
+
+ /* Set validity bits to be inserted by the hardware */
+ SET_UNIPERIF_CONFIG_VALIDITY_DAT_CNTR_BY_HW(player);
+
+ /* Set full software control to disabled */
+ SET_UNIPERIF_CONFIG_SPDIF_SW_CTRL_DISABLE(player);
+
+ SET_UNIPERIF_CTRL_ZERO_STUFF_HW(player);
+
+ /* Update the channel status */
+ uni_player_set_channel_status(player, runtime);
+
+ /* Clear the user validity user bits */
+ SET_UNIPERIF_USER_VALIDITY_VALIDITY_LR(player, 0);
+
+ /* Disable one-bit audio mode */
+ SET_UNIPERIF_CONFIG_ONE_BIT_AUD_DISABLE(player);
+
+ /* Enable consecutive frames repetition of Z preamble (not for HBRA) */
+ SET_UNIPERIF_CONFIG_REPEAT_CHL_STS_ENABLE(player);
+
+ /* Change to SUF0_SUBF1 and left/right channels swap! */
+ SET_UNIPERIF_CONFIG_SUBFRAME_SEL_SUBF1_SUBF0(player);
+
+ /* Set data output as MSB first */
+ SET_UNIPERIF_I2S_FMT_ORDER_MSB(player);
+
+ if (player->stream_settings.encoding_mode ==
+ UNIPERIF_IEC958_ENCODING_MODE_ENCODED)
+ SET_UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_ON(player);
+ else
+ SET_UNIPERIF_CTRL_EXIT_STBY_ON_EOBLOCK_OFF(player);
+
+ SET_UNIPERIF_I2S_FMT_NUM_CH(player, runtime->channels / 2);
+
+ /* Set rounding to off */
+ SET_UNIPERIF_CTRL_ROUNDING_OFF(player);
+
+ /* Set clock divisor */
+ SET_UNIPERIF_CTRL_DIVIDER(player, clk_div / 128);
+
+ /* Set the spdif latency to not wait before starting player */
+ SET_UNIPERIF_CTRL_SPDIF_LAT_OFF(player);
+
+ /*
+ * Ensure iec958 formatting is off. It will be enabled in function
+ * uni_player_start() at the same time as the operation
+ * mode is set to work around a silicon issue.
+ */
+ if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0)
+ SET_UNIPERIF_CTRL_SPDIF_FMT_OFF(player);
+ else
+ SET_UNIPERIF_CTRL_SPDIF_FMT_ON(player);
+
+ return 0;
+}
+
+static int uni_player_prepare_pcm(struct uniperif *player,
+ struct snd_pcm_runtime *runtime)
+{
+ int output_frame_size, slot_width, clk_div;
+
+ /* Force slot width to 32 in I2S mode (HW constraint) */
+ if ((player->daifmt & SND_SOC_DAIFMT_FORMAT_MASK) ==
+ SND_SOC_DAIFMT_I2S) {
+ slot_width = 32;
+ } else {
+ switch (runtime->format) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ slot_width = 16;
+ break;
+ default:
+ slot_width = 32;
+ break;
+ }
+ }
+ output_frame_size = slot_width * runtime->channels;
+
+ clk_div = player->mclk / runtime->rate;
+ /*
+ * For 32 bits subframe clk_div must be a multiple of 128,
+ * for 16 bits must be a multiple of 64
+ */
+ if ((slot_width == 32) && (clk_div % 128)) {
+ dev_err(player->dev, "%s: invalid clk_div", __func__);
+ return -EINVAL;
+ }
+
+ if ((slot_width == 16) && (clk_div % 64)) {
+ dev_err(player->dev, "%s: invalid clk_div", __func__);
+ return -EINVAL;
+ }
+
+ /*
+ * Number of bits per subframe (which is one channel sample)
+ * on output - Transfer 16 or 32 bits from FIFO
+ */
+ switch (slot_width) {
+ case 32:
+ SET_UNIPERIF_I2S_FMT_NBIT_32(player);
+ SET_UNIPERIF_I2S_FMT_DATA_SIZE_32(player);
+ break;
+ case 16:
+ SET_UNIPERIF_I2S_FMT_NBIT_16(player);
+ SET_UNIPERIF_I2S_FMT_DATA_SIZE_16(player);
+ break;
+ default:
+ dev_err(player->dev, "subframe format not supported");
+ return -EINVAL;
+ }
+
+ /* Configure data memory format */
+ switch (runtime->format) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ /* One data word contains two samples */
+ SET_UNIPERIF_CONFIG_MEM_FMT_16_16(player);
+ break;
+
+ case SNDRV_PCM_FORMAT_S32_LE:
+ /*
+ * Actually "16 bits/0 bits" means "32/28/24/20/18/16 bits
+ * on the left than zeros (if less than 32 bytes)"... ;-)
+ */
+ SET_UNIPERIF_CONFIG_MEM_FMT_16_0(player);
+ break;
+
+ default:
+ dev_err(player->dev, "format not supported");
+ return -EINVAL;
+ }
+
+ /* Set rounding to off */
+ SET_UNIPERIF_CTRL_ROUNDING_OFF(player);
+
+ /* Set clock divisor */
+ SET_UNIPERIF_CTRL_DIVIDER(player, clk_div / (2 * output_frame_size));
+
+ /* Number of channelsmust be even*/
+ if ((runtime->channels % 2) || (runtime->channels < 2) ||
+ (runtime->channels > 10)) {
+ dev_err(player->dev, "%s: invalid nb of channels", __func__);
+ return -EINVAL;
+ }
+
+ SET_UNIPERIF_I2S_FMT_NUM_CH(player, runtime->channels / 2);
+
+ /* Set 1-bit audio format to disabled */
+ SET_UNIPERIF_CONFIG_ONE_BIT_AUD_DISABLE(player);
+
+ SET_UNIPERIF_I2S_FMT_ORDER_MSB(player);
+ SET_UNIPERIF_I2S_FMT_SCLK_EDGE_FALLING(player);
+
+ /* No iec958 formatting as outputting to DAC */
+ SET_UNIPERIF_CTRL_SPDIF_FMT_OFF(player);
+
+ return 0;
+}
+
+/*
+ * ALSA uniperipheral iec958 controls
+ */
+static int uni_player_ctl_iec958_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+ uinfo->count = 1;
+
+ return 0;
+}
+
+static int uni_player_ctl_iec958_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol);
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *player = priv->dai_data.uni;
+ struct snd_aes_iec958 *iec958 = &player->stream_settings.iec958;
+
+ mutex_lock(&player->ctrl_lock);
+ ucontrol->value.iec958.status[0] = iec958->status[0];
+ ucontrol->value.iec958.status[1] = iec958->status[1];
+ ucontrol->value.iec958.status[2] = iec958->status[2];
+ ucontrol->value.iec958.status[3] = iec958->status[3];
+ mutex_unlock(&player->ctrl_lock);
+ return 0;
+}
+
+static int uni_player_ctl_iec958_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol);
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *player = priv->dai_data.uni;
+ struct snd_aes_iec958 *iec958 = &player->stream_settings.iec958;
+
+ mutex_lock(&player->ctrl_lock);
+ iec958->status[0] = ucontrol->value.iec958.status[0];
+ iec958->status[1] = ucontrol->value.iec958.status[1];
+ iec958->status[2] = ucontrol->value.iec958.status[2];
+ iec958->status[3] = ucontrol->value.iec958.status[3];
+ mutex_unlock(&player->ctrl_lock);
+
+ uni_player_set_channel_status(player, NULL);
+
+ return 0;
+}
+
+static struct snd_kcontrol_new uni_player_iec958_ctl = {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
+ .info = uni_player_ctl_iec958_info,
+ .get = uni_player_ctl_iec958_get,
+ .put = uni_player_ctl_iec958_put,
+};
+
+/*
+ * uniperif rate adjustement control
+ */
+static int snd_sti_clk_adjustment_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = UNIPERIF_PLAYER_CLK_ADJ_MIN;
+ uinfo->value.integer.max = UNIPERIF_PLAYER_CLK_ADJ_MAX;
+ uinfo->value.integer.step = 1;
+
+ return 0;
+}
+
+static int snd_sti_clk_adjustment_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol);
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *player = priv->dai_data.uni;
+
+ mutex_lock(&player->ctrl_lock);
+ ucontrol->value.integer.value[0] = player->clk_adj;
+ mutex_unlock(&player->ctrl_lock);
+
+ return 0;
+}
+
+static int snd_sti_clk_adjustment_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol);
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *player = priv->dai_data.uni;
+ int ret = 0;
+
+ if ((ucontrol->value.integer.value[0] < UNIPERIF_PLAYER_CLK_ADJ_MIN) ||
+ (ucontrol->value.integer.value[0] > UNIPERIF_PLAYER_CLK_ADJ_MAX))
+ return -EINVAL;
+
+ mutex_lock(&player->ctrl_lock);
+ player->clk_adj = ucontrol->value.integer.value[0];
+
+ if (player->mclk)
+ ret = uni_player_clk_set_rate(player, player->mclk);
+ mutex_unlock(&player->ctrl_lock);
+
+ return ret;
+}
+
+static struct snd_kcontrol_new uni_player_clk_adj_ctl = {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "PCM Playback Oversampling Freq. Adjustment",
+ .info = snd_sti_clk_adjustment_info,
+ .get = snd_sti_clk_adjustment_get,
+ .put = snd_sti_clk_adjustment_put,
+};
+
+static struct snd_kcontrol_new *snd_sti_pcm_ctl[] = {
+ &uni_player_clk_adj_ctl,
+};
+
+static struct snd_kcontrol_new *snd_sti_iec_ctl[] = {
+ &uni_player_iec958_ctl,
+ &uni_player_clk_adj_ctl,
+};
+
+static int uni_player_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *player = priv->dai_data.uni;
+ player->substream = substream;
+
+ player->clk_adj = 0;
+
+ return 0;
+}
+
+static int uni_player_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+ unsigned int freq, int dir)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *player = priv->dai_data.uni;
+ int ret;
+
+ if (dir == SND_SOC_CLOCK_IN)
+ return 0;
+
+ if (clk_id != 0)
+ return -EINVAL;
+
+ mutex_lock(&player->ctrl_lock);
+ ret = uni_player_clk_set_rate(player, freq);
+ if (!ret)
+ player->mclk = freq;
+ mutex_unlock(&player->ctrl_lock);
+
+ return ret;
+}
+
+static int uni_player_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *player = priv->dai_data.uni;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int transfer_size, trigger_limit;
+ int ret;
+
+ /* The player should be stopped */
+ if (player->state != UNIPERIF_STATE_STOPPED) {
+ dev_err(player->dev, "%s: invalid player state %d", __func__,
+ player->state);
+ return -EINVAL;
+ }
+
+ /* Calculate transfer size (in fifo cells and bytes) for frame count */
+ transfer_size = runtime->channels * UNIPERIF_FIFO_FRAMES;
+
+ /* Calculate number of empty cells available before asserting DREQ */
+ if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) {
+ trigger_limit = UNIPERIF_FIFO_SIZE - transfer_size;
+ } else {
+ /*
+ * Since SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0
+ * FDMA_TRIGGER_LIMIT also controls when the state switches
+ * from OFF or STANDBY to AUDIO DATA.
+ */
+ trigger_limit = transfer_size;
+ }
+
+ /* Trigger limit must be an even number */
+ if ((!trigger_limit % 2) || (trigger_limit != 1 && transfer_size % 2) ||
+ (trigger_limit > UNIPERIF_CONFIG_DMA_TRIG_LIMIT_MASK(player))) {
+ dev_err(player->dev, "invalid trigger limit %d", trigger_limit);
+ return -EINVAL;
+ }
+
+ SET_UNIPERIF_CONFIG_DMA_TRIG_LIMIT(player, trigger_limit);
+
+ /* Uniperipheral setup depends on player type */
+ switch (player->info->player_type) {
+ case SND_ST_UNIPERIF_PLAYER_TYPE_HDMI:
+ ret = uni_player_prepare_iec958(player, runtime);
+ break;
+ case SND_ST_UNIPERIF_PLAYER_TYPE_PCM:
+ ret = uni_player_prepare_pcm(player, runtime);
+ break;
+ case SND_ST_UNIPERIF_PLAYER_TYPE_SPDIF:
+ ret = uni_player_prepare_iec958(player, runtime);
+ break;
+ default:
+ dev_err(player->dev, "invalid player type");
+ return -EINVAL;
+ }
+
+ if (ret)
+ return ret;
+
+ switch (player->daifmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ SET_UNIPERIF_I2S_FMT_LR_POL_LOW(player);
+ SET_UNIPERIF_I2S_FMT_SCLK_EDGE_RISING(player);
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ SET_UNIPERIF_I2S_FMT_LR_POL_HIG(player);
+ SET_UNIPERIF_I2S_FMT_SCLK_EDGE_RISING(player);
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ SET_UNIPERIF_I2S_FMT_LR_POL_LOW(player);
+ SET_UNIPERIF_I2S_FMT_SCLK_EDGE_FALLING(player);
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ SET_UNIPERIF_I2S_FMT_LR_POL_HIG(player);
+ SET_UNIPERIF_I2S_FMT_SCLK_EDGE_FALLING(player);
+ break;
+ }
+
+ switch (player->daifmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ SET_UNIPERIF_I2S_FMT_ALIGN_LEFT(player);
+ SET_UNIPERIF_I2S_FMT_PADDING_I2S_MODE(player);
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ SET_UNIPERIF_I2S_FMT_ALIGN_LEFT(player);
+ SET_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(player);
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ SET_UNIPERIF_I2S_FMT_ALIGN_RIGHT(player);
+ SET_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(player);
+ break;
+ default:
+ dev_err(player->dev, "format not supported");
+ return -EINVAL;
+ }
+
+ SET_UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ(player, 0);
+
+ /* Reset uniperipheral player */
+ SET_UNIPERIF_SOFT_RST_SOFT_RST(player);
+
+ return reset_player(player);
+}
+
+static int uni_player_start(struct uniperif *player)
+{
+ int ret;
+
+ /* The player should be stopped */
+ if (player->state != UNIPERIF_STATE_STOPPED) {
+ dev_err(player->dev, "%s: invalid player state", __func__);
+ return -EINVAL;
+ }
+
+ ret = clk_prepare_enable(player->clk);
+ if (ret) {
+ dev_err(player->dev, "%s: Failed to enable clock", __func__);
+ return ret;
+ }
+
+ /* Clear any pending interrupts */
+ SET_UNIPERIF_ITS_BCLR(player, GET_UNIPERIF_ITS(player));
+
+ /* Set the interrupt mask */
+ SET_UNIPERIF_ITM_BSET_DMA_ERROR(player);
+ SET_UNIPERIF_ITM_BSET_FIFO_ERROR(player);
+
+ /* Enable underflow recovery interrupts */
+ if (player->info->underflow_enabled) {
+ SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE(player);
+ SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED(player);
+ }
+
+ /* Reset uniperipheral player */
+ SET_UNIPERIF_SOFT_RST_SOFT_RST(player);
+
+ ret = reset_player(player);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Does not use IEC61937 features of the uniperipheral hardware.
+ * Instead it performs IEC61937 in software and inserts it directly
+ * into the audio data stream. As such, when encoded mode is selected,
+ * linear pcm mode is still used, but with the differences of the
+ * channel status bits set for encoded mode and the validity bits set.
+ */
+ SET_UNIPERIF_CTRL_OPERATION_PCM_DATA(player);
+
+ /*
+ * If iec958 formatting is required for hdmi or spdif, then it must be
+ * enabled after the operation mode is set. If set prior to this, it
+ * will not take affect and hang the player.
+ */
+ if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0)
+ if (UNIPERIF_PLAYER_TYPE_IS_IEC958(player))
+ SET_UNIPERIF_CTRL_SPDIF_FMT_ON(player);
+
+ /* Force channel status update (no update if clk disable) */
+ if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0)
+ SET_UNIPERIF_CONFIG_CHL_STS_UPDATE(player);
+ else
+ SET_UNIPERIF_BIT_CONTROL_CHL_STS_UPDATE(player);
+
+ /* Update state to started */
+ player->state = UNIPERIF_STATE_STARTED;
+
+ return 0;
+}
+
+static int uni_player_stop(struct uniperif *player)
+{
+ int ret;
+
+ /* The player should not be in stopped state */
+ if (player->state == UNIPERIF_STATE_STOPPED) {
+ dev_err(player->dev, "%s: invalid player state", __func__);
+ return -EINVAL;
+ }
+
+ /* Turn the player off */
+ SET_UNIPERIF_CTRL_OPERATION_OFF(player);
+
+ /* Soft reset the player */
+ SET_UNIPERIF_SOFT_RST_SOFT_RST(player);
+
+ ret = reset_player(player);
+ if (ret < 0)
+ return ret;
+
+ /* Disable interrupts */
+ SET_UNIPERIF_ITM_BCLR(player, GET_UNIPERIF_ITM(player));
+
+ /* Disable clock */
+ clk_disable_unprepare(player->clk);
+
+ /* Update state to stopped and return */
+ player->state = UNIPERIF_STATE_STOPPED;
+
+ return 0;
+}
+
+int uni_player_resume(struct uniperif *player)
+{
+ int ret;
+
+ /* Select the frequency synthesizer clock */
+ if (player->clk_sel) {
+ ret = regmap_field_write(player->clk_sel, 1);
+ if (ret) {
+ dev_err(player->dev,
+ "%s: Failed to select freq synth clock",
+ __func__);
+ return ret;
+ }
+ }
+
+ SET_UNIPERIF_CONFIG_BACK_STALL_REQ_DISABLE(player);
+ SET_UNIPERIF_CTRL_ROUNDING_OFF(player);
+ SET_UNIPERIF_CTRL_SPDIF_LAT_OFF(player);
+ SET_UNIPERIF_CONFIG_IDLE_MOD_DISABLE(player);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(uni_player_resume);
+
+static int uni_player_trigger(struct snd_pcm_substream *substream,
+ int cmd, struct snd_soc_dai *dai)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *player = priv->dai_data.uni;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ return uni_player_start(player);
+ case SNDRV_PCM_TRIGGER_STOP:
+ return uni_player_stop(player);
+ case SNDRV_PCM_TRIGGER_RESUME:
+ return uni_player_resume(player);
+ default:
+ return -EINVAL;
+ }
+}
+
+static void uni_player_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *player = priv->dai_data.uni;
+
+ if (player->state != UNIPERIF_STATE_STOPPED)
+ /* Stop the player */
+ uni_player_stop(player);
+
+ player->substream = NULL;
+}
+
+static int uni_player_parse_dt_clk_glue(struct platform_device *pdev,
+ struct uniperif *player)
+{
+ int bit_offset;
+ struct device_node *node = pdev->dev.of_node;
+ struct regmap *regmap;
+
+ bit_offset = SYS_CFG_AUDI0_GLUE_PCM_CLKX + player->info->id;
+
+ regmap = syscon_regmap_lookup_by_phandle(node, "st,syscfg");
+
+ if (regmap) {
+ struct reg_field regfield =
+ REG_FIELD(SYS_CFG_AUDIO_GLUE, bit_offset, bit_offset);
+
+ player->clk_sel = regmap_field_alloc(regmap, regfield);
+ } else {
+ dev_err(&pdev->dev, "sti-audio-clk-glue syscf not found\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int uni_player_parse_dt(struct platform_device *pdev,
+ struct uniperif *player)
+{
+ struct uniperif_info *info;
+ struct device *dev = &pdev->dev;
+ struct device_node *pnode = pdev->dev.of_node;
+ const char *mode;
+
+ /* Allocate memory for the info structure */
+ info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ if (of_property_read_u32(pnode, "st,version", &player->ver) ||
+ player->ver == SND_ST_UNIPERIF_VERSION_UNKNOWN) {
+ dev_err(dev, "Unknown uniperipheral version ");
+ return -EINVAL;
+ }
+ /* Underflow recovery is only supported on later ip revisions */
+ if (player->ver >= SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0)
+ info->underflow_enabled = 1;
+
+ if (of_property_read_u32(pnode, "st,uniperiph-id", &info->id)) {
+ dev_err(dev, "uniperipheral id not defined");
+ return -EINVAL;
+ }
+
+ /* Read the device mode property */
+ if (of_property_read_string(pnode, "st,mode", &mode)) {
+ dev_err(dev, "uniperipheral mode not defined");
+ return -EINVAL;
+ }
+
+ if (strcasecmp(mode, "hdmi") == 0)
+ info->player_type = SND_ST_UNIPERIF_PLAYER_TYPE_HDMI;
+ else if (strcasecmp(mode, "pcm") == 0)
+ info->player_type = SND_ST_UNIPERIF_PLAYER_TYPE_PCM;
+ else if (strcasecmp(mode, "spdif") == 0)
+ info->player_type = SND_ST_UNIPERIF_PLAYER_TYPE_SPDIF;
+ else
+ info->player_type = SND_ST_UNIPERIF_PLAYER_TYPE_NONE;
+
+ /* Save the info structure */
+ player->info = info;
+
+ /* Get the PCM_CLK_SEL bit from audio-glue-ctrl SoC register */
+ if (uni_player_parse_dt_clk_glue(pdev, player))
+ return -EINVAL;
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops uni_player_dai_ops = {
+ .startup = uni_player_startup,
+ .shutdown = uni_player_shutdown,
+ .prepare = uni_player_prepare,
+ .trigger = uni_player_trigger,
+ .hw_params = sti_uniperiph_dai_hw_params,
+ .set_fmt = sti_uniperiph_dai_set_fmt,
+ .set_sysclk = uni_player_set_sysclk
+};
+
+int uni_player_init(struct platform_device *pdev,
+ struct uniperif *player)
+{
+ int ret = 0;
+
+ player->dev = &pdev->dev;
+ player->state = UNIPERIF_STATE_STOPPED;
+ player->hw = &uni_player_pcm_hw;
+ player->dai_ops = &uni_player_dai_ops;
+
+ ret = uni_player_parse_dt(pdev, player);
+
+ if (ret < 0) {
+ dev_err(player->dev, "Failed to parse DeviceTree");
+ return ret;
+ }
+
+ /* Get uniperif resource */
+ player->clk = of_clk_get(pdev->dev.of_node, 0);
+ if (IS_ERR(player->clk))
+ ret = PTR_ERR(player->clk);
+
+ /* Select the frequency synthesizer clock */
+ if (player->clk_sel) {
+ ret = regmap_field_write(player->clk_sel, 1);
+ if (ret) {
+ dev_err(player->dev,
+ "%s: Failed to select freq synth clock",
+ __func__);
+ return ret;
+ }
+ }
+
+ ret = devm_request_irq(&pdev->dev, player->irq,
+ uni_player_irq_handler, IRQF_SHARED,
+ dev_name(&pdev->dev), player);
+ if (ret < 0)
+ return ret;
+
+ mutex_init(&player->ctrl_lock);
+
+ /* Ensure that disabled by default */
+ SET_UNIPERIF_CONFIG_BACK_STALL_REQ_DISABLE(player);
+ SET_UNIPERIF_CTRL_ROUNDING_OFF(player);
+ SET_UNIPERIF_CTRL_SPDIF_LAT_OFF(player);
+ SET_UNIPERIF_CONFIG_IDLE_MOD_DISABLE(player);
+
+ if (UNIPERIF_PLAYER_TYPE_IS_IEC958(player)) {
+ /* Set default iec958 status bits */
+
+ /* Consumer, PCM, copyright, 2ch, mode 0 */
+ player->stream_settings.iec958.status[0] = 0x00;
+ /* Broadcast reception category */
+ player->stream_settings.iec958.status[1] =
+ IEC958_AES1_CON_GENERAL;
+ /* Do not take into account source or channel number */
+ player->stream_settings.iec958.status[2] =
+ IEC958_AES2_CON_SOURCE_UNSPEC;
+ /* Sampling frequency not indicated */
+ player->stream_settings.iec958.status[3] =
+ IEC958_AES3_CON_FS_NOTID;
+ /* Max sample word 24-bit, sample word length not indicated */
+ player->stream_settings.iec958.status[4] =
+ IEC958_AES4_CON_MAX_WORDLEN_24 |
+ IEC958_AES4_CON_WORDLEN_24_20;
+
+ player->num_ctrls = ARRAY_SIZE(snd_sti_iec_ctl);
+ player->snd_ctrls = snd_sti_iec_ctl[0];
+ } else {
+ player->num_ctrls = ARRAY_SIZE(snd_sti_pcm_ctl);
+ player->snd_ctrls = snd_sti_pcm_ctl[0];
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(uni_player_init);
diff --git a/kernel/sound/soc/sti/uniperif_reader.c b/kernel/sound/soc/sti/uniperif_reader.c
new file mode 100644
index 000000000..8a0eb2050
--- /dev/null
+++ b/kernel/sound/soc/sti/uniperif_reader.c
@@ -0,0 +1,365 @@
+/*
+ * Copyright (C) STMicroelectronics SA 2015
+ * Authors: Arnaud Pouliquen <arnaud.pouliquen@st.com>
+ * for STMicroelectronics.
+ * License terms: GNU General Public License (GPL), version 2
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+
+#include <sound/soc.h>
+
+#include "uniperif.h"
+
+/*
+ * Note: snd_pcm_hardware is linked to DMA controller but is declared here to
+ * integrate unireader capability in term of rate and supported channels
+ */
+static const struct snd_pcm_hardware uni_reader_pcm_hw = {
+ .info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID,
+ .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE,
+
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .rate_min = 8000,
+ .rate_max = 96000,
+
+ .channels_min = 2,
+ .channels_max = 8,
+
+ .periods_min = 2,
+ .periods_max = 48,
+
+ .period_bytes_min = 128,
+ .period_bytes_max = 64 * PAGE_SIZE,
+ .buffer_bytes_max = 256 * PAGE_SIZE
+};
+
+/*
+ * uni_reader_irq_handler
+ * In case of error audio stream is stopped; stop action is protected via PCM
+ * stream lock to avoid race condition with trigger callback.
+ */
+static irqreturn_t uni_reader_irq_handler(int irq, void *dev_id)
+{
+ irqreturn_t ret = IRQ_NONE;
+ struct uniperif *reader = dev_id;
+ unsigned int status;
+
+ if (reader->state == UNIPERIF_STATE_STOPPED) {
+ /* Unexpected IRQ: do nothing */
+ dev_warn(reader->dev, "unexpected IRQ ");
+ return IRQ_HANDLED;
+ }
+
+ /* Get interrupt status & clear them immediately */
+ status = GET_UNIPERIF_ITS(reader);
+ SET_UNIPERIF_ITS_BCLR(reader, status);
+
+ /* Check for fifo overflow error */
+ if (unlikely(status & UNIPERIF_ITS_FIFO_ERROR_MASK(reader))) {
+ dev_err(reader->dev, "FIFO error detected");
+
+ snd_pcm_stream_lock(reader->substream);
+ snd_pcm_stop(reader->substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(reader->substream);
+
+ return IRQ_HANDLED;
+ }
+
+ return ret;
+}
+
+static int uni_reader_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *reader = priv->dai_data.uni;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int transfer_size, trigger_limit;
+ int slot_width;
+ int count = 10;
+
+ /* The reader should be stopped */
+ if (reader->state != UNIPERIF_STATE_STOPPED) {
+ dev_err(reader->dev, "%s: invalid reader state %d", __func__,
+ reader->state);
+ return -EINVAL;
+ }
+
+ /* Calculate transfer size (in fifo cells and bytes) for frame count */
+ transfer_size = runtime->channels * UNIPERIF_FIFO_FRAMES;
+
+ /* Calculate number of empty cells available before asserting DREQ */
+ if (reader->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0)
+ trigger_limit = UNIPERIF_FIFO_SIZE - transfer_size;
+ else
+ /*
+ * Since SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0
+ * FDMA_TRIGGER_LIMIT also controls when the state switches
+ * from OFF or STANDBY to AUDIO DATA.
+ */
+ trigger_limit = transfer_size;
+
+ /* Trigger limit must be an even number */
+ if ((!trigger_limit % 2) ||
+ (trigger_limit != 1 && transfer_size % 2) ||
+ (trigger_limit > UNIPERIF_CONFIG_DMA_TRIG_LIMIT_MASK(reader))) {
+ dev_err(reader->dev, "invalid trigger limit %d", trigger_limit);
+ return -EINVAL;
+ }
+
+ SET_UNIPERIF_CONFIG_DMA_TRIG_LIMIT(reader, trigger_limit);
+
+ switch (reader->daifmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_IB_IF:
+ case SND_SOC_DAIFMT_NB_IF:
+ SET_UNIPERIF_I2S_FMT_LR_POL_HIG(reader);
+ break;
+ default:
+ SET_UNIPERIF_I2S_FMT_LR_POL_LOW(reader);
+ }
+
+ /* Force slot width to 32 in I2S mode */
+ if ((reader->daifmt & SND_SOC_DAIFMT_FORMAT_MASK)
+ == SND_SOC_DAIFMT_I2S) {
+ slot_width = 32;
+ } else {
+ switch (runtime->format) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ slot_width = 16;
+ break;
+ default:
+ slot_width = 32;
+ break;
+ }
+ }
+
+ /* Number of bits per subframe (i.e one channel sample) on input. */
+ switch (slot_width) {
+ case 32:
+ SET_UNIPERIF_I2S_FMT_NBIT_32(reader);
+ SET_UNIPERIF_I2S_FMT_DATA_SIZE_32(reader);
+ break;
+ case 16:
+ SET_UNIPERIF_I2S_FMT_NBIT_16(reader);
+ SET_UNIPERIF_I2S_FMT_DATA_SIZE_16(reader);
+ break;
+ default:
+ dev_err(reader->dev, "subframe format not supported");
+ return -EINVAL;
+ }
+
+ /* Configure data memory format */
+ switch (runtime->format) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ /* One data word contains two samples */
+ SET_UNIPERIF_CONFIG_MEM_FMT_16_16(reader);
+ break;
+
+ case SNDRV_PCM_FORMAT_S32_LE:
+ /*
+ * Actually "16 bits/0 bits" means "32/28/24/20/18/16 bits
+ * on the MSB then zeros (if less than 32 bytes)"...
+ */
+ SET_UNIPERIF_CONFIG_MEM_FMT_16_0(reader);
+ break;
+
+ default:
+ dev_err(reader->dev, "format not supported");
+ return -EINVAL;
+ }
+
+ switch (reader->daifmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ SET_UNIPERIF_I2S_FMT_ALIGN_LEFT(reader);
+ SET_UNIPERIF_I2S_FMT_PADDING_I2S_MODE(reader);
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ SET_UNIPERIF_I2S_FMT_ALIGN_LEFT(reader);
+ SET_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(reader);
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ SET_UNIPERIF_I2S_FMT_ALIGN_RIGHT(reader);
+ SET_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(reader);
+ break;
+ default:
+ dev_err(reader->dev, "format not supported");
+ return -EINVAL;
+ }
+
+ SET_UNIPERIF_I2S_FMT_ORDER_MSB(reader);
+
+ /* Data clocking (changing) on the rising edge */
+ SET_UNIPERIF_I2S_FMT_SCLK_EDGE_RISING(reader);
+
+ /* Number of channels must be even */
+
+ if ((runtime->channels % 2) || (runtime->channels < 2) ||
+ (runtime->channels > 10)) {
+ dev_err(reader->dev, "%s: invalid nb of channels", __func__);
+ return -EINVAL;
+ }
+
+ SET_UNIPERIF_I2S_FMT_NUM_CH(reader, runtime->channels / 2);
+
+ /* Clear any pending interrupts */
+ SET_UNIPERIF_ITS_BCLR(reader, GET_UNIPERIF_ITS(reader));
+
+ SET_UNIPERIF_I2S_FMT_NO_OF_SAMPLES_TO_READ(reader, 0);
+
+ /* Set the interrupt mask */
+ SET_UNIPERIF_ITM_BSET_DMA_ERROR(reader);
+ SET_UNIPERIF_ITM_BSET_FIFO_ERROR(reader);
+ SET_UNIPERIF_ITM_BSET_MEM_BLK_READ(reader);
+
+ /* Enable underflow recovery interrupts */
+ if (reader->info->underflow_enabled) {
+ SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE(reader);
+ SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED(reader);
+ }
+
+ /* Reset uniperipheral reader */
+ SET_UNIPERIF_SOFT_RST_SOFT_RST(reader);
+
+ while (GET_UNIPERIF_SOFT_RST_SOFT_RST(reader)) {
+ udelay(5);
+ count--;
+ }
+ if (!count) {
+ dev_err(reader->dev, "Failed to reset uniperif");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int uni_reader_start(struct uniperif *reader)
+{
+ /* The reader should be stopped */
+ if (reader->state != UNIPERIF_STATE_STOPPED) {
+ dev_err(reader->dev, "%s: invalid reader state", __func__);
+ return -EINVAL;
+ }
+
+ /* Enable reader interrupts (and clear possible stalled ones) */
+ SET_UNIPERIF_ITS_BCLR_FIFO_ERROR(reader);
+ SET_UNIPERIF_ITM_BSET_FIFO_ERROR(reader);
+
+ /* Launch the reader */
+ SET_UNIPERIF_CTRL_OPERATION_PCM_DATA(reader);
+
+ /* Update state to started */
+ reader->state = UNIPERIF_STATE_STARTED;
+ return 0;
+}
+
+static int uni_reader_stop(struct uniperif *reader)
+{
+ /* The reader should not be in stopped state */
+ if (reader->state == UNIPERIF_STATE_STOPPED) {
+ dev_err(reader->dev, "%s: invalid reader state", __func__);
+ return -EINVAL;
+ }
+
+ /* Turn the reader off */
+ SET_UNIPERIF_CTRL_OPERATION_OFF(reader);
+
+ /* Disable interrupts */
+ SET_UNIPERIF_ITM_BCLR(reader, GET_UNIPERIF_ITM(reader));
+
+ /* Update state to stopped and return */
+ reader->state = UNIPERIF_STATE_STOPPED;
+
+ return 0;
+}
+
+static int uni_reader_trigger(struct snd_pcm_substream *substream,
+ int cmd, struct snd_soc_dai *dai)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *reader = priv->dai_data.uni;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ return uni_reader_start(reader);
+ case SNDRV_PCM_TRIGGER_STOP:
+ return uni_reader_stop(reader);
+ default:
+ return -EINVAL;
+ }
+}
+
+static void uni_reader_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
+ struct uniperif *reader = priv->dai_data.uni;
+
+ if (reader->state != UNIPERIF_STATE_STOPPED) {
+ /* Stop the reader */
+ uni_reader_stop(reader);
+ }
+}
+
+static int uni_reader_parse_dt(struct platform_device *pdev,
+ struct uniperif *reader)
+{
+ struct uniperif_info *info;
+ struct device_node *node = pdev->dev.of_node;
+
+ /* Allocate memory for the info structure */
+ info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ if (of_property_read_u32(node, "st,version", &reader->ver) ||
+ reader->ver == SND_ST_UNIPERIF_VERSION_UNKNOWN) {
+ dev_err(&pdev->dev, "Unknown uniperipheral version ");
+ return -EINVAL;
+ }
+
+ /* Save the info structure */
+ reader->info = info;
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops uni_reader_dai_ops = {
+ .shutdown = uni_reader_shutdown,
+ .prepare = uni_reader_prepare,
+ .trigger = uni_reader_trigger,
+ .hw_params = sti_uniperiph_dai_hw_params,
+ .set_fmt = sti_uniperiph_dai_set_fmt,
+};
+
+int uni_reader_init(struct platform_device *pdev,
+ struct uniperif *reader)
+{
+ int ret = 0;
+
+ reader->dev = &pdev->dev;
+ reader->state = UNIPERIF_STATE_STOPPED;
+ reader->hw = &uni_reader_pcm_hw;
+ reader->dai_ops = &uni_reader_dai_ops;
+
+ ret = uni_reader_parse_dt(pdev, reader);
+ if (ret < 0) {
+ dev_err(reader->dev, "Failed to parse DeviceTree");
+ return ret;
+ }
+
+ ret = devm_request_irq(&pdev->dev, reader->irq,
+ uni_reader_irq_handler, IRQF_SHARED,
+ dev_name(&pdev->dev), reader);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to request IRQ");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(uni_reader_init);