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-rw-r--r--sound/soc/sh/Kconfig33
-rw-r--r--sound/soc/sh/Makefile9
-rw-r--r--sound/soc/sh/dma-sh7760.c27
-rw-r--r--sound/soc/sh/fsi-ak4642.c108
-rw-r--r--sound/soc/sh/fsi-da7210.c81
-rw-r--r--sound/soc/sh/fsi-hdmi.c118
-rw-r--r--sound/soc/sh/fsi.c1722
-rw-r--r--sound/soc/sh/hac.c24
-rw-r--r--sound/soc/sh/migor.c23
-rw-r--r--sound/soc/sh/rcar/Makefile2
-rw-r--r--sound/soc/sh/rcar/adg.c442
-rw-r--r--sound/soc/sh/rcar/core.c1120
-rw-r--r--sound/soc/sh/rcar/dvc.c289
-rw-r--r--sound/soc/sh/rcar/gen.c508
-rw-r--r--sound/soc/sh/rcar/rsnd.h423
-rw-r--r--sound/soc/sh/rcar/src.c687
-rw-r--r--sound/soc/sh/rcar/ssi.c657
-rw-r--r--sound/soc/sh/siu_dai.c20
-rw-r--r--sound/soc/sh/siu_pcm.c16
-rw-r--r--sound/soc/sh/ssi.c16
20 files changed, 5433 insertions, 892 deletions
diff --git a/sound/soc/sh/Kconfig b/sound/soc/sh/Kconfig
index d8e06a607a2..b43fdf0d08a 100644
--- a/sound/soc/sh/Kconfig
+++ b/sound/soc/sh/Kconfig
@@ -22,6 +22,7 @@ config SND_SOC_SH4_SSI
config SND_SOC_SH4_FSI
tristate "SH4 FSI support"
+ select SND_SIMPLE_CARD
help
This option enables FSI sound support
@@ -33,6 +34,13 @@ config SND_SOC_SH4_SIU
select SH_DMAE
select FW_LOADER
+config SND_SOC_RCAR
+ tristate "R-Car series SRU/SCU/SSIU/SSI support"
+ select SND_SIMPLE_CARD
+ select REGMAP
+ help
+ This option enables R-Car SUR/SCU/SSIU/SSI sound support
+
##
## Boards
##
@@ -46,32 +54,9 @@ config SND_SH7760_AC97
This option enables generic sound support for the first
AC97 unit of the SH7760.
-config SND_FSI_AK4642
- tristate "FSI-AK4642 sound support"
- depends on SND_SOC_SH4_FSI && I2C
- select SND_SOC_AK4642
- help
- This option enables generic sound support for the
- FSI - AK4642 unit
-
-config SND_FSI_DA7210
- tristate "FSI-DA7210 sound support"
- depends on SND_SOC_SH4_FSI && I2C
- select SND_SOC_DA7210
- help
- This option enables generic sound support for the
- FSI - DA7210 unit
-
-config SND_FSI_HDMI
- tristate "FSI-HDMI sound support"
- depends on SND_SOC_SH4_FSI && FB_SH_MOBILE_HDMI
- help
- This option enables generic sound support for the
- FSI - HDMI unit
-
config SND_SIU_MIGOR
tristate "SIU sound support on Migo-R"
- depends on SH_MIGOR
+ depends on SH_MIGOR && I2C
select SND_SOC_SH4_SIU
select SND_SOC_WM8978
help
diff --git a/sound/soc/sh/Makefile b/sound/soc/sh/Makefile
index 94476d4c0fd..aaf3dcd1ee2 100644
--- a/sound/soc/sh/Makefile
+++ b/sound/soc/sh/Makefile
@@ -12,15 +12,12 @@ obj-$(CONFIG_SND_SOC_SH4_SSI) += snd-soc-ssi.o
obj-$(CONFIG_SND_SOC_SH4_FSI) += snd-soc-fsi.o
obj-$(CONFIG_SND_SOC_SH4_SIU) += snd-soc-siu.o
+## audio units for R-Car
+obj-$(CONFIG_SND_SOC_RCAR) += rcar/
+
## boards
snd-soc-sh7760-ac97-objs := sh7760-ac97.o
-snd-soc-fsi-ak4642-objs := fsi-ak4642.o
-snd-soc-fsi-da7210-objs := fsi-da7210.o
-snd-soc-fsi-hdmi-objs := fsi-hdmi.o
snd-soc-migor-objs := migor.o
obj-$(CONFIG_SND_SH7760_AC97) += snd-soc-sh7760-ac97.o
-obj-$(CONFIG_SND_FSI_AK4642) += snd-soc-fsi-ak4642.o
-obj-$(CONFIG_SND_FSI_DA7210) += snd-soc-fsi-da7210.o
-obj-$(CONFIG_SND_FSI_HDMI) += snd-soc-fsi-hdmi.o
obj-$(CONFIG_SND_SIU_MIGOR) += snd-soc-migor.o
diff --git a/sound/soc/sh/dma-sh7760.c b/sound/soc/sh/dma-sh7760.c
index 7da20186b19..c85f8eb66c9 100644
--- a/sound/soc/sh/dma-sh7760.c
+++ b/sound/soc/sh/dma-sh7760.c
@@ -89,29 +89,12 @@ struct camelot_pcm {
#define DMABRG_PREALLOC_BUFFER 32 * 1024
#define DMABRG_PREALLOC_BUFFER_MAX 32 * 1024
-/* support everything the SSI supports */
-#define DMABRG_RATES \
- SNDRV_PCM_RATE_8000_192000
-
-#define DMABRG_FMTS \
- (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | \
- SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE | \
- SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_U20_3LE | \
- SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3LE | \
- SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_U32_LE)
-
static struct snd_pcm_hardware camelot_pcm_hardware = {
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH),
- .formats = DMABRG_FMTS,
- .rates = DMABRG_RATES,
- .rate_min = 8000,
- .rate_max = 192000,
- .channels_min = 2,
- .channels_max = 8, /* max of the SSI */
.buffer_bytes_max = DMABRG_PERIOD_MAX,
.period_bytes_min = DMABRG_PERIOD_MIN,
.period_bytes_max = DMABRG_PERIOD_MAX / 2,
@@ -342,18 +325,18 @@ static int camelot_pcm_new(struct snd_soc_pcm_runtime *rtd)
return 0;
}
-static struct snd_soc_platform sh7760_soc_platform = {
- .pcm_ops = &camelot_pcm_ops,
+static struct snd_soc_platform_driver sh7760_soc_platform = {
+ .ops = &camelot_pcm_ops,
.pcm_new = camelot_pcm_new,
.pcm_free = camelot_pcm_free,
};
-static int __devinit sh7760_soc_platform_probe(struct platform_device *pdev)
+static int sh7760_soc_platform_probe(struct platform_device *pdev)
{
return snd_soc_register_platform(&pdev->dev, &sh7760_soc_platform);
}
-static int __devexit sh7760_soc_platform_remove(struct platform_device *pdev)
+static int sh7760_soc_platform_remove(struct platform_device *pdev)
{
snd_soc_unregister_platform(&pdev->dev);
return 0;
@@ -366,7 +349,7 @@ static struct platform_driver sh7760_pcm_driver = {
},
.probe = sh7760_soc_platform_probe,
- .remove = __devexit_p(sh7760_soc_platform_remove),
+ .remove = sh7760_soc_platform_remove,
};
module_platform_driver(sh7760_pcm_driver);
diff --git a/sound/soc/sh/fsi-ak4642.c b/sound/soc/sh/fsi-ak4642.c
deleted file mode 100644
index 97f540aabbd..00000000000
--- a/sound/soc/sh/fsi-ak4642.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * FSI-AK464x sound support for ms7724se
- *
- * Copyright (C) 2009 Renesas Solutions Corp.
- * Kuninori Morimoto <morimoto.kuninori@renesas.com>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <sound/sh_fsi.h>
-
-struct fsi_ak4642_data {
- const char *name;
- const char *card;
- const char *cpu_dai;
- const char *codec;
- const char *platform;
- int id;
-};
-
-static int fsi_ak4642_dai_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_dai *codec = rtd->codec_dai;
- struct snd_soc_dai *cpu = rtd->cpu_dai;
- int ret;
-
- ret = snd_soc_dai_set_fmt(codec, SND_SOC_DAIFMT_LEFT_J |
- SND_SOC_DAIFMT_CBM_CFM);
- if (ret < 0)
- return ret;
-
- ret = snd_soc_dai_set_sysclk(codec, 0, 11289600, 0);
- if (ret < 0)
- return ret;
-
- ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_LEFT_J |
- SND_SOC_DAIFMT_CBS_CFS);
-
- return ret;
-}
-
-static struct snd_soc_dai_link fsi_dai_link = {
- .codec_dai_name = "ak4642-hifi",
- .init = fsi_ak4642_dai_init,
-};
-
-static struct snd_soc_card fsi_soc_card = {
- .owner = THIS_MODULE,
- .dai_link = &fsi_dai_link,
- .num_links = 1,
-};
-
-static struct platform_device *fsi_snd_device;
-
-static int fsi_ak4642_probe(struct platform_device *pdev)
-{
- int ret = -ENOMEM;
- struct fsi_ak4642_info *pinfo = pdev->dev.platform_data;
-
- if (!pinfo) {
- dev_err(&pdev->dev, "no info for fsi ak4642\n");
- goto out;
- }
-
- fsi_snd_device = platform_device_alloc("soc-audio", pinfo->id);
- if (!fsi_snd_device)
- goto out;
-
- fsi_dai_link.name = pinfo->name;
- fsi_dai_link.stream_name = pinfo->name;
- fsi_dai_link.cpu_dai_name = pinfo->cpu_dai;
- fsi_dai_link.platform_name = pinfo->platform;
- fsi_dai_link.codec_name = pinfo->codec;
- fsi_soc_card.name = pinfo->card;
-
- platform_set_drvdata(fsi_snd_device, &fsi_soc_card);
- ret = platform_device_add(fsi_snd_device);
-
- if (ret)
- platform_device_put(fsi_snd_device);
-
-out:
- return ret;
-}
-
-static int fsi_ak4642_remove(struct platform_device *pdev)
-{
- platform_device_unregister(fsi_snd_device);
- return 0;
-}
-
-static struct platform_driver fsi_ak4642 = {
- .driver = {
- .name = "fsi-ak4642-audio",
- },
- .probe = fsi_ak4642_probe,
- .remove = fsi_ak4642_remove,
-};
-
-module_platform_driver(fsi_ak4642);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Generic SH4 FSI-AK4642 sound card");
-MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
diff --git a/sound/soc/sh/fsi-da7210.c b/sound/soc/sh/fsi-da7210.c
deleted file mode 100644
index 1dd3354c741..00000000000
--- a/sound/soc/sh/fsi-da7210.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * fsi-da7210.c
- *
- * Copyright (C) 2009 Renesas Solutions Corp.
- * Kuninori Morimoto <morimoto.kuninori@renesas.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <sound/sh_fsi.h>
-
-static int fsi_da7210_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_dai *codec = rtd->codec_dai;
- struct snd_soc_dai *cpu = rtd->cpu_dai;
- int ret;
-
- ret = snd_soc_dai_set_fmt(codec,
- SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_CBM_CFM);
- if (ret < 0)
- return ret;
-
- ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_CBS_CFS);
-
- return ret;
-}
-
-static struct snd_soc_dai_link fsi_da7210_dai = {
- .name = "DA7210",
- .stream_name = "DA7210",
- .cpu_dai_name = "fsib-dai", /* FSI B */
- .codec_dai_name = "da7210-hifi",
- .platform_name = "sh_fsi.0",
- .codec_name = "da7210-codec.0-001a",
- .init = fsi_da7210_init,
-};
-
-static struct snd_soc_card fsi_soc_card = {
- .name = "FSI-DA7210",
- .owner = THIS_MODULE,
- .dai_link = &fsi_da7210_dai,
- .num_links = 1,
-};
-
-static struct platform_device *fsi_da7210_snd_device;
-
-static int __init fsi_da7210_sound_init(void)
-{
- int ret;
-
- fsi_da7210_snd_device = platform_device_alloc("soc-audio", FSI_PORT_B);
- if (!fsi_da7210_snd_device)
- return -ENOMEM;
-
- platform_set_drvdata(fsi_da7210_snd_device, &fsi_soc_card);
- ret = platform_device_add(fsi_da7210_snd_device);
- if (ret)
- platform_device_put(fsi_da7210_snd_device);
-
- return ret;
-}
-
-static void __exit fsi_da7210_sound_exit(void)
-{
- platform_device_unregister(fsi_da7210_snd_device);
-}
-
-module_init(fsi_da7210_sound_init);
-module_exit(fsi_da7210_sound_exit);
-
-/* Module information */
-MODULE_DESCRIPTION("ALSA SoC FSI DA2710");
-MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
-MODULE_LICENSE("GPL");
diff --git a/sound/soc/sh/fsi-hdmi.c b/sound/soc/sh/fsi-hdmi.c
deleted file mode 100644
index 6e41908323e..00000000000
--- a/sound/soc/sh/fsi-hdmi.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * FSI - HDMI sound support
- *
- * Copyright (C) 2010 Renesas Solutions Corp.
- * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <sound/sh_fsi.h>
-
-struct fsi_hdmi_data {
- const char *cpu_dai;
- const char *card;
- int id;
-};
-
-static int fsi_hdmi_dai_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_dai *cpu = rtd->cpu_dai;
- int ret;
-
- ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_CBM_CFM);
-
- return ret;
-}
-
-static struct snd_soc_dai_link fsi_dai_link = {
- .name = "HDMI",
- .stream_name = "HDMI",
- .codec_dai_name = "sh_mobile_hdmi-hifi",
- .platform_name = "sh_fsi2",
- .codec_name = "sh-mobile-hdmi",
- .init = fsi_hdmi_dai_init,
-};
-
-static struct snd_soc_card fsi_soc_card = {
- .owner = THIS_MODULE,
- .dai_link = &fsi_dai_link,
- .num_links = 1,
-};
-
-static struct platform_device *fsi_snd_device;
-
-static int fsi_hdmi_probe(struct platform_device *pdev)
-{
- int ret = -ENOMEM;
- const struct platform_device_id *id_entry;
- struct fsi_hdmi_data *pdata;
-
- id_entry = pdev->id_entry;
- if (!id_entry) {
- dev_err(&pdev->dev, "unknown fsi hdmi\n");
- return -ENODEV;
- }
-
- pdata = (struct fsi_hdmi_data *)id_entry->driver_data;
-
- fsi_snd_device = platform_device_alloc("soc-audio", pdata->id);
- if (!fsi_snd_device)
- goto out;
-
- fsi_dai_link.cpu_dai_name = pdata->cpu_dai;
- fsi_soc_card.name = pdata->card;
-
- platform_set_drvdata(fsi_snd_device, &fsi_soc_card);
- ret = platform_device_add(fsi_snd_device);
-
- if (ret)
- platform_device_put(fsi_snd_device);
-
-out:
- return ret;
-}
-
-static int fsi_hdmi_remove(struct platform_device *pdev)
-{
- platform_device_unregister(fsi_snd_device);
- return 0;
-}
-
-static struct fsi_hdmi_data fsi2_a_hdmi = {
- .cpu_dai = "fsia-dai",
- .card = "FSI2A-HDMI",
- .id = FSI_PORT_A,
-};
-
-static struct fsi_hdmi_data fsi2_b_hdmi = {
- .cpu_dai = "fsib-dai",
- .card = "FSI2B-HDMI",
- .id = FSI_PORT_B,
-};
-
-static struct platform_device_id fsi_id_table[] = {
- /* FSI 2 */
- { "sh_fsi2_a_hdmi", (kernel_ulong_t)&fsi2_a_hdmi },
- { "sh_fsi2_b_hdmi", (kernel_ulong_t)&fsi2_b_hdmi },
- {},
-};
-
-static struct platform_driver fsi_hdmi = {
- .driver = {
- .name = "fsi-hdmi-audio",
- },
- .probe = fsi_hdmi_probe,
- .remove = fsi_hdmi_remove,
- .id_table = fsi_id_table,
-};
-
-module_platform_driver(fsi_hdmi);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Generic SH4 FSI-HDMI sound card");
-MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index ea4a82d0116..710a079a737 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -13,11 +13,18 @@
*/
#include <linux/delay.h>
+#include <linux/dma-mapping.h>
#include <linux/pm_runtime.h>
#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/scatterlist.h>
+#include <linux/sh_dma.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/workqueue.h>
#include <sound/soc.h>
+#include <sound/pcm_params.h>
#include <sound/sh_fsi.h>
/* PortA/PortB register */
@@ -53,6 +60,7 @@
/* DO_FMT */
/* DI_FMT */
+#define CR_BWS_MASK (0x3 << 20) /* FSI2 */
#define CR_BWS_24 (0x0 << 20) /* FSI2 */
#define CR_BWS_16 (0x1 << 20) /* FSI2 */
#define CR_BWS_20 (0x2 << 20) /* FSI2 */
@@ -68,6 +76,15 @@
#define CR_TDM (0x4 << 4)
#define CR_TDM_D (0x5 << 4)
+/* OUT_DMAC */
+/* IN_DMAC */
+#define VDMD_MASK (0x3 << 4)
+#define VDMD_FRONT (0x0 << 4) /* Package in front */
+#define VDMD_BACK (0x1 << 4) /* Package in back */
+#define VDMD_STREAM (0x2 << 4) /* Stream mode(16bit * 2) */
+
+#define DMA_ON (0x1 << 0)
+
/* DOFF_CTL */
/* DIFF_CTL */
#define IRQ_HALF 0x00100000
@@ -116,7 +133,24 @@
#define FSI_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
-typedef int (*set_rate_func)(struct device *dev, int is_porta, int rate, int enable);
+/*
+ * bus options
+ *
+ * 0x000000BA
+ *
+ * A : sample widtht 16bit setting
+ * B : sample widtht 24bit setting
+ */
+
+#define SHIFT_16DATA 0
+#define SHIFT_24DATA 4
+
+#define PACKAGE_24BITBUS_BACK 0
+#define PACKAGE_24BITBUS_FRONT 1
+#define PACKAGE_16BITBUS_STREAM 2
+
+#define BUSOP_SET(s, a) ((a) << SHIFT_ ## s ## DATA)
+#define BUSOP_GET(s, a) (((a) >> SHIFT_ ## s ## DATA) & 0xF)
/*
* FSI driver use below type name for variable
@@ -156,20 +190,66 @@ typedef int (*set_rate_func)(struct device *dev, int is_porta, int rate, int ena
*/
/*
+ * FSI clock
+ *
+ * FSIxCLK [CPG] (ick) -------> |
+ * |-> FSI_DIV (div)-> FSI2
+ * FSIxCK [external] (xck) ---> |
+ */
+
+/*
* struct
*/
+struct fsi_stream_handler;
struct fsi_stream {
- struct snd_pcm_substream *substream;
+ /*
+ * these are initialized by fsi_stream_init()
+ */
+ struct snd_pcm_substream *substream;
int fifo_sample_capa; /* sample capacity of FSI FIFO */
int buff_sample_capa; /* sample capacity of ALSA buffer */
int buff_sample_pos; /* sample position of ALSA buffer */
int period_samples; /* sample number / 1 period */
int period_pos; /* current period position */
-
+ int sample_width; /* sample width */
int uerr_num;
int oerr_num;
+
+ /*
+ * bus options
+ */
+ u32 bus_option;
+
+ /*
+ * thse are initialized by fsi_handler_init()
+ */
+ struct fsi_stream_handler *handler;
+ struct fsi_priv *priv;
+
+ /*
+ * these are for DMAEngine
+ */
+ struct dma_chan *chan;
+ struct work_struct work;
+ dma_addr_t dma;
+ int dma_id;
+ int loop_cnt;
+ int additional_pos;
+};
+
+struct fsi_clk {
+ /* see [FSI clock] */
+ struct clk *own;
+ struct clk *xck;
+ struct clk *ick;
+ struct clk *div;
+ int (*set_rate)(struct device *dev,
+ struct fsi_priv *fsi);
+
+ unsigned long rate;
+ unsigned int count;
};
struct fsi_priv {
@@ -179,15 +259,32 @@ struct fsi_priv {
struct fsi_stream playback;
struct fsi_stream capture;
- u32 do_fmt;
- u32 di_fmt;
+ struct fsi_clk clock;
+
+ u32 fmt;
int chan_num:16;
int clk_master:1;
+ int clk_cpg:1;
int spdif:1;
+ int enable_stream:1;
+ int bit_clk_inv:1;
+ int lr_clk_inv:1;
+};
- long rate;
+struct fsi_stream_handler {
+ int (*init)(struct fsi_priv *fsi, struct fsi_stream *io);
+ int (*quit)(struct fsi_priv *fsi, struct fsi_stream *io);
+ int (*probe)(struct fsi_priv *fsi, struct fsi_stream *io, struct device *dev);
+ int (*transfer)(struct fsi_priv *fsi, struct fsi_stream *io);
+ int (*remove)(struct fsi_priv *fsi, struct fsi_stream *io);
+ int (*start_stop)(struct fsi_priv *fsi, struct fsi_stream *io,
+ int enable);
};
+#define fsi_stream_handler_call(io, func, args...) \
+ (!(io) ? -ENODEV : \
+ !((io)->handler->func) ? 0 : \
+ (io)->handler->func(args))
struct fsi_core {
int ver;
@@ -201,14 +298,14 @@ struct fsi_core {
struct fsi_master {
void __iomem *base;
- int irq;
struct fsi_priv fsia;
struct fsi_priv fsib;
- struct fsi_core *core;
- struct sh_fsi_platform_info *info;
+ const struct fsi_core *core;
spinlock_t lock;
};
+static int fsi_stream_is_play(struct fsi_priv *fsi, struct fsi_stream *io);
+
/*
* basic read write function
*/
@@ -274,6 +371,10 @@ static void _fsi_master_mask_set(struct fsi_master *master,
/*
* basic function
*/
+static int fsi_version(struct fsi_master *master)
+{
+ return master->core->ver;
+}
static struct fsi_master *fsi_get_master(struct fsi_priv *fsi)
{
@@ -295,6 +396,16 @@ static int fsi_is_spdif(struct fsi_priv *fsi)
return fsi->spdif;
}
+static int fsi_is_enable_stream(struct fsi_priv *fsi)
+{
+ return fsi->enable_stream;
+}
+
+static int fsi_is_play(struct snd_pcm_substream *substream)
+{
+ return substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
+}
+
static struct snd_soc_dai *fsi_get_dai(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
@@ -317,85 +428,105 @@ static struct fsi_priv *fsi_get_priv(struct snd_pcm_substream *substream)
return fsi_get_priv_frm_dai(fsi_get_dai(substream));
}
-static set_rate_func fsi_get_info_set_rate(struct fsi_master *master)
-{
- if (!master->info)
- return NULL;
-
- return master->info->set_rate;
-}
-
-static u32 fsi_get_info_flags(struct fsi_priv *fsi)
+static u32 fsi_get_port_shift(struct fsi_priv *fsi, struct fsi_stream *io)
{
+ int is_play = fsi_stream_is_play(fsi, io);
int is_porta = fsi_is_port_a(fsi);
- struct fsi_master *master = fsi_get_master(fsi);
+ u32 shift;
- if (!master->info)
- return 0;
+ if (is_porta)
+ shift = is_play ? AO_SHIFT : AI_SHIFT;
+ else
+ shift = is_play ? BO_SHIFT : BI_SHIFT;
- return is_porta ? master->info->porta_flags :
- master->info->portb_flags;
+ return shift;
}
-static inline int fsi_stream_is_play(int stream)
+static int fsi_frame2sample(struct fsi_priv *fsi, int frames)
{
- return stream == SNDRV_PCM_STREAM_PLAYBACK;
+ return frames * fsi->chan_num;
}
-static inline int fsi_is_play(struct snd_pcm_substream *substream)
+static int fsi_sample2frame(struct fsi_priv *fsi, int samples)
{
- return fsi_stream_is_play(substream->stream);
+ return samples / fsi->chan_num;
}
-static inline struct fsi_stream *fsi_get_stream(struct fsi_priv *fsi,
- int is_play)
+static int fsi_get_current_fifo_samples(struct fsi_priv *fsi,
+ struct fsi_stream *io)
{
- return is_play ? &fsi->playback : &fsi->capture;
+ int is_play = fsi_stream_is_play(fsi, io);
+ u32 status;
+ int frames;
+
+ status = is_play ?
+ fsi_reg_read(fsi, DOFF_ST) :
+ fsi_reg_read(fsi, DIFF_ST);
+
+ frames = 0x1ff & (status >> 8);
+
+ return fsi_frame2sample(fsi, frames);
}
-static u32 fsi_get_port_shift(struct fsi_priv *fsi, int is_play)
+static void fsi_count_fifo_err(struct fsi_priv *fsi)
{
- int is_porta = fsi_is_port_a(fsi);
- u32 shift;
+ u32 ostatus = fsi_reg_read(fsi, DOFF_ST);
+ u32 istatus = fsi_reg_read(fsi, DIFF_ST);
- if (is_porta)
- shift = is_play ? AO_SHIFT : AI_SHIFT;
- else
- shift = is_play ? BO_SHIFT : BI_SHIFT;
+ if (ostatus & ERR_OVER)
+ fsi->playback.oerr_num++;
- return shift;
+ if (ostatus & ERR_UNDER)
+ fsi->playback.uerr_num++;
+
+ if (istatus & ERR_OVER)
+ fsi->capture.oerr_num++;
+
+ if (istatus & ERR_UNDER)
+ fsi->capture.uerr_num++;
+
+ fsi_reg_write(fsi, DOFF_ST, 0);
+ fsi_reg_write(fsi, DIFF_ST, 0);
}
-static int fsi_frame2sample(struct fsi_priv *fsi, int frames)
+/*
+ * fsi_stream_xx() function
+ */
+static inline int fsi_stream_is_play(struct fsi_priv *fsi,
+ struct fsi_stream *io)
{
- return frames * fsi->chan_num;
+ return &fsi->playback == io;
}
-static int fsi_sample2frame(struct fsi_priv *fsi, int samples)
+static inline struct fsi_stream *fsi_stream_get(struct fsi_priv *fsi,
+ struct snd_pcm_substream *substream)
{
- return samples / fsi->chan_num;
+ return fsi_is_play(substream) ? &fsi->playback : &fsi->capture;
}
static int fsi_stream_is_working(struct fsi_priv *fsi,
- int is_play)
+ struct fsi_stream *io)
{
- struct fsi_stream *io = fsi_get_stream(fsi, is_play);
struct fsi_master *master = fsi_get_master(fsi);
unsigned long flags;
int ret;
spin_lock_irqsave(&master->lock, flags);
- ret = !!io->substream;
+ ret = !!(io->substream && io->substream->runtime);
spin_unlock_irqrestore(&master->lock, flags);
return ret;
}
-static void fsi_stream_push(struct fsi_priv *fsi,
- int is_play,
+static struct fsi_priv *fsi_stream_to_priv(struct fsi_stream *io)
+{
+ return io->priv;
+}
+
+static void fsi_stream_init(struct fsi_priv *fsi,
+ struct fsi_stream *io,
struct snd_pcm_substream *substream)
{
- struct fsi_stream *io = fsi_get_stream(fsi, is_play);
struct snd_pcm_runtime *runtime = substream->runtime;
struct fsi_master *master = fsi_get_master(fsi);
unsigned long flags;
@@ -406,14 +537,16 @@ static void fsi_stream_push(struct fsi_priv *fsi,
io->buff_sample_pos = 0;
io->period_samples = fsi_frame2sample(fsi, runtime->period_size);
io->period_pos = 0;
+ io->sample_width = samples_to_bytes(runtime, 1);
+ io->bus_option = 0;
io->oerr_num = -1; /* ignore 1st err */
io->uerr_num = -1; /* ignore 1st err */
+ fsi_stream_handler_call(io, init, fsi, io);
spin_unlock_irqrestore(&master->lock, flags);
}
-static void fsi_stream_pop(struct fsi_priv *fsi, int is_play)
+static void fsi_stream_quit(struct fsi_priv *fsi, struct fsi_stream *io)
{
- struct fsi_stream *io = fsi_get_stream(fsi, is_play);
struct snd_soc_dai *dai = fsi_get_dai(io->substream);
struct fsi_master *master = fsi_get_master(fsi);
unsigned long flags;
@@ -426,127 +559,135 @@ static void fsi_stream_pop(struct fsi_priv *fsi, int is_play)
if (io->uerr_num > 0)
dev_err(dai->dev, "under_run = %d\n", io->uerr_num);
+ fsi_stream_handler_call(io, quit, fsi, io);
io->substream = NULL;
io->buff_sample_capa = 0;
io->buff_sample_pos = 0;
io->period_samples = 0;
io->period_pos = 0;
+ io->sample_width = 0;
+ io->bus_option = 0;
io->oerr_num = 0;
io->uerr_num = 0;
spin_unlock_irqrestore(&master->lock, flags);
}
-static int fsi_get_current_fifo_samples(struct fsi_priv *fsi, int is_play)
+static int fsi_stream_transfer(struct fsi_stream *io)
{
- u32 status;
- int frames;
+ struct fsi_priv *fsi = fsi_stream_to_priv(io);
+ if (!fsi)
+ return -EIO;
- status = is_play ?
- fsi_reg_read(fsi, DOFF_ST) :
- fsi_reg_read(fsi, DIFF_ST);
-
- frames = 0x1ff & (status >> 8);
-
- return fsi_frame2sample(fsi, frames);
+ return fsi_stream_handler_call(io, transfer, fsi, io);
}
-static void fsi_count_fifo_err(struct fsi_priv *fsi)
-{
- u32 ostatus = fsi_reg_read(fsi, DOFF_ST);
- u32 istatus = fsi_reg_read(fsi, DIFF_ST);
-
- if (ostatus & ERR_OVER)
- fsi->playback.oerr_num++;
-
- if (ostatus & ERR_UNDER)
- fsi->playback.uerr_num++;
-
- if (istatus & ERR_OVER)
- fsi->capture.oerr_num++;
-
- if (istatus & ERR_UNDER)
- fsi->capture.uerr_num++;
-
- fsi_reg_write(fsi, DOFF_ST, 0);
- fsi_reg_write(fsi, DIFF_ST, 0);
-}
+#define fsi_stream_start(fsi, io)\
+ fsi_stream_handler_call(io, start_stop, fsi, io, 1)
-/*
- * dma function
- */
+#define fsi_stream_stop(fsi, io)\
+ fsi_stream_handler_call(io, start_stop, fsi, io, 0)
-static u8 *fsi_dma_get_area(struct fsi_priv *fsi, int stream)
+static int fsi_stream_probe(struct fsi_priv *fsi, struct device *dev)
{
- int is_play = fsi_stream_is_play(stream);
- struct fsi_stream *io = fsi_get_stream(fsi, is_play);
- struct snd_pcm_runtime *runtime = io->substream->runtime;
+ struct fsi_stream *io;
+ int ret1, ret2;
- return runtime->dma_area +
- samples_to_bytes(runtime, io->buff_sample_pos);
-}
+ io = &fsi->playback;
+ ret1 = fsi_stream_handler_call(io, probe, fsi, io, dev);
-static void fsi_dma_soft_push16(struct fsi_priv *fsi, int num)
-{
- u16 *start;
- int i;
+ io = &fsi->capture;
+ ret2 = fsi_stream_handler_call(io, probe, fsi, io, dev);
- start = (u16 *)fsi_dma_get_area(fsi, SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret1 < 0)
+ return ret1;
+ if (ret2 < 0)
+ return ret2;
- for (i = 0; i < num; i++)
- fsi_reg_write(fsi, DODT, ((u32)*(start + i) << 8));
+ return 0;
}
-static void fsi_dma_soft_pop16(struct fsi_priv *fsi, int num)
+static int fsi_stream_remove(struct fsi_priv *fsi)
{
- u16 *start;
- int i;
+ struct fsi_stream *io;
+ int ret1, ret2;
+
+ io = &fsi->playback;
+ ret1 = fsi_stream_handler_call(io, remove, fsi, io);
- start = (u16 *)fsi_dma_get_area(fsi, SNDRV_PCM_STREAM_CAPTURE);
+ io = &fsi->capture;
+ ret2 = fsi_stream_handler_call(io, remove, fsi, io);
+ if (ret1 < 0)
+ return ret1;
+ if (ret2 < 0)
+ return ret2;
- for (i = 0; i < num; i++)
- *(start + i) = (u16)(fsi_reg_read(fsi, DIDT) >> 8);
+ return 0;
}
-static void fsi_dma_soft_push32(struct fsi_priv *fsi, int num)
+/*
+ * format/bus/dma setting
+ */
+static void fsi_format_bus_setup(struct fsi_priv *fsi, struct fsi_stream *io,
+ u32 bus, struct device *dev)
{
- u32 *start;
- int i;
-
- start = (u32 *)fsi_dma_get_area(fsi, SNDRV_PCM_STREAM_PLAYBACK);
-
+ struct fsi_master *master = fsi_get_master(fsi);
+ int is_play = fsi_stream_is_play(fsi, io);
+ u32 fmt = fsi->fmt;
- for (i = 0; i < num; i++)
- fsi_reg_write(fsi, DODT, *(start + i));
-}
+ if (fsi_version(master) >= 2) {
+ u32 dma = 0;
-static void fsi_dma_soft_pop32(struct fsi_priv *fsi, int num)
-{
- u32 *start;
- int i;
+ /*
+ * FSI2 needs DMA/Bus setting
+ */
+ switch (bus) {
+ case PACKAGE_24BITBUS_FRONT:
+ fmt |= CR_BWS_24;
+ dma |= VDMD_FRONT;
+ dev_dbg(dev, "24bit bus / package in front\n");
+ break;
+ case PACKAGE_16BITBUS_STREAM:
+ fmt |= CR_BWS_16;
+ dma |= VDMD_STREAM;
+ dev_dbg(dev, "16bit bus / stream mode\n");
+ break;
+ case PACKAGE_24BITBUS_BACK:
+ default:
+ fmt |= CR_BWS_24;
+ dma |= VDMD_BACK;
+ dev_dbg(dev, "24bit bus / package in back\n");
+ break;
+ }
- start = (u32 *)fsi_dma_get_area(fsi, SNDRV_PCM_STREAM_CAPTURE);
+ if (is_play)
+ fsi_reg_write(fsi, OUT_DMAC, dma);
+ else
+ fsi_reg_write(fsi, IN_DMAC, dma);
+ }
- for (i = 0; i < num; i++)
- *(start + i) = fsi_reg_read(fsi, DIDT);
+ if (is_play)
+ fsi_reg_write(fsi, DO_FMT, fmt);
+ else
+ fsi_reg_write(fsi, DI_FMT, fmt);
}
/*
* irq function
*/
-static void fsi_irq_enable(struct fsi_priv *fsi, int is_play)
+static void fsi_irq_enable(struct fsi_priv *fsi, struct fsi_stream *io)
{
- u32 data = AB_IO(1, fsi_get_port_shift(fsi, is_play));
+ u32 data = AB_IO(1, fsi_get_port_shift(fsi, io));
struct fsi_master *master = fsi_get_master(fsi);
fsi_core_mask_set(master, imsk, data, data);
fsi_core_mask_set(master, iemsk, data, data);
}
-static void fsi_irq_disable(struct fsi_priv *fsi, int is_play)
+static void fsi_irq_disable(struct fsi_priv *fsi, struct fsi_stream *io)
{
- u32 data = AB_IO(1, fsi_get_port_shift(fsi, is_play));
+ u32 data = AB_IO(1, fsi_get_port_shift(fsi, io));
struct fsi_master *master = fsi_get_master(fsi);
fsi_core_mask_set(master, imsk, data, 0);
@@ -563,8 +704,8 @@ static void fsi_irq_clear_status(struct fsi_priv *fsi)
u32 data = 0;
struct fsi_master *master = fsi_get_master(fsi);
- data |= AB_IO(1, fsi_get_port_shift(fsi, 0));
- data |= AB_IO(1, fsi_get_port_shift(fsi, 1));
+ data |= AB_IO(1, fsi_get_port_shift(fsi, &fsi->playback));
+ data |= AB_IO(1, fsi_get_port_shift(fsi, &fsi->capture));
/* clear interrupt factor */
fsi_core_mask_set(master, int_st, data, 0);
@@ -580,11 +721,6 @@ static void fsi_spdif_clk_ctrl(struct fsi_priv *fsi, int enable)
struct fsi_master *master = fsi_get_master(fsi);
u32 mask, val;
- if (master->core->ver < 2) {
- pr_err("fsi: register access err (%s)\n", __func__);
- return;
- }
-
mask = BP | SE;
val = enable ? mask : 0;
@@ -596,171 +732,388 @@ static void fsi_spdif_clk_ctrl(struct fsi_priv *fsi, int enable)
/*
* clock function
*/
-static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi,
- long rate, int enable)
-{
- struct fsi_master *master = fsi_get_master(fsi);
- set_rate_func set_rate = fsi_get_info_set_rate(master);
- int fsi_ver = master->core->ver;
- int ret;
+static int fsi_clk_init(struct device *dev,
+ struct fsi_priv *fsi,
+ int xck,
+ int ick,
+ int div,
+ int (*set_rate)(struct device *dev,
+ struct fsi_priv *fsi))
+{
+ struct fsi_clk *clock = &fsi->clock;
+ int is_porta = fsi_is_port_a(fsi);
- ret = set_rate(dev, fsi_is_port_a(fsi), rate, enable);
- if (ret < 0) /* error */
- return ret;
+ clock->xck = NULL;
+ clock->ick = NULL;
+ clock->div = NULL;
+ clock->rate = 0;
+ clock->count = 0;
+ clock->set_rate = set_rate;
+
+ clock->own = devm_clk_get(dev, NULL);
+ if (IS_ERR(clock->own))
+ return -EINVAL;
- if (!enable)
- return 0;
+ /* external clock */
+ if (xck) {
+ clock->xck = devm_clk_get(dev, is_porta ? "xcka" : "xckb");
+ if (IS_ERR(clock->xck)) {
+ dev_err(dev, "can't get xck clock\n");
+ return -EINVAL;
+ }
+ if (clock->xck == clock->own) {
+ dev_err(dev, "cpu doesn't support xck clock\n");
+ return -EINVAL;
+ }
+ }
- if (ret > 0) {
- u32 data = 0;
+ /* FSIACLK/FSIBCLK */
+ if (ick) {
+ clock->ick = devm_clk_get(dev, is_porta ? "icka" : "ickb");
+ if (IS_ERR(clock->ick)) {
+ dev_err(dev, "can't get ick clock\n");
+ return -EINVAL;
+ }
+ if (clock->ick == clock->own) {
+ dev_err(dev, "cpu doesn't support ick clock\n");
+ return -EINVAL;
+ }
+ }
- switch (ret & SH_FSI_ACKMD_MASK) {
- default:
- /* FALL THROUGH */
- case SH_FSI_ACKMD_512:
- data |= (0x0 << 12);
- break;
- case SH_FSI_ACKMD_256:
- data |= (0x1 << 12);
- break;
- case SH_FSI_ACKMD_128:
- data |= (0x2 << 12);
- break;
- case SH_FSI_ACKMD_64:
- data |= (0x3 << 12);
- break;
- case SH_FSI_ACKMD_32:
- if (fsi_ver < 2)
- dev_err(dev, "unsupported ACKMD\n");
- else
- data |= (0x4 << 12);
- break;
+ /* FSI-DIV */
+ if (div) {
+ clock->div = devm_clk_get(dev, is_porta ? "diva" : "divb");
+ if (IS_ERR(clock->div)) {
+ dev_err(dev, "can't get div clock\n");
+ return -EINVAL;
}
+ if (clock->div == clock->own) {
+ dev_err(dev, "cpu doens't support div clock\n");
+ return -EINVAL;
+ }
+ }
- switch (ret & SH_FSI_BPFMD_MASK) {
- default:
- /* FALL THROUGH */
- case SH_FSI_BPFMD_32:
- data |= (0x0 << 8);
- break;
- case SH_FSI_BPFMD_64:
- data |= (0x1 << 8);
- break;
- case SH_FSI_BPFMD_128:
- data |= (0x2 << 8);
- break;
- case SH_FSI_BPFMD_256:
- data |= (0x3 << 8);
- break;
- case SH_FSI_BPFMD_512:
- data |= (0x4 << 8);
- break;
- case SH_FSI_BPFMD_16:
- if (fsi_ver < 2)
- dev_err(dev, "unsupported ACKMD\n");
- else
- data |= (0x7 << 8);
- break;
+ return 0;
+}
+
+#define fsi_clk_invalid(fsi) fsi_clk_valid(fsi, 0)
+static void fsi_clk_valid(struct fsi_priv *fsi, unsigned long rate)
+{
+ fsi->clock.rate = rate;
+}
+
+static int fsi_clk_is_valid(struct fsi_priv *fsi)
+{
+ return fsi->clock.set_rate &&
+ fsi->clock.rate;
+}
+
+static int fsi_clk_enable(struct device *dev,
+ struct fsi_priv *fsi)
+{
+ struct fsi_clk *clock = &fsi->clock;
+ int ret = -EINVAL;
+
+ if (!fsi_clk_is_valid(fsi))
+ return ret;
+
+ if (0 == clock->count) {
+ ret = clock->set_rate(dev, fsi);
+ if (ret < 0) {
+ fsi_clk_invalid(fsi);
+ return ret;
}
- fsi_reg_mask_set(fsi, CKG1, (ACKMD_MASK | BPFMD_MASK) , data);
- udelay(10);
- ret = 0;
+ if (clock->xck)
+ clk_enable(clock->xck);
+ if (clock->ick)
+ clk_enable(clock->ick);
+ if (clock->div)
+ clk_enable(clock->div);
+
+ clock->count++;
}
return ret;
}
-#define fsi_port_start(f, i) __fsi_port_clk_ctrl(f, i, 1)
-#define fsi_port_stop(f, i) __fsi_port_clk_ctrl(f, i, 0)
-static void __fsi_port_clk_ctrl(struct fsi_priv *fsi, int is_play, int enable)
+static int fsi_clk_disable(struct device *dev,
+ struct fsi_priv *fsi)
{
- struct fsi_master *master = fsi_get_master(fsi);
- u32 clk = fsi_is_port_a(fsi) ? CRA : CRB;
+ struct fsi_clk *clock = &fsi->clock;
- if (enable)
- fsi_irq_enable(fsi, is_play);
- else
- fsi_irq_disable(fsi, is_play);
+ if (!fsi_clk_is_valid(fsi))
+ return -EINVAL;
- if (fsi_is_clk_master(fsi))
- fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0);
+ if (1 == clock->count--) {
+ if (clock->xck)
+ clk_disable(clock->xck);
+ if (clock->ick)
+ clk_disable(clock->ick);
+ if (clock->div)
+ clk_disable(clock->div);
+ }
+
+ return 0;
}
-/*
- * ctrl function
- */
-static void fsi_fifo_init(struct fsi_priv *fsi,
- int is_play,
- struct device *dev)
+static int fsi_clk_set_ackbpf(struct device *dev,
+ struct fsi_priv *fsi,
+ int ackmd, int bpfmd)
{
- struct fsi_master *master = fsi_get_master(fsi);
- struct fsi_stream *io = fsi_get_stream(fsi, is_play);
- u32 shift, i;
- int frame_capa;
+ u32 data = 0;
- /* get on-chip RAM capacity */
- shift = fsi_master_read(master, FIFO_SZ);
- shift >>= fsi_get_port_shift(fsi, is_play);
- shift &= FIFO_SZ_MASK;
- frame_capa = 256 << shift;
- dev_dbg(dev, "fifo = %d words\n", frame_capa);
+ /* check ackmd/bpfmd relationship */
+ if (bpfmd > ackmd) {
+ dev_err(dev, "unsupported rate (%d/%d)\n", ackmd, bpfmd);
+ return -EINVAL;
+ }
+
+ /* ACKMD */
+ switch (ackmd) {
+ case 512:
+ data |= (0x0 << 12);
+ break;
+ case 256:
+ data |= (0x1 << 12);
+ break;
+ case 128:
+ data |= (0x2 << 12);
+ break;
+ case 64:
+ data |= (0x3 << 12);
+ break;
+ case 32:
+ data |= (0x4 << 12);
+ break;
+ default:
+ dev_err(dev, "unsupported ackmd (%d)\n", ackmd);
+ return -EINVAL;
+ }
+
+ /* BPFMD */
+ switch (bpfmd) {
+ case 32:
+ data |= (0x0 << 8);
+ break;
+ case 64:
+ data |= (0x1 << 8);
+ break;
+ case 128:
+ data |= (0x2 << 8);
+ break;
+ case 256:
+ data |= (0x3 << 8);
+ break;
+ case 512:
+ data |= (0x4 << 8);
+ break;
+ case 16:
+ data |= (0x7 << 8);
+ break;
+ default:
+ dev_err(dev, "unsupported bpfmd (%d)\n", bpfmd);
+ return -EINVAL;
+ }
+
+ dev_dbg(dev, "ACKMD/BPFMD = %d/%d\n", ackmd, bpfmd);
+
+ fsi_reg_mask_set(fsi, CKG1, (ACKMD_MASK | BPFMD_MASK) , data);
+ udelay(10);
+
+ return 0;
+}
+
+static int fsi_clk_set_rate_external(struct device *dev,
+ struct fsi_priv *fsi)
+{
+ struct clk *xck = fsi->clock.xck;
+ struct clk *ick = fsi->clock.ick;
+ unsigned long rate = fsi->clock.rate;
+ unsigned long xrate;
+ int ackmd, bpfmd;
+ int ret = 0;
+
+ /* check clock rate */
+ xrate = clk_get_rate(xck);
+ if (xrate % rate) {
+ dev_err(dev, "unsupported clock rate\n");
+ return -EINVAL;
+ }
+
+ clk_set_parent(ick, xck);
+ clk_set_rate(ick, xrate);
+
+ bpfmd = fsi->chan_num * 32;
+ ackmd = xrate / rate;
+
+ dev_dbg(dev, "external/rate = %ld/%ld\n", xrate, rate);
+
+ ret = fsi_clk_set_ackbpf(dev, fsi, ackmd, bpfmd);
+ if (ret < 0)
+ dev_err(dev, "%s failed", __func__);
+
+ return ret;
+}
+
+static int fsi_clk_set_rate_cpg(struct device *dev,
+ struct fsi_priv *fsi)
+{
+ struct clk *ick = fsi->clock.ick;
+ struct clk *div = fsi->clock.div;
+ unsigned long rate = fsi->clock.rate;
+ unsigned long target = 0; /* 12288000 or 11289600 */
+ unsigned long actual, cout;
+ unsigned long diff, min;
+ unsigned long best_cout, best_act;
+ int adj;
+ int ackmd, bpfmd;
+ int ret = -EINVAL;
+
+ if (!(12288000 % rate))
+ target = 12288000;
+ if (!(11289600 % rate))
+ target = 11289600;
+ if (!target) {
+ dev_err(dev, "unsupported rate\n");
+ return ret;
+ }
+
+ bpfmd = fsi->chan_num * 32;
+ ackmd = target / rate;
+ ret = fsi_clk_set_ackbpf(dev, fsi, ackmd, bpfmd);
+ if (ret < 0) {
+ dev_err(dev, "%s failed", __func__);
+ return ret;
+ }
/*
- * The maximum number of sample data varies depending
- * on the number of channels selected for the format.
+ * The clock flow is
*
- * FIFOs are used in 4-channel units in 3-channel mode
- * and in 8-channel units in 5- to 7-channel mode
- * meaning that more FIFOs than the required size of DPRAM
- * are used.
+ * [CPG] = cout => [FSI_DIV] = audio => [FSI] => [codec]
*
- * ex) if 256 words of DP-RAM is connected
- * 1 channel: 256 (256 x 1 = 256)
- * 2 channels: 128 (128 x 2 = 256)
- * 3 channels: 64 ( 64 x 3 = 192)
- * 4 channels: 64 ( 64 x 4 = 256)
- * 5 channels: 32 ( 32 x 5 = 160)
- * 6 channels: 32 ( 32 x 6 = 192)
- * 7 channels: 32 ( 32 x 7 = 224)
- * 8 channels: 32 ( 32 x 8 = 256)
+ * But, it needs to find best match of CPG and FSI_DIV
+ * combination, since it is difficult to generate correct
+ * frequency of audio clock from ick clock only.
+ * Because ick is created from its parent clock.
+ *
+ * target = rate x [512/256/128/64]fs
+ * cout = round(target x adjustment)
+ * actual = cout / adjustment (by FSI-DIV) ~= target
+ * audio = actual
*/
- for (i = 1; i < fsi->chan_num; i <<= 1)
- frame_capa >>= 1;
- dev_dbg(dev, "%d channel %d store\n",
- fsi->chan_num, frame_capa);
+ min = ~0;
+ best_cout = 0;
+ best_act = 0;
+ for (adj = 1; adj < 0xffff; adj++) {
- io->fifo_sample_capa = fsi_frame2sample(fsi, frame_capa);
+ cout = target * adj;
+ if (cout > 100000000) /* max clock = 100MHz */
+ break;
- /*
- * set interrupt generation factor
- * clear FIFO
- */
- if (is_play) {
- fsi_reg_write(fsi, DOFF_CTL, IRQ_HALF);
- fsi_reg_mask_set(fsi, DOFF_CTL, FIFO_CLR, FIFO_CLR);
+ /* cout/actual audio clock */
+ cout = clk_round_rate(ick, cout);
+ actual = cout / adj;
+
+ /* find best frequency */
+ diff = abs(actual - target);
+ if (diff < min) {
+ min = diff;
+ best_cout = cout;
+ best_act = actual;
+ }
+ }
+
+ ret = clk_set_rate(ick, best_cout);
+ if (ret < 0) {
+ dev_err(dev, "ick clock failed\n");
+ return -EIO;
+ }
+
+ ret = clk_set_rate(div, clk_round_rate(div, best_act));
+ if (ret < 0) {
+ dev_err(dev, "div clock failed\n");
+ return -EIO;
+ }
+
+ dev_dbg(dev, "ick/div = %ld/%ld\n",
+ clk_get_rate(ick), clk_get_rate(div));
+
+ return ret;
+}
+
+/*
+ * pio data transfer handler
+ */
+static void fsi_pio_push16(struct fsi_priv *fsi, u8 *_buf, int samples)
+{
+ int i;
+
+ if (fsi_is_enable_stream(fsi)) {
+ /*
+ * stream mode
+ * see
+ * fsi_pio_push_init()
+ */
+ u32 *buf = (u32 *)_buf;
+
+ for (i = 0; i < samples / 2; i++)
+ fsi_reg_write(fsi, DODT, buf[i]);
} else {
- fsi_reg_write(fsi, DIFF_CTL, IRQ_HALF);
- fsi_reg_mask_set(fsi, DIFF_CTL, FIFO_CLR, FIFO_CLR);
+ /* normal mode */
+ u16 *buf = (u16 *)_buf;
+
+ for (i = 0; i < samples; i++)
+ fsi_reg_write(fsi, DODT, ((u32)*(buf + i) << 8));
}
}
-static int fsi_fifo_data_ctrl(struct fsi_priv *fsi, int stream)
+static void fsi_pio_pop16(struct fsi_priv *fsi, u8 *_buf, int samples)
+{
+ u16 *buf = (u16 *)_buf;
+ int i;
+
+ for (i = 0; i < samples; i++)
+ *(buf + i) = (u16)(fsi_reg_read(fsi, DIDT) >> 8);
+}
+
+static void fsi_pio_push32(struct fsi_priv *fsi, u8 *_buf, int samples)
+{
+ u32 *buf = (u32 *)_buf;
+ int i;
+
+ for (i = 0; i < samples; i++)
+ fsi_reg_write(fsi, DODT, *(buf + i));
+}
+
+static void fsi_pio_pop32(struct fsi_priv *fsi, u8 *_buf, int samples)
+{
+ u32 *buf = (u32 *)_buf;
+ int i;
+
+ for (i = 0; i < samples; i++)
+ *(buf + i) = fsi_reg_read(fsi, DIDT);
+}
+
+static u8 *fsi_pio_get_area(struct fsi_priv *fsi, struct fsi_stream *io)
+{
+ struct snd_pcm_runtime *runtime = io->substream->runtime;
+
+ return runtime->dma_area +
+ samples_to_bytes(runtime, io->buff_sample_pos);
+}
+
+static int fsi_pio_transfer(struct fsi_priv *fsi, struct fsi_stream *io,
+ void (*run16)(struct fsi_priv *fsi, u8 *buf, int samples),
+ void (*run32)(struct fsi_priv *fsi, u8 *buf, int samples),
+ int samples)
{
struct snd_pcm_runtime *runtime;
- struct snd_pcm_substream *substream = NULL;
- int is_play = fsi_stream_is_play(stream);
- struct fsi_stream *io = fsi_get_stream(fsi, is_play);
- int sample_residues;
- int sample_width;
- int samples;
- int samples_max;
+ struct snd_pcm_substream *substream;
+ u8 *buf;
int over_period;
- void (*fn)(struct fsi_priv *fsi, int size);
- if (!fsi ||
- !io->substream ||
- !io->substream->runtime)
+ if (!fsi_stream_is_working(fsi, io))
return -EINVAL;
over_period = 0;
@@ -780,79 +1133,120 @@ static int fsi_fifo_data_ctrl(struct fsi_priv *fsi, int stream)
io->buff_sample_pos = 0;
}
- /* get 1 sample data width */
- sample_width = samples_to_bytes(runtime, 1);
+ buf = fsi_pio_get_area(fsi, io);
- /* get number of residue samples */
- sample_residues = io->buff_sample_capa - io->buff_sample_pos;
+ switch (io->sample_width) {
+ case 2:
+ run16(fsi, buf, samples);
+ break;
+ case 4:
+ run32(fsi, buf, samples);
+ break;
+ default:
+ return -EINVAL;
+ }
- if (is_play) {
- /*
- * for play-back
- *
- * samples_max : number of FSI fifo free samples space
- * samples : number of ALSA residue samples
- */
- samples_max = io->fifo_sample_capa;
- samples_max -= fsi_get_current_fifo_samples(fsi, is_play);
+ /* update buff_sample_pos */
+ io->buff_sample_pos += samples;
- samples = sample_residues;
+ if (over_period)
+ snd_pcm_period_elapsed(substream);
- switch (sample_width) {
- case 2:
- fn = fsi_dma_soft_push16;
- break;
- case 4:
- fn = fsi_dma_soft_push32;
- break;
- default:
- return -EINVAL;
- }
- } else {
- /*
- * for capture
- *
- * samples_max : number of ALSA free samples space
- * samples : number of samples in FSI fifo
- */
- samples_max = sample_residues;
- samples = fsi_get_current_fifo_samples(fsi, is_play);
+ return 0;
+}
- switch (sample_width) {
- case 2:
- fn = fsi_dma_soft_pop16;
- break;
- case 4:
- fn = fsi_dma_soft_pop32;
- break;
- default:
- return -EINVAL;
- }
- }
+static int fsi_pio_pop(struct fsi_priv *fsi, struct fsi_stream *io)
+{
+ int sample_residues; /* samples in FSI fifo */
+ int sample_space; /* ALSA free samples space */
+ int samples;
- samples = min(samples, samples_max);
+ sample_residues = fsi_get_current_fifo_samples(fsi, io);
+ sample_space = io->buff_sample_capa - io->buff_sample_pos;
- fn(fsi, samples);
+ samples = min(sample_residues, sample_space);
- /* update buff_sample_pos */
- io->buff_sample_pos += samples;
+ return fsi_pio_transfer(fsi, io,
+ fsi_pio_pop16,
+ fsi_pio_pop32,
+ samples);
+}
- if (over_period)
- snd_pcm_period_elapsed(substream);
+static int fsi_pio_push(struct fsi_priv *fsi, struct fsi_stream *io)
+{
+ int sample_residues; /* ALSA residue samples */
+ int sample_space; /* FSI fifo free samples space */
+ int samples;
+
+ sample_residues = io->buff_sample_capa - io->buff_sample_pos;
+ sample_space = io->fifo_sample_capa -
+ fsi_get_current_fifo_samples(fsi, io);
+
+ samples = min(sample_residues, sample_space);
+
+ return fsi_pio_transfer(fsi, io,
+ fsi_pio_push16,
+ fsi_pio_push32,
+ samples);
+}
+
+static int fsi_pio_start_stop(struct fsi_priv *fsi, struct fsi_stream *io,
+ int enable)
+{
+ struct fsi_master *master = fsi_get_master(fsi);
+ u32 clk = fsi_is_port_a(fsi) ? CRA : CRB;
+
+ if (enable)
+ fsi_irq_enable(fsi, io);
+ else
+ fsi_irq_disable(fsi, io);
+
+ if (fsi_is_clk_master(fsi))
+ fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0);
return 0;
}
-static int fsi_data_pop(struct fsi_priv *fsi)
+static int fsi_pio_push_init(struct fsi_priv *fsi, struct fsi_stream *io)
{
- return fsi_fifo_data_ctrl(fsi, SNDRV_PCM_STREAM_CAPTURE);
+ /*
+ * we can use 16bit stream mode
+ * when "playback" and "16bit data"
+ * and platform allows "stream mode"
+ * see
+ * fsi_pio_push16()
+ */
+ if (fsi_is_enable_stream(fsi))
+ io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) |
+ BUSOP_SET(16, PACKAGE_16BITBUS_STREAM);
+ else
+ io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) |
+ BUSOP_SET(16, PACKAGE_24BITBUS_BACK);
+ return 0;
}
-static int fsi_data_push(struct fsi_priv *fsi)
+static int fsi_pio_pop_init(struct fsi_priv *fsi, struct fsi_stream *io)
{
- return fsi_fifo_data_ctrl(fsi, SNDRV_PCM_STREAM_PLAYBACK);
+ /*
+ * always 24bit bus, package back when "capture"
+ */
+ io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) |
+ BUSOP_SET(16, PACKAGE_24BITBUS_BACK);
+ return 0;
}
+static struct fsi_stream_handler fsi_pio_push_handler = {
+ .init = fsi_pio_push_init,
+ .transfer = fsi_pio_push,
+ .start_stop = fsi_pio_start_stop,
+};
+
+static struct fsi_stream_handler fsi_pio_pop_handler = {
+ .init = fsi_pio_pop_init,
+ .transfer = fsi_pio_pop,
+ .start_stop = fsi_pio_start_stop,
+};
+
static irqreturn_t fsi_interrupt(int irq, void *data)
{
struct fsi_master *master = data;
@@ -863,13 +1257,13 @@ static irqreturn_t fsi_interrupt(int irq, void *data)
fsi_master_mask_set(master, SOFT_RST, IR, IR);
if (int_st & AB_IO(1, AO_SHIFT))
- fsi_data_push(&master->fsia);
+ fsi_stream_transfer(&master->fsia.playback);
if (int_st & AB_IO(1, BO_SHIFT))
- fsi_data_push(&master->fsib);
+ fsi_stream_transfer(&master->fsib.playback);
if (int_st & AB_IO(1, AI_SHIFT))
- fsi_data_pop(&master->fsia);
+ fsi_stream_transfer(&master->fsia.capture);
if (int_st & AB_IO(1, BI_SHIFT))
- fsi_data_pop(&master->fsib);
+ fsi_stream_transfer(&master->fsib.capture);
fsi_count_fifo_err(&master->fsia);
fsi_count_fifo_err(&master->fsib);
@@ -881,16 +1275,295 @@ static irqreturn_t fsi_interrupt(int irq, void *data)
}
/*
+ * dma data transfer handler
+ */
+static int fsi_dma_init(struct fsi_priv *fsi, struct fsi_stream *io)
+{
+ struct snd_pcm_runtime *runtime = io->substream->runtime;
+ struct snd_soc_dai *dai = fsi_get_dai(io->substream);
+ enum dma_data_direction dir = fsi_stream_is_play(fsi, io) ?
+ DMA_TO_DEVICE : DMA_FROM_DEVICE;
+
+ /*
+ * 24bit data : 24bit bus / package in back
+ * 16bit data : 16bit bus / stream mode
+ */
+ io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) |
+ BUSOP_SET(16, PACKAGE_16BITBUS_STREAM);
+
+ io->loop_cnt = 2; /* push 1st, 2nd period first, then 3rd, 4th... */
+ io->additional_pos = 0;
+ io->dma = dma_map_single(dai->dev, runtime->dma_area,
+ snd_pcm_lib_buffer_bytes(io->substream), dir);
+ return 0;
+}
+
+static int fsi_dma_quit(struct fsi_priv *fsi, struct fsi_stream *io)
+{
+ struct snd_soc_dai *dai = fsi_get_dai(io->substream);
+ enum dma_data_direction dir = fsi_stream_is_play(fsi, io) ?
+ DMA_TO_DEVICE : DMA_FROM_DEVICE;
+
+ dma_unmap_single(dai->dev, io->dma,
+ snd_pcm_lib_buffer_bytes(io->substream), dir);
+ return 0;
+}
+
+static dma_addr_t fsi_dma_get_area(struct fsi_stream *io, int additional)
+{
+ struct snd_pcm_runtime *runtime = io->substream->runtime;
+ int period = io->period_pos + additional;
+
+ if (period >= runtime->periods)
+ period = 0;
+
+ return io->dma + samples_to_bytes(runtime, period * io->period_samples);
+}
+
+static void fsi_dma_complete(void *data)
+{
+ struct fsi_stream *io = (struct fsi_stream *)data;
+ struct fsi_priv *fsi = fsi_stream_to_priv(io);
+ struct snd_pcm_runtime *runtime = io->substream->runtime;
+ struct snd_soc_dai *dai = fsi_get_dai(io->substream);
+ enum dma_data_direction dir = fsi_stream_is_play(fsi, io) ?
+ DMA_TO_DEVICE : DMA_FROM_DEVICE;
+
+ dma_sync_single_for_cpu(dai->dev, fsi_dma_get_area(io, 0),
+ samples_to_bytes(runtime, io->period_samples), dir);
+
+ io->buff_sample_pos += io->period_samples;
+ io->period_pos++;
+
+ if (io->period_pos >= runtime->periods) {
+ io->period_pos = 0;
+ io->buff_sample_pos = 0;
+ }
+
+ fsi_count_fifo_err(fsi);
+ fsi_stream_transfer(io);
+
+ snd_pcm_period_elapsed(io->substream);
+}
+
+static void fsi_dma_do_work(struct work_struct *work)
+{
+ struct fsi_stream *io = container_of(work, struct fsi_stream, work);
+ struct fsi_priv *fsi = fsi_stream_to_priv(io);
+ struct snd_soc_dai *dai;
+ struct dma_async_tx_descriptor *desc;
+ struct snd_pcm_runtime *runtime;
+ enum dma_data_direction dir;
+ int is_play = fsi_stream_is_play(fsi, io);
+ int len, i;
+ dma_addr_t buf;
+
+ if (!fsi_stream_is_working(fsi, io))
+ return;
+
+ dai = fsi_get_dai(io->substream);
+ runtime = io->substream->runtime;
+ dir = is_play ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
+ len = samples_to_bytes(runtime, io->period_samples);
+
+ for (i = 0; i < io->loop_cnt; i++) {
+ buf = fsi_dma_get_area(io, io->additional_pos);
+
+ dma_sync_single_for_device(dai->dev, buf, len, dir);
+
+ desc = dmaengine_prep_slave_single(io->chan, buf, len, dir,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ if (!desc) {
+ dev_err(dai->dev, "dmaengine_prep_slave_sg() fail\n");
+ return;
+ }
+
+ desc->callback = fsi_dma_complete;
+ desc->callback_param = io;
+
+ if (dmaengine_submit(desc) < 0) {
+ dev_err(dai->dev, "tx_submit() fail\n");
+ return;
+ }
+
+ dma_async_issue_pending(io->chan);
+
+ io->additional_pos = 1;
+ }
+
+ io->loop_cnt = 1;
+
+ /*
+ * FIXME
+ *
+ * In DMAEngine case, codec and FSI cannot be started simultaneously
+ * since FSI is using the scheduler work queue.
+ * Therefore, in capture case, probably FSI FIFO will have got
+ * overflow error in this point.
+ * in that case, DMA cannot start transfer until error was cleared.
+ */
+ if (!is_play) {
+ if (ERR_OVER & fsi_reg_read(fsi, DIFF_ST)) {
+ fsi_reg_mask_set(fsi, DIFF_CTL, FIFO_CLR, FIFO_CLR);
+ fsi_reg_write(fsi, DIFF_ST, 0);
+ }
+ }
+}
+
+static int fsi_dma_transfer(struct fsi_priv *fsi, struct fsi_stream *io)
+{
+ schedule_work(&io->work);
+
+ return 0;
+}
+
+static int fsi_dma_push_start_stop(struct fsi_priv *fsi, struct fsi_stream *io,
+ int start)
+{
+ struct fsi_master *master = fsi_get_master(fsi);
+ u32 clk = fsi_is_port_a(fsi) ? CRA : CRB;
+ u32 enable = start ? DMA_ON : 0;
+
+ fsi_reg_mask_set(fsi, OUT_DMAC, DMA_ON, enable);
+
+ dmaengine_terminate_all(io->chan);
+
+ if (fsi_is_clk_master(fsi))
+ fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0);
+
+ return 0;
+}
+
+static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io, struct device *dev)
+{
+ dma_cap_mask_t mask;
+ int is_play = fsi_stream_is_play(fsi, io);
+
+ dma_cap_zero(mask);
+ dma_cap_set(DMA_SLAVE, mask);
+
+ io->chan = dma_request_slave_channel_compat(mask,
+ shdma_chan_filter, (void *)io->dma_id,
+ dev, is_play ? "tx" : "rx");
+ if (io->chan) {
+ struct dma_slave_config cfg;
+ int ret;
+
+ cfg.slave_id = io->dma_id;
+ cfg.dst_addr = 0; /* use default addr */
+ cfg.src_addr = 0; /* use default addr */
+ cfg.direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
+
+ ret = dmaengine_slave_config(io->chan, &cfg);
+ if (ret < 0) {
+ dma_release_channel(io->chan);
+ io->chan = NULL;
+ }
+ }
+
+ if (!io->chan) {
+
+ /* switch to PIO handler */
+ if (is_play)
+ fsi->playback.handler = &fsi_pio_push_handler;
+ else
+ fsi->capture.handler = &fsi_pio_pop_handler;
+
+ dev_info(dev, "switch handler (dma => pio)\n");
+
+ /* probe again */
+ return fsi_stream_probe(fsi, dev);
+ }
+
+ INIT_WORK(&io->work, fsi_dma_do_work);
+
+ return 0;
+}
+
+static int fsi_dma_remove(struct fsi_priv *fsi, struct fsi_stream *io)
+{
+ cancel_work_sync(&io->work);
+
+ fsi_stream_stop(fsi, io);
+
+ if (io->chan)
+ dma_release_channel(io->chan);
+
+ io->chan = NULL;
+ return 0;
+}
+
+static struct fsi_stream_handler fsi_dma_push_handler = {
+ .init = fsi_dma_init,
+ .quit = fsi_dma_quit,
+ .probe = fsi_dma_probe,
+ .transfer = fsi_dma_transfer,
+ .remove = fsi_dma_remove,
+ .start_stop = fsi_dma_push_start_stop,
+};
+
+/*
* dai ops
*/
+static void fsi_fifo_init(struct fsi_priv *fsi,
+ struct fsi_stream *io,
+ struct device *dev)
+{
+ struct fsi_master *master = fsi_get_master(fsi);
+ int is_play = fsi_stream_is_play(fsi, io);
+ u32 shift, i;
+ int frame_capa;
+
+ /* get on-chip RAM capacity */
+ shift = fsi_master_read(master, FIFO_SZ);
+ shift >>= fsi_get_port_shift(fsi, io);
+ shift &= FIFO_SZ_MASK;
+ frame_capa = 256 << shift;
+ dev_dbg(dev, "fifo = %d words\n", frame_capa);
+
+ /*
+ * The maximum number of sample data varies depending
+ * on the number of channels selected for the format.
+ *
+ * FIFOs are used in 4-channel units in 3-channel mode
+ * and in 8-channel units in 5- to 7-channel mode
+ * meaning that more FIFOs than the required size of DPRAM
+ * are used.
+ *
+ * ex) if 256 words of DP-RAM is connected
+ * 1 channel: 256 (256 x 1 = 256)
+ * 2 channels: 128 (128 x 2 = 256)
+ * 3 channels: 64 ( 64 x 3 = 192)
+ * 4 channels: 64 ( 64 x 4 = 256)
+ * 5 channels: 32 ( 32 x 5 = 160)
+ * 6 channels: 32 ( 32 x 6 = 192)
+ * 7 channels: 32 ( 32 x 7 = 224)
+ * 8 channels: 32 ( 32 x 8 = 256)
+ */
+ for (i = 1; i < fsi->chan_num; i <<= 1)
+ frame_capa >>= 1;
+ dev_dbg(dev, "%d channel %d store\n",
+ fsi->chan_num, frame_capa);
+
+ io->fifo_sample_capa = fsi_frame2sample(fsi, frame_capa);
+
+ /*
+ * set interrupt generation factor
+ * clear FIFO
+ */
+ if (is_play) {
+ fsi_reg_write(fsi, DOFF_CTL, IRQ_HALF);
+ fsi_reg_mask_set(fsi, DOFF_CTL, FIFO_CLR, FIFO_CLR);
+ } else {
+ fsi_reg_write(fsi, DIFF_CTL, IRQ_HALF);
+ fsi_reg_mask_set(fsi, DIFF_CTL, FIFO_CLR, FIFO_CLR);
+ }
+}
static int fsi_hw_startup(struct fsi_priv *fsi,
- int is_play,
+ struct fsi_stream *io,
struct device *dev)
{
- struct fsi_master *master = fsi_get_master(fsi);
- int fsi_ver = master->core->ver;
- u32 flags = fsi_get_info_flags(fsi);
u32 data = 0;
/* clock setting */
@@ -901,21 +1574,14 @@ static int fsi_hw_startup(struct fsi_priv *fsi,
/* clock inversion (CKG2) */
data = 0;
- if (SH_FSI_LRM_INV & flags)
- data |= 1 << 12;
- if (SH_FSI_BRM_INV & flags)
- data |= 1 << 8;
- if (SH_FSI_LRS_INV & flags)
- data |= 1 << 4;
- if (SH_FSI_BRS_INV & flags)
- data |= 1 << 0;
-
+ if (fsi->bit_clk_inv)
+ data |= (1 << 0);
+ if (fsi->lr_clk_inv)
+ data |= (1 << 4);
+ if (fsi_is_clk_master(fsi))
+ data <<= 8;
fsi_reg_write(fsi, CKG2, data);
- /* set format */
- fsi_reg_write(fsi, DO_FMT, fsi->do_fmt);
- fsi_reg_write(fsi, DI_FMT, fsi->di_fmt);
-
/* spdif ? */
if (fsi_is_spdif(fsi)) {
fsi_spdif_clk_ctrl(fsi, 1);
@@ -923,69 +1589,83 @@ static int fsi_hw_startup(struct fsi_priv *fsi,
}
/*
- * FIXME
- *
- * FSI driver assumed that data package is in-back.
- * FSI2 chip can select it.
+ * get bus settings
*/
- if (fsi_ver >= 2) {
- fsi_reg_write(fsi, OUT_DMAC, (1 << 4));
- fsi_reg_write(fsi, IN_DMAC, (1 << 4));
+ data = 0;
+ switch (io->sample_width) {
+ case 2:
+ data = BUSOP_GET(16, io->bus_option);
+ break;
+ case 4:
+ data = BUSOP_GET(24, io->bus_option);
+ break;
}
+ fsi_format_bus_setup(fsi, io, data, dev);
/* irq clear */
- fsi_irq_disable(fsi, is_play);
+ fsi_irq_disable(fsi, io);
fsi_irq_clear_status(fsi);
/* fifo init */
- fsi_fifo_init(fsi, is_play, dev);
+ fsi_fifo_init(fsi, io, dev);
+
+ /* start master clock */
+ if (fsi_is_clk_master(fsi))
+ return fsi_clk_enable(dev, fsi);
return 0;
}
-static void fsi_hw_shutdown(struct fsi_priv *fsi,
- int is_play,
+static int fsi_hw_shutdown(struct fsi_priv *fsi,
struct device *dev)
{
+ /* stop master clock */
if (fsi_is_clk_master(fsi))
- fsi_set_master_clk(dev, fsi, fsi->rate, 0);
+ return fsi_clk_disable(dev, fsi);
+
+ return 0;
}
static int fsi_dai_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct fsi_priv *fsi = fsi_get_priv(substream);
- int is_play = fsi_is_play(substream);
- return fsi_hw_startup(fsi, is_play, dai->dev);
+ fsi_clk_invalid(fsi);
+
+ return 0;
}
static void fsi_dai_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct fsi_priv *fsi = fsi_get_priv(substream);
- int is_play = fsi_is_play(substream);
- fsi_hw_shutdown(fsi, is_play, dai->dev);
- fsi->rate = 0;
+ fsi_clk_invalid(fsi);
}
static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
struct fsi_priv *fsi = fsi_get_priv(substream);
- int is_play = fsi_is_play(substream);
+ struct fsi_stream *io = fsi_stream_get(fsi, substream);
int ret = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
- fsi_stream_push(fsi, is_play, substream);
- ret = is_play ? fsi_data_push(fsi) : fsi_data_pop(fsi);
- fsi_port_start(fsi, is_play);
+ fsi_stream_init(fsi, io, substream);
+ if (!ret)
+ ret = fsi_hw_startup(fsi, io, dai->dev);
+ if (!ret)
+ ret = fsi_stream_transfer(io);
+ if (!ret)
+ fsi_stream_start(fsi, io);
break;
case SNDRV_PCM_TRIGGER_STOP:
- fsi_port_stop(fsi, is_play);
- fsi_stream_pop(fsi, is_play);
+ if (!ret)
+ ret = fsi_hw_shutdown(fsi, dai->dev);
+ fsi_stream_stop(fsi, io);
+ fsi_stream_quit(fsi, io);
break;
}
@@ -994,41 +1674,31 @@ static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
static int fsi_set_fmt_dai(struct fsi_priv *fsi, unsigned int fmt)
{
- u32 data = 0;
-
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
- data = CR_I2S;
+ fsi->fmt = CR_I2S;
fsi->chan_num = 2;
break;
case SND_SOC_DAIFMT_LEFT_J:
- data = CR_PCM;
+ fsi->fmt = CR_PCM;
fsi->chan_num = 2;
break;
default:
return -EINVAL;
}
- fsi->do_fmt = data;
- fsi->di_fmt = data;
-
return 0;
}
static int fsi_set_fmt_spdif(struct fsi_priv *fsi)
{
struct fsi_master *master = fsi_get_master(fsi);
- u32 data = 0;
- if (master->core->ver < 2)
+ if (fsi_version(master) < 2)
return -EINVAL;
- data = CR_BWS_16 | CR_DTMD_SPDIF_PCM | CR_PCM;
+ fsi->fmt = CR_DTMD_SPDIF_PCM | CR_PCM;
fsi->chan_num = 2;
- fsi->spdif = 1;
-
- fsi->do_fmt = data;
- fsi->di_fmt = data;
return 0;
}
@@ -1036,39 +1706,55 @@ static int fsi_set_fmt_spdif(struct fsi_priv *fsi)
static int fsi_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
struct fsi_priv *fsi = fsi_get_priv_frm_dai(dai);
- struct fsi_master *master = fsi_get_master(fsi);
- set_rate_func set_rate = fsi_get_info_set_rate(master);
- u32 flags = fsi_get_info_flags(fsi);
int ret;
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
- fsi->clk_master = 1;
break;
case SND_SOC_DAIFMT_CBS_CFS:
+ fsi->clk_master = 1; /* codec is slave, cpu is master */
break;
default:
return -EINVAL;
}
- if (fsi_is_clk_master(fsi) && !set_rate) {
- dev_err(dai->dev, "platform doesn't have set_rate\n");
- return -EINVAL;
- }
-
- /* set format */
- switch (flags & SH_FSI_FMT_MASK) {
- case SH_FSI_FMT_DAI:
- ret = fsi_set_fmt_dai(fsi, fmt & SND_SOC_DAIFMT_FORMAT_MASK);
+ /* set clock inversion */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_IF:
+ fsi->bit_clk_inv = 0;
+ fsi->lr_clk_inv = 1;
break;
- case SH_FSI_FMT_SPDIF:
- ret = fsi_set_fmt_spdif(fsi);
+ case SND_SOC_DAIFMT_IB_NF:
+ fsi->bit_clk_inv = 1;
+ fsi->lr_clk_inv = 0;
break;
+ case SND_SOC_DAIFMT_IB_IF:
+ fsi->bit_clk_inv = 1;
+ fsi->lr_clk_inv = 1;
+ break;
+ case SND_SOC_DAIFMT_NB_NF:
default:
- ret = -EINVAL;
+ fsi->bit_clk_inv = 0;
+ fsi->lr_clk_inv = 0;
+ break;
}
+ if (fsi_is_clk_master(fsi)) {
+ if (fsi->clk_cpg)
+ fsi_clk_init(dai->dev, fsi, 0, 1, 1,
+ fsi_clk_set_rate_cpg);
+ else
+ fsi_clk_init(dai->dev, fsi, 1, 1, 0,
+ fsi_clk_set_rate_external);
+ }
+
+ /* set format */
+ if (fsi_is_spdif(fsi))
+ ret = fsi_set_fmt_spdif(fsi);
+ else
+ ret = fsi_set_fmt_dai(fsi, fmt & SND_SOC_DAIFMT_FORMAT_MASK);
+
return ret;
}
@@ -1077,19 +1763,11 @@ static int fsi_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct fsi_priv *fsi = fsi_get_priv(substream);
- long rate = params_rate(params);
- int ret;
- if (!fsi_is_clk_master(fsi))
- return 0;
-
- ret = fsi_set_master_clk(dai->dev, fsi, rate, 1);
- if (ret < 0)
- return ret;
-
- fsi->rate = rate;
+ if (fsi_is_clk_master(fsi))
+ fsi_clk_valid(fsi, params_rate(params));
- return ret;
+ return 0;
}
static const struct snd_soc_dai_ops fsi_dai_ops = {
@@ -1109,12 +1787,6 @@ static struct snd_pcm_hardware fsi_pcm_hardware = {
SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_PAUSE,
- .formats = FSI_FMTS,
- .rates = FSI_RATES,
- .rate_min = 8000,
- .rate_max = 192000,
- .channels_min = 1,
- .channels_max = 2,
.buffer_bytes_max = 64 * 1024,
.period_bytes_min = 32,
.period_bytes_max = 8192,
@@ -1151,7 +1823,7 @@ static int fsi_hw_free(struct snd_pcm_substream *substream)
static snd_pcm_uframes_t fsi_pointer(struct snd_pcm_substream *substream)
{
struct fsi_priv *fsi = fsi_get_priv(substream);
- struct fsi_stream *io = fsi_get_stream(fsi, fsi_is_play(substream));
+ struct fsi_stream *io = fsi_stream_get(fsi, substream);
return fsi_sample2frame(fsi, io->buff_sample_pos);
}
@@ -1201,14 +1873,14 @@ static struct snd_soc_dai_driver fsi_soc_dai[] = {
.playback = {
.rates = FSI_RATES,
.formats = FSI_FMTS,
- .channels_min = 1,
- .channels_max = 8,
+ .channels_min = 2,
+ .channels_max = 2,
},
.capture = {
.rates = FSI_RATES,
.formats = FSI_FMTS,
- .channels_min = 1,
- .channels_max = 8,
+ .channels_min = 2,
+ .channels_max = 2,
},
.ops = &fsi_dai_ops,
},
@@ -1217,14 +1889,14 @@ static struct snd_soc_dai_driver fsi_soc_dai[] = {
.playback = {
.rates = FSI_RATES,
.formats = FSI_FMTS,
- .channels_min = 1,
- .channels_max = 8,
+ .channels_min = 2,
+ .channels_max = 2,
},
.capture = {
.rates = FSI_RATES,
.formats = FSI_FMTS,
- .channels_min = 1,
- .channels_max = 8,
+ .channels_min = 2,
+ .channels_max = 2,
},
.ops = &fsi_dai_ops,
},
@@ -1236,20 +1908,101 @@ static struct snd_soc_platform_driver fsi_soc_platform = {
.pcm_free = fsi_pcm_free,
};
+static const struct snd_soc_component_driver fsi_soc_component = {
+ .name = "fsi",
+};
+
/*
* platform function
*/
+static void fsi_of_parse(char *name,
+ struct device_node *np,
+ struct sh_fsi_port_info *info,
+ struct device *dev)
+{
+ int i;
+ char prop[128];
+ unsigned long flags = 0;
+ struct {
+ char *name;
+ unsigned int val;
+ } of_parse_property[] = {
+ { "spdif-connection", SH_FSI_FMT_SPDIF },
+ { "stream-mode-support", SH_FSI_ENABLE_STREAM_MODE },
+ { "use-internal-clock", SH_FSI_CLK_CPG },
+ };
+
+ for (i = 0; i < ARRAY_SIZE(of_parse_property); i++) {
+ sprintf(prop, "%s,%s", name, of_parse_property[i].name);
+ if (of_get_property(np, prop, NULL))
+ flags |= of_parse_property[i].val;
+ }
+ info->flags = flags;
+ dev_dbg(dev, "%s flags : %lx\n", name, info->flags);
+}
+
+static void fsi_port_info_init(struct fsi_priv *fsi,
+ struct sh_fsi_port_info *info)
+{
+ if (info->flags & SH_FSI_FMT_SPDIF)
+ fsi->spdif = 1;
+
+ if (info->flags & SH_FSI_CLK_CPG)
+ fsi->clk_cpg = 1;
+
+ if (info->flags & SH_FSI_ENABLE_STREAM_MODE)
+ fsi->enable_stream = 1;
+}
+
+static void fsi_handler_init(struct fsi_priv *fsi,
+ struct sh_fsi_port_info *info)
+{
+ fsi->playback.handler = &fsi_pio_push_handler; /* default PIO */
+ fsi->playback.priv = fsi;
+ fsi->capture.handler = &fsi_pio_pop_handler; /* default PIO */
+ fsi->capture.priv = fsi;
+
+ if (info->tx_id) {
+ fsi->playback.dma_id = info->tx_id;
+ fsi->playback.handler = &fsi_dma_push_handler;
+ }
+}
+
+static struct of_device_id fsi_of_match[];
static int fsi_probe(struct platform_device *pdev)
{
struct fsi_master *master;
- const struct platform_device_id *id_entry;
+ struct device_node *np = pdev->dev.of_node;
+ struct sh_fsi_platform_info info;
+ const struct fsi_core *core;
+ struct fsi_priv *fsi;
struct resource *res;
unsigned int irq;
int ret;
- id_entry = pdev->id_entry;
- if (!id_entry) {
+ memset(&info, 0, sizeof(info));
+
+ core = NULL;
+ if (np) {
+ const struct of_device_id *of_id;
+
+ of_id = of_match_device(fsi_of_match, &pdev->dev);
+ if (of_id) {
+ core = of_id->data;
+ fsi_of_parse("fsia", np, &info.port_a, &pdev->dev);
+ fsi_of_parse("fsib", np, &info.port_b, &pdev->dev);
+ }
+ } else {
+ const struct platform_device_id *id_entry = pdev->id_entry;
+ if (id_entry)
+ core = (struct fsi_core *)id_entry->driver_data;
+
+ if (pdev->dev.platform_data)
+ memcpy(&info, pdev->dev.platform_data, sizeof(info));
+ }
+
+ if (!core) {
dev_err(&pdev->dev, "unknown fsi device\n");
return -ENODEV;
}
@@ -1258,58 +2011,70 @@ static int fsi_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (!res || (int)irq <= 0) {
dev_err(&pdev->dev, "Not enough FSI platform resources.\n");
- ret = -ENODEV;
- goto exit;
+ return -ENODEV;
}
- master = kzalloc(sizeof(*master), GFP_KERNEL);
+ master = devm_kzalloc(&pdev->dev, sizeof(*master), GFP_KERNEL);
if (!master) {
dev_err(&pdev->dev, "Could not allocate master\n");
- ret = -ENOMEM;
- goto exit;
+ return -ENOMEM;
}
- master->base = ioremap_nocache(res->start, resource_size(res));
+ master->base = devm_ioremap_nocache(&pdev->dev,
+ res->start, resource_size(res));
if (!master->base) {
- ret = -ENXIO;
dev_err(&pdev->dev, "Unable to ioremap FSI registers.\n");
- goto exit_kfree;
+ return -ENXIO;
}
/* master setting */
- master->irq = irq;
- master->info = pdev->dev.platform_data;
- master->core = (struct fsi_core *)id_entry->driver_data;
+ master->core = core;
spin_lock_init(&master->lock);
/* FSI A setting */
- master->fsia.base = master->base;
- master->fsia.master = master;
+ fsi = &master->fsia;
+ fsi->base = master->base;
+ fsi->master = master;
+ fsi_port_info_init(fsi, &info.port_a);
+ fsi_handler_init(fsi, &info.port_a);
+ ret = fsi_stream_probe(fsi, &pdev->dev);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "FSIA stream probe failed\n");
+ return ret;
+ }
/* FSI B setting */
- master->fsib.base = master->base + 0x40;
- master->fsib.master = master;
+ fsi = &master->fsib;
+ fsi->base = master->base + 0x40;
+ fsi->master = master;
+ fsi_port_info_init(fsi, &info.port_b);
+ fsi_handler_init(fsi, &info.port_b);
+ ret = fsi_stream_probe(fsi, &pdev->dev);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "FSIB stream probe failed\n");
+ goto exit_fsia;
+ }
pm_runtime_enable(&pdev->dev);
dev_set_drvdata(&pdev->dev, master);
- ret = request_irq(irq, &fsi_interrupt, 0,
- id_entry->name, master);
+ ret = devm_request_irq(&pdev->dev, irq, &fsi_interrupt, 0,
+ dev_name(&pdev->dev), master);
if (ret) {
dev_err(&pdev->dev, "irq request err\n");
- goto exit_iounmap;
+ goto exit_fsib;
}
ret = snd_soc_register_platform(&pdev->dev, &fsi_soc_platform);
if (ret < 0) {
dev_err(&pdev->dev, "cannot snd soc register\n");
- goto exit_free_irq;
+ goto exit_fsib;
}
- ret = snd_soc_register_dais(&pdev->dev, fsi_soc_dai,
- ARRAY_SIZE(fsi_soc_dai));
+ ret = snd_soc_register_component(&pdev->dev, &fsi_soc_component,
+ fsi_soc_dai, ARRAY_SIZE(fsi_soc_dai));
if (ret < 0) {
- dev_err(&pdev->dev, "cannot snd dai register\n");
+ dev_err(&pdev->dev, "cannot snd component register\n");
goto exit_snd_soc;
}
@@ -1317,15 +2082,12 @@ static int fsi_probe(struct platform_device *pdev)
exit_snd_soc:
snd_soc_unregister_platform(&pdev->dev);
-exit_free_irq:
- free_irq(irq, master);
-exit_iounmap:
- iounmap(master->base);
+exit_fsib:
pm_runtime_disable(&pdev->dev);
-exit_kfree:
- kfree(master);
- master = NULL;
-exit:
+ fsi_stream_remove(&master->fsib);
+exit_fsia:
+ fsi_stream_remove(&master->fsia);
+
return ret;
}
@@ -1335,43 +2097,37 @@ static int fsi_remove(struct platform_device *pdev)
master = dev_get_drvdata(&pdev->dev);
- free_irq(master->irq, master);
pm_runtime_disable(&pdev->dev);
- snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(fsi_soc_dai));
+ snd_soc_unregister_component(&pdev->dev);
snd_soc_unregister_platform(&pdev->dev);
- iounmap(master->base);
- kfree(master);
+ fsi_stream_remove(&master->fsia);
+ fsi_stream_remove(&master->fsib);
return 0;
}
static void __fsi_suspend(struct fsi_priv *fsi,
- int is_play,
+ struct fsi_stream *io,
struct device *dev)
{
- if (!fsi_stream_is_working(fsi, is_play))
+ if (!fsi_stream_is_working(fsi, io))
return;
- fsi_port_stop(fsi, is_play);
- fsi_hw_shutdown(fsi, is_play, dev);
+ fsi_stream_stop(fsi, io);
+ fsi_hw_shutdown(fsi, dev);
}
static void __fsi_resume(struct fsi_priv *fsi,
- int is_play,
+ struct fsi_stream *io,
struct device *dev)
{
- if (!fsi_stream_is_working(fsi, is_play))
+ if (!fsi_stream_is_working(fsi, io))
return;
- fsi_hw_startup(fsi, is_play, dev);
-
- if (fsi_is_clk_master(fsi) && fsi->rate)
- fsi_set_master_clk(dev, fsi, fsi->rate, 1);
-
- fsi_port_start(fsi, is_play);
-
+ fsi_hw_startup(fsi, io, dev);
+ fsi_stream_start(fsi, io);
}
static int fsi_suspend(struct device *dev)
@@ -1380,11 +2136,11 @@ static int fsi_suspend(struct device *dev)
struct fsi_priv *fsia = &master->fsia;
struct fsi_priv *fsib = &master->fsib;
- __fsi_suspend(fsia, 1, dev);
- __fsi_suspend(fsia, 0, dev);
+ __fsi_suspend(fsia, &fsia->playback, dev);
+ __fsi_suspend(fsia, &fsia->capture, dev);
- __fsi_suspend(fsib, 1, dev);
- __fsi_suspend(fsib, 0, dev);
+ __fsi_suspend(fsib, &fsib->playback, dev);
+ __fsi_suspend(fsib, &fsib->capture, dev);
return 0;
}
@@ -1395,32 +2151,18 @@ static int fsi_resume(struct device *dev)
struct fsi_priv *fsia = &master->fsia;
struct fsi_priv *fsib = &master->fsib;
- __fsi_resume(fsia, 1, dev);
- __fsi_resume(fsia, 0, dev);
+ __fsi_resume(fsia, &fsia->playback, dev);
+ __fsi_resume(fsia, &fsia->capture, dev);
- __fsi_resume(fsib, 1, dev);
- __fsi_resume(fsib, 0, dev);
+ __fsi_resume(fsib, &fsib->playback, dev);
+ __fsi_resume(fsib, &fsib->capture, dev);
return 0;
}
-static int fsi_runtime_nop(struct device *dev)
-{
- /* Runtime PM callback shared between ->runtime_suspend()
- * and ->runtime_resume(). Simply returns success.
- *
- * This driver re-initializes all registers after
- * pm_runtime_get_sync() anyway so there is no need
- * to save and restore registers here.
- */
- return 0;
-}
-
static struct dev_pm_ops fsi_pm_ops = {
.suspend = fsi_suspend,
.resume = fsi_resume,
- .runtime_suspend = fsi_runtime_nop,
- .runtime_resume = fsi_runtime_nop,
};
static struct fsi_core fsi1_core = {
@@ -1443,6 +2185,13 @@ static struct fsi_core fsi2_core = {
.b_mclk = B_MST_CTLR,
};
+static struct of_device_id fsi_of_match[] = {
+ { .compatible = "renesas,sh_fsi", .data = &fsi1_core},
+ { .compatible = "renesas,sh_fsi2", .data = &fsi2_core},
+ {},
+};
+MODULE_DEVICE_TABLE(of, fsi_of_match);
+
static struct platform_device_id fsi_id_table[] = {
{ "sh_fsi", (kernel_ulong_t)&fsi1_core },
{ "sh_fsi2", (kernel_ulong_t)&fsi2_core },
@@ -1454,6 +2203,7 @@ static struct platform_driver fsi_driver = {
.driver = {
.name = "fsi-pcm-audio",
.pm = &fsi_pm_ops,
+ .of_match_table = fsi_of_match,
},
.probe = fsi_probe,
.remove = fsi_remove,
diff --git a/sound/soc/sh/hac.c b/sound/soc/sh/hac.c
index 3474d7befe5..0af2e4dfd13 100644
--- a/sound/soc/sh/hac.c
+++ b/sound/soc/sh/hac.c
@@ -227,13 +227,12 @@ static void hac_ac97_coldrst(struct snd_ac97 *ac97)
hac_ac97_warmrst(ac97);
}
-struct snd_ac97_bus_ops soc_ac97_ops = {
+static struct snd_ac97_bus_ops hac_ac97_ops = {
.read = hac_ac97_read,
.write = hac_ac97_write,
.reset = hac_ac97_coldrst,
.warm_reset = hac_ac97_warmrst,
};
-EXPORT_SYMBOL_GPL(soc_ac97_ops);
static int hac_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
@@ -310,15 +309,24 @@ static struct snd_soc_dai_driver sh4_hac_dai[] = {
#endif
};
-static int __devinit hac_soc_platform_probe(struct platform_device *pdev)
+static const struct snd_soc_component_driver sh4_hac_component = {
+ .name = "sh4-hac",
+};
+
+static int hac_soc_platform_probe(struct platform_device *pdev)
{
- return snd_soc_register_dais(&pdev->dev, sh4_hac_dai,
- ARRAY_SIZE(sh4_hac_dai));
+ ret = snd_soc_set_ac97_ops(&hac_ac97_ops);
+ if (ret != 0)
+ return ret;
+
+ return snd_soc_register_component(&pdev->dev, &sh4_hac_component,
+ sh4_hac_dai, ARRAY_SIZE(sh4_hac_dai));
}
-static int __devexit hac_soc_platform_remove(struct platform_device *pdev)
+static int hac_soc_platform_remove(struct platform_device *pdev)
{
- snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(sh4_hac_dai));
+ snd_soc_unregister_component(&pdev->dev);
+ snd_soc_set_ac97_ops(NULL);
return 0;
}
@@ -329,7 +337,7 @@ static struct platform_driver hac_pcm_driver = {
},
.probe = hac_soc_platform_probe,
- .remove = __devexit_p(hac_soc_platform_remove),
+ .remove = hac_soc_platform_remove,
};
module_platform_driver(hac_pcm_driver);
diff --git a/sound/soc/sh/migor.c b/sound/soc/sh/migor.c
index 9d9ad8d61c0..c58c2529f10 100644
--- a/sound/soc/sh/migor.c
+++ b/sound/soc/sh/migor.c
@@ -35,7 +35,7 @@ static unsigned long siumckb_recalc(struct clk *clk)
return codec_freq;
}
-static struct clk_ops siumckb_clk_ops = {
+static struct sh_clk_ops siumckb_clk_ops = {
.recalc = siumckb_recalc,
};
@@ -136,29 +136,15 @@ static const struct snd_soc_dapm_route audio_map[] = {
{ "Mic Bias", NULL, "External Microphone" },
};
-static int migor_dai_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_codec *codec = rtd->codec;
- struct snd_soc_dapm_context *dapm = &codec->dapm;
-
- snd_soc_dapm_new_controls(dapm, migor_dapm_widgets,
- ARRAY_SIZE(migor_dapm_widgets));
-
- snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
-
- return 0;
-}
-
/* migor digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link migor_dai = {
.name = "wm8978",
.stream_name = "WM8978",
- .cpu_dai_name = "siu-i2s-dai",
+ .cpu_dai_name = "siu-pcm-audio",
.codec_dai_name = "wm8978-hifi",
.platform_name = "siu-pcm-audio",
.codec_name = "wm8978.0-001a",
.ops = &migor_dai_ops,
- .init = migor_dai_init,
};
/* migor audio machine driver */
@@ -167,6 +153,11 @@ static struct snd_soc_card snd_soc_migor = {
.owner = THIS_MODULE,
.dai_link = &migor_dai,
.num_links = 1,
+
+ .dapm_widgets = migor_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(migor_dapm_widgets),
+ .dapm_routes = audio_map,
+ .num_dapm_routes = ARRAY_SIZE(audio_map),
};
static struct platform_device *migor_snd_device;
diff --git a/sound/soc/sh/rcar/Makefile b/sound/soc/sh/rcar/Makefile
new file mode 100644
index 00000000000..9ac53642980
--- /dev/null
+++ b/sound/soc/sh/rcar/Makefile
@@ -0,0 +1,2 @@
+snd-soc-rcar-objs := core.o gen.o src.o adg.o ssi.o dvc.o
+obj-$(CONFIG_SND_SOC_RCAR) += snd-soc-rcar.o \ No newline at end of file
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
new file mode 100644
index 00000000000..fc41a0e8b09
--- /dev/null
+++ b/sound/soc/sh/rcar/adg.c
@@ -0,0 +1,442 @@
+/*
+ * Helper routines for R-Car sound ADG.
+ *
+ * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/sh_clk.h>
+#include "rsnd.h"
+
+#define CLKA 0
+#define CLKB 1
+#define CLKC 2
+#define CLKI 3
+#define CLKMAX 4
+
+struct rsnd_adg {
+ struct clk *clk[CLKMAX];
+
+ int rbga_rate_for_441khz_div_6; /* RBGA */
+ int rbgb_rate_for_48khz_div_6; /* RBGB */
+ u32 ckr;
+};
+
+#define for_each_rsnd_clk(pos, adg, i) \
+ for (i = 0; \
+ (i < CLKMAX) && \
+ ((pos) = adg->clk[i]); \
+ i++)
+#define rsnd_priv_to_adg(priv) ((struct rsnd_adg *)(priv)->adg)
+
+
+static u32 rsnd_adg_ssi_ws_timing_gen2(struct rsnd_dai_stream *io)
+{
+ struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io);
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ int id = rsnd_mod_id(mod);
+ int ws = id;
+
+ if (rsnd_ssi_is_pin_sharing(rsnd_ssi_mod_get(priv, id))) {
+ switch (id) {
+ case 1:
+ case 2:
+ ws = 0;
+ break;
+ case 4:
+ ws = 3;
+ break;
+ case 8:
+ ws = 7;
+ break;
+ }
+ }
+
+ return (0x6 + ws) << 8;
+}
+
+int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai,
+ struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io)
+{
+ int id = rsnd_mod_id(mod);
+ int shift = (id % 2) ? 16 : 0;
+ u32 mask, val;
+
+ val = rsnd_adg_ssi_ws_timing_gen2(io);
+
+ val = val << shift;
+ mask = 0xffff << shift;
+
+ rsnd_mod_bset(mod, CMDOUT_TIMSEL, mask, val);
+
+ return 0;
+}
+
+static int rsnd_adg_set_src_timsel_gen2(struct rsnd_dai *rdai,
+ struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io,
+ u32 timsel)
+{
+ int is_play = rsnd_dai_is_play(rdai, io);
+ int id = rsnd_mod_id(mod);
+ int shift = (id % 2) ? 16 : 0;
+ u32 mask, ws;
+ u32 in, out;
+
+ ws = rsnd_adg_ssi_ws_timing_gen2(io);
+
+ in = (is_play) ? timsel : ws;
+ out = (is_play) ? ws : timsel;
+
+ in = in << shift;
+ out = out << shift;
+ mask = 0xffff << shift;
+
+ switch (id / 2) {
+ case 0:
+ rsnd_mod_bset(mod, SRCIN_TIMSEL0, mask, in);
+ rsnd_mod_bset(mod, SRCOUT_TIMSEL0, mask, out);
+ break;
+ case 1:
+ rsnd_mod_bset(mod, SRCIN_TIMSEL1, mask, in);
+ rsnd_mod_bset(mod, SRCOUT_TIMSEL1, mask, out);
+ break;
+ case 2:
+ rsnd_mod_bset(mod, SRCIN_TIMSEL2, mask, in);
+ rsnd_mod_bset(mod, SRCOUT_TIMSEL2, mask, out);
+ break;
+ case 3:
+ rsnd_mod_bset(mod, SRCIN_TIMSEL3, mask, in);
+ rsnd_mod_bset(mod, SRCOUT_TIMSEL3, mask, out);
+ break;
+ case 4:
+ rsnd_mod_bset(mod, SRCIN_TIMSEL4, mask, in);
+ rsnd_mod_bset(mod, SRCOUT_TIMSEL4, mask, out);
+ break;
+ }
+
+ return 0;
+}
+
+int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io,
+ unsigned int src_rate,
+ unsigned int dst_rate)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct rsnd_adg *adg = rsnd_priv_to_adg(priv);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ int idx, sel, div, step, ret;
+ u32 val, en;
+ unsigned int min, diff;
+ unsigned int sel_rate [] = {
+ clk_get_rate(adg->clk[CLKA]), /* 0000: CLKA */
+ clk_get_rate(adg->clk[CLKB]), /* 0001: CLKB */
+ clk_get_rate(adg->clk[CLKC]), /* 0010: CLKC */
+ adg->rbga_rate_for_441khz_div_6,/* 0011: RBGA */
+ adg->rbgb_rate_for_48khz_div_6, /* 0100: RBGB */
+ };
+
+ min = ~0;
+ val = 0;
+ en = 0;
+ for (sel = 0; sel < ARRAY_SIZE(sel_rate); sel++) {
+ idx = 0;
+ step = 2;
+
+ if (!sel_rate[sel])
+ continue;
+
+ for (div = 2; div <= 98304; div += step) {
+ diff = abs(src_rate - sel_rate[sel] / div);
+ if (min > diff) {
+ val = (sel << 8) | idx;
+ min = diff;
+ en = 1 << (sel + 1); /* fixme */
+ }
+
+ /*
+ * step of 0_0000 / 0_0001 / 0_1101
+ * are out of order
+ */
+ if ((idx > 2) && (idx % 2))
+ step *= 2;
+ if (idx == 0x1c) {
+ div += step;
+ step *= 2;
+ }
+ idx++;
+ }
+ }
+
+ if (min == ~0) {
+ dev_err(dev, "no Input clock\n");
+ return -EIO;
+ }
+
+ ret = rsnd_adg_set_src_timsel_gen2(rdai, mod, io, val);
+ if (ret < 0) {
+ dev_err(dev, "timsel error\n");
+ return ret;
+ }
+
+ rsnd_mod_bset(mod, DIV_EN, en, en);
+
+ return 0;
+}
+
+int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ u32 val = rsnd_adg_ssi_ws_timing_gen2(io);
+
+ return rsnd_adg_set_src_timsel_gen2(rdai, mod, io, val);
+}
+
+int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
+ struct rsnd_mod *mod,
+ unsigned int src_rate,
+ unsigned int dst_rate)
+{
+ struct rsnd_adg *adg = rsnd_priv_to_adg(priv);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ int idx, sel, div, shift;
+ u32 mask, val;
+ int id = rsnd_mod_id(mod);
+ unsigned int sel_rate [] = {
+ clk_get_rate(adg->clk[CLKA]), /* 000: CLKA */
+ clk_get_rate(adg->clk[CLKB]), /* 001: CLKB */
+ clk_get_rate(adg->clk[CLKC]), /* 010: CLKC */
+ 0, /* 011: MLBCLK (not used) */
+ adg->rbga_rate_for_441khz_div_6,/* 100: RBGA */
+ adg->rbgb_rate_for_48khz_div_6, /* 101: RBGB */
+ };
+
+ /* find div (= 1/128, 1/256, 1/512, 1/1024, 1/2048 */
+ for (sel = 0; sel < ARRAY_SIZE(sel_rate); sel++) {
+ for (div = 128, idx = 0;
+ div <= 2048;
+ div *= 2, idx++) {
+ if (src_rate == sel_rate[sel] / div) {
+ val = (idx << 4) | sel;
+ goto find_rate;
+ }
+ }
+ }
+ dev_err(dev, "can't find convert src clk\n");
+ return -EINVAL;
+
+find_rate:
+ shift = (id % 4) * 8;
+ mask = 0xFF << shift;
+ val = val << shift;
+
+ dev_dbg(dev, "adg convert src clk = %02x\n", val);
+
+ switch (id / 4) {
+ case 0:
+ rsnd_mod_bset(mod, AUDIO_CLK_SEL3, mask, val);
+ break;
+ case 1:
+ rsnd_mod_bset(mod, AUDIO_CLK_SEL4, mask, val);
+ break;
+ case 2:
+ rsnd_mod_bset(mod, AUDIO_CLK_SEL5, mask, val);
+ break;
+ }
+
+ /*
+ * Gen1 doesn't need dst_rate settings,
+ * since it uses SSI WS pin.
+ * see also rsnd_src_set_route_if_gen1()
+ */
+
+ return 0;
+}
+
+static void rsnd_adg_set_ssi_clk(struct rsnd_mod *mod, u32 val)
+{
+ int id = rsnd_mod_id(mod);
+ int shift = (id % 4) * 8;
+ u32 mask = 0xFF << shift;
+
+ val = val << shift;
+
+ /*
+ * SSI 8 is not connected to ADG.
+ * it works with SSI 7
+ */
+ if (id == 8)
+ return;
+
+ switch (id / 4) {
+ case 0:
+ rsnd_mod_bset(mod, AUDIO_CLK_SEL0, mask, val);
+ break;
+ case 1:
+ rsnd_mod_bset(mod, AUDIO_CLK_SEL1, mask, val);
+ break;
+ case 2:
+ rsnd_mod_bset(mod, AUDIO_CLK_SEL2, mask, val);
+ break;
+ }
+}
+
+int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod)
+{
+ /*
+ * "mod" = "ssi" here.
+ * we can get "ssi id" from mod
+ */
+ rsnd_adg_set_ssi_clk(mod, 0);
+
+ return 0;
+}
+
+int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct rsnd_adg *adg = rsnd_priv_to_adg(priv);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct clk *clk;
+ int i;
+ u32 data;
+ int sel_table[] = {
+ [CLKA] = 0x1,
+ [CLKB] = 0x2,
+ [CLKC] = 0x3,
+ [CLKI] = 0x0,
+ };
+
+ dev_dbg(dev, "request clock = %d\n", rate);
+
+ /*
+ * find suitable clock from
+ * AUDIO_CLKA/AUDIO_CLKB/AUDIO_CLKC/AUDIO_CLKI.
+ */
+ data = 0;
+ for_each_rsnd_clk(clk, adg, i) {
+ if (rate == clk_get_rate(clk)) {
+ data = sel_table[i];
+ goto found_clock;
+ }
+ }
+
+ /*
+ * find 1/6 clock from BRGA/BRGB
+ */
+ if (rate == adg->rbga_rate_for_441khz_div_6) {
+ data = 0x10;
+ goto found_clock;
+ }
+
+ if (rate == adg->rbgb_rate_for_48khz_div_6) {
+ data = 0x20;
+ goto found_clock;
+ }
+
+ return -EIO;
+
+found_clock:
+
+ /* see rsnd_adg_ssi_clk_init() */
+ rsnd_mod_bset(mod, SSICKR, 0x00FF0000, adg->ckr);
+ rsnd_mod_write(mod, BRRA, 0x00000002); /* 1/6 */
+ rsnd_mod_write(mod, BRRB, 0x00000002); /* 1/6 */
+
+ /*
+ * This "mod" = "ssi" here.
+ * we can get "ssi id" from mod
+ */
+ rsnd_adg_set_ssi_clk(mod, data);
+
+ dev_dbg(dev, "ADG: ssi%d selects clk%d = %d",
+ rsnd_mod_id(mod), i, rate);
+
+ return 0;
+}
+
+static void rsnd_adg_ssi_clk_init(struct rsnd_priv *priv, struct rsnd_adg *adg)
+{
+ struct clk *clk;
+ unsigned long rate;
+ u32 ckr;
+ int i;
+ int brg_table[] = {
+ [CLKA] = 0x0,
+ [CLKB] = 0x1,
+ [CLKC] = 0x4,
+ [CLKI] = 0x2,
+ };
+
+ /*
+ * This driver is assuming that AUDIO_CLKA/AUDIO_CLKB/AUDIO_CLKC
+ * have 44.1kHz or 48kHz base clocks for now.
+ *
+ * SSI itself can divide parent clock by 1/1 - 1/16
+ * So, BRGA outputs 44.1kHz base parent clock 1/32,
+ * and, BRGB outputs 48.0kHz base parent clock 1/32 here.
+ * see
+ * rsnd_adg_ssi_clk_try_start()
+ */
+ ckr = 0;
+ adg->rbga_rate_for_441khz_div_6 = 0;
+ adg->rbgb_rate_for_48khz_div_6 = 0;
+ for_each_rsnd_clk(clk, adg, i) {
+ rate = clk_get_rate(clk);
+
+ if (0 == rate) /* not used */
+ continue;
+
+ /* RBGA */
+ if (!adg->rbga_rate_for_441khz_div_6 && (0 == rate % 44100)) {
+ adg->rbga_rate_for_441khz_div_6 = rate / 6;
+ ckr |= brg_table[i] << 20;
+ }
+
+ /* RBGB */
+ if (!adg->rbgb_rate_for_48khz_div_6 && (0 == rate % 48000)) {
+ adg->rbgb_rate_for_48khz_div_6 = rate / 6;
+ ckr |= brg_table[i] << 16;
+ }
+ }
+
+ adg->ckr = ckr;
+}
+
+int rsnd_adg_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct rsnd_adg *adg;
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct clk *clk;
+ int i;
+
+ adg = devm_kzalloc(dev, sizeof(*adg), GFP_KERNEL);
+ if (!adg) {
+ dev_err(dev, "ADG allocate failed\n");
+ return -ENOMEM;
+ }
+
+ adg->clk[CLKA] = devm_clk_get(dev, "clk_a");
+ adg->clk[CLKB] = devm_clk_get(dev, "clk_b");
+ adg->clk[CLKC] = devm_clk_get(dev, "clk_c");
+ adg->clk[CLKI] = devm_clk_get(dev, "clk_i");
+
+ for_each_rsnd_clk(clk, adg, i)
+ dev_dbg(dev, "clk %d : %p\n", i, clk);
+
+ rsnd_adg_ssi_clk_init(priv, adg);
+
+ priv->adg = adg;
+
+ dev_dbg(dev, "adg probed\n");
+
+ return 0;
+}
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
new file mode 100644
index 00000000000..4e86265f625
--- /dev/null
+++ b/sound/soc/sh/rcar/core.c
@@ -0,0 +1,1120 @@
+/*
+ * Renesas R-Car SRU/SCU/SSIU/SSI support
+ *
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * Based on fsi.c
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * Renesas R-Car sound device structure
+ *
+ * Gen1
+ *
+ * SRU : Sound Routing Unit
+ * - SRC : Sampling Rate Converter
+ * - CMD
+ * - CTU : Channel Count Conversion Unit
+ * - MIX : Mixer
+ * - DVC : Digital Volume and Mute Function
+ * - SSI : Serial Sound Interface
+ *
+ * Gen2
+ *
+ * SCU : Sampling Rate Converter Unit
+ * - SRC : Sampling Rate Converter
+ * - CMD
+ * - CTU : Channel Count Conversion Unit
+ * - MIX : Mixer
+ * - DVC : Digital Volume and Mute Function
+ * SSIU : Serial Sound Interface Unit
+ * - SSI : Serial Sound Interface
+ */
+
+/*
+ * driver data Image
+ *
+ * rsnd_priv
+ * |
+ * | ** this depends on Gen1/Gen2
+ * |
+ * +- gen
+ * |
+ * | ** these depend on data path
+ * | ** gen and platform data control it
+ * |
+ * +- rdai[0]
+ * | | sru ssiu ssi
+ * | +- playback -> [mod] -> [mod] -> [mod] -> ...
+ * | |
+ * | | sru ssiu ssi
+ * | +- capture -> [mod] -> [mod] -> [mod] -> ...
+ * |
+ * +- rdai[1]
+ * | | sru ssiu ssi
+ * | +- playback -> [mod] -> [mod] -> [mod] -> ...
+ * | |
+ * | | sru ssiu ssi
+ * | +- capture -> [mod] -> [mod] -> [mod] -> ...
+ * ...
+ * |
+ * | ** these control ssi
+ * |
+ * +- ssi
+ * | |
+ * | +- ssi[0]
+ * | +- ssi[1]
+ * | +- ssi[2]
+ * | ...
+ * |
+ * | ** these control src
+ * |
+ * +- src
+ * |
+ * +- src[0]
+ * +- src[1]
+ * +- src[2]
+ * ...
+ *
+ *
+ * for_each_rsnd_dai(xx, priv, xx)
+ * rdai[0] => rdai[1] => rdai[2] => ...
+ *
+ * for_each_rsnd_mod(xx, rdai, xx)
+ * [mod] => [mod] => [mod] => ...
+ *
+ * rsnd_dai_call(xxx, fn )
+ * [mod]->fn() -> [mod]->fn() -> [mod]->fn()...
+ *
+ */
+#include <linux/pm_runtime.h>
+#include <linux/shdma-base.h>
+#include "rsnd.h"
+
+#define RSND_RATES SNDRV_PCM_RATE_8000_96000
+#define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
+
+static struct rsnd_of_data rsnd_of_data_gen1 = {
+ .flags = RSND_GEN1,
+};
+
+static struct rsnd_of_data rsnd_of_data_gen2 = {
+ .flags = RSND_GEN2,
+};
+
+static struct of_device_id rsnd_of_match[] = {
+ { .compatible = "renesas,rcar_sound-gen1", .data = &rsnd_of_data_gen1 },
+ { .compatible = "renesas,rcar_sound-gen2", .data = &rsnd_of_data_gen2 },
+ {},
+};
+MODULE_DEVICE_TABLE(of, rsnd_of_match);
+
+/*
+ * rsnd_platform functions
+ */
+#define rsnd_platform_call(priv, dai, func, param...) \
+ (!(priv->info->func) ? 0 : \
+ priv->info->func(param))
+
+#define rsnd_is_enable_path(io, name) \
+ ((io)->info ? (io)->info->name : NULL)
+#define rsnd_info_id(priv, io, name) \
+ ((io)->info->name - priv->info->name##_info)
+
+/*
+ * rsnd_mod functions
+ */
+char *rsnd_mod_name(struct rsnd_mod *mod)
+{
+ if (!mod || !mod->ops)
+ return "unknown";
+
+ return mod->ops->name;
+}
+
+void rsnd_mod_init(struct rsnd_priv *priv,
+ struct rsnd_mod *mod,
+ struct rsnd_mod_ops *ops,
+ enum rsnd_mod_type type,
+ int id)
+{
+ mod->priv = priv;
+ mod->id = id;
+ mod->ops = ops;
+ mod->type = type;
+}
+
+/*
+ * rsnd_dma functions
+ */
+static void __rsnd_dma_start(struct rsnd_dma *dma);
+static void rsnd_dma_continue(struct rsnd_dma *dma)
+{
+ /* push next A or B plane */
+ dma->submit_loop = 1;
+ schedule_work(&dma->work);
+}
+
+void rsnd_dma_start(struct rsnd_dma *dma)
+{
+ /* push both A and B plane*/
+ dma->offset = 0;
+ dma->submit_loop = 2;
+ __rsnd_dma_start(dma);
+}
+
+void rsnd_dma_stop(struct rsnd_dma *dma)
+{
+ dma->submit_loop = 0;
+ cancel_work_sync(&dma->work);
+ dmaengine_terminate_all(dma->chan);
+}
+
+static void rsnd_dma_complete(void *data)
+{
+ struct rsnd_dma *dma = (struct rsnd_dma *)data;
+ struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
+ struct rsnd_priv *priv = rsnd_mod_to_priv(rsnd_dma_to_mod(dma));
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ unsigned long flags;
+
+ rsnd_lock(priv, flags);
+
+ /*
+ * Renesas sound Gen1 needs 1 DMAC,
+ * Gen2 needs 2 DMAC.
+ * In Gen2 case, it are Audio-DMAC, and Audio-DMAC-peri-peri.
+ * But, Audio-DMAC-peri-peri doesn't have interrupt,
+ * and this driver is assuming that here.
+ *
+ * If Audio-DMAC-peri-peri has interrpt,
+ * rsnd_dai_pointer_update() will be called twice,
+ * ant it will breaks io->byte_pos
+ */
+ if (dma->submit_loop)
+ rsnd_dma_continue(dma);
+
+ rsnd_unlock(priv, flags);
+
+ rsnd_dai_pointer_update(io, io->byte_per_period);
+}
+
+static void __rsnd_dma_start(struct rsnd_dma *dma)
+{
+ struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct dma_async_tx_descriptor *desc;
+ dma_addr_t buf;
+ size_t len = io->byte_per_period;
+ int i;
+
+ for (i = 0; i < dma->submit_loop; i++) {
+
+ buf = runtime->dma_addr +
+ rsnd_dai_pointer_offset(io, dma->offset + len);
+ dma->offset = len;
+
+ desc = dmaengine_prep_slave_single(
+ dma->chan, buf, len, dma->dir,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ if (!desc) {
+ dev_err(dev, "dmaengine_prep_slave_sg() fail\n");
+ return;
+ }
+
+ desc->callback = rsnd_dma_complete;
+ desc->callback_param = dma;
+
+ if (dmaengine_submit(desc) < 0) {
+ dev_err(dev, "dmaengine_submit() fail\n");
+ return;
+ }
+
+ dma_async_issue_pending(dma->chan);
+ }
+}
+
+static void rsnd_dma_do_work(struct work_struct *work)
+{
+ struct rsnd_dma *dma = container_of(work, struct rsnd_dma, work);
+
+ __rsnd_dma_start(dma);
+}
+
+int rsnd_dma_available(struct rsnd_dma *dma)
+{
+ return !!dma->chan;
+}
+
+#define DMA_NAME_SIZE 16
+#define MOD_MAX 4 /* MEM/SSI/SRC/DVC */
+static int _rsnd_dma_of_name(char *dma_name, struct rsnd_mod *mod)
+{
+ if (mod)
+ return snprintf(dma_name, DMA_NAME_SIZE / 2, "%s%d",
+ rsnd_mod_name(mod), rsnd_mod_id(mod));
+ else
+ return snprintf(dma_name, DMA_NAME_SIZE / 2, "mem");
+
+}
+
+static void rsnd_dma_of_name(struct rsnd_dma *dma,
+ int is_play, char *dma_name)
+{
+ struct rsnd_mod *this = rsnd_dma_to_mod(dma);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(this);
+ struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io);
+ struct rsnd_mod *src = rsnd_io_to_mod_src(io);
+ struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
+ struct rsnd_mod *mod[MOD_MAX];
+ struct rsnd_mod *src_mod, *dst_mod;
+ int i, index;
+
+
+ for (i = 0; i < MOD_MAX; i++)
+ mod[i] = NULL;
+
+ /*
+ * in play case...
+ *
+ * src -> dst
+ *
+ * mem -> SSI
+ * mem -> SRC -> SSI
+ * mem -> SRC -> DVC -> SSI
+ */
+ mod[0] = NULL; /* for "mem" */
+ index = 1;
+ for (i = 1; i < MOD_MAX; i++) {
+ if (!src) {
+ mod[i] = ssi;
+ break;
+ } else if (!dvc) {
+ mod[i] = src;
+ src = NULL;
+ } else {
+ mod[i] = dvc;
+ dvc = NULL;
+ }
+
+ if (mod[i] == this)
+ index = i;
+ }
+
+ if (is_play) {
+ src_mod = mod[index - 1];
+ dst_mod = mod[index];
+ } else {
+ src_mod = mod[index];
+ dst_mod = mod[index - 1];
+ }
+
+ index = 0;
+ index = _rsnd_dma_of_name(dma_name + index, src_mod);
+ *(dma_name + index++) = '_';
+ index = _rsnd_dma_of_name(dma_name + index, dst_mod);
+}
+
+int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
+ int is_play, int id)
+{
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct dma_slave_config cfg;
+ char dma_name[DMA_NAME_SIZE];
+ dma_cap_mask_t mask;
+ int ret;
+
+ if (dma->chan) {
+ dev_err(dev, "it already has dma channel\n");
+ return -EIO;
+ }
+
+ dma_cap_zero(mask);
+ dma_cap_set(DMA_SLAVE, mask);
+
+ if (dev->of_node)
+ rsnd_dma_of_name(dma, is_play, dma_name);
+ else
+ snprintf(dma_name, DMA_NAME_SIZE,
+ is_play ? "tx" : "rx");
+
+ dev_dbg(dev, "dma name : %s\n", dma_name);
+
+ dma->chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
+ (void *)id, dev,
+ dma_name);
+ if (!dma->chan) {
+ dev_err(dev, "can't get dma channel\n");
+ return -EIO;
+ }
+
+ rsnd_gen_dma_addr(priv, dma, &cfg, is_play, id);
+
+ ret = dmaengine_slave_config(dma->chan, &cfg);
+ if (ret < 0)
+ goto rsnd_dma_init_err;
+
+ dma->dir = is_play ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
+ INIT_WORK(&dma->work, rsnd_dma_do_work);
+
+ return 0;
+
+rsnd_dma_init_err:
+ rsnd_dma_quit(priv, dma);
+
+ return ret;
+}
+
+void rsnd_dma_quit(struct rsnd_priv *priv,
+ struct rsnd_dma *dma)
+{
+ if (dma->chan)
+ dma_release_channel(dma->chan);
+
+ dma->chan = NULL;
+}
+
+/*
+ * settting function
+ */
+u32 rsnd_get_adinr(struct rsnd_mod *mod)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ u32 adinr = runtime->channels;
+
+ switch (runtime->sample_bits) {
+ case 16:
+ adinr |= (8 << 16);
+ break;
+ case 32:
+ adinr |= (0 << 16);
+ break;
+ default:
+ dev_warn(dev, "not supported sample bits\n");
+ return 0;
+ }
+
+ return adinr;
+}
+
+/*
+ * rsnd_dai functions
+ */
+#define __rsnd_mod_call(mod, func, rdai...) \
+({ \
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \
+ struct device *dev = rsnd_priv_to_dev(priv); \
+ dev_dbg(dev, "%s [%d] %s\n", \
+ rsnd_mod_name(mod), rsnd_mod_id(mod), #func); \
+ (mod)->ops->func(mod, rdai); \
+})
+
+#define rsnd_mod_call(mod, func, rdai...) \
+ (!(mod) ? -ENODEV : \
+ !((mod)->ops->func) ? 0 : \
+ __rsnd_mod_call(mod, func, rdai))
+
+#define rsnd_dai_call(fn, io, rdai...) \
+({ \
+ struct rsnd_mod *mod; \
+ int ret = 0, i; \
+ for (i = 0; i < RSND_MOD_MAX; i++) { \
+ mod = (io)->mod[i]; \
+ if (!mod) \
+ continue; \
+ ret = rsnd_mod_call(mod, fn, rdai); \
+ if (ret < 0) \
+ break; \
+ } \
+ ret; \
+})
+
+static int rsnd_dai_connect(struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io)
+{
+ if (!mod)
+ return -EIO;
+
+ if (io->mod[mod->type]) {
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+
+ dev_err(dev, "%s%d is not empty\n",
+ rsnd_mod_name(mod),
+ rsnd_mod_id(mod));
+ return -EIO;
+ }
+
+ io->mod[mod->type] = mod;
+ mod->io = io;
+
+ return 0;
+}
+
+int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai)
+{
+ int id = rdai - priv->rdai;
+
+ if ((id < 0) || (id >= rsnd_rdai_nr(priv)))
+ return -EINVAL;
+
+ return id;
+}
+
+struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id)
+{
+ if ((id < 0) || (id >= rsnd_rdai_nr(priv)))
+ return NULL;
+
+ return priv->rdai + id;
+}
+
+static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai)
+{
+ struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai);
+
+ return rsnd_dai_get(priv, dai->id);
+}
+
+int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io)
+{
+ return &rdai->playback == io;
+}
+
+/*
+ * rsnd_soc_dai functions
+ */
+int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional)
+{
+ struct snd_pcm_substream *substream = io->substream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int pos = io->byte_pos + additional;
+
+ pos %= (runtime->periods * io->byte_per_period);
+
+ return pos;
+}
+
+void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte)
+{
+ io->byte_pos += byte;
+
+ if (io->byte_pos >= io->next_period_byte) {
+ struct snd_pcm_substream *substream = io->substream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ io->period_pos++;
+ io->next_period_byte += io->byte_per_period;
+
+ if (io->period_pos >= runtime->periods) {
+ io->byte_pos = 0;
+ io->period_pos = 0;
+ io->next_period_byte = io->byte_per_period;
+ }
+
+ snd_pcm_period_elapsed(substream);
+ }
+}
+
+static int rsnd_dai_stream_init(struct rsnd_dai_stream *io,
+ struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ io->substream = substream;
+ io->byte_pos = 0;
+ io->period_pos = 0;
+ io->byte_per_period = runtime->period_size *
+ runtime->channels *
+ samples_to_bytes(runtime, 1);
+ io->next_period_byte = io->byte_per_period;
+
+ return 0;
+}
+
+static
+struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ return rtd->cpu_dai;
+}
+
+static
+struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai,
+ struct snd_pcm_substream *substream)
+{
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ return &rdai->playback;
+ else
+ return &rdai->capture;
+}
+
+static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
+ struct snd_soc_dai *dai)
+{
+ struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai);
+ struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
+ struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
+ int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io));
+ int ret;
+ unsigned long flags;
+
+ rsnd_lock(priv, flags);
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ ret = rsnd_dai_stream_init(io, substream);
+ if (ret < 0)
+ goto dai_trigger_end;
+
+ ret = rsnd_platform_call(priv, dai, start, ssi_id);
+ if (ret < 0)
+ goto dai_trigger_end;
+
+ ret = rsnd_dai_call(init, io, rdai);
+ if (ret < 0)
+ goto dai_trigger_end;
+
+ ret = rsnd_dai_call(start, io, rdai);
+ if (ret < 0)
+ goto dai_trigger_end;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ ret = rsnd_dai_call(stop, io, rdai);
+ if (ret < 0)
+ goto dai_trigger_end;
+
+ ret = rsnd_dai_call(quit, io, rdai);
+ if (ret < 0)
+ goto dai_trigger_end;
+
+ ret = rsnd_platform_call(priv, dai, stop, ssi_id);
+ if (ret < 0)
+ goto dai_trigger_end;
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+dai_trigger_end:
+ rsnd_unlock(priv, flags);
+
+ return ret;
+}
+
+static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
+
+ /* set master/slave audio interface */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ rdai->clk_master = 0;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ rdai->clk_master = 1; /* codec is slave, cpu is master */
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* set clock inversion */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_IF:
+ rdai->bit_clk_inv = 0;
+ rdai->frm_clk_inv = 1;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ rdai->bit_clk_inv = 1;
+ rdai->frm_clk_inv = 0;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ rdai->bit_clk_inv = 1;
+ rdai->frm_clk_inv = 1;
+ break;
+ case SND_SOC_DAIFMT_NB_NF:
+ default:
+ rdai->bit_clk_inv = 0;
+ rdai->frm_clk_inv = 0;
+ break;
+ }
+
+ /* set format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ rdai->sys_delay = 0;
+ rdai->data_alignment = 0;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ rdai->sys_delay = 1;
+ rdai->data_alignment = 0;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ rdai->sys_delay = 1;
+ rdai->data_alignment = 1;
+ break;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
+ .trigger = rsnd_soc_dai_trigger,
+ .set_fmt = rsnd_soc_dai_set_fmt,
+};
+
+#define rsnd_path_parse(priv, io, type) \
+({ \
+ struct rsnd_mod *mod; \
+ int ret = 0; \
+ int id = -1; \
+ \
+ if (rsnd_is_enable_path(io, type)) { \
+ id = rsnd_info_id(priv, io, type); \
+ if (id >= 0) { \
+ mod = rsnd_##type##_mod_get(priv, id); \
+ ret = rsnd_dai_connect(mod, io); \
+ } \
+ } \
+ ret; \
+})
+
+static int rsnd_path_init(struct rsnd_priv *priv,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ int ret;
+
+ /*
+ * Gen1 is created by SRU/SSI, and this SRU is base module of
+ * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU)
+ *
+ * Easy image is..
+ * Gen1 SRU = Gen2 SCU + SSIU + etc
+ *
+ * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is
+ * using fixed path.
+ */
+
+ /* SRC */
+ ret = rsnd_path_parse(priv, io, src);
+ if (ret < 0)
+ return ret;
+
+ /* SSI */
+ ret = rsnd_path_parse(priv, io, ssi);
+ if (ret < 0)
+ return ret;
+
+ /* DVC */
+ ret = rsnd_path_parse(priv, io, dvc);
+ if (ret < 0)
+ return ret;
+
+ return ret;
+}
+
+static void rsnd_of_parse_dai(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct device_node *dai_node, *dai_np;
+ struct device_node *ssi_node, *ssi_np;
+ struct device_node *src_node, *src_np;
+ struct device_node *playback, *capture;
+ struct rsnd_dai_platform_info *dai_info;
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct device *dev = &pdev->dev;
+ int nr, i;
+ int dai_i, ssi_i, src_i;
+
+ if (!of_data)
+ return;
+
+ dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai");
+ if (!dai_node)
+ return;
+
+ nr = of_get_child_count(dai_node);
+ if (!nr)
+ return;
+
+ dai_info = devm_kzalloc(dev,
+ sizeof(struct rsnd_dai_platform_info) * nr,
+ GFP_KERNEL);
+ if (!dai_info) {
+ dev_err(dev, "dai info allocation error\n");
+ return;
+ }
+
+ info->dai_info_nr = nr;
+ info->dai_info = dai_info;
+
+ ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi");
+ src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src");
+
+#define mod_parse(name) \
+if (name##_node) { \
+ struct rsnd_##name##_platform_info *name##_info; \
+ \
+ name##_i = 0; \
+ for_each_child_of_node(name##_node, name##_np) { \
+ name##_info = info->name##_info + name##_i; \
+ \
+ if (name##_np == playback) \
+ dai_info->playback.name = name##_info; \
+ if (name##_np == capture) \
+ dai_info->capture.name = name##_info; \
+ \
+ name##_i++; \
+ } \
+}
+
+ /*
+ * parse all dai
+ */
+ dai_i = 0;
+ for_each_child_of_node(dai_node, dai_np) {
+ dai_info = info->dai_info + dai_i;
+
+ for (i = 0;; i++) {
+
+ playback = of_parse_phandle(dai_np, "playback", i);
+ capture = of_parse_phandle(dai_np, "capture", i);
+
+ if (!playback && !capture)
+ break;
+
+ mod_parse(ssi);
+ mod_parse(src);
+
+ if (playback)
+ of_node_put(playback);
+ if (capture)
+ of_node_put(capture);
+ }
+
+ dai_i++;
+ }
+}
+
+static int rsnd_dai_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct snd_soc_dai_driver *drv;
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct rsnd_dai *rdai;
+ struct rsnd_ssi_platform_info *pmod, *cmod;
+ struct device *dev = rsnd_priv_to_dev(priv);
+ int dai_nr;
+ int i;
+
+ rsnd_of_parse_dai(pdev, of_data, priv);
+
+ dai_nr = info->dai_info_nr;
+ if (!dai_nr) {
+ dev_err(dev, "no dai\n");
+ return -EIO;
+ }
+
+ drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL);
+ rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL);
+ if (!drv || !rdai) {
+ dev_err(dev, "dai allocate failed\n");
+ return -ENOMEM;
+ }
+
+ priv->rdai_nr = dai_nr;
+ priv->daidrv = drv;
+ priv->rdai = rdai;
+
+ for (i = 0; i < dai_nr; i++) {
+ rdai[i].info = &info->dai_info[i];
+
+ pmod = rdai[i].info->playback.ssi;
+ cmod = rdai[i].info->capture.ssi;
+
+ /*
+ * init rsnd_dai
+ */
+ snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i);
+
+ /*
+ * init snd_soc_dai_driver
+ */
+ drv[i].name = rdai[i].name;
+ drv[i].ops = &rsnd_soc_dai_ops;
+ if (pmod) {
+ drv[i].playback.rates = RSND_RATES;
+ drv[i].playback.formats = RSND_FMTS;
+ drv[i].playback.channels_min = 2;
+ drv[i].playback.channels_max = 2;
+
+ rdai[i].playback.info = &info->dai_info[i].playback;
+ rsnd_path_init(priv, &rdai[i], &rdai[i].playback);
+ }
+ if (cmod) {
+ drv[i].capture.rates = RSND_RATES;
+ drv[i].capture.formats = RSND_FMTS;
+ drv[i].capture.channels_min = 2;
+ drv[i].capture.channels_max = 2;
+
+ rdai[i].capture.info = &info->dai_info[i].capture;
+ rsnd_path_init(priv, &rdai[i], &rdai[i].capture);
+ }
+
+ dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name,
+ pmod ? "play" : " -- ",
+ cmod ? "capture" : " -- ");
+ }
+
+ return 0;
+}
+
+/*
+ * pcm ops
+ */
+static struct snd_pcm_hardware rsnd_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_PAUSE,
+ .buffer_bytes_max = 64 * 1024,
+ .period_bytes_min = 32,
+ .period_bytes_max = 8192,
+ .periods_min = 1,
+ .periods_max = 32,
+ .fifo_size = 256,
+};
+
+static int rsnd_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int ret = 0;
+
+ snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware);
+
+ ret = snd_pcm_hw_constraint_integer(runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+
+ return ret;
+}
+
+static int rsnd_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ return snd_pcm_lib_malloc_pages(substream,
+ params_buffer_bytes(hw_params));
+}
+
+static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);
+ struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
+ struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
+
+ return bytes_to_frames(runtime, io->byte_pos);
+}
+
+static struct snd_pcm_ops rsnd_pcm_ops = {
+ .open = rsnd_pcm_open,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = rsnd_hw_params,
+ .hw_free = snd_pcm_lib_free_pages,
+ .pointer = rsnd_pointer,
+};
+
+/*
+ * snd_soc_platform
+ */
+
+#define PREALLOC_BUFFER (32 * 1024)
+#define PREALLOC_BUFFER_MAX (32 * 1024)
+
+static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd)
+{
+ struct rsnd_priv *priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);
+ struct rsnd_dai *rdai;
+ int i, ret;
+
+ for_each_rsnd_dai(rdai, priv, i) {
+ ret = rsnd_dai_call(pcm_new, &rdai->playback, rdai, rtd);
+ if (ret)
+ return ret;
+
+ ret = rsnd_dai_call(pcm_new, &rdai->capture, rdai, rtd);
+ if (ret)
+ return ret;
+ }
+
+ return snd_pcm_lib_preallocate_pages_for_all(
+ rtd->pcm,
+ SNDRV_DMA_TYPE_DEV,
+ rtd->card->snd_card->dev,
+ PREALLOC_BUFFER, PREALLOC_BUFFER_MAX);
+}
+
+static void rsnd_pcm_free(struct snd_pcm *pcm)
+{
+ snd_pcm_lib_preallocate_free_for_all(pcm);
+}
+
+static struct snd_soc_platform_driver rsnd_soc_platform = {
+ .ops = &rsnd_pcm_ops,
+ .pcm_new = rsnd_pcm_new,
+ .pcm_free = rsnd_pcm_free,
+};
+
+static const struct snd_soc_component_driver rsnd_soc_component = {
+ .name = "rsnd",
+};
+
+/*
+ * rsnd probe
+ */
+static int rsnd_probe(struct platform_device *pdev)
+{
+ struct rcar_snd_info *info;
+ struct rsnd_priv *priv;
+ struct device *dev = &pdev->dev;
+ struct rsnd_dai *rdai;
+ const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev);
+ const struct rsnd_of_data *of_data;
+ int (*probe_func[])(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv) = {
+ rsnd_gen_probe,
+ rsnd_ssi_probe,
+ rsnd_src_probe,
+ rsnd_dvc_probe,
+ rsnd_adg_probe,
+ rsnd_dai_probe,
+ };
+ int ret, i;
+
+ info = NULL;
+ of_data = NULL;
+ if (of_id) {
+ info = devm_kzalloc(&pdev->dev,
+ sizeof(struct rcar_snd_info), GFP_KERNEL);
+ of_data = of_id->data;
+ } else {
+ info = pdev->dev.platform_data;
+ }
+
+ if (!info) {
+ dev_err(dev, "driver needs R-Car sound information\n");
+ return -ENODEV;
+ }
+
+ /*
+ * init priv data
+ */
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv) {
+ dev_err(dev, "priv allocate failed\n");
+ return -ENODEV;
+ }
+
+ priv->pdev = pdev;
+ priv->info = info;
+ spin_lock_init(&priv->lock);
+
+ /*
+ * init each module
+ */
+ for (i = 0; i < ARRAY_SIZE(probe_func); i++) {
+ ret = probe_func[i](pdev, of_data, priv);
+ if (ret)
+ return ret;
+ }
+
+ for_each_rsnd_dai(rdai, priv, i) {
+ ret = rsnd_dai_call(probe, &rdai->playback, rdai);
+ if (ret)
+ return ret;
+
+ ret = rsnd_dai_call(probe, &rdai->capture, rdai);
+ if (ret)
+ return ret;
+ }
+
+ /*
+ * asoc register
+ */
+ ret = snd_soc_register_platform(dev, &rsnd_soc_platform);
+ if (ret < 0) {
+ dev_err(dev, "cannot snd soc register\n");
+ return ret;
+ }
+
+ ret = snd_soc_register_component(dev, &rsnd_soc_component,
+ priv->daidrv, rsnd_rdai_nr(priv));
+ if (ret < 0) {
+ dev_err(dev, "cannot snd dai register\n");
+ goto exit_snd_soc;
+ }
+
+ dev_set_drvdata(dev, priv);
+
+ pm_runtime_enable(dev);
+
+ dev_info(dev, "probed\n");
+ return ret;
+
+exit_snd_soc:
+ snd_soc_unregister_platform(dev);
+
+ return ret;
+}
+
+static int rsnd_remove(struct platform_device *pdev)
+{
+ struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev);
+ struct rsnd_dai *rdai;
+ int ret, i;
+
+ pm_runtime_disable(&pdev->dev);
+
+ for_each_rsnd_dai(rdai, priv, i) {
+ ret = rsnd_dai_call(remove, &rdai->playback, rdai);
+ if (ret)
+ return ret;
+
+ ret = rsnd_dai_call(remove, &rdai->capture, rdai);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct platform_driver rsnd_driver = {
+ .driver = {
+ .name = "rcar_sound",
+ .of_match_table = rsnd_of_match,
+ },
+ .probe = rsnd_probe,
+ .remove = rsnd_remove,
+};
+module_platform_driver(rsnd_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Renesas R-Car audio driver");
+MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
+MODULE_ALIAS("platform:rcar-pcm-audio");
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
new file mode 100644
index 00000000000..ed000700689
--- /dev/null
+++ b/sound/soc/sh/rcar/dvc.c
@@ -0,0 +1,289 @@
+/*
+ * Renesas R-Car DVC support
+ *
+ * Copyright (C) 2014 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include "rsnd.h"
+
+#define RSND_DVC_NAME_SIZE 16
+#define RSND_DVC_VOLUME_MAX 100
+#define RSND_DVC_VOLUME_NUM 2
+
+#define DVC_NAME "dvc"
+
+struct rsnd_dvc {
+ struct rsnd_dvc_platform_info *info; /* rcar_snd.h */
+ struct rsnd_mod mod;
+ struct clk *clk;
+ long volume[RSND_DVC_VOLUME_NUM];
+};
+
+#define rsnd_mod_to_dvc(_mod) \
+ container_of((_mod), struct rsnd_dvc, mod)
+
+#define for_each_rsnd_dvc(pos, priv, i) \
+ for ((i) = 0; \
+ ((i) < rsnd_dvc_nr(priv)) && \
+ ((pos) = (struct rsnd_dvc *)(priv)->dvc + i); \
+ i++)
+
+static void rsnd_dvc_volume_update(struct rsnd_mod *mod)
+{
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+ u32 max = (0x00800000 - 1);
+ u32 vol[RSND_DVC_VOLUME_NUM];
+ int i;
+
+ for (i = 0; i < RSND_DVC_VOLUME_NUM; i++)
+ vol[i] = max / RSND_DVC_VOLUME_MAX * dvc->volume[i];
+
+ rsnd_mod_write(mod, DVC_VOL0R, vol[0]);
+ rsnd_mod_write(mod, DVC_VOL1R, vol[1]);
+}
+
+static int rsnd_dvc_probe_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+
+ dev_dbg(dev, "%s (Gen2) is probed\n", rsnd_mod_name(mod));
+
+ return 0;
+}
+
+static int rsnd_dvc_init(struct rsnd_mod *dvc_mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(dvc_mod);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(dvc_mod);
+ struct rsnd_priv *priv = rsnd_mod_to_priv(dvc_mod);
+ struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ int dvc_id = rsnd_mod_id(dvc_mod);
+ int src_id = rsnd_mod_id(src_mod);
+ u32 route[] = {
+ [0] = 0x30000,
+ [1] = 0x30001,
+ [2] = 0x40000,
+ [3] = 0x10000,
+ [4] = 0x20000,
+ [5] = 0x40100
+ };
+
+ if (src_id >= ARRAY_SIZE(route)) {
+ dev_err(dev, "DVC%d isn't connected to SRC%d\n", dvc_id, src_id);
+ return -EINVAL;
+ }
+
+ clk_prepare_enable(dvc->clk);
+
+ /*
+ * fixme
+ * it doesn't support CTU/MIX
+ */
+ rsnd_mod_write(dvc_mod, CMD_ROUTE_SLCT, route[src_id]);
+
+ rsnd_mod_write(dvc_mod, DVC_SWRSR, 0);
+ rsnd_mod_write(dvc_mod, DVC_SWRSR, 1);
+
+ rsnd_mod_write(dvc_mod, DVC_DVUIR, 1);
+
+ rsnd_mod_write(dvc_mod, DVC_ADINR, rsnd_get_adinr(dvc_mod));
+
+ /* enable Volume */
+ rsnd_mod_write(dvc_mod, DVC_DVUCR, 0x100);
+
+ /* ch0/ch1 Volume */
+ rsnd_dvc_volume_update(dvc_mod);
+
+ rsnd_mod_write(dvc_mod, DVC_DVUIR, 0);
+
+ rsnd_mod_write(dvc_mod, DVC_DVUER, 1);
+
+ rsnd_adg_set_cmd_timsel_gen2(rdai, dvc_mod, io);
+
+ return 0;
+}
+
+static int rsnd_dvc_quit(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+
+ clk_disable_unprepare(dvc->clk);
+
+ return 0;
+}
+
+static int rsnd_dvc_start(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ rsnd_mod_write(mod, CMD_CTRL, 0x10);
+
+ return 0;
+}
+
+static int rsnd_dvc_stop(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ rsnd_mod_write(mod, CMD_CTRL, 0);
+
+ return 0;
+}
+
+static int rsnd_dvc_volume_info(struct snd_kcontrol *kctrl,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = RSND_DVC_VOLUME_NUM;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = RSND_DVC_VOLUME_MAX;
+
+ return 0;
+}
+
+static int rsnd_dvc_volume_get(struct snd_kcontrol *kctrl,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rsnd_mod *mod = snd_kcontrol_chip(kctrl);
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+ int i;
+
+ for (i = 0; i < RSND_DVC_VOLUME_NUM; i++)
+ ucontrol->value.integer.value[i] = dvc->volume[i];
+
+ return 0;
+}
+
+static int rsnd_dvc_volume_put(struct snd_kcontrol *kctrl,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rsnd_mod *mod = snd_kcontrol_chip(kctrl);
+ struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+ int i, change = 0;
+
+ for (i = 0; i < RSND_DVC_VOLUME_NUM; i++) {
+ if (ucontrol->value.integer.value[i] < 0 ||
+ ucontrol->value.integer.value[i] > RSND_DVC_VOLUME_MAX)
+ return -EINVAL;
+
+ change |= (ucontrol->value.integer.value[i] != dvc->volume[i]);
+ }
+
+ if (change) {
+ for (i = 0; i < RSND_DVC_VOLUME_NUM; i++)
+ dvc->volume[i] = ucontrol->value.integer.value[i];
+
+ rsnd_dvc_volume_update(mod);
+ }
+
+ return change;
+}
+
+static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct snd_soc_pcm_runtime *rtd)
+{
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_kcontrol *kctrl;
+ static struct snd_kcontrol_new knew = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Playback Volume",
+ .info = rsnd_dvc_volume_info,
+ .get = rsnd_dvc_volume_get,
+ .put = rsnd_dvc_volume_put,
+ };
+ int ret;
+
+ if (!rsnd_dai_is_play(rdai, io)) {
+ dev_err(dev, "DVC%d is connected to Capture DAI\n",
+ rsnd_mod_id(mod));
+ return -EINVAL;
+ }
+
+ kctrl = snd_ctl_new1(&knew, mod);
+ if (!kctrl)
+ return -ENOMEM;
+
+ ret = snd_ctl_add(card, kctrl);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static struct rsnd_mod_ops rsnd_dvc_ops = {
+ .name = DVC_NAME,
+ .probe = rsnd_dvc_probe_gen2,
+ .init = rsnd_dvc_init,
+ .quit = rsnd_dvc_quit,
+ .start = rsnd_dvc_start,
+ .stop = rsnd_dvc_stop,
+ .pcm_new = rsnd_dvc_pcm_new,
+};
+
+struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id)
+{
+ if (WARN_ON(id < 0 || id >= rsnd_dvc_nr(priv)))
+ id = 0;
+
+ return &((struct rsnd_dvc *)(priv->dvc) + id)->mod;
+}
+
+int rsnd_dvc_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_dvc *dvc;
+ struct clk *clk;
+ char name[RSND_DVC_NAME_SIZE];
+ int i, nr;
+
+ nr = info->dvc_info_nr;
+ if (!nr)
+ return 0;
+
+ /* This driver doesn't support Gen1 at this point */
+ if (rsnd_is_gen1(priv)) {
+ dev_warn(dev, "CMD is not supported on Gen1\n");
+ return -EINVAL;
+ }
+
+ dvc = devm_kzalloc(dev, sizeof(*dvc) * nr, GFP_KERNEL);
+ if (!dvc) {
+ dev_err(dev, "CMD allocate failed\n");
+ return -ENOMEM;
+ }
+
+ priv->dvc_nr = nr;
+ priv->dvc = dvc;
+
+ for_each_rsnd_dvc(dvc, priv, i) {
+ snprintf(name, RSND_DVC_NAME_SIZE, "%s.%d",
+ DVC_NAME, i);
+
+ clk = devm_clk_get(dev, name);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ dvc->info = &info->dvc_info[i];
+ dvc->clk = clk;
+
+ rsnd_mod_init(priv, &dvc->mod, &rsnd_dvc_ops, RSND_MOD_DVC, i);
+
+ dev_dbg(dev, "CMD%d probed\n", i);
+ }
+
+ return 0;
+}
diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c
new file mode 100644
index 00000000000..1dd2b7d38c2
--- /dev/null
+++ b/sound/soc/sh/rcar/gen.c
@@ -0,0 +1,508 @@
+/*
+ * Renesas R-Car Gen1 SRU/SSI support
+ *
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include "rsnd.h"
+
+struct rsnd_gen {
+ void __iomem *base[RSND_BASE_MAX];
+
+ struct rsnd_gen_ops *ops;
+
+ struct regmap *regmap;
+ struct regmap_field *regs[RSND_REG_MAX];
+};
+
+#define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen)
+
+#define RSND_REG_SET(gen, id, reg_id, offset, _id_offset, _id_size) \
+ [id] = { \
+ .reg = (unsigned int)gen->base[reg_id] + offset, \
+ .lsb = 0, \
+ .msb = 31, \
+ .id_size = _id_size, \
+ .id_offset = _id_offset, \
+ }
+
+/*
+ * basic function
+ */
+static int rsnd_regmap_write32(void *context, const void *_data, size_t count)
+{
+ struct rsnd_priv *priv = context;
+ struct device *dev = rsnd_priv_to_dev(priv);
+ u32 *data = (u32 *)_data;
+ u32 val = data[1];
+ void __iomem *reg = (void *)data[0];
+
+ iowrite32(val, reg);
+
+ dev_dbg(dev, "w %p : %08x\n", reg, val);
+
+ return 0;
+}
+
+static int rsnd_regmap_read32(void *context,
+ const void *_data, size_t reg_size,
+ void *_val, size_t val_size)
+{
+ struct rsnd_priv *priv = context;
+ struct device *dev = rsnd_priv_to_dev(priv);
+ u32 *data = (u32 *)_data;
+ u32 *val = (u32 *)_val;
+ void __iomem *reg = (void *)data[0];
+
+ *val = ioread32(reg);
+
+ dev_dbg(dev, "r %p : %08x\n", reg, *val);
+
+ return 0;
+}
+
+static struct regmap_bus rsnd_regmap_bus = {
+ .write = rsnd_regmap_write32,
+ .read = rsnd_regmap_read32,
+ .reg_format_endian_default = REGMAP_ENDIAN_NATIVE,
+ .val_format_endian_default = REGMAP_ENDIAN_NATIVE,
+};
+
+static int rsnd_is_accessible_reg(struct rsnd_priv *priv,
+ struct rsnd_gen *gen, enum rsnd_reg reg)
+{
+ if (!gen->regs[reg]) {
+ struct device *dev = rsnd_priv_to_dev(priv);
+
+ dev_err(dev, "unsupported register access %x\n", reg);
+ return 0;
+ }
+
+ return 1;
+}
+
+u32 rsnd_read(struct rsnd_priv *priv,
+ struct rsnd_mod *mod, enum rsnd_reg reg)
+{
+ struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+ u32 val;
+
+ if (!rsnd_is_accessible_reg(priv, gen, reg))
+ return 0;
+
+ regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &val);
+
+ return val;
+}
+
+void rsnd_write(struct rsnd_priv *priv,
+ struct rsnd_mod *mod,
+ enum rsnd_reg reg, u32 data)
+{
+ struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+
+ if (!rsnd_is_accessible_reg(priv, gen, reg))
+ return;
+
+ regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data);
+}
+
+void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod,
+ enum rsnd_reg reg, u32 mask, u32 data)
+{
+ struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+
+ if (!rsnd_is_accessible_reg(priv, gen, reg))
+ return;
+
+ regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod),
+ mask, data);
+}
+
+static int rsnd_gen_regmap_init(struct rsnd_priv *priv,
+ struct rsnd_gen *gen,
+ struct reg_field *regf)
+{
+ int i;
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct regmap_config regc;
+
+ memset(&regc, 0, sizeof(regc));
+ regc.reg_bits = 32;
+ regc.val_bits = 32;
+
+ gen->regmap = devm_regmap_init(dev, &rsnd_regmap_bus, priv, &regc);
+ if (IS_ERR(gen->regmap)) {
+ dev_err(dev, "regmap error %ld\n", PTR_ERR(gen->regmap));
+ return PTR_ERR(gen->regmap);
+ }
+
+ for (i = 0; i < RSND_REG_MAX; i++) {
+ gen->regs[i] = NULL;
+ if (!regf[i].reg)
+ continue;
+
+ gen->regs[i] = devm_regmap_field_alloc(dev, gen->regmap, regf[i]);
+ if (IS_ERR(gen->regs[i]))
+ return PTR_ERR(gen->regs[i]);
+
+ }
+
+ return 0;
+}
+
+/*
+ * DMA read/write register offset
+ *
+ * RSND_xxx_I_N for Audio DMAC input
+ * RSND_xxx_O_N for Audio DMAC output
+ * RSND_xxx_I_P for Audio DMAC peri peri input
+ * RSND_xxx_O_P for Audio DMAC peri peri output
+ *
+ * ex) R-Car H2 case
+ * mod / DMAC in / DMAC out / DMAC PP in / DMAC pp out
+ * SSI : 0xec541000 / 0xec241008 / 0xec24100c / 0xec400000 / 0xec400000
+ * SCU : 0xec500000 / 0xec000000 / 0xec004000 / 0xec300000 / 0xec304000
+ * CMD : 0xec500000 / 0xec008000 0xec308000
+ */
+#define RDMA_SSI_I_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0x8)
+#define RDMA_SSI_O_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0xc)
+
+#define RDMA_SSI_I_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
+#define RDMA_SSI_O_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
+
+#define RDMA_SRC_I_N(addr, i) (addr ##_reg - 0x00500000 + (0x400 * i))
+#define RDMA_SRC_O_N(addr, i) (addr ##_reg - 0x004fc000 + (0x400 * i))
+
+#define RDMA_SRC_I_P(addr, i) (addr ##_reg - 0x00200000 + (0x400 * i))
+#define RDMA_SRC_O_P(addr, i) (addr ##_reg - 0x001fc000 + (0x400 * i))
+
+#define RDMA_CMD_O_N(addr, i) (addr ##_reg - 0x004f8000 + (0x400 * i))
+#define RDMA_CMD_O_P(addr, i) (addr ##_reg - 0x001f8000 + (0x400 * i))
+
+void rsnd_gen_dma_addr(struct rsnd_priv *priv,
+ struct rsnd_dma *dma,
+ struct dma_slave_config *cfg,
+ int is_play, int slave_id)
+{
+ struct platform_device *pdev = rsnd_priv_to_pdev(priv);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ dma_addr_t ssi_reg = platform_get_resource(pdev,
+ IORESOURCE_MEM, RSND_GEN2_SSI)->start;
+ dma_addr_t src_reg = platform_get_resource(pdev,
+ IORESOURCE_MEM, RSND_GEN2_SCU)->start;
+ int is_ssi = !!(rsnd_io_to_mod_ssi(io) == mod);
+ int use_src = !!rsnd_io_to_mod_src(io);
+ int use_dvc = !!rsnd_io_to_mod_dvc(io);
+ int id = rsnd_mod_id(mod);
+ struct dma_addr {
+ dma_addr_t src_addr;
+ dma_addr_t dst_addr;
+ } dma_addrs[2][2][3] = {
+ { /* SRC */
+ /* Capture */
+ {{ 0, 0 },
+ { RDMA_SRC_O_N(src, id), 0 },
+ { RDMA_CMD_O_N(src, id), 0 }},
+ /* Playback */
+ {{ 0, 0, },
+ { 0, RDMA_SRC_I_N(src, id) },
+ { 0, RDMA_SRC_I_N(src, id) }}
+ }, { /* SSI */
+ /* Capture */
+ {{ RDMA_SSI_O_N(ssi, id), 0 },
+ { RDMA_SSI_O_P(ssi, id), RDMA_SRC_I_P(src, id) },
+ { RDMA_SSI_O_P(ssi, id), RDMA_SRC_I_P(src, id) }},
+ /* Playback */
+ {{ 0, RDMA_SSI_I_N(ssi, id) },
+ { RDMA_SRC_O_P(src, id), RDMA_SSI_I_P(ssi, id) },
+ { RDMA_CMD_O_P(src, id), RDMA_SSI_I_P(ssi, id) }}
+ }
+ };
+
+ cfg->slave_id = slave_id;
+ cfg->src_addr = 0;
+ cfg->dst_addr = 0;
+ cfg->direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
+
+ /*
+ * gen1 uses default DMA addr
+ */
+ if (rsnd_is_gen1(priv))
+ return;
+
+ /* it shouldn't happen */
+ if (use_dvc & !use_src) {
+ dev_err(dev, "DVC is selected without SRC\n");
+ return;
+ }
+
+ cfg->src_addr = dma_addrs[is_ssi][is_play][use_src + use_dvc].src_addr;
+ cfg->dst_addr = dma_addrs[is_ssi][is_play][use_src + use_dvc].dst_addr;
+
+ dev_dbg(dev, "dma%d addr - src : %x / dst : %x\n",
+ id, cfg->src_addr, cfg->dst_addr);
+}
+
+/*
+ * Gen2
+ */
+
+/* single address mapping */
+#define RSND_GEN2_S_REG(gen, reg, id, offset) \
+ RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN2_##reg, offset, 0, 10)
+
+/* multi address mapping */
+#define RSND_GEN2_M_REG(gen, reg, id, offset, _id_offset) \
+ RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN2_##reg, offset, _id_offset, 10)
+
+static int rsnd_gen2_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen)
+{
+ struct reg_field regf[RSND_REG_MAX] = {
+ RSND_GEN2_S_REG(gen, SSIU, SSI_MODE0, 0x800),
+ RSND_GEN2_S_REG(gen, SSIU, SSI_MODE1, 0x804),
+ /* FIXME: it needs SSI_MODE2/3 in the future */
+ RSND_GEN2_M_REG(gen, SSIU, SSI_BUSIF_MODE, 0x0, 0x80),
+ RSND_GEN2_M_REG(gen, SSIU, SSI_BUSIF_ADINR,0x4, 0x80),
+ RSND_GEN2_M_REG(gen, SSIU, SSI_CTRL, 0x10, 0x80),
+ RSND_GEN2_M_REG(gen, SSIU, INT_ENABLE, 0x18, 0x80),
+
+ RSND_GEN2_M_REG(gen, SCU, SRC_BUSIF_MODE, 0x0, 0x20),
+ RSND_GEN2_M_REG(gen, SCU, SRC_ROUTE_MODE0,0xc, 0x20),
+ RSND_GEN2_M_REG(gen, SCU, SRC_CTRL, 0x10, 0x20),
+ RSND_GEN2_M_REG(gen, SCU, CMD_ROUTE_SLCT, 0x18c, 0x20),
+ RSND_GEN2_M_REG(gen, SCU, CMD_CTRL, 0x190, 0x20),
+ RSND_GEN2_M_REG(gen, SCU, SRC_SWRSR, 0x200, 0x40),
+ RSND_GEN2_M_REG(gen, SCU, SRC_SRCIR, 0x204, 0x40),
+ RSND_GEN2_M_REG(gen, SCU, SRC_ADINR, 0x214, 0x40),
+ RSND_GEN2_M_REG(gen, SCU, SRC_IFSCR, 0x21c, 0x40),
+ RSND_GEN2_M_REG(gen, SCU, SRC_IFSVR, 0x220, 0x40),
+ RSND_GEN2_M_REG(gen, SCU, SRC_SRCCR, 0x224, 0x40),
+ RSND_GEN2_M_REG(gen, SCU, SRC_BSDSR, 0x22c, 0x40),
+ RSND_GEN2_M_REG(gen, SCU, SRC_BSISR, 0x238, 0x40),
+ RSND_GEN2_M_REG(gen, SCU, DVC_SWRSR, 0xe00, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_DVUIR, 0xe04, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_ADINR, 0xe08, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_DVUCR, 0xe10, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_ZCMCR, 0xe14, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_VOL0R, 0xe28, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_VOL1R, 0xe2c, 0x100),
+ RSND_GEN2_M_REG(gen, SCU, DVC_DVUER, 0xe48, 0x100),
+
+ RSND_GEN2_S_REG(gen, ADG, BRRA, 0x00),
+ RSND_GEN2_S_REG(gen, ADG, BRRB, 0x04),
+ RSND_GEN2_S_REG(gen, ADG, SSICKR, 0x08),
+ RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL0, 0x0c),
+ RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL1, 0x10),
+ RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL2, 0x14),
+ RSND_GEN2_S_REG(gen, ADG, DIV_EN, 0x30),
+ RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL0, 0x34),
+ RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL1, 0x38),
+ RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL2, 0x3c),
+ RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL3, 0x40),
+ RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL4, 0x44),
+ RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL0, 0x48),
+ RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL1, 0x4c),
+ RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL2, 0x50),
+ RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL3, 0x54),
+ RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL4, 0x58),
+ RSND_GEN2_S_REG(gen, ADG, CMDOUT_TIMSEL, 0x5c),
+
+ RSND_GEN2_M_REG(gen, SSI, SSICR, 0x00, 0x40),
+ RSND_GEN2_M_REG(gen, SSI, SSISR, 0x04, 0x40),
+ RSND_GEN2_M_REG(gen, SSI, SSITDR, 0x08, 0x40),
+ RSND_GEN2_M_REG(gen, SSI, SSIRDR, 0x0c, 0x40),
+ RSND_GEN2_M_REG(gen, SSI, SSIWSR, 0x20, 0x40),
+ };
+
+ return rsnd_gen_regmap_init(priv, gen, regf);
+}
+
+static int rsnd_gen2_probe(struct platform_device *pdev,
+ struct rsnd_priv *priv)
+{
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+ struct resource *scu_res;
+ struct resource *adg_res;
+ struct resource *ssiu_res;
+ struct resource *ssi_res;
+ int ret;
+
+ /*
+ * map address
+ */
+ scu_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_SCU);
+ adg_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_ADG);
+ ssiu_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_SSIU);
+ ssi_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_SSI);
+
+ gen->base[RSND_GEN2_SCU] = devm_ioremap_resource(dev, scu_res);
+ gen->base[RSND_GEN2_ADG] = devm_ioremap_resource(dev, adg_res);
+ gen->base[RSND_GEN2_SSIU] = devm_ioremap_resource(dev, ssiu_res);
+ gen->base[RSND_GEN2_SSI] = devm_ioremap_resource(dev, ssi_res);
+ if (IS_ERR(gen->base[RSND_GEN2_SCU]) ||
+ IS_ERR(gen->base[RSND_GEN2_ADG]) ||
+ IS_ERR(gen->base[RSND_GEN2_SSIU]) ||
+ IS_ERR(gen->base[RSND_GEN2_SSI]))
+ return -ENODEV;
+
+ ret = rsnd_gen2_regmap_init(priv, gen);
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(dev, "Gen2 device probed\n");
+ dev_dbg(dev, "SCU : %pap => %p\n", &scu_res->start,
+ gen->base[RSND_GEN2_SCU]);
+ dev_dbg(dev, "ADG : %pap => %p\n", &adg_res->start,
+ gen->base[RSND_GEN2_ADG]);
+ dev_dbg(dev, "SSIU : %pap => %p\n", &ssiu_res->start,
+ gen->base[RSND_GEN2_SSIU]);
+ dev_dbg(dev, "SSI : %pap => %p\n", &ssi_res->start,
+ gen->base[RSND_GEN2_SSI]);
+
+ return 0;
+}
+
+/*
+ * Gen1
+ */
+
+/* single address mapping */
+#define RSND_GEN1_S_REG(gen, reg, id, offset) \
+ RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN1_##reg, offset, 0, 9)
+
+/* multi address mapping */
+#define RSND_GEN1_M_REG(gen, reg, id, offset, _id_offset) \
+ RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN1_##reg, offset, _id_offset, 9)
+
+static int rsnd_gen1_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen)
+{
+ struct reg_field regf[RSND_REG_MAX] = {
+ RSND_GEN1_S_REG(gen, SRU, SRC_ROUTE_SEL, 0x00),
+ RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL0, 0x08),
+ RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL1, 0x0c),
+ RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL2, 0x10),
+ RSND_GEN1_S_REG(gen, SRU, SRC_ROUTE_CTRL, 0xc0),
+ RSND_GEN1_S_REG(gen, SRU, SSI_MODE0, 0xD0),
+ RSND_GEN1_S_REG(gen, SRU, SSI_MODE1, 0xD4),
+ RSND_GEN1_M_REG(gen, SRU, SRC_BUSIF_MODE, 0x20, 0x4),
+ RSND_GEN1_M_REG(gen, SRU, SRC_ROUTE_MODE0,0x50, 0x8),
+ RSND_GEN1_M_REG(gen, SRU, SRC_SWRSR, 0x200, 0x40),
+ RSND_GEN1_M_REG(gen, SRU, SRC_SRCIR, 0x204, 0x40),
+ RSND_GEN1_M_REG(gen, SRU, SRC_ADINR, 0x214, 0x40),
+ RSND_GEN1_M_REG(gen, SRU, SRC_IFSCR, 0x21c, 0x40),
+ RSND_GEN1_M_REG(gen, SRU, SRC_IFSVR, 0x220, 0x40),
+ RSND_GEN1_M_REG(gen, SRU, SRC_SRCCR, 0x224, 0x40),
+ RSND_GEN1_M_REG(gen, SRU, SRC_MNFSR, 0x228, 0x40),
+
+ RSND_GEN1_S_REG(gen, ADG, BRRA, 0x00),
+ RSND_GEN1_S_REG(gen, ADG, BRRB, 0x04),
+ RSND_GEN1_S_REG(gen, ADG, SSICKR, 0x08),
+ RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL0, 0x0c),
+ RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL1, 0x10),
+ RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL3, 0x18),
+ RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL4, 0x1c),
+ RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL5, 0x20),
+
+ RSND_GEN1_M_REG(gen, SSI, SSICR, 0x00, 0x40),
+ RSND_GEN1_M_REG(gen, SSI, SSISR, 0x04, 0x40),
+ RSND_GEN1_M_REG(gen, SSI, SSITDR, 0x08, 0x40),
+ RSND_GEN1_M_REG(gen, SSI, SSIRDR, 0x0c, 0x40),
+ RSND_GEN1_M_REG(gen, SSI, SSIWSR, 0x20, 0x40),
+ };
+
+ return rsnd_gen_regmap_init(priv, gen, regf);
+}
+
+static int rsnd_gen1_probe(struct platform_device *pdev,
+ struct rsnd_priv *priv)
+{
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+ struct resource *sru_res;
+ struct resource *adg_res;
+ struct resource *ssi_res;
+ int ret;
+
+ /*
+ * map address
+ */
+ sru_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_SRU);
+ adg_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_ADG);
+ ssi_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_SSI);
+
+ gen->base[RSND_GEN1_SRU] = devm_ioremap_resource(dev, sru_res);
+ gen->base[RSND_GEN1_ADG] = devm_ioremap_resource(dev, adg_res);
+ gen->base[RSND_GEN1_SSI] = devm_ioremap_resource(dev, ssi_res);
+ if (IS_ERR(gen->base[RSND_GEN1_SRU]) ||
+ IS_ERR(gen->base[RSND_GEN1_ADG]) ||
+ IS_ERR(gen->base[RSND_GEN1_SSI]))
+ return -ENODEV;
+
+ ret = rsnd_gen1_regmap_init(priv, gen);
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(dev, "Gen1 device probed\n");
+ dev_dbg(dev, "SRU : %pap => %p\n", &sru_res->start,
+ gen->base[RSND_GEN1_SRU]);
+ dev_dbg(dev, "ADG : %pap => %p\n", &adg_res->start,
+ gen->base[RSND_GEN1_ADG]);
+ dev_dbg(dev, "SSI : %pap => %p\n", &ssi_res->start,
+ gen->base[RSND_GEN1_SSI]);
+
+ return 0;
+
+}
+
+/*
+ * Gen
+ */
+static void rsnd_of_parse_gen(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct rcar_snd_info *info = priv->info;
+
+ if (!of_data)
+ return;
+
+ info->flags = of_data->flags;
+}
+
+int rsnd_gen_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_gen *gen;
+ int ret;
+
+ rsnd_of_parse_gen(pdev, of_data, priv);
+
+ gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
+ if (!gen) {
+ dev_err(dev, "GEN allocate failed\n");
+ return -ENOMEM;
+ }
+
+ priv->gen = gen;
+
+ ret = -ENODEV;
+ if (rsnd_is_gen1(priv))
+ ret = rsnd_gen1_probe(pdev, priv);
+ else if (rsnd_is_gen2(priv))
+ ret = rsnd_gen2_probe(pdev, priv);
+
+ if (ret < 0)
+ dev_err(dev, "unknown generation R-Car sound device\n");
+
+ return ret;
+}
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
new file mode 100644
index 00000000000..39d98af5ee0
--- /dev/null
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -0,0 +1,423 @@
+/*
+ * Renesas R-Car
+ *
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef RSND_H
+#define RSND_H
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/io.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+#include <linux/sh_dma.h>
+#include <linux/workqueue.h>
+#include <sound/rcar_snd.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+/*
+ * pseudo register
+ *
+ * The register address offsets SRU/SCU/SSIU on Gen1/Gen2 are very different.
+ * This driver uses pseudo register in order to hide it.
+ * see gen1/gen2 for detail
+ */
+enum rsnd_reg {
+ /* SRU/SCU/SSIU */
+ RSND_REG_SSI_MODE0,
+ RSND_REG_SSI_MODE1,
+ RSND_REG_SRC_BUSIF_MODE,
+ RSND_REG_SRC_ROUTE_MODE0,
+ RSND_REG_SRC_SWRSR,
+ RSND_REG_SRC_SRCIR,
+ RSND_REG_SRC_ADINR,
+ RSND_REG_SRC_IFSCR,
+ RSND_REG_SRC_IFSVR,
+ RSND_REG_SRC_SRCCR,
+ RSND_REG_CMD_ROUTE_SLCT,
+ RSND_REG_DVC_SWRSR,
+ RSND_REG_DVC_DVUIR,
+ RSND_REG_DVC_ADINR,
+ RSND_REG_DVC_DVUCR,
+ RSND_REG_DVC_ZCMCR,
+ RSND_REG_DVC_VOL0R,
+ RSND_REG_DVC_VOL1R,
+ RSND_REG_DVC_DVUER,
+
+ /* ADG */
+ RSND_REG_BRRA,
+ RSND_REG_BRRB,
+ RSND_REG_SSICKR,
+ RSND_REG_AUDIO_CLK_SEL0,
+ RSND_REG_AUDIO_CLK_SEL1,
+
+ /* SSI */
+ RSND_REG_SSICR,
+ RSND_REG_SSISR,
+ RSND_REG_SSITDR,
+ RSND_REG_SSIRDR,
+ RSND_REG_SSIWSR,
+
+ /* SHARE see below */
+ RSND_REG_SHARE01,
+ RSND_REG_SHARE02,
+ RSND_REG_SHARE03,
+ RSND_REG_SHARE04,
+ RSND_REG_SHARE05,
+ RSND_REG_SHARE06,
+ RSND_REG_SHARE07,
+ RSND_REG_SHARE08,
+ RSND_REG_SHARE09,
+ RSND_REG_SHARE10,
+ RSND_REG_SHARE11,
+ RSND_REG_SHARE12,
+ RSND_REG_SHARE13,
+ RSND_REG_SHARE14,
+ RSND_REG_SHARE15,
+ RSND_REG_SHARE16,
+ RSND_REG_SHARE17,
+ RSND_REG_SHARE18,
+ RSND_REG_SHARE19,
+ RSND_REG_SHARE20,
+ RSND_REG_SHARE21,
+
+ RSND_REG_MAX,
+};
+
+/* Gen1 only */
+#define RSND_REG_SRC_ROUTE_SEL RSND_REG_SHARE01
+#define RSND_REG_SRC_TMG_SEL0 RSND_REG_SHARE02
+#define RSND_REG_SRC_TMG_SEL1 RSND_REG_SHARE03
+#define RSND_REG_SRC_TMG_SEL2 RSND_REG_SHARE04
+#define RSND_REG_SRC_ROUTE_CTRL RSND_REG_SHARE05
+#define RSND_REG_SRC_MNFSR RSND_REG_SHARE06
+#define RSND_REG_AUDIO_CLK_SEL3 RSND_REG_SHARE07
+#define RSND_REG_AUDIO_CLK_SEL4 RSND_REG_SHARE08
+#define RSND_REG_AUDIO_CLK_SEL5 RSND_REG_SHARE09
+
+/* Gen2 only */
+#define RSND_REG_SRC_CTRL RSND_REG_SHARE01
+#define RSND_REG_SSI_CTRL RSND_REG_SHARE02
+#define RSND_REG_SSI_BUSIF_MODE RSND_REG_SHARE03
+#define RSND_REG_SSI_BUSIF_ADINR RSND_REG_SHARE04
+#define RSND_REG_INT_ENABLE RSND_REG_SHARE05
+#define RSND_REG_SRC_BSDSR RSND_REG_SHARE06
+#define RSND_REG_SRC_BSISR RSND_REG_SHARE07
+#define RSND_REG_DIV_EN RSND_REG_SHARE08
+#define RSND_REG_SRCIN_TIMSEL0 RSND_REG_SHARE09
+#define RSND_REG_SRCIN_TIMSEL1 RSND_REG_SHARE10
+#define RSND_REG_SRCIN_TIMSEL2 RSND_REG_SHARE11
+#define RSND_REG_SRCIN_TIMSEL3 RSND_REG_SHARE12
+#define RSND_REG_SRCIN_TIMSEL4 RSND_REG_SHARE13
+#define RSND_REG_SRCOUT_TIMSEL0 RSND_REG_SHARE14
+#define RSND_REG_SRCOUT_TIMSEL1 RSND_REG_SHARE15
+#define RSND_REG_SRCOUT_TIMSEL2 RSND_REG_SHARE16
+#define RSND_REG_SRCOUT_TIMSEL3 RSND_REG_SHARE17
+#define RSND_REG_SRCOUT_TIMSEL4 RSND_REG_SHARE18
+#define RSND_REG_AUDIO_CLK_SEL2 RSND_REG_SHARE19
+#define RSND_REG_CMD_CTRL RSND_REG_SHARE20
+#define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21
+
+struct rsnd_of_data;
+struct rsnd_priv;
+struct rsnd_mod;
+struct rsnd_dai;
+struct rsnd_dai_stream;
+
+/*
+ * R-Car basic functions
+ */
+#define rsnd_mod_read(m, r) \
+ rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
+#define rsnd_mod_write(m, r, d) \
+ rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
+#define rsnd_mod_bset(m, r, s, d) \
+ rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)
+
+u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg);
+void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
+ enum rsnd_reg reg, u32 data);
+void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg,
+ u32 mask, u32 data);
+u32 rsnd_get_adinr(struct rsnd_mod *mod);
+
+/*
+ * R-Car DMA
+ */
+struct rsnd_dma {
+ struct sh_dmae_slave slave;
+ struct work_struct work;
+ struct dma_chan *chan;
+ enum dma_data_direction dir;
+
+ int submit_loop;
+ int offset; /* it cares A/B plane */
+};
+
+void rsnd_dma_start(struct rsnd_dma *dma);
+void rsnd_dma_stop(struct rsnd_dma *dma);
+int rsnd_dma_available(struct rsnd_dma *dma);
+int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
+ int is_play, int id);
+void rsnd_dma_quit(struct rsnd_priv *priv,
+ struct rsnd_dma *dma);
+
+
+/*
+ * R-Car sound mod
+ */
+enum rsnd_mod_type {
+ RSND_MOD_SRC = 0,
+ RSND_MOD_SSI,
+ RSND_MOD_DVC,
+ RSND_MOD_MAX,
+};
+
+struct rsnd_mod_ops {
+ char *name;
+ int (*probe)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*remove)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*init)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*quit)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*start)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*stop)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*pcm_new)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct snd_soc_pcm_runtime *rtd);
+};
+
+struct rsnd_dai_stream;
+struct rsnd_mod {
+ int id;
+ enum rsnd_mod_type type;
+ struct rsnd_priv *priv;
+ struct rsnd_mod_ops *ops;
+ struct rsnd_dma dma;
+ struct rsnd_dai_stream *io;
+};
+
+#define rsnd_mod_to_priv(mod) ((mod)->priv)
+#define rsnd_mod_to_dma(mod) (&(mod)->dma)
+#define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma)
+#define rsnd_mod_to_io(mod) ((mod)->io)
+#define rsnd_mod_id(mod) ((mod)->id)
+
+void rsnd_mod_init(struct rsnd_priv *priv,
+ struct rsnd_mod *mod,
+ struct rsnd_mod_ops *ops,
+ enum rsnd_mod_type type,
+ int id);
+char *rsnd_mod_name(struct rsnd_mod *mod);
+
+/*
+ * R-Car sound DAI
+ */
+#define RSND_DAI_NAME_SIZE 16
+struct rsnd_dai_stream {
+ struct snd_pcm_substream *substream;
+ struct rsnd_mod *mod[RSND_MOD_MAX];
+ struct rsnd_dai_path_info *info; /* rcar_snd.h */
+ int byte_pos;
+ int period_pos;
+ int byte_per_period;
+ int next_period_byte;
+};
+#define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI])
+#define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC])
+#define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC])
+
+struct rsnd_dai {
+ char name[RSND_DAI_NAME_SIZE];
+ struct rsnd_dai_platform_info *info; /* rcar_snd.h */
+ struct rsnd_dai_stream playback;
+ struct rsnd_dai_stream capture;
+
+ unsigned int clk_master:1;
+ unsigned int bit_clk_inv:1;
+ unsigned int frm_clk_inv:1;
+ unsigned int sys_delay:1;
+ unsigned int data_alignment:1;
+};
+
+#define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
+#define for_each_rsnd_dai(rdai, priv, i) \
+ for (i = 0; \
+ (i < rsnd_rdai_nr(priv)) && \
+ ((rdai) = rsnd_dai_get(priv, i)); \
+ i++)
+
+struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id);
+int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io);
+int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai);
+#define rsnd_dai_get_platform_info(rdai) ((rdai)->info)
+#define rsnd_io_to_runtime(io) ((io)->substream->runtime)
+
+void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
+int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
+#define rsnd_dai_is_clk_master(rdai) ((rdai)->clk_master)
+
+/*
+ * R-Car Gen1/Gen2
+ */
+int rsnd_gen_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv);
+void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
+ struct rsnd_mod *mod,
+ enum rsnd_reg reg);
+void rsnd_gen_dma_addr(struct rsnd_priv *priv,
+ struct rsnd_dma *dma,
+ struct dma_slave_config *cfg,
+ int is_play, int slave_id);
+
+#define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
+#define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)
+
+/*
+ * R-Car ADG
+ */
+int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
+int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
+int rsnd_adg_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv);
+int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
+ struct rsnd_mod *mod,
+ unsigned int src_rate,
+ unsigned int dst_rate);
+int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io,
+ unsigned int src_rate,
+ unsigned int dst_rate);
+int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io);
+int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai,
+ struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io);
+
+/*
+ * R-Car sound priv
+ */
+struct rsnd_of_data {
+ u32 flags;
+};
+
+struct rsnd_priv {
+
+ struct platform_device *pdev;
+ struct rcar_snd_info *info;
+ spinlock_t lock;
+
+ /*
+ * below value will be filled on rsnd_gen_probe()
+ */
+ void *gen;
+
+ /*
+ * below value will be filled on rsnd_src_probe()
+ */
+ void *src;
+ int src_nr;
+
+ /*
+ * below value will be filled on rsnd_adg_probe()
+ */
+ void *adg;
+
+ /*
+ * below value will be filled on rsnd_ssi_probe()
+ */
+ void *ssi;
+ int ssi_nr;
+
+ /*
+ * below value will be filled on rsnd_dvc_probe()
+ */
+ void *dvc;
+ int dvc_nr;
+
+ /*
+ * below value will be filled on rsnd_dai_probe()
+ */
+ struct snd_soc_dai_driver *daidrv;
+ struct rsnd_dai *rdai;
+ int rdai_nr;
+};
+
+#define rsnd_priv_to_pdev(priv) ((priv)->pdev)
+#define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(priv)->dev))
+#define rsnd_priv_to_info(priv) ((priv)->info)
+#define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
+#define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)
+
+#define rsnd_info_is_playback(priv, type) \
+({ \
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv); \
+ int i, is_play = 0; \
+ for (i = 0; i < info->dai_info_nr; i++) { \
+ if (info->dai_info[i].playback.type == (type)->info) { \
+ is_play = 1; \
+ break; \
+ } \
+ } \
+ is_play; \
+})
+
+/*
+ * R-Car SRC
+ */
+int rsnd_src_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv);
+struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
+unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
+ struct rsnd_dai_stream *io,
+ struct snd_pcm_runtime *runtime);
+int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod,
+ struct rsnd_dai *rdai);
+int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod,
+ struct rsnd_dai *rdai);
+
+#define rsnd_src_nr(priv) ((priv)->src_nr)
+
+/*
+ * R-Car SSI
+ */
+int rsnd_ssi_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv);
+struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
+int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
+
+/*
+ * R-Car DVC
+ */
+int rsnd_dvc_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv);
+void rsnd_dvc_remove(struct platform_device *pdev,
+ struct rsnd_priv *priv);
+struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
+
+#define rsnd_dvc_nr(priv) ((priv)->dvc_nr)
+
+
+#endif
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
new file mode 100644
index 00000000000..200eda019bc
--- /dev/null
+++ b/sound/soc/sh/rcar/src.c
@@ -0,0 +1,687 @@
+/*
+ * Renesas R-Car SRC support
+ *
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include "rsnd.h"
+
+#define SRC_NAME "src"
+
+struct rsnd_src {
+ struct rsnd_src_platform_info *info; /* rcar_snd.h */
+ struct rsnd_mod mod;
+ struct clk *clk;
+};
+
+#define RSND_SRC_NAME_SIZE 16
+
+#define rsnd_src_convert_rate(p) ((p)->info->convert_rate)
+#define rsnd_mod_to_src(_mod) \
+ container_of((_mod), struct rsnd_src, mod)
+#define rsnd_src_dma_available(src) \
+ rsnd_dma_available(rsnd_mod_to_dma(&(src)->mod))
+
+#define for_each_rsnd_src(pos, priv, i) \
+ for ((i) = 0; \
+ ((i) < rsnd_src_nr(priv)) && \
+ ((pos) = (struct rsnd_src *)(priv)->src + i); \
+ i++)
+
+
+/*
+ * image of SRC (Sampling Rate Converter)
+ *
+ * 96kHz <-> +-----+ 48kHz +-----+ 48kHz +-------+
+ * 48kHz <-> | SRC | <------> | SSI | <-----> | codec |
+ * 44.1kHz <-> +-----+ +-----+ +-------+
+ * ...
+ *
+ */
+
+/*
+ * src.c is caring...
+ *
+ * Gen1
+ *
+ * [mem] -> [SRU] -> [SSI]
+ * |--------|
+ *
+ * Gen2
+ *
+ * [mem] -> [SRC] -> [SSIU] -> [SSI]
+ * |-----------------|
+ */
+
+/*
+ * How to use SRC bypass mode for debugging
+ *
+ * SRC has bypass mode, and it is useful for debugging.
+ * In Gen2 case,
+ * SRCm_MODE controls whether SRC is used or not
+ * SSI_MODE0 controls whether SSIU which receives SRC data
+ * is used or not.
+ * Both SRCm_MODE/SSI_MODE0 settings are needed if you use SRC,
+ * but SRC bypass mode needs SSI_MODE0 only.
+ *
+ * This driver request
+ * struct rsnd_src_platform_info {
+ * u32 convert_rate;
+ * int dma_id;
+ * }
+ *
+ * rsnd_src_convert_rate() indicates
+ * above convert_rate, and it controls
+ * whether SRC is used or not.
+ *
+ * ex) doesn't use SRC
+ * static struct rsnd_dai_platform_info rsnd_dai = {
+ * .playback = { .ssi = &rsnd_ssi[0], },
+ * };
+ *
+ * ex) uses SRC
+ * static struct rsnd_src_platform_info rsnd_src[] = {
+ * RSND_SCU(48000, 0),
+ * ...
+ * };
+ * static struct rsnd_dai_platform_info rsnd_dai = {
+ * .playback = { .ssi = &rsnd_ssi[0], .src = &rsnd_src[0] },
+ * };
+ *
+ * ex) uses SRC bypass mode
+ * static struct rsnd_src_platform_info rsnd_src[] = {
+ * RSND_SCU(0, 0),
+ * ...
+ * };
+ * static struct rsnd_dai_platform_info rsnd_dai = {
+ * .playback = { .ssi = &rsnd_ssi[0], .src = &rsnd_src[0] },
+ * };
+ *
+ */
+
+/*
+ * Gen1/Gen2 common functions
+ */
+int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(ssi_mod);
+ struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
+ int ssi_id = rsnd_mod_id(ssi_mod);
+
+ /*
+ * SSI_MODE0
+ */
+ rsnd_mod_bset(ssi_mod, SSI_MODE0, (1 << ssi_id),
+ src_mod ? 0 : (1 << ssi_id));
+
+ /*
+ * SSI_MODE1
+ */
+ if (rsnd_ssi_is_pin_sharing(ssi_mod)) {
+ int shift = -1;
+ switch (ssi_id) {
+ case 1:
+ shift = 0;
+ break;
+ case 2:
+ shift = 2;
+ break;
+ case 4:
+ shift = 16;
+ break;
+ }
+
+ if (shift >= 0)
+ rsnd_mod_bset(ssi_mod, SSI_MODE1,
+ 0x3 << shift,
+ rsnd_dai_is_clk_master(rdai) ?
+ 0x2 << shift : 0x1 << shift);
+ }
+
+ return 0;
+}
+
+int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
+
+ /* enable PIO interrupt if Gen2 */
+ if (rsnd_is_gen2(priv))
+ rsnd_mod_write(ssi_mod, INT_ENABLE, 0x0f000000);
+
+ return 0;
+}
+
+unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
+ struct rsnd_dai_stream *io,
+ struct snd_pcm_runtime *runtime)
+{
+ struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
+ struct rsnd_src *src;
+ unsigned int rate = 0;
+
+ if (src_mod) {
+ src = rsnd_mod_to_src(src_mod);
+
+ /*
+ * return convert rate if SRC is used,
+ * otherwise, return runtime->rate as usual
+ */
+ rate = rsnd_src_convert_rate(src);
+ }
+
+ if (!rate)
+ rate = runtime->rate;
+
+ return rate;
+}
+
+static int rsnd_src_set_convert_rate(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 convert_rate = rsnd_src_convert_rate(src);
+ u32 fsrate = 0;
+
+ if (convert_rate)
+ fsrate = 0x0400000 / convert_rate * runtime->rate;
+
+ /* set/clear soft reset */
+ rsnd_mod_write(mod, SRC_SWRSR, 0);
+ rsnd_mod_write(mod, SRC_SWRSR, 1);
+
+ /*
+ * Initialize the operation of the SRC internal circuits
+ * see rsnd_src_start()
+ */
+ rsnd_mod_write(mod, SRC_SRCIR, 1);
+
+ /* Set channel number and output bit length */
+ rsnd_mod_write(mod, SRC_ADINR, rsnd_get_adinr(mod));
+
+ /* Enable the initial value of IFS */
+ if (fsrate) {
+ rsnd_mod_write(mod, SRC_IFSCR, 1);
+
+ /* Set initial value of IFS */
+ rsnd_mod_write(mod, SRC_IFSVR, fsrate);
+ }
+
+ /* use DMA transfer */
+ rsnd_mod_write(mod, SRC_BUSIF_MODE, 1);
+
+ return 0;
+}
+
+static int rsnd_src_init(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ clk_prepare_enable(src->clk);
+
+ return 0;
+}
+
+static int rsnd_src_quit(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ clk_disable_unprepare(src->clk);
+
+ return 0;
+}
+
+static int rsnd_src_start(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ /*
+ * Cancel the initialization and operate the SRC function
+ * see rsnd_src_set_convert_rate()
+ */
+ rsnd_mod_write(mod, SRC_SRCIR, 0);
+
+ if (rsnd_src_convert_rate(src))
+ rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1);
+
+ return 0;
+}
+
+
+static int rsnd_src_stop(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ if (rsnd_src_convert_rate(src))
+ rsnd_mod_write(mod, SRC_ROUTE_MODE0, 0);
+
+ return 0;
+}
+
+/*
+ * Gen1 functions
+ */
+static int rsnd_src_set_route_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct src_route_config {
+ u32 mask;
+ int shift;
+ } routes[] = {
+ { 0xF, 0, }, /* 0 */
+ { 0xF, 4, }, /* 1 */
+ { 0xF, 8, }, /* 2 */
+ { 0x7, 12, }, /* 3 */
+ { 0x7, 16, }, /* 4 */
+ { 0x7, 20, }, /* 5 */
+ { 0x7, 24, }, /* 6 */
+ { 0x3, 28, }, /* 7 */
+ { 0x3, 30, }, /* 8 */
+ };
+ u32 mask;
+ u32 val;
+ int id;
+
+ id = rsnd_mod_id(mod);
+ if (id < 0 || id >= ARRAY_SIZE(routes))
+ return -EIO;
+
+ /*
+ * SRC_ROUTE_SELECT
+ */
+ val = rsnd_dai_is_play(rdai, io) ? 0x1 : 0x2;
+ val = val << routes[id].shift;
+ mask = routes[id].mask << routes[id].shift;
+
+ rsnd_mod_bset(mod, SRC_ROUTE_SEL, mask, val);
+
+ return 0;
+}
+
+static int rsnd_src_set_convert_timing_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+ u32 convert_rate = rsnd_src_convert_rate(src);
+ u32 mask;
+ u32 val;
+ int shift;
+ int id = rsnd_mod_id(mod);
+ int ret;
+
+ /*
+ * SRC_TIMING_SELECT
+ */
+ shift = (id % 4) * 8;
+ mask = 0x1F << shift;
+
+ /*
+ * ADG is used as source clock if SRC was used,
+ * then, SSI WS is used as destination clock.
+ * SSI WS is used as source clock if SRC is not used
+ * (when playback, source/destination become reverse when capture)
+ */
+ ret = 0;
+ if (convert_rate) {
+ /* use ADG */
+ val = 0;
+ ret = rsnd_adg_set_convert_clk_gen1(priv, mod,
+ runtime->rate,
+ convert_rate);
+ } else if (8 == id) {
+ /* use SSI WS, but SRU8 is special */
+ val = id << shift;
+ } else {
+ /* use SSI WS */
+ val = (id + 1) << shift;
+ }
+
+ if (ret < 0)
+ return ret;
+
+ switch (id / 4) {
+ case 0:
+ rsnd_mod_bset(mod, SRC_TMG_SEL0, mask, val);
+ break;
+ case 1:
+ rsnd_mod_bset(mod, SRC_TMG_SEL1, mask, val);
+ break;
+ case 2:
+ rsnd_mod_bset(mod, SRC_TMG_SEL2, mask, val);
+ break;
+ }
+
+ return 0;
+}
+
+static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ int ret;
+
+ ret = rsnd_src_set_convert_rate(mod, rdai);
+ if (ret < 0)
+ return ret;
+
+ /* Select SRC mode (fixed value) */
+ rsnd_mod_write(mod, SRC_SRCCR, 0x00010110);
+
+ /* Set the restriction value of the FS ratio (98%) */
+ rsnd_mod_write(mod, SRC_MNFSR,
+ rsnd_mod_read(mod, SRC_IFSVR) / 100 * 98);
+
+ /* no SRC_BFSSR settings, since SRC_SRCCR::BUFMD is 0 */
+
+ return 0;
+}
+
+static int rsnd_src_probe_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+
+ dev_dbg(dev, "%s (Gen1) is probed\n", rsnd_mod_name(mod));
+
+ return 0;
+}
+
+static int rsnd_src_init_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ int ret;
+
+ ret = rsnd_src_init(mod, rdai);
+ if (ret < 0)
+ return ret;
+
+ ret = rsnd_src_set_route_gen1(mod, rdai);
+ if (ret < 0)
+ return ret;
+
+ ret = rsnd_src_set_convert_rate_gen1(mod, rdai);
+ if (ret < 0)
+ return ret;
+
+ ret = rsnd_src_set_convert_timing_gen1(mod, rdai);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int rsnd_src_start_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ int id = rsnd_mod_id(mod);
+
+ rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), (1 << id));
+
+ return rsnd_src_start(mod, rdai);
+}
+
+static int rsnd_src_stop_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ int id = rsnd_mod_id(mod);
+
+ rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), 0);
+
+ return rsnd_src_stop(mod, rdai);
+}
+
+static struct rsnd_mod_ops rsnd_src_gen1_ops = {
+ .name = SRC_NAME,
+ .probe = rsnd_src_probe_gen1,
+ .init = rsnd_src_init_gen1,
+ .quit = rsnd_src_quit,
+ .start = rsnd_src_start_gen1,
+ .stop = rsnd_src_stop_gen1,
+};
+
+/*
+ * Gen2 functions
+ */
+static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ int ret;
+
+ ret = rsnd_src_set_convert_rate(mod, rdai);
+ if (ret < 0)
+ return ret;
+
+ rsnd_mod_write(mod, SSI_BUSIF_ADINR, rsnd_get_adinr(mod));
+ rsnd_mod_write(mod, SSI_BUSIF_MODE, 1);
+
+ rsnd_mod_write(mod, SRC_SRCCR, 0x00011110);
+
+ rsnd_mod_write(mod, SRC_BSDSR, 0x01800000);
+ rsnd_mod_write(mod, SRC_BSISR, 0x00100060);
+
+ return 0;
+}
+
+static int rsnd_src_set_convert_timing_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 convert_rate = rsnd_src_convert_rate(src);
+ int ret;
+
+ if (convert_rate)
+ ret = rsnd_adg_set_convert_clk_gen2(mod, rdai, io,
+ runtime->rate,
+ convert_rate);
+ else
+ ret = rsnd_adg_set_convert_timing_gen2(mod, rdai, io);
+
+ return ret;
+}
+
+static int rsnd_src_probe_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ int ret;
+
+ ret = rsnd_dma_init(priv,
+ rsnd_mod_to_dma(mod),
+ rsnd_info_is_playback(priv, src),
+ src->info->dma_id);
+ if (ret < 0)
+ dev_err(dev, "SRC DMA failed\n");
+
+ dev_dbg(dev, "%s (Gen2) is probed\n", rsnd_mod_name(mod));
+
+ return ret;
+}
+
+static int rsnd_src_remove_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ rsnd_dma_quit(rsnd_mod_to_priv(mod), rsnd_mod_to_dma(mod));
+
+ return 0;
+}
+
+static int rsnd_src_init_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ int ret;
+
+ ret = rsnd_src_init(mod, rdai);
+ if (ret < 0)
+ return ret;
+
+ ret = rsnd_src_set_convert_rate_gen2(mod, rdai);
+ if (ret < 0)
+ return ret;
+
+ ret = rsnd_src_set_convert_timing_gen2(mod, rdai);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int rsnd_src_start_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 val = rsnd_io_to_mod_dvc(io) ? 0x01 : 0x11;
+
+ rsnd_dma_start(rsnd_mod_to_dma(&src->mod));
+
+ rsnd_mod_write(mod, SSI_CTRL, 0x1);
+ rsnd_mod_write(mod, SRC_CTRL, val);
+
+ return rsnd_src_start(mod, rdai);
+}
+
+static int rsnd_src_stop_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ rsnd_mod_write(mod, SSI_CTRL, 0);
+ rsnd_mod_write(mod, SRC_CTRL, 0);
+
+ rsnd_dma_stop(rsnd_mod_to_dma(&src->mod));
+
+ return rsnd_src_stop(mod, rdai);
+}
+
+static struct rsnd_mod_ops rsnd_src_gen2_ops = {
+ .name = SRC_NAME,
+ .probe = rsnd_src_probe_gen2,
+ .remove = rsnd_src_remove_gen2,
+ .init = rsnd_src_init_gen2,
+ .quit = rsnd_src_quit,
+ .start = rsnd_src_start_gen2,
+ .stop = rsnd_src_stop_gen2,
+};
+
+struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id)
+{
+ if (WARN_ON(id < 0 || id >= rsnd_src_nr(priv)))
+ id = 0;
+
+ return &((struct rsnd_src *)(priv->src) + id)->mod;
+}
+
+static void rsnd_of_parse_src(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct device_node *src_node;
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct rsnd_src_platform_info *src_info;
+ struct device *dev = &pdev->dev;
+ int nr;
+
+ if (!of_data)
+ return;
+
+ src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src");
+ if (!src_node)
+ return;
+
+ nr = of_get_child_count(src_node);
+ if (!nr)
+ goto rsnd_of_parse_src_end;
+
+ src_info = devm_kzalloc(dev,
+ sizeof(struct rsnd_src_platform_info) * nr,
+ GFP_KERNEL);
+ if (!src_info) {
+ dev_err(dev, "src info allocation error\n");
+ goto rsnd_of_parse_src_end;
+ }
+
+ info->src_info = src_info;
+ info->src_info_nr = nr;
+
+rsnd_of_parse_src_end:
+ of_node_put(src_node);
+}
+
+int rsnd_src_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_src *src;
+ struct rsnd_mod_ops *ops;
+ struct clk *clk;
+ char name[RSND_SRC_NAME_SIZE];
+ int i, nr;
+
+ ops = NULL;
+ if (rsnd_is_gen1(priv))
+ ops = &rsnd_src_gen1_ops;
+ if (rsnd_is_gen2(priv))
+ ops = &rsnd_src_gen2_ops;
+ if (!ops) {
+ dev_err(dev, "unknown Generation\n");
+ return -EIO;
+ }
+
+ rsnd_of_parse_src(pdev, of_data, priv);
+
+ /*
+ * init SRC
+ */
+ nr = info->src_info_nr;
+ if (!nr)
+ return 0;
+
+ src = devm_kzalloc(dev, sizeof(*src) * nr, GFP_KERNEL);
+ if (!src) {
+ dev_err(dev, "SRC allocate failed\n");
+ return -ENOMEM;
+ }
+
+ priv->src_nr = nr;
+ priv->src = src;
+
+ for_each_rsnd_src(src, priv, i) {
+ snprintf(name, RSND_SRC_NAME_SIZE, "%s.%d",
+ SRC_NAME, i);
+
+ clk = devm_clk_get(dev, name);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ src->info = &info->src_info[i];
+ src->clk = clk;
+
+ rsnd_mod_init(priv, &src->mod, ops, RSND_MOD_SRC, i);
+
+ dev_dbg(dev, "SRC%d probed\n", i);
+ }
+
+ return 0;
+}
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
new file mode 100644
index 00000000000..2df723df5d1
--- /dev/null
+++ b/sound/soc/sh/rcar/ssi.c
@@ -0,0 +1,657 @@
+/*
+ * Renesas R-Car SSIU/SSI support
+ *
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * Based on fsi.c
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/delay.h>
+#include "rsnd.h"
+#define RSND_SSI_NAME_SIZE 16
+
+/*
+ * SSICR
+ */
+#define FORCE (1 << 31) /* Fixed */
+#define DMEN (1 << 28) /* DMA Enable */
+#define UIEN (1 << 27) /* Underflow Interrupt Enable */
+#define OIEN (1 << 26) /* Overflow Interrupt Enable */
+#define IIEN (1 << 25) /* Idle Mode Interrupt Enable */
+#define DIEN (1 << 24) /* Data Interrupt Enable */
+
+#define DWL_8 (0 << 19) /* Data Word Length */
+#define DWL_16 (1 << 19) /* Data Word Length */
+#define DWL_18 (2 << 19) /* Data Word Length */
+#define DWL_20 (3 << 19) /* Data Word Length */
+#define DWL_22 (4 << 19) /* Data Word Length */
+#define DWL_24 (5 << 19) /* Data Word Length */
+#define DWL_32 (6 << 19) /* Data Word Length */
+
+#define SWL_32 (3 << 16) /* R/W System Word Length */
+#define SCKD (1 << 15) /* Serial Bit Clock Direction */
+#define SWSD (1 << 14) /* Serial WS Direction */
+#define SCKP (1 << 13) /* Serial Bit Clock Polarity */
+#define SWSP (1 << 12) /* Serial WS Polarity */
+#define SDTA (1 << 10) /* Serial Data Alignment */
+#define DEL (1 << 8) /* Serial Data Delay */
+#define CKDV(v) (v << 4) /* Serial Clock Division Ratio */
+#define TRMD (1 << 1) /* Transmit/Receive Mode Select */
+#define EN (1 << 0) /* SSI Module Enable */
+
+/*
+ * SSISR
+ */
+#define UIRQ (1 << 27) /* Underflow Error Interrupt Status */
+#define OIRQ (1 << 26) /* Overflow Error Interrupt Status */
+#define IIRQ (1 << 25) /* Idle Mode Interrupt Status */
+#define DIRQ (1 << 24) /* Data Interrupt Status Flag */
+
+/*
+ * SSIWSR
+ */
+#define CONT (1 << 8) /* WS Continue Function */
+
+#define SSI_NAME "ssi"
+
+struct rsnd_ssi {
+ struct clk *clk;
+ struct rsnd_ssi_platform_info *info; /* rcar_snd.h */
+ struct rsnd_ssi *parent;
+ struct rsnd_mod mod;
+
+ struct rsnd_dai *rdai;
+ u32 cr_own;
+ u32 cr_clk;
+ u32 cr_etc;
+ int err;
+ unsigned int usrcnt;
+ unsigned int rate;
+};
+
+#define for_each_rsnd_ssi(pos, priv, i) \
+ for (i = 0; \
+ (i < rsnd_ssi_nr(priv)) && \
+ ((pos) = ((struct rsnd_ssi *)(priv)->ssi + i)); \
+ i++)
+
+#define rsnd_ssi_nr(priv) ((priv)->ssi_nr)
+#define rsnd_mod_to_ssi(_mod) container_of((_mod), struct rsnd_ssi, mod)
+#define rsnd_dma_to_ssi(dma) rsnd_mod_to_ssi(rsnd_dma_to_mod(dma))
+#define rsnd_ssi_pio_available(ssi) ((ssi)->info->pio_irq > 0)
+#define rsnd_ssi_dma_available(ssi) \
+ rsnd_dma_available(rsnd_mod_to_dma(&(ssi)->mod))
+#define rsnd_ssi_clk_from_parent(ssi) ((ssi)->parent)
+#define rsnd_ssi_mode_flags(p) ((p)->info->flags)
+#define rsnd_ssi_dai_id(ssi) ((ssi)->info->dai_id)
+
+static void rsnd_ssi_status_check(struct rsnd_mod *mod,
+ u32 bit)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ u32 status;
+ int i;
+
+ for (i = 0; i < 1024; i++) {
+ status = rsnd_mod_read(mod, SSISR);
+ if (status & bit)
+ return;
+
+ udelay(50);
+ }
+
+ dev_warn(dev, "status check failed\n");
+}
+
+static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod);
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ int i, j, ret;
+ int adg_clk_div_table[] = {
+ 1, 6, /* see adg.c */
+ };
+ int ssi_clk_mul_table[] = {
+ 1, 2, 4, 8, 16, 6, 12,
+ };
+ unsigned int main_rate;
+ unsigned int rate = rsnd_src_get_ssi_rate(priv, io, runtime);
+
+ /*
+ * Find best clock, and try to start ADG
+ */
+ for (i = 0; i < ARRAY_SIZE(adg_clk_div_table); i++) {
+ for (j = 0; j < ARRAY_SIZE(ssi_clk_mul_table); j++) {
+
+ /*
+ * this driver is assuming that
+ * system word is 64fs (= 2 x 32bit)
+ * see rsnd_ssi_init()
+ */
+ main_rate = rate / adg_clk_div_table[i]
+ * 32 * 2 * ssi_clk_mul_table[j];
+
+ ret = rsnd_adg_ssi_clk_try_start(&ssi->mod, main_rate);
+ if (0 == ret) {
+ ssi->rate = rate;
+ ssi->cr_clk = FORCE | SWL_32 |
+ SCKD | SWSD | CKDV(j);
+
+ dev_dbg(dev, "ssi%d outputs %u Hz\n",
+ rsnd_mod_id(&ssi->mod), rate);
+
+ return 0;
+ }
+ }
+ }
+
+ dev_err(dev, "unsupported clock rate\n");
+ return -EIO;
+}
+
+static void rsnd_ssi_master_clk_stop(struct rsnd_ssi *ssi)
+{
+ ssi->rate = 0;
+ ssi->cr_clk = 0;
+ rsnd_adg_ssi_clk_stop(&ssi->mod);
+}
+
+static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ u32 cr;
+
+ if (0 == ssi->usrcnt) {
+ clk_prepare_enable(ssi->clk);
+
+ if (rsnd_dai_is_clk_master(rdai)) {
+ if (rsnd_ssi_clk_from_parent(ssi))
+ rsnd_ssi_hw_start(ssi->parent, rdai, io);
+ else
+ rsnd_ssi_master_clk_start(ssi, io);
+ }
+ }
+
+ cr = ssi->cr_own |
+ ssi->cr_clk |
+ ssi->cr_etc |
+ EN;
+
+ rsnd_mod_write(&ssi->mod, SSICR, cr);
+
+ ssi->usrcnt++;
+
+ dev_dbg(dev, "ssi%d hw started\n", rsnd_mod_id(&ssi->mod));
+}
+
+static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ u32 cr;
+
+ if (0 == ssi->usrcnt) /* stop might be called without start */
+ return;
+
+ ssi->usrcnt--;
+
+ if (0 == ssi->usrcnt) {
+ /*
+ * disable all IRQ,
+ * and, wait all data was sent
+ */
+ cr = ssi->cr_own |
+ ssi->cr_clk;
+
+ rsnd_mod_write(&ssi->mod, SSICR, cr | EN);
+ rsnd_ssi_status_check(&ssi->mod, DIRQ);
+
+ /*
+ * disable SSI,
+ * and, wait idle state
+ */
+ rsnd_mod_write(&ssi->mod, SSICR, cr); /* disabled all */
+ rsnd_ssi_status_check(&ssi->mod, IIRQ);
+
+ if (rsnd_dai_is_clk_master(rdai)) {
+ if (rsnd_ssi_clk_from_parent(ssi))
+ rsnd_ssi_hw_stop(ssi->parent, rdai);
+ else
+ rsnd_ssi_master_clk_stop(ssi);
+ }
+
+ clk_disable_unprepare(ssi->clk);
+ }
+
+ dev_dbg(dev, "ssi%d hw stopped\n", rsnd_mod_id(&ssi->mod));
+}
+
+/*
+ * SSI mod common functions
+ */
+static int rsnd_ssi_init(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+ u32 cr;
+
+ cr = FORCE;
+
+ /*
+ * always use 32bit system word for easy clock calculation.
+ * see also rsnd_ssi_master_clk_enable()
+ */
+ cr |= SWL_32;
+
+ /*
+ * init clock settings for SSICR
+ */
+ switch (runtime->sample_bits) {
+ case 16:
+ cr |= DWL_16;
+ break;
+ case 32:
+ cr |= DWL_24;
+ break;
+ default:
+ return -EIO;
+ }
+
+ if (rdai->bit_clk_inv)
+ cr |= SCKP;
+ if (rdai->frm_clk_inv)
+ cr |= SWSP;
+ if (rdai->data_alignment)
+ cr |= SDTA;
+ if (rdai->sys_delay)
+ cr |= DEL;
+ if (rsnd_dai_is_play(rdai, io))
+ cr |= TRMD;
+
+ /*
+ * set ssi parameter
+ */
+ ssi->rdai = rdai;
+ ssi->cr_own = cr;
+ ssi->err = -1; /* ignore 1st error */
+
+ rsnd_src_ssi_mode_init(mod, rdai);
+
+ return 0;
+}
+
+static int rsnd_ssi_quit(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+
+ if (ssi->err > 0)
+ dev_warn(dev, "ssi under/over flow err = %d\n", ssi->err);
+
+ ssi->rdai = NULL;
+ ssi->cr_own = 0;
+ ssi->err = 0;
+
+ return 0;
+}
+
+static void rsnd_ssi_record_error(struct rsnd_ssi *ssi, u32 status)
+{
+ /* under/over flow error */
+ if (status & (UIRQ | OIRQ)) {
+ ssi->err++;
+
+ /* clear error status */
+ rsnd_mod_write(&ssi->mod, SSISR, 0);
+ }
+}
+
+/*
+ * SSI PIO
+ */
+static irqreturn_t rsnd_ssi_pio_interrupt(int irq, void *data)
+{
+ struct rsnd_ssi *ssi = data;
+ struct rsnd_mod *mod = &ssi->mod;
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ u32 status = rsnd_mod_read(mod, SSISR);
+ irqreturn_t ret = IRQ_NONE;
+
+ if (io && (status & DIRQ)) {
+ struct rsnd_dai *rdai = ssi->rdai;
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+ u32 *buf = (u32 *)(runtime->dma_area +
+ rsnd_dai_pointer_offset(io, 0));
+
+ rsnd_ssi_record_error(ssi, status);
+
+ /*
+ * 8/16/32 data can be assesse to TDR/RDR register
+ * directly as 32bit data
+ * see rsnd_ssi_init()
+ */
+ if (rsnd_dai_is_play(rdai, io))
+ rsnd_mod_write(mod, SSITDR, *buf);
+ else
+ *buf = rsnd_mod_read(mod, SSIRDR);
+
+ rsnd_dai_pointer_update(io, sizeof(*buf));
+
+ ret = IRQ_HANDLED;
+ }
+
+ return ret;
+}
+
+static int rsnd_ssi_pio_probe(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+ int irq = ssi->info->pio_irq;
+ int ret;
+
+ ret = devm_request_irq(dev, irq,
+ rsnd_ssi_pio_interrupt,
+ IRQF_SHARED,
+ dev_name(dev), ssi);
+ if (ret)
+ dev_err(dev, "SSI request interrupt failed\n");
+
+ dev_dbg(dev, "%s (PIO) is probed\n", rsnd_mod_name(mod));
+
+ return ret;
+}
+
+static int rsnd_ssi_pio_start(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+
+ /* enable PIO IRQ */
+ ssi->cr_etc = UIEN | OIEN | DIEN;
+
+ rsnd_src_enable_ssi_irq(mod, rdai);
+
+ rsnd_ssi_hw_start(ssi, rdai, io);
+
+ return 0;
+}
+
+static int rsnd_ssi_pio_stop(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+
+ ssi->cr_etc = 0;
+
+ rsnd_ssi_hw_stop(ssi, rdai);
+
+ return 0;
+}
+
+static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
+ .name = SSI_NAME,
+ .probe = rsnd_ssi_pio_probe,
+ .init = rsnd_ssi_init,
+ .quit = rsnd_ssi_quit,
+ .start = rsnd_ssi_pio_start,
+ .stop = rsnd_ssi_pio_stop,
+};
+
+static int rsnd_ssi_dma_probe(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ int dma_id = ssi->info->dma_id;
+ int ret;
+
+ ret = rsnd_dma_init(
+ priv, rsnd_mod_to_dma(mod),
+ rsnd_info_is_playback(priv, ssi),
+ dma_id);
+
+ if (ret < 0)
+ dev_err(dev, "SSI DMA failed\n");
+
+ dev_dbg(dev, "%s (DMA) is probed\n", rsnd_mod_name(mod));
+
+ return ret;
+}
+
+static int rsnd_ssi_dma_remove(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ rsnd_dma_quit(rsnd_mod_to_priv(mod), rsnd_mod_to_dma(mod));
+
+ return 0;
+}
+
+static int rsnd_ssi_dma_start(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+ struct rsnd_dma *dma = rsnd_mod_to_dma(&ssi->mod);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+
+ /* enable DMA transfer */
+ ssi->cr_etc = DMEN;
+
+ rsnd_dma_start(dma);
+
+ rsnd_ssi_hw_start(ssi, ssi->rdai, io);
+
+ /* enable WS continue */
+ if (rsnd_dai_is_clk_master(rdai))
+ rsnd_mod_write(&ssi->mod, SSIWSR, CONT);
+
+ return 0;
+}
+
+static int rsnd_ssi_dma_stop(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+ struct rsnd_dma *dma = rsnd_mod_to_dma(&ssi->mod);
+
+ ssi->cr_etc = 0;
+
+ rsnd_ssi_record_error(ssi, rsnd_mod_read(mod, SSISR));
+
+ rsnd_ssi_hw_stop(ssi, rdai);
+
+ rsnd_dma_stop(dma);
+
+ return 0;
+}
+
+static struct rsnd_mod_ops rsnd_ssi_dma_ops = {
+ .name = SSI_NAME,
+ .probe = rsnd_ssi_dma_probe,
+ .remove = rsnd_ssi_dma_remove,
+ .init = rsnd_ssi_init,
+ .quit = rsnd_ssi_quit,
+ .start = rsnd_ssi_dma_start,
+ .stop = rsnd_ssi_dma_stop,
+};
+
+/*
+ * Non SSI
+ */
+static struct rsnd_mod_ops rsnd_ssi_non_ops = {
+ .name = SSI_NAME,
+};
+
+/*
+ * ssi mod function
+ */
+struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id)
+{
+ if (WARN_ON(id < 0 || id >= rsnd_ssi_nr(priv)))
+ id = 0;
+
+ return &((struct rsnd_ssi *)(priv->ssi) + id)->mod;
+}
+
+int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod)
+{
+ struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+
+ return !!(rsnd_ssi_mode_flags(ssi) & RSND_SSI_CLK_PIN_SHARE);
+}
+
+static void rsnd_ssi_parent_clk_setup(struct rsnd_priv *priv, struct rsnd_ssi *ssi)
+{
+ if (!rsnd_ssi_is_pin_sharing(&ssi->mod))
+ return;
+
+ switch (rsnd_mod_id(&ssi->mod)) {
+ case 1:
+ case 2:
+ ssi->parent = rsnd_mod_to_ssi(rsnd_ssi_mod_get(priv, 0));
+ break;
+ case 4:
+ ssi->parent = rsnd_mod_to_ssi(rsnd_ssi_mod_get(priv, 3));
+ break;
+ case 8:
+ ssi->parent = rsnd_mod_to_ssi(rsnd_ssi_mod_get(priv, 7));
+ break;
+ }
+}
+
+
+static void rsnd_of_parse_ssi(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct device_node *node;
+ struct device_node *np;
+ struct rsnd_ssi_platform_info *ssi_info;
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct device *dev = &pdev->dev;
+ int nr, i;
+
+ if (!of_data)
+ return;
+
+ node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi");
+ if (!node)
+ return;
+
+ nr = of_get_child_count(node);
+ if (!nr)
+ goto rsnd_of_parse_ssi_end;
+
+ ssi_info = devm_kzalloc(dev,
+ sizeof(struct rsnd_ssi_platform_info) * nr,
+ GFP_KERNEL);
+ if (!ssi_info) {
+ dev_err(dev, "ssi info allocation error\n");
+ goto rsnd_of_parse_ssi_end;
+ }
+
+ info->ssi_info = ssi_info;
+ info->ssi_info_nr = nr;
+
+ i = -1;
+ for_each_child_of_node(node, np) {
+ i++;
+
+ ssi_info = info->ssi_info + i;
+
+ /*
+ * pin settings
+ */
+ if (of_get_property(np, "shared-pin", NULL))
+ ssi_info->flags |= RSND_SSI_CLK_PIN_SHARE;
+
+ /*
+ * irq
+ */
+ ssi_info->pio_irq = irq_of_parse_and_map(np, 0);
+
+ /*
+ * DMA
+ */
+ ssi_info->dma_id = of_get_property(np, "pio-transfer", NULL) ?
+ 0 : 1;
+ }
+
+rsnd_of_parse_ssi_end:
+ of_node_put(node);
+}
+
+int rsnd_ssi_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct rsnd_ssi_platform_info *pinfo;
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_mod_ops *ops;
+ struct clk *clk;
+ struct rsnd_ssi *ssi;
+ char name[RSND_SSI_NAME_SIZE];
+ int i, nr;
+
+ rsnd_of_parse_ssi(pdev, of_data, priv);
+
+ /*
+ * init SSI
+ */
+ nr = info->ssi_info_nr;
+ ssi = devm_kzalloc(dev, sizeof(*ssi) * nr, GFP_KERNEL);
+ if (!ssi) {
+ dev_err(dev, "SSI allocate failed\n");
+ return -ENOMEM;
+ }
+
+ priv->ssi = ssi;
+ priv->ssi_nr = nr;
+
+ for_each_rsnd_ssi(ssi, priv, i) {
+ pinfo = &info->ssi_info[i];
+
+ snprintf(name, RSND_SSI_NAME_SIZE, "%s.%d",
+ SSI_NAME, i);
+
+ clk = devm_clk_get(dev, name);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ ssi->info = pinfo;
+ ssi->clk = clk;
+
+ ops = &rsnd_ssi_non_ops;
+ if (pinfo->dma_id > 0)
+ ops = &rsnd_ssi_dma_ops;
+ else if (rsnd_ssi_pio_available(ssi))
+ ops = &rsnd_ssi_pio_ops;
+
+ rsnd_mod_init(priv, &ssi->mod, ops, RSND_MOD_SSI, i);
+
+ rsnd_ssi_parent_clk_setup(priv, ssi);
+ }
+
+ return 0;
+}
diff --git a/sound/soc/sh/siu_dai.c b/sound/soc/sh/siu_dai.c
index 52d4c17b123..d55babee14f 100644
--- a/sound/soc/sh/siu_dai.c
+++ b/sound/soc/sh/siu_dai.c
@@ -543,7 +543,8 @@ static void siu_dai_shutdown(struct snd_pcm_substream *substream,
/* Stop the siu if the other stream is not using it */
if (!port_info->play_cap) {
/* during stmread or stmwrite ? */
- BUG_ON(port_info->playback.rw_flg || port_info->capture.rw_flg);
+ if (WARN_ON(port_info->playback.rw_flg || port_info->capture.rw_flg))
+ return;
siu_dai_spbstop(port_info);
siu_dai_stop(port_info);
}
@@ -726,7 +727,11 @@ static struct snd_soc_dai_driver siu_i2s_dai = {
.ops = &siu_dai_ops,
};
-static int __devinit siu_probe(struct platform_device *pdev)
+static const struct snd_soc_component_driver siu_i2s_component = {
+ .name = "siu-i2s",
+};
+
+static int siu_probe(struct platform_device *pdev)
{
const struct firmware *fw_entry;
struct resource *res, *region;
@@ -783,7 +788,8 @@ static int __devinit siu_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, info);
/* register using ARRAY version so we can keep dai name */
- ret = snd_soc_register_dais(&pdev->dev, &siu_i2s_dai, 1);
+ ret = snd_soc_register_component(&pdev->dev, &siu_i2s_component,
+ &siu_i2s_dai, 1);
if (ret < 0)
goto edaiinit;
@@ -796,7 +802,7 @@ static int __devinit siu_probe(struct platform_device *pdev)
return ret;
esocregp:
- snd_soc_unregister_dai(&pdev->dev);
+ snd_soc_unregister_component(&pdev->dev);
edaiinit:
iounmap(info->reg);
emapreg:
@@ -815,7 +821,7 @@ ereqfw:
return ret;
}
-static int __devexit siu_remove(struct platform_device *pdev)
+static int siu_remove(struct platform_device *pdev)
{
struct siu_info *info = dev_get_drvdata(&pdev->dev);
struct resource *res;
@@ -823,7 +829,7 @@ static int __devexit siu_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
snd_soc_unregister_platform(&pdev->dev);
- snd_soc_unregister_dai(&pdev->dev);
+ snd_soc_unregister_component(&pdev->dev);
iounmap(info->reg);
iounmap(info->yram);
@@ -843,7 +849,7 @@ static struct platform_driver siu_driver = {
.name = "siu-pcm-audio",
},
.probe = siu_probe,
- .remove = __devexit_p(siu_remove),
+ .remove = siu_remove,
};
module_platform_driver(siu_driver);
diff --git a/sound/soc/sh/siu_pcm.c b/sound/soc/sh/siu_pcm.c
index 0193e595d41..488f9becb44 100644
--- a/sound/soc/sh/siu_pcm.c
+++ b/sound/soc/sh/siu_pcm.c
@@ -130,7 +130,7 @@ static int siu_pcm_wr_set(struct siu_port *port_info,
sg_dma_len(&sg) = size;
sg_dma_address(&sg) = buff;
- desc = siu_stream->chan->device->device_prep_slave_sg(siu_stream->chan,
+ desc = dmaengine_prep_slave_sg(siu_stream->chan,
&sg, 1, DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
dev_err(dev, "Failed to allocate a dma descriptor\n");
@@ -180,7 +180,7 @@ static int siu_pcm_rd_set(struct siu_port *port_info,
sg_dma_len(&sg) = size;
sg_dma_address(&sg) = buff;
- desc = siu_stream->chan->device->device_prep_slave_sg(siu_stream->chan,
+ desc = dmaengine_prep_slave_sg(siu_stream->chan,
&sg, 1, DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
dev_err(dev, "Failed to allocate dma descriptor\n");
@@ -330,12 +330,9 @@ static bool filter(struct dma_chan *chan, void *slave)
{
struct sh_dmae_slave *param = slave;
- pr_debug("%s: slave ID %d\n", __func__, param->slave_id);
+ pr_debug("%s: slave ID %d\n", __func__, param->shdma_slave.slave_id);
- if (unlikely(param->dma_dev != chan->device->dev))
- return false;
-
- chan->private = param;
+ chan->private = &param->shdma_slave;
return true;
}
@@ -360,16 +357,15 @@ static int siu_pcm_open(struct snd_pcm_substream *ss)
if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) {
siu_stream = &port_info->playback;
param = &siu_stream->param;
- param->slave_id = port ? pdata->dma_slave_tx_b :
+ param->shdma_slave.slave_id = port ? pdata->dma_slave_tx_b :
pdata->dma_slave_tx_a;
} else {
siu_stream = &port_info->capture;
param = &siu_stream->param;
- param->slave_id = port ? pdata->dma_slave_rx_b :
+ param->shdma_slave.slave_id = port ? pdata->dma_slave_rx_b :
pdata->dma_slave_rx_a;
}
- param->dma_dev = pdata->dma_dev;
/* Get DMA channel */
siu_stream->chan = dma_request_channel(mask, filter, param);
if (!siu_stream->chan) {
diff --git a/sound/soc/sh/ssi.c b/sound/soc/sh/ssi.c
index ff82b56a886..e889405ebd3 100644
--- a/sound/soc/sh/ssi.c
+++ b/sound/soc/sh/ssi.c
@@ -379,15 +379,19 @@ static struct snd_soc_dai_driver sh4_ssi_dai[] = {
#endif
};
-static int __devinit sh4_soc_dai_probe(struct platform_device *pdev)
+static const struct snd_soc_component_driver sh4_ssi_component = {
+ .name = "sh4-ssi",
+};
+
+static int sh4_soc_dai_probe(struct platform_device *pdev)
{
- return snd_soc_register_dais(&pdev->dev, sh4_ssi_dai,
- ARRAY_SIZE(sh4_ssi_dai));
+ return snd_soc_register_component(&pdev->dev, &sh4_ssi_component,
+ sh4_ssi_dai, ARRAY_SIZE(sh4_ssi_dai));
}
-static int __devexit sh4_soc_dai_remove(struct platform_device *pdev)
+static int sh4_soc_dai_remove(struct platform_device *pdev)
{
- snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(sh4_ssi_dai));
+ snd_soc_unregister_component(&pdev->dev);
return 0;
}
@@ -398,7 +402,7 @@ static struct platform_driver sh4_ssi_driver = {
},
.probe = sh4_soc_dai_probe,
- .remove = __devexit_p(sh4_soc_dai_remove),
+ .remove = sh4_soc_dai_remove,
};
module_platform_driver(sh4_ssi_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 19:15:17 +0000