diff options
Diffstat (limited to 'sound/soc/sh')
-rw-r--r-- | sound/soc/sh/Kconfig | 23 | ||||
-rw-r--r-- | sound/soc/sh/Makefile | 6 | ||||
-rw-r--r-- | sound/soc/sh/fsi-da7210.c | 83 | ||||
-rw-r--r-- | sound/soc/sh/fsi.c | 227 | ||||
-rw-r--r-- | sound/soc/sh/migor.c | 218 | ||||
-rw-r--r-- | sound/soc/sh/siu.h | 193 | ||||
-rw-r--r-- | sound/soc/sh/siu_dai.c | 847 | ||||
-rw-r--r-- | sound/soc/sh/siu_pcm.c | 616 |
8 files changed, 2130 insertions, 83 deletions
diff --git a/sound/soc/sh/Kconfig b/sound/soc/sh/Kconfig index 9e697658655..106674979b5 100644 --- a/sound/soc/sh/Kconfig +++ b/sound/soc/sh/Kconfig @@ -26,6 +26,13 @@ config SND_SOC_SH4_FSI help This option enables FSI sound support +config SND_SOC_SH4_SIU + tristate + depends on (SUPERH || ARCH_SHMOBILE) && HAVE_CLK + select DMA_ENGINE + select DMADEVICES + select SH_DMAE + ## ## Boards ## @@ -47,4 +54,20 @@ config SND_FSI_AK4642 This option enables generic sound support for the FSI - AK4642 unit +config SND_FSI_DA7210 + bool "FSI-DA7210 sound support" + depends on SND_SOC_SH4_FSI + select SND_SOC_DA7210 + help + This option enables generic sound support for the + FSI - DA7210 unit + +config SND_SIU_MIGOR + tristate "SIU sound support on Migo-R" + depends on SH_MIGOR + select SND_SOC_SH4_SIU + select SND_SOC_WM8978 + help + This option enables sound support for the SH7722 Migo-R board + endmenu diff --git a/sound/soc/sh/Makefile b/sound/soc/sh/Makefile index a6997872f24..8a5a19293bd 100644 --- a/sound/soc/sh/Makefile +++ b/sound/soc/sh/Makefile @@ -6,13 +6,19 @@ obj-$(CONFIG_SND_SOC_PCM_SH7760) += snd-soc-dma-sh7760.o snd-soc-hac-objs := hac.o snd-soc-ssi-objs := ssi.o snd-soc-fsi-objs := fsi.o +snd-soc-siu-objs := siu_pcm.o siu_dai.o obj-$(CONFIG_SND_SOC_SH4_HAC) += snd-soc-hac.o obj-$(CONFIG_SND_SOC_SH4_SSI) += snd-soc-ssi.o obj-$(CONFIG_SND_SOC_SH4_FSI) += snd-soc-fsi.o +obj-$(CONFIG_SND_SOC_SH4_SIU) += snd-soc-siu.o ## boards snd-soc-sh7760-ac97-objs := sh7760-ac97.o snd-soc-fsi-ak4642-objs := fsi-ak4642.o +snd-soc-fsi-da7210-objs := fsi-da7210.o +snd-soc-migor-objs := migor.o obj-$(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_SIU_MIGOR) += snd-soc-migor.o diff --git a/sound/soc/sh/fsi-da7210.c b/sound/soc/sh/fsi-da7210.c new file mode 100644 index 00000000000..33b4d177f46 --- /dev/null +++ b/sound/soc/sh/fsi-da7210.c @@ -0,0 +1,83 @@ +/* + * 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/interrupt.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/i2c.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> + +#include <sound/sh_fsi.h> +#include "../codecs/da7210.h" + +static int fsi_da7210_init(struct snd_soc_codec *codec) +{ + return snd_soc_dai_set_fmt(&da7210_dai, + SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); +} + +static struct snd_soc_dai_link fsi_da7210_dai = { + .name = "DA7210", + .stream_name = "DA7210", + .cpu_dai = &fsi_soc_dai[1], /* FSI B */ + .codec_dai = &da7210_dai, + .init = fsi_da7210_init, +}; + +static struct snd_soc_card fsi_soc_card = { + .name = "FSI", + .platform = &fsi_soc_platform, + .dai_link = &fsi_da7210_dai, + .num_links = 1, +}; + +static struct snd_soc_device fsi_da7210_snd_devdata = { + .card = &fsi_soc_card, + .codec_dev = &soc_codec_dev_da7210, +}; + +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", -1); + if (!fsi_da7210_snd_device) + return -ENOMEM; + + platform_set_drvdata(fsi_da7210_snd_device, &fsi_da7210_snd_devdata); + fsi_da7210_snd_devdata.dev = &fsi_da7210_snd_device->dev; + 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.c b/sound/soc/sh/fsi.c index 42813b80838..993abb730df 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -67,6 +67,7 @@ /* DOFF_ST */ #define ERR_OVER 0x00000010 #define ERR_UNDER 0x00000001 +#define ST_ERR (ERR_OVER | ERR_UNDER) /* CLK_RST */ #define B_CLK 0x00000010 @@ -92,6 +93,7 @@ struct fsi_priv { void __iomem *base; struct snd_pcm_substream *substream; + struct fsi_master *master; int fifo_max; int chan; @@ -108,10 +110,9 @@ struct fsi_master { struct fsi_priv fsia; struct fsi_priv fsib; struct sh_fsi_platform_info *info; + spinlock_t lock; }; -static struct fsi_master *master; - /************************************************************************ @@ -119,35 +120,35 @@ static struct fsi_master *master; ************************************************************************/ -static int __fsi_reg_write(u32 reg, u32 data) +static void __fsi_reg_write(u32 reg, u32 data) { /* valid data area is 24bit */ data &= 0x00ffffff; - return ctrl_outl(data, reg); + __raw_writel(data, reg); } static u32 __fsi_reg_read(u32 reg) { - return ctrl_inl(reg); + return __raw_readl(reg); } -static int __fsi_reg_mask_set(u32 reg, u32 mask, u32 data) +static void __fsi_reg_mask_set(u32 reg, u32 mask, u32 data) { u32 val = __fsi_reg_read(reg); val &= ~mask; val |= data & mask; - return __fsi_reg_write(reg, val); + __fsi_reg_write(reg, val); } -static int fsi_reg_write(struct fsi_priv *fsi, u32 reg, u32 data) +static void fsi_reg_write(struct fsi_priv *fsi, u32 reg, u32 data) { if (reg > REG_END) - return -1; + return; - return __fsi_reg_write((u32)(fsi->base + reg), data); + __fsi_reg_write((u32)(fsi->base + reg), data); } static u32 fsi_reg_read(struct fsi_priv *fsi, u32 reg) @@ -158,39 +159,55 @@ static u32 fsi_reg_read(struct fsi_priv *fsi, u32 reg) return __fsi_reg_read((u32)(fsi->base + reg)); } -static int fsi_reg_mask_set(struct fsi_priv *fsi, u32 reg, u32 mask, u32 data) +static void fsi_reg_mask_set(struct fsi_priv *fsi, u32 reg, u32 mask, u32 data) { if (reg > REG_END) - return -1; + return; - return __fsi_reg_mask_set((u32)(fsi->base + reg), mask, data); + __fsi_reg_mask_set((u32)(fsi->base + reg), mask, data); } -static int fsi_master_write(u32 reg, u32 data) +static void fsi_master_write(struct fsi_master *master, u32 reg, u32 data) { + unsigned long flags; + if ((reg < MREG_START) || (reg > MREG_END)) - return -1; + return; - return __fsi_reg_write((u32)(master->base + reg), data); + spin_lock_irqsave(&master->lock, flags); + __fsi_reg_write((u32)(master->base + reg), data); + spin_unlock_irqrestore(&master->lock, flags); } -static u32 fsi_master_read(u32 reg) +static u32 fsi_master_read(struct fsi_master *master, u32 reg) { + u32 ret; + unsigned long flags; + if ((reg < MREG_START) || (reg > MREG_END)) return 0; - return __fsi_reg_read((u32)(master->base + reg)); + spin_lock_irqsave(&master->lock, flags); + ret = __fsi_reg_read((u32)(master->base + reg)); + spin_unlock_irqrestore(&master->lock, flags); + + return ret; } -static int fsi_master_mask_set(u32 reg, u32 mask, u32 data) +static void fsi_master_mask_set(struct fsi_master *master, + u32 reg, u32 mask, u32 data) { + unsigned long flags; + if ((reg < MREG_START) || (reg > MREG_END)) - return -1; + return; - return __fsi_reg_mask_set((u32)(master->base + reg), mask, data); + spin_lock_irqsave(&master->lock, flags); + __fsi_reg_mask_set((u32)(master->base + reg), mask, data); + spin_unlock_irqrestore(&master->lock, flags); } /************************************************************************ @@ -200,43 +217,35 @@ static int fsi_master_mask_set(u32 reg, u32 mask, u32 data) ************************************************************************/ -static struct fsi_priv *fsi_get(struct snd_pcm_substream *substream) +static struct fsi_master *fsi_get_master(struct fsi_priv *fsi) { - struct snd_soc_pcm_runtime *rtd; - struct fsi_priv *fsi = NULL; + return fsi->master; +} - if (!substream || !master) - return NULL; +static int fsi_is_port_a(struct fsi_priv *fsi) +{ + return fsi->master->base == fsi->base; +} - rtd = substream->private_data; - switch (rtd->dai->cpu_dai->id) { - case 0: - fsi = &master->fsia; - break; - case 1: - fsi = &master->fsib; - break; - } +static struct snd_soc_dai *fsi_get_dai(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai_link *machine = rtd->dai; - return fsi; + return machine->cpu_dai; } -static int fsi_is_port_a(struct fsi_priv *fsi) +static struct fsi_priv *fsi_get_priv(struct snd_pcm_substream *substream) { - /* return - * 1 : port a - * 0 : port b - */ + struct snd_soc_dai *dai = fsi_get_dai(substream); - if (fsi == &master->fsia) - return 1; - - return 0; + return dai->private_data; } static u32 fsi_get_info_flags(struct fsi_priv *fsi) { int is_porta = fsi_is_port_a(fsi); + struct fsi_master *master = fsi_get_master(fsi); return is_porta ? master->info->porta_flags : master->info->portb_flags; @@ -314,27 +323,30 @@ static int fsi_get_fifo_residue(struct fsi_priv *fsi, int is_play) static void fsi_irq_enable(struct fsi_priv *fsi, int is_play) { u32 data = fsi_port_ab_io_bit(fsi, is_play); + struct fsi_master *master = fsi_get_master(fsi); - fsi_master_mask_set(IMSK, data, data); - fsi_master_mask_set(IEMSK, data, data); + fsi_master_mask_set(master, IMSK, data, data); + fsi_master_mask_set(master, IEMSK, data, data); } static void fsi_irq_disable(struct fsi_priv *fsi, int is_play) { u32 data = fsi_port_ab_io_bit(fsi, is_play); + struct fsi_master *master = fsi_get_master(fsi); - fsi_master_mask_set(IMSK, data, 0); - fsi_master_mask_set(IEMSK, data, 0); + fsi_master_mask_set(master, IMSK, data, 0); + fsi_master_mask_set(master, IEMSK, data, 0); } static void fsi_clk_ctrl(struct fsi_priv *fsi, int enable) { u32 val = fsi_is_port_a(fsi) ? (1 << 0) : (1 << 4); + struct fsi_master *master = fsi_get_master(fsi); if (enable) - fsi_master_mask_set(CLK_RST, val, val); + fsi_master_mask_set(master, CLK_RST, val, val); else - fsi_master_mask_set(CLK_RST, val, 0); + fsi_master_mask_set(master, CLK_RST, val, 0); } static void fsi_irq_init(struct fsi_priv *fsi, int is_play) @@ -355,43 +367,46 @@ static void fsi_irq_init(struct fsi_priv *fsi, int is_play) fsi_reg_mask_set(fsi, ctrl, FIFO_CLR, FIFO_CLR); /* clear interrupt factor */ - fsi_master_mask_set(INT_ST, data, 0); + fsi_master_mask_set(fsi_get_master(fsi), INT_ST, data, 0); } -static void fsi_soft_all_reset(void) +static void fsi_soft_all_reset(struct fsi_master *master) { - u32 status = fsi_master_read(SOFT_RST); + u32 status = fsi_master_read(master, SOFT_RST); /* port AB reset */ status &= 0x000000ff; - fsi_master_write(SOFT_RST, status); + fsi_master_write(master, SOFT_RST, status); mdelay(10); /* soft reset */ status &= 0x000000f0; - fsi_master_write(SOFT_RST, status); + fsi_master_write(master, SOFT_RST, status); status |= 0x00000001; - fsi_master_write(SOFT_RST, status); + fsi_master_write(master, SOFT_RST, status); mdelay(10); } /* playback interrupt */ -static int fsi_data_push(struct fsi_priv *fsi) +static int fsi_data_push(struct fsi_priv *fsi, int startup) { struct snd_pcm_runtime *runtime; struct snd_pcm_substream *substream = NULL; + u32 status; int send; int fifo_free; int width; u8 *start; - int i; + int i, over_period; if (!fsi || !fsi->substream || !fsi->substream->runtime) return -EINVAL; - runtime = fsi->substream->runtime; + over_period = 0; + substream = fsi->substream; + runtime = substream->runtime; /* FSI FIFO has limit. * So, this driver can not send periods data at a time @@ -399,7 +414,7 @@ static int fsi_data_push(struct fsi_priv *fsi) if (fsi->byte_offset >= fsi->period_len * (fsi->periods + 1)) { - substream = fsi->substream; + over_period = 1; fsi->periods = (fsi->periods + 1) % runtime->periods; if (0 == fsi->periods) @@ -438,30 +453,44 @@ static int fsi_data_push(struct fsi_priv *fsi) fsi->byte_offset += send * width; + status = fsi_reg_read(fsi, DOFF_ST); + if (!startup) { + struct snd_soc_dai *dai = fsi_get_dai(substream); + + if (status & ERR_OVER) + dev_err(dai->dev, "over run\n"); + if (status & ERR_UNDER) + dev_err(dai->dev, "under run\n"); + } + fsi_reg_write(fsi, DOFF_ST, 0); + fsi_irq_enable(fsi, 1); - if (substream) + if (over_period) snd_pcm_period_elapsed(substream); return 0; } -static int fsi_data_pop(struct fsi_priv *fsi) +static int fsi_data_pop(struct fsi_priv *fsi, int startup) { struct snd_pcm_runtime *runtime; struct snd_pcm_substream *substream = NULL; + u32 status; int free; int fifo_fill; int width; u8 *start; - int i; + int i, over_period; if (!fsi || !fsi->substream || !fsi->substream->runtime) return -EINVAL; - runtime = fsi->substream->runtime; + over_period = 0; + substream = fsi->substream; + runtime = substream->runtime; /* FSI FIFO has limit. * So, this driver can not send periods data at a time @@ -469,7 +498,7 @@ static int fsi_data_pop(struct fsi_priv *fsi) if (fsi->byte_offset >= fsi->period_len * (fsi->periods + 1)) { - substream = fsi->substream; + over_period = 1; fsi->periods = (fsi->periods + 1) % runtime->periods; if (0 == fsi->periods) @@ -507,9 +536,20 @@ static int fsi_data_pop(struct fsi_priv *fsi) fsi->byte_offset += fifo_fill * width; + status = fsi_reg_read(fsi, DIFF_ST); + if (!startup) { + struct snd_soc_dai *dai = fsi_get_dai(substream); + + if (status & ERR_OVER) + dev_err(dai->dev, "over run\n"); + if (status & ERR_UNDER) + dev_err(dai->dev, "under run\n"); + } + fsi_reg_write(fsi, DIFF_ST, 0); + fsi_irq_enable(fsi, 0); - if (substream) + if (over_period) snd_pcm_period_elapsed(substream); return 0; @@ -517,23 +557,24 @@ static int fsi_data_pop(struct fsi_priv *fsi) static irqreturn_t fsi_interrupt(int irq, void *data) { - u32 status = fsi_master_read(SOFT_RST) & ~0x00000010; - u32 int_st = fsi_master_read(INT_ST); + struct fsi_master *master = data; + u32 status = fsi_master_read(master, SOFT_RST) & ~0x00000010; + u32 int_st = fsi_master_read(master, INT_ST); /* clear irq status */ - fsi_master_write(SOFT_RST, status); - fsi_master_write(SOFT_RST, status | 0x00000010); + fsi_master_write(master, SOFT_RST, status); + fsi_master_write(master, SOFT_RST, status | 0x00000010); if (int_st & INT_A_OUT) - fsi_data_push(&master->fsia); + fsi_data_push(&master->fsia, 0); if (int_st & INT_B_OUT) - fsi_data_push(&master->fsib); + fsi_data_push(&master->fsib, 0); if (int_st & INT_A_IN) - fsi_data_pop(&master->fsia); + fsi_data_pop(&master->fsia, 0); if (int_st & INT_B_IN) - fsi_data_pop(&master->fsib); + fsi_data_pop(&master->fsib, 0); - fsi_master_write(INT_ST, 0x0000000); + fsi_master_write(master, INT_ST, 0x0000000); return IRQ_HANDLED; } @@ -548,7 +589,7 @@ static irqreturn_t fsi_interrupt(int irq, void *data) static int fsi_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct fsi_priv *fsi = fsi_get(substream); + struct fsi_priv *fsi = fsi_get_priv(substream); const char *msg; u32 flags = fsi_get_info_flags(fsi); u32 fmt; @@ -667,7 +708,7 @@ static int fsi_dai_startup(struct snd_pcm_substream *substream, static void fsi_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct fsi_priv *fsi = fsi_get(substream); + struct fsi_priv *fsi = fsi_get_priv(substream); int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; fsi_irq_disable(fsi, is_play); @@ -679,7 +720,7 @@ static void fsi_dai_shutdown(struct snd_pcm_substream *substream, static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { - struct fsi_priv *fsi = fsi_get(substream); + struct fsi_priv *fsi = fsi_get_priv(substream); struct snd_pcm_runtime *runtime = substream->runtime; int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; int ret = 0; @@ -689,7 +730,7 @@ static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd, fsi_stream_push(fsi, substream, frames_to_bytes(runtime, runtime->buffer_size), frames_to_bytes(runtime, runtime->period_size)); - ret = is_play ? fsi_data_push(fsi) : fsi_data_pop(fsi); + ret = is_play ? fsi_data_push(fsi, 1) : fsi_data_pop(fsi, 1); break; case SNDRV_PCM_TRIGGER_STOP: fsi_irq_disable(fsi, is_play); @@ -760,7 +801,7 @@ static int fsi_hw_free(struct snd_pcm_substream *substream) static snd_pcm_uframes_t fsi_pointer(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - struct fsi_priv *fsi = fsi_get(substream); + struct fsi_priv *fsi = fsi_get_priv(substream); long location; location = (fsi->byte_offset - 1); @@ -870,10 +911,16 @@ EXPORT_SYMBOL_GPL(fsi_soc_platform); ************************************************************************/ static int fsi_probe(struct platform_device *pdev) { + struct fsi_master *master; struct resource *res; unsigned int irq; int ret; + if (0 != pdev->id) { + dev_err(&pdev->dev, "current fsi support id 0 only now\n"); + return -ENODEV; + } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); if (!res || (int)irq <= 0) { @@ -899,15 +946,20 @@ static int fsi_probe(struct platform_device *pdev) master->irq = irq; master->info = pdev->dev.platform_data; master->fsia.base = master->base; + master->fsia.master = master; master->fsib.base = master->base + 0x40; + master->fsib.master = master; + spin_lock_init(&master->lock); pm_runtime_enable(&pdev->dev); pm_runtime_resume(&pdev->dev); fsi_soc_dai[0].dev = &pdev->dev; + fsi_soc_dai[0].private_data = &master->fsia; fsi_soc_dai[1].dev = &pdev->dev; + fsi_soc_dai[1].private_data = &master->fsib; - fsi_soft_all_reset(); + fsi_soft_all_reset(master); ret = request_irq(irq, &fsi_interrupt, IRQF_DISABLED, "fsi", master); if (ret) { @@ -937,6 +989,10 @@ exit: static int fsi_remove(struct platform_device *pdev) { + struct fsi_master *master; + + master = fsi_get_master(fsi_soc_dai[0].private_data); + snd_soc_unregister_dais(fsi_soc_dai, ARRAY_SIZE(fsi_soc_dai)); snd_soc_unregister_platform(&fsi_soc_platform); @@ -946,7 +1002,12 @@ static int fsi_remove(struct platform_device *pdev) iounmap(master->base); kfree(master); - master = NULL; + + fsi_soc_dai[0].dev = NULL; + fsi_soc_dai[0].private_data = NULL; + fsi_soc_dai[1].dev = NULL; + fsi_soc_dai[1].private_data = NULL; + return 0; } diff --git a/sound/soc/sh/migor.c b/sound/soc/sh/migor.c new file mode 100644 index 00000000000..b823a5c9b9b --- /dev/null +++ b/sound/soc/sh/migor.c @@ -0,0 +1,218 @@ +/* + * ALSA SoC driver for Migo-R + * + * Copyright (C) 2009-2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * 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/device.h> +#include <linux/firmware.h> +#include <linux/module.h> + +#include <asm/clock.h> + +#include <cpu/sh7722.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> + +#include "../codecs/wm8978.h" +#include "siu.h" + +/* Default 8000Hz sampling frequency */ +static unsigned long codec_freq = 8000 * 512; + +static unsigned int use_count; + +/* External clock, sourced from the codec at the SIUMCKB pin */ +static unsigned long siumckb_recalc(struct clk *clk) +{ + return codec_freq; +} + +static struct clk_ops siumckb_clk_ops = { + .recalc = siumckb_recalc, +}; + +static struct clk siumckb_clk = { + .name = "siumckb_clk", + .id = -1, + .ops = &siumckb_clk_ops, + .rate = 0, /* initialised at run-time */ +}; + +static int migor_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; + int ret; + unsigned int rate = params_rate(params); + + ret = snd_soc_dai_set_sysclk(codec_dai, WM8978_PLL, 13000000, + SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_clkdiv(codec_dai, WM8978_OPCLKRATE, rate * 512); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_NB_IF | + SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_fmt(rtd->dai->cpu_dai, SND_SOC_DAIFMT_NB_IF | + SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS); + if (ret < 0) + return ret; + + codec_freq = rate * 512; + /* + * This propagates the parent frequency change to children and + * recalculates the frequency table + */ + clk_set_rate(&siumckb_clk, codec_freq); + dev_dbg(codec_dai->dev, "%s: configure %luHz\n", __func__, codec_freq); + + ret = snd_soc_dai_set_sysclk(rtd->dai->cpu_dai, SIU_CLKB_EXT, + codec_freq / 2, SND_SOC_CLOCK_IN); + + if (!ret) + use_count++; + + return ret; +} + +static int migor_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; + + if (use_count) { + use_count--; + + if (!use_count) + snd_soc_dai_set_sysclk(codec_dai, WM8978_PLL, 0, + SND_SOC_CLOCK_IN); + } else { + dev_dbg(codec_dai->dev, "Unbalanced hw_free!\n"); + } + + return 0; +} + +static struct snd_soc_ops migor_dai_ops = { + .hw_params = migor_hw_params, + .hw_free = migor_hw_free, +}; + +static const struct snd_soc_dapm_widget migor_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_MIC("Onboard Microphone", NULL), + SND_SOC_DAPM_MIC("External Microphone", NULL), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + /* Headphone output connected to LHP/RHP, enable OUT4 for VMID */ + { "Headphone", NULL, "OUT4 VMID" }, + { "OUT4 VMID", NULL, "LHP" }, + { "OUT4 VMID", NULL, "RHP" }, + + /* On-board microphone */ + { "RMICN", NULL, "Mic Bias" }, + { "RMICP", NULL, "Mic Bias" }, + { "Mic Bias", NULL, "Onboard Microphone" }, + + /* External microphone */ + { "LMICN", NULL, "Mic Bias" }, + { "LMICP", NULL, "Mic Bias" }, + { "Mic Bias", NULL, "External Microphone" }, +}; + +static int migor_dai_init(struct snd_soc_codec *codec) +{ + snd_soc_dapm_new_controls(codec, migor_dapm_widgets, + ARRAY_SIZE(migor_dapm_widgets)); + + snd_soc_dapm_add_routes(codec, 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 = &siu_i2s_dai, + .codec_dai = &wm8978_dai, + .ops = &migor_dai_ops, + .init = migor_dai_init, +}; + +/* migor audio machine driver */ +static struct snd_soc_card snd_soc_migor = { + .name = "Migo-R", + .platform = &siu_platform, + .dai_link = &migor_dai, + .num_links = 1, +}; + +/* migor audio subsystem */ +static struct snd_soc_device migor_snd_devdata = { + .card = &snd_soc_migor, + .codec_dev = &soc_codec_dev_wm8978, +}; + +static struct platform_device *migor_snd_device; + +static int __init migor_init(void) +{ + int ret; + + ret = clk_register(&siumckb_clk); + if (ret < 0) + return ret; + + /* Port number used on this machine: port B */ + migor_snd_device = platform_device_alloc("soc-audio", 1); + if (!migor_snd_device) { + ret = -ENOMEM; + goto epdevalloc; + } + + platform_set_drvdata(migor_snd_device, &migor_snd_devdata); + + migor_snd_devdata.dev = &migor_snd_device->dev; + + ret = platform_device_add(migor_snd_device); + if (ret) + goto epdevadd; + + return 0; + +epdevadd: + platform_device_put(migor_snd_device); +epdevalloc: + clk_unregister(&siumckb_clk); + return ret; +} + +static void __exit migor_exit(void) +{ + clk_unregister(&siumckb_clk); + platform_device_unregister(migor_snd_device); +} + +module_init(migor_init); +module_exit(migor_exit); + +MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>"); +MODULE_DESCRIPTION("ALSA SoC Migor"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/sh/siu.h b/sound/soc/sh/siu.h new file mode 100644 index 00000000000..9cc04ab2bce --- /dev/null +++ b/sound/soc/sh/siu.h @@ -0,0 +1,193 @@ +/* + * siu.h - ALSA SoC driver for Renesas SH7343, SH7722 SIU peripheral. + * + * Copyright (C) 2009-2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * Copyright (C) 2006 Carlos Munoz <carlos@kenati.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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef SIU_H +#define SIU_H + +/* Common kernel and user-space firmware-building defines and types */ + +#define YRAM0_SIZE (0x0040 / 4) /* 16 */ +#define YRAM1_SIZE (0x0080 / 4) /* 32 */ +#define YRAM2_SIZE (0x0040 / 4) /* 16 */ +#define YRAM3_SIZE (0x0080 / 4) /* 32 */ +#define YRAM4_SIZE (0x0080 / 4) /* 32 */ +#define YRAM_DEF_SIZE (YRAM0_SIZE + YRAM1_SIZE + YRAM2_SIZE + \ + YRAM3_SIZE + YRAM4_SIZE) +#define YRAM_FIR_SIZE (0x0400 / 4) /* 256 */ +#define YRAM_IIR_SIZE (0x0200 / 4) /* 128 */ + +#define XRAM0_SIZE (0x0400 / 4) /* 256 */ +#define XRAM1_SIZE (0x0200 / 4) /* 128 */ +#define XRAM2_SIZE (0x0200 / 4) /* 128 */ + +/* PRAM program array size */ +#define PRAM0_SIZE (0x0100 / 4) /* 64 */ +#define PRAM1_SIZE ((0x2000 - 0x0100) / 4) /* 1984 */ + +#include <linux/types.h> + +struct siu_spb_param { + __u32 ab1a; /* input FIFO address */ + __u32 ab0a; /* output FIFO address */ + __u32 dir; /* 0=the ather except CPUOUTPUT, 1=CPUINPUT */ + __u32 event; /* SPB program starting conditions */ + __u32 stfifo; /* STFIFO register setting value */ + __u32 trdat; /* TRDAT register setting value */ +}; + +struct siu_firmware { + __u32 yram_fir_coeff[YRAM_FIR_SIZE]; + __u32 pram0[PRAM0_SIZE]; + __u32 pram1[PRAM1_SIZE]; + __u32 yram0[YRAM0_SIZE]; + __u32 yram1[YRAM1_SIZE]; + __u32 yram2[YRAM2_SIZE]; + __u32 yram3[YRAM3_SIZE]; + __u32 yram4[YRAM4_SIZE]; + __u32 spbpar_num; + struct siu_spb_param spbpar[32]; +}; + +#ifdef __KERNEL__ + +#include <linux/dmaengine.h> +#include <linux/interrupt.h> +#include <linux/io.h> + +#include <asm/dma-sh.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc-dai.h> + +#define SIU_PERIOD_BYTES_MAX 8192 /* DMA transfer/period size */ +#define SIU_PERIOD_BYTES_MIN 256 /* DMA transfer/period size */ +#define SIU_PERIODS_MAX 64 /* Max periods in buffer */ +#define SIU_PERIODS_MIN 4 /* Min periods in buffer */ +#define SIU_BUFFER_BYTES_MAX (SIU_PERIOD_BYTES_MAX * SIU_PERIODS_MAX) + +/* SIU ports: only one can be used at a time */ +enum { + SIU_PORT_A, + SIU_PORT_B, + SIU_PORT_NUM, +}; + +/* SIU clock configuration */ +enum { + SIU_CLKA_PLL, + SIU_CLKA_EXT, + SIU_CLKB_PLL, + SIU_CLKB_EXT +}; + +struct siu_info { + int port_id; + u32 __iomem *pram; + u32 __iomem *xram; + u32 __iomem *yram; + u32 __iomem *reg; + struct siu_firmware fw; +}; + +struct siu_stream { + struct tasklet_struct tasklet; + struct snd_pcm_substream *substream; + snd_pcm_format_t format; + size_t buf_bytes; + size_t period_bytes; + int cur_period; /* Period currently in dma */ + u32 volume; + snd_pcm_sframes_t xfer_cnt; /* Number of frames */ + u8 rw_flg; /* transfer status */ + /* DMA status */ + struct dma_chan *chan; /* DMA channel */ + struct dma_async_tx_descriptor *tx_desc; + dma_cookie_t cookie; + struct sh_dmae_slave param; +}; + +struct siu_port { + unsigned long play_cap; /* Used to track full duplex */ + struct snd_pcm *pcm; + struct siu_stream playback; + struct siu_stream capture; + u32 stfifo; /* STFIFO value from firmware */ + u32 trdat; /* TRDAT value from firmware */ +}; + +extern struct siu_port *siu_ports[SIU_PORT_NUM]; + +static inline struct siu_port *siu_port_info(struct snd_pcm_substream *substream) +{ + struct platform_device *pdev = + to_platform_device(substream->pcm->card->dev); + return siu_ports[pdev->id]; +} + +/* Register access */ +static inline void siu_write32(u32 __iomem *addr, u32 val) +{ + __raw_writel(val, addr); +} + +static inline u32 siu_read32(u32 __iomem *addr) +{ + return __raw_readl(addr); +} + +/* SIU registers */ +#define SIU_IFCTL (0x000 / sizeof(u32)) +#define SIU_SRCTL (0x004 / sizeof(u32)) +#define SIU_SFORM (0x008 / sizeof(u32)) +#define SIU_CKCTL (0x00c / sizeof(u32)) +#define SIU_TRDAT (0x010 / sizeof(u32)) +#define SIU_STFIFO (0x014 / sizeof(u32)) +#define SIU_DPAK (0x01c / sizeof(u32)) +#define SIU_CKREV (0x020 / sizeof(u32)) +#define SIU_EVNTC (0x028 / sizeof(u32)) +#define SIU_SBCTL (0x040 / sizeof(u32)) +#define SIU_SBPSET (0x044 / sizeof(u32)) +#define SIU_SBFSTS (0x068 / sizeof(u32)) +#define SIU_SBDVCA (0x06c / sizeof(u32)) +#define SIU_SBDVCB (0x070 / sizeof(u32)) +#define SIU_SBACTIV (0x074 / sizeof(u32)) +#define SIU_DMAIA (0x090 / sizeof(u32)) +#define SIU_DMAIB (0x094 / sizeof(u32)) +#define SIU_DMAOA (0x098 / sizeof(u32)) +#define SIU_DMAOB (0x09c / sizeof(u32)) +#define SIU_DMAML (0x0a0 / sizeof(u32)) +#define SIU_SPSTS (0x0cc / sizeof(u32)) +#define SIU_SPCTL (0x0d0 / sizeof(u32)) +#define SIU_BRGASEL (0x100 / sizeof(u32)) +#define SIU_BRRA (0x104 / sizeof(u32)) +#define SIU_BRGBSEL (0x108 / sizeof(u32)) +#define SIU_BRRB (0x10c / sizeof(u32)) + +extern struct snd_soc_platform siu_platform; +extern struct snd_soc_dai siu_i2s_dai; + +int siu_init_port(int port, struct siu_port **port_info, struct snd_card *card); +void siu_free_port(struct siu_port *port_info); + +#endif + +#endif /* SIU_H */ diff --git a/sound/soc/sh/siu_dai.c b/sound/soc/sh/siu_dai.c new file mode 100644 index 00000000000..5452d19607e --- /dev/null +++ b/sound/soc/sh/siu_dai.c @@ -0,0 +1,847 @@ +/* + * siu_dai.c - ALSA SoC driver for Renesas SH7343, SH7722 SIU peripheral. + * + * Copyright (C) 2009-2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * Copyright (C) 2006 Carlos Munoz <carlos@kenati.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 |