diff options
Diffstat (limited to 'sound/soc/ep93xx')
| -rw-r--r-- | sound/soc/ep93xx/Kconfig | 16 | ||||
| -rw-r--r-- | sound/soc/ep93xx/Makefile | 4 | ||||
| -rw-r--r-- | sound/soc/ep93xx/ep93xx-ac97.c | 468 | ||||
| -rw-r--r-- | sound/soc/ep93xx/ep93xx-i2s.c | 34 | ||||
| -rw-r--r-- | sound/soc/ep93xx/ep93xx-i2s.h | 18 | ||||
| -rw-r--r-- | sound/soc/ep93xx/ep93xx-pcm.c | 37 | ||||
| -rw-r--r-- | sound/soc/ep93xx/ep93xx-pcm.h | 2 | ||||
| -rw-r--r-- | sound/soc/ep93xx/simone.c | 89 | ||||
| -rw-r--r-- | sound/soc/ep93xx/snappercl15.c | 24 |
9 files changed, 627 insertions, 65 deletions
diff --git a/sound/soc/ep93xx/Kconfig b/sound/soc/ep93xx/Kconfig index f617f560f46..57429041189 100644 --- a/sound/soc/ep93xx/Kconfig +++ b/sound/soc/ep93xx/Kconfig @@ -3,11 +3,16 @@ config SND_EP93XX_SOC depends on ARCH_EP93XX && SND_SOC help Say Y or M if you want to add support for codecs attached to - the EP93xx I2S interface. + the EP93xx I2S or AC97 interfaces. config SND_EP93XX_SOC_I2S tristate +config SND_EP93XX_SOC_AC97 + tristate + select AC97_BUS + select SND_SOC_AC97_BUS + config SND_EP93XX_SOC_SNAPPERCL15 tristate "SoC Audio support for Bluewater Systems Snapper CL15 module" depends on SND_EP93XX_SOC && MACH_SNAPPER_CL15 @@ -16,3 +21,12 @@ config SND_EP93XX_SOC_SNAPPERCL15 help Say Y or M here if you want to add support for I2S audio on the Bluewater Systems Snapper CL15 module. + +config SND_EP93XX_SOC_SIMONE + tristate "SoC Audio support for Simplemachines Sim.One board" + depends on SND_EP93XX_SOC && MACH_SIM_ONE + select SND_EP93XX_SOC_AC97 + select SND_SOC_AC97_CODEC + help + Say Y or M here if you want to add support for AC97 audio on the + Simplemachines Sim.One board. diff --git a/sound/soc/ep93xx/Makefile b/sound/soc/ep93xx/Makefile index 272e60f57b9..8e7977fb6b7 100644 --- a/sound/soc/ep93xx/Makefile +++ b/sound/soc/ep93xx/Makefile @@ -1,11 +1,15 @@ # EP93xx Platform Support snd-soc-ep93xx-objs := ep93xx-pcm.o snd-soc-ep93xx-i2s-objs := ep93xx-i2s.o +snd-soc-ep93xx-ac97-objs := ep93xx-ac97.o obj-$(CONFIG_SND_EP93XX_SOC) += snd-soc-ep93xx.o obj-$(CONFIG_SND_EP93XX_SOC_I2S) += snd-soc-ep93xx-i2s.o +obj-$(CONFIG_SND_EP93XX_SOC_AC97) += snd-soc-ep93xx-ac97.o # EP93XX Machine Support snd-soc-snappercl15-objs := snappercl15.o +snd-soc-simone-objs := simone.o obj-$(CONFIG_SND_EP93XX_SOC_SNAPPERCL15) += snd-soc-snappercl15.o +obj-$(CONFIG_SND_EP93XX_SOC_SIMONE) += snd-soc-simone.o diff --git a/sound/soc/ep93xx/ep93xx-ac97.c b/sound/soc/ep93xx/ep93xx-ac97.c new file mode 100644 index 00000000000..68a0bae1208 --- /dev/null +++ b/sound/soc/ep93xx/ep93xx-ac97.c @@ -0,0 +1,468 @@ +/* + * ASoC driver for Cirrus Logic EP93xx AC97 controller. + * + * Copyright (c) 2010 Mika Westerberg + * + * Based on s3c-ac97 ASoC driver by Jaswinder Singh. + * + * 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 <linux/io.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +#include <sound/core.h> +#include <sound/ac97_codec.h> +#include <sound/soc.h> + +#include <mach/dma.h> +#include "ep93xx-pcm.h" + +/* + * Per channel (1-4) registers. + */ +#define AC97CH(n) (((n) - 1) * 0x20) + +#define AC97DR(n) (AC97CH(n) + 0x0000) + +#define AC97RXCR(n) (AC97CH(n) + 0x0004) +#define AC97RXCR_REN BIT(0) +#define AC97RXCR_RX3 BIT(3) +#define AC97RXCR_RX4 BIT(4) +#define AC97RXCR_CM BIT(15) + +#define AC97TXCR(n) (AC97CH(n) + 0x0008) +#define AC97TXCR_TEN BIT(0) +#define AC97TXCR_TX3 BIT(3) +#define AC97TXCR_TX4 BIT(4) +#define AC97TXCR_CM BIT(15) + +#define AC97SR(n) (AC97CH(n) + 0x000c) +#define AC97SR_TXFE BIT(1) +#define AC97SR_TXUE BIT(6) + +#define AC97RISR(n) (AC97CH(n) + 0x0010) +#define AC97ISR(n) (AC97CH(n) + 0x0014) +#define AC97IE(n) (AC97CH(n) + 0x0018) + +/* + * Global AC97 controller registers. + */ +#define AC97S1DATA 0x0080 +#define AC97S2DATA 0x0084 +#define AC97S12DATA 0x0088 + +#define AC97RGIS 0x008c +#define AC97GIS 0x0090 +#define AC97IM 0x0094 +/* + * Common bits for RGIS, GIS and IM registers. + */ +#define AC97_SLOT2RXVALID BIT(1) +#define AC97_CODECREADY BIT(5) +#define AC97_SLOT2TXCOMPLETE BIT(6) + +#define AC97EOI 0x0098 +#define AC97EOI_WINT BIT(0) +#define AC97EOI_CODECREADY BIT(1) + +#define AC97GCR 0x009c +#define AC97GCR_AC97IFE BIT(0) + +#define AC97RESET 0x00a0 +#define AC97RESET_TIMEDRESET BIT(0) + +#define AC97SYNC 0x00a4 +#define AC97SYNC_TIMEDSYNC BIT(0) + +#define AC97_TIMEOUT msecs_to_jiffies(5) + +/** + * struct ep93xx_ac97_info - EP93xx AC97 controller info structure + * @lock: mutex serializing access to the bus (slot 1 & 2 ops) + * @dev: pointer to the platform device dev structure + * @mem: physical memory resource for the registers + * @regs: mapped AC97 controller registers + * @irq: AC97 interrupt number + * @done: bus ops wait here for an interrupt + */ +struct ep93xx_ac97_info { + struct mutex lock; + struct device *dev; + struct resource *mem; + void __iomem *regs; + int irq; + struct completion done; +}; + +/* currently ALSA only supports a single AC97 device */ +static struct ep93xx_ac97_info *ep93xx_ac97_info; + +static struct ep93xx_pcm_dma_params ep93xx_ac97_pcm_out = { + .name = "ac97-pcm-out", + .dma_port = EP93XX_DMA_M2P_PORT_AAC1, +}; + +static struct ep93xx_pcm_dma_params ep93xx_ac97_pcm_in = { + .name = "ac97-pcm-in", + .dma_port = EP93XX_DMA_M2P_PORT_AAC1, +}; + +static inline unsigned ep93xx_ac97_read_reg(struct ep93xx_ac97_info *info, + unsigned reg) +{ + return __raw_readl(info->regs + reg); +} + +static inline void ep93xx_ac97_write_reg(struct ep93xx_ac97_info *info, + unsigned reg, unsigned val) +{ + __raw_writel(val, info->regs + reg); +} + +static unsigned short ep93xx_ac97_read(struct snd_ac97 *ac97, + unsigned short reg) +{ + struct ep93xx_ac97_info *info = ep93xx_ac97_info; + unsigned short val; + + mutex_lock(&info->lock); + + ep93xx_ac97_write_reg(info, AC97S1DATA, reg); + ep93xx_ac97_write_reg(info, AC97IM, AC97_SLOT2RXVALID); + if (!wait_for_completion_timeout(&info->done, AC97_TIMEOUT)) { + dev_warn(info->dev, "timeout reading register %x\n", reg); + mutex_unlock(&info->lock); + return -ETIMEDOUT; + } + val = (unsigned short)ep93xx_ac97_read_reg(info, AC97S2DATA); + + mutex_unlock(&info->lock); + return val; +} + +static void ep93xx_ac97_write(struct snd_ac97 *ac97, + unsigned short reg, + unsigned short val) +{ + struct ep93xx_ac97_info *info = ep93xx_ac97_info; + + mutex_lock(&info->lock); + + /* + * Writes to the codec need to be done so that slot 2 is filled in + * before slot 1. + */ + ep93xx_ac97_write_reg(info, AC97S2DATA, val); + ep93xx_ac97_write_reg(info, AC97S1DATA, reg); + + ep93xx_ac97_write_reg(info, AC97IM, AC97_SLOT2TXCOMPLETE); + if (!wait_for_completion_timeout(&info->done, AC97_TIMEOUT)) + dev_warn(info->dev, "timeout writing register %x\n", reg); + + mutex_unlock(&info->lock); +} + +static void ep93xx_ac97_warm_reset(struct snd_ac97 *ac97) +{ + struct ep93xx_ac97_info *info = ep93xx_ac97_info; + + mutex_lock(&info->lock); + + /* + * We are assuming that before this functions gets called, the codec + * BIT_CLK is stopped by forcing the codec into powerdown mode. We can + * control the SYNC signal directly via AC97SYNC register. Using + * TIMEDSYNC the controller will keep the SYNC high > 1us. + */ + ep93xx_ac97_write_reg(info, AC97SYNC, AC97SYNC_TIMEDSYNC); + ep93xx_ac97_write_reg(info, AC97IM, AC97_CODECREADY); + if (!wait_for_completion_timeout(&info->done, AC97_TIMEOUT)) + dev_warn(info->dev, "codec warm reset timeout\n"); + + mutex_unlock(&info->lock); +} + +static void ep93xx_ac97_cold_reset(struct snd_ac97 *ac97) +{ + struct ep93xx_ac97_info *info = ep93xx_ac97_info; + + mutex_lock(&info->lock); + + /* + * For doing cold reset, we disable the AC97 controller interface, clear + * WINT and CODECREADY bits, and finally enable the interface again. + */ + ep93xx_ac97_write_reg(info, AC97GCR, 0); + ep93xx_ac97_write_reg(info, AC97EOI, AC97EOI_CODECREADY | AC97EOI_WINT); + ep93xx_ac97_write_reg(info, AC97GCR, AC97GCR_AC97IFE); + + /* + * Now, assert the reset and wait for the codec to become ready. + */ + ep93xx_ac97_write_reg(info, AC97RESET, AC97RESET_TIMEDRESET); + ep93xx_ac97_write_reg(info, AC97IM, AC97_CODECREADY); + if (!wait_for_completion_timeout(&info->done, AC97_TIMEOUT)) + dev_warn(info->dev, "codec cold reset timeout\n"); + + /* + * Give the codec some time to come fully out from the reset. This way + * we ensure that the subsequent reads/writes will work. + */ + usleep_range(15000, 20000); + + mutex_unlock(&info->lock); +} + +static irqreturn_t ep93xx_ac97_interrupt(int irq, void *dev_id) +{ + struct ep93xx_ac97_info *info = dev_id; + unsigned status, mask; + + /* + * Just mask out the interrupt and wake up the waiting thread. + * Interrupts are cleared via reading/writing to slot 1 & 2 registers by + * the waiting thread. + */ + status = ep93xx_ac97_read_reg(info, AC97GIS); + mask = ep93xx_ac97_read_reg(info, AC97IM); + mask &= ~status; + ep93xx_ac97_write_reg(info, AC97IM, mask); + + complete(&info->done); + return IRQ_HANDLED; +} + +struct snd_ac97_bus_ops soc_ac97_ops = { + .read = ep93xx_ac97_read, + .write = ep93xx_ac97_write, + .reset = ep93xx_ac97_cold_reset, + .warm_reset = ep93xx_ac97_warm_reset, +}; +EXPORT_SYMBOL_GPL(soc_ac97_ops); + +static int ep93xx_ac97_trigger(struct snd_pcm_substream *substream, + int cmd, struct snd_soc_dai *dai) +{ + struct ep93xx_ac97_info *info = snd_soc_dai_get_drvdata(dai); + unsigned v = 0; + + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + /* + * Enable compact mode, TX slots 3 & 4, and the TX FIFO + * itself. + */ + v |= AC97TXCR_CM; + v |= AC97TXCR_TX3 | AC97TXCR_TX4; + v |= AC97TXCR_TEN; + ep93xx_ac97_write_reg(info, AC97TXCR(1), v); + } else { + /* + * Enable compact mode, RX slots 3 & 4, and the RX FIFO + * itself. + */ + v |= AC97RXCR_CM; + v |= AC97RXCR_RX3 | AC97RXCR_RX4; + v |= AC97RXCR_REN; + ep93xx_ac97_write_reg(info, AC97RXCR(1), v); + } + break; + + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + /* + * As per Cirrus EP93xx errata described below: + * + * http://www.cirrus.com/en/pubs/errata/ER667E2B.pdf + * + * we will wait for the TX FIFO to be empty before + * clearing the TEN bit. + */ + unsigned long timeout = jiffies + AC97_TIMEOUT; + + do { + v = ep93xx_ac97_read_reg(info, AC97SR(1)); + if (time_after(jiffies, timeout)) { + dev_warn(info->dev, "TX timeout\n"); + break; + } + } while (!(v & (AC97SR_TXFE | AC97SR_TXUE))); + + /* disable the TX FIFO */ + ep93xx_ac97_write_reg(info, AC97TXCR(1), 0); + } else { + /* disable the RX FIFO */ + ep93xx_ac97_write_reg(info, AC97RXCR(1), 0); + } + break; + + default: + dev_warn(info->dev, "unknown command %d\n", cmd); + return -EINVAL; + } + + return 0; +} + +static int ep93xx_ac97_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct ep93xx_pcm_dma_params *dma_data; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + dma_data = &ep93xx_ac97_pcm_out; + else + dma_data = &ep93xx_ac97_pcm_in; + + snd_soc_dai_set_dma_data(dai, substream, dma_data); + return 0; +} + +static struct snd_soc_dai_ops ep93xx_ac97_dai_ops = { + .startup = ep93xx_ac97_startup, + .trigger = ep93xx_ac97_trigger, +}; + +struct snd_soc_dai_driver ep93xx_ac97_dai = { + .name = "ep93xx-ac97", + .id = 0, + .ac97_control = 1, + .playback = { + .stream_name = "AC97 Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .stream_name = "AC97 Capture", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .ops = &ep93xx_ac97_dai_ops, +}; + +static int __devinit ep93xx_ac97_probe(struct platform_device *pdev) +{ + struct ep93xx_ac97_info *info; + int ret; + + info = kzalloc(sizeof(struct ep93xx_ac97_info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + dev_set_drvdata(&pdev->dev, info); + + mutex_init(&info->lock); + init_completion(&info->done); + info->dev = &pdev->dev; + + info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!info->mem) { + ret = -ENXIO; + goto fail_free_info; + } + + info->irq = platform_get_irq(pdev, 0); + if (!info->irq) { + ret = -ENXIO; + goto fail_free_info; + } + + if (!request_mem_region(info->mem->start, resource_size(info->mem), + pdev->name)) { + ret = -EBUSY; + goto fail_free_info; + } + + info->regs = ioremap(info->mem->start, resource_size(info->mem)); + if (!info->regs) { + ret = -ENOMEM; + goto fail_release_mem; + } + + ret = request_irq(info->irq, ep93xx_ac97_interrupt, IRQF_TRIGGER_HIGH, + pdev->name, info); + if (ret) + goto fail_unmap_mem; + + ep93xx_ac97_info = info; + platform_set_drvdata(pdev, info); + + ret = snd_soc_register_dai(&pdev->dev, &ep93xx_ac97_dai); + if (ret) + goto fail_free_irq; + + return 0; + +fail_free_irq: + platform_set_drvdata(pdev, NULL); + free_irq(info->irq, info); +fail_unmap_mem: + iounmap(info->regs); +fail_release_mem: + release_mem_region(info->mem->start, resource_size(info->mem)); +fail_free_info: + kfree(info); + + return ret; +} + +static int __devexit ep93xx_ac97_remove(struct platform_device *pdev) +{ + struct ep93xx_ac97_info *info = platform_get_drvdata(pdev); + + snd_soc_unregister_dai(&pdev->dev); + + /* disable the AC97 controller */ + ep93xx_ac97_write_reg(info, AC97GCR, 0); + + free_irq(info->irq, info); + iounmap(info->regs); + release_mem_region(info->mem->start, resource_size(info->mem)); + platform_set_drvdata(pdev, NULL); + kfree(info); + + return 0; +} + +static struct platform_driver ep93xx_ac97_driver = { + .probe = ep93xx_ac97_probe, + .remove = __devexit_p(ep93xx_ac97_remove), + .driver = { + .name = "ep93xx-ac97", + .owner = THIS_MODULE, + }, +}; + +static int __init ep93xx_ac97_init(void) +{ + return platform_driver_register(&ep93xx_ac97_driver); +} +module_init(ep93xx_ac97_init); + +static void __exit ep93xx_ac97_exit(void) +{ + platform_driver_unregister(&ep93xx_ac97_driver); +} +module_exit(ep93xx_ac97_exit); + +MODULE_DESCRIPTION("EP93xx AC97 ASoC Driver"); +MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:ep93xx-ac97"); diff --git a/sound/soc/ep93xx/ep93xx-i2s.c b/sound/soc/ep93xx/ep93xx-i2s.c index 00b94663218..4f487335961 100644 --- a/sound/soc/ep93xx/ep93xx-i2s.c +++ b/sound/soc/ep93xx/ep93xx-i2s.c @@ -31,7 +31,6 @@ #include <mach/dma.h> #include "ep93xx-pcm.h" -#include "ep93xx-i2s.h" #define EP93XX_I2S_TXCLKCFG 0x00 #define EP93XX_I2S_RXCLKCFG 0x04 @@ -145,8 +144,8 @@ static int ep93xx_i2s_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct ep93xx_i2s_info *info = rtd->dai->cpu_dai->private_data; + struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(dai); + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; snd_soc_dai_set_dma_data(cpu_dai, substream, &info->dma_params[substream->stream]); @@ -156,8 +155,7 @@ static int ep93xx_i2s_startup(struct snd_pcm_substream *substream, static void ep93xx_i2s_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct ep93xx_i2s_info *info = rtd->dai->cpu_dai->private_data; + struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(dai); ep93xx_i2s_disable(info, substream->stream); } @@ -165,7 +163,7 @@ static void ep93xx_i2s_shutdown(struct snd_pcm_substream *substream, static int ep93xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) { - struct ep93xx_i2s_info *info = cpu_dai->private_data; + struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(cpu_dai); unsigned int clk_cfg, lin_ctrl; clk_cfg = ep93xx_i2s_read_reg(info, EP93XX_I2S_RXCLKCFG); @@ -242,9 +240,7 @@ static int ep93xx_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct ep93xx_i2s_info *info = cpu_dai->private_data; + struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(dai); unsigned word_len, div, sdiv, lrdiv; int found = 0, err; @@ -302,7 +298,7 @@ out: static int ep93xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, int clk_id, unsigned int freq, int dir) { - struct ep93xx_i2s_info *info = cpu_dai->private_data; + struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(cpu_dai); if (dir == SND_SOC_CLOCK_IN || clk_id != 0) return -EINVAL; @@ -313,7 +309,7 @@ static int ep93xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, int clk_id, #ifdef CONFIG_PM static int ep93xx_i2s_suspend(struct snd_soc_dai *dai) { - struct ep93xx_i2s_info *info = dai->private_data; + struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(dai); if (!dai->active) return; @@ -324,7 +320,7 @@ static int ep93xx_i2s_suspend(struct snd_soc_dai *dai) static int ep93xx_i2s_resume(struct snd_soc_dai *dai) { - struct ep93xx_i2s_info *info = dai->private_data; + struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(dai); if (!dai->active) return; @@ -349,9 +345,7 @@ static struct snd_soc_dai_ops ep93xx_i2s_dai_ops = { SNDRV_PCM_FMTBIT_S24_LE | \ SNDRV_PCM_FMTBIT_S32_LE) -struct snd_soc_dai ep93xx_i2s_dai = { - .name = "ep93xx-i2s", - .id = 0, +static struct snd_soc_dai_driver ep93xx_i2s_dai = { .symmetric_rates= 1, .suspend = ep93xx_i2s_suspend, .resume = ep93xx_i2s_resume, @@ -369,7 +363,6 @@ struct snd_soc_dai ep93xx_i2s_dai = { }, .ops = &ep93xx_i2s_dai_ops, }; -EXPORT_SYMBOL_GPL(ep93xx_i2s_dai); static int ep93xx_i2s_probe(struct platform_device *pdev) { @@ -383,8 +376,7 @@ static int ep93xx_i2s_probe(struct platform_device *pdev) goto fail; } - ep93xx_i2s_dai.dev = &pdev->dev; - ep93xx_i2s_dai.private_data = info; + dev_set_drvdata(&pdev->dev, info); info->dma_params = ep93xx_i2s_dma_params; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -424,7 +416,7 @@ static int ep93xx_i2s_probe(struct platform_device *pdev) goto fail_put_sclk; } - err = snd_soc_register_dai(&ep93xx_i2s_dai); + err = snd_soc_register_dai(&pdev->dev, &ep93xx_i2s_dai); if (err) goto fail_put_lrclk; @@ -447,9 +439,9 @@ fail: static int __devexit ep93xx_i2s_remove(struct platform_device *pdev) { - struct ep93xx_i2s_info *info = ep93xx_i2s_dai.private_data; + struct ep93xx_i2s_info *info = dev_get_drvdata(&pdev->dev); - snd_soc_unregister_dai(&ep93xx_i2s_dai); + snd_soc_unregister_dai(&pdev->dev); clk_put(info->lrclk); clk_put(info->sclk); clk_put(info->mclk); diff --git a/sound/soc/ep93xx/ep93xx-i2s.h b/sound/soc/ep93xx/ep93xx-i2s.h deleted file mode 100644 index 3bd4ebfaa1d..00000000000 --- a/sound/soc/ep93xx/ep93xx-i2s.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * linux/sound/soc/ep93xx-i2s.h - * EP93xx I2S driver - * - * Copyright (C) 2010 Ryan Mallon <ryan@bluewatersys.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 _EP93XX_SND_SOC_I2S_H -#define _EP93XX_SND_SOC_I2S_H - -extern struct snd_soc_dai ep93xx_i2s_dai; - -#endif /* _EP93XX_SND_SOC_I2S_H */ diff --git a/sound/soc/ep93xx/ep93xx-pcm.c b/sound/soc/ep93xx/ep93xx-pcm.c index 4ba93840079..2f121ddbe4b 100644 --- a/sound/soc/ep93xx/ep93xx-pcm.c +++ b/sound/soc/ep93xx/ep93xx-pcm.c @@ -95,7 +95,7 @@ static void ep93xx_pcm_buffer_finished(void *cookie, static int ep93xx_pcm_open(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *soc_rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = soc_rtd->dai->cpu_dai; + struct snd_soc_dai *cpu_dai = soc_rtd->cpu_dai; struct ep93xx_pcm_dma_params *dma_params; struct ep93xx_runtime_data *rtd; int ret; @@ -276,14 +276,14 @@ static int ep93xx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai, if (!card->dev->coherent_dma_mask) card->dev->coherent_dma_mask = 0xffffffff; - if (dai->playback.channels_min) { + if (dai->driver->playback.channels_min) { ret = ep93xx_pcm_preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_PLAYBACK); if (ret) return ret; } - if (dai->capture.channels_min) { + if (dai->driver->capture.channels_min) { ret = ep93xx_pcm_preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_CAPTURE); if (ret) @@ -293,22 +293,41 @@ static int ep93xx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai, return 0; } -struct snd_soc_platform ep93xx_soc_platform = { - .name = "ep93xx-audio", - .pcm_ops = &ep93xx_pcm_ops, +static struct snd_soc_platform_driver ep93xx_soc_platform = { + .ops = &ep93xx_pcm_ops, .pcm_new = &ep93xx_pcm_new, .pcm_free = &ep93xx_pcm_free_dma_buffers, }; -EXPORT_SYMBOL_GPL(ep93xx_soc_platform); + +static int __devinit ep93xx_soc_platform_probe(struct platform_device *pdev) +{ + return snd_soc_register_platform(&pdev->dev, &ep93xx_soc_platform); +} + +static int __devexit ep93xx_soc_platform_remove(struct platform_device *pdev) +{ + snd_soc_unregister_platform(&pdev->dev); + return 0; +} + +static struct platform_driver ep93xx_pcm_driver = { + .driver = { + .name = "ep93xx-pcm-audio", + .owner = THIS_MODULE, + }, + + .probe = ep93xx_soc_platform_probe, + .remove = __devexit_p(ep93xx_soc_platform_remove), +}; static int __init ep93xx_soc_platform_init(void) { - return snd_soc_register_platform(&ep93xx_soc_platform); + return platform_driver_register(&ep93xx_pcm_driver); } static void __exit ep93xx_soc_platform_exit(void) { - snd_soc_unregister_platform(&ep93xx_soc_platform); + platform_driver_unregister(&ep93xx_pcm_driver); } module_init(ep93xx_soc_platform_init); diff --git a/sound/soc/ep93xx/ep93xx-pcm.h b/sound/soc/ep93xx/ep93xx-pcm.h index 4ffdd3f62fe..111e1121ecb 100644 --- a/sound/soc/ep93xx/ep93xx-pcm.h +++ b/sound/soc/ep93xx/ep93xx-pcm.h @@ -17,6 +17,4 @@ struct ep93xx_pcm_dma_params { int dma_port; }; -extern struct snd_soc_platform ep93xx_soc_platform; - #endif /* _EP93XX_SND_SOC_PCM_H */ diff --git a/sound/soc/ep93xx/simone.c b/sound/soc/ep93xx/simone.c new file mode 100644 index 00000000000..4b0d1991372 --- /dev/null +++ b/sound/soc/ep93xx/simone.c @@ -0,0 +1,89 @@ +/* + * simone.c -- ASoC audio for Simplemachines Sim.One board + * + * Copyright (c) 2010 Mika Westerberg + * + * Based on snappercl15 machine driver by Ryan Mallon. + * + * 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/init.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> + +#include "ep93xx-pcm.h" + +static struct snd_soc_dai_link simone_dai = { + .name = "AC97", + .stream_name = "AC97 HiFi", + .cpu_dai_name = "ep93xx-ac97", + .codec_dai_name = "ac97-hifi", + .codec_name = "ac97-codec", + .platform_name = "ep93xx-pcm-audio", +}; + +static struct snd_soc_card snd_soc_simone = { + .name = "Sim.One", + .dai_link = &simone_dai, + .num_links = 1, +}; + +static struct platform_device *simone_snd_ac97_device; +static struct platform_device *simone_snd_device; + +static int __init simone_init(void) +{ + int ret; + + if (!machine_is_sim_one()) + return -ENODEV; + + simone_snd_ac97_device = platform_device_alloc("ac97-codec", -1); + if (!simone_snd_ac97_device) + return -ENOMEM; + + ret = platform_device_add(simone_snd_ac97_device); + if (ret) + goto fail; + + simone_snd_device = platform_device_alloc("soc-audio", -1); + if (!simone_snd_device) { + ret = -ENOMEM; + goto fail; + } + + platform_set_drvdata(simone_snd_device, &snd_soc_simone); + ret = platform_device_add(simone_snd_device); + if (ret) { + platform_device_put(simone_snd_device); + goto fail; + } + + return ret; + +fail: + platform_device_put(simone_snd_ac97_device); + return ret; +} +module_init(simone_init); + +static void __exit simone_exit(void) +{ + platform_device_unregister(simone_snd_device); + platform_device_unregister(simone_snd_ac97_device); +} +module_exit(simone_exit); + +MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One"); +MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/ep93xx/snappercl15.c b/sound/soc/ep93xx/snappercl15.c index 64955340ff7..28ab5ff772a 100644 --- a/sound/soc/ep93xx/snappercl15.c +++ b/sound/soc/ep93xx/snappercl15.c @@ -22,7 +22,6 @@ #include "../codecs/tlv320aic23.h" #include "ep93xx-pcm.h" -#include "ep93xx-i2s.h" #define CODEC_CLOCK 5644800 @@ -30,8 +29,8 @@ static int snappercl15_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; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; int err; err = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | @@ -77,8 +76,10 @@ static const struct snd_soc_dapm_route audio_map[] = { {"MICIN", NULL, "Mic Jack"}, }; -static int snappercl15_tlv320aic23_init(struct snd_soc_codec *codec) +static int snappercl15_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd) { + struct snd_soc_codec *codec = rtd->codec; + snd_soc_dapm_new_controls(codec, tlv320aic23_dapm_widgets, ARRAY_SIZE(tlv320aic23_dapm_widgets)); @@ -89,24 +90,20 @@ static int snappercl15_tlv320aic23_init(struct snd_soc_codec *codec) static struct snd_soc_dai_link snappercl15_dai = { .name = "tlv320aic23", .stream_name = "AIC23", - .cpu_dai = &ep93xx_i2s_dai, - .codec_dai = &tlv320aic23_dai, + .cpu_dai_name = "ep93xx-i2s", + .codec_dai_name = "tlv320aic23-hifi", + .codec_name = "tlv320aic23-codec.0-001a", + .platform_name = "ep93xx-pcm-audio", .init = snappercl15_tlv320aic23_init, .ops = &snappercl15_ops, }; static struct snd_soc_card snd_soc_snappercl15 = { .name = "Snapper CL15", - .platform = &ep93xx_soc_platform, .dai_link = &snappercl15_dai, .num_links = 1, }; -static struct snd_soc_device snappercl15_snd_devdata = { - .card = &snd_soc_snappercl15, - .codec_dev = &soc_codec_dev_tlv320aic23, -}; - static struct platform_device *snappercl15_snd_device; static int __init snappercl15_init(void) @@ -126,8 +123,7 @@ static int __init snappercl15_init(void) if (!snappercl15_snd_device) return -ENOMEM; - platform_set_drvdata(snappercl15_snd_device, &snappercl15_snd_devdata); - snappercl15_snd_devdata.dev = &snappercl15_snd_device->dev; + platform_set_drvdata(snappercl15_snd_device, &snd_soc_snappercl15); ret = platform_device_add(snappercl15_snd_device); if (ret) platform_device_put(snappercl15_snd_device); |