diff options
| -rw-r--r-- | arch/arm/mach-at91/at91sam9260_devices.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-at91/board-sam9g20ek.c | 17 | ||||
| -rw-r--r-- | drivers/misc/atmel-ssc.c | 65 | ||||
| -rw-r--r-- | sound/soc/atmel/sam9g20_wm8731.c | 51 |
4 files changed, 67 insertions, 75 deletions
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index aa1e587..46edfaf 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -768,6 +768,14 @@ static inline void configure_ssc_pins(unsigned pins) at91_set_A_periph(AT91_PIN_PB21, 1); } +static struct platform_device at91sam9260_ssc_dai_device = { + .name = "atmel-ssc-dai", + .id = 0, + .dev = { + .parent = &(at91sam9260_ssc_device.dev), + }, +}; + /* * SSC controllers are accessed through library code, instead of any * kind of all-singing/all-dancing driver. For example one could be @@ -792,6 +800,7 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) } platform_device_register(pdev); + platform_device_register(&at91sam9260_ssc_dai_device); } #else diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c index 3ab2b86..5b6a6f9 100644 --- a/arch/arm/mach-at91/board-sam9g20ek.c +++ b/arch/arm/mach-at91/board-sam9g20ek.c @@ -353,6 +353,22 @@ static struct i2c_board_info __initdata ek_i2c_devices[] = { }, }; +static struct platform_device sam9g20ek_pcm_device = { + .name = "atmel-pcm-audio", + .id = -1, +}; + +static struct platform_device sam9g20ek_audio_device = { + .name = "at91sam9g20ek-audio", + .id = -1, +}; + +static void __init ek_add_device_audio(void) +{ + platform_device_register(&sam9g20ek_pcm_device); + platform_device_register(&sam9g20ek_audio_device); +} + static void __init ek_board_init(void) { @@ -394,6 +410,7 @@ static void __init ek_board_init(void) at91_set_B_periph(AT91_PIN_PC1, 0); /* SSC (for WM8731) */ at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX); + ek_add_device_audio(); } MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK") diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c index 5bb1877..ac00f83 100644 --- a/drivers/misc/atmel-ssc.c +++ b/drivers/misc/atmel-ssc.c @@ -68,39 +68,35 @@ void ssc_free(struct ssc_device *ssc) } EXPORT_SYMBOL(ssc_free); -static int __init ssc_probe(struct platform_device *pdev) +static int ssc_probe(struct platform_device *pdev) { - int retval = 0; struct resource *regs; struct ssc_device *ssc; - ssc = kzalloc(sizeof(struct ssc_device), GFP_KERNEL); + ssc = devm_kzalloc(&pdev->dev, sizeof(struct ssc_device), GFP_KERNEL); if (!ssc) { dev_dbg(&pdev->dev, "out of memory\n"); - retval = -ENOMEM; - goto out; + return -ENOMEM; } + ssc->pdev = pdev; + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!regs) { dev_dbg(&pdev->dev, "no mmio resource defined\n"); - retval = -ENXIO; - goto out_free; - } - - ssc->clk = clk_get(&pdev->dev, "pclk"); - if (IS_ERR(ssc->clk)) { - dev_dbg(&pdev->dev, "no pclk clock defined\n"); - retval = -ENXIO; - goto out_free; + return -ENXIO; } - ssc->pdev = pdev; - ssc->regs = ioremap(regs->start, resource_size(regs)); + ssc->regs = devm_request_and_ioremap(&pdev->dev, regs); if (!ssc->regs) { dev_dbg(&pdev->dev, "ioremap failed\n"); - retval = -EINVAL; - goto out_clk; + return -EINVAL; + } + + ssc->clk = devm_clk_get(&pdev->dev, "pclk"); + if (IS_ERR(ssc->clk)) { + dev_dbg(&pdev->dev, "no pclk clock defined\n"); + return -ENXIO; } /* disable all interrupts */ @@ -112,8 +108,7 @@ static int __init ssc_probe(struct platform_device *pdev) ssc->irq = platform_get_irq(pdev, 0); if (!ssc->irq) { dev_dbg(&pdev->dev, "could not get irq\n"); - retval = -ENXIO; - goto out_unmap; + return -ENXIO; } spin_lock(&user_lock); @@ -125,16 +120,7 @@ static int __init ssc_probe(struct platform_device *pdev) dev_info(&pdev->dev, "Atmel SSC device at 0x%p (irq %d)\n", ssc->regs, ssc->irq); - goto out; - -out_unmap: - iounmap(ssc->regs); -out_clk: - clk_put(ssc->clk); -out_free: - kfree(ssc); -out: - return retval; + return 0; } static int __devexit ssc_remove(struct platform_device *pdev) @@ -142,34 +128,21 @@ static int __devexit ssc_remove(struct platform_device *pdev) struct ssc_device *ssc = platform_get_drvdata(pdev); spin_lock(&user_lock); - iounmap(ssc->regs); - clk_put(ssc->clk); list_del(&ssc->list); - kfree(ssc); spin_unlock(&user_lock); return 0; } static struct platform_driver ssc_driver = { - .remove = __devexit_p(ssc_remove), .driver = { .name = "ssc", .owner = THIS_MODULE, }, + .probe = ssc_probe, + .remove = __devexit_p(ssc_remove), }; - -static int __init ssc_init(void) -{ - return platform_driver_probe(&ssc_driver, ssc_probe); -} -module_init(ssc_init); - -static void __exit ssc_exit(void) -{ - platform_driver_unregister(&ssc_driver); -} -module_exit(ssc_exit); +module_platform_driver(ssc_driver); MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); MODULE_DESCRIPTION("SSC driver for Atmel AVR32 and AT91"); diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c index c883514..228ca6a 100644 --- a/sound/soc/atmel/sam9g20_wm8731.c +++ b/sound/soc/atmel/sam9g20_wm8731.c @@ -195,22 +195,15 @@ static struct snd_soc_card snd_soc_at91sam9g20ek = { .set_bias_level = at91sam9g20ek_set_bias_level, }; -static struct platform_device *at91sam9g20ek_snd_device; - -static int __init at91sam9g20ek_init(void) +static int __devinit at91sam9g20ek_audio_probe(struct platform_device *pdev) { struct clk *pllb; + struct snd_soc_card *card = &snd_soc_at91sam9g20ek; int ret; if (!(machine_is_at91sam9g20ek() || machine_is_at91sam9g20ek_2mmc())) return -ENODEV; - ret = atmel_ssc_set_audio(0); - if (ret != 0) { - pr_err("Failed to set SSC 0 for audio: %d\n", ret); - return ret; - } - /* * Codec MCLK is supplied by PCK0 - set it up. */ @@ -236,26 +229,14 @@ static int __init at91sam9g20ek_init(void) clk_set_rate(mclk, MCLK_RATE); - at91sam9g20ek_snd_device = platform_device_alloc("soc-audio", -1); - if (!at91sam9g20ek_snd_device) { - printk(KERN_ERR "ASoC: Platform device allocation failed\n"); - ret = -ENOMEM; - goto err_mclk; - } - - platform_set_drvdata(at91sam9g20ek_snd_device, - &snd_soc_at91sam9g20ek); - - ret = platform_device_add(at91sam9g20ek_snd_device); + card->dev = &pdev->dev; + ret = snd_soc_register_card(card); if (ret) { - printk(KERN_ERR "ASoC: Platform device allocation failed\n"); - goto err_device_add; + printk(KERN_ERR "ASoC: snd_soc_register_card() failed\n"); } return ret; -err_device_add: - platform_device_put(at91sam9g20ek_snd_device); err_mclk: clk_put(mclk); mclk = NULL; @@ -263,18 +244,30 @@ err: return ret; } -static void __exit at91sam9g20ek_exit(void) +static int __devexit at91sam9g20ek_audio_remove(struct platform_device *pdev) { - platform_device_unregister(at91sam9g20ek_snd_device); - at91sam9g20ek_snd_device = NULL; + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); clk_put(mclk); mclk = NULL; + + return 0; } -module_init(at91sam9g20ek_init); -module_exit(at91sam9g20ek_exit); +static struct platform_driver at91sam9g20ek_audio_driver = { + .driver = { + .name = "at91sam9g20ek-audio", + .owner = THIS_MODULE, + }, + .probe = at91sam9g20ek_audio_probe, + .remove = __devexit_p(at91sam9g20ek_audio_remove), +}; + +module_platform_driver(at91sam9g20ek_audio_driver); /* Module information */ MODULE_AUTHOR("Sedji Gaouaou <sedji.gaouaou@atmel.com>"); MODULE_DESCRIPTION("ALSA SoC AT91SAM9G20EK_WM8731"); +MODULE_ALIAS("platform:at91sam9g20ek-audio"); MODULE_LICENSE("GPL"); |
