diff options
Diffstat (limited to 'sound/soc/imx/imx-ssi.c')
-rw-r--r-- | sound/soc/imx/imx-ssi.c | 148 |
1 files changed, 67 insertions, 81 deletions
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c index 50f5162..02a3e7c 100644 --- a/sound/soc/imx/imx-ssi.c +++ b/sound/soc/imx/imx-ssi.c @@ -61,7 +61,7 @@ static int imx_ssi_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { - struct imx_ssi *ssi = cpu_dai->private_data; + struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); u32 sccr; sccr = readl(ssi->base + SSI_STCCR); @@ -86,7 +86,7 @@ static int imx_ssi_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, */ static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) { - struct imx_ssi *ssi = cpu_dai->private_data; + struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); u32 strcr = 0, scr; scr = readl(ssi->base + SSI_SCR) & ~(SSI_SCR_SYN | SSI_SCR_NET); @@ -164,7 +164,7 @@ static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) static int imx_ssi_set_dai_sysclk(struct snd_soc_dai *cpu_dai, int clk_id, unsigned int freq, int dir) { - struct imx_ssi *ssi = cpu_dai->private_data; + struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); u32 scr; scr = readl(ssi->base + SSI_SCR); @@ -192,7 +192,7 @@ static int imx_ssi_set_dai_sysclk(struct snd_soc_dai *cpu_dai, static int imx_ssi_set_dai_clkdiv(struct snd_soc_dai *cpu_dai, int div_id, int div) { - struct imx_ssi *ssi = cpu_dai->private_data; + struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); u32 stccr, srccr; stccr = readl(ssi->base + SSI_STCCR); @@ -241,7 +241,7 @@ static int imx_ssi_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *cpu_dai) { - struct imx_ssi *ssi = cpu_dai->private_data; + struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); struct imx_pcm_dma_params *dma_data; u32 reg, sccr; @@ -279,9 +279,7 @@ static int imx_ssi_hw_params(struct snd_pcm_substream *substream, static int imx_ssi_trigger(struct snd_pcm_substream *substream, int cmd, 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 imx_ssi *ssi = cpu_dai->private_data; + struct imx_ssi *ssi = snd_soc_dai_get_drvdata(dai); unsigned int sier_bits, sier; unsigned int scr; @@ -350,22 +348,6 @@ static struct snd_soc_dai_ops imx_ssi_pcm_dai_ops = { .trigger = imx_ssi_trigger, }; -static struct snd_soc_dai imx_ssi_dai = { - .playback = { - .channels_min = 2, - .channels_max = 2, - .rates = SNDRV_PCM_RATE_8000_96000, - .formats = SNDRV_PCM_FMTBIT_S16_LE, - }, - .capture = { - .channels_min = 2, - .channels_max = 2, - .rates = SNDRV_PCM_RATE_8000_96000, - .formats = SNDRV_PCM_FMTBIT_S16_LE, - }, - .ops = &imx_ssi_pcm_dai_ops, -}; - int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma) { @@ -381,6 +363,7 @@ int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, runtime->dma_bytes); return ret; } +EXPORT_SYMBOL_GPL(snd_imx_pcm_mmap); static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) { @@ -412,14 +395,14 @@ int imx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai, card->dev->dma_mask = &imx_pcm_dmamask; if (!card->dev->coherent_dma_mask) card->dev->coherent_dma_mask = DMA_BIT_MASK(32); - if (dai->playback.channels_min) { + if (dai->driver->playback.channels_min) { ret = imx_pcm_preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_PLAYBACK); if (ret) goto out; } - if (dai->capture.channels_min) { + if (dai->driver->capture.channels_min) { ret = imx_pcm_preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_CAPTURE); if (ret) @@ -429,6 +412,7 @@ int imx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai, out: return ret; } +EXPORT_SYMBOL_GPL(imx_pcm_new); void imx_pcm_free(struct snd_pcm *pcm) { @@ -450,14 +434,40 @@ void imx_pcm_free(struct snd_pcm *pcm) buf->area = NULL; } } +EXPORT_SYMBOL_GPL(imx_pcm_free); -struct snd_soc_platform imx_soc_platform = { - .name = "imx-audio", +static struct snd_soc_dai_driver imx_ssi_dai = { + .playback = { + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_96000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_96000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .ops = &imx_ssi_pcm_dai_ops, }; -EXPORT_SYMBOL_GPL(imx_soc_platform); -static struct snd_soc_dai imx_ac97_dai = { - .name = "AC97", +static int imx_ssi_dai_probe(struct snd_soc_dai *dai) +{ + struct imx_ssi *ssi = dev_get_drvdata(dai->dev); + uint32_t val; + + snd_soc_dai_set_drvdata(dai, ssi); + + val = SSI_SFCSR_TFWM0(ssi->dma_params_tx.burstsize) | + SSI_SFCSR_RFWM0(ssi->dma_params_rx.burstsize); + writel(val, ssi->base + SSI_SFCSR); + + return 0; +} + +static struct snd_soc_dai_driver imx_ac97_dai = { + .probe = imx_ssi_dai_probe, .ac97_control = 1, .playback = { .stream_name = "AC97 Playback", @@ -577,25 +587,18 @@ struct snd_ac97_bus_ops soc_ac97_ops = { }; EXPORT_SYMBOL_GPL(soc_ac97_ops); -struct snd_soc_dai imx_ssi_pcm_dai[2]; -EXPORT_SYMBOL_GPL(imx_ssi_pcm_dai); - static int imx_ssi_probe(struct platform_device *pdev) { struct resource *res; struct imx_ssi *ssi; struct imx_ssi_platform_data *pdata = pdev->dev.platform_data; - struct snd_soc_platform *platform; int ret = 0; - unsigned int val; - struct snd_soc_dai *dai = &imx_ssi_pcm_dai[pdev->id]; - - if (dai->id >= ARRAY_SIZE(imx_ssi_pcm_dai)) - return -EINVAL; + struct snd_soc_dai_driver *dai; ssi = kzalloc(sizeof(*ssi), GFP_KERNEL); if (!ssi) return -ENOMEM; + dev_set_drvdata(&pdev->dev, ssi); if (pdata) { ssi->ac97_reset = pdata->ac97_reset; @@ -640,9 +643,9 @@ static int imx_ssi_probe(struct platform_device *pdev) } ac97_ssi = ssi; setup_channel_to_ac97(ssi); - memcpy(dai, &imx_ac97_dai, sizeof(imx_ac97_dai)); + dai = &imx_ac97_dai; } else - memcpy(dai, &imx_ssi_dai, sizeof(imx_ssi_dai)); + dai = &imx_ssi_dai; writel(0x0, ssi->base + SSI_SIER); @@ -657,37 +660,36 @@ static int imx_ssi_probe(struct platform_device *pdev) if (res) ssi->dma_params_rx.dma = res->start; - dai->id = pdev->id; - dai->dev = &pdev->dev; - dai->name = kasprintf(GFP_KERNEL, "imx-ssi.%d", pdev->id); - dai->private_data = ssi; - if ((cpu_is_mx27() || cpu_is_mx21()) && !(ssi->flags & IMX_SSI_USE_AC97) && (ssi->flags & IMX_SSI_DMA)) { ssi->flags |= IMX_SSI_DMA; - platform = imx_ssi_dma_mx2_init(pdev, ssi); - } else - platform = imx_ssi_fiq_init(pdev, ssi); - - imx_soc_platform.pcm_ops = platform->pcm_ops; - imx_soc_platform.pcm_new = platform->pcm_new; - imx_soc_platform.pcm_free = platform->pcm_free; + } - val = SSI_SFCSR_TFWM0(ssi->dma_params_tx.burstsize) | - SSI_SFCSR_RFWM0(ssi->dma_params_rx.burstsize); - writel(val, ssi->base + SSI_SFCSR); + platform_set_drvdata(pdev, ssi); - ret = snd_soc_register_dai(dai); + ret = snd_soc_register_dai(&pdev->dev, dai); if (ret) { dev_err(&pdev->dev, "register DAI failed\n"); goto failed_register; } - platform_set_drvdata(pdev, ssi); + ssi->soc_platform_pdev = platform_device_alloc("imx-fiq-pcm-audio", pdev->id); + if (!ssi->soc_platform_pdev) + goto failed_pdev_alloc; + platform_set_drvdata(ssi->soc_platform_pdev, ssi); + ret = platform_device_add(ssi->soc_platform_pdev); + if (ret) { + dev_err(&pdev->dev, "failed to add platform device\n"); + goto failed_pdev_add; + } return 0; +failed_pdev_add: + platform_device_put(ssi->soc_platform_pdev); +failed_pdev_alloc: + snd_soc_unregister_dai(&pdev->dev); failed_register: failed_ac97: iounmap(ssi->base); @@ -706,16 +708,15 @@ static int __devexit imx_ssi_remove(struct platform_device *pdev) { struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); struct imx_ssi *ssi = platform_get_drvdata(pdev); - struct snd_soc_dai *dai = &imx_ssi_pcm_dai[pdev->id]; - snd_soc_unregister_dai(dai); + platform_device_del(ssi->soc_platform_pdev); + platform_device_put(ssi->soc_platform_pdev); + + snd_soc_unregister_dai(&pdev->dev); if (ssi->flags & IMX_SSI_USE_AC97) ac97_ssi = NULL; - if (!(ssi->flags & IMX_SSI_DMA)) - imx_ssi_fiq_exit(pdev, ssi); - iounmap(ssi->base); release_mem_region(res->start, resource_size(res)); clk_disable(ssi->clk); @@ -730,34 +731,19 @@ static struct platform_driver imx_ssi_driver = { .remove = __devexit_p(imx_ssi_remove), .driver = { - .name = DRV_NAME, + .name = "imx-ssi-dai", .owner = THIS_MODULE, }, }; static int __init imx_ssi_init(void) { - int ret; - - ret = snd_soc_register_platform(&imx_soc_platform); - if (ret) { - pr_err("failed to register soc platform: %d\n", ret); - return ret; - } - - ret = platform_driver_register(&imx_ssi_driver); - if (ret) { - snd_soc_unregister_platform(&imx_soc_platform); - return ret; - } - - return 0; + return platform_driver_register(&imx_ssi_driver); } static void __exit imx_ssi_exit(void) { platform_driver_unregister(&imx_ssi_driver); - snd_soc_unregister_platform(&imx_soc_platform); } module_init(imx_ssi_init); |