diff options
Diffstat (limited to 'sound/soc/samsung/i2s.c')
| -rw-r--r-- | sound/soc/samsung/i2s.c | 482 |
1 files changed, 357 insertions, 125 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 87a874dc7a3..2ac76fa3e74 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -3,7 +3,7 @@ * ALSA SoC Audio Layer - Samsung I2S Controller driver * * Copyright (c) 2010 Samsung Electronics Co. Ltd. - * Jaswinder Singh <jassi.brar@samsung.com> + * Jaswinder Singh <jassisinghbrar@gmail.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 @@ -15,12 +15,14 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/of.h> +#include <linux/of_gpio.h> #include <linux/pm_runtime.h> #include <sound/soc.h> #include <sound/pcm_params.h> -#include <plat/audio.h> +#include <linux/platform_data/asoc-s3c.h> #include "dma.h" #include "idma.h" @@ -29,6 +31,16 @@ #define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t) +enum samsung_dai_type { + TYPE_PRI, + TYPE_SEC, +}; + +struct samsung_i2s_dai_data { + int dai_type; + u32 quirks; +}; + struct i2s_dai { /* Platform device for this DAI */ struct platform_device *pdev; @@ -49,8 +61,6 @@ struct i2s_dai { struct clk *clk; /* Clock for generating I2S signals */ struct clk *op_clk; - /* Array of clock names for op_clk */ - const char **src_clk; /* Pointer to the Primary_Fifo if this is Sec_Fifo, NULL otherwise */ struct i2s_dai *pri_dai; /* Pointer to the Secondary_Fifo if it has one, NULL otherwise */ @@ -68,6 +78,7 @@ struct i2s_dai { u32 suspend_i2smod; u32 suspend_i2scon; u32 suspend_i2spsr; + unsigned long gpios[7]; /* i2s gpio line numbers */ }; /* Lock for cross i/f checks */ @@ -186,7 +197,13 @@ static inline bool is_manager(struct i2s_dai *i2s) /* Read RCLK of I2S (in multiples of LRCLK) */ static inline unsigned get_rfs(struct i2s_dai *i2s) { - u32 rfs = (readl(i2s->addr + I2SMOD) >> 3) & 0x3; + u32 rfs; + + if (i2s->quirks & QUIRK_SUPPORTS_TDM) + rfs = readl(i2s->addr + I2SMOD) >> EXYNOS5420_MOD_RCLK_SHIFT; + else + rfs = (readl(i2s->addr + I2SMOD) >> MOD_RCLK_SHIFT); + rfs &= MOD_RCLK_MASK; switch (rfs) { case 3: return 768; @@ -200,21 +217,26 @@ static inline unsigned get_rfs(struct i2s_dai *i2s) static inline void set_rfs(struct i2s_dai *i2s, unsigned rfs) { u32 mod = readl(i2s->addr + I2SMOD); + int rfs_shift; - mod &= ~MOD_RCLK_MASK; + if (i2s->quirks & QUIRK_SUPPORTS_TDM) + rfs_shift = EXYNOS5420_MOD_RCLK_SHIFT; + else + rfs_shift = MOD_RCLK_SHIFT; + mod &= ~(MOD_RCLK_MASK << rfs_shift); switch (rfs) { case 768: - mod |= MOD_RCLK_768FS; + mod |= (MOD_RCLK_768FS << rfs_shift); break; case 512: - mod |= MOD_RCLK_512FS; + mod |= (MOD_RCLK_512FS << rfs_shift); break; case 384: - mod |= MOD_RCLK_384FS; + mod |= (MOD_RCLK_384FS << rfs_shift); break; default: - mod |= MOD_RCLK_256FS; + mod |= (MOD_RCLK_256FS << rfs_shift); break; } @@ -224,9 +246,22 @@ static inline void set_rfs(struct i2s_dai *i2s, unsigned rfs) /* Read Bit-Clock of I2S (in multiples of LRCLK) */ static inline unsigned get_bfs(struct i2s_dai *i2s) { - u32 bfs = (readl(i2s->addr + I2SMOD) >> 1) & 0x3; + u32 bfs; + + if (i2s->quirks & QUIRK_SUPPORTS_TDM) { + bfs = readl(i2s->addr + I2SMOD) >> EXYNOS5420_MOD_BCLK_SHIFT; + bfs &= EXYNOS5420_MOD_BCLK_MASK; + } else { + bfs = readl(i2s->addr + I2SMOD) >> MOD_BCLK_SHIFT; + bfs &= MOD_BCLK_MASK; + } switch (bfs) { + case 8: return 256; + case 7: return 192; + case 6: return 128; + case 5: return 96; + case 4: return 64; case 3: return 24; case 2: return 16; case 1: return 48; @@ -238,21 +273,50 @@ static inline unsigned get_bfs(struct i2s_dai *i2s) static inline void set_bfs(struct i2s_dai *i2s, unsigned bfs) { u32 mod = readl(i2s->addr + I2SMOD); + int bfs_shift; + int tdm = i2s->quirks & QUIRK_SUPPORTS_TDM; + + if (i2s->quirks & QUIRK_SUPPORTS_TDM) { + bfs_shift = EXYNOS5420_MOD_BCLK_SHIFT; + mod &= ~(EXYNOS5420_MOD_BCLK_MASK << bfs_shift); + } else { + bfs_shift = MOD_BCLK_SHIFT; + mod &= ~(MOD_BCLK_MASK << bfs_shift); + } - mod &= ~MOD_BCLK_MASK; + /* Non-TDM I2S controllers do not support BCLK > 48 * FS */ + if (!tdm && bfs > 48) { + dev_err(&i2s->pdev->dev, "Unsupported BCLK divider\n"); + return; + } switch (bfs) { case 48: - mod |= MOD_BCLK_48FS; + mod |= (MOD_BCLK_48FS << bfs_shift); break; case 32: - mod |= MOD_BCLK_32FS; + mod |= (MOD_BCLK_32FS << bfs_shift); break; case 24: - mod |= MOD_BCLK_24FS; + mod |= (MOD_BCLK_24FS << bfs_shift); break; case 16: - mod |= MOD_BCLK_16FS; + mod |= (MOD_BCLK_16FS << bfs_shift); + break; + case 64: + mod |= (EXYNOS5420_MOD_BCLK_64FS << bfs_shift); + break; + case 96: + mod |= (EXYNOS5420_MOD_BCLK_96FS << bfs_shift); + break; + case 128: + mod |= (EXYNOS5420_MOD_BCLK_128FS << bfs_shift); + break; + case 192: + mod |= (EXYNOS5420_MOD_BCLK_192FS << bfs_shift); + break; + case 256: + mod |= (EXYNOS5420_MOD_BCLK_256FS << bfs_shift); break; default: dev_err(&i2s->pdev->dev, "Wrong BCLK Divider!\n"); @@ -387,6 +451,10 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, u32 mod = readl(i2s->addr + I2SMOD); switch (clk_id) { + case SAMSUNG_I2S_OPCLK: + mod &= ~MOD_OPCLK_MASK; + mod |= dir; + break; case SAMSUNG_I2S_CDCLK: /* Shouldn't matter in GATING(CLOCK_IN) mode */ if (dir == SND_SOC_CLOCK_IN) @@ -420,10 +488,10 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, clk_id = 1; if (!any_active(i2s)) { - if (i2s->op_clk) { + if (i2s->op_clk && !IS_ERR(i2s->op_clk)) { if ((clk_id && !(mod & MOD_IMS_SYSMUX)) || (!clk_id && (mod & MOD_IMS_SYSMUX))) { - clk_disable(i2s->op_clk); + clk_disable_unprepare(i2s->op_clk); clk_put(i2s->op_clk); } else { i2s->rclk_srcrate = @@ -432,9 +500,17 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, } } - i2s->op_clk = clk_get(&i2s->pdev->dev, - i2s->src_clk[clk_id]); - clk_enable(i2s->op_clk); + if (clk_id) + i2s->op_clk = clk_get(&i2s->pdev->dev, + "i2s_opclk1"); + else + i2s->op_clk = clk_get(&i2s->pdev->dev, + "i2s_opclk0"); + + if (WARN_ON(IS_ERR(i2s->op_clk))) + return PTR_ERR(i2s->op_clk); + + clk_prepare_enable(i2s->op_clk); i2s->rclk_srcrate = clk_get_rate(i2s->op_clk); /* Over-ride the other's */ @@ -475,20 +551,32 @@ static int i2s_set_fmt(struct snd_soc_dai *dai, { struct i2s_dai *i2s = to_info(dai); u32 mod = readl(i2s->addr + I2SMOD); + int lrp_shift, sdf_shift, sdf_mask, lrp_rlow; u32 tmp = 0; + if (i2s->quirks & QUIRK_SUPPORTS_TDM) { + lrp_shift = EXYNOS5420_MOD_LRP_SHIFT; + sdf_shift = EXYNOS5420_MOD_SDF_SHIFT; + } else { + lrp_shift = MOD_LRP_SHIFT; + sdf_shift = MOD_SDF_SHIFT; + } + + sdf_mask = MOD_SDF_MASK << sdf_shift; + lrp_rlow = MOD_LR_RLOW << lrp_shift; + /* Format is priority */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_RIGHT_J: - tmp |= MOD_LR_RLOW; - tmp |= MOD_SDF_MSB; + tmp |= lrp_rlow; + tmp |= (MOD_SDF_MSB << sdf_shift); break; case SND_SOC_DAIFMT_LEFT_J: - tmp |= MOD_LR_RLOW; - tmp |= MOD_SDF_LSB; + tmp |= lrp_rlow; + tmp |= (MOD_SDF_LSB << sdf_shift); break; case SND_SOC_DAIFMT_I2S: - tmp |= MOD_SDF_IIS; + tmp |= (MOD_SDF_IIS << sdf_shift); break; default: dev_err(&i2s->pdev->dev, "Format not supported\n"); @@ -503,10 +591,10 @@ static int i2s_set_fmt(struct snd_soc_dai *dai, case SND_SOC_DAIFMT_NB_NF: break; case SND_SOC_DAIFMT_NB_IF: - if (tmp & MOD_LR_RLOW) - tmp &= ~MOD_LR_RLOW; + if (tmp & lrp_rlow) + tmp &= ~lrp_rlow; else - tmp |= MOD_LR_RLOW; + tmp |= lrp_rlow; break; default: dev_err(&i2s->pdev->dev, "Polarity not supported\n"); @@ -528,15 +616,18 @@ static int i2s_set_fmt(struct snd_soc_dai *dai, return -EINVAL; } + /* + * Don't change the I2S mode if any controller is active on this + * channel. + */ if (any_active(i2s) && - ((mod & (MOD_SDF_MASK | MOD_LR_RLOW - | MOD_SLAVE)) != tmp)) { + ((mod & (sdf_mask | lrp_rlow | MOD_SLAVE)) != tmp)) { dev_err(&i2s->pdev->dev, "%s:%d Other DAI busy\n", __func__, __LINE__); return -EAGAIN; } - mod &= ~(MOD_SDF_MASK | MOD_LR_RLOW | MOD_SLAVE); + mod &= ~(sdf_mask | lrp_rlow | MOD_SLAVE); mod |= tmp; writel(mod, i2s->addr + I2SMOD); @@ -559,6 +650,17 @@ static int i2s_hw_params(struct snd_pcm_substream *substream, mod |= MOD_DC1_EN; break; case 2: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + i2s->dma_playback.dma_size = 4; + else + i2s->dma_capture.dma_size = 4; + break; + case 1: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + i2s->dma_playback.dma_size = 2; + else + i2s->dma_capture.dma_size = 2; + break; default: dev_err(&i2s->pdev->dev, "%d channels not supported\n", @@ -574,8 +676,8 @@ static int i2s_hw_params(struct snd_pcm_substream *substream, if (is_manager(i2s)) mod &= ~MOD_BLC_MASK; - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_S8: + switch (params_width(params)) { + case 8: if (is_secondary(i2s)) mod |= MOD_BLCS_8BIT; else @@ -583,7 +685,7 @@ static int i2s_hw_params(struct snd_pcm_substream *substream, if (is_manager(i2s)) mod |= MOD_BLC_8BIT; break; - case SNDRV_PCM_FORMAT_S16_LE: + case 16: if (is_secondary(i2s)) mod |= MOD_BLCS_16BIT; else @@ -591,7 +693,7 @@ static int i2s_hw_params(struct snd_pcm_substream *substream, if (is_manager(i2s)) mod |= MOD_BLC_16BIT; break; - case SNDRV_PCM_FORMAT_S24_LE: + case 24: if (is_secondary(i2s)) mod |= MOD_BLCS_24BIT; else @@ -606,12 +708,7 @@ static int i2s_hw_params(struct snd_pcm_substream *substream, } writel(mod, i2s->addr + I2SMOD); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - snd_soc_dai_set_dma_data(dai, substream, - (void *)&i2s->dma_playback); - else - snd_soc_dai_set_dma_data(dai, substream, - (void *)&i2s->dma_capture); + samsung_asoc_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture); i2s->frmclk = params_rate(params); @@ -635,8 +732,8 @@ static int i2s_startup(struct snd_pcm_substream *substream, else i2s->mode |= DAI_MANAGER; - /* Enforce set_sysclk in Master mode */ - i2s->rclk_srcrate = 0; + if (!any_active(i2s) && (i2s->quirks & QUIRK_NEED_RSTCLR)) + writel(CON_RSTCLR, i2s->addr + I2SCON); spin_unlock_irqrestore(&lock, flags); @@ -712,13 +809,13 @@ static int config_setup(struct i2s_dai *i2s) return -EAGAIN; } - /* Don't bother RFS, BFS & PSR in Slave mode */ - if (is_slave(i2s)) - return 0; - set_bfs(i2s, bfs); set_rfs(i2s, rfs); + /* Don't bother with PSR in Slave mode */ + if (is_slave(i2s)) + return 0; + if (!(i2s->quirks & QUIRK_NO_MUXPSR)) { psr = i2s->rclk_srcrate / i2s->frmclk / rfs; writel(((psr - 1) << 8) | PSR_PSREN, i2s->addr + I2SPSR); @@ -761,15 +858,13 @@ static int i2s_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_PAUSE_PUSH: local_irq_save(flags); - if (capture) + if (capture) { i2s_rxctrl(i2s, 0); - else - i2s_txctrl(i2s, 0); - - if (capture) i2s_fifo(i2s, FIC_RXFLUSH); - else + } else { + i2s_txctrl(i2s, 0); i2s_fifo(i2s, FIC_TXFLUSH); + } local_irq_restore(flags); break; @@ -856,8 +951,11 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai) struct i2s_dai *i2s = to_info(dai); struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai; - if (other && other->clk) /* If this is probe on secondary */ + if (other && other->clk) { /* If this is probe on secondary */ + samsung_asoc_init_dma_data(dai, &other->sec_dai->dma_playback, + NULL); goto probe_exit; + } i2s->addr = ioremap(i2s->base, 0x100); if (i2s->addr == NULL) { @@ -871,7 +969,9 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai) iounmap(i2s->addr); return -ENOENT; } - clk_enable(i2s->clk); + clk_prepare_enable(i2s->clk); + + samsung_asoc_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture); if (other) { other->addr = i2s->addr; @@ -889,6 +989,7 @@ probe_exit: /* Reset any constraint on RFS and BFS */ i2s->rfs = 0; i2s->bfs = 0; + i2s->rclk_srcrate = 0; i2s_txctrl(i2s, 0); i2s_rxctrl(i2s, 0); i2s_fifo(i2s, FIC_TXFLUSH); @@ -913,7 +1014,7 @@ static int samsung_i2s_dai_remove(struct snd_soc_dai *dai) if (i2s->quirks & QUIRK_NEED_RSTCLR) writel(0, i2s->addr + I2SCON); - clk_disable(i2s->clk); + clk_disable_unprepare(i2s->clk); clk_put(i2s->clk); iounmap(i2s->addr); @@ -935,16 +1036,20 @@ static const struct snd_soc_dai_ops samsung_i2s_dai_ops = { .delay = i2s_delay, }; +static const struct snd_soc_component_driver samsung_i2s_component = { + .name = "samsung-i2s", +}; + #define SAMSUNG_I2S_RATES SNDRV_PCM_RATE_8000_96000 #define SAMSUNG_I2S_FMTS (SNDRV_PCM_FMTBIT_S8 | \ SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S24_LE) -static __devinit -struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec) +static struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec) { struct i2s_dai *i2s; + int ret; i2s = devm_kzalloc(&pdev->dev, sizeof(struct i2s_dai), GFP_KERNEL); if (i2s == NULL) @@ -959,73 +1064,142 @@ struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec) i2s->i2s_dai_drv.ops = &samsung_i2s_dai_ops; i2s->i2s_dai_drv.suspend = i2s_suspend; i2s->i2s_dai_drv.resume = i2s_resume; - i2s->i2s_dai_drv.playback.channels_min = 2; + i2s->i2s_dai_drv.playback.channels_min = 1; i2s->i2s_dai_drv.playback.channels_max = 2; i2s->i2s_dai_drv.playback.rates = SAMSUNG_I2S_RATES; i2s->i2s_dai_drv.playback.formats = SAMSUNG_I2S_FMTS; if (!sec) { - i2s->i2s_dai_drv.capture.channels_min = 2; + i2s->i2s_dai_drv.capture.channels_min = 1; i2s->i2s_dai_drv.capture.channels_max = 2; i2s->i2s_dai_drv.capture.rates = SAMSUNG_I2S_RATES; i2s->i2s_dai_drv.capture.formats = SAMSUNG_I2S_FMTS; + dev_set_drvdata(&i2s->pdev->dev, i2s); } else { /* Create a new platform_device for Secondary */ - i2s->pdev = platform_device_register_resndata(NULL, - pdev->name, pdev->id + SAMSUNG_I2S_SECOFF, - NULL, 0, NULL, 0); - if (IS_ERR(i2s->pdev)) + i2s->pdev = platform_device_alloc("samsung-i2s-sec", -1); + if (!i2s->pdev) return NULL; - } - /* Pre-assign snd_soc_dai_set_drvdata */ - dev_set_drvdata(&i2s->pdev->dev, i2s); + i2s->pdev->dev.parent = &pdev->dev; + + platform_set_drvdata(i2s->pdev, i2s); + ret = platform_device_add(i2s->pdev); + if (ret < 0) + return NULL; + } return i2s; } -static __devinit int samsung_i2s_probe(struct platform_device *pdev) +static const struct of_device_id exynos_i2s_match[]; + +static inline const struct samsung_i2s_dai_data *samsung_i2s_get_driver_data( + struct platform_device *pdev) +{ +#ifdef CONFIG_OF + if (pdev->dev.of_node) { + const struct of_device_id *match; + match = of_match_node(exynos_i2s_match, pdev->dev.of_node); + return match->data; + } else +#endif + return (struct samsung_i2s_dai_data *) + platform_get_device_id(pdev)->driver_data; +} + +#ifdef CONFIG_PM_RUNTIME +static int i2s_runtime_suspend(struct device *dev) +{ + struct i2s_dai *i2s = dev_get_drvdata(dev); + + clk_disable_unprepare(i2s->clk); + + return 0; +} + +static int i2s_runtime_resume(struct device *dev) +{ + struct i2s_dai *i2s = dev_get_drvdata(dev); + + clk_prepare_enable(i2s->clk); + + return 0; +} +#endif /* CONFIG_PM_RUNTIME */ + +static int samsung_i2s_probe(struct platform_device *pdev) { - u32 dma_pl_chan, dma_cp_chan, dma_pl_sec_chan; struct i2s_dai *pri_dai, *sec_dai = NULL; - struct s3c_audio_pdata *i2s_pdata; - struct samsung_i2s *i2s_cfg; + struct s3c_audio_pdata *i2s_pdata = pdev->dev.platform_data; + struct samsung_i2s *i2s_cfg = NULL; struct resource *res; - u32 regs_base, quirks; + u32 regs_base, quirks = 0, idma_addr = 0; + struct device_node *np = pdev->dev.of_node; + const struct samsung_i2s_dai_data *i2s_dai_data; int ret = 0; /* Call during Seconday interface registration */ - if (pdev->id >= SAMSUNG_I2S_SECOFF) { + i2s_dai_data = samsung_i2s_get_driver_data(pdev); + + if (i2s_dai_data->dai_type == TYPE_SEC) { sec_dai = dev_get_drvdata(&pdev->dev); - snd_soc_register_dai(&sec_dai->pdev->dev, - &sec_dai->i2s_dai_drv); + if (!sec_dai) { + dev_err(&pdev->dev, "Unable to get drvdata\n"); + return -EFAULT; + } + devm_snd_soc_register_component(&sec_dai->pdev->dev, + &samsung_i2s_component, + &sec_dai->i2s_dai_drv, 1); + samsung_asoc_dma_platform_register(&pdev->dev); return 0; } - i2s_pdata = pdev->dev.platform_data; - if (i2s_pdata == NULL) { - dev_err(&pdev->dev, "Can't work without s3c_audio_pdata\n"); - return -EINVAL; + pri_dai = i2s_alloc_dai(pdev, false); + if (!pri_dai) { + dev_err(&pdev->dev, "Unable to alloc I2S_pri\n"); + return -ENOMEM; } - res = platform_get_resource(pdev, IORESOURCE_DMA, 0); - if (!res) { - dev_err(&pdev->dev, "Unable to get I2S-TX dma resource\n"); - return -ENXIO; - } - dma_pl_chan = res->start; + if (!np) { + res = platform_get_resource(pdev, IORESOURCE_DMA, 0); + if (!res) { + dev_err(&pdev->dev, + "Unable to get I2S-TX dma resource\n"); + return -ENXIO; + } + pri_dai->dma_playback.channel = res->start; - res = platform_get_resource(pdev, IORESOURCE_DMA, 1); - if (!res) { - dev_err(&pdev->dev, "Unable to get I2S-RX dma resource\n"); - return -ENXIO; - } - dma_cp_chan = res->start; + res = platform_get_resource(pdev, IORESOURCE_DMA, 1); + if (!res) { + dev_err(&pdev->dev, + "Unable to get I2S-RX dma resource\n"); + return -ENXIO; + } + pri_dai->dma_capture.channel = res->start; - res = platform_get_resource(pdev, IORESOURCE_DMA, 2); - if (res) - dma_pl_sec_chan = res->start; - else - dma_pl_sec_chan = 0; + if (i2s_pdata == NULL) { + dev_err(&pdev->dev, "Can't work without s3c_audio_pdata\n"); + return -EINVAL; + } + + if (&i2s_pdata->type) + i2s_cfg = &i2s_pdata->type.i2s; + + if (i2s_cfg) { + quirks = i2s_cfg->quirks; + idma_addr = i2s_cfg->idma_addr; + } + } else { + quirks = i2s_dai_data->quirks; + if (of_property_read_u32(np, "samsung,idma-addr", + &idma_addr)) { + if (quirks & QUIRK_SEC_DAI) { + dev_err(&pdev->dev, "idma address is not"\ + "specified"); + return -EINVAL; + } + } + } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { @@ -1040,25 +1214,14 @@ static __devinit int samsung_i2s_probe(struct platform_device *pdev) } regs_base = res->start; - i2s_cfg = &i2s_pdata->type.i2s; - quirks = i2s_cfg->quirks; - - pri_dai = i2s_alloc_dai(pdev, false); - if (!pri_dai) { - dev_err(&pdev->dev, "Unable to alloc I2S_pri\n"); - ret = -ENOMEM; - goto err; - } - pri_dai->dma_playback.dma_addr = regs_base + I2STXD; pri_dai->dma_capture.dma_addr = regs_base + I2SRXD; pri_dai->dma_playback.client = - (struct s3c2410_dma_client *)&pri_dai->dma_playback; + (struct s3c_dma_client *)&pri_dai->dma_playback; + pri_dai->dma_playback.ch_name = "tx"; pri_dai->dma_capture.client = - (struct s3c2410_dma_client *)&pri_dai->dma_capture; - pri_dai->dma_playback.channel = dma_pl_chan; - pri_dai->dma_capture.channel = dma_cp_chan; - pri_dai->src_clk = i2s_cfg->src_clk; + (struct s3c_dma_client *)&pri_dai->dma_capture; + pri_dai->dma_capture.ch_name = "rx"; pri_dai->dma_playback.dma_size = 4; pri_dai->dma_capture.dma_size = 4; pri_dai->base = regs_base; @@ -1076,36 +1239,46 @@ static __devinit int samsung_i2s_probe(struct platform_device *pdev) } sec_dai->dma_playback.dma_addr = regs_base + I2STXDS; sec_dai->dma_playback.client = - (struct s3c2410_dma_client *)&sec_dai->dma_playback; - /* Use iDMA always if SysDMA not provided */ - sec_dai->dma_playback.channel = dma_pl_sec_chan ? : -1; - sec_dai->src_clk = i2s_cfg->src_clk; + (struct s3c_dma_client *)&sec_dai->dma_playback; + sec_dai->dma_playback.ch_name = "tx-sec"; + + if (!np) { + res = platform_get_resource(pdev, IORESOURCE_DMA, 2); + if (res) + sec_dai->dma_playback.channel = res->start; + } + sec_dai->dma_playback.dma_size = 4; sec_dai->base = regs_base; sec_dai->quirks = quirks; - sec_dai->idma_playback.dma_addr = i2s_cfg->idma_addr; + sec_dai->idma_playback.dma_addr = idma_addr; sec_dai->pri_dai = pri_dai; pri_dai->sec_dai = sec_dai; } - if (i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) { + if (i2s_pdata && i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) { dev_err(&pdev->dev, "Unable to configure gpio\n"); ret = -EINVAL; goto err; } - snd_soc_register_dai(&pri_dai->pdev->dev, &pri_dai->i2s_dai_drv); + devm_snd_soc_register_component(&pri_dai->pdev->dev, + &samsung_i2s_component, + &pri_dai->i2s_dai_drv, 1); pm_runtime_enable(&pdev->dev); + samsung_asoc_dma_platform_register(&pdev->dev); + return 0; err: - release_mem_region(regs_base, resource_size(res)); + if (res) + release_mem_region(regs_base, resource_size(res)); return ret; } -static __devexit int samsung_i2s_remove(struct platform_device *pdev) +static int samsung_i2s_remove(struct platform_device *pdev) { struct i2s_dai *i2s, *other; struct resource *res; @@ -1126,24 +1299,83 @@ static __devexit int samsung_i2s_remove(struct platform_device *pdev) i2s->pri_dai = NULL; i2s->sec_dai = NULL; - snd_soc_unregister_dai(&pdev->dev); - return 0; } +static const struct samsung_i2s_dai_data i2sv3_dai_type = { + .dai_type = TYPE_PRI, + .quirks = QUIRK_NO_MUXPSR, +}; + +static const struct samsung_i2s_dai_data i2sv5_dai_type = { + .dai_type = TYPE_PRI, + .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR, +}; + +static const struct samsung_i2s_dai_data i2sv6_dai_type = { + .dai_type = TYPE_PRI, + .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR | + QUIRK_SUPPORTS_TDM, +}; + +static const struct samsung_i2s_dai_data samsung_dai_type_pri = { + .dai_type = TYPE_PRI, +}; + +static const struct samsung_i2s_dai_data samsung_dai_type_sec = { + .dai_type = TYPE_SEC, +}; + +static struct platform_device_id samsung_i2s_driver_ids[] = { + { + .name = "samsung-i2s", + .driver_data = (kernel_ulong_t)&samsung_dai_type_pri, + }, { + .name = "samsung-i2s-sec", + .driver_data = (kernel_ulong_t)&samsung_dai_type_sec, + }, + {}, +}; +MODULE_DEVICE_TABLE(platform, samsung_i2s_driver_ids); + +#ifdef CONFIG_OF +static const struct of_device_id exynos_i2s_match[] = { + { + .compatible = "samsung,s3c6410-i2s", + .data = &i2sv3_dai_type, + }, { + .compatible = "samsung,s5pv210-i2s", + .data = &i2sv5_dai_type, + }, { + .compatible = "samsung,exynos5420-i2s", + .data = &i2sv6_dai_type, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, exynos_i2s_match); +#endif + +static const struct dev_pm_ops samsung_i2s_pm = { + SET_RUNTIME_PM_OPS(i2s_runtime_suspend, + i2s_runtime_resume, NULL) +}; + static struct platform_driver samsung_i2s_driver = { .probe = samsung_i2s_probe, - .remove = __devexit_p(samsung_i2s_remove), + .remove = samsung_i2s_remove, + .id_table = samsung_i2s_driver_ids, .driver = { .name = "samsung-i2s", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(exynos_i2s_match), + .pm = &samsung_i2s_pm, }, }; module_platform_driver(samsung_i2s_driver); /* Module information */ -MODULE_AUTHOR("Jaswinder Singh, <jassi.brar@samsung.com>"); +MODULE_AUTHOR("Jaswinder Singh, <jassisinghbrar@gmail.com>"); MODULE_DESCRIPTION("Samsung I2S Interface"); MODULE_ALIAS("platform:samsung-i2s"); MODULE_LICENSE("GPL"); |