diff options
Diffstat (limited to 'sound/soc/samsung')
| -rw-r--r-- | sound/soc/samsung/dma.h | 3 | ||||
| -rw-r--r-- | sound/soc/samsung/dmaengine.c | 16 | ||||
| -rw-r--r-- | sound/soc/samsung/i2s.c | 725 | ||||
| -rw-r--r-- | sound/soc/samsung/odroid.c | 206 | ||||
| -rw-r--r-- | sound/soc/samsung/pcm.c | 2 | ||||
| -rw-r--r-- | sound/soc/samsung/s3c2412-i2s.c | 2 | ||||
| -rw-r--r-- | sound/soc/samsung/s3c24xx-i2s.c | 2 | ||||
| -rw-r--r-- | sound/soc/samsung/spdif.c | 2 |
8 files changed, 609 insertions, 349 deletions
diff --git a/sound/soc/samsung/dma.h b/sound/soc/samsung/dma.h index 7ae580d677c8..0ae15d01a3f6 100644 --- a/sound/soc/samsung/dma.h +++ b/sound/soc/samsung/dma.h @@ -17,5 +17,6 @@ * otherwise actual DMA channel names must be passed to this function. */ int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter, - const char *tx, const char *rx); + const char *tx, const char *rx, + struct device *dma_dev); #endif /* _SAMSUNG_DMA_H */ diff --git a/sound/soc/samsung/dmaengine.c b/sound/soc/samsung/dmaengine.c index 9104c98deeb7..302871974cb3 100644 --- a/sound/soc/samsung/dmaengine.c +++ b/sound/soc/samsung/dmaengine.c @@ -25,9 +25,9 @@ #include "dma.h" int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter, - const char *tx, const char *rx) + const char *tx, const char *rx, + struct device *dma_dev) { - unsigned int flags = SND_DMAENGINE_PCM_FLAG_COMPAT; struct snd_dmaengine_pcm_config *pcm_conf; pcm_conf = devm_kzalloc(dev, sizeof(*pcm_conf), GFP_KERNEL); @@ -36,15 +36,13 @@ int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter, pcm_conf->prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config; pcm_conf->compat_filter_fn = filter; + pcm_conf->dma_dev = dma_dev; - if (dev->of_node) { - pcm_conf->chan_names[SNDRV_PCM_STREAM_PLAYBACK] = tx; - pcm_conf->chan_names[SNDRV_PCM_STREAM_CAPTURE] = rx; - } else { - flags |= SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME; - } + pcm_conf->chan_names[SNDRV_PCM_STREAM_PLAYBACK] = tx; + pcm_conf->chan_names[SNDRV_PCM_STREAM_CAPTURE] = rx; - return devm_snd_dmaengine_pcm_register(dev, pcm_conf, flags); + return devm_snd_dmaengine_pcm_register(dev, pcm_conf, + SND_DMAENGINE_PCM_FLAG_COMPAT); } EXPORT_SYMBOL_GPL(samsung_asoc_dma_platform_register); diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index ce00fe2f6aae..4231001226f4 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -1,14 +1,9 @@ -/* sound/soc/samsung/i2s.c - * - * ALSA SoC Audio Layer - Samsung I2S Controller driver - * - * Copyright (c) 2010 Samsung Electronics Co. Ltd. - * 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 - * published by the Free Software Foundation. - */ +// SPDX-License-Identifier: GPL-2.0 +// +// ALSA SoC Audio Layer - Samsung I2S Controller driver +// +// Copyright (c) 2010 Samsung Electronics Co. Ltd. +// Jaswinder Singh <jassisinghbrar@gmail.com> #include <dt-bindings/sound/samsung-i2s.h> #include <linux/delay.h> @@ -34,6 +29,9 @@ #define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t) +#define SAMSUNG_I2S_ID_PRIMARY 1 +#define SAMSUNG_I2S_ID_SECONDARY 2 + struct samsung_i2s_variant_regs { unsigned int bfs_off; unsigned int rfs_off; @@ -57,64 +55,88 @@ struct samsung_i2s_dai_data { struct i2s_dai { /* Platform device for this DAI */ struct platform_device *pdev; - /* Memory mapped SFR region */ - void __iomem *addr; - /* Rate of RCLK source clock */ - unsigned long rclk_srcrate; - /* Frame Clock */ + + /* Frame clock */ unsigned frmclk; /* - * Specifically requested RCLK,BCLK by MACHINE Driver. + * Specifically requested RCLK, BCLK by machine driver. * 0 indicates CPU driver is free to choose any value. */ unsigned rfs, bfs; - /* I2S Controller's core clock */ - struct clk *clk; - /* Clock for generating I2S signals */ - struct clk *op_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 */ struct i2s_dai *sec_dai; -#define DAI_OPENED (1 << 0) /* Dai is opened */ -#define DAI_MANAGER (1 << 1) /* Dai is the manager */ + +#define DAI_OPENED (1 << 0) /* DAI is opened */ +#define DAI_MANAGER (1 << 1) /* DAI is the manager */ unsigned mode; + /* Driver for this DAI */ - struct snd_soc_dai_driver i2s_dai_drv; + struct snd_soc_dai_driver *drv; + /* DMA parameters */ struct snd_dmaengine_dai_dma_data dma_playback; struct snd_dmaengine_dai_dma_data dma_capture; struct snd_dmaengine_dai_dma_data idma_playback; dma_filter_fn filter; - u32 quirks; - u32 suspend_i2smod; - u32 suspend_i2scon; - u32 suspend_i2spsr; - const struct samsung_i2s_variant_regs *variant_regs; + + struct samsung_i2s_priv *priv; +}; + +struct samsung_i2s_priv { + struct platform_device *pdev; + struct platform_device *pdev_sec; + + /* Memory mapped SFR region */ + void __iomem *addr; /* Spinlock protecting access to the device's registers */ - spinlock_t spinlock; - spinlock_t *lock; + spinlock_t lock; + + /* Lock for cross interface checks */ + spinlock_t pcm_lock; + + /* CPU DAIs and their corresponding drivers */ + struct i2s_dai *dai; + struct snd_soc_dai_driver *dai_drv; + int num_dais; + + /* The I2S controller's core clock */ + struct clk *clk; + + /* Clock for generating I2S signals */ + struct clk *op_clk; + + /* Rate of RCLK source clock */ + unsigned long rclk_srcrate; + + /* Cache of selected I2S registers for system suspend */ + u32 suspend_i2smod; + u32 suspend_i2scon; + u32 suspend_i2spsr; + + const struct samsung_i2s_variant_regs *variant_regs; + u32 quirks; - /* Below fields are only valid if this is the primary FIFO */ + /* The clock provider's data */ struct clk *clk_table[3]; struct clk_onecell_data clk_data; }; -/* Lock for cross i/f checks */ -static DEFINE_SPINLOCK(lock); - -/* If this is the 'overlay' stereo DAI */ +/* Returns true if this is the 'overlay' stereo DAI */ static inline bool is_secondary(struct i2s_dai *i2s) { - return i2s->pri_dai ? true : false; + return i2s->drv->id == SAMSUNG_I2S_ID_SECONDARY; } /* If operating in SoC-Slave mode */ static inline bool is_slave(struct i2s_dai *i2s) { - u32 mod = readl(i2s->addr + I2SMOD); - return (mod & (1 << i2s->variant_regs->mss_off)) ? true : false; + struct samsung_i2s_priv *priv = i2s->priv; + + u32 mod = readl(priv->addr + I2SMOD); + return (mod & (1 << priv->variant_regs->mss_off)) ? true : false; } /* If this interface of the controller is transmitting data */ @@ -125,7 +147,7 @@ static inline bool tx_active(struct i2s_dai *i2s) if (!i2s) return false; - active = readl(i2s->addr + I2SCON); + active = readl(i2s->priv->addr + I2SCON); if (is_secondary(i2s)) active &= CON_TXSDMA_ACTIVE; @@ -163,7 +185,7 @@ static inline bool rx_active(struct i2s_dai *i2s) if (!i2s) return false; - active = readl(i2s->addr + I2SCON) & CON_RXDMA_ACTIVE; + active = readl(i2s->priv->addr + I2SCON) & CON_RXDMA_ACTIVE; return active ? true : false; } @@ -202,7 +224,9 @@ static inline bool any_active(struct i2s_dai *i2s) static inline struct i2s_dai *to_info(struct snd_soc_dai *dai) { - return snd_soc_dai_get_drvdata(dai); + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); + + return &priv->dai[dai->id - 1]; } static inline bool is_opened(struct i2s_dai *i2s) @@ -224,9 +248,11 @@ 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) { + struct samsung_i2s_priv *priv = i2s->priv; u32 rfs; - rfs = readl(i2s->addr + I2SMOD) >> i2s->variant_regs->rfs_off; - rfs &= i2s->variant_regs->rfs_mask; + + rfs = readl(priv->addr + I2SMOD) >> priv->variant_regs->rfs_off; + rfs &= priv->variant_regs->rfs_mask; switch (rfs) { case 7: return 192; @@ -243,10 +269,11 @@ static inline unsigned get_rfs(struct i2s_dai *i2s) /* Write RCLK of I2S (in multiples of LRCLK) */ static inline void set_rfs(struct i2s_dai *i2s, unsigned rfs) { - u32 mod = readl(i2s->addr + I2SMOD); - int rfs_shift = i2s->variant_regs->rfs_off; + struct samsung_i2s_priv *priv = i2s->priv; + u32 mod = readl(priv->addr + I2SMOD); + int rfs_shift = priv->variant_regs->rfs_off; - mod &= ~(i2s->variant_regs->rfs_mask << rfs_shift); + mod &= ~(priv->variant_regs->rfs_mask << rfs_shift); switch (rfs) { case 192: @@ -275,15 +302,17 @@ static inline void set_rfs(struct i2s_dai *i2s, unsigned rfs) break; } - writel(mod, i2s->addr + I2SMOD); + writel(mod, priv->addr + I2SMOD); } -/* Read Bit-Clock of I2S (in multiples of LRCLK) */ +/* Read bit-clock of I2S (in multiples of LRCLK) */ static inline unsigned get_bfs(struct i2s_dai *i2s) { + struct samsung_i2s_priv *priv = i2s->priv; u32 bfs; - bfs = readl(i2s->addr + I2SMOD) >> i2s->variant_regs->bfs_off; - bfs &= i2s->variant_regs->bfs_mask; + + bfs = readl(priv->addr + I2SMOD) >> priv->variant_regs->bfs_off; + bfs &= priv->variant_regs->bfs_mask; switch (bfs) { case 8: return 256; @@ -298,12 +327,13 @@ static inline unsigned get_bfs(struct i2s_dai *i2s) } } -/* Write Bit-Clock of I2S (in multiples of LRCLK) */ +/* Write bit-clock of I2S (in multiples of LRCLK) */ static inline void set_bfs(struct i2s_dai *i2s, unsigned bfs) { - u32 mod = readl(i2s->addr + I2SMOD); - int tdm = i2s->quirks & QUIRK_SUPPORTS_TDM; - int bfs_shift = i2s->variant_regs->bfs_off; + struct samsung_i2s_priv *priv = i2s->priv; + u32 mod = readl(priv->addr + I2SMOD); + int tdm = priv->quirks & QUIRK_SUPPORTS_TDM; + int bfs_shift = priv->variant_regs->bfs_off; /* Non-TDM I2S controllers do not support BCLK > 48 * FS */ if (!tdm && bfs > 48) { @@ -311,7 +341,7 @@ static inline void set_bfs(struct i2s_dai *i2s, unsigned bfs) return; } - mod &= ~(i2s->variant_regs->bfs_mask << bfs_shift); + mod &= ~(priv->variant_regs->bfs_mask << bfs_shift); switch (bfs) { case 48: @@ -346,13 +376,13 @@ static inline void set_bfs(struct i2s_dai *i2s, unsigned bfs) return; } - writel(mod, i2s->addr + I2SMOD); + writel(mod, priv->addr + I2SMOD); } -/* Sample-Size */ +/* Sample size */ static inline int get_blc(struct i2s_dai *i2s) { - int blc = readl(i2s->addr + I2SMOD); + int blc = readl(i2s->priv->addr + I2SMOD); blc = (blc >> 13) & 0x3; @@ -363,11 +393,12 @@ static inline int get_blc(struct i2s_dai *i2s) } } -/* TX Channel Control */ +/* TX channel control */ static void i2s_txctrl(struct i2s_dai *i2s, int on) { - void __iomem *addr = i2s->addr; - int txr_off = i2s->variant_regs->txr_off; + struct samsung_i2s_priv *priv = i2s->priv; + void __iomem *addr = priv->addr; + int txr_off = priv->variant_regs->txr_off; u32 con = readl(addr + I2SCON); u32 mod = readl(addr + I2SMOD) & ~(3 << txr_off); @@ -416,8 +447,9 @@ static void i2s_txctrl(struct i2s_dai *i2s, int on) /* RX Channel Control */ static void i2s_rxctrl(struct i2s_dai *i2s, int on) { - void __iomem *addr = i2s->addr; - int txr_off = i2s->variant_regs->txr_off; + struct samsung_i2s_priv *priv = i2s->priv; + void __iomem *addr = priv->addr; + int txr_off = priv->variant_regs->txr_off; u32 con = readl(addr + I2SCON); u32 mod = readl(addr + I2SMOD) & ~(3 << txr_off); @@ -453,9 +485,9 @@ static inline void i2s_fifo(struct i2s_dai *i2s, u32 flush) return; if (is_secondary(i2s)) - fic = i2s->addr + I2SFICS; + fic = i2s->priv->addr + I2SFICS; else - fic = i2s->addr + I2SFIC; + fic = i2s->priv->addr + I2SFIC; /* Flush the FIFO */ writel(readl(fic) | flush, fic); @@ -468,12 +500,13 @@ static inline void i2s_fifo(struct i2s_dai *i2s, u32 flush) writel(readl(fic) & ~flush, fic); } -static int i2s_set_sysclk(struct snd_soc_dai *dai, - int clk_id, unsigned int rfs, int dir) +static int i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int rfs, + int dir) { + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); struct i2s_dai *i2s = to_info(dai); struct i2s_dai *other = get_other_dai(i2s); - const struct samsung_i2s_variant_regs *i2s_regs = i2s->variant_regs; + const struct samsung_i2s_variant_regs *i2s_regs = priv->variant_regs; unsigned int cdcon_mask = 1 << i2s_regs->cdclkcon_off; unsigned int rsrc_mask = 1 << i2s_regs->rclksrc_off; u32 mod, mask, val = 0; @@ -482,9 +515,9 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, pm_runtime_get_sync(dai->dev); - spin_lock_irqsave(i2s->lock, flags); - mod = readl(i2s->addr + I2SMOD); - spin_unlock_irqrestore(i2s->lock, flags); + spin_lock_irqsave(&priv->lock, flags); + mod = readl(priv->addr + I2SMOD); + spin_unlock_irqrestore(&priv->lock, flags); switch (clk_id) { case SAMSUNG_I2S_OPCLK: @@ -519,51 +552,46 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, case SAMSUNG_I2S_RCLKSRC_1: /* clock corrsponding to IISMOD[10] := 1 */ mask = 1 << i2s_regs->rclksrc_off; - if ((i2s->quirks & QUIRK_NO_MUXPSR) + if ((priv->quirks & QUIRK_NO_MUXPSR) || (clk_id == SAMSUNG_I2S_RCLKSRC_0)) clk_id = 0; else clk_id = 1; if (!any_active(i2s)) { - if (i2s->op_clk && !IS_ERR(i2s->op_clk)) { + if (priv->op_clk && !IS_ERR(priv->op_clk)) { if ((clk_id && !(mod & rsrc_mask)) || (!clk_id && (mod & rsrc_mask))) { - clk_disable_unprepare(i2s->op_clk); - clk_put(i2s->op_clk); + clk_disable_unprepare(priv->op_clk); + clk_put(priv->op_clk); } else { - i2s->rclk_srcrate = - clk_get_rate(i2s->op_clk); + priv->rclk_srcrate = + clk_get_rate(priv->op_clk); goto done; } } if (clk_id) - i2s->op_clk = clk_get(&i2s->pdev->dev, + priv->op_clk = clk_get(&i2s->pdev->dev, "i2s_opclk1"); else - i2s->op_clk = clk_get(&i2s->pdev->dev, + priv->op_clk = clk_get(&i2s->pdev->dev, "i2s_opclk0"); - if (WARN_ON(IS_ERR(i2s->op_clk))) { - ret = PTR_ERR(i2s->op_clk); - i2s->op_clk = NULL; + if (WARN_ON(IS_ERR(priv->op_clk))) { + ret = PTR_ERR(priv->op_clk); + priv->op_clk = NULL; goto err; } - ret = clk_prepare_enable(i2s->op_clk); + ret = clk_prepare_enable(priv->op_clk); if (ret) { - clk_put(i2s->op_clk); - i2s->op_clk = NULL; + clk_put(priv->op_clk); + priv->op_clk = NULL; goto err; } - i2s->rclk_srcrate = clk_get_rate(i2s->op_clk); + priv->rclk_srcrate = clk_get_rate(priv->op_clk); - /* Over-ride the other's */ - if (other) { - other->op_clk = i2s->op_clk; - other->rclk_srcrate = i2s->rclk_srcrate; - } } else if ((!clk_id && (mod & rsrc_mask)) || (clk_id && !(mod & rsrc_mask))) { dev_err(&i2s->pdev->dev, @@ -572,8 +600,6 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, goto err; } else { /* Call can't be on the active DAI */ - i2s->op_clk = other->op_clk; - i2s->rclk_srcrate = other->rclk_srcrate; goto done; } @@ -586,11 +612,11 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, goto err; } - spin_lock_irqsave(i2s->lock, flags); - mod = readl(i2s->addr + I2SMOD); + spin_lock_irqsave(&priv->lock, flags); + mod = readl(priv->addr + I2SMOD); mod = (mod & ~mask) | val; - writel(mod, i2s->addr + I2SMOD); - spin_unlock_irqrestore(i2s->lock, flags); + writel(mod, priv->addr + I2SMOD); + spin_unlock_irqrestore(&priv->lock, flags); done: pm_runtime_put(dai->dev); @@ -600,17 +626,17 @@ err: return ret; } -static int i2s_set_fmt(struct snd_soc_dai *dai, - unsigned int fmt) +static int i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); struct i2s_dai *i2s = to_info(dai); int lrp_shift, sdf_shift, sdf_mask, lrp_rlow, mod_slave; u32 mod, tmp = 0; unsigned long flags; - lrp_shift = i2s->variant_regs->lrp_off; - sdf_shift = i2s->variant_regs->sdf_off; - mod_slave = 1 << i2s->variant_regs->mss_off; + lrp_shift = priv->variant_regs->lrp_off; + sdf_shift = priv->variant_regs->sdf_off; + mod_slave = 1 << priv->variant_regs->mss_off; sdf_mask = MOD_SDF_MASK << sdf_shift; lrp_rlow = MOD_LR_RLOW << lrp_shift; @@ -661,7 +687,7 @@ static int i2s_set_fmt(struct snd_soc_dai *dai, * CLK_I2S_RCLK_SRC clock is not exposed so we ensure any * clock configuration assigned in DT is not overwritten. */ - if (i2s->rclk_srcrate == 0 && i2s->clk_data.clks == NULL) + if (priv->rclk_srcrate == 0 && priv->clk_data.clks == NULL) i2s_set_sysclk(dai, SAMSUNG_I2S_RCLKSRC_0, 0, SND_SOC_CLOCK_IN); break; @@ -671,15 +697,15 @@ static int i2s_set_fmt(struct snd_soc_dai *dai, } pm_runtime_get_sync(dai->dev); - spin_lock_irqsave(i2s->lock, flags); - mod = readl(i2s->addr + I2SMOD); + spin_lock_irqsave(&priv->lock, flags); + mod = readl(priv->addr + I2SMOD); /* * Don't change the I2S mode if any controller is active on this * channel. */ if (any_active(i2s) && ((mod & (sdf_mask | lrp_rlow | mod_slave)) != tmp)) { - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); pm_runtime_put(dai->dev); dev_err(&i2s->pdev->dev, "%s:%d Other DAI busy\n", __func__, __LINE__); @@ -688,8 +714,8 @@ static int i2s_set_fmt(struct snd_soc_dai *dai, mod &= ~(sdf_mask | lrp_rlow | mod_slave); mod |= tmp; - writel(mod, i2s->addr + I2SMOD); - spin_unlock_irqrestore(i2s->lock, flags); + writel(mod, priv->addr + I2SMOD); + spin_unlock_irqrestore(&priv->lock, flags); pm_runtime_put(dai->dev); return 0; @@ -698,6 +724,7 @@ static int i2s_set_fmt(struct snd_soc_dai *dai, static int i2s_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); struct i2s_dai *i2s = to_info(dai); u32 mod, mask = 0, val = 0; struct clk *rclksrc; @@ -711,7 +738,7 @@ static int i2s_hw_params(struct snd_pcm_substream *substream, switch (params_channels(params)) { case 6: val |= MOD_DC2_EN; - /* fall through */ + /* Fall through */ case 4: val |= MOD_DC1_EN; break; @@ -773,34 +800,35 @@ static int i2s_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } - spin_lock_irqsave(i2s->lock, flags); - mod = readl(i2s->addr + I2SMOD); + spin_lock_irqsave(&priv->lock, flags); + mod = readl(priv->addr + I2SMOD); mod = (mod & ~mask) | val; - writel(mod, i2s->addr + I2SMOD); - spin_unlock_irqrestore(i2s->lock, flags); + writel(mod, priv->addr + I2SMOD); + spin_unlock_irqrestore(&priv->lock, flags); snd_soc_dai_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture); i2s->frmclk = params_rate(params); - rclksrc = i2s->clk_table[CLK_I2S_RCLK_SRC]; + rclksrc = priv->clk_table[CLK_I2S_RCLK_SRC]; if (rclksrc && !IS_ERR(rclksrc)) - i2s->rclk_srcrate = clk_get_rate(rclksrc); + priv->rclk_srcrate = clk_get_rate(rclksrc); return 0; } -/* We set constraints on the substream acc to the version of I2S */ +/* We set constraints on the substream according to the version of I2S */ static int i2s_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); struct i2s_dai *i2s = to_info(dai); struct i2s_dai *other = get_other_dai(i2s); unsigned long flags; pm_runtime_get_sync(dai->dev); - spin_lock_irqsave(&lock, flags); + spin_lock_irqsave(&priv->pcm_lock, flags); i2s->mode |= DAI_OPENED; @@ -809,10 +837,10 @@ static int i2s_startup(struct snd_pcm_substream *substream, else i2s->mode |= DAI_MANAGER; - if (!any_active(i2s) && (i2s->quirks & QUIRK_NEED_RSTCLR)) - writel(CON_RSTCLR, i2s->addr + I2SCON); + if (!any_active(i2s) && (priv->quirks & QUIRK_NEED_RSTCLR)) + writel(CON_RSTCLR, i2s->priv->addr + I2SCON); - spin_unlock_irqrestore(&lock, flags); + spin_unlock_irqrestore(&priv->pcm_lock, flags); return 0; } @@ -820,11 +848,12 @@ static int i2s_startup(struct snd_pcm_substream *substream, static void i2s_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); struct i2s_dai *i2s = to_info(dai); struct i2s_dai *other = get_other_dai(i2s); unsigned long flags; - spin_lock_irqsave(&lock, flags); + spin_lock_irqsave(&priv->pcm_lock, flags); i2s->mode &= ~DAI_OPENED; i2s->mode &= ~DAI_MANAGER; @@ -836,13 +865,14 @@ static void i2s_shutdown(struct snd_pcm_substream *substream, i2s->rfs = 0; i2s->bfs = 0; - spin_unlock_irqrestore(&lock, flags); + spin_unlock_irqrestore(&priv->pcm_lock, flags); pm_runtime_put(dai->dev); } static int config_setup(struct i2s_dai *i2s) { + struct samsung_i2s_priv *priv = i2s->priv; struct i2s_dai *other = get_other_dai(i2s); unsigned rfs, bfs, blc; u32 psr; @@ -890,12 +920,12 @@ static int config_setup(struct i2s_dai *i2s) 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); + if (!(priv->quirks & QUIRK_NO_MUXPSR)) { + psr = priv->rclk_srcrate / i2s->frmclk / rfs; + writel(((psr - 1) << 8) | PSR_PSREN, priv->addr + I2SPSR); dev_dbg(&i2s->pdev->dev, "RCLK_SRC=%luHz PSR=%u, RCLK=%dfs, BCLK=%dfs\n", - i2s->rclk_srcrate, psr, rfs, bfs); + priv->rclk_srcrate, psr, rfs, bfs); } return 0; @@ -904,6 +934,7 @@ static int config_setup(struct i2s_dai *i2s) static int i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); int capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); struct snd_soc_pcm_runtime *rtd = substream->private_data; struct i2s_dai *i2s = to_info(rtd->cpu_dai); @@ -914,10 +945,10 @@ static int i2s_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: pm_runtime_get_sync(dai->dev); - spin_lock_irqsave(i2s->lock, flags); + spin_lock_irqsave(&priv->lock, flags); if (config_setup(i2s)) { - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); return -EINVAL; } @@ -926,12 +957,12 @@ static int i2s_trigger(struct snd_pcm_substream *substream, else i2s_txctrl(i2s, 1); - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - spin_lock_irqsave(i2s->lock, flags); + spin_lock_irqsave(&priv->lock, flags); if (capture) { i2s_rxctrl(i2s, 0); @@ -941,7 +972,7 @@ static int i2s_trigger(struct snd_pcm_substream *substream, i2s_fifo(i2s, FIC_TXFLUSH); } - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); pm_runtime_put(dai->dev); break; } @@ -980,19 +1011,19 @@ static int i2s_set_clkdiv(struct snd_soc_dai *dai, static snd_pcm_sframes_t i2s_delay(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); struct i2s_dai *i2s = to_info(dai); - u32 reg = readl(i2s->addr + I2SFIC); + u32 reg = readl(priv->addr + I2SFIC); snd_pcm_sframes_t delay; - const struct samsung_i2s_variant_regs *i2s_regs = i2s->variant_regs; WARN_ON(!pm_runtime_active(dai->dev)); if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) delay = FIC_RXCOUNT(reg); else if (is_secondary(i2s)) - delay = FICS_TXCOUNT(readl(i2s->addr + I2SFICS)); + delay = FICS_TXCOUNT(readl(priv->addr + I2SFICS)); else - delay = (reg >> i2s_regs->ftx0cnt_off) & 0x7f; + delay = (reg >> priv->variant_regs->ftx0cnt_off) & 0x7f; return delay; } @@ -1014,39 +1045,39 @@ static int i2s_resume(struct snd_soc_dai *dai) static int samsung_i2s_dai_probe(struct snd_soc_dai *dai) { + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); struct i2s_dai *i2s = to_info(dai); struct i2s_dai *other = get_other_dai(i2s); unsigned long flags; pm_runtime_get_sync(dai->dev); - if (is_secondary(i2s)) { /* If this is probe on the secondary DAI */ - snd_soc_dai_init_dma_data(dai, &other->sec_dai->dma_playback, - NULL); + if (is_secondary(i2s)) { + /* If this is probe on the secondary DAI */ + snd_soc_dai_init_dma_data(dai, &i2s->dma_playback, NULL); } else { snd_soc_dai_init_dma_data(dai, &i2s->dma_playback, - &i2s->dma_capture); + &i2s->dma_capture); - if (i2s->quirks & QUIRK_NEED_RSTCLR) - writel(CON_RSTCLR, i2s->addr + I2SCON); + if (priv->quirks & QUIRK_NEED_RSTCLR) + writel(CON_RSTCLR, priv->addr + I2SCON); - if (i2s->quirks & QUIRK_SUPPORTS_IDMA) - idma_reg_addr_init(i2s->addr, - i2s->sec_dai->idma_playback.addr); + if (priv->quirks & QUIRK_SUPPORTS_IDMA) + idma_reg_addr_init(priv->addr, + other->idma_playback.addr); } /* Reset any constraint on RFS and BFS */ i2s->rfs = 0; i2s->bfs = 0; - i2s->rclk_srcrate = 0; - spin_lock_irqsave(i2s->lock, flags); + spin_lock_irqsave(&priv->lock, flags); i2s_txctrl(i2s, 0); i2s_rxctrl(i2s, 0); i2s_fifo(i2s, FIC_TXFLUSH); i2s_fifo(other, FIC_TXFLUSH); i2s_fifo(i2s, FIC_RXFLUSH); - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); /* Gate CDCLK by default */ if (!is_opened(other)) @@ -1059,16 +1090,17 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai) static int samsung_i2s_dai_remove(struct snd_soc_dai *dai) { - struct i2s_dai *i2s = snd_soc_dai_get_drvdata(dai); + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); + struct i2s_dai *i2s = to_info(dai); unsigned long flags; pm_runtime_get_sync(dai->dev); if (!is_secondary(i2s)) { - if (i2s->quirks & QUIRK_NEED_RSTCLR) { - spin_lock_irqsave(i2s->lock, flags); - writel(0, i2s->addr + I2SCON); - spin_unlock_irqrestore(i2s->lock, flags); + if (priv->quirks & QUIRK_NEED_RSTCLR) { + spin_lock_irqsave(&priv->lock, flags); + writel(0, priv->addr + I2SCON); + spin_unlock_irqrestore(&priv->lock, flags); } } @@ -1088,118 +1120,157 @@ static const struct snd_soc_dai_ops samsung_i2s_dai_ops = { .delay = i2s_delay, }; +static const struct snd_soc_dapm_widget samsung_i2s_widgets[] = { + /* Backend DAI */ + SND_SOC_DAPM_AIF_OUT("Mixer DAI TX", NULL, 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("Mixer DAI RX", NULL, 0, SND_SOC_NOPM, 0, 0), + + /* Playback Mixer */ + SND_SOC_DAPM_MIXER("Playback Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), +}; + +static const struct snd_soc_dapm_route samsung_i2s_dapm_routes[] = { + { "Playback Mixer", NULL, "Primary" }, + { "Playback Mixer", NULL, "Secondary" }, + + { "Mixer DAI TX", NULL, "Playback Mixer" }, + { "Playback Mixer", NULL, "Mixer DAI RX" }, +}; + static const struct snd_soc_component_driver samsung_i2s_component = { - .name = "samsung-i2s", + .name = "samsung-i2s", + + .dapm_widgets = samsung_i2s_widgets, + .num_dapm_widgets = ARRAY_SIZE(samsung_i2s_widgets), + + .dapm_routes = samsung_i2s_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(samsung_i2s_dapm_routes), }; -#define SAMSUNG_I2S_FMTS (SNDRV_PCM_FMTBIT_S8 | \ - SNDRV_PCM_FMTBIT_S16_LE | \ - SNDRV_PCM_FMTBIT_S24_LE) +#define SAMSUNG_I2S_FMTS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE) -static struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, - const struct samsung_i2s_dai_data *i2s_dai_data, - bool sec) +static int i2s_alloc_dais(struct samsung_i2s_priv *priv, + const struct samsung_i2s_dai_data *i2s_dai_data, + int num_dais) { - struct i2s_dai *i2s; - - i2s = devm_kzalloc(&pdev->dev, sizeof(struct i2s_dai), GFP_KERNEL); - if (i2s == NULL) - return NULL; - - i2s->pdev = pdev; - i2s->pri_dai = NULL; - i2s->sec_dai = NULL; - i2s->i2s_dai_drv.id = 1; - i2s->i2s_dai_drv.symmetric_rates = 1; - i2s->i2s_dai_drv.probe = samsung_i2s_dai_probe; - i2s->i2s_dai_drv.remove = samsung_i2s_dai_remove; - 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 = 1; - i2s->i2s_dai_drv.playback.channels_max = 2; - i2s->i2s_dai_drv.playback.rates = i2s_dai_data->pcm_rates; - i2s->i2s_dai_drv.playback.formats = SAMSUNG_I2S_FMTS; - - if (!sec) { - i2s->i2s_dai_drv.name = SAMSUNG_I2S_DAI; - i2s->i2s_dai_drv.capture.channels_min = 1; - i2s->i2s_dai_drv.capture.channels_max = 2; - i2s->i2s_dai_drv.capture.rates = i2s_dai_data->pcm_rates; - i2s->i2s_dai_drv.capture.formats = SAMSUNG_I2S_FMTS; - } else { - i2s->i2s_dai_drv.name = SAMSUNG_I2S_DAI_SEC; + static const char *dai_names[] = { "samsung-i2s", "samsung-i2s-sec" }; + static const char *stream_names[] = { "Primary", "Secondary" }; + struct snd_soc_dai_driver *dai_drv; + struct i2s_dai *dai; + int i; + + priv->dai = devm_kcalloc(&priv->pdev->dev, num_dais, + sizeof(*dai), GFP_KERNEL); + if (!priv->dai) + return -ENOMEM; + + priv->dai_drv = devm_kcalloc(&priv->pdev->dev, num_dais, + sizeof(*dai_drv), GFP_KERNEL); + if (!priv->dai_drv) + return -ENOMEM; + + for (i = 0; i < num_dais; i++) { + dai_drv = &priv->dai_drv[i]; + + dai_drv->probe = samsung_i2s_dai_probe; + dai_drv->remove = samsung_i2s_dai_remove; + dai_drv->suspend = i2s_suspend; + dai_drv->resume = i2s_resume; + + dai_drv->symmetric_rates = 1; + dai_drv->ops = &samsung_i2s_dai_ops; + + dai_drv->playback.channels_min = 1; + dai_drv->playback.channels_max = 2; + dai_drv->playback.rates = i2s_dai_data->pcm_rates; + dai_drv->playback.formats = SAMSUNG_I2S_FMTS; + dai_drv->playback.stream_name = stream_names[i]; + + dai_drv->id = i + 1; + dai_drv->name = dai_names[i]; + + priv->dai[i].drv = &priv->dai_drv[i]; + priv->dai[i].pdev = priv->pdev; } - return i2s; + + /* Initialize capture only for the primary DAI */ + dai_drv = &priv->dai_drv[SAMSUNG_I2S_ID_PRIMARY - 1]; + + dai_drv->capture.channels_min = 1; + dai_drv->capture.channels_max = 2; + dai_drv->capture.rates = i2s_dai_data->pcm_rates; + dai_drv->capture.formats = SAMSUNG_I2S_FMTS; + + return 0; } #ifdef CONFIG_PM static int i2s_runtime_suspend(struct device *dev) { - struct i2s_dai *i2s = dev_get_drvdata(dev); + struct samsung_i2s_priv *priv = dev_get_drvdata(dev); - i2s->suspend_i2smod = readl(i2s->addr + I2SMOD); - i2s->suspend_i2scon = readl(i2s->addr + I2SCON); - i2s->suspend_i2spsr = readl(i2s->addr + I2SPSR); + priv->suspend_i2smod = readl(priv->addr + I2SMOD); + priv->suspend_i2scon = readl(priv->addr + I2SCON); + priv->suspend_i2spsr = readl(priv->addr + I2SPSR); - if (i2s->op_clk) - clk_disable_unprepare(i2s->op_clk); - clk_disable_unprepare(i2s->clk); + if (priv->op_clk) + clk_disable_unprepare(priv->op_clk); + clk_disable_unprepare(priv->clk); return 0; } static int i2s_runtime_resume(struct device *dev) { - struct i2s_dai *i2s = dev_get_drvdata(dev); + struct samsung_i2s_priv *priv = dev_get_drvdata(dev); int ret; - ret = clk_prepare_enable(i2s->clk); + ret = clk_prepare_enable(priv->clk); if (ret) return ret; - if (i2s->op_clk) { - ret = clk_prepare_enable(i2s->op_clk); + if (priv->op_clk) { + ret = clk_prepare_enable(priv->op_clk); if (ret) { - clk_disable_unprepare(i2s->clk); + clk_disable_unprepare(priv->clk); return ret; } } - writel(i2s->suspend_i2scon, i2s->addr + I2SCON); - writel(i2s->suspend_i2smod, i2s->addr + I2SMOD); - writel(i2s->suspend_i2spsr, i2s->addr + I2SPSR); + writel(priv->suspend_i2scon, priv->addr + I2SCON); + writel(priv->suspend_i2smod, priv->addr + I2SMOD); + writel(priv->suspend_i2spsr, priv->addr + I2SPSR); return 0; } #endif /* CONFIG_PM */ -static void i2s_unregister_clocks(struct i2s_dai *i2s) +static void i2s_unregister_clocks(struct samsung_i2s_priv *priv) { int i; - for (i = 0; i < i2s->clk_data.clk_num; i++) { - if (!IS_ERR(i2s->clk_table[i])) - clk_unregister(i2s->clk_table[i]); + for (i = 0; i < priv->clk_data.clk_num; i++) { + if (!IS_ERR(priv->clk_table[i])) + clk_unregister(priv->clk_table[i]); } } -static void i2s_unregister_clock_provider(struct platform_device *pdev) +static void i2s_unregister_clock_provider(struct samsung_i2s_priv *priv) { - struct i2s_dai *i2s = dev_get_drvdata(&pdev->dev); - - of_clk_del_provider(pdev->dev.of_node); - i2s_unregister_clocks(i2s); + of_clk_del_provider(priv->pdev->dev.of_node); + i2s_unregister_clocks(priv); } -static int i2s_register_clock_provider(struct platform_device *pdev) + +static int i2s_register_clock_provider(struct samsung_i2s_priv *priv) { + const char * const i2s_clk_desc[] = { "cdclk", "rclk_src", "prescaler" }; const char *clk_name[2] = { "i2s_opclk0", "i2s_opclk1" }; const char *p_names[2] = { NULL }; - struct device *dev = &pdev->dev; - struct i2s_dai *i2s = dev_get_drvdata(dev); - const struct samsung_i2s_variant_regs *reg_info = i2s->variant_regs; + struct device *dev = &priv->pdev->dev; + const struct samsung_i2s_variant_regs *reg_info = priv->variant_regs; const char *i2s_clk_name[ARRAY_SIZE(i2s_clk_desc)]; struct clk *rclksrc; int ret, i; @@ -1224,110 +1295,170 @@ static int i2s_register_clock_provider(struct platform_device *pdev) return -ENOMEM; } - if (!(i2s->quirks & QUIRK_NO_MUXPSR)) { + if (!(priv->quirks & QUIRK_NO_MUXPSR)) { /* Activate the prescaler */ - u32 val = readl(i2s->addr + I2SPSR); - writel(val | PSR_PSREN, i2s->addr + I2SPSR); + u32 val = readl(priv->addr + I2SPSR); + writel(val | PSR_PSREN, priv->addr + I2SPSR); - i2s->clk_table[CLK_I2S_RCLK_SRC] = clk_register_mux(dev, + priv->clk_table[CLK_I2S_RCLK_SRC] = clk_register_mux(dev, i2s_clk_name[CLK_I2S_RCLK_SRC], p_names, ARRAY_SIZE(p_names), CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, - i2s->addr + I2SMOD, reg_info->rclksrc_off, - 1, 0, i2s->lock); + priv->addr + I2SMOD, reg_info->rclksrc_off, + 1, 0, &priv->lock); - i2s->clk_table[CLK_I2S_RCLK_PSR] = clk_register_divider(dev, + priv->clk_table[CLK_I2S_RCLK_PSR] = clk_register_divider(dev, i2s_clk_name[CLK_I2S_RCLK_PSR], i2s_clk_name[CLK_I2S_RCLK_SRC], CLK_SET_RATE_PARENT, - i2s->addr + I2SPSR, 8, 6, 0, i2s->lock); + priv->addr + I2SPSR, 8, 6, 0, &priv->lock); p_names[0] = i2s_clk_name[CLK_I2S_RCLK_PSR]; - i2s->clk_data.clk_num = 2; + priv->clk_data.clk_num = 2; } - i2s->clk_table[CLK_I2S_CDCLK] = clk_register_gate(dev, + priv->clk_table[CLK_I2S_CDCLK] = clk_register_gate(dev, i2s_clk_name[CLK_I2S_CDCLK], p_names[0], CLK_SET_RATE_PARENT, - i2s->addr + I2SMOD, reg_info->cdclkcon_off, - CLK_GATE_SET_TO_DISABLE, i2s->lock); + priv->addr + I2SMOD, reg_info->cdclkcon_off, + CLK_GATE_SET_TO_DISABLE, &priv->lock); - i2s->clk_data.clk_num += 1; - i2s->clk_data.clks = i2s->clk_table; + priv->clk_data.clk_num += 1; + priv->clk_data.clks = priv->clk_table; ret = of_clk_add_provider(dev->of_node, of_clk_src_onecell_get, - &i2s->clk_data); + &priv->clk_data); if (ret < 0) { dev_err(dev, "failed to add clock provider: %d\n", ret); - i2s_unregister_clocks(i2s); + i2s_unregister_clocks(priv); } return ret; } +/* Create platform device for the secondary PCM */ +static int i2s_create_secondary_device(struct samsung_i2s_priv *priv) +{ + struct platform_device *pdev_sec; + const char *devname; + int ret; + + devname = devm_kasprintf(&priv->pdev->dev, GFP_KERNEL, "%s-sec", + dev_name(&priv->pdev->dev)); + if (!devname) + return -ENOMEM; + + pdev_sec = platform_device_alloc(devname, -1); + if (!pdev_sec) + return -ENOMEM; + + pdev_sec->driver_override = kstrdup("samsung-i2s", GFP_KERNEL); + + ret = platform_device_add(pdev_sec); + if (ret < 0) { + platform_device_put(pdev_sec); + return ret; + } + + ret = device_attach(&pdev_sec->dev); + if (ret <= 0) { + platform_device_unregister(priv->pdev_sec); + dev_info(&pdev_sec->dev, "device_attach() failed\n"); + return ret; + } + + priv->pdev_sec = pdev_sec; + + return 0; +} + +static void i2s_delete_secondary_device(struct samsung_i2s_priv *priv) +{ + platform_device_unregister(priv->pdev_sec); + priv->pdev_sec = NULL; +} + static int samsung_i2s_probe(struct platform_device *pdev) { struct i2s_dai *pri_dai, *sec_dai = NULL; struct s3c_audio_pdata *i2s_pdata = pdev->dev.platform_data; - struct resource *res; - u32 regs_base, quirks = 0, idma_addr = 0; + u32 regs_base, idma_addr = 0; struct device_node *np = pdev->dev.of_node; const struct samsung_i2s_dai_data *i2s_dai_data; - int ret; + const struct platform_device_id *id; + struct samsung_i2s_priv *priv; + struct resource *res; + int num_dais, ret; - if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) + if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) { i2s_dai_data = of_device_get_match_data(&pdev->dev); - else - i2s_dai_data = (struct samsung_i2s_dai_data *) - platform_get_device_id(pdev)->driver_data; + } else { + id = platform_get_device_id(pdev); - pri_dai = i2s_alloc_dai(pdev, i2s_dai_data, false); - if (!pri_dai) { - dev_err(&pdev->dev, "Unable to alloc I2S_pri\n"); - return -ENOMEM; + /* Nothing to do if it is the secondary device probe */ + if (!id) + return 0; + + i2s_dai_data = (struct samsung_i2s_dai_data *)id->driver_data; } - spin_lock_init(&pri_dai->spinlock); - pri_dai->lock = &pri_dai->spinlock; + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; - if (!np) { - if (i2s_pdata == NULL) { - dev_err(&pdev->dev, "Can't work without s3c_audio_pdata\n"); + if (np) { + priv->quirks = i2s_dai_data->quirks; + } else { + if (!i2s_pdata) { + dev_err(&pdev->dev, "Missing platform data\n"); return -EINVAL; } + priv->quirks = i2s_pdata->type.quirks; + } + num_dais = (priv->quirks & QUIRK_SEC_DAI) ? 2 : 1; + priv->pdev = pdev; + priv->variant_regs = i2s_dai_data->i2s_variant_regs; + + ret = i2s_alloc_dais(priv, i2s_dai_data, num_dais); + if (ret < 0) + return ret; + + pri_dai = &priv->dai[SAMSUNG_I2S_ID_PRIMARY - 1]; + + spin_lock_init(&priv->lock); + spin_lock_init(&priv->pcm_lock); + + if (!np) { pri_dai->dma_playback.filter_data = i2s_pdata->dma_playback; pri_dai->dma_capture.filter_data = i2s_pdata->dma_capture; pri_dai->filter = i2s_pdata->dma_filter; - quirks = i2s_pdata->type.quirks; idma_addr = i2s_pdata->type.idma_addr; } else { - quirks = i2s_dai_data->quirks; if (of_property_read_u32(np, "samsung,idma-addr", &idma_addr)) { - if (quirks & QUIRK_SUPPORTS_IDMA) { + if (priv->quirks & QUIRK_SUPPORTS_IDMA) { dev_info(&pdev->dev, "idma address is not"\ "specified"); } } } - quirks &= ~(QUIRK_SEC_DAI | QUIRK_SUPPORTS_IDMA); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - pri_dai->addr = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(pri_dai->addr)) - return PTR_ERR(pri_dai->addr); + priv->addr = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(priv->addr)) + return PTR_ERR(priv->addr); regs_base = res->start; - pri_dai->clk = devm_clk_get(&pdev->dev, "iis"); - if (IS_ERR(pri_dai->clk)) { + priv->clk = devm_clk_get(&pdev->dev, "iis"); + if (IS_ERR(priv->clk)) { dev_err(&pdev->dev, "Failed to get iis clock\n"); - return PTR_ERR(pri_dai->clk); + return PTR_ERR(priv->clk); } - ret = clk_prepare_enable(pri_dai->clk); + ret = clk_prepare_enable(priv->clk); if (ret != 0) { dev_err(&pdev->dev, "failed to enable clock: %d\n", ret); return ret; @@ -1338,33 +1469,19 @@ static int samsung_i2s_probe(struct platform_device *pdev) pri_dai->dma_capture.chan_name = "rx"; pri_dai->dma_playback.addr_width = 4; pri_dai->dma_capture.addr_width = 4; - pri_dai->quirks = quirks; - pri_dai->variant_regs = i2s_dai_data->i2s_variant_regs; + pri_dai->priv = priv; - if (quirks & QUIRK_PRI_6CHAN) - pri_dai->i2s_dai_drv.playback.channels_max = 6; + if (priv->quirks & QUIRK_PRI_6CHAN) + pri_dai->drv->playback.channels_max = 6; ret = samsung_asoc_dma_platform_register(&pdev->dev, pri_dai->filter, - NULL, NULL); - if (ret < 0) - goto err_disable_clk; - - ret = devm_snd_soc_register_component(&pdev->dev, - &samsung_i2s_component, - &pri_dai->i2s_dai_drv, 1); + "tx", "rx", NULL); if (ret < 0) goto err_disable_clk; - if (quirks & QUIRK_SEC_DAI) { - sec_dai = i2s_alloc_dai(pdev, i2s_dai_data, true); - if (!sec_dai) { - dev_err(&pdev->dev, "Unable to alloc I2S_sec\n"); - ret = -ENOMEM; - goto err_disable_clk; - } + if (priv->quirks & QUIRK_SEC_DAI) { + sec_dai = &priv->dai[SAMSUNG_I2S_ID_SECONDARY - 1]; - sec_dai->lock = &pri_dai->spinlock; - sec_dai->variant_regs = pri_dai->variant_regs; sec_dai->dma_playback.addr = regs_base + I2STXDS; sec_dai->dma_playback.chan_name = "tx-sec"; @@ -1374,62 +1491,72 @@ static int samsung_i2s_probe(struct platform_device *pdev) } sec_dai->dma_playback.addr_width = 4; - sec_dai->addr = pri_dai->addr; - sec_dai->clk = pri_dai->clk; - sec_dai->quirks = quirks; sec_dai->idma_playback.addr = idma_addr; sec_dai->pri_dai = pri_dai; + sec_dai->priv = priv; pri_dai->sec_dai = sec_dai; - ret = samsung_asoc_dma_platform_register(&pdev->dev, - sec_dai->filter, "tx-sec", NULL); + ret = i2s_create_secondary_device(priv); if (ret < 0) goto err_disable_clk; - ret = devm_snd_soc_register_component(&pdev->dev, - &samsung_i2s_component, - &sec_dai->i2s_dai_drv, 1); + ret = samsung_asoc_dma_platform_register(&priv->pdev_sec->dev, + sec_dai->filter, "tx-sec", NULL, + &pdev->dev); if (ret < 0) - goto err_disable_clk; + goto err_del_sec; + } 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_disable_clk; + goto err_del_sec; } - dev_set_drvdata(&pdev->dev, pri_dai); + dev_set_drvdata(&pdev->dev, priv); + + ret = devm_snd_soc_register_component(&pdev->dev, + &samsung_i2s_component, + priv->dai_drv, num_dais); + if (ret < 0) + goto err_del_sec; pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); - ret = i2s_register_clock_provider(pdev); + ret = i2s_register_clock_provider(priv); if (ret < 0) goto err_disable_pm; - pri_dai->op_clk = clk_get_parent(pri_dai->clk_table[CLK_I2S_RCLK_SRC]); + priv->op_clk = clk_get_parent(priv->clk_table[CLK_I2S_RCLK_SRC]); return 0; err_disable_pm: pm_runtime_disable(&pdev->dev); +err_del_sec: + i2s_delete_secondary_device(priv); err_disable_clk: - clk_disable_unprepare(pri_dai->clk); + clk_disable_unprepare(priv->clk); return ret; } static int samsung_i2s_remove(struct platform_device *pdev) { - struct i2s_dai *pri_dai; + struct samsung_i2s_priv *priv = dev_get_drvdata(&pdev->dev); - pri_dai = dev_get_drvdata(&pdev->dev); + /* The secondary device has no driver data assigned */ + if (!priv) + return 0; pm_runtime_get_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); - i2s_unregister_clock_provider(pdev); - clk_disable_unprepare(pri_dai->clk); + i2s_unregister_clock_provider(priv); + i2s_delete_secondary_device(priv); + clk_disable_unprepare(priv->clk); + pm_runtime_put_noidle(&pdev->dev); return 0; diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c index e7b371b07230..694512f980fd 100644 --- a/sound/soc/samsung/odroid.c +++ b/sound/soc/samsung/odroid.c @@ -7,6 +7,7 @@ */ #include <linux/clk.h> +#include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/module.h> @@ -17,26 +18,52 @@ struct odroid_priv { struct snd_soc_card card; - struct snd_soc_dai_link dai_link; - struct clk *clk_i2s_bus; struct clk *sclk_i2s; + + /* Spinlock protecting fields below */ + spinlock_t lock; + unsigned int be_sample_rate; + bool be_active; }; -static int odroid_card_startup(struct snd_pcm_substream *substream) +static int odroid_card_fe_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2); + return 0; } -static int odroid_card_hw_params(struct snd_pcm_substream *substream, +static int odroid_card_fe_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct odroid_priv *priv = snd_soc_card_get_drvdata(rtd->card); + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&priv->lock, flags); + if (priv->be_active && priv->be_sample_rate != params_rate(params)) + ret = -EINVAL; + spin_unlock_irqrestore(&priv->lock, flags); + + return ret; +} + +static const struct snd_soc_ops odroid_card_fe_ops = { + .startup = odroid_card_fe_startup, + .hw_params = odroid_card_fe_hw_params, +}; + +static int odroid_card_be_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct odroid_priv *priv = snd_soc_card_get_drvdata(rtd->card); unsigned int pll_freq, rclk_freq, rfs; + unsigned long flags; int ret; switch (params_rate(params)) { @@ -83,22 +110,97 @@ static int odroid_card_hw_params(struct snd_pcm_substream *substream, return ret; } + spin_lock_irqsave(&priv->lock, flags); + priv->be_sample_rate = params_rate(params); + spin_unlock_irqrestore(&priv->lock, flags); + + return 0; +} + +static int odroid_card_be_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct odroid_priv *priv = snd_soc_card_get_drvdata(rtd->card); + unsigned long flags; + + spin_lock_irqsave(&priv->lock, flags); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + priv->be_active = true; + break; + + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + priv->be_active = false; + break; + } + + spin_unlock_irqrestore(&priv->lock, flags); + return 0; } -static const struct snd_soc_ops odroid_card_ops = { - .startup = odroid_card_startup, - .hw_params = odroid_card_hw_params, +static const struct snd_soc_ops odroid_card_be_ops = { + .hw_params = odroid_card_be_hw_params, + .trigger = odroid_card_be_trigger, +}; + +/* DAPM routes for backward compatibility with old DTS */ +static const struct snd_soc_dapm_route odroid_dapm_routes[] = { + { "I2S Playback", NULL, "Mixer DAI TX" }, + { "HiFi Playback", NULL, "Mixer DAI TX" }, +}; + +static struct snd_soc_dai_link odroid_card_dais[] = { + { + /* Primary FE <-> BE link */ + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .ops = &odroid_card_fe_ops, + .name = "Primary", + .stream_name = "Primary", + .platform_name = "3830000.i2s", + .dynamic = 1, + .dpcm_playback = 1, + }, { + /* BE <-> CODECs link */ + .name = "I2S Mixer", + .cpu_name = "snd-soc-dummy", + .cpu_dai_name = "snd-soc-dummy-dai", + .platform_name = "snd-soc-dummy", + .ops = &odroid_card_be_ops, + .no_pcm = 1, + .dpcm_playback = 1, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + }, { + /* Secondary FE <-> BE link */ + .playback_only = 1, + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .ops = &odroid_card_fe_ops, + .name = "Secondary", + .stream_name = "Secondary", + .platform_name = "3830000.i2s-sec", + .dynamic = 1, + .dpcm_playback = 1, + } }; static int odroid_audio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct device_node *cpu_dai = NULL; struct device_node *cpu, *codec; struct odroid_priv *priv; - struct snd_soc_dai_link *link; struct snd_soc_card *card; - int ret; + struct snd_soc_dai_link *link, *codec_link; + int num_pcms, ret, i; + struct of_phandle_args args = {}; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -110,6 +212,7 @@ static int odroid_audio_probe(struct platform_device *pdev) card->owner = THIS_MODULE; card->fully_routed = true; + spin_lock_init(&priv->lock); snd_soc_card_set_drvdata(card, priv); ret = snd_soc_of_parse_card_name(card, "model"); @@ -130,45 +233,78 @@ static int odroid_audio_probe(struct platform_device *pdev) return ret; } - link = &priv->dai_link; - - link->ops = &odroid_card_ops; - link->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS; - - card->dai_link = &priv->dai_link; - card->num_links = 1; + card->dai_link = odroid_card_dais; + card->num_links = ARRAY_SIZE(odroid_card_dais); cpu = of_get_child_by_name(dev->of_node, "cpu"); codec = of_get_child_by_name(dev->of_node, "codec"); + link = card->dai_link; + codec_link = &card->dai_link[1]; - link->cpu_of_node = of_parse_phandle(cpu, "sound-dai", 0); - if (!link->cpu_of_node) { - dev_err(dev, "Failed parsing cpu/sound-dai property\n"); - return -EINVAL; + /* + * For backwards compatibility create the secondary CPU DAI link only + * if there are 2 CPU DAI entries in the cpu sound-dai property in DT. + * Also add required DAPM routes not available in old DTS. + */ + num_pcms = of_count_phandle_with_args(cpu, "sound-dai", + "#sound-dai-cells"); + if (num_pcms == 1) { + card->dapm_routes = odroid_dapm_routes; + card->num_dapm_routes = ARRAY_SIZE(odroid_dapm_routes); + card->num_links--; } - ret = snd_soc_of_get_dai_link_codecs(dev, codec, link); - if (ret < 0) - goto err_put_codec_n; + for (i = 0; i < num_pcms; i++, link += 2) { + ret = of_parse_phandle_with_args(cpu, "sound-dai", + "#sound-dai-cells", i, &args); + if (ret < 0) + break; + + if (!args.np) { + dev_err(dev, "sound-dai property parse error: %d\n", ret); + ret = -EINVAL; + break; + } - link->platform_of_node = link->cpu_of_node; + ret = snd_soc_get_dai_name(&args, &link->cpu_dai_name); + of_node_put(args.np); - link->name = "Primary"; - link->stream_name = link->name; + if (ret < 0) + break; + } + if (ret == 0) { + cpu_dai = of_parse_phandle(cpu, "sound-dai", 0); + if (!cpu_dai) + ret = -EINVAL; + } + of_node_put(cpu); + of_node_put(codec); + if (ret < 0) + return ret; + + ret = snd_soc_of_get_dai_link_codecs(dev, codec, codec_link); + if (ret < 0) + goto err_put_cpu_dai; + + /* Set capture capability only for boards with the MAX98090 CODEC */ + if (codec_link->num_codecs > 1) { + card->dai_link[0].dpcm_capture = 1; + card->dai_link[1].dpcm_capture = 1; + } - priv->sclk_i2s = of_clk_get_by_name(link->cpu_of_node, "i2s_opclk1"); + priv->sclk_i2s = of_clk_get_by_name(cpu_dai, "i2s_opclk1"); if (IS_ERR(priv->sclk_i2s)) { ret = PTR_ERR(priv->sclk_i2s); - goto err_put_i2s_n; + goto err_put_cpu_dai; } - priv->clk_i2s_bus = of_clk_get_by_name(link->cpu_of_node, "iis"); + priv->clk_i2s_bus = of_clk_get_by_name(cpu_dai, "iis"); if (IS_ERR(priv->clk_i2s_bus)) { ret = PTR_ERR(priv->clk_i2s_bus); goto err_put_sclk; } + of_node_put(cpu_dai); ret = devm_snd_soc_register_card(dev, card); if (ret < 0) { @@ -182,10 +318,9 @@ err_put_clk_i2s: clk_put(priv->clk_i2s_bus); err_put_sclk: clk_put(priv->sclk_i2s); -err_put_i2s_n: - of_node_put(link->cpu_of_node); -err_put_codec_n: - snd_soc_of_put_dai_link_codecs(link); +err_put_cpu_dai: + of_node_put(cpu_dai); + snd_soc_of_put_dai_link_codecs(codec_link); return ret; } @@ -193,8 +328,7 @@ static int odroid_audio_remove(struct platform_device *pdev) { struct odroid_priv *priv = platform_get_drvdata(pdev); - of_node_put(priv->dai_link.cpu_of_node); - snd_soc_of_put_dai_link_codecs(&priv->dai_link); + snd_soc_of_put_dai_link_codecs(&priv->card.dai_link[1]); clk_put(priv->sclk_i2s); clk_put(priv->clk_i2s_bus); diff --git a/sound/soc/samsung/pcm.c b/sound/soc/samsung/pcm.c index 37f95eee1558..3c7baa561084 100644 --- a/sound/soc/samsung/pcm.c +++ b/sound/soc/samsung/pcm.c @@ -553,7 +553,7 @@ static int s3c_pcm_dev_probe(struct platform_device *pdev) pcm->dma_playback = &s3c_pcm_stereo_out[pdev->id]; ret = samsung_asoc_dma_platform_register(&pdev->dev, filter, - NULL, NULL); + NULL, NULL, NULL); if (ret) { dev_err(&pdev->dev, "failed to get register DMA: %d\n", ret); goto err_dis_pclk; diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c index cc0840fff5aa..c08638b0e458 100644 --- a/sound/soc/samsung/s3c2412-i2s.c +++ b/sound/soc/samsung/s3c2412-i2s.c @@ -177,7 +177,7 @@ static int s3c2412_iis_dev_probe(struct platform_device *pdev) ret = samsung_asoc_dma_platform_register(&pdev->dev, pdata->dma_filter, - NULL, NULL); + "tx", "rx", NULL); if (ret) { pr_err("failed to register the DMA: %d\n", ret); return ret; diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c index 8d58d02183bf..a8026b640c95 100644 --- a/sound/soc/samsung/s3c24xx-i2s.c +++ b/sound/soc/samsung/s3c24xx-i2s.c @@ -446,7 +446,7 @@ static int s3c24xx_iis_dev_probe(struct platform_device *pdev) s3c24xx_i2s_pcm_stereo_in.addr = res->start + S3C2410_IISFIFO; ret = samsung_asoc_dma_platform_register(&pdev->dev, NULL, - NULL, NULL); + "tx", "rx", NULL); if (ret) { dev_err(&pdev->dev, "Failed to register the DMA: %d\n", ret); return ret; diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c index cb59911e65c0..5e4afb330416 100644 --- a/sound/soc/samsung/spdif.c +++ b/sound/soc/samsung/spdif.c @@ -430,7 +430,7 @@ static int spdif_probe(struct platform_device *pdev) spdif->dma_playback = &spdif_stereo_out; ret = samsung_asoc_dma_platform_register(&pdev->dev, filter, - NULL, NULL); + NULL, NULL, NULL); if (ret) { dev_err(&pdev->dev, "failed to register DMA: %d\n", ret); goto err4; |