[alsa-devel] [PATCH v5 8/8] ASoC: fsl-ssi: Use regmap

This patch replaces the ssi specific functions write_ssi, read_ssi and write_ssi_mask by standard regmap function calls.

Signed-off-by: Markus Pargmann mpa@pengutronix.de Tested-By: Michael Grzeschik mgr@pengutronix.de --- sound/soc/fsl/Kconfig | 1 + sound/soc/fsl/fsl_ssi.c | 241 ++++++++++++++++++++++++++---------------------- sound/soc/fsl/fsl_ssi.h | 50 +++++----- 3 files changed, 158 insertions(+), 134 deletions(-)

diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 338a916..2d6281f 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -4,6 +4,7 @@ config SND_SOC_FSL_SAI select SND_SOC_GENERIC_DMAENGINE_PCM

config SND_SOC_FSL_SSI + select REGMAP_MMIO tristate

config SND_SOC_FSL_SPDIF diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 9fe3a10..8d58b50 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -53,25 +53,6 @@ #include "fsl_ssi.h" #include "imx-pcm.h"

-#ifdef PPC -#define read_ssi(addr) in_be32(addr) -#define write_ssi(val, addr) out_be32(addr, val) -#define write_ssi_mask(addr, clear, set) clrsetbits_be32(addr, clear, set) -#else -#define read_ssi(addr) readl(addr) -#define write_ssi(val, addr) writel(val, addr) -/* - * FIXME: Proper locking should be added at write_ssi_mask caller level - * to ensure this register read/modify/write sequence is race free. - */ -static inline void write_ssi_mask(u32 __iomem *addr, u32 clear, u32 set) -{ - u32 val = readl(addr); - val = (val & ~clear) | set; - writel(val, addr); -} -#endif - /** * FSLSSI_I2S_RATES: sample rates supported by the I2S * @@ -131,6 +112,13 @@ struct fsl_ssi_rxtx_reg_val { struct fsl_ssi_reg_val rx; struct fsl_ssi_reg_val tx; }; +static const struct regmap_config fsl_ssi_regconfig = { + .max_register = CCSR_SSI_SACCDIS, + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, + .val_format_endian = REGMAP_ENDIAN_NATIVE, +};

struct fsl_ssi_soc_data { bool imx; @@ -141,7 +129,7 @@ struct fsl_ssi_soc_data { /** * fsl_ssi_private: per-SSI private data * - * @ssi: Pointer to the memory area + * @reg: Pointer to the regmap registers * @irq: IRQ of this SSI * @cpu_dai_drv: CPU DAI driver for this device * @@ -172,7 +160,7 @@ struct fsl_ssi_soc_data { * @soc: SoC specifc data */ struct fsl_ssi_private { - struct ccsr_ssi __iomem *ssi; + struct regmap *regs; unsigned int irq; struct snd_soc_dai_driver cpu_dai_drv;

@@ -285,7 +273,7 @@ static bool fsl_ssi_is_i2s_master(struct fsl_ssi_private *ssi_private) static irqreturn_t fsl_ssi_isr(int irq, void *dev_id) { struct fsl_ssi_private *ssi_private = dev_id; - struct ccsr_ssi __iomem *ssi = ssi_private->ssi; + struct regmap *regs = ssi_private->regs; __be32 sisr; __be32 sisr2;

@@ -293,12 +281,12 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id) were interrupted for. We mask it with the Interrupt Enable register so that we only check for events that we're interested in. */ - sisr = read_ssi(&ssi->sisr); + regmap_read(regs, CCSR_SSI_SISR, &sisr);

sisr2 = sisr & ssi_private->soc->sisr_write_mask; /* Clear the bits that we set */ if (sisr2) - write_ssi(sisr2, &ssi->sisr); + regmap_write(regs, CCSR_SSI_SISR, sisr2);

fsl_ssi_dbg_isr(&ssi_private->dbg_stats, sisr);

@@ -311,17 +299,26 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id) static void fsl_ssi_rxtx_config(struct fsl_ssi_private *ssi_private, bool enable) { - struct ccsr_ssi __iomem *ssi = ssi_private->ssi; + struct regmap *regs = ssi_private->regs; struct fsl_ssi_rxtx_reg_val *vals = &ssi_private->rxtx_reg_val;

if (enable) { - write_ssi_mask(&ssi->sier, 0, vals->rx.sier | vals->tx.sier); - write_ssi_mask(&ssi->srcr, 0, vals->rx.srcr | vals->tx.srcr); - write_ssi_mask(&ssi->stcr, 0, vals->rx.stcr | vals->tx.stcr); + regmap_update_bits(regs, CCSR_SSI_SIER, + vals->rx.sier | vals->tx.sier, + vals->rx.sier | vals->tx.sier); + regmap_update_bits(regs, CCSR_SSI_SRCR, + vals->rx.srcr | vals->tx.srcr, + vals->rx.srcr | vals->tx.srcr); + regmap_update_bits(regs, CCSR_SSI_STCR, + vals->rx.stcr | vals->tx.stcr, + vals->rx.stcr | vals->tx.stcr); } else { - write_ssi_mask(&ssi->srcr, vals->rx.srcr | vals->tx.srcr, 0); - write_ssi_mask(&ssi->stcr, vals->rx.stcr | vals->tx.stcr, 0); - write_ssi_mask(&ssi->sier, vals->rx.sier | vals->tx.sier, 0); + regmap_update_bits(regs, CCSR_SSI_SRCR, + vals->rx.srcr | vals->tx.srcr, 0); + regmap_update_bits(regs, CCSR_SSI_STCR, + vals->rx.stcr | vals->tx.stcr, 0); + regmap_update_bits(regs, CCSR_SSI_SIER, + vals->rx.sier | vals->tx.sier, 0); } }

@@ -352,13 +349,17 @@ static void fsl_ssi_rxtx_config(struct fsl_ssi_private *ssi_private, static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, struct fsl_ssi_reg_val *vals) { - struct ccsr_ssi __iomem *ssi = ssi_private->ssi; + struct regmap *regs = ssi_private->regs; struct fsl_ssi_reg_val *avals; - u32 scr_val = read_ssi(&ssi->scr); - int nr_active_streams = !!(scr_val & CCSR_SSI_SCR_TE) + - !!(scr_val & CCSR_SSI_SCR_RE); + int nr_active_streams; + u32 scr_val; int keep_active;

+ regmap_read(regs, CCSR_SSI_SCR, &scr_val); + + nr_active_streams = !!(scr_val & CCSR_SSI_SCR_TE) + + !!(scr_val & CCSR_SSI_SCR_RE); + if (nr_active_streams - 1 > 0) keep_active = 1; else @@ -375,7 +376,7 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, if (!enable) { u32 scr = fsl_ssi_disable_val(vals->scr, avals->scr, keep_active); - write_ssi_mask(&ssi->scr, scr, 0); + regmap_update_bits(regs, CCSR_SSI_SCR, scr, 0); }

/* @@ -396,9 +397,9 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, * (online configuration) */ if (enable) { - write_ssi_mask(&ssi->sier, 0, vals->sier); - write_ssi_mask(&ssi->srcr, 0, vals->srcr); - write_ssi_mask(&ssi->stcr, 0, vals->stcr); + regmap_update_bits(regs, CCSR_SSI_SIER, vals->sier, vals->sier); + regmap_update_bits(regs, CCSR_SSI_SRCR, vals->srcr, vals->srcr); + regmap_update_bits(regs, CCSR_SSI_STCR, vals->stcr, vals->stcr); } else { u32 sier; u32 srcr; @@ -421,15 +422,15 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, stcr = fsl_ssi_disable_val(vals->stcr, avals->stcr, keep_active);

- write_ssi_mask(&ssi->srcr, srcr, 0); - write_ssi_mask(&ssi->stcr, stcr, 0); - write_ssi_mask(&ssi->sier, sier, 0); + regmap_update_bits(regs, CCSR_SSI_SRCR, srcr, 0); + regmap_update_bits(regs, CCSR_SSI_STCR, stcr, 0); + regmap_update_bits(regs, CCSR_SSI_SIER, sier, 0); }

config_done: /* Enabling of subunits is done after configuration */ if (enable) - write_ssi_mask(&ssi->scr, 0, vals->scr); + regmap_update_bits(regs, CCSR_SSI_SCR, vals->scr, vals->scr); }

@@ -480,32 +481,33 @@ static void fsl_ssi_setup_reg_vals(struct fsl_ssi_private *ssi_private)

static void fsl_ssi_setup_ac97(struct fsl_ssi_private *ssi_private) { - struct ccsr_ssi __iomem *ssi = ssi_private->ssi; + struct regmap *regs = ssi_private->regs;

/* * Setup the clock control register */ - write_ssi(CCSR_SSI_SxCCR_WL(17) | CCSR_SSI_SxCCR_DC(13), - &ssi->stccr); - write_ssi(CCSR_SSI_SxCCR_WL(17) | CCSR_SSI_SxCCR_DC(13), - &ssi->srccr); + regmap_write(regs, CCSR_SSI_STCCR, + CCSR_SSI_SxCCR_WL(17) | CCSR_SSI_SxCCR_DC(13)); + regmap_write(regs, CCSR_SSI_SRCCR, + CCSR_SSI_SxCCR_WL(17) | CCSR_SSI_SxCCR_DC(13));

/* * Enable AC97 mode and startup the SSI */ - write_ssi(CCSR_SSI_SACNT_AC97EN | CCSR_SSI_SACNT_FV, - &ssi->sacnt); - write_ssi(0xff, &ssi->saccdis); - write_ssi(0x300, &ssi->saccen); + regmap_write(regs, CCSR_SSI_SACNT, + CCSR_SSI_SACNT_AC97EN | CCSR_SSI_SACNT_FV); + regmap_write(regs, CCSR_SSI_SACCDIS, 0xff); + regmap_write(regs, CCSR_SSI_SACCEN, 0x300);

/* * Enable SSI, Transmit and Receive. AC97 has to communicate with the * codec before a stream is started. */ - write_ssi_mask(&ssi->scr, 0, CCSR_SSI_SCR_SSIEN | - CCSR_SSI_SCR_TE | CCSR_SSI_SCR_RE); + regmap_update_bits(regs, CCSR_SSI_SCR, + CCSR_SSI_SCR_SSIEN | CCSR_SSI_SCR_TE | CCSR_SSI_SCR_RE, + CCSR_SSI_SCR_SSIEN | CCSR_SSI_SCR_TE | CCSR_SSI_SCR_RE);

- write_ssi(CCSR_SSI_SOR_WAIT(3), &ssi->sor); + regmap_write(regs, CCSR_SSI_SOR, CCSR_SSI_SOR_WAIT(3)); }

/** @@ -549,7 +551,7 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { struct fsl_ssi_private *ssi_private = snd_soc_dai_get_drvdata(cpu_dai); - struct ccsr_ssi __iomem *ssi = ssi_private->ssi; + struct regmap *regs = ssi_private->regs; int synchronous = ssi_private->cpu_dai_drv.symmetric_rates, ret; u32 pm = 999, div2, psr, stccr, mask, afreq, factor, i; unsigned long clkrate, baudrate, tmprate; @@ -626,9 +628,9 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, CCSR_SSI_SxCCR_PSR;

if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK || synchronous) - write_ssi_mask(&ssi->stccr, mask, stccr); + regmap_update_bits(regs, CCSR_SSI_STCCR, mask, stccr); else - write_ssi_mask(&ssi->srccr, mask, stccr); + regmap_update_bits(regs, CCSR_SSI_SRCCR, mask, stccr);

if (!baudclk_is_used) { ret = clk_set_rate(ssi_private->baudclk, baudrate); @@ -668,13 +670,17 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params, struct snd_soc_dai *cpu_dai) { struct fsl_ssi_private *ssi_private = snd_soc_dai_get_drvdata(cpu_dai); - struct ccsr_ssi __iomem *ssi = ssi_private->ssi; + struct regmap *regs = ssi_private->regs; unsigned int channels = params_channels(hw_params); unsigned int sample_size = snd_pcm_format_width(params_format(hw_params)); u32 wl = CCSR_SSI_SxCCR_WL(sample_size); - int enabled = read_ssi(&ssi->scr) & CCSR_SSI_SCR_SSIEN; int ret; + u32 scr_val; + int enabled; + + regmap_read(regs, CCSR_SSI_SCR, &scr_val); + enabled = scr_val & CCSR_SSI_SCR_SSIEN;

/* * If we're in synchronous mode, and the SSI is already enabled, @@ -711,12 +717,14 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream, /* In synchronous mode, the SSI uses STCCR for capture */ if ((substream->stream == SNDRV_PCM_STREAM_PLAYBACK) || ssi_private->cpu_dai_drv.symmetric_rates) - write_ssi_mask(&ssi->stccr, CCSR_SSI_SxCCR_WL_MASK, wl); + regmap_update_bits(regs, CCSR_SSI_STCCR, CCSR_SSI_SxCCR_WL_MASK, + wl); else - write_ssi_mask(&ssi->srccr, CCSR_SSI_SxCCR_WL_MASK, wl); + regmap_update_bits(regs, CCSR_SSI_SRCCR, CCSR_SSI_SxCCR_WL_MASK, + wl);

if (!fsl_ssi_is_ac97(ssi_private)) - write_ssi_mask(&ssi->scr, + regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_NET | CCSR_SSI_SCR_I2S_MODE_MASK, channels == 1 ? 0 : ssi_private->i2s_mode);

@@ -742,7 +750,7 @@ static int fsl_ssi_hw_free(struct snd_pcm_substream *substream, static int _fsl_ssi_set_dai_fmt(struct fsl_ssi_private *ssi_private, unsigned int fmt) { - struct ccsr_ssi __iomem *ssi = ssi_private->ssi; + struct regmap *regs = ssi_private->regs; u32 strcr = 0, stcr, srcr, scr, mask; u8 wm;

@@ -755,14 +763,17 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi_private *ssi_private,

fsl_ssi_setup_reg_vals(ssi_private);

- scr = read_ssi(&ssi->scr) & ~(CCSR_SSI_SCR_SYN | CCSR_SSI_SCR_I2S_MODE_MASK); + regmap_read(regs, CCSR_SSI_SCR, &scr); + scr &= ~(CCSR_SSI_SCR_SYN | CCSR_SSI_SCR_I2S_MODE_MASK); scr |= CCSR_SSI_SCR_SYNC_TX_FS;

mask = CCSR_SSI_STCR_TXBIT0 | CCSR_SSI_STCR_TFDIR | CCSR_SSI_STCR_TXDIR | CCSR_SSI_STCR_TSCKP | CCSR_SSI_STCR_TFSI | CCSR_SSI_STCR_TFSL | CCSR_SSI_STCR_TEFS; - stcr = read_ssi(&ssi->stcr) & ~mask; - srcr = read_ssi(&ssi->srcr) & ~mask; + regmap_read(regs, CCSR_SSI_STCR, &stcr); + regmap_read(regs, CCSR_SSI_SRCR, &srcr); + stcr &= ~mask; + srcr &= ~mask;

ssi_private->i2s_mode = CCSR_SSI_SCR_NET; switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { @@ -770,10 +781,12 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi_private *ssi_private, switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: ssi_private->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_MASTER; - write_ssi_mask(&ssi->stccr, CCSR_SSI_SxCCR_DC_MASK, - CCSR_SSI_SxCCR_DC(2)); - write_ssi_mask(&ssi->srccr, CCSR_SSI_SxCCR_DC_MASK, - CCSR_SSI_SxCCR_DC(2)); + regmap_update_bits(regs, CCSR_SSI_STCCR, + CCSR_SSI_SxCCR_DC_MASK, + CCSR_SSI_SxCCR_DC(2)); + regmap_update_bits(regs, CCSR_SSI_SRCCR, + CCSR_SSI_SxCCR_DC_MASK, + CCSR_SSI_SxCCR_DC(2)); break; case SND_SOC_DAIFMT_CBM_CFM: ssi_private->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_SLAVE; @@ -852,9 +865,9 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi_private *ssi_private, scr |= CCSR_SSI_SCR_SYN; }

- write_ssi(stcr, &ssi->stcr); - write_ssi(srcr, &ssi->srcr); - write_ssi(scr, &ssi->scr); + regmap_write(regs, CCSR_SSI_STCR, stcr); + regmap_write(regs, CCSR_SSI_SRCR, srcr); + regmap_write(regs, CCSR_SSI_SCR, scr);

/* * Set the watermark for transmit FIFI 0 and receive FIFO 0. We don't @@ -872,16 +885,16 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi_private *ssi_private, else wm = ssi_private->fifo_depth;

- write_ssi(CCSR_SSI_SFCSR_TFWM0(wm) | CCSR_SSI_SFCSR_RFWM0(wm) | - CCSR_SSI_SFCSR_TFWM1(wm) | CCSR_SSI_SFCSR_RFWM1(wm), - &ssi->sfcsr); + regmap_write(regs, CCSR_SSI_SFCSR, + CCSR_SSI_SFCSR_TFWM0(wm) | CCSR_SSI_SFCSR_RFWM0(wm) | + CCSR_SSI_SFCSR_TFWM1(wm) | CCSR_SSI_SFCSR_RFWM1(wm));

if (ssi_private->use_dual_fifo) { - write_ssi_mask(&ssi->srcr, CCSR_SSI_SRCR_RFEN1, + regmap_update_bits(regs, CCSR_SSI_SRCR, CCSR_SSI_SRCR_RFEN1, CCSR_SSI_SRCR_RFEN1); - write_ssi_mask(&ssi->stcr, CCSR_SSI_STCR_TFEN1, + regmap_update_bits(regs, CCSR_SSI_STCR, CCSR_SSI_STCR_TFEN1, CCSR_SSI_STCR_TFEN1); - write_ssi_mask(&ssi->scr, CCSR_SSI_SCR_TCH_EN, + regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_TCH_EN, CCSR_SSI_SCR_TCH_EN); }

@@ -911,31 +924,34 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, u32 tx_mask, u32 rx_mask, int slots, int slot_width) { struct fsl_ssi_private *ssi_private = snd_soc_dai_get_drvdata(cpu_dai); - struct ccsr_ssi __iomem *ssi = ssi_private->ssi; + struct regmap *regs = ssi_private->regs; u32 val;

/* The slot number should be >= 2 if using Network mode or I2S mode */ - val = read_ssi(&ssi->scr) & (CCSR_SSI_SCR_I2S_MODE_MASK | CCSR_SSI_SCR_NET); + regmap_read(regs, CCSR_SSI_SCR, &val); + val &= CCSR_SSI_SCR_I2S_MODE_MASK | CCSR_SSI_SCR_NET; if (val && slots < 2) { dev_err(cpu_dai->dev, "slot number should be >= 2 in I2S or NET\n"); return -EINVAL; }

- write_ssi_mask(&ssi->stccr, CCSR_SSI_SxCCR_DC_MASK, + regmap_update_bits(regs, CCSR_SSI_STCCR, CCSR_SSI_SxCCR_DC_MASK, CCSR_SSI_SxCCR_DC(slots)); - write_ssi_mask(&ssi->srccr, CCSR_SSI_SxCCR_DC_MASK, + regmap_update_bits(regs, CCSR_SSI_SRCCR, CCSR_SSI_SxCCR_DC_MASK, CCSR_SSI_SxCCR_DC(slots));

/* The register SxMSKs needs SSI to provide essential clock due to * hardware design. So we here temporarily enable SSI to set them. */ - val = read_ssi(&ssi->scr) & CCSR_SSI_SCR_SSIEN; - write_ssi_mask(&ssi->scr, 0, CCSR_SSI_SCR_SSIEN); + regmap_read(regs, CCSR_SSI_SCR, &val); + val &= CCSR_SSI_SCR_SSIEN; + regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_SSIEN, + CCSR_SSI_SCR_SSIEN);

- write_ssi(tx_mask, &ssi->stmsk); - write_ssi(rx_mask, &ssi->srmsk); + regmap_write(regs, CCSR_SSI_STMSK, tx_mask); + regmap_write(regs, CCSR_SSI_SRMSK, rx_mask);

- write_ssi_mask(&ssi->scr, CCSR_SSI_SCR_SSIEN, val); + regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_SSIEN, val);

return 0; } @@ -954,7 +970,7 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd, { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct fsl_ssi_private *ssi_private = snd_soc_dai_get_drvdata(rtd->cpu_dai); - struct ccsr_ssi __iomem *ssi = ssi_private->ssi; + struct regmap *regs = ssi_private->regs;

switch (cmd) { case SNDRV_PCM_TRIGGER_START: @@ -981,9 +997,9 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd,

if (fsl_ssi_is_ac97(ssi_private)) { if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - write_ssi(CCSR_SSI_SOR_TX_CLR, &ssi->sor); + regmap_write(regs, CCSR_SSI_SOR, CCSR_SSI_SOR_TX_CLR); else - write_ssi(CCSR_SSI_SOR_RX_CLR, &ssi->sor); + regmap_write(regs, CCSR_SSI_SOR, CCSR_SSI_SOR_RX_CLR); }

return 0; @@ -1058,7 +1074,7 @@ static struct fsl_ssi_private *fsl_ac97_data; static void fsl_ssi_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) { - struct ccsr_ssi *ssi = fsl_ac97_data->ssi; + struct regmap *regs = fsl_ac97_data->regs; unsigned int lreg; unsigned int lval;

@@ -1067,12 +1083,12 @@ static void fsl_ssi_ac97_write(struct snd_ac97 *ac97, unsigned short reg,

lreg = reg << 12; - write_ssi(lreg, &ssi->sacadd); + regmap_write(regs, CCSR_SSI_SACADD, lreg);

lval = val << 4; - write_ssi(lval , &ssi->sacdat); + regmap_write(regs, CCSR_SSI_SACDAT, lval);

- write_ssi_mask(&ssi->sacnt, CCSR_SSI_SACNT_RDWR_MASK, + regmap_update_bits(regs, CCSR_SSI_SACNT, CCSR_SSI_SACNT_RDWR_MASK, CCSR_SSI_SACNT_WR); udelay(100); } @@ -1080,19 +1096,21 @@ static void fsl_ssi_ac97_write(struct snd_ac97 *ac97, unsigned short reg, static unsigned short fsl_ssi_ac97_read(struct snd_ac97 *ac97, unsigned short reg) { - struct ccsr_ssi *ssi = fsl_ac97_data->ssi; + struct regmap *regs = fsl_ac97_data->regs;

unsigned short val = -1; + u32 reg_val; unsigned int lreg;

lreg = (reg & 0x7f) << 12; - write_ssi(lreg, &ssi->sacadd); - write_ssi_mask(&ssi->sacnt, CCSR_SSI_SACNT_RDWR_MASK, + regmap_write(regs, CCSR_SSI_SACADD, lreg); + regmap_update_bits(regs, CCSR_SSI_SACNT, CCSR_SSI_SACNT_RDWR_MASK, CCSR_SSI_SACNT_RD);

udelay(100);

- val = (read_ssi(&ssi->sacdat) >> 4) & 0xffff; + regmap_read(regs, CCSR_SSI_SACDAT, &reg_val); + val = (reg_val >> 4) & 0xffff;

return val; } @@ -1151,10 +1169,8 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev, */ ssi_private->dma_params_tx.maxburst = ssi_private->fifo_depth - 2; ssi_private->dma_params_rx.maxburst = ssi_private->fifo_depth - 2; - ssi_private->dma_params_tx.addr = ssi_private->ssi_phys + - offsetof(struct ccsr_ssi, stx0); - ssi_private->dma_params_rx.addr = ssi_private->ssi_phys + - offsetof(struct ccsr_ssi, srx0); + ssi_private->dma_params_tx.addr = ssi_private->ssi_phys + CCSR_SSI_STX0; + ssi_private->dma_params_rx.addr = ssi_private->ssi_phys + CCSR_SSI_SRX0;

ret = !of_property_read_u32_array(np, "dmas", dmas, 4); if (ssi_private->use_dma && !ret && dmas[2] == IMX_DMATYPE_SSI_DUAL) { @@ -1216,6 +1232,7 @@ static int fsl_ssi_probe(struct platform_device *pdev) const char *p, *sprop; const uint32_t *iprop; struct resource res; + void __iomem *iomem; char name[64];

/* SSIs that are not connected on the board should have a @@ -1270,12 +1287,20 @@ static int fsl_ssi_probe(struct platform_device *pdev) dev_err(&pdev->dev, "could not determine device resources\n"); return ret; } - ssi_private->ssi = of_iomap(np, 0); - if (!ssi_private->ssi) { + ssi_private->ssi_phys = res.start; + + iomem = devm_ioremap(&pdev->dev, res.start, resource_size(&res)); + if (!iomem) { dev_err(&pdev->dev, "could not map device resources\n"); return -ENOMEM; } - ssi_private->ssi_phys = res.start; + + ssi_private->regs = devm_regmap_init_mmio(&pdev->dev, iomem, + &fsl_ssi_regconfig); + if (IS_ERR(ssi_private->regs)) { + dev_err(&pdev->dev, "Failed to init register map\n"); + return PTR_ERR(ssi_private->regs); + }

ssi_private->irq = irq_of_parse_and_map(np, 0); if (!ssi_private->irq) { @@ -1301,7 +1326,7 @@ static int fsl_ssi_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, ssi_private);

if (ssi_private->soc->imx) { - ret = fsl_ssi_imx_probe(pdev, ssi_private, ssi_private->ssi); + ret = fsl_ssi_imx_probe(pdev, ssi_private, iomem); if (ret) goto error_irqmap; } diff --git a/sound/soc/fsl/fsl_ssi.h b/sound/soc/fsl/fsl_ssi.h index 71c3e7e..5065105 100644 --- a/sound/soc/fsl/fsl_ssi.h +++ b/sound/soc/fsl/fsl_ssi.h @@ -12,32 +12,30 @@ #ifndef _MPC8610_I2S_H #define _MPC8610_I2S_H

-/* SSI Register Map */ -struct ccsr_ssi { - __be32 stx0; /* 0x.0000 - SSI Transmit Data Register 0 */ - __be32 stx1; /* 0x.0004 - SSI Transmit Data Register 1 */ - __be32 srx0; /* 0x.0008 - SSI Receive Data Register 0 */ - __be32 srx1; /* 0x.000C - SSI Receive Data Register 1 */ - __be32 scr; /* 0x.0010 - SSI Control Register */ - __be32 sisr; /* 0x.0014 - SSI Interrupt Status Register Mixed */ - __be32 sier; /* 0x.0018 - SSI Interrupt Enable Register */ - __be32 stcr; /* 0x.001C - SSI Transmit Configuration Register */ - __be32 srcr; /* 0x.0020 - SSI Receive Configuration Register */ - __be32 stccr; /* 0x.0024 - SSI Transmit Clock Control Register */ - __be32 srccr; /* 0x.0028 - SSI Receive Clock Control Register */ - __be32 sfcsr; /* 0x.002C - SSI FIFO Control/Status Register */ - __be32 str; /* 0x.0030 - SSI Test Register */ - __be32 sor; /* 0x.0034 - SSI Option Register */ - __be32 sacnt; /* 0x.0038 - SSI AC97 Control Register */ - __be32 sacadd; /* 0x.003C - SSI AC97 Command Address Register */ - __be32 sacdat; /* 0x.0040 - SSI AC97 Command Data Register */ - __be32 satag; /* 0x.0044 - SSI AC97 Tag Register */ - __be32 stmsk; /* 0x.0048 - SSI Transmit Time Slot Mask Register */ - __be32 srmsk; /* 0x.004C - SSI Receive Time Slot Mask Register */ - __be32 saccst; /* 0x.0050 - SSI AC97 Channel Status Register */ - __be32 saccen; /* 0x.0054 - SSI AC97 Channel Enable Register */ - __be32 saccdis; /* 0x.0058 - SSI AC97 Channel Disable Register */ -}; +/* SSI registers */ +#define CCSR_SSI_STX0 0x00 +#define CCSR_SSI_STX1 0x04 +#define CCSR_SSI_SRX0 0x08 +#define CCSR_SSI_SRX1 0x0c +#define CCSR_SSI_SCR 0x10 +#define CCSR_SSI_SISR 0x14 +#define CCSR_SSI_SIER 0x18 +#define CCSR_SSI_STCR 0x1c +#define CCSR_SSI_SRCR 0x20 +#define CCSR_SSI_STCCR 0x24 +#define CCSR_SSI_SRCCR 0x28 +#define CCSR_SSI_SFCSR 0x2c +#define CCSR_SSI_STR 0x30 +#define CCSR_SSI_SOR 0x34 +#define CCSR_SSI_SACNT 0x38 +#define CCSR_SSI_SACADD 0x3c +#define CCSR_SSI_SACDAT 0x40 +#define CCSR_SSI_SATAG 0x44 +#define CCSR_SSI_STMSK 0x48 +#define CCSR_SSI_SRMSK 0x4c +#define CCSR_SSI_SACCST 0x50 +#define CCSR_SSI_SACCEN 0x54 +#define CCSR_SSI_SACCDIS 0x58

#define CCSR_SSI_SCR_SYNC_TX_FS 0x00001000 #define CCSR_SSI_SCR_RFR_CLK_DIS 0x00000800