From patchwork Wed Feb 26 16:02:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Pargmann X-Patchwork-Id: 3726651 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 38B099F2F7 for ; Wed, 26 Feb 2014 17:21:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 835002016C for ; Wed, 26 Feb 2014 17:21:56 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 4CAF82014A for ; Wed, 26 Feb 2014 17:21:54 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 1FFB4265DC6; Wed, 26 Feb 2014 18:21:53 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 48938265A59; Wed, 26 Feb 2014 17:41:57 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id ACBB3265A59; Wed, 26 Feb 2014 17:41:55 +0100 (CET) Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [92.198.50.35]) by alsa0.perex.cz (Postfix) with ESMTP id 3A695265B42 for ; Wed, 26 Feb 2014 17:05:28 +0100 (CET) Received: from dude.hi.pengutronix.de ([2001:6f8:1178:2:21e:67ff:fe11:9c5c]) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1WIgyH-0005S9-La; Wed, 26 Feb 2014 17:04:33 +0100 Received: from mpa by dude.hi.pengutronix.de with local (Exim 4.82) (envelope-from ) id 1WIgyF-0004ZB-SO; Wed, 26 Feb 2014 17:04:31 +0100 From: Markus Pargmann To: Mark Brown Date: Wed, 26 Feb 2014 17:02:04 +0100 Message-Id: <1393430538-32333-2-git-send-email-mpa@pengutronix.de> X-Mailer: git-send-email 1.8.5.3 In-Reply-To: <1393430538-32333-1-git-send-email-mpa@pengutronix.de> References: <1393430538-32333-1-git-send-email-mpa@pengutronix.de> X-SA-Exim-Connect-IP: 2001:6f8:1178:2:21e:67ff:fe11:9c5c X-SA-Exim-Mail-From: mpa@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: alsa-devel@alsa-project.org Cc: Fabio Estevam , alsa-devel@alsa-project.org, Timur Tabi , kernel@pengutronix.de, Nicolin Chen , Markus Pargmann , linux-arm-kernel@lists.infradead.org Subject: [alsa-devel] [PATCH 01/15] ASoC: fsl-ssi: Use regmap X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP 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 --- sound/soc/fsl/Kconfig | 1 + sound/soc/fsl/fsl_ssi.c | 267 +++++++++++++++++++++++++++--------------------- sound/soc/fsl/fsl_ssi.h | 50 +++++---- 3 files changed, 176 insertions(+), 142 deletions(-) diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 07f8f14..fbaea8a 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -3,6 +3,7 @@ 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 5428a1f..a77daa5 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -54,25 +54,6 @@ #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 * @@ -134,6 +115,15 @@ 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, +#ifdef PPC + .val_format_endian = REGMAP_ENDIAN_BIG, +#endif +}; /** * fsl_ssi_private: per-SSI private data @@ -149,7 +139,7 @@ struct fsl_ssi_rxtx_reg_val { * @name: name for this device */ struct fsl_ssi_private { - struct ccsr_ssi __iomem *ssi; + struct regmap *regs; dma_addr_t ssi_phys; unsigned int irq; unsigned int fifo_depth; @@ -230,7 +220,7 @@ MODULE_DEVICE_TABLE(of, fsl_ssi_ids); 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; irqreturn_t ret = IRQ_NONE; __be32 sisr; __be32 sisr2; @@ -258,7 +248,8 @@ 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) & FSLSSI_SISR_MASK; + regmap_read(regs, CCSR_SSI_SISR, &sisr); + sisr &= FSLSSI_SISR_MASK; if (sisr & CCSR_SSI_SISR_RFRC) { ssi_private->stats.rfrc++; @@ -368,7 +359,7 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id) sisr2 = sisr & sisr_write_mask; /* Clear the bits that we set */ if (sisr2) - write_ssi(sisr2, &ssi->sisr); + regmap_write(regs, CCSR_SSI_SISR, sisr2); return ret; } @@ -475,17 +466,26 @@ static void fsl_ssi_debugfs_remove(struct fsl_ssi_private *ssi_private) 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); } } @@ -496,11 +496,14 @@ 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); + u32 scr_val; + int nr_active_streams; + + regmap_read(regs, CCSR_SSI_SCR, &scr_val); + nr_active_streams = !!(scr_val & CCSR_SSI_SCR_TE) + + !!(scr_val & CCSR_SSI_SCR_RE); /* Find the other direction values rx or tx which we do not want to * modify */ @@ -512,7 +515,7 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, /* If vals should be disabled, start with disabling the unit */ if (!enable) { u32 scr = vals->scr & (vals->scr ^ avals->scr); - write_ssi_mask(&ssi->scr, scr, 0); + regmap_update_bits(regs, CCSR_SSI_SCR, scr, 0); } /* @@ -533,9 +536,9 @@ 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; @@ -555,15 +558,15 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, srcr = vals->srcr & (vals->srcr ^ avals->srcr); stcr = vals->stcr & (vals->stcr ^ avals->stcr); - 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); } @@ -614,37 +617,38 @@ 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)); } static int fsl_ssi_setup(struct fsl_ssi_private *ssi_private) { - struct ccsr_ssi __iomem *ssi = ssi_private->ssi; + struct regmap *regs = ssi_private->regs; u8 wm; int synchronous = ssi_private->cpu_dai_drv.symmetric_rates; @@ -659,7 +663,7 @@ static int fsl_ssi_setup(struct fsl_ssi_private *ssi_private) * Section 16.5 of the MPC8610 reference manual says that the SSI needs * to be disabled before updating the registers we set here. */ - write_ssi_mask(&ssi->scr, CCSR_SSI_SCR_SSIEN, 0); + regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_SSIEN, 0); /* * Program the SSI into I2S Slave Non-Network Synchronous mode. Also @@ -667,17 +671,19 @@ static int fsl_ssi_setup(struct fsl_ssi_private *ssi_private) * * FIXME: Little-endian samples require a different shift dir */ - write_ssi_mask(&ssi->scr, - CCSR_SSI_SCR_I2S_MODE_MASK | CCSR_SSI_SCR_SYN, - CCSR_SSI_SCR_TFR_CLK_DIS | - ssi_private->i2s_mode | - (synchronous ? CCSR_SSI_SCR_SYN : 0)); + regmap_update_bits(regs, CCSR_SSI_SCR, + CCSR_SSI_SCR_I2S_MODE_MASK | CCSR_SSI_SCR_SYN | + CCSR_SSI_SCR_TFR_CLK_DIS, + CCSR_SSI_SCR_TFR_CLK_DIS | ssi_private->i2s_mode | + (synchronous ? CCSR_SSI_SCR_SYN : 0)); - write_ssi(CCSR_SSI_STCR_TXBIT0 | CCSR_SSI_STCR_TFSI | - CCSR_SSI_STCR_TEFS | CCSR_SSI_STCR_TSCKP, &ssi->stcr); + regmap_write(regs, CCSR_SSI_STCR, CCSR_SSI_STCR_TXBIT0 | + CCSR_SSI_STCR_TFSI | CCSR_SSI_STCR_TEFS | + CCSR_SSI_STCR_TSCKP); - write_ssi(CCSR_SSI_SRCR_RXBIT0 | CCSR_SSI_SRCR_RFSI | - CCSR_SSI_SRCR_REFS | CCSR_SSI_SRCR_RSCKP, &ssi->srcr); + regmap_write(regs, CCSR_SSI_SRCR, CCSR_SSI_SRCR_RXBIT0 | + CCSR_SSI_SRCR_RFSI | CCSR_SSI_SRCR_REFS | + CCSR_SSI_SRCR_RSCKP); /* * The DC and PM bits are only used if the SSI is the clock master. @@ -699,9 +705,9 @@ static int fsl_ssi_setup(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)); /* * For ac97 interrupts are enabled with the startup of the substream @@ -716,16 +722,19 @@ static int fsl_ssi_setup(struct fsl_ssi_private *ssi_private) * cases like I2S mode to call the extra set_tdm_slot() any more. */ if (!ssi_private->imx_ac97) { - 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(2)); - 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(2)); } if (ssi_private->use_dual_fifo) { - write_ssi_mask(&ssi->srcr, 0, CCSR_SSI_SRCR_RFEN1); - write_ssi_mask(&ssi->stcr, 0, CCSR_SSI_STCR_TFEN1); - write_ssi_mask(&ssi->scr, 0, CCSR_SSI_SCR_TCH_EN); + regmap_update_bits(regs, CCSR_SSI_SRCR, CCSR_SSI_SRCR_RFEN1, + CCSR_SSI_SRCR_RFEN1); + regmap_update_bits(regs, CCSR_SSI_STCR, CCSR_SSI_STCR_TFEN1, + CCSR_SSI_STCR_TFEN1); + regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_TCH_EN, + CCSR_SSI_SCR_TCH_EN); } return 0; @@ -788,12 +797,16 @@ 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; + 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, @@ -815,12 +828,14 @@ 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 (!ssi_private->imx_ac97) - 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); @@ -833,17 +848,20 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream, static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) { 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 strcr = 0, stcr, srcr, scr, mask; - 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_NET; 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; switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: @@ -925,9 +943,9 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) 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); return 0; } @@ -945,7 +963,7 @@ static int fsl_ssi_set_dai_sysclk(struct snd_soc_dai *cpu_dai, int clk_id, unsigned int freq, int dir) { 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 flags, clkrate, baudrate, tmprate; @@ -1007,9 +1025,9 @@ static int fsl_ssi_set_dai_sysclk(struct snd_soc_dai *cpu_dai, mask = CCSR_SSI_SxCCR_PM_MASK | CCSR_SSI_SxCCR_DIV2 | CCSR_SSI_SxCCR_PSR; if (dir == SND_SOC_CLOCK_OUT || 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); spin_lock_irqsave(&ssi_private->baudclk_lock, flags); if (!ssi_private->baudclk_locked) { @@ -1035,31 +1053,34 @@ 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; } @@ -1078,8 +1099,9 @@ 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; unsigned long flags; + u32 val; switch (cmd) { case SNDRV_PCM_TRIGGER_START: @@ -1097,8 +1119,9 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd, else fsl_ssi_rx_config(ssi_private, false); - if (!ssi_private->imx_ac97 && (read_ssi(&ssi->scr) & - (CCSR_SSI_SCR_TE | CCSR_SSI_SCR_RE)) == 0) { + regmap_read(regs, CCSR_SSI_SCR, &val); + val &= CCSR_SSI_SCR_TE | CCSR_SSI_SCR_RE; + if (!ssi_private->imx_ac97 && !val) { spin_lock_irqsave(&ssi_private->baudclk_lock, flags); ssi_private->baudclk_locked = false; spin_unlock_irqrestore(&ssi_private->baudclk_lock, flags); @@ -1111,9 +1134,9 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd, if (ssi_private->imx_ac97) { 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; @@ -1192,7 +1215,7 @@ static void fsl_ssi_ac97_init(void) 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; @@ -1201,12 +1224,12 @@ 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); } @@ -1214,19 +1237,21 @@ 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, ®_val); + val = (reg_val >> 4) & 0xffff; return val; } @@ -1262,6 +1287,7 @@ 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]; bool shared; bool ac97 = false; @@ -1322,12 +1348,20 @@ 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) { @@ -1416,9 +1450,9 @@ static int fsl_ssi_probe(struct platform_device *pdev) 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->ssi_phys + CCSR_SSI_STX0; ssi_private->dma_params_rx.addr = - ssi_private->ssi_phys + offsetof(struct ccsr_ssi, srx0); + ssi_private->ssi_phys + CCSR_SSI_SRX0; ssi_private->dma_params_tx.filter_data = &ssi_private->filter_data_tx; ssi_private->dma_params_rx.filter_data = @@ -1488,6 +1522,7 @@ static int fsl_ssi_probe(struct platform_device *pdev) if (ret) goto error_dbgfs; + if (ssi_private->ssi_on_imx) { if (!ssi_private->use_dma) { @@ -1499,7 +1534,7 @@ static int fsl_ssi_probe(struct platform_device *pdev) */ ssi_private->fiq_params.irq = ssi_private->irq; - ssi_private->fiq_params.base = ssi_private->ssi; + ssi_private->fiq_params.base = iomem; ssi_private->fiq_params.dma_params_rx = &ssi_private->dma_params_rx; ssi_private->fiq_params.dma_params_tx = diff --git a/sound/soc/fsl/fsl_ssi.h b/sound/soc/fsl/fsl_ssi.h index e6b6324..85f85dc 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_RFR_CLK_DIS 0x00000800 #define CCSR_SSI_SCR_TFR_CLK_DIS 0x00000400