From patchwork Wed Dec 13 06:34:24 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolin Chen X-Patchwork-Id: 10109303 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id AE125602C2 for ; Wed, 13 Dec 2017 06:36:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A70DA1FF40 for ; Wed, 13 Dec 2017 06:36:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9BA8328D11; Wed, 13 Dec 2017 06:36:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.8 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, T_DKIM_INVALID autolearn=no version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 798051FF40 for ; Wed, 13 Dec 2017 06:36:11 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 8EB11267827; Wed, 13 Dec 2017 07:35:40 +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 108DE267816; Wed, 13 Dec 2017 07:35:38 +0100 (CET) Received: from mail-pf0-f180.google.com (mail-pf0-f180.google.com [209.85.192.180]) by alsa0.perex.cz (Postfix) with ESMTP id 2538226717B for ; Wed, 13 Dec 2017 07:35:33 +0100 (CET) Received: by mail-pf0-f180.google.com with SMTP id v26so931846pfl.7 for ; Tue, 12 Dec 2017 22:35:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=4bXMIJRI1QDrblFmR6I0mIGV8w7hU2CsMw322K9ubAc=; b=ovUWNqCPt4EzXukBJr3+rhQ+iyu7+OQ2obiI1VcugpYnDVIR7oyCbEPJEmbqY3FkWK jSQ1POniETOAYhduEZgL0UQ60+9ALTatPkyMToebEhgK1xc0R60coQxnwjCDL+Gw95iC sYXcPyvHi7FiJhVPC0AeskMHgF+uyctCIErFk0MQu/rUZ/RlUrR71OwXYGudjP5eXJdd g+dhcy0/v5H1O7XJvq/ewICYEpKV3VyFrvpI8wLKfULi1fbFSbMekiFyCRf29r1U0yHi aE5OgZFY/1/YL0wn4WDa0AQhcvz2kfoy4XeVzESAjwYnNUKzjS281HN1WziAyYIuYYoo 7Rlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=4bXMIJRI1QDrblFmR6I0mIGV8w7hU2CsMw322K9ubAc=; b=WWcXD6QSzPqNqcYS5g8bBCfZ3lUqYqADmwj9544+ObBx+pm9a0pgkGPKTrAYfU9h7x gWGIZnEfqkhogCPF3o8oVp5YC715Bhpl12NQGMox7fsbdj3Z1N35GlaCh+AJK0GP/boX L0d9XO0/aNSGyrsqWui67lO7IK6cCrgAwfrjWo04G96pX+VzqpvPoR7lQHuUkqU2yxkl JvUHkpSAyLEk437bCUaY62L5xnmZyKWIyxyromYc0uSoMJ5DhRV+w5/nurq2a7/VvZXj sq/EWcJ1GY5kpPKlJ3J2171LkdMr9VXkaC9nHAY1p6NH9svn4pdgDXc5xk0Y1AZIM/Az mQ5Q== X-Gm-Message-State: AKGB3mJGTVgig8oE5nZ1WLf/kxNYBjPAP7DhpUeIw5aJODsGK5Z08Rwz Aff673NET18ZBbbntCY+9WQ= X-Google-Smtp-Source: ACJfBovknjhbdQTpq2PGdgR2GbRGMZ2vtelIaVBwH78vJxtBkXHXFU775JvVcHKXfAqPkfLkjr9zkA== X-Received: by 10.98.103.93 with SMTP id b90mr5049626pfc.134.1513146932301; Tue, 12 Dec 2017 22:35:32 -0800 (PST) Received: from Asurada-CZ80.localdomain (c-73-231-2-134.hsd1.ca.comcast.net. [73.231.2.134]) by smtp.gmail.com with ESMTPSA id m63sm1574900pfj.80.2017.12.12.22.35.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 12 Dec 2017 22:35:31 -0800 (PST) From: Nicolin Chen To: broonie@kernel.org Date: Tue, 12 Dec 2017 22:34:24 -0800 Message-Id: <1513146874-25476-2-git-send-email-nicoleotsuka@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1513146874-25476-1-git-send-email-nicoleotsuka@gmail.com> References: <1513146874-25476-1-git-send-email-nicoleotsuka@gmail.com> Cc: alsa-devel@alsa-project.org, kernel@pengutronix.de, lgirdwood@gmail.com, timur@tabi.org, caleb@crome.org, linux-kernel@vger.kernel.org, arnaud.mouiche@invoxia.com, lukma@denx.de, fabio.estevam@nxp.com, mail@maciej.szmigiero.name, linuxppc-dev@lists.ozlabs.org Subject: [alsa-devel] [PATCH v2 01/11] ASoC: fsl_ssi: Rename fsl_ssi_private to fsl_ssi 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 Shorten the private data structure to save some wrapped lines. Signed-off-by: Nicolin Chen --- sound/soc/fsl/fsl_ssi.c | 456 +++++++++++++++++++++++------------------------- 1 file changed, 220 insertions(+), 236 deletions(-) diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index c350117..84d2f7e 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -185,7 +185,7 @@ struct fsl_ssi_soc_data { }; /** - * fsl_ssi_private: per-SSI private data + * fsl_ssi: per-SSI private data * * @reg: Pointer to the regmap registers * @irq: IRQ of this SSI @@ -224,7 +224,7 @@ struct fsl_ssi_soc_data { * @dma_maxburst: max number of words to transfer in one go. So far, * this is always the same as fifo_watermark. */ -struct fsl_ssi_private { +struct fsl_ssi { struct regmap *regs; int irq; struct snd_soc_dai_driver cpu_dai_drv; @@ -325,21 +325,21 @@ static const struct of_device_id fsl_ssi_ids[] = { }; MODULE_DEVICE_TABLE(of, fsl_ssi_ids); -static bool fsl_ssi_is_ac97(struct fsl_ssi_private *ssi_private) +static bool fsl_ssi_is_ac97(struct fsl_ssi *ssi) { - return (ssi_private->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) == + return (ssi->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_AC97; } -static bool fsl_ssi_is_i2s_master(struct fsl_ssi_private *ssi_private) +static bool fsl_ssi_is_i2s_master(struct fsl_ssi *ssi) { - return (ssi_private->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) == + return (ssi->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) == SND_SOC_DAIFMT_CBS_CFS; } -static bool fsl_ssi_is_i2s_cbm_cfs(struct fsl_ssi_private *ssi_private) +static bool fsl_ssi_is_i2s_cbm_cfs(struct fsl_ssi *ssi) { - return (ssi_private->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) == + return (ssi->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) == SND_SOC_DAIFMT_CBM_CFS; } /** @@ -352,12 +352,12 @@ static bool fsl_ssi_is_i2s_cbm_cfs(struct fsl_ssi_private *ssi_private) * This interrupt handler is used only to gather statistics. * * @irq: IRQ of the SSI device - * @dev_id: pointer to the ssi_private structure for this SSI device + * @dev_id: pointer to the fsl_ssi structure for this SSI device */ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id) { - struct fsl_ssi_private *ssi_private = dev_id; - struct regmap *regs = ssi_private->regs; + struct fsl_ssi *ssi = dev_id; + struct regmap *regs = ssi->regs; __be32 sisr; __be32 sisr2; @@ -367,12 +367,12 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id) */ regmap_read(regs, CCSR_SSI_SISR, &sisr); - sisr2 = sisr & ssi_private->soc->sisr_write_mask; + sisr2 = sisr & ssi->soc->sisr_write_mask; /* Clear the bits that we set */ if (sisr2) regmap_write(regs, CCSR_SSI_SISR, sisr2); - fsl_ssi_dbg_isr(&ssi_private->dbg_stats, sisr); + fsl_ssi_dbg_isr(&ssi->dbg_stats, sisr); return IRQ_HANDLED; } @@ -380,11 +380,10 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id) /* * Enable/Disable all rx/tx config flags at once. */ -static void fsl_ssi_rxtx_config(struct fsl_ssi_private *ssi_private, - bool enable) +static void fsl_ssi_rxtx_config(struct fsl_ssi *ssi, bool enable) { - struct regmap *regs = ssi_private->regs; - struct fsl_ssi_rxtx_reg_val *vals = &ssi_private->rxtx_reg_val; + struct regmap *regs = ssi->regs; + struct fsl_ssi_rxtx_reg_val *vals = &ssi->rxtx_reg_val; if (enable) { regmap_update_bits(regs, CCSR_SSI_SIER, @@ -414,14 +413,13 @@ static void fsl_ssi_rxtx_config(struct fsl_ssi_private *ssi_private, * Note: The SOR is not documented in recent IMX datasheet, but * is described in IMX51 reference manual at section 56.3.3.15. */ -static void fsl_ssi_fifo_clear(struct fsl_ssi_private *ssi_private, - bool is_rx) +static void fsl_ssi_fifo_clear(struct fsl_ssi *ssi, bool is_rx) { if (is_rx) { - regmap_update_bits(ssi_private->regs, CCSR_SSI_SOR, + regmap_update_bits(ssi->regs, CCSR_SSI_SOR, CCSR_SSI_SOR_RX_CLR, CCSR_SSI_SOR_RX_CLR); } else { - regmap_update_bits(ssi_private->regs, CCSR_SSI_SOR, + regmap_update_bits(ssi->regs, CCSR_SSI_SOR, CCSR_SSI_SOR_TX_CLR, CCSR_SSI_SOR_TX_CLR); } } @@ -448,12 +446,12 @@ static void fsl_ssi_fifo_clear(struct fsl_ssi_private *ssi_private, /* * Enable/Disable a ssi configuration. You have to pass either - * ssi_private->rxtx_reg_val.rx or tx as vals parameter. + * ssi->rxtx_reg_val.rx or tx as vals parameter. */ -static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, +static void fsl_ssi_config(struct fsl_ssi *ssi, bool enable, struct fsl_ssi_reg_val *vals) { - struct regmap *regs = ssi_private->regs; + struct regmap *regs = ssi->regs; struct fsl_ssi_reg_val *avals; int nr_active_streams; u32 scr_val; @@ -471,10 +469,10 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, /* Find the other direction values rx or tx which we do not want to * modify */ - if (&ssi_private->rxtx_reg_val.rx == vals) - avals = &ssi_private->rxtx_reg_val.tx; + if (&ssi->rxtx_reg_val.rx == vals) + avals = &ssi->rxtx_reg_val.tx; else - avals = &ssi_private->rxtx_reg_val.rx; + avals = &ssi->rxtx_reg_val.rx; /* If vals should be disabled, start with disabling the unit */ if (!enable) { @@ -488,10 +486,10 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, * reconfiguration, so we have to enable all necessary flags at once * even if we do not use them later (capture and playback configuration) */ - if (ssi_private->soc->offline_config) { + if (ssi->soc->offline_config) { if ((enable && !nr_active_streams) || (!enable && !keep_active)) - fsl_ssi_rxtx_config(ssi_private, enable); + fsl_ssi_rxtx_config(ssi, enable); goto config_done; } @@ -501,7 +499,7 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, * (online configuration) */ if (enable) { - fsl_ssi_fifo_clear(ssi_private, vals->scr & CCSR_SSI_SCR_RE); + fsl_ssi_fifo_clear(ssi, vals->scr & CCSR_SSI_SCR_RE); regmap_update_bits(regs, CCSR_SSI_SRCR, vals->srcr, vals->srcr); regmap_update_bits(regs, CCSR_SSI_STCR, vals->stcr, vals->stcr); @@ -536,7 +534,7 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, config_done: /* Enabling of subunits is done after configuration */ if (enable) { - if (ssi_private->use_dma && (vals->scr & CCSR_SSI_SCR_TE)) { + if (ssi->use_dma && (vals->scr & CCSR_SSI_SCR_TE)) { /* * Be sure the Tx FIFO is filled when TE is set. * Otherwise, there are some chances to start the @@ -563,7 +561,7 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, break; } if (i == max_loop) { - dev_err(ssi_private->dev, + dev_err(ssi->dev, "Timeout waiting TX FIFO filling\n"); } } @@ -572,17 +570,17 @@ static void fsl_ssi_config(struct fsl_ssi_private *ssi_private, bool enable, } -static void fsl_ssi_rx_config(struct fsl_ssi_private *ssi_private, bool enable) +static void fsl_ssi_rx_config(struct fsl_ssi *ssi, bool enable) { - fsl_ssi_config(ssi_private, enable, &ssi_private->rxtx_reg_val.rx); + fsl_ssi_config(ssi, enable, &ssi->rxtx_reg_val.rx); } -static void fsl_ssi_tx_ac97_saccst_setup(struct fsl_ssi_private *ssi_private) +static void fsl_ssi_tx_ac97_saccst_setup(struct fsl_ssi *ssi) { - struct regmap *regs = ssi_private->regs; + struct regmap *regs = ssi->regs; /* no SACC{ST,EN,DIS} regs on imx21-class SSI */ - if (!ssi_private->soc->imx21regs) { + if (!ssi->soc->imx21regs) { /* * Note that these below aren't just normal registers. * They are a way to disable or enable bits in SACCST @@ -601,7 +599,7 @@ static void fsl_ssi_tx_ac97_saccst_setup(struct fsl_ssi_private *ssi_private) } } -static void fsl_ssi_tx_config(struct fsl_ssi_private *ssi_private, bool enable) +static void fsl_ssi_tx_config(struct fsl_ssi *ssi, bool enable) { /* * Why are we setting up SACCST everytime we are starting a @@ -622,10 +620,10 @@ static void fsl_ssi_tx_config(struct fsl_ssi_private *ssi_private, bool enable) * untrustworthy let's play safe here and make sure that no extra * slots are enabled every time a playback is started. */ - if (enable && fsl_ssi_is_ac97(ssi_private)) - fsl_ssi_tx_ac97_saccst_setup(ssi_private); + if (enable && fsl_ssi_is_ac97(ssi)) + fsl_ssi_tx_ac97_saccst_setup(ssi); - fsl_ssi_config(ssi_private, enable, &ssi_private->rxtx_reg_val.tx); + fsl_ssi_config(ssi, enable, &ssi->rxtx_reg_val.tx); } /* @@ -633,9 +631,9 @@ static void fsl_ssi_tx_config(struct fsl_ssi_private *ssi_private, bool enable) * be used later in fsl_ssi_config to setup the streams without the need to * check for all different SSI modes. */ -static void fsl_ssi_setup_reg_vals(struct fsl_ssi_private *ssi_private) +static void fsl_ssi_setup_reg_vals(struct fsl_ssi *ssi) { - struct fsl_ssi_rxtx_reg_val *reg = &ssi_private->rxtx_reg_val; + struct fsl_ssi_rxtx_reg_val *reg = &ssi->rxtx_reg_val; reg->rx.sier = CCSR_SSI_SIER_RFF0_EN; reg->rx.srcr = CCSR_SSI_SRCR_RFEN0; @@ -644,12 +642,12 @@ static void fsl_ssi_setup_reg_vals(struct fsl_ssi_private *ssi_private) reg->tx.stcr = CCSR_SSI_STCR_TFEN0; reg->tx.scr = 0; - if (!fsl_ssi_is_ac97(ssi_private)) { + if (!fsl_ssi_is_ac97(ssi)) { reg->rx.scr = CCSR_SSI_SCR_SSIEN | CCSR_SSI_SCR_RE; reg->tx.scr = CCSR_SSI_SCR_SSIEN | CCSR_SSI_SCR_TE; } - if (ssi_private->use_dma) { + if (ssi->use_dma) { reg->rx.sier |= CCSR_SSI_SIER_RDMAE; reg->tx.sier |= CCSR_SSI_SIER_TDMAE; } else { @@ -661,9 +659,9 @@ static void fsl_ssi_setup_reg_vals(struct fsl_ssi_private *ssi_private) reg->tx.sier |= FSLSSI_SIER_DBG_TX_FLAGS; } -static void fsl_ssi_setup_ac97(struct fsl_ssi_private *ssi_private) +static void fsl_ssi_setup_ac97(struct fsl_ssi *ssi) { - struct regmap *regs = ssi_private->regs; + struct regmap *regs = ssi->regs; /* * Setup the clock control register @@ -702,11 +700,10 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct fsl_ssi_private *ssi_private = - snd_soc_dai_get_drvdata(rtd->cpu_dai); + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(rtd->cpu_dai); int ret; - ret = clk_prepare_enable(ssi_private->clk); + ret = clk_prepare_enable(ssi->clk); if (ret) return ret; @@ -715,7 +712,7 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream, * task from fifo0, fifo1 would be neglected at the end of each * period. But SSI would still access fifo1 with an invalid data. */ - if (ssi_private->use_dual_fifo) + if (ssi->use_dual_fifo) snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 2); @@ -730,10 +727,9 @@ static void fsl_ssi_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct fsl_ssi_private *ssi_private = - snd_soc_dai_get_drvdata(rtd->cpu_dai); + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(rtd->cpu_dai); - clk_disable_unprepare(ssi_private->clk); + clk_disable_unprepare(ssi->clk); } @@ -750,9 +746,9 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai, struct snd_pcm_hw_params *hw_params) { - struct fsl_ssi_private *ssi_private = snd_soc_dai_get_drvdata(cpu_dai); - struct regmap *regs = ssi_private->regs; - int synchronous = ssi_private->cpu_dai_drv.symmetric_rates, ret; + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); + struct regmap *regs = ssi->regs; + int synchronous = ssi->cpu_dai_drv.symmetric_rates, ret; u32 pm = 999, div2, psr, stccr, mask, afreq, factor, i; unsigned long clkrate, baudrate, tmprate; unsigned int slots = params_channels(hw_params); @@ -762,29 +758,29 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, bool baudclk_is_used; /* Override slots and slot_width if being specifically set... */ - if (ssi_private->slots) - slots = ssi_private->slots; + if (ssi->slots) + slots = ssi->slots; /* ...but keep 32 bits if slots is 2 -- I2S Master mode */ - if (ssi_private->slot_width && slots != 2) - slot_width = ssi_private->slot_width; + if (ssi->slot_width && slots != 2) + slot_width = ssi->slot_width; /* Generate bit clock based on the slot number and slot width */ freq = slots * slot_width * params_rate(hw_params); /* Don't apply it to any non-baudclk circumstance */ - if (IS_ERR(ssi_private->baudclk)) + if (IS_ERR(ssi->baudclk)) return -EINVAL; /* * Hardware limitation: The bclk rate must be * never greater than 1/5 IPG clock rate */ - if (freq * 5 > clk_get_rate(ssi_private->clk)) { + if (freq * 5 > clk_get_rate(ssi->clk)) { dev_err(cpu_dai->dev, "bitclk > ipgclk/5\n"); return -EINVAL; } - baudclk_is_used = ssi_private->baudclk_streams & ~(BIT(substream->stream)); + baudclk_is_used = ssi->baudclk_streams & ~(BIT(substream->stream)); /* It should be already enough to divide clock by setting pm alone */ psr = 0; @@ -796,9 +792,9 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, tmprate = freq * factor * (i + 1); if (baudclk_is_used) - clkrate = clk_get_rate(ssi_private->baudclk); + clkrate = clk_get_rate(ssi->baudclk); else - clkrate = clk_round_rate(ssi_private->baudclk, tmprate); + clkrate = clk_round_rate(ssi->baudclk, tmprate); clkrate /= factor; afreq = clkrate / (i + 1); @@ -844,7 +840,7 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, regmap_update_bits(regs, CCSR_SSI_SRCCR, mask, stccr); if (!baudclk_is_used) { - ret = clk_set_rate(ssi_private->baudclk, baudrate); + ret = clk_set_rate(ssi->baudclk, baudrate); if (ret) { dev_err(cpu_dai->dev, "failed to set baudclk rate\n"); return -EINVAL; @@ -870,8 +866,8 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, 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 regmap *regs = ssi_private->regs; + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); + struct regmap *regs = ssi->regs; unsigned int channels = params_channels(hw_params); unsigned int sample_size = params_width(hw_params); u32 wl = CCSR_SSI_SxCCR_WL(sample_size); @@ -886,35 +882,35 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream, * If we're in synchronous mode, and the SSI is already enabled, * then STCCR is already set properly. */ - if (enabled && ssi_private->cpu_dai_drv.symmetric_rates) + if (enabled && ssi->cpu_dai_drv.symmetric_rates) return 0; - if (fsl_ssi_is_i2s_master(ssi_private)) { + if (fsl_ssi_is_i2s_master(ssi)) { ret = fsl_ssi_set_bclk(substream, cpu_dai, hw_params); if (ret) return ret; /* Do not enable the clock if it is already enabled */ - if (!(ssi_private->baudclk_streams & BIT(substream->stream))) { - ret = clk_prepare_enable(ssi_private->baudclk); + if (!(ssi->baudclk_streams & BIT(substream->stream))) { + ret = clk_prepare_enable(ssi->baudclk); if (ret) return ret; - ssi_private->baudclk_streams |= BIT(substream->stream); + ssi->baudclk_streams |= BIT(substream->stream); } } - if (!fsl_ssi_is_ac97(ssi_private)) { + if (!fsl_ssi_is_ac97(ssi)) { u8 i2smode; /* * Switch to normal net mode in order to have a frame sync * signal every 32 bits instead of 16 bits */ - if (fsl_ssi_is_i2s_cbm_cfs(ssi_private) && sample_size == 16) + if (fsl_ssi_is_i2s_cbm_cfs(ssi) && sample_size == 16) i2smode = CCSR_SSI_SCR_I2S_MODE_NORMAL | CCSR_SSI_SCR_NET; else - i2smode = ssi_private->i2s_mode; + i2smode = ssi->i2s_mode; regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_NET | CCSR_SSI_SCR_I2S_MODE_MASK, @@ -933,7 +929,7 @@ 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) + ssi->cpu_dai_drv.symmetric_rates) regmap_update_bits(regs, CCSR_SSI_STCCR, CCSR_SSI_SxCCR_WL_MASK, wl); else @@ -947,34 +943,32 @@ static int fsl_ssi_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct fsl_ssi_private *ssi_private = - snd_soc_dai_get_drvdata(rtd->cpu_dai); + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(rtd->cpu_dai); - if (fsl_ssi_is_i2s_master(ssi_private) && - ssi_private->baudclk_streams & BIT(substream->stream)) { - clk_disable_unprepare(ssi_private->baudclk); - ssi_private->baudclk_streams &= ~BIT(substream->stream); + if (fsl_ssi_is_i2s_master(ssi) && + ssi->baudclk_streams & BIT(substream->stream)) { + clk_disable_unprepare(ssi->baudclk); + ssi->baudclk_streams &= ~BIT(substream->stream); } return 0; } static int _fsl_ssi_set_dai_fmt(struct device *dev, - struct fsl_ssi_private *ssi_private, - unsigned int fmt) + struct fsl_ssi *ssi, unsigned int fmt) { - struct regmap *regs = ssi_private->regs; + struct regmap *regs = ssi->regs; u32 strcr = 0, stcr, srcr, scr, mask; u8 wm; - ssi_private->dai_fmt = fmt; + ssi->dai_fmt = fmt; - if (fsl_ssi_is_i2s_master(ssi_private) && IS_ERR(ssi_private->baudclk)) { + if (fsl_ssi_is_i2s_master(ssi) && IS_ERR(ssi->baudclk)) { dev_err(dev, "baudclk is missing which is necessary for master mode\n"); return -EINVAL; } - fsl_ssi_setup_reg_vals(ssi_private); + fsl_ssi_setup_reg_vals(ssi); regmap_read(regs, CCSR_SSI_SCR, &scr); scr &= ~(CCSR_SSI_SCR_SYN | CCSR_SSI_SCR_I2S_MODE_MASK); @@ -988,7 +982,7 @@ static int _fsl_ssi_set_dai_fmt(struct device *dev, stcr &= ~mask; srcr &= ~mask; - ssi_private->i2s_mode = CCSR_SSI_SCR_NET; + ssi->i2s_mode = CCSR_SSI_SCR_NET; switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: regmap_update_bits(regs, CCSR_SSI_STCCR, @@ -1000,10 +994,10 @@ static int _fsl_ssi_set_dai_fmt(struct device *dev, switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBM_CFS: case SND_SOC_DAIFMT_CBS_CFS: - ssi_private->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_MASTER; + ssi->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_MASTER; break; case SND_SOC_DAIFMT_CBM_CFM: - ssi_private->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_SLAVE; + ssi->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_SLAVE; break; default: return -EINVAL; @@ -1028,12 +1022,12 @@ static int _fsl_ssi_set_dai_fmt(struct device *dev, CCSR_SSI_STCR_TXBIT0; break; case SND_SOC_DAIFMT_AC97: - ssi_private->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_NORMAL; + ssi->i2s_mode |= CCSR_SSI_SCR_I2S_MODE_NORMAL; break; default: return -EINVAL; } - scr |= ssi_private->i2s_mode; + scr |= ssi->i2s_mode; /* DAI clock inversion */ switch (fmt & SND_SOC_DAIFMT_INV_MASK) { @@ -1072,15 +1066,14 @@ static int _fsl_ssi_set_dai_fmt(struct device *dev, scr &= ~CCSR_SSI_SCR_SYS_CLK_EN; break; default: - if (!fsl_ssi_is_ac97(ssi_private)) + if (!fsl_ssi_is_ac97(ssi)) return -EINVAL; } stcr |= strcr; srcr |= strcr; - if (ssi_private->cpu_dai_drv.symmetric_rates - || fsl_ssi_is_ac97(ssi_private)) { + if (ssi->cpu_dai_drv.symmetric_rates || fsl_ssi_is_ac97(ssi)) { /* Need to clear RXDIR when using SYNC or AC97 mode */ srcr &= ~CCSR_SSI_SRCR_RXDIR; scr |= CCSR_SSI_SCR_SYN; @@ -1090,13 +1083,13 @@ static int _fsl_ssi_set_dai_fmt(struct device *dev, regmap_write(regs, CCSR_SSI_SRCR, srcr); regmap_write(regs, CCSR_SSI_SCR, scr); - wm = ssi_private->fifo_watermark; + wm = ssi->fifo_watermark; 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) { + if (ssi->use_dual_fifo) { 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, @@ -1106,7 +1099,7 @@ static int _fsl_ssi_set_dai_fmt(struct device *dev, } if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_AC97) - fsl_ssi_setup_ac97(ssi_private); + fsl_ssi_setup_ac97(ssi); return 0; @@ -1117,12 +1110,12 @@ static int _fsl_ssi_set_dai_fmt(struct device *dev, */ 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 fsl_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); - if (fsl_ssi_is_ac97(ssi_private)) + if (fsl_ssi_is_ac97(ssi)) return 0; - return _fsl_ssi_set_dai_fmt(cpu_dai->dev, ssi_private, fmt); + return _fsl_ssi_set_dai_fmt(cpu_dai->dev, ssi, fmt); } /** @@ -1133,8 +1126,8 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) 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 regmap *regs = ssi_private->regs; + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); + struct regmap *regs = ssi->regs; u32 val; /* The word length should be 8, 10, 12, 16, 18, 20, 22 or 24 */ @@ -1169,8 +1162,8 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, u32 tx_mask, regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_SSIEN, val); - ssi_private->slot_width = slot_width; - ssi_private->slots = slots; + ssi->slot_width = slot_width; + ssi->slots = slots; return 0; } @@ -1188,33 +1181,33 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct fsl_ssi_private *ssi_private = snd_soc_dai_get_drvdata(rtd->cpu_dai); - struct regmap *regs = ssi_private->regs; + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(rtd->cpu_dai); + struct regmap *regs = ssi->regs; switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - fsl_ssi_tx_config(ssi_private, true); + fsl_ssi_tx_config(ssi, true); else - fsl_ssi_rx_config(ssi_private, true); + fsl_ssi_rx_config(ssi, true); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - fsl_ssi_tx_config(ssi_private, false); + fsl_ssi_tx_config(ssi, false); else - fsl_ssi_rx_config(ssi_private, false); + fsl_ssi_rx_config(ssi, false); break; default: return -EINVAL; } - if (fsl_ssi_is_ac97(ssi_private)) { + if (fsl_ssi_is_ac97(ssi)) { if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) regmap_write(regs, CCSR_SSI_SOR, CCSR_SSI_SOR_TX_CLR); else @@ -1226,11 +1219,11 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd, static int fsl_ssi_dai_probe(struct snd_soc_dai *dai) { - struct fsl_ssi_private *ssi_private = snd_soc_dai_get_drvdata(dai); + struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(dai); - if (ssi_private->soc->imx && ssi_private->use_dma) { - dai->playback_dma_data = &ssi_private->dma_params_tx; - dai->capture_dma_data = &ssi_private->dma_params_rx; + if (ssi->soc->imx && ssi->use_dma) { + dai->playback_dma_data = &ssi->dma_params_tx; + dai->capture_dma_data = &ssi->dma_params_rx; } return 0; @@ -1292,7 +1285,7 @@ static struct snd_soc_dai_driver fsl_ssi_ac97_dai = { }; -static struct fsl_ssi_private *fsl_ac97_data; +static struct fsl_ssi *fsl_ac97_data; static void fsl_ssi_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) @@ -1383,24 +1376,24 @@ static void make_lowercase(char *s) } static int fsl_ssi_imx_probe(struct platform_device *pdev, - struct fsl_ssi_private *ssi_private, void __iomem *iomem) + struct fsl_ssi *ssi, void __iomem *iomem) { struct device_node *np = pdev->dev.of_node; u32 dmas[4]; int ret; - if (ssi_private->has_ipg_clk_name) - ssi_private->clk = devm_clk_get(&pdev->dev, "ipg"); + if (ssi->has_ipg_clk_name) + ssi->clk = devm_clk_get(&pdev->dev, "ipg"); else - ssi_private->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(ssi_private->clk)) { - ret = PTR_ERR(ssi_private->clk); + ssi->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(ssi->clk)) { + ret = PTR_ERR(ssi->clk); dev_err(&pdev->dev, "could not get clock: %d\n", ret); return ret; } - if (!ssi_private->has_ipg_clk_name) { - ret = clk_prepare_enable(ssi_private->clk); + if (!ssi->has_ipg_clk_name) { + ret = clk_prepare_enable(ssi->clk); if (ret) { dev_err(&pdev->dev, "clk_prepare_enable failed: %d\n", ret); return ret; @@ -1410,27 +1403,27 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev, /* For those SLAVE implementations, we ignore non-baudclk cases * and, instead, abandon MASTER mode that needs baud clock. */ - ssi_private->baudclk = devm_clk_get(&pdev->dev, "baud"); - if (IS_ERR(ssi_private->baudclk)) + ssi->baudclk = devm_clk_get(&pdev->dev, "baud"); + if (IS_ERR(ssi->baudclk)) dev_dbg(&pdev->dev, "could not get baud clock: %ld\n", - PTR_ERR(ssi_private->baudclk)); + PTR_ERR(ssi->baudclk)); - ssi_private->dma_params_tx.maxburst = ssi_private->dma_maxburst; - ssi_private->dma_params_rx.maxburst = ssi_private->dma_maxburst; - 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; + ssi->dma_params_tx.maxburst = ssi->dma_maxburst; + ssi->dma_params_rx.maxburst = ssi->dma_maxburst; + ssi->dma_params_tx.addr = ssi->ssi_phys + CCSR_SSI_STX0; + ssi->dma_params_rx.addr = ssi->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) { - ssi_private->use_dual_fifo = true; + if (ssi->use_dma && !ret && dmas[2] == IMX_DMATYPE_SSI_DUAL) { + ssi->use_dual_fifo = true; /* When using dual fifo mode, we need to keep watermark * as even numbers due to dma script limitation. */ - ssi_private->dma_params_tx.maxburst &= ~0x1; - ssi_private->dma_params_rx.maxburst &= ~0x1; + ssi->dma_params_tx.maxburst &= ~0x1; + ssi->dma_params_rx.maxburst &= ~0x1; } - if (!ssi_private->use_dma) { + if (!ssi->use_dma) { /* * Some boards use an incompatible codec. To get it @@ -1439,14 +1432,12 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev, * situation. */ - ssi_private->fiq_params.irq = ssi_private->irq; - 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 = - &ssi_private->dma_params_tx; + ssi->fiq_params.irq = ssi->irq; + ssi->fiq_params.base = iomem; + ssi->fiq_params.dma_params_rx = &ssi->dma_params_rx; + ssi->fiq_params.dma_params_tx = &ssi->dma_params_tx; - ret = imx_pcm_fiq_init(pdev, &ssi_private->fiq_params); + ret = imx_pcm_fiq_init(pdev, &ssi->fiq_params); if (ret) goto error_pcm; } else { @@ -1459,23 +1450,23 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev, error_pcm: - if (!ssi_private->has_ipg_clk_name) - clk_disable_unprepare(ssi_private->clk); + if (!ssi->has_ipg_clk_name) + clk_disable_unprepare(ssi->clk); return ret; } static void fsl_ssi_imx_clean(struct platform_device *pdev, - struct fsl_ssi_private *ssi_private) + struct fsl_ssi *ssi) { - if (!ssi_private->use_dma) + if (!ssi->use_dma) imx_pcm_fiq_exit(pdev); - if (!ssi_private->has_ipg_clk_name) - clk_disable_unprepare(ssi_private->clk); + if (!ssi->has_ipg_clk_name) + clk_disable_unprepare(ssi->clk); } static int fsl_ssi_probe(struct platform_device *pdev) { - struct fsl_ssi_private *ssi_private; + struct fsl_ssi *ssi; int ret = 0; struct device_node *np = pdev->dev.of_node; const struct of_device_id *of_id; @@ -1490,42 +1481,41 @@ static int fsl_ssi_probe(struct platform_device *pdev) if (!of_id || !of_id->data) return -EINVAL; - ssi_private = devm_kzalloc(&pdev->dev, sizeof(*ssi_private), + ssi = devm_kzalloc(&pdev->dev, sizeof(*ssi), GFP_KERNEL); - if (!ssi_private) + if (!ssi) return -ENOMEM; - ssi_private->soc = of_id->data; - ssi_private->dev = &pdev->dev; + ssi->soc = of_id->data; + ssi->dev = &pdev->dev; sprop = of_get_property(np, "fsl,mode", NULL); if (sprop) { if (!strcmp(sprop, "ac97-slave")) - ssi_private->dai_fmt = SND_SOC_DAIFMT_AC97; + ssi->dai_fmt = SND_SOC_DAIFMT_AC97; } - ssi_private->use_dma = !of_property_read_bool(np, - "fsl,fiq-stream-filter"); + ssi->use_dma = !of_property_read_bool(np, "fsl,fiq-stream-filter"); - if (fsl_ssi_is_ac97(ssi_private)) { - memcpy(&ssi_private->cpu_dai_drv, &fsl_ssi_ac97_dai, + if (fsl_ssi_is_ac97(ssi)) { + memcpy(&ssi->cpu_dai_drv, &fsl_ssi_ac97_dai, sizeof(fsl_ssi_ac97_dai)); - fsl_ac97_data = ssi_private; + fsl_ac97_data = ssi; } else { /* Initialize this copy of the CPU DAI driver structure */ - memcpy(&ssi_private->cpu_dai_drv, &fsl_ssi_dai_template, + memcpy(&ssi->cpu_dai_drv, &fsl_ssi_dai_template, sizeof(fsl_ssi_dai_template)); } - ssi_private->cpu_dai_drv.name = dev_name(&pdev->dev); + ssi->cpu_dai_drv.name = dev_name(&pdev->dev); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); iomem = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(iomem)) return PTR_ERR(iomem); - ssi_private->ssi_phys = res->start; + ssi->ssi_phys = res->start; - if (ssi_private->soc->imx21regs) { + if (ssi->soc->imx21regs) { /* * According to datasheet imx21-class SSI * don't have SACC{ST,EN,DIS} regs. @@ -1537,42 +1527,42 @@ static int fsl_ssi_probe(struct platform_device *pdev) ret = of_property_match_string(np, "clock-names", "ipg"); if (ret < 0) { - ssi_private->has_ipg_clk_name = false; - ssi_private->regs = devm_regmap_init_mmio(&pdev->dev, iomem, + ssi->has_ipg_clk_name = false; + ssi->regs = devm_regmap_init_mmio(&pdev->dev, iomem, ®config); } else { - ssi_private->has_ipg_clk_name = true; - ssi_private->regs = devm_regmap_init_mmio_clk(&pdev->dev, + ssi->has_ipg_clk_name = true; + ssi->regs = devm_regmap_init_mmio_clk(&pdev->dev, "ipg", iomem, ®config); } - if (IS_ERR(ssi_private->regs)) { + if (IS_ERR(ssi->regs)) { dev_err(&pdev->dev, "Failed to init register map\n"); - return PTR_ERR(ssi_private->regs); + return PTR_ERR(ssi->regs); } - ssi_private->irq = platform_get_irq(pdev, 0); - if (ssi_private->irq < 0) { + ssi->irq = platform_get_irq(pdev, 0); + if (ssi->irq < 0) { dev_err(&pdev->dev, "no irq for node %s\n", pdev->name); - return ssi_private->irq; + return ssi->irq; } /* Are the RX and the TX clocks locked? */ if (!of_find_property(np, "fsl,ssi-asynchronous", NULL)) { - if (!fsl_ssi_is_ac97(ssi_private)) { - ssi_private->cpu_dai_drv.symmetric_rates = 1; - ssi_private->cpu_dai_drv.symmetric_samplebits = 1; + if (!fsl_ssi_is_ac97(ssi)) { + ssi->cpu_dai_drv.symmetric_rates = 1; + ssi->cpu_dai_drv.symmetric_samplebits = 1; } - ssi_private->cpu_dai_drv.symmetric_channels = 1; + ssi->cpu_dai_drv.symmetric_channels = 1; } /* Determine the FIFO depth. */ iprop = of_get_property(np, "fsl,fifo-depth", NULL); if (iprop) - ssi_private->fifo_depth = be32_to_cpup(iprop); + ssi->fifo_depth = be32_to_cpup(iprop); else /* Older 8610 DTs didn't have the fifo-depth property */ - ssi_private->fifo_depth = 8; + ssi->fifo_depth = 8; /* * Set the watermark for transmit FIFO 0 and receive FIFO 0. We don't @@ -1589,7 +1579,7 @@ static int fsl_ssi_probe(struct platform_device *pdev) * fiq it is probably better to use the biggest possible watermark * size. */ - switch (ssi_private->fifo_depth) { + switch (ssi->fifo_depth) { case 15: /* * 2 samples is not enough when running at high data @@ -1598,8 +1588,8 @@ static int fsl_ssi_probe(struct platform_device *pdev) * for the DMA to fill the FIFO before it's over/under * run. */ - ssi_private->fifo_watermark = 8; - ssi_private->dma_maxburst = 8; + ssi->fifo_watermark = 8; + ssi->dma_maxburst = 8; break; case 8: default: @@ -1610,21 +1600,21 @@ static int fsl_ssi_probe(struct platform_device *pdev) * I suspect this could be changed to be something to * leave some more space in the fifo. */ - ssi_private->fifo_watermark = ssi_private->fifo_depth - 2; - ssi_private->dma_maxburst = ssi_private->fifo_depth - 2; + ssi->fifo_watermark = ssi->fifo_depth - 2; + ssi->dma_maxburst = ssi->fifo_depth - 2; break; } - dev_set_drvdata(&pdev->dev, ssi_private); + dev_set_drvdata(&pdev->dev, ssi); - if (ssi_private->soc->imx) { - ret = fsl_ssi_imx_probe(pdev, ssi_private, iomem); + if (ssi->soc->imx) { + ret = fsl_ssi_imx_probe(pdev, ssi, iomem); if (ret) return ret; } - if (fsl_ssi_is_ac97(ssi_private)) { - mutex_init(&ssi_private->ac97_reg_lock); + if (fsl_ssi_is_ac97(ssi)) { + mutex_init(&ssi->ac97_reg_lock); ret = snd_soc_set_ac97_ops_of_reset(&fsl_ssi_ac97_ops, pdev); if (ret) { dev_err(&pdev->dev, "could not set AC'97 ops\n"); @@ -1633,24 +1623,24 @@ static int fsl_ssi_probe(struct platform_device *pdev) } ret = devm_snd_soc_register_component(&pdev->dev, &fsl_ssi_component, - &ssi_private->cpu_dai_drv, 1); + &ssi->cpu_dai_drv, 1); if (ret) { dev_err(&pdev->dev, "failed to register DAI: %d\n", ret); goto error_asoc_register; } - if (ssi_private->use_dma) { - ret = devm_request_irq(&pdev->dev, ssi_private->irq, + if (ssi->use_dma) { + ret = devm_request_irq(&pdev->dev, ssi->irq, fsl_ssi_isr, 0, dev_name(&pdev->dev), - ssi_private); + ssi); if (ret < 0) { dev_err(&pdev->dev, "could not claim irq %u\n", - ssi_private->irq); + ssi->irq); goto error_asoc_register; } } - ret = fsl_ssi_debugfs_create(&ssi_private->dbg_stats, &pdev->dev); + ret = fsl_ssi_debugfs_create(&ssi->dbg_stats, &pdev->dev); if (ret) goto error_asoc_register; @@ -1675,20 +1665,18 @@ static int fsl_ssi_probe(struct platform_device *pdev) snprintf(name, sizeof(name), "snd-soc-%s", sprop); make_lowercase(name); - ssi_private->pdev = - platform_device_register_data(&pdev->dev, name, 0, NULL, 0); - if (IS_ERR(ssi_private->pdev)) { - ret = PTR_ERR(ssi_private->pdev); + ssi->pdev = platform_device_register_data(&pdev->dev, name, 0, NULL, 0); + if (IS_ERR(ssi->pdev)) { + ret = PTR_ERR(ssi->pdev); dev_err(&pdev->dev, "failed to register platform: %d\n", ret); goto error_sound_card; } done: - if (ssi_private->dai_fmt) - _fsl_ssi_set_dai_fmt(&pdev->dev, ssi_private, - ssi_private->dai_fmt); + if (ssi->dai_fmt) + _fsl_ssi_set_dai_fmt(&pdev->dev, ssi, ssi->dai_fmt); - if (fsl_ssi_is_ac97(ssi_private)) { + if (fsl_ssi_is_ac97(ssi)) { u32 ssi_idx; ret = of_property_read_u32(np, "cell-index", &ssi_idx); @@ -1697,11 +1685,10 @@ static int fsl_ssi_probe(struct platform_device *pdev) goto error_sound_card; } - ssi_private->pdev = - platform_device_register_data(NULL, + ssi->pdev = platform_device_register_data(NULL, "ac97-codec", ssi_idx, NULL, 0); - if (IS_ERR(ssi_private->pdev)) { - ret = PTR_ERR(ssi_private->pdev); + if (IS_ERR(ssi->pdev)) { + ret = PTR_ERR(ssi->pdev); dev_err(&pdev->dev, "failed to register AC97 codec platform: %d\n", ret); @@ -1712,37 +1699,37 @@ static int fsl_ssi_probe(struct platform_device *pdev) return 0; error_sound_card: - fsl_ssi_debugfs_remove(&ssi_private->dbg_stats); + fsl_ssi_debugfs_remove(&ssi->dbg_stats); error_asoc_register: - if (fsl_ssi_is_ac97(ssi_private)) + if (fsl_ssi_is_ac97(ssi)) snd_soc_set_ac97_ops(NULL); error_ac97_ops: - if (fsl_ssi_is_ac97(ssi_private)) - mutex_destroy(&ssi_private->ac97_reg_lock); + if (fsl_ssi_is_ac97(ssi)) + mutex_destroy(&ssi->ac97_reg_lock); - if (ssi_private->soc->imx) - fsl_ssi_imx_clean(pdev, ssi_private); + if (ssi->soc->imx) + fsl_ssi_imx_clean(pdev, ssi); return ret; } static int fsl_ssi_remove(struct platform_device *pdev) { - struct fsl_ssi_private *ssi_private = dev_get_drvdata(&pdev->dev); + struct fsl_ssi *ssi = dev_get_drvdata(&pdev->dev); - fsl_ssi_debugfs_remove(&ssi_private->dbg_stats); + fsl_ssi_debugfs_remove(&ssi->dbg_stats); - if (ssi_private->pdev) - platform_device_unregister(ssi_private->pdev); + if (ssi->pdev) + platform_device_unregister(ssi->pdev); - if (ssi_private->soc->imx) - fsl_ssi_imx_clean(pdev, ssi_private); + if (ssi->soc->imx) + fsl_ssi_imx_clean(pdev, ssi); - if (fsl_ssi_is_ac97(ssi_private)) { + if (fsl_ssi_is_ac97(ssi)) { snd_soc_set_ac97_ops(NULL); - mutex_destroy(&ssi_private->ac97_reg_lock); + mutex_destroy(&ssi->ac97_reg_lock); } return 0; @@ -1751,13 +1738,11 @@ static int fsl_ssi_remove(struct platform_device *pdev) #ifdef CONFIG_PM_SLEEP static int fsl_ssi_suspend(struct device *dev) { - struct fsl_ssi_private *ssi_private = dev_get_drvdata(dev); - struct regmap *regs = ssi_private->regs; + struct fsl_ssi *ssi = dev_get_drvdata(dev); + struct regmap *regs = ssi->regs; - regmap_read(regs, CCSR_SSI_SFCSR, - &ssi_private->regcache_sfcsr); - regmap_read(regs, CCSR_SSI_SACNT, - &ssi_private->regcache_sacnt); + regmap_read(regs, CCSR_SSI_SFCSR, &ssi->regcache_sfcsr); + regmap_read(regs, CCSR_SSI_SACNT, &ssi->regcache_sacnt); regcache_cache_only(regs, true); regcache_mark_dirty(regs); @@ -1767,17 +1752,16 @@ static int fsl_ssi_suspend(struct device *dev) static int fsl_ssi_resume(struct device *dev) { - struct fsl_ssi_private *ssi_private = dev_get_drvdata(dev); - struct regmap *regs = ssi_private->regs; + struct fsl_ssi *ssi = dev_get_drvdata(dev); + struct regmap *regs = ssi->regs; regcache_cache_only(regs, false); regmap_update_bits(regs, CCSR_SSI_SFCSR, CCSR_SSI_SFCSR_RFWM1_MASK | CCSR_SSI_SFCSR_TFWM1_MASK | CCSR_SSI_SFCSR_RFWM0_MASK | CCSR_SSI_SFCSR_TFWM0_MASK, - ssi_private->regcache_sfcsr); - regmap_write(regs, CCSR_SSI_SACNT, - ssi_private->regcache_sacnt); + ssi->regcache_sfcsr); + regmap_write(regs, CCSR_SSI_SACNT, ssi->regcache_sacnt); return regcache_sync(regs); }