Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752113AbdHLLBT (ORCPT ); Sat, 12 Aug 2017 07:01:19 -0400 Received: from mail-lf0-f67.google.com ([209.85.215.67]:38415 "EHLO mail-lf0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750872AbdHLLBP (ORCPT ); Sat, 12 Aug 2017 07:01:15 -0400 From: codekipper@gmail.com To: maxime.ripard@free-electrons.com Cc: linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com, lgirdwood@gmail.com, broonie@kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, be17068@iperbole.bo.it, Marcus Cooper Subject: [PATCH v3 06/11] ASoC: sun4i-i2s: bclk and lrclk polarity tidyup Date: Sat, 12 Aug 2017 13:00:54 +0200 Message-Id: <20170812110059.5115-7-codekipper@gmail.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20170812110059.5115-1-codekipper@gmail.com> References: <20170812110059.5115-1-codekipper@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5421 Lines: 140 From: Marcus Cooper On newer SoCs the bit fields for the blck and lrclk polarity are in a different locations. Use regmap fields to set the polarity bits as intended. Signed-off-by: Marcus Cooper --- sound/soc/sunxi/sun4i-i2s.c | 47 ++++++++++++++++++++++++++++++++------------- 1 file changed, 34 insertions(+), 13 deletions(-) diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 482fe0c65c1f..a389cdf8c4dc 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -50,6 +50,8 @@ #define SUN4I_I2S_FMT0_FMT_RIGHT_J (2 << 0) #define SUN4I_I2S_FMT0_FMT_LEFT_J (1 << 0) #define SUN4I_I2S_FMT0_FMT_I2S (0 << 0) +#define SUN4I_I2S_FMT0_POLARITY_INVERTED (1) +#define SUN4I_I2S_FMT0_POLARITY_NORMAL (0) #define SUN4I_I2S_FMT1_REG 0x08 #define SUN4I_I2S_FIFO_TX_REG 0x0c @@ -101,6 +103,8 @@ * @fmt_offset: Value by which wss and sr needs to be adjusted. * @field_fmt_wss: regmap field to set word select size. * @field_fmt_sr: regmap field to set sample resolution. + * @field_fmt_bclk: regmap field to set clk polarity. + * @field_fmt_lrclk: regmap field to set frame polarity. * @field_txchanmap: location of the tx channel mapping register. * @field_rxchanmap: location of the rx channel mapping register. * @field_txchansel: location of the tx channel select bit fields. @@ -117,6 +121,8 @@ struct sun4i_i2s_quirks { /* Register fields for i2s */ struct reg_field field_fmt_wss; struct reg_field field_fmt_sr; + struct reg_field field_fmt_bclk; + struct reg_field field_fmt_lrclk; struct reg_field field_txchanmap; struct reg_field field_rxchanmap; struct reg_field field_txchansel; @@ -137,6 +143,8 @@ struct sun4i_i2s { /* Register fields for i2s */ struct regmap_field *field_fmt_wss; struct regmap_field *field_fmt_sr; + struct regmap_field *field_fmt_bclk; + struct regmap_field *field_fmt_lrclk; struct regmap_field *field_txchanmap; struct regmap_field *field_rxchanmap; struct regmap_field *field_txchansel; @@ -335,6 +343,8 @@ static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai); u32 val; + u32 bclk_polarity = SUN4I_I2S_FMT0_POLARITY_NORMAL; + u32 lrclk_polarity = SUN4I_I2S_FMT0_POLARITY_NORMAL; /* DAI Mode */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { @@ -359,32 +369,25 @@ static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_IB_IF: /* Invert both clocks */ - val = SUN4I_I2S_FMT0_BCLK_POLARITY_INVERTED | - SUN4I_I2S_FMT0_LRCLK_POLARITY_INVERTED; + bclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED; + lrclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED; break; case SND_SOC_DAIFMT_IB_NF: /* Invert bit clock */ - val = SUN4I_I2S_FMT0_BCLK_POLARITY_INVERTED | - SUN4I_I2S_FMT0_LRCLK_POLARITY_NORMAL; + bclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED; break; case SND_SOC_DAIFMT_NB_IF: /* Invert frame clock */ - val = SUN4I_I2S_FMT0_LRCLK_POLARITY_INVERTED | - SUN4I_I2S_FMT0_BCLK_POLARITY_NORMAL; + lrclk_polarity = SUN4I_I2S_FMT0_POLARITY_INVERTED; break; case SND_SOC_DAIFMT_NB_NF: - /* Nothing to do for both normal cases */ - val = SUN4I_I2S_FMT0_BCLK_POLARITY_NORMAL | - SUN4I_I2S_FMT0_LRCLK_POLARITY_NORMAL; break; default: return -EINVAL; } - regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG, - SUN4I_I2S_FMT0_BCLK_POLARITY_MASK | - SUN4I_I2S_FMT0_LRCLK_POLARITY_MASK, - val); + regmap_field_write(i2s->field_fmt_bclk, bclk_polarity); + regmap_field_write(i2s->field_fmt_lrclk, lrclk_polarity); /* DAI clock master masks */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { @@ -712,6 +715,8 @@ static const struct sun4i_i2s_quirks sun4i_a10_i2s_quirks = { .sun4i_i2s_regmap = &sun4i_i2s_regmap_config, .field_fmt_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3), .field_fmt_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5), + .field_fmt_bclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6), + .field_fmt_lrclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7), .field_txchanmap = REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31), .field_rxchanmap = REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31), .field_txchansel = REG_FIELD(SUN4I_I2S_TX_CHAN_SEL_REG, 0, 2), @@ -724,6 +729,8 @@ static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks = { .sun4i_i2s_regmap = &sun4i_i2s_regmap_config, .field_fmt_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3), .field_fmt_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5), + .field_fmt_bclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6), + .field_fmt_lrclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7), .field_txchanmap = REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31), .field_rxchanmap = REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31), .field_txchansel = REG_FIELD(SUN4I_I2S_TX_CHAN_SEL_REG, 0, 2), @@ -775,6 +782,20 @@ static int sun4i_i2s_init_regmap_fields(struct device *dev, ret = PTR_ERR_OR_ZERO(i2s->field_fmt_sr); } + if (!ret) { + i2s->field_fmt_bclk = + devm_regmap_field_alloc(dev, i2s->regmap, + i2s->variant->field_fmt_bclk); + ret = PTR_ERR_OR_ZERO(i2s->field_fmt_bclk); + } + + if (!ret) { + i2s->field_fmt_lrclk = + devm_regmap_field_alloc(dev, i2s->regmap, + i2s->variant->field_fmt_lrclk); + ret = PTR_ERR_OR_ZERO(i2s->field_fmt_lrclk); + } + return ret; } -- 2.14.1