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[213.102.74.69]) by smtp.gmail.com with ESMTPSA id s10sm3124235ljm.35.2019.08.13.23.09.09 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 13 Aug 2019 23:09:10 -0700 (PDT) From: codekipper@gmail.com To: maxime.ripard@free-electrons.com, wens@csie.org, linux-sunxi@googlegroups.com Cc: linux-arm-kernel@lists.infradead.org, lgirdwood@gmail.com, broonie@kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, be17068@iperbole.bo.it, Marcus Cooper Subject: [PATCH v5 08/15] ASoC: sun4i-i2s: Add functions for channel mapping Date: Wed, 14 Aug 2019 08:08:47 +0200 Message-Id: <20190814060854.26345-9-codekipper@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190814060854.26345-1-codekipper@gmail.com> References: <20190814060854.26345-1-codekipper@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marcus Cooper As we will eventually add multi-channel audio support to the i2s then create function calls as opposed to regmap fields to add support for different devices. Signed-off-by: Marcus Cooper --- sound/soc/sunxi/sun4i-i2s.c | 71 +++++++++++++++++++++---------------- 1 file changed, 40 insertions(+), 31 deletions(-) diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 0b98adde0717..6de3cb41aaf6 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -141,8 +141,6 @@ struct sun4i_i2s; * @field_fmt_lrclk: regmap field to set frame polarity. * @field_fmt_mode: regmap field to set the operational mode. * @field_fmt_sext: regmap field to set the sign extension. - * @field_txchanmap: location of the tx channel mapping register. - * @field_rxchanmap: location of the rx channel mapping register. */ struct sun4i_i2s_quirks { bool has_reset; @@ -162,8 +160,6 @@ struct sun4i_i2s_quirks { struct reg_field field_fmt_lrclk; struct reg_field field_fmt_mode; struct reg_field field_fmt_sext; - struct reg_field field_txchanmap; - struct reg_field field_rxchanmap; s8 (*get_sr)(const struct sun4i_i2s *, int); s8 (*get_wss)(const struct sun4i_i2s *, int); @@ -174,6 +170,8 @@ struct sun4i_i2s_quirks { void (*set_rxchanen)(const struct sun4i_i2s *, int); void (*set_txchansel)(const struct sun4i_i2s *, int, int); void (*set_rxchansel)(const struct sun4i_i2s *, int); + void (*set_txchanmap)(const struct sun4i_i2s *, int, int); + void (*set_rxchanmap)(const struct sun4i_i2s *, int); }; struct sun4i_i2s { @@ -195,8 +193,6 @@ struct sun4i_i2s { struct regmap_field *field_fmt_lrclk; struct regmap_field *field_fmt_mode; struct regmap_field *field_fmt_sext; - struct regmap_field *field_txchanmap; - struct regmap_field *field_rxchanmap; const struct sun4i_i2s_quirks *variant; @@ -499,6 +495,31 @@ static void sun8i_i2s_set_rxchansel(const struct sun4i_i2s *i2s, int channel) SUN8I_I2S_TX_CHAN_SEL(channel)); } +static void sun4i_i2s_set_txchanmap(const struct sun4i_i2s *i2s, int output, + int channel) +{ + regmap_write(i2s->regmap, SUN4I_I2S_TX_CHAN_MAP_REG, channel); +} + +static void sun8i_i2s_set_txchanmap(const struct sun4i_i2s *i2s, int output, + int channel) +{ + if (output >= 0 && output < 4) { + regmap_write(i2s->regmap, + SUN8I_I2S_TX_CHAN_MAP_REG + (output * 4), channel); + } +} + +static void sun4i_i2s_set_rxchanmap(const struct sun4i_i2s *i2s, int channel) +{ + regmap_write(i2s->regmap, SUN4I_I2S_RX_CHAN_MAP_REG, channel); +} + +static void sun8i_i2s_set_rxchanmap(const struct sun4i_i2s *i2s, int channel) +{ + regmap_write(i2s->regmap, SUN8I_I2S_RX_CHAN_MAP_REG, channel); +} + static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) @@ -524,8 +545,8 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, } /* Map the channels for playback and capture */ - regmap_field_write(i2s->field_txchanmap, 0x76543210); - regmap_field_write(i2s->field_rxchanmap, 0x00003210); + i2s->variant->set_txchanmap(i2s, 0, 0x76543210); + i2s->variant->set_rxchanmap(i2s, 0x00003210); /* Configure the channels */ i2s->variant->set_txchansel(i2s, 0, channels); @@ -1077,13 +1098,13 @@ static const struct sun4i_i2s_quirks sun4i_a10_i2s_quirks = { .has_slave_select_bit = true, .field_fmt_mode = REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 1), .field_fmt_sext = REG_FIELD(SUN4I_I2S_FMT1_REG, 8, 8), - .field_txchanmap = REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31), - .field_rxchanmap = REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31), .get_sr = sun4i_i2s_get_sr, .get_wss = sun4i_i2s_get_wss, .set_format = sun4i_i2s_set_format, .set_txchansel = sun4i_i2s_set_txchansel, .set_rxchansel = sun4i_i2s_set_rxchansel, + .set_txchanmap = sun4i_i2s_set_txchanmap, + .set_rxchanmap = sun4i_i2s_set_rxchanmap, }; static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks = { @@ -1098,13 +1119,13 @@ static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks = { .has_slave_select_bit = true, .field_fmt_mode = REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 1), .field_fmt_sext = REG_FIELD(SUN4I_I2S_FMT1_REG, 8, 8), - .field_txchanmap = REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31), - .field_rxchanmap = REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31), .get_sr = sun4i_i2s_get_sr, .get_wss = sun4i_i2s_get_wss, .set_format = sun4i_i2s_set_format, .set_txchansel = sun4i_i2s_set_txchansel, .set_rxchansel = sun4i_i2s_set_rxchansel, + .set_txchanmap = sun4i_i2s_set_txchanmap, + .set_rxchanmap = sun4i_i2s_set_rxchanmap, }; static const struct sun4i_i2s_quirks sun8i_a83t_i2s_quirks = { @@ -1118,13 +1139,13 @@ static const struct sun4i_i2s_quirks sun8i_a83t_i2s_quirks = { .field_fmt_lrclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7), .has_slave_select_bit = true, .field_fmt_mode = REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 1), - .field_txchanmap = REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31), - .field_rxchanmap = REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31), .get_sr = sun8i_i2s_get_sr_wss, .get_wss = sun8i_i2s_get_sr_wss, .set_format = sun4i_i2s_set_format, .set_txchansel = sun4i_i2s_set_txchansel, .set_rxchansel = sun4i_i2s_set_rxchansel, + .set_txchanmap = sun4i_i2s_set_txchanmap, + .set_rxchanmap = sun4i_i2s_set_rxchanmap, }; static const struct sun4i_i2s_quirks sun8i_h3_i2s_quirks = { @@ -1142,8 +1163,6 @@ static const struct sun4i_i2s_quirks sun8i_h3_i2s_quirks = { .field_fmt_lrclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 19, 19), .field_fmt_mode = REG_FIELD(SUN4I_I2S_CTRL_REG, 4, 5), .field_fmt_sext = REG_FIELD(SUN4I_I2S_FMT1_REG, 4, 5), - .field_txchanmap = REG_FIELD(SUN8I_I2S_TX_CHAN_MAP_REG, 0, 31), - .field_rxchanmap = REG_FIELD(SUN8I_I2S_RX_CHAN_MAP_REG, 0, 31), .get_sr = sun8i_i2s_get_sr_wss, .get_wss = sun8i_i2s_get_sr_wss, .set_format = sun8i_i2s_set_format, @@ -1153,6 +1172,8 @@ static const struct sun4i_i2s_quirks sun8i_h3_i2s_quirks = { .set_rxchanen = sun8i_i2s_set_rxchanen, .set_txchansel = sun8i_i2s_set_txchansel, .set_rxchansel = sun8i_i2s_set_rxchansel, + .set_txchanmap = sun8i_i2s_set_txchanmap, + .set_rxchanmap = sun8i_i2s_set_rxchanmap, }; static const struct sun4i_i2s_quirks sun50i_a64_codec_i2s_quirks = { @@ -1167,13 +1188,13 @@ static const struct sun4i_i2s_quirks sun50i_a64_codec_i2s_quirks = { .field_fmt_lrclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7), .field_fmt_mode = REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 1), .field_fmt_sext = REG_FIELD(SUN4I_I2S_FMT1_REG, 8, 8), - .field_txchanmap = REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31), - .field_rxchanmap = REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31), .get_sr = sun4i_i2s_get_sr, .get_wss = sun4i_i2s_get_wss, .set_format = sun4i_i2s_set_format, .set_txchansel = sun4i_i2s_set_txchansel, .set_rxchansel = sun4i_i2s_set_rxchansel, + .set_txchanmap = sun4i_i2s_set_txchanmap, + .set_rxchanmap = sun4i_i2s_set_rxchanmap, }; static int sun4i_i2s_init_regmap_fields(struct device *dev, @@ -1218,19 +1239,7 @@ static int sun4i_i2s_init_regmap_fields(struct device *dev, i2s->field_fmt_sext = devm_regmap_field_alloc(dev, i2s->regmap, i2s->variant->field_fmt_sext); - if (IS_ERR(i2s->field_fmt_sext)) - return PTR_ERR(i2s->field_fmt_sext); - - i2s->field_txchanmap = - devm_regmap_field_alloc(dev, i2s->regmap, - i2s->variant->field_txchanmap); - if (IS_ERR(i2s->field_txchanmap)) - return PTR_ERR(i2s->field_txchanmap); - - i2s->field_rxchanmap = - devm_regmap_field_alloc(dev, i2s->regmap, - i2s->variant->field_rxchanmap); - return PTR_ERR_OR_ZERO(i2s->field_rxchanmap); + return PTR_ERR_OR_ZERO(i2s->field_fmt_sext); } static int sun4i_i2s_probe(struct platform_device *pdev) -- 2.22.0