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[4/5] SOC Codecs: TLV320AIC3X add SPI: SPI code

Message ID 20210406105018.59463-5-jiri.prchal@aksignal.cz
State New
Headers show
Series None | expand

Commit Message

Jiri Prchal April 6, 2021, 10:50 a.m. UTC 
Things related to SPI in separate file.
Please help with getting model value, line 34. I didn't find out where to get "driver_data".

Signed-off-by: Jiri Prchal <jiri.prchal@aksignal.cz>
---
 sound/soc/codecs/tlv320aic3x-spi.c | 77 ++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 sound/soc/codecs/tlv320aic3x-spi.c

Comments

Mark Brown April 6, 2021, 12:21 p.m. UTC | #1 
On Tue, Apr 06, 2021 at 12:50:17PM +0200, Jiri Prchal wrote:
> Things related to SPI in separate file.
> Please help with getting model value, line 34. I didn't find out where to get "driver_data".

Look at how adau1977 does this - spi_get_devicde_id().
diff mbox series

Patch

diff --git a/sound/soc/codecs/tlv320aic3x-spi.c b/sound/soc/codecs/tlv320aic3x-spi.c
new file mode 100644
index 000000000000..611d53e1bdf2
--- /dev/null
+++ b/sound/soc/codecs/tlv320aic3x-spi.c
@@ -0,0 +1,77 @@ 
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * ALSA SoC TLV320AIC3x codec driver SPI interface
+ *
+ * Author:      Arun KS, <arunks@mistralsolutions.com>
+ * Copyright:   (C) 2008 Mistral Solutions Pvt Ltd.,
+ *
+ * Based on sound/soc/codecs/wm8731.c by Richard Purdie
+ *
+ */
+
+#include <linux/spi/spi.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+#include <sound/soc.h>
+
+#include "tlv320aic3x.h"
+
+static int aic3x_spi_probe(struct spi_device *spi)
+{
+	struct regmap *regmap;
+	struct regmap_config config;
+
+	config = aic3x_regmap_config;
+	config.reg_bits = 7;
+	config.pad_bits = 1;
+	config.val_bits = 8;
+	config.read_flag_mask = 0x01;
+
+	dev_dbg(&spi->dev, "probing tlv320aic3x spi device\n");
+
+	regmap = devm_regmap_init_spi(spi, &config);
+	return aic3x_probe(&spi->dev, regmap, AIC3X_MODEL_3X); /*FIXME: where to get id->driver_data?*/
+}
+
+static int aic3x_spi_remove(struct spi_device *spi)
+{
+	return aic3x_remove(&spi->dev);
+}
+
+static const struct spi_device_id aic3x_spi_id[] = {
+	{ "tlv320aic3x", AIC3X_MODEL_3X },
+	{ "tlv320aic33", AIC3X_MODEL_33 },
+	{ "tlv320aic3007", AIC3X_MODEL_3007 },
+	{ "tlv320aic3104", AIC3X_MODEL_3104 },
+	{ "tlv320aic3106", AIC3X_MODEL_3106 },
+	{ }
+};
+MODULE_DEVICE_TABLE(spi, aic3x_spi_id);
+
+static const struct of_device_id aic3x_of_id[] = {
+	{ .compatible = "ti,tlv320aic3x", },
+	{ .compatible = "ti,tlv320aic33" },
+	{ .compatible = "ti,tlv320aic3007" },
+	{ .compatible = "ti,tlv320aic3104" },
+	{ .compatible = "ti,tlv320aic3106" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, aic3x_of_id);
+
+static struct spi_driver aic3x_spi_driver = {
+	.driver = {
+		.name = "tlv320aic3x",
+		.owner = THIS_MODULE,
+		.of_match_table = aic3x_of_id,
+	},
+	.probe = aic3x_spi_probe,
+	.remove = aic3x_spi_remove,
+	.id_table = aic3x_spi_id,
+};
+
+module_spi_driver(aic3x_spi_driver);
+
+MODULE_DESCRIPTION("ASoC TLV320AIC3x codec driver SPI");
+MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
+MODULE_LICENSE("GPL");