The Chromebook Pixel 2015 uses this codec with the ACPI ID RT5677CE, so add an ACPI match table and support for reading properties from ACPI.
Signed-off-by: John Keeping <[email protected]> --- sound/soc/codecs/rt5677.c | 109 +++++++++++++++++++++++++++++++++++++--------- 1 file changed, 88 insertions(+), 21 deletions(-) diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c index da9483c1c6fb..72c4e15a0cc8 100644 --- a/sound/soc/codecs/rt5677.c +++ b/sound/soc/codecs/rt5677.c @@ -9,6 +9,7 @@ * published by the Free Software Foundation. */ +#include <linux/acpi.h> #include <linux/fs.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -40,6 +41,15 @@ #define RT5677_PR_BASE (RT5677_PR_RANGE_BASE + (0 * RT5677_PR_SPACING)) +/* GPIO indexes defined by ACPI */ +enum { + RT5677_GPIO_PLUG_DET, + RT5677_GPIO_MIC_PRESENT_L, + RT5677_GPIO_HOTWORD_DET_L, + RT5677_GPIO_DSP_INT, + RT5677_GPIO_HP_AMP_SHDN_L, +}; + static const struct regmap_range_cfg rt5677_ranges[] = { { .name = "PR", @@ -5022,29 +5032,57 @@ static const struct i2c_device_id rt5677_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, rt5677_i2c_id); +static const struct acpi_gpio_params plug_det_gpio = { RT5677_GPIO_PLUG_DET, 0, false }; +static const struct acpi_gpio_params mic_present_gpio = { RT5677_GPIO_MIC_PRESENT_L, 0, false }; +static const struct acpi_gpio_params headphone_enable_gpio = { RT5677_GPIO_HP_AMP_SHDN_L, 0, false }; + +static const struct acpi_gpio_mapping bdw_rt5677_gpios[] = { + { "plug-det-gpios", &plug_det_gpio, 1 }, + { "mic-present-gpios", &mic_present_gpio, 1 }, + { "headphone-enable-gpios", &headphone_enable_gpio, 1 }, + { NULL }, +}; + static void rt5677_read_device_properties(struct rt5677_priv *rt5677, struct device *dev) { - rt5677->pdata.in1_diff = device_property_read_bool(dev, - "realtek,in1-differential"); - rt5677->pdata.in2_diff = device_property_read_bool(dev, - "realtek,in2-differential"); - rt5677->pdata.lout1_diff = device_property_read_bool(dev, - "realtek,lout1-differential"); - rt5677->pdata.lout2_diff = device_property_read_bool(dev, - "realtek,lout2-differential"); - rt5677->pdata.lout3_diff = device_property_read_bool(dev, - "realtek,lout3-differential"); - - device_property_read_u8_array(dev, "realtek,gpio-config", - rt5677->pdata.gpio_config, RT5677_GPIO_NUM); - - device_property_read_u32(dev, "realtek,jd1-gpio", - &rt5677->pdata.jd1_gpio); - device_property_read_u32(dev, "realtek,jd2-gpio", - &rt5677->pdata.jd2_gpio); - device_property_read_u32(dev, "realtek,jd3-gpio", - &rt5677->pdata.jd3_gpio); + if (ACPI_HANDLE(dev)) { + u32 val; + + if (!device_property_read_u32(dev, "DCLK", &val)) + rt5677->pdata.dmic2_clk_pin = val; + + rt5677->pdata.in1_diff = device_property_read_bool(dev, "IN1"); + rt5677->pdata.in2_diff = device_property_read_bool(dev, "IN2"); + rt5677->pdata.lout1_diff = device_property_read_bool(dev, "OUT1"); + rt5677->pdata.lout2_diff = device_property_read_bool(dev, "OUT2"); + rt5677->pdata.lout3_diff = device_property_read_bool(dev, "OUT3"); + + device_property_read_u32(dev, "JD1", &rt5677->pdata.jd1_gpio); + device_property_read_u32(dev, "JD2", &rt5677->pdata.jd2_gpio); + device_property_read_u32(dev, "JD3", &rt5677->pdata.jd3_gpio); + } else { + rt5677->pdata.in1_diff = device_property_read_bool(dev, + "realtek,in1-differential"); + rt5677->pdata.in2_diff = device_property_read_bool(dev, + "realtek,in2-differential"); + rt5677->pdata.lout1_diff = device_property_read_bool(dev, + "realtek,lout1-differential"); + rt5677->pdata.lout2_diff = device_property_read_bool(dev, + "realtek,lout2-differential"); + rt5677->pdata.lout3_diff = device_property_read_bool(dev, + "realtek,lout3-differential"); + + device_property_read_u8_array(dev, "realtek,gpio-config", + rt5677->pdata.gpio_config, RT5677_GPIO_NUM); + + device_property_read_u32(dev, "realtek,jd1-gpio", + &rt5677->pdata.jd1_gpio); + device_property_read_u32(dev, "realtek,jd2-gpio", + &rt5677->pdata.jd2_gpio); + device_property_read_u32(dev, "realtek,jd3-gpio", + &rt5677->pdata.jd3_gpio); + } } static struct regmap_irq rt5677_irqs[] = { @@ -5123,7 +5161,27 @@ static int rt5677_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, rt5677); - rt5677->type = id->driver_data; + if (ACPI_HANDLE(&i2c->dev)) { + const struct acpi_device_id *acpi_id; + + acpi_id = acpi_match_device(i2c->dev.driver->acpi_match_table, + &i2c->dev); + if (!acpi_id) { + dev_err(&i2c->dev, "No driver data\n"); + return -EINVAL; + } + rt5677->type = acpi_id->driver_data; + + ret = acpi_dev_add_driver_gpios(ACPI_COMPANION(&i2c->dev), + bdw_rt5677_gpios); + if (ret) { + dev_err(&i2c->dev, "Failed to add driver gpios\n"); + return ret; + } + + } else if (id) { + rt5677->type = id->driver_data; + } if (pdata) rt5677->pdata = *pdata; @@ -5238,9 +5296,18 @@ static int rt5677_i2c_remove(struct i2c_client *i2c) return 0; } +#ifdef CONFIG_ACPI +static const struct acpi_device_id rt5677_acpi_id[] = { + { "RT5677CE", RT5677 }, + { } +}; +MODULE_DEVICE_TABLE(acpi, rt5677_acpi_id); +#endif + static struct i2c_driver rt5677_i2c_driver = { .driver = { .name = "rt5677", + .acpi_match_table = ACPI_PTR(rt5677_acpi_id), }, .probe = rt5677_i2c_probe, .remove = rt5677_i2c_remove, -- 2.9.3.728.g30b24b4.dirty
