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platform/x86: x86-android-tablets: Add audio codec info for Lenovo Yoga Tab 3 Pro YT3-X90F

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The SPI attached WM5102 codec on the Lenovo Yoga Tab 3 Pro YT3-X90F
is not described in the ACPI tables.

Add info to instantiate the SPI device for the codec manually.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231104205828.63139-3-hdegoede@redhat.com
This commit is contained in:
Hans de Goede
2023-11-04 21:58:27 +01:00
parent 70505ea6de
commit 115779bf6a
1 changed files with 98 additions and 0 deletions
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98
drivers/platform/x86/x86-android-tablets/lenovo.c
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@@ -12,6 +12,8 @@
#include <linux/efi.h>
#include <linux/gpio/machine.h>
#include <linux/mfd/arizona/pdata.h>
#include <linux/mfd/arizona/registers.h>
#include <linux/mfd/intel_soc_pmic.h>
#include <linux/pinctrl/consumer.h>
#include <linux/pinctrl/machine.h>
@@ -659,6 +661,88 @@ static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = {
}
};
/*
* The AOSP 3.5 mm Headset: Accessory Specification gives the following values:
* Function A Play/Pause: 0 ohm
* Function D Voice assistant: 135 ohm
* Function B Volume Up 240 ohm
* Function C Volume Down 470 ohm
* Minimum Mic DC resistance 1000 ohm
* Minimum Ear speaker impedance 16 ohm
* Note the first max value below must be less then the min. speaker impedance,
* to allow CTIA/OMTP detection to work. The other max values are the closest
* value from extcon-arizona.c:arizona_micd_levels halfway 2 button resistances.
*/
static const struct arizona_micd_range arizona_micd_aosp_ranges[] = {
{ .max = 11, .key = KEY_PLAYPAUSE },
{ .max = 186, .key = KEY_VOICECOMMAND },
{ .max = 348, .key = KEY_VOLUMEUP },
{ .max = 752, .key = KEY_VOLUMEDOWN },
};
/* YT3 WM5102 arizona_micd_config comes from Android kernel sources */
static struct arizona_micd_config lenovo_yt3_wm5102_micd_config[] = {
{ 0, 1, 0 },
{ ARIZONA_ACCDET_SRC, 2, 1 },
};
static struct arizona_pdata lenovo_yt3_wm5102_pdata = {
.irq_flags = IRQF_TRIGGER_LOW,
.micd_detect_debounce = 200,
.micd_ranges = arizona_micd_aosp_ranges,
.num_micd_ranges = ARRAY_SIZE(arizona_micd_aosp_ranges),
.hpdet_channel = ARIZONA_ACCDET_MODE_HPL,
/* Below settings come from Android kernel sources */
.micd_bias_start_time = 1,
.micd_rate = 6,
.micd_configs = lenovo_yt3_wm5102_micd_config,
.num_micd_configs = ARRAY_SIZE(lenovo_yt3_wm5102_micd_config),
.micbias = {
[0] = { /* MICBIAS1 */
.mV = 2800,
.ext_cap = 1,
.discharge = 1,
.soft_start = 0,
.bypass = 0,
},
[1] = { /* MICBIAS2 */
.mV = 2800,
.ext_cap = 1,
.discharge = 1,
.soft_start = 0,
.bypass = 0,
},
[2] = { /* MICBIAS2 */
.mV = 2800,
.ext_cap = 1,
.discharge = 1,
.soft_start = 0,
.bypass = 0,
},
},
};
static const struct x86_spi_dev_info lenovo_yt3_spi_devs[] __initconst = {
{
/* WM5102 codec */
.board_info = {
.modalias = "wm5102",
.platform_data = &lenovo_yt3_wm5102_pdata,
.max_speed_hz = 5000000,
},
.ctrl_path = "\\_SB_.PCI0.SPI1",
.irq_data = {
.type = X86_ACPI_IRQ_TYPE_GPIOINT,
.chip = "INT33FF:00",
.index = 91,
.trigger = ACPI_LEVEL_SENSITIVE,
.polarity = ACPI_ACTIVE_LOW,
.con_id = "wm5102_irq",
},
}
};
static int __init lenovo_yt3_init(void)
{
int ret;
@@ -702,14 +786,28 @@ static struct gpiod_lookup_table lenovo_yt3_hideep_gpios = {
},
};
static struct gpiod_lookup_table lenovo_yt3_wm5102_gpios = {
.dev_id = "spi1.0",
.table = {
GPIO_LOOKUP("INT33FF:00", 75, "wlf,spkvdd-ena", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("INT33FF:00", 81, "wlf,ldoena", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("INT33FF:00", 82, "reset", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("arizona", 2, "wlf,micd-pol", GPIO_ACTIVE_HIGH),
{ }
},
};
static struct gpiod_lookup_table * const lenovo_yt3_gpios[] = {
&lenovo_yt3_hideep_gpios,
&lenovo_yt3_wm5102_gpios,
NULL
};
const struct x86_dev_info lenovo_yt3_info __initconst = {
.i2c_client_info = lenovo_yt3_i2c_clients,
.i2c_client_count = ARRAY_SIZE(lenovo_yt3_i2c_clients),
.spi_dev_info = lenovo_yt3_spi_devs,
.spi_dev_count = ARRAY_SIZE(lenovo_yt3_spi_devs),
.gpiod_lookup_tables = lenovo_yt3_gpios,
.init = lenovo_yt3_init,
};