mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
d1a03e6bbc
sandbox_defconfig builds the DA7219 driver. It should be possible to
build the sandbox without ACPI support.
ACPI support in the DA7219 driver is only needed when creating an ACPI
table. Fix building with ACPIGEN=n.
Fixes: 0324b7123e
("sound: Add an ACPI driver for Dialog Semicondutor da7219")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
193 lines
5 KiB
C
193 lines
5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* ACPI driver for DA7219 codec
|
|
*
|
|
* Copyright 2019 Google LLC
|
|
* Parts taken from coreboot
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <i2c.h>
|
|
#include <irq.h>
|
|
#include <log.h>
|
|
#include <acpi/acpigen.h>
|
|
#include <acpi/acpi_device.h>
|
|
#include <acpi/acpi_dp.h>
|
|
#ifdef CONFIG_X86
|
|
#include <asm/acpi_nhlt.h>
|
|
#endif
|
|
#include <asm-generic/gpio.h>
|
|
#include <dt-bindings/sound/nhlt.h>
|
|
#include <dm/acpi.h>
|
|
|
|
#define DA7219_ACPI_HID "DLGS7219"
|
|
|
|
__maybe_unused
|
|
static int da7219_acpi_fill_ssdt(const struct udevice *dev,
|
|
struct acpi_ctx *ctx)
|
|
{
|
|
char scope[ACPI_PATH_MAX];
|
|
char name[ACPI_NAME_MAX];
|
|
struct acpi_dp *dsd, *aad;
|
|
ofnode node;
|
|
u32 val;
|
|
int ret;
|
|
|
|
ret = acpi_device_scope(dev, scope, sizeof(scope));
|
|
if (ret)
|
|
return log_msg_ret("scope", ret);
|
|
ret = acpi_get_name(dev, name);
|
|
if (ret)
|
|
return log_msg_ret("name", ret);
|
|
|
|
/* Device */
|
|
acpigen_write_scope(ctx, scope);
|
|
acpigen_write_device(ctx, name);
|
|
acpigen_write_name_string(ctx, "_HID", DA7219_ACPI_HID);
|
|
acpigen_write_name_integer(ctx, "_UID", 1);
|
|
acpigen_write_name_string(ctx, "_DDN",
|
|
dev_read_string(dev, "acpi,ddn"));
|
|
acpigen_write_name_integer(ctx, "_S0W", 4);
|
|
acpigen_write_sta(ctx, acpi_device_status(dev));
|
|
|
|
/* Resources */
|
|
acpigen_write_name(ctx, "_CRS");
|
|
acpigen_write_resourcetemplate_header(ctx);
|
|
ret = acpi_device_write_i2c_dev(ctx, dev);
|
|
if (ret < 0)
|
|
return log_msg_ret("i2c", ret);
|
|
|
|
/* Use either Interrupt() or GpioInt() */
|
|
ret = acpi_device_write_interrupt_or_gpio(ctx, (struct udevice *)dev,
|
|
"req-gpios");
|
|
if (ret < 0)
|
|
return log_msg_ret("irq_gpio", ret);
|
|
acpigen_write_resourcetemplate_footer(ctx);
|
|
|
|
/* AAD Child Device Properties */
|
|
aad = acpi_dp_new_table("DAAD");
|
|
if (!aad)
|
|
return log_msg_ret("aad", -ENOMEM);
|
|
|
|
node = ofnode_find_subnode(dev_ofnode(dev), "da7219_aad");
|
|
if (!ofnode_valid(node))
|
|
return log_msg_ret("da7219_aad", -EINVAL);
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,btn-cfg");
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,mic-det-thr");
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,jack-ins-deb");
|
|
acpi_dp_ofnode_copy_str(node, aad, "dlg,jack-det-rate");
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,jack-rem-deb");
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,a-d-btn-thr");
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,d-b-btn-thr");
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,b-c-btn-thr");
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,c-mic-btn-thr");
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,btn-avg");
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,adc-1bit-rpt");
|
|
if (!ofnode_read_u32(node, "dlg,micbias-pulse-lvl", &val)) {
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,micbias-pulse-lvl");
|
|
acpi_dp_ofnode_copy_int(node, aad, "dlg,micbias-pulse-time");
|
|
}
|
|
|
|
/* DA7219 Properties */
|
|
dsd = acpi_dp_new_table("_DSD");
|
|
if (!dsd)
|
|
return log_msg_ret("dsd", -ENOMEM);
|
|
acpi_dp_dev_copy_int(dev, dsd, "dlg,micbias-lvl");
|
|
acpi_dp_dev_copy_str(dev, dsd, "dlg,mic-amp-in-sel");
|
|
acpi_dp_dev_copy_str(dev, dsd, "dlg,mclk-name");
|
|
acpi_dp_add_child(dsd, "da7219_aad", aad);
|
|
|
|
/* Write Device Property Hierarchy */
|
|
acpi_dp_write(ctx, dsd);
|
|
|
|
acpigen_pop_len(ctx); /* Device */
|
|
acpigen_pop_len(ctx); /* Scope */
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* For now only X86 boards support NHLT */
|
|
#ifdef CONFIG_X86
|
|
static const struct nhlt_format_config da7219_formats[] = {
|
|
/* 48 KHz 24-bits per sample. */
|
|
{
|
|
.num_channels = 2,
|
|
.sample_freq_khz = 48,
|
|
.container_bits_per_sample = 32,
|
|
.valid_bits_per_sample = 24,
|
|
.settings_file = "dialog-2ch-48khz-24b.dat",
|
|
},
|
|
};
|
|
|
|
static const struct nhlt_tdm_config tdm_config = {
|
|
.virtual_slot = 0,
|
|
.config_type = NHLT_TDM_BASIC,
|
|
};
|
|
|
|
static const struct nhlt_endp_descriptor da7219_descriptors[] = {
|
|
/* Render Endpoint */
|
|
{
|
|
.link = NHLT_LINK_SSP,
|
|
.device = NHLT_SSP_DEV_I2S,
|
|
.direction = NHLT_DIR_RENDER,
|
|
.vid = NHLT_VID,
|
|
.did = NHLT_DID_SSP,
|
|
.cfg = &tdm_config,
|
|
.cfg_size = sizeof(tdm_config),
|
|
.formats = da7219_formats,
|
|
.num_formats = ARRAY_SIZE(da7219_formats),
|
|
},
|
|
/* Capture Endpoint */
|
|
{
|
|
.link = NHLT_LINK_SSP,
|
|
.device = NHLT_SSP_DEV_I2S,
|
|
.direction = NHLT_DIR_CAPTURE,
|
|
.vid = NHLT_VID,
|
|
.did = NHLT_DID_SSP,
|
|
.cfg = &tdm_config,
|
|
.cfg_size = sizeof(tdm_config),
|
|
.formats = da7219_formats,
|
|
.num_formats = ARRAY_SIZE(da7219_formats),
|
|
},
|
|
};
|
|
|
|
static int da7219_acpi_setup_nhlt(const struct udevice *dev,
|
|
struct acpi_ctx *ctx)
|
|
{
|
|
u32 hwlink;
|
|
int ret;
|
|
|
|
if (dev_read_u32(dev, "acpi,audio-link", &hwlink))
|
|
return log_msg_ret("link", -EINVAL);
|
|
|
|
/* Virtual bus id of SSP links are the hardware port ids proper. */
|
|
ret = nhlt_add_ssp_endpoints(ctx->nhlt, hwlink, da7219_descriptors,
|
|
ARRAY_SIZE(da7219_descriptors));
|
|
if (ret)
|
|
return log_msg_ret("add", ret);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
struct acpi_ops da7219_acpi_ops = {
|
|
#ifdef CONFIG_ACPIGEN
|
|
.fill_ssdt = da7219_acpi_fill_ssdt,
|
|
#ifdef CONFIG_X86
|
|
.setup_nhlt = da7219_acpi_setup_nhlt,
|
|
#endif
|
|
#endif
|
|
};
|
|
|
|
static const struct udevice_id da7219_ids[] = {
|
|
{ .compatible = "dlg,da7219" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(da7219) = {
|
|
.name = "da7219",
|
|
.id = UCLASS_MISC,
|
|
.of_match = da7219_ids,
|
|
ACPI_OPS_PTR(&da7219_acpi_ops)
|
|
};
|