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zircon-guest/third_party/linux/refs/heads/linux-7.3.y/./sound/hda/codecs/side-codecs/cs35l41_hda.c
blob: 62296be45c55e73c13f54e86308bc9876717b7fe [file] [edit]
// SPDX-License-Identifier: GPL-2.0
//
// CS35l41 ALSA HDA audio driver
//
// Copyright 2021 Cirrus Logic, Inc.
//
// Author: Lucas Tanure <tanureal@opensource.cirrus.com>
#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <sound/hda_codec.h>
#include <sound/soc.h>
#include <linux/pm_runtime.h>
#include <linux/spi/spi.h>
#include <linux/vmalloc.h>
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_jack.h"
#include "../generic.h"
#include "hda_component.h"
#include "cs35l41_hda.h"
#include "cs35l41_hda_property.h"
#define CS35L41_PART "cs35l41"
#define HALO_STATE_DSP_CTL_NAME "HALO_STATE"
#define HALO_STATE_DSP_CTL_TYPE 5
#define HALO_STATE_DSP_CTL_ALG 262308
#define CAL_R_DSP_CTL_NAME "CAL_R"
#define CAL_STATUS_DSP_CTL_NAME "CAL_STATUS"
#define CAL_CHECKSUM_DSP_CTL_NAME "CAL_CHECKSUM"
#define CAL_AMBIENT_DSP_CTL_NAME "CAL_AMBIENT"
#define CAL_DSP_CTL_TYPE 5
#define CAL_DSP_CTL_ALG 205
#define CS35L41_UUID "50d90cdc-3de4-4f18-b528-c7fe3b71f40d"
#define CS35L41_DSM_GET_MUTE 5
#define CS35L41_NOTIFY_EVENT 0x91
#define CS35L41_TUNING_SIG 0x109A4A35
enum cs35l41_tuning_param_types {
TUNING_PARAM_GAIN,
};
struct cs35l41_tuning_param_hdr {
__le32 tuning_index;
__le32 type;
__le32 size;
} __packed;
struct cs35l41_tuning_param {
struct cs35l41_tuning_param_hdr hdr;
union {
__le32 gain;
};
} __packed;
struct cs35l41_tuning_params {
__le32 signature;
__le32 version;
__le32 size;
__le32 num_entries;
u8 data[];
} __packed;
/* Firmware calibration controls */
static const struct cirrus_amp_cal_controls cs35l41_calibration_controls = {
.alg_id = CAL_DSP_CTL_ALG,
.mem_region = CAL_DSP_CTL_TYPE,
.ambient = CAL_AMBIENT_DSP_CTL_NAME,
.calr = CAL_R_DSP_CTL_NAME,
.status = CAL_STATUS_DSP_CTL_NAME,
.checksum = CAL_CHECKSUM_DSP_CTL_NAME,
};
enum cs35l41_hda_fw_id {
CS35L41_HDA_FW_SPK_PROT,
CS35L41_HDA_FW_SPK_CALI,
CS35L41_HDA_FW_SPK_DIAG,
CS35L41_HDA_FW_MISC,
CS35L41_HDA_NUM_FW
};
static const char * const cs35l41_hda_fw_ids[CS35L41_HDA_NUM_FW] = {
[CS35L41_HDA_FW_SPK_PROT] = "spk-prot",
[CS35L41_HDA_FW_SPK_CALI] = "spk-cali",
[CS35L41_HDA_FW_SPK_DIAG] = "spk-diag",
[CS35L41_HDA_FW_MISC] = "misc",
};
static bool firmware_autostart = 1;
module_param(firmware_autostart, bool, 0444);
MODULE_PARM_DESC(firmware_autostart, "Allow automatic firmware download on boot"
"(0=Disable, 1=Enable) (default=1); ");
static const char channel_name[3] = { 'L', 'R', 'C' };
static const struct reg_sequence cs35l41_hda_config[] = {
{ CS35L41_PLL_CLK_CTRL, 0x00000430 }, // 3072000Hz, BCLK Input, PLL_REFCLK_EN = 1
{ CS35L41_DSP_CLK_CTRL, 0x00000003 }, // DSP CLK EN
{ CS35L41_GLOBAL_CLK_CTRL, 0x00000003 }, // GLOBAL_FS = 48 kHz
{ CS35L41_SP_RATE_CTRL, 0x00000021 }, // ASP_BCLK_FREQ = 3.072 MHz
{ CS35L41_SP_FORMAT, 0x20200200 }, // 32 bits RX/TX slots, I2S, clk consumer
{ CS35L41_SP_TX_WL, 0x00000018 }, // 24 cycles/slot
{ CS35L41_SP_RX_WL, 0x00000018 }, // 24 cycles/slot
{ CS35L41_ASP_TX1_SRC, 0x00000018 }, // ASPTX1 SRC = VMON
{ CS35L41_ASP_TX2_SRC, 0x00000019 }, // ASPTX2 SRC = IMON
{ CS35L41_DSP1_RX3_SRC, 0x00000018 }, // DSP1RX3 SRC = VMON
{ CS35L41_DSP1_RX4_SRC, 0x00000019 }, // DSP1RX4 SRC = IMON
};
static const struct reg_sequence cs35l41_hda_config_no_dsp[] = {
{ CS35L41_SP_HIZ_CTRL, 0x00000002 }, // Hi-Z unused
{ CS35L41_DAC_PCM1_SRC, 0x00000008 }, // DACPCM1_SRC = ASPRX1
{ CS35L41_ASP_TX3_SRC, 0x00000000 }, // ASPTX3 SRC = ZERO FILL
{ CS35L41_ASP_TX4_SRC, 0x00000000 }, // ASPTX4 SRC = ZERO FILL
{ CS35L41_DSP1_RX5_SRC, 0x00000020 }, // DSP1RX5 SRC = ERRVOL
{ CS35L41_DSP1_RX6_SRC, 0x00000021 }, // DSP1RX6 SRC = CLASSH_TGT
};
static const struct reg_sequence cs35l41_hda_config_dsp[] = {
{ CS35L41_SP_HIZ_CTRL, 0x00000003 }, // Hi-Z unused/disabled
{ CS35L41_DAC_PCM1_SRC, 0x00000032 }, // DACPCM1_SRC = DSP1TX1
{ CS35L41_ASP_TX3_SRC, 0x00000028 }, // ASPTX3 SRC = VPMON
{ CS35L41_ASP_TX4_SRC, 0x00000029 }, // ASPTX4 SRC = VBSTMON
{ CS35L41_DSP1_RX6_SRC, 0x00000029 }, // DSP1RX6 SRC = VBSTMON
};
static const struct reg_sequence cs35l41_hda_unmute[] = {
{ CS35L41_AMP_DIG_VOL_CTRL, 0x00008000 }, // AMP_HPF_PCM_EN = 1, AMP_VOL_PCM 0.0 dB
{ CS35L41_AMP_GAIN_CTRL, 0x00000084 }, // AMP_GAIN_PCM 4.5 dB
};
static const struct reg_sequence cs35l41_hda_mute[] = {
{ CS35L41_AMP_GAIN_CTRL, 0x00000000 }, // AMP_GAIN_PCM 0.5 dB
{ CS35L41_AMP_DIG_VOL_CTRL, 0x0000A678 }, // AMP_HPF_PCM_EN = 1, AMP_VOL_PCM Mute
};
static const struct cs_dsp_client_ops client_ops = {
/* cs_dsp requires the client to provide this even if it is empty */
};
static int cs35l41_request_tuning_param_file(struct cs35l41_hda *cs35l41, char *tuning_filename,
const struct firmware **firmware, char **filename,
const char *ssid)
{
int ret = 0;
/* Filename is the same as the tuning file with "cfg" suffix */
*filename = kasprintf(GFP_KERNEL, "%scfg", tuning_filename);
if (*filename == NULL)
return -ENOMEM;
ret = firmware_request_nowarn(firmware, *filename, cs35l41->dev);
if (ret != 0) {
dev_dbg(cs35l41->dev, "Failed to request '%s'\n", *filename);
kfree(*filename);
*filename = NULL;
}
return ret;
}
static int cs35l41_request_firmware_file(struct cs35l41_hda *cs35l41,
const struct firmware **firmware, char **filename,
const char *ssid, const char *amp_name,
int spkid, const char *filetype)
{
const char * const dsp_name = cs35l41->cs_dsp.name;
char *s, c;
int ret = 0;
*firmware = NULL;
if (spkid > -1 && ssid && amp_name)
*filename = kasprintf(GFP_KERNEL, "cirrus/%s-%s-%s-%s-spkid%d-%s.%s", CS35L41_PART,
dsp_name, cs35l41_hda_fw_ids[cs35l41->firmware_type],
ssid, spkid, amp_name, filetype);
else if (spkid > -1 && ssid)
*filename = kasprintf(GFP_KERNEL, "cirrus/%s-%s-%s-%s-spkid%d.%s", CS35L41_PART,
dsp_name, cs35l41_hda_fw_ids[cs35l41->firmware_type],
ssid, spkid, filetype);
else if (ssid && amp_name)
*filename = kasprintf(GFP_KERNEL, "cirrus/%s-%s-%s-%s-%s.%s", CS35L41_PART,
dsp_name, cs35l41_hda_fw_ids[cs35l41->firmware_type],
ssid, amp_name, filetype);
else if (ssid)
*filename = kasprintf(GFP_KERNEL, "cirrus/%s-%s-%s-%s.%s", CS35L41_PART,
dsp_name, cs35l41_hda_fw_ids[cs35l41->firmware_type],
ssid, filetype);
else
*filename = kasprintf(GFP_KERNEL, "cirrus/%s-%s-%s.%s", CS35L41_PART,
dsp_name, cs35l41_hda_fw_ids[cs35l41->firmware_type],
filetype);
if (*filename == NULL)
return -ENOMEM;
/*
* Make sure that filename is lower-case and any non alpha-numeric
* characters except full stop and '/' are replaced with hyphens.
*/
s = *filename;
while (*s) {
c = *s;
if (isalnum(c))
*s = tolower(c);
else if (c != '.' && c != '/')
*s = '-';
s++;
}
ret = firmware_request_nowarn(firmware, *filename, cs35l41->dev);
if (ret != 0) {
dev_dbg(cs35l41->dev, "Failed to request '%s'\n", *filename);
kfree(*filename);
*filename = NULL;
}
return ret;
}
static int cs35l41_request_firmware_files_spkid(struct cs35l41_hda *cs35l41,
const struct firmware **wmfw_firmware,
char **wmfw_filename,
const struct firmware **coeff_firmware,
char **coeff_filename)
{
int ret;
/* try cirrus/part-dspN-fwtype-sub<-spkidN><-ampname>.wmfw */
ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename,
cs35l41->acpi_subsystem_id, cs35l41->amp_name,
cs35l41->speaker_id, "wmfw");
if (!ret) {
/* try cirrus/part-dspN-fwtype-sub<-spkidN><-ampname>.bin */
ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename,
cs35l41->acpi_subsystem_id, cs35l41->amp_name,
cs35l41->speaker_id, "bin");
if (ret)
goto coeff_err;
return 0;
}
/* try cirrus/part-dspN-fwtype-sub<-ampname>.wmfw */
ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename,
cs35l41->acpi_subsystem_id,
cs35l41->amp_name, -1, "wmfw");
if (!ret) {
/* try cirrus/part-dspN-fwtype-sub<-spkidN><-ampname>.bin */
ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename,
cs35l41->acpi_subsystem_id, cs35l41->amp_name,
cs35l41->speaker_id, "bin");
if (ret)
goto coeff_err;
return 0;
}
/* try cirrus/part-dspN-fwtype-sub<-spkidN>.wmfw */
ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename,
cs35l41->acpi_subsystem_id,
NULL, cs35l41->speaker_id, "wmfw");
if (!ret) {
/* try cirrus/part-dspN-fwtype-sub<-spkidN><-ampname>.bin */
ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename,
cs35l41->acpi_subsystem_id,
cs35l41->amp_name, cs35l41->speaker_id, "bin");
if (ret)
/* try cirrus/part-dspN-fwtype-sub<-spkidN>.bin */
ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware,
coeff_filename,
cs35l41->acpi_subsystem_id, NULL,
cs35l41->speaker_id, "bin");
if (ret)
goto coeff_err;
return 0;
}
/* try cirrus/part-dspN-fwtype-sub.wmfw */
ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename,
cs35l41->acpi_subsystem_id,
NULL, -1, "wmfw");
if (!ret) {
/* try cirrus/part-dspN-fwtype-sub<-spkidN><-ampname>.bin */
ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename,
cs35l41->acpi_subsystem_id, cs35l41->amp_name,
cs35l41->speaker_id, "bin");
if (ret)
/* try cirrus/part-dspN-fwtype-sub<-spkidN>.bin */
ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware,
coeff_filename,
cs35l41->acpi_subsystem_id, NULL,
cs35l41->speaker_id, "bin");
if (ret)
goto coeff_err;
}
return ret;
coeff_err:
release_firmware(*wmfw_firmware);
kfree(*wmfw_filename);
return ret;
}
static int cs35l41_fallback_firmware_file(struct cs35l41_hda *cs35l41,
const struct firmware **wmfw_firmware,
char **wmfw_filename,
const struct firmware **coeff_firmware,
char **coeff_filename)
{
int ret;
/* Handle fallback */
dev_warn(cs35l41->dev, "Falling back to default firmware.\n");
/* fallback try cirrus/part-dspN-fwtype.wmfw */
ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename,
NULL, NULL, -1, "wmfw");
if (ret)
goto err;
/* fallback try cirrus/part-dspN-fwtype.bin */
ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename,
NULL, NULL, -1, "bin");
if (ret) {
release_firmware(*wmfw_firmware);
kfree(*wmfw_filename);
goto err;
}
return 0;
err:
dev_warn(cs35l41->dev, "Unable to find firmware and tuning\n");
return ret;
}
static int cs35l41_request_firmware_files(struct cs35l41_hda *cs35l41,
const struct firmware **wmfw_firmware,
char **wmfw_filename,
const struct firmware **coeff_firmware,
char **coeff_filename)
{
int ret;
if (cs35l41->speaker_id > -1) {
ret = cs35l41_request_firmware_files_spkid(cs35l41, wmfw_firmware, wmfw_filename,
coeff_firmware, coeff_filename);
goto out;
}
/* try cirrus/part-dspN-fwtype-sub<-ampname>.wmfw */
ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename,
cs35l41->acpi_subsystem_id,
cs35l41->amp_name, -1, "wmfw");
if (!ret) {
/* try cirrus/part-dspN-fwtype-sub<-ampname>.bin */
ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename,
cs35l41->acpi_subsystem_id, cs35l41->amp_name,
-1, "bin");
if (ret)
goto coeff_err;
goto out;
}
/* try cirrus/part-dspN-fwtype-sub.wmfw */
ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename,
cs35l41->acpi_subsystem_id,
NULL, -1, "wmfw");
if (!ret) {
/* try cirrus/part-dspN-fwtype-sub<-ampname>.bin */
ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename,
cs35l41->acpi_subsystem_id,
cs35l41->amp_name, -1, "bin");
if (ret)
/* try cirrus/part-dspN-fwtype-sub.bin */
ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename,
cs35l41->acpi_subsystem_id, NULL, -1,
"bin");
if (ret)
goto coeff_err;
}
out:
if (ret)
/* if all attempts at finding firmware fail, try fallback */
goto fallback;
return 0;
coeff_err:
release_firmware(*wmfw_firmware);
kfree(*wmfw_filename);
fallback:
return cs35l41_fallback_firmware_file(cs35l41, wmfw_firmware, wmfw_filename,
coeff_firmware, coeff_filename);
}
static void cs35l41_hda_apply_calibration(struct cs35l41_hda *cs35l41)
{
int ret;
if (!cs35l41->cal_data_valid)
return;
ret = cs_amp_write_cal_coeffs(&cs35l41->cs_dsp, &cs35l41_calibration_controls,
&cs35l41->cal_data);
if (ret < 0)
dev_warn(cs35l41->dev, "Failed to apply calibration: %d\n", ret);
else
dev_info(cs35l41->dev, "Calibration applied: R0=%d\n", cs35l41->cal_data.calR);
}
static int cs35l41_read_silicon_uid(struct cs35l41_hda *cs35l41, u64 *uid)
{
u32 tmp;
int ret;
ret = regmap_read(cs35l41->regmap, CS35L41_DIE_STS2, &tmp);
if (ret) {
dev_err(cs35l41->dev, "Cannot obtain CS35L41_DIE_STS2: %d\n", ret);
return ret;
}
*uid = tmp;
*uid <<= 32;
ret = regmap_read(cs35l41->regmap, CS35L41_DIE_STS1, &tmp);
if (ret) {
dev_err(cs35l41->dev, "Cannot obtain CS35L41_DIE_STS1: %d\n", ret);
return ret;
}
*uid |= tmp;
dev_dbg(cs35l41->dev, "UniqueID = %#llx\n", *uid);
return 0;
}
static int cs35l41_get_calibration(struct cs35l41_hda *cs35l41)
{
u64 silicon_uid;
int ret;
ret = cs35l41_read_silicon_uid(cs35l41, &silicon_uid);
if (ret < 0)
return ret;
ret = cs_amp_get_efi_calibration_data(cs35l41->dev, silicon_uid,
cs35l41->index,
&cs35l41->cal_data);
/* Only return an error status if probe should be aborted */
if ((ret == -ENOENT) || (ret == -EOVERFLOW))
return 0;
if (ret < 0)
return ret;
cs35l41->cal_data_valid = true;
return 0;
}
static void cs35l41_set_default_tuning_params(struct cs35l41_hda *cs35l41)
{
cs35l41->tuning_gain = DEFAULT_AMP_GAIN_PCM;
}
static int cs35l41_read_tuning_params(struct cs35l41_hda *cs35l41, const struct firmware *firmware)
{
struct cs35l41_tuning_params *params;
unsigned int offset = 0;
unsigned int end;
int i;
params = (void *)&firmware->data[0];
if (le32_to_cpu(params->size) != firmware->size) {
dev_err(cs35l41->dev, "Wrong Size for Tuning Param file. Expected %d got %zu\n",
le32_to_cpu(params->size), firmware->size);
return -EINVAL;
}
if (le32_to_cpu(params->version) != 1) {
dev_err(cs35l41->dev, "Unsupported Tuning Param Version: %d\n",
le32_to_cpu(params->version));
return -EINVAL;
}
if (le32_to_cpu(params->signature) != CS35L41_TUNING_SIG) {
dev_err(cs35l41->dev,
"Mismatched Signature for Tuning Param file. Expected %#x got %#x\n",
CS35L41_TUNING_SIG, le32_to_cpu(params->signature));
return -EINVAL;
}
end = firmware->size - sizeof(struct cs35l41_tuning_params);
for (i = 0; i < le32_to_cpu(params->num_entries); i++) {
struct cs35l41_tuning_param *param;
if ((offset >= end) || ((offset + sizeof(struct cs35l41_tuning_param_hdr)) >= end))
return -EFAULT;
param = (void *)&params->data[offset];
offset += le32_to_cpu(param->hdr.size);
if (offset > end)
return -EFAULT;
switch (le32_to_cpu(param->hdr.type)) {
case TUNING_PARAM_GAIN:
cs35l41->tuning_gain = le32_to_cpu(param->gain);
dev_dbg(cs35l41->dev, "Applying Gain: %d\n", cs35l41->tuning_gain);
break;
default:
break;
}
}
return 0;
}
static int cs35l41_load_tuning_params(struct cs35l41_hda *cs35l41, char *tuning_filename)
{
const struct firmware *tuning_param_file __free(firmware) = NULL;
char *tuning_param_filename __free(kfree) = NULL;
int ret;
ret = cs35l41_request_tuning_param_file(cs35l41, tuning_filename, &tuning_param_file,
&tuning_param_filename, cs35l41->acpi_subsystem_id);
if (ret) {
dev_dbg(cs35l41->dev, "Missing Tuning Param for file: %s: %d\n", tuning_filename,
ret);
return 0;
}
ret = cs35l41_read_tuning_params(cs35l41, tuning_param_file);
if (ret) {
dev_err(cs35l41->dev, "Error reading Tuning Params from file: %s: %d\n",
tuning_param_filename, ret);
/* Reset to default Tuning Parameters */
cs35l41_set_default_tuning_params(cs35l41);
}
return ret;
}
static int cs35l41_init_dsp(struct cs35l41_hda *cs35l41)
{
const struct firmware *coeff_firmware __free(firmware) = NULL;
const struct firmware *wmfw_firmware __free(firmware) = NULL;
struct cs_dsp *dsp = &cs35l41->cs_dsp;
char *coeff_filename __free(kfree) = NULL;
char *wmfw_filename __free(kfree) = NULL;
int ret;
if (!cs35l41->halo_initialized) {
cs35l41_configure_cs_dsp(cs35l41->dev, cs35l41->regmap, dsp);
dsp->client_ops = &client_ops;
ret = cs_dsp_halo_init(&cs35l41->cs_dsp);
if (ret)
return ret;
cs35l41->halo_initialized = true;
}
cs35l41_set_default_tuning_params(cs35l41);
ret = cs35l41_request_firmware_files(cs35l41, &wmfw_firmware, &wmfw_filename,
&coeff_firmware, &coeff_filename);
if (ret < 0)
return ret;
dev_dbg(cs35l41->dev, "Loading WMFW Firmware: %s\n", wmfw_filename);
if (coeff_filename) {
dev_dbg(cs35l41->dev, "Loading Coefficient File: %s\n", coeff_filename);
ret = cs35l41_load_tuning_params(cs35l41, coeff_filename);
if (ret)
dev_warn(cs35l41->dev, "Unable to load Tuning Parameters: %d\n", ret);
} else {
dev_warn(cs35l41->dev, "No Coefficient File available.\n");
}
ret = cs_dsp_power_up(dsp, wmfw_firmware, wmfw_filename, coeff_firmware, coeff_filename,
cs35l41_hda_fw_ids[cs35l41->firmware_type]);
if (ret) {
cs35l41_set_default_tuning_params(cs35l41);
return ret;
}
cs35l41_hda_apply_calibration(cs35l41);
return 0;
}
static void cs35l41_shutdown_dsp(struct cs35l41_hda *cs35l41)
{
struct cs_dsp *dsp = &cs35l41->cs_dsp;
cs35l41_set_default_tuning_params(cs35l41);
cs_dsp_stop(dsp);
cs_dsp_power_down(dsp);
dev_dbg(cs35l41->dev, "Unloaded Firmware\n");
}
static void cs35l41_remove_dsp(struct cs35l41_hda *cs35l41)
{
struct cs_dsp *dsp = &cs35l41->cs_dsp;
cancel_work_sync(&cs35l41->fw_load_work);
guard(mutex)(&cs35l41->fw_mutex);
cs35l41_shutdown_dsp(cs35l41);
cs_dsp_remove(dsp);
cs35l41->halo_initialized = false;
}
/* Protection release cycle to get the speaker out of Safe-Mode */
static void cs35l41_error_release(struct device *dev, struct regmap *regmap, unsigned int mask)
{
regmap_write(regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_set_bits(regmap, CS35L41_PROTECT_REL_ERR_IGN, mask);
regmap_clear_bits(regmap, CS35L41_PROTECT_REL_ERR_IGN, mask);
}
/* Clear all errors to release safe mode. Global Enable must be cleared first. */
static void cs35l41_irq_release(struct cs35l41_hda *cs35l41)
{
cs35l41_error_release(cs35l41->dev, cs35l41->regmap, cs35l41->irq_errors);
cs35l41->irq_errors = 0;
}
static void cs35l41_update_mixer(struct cs35l41_hda *cs35l41)
{
struct regmap *reg = cs35l41->regmap;
unsigned int asp_en = 0;
unsigned int dsp1rx2_src = 0;
regmap_multi_reg_write(reg, cs35l41_hda_config, ARRAY_SIZE(cs35l41_hda_config));
if (cs35l41->cs_dsp.running) {
asp_en |= CS35L41_ASP_TX1_EN_MASK; // ASP_TX1_EN = 1
regmap_multi_reg_write(reg, cs35l41_hda_config_dsp,
ARRAY_SIZE(cs35l41_hda_config_dsp));
if (cs35l41->hw_cfg.bst_type == CS35L41_INT_BOOST)
regmap_write(reg, CS35L41_DSP1_RX5_SRC, CS35L41_INPUT_SRC_VPMON);
else
regmap_write(reg, CS35L41_DSP1_RX5_SRC, CS35L41_INPUT_SRC_VBSTMON);
} else {
regmap_multi_reg_write(reg, cs35l41_hda_config_no_dsp,
ARRAY_SIZE(cs35l41_hda_config_no_dsp));
}
if (cs35l41->hw_cfg.spk_pos == CS35L41_CENTER) {
asp_en |= CS35L41_ASP_RX2_EN_MASK; // ASP_RX2_EN = 1
dsp1rx2_src = 0x00000009; // DSP1RX2 SRC = ASPRX2
} else {
dsp1rx2_src = 0x00000008; // DSP1RX2 SRC = ASPRX1
}
asp_en |= CS35L41_ASP_RX1_EN_MASK; // ASP_RX1_EN = 1
regmap_write(reg, CS35L41_SP_ENABLES, asp_en);
regmap_write(reg, CS35L41_DSP1_RX1_SRC, 0x00000008); // DSP1RX1 SRC = ASPRX1
regmap_write(reg, CS35L41_DSP1_RX2_SRC, dsp1rx2_src);
}
static void cs35l41_hda_play_start(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
struct regmap *reg = cs35l41->regmap;
dev_dbg(dev, "Play (Start)\n");
if (cs35l41->playback_started) {
dev_dbg(dev, "Playback already started.");
return;
}
cs35l41->playback_started = true;
cs35l41_update_mixer(cs35l41);
if (cs35l41->cs_dsp.running) {
regmap_update_bits(reg, CS35L41_PWR_CTRL2,
CS35L41_VMON_EN_MASK | CS35L41_IMON_EN_MASK,
1 << CS35L41_VMON_EN_SHIFT | 1 << CS35L41_IMON_EN_SHIFT);
cs35l41_set_cspl_mbox_cmd(cs35l41->dev, reg, CSPL_MBOX_CMD_RESUME);
}
regmap_update_bits(reg, CS35L41_PWR_CTRL2, CS35L41_AMP_EN_MASK, 1 << CS35L41_AMP_EN_SHIFT);
if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST)
regmap_write(reg, CS35L41_GPIO1_CTRL1, 0x00008001);
}
static void cs35l41_mute(struct device *dev, bool mute)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
struct regmap *reg = cs35l41->regmap;
unsigned int amp_gain;
dev_dbg(dev, "Mute(%d:%d) Playback Started: %d\n", mute, cs35l41->mute_override,
cs35l41->playback_started);
if (cs35l41->playback_started) {
if (mute || cs35l41->mute_override) {
dev_dbg(dev, "Muting\n");
regmap_multi_reg_write(reg, cs35l41_hda_mute, ARRAY_SIZE(cs35l41_hda_mute));
} else {
dev_dbg(dev, "Unmuting\n");
if (cs35l41->cs_dsp.running) {
dev_dbg(dev, "Using Tuned Gain: %d\n", cs35l41->tuning_gain);
amp_gain = (cs35l41->tuning_gain << CS35L41_AMP_GAIN_PCM_SHIFT) |
(DEFAULT_AMP_GAIN_PDM << CS35L41_AMP_GAIN_PDM_SHIFT);
/* AMP_HPF_PCM_EN = 1, AMP_VOL_PCM 0.0 dB */
regmap_write(reg, CS35L41_AMP_DIG_VOL_CTRL, 0x00008000);
regmap_write(reg, CS35L41_AMP_GAIN_CTRL, amp_gain);
} else {
regmap_multi_reg_write(reg, cs35l41_hda_unmute,
ARRAY_SIZE(cs35l41_hda_unmute));
}
}
}
}
static void cs35l41_hda_play_done(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
struct regmap *reg = cs35l41->regmap;
dev_dbg(dev, "Play (Complete)\n");
cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 1,
&cs35l41->cs_dsp);
cs35l41_mute(dev, false);
}
static void cs35l41_hda_pause_start(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
struct regmap *reg = cs35l41->regmap;
dev_dbg(dev, "Pause (Start)\n");
cs35l41_mute(dev, true);
cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 0,
&cs35l41->cs_dsp);
}
static void cs35l41_hda_pause_done(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
struct regmap *reg = cs35l41->regmap;
dev_dbg(dev, "Pause (Complete)\n");
regmap_update_bits(reg, CS35L41_PWR_CTRL2, CS35L41_AMP_EN_MASK, 0 << CS35L41_AMP_EN_SHIFT);
if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST)
regmap_write(reg, CS35L41_GPIO1_CTRL1, 0x00000001);
if (cs35l41->cs_dsp.running) {
cs35l41_set_cspl_mbox_cmd(dev, reg, CSPL_MBOX_CMD_PAUSE);
regmap_update_bits(reg, CS35L41_PWR_CTRL2,
CS35L41_VMON_EN_MASK | CS35L41_IMON_EN_MASK,
0 << CS35L41_VMON_EN_SHIFT | 0 << CS35L41_IMON_EN_SHIFT);
}
cs35l41_irq_release(cs35l41);
cs35l41->playback_started = false;
}
static void cs35l41_hda_pre_playback_hook(struct device *dev, int action)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
switch (action) {
case HDA_GEN_PCM_ACT_CLEANUP:
scoped_guard(mutex, &cs35l41->fw_mutex) {
cs35l41_hda_pause_start(dev);
}
break;
default:
break;
}
}
static void cs35l41_hda_playback_hook(struct device *dev, int action)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
switch (action) {
case HDA_GEN_PCM_ACT_OPEN:
/*
* All amps must be resumed before we can start playing back.
* This ensures, for external boost, that all amps are in AMP_SAFE mode.
* Do this in HDA_GEN_PCM_ACT_OPEN, since this is run prior to any of the
* other actions.
*/
pm_runtime_get_sync(dev);
break;
case HDA_GEN_PCM_ACT_PREPARE:
scoped_guard(mutex, &cs35l41->fw_mutex) {
cs35l41_hda_play_start(dev);
}
break;
case HDA_GEN_PCM_ACT_CLEANUP:
scoped_guard(mutex, &cs35l41->fw_mutex) {
cs35l41_hda_pause_done(dev);
}
break;
case HDA_GEN_PCM_ACT_CLOSE:
scoped_guard(mutex, &cs35l41->fw_mutex) {
if (!cs35l41->cs_dsp.running && cs35l41->request_fw_load &&
!cs35l41->fw_request_ongoing) {
dev_info(dev, "Requesting Firmware Load after HDA_GEN_PCM_ACT_CLOSE\n");
cs35l41->fw_request_ongoing = true;
schedule_work(&cs35l41->fw_load_work);
}
}
/*
* Playback must be finished for all amps before we start runtime suspend.
* This ensures no amps are playing back when we start putting them to sleep.
*/
pm_runtime_put_autosuspend(dev);
break;
default:
break;
}
}
static void cs35l41_hda_post_playback_hook(struct device *dev, int action)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
switch (action) {
case HDA_GEN_PCM_ACT_PREPARE:
scoped_guard(mutex, &cs35l41->fw_mutex) {
cs35l41_hda_play_done(dev);
}
break;
default:
break;
}
}
static int cs35l41_hda_channel_map(struct cs35l41_hda *cs35l41)
{
unsigned int tx_num = 0;
unsigned int *tx_slot = NULL;
unsigned int rx_num;
unsigned int *rx_slot;
unsigned int mono = 0;
if (!cs35l41->amp_name) {
if (cs35l41->hw_cfg.spk_pos >= ARRAY_SIZE(channel_name))
return -EINVAL;
cs35l41->amp_name = devm_kasprintf(cs35l41->dev, GFP_KERNEL, "%c%d",
channel_name[cs35l41->hw_cfg.spk_pos],
cs35l41->channel_index);
if (!cs35l41->amp_name)
return -ENOMEM;
}
rx_num = 1;
if (cs35l41->hw_cfg.spk_pos == CS35L41_CENTER)
rx_slot = &mono;
else
rx_slot = &cs35l41->hw_cfg.spk_pos;
return cs35l41_set_channels(cs35l41->dev, cs35l41->regmap, tx_num, tx_slot, rx_num,
rx_slot);
}
static int cs35l41_verify_id(struct cs35l41_hda *cs35l41, unsigned int *regid, unsigned int *reg_revid)
{
unsigned int mtl_revid, chipid;
int ret;
ret = regmap_read(cs35l41->regmap, CS35L41_DEVID, regid);
if (ret) {
dev_err_probe(cs35l41->dev, ret, "Get Device ID failed\n");
return ret;
}
ret = regmap_read(cs35l41->regmap, CS35L41_REVID, reg_revid);
if (ret) {
dev_err_probe(cs35l41->dev, ret, "Get Revision ID failed\n");
return ret;
}
mtl_revid = *reg_revid & CS35L41_MTLREVID_MASK;
chipid = (mtl_revid % 2) ? CS35L41R_CHIP_ID : CS35L41_CHIP_ID;
if (*regid != chipid) {
dev_err(cs35l41->dev, "CS35L41 Device ID (%X). Expected ID %X\n", *regid, chipid);
return -ENODEV;
}
return 0;
}
static int cs35l41_ready_for_reset(struct cs35l41_hda *cs35l41)
{
guard(mutex)(&cs35l41->fw_mutex);
if (cs35l41->cs_dsp.running) {
cs35l41->cs_dsp.running = false;
cs35l41->cs_dsp.booted = false;
}
regcache_mark_dirty(cs35l41->regmap);
return 0;
}
static int cs35l41_system_suspend_prep(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
dev_dbg(cs35l41->dev, "System Suspend Prepare\n");
if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) {
dev_err_once(cs35l41->dev, "System Suspend not supported\n");
return 0; /* don't block the whole system suspend */
}
guard(mutex)(&cs35l41->fw_mutex);
if (cs35l41->playback_started)
cs35l41_hda_pause_start(dev);
return 0;
}
static int cs35l41_system_suspend(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
int ret;
dev_dbg(cs35l41->dev, "System Suspend\n");
if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) {
dev_err_once(cs35l41->dev, "System Suspend not supported\n");
return 0; /* don't block the whole system suspend */
}
scoped_guard(mutex, &cs35l41->fw_mutex) {
if (cs35l41->playback_started)
cs35l41_hda_pause_done(dev);
}
ret = pm_runtime_force_suspend(dev);
if (ret) {
dev_err(dev, "System Suspend Failed, unable to runtime suspend: %d\n", ret);
return ret;
}
/* Shutdown DSP before system suspend */
ret = cs35l41_ready_for_reset(cs35l41);
if (ret)
dev_err(dev, "System Suspend Failed, not ready for Reset: %d\n", ret);
if (cs35l41->reset_gpio) {
dev_info(cs35l41->dev, "Asserting Reset\n");
gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
usleep_range(2000, 2100);
}
dev_dbg(cs35l41->dev, "System Suspended\n");
return ret;
}
static int cs35l41_wait_boot_done(struct cs35l41_hda *cs35l41)
{
unsigned int int_status;
int ret;
ret = regmap_read_poll_timeout(cs35l41->regmap, CS35L41_IRQ1_STATUS4, int_status,
int_status & CS35L41_OTP_BOOT_DONE, 1000, 100000);
if (ret) {
dev_err(cs35l41->dev, "Failed waiting for OTP_BOOT_DONE\n");
return ret;
}
ret = regmap_read(cs35l41->regmap, CS35L41_IRQ1_STATUS3, &int_status);
if (ret || (int_status & CS35L41_OTP_BOOT_ERR)) {
dev_err(cs35l41->dev, "OTP Boot status %x error\n",
int_status & CS35L41_OTP_BOOT_ERR);
if (!ret)
ret = -EIO;
return ret;
}
return 0;
}
static int cs35l41_system_resume(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
int ret;
dev_dbg(cs35l41->dev, "System Resume\n");
if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) {
dev_err_once(cs35l41->dev, "System Resume not supported\n");
return 0; /* don't block the whole system resume */
}
if (cs35l41->reset_gpio) {
gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
usleep_range(2000, 2100);
gpiod_set_value_cansleep(cs35l41->reset_gpio, 1);
}
usleep_range(2000, 2100);
regcache_cache_only(cs35l41->regmap, false);
regmap_write(cs35l41->regmap, CS35L41_SFT_RESET, CS35L41_SOFTWARE_RESET);
usleep_range(2000, 2100);
ret = cs35l41_wait_boot_done(cs35l41);
if (ret)
return ret;
regcache_cache_only(cs35l41->regmap, true);
ret = pm_runtime_force_resume(dev);
if (ret) {
dev_err(dev, "System Resume Failed: Unable to runtime resume: %d\n", ret);
return ret;
}
guard(mutex)(&cs35l41->fw_mutex);
if (cs35l41->request_fw_load && !cs35l41->fw_request_ongoing) {
cs35l41->fw_request_ongoing = true;
schedule_work(&cs35l41->fw_load_work);
}
return ret;
}
static int cs35l41_runtime_idle(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH)
return -EBUSY; /* suspend not supported yet on this model */
return 0;
}
static int cs35l41_runtime_suspend(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
int ret;
dev_dbg(cs35l41->dev, "Runtime Suspend\n");
if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) {
dev_dbg(cs35l41->dev, "Runtime Suspend not supported\n");
return 0;
}
guard(mutex)(&cs35l41->fw_mutex);
if (cs35l41->cs_dsp.running) {
ret = cs35l41_enter_hibernate(cs35l41->dev, cs35l41->regmap,
cs35l41->hw_cfg.bst_type);
if (ret)
return ret;
} else {
cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type);
}
regcache_cache_only(cs35l41->regmap, true);
regcache_mark_dirty(cs35l41->regmap);
return 0;
}
static int cs35l41_runtime_resume(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
unsigned int regid, reg_revid;
int ret;
dev_dbg(cs35l41->dev, "Runtime Resume\n");
if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) {
dev_dbg(cs35l41->dev, "Runtime Resume not supported\n");
return 0;
}
guard(mutex)(&cs35l41->fw_mutex);
regcache_cache_only(cs35l41->regmap, false);
if (cs35l41->cs_dsp.running) {
ret = cs35l41_exit_hibernate(cs35l41->dev, cs35l41->regmap);
if (ret) {
dev_warn(cs35l41->dev, "Unable to exit Hibernate.");
return ret;
}
}
ret = cs35l41_verify_id(cs35l41, &regid, &reg_revid);
if (ret)
return ret;
/* Test key needs to be unlocked to allow the OTP settings to re-apply */
cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap);
ret = regcache_sync(cs35l41->regmap);
cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap);
if (ret) {
dev_err(cs35l41->dev, "Failed to restore register cache: %d\n", ret);
return ret;
}
if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST)
cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, &cs35l41->hw_cfg);
dev_dbg(cs35l41->dev, "CS35L41 Resumed (%x), Revision: %02X\n", regid, reg_revid);
return 0;
}
static int cs35l41_hda_read_ctl(struct cs_dsp *dsp, const char *name, int type,
unsigned int alg, void *buf, size_t len)
{
guard(mutex)(&dsp->pwr_lock);
return cs_dsp_coeff_read_ctrl(cs_dsp_get_ctl(dsp, name, type, alg), 0, buf, len);
}
static int cs35l41_smart_amp(struct cs35l41_hda *cs35l41)
{
unsigned int fw_status;
__be32 halo_sts;
int ret;
if (cs35l41->bypass_fw) {
dev_warn(cs35l41->dev, "Bypassing Firmware.\n");
return 0;
}
ret = cs35l41_init_dsp(cs35l41);
if (ret) {
dev_warn(cs35l41->dev, "Cannot Initialize Firmware. Error: %d\n", ret);
goto clean_dsp;
}
ret = cs35l41_write_fs_errata(cs35l41->dev, cs35l41->regmap);
if (ret) {
dev_err(cs35l41->dev, "Cannot Write FS Errata: %d\n", ret);
goto clean_dsp;
}
ret = cs_dsp_run(&cs35l41->cs_dsp);
if (ret) {
dev_err(cs35l41->dev, "Fail to start dsp: %d\n", ret);
goto clean_dsp;
}
ret = read_poll_timeout(cs35l41_hda_read_ctl, ret,
be32_to_cpu(halo_sts) == HALO_STATE_CODE_RUN,
1000, 15000, false, &cs35l41->cs_dsp, HALO_STATE_DSP_CTL_NAME,
HALO_STATE_DSP_CTL_TYPE, HALO_STATE_DSP_CTL_ALG,
&halo_sts, sizeof(halo_sts));
if (ret) {
dev_err(cs35l41->dev, "Timeout waiting for HALO Core to start. State: %u\n",
halo_sts);
goto clean_dsp;
}
ret = regmap_read(cs35l41->regmap, CS35L41_DSP_MBOX_2, &fw_status);
if (ret < 0) {
dev_err(cs35l41->dev,
"Failed to read firmware status: %d\n", ret);
goto clean_dsp;
}
switch (fw_status) {
case CSPL_MBOX_STS_RUNNING:
case CSPL_MBOX_STS_PAUSED:
break;
default:
dev_err(cs35l41->dev, "Firmware status is invalid: %u\n",
fw_status);
ret = -EINVAL;
goto clean_dsp;
}
ret = cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap, CSPL_MBOX_CMD_PAUSE);
if (ret) {
dev_err(cs35l41->dev, "Error waiting for DSP to pause: %u\n", ret);
goto clean_dsp;
}
dev_info(cs35l41->dev, "Firmware Loaded - Type: %s, Gain: %d\n",
cs35l41_hda_fw_ids[cs35l41->firmware_type], cs35l41->tuning_gain);
return 0;
clean_dsp:
cs35l41_shutdown_dsp(cs35l41);
return ret;
}
static void cs35l41_load_firmware(struct cs35l41_hda *cs35l41, bool load)
{
if (cs35l41->cs_dsp.running && !load) {
dev_dbg(cs35l41->dev, "Unloading Firmware\n");
cs35l41_shutdown_dsp(cs35l41);
} else if (!cs35l41->cs_dsp.running && load) {
dev_dbg(cs35l41->dev, "Loading Firmware\n");
cs35l41_smart_amp(cs35l41);
} else {
dev_dbg(cs35l41->dev, "Unable to Load firmware.\n");
}
}
static int cs35l41_fw_load_ctl_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct cs35l41_hda *cs35l41 = snd_kcontrol_chip(kcontrol);
ucontrol->value.integer.value[0] = cs35l41->request_fw_load;
return 0;
}
static int cs35l41_mute_override_ctl_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct cs35l41_hda *cs35l41 = snd_kcontrol_chip(kcontrol);
ucontrol->value.integer.value[0] = cs35l41->mute_override;
return 0;
}
static void cs35l41_fw_load_work(struct work_struct *work)
{
struct cs35l41_hda *cs35l41 = container_of(work, struct cs35l41_hda, fw_load_work);
guard(pm_runtime_active_auto)(cs35l41->dev);
guard(mutex)(&cs35l41->fw_mutex);
/* Recheck if playback is ongoing, mutex will block playback during firmware loading */
if (cs35l41->playback_started)
dev_err(cs35l41->dev, "Cannot Load/Unload firmware during Playback. Retrying...\n");
else
cs35l41_load_firmware(cs35l41, cs35l41->request_fw_load);
cs35l41->fw_request_ongoing = false;
}
static int cs35l41_fw_load_ctl_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct cs35l41_hda *cs35l41 = snd_kcontrol_chip(kcontrol);
if (cs35l41->request_fw_load == ucontrol->value.integer.value[0])
return 0;
if (cs35l41->fw_request_ongoing) {
dev_dbg(cs35l41->dev, "Existing request not complete\n");
return -EBUSY;
}
/* Check if playback is ongoing when initial request is made */
if (cs35l41->playback_started) {
dev_err(cs35l41->dev, "Cannot Load/Unload firmware during Playback\n");
return -EBUSY;
}
cs35l41->fw_request_ongoing = true;
cs35l41->request_fw_load = ucontrol->value.integer.value[0];
schedule_work(&cs35l41->fw_load_work);
return 1;
}
static int cs35l41_fw_type_ctl_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct cs35l41_hda *cs35l41 = snd_kcontrol_chip(kcontrol);
ucontrol->value.enumerated.item[0] = cs35l41->firmware_type;
return 0;
}
static int cs35l41_fw_type_ctl_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct cs35l41_hda *cs35l41 = snd_kcontrol_chip(kcontrol);
if (ucontrol->value.enumerated.item[0] < CS35L41_HDA_NUM_FW) {
if (cs35l41->firmware_type != ucontrol->value.enumerated.item[0]) {
cs35l41->firmware_type = ucontrol->value.enumerated.item[0];
return 1;
} else {
return 0;
}
}
return -EINVAL;
}
static int cs35l41_fw_type_ctl_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(cs35l41_hda_fw_ids), cs35l41_hda_fw_ids);
}
static void cs35l41_remove_controls(struct cs35l41_hda *cs35l41)
{
if (!cs35l41->codec)
return;
snd_ctl_remove(cs35l41->codec->card, cs35l41->mute_override_ctl);
cs35l41->mute_override_ctl = NULL;
snd_ctl_remove(cs35l41->codec->card, cs35l41->fw_load_ctl);
cs35l41->fw_load_ctl = NULL;
snd_ctl_remove(cs35l41->codec->card, cs35l41->fw_type_ctl);
cs35l41->fw_type_ctl = NULL;
}
static int cs35l41_add_control(struct cs35l41_hda *cs35l41,
struct snd_kcontrol_new *ctl,
struct snd_kcontrol **kctl)
{
int ret;
*kctl = snd_ctl_new1(ctl, cs35l41);
if (!*kctl)
return -ENOMEM;
ret = snd_ctl_add(cs35l41->codec->card, *kctl);
if (ret) {
dev_err(cs35l41->dev, "Failed to add KControl %s = %d\n", ctl->name, ret);
*kctl = NULL;
return ret;
}
dev_dbg(cs35l41->dev, "Added Control %s\n", ctl->name);
return 0;
}
static int cs35l41_create_controls(struct cs35l41_hda *cs35l41)
{
char fw_type_ctl_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
char fw_load_ctl_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
char mute_override_ctl_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
struct snd_kcontrol_new fw_type_ctl = {
.name = fw_type_ctl_name,
.iface = SNDRV_CTL_ELEM_IFACE_CARD,
.info = cs35l41_fw_type_ctl_info,
.get = cs35l41_fw_type_ctl_get,
.put = cs35l41_fw_type_ctl_put,
};
struct snd_kcontrol_new fw_load_ctl = {
.name = fw_load_ctl_name,
.iface = SNDRV_CTL_ELEM_IFACE_CARD,
.info = snd_ctl_boolean_mono_info,
.get = cs35l41_fw_load_ctl_get,
.put = cs35l41_fw_load_ctl_put,
};
struct snd_kcontrol_new mute_override_ctl = {
.name = mute_override_ctl_name,
.iface = SNDRV_CTL_ELEM_IFACE_CARD,
.info = snd_ctl_boolean_mono_info,
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.get = cs35l41_mute_override_ctl_get,
};
int ret;
scnprintf(fw_type_ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s DSP1 Firmware Type",
cs35l41->amp_name);
scnprintf(fw_load_ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s DSP1 Firmware Load",
cs35l41->amp_name);
scnprintf(mute_override_ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s Forced Mute Status",
cs35l41->amp_name);
ret = cs35l41_add_control(cs35l41, &fw_type_ctl, &cs35l41->fw_type_ctl);
if (ret)
goto err;
ret = cs35l41_add_control(cs35l41, &fw_load_ctl, &cs35l41->fw_load_ctl);
if (ret)
goto err;
ret = cs35l41_add_control(cs35l41, &mute_override_ctl, &cs35l41->mute_override_ctl);
if (ret)
goto err;
return 0;
err:
cs35l41_remove_controls(cs35l41);
return ret;
}
static bool cs35l41_dsm_supported(acpi_handle handle, unsigned int commands)
{
guid_t guid;
guid_parse(CS35L41_UUID, &guid);
return acpi_check_dsm(handle, &guid, 0, BIT(commands));
}
static int cs35l41_get_acpi_mute_state(struct cs35l41_hda *cs35l41, acpi_handle handle)
{
guid_t guid;
union acpi_object *ret;
int mute = -ENODEV;
guid_parse(CS35L41_UUID, &guid);
if (cs35l41_dsm_supported(handle, CS35L41_DSM_GET_MUTE)) {
ret = acpi_evaluate_dsm_typed(handle, &guid, 0,
CS35L41_DSM_GET_MUTE, NULL,
ACPI_TYPE_BUFFER);
if (!ret)
return -EINVAL;
if (!ret->buffer.length || !ret->buffer.pointer) {
ACPI_FREE(ret);
return -EINVAL;
}
mute = *ret->buffer.pointer;
ACPI_FREE(ret);
dev_dbg(cs35l41->dev, "CS35L41_DSM_GET_MUTE: %d\n", mute);
}
dev_dbg(cs35l41->dev, "%s: %d\n", __func__, mute);
return mute;
}
static void cs35l41_acpi_device_notify(acpi_handle handle, u32 event, struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
int mute;
if (event != CS35L41_NOTIFY_EVENT)
return;
mute = cs35l41_get_acpi_mute_state(cs35l41, handle);
if (mute < 0) {
dev_warn(cs35l41->dev, "Unable to retrieve mute state: %d\n", mute);
return;
}
dev_dbg(cs35l41->dev, "Requesting mute value: %d\n", mute);
cs35l41->mute_override = (mute > 0);
cs35l41_mute(cs35l41->dev, cs35l41->mute_override);
}
static int cs35l41_hda_bind(struct device *dev, struct device *master, void *master_data)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
struct hda_component_parent *parent = master_data;
struct hda_component *comp;
unsigned int sleep_flags;
int ret = 0;
comp = hda_component_from_index(parent, cs35l41->index);
if (!comp)
return -EINVAL;
if (comp->dev)
return -EBUSY;
guard(pm_runtime_active_auto)(dev);
mutex_lock(&cs35l41->fw_mutex);
comp->dev = dev;
cs35l41->codec = parent->codec;
if (!cs35l41->acpi_subsystem_id)
cs35l41->acpi_subsystem_id = kasprintf(GFP_KERNEL, "%.8x",
cs35l41->codec->core.subsystem_id);
strscpy(comp->name, dev_name(dev), sizeof(comp->name));
cs35l41->firmware_type = CS35L41_HDA_FW_SPK_PROT;
if (firmware_autostart) {
dev_dbg(cs35l41->dev, "Firmware Autostart.\n");
cs35l41->request_fw_load = true;
if (cs35l41_smart_amp(cs35l41) < 0)
dev_warn(cs35l41->dev, "Cannot Run Firmware, reverting to dsp bypass...\n");
} else {
dev_dbg(cs35l41->dev, "Firmware Autostart is disabled.\n");
}
ret = cs35l41_create_controls(cs35l41);
comp->playback_hook = cs35l41_hda_playback_hook;
comp->pre_playback_hook = cs35l41_hda_pre_playback_hook;
comp->post_playback_hook = cs35l41_hda_post_playback_hook;
comp->acpi_notify = cs35l41_acpi_device_notify;
comp->adev = cs35l41->dacpi;
comp->acpi_notifications_supported = cs35l41_dsm_supported(acpi_device_handle(comp->adev),
CS35L41_DSM_GET_MUTE);
cs35l41->mute_override = cs35l41_get_acpi_mute_state(cs35l41,
acpi_device_handle(cs35l41->dacpi)) > 0;
mutex_unlock(&cs35l41->fw_mutex);
sleep_flags = lock_system_sleep();
if (!device_link_add(&cs35l41->codec->core.dev, cs35l41->dev, DL_FLAG_STATELESS))
dev_warn(dev, "Unable to create device link\n");
unlock_system_sleep(sleep_flags);
dev_info(cs35l41->dev,
"CS35L41 Bound - SSID: %s, BST: %d, VSPK: %d, CH: %c, FW EN: %d, SPKID: %d\n",
cs35l41->acpi_subsystem_id, cs35l41->hw_cfg.bst_type,
cs35l41->hw_cfg.gpio1.func == CS35l41_VSPK_SWITCH,
channel_name[cs35l41->hw_cfg.spk_pos],
cs35l41->cs_dsp.running, cs35l41->speaker_id);
return ret;
}
static void cs35l41_hda_unbind(struct device *dev, struct device *master, void *master_data)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
struct hda_component_parent *parent = master_data;
struct hda_component *comp;
unsigned int sleep_flags;
comp = hda_component_from_index(parent, cs35l41->index);
if (!comp)
return;
if (comp->dev == dev) {
sleep_flags = lock_system_sleep();
device_link_remove(&cs35l41->codec->core.dev, cs35l41->dev);
unlock_system_sleep(sleep_flags);
memset(comp, 0, sizeof(*comp));
cs35l41_remove_controls(cs35l41);
cancel_work_sync(&cs35l41->fw_load_work);
cs35l41->codec = NULL;
}
}
static const struct component_ops cs35l41_hda_comp_ops = {
.bind = cs35l41_hda_bind,
.unbind = cs35l41_hda_unbind,
};
static irqreturn_t cs35l41_bst_short_err(int irq, void *data)
{
struct cs35l41_hda *cs35l41 = data;
dev_crit_ratelimited(cs35l41->dev, "LBST Error\n");
set_bit(CS35L41_BST_SHORT_ERR_RLS_SHIFT, &cs35l41->irq_errors);
return IRQ_HANDLED;
}
static irqreturn_t cs35l41_bst_dcm_uvp_err(int irq, void *data)
{
struct cs35l41_hda *cs35l41 = data;
dev_crit_ratelimited(cs35l41->dev, "DCM VBST Under Voltage Error\n");
set_bit(CS35L41_BST_UVP_ERR_RLS_SHIFT, &cs35l41->irq_errors);
return IRQ_HANDLED;
}
static irqreturn_t cs35l41_bst_ovp_err(int irq, void *data)
{
struct cs35l41_hda *cs35l41 = data;
dev_crit_ratelimited(cs35l41->dev, "VBST Over Voltage error\n");
set_bit(CS35L41_BST_OVP_ERR_RLS_SHIFT, &cs35l41->irq_errors);
return IRQ_HANDLED;
}
static irqreturn_t cs35l41_temp_err(int irq, void *data)
{
struct cs35l41_hda *cs35l41 = data;
dev_crit_ratelimited(cs35l41->dev, "Over temperature error\n");
set_bit(CS35L41_TEMP_ERR_RLS_SHIFT, &cs35l41->irq_errors);
return IRQ_HANDLED;
}
static irqreturn_t cs35l41_temp_warn(int irq, void *data)
{
struct cs35l41_hda *cs35l41 = data;
dev_crit_ratelimited(cs35l41->dev, "Over temperature warning\n");
set_bit(CS35L41_TEMP_WARN_ERR_RLS_SHIFT, &cs35l41->irq_errors);
return IRQ_HANDLED;
}
static irqreturn_t cs35l41_amp_short(int irq, void *data)
{
struct cs35l41_hda *cs35l41 = data;
dev_crit_ratelimited(cs35l41->dev, "Amp short error\n");
set_bit(CS35L41_AMP_SHORT_ERR_RLS_SHIFT, &cs35l41->irq_errors);
return IRQ_HANDLED;
}
static const struct cs35l41_irq cs35l41_irqs[] = {
CS35L41_IRQ(BST_OVP_ERR, "Boost Overvoltage Error", cs35l41_bst_ovp_err),
CS35L41_IRQ(BST_DCM_UVP_ERR, "Boost Undervoltage Error", cs35l41_bst_dcm_uvp_err),
CS35L41_IRQ(BST_SHORT_ERR, "Boost Inductor Short Error", cs35l41_bst_short_err),
CS35L41_IRQ(TEMP_WARN, "Temperature Warning", cs35l41_temp_warn),
CS35L41_IRQ(TEMP_ERR, "Temperature Error", cs35l41_temp_err),
CS35L41_IRQ(AMP_SHORT_ERR, "Amp Short", cs35l41_amp_short),
};
static const struct regmap_irq cs35l41_reg_irqs[] = {
CS35L41_REG_IRQ(IRQ1_STATUS1, BST_OVP_ERR),
CS35L41_REG_IRQ(IRQ1_STATUS1, BST_DCM_UVP_ERR),
CS35L41_REG_IRQ(IRQ1_STATUS1, BST_SHORT_ERR),
CS35L41_REG_IRQ(IRQ1_STATUS1, TEMP_WARN),
CS35L41_REG_IRQ(IRQ1_STATUS1, TEMP_ERR),
CS35L41_REG_IRQ(IRQ1_STATUS1, AMP_SHORT_ERR),
};
static const struct regmap_irq_chip cs35l41_regmap_irq_chip = {
.name = "cs35l41 IRQ1 Controller",
.status_base = CS35L41_IRQ1_STATUS1,
.mask_base = CS35L41_IRQ1_MASK1,
.ack_base = CS35L41_IRQ1_STATUS1,
.num_regs = 4,
.irqs = cs35l41_reg_irqs,
.num_irqs = ARRAY_SIZE(cs35l41_reg_irqs),
.runtime_pm = true,
};
static void cs35l41_configure_interrupt(struct cs35l41_hda *cs35l41, int irq_pol)
{
int irq;
int ret;
int i;
if (!cs35l41->irq) {
dev_warn(cs35l41->dev, "No Interrupt Found");
goto err;
}
ret = devm_regmap_add_irq_chip(cs35l41->dev, cs35l41->regmap, cs35l41->irq,
IRQF_ONESHOT | IRQF_SHARED | irq_pol,
0, &cs35l41_regmap_irq_chip, &cs35l41->irq_data);
if (ret) {
dev_dbg(cs35l41->dev, "Unable to add IRQ Chip: %d.", ret);
goto err;
}
for (i = 0; i < ARRAY_SIZE(cs35l41_irqs); i++) {
irq = regmap_irq_get_virq(cs35l41->irq_data, cs35l41_irqs[i].irq);
if (irq < 0) {
ret = irq;
dev_dbg(cs35l41->dev, "Unable to map IRQ %s: %d.", cs35l41_irqs[i].name,
ret);
goto err;
}
ret = devm_request_threaded_irq(cs35l41->dev, irq, NULL,
cs35l41_irqs[i].handler,
IRQF_ONESHOT | IRQF_SHARED | irq_pol,
cs35l41_irqs[i].name, cs35l41);
if (ret) {
dev_dbg(cs35l41->dev, "Unable to allocate IRQ %s:: %d.",
cs35l41_irqs[i].name, ret);
goto err;
}
}
return;
err:
dev_warn(cs35l41->dev,
"IRQ Config Failed. Amp errors may not be recoverable without reboot.");
}
static int cs35l41_hda_apply_properties(struct cs35l41_hda *cs35l41)
{
struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
bool using_irq = false;
int irq_pol;
int ret;
if (!cs35l41->hw_cfg.valid)
return -EINVAL;
ret = cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, hw_cfg);
if (ret)
return ret;
if (hw_cfg->gpio1.valid) {
switch (hw_cfg->gpio1.func) {
case CS35L41_NOT_USED:
break;
case CS35l41_VSPK_SWITCH:
hw_cfg->gpio1.func = CS35L41_GPIO1_GPIO;
hw_cfg->gpio1.out_en = true;
break;
case CS35l41_SYNC:
hw_cfg->gpio1.func = CS35L41_GPIO1_MDSYNC;
break;
default:
dev_err(cs35l41->dev, "Invalid function %d for GPIO1\n",
hw_cfg->gpio1.func);
return -EINVAL;
}
}
if (hw_cfg->gpio2.valid) {
switch (hw_cfg->gpio2.func) {
case CS35L41_NOT_USED:
break;
case CS35L41_INTERRUPT:
using_irq = true;
hw_cfg->gpio2.func = CS35L41_GPIO2_INT_OPEN_DRAIN;
break;
default:
dev_err(cs35l41->dev, "Invalid GPIO2 function %d\n", hw_cfg->gpio2.func);
return -EINVAL;
}
}
irq_pol = cs35l41_gpio_config(cs35l41->regmap, hw_cfg);
if (using_irq)
cs35l41_configure_interrupt(cs35l41, irq_pol);
return cs35l41_hda_channel_map(cs35l41);
}
int cs35l41_get_speaker_id(struct device *dev, int amp_index, int num_amps, int fixed_gpio_id)
{
struct gpio_desc *speaker_id_desc;
int speaker_id = -ENODEV;
if (fixed_gpio_id >= 0) {
dev_dbg(dev, "Found Fixed Speaker ID GPIO (index = %d)\n", fixed_gpio_id);
speaker_id_desc = gpiod_get_index(dev, NULL, fixed_gpio_id, GPIOD_IN);
if (IS_ERR(speaker_id_desc)) {
speaker_id = PTR_ERR(speaker_id_desc);
return speaker_id;
}
speaker_id = gpiod_get_value_cansleep(speaker_id_desc);
gpiod_put(speaker_id_desc);
dev_dbg(dev, "Speaker ID = %d\n", speaker_id);
} else {
int base_index;
int gpios_per_amp;
int count;
int tmp;
int i;
count = gpiod_count(dev, "spk-id");
if (count > 0) {
speaker_id = 0;
gpios_per_amp = count / num_amps;
base_index = gpios_per_amp * amp_index;
if (count % num_amps)
return -EINVAL;
dev_dbg(dev, "Found %d Speaker ID GPIOs per Amp\n", gpios_per_amp);
for (i = 0; i < gpios_per_amp; i++) {
speaker_id_desc = gpiod_get_index(dev, "spk-id", i + base_index,
GPIOD_IN);
if (IS_ERR(speaker_id_desc)) {
speaker_id = PTR_ERR(speaker_id_desc);
break;
}
tmp = gpiod_get_value_cansleep(speaker_id_desc);
gpiod_put(speaker_id_desc);
if (tmp < 0) {
speaker_id = tmp;
break;
}
speaker_id |= tmp << i;
}
dev_dbg(dev, "Speaker ID = %d\n", speaker_id);
}
}
return speaker_id;
}
int cs35l41_hda_parse_acpi(struct cs35l41_hda *cs35l41, struct device *physdev, int id)
{
struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
u32 values[HDA_MAX_COMPONENTS];
char *property;
size_t nval;
int i, ret;
property = "cirrus,dev-index";
ret = device_property_count_u32(physdev, property);
if (ret <= 0)
goto err;
if (ret > ARRAY_SIZE(values)) {
ret = -EINVAL;
goto err;
}
nval = ret;
ret = device_property_read_u32_array(physdev, property, values, nval);
if (ret)
goto err;
cs35l41->index = -1;
for (i = 0; i < nval; i++) {
if (values[i] == id) {
cs35l41->index = i;
break;
}
}
if (cs35l41->index == -1) {
dev_err(cs35l41->dev, "No index found in %s\n", property);
ret = -ENODEV;
goto err;
}
/* To use the same release code for all laptop variants we can't use devm_ version of
* gpiod_get here, as CLSA010* don't have a fully functional bios with an _DSD node
*/
cs35l41->reset_gpio = fwnode_gpiod_get_index(acpi_fwnode_handle(cs35l41->dacpi), "reset",
cs35l41->index, GPIOD_OUT_LOW,
"cs35l41-reset");
property = "cirrus,speaker-position";
ret = device_property_read_u32_array(physdev, property, values, nval);
if (ret)
goto err;
hw_cfg->spk_pos = values[cs35l41->index];
cs35l41->channel_index = 0;
for (i = 0; i < cs35l41->index; i++)
if (values[i] == hw_cfg->spk_pos)
cs35l41->channel_index++;
property = "cirrus,gpio1-func";
ret = device_property_read_u32_array(physdev, property, values, nval);
if (ret)
goto err;
hw_cfg->gpio1.func = values[cs35l41->index];
hw_cfg->gpio1.valid = true;
property = "cirrus,gpio2-func";
ret = device_property_read_u32_array(physdev, property, values, nval);
if (ret)
goto err;
hw_cfg->gpio2.func = values[cs35l41->index];
hw_cfg->gpio2.valid = true;
property = "cirrus,boost-peak-milliamp";
ret = device_property_read_u32_array(physdev, property, values, nval);
if (ret == 0)
hw_cfg->bst_ipk = values[cs35l41->index];
else
hw_cfg->bst_ipk = -1;
property = "cirrus,boost-ind-nanohenry";
ret = device_property_read_u32_array(physdev, property, values, nval);
if (ret == 0)
hw_cfg->bst_ind = values[cs35l41->index];
else
hw_cfg->bst_ind = -1;
property = "cirrus,boost-cap-microfarad";
ret = device_property_read_u32_array(physdev, property, values, nval);
if (ret == 0)
hw_cfg->bst_cap = values[cs35l41->index];
else
hw_cfg->bst_cap = -1;
cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, cs35l41->index, nval, -1);
if (hw_cfg->bst_ind > 0 || hw_cfg->bst_cap > 0 || hw_cfg->bst_ipk > 0)
hw_cfg->bst_type = CS35L41_INT_BOOST;
else
hw_cfg->bst_type = CS35L41_EXT_BOOST;
hw_cfg->valid = true;
return 0;
err:
dev_err(cs35l41->dev, "Failed property %s: %d\n", property, ret);
hw_cfg->valid = false;
hw_cfg->gpio1.valid = false;
hw_cfg->gpio2.valid = false;
acpi_dev_put(cs35l41->dacpi);
return ret;
}
static int cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, const char *hid, int id)
{
struct acpi_device *adev;
struct spi_device *spi;
const char *sub;
int ret;
adev = acpi_dev_get_first_match_dev(hid, NULL, -1);
if (!adev) {
dev_err(cs35l41->dev, "Failed to find an ACPI device for %s\n", hid);
return -ENODEV;
}
cs35l41->dacpi = adev;
struct device *physdev __free(put_device) =
get_device(acpi_get_first_physical_node(adev));
if (!physdev) {
acpi_dev_put(adev);
return -ENODEV;
}
sub = acpi_get_subsystem_id(ACPI_HANDLE(physdev));
if (IS_ERR(sub))
sub = NULL;
cs35l41->acpi_subsystem_id = sub;
ret = cs35l41_add_dsd_properties(cs35l41, physdev, id, hid);
if (!ret) {
dev_info(cs35l41->dev, "Using extra _DSD properties, bypassing _DSD in ACPI\n");
goto out;
}
ret = cs35l41_hda_parse_acpi(cs35l41, physdev, id);
if (ret)
return ret;
out:
cs35l41->bypass_fw = false;
if (cs35l41->control_bus == SPI) {
spi = to_spi_device(cs35l41->dev);
if (spi->max_speed_hz < CS35L41_MAX_ACCEPTABLE_SPI_SPEED_HZ) {
dev_warn(cs35l41->dev,
"SPI speed is too slow to support firmware download: %d Hz.\n",
spi->max_speed_hz);
cs35l41->bypass_fw = true;
}
}
return 0;
}
int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq,
struct regmap *regmap, enum control_bus control_bus)
{
unsigned int regid, reg_revid;
struct cs35l41_hda *cs35l41;
int ret;
BUILD_BUG_ON(ARRAY_SIZE(cs35l41_irqs) != ARRAY_SIZE(cs35l41_reg_irqs));
BUILD_BUG_ON(ARRAY_SIZE(cs35l41_irqs) != CS35L41_NUM_IRQ);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
cs35l41 = devm_kzalloc(dev, sizeof(*cs35l41), GFP_KERNEL);
if (!cs35l41)
return -ENOMEM;
cs35l41->dev = dev;
cs35l41->irq = irq;
cs35l41->regmap = regmap;
cs35l41->control_bus = control_bus;
dev_set_drvdata(dev, cs35l41);
ret = cs35l41_hda_read_acpi(cs35l41, device_name, id);
if (ret)
return dev_err_probe(cs35l41->dev, ret, "Platform not supported\n");
if (IS_ERR(cs35l41->reset_gpio)) {
ret = PTR_ERR(cs35l41->reset_gpio);
cs35l41->reset_gpio = NULL;
if (ret == -EBUSY) {
dev_info(cs35l41->dev, "Reset line busy, assuming shared reset\n");
} else {
dev_err_probe(cs35l41->dev, ret, "Failed to get reset GPIO\n");
goto err;
}
}
if (cs35l41->reset_gpio) {
gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
usleep_range(2000, 2100);
gpiod_set_value_cansleep(cs35l41->reset_gpio, 1);
}
usleep_range(2000, 2100);
regmap_write(cs35l41->regmap, CS35L41_SFT_RESET, CS35L41_SOFTWARE_RESET);
usleep_range(2000, 2100);
ret = cs35l41_wait_boot_done(cs35l41);
if (ret)
goto err;
ret = cs35l41_verify_id(cs35l41, &regid, &reg_revid);
if (ret)
goto err;
ret = cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap);
if (ret)
goto err;
ret = cs35l41_register_errata_patch(cs35l41->dev, cs35l41->regmap, reg_revid);
if (ret)
goto err;
ret = cs35l41_otp_unpack(cs35l41->dev, cs35l41->regmap);
if (ret) {
dev_err_probe(cs35l41->dev, ret, "OTP Unpack failed\n");
goto err;
}
ret = cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap);
if (ret)
goto err;
ret = cs35l41_get_calibration(cs35l41);
if (ret && ret != -ENOENT)
goto err;
cs35l41_mute(cs35l41->dev, true);
INIT_WORK(&cs35l41->fw_load_work, cs35l41_fw_load_work);
mutex_init(&cs35l41->fw_mutex);
pm_runtime_set_autosuspend_delay(cs35l41->dev, 3000);
pm_runtime_use_autosuspend(cs35l41->dev);
pm_runtime_set_active(cs35l41->dev);
pm_runtime_get_noresume(cs35l41->dev);
pm_runtime_enable(cs35l41->dev);
ret = cs35l41_hda_apply_properties(cs35l41);
if (ret)
goto err_pm;
pm_runtime_put_autosuspend(cs35l41->dev);
ret = component_add(cs35l41->dev, &cs35l41_hda_comp_ops);
if (ret) {
dev_err_probe(cs35l41->dev, ret, "Register component failed\n");
goto err_pm;
}
dev_info(cs35l41->dev, "Cirrus Logic CS35L41 (%x), Revision: %02X\n", regid, reg_revid);
return 0;
err_pm:
pm_runtime_dont_use_autosuspend(cs35l41->dev);
pm_runtime_disable(cs35l41->dev);
pm_runtime_put_noidle(cs35l41->dev);
err:
if (cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type))
gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
gpiod_put(cs35l41->reset_gpio);
gpiod_put(cs35l41->cs_gpio);
acpi_dev_put(cs35l41->dacpi);
kfree(cs35l41->acpi_subsystem_id);
return ret;
}
EXPORT_SYMBOL_NS_GPL(cs35l41_hda_probe, "SND_HDA_SCODEC_CS35L41");
void cs35l41_hda_remove(struct device *dev)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
component_del(cs35l41->dev, &cs35l41_hda_comp_ops);
cancel_work_sync(&cs35l41->fw_load_work);
pm_runtime_get_sync(cs35l41->dev);
pm_runtime_dont_use_autosuspend(cs35l41->dev);
pm_runtime_disable(cs35l41->dev);
if (cs35l41->halo_initialized)
cs35l41_remove_dsp(cs35l41);
acpi_dev_put(cs35l41->dacpi);
pm_runtime_put_noidle(cs35l41->dev);
if (cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type))
gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
gpiod_put(cs35l41->reset_gpio);
gpiod_put(cs35l41->cs_gpio);
kfree(cs35l41->acpi_subsystem_id);
}
EXPORT_SYMBOL_NS_GPL(cs35l41_hda_remove, "SND_HDA_SCODEC_CS35L41");
const struct dev_pm_ops cs35l41_hda_pm_ops = {
RUNTIME_PM_OPS(cs35l41_runtime_suspend, cs35l41_runtime_resume,
cs35l41_runtime_idle)
.prepare = cs35l41_system_suspend_prep,
SYSTEM_SLEEP_PM_OPS(cs35l41_system_suspend, cs35l41_system_resume)
};
EXPORT_SYMBOL_NS_GPL(cs35l41_hda_pm_ops, "SND_HDA_SCODEC_CS35L41");
MODULE_DESCRIPTION("CS35L41 HDA Driver");
MODULE_IMPORT_NS("SND_SOC_CS_AMP_LIB");
MODULE_AUTHOR("Lucas Tanure, Cirrus Logic Inc, <tanureal@opensource.cirrus.com>");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("FW_CS_DSP");
MODULE_FIRMWARE("cirrus/cs35l41-*.wmfw");
MODULE_FIRMWARE("cirrus/cs35l41-*.bin");