// SPDX-License-Identifier: GPL-2.0
//
// CS35L41 ALSA HDA Property driver
//
// Copyright 2023 Cirrus Logic, Inc.
//
// Author: Stefan Binding <sbinding@opensource.cirrus.com>

#include <linux/acpi.h>
#include <linux/gpio/consumer.h>
#include <linux/string.h>
#include "cs35l41_hda_property.h"
#include <linux/spi/spi.h>

#define MAX_AMPS 4

struct cs35l41_config {
        const char *ssid;
        int num_amps;
        enum {
                INTERNAL,
                EXTERNAL
        } boost_type;
        u8 channel[MAX_AMPS];
        int reset_gpio_index; /* -1 if no reset gpio */
        int spkid_gpio_index; /* -1 if no spkid gpio */
        int cs_gpio_index; /* -1 if no cs gpio, or cs-gpios already exists, max num amps == 2 */
        int boost_ind_nanohenry; /* Required if boost_type == Internal */
        int boost_peak_milliamp; /* Required if boost_type == Internal */
        int boost_cap_microfarad; /* Required if boost_type == Internal */
};

static const struct cs35l41_config cs35l41_config_table[] = {
        { "10251826", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
        { "1025182C", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
        { "10251844", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
        { "10280B27", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10280B28", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10280BEB", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 0, 0, 0 },
        { "10280C4D", 4, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, CS35L41_LEFT, CS35L41_RIGHT }, 0, 1, -1, 1000, 4500, 24 },
/*
 * Device 103C89C6 does have _DSD, however it is setup to use the wrong boost type.
 * We can override the _DSD to correct the boost type here.
 * Since this laptop has valid ACPI, we do not need to handle cs-gpios, since that already exists
 * in the ACPI. The Reset GPIO is also valid, so we can use the Reset defined in _DSD.
 */
        { "103C89C6", 2, INTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, 0, 0 }, -1, -1, -1, 1000, 4500, 24 },
        { "103C8A28", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8A29", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8A2A", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8A2B", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8A2C", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8A2D", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8A2E", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8A30", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8A31", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8A6E", 4, EXTERNAL, { CS35L41_LEFT, CS35L41_LEFT, CS35L41_RIGHT, CS35L41_RIGHT }, 0, -1, -1, 0, 0, 0 },
        { "103C8BB3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BB4", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BDD", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BDE", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BDF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BE0", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BE1", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BE2", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BE3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BE5", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BE6", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BE7", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BE8", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8BE9", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8B3A", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8C15", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
        { "103C8C16", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
        { "103C8C17", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
        { "103C8C4D", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8C4E", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8C4F", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8C50", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8C51", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8CDD", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
        { "103C8CDE", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 3900, 24 },
        { "104312AF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10431433", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
        { "10431463", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
        { "10431473", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 1000, 4500, 24 },
        { "10431483", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 1000, 4500, 24 },
        { "10431493", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "104314D3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "104314E3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
        { "10431503", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
        { "10431533", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
        { "10431573", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10431663", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 1000, 4500, 24 },
        { "10431683", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
        { "104316A3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
        { "104316D3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
        { "104316F3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
        { "104317F3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
        { "10431863", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "104318D3", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
        { "10431A83", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
        { "10431B93", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10431C9F", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10431CAF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10431CCF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10431CDF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10431CEF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10431D1F", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
        { "10431DA2", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
        { "10431E02", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
        { "10431E12", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
        { "10431EE2", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
        { "10431F12", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
        { "10431F1F", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 0, 0, 0 },
        { "10431F62", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
        { "10433A20", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10433A30", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10433A40", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10433A50", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "10433A60", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
        { "17AA3865", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
        { "17AA3866", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
        { "17AA386E", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
        { "17AA386F", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
        { "17AA3877", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
        { "17AA3878", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
        { "17AA38A9", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
        { "17AA38AB", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
        { "17AA38B4", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
        { "17AA38B5", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
        { "17AA38B6", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
        { "17AA38B7", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
        { "17AA38C7", 4, INTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, CS35L41_RIGHT, CS35L41_LEFT }, 0, 2, -1, 1000, 4500, 24 },
        { "17AA38C8", 4, INTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, CS35L41_RIGHT, CS35L41_LEFT }, 0, 2, -1, 1000, 4500, 24 },
        { "17AA38F9", 2, EXTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
        { "17AA38FA", 2, EXTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
        { "17AA3929", 4, INTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, CS35L41_RIGHT, CS35L41_LEFT }, 0, 2, -1, 1000, 4500, 24 },
        { "17AA392B", 4, INTERNAL, { CS35L41_RIGHT, CS35L41_LEFT, CS35L41_RIGHT, CS35L41_LEFT }, 0, 2, -1, 1000, 4500, 24 },
        {}
};

static int cs35l41_add_gpios(struct cs35l41_hda *cs35l41, struct device *physdev, int reset_gpio,
                             int spkid_gpio, int cs_gpio_index, int num_amps)
{
        struct acpi_gpio_mapping *gpio_mapping = NULL;
        struct acpi_gpio_params *reset_gpio_params = NULL;
        struct acpi_gpio_params *spkid_gpio_params = NULL;
        struct acpi_gpio_params *cs_gpio_params = NULL;
        unsigned int num_entries = 0;
        unsigned int reset_index, spkid_index, csgpio_index;
        int i;

        /*
         * GPIO Mapping only needs to be done once, since it would be available for subsequent amps
         */
        if (cs35l41->dacpi->driver_gpios)
                return 0;

        if (reset_gpio >= 0) {
                reset_index = num_entries;
                num_entries++;
        }

        if (spkid_gpio >= 0) {
                spkid_index = num_entries;
                num_entries++;
        }

        if ((cs_gpio_index >= 0)  && (num_amps == 2)) {
                csgpio_index = num_entries;
                num_entries++;
        }

        if (!num_entries)
                return 0;

        /* must include termination entry */
        num_entries++;

        gpio_mapping = devm_kcalloc(physdev, num_entries, sizeof(struct acpi_gpio_mapping),
                                    GFP_KERNEL);

        if (!gpio_mapping)
                goto err;

        if (reset_gpio >= 0) {
                gpio_mapping[reset_index].name = "reset-gpios";
                reset_gpio_params = devm_kcalloc(physdev, num_amps, sizeof(struct acpi_gpio_params),
                                                 GFP_KERNEL);
                if (!reset_gpio_params)
                        goto err;

                for (i = 0; i < num_amps; i++)
                        reset_gpio_params[i].crs_entry_index = reset_gpio;

                gpio_mapping[reset_index].data = reset_gpio_params;
                gpio_mapping[reset_index].size = num_amps;
        }

        if (spkid_gpio >= 0) {
                gpio_mapping[spkid_index].name = "spk-id-gpios";
                spkid_gpio_params = devm_kcalloc(physdev, num_amps, sizeof(struct acpi_gpio_params),
                                                 GFP_KERNEL);
                if (!spkid_gpio_params)
                        goto err;

                for (i = 0; i < num_amps; i++)
                        spkid_gpio_params[i].crs_entry_index = spkid_gpio;

                gpio_mapping[spkid_index].data = spkid_gpio_params;
                gpio_mapping[spkid_index].size = num_amps;
        }

        if ((cs_gpio_index >= 0) && (num_amps == 2)) {
                gpio_mapping[csgpio_index].name = "cs-gpios";
                /* only one GPIO CS is supported without using _DSD, obtained using index 0 */
                cs_gpio_params = devm_kzalloc(physdev, sizeof(struct acpi_gpio_params), GFP_KERNEL);
                if (!cs_gpio_params)
                        goto err;

                cs_gpio_params->crs_entry_index = cs_gpio_index;

                gpio_mapping[csgpio_index].data = cs_gpio_params;
                gpio_mapping[csgpio_index].size = 1;
        }

        return devm_acpi_dev_add_driver_gpios(physdev, gpio_mapping);
err:
        devm_kfree(physdev, gpio_mapping);
        devm_kfree(physdev, reset_gpio_params);
        devm_kfree(physdev, spkid_gpio_params);
        devm_kfree(physdev, cs_gpio_params);
        return -ENOMEM;
}

static int generic_dsd_config(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
                              const char *hid)
{
        struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
        const struct cs35l41_config *cfg;
        struct gpio_desc *cs_gpiod;
        struct spi_device *spi;
        bool dsd_found;
        int ret;
        int i;

        for (cfg = cs35l41_config_table; cfg->ssid; cfg++) {
                if (!strcasecmp(cfg->ssid, cs35l41->acpi_subsystem_id))
                        break;
        }

        if (!cfg->ssid)
                return -ENOENT;

        if (!cs35l41->dacpi || cs35l41->dacpi != ACPI_COMPANION(physdev)) {
                dev_err(cs35l41->dev, "ACPI Device does not match, cannot override _DSD.\n");
                return -ENODEV;
        }

        dev_info(cs35l41->dev, "Adding DSD properties for %s\n", cs35l41->acpi_subsystem_id);

        dsd_found = acpi_dev_has_props(cs35l41->dacpi);

        if (!dsd_found) {
                ret = cs35l41_add_gpios(cs35l41, physdev, cfg->reset_gpio_index,
                                                 cfg->spkid_gpio_index, cfg->cs_gpio_index,
                                                 cfg->num_amps);
                if (ret) {
                        dev_err(cs35l41->dev, "Error adding GPIO mapping: %d\n", ret);
                        return ret;
                }
        } else if (cfg->reset_gpio_index >= 0 || cfg->spkid_gpio_index >= 0) {
                dev_warn(cs35l41->dev, "Cannot add Reset/Speaker ID/SPI CS GPIO Mapping, "
                         "_DSD already exists.\n");
        }

        if (cs35l41->control_bus == SPI) {
                cs35l41->index = id;

                /*
                 * Manually set the Chip Select for the second amp <cs_gpio_index> in the node.
                 * This is only supported for systems with 2 amps, since we cannot expand the
                 * default number of chip selects without using cs-gpios
                 * The CS GPIO must be set high prior to communicating with the first amp (which
                 * uses a native chip select), to ensure the second amp does not clash with the
                 * first.
                 */
                if (IS_ENABLED(CONFIG_SPI) && cfg->cs_gpio_index >= 0) {
                        spi = to_spi_device(cs35l41->dev);

                        if (cfg->num_amps != 2) {
                                dev_warn(cs35l41->dev,
                                         "Cannot update SPI CS, Number of Amps (%d) != 2\n",
                                         cfg->num_amps);
                        } else if (dsd_found) {
                                dev_warn(cs35l41->dev,
                                        "Cannot update SPI CS, _DSD already exists.\n");
                        } else {
                                /*
                                 * This is obtained using driver_gpios, since only one GPIO for CS
                                 * exists, this can be obtained using index 0.
                                 */
                                cs_gpiod = gpiod_get_index(physdev, "cs", 0, GPIOD_OUT_LOW);
                                if (IS_ERR(cs_gpiod)) {
                                        dev_err(cs35l41->dev,
                                                "Unable to get Chip Select GPIO descriptor\n");
                                        return PTR_ERR(cs_gpiod);
                                }
                                if (id == 1) {
                                        spi_set_csgpiod(spi, 0, cs_gpiod);
                                        cs35l41->cs_gpio = cs_gpiod;
                                } else {
                                        gpiod_set_value_cansleep(cs_gpiod, true);
                                        gpiod_put(cs_gpiod);
                                }
                                spi_setup(spi);
                        }
                }
        } else {
                if (cfg->num_amps > 2)
                        /*
                         * i2c addresses for 3/4 amps are used in order: 0x40, 0x41, 0x42, 0x43,
                         * subtracting 0x40 would give zero-based index
                         */
                        cs35l41->index = id - 0x40;
                else
                        /* i2c addr 0x40 for first amp (always), 0x41/0x42 for 2nd amp */
                        cs35l41->index = id == 0x40 ? 0 : 1;
        }

        cs35l41->reset_gpio = fwnode_gpiod_get_index(acpi_fwnode_handle(cs35l41->dacpi), "reset",
                                                     cs35l41->index, GPIOD_OUT_LOW,
                                                     "cs35l41-reset");
        cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, cs35l41->index, cfg->num_amps, -1);

        hw_cfg->spk_pos = cfg->channel[cs35l41->index];

        cs35l41->channel_index = 0;
        for (i = 0; i < cs35l41->index; i++)
                if (cfg->channel[i] == hw_cfg->spk_pos)
                        cs35l41->channel_index++;

        if (cfg->boost_type == INTERNAL) {
                hw_cfg->bst_type = CS35L41_INT_BOOST;
                hw_cfg->bst_ind = cfg->boost_ind_nanohenry;
                hw_cfg->bst_ipk = cfg->boost_peak_milliamp;
                hw_cfg->bst_cap = cfg->boost_cap_microfarad;
                hw_cfg->gpio1.func = CS35L41_NOT_USED;
                hw_cfg->gpio1.valid = true;
        } else {
                hw_cfg->bst_type = CS35L41_EXT_BOOST;
                hw_cfg->bst_ind = -1;
                hw_cfg->bst_ipk = -1;
                hw_cfg->bst_cap = -1;
                hw_cfg->gpio1.func = CS35l41_VSPK_SWITCH;
                hw_cfg->gpio1.valid = true;
        }

        hw_cfg->gpio2.func = CS35L41_INTERRUPT;
        hw_cfg->gpio2.valid = true;
        hw_cfg->valid = true;

        return 0;
}

/*
 * Systems 103C8C66, 103C8C67, 103C8C68, 103C8C6A use a dual speaker id system - each speaker has
 * its own speaker id.
 */
static int hp_i2c_int_2amp_dual_spkid(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
                                      const char *hid)
{
        struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;

        /* If _DSD exists for this laptop, we cannot support it through here */
        if (acpi_dev_has_props(cs35l41->dacpi))
                return -ENOENT;

        /* check I2C address to assign the index */
        cs35l41->index = id == 0x40 ? 0 : 1;
        cs35l41->channel_index = 0;
        cs35l41->reset_gpio = gpiod_get_index(physdev, NULL, 0, GPIOD_OUT_HIGH);
        if (cs35l41->index == 0)
                cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, 0, 0, 1);
        else
                cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, 0, 0, 2);
        hw_cfg->spk_pos = cs35l41->index;
        hw_cfg->gpio2.func = CS35L41_INTERRUPT;
        hw_cfg->gpio2.valid = true;
        hw_cfg->valid = true;

        hw_cfg->bst_type = CS35L41_INT_BOOST;
        hw_cfg->bst_ind = 1000;
        hw_cfg->bst_ipk = 4100;
        hw_cfg->bst_cap = 24;
        hw_cfg->gpio1.func = CS35L41_NOT_USED;
        hw_cfg->gpio1.valid = true;

        return 0;
}

/*
 * Device CLSA010(0/1) doesn't have _DSD so a gpiod_get by the label reset won't work.
 * And devices created by serial-multi-instantiate don't have their device struct
 * pointing to the correct fwnode, so acpi_dev must be used here.
 * And devm functions expect that the device requesting the resource has the correct
 * fwnode.
 */
static int lenovo_legion_no_acpi(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
                                 const char *hid)
{
        struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;

        /* check I2C address to assign the index */
        cs35l41->index = id == 0x40 ? 0 : 1;
        cs35l41->channel_index = 0;
        cs35l41->reset_gpio = gpiod_get_index(physdev, NULL, 0, GPIOD_OUT_HIGH);
        cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, 0, 0, 2);
        hw_cfg->spk_pos = cs35l41->index;
        hw_cfg->gpio2.func = CS35L41_INTERRUPT;
        hw_cfg->gpio2.valid = true;
        hw_cfg->valid = true;

        if (strcmp(hid, "CLSA0100") == 0) {
                hw_cfg->bst_type = CS35L41_EXT_BOOST_NO_VSPK_SWITCH;
        } else if (strcmp(hid, "CLSA0101") == 0) {
                hw_cfg->bst_type = CS35L41_EXT_BOOST;
                hw_cfg->gpio1.func = CS35l41_VSPK_SWITCH;
                hw_cfg->gpio1.valid = true;
        }

        return 0;
}

static int missing_speaker_id_gpio2(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
                                    const char *hid)
{
        int ret;

        ret = cs35l41_add_gpios(cs35l41, physdev, -1, 2, -1, 2);
        if (ret) {
                dev_err(cs35l41->dev, "Error adding GPIO mapping: %d\n", ret);
                return ret;
        }

        return cs35l41_hda_parse_acpi(cs35l41, physdev, id);
}

struct cs35l41_prop_model {
        const char *hid;
        const char *ssid;
        int (*add_prop)(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
                        const char *hid);
};

static const struct cs35l41_prop_model cs35l41_prop_model_table[] = {
        { "CLSA0100", NULL, lenovo_legion_no_acpi },
        { "CLSA0101", NULL, lenovo_legion_no_acpi },
        { "CSC3551", "10251826", generic_dsd_config },
        { "CSC3551", "1025182C", generic_dsd_config },
        { "CSC3551", "10251844", generic_dsd_config },
        { "CSC3551", "10280B27", generic_dsd_config },
        { "CSC3551", "10280B28", generic_dsd_config },
        { "CSC3551", "10280BEB", generic_dsd_config },
        { "CSC3551", "10280C4D", generic_dsd_config },
        { "CSC3551", "103C89C6", generic_dsd_config },
        { "CSC3551", "103C8A28", generic_dsd_config },
        { "CSC3551", "103C8A29", generic_dsd_config },
        { "CSC3551", "103C8A2A", generic_dsd_config },
        { "CSC3551", "103C8A2B", generic_dsd_config },
        { "CSC3551", "103C8A2C", generic_dsd_config },
        { "CSC3551", "103C8A2D", generic_dsd_config },
        { "CSC3551", "103C8A2E", generic_dsd_config },
        { "CSC3551", "103C8A30", generic_dsd_config },
        { "CSC3551", "103C8A31", generic_dsd_config },
        { "CSC3551", "103C8A6E", generic_dsd_config },
        { "CSC3551", "103C8BB3", generic_dsd_config },
        { "CSC3551", "103C8BB4", generic_dsd_config },
        { "CSC3551", "103C8BDD", generic_dsd_config },
        { "CSC3551", "103C8BDE", generic_dsd_config },
        { "CSC3551", "103C8BDF", generic_dsd_config },
        { "CSC3551", "103C8BE0", generic_dsd_config },
        { "CSC3551", "103C8BE1", generic_dsd_config },
        { "CSC3551", "103C8BE2", generic_dsd_config },
        { "CSC3551", "103C8BE3", generic_dsd_config },
        { "CSC3551", "103C8BE5", generic_dsd_config },
        { "CSC3551", "103C8BE6", generic_dsd_config },
        { "CSC3551", "103C8BE7", generic_dsd_config },
        { "CSC3551", "103C8BE8", generic_dsd_config },
        { "CSC3551", "103C8BE9", generic_dsd_config },
        { "CSC3551", "103C8B3A", generic_dsd_config },
        { "CSC3551", "103C8C15", generic_dsd_config },
        { "CSC3551", "103C8C16", generic_dsd_config },
        { "CSC3551", "103C8C17", generic_dsd_config },
        { "CSC3551", "103C8C4D", generic_dsd_config },
        { "CSC3551", "103C8C4E", generic_dsd_config },
        { "CSC3551", "103C8C4F", generic_dsd_config },
        { "CSC3551", "103C8C50", generic_dsd_config },
        { "CSC3551", "103C8C51", generic_dsd_config },
        { "CSC3551", "103C8C66", hp_i2c_int_2amp_dual_spkid },
        { "CSC3551", "103C8C67", hp_i2c_int_2amp_dual_spkid },
        { "CSC3551", "103C8C68", hp_i2c_int_2amp_dual_spkid },
        { "CSC3551", "103C8C6A", hp_i2c_int_2amp_dual_spkid },
        { "CSC3551", "103C8CDD", generic_dsd_config },
        { "CSC3551", "103C8CDE", generic_dsd_config },
        { "CSC3551", "104312AF", generic_dsd_config },
        { "CSC3551", "10431433", generic_dsd_config },
        { "CSC3551", "10431463", generic_dsd_config },
        { "CSC3551", "10431473", generic_dsd_config },
        { "CSC3551", "10431483", generic_dsd_config },
        { "CSC3551", "10431493", generic_dsd_config },
        { "CSC3551", "104314D3", generic_dsd_config },
        { "CSC3551", "104314E3", generic_dsd_config },
        { "CSC3551", "10431503", generic_dsd_config },
        { "CSC3551", "10431533", generic_dsd_config },
        { "CSC3551", "10431573", generic_dsd_config },
        { "CSC3551", "10431663", generic_dsd_config },
        { "CSC3551", "10431683", generic_dsd_config },
        { "CSC3551", "104316A3", generic_dsd_config },
        { "CSC3551", "104316D3", generic_dsd_config },
        { "CSC3551", "104316F3", generic_dsd_config },
        { "CSC3551", "104317F3", generic_dsd_config },
        { "CSC3551", "10431863", generic_dsd_config },
        { "CSC3551", "104318D3", generic_dsd_config },
        { "CSC3551", "10431A63", missing_speaker_id_gpio2 },
        { "CSC3551", "10431A83", generic_dsd_config },
        { "CSC3551", "10431B93", generic_dsd_config },
        { "CSC3551", "10431C9F", generic_dsd_config },
        { "CSC3551", "10431CAF", generic_dsd_config },
        { "CSC3551", "10431CCF", generic_dsd_config },
        { "CSC3551", "10431CDF", generic_dsd_config },
        { "CSC3551", "10431CEF", generic_dsd_config },
        { "CSC3551", "10431D1F", generic_dsd_config },
        { "CSC3551", "10431DA2", generic_dsd_config },
        { "CSC3551", "10431E02", generic_dsd_config },
        { "CSC3551", "10431E12", generic_dsd_config },
        { "CSC3551", "10431EE2", generic_dsd_config },
        { "CSC3551", "10431F12", generic_dsd_config },
        { "CSC3551", "10431F1F", generic_dsd_config },
        { "CSC3551", "10431F62", generic_dsd_config },
        { "CSC3551", "10433A20", generic_dsd_config },
        { "CSC3551", "10433A30", generic_dsd_config },
        { "CSC3551", "10433A40", generic_dsd_config },
        { "CSC3551", "10433A50", generic_dsd_config },
        { "CSC3551", "10433A60", generic_dsd_config },
        { "CSC3551", "17AA3865", generic_dsd_config },
        { "CSC3551", "17AA3866", generic_dsd_config },
        { "CSC3551", "17AA386E", generic_dsd_config },
        { "CSC3551", "17AA386F", generic_dsd_config },
        { "CSC3551", "17AA3877", generic_dsd_config },
        { "CSC3551", "17AA3878", generic_dsd_config },
        { "CSC3551", "17AA38A9", generic_dsd_config },
        { "CSC3551", "17AA38AB", generic_dsd_config },
        { "CSC3551", "17AA38B4", generic_dsd_config },
        { "CSC3551", "17AA38B5", generic_dsd_config },
        { "CSC3551", "17AA38B6", generic_dsd_config },
        { "CSC3551", "17AA38B7", generic_dsd_config },
        { "CSC3551", "17AA38C7", generic_dsd_config },
        { "CSC3551", "17AA38C8", generic_dsd_config },
        { "CSC3551", "17AA38F9", generic_dsd_config },
        { "CSC3551", "17AA38FA", generic_dsd_config },
        { "CSC3551", "17AA3929", generic_dsd_config },
        { "CSC3551", "17AA392B", generic_dsd_config },
        {}
};

int cs35l41_add_dsd_properties(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
                               const char *hid)
{
        const struct cs35l41_prop_model *model;

        for (model = cs35l41_prop_model_table; model->hid; model++) {
                if (!strcmp(model->hid, hid) &&
                    (!model->ssid ||
                     (cs35l41->acpi_subsystem_id &&
                      !strcasecmp(model->ssid, cs35l41->acpi_subsystem_id))))
                        return model->add_prop(cs35l41, physdev, id, hid);
        }

        return -ENOENT;
}