1*6014e902STakashi Iwai // SPDX-License-Identifier: GPL-2.0 2*6014e902STakashi Iwai // 3*6014e902STakashi Iwai // CS35l41 HDA SPI driver 4*6014e902STakashi Iwai // 5*6014e902STakashi Iwai // Copyright 2021 Cirrus Logic, Inc. 6*6014e902STakashi Iwai // 7*6014e902STakashi Iwai // Author: Lucas Tanure <tanureal@opensource.cirrus.com> 8*6014e902STakashi Iwai 9*6014e902STakashi Iwai #include <linux/mod_devicetable.h> 10*6014e902STakashi Iwai #include <linux/module.h> 11*6014e902STakashi Iwai #include <linux/spi/spi.h> 12*6014e902STakashi Iwai 13*6014e902STakashi Iwai #include "cs35l41_hda.h" 14*6014e902STakashi Iwai 15*6014e902STakashi Iwai static int cs35l41_hda_spi_probe(struct spi_device *spi) 16*6014e902STakashi Iwai { 17*6014e902STakashi Iwai const char *device_name; 18*6014e902STakashi Iwai 19*6014e902STakashi Iwai /* 20*6014e902STakashi Iwai * Compare against the device name so it works for SPI, normal ACPI 21*6014e902STakashi Iwai * and for ACPI by serial-multi-instantiate matching cases. 22*6014e902STakashi Iwai */ 23*6014e902STakashi Iwai if (strstr(dev_name(&spi->dev), "CSC3551")) 24*6014e902STakashi Iwai device_name = "CSC3551"; 25*6014e902STakashi Iwai else 26*6014e902STakashi Iwai return -ENODEV; 27*6014e902STakashi Iwai 28*6014e902STakashi Iwai return cs35l41_hda_probe(&spi->dev, device_name, spi_get_chipselect(spi, 0), spi->irq, 29*6014e902STakashi Iwai devm_regmap_init_spi(spi, &cs35l41_regmap_spi), SPI); 30*6014e902STakashi Iwai } 31*6014e902STakashi Iwai 32*6014e902STakashi Iwai static void cs35l41_hda_spi_remove(struct spi_device *spi) 33*6014e902STakashi Iwai { 34*6014e902STakashi Iwai cs35l41_hda_remove(&spi->dev); 35*6014e902STakashi Iwai } 36*6014e902STakashi Iwai 37*6014e902STakashi Iwai static const struct spi_device_id cs35l41_hda_spi_id[] = { 38*6014e902STakashi Iwai { "cs35l41-hda", 0 }, 39*6014e902STakashi Iwai {} 40*6014e902STakashi Iwai }; 41*6014e902STakashi Iwai MODULE_DEVICE_TABLE(spi, cs35l41_hda_spi_id); 42*6014e902STakashi Iwai 43*6014e902STakashi Iwai static const struct acpi_device_id cs35l41_acpi_hda_match[] = { 44*6014e902STakashi Iwai { "CSC3551", 0 }, 45*6014e902STakashi Iwai {} 46*6014e902STakashi Iwai }; 47*6014e902STakashi Iwai MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match); 48*6014e902STakashi Iwai 49*6014e902STakashi Iwai static struct spi_driver cs35l41_spi_driver = { 50*6014e902STakashi Iwai .driver = { 51*6014e902STakashi Iwai .name = "cs35l41-hda", 52*6014e902STakashi Iwai .acpi_match_table = cs35l41_acpi_hda_match, 53*6014e902STakashi Iwai .pm = &cs35l41_hda_pm_ops, 54*6014e902STakashi Iwai }, 55*6014e902STakashi Iwai .id_table = cs35l41_hda_spi_id, 56*6014e902STakashi Iwai .probe = cs35l41_hda_spi_probe, 57*6014e902STakashi Iwai .remove = cs35l41_hda_spi_remove, 58*6014e902STakashi Iwai }; 59*6014e902STakashi Iwai module_spi_driver(cs35l41_spi_driver); 60*6014e902STakashi Iwai 61*6014e902STakashi Iwai MODULE_DESCRIPTION("HDA CS35L41 driver"); 62*6014e902STakashi Iwai MODULE_IMPORT_NS("SND_HDA_SCODEC_CS35L41"); 63*6014e902STakashi Iwai MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>"); 64*6014e902STakashi Iwai MODULE_LICENSE("GPL"); 65