diff options
Diffstat (limited to 'sound/pci/hda/cs35l41_hda.h')
| -rw-r--r-- | sound/pci/hda/cs35l41_hda.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/sound/pci/hda/cs35l41_hda.h b/sound/pci/hda/cs35l41_hda.h new file mode 100644 index 000000000000..74951001501c --- /dev/null +++ b/sound/pci/hda/cs35l41_hda.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * CS35L41 ALSA HDA audio driver + * + * Copyright 2021 Cirrus Logic, Inc. + * + * Author: Lucas Tanure <tanureal@opensource.cirrus.com> + */ + +#ifndef __CS35L41_HDA_H__ +#define __CS35L41_HDA_H__ + +#include <linux/regulator/consumer.h> +#include <linux/gpio/consumer.h> +#include <linux/device.h> +#include <sound/cs35l41.h> + +enum cs35l41_hda_spk_pos { + CS35l41_LEFT, + CS35l41_RIGHT, +}; + +enum cs35l41_hda_gpio_function { + CS35L41_NOT_USED, + CS35l41_VSPK_SWITCH, + CS35L41_INTERRUPT, + CS35l41_SYNC, +}; + +struct cs35l41_hda_reg_sequence { + const struct reg_sequence *probe; + unsigned int num_probe; + const struct reg_sequence *open; + unsigned int num_open; + const struct reg_sequence *prepare; + unsigned int num_prepare; + const struct reg_sequence *cleanup; + unsigned int num_cleanup; + const struct reg_sequence *close; + unsigned int num_close; +}; + +struct cs35l41_hda_hw_config { + unsigned int spk_pos; + unsigned int gpio1_func; + unsigned int gpio2_func; + int bst_ind; + int bst_ipk; + int bst_cap; +}; + +struct cs35l41_hda { + struct device *dev; + struct regmap *regmap; + struct gpio_desc *reset_gpio; + const struct cs35l41_hda_reg_sequence *reg_seq; + + int irq; + int index; + + /* Don't put the AMP in reset of VSPK can not be turned off */ + bool vspk_always_on; +}; + +int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq, + struct regmap *regmap); +void cs35l41_hda_remove(struct device *dev); + +#endif /*__CS35L41_HDA_H__*/ |