xref: /openbmc/linux/drivers/bluetooth/btbcm.h (revision af35e28f)

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *
 *  Bluetooth support for Broadcom devices
 *
 *  Copyright (C) 2015  Intel Corporation
 */

#define BCM_UART_CLOCK_48MHZ	0x01
#define BCM_UART_CLOCK_24MHZ	0x02

struct bcm_update_uart_baud_rate {
	__le16 zero;
	__le32 baud_rate;
} __packed;

struct bcm_write_uart_clock_setting {
	__u8 type;
} __packed;

struct bcm_set_sleep_mode {
	__u8 sleep_mode;
	__u8 idle_host;
	__u8 idle_dev;
	__u8 bt_wake_active;
	__u8 host_wake_active;
	__u8 allow_host_sleep;
	__u8 combine_modes;
	__u8 tristate_control;
	__u8 usb_auto_sleep;
	__u8 usb_resume_timeout;
	__u8 break_to_host;
	__u8 pulsed_host_wake;
} __packed;

struct bcm_set_pcm_int_params {
	__u8 routing;
	__u8 rate;
	__u8 frame_sync;
	__u8 sync_mode;
	__u8 clock_mode;
} __packed;

struct bcm_set_pcm_format_params {
	__u8 lsb_first;
	__u8 fill_value;
	__u8 fill_method;
	__u8 fill_num;
	__u8 right_justify;
} __packed;

#if IS_ENABLED(CONFIG_BT_BCM)

int btbcm_check_bdaddr(struct hci_dev *hdev);
int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw);
int btbcm_read_pcm_int_params(struct hci_dev *hdev,
			      struct bcm_set_pcm_int_params *params);
int btbcm_write_pcm_int_params(struct hci_dev *hdev,
			       const struct bcm_set_pcm_int_params *params);

int btbcm_setup_patchram(struct hci_dev *hdev);
int btbcm_setup_apple(struct hci_dev *hdev);

int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode);
int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode);

#else

static inline int btbcm_check_bdaddr(struct hci_dev *hdev)
{
	return -EOPNOTSUPP;
}

static inline int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
	return -EOPNOTSUPP;
}

static inline int btbcm_read_pcm_int_params(struct hci_dev *hdev,
			      struct bcm_set_pcm_int_params *params)
{
	return -EOPNOTSUPP;
}

static inline int btbcm_write_pcm_int_params(struct hci_dev *hdev,
			       const struct bcm_set_pcm_int_params *params)
{
	return -EOPNOTSUPP;
}

static inline int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw)
{
	return -EOPNOTSUPP;
}

static inline int btbcm_setup_patchram(struct hci_dev *hdev)
{
	return 0;
}

static inline int btbcm_setup_apple(struct hci_dev *hdev)
{
	return 0;
}

static inline int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode)
{
	return 0;
}

static inline int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode)
{
	return 0;
}

#endif