xref: /openbmc/linux/drivers/bluetooth/btbcm.h (revision af35e28f)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *
4  *  Bluetooth support for Broadcom devices
5  *
6  *  Copyright (C) 2015  Intel Corporation
7  */
8 
9 #define BCM_UART_CLOCK_48MHZ	0x01
10 #define BCM_UART_CLOCK_24MHZ	0x02
11 
12 struct bcm_update_uart_baud_rate {
13 	__le16 zero;
14 	__le32 baud_rate;
15 } __packed;
16 
17 struct bcm_write_uart_clock_setting {
18 	__u8 type;
19 } __packed;
20 
21 struct bcm_set_sleep_mode {
22 	__u8 sleep_mode;
23 	__u8 idle_host;
24 	__u8 idle_dev;
25 	__u8 bt_wake_active;
26 	__u8 host_wake_active;
27 	__u8 allow_host_sleep;
28 	__u8 combine_modes;
29 	__u8 tristate_control;
30 	__u8 usb_auto_sleep;
31 	__u8 usb_resume_timeout;
32 	__u8 break_to_host;
33 	__u8 pulsed_host_wake;
34 } __packed;
35 
36 struct bcm_set_pcm_int_params {
37 	__u8 routing;
38 	__u8 rate;
39 	__u8 frame_sync;
40 	__u8 sync_mode;
41 	__u8 clock_mode;
42 } __packed;
43 
44 struct bcm_set_pcm_format_params {
45 	__u8 lsb_first;
46 	__u8 fill_value;
47 	__u8 fill_method;
48 	__u8 fill_num;
49 	__u8 right_justify;
50 } __packed;
51 
52 #if IS_ENABLED(CONFIG_BT_BCM)
53 
54 int btbcm_check_bdaddr(struct hci_dev *hdev);
55 int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
56 int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw);
57 int btbcm_read_pcm_int_params(struct hci_dev *hdev,
58 			      struct bcm_set_pcm_int_params *params);
59 int btbcm_write_pcm_int_params(struct hci_dev *hdev,
60 			       const struct bcm_set_pcm_int_params *params);
61 
62 int btbcm_setup_patchram(struct hci_dev *hdev);
63 int btbcm_setup_apple(struct hci_dev *hdev);
64 
65 int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode);
66 int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode);
67 
68 #else
69 
btbcm_check_bdaddr(struct hci_dev * hdev)70 static inline int btbcm_check_bdaddr(struct hci_dev *hdev)
71 {
72 	return -EOPNOTSUPP;
73 }
74 
btbcm_set_bdaddr(struct hci_dev * hdev,const bdaddr_t * bdaddr)75 static inline int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
76 {
77 	return -EOPNOTSUPP;
78 }
79 
btbcm_read_pcm_int_params(struct hci_dev * hdev,struct bcm_set_pcm_int_params * params)80 static inline int btbcm_read_pcm_int_params(struct hci_dev *hdev,
81 			      struct bcm_set_pcm_int_params *params)
82 {
83 	return -EOPNOTSUPP;
84 }
85 
btbcm_write_pcm_int_params(struct hci_dev * hdev,const struct bcm_set_pcm_int_params * params)86 static inline int btbcm_write_pcm_int_params(struct hci_dev *hdev,
87 			       const struct bcm_set_pcm_int_params *params)
88 {
89 	return -EOPNOTSUPP;
90 }
91 
btbcm_patchram(struct hci_dev * hdev,const struct firmware * fw)92 static inline int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw)
93 {
94 	return -EOPNOTSUPP;
95 }
96 
btbcm_setup_patchram(struct hci_dev * hdev)97 static inline int btbcm_setup_patchram(struct hci_dev *hdev)
98 {
99 	return 0;
100 }
101 
btbcm_setup_apple(struct hci_dev * hdev)102 static inline int btbcm_setup_apple(struct hci_dev *hdev)
103 {
104 	return 0;
105 }
106 
btbcm_initialize(struct hci_dev * hdev,bool * fw_load_done,bool use_autobaud_mode)107 static inline int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode)
108 {
109 	return 0;
110 }
111 
btbcm_finalize(struct hci_dev * hdev,bool * fw_load_done,bool use_autobaud_mode)112 static inline int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode)
113 {
114 	return 0;
115 }
116 
117 #endif
118