tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
12struct bcm_update_uart_baud_rate {
13 __le16 zero;
14 __le32 baud_rate;
15} __packed;
16
17struct bcm_write_uart_clock_setting {
18 __u8 type;
19} __packed;
20
21struct 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
36struct 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
44struct 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
54int btbcm_check_bdaddr(struct hci_dev *hdev);
55int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
56int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw);
57int btbcm_read_pcm_int_params(struct hci_dev *hdev,
58 struct bcm_set_pcm_int_params *params);
59int btbcm_write_pcm_int_params(struct hci_dev *hdev,
60 const struct bcm_set_pcm_int_params *params);
61
62int btbcm_setup_patchram(struct hci_dev *hdev);
63int btbcm_setup_apple(struct hci_dev *hdev);
64
65int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len,
66 bool reinit);
67int btbcm_finalize(struct hci_dev *hdev);
68
69#else
70
71static inline int btbcm_check_bdaddr(struct hci_dev *hdev)
72{
73 return -EOPNOTSUPP;
74}
75
76static inline int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
77{
78 return -EOPNOTSUPP;
79}
80
81static inline int btbcm_read_pcm_int_params(struct hci_dev *hdev,
82 struct bcm_set_pcm_int_params *params)
83{
84 return -EOPNOTSUPP;
85}
86
87static inline int btbcm_write_pcm_int_params(struct hci_dev *hdev,
88 const struct bcm_set_pcm_int_params *params)
89{
90 return -EOPNOTSUPP;
91}
92
93static inline int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw)
94{
95 return -EOPNOTSUPP;
96}
97
98static inline int btbcm_setup_patchram(struct hci_dev *hdev)
99{
100 return 0;
101}
102
103static inline int btbcm_setup_apple(struct hci_dev *hdev)
104{
105 return 0;
106}
107
108static inline int btbcm_initialize(struct hci_dev *hdev, char *fw_name,
109 size_t len, bool reinit)
110{
111 return 0;
112}
113
114static inline int btbcm_finalize(struct hci_dev *hdev)
115{
116 return 0;
117}
118
119#endif