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-only */
2/*
3 * Bluetooth supports for Qualcomm Atheros ROME chips
4 *
5 * Copyright (c) 2015 The Linux Foundation. All rights reserved.
6 */
7
8#define EDL_PATCH_CMD_OPCODE (0xFC00)
9#define EDL_NVM_ACCESS_OPCODE (0xFC0B)
10#define EDL_WRITE_BD_ADDR_OPCODE (0xFC14)
11#define EDL_PATCH_CMD_LEN (1)
12#define EDL_PATCH_VER_REQ_CMD (0x19)
13#define EDL_PATCH_TLV_REQ_CMD (0x1E)
14#define EDL_NVM_ACCESS_SET_REQ_CMD (0x01)
15#define MAX_SIZE_PER_TLV_SEGMENT (243)
16#define QCA_PRE_SHUTDOWN_CMD (0xFC08)
17
18#define EDL_CMD_REQ_RES_EVT (0x00)
19#define EDL_PATCH_VER_RES_EVT (0x19)
20#define EDL_APP_VER_RES_EVT (0x02)
21#define EDL_TVL_DNLD_RES_EVT (0x04)
22#define EDL_CMD_EXE_STATUS_EVT (0x00)
23#define EDL_SET_BAUDRATE_RSP_EVT (0x92)
24#define EDL_NVM_ACCESS_CODE_EVT (0x0B)
25
26#define EDL_TAG_ID_HCI (17)
27#define EDL_TAG_ID_DEEP_SLEEP (27)
28
29#define QCA_WCN3990_POWERON_PULSE 0xFC
30#define QCA_WCN3990_POWEROFF_PULSE 0xC0
31
32#define QCA_HCI_CC_OPCODE 0xFC00
33#define QCA_HCI_CC_SUCCESS 0x00
34
35enum qca_baudrate {
36 QCA_BAUDRATE_115200 = 0,
37 QCA_BAUDRATE_57600,
38 QCA_BAUDRATE_38400,
39 QCA_BAUDRATE_19200,
40 QCA_BAUDRATE_9600,
41 QCA_BAUDRATE_230400,
42 QCA_BAUDRATE_250000,
43 QCA_BAUDRATE_460800,
44 QCA_BAUDRATE_500000,
45 QCA_BAUDRATE_720000,
46 QCA_BAUDRATE_921600,
47 QCA_BAUDRATE_1000000,
48 QCA_BAUDRATE_1250000,
49 QCA_BAUDRATE_2000000,
50 QCA_BAUDRATE_3000000,
51 QCA_BAUDRATE_4000000,
52 QCA_BAUDRATE_1600000,
53 QCA_BAUDRATE_3200000,
54 QCA_BAUDRATE_3500000,
55 QCA_BAUDRATE_AUTO = 0xFE,
56 QCA_BAUDRATE_RESERVED
57};
58
59enum rome_tlv_dnld_mode {
60 ROME_SKIP_EVT_NONE,
61 ROME_SKIP_EVT_VSE,
62 ROME_SKIP_EVT_CC,
63 ROME_SKIP_EVT_VSE_CC
64};
65
66enum rome_tlv_type {
67 TLV_TYPE_PATCH = 1,
68 TLV_TYPE_NVM
69};
70
71struct rome_config {
72 u8 type;
73 char fwname[64];
74 uint8_t user_baud_rate;
75 enum rome_tlv_dnld_mode dnld_mode;
76 enum rome_tlv_dnld_mode dnld_type;
77};
78
79struct edl_event_hdr {
80 __u8 cresp;
81 __u8 rtype;
82 __u8 data[0];
83} __packed;
84
85struct rome_version {
86 __le32 product_id;
87 __le16 patch_ver;
88 __le16 rome_ver;
89 __le32 soc_id;
90} __packed;
91
92struct tlv_seg_resp {
93 __u8 result;
94} __packed;
95
96struct tlv_type_patch {
97 __le32 total_size;
98 __le32 data_length;
99 __u8 format_version;
100 __u8 signature;
101 __u8 download_mode;
102 __u8 reserved1;
103 __le16 product_id;
104 __le16 rom_build;
105 __le16 patch_version;
106 __le16 reserved2;
107 __le32 entry;
108} __packed;
109
110struct tlv_type_nvm {
111 __le16 tag_id;
112 __le16 tag_len;
113 __le32 reserve1;
114 __le32 reserve2;
115 __u8 data[0];
116} __packed;
117
118struct tlv_type_hdr {
119 __le32 type_len;
120 __u8 data[0];
121} __packed;
122
123enum qca_btsoc_type {
124 QCA_INVALID = -1,
125 QCA_AR3002,
126 QCA_ROME,
127 QCA_WCN3990,
128 QCA_WCN3998,
129};
130
131#if IS_ENABLED(CONFIG_BT_QCA)
132
133int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
134int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
135 enum qca_btsoc_type soc_type, u32 soc_ver,
136 const char *firmware_name);
137int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
138int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
139int qca_send_pre_shutdown_cmd(struct hci_dev *hdev);
140static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
141{
142 return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3998;
143}
144#else
145
146static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
147{
148 return -EOPNOTSUPP;
149}
150
151static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
152 enum qca_btsoc_type soc_type, u32 soc_ver,
153 const char *firmware_name)
154{
155 return -EOPNOTSUPP;
156}
157
158static inline int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version)
159{
160 return -EOPNOTSUPP;
161}
162
163static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
164{
165 return -EOPNOTSUPP;
166}
167
168static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
169{
170 return false;
171}
172
173static inline int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
174{
175 return -EOPNOTSUPP;
176}
177#endif