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#define QCA_DISABLE_LOGGING (0xFC17)
18
19#define EDL_CMD_REQ_RES_EVT (0x00)
20#define EDL_PATCH_VER_RES_EVT (0x19)
21#define EDL_APP_VER_RES_EVT (0x02)
22#define EDL_TVL_DNLD_RES_EVT (0x04)
23#define EDL_CMD_EXE_STATUS_EVT (0x00)
24#define EDL_SET_BAUDRATE_RSP_EVT (0x92)
25#define EDL_NVM_ACCESS_CODE_EVT (0x0B)
26#define QCA_DISABLE_LOGGING_SUB_OP (0x14)
27
28#define EDL_TAG_ID_HCI (17)
29#define EDL_TAG_ID_DEEP_SLEEP (27)
30
31#define QCA_WCN3990_POWERON_PULSE 0xFC
32#define QCA_WCN3990_POWEROFF_PULSE 0xC0
33
34#define QCA_HCI_CC_OPCODE 0xFC00
35#define QCA_HCI_CC_SUCCESS 0x00
36
37#define QCA_WCN3991_SOC_ID (0x40014320)
38
39/* QCA chipset version can be decided by patch and SoC
40 * version, combination with upper 2 bytes from SoC
41 * and lower 2 bytes from patch will be used.
42 */
43#define get_soc_ver(soc_id, rom_ver) \
44 ((le32_to_cpu(soc_id) << 16) | (le16_to_cpu(rom_ver)))
45
46#define QCA_FW_BUILD_VER_LEN 255
47
48
49enum qca_baudrate {
50 QCA_BAUDRATE_115200 = 0,
51 QCA_BAUDRATE_57600,
52 QCA_BAUDRATE_38400,
53 QCA_BAUDRATE_19200,
54 QCA_BAUDRATE_9600,
55 QCA_BAUDRATE_230400,
56 QCA_BAUDRATE_250000,
57 QCA_BAUDRATE_460800,
58 QCA_BAUDRATE_500000,
59 QCA_BAUDRATE_720000,
60 QCA_BAUDRATE_921600,
61 QCA_BAUDRATE_1000000,
62 QCA_BAUDRATE_1250000,
63 QCA_BAUDRATE_2000000,
64 QCA_BAUDRATE_3000000,
65 QCA_BAUDRATE_4000000,
66 QCA_BAUDRATE_1600000,
67 QCA_BAUDRATE_3200000,
68 QCA_BAUDRATE_3500000,
69 QCA_BAUDRATE_AUTO = 0xFE,
70 QCA_BAUDRATE_RESERVED
71};
72
73enum qca_tlv_dnld_mode {
74 QCA_SKIP_EVT_NONE,
75 QCA_SKIP_EVT_VSE,
76 QCA_SKIP_EVT_CC,
77 QCA_SKIP_EVT_VSE_CC
78};
79
80enum qca_tlv_type {
81 TLV_TYPE_PATCH = 1,
82 TLV_TYPE_NVM
83};
84
85struct qca_fw_config {
86 u8 type;
87 char fwname[64];
88 uint8_t user_baud_rate;
89 enum qca_tlv_dnld_mode dnld_mode;
90 enum qca_tlv_dnld_mode dnld_type;
91};
92
93struct edl_event_hdr {
94 __u8 cresp;
95 __u8 rtype;
96 __u8 data[];
97} __packed;
98
99struct qca_btsoc_version {
100 __le32 product_id;
101 __le16 patch_ver;
102 __le16 rom_ver;
103 __le32 soc_id;
104} __packed;
105
106struct tlv_seg_resp {
107 __u8 result;
108} __packed;
109
110struct tlv_type_patch {
111 __le32 total_size;
112 __le32 data_length;
113 __u8 format_version;
114 __u8 signature;
115 __u8 download_mode;
116 __u8 reserved1;
117 __le16 product_id;
118 __le16 rom_build;
119 __le16 patch_version;
120 __le16 reserved2;
121 __le32 entry;
122} __packed;
123
124struct tlv_type_nvm {
125 __le16 tag_id;
126 __le16 tag_len;
127 __le32 reserve1;
128 __le32 reserve2;
129 __u8 data[];
130} __packed;
131
132struct tlv_type_hdr {
133 __le32 type_len;
134 __u8 data[];
135} __packed;
136
137enum qca_btsoc_type {
138 QCA_INVALID = -1,
139 QCA_AR3002,
140 QCA_ROME,
141 QCA_WCN3990,
142 QCA_WCN3998,
143 QCA_WCN3991,
144 QCA_QCA6390,
145};
146
147#if IS_ENABLED(CONFIG_BT_QCA)
148
149int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
150int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
151 enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
152 const char *firmware_name);
153int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver,
154 enum qca_btsoc_type);
155int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
156int qca_send_pre_shutdown_cmd(struct hci_dev *hdev);
157static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
158{
159 return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3991 ||
160 soc_type == QCA_WCN3998;
161}
162#else
163
164static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
165{
166 return -EOPNOTSUPP;
167}
168
169static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
170 enum qca_btsoc_type soc_type,
171 struct qca_btsoc_version ver,
172 const char *firmware_name)
173{
174 return -EOPNOTSUPP;
175}
176
177static inline int qca_read_soc_version(struct hci_dev *hdev,
178 struct qca_btsoc_version *ver,
179 enum qca_btsoc_type)
180{
181 return -EOPNOTSUPP;
182}
183
184static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
185{
186 return -EOPNOTSUPP;
187}
188
189static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
190{
191 return false;
192}
193
194static inline int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
195{
196 return -EOPNOTSUPP;
197}
198#endif