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remove calls to pm_usage_cnt
[GitHub/LineageOS/G12/android_hardware_amlogic_kernel-modules_rtk_btusb.git] / rtk_btusb.c
CommitLineData
b2ef244e
JA		 1/*
2 *
3 * Realtek Bluetooth USB driver
4 *
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22#include <linux/kernel.h>
23#include <linux/module.h>
24#include <linux/init.h>
25#include <linux/slab.h>
26#include <linux/types.h>
27#include <linux/sched.h>
28#include <linux/errno.h>
29#include <linux/skbuff.h>
30#include <linux/usb.h>
31
32#include <linux/ioctl.h>
33#include <linux/io.h>
34#include <linux/firmware.h>
35#include <linux/vmalloc.h>
36#include <linux/fs.h>
37#include <linux/uaccess.h>
38#include <linux/reboot.h>
39
40#include "rtk_btusb.h"
41
42#define RTKBT_RELEASE_NAME "20190311_BT_ANDROID_9.0"
43#define VERSION "5.0.1"
44
45#define SUSPNED_DW_FW 0
46#define SET_WAKEUP_DEVICE 0
47
48
49static spinlock_t queue_lock;
50static spinlock_t dlfw_lock;
51static volatile uint16_t dlfw_dis_state = 0;
52
53#if SUSPNED_DW_FW
54static firmware_info *fw_info_4_suspend = NULL;
55#endif
56
57static uint32_t usb_info;
58
59static patch_info fw_patch_table[] = {
60/* { vid, pid, lmp_sub_default, lmp_sub, everion, mp_fw_name, fw_name, config_name, fw_cache, fw_len, mac_offset } */
61{ 0x0BDA, 0x1724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723A */
62{ 0x0BDA, 0x8723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE */
63{ 0x0BDA, 0xA723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE for LI */
64{ 0x0BDA, 0x0723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE */
65{ 0x13D3, 0x3394, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE for Azurewave*/
66
67{ 0x0BDA, 0x0724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
68{ 0x0BDA, 0x8725, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
69{ 0x0BDA, 0x872A, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
70{ 0x0BDA, 0x872B, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
71
72{ 0x0BDA, 0xb720, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BU */
73{ 0x0BDA, 0xb72A, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BU */
74{ 0x0BDA, 0xb728, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for LC */
75{ 0x0BDA, 0xb723, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
76{ 0x0BDA, 0xb72B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
77{ 0x0BDA, 0xb001, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for HP */
78{ 0x0BDA, 0xb002, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
79{ 0x0BDA, 0xb003, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
80{ 0x0BDA, 0xb004, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
81{ 0x0BDA, 0xb005, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
82
83{ 0x13D3, 0x3410, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */
84{ 0x13D3, 0x3416, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */
85{ 0x13D3, 0x3459, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */
86{ 0x0489, 0xE085, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Foxconn */
87{ 0x0489, 0xE08B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Foxconn */
88
89{ 0x0BDA, 0x2850, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU */
90{ 0x0BDA, 0xA761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU only */
91{ 0x0BDA, 0x818B, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AW + 8192EU */
92{ 0x0BDA, 0x818C, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AW + 8192EU */
93{ 0x0BDA, 0x8760, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8192EE */
94{ 0x0BDA, 0xB761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AUV only */
95{ 0x0BDA, 0x8761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8192EE for LI */
96{ 0x0BDA, 0x8A60, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8812ae_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8812AE */
97{ 0x0BDA, 0x8771, 0x8761, 0, 0, "mp_rtl8761b_fw", "rtl8761b_fw", "rtl8761b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_4PLUS, MAX_PATCH_SIZE_40K}, /* RTL8761BU */
98
99{ 0x0BDA, 0x8821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
100{ 0x0BDA, 0x0821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
101{ 0x0BDA, 0x0823, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AU */
102{ 0x13D3, 0x3414, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
103{ 0x13D3, 0x3458, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
104{ 0x13D3, 0x3461, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
105{ 0x13D3, 0x3462, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
106
107{ 0x0BDA, 0xB822, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BE */
108{ 0x0BDA, 0xB82C, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BU */
109{ 0x0BDA, 0xB023, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BE */
110{ 0x0BDA, 0xB703, 0x8703, 0, 0, "mp_rtl8723c_fw", "rtl8723c_fw", "rtl8723c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8723CU */
111/* todo: RTL8703BU */
112
113{ 0x0BDA, 0xD723, 0x8723, 0, 0, "mp_rtl8723d_fw", "rtl8723d_fw", "rtl8723d_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8723DU */
114{ 0x0BDA, 0xD720, 0x8723, 0, 0, "mp_rtl8723d_fw", "rtl8723d_fw", "rtl8723d_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8723DE */
115{ 0x0BDA, 0xB820, 0x8821, 0, 0, "mp_rtl8821c_fw", "rtl8821c_fw", "rtl8821c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8821CU */
116{ 0x0BDA, 0xC820, 0x8821, 0, 0, "mp_rtl8821c_fw", "rtl8821c_fw", "rtl8821c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8821CU */
117{ 0x0BDA, 0xC821, 0x8821, 0, 0, "mp_rtl8821c_fw", "rtl8821c_fw", "rtl8821c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8821CE */
118/* todo: RTL8703CU */
119{ 0x0BDA, 0xC82C, 0x8822, 0, 0, "mp_rtl8822c_fw", "rtl8822c_fw", "rtl8822c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_4PLUS, MAX_PATCH_SIZE_40K}, /* RTL8822CU */
120{ 0x0BDA, 0xC822, 0x8822, 0, 0, "mp_rtl8822c_fw", "rtl8822c_fw", "rtl8822c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_4PLUS, MAX_PATCH_SIZE_40K}, /* RTL8822CE */
121/* NOTE: must append patch entries above the null entry */
122{ 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, 0, 0 }
123};
124
125struct btusb_data {
126 struct hci_dev *hdev;
127 struct usb_device *udev;
128 struct usb_interface *intf;
129 struct usb_interface *isoc;
130
131 spinlock_t lock;
132
133 unsigned long flags;
134
135 struct work_struct work;
136 struct work_struct waker;
137
138 struct usb_anchor tx_anchor;
139 struct usb_anchor intr_anchor;
140 struct usb_anchor bulk_anchor;
141 struct usb_anchor isoc_anchor;
142 struct usb_anchor deferred;
143 int tx_in_flight;
144 spinlock_t txlock;
145
146 struct usb_endpoint_descriptor *intr_ep;
147 struct usb_endpoint_descriptor *bulk_tx_ep;
148 struct usb_endpoint_descriptor *bulk_rx_ep;
149 struct usb_endpoint_descriptor *isoc_tx_ep;
150 struct usb_endpoint_descriptor *isoc_rx_ep;
151
152 __u8 cmdreq_type;
153
154 unsigned int sco_num;
155 int isoc_altsetting;
156 int suspend_count;
157 uint16_t sco_handle;
158//#ifdef CONFIG_HAS_EARLYSUSPEND
159#if 0
160 struct early_suspend early_suspend;
161#else
162 struct notifier_block pm_notifier;
163 struct notifier_block reboot_notifier;
164#endif
165 firmware_info *fw_info;
166
167#ifdef CONFIG_SCO_OVER_HCI
168 RTK_sco_card_t *pSCOSnd;
169#endif
170};
171#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 1)
172static bool reset_on_close = 0;
173#endif
174
175int download_patch(firmware_info *fw_info, int cached);
176int reset_controller(firmware_info* fw_info);
177
178static inline int check_set_dlfw_state_value(uint16_t change_value)
179{
180 int state;
181 spin_lock(&dlfw_lock);
182 if(!dlfw_dis_state) {
183 dlfw_dis_state = change_value;
184 }
185 state = dlfw_dis_state;
186 spin_unlock(&dlfw_lock);
187 return state;
188}
189
190static inline void set_dlfw_state_value(uint16_t change_value)
191{
192 spin_lock(&dlfw_lock);
193 dlfw_dis_state = change_value;
194 spin_unlock(&dlfw_lock);
195}
196
197#if SUSPNED_DW_FW
198static int download_suspend_patch(firmware_info *fw_info, int cached);
199#endif
200#if SET_WAKEUP_DEVICE
201static void set_wakeup_device_from_conf(firmware_info *fw_info);
202int set_wakeup_device(firmware_info* fw_info, uint8_t* wakeup_bdaddr);
203#endif
204
205static void rtk_free( struct btusb_data *data)
206{
207#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 1)
208 kfree(data);
209#endif
210 return;
211}
212
213static struct btusb_data *rtk_alloc(struct usb_interface *intf)
214{
215 struct btusb_data *data;
216#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 1)
217 data = kzalloc(sizeof(*data), GFP_KERNEL);
218#else
219 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
220#endif
221 return data;
222}
223
224static void print_acl(struct sk_buff *skb, int direction)
225{
226#if PRINT_ACL_DATA
227 uint wlength = skb->len;
228 u16 *handle = (u16 *)(skb->data);
229 u16 len = *(handle+1);
230 u8 *acl_data = (u8 *)(skb->data);
231
232 RTK_INFO("%s: direction %d, handle %04x, len %d",
233 __func__, direction, *handle, len);
234#endif
235}
236
237static void print_sco(struct sk_buff *skb, int direction)
238{
239#if PRINT_SCO_DATA
240 uint wlength = skb->len;
241 u16 *handle = (u16 *)(skb->data);
242 u8 len = *(u8 *)(handle+1);
243 u8 *sco_data =(u8 *)(skb->data);
244
245 RTKBT_INFO("%s: direction %d, handle %04x, len %d",
246 __func__, direction, *handle, len);
247#endif
248}
249
250static void print_error_command(struct sk_buff *skb)
251{
252 uint wlength = skb->len;
253 uint icount = 0;
254 u16 *opcode = (u16*)(skb->data);
255 u8 *cmd_data = (u8*)(skb->data);
256 u8 len = *(cmd_data+2);
257
258 switch (*opcode) {
259 case HCI_OP_INQUIRY:
260 printk("HCI_OP_INQUIRY");
261 break;
262 case HCI_OP_INQUIRY_CANCEL:
263 printk("HCI_OP_INQUIRY_CANCEL");
264 break;
265 case HCI_OP_EXIT_PERIODIC_INQ:
266 printk("HCI_OP_EXIT_PERIODIC_INQ");
267 break;
268 case HCI_OP_CREATE_CONN:
269 printk("HCI_OP_CREATE_CONN");
270 break;
271 case HCI_OP_DISCONNECT:
272 printk("HCI_OP_DISCONNECT");
273 break;
274 case HCI_OP_CREATE_CONN_CANCEL:
275 printk("HCI_OP_CREATE_CONN_CANCEL");
276 break;
277 case HCI_OP_ACCEPT_CONN_REQ:
278 printk("HCI_OP_ACCEPT_CONN_REQ");
279 break;
280 case HCI_OP_REJECT_CONN_REQ:
281 printk("HCI_OP_REJECT_CONN_REQ");
282 break;
283 case HCI_OP_AUTH_REQUESTED:
284 printk("HCI_OP_AUTH_REQUESTED");
285 break;
286 case HCI_OP_SET_CONN_ENCRYPT:
287 printk("HCI_OP_SET_CONN_ENCRYPT");
288 break;
289 case HCI_OP_REMOTE_NAME_REQ:
290 printk("HCI_OP_REMOTE_NAME_REQ");
291 break;
292 case HCI_OP_READ_REMOTE_FEATURES:
293 printk("HCI_OP_READ_REMOTE_FEATURES");
294 break;
295 case HCI_OP_SNIFF_MODE:
296 printk("HCI_OP_SNIFF_MODE");
297 break;
298 case HCI_OP_EXIT_SNIFF_MODE:
299 printk("HCI_OP_EXIT_SNIFF_MODE");
300 break;
301 case HCI_OP_SWITCH_ROLE:
302 printk("HCI_OP_SWITCH_ROLE");
303 break;
304 case HCI_OP_SNIFF_SUBRATE:
305 printk("HCI_OP_SNIFF_SUBRATE");
306 break;
307 case HCI_OP_RESET:
308 printk("HCI_OP_RESET");
309 break;
310 case HCI_OP_Write_Extended_Inquiry_Response:
311 printk("HCI_Write_Extended_Inquiry_Response");
312 break;
313
314 default:
315 printk("CMD");
316 break;
317 }
318 printk(":%04x,len:%d,", *opcode,len);
319 for (icount = 3; (icount < wlength) && (icount < 24); icount++)
320 printk("%02x ", *(cmd_data+icount));
321 printk("\n");
322}
323
324static void print_command(struct sk_buff *skb)
325{
326#if PRINT_CMD_EVENT
327 print_error_command(skb);
328#endif
329}
330
331#if CONFIG_BLUEDROID
332/* Global parameters for bt usb char driver */
333#define BT_CHAR_DEVICE_NAME "rtkbt_dev"
334struct mutex btchr_mutex;
335static struct sk_buff_head btchr_readq;
336static wait_queue_head_t btchr_read_wait;
337static wait_queue_head_t bt_dlfw_wait;
338static bool bt_char_dev_registered;
339static dev_t bt_devid; /* bt char device number */
340static struct cdev bt_char_dev; /* bt character device structure */
341static struct class *bt_char_class; /* device class for usb char driver */
342static int bt_reset = 0;
343/* HCI device & lock */
344DEFINE_RWLOCK(hci_dev_lock);
345struct hci_dev *ghdev = NULL;
346
347static void print_event(struct sk_buff *skb)
348{
349#if PRINT_CMD_EVENT
350 uint wlength = skb->len;
351 uint icount = 0;
352 u8 *opcode = (u8*)(skb->data);
353 u8 len = *(opcode+1);
354
355 switch (*opcode) {
356 case HCI_EV_INQUIRY_COMPLETE:
357 printk("HCI_EV_INQUIRY_COMPLETE");
358 break;
359 case HCI_EV_INQUIRY_RESULT:
360 printk("HCI_EV_INQUIRY_RESULT");
361 break;
362 case HCI_EV_CONN_COMPLETE:
363 printk("HCI_EV_CONN_COMPLETE");
364 break;
365 case HCI_EV_CONN_REQUEST:
366 printk("HCI_EV_CONN_REQUEST");
367 break;
368 case HCI_EV_DISCONN_COMPLETE:
369 printk("HCI_EV_DISCONN_COMPLETE");
370 break;
371 case HCI_EV_AUTH_COMPLETE:
372 printk("HCI_EV_AUTH_COMPLETE");
373 break;
374 case HCI_EV_REMOTE_NAME:
375 printk("HCI_EV_REMOTE_NAME");
376 break;
377 case HCI_EV_ENCRYPT_CHANGE:
378 printk("HCI_EV_ENCRYPT_CHANGE");
379 break;
380 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
381 printk("HCI_EV_CHANGE_LINK_KEY_COMPLETE");
382 break;
383 case HCI_EV_REMOTE_FEATURES:
384 printk("HCI_EV_REMOTE_FEATURES");
385 break;
386 case HCI_EV_REMOTE_VERSION:
387 printk("HCI_EV_REMOTE_VERSION");
388 break;
389 case HCI_EV_QOS_SETUP_COMPLETE:
390 printk("HCI_EV_QOS_SETUP_COMPLETE");
391 break;
392 case HCI_EV_CMD_COMPLETE:
393 printk("HCI_EV_CMD_COMPLETE");
394 break;
395 case HCI_EV_CMD_STATUS:
396 printk("HCI_EV_CMD_STATUS");
397 break;
398 case HCI_EV_ROLE_CHANGE:
399 printk("HCI_EV_ROLE_CHANGE");
400 break;
401 case HCI_EV_NUM_COMP_PKTS:
402 printk("HCI_EV_NUM_COMP_PKTS");
403 break;
404 case HCI_EV_MODE_CHANGE:
405 printk("HCI_EV_MODE_CHANGE");
406 break;
407 case HCI_EV_PIN_CODE_REQ:
408 printk("HCI_EV_PIN_CODE_REQ");
409 break;
410 case HCI_EV_LINK_KEY_REQ:
411 printk("HCI_EV_LINK_KEY_REQ");
412 break;
413 case HCI_EV_LINK_KEY_NOTIFY:
414 printk("HCI_EV_LINK_KEY_NOTIFY");
415 break;
416 case HCI_EV_CLOCK_OFFSET:
417 printk("HCI_EV_CLOCK_OFFSET");
418 break;
419 case HCI_EV_PKT_TYPE_CHANGE:
420 printk("HCI_EV_PKT_TYPE_CHANGE");
421 break;
422 case HCI_EV_PSCAN_REP_MODE:
423 printk("HCI_EV_PSCAN_REP_MODE");
424 break;
425 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
426 printk("HCI_EV_INQUIRY_RESULT_WITH_RSSI");
427 break;
428 case HCI_EV_REMOTE_EXT_FEATURES:
429 printk("HCI_EV_REMOTE_EXT_FEATURES");
430 break;
431 case HCI_EV_SYNC_CONN_COMPLETE:
432 printk("HCI_EV_SYNC_CONN_COMPLETE");
433 break;
434 case HCI_EV_SYNC_CONN_CHANGED:
435 printk("HCI_EV_SYNC_CONN_CHANGED");
436 break;
437 case HCI_EV_SNIFF_SUBRATE:
438 printk("HCI_EV_SNIFF_SUBRATE");
439 break;
440 case HCI_EV_EXTENDED_INQUIRY_RESULT:
441 printk("HCI_EV_EXTENDED_INQUIRY_RESULT");
442 break;
443 case HCI_EV_IO_CAPA_REQUEST:
444 printk("HCI_EV_IO_CAPA_REQUEST");
445 break;
446 case HCI_EV_SIMPLE_PAIR_COMPLETE:
447 printk("HCI_EV_SIMPLE_PAIR_COMPLETE");
448 break;
449 case HCI_EV_REMOTE_HOST_FEATURES:
450 printk("HCI_EV_REMOTE_HOST_FEATURES");
451 break;
452 default:
453 printk("event");
454 break;
455 }
456 printk(":%02x,len:%d,", *opcode,len);
457 for (icount = 2; (icount < wlength) && (icount < 24); icount++)
458 printk("%02x ", *(opcode+icount));
459 printk("\n");
460#endif
461}
462
463static inline ssize_t usb_put_user(struct sk_buff *skb,
464 char __user *buf, int count)
465{
466 char __user *ptr = buf;
467 int len = min_t(unsigned int, skb->len, count);
468
469 if (copy_to_user(ptr, skb->data, len))
470 return -EFAULT;
471
472 return len;
473}
474
475static struct sk_buff *rtk_skb_queue[QUEUE_SIZE];
476static int rtk_skb_queue_front = 0;
477static int rtk_skb_queue_rear = 0;
478
479static void rtk_enqueue(struct sk_buff *skb)
480{
481 unsigned long flags;
482 spin_lock_irqsave(&queue_lock, flags);
483 if (rtk_skb_queue_front == (rtk_skb_queue_rear + 1) % QUEUE_SIZE) {
484 /*
485 * If queue is full, current solution is to drop
486 * the following entries.
487 */
488 RTKBT_WARN("%s: Queue is full, entry will be dropped", __func__);
489 } else {
490 rtk_skb_queue[rtk_skb_queue_rear] = skb;
491
492 rtk_skb_queue_rear++;
493 rtk_skb_queue_rear %= QUEUE_SIZE;
494
495 }
496 spin_unlock_irqrestore(&queue_lock, flags);
497}
498
499static struct sk_buff *rtk_dequeue_try(unsigned int deq_len)
500{
501 struct sk_buff *skb;
502 struct sk_buff *skb_copy;
503
504 if (rtk_skb_queue_front == rtk_skb_queue_rear) {
505 RTKBT_WARN("%s: Queue is empty", __func__);
506 return NULL;
507 }
508
509 skb = rtk_skb_queue[rtk_skb_queue_front];
510 if (deq_len >= skb->len) {
511 rtk_skb_queue[rtk_skb_queue_front] = NULL;
512 rtk_skb_queue_front++;
513 rtk_skb_queue_front %= QUEUE_SIZE;
514
515 /*
516 * Return skb addr to be dequeued, and the caller
517 * should free the skb eventually.
518 */
519 return skb;
520 } else {
521 skb_copy = pskb_copy(skb, GFP_ATOMIC);
522 skb_pull(skb, deq_len);
523 /* Return its copy to be freed */
524 return skb_copy;
525 }
526}
527
528static inline int is_queue_empty(void)
529{
530 return (rtk_skb_queue_front == rtk_skb_queue_rear) ? 1 : 0;
531}
532
533static void rtk_clear_queue(void)
534{
535 struct sk_buff *skb;
536 unsigned long flags;
537 spin_lock_irqsave(&queue_lock, flags);
538 while(!is_queue_empty()) {
539 skb = rtk_skb_queue[rtk_skb_queue_front];
540 rtk_skb_queue[rtk_skb_queue_front] = NULL;
541 rtk_skb_queue_front++;
542 rtk_skb_queue_front %= QUEUE_SIZE;
543 if (skb) {
544 kfree_skb(skb);
545 }
546 }
547 spin_unlock_irqrestore(&queue_lock, flags);
548}
549
550/*
551 * Realtek - Integrate from hci_core.c
552 */
553
554/* Get HCI device by index.
555 * Device is held on return. */
556static struct hci_dev *hci_dev_get(int index)
557{
558 if (index != 0)
559 return NULL;
560
561 return ghdev;
562}
563
564/* ---- HCI ioctl helpers ---- */
565static int hci_dev_open(__u16 dev)
566{
567 struct hci_dev *hdev;
568 int ret = 0;
569
570 RTKBT_DBG("%s: dev %d", __func__, dev);
571
572 hdev = hci_dev_get(dev);
573 if (!hdev) {
574 RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
575 return -ENODEV;
576 }
577
578 if (test_bit(HCI_UNREGISTER, &hdev->dev_flags)) {
579 ret = -ENODEV;
580 goto done;
581 }
582
583 if (test_bit(HCI_UP, &hdev->flags)) {
584 ret = -EALREADY;
585 goto done;
586 }
587
588done:
589 return ret;
590}
591
592static int hci_dev_do_close(struct hci_dev *hdev)
593{
594 if (hdev->flush)
595 hdev->flush(hdev);
596 /* After this point our queues are empty
597 * and no tasks are scheduled. */
598 hdev->close(hdev);
599 /* Clear flags */
600 hdev->flags = 0;
601 memset(&hdev->conn_hash, 0, sizeof(struct hci_conn_hash));
602 return 0;
603}
604
605static int hci_dev_close(__u16 dev)
606{
607 struct hci_dev *hdev;
608 int err;
609 hdev = hci_dev_get(dev);
610 if (!hdev) {
611 RTKBT_ERR("%s: failed to get hci dev[Null]", __func__);
612 return -ENODEV;
613 }
614
615 err = hci_dev_do_close(hdev);
616
617 return err;
618}
619
620static struct hci_dev *hci_alloc_dev(void)
621{
622 struct hci_dev *hdev;
623
624 hdev = kzalloc(sizeof(struct hci_dev), GFP_KERNEL);
625 if (!hdev)
626 return NULL;
627
628 return hdev;
629}
630
631/* Free HCI device */
632static void hci_free_dev(struct hci_dev *hdev)
633{
634 kfree(hdev);
635}
636
637/* Register HCI device */
638static int hci_register_dev(struct hci_dev *hdev)
639{
640 int i, id;
641
642 RTKBT_DBG("%s: %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus);
643 /* Do not allow HCI_AMP devices to register at index 0,
644 * so the index can be used as the AMP controller ID.
645 */
646 id = (hdev->dev_type == HCI_BREDR) ? 0 : 1;
647
648 write_lock(&hci_dev_lock);
649
650 sprintf(hdev->name, "hci%d", id);
651 hdev->id = id;
652 hdev->flags = 0;
653 hdev->dev_flags = 0;
654 mutex_init(&hdev->lock);
655
656 RTKBT_DBG("%s: id %d, name %s", __func__, hdev->id, hdev->name);
657
658
659 for (i = 0; i < NUM_REASSEMBLY; i++)
660 hdev->reassembly[i] = NULL;
661
662 memset(&hdev->stat, 0, sizeof(struct hci_dev_stats));
663 atomic_set(&hdev->promisc, 0);
664
665 if (ghdev) {
666 write_unlock(&hci_dev_lock);
667 RTKBT_ERR("%s: Hci device has been registered already", __func__);
668 return -1;
669 } else
670 ghdev = hdev;
671
672 write_unlock(&hci_dev_lock);
673
674 return id;
675}
676
677/* Unregister HCI device */
678static void hci_unregister_dev(struct hci_dev *hdev)
679{
680 int i;
681
682 RTKBT_DBG("%s: hdev %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus);
683 set_bit(HCI_UNREGISTER, &hdev->dev_flags);
684
685 write_lock(&hci_dev_lock);
686 ghdev = NULL;
687 write_unlock(&hci_dev_lock);
688
689 hci_dev_do_close(hdev);
690 for (i = 0; i < NUM_REASSEMBLY; i++)
691 kfree_skb(hdev->reassembly[i]);
692}
693
694
695#ifdef CONFIG_SCO_OVER_HCI
696/* copy data from the URB buffer into the ALSA ring buffer */
697static bool rtk_copy_capture_data_to_alsa(struct btusb_data *data, uint8_t* p_data, unsigned int frames)
698{
699 struct snd_pcm_runtime *runtime;
700 unsigned int frame_bytes, frames1;
701 u8 *dest;
702 RTK_sco_card_t *pSCOSnd = data->pSCOSnd;
703
704 runtime = pSCOSnd->capture.substream->runtime;
705 frame_bytes = 2;
706
707 dest = runtime->dma_area + pSCOSnd->capture.buffer_pos * frame_bytes;
708 if (pSCOSnd->capture.buffer_pos + frames <= runtime->buffer_size) {
709 memcpy(dest, p_data, frames * frame_bytes);
710 } else {
711 /* wrap around at end of ring buffer */
712 frames1 = runtime->buffer_size - pSCOSnd->capture.buffer_pos;
713 memcpy(dest, p_data, frames1 * frame_bytes);
714 memcpy(runtime->dma_area,
715 p_data + frames1 * frame_bytes,
716 (frames - frames1) * frame_bytes);
717 }
718
719 pSCOSnd->capture.buffer_pos += frames;
720 if (pSCOSnd->capture.buffer_pos >= runtime->buffer_size) {
721 pSCOSnd->capture.buffer_pos -= runtime->buffer_size;
722 }
723
724 if((pSCOSnd->capture.buffer_pos%runtime->period_size) == 0) {
725 snd_pcm_period_elapsed(pSCOSnd->capture.substream);
726 }
727
728 return false;
729}
730
731
732static void hci_send_to_alsa_ringbuffer(struct hci_dev *hdev, struct sk_buff *skb)
733{
734 struct btusb_data *data = GET_DRV_DATA(hdev);
735 RTK_sco_card_t *pSCOSnd = data->pSCOSnd;
736 uint8_t* p_data;
737 int sco_length = skb->len - HCI_SCO_HDR_SIZE;
738
739 RTKBT_DBG("%s", __func__);
740
741 if (!hdev) {
742 RTKBT_ERR("%s: Frame for unknown HCI device", __func__);
743 return;
744 }
745
746 if (!test_bit(ALSA_CAPTURE_RUNNING, &pSCOSnd->states)) {
747 //RTKBT_WARN("%s: ALSA is not running", __func__);
748 return;
749 }
750
751 p_data = (uint8_t *)skb->data + HCI_SCO_HDR_SIZE;
752 rtk_copy_capture_data_to_alsa(data, p_data, sco_length/2);
753}
754
755#endif
756
757static void hci_send_to_stack(struct hci_dev *hdev, struct sk_buff *skb)
758{
759 struct sk_buff *rtk_skb_copy = NULL;
760
761 RTKBT_DBG("%s", __func__);
762
763 if (!hdev) {
764 RTKBT_ERR("%s: Frame for unknown HCI device", __func__);
765 return;
766 }
767
768 if (!test_bit(HCI_RUNNING, &hdev->flags)) {
769 RTKBT_ERR("%s: HCI not running", __func__);
770 return;
771 }
772
773 rtk_skb_copy = pskb_copy(skb, GFP_ATOMIC);
774 if (!rtk_skb_copy) {
775 RTKBT_ERR("%s: Copy skb error", __func__);
776 return;
777 }
778
779 memcpy(skb_push(rtk_skb_copy, 1), &bt_cb(skb)->pkt_type, 1);
780 rtk_enqueue(rtk_skb_copy);
781
782 /* Make sure bt char device existing before wakeup read queue */
783 hdev = hci_dev_get(0);
784 if (hdev) {
785 RTKBT_DBG("%s: Try to wakeup read queue", __func__);
786 wake_up_interruptible(&btchr_read_wait);
787 }
788
789 return;
790}
791
792/* Receive frame from HCI drivers */
793static int hci_recv_frame(struct sk_buff *skb)
794{
795 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
796
797 if (!hdev ||
798 (!test_bit(HCI_UP, &hdev->flags) && !test_bit(HCI_INIT, &hdev->flags))) {
799 kfree_skb(skb);
800 return -ENXIO;
801 }
802
803 /* Incomming skb */
804 bt_cb(skb)->incoming = 1;
805
806 /* Time stamp */
807 __net_timestamp(skb);
808
809 if (atomic_read(&hdev->promisc)) {
810#ifdef CONFIG_SCO_OVER_HCI
811 if(bt_cb(skb)->pkt_type == HCI_SCODATA_PKT)
812 hci_send_to_alsa_ringbuffer(hdev, skb);
813#endif
814 /* Send copy to the sockets */
815 hci_send_to_stack(hdev, skb);
816 }
817
818 kfree_skb(skb);
819 return 0;
820}
821
822/* Receive frame from HCI drivers */
823static int hci_recv_sco_frame(struct sk_buff *skb)
824{
825 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
826
827 if (!hdev ||
828 (!test_bit(HCI_UP, &hdev->flags) && !test_bit(HCI_INIT, &hdev->flags))) {
829 kfree_skb(skb);
830 return -ENXIO;
831 }
832
833 /* Incomming skb */
834 bt_cb(skb)->incoming = 1;
835
836 /* Time stamp */
837 __net_timestamp(skb);
838
839 if (atomic_read(&hdev->promisc)) {
840#ifdef CONFIG_SCO_OVER_HCI
841 if(bt_cb(skb)->pkt_type == HCI_SCODATA_PKT)
842 hci_send_to_alsa_ringbuffer(hdev, skb);
843#endif
844 /* Send copy to the sockets */
845 hci_send_to_stack(hdev, skb);
846 }
847
848 kfree_skb(skb);
849 return 0;
850}
851
852static int hci_reassembly(struct hci_dev *hdev, int type, void *data,
853 int count, __u8 index)
854{
855 int len = 0;
856 int hlen = 0;
857 int remain = count;
858 struct sk_buff *skb;
859 struct bt_skb_cb *scb;
860
861 RTKBT_DBG("%s", __func__);
862
863 if ((type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT) ||
864 index >= NUM_REASSEMBLY)
865 return -EILSEQ;
866
867 skb = hdev->reassembly[index];
868
869 if (!skb) {
870 switch (type) {
871 case HCI_ACLDATA_PKT:
872 len = HCI_MAX_FRAME_SIZE;
873 hlen = HCI_ACL_HDR_SIZE;
874 break;
875 case HCI_EVENT_PKT:
876 len = HCI_MAX_EVENT_SIZE;
877 hlen = HCI_EVENT_HDR_SIZE;
878 break;
879 case HCI_SCODATA_PKT:
880 len = HCI_MAX_SCO_SIZE;
881 hlen = HCI_SCO_HDR_SIZE;
882 break;
883 }
884
885 skb = bt_skb_alloc(len, GFP_ATOMIC);
886 if (!skb)
887 return -ENOMEM;
888
889 scb = (void *) skb->cb;
890 scb->expect = hlen;
891 scb->pkt_type = type;
892
893 skb->dev = (void *) hdev;
894 hdev->reassembly[index] = skb;
895
896 }
897
898 while (count) {
899 scb = (void *) skb->cb;
900 len = min_t(uint, scb->expect, count);
901
902 memcpy(skb_put(skb, len), data, len);
903
904 count -= len;
905 data += len;
906 scb->expect -= len;
907 remain = count;
908
909 switch (type) {
910 case HCI_EVENT_PKT:
911 if (skb->len == HCI_EVENT_HDR_SIZE) {
912 struct hci_event_hdr *h = hci_event_hdr(skb);
913 scb->expect = h->plen;
914
915 if (skb_tailroom(skb) < scb->expect) {
916 kfree_skb(skb);
917 hdev->reassembly[index] = NULL;
918 return -ENOMEM;
919 }
920 }
921 break;
922
923 case HCI_ACLDATA_PKT:
924 if (skb->len == HCI_ACL_HDR_SIZE) {
925 struct hci_acl_hdr *h = hci_acl_hdr(skb);
926 scb->expect = __le16_to_cpu(h->dlen);
927
928 if (skb_tailroom(skb) < scb->expect) {
929 kfree_skb(skb);
930 hdev->reassembly[index] = NULL;
931 return -ENOMEM;
932 }
933 }
934 break;
935
936 case HCI_SCODATA_PKT:
937 if (skb->len == HCI_SCO_HDR_SIZE) {
938 struct hci_sco_hdr *h = hci_sco_hdr(skb);
939 scb->expect = h->dlen;
940
941 if (skb_tailroom(skb) < scb->expect) {
942 kfree_skb(skb);
943 hdev->reassembly[index] = NULL;
944 return -ENOMEM;
945 }
946 }
947 break;
948 }
949
950 if (scb->expect == 0) {
951 /* Complete frame */
952 if(HCI_ACLDATA_PKT == type)
953 print_acl(skb,0);
954 if(HCI_SCODATA_PKT == type)
955 print_sco(skb,0);
956 if(HCI_EVENT_PKT == type)
957 print_event(skb);
958
959 bt_cb(skb)->pkt_type = type;
960 if(type == HCI_SCODATA_PKT) {
961 hci_recv_sco_frame(skb);
962 }
963 else
964 hci_recv_frame(skb);
965
966 hdev->reassembly[index] = NULL;
967 return remain;
968 }
969 }
970
971 return remain;
972}
973
974static int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)
975{
976 int rem = 0;
977
978 if (type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT)
979 return -EILSEQ;
980
981 while (count) {
982 rem = hci_reassembly(hdev, type, data, count, type - 1);
983 if (rem < 0)
984 return rem;
985
986 data += (count - rem);
987 count = rem;
988 }
989
990 return rem;
991}
992
993void hci_hardware_error(void)
994{
995 struct sk_buff *rtk_skb_copy = NULL;
996 int len = 4;
997 uint8_t hardware_err_pkt[4] = {HCI_EVENT_PKT, 0x10, 0x01, HCI_VENDOR_USB_DISC_HARDWARE_ERROR};
998
999 rtk_skb_copy = alloc_skb(len, GFP_ATOMIC);
1000 if (!rtk_skb_copy) {
1001 RTKBT_ERR("%s: Failed to allocate mem", __func__);
1002 return;
1003 }
1004
1005 memcpy(skb_put(rtk_skb_copy, len), hardware_err_pkt, len);
1006 rtk_enqueue(rtk_skb_copy);
1007
1008 wake_up_interruptible(&btchr_read_wait);
1009}
1010
1011static int btchr_open(struct inode *inode_p, struct file *file_p)
1012{
1013 struct btusb_data *data;
1014 struct hci_dev *hdev;
1015 struct sk_buff *skb;
1016 int i;
1017
1018 RTKBT_INFO("%s: BT usb char device is opening", __func__);
1019 /* Not open unless wanna tracing log */
1020 /* trace_printk("%s: open....\n", __func__); */
1021
1022 hdev = hci_dev_get(0);
1023 if (!hdev) {
1024 RTKBT_ERR("%s: Failed to get hci dev[NULL]", __func__);
1025 return -ENODEV;
1026 }
1027 data = GET_DRV_DATA(hdev);
1028
1029 atomic_inc(&hdev->promisc);
1030 /*
1031 * As bt device is not re-opened when hotplugged out, we cannot
1032 * trust on file's private data(may be null) when other file ops
1033 * are invoked.
1034 */
1035 file_p->private_data = data;
1036
1037 mutex_lock(&btchr_mutex);
1038 hci_dev_open(0);
1039 mutex_unlock(&btchr_mutex);
1040
1041 rtk_clear_queue();
1042 for(i = 0; i < NUM_REASSEMBLY; i++) {
1043 skb = hdev->reassembly[i];
1044 if(skb) {
1045 hdev->reassembly[i] = NULL;
1046 kfree_skb(skb);
1047 }
1048 }
1049 return nonseekable_open(inode_p, file_p);
1050}
1051
1052static int btchr_close(struct inode *inode_p, struct file *file_p)
1053{
1054 struct btusb_data *data;
1055 struct hci_dev *hdev;
1056
1057 RTKBT_INFO("%s: BT usb char device is closing", __func__);
1058 /* Not open unless wanna tracing log */
1059 /* trace_printk("%s: close....\n", __func__); */
1060
1061 data = file_p->private_data;
1062 file_p->private_data = NULL;
1063
1064#if CONFIG_BLUEDROID
1065 /*
1066 * If the upper layer closes bt char interfaces, no reset
1067 * action required even bt device hotplugged out.
1068 */
1069 bt_reset = 0;
1070#endif
1071
1072 hdev = hci_dev_get(0);
1073 if (hdev) {
1074 atomic_set(&hdev->promisc, 0);
1075 mutex_lock(&btchr_mutex);
1076 hci_dev_close(0);
1077 mutex_unlock(&btchr_mutex);
1078 }
1079
1080 return 0;
1081}
1082
1083static ssize_t btchr_read(struct file *file_p,
1084 char __user *buf_p,
1085 size_t count,
1086 loff_t *pos_p)
1087{
1088 struct hci_dev *hdev;
1089 struct sk_buff *skb;
1090 ssize_t ret = 0;
1091
1092 RTKBT_DBG("%s: BT usb char device is reading", __func__);
1093
1094 while (count) {
1095 hdev = hci_dev_get(0);
1096 if (!hdev) {
1097 /*
1098 * Note: Only when BT device hotplugged out, we wil get
1099 * into such situation. In order to keep the upper layer
1100 * stack alive (blocking the read), we should never return
1101 * EFAULT or break the loop.
1102 */
1103 RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
1104 }
1105
1106 ret = wait_event_interruptible(btchr_read_wait, !is_queue_empty());
1107 if (ret < 0) {
1108 //RTKBT_ERR("%s: wait event is signaled %d", __func__, ret);
1109 break;
1110 }
1111
1112 skb = rtk_dequeue_try(count);
1113 if (skb) {
1114 ret = usb_put_user(skb, buf_p, count);
1115 if (ret < 0)
1116 RTKBT_ERR("%s: Failed to put data to user space", __func__);
1117 kfree_skb(skb);
1118 break;
1119 }
1120 }
1121
1122 return ret;
1123}
1124
1125static ssize_t btchr_write(struct file *file_p,
1126 const char __user *buf_p,
1127 size_t count,
1128 loff_t *pos_p)
1129{
1130 struct btusb_data *data = file_p->private_data;
1131 struct hci_dev *hdev;
1132 struct sk_buff *skb;
1133
1134 RTKBT_DBG("%s: BT usb char device is writing", __func__);
1135
1136 hdev = hci_dev_get(0);
1137 if (!hdev) {
1138 RTKBT_WARN("%s: Failed to get hci dev[Null]", __func__);
1139 /*
1140 * Note: we bypass the data from the upper layer if bt device
1141 * is hotplugged out. Fortunatelly, H4 or H5 HCI stack does
1142 * NOT check btchr_write's return value. However, returning
1143 * count instead of EFAULT is preferable.
1144 */
1145 /* return -EFAULT; */
1146 return count;
1147 }
1148
1149 /* Never trust on btusb_data, as bt device may be hotplugged out */
1150 data = GET_DRV_DATA(hdev);
1151 if (!data) {
1152 RTKBT_WARN("%s: Failed to get bt usb driver data[Null]", __func__);
1153 return count;
1154 }
1155
1156 if (count > HCI_MAX_FRAME_SIZE)
1157 return -EINVAL;
1158
1159 skb = bt_skb_alloc(count, GFP_ATOMIC);
1160 if (!skb)
1161 return -ENOMEM;
1162 skb_reserve(skb, -1); // Add this line
1163
1164 if (copy_from_user(skb_put(skb, count), buf_p, count)) {
1165 RTKBT_ERR("%s: Failed to get data from user space", __func__);
1166 kfree_skb(skb);
1167 return -EFAULT;
1168 }
1169
1170 skb->dev = (void *)hdev;
1171 bt_cb(skb)->pkt_type = *((__u8 *)skb->data);
1172 skb_pull(skb, 1);
1173 data->hdev->send(skb);
1174
1175 return count;
1176}
1177
1178static unsigned int btchr_poll(struct file *file_p, poll_table *wait)
1179{
1180 struct btusb_data *data = file_p->private_data;
1181 struct hci_dev *hdev;
1182
1183 RTKBT_DBG("%s: BT usb char device is polling", __func__);
1184
1185 if(!bt_char_dev_registered) {
1186 RTKBT_ERR("%s: char device has not registered!", __func__);
1187 return POLLERR | POLLHUP;
1188 }
1189
1190 poll_wait(file_p, &btchr_read_wait, wait);
1191
1192 hdev = hci_dev_get(0);
1193 if (!hdev) {
1194 RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
1195 mdelay(URB_CANCELING_DELAY_MS);
1196 return POLLOUT | POLLWRNORM;
1197 }
1198
1199 /* Never trust on btusb_data, as bt device may be hotplugged out */
1200 data = GET_DRV_DATA(hdev);
1201 if (!data) {
1202 /*
1203 * When bt device is hotplugged out, btusb_data will
1204 * be freed in disconnect.
1205 */
1206 RTKBT_ERR("%s: Failed to get bt usb driver data[Null]", __func__);
1207 mdelay(URB_CANCELING_DELAY_MS);
1208 return POLLOUT | POLLWRNORM;
1209 }
1210
1211 if (!is_queue_empty())
1212 return POLLIN | POLLRDNORM;
1213
1214 return POLLOUT | POLLWRNORM;
1215}
1216static long btchr_ioctl(struct file *file_p, unsigned int cmd, unsigned long arg){
1217 int ret = 0;
1218 struct hci_dev *hdev;
1219 struct btusb_data *data;
1220 firmware_info *fw_info;
1221
1222 if(!bt_char_dev_registered) {
1223 return -ENODEV;
1224 }
1225
1226 if(check_set_dlfw_state_value(1) != 1) {
1227 RTKBT_ERR("%s bt controller is disconnecting!", __func__);
1228 return 0;
1229 }
1230
1231 hdev = hci_dev_get(0);
1232 if(!hdev) {
1233 RTKBT_ERR("%s device is NULL!", __func__);
1234 set_dlfw_state_value(0);
1235 return 0;
1236 }
1237 data = GET_DRV_DATA(hdev);
1238 fw_info = data->fw_info;
1239
1240 RTKBT_INFO(" btchr_ioctl DOWN_FW_CFG with Cmd:%d",cmd);
1241 switch (cmd) {
1242 case DOWN_FW_CFG:
1243 ret = usb_autopm_get_interface(data->intf);
1244 if (ret < 0){
1245 goto failed;
1246 }
1247
1248 ret = download_patch(fw_info,1);
1249 usb_autopm_put_interface(data->intf);
1250 if(ret < 0){
1251 RTKBT_ERR("%s:Failed in download_patch with ret:%d",__func__,ret);
1252 goto failed;
1253 }
1254
1255 ret = hdev->open(hdev);
1256 if(ret < 0){
1257 RTKBT_ERR("%s:Failed in hdev->open(hdev):%d",__func__,ret);
1258 goto failed;
1259 }
1260 set_bit(HCI_UP, &hdev->flags);
1261 set_dlfw_state_value(0);
1262 wake_up_interruptible(&bt_dlfw_wait);
1263 return 1;
1264
1265#ifdef CONFIG_SCO_OVER_HCI
1266 case SET_ISO_CFG:
1267 if(get_user(hdev->voice_setting, (__u16 __user*)arg)) {
1268 ret = -EFAULT;
1269 }
1270 RTKBT_INFO(" voice settings = 0x%04x", hdev->voice_setting);
1271 return ret;
1272#endif
1273
1274 case GET_USB_INFO:
1275 ret = hdev->open(hdev);
1276 if(ret < 0){
1277 RTKBT_ERR("%s:Failed in hdev->open(hdev):%d",__func__,ret);
1278 //goto done;
1279 }
1280 set_bit(HCI_UP, &hdev->flags);
1281 return usb_info;
1282 case RESET_CONTROLLER:
1283 reset_controller(fw_info);
1284 return 1;
1285
1286 case DWFW_CMPLT:
1287 set_dlfw_state_value(0);
1288 wake_up_interruptible(&bt_dlfw_wait);
1289 return 1;
1290
1291#ifdef CONFIG_SCO_OVER_HCI
1292 case SET_ISO_CFG:
1293 hdev->voice_setting = *(__u16 *)arg;
1294 RTKBT_INFO(" voice settings = 0x%04x", hdev->voice_setting);
1295 return 1;
1296#endif
1297 default:
1298 RTKBT_ERR("%s:Failed with wrong Cmd:%d",__func__,cmd);
1299 goto failed;
1300 }
1301 failed:
1302 set_dlfw_state_value(0);
1303 wake_up_interruptible(&bt_dlfw_wait);
1304 return ret;
1305
1306}
1307
1308
1309
1310static struct file_operations bt_chrdev_ops = {
1311 open : btchr_open,
1312 release : btchr_close,
1313 read : btchr_read,
1314 write : btchr_write,
1315 poll : btchr_poll,
1316 unlocked_ioctl : btchr_ioctl,
1317};
1318
1319static int btchr_init(void)
1320{
1321 int res = 0;
1322 struct device *dev;
1323
1324 RTKBT_INFO("Register usb char device interface for BT driver");
1325 /*
1326 * btchr mutex is used to sync between
1327 * 1) downloading patch and opening bt char driver
1328 * 2) the file operations of bt char driver
1329 */
1330 mutex_init(&btchr_mutex);
1331
1332 skb_queue_head_init(&btchr_readq);
1333 init_waitqueue_head(&btchr_read_wait);
1334 init_waitqueue_head(&bt_dlfw_wait);
1335
1336 bt_char_class = class_create(THIS_MODULE, BT_CHAR_DEVICE_NAME);
1337 if (IS_ERR(bt_char_class)) {
1338 RTKBT_ERR("Failed to create bt char class");
1339 return PTR_ERR(bt_char_class);
1340 }
1341
1342 res = alloc_chrdev_region(&bt_devid, 0, 1, BT_CHAR_DEVICE_NAME);
1343 if (res < 0) {
1344 RTKBT_ERR("Failed to allocate bt char device");
1345 goto err_alloc;
1346 }
1347
1348 dev = device_create(bt_char_class, NULL, bt_devid, NULL, BT_CHAR_DEVICE_NAME);
1349 if (IS_ERR(dev)) {
1350 RTKBT_ERR("Failed to create bt char device");
1351 res = PTR_ERR(dev);
1352 goto err_create;
1353 }
1354
1355 cdev_init(&bt_char_dev, &bt_chrdev_ops);
1356 res = cdev_add(&bt_char_dev, bt_devid, 1);
1357 if (res < 0) {
1358 RTKBT_ERR("Failed to add bt char device");
1359 goto err_add;
1360 }
1361
1362 return 0;
1363
1364err_add:
1365 device_destroy(bt_char_class, bt_devid);
1366err_create:
1367 unregister_chrdev_region(bt_devid, 1);
1368err_alloc:
1369 class_destroy(bt_char_class);
1370 return res;
1371}
1372
1373static void btchr_exit(void)
1374{
1375 RTKBT_INFO("Unregister usb char device interface for BT driver");
1376
1377 device_destroy(bt_char_class, bt_devid);
1378 cdev_del(&bt_char_dev);
1379 unregister_chrdev_region(bt_devid, 1);
1380 class_destroy(bt_char_class);
1381
1382 return;
1383}
1384#endif
1385
1386int send_hci_cmd(firmware_info *fw_info)
1387{
1388 int i = 0;
1389 int ret_val = -1;
1390 while((ret_val<0)&&(i++<10))
1391 {
1392 ret_val = usb_control_msg(
1393 fw_info->udev, fw_info->pipe_out,
1394 0, USB_TYPE_CLASS, 0, 0,
1395 (void *)(fw_info->send_pkt),
1396 fw_info->pkt_len, MSG_TO);
1397 }
1398 return ret_val;
1399}
1400
1401int rcv_hci_evt(firmware_info *fw_info)
1402{
1403 int ret_len = 0, ret_val = 0;
1404 int i;
1405
1406 while (1) {
1407 for(i = 0; i < 5; i++) {
1408 ret_val = usb_interrupt_msg(
1409 fw_info->udev, fw_info->pipe_in,
1410 (void *)(fw_info->rcv_pkt), PKT_LEN,
1411 &ret_len, MSG_TO);
1412 if (ret_val >= 0)
1413 break;
1414 }
1415
1416 if (ret_val < 0)
1417 return ret_val;
1418
1419 if (CMD_CMP_EVT == fw_info->evt_hdr->evt) {
1420 if (fw_info->cmd_hdr->opcode == fw_info->cmd_cmp->opcode)
1421 return ret_len;
1422 }
1423 }
1424}
1425
1426int set_bt_onoff(firmware_info *fw_info, uint8_t onoff)
1427{
1428 patch_info *patch_entry;
1429 int ret_val;
1430
1431 RTKBT_INFO("%s: %s", __func__, onoff != 0 ? "on" : "off");
1432
1433 patch_entry = fw_info->patch_entry;
1434 if (!patch_entry)
1435 return -1;
1436
1437 fw_info->cmd_hdr->opcode = cpu_to_le16(BTOFF_OPCODE);
1438 fw_info->cmd_hdr->plen = 1;
1439 fw_info->pkt_len = CMD_HDR_LEN + 1;
1440 fw_info->send_pkt[CMD_HDR_LEN] = onoff;
1441
1442 ret_val = send_hci_cmd(fw_info);
1443 if (ret_val < 0) {
1444 RTKBT_ERR("%s: Failed to send bt %s cmd, errno %d",
1445 __func__, onoff != 0 ? "on" : "off", ret_val);
1446 return ret_val;
1447 }
1448
1449 ret_val = rcv_hci_evt(fw_info);
1450 if (ret_val < 0) {
1451 RTKBT_ERR("%s: Failed to receive bt %s event, errno %d",
1452 __func__, onoff != 0 ? "on" : "off", ret_val);
1453 return ret_val;
1454 }
1455
1456 return ret_val;
1457}
1458
1459static patch_info *get_fw_table_entry(struct usb_device* udev)
1460{
1461 patch_info *patch_entry = fw_patch_table;
1462 uint16_t vid = le16_to_cpu(udev->descriptor.idVendor);
1463 uint16_t pid = le16_to_cpu(udev->descriptor.idProduct);
1464 uint32_t entry_size = sizeof(fw_patch_table) / sizeof(fw_patch_table[0]);
1465 uint32_t i;
1466
1467 RTKBT_INFO("%s: Product id = 0x%04x, fw table entry size %d", __func__, pid, entry_size);
1468 usb_info = (uint32_t)(vid<<16) | pid;
1469
1470 for (i = 0; i < entry_size; i++, patch_entry++) {
1471 if ((vid == patch_entry->vid)&&(pid == patch_entry->pid))
1472 break;
1473 }
1474
1475 if (i == entry_size) {
1476 RTKBT_ERR("%s: No fw table entry found", __func__);
1477 return NULL;
1478 }
1479
1480 return patch_entry;
1481}
1482
1483#if SUSPNED_DW_FW
1484static patch_info *get_suspend_fw_table_entry(struct usb_device* udev)
1485{
1486 patch_info *patch_entry = fw_patch_table;
1487 patch_info *patch_entry_real = NULL;
1488 uint16_t vid = le16_to_cpu(udev->descriptor.idVendor);
1489 uint16_t pid = le16_to_cpu(udev->descriptor.idProduct);
1490 uint32_t entry_size = sizeof(fw_patch_table) / sizeof(fw_patch_table[0]);
1491 uint32_t i;
1492
1493 RTKBT_INFO("%s: Product id = 0x%04x, fw table entry size %d", __func__, pid, entry_size);
1494
1495 for (i = 0; i < entry_size; i++, patch_entry++) {
1496 if ((vid == patch_entry->vid)&&(pid == patch_entry->pid))
1497 break;
1498 }
1499
1500 if (i == entry_size) {
1501 RTKBT_ERR("%s: No fw table entry found", __func__);
1502 return NULL;
1503 }
1504 patch_entry_real = kmalloc(sizeof(fw_patch_table[0]), GFP_KERNEL);
1505 if(!patch_entry_real)
1506 return NULL;
1507 memcpy(patch_entry_real, patch_entry, sizeof(fw_patch_table[0]));
1508 return patch_entry_real;
1509}
1510#endif
1511
1512static struct rtk_epatch_entry *get_fw_patch_entry(struct rtk_epatch *epatch_info, uint16_t eco_ver)
1513{
1514 int patch_num = epatch_info->number_of_total_patch;
1515 uint8_t *epatch_buf = (uint8_t *)epatch_info;
1516 struct rtk_epatch_entry *p_entry = NULL;
1517 int coex_date;
1518 int coex_ver;
1519 int i;
1520
1521 for (i = 0; i < patch_num; i++) {
1522 if (*(uint16_t *)(epatch_buf + 14 + 2*i) == eco_ver + 1) {
1523 p_entry = kzalloc(sizeof(*p_entry), GFP_KERNEL);
1524 if (!p_entry) {
1525 RTKBT_ERR("%s: Failed to allocate mem for patch entry", __func__);
1526 return NULL;
1527 }
1528 p_entry->chip_id = eco_ver + 1;
1529 p_entry->patch_length = *(uint16_t*)(epatch_buf + 14 + 2*patch_num + 2*i);
1530 p_entry->start_offset = *(uint32_t*)(epatch_buf + 14 + 4*patch_num + 4*i);
1531 p_entry->coex_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 12);
1532 p_entry->svn_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 8);
1533 p_entry->fw_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 4);
1534
1535 coex_date = ((p_entry->coex_version >> 16) & 0x7ff) + ((p_entry->coex_version >> 27) * 10000);
1536 coex_ver = p_entry->coex_version & 0xffff;
1537
1538 RTKBT_INFO("BTCOEX:20%06d-0x%04x svn version:0x%08x fw version:0x%08x rtk_btusb version:%s Cut:%d, patch length:0x%04x, patch offset:0x%08x\n", \
1539 coex_date, coex_ver, p_entry->svn_version, p_entry->fw_version, VERSION, p_entry->chip_id, p_entry->patch_length, p_entry->start_offset);
1540 break;
1541 }
1542 }
1543
1544 return p_entry;
1545}
1546
1547/*reset_controller is aimed to reset_bt_fw before updata Fw patch*/
1548int reset_controller(firmware_info* fw_info)
1549{
1550 int ret_val;
1551 RTKBT_ERR("reset_controller");
1552
1553 if (!fw_info)
1554 return -ENODEV;
1555
1556 fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_FORCE_RESET_AND_PATCHABLE);
1557 fw_info->cmd_hdr->plen = 0;
1558 fw_info->pkt_len = CMD_HDR_LEN;
1559 ret_val = send_hci_cmd(fw_info);
1560
1561 if (ret_val < 0) {
1562 RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
1563 __func__, fw_info->cmd_hdr->opcode, ret_val);
1564 return ret_val;
1565 }
1566
1567 //sleep 1s for firmware reset.
1568 msleep(1000);
1569 RTKBT_INFO("%s: Wait fw reset for 1000ms",__func__);
1570
1571 return ret_val;
1572}
1573/*reset_controller is aimed to reset_bt_fw before updata Fw patch*/
1574
1575/*
1576 * check the return value
1577 * 1: need to download fw patch
1578 * 0: no need to download fw patch
1579 * <0: failed to check lmp version
1580 */
1581int check_fw_version(firmware_info* fw_info, bool resume_check)
1582{
1583 struct hci_rp_read_local_version *read_ver_rsp;
1584 patch_info *patch_entry = NULL;
1585 int ret_val = -1, i, ret_len = 0;
1586 struct sk_buff *rtk_skb_copy = NULL;
1587 unsigned char pkt_type = HCI_EVENT_PKT;
1588
1589 fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_OP_READ_LOCAL_VERSION);
1590 fw_info->cmd_hdr->plen = 0;
1591 fw_info->pkt_len = CMD_HDR_LEN;
1592
1593 ret_val = send_hci_cmd(fw_info);
1594 if (ret_val < 0) {
1595 RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
1596 __func__, fw_info->cmd_hdr->opcode, ret_val);
1597 return ret_val;
1598 }
1599
1600 while (1) {
1601 for(i = 0; i < 5; i++) {
1602 ret_val = usb_interrupt_msg(
1603 fw_info->udev, fw_info->pipe_in,
1604 (void *)(fw_info->rcv_pkt), PKT_LEN,
1605 &ret_len, MSG_TO);
1606 if (ret_val >= 0)
1607 break;
1608 }
1609
1610 if (ret_val < 0) {
1611 RTKBT_ERR("%s: Failed to receive hci event, errno %d",
1612 __func__, ret_val);
1613 return ret_val;
1614 }
1615
1616 if ((CMD_CMP_EVT == fw_info->evt_hdr->evt) &&
1617 (fw_info->cmd_hdr->opcode == fw_info->cmd_cmp->opcode)) {
1618 break;
1619 }
1620 else if(resume_check) {
1621 rtk_skb_copy = bt_skb_alloc((ret_len), GFP_ATOMIC);
1622 if (!rtk_skb_copy) {
1623 RTKBT_ERR("%s: Failed to allocate mem", __func__);
1624 return 2;
1625 }
1626
1627 memcpy(skb_put(rtk_skb_copy, ret_len), fw_info->rcv_pkt, ret_len);
1628 memcpy(skb_push(rtk_skb_copy, 1), &pkt_type, 1);
1629 rtk_enqueue(rtk_skb_copy);
1630
1631 rtk_skb_copy = NULL;
1632 wake_up_interruptible(&btchr_read_wait);
1633 }
1634 }
1635
1636 patch_entry = fw_info->patch_entry;
1637 read_ver_rsp = (struct hci_rp_read_local_version *)(fw_info->rsp_para);
1638
1639 RTKBT_INFO("%s: Controller lmp = 0x%04x, patch lmp = 0x%04x, default patch lmp = 0x%04x",
1640 __func__, read_ver_rsp->lmp_subver, patch_entry->lmp_sub, patch_entry->lmp_sub_default);
1641
1642 if (read_ver_rsp->lmp_subver == patch_entry->lmp_sub_default) {
1643 RTKBT_INFO("%s: Cold BT controller startup", __func__);
1644
1645 return 2;
1646
1647 } else if (read_ver_rsp->lmp_subver != patch_entry->lmp_sub) {
1648 RTKBT_INFO("%s: Warm BT controller startup with updated lmp", __func__);
1649 return 1;
1650 } else {
1651 RTKBT_INFO("%s: Warm BT controller startup with same lmp", __func__);
1652 return 0;
1653 }
1654}
1655
1656#if SET_WAKEUP_DEVICE
1657int set_wakeup_device(firmware_info* fw_info, uint8_t* wakeup_bdaddr)
1658{
1659 struct rtk_eversion_evt *ever_evt;
1660 int ret_val;
1661
1662 if (!fw_info)
1663 return -ENODEV;
1664
1665 fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_ADD_WAKE_UP_DEVICE);
1666 fw_info->cmd_hdr->plen = 7;
1667 memcpy(fw_info->req_para, wakeup_bdaddr, 7);
1668 fw_info->pkt_len = CMD_HDR_LEN + 7;
1669
1670 ret_val = send_hci_cmd(fw_info);
1671 if (ret_val < 0) {
1672 RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d\n",
1673 __func__, fw_info->cmd_hdr->opcode, ret_val);
1674 return ret_val;
1675 }
1676
1677 ret_val = rcv_hci_evt(fw_info);
1678 if (ret_val < 0) {
1679 RTKBT_ERR("%s: Failed to receive hci event, errno %d\n",__func__, ret_val);
1680 return ret_val;
1681 }
1682
1683 ever_evt = (struct rtk_eversion_evt *)(fw_info->rsp_para);
1684
1685 RTKBT_DBG("%s: status %d, eversion %d", __func__, ever_evt->status, ever_evt->version);
1686 return ret_val;
1687}
1688#endif
1689
1690/*reset_channel to recover the communication between wifi 8192eu with 8761 bt controller in case of geteversion error*/
1691
1692int reset_channel(firmware_info* fw_info)
1693{
1694 struct rtk_reset_evt *ever_evt;
1695 int ret_val;
1696
1697 if (!fw_info)
1698 return -ENODEV;
1699
1700 fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_RESET);
1701 fw_info->cmd_hdr->plen = 0;
1702 fw_info->pkt_len = CMD_HDR_LEN;
1703
1704 ret_val = send_hci_cmd(fw_info);
1705 if (ret_val < 0) {
1706 RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
1707 __func__, fw_info->cmd_hdr->opcode, ret_val);
1708 return ret_val;
1709 }
1710
1711 ret_val = rcv_hci_evt(fw_info);
1712 if (ret_val < 0) {
1713 RTKBT_ERR("%s: Failed to receive hci event, errno %d",
1714 __func__, ret_val);
1715 return ret_val;
1716 }
1717
1718 ever_evt = (struct rtk_reset_evt *)(fw_info->rsp_para);
1719
1720 RTKBT_INFO("%s: status %d ", __func__, ever_evt->status);
1721
1722 //sleep 300ms for channel reset.
1723 msleep(300);
1724 RTKBT_INFO("%s: Wait channel reset for 300ms",__func__);
1725
1726 return ret_val;
1727}
1728
1729int read_localversion(firmware_info* fw_info)
1730{
1731 struct rtk_localversion_evt *ever_evt;
1732 int ret_val;
1733
1734 if (!fw_info)
1735 return -ENODEV;
1736
1737 fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_READ_LMP_VERISION);
1738 fw_info->cmd_hdr->plen = 0;
1739 fw_info->pkt_len = CMD_HDR_LEN;
1740
1741 ret_val = send_hci_cmd(fw_info);
1742 if (ret_val < 0) {
1743 RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
1744 __func__, fw_info->cmd_hdr->opcode, ret_val);
1745 return ret_val;
1746 }
1747
1748 ret_val = rcv_hci_evt(fw_info);
1749 if (ret_val < 0) {
1750 RTKBT_ERR("%s: Failed to receive hci event, errno %d",
1751 __func__, ret_val);
1752 return ret_val;
1753 }
1754
1755 ever_evt = (struct rtk_localversion_evt *)(fw_info->rsp_para);
1756
1757 RTKBT_INFO("%s: status %d ", __func__, ever_evt->status);
1758 RTKBT_INFO("%s: hci_version %d ", __func__, ever_evt->hci_version);
1759 RTKBT_INFO("%s: hci_revision %d ", __func__, ever_evt->hci_revision);
1760 RTKBT_INFO("%s: lmp_version %d ", __func__, ever_evt->lmp_version);
1761 RTKBT_INFO("%s: lmp_subversion %d ", __func__, ever_evt->lmp_subversion);
1762 RTKBT_INFO("%s: lmp_manufacture %d ", __func__, ever_evt->lmp_manufacture);
1763 //sleep 300ms for channel reset.
1764 msleep(300);
1765 RTKBT_INFO("%s: Wait channel reset for 300ms",__func__);
1766
1767 return ret_val;
1768}
1769
1770int get_eversion(firmware_info* fw_info)
1771{
1772 struct rtk_eversion_evt *ever_evt;
1773 int ret_val;
1774
1775 if (!fw_info)
1776 return -ENODEV;
1777
1778 fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_READ_RTK_ROM_VERISION);
1779 fw_info->cmd_hdr->plen = 0;
1780 fw_info->pkt_len = CMD_HDR_LEN;
1781
1782 ret_val = send_hci_cmd(fw_info);
1783 if (ret_val < 0) {
1784 RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
1785 __func__, fw_info->cmd_hdr->opcode, ret_val);
1786 return ret_val;
1787 }
1788
1789 ret_val = rcv_hci_evt(fw_info);
1790 if (ret_val < 0) {
1791 RTKBT_ERR("%s: Failed to receive hci event, errno %d",
1792 __func__, ret_val);
1793 return ret_val;
1794 }
1795
1796 ever_evt = (struct rtk_eversion_evt *)(fw_info->rsp_para);
1797
1798 RTKBT_INFO("%s: status %d, eversion %d", __func__, ever_evt->status, ever_evt->version);
1799
1800 if (ever_evt->status)
1801 fw_info->patch_entry->eversion = 0;
1802 else
1803 fw_info->patch_entry->eversion = ever_evt->version;
1804
1805 return ret_val;
1806}
1807
1808void rtk_update_altsettings(patch_info *patch_entry, const unsigned char* org_config_buf, int org_config_len, unsigned char ** new_config_buf_ptr, int *new_config_len_ptr)
1809{
1810 static unsigned char config_buf[1024];
1811 unsigned short offset[256];
1812 unsigned char val[256];
1813
1814 struct rtk_bt_vendor_config* config = (struct rtk_bt_vendor_config*) config_buf;
1815 struct rtk_bt_vendor_config_entry* entry = config->entry;
1816
1817 int count = 0,temp = 0, i = 0, j;
1818
1819 memset(config_buf, 0, sizeof(config_buf));
1820 memset(offset, 0, sizeof(offset));
1821 memset(val, 0, sizeof(val));
1822
1823 memcpy(config_buf, org_config_buf, org_config_len);
1824 *new_config_buf_ptr = config_buf;
1825 *new_config_len_ptr = org_config_len;
1826
1827 count = getAltSettings(patch_entry, offset, sizeof(offset)/sizeof(unsigned short));
1828 if(count <= 0){
1829 RTKBT_INFO("rtk_update_altsettings: No AltSettings");
1830 return;
1831 }else{
1832 RTKBT_INFO("rtk_update_altsettings: %d AltSettings", count);
1833 }
1834
1835 RTKBT_INFO("ORG Config len=%08x:\n", org_config_len);
1836 for(i=0;i<=org_config_len;i+=0x10)
1837 {
1838 RTKBT_INFO("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", i, \
1839 config_buf[i], config_buf[i+1], config_buf[i+2], config_buf[i+3], config_buf[i+4], config_buf[i+5], config_buf[i+6], config_buf[i+7], \
1840 config_buf[i+8], config_buf[i+9], config_buf[i+10], config_buf[i+11], config_buf[i+12], config_buf[i+13], config_buf[i+14], config_buf[i+15]);
1841 }
1842
1843 if (config->data_len != org_config_len - sizeof(struct rtk_bt_vendor_config))
1844 {
1845 //RTKBT_ERR("rtk_update_altsettings: config len(%x) is not right(%x)", config->data_len, org_config_len-sizeof(struct rtk_bt_vendor_config));
1846 return;
1847 }
1848
1849 for (i=0; i<config->data_len;)
1850 {
1851 for(j = 0; j < count;j++)
1852 {
1853 if(entry->offset == offset[j])
1854 offset[j] = 0;
1855 }
1856 if(getAltSettingVal(patch_entry, entry->offset, val) == entry->entry_len){
1857 RTKBT_INFO("rtk_update_altsettings: replace %04x[%02x]", entry->offset, entry->entry_len);
1858 memcpy(entry->entry_data, val, entry->entry_len);
1859 }
1860 temp = entry->entry_len + sizeof(struct rtk_bt_vendor_config_entry);
1861 i += temp;
1862 entry = (struct rtk_bt_vendor_config_entry*)((uint8_t*)entry + temp);
1863 }
1864 for(j = 0; j < count;j++){
1865 if(offset[j] == 0)
1866 continue;
1867 entry->entry_len = getAltSettingVal(patch_entry, offset[j], val);
1868 if(entry->entry_len <= 0)
1869 continue;
1870 entry->offset = offset[j];
1871 memcpy(entry->entry_data, val, entry->entry_len);
1872 RTKBT_INFO("rtk_update_altsettings: add %04x[%02x]", entry->offset, entry->entry_len);
1873 temp = entry->entry_len + sizeof(struct rtk_bt_vendor_config_entry);
1874 i += temp;
1875 entry = (struct rtk_bt_vendor_config_entry*)((uint8_t*)entry + temp);
1876 }
1877 config->data_len = i;
1878 *new_config_buf_ptr = config_buf;
1879 *new_config_len_ptr = config->data_len+sizeof(struct rtk_bt_vendor_config);
1880
1881 return;
1882}
1883
1884int load_firmware(firmware_info *fw_info, uint8_t **buff)
1885{
1886 const struct firmware *fw, *cfg;
1887 struct usb_device *udev;
1888 patch_info *patch_entry;
1889 char *config_name, *fw_name;
1890 int fw_len = 0;
1891 int ret_val;
1892
1893 int config_len = 0, buf_len = -1;
1894 uint8_t *buf = *buff, *config_file_buf = NULL;
1895 uint8_t *epatch_buf = NULL;
1896
1897 struct rtk_epatch *epatch_info = NULL;
1898 uint8_t need_download_fw = 1;
1899 struct rtk_extension_entry patch_lmp = {0};
1900 struct rtk_epatch_entry *p_epatch_entry = NULL;
1901 uint16_t lmp_version;
1902 //uint8_t use_mp_fw = 0;
1903 RTKBT_DBG("%s: start", __func__);
1904
1905 udev = fw_info->udev;
1906 patch_entry = fw_info->patch_entry;
1907 lmp_version = patch_entry->lmp_sub_default;
1908 config_name = patch_entry->config_name;
1909/* 1 Mptool Fw; 0 Normal Fw */
1910 if(DRV_MP_MODE == mp_drv_mode){
1911 fw_name = patch_entry->mp_patch_name;
1912 }else{
1913 fw_name = patch_entry->patch_name;
1914 }
1915
1916 RTKBT_INFO("%s: Default lmp version = 0x%04x, config file name[%s], "
1917 "fw file name[%s]", __func__, lmp_version,config_name, fw_name);
1918
1919 ret_val = request_firmware(&cfg, config_name, &udev->dev);
1920 if (ret_val < 0)
1921 config_len = 0;
1922 else {
1923 int i;
1924 rtk_update_altsettings(patch_entry, cfg->data, cfg->size, &config_file_buf, &config_len);
1925
1926 RTKBT_INFO("Final Config len=%08x:\n", config_len);
1927 for(i=0;i<=config_len;i+=0x10)
1928 {
1929 RTKBT_INFO("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", i, \
1930 config_file_buf[i], config_file_buf[i+1], config_file_buf[i+2], config_file_buf[i+3], config_file_buf[i+4], config_file_buf[i+5], config_file_buf[i+6], config_file_buf[i+7], \
1931 config_file_buf[i+8], config_file_buf[i+9], config_file_buf[i+10], config_file_buf[i+11], config_file_buf[i+12], config_file_buf[i+13], config_file_buf[i+14], config_file_buf[i+15]);
1932 }
1933
1934 release_firmware(cfg);
1935 }
1936
1937 ret_val = request_firmware(&fw, fw_name, &udev->dev);
1938 if (ret_val < 0)
1939 goto fw_fail;
1940 else {
1941 epatch_buf = vmalloc(fw->size);
1942 RTKBT_INFO("%s: epatch_buf = vmalloc(fw->size, GFP_KERNEL)", __func__);
1943 if (!epatch_buf) {
1944 release_firmware(fw);
1945 goto fw_fail;
1946 }
1947 memcpy(epatch_buf, fw->data, fw->size);
1948 fw_len = fw->size;
1949 buf_len = fw_len + config_len;
1950 release_firmware(fw);
1951 }
1952
1953 if (lmp_version == ROM_LMP_8723a) {
1954 RTKBT_DBG("%s: 8723a -> use old style patch", __func__);
1955 if (!memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) {
1956 RTKBT_ERR("%s: 8723a check signature error", __func__);
1957 need_download_fw = 0;
1958 } else {
1959 if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
1960 RTKBT_ERR("%s: Failed to allocate mem for fw&config", __func__);
1961 buf_len = -1;
1962 } else {
1963 RTKBT_DBG("%s: 8723a -> fw copy directly", __func__);
1964 memcpy(buf, epatch_buf, buf_len);
1965 patch_entry->lmp_sub = *(uint16_t *)(buf + buf_len - config_len - 4);
1966 RTKBT_DBG("%s: Config lmp version = 0x%04x", __func__,
1967 patch_entry->lmp_sub);
1968 vfree(epatch_buf);
1969 RTKBT_INFO("%s:ROM_LMP_8723a vfree(epatch_buf)", __func__);
1970 epatch_buf = NULL;
1971 if (config_len)
1972 memcpy(buf + buf_len - config_len, config_file_buf, config_len);
1973 }
1974 }
1975 } else {
1976 RTKBT_DBG("%s: Not 8723a -> use new style patch", __func__);
1977
1978 RTKBT_DBG("%s: reset_channel before get_eversion from bt controller", __func__);
1979 ret_val = reset_channel(fw_info);
1980 if (ret_val < 0) {
1981 RTKBT_ERR("%s: Failed to reset_channel, errno %d", __func__, ret_val);
1982 goto fw_fail;
1983 }
1984// read_localversion(fw_info);
1985 RTKBT_DBG("%s: get_eversion from bt controller", __func__);
1986
1987 ret_val = get_eversion(fw_info);
1988 if (ret_val < 0) {
1989 RTKBT_ERR("%s: Failed to get eversion, errno %d", __func__, ret_val);
1990 goto fw_fail;
1991 }
1992 RTKBT_DBG("%s: Get eversion =%d", __func__, patch_entry->eversion);
1993 if (memcmp(epatch_buf + buf_len - config_len - 4 , EXTENSION_SECTION_SIGNATURE, 4)) {
1994 RTKBT_ERR("%s: Failed to check extension section signature", __func__);
1995 need_download_fw = 0;
1996 } else {
1997 uint8_t *temp;
1998 temp = epatch_buf+buf_len-config_len - 5;
1999 do {
2000 if (*temp == 0x00) {
2001 patch_lmp.opcode = *temp;
2002 patch_lmp.length = *(temp-1);
2003 if ((patch_lmp.data = kzalloc(patch_lmp.length, GFP_KERNEL))) {
2004 int k;
2005 for (k = 0; k < patch_lmp.length; k++) {
2006 *(patch_lmp.data+k) = *(temp-2-k);
2007 RTKBT_DBG("data = 0x%x", *(patch_lmp.data+k));
2008 }
2009 }
2010 RTKBT_DBG("%s: opcode = 0x%x, length = 0x%x, data = 0x%x", __func__,
2011 patch_lmp.opcode, patch_lmp.length, *(patch_lmp.data));
2012 break;
2013 }
2014 temp -= *(temp-1) + 2;
2015 } while (*temp != 0xFF);
2016
2017 if (lmp_version != project_id[*(patch_lmp.data)]) {
2018 RTKBT_ERR("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
2019 "-> not match", __func__, lmp_version, *(patch_lmp.data),project_id[*(patch_lmp.data)]);
2020 if (patch_lmp.data)
2021 kfree(patch_lmp.data);
2022 need_download_fw = 0;
2023 } else {
2024 RTKBT_INFO("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
2025 "-> match", __func__, lmp_version, *(patch_lmp.data), project_id[*(patch_lmp.data)]);
2026 if (patch_lmp.data)
2027 kfree(patch_lmp.data);
2028 if (memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) {
2029 RTKBT_ERR("%s: Check signature error", __func__);
2030 need_download_fw = 0;
2031 } else {
2032 epatch_info = (struct rtk_epatch*)epatch_buf;
2033 patch_entry->lmp_sub = (uint16_t)epatch_info->fw_version;
2034
2035 RTKBT_DBG("%s: lmp version 0x%04x, fw_version 0x%x, "
2036 "number_of_total_patch %d", __func__,
2037 patch_entry->lmp_sub, epatch_info->fw_version,
2038 epatch_info->number_of_total_patch);
2039
2040 /* Get right epatch entry */
2041 p_epatch_entry = get_fw_patch_entry(epatch_info, patch_entry->eversion);
2042 if (p_epatch_entry == NULL) {
2043 RTKBT_WARN("%s: Failed to get fw patch entry", __func__);
2044 ret_val = -1;
2045 goto fw_fail ;
2046 }
2047
2048 buf_len = p_epatch_entry->patch_length + config_len;
2049 RTKBT_DBG("buf_len = 0x%x", buf_len);
2050
2051 if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
2052 RTKBT_ERR("%s: Can't alloc memory for fw&config", __func__);
2053 buf_len = -1;
2054 } else {
2055 memcpy(buf, &epatch_buf[p_epatch_entry->start_offset], p_epatch_entry->patch_length);
2056 memcpy(&buf[p_epatch_entry->patch_length-4], &epatch_info->fw_version, 4);
2057 kfree(p_epatch_entry);
2058 }
2059 vfree(epatch_buf);
2060 RTKBT_INFO("%s: vfree(epatch_buf)", __func__);
2061 epatch_buf = NULL;
2062
2063 if (config_len)
2064 memcpy(&buf[buf_len - config_len], config_file_buf, config_len);
2065 }
2066 }
2067 }
2068 }
2069
2070 RTKBT_INFO("%s: fw%s exists, config file%s exists", __func__,
2071 (buf_len > 0) ? "" : " not", (config_len > 0) ? "":" not");
2072
2073 if (buf && buf_len > 0 && need_download_fw)
2074 *buff = buf;
2075
2076 RTKBT_DBG("%s: done", __func__);
2077
2078 return buf_len;
2079
2080fw_fail:
2081 return ret_val;
2082}
2083
2084#if SUSPNED_DW_FW
2085static int load_suspend_firmware(firmware_info *fw_info, uint8_t **buff)
2086{
2087 const struct firmware *fw, *cfg;
2088 struct usb_device *udev;
2089 patch_info *patch_entry;
2090 char config_name[100] = {0};
2091 char fw_name[100] = {0};
2092 int fw_len = 0;
2093 int ret_val;
2094
2095 int config_len = 0, buf_len = -1;
2096 uint8_t *buf = *buff, *config_file_buf = NULL;
2097 uint8_t *epatch_buf = NULL;
2098
2099 struct rtk_epatch *epatch_info = NULL;
2100 uint8_t need_download_fw = 1;
2101 struct rtk_extension_entry patch_lmp = {0};
2102 struct rtk_epatch_entry *p_epatch_entry = NULL;
2103 uint16_t lmp_version;
2104 RTKBT_DBG("%s: start", __func__);
2105
2106 udev = fw_info->udev;
2107 patch_entry = fw_info->patch_entry;
2108 lmp_version = patch_entry->lmp_sub_default;
2109 sprintf(config_name, "%s_suspend", patch_entry->config_name);
2110 sprintf(fw_name, "%s_suspend", patch_entry->patch_name);
2111
2112 RTKBT_INFO("%s: Default lmp version = 0x%04x, config file name[%s], "
2113 "fw file name[%s]", __func__, lmp_version,config_name, fw_name);
2114
2115 ret_val = request_firmware(&cfg, config_name, &udev->dev);
2116 if (ret_val < 0)
2117 config_len = 0;
2118 else {
2119 int i;
2120 rtk_update_altsettings(patch_entry, cfg->data, cfg->size, &config_file_buf, &config_len);
2121
2122 RTKBT_INFO("Final Config len=%08x:\n", config_len);
2123 for(i=0;i<=config_len;i+=0x10)
2124 {
2125 RTKBT_INFO("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", i, \
2126 config_file_buf[i], config_file_buf[i+1], config_file_buf[i+2], config_file_buf[i+3], config_file_buf[i+4], config_file_buf[i+5], config_file_buf[i+6], config_file_buf[i+7], \
2127 config_file_buf[i+8], config_file_buf[i+9], config_file_buf[i+10], config_file_buf[i+11], config_file_buf[i+12], config_file_buf[i+13], config_file_buf[i+14], config_file_buf[i+15]);
2128 }
2129
2130 release_firmware(cfg);
2131 }
2132
2133 ret_val = request_firmware(&fw, fw_name, &udev->dev);
2134 if (ret_val < 0)
2135 goto fw_fail;
2136 else {
2137 epatch_buf = vmalloc(fw->size);
2138 RTKBT_INFO("%s: epatch_buf = vmalloc(fw->size, GFP_KERNEL)", __func__);
2139 if (!epatch_buf) {
2140 release_firmware(fw);
2141 goto fw_fail;
2142 }
2143 memcpy(epatch_buf, fw->data, fw->size);
2144 fw_len = fw->size;
2145 buf_len = fw_len + config_len;
2146 release_firmware(fw);
2147 }
2148
2149 RTKBT_DBG("%s: Not 8723a -> use new style patch", __func__);
2150
2151 RTKBT_DBG("%s: get_eversion from bt controller", __func__);
2152
2153 ret_val = get_eversion(fw_info);
2154 if (ret_val < 0) {
2155 RTKBT_ERR("%s: Failed to get eversion, errno %d", __func__, ret_val);
2156 goto fw_fail;
2157 }
2158 RTKBT_DBG("%s: Get eversion =%d", __func__, patch_entry->eversion);
2159 if (memcmp(epatch_buf + buf_len - config_len - 4 , EXTENSION_SECTION_SIGNATURE, 4)) {
2160 RTKBT_ERR("%s: Failed to check extension section signature", __func__);
2161 need_download_fw = 0;
2162 } else {
2163 uint8_t *temp;
2164 temp = epatch_buf+buf_len-config_len - 5;
2165 do {
2166 if (*temp == 0x00) {
2167 patch_lmp.opcode = *temp;
2168 patch_lmp.length = *(temp-1);
2169 if ((patch_lmp.data = kzalloc(patch_lmp.length, GFP_KERNEL))) {
2170 int k;
2171 for (k = 0; k < patch_lmp.length; k++) {
2172 *(patch_lmp.data+k) = *(temp-2-k);
2173 RTKBT_DBG("data = 0x%x", *(patch_lmp.data+k));
2174 }
2175 }
2176 RTKBT_DBG("%s: opcode = 0x%x, length = 0x%x, data = 0x%x", __func__,
2177 patch_lmp.opcode, patch_lmp.length, *(patch_lmp.data));
2178 break;
2179 }
2180 temp -= *(temp-1) + 2;
2181 } while (*temp != 0xFF);
2182
2183 if (lmp_version != project_id[*(patch_lmp.data)]) {
2184 RTKBT_ERR("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
2185 "-> not match", __func__, lmp_version, *(patch_lmp.data),project_id[*(patch_lmp.data)]);
2186 if (patch_lmp.data)
2187 kfree(patch_lmp.data);
2188 need_download_fw = 0;
2189 } else {
2190 RTKBT_INFO("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
2191 "-> match", __func__, lmp_version, *(patch_lmp.data), project_id[*(patch_lmp.data)]);
2192 if (patch_lmp.data)
2193 kfree(patch_lmp.data);
2194 if (memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) {
2195 RTKBT_ERR("%s: Check signature error", __func__);
2196 need_download_fw = 0;
2197 } else {
2198 epatch_info = (struct rtk_epatch*)epatch_buf;
2199 patch_entry->lmp_sub = (uint16_t)epatch_info->fw_version;
2200
2201 RTKBT_DBG("%s: lmp version 0x%04x, fw_version 0x%x, "
2202 "number_of_total_patch %d", __func__,
2203 patch_entry->lmp_sub, epatch_info->fw_version,
2204 epatch_info->number_of_total_patch);
2205
2206 /* Get right epatch entry */
2207 p_epatch_entry = get_fw_patch_entry(epatch_info, patch_entry->eversion);
2208 if (p_epatch_entry == NULL) {
2209 RTKBT_WARN("%s: Failed to get fw patch entry", __func__);
2210 ret_val = -1;
2211 goto fw_fail ;
2212 }
2213
2214 buf_len = p_epatch_entry->patch_length + config_len;
2215 RTKBT_DBG("buf_len = 0x%x", buf_len);
2216
2217 if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
2218 RTKBT_ERR("%s: Can't alloc memory for fw&config", __func__);
2219 buf_len = -1;
2220 } else {
2221 memcpy(buf, &epatch_buf[p_epatch_entry->start_offset], p_epatch_entry->patch_length);
2222 memcpy(&buf[p_epatch_entry->patch_length-4], &epatch_info->fw_version, 4);
2223 kfree(p_epatch_entry);
2224 }
2225 vfree(epatch_buf);
2226 RTKBT_INFO("%s: vfree(epatch_buf)", __func__);
2227 epatch_buf = NULL;
2228
2229 if (config_len)
2230 memcpy(&buf[buf_len - config_len], config_file_buf, config_len);
2231 }
2232 }
2233 }
2234
2235 RTKBT_INFO("%s: fw%s exists, config file%s exists", __func__,
2236 (buf_len > 0) ? "" : " not", (config_len > 0) ? "":" not");
2237
2238 if (buf && buf_len > 0 && need_download_fw)
2239 *buff = buf;
2240
2241 RTKBT_DBG("%s: done", __func__);
2242
2243 return buf_len;
2244
2245fw_fail:
2246 return ret_val;
2247}
2248#endif
2249
2250int get_firmware(firmware_info *fw_info, int cached)
2251{
2252 patch_info *patch_entry = fw_info->patch_entry;
2253
2254 RTKBT_INFO("%s: start, cached %d,patch_entry->fw_len= %d", __func__, cached,patch_entry->fw_len);
2255
2256 if (cached > 0) {
2257 if (patch_entry->fw_len > 0) {
2258 fw_info->fw_data = kzalloc(patch_entry->fw_len, GFP_KERNEL);
2259 if (!fw_info->fw_data)
2260 return -ENOMEM;
2261 memcpy(fw_info->fw_data, patch_entry->fw_cache, patch_entry->fw_len);
2262 fw_info->fw_len = patch_entry->fw_len;
2263 } else {
2264 fw_info->fw_len = load_firmware(fw_info, &fw_info->fw_data);
2265 if (fw_info->fw_len <= 0)
2266 return -1;
2267 }
2268 } else {
2269 fw_info->fw_len = load_firmware(fw_info, &fw_info->fw_data);
2270 if (fw_info->fw_len <= 0)
2271 return -1;
2272 }
2273
2274 return 0;
2275}
2276
2277#if SUSPNED_DW_FW
2278static int get_suspend_firmware(firmware_info *fw_info, int cached)
2279{
2280 patch_info *patch_entry = fw_info->patch_entry;
2281
2282 RTKBT_INFO("%s: start, cached %d,patch_entry->fw_len= %d", __func__, cached,patch_entry->fw_len);
2283
2284 if (cached > 0) {
2285 if (patch_entry->fw_len > 0) {
2286 fw_info->fw_data = kzalloc(patch_entry->fw_len, GFP_KERNEL);
2287 if (!fw_info->fw_data)
2288 return -ENOMEM;
2289 memcpy(fw_info->fw_data, patch_entry->fw_cache, patch_entry->fw_len);
2290 fw_info->fw_len = patch_entry->fw_len;
2291 } else {
2292 fw_info->fw_len = load_suspend_firmware(fw_info, &fw_info->fw_data);
2293 if (fw_info->fw_len <= 0)
2294 return -1;
2295 }
2296 } else {
2297 fw_info->fw_len = load_suspend_firmware(fw_info, &fw_info->fw_data);
2298 if (fw_info->fw_len <= 0)
2299 return -1;
2300 }
2301
2302 return 0;
2303}
2304#endif
2305
2306/*
2307 * Open the log message only if in debugging,
2308 * or it will decelerate download procedure.
2309 */
2310int download_data(firmware_info *fw_info)
2311{
2312 download_cp *cmd_para;
2313 download_rp *evt_para;
2314 uint8_t *pcur;
2315 int pkt_len, frag_num, frag_len;
2316 int i, ret_val;
2317 int ncmd = 1, step = 1;
2318
2319 RTKBT_DBG("%s: start", __func__);
2320
2321 cmd_para = (download_cp *)fw_info->req_para;
2322 evt_para = (download_rp *)fw_info->rsp_para;
2323 pcur = fw_info->fw_data;
2324 pkt_len = CMD_HDR_LEN + sizeof(download_cp);
2325 frag_num = fw_info->fw_len / PATCH_SEG_MAX + 1;
2326 frag_len = PATCH_SEG_MAX;
2327
2328 for (i = 0; i < frag_num; i++) {
2329 cmd_para->index = i?((i-1)%0x7f+1):0;
2330 if (i == (frag_num - 1)) {
2331 cmd_para->index |= DATA_END;
2332 frag_len = fw_info->fw_len % PATCH_SEG_MAX;
2333 pkt_len -= (PATCH_SEG_MAX - frag_len);
2334 }
2335 fw_info->cmd_hdr->opcode = cpu_to_le16(DOWNLOAD_OPCODE);
2336 fw_info->cmd_hdr->plen = sizeof(uint8_t) + frag_len;
2337 fw_info->pkt_len = pkt_len;
2338 memcpy(cmd_para->data, pcur, frag_len);
2339
2340 if (step > 0) {
2341 ret_val = send_hci_cmd(fw_info);
2342 if (ret_val < 0) {
2343 RTKBT_DBG("%s: Failed to send frag num %d", __func__, cmd_para->index);
2344 return ret_val;
2345 } else
2346 RTKBT_DBG("%s: Send frag num %d", __func__, cmd_para->index);
2347
2348 if (--step > 0 && i < frag_num - 1) {
2349 RTKBT_DBG("%s: Continue to send frag num %d", __func__, cmd_para->index + 1);
2350 pcur += PATCH_SEG_MAX;
2351 continue;
2352 }
2353 }
2354
2355 while (ncmd > 0) {
2356 ret_val = rcv_hci_evt(fw_info);
2357 if (ret_val < 0) {
2358 RTKBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
2359 return ret_val;
2360 } else {
2361 RTKBT_DBG("%s: Receive acked frag num %d", __func__, evt_para->index);
2362 ncmd--;
2363 }
2364
2365 if (0 != evt_para->status) {
2366 RTKBT_ERR("%s: Receive acked frag num %d, err status %d",
2367 __func__, ret_val, evt_para->status);
2368 return -1;
2369 }
2370
2371 if ((evt_para->index & DATA_END) || (evt_para->index == frag_num - 1)) {
2372 RTKBT_DBG("%s: Receive last acked index %d", __func__, evt_para->index);
2373 goto end;
2374 }
2375 }
2376
2377 ncmd = step = fw_info->cmd_cmp->ncmd;
2378 pcur += PATCH_SEG_MAX;
2379 RTKBT_DBG("%s: HCI command packet num %d", __func__, ncmd);
2380 }
2381
2382 /*
2383 * It is tricky that Host cannot receive DATA_END index from BT
2384 * controller, at least for 8723au. We are doomed if failed.
2385 */
2386#if 0
2387 /* Continue to receive the responsed events until last index occurs */
2388 if (i == frag_num) {
2389 RTKBT_DBG("%s: total frag count %d", __func__, frag_num);
2390 while (!(evt_para->index & DATA_END)) {
2391 ret_val = rcv_hci_evt(fw_info);
2392 if (ret_val < 0) {
2393 RTKBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
2394 return ret_val;
2395 }
2396 if (0 != evt_para->status)
2397 return -1;
2398 RTKBT_DBG("%s: continue to receive acked frag num %d", __func__, evt_para->index);
2399 }
2400 }
2401#endif
2402end:
2403 RTKBT_INFO("%s: done, sent %d frag pkts, received %d frag events",
2404 __func__, cmd_para->index, evt_para->index);
2405 return fw_info->fw_len;
2406}
2407
2408int download_patch(firmware_info *fw_info, int cached)
2409{
2410 int ret_val = 0;
2411
2412 RTKBT_DBG("%s: Download fw patch start, cached %d", __func__, cached);
2413
2414 if (!fw_info || !fw_info->patch_entry) {
2415 RTKBT_ERR("%s: No patch entry exists(fw_info %p)", __func__, fw_info);
2416 ret_val = -1;
2417 goto end;
2418 }
2419
2420 /*
2421 * step1: get local firmware if existed
2422 * step2: check firmware version
2423 * step3: download firmware if updated
2424 */
2425 ret_val = get_firmware(fw_info, cached);
2426 if (ret_val < 0) {
2427 RTKBT_ERR("%s: Failed to get firmware", __func__);
2428 goto end;
2429 }
2430
2431#if SUSPNED_DW_FW
2432 if(fw_info_4_suspend) {
2433 RTKBT_DBG("%s: get suspend fw first cached %d", __func__, cached);
2434 ret_val = get_suspend_firmware(fw_info_4_suspend, cached);
2435 if (ret_val < 0) {
2436 RTKBT_ERR("%s: Failed to get suspend firmware", __func__);
2437 goto end;
2438 }
2439 }
2440#endif
2441
2442 /*check the length of fw to be download*/
2443 RTKBT_DBG("%s: Check fw_info->fw_len:%d max_patch_size %d", __func__, fw_info->fw_len, fw_info->patch_entry->max_patch_size);
2444 if (fw_info->fw_len > fw_info->patch_entry->max_patch_size) {
2445 RTKBT_ERR("%s: Total length of fw&config(%08x) larger than max_patch_size 0x%08x", __func__, fw_info->fw_len, fw_info->patch_entry->max_patch_size);
2446 ret_val = -1;
2447 goto free;
2448 }
2449
2450 ret_val = check_fw_version(fw_info, false);
2451
2452 if (2 == ret_val) {
2453 RTKBT_ERR("%s: Cold reset bt chip only download", __func__);
2454 ret_val = download_data(fw_info);
2455 if (ret_val > 0)
2456 RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
2457 } else if(1 == ret_val){
2458 // reset bt chip to update Fw patch
2459 ret_val = reset_controller(fw_info);
2460 RTKBT_ERR("%s: reset bt chip to update Fw patch, fw len %d", __func__, ret_val);
2461 ret_val = download_data(fw_info);
2462 if (ret_val > 0)
2463 RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
2464 }
2465
2466
2467free:
2468 /* Free fw data after download finished */
2469 kfree(fw_info->fw_data);
2470 fw_info->fw_data = NULL;
2471
2472end:
2473 return ret_val;
2474}
2475
2476#if SUSPNED_DW_FW
2477static int download_suspend_patch(firmware_info *fw_info, int cached)
2478{
2479 int ret_val = 0;
2480
2481 RTKBT_DBG("%s: Download fw patch start, cached %d", __func__, cached);
2482
2483 if (!fw_info || !fw_info->patch_entry) {
2484 RTKBT_ERR("%s: No patch entry exists(fw_info %p)", __func__, fw_info);
2485 ret_val = -1;
2486 goto end;
2487 }
2488
2489 /*check the length of fw to be download*/
2490 RTKBT_DBG("%s:Check RTK_PATCH_LENGTH fw_info->fw_len:%d", __func__,fw_info->fw_len);
2491 if (fw_info->fw_len > fw_info->patch_entry->max_patch_size || fw_info->fw_len == 0) {
2492 RTKBT_ERR("%s: Total length of fw&config(%08x) larger than max_patch_size 0x%08x", __func__, fw_info->fw_len, fw_info->patch_entry->max_patch_size);
2493 ret_val = -1;
2494 goto free;
2495 }
2496
2497 ret_val = check_fw_version(fw_info, false);
2498
2499 if (2 == ret_val) {
2500 RTKBT_ERR("%s: Cold reset bt chip only download", __func__);
2501 ret_val = download_data(fw_info);
2502 if (ret_val > 0)
2503 RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
2504 } else if(1 == ret_val){
2505 // reset bt chip to update Fw patch
2506 ret_val = reset_controller(fw_info);
2507 RTKBT_ERR("%s: reset bt chip to update Fw patch, fw len %d", __func__, ret_val);
2508 ret_val = download_data(fw_info);
2509 if (ret_val > 0)
2510 RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
2511 }
2512
2513
2514free:
2515 /* Free fw data after download finished */
2516 kfree(fw_info->fw_data);
2517 fw_info->fw_data = NULL;
2518
2519end:
2520 return ret_val;
2521}
2522
2523static void suspend_firmware_info_init(firmware_info *fw_info)
2524{
2525 RTKBT_DBG("%s: start", __func__);
2526 if(!fw_info)
2527 return;
2528
2529 fw_info_4_suspend= kzalloc(sizeof(*fw_info), GFP_KERNEL);
2530 if (!fw_info_4_suspend)
2531 goto error;
2532
2533 fw_info_4_suspend->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
2534 if (!fw_info_4_suspend->send_pkt) {
2535 kfree(fw_info_4_suspend);
2536 goto error;
2537 }
2538
2539 fw_info_4_suspend->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
2540 if (!fw_info_4_suspend->rcv_pkt) {
2541 kfree(fw_info_4_suspend->send_pkt);
2542 kfree(fw_info_4_suspend);
2543 goto error;
2544 }
2545
2546 fw_info_4_suspend->patch_entry = get_suspend_fw_table_entry(fw_info->udev);
2547 if (!fw_info_4_suspend->patch_entry) {
2548 kfree(fw_info_4_suspend->rcv_pkt);
2549 kfree(fw_info_4_suspend->send_pkt);
2550 kfree(fw_info_4_suspend);
2551 goto error;
2552 }
2553
2554 fw_info_4_suspend->intf = fw_info->intf;
2555 fw_info_4_suspend->udev = fw_info->udev;
2556 fw_info_4_suspend->cmd_hdr = (struct hci_command_hdr *)(fw_info_4_suspend->send_pkt);
2557 fw_info_4_suspend->evt_hdr = (struct hci_event_hdr *)(fw_info_4_suspend->rcv_pkt);
2558 fw_info_4_suspend->cmd_cmp = (struct hci_ev_cmd_complete *)(fw_info_4_suspend->rcv_pkt + EVT_HDR_LEN);
2559 fw_info_4_suspend->req_para = fw_info_4_suspend->send_pkt + CMD_HDR_LEN;
2560 fw_info_4_suspend->rsp_para = fw_info_4_suspend->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN;
2561 fw_info_4_suspend->pipe_in = fw_info->pipe_in;
2562 fw_info_4_suspend->pipe_out = fw_info->pipe_out;
2563
2564 return;
2565error:
2566 RTKBT_DBG("%s: fail !", __func__);
2567 fw_info_4_suspend = NULL;
2568 return;
2569}
2570#endif
2571
2572#if SET_WAKEUP_DEVICE
2573static void set_wakeup_device_from_conf(firmware_info *fw_info)
2574{
2575 uint8_t paired_wakeup_bdaddr[7];
2576 uint8_t num = 0;
2577 int i;
2578 struct file *fp;
2579 mm_segment_t fs;
2580 loff_t pos;
2581
2582 memset(paired_wakeup_bdaddr, 0, 7);
2583 fp = filp_open(SET_WAKEUP_DEVICE_CONF, O_RDWR, 0);
2584 if (!IS_ERR(fp)) {
2585 fs = get_fs();
2586 set_fs(KERNEL_DS);
2587 pos = 0;
2588 //read number
2589 vfs_read(fp, &num, 1, &pos);
2590 RTKBT_DBG("read number = %d", num);
2591 if(num) {
2592 for(i = 0; i < num; i++) {
2593 vfs_read(fp, paired_wakeup_bdaddr, 7, &pos);
2594 RTKBT_DBG("paired_wakeup_bdaddr: 0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x",
2595 paired_wakeup_bdaddr[1],paired_wakeup_bdaddr[2],paired_wakeup_bdaddr[3],
2596 paired_wakeup_bdaddr[4],paired_wakeup_bdaddr[5],paired_wakeup_bdaddr[6]);
2597 set_wakeup_device(fw_info, paired_wakeup_bdaddr);
2598 }
2599 }
2600 filp_close(fp, NULL);
2601 set_fs(fs);
2602 }
2603 else {
2604 RTKBT_ERR("open wakeup config file fail! errno = %ld", PTR_ERR(fp));
2605 }
2606}
2607#endif
2608
2609firmware_info *firmware_info_init(struct usb_interface *intf)
2610{
2611 struct usb_device *udev = interface_to_usbdev(intf);
2612 firmware_info *fw_info;
2613
2614 RTKBT_DBG("%s: start", __func__);
2615
2616 fw_info = kzalloc(sizeof(*fw_info), GFP_KERNEL);
2617 if (!fw_info)
2618 return NULL;
2619
2620 fw_info->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
2621 if (!fw_info->send_pkt) {
2622 kfree(fw_info);
2623 return NULL;
2624 }
2625
2626 fw_info->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
2627 if (!fw_info->rcv_pkt) {
2628 kfree(fw_info->send_pkt);
2629 kfree(fw_info);
2630 return NULL;
2631 }
2632
2633 fw_info->patch_entry = get_fw_table_entry(udev);
2634 if (!fw_info->patch_entry) {
2635 kfree(fw_info->rcv_pkt);
2636 kfree(fw_info->send_pkt);
2637 kfree(fw_info);
2638 return NULL;
2639 }
2640
2641 fw_info->intf = intf;
2642 fw_info->udev = udev;
2643 fw_info->pipe_in = usb_rcvintpipe(fw_info->udev, INTR_EP);
2644 fw_info->pipe_out = usb_sndctrlpipe(fw_info->udev, CTRL_EP);
2645 fw_info->cmd_hdr = (struct hci_command_hdr *)(fw_info->send_pkt);
2646 fw_info->evt_hdr = (struct hci_event_hdr *)(fw_info->rcv_pkt);
2647 fw_info->cmd_cmp = (struct hci_ev_cmd_complete *)(fw_info->rcv_pkt + EVT_HDR_LEN);
2648 fw_info->req_para = fw_info->send_pkt + CMD_HDR_LEN;
2649 fw_info->rsp_para = fw_info->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN;
2650
2651#if SUSPNED_DW_FW
2652 suspend_firmware_info_init(fw_info);
2653#endif
2654
2655#if BTUSB_RPM
2656 RTKBT_INFO("%s: Auto suspend is enabled", __func__);
2657 usb_enable_autosuspend(udev);
2658 pm_runtime_set_autosuspend_delay(&(udev->dev), 2000);
2659#else
2660 RTKBT_INFO("%s: Auto suspend is disabled", __func__);
2661 usb_disable_autosuspend(udev);
2662#endif
2663
2664#if BTUSB_WAKEUP_HOST
2665 device_wakeup_enable(&udev->dev);
2666#endif
2667
2668 return fw_info;
2669}
2670
2671void firmware_info_destroy(struct usb_interface *intf)
2672{
2673 firmware_info *fw_info;
2674 struct usb_device *udev;
2675 struct btusb_data *data;
2676
2677 udev = interface_to_usbdev(intf);
2678 data = usb_get_intfdata(intf);
2679
2680 fw_info = data->fw_info;
2681 if (!fw_info)
2682 return;
2683
2684#if BTUSB_RPM
2685 usb_disable_autosuspend(udev);
2686#endif
2687
2688 /*
2689 * In order to reclaim fw data mem, we free fw_data immediately
2690 * after download patch finished instead of here.
2691 */
2692 kfree(fw_info->rcv_pkt);
2693 kfree(fw_info->send_pkt);
2694 kfree(fw_info);
2695
2696#if SUSPNED_DW_FW
2697 if (!fw_info_4_suspend)
2698 return;
2699
2700 kfree(fw_info_4_suspend->rcv_pkt);
2701 kfree(fw_info_4_suspend->send_pkt);
2702 kfree(fw_info_4_suspend->patch_entry);
2703 kfree(fw_info_4_suspend);
2704 fw_info_4_suspend = NULL;
2705#endif
2706}
2707
2708static struct usb_driver btusb_driver;
2709
2710static struct usb_device_id btusb_table[] = {
2711 { .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
2712 USB_DEVICE_ID_MATCH_INT_INFO,
2713 .idVendor = 0x0bda,
2714 .bInterfaceClass = 0xe0,
2715 .bInterfaceSubClass = 0x01,
2716 .bInterfaceProtocol = 0x01 },
2717
2718 { .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
2719 USB_DEVICE_ID_MATCH_INT_INFO,
2720 .idVendor = 0x13d3,
2721 .bInterfaceClass = 0xe0,
2722 .bInterfaceSubClass = 0x01,
2723 .bInterfaceProtocol = 0x01 },
2724
2725 { }
2726};
2727
2728MODULE_DEVICE_TABLE(usb, btusb_table);
2729
2730static int inc_tx(struct btusb_data *data)
2731{
2732 unsigned long flags;
2733 int rv;
2734
2735 spin_lock_irqsave(&data->txlock, flags);
2736 rv = test_bit(BTUSB_SUSPENDING, &data->flags);
2737 if (!rv)
2738 data->tx_in_flight++;
2739 spin_unlock_irqrestore(&data->txlock, flags);
2740
2741 return rv;
2742}
2743
2744void check_sco_event(struct urb *urb)
2745{
2746 u8* opcode = (u8*)(urb->transfer_buffer);
2747 u8 status;
2748 uint16_t handle;
2749 struct hci_dev *hdev = urb->context;
2750 struct btusb_data *data = GET_DRV_DATA(hdev);
2751
2752 switch (*opcode) {
2753 case HCI_EV_SYNC_CONN_COMPLETE:
2754 RTKBT_INFO("%s: HCI_EV_SYNC_CONN_COMPLETE(0x%02x)", __func__, *opcode);
2755 status = *(opcode + 2);
2756 data->sco_handle = *(opcode + 3) | *(opcode + 4) << 8;
2757 //hdev->voice_setting = *(uint16_t*)&opcode[15];
2758 if (status == 0) {
2759 hdev->conn_hash.sco_num++;
2760 hdev->notify(hdev, 0);
2761 }
2762 break;
2763 case HCI_EV_DISCONN_COMPLETE:
2764 status = *(opcode + 2);
2765 handle = *(opcode + 3) | *(opcode + 4) << 8;
2766 if (status == 0 && data->sco_handle == handle) {
2767 RTKBT_INFO("%s: SCO HCI_EV_DISCONN_COMPLETE(0x%02x)", __func__, *opcode);
2768 hdev->conn_hash.sco_num--;
2769 hdev->notify(hdev, 0);
2770 data->sco_handle = 0;
2771 }
2772 break;
2773 default:
2774 RTKBT_DBG("%s: event 0x%02x", __func__, *opcode);
2775 break;
2776 }
2777}
2778
2779static void btusb_intr_complete(struct urb *urb)
2780{
2781 struct hci_dev *hdev = urb->context;
2782 struct btusb_data *data = GET_DRV_DATA(hdev);
2783 int err;
2784
2785 RTKBT_DBG("%s: urb %p status %d count %d ", __func__,
2786 urb, urb->status, urb->actual_length);
2787
2788#ifdef CONFIG_SCO_OVER_HCI
2789 check_sco_event(urb);
2790#endif
2791
2792 if (!test_bit(HCI_RUNNING, &hdev->flags))
2793 return;
2794
2795
2796 if (urb->status == 0) {
2797 hdev->stat.byte_rx += urb->actual_length;
2798
2799 if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
2800 urb->transfer_buffer,
2801 urb->actual_length) < 0) {
2802 RTKBT_ERR("%s: Corrupted event packet", __func__);
2803 hdev->stat.err_rx++;
2804 }
2805 }
2806 /* Avoid suspend failed when usb_kill_urb */
2807 else if(urb->status == -ENOENT) {
2808 return;
2809 }
2810
2811
2812 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
2813 return;
2814
2815 usb_mark_last_busy(data->udev);
2816 usb_anchor_urb(urb, &data->intr_anchor);
2817
2818 err = usb_submit_urb(urb, GFP_ATOMIC);
2819 if (err < 0) {
2820 /* EPERM: urb is being killed;
2821 * ENODEV: device got disconnected */
2822 if (err != -EPERM && err != -ENODEV)
2823 RTKBT_ERR("%s: Failed to re-submit urb %p, err %d",
2824 __func__, urb, err);
2825 usb_unanchor_urb(urb);
2826 }
2827}
2828
2829static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
2830{
2831 struct btusb_data *data = GET_DRV_DATA(hdev);
2832 struct urb *urb;
2833 unsigned char *buf;
2834 unsigned int pipe;
2835 int err, size;
2836
2837 if (!data->intr_ep)
2838 return -ENODEV;
2839
2840 urb = usb_alloc_urb(0, mem_flags);
2841 if (!urb)
2842 return -ENOMEM;
2843
2844 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
2845
2846 buf = kmalloc(size, mem_flags);
2847 if (!buf) {
2848 usb_free_urb(urb);
2849 return -ENOMEM;
2850 }
2851
2852 RTKBT_DBG("%s: mMaxPacketSize %d, bEndpointAddress 0x%02x",
2853 __func__, size, data->intr_ep->bEndpointAddress);
2854
2855 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
2856
2857 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
2858 btusb_intr_complete, hdev,
2859 data->intr_ep->bInterval);
2860
2861 urb->transfer_flags |= URB_FREE_BUFFER;
2862
2863 usb_anchor_urb(urb, &data->intr_anchor);
2864
2865 err = usb_submit_urb(urb, mem_flags);
2866 if (err < 0) {
2867 RTKBT_ERR("%s: Failed to submit urb %p, err %d",
2868 __func__, urb, err);
2869 usb_unanchor_urb(urb);
2870 }
2871
2872 usb_free_urb(urb);
2873
2874 return err;
2875}
2876
2877static void btusb_bulk_complete(struct urb *urb)
2878{
2879 struct hci_dev *hdev = urb->context;
2880 struct btusb_data *data = GET_DRV_DATA(hdev);
2881 int err;
2882
2883 RTKBT_DBG("%s: urb %p status %d count %d",
2884 __func__, urb, urb->status, urb->actual_length);
2885
2886 if (!test_bit(HCI_RUNNING, &hdev->flags))
2887 return;
2888
2889 if (urb->status == 0) {
2890 hdev->stat.byte_rx += urb->actual_length;
2891
2892 if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
2893 urb->transfer_buffer,
2894 urb->actual_length) < 0) {
2895 RTKBT_ERR("%s: Corrupted ACL packet", __func__);
2896 hdev->stat.err_rx++;
2897 }
2898 }
2899 /* Avoid suspend failed when usb_kill_urb */
2900 else if(urb->status == -ENOENT) {
2901 return;
2902 }
2903
2904
2905 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
2906 return;
2907
2908 usb_anchor_urb(urb, &data->bulk_anchor);
2909 usb_mark_last_busy(data->udev);
2910
2911 err = usb_submit_urb(urb, GFP_ATOMIC);
2912 if (err < 0) {
2913 /* -EPERM: urb is being killed;
2914 * -ENODEV: device got disconnected */
2915 if (err != -EPERM && err != -ENODEV)
2916 RTKBT_ERR("btusb_bulk_complete %s urb %p failed to resubmit (%d)",
2917 hdev->name, urb, -err);
2918 usb_unanchor_urb(urb);
2919 }
2920}
2921
2922static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
2923{
2924 struct btusb_data *data = GET_DRV_DATA(hdev);
2925 struct urb *urb;
2926 unsigned char *buf;
2927 unsigned int pipe;
2928 int err, size = HCI_MAX_FRAME_SIZE;
2929
2930 RTKBT_DBG("%s: hdev name %s", __func__, hdev->name);
2931
2932 if (!data->bulk_rx_ep)
2933 return -ENODEV;
2934
2935 urb = usb_alloc_urb(0, mem_flags);
2936 if (!urb)
2937 return -ENOMEM;
2938
2939 buf = kmalloc(size, mem_flags);
2940 if (!buf) {
2941 usb_free_urb(urb);
2942 return -ENOMEM;
2943 }
2944
2945 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
2946
2947 usb_fill_bulk_urb(urb, data->udev, pipe,
2948 buf, size, btusb_bulk_complete, hdev);
2949
2950 urb->transfer_flags |= URB_FREE_BUFFER;
2951
2952 usb_mark_last_busy(data->udev);
2953 usb_anchor_urb(urb, &data->bulk_anchor);
2954
2955 err = usb_submit_urb(urb, mem_flags);
2956 if (err < 0) {
2957 RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err);
2958 usb_unanchor_urb(urb);
2959 }
2960
2961 usb_free_urb(urb);
2962
2963 return err;
2964}
2965
2966static void btusb_isoc_complete(struct urb *urb)
2967{
2968 struct hci_dev *hdev = urb->context;
2969 struct btusb_data *data = GET_DRV_DATA(hdev);
2970 int i, err;
2971
2972
2973 RTKBT_DBG("%s: urb %p status %d count %d",
2974 __func__, urb, urb->status, urb->actual_length);
2975
2976 if (!test_bit(HCI_RUNNING, &hdev->flags) || !test_bit(BTUSB_ISOC_RUNNING, &data->flags))
2977 return;
2978
2979 if (urb->status == 0) {
2980 for (i = 0; i < urb->number_of_packets; i++) {
2981 unsigned int offset = urb->iso_frame_desc[i].offset;
2982 unsigned int length = urb->iso_frame_desc[i].actual_length;
2983
2984 if (urb->iso_frame_desc[i].status)
2985 continue;
2986
2987 hdev->stat.byte_rx += length;
2988
2989 if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
2990 urb->transfer_buffer + offset,
2991 length) < 0) {
2992 RTKBT_ERR("%s: Corrupted SCO packet", __func__);
2993 hdev->stat.err_rx++;
2994 }
2995 }
2996 }
2997 /* Avoid suspend failed when usb_kill_urb */
2998 else if(urb->status == -ENOENT) {
2999 return;
3000 }
3001
3002 usb_anchor_urb(urb, &data->isoc_anchor);
3003 i = 0;
3004retry:
3005 err = usb_submit_urb(urb, GFP_ATOMIC);
3006 if (err < 0) {
3007 /* -EPERM: urb is being killed;
3008 * -ENODEV: device got disconnected */
3009 if (err != -EPERM && err != -ENODEV)
3010 RTKBT_ERR("%s: Failed to re-sumbit urb %p, retry %d, err %d",
3011 __func__, urb, i, err);
3012 if (i < 10) {
3013 i++;
3014 mdelay(1);
3015 goto retry;
3016 }
3017
3018 usb_unanchor_urb(urb);
3019 }
3020}
3021
3022static inline void fill_isoc_descriptor(struct urb *urb, int len, int mtu)
3023{
3024 int i, offset = 0;
3025
3026 RTKBT_DBG("%s: len %d mtu %d", __func__, len, mtu);
3027
3028 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
3029 i++, offset += mtu, len -= mtu) {
3030 urb->iso_frame_desc[i].offset = offset;
3031 urb->iso_frame_desc[i].length = mtu;
3032 }
3033
3034 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
3035 urb->iso_frame_desc[i].offset = offset;
3036 urb->iso_frame_desc[i].length = len;
3037 i++;
3038 }
3039
3040 urb->number_of_packets = i;
3041}
3042
3043static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
3044{
3045 struct btusb_data *data = GET_DRV_DATA(hdev);
3046 struct urb *urb;
3047 unsigned char *buf;
3048 unsigned int pipe;
3049 int err, size;
3050
3051 if (!data->isoc_rx_ep)
3052 return -ENODEV;
3053
3054 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
3055 if (!urb)
3056 return -ENOMEM;
3057
3058 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
3059 BTUSB_MAX_ISOC_FRAMES;
3060
3061 buf = kmalloc(size, mem_flags);
3062 if (!buf) {
3063 usb_free_urb(urb);
3064 return -ENOMEM;
3065 }
3066
3067 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
3068
3069 urb->dev = data->udev;
3070 urb->pipe = pipe;
3071 urb->context = hdev;
3072 urb->complete = btusb_isoc_complete;
3073 urb->interval = data->isoc_rx_ep->bInterval;
3074
3075 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
3076 urb->transfer_buffer = buf;
3077 urb->transfer_buffer_length = size;
3078
3079 fill_isoc_descriptor(urb, size,
3080 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
3081
3082 usb_anchor_urb(urb, &data->isoc_anchor);
3083
3084 err = usb_submit_urb(urb, mem_flags);
3085 if (err < 0) {
3086 RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err);
3087 usb_unanchor_urb(urb);
3088 }
3089
3090 usb_free_urb(urb);
3091
3092 return err;
3093}
3094
3095static void btusb_tx_complete(struct urb *urb)
3096{
3097 struct sk_buff *skb = urb->context;
3098 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
3099 struct btusb_data *data = GET_DRV_DATA(hdev);
3100
3101 if (!test_bit(HCI_RUNNING, &hdev->flags))
3102 goto done;
3103
3104 if (!urb->status)
3105 hdev->stat.byte_tx += urb->transfer_buffer_length;
3106 else
3107 hdev->stat.err_tx++;
3108
3109done:
3110 spin_lock(&data->txlock);
3111 data->tx_in_flight--;
3112 spin_unlock(&data->txlock);
3113
3114 kfree(urb->setup_packet);
3115
3116 kfree_skb(skb);
3117}
3118
3119static void btusb_isoc_tx_complete(struct urb *urb)
3120{
3121 struct sk_buff *skb = urb->context;
3122 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
3123
3124 RTKBT_DBG("%s: urb %p status %d count %d",
3125 __func__, urb, urb->status, urb->actual_length);
3126
3127 if (skb && hdev) {
3128 if (!test_bit(HCI_RUNNING, &hdev->flags))
3129 goto done;
3130
3131 if (!urb->status)
3132 hdev->stat.byte_tx += urb->transfer_buffer_length;
3133 else
3134 hdev->stat.err_tx++;
3135 } else
3136 RTKBT_ERR("%s: skb 0x%p hdev 0x%p", __func__, skb, hdev);
3137
3138done:
3139 kfree(urb->setup_packet);
3140
3141 kfree_skb(skb);
3142}
3143
3144static int btusb_open(struct hci_dev *hdev)
3145{
3146 struct btusb_data *data = GET_DRV_DATA(hdev);
3147 int err = 0;
3148
f7839fb1
JA		 3149// RTKBT_INFO("%s: Start, PM usage count %d", __func__,
3150// atomic_read(&(data->intf->pm_usage_cnt)));
b2ef244e
JA		 3151
3152 err = usb_autopm_get_interface(data->intf);
3153 if (err < 0)
3154 return err;
3155
3156 data->intf->needs_remote_wakeup = 1;
3157
3158 if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
3159 goto done;
3160
3161 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
3162 goto done;
3163
3164 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
3165 if (err < 0)
3166 goto failed;
3167
3168 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
3169 if (err < 0) {
3170 mdelay(URB_CANCELING_DELAY_MS);
3171 usb_kill_anchored_urbs(&data->intr_anchor);
3172 goto failed;
3173 }
3174
3175 set_bit(BTUSB_BULK_RUNNING, &data->flags);
3176 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
3177
3178done:
3179 usb_autopm_put_interface(data->intf);
f7839fb1
JA		 3180// RTKBT_INFO("%s: End, PM usage count %d", __func__,
3181// atomic_read(&(data->intf->pm_usage_cnt)));
b2ef244e
JA		 3182 return 0;
3183
3184failed:
3185 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
3186 clear_bit(HCI_RUNNING, &hdev->flags);
3187 usb_autopm_put_interface(data->intf);
f7839fb1
JA		 3188// RTKBT_ERR("%s: Failed, PM usage count %d", __func__,
3189// atomic_read(&(data->intf->pm_usage_cnt)));
b2ef244e
JA		 3190 return err;
3191}
3192
3193static void btusb_stop_traffic(struct btusb_data *data)
3194{
3195 mdelay(URB_CANCELING_DELAY_MS);
3196 usb_kill_anchored_urbs(&data->intr_anchor);
3197 usb_kill_anchored_urbs(&data->bulk_anchor);
3198 usb_kill_anchored_urbs(&data->isoc_anchor);
3199}
3200
3201static int btusb_close(struct hci_dev *hdev)
3202{
3203 struct btusb_data *data = GET_DRV_DATA(hdev);
3204 int i, err;
3205
3206 RTKBT_INFO("%s: hci running %lu", __func__, hdev->flags & HCI_RUNNING);
3207
3208 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
3209 return 0;
3210
3211 for (i = 0; i < NUM_REASSEMBLY; i++) {
3212 if (hdev->reassembly[i]) {
3213 RTKBT_DBG("%s: free ressembly[%d]", __func__, i);
3214 kfree_skb(hdev->reassembly[i]);
3215 hdev->reassembly[i] = NULL;
3216 }
3217 }
3218
3219 cancel_work_sync(&data->work);
3220 cancel_work_sync(&data->waker);
3221
3222 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3223 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
3224 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
3225
3226 btusb_stop_traffic(data);
3227 err = usb_autopm_get_interface(data->intf);
3228 if (err < 0)
3229 goto failed;
3230
3231 data->intf->needs_remote_wakeup = 0;
3232 usb_autopm_put_interface(data->intf);
3233
3234failed:
3235 mdelay(URB_CANCELING_DELAY_MS);
3236 usb_scuttle_anchored_urbs(&data->deferred);
3237 return 0;
3238}
3239
3240static int btusb_flush(struct hci_dev *hdev)
3241{
3242 struct btusb_data *data = GET_DRV_DATA(hdev);
3243
3244 RTKBT_DBG("%s", __func__);
3245
3246 mdelay(URB_CANCELING_DELAY_MS);
3247 usb_kill_anchored_urbs(&data->tx_anchor);
3248
3249 return 0;
3250}
3251
3252#ifdef CONFIG_SCO_OVER_HCI
3253static void btusb_isoc_snd_tx_complete(struct urb *urb);
3254
3255static int snd_send_sco_frame(struct sk_buff *skb)
3256{
3257 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
3258
3259 struct btusb_data *data = GET_DRV_DATA(hdev);
3260 //struct usb_ctrlrequest *dr;
3261 struct urb *urb;
3262 unsigned int pipe;
3263 int err;
3264
3265 RTKBT_DBG("%s:pkt type %d, packet_len : %d",
3266 __func__,bt_cb(skb)->pkt_type, skb->len);
3267
3268 if (!hdev && !test_bit(HCI_RUNNING, &hdev->flags))
3269 return -EBUSY;
3270
3271 if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) {
3272 kfree(skb);
3273 return -ENODEV;
3274 }
3275
3276 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
3277 if (!urb) {
3278 RTKBT_ERR("%s: Failed to allocate mem for sco pkts", __func__);
3279 kfree(skb);
3280 return -ENOMEM;
3281 }
3282
3283 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
3284
3285 usb_fill_int_urb(urb, data->udev, pipe,
3286 skb->data, skb->len, btusb_isoc_snd_tx_complete,
3287 skb, data->isoc_tx_ep->bInterval);
3288
3289 urb->transfer_flags = URB_ISO_ASAP;
3290
3291 fill_isoc_descriptor(urb, skb->len,
3292 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
3293
3294 hdev->stat.sco_tx++;
3295
3296 usb_anchor_urb(urb, &data->tx_anchor);
3297
3298 err = usb_submit_urb(urb, GFP_ATOMIC);
3299 if (err < 0) {
3300 RTKBT_ERR("%s: Failed to submit urb %p, pkt type %d, err %d",
3301 __func__, urb, bt_cb(skb)->pkt_type, err);
3302 kfree(urb->setup_packet);
3303 usb_unanchor_urb(urb);
3304 } else
3305 usb_mark_last_busy(data->udev);
3306 usb_free_urb(urb);
3307
3308 return err;
3309
3310}
3311
3312static bool snd_copy_send_sco_data( RTK_sco_card_t *pSCOSnd)
3313{
3314 struct snd_pcm_runtime *runtime = pSCOSnd->playback.substream->runtime;
3315 unsigned int frame_bytes = 2, frames1;
3316 const u8 *source;
3317
3318 snd_pcm_uframes_t period_size = runtime->period_size;
3319 int i, count;
3320 u8 buffer[period_size * 3];
3321 int sco_packet_bytes = pSCOSnd->playback.sco_packet_bytes;
3322 struct sk_buff *skb;
3323
3324 count = frames_to_bytes(runtime, period_size)/sco_packet_bytes;
3325 skb = bt_skb_alloc(((sco_packet_bytes + HCI_SCO_HDR_SIZE) * count), GFP_ATOMIC);
3326 skb->dev = (void *)hci_dev_get(0);
3327 bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
3328 skb_put(skb, ((sco_packet_bytes + HCI_SCO_HDR_SIZE) * count));
3329 if(!skb)
3330 return false;
3331
3332 RTKBT_DBG("%s, buffer_pos: %d", __FUNCTION__, pSCOSnd->playback.buffer_pos);
3333
3334 source = runtime->dma_area + pSCOSnd->playback.buffer_pos * frame_bytes;
3335
3336 if (pSCOSnd->playback.buffer_pos + period_size <= runtime->buffer_size) {
3337 memcpy(buffer, source, period_size * frame_bytes);
3338 } else {
3339 /* wrap around at end of ring buffer */
3340 frames1 = runtime->buffer_size - pSCOSnd->playback.buffer_pos;
3341 memcpy(buffer, source, frames1 * frame_bytes);
3342 memcpy(&buffer[frames1 * frame_bytes],
3343 runtime->dma_area, (period_size - frames1) * frame_bytes);
3344 }
3345
3346 pSCOSnd->playback.buffer_pos += period_size;
3347 if ( pSCOSnd->playback.buffer_pos >= runtime->buffer_size)
3348 pSCOSnd->playback.buffer_pos -= runtime->buffer_size;
3349
3350 for(i = 0; i < count; i++) {
3351 *((__u16 *)(skb->data + i * (sco_packet_bytes + HCI_SCO_HDR_SIZE))) = pSCOSnd->usb_data->sco_handle;
3352 *((__u8 *)(skb->data + i*(sco_packet_bytes + HCI_SCO_HDR_SIZE) + 2)) = sco_packet_bytes;
3353 memcpy((skb->data + i * (sco_packet_bytes + HCI_SCO_HDR_SIZE) + HCI_SCO_HDR_SIZE),
3354 &buffer[sco_packet_bytes * i], sco_packet_bytes);
3355 }
3356
3357 if(test_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states)) {
3358 snd_pcm_period_elapsed(pSCOSnd->playback.substream);
3359 }
3360 snd_send_sco_frame(skb);
3361 return true;
3362}
3363
3364static void btusb_isoc_snd_tx_complete(struct urb *urb)
3365{
3366 struct sk_buff *skb = urb->context;
3367 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
3368 struct btusb_data *data = GET_DRV_DATA(hdev);
3369 RTK_sco_card_t *pSCOSnd = data->pSCOSnd;
3370
3371 RTKBT_DBG("%s: status %d count %d",
3372 __func__,urb->status, urb->actual_length);
3373
3374 if (skb && hdev) {
3375 if (!test_bit(HCI_RUNNING, &hdev->flags))
3376 goto done;
3377
3378 if (!urb->status)
3379 hdev->stat.byte_tx += urb->transfer_buffer_length;
3380 else
3381 hdev->stat.err_tx++;
3382 } else
3383 RTKBT_ERR("%s: skb 0x%p hdev 0x%p", __func__, skb, hdev);
3384
3385done:
3386 kfree(urb->setup_packet);
3387 kfree_skb(skb);
3388 if(test_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states)){
3389 snd_copy_send_sco_data(pSCOSnd);
3390 //schedule_work(&pSCOSnd->send_sco_work);
3391 }
3392}
3393
3394static void playback_work(struct work_struct *work)
3395{
3396 RTK_sco_card_t *pSCOSnd = container_of(work, RTK_sco_card_t, send_sco_work);
3397
3398 snd_copy_send_sco_data(pSCOSnd);
3399}
3400
3401#endif
3402
3403static int btusb_send_frame(struct sk_buff *skb)
3404{
3405 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
3406
3407 struct btusb_data *data = GET_DRV_DATA(hdev);
3408 struct usb_ctrlrequest *dr;
3409 struct urb *urb;
3410 unsigned int pipe;
3411 int err;
3412 int retries = 0;
3413
3414 RTKBT_DBG("%s: hdev %p, btusb data %p, pkt type %d",
3415 __func__, hdev, data, bt_cb(skb)->pkt_type);
3416
3417 if (!test_bit(HCI_RUNNING, &hdev->flags))
3418 return -EBUSY;
3419
3420
3421
3422 switch (bt_cb(skb)->pkt_type) {
3423 case HCI_COMMAND_PKT:
3424 print_command(skb);
3425 urb = usb_alloc_urb(0, GFP_ATOMIC);
3426 if (!urb)
3427 return -ENOMEM;
3428
3429 dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
3430 if (!dr) {
3431 usb_free_urb(urb);
3432 return -ENOMEM;
3433 }
3434
3435 dr->bRequestType = data->cmdreq_type;
3436 dr->bRequest = 0;
3437 dr->wIndex = 0;
3438 dr->wValue = 0;
3439 dr->wLength = __cpu_to_le16(skb->len);
3440
3441 pipe = usb_sndctrlpipe(data->udev, 0x00);
3442
3443 usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
3444 skb->data, skb->len, btusb_tx_complete, skb);
3445
3446 hdev->stat.cmd_tx++;
3447 break;
3448
3449 case HCI_ACLDATA_PKT:
3450 print_acl(skb, 1);
3451 if (!data->bulk_tx_ep)
3452 return -ENODEV;
3453
3454 urb = usb_alloc_urb(0, GFP_ATOMIC);
3455 if (!urb)
3456 return -ENOMEM;
3457
3458 pipe = usb_sndbulkpipe(data->udev,
3459 data->bulk_tx_ep->bEndpointAddress);
3460
3461 usb_fill_bulk_urb(urb, data->udev, pipe,
3462 skb->data, skb->len, btusb_tx_complete, skb);
3463
3464 hdev->stat.acl_tx++;
3465 break;
3466
3467 case HCI_SCODATA_PKT:
3468 print_sco(skb, 1);
3469 if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) {
3470 kfree(skb);
3471 return -ENODEV;
3472 }
3473
3474 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
3475 if (!urb) {
3476 RTKBT_ERR("%s: Failed to allocate mem for sco pkts", __func__);
3477 kfree(skb);
3478 return -ENOMEM;
3479 }
3480
3481 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
3482
3483 usb_fill_int_urb(urb, data->udev, pipe,
3484 skb->data, skb->len, btusb_isoc_tx_complete,
3485 skb, data->isoc_tx_ep->bInterval);
3486
3487 urb->transfer_flags = URB_ISO_ASAP;
3488
3489 fill_isoc_descriptor(urb, skb->len,
3490 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
3491
3492 hdev->stat.sco_tx++;
3493 goto skip_waking;
3494
3495 default:
3496 return -EILSEQ;
3497 }
3498
3499 err = inc_tx(data);
3500 if (err) {
3501 usb_anchor_urb(urb, &data->deferred);
3502 schedule_work(&data->waker);
3503 err = 0;
3504 goto done;
3505 }
3506
3507skip_waking:
3508 usb_anchor_urb(urb, &data->tx_anchor);
3509retry:
3510 err = usb_submit_urb(urb, GFP_ATOMIC);
3511 if (err < 0) {
3512 RTKBT_ERR("%s: Failed to submit urb %p, pkt type %d, err %d, retries %d",
3513 __func__, urb, bt_cb(skb)->pkt_type, err, retries);
3514 if ((bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) && (retries < 10)) {
3515 mdelay(1);
3516
3517 if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT)
3518 print_error_command(skb);
3519 retries++;
3520 goto retry;
3521 }
3522 kfree(urb->setup_packet);
3523 usb_unanchor_urb(urb);
3524 } else
3525 usb_mark_last_busy(data->udev);
3526 usb_free_urb(urb);
3527
3528done:
3529 return err;
3530}
3531
3532#if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
3533static void btusb_destruct(struct hci_dev *hdev)
3534{
3535 struct btusb_data *data = GET_DRV_DATA(hdev);
3536
3537 RTKBT_DBG("%s: name %s", __func__, hdev->name);
3538
3539 kfree(data);
3540}
3541#endif
3542
3543static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
3544{
3545 struct btusb_data *data = GET_DRV_DATA(hdev);
3546
3547 RTKBT_DBG("%s: name %s, evt %d", __func__, hdev->name, evt);
3548
3549 RTKBT_INFO("%s: hdev->conn_hash.sco_num= %d, data->sco_num = %d", __func__, hdev->conn_hash.sco_num,
3550 data->sco_num);
3551 if (hdev->conn_hash.sco_num != data->sco_num) {
3552 data->sco_num = hdev->conn_hash.sco_num;
3553 schedule_work(&data->work);
3554 }
3555}
3556
3557static inline int set_isoc_interface(struct hci_dev *hdev, int altsetting)
3558{
3559 struct btusb_data *data = GET_DRV_DATA(hdev);
3560 struct usb_interface *intf = data->isoc;
3561 struct usb_endpoint_descriptor *ep_desc;
3562 int i, err;
3563
3564 if (!data->isoc)
3565 return -ENODEV;
3566
3567 err = usb_set_interface(data->udev, 1, altsetting);
3568 if (err < 0) {
3569 RTKBT_ERR("%s: Failed to set interface, altsetting %d, err %d",
3570 __func__, altsetting, err);
3571 return err;
3572 }
3573
3574 data->isoc_altsetting = altsetting;
3575
3576 data->isoc_tx_ep = NULL;
3577 data->isoc_rx_ep = NULL;
3578
3579 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3580 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3581
3582 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
3583 data->isoc_tx_ep = ep_desc;
3584 continue;
3585 }
3586
3587 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
3588 data->isoc_rx_ep = ep_desc;
3589 continue;
3590 }
3591 }
3592
3593 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
3594 RTKBT_ERR("%s: Invalid SCO descriptors", __func__);
3595 return -ENODEV;
3596 }
3597
3598 return 0;
3599}
3600
3601static int check_controller_support_msbc( struct usb_device *udev)
3602{
3603 //fix this in the future,when new card support msbc decode and encode
3604 RTKBT_INFO("%s:pid = 0x%02x, vid = 0x%02x",__func__,udev->descriptor.idProduct, udev->descriptor.idVendor);
3605 switch (udev->descriptor.idProduct) {
3606
3607 default:
3608 return 0;
3609 }
3610 return 0;
3611}
3612
3613static void btusb_work(struct work_struct *work)
3614{
3615 struct btusb_data *data = container_of(work, struct btusb_data, work);
3616 struct hci_dev *hdev = data->hdev;
3617 struct sk_buff *skb;
3618
3619 int err;
3620 int new_alts;
3621 if (data->sco_num > 0) {
3622 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
3623 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
3624 if (err < 0) {
3625 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3626 mdelay(URB_CANCELING_DELAY_MS);
3627 usb_kill_anchored_urbs(&data->isoc_anchor);
3628 return;
3629 }
3630
3631 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
3632 }
3633
3634 RTKBT_INFO("%s voice settings = 0x%04x", __func__, hdev->voice_setting);
3635 if (!(hdev->voice_setting & 0x0003)) {
3636 if(data->sco_num == 1)
3637 new_alts = 2;
3638 else {
3639 RTKBT_ERR("%s: we don't support mutiple sco link for cvsd", __func__);
3640 return;
3641 }
3642 } else{
3643 if(check_controller_support_msbc(data->udev)) {
3644 if(data->sco_num == 1)
3645 new_alts = 4;
3646 else {
3647 RTKBT_ERR("%s: we don't support mutiple sco link for msbc", __func__);
3648 return;
3649 }
3650 } else {
3651 new_alts = 2;
3652 }
3653 }
3654 if (data->isoc_altsetting != new_alts) {
3655
3656 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3657 mdelay(URB_CANCELING_DELAY_MS);
3658 usb_kill_anchored_urbs(&data->isoc_anchor);
3659
3660 if(hdev->reassembly[HCI_SCODATA_PKT - 1]) {
3661 skb = hdev->reassembly[HCI_SCODATA_PKT - 1];
3662 hdev->reassembly[HCI_SCODATA_PKT - 1] = NULL;
3663 kfree_skb(skb);
3664 }
3665 if (set_isoc_interface(hdev, new_alts) < 0)
3666 return;
3667 }
3668
3669 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
3670 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
3671 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3672 else
3673 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
3674 }
3675#ifdef CONFIG_SCO_OVER_HCI
3676 if(test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
3677 set_bit(USB_CAPTURE_RUNNING, &data->pSCOSnd->states);
3678 set_bit(USB_PLAYBACK_RUNNING, &data->pSCOSnd->states);
3679 }
3680#endif
3681 } else {
3682 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3683#ifdef CONFIG_SCO_OVER_HCI
3684 clear_bit(USB_CAPTURE_RUNNING, &data->pSCOSnd->states);
3685 clear_bit(USB_PLAYBACK_RUNNING, &data->pSCOSnd->states);
3686#endif
3687 mdelay(URB_CANCELING_DELAY_MS);
3688 usb_kill_anchored_urbs(&data->isoc_anchor);
3689
3690 set_isoc_interface(hdev, 0);
3691
3692 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
3693 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
3694 }
3695}
3696
3697static void btusb_waker(struct work_struct *work)
3698{
3699 struct btusb_data *data = container_of(work, struct btusb_data, waker);
3700 int err;
3701
f7839fb1
JA		 3702// RTKBT_DBG("%s: PM usage count %d", __func__,
3703// atomic_read(&data->intf->pm_usage_cnt));
b2ef244e
JA		 3704
3705 err = usb_autopm_get_interface(data->intf);
3706 if (err < 0)
3707 return;
3708
3709 usb_autopm_put_interface(data->intf);
3710}
3711
3712
3713//#ifdef CONFIG_HAS_EARLYSUSPEND
3714#if 0
3715static void btusb_early_suspend(struct early_suspend *h)
3716{
3717 struct btusb_data *data;
3718 firmware_info *fw_info;
3719 patch_info *patch_entry;
3720
3721 RTKBT_INFO("%s", __func__);
3722
3723 data = container_of(h, struct btusb_data, early_suspend);
3724 fw_info = data->fw_info;
3725 patch_entry = fw_info->patch_entry;
3726
3727 patch_entry->fw_len = load_firmware(fw_info, &patch_entry->fw_cache);
3728 if (patch_entry->fw_len <= 0) {
3729 /* We may encount failure in loading firmware, just give a warning */
3730 RTKBT_WARN("%s: Failed to load firmware", __func__);
3731 }
3732}
3733
3734static void btusb_late_resume(struct early_suspend *h)
3735{
3736 struct btusb_data *data;
3737 firmware_info *fw_info;
3738 patch_info *patch_entry;
3739
3740 RTKBT_INFO("%s", __func__);
3741
3742 data = container_of(h, struct btusb_data, early_suspend);
3743 fw_info = data->fw_info;
3744 patch_entry = fw_info->patch_entry;
3745
3746 /* Reclaim fw buffer when bt usb resumed */
3747 if (patch_entry->fw_len > 0) {
3748 kfree(patch_entry->fw_cache);
3749 patch_entry->fw_cache = NULL;
3750 patch_entry->fw_len = 0;
3751 }
3752}
3753#else
3754int bt_pm_notify(struct notifier_block *notifier, ulong pm_event, void *unused)
3755{
3756 struct btusb_data *data;
3757 firmware_info *fw_info;
3758 patch_info *patch_entry;
3759 struct usb_device *udev;
3760
3761 RTKBT_INFO("%s: pm event %ld", __func__, pm_event);
3762
3763 data = container_of(notifier, struct btusb_data, pm_notifier);
3764 fw_info = data->fw_info;
3765 patch_entry = fw_info->patch_entry;
3766 udev = fw_info->udev;
3767
3768 switch (pm_event) {
3769 case PM_SUSPEND_PREPARE:
3770 case PM_HIBERNATION_PREPARE:
3771#if 0
3772 patch_entry->fw_len = load_firmware(fw_info, &patch_entry->fw_cache);
3773 if (patch_entry->fw_len <= 0) {
3774 /* We may encount failure in loading firmware, just give a warning */
3775 RTKBT_WARN("%s: Failed to load firmware", __func__);
3776 }
3777#endif
3778 if (!device_may_wakeup(&udev->dev)) {
3779#if (CONFIG_RESET_RESUME || CONFIG_BLUEDROID)
3780 RTKBT_INFO("%s:remote wakeup not supported, reset resume supported", __func__);
3781#else
3782 fw_info->intf->needs_binding = 1;
3783 RTKBT_INFO("%s:remote wakeup not supported, binding needed", __func__);
3784#endif
3785 }
3786 break;
3787
3788 case PM_POST_SUSPEND:
3789 case PM_POST_HIBERNATION:
3790 case PM_POST_RESTORE:
3791#if 0
3792 /* Reclaim fw buffer when bt usb resumed */
3793 if (patch_entry->fw_len > 0) {
3794 kfree(patch_entry->fw_cache);
3795 patch_entry->fw_cache = NULL;
3796 patch_entry->fw_len = 0;
3797 }
3798#endif
3799
3800#if BTUSB_RPM
3801 usb_disable_autosuspend(udev);
3802 usb_enable_autosuspend(udev);
3803 pm_runtime_set_autosuspend_delay(&(udev->dev), 2000);
3804#endif
3805 break;
3806
3807 default:
3808 break;
3809 }
3810
3811 return NOTIFY_DONE;
3812}
3813
3814int bt_reboot_notify(struct notifier_block *notifier, ulong pm_event, void *unused)
3815{
3816 struct btusb_data *data;
3817 firmware_info *fw_info;
3818 patch_info *patch_entry;
3819 struct usb_device *udev;
3820
3821 RTKBT_INFO("%s: pm event %ld", __func__, pm_event);
3822
3823 data = container_of(notifier, struct btusb_data, reboot_notifier);
3824 fw_info = data->fw_info;
3825 patch_entry = fw_info->patch_entry;
3826 udev = fw_info->udev;
3827
3828 switch (pm_event) {
3829 case SYS_DOWN:
3830 RTKBT_DBG("%s:system down or restart", __func__);
3831 break;
3832
3833 case SYS_HALT:
3834 case SYS_POWER_OFF:
3835#if SUSPNED_DW_FW
3836 cancel_work_sync(&data->work);
3837
3838 btusb_stop_traffic(data);
3839 mdelay(URB_CANCELING_DELAY_MS);
3840 usb_kill_anchored_urbs(&data->tx_anchor);
3841
3842
3843 if(fw_info_4_suspend) {
3844 download_suspend_patch(fw_info_4_suspend,1);
3845 }
3846 else
3847 RTKBT_ERR("%s: Failed to download suspend fw", __func__);
3848#endif
3849
3850#if SET_WAKEUP_DEVICE
3851 set_wakeup_device_from_conf(fw_info_4_suspend);
3852#endif
3853 RTKBT_DBG("%s:system halt or power off", __func__);
3854 break;
3855
3856 default:
3857 break;
3858 }
3859
3860 return NOTIFY_DONE;
3861}
3862
3863#endif
3864
3865#ifdef CONFIG_SCO_OVER_HCI
3866static const struct snd_pcm_hardware snd_card_sco_capture_default =
3867{
3868 .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_NONINTERLEAVED |
3869 SNDRV_PCM_ACCESS_RW_INTERLEAVED | SNDRV_PCM_INFO_FIFO_IN_FRAMES),
3870 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8,
3871 .rates = (SNDRV_PCM_RATE_8000),
3872 .rate_min = 8000,
3873 .rate_max = 8000,
3874 .channels_min = 1,
3875 .channels_max = 1,
3876 .buffer_bytes_max = 8 * 768,
3877 .period_bytes_min = 48,
3878 .period_bytes_max = 768,
3879 .periods_min = 1,
3880 .periods_max = 8,
3881 .fifo_size = 8,
3882
3883};
3884
3885static int snd_sco_capture_pcm_open(struct snd_pcm_substream * substream)
3886{
3887 RTK_sco_card_t *pSCOSnd = substream->private_data;
3888
3889 RTKBT_INFO("%s", __FUNCTION__);
3890 pSCOSnd->capture.substream = substream;
3891
3892 memcpy(&substream->runtime->hw, &snd_card_sco_capture_default, sizeof(struct snd_pcm_hardware));
3893
3894 if(check_controller_support_msbc(pSCOSnd->dev)) {
3895 substream->runtime->hw.rates |= SNDRV_PCM_RATE_16000;
3896 substream->runtime->hw.rate_max = 16000;
3897 substream->runtime->hw.period_bytes_min = 96;
3898 substream->runtime->hw.period_bytes_max = 16 * 96;
3899 substream->runtime->hw.buffer_bytes_max = 8 * 16 * 96;
3900 }
3901 set_bit(ALSA_CAPTURE_OPEN, &pSCOSnd->states);
3902 return 0;
3903}
3904
3905static int snd_sco_capture_pcm_close(struct snd_pcm_substream *substream)
3906{
3907 RTK_sco_card_t *pSCOSnd = substream->private_data;
3908
3909 clear_bit(ALSA_CAPTURE_OPEN, &pSCOSnd->states);
3910 return 0;
3911}
3912
3913static int snd_sco_capture_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg)
3914{
3915 RTKBT_DBG("%s, cmd = %d", __FUNCTION__, cmd);
3916 switch (cmd)
3917 {
3918 default:
3919 return snd_pcm_lib_ioctl(substream, cmd, arg);
3920 }
3921 return 0;
3922}
3923
3924static int snd_sco_capture_pcm_hw_params(struct snd_pcm_substream * substream, struct snd_pcm_hw_params * hw_params)
3925{
3926
3927 int err;
3928 struct snd_pcm_runtime *runtime = substream->runtime;
3929 err = snd_pcm_lib_alloc_vmalloc_buffer(substream, params_buffer_bytes(hw_params));
3930 RTKBT_INFO("%s,err : %d, runtime state : %d", __FUNCTION__, err, runtime->status->state);
3931 return err;
3932}
3933
3934static int snd_sco_capture_pcm_hw_free(struct snd_pcm_substream * substream)
3935{
3936 RTKBT_DBG("%s", __FUNCTION__);
3937 return snd_pcm_lib_free_vmalloc_buffer(substream);;
3938}
3939
3940static int snd_sco_capture_pcm_prepare(struct snd_pcm_substream *substream)
3941{
3942 RTK_sco_card_t *pSCOSnd = substream->private_data;
3943 struct snd_pcm_runtime *runtime = substream->runtime;
3944
3945 RTKBT_INFO("%s", __FUNCTION__);
3946 if (test_bit(DISCONNECTED, &pSCOSnd->states))
3947 return -ENODEV;
3948 if (!test_bit(USB_CAPTURE_RUNNING, &pSCOSnd->states))
3949 return -EIO;
3950
3951 if(runtime->rate == 8000) {
3952 if(pSCOSnd->usb_data->isoc_altsetting != 2)
3953 return -ENOEXEC;
3954 pSCOSnd->capture.sco_packet_bytes = 48;
3955 }
3956 else if(runtime->rate == 16000 && check_controller_support_msbc(pSCOSnd->dev)) {
3957 if(pSCOSnd->usb_data->isoc_altsetting != 4)
3958 return -ENOEXEC;
3959 pSCOSnd->capture.sco_packet_bytes = 96;
3960 }
3961 else if(pSCOSnd->usb_data->isoc_altsetting == 2) {
3962 pSCOSnd->capture.sco_packet_bytes = 48;
3963 }
3964 else if(pSCOSnd->usb_data->isoc_altsetting == 1) {
3965 pSCOSnd->capture.sco_packet_bytes = 24;
3966 }
3967 return 0;
3968}
3969
3970static int snd_sco_capture_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
3971{
3972 RTK_sco_card_t *pSCOSnd = substream->private_data;
3973 RTKBT_INFO("%s, cmd : %d", __FUNCTION__, cmd);
3974
3975 switch (cmd) {
3976 case SNDRV_PCM_TRIGGER_START:
3977 if (!test_bit(USB_CAPTURE_RUNNING, &pSCOSnd->states))
3978 return -EIO;
3979 set_bit(ALSA_CAPTURE_RUNNING, &pSCOSnd->states);
3980 return 0;
3981 case SNDRV_PCM_TRIGGER_STOP:
3982 clear_bit(ALSA_CAPTURE_RUNNING, &pSCOSnd->states);
3983 return 0;
3984 default:
3985 return -EINVAL;
3986 }
3987}
3988
3989static snd_pcm_uframes_t snd_sco_capture_pcm_pointer(struct snd_pcm_substream *substream)
3990{
3991 RTK_sco_card_t *pSCOSnd = substream->private_data;
3992
3993 return pSCOSnd->capture.buffer_pos;
3994}
3995
3996
3997static struct snd_pcm_ops snd_sco_capture_pcm_ops = {
3998 .open = snd_sco_capture_pcm_open,
3999 .close = snd_sco_capture_pcm_close,
4000 .ioctl = snd_sco_capture_ioctl,
4001 .hw_params = snd_sco_capture_pcm_hw_params,
4002 .hw_free = snd_sco_capture_pcm_hw_free,
4003 .prepare = snd_sco_capture_pcm_prepare,
4004 .trigger = snd_sco_capture_pcm_trigger,
4005 .pointer = snd_sco_capture_pcm_pointer,
4006};
4007
4008
4009static const struct snd_pcm_hardware snd_card_sco_playback_default =
4010{
4011 .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_NONINTERLEAVED |
4012 SNDRV_PCM_ACCESS_RW_INTERLEAVED | SNDRV_PCM_INFO_FIFO_IN_FRAMES),
4013 .formats = SNDRV_PCM_FMTBIT_S16_LE,
4014 .rates = (SNDRV_PCM_RATE_8000),
4015 .rate_min = 8000,
4016 .rate_max = 8000,
4017 .channels_min = 1,
4018 .channels_max = 1,
4019 .buffer_bytes_max = 8 * 768,
4020 .period_bytes_min = 48,
4021 .period_bytes_max = 768,
4022 .periods_min = 1,
4023 .periods_max = 8,
4024 .fifo_size = 8,
4025};
4026
4027static int snd_sco_playback_pcm_open(struct snd_pcm_substream * substream)
4028{
4029 RTK_sco_card_t *pSCOSnd = substream->private_data;
4030 int err = 0;
4031
4032 RTKBT_INFO("%s, rate : %d", __FUNCTION__, substream->runtime->rate);
4033 memcpy(&substream->runtime->hw, &snd_card_sco_playback_default, sizeof(struct snd_pcm_hardware));
4034 if(check_controller_support_msbc(pSCOSnd->dev)) {
4035 substream->runtime->hw.rates |= SNDRV_PCM_RATE_16000;
4036 substream->runtime->hw.rate_max = 16000;
4037 substream->runtime->hw.period_bytes_min = 96;
4038 substream->runtime->hw.period_bytes_max = 16 * 96;
4039 substream->runtime->hw.buffer_bytes_max = 8 * 16 * 96;
4040 }
4041 pSCOSnd->playback.substream = substream;
4042 set_bit(ALSA_PLAYBACK_OPEN, &pSCOSnd->states);
4043
4044 return err;
4045}
4046
4047static int snd_sco_playback_pcm_close(struct snd_pcm_substream *substream)
4048{
4049 RTK_sco_card_t *pSCOSnd = substream->private_data;
4050
4051 clear_bit(ALSA_PLAYBACK_OPEN, &pSCOSnd->states);
4052 cancel_work_sync(&pSCOSnd->send_sco_work);
4053 return 0;
4054}
4055
4056static int snd_sco_playback_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg)
4057{
4058 RTKBT_DBG("%s, cmd : %d", __FUNCTION__, cmd);
4059 switch (cmd)
4060 {
4061 default:
4062 return snd_pcm_lib_ioctl(substream, cmd, arg);
4063 break;
4064 }
4065 return 0;
4066}
4067
4068static int snd_sco_playback_pcm_hw_params(struct snd_pcm_substream * substream, struct snd_pcm_hw_params * hw_params)
4069{
4070 int err;
4071 err = snd_pcm_lib_alloc_vmalloc_buffer(substream, params_buffer_bytes(hw_params));
4072 return err;
4073}
4074
4075static int snd_sco_palyback_pcm_hw_free(struct snd_pcm_substream * substream)
4076{
4077 RTKBT_DBG("%s", __FUNCTION__);
4078 return snd_pcm_lib_free_vmalloc_buffer(substream);
4079}
4080
4081static int snd_sco_playback_pcm_prepare(struct snd_pcm_substream *substream)
4082{
4083 RTK_sco_card_t *pSCOSnd = substream->private_data;
4084 struct snd_pcm_runtime *runtime = substream->runtime;
4085
4086 RTKBT_INFO("%s, bound_rate = %d", __FUNCTION__, runtime->rate);
4087
4088 if (test_bit(DISCONNECTED, &pSCOSnd->states))
4089 return -ENODEV;
4090 if (!test_bit(USB_PLAYBACK_RUNNING, &pSCOSnd->states))
4091 return -EIO;
4092
4093 if(runtime->rate == 8000) {
4094 if(pSCOSnd->usb_data->isoc_altsetting != 2)
4095 return -ENOEXEC;
4096 pSCOSnd->playback.sco_packet_bytes = 48;
4097 }
4098 else if(runtime->rate == 16000) {
4099 if(pSCOSnd->usb_data->isoc_altsetting != 4)
4100 return -ENOEXEC;
4101 pSCOSnd->playback.sco_packet_bytes = 96;
4102 }
4103
4104 return 0;
4105}
4106
4107static int snd_sco_playback_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
4108{
4109 RTK_sco_card_t *pSCOSnd = substream->private_data;
4110
4111 RTKBT_INFO("%s, cmd = %d", __FUNCTION__, cmd);
4112 switch (cmd) {
4113 case SNDRV_PCM_TRIGGER_START:
4114 if (!test_bit(USB_PLAYBACK_RUNNING, &pSCOSnd->states))
4115 return -EIO;
4116 set_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states);
4117 schedule_work(&pSCOSnd->send_sco_work);
4118 return 0;
4119 case SNDRV_PCM_TRIGGER_STOP:
4120 clear_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states);
4121 return 0;
4122 default:
4123 return -EINVAL;
4124 }
4125}
4126
4127static snd_pcm_uframes_t snd_sco_playback_pcm_pointer(struct snd_pcm_substream *substream)
4128{
4129 RTK_sco_card_t *pSCOSnd = substream->private_data;
4130
4131 return pSCOSnd->playback.buffer_pos;
4132}
4133
4134
4135static struct snd_pcm_ops snd_sco_playback_pcm_ops = {
4136 .open = snd_sco_playback_pcm_open,
4137 .close = snd_sco_playback_pcm_close,
4138 .ioctl = snd_sco_playback_ioctl,
4139 .hw_params = snd_sco_playback_pcm_hw_params,
4140 .hw_free = snd_sco_palyback_pcm_hw_free,
4141 .prepare = snd_sco_playback_pcm_prepare,
4142 .trigger = snd_sco_playback_pcm_trigger,
4143 .pointer = snd_sco_playback_pcm_pointer,
4144};
4145
4146
4147static RTK_sco_card_t* btusb_snd_init(struct usb_interface *intf, const struct usb_device_id *id, struct btusb_data *data)
4148{
4149 struct snd_card *card;
4150 RTK_sco_card_t *pSCOSnd;
4151 int err=0;
4152 RTKBT_INFO("%s", __func__);
4153 err = snd_card_new(&intf->dev,
4154 -1, RTK_SCO_ID, THIS_MODULE,
4155 sizeof(RTK_sco_card_t), &card);
4156 if (err < 0) {
4157 RTKBT_ERR("%s: sco snd card create fail", __func__);
4158 return NULL;
4159 }
4160 // private data
4161 pSCOSnd = (RTK_sco_card_t *)card->private_data;
4162 pSCOSnd->card = card;
4163 pSCOSnd->dev = interface_to_usbdev(intf);
4164 pSCOSnd->usb_data = data;
4165
4166 strcpy(card->driver, RTK_SCO_ID);
4167 strcpy(card->shortname, "Realtek sco snd");
4168 sprintf(card->longname, "Realtek sco over hci: VID:0x%04x, PID:0x%04x",
4169 id->idVendor, pSCOSnd->dev->descriptor.idProduct);
4170
4171 err = snd_pcm_new(card, RTK_SCO_ID, 0, 1, 1, &pSCOSnd->pcm);
4172 if (err < 0) {
4173 RTKBT_ERR("%s: sco snd card new pcm fail", __func__);
4174 return NULL;
4175 }
4176 pSCOSnd->pcm->private_data = pSCOSnd;
4177 sprintf(pSCOSnd->pcm->name, "sco_pcm:VID:0x%04x, PID:0x%04x",
4178 id->idVendor, pSCOSnd->dev->descriptor.idProduct);
4179
4180 snd_pcm_set_ops(pSCOSnd->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_sco_playback_pcm_ops);
4181 snd_pcm_set_ops(pSCOSnd->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_sco_capture_pcm_ops);
4182
4183 err = snd_card_register(card);
4184 if (err < 0) {
4185 RTKBT_ERR("%s: sco snd card register card fail", __func__);
4186 return NULL;
4187 }
4188
4189 spin_lock_init(&pSCOSnd->capture_lock);
4190 spin_lock_init(&pSCOSnd->playback_lock);
4191 INIT_WORK(&pSCOSnd->send_sco_work, playback_work);
4192 return pSCOSnd;
4193}
4194#endif
4195
4196static int btusb_probe(struct usb_interface *intf, const struct usb_device_id *id)
4197{
4198 struct usb_device *udev = interface_to_usbdev(intf);
4199 struct usb_endpoint_descriptor *ep_desc;
4200 struct btusb_data *data;
4201 struct hci_dev *hdev;
4202 firmware_info *fw_info;
4203 int i, err=0;
4204
4205 RTKBT_INFO("%s: usb_interface %p, bInterfaceNumber %d, idVendor 0x%04x, "
4206 "idProduct 0x%04x", __func__, intf,
4207 intf->cur_altsetting->desc.bInterfaceNumber,
4208 id->idVendor, id->idProduct);
4209
4210 /* interface numbers are hardcoded in the spec */
4211 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
4212 return -ENODEV;
4213
4214 RTKBT_DBG("%s: can wakeup = %x, may wakeup = %x", __func__,
4215 device_can_wakeup(&udev->dev), device_may_wakeup(&udev->dev));
4216
4217 data = rtk_alloc(intf);
4218 if (!data)
4219 return -ENOMEM;
4220
4221 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
4222 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
4223
4224 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
4225 data->intr_ep = ep_desc;
4226 continue;
4227 }
4228
4229 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
4230 data->bulk_tx_ep = ep_desc;
4231 continue;
4232 }
4233
4234 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
4235 data->bulk_rx_ep = ep_desc;
4236 continue;
4237 }
4238 }
4239
4240 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
4241 rtk_free(data);
4242 return -ENODEV;
4243 }
4244
4245 data->cmdreq_type = USB_TYPE_CLASS;
4246
4247 data->udev = udev;
4248 data->intf = intf;
4249
4250 dlfw_dis_state = 0;
4251 spin_lock_init(&queue_lock);
4252 spin_lock_init(&dlfw_lock);
4253 spin_lock_init(&data->lock);
4254
4255 INIT_WORK(&data->work, btusb_work);
4256 INIT_WORK(&data->waker, btusb_waker);
4257 spin_lock_init(&data->txlock);
4258
4259 init_usb_anchor(&data->tx_anchor);
4260 init_usb_anchor(&data->intr_anchor);
4261 init_usb_anchor(&data->bulk_anchor);
4262 init_usb_anchor(&data->isoc_anchor);
4263 init_usb_anchor(&data->deferred);
4264
4265 fw_info = firmware_info_init(intf);
4266 if (fw_info)
4267 data->fw_info = fw_info;
4268 else {
4269 RTKBT_WARN("%s: Failed to initialize fw info", __func__);
4270 /* Skip download patch */
4271 goto end;
4272 }
4273
4274 hdev = hci_alloc_dev();
4275 if (!hdev) {
4276 rtk_free(data);
4277 data = NULL;
4278 return -ENOMEM;
4279 }
4280
4281 HDEV_BUS = HCI_USB;
4282
4283 data->hdev = hdev;
4284
4285 SET_HCIDEV_DEV(hdev, &intf->dev);
4286
4287 hdev->open = btusb_open;
4288 hdev->close = btusb_close;
4289 hdev->flush = btusb_flush;
4290 hdev->send = btusb_send_frame;
4291 hdev->notify = btusb_notify;
4292
4293#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0)
4294 hci_set_drvdata(hdev, data);
4295#else
4296 hdev->driver_data = data;
4297 hdev->destruct = btusb_destruct;
4298 hdev->owner = THIS_MODULE;
4299#endif
4300
4301#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 1)
4302 if (!reset_on_close){
4303 /* set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); */
4304 RTKBT_DBG("%s: Set HCI_QUIRK_RESET_ON_CLOSE", __func__);
4305 }
4306#endif
4307
4308 /* Interface numbers are hardcoded in the specification */
4309 data->isoc = usb_ifnum_to_if(data->udev, 1);
4310 if (data->isoc) {
4311 err = usb_driver_claim_interface(&btusb_driver,
4312 data->isoc, data);
4313 if (err < 0) {
4314 hci_free_dev(hdev);
4315 hdev = NULL;
4316 rtk_free(data);
4317 data = NULL;
4318 return err;
4319 }
4320#ifdef CONFIG_SCO_OVER_HCI
4321 data->pSCOSnd = btusb_snd_init(intf, id, data);
4322#endif
4323 }
4324
4325 err = hci_register_dev(hdev);
4326 if (err < 0) {
4327 hci_free_dev(hdev);
4328 hdev = NULL;
4329 rtk_free(data);
4330 data = NULL;
4331 return err;
4332 }
4333
4334 usb_set_intfdata(intf, data);
4335
4336//#ifdef CONFIG_HAS_EARLYSUSPEND
4337#if 0
4338 data->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN;
4339 data->early_suspend.suspend = btusb_early_suspend;
4340 data->early_suspend.resume = btusb_late_resume;
4341 register_early_suspend(&data->early_suspend);
4342#else
4343 data->pm_notifier.notifier_call = bt_pm_notify;
4344 data->reboot_notifier.notifier_call = bt_reboot_notify;
4345 register_pm_notifier(&data->pm_notifier);
4346 register_reboot_notifier(&data->reboot_notifier);
4347#endif
4348
4349#if CONFIG_BLUEDROID
4350 RTKBT_INFO("%s: Check bt reset flag %d", __func__, bt_reset);
4351 /* Report hci hardware error after everthing is ready,
4352 * especially hci register is completed. Or, btchr_poll
4353 * will get null hci dev when hotplug in.
4354 */
4355 if (bt_reset == 1) {
4356 hci_hardware_error();
4357 bt_reset = 0;
4358 } else
4359 bt_reset = 0; /* Clear and reset it anyway */
4360#endif
4361
4362end:
4363 return 0;
4364}
4365
4366static void btusb_disconnect(struct usb_interface *intf)
4367{
4368 struct btusb_data *data;
4369 struct hci_dev *hdev = NULL;
4370
4371 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
4372 return;
4373
4374 wait_event_interruptible(bt_dlfw_wait, (check_set_dlfw_state_value(2) == 2));
4375
4376 RTKBT_INFO("%s: usb_interface %p, bInterfaceNumber %d",
4377 __func__, intf, intf->cur_altsetting->desc.bInterfaceNumber);
4378
4379 data = usb_get_intfdata(intf);
4380
4381 if (data)
4382 hdev = data->hdev;
4383 else {
4384 RTKBT_WARN("%s: Failed to get bt usb data[Null]", __func__);
4385 return;
4386 }
4387
4388#ifdef CONFIG_SCO_OVER_HCI
4389 if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
4390 RTK_sco_card_t *pSCOSnd = data->pSCOSnd;
4391 if(!pSCOSnd) {
4392 RTKBT_ERR("%s: sco private data is null", __func__);
4393 return;
4394 }
4395 set_bit(DISCONNECTED, &pSCOSnd->states);
4396 snd_card_disconnect(pSCOSnd->card);
4397 snd_card_free_when_closed(pSCOSnd->card);
4398 }
4399#endif
4400
4401//#ifdef CONFIG_HAS_EARLYSUSPEND
4402#if 0
4403 unregister_early_suspend(&data->early_suspend);
4404#else
4405 unregister_pm_notifier(&data->pm_notifier);
4406 unregister_reboot_notifier(&data->reboot_notifier);
4407#endif
4408
4409 firmware_info_destroy(intf);
4410
4411#if CONFIG_BLUEDROID
4412 if (test_bit(HCI_RUNNING, &hdev->flags)) {
4413 RTKBT_INFO("%s: Set BT reset flag", __func__);
4414 bt_reset = 1;
4415 }
4416#endif
4417
4418 usb_set_intfdata(data->intf, NULL);
4419
4420 if (data->isoc)
4421 usb_set_intfdata(data->isoc, NULL);
4422
4423 hci_unregister_dev(hdev);
4424
4425 if (intf == data->isoc)
4426 usb_driver_release_interface(&btusb_driver, data->intf);
4427 else if (data->isoc)
4428 usb_driver_release_interface(&btusb_driver, data->isoc);
4429
4430#if !CONFIG_BLUEDROID
4431#if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
4432 __hci_dev_put(hdev);
4433#endif
4434#endif
4435
4436 hci_free_dev(hdev);
4437 rtk_free(data);
4438 data = NULL;
4439 set_dlfw_state_value(0);
4440}
4441
4442#ifdef CONFIG_PM
4443static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
4444{
4445 struct btusb_data *data = usb_get_intfdata(intf);
4446 firmware_info *fw_info = data->fw_info;
4447
4448 RTKBT_INFO("%s: event 0x%x, suspend count %d", __func__,
4449 message.event, data->suspend_count);
4450
4451 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
4452 return 0;
4453
4454 if (!test_bit(HCI_RUNNING, &data->hdev->flags))
4455 set_bt_onoff(fw_info, 1);
4456
4457 if (data->suspend_count++)
4458 return 0;
4459
4460 spin_lock_irq(&data->txlock);
4461 if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) {
4462 set_bit(BTUSB_SUSPENDING, &data->flags);
4463 spin_unlock_irq(&data->txlock);
4464 } else {
4465 spin_unlock_irq(&data->txlock);
4466 data->suspend_count--;
4467 RTKBT_ERR("%s: Failed to enter suspend", __func__);
4468 return -EBUSY;
4469 }
4470
4471 cancel_work_sync(&data->work);
4472
4473 btusb_stop_traffic(data);
4474 mdelay(URB_CANCELING_DELAY_MS);
4475 usb_kill_anchored_urbs(&data->tx_anchor);
4476
4477#if SUSPNED_DW_FW
4478 if(fw_info_4_suspend) {
4479 download_suspend_patch(fw_info_4_suspend,1);
4480 }
4481 else
4482 RTKBT_ERR("%s: Failed to download suspend fw", __func__);
4483#endif
4484
4485#if SET_WAKEUP_DEVICE
4486 set_wakeup_device_from_conf(fw_info_4_suspend);
4487#endif
4488
4489 return 0;
4490}
4491
4492static void play_deferred(struct btusb_data *data)
4493{
4494 struct urb *urb;
4495 int err;
4496
4497 while ((urb = usb_get_from_anchor(&data->deferred))) {
4498 usb_anchor_urb(urb, &data->tx_anchor);
4499 err = usb_submit_urb(urb, GFP_ATOMIC);
4500 if (err < 0) {
4501 RTKBT_ERR("%s: Failed to submit urb %p, err %d",
4502 __func__, urb, err);
4503 kfree(urb->setup_packet);
4504 usb_unanchor_urb(urb);
4505 } else {
4506 usb_mark_last_busy(data->udev);
4507 }
4508 usb_free_urb(urb);
4509
4510 data->tx_in_flight++;
4511 }
4512 mdelay(URB_CANCELING_DELAY_MS);
4513 usb_scuttle_anchored_urbs(&data->deferred);
4514}
4515
4516static int btusb_resume(struct usb_interface *intf)
4517{
4518 struct btusb_data *data = usb_get_intfdata(intf);
4519 struct hci_dev *hdev = data->hdev;
4520 firmware_info *fw_info = data->fw_info;
4521 int err = 0;
4522
4523 RTKBT_INFO("%s: Suspend count %d", __func__, data->suspend_count);
4524
4525 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
4526 return 0;
4527
4528 if (--data->suspend_count)
4529 return 0;
4530
4531 /*check_fw_version to check the status of the BT Controller after USB Resume*/
4532 err = check_fw_version(fw_info, true);
4533 if (err !=0)
4534 {
4535 RTKBT_INFO("%s: BT Controller Power OFF And Return hci_hardware_error:%d", __func__, err);
4536 hci_hardware_error();
4537 }
4538
4539
4540 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
4541 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
4542 if (err < 0) {
4543 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
4544 goto failed;
4545 }
4546 }
4547
4548 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
4549 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
4550 if (err < 0) {
4551 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
4552 goto failed;
4553 }
4554
4555 btusb_submit_bulk_urb(hdev, GFP_NOIO);
4556 }
4557
4558 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
4559 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
4560 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
4561 else
4562 btusb_submit_isoc_urb(hdev, GFP_NOIO);
4563 }
4564
4565 spin_lock_irq(&data->txlock);
4566 play_deferred(data);
4567 clear_bit(BTUSB_SUSPENDING, &data->flags);
4568 spin_unlock_irq(&data->txlock);
4569 schedule_work(&data->work);
4570
4571 return 0;
4572
4573failed:
4574 mdelay(URB_CANCELING_DELAY_MS);
4575 usb_scuttle_anchored_urbs(&data->deferred);
4576 spin_lock_irq(&data->txlock);
4577 clear_bit(BTUSB_SUSPENDING, &data->flags);
4578 spin_unlock_irq(&data->txlock);
4579
4580 return err;
4581}
4582#endif
4583
4584static struct usb_driver btusb_driver = {
4585 .name = "rtk_btusb",
4586 .probe = btusb_probe,
4587 .disconnect = btusb_disconnect,
4588#ifdef CONFIG_PM
4589 .suspend = btusb_suspend,
4590 .resume = btusb_resume,
4591#endif
4592#if CONFIG_RESET_RESUME
4593 .reset_resume = btusb_resume,
4594#endif
4595 .id_table = btusb_table,
4596 .supports_autosuspend = 1,
4597#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 7, 1)
4598 .disable_hub_initiated_lpm = 1,
4599#endif
4600};
4601
4602static int __init btusb_init(void)
4603{
4604 int err;
4605
4606 RTKBT_INFO("RTKBT_RELEASE_NAME: %s",RTKBT_RELEASE_NAME);
4607 RTKBT_INFO("Realtek Bluetooth USB driver module init, version %s", VERSION);
4608#if CONFIG_BLUEDROID
4609 err = btchr_init();
4610 if (err < 0) {
4611 /* usb register will go on, even bt char register failed */
4612 RTKBT_ERR("Failed to register usb char device interfaces");
4613 } else
4614 bt_char_dev_registered = true;
4615#endif
4616 err = usb_register(&btusb_driver);
4617 if (err < 0)
4618 RTKBT_ERR("Failed to register RTK bluetooth USB driver");
4619 return err;
4620}
4621
4622static void __exit btusb_exit(void)
4623{
4624 struct hci_dev *hdev;
4625 RTKBT_INFO("Realtek Bluetooth USB driver module exit");
4626#if CONFIG_BLUEDROID
4627 hdev = hci_dev_get(0);
4628 if (bt_char_dev_registered) {
4629 bt_char_dev_registered = false;
4630 while(hdev && atomic_read(&hdev->promisc)) {
4631 RTKBT_ERR("%s: rtkbt driver is being removed, but application is still running!", __func__);
4632 RTKBT_ERR("%s: wait bt application to stop, or the driver can't be removed", __func__);
4633 mdelay(100);
4634 }
4635 btchr_exit();
4636 }
4637#endif
4638 usb_deregister(&btusb_driver);
4639}
4640
4641module_init(btusb_init);
4642module_exit(btusb_exit);
4643
4644
4645module_param(mp_drv_mode, int, 0644);
4646MODULE_PARM_DESC(mp_drv_mode, "0: NORMAL; 1: MP MODE");
4647
4648
4649MODULE_AUTHOR("Realtek Corporation");
4650MODULE_DESCRIPTION("Realtek Bluetooth USB driver version");
4651MODULE_VERSION(VERSION);
4652MODULE_LICENSE("GPL");