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tegrakernel/kernel/nvidia/drivers/bluetooth/realtek/rtk_misc.c

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initial commit tegra kernel 32.6.1
2022-02-16 09:13:02 -06:00
/*
*
* Realtek Bluetooth USB download firmware driver
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/skbuff.h>
#include <linux/usb.h>
#include <linux/dcache.h>
#include <linux/in.h>
#include <net/sock.h>
#include <asm/unaligned.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/skbuff.h>
#include <linux/errno.h>
#include <linux/usb.h>
#include <linux/cdev.h>
#include <linux/device.h>
#include <linux/poll.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 32)
#include <linux/pm_runtime.h>
#endif
#include <linux/firmware.h>
#include <linux/suspend.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/hci.h>
#include "rtk_misc.h"
#ifndef USE_CONTROLLER_BDADDR
#include <linux/file.h>
#include <linux/ctype.h>
#define BDADDR_STRING_LEN 17
#define BDADDR_FILE "/opt/bdaddr"
static bool customer_bdaddr = false;
#endif
struct cfg_list_item {
struct list_head list;
u8 *cfg_data;
u16 offset;
u8 len;
u8 data[0];
};
static struct list_head list_configs;
#define EXTRA_CONFIG_FILE "/opt/rtk_btconfig.txt"
static struct list_head list_extracfgs;
#define CMD_CMP_EVT 0x0e
#define PKT_LEN 300
#define MSG_TO 1000 //us
#define PATCH_SEG_MAX 252
/* #define PATCH_LENGTH_MAX 24576 */ //24*1024
#define PATCH_LENGTH_MAX (40 * 1024)
#define DATA_END 0x80
#define DOWNLOAD_OPCODE 0xfc20
/* This command is used only for TV patch
* if host is going to suspend state, it should send this command to
* Controller. Controller will scan the special advertising packet
* which indicates Controller to wake up host */
#define STARTSCAN_OPCODE 0xfc28
#define TRUE 1
#define FALSE 0
#define CMD_HDR_LEN sizeof(struct hci_command_hdr)
#define EVT_HDR_LEN sizeof(struct hci_event_hdr)
#define CMD_CMP_LEN sizeof(struct hci_ev_cmd_complete)
#define HCI_CMD_READ_BD_ADDR 0x1009
#define HCI_VENDOR_CHANGE_BDRATE 0xfc17
#define HCI_VENDOR_READ_RTK_ROM_VERISION 0xfc6d
#define HCI_VENDOR_READ_LMP_VERISION 0x1001
#define ROM_LMP_NONE 0x0000
#define ROM_LMP_8723a 0x1200
#define ROM_LMP_8723b 0x8723
#define ROM_LMP_8821a 0X8821
#define ROM_LMP_8761a 0X8761
#define ROM_LMP_8822b 0X8822
struct rtk_eversion_evt {
uint8_t status;
uint8_t version;
} __attribute__ ((packed));
struct rtk_epatch_entry {
uint16_t chipID;
uint16_t patch_length;
uint32_t start_offset;
} __attribute__ ((packed));
struct rtk_epatch {
uint8_t signature[8];
uint32_t fw_version;
uint16_t number_of_total_patch;
struct rtk_epatch_entry entry[0];
} __attribute__ ((packed));
struct rtk_extension_entry {
uint8_t opcode;
uint8_t length;
uint8_t *data;
} __attribute__ ((packed));
//signature: Realtech
const uint8_t RTK_EPATCH_SIGNATURE[8] =
{ 0x52, 0x65, 0x61, 0x6C, 0x74, 0x65, 0x63, 0x68 };
//Extension Section IGNATURE:0x77FD0451
const uint8_t Extension_Section_SIGNATURE[4] = { 0x51, 0x04, 0xFD, 0x77 };
uint16_t project_id[] = {
ROM_LMP_8723a,
ROM_LMP_8723b,
ROM_LMP_8821a,
ROM_LMP_8761a,
ROM_LMP_NONE,
ROM_LMP_NONE,
ROM_LMP_NONE,
ROM_LMP_NONE,
ROM_LMP_8822b,
ROM_LMP_8723b, /* RTL8723DU */
ROM_LMP_8821a, /* RTL8821CU */
ROM_LMP_NONE,
ROM_LMP_NONE,
ROM_LMP_8822b, /* RTL8822CU */
ROM_LMP_8761a, /* index 14 for 8761BU */
};
enum rtk_endpoit {
CTRL_EP = 0,
INTR_EP = 1,
BULK_EP = 2,
ISOC_EP = 3
};
/* software id */
#define RTLPREVIOUS 0x00
#define RTL8822BU 0x70
#define RTL8723DU 0x71
#define RTL8821CU 0x72
#define RTL8822CU 0x73
#define RTL8761BU 0x74
typedef struct {
uint16_t prod_id;
uint16_t lmp_sub;
char * mp_patch_name;
char * patch_name;
char * config_name;
/* TODO: Remove the following avariables */
uint8_t *fw_cache1;
int fw_len1;
u8 chip_type;
} patch_info;
typedef struct {
struct list_head list_node;
struct usb_interface *intf;
struct usb_device *udev;
patch_info *patch_entry;
} dev_data;
typedef struct {
dev_data *dev_entry;
int pipe_in, pipe_out;
uint8_t *send_pkt;
uint8_t *rcv_pkt;
struct hci_command_hdr *cmd_hdr;
struct hci_event_hdr *evt_hdr;
struct hci_ev_cmd_complete *cmd_cmp;
uint8_t *req_para, *rsp_para;
uint8_t *fw_data;
int pkt_len, fw_len;
} xchange_data;
typedef struct {
uint8_t index;
uint8_t data[PATCH_SEG_MAX];
} __attribute__ ((packed)) download_cp;
typedef struct {
uint8_t status;
uint8_t index;
} __attribute__ ((packed)) download_rp;
#define RTK_VENDOR_CONFIG_MAGIC 0x8723ab55
struct rtk_bt_vendor_config_entry {
uint16_t offset;
uint8_t entry_len;
uint8_t entry_data[0];
} __attribute__ ((packed));
struct rtk_bt_vendor_config {
uint32_t signature;
uint16_t data_len;
struct rtk_bt_vendor_config_entry entry[0];
} __attribute__ ((packed));
#define BT_CONFIG_HDRLEN sizeof(struct rtk_bt_vendor_config)
static uint8_t gEVersion = 0xFF;
static dev_data *dev_data_find(struct usb_interface *intf);
static patch_info *get_patch_entry(struct usb_device *udev);
static int load_firmware(dev_data * dev_entry, uint8_t ** buff);
static void init_xdata(xchange_data * xdata, dev_data * dev_entry);
static int check_fw_version(xchange_data * xdata);
static int download_data(xchange_data * xdata);
static int send_hci_cmd(xchange_data * xdata);
static int rcv_hci_evt(xchange_data * xdata);
static uint8_t rtk_get_eversion(dev_data * dev_entry);
static patch_info fw_patch_table[] = {
/* { pid, lmp_sub, mp_fw_name, fw_name, config_name, fw_cache, fw_len } */
{0x1724, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* RTL8723A */
{0x8723, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AE */
{0xA723, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AE for LI */
{0x0723, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AE */
{0x3394, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AE for Azurewave */
{0x0724, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AU */
{0x8725, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AU */
{0x872A, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AU */
{0x872B, 0x1200, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0}, /* 8723AU */
{0xb720, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0}, /* RTL8723BU */
{0xb72A, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0}, /* RTL8723BU */
{0xb728, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for LC */
{0xb723, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */
{0xb72B, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */
{0xb001, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for HP */
{0xb002, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */
{0xb003, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */
{0xb004, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */
{0xb005, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE */
{0x3410, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Azurewave */
{0x3416, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Azurewave */
{0x3459, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Azurewave */
{0xE085, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Foxconn */
{0xE08B, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Foxconn */
{0xE09E, 0x8723, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0}, /* RTL8723BE for Foxconn */
{0xA761, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU only */
{0x818B, 0x8761, "mp_rtl8761a_fw", "rtl8761aw_fw", "rtl8761aw_config", NULL, 0}, /* RTL8761AW + 8192EU */
{0x818C, 0x8761, "mp_rtl8761a_fw", "rtl8761aw_fw", "rtl8761aw_config", NULL, 0}, /* RTL8761AW + 8192EU */
{0x8760, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU + 8192EE */
{0xB761, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU + 8192EE */
{0x8761, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU + 8192EE for LI */
{0x8A60, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU + 8812AE */
{0x3527, 0x8761, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0}, /* RTL8761AU + 8814AE */
{0x8821, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */
{0x0821, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */
{0x0823, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AU */
{0x3414, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */
{0x3458, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */
{0x3461, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */
{0x3462, 0x8821, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0}, /* RTL8821AE */
{0xb82c, 0x8822, "mp_rtl8822bu_fw", "rtl8822bu_fw", "rtl8822bu_config", NULL, 0}, /* RTL8822BU */
{0xd723, 0x8723, "mp_rtl8723du_fw", "rtl8723du_fw", "rtl8723du_config", NULL, 0}, /* RTL8723DU */
{0xb820, 0x8821, "mp_rtl8821cu_fw", "rtl8821cu_fw", "rtl8821cu_config", NULL, 0 }, /* RTL8821CU */
{0xc820, 0x8821, "mp_rtl8821cu_fw", "rtl8821cu_fw", "rtl8821cu_config", NULL, 0 }, /* RTL8821CU */
{0xc82c, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CU */
{0xc822, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CE */
{0xb00c, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CE */
{0xc123, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CE */
{0x3549, 0x8822, "mp_rtl8822cu_fw", "rtl8822cu_fw", "rtl8822cu_config", NULL, 0 }, /* RTL8822CE for Azurewave */
{0x8771, 0x8761, "mp_rtl8761bu_fw", "rtl8761bu_fw", "rtl8761bu_config", NULL, 0}, /* RTL8761BU only */
/* NOTE: must append patch entries above the null entry */
{0, 0, NULL, NULL, NULL, NULL, 0}
};
static LIST_HEAD(dev_data_list);
void util_hexdump(const u8 *buf, size_t len)
{
static const char hexdigits[] = "0123456789abcdef";
char str[16 * 3];
size_t i;
if (!buf || !len)
return;
for (i = 0; i < len; i++) {
str[((i % 16) * 3)] = hexdigits[buf[i] >> 4];
str[((i % 16) * 3) + 1] = hexdigits[buf[i] & 0xf];
str[((i % 16) * 3) + 2] = ' ';
if ((i + 1) % 16 == 0) {
str[16 * 3 - 1] = '\0';
RTKBT_DBG("%s", str);
}
}
if (i % 16 > 0) {
str[(i % 16) * 3 - 1] = '\0';
RTKBT_DBG("%s", str);
}
}
#ifdef RTKBT_SWITCH_PATCH
int __rtk_send_hci_cmd(struct usb_device *udev, u8 *buf, u16 size)
{
int result;
unsigned int pipe = usb_sndctrlpipe(udev, 0);
result = usb_control_msg(udev, pipe, 0, USB_TYPE_CLASS, 0, 0,
buf, size, 1000); /* 1000 msecs */
if (result < 0)
RTKBT_ERR("%s: Couldn't send hci cmd, err %d",
__func__, result);
return result;
}
int __rtk_recv_hci_evt(struct usb_device *udev, u8 *buf, u8 len, u16 opcode)
{
int recv_length = 0;
int result = 0;
int i;
unsigned int pipe = usb_rcvintpipe(udev, 1);
struct hci_event_hdr *hdr;
struct hci_ev_cmd_complete *cmd_cmpl;
if (len < sizeof(*hdr) + sizeof(*cmd_cmpl)) {
RTKBT_ERR("%s: Invalid buf length %u", __func__, len);
return -1;
}
while (1) {
for (i = 0; i < 5; i++) {
result = usb_interrupt_msg(udev, pipe,
(void *)buf, PKT_LEN,
&recv_length, MSG_TO);
if (result >= 0)
break;
}
if (result < 0) {
RTKBT_ERR("%s; Couldn't receive HCI event, err %d",
__func__, result);
return result;
}
/* Ignore the event which is not command complete event */
if (recv_length < sizeof(*hdr) + sizeof(*cmd_cmpl))
continue;
hdr = (struct hci_event_hdr *)buf;
cmd_cmpl = (struct hci_ev_cmd_complete *)(buf + sizeof(*hdr));
if (hdr->evt == 0x0e) {
if (opcode == cmd_cmpl->opcode)
return recv_length;
}
}
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)
static inline struct inode *file_inode(const struct file *f)
{
return f->f_path.dentry->d_inode;
}
#endif
static int config_lists_init(void)
{
INIT_LIST_HEAD(&list_configs);
INIT_LIST_HEAD(&list_extracfgs);
return 0;
}
static void config_lists_free(void)
{
struct list_head *iter;
struct list_head *tmp;
struct list_head *head;
struct cfg_list_item *n;
if (!list_empty(&list_extracfgs))
list_splice_tail(&list_extracfgs, &list_configs);
head = &list_configs;
list_for_each_safe(iter, tmp, head) {
n = list_entry(iter, struct cfg_list_item, list);
if (n) {
list_del(&n->list);
kfree(n);
}
}
INIT_LIST_HEAD(&list_configs);
INIT_LIST_HEAD(&list_extracfgs);
}
static void line_process(char *buf, int len)
{
char *argv[32];
int argc = 0;
unsigned long offset;
u8 l;
u8 i = 0;
char *ptr = buf;
char *head = buf;
struct cfg_list_item *item;
while ((ptr = strsep(&head, ", \t")) != NULL) {
if (!ptr[0])
continue;
argv[argc++] = ptr;
if (argc >= 32) {
RTKBT_WARN("%s: Config item is too long", __func__);
break;
}
}
if (argc < 4) {
RTKBT_WARN("%s: Invalid Config item, ignore", __func__);
return;
}
offset = simple_strtoul(argv[0], NULL, 16);
offset = offset | (simple_strtoul(argv[1], NULL, 16) << 8);
RTKBT_INFO("extra config offset %04lx", offset);
l = (u8)simple_strtoul(argv[2], NULL, 16);
if (l != (u8)(argc - 3)) {
RTKBT_ERR("invalid len %u", l);
return;
}
item = kzalloc(sizeof(*item) + l, GFP_KERNEL);
if (!item) {
RTKBT_WARN("%s: Cannot alloc mem for item, %04lx, %u", __func__,
offset, l);
return;
}
item->cfg_data = item->data;
item->offset = (u16)offset;
item->len = l;
for (i = 0; i < l; i++)
item->data[i] = (u8)simple_strtoul(argv[3 + i], NULL, 16);
list_add_tail(&item->list, &list_extracfgs);
}
static void config_process(u8 *buff, int len)
{
char *head = (void *)buff;
char *ptr = (void *)buff;
while ((ptr = strsep(&head, "\n\r")) != NULL) {
if (!ptr[0])
continue;
line_process(ptr, strlen(ptr) + 1);
}
}
static void config_file_proc(const char *path)
{
int size;
int rc;
struct file *file;
u8 tbuf[256];
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
loff_t pos = 0;
#endif
file = filp_open(path, O_RDONLY, 0);
if (IS_ERR(file))
return;
if (!S_ISREG(file_inode(file)->i_mode))
return;
size = i_size_read(file_inode(file));
if (size <= 0)
return;
memset(tbuf, 0, sizeof(tbuf));
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
rc = kernel_read(file, tbuf, size, &pos);
#else
rc = kernel_read(file, 0, tbuf, size);
#endif
fput(file);
if (rc != size) {
if (rc >= 0)
rc = -EIO;
return;
}
tbuf[rc++] = '\n';
tbuf[rc++] = '\0';
config_process(tbuf, rc);
}
int patch_add(struct usb_interface *intf)
{
dev_data *dev_entry;
struct usb_device *udev;
RTKBT_DBG("patch_add");
dev_entry = dev_data_find(intf);
if (NULL != dev_entry) {
return -1;
}
udev = interface_to_usbdev(intf);
#if BTUSB_RPM
RTKBT_DBG("auto suspend is enabled");
usb_enable_autosuspend(udev);
pm_runtime_set_autosuspend_delay(&(udev->dev), 2000);
#else
RTKBT_DBG("auto suspend is disabled");
usb_disable_autosuspend(udev);
#endif
dev_entry = kzalloc(sizeof(dev_data), GFP_KERNEL);
dev_entry->intf = intf;
dev_entry->udev = udev;
dev_entry->patch_entry = get_patch_entry(udev);
if (NULL == dev_entry->patch_entry) {
kfree(dev_entry);
return -1;
}
list_add(&dev_entry->list_node, &dev_data_list);
/* Should reset the gEVersion to 0xff, otherwise the stored gEVersion
* would cause rtk_get_eversion() returning previous gEVersion if
* change to different ECO chip.
* This would cause downloading wrong patch, and the controller can't
* work. */
RTKBT_DBG("%s: Reset gEVersion to 0xff", __func__);
gEVersion = 0xff;
return 0;
}
void patch_remove(struct usb_interface *intf)
{
dev_data *dev_entry;
struct usb_device *udev;
udev = interface_to_usbdev(intf);
#if BTUSB_RPM
usb_disable_autosuspend(udev);
#endif
dev_entry = dev_data_find(intf);
if (NULL == dev_entry) {
return;
}
RTKBT_DBG("patch_remove");
list_del(&dev_entry->list_node);
kfree(dev_entry);
}
static int send_reset_command(xchange_data *xdata)
{
int ret_val;
RTKBT_DBG("HCI reset.");
xdata->cmd_hdr->opcode = cpu_to_le16(HCI_OP_RESET);
xdata->cmd_hdr->plen = 0;
xdata->pkt_len = CMD_HDR_LEN;
ret_val = send_hci_cmd(xdata);
if (ret_val < 0) {
RTKBT_ERR("failed to send hci cmd.");
return ret_val;
}
ret_val = rcv_hci_evt(xdata);
if (ret_val < 0) {
RTKBT_ERR("failed to recv hci event.");
return ret_val;
}
return 0;
}
int download_patch(struct usb_interface *intf)
{
dev_data *dev_entry;
xchange_data *xdata = NULL;
uint8_t *fw_buf;
int ret_val;
RTKBT_DBG("download_patch start");
dev_entry = dev_data_find(intf);
if (NULL == dev_entry) {
ret_val = -1;
RTKBT_ERR("NULL == dev_entry");
goto patch_end;
}
xdata = kzalloc(sizeof(xchange_data), GFP_KERNEL);
if (NULL == xdata) {
ret_val = -1;
RTKBT_DBG("NULL == xdata");
goto patch_end;
}
init_xdata(xdata, dev_entry);
ret_val = check_fw_version(xdata);
if (ret_val < 0) {
RTKBT_ERR("Failed to get Local Version Information");
goto patch_end;
} else if (ret_val > 0) {
RTKBT_DBG("Firmware already exists");
/* Patch alread exists, just return */
if (gEVersion == 0xff) {
RTKBT_DBG("global_version is not set, get it!");
gEVersion = rtk_get_eversion(dev_entry);
}
goto patch_end;
}
xdata->fw_len = load_firmware(dev_entry, &xdata->fw_data);
if (xdata->fw_len <= 0) {
RTKBT_ERR("load firmware failed!");
ret_val = -1;
goto patch_end;
}
fw_buf = xdata->fw_data;
if (xdata->fw_len > PATCH_LENGTH_MAX) {
RTKBT_ERR("FW/CONFIG total length larger than allowed!");
ret_val = -1;
goto patch_fail;
}
ret_val = download_data(xdata);
if (ret_val < 0) {
RTKBT_ERR("download_data failed, err %d", ret_val);
goto patch_fail;
}
ret_val = check_fw_version(xdata);
if (ret_val <= 0) {
RTKBT_ERR("%s: Read Local Version Info failure after download",
__func__);
ret_val = -1;
goto patch_fail;
}
ret_val = 0;
patch_fail:
kfree(fw_buf);
patch_end:
if (xdata != NULL) {
if (xdata->send_pkt)
kfree(xdata->send_pkt);
if (xdata->rcv_pkt)
kfree(xdata->rcv_pkt);
kfree(xdata);
}
RTKBT_DBG("Rtk patch end %d", ret_val);
return ret_val;
}
#ifdef RTKBT_SWITCH_PATCH
/* @return:
* -1: error
* 0: download patch successfully
* >0: patch already exists */
int download_lps_patch(struct usb_interface *intf)
{
dev_data *dev_entry;
xchange_data *xdata = NULL;
uint8_t *fw_buf;
int result;
char name1[64];
char *origin_name1;
char name2[64];
char *origin_name2;
RTKBT_DBG("Download LPS Patch start");
dev_entry = dev_data_find(intf);
if (!dev_entry) {
RTKBT_ERR("No Patch found");
return -1;
}
xdata = kzalloc(sizeof(xchange_data), GFP_KERNEL);
if (!xdata) {
RTKBT_ERR("Couldn't alloc xdata");
return -1;
}
init_xdata(xdata, dev_entry);
result = check_fw_version(xdata);
if (result < 0) {
RTKBT_ERR("Failed to get Local Version Information");
goto patch_end;
} else if (result > 0) {
RTKBT_DBG("Firmware already exists");
/* Patch alread exists, just return */
if (gEVersion == 0xff) {
RTKBT_DBG("global_version is not set, get it!");
gEVersion = rtk_get_eversion(dev_entry);
}
goto patch_end;
}
origin_name1 = dev_entry->patch_entry->patch_name;
origin_name2 = dev_entry->patch_entry->config_name;
snprintf(name1, sizeof(name1), "lps_%s", origin_name1);
snprintf(name2, sizeof(name2), "lps_%s", origin_name2);
dev_entry->patch_entry->patch_name = name1;
dev_entry->patch_entry->config_name = name2;
RTKBT_INFO("Loading %s and %s", name1, name2);
xdata->fw_len = load_firmware(dev_entry, &xdata->fw_data);
dev_entry->patch_entry->patch_name = origin_name1;
dev_entry->patch_entry->config_name = origin_name2;
if (xdata->fw_len <= 0) {
result = -1;
RTKBT_ERR("load firmware failed!");
goto patch_end;
}
fw_buf = xdata->fw_data;
if (xdata->fw_len > PATCH_LENGTH_MAX) {
result = -1;
RTKBT_ERR("FW/CONFIG total length larger than allowed!");
goto patch_fail;
}
result = download_data(xdata);
if (result < 0) {
RTKBT_ERR("download_data failed, err %d", result);
goto patch_fail;
}
result = check_fw_version(xdata);
if (result <= 0) {
RTKBT_ERR("%s: Read Local Version Info failure after download",
__func__);
result = -1;
goto patch_fail;
}
result = 0;
patch_fail:
kfree(fw_buf);
patch_end:
if (xdata->send_pkt)
kfree(xdata->send_pkt);
if (xdata->rcv_pkt)
kfree(xdata->rcv_pkt);
kfree(xdata);
RTKBT_DBG("Download LPS Patch end %d", result);
return result;
}
#endif
int set_scan(struct usb_interface *intf)
{
dev_data *dev_entry;
xchange_data *xdata = NULL;
int result;
RTKBT_DBG("%s", __func__);
dev_entry = dev_data_find(intf);
if (!dev_entry)
return -1;
xdata = kzalloc(sizeof(xchange_data), GFP_KERNEL);
if (!xdata) {
RTKBT_ERR("Could not alloc xdata");
return -1;
}
init_xdata(xdata, dev_entry);
xdata->cmd_hdr->opcode = cpu_to_le16(STARTSCAN_OPCODE);
xdata->cmd_hdr->plen = 1;
xdata->pkt_len = CMD_HDR_LEN + 1;
xdata->send_pkt[CMD_HDR_LEN] = 1;
result = send_hci_cmd(xdata);
if (result < 0)
goto end;
result = rcv_hci_evt(xdata);
end:
if (xdata) {
if (xdata->send_pkt)
kfree(xdata->send_pkt);
if (xdata->rcv_pkt)
kfree(xdata->rcv_pkt);
kfree(xdata);
}
RTKBT_DBG("%s done", __func__);
return result;
}
dev_data *dev_data_find(struct usb_interface * intf)
{
dev_data *dev_entry;
list_for_each_entry(dev_entry, &dev_data_list, list_node) {
if (dev_entry->intf == intf) {
patch_info *patch = dev_entry->patch_entry;
if (!patch)
return NULL;
switch (patch->prod_id){
case 0xb82c:
patch->chip_type = RTL8822BU;
break;
case 0xd723:
patch->chip_type = RTL8723DU;
break;
case 0xb820:
case 0xc820:
patch->chip_type = RTL8821CU;
break;
case 0xc82c:
case 0xc822:
case 0xb00c:
case 0xc123:
case 0x3549:
patch->chip_type = RTL8822CU;
break;
case 0x8771:
patch->chip_type = RTL8761BU;
break;
default:
patch->chip_type = RTLPREVIOUS;
break;
}
RTKBT_INFO("chip type value: 0x%02x", patch->chip_type);
return dev_entry;
}
}
return NULL;
}
patch_info *get_patch_entry(struct usb_device * udev)
{
patch_info *patch_entry;
uint16_t pid;
patch_entry = fw_patch_table;
pid = le16_to_cpu(udev->descriptor.idProduct);
RTKBT_DBG("pid = 0x%x", pid);
while (pid != patch_entry->prod_id) {
if (0 == patch_entry->prod_id) {
RTKBT_DBG
("get_patch_entry =NULL, can not find device pid in patch_table");
return NULL; //break;
}
patch_entry++;
}
return patch_entry;
}
static int valid_mac(u8 chip_type, u16 offset)
{
int result = 0;
switch (chip_type) {
case RTL8822BU:
case RTL8723DU:
case RTL8821CU:
if (offset == 0x0044)
return 1;
break;
case RTL8822CU:
case RTL8761BU:
if (offset == 0x0030)
return 1;
break;
case RTLPREVIOUS:
if (offset == 0x003c)
return 1;
break;
}
return result;
}
static void fill_mac_offset(u8 chip_type, u8 b[2])
{
switch (chip_type) {
case RTL8822BU:
case RTL8723DU:
case RTL8821CU:
b[0] = 0x44;
b[1] = 0x00;
break;
case RTL8822CU:
case RTL8761BU:
b[0] = 0x30;
b[1] = 0x00;
break;
case RTLPREVIOUS:
b[0] = 0x3c;
b[1] = 0x00;
break;
}
}
static void merge_configs(uint8_t *cfg_buf, u16 *plen, int max)
{
struct list_head *iter, *tmp;
struct cfg_list_item *item;
u8 *buf;
u16 tmp_len;
list_for_each_safe(iter, tmp, &list_extracfgs) {
struct list_head *iter2, *tmp2;
item = list_entry(iter, struct cfg_list_item, list);
list_for_each_safe(iter2, tmp2, &list_configs) {
struct cfg_list_item *n;
n = list_entry(iter2, struct cfg_list_item, list);
if (item->offset == n->offset) {
if (item->len == n->len) {
RTKBT_INFO("Update cfg: %04x, %u",
n->offset, n->len);
memcpy(n->data, item->data, n->len);
if (n->cfg_data)
memcpy(n->cfg_data, item->data,
n->len);
list_del(&item->list);
kfree(item);
break;
}
RTKBT_WARN("item mismatch %04x %u %u",
item->offset, item->len, n->len);
list_del(&item->list);
kfree(item);
}
}
}
buf = cfg_buf + *plen;
list_for_each_safe(iter, tmp, &list_extracfgs) {
item = list_entry(iter, struct cfg_list_item, list);
if (item->len + 3 + *plen > max) {
RTKBT_WARN("%s: length %u exceeds %d", __func__,
item->len + 3 + *plen, max);
goto done;
}
buf[0] = item->offset & 0xff;
buf[1] = (item->offset >> 8) & 0xff;
buf[2] = item->len;
memcpy(buf + 3, item->data, item->len);
buf += (3 + item->len);
*plen += (3 + item->len);
list_del(&item->list);
kfree(item);
}
done:
tmp_len = *plen - 6;
cfg_buf[4] = (tmp_len & 0xff);
cfg_buf[5] = ((tmp_len >> 8) & 0xff);
}
int rtk_parse_config_file(patch_info *pent, int max, u8 *config_buf,
int filelen, char bt_addr[6])
{
struct rtk_bt_vendor_config *config = (void *)config_buf;
u16 config_len = 0, temp = 0;
struct rtk_bt_vendor_config_entry *entry = NULL;
u32 i = 0;
char str[18];
#ifndef USE_CONTROLLER_BDADDR
int j = 0;
#endif
struct cfg_list_item *item;
u32 addr_found = 0;
if (!config)
return 0;
config_len = le16_to_cpu(config->data_len);
entry = config->entry;
if (le32_to_cpu(config->signature) != RTK_VENDOR_CONFIG_MAGIC) {
RTKBT_ERR("sig magic num %08x, not rtk vendor magic %08x",
config->signature, RTK_VENDOR_CONFIG_MAGIC);
return 0;
}
if (config_len != filelen - BT_CONFIG_HDRLEN) {
RTKBT_ERR("config length %u is not right %u", config_len,
(u16)(filelen - BT_CONFIG_HDRLEN));
return 0;
}
for (i = 0; i < config_len;) {
RTKBT_DBG("config offset %04x,length %02x", entry->offset,
entry->entry_len);
switch (le16_to_cpu(entry->offset)) {
case 0x003c:
case 0x0044:
case 0x0030:
#ifndef USE_CONTROLLER_BDADDR
if (!customer_bdaddr)
break;
if (!valid_mac(pent->chip_type, le16_to_cpu(entry->offset)))
break;
for (j = 0; j < entry->entry_len && j < 6; j++)
entry->entry_data[j] = bt_addr[j];
#endif
addr_found = 1;
snprintf(str, sizeof(str),
"%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X",
entry->entry_data[5],
entry->entry_data[4],
entry->entry_data[3],
entry->entry_data[2],
entry->entry_data[1],
entry->entry_data[0]);
RTKBT_DBG("bdaddr sec found, set bdaddr %s", str);
break;
default:
break;
}
/* Add config item to list */
item = kzalloc(sizeof(*item) + entry->entry_len, GFP_KERNEL);
if (item) {
item->cfg_data = entry->entry_data;
item->offset = le16_to_cpu(entry->offset);
item->len = entry->entry_len;
memcpy(item->data, entry->entry_data, item->len);
list_add_tail(&item->list, &list_configs);
} else {
RTKBT_ERR("Cannot alloc mem for entry %04x, %u",
entry->offset, entry->entry_len);
}
temp = entry->entry_len +
sizeof(struct rtk_bt_vendor_config_entry);
i += temp;
entry =
(struct rtk_bt_vendor_config_entry *)((uint8_t *) entry +
temp);
}
#ifndef USE_CONTROLLER_BDADDR
if (!addr_found && customer_bdaddr) {
u8 *b;
u16 ofs;
if (config_len + BT_CONFIG_HDRLEN + 9 > max) {
RTKBT_ERR("%s: length exceeds", __func__);
}
b = config_buf + config_len + BT_CONFIG_HDRLEN;
fill_mac_offset(pent->chip_type, b);
ofs = (((u16)b[1] << 8) | b[0]);
RTKBT_INFO("add bdaddr sec, offset %02x%02x", b[1], b[0]);
b[2] = 6;
for (j = 0; j < 6; j++)
b[3 + j] = bt_addr[j];
config_len += 9;
config_buf[4] = config_len & 0xff;
config_buf[5] = (config_len >> 8) & 0xff;
/* Add address item to list */
item = kzalloc(sizeof(*item) + 6, GFP_KERNEL);
if (item) {
item->cfg_data = b + 3;
item->offset = ofs;
item->len = b[2];
memcpy(item->data, b + 3, 6);
list_add_tail(&item->list, &list_configs);
} else {
RTKBT_ERR("Cannot alloc mem for entry %04x, %u",
entry->offset, entry->entry_len);
}
}
#endif
temp = config_len + BT_CONFIG_HDRLEN;
merge_configs(config_buf, &temp, max);
return temp;;
}
uint8_t rtk_get_fw_project_id(uint8_t * p_buf)
{
uint8_t opcode;
uint8_t len;
uint8_t data = 0;
do {
opcode = *p_buf;
len = *(p_buf - 1);
if (opcode == 0x00) {
if (len == 1) {
data = *(p_buf - 2);
RTKBT_DBG
("rtk_get_fw_project_id: opcode %d, len %d, data %d",
opcode, len, data);
break;
} else {
RTKBT_ERR
("rtk_get_fw_project_id: invalid len %d",
len);
}
}
p_buf -= len + 2;
} while (*p_buf != 0xFF);
return data;
}
static void rtk_get_patch_entry(uint8_t * epatch_buf,
struct rtk_epatch_entry *entry)
{
uint32_t svn_ver;
uint32_t coex_ver;
uint32_t tmp;
uint16_t i;
struct rtk_epatch *epatch_info = (struct rtk_epatch *)epatch_buf;
epatch_info->number_of_total_patch =
le16_to_cpu(epatch_info->number_of_total_patch);
RTKBT_DBG("fw_version = 0x%x", le32_to_cpu(epatch_info->fw_version));
RTKBT_DBG("number_of_total_patch = %d",
epatch_info->number_of_total_patch);
/* get right epatch entry */
for (i = 0; i < epatch_info->number_of_total_patch; i++) {
if (get_unaligned_le16(epatch_buf + 14 + 2 * i) ==
gEVersion + 1) {
entry->chipID = gEVersion + 1;
entry->patch_length = get_unaligned_le16(epatch_buf +
14 +
2 * epatch_info->number_of_total_patch +
2 * i);
entry->start_offset = get_unaligned_le32(epatch_buf +
14 +
4 * epatch_info-> number_of_total_patch +
4 * i);
break;
}
}
if (i >= epatch_info->number_of_total_patch) {
entry->patch_length = 0;
entry->start_offset = 0;
RTKBT_ERR("No corresponding patch found\n");
return;
}
svn_ver = get_unaligned_le32(epatch_buf +
entry->start_offset +
entry->patch_length - 8);
coex_ver = get_unaligned_le32(epatch_buf +
entry->start_offset +
entry->patch_length - 12);
RTKBT_DBG("chipID %d", entry->chipID);
RTKBT_DBG("patch_length 0x%04x", entry->patch_length);
RTKBT_DBG("start_offset 0x%08x", entry->start_offset);
RTKBT_DBG("Svn version: %8d", svn_ver);
tmp = ((coex_ver >> 16) & 0x7ff) + (coex_ver >> 27) * 10000;
RTKBT_DBG("Coexistence: BTCOEX_20%06d-%04x",
tmp, (coex_ver & 0xffff));
}
#ifndef USE_CONTROLLER_BDADDR
int bachk(const char *str)
{
if (!str)
return -1;
if (strlen(str) != 17)
return -1;
while (*str) {
if (!isxdigit(*str++))
return -1;
if (!isxdigit(*str++))
return -1;
if (*str == 0)
break;
if (*str++ != ':')
return -1;
}
return 0;
}
static int request_bdaddr(u8 *buf)
{
int size;
int rc;
struct file *file;
u8 tbuf[BDADDR_STRING_LEN + 1];
char *str;
int i;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
loff_t pos = 0;
#endif
if (!buf)
return -EINVAL;
file = filp_open(BDADDR_FILE, O_RDONLY, 0);
if (IS_ERR(file))
return -ENOENT;
if (!S_ISREG(file_inode(file)->i_mode))
return -EINVAL;
size = i_size_read(file_inode(file));
if (size <= 0)
return -EINVAL;
if (size > BDADDR_STRING_LEN)
size = BDADDR_STRING_LEN;
memset(tbuf, 0, sizeof(tbuf));
RTKBT_INFO("size = %d", size);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
rc = kernel_read(file, tbuf, size, &pos);
#else
rc = kernel_read(file, 0, tbuf, size);
#endif
fput(file);
if (rc != size) {
if (rc >= 0)
rc = -EIO;
goto fail;
}
if (bachk(tbuf) < 0) {
rc = -EINVAL;
goto fail;
}
str = tbuf;
for (i = 5; i >= 0; i--) {
buf[i] = simple_strtol(str, NULL, 16);
str += 3;
}
return size;
fail:
return rc;
}
#endif
static int load_config(dev_data *dev_entry, u8 **buf, int *length)
{
patch_info *patch_entry;
const char *config_name;
const struct firmware *fw;
struct usb_device *udev;
int result;
u8 *tbuf;
int len;
u8 tmp_buf[32];
int file_sz;
config_lists_init();
patch_entry = dev_entry->patch_entry;
config_name = patch_entry->config_name;
udev = dev_entry->udev;
RTKBT_INFO("config filename %s", config_name);
result = request_firmware(&fw, config_name, &udev->dev);
if (result < 0)
return 0;
file_sz = fw->size;
len = fw->size;
#ifndef USE_CONTROLLER_BDADDR
len += 9;
#endif
config_file_proc(EXTRA_CONFIG_FILE);
if (!list_empty(&list_extracfgs)) {
struct cfg_list_item *item;
struct list_head *tmp, *iter;
list_for_each_safe(iter, tmp, &list_extracfgs) {
item = list_entry(iter, struct cfg_list_item, list);
len += (item->len + 3);
}
}
tbuf = kzalloc(len, GFP_KERNEL);
if (!tbuf)
goto err1;
memcpy(tbuf, fw->data, fw->size);
#ifndef USE_CONTROLLER_BDADDR
memset(tmp_buf, 0, sizeof(tmp_buf));
result = request_bdaddr(tmp_buf);
if (result < 0) {
if (result == -ENOENT)
RTKBT_WARN("no bdaddr file %s", BDADDR_FILE);
else
RTKBT_WARN("invalid customer bdaddr %d", result);
}
customer_bdaddr = (result < 0) ? false : true;
#endif
len = rtk_parse_config_file(patch_entry, len, tbuf, file_sz, tmp_buf);
config_lists_free();
*buf = tbuf;
*length = len;
util_hexdump(*buf, *length);
release_firmware(fw);
RTKBT_INFO("Config file length %d, new length %d", file_sz, len);
return 0;
err1:
config_lists_free();
release_firmware(fw);
return -1;
}
int load_firmware(dev_data * dev_entry, uint8_t ** buff)
{
const struct firmware *fw;
struct usb_device *udev;
patch_info *patch_entry;
char *fw_name;
int fw_len = 0, ret_val = 0, config_len = 0, buf_len = -1;
uint8_t *buf = *buff, *config_file_buf = NULL, *epatch_buf = NULL;
uint8_t proj_id = 0;
uint8_t need_download_fw = 1;
uint16_t lmp_version;
struct rtk_epatch_entry current_entry = { 0 };
RTKBT_DBG("load_firmware start");
udev = dev_entry->udev;
patch_entry = dev_entry->patch_entry;
lmp_version = patch_entry->lmp_sub;
RTKBT_DBG("lmp_version = 0x%04x", lmp_version);
load_config(dev_entry, &config_file_buf, &config_len);
fw_name = patch_entry->patch_name;
RTKBT_ERR("fw name is %s", fw_name);
ret_val = request_firmware(&fw, fw_name, &udev->dev);
if (ret_val < 0) {
fw_len = 0;
kfree(config_file_buf);
config_file_buf = NULL;
goto fw_fail;
}
epatch_buf = kzalloc(fw->size, GFP_KERNEL);
if (NULL == epatch_buf)
goto alloc_fail;
memcpy(epatch_buf, fw->data, fw->size);
buf_len = fw->size + config_len;
if (lmp_version == ROM_LMP_8723a) {
RTKBT_DBG("This is 8723a, use old patch style!");
if (memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8) == 0) {
RTKBT_ERR("8723a Check signature error!");
need_download_fw = 0;
} else {
if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
RTKBT_ERR("Can't alloc memory for fw&config");
buf_len = -1;
} else {
RTKBT_DBG("8723a, fw copy direct");
memcpy(buf, epatch_buf, fw->size);
if (config_len) {
memcpy(&buf[buf_len - config_len],
config_file_buf, config_len);
}
}
}
} else {
RTKBT_ERR("This is not 8723a, use new patch style!");
/* Get version from ROM */
gEVersion = rtk_get_eversion(dev_entry);
RTKBT_DBG("%s: New gEVersion %d", __func__, gEVersion);
if (gEVersion == 0xFE) {
RTKBT_ERR("%s: Read ROM version failure", __func__);
need_download_fw = 0;
fw_len = 0;
goto alloc_fail;
}
/* check Signature and Extension Section Field */
if ((memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8) != 0) ||
memcmp(epatch_buf + buf_len - config_len - 4,
Extension_Section_SIGNATURE, 4) != 0) {
RTKBT_ERR("Check SIGNATURE error! do not download fw");
need_download_fw = 0;
} else {
proj_id =
rtk_get_fw_project_id(epatch_buf + buf_len -
config_len - 5);
if (lmp_version != project_id[proj_id]) {
RTKBT_ERR
("lmp_version is %x, project_id is %x, does not match!!!",
lmp_version, project_id[proj_id]);
need_download_fw = 0;
} else {
RTKBT_DBG
("lmp_version is %x, project_id is %x, match!",
lmp_version, project_id[proj_id]);
rtk_get_patch_entry(epatch_buf, &current_entry);
if (current_entry.patch_length == 0)
goto fw_fail;
buf_len =
current_entry.patch_length + config_len;
RTKBT_DBG("buf_len = 0x%x", buf_len);
if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
RTKBT_ERR
("Can't alloc memory for multi fw&config");
buf_len = -1;
} else {
memcpy(buf,
epatch_buf +
current_entry.start_offset,
current_entry.patch_length);
memcpy(buf + current_entry.patch_length - 4, epatch_buf + 8, 4); /*fw version */
if (config_len) {
memcpy(&buf
[buf_len - config_len],
config_file_buf,
config_len);
}
}
}
}
}
RTKBT_DBG("fw:%s exists, config file:%s exists",
(buf_len > 0) ? "" : "not", (config_len > 0) ? "" : "not");
if (buf && (buf_len > 0) && (need_download_fw)) {
fw_len = buf_len;
*buff = buf;
}
RTKBT_DBG("load_firmware done");
alloc_fail:
release_firmware(fw);
if (epatch_buf)
kfree(epatch_buf);
if (config_file_buf)
kfree(config_file_buf);
fw_fail:
return fw_len;
}
void init_xdata(xchange_data * xdata, dev_data * dev_entry)
{
memset(xdata, 0, sizeof(xchange_data));
xdata->dev_entry = dev_entry;
xdata->pipe_in = usb_rcvintpipe(dev_entry->udev, INTR_EP);
xdata->pipe_out = usb_sndctrlpipe(dev_entry->udev, CTRL_EP);
xdata->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
xdata->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
xdata->cmd_hdr = (struct hci_command_hdr *)(xdata->send_pkt);
xdata->evt_hdr = (struct hci_event_hdr *)(xdata->rcv_pkt);
xdata->cmd_cmp =
(struct hci_ev_cmd_complete *)(xdata->rcv_pkt + EVT_HDR_LEN);
xdata->req_para = xdata->send_pkt + CMD_HDR_LEN;
xdata->rsp_para = xdata->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN;
}
int check_fw_version(xchange_data * xdata)
{
struct hci_rp_read_local_version *read_ver_rsp;
patch_info *patch_entry;
int ret_val;
int retry = 0;
/* Ensure that the first cmd is hci reset after system suspend
* or system reboot */
send_reset_command(xdata);
get_ver:
xdata->cmd_hdr->opcode = cpu_to_le16(HCI_OP_READ_LOCAL_VERSION);
xdata->cmd_hdr->plen = 0;
xdata->pkt_len = CMD_HDR_LEN;
ret_val = send_hci_cmd(xdata);
if (ret_val < 0) {
RTKBT_ERR("%s: Failed to send HCI command.", __func__);
goto version_end;
}
ret_val = rcv_hci_evt(xdata);
if (ret_val < 0) {
RTKBT_ERR("%s: Failed to receive HCI event.", __func__);
goto version_end;
}
patch_entry = xdata->dev_entry->patch_entry;
read_ver_rsp = (struct hci_rp_read_local_version *)(xdata->rsp_para);
read_ver_rsp->lmp_subver = le16_to_cpu(read_ver_rsp->lmp_subver);
read_ver_rsp->hci_rev = le16_to_cpu(read_ver_rsp->hci_rev);
read_ver_rsp->manufacturer = le16_to_cpu(read_ver_rsp->manufacturer);
RTKBT_DBG("read_ver_rsp->lmp_subver = 0x%x", read_ver_rsp->lmp_subver);
RTKBT_DBG("read_ver_rsp->hci_rev = 0x%x", read_ver_rsp->hci_rev);
RTKBT_DBG("patch_entry->lmp_sub = 0x%x", patch_entry->lmp_sub);
if (patch_entry->lmp_sub != read_ver_rsp->lmp_subver) {
return 1;
}
ret_val = 0;
version_end:
if (ret_val) {
send_reset_command(xdata);
retry++;
if (retry < 2)
goto get_ver;
}
return ret_val;
}
uint8_t rtk_get_eversion(dev_data * dev_entry)
{
struct rtk_eversion_evt *eversion;
patch_info *patch_entry;
int ret_val = 0;
xchange_data *xdata = NULL;
RTKBT_DBG("%s: gEVersion %d", __func__, gEVersion);
if (gEVersion != 0xFF && gEVersion != 0xFE) {
RTKBT_DBG("gEVersion != 0xFF, return it directly!");
return gEVersion;
}
xdata = kzalloc(sizeof(xchange_data), GFP_KERNEL);
if (NULL == xdata) {
ret_val = 0xFE;
RTKBT_DBG("NULL == xdata");
return ret_val;
}
init_xdata(xdata, dev_entry);
xdata->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_READ_RTK_ROM_VERISION);
xdata->cmd_hdr->plen = 0;
xdata->pkt_len = CMD_HDR_LEN;
ret_val = send_hci_cmd(xdata);
if (ret_val < 0) {
RTKBT_ERR("Failed to send read RTK rom version cmd.");
ret_val = 0xFE;
goto version_end;
}
ret_val = rcv_hci_evt(xdata);
if (ret_val < 0) {
RTKBT_ERR("Failed to receive HCI event for rom version.");
ret_val = 0xFE;
goto version_end;
}
patch_entry = xdata->dev_entry->patch_entry;
eversion = (struct rtk_eversion_evt *)(xdata->rsp_para);
RTKBT_DBG("eversion->status = 0x%x, eversion->version = 0x%x",
eversion->status, eversion->version);
if (eversion->status) {
ret_val = 0;
//global_eversion = 0;
} else {
ret_val = eversion->version;
//global_eversion = eversion->version;
}
version_end:
if (xdata != NULL) {
if (xdata->send_pkt)
kfree(xdata->send_pkt);
if (xdata->rcv_pkt)
kfree(xdata->rcv_pkt);
kfree(xdata);
}
return ret_val;
}
int download_data(xchange_data * xdata)
{
download_cp *cmd_para;
download_rp *evt_para;
uint8_t *pcur;
int pkt_len, frag_num, frag_len;
int i, ret_val;
int j;
RTKBT_DBG("download_data start");
cmd_para = (download_cp *) xdata->req_para;
evt_para = (download_rp *) xdata->rsp_para;
pcur = xdata->fw_data;
pkt_len = CMD_HDR_LEN + sizeof(download_cp);
frag_num = xdata->fw_len / PATCH_SEG_MAX + 1;
frag_len = PATCH_SEG_MAX;
for (i = 0; i < frag_num; i++) {
if (i > 0x7f)
j = (i & 0x7f) + 1;
else
j = i;
cmd_para->index = j;
if (i == (frag_num - 1)) {
cmd_para->index |= DATA_END;
frag_len = xdata->fw_len % PATCH_SEG_MAX;
pkt_len -= (PATCH_SEG_MAX - frag_len);
}
xdata->cmd_hdr->opcode = cpu_to_le16(DOWNLOAD_OPCODE);
xdata->cmd_hdr->plen = sizeof(uint8_t) + frag_len;
xdata->pkt_len = pkt_len;
memcpy(cmd_para->data, pcur, frag_len);
ret_val = send_hci_cmd(xdata);
if (ret_val < 0) {
return ret_val;
}
ret_val = rcv_hci_evt(xdata);
if (ret_val < 0) {
return ret_val;
}
if (0 != evt_para->status) {
return -1;
}
pcur += PATCH_SEG_MAX;
}
RTKBT_DBG("download_data done");
return xdata->fw_len;
}
int send_hci_cmd(xchange_data * xdata)
{
int ret_val;
ret_val = usb_control_msg(xdata->dev_entry->udev, xdata->pipe_out,
0, USB_TYPE_CLASS, 0, 0,
(void *)(xdata->send_pkt),
xdata->pkt_len, MSG_TO);
if (ret_val < 0)
RTKBT_ERR("%s; failed to send ctl msg for hci cmd, err %d",
__func__, ret_val);
return ret_val;
}
int rcv_hci_evt(xchange_data * xdata)
{
int ret_len = 0, ret_val = 0;
int i; // Added by Realtek
while (1) {
// **************************** Modifed by Realtek (begin)
for (i = 0; i < 5; i++) // Try to send USB interrupt message 5 times.
{
ret_val =
usb_interrupt_msg(xdata->dev_entry->udev,
xdata->pipe_in,
(void *)(xdata->rcv_pkt), PKT_LEN,
&ret_len, MSG_TO);
if (ret_val >= 0)
break;
}
// **************************** Modifed by Realtek (end)
if (ret_val < 0) {
RTKBT_ERR("%s; no usb intr msg for hci event, err %d",
__func__, ret_val);
return ret_val;
}
if (CMD_CMP_EVT == xdata->evt_hdr->evt) {
if (xdata->cmd_hdr->opcode == xdata->cmd_cmp->opcode)
return ret_len;
}
}
}
void print_acl(struct sk_buff *skb, int dataOut)
{
#if PRINT_ACL_DATA
uint wlength = skb->len;
uint icount = 0;
u16 *handle = (u16 *) (skb->data);
u16 dataLen = *(handle + 1);
u8 *acl_data = (u8 *) (skb->data);
//if (0==dataOut)
printk("%d handle:%04x,len:%d,", dataOut, *handle, dataLen);
//else
// printk("In handle:%04x,len:%d,",*handle,dataLen);
/* for(icount=4;(icount<wlength)&&(icount<32);icount++)
{
printk("%02x ",*(acl_data+icount) );
}
printk("\n");
*/
#endif
}
void print_command(struct sk_buff *skb)
{
#if PRINT_CMD_EVENT
uint wlength = skb->len;
uint icount = 0;
u16 *opcode = (u16 *) (skb->data);
u8 *cmd_data = (u8 *) (skb->data);
u8 paramLen = *(cmd_data + 2);
switch (*opcode) {
case HCI_OP_INQUIRY:
printk("HCI_OP_INQUIRY");
break;
case HCI_OP_INQUIRY_CANCEL:
printk("HCI_OP_INQUIRY_CANCEL");
break;
case HCI_OP_EXIT_PERIODIC_INQ:
printk("HCI_OP_EXIT_PERIODIC_INQ");
break;
case HCI_OP_CREATE_CONN:
printk("HCI_OP_CREATE_CONN");
break;
case HCI_OP_DISCONNECT:
printk("HCI_OP_DISCONNECT");
break;
case HCI_OP_CREATE_CONN_CANCEL:
printk("HCI_OP_CREATE_CONN_CANCEL");
break;
case HCI_OP_ACCEPT_CONN_REQ:
printk("HCI_OP_ACCEPT_CONN_REQ");
break;
case HCI_OP_REJECT_CONN_REQ:
printk("HCI_OP_REJECT_CONN_REQ");
break;
case HCI_OP_AUTH_REQUESTED:
printk("HCI_OP_AUTH_REQUESTED");
break;
case HCI_OP_SET_CONN_ENCRYPT:
printk("HCI_OP_SET_CONN_ENCRYPT");
break;
case HCI_OP_REMOTE_NAME_REQ:
printk("HCI_OP_REMOTE_NAME_REQ");
break;
case HCI_OP_READ_REMOTE_FEATURES:
printk("HCI_OP_READ_REMOTE_FEATURES");
break;
case HCI_OP_SNIFF_MODE:
printk("HCI_OP_SNIFF_MODE");
break;
case HCI_OP_EXIT_SNIFF_MODE:
printk("HCI_OP_EXIT_SNIFF_MODE");
break;
case HCI_OP_SWITCH_ROLE:
printk("HCI_OP_SWITCH_ROLE");
break;
case HCI_OP_SNIFF_SUBRATE:
printk("HCI_OP_SNIFF_SUBRATE");
break;
case HCI_OP_RESET:
printk("HCI_OP_RESET");
break;
default:
printk("CMD");
break;
}
printk(":%04x,len:%d,", *opcode, paramLen);
for (icount = 3; (icount < wlength) && (icount < 24); icount++) {
printk("%02x ", *(cmd_data + icount));
}
printk("\n");
#endif
}
void print_event(struct sk_buff *skb)
{
#if PRINT_CMD_EVENT
uint wlength = skb->len;
uint icount = 0;
u8 *opcode = (u8 *) (skb->data);
u8 paramLen = *(opcode + 1);
switch (*opcode) {
case HCI_EV_INQUIRY_COMPLETE:
printk("HCI_EV_INQUIRY_COMPLETE");
break;
case HCI_EV_INQUIRY_RESULT:
printk("HCI_EV_INQUIRY_RESULT");
break;
case HCI_EV_CONN_COMPLETE:
printk("HCI_EV_CONN_COMPLETE");
break;
case HCI_EV_CONN_REQUEST:
printk("HCI_EV_CONN_REQUEST");
break;
case HCI_EV_DISCONN_COMPLETE:
printk("HCI_EV_DISCONN_COMPLETE");
break;
case HCI_EV_AUTH_COMPLETE:
printk("HCI_EV_AUTH_COMPLETE");
break;
case HCI_EV_REMOTE_NAME:
printk("HCI_EV_REMOTE_NAME");
break;
case HCI_EV_ENCRYPT_CHANGE:
printk("HCI_EV_ENCRYPT_CHANGE");
break;
case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
printk("HCI_EV_CHANGE_LINK_KEY_COMPLETE");
break;
case HCI_EV_REMOTE_FEATURES:
printk("HCI_EV_REMOTE_FEATURES");
break;
case HCI_EV_REMOTE_VERSION:
printk("HCI_EV_REMOTE_VERSION");
break;
case HCI_EV_QOS_SETUP_COMPLETE:
printk("HCI_EV_QOS_SETUP_COMPLETE");
break;
case HCI_EV_CMD_COMPLETE:
printk("HCI_EV_CMD_COMPLETE");
break;
case HCI_EV_CMD_STATUS:
printk("HCI_EV_CMD_STATUS");
break;
case HCI_EV_ROLE_CHANGE:
printk("HCI_EV_ROLE_CHANGE");
break;
case HCI_EV_NUM_COMP_PKTS:
printk("HCI_EV_NUM_COMP_PKTS");
break;
case HCI_EV_MODE_CHANGE:
printk("HCI_EV_MODE_CHANGE");
break;
case HCI_EV_PIN_CODE_REQ:
printk("HCI_EV_PIN_CODE_REQ");
break;
case HCI_EV_LINK_KEY_REQ:
printk("HCI_EV_LINK_KEY_REQ");
break;
case HCI_EV_LINK_KEY_NOTIFY:
printk("HCI_EV_LINK_KEY_NOTIFY");
break;
case HCI_EV_CLOCK_OFFSET:
printk("HCI_EV_CLOCK_OFFSET");
break;
case HCI_EV_PKT_TYPE_CHANGE:
printk("HCI_EV_PKT_TYPE_CHANGE");
break;
case HCI_EV_PSCAN_REP_MODE:
printk("HCI_EV_PSCAN_REP_MODE");
break;
case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
printk("HCI_EV_INQUIRY_RESULT_WITH_RSSI");
break;
case HCI_EV_REMOTE_EXT_FEATURES:
printk("HCI_EV_REMOTE_EXT_FEATURES");
break;
case HCI_EV_SYNC_CONN_COMPLETE:
printk("HCI_EV_SYNC_CONN_COMPLETE");
break;
case HCI_EV_SYNC_CONN_CHANGED:
printk("HCI_EV_SYNC_CONN_CHANGED");
break;
case HCI_EV_SNIFF_SUBRATE:
printk("HCI_EV_SNIFF_SUBRATE");
break;
case HCI_EV_EXTENDED_INQUIRY_RESULT:
printk("HCI_EV_EXTENDED_INQUIRY_RESULT");
break;
case HCI_EV_IO_CAPA_REQUEST:
printk("HCI_EV_IO_CAPA_REQUEST");
break;
case HCI_EV_SIMPLE_PAIR_COMPLETE:
printk("HCI_EV_SIMPLE_PAIR_COMPLETE");
break;
case HCI_EV_REMOTE_HOST_FEATURES:
printk("HCI_EV_REMOTE_HOST_FEATURES");
break;
default:
printk("event");
break;
}
printk(":%02x,len:%d,", *opcode, paramLen);
for (icount = 2; (icount < wlength) && (icount < 24); icount++) {
printk("%02x ", *(opcode + icount));
}
printk("\n");
#endif
}