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-rw-r--r--drivers/bluetooth/Kconfig15
-rw-r--r--drivers/bluetooth/Makefile1
-rw-r--r--drivers/bluetooth/ath3k.c4
-rw-r--r--drivers/bluetooth/bt3c_cs.c3
-rw-r--r--drivers/bluetooth/btbcm.c154
-rw-r--r--drivers/bluetooth/btbcm.h6
-rw-r--r--drivers/bluetooth/btintel.c6
-rw-r--r--drivers/bluetooth/btmrvl_sdio.c2
-rw-r--r--drivers/bluetooth/btrtl.c390
-rw-r--r--drivers/bluetooth/btrtl.h52
-rw-r--r--drivers/bluetooth/btusb.c92
-rw-r--r--drivers/bluetooth/btwilink.c2
-rw-r--r--drivers/bluetooth/hci_ath.c98
-rw-r--r--drivers/bluetooth/hci_bcsp.c4
14 files changed, 667 insertions, 162 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index ed5c273..2e77707 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -9,6 +9,10 @@ config BT_BCM
tristate
select FW_LOADER
+config BT_RTL
+ tristate
+ select FW_LOADER
+
config BT_HCIBTUSB
tristate "HCI USB driver"
depends on USB
@@ -32,6 +36,17 @@ config BT_HCIBTUSB_BCM
Say Y here to compile support for Broadcom protocol.
+config BT_HCIBTUSB_RTL
+ bool "Realtek protocol support"
+ depends on BT_HCIBTUSB
+ select BT_RTL
+ default y
+ help
+ The Realtek protocol support enables firmware and configuration
+ download support for Realtek Bluetooth controllers.
+
+ Say Y here to compile support for Realtek protocol.
+
config BT_HCIBTSDIO
tristate "HCI SDIO driver"
depends on MMC
diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile
index dd0d9c4..f40e194 100644
--- a/drivers/bluetooth/Makefile
+++ b/drivers/bluetooth/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_BT_MRVL) += btmrvl.o
obj-$(CONFIG_BT_MRVL_SDIO) += btmrvl_sdio.o
obj-$(CONFIG_BT_WILINK) += btwilink.o
obj-$(CONFIG_BT_BCM) += btbcm.o
+obj-$(CONFIG_BT_RTL) += btrtl.o
btmrvl-y := btmrvl_main.o
btmrvl-$(CONFIG_DEBUG_FS) += btmrvl_debugfs.o
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index 288547a..8c81af6 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -88,6 +88,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x04CA, 0x3007) },
{ USB_DEVICE(0x04CA, 0x3008) },
{ USB_DEVICE(0x04CA, 0x300b) },
+ { USB_DEVICE(0x04CA, 0x300f) },
{ USB_DEVICE(0x04CA, 0x3010) },
{ USB_DEVICE(0x0930, 0x0219) },
{ USB_DEVICE(0x0930, 0x0220) },
@@ -104,6 +105,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x0cf3, 0xe003) },
{ USB_DEVICE(0x0CF3, 0xE004) },
{ USB_DEVICE(0x0CF3, 0xE005) },
+ { USB_DEVICE(0x0CF3, 0xE006) },
{ USB_DEVICE(0x13d3, 0x3362) },
{ USB_DEVICE(0x13d3, 0x3375) },
{ USB_DEVICE(0x13d3, 0x3393) },
@@ -143,6 +145,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
@@ -158,6 +161,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index 4f7e8d4..6de97b3 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -227,7 +227,6 @@ static void bt3c_receive(struct bt3c_info *info)
iobase = info->p_dev->resource[0]->start;
avail = bt3c_read(iobase, 0x7006);
- //printk("bt3c_cs: receiving %d bytes\n", avail);
bt3c_address(iobase, 0x7480);
while (size < avail) {
@@ -250,7 +249,6 @@ static void bt3c_receive(struct bt3c_info *info)
bt_cb(info->rx_skb)->pkt_type = inb(iobase + DATA_L);
inb(iobase + DATA_H);
- //printk("bt3c: PACKET_TYPE=%02x\n", bt_cb(info->rx_skb)->pkt_type);
switch (bt_cb(info->rx_skb)->pkt_type) {
@@ -364,7 +362,6 @@ static irqreturn_t bt3c_interrupt(int irq, void *dev_inst)
if (stat & 0x0001)
bt3c_receive(info);
if (stat & 0x0002) {
- //BT_ERR("Ack (stat=0x%04x)", stat);
clear_bit(XMIT_SENDING, &(info->tx_state));
bt3c_write_wakeup(info);
}
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index d0741f3..728fce3 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -55,12 +55,6 @@ int btbcm_check_bdaddr(struct hci_dev *hdev)
}
bda = (struct hci_rp_read_bd_addr *)skb->data;
- if (bda->status) {
- BT_ERR("%s: BCM: Device address result failed (%02x)",
- hdev->name, bda->status);
- kfree_skb(skb);
- return -bt_to_errno(bda->status);
- }
/* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
* with no configured address.
@@ -95,6 +89,78 @@ int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
}
EXPORT_SYMBOL_GPL(btbcm_set_bdaddr);
+int btbcm_patchram(struct hci_dev *hdev, const char *firmware)
+{
+ const struct hci_command_hdr *cmd;
+ const struct firmware *fw;
+ const u8 *fw_ptr;
+ size_t fw_size;
+ struct sk_buff *skb;
+ u16 opcode;
+ int err;
+
+ err = request_firmware(&fw, firmware, &hdev->dev);
+ if (err < 0) {
+ BT_INFO("%s: BCM: Patch %s not found", hdev->name, firmware);
+ return err;
+ }
+
+ /* Start Download */
+ skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ BT_ERR("%s: BCM: Download Minidrv command failed (%d)",
+ hdev->name, err);
+ goto done;
+ }
+ kfree_skb(skb);
+
+ /* 50 msec delay after Download Minidrv completes */
+ msleep(50);
+
+ fw_ptr = fw->data;
+ fw_size = fw->size;
+
+ while (fw_size >= sizeof(*cmd)) {
+ const u8 *cmd_param;
+
+ cmd = (struct hci_command_hdr *)fw_ptr;
+ fw_ptr += sizeof(*cmd);
+ fw_size -= sizeof(*cmd);
+
+ if (fw_size < cmd->plen) {
+ BT_ERR("%s: BCM: Patch %s is corrupted", hdev->name,
+ firmware);
+ err = -EINVAL;
+ goto done;
+ }
+
+ cmd_param = fw_ptr;
+ fw_ptr += cmd->plen;
+ fw_size -= cmd->plen;
+
+ opcode = le16_to_cpu(cmd->opcode);
+
+ skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ BT_ERR("%s: BCM: Patch command %04x failed (%d)",
+ hdev->name, opcode, err);
+ goto done;
+ }
+ kfree_skb(skb);
+ }
+
+ /* 250 msec delay after Launch Ram completes */
+ msleep(250);
+
+done:
+ release_firmware(fw);
+ return err;
+}
+EXPORT_SYMBOL(btbcm_patchram);
+
static int btbcm_reset(struct hci_dev *hdev)
{
struct sk_buff *skb;
@@ -198,12 +264,8 @@ static const struct {
int btbcm_setup_patchram(struct hci_dev *hdev)
{
- const struct hci_command_hdr *cmd;
- const struct firmware *fw;
- const u8 *fw_ptr;
- size_t fw_size;
char fw_name[64];
- u16 opcode, subver, rev, pid, vid;
+ u16 subver, rev, pid, vid;
const char *hw_name = NULL;
struct sk_buff *skb;
struct hci_rp_read_local_version *ver;
@@ -273,74 +335,19 @@ int btbcm_setup_patchram(struct hci_dev *hdev)
hw_name ? : "BCM", (subver & 0x7000) >> 13,
(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
- err = request_firmware(&fw, fw_name, &hdev->dev);
- if (err < 0) {
- BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name);
+ err = btbcm_patchram(hdev, fw_name);
+ if (err == -ENOENT)
return 0;
- }
-
- /* Start Download */
- skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- err = PTR_ERR(skb);
- BT_ERR("%s: BCM: Download Minidrv command failed (%d)",
- hdev->name, err);
- goto reset;
- }
- kfree_skb(skb);
-
- /* 50 msec delay after Download Minidrv completes */
- msleep(50);
-
- fw_ptr = fw->data;
- fw_size = fw->size;
-
- while (fw_size >= sizeof(*cmd)) {
- const u8 *cmd_param;
-
- cmd = (struct hci_command_hdr *)fw_ptr;
- fw_ptr += sizeof(*cmd);
- fw_size -= sizeof(*cmd);
-
- if (fw_size < cmd->plen) {
- BT_ERR("%s: BCM: patch %s is corrupted", hdev->name,
- fw_name);
- err = -EINVAL;
- goto reset;
- }
- cmd_param = fw_ptr;
- fw_ptr += cmd->plen;
- fw_size -= cmd->plen;
-
- opcode = le16_to_cpu(cmd->opcode);
-
- skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param,
- HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- err = PTR_ERR(skb);
- BT_ERR("%s: BCM: patch command %04x failed (%d)",
- hdev->name, opcode, err);
- goto reset;
- }
- kfree_skb(skb);
- }
-
- /* 250 msec delay after Launch Ram completes */
- msleep(250);
-
-reset:
/* Reset */
err = btbcm_reset(hdev);
if (err)
- goto done;
+ return err;
/* Read Local Version Info */
skb = btbcm_read_local_version(hdev);
- if (IS_ERR(skb)) {
- err = PTR_ERR(skb);
- goto done;
- }
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
ver = (struct hci_rp_read_local_version *)skb->data;
rev = le16_to_cpu(ver->hci_rev);
@@ -355,10 +362,7 @@ reset:
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
-done:
- release_firmware(fw);
-
- return err;
+ return 0;
}
EXPORT_SYMBOL_GPL(btbcm_setup_patchram);
diff --git a/drivers/bluetooth/btbcm.h b/drivers/bluetooth/btbcm.h
index 34268ae..eb6ab5f 100644
--- a/drivers/bluetooth/btbcm.h
+++ b/drivers/bluetooth/btbcm.h
@@ -25,6 +25,7 @@
int btbcm_check_bdaddr(struct hci_dev *hdev);
int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
+int btbcm_patchram(struct hci_dev *hdev, const char *firmware);
int btbcm_setup_patchram(struct hci_dev *hdev);
int btbcm_setup_apple(struct hci_dev *hdev);
@@ -41,6 +42,11 @@ static inline int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
return -EOPNOTSUPP;
}
+static inline int btbcm_patchram(struct hci_dev *hdev, const char *firmware)
+{
+ return -EOPNOTSUPP;
+}
+
static inline int btbcm_setup_patchram(struct hci_dev *hdev)
{
return 0;
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 2d43d42..828f2f8 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -53,12 +53,6 @@ int btintel_check_bdaddr(struct hci_dev *hdev)
}
bda = (struct hci_rp_read_bd_addr *)skb->data;
- if (bda->status) {
- BT_ERR("%s: Intel device address result failed (%02x)",
- hdev->name, bda->status);
- kfree_skb(skb);
- return -bt_to_errno(bda->status);
- }
/* For some Intel based controllers, the default Bluetooth device
* address 00:03:19:9E:8B:00 can be found. These controllers are
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index 01d6da5..b9a8119 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -1217,7 +1217,7 @@ static void btmrvl_sdio_dump_firmware(struct btmrvl_private *priv)
unsigned int reg, reg_start, reg_end;
enum rdwr_status stat;
u8 *dbg_ptr, *end_ptr, *fw_dump_data, *fw_dump_ptr;
- u8 dump_num, idx, i, read_reg, doneflag = 0;
+ u8 dump_num = 0, idx, i, read_reg, doneflag = 0;
u32 memory_size, fw_dump_len = 0;
/* dump sdio register first */
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
new file mode 100644
index 0000000..8428893
--- /dev/null
+++ b/drivers/bluetooth/btrtl.c
@@ -0,0 +1,390 @@
+/*
+ * Bluetooth support for Realtek devices
+ *
+ * Copyright (C) 2015 Endless Mobile, Inc.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/firmware.h>
+#include <asm/unaligned.h>
+#include <linux/usb.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#include "btrtl.h"
+
+#define VERSION "0.1"
+
+#define RTL_EPATCH_SIGNATURE "Realtech"
+#define RTL_ROM_LMP_3499 0x3499
+#define RTL_ROM_LMP_8723A 0x1200
+#define RTL_ROM_LMP_8723B 0x8723
+#define RTL_ROM_LMP_8821A 0x8821
+#define RTL_ROM_LMP_8761A 0x8761
+
+static int rtl_read_rom_version(struct hci_dev *hdev, u8 *version)
+{
+ struct rtl_rom_version_evt *rom_version;
+ struct sk_buff *skb;
+
+ /* Read RTL ROM version command */
+ skb = __hci_cmd_sync(hdev, 0xfc6d, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ BT_ERR("%s: Read ROM version failed (%ld)",
+ hdev->name, PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ if (skb->len != sizeof(*rom_version)) {
+ BT_ERR("%s: RTL version event length mismatch", hdev->name);
+ kfree_skb(skb);
+ return -EIO;
+ }
+
+ rom_version = (struct rtl_rom_version_evt *)skb->data;
+ BT_INFO("%s: rom_version status=%x version=%x",
+ hdev->name, rom_version->status, rom_version->version);
+
+ *version = rom_version->version;
+
+ kfree_skb(skb);
+ return 0;
+}
+
+static int rtl8723b_parse_firmware(struct hci_dev *hdev, u16 lmp_subver,
+ const struct firmware *fw,
+ unsigned char **_buf)
+{
+ const u8 extension_sig[] = { 0x51, 0x04, 0xfd, 0x77 };
+ struct rtl_epatch_header *epatch_info;
+ unsigned char *buf;
+ int i, ret, len;
+ size_t min_size;
+ u8 opcode, length, data, rom_version = 0;
+ int project_id = -1;
+ const unsigned char *fwptr, *chip_id_base;
+ const unsigned char *patch_length_base, *patch_offset_base;
+ u32 patch_offset = 0;
+ u16 patch_length, num_patches;
+ const u16 project_id_to_lmp_subver[] = {
+ RTL_ROM_LMP_8723A,
+ RTL_ROM_LMP_8723B,
+ RTL_ROM_LMP_8821A,
+ RTL_ROM_LMP_8761A
+ };
+
+ ret = rtl_read_rom_version(hdev, &rom_version);
+ if (ret)
+ return ret;
+
+ min_size = sizeof(struct rtl_epatch_header) + sizeof(extension_sig) + 3;
+ if (fw->size < min_size)
+ return -EINVAL;
+
+ fwptr = fw->data + fw->size - sizeof(extension_sig);
+ if (memcmp(fwptr, extension_sig, sizeof(extension_sig)) != 0) {
+ BT_ERR("%s: extension section signature mismatch", hdev->name);
+ return -EINVAL;
+ }
+
+ /* Loop from the end of the firmware parsing instructions, until
+ * we find an instruction that identifies the "project ID" for the
+ * hardware supported by this firwmare file.
+ * Once we have that, we double-check that that project_id is suitable
+ * for the hardware we are working with.
+ */
+ while (fwptr >= fw->data + (sizeof(struct rtl_epatch_header) + 3)) {
+ opcode = *--fwptr;
+ length = *--fwptr;
+ data = *--fwptr;
+
+ BT_DBG("check op=%x len=%x data=%x", opcode, length, data);
+
+ if (opcode == 0xff) /* EOF */
+ break;
+
+ if (length == 0) {
+ BT_ERR("%s: found instruction with length 0",
+ hdev->name);
+ return -EINVAL;
+ }
+
+ if (opcode == 0 && length == 1) {
+ project_id = data;
+ break;
+ }
+
+ fwptr -= length;
+ }
+
+ if (project_id < 0) {
+ BT_ERR("%s: failed to find version instruction", hdev->name);
+ return -EINVAL;
+ }
+
+ if (project_id >= ARRAY_SIZE(project_id_to_lmp_subver)) {
+ BT_ERR("%s: unknown project id %d", hdev->name, project_id);
+ return -EINVAL;
+ }
+
+ if (lmp_subver != project_id_to_lmp_subver[project_id]) {
+ BT_ERR("%s: firmware is for %x but this is a %x", hdev->name,
+ project_id_to_lmp_subver[project_id], lmp_subver);
+ return -EINVAL;
+ }
+
+ epatch_info = (struct rtl_epatch_header *)fw->data;
+ if (memcmp(epatch_info->signature, RTL_EPATCH_SIGNATURE, 8) != 0) {
+ BT_ERR("%s: bad EPATCH signature", hdev->name);
+ return -EINVAL;
+ }
+
+ num_patches = le16_to_cpu(epatch_info->num_patches);
+ BT_DBG("fw_version=%x, num_patches=%d",
+ le32_to_cpu(epatch_info->fw_version), num_patches);
+
+ /* After the rtl_epatch_header there is a funky patch metadata section.
+ * Assuming 2 patches, the layout is:
+ * ChipID1 ChipID2 PatchLength1 PatchLength2 PatchOffset1 PatchOffset2
+ *
+ * Find the right patch for this chip.
+ */
+ min_size += 8 * num_patches;
+ if (fw->size < min_size)
+ return -EINVAL;
+
+ chip_id_base = fw->data + sizeof(struct rtl_epatch_header);
+ patch_length_base = chip_id_base + (sizeof(u16) * num_patches);
+ patch_offset_base = patch_length_base + (sizeof(u16) * num_patches);
+ for (i = 0; i < num_patches; i++) {
+ u16 chip_id = get_unaligned_le16(chip_id_base +
+ (i * sizeof(u16)));
+ if (chip_id == rom_version + 1) {
+ patch_length = get_unaligned_le16(patch_length_base +
+ (i * sizeof(u16)));
+ patch_offset = get_unaligned_le32(patch_offset_base +
+ (i * sizeof(u32)));
+ break;
+ }
+ }
+
+ if (!patch_offset) {
+ BT_ERR("%s: didn't find patch for chip id %d",
+ hdev->name, rom_version);
+ return -EINVAL;
+ }
+
+ BT_DBG("length=%x offset=%x index %d", patch_length, patch_offset, i);
+ min_size = patch_offset + patch_length;
+ if (fw->size < min_size)
+ return -EINVAL;
+
+ /* Copy the firmware into a new buffer and write the version at
+ * the end.
+ */
+ len = patch_length;
+ buf = kmemdup(fw->data + patch_offset, patch_length, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ memcpy(buf + patch_length - 4, &epatch_info->fw_version, 4);
+
+ *_buf = buf;
+ return len;
+}
+
+static int rtl_download_firmware(struct hci_dev *hdev,
+ const unsigned char *data, int fw_len)
+{
+ struct rtl_download_cmd *dl_cmd;
+ int frag_num = fw_len / RTL_FRAG_LEN + 1;
+ int frag_len = RTL_FRAG_LEN;
+ int ret = 0;
+ int i;
+
+ dl_cmd = kmalloc(sizeof(struct rtl_download_cmd), GFP_KERNEL);
+ if (!dl_cmd)
+ return -ENOMEM;
+
+ for (i = 0; i < frag_num; i++) {
+ struct sk_buff *skb;
+
+ BT_DBG("download fw (%d/%d)", i, frag_num);
+
+ dl_cmd->index = i;
+ if (i == (frag_num - 1)) {
+ dl_cmd->index |= 0x80; /* data end */
+ frag_len = fw_len % RTL_FRAG_LEN;
+ }
+ memcpy(dl_cmd->data, data, frag_len);
+
+ /* Send download command */
+ skb = __hci_cmd_sync(hdev, 0xfc20, frag_len + 1, dl_cmd,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ BT_ERR("%s: download fw command failed (%ld)",
+ hdev->name, PTR_ERR(skb));
+ ret = -PTR_ERR(skb);
+ goto out;
+ }
+
+ if (skb->len != sizeof(struct rtl_download_response)) {
+ BT_ERR("%s: download fw event length mismatch",
+ hdev->name);
+ kfree_skb(skb);
+ ret = -EIO;
+ goto out;
+ }
+
+ kfree_skb(skb);
+ data += RTL_FRAG_LEN;
+ }
+
+out:
+ kfree(dl_cmd);
+ return ret;
+}
+
+static int btrtl_setup_rtl8723a(struct hci_dev *hdev)
+{
+ const struct firmware *fw;
+ int ret;
+
+ BT_INFO("%s: rtl: loading rtl_bt/rtl8723a_fw.bin", hdev->name);
+ ret = request_firmware(&fw, "rtl_bt/rtl8723a_fw.bin", &hdev->dev);
+ if (ret < 0) {
+ BT_ERR("%s: Failed to load rtl_bt/rtl8723a_fw.bin", hdev->name);
+ return ret;
+ }
+
+ if (fw->size < 8) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ /* Check that the firmware doesn't have the epatch signature
+ * (which is only for RTL8723B and newer).
+ */
+ if (!memcmp(fw->data, RTL_EPATCH_SIGNATURE, 8)) {
+ BT_ERR("%s: unexpected EPATCH signature!", hdev->name);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ret = rtl_download_firmware(hdev, fw->data, fw->size);
+
+out:
+ release_firmware(fw);
+ return ret;
+}
+
+static int btrtl_setup_rtl8723b(struct hci_dev *hdev, u16 lmp_subver,
+ const char *fw_name)
+{
+ unsigned char *fw_data = NULL;
+ const struct firmware *fw;
+ int ret;
+
+ BT_INFO("%s: rtl: loading %s", hdev->name, fw_name);
+ ret = request_firmware(&fw, fw_name, &hdev->dev);
+ if (ret < 0) {
+ BT_ERR("%s: Failed to load %s", hdev->name, fw_name);
+ return ret;
+ }
+
+ ret = rtl8723b_parse_firmware(hdev, lmp_subver, fw, &fw_data);
+ if (ret < 0)
+ goto out;
+
+ ret = rtl_download_firmware(hdev, fw_data, ret);
+ kfree(fw_data);
+ if (ret < 0)
+ goto out;
+
+out:
+ release_firmware(fw);
+ return ret;
+}
+
+static struct sk_buff *btrtl_read_local_version(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+
+ skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)",
+ hdev->name, PTR_ERR(skb));
+ return skb;
+ }
+
+ if (skb->len != sizeof(struct hci_rp_read_local_version)) {
+ BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch",
+ hdev->name);
+ kfree_skb(skb);
+ return ERR_PTR(-EIO);
+ }
+
+ return skb;
+}
+
+int btrtl_setup_realtek(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ struct hci_rp_read_local_version *resp;
+ u16 lmp_subver;
+
+ skb = btrtl_read_local_version(hdev);
+ if (IS_ERR(skb))
+ return -PTR_ERR(skb);
+
+ resp = (struct hci_rp_read_local_version *)skb->data;
+ BT_INFO("%s: rtl: examining hci_ver=%02x hci_rev=%04x lmp_ver=%02x "
+ "lmp_subver=%04x", hdev->name, resp->hci_ver, resp->hci_rev,
+ resp->lmp_ver, resp->lmp_subver);
+
+ lmp_subver = le16_to_cpu(resp->lmp_subver);
+ kfree_skb(skb);
+
+ /* Match a set of subver values that correspond to stock firmware,
+ * which is not compatible with standard btusb.
+ * If matched, upload an alternative firmware that does conform to
+ * standard btusb. Once that firmware is uploaded, the subver changes
+ * to a different value.
+ */
+ switch (lmp_subver) {
+ case RTL_ROM_LMP_8723A:
+ case RTL_ROM_LMP_3499:
+ return btrtl_setup_rtl8723a(hdev);
+ case RTL_ROM_LMP_8723B:
+ return btrtl_setup_rtl8723b(hdev, lmp_subver,
+ "rtl_bt/rtl8723b_fw.bin");
+ case RTL_ROM_LMP_8821A:
+ return btrtl_setup_rtl8723b(hdev, lmp_subver,
+ "rtl_bt/rtl8821a_fw.bin");
+ case RTL_ROM_LMP_8761A:
+ return btrtl_setup_rtl8723b(hdev, lmp_subver,
+ "rtl_bt/rtl8761a_fw.bin");
+ default:
+ BT_INFO("rtl: assuming no firmware upload needed.");
+ return 0;
+ }
+}
+EXPORT_SYMBOL_GPL(btrtl_setup_realtek);
+
+MODULE_AUTHOR("Daniel Drake <drake@endlessm.com>");
+MODULE_DESCRIPTION("Bluetooth support for Realtek devices ver " VERSION);
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/bluetooth/btrtl.h b/drivers/bluetooth/btrtl.h
new file mode 100644
index 0000000..38ffe48
--- /dev/null
+++ b/drivers/bluetooth/btrtl.h
@@ -0,0 +1,52 @@
+/*
+ * Bluetooth support for Realtek devices
+ *
+ * Copyright (C) 2015 Endless Mobile, Inc.
+ *
+ * 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.
+ *
+ */
+
+#define RTL_FRAG_LEN 252
+
+struct rtl_download_cmd {
+ __u8 index;
+ __u8 data[RTL_FRAG_LEN];
+} __packed;
+
+struct rtl_download_response {
+ __u8 status;
+ __u8 index;
+} __packed;
+
+struct rtl_rom_version_evt {
+ __u8 status;
+ __u8 version;
+} __packed;
+
+struct rtl_epatch_header {
+ __u8 signature[8];
+ __le32 fw_version;
+ __le16 num_patches;
+} __packed;
+
+#if IS_ENABLED(CONFIG_BT_RTL)
+
+int btrtl_setup_realtek(struct hci_dev *hdev);
+
+#else
+
+static inline int btrtl_setup_realtek(struct hci_dev *hdev)
+{
+ return -EOPNOTSUPP;
+}
+
+#endif
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index de7b236..94c6c04 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -24,19 +24,21 @@
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/firmware.h>
+#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include "btintel.h"
#include "btbcm.h"
+#include "btrtl.h"
#define VERSION "0.8"
static bool disable_scofix;
static bool force_scofix;
-static bool reset = 1;
+static bool reset = true;
static struct usb_driver btusb_driver;
@@ -57,6 +59,7 @@ static struct usb_driver btusb_driver;
#define BTUSB_AMP 0x4000
#define BTUSB_QCA_ROME 0x8000
#define BTUSB_BCM_APPLE 0x10000
+#define BTUSB_REALTEK 0x20000
static const struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
@@ -184,6 +187,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
@@ -200,6 +204,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
@@ -216,6 +221,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
/* QCA ROME chipset */
+ { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
@@ -288,6 +294,28 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
.driver_info = BTUSB_IGNORE },
+ /* Realtek Bluetooth devices */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
+ .driver_info = BTUSB_REALTEK },
+
+ /* Additional Realtek 8723AE Bluetooth devices */
+ { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
+
+ /* Additional Realtek 8723BE Bluetooth devices */
+ { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
+
+ /* Additional Realtek 8821AE Bluetooth devices */
+ { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
+
{ } /* Terminating entry */
};
@@ -303,6 +331,7 @@ static const struct usb_device_id blacklist_table[] = {
#define BTUSB_FIRMWARE_LOADED 7
#define BTUSB_FIRMWARE_FAILED 8
#define BTUSB_BOOTING 9
+#define BTUSB_RESET_RESUME 10
struct btusb_data {
struct hci_dev *hdev;
@@ -892,7 +921,7 @@ static int btusb_open(struct hci_dev *hdev)
*/
if (data->setup_on_usb) {
err = data->setup_on_usb(hdev);
- if (err <0)
+ if (err < 0)
return err;
}
@@ -1552,12 +1581,6 @@ static int btusb_setup_intel(struct hci_dev *hdev)
}
ver = (struct intel_version *)skb->data;
- if (ver->status) {
- BT_ERR("%s Intel fw version event failed (%02x)", hdev->name,
- ver->status);
- kfree_skb(skb);
- return -bt_to_errno(ver->status);
- }
BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
hdev->name, ver->hw_platform, ver->hw_variant,
@@ -1605,15 +1628,6 @@ static int btusb_setup_intel(struct hci_dev *hdev)
return PTR_ERR(skb);
}
- if (skb->data[0]) {
- u8 evt_status = skb->data[0];
-
- BT_ERR("%s enable Intel manufacturer mode event failed (%02x)",
- hdev->name, evt_status);
- kfree_skb(skb);
- release_firmware(fw);
- return -bt_to_errno(evt_status);
- }
kfree_skb(skb);
disable_patch = 1;
@@ -1959,13 +1973,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
}
ver = (struct intel_version *)skb->data;
- if (ver->status) {
- BT_ERR("%s: Intel version command failure (%02x)",
- hdev->name, ver->status);
- err = -bt_to_errno(ver->status);
- kfree_skb(skb);
- return err;
- }
/* The hardware platform number has a fixed value of 0x37 and
* for now only accept this single value.
@@ -2040,13 +2047,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
}
params = (struct intel_boot_params *)skb->data;
- if (params->status) {
- BT_ERR("%s: Intel boot parameters command failure (%02x)",
- hdev->name, params->status);
- err = -bt_to_errno(params->status);
- kfree_skb(skb);
- return err;
- }
BT_INFO("%s: Device revision is %u", hdev->name,
le16_to_cpu(params->dev_revid));
@@ -2279,13 +2279,6 @@ static void btusb_hw_error_intel(struct hci_dev *hdev, u8 code)
return;
}
- if (skb->data[0] != 0x00) {
- BT_ERR("%s: Exception info command failure (%02x)",
- hdev->name, skb->data[0]);
- kfree_skb(skb);
- return;
- }
-
BT_ERR("%s: Exception info %s", hdev->name, (char *)(skb->data + 1));
kfree_skb(skb);
@@ -2393,6 +2386,7 @@ struct qca_device_info {
static const struct qca_device_info qca_devices_table[] = {
{ 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
{ 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
+ { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
{ 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
{ 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
{ 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
@@ -2577,7 +2571,7 @@ static int btusb_setup_qca(struct hci_dev *hdev)
int i, err;
err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
- sizeof(ver));
+ sizeof(ver));
if (err < 0)
return err;
@@ -2776,6 +2770,18 @@ static int btusb_probe(struct usb_interface *intf,
hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
}
+#ifdef CONFIG_BT_HCIBTUSB_RTL
+ if (id->driver_info & BTUSB_REALTEK) {
+ hdev->setup = btrtl_setup_realtek;
+
+ /* Realtek devices lose their updated firmware over suspend,
+ * but the USB hub doesn't notice any status change.
+ * Explicitly request a device reset on resume.
+ */
+ set_bit(BTUSB_RESET_RESUME, &data->flags);
+ }
+#endif
+
if (id->driver_info & BTUSB_AMP) {
/* AMP controllers do not support SCO packets */
data->isoc = NULL;
@@ -2906,6 +2912,14 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
btusb_stop_traffic(data);
usb_kill_anchored_urbs(&data->tx_anchor);
+ /* Optionally request a device reset on resume, but only when
+ * wakeups are disabled. If wakeups are enabled we assume the
+ * device will stay powered up throughout suspend.
+ */
+ if (test_bit(BTUSB_RESET_RESUME, &data->flags) &&
+ !device_may_wakeup(&data->udev->dev))
+ data->udev->reset_resume = 1;
+
return 0;
}
diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c
index 55c135b..7a722df 100644
--- a/drivers/bluetooth/btwilink.c
+++ b/drivers/bluetooth/btwilink.c
@@ -22,7 +22,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
-#define DEBUG
+
#include <linux/platform_device.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
diff --git a/drivers/bluetooth/hci_ath.c b/drivers/bluetooth/hci_ath.c
index 1b3f864..ec8fa0e 100644
--- a/drivers/bluetooth/hci_ath.c
+++ b/drivers/bluetooth/hci_ath.c
@@ -95,7 +95,6 @@ static void ath_hci_uart_work(struct work_struct *work)
hci_uart_tx_wakeup(hu);
}
-/* Initialize protocol */
static int ath_open(struct hci_uart *hu)
{
struct ath_struct *ath;
@@ -116,8 +115,7 @@ static int ath_open(struct hci_uart *hu)
return 0;
}
-/* Flush protocol data */
-static int ath_flush(struct hci_uart *hu)
+static int ath_close(struct hci_uart *hu)
{
struct ath_struct *ath = hu->priv;
@@ -125,11 +123,17 @@ static int ath_flush(struct hci_uart *hu)
skb_queue_purge(&ath->txq);
+ kfree_skb(ath->rx_skb);
+
+ cancel_work_sync(&ath->ctxtsw);
+
+ hu->priv = NULL;
+ kfree(ath);
+
return 0;
}
-/* Close protocol */
-static int ath_close(struct hci_uart *hu)
+static int ath_flush(struct hci_uart *hu)
{
struct ath_struct *ath = hu->priv;
@@ -137,19 +141,65 @@ static int ath_close(struct hci_uart *hu)
skb_queue_purge(&ath->txq);
- kfree_skb(ath->rx_skb);
+ return 0;
+}
- cancel_work_sync(&ath->ctxtsw);
+static int ath_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+ struct sk_buff *skb;
+ u8 buf[10];
+ int err;
+
+ buf[0] = 0x01;
+ buf[1] = 0x01;
+ buf[2] = 0x00;
+ buf[3] = sizeof(bdaddr_t);
+ memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
+
+ skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ BT_ERR("%s: Change address command failed (%d)",
+ hdev->name, err);
+ return err;
+ }
+ kfree_skb(skb);
- hu->priv = NULL;
- kfree(ath);
+ return 0;
+}
+
+static int ath_setup(struct hci_uart *hu)
+{
+ BT_DBG("hu %p", hu);
+
+ hu->hdev->set_bdaddr = ath_set_bdaddr;
return 0;
}
+static const struct h4_recv_pkt ath_recv_pkts[] = {
+ { H4_RECV_ACL, .recv = hci_recv_frame },
+ { H4_RECV_SCO, .recv = hci_recv_frame },
+ { H4_RECV_EVENT, .recv = hci_recv_frame },
+};
+
+static int ath_recv(struct hci_uart *hu, const void *data, int count)
+{
+ struct ath_struct *ath = hu->priv;
+
+ ath->rx_skb = h4_recv_buf(hu->hdev, ath->rx_skb, data, count,
+ ath_recv_pkts, ARRAY_SIZE(ath_recv_pkts));
+ if (IS_ERR(ath->rx_skb)) {
+ int err = PTR_ERR(ath->rx_skb);
+ BT_ERR("%s: Frame reassembly failed (%d)", hu->hdev->name, err);
+ return err;
+ }
+
+ return count;
+}
+
#define HCI_OP_ATH_SLEEP 0xFC04
-/* Enqueue frame for transmittion */
static int ath_enqueue(struct hci_uart *hu, struct sk_buff *skb)
{
struct ath_struct *ath = hu->priv;
@@ -159,8 +209,7 @@ static int ath_enqueue(struct hci_uart *hu, struct sk_buff *skb)
return 0;
}
- /*
- * Update power management enable flag with parameters of
+ /* Update power management enable flag with parameters of
* HCI sleep enable vendor specific HCI command.
*/
if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) {
@@ -190,37 +239,16 @@ static struct sk_buff *ath_dequeue(struct hci_uart *hu)
return skb_dequeue(&ath->txq);
}
-static const struct h4_recv_pkt ath_recv_pkts[] = {
- { H4_RECV_ACL, .recv = hci_recv_frame },
- { H4_RECV_SCO, .recv = hci_recv_frame },
- { H4_RECV_EVENT, .recv = hci_recv_frame },
-};
-
-/* Recv data */
-static int ath_recv(struct hci_uart *hu, const void *data, int count)
-{
- struct ath_struct *ath = hu->priv;
-
- ath->rx_skb = h4_recv_buf(hu->hdev, ath->rx_skb, data, count,
- ath_recv_pkts, ARRAY_SIZE(ath_recv_pkts));
- if (IS_ERR(ath->rx_skb)) {
- int err = PTR_ERR(ath->rx_skb);
- BT_ERR("%s: Frame reassembly failed (%d)", hu->hdev->name, err);
- return err;
- }
-
- return count;
-}
-
static const struct hci_uart_proto athp = {
.id = HCI_UART_ATH3K,
.name = "ATH3K",
.open = ath_open,
.close = ath_close,
+ .flush = ath_flush,
+ .setup = ath_setup,
.recv = ath_recv,
.enqueue = ath_enqueue,
.dequeue = ath_dequeue,
- .flush = ath_flush,
};
int __init ath_init(void)
diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c
index dc8e3d4..fc0056a 100644
--- a/drivers/bluetooth/hci_bcsp.c
+++ b/drivers/bluetooth/hci_bcsp.c
@@ -47,8 +47,8 @@
#include "hci_uart.h"
-static bool txcrc = 1;
-static bool hciextn = 1;
+static bool txcrc = true;
+static bool hciextn = true;
#define BCSP_TXWINSIZE 4
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