![Geert Uytterhoeven](/assets/img/avatar_default.png)
drivers/staging/btmtk_usb/btmtk_usb.c: In function ‘btmtk_usb_probe’:
drivers/staging/btmtk_usb/btmtk_usb.c:1610: warning: assignment from incompatible pointer type
Add the new hdev parameter, cfr. commit
7bd8f09f69
("Bluetooth: Add hdev parameter to
hdev->send driver callback").
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1811 lines
38 KiB
C
1811 lines
38 KiB
C
/*
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* MediaTek Bluetooth USB Driver
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*
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* Copyright (C) 2013, MediaTek co.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* or on the worldwide web at
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/types.h>
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#include <linux/sched.h>
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#include <linux/errno.h>
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#include <linux/skbuff.h>
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#include <linux/completion.h>
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#include <linux/firmware.h>
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#include <linux/usb.h>
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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#include "btmtk_usb.h"
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#define VERSION "1.0.4"
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#define MT7650_FIRMWARE "mt7650.bin"
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#define MT7662_FIRMWARE "mt7662.bin"
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static struct usb_driver btmtk_usb_driver;
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static int btmtk_usb_load_rom_patch(struct btmtk_usb_data *);
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static int btmtk_usb_load_fw(struct btmtk_usb_data *);
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static void hex_dump(char *str, u8 *src_buf, u32 src_buf_len)
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{
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unsigned char *pt;
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int x;
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pt = src_buf;
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BT_DBG("%s: %p, len = %d\n", str, src_buf, src_buf_len);
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for (x = 0; x < src_buf_len; x++) {
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if (x % 16 == 0)
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BT_DBG("0x%04x : ", x);
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BT_DBG("%02x ", ((unsigned char)pt[x]));
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if (x % 16 == 15)
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BT_DBG("\n");
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}
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BT_DBG("\n");
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}
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static int btmtk_usb_reset(struct usb_device *udev)
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{
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int ret;
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BT_DBG("%s\n", __func__);
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ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x01,
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DEVICE_VENDOR_REQUEST_OUT, 0x01, 0x00,
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NULL, 0x00, CONTROL_TIMEOUT_JIFFIES);
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if (ret < 0) {
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BT_ERR("%s error(%d)\n", __func__, ret);
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return ret;
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}
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if (ret > 0)
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ret = 0;
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return ret;
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}
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static int btmtk_usb_io_read32(struct btmtk_usb_data *data, u32 reg, u32 *val)
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{
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u8 request = data->r_request;
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struct usb_device *udev = data->udev;
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int ret;
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__le32 val_le;
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ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), request,
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DEVICE_VENDOR_REQUEST_IN, 0x0, reg, data->io_buf,
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4, CONTROL_TIMEOUT_JIFFIES);
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if (ret < 0) {
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*val = 0xffffffff;
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BT_ERR("%s error(%d), reg=%x, value=%x\n",
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__func__, ret, reg, *val);
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return ret;
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}
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memmove(&val_le, data->io_buf, 4);
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*val = le32_to_cpu(val_le);
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if (ret > 0)
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ret = 0;
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return ret;
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}
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static int btmtk_usb_io_write32(struct btmtk_usb_data *data, u32 reg, u32 val)
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{
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u16 value, index;
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u8 request = data->w_request;
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struct usb_device *udev = data->udev;
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int ret;
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index = (u16)reg;
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value = val & 0x0000ffff;
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ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), request,
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DEVICE_VENDOR_REQUEST_OUT, value, index,
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NULL, 0, CONTROL_TIMEOUT_JIFFIES);
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if (ret < 0) {
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BT_ERR("%s error(%d), reg=%x, value=%x\n",
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__func__, ret, reg, val);
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return ret;
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}
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index = (u16)(reg + 2);
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value = (val & 0xffff0000) >> 16;
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ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
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request, DEVICE_VENDOR_REQUEST_OUT,
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value, index, NULL, 0, CONTROL_TIMEOUT_JIFFIES);
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if (ret < 0) {
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BT_ERR("%s error(%d), reg=%x, value=%x\n",
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__func__, ret, reg, val);
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return ret;
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}
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if (ret > 0)
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ret = 0;
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return ret;
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}
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static int btmtk_usb_switch_iobase(struct btmtk_usb_data *data, int base)
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{
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int ret = 0;
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switch (base) {
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case SYSCTL:
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data->w_request = 0x42;
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data->r_request = 0x47;
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break;
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case WLAN:
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data->w_request = 0x02;
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data->r_request = 0x07;
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break;
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default:
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return -EINVAL;
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}
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return ret;
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}
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static void btmtk_usb_cap_init(struct btmtk_usb_data *data)
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{
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const struct firmware *firmware;
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struct usb_device *udev = data->udev;
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int ret;
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btmtk_usb_io_read32(data, 0x00, &data->chip_id);
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BT_DBG("chip id = %x\n", data->chip_id);
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if (is_mt7630(data) || is_mt7650(data)) {
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data->need_load_fw = 1;
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data->need_load_rom_patch = 0;
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ret = request_firmware(&firmware, MT7650_FIRMWARE, &udev->dev);
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if (ret < 0) {
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if (ret == -ENOENT) {
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BT_ERR("Firmware file \"%s\" not found\n",
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MT7650_FIRMWARE);
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} else {
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BT_ERR("Firmware file \"%s\" request failed (err=%d)\n",
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MT7650_FIRMWARE, ret);
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}
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} else {
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BT_DBG("Firmware file \"%s\" Found\n",
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MT7650_FIRMWARE);
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/* load firmware here */
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data->firmware = firmware;
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btmtk_usb_load_fw(data);
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}
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release_firmware(firmware);
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} else if (is_mt7632(data) || is_mt7662(data)) {
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data->need_load_fw = 0;
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data->need_load_rom_patch = 1;
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data->rom_patch_offset = 0x90000;
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ret = request_firmware(&firmware, MT7662_FIRMWARE, &udev->dev);
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if (ret < 0) {
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if (ret == -ENOENT) {
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BT_ERR("Firmware file \"%s\" not found\n",
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MT7662_FIRMWARE);
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} else {
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BT_ERR("Firmware file \"%s\" request failed (err=%d)\n",
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MT7662_FIRMWARE, ret);
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}
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} else {
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BT_DBG("Firmware file \"%s\" Found\n", MT7662_FIRMWARE);
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/* load rom patch here */
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data->firmware = firmware;
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data->rom_patch_len = firmware->size;
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btmtk_usb_load_rom_patch(data);
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}
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release_firmware(firmware);
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} else {
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BT_ERR("unknow chip(%x)\n", data->chip_id);
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}
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}
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static u16 checksume16(u8 *pData, int len)
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{
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int sum = 0;
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while (len > 1) {
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sum += *((u16 *)pData);
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pData = pData + 2;
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if (sum & 0x80000000)
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sum = (sum & 0xFFFF) + (sum >> 16);
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len -= 2;
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}
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if (len)
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sum += *((u8 *)pData);
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while (sum >> 16)
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sum = (sum & 0xFFFF) + (sum >> 16);
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return ~sum;
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}
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static int btmtk_usb_chk_crc(struct btmtk_usb_data *data, u32 checksum_len)
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{
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int ret = 0;
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struct usb_device *udev = data->udev;
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BT_DBG("%s\n", __func__);
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memmove(data->io_buf, &data->rom_patch_offset, 4);
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memmove(&data->io_buf[4], &checksum_len, 4);
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ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x1,
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DEVICE_VENDOR_REQUEST_IN, 0x20, 0x00, data->io_buf,
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8, CONTROL_TIMEOUT_JIFFIES);
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if (ret < 0)
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BT_ERR("%s error(%d)\n", __func__, ret);
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return ret;
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}
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static u16 btmtk_usb_get_crc(struct btmtk_usb_data *data)
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{
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int ret = 0;
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struct usb_device *udev = data->udev;
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u16 crc, count = 0;
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__le16 crc_le;
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BT_DBG("%s\n", __func__);
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while (1) {
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ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
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0x01, DEVICE_VENDOR_REQUEST_IN,
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0x21, 0x00, data->io_buf, 2,
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CONTROL_TIMEOUT_JIFFIES);
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if (ret < 0) {
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crc = 0xFFFF;
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BT_ERR("%s error(%d)\n", __func__, ret);
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}
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memmove(&crc_le, data->io_buf, 2);
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crc = le16_to_cpu(crc_le);
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if (crc != 0xFFFF)
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break;
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mdelay(100);
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if (count++ > 100) {
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BT_ERR("Query CRC over %d times\n", count);
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break;
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}
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}
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return crc;
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}
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static int btmtk_usb_reset_wmt(struct btmtk_usb_data *data)
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{
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int ret = 0;
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/* reset command */
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u8 cmd[8] = {0x6F, 0xFC, 0x05, 0x01, 0x07, 0x01, 0x00, 0x04};
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memmove(data->io_buf, cmd, 8);
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BT_DBG("%s\n", __func__);
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ret = usb_control_msg(data->udev, usb_sndctrlpipe(data->udev, 0), 0x01,
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DEVICE_CLASS_REQUEST_OUT, 0x12, 0x00,
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data->io_buf, 8, CONTROL_TIMEOUT_JIFFIES);
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if (ret)
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BT_ERR("%s:(%d)\n", __func__, ret);
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return ret;
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}
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static void load_rom_patch_complete(struct urb *urb)
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{
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struct completion *sent_to_mcu_done = (struct completion *)urb->context;
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complete(sent_to_mcu_done);
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}
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static int btmtk_usb_load_rom_patch(struct btmtk_usb_data *data)
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{
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u32 loop = 0;
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u32 value;
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s32 sent_len;
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int ret = 0, total_checksum = 0;
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struct urb *urb;
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u32 patch_len = 0;
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u32 cur_len = 0;
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dma_addr_t data_dma;
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struct completion sent_to_mcu_done;
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int first_block = 1;
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unsigned char phase;
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void *buf;
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char *pos;
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unsigned int pipe;
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pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
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if (!data->firmware) {
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BT_ERR("%s:please assign a rom patch\n", __func__);
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return -1;
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}
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load_patch_protect:
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btmtk_usb_switch_iobase(data, WLAN);
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btmtk_usb_io_read32(data, SEMAPHORE_03, &value);
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loop++;
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if (((value & 0x01) == 0x00) && (loop < 600)) {
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mdelay(1);
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goto load_patch_protect;
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}
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btmtk_usb_io_write32(data, 0x1004, 0x2c);
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btmtk_usb_switch_iobase(data, SYSCTL);
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btmtk_usb_io_write32(data, 0x1c, 0x30);
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/* Enable USB_DMA_CFG */
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btmtk_usb_io_write32(data, 0x9018, 0x00c00020);
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btmtk_usb_switch_iobase(data, WLAN);
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/* check ROM patch if upgrade */
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btmtk_usb_io_read32(data, COM_REG0, &value);
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if ((value & 0x02) == 0x02)
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goto error0;
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urb = usb_alloc_urb(0, GFP_ATOMIC);
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if (!urb) {
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ret = -ENOMEM;
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goto error0;
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}
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buf = usb_alloc_coherent(data->udev, UPLOAD_PATCH_UNIT,
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GFP_ATOMIC, &data_dma);
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if (!buf) {
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ret = -ENOMEM;
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goto error1;
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}
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pos = buf;
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BT_DBG("loading rom patch");
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init_completion(&sent_to_mcu_done);
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cur_len = 0x00;
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patch_len = data->rom_patch_len - PATCH_INFO_SIZE;
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/* loading rom patch */
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while (1) {
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s32 sent_len_max = UPLOAD_PATCH_UNIT - PATCH_HEADER_SIZE;
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sent_len = min_t(s32, (patch_len - cur_len), sent_len_max);
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BT_DBG("patch_len = %d\n", patch_len);
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BT_DBG("cur_len = %d\n", cur_len);
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BT_DBG("sent_len = %d\n", sent_len);
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if (sent_len <= 0)
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break;
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if (first_block == 1) {
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if (sent_len < sent_len_max)
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phase = PATCH_PHASE3;
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else
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phase = PATCH_PHASE1;
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first_block = 0;
|
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} else if (sent_len == sent_len_max) {
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phase = PATCH_PHASE2;
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} else {
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phase = PATCH_PHASE3;
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}
|
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|
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/* prepare HCI header */
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pos[0] = 0x6F;
|
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pos[1] = 0xFC;
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pos[2] = (sent_len + 5) & 0xFF;
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pos[3] = ((sent_len + 5) >> 8) & 0xFF;
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|
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/* prepare WMT header */
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pos[4] = 0x01;
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pos[5] = 0x01;
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pos[6] = (sent_len + 1) & 0xFF;
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pos[7] = ((sent_len + 1) >> 8) & 0xFF;
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|
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pos[8] = phase;
|
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|
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memcpy(&pos[9],
|
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data->firmware->data + PATCH_INFO_SIZE + cur_len,
|
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sent_len);
|
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|
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BT_DBG("sent_len + PATCH_HEADER_SIZE = %d, phase = %d\n",
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sent_len + PATCH_HEADER_SIZE, phase);
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|
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usb_fill_bulk_urb(urb,
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data->udev,
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pipe,
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buf,
|
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sent_len + PATCH_HEADER_SIZE,
|
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load_rom_patch_complete,
|
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&sent_to_mcu_done);
|
|
|
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urb->transfer_dma = data_dma;
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urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
|
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|
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ret = usb_submit_urb(urb, GFP_ATOMIC);
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|
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if (ret)
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goto error2;
|
|
|
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if (!wait_for_completion_timeout(&sent_to_mcu_done,
|
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msecs_to_jiffies(1000))) {
|
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usb_kill_urb(urb);
|
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BT_ERR("upload rom_patch timeout\n");
|
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goto error2;
|
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}
|
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|
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BT_DBG(".");
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|
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mdelay(200);
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|
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cur_len += sent_len;
|
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|
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}
|
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|
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total_checksum = checksume16(
|
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(u8 *)data->firmware->data + PATCH_INFO_SIZE,
|
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patch_len);
|
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|
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BT_DBG("Send checksum req..\n");
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|
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btmtk_usb_chk_crc(data, patch_len);
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|
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mdelay(20);
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|
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if (total_checksum != btmtk_usb_get_crc(data)) {
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BT_ERR("checksum fail!, local(0x%x) <> fw(0x%x)\n",
|
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total_checksum, btmtk_usb_get_crc(data));
|
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ret = -1;
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goto error2;
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}
|
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|
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mdelay(20);
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|
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ret = btmtk_usb_reset_wmt(data);
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|
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mdelay(20);
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|
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error2:
|
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usb_free_coherent(data->udev, UPLOAD_PATCH_UNIT, buf, data_dma);
|
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error1:
|
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usb_free_urb(urb);
|
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error0:
|
|
btmtk_usb_io_write32(data, SEMAPHORE_03, 0x1);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int load_fw_iv(struct btmtk_usb_data *data)
|
|
{
|
|
int ret;
|
|
struct usb_device *udev = data->udev;
|
|
char *buf = kmalloc(64, GFP_ATOMIC);
|
|
|
|
memmove(buf, data->firmware->data + 32, 64);
|
|
|
|
ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x01,
|
|
DEVICE_VENDOR_REQUEST_OUT, 0x12, 0x0, buf, 64,
|
|
CONTROL_TIMEOUT_JIFFIES);
|
|
|
|
if (ret < 0) {
|
|
BT_ERR("%s error(%d) step4\n", __func__, ret);
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
if (ret > 0)
|
|
ret = 0;
|
|
|
|
kfree(buf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void load_fw_complete(struct urb *urb)
|
|
{
|
|
|
|
struct completion *sent_to_mcu_done = (struct completion *)urb->context;
|
|
|
|
complete(sent_to_mcu_done);
|
|
}
|
|
|
|
static int btmtk_usb_load_fw(struct btmtk_usb_data *data)
|
|
{
|
|
struct usb_device *udev = data->udev;
|
|
struct urb *urb;
|
|
void *buf;
|
|
u32 cur_len = 0;
|
|
u32 packet_header = 0;
|
|
__le32 packet_header_le;
|
|
u32 value;
|
|
u32 ilm_len = 0, dlm_len = 0;
|
|
u16 fw_ver, build_ver;
|
|
u32 loop = 0;
|
|
dma_addr_t data_dma;
|
|
int ret = 0, sent_len;
|
|
struct completion sent_to_mcu_done;
|
|
unsigned int pipe;
|
|
pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
|
|
|
|
if (!data->firmware) {
|
|
BT_ERR("%s:please assign a fw\n", __func__);
|
|
return -1;
|
|
}
|
|
|
|
BT_DBG("bulk_tx_ep = %x\n", data->bulk_tx_ep->bEndpointAddress);
|
|
|
|
loadfw_protect:
|
|
btmtk_usb_switch_iobase(data, WLAN);
|
|
btmtk_usb_io_read32(data, SEMAPHORE_00, &value);
|
|
loop++;
|
|
|
|
if (((value & 0x1) == 0) && (loop < 10000))
|
|
goto loadfw_protect;
|
|
|
|
/* check MCU if ready */
|
|
btmtk_usb_io_read32(data, COM_REG0, &value);
|
|
|
|
if ((value & 0x01) == 0x01)
|
|
goto error0;
|
|
|
|
/* Enable MPDMA TX and EP2 load FW mode */
|
|
btmtk_usb_io_write32(data, 0x238, 0x1c000000);
|
|
|
|
btmtk_usb_reset(udev);
|
|
mdelay(100);
|
|
|
|
ilm_len = (*(data->firmware->data + 3) << 24)
|
|
| (*(data->firmware->data + 2) << 16)
|
|
| (*(data->firmware->data + 1) << 8)
|
|
| (*data->firmware->data);
|
|
|
|
dlm_len = (*(data->firmware->data + 7) << 24)
|
|
| (*(data->firmware->data + 6) << 16)
|
|
| (*(data->firmware->data + 5) << 8)
|
|
| (*(data->firmware->data + 4));
|
|
|
|
fw_ver = (*(data->firmware->data + 11) << 8) |
|
|
(*(data->firmware->data + 10));
|
|
|
|
build_ver = (*(data->firmware->data + 9) << 8) |
|
|
(*(data->firmware->data + 8));
|
|
|
|
BT_DBG("fw version:%d.%d.%02d ",
|
|
(fw_ver & 0xf000) >> 8,
|
|
(fw_ver & 0x0f00) >> 8,
|
|
(fw_ver & 0x00ff));
|
|
|
|
BT_DBG("build:%x\n", build_ver);
|
|
|
|
BT_DBG("build Time =");
|
|
|
|
for (loop = 0; loop < 16; loop++)
|
|
BT_DBG("%c", *(data->firmware->data + 16 + loop));
|
|
|
|
BT_DBG("\n");
|
|
|
|
BT_DBG("ILM length = %d(bytes)\n", ilm_len);
|
|
BT_DBG("DLM length = %d(bytes)\n", dlm_len);
|
|
|
|
btmtk_usb_switch_iobase(data, SYSCTL);
|
|
|
|
/* U2M_PDMA rx_ring_base_ptr */
|
|
btmtk_usb_io_write32(data, 0x790, 0x400230);
|
|
|
|
/* U2M_PDMA rx_ring_max_cnt */
|
|
btmtk_usb_io_write32(data, 0x794, 0x1);
|
|
|
|
/* U2M_PDMA cpu_idx */
|
|
btmtk_usb_io_write32(data, 0x798, 0x1);
|
|
|
|
/* U2M_PDMA enable */
|
|
btmtk_usb_io_write32(data, 0x704, 0x44);
|
|
|
|
urb = usb_alloc_urb(0, GFP_ATOMIC);
|
|
|
|
if (!urb) {
|
|
ret = -ENOMEM;
|
|
goto error1;
|
|
}
|
|
|
|
buf = usb_alloc_coherent(udev, 14592, GFP_ATOMIC, &data_dma);
|
|
|
|
if (!buf) {
|
|
ret = -ENOMEM;
|
|
goto error2;
|
|
}
|
|
|
|
BT_DBG("loading fw");
|
|
|
|
init_completion(&sent_to_mcu_done);
|
|
|
|
btmtk_usb_switch_iobase(data, SYSCTL);
|
|
|
|
cur_len = 0x40;
|
|
|
|
/* Loading ILM */
|
|
while (1) {
|
|
sent_len = min_t(s32, (ilm_len - cur_len), 14336);
|
|
|
|
if (sent_len > 0) {
|
|
packet_header &= ~(0xffffffff);
|
|
packet_header |= (sent_len << 16);
|
|
packet_header_le = cpu_to_le32(packet_header);
|
|
|
|
memmove(buf, &packet_header_le, 4);
|
|
memmove(buf + 4, data->firmware->data + 32 + cur_len,
|
|
sent_len);
|
|
|
|
/* U2M_PDMA descriptor */
|
|
btmtk_usb_io_write32(data, 0x230, cur_len);
|
|
|
|
while ((sent_len % 4) != 0)
|
|
sent_len++;
|
|
|
|
/* U2M_PDMA length */
|
|
btmtk_usb_io_write32(data, 0x234, sent_len << 16);
|
|
|
|
usb_fill_bulk_urb(urb,
|
|
udev,
|
|
pipe,
|
|
buf,
|
|
sent_len + 4,
|
|
load_fw_complete,
|
|
&sent_to_mcu_done);
|
|
|
|
urb->transfer_dma = data_dma;
|
|
urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
|
|
|
|
ret = usb_submit_urb(urb, GFP_ATOMIC);
|
|
|
|
if (ret)
|
|
goto error3;
|
|
|
|
if (!wait_for_completion_timeout(&sent_to_mcu_done,
|
|
msecs_to_jiffies(1000))) {
|
|
usb_kill_urb(urb);
|
|
BT_ERR("upload ilm fw timeout\n");
|
|
goto error3;
|
|
}
|
|
|
|
BT_DBG(".");
|
|
|
|
mdelay(200);
|
|
|
|
cur_len += sent_len;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
init_completion(&sent_to_mcu_done);
|
|
cur_len = 0x00;
|
|
|
|
/* Loading DLM */
|
|
while (1) {
|
|
sent_len = min_t(s32, (dlm_len - cur_len), 14336);
|
|
|
|
if (sent_len <= 0)
|
|
break;
|
|
|
|
packet_header &= ~(0xffffffff);
|
|
packet_header |= (sent_len << 16);
|
|
packet_header_le = cpu_to_le32(packet_header);
|
|
|
|
memmove(buf, &packet_header_le, 4);
|
|
memmove(buf + 4,
|
|
data->firmware->data + 32 + ilm_len + cur_len,
|
|
sent_len);
|
|
|
|
/* U2M_PDMA descriptor */
|
|
btmtk_usb_io_write32(data, 0x230, 0x80000 + cur_len);
|
|
|
|
while ((sent_len % 4) != 0) {
|
|
BT_DBG("sent_len is not divided by 4\n");
|
|
sent_len++;
|
|
}
|
|
|
|
/* U2M_PDMA length */
|
|
btmtk_usb_io_write32(data, 0x234, sent_len << 16);
|
|
|
|
usb_fill_bulk_urb(urb,
|
|
udev,
|
|
pipe,
|
|
buf,
|
|
sent_len + 4,
|
|
load_fw_complete,
|
|
&sent_to_mcu_done);
|
|
|
|
urb->transfer_dma = data_dma;
|
|
urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
|
|
|
|
ret = usb_submit_urb(urb, GFP_ATOMIC);
|
|
|
|
if (ret)
|
|
goto error3;
|
|
|
|
if (!wait_for_completion_timeout(&sent_to_mcu_done,
|
|
msecs_to_jiffies(1000))) {
|
|
usb_kill_urb(urb);
|
|
BT_ERR("upload dlm fw timeout\n");
|
|
goto error3;
|
|
}
|
|
|
|
BT_DBG(".");
|
|
|
|
mdelay(500);
|
|
|
|
cur_len += sent_len;
|
|
|
|
}
|
|
|
|
/* upload 64bytes interrupt vector */
|
|
ret = load_fw_iv(data);
|
|
mdelay(100);
|
|
|
|
btmtk_usb_switch_iobase(data, WLAN);
|
|
|
|
/* check MCU if ready */
|
|
loop = 0;
|
|
|
|
do {
|
|
btmtk_usb_io_read32(data, COM_REG0, &value);
|
|
|
|
if (value == 0x01)
|
|
break;
|
|
|
|
mdelay(10);
|
|
loop++;
|
|
} while (loop <= 100);
|
|
|
|
if (loop > 1000) {
|
|
BT_ERR("wait for 100 times\n");
|
|
ret = -ENODEV;
|
|
}
|
|
|
|
error3:
|
|
usb_free_coherent(udev, 14592, buf, data_dma);
|
|
error2:
|
|
usb_free_urb(urb);
|
|
error1:
|
|
/* Disbale load fw mode */
|
|
btmtk_usb_io_read32(data, 0x238, &value);
|
|
value = value & ~(0x10000000);
|
|
btmtk_usb_io_write32(data, 0x238, value);
|
|
error0:
|
|
btmtk_usb_io_write32(data, SEMAPHORE_00, 0x1);
|
|
return ret;
|
|
}
|
|
|
|
static int inc_tx(struct btmtk_usb_data *data)
|
|
{
|
|
unsigned long flags;
|
|
int rv;
|
|
|
|
spin_lock_irqsave(&data->txlock, flags);
|
|
rv = test_bit(BTUSB_SUSPENDING, &data->flags);
|
|
if (!rv)
|
|
data->tx_in_flight++;
|
|
spin_unlock_irqrestore(&data->txlock, flags);
|
|
|
|
return rv;
|
|
}
|
|
|
|
static void btmtk_usb_intr_complete(struct urb *urb)
|
|
{
|
|
struct hci_dev *hdev = urb->context;
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
int err;
|
|
|
|
BT_DBG("%s: %s urb %p status %d count %d\n", __func__, hdev->name,
|
|
urb, urb->status, urb->actual_length);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
return;
|
|
|
|
if (urb->status == 0) {
|
|
hdev->stat.byte_rx += urb->actual_length;
|
|
|
|
hex_dump("hci event", urb->transfer_buffer, urb->actual_length);
|
|
|
|
if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
|
|
urb->transfer_buffer,
|
|
urb->actual_length) < 0) {
|
|
BT_ERR("%s corrupted event packet", hdev->name);
|
|
hdev->stat.err_rx++;
|
|
}
|
|
}
|
|
|
|
if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
|
|
return;
|
|
|
|
usb_mark_last_busy(data->udev);
|
|
usb_anchor_urb(urb, &data->intr_anchor);
|
|
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
|
|
if (err < 0) {
|
|
/* -EPERM: urb is being killed;
|
|
* -ENODEV: device got disconnected */
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p failed to resubmit (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
}
|
|
|
|
static int btmtk_usb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
|
|
{
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
struct urb *urb;
|
|
unsigned char *buf;
|
|
unsigned int pipe;
|
|
int err, size;
|
|
|
|
BT_DBG("%s\n", __func__);
|
|
|
|
if (!data->intr_ep)
|
|
return -ENODEV;
|
|
|
|
urb = usb_alloc_urb(0, mem_flags);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
|
|
|
|
buf = kmalloc(size, mem_flags);
|
|
if (!buf) {
|
|
usb_free_urb(urb);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
|
|
|
|
usb_fill_int_urb(urb, data->udev, pipe, buf, size,
|
|
btmtk_usb_intr_complete, hdev,
|
|
data->intr_ep->bInterval);
|
|
|
|
urb->transfer_flags |= URB_FREE_BUFFER;
|
|
|
|
usb_anchor_urb(urb, &data->intr_anchor);
|
|
|
|
err = usb_submit_urb(urb, mem_flags);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
|
|
usb_free_urb(urb);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
static void btmtk_usb_bulk_in_complete(struct urb *urb)
|
|
{
|
|
struct hci_dev *hdev = urb->context;
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
int err;
|
|
|
|
BT_DBG("%s:%s urb %p status %d count %d", __func__, hdev->name,
|
|
urb, urb->status, urb->actual_length);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
return;
|
|
|
|
if (urb->status == 0) {
|
|
hdev->stat.byte_rx += urb->actual_length;
|
|
|
|
if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
|
|
urb->transfer_buffer,
|
|
urb->actual_length) < 0) {
|
|
BT_ERR("%s corrupted ACL packet", hdev->name);
|
|
hdev->stat.err_rx++;
|
|
}
|
|
}
|
|
|
|
if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
|
|
return;
|
|
|
|
usb_anchor_urb(urb, &data->bulk_anchor);
|
|
usb_mark_last_busy(data->udev);
|
|
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (err < 0) {
|
|
/* -EPERM: urb is being killed;
|
|
* -ENODEV: device got disconnected */
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p failed to resubmit (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
}
|
|
|
|
static int btmtk_usb_submit_bulk_in_urb(struct hci_dev *hdev, gfp_t mem_flags)
|
|
{
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
struct urb *urb;
|
|
unsigned char *buf;
|
|
unsigned int pipe;
|
|
int err, size = HCI_MAX_FRAME_SIZE;
|
|
|
|
BT_DBG("%s:%s\n", __func__, hdev->name);
|
|
|
|
if (!data->bulk_rx_ep)
|
|
return -ENODEV;
|
|
|
|
urb = usb_alloc_urb(0, mem_flags);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
buf = kmalloc(size, mem_flags);
|
|
if (!buf) {
|
|
usb_free_urb(urb);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
|
|
|
|
usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
|
|
btmtk_usb_bulk_in_complete, hdev);
|
|
|
|
urb->transfer_flags |= URB_FREE_BUFFER;
|
|
|
|
usb_mark_last_busy(data->udev);
|
|
usb_anchor_urb(urb, &data->bulk_anchor);
|
|
|
|
err = usb_submit_urb(urb, mem_flags);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
|
|
usb_free_urb(urb);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void btmtk_usb_isoc_in_complete(struct urb *urb)
|
|
|
|
{
|
|
struct hci_dev *hdev = urb->context;
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
int i, err;
|
|
|
|
BT_DBG("%s: %s urb %p status %d count %d", __func__, hdev->name,
|
|
urb, urb->status, urb->actual_length);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
return;
|
|
|
|
if (urb->status == 0) {
|
|
for (i = 0; i < urb->number_of_packets; i++) {
|
|
unsigned int offset = urb->iso_frame_desc[i].offset;
|
|
unsigned int length;
|
|
length = urb->iso_frame_desc[i].actual_length;
|
|
|
|
if (urb->iso_frame_desc[i].status)
|
|
continue;
|
|
|
|
hdev->stat.byte_rx += length;
|
|
|
|
if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
|
|
urb->transfer_buffer + offset,
|
|
length) < 0) {
|
|
BT_ERR("%s corrupted SCO packet", hdev->name);
|
|
hdev->stat.err_rx++;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
|
|
return;
|
|
|
|
usb_anchor_urb(urb, &data->isoc_anchor);
|
|
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (err < 0) {
|
|
/* -EPERM: urb is being killed;
|
|
* -ENODEV: device got disconnected */
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p failed to resubmit (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
}
|
|
|
|
static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
|
|
{
|
|
int i, offset = 0;
|
|
|
|
BT_DBG("len %d mtu %d", len, mtu);
|
|
|
|
for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
|
|
i++, offset += mtu, len -= mtu) {
|
|
urb->iso_frame_desc[i].offset = offset;
|
|
urb->iso_frame_desc[i].length = mtu;
|
|
}
|
|
|
|
if (len && i < BTUSB_MAX_ISOC_FRAMES) {
|
|
urb->iso_frame_desc[i].offset = offset;
|
|
urb->iso_frame_desc[i].length = len;
|
|
i++;
|
|
}
|
|
|
|
urb->number_of_packets = i;
|
|
}
|
|
|
|
static int btmtk_usb_submit_isoc_in_urb(struct hci_dev *hdev, gfp_t mem_flags)
|
|
{
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
struct urb *urb;
|
|
unsigned char *buf;
|
|
unsigned int pipe;
|
|
int err, size;
|
|
|
|
BT_DBG("%s\n", __func__);
|
|
|
|
if (!data->isoc_rx_ep)
|
|
return -ENODEV;
|
|
|
|
urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
|
|
BTUSB_MAX_ISOC_FRAMES;
|
|
|
|
buf = kmalloc(size, mem_flags);
|
|
if (!buf) {
|
|
usb_free_urb(urb);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
|
|
|
|
usb_fill_int_urb(urb, data->udev, pipe, buf, size,
|
|
btmtk_usb_isoc_in_complete, hdev,
|
|
data->isoc_rx_ep->bInterval);
|
|
|
|
urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
|
|
|
|
__fill_isoc_descriptor(urb, size,
|
|
le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
|
|
|
|
usb_anchor_urb(urb, &data->isoc_anchor);
|
|
|
|
err = usb_submit_urb(urb, mem_flags);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
|
|
usb_free_urb(urb);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int btmtk_usb_open(struct hci_dev *hdev)
|
|
{
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
int err;
|
|
|
|
BT_DBG("%s\n", __func__);
|
|
|
|
err = usb_autopm_get_interface(data->intf);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data->intf->needs_remote_wakeup = 1;
|
|
|
|
if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
|
|
goto done;
|
|
|
|
if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
|
|
goto done;
|
|
|
|
err = btmtk_usb_submit_intr_urb(hdev, GFP_KERNEL);
|
|
if (err < 0)
|
|
goto failed;
|
|
|
|
err = btmtk_usb_submit_bulk_in_urb(hdev, GFP_KERNEL);
|
|
if (err < 0) {
|
|
usb_kill_anchored_urbs(&data->intr_anchor);
|
|
goto failed;
|
|
}
|
|
|
|
set_bit(BTUSB_BULK_RUNNING, &data->flags);
|
|
btmtk_usb_submit_bulk_in_urb(hdev, GFP_KERNEL);
|
|
|
|
done:
|
|
usb_autopm_put_interface(data->intf);
|
|
return 0;
|
|
|
|
failed:
|
|
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
|
|
clear_bit(HCI_RUNNING, &hdev->flags);
|
|
usb_autopm_put_interface(data->intf);
|
|
return err;
|
|
}
|
|
|
|
static void btmtk_usb_stop_traffic(struct btmtk_usb_data *data)
|
|
{
|
|
BT_DBG("%s\n", __func__);
|
|
|
|
usb_kill_anchored_urbs(&data->intr_anchor);
|
|
usb_kill_anchored_urbs(&data->bulk_anchor);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
}
|
|
|
|
static int btmtk_usb_close(struct hci_dev *hdev)
|
|
{
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
int err;
|
|
|
|
BT_DBG("%s\n", __func__);
|
|
|
|
if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
|
|
return 0;
|
|
|
|
cancel_work_sync(&data->work);
|
|
cancel_work_sync(&data->waker);
|
|
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
|
|
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
|
|
|
|
btmtk_usb_stop_traffic(data);
|
|
|
|
err = usb_autopm_get_interface(data->intf);
|
|
if (err < 0)
|
|
goto failed;
|
|
|
|
data->intf->needs_remote_wakeup = 0;
|
|
usb_autopm_put_interface(data->intf);
|
|
|
|
failed:
|
|
usb_scuttle_anchored_urbs(&data->deferred);
|
|
return 0;
|
|
}
|
|
|
|
static int btmtk_usb_flush(struct hci_dev *hdev)
|
|
{
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
|
|
BT_DBG("%s\n", __func__);
|
|
|
|
usb_kill_anchored_urbs(&data->tx_anchor);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void btmtk_usb_tx_complete(struct urb *urb)
|
|
{
|
|
struct sk_buff *skb = urb->context;
|
|
struct hci_dev *hdev = (struct hci_dev *)skb->dev;
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
|
|
BT_DBG("%s: %s urb %p status %d count %d\n", __func__, hdev->name,
|
|
urb, urb->status, urb->actual_length);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
goto done;
|
|
|
|
if (!urb->status)
|
|
hdev->stat.byte_tx += urb->transfer_buffer_length;
|
|
else
|
|
hdev->stat.err_tx++;
|
|
|
|
done:
|
|
spin_lock(&data->txlock);
|
|
data->tx_in_flight--;
|
|
spin_unlock(&data->txlock);
|
|
|
|
kfree(urb->setup_packet);
|
|
|
|
kfree_skb(skb);
|
|
}
|
|
|
|
static void btmtk_usb_isoc_tx_complete(struct urb *urb)
|
|
{
|
|
struct sk_buff *skb = urb->context;
|
|
struct hci_dev *hdev = (struct hci_dev *) skb->dev;
|
|
|
|
BT_DBG("%s: %s urb %p status %d count %d", __func__, hdev->name,
|
|
urb, urb->status, urb->actual_length);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
goto done;
|
|
|
|
if (!urb->status)
|
|
hdev->stat.byte_tx += urb->transfer_buffer_length;
|
|
else
|
|
hdev->stat.err_tx++;
|
|
|
|
done:
|
|
kfree(urb->setup_packet);
|
|
|
|
kfree_skb(skb);
|
|
}
|
|
|
|
static int btmtk_usb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
struct usb_ctrlrequest *dr;
|
|
struct urb *urb;
|
|
unsigned int pipe;
|
|
int err;
|
|
|
|
BT_DBG("%s\n", __func__);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
return -EBUSY;
|
|
|
|
switch (bt_cb(skb)->pkt_type) {
|
|
case HCI_COMMAND_PKT:
|
|
urb = usb_alloc_urb(0, GFP_ATOMIC);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
|
|
if (!dr) {
|
|
usb_free_urb(urb);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
dr->bRequestType = data->cmdreq_type;
|
|
dr->bRequest = 0;
|
|
dr->wIndex = 0;
|
|
dr->wValue = 0;
|
|
dr->wLength = __cpu_to_le16(skb->len);
|
|
|
|
pipe = usb_sndctrlpipe(data->udev, 0x00);
|
|
|
|
if (test_bit(HCI_RUNNING, &hdev->flags)) {
|
|
u16 op_code;
|
|
memcpy(&op_code, skb->data, 2);
|
|
BT_DBG("ogf = %x\n", (op_code & 0xfc00) >> 10);
|
|
BT_DBG("ocf = %x\n", op_code & 0x03ff);
|
|
hex_dump("hci command", skb->data, skb->len);
|
|
|
|
}
|
|
|
|
usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
|
|
skb->data, skb->len,
|
|
btmtk_usb_tx_complete, skb);
|
|
|
|
hdev->stat.cmd_tx++;
|
|
break;
|
|
|
|
case HCI_ACLDATA_PKT:
|
|
if (!data->bulk_tx_ep)
|
|
return -ENODEV;
|
|
|
|
urb = usb_alloc_urb(0, GFP_ATOMIC);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
pipe = usb_sndbulkpipe(data->udev,
|
|
data->bulk_tx_ep->bEndpointAddress);
|
|
|
|
usb_fill_bulk_urb(urb, data->udev, pipe, skb->data,
|
|
skb->len, btmtk_usb_tx_complete, skb);
|
|
|
|
hdev->stat.acl_tx++;
|
|
BT_DBG("HCI_ACLDATA_PKT:\n");
|
|
break;
|
|
|
|
case HCI_SCODATA_PKT:
|
|
if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
|
|
return -ENODEV;
|
|
|
|
urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
pipe = usb_sndisocpipe(data->udev,
|
|
data->isoc_tx_ep->bEndpointAddress);
|
|
|
|
usb_fill_int_urb(urb, data->udev, pipe,
|
|
skb->data, skb->len, btmtk_usb_isoc_tx_complete,
|
|
skb, data->isoc_tx_ep->bInterval);
|
|
|
|
urb->transfer_flags = URB_ISO_ASAP;
|
|
|
|
__fill_isoc_descriptor(urb, skb->len,
|
|
le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
|
|
|
|
hdev->stat.sco_tx++;
|
|
BT_DBG("HCI_SCODATA_PKT:\n");
|
|
goto skip_waking;
|
|
|
|
default:
|
|
return -EILSEQ;
|
|
}
|
|
|
|
err = inc_tx(data);
|
|
|
|
if (err) {
|
|
usb_anchor_urb(urb, &data->deferred);
|
|
schedule_work(&data->waker);
|
|
err = 0;
|
|
goto done;
|
|
}
|
|
|
|
skip_waking:
|
|
usb_anchor_urb(urb, &data->tx_anchor);
|
|
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, urb, -err);
|
|
kfree(urb->setup_packet);
|
|
usb_unanchor_urb(urb);
|
|
} else {
|
|
usb_mark_last_busy(data->udev);
|
|
}
|
|
|
|
done:
|
|
usb_free_urb(urb);
|
|
return err;
|
|
}
|
|
|
|
static void btmtk_usb_notify(struct hci_dev *hdev, unsigned int evt)
|
|
{
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
|
|
BT_DBG("%s evt %d", hdev->name, evt);
|
|
|
|
if (hdev->conn_hash.sco_num != data->sco_num) {
|
|
data->sco_num = hdev->conn_hash.sco_num;
|
|
schedule_work(&data->work);
|
|
}
|
|
}
|
|
|
|
static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
|
|
{
|
|
struct btmtk_usb_data *data = hci_get_drvdata(hdev);
|
|
struct usb_interface *intf = data->isoc;
|
|
struct usb_endpoint_descriptor *ep_desc;
|
|
int i, err;
|
|
|
|
if (!data->isoc)
|
|
return -ENODEV;
|
|
|
|
err = usb_set_interface(data->udev, 1, altsetting);
|
|
if (err < 0) {
|
|
BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
|
|
return err;
|
|
}
|
|
|
|
data->isoc_altsetting = altsetting;
|
|
|
|
data->isoc_tx_ep = NULL;
|
|
data->isoc_rx_ep = NULL;
|
|
|
|
for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
|
|
ep_desc = &intf->cur_altsetting->endpoint[i].desc;
|
|
|
|
if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
|
|
data->isoc_tx_ep = ep_desc;
|
|
continue;
|
|
}
|
|
|
|
if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
|
|
data->isoc_rx_ep = ep_desc;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
|
|
BT_ERR("%s invalid SCO descriptors", hdev->name);
|
|
return -ENODEV;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void btmtk_usb_work(struct work_struct *work)
|
|
{
|
|
struct btmtk_usb_data *data = container_of(work, struct btmtk_usb_data,
|
|
work);
|
|
struct hci_dev *hdev = data->hdev;
|
|
int new_alts;
|
|
int err;
|
|
|
|
BT_DBG("%s\n", __func__);
|
|
|
|
if (hdev->conn_hash.sco_num > 0) {
|
|
if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
|
|
err = usb_autopm_get_interface(data->isoc ?
|
|
data->isoc : data->intf);
|
|
if (err < 0) {
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
return;
|
|
}
|
|
|
|
set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
|
|
}
|
|
|
|
if (hdev->voice_setting & 0x0020) {
|
|
static const int alts[3] = { 2, 4, 5 };
|
|
new_alts = alts[hdev->conn_hash.sco_num - 1];
|
|
} else {
|
|
new_alts = hdev->conn_hash.sco_num;
|
|
}
|
|
|
|
if (data->isoc_altsetting != new_alts) {
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
|
|
if (__set_isoc_interface(hdev, new_alts) < 0)
|
|
return;
|
|
}
|
|
|
|
if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
|
|
if (btmtk_usb_submit_isoc_in_urb(hdev, GFP_KERNEL) < 0)
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
else
|
|
btmtk_usb_submit_isoc_in_urb(hdev, GFP_KERNEL);
|
|
}
|
|
} else {
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
|
|
__set_isoc_interface(hdev, 0);
|
|
|
|
if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
|
|
usb_autopm_put_interface(data->isoc ?
|
|
data->isoc : data->intf);
|
|
}
|
|
}
|
|
|
|
static void btmtk_usb_waker(struct work_struct *work)
|
|
{
|
|
struct btmtk_usb_data *data = container_of(work, struct btmtk_usb_data,
|
|
waker);
|
|
int err;
|
|
|
|
err = usb_autopm_get_interface(data->intf);
|
|
|
|
if (err < 0)
|
|
return;
|
|
|
|
usb_autopm_put_interface(data->intf);
|
|
}
|
|
|
|
static int btmtk_usb_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct btmtk_usb_data *data;
|
|
struct usb_endpoint_descriptor *ep_desc;
|
|
int i, err;
|
|
struct hci_dev *hdev;
|
|
|
|
/* interface numbers are hardcoded in the spec */
|
|
if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
|
|
return -ENODEV;
|
|
|
|
data = kzalloc(sizeof(*data), GFP_KERNEL);
|
|
|
|
if (!data)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
|
|
ep_desc = &intf->cur_altsetting->endpoint[i].desc;
|
|
|
|
if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
|
|
data->intr_ep = ep_desc;
|
|
continue;
|
|
}
|
|
|
|
if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
|
|
data->bulk_tx_ep = ep_desc;
|
|
continue;
|
|
}
|
|
|
|
if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
|
|
data->bulk_rx_ep = ep_desc;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
|
|
kfree(data);
|
|
return -ENODEV;
|
|
}
|
|
|
|
data->cmdreq_type = USB_TYPE_CLASS;
|
|
|
|
data->udev = interface_to_usbdev(intf);
|
|
data->intf = intf;
|
|
|
|
spin_lock_init(&data->lock);
|
|
INIT_WORK(&data->work, btmtk_usb_work);
|
|
INIT_WORK(&data->waker, btmtk_usb_waker);
|
|
spin_lock_init(&data->txlock);
|
|
|
|
init_usb_anchor(&data->tx_anchor);
|
|
init_usb_anchor(&data->intr_anchor);
|
|
init_usb_anchor(&data->bulk_anchor);
|
|
init_usb_anchor(&data->isoc_anchor);
|
|
init_usb_anchor(&data->deferred);
|
|
|
|
hdev = hci_alloc_dev();
|
|
if (!hdev) {
|
|
kfree(data);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
hdev->bus = HCI_USB;
|
|
|
|
hci_set_drvdata(hdev, data);
|
|
|
|
data->hdev = hdev;
|
|
|
|
SET_HCIDEV_DEV(hdev, &intf->dev);
|
|
|
|
hdev->open = btmtk_usb_open;
|
|
hdev->close = btmtk_usb_close;
|
|
hdev->flush = btmtk_usb_flush;
|
|
hdev->send = btmtk_usb_send_frame;
|
|
hdev->notify = btmtk_usb_notify;
|
|
|
|
/* Interface numbers are hardcoded in the specification */
|
|
data->isoc = usb_ifnum_to_if(data->udev, 1);
|
|
|
|
if (data->isoc) {
|
|
err = usb_driver_claim_interface(&btmtk_usb_driver,
|
|
data->isoc, data);
|
|
if (err < 0) {
|
|
hci_free_dev(hdev);
|
|
kfree(data);
|
|
return err;
|
|
}
|
|
}
|
|
|
|
data->io_buf = kmalloc(256, GFP_KERNEL);
|
|
if (!data->io_buf) {
|
|
hci_free_dev(hdev);
|
|
kfree(data);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
btmtk_usb_switch_iobase(data, WLAN);
|
|
|
|
btmtk_usb_cap_init(data);
|
|
|
|
err = hci_register_dev(hdev);
|
|
if (err < 0) {
|
|
hci_free_dev(hdev);
|
|
kfree(data);
|
|
return err;
|
|
}
|
|
|
|
usb_set_intfdata(intf, data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void btmtk_usb_disconnect(struct usb_interface *intf)
|
|
{
|
|
struct btmtk_usb_data *data = usb_get_intfdata(intf);
|
|
struct hci_dev *hdev;
|
|
|
|
BT_DBG("%s\n", __func__);
|
|
|
|
if (!data)
|
|
return;
|
|
|
|
hdev = data->hdev;
|
|
usb_set_intfdata(data->intf, NULL);
|
|
|
|
if (data->isoc)
|
|
usb_set_intfdata(data->isoc, NULL);
|
|
|
|
hci_unregister_dev(hdev);
|
|
|
|
if (intf == data->isoc)
|
|
usb_driver_release_interface(&btmtk_usb_driver, data->intf);
|
|
else if (data->isoc)
|
|
usb_driver_release_interface(&btmtk_usb_driver, data->isoc);
|
|
|
|
hci_free_dev(hdev);
|
|
|
|
kfree(data->io_buf);
|
|
|
|
kfree(data);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int btmtk_usb_suspend(struct usb_interface *intf, pm_message_t message)
|
|
{
|
|
struct btmtk_usb_data *data = usb_get_intfdata(intf);
|
|
|
|
BT_DBG("%s\n", __func__);
|
|
|
|
if (data->suspend_count++)
|
|
return 0;
|
|
|
|
spin_lock_irq(&data->txlock);
|
|
if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
|
|
set_bit(BTUSB_SUSPENDING, &data->flags);
|
|
spin_unlock_irq(&data->txlock);
|
|
} else {
|
|
spin_unlock_irq(&data->txlock);
|
|
data->suspend_count--;
|
|
return -EBUSY;
|
|
}
|
|
|
|
cancel_work_sync(&data->work);
|
|
|
|
btmtk_usb_stop_traffic(data);
|
|
usb_kill_anchored_urbs(&data->tx_anchor);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void play_deferred(struct btmtk_usb_data *data)
|
|
{
|
|
struct urb *urb;
|
|
int err;
|
|
|
|
while ((urb = usb_get_from_anchor(&data->deferred))) {
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (err < 0)
|
|
break;
|
|
|
|
data->tx_in_flight++;
|
|
}
|
|
|
|
usb_scuttle_anchored_urbs(&data->deferred);
|
|
}
|
|
|
|
static int btmtk_usb_resume(struct usb_interface *intf)
|
|
{
|
|
struct btmtk_usb_data *data = usb_get_intfdata(intf);
|
|
struct hci_dev *hdev = data->hdev;
|
|
int err = 0;
|
|
|
|
BT_DBG("%s\n", __func__);
|
|
|
|
if (--data->suspend_count)
|
|
return 0;
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
goto done;
|
|
|
|
if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
|
|
err = btmtk_usb_submit_intr_urb(hdev, GFP_NOIO);
|
|
if (err < 0) {
|
|
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
|
|
goto failed;
|
|
}
|
|
}
|
|
|
|
if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
|
|
err = btmtk_usb_submit_bulk_in_urb(hdev, GFP_NOIO);
|
|
if (err < 0) {
|
|
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
|
|
goto failed;
|
|
}
|
|
|
|
btmtk_usb_submit_bulk_in_urb(hdev, GFP_NOIO);
|
|
}
|
|
|
|
if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
|
|
if (btmtk_usb_submit_isoc_in_urb(hdev, GFP_NOIO) < 0)
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
else
|
|
btmtk_usb_submit_isoc_in_urb(hdev, GFP_NOIO);
|
|
}
|
|
|
|
spin_lock_irq(&data->txlock);
|
|
play_deferred(data);
|
|
clear_bit(BTUSB_SUSPENDING, &data->flags);
|
|
spin_unlock_irq(&data->txlock);
|
|
schedule_work(&data->work);
|
|
|
|
return 0;
|
|
|
|
failed:
|
|
usb_scuttle_anchored_urbs(&data->deferred);
|
|
done:
|
|
spin_lock_irq(&data->txlock);
|
|
clear_bit(BTUSB_SUSPENDING, &data->flags);
|
|
spin_unlock_irq(&data->txlock);
|
|
|
|
return err;
|
|
}
|
|
#endif
|
|
|
|
static struct usb_device_id btmtk_usb_table[] = {
|
|
/* Mediatek MT7650 */
|
|
{ USB_DEVICE(0x0e8d, 0x7650) },
|
|
{ USB_DEVICE(0x0e8d, 0x7630) },
|
|
{ USB_DEVICE(0x0e8d, 0x763e) },
|
|
/* Mediatek MT662 */
|
|
{ USB_DEVICE(0x0e8d, 0x7662) },
|
|
{ USB_DEVICE(0x0e8d, 0x7632) },
|
|
{ } /* Terminating entry */
|
|
};
|
|
|
|
static struct usb_driver btmtk_usb_driver = {
|
|
.name = "btmtk_usb",
|
|
.probe = btmtk_usb_probe,
|
|
.disconnect = btmtk_usb_disconnect,
|
|
#ifdef CONFIG_PM
|
|
.suspend = btmtk_usb_suspend,
|
|
.resume = btmtk_usb_resume,
|
|
#endif
|
|
.id_table = btmtk_usb_table,
|
|
.supports_autosuspend = 1,
|
|
.disable_hub_initiated_lpm = 1,
|
|
};
|
|
|
|
module_usb_driver(btmtk_usb_driver);
|
|
|
|
MODULE_DESCRIPTION("Mediatek Bluetooth USB driver ver " VERSION);
|
|
MODULE_VERSION(VERSION);
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_FIRMWARE(MT7650_FIRMWARE);
|
|
MODULE_FIRMWARE(MT7662_FIRMWARE);
|