diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/staging/Makefile | 1 | ||||
| -rw-r--r-- | drivers/staging/btmtk_usb/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/staging/btmtk_usb/Makefile | 1 | ||||
| -rw-r--r-- | drivers/staging/btmtk_usb/README | 14 | ||||
| -rw-r--r-- | drivers/staging/btmtk_usb/TODO | 10 | ||||
| -rw-r--r-- | drivers/staging/btmtk_usb/btmtk_usb.c | 1810 | ||||
| -rw-r--r-- | drivers/staging/btmtk_usb/btmtk_usb.h | 138 |
8 files changed, 0 insertions, 1987 deletions
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index facc025..d2beb07 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -144,8 +144,6 @@ source "drivers/staging/dwc2/Kconfig" source "drivers/staging/lustre/Kconfig" -source "drivers/staging/btmtk_usb/Kconfig" - source "drivers/staging/xillybus/Kconfig" source "drivers/staging/dgnc/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 094aba9..bf62386 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -63,7 +63,6 @@ obj-$(CONFIG_FIREWIRE_SERIAL) += fwserial/ obj-$(CONFIG_GOLDFISH) += goldfish/ obj-$(CONFIG_USB_DWC2) += dwc2/ obj-$(CONFIG_LUSTRE_FS) += lustre/ -obj-$(CONFIG_USB_BTMTK) += btmtk_usb/ obj-$(CONFIG_XILLYBUS) += xillybus/ obj-$(CONFIG_DGNC) += dgnc/ obj-$(CONFIG_DGAP) += dgap/ diff --git a/drivers/staging/btmtk_usb/Kconfig b/drivers/staging/btmtk_usb/Kconfig deleted file mode 100644 index a425ebd..0000000 --- a/drivers/staging/btmtk_usb/Kconfig +++ /dev/null @@ -1,11 +0,0 @@ -config USB_BTMTK - tristate "Mediatek Bluetooth support" - depends on USB && BT && m - ---help--- - Say Y here if you wish to control a MTK USB Bluetooth. - - This option depends on 'USB' support being enabled - - To compile this driver as a module, choose M here: the - module will be called btmtk_usb. - diff --git a/drivers/staging/btmtk_usb/Makefile b/drivers/staging/btmtk_usb/Makefile deleted file mode 100644 index 4d6c9d7..0000000 --- a/drivers/staging/btmtk_usb/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-$(CONFIG_USB_BTMTK) += btmtk_usb.o diff --git a/drivers/staging/btmtk_usb/README b/drivers/staging/btmtk_usb/README deleted file mode 100644 index c046c8e..0000000 --- a/drivers/staging/btmtk_usb/README +++ /dev/null @@ -1,14 +0,0 @@ --build driver modules - make - --install driver modules - make install - --remove driver modules - make clean - --dynamic debug message - turn on CONFIG_DYNAMIC_DEBUG compiler flag for current kernel - mount -t debugfs none /sys/kernel/debug/ - echo "module module_name +p" > /sys/kernel/debug/dynamic_debug/control(turn on debug messages, module name such as btmtk_usb) - echo "module module_name -p" > /sys/kernel/debug/dynamic_debug/control(turn off debug messages, module name such as btmtk_usb) diff --git a/drivers/staging/btmtk_usb/TODO b/drivers/staging/btmtk_usb/TODO deleted file mode 100644 index a71d129..0000000 --- a/drivers/staging/btmtk_usb/TODO +++ /dev/null @@ -1,10 +0,0 @@ -TODO: - - checkpatch.pl clean - - determine if the driver should not be using a duplicate - version of the usb-bluetooth interface code, but should - be merged into the drivers/bluetooth/ directory and - infrastructure instead. - - review by the bluetooth developer community - -Please send any patches for this driver to Yu-Chen, Cho <acho@suse.com> and -jay.hung@mediatek.com diff --git a/drivers/staging/btmtk_usb/btmtk_usb.c b/drivers/staging/btmtk_usb/btmtk_usb.c deleted file mode 100644 index 9a5ebd6..0000000 --- a/drivers/staging/btmtk_usb/btmtk_usb.c +++ /dev/null @@ -1,1810 +0,0 @@ -/* - * MediaTek Bluetooth USB Driver - * - * Copyright (C) 2013, MediaTek co. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * or on the worldwide web at - * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/errno.h> -#include <linux/skbuff.h> -#include <linux/completion.h> -#include <linux/firmware.h> -#include <linux/usb.h> -#include <net/bluetooth/bluetooth.h> -#include <net/bluetooth/hci_core.h> - -#include "btmtk_usb.h" - -#define VERSION "1.0.4" -#define MT7650_FIRMWARE "mt7650.bin" -#define MT7662_FIRMWARE "mt7662.bin" - -static struct usb_driver btmtk_usb_driver; - - -static int btmtk_usb_load_rom_patch(struct btmtk_usb_data *); -static int btmtk_usb_load_fw(struct btmtk_usb_data *); - -static void hex_dump(char *str, u8 *src_buf, u32 src_buf_len) -{ - unsigned char *pt; - int x; - - pt = src_buf; - - BT_DBG("%s: %p, len = %d\n", str, src_buf, src_buf_len); - - for (x = 0; x < src_buf_len; x++) { - if (x % 16 == 0) - BT_DBG("0x%04x : ", x); - BT_DBG("%02x ", ((unsigned char)pt[x])); - if (x % 16 == 15) - BT_DBG("\n"); - } - - BT_DBG("\n"); -} - -static int btmtk_usb_reset(struct usb_device *udev) -{ - int ret; - - BT_DBG("%s\n", __func__); - - ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x01, - DEVICE_VENDOR_REQUEST_OUT, 0x01, 0x00, - NULL, 0x00, CONTROL_TIMEOUT_JIFFIES); - - if (ret < 0) { - BT_ERR("%s error(%d)\n", __func__, ret); - return ret; - } - - if (ret > 0) - ret = 0; - - return ret; -} - -static int btmtk_usb_io_read32(struct btmtk_usb_data *data, u32 reg, u32 *val) -{ - u8 request = data->r_request; - struct usb_device *udev = data->udev; - int ret; - __le32 val_le; - - ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), request, - DEVICE_VENDOR_REQUEST_IN, 0x0, reg, data->io_buf, - 4, CONTROL_TIMEOUT_JIFFIES); - - if (ret < 0) { - *val = 0xffffffff; - BT_ERR("%s error(%d), reg=%x, value=%x\n", - __func__, ret, reg, *val); - return ret; - } - - memmove(&val_le, data->io_buf, 4); - - *val = le32_to_cpu(val_le); - - if (ret > 0) - ret = 0; - - return ret; -} - -static int btmtk_usb_io_write32(struct btmtk_usb_data *data, u32 reg, u32 val) -{ - u16 value, index; - u8 request = data->w_request; - struct usb_device *udev = data->udev; - int ret; - - index = (u16)reg; - value = val & 0x0000ffff; - - ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), request, - DEVICE_VENDOR_REQUEST_OUT, value, index, - NULL, 0, CONTROL_TIMEOUT_JIFFIES); - - if (ret < 0) { - BT_ERR("%s error(%d), reg=%x, value=%x\n", - __func__, ret, reg, val); - return ret; - } - - index = (u16)(reg + 2); - value = (val & 0xffff0000) >> 16; - - ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - request, DEVICE_VENDOR_REQUEST_OUT, - value, index, NULL, 0, CONTROL_TIMEOUT_JIFFIES); - - if (ret < 0) { - BT_ERR("%s error(%d), reg=%x, value=%x\n", - __func__, ret, reg, val); - return ret; - } - - if (ret > 0) - ret = 0; - - return ret; -} - -static int btmtk_usb_switch_iobase(struct btmtk_usb_data *data, int base) -{ - int ret = 0; - - switch (base) { - case SYSCTL: - data->w_request = 0x42; - data->r_request = 0x47; - break; - case WLAN: - data->w_request = 0x02; - data->r_request = 0x07; - break; - - default: - return -EINVAL; - } - - return ret; -} - -static void btmtk_usb_cap_init(struct btmtk_usb_data *data) -{ - const struct firmware *firmware; - struct usb_device *udev = data->udev; - int ret; - - btmtk_usb_io_read32(data, 0x00, &data->chip_id); - - BT_DBG("chip id = %x\n", data->chip_id); - - if (is_mt7630(data) || is_mt7650(data)) { - data->need_load_fw = 1; - data->need_load_rom_patch = 0; - ret = request_firmware(&firmware, MT7650_FIRMWARE, &udev->dev); - if (ret < 0) { - if (ret == -ENOENT) { - BT_ERR("Firmware file \"%s\" not found\n", - MT7650_FIRMWARE); - } else { - BT_ERR("Firmware file \"%s\" request failed (err=%d)\n", - MT7650_FIRMWARE, ret); - } - } else { - BT_DBG("Firmware file \"%s\" Found\n", - MT7650_FIRMWARE); - /* load firmware here */ - data->firmware = firmware; - btmtk_usb_load_fw(data); - } - release_firmware(firmware); - } else if (is_mt7632(data) || is_mt7662(data)) { - data->need_load_fw = 0; - data->need_load_rom_patch = 1; - data->rom_patch_offset = 0x90000; - ret = request_firmware(&firmware, MT7662_FIRMWARE, &udev->dev); - if (ret < 0) { - if (ret == -ENOENT) { - BT_ERR("Firmware file \"%s\" not found\n", - MT7662_FIRMWARE); - } else { - BT_ERR("Firmware file \"%s\" request failed (err=%d)\n", - MT7662_FIRMWARE, ret); - } - } else { - BT_DBG("Firmware file \"%s\" Found\n", MT7662_FIRMWARE); - /* load rom patch here */ - data->firmware = firmware; - data->rom_patch_len = firmware->size; - btmtk_usb_load_rom_patch(data); - } - release_firmware(firmware); - } else { - BT_ERR("unknow chip(%x)\n", data->chip_id); - } -} - -static u16 checksume16(u8 *pData, int len) -{ - int sum = 0; - - while (len > 1) { - sum += *((u16 *)pData); - - pData = pData + 2; - - if (sum & 0x80000000) - sum = (sum & 0xFFFF) + (sum >> 16); - - len -= 2; - } - - if (len) - sum += *((u8 *)pData); - - while (sum >> 16) - sum = (sum & 0xFFFF) + (sum >> 16); - - return ~sum; -} - -static int btmtk_usb_chk_crc(struct btmtk_usb_data *data, u32 checksum_len) -{ - int ret = 0; - struct usb_device *udev = data->udev; - - BT_DBG("%s\n", __func__); - - memmove(data->io_buf, &data->rom_patch_offset, 4); - memmove(&data->io_buf[4], &checksum_len, 4); - - ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x1, - DEVICE_VENDOR_REQUEST_IN, 0x20, 0x00, data->io_buf, - 8, CONTROL_TIMEOUT_JIFFIES); - - if (ret < 0) - BT_ERR("%s error(%d)\n", __func__, ret); - - return ret; -} - -static u16 btmtk_usb_get_crc(struct btmtk_usb_data *data) -{ - int ret = 0; - struct usb_device *udev = data->udev; - u16 crc, count = 0; - __le16 crc_le; - - BT_DBG("%s\n", __func__); - - while (1) { - ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - 0x01, DEVICE_VENDOR_REQUEST_IN, - 0x21, 0x00, data->io_buf, 2, - CONTROL_TIMEOUT_JIFFIES); - - if (ret < 0) { - crc = 0xFFFF; - BT_ERR("%s error(%d)\n", __func__, ret); - } - - memmove(&crc_le, data->io_buf, 2); - - crc = le16_to_cpu(crc_le); - - if (crc != 0xFFFF) - break; - - mdelay(100); - - if (count++ > 100) { - BT_ERR("Query CRC over %d times\n", count); - break; - } - } - - return crc; -} - -static int btmtk_usb_reset_wmt(struct btmtk_usb_data *data) -{ - int ret = 0; - - /* reset command */ - u8 cmd[8] = {0x6F, 0xFC, 0x05, 0x01, 0x07, 0x01, 0x00, 0x04}; - - memmove(data->io_buf, cmd, 8); - - BT_DBG("%s\n", __func__); - - ret = usb_control_msg(data->udev, usb_sndctrlpipe(data->udev, 0), 0x01, - DEVICE_CLASS_REQUEST_OUT, 0x12, 0x00, - data->io_buf, 8, CONTROL_TIMEOUT_JIFFIES); - - if (ret) - BT_ERR("%s:(%d)\n", __func__, ret); - - return ret; -} - -static void load_rom_patch_complete(struct urb *urb) -{ - - struct completion *sent_to_mcu_done = (struct completion *)urb->context; - - complete(sent_to_mcu_done); -} - -static int btmtk_usb_load_rom_patch(struct btmtk_usb_data *data) -{ - u32 loop = 0; - u32 value; - s32 sent_len; - int ret = 0, total_checksum = 0; - struct urb *urb; - u32 patch_len = 0; - u32 cur_len = 0; - dma_addr_t data_dma; - struct completion sent_to_mcu_done; - int first_block = 1; - unsigned char phase; - void *buf; - char *pos; - unsigned int pipe; - pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); - - if (!data->firmware) { - BT_ERR("%s:please assign a rom patch\n", __func__); - return -1; - } - -load_patch_protect: - btmtk_usb_switch_iobase(data, WLAN); - btmtk_usb_io_read32(data, SEMAPHORE_03, &value); - loop++; - - if (((value & 0x01) == 0x00) && (loop < 600)) { - mdelay(1); - goto load_patch_protect; - } - - btmtk_usb_io_write32(data, 0x1004, 0x2c); - - btmtk_usb_switch_iobase(data, SYSCTL); - - btmtk_usb_io_write32(data, 0x1c, 0x30); - - /* Enable USB_DMA_CFG */ - btmtk_usb_io_write32(data, 0x9018, 0x00c00020); - - btmtk_usb_switch_iobase(data, WLAN); - - /* check ROM patch if upgrade */ - btmtk_usb_io_read32(data, COM_REG0, &value); - - if ((value & 0x02) == 0x02) - goto error0; - - urb = usb_alloc_urb(0, GFP_ATOMIC); - - if (!urb) { - ret = -ENOMEM; - goto error0; - } - - buf = usb_alloc_coherent(data->udev, UPLOAD_PATCH_UNIT, - GFP_ATOMIC, &data_dma); - - if (!buf) { - ret = -ENOMEM; - goto error1; - } - - pos = buf; - BT_DBG("loading rom patch"); - - init_completion(&sent_to_mcu_done); - - cur_len = 0x00; - patch_len = data->rom_patch_len - PATCH_INFO_SIZE; - - /* loading rom patch */ - while (1) { - s32 sent_len_max = UPLOAD_PATCH_UNIT - PATCH_HEADER_SIZE; - sent_len = min_t(s32, (patch_len - cur_len), sent_len_max); - - BT_DBG("patch_len = %d\n", patch_len); - BT_DBG("cur_len = %d\n", cur_len); - BT_DBG("sent_len = %d\n", sent_len); - - if (sent_len <= 0) - break; - - if (first_block == 1) { - if (sent_len < sent_len_max) - phase = PATCH_PHASE3; - else - phase = PATCH_PHASE1; - first_block = 0; - } else if (sent_len == sent_len_max) { - phase = PATCH_PHASE2; - } else { - phase = PATCH_PHASE3; - } - - /* prepare HCI header */ - pos[0] = 0x6F; - pos[1] = 0xFC; - pos[2] = (sent_len + 5) & 0xFF; - pos[3] = ((sent_len + 5) >> 8) & 0xFF; - - /* prepare WMT header */ - pos[4] = 0x01; - pos[5] = 0x01; - pos[6] = (sent_len + 1) & 0xFF; - pos[7] = ((sent_len + 1) >> 8) & 0xFF; - - pos[8] = phase; - - memcpy(&pos[9], - data->firmware->data + PATCH_INFO_SIZE + cur_len, - sent_len); - - BT_DBG("sent_len + PATCH_HEADER_SIZE = %d, phase = %d\n", - sent_len + PATCH_HEADER_SIZE, phase); - - usb_fill_bulk_urb(urb, - data->udev, - pipe, - buf, - sent_len + PATCH_HEADER_SIZE, - load_rom_patch_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 error2; - - if (!wait_for_completion_timeout(&sent_to_mcu_done, - msecs_to_jiffies(1000))) { - usb_kill_urb(urb); - BT_ERR("upload rom_patch timeout\n"); - goto error2; - } - - BT_DBG("."); - - mdelay(200); - - cur_len += sent_len; - - } - - total_checksum = checksume16( - (u8 *)data->firmware->data + PATCH_INFO_SIZE, - patch_len); - - BT_DBG("Send checksum req..\n"); - - btmtk_usb_chk_crc(data, patch_len); - - mdelay(20); - - if (total_checksum != btmtk_usb_get_crc(data)) { - BT_ERR("checksum fail!, local(0x%x) <> fw(0x%x)\n", - total_checksum, btmtk_usb_get_crc(data)); - ret = -1; - goto error2; - } - - mdelay(20); - - ret = btmtk_usb_reset_wmt(data); - - mdelay(20); - -error2: - usb_free_coherent(data->udev, UPLOAD_PATCH_UNIT, buf, data_dma); -error1: - usb_free_urb(urb); -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); diff --git a/drivers/staging/btmtk_usb/btmtk_usb.h b/drivers/staging/btmtk_usb/btmtk_usb.h deleted file mode 100644 index 12f0d3b..0000000 --- a/drivers/staging/btmtk_usb/btmtk_usb.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * MediaTek Bluetooth USB Driver - * - * Copyright (C) 2013, MediaTek co. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * or on the worldwide web at - * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. - * - */ - -#ifndef __BTMTK_USB_H__ -#define __BTMTK_USB_H_ - -/* Memory map for MTK BT */ - -/* SYS Control */ -#define SYSCTL 0x400000 - -/* WLAN */ -#define WLAN 0x410000 - -/* MCUCTL */ -#define INT_LEVEL 0x0718 -#define COM_REG0 0x0730 -#define SEMAPHORE_00 0x07B0 -#define SEMAPHORE_01 0x07B4 -#define SEMAPHORE_02 0x07B8 -#define SEMAPHORE_03 0x07BC - -/* Chip definition */ - -#define CONTROL_TIMEOUT_JIFFIES ((300 * HZ) / 100) -#define DEVICE_VENDOR_REQUEST_OUT 0x40 -#define DEVICE_VENDOR_REQUEST_IN 0xc0 -#define DEVICE_CLASS_REQUEST_OUT 0x20 - -#define BTUSB_MAX_ISOC_FRAMES 10 -#define BTUSB_INTR_RUNNING 0 -#define BTUSB_BULK_RUNNING 1 -#define BTUSB_ISOC_RUNNING 2 -#define BTUSB_SUSPENDING 3 -#define BTUSB_DID_ISO_RESUME 4 - -/* ROM Patch */ -#define PATCH_HCI_HEADER_SIZE 4 -#define PATCH_WMT_HEADER_SIZE 5 -#define PATCH_HEADER_SIZE (PATCH_HCI_HEADER_SIZE + PATCH_WMT_HEADER_SIZE) -#define UPLOAD_PATCH_UNIT 2048 -#define PATCH_INFO_SIZE 30 -#define PATCH_PHASE1 1 -#define PATCH_PHASE2 2 -#define PATCH_PHASE3 3 - -struct btmtk_usb_data { - struct hci_dev *hdev; - struct usb_device *udev; - struct usb_interface *intf; - struct usb_interface *isoc; - - spinlock_t lock; - - unsigned long flags; - struct work_struct work; - struct work_struct waker; - - struct usb_anchor tx_anchor; - struct usb_anchor intr_anchor; - struct usb_anchor bulk_anchor; - struct usb_anchor isoc_anchor; - struct usb_anchor deferred; - int tx_in_flight; - spinlock_t txlock; - - struct usb_endpoint_descriptor *intr_ep; - struct usb_endpoint_descriptor *bulk_tx_ep; - struct usb_endpoint_descriptor *bulk_rx_ep; - struct usb_endpoint_descriptor *isoc_tx_ep; - struct usb_endpoint_descriptor *isoc_rx_ep; - - __u8 cmdreq_type; - - unsigned int sco_num; - int isoc_altsetting; - int suspend_count; - - /* request for different io operation */ - u8 w_request; - u8 r_request; - - /* io buffer for usb control transfer */ - char *io_buf; - - struct semaphore fw_upload_sem; - - /* unsigned char *fw_image; */ - /* unsigned char *rom_patch; */ - const struct firmware *firmware; - u32 chip_id; - u8 need_load_fw; - u8 need_load_rom_patch; - u32 rom_patch_offset; - u32 rom_patch_len; -}; - -static inline int is_mt7630(struct btmtk_usb_data *data) -{ - return ((data->chip_id & 0xffff0000) == 0x76300000); -} - -static inline int is_mt7650(struct btmtk_usb_data *data) -{ - return ((data->chip_id & 0xffff0000) == 0x76500000); -} - -static inline int is_mt7632(struct btmtk_usb_data *data) -{ - return ((data->chip_id & 0xffff0000) == 0x76320000); -} - -static inline int is_mt7662(struct btmtk_usb_data *data) -{ - return ((data->chip_id & 0xffff0000) == 0x76620000); -} - -#endif |
