diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/bluetooth/ath3k.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/bluetooth/ath3k.c | 450 |
1 files changed, 0 insertions, 450 deletions
diff --git a/ANDROID_3.4.5/drivers/bluetooth/ath3k.c b/ANDROID_3.4.5/drivers/bluetooth/ath3k.c deleted file mode 100644 index 57fd8675..00000000 --- a/ANDROID_3.4.5/drivers/bluetooth/ath3k.c +++ /dev/null @@ -1,450 +0,0 @@ -/* - * Copyright (c) 2008-2009 Atheros Communications Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/device.h> -#include <linux/firmware.h> -#include <linux/usb.h> -#include <net/bluetooth/bluetooth.h> - -#define VERSION "1.0" -#define ATH3K_FIRMWARE "ath3k-1.fw" - -#define ATH3K_DNLOAD 0x01 -#define ATH3K_GETSTATE 0x05 -#define ATH3K_SET_NORMAL_MODE 0x07 -#define ATH3K_GETVERSION 0x09 -#define USB_REG_SWITCH_VID_PID 0x0a - -#define ATH3K_MODE_MASK 0x3F -#define ATH3K_NORMAL_MODE 0x0E - -#define ATH3K_PATCH_UPDATE 0x80 -#define ATH3K_SYSCFG_UPDATE 0x40 - -#define ATH3K_XTAL_FREQ_26M 0x00 -#define ATH3K_XTAL_FREQ_40M 0x01 -#define ATH3K_XTAL_FREQ_19P2 0x02 -#define ATH3K_NAME_LEN 0xFF - -struct ath3k_version { - unsigned int rom_version; - unsigned int build_version; - unsigned int ram_version; - unsigned char ref_clock; - unsigned char reserved[0x07]; -}; - -static struct usb_device_id ath3k_table[] = { - /* Atheros AR3011 */ - { USB_DEVICE(0x0CF3, 0x3000) }, - - /* Atheros AR3011 with sflash firmware*/ - { USB_DEVICE(0x0CF3, 0x3002) }, - { USB_DEVICE(0x13d3, 0x3304) }, - { USB_DEVICE(0x0930, 0x0215) }, - { USB_DEVICE(0x0489, 0xE03D) }, - - /* Atheros AR9285 Malbec with sflash firmware */ - { USB_DEVICE(0x03F0, 0x311D) }, - - /* Atheros AR3012 with sflash firmware*/ - { USB_DEVICE(0x0CF3, 0x3004) }, - { USB_DEVICE(0x0CF3, 0x311D) }, - { USB_DEVICE(0x13d3, 0x3375) }, - { USB_DEVICE(0x04CA, 0x3005) }, - { USB_DEVICE(0x13d3, 0x3362) }, - { USB_DEVICE(0x0CF3, 0xE004) }, - - /* Atheros AR5BBU12 with sflash firmware */ - { USB_DEVICE(0x0489, 0xE02C) }, - - { } /* Terminating entry */ -}; - -MODULE_DEVICE_TABLE(usb, ath3k_table); - -#define BTUSB_ATH3012 0x80 -/* This table is to load patch and sysconfig files - * for AR3012 */ -static struct usb_device_id ath3k_blist_tbl[] = { - - /* Atheros AR3012 with sflash firmware*/ - { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, - { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 }, - { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, - { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, - { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, - { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, - - { } /* Terminating entry */ -}; - -#define USB_REQ_DFU_DNLOAD 1 -#define BULK_SIZE 4096 -#define FW_HDR_SIZE 20 - -static int ath3k_load_firmware(struct usb_device *udev, - const struct firmware *firmware) -{ - u8 *send_buf; - int err, pipe, len, size, sent = 0; - int count = firmware->size; - - BT_DBG("udev %p", udev); - - pipe = usb_sndctrlpipe(udev, 0); - - send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); - if (!send_buf) { - BT_ERR("Can't allocate memory chunk for firmware"); - return -ENOMEM; - } - - memcpy(send_buf, firmware->data, 20); - if ((err = usb_control_msg(udev, pipe, - USB_REQ_DFU_DNLOAD, - USB_TYPE_VENDOR, 0, 0, - send_buf, 20, USB_CTRL_SET_TIMEOUT)) < 0) { - BT_ERR("Can't change to loading configuration err"); - goto error; - } - sent += 20; - count -= 20; - - while (count) { - size = min_t(uint, count, BULK_SIZE); - pipe = usb_sndbulkpipe(udev, 0x02); - memcpy(send_buf, firmware->data + sent, size); - - err = usb_bulk_msg(udev, pipe, send_buf, size, - &len, 3000); - - if (err || (len != size)) { - BT_ERR("Error in firmware loading err = %d," - "len = %d, size = %d", err, len, size); - goto error; - } - - sent += size; - count -= size; - } - -error: - kfree(send_buf); - return err; -} - -static int ath3k_get_state(struct usb_device *udev, unsigned char *state) -{ - int pipe = 0; - - pipe = usb_rcvctrlpipe(udev, 0); - return usb_control_msg(udev, pipe, ATH3K_GETSTATE, - USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, - state, 0x01, USB_CTRL_SET_TIMEOUT); -} - -static int ath3k_get_version(struct usb_device *udev, - struct ath3k_version *version) -{ - int pipe = 0; - - pipe = usb_rcvctrlpipe(udev, 0); - return usb_control_msg(udev, pipe, ATH3K_GETVERSION, - USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, version, - sizeof(struct ath3k_version), - USB_CTRL_SET_TIMEOUT); -} - -static int ath3k_load_fwfile(struct usb_device *udev, - const struct firmware *firmware) -{ - u8 *send_buf; - int err, pipe, len, size, count, sent = 0; - int ret; - - count = firmware->size; - - send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); - if (!send_buf) { - BT_ERR("Can't allocate memory chunk for firmware"); - return -ENOMEM; - } - - size = min_t(uint, count, FW_HDR_SIZE); - memcpy(send_buf, firmware->data, size); - - pipe = usb_sndctrlpipe(udev, 0); - ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD, - USB_TYPE_VENDOR, 0, 0, send_buf, - size, USB_CTRL_SET_TIMEOUT); - if (ret < 0) { - BT_ERR("Can't change to loading configuration err"); - kfree(send_buf); - return ret; - } - - sent += size; - count -= size; - - while (count) { - size = min_t(uint, count, BULK_SIZE); - pipe = usb_sndbulkpipe(udev, 0x02); - - memcpy(send_buf, firmware->data + sent, size); - - err = usb_bulk_msg(udev, pipe, send_buf, size, - &len, 3000); - if (err || (len != size)) { - BT_ERR("Error in firmware loading err = %d," - "len = %d, size = %d", err, len, size); - kfree(send_buf); - return err; - } - sent += size; - count -= size; - } - - kfree(send_buf); - return 0; -} - -static int ath3k_switch_pid(struct usb_device *udev) -{ - int pipe = 0; - - pipe = usb_sndctrlpipe(udev, 0); - return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID, - USB_TYPE_VENDOR, 0, 0, - NULL, 0, USB_CTRL_SET_TIMEOUT); -} - -static int ath3k_set_normal_mode(struct usb_device *udev) -{ - unsigned char fw_state; - int pipe = 0, ret; - - ret = ath3k_get_state(udev, &fw_state); - if (ret < 0) { - BT_ERR("Can't get state to change to normal mode err"); - return ret; - } - - if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) { - BT_DBG("firmware was already in normal mode"); - return 0; - } - - pipe = usb_sndctrlpipe(udev, 0); - return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE, - USB_TYPE_VENDOR, 0, 0, - NULL, 0, USB_CTRL_SET_TIMEOUT); -} - -static int ath3k_load_patch(struct usb_device *udev) -{ - unsigned char fw_state; - char filename[ATH3K_NAME_LEN] = {0}; - const struct firmware *firmware; - struct ath3k_version fw_version, pt_version; - int ret; - - ret = ath3k_get_state(udev, &fw_state); - if (ret < 0) { - BT_ERR("Can't get state to change to load ram patch err"); - return ret; - } - - if (fw_state & ATH3K_PATCH_UPDATE) { - BT_DBG("Patch was already downloaded"); - return 0; - } - - ret = ath3k_get_version(udev, &fw_version); - if (ret < 0) { - BT_ERR("Can't get version to change to load ram patch err"); - return ret; - } - - snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu", - fw_version.rom_version); - - ret = request_firmware(&firmware, filename, &udev->dev); - if (ret < 0) { - BT_ERR("Patch file not found %s", filename); - return ret; - } - - pt_version.rom_version = *(int *)(firmware->data + firmware->size - 8); - pt_version.build_version = *(int *) - (firmware->data + firmware->size - 4); - - if ((pt_version.rom_version != fw_version.rom_version) || - (pt_version.build_version <= fw_version.build_version)) { - BT_ERR("Patch file version did not match with firmware"); - release_firmware(firmware); - return -EINVAL; - } - - ret = ath3k_load_fwfile(udev, firmware); - release_firmware(firmware); - - return ret; -} - -static int ath3k_load_syscfg(struct usb_device *udev) -{ - unsigned char fw_state; - char filename[ATH3K_NAME_LEN] = {0}; - const struct firmware *firmware; - struct ath3k_version fw_version; - int clk_value, ret; - - ret = ath3k_get_state(udev, &fw_state); - if (ret < 0) { - BT_ERR("Can't get state to change to load configration err"); - return -EBUSY; - } - - ret = ath3k_get_version(udev, &fw_version); - if (ret < 0) { - BT_ERR("Can't get version to change to load ram patch err"); - return ret; - } - - switch (fw_version.ref_clock) { - - case ATH3K_XTAL_FREQ_26M: - clk_value = 26; - break; - case ATH3K_XTAL_FREQ_40M: - clk_value = 40; - break; - case ATH3K_XTAL_FREQ_19P2: - clk_value = 19; - break; - default: - clk_value = 0; - break; - } - - snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s", - fw_version.rom_version, clk_value, ".dfu"); - - ret = request_firmware(&firmware, filename, &udev->dev); - if (ret < 0) { - BT_ERR("Configuration file not found %s", filename); - return ret; - } - - ret = ath3k_load_fwfile(udev, firmware); - release_firmware(firmware); - - return ret; -} - -static int ath3k_probe(struct usb_interface *intf, - const struct usb_device_id *id) -{ - const struct firmware *firmware; - struct usb_device *udev = interface_to_usbdev(intf); - int ret; - - BT_DBG("intf %p id %p", intf, id); - - if (intf->cur_altsetting->desc.bInterfaceNumber != 0) - return -ENODEV; - - /* match device ID in ath3k blacklist table */ - if (!id->driver_info) { - const struct usb_device_id *match; - match = usb_match_id(intf, ath3k_blist_tbl); - if (match) - id = match; - } - - /* load patch and sysconfig files for AR3012 */ - if (id->driver_info & BTUSB_ATH3012) { - - /* New firmware with patch and sysconfig files already loaded */ - if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001) - return -ENODEV; - - ret = ath3k_load_patch(udev); - if (ret < 0) { - BT_ERR("Loading patch file failed"); - return ret; - } - ret = ath3k_load_syscfg(udev); - if (ret < 0) { - BT_ERR("Loading sysconfig file failed"); - return ret; - } - ret = ath3k_set_normal_mode(udev); - if (ret < 0) { - BT_ERR("Set normal mode failed"); - return ret; - } - ath3k_switch_pid(udev); - return 0; - } - - ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev); - if (ret < 0) { - if (ret == -ENOENT) - BT_ERR("Firmware file \"%s\" not found", - ATH3K_FIRMWARE); - else - BT_ERR("Firmware file \"%s\" request failed (err=%d)", - ATH3K_FIRMWARE, ret); - return ret; - } - - ret = ath3k_load_firmware(udev, firmware); - release_firmware(firmware); - - return ret; -} - -static void ath3k_disconnect(struct usb_interface *intf) -{ - BT_DBG("ath3k_disconnect intf %p", intf); -} - -static struct usb_driver ath3k_driver = { - .name = "ath3k", - .probe = ath3k_probe, - .disconnect = ath3k_disconnect, - .id_table = ath3k_table, -}; - -module_usb_driver(ath3k_driver); - -MODULE_AUTHOR("Atheros Communications"); -MODULE_DESCRIPTION("Atheros AR30xx firmware driver"); -MODULE_VERSION(VERSION); -MODULE_LICENSE("GPL"); -MODULE_FIRMWARE(ATH3K_FIRMWARE); |