+++ /dev/null
-/*
- * Copyright (c) 2007-2011 Atheros Communications Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <linux/module.h>
-#include <linux/usb.h>
-
-#include "debug.h"
-#include "core.h"
-
-/* usb device object */
-struct ath6kl_usb {
- struct usb_device *udev;
- struct usb_interface *interface;
- u8 *diag_cmd_buffer;
- u8 *diag_resp_buffer;
- struct ath6kl *ar;
-};
-
-/* diagnostic command defnitions */
-#define ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD 1
-#define ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP 2
-#define ATH6KL_USB_CONTROL_REQ_DIAG_CMD 3
-#define ATH6KL_USB_CONTROL_REQ_DIAG_RESP 4
-
-#define ATH6KL_USB_CTRL_DIAG_CC_READ 0
-#define ATH6KL_USB_CTRL_DIAG_CC_WRITE 1
-
-struct ath6kl_usb_ctrl_diag_cmd_write {
- __le32 cmd;
- __le32 address;
- __le32 value;
- __le32 _pad[1];
-} __packed;
-
-struct ath6kl_usb_ctrl_diag_cmd_read {
- __le32 cmd;
- __le32 address;
-} __packed;
-
-struct ath6kl_usb_ctrl_diag_resp_read {
- __le32 value;
-} __packed;
-
-#define ATH6KL_USB_MAX_DIAG_CMD (sizeof(struct ath6kl_usb_ctrl_diag_cmd_write))
-#define ATH6KL_USB_MAX_DIAG_RESP (sizeof(struct ath6kl_usb_ctrl_diag_resp_read))
-
-static void ath6kl_usb_destroy(struct ath6kl_usb *ar_usb)
-{
- usb_set_intfdata(ar_usb->interface, NULL);
-
- kfree(ar_usb->diag_cmd_buffer);
- kfree(ar_usb->diag_resp_buffer);
-
- kfree(ar_usb);
-}
-
-static struct ath6kl_usb *ath6kl_usb_create(struct usb_interface *interface)
-{
- struct ath6kl_usb *ar_usb = NULL;
- struct usb_device *dev = interface_to_usbdev(interface);
- int status = 0;
-
- ar_usb = kzalloc(sizeof(struct ath6kl_usb), GFP_KERNEL);
- if (ar_usb == NULL)
- goto fail_ath6kl_usb_create;
-
- memset(ar_usb, 0, sizeof(struct ath6kl_usb));
- usb_set_intfdata(interface, ar_usb);
- ar_usb->udev = dev;
- ar_usb->interface = interface;
-
- ar_usb->diag_cmd_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_CMD, GFP_KERNEL);
- if (ar_usb->diag_cmd_buffer == NULL) {
- status = -ENOMEM;
- goto fail_ath6kl_usb_create;
- }
-
- ar_usb->diag_resp_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_RESP,
- GFP_KERNEL);
- if (ar_usb->diag_resp_buffer == NULL) {
- status = -ENOMEM;
- goto fail_ath6kl_usb_create;
- }
-
-fail_ath6kl_usb_create:
- if (status != 0) {
- ath6kl_usb_destroy(ar_usb);
- ar_usb = NULL;
- }
- return ar_usb;
-}
-
-static void ath6kl_usb_device_detached(struct usb_interface *interface)
-{
- struct ath6kl_usb *ar_usb;
-
- ar_usb = usb_get_intfdata(interface);
- if (ar_usb == NULL)
- return;
-
- ath6kl_stop_txrx(ar_usb->ar);
-
- ath6kl_core_cleanup(ar_usb->ar);
-
- ath6kl_usb_destroy(ar_usb);
-}
-
-static int ath6kl_usb_submit_ctrl_out(struct ath6kl_usb *ar_usb,
- u8 req, u16 value, u16 index, void *data,
- u32 size)
-{
- u8 *buf = NULL;
- int ret;
-
- if (size > 0) {
- buf = kmalloc(size, GFP_KERNEL);
- if (buf == NULL)
- return -ENOMEM;
-
- memcpy(buf, data, size);
- }
-
- /* note: if successful returns number of bytes transfered */
- ret = usb_control_msg(ar_usb->udev,
- usb_sndctrlpipe(ar_usb->udev, 0),
- req,
- USB_DIR_OUT | USB_TYPE_VENDOR |
- USB_RECIP_DEVICE, value, index, buf,
- size, 1000);
-
- if (ret < 0) {
- ath6kl_dbg(ATH6KL_DBG_USB, "%s failed,result = %d\n",
- __func__, ret);
- }
-
- kfree(buf);
-
- return 0;
-}
-
-static int ath6kl_usb_submit_ctrl_in(struct ath6kl_usb *ar_usb,
- u8 req, u16 value, u16 index, void *data,
- u32 size)
-{
- u8 *buf = NULL;
- int ret;
-
- if (size > 0) {
- buf = kmalloc(size, GFP_KERNEL);
- if (buf == NULL)
- return -ENOMEM;
- }
-
- /* note: if successful returns number of bytes transfered */
- ret = usb_control_msg(ar_usb->udev,
- usb_rcvctrlpipe(ar_usb->udev, 0),
- req,
- USB_DIR_IN | USB_TYPE_VENDOR |
- USB_RECIP_DEVICE, value, index, buf,
- size, 2 * HZ);
-
- if (ret < 0) {
- ath6kl_dbg(ATH6KL_DBG_USB, "%s failed,result = %d\n",
- __func__, ret);
- }
-
- memcpy((u8 *) data, buf, size);
-
- kfree(buf);
-
- return 0;
-}
-
-static int ath6kl_usb_ctrl_msg_exchange(struct ath6kl_usb *ar_usb,
- u8 req_val, u8 *req_buf, u32 req_len,
- u8 resp_val, u8 *resp_buf, u32 *resp_len)
-{
- int ret;
-
- /* send command */
- ret = ath6kl_usb_submit_ctrl_out(ar_usb, req_val, 0, 0,
- req_buf, req_len);
-
- if (ret != 0)
- return ret;
-
- if (resp_buf == NULL) {
- /* no expected response */
- return ret;
- }
-
- /* get response */
- ret = ath6kl_usb_submit_ctrl_in(ar_usb, resp_val, 0, 0,
- resp_buf, *resp_len);
-
- return ret;
-}
-
-static int ath6kl_usb_diag_read32(struct ath6kl *ar, u32 address, u32 *data)
-{
- struct ath6kl_usb *ar_usb = ar->hif_priv;
- struct ath6kl_usb_ctrl_diag_resp_read *resp;
- struct ath6kl_usb_ctrl_diag_cmd_read *cmd;
- u32 resp_len;
- int ret;
-
- cmd = (struct ath6kl_usb_ctrl_diag_cmd_read *) ar_usb->diag_cmd_buffer;
-
- memset(cmd, 0, sizeof(*cmd));
- cmd->cmd = ATH6KL_USB_CTRL_DIAG_CC_READ;
- cmd->address = cpu_to_le32(address);
- resp_len = sizeof(*resp);
-
- ret = ath6kl_usb_ctrl_msg_exchange(ar_usb,
- ATH6KL_USB_CONTROL_REQ_DIAG_CMD,
- (u8 *) cmd,
- sizeof(struct ath6kl_usb_ctrl_diag_cmd_write),
- ATH6KL_USB_CONTROL_REQ_DIAG_RESP,
- ar_usb->diag_resp_buffer, &resp_len);
-
- if (ret)
- return ret;
-
- resp = (struct ath6kl_usb_ctrl_diag_resp_read *)
- ar_usb->diag_resp_buffer;
-
- *data = le32_to_cpu(resp->value);
-
- return ret;
-}
-
-static int ath6kl_usb_diag_write32(struct ath6kl *ar, u32 address, __le32 data)
-{
- struct ath6kl_usb *ar_usb = ar->hif_priv;
- struct ath6kl_usb_ctrl_diag_cmd_write *cmd;
-
- cmd = (struct ath6kl_usb_ctrl_diag_cmd_write *) ar_usb->diag_cmd_buffer;
-
- memset(cmd, 0, sizeof(struct ath6kl_usb_ctrl_diag_cmd_write));
- cmd->cmd = cpu_to_le32(ATH6KL_USB_CTRL_DIAG_CC_WRITE);
- cmd->address = cpu_to_le32(address);
- cmd->value = data;
-
- return ath6kl_usb_ctrl_msg_exchange(ar_usb,
- ATH6KL_USB_CONTROL_REQ_DIAG_CMD,
- (u8 *) cmd,
- sizeof(*cmd),
- 0, NULL, NULL);
-
-}
-
-static int ath6kl_usb_bmi_read(struct ath6kl *ar, u8 *buf, u32 len)
-{
- struct ath6kl_usb *ar_usb = ar->hif_priv;
- int ret;
-
- /* get response */
- ret = ath6kl_usb_submit_ctrl_in(ar_usb,
- ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP,
- 0, 0, buf, len);
- if (ret != 0) {
- ath6kl_err("Unable to read the bmi data from the device: %d\n",
- ret);
- return ret;
- }
-
- return 0;
-}
-
-static int ath6kl_usb_bmi_write(struct ath6kl *ar, u8 *buf, u32 len)
-{
- struct ath6kl_usb *ar_usb = ar->hif_priv;
- int ret;
-
- /* send command */
- ret = ath6kl_usb_submit_ctrl_out(ar_usb,
- ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD,
- 0, 0, buf, len);
- if (ret != 0) {
- ath6kl_err("unable to send the bmi data to the device: %d\n",
- ret);
- return ret;
- }
-
- return 0;
-}
-
-static int ath6kl_usb_power_on(struct ath6kl *ar)
-{
- return 0;
-}
-
-static int ath6kl_usb_power_off(struct ath6kl *ar)
-{
- return 0;
-}
-
-static const struct ath6kl_hif_ops ath6kl_usb_ops = {
- .diag_read32 = ath6kl_usb_diag_read32,
- .diag_write32 = ath6kl_usb_diag_write32,
- .bmi_read = ath6kl_usb_bmi_read,
- .bmi_write = ath6kl_usb_bmi_write,
- .power_on = ath6kl_usb_power_on,
- .power_off = ath6kl_usb_power_off,
-};
-
-/* ath6kl usb driver registered functions */
-static int ath6kl_usb_probe(struct usb_interface *interface,
- const struct usb_device_id *id)
-{
- struct usb_device *dev = interface_to_usbdev(interface);
- struct ath6kl *ar;
- struct ath6kl_usb *ar_usb = NULL;
- int vendor_id, product_id;
- int ret = 0;
-
- usb_get_dev(dev);
-
- vendor_id = le16_to_cpu(dev->descriptor.idVendor);
- product_id = le16_to_cpu(dev->descriptor.idProduct);
-
- ath6kl_dbg(ATH6KL_DBG_USB, "vendor_id = %04x\n", vendor_id);
- ath6kl_dbg(ATH6KL_DBG_USB, "product_id = %04x\n", product_id);
-
- if (interface->cur_altsetting)
- ath6kl_dbg(ATH6KL_DBG_USB, "USB Interface %d\n",
- interface->cur_altsetting->desc.bInterfaceNumber);
-
-
- if (dev->speed == USB_SPEED_HIGH)
- ath6kl_dbg(ATH6KL_DBG_USB, "USB 2.0 Host\n");
- else
- ath6kl_dbg(ATH6KL_DBG_USB, "USB 1.1 Host\n");
-
- ar_usb = ath6kl_usb_create(interface);
-
- if (ar_usb == NULL) {
- ret = -ENOMEM;
- goto err_usb_put;
- }
-
- ar = ath6kl_core_alloc(&ar_usb->udev->dev);
- if (ar == NULL) {
- ath6kl_err("Failed to alloc ath6kl core\n");
- ret = -ENOMEM;
- goto err_usb_destroy;
- }
-
- ar->hif_priv = ar_usb;
- ar->hif_type = ATH6KL_HIF_TYPE_USB;
- ar->hif_ops = &ath6kl_usb_ops;
- ar->mbox_info.block_size = 16;
- ar->bmi.max_data_size = 252;
-
- ar_usb->ar = ar;
-
- ret = ath6kl_core_init(ar);
- if (ret) {
- ath6kl_err("Failed to init ath6kl core: %d\n", ret);
- goto err_core_free;
- }
-
- return ret;
-
-err_core_free:
- ath6kl_core_free(ar);
-err_usb_destroy:
- ath6kl_usb_destroy(ar_usb);
-err_usb_put:
- usb_put_dev(dev);
-
- return ret;
-}
-
-static void ath6kl_usb_remove(struct usb_interface *interface)
-{
- usb_put_dev(interface_to_usbdev(interface));
- ath6kl_usb_device_detached(interface);
-}
-
-/* table of devices that work with this driver */
-static struct usb_device_id ath6kl_usb_ids[] = {
- {USB_DEVICE(0x0cf3, 0x9374)},
- { /* Terminating entry */ },
-};
-
-MODULE_DEVICE_TABLE(usb, ath6kl_usb_ids);
-
-static struct usb_driver ath6kl_usb_driver = {
- .name = "ath6kl_usb",
- .probe = ath6kl_usb_probe,
- .disconnect = ath6kl_usb_remove,
- .id_table = ath6kl_usb_ids,
-};
-
-static int ath6kl_usb_init(void)
-{
- usb_register(&ath6kl_usb_driver);
- return 0;
-}
-
-static void ath6kl_usb_exit(void)
-{
- usb_deregister(&ath6kl_usb_driver);
-}
-
-module_init(ath6kl_usb_init);
-module_exit(ath6kl_usb_exit);
-
-MODULE_AUTHOR("Atheros Communications, Inc.");
-MODULE_DESCRIPTION("Driver support for Atheros AR600x USB devices");
-MODULE_LICENSE("Dual BSD/GPL");
-MODULE_FIRMWARE(AR6004_HW_1_0_FIRMWARE_FILE);
-MODULE_FIRMWARE(AR6004_HW_1_0_BOARD_DATA_FILE);
-MODULE_FIRMWARE(AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE);
-MODULE_FIRMWARE(AR6004_HW_1_1_FIRMWARE_FILE);
-MODULE_FIRMWARE(AR6004_HW_1_1_BOARD_DATA_FILE);
-MODULE_FIRMWARE(AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE);
projects / karo-tx-linux.git / commitdiff