aboutsummaryrefslogtreecommitdiffstats
path: root/package/p54/src/p54usb.c
diff options
context:
space:
mode:
Diffstat (limited to 'package/p54/src/p54usb.c')
-rw-r--r--package/p54/src/p54usb.c905
1 files changed, 0 insertions, 905 deletions
diff --git a/package/p54/src/p54usb.c b/package/p54/src/p54usb.c
deleted file mode 100644
index 78ec61671f..0000000000
--- a/package/p54/src/p54usb.c
+++ /dev/null
@@ -1,905 +0,0 @@
-
-/*
- * Linux device driver for USB based Prism54
- *
- * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
- *
- * Based on the islsm (softmac prism54) driver, which is:
- * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/init.h>
-#include <linux/usb.h>
-#include <linux/pci.h>
-#include <linux/firmware.h>
-#include <linux/etherdevice.h>
-#include <linux/delay.h>
-#include <linux/crc32.h>
-#include <net/mac80211.h>
-
-#include "p54.h"
-#include "p54usb.h"
-
-MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
-MODULE_DESCRIPTION("Prism54 USB wireless driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("prism54usb");
-
-static struct usb_device_id p54u_table[] __devinitdata = {
- /* Version 1 devices (pci chip + net2280) */
- {USB_DEVICE(0x0506, 0x0a11)}, /* 3COM 3CRWE254G72 */
- {USB_DEVICE(0x0707, 0xee06)}, /* SMC 2862W-G */
- {USB_DEVICE(0x083a, 0x4501)}, /* Accton 802.11g WN4501 USB */
- {USB_DEVICE(0x083a, 0x4502)}, /* Siemens Gigaset USB Adapter */
- {USB_DEVICE(0x0846, 0x4200)}, /* Netgear WG121 */
- {USB_DEVICE(0x0846, 0x4210)}, /* Netgear WG121 the second ? */
- {USB_DEVICE(0x0846, 0x4220)}, /* Netgear WG111 */
- {USB_DEVICE(0x0cde, 0x0006)}, /* Medion 40900, Roper Europe */
- {USB_DEVICE(0x124a, 0x4023)}, /* Shuttle PN15, Airvast WM168g, IOGear GWU513 */
- {USB_DEVICE(0x1915, 0x2234)}, /* Linksys WUSB54G OEM */
- {USB_DEVICE(0x1915, 0x2235)}, /* Linksys WUSB54G Portable OEM */
- {USB_DEVICE(0x2001, 0x3701)}, /* DLink DWL-G120 Spinnaker */
- {USB_DEVICE(0x2001, 0x3703)}, /* DLink DWL-G122 */
- {USB_DEVICE(0x5041, 0x2234)}, /* Linksys WUSB54G */
- {USB_DEVICE(0x5041, 0x2235)}, /* Linksys WUSB54G Portable */
-
- /* Version 2 devices (3887) */
- {USB_DEVICE(0x050d, 0x7050)}, /* Belkin F5D7050 ver 1000 */
- {USB_DEVICE(0x0572, 0x2000)}, /* Cohiba Proto board */
- {USB_DEVICE(0x0572, 0x2002)}, /* Cohiba Proto board */
- {USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */
- {USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */
- {USB_DEVICE(0x0846, 0x4240)}, /* Netgear WG111 (v2) */
- {USB_DEVICE(0x0915, 0x2000)}, /* Cohiba Proto board */
- {USB_DEVICE(0x0915, 0x2002)}, /* Cohiba Proto board */
- {USB_DEVICE(0x0baf, 0x0118)}, /* U.S. Robotics U5 802.11g Adapter*/
- {USB_DEVICE(0x0bf8, 0x1009)}, /* FUJITSU E-5400 USB D1700*/
- {USB_DEVICE(0x0cde, 0x0006)}, /* Medion MD40900 */
- {USB_DEVICE(0x0cde, 0x0008)}, /* Sagem XG703A */
- {USB_DEVICE(0x0d8e, 0x3762)}, /* DLink DWL-G120 Cohiba */
- {USB_DEVICE(0x09aa, 0x1000)}, /* Spinnaker Proto board */
- {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */
- {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */
- {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */
- {USB_DEVICE(0x413c, 0x8102)}, /* Spinnaker DUT */
- {USB_DEVICE(0x413c, 0x8104)}, /* Cohiba Proto board */
- {}
-};
-
-MODULE_DEVICE_TABLE(usb, p54u_table);
-
-static void p54u_rx_cb(struct urb *urb)
-{
- struct sk_buff *skb = (struct sk_buff *) urb->context;
- struct p54u_rx_info *info = (struct p54u_rx_info *)skb->cb;
- struct ieee80211_hw *dev = info->dev;
- struct p54u_priv *priv = dev->priv;
-
- if (unlikely(urb->status)) {
- info->urb = NULL;
- usb_free_urb(urb);
- return;
- }
-
- skb_unlink(skb, &priv->rx_queue);
- skb_put(skb, urb->actual_length);
- if (!priv->hw_type)
- skb_pull(skb, sizeof(struct net2280_tx_hdr));
-
- if (p54_rx(dev, skb)) {
- skb = dev_alloc_skb(MAX_RX_SIZE);
- if (unlikely(!skb)) {
- usb_free_urb(urb);
- /* TODO check rx queue length and refill *somewhere* */
- return;
- }
-
- info = (struct p54u_rx_info *) skb->cb;
- info->urb = urb;
- info->dev = dev;
- urb->transfer_buffer = skb_tail_pointer(skb);
- urb->context = skb;
- skb_queue_tail(&priv->rx_queue, skb);
- } else {
- skb_trim(skb, 0);
- skb_queue_tail(&priv->rx_queue, skb);
- }
-
- usb_submit_urb(urb, GFP_ATOMIC);
-}
-
-static void p54u_tx_cb(struct urb *urb)
-{
- usb_free_urb(urb);
-}
-
-static void p54u_tx_free_cb(struct urb *urb)
-{
- kfree(urb->transfer_buffer);
- usb_free_urb(urb);
-}
-
-static int p54u_init_urbs(struct ieee80211_hw *dev)
-{
- struct p54u_priv *priv = dev->priv;
- struct urb *entry;
- struct sk_buff *skb;
- struct p54u_rx_info *info;
-
- while (skb_queue_len(&priv->rx_queue) < 32) {
- skb = __dev_alloc_skb(MAX_RX_SIZE, GFP_KERNEL);
- if (!skb)
- break;
- entry = usb_alloc_urb(0, GFP_KERNEL);
- if (!entry) {
- kfree_skb(skb);
- break;
- }
- usb_fill_bulk_urb(entry, priv->udev, usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), skb_tail_pointer(skb), MAX_RX_SIZE, p54u_rx_cb, skb);
- info = (struct p54u_rx_info *) skb->cb;
- info->urb = entry;
- info->dev = dev;
- skb_queue_tail(&priv->rx_queue, skb);
- usb_submit_urb(entry, GFP_KERNEL);
- }
-
- return 0;
-}
-
-static void p54u_free_urbs(struct ieee80211_hw *dev)
-{
- struct p54u_priv *priv = dev->priv;
- struct p54u_rx_info *info;
- struct sk_buff *skb;
-
- while ((skb = skb_dequeue(&priv->rx_queue))) {
- info = (struct p54u_rx_info *) skb->cb;
- if (!info->urb)
- continue;
-
- usb_kill_urb(info->urb);
- kfree_skb(skb);
- }
-}
-
-static void p54u_tx_3887(struct ieee80211_hw *dev, struct p54_control_hdr *data,
- size_t len, int free_on_tx)
-{
- struct p54u_priv *priv = dev->priv;
- struct urb *addr_urb, *data_urb;
-
- addr_urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!addr_urb)
- return;
-
- data_urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!data_urb) {
- usb_free_urb(addr_urb);
- return;
- }
-
- usb_fill_bulk_urb(addr_urb, priv->udev,
- usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), &data->req_id,
- sizeof(data->req_id), p54u_tx_cb, dev);
- usb_fill_bulk_urb(data_urb, priv->udev,
- usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), data, len,
- free_on_tx ? p54u_tx_free_cb : p54u_tx_cb, dev);
-
- usb_submit_urb(addr_urb, GFP_ATOMIC);
- usb_submit_urb(data_urb, GFP_ATOMIC);
-}
-
-static void p54u_tx_net2280(struct ieee80211_hw *dev, struct p54_control_hdr *data,
- size_t len, int free_on_tx)
-{
- struct p54u_priv *priv = dev->priv;
- struct urb *int_urb, *data_urb;
- struct net2280_tx_hdr *hdr;
- struct net2280_reg_write *reg;
-
- reg = kmalloc(sizeof(*reg), GFP_ATOMIC);
- if (!reg)
- return;
-
- int_urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!int_urb) {
- kfree(reg);
- return;
- }
-
- data_urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!data_urb) {
- kfree(reg);
- usb_free_urb(int_urb);
- return;
- }
-
- reg->port = cpu_to_le16(NET2280_DEV_U32);
- reg->addr = cpu_to_le32(P54U_DEV_BASE);
- reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA);
-
- len += sizeof(*data);
- hdr = (void *)data - sizeof(*hdr);
- memset(hdr, 0, sizeof(*hdr));
- hdr->device_addr = data->req_id;
- hdr->len = cpu_to_le16(len);
-
- usb_fill_bulk_urb(int_urb, priv->udev,
- usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg),
- p54u_tx_free_cb, dev);
- usb_submit_urb(int_urb, GFP_ATOMIC);
-
- usb_fill_bulk_urb(data_urb, priv->udev,
- usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), hdr, len + sizeof(*hdr),
- free_on_tx ? p54u_tx_free_cb : p54u_tx_cb, dev);
- usb_submit_urb(data_urb, GFP_ATOMIC);
-}
-
-static int p54u_write(struct p54u_priv *priv,
- struct net2280_reg_write *buf,
- enum net2280_op_type type,
- __le32 addr, __le32 val)
-{
- unsigned int ep;
- int alen;
-
- if (type & 0x0800)
- ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV);
- else
- ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_BRG);
-
- buf->port = cpu_to_le16(type);
- buf->addr = addr;
- buf->val = val;
-
- return usb_bulk_msg(priv->udev, ep, buf, sizeof(*buf), &alen, 1000);
-}
-
-static int p54u_read(struct p54u_priv *priv, void *buf,
- enum net2280_op_type type,
- __le32 addr, __le32 *val)
-{
- struct net2280_reg_read *read = buf;
- __le32 *reg = buf;
- unsigned int ep;
- int alen, err;
-
- if (type & 0x0800)
- ep = P54U_PIPE_DEV;
- else
- ep = P54U_PIPE_BRG;
-
- read->port = cpu_to_le16(type);
- read->addr = addr;
-
- err = usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep),
- read, sizeof(*read), &alen, 1000);
- if (err)
- return err;
-
- err = usb_bulk_msg(priv->udev, usb_rcvbulkpipe(priv->udev, ep),
- reg, sizeof(*reg), &alen, 1000);
- if (err)
- return err;
-
- *val = *reg;
- return 0;
-}
-
-static int p54u_bulk_msg(struct p54u_priv *priv, unsigned int ep,
- void *data, size_t len)
-{
- int alen;
- return usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep),
- data, len, &alen, 2000);
-}
-
-static int p54u_read_eeprom(struct ieee80211_hw *dev)
-{
- struct p54u_priv *priv = dev->priv;
- void *buf;
- struct p54_control_hdr *hdr;
- int err, alen;
- size_t offset = priv->hw_type ? 0x10 : 0x20;
-
- buf = kmalloc(0x2020, GFP_KERNEL);
- if (!buf) {
- printk(KERN_ERR "prism54usb: cannot allocate memory for"
- "eeprom readback!\n");
- return -ENOMEM;
- }
-
- if (priv->hw_type) {
- *((u32 *) buf) = priv->common.rx_start;
- err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32));
- if (err) {
- printk(KERN_ERR "prism54usb: addr send failed\n");
- goto fail;
- }
- } else {
- struct net2280_reg_write *reg = buf;
- reg->port = cpu_to_le16(NET2280_DEV_U32);
- reg->addr = cpu_to_le32(P54U_DEV_BASE);
- reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA);
- err = p54u_bulk_msg(priv, P54U_PIPE_DEV, buf, sizeof(*reg));
- if (err) {
- printk(KERN_ERR "prism54usb: dev_int send failed\n");
- goto fail;
- }
- }
-
- hdr = buf + priv->common.tx_hdr_len;
- p54_fill_eeprom_readback(hdr);
- hdr->req_id = cpu_to_le32(priv->common.rx_start);
- if (priv->common.tx_hdr_len) {
- struct net2280_tx_hdr *tx_hdr = buf;
- tx_hdr->device_addr = hdr->req_id;
- tx_hdr->len = cpu_to_le16(EEPROM_READBACK_LEN);
- }
-
- /* we can just pretend to send 0x2000 bytes of nothing in the headers */
- err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf,
- EEPROM_READBACK_LEN + priv->common.tx_hdr_len);
- if (err) {
- printk(KERN_ERR "prism54usb: eeprom req send failed\n");
- goto fail;
- }
-
- err = usb_bulk_msg(priv->udev,
- usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA),
- buf, 0x2020, &alen, 1000);
- if (!err && alen > offset) {
- p54_parse_eeprom(dev, (u8 *)buf + offset, alen - offset);
- } else {
- printk(KERN_ERR "prism54usb: eeprom read failed!\n");
- err = -EINVAL;
- goto fail;
- }
-
- fail:
- kfree(buf);
- return err;
-}
-
-static int p54u_upload_firmware_3887(struct ieee80211_hw *dev)
-{
- static char start_string[] = "~~~~<\r";
- struct p54u_priv *priv = dev->priv;
- const struct firmware *fw_entry = NULL;
- int err, alen;
- u8 carry = 0;
- u8 *buf, *tmp, *data;
- unsigned int left, remains, block_size;
- struct x2_header *hdr;
- unsigned long timeout;
-
- tmp = buf = kmalloc(P54U_FW_BLOCK, GFP_KERNEL);
- if (!buf) {
- printk(KERN_ERR "p54usb: cannot allocate firmware upload buffer!\n");
- err = -ENOMEM;
- goto err_bufalloc;
- }
-
- memcpy(buf, start_string, 4);
- err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, 4);
- if (err) {
- printk(KERN_ERR "p54usb: reset failed! (%d)\n", err);
- goto err_reset;
- }
-
- err = request_firmware(&fw_entry, "isl3887usb_bare", &priv->udev->dev);
- if (err) {
- printk(KERN_ERR "p54usb: cannot find firmware (isl3887usb_bare)!\n");
- goto err_req_fw_failed;
- }
-
- p54_parse_firmware(dev, fw_entry);
-
- left = block_size = min((size_t)P54U_FW_BLOCK, fw_entry->size);
- strcpy(buf, start_string);
- left -= strlen(start_string);
- tmp += strlen(start_string);
-
- data = fw_entry->data;
- remains = fw_entry->size;
-
- hdr = (struct x2_header *)(buf + strlen(start_string));
- memcpy(hdr->signature, X2_SIGNATURE, X2_SIGNATURE_SIZE);
- hdr->fw_load_addr = cpu_to_le32(ISL38XX_DEV_FIRMWARE_ADDR);
- hdr->fw_length = cpu_to_le32(fw_entry->size);
- hdr->crc = cpu_to_le32(~crc32_le(~0, (void *)&hdr->fw_load_addr,
- sizeof(u32)*2));
- left -= sizeof(*hdr);
- tmp += sizeof(*hdr);
-
- while (remains) {
- while (left--) {
- if (carry) {
- *tmp++ = carry;
- carry = 0;
- remains--;
- continue;
- }
- switch (*data) {
- case '~':
- *tmp++ = '}';
- carry = '^';
- break;
- case '}':
- *tmp++ = '}';
- carry = ']';
- break;
- default:
- *tmp++ = *data;
- remains--;
- break;
- }
- data++;
- }
-
- err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_size);
- if (err) {
- printk(KERN_ERR "prism54usb: firmware upload failed!\n");
- goto err_upload_failed;
- }
-
- tmp = buf;
- left = block_size = min((unsigned int)P54U_FW_BLOCK, remains);
- }
-
- *((__le32 *)buf) = cpu_to_le32(~crc32_le(~0, fw_entry->data, fw_entry->size));
- err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32));
- if (err) {
- printk(KERN_ERR "prism54usb: firmware upload failed!\n");
- goto err_upload_failed;
- }
-
- timeout = jiffies + msecs_to_jiffies(1000);
- while (!(err = usb_bulk_msg(priv->udev,
- usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) {
- if (alen > 2 && !memcmp(buf, "OK", 2))
- break;
-
- if (alen > 5 && !memcmp(buf, "ERROR", 5)) {
- printk(KERN_INFO "prism54usb: firmware upload failed!\n");
- err = -EINVAL;
- break;
- }
-
- if (time_after(jiffies, timeout)) {
- printk(KERN_ERR "prism54usb: firmware boot timed out!\n");
- err = -ETIMEDOUT;
- break;
- }
- }
- if (err)
- goto err_upload_failed;
-
- buf[0] = 'g';
- buf[1] = '\r';
- err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, 2);
- if (err) {
- printk(KERN_ERR "prism54usb: firmware boot failed!\n");
- goto err_upload_failed;
- }
-
- timeout = jiffies + msecs_to_jiffies(1000);
- while (!(err = usb_bulk_msg(priv->udev,
- usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) {
- if (alen > 0 && buf[0] == 'g')
- break;
-
- if (time_after(jiffies, timeout)) {
- err = -ETIMEDOUT;
- break;
- }
- }
- if (err)
- goto err_upload_failed;
-
- err_upload_failed:
- release_firmware(fw_entry);
- err_req_fw_failed:
- err_reset:
- kfree(buf);
- err_bufalloc:
- return err;
-}
-
-static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev)
-{
- struct p54u_priv *priv = dev->priv;
- const struct firmware *fw_entry = NULL;
- const struct p54p_csr *devreg = (const struct p54p_csr *) P54U_DEV_BASE;
- int err, alen;
- void *buf;
- __le32 reg;
- unsigned int remains, offset;
- u8 *data;
-
- buf = kmalloc(512, GFP_KERNEL);
- if (!buf) {
- printk(KERN_ERR "p54usb: firmware buffer alloc failed!\n");
- return -ENOMEM;
- }
-
- err = request_firmware(&fw_entry, "isl3890usb", &priv->udev->dev);
- if (err) {
- printk(KERN_ERR "p54usb: cannot find firmware (isl3890usb)!\n");
- kfree(buf);
- return err;
- }
-
- p54_parse_firmware(dev, fw_entry);
-
-#define P54U_WRITE(type, addr, data) \
- do {\
- err = p54u_write(priv, buf, type,\
- cpu_to_le32((u32)(unsigned long)addr), data);\
- if (err) \
- goto fail;\
- } while (0)
-
-#define P54U_READ(type, addr) \
- do {\
- err = p54u_read(priv, buf, type,\
- cpu_to_le32((u32)(unsigned long)addr), &reg);\
- if (err)\
- goto fail;\
- } while (0)
-
- /* power down net2280 bridge */
- P54U_READ(NET2280_BRG_U32, NET2280_GPIOCTL);
- reg |= cpu_to_le32(P54U_BRG_POWER_DOWN);
- reg &= cpu_to_le32(~P54U_BRG_POWER_UP);
- P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg);
-
- mdelay(100);
-
- /* power up bridge */
- reg |= cpu_to_le32(P54U_BRG_POWER_UP);
- reg &= cpu_to_le32(~P54U_BRG_POWER_DOWN);
- P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg);
-
- mdelay(100);
-
- P54U_WRITE(NET2280_BRG_U32, NET2280_DEVINIT,
- cpu_to_le32(NET2280_CLK_30Mhz |
- NET2280_PCI_ENABLE |
- NET2280_PCI_SOFT_RESET));
-
- mdelay(20);
-
- P54U_WRITE(NET2280_BRG_CFG_U16, PCI_COMMAND,
- cpu_to_le32(PCI_COMMAND_MEMORY |
- PCI_COMMAND_MASTER));
-
- P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_0,
- cpu_to_le32(NET2280_BASE));
-
- P54U_READ(NET2280_BRG_CFG_U16, PCI_STATUS);
- reg |= cpu_to_le32(PCI_STATUS_REC_MASTER_ABORT);
- P54U_WRITE(NET2280_BRG_CFG_U16, PCI_STATUS, reg);
-
- // TODO: we really need this?
- P54U_READ(NET2280_BRG_U32, NET2280_RELNUM);
-
- P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_RSP,
- cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE));
- P54U_WRITE(NET2280_BRG_U32, NET2280_EPC_RSP,
- cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE));
-
- P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_2,
- cpu_to_le32(NET2280_BASE2));
-
- /* finally done setting up the bridge */
-
- P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | PCI_COMMAND,
- cpu_to_le32(PCI_COMMAND_MEMORY |
- PCI_COMMAND_MASTER));
-
- P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | 0x40 /* TRDY timeout */, 0);
- P54U_WRITE(NET2280_DEV_CFG_U32, 0x10000 | PCI_BASE_ADDRESS_0,
- cpu_to_le32(P54U_DEV_BASE));
-
- P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0);
- P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1,
- cpu_to_le32(NET2280_PCI_INTA_INTERRUPT));
-
- /* do romboot */
- P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable, 0);
-
- P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat);
- reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
- reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RAMBOOT);
- reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN);
- P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
-
- mdelay(20);
-
- reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET);
- P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
-
- mdelay(20);
-
- reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
- P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
-
- mdelay(100);
-
- P54U_READ(NET2280_DEV_U32, &devreg->int_ident);
- P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg);
-
- /* finally, we can upload firmware now! */
- remains = fw_entry->size;
- data = fw_entry->data;
- offset = ISL38XX_DEV_FIRMWARE_ADDR;
-
- while (remains) {
- unsigned int block_len = min(remains, (unsigned int)512);
- memcpy(buf, data, block_len);
-
- err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_len);
- if (err) {
- printk(KERN_ERR "prism54usb: firmware block upload "
- "failed\n");
- goto fail;
- }
-
- P54U_WRITE(NET2280_DEV_U32, &devreg->direct_mem_base,
- cpu_to_le32(0xc0000f00));
-
- P54U_WRITE(NET2280_DEV_U32,
- 0x0020 | (unsigned long)&devreg->direct_mem_win, 0);
- P54U_WRITE(NET2280_DEV_U32,
- 0x0020 | (unsigned long)&devreg->direct_mem_win,
- cpu_to_le32(1));
-
- P54U_WRITE(NET2280_DEV_U32,
- 0x0024 | (unsigned long)&devreg->direct_mem_win,
- cpu_to_le32(block_len));
- P54U_WRITE(NET2280_DEV_U32,
- 0x0028 | (unsigned long)&devreg->direct_mem_win,
- cpu_to_le32(offset));
-
- P54U_WRITE(NET2280_DEV_U32, &devreg->dma_addr,
- cpu_to_le32(NET2280_EPA_FIFO_PCI_ADDR));
- P54U_WRITE(NET2280_DEV_U32, &devreg->dma_len,
- cpu_to_le32(block_len >> 2));
- P54U_WRITE(NET2280_DEV_U32, &devreg->dma_ctrl,
- cpu_to_le32(ISL38XX_DMA_MASTER_CONTROL_TRIGGER));
-
- mdelay(10);
-
- P54U_READ(NET2280_DEV_U32,
- 0x002C | (unsigned long)&devreg->direct_mem_win);
- if (!(reg & cpu_to_le32(ISL38XX_DMA_STATUS_DONE)) ||
- !(reg & cpu_to_le32(ISL38XX_DMA_STATUS_READY))) {
- printk(KERN_ERR "prism54usb: firmware DMA transfer "
- "failed\n");
- goto fail;
- }
-
- P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_STAT,
- cpu_to_le32(NET2280_FIFO_FLUSH));
-
- remains -= block_len;
- data += block_len;
- offset += block_len;
- }
-
- /* do ramboot */
- P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat);
- reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
- reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN);
- reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RAMBOOT);
- P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
-
- mdelay(20);
-
- reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET);
- P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
-
- reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
- P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
-
- mdelay(100);
-
- P54U_READ(NET2280_DEV_U32, &devreg->int_ident);
- P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg);
-
- /* start up the firmware */
- P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable,
- cpu_to_le32(ISL38XX_INT_IDENT_INIT));
-
- P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1,
- cpu_to_le32(NET2280_PCI_INTA_INTERRUPT));
-
- P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1,
- cpu_to_le32(NET2280_PCI_INTA_INTERRUPT_ENABLE |
- NET2280_USB_INTERRUPT_ENABLE));
-
- P54U_WRITE(NET2280_DEV_U32, &devreg->dev_int,
- cpu_to_le32(ISL38XX_DEV_INT_RESET));
-
- err = usb_interrupt_msg(priv->udev,
- usb_rcvbulkpipe(priv->udev, P54U_PIPE_INT),
- buf, sizeof(__le32), &alen, 1000);
- if (err || alen != sizeof(__le32))
- goto fail;
-
- P54U_READ(NET2280_DEV_U32, &devreg->int_ident);
- P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg);
-
- if (!(reg & cpu_to_le32(ISL38XX_INT_IDENT_INIT)))
- err = -EINVAL;
-
- P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0);
- P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1,
- cpu_to_le32(NET2280_PCI_INTA_INTERRUPT));
-
-#undef P54U_WRITE
-#undef P54U_READ
-
- fail:
- release_firmware(fw_entry);
- kfree(buf);
- return err;
-}
-
-static int p54u_open(struct ieee80211_hw *dev)
-{
- struct p54u_priv *priv = dev->priv;
- int err;
-
- err = p54u_init_urbs(dev);
- if (err) {
- return err;
- }
-
- priv->common.open = p54u_init_urbs;
-
- return 0;
-}
-
-static void p54u_stop(struct ieee80211_hw *dev)
-{
- /* TODO: figure out how to reliably stop the 3887 and net2280 so
- the hardware is still usable next time we want to start it.
- until then, we just stop listening to the hardware.. */
- p54u_free_urbs(dev);
- return;
-}
-
-static int __devinit p54u_probe(struct usb_interface *intf,
- const struct usb_device_id *id)
-{
- struct usb_device *udev = interface_to_usbdev(intf);
- struct ieee80211_hw *dev;
- struct p54u_priv *priv;
- int err;
- unsigned int i, recognized_pipes;
-
- dev = p54_init_common(sizeof(*priv));
- if (!dev) {
- printk(KERN_ERR "prism54usb: ieee80211 alloc failed\n");
- return -ENOMEM;
- }
-
- priv = dev->priv;
-
- SET_IEEE80211_DEV(dev, &intf->dev);
- usb_set_intfdata(intf, dev);
- priv->udev = udev;
-
- usb_get_dev(udev);
-
- /* really lazy and simple way of figuring out if we're a 3887 */
- /* TODO: should just stick the identification in the device table */
- i = intf->altsetting->desc.bNumEndpoints;
- recognized_pipes = 0;
- while (i--) {
- switch (intf->altsetting->endpoint[i].desc.bEndpointAddress) {
- case P54U_PIPE_DATA:
- case P54U_PIPE_MGMT:
- case P54U_PIPE_BRG:
- case P54U_PIPE_DEV:
- case P54U_PIPE_DATA | USB_DIR_IN:
- case P54U_PIPE_MGMT | USB_DIR_IN:
- case P54U_PIPE_BRG | USB_DIR_IN:
- case P54U_PIPE_DEV | USB_DIR_IN:
- case P54U_PIPE_INT | USB_DIR_IN:
- recognized_pipes++;
- }
- }
- priv->common.open = p54u_open;
-
- if (recognized_pipes < P54U_PIPE_NUMBER) {
- priv->hw_type = P54U_3887;
- priv->common.tx = p54u_tx_3887;
- } else {
- dev->extra_tx_headroom += sizeof(struct net2280_tx_hdr);
- priv->common.tx_hdr_len = sizeof(struct net2280_tx_hdr);
- priv->common.tx = p54u_tx_net2280;
- }
- priv->common.stop = p54u_stop;
-
- if (priv->hw_type)
- err = p54u_upload_firmware_3887(dev);
- else
- err = p54u_upload_firmware_net2280(dev);
- if (err)
- goto err_free_dev;
-
- err = p54u_read_eeprom(dev);
- if (err)
- goto err_free_dev;
-
- if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
- u8 perm_addr[ETH_ALEN];
-
- printk(KERN_WARNING "prism54usb: Invalid hwaddr! Using randomly generated MAC addr\n");
- random_ether_addr(perm_addr);
- SET_IEEE80211_PERM_ADDR(dev, perm_addr);
- }
-
- skb_queue_head_init(&priv->rx_queue);
-
- err = ieee80211_register_hw(dev);
- if (err) {
- printk(KERN_ERR "prism54usb: Cannot register netdevice\n");
- goto err_free_dev;
- }
-
- printk(KERN_INFO "%s: hwaddr " MAC_FMT ", isl38%02x\n",
- wiphy_name(dev->wiphy), MAC_ARG(dev->wiphy->perm_addr),
- priv->common.version);
-
- return 0;
-
- err_free_dev:
- ieee80211_free_hw(dev);
- usb_set_intfdata(intf, NULL);
- usb_put_dev(udev);
- return err;
-}
-
-static void __devexit p54u_disconnect(struct usb_interface *intf)
-{
- struct ieee80211_hw *dev = usb_get_intfdata(intf);
- struct p54u_priv *priv;
-
- if (!dev)
- return;
-
- ieee80211_unregister_hw(dev);
-
- priv = dev->priv;
- usb_put_dev(interface_to_usbdev(intf));
- p54_free_common(dev);
- ieee80211_free_hw(dev);
-}
-
-static struct usb_driver p54u_driver = {
- .name = "prism54usb",
- .id_table = p54u_table,
- .probe = p54u_probe,
- .disconnect = p54u_disconnect,
-};
-
-static int __init p54u_init(void)
-{
- return usb_register(&p54u_driver);
-}
-
-static void __exit p54u_exit(void)
-{
- usb_deregister(&p54u_driver);
-}
-
-module_init(p54u_init);
-module_exit(p54u_exit);