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authorKalle Valo <kvalo@codeaurora.org>2015-11-18 09:49:59 +0200
committerKalle Valo <kvalo@codeaurora.org>2015-11-18 14:28:31 +0200
commitd3466830c165a298419788b88086ea99974e63ff (patch)
tree5621c36a3a051495678dc816c888f3fe149ed125 /drivers/net/wireless/p54/p54usb.c
parenthostap: move under intersil vendor directory (diff)
downloadlinux-dev-d3466830c165a298419788b88086ea99974e63ff.tar.xz
linux-dev-d3466830c165a298419788b88086ea99974e63ff.zip
p54: move under intersil vendor directory
Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/p54/p54usb.c')
-rw-r--r--drivers/net/wireless/p54/p54usb.c1149
1 files changed, 0 insertions, 1149 deletions
diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c
deleted file mode 100644
index 043bd1c23c19..000000000000
--- a/drivers/net/wireless/p54/p54usb.c
+++ /dev/null
@@ -1,1149 +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/usb.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <linux/firmware.h>
-#include <linux/etherdevice.h>
-#include <linux/delay.h>
-#include <linux/crc32.h>
-#include <linux/module.h>
-#include <net/mac80211.h>
-
-#include "p54.h"
-#include "lmac.h"
-#include "p54usb.h"
-
-MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
-MODULE_DESCRIPTION("Prism54 USB wireless driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("prism54usb");
-MODULE_FIRMWARE("isl3886usb");
-MODULE_FIRMWARE("isl3887usb");
-
-/*
- * Note:
- *
- * Always update our wiki's device list (located at:
- * http://wireless.kernel.org/en/users/Drivers/p54/devices ),
- * whenever you add a new device.
- */
-
-static struct usb_device_id p54u_table[] = {
- /* Version 1 devices (pci chip + net2280) */
- {USB_DEVICE(0x0411, 0x0050)}, /* Buffalo WLI2-USB2-G54 */
- {USB_DEVICE(0x045e, 0x00c2)}, /* Microsoft MN-710 */
- {USB_DEVICE(0x0506, 0x0a11)}, /* 3COM 3CRWE254G72 */
- {USB_DEVICE(0x0675, 0x0530)}, /* DrayTek Vigor 530 */
- {USB_DEVICE(0x06b9, 0x0120)}, /* Thomson SpeedTouch 120g */
- {USB_DEVICE(0x0707, 0xee06)}, /* SMC 2862W-G */
- {USB_DEVICE(0x07aa, 0x001c)}, /* Corega CG-WLUSB2GT */
- {USB_DEVICE(0x083a, 0x4501)}, /* Accton 802.11g WN4501 USB */
- {USB_DEVICE(0x083a, 0x4502)}, /* Siemens Gigaset USB Adapter */
- {USB_DEVICE(0x083a, 0x5501)}, /* Phillips CPWUA054 */
- {USB_DEVICE(0x0846, 0x4200)}, /* Netgear WG121 */
- {USB_DEVICE(0x0846, 0x4210)}, /* Netgear WG121 the second ? */
- {USB_DEVICE(0x0846, 0x4220)}, /* Netgear WG111 */
- {USB_DEVICE(0x09aa, 0x1000)}, /* Spinnaker Proto board */
- {USB_DEVICE(0x0bf8, 0x1007)}, /* Fujitsu E-5400 USB */
- {USB_DEVICE(0x0cde, 0x0006)}, /* Medion 40900, Roper Europe */
- {USB_DEVICE(0x0db0, 0x6826)}, /* MSI UB54G (MS-6826) */
- {USB_DEVICE(0x107b, 0x55f2)}, /* Gateway WGU-210 (Gemtek) */
- {USB_DEVICE(0x124a, 0x4023)}, /* Shuttle PN15, Airvast WM168g, IOGear GWU513 */
- {USB_DEVICE(0x1435, 0x0210)}, /* Inventel UR054G */
- {USB_DEVICE(0x15a9, 0x0002)}, /* Gemtek WUBI-100GW 802.11g */
- {USB_DEVICE(0x1630, 0x0005)}, /* 2Wire 802.11g USB (v1) / Z-Com */
- {USB_DEVICE(0x182d, 0x096b)}, /* Sitecom WL-107 */
- {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(0x2001, 0x3762)}, /* Conceptronic C54U */
- {USB_DEVICE(0x5041, 0x2234)}, /* Linksys WUSB54G */
- {USB_DEVICE(0x5041, 0x2235)}, /* Linksys WUSB54G Portable */
-
- /* Version 2 devices (3887) */
- {USB_DEVICE(0x0471, 0x1230)}, /* Philips CPWUA054/00 */
- {USB_DEVICE(0x050d, 0x7050)}, /* Belkin F5D7050 ver 1000 */
- {USB_DEVICE(0x0572, 0x2000)}, /* Cohiba Proto board */
- {USB_DEVICE(0x0572, 0x2002)}, /* Cohiba Proto board */
- {USB_DEVICE(0x06a9, 0x000e)}, /* Westell 802.11g USB (A90-211WG-01) */
- {USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */
- {USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */
- {USB_DEVICE(0x07aa, 0x0020)}, /* Corega WLUSB2GTST USB */
- {USB_DEVICE(0x0803, 0x4310)}, /* Zoom 4410a */
- {USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */
- {USB_DEVICE(0x083a, 0x4531)}, /* T-Com Sinus 154 data II */
- {USB_DEVICE(0x083a, 0xc501)}, /* Zoom Wireless-G 4410 */
- {USB_DEVICE(0x083a, 0xf503)}, /* Accton FD7050E ver 1010ec */
- {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 already listed above,
- * just noting it here for clarity */
- {USB_DEVICE(0x0cde, 0x0008)}, /* Sagem XG703A */
- {USB_DEVICE(0x0cde, 0x0015)}, /* Zcomax XG-705A */
- {USB_DEVICE(0x0d8e, 0x3762)}, /* DLink DWL-G120 Cohiba */
- {USB_DEVICE(0x124a, 0x4025)}, /* IOGear GWU513 (GW3887IK chip) */
- {USB_DEVICE(0x1260, 0xee22)}, /* SMC 2862W-G version 2 */
- {USB_DEVICE(0x13b1, 0x000a)}, /* Linksys WUSB54G ver 2 */
- {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */
- {USB_DEVICE(0x1413, 0x5400)}, /* Telsey 802.11g USB2.0 Adapter */
- {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */
- /* {USB_DEVICE(0x15a9, 0x0002)}, * Also SparkLAN WL-682 with 3887 */
- {USB_DEVICE(0x1668, 0x1050)}, /* Actiontec 802UIG-1 */
- {USB_DEVICE(0x1740, 0x1000)}, /* Senao NUB-350 */
- {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */
- {USB_DEVICE(0x2001, 0x3705)}, /* D-Link DWL-G120 rev C1 */
- {USB_DEVICE(0x413c, 0x5513)}, /* Dell WLA3310 USB Wireless Adapter */
- {USB_DEVICE(0x413c, 0x8102)}, /* Spinnaker DUT */
- {USB_DEVICE(0x413c, 0x8104)}, /* Cohiba Proto board */
- {}
-};
-
-MODULE_DEVICE_TABLE(usb, p54u_table);
-
-static const struct {
- u32 intf;
- enum p54u_hw_type type;
- const char *fw;
- char hw[20];
-} p54u_fwlist[__NUM_P54U_HWTYPES] = {
- {
- .type = P54U_NET2280,
- .intf = FW_LM86,
- .fw = "isl3886usb",
- .hw = "ISL3886 + net2280",
- },
- {
- .type = P54U_3887,
- .intf = FW_LM87,
- .fw = "isl3887usb",
- .hw = "ISL3887",
- },
-};
-
-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;
-
- skb_unlink(skb, &priv->rx_queue);
-
- if (unlikely(urb->status)) {
- dev_kfree_skb_irq(skb);
- return;
- }
-
- skb_put(skb, urb->actual_length);
-
- if (priv->hw_type == P54U_NET2280)
- skb_pull(skb, priv->common.tx_hdr_len);
- if (priv->common.fw_interface == FW_LM87) {
- skb_pull(skb, 4);
- skb_put(skb, 4);
- }
-
- if (p54_rx(dev, skb)) {
- skb = dev_alloc_skb(priv->common.rx_mtu + 32);
- if (unlikely(!skb)) {
- /* 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;
- } else {
- if (priv->hw_type == P54U_NET2280)
- skb_push(skb, priv->common.tx_hdr_len);
- if (priv->common.fw_interface == FW_LM87) {
- skb_push(skb, 4);
- skb_put(skb, 4);
- }
- skb_reset_tail_pointer(skb);
- skb_trim(skb, 0);
- urb->transfer_buffer = skb_tail_pointer(skb);
- }
- skb_queue_tail(&priv->rx_queue, skb);
- usb_anchor_urb(urb, &priv->submitted);
- if (usb_submit_urb(urb, GFP_ATOMIC)) {
- skb_unlink(skb, &priv->rx_queue);
- usb_unanchor_urb(urb);
- dev_kfree_skb_irq(skb);
- }
-}
-
-static void p54u_tx_cb(struct urb *urb)
-{
- struct sk_buff *skb = urb->context;
- struct ieee80211_hw *dev =
- usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
-
- p54_free_skb(dev, skb);
-}
-
-static void p54u_tx_dummy_cb(struct urb *urb) { }
-
-static void p54u_free_urbs(struct ieee80211_hw *dev)
-{
- struct p54u_priv *priv = dev->priv;
- usb_kill_anchored_urbs(&priv->submitted);
-}
-
-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);
-}
-
-static int p54u_init_urbs(struct ieee80211_hw *dev)
-{
- struct p54u_priv *priv = dev->priv;
- struct urb *entry = NULL;
- struct sk_buff *skb;
- struct p54u_rx_info *info;
- int ret = 0;
-
- while (skb_queue_len(&priv->rx_queue) < 32) {
- skb = __dev_alloc_skb(priv->common.rx_mtu + 32, GFP_KERNEL);
- if (!skb) {
- ret = -ENOMEM;
- goto err;
- }
- entry = usb_alloc_urb(0, GFP_KERNEL);
- if (!entry) {
- ret = -ENOMEM;
- goto err;
- }
-
- usb_fill_bulk_urb(entry, priv->udev,
- usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA),
- skb_tail_pointer(skb),
- priv->common.rx_mtu + 32, 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_anchor_urb(entry, &priv->submitted);
- ret = usb_submit_urb(entry, GFP_KERNEL);
- if (ret) {
- skb_unlink(skb, &priv->rx_queue);
- usb_unanchor_urb(entry);
- goto err;
- }
- usb_free_urb(entry);
- entry = NULL;
- }
-
- return 0;
-
- err:
- usb_free_urb(entry);
- kfree_skb(skb);
- p54u_free_urbs(dev);
- return ret;
-}
-
-static int p54u_open(struct ieee80211_hw *dev)
-{
- /*
- * TODO: Because we don't know how to reliably stop the 3887 and
- * the isl3886+net2280, other than brutally cut off all
- * communications. We have to reinitialize the urbs on every start.
- */
- return p54u_init_urbs(dev);
-}
-
-static __le32 p54u_lm87_chksum(const __le32 *data, size_t length)
-{
- u32 chk = 0;
-
- length >>= 2;
- while (length--) {
- chk ^= le32_to_cpu(*data++);
- chk = (chk >> 5) ^ (chk << 3);
- }
-
- return cpu_to_le32(chk);
-}
-
-static void p54u_tx_lm87(struct ieee80211_hw *dev, struct sk_buff *skb)
-{
- struct p54u_priv *priv = dev->priv;
- struct urb *data_urb;
- struct lm87_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr);
-
- data_urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!data_urb) {
- p54_free_skb(dev, skb);
- return;
- }
-
- hdr->chksum = p54u_lm87_chksum((__le32 *)skb->data, skb->len);
- hdr->device_addr = ((struct p54_hdr *)skb->data)->req_id;
-
- usb_fill_bulk_urb(data_urb, priv->udev,
- usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA),
- hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ?
- p54u_tx_cb : p54u_tx_dummy_cb, skb);
- data_urb->transfer_flags |= URB_ZERO_PACKET;
-
- usb_anchor_urb(data_urb, &priv->submitted);
- if (usb_submit_urb(data_urb, GFP_ATOMIC)) {
- usb_unanchor_urb(data_urb);
- p54_free_skb(dev, skb);
- }
- usb_free_urb(data_urb);
-}
-
-static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb)
-{
- struct p54u_priv *priv = dev->priv;
- struct urb *int_urb = NULL, *data_urb = NULL;
- struct net2280_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr);
- struct net2280_reg_write *reg = NULL;
- int err = -ENOMEM;
-
- reg = kmalloc(sizeof(*reg), GFP_ATOMIC);
- if (!reg)
- goto out;
-
- int_urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!int_urb)
- goto out;
-
- data_urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!data_urb)
- goto out;
-
- 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);
-
- memset(hdr, 0, sizeof(*hdr));
- hdr->len = cpu_to_le16(skb->len);
- hdr->device_addr = ((struct p54_hdr *) skb->data)->req_id;
-
- usb_fill_bulk_urb(int_urb, priv->udev,
- usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg),
- p54u_tx_dummy_cb, dev);
-
- /*
- * URB_FREE_BUFFER triggers a code path in the USB subsystem that will
- * free what is inside the transfer_buffer after the last reference to
- * the int_urb is dropped.
- */
- int_urb->transfer_flags |= URB_FREE_BUFFER | URB_ZERO_PACKET;
- reg = NULL;
-
- usb_fill_bulk_urb(data_urb, priv->udev,
- usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA),
- hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ?
- p54u_tx_cb : p54u_tx_dummy_cb, skb);
- data_urb->transfer_flags |= URB_ZERO_PACKET;
-
- usb_anchor_urb(int_urb, &priv->submitted);
- err = usb_submit_urb(int_urb, GFP_ATOMIC);
- if (err) {
- usb_unanchor_urb(int_urb);
- goto out;
- }
-
- usb_anchor_urb(data_urb, &priv->submitted);
- err = usb_submit_urb(data_urb, GFP_ATOMIC);
- if (err) {
- usb_unanchor_urb(data_urb);
- goto out;
- }
-out:
- usb_free_urb(int_urb);
- usb_free_urb(data_urb);
-
- if (err) {
- kfree(reg);
- p54_free_skb(dev, skb);
- }
-}
-
-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_device_reset(struct ieee80211_hw *dev)
-{
- struct p54u_priv *priv = dev->priv;
- int ret, lock = (priv->intf->condition != USB_INTERFACE_BINDING);
-
- if (lock) {
- ret = usb_lock_device_for_reset(priv->udev, priv->intf);
- if (ret < 0) {
- dev_err(&priv->udev->dev, "(p54usb) unable to lock "
- "device for reset (%d)!\n", ret);
- return ret;
- }
- }
-
- ret = usb_reset_device(priv->udev);
- if (lock)
- usb_unlock_device(priv->udev);
-
- if (ret)
- dev_err(&priv->udev->dev, "(p54usb) unable to reset "
- "device (%d)!\n", ret);
-
- return ret;
-}
-
-static const char p54u_romboot_3887[] = "~~~~";
-static int p54u_firmware_reset_3887(struct ieee80211_hw *dev)
-{
- struct p54u_priv *priv = dev->priv;
- u8 *buf;
- int ret;
-
- buf = kmemdup(p54u_romboot_3887, 4, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
- ret = p54u_bulk_msg(priv, P54U_PIPE_DATA,
- buf, 4);
- kfree(buf);
- if (ret)
- dev_err(&priv->udev->dev, "(p54usb) unable to jump to "
- "boot ROM (%d)!\n", ret);
-
- return ret;
-}
-
-static const char p54u_firmware_upload_3887[] = "<\r";
-static int p54u_upload_firmware_3887(struct ieee80211_hw *dev)
-{
- struct p54u_priv *priv = dev->priv;
- int err, alen;
- u8 carry = 0;
- u8 *buf, *tmp;
- const u8 *data;
- unsigned int left, remains, block_size;
- struct x2_header *hdr;
- unsigned long timeout;
-
- err = p54u_firmware_reset_3887(dev);
- if (err)
- return err;
-
- tmp = buf = kmalloc(P54U_FW_BLOCK, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- left = block_size = min_t(size_t, P54U_FW_BLOCK, priv->fw->size);
- strcpy(buf, p54u_firmware_upload_3887);
- left -= strlen(p54u_firmware_upload_3887);
- tmp += strlen(p54u_firmware_upload_3887);
-
- data = priv->fw->data;
- remains = priv->fw->size;
-
- hdr = (struct x2_header *)(buf + strlen(p54u_firmware_upload_3887));
- 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(priv->fw->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) {
- dev_err(&priv->udev->dev, "(p54usb) 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, priv->fw->data,
- priv->fw->size));
- err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32));
- if (err) {
- dev_err(&priv->udev->dev, "(p54usb) 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)) {
- err = -EINVAL;
- break;
- }
-
- if (time_after(jiffies, timeout)) {
- dev_err(&priv->udev->dev, "(p54usb) firmware boot "
- "timed out!\n");
- err = -ETIMEDOUT;
- break;
- }
- }
- if (err) {
- dev_err(&priv->udev->dev, "(p54usb) firmware upload failed!\n");
- goto err_upload_failed;
- }
-
- buf[0] = 'g';
- buf[1] = '\r';
- err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, 2);
- if (err) {
- dev_err(&priv->udev->dev, "(p54usb) 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:
- kfree(buf);
- return err;
-}
-
-static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev)
-{
- struct p54u_priv *priv = dev->priv;
- const struct p54p_csr *devreg = (const struct p54p_csr *) P54U_DEV_BASE;
- int err, alen;
- void *buf;
- __le32 reg;
- unsigned int remains, offset;
- const u8 *data;
-
- buf = kmalloc(512, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
-#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 = priv->fw->size;
- data = priv->fw->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) {
- dev_err(&priv->udev->dev, "(p54usb) 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))) {
- dev_err(&priv->udev->dev, "(p54usb) 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:
- kfree(buf);
- return err;
-}
-
-static int p54_find_type(struct p54u_priv *priv)
-{
- int i;
-
- for (i = 0; i < __NUM_P54U_HWTYPES; i++)
- if (p54u_fwlist[i].type == priv->hw_type)
- break;
- if (i == __NUM_P54U_HWTYPES)
- return -EOPNOTSUPP;
-
- return i;
-}
-
-static int p54u_start_ops(struct p54u_priv *priv)
-{
- struct ieee80211_hw *dev = priv->common.hw;
- int ret;
-
- ret = p54_parse_firmware(dev, priv->fw);
- if (ret)
- goto err_out;
-
- ret = p54_find_type(priv);
- if (ret < 0)
- goto err_out;
-
- if (priv->common.fw_interface != p54u_fwlist[ret].intf) {
- dev_err(&priv->udev->dev, "wrong firmware, please get "
- "a firmware for \"%s\" and try again.\n",
- p54u_fwlist[ret].hw);
- ret = -ENODEV;
- goto err_out;
- }
-
- ret = priv->upload_fw(dev);
- if (ret)
- goto err_out;
-
- ret = p54u_open(dev);
- if (ret)
- goto err_out;
-
- ret = p54_read_eeprom(dev);
- if (ret)
- goto err_stop;
-
- p54u_stop(dev);
-
- ret = p54_register_common(dev, &priv->udev->dev);
- if (ret)
- goto err_stop;
-
- return 0;
-
-err_stop:
- p54u_stop(dev);
-
-err_out:
- /*
- * p54u_disconnect will do the rest of the
- * cleanup
- */
- return ret;
-}
-
-static void p54u_load_firmware_cb(const struct firmware *firmware,
- void *context)
-{
- struct p54u_priv *priv = context;
- struct usb_device *udev = priv->udev;
- int err;
-
- complete(&priv->fw_wait_load);
- if (firmware) {
- priv->fw = firmware;
- err = p54u_start_ops(priv);
- } else {
- err = -ENOENT;
- dev_err(&udev->dev, "Firmware not found.\n");
- }
-
- if (err) {
- struct device *parent = priv->udev->dev.parent;
-
- dev_err(&udev->dev, "failed to initialize device (%d)\n", err);
-
- if (parent)
- device_lock(parent);
-
- device_release_driver(&udev->dev);
- /*
- * At this point p54u_disconnect has already freed
- * the "priv" context. Do not use it anymore!
- */
- priv = NULL;
-
- if (parent)
- device_unlock(parent);
- }
-
- usb_put_dev(udev);
-}
-
-static int p54u_load_firmware(struct ieee80211_hw *dev,
- struct usb_interface *intf)
-{
- struct usb_device *udev = interface_to_usbdev(intf);
- struct p54u_priv *priv = dev->priv;
- struct device *device = &udev->dev;
- int err, i;
-
- BUILD_BUG_ON(ARRAY_SIZE(p54u_fwlist) != __NUM_P54U_HWTYPES);
-
- init_completion(&priv->fw_wait_load);
- i = p54_find_type(priv);
- if (i < 0)
- return i;
-
- dev_info(&priv->udev->dev, "Loading firmware file %s\n",
- p54u_fwlist[i].fw);
-
- usb_get_dev(udev);
- err = request_firmware_nowait(THIS_MODULE, 1, p54u_fwlist[i].fw,
- device, GFP_KERNEL, priv,
- p54u_load_firmware_cb);
- if (err) {
- dev_err(&priv->udev->dev, "(p54usb) cannot load firmware %s "
- "(%d)!\n", p54u_fwlist[i].fw, err);
- usb_put_dev(udev);
- }
-
- return err;
-}
-
-static int 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) {
- dev_err(&udev->dev, "(p54usb) ieee80211 alloc failed\n");
- return -ENOMEM;
- }
-
- priv = dev->priv;
- priv->hw_type = P54U_INVALID_HW;
-
- SET_IEEE80211_DEV(dev, &intf->dev);
- usb_set_intfdata(intf, dev);
- priv->udev = udev;
- priv->intf = intf;
- skb_queue_head_init(&priv->rx_queue);
- init_usb_anchor(&priv->submitted);
-
- 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;
- priv->common.stop = p54u_stop;
- if (recognized_pipes < P54U_PIPE_NUMBER) {
-#ifdef CONFIG_PM
- /* ISL3887 needs a full reset on resume */
- udev->reset_resume = 1;
-#endif /* CONFIG_PM */
- err = p54u_device_reset(dev);
-
- priv->hw_type = P54U_3887;
- dev->extra_tx_headroom += sizeof(struct lm87_tx_hdr);
- priv->common.tx_hdr_len = sizeof(struct lm87_tx_hdr);
- priv->common.tx = p54u_tx_lm87;
- priv->upload_fw = p54u_upload_firmware_3887;
- } else {
- priv->hw_type = P54U_NET2280;
- 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->upload_fw = p54u_upload_firmware_net2280;
- }
- err = p54u_load_firmware(dev, intf);
- if (err) {
- usb_put_dev(udev);
- p54_free_common(dev);
- }
- return err;
-}
-
-static void p54u_disconnect(struct usb_interface *intf)
-{
- struct ieee80211_hw *dev = usb_get_intfdata(intf);
- struct p54u_priv *priv;
-
- if (!dev)
- return;
-
- priv = dev->priv;
- wait_for_completion(&priv->fw_wait_load);
- p54_unregister_common(dev);
-
- usb_put_dev(interface_to_usbdev(intf));
- release_firmware(priv->fw);
- p54_free_common(dev);
-}
-
-static int p54u_pre_reset(struct usb_interface *intf)
-{
- struct ieee80211_hw *dev = usb_get_intfdata(intf);
-
- if (!dev)
- return -ENODEV;
-
- p54u_stop(dev);
- return 0;
-}
-
-static int p54u_resume(struct usb_interface *intf)
-{
- struct ieee80211_hw *dev = usb_get_intfdata(intf);
- struct p54u_priv *priv;
-
- if (!dev)
- return -ENODEV;
-
- priv = dev->priv;
- if (unlikely(!(priv->upload_fw && priv->fw)))
- return 0;
-
- return priv->upload_fw(dev);
-}
-
-static int p54u_post_reset(struct usb_interface *intf)
-{
- struct ieee80211_hw *dev = usb_get_intfdata(intf);
- struct p54u_priv *priv;
- int err;
-
- err = p54u_resume(intf);
- if (err)
- return err;
-
- /* reinitialize old device state */
- priv = dev->priv;
- if (priv->common.mode != NL80211_IFTYPE_UNSPECIFIED)
- ieee80211_restart_hw(dev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-
-static int p54u_suspend(struct usb_interface *intf, pm_message_t message)
-{
- return p54u_pre_reset(intf);
-}
-
-#endif /* CONFIG_PM */
-
-static struct usb_driver p54u_driver = {
- .name = "p54usb",
- .id_table = p54u_table,
- .probe = p54u_probe,
- .disconnect = p54u_disconnect,
- .pre_reset = p54u_pre_reset,
- .post_reset = p54u_post_reset,
-#ifdef CONFIG_PM
- .suspend = p54u_suspend,
- .resume = p54u_resume,
- .reset_resume = p54u_resume,
-#endif /* CONFIG_PM */
- .soft_unbind = 1,
- .disable_hub_initiated_lpm = 1,
-};
-
-module_usb_driver(p54u_driver);