Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file contains functions used in USB interface module. |
| 3 | */ |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 4 | |
| 5 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 6 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 7 | #include <linux/delay.h> |
Paul Gortmaker | ac5c24e9 | 2011-08-30 14:18:44 -0400 | [diff] [blame] | 8 | #include <linux/module.h> |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 9 | #include <linux/firmware.h> |
| 10 | #include <linux/netdevice.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 11 | #include <linux/slab.h> |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 12 | #include <linux/usb.h> |
Andres Salomon | 3bf9428 | 2012-07-11 01:16:29 -0700 | [diff] [blame] | 13 | #include <linux/olpc-ec.h> |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 14 | |
David Woodhouse | b77ec4c | 2008-05-20 16:48:52 +0100 | [diff] [blame] | 15 | #ifdef CONFIG_OLPC |
| 16 | #include <asm/olpc.h> |
| 17 | #endif |
| 18 | |
Holger Schurig | ec3eef2 | 2007-05-25 12:49:10 -0400 | [diff] [blame] | 19 | #define DRV_NAME "usb8xxx" |
| 20 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 21 | #include "host.h" |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 22 | #include "decl.h" |
| 23 | #include "defs.h" |
| 24 | #include "dev.h" |
Dan Williams | 14e865b | 2007-12-10 15:11:23 -0500 | [diff] [blame] | 25 | #include "cmd.h" |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 26 | #include "if_usb.h" |
| 27 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 28 | #define INSANEDEBUG 0 |
| 29 | #define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0) |
| 30 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 31 | #define MESSAGE_HEADER_LEN 4 |
| 32 | |
Dan Williams | 5cddea8 | 2010-08-07 21:13:57 -0500 | [diff] [blame] | 33 | MODULE_FIRMWARE("libertas/usb8388_v9.bin"); |
| 34 | MODULE_FIRMWARE("libertas/usb8388_v5.bin"); |
| 35 | MODULE_FIRMWARE("libertas/usb8388.bin"); |
| 36 | MODULE_FIRMWARE("libertas/usb8682.bin"); |
Ben Hutchings | a974a4b | 2009-11-07 22:00:03 +0000 | [diff] [blame] | 37 | MODULE_FIRMWARE("usb8388.bin"); |
| 38 | |
Dan Williams | 5cddea8 | 2010-08-07 21:13:57 -0500 | [diff] [blame] | 39 | enum { |
| 40 | MODEL_UNKNOWN = 0x0, |
| 41 | MODEL_8388 = 0x1, |
| 42 | MODEL_8682 = 0x2 |
| 43 | }; |
| 44 | |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 45 | /* table of firmware file names */ |
| 46 | static const struct lbs_fw_table fw_table[] = { |
| 47 | { MODEL_8388, "libertas/usb8388_olpc.bin", NULL }, |
| 48 | { MODEL_8388, "libertas/usb8388_v9.bin", NULL }, |
| 49 | { MODEL_8388, "libertas/usb8388_v5.bin", NULL }, |
| 50 | { MODEL_8388, "libertas/usb8388.bin", NULL }, |
| 51 | { MODEL_8388, "usb8388.bin", NULL }, |
| 52 | { MODEL_8682, "libertas/usb8682.bin", NULL } |
| 53 | }; |
| 54 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 55 | static struct usb_device_id if_usb_table[] = { |
| 56 | /* Enter the device signature inside */ |
Dan Williams | 5cddea8 | 2010-08-07 21:13:57 -0500 | [diff] [blame] | 57 | { USB_DEVICE(0x1286, 0x2001), .driver_info = MODEL_8388 }, |
| 58 | { USB_DEVICE(0x05a3, 0x8388), .driver_info = MODEL_8388 }, |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 59 | {} /* Terminating entry */ |
| 60 | }; |
| 61 | |
| 62 | MODULE_DEVICE_TABLE(usb, if_usb_table); |
| 63 | |
| 64 | static void if_usb_receive(struct urb *urb); |
| 65 | static void if_usb_receive_fwload(struct urb *urb); |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 66 | static void if_usb_prog_firmware(struct lbs_private *priv, int ret, |
| 67 | const struct firmware *fw, |
| 68 | const struct firmware *unused); |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 69 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
| 70 | uint8_t *payload, uint16_t nb); |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 71 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, |
| 72 | uint16_t nb); |
| 73 | static void if_usb_free(struct if_usb_card *cardp); |
| 74 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp); |
| 75 | static int if_usb_reset_device(struct if_usb_card *cardp); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 76 | |
| 77 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 78 | * if_usb_write_bulk_callback - callback function to handle the status |
| 79 | * of the URB |
| 80 | * @urb: pointer to &urb structure |
| 81 | * returns: N/A |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 82 | */ |
| 83 | static void if_usb_write_bulk_callback(struct urb *urb) |
| 84 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 85 | struct if_usb_card *cardp = (struct if_usb_card *) urb->context; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 86 | |
| 87 | /* handle the transmission complete validations */ |
| 88 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 89 | if (urb->status == 0) { |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 90 | struct lbs_private *priv = cardp->priv; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 91 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 92 | lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n"); |
| 93 | lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n", |
| 94 | urb->actual_length); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 95 | |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 96 | /* Boot commands such as UPDATE_FW and UPDATE_BOOT2 are not |
| 97 | * passed up to the lbs level. |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 98 | */ |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 99 | if (priv && priv->dnld_sent != DNLD_BOOTCMD_SENT) |
David Woodhouse | e775ed7 | 2007-12-06 14:36:11 +0000 | [diff] [blame] | 100 | lbs_host_to_card_done(priv); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 101 | } else { |
| 102 | /* print the failure status number for debug */ |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 103 | pr_info("URB in failure status: %d\n", urb->status); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 104 | } |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 108 | * if_usb_free - free tx/rx urb, skb and rx buffer |
| 109 | * @cardp: pointer to &if_usb_card |
| 110 | * returns: N/A |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 111 | */ |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 112 | static void if_usb_free(struct if_usb_card *cardp) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 113 | { |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 114 | lbs_deb_enter(LBS_DEB_USB); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 115 | |
| 116 | /* Unlink tx & rx urb */ |
| 117 | usb_kill_urb(cardp->tx_urb); |
| 118 | usb_kill_urb(cardp->rx_urb); |
| 119 | |
| 120 | usb_free_urb(cardp->tx_urb); |
| 121 | cardp->tx_urb = NULL; |
| 122 | |
| 123 | usb_free_urb(cardp->rx_urb); |
| 124 | cardp->rx_urb = NULL; |
| 125 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 126 | kfree(cardp->ep_out_buf); |
| 127 | cardp->ep_out_buf = NULL; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 128 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 129 | lbs_deb_leave(LBS_DEB_USB); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 130 | } |
| 131 | |
David Woodhouse | 4694961 | 2007-12-17 14:42:33 -0500 | [diff] [blame] | 132 | static void if_usb_setup_firmware(struct lbs_private *priv) |
David Woodhouse | 04c80f1 | 2007-12-06 12:51:00 +0000 | [diff] [blame] | 133 | { |
Holger Schurig | 4365929 | 2008-01-16 15:52:58 +0100 | [diff] [blame] | 134 | struct if_usb_card *cardp = priv->card; |
David Woodhouse | 04c80f1 | 2007-12-06 12:51:00 +0000 | [diff] [blame] | 135 | struct cmd_ds_set_boot2_ver b2_cmd; |
David Woodhouse | 4694961 | 2007-12-17 14:42:33 -0500 | [diff] [blame] | 136 | struct cmd_ds_802_11_fw_wake_method wake_method; |
David Woodhouse | 04c80f1 | 2007-12-06 12:51:00 +0000 | [diff] [blame] | 137 | |
David Woodhouse | 9fae899 | 2007-12-15 03:46:44 -0500 | [diff] [blame] | 138 | b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd)); |
David Woodhouse | 04c80f1 | 2007-12-06 12:51:00 +0000 | [diff] [blame] | 139 | b2_cmd.action = 0; |
Holger Schurig | 4365929 | 2008-01-16 15:52:58 +0100 | [diff] [blame] | 140 | b2_cmd.version = cardp->boot2_version; |
David Woodhouse | 04c80f1 | 2007-12-06 12:51:00 +0000 | [diff] [blame] | 141 | |
David Woodhouse | b23b206 | 2007-12-15 01:22:09 -0500 | [diff] [blame] | 142 | if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd)) |
David Woodhouse | 04c80f1 | 2007-12-06 12:51:00 +0000 | [diff] [blame] | 143 | lbs_deb_usb("Setting boot2 version failed\n"); |
David Woodhouse | 4694961 | 2007-12-17 14:42:33 -0500 | [diff] [blame] | 144 | |
| 145 | priv->wol_gpio = 2; /* Wake via GPIO2... */ |
| 146 | priv->wol_gap = 20; /* ... after 20ms */ |
Anna Neal | 582c1b5 | 2008-10-20 16:46:56 -0700 | [diff] [blame] | 147 | lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA, |
| 148 | (struct wol_config *) NULL); |
David Woodhouse | 4694961 | 2007-12-17 14:42:33 -0500 | [diff] [blame] | 149 | |
| 150 | wake_method.hdr.size = cpu_to_le16(sizeof(wake_method)); |
| 151 | wake_method.action = cpu_to_le16(CMD_ACT_GET); |
| 152 | if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) { |
Joe Perches | f3a57fd | 2011-05-02 16:49:15 -0700 | [diff] [blame] | 153 | netdev_info(priv->dev, "Firmware does not seem to support PS mode\n"); |
Andrey Yurovsky | e0d6133 | 2009-06-16 13:20:01 -0700 | [diff] [blame] | 154 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
David Woodhouse | 4694961 | 2007-12-17 14:42:33 -0500 | [diff] [blame] | 155 | } else { |
| 156 | if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) { |
| 157 | lbs_deb_usb("Firmware seems to support PS with wake-via-command\n"); |
David Woodhouse | 4694961 | 2007-12-17 14:42:33 -0500 | [diff] [blame] | 158 | } else { |
| 159 | /* The versions which boot up this way don't seem to |
| 160 | work even if we set it to the command interrupt */ |
Andrey Yurovsky | e0d6133 | 2009-06-16 13:20:01 -0700 | [diff] [blame] | 161 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
Joe Perches | f3a57fd | 2011-05-02 16:49:15 -0700 | [diff] [blame] | 162 | netdev_info(priv->dev, |
| 163 | "Firmware doesn't wake via command interrupt; disabling PS mode\n"); |
David Woodhouse | 4694961 | 2007-12-17 14:42:33 -0500 | [diff] [blame] | 164 | } |
| 165 | } |
David Woodhouse | 04c80f1 | 2007-12-06 12:51:00 +0000 | [diff] [blame] | 166 | } |
| 167 | |
David Woodhouse | 2fd6cfe | 2007-12-11 17:44:10 -0500 | [diff] [blame] | 168 | static void if_usb_fw_timeo(unsigned long priv) |
David Woodhouse | 4f82f5c | 2007-12-11 00:07:58 -0500 | [diff] [blame] | 169 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 170 | struct if_usb_card *cardp = (void *)priv; |
David Woodhouse | 04c80f1 | 2007-12-06 12:51:00 +0000 | [diff] [blame] | 171 | |
David Woodhouse | 4f82f5c | 2007-12-11 00:07:58 -0500 | [diff] [blame] | 172 | if (cardp->fwdnldover) { |
| 173 | lbs_deb_usb("Download complete, no event. Assuming success\n"); |
| 174 | } else { |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 175 | pr_err("Download timed out\n"); |
David Woodhouse | 4f82f5c | 2007-12-11 00:07:58 -0500 | [diff] [blame] | 176 | cardp->surprise_removed = 1; |
| 177 | } |
| 178 | wake_up(&cardp->fw_wq); |
| 179 | } |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 180 | |
David Woodhouse | b77ec4c | 2008-05-20 16:48:52 +0100 | [diff] [blame] | 181 | #ifdef CONFIG_OLPC |
| 182 | static void if_usb_reset_olpc_card(struct lbs_private *priv) |
| 183 | { |
| 184 | printk(KERN_CRIT "Resetting OLPC wireless via EC...\n"); |
| 185 | olpc_ec_cmd(0x25, NULL, 0, NULL, 0); |
| 186 | } |
| 187 | #endif |
| 188 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 189 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 190 | * if_usb_probe - sets the configuration values |
| 191 | * @intf: &usb_interface pointer |
| 192 | * @id: pointer to usb_device_id |
| 193 | * returns: 0 on success, error code on failure |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 194 | */ |
| 195 | static int if_usb_probe(struct usb_interface *intf, |
| 196 | const struct usb_device_id *id) |
| 197 | { |
| 198 | struct usb_device *udev; |
| 199 | struct usb_host_interface *iface_desc; |
| 200 | struct usb_endpoint_descriptor *endpoint; |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 201 | struct lbs_private *priv; |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 202 | struct if_usb_card *cardp; |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 203 | int r = -ENOMEM; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 204 | int i; |
| 205 | |
| 206 | udev = interface_to_usbdev(intf); |
| 207 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 208 | cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL); |
Joe Perches | e404dec | 2012-01-29 12:56:23 +0000 | [diff] [blame] | 209 | if (!cardp) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 210 | goto error; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 211 | |
David Woodhouse | 4f82f5c | 2007-12-11 00:07:58 -0500 | [diff] [blame] | 212 | setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp); |
| 213 | init_waitqueue_head(&cardp->fw_wq); |
David Woodhouse | 7e22627 | 2007-12-14 22:53:41 -0500 | [diff] [blame] | 214 | |
Holger Schurig | 435a1ac | 2007-05-25 12:41:52 -0400 | [diff] [blame] | 215 | cardp->udev = udev; |
Dan Williams | 5cddea8 | 2010-08-07 21:13:57 -0500 | [diff] [blame] | 216 | cardp->model = (uint32_t) id->driver_info; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 217 | iface_desc = intf->cur_altsetting; |
| 218 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 219 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 220 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
David Woodhouse | 981f187 | 2007-05-25 23:36:54 -0400 | [diff] [blame] | 221 | le16_to_cpu(udev->descriptor.bcdUSB), |
| 222 | udev->descriptor.bDeviceClass, |
| 223 | udev->descriptor.bDeviceSubClass, |
| 224 | udev->descriptor.bDeviceProtocol); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 225 | |
| 226 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { |
| 227 | endpoint = &iface_desc->endpoint[i].desc; |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 228 | if (usb_endpoint_is_bulk_in(endpoint)) { |
| 229 | cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize); |
| 230 | cardp->ep_in = usb_endpoint_num(endpoint); |
| 231 | |
| 232 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in); |
| 233 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size); |
| 234 | |
| 235 | } else if (usb_endpoint_is_bulk_out(endpoint)) { |
| 236 | cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize); |
| 237 | cardp->ep_out = usb_endpoint_num(endpoint); |
| 238 | |
| 239 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out); |
| 240 | lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 241 | } |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 242 | } |
| 243 | if (!cardp->ep_out_size || !cardp->ep_in_size) { |
| 244 | lbs_deb_usbd(&udev->dev, "Endpoints not found\n"); |
| 245 | goto dealloc; |
| 246 | } |
| 247 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { |
| 248 | lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n"); |
| 249 | goto dealloc; |
| 250 | } |
| 251 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { |
| 252 | lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n"); |
| 253 | goto dealloc; |
| 254 | } |
| 255 | cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL); |
| 256 | if (!cardp->ep_out_buf) { |
| 257 | lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n"); |
| 258 | goto dealloc; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 259 | } |
| 260 | |
Daniel Drake | 8e92f2a | 2011-07-21 20:43:44 +0100 | [diff] [blame] | 261 | if (!(priv = lbs_add_card(cardp, &intf->dev))) |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 262 | goto err_add_card; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 263 | |
| 264 | cardp->priv = priv; |
Luis Carlos Cobo | 965f8bbc | 2007-08-02 13:16:55 -0400 | [diff] [blame] | 265 | |
Holger Schurig | 208fdd2 | 2007-05-25 12:17:06 -0400 | [diff] [blame] | 266 | priv->hw_host_to_card = if_usb_host_to_card; |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 267 | priv->enter_deep_sleep = NULL; |
| 268 | priv->exit_deep_sleep = NULL; |
| 269 | priv->reset_deep_sleep_wakeup = NULL; |
Andreas Kemnade | fae4f9f | 2016-01-30 18:01:52 +0100 | [diff] [blame] | 270 | priv->is_polling = false; |
David Woodhouse | b77ec4c | 2008-05-20 16:48:52 +0100 | [diff] [blame] | 271 | #ifdef CONFIG_OLPC |
| 272 | if (machine_is_olpc()) |
| 273 | priv->reset_card = if_usb_reset_olpc_card; |
| 274 | #endif |
| 275 | |
Holger Schurig | 4365929 | 2008-01-16 15:52:58 +0100 | [diff] [blame] | 276 | cardp->boot2_version = udev->descriptor.bcdDevice; |
Holger Schurig | 208fdd2 | 2007-05-25 12:17:06 -0400 | [diff] [blame] | 277 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 278 | usb_get_dev(udev); |
Holger Schurig | 435a1ac | 2007-05-25 12:41:52 -0400 | [diff] [blame] | 279 | usb_set_intfdata(intf, cardp); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 280 | |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 281 | r = lbs_get_firmware_async(priv, &udev->dev, cardp->model, |
| 282 | fw_table, if_usb_prog_firmware); |
| 283 | if (r) |
| 284 | goto err_get_fw; |
Deepak Saxena | ae63a33 | 2010-10-31 13:40:33 +0000 | [diff] [blame] | 285 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 286 | return 0; |
| 287 | |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 288 | err_get_fw: |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 289 | lbs_remove_card(priv); |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 290 | err_add_card: |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 291 | if_usb_reset_device(cardp); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 292 | dealloc: |
Holger Schurig | 435a1ac | 2007-05-25 12:41:52 -0400 | [diff] [blame] | 293 | if_usb_free(cardp); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 294 | |
| 295 | error: |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 296 | return r; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 300 | * if_usb_disconnect - free resource and cleanup |
| 301 | * @intf: USB interface structure |
| 302 | * returns: N/A |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 303 | */ |
| 304 | static void if_usb_disconnect(struct usb_interface *intf) |
| 305 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 306 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
Joe Perches | 2c20889 | 2012-06-04 12:44:17 +0000 | [diff] [blame] | 307 | struct lbs_private *priv = cardp->priv; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 308 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 309 | lbs_deb_enter(LBS_DEB_MAIN); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 310 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 311 | cardp->surprise_removed = 1; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 312 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 313 | if (priv) { |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 314 | lbs_stop_card(priv); |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 315 | lbs_remove_card(priv); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 316 | } |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 317 | |
| 318 | /* Unlink and free urb */ |
| 319 | if_usb_free(cardp); |
| 320 | |
| 321 | usb_set_intfdata(intf, NULL); |
| 322 | usb_put_dev(interface_to_usbdev(intf)); |
| 323 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 324 | lbs_deb_leave(LBS_DEB_MAIN); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 328 | * if_usb_send_fw_pkt - download FW |
| 329 | * @cardp: pointer to &struct if_usb_card |
| 330 | * returns: 0 |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 331 | */ |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 332 | static int if_usb_send_fw_pkt(struct if_usb_card *cardp) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 333 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 334 | struct fwdata *fwdata = cardp->ep_out_buf; |
David Woodhouse | 6dfff89 | 2008-05-23 18:37:51 +0100 | [diff] [blame] | 335 | const uint8_t *firmware = cardp->fw->data; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 336 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 337 | /* If we got a CRC failure on the last block, back |
| 338 | up and retry it */ |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 339 | if (!cardp->CRC_OK) { |
| 340 | cardp->totalbytes = cardp->fwlastblksent; |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 341 | cardp->fwseqnum--; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 342 | } |
| 343 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 344 | lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", |
| 345 | cardp->totalbytes); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 346 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 347 | /* struct fwdata (which we sent to the card) has an |
| 348 | extra __le32 field in between the header and the data, |
| 349 | which is not in the struct fwheader in the actual |
| 350 | firmware binary. Insert the seqnum in the middle... */ |
| 351 | memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 352 | sizeof(struct fwheader)); |
| 353 | |
| 354 | cardp->fwlastblksent = cardp->totalbytes; |
| 355 | cardp->totalbytes += sizeof(struct fwheader); |
| 356 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 357 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 358 | le32_to_cpu(fwdata->hdr.datalength)); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 359 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 360 | lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", |
| 361 | le32_to_cpu(fwdata->hdr.datalength)); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 362 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 363 | fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); |
| 364 | cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 365 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 366 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + |
| 367 | le32_to_cpu(fwdata->hdr.datalength)); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 368 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 369 | if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { |
| 370 | lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); |
| 371 | lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", |
| 372 | cardp->fwseqnum, cardp->totalbytes); |
| 373 | } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { |
| 374 | lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); |
| 375 | lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 376 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 377 | cardp->fwfinalblk = 1; |
| 378 | } |
| 379 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 380 | lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", |
| 381 | cardp->totalbytes); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 382 | |
| 383 | return 0; |
| 384 | } |
| 385 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 386 | static int if_usb_reset_device(struct if_usb_card *cardp) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 387 | { |
Dan Williams | 0bb6408 | 2010-07-27 13:08:08 -0700 | [diff] [blame] | 388 | struct cmd_header *cmd = cardp->ep_out_buf + 4; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 389 | int ret; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 390 | |
Holger Schurig | 3874d0f | 2007-05-25 12:01:42 -0400 | [diff] [blame] | 391 | lbs_deb_enter(LBS_DEB_USB); |
| 392 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 393 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
David Woodhouse | 6d35fdf | 2007-12-08 23:49:06 +0000 | [diff] [blame] | 394 | |
| 395 | cmd->command = cpu_to_le16(CMD_802_11_RESET); |
Dan Williams | 0bb6408 | 2010-07-27 13:08:08 -0700 | [diff] [blame] | 396 | cmd->size = cpu_to_le16(sizeof(cmd)); |
David Woodhouse | 6d35fdf | 2007-12-08 23:49:06 +0000 | [diff] [blame] | 397 | cmd->result = cpu_to_le16(0); |
| 398 | cmd->seqnum = cpu_to_le16(0x5a5a); |
Dan Williams | f8e77ca | 2008-09-10 09:04:33 -0400 | [diff] [blame] | 399 | usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header)); |
David Woodhouse | 6d35fdf | 2007-12-08 23:49:06 +0000 | [diff] [blame] | 400 | |
David Woodhouse | c8ba39d | 2007-12-10 18:53:34 -0500 | [diff] [blame] | 401 | msleep(100); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 402 | ret = usb_reset_device(cardp->udev); |
David Woodhouse | c8ba39d | 2007-12-10 18:53:34 -0500 | [diff] [blame] | 403 | msleep(100); |
Holger Schurig | 3874d0f | 2007-05-25 12:01:42 -0400 | [diff] [blame] | 404 | |
David Woodhouse | b77ec4c | 2008-05-20 16:48:52 +0100 | [diff] [blame] | 405 | #ifdef CONFIG_OLPC |
| 406 | if (ret && machine_is_olpc()) |
| 407 | if_usb_reset_olpc_card(NULL); |
| 408 | #endif |
| 409 | |
Holger Schurig | 3874d0f | 2007-05-25 12:01:42 -0400 | [diff] [blame] | 410 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
| 411 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 412 | return ret; |
| 413 | } |
| 414 | |
| 415 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 416 | * usb_tx_block - transfer the data to the device |
| 417 | * @cardp: pointer to &struct if_usb_card |
| 418 | * @payload: pointer to payload data |
| 419 | * @nb: data length |
| 420 | * returns: 0 for success or negative error code |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 421 | */ |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 422 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 423 | { |
Paul Fox | 4f329c0 | 2010-10-13 20:14:56 +0100 | [diff] [blame] | 424 | int ret; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 425 | |
| 426 | /* check if device is removed */ |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 427 | if (cardp->surprise_removed) { |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 428 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
Paul Fox | 4f329c0 | 2010-10-13 20:14:56 +0100 | [diff] [blame] | 429 | ret = -ENODEV; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 430 | goto tx_ret; |
| 431 | } |
| 432 | |
| 433 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, |
| 434 | usb_sndbulkpipe(cardp->udev, |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 435 | cardp->ep_out), |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 436 | payload, nb, if_usb_write_bulk_callback, cardp); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 437 | |
| 438 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; |
| 439 | |
| 440 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { |
David Woodhouse | 0856e68 | 2007-12-07 15:12:26 +0000 | [diff] [blame] | 441 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 442 | } else { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 443 | lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 444 | ret = 0; |
| 445 | } |
| 446 | |
| 447 | tx_ret: |
| 448 | return ret; |
| 449 | } |
| 450 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 451 | static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 452 | void (*callbackfn)(struct urb *urb)) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 453 | { |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 454 | struct sk_buff *skb; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 455 | int ret = -1; |
| 456 | |
| 457 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 458 | pr_err("No free skb\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 459 | goto rx_ret; |
| 460 | } |
| 461 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 462 | cardp->rx_skb = skb; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 463 | |
| 464 | /* Fill the receive configuration URB and initialise the Rx call back */ |
| 465 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 466 | usb_rcvbulkpipe(cardp->udev, cardp->ep_in), |
David Woodhouse | e9024a0 | 2009-10-30 17:45:14 +0000 | [diff] [blame] | 467 | skb->data + IPFIELD_ALIGN_OFFSET, |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 468 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 469 | cardp); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 470 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 471 | lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 472 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
David Woodhouse | 0856e68 | 2007-12-07 15:12:26 +0000 | [diff] [blame] | 473 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
David Woodhouse | 77d8cf2 | 2007-11-28 16:20:51 +0000 | [diff] [blame] | 474 | kfree_skb(skb); |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 475 | cardp->rx_skb = NULL; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 476 | ret = -1; |
| 477 | } else { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 478 | lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 479 | ret = 0; |
| 480 | } |
| 481 | |
| 482 | rx_ret: |
| 483 | return ret; |
| 484 | } |
| 485 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 486 | static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 487 | { |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 488 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 489 | } |
| 490 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 491 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 492 | { |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 493 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 494 | } |
| 495 | |
| 496 | static void if_usb_receive_fwload(struct urb *urb) |
| 497 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 498 | struct if_usb_card *cardp = urb->context; |
| 499 | struct sk_buff *skb = cardp->rx_skb; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 500 | struct fwsyncheader *syncfwheader; |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 501 | struct bootcmdresp bootcmdresp; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 502 | |
| 503 | if (urb->status) { |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 504 | lbs_deb_usbd(&cardp->udev->dev, |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 505 | "URB status is failed during fw load\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 506 | kfree_skb(skb); |
| 507 | return; |
| 508 | } |
| 509 | |
David Woodhouse | c9cd6f9 | 2007-12-11 13:15:25 -0500 | [diff] [blame] | 510 | if (cardp->fwdnldover) { |
| 511 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); |
| 512 | |
| 513 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && |
| 514 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 515 | pr_info("Firmware ready event received\n"); |
David Woodhouse | c9cd6f9 | 2007-12-11 13:15:25 -0500 | [diff] [blame] | 516 | wake_up(&cardp->fw_wq); |
| 517 | } else { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 518 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", |
| 519 | le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); |
David Woodhouse | c9cd6f9 | 2007-12-11 13:15:25 -0500 | [diff] [blame] | 520 | if_usb_submit_rx_urb_fwload(cardp); |
| 521 | } |
| 522 | kfree_skb(skb); |
| 523 | return; |
| 524 | } |
David Woodhouse | c8ba39d | 2007-12-10 18:53:34 -0500 | [diff] [blame] | 525 | if (cardp->bootcmdresp <= 0) { |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 526 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
| 527 | sizeof(bootcmdresp)); |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 528 | |
David Woodhouse | 981f187 | 2007-05-25 23:36:54 -0400 | [diff] [blame] | 529 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 530 | kfree_skb(skb); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 531 | if_usb_submit_rx_urb_fwload(cardp); |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 532 | cardp->bootcmdresp = BOOT_CMD_RESP_OK; |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 533 | lbs_deb_usbd(&cardp->udev->dev, |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 534 | "Received valid boot command response\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 535 | return; |
| 536 | } |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 537 | if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
| 538 | if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || |
| 539 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || |
| 540 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { |
David Woodhouse | c9cd6f9 | 2007-12-11 13:15:25 -0500 | [diff] [blame] | 541 | if (!cardp->bootcmdresp) |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 542 | pr_info("Firmware already seems alive; resetting\n"); |
David Woodhouse | 6d35fdf | 2007-12-08 23:49:06 +0000 | [diff] [blame] | 543 | cardp->bootcmdresp = -1; |
| 544 | } else { |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 545 | pr_info("boot cmd response wrong magic number (0x%x)\n", |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 546 | le32_to_cpu(bootcmdresp.magic)); |
David Woodhouse | 6d35fdf | 2007-12-08 23:49:06 +0000 | [diff] [blame] | 547 | } |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 548 | } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) && |
| 549 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) && |
| 550 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) { |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 551 | pr_info("boot cmd response cmd_tag error (%d)\n", |
| 552 | bootcmdresp.cmd); |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 553 | } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 554 | pr_info("boot cmd response result error (%d)\n", |
| 555 | bootcmdresp.result); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 556 | } else { |
| 557 | cardp->bootcmdresp = 1; |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 558 | lbs_deb_usbd(&cardp->udev->dev, |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 559 | "Received valid boot command response\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 560 | } |
| 561 | kfree_skb(skb); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 562 | if_usb_submit_rx_urb_fwload(cardp); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 563 | return; |
| 564 | } |
| 565 | |
Julia Lawall | 731a9b2 | 2010-05-15 23:12:28 +0200 | [diff] [blame] | 566 | syncfwheader = kmemdup(skb->data + IPFIELD_ALIGN_OFFSET, |
| 567 | sizeof(struct fwsyncheader), GFP_ATOMIC); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 568 | if (!syncfwheader) { |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 569 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 570 | kfree_skb(skb); |
| 571 | return; |
| 572 | } |
| 573 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 574 | if (!syncfwheader->cmd) { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 575 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); |
| 576 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", |
| 577 | le32_to_cpu(syncfwheader->seqnum)); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 578 | cardp->CRC_OK = 1; |
| 579 | } else { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 580 | lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 581 | cardp->CRC_OK = 0; |
| 582 | } |
| 583 | |
| 584 | kfree_skb(skb); |
| 585 | |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 586 | /* Give device 5s to either write firmware to its RAM or eeprom */ |
| 587 | mod_timer(&cardp->fw_timeout, jiffies + (HZ*5)); |
David Woodhouse | 4f82f5c | 2007-12-11 00:07:58 -0500 | [diff] [blame] | 588 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 589 | if (cardp->fwfinalblk) { |
| 590 | cardp->fwdnldover = 1; |
| 591 | goto exit; |
| 592 | } |
| 593 | |
David Woodhouse | 4f82f5c | 2007-12-11 00:07:58 -0500 | [diff] [blame] | 594 | if_usb_send_fw_pkt(cardp); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 595 | |
David Woodhouse | 4f82f5c | 2007-12-11 00:07:58 -0500 | [diff] [blame] | 596 | exit: |
David Woodhouse | c9cd6f9 | 2007-12-11 13:15:25 -0500 | [diff] [blame] | 597 | if_usb_submit_rx_urb_fwload(cardp); |
| 598 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 599 | kfree(syncfwheader); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 600 | } |
| 601 | |
| 602 | #define MRVDRV_MIN_PKT_LEN 30 |
| 603 | |
| 604 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 605 | struct if_usb_card *cardp, |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 606 | struct lbs_private *priv) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 607 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 608 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN |
| 609 | || recvlength < MRVDRV_MIN_PKT_LEN) { |
| 610 | lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 611 | kfree_skb(skb); |
| 612 | return; |
| 613 | } |
| 614 | |
| 615 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); |
| 616 | skb_put(skb, recvlength); |
| 617 | skb_pull(skb, MESSAGE_HEADER_LEN); |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 618 | |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 619 | lbs_process_rxed_packet(priv, skb); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 620 | } |
| 621 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 622 | static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 623 | struct sk_buff *skb, |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 624 | struct if_usb_card *cardp, |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 625 | struct lbs_private *priv) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 626 | { |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 627 | u8 i; |
| 628 | |
Dan Williams | ddac452 | 2007-12-11 13:49:39 -0500 | [diff] [blame] | 629 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 630 | lbs_deb_usbd(&cardp->udev->dev, |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 631 | "The receive buffer is too large\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 632 | kfree_skb(skb); |
| 633 | return; |
| 634 | } |
| 635 | |
Alexander Beregalov | 0ee904c | 2009-04-11 14:50:23 +0000 | [diff] [blame] | 636 | BUG_ON(!in_interrupt()); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 637 | |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 638 | spin_lock(&priv->driver_lock); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 639 | |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 640 | i = (priv->resp_idx == 0) ? 1 : 0; |
| 641 | BUG_ON(priv->resp_len[i]); |
| 642 | priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN); |
| 643 | memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN, |
| 644 | priv->resp_len[i]); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 645 | kfree_skb(skb); |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 646 | lbs_notify_command_response(priv, i); |
| 647 | |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 648 | spin_unlock(&priv->driver_lock); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 649 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 650 | lbs_deb_usbd(&cardp->udev->dev, |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 651 | "Wake up main thread to handle cmd response\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 652 | } |
| 653 | |
| 654 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 655 | * if_usb_receive - read the packet into the upload buffer, |
| 656 | * wake up the main thread and initialise the Rx callack |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 657 | * |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 658 | * @urb: pointer to &struct urb |
| 659 | * returns: N/A |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 660 | */ |
| 661 | static void if_usb_receive(struct urb *urb) |
| 662 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 663 | struct if_usb_card *cardp = urb->context; |
| 664 | struct sk_buff *skb = cardp->rx_skb; |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 665 | struct lbs_private *priv = cardp->priv; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 666 | int recvlength = urb->actual_length; |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 667 | uint8_t *recvbuff = NULL; |
| 668 | uint32_t recvtype = 0; |
| 669 | __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 670 | uint32_t event; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 671 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 672 | lbs_deb_enter(LBS_DEB_USB); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 673 | |
| 674 | if (recvlength) { |
| 675 | if (urb->status) { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 676 | lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n", |
| 677 | urb->status); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 678 | kfree_skb(skb); |
| 679 | goto setup_for_next; |
| 680 | } |
| 681 | |
| 682 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 683 | recvtype = le32_to_cpu(pkt[0]); |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 684 | lbs_deb_usbd(&cardp->udev->dev, |
Dan Williams | 8362cd4 | 2007-08-03 09:40:55 -0400 | [diff] [blame] | 685 | "Recv length = 0x%x, Recv type = 0x%X\n", |
| 686 | recvlength, recvtype); |
David Woodhouse | 77d8cf2 | 2007-11-28 16:20:51 +0000 | [diff] [blame] | 687 | } else if (urb->status) { |
| 688 | kfree_skb(skb); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 689 | goto rx_exit; |
David Woodhouse | 77d8cf2 | 2007-11-28 16:20:51 +0000 | [diff] [blame] | 690 | } |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 691 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 692 | switch (recvtype) { |
| 693 | case CMD_TYPE_DATA: |
| 694 | process_cmdtypedata(recvlength, skb, cardp, priv); |
| 695 | break; |
| 696 | |
| 697 | case CMD_TYPE_REQUEST: |
| 698 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); |
| 699 | break; |
| 700 | |
| 701 | case CMD_TYPE_INDICATION: |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 702 | /* Event handling */ |
| 703 | event = le32_to_cpu(pkt[1]); |
| 704 | lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event); |
| 705 | kfree_skb(skb); |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 706 | |
| 707 | /* Icky undocumented magic special case */ |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 708 | if (event & 0xffff0000) { |
| 709 | u32 trycount = (event & 0xffff0000) >> 16; |
| 710 | |
| 711 | lbs_send_tx_feedback(priv, trycount); |
| 712 | } else |
| 713 | lbs_queue_event(priv, event & 0xFF); |
| 714 | break; |
| 715 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 716 | default: |
Dan Williams | 8362cd4 | 2007-08-03 09:40:55 -0400 | [diff] [blame] | 717 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 718 | recvtype); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 719 | kfree_skb(skb); |
| 720 | break; |
| 721 | } |
| 722 | |
| 723 | setup_for_next: |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 724 | if_usb_submit_rx_urb(cardp); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 725 | rx_exit: |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 726 | lbs_deb_leave(LBS_DEB_USB); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 727 | } |
| 728 | |
| 729 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 730 | * if_usb_host_to_card - downloads data to FW |
| 731 | * @priv: pointer to &struct lbs_private structure |
| 732 | * @type: type of data |
| 733 | * @payload: pointer to data buffer |
| 734 | * @nb: number of bytes |
| 735 | * returns: 0 for success or negative error code |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 736 | */ |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 737 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
| 738 | uint8_t *payload, uint16_t nb) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 739 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 740 | struct if_usb_card *cardp = priv->card; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 741 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 742 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
| 743 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 744 | |
| 745 | if (type == MVMS_CMD) { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 746 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
Holger Schurig | 634b8f4 | 2007-05-25 13:05:16 -0400 | [diff] [blame] | 747 | priv->dnld_sent = DNLD_CMD_SENT; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 748 | } else { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 749 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA); |
Holger Schurig | 634b8f4 | 2007-05-25 13:05:16 -0400 | [diff] [blame] | 750 | priv->dnld_sent = DNLD_DATA_SENT; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 751 | } |
| 752 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 753 | memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 754 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 755 | return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 756 | } |
| 757 | |
Dan Williams | 9e22cb6 | 2007-08-02 11:14:49 -0400 | [diff] [blame] | 758 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 759 | * if_usb_issue_boot_command - issues Boot command to the Boot2 code |
| 760 | * @cardp: pointer to &if_usb_card |
| 761 | * @ivalue: 1:Boot from FW by USB-Download |
| 762 | * 2:Boot from FW in EEPROM |
| 763 | * returns: 0 for success or negative error code |
Dan Williams | 9e22cb6 | 2007-08-02 11:14:49 -0400 | [diff] [blame] | 764 | */ |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 765 | static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) |
Dan Williams | 9e22cb6 | 2007-08-02 11:14:49 -0400 | [diff] [blame] | 766 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 767 | struct bootcmd *bootcmd = cardp->ep_out_buf; |
Dan Williams | 9e22cb6 | 2007-08-02 11:14:49 -0400 | [diff] [blame] | 768 | |
| 769 | /* Prepare command */ |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 770 | bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); |
| 771 | bootcmd->cmd = ivalue; |
| 772 | memset(bootcmd->pad, 0, sizeof(bootcmd->pad)); |
Dan Williams | 9e22cb6 | 2007-08-02 11:14:49 -0400 | [diff] [blame] | 773 | |
| 774 | /* Issue command */ |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 775 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd)); |
Dan Williams | 9e22cb6 | 2007-08-02 11:14:49 -0400 | [diff] [blame] | 776 | |
| 777 | return 0; |
| 778 | } |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 779 | |
| 780 | |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 781 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 782 | * check_fwfile_format - check the validity of Boot2/FW image |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 783 | * |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 784 | * @data: pointer to image |
| 785 | * @totlen: image length |
| 786 | * returns: 0 (good) or 1 (failure) |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 787 | */ |
David Woodhouse | 6dfff89 | 2008-05-23 18:37:51 +0100 | [diff] [blame] | 788 | static int check_fwfile_format(const uint8_t *data, uint32_t totlen) |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 789 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 790 | uint32_t bincmd, exit; |
| 791 | uint32_t blksize, offset, len; |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 792 | int ret; |
| 793 | |
| 794 | ret = 1; |
| 795 | exit = len = 0; |
| 796 | |
| 797 | do { |
| 798 | struct fwheader *fwh = (void *)data; |
| 799 | |
| 800 | bincmd = le32_to_cpu(fwh->dnldcmd); |
| 801 | blksize = le32_to_cpu(fwh->datalength); |
| 802 | switch (bincmd) { |
| 803 | case FW_HAS_DATA_TO_RECV: |
| 804 | offset = sizeof(struct fwheader) + blksize; |
| 805 | data += offset; |
| 806 | len += offset; |
| 807 | if (len >= totlen) |
| 808 | exit = 1; |
| 809 | break; |
| 810 | case FW_HAS_LAST_BLOCK: |
| 811 | exit = 1; |
| 812 | ret = 0; |
| 813 | break; |
| 814 | default: |
| 815 | exit = 1; |
| 816 | break; |
| 817 | } |
| 818 | } while (!exit); |
| 819 | |
| 820 | if (ret) |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 821 | pr_err("firmware file format check FAIL\n"); |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 822 | else |
| 823 | lbs_deb_fw("firmware file format check PASS\n"); |
| 824 | |
| 825 | return ret; |
| 826 | } |
| 827 | |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 828 | static void if_usb_prog_firmware(struct lbs_private *priv, int ret, |
| 829 | const struct firmware *fw, |
| 830 | const struct firmware *unused) |
Dan Williams | 5cddea8 | 2010-08-07 21:13:57 -0500 | [diff] [blame] | 831 | { |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 832 | struct if_usb_card *cardp = priv->card; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 833 | int i = 0; |
| 834 | static int reset_count = 10; |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 835 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 836 | lbs_deb_enter(LBS_DEB_USB); |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 837 | |
Dan Williams | 5cddea8 | 2010-08-07 21:13:57 -0500 | [diff] [blame] | 838 | if (ret) { |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 839 | pr_err("failed to find firmware (%d)\n", ret); |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 840 | goto done; |
| 841 | } |
| 842 | |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 843 | cardp->fw = fw; |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 844 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) { |
| 845 | ret = -EINVAL; |
Dan Williams | 1dfba30 | 2013-10-14 17:51:55 -0500 | [diff] [blame] | 846 | goto done; |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 847 | } |
| 848 | |
| 849 | /* Cancel any pending usb business */ |
| 850 | usb_kill_urb(cardp->rx_urb); |
| 851 | usb_kill_urb(cardp->tx_urb); |
| 852 | |
| 853 | cardp->fwlastblksent = 0; |
| 854 | cardp->fwdnldover = 0; |
| 855 | cardp->totalbytes = 0; |
| 856 | cardp->fwfinalblk = 0; |
| 857 | cardp->bootcmdresp = 0; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 858 | |
| 859 | restart: |
| 860 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
| 861 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 862 | ret = -EIO; |
Dan Williams | 1dfba30 | 2013-10-14 17:51:55 -0500 | [diff] [blame] | 863 | goto done; |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 864 | } |
| 865 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 866 | cardp->bootcmdresp = 0; |
| 867 | do { |
| 868 | int j = 0; |
| 869 | i++; |
Daniel Drake | 370803c | 2012-04-16 23:52:42 +0100 | [diff] [blame] | 870 | if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 871 | /* wait for command response */ |
| 872 | do { |
| 873 | j++; |
| 874 | msleep_interruptible(100); |
| 875 | } while (cardp->bootcmdresp == 0 && j < 10); |
| 876 | } while (cardp->bootcmdresp == 0 && i < 5); |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 877 | |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 878 | if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) { |
| 879 | /* Return to normal operation */ |
| 880 | ret = -EOPNOTSUPP; |
| 881 | usb_kill_urb(cardp->rx_urb); |
| 882 | usb_kill_urb(cardp->tx_urb); |
| 883 | if (if_usb_submit_rx_urb(cardp) < 0) |
| 884 | ret = -EIO; |
Dan Williams | 1dfba30 | 2013-10-14 17:51:55 -0500 | [diff] [blame] | 885 | goto done; |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 886 | } else if (cardp->bootcmdresp <= 0) { |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 887 | if (--reset_count >= 0) { |
| 888 | if_usb_reset_device(cardp); |
| 889 | goto restart; |
| 890 | } |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 891 | ret = -EIO; |
Dan Williams | 1dfba30 | 2013-10-14 17:51:55 -0500 | [diff] [blame] | 892 | goto done; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 893 | } |
| 894 | |
| 895 | i = 0; |
| 896 | |
| 897 | cardp->totalbytes = 0; |
| 898 | cardp->fwlastblksent = 0; |
| 899 | cardp->CRC_OK = 1; |
| 900 | cardp->fwdnldover = 0; |
| 901 | cardp->fwseqnum = -1; |
| 902 | cardp->totalbytes = 0; |
| 903 | cardp->fwfinalblk = 0; |
| 904 | |
David Woodhouse | 4f82f5c | 2007-12-11 00:07:58 -0500 | [diff] [blame] | 905 | /* Send the first firmware packet... */ |
| 906 | if_usb_send_fw_pkt(cardp); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 907 | |
David Woodhouse | 4f82f5c | 2007-12-11 00:07:58 -0500 | [diff] [blame] | 908 | /* ... and wait for the process to complete */ |
| 909 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); |
David Woodhouse | 7e22627 | 2007-12-14 22:53:41 -0500 | [diff] [blame] | 910 | |
David Woodhouse | 4f82f5c | 2007-12-11 00:07:58 -0500 | [diff] [blame] | 911 | del_timer_sync(&cardp->fw_timeout); |
David Woodhouse | c9cd6f9 | 2007-12-11 13:15:25 -0500 | [diff] [blame] | 912 | usb_kill_urb(cardp->rx_urb); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 913 | |
| 914 | if (!cardp->fwdnldover) { |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 915 | pr_info("failed to load fw, resetting device!\n"); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 916 | if (--reset_count >= 0) { |
| 917 | if_usb_reset_device(cardp); |
| 918 | goto restart; |
| 919 | } |
| 920 | |
Joe Perches | 0e4e06a | 2011-05-02 16:49:14 -0700 | [diff] [blame] | 921 | pr_info("FW download failure, time = %d ms\n", i * 100); |
Brian Cavagnolo | 1556c0f | 2008-07-21 11:02:46 -0700 | [diff] [blame] | 922 | ret = -EIO; |
Dan Williams | 1dfba30 | 2013-10-14 17:51:55 -0500 | [diff] [blame] | 923 | goto done; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 924 | } |
| 925 | |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 926 | cardp->priv->fw_ready = 1; |
| 927 | if_usb_submit_rx_urb(cardp); |
| 928 | |
| 929 | if (lbs_start_card(priv)) |
Dan Williams | 1dfba30 | 2013-10-14 17:51:55 -0500 | [diff] [blame] | 930 | goto done; |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 931 | |
| 932 | if_usb_setup_firmware(priv); |
| 933 | |
| 934 | /* |
| 935 | * EHS_REMOVE_WAKEUP is not supported on all versions of the firmware. |
| 936 | */ |
| 937 | priv->wol_criteria = EHS_REMOVE_WAKEUP; |
| 938 | if (lbs_host_sleep_cfg(priv, priv->wol_criteria, NULL)) |
| 939 | priv->ehs_remove_supported = false; |
| 940 | |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 941 | done: |
Dan Williams | 1dfba30 | 2013-10-14 17:51:55 -0500 | [diff] [blame] | 942 | cardp->fw = NULL; |
Daniel Drake | ce84bb6 | 2012-04-16 23:53:55 +0100 | [diff] [blame] | 943 | lbs_deb_leave(LBS_DEB_USB); |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 944 | } |
| 945 | |
| 946 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 947 | #ifdef CONFIG_PM |
| 948 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) |
| 949 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 950 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 951 | struct lbs_private *priv = cardp->priv; |
David Woodhouse | d1f7a5b | 2007-12-12 17:40:56 -0500 | [diff] [blame] | 952 | int ret; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 953 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 954 | lbs_deb_enter(LBS_DEB_USB); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 955 | |
Julia Lawall | 1e66eda | 2012-04-16 17:44:00 +0200 | [diff] [blame] | 956 | if (priv->psstate != PS_STATE_FULL_POWER) { |
| 957 | ret = -1; |
| 958 | goto out; |
| 959 | } |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 960 | |
Daniel Drake | dfb72c4 | 2011-07-27 17:19:00 +0100 | [diff] [blame] | 961 | #ifdef CONFIG_OLPC |
| 962 | if (machine_is_olpc()) { |
| 963 | if (priv->wol_criteria == EHS_REMOVE_WAKEUP) |
| 964 | olpc_ec_wakeup_clear(EC_SCI_SRC_WLAN); |
| 965 | else |
| 966 | olpc_ec_wakeup_set(EC_SCI_SRC_WLAN); |
| 967 | } |
| 968 | #endif |
| 969 | |
David Woodhouse | d1f7a5b | 2007-12-12 17:40:56 -0500 | [diff] [blame] | 970 | ret = lbs_suspend(priv); |
| 971 | if (ret) |
| 972 | goto out; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 973 | |
| 974 | /* Unlink tx & rx urb */ |
| 975 | usb_kill_urb(cardp->tx_urb); |
| 976 | usb_kill_urb(cardp->rx_urb); |
| 977 | |
David Woodhouse | d1f7a5b | 2007-12-12 17:40:56 -0500 | [diff] [blame] | 978 | out: |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 979 | lbs_deb_leave(LBS_DEB_USB); |
David Woodhouse | d1f7a5b | 2007-12-12 17:40:56 -0500 | [diff] [blame] | 980 | return ret; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 981 | } |
| 982 | |
| 983 | static int if_usb_resume(struct usb_interface *intf) |
| 984 | { |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 985 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 986 | struct lbs_private *priv = cardp->priv; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 987 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 988 | lbs_deb_enter(LBS_DEB_USB); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 989 | |
David Woodhouse | 6bc822b | 2007-12-11 12:53:43 -0500 | [diff] [blame] | 990 | if_usb_submit_rx_urb(cardp); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 991 | |
David Woodhouse | d1f7a5b | 2007-12-12 17:40:56 -0500 | [diff] [blame] | 992 | lbs_resume(priv); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 993 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 994 | lbs_deb_leave(LBS_DEB_USB); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 995 | return 0; |
| 996 | } |
| 997 | #else |
| 998 | #define if_usb_suspend NULL |
| 999 | #define if_usb_resume NULL |
| 1000 | #endif |
| 1001 | |
| 1002 | static struct usb_driver if_usb_driver = { |
Andres Salomon | 798fbfe | 2007-11-20 17:44:04 -0500 | [diff] [blame] | 1003 | .name = DRV_NAME, |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1004 | .probe = if_usb_probe, |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1005 | .disconnect = if_usb_disconnect, |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1006 | .id_table = if_usb_table, |
| 1007 | .suspend = if_usb_suspend, |
| 1008 | .resume = if_usb_resume, |
andrey@cozybit.com | 7b58ccf | 2008-07-01 11:43:53 -0700 | [diff] [blame] | 1009 | .reset_resume = if_usb_resume, |
Sarah Sharp | e1f12eb | 2012-04-23 10:08:51 -0700 | [diff] [blame] | 1010 | .disable_hub_initiated_lpm = 1, |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1011 | }; |
| 1012 | |
Greg Kroah-Hartman | d632eb1 | 2011-11-18 09:44:20 -0800 | [diff] [blame] | 1013 | module_usb_driver(if_usb_driver); |
Holger Schurig | 084708b | 2007-05-25 12:37:58 -0400 | [diff] [blame] | 1014 | |
| 1015 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); |
David Woodhouse | eae86bf | 2007-12-14 00:47:05 -0500 | [diff] [blame] | 1016 | MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc."); |
Holger Schurig | 084708b | 2007-05-25 12:37:58 -0400 | [diff] [blame] | 1017 | MODULE_LICENSE("GPL"); |