Greg Kroah-Hartman | 5fd54ac | 2017-11-03 11:28:30 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /****************************************************************************** |
| 3 | * speedtch.c - Alcatel SpeedTouch USB xDSL modem driver |
| 4 | * |
| 5 | * Copyright (C) 2001, Alcatel |
| 6 | * Copyright (C) 2003, Duncan Sands |
| 7 | * Copyright (C) 2004, David Woodhouse |
| 8 | * |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 9 | * Based on "modem_run.c", copyright (C) 2001, Benoit Papillault |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | ******************************************************************************/ |
| 11 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 12 | #include <asm/page.h> |
| 13 | #include <linux/device.h> |
| 14 | #include <linux/errno.h> |
| 15 | #include <linux/firmware.h> |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 16 | #include <linux/kernel.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | #include <linux/module.h> |
| 18 | #include <linux/moduleparam.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | #include <linux/slab.h> |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 20 | #include <linux/stat.h> |
| 21 | #include <linux/timer.h> |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 22 | #include <linux/types.h> |
David Brownell | 5f84813 | 2006-12-16 15:34:53 -0800 | [diff] [blame] | 23 | #include <linux/usb/ch9.h> |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 24 | #include <linux/workqueue.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 26 | #include "usbatm.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | |
| 28 | #define DRIVER_AUTHOR "Johan Verrept, Duncan Sands <duncan.sands@free.fr>" |
Greg Kroah-Hartman | 9acd6b2 | 2017-07-19 14:17:36 +0200 | [diff] [blame] | 29 | #define DRIVER_DESC "Alcatel SpeedTouch USB driver" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | |
| 31 | static const char speedtch_driver_name[] = "speedtch"; |
| 32 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 33 | #define CTRL_TIMEOUT 2000 /* milliseconds */ |
| 34 | #define DATA_TIMEOUT 2000 /* milliseconds */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 36 | #define OFFSET_7 0 /* size 1 */ |
| 37 | #define OFFSET_b 1 /* size 8 */ |
| 38 | #define OFFSET_d 9 /* size 4 */ |
| 39 | #define OFFSET_e 13 /* size 1 */ |
| 40 | #define OFFSET_f 14 /* size 1 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 42 | #define SIZE_7 1 |
| 43 | #define SIZE_b 8 |
| 44 | #define SIZE_d 4 |
| 45 | #define SIZE_e 1 |
| 46 | #define SIZE_f 1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 48 | #define MIN_POLL_DELAY 5000 /* milliseconds */ |
| 49 | #define MAX_POLL_DELAY 60000 /* milliseconds */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 51 | #define RESUBMIT_DELAY 1000 /* milliseconds */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 53 | #define DEFAULT_BULK_ALTSETTING 1 |
Duncan Sands | 67c752b | 2006-04-28 18:44:06 +0200 | [diff] [blame] | 54 | #define DEFAULT_ISOC_ALTSETTING 3 |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 55 | #define DEFAULT_DL_512_FIRST 0 |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 56 | #define DEFAULT_ENABLE_ISOC 0 |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 57 | #define DEFAULT_SW_BUFFERING 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 59 | static unsigned int altsetting = 0; /* zero means: use the default */ |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 60 | static bool dl_512_first = DEFAULT_DL_512_FIRST; |
| 61 | static bool enable_isoc = DEFAULT_ENABLE_ISOC; |
| 62 | static bool sw_buffering = DEFAULT_SW_BUFFERING; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 64 | #define DEFAULT_B_MAX_DSL 8128 |
| 65 | #define DEFAULT_MODEM_MODE 11 |
| 66 | #define MODEM_OPTION_LENGTH 16 |
| 67 | static const unsigned char DEFAULT_MODEM_OPTION[MODEM_OPTION_LENGTH] = { |
| 68 | 0x10, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 69 | }; |
| 70 | |
| 71 | static unsigned int BMaxDSL = DEFAULT_B_MAX_DSL; |
| 72 | static unsigned char ModemMode = DEFAULT_MODEM_MODE; |
| 73 | static unsigned char ModemOption[MODEM_OPTION_LENGTH]; |
Al Viro | 64a6f95 | 2007-10-14 19:35:30 +0100 | [diff] [blame] | 74 | static unsigned int num_ModemOption; |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 75 | |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 76 | module_param(altsetting, uint, S_IRUGO | S_IWUSR); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 77 | MODULE_PARM_DESC(altsetting, |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 78 | "Alternative setting for data interface (bulk_default: " |
| 79 | __MODULE_STRING(DEFAULT_BULK_ALTSETTING) "; isoc_default: " |
| 80 | __MODULE_STRING(DEFAULT_ISOC_ALTSETTING) ")"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 82 | module_param(dl_512_first, bool, S_IRUGO | S_IWUSR); |
| 83 | MODULE_PARM_DESC(dl_512_first, |
| 84 | "Read 512 bytes before sending firmware (default: " |
| 85 | __MODULE_STRING(DEFAULT_DL_512_FIRST) ")"); |
| 86 | |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 87 | module_param(enable_isoc, bool, S_IRUGO | S_IWUSR); |
| 88 | MODULE_PARM_DESC(enable_isoc, |
| 89 | "Use isochronous transfers if available (default: " |
| 90 | __MODULE_STRING(DEFAULT_ENABLE_ISOC) ")"); |
| 91 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 92 | module_param(sw_buffering, bool, S_IRUGO | S_IWUSR); |
| 93 | MODULE_PARM_DESC(sw_buffering, |
| 94 | "Enable software buffering (default: " |
| 95 | __MODULE_STRING(DEFAULT_SW_BUFFERING) ")"); |
| 96 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 97 | module_param(BMaxDSL, uint, S_IRUGO | S_IWUSR); |
| 98 | MODULE_PARM_DESC(BMaxDSL, |
| 99 | "default: " __MODULE_STRING(DEFAULT_B_MAX_DSL)); |
| 100 | |
| 101 | module_param(ModemMode, byte, S_IRUGO | S_IWUSR); |
| 102 | MODULE_PARM_DESC(ModemMode, |
| 103 | "default: " __MODULE_STRING(DEFAULT_MODEM_MODE)); |
| 104 | |
| 105 | module_param_array(ModemOption, byte, &num_ModemOption, S_IRUGO); |
| 106 | MODULE_PARM_DESC(ModemOption, "default: 0x10,0x00,0x00,0x00,0x20"); |
| 107 | |
Duncan Sands | 6f74947 | 2006-01-13 10:52:38 +0100 | [diff] [blame] | 108 | #define INTERFACE_DATA 1 |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 109 | #define ENDPOINT_INT 0x81 |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 110 | #define ENDPOINT_BULK_DATA 0x07 |
| 111 | #define ENDPOINT_ISOC_DATA 0x07 |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 112 | #define ENDPOINT_FIRMWARE 0x05 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 114 | struct speedtch_params { |
| 115 | unsigned int altsetting; |
| 116 | unsigned int BMaxDSL; |
| 117 | unsigned char ModemMode; |
| 118 | unsigned char ModemOption[MODEM_OPTION_LENGTH]; |
| 119 | }; |
| 120 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | struct speedtch_instance_data { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 122 | struct usbatm_data *usbatm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 124 | struct speedtch_params params; /* set in probe, constant afterwards */ |
Duncan Sands | 6f74947 | 2006-01-13 10:52:38 +0100 | [diff] [blame] | 125 | |
Tejun Heo | 37c95bf | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 126 | struct timer_list status_check_timer; |
| 127 | struct work_struct status_check_work; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 128 | |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 129 | unsigned char last_status; |
| 130 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 131 | int poll_delay; /* milliseconds */ |
| 132 | |
| 133 | struct timer_list resubmit_timer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | struct urb *int_urb; |
| 135 | unsigned char int_data[16]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 137 | unsigned char scratch_buffer[16]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | }; |
| 139 | |
| 140 | /*************** |
| 141 | ** firmware ** |
| 142 | ***************/ |
| 143 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 144 | static void speedtch_set_swbuff(struct speedtch_instance_data *instance, int state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 146 | struct usbatm_data *usbatm = instance->usbatm; |
| 147 | struct usb_device *usb_dev = usbatm->usb_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | int ret; |
| 149 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 150 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 151 | 0x32, 0x40, state ? 0x01 : 0x00, 0x00, NULL, 0, CTRL_TIMEOUT); |
| 152 | if (ret < 0) |
| 153 | usb_warn(usbatm, |
| 154 | "%sabling SW buffering: usb_control_msg returned %d\n", |
| 155 | state ? "En" : "Dis", ret); |
| 156 | else |
Greg Kroah-Hartman | d899542 | 2012-05-01 21:33:25 -0700 | [diff] [blame] | 157 | usb_dbg(usbatm, "speedtch_set_swbuff: %sbled SW buffering\n", state ? "En" : "Dis"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | static void speedtch_test_sequence(struct speedtch_instance_data *instance) |
| 161 | { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 162 | struct usbatm_data *usbatm = instance->usbatm; |
| 163 | struct usb_device *usb_dev = usbatm->usb_dev; |
| 164 | unsigned char *buf = instance->scratch_buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | int ret; |
| 166 | |
| 167 | /* URB 147 */ |
| 168 | buf[0] = 0x1c; |
| 169 | buf[1] = 0x50; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 170 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 171 | 0x01, 0x40, 0x0b, 0x00, buf, 2, CTRL_TIMEOUT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | if (ret < 0) |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 173 | usb_warn(usbatm, "%s failed on URB147: %d\n", __func__, ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | |
| 175 | /* URB 148 */ |
| 176 | buf[0] = 0x32; |
| 177 | buf[1] = 0x00; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 178 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 179 | 0x01, 0x40, 0x02, 0x00, buf, 2, CTRL_TIMEOUT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | if (ret < 0) |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 181 | usb_warn(usbatm, "%s failed on URB148: %d\n", __func__, ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | |
| 183 | /* URB 149 */ |
| 184 | buf[0] = 0x01; |
| 185 | buf[1] = 0x00; |
| 186 | buf[2] = 0x01; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 187 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 188 | 0x01, 0x40, 0x03, 0x00, buf, 3, CTRL_TIMEOUT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | if (ret < 0) |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 190 | usb_warn(usbatm, "%s failed on URB149: %d\n", __func__, ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | |
| 192 | /* URB 150 */ |
| 193 | buf[0] = 0x01; |
| 194 | buf[1] = 0x00; |
| 195 | buf[2] = 0x01; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 196 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 197 | 0x01, 0x40, 0x04, 0x00, buf, 3, CTRL_TIMEOUT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | if (ret < 0) |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 199 | usb_warn(usbatm, "%s failed on URB150: %d\n", __func__, ret); |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 200 | |
| 201 | /* Extra initialisation in recent drivers - gives higher speeds */ |
| 202 | |
| 203 | /* URBext1 */ |
| 204 | buf[0] = instance->params.ModemMode; |
| 205 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 206 | 0x01, 0x40, 0x11, 0x00, buf, 1, CTRL_TIMEOUT); |
| 207 | if (ret < 0) |
| 208 | usb_warn(usbatm, "%s failed on URBext1: %d\n", __func__, ret); |
| 209 | |
| 210 | /* URBext2 */ |
| 211 | /* This seems to be the one which actually triggers the higher sync |
| 212 | rate -- it does require the new firmware too, although it works OK |
| 213 | with older firmware */ |
| 214 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 215 | 0x01, 0x40, 0x14, 0x00, |
| 216 | instance->params.ModemOption, |
| 217 | MODEM_OPTION_LENGTH, CTRL_TIMEOUT); |
| 218 | if (ret < 0) |
| 219 | usb_warn(usbatm, "%s failed on URBext2: %d\n", __func__, ret); |
| 220 | |
| 221 | /* URBext3 */ |
| 222 | buf[0] = instance->params.BMaxDSL & 0xff; |
| 223 | buf[1] = instance->params.BMaxDSL >> 8; |
| 224 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 225 | 0x01, 0x40, 0x12, 0x00, buf, 2, CTRL_TIMEOUT); |
| 226 | if (ret < 0) |
| 227 | usb_warn(usbatm, "%s failed on URBext3: %d\n", __func__, ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | } |
| 229 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 230 | static int speedtch_upload_firmware(struct speedtch_instance_data *instance, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | const struct firmware *fw1, |
| 232 | const struct firmware *fw2) |
| 233 | { |
| 234 | unsigned char *buffer; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 235 | struct usbatm_data *usbatm = instance->usbatm; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 236 | struct usb_device *usb_dev = usbatm->usb_dev; |
| 237 | int actual_length; |
| 238 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | int offset; |
| 240 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 241 | usb_dbg(usbatm, "%s entered\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | |
Greg Kroah-Hartman | 3383ee4 | 2015-04-30 11:33:04 +0200 | [diff] [blame] | 243 | buffer = (unsigned char *)__get_free_page(GFP_KERNEL); |
| 244 | if (!buffer) { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 245 | ret = -ENOMEM; |
| 246 | usb_dbg(usbatm, "%s: no memory for buffer!\n", __func__); |
| 247 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | } |
| 249 | |
Micah Gruber | 011db81 | 2007-09-05 13:49:58 +0800 | [diff] [blame] | 250 | if (!usb_ifnum_to_if(usb_dev, 2)) { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 251 | ret = -ENODEV; |
| 252 | usb_dbg(usbatm, "%s: interface not found!\n", __func__); |
| 253 | goto out_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | /* URB 7 */ |
| 257 | if (dl_512_first) { /* some modems need a read before writing the firmware */ |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 258 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | buffer, 0x200, &actual_length, 2000); |
| 260 | |
| 261 | if (ret < 0 && ret != -ETIMEDOUT) |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 262 | usb_warn(usbatm, "%s: read BLOCK0 from modem failed (%d)!\n", __func__, ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | else |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 264 | usb_dbg(usbatm, "%s: BLOCK0 downloaded (%d bytes)\n", __func__, ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | /* URB 8 : both leds are static green */ |
| 268 | for (offset = 0; offset < fw1->size; offset += PAGE_SIZE) { |
| 269 | int thislen = min_t(int, PAGE_SIZE, fw1->size - offset); |
| 270 | memcpy(buffer, fw1->data + offset, thislen); |
| 271 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 272 | ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | buffer, thislen, &actual_length, DATA_TIMEOUT); |
| 274 | |
| 275 | if (ret < 0) { |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 276 | usb_err(usbatm, "%s: write BLOCK1 to modem failed (%d)!\n", __func__, ret); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 277 | goto out_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | } |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 279 | usb_dbg(usbatm, "%s: BLOCK1 uploaded (%zu bytes)\n", __func__, fw1->size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | } |
| 281 | |
| 282 | /* USB led blinking green, ADSL led off */ |
| 283 | |
| 284 | /* URB 11 */ |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 285 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | buffer, 0x200, &actual_length, DATA_TIMEOUT); |
| 287 | |
| 288 | if (ret < 0) { |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 289 | usb_err(usbatm, "%s: read BLOCK2 from modem failed (%d)!\n", __func__, ret); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 290 | goto out_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | } |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 292 | usb_dbg(usbatm, "%s: BLOCK2 downloaded (%d bytes)\n", __func__, actual_length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | |
| 294 | /* URBs 12 to 139 - USB led blinking green, ADSL led off */ |
| 295 | for (offset = 0; offset < fw2->size; offset += PAGE_SIZE) { |
| 296 | int thislen = min_t(int, PAGE_SIZE, fw2->size - offset); |
| 297 | memcpy(buffer, fw2->data + offset, thislen); |
| 298 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 299 | ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | buffer, thislen, &actual_length, DATA_TIMEOUT); |
| 301 | |
| 302 | if (ret < 0) { |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 303 | usb_err(usbatm, "%s: write BLOCK3 to modem failed (%d)!\n", __func__, ret); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 304 | goto out_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | } |
| 306 | } |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 307 | usb_dbg(usbatm, "%s: BLOCK3 uploaded (%zu bytes)\n", __func__, fw2->size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | |
| 309 | /* USB led static green, ADSL led static red */ |
| 310 | |
| 311 | /* URB 142 */ |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 312 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | buffer, 0x200, &actual_length, DATA_TIMEOUT); |
| 314 | |
| 315 | if (ret < 0) { |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 316 | usb_err(usbatm, "%s: read BLOCK4 from modem failed (%d)!\n", __func__, ret); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 317 | goto out_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | /* success */ |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 321 | usb_dbg(usbatm, "%s: BLOCK4 downloaded (%d bytes)\n", __func__, actual_length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | |
| 323 | /* Delay to allow firmware to start up. We can do this here |
| 324 | because we're in our own kernel thread anyway. */ |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 325 | msleep_interruptible(1000); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 327 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) { |
| 328 | usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->params.altsetting, ret); |
Duncan Sands | 6f74947 | 2006-01-13 10:52:38 +0100 | [diff] [blame] | 329 | goto out_free; |
| 330 | } |
| 331 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | /* Enable software buffering, if requested */ |
| 333 | if (sw_buffering) |
| 334 | speedtch_set_swbuff(instance, 1); |
| 335 | |
| 336 | /* Magic spell; don't ask us what this does */ |
| 337 | speedtch_test_sequence(instance); |
| 338 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 339 | ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 341 | out_free: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | free_page((unsigned long)buffer); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 343 | out: |
| 344 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | } |
| 346 | |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 347 | static int speedtch_find_firmware(struct usbatm_data *usbatm, struct usb_interface *intf, |
| 348 | int phase, const struct firmware **fw_p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 350 | struct device *dev = &intf->dev; |
| 351 | const u16 bcdDevice = le16_to_cpu(interface_to_usbdev(intf)->descriptor.bcdDevice); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | const u8 major_revision = bcdDevice >> 8; |
| 353 | const u8 minor_revision = bcdDevice & 0xff; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 354 | char buf[24]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | |
| 356 | sprintf(buf, "speedtch-%d.bin.%x.%02x", phase, major_revision, minor_revision); |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 357 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 359 | if (request_firmware(fw_p, buf, dev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | sprintf(buf, "speedtch-%d.bin.%x", phase, major_revision); |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 361 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 363 | if (request_firmware(fw_p, buf, dev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | sprintf(buf, "speedtch-%d.bin", phase); |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 365 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 367 | if (request_firmware(fw_p, buf, dev)) { |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 368 | usb_err(usbatm, "%s: no stage %d firmware found!\n", __func__, phase); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | return -ENOENT; |
| 370 | } |
| 371 | } |
| 372 | } |
| 373 | |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 374 | usb_info(usbatm, "found stage %d firmware %s\n", phase, buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | |
| 376 | return 0; |
| 377 | } |
| 378 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 379 | static int speedtch_heavy_init(struct usbatm_data *usbatm, struct usb_interface *intf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | { |
| 381 | const struct firmware *fw1, *fw2; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 382 | struct speedtch_instance_data *instance = usbatm->driver_data; |
| 383 | int ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 385 | if ((ret = speedtch_find_firmware(usbatm, intf, 1, &fw1)) < 0) |
| 386 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 388 | if ((ret = speedtch_find_firmware(usbatm, intf, 2, &fw2)) < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | release_firmware(fw1); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 390 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | } |
| 392 | |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 393 | if ((ret = speedtch_upload_firmware(instance, fw1, fw2)) < 0) |
| 394 | usb_err(usbatm, "%s: firmware upload failed (%d)!\n", __func__, ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 396 | release_firmware(fw2); |
| 397 | release_firmware(fw1); |
| 398 | |
| 399 | return ret; |
| 400 | } |
| 401 | |
| 402 | |
| 403 | /********** |
| 404 | ** ATM ** |
| 405 | **********/ |
| 406 | |
| 407 | static int speedtch_read_status(struct speedtch_instance_data *instance) |
| 408 | { |
| 409 | struct usbatm_data *usbatm = instance->usbatm; |
| 410 | struct usb_device *usb_dev = usbatm->usb_dev; |
| 411 | unsigned char *buf = instance->scratch_buffer; |
| 412 | int ret; |
| 413 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 414 | memset(buf, 0, 16); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 415 | |
| 416 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 417 | 0x12, 0xc0, 0x07, 0x00, buf + OFFSET_7, SIZE_7, |
| 418 | CTRL_TIMEOUT); |
| 419 | if (ret < 0) { |
| 420 | atm_dbg(usbatm, "%s: MSG 7 failed\n", __func__); |
| 421 | return ret; |
| 422 | } |
| 423 | |
| 424 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 425 | 0x12, 0xc0, 0x0b, 0x00, buf + OFFSET_b, SIZE_b, |
| 426 | CTRL_TIMEOUT); |
| 427 | if (ret < 0) { |
| 428 | atm_dbg(usbatm, "%s: MSG B failed\n", __func__); |
| 429 | return ret; |
| 430 | } |
| 431 | |
| 432 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 433 | 0x12, 0xc0, 0x0d, 0x00, buf + OFFSET_d, SIZE_d, |
| 434 | CTRL_TIMEOUT); |
| 435 | if (ret < 0) { |
| 436 | atm_dbg(usbatm, "%s: MSG D failed\n", __func__); |
| 437 | return ret; |
| 438 | } |
| 439 | |
| 440 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 441 | 0x01, 0xc0, 0x0e, 0x00, buf + OFFSET_e, SIZE_e, |
| 442 | CTRL_TIMEOUT); |
| 443 | if (ret < 0) { |
| 444 | atm_dbg(usbatm, "%s: MSG E failed\n", __func__); |
| 445 | return ret; |
| 446 | } |
| 447 | |
| 448 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 449 | 0x01, 0xc0, 0x0f, 0x00, buf + OFFSET_f, SIZE_f, |
| 450 | CTRL_TIMEOUT); |
| 451 | if (ret < 0) { |
| 452 | atm_dbg(usbatm, "%s: MSG F failed\n", __func__); |
| 453 | return ret; |
| 454 | } |
| 455 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | return 0; |
| 457 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 459 | static int speedtch_start_synchro(struct speedtch_instance_data *instance) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 461 | struct usbatm_data *usbatm = instance->usbatm; |
| 462 | struct usb_device *usb_dev = usbatm->usb_dev; |
| 463 | unsigned char *buf = instance->scratch_buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | int ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 466 | atm_dbg(usbatm, "%s entered\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 467 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 468 | memset(buf, 0, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 470 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 471 | 0x12, 0xc0, 0x04, 0x00, |
| 472 | buf, 2, CTRL_TIMEOUT); |
| 473 | |
| 474 | if (ret < 0) |
| 475 | atm_warn(usbatm, "failed to start ADSL synchronisation: %d\n", ret); |
| 476 | else |
| 477 | atm_dbg(usbatm, "%s: modem prodded. %d bytes returned: %02x %02x\n", |
| 478 | __func__, ret, buf[0], buf[1]); |
| 479 | |
| 480 | return ret; |
| 481 | } |
| 482 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 483 | static void speedtch_check_status(struct work_struct *work) |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 484 | { |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 485 | struct speedtch_instance_data *instance = |
| 486 | container_of(work, struct speedtch_instance_data, |
Tejun Heo | 37c95bf | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 487 | status_check_work); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 488 | struct usbatm_data *usbatm = instance->usbatm; |
| 489 | struct atm_dev *atm_dev = usbatm->atm_dev; |
| 490 | unsigned char *buf = instance->scratch_buffer; |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 491 | int down_speed, up_speed, ret; |
| 492 | unsigned char status; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 493 | |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 494 | #ifdef VERBOSE_DEBUG |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 495 | atm_dbg(usbatm, "%s entered\n", __func__); |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 496 | #endif |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 497 | |
| 498 | ret = speedtch_read_status(instance); |
| 499 | if (ret < 0) { |
| 500 | atm_warn(usbatm, "error %d fetching device status\n", ret); |
Duncan Sands | cd5c08f | 2005-06-23 09:23:10 +0200 | [diff] [blame] | 501 | instance->poll_delay = min(2 * instance->poll_delay, MAX_POLL_DELAY); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | return; |
| 503 | } |
| 504 | |
Duncan Sands | cd5c08f | 2005-06-23 09:23:10 +0200 | [diff] [blame] | 505 | instance->poll_delay = max(instance->poll_delay / 2, MIN_POLL_DELAY); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 507 | status = buf[OFFSET_7]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 509 | if ((status != instance->last_status) || !status) { |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 510 | atm_dbg(usbatm, "%s: line state 0x%02x\n", __func__, status); |
| 511 | |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 512 | switch (status) { |
| 513 | case 0: |
Karl Hiramoto | 23f89f0 | 2010-07-08 20:55:37 +0000 | [diff] [blame] | 514 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST); |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 515 | if (instance->last_status) |
David S. Miller | 52fbae2 | 2005-07-25 19:54:35 -0700 | [diff] [blame] | 516 | atm_info(usbatm, "ADSL line is down\n"); |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 517 | /* It may never resync again unless we ask it to... */ |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 518 | ret = speedtch_start_synchro(instance); |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 519 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 521 | case 0x08: |
Karl Hiramoto | 23f89f0 | 2010-07-08 20:55:37 +0000 | [diff] [blame] | 522 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_UNKNOWN); |
David S. Miller | 52fbae2 | 2005-07-25 19:54:35 -0700 | [diff] [blame] | 523 | atm_info(usbatm, "ADSL line is blocked?\n"); |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 524 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 526 | case 0x10: |
Karl Hiramoto | 23f89f0 | 2010-07-08 20:55:37 +0000 | [diff] [blame] | 527 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST); |
David S. Miller | 52fbae2 | 2005-07-25 19:54:35 -0700 | [diff] [blame] | 528 | atm_info(usbatm, "ADSL line is synchronising\n"); |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 529 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 531 | case 0x20: |
| 532 | down_speed = buf[OFFSET_b] | (buf[OFFSET_b + 1] << 8) |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 533 | | (buf[OFFSET_b + 2] << 16) | (buf[OFFSET_b + 3] << 24); |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 534 | up_speed = buf[OFFSET_b + 4] | (buf[OFFSET_b + 5] << 8) |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 535 | | (buf[OFFSET_b + 6] << 16) | (buf[OFFSET_b + 7] << 24); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 537 | if (!(down_speed & 0x0000ffff) && !(up_speed & 0x0000ffff)) { |
| 538 | down_speed >>= 16; |
| 539 | up_speed >>= 16; |
| 540 | } |
| 541 | |
| 542 | atm_dev->link_rate = down_speed * 1000 / 424; |
Karl Hiramoto | 23f89f0 | 2010-07-08 20:55:37 +0000 | [diff] [blame] | 543 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_FOUND); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 544 | |
| 545 | atm_info(usbatm, |
Duncan Sands | 322a95b | 2005-06-23 09:20:50 +0200 | [diff] [blame] | 546 | "ADSL line is up (%d kb/s down | %d kb/s up)\n", |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 547 | down_speed, up_speed); |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 548 | break; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 549 | |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 550 | default: |
Karl Hiramoto | 23f89f0 | 2010-07-08 20:55:37 +0000 | [diff] [blame] | 551 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_UNKNOWN); |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 552 | atm_info(usbatm, "unknown line state %02x\n", status); |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 553 | break; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 554 | } |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 555 | |
| 556 | instance->last_status = status; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 557 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | } |
| 559 | |
Kees Cook | 72a9f9a | 2017-10-21 00:12:34 -0700 | [diff] [blame] | 560 | static void speedtch_status_poll(struct timer_list *t) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 561 | { |
Kees Cook | 72a9f9a | 2017-10-21 00:12:34 -0700 | [diff] [blame] | 562 | struct speedtch_instance_data *instance = from_timer(instance, t, |
| 563 | status_check_timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | |
Tejun Heo | 37c95bf | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 565 | schedule_work(&instance->status_check_work); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 567 | /* The following check is racy, but the race is harmless */ |
| 568 | if (instance->poll_delay < MAX_POLL_DELAY) |
Tejun Heo | 37c95bf | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 569 | mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(instance->poll_delay)); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 570 | else |
David S. Miller | 52fbae2 | 2005-07-25 19:54:35 -0700 | [diff] [blame] | 571 | atm_warn(instance->usbatm, "Too many failures - disabling line status polling\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | } |
| 573 | |
Kees Cook | 72a9f9a | 2017-10-21 00:12:34 -0700 | [diff] [blame] | 574 | static void speedtch_resubmit_int(struct timer_list *t) |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 575 | { |
Kees Cook | 72a9f9a | 2017-10-21 00:12:34 -0700 | [diff] [blame] | 576 | struct speedtch_instance_data *instance = from_timer(instance, t, |
| 577 | resubmit_timer); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 578 | struct urb *int_urb = instance->int_urb; |
| 579 | int ret; |
| 580 | |
| 581 | atm_dbg(instance->usbatm, "%s entered\n", __func__); |
| 582 | |
| 583 | if (int_urb) { |
| 584 | ret = usb_submit_urb(int_urb, GFP_ATOMIC); |
| 585 | if (!ret) |
Tejun Heo | 37c95bf | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 586 | schedule_work(&instance->status_check_work); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 587 | else { |
| 588 | atm_dbg(instance->usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret); |
| 589 | mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY)); |
| 590 | } |
| 591 | } |
| 592 | } |
| 593 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 594 | static void speedtch_handle_int(struct urb *int_urb) |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 595 | { |
| 596 | struct speedtch_instance_data *instance = int_urb->context; |
| 597 | struct usbatm_data *usbatm = instance->usbatm; |
| 598 | unsigned int count = int_urb->actual_length; |
Greg Kroah-Hartman | 9a5a3e9 | 2007-07-18 10:58:02 -0700 | [diff] [blame] | 599 | int status = int_urb->status; |
| 600 | int ret; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 601 | |
| 602 | /* The magic interrupt for "up state" */ |
Jesper Juhl | 3c6bee1 | 2006-01-09 20:54:01 -0800 | [diff] [blame] | 603 | static const unsigned char up_int[6] = { 0xa1, 0x00, 0x01, 0x00, 0x00, 0x00 }; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 604 | /* The magic interrupt for "down state" */ |
Jesper Juhl | 3c6bee1 | 2006-01-09 20:54:01 -0800 | [diff] [blame] | 605 | static const unsigned char down_int[6] = { 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 606 | |
| 607 | atm_dbg(usbatm, "%s entered\n", __func__); |
| 608 | |
Greg Kroah-Hartman | 9a5a3e9 | 2007-07-18 10:58:02 -0700 | [diff] [blame] | 609 | if (status < 0) { |
| 610 | atm_dbg(usbatm, "%s: nonzero urb status %d!\n", __func__, status); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 611 | goto fail; |
| 612 | } |
| 613 | |
| 614 | if ((count == 6) && !memcmp(up_int, instance->int_data, 6)) { |
Tejun Heo | 37c95bf | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 615 | del_timer(&instance->status_check_timer); |
David S. Miller | 52fbae2 | 2005-07-25 19:54:35 -0700 | [diff] [blame] | 616 | atm_info(usbatm, "DSL line goes up\n"); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 617 | } else if ((count == 6) && !memcmp(down_int, instance->int_data, 6)) { |
David S. Miller | 52fbae2 | 2005-07-25 19:54:35 -0700 | [diff] [blame] | 618 | atm_info(usbatm, "DSL line goes down\n"); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 619 | } else { |
| 620 | int i; |
| 621 | |
| 622 | atm_dbg(usbatm, "%s: unknown interrupt packet of length %d:", __func__, count); |
| 623 | for (i = 0; i < count; i++) |
| 624 | printk(" %02x", instance->int_data[i]); |
| 625 | printk("\n"); |
| 626 | goto fail; |
| 627 | } |
| 628 | |
Greg Kroah-Hartman | 3383ee4 | 2015-04-30 11:33:04 +0200 | [diff] [blame] | 629 | int_urb = instance->int_urb; |
| 630 | if (int_urb) { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 631 | ret = usb_submit_urb(int_urb, GFP_ATOMIC); |
Tejun Heo | 37c95bf | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 632 | schedule_work(&instance->status_check_work); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 633 | if (ret < 0) { |
| 634 | atm_dbg(usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret); |
| 635 | goto fail; |
| 636 | } |
| 637 | } |
| 638 | |
| 639 | return; |
| 640 | |
| 641 | fail: |
Greg Kroah-Hartman | 3383ee4 | 2015-04-30 11:33:04 +0200 | [diff] [blame] | 642 | int_urb = instance->int_urb; |
| 643 | if (int_urb) |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 644 | mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY)); |
| 645 | } |
| 646 | |
| 647 | static int speedtch_atm_start(struct usbatm_data *usbatm, struct atm_dev *atm_dev) |
| 648 | { |
| 649 | struct usb_device *usb_dev = usbatm->usb_dev; |
| 650 | struct speedtch_instance_data *instance = usbatm->driver_data; |
| 651 | int i, ret; |
| 652 | unsigned char mac_str[13]; |
| 653 | |
| 654 | atm_dbg(usbatm, "%s entered\n", __func__); |
| 655 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 656 | /* Set MAC address, it is stored in the serial number */ |
| 657 | memset(atm_dev->esi, 0, sizeof(atm_dev->esi)); |
| 658 | if (usb_string(usb_dev, usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) == 12) { |
| 659 | for (i = 0; i < 6; i++) |
Andy Shevchenko | 96b89f3 | 2010-05-24 14:33:25 -0700 | [diff] [blame] | 660 | atm_dev->esi[i] = (hex_to_bin(mac_str[i * 2]) << 4) + |
| 661 | hex_to_bin(mac_str[i * 2 + 1]); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 662 | } |
| 663 | |
| 664 | /* Start modem synchronisation */ |
| 665 | ret = speedtch_start_synchro(instance); |
| 666 | |
| 667 | /* Set up interrupt endpoint */ |
| 668 | if (instance->int_urb) { |
| 669 | ret = usb_submit_urb(instance->int_urb, GFP_KERNEL); |
| 670 | if (ret < 0) { |
| 671 | /* Doesn't matter; we'll poll anyway */ |
| 672 | atm_dbg(usbatm, "%s: submission of interrupt URB failed (%d)!\n", __func__, ret); |
| 673 | usb_free_urb(instance->int_urb); |
| 674 | instance->int_urb = NULL; |
| 675 | } |
| 676 | } |
| 677 | |
| 678 | /* Start status polling */ |
Tejun Heo | 37c95bf | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 679 | mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(1000)); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 680 | |
| 681 | return 0; |
| 682 | } |
| 683 | |
| 684 | static void speedtch_atm_stop(struct usbatm_data *usbatm, struct atm_dev *atm_dev) |
| 685 | { |
| 686 | struct speedtch_instance_data *instance = usbatm->driver_data; |
| 687 | struct urb *int_urb = instance->int_urb; |
| 688 | |
| 689 | atm_dbg(usbatm, "%s entered\n", __func__); |
| 690 | |
Tejun Heo | 37c95bf | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 691 | del_timer_sync(&instance->status_check_timer); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 692 | |
| 693 | /* |
| 694 | * Since resubmit_timer and int_urb can schedule themselves and |
| 695 | * each other, shutting them down correctly takes some care |
| 696 | */ |
| 697 | instance->int_urb = NULL; /* signal shutdown */ |
| 698 | mb(); |
| 699 | usb_kill_urb(int_urb); |
| 700 | del_timer_sync(&instance->resubmit_timer); |
| 701 | /* |
| 702 | * At this point, speedtch_handle_int and speedtch_resubmit_int |
| 703 | * can run or be running, but instance->int_urb == NULL means that |
| 704 | * they will not reschedule |
| 705 | */ |
| 706 | usb_kill_urb(int_urb); |
| 707 | del_timer_sync(&instance->resubmit_timer); |
| 708 | usb_free_urb(int_urb); |
| 709 | |
Tejun Heo | 4382973 | 2012-08-20 14:51:24 -0700 | [diff] [blame] | 710 | flush_work(&instance->status_check_work); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 711 | } |
| 712 | |
Alan Stern | 8fc7aea | 2008-10-20 09:52:12 -0400 | [diff] [blame] | 713 | static int speedtch_pre_reset(struct usb_interface *intf) |
| 714 | { |
| 715 | return 0; |
| 716 | } |
| 717 | |
| 718 | static int speedtch_post_reset(struct usb_interface *intf) |
| 719 | { |
| 720 | return 0; |
| 721 | } |
| 722 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 723 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 724 | /********** |
| 725 | ** USB ** |
| 726 | **********/ |
| 727 | |
Arvind Yadav | 1e44f54 | 2017-08-09 23:14:16 +0530 | [diff] [blame] | 728 | static const struct usb_device_id speedtch_usb_ids[] = { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 729 | {USB_DEVICE(0x06b9, 0x4061)}, |
| 730 | {} |
| 731 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 732 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 733 | MODULE_DEVICE_TABLE(usb, speedtch_usb_ids); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 734 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 735 | static int speedtch_usb_probe(struct usb_interface *, const struct usb_device_id *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 737 | static struct usb_driver speedtch_usb_driver = { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 738 | .name = speedtch_driver_name, |
| 739 | .probe = speedtch_usb_probe, |
| 740 | .disconnect = usbatm_usb_disconnect, |
Alan Stern | 8fc7aea | 2008-10-20 09:52:12 -0400 | [diff] [blame] | 741 | .pre_reset = speedtch_pre_reset, |
| 742 | .post_reset = speedtch_post_reset, |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 743 | .id_table = speedtch_usb_ids |
| 744 | }; |
| 745 | |
Nicolas Kaiser | 6c4b7f7 | 2010-06-09 20:22:03 +0200 | [diff] [blame] | 746 | static void speedtch_release_interfaces(struct usb_device *usb_dev, |
| 747 | int num_interfaces) |
| 748 | { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 749 | struct usb_interface *cur_intf; |
| 750 | int i; |
| 751 | |
Greg Kroah-Hartman | 3383ee4 | 2015-04-30 11:33:04 +0200 | [diff] [blame] | 752 | for (i = 0; i < num_interfaces; i++) { |
| 753 | cur_intf = usb_ifnum_to_if(usb_dev, i); |
| 754 | if (cur_intf) { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 755 | usb_set_intfdata(cur_intf, NULL); |
| 756 | usb_driver_release_interface(&speedtch_usb_driver, cur_intf); |
| 757 | } |
Greg Kroah-Hartman | 3383ee4 | 2015-04-30 11:33:04 +0200 | [diff] [blame] | 758 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | } |
| 760 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 761 | static int speedtch_bind(struct usbatm_data *usbatm, |
| 762 | struct usb_interface *intf, |
Duncan Sands | 35644b0 | 2006-01-17 11:16:13 +0100 | [diff] [blame] | 763 | const struct usb_device_id *id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 764 | { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 765 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 766 | struct usb_interface *cur_intf, *data_intf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | struct speedtch_instance_data *instance; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 768 | int ifnum = intf->altsetting->desc.bInterfaceNumber; |
| 769 | int num_interfaces = usb_dev->actconfig->desc.bNumInterfaces; |
| 770 | int i, ret; |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 771 | int use_isoc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 772 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 773 | usb_dbg(usbatm, "%s entered\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 774 | |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 775 | /* sanity checks */ |
| 776 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 777 | if (usb_dev->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) { |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 778 | usb_err(usbatm, "%s: wrong device class %d\n", __func__, usb_dev->descriptor.bDeviceClass); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 779 | return -ENODEV; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 780 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | |
Greg Kroah-Hartman | 3383ee4 | 2015-04-30 11:33:04 +0200 | [diff] [blame] | 782 | data_intf = usb_ifnum_to_if(usb_dev, INTERFACE_DATA); |
| 783 | if (!data_intf) { |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 784 | usb_err(usbatm, "%s: data interface not found!\n", __func__); |
| 785 | return -ENODEV; |
| 786 | } |
| 787 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 788 | /* claim all interfaces */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 789 | |
Nicolas Kaiser | 9196cc7 | 2010-06-09 20:43:03 +0200 | [diff] [blame] | 790 | for (i = 0; i < num_interfaces; i++) { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 791 | cur_intf = usb_ifnum_to_if(usb_dev, i); |
| 792 | |
| 793 | if ((i != ifnum) && cur_intf) { |
| 794 | ret = usb_driver_claim_interface(&speedtch_usb_driver, cur_intf, usbatm); |
| 795 | |
| 796 | if (ret < 0) { |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 797 | usb_err(usbatm, "%s: failed to claim interface %2d (%d)!\n", __func__, i, ret); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 798 | speedtch_release_interfaces(usb_dev, i); |
| 799 | return ret; |
| 800 | } |
| 801 | } |
| 802 | } |
| 803 | |
Duncan Sands | 9a734ef | 2006-01-13 09:38:22 +0100 | [diff] [blame] | 804 | instance = kzalloc(sizeof(*instance), GFP_KERNEL); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 805 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | if (!instance) { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 807 | ret = -ENOMEM; |
| 808 | goto fail_release; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 809 | } |
| 810 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 811 | instance->usbatm = usbatm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 812 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 813 | /* module parameters may change at any moment, so take a snapshot */ |
| 814 | instance->params.altsetting = altsetting; |
| 815 | instance->params.BMaxDSL = BMaxDSL; |
| 816 | instance->params.ModemMode = ModemMode; |
| 817 | memcpy(instance->params.ModemOption, DEFAULT_MODEM_OPTION, MODEM_OPTION_LENGTH); |
| 818 | memcpy(instance->params.ModemOption, ModemOption, num_ModemOption); |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 819 | use_isoc = enable_isoc; |
Duncan Sands | 6f74947 | 2006-01-13 10:52:38 +0100 | [diff] [blame] | 820 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 821 | if (instance->params.altsetting) |
| 822 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) { |
| 823 | usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, instance->params.altsetting, ret); |
| 824 | instance->params.altsetting = 0; /* fall back to default */ |
Duncan Sands | 6f74947 | 2006-01-13 10:52:38 +0100 | [diff] [blame] | 825 | } |
| 826 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 827 | if (!instance->params.altsetting && use_isoc) |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 828 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_ISOC_ALTSETTING)) < 0) { |
| 829 | usb_dbg(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_ISOC_ALTSETTING, ret); |
| 830 | use_isoc = 0; /* fall back to bulk */ |
| 831 | } |
| 832 | |
| 833 | if (use_isoc) { |
| 834 | const struct usb_host_interface *desc = data_intf->cur_altsetting; |
| 835 | const __u8 target_address = USB_DIR_IN | usbatm->driver->isoc_in; |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 836 | |
| 837 | use_isoc = 0; /* fall back to bulk if endpoint not found */ |
| 838 | |
Nicolas Kaiser | 9196cc7 | 2010-06-09 20:43:03 +0200 | [diff] [blame] | 839 | for (i = 0; i < desc->desc.bNumEndpoints; i++) { |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 840 | const struct usb_endpoint_descriptor *endpoint_desc = &desc->endpoint[i].desc; |
| 841 | |
| 842 | if ((endpoint_desc->bEndpointAddress == target_address)) { |
Luiz Fernando N. Capitulino | c5dd1f9 | 2006-10-26 13:02:58 -0300 | [diff] [blame] | 843 | use_isoc = |
| 844 | usb_endpoint_xfer_isoc(endpoint_desc); |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 845 | break; |
| 846 | } |
| 847 | } |
| 848 | |
| 849 | if (!use_isoc) |
| 850 | usb_info(usbatm, "isochronous transfer not supported - using bulk\n"); |
| 851 | } |
| 852 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 853 | if (!use_isoc && !instance->params.altsetting) |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 854 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_BULK_ALTSETTING)) < 0) { |
| 855 | usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_BULK_ALTSETTING, ret); |
Duncan Sands | 6f74947 | 2006-01-13 10:52:38 +0100 | [diff] [blame] | 856 | goto fail_free; |
| 857 | } |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 858 | |
Duncan Sands | 6a4f1b4 | 2006-10-05 10:40:55 +0200 | [diff] [blame] | 859 | if (!instance->params.altsetting) |
| 860 | instance->params.altsetting = use_isoc ? DEFAULT_ISOC_ALTSETTING : DEFAULT_BULK_ALTSETTING; |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 861 | |
| 862 | usbatm->flags |= (use_isoc ? UDSL_USE_ISOC : 0); |
Duncan Sands | 6f74947 | 2006-01-13 10:52:38 +0100 | [diff] [blame] | 863 | |
Tejun Heo | 37c95bf | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 864 | INIT_WORK(&instance->status_check_work, speedtch_check_status); |
Kees Cook | 72a9f9a | 2017-10-21 00:12:34 -0700 | [diff] [blame] | 865 | timer_setup(&instance->status_check_timer, speedtch_status_poll, 0); |
Duncan Sands | 1a7aad1 | 2005-06-23 09:37:56 +0200 | [diff] [blame] | 866 | instance->last_status = 0xff; |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 867 | instance->poll_delay = MIN_POLL_DELAY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 868 | |
Kees Cook | 72a9f9a | 2017-10-21 00:12:34 -0700 | [diff] [blame] | 869 | timer_setup(&instance->resubmit_timer, speedtch_resubmit_int, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 870 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 871 | instance->int_urb = usb_alloc_urb(0, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 872 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 873 | if (instance->int_urb) |
| 874 | usb_fill_int_urb(instance->int_urb, usb_dev, |
| 875 | usb_rcvintpipe(usb_dev, ENDPOINT_INT), |
| 876 | instance->int_data, sizeof(instance->int_data), |
Felipe Balbi | afb8aae | 2013-07-01 11:23:23 +0300 | [diff] [blame] | 877 | speedtch_handle_int, instance, 16); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 878 | else |
| 879 | usb_dbg(usbatm, "%s: no memory for interrupt urb!\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 881 | /* check whether the modem already seems to be alive */ |
| 882 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 883 | 0x12, 0xc0, 0x07, 0x00, |
| 884 | instance->scratch_buffer + OFFSET_7, SIZE_7, 500); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 885 | |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 886 | usbatm->flags |= (ret == SIZE_7 ? UDSL_SKIP_HEAVY_INIT : 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 887 | |
Duncan Sands | 35644b0 | 2006-01-17 11:16:13 +0100 | [diff] [blame] | 888 | usb_dbg(usbatm, "%s: firmware %s loaded\n", __func__, usbatm->flags & UDSL_SKIP_HEAVY_INIT ? "already" : "not"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 889 | |
Duncan Sands | 35644b0 | 2006-01-17 11:16:13 +0100 | [diff] [blame] | 890 | if (!(usbatm->flags & UDSL_SKIP_HEAVY_INIT)) |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 891 | if ((ret = usb_reset_device(usb_dev)) < 0) { |
| 892 | usb_err(usbatm, "%s: device reset failed (%d)!\n", __func__, ret); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 893 | goto fail_free; |
Duncan Sands | 0ec3c7e | 2006-01-17 11:15:13 +0100 | [diff] [blame] | 894 | } |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 895 | |
| 896 | usbatm->driver_data = instance; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 897 | |
| 898 | return 0; |
| 899 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 900 | fail_free: |
| 901 | usb_free_urb(instance->int_urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | kfree(instance); |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 903 | fail_release: |
| 904 | speedtch_release_interfaces(usb_dev, num_interfaces); |
| 905 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 906 | } |
| 907 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 908 | static void speedtch_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 910 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
| 911 | struct speedtch_instance_data *instance = usbatm->driver_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 913 | usb_dbg(usbatm, "%s entered\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 914 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 915 | speedtch_release_interfaces(usb_dev, usb_dev->actconfig->desc.bNumInterfaces); |
| 916 | usb_free_urb(instance->int_urb); |
| 917 | kfree(instance); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 918 | } |
| 919 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 920 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 921 | /*********** |
| 922 | ** init ** |
| 923 | ***********/ |
| 924 | |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 925 | static struct usbatm_driver speedtch_usbatm_driver = { |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 926 | .driver_name = speedtch_driver_name, |
| 927 | .bind = speedtch_bind, |
| 928 | .heavy_init = speedtch_heavy_init, |
| 929 | .unbind = speedtch_unbind, |
| 930 | .atm_start = speedtch_atm_start, |
| 931 | .atm_stop = speedtch_atm_stop, |
Duncan Sands | 80aae7a | 2006-01-13 10:59:23 +0100 | [diff] [blame] | 932 | .bulk_in = ENDPOINT_BULK_DATA, |
| 933 | .bulk_out = ENDPOINT_BULK_DATA, |
| 934 | .isoc_in = ENDPOINT_ISOC_DATA |
Duncan Sands | 48da726 | 2005-05-11 20:20:40 +0200 | [diff] [blame] | 935 | }; |
| 936 | |
| 937 | static int speedtch_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) |
| 938 | { |
| 939 | return usbatm_usb_probe(intf, id, &speedtch_usbatm_driver); |
| 940 | } |
| 941 | |
Greg Kroah-Hartman | 65db430 | 2011-11-18 09:34:02 -0800 | [diff] [blame] | 942 | module_usb_driver(speedtch_usb_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 943 | |
| 944 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 945 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 946 | MODULE_LICENSE("GPL"); |