Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Line6 Linux USB driver - 0.8.0 |
| 3 | * |
| 4 | * Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at) |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation, version 2. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #include "driver.h" |
| 13 | |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/usb.h> |
| 17 | |
| 18 | #include "audio.h" |
| 19 | #include "capture.h" |
| 20 | #include "control.h" |
| 21 | #include "midi.h" |
| 22 | #include "playback.h" |
| 23 | #include "pod.h" |
| 24 | #include "revision.h" |
| 25 | #include "toneport.h" |
| 26 | #include "usbdefs.h" |
| 27 | #include "variax.h" |
| 28 | |
| 29 | |
| 30 | #define DRIVER_AUTHOR "Markus Grabner <grabner@icg.tugraz.at>" |
| 31 | #define DRIVER_DESC "Line6 USB Driver" |
| 32 | #define DRIVER_VERSION "0.8.0" |
| 33 | |
| 34 | |
| 35 | /* table of devices that work with this driver */ |
| 36 | static struct usb_device_id line6_id_table[] = { |
| 37 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXT) }, |
| 38 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTLIVE) }, |
| 39 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTPRO) }, |
| 40 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_GUITARPORT) }, |
| 41 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_POCKETPOD) }, |
| 42 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3) }, |
| 43 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODX3LIVE) }, |
| 44 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXT) }, |
| 45 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTLIVE) }, |
| 46 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_PODXTPRO) }, |
| 47 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_GX) }, |
| 48 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX1) }, |
| 49 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_TONEPORT_UX2) }, |
| 50 | { USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_VARIAX) }, |
| 51 | { }, |
| 52 | }; |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 53 | MODULE_DEVICE_TABLE(usb, line6_id_table); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 54 | |
| 55 | static struct line6_properties line6_properties_table[] = { |
| 56 | { "BassPODxt", LINE6_BIT_BASSPODXT, LINE6_BIT_CONTROL_PCM }, |
| 57 | { "BassPODxt Live", LINE6_BIT_BASSPODXTLIVE, LINE6_BIT_CONTROL_PCM }, |
| 58 | { "BassPODxt Pro", LINE6_BIT_BASSPODXTPRO, LINE6_BIT_CONTROL_PCM }, |
| 59 | { "GuitarPort", LINE6_BIT_GUITARPORT, LINE6_BIT_PCM }, |
| 60 | { "Pocket POD", LINE6_BIT_POCKETPOD, LINE6_BIT_CONTROL_PCM }, |
| 61 | { "POD X3", LINE6_BIT_PODX3, LINE6_BIT_PCM }, |
| 62 | { "POD X3 Live", LINE6_BIT_PODX3LIVE, LINE6_BIT_PCM }, |
| 63 | { "PODxt", LINE6_BIT_PODXT, LINE6_BIT_CONTROL_PCM }, |
| 64 | { "PODxt Live", LINE6_BIT_PODXTLIVE, LINE6_BIT_CONTROL_PCM }, |
| 65 | { "PODxt Pro", LINE6_BIT_PODXTPRO, LINE6_BIT_CONTROL_PCM }, |
| 66 | { "TonePort GX", LINE6_BIT_TONEPORT_GX, LINE6_BIT_PCM }, |
| 67 | { "TonePort UX1", LINE6_BIT_TONEPORT_UX1, LINE6_BIT_PCM }, |
| 68 | { "TonePort UX2", LINE6_BIT_TONEPORT_UX2, LINE6_BIT_PCM }, |
| 69 | { "Variax Workbench", LINE6_BIT_VARIAX, LINE6_BIT_CONTROL } |
| 70 | }; |
| 71 | |
| 72 | |
| 73 | /* |
| 74 | This is Line6's MIDI manufacturer ID. |
| 75 | */ |
| 76 | const unsigned char line6_midi_id[] = { 0x00, 0x01, 0x0c }; |
| 77 | |
| 78 | struct usb_line6 *line6_devices[LINE6_MAX_DEVICES]; |
| 79 | struct workqueue_struct *line6_workqueue; |
| 80 | |
| 81 | |
| 82 | /** |
| 83 | Class for asynchronous messages. |
| 84 | */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 85 | struct message { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 86 | struct usb_line6 *line6; |
| 87 | const char *buffer; |
| 88 | int size; |
| 89 | int done; |
| 90 | }; |
| 91 | |
| 92 | |
| 93 | /* |
| 94 | Forward declarations. |
| 95 | */ |
Greg Kroah-Hartman | 0c7ab15 | 2009-02-27 20:28:04 -0800 | [diff] [blame] | 96 | static void line6_data_received(struct urb *urb); |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 97 | static int line6_send_raw_message_async_part(struct message *msg, |
| 98 | struct urb *urb); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 99 | |
| 100 | |
| 101 | /* |
| 102 | Start to listen on endpoint. |
| 103 | */ |
| 104 | static int line6_start_listen(struct usb_line6 *line6) |
| 105 | { |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 106 | usb_fill_int_urb(line6->urb_listen, line6->usbdev, |
| 107 | usb_rcvintpipe(line6->usbdev, line6->ep_control_read), |
| 108 | line6->buffer_listen, LINE6_BUFSIZE_LISTEN, |
| 109 | line6_data_received, line6, line6->interval); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 110 | line6->urb_listen->actual_length = 0; |
| 111 | return usb_submit_urb(line6->urb_listen, GFP_KERNEL); |
| 112 | } |
| 113 | |
| 114 | #if DO_DUMP_ANY |
| 115 | /* |
| 116 | Write hexdump to syslog. |
| 117 | */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 118 | void line6_write_hexdump(struct usb_line6 *line6, char dir, |
| 119 | const unsigned char *buffer, int size) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 120 | { |
| 121 | static const int BYTES_PER_LINE = 8; |
| 122 | char hexdump[100]; |
| 123 | char asc[BYTES_PER_LINE + 1]; |
| 124 | int i, j; |
| 125 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 126 | for (i = 0; i < size; i += BYTES_PER_LINE) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 127 | int hexdumpsize = sizeof(hexdump); |
| 128 | char *p = hexdump; |
| 129 | int n = min(size - i, BYTES_PER_LINE); |
| 130 | asc[n] = 0; |
| 131 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 132 | for (j = 0; j < BYTES_PER_LINE; ++j) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 133 | int bytes; |
| 134 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 135 | if (j < n) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 136 | unsigned char val = buffer[i + j]; |
| 137 | bytes = snprintf(p, hexdumpsize, " %02X", val); |
| 138 | asc[j] = ((val >= 0x20) && (val < 0x7f)) ? val : '.'; |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 139 | } else |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 140 | bytes = snprintf(p, hexdumpsize, " "); |
| 141 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 142 | if (bytes > hexdumpsize) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 143 | break; /* buffer overflow */ |
| 144 | |
| 145 | p += bytes; |
| 146 | hexdumpsize -= bytes; |
| 147 | } |
| 148 | |
| 149 | dev_info(line6->ifcdev, "%c%04X:%s %s\n", dir, i, hexdump, asc); |
| 150 | } |
| 151 | } |
| 152 | #endif |
| 153 | |
| 154 | #if DO_DUMP_URB_RECEIVE |
| 155 | /* |
| 156 | Dump URB data to syslog. |
| 157 | */ |
| 158 | static void line6_dump_urb(struct urb *urb) |
| 159 | { |
| 160 | struct usb_line6 *line6 = (struct usb_line6 *)urb->context; |
| 161 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 162 | if (urb->status < 0) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 163 | return; |
| 164 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 165 | line6_write_hexdump(line6, 'R', (unsigned char *)urb->transfer_buffer, |
| 166 | urb->actual_length); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 167 | } |
| 168 | #endif |
| 169 | |
| 170 | /* |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 171 | Send raw message in pieces of max_packet_size bytes. |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 172 | */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 173 | int line6_send_raw_message(struct usb_line6 *line6, const char *buffer, |
| 174 | int size) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 175 | { |
| 176 | int i, done = 0; |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 177 | int actual_size; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 178 | |
| 179 | #if DO_DUMP_URB_SEND |
| 180 | line6_write_hexdump(line6, 'S', buffer, size); |
| 181 | #endif |
| 182 | |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 183 | for (i = 0; i < size; i += actual_size) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 184 | const char *frag_buf = buffer + i; |
| 185 | int frag_size = min(line6->max_packet_size, size - i); |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 186 | int retval; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 187 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 188 | retval = usb_interrupt_msg(line6->usbdev, |
| 189 | usb_sndintpipe(line6->usbdev, |
| 190 | line6->ep_control_write), |
| 191 | (char *)frag_buf, frag_size, |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 192 | &actual_size, LINE6_TIMEOUT * HZ); |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 193 | |
| 194 | if (retval) { |
| 195 | dev_err(line6->ifcdev, |
| 196 | "usb_interrupt_msg failed (%d)\n", retval); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 197 | break; |
| 198 | } |
| 199 | |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 200 | done += actual_size; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 201 | } |
| 202 | |
| 203 | return done; |
| 204 | } |
| 205 | |
| 206 | /* |
| 207 | Notification of completion of asynchronous request transmission. |
| 208 | */ |
Greg Kroah-Hartman | 0c7ab15 | 2009-02-27 20:28:04 -0800 | [diff] [blame] | 209 | static void line6_async_request_sent(struct urb *urb) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 210 | { |
| 211 | struct message *msg = (struct message *)urb->context; |
| 212 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 213 | if (msg->done >= msg->size) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 214 | usb_free_urb(urb); |
| 215 | kfree(msg); |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 216 | } else |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 217 | line6_send_raw_message_async_part(msg, urb); |
| 218 | } |
| 219 | |
| 220 | /* |
| 221 | Asynchronously send part of a raw message. |
| 222 | */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 223 | static int line6_send_raw_message_async_part(struct message *msg, |
| 224 | struct urb *urb) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 225 | { |
| 226 | int retval; |
| 227 | struct usb_line6 *line6 = msg->line6; |
| 228 | int done = msg->done; |
| 229 | int bytes = min(msg->size - done, line6->max_packet_size); |
| 230 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 231 | usb_fill_int_urb(urb, line6->usbdev, |
| 232 | usb_sndintpipe(line6->usbdev, line6->ep_control_write), |
| 233 | (char *)msg->buffer + done, bytes, |
| 234 | line6_async_request_sent, msg, line6->interval); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 235 | |
| 236 | #if DO_DUMP_URB_SEND |
| 237 | line6_write_hexdump(line6, 'S', (char *)msg->buffer + done, bytes); |
| 238 | #endif |
| 239 | |
| 240 | msg->done += bytes; |
| 241 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
| 242 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 243 | if (retval < 0) { |
| 244 | dev_err(line6->ifcdev, "%s: usb_submit_urb failed (%d)\n", |
| 245 | __func__, retval); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 246 | usb_free_urb(urb); |
| 247 | kfree(msg); |
| 248 | return -EINVAL; |
| 249 | } |
| 250 | |
| 251 | return 0; |
| 252 | } |
| 253 | |
| 254 | /* |
| 255 | Asynchronously send raw message. |
| 256 | */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 257 | int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer, |
| 258 | int size) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 259 | { |
| 260 | struct message *msg; |
| 261 | struct urb *urb; |
| 262 | |
| 263 | /* create message: */ |
| 264 | msg = kmalloc(sizeof(struct message), GFP_ATOMIC); |
| 265 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 266 | if (msg == NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 267 | dev_err(line6->ifcdev, "Out of memory\n"); |
| 268 | return -ENOMEM; |
| 269 | } |
| 270 | |
| 271 | /* create URB: */ |
| 272 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 273 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 274 | if (urb == NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 275 | kfree(msg); |
| 276 | dev_err(line6->ifcdev, "Out of memory\n"); |
| 277 | return -ENOMEM; |
| 278 | } |
| 279 | |
| 280 | /* set message data: */ |
| 281 | msg->line6 = line6; |
| 282 | msg->buffer = buffer; |
| 283 | msg->size = size; |
| 284 | msg->done = 0; |
| 285 | |
| 286 | /* start sending: */ |
| 287 | return line6_send_raw_message_async_part(msg, urb); |
| 288 | } |
| 289 | |
| 290 | /* |
| 291 | Send sysex message in pieces of wMaxPacketSize bytes. |
| 292 | */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 293 | int line6_send_sysex_message(struct usb_line6 *line6, const char *buffer, |
| 294 | int size) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 295 | { |
| 296 | return line6_send_raw_message(line6, buffer, size + SYSEX_EXTRA_SIZE) - SYSEX_EXTRA_SIZE; |
| 297 | } |
| 298 | |
| 299 | /* |
| 300 | Allocate buffer for sysex message and prepare header. |
| 301 | @param code sysex message code |
| 302 | @param size number of bytes between code and sysex end |
| 303 | */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 304 | char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, int code2, |
| 305 | int size) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 306 | { |
| 307 | char *buffer = kmalloc(size + SYSEX_EXTRA_SIZE, GFP_KERNEL); |
| 308 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 309 | if (!buffer) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 310 | dev_err(line6->ifcdev, "out of memory\n"); |
Greg Kroah-Hartman | 536165d | 2009-02-27 20:49:46 -0800 | [diff] [blame] | 311 | return NULL; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 312 | } |
| 313 | |
| 314 | buffer[0] = LINE6_SYSEX_BEGIN; |
| 315 | memcpy(buffer + 1, line6_midi_id, sizeof(line6_midi_id)); |
| 316 | buffer[sizeof(line6_midi_id) + 1] = code1; |
| 317 | buffer[sizeof(line6_midi_id) + 2] = code2; |
| 318 | buffer[sizeof(line6_midi_id) + 3 + size] = LINE6_SYSEX_END; |
| 319 | return buffer; |
| 320 | } |
| 321 | |
| 322 | /* |
| 323 | Notification of data received from the Line6 device. |
| 324 | */ |
Greg Kroah-Hartman | 0c7ab15 | 2009-02-27 20:28:04 -0800 | [diff] [blame] | 325 | static void line6_data_received(struct urb *urb) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 326 | { |
| 327 | struct usb_line6 *line6 = (struct usb_line6 *)urb->context; |
| 328 | struct MidiBuffer *mb = &line6->line6midi->midibuf_in; |
| 329 | int done; |
| 330 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 331 | if (urb->status == -ESHUTDOWN) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 332 | return; |
| 333 | |
| 334 | #if DO_DUMP_URB_RECEIVE |
| 335 | line6_dump_urb(urb); |
| 336 | #endif |
| 337 | |
| 338 | done = midibuf_write(mb, urb->transfer_buffer, urb->actual_length); |
| 339 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 340 | if (done < urb->actual_length) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 341 | midibuf_ignore(mb, done); |
| 342 | DEBUG_MESSAGES(dev_err(line6->ifcdev, "%d %d buffer overflow - message skipped\n", done, urb->actual_length)); |
| 343 | } |
| 344 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 345 | for (;;) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 346 | done = midibuf_read(mb, line6->buffer_message, LINE6_MESSAGE_MAXLEN); |
| 347 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 348 | if (done == 0) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 349 | break; |
| 350 | |
| 351 | /* MIDI input filter */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 352 | if (midibuf_skip_message(mb, line6->line6midi->midi_mask_receive)) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 353 | continue; |
| 354 | |
| 355 | line6->message_length = done; |
| 356 | #if DO_DUMP_MIDI_RECEIVE |
| 357 | line6_write_hexdump(line6, 'r', line6->buffer_message, done); |
| 358 | #endif |
| 359 | line6_midi_receive(line6, line6->buffer_message, done); |
| 360 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 361 | switch (line6->usbdev->descriptor.idProduct) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 362 | case LINE6_DEVID_BASSPODXT: |
| 363 | case LINE6_DEVID_BASSPODXTLIVE: |
| 364 | case LINE6_DEVID_BASSPODXTPRO: |
| 365 | case LINE6_DEVID_PODXT: |
| 366 | case LINE6_DEVID_PODXTPRO: |
| 367 | case LINE6_DEVID_POCKETPOD: |
| 368 | pod_process_message((struct usb_line6_pod *)line6); |
| 369 | break; |
| 370 | |
| 371 | case LINE6_DEVID_PODXTLIVE: |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 372 | switch (line6->interface_number) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 373 | case PODXTLIVE_INTERFACE_POD: |
| 374 | pod_process_message((struct usb_line6_pod *)line6); |
| 375 | break; |
| 376 | |
| 377 | case PODXTLIVE_INTERFACE_VARIAX: |
| 378 | variax_process_message((struct usb_line6_variax *)line6); |
| 379 | break; |
| 380 | |
| 381 | default: |
| 382 | dev_err(line6->ifcdev, "PODxt Live interface %d not supported\n", line6->interface_number); |
| 383 | } |
| 384 | break; |
| 385 | |
| 386 | case LINE6_DEVID_VARIAX: |
| 387 | variax_process_message((struct usb_line6_variax *)line6); |
| 388 | break; |
| 389 | |
| 390 | default: |
| 391 | MISSING_CASE; |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | line6_start_listen(line6); |
| 396 | } |
| 397 | |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 398 | static int line6_send(struct usb_line6 *line6, unsigned char *buf, size_t len) |
| 399 | { |
| 400 | int retval; |
| 401 | unsigned int partial; |
| 402 | |
| 403 | #if DO_DUMP_URB_SEND |
| 404 | line6_write_hexdump(line6, 'S', buf, len); |
| 405 | #endif |
| 406 | |
| 407 | retval = usb_interrupt_msg(line6->usbdev, |
| 408 | usb_sndintpipe(line6->usbdev, |
| 409 | line6->ep_control_write), |
| 410 | buf, len, &partial, |
| 411 | LINE6_TIMEOUT * HZ); |
| 412 | |
| 413 | if (retval) { |
| 414 | dev_err(line6->ifcdev, |
| 415 | "usb_interrupt_msg failed (%d)\n", retval); |
| 416 | } |
| 417 | |
| 418 | if (partial != len) { |
| 419 | dev_err(line6->ifcdev, |
| 420 | "usb_interrupt_msg sent partial message (%d)\n", |
| 421 | retval); |
| 422 | } |
| 423 | |
| 424 | return retval; |
| 425 | } |
| 426 | |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 427 | /* |
| 428 | Send channel number (i.e., switch to a different sound). |
| 429 | */ |
| 430 | int line6_send_program(struct usb_line6 *line6, int value) |
| 431 | { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 432 | unsigned char *buffer; |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 433 | size_t len = 2; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 434 | |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 435 | buffer = kmalloc(len, GFP_KERNEL); |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 436 | if (!buffer) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 437 | dev_err(line6->ifcdev, "out of memory\n"); |
| 438 | return -ENOMEM; |
| 439 | } |
| 440 | |
| 441 | buffer[0] = LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST; |
| 442 | buffer[1] = value; |
| 443 | |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 444 | return line6_send(line6, buffer, len); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 445 | } |
| 446 | |
| 447 | /* |
| 448 | Transmit Line6 control parameter. |
| 449 | */ |
| 450 | int line6_transmit_parameter(struct usb_line6 *line6, int param, int value) |
| 451 | { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 452 | unsigned char *buffer; |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 453 | size_t len = 3; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 454 | |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 455 | buffer = kmalloc(len, GFP_KERNEL); |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 456 | if (!buffer) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 457 | dev_err(line6->ifcdev, "out of memory\n"); |
| 458 | return -ENOMEM; |
| 459 | } |
| 460 | |
| 461 | buffer[0] = LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST; |
| 462 | buffer[1] = param; |
| 463 | buffer[2] = value; |
| 464 | |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 465 | return line6_send(line6, buffer, len); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 466 | } |
| 467 | |
| 468 | /* |
| 469 | Read data from device. |
| 470 | */ |
| 471 | int line6_read_data(struct usb_line6 *line6, int address, void *data, size_t datalen) |
| 472 | { |
| 473 | struct usb_device *usbdev = line6->usbdev; |
| 474 | int ret; |
| 475 | unsigned char len; |
| 476 | |
| 477 | /* query the serial number: */ |
| 478 | ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67, |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 479 | USB_TYPE_VENDOR | USB_RECIP_DEVICE |
| 480 | | USB_DIR_OUT, |
| 481 | (datalen << 8) | 0x21, address, |
| 482 | NULL, 0, LINE6_TIMEOUT * HZ); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 483 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 484 | if (ret < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 485 | dev_err(line6->ifcdev, "read request failed (error %d)\n", ret); |
| 486 | return ret; |
| 487 | } |
| 488 | |
| 489 | /* Wait for data length. We'll get a couple of 0xff until length arrives. */ |
| 490 | do { |
| 491 | ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 492 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | |
| 493 | USB_DIR_IN, |
| 494 | 0x0012, 0x0000, &len, 1, |
| 495 | LINE6_TIMEOUT * HZ); |
| 496 | if (ret < 0) { |
| 497 | dev_err(line6->ifcdev, |
| 498 | "receive length failed (error %d)\n", ret); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 499 | return ret; |
| 500 | } |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 501 | } while (len == 0xff); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 502 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 503 | if (len != datalen) { |
| 504 | /* should be equal or something went wrong */ |
| 505 | dev_err(line6->ifcdev, |
| 506 | "length mismatch (expected %d, got %d)\n", |
| 507 | (int)datalen, (int)len); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 508 | return -EINVAL; |
| 509 | } |
| 510 | |
| 511 | /* receive the result: */ |
| 512 | ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 513 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
| 514 | 0x0013, 0x0000, data, datalen, |
| 515 | LINE6_TIMEOUT * HZ); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 516 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 517 | if (ret < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 518 | dev_err(line6->ifcdev, "read failed (error %d)\n", ret); |
| 519 | return ret; |
| 520 | } |
| 521 | |
| 522 | return 0; |
| 523 | } |
| 524 | |
| 525 | /* |
| 526 | Write data to device. |
| 527 | */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 528 | int line6_write_data(struct usb_line6 *line6, int address, void *data, |
| 529 | size_t datalen) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 530 | { |
| 531 | struct usb_device *usbdev = line6->usbdev; |
| 532 | int ret; |
| 533 | unsigned char status; |
| 534 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 535 | ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67, |
| 536 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, |
| 537 | 0x0022, address, data, datalen, |
| 538 | LINE6_TIMEOUT * HZ); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 539 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 540 | if (ret < 0) { |
| 541 | dev_err(line6->ifcdev, |
| 542 | "write request failed (error %d)\n", ret); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 543 | return ret; |
| 544 | } |
| 545 | |
| 546 | do { |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 547 | ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), |
| 548 | 0x67, |
| 549 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | |
| 550 | USB_DIR_IN, |
| 551 | 0x0012, 0x0000, |
| 552 | &status, 1, LINE6_TIMEOUT * HZ); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 553 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 554 | if (ret < 0) { |
| 555 | dev_err(line6->ifcdev, |
| 556 | "receiving status failed (error %d)\n", ret); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 557 | return ret; |
| 558 | } |
| 559 | } |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 560 | while (status == 0xff) |
| 561 | ; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 562 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 563 | if (status != 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 564 | dev_err(line6->ifcdev, "write failed (error %d)\n", ret); |
| 565 | return -EINVAL; |
| 566 | } |
| 567 | |
| 568 | return 0; |
| 569 | } |
| 570 | |
| 571 | /* |
| 572 | Read Line6 device serial number. |
| 573 | (POD, TonePort, GuitarPort) |
| 574 | */ |
| 575 | int line6_read_serial_number(struct usb_line6 *line6, int *serial_number) |
| 576 | { |
| 577 | return line6_read_data(line6, 0x80d0, serial_number, sizeof(*serial_number)); |
| 578 | } |
| 579 | |
| 580 | /* |
| 581 | No operation (i.e., unsupported). |
| 582 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 583 | ssize_t line6_nop_read(struct device *dev, struct device_attribute *attr, |
| 584 | char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 585 | { |
| 586 | return 0; |
| 587 | } |
| 588 | |
| 589 | /* |
| 590 | No operation (i.e., unsupported). |
| 591 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 592 | ssize_t line6_nop_write(struct device *dev, struct device_attribute *attr, |
| 593 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 594 | { |
| 595 | return count; |
| 596 | } |
| 597 | |
| 598 | /* |
| 599 | "write" request on "raw" special file. |
| 600 | */ |
| 601 | #if CREATE_RAW_FILE |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 602 | ssize_t line6_set_raw(struct device *dev, struct device_attribute *attr, |
| 603 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 604 | { |
| 605 | struct usb_interface *interface = to_usb_interface(dev); |
| 606 | struct usb_line6 *line6 = usb_get_intfdata(interface); |
| 607 | line6_send_raw_message(line6, buf, count); |
| 608 | return count; |
| 609 | } |
| 610 | #endif |
| 611 | |
| 612 | /* |
| 613 | Generic destructor. |
| 614 | */ |
| 615 | static void line6_destruct(struct usb_interface *interface) |
| 616 | { |
| 617 | struct usb_line6 *line6; |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 618 | |
| 619 | if (interface == NULL) |
| 620 | return; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 621 | line6 = usb_get_intfdata(interface); |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 622 | if (line6 == NULL) |
| 623 | return; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 624 | |
| 625 | /* free buffer memory first: */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 626 | kfree(line6->buffer_message); |
| 627 | kfree(line6->buffer_listen); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 628 | |
| 629 | /* then free URBs: */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 630 | usb_free_urb(line6->urb_listen); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 631 | |
| 632 | /* make sure the device isn't destructed twice: */ |
| 633 | usb_set_intfdata(interface, NULL); |
| 634 | |
| 635 | /* free interface data: */ |
| 636 | kfree(line6); |
| 637 | } |
| 638 | |
| 639 | static void line6_list_devices(void) |
| 640 | { |
| 641 | int i; |
| 642 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 643 | for (i = 0; i < LINE6_MAX_DEVICES; ++i) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 644 | struct usb_line6 *dev = line6_devices[i]; |
| 645 | printk(KERN_INFO "Line6 device %d: ", i); |
| 646 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 647 | if (dev == NULL) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 648 | printk("(not used)\n"); |
| 649 | else |
| 650 | printk("%s:%d\n", dev->properties->name, dev->interface_number); |
| 651 | } |
| 652 | } |
| 653 | |
| 654 | /* |
| 655 | Probe USB device. |
| 656 | */ |
| 657 | static int line6_probe(struct usb_interface *interface, const struct usb_device_id *id) |
| 658 | { |
| 659 | int devtype; |
Greg Kroah-Hartman | 536165d | 2009-02-27 20:49:46 -0800 | [diff] [blame] | 660 | struct usb_device *usbdev = NULL; |
| 661 | struct usb_line6 *line6 = NULL; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 662 | const struct line6_properties *properties; |
| 663 | int devnum; |
| 664 | int interface_number, alternate = 0; |
| 665 | int product; |
| 666 | int size = 0; |
| 667 | int ep_read = 0, ep_write = 0; |
| 668 | int ret; |
| 669 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 670 | if (interface == NULL) |
| 671 | return -ENODEV; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 672 | usbdev = interface_to_usbdev(interface); |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 673 | if (usbdev == NULL) |
| 674 | return -ENODEV; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 675 | |
| 676 | /* increment reference counters: */ |
| 677 | usb_get_intf(interface); |
| 678 | usb_get_dev(usbdev); |
| 679 | |
| 680 | /* we don't handle multiple configurations */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 681 | if (usbdev->descriptor.bNumConfigurations != 1) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 682 | return -ENODEV; |
| 683 | |
| 684 | /* check vendor and product id */ |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 685 | for (devtype = ARRAY_SIZE(line6_id_table) - 1; devtype--;) { |
| 686 | u16 vendor = le16_to_cpu(usbdev->descriptor.idVendor); |
| 687 | u16 product = le16_to_cpu(usbdev->descriptor.idProduct); |
| 688 | |
| 689 | if (vendor == line6_id_table[devtype].idVendor |
| 690 | && product == line6_id_table[devtype].idProduct) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 691 | break; |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 692 | } |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 693 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 694 | if (devtype < 0) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 695 | return -ENODEV; |
| 696 | |
| 697 | /* find free slot in device table: */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 698 | for (devnum = 0; devnum < LINE6_MAX_DEVICES; ++devnum) |
| 699 | if (line6_devices[devnum] == NULL) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 700 | break; |
| 701 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 702 | if (devnum == LINE6_MAX_DEVICES) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 703 | return -ENODEV; |
| 704 | |
| 705 | /* initialize device info: */ |
| 706 | properties = &line6_properties_table[devtype]; |
| 707 | dev_info(&interface->dev, "Line6 %s found\n", properties->name); |
| 708 | product = le16_to_cpu(usbdev->descriptor.idProduct); |
| 709 | |
| 710 | /* query interface number */ |
| 711 | interface_number = interface->cur_altsetting->desc.bInterfaceNumber; |
| 712 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 713 | switch (product) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 714 | case LINE6_DEVID_BASSPODXTLIVE: |
| 715 | case LINE6_DEVID_POCKETPOD: |
| 716 | case LINE6_DEVID_PODXTLIVE: |
| 717 | case LINE6_DEVID_VARIAX: |
| 718 | alternate = 1; |
| 719 | break; |
| 720 | |
| 721 | case LINE6_DEVID_PODX3: |
| 722 | case LINE6_DEVID_PODX3LIVE: |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 723 | switch (interface_number) { |
| 724 | case 0: |
| 725 | alternate = 1; |
| 726 | break; |
| 727 | case 1: |
| 728 | alternate = 0; |
| 729 | break; |
| 730 | default: |
| 731 | MISSING_CASE; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 732 | } |
| 733 | break; |
| 734 | |
| 735 | case LINE6_DEVID_BASSPODXT: |
| 736 | case LINE6_DEVID_BASSPODXTPRO: |
| 737 | case LINE6_DEVID_PODXT: |
| 738 | case LINE6_DEVID_PODXTPRO: |
| 739 | alternate = 5; |
| 740 | break; |
| 741 | |
| 742 | case LINE6_DEVID_TONEPORT_GX: |
| 743 | case LINE6_DEVID_GUITARPORT: |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 744 | alternate = 2; /* 1..4 seem to be ok */ |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 745 | break; |
| 746 | |
| 747 | case LINE6_DEVID_TONEPORT_UX1: |
| 748 | case LINE6_DEVID_TONEPORT_UX2: |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 749 | switch (interface_number) { |
| 750 | case 0: |
| 751 | /* defaults to 44.1kHz, 16-bit */ |
| 752 | alternate = 2; |
| 753 | break; |
| 754 | case 1: |
| 755 | alternate = 0; |
| 756 | break; |
| 757 | default: |
| 758 | MISSING_CASE; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 759 | } |
| 760 | break; |
| 761 | |
| 762 | default: |
| 763 | MISSING_CASE; |
| 764 | return -ENODEV; |
| 765 | } |
| 766 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 767 | ret = usb_set_interface(usbdev, interface_number, alternate); |
| 768 | if (ret < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 769 | dev_err(&interface->dev, "set_interface failed\n"); |
| 770 | return ret; |
| 771 | } |
| 772 | |
| 773 | /* initialize device data based on product id: */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 774 | switch (product) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 775 | case LINE6_DEVID_BASSPODXT: |
| 776 | case LINE6_DEVID_BASSPODXTLIVE: |
| 777 | case LINE6_DEVID_BASSPODXTPRO: |
| 778 | case LINE6_DEVID_POCKETPOD: |
| 779 | case LINE6_DEVID_PODXT: |
| 780 | case LINE6_DEVID_PODXTPRO: |
| 781 | size = sizeof(struct usb_line6_pod); |
| 782 | ep_read = 0x84; |
| 783 | ep_write = 0x03; |
| 784 | break; |
| 785 | |
| 786 | case LINE6_DEVID_PODX3: |
| 787 | case LINE6_DEVID_PODX3LIVE: |
| 788 | /* currently unused! */ |
| 789 | size = sizeof(struct usb_line6_pod); |
| 790 | ep_read = 0x81; |
| 791 | ep_write = 0x01; |
| 792 | break; |
| 793 | |
| 794 | case LINE6_DEVID_TONEPORT_GX: |
| 795 | case LINE6_DEVID_TONEPORT_UX1: |
| 796 | case LINE6_DEVID_TONEPORT_UX2: |
| 797 | case LINE6_DEVID_GUITARPORT: |
| 798 | size = sizeof(struct usb_line6_toneport); |
| 799 | /* these don't have a control channel */ |
| 800 | break; |
| 801 | |
| 802 | case LINE6_DEVID_PODXTLIVE: |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 803 | switch (interface_number) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 804 | case PODXTLIVE_INTERFACE_POD: |
| 805 | size = sizeof(struct usb_line6_pod); |
| 806 | ep_read = 0x84; |
| 807 | ep_write = 0x03; |
| 808 | break; |
| 809 | |
| 810 | case PODXTLIVE_INTERFACE_VARIAX: |
| 811 | size = sizeof(struct usb_line6_variax); |
| 812 | ep_read = 0x86; |
| 813 | ep_write = 0x05; |
| 814 | break; |
| 815 | |
| 816 | default: |
| 817 | return -ENODEV; |
| 818 | } |
| 819 | break; |
| 820 | |
| 821 | case LINE6_DEVID_VARIAX: |
| 822 | size = sizeof(struct usb_line6_variax); |
| 823 | ep_read = 0x82; |
| 824 | ep_write = 0x01; |
| 825 | break; |
| 826 | |
| 827 | default: |
| 828 | MISSING_CASE; |
| 829 | return -ENODEV; |
| 830 | } |
| 831 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 832 | if (size == 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 833 | dev_err(line6->ifcdev, "driver bug: interface data size not set\n"); |
| 834 | return -ENODEV; |
| 835 | } |
| 836 | |
| 837 | line6 = kzalloc(size, GFP_KERNEL); |
| 838 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 839 | if (line6 == NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 840 | dev_err(&interface->dev, "Out of memory\n"); |
| 841 | return -ENOMEM; |
| 842 | } |
| 843 | |
| 844 | /* store basic data: */ |
| 845 | line6->interface_number = interface_number; |
| 846 | line6->properties = properties; |
| 847 | line6->usbdev = usbdev; |
| 848 | line6->ifcdev = &interface->dev; |
| 849 | line6->ep_control_read = ep_read; |
| 850 | line6->ep_control_write = ep_write; |
| 851 | line6->product = product; |
| 852 | |
| 853 | /* get data from endpoint descriptor (see usb_maxpacket): */ |
| 854 | { |
| 855 | struct usb_host_endpoint *ep; |
| 856 | unsigned epnum = usb_pipeendpoint(usb_rcvintpipe(usbdev, ep_read)); |
| 857 | ep = usbdev->ep_in[epnum]; |
| 858 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 859 | if (ep != NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 860 | line6->interval = ep->desc.bInterval; |
| 861 | line6->max_packet_size = le16_to_cpu(ep->desc.wMaxPacketSize); |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 862 | } else { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 863 | line6->interval = LINE6_FALLBACK_INTERVAL; |
| 864 | line6->max_packet_size = LINE6_FALLBACK_MAXPACKETSIZE; |
| 865 | dev_err(line6->ifcdev, "endpoint not available, using fallback values"); |
| 866 | } |
| 867 | } |
| 868 | |
| 869 | usb_set_intfdata(interface, line6); |
| 870 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 871 | if (properties->capabilities & LINE6_BIT_CONTROL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 872 | /* initialize USB buffers: */ |
| 873 | line6->buffer_listen = kmalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL); |
| 874 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 875 | if (line6->buffer_listen == NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 876 | dev_err(&interface->dev, "Out of memory\n"); |
| 877 | line6_destruct(interface); |
| 878 | return -ENOMEM; |
| 879 | } |
| 880 | |
| 881 | line6->buffer_message = kmalloc(LINE6_MESSAGE_MAXLEN, GFP_KERNEL); |
| 882 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 883 | if (line6->buffer_message == NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 884 | dev_err(&interface->dev, "Out of memory\n"); |
| 885 | line6_destruct(interface); |
| 886 | return -ENOMEM; |
| 887 | } |
| 888 | |
| 889 | line6->urb_listen = usb_alloc_urb(0, GFP_KERNEL); |
| 890 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 891 | if (line6->urb_listen == NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 892 | dev_err(&interface->dev, "Out of memory\n"); |
| 893 | line6_destruct(interface); |
| 894 | return -ENOMEM; |
| 895 | } |
| 896 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 897 | ret = line6_start_listen(line6); |
| 898 | if (ret < 0) { |
| 899 | dev_err(&interface->dev, "%s: usb_submit_urb failed\n", |
| 900 | __func__); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 901 | line6_destruct(interface); |
| 902 | return ret; |
| 903 | } |
| 904 | } |
| 905 | |
| 906 | /* initialize device data based on product id: */ |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 907 | switch (product) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 908 | case LINE6_DEVID_BASSPODXT: |
| 909 | case LINE6_DEVID_BASSPODXTLIVE: |
| 910 | case LINE6_DEVID_BASSPODXTPRO: |
| 911 | case LINE6_DEVID_POCKETPOD: |
| 912 | case LINE6_DEVID_PODX3: |
| 913 | case LINE6_DEVID_PODX3LIVE: |
| 914 | case LINE6_DEVID_PODXT: |
| 915 | case LINE6_DEVID_PODXTPRO: |
| 916 | ret = pod_init(interface, (struct usb_line6_pod *)line6); |
| 917 | break; |
| 918 | |
| 919 | case LINE6_DEVID_PODXTLIVE: |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 920 | switch (interface_number) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 921 | case PODXTLIVE_INTERFACE_POD: |
| 922 | ret = pod_init(interface, (struct usb_line6_pod *)line6); |
| 923 | break; |
| 924 | |
| 925 | case PODXTLIVE_INTERFACE_VARIAX: |
| 926 | ret = variax_init(interface, (struct usb_line6_variax *)line6); |
| 927 | break; |
| 928 | |
| 929 | default: |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 930 | dev_err(&interface->dev, |
| 931 | "PODxt Live interface %d not supported\n", |
| 932 | interface_number); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 933 | ret = -ENODEV; |
| 934 | } |
| 935 | |
| 936 | break; |
| 937 | |
| 938 | case LINE6_DEVID_VARIAX: |
| 939 | ret = variax_init(interface, (struct usb_line6_variax *)line6); |
| 940 | break; |
| 941 | |
| 942 | case LINE6_DEVID_TONEPORT_GX: |
| 943 | case LINE6_DEVID_TONEPORT_UX1: |
| 944 | case LINE6_DEVID_TONEPORT_UX2: |
| 945 | case LINE6_DEVID_GUITARPORT: |
| 946 | ret = toneport_init(interface, (struct usb_line6_toneport *)line6); |
| 947 | break; |
| 948 | |
| 949 | default: |
| 950 | MISSING_CASE; |
| 951 | ret = -ENODEV; |
| 952 | } |
| 953 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 954 | if (ret < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 955 | line6_destruct(interface); |
| 956 | return ret; |
| 957 | } |
| 958 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 959 | ret = sysfs_create_link(&interface->dev.kobj, &usbdev->dev.kobj, |
| 960 | "usb_device"); |
| 961 | if (ret < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 962 | line6_destruct(interface); |
| 963 | return ret; |
| 964 | } |
| 965 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 966 | dev_info(&interface->dev, "Line6 %s now attached\n", |
| 967 | line6->properties->name); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 968 | line6_devices[devnum] = line6; |
| 969 | line6_list_devices(); |
| 970 | return ret; |
| 971 | } |
| 972 | |
| 973 | /* |
| 974 | Line6 device disconnected. |
| 975 | */ |
| 976 | static void line6_disconnect(struct usb_interface *interface) |
| 977 | { |
| 978 | struct usb_line6 *line6; |
| 979 | struct usb_device *usbdev; |
| 980 | int interface_number, i; |
| 981 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 982 | if (interface == NULL) |
| 983 | return; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 984 | usbdev = interface_to_usbdev(interface); |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 985 | if (usbdev == NULL) |
| 986 | return; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 987 | |
| 988 | sysfs_remove_link(&interface->dev.kobj, "usb_device"); |
| 989 | |
| 990 | interface_number = interface->cur_altsetting->desc.bInterfaceNumber; |
| 991 | line6 = usb_get_intfdata(interface); |
| 992 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 993 | if (line6 != NULL) { |
| 994 | if (line6->urb_listen != NULL) |
| 995 | usb_kill_urb(line6->urb_listen); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 996 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 997 | if (usbdev != line6->usbdev) |
| 998 | dev_err(line6->ifcdev, |
| 999 | "driver bug: inconsistent usb device\n"); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1000 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 1001 | switch (line6->usbdev->descriptor.idProduct) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1002 | case LINE6_DEVID_BASSPODXT: |
| 1003 | case LINE6_DEVID_BASSPODXTLIVE: |
| 1004 | case LINE6_DEVID_BASSPODXTPRO: |
| 1005 | case LINE6_DEVID_POCKETPOD: |
| 1006 | case LINE6_DEVID_PODX3: |
| 1007 | case LINE6_DEVID_PODX3LIVE: |
| 1008 | case LINE6_DEVID_PODXT: |
| 1009 | case LINE6_DEVID_PODXTPRO: |
| 1010 | pod_disconnect(interface); |
| 1011 | break; |
| 1012 | |
| 1013 | case LINE6_DEVID_PODXTLIVE: |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 1014 | switch (interface_number) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1015 | case PODXTLIVE_INTERFACE_POD: |
| 1016 | pod_disconnect(interface); |
| 1017 | break; |
| 1018 | |
| 1019 | case PODXTLIVE_INTERFACE_VARIAX: |
| 1020 | variax_disconnect(interface); |
| 1021 | break; |
| 1022 | } |
| 1023 | |
| 1024 | break; |
| 1025 | |
| 1026 | case LINE6_DEVID_VARIAX: |
| 1027 | variax_disconnect(interface); |
| 1028 | break; |
| 1029 | |
| 1030 | case LINE6_DEVID_TONEPORT_GX: |
| 1031 | case LINE6_DEVID_TONEPORT_UX1: |
| 1032 | case LINE6_DEVID_TONEPORT_UX2: |
| 1033 | case LINE6_DEVID_GUITARPORT: |
| 1034 | toneport_disconnect(interface); |
| 1035 | break; |
| 1036 | |
| 1037 | default: |
| 1038 | MISSING_CASE; |
| 1039 | } |
| 1040 | |
| 1041 | dev_info(&interface->dev, "Line6 %s now disconnected\n", line6->properties->name); |
| 1042 | |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 1043 | for (i = LINE6_MAX_DEVICES; i--;) { |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 1044 | if (line6_devices[i] == line6) |
Greg Kroah-Hartman | 536165d | 2009-02-27 20:49:46 -0800 | [diff] [blame] | 1045 | line6_devices[i] = NULL; |
Frederik Deweerdt | d722a51 | 2009-09-15 09:29:43 +0000 | [diff] [blame^] | 1046 | } |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1047 | } |
| 1048 | |
| 1049 | line6_destruct(interface); |
| 1050 | |
| 1051 | /* decrement reference counters: */ |
| 1052 | usb_put_intf(interface); |
| 1053 | usb_put_dev(usbdev); |
| 1054 | |
| 1055 | line6_list_devices(); |
| 1056 | } |
| 1057 | |
| 1058 | static struct usb_driver line6_driver = { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1059 | .name = DRIVER_NAME, |
| 1060 | .probe = line6_probe, |
| 1061 | .disconnect = line6_disconnect, |
| 1062 | .id_table = line6_id_table, |
| 1063 | }; |
| 1064 | |
| 1065 | /* |
| 1066 | Module initialization. |
| 1067 | */ |
| 1068 | static int __init line6_init(void) |
| 1069 | { |
| 1070 | int i, retval; |
| 1071 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 1072 | printk(KERN_INFO "%s driver version %s%s\n", |
| 1073 | DRIVER_NAME, DRIVER_VERSION, DRIVER_REVISION); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1074 | line6_workqueue = create_workqueue(DRIVER_NAME); |
| 1075 | |
Greg Kroah-Hartman | 536165d | 2009-02-27 20:49:46 -0800 | [diff] [blame] | 1076 | if (line6_workqueue == NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1077 | err("couldn't create workqueue"); |
| 1078 | return -EINVAL; |
| 1079 | } |
| 1080 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 1081 | for (i = LINE6_MAX_DEVICES; i--;) |
Greg Kroah-Hartman | 536165d | 2009-02-27 20:49:46 -0800 | [diff] [blame] | 1082 | line6_devices[i] = NULL; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1083 | |
| 1084 | retval = usb_register(&line6_driver); |
| 1085 | |
Greg Kroah-Hartman | 36445bc | 2009-02-27 22:42:18 -0800 | [diff] [blame] | 1086 | if (retval) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 1087 | err("usb_register failed. Error number %d", retval); |
| 1088 | |
| 1089 | return retval; |
| 1090 | } |
| 1091 | |
| 1092 | /* |
| 1093 | Module cleanup. |
| 1094 | */ |
| 1095 | static void __exit line6_exit(void) |
| 1096 | { |
| 1097 | destroy_workqueue(line6_workqueue); |
| 1098 | usb_deregister(&line6_driver); |
| 1099 | } |
| 1100 | |
| 1101 | module_init(line6_init); |
| 1102 | module_exit(line6_exit); |
| 1103 | |
| 1104 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 1105 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 1106 | MODULE_LICENSE("GPL"); |
| 1107 | MODULE_VERSION(DRIVER_VERSION); |