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 | |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 14 | #include <linux/slab.h> |
| 15 | |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 16 | #include "audio.h" |
| 17 | #include "control.h" |
| 18 | #include "variax.h" |
| 19 | |
| 20 | |
| 21 | #define VARIAX_SYSEX_CODE 7 |
| 22 | #define VARIAX_SYSEX_PARAM 0x3b |
| 23 | #define VARIAX_SYSEX_ACTIVATE 0x2a |
| 24 | #define VARIAX_MODEL_HEADER_LENGTH 7 |
| 25 | #define VARIAX_MODEL_MESSAGE_LENGTH 199 |
| 26 | #define VARIAX_OFFSET_ACTIVATE 7 |
| 27 | |
| 28 | |
| 29 | static const char variax_activate[] = { |
| 30 | 0xf0, 0x00, 0x01, 0x0c, 0x07, 0x00, 0x2a, 0x01, |
| 31 | 0xf7 |
| 32 | }; |
| 33 | static const char variax_request_bank[] = { |
| 34 | 0xf0, 0x00, 0x01, 0x0c, 0x07, 0x00, 0x6d, 0xf7 |
| 35 | }; |
| 36 | static const char variax_request_model1[] = { |
| 37 | 0xf0, 0x00, 0x01, 0x0c, 0x07, 0x00, 0x3c, 0x00, |
| 38 | 0x02, 0x00, 0x00, 0x00, 0x00, 0x03, 0x05, 0x03, |
| 39 | 0x00, 0x00, 0x00, 0xf7 |
| 40 | }; |
| 41 | static const char variax_request_model2[] = { |
| 42 | 0xf0, 0x00, 0x01, 0x0c, 0x07, 0x00, 0x3c, 0x00, |
| 43 | 0x02, 0x00, 0x00, 0x00, 0x00, 0x03, 0x07, 0x03, |
| 44 | 0x00, 0x00, 0x00, 0xf7 |
| 45 | }; |
| 46 | |
| 47 | |
| 48 | /* |
| 49 | Decode data transmitted by workbench. |
| 50 | */ |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 51 | static void variax_decode(const unsigned char *raw_data, unsigned char *data, |
| 52 | int raw_size) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 53 | { |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 54 | for (; raw_size > 0; raw_size -= 6) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 55 | data[2] = raw_data[0] | (raw_data[1] << 4); |
| 56 | data[1] = raw_data[2] | (raw_data[3] << 4); |
| 57 | data[0] = raw_data[4] | (raw_data[5] << 4); |
| 58 | raw_data += 6; |
| 59 | data += 3; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | static void variax_activate_timeout(unsigned long arg) |
| 64 | { |
| 65 | struct usb_line6_variax *variax = (struct usb_line6_variax *)arg; |
| 66 | variax->buffer_activate[VARIAX_OFFSET_ACTIVATE] = 1; |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 67 | line6_send_raw_message_async(&variax->line6, variax->buffer_activate, |
| 68 | sizeof(variax_activate)); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | /* |
| 72 | Send an asynchronous activation request after a given interval. |
| 73 | */ |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 74 | static void variax_activate_delayed(struct usb_line6_variax *variax, |
| 75 | int seconds) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 76 | { |
| 77 | variax->activate_timer.expires = jiffies + seconds * HZ; |
| 78 | variax->activate_timer.function = variax_activate_timeout; |
| 79 | variax->activate_timer.data = (unsigned long)variax; |
| 80 | add_timer(&variax->activate_timer); |
| 81 | } |
| 82 | |
| 83 | static void variax_startup_timeout(unsigned long arg) |
| 84 | { |
| 85 | struct usb_line6_variax *variax = (struct usb_line6_variax *)arg; |
| 86 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 87 | if (variax->dumpreq.ok) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 88 | return; |
| 89 | |
| 90 | line6_dump_request_async(&variax->dumpreq, &variax->line6, 0); |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 91 | line6_startup_delayed(&variax->dumpreq, 1, variax_startup_timeout, |
| 92 | variax); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | /* |
| 96 | Process a completely received message. |
| 97 | */ |
| 98 | void variax_process_message(struct usb_line6_variax *variax) |
| 99 | { |
| 100 | const unsigned char *buf = variax->line6.buffer_message; |
| 101 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 102 | switch (buf[0]) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 103 | case LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST: |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 104 | switch (buf[1]) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 105 | case VARIAXMIDI_volume: |
| 106 | variax->volume = buf[2]; |
| 107 | break; |
| 108 | |
| 109 | case VARIAXMIDI_tone: |
| 110 | variax->tone = buf[2]; |
| 111 | } |
| 112 | |
| 113 | break; |
| 114 | |
| 115 | case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_DEVICE: |
| 116 | case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST: |
| 117 | variax->model = buf[1]; |
| 118 | line6_dump_request_async(&variax->dumpreq, &variax->line6, 0); |
| 119 | break; |
| 120 | |
| 121 | case LINE6_RESET: |
| 122 | dev_info(variax->line6.ifcdev, "VARIAX reset\n"); |
| 123 | variax_activate_delayed(variax, VARIAX_ACTIVATE_DELAY); |
| 124 | break; |
| 125 | |
| 126 | case LINE6_SYSEX_BEGIN: |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 127 | if (memcmp(buf + 1, variax_request_model1 + 1, |
| 128 | VARIAX_MODEL_HEADER_LENGTH - 1) == 0) { |
| 129 | if (variax->line6.message_length == |
| 130 | VARIAX_MODEL_MESSAGE_LENGTH) { |
| 131 | switch (variax->dumpreq.in_progress) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 132 | case VARIAX_DUMP_PASS1: |
| 133 | variax_decode(buf + VARIAX_MODEL_HEADER_LENGTH, (unsigned char *)&variax->model_data, |
| 134 | (sizeof(variax->model_data.name) + sizeof(variax->model_data.control) / 2) * 2); |
| 135 | line6_dump_request_async(&variax->dumpreq, &variax->line6, 1); |
| 136 | line6_dump_started(&variax->dumpreq, VARIAX_DUMP_PASS2); |
| 137 | break; |
| 138 | |
| 139 | case VARIAX_DUMP_PASS2: |
| 140 | /* model name is transmitted twice, so skip it here: */ |
| 141 | variax_decode(buf + VARIAX_MODEL_HEADER_LENGTH, |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 142 | (unsigned char *)&variax->model_data.control + sizeof(variax->model_data.control) / 2, |
| 143 | sizeof(variax->model_data.control) / 2 * 2); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 144 | variax->dumpreq.ok = 1; |
| 145 | line6_dump_request_async(&variax->dumpreq, &variax->line6, 2); |
| 146 | line6_dump_started(&variax->dumpreq, VARIAX_DUMP_PASS3); |
| 147 | } |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 148 | } else { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 149 | DEBUG_MESSAGES(dev_err(variax->line6.ifcdev, "illegal length %d of model data\n", variax->line6.message_length)); |
| 150 | line6_dump_finished(&variax->dumpreq); |
| 151 | } |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 152 | } else if (memcmp(buf + 1, variax_request_bank + 1, |
| 153 | sizeof(variax_request_bank) - 2) == 0) { |
| 154 | memcpy(variax->bank, |
| 155 | buf + sizeof(variax_request_bank) - 1, |
| 156 | sizeof(variax->bank)); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 157 | variax->dumpreq.ok = 1; |
| 158 | line6_dump_finished(&variax->dumpreq); |
| 159 | } |
| 160 | |
| 161 | break; |
| 162 | |
| 163 | case LINE6_SYSEX_END: |
| 164 | break; |
| 165 | |
| 166 | default: |
| 167 | DEBUG_MESSAGES(dev_err(variax->line6.ifcdev, "Variax: unknown message %02X\n", buf[0])); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | /* |
| 172 | "read" request on "volume" special file. |
| 173 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 174 | static ssize_t variax_get_volume(struct device *dev, |
| 175 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 176 | { |
| 177 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
| 178 | return sprintf(buf, "%d\n", variax->volume); |
| 179 | } |
| 180 | |
| 181 | /* |
| 182 | "write" request on "volume" special file. |
| 183 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 184 | static ssize_t variax_set_volume(struct device *dev, |
| 185 | struct device_attribute *attr, |
| 186 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 187 | { |
| 188 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
Shawn Bohrer | c0e6e7c | 2009-11-15 22:18:00 -0600 | [diff] [blame] | 189 | unsigned long value; |
| 190 | int ret; |
| 191 | |
| 192 | ret = strict_strtoul(buf, 10, &value); |
| 193 | if (ret) |
| 194 | return ret; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 195 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 196 | if (line6_transmit_parameter(&variax->line6, VARIAXMIDI_volume, |
| 197 | value) == 0) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 198 | variax->volume = value; |
| 199 | |
| 200 | return count; |
| 201 | } |
| 202 | |
| 203 | /* |
| 204 | "read" request on "model" special file. |
| 205 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 206 | static ssize_t variax_get_model(struct device *dev, |
| 207 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 208 | { |
| 209 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
| 210 | return sprintf(buf, "%d\n", variax->model); |
| 211 | } |
| 212 | |
| 213 | /* |
| 214 | "write" request on "model" special file. |
| 215 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 216 | static ssize_t variax_set_model(struct device *dev, |
| 217 | struct device_attribute *attr, |
| 218 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 219 | { |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 220 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
Shawn Bohrer | c0e6e7c | 2009-11-15 22:18:00 -0600 | [diff] [blame] | 221 | unsigned long value; |
| 222 | int ret; |
| 223 | |
| 224 | ret = strict_strtoul(buf, 10, &value); |
| 225 | if (ret) |
| 226 | return ret; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 227 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 228 | if (line6_send_program(&variax->line6, value) == 0) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 229 | variax->model = value; |
| 230 | |
| 231 | return count; |
| 232 | } |
| 233 | |
| 234 | /* |
| 235 | "read" request on "active" special file. |
| 236 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 237 | static ssize_t variax_get_active(struct device *dev, |
| 238 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 239 | { |
| 240 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
| 241 | return sprintf(buf, "%d\n", variax->buffer_activate[VARIAX_OFFSET_ACTIVATE]); |
| 242 | } |
| 243 | |
| 244 | /* |
| 245 | "write" request on "active" special file. |
| 246 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 247 | static ssize_t variax_set_active(struct device *dev, |
| 248 | struct device_attribute *attr, |
| 249 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 250 | { |
| 251 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
Shawn Bohrer | c0e6e7c | 2009-11-15 22:18:00 -0600 | [diff] [blame] | 252 | unsigned long value; |
| 253 | int ret; |
| 254 | |
| 255 | ret = strict_strtoul(buf, 10, &value); |
| 256 | if (ret) |
| 257 | return ret; |
| 258 | |
Sylvain Trias | 0f7cf00 | 2010-02-24 00:17:52 +0100 | [diff] [blame] | 259 | variax->buffer_activate[VARIAX_OFFSET_ACTIVATE] = value ? 1 : 0; |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 260 | line6_send_raw_message_async(&variax->line6, variax->buffer_activate, |
| 261 | sizeof(variax_activate)); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 262 | return count; |
| 263 | } |
| 264 | |
| 265 | /* |
| 266 | "read" request on "tone" special file. |
| 267 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 268 | static ssize_t variax_get_tone(struct device *dev, |
| 269 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 270 | { |
| 271 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
| 272 | return sprintf(buf, "%d\n", variax->tone); |
| 273 | } |
| 274 | |
| 275 | /* |
| 276 | "write" request on "tone" special file. |
| 277 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 278 | static ssize_t variax_set_tone(struct device *dev, |
| 279 | struct device_attribute *attr, |
| 280 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 281 | { |
| 282 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
Shawn Bohrer | c0e6e7c | 2009-11-15 22:18:00 -0600 | [diff] [blame] | 283 | unsigned long value; |
| 284 | int ret; |
| 285 | |
| 286 | ret = strict_strtoul(buf, 10, &value); |
| 287 | if (ret) |
| 288 | return ret; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 289 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 290 | if (line6_transmit_parameter(&variax->line6, VARIAXMIDI_tone, |
| 291 | value) == 0) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 292 | variax->tone = value; |
| 293 | |
| 294 | return count; |
| 295 | } |
| 296 | |
| 297 | static ssize_t get_string(char *buf, const char *data, int length) |
| 298 | { |
| 299 | int i; |
| 300 | memcpy(buf, data, length); |
| 301 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 302 | for (i = length; i--;) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 303 | char c = buf[i]; |
| 304 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 305 | if ((c != 0) && (c != ' ')) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 306 | break; |
| 307 | } |
| 308 | |
| 309 | buf[i + 1] = '\n'; |
| 310 | return i + 2; |
| 311 | } |
| 312 | |
| 313 | /* |
| 314 | "read" request on "name" special file. |
| 315 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 316 | static ssize_t variax_get_name(struct device *dev, |
| 317 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 318 | { |
| 319 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
| 320 | line6_wait_dump(&variax->dumpreq, 0); |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 321 | return get_string(buf, variax->model_data.name, |
| 322 | sizeof(variax->model_data.name)); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | /* |
| 326 | "read" request on "bank" special file. |
| 327 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 328 | static ssize_t variax_get_bank(struct device *dev, |
| 329 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 330 | { |
| 331 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
| 332 | line6_wait_dump(&variax->dumpreq, 0); |
| 333 | return get_string(buf, variax->bank, sizeof(variax->bank)); |
| 334 | } |
| 335 | |
| 336 | /* |
| 337 | "read" request on "dump" special file. |
| 338 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 339 | static ssize_t variax_get_dump(struct device *dev, |
| 340 | struct device_attribute *attr, char *buf) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 341 | { |
| 342 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
| 343 | int retval; |
| 344 | retval = line6_wait_dump(&variax->dumpreq, 0); |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 345 | if (retval < 0) |
| 346 | return retval; |
| 347 | memcpy(buf, &variax->model_data.control, |
| 348 | sizeof(variax->model_data.control)); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 349 | return sizeof(variax->model_data.control); |
| 350 | } |
| 351 | |
| 352 | #if CREATE_RAW_FILE |
| 353 | |
| 354 | /* |
| 355 | "write" request on "raw" special file. |
| 356 | */ |
Greg Kroah-Hartman | 77491e5 | 2009-02-27 20:25:43 -0800 | [diff] [blame] | 357 | static ssize_t variax_set_raw2(struct device *dev, |
| 358 | struct device_attribute *attr, |
| 359 | const char *buf, size_t count) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 360 | { |
| 361 | struct usb_line6_variax *variax = usb_get_intfdata(to_usb_interface(dev)); |
| 362 | int size; |
| 363 | int i; |
| 364 | char *sysex; |
| 365 | |
| 366 | count -= count % 3; |
| 367 | size = count * 2; |
| 368 | sysex = variax_alloc_sysex_buffer(variax, VARIAX_SYSEX_PARAM, size); |
| 369 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 370 | if (!sysex) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 371 | return 0; |
| 372 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 373 | for (i = 0; i < count; i += 3) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 374 | const unsigned char *p1 = buf + i; |
| 375 | char *p2 = sysex + SYSEX_DATA_OFS + i * 2; |
| 376 | p2[0] = p1[2] & 0x0f; |
| 377 | p2[1] = p1[2] >> 4; |
| 378 | p2[2] = p1[1] & 0x0f; |
| 379 | p2[3] = p1[1] >> 4; |
| 380 | p2[4] = p1[0] & 0x0f; |
| 381 | p2[5] = p1[0] >> 4; |
| 382 | } |
| 383 | |
| 384 | line6_send_sysex_message(&variax->line6, sysex, size); |
| 385 | kfree(sysex); |
| 386 | return count; |
| 387 | } |
| 388 | |
| 389 | #endif |
| 390 | |
| 391 | /* Variax workbench special files: */ |
| 392 | static DEVICE_ATTR(model, S_IWUGO | S_IRUGO, variax_get_model, variax_set_model); |
| 393 | static DEVICE_ATTR(volume, S_IWUGO | S_IRUGO, variax_get_volume, variax_set_volume); |
| 394 | static DEVICE_ATTR(tone, S_IWUGO | S_IRUGO, variax_get_tone, variax_set_tone); |
| 395 | static DEVICE_ATTR(name, S_IRUGO, variax_get_name, line6_nop_write); |
| 396 | static DEVICE_ATTR(bank, S_IRUGO, variax_get_bank, line6_nop_write); |
| 397 | static DEVICE_ATTR(dump, S_IRUGO, variax_get_dump, line6_nop_write); |
| 398 | static DEVICE_ATTR(active, S_IWUGO | S_IRUGO, variax_get_active, variax_set_active); |
| 399 | |
| 400 | #if CREATE_RAW_FILE |
| 401 | static DEVICE_ATTR(raw, S_IWUGO, line6_nop_read, line6_set_raw); |
| 402 | static DEVICE_ATTR(raw2, S_IWUGO, line6_nop_read, variax_set_raw2); |
| 403 | #endif |
| 404 | |
| 405 | |
| 406 | /* |
| 407 | Variax destructor. |
| 408 | */ |
| 409 | static void variax_destruct(struct usb_interface *interface) |
| 410 | { |
| 411 | struct usb_line6_variax *variax = usb_get_intfdata(interface); |
| 412 | struct usb_line6 *line6; |
| 413 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 414 | if (variax == NULL) |
| 415 | return; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 416 | line6 = &variax->line6; |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 417 | if (line6 == NULL) |
| 418 | return; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 419 | line6_cleanup_audio(line6); |
| 420 | |
| 421 | /* free dump request data: */ |
| 422 | line6_dumpreq_destructbuf(&variax->dumpreq, 2); |
| 423 | line6_dumpreq_destructbuf(&variax->dumpreq, 1); |
| 424 | line6_dumpreq_destruct(&variax->dumpreq); |
| 425 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 426 | kfree(variax->buffer_activate); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 427 | del_timer_sync(&variax->activate_timer); |
| 428 | } |
| 429 | |
| 430 | /* |
| 431 | Create sysfs entries. |
| 432 | */ |
Greg Kroah-Hartman | b702ed25 | 2009-02-27 20:45:03 -0800 | [diff] [blame] | 433 | static int variax_create_files2(struct device *dev) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 434 | { |
| 435 | int err; |
| 436 | CHECK_RETURN(device_create_file(dev, &dev_attr_model)); |
| 437 | CHECK_RETURN(device_create_file(dev, &dev_attr_volume)); |
| 438 | CHECK_RETURN(device_create_file(dev, &dev_attr_tone)); |
| 439 | CHECK_RETURN(device_create_file(dev, &dev_attr_name)); |
| 440 | CHECK_RETURN(device_create_file(dev, &dev_attr_bank)); |
| 441 | CHECK_RETURN(device_create_file(dev, &dev_attr_dump)); |
| 442 | CHECK_RETURN(device_create_file(dev, &dev_attr_active)); |
| 443 | #if CREATE_RAW_FILE |
| 444 | CHECK_RETURN(device_create_file(dev, &dev_attr_raw)); |
| 445 | CHECK_RETURN(device_create_file(dev, &dev_attr_raw2)); |
| 446 | #endif |
| 447 | return 0; |
| 448 | } |
| 449 | |
| 450 | /* |
| 451 | Init workbench device. |
| 452 | */ |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 453 | int variax_init(struct usb_interface *interface, |
| 454 | struct usb_line6_variax *variax) |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 455 | { |
| 456 | int err; |
| 457 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 458 | if ((interface == NULL) || (variax == NULL)) |
| 459 | return -ENODEV; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 460 | |
| 461 | /* initialize USB buffers: */ |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 462 | err = line6_dumpreq_init(&variax->dumpreq, variax_request_model1, |
| 463 | sizeof(variax_request_model1)); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 464 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 465 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 466 | dev_err(&interface->dev, "Out of memory\n"); |
| 467 | variax_destruct(interface); |
| 468 | return err; |
| 469 | } |
| 470 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 471 | err = line6_dumpreq_initbuf(&variax->dumpreq, variax_request_model2, |
| 472 | sizeof(variax_request_model2), 1); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 473 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 474 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 475 | dev_err(&interface->dev, "Out of memory\n"); |
| 476 | variax_destruct(interface); |
| 477 | return err; |
| 478 | } |
| 479 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 480 | err = line6_dumpreq_initbuf(&variax->dumpreq, variax_request_bank, |
| 481 | sizeof(variax_request_bank), 2); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 482 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 483 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 484 | dev_err(&interface->dev, "Out of memory\n"); |
| 485 | variax_destruct(interface); |
| 486 | return err; |
| 487 | } |
| 488 | |
Julia Lawall | 94002c0 | 2010-05-15 23:21:43 +0200 | [diff] [blame^] | 489 | variax->buffer_activate = kmemdup(variax_activate, |
| 490 | sizeof(variax_activate), GFP_KERNEL); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 491 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 492 | if (variax->buffer_activate == NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 493 | dev_err(&interface->dev, "Out of memory\n"); |
| 494 | variax_destruct(interface); |
| 495 | return -ENOMEM; |
| 496 | } |
| 497 | |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 498 | init_timer(&variax->activate_timer); |
| 499 | |
| 500 | /* create sysfs entries: */ |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 501 | err = variax_create_files(0, 0, &interface->dev); |
| 502 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 503 | variax_destruct(interface); |
| 504 | return err; |
| 505 | } |
| 506 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 507 | err = variax_create_files2(&interface->dev); |
| 508 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 509 | variax_destruct(interface); |
| 510 | return err; |
| 511 | } |
| 512 | |
| 513 | /* initialize audio system: */ |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 514 | err = line6_init_audio(&variax->line6); |
| 515 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 516 | variax_destruct(interface); |
| 517 | return err; |
| 518 | } |
| 519 | |
| 520 | /* initialize MIDI subsystem: */ |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 521 | err = line6_init_midi(&variax->line6); |
| 522 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 523 | variax_destruct(interface); |
| 524 | return err; |
| 525 | } |
| 526 | |
| 527 | /* register audio system: */ |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 528 | err = line6_register_audio(&variax->line6); |
| 529 | if (err < 0) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 530 | variax_destruct(interface); |
| 531 | return err; |
| 532 | } |
| 533 | |
| 534 | variax_activate_delayed(variax, VARIAX_ACTIVATE_DELAY); |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 535 | line6_startup_delayed(&variax->dumpreq, VARIAX_STARTUP_DELAY, |
| 536 | variax_startup_timeout, variax); |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 537 | return 0; |
| 538 | } |
| 539 | |
| 540 | /* |
| 541 | Workbench device disconnected. |
| 542 | */ |
| 543 | void variax_disconnect(struct usb_interface *interface) |
| 544 | { |
| 545 | struct device *dev; |
| 546 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 547 | if (interface == NULL) |
| 548 | return; |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 549 | dev = &interface->dev; |
| 550 | |
Greg Kroah-Hartman | 9cd57f7 | 2009-02-27 22:43:57 -0800 | [diff] [blame] | 551 | if (dev != NULL) { |
Markus Grabner | 705ecec | 2009-02-27 19:43:04 -0800 | [diff] [blame] | 552 | /* remove sysfs entries: */ |
| 553 | variax_remove_files(0, 0, dev); |
| 554 | device_remove_file(dev, &dev_attr_model); |
| 555 | device_remove_file(dev, &dev_attr_volume); |
| 556 | device_remove_file(dev, &dev_attr_tone); |
| 557 | device_remove_file(dev, &dev_attr_name); |
| 558 | device_remove_file(dev, &dev_attr_bank); |
| 559 | device_remove_file(dev, &dev_attr_dump); |
| 560 | device_remove_file(dev, &dev_attr_active); |
| 561 | #if CREATE_RAW_FILE |
| 562 | device_remove_file(dev, &dev_attr_raw); |
| 563 | device_remove_file(dev, &dev_attr_raw2); |
| 564 | #endif |
| 565 | } |
| 566 | |
| 567 | variax_destruct(interface); |
| 568 | } |