Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 1 | /* DVB USB compliant Linux driver for the |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 2 | * - GENPIX 8pks/qpsk/DCII USB2.0 DVB-S module |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 3 | * |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 4 | * Copyright (C) 2006,2007 Alan Nisota (alannisota@gmail.com) |
| 5 | * Copyright (C) 2006,2007 Genpix Electronics (genpix@genpix-electronics.com) |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 6 | * |
| 7 | * Thanks to GENPIX for the sample code used to implement this module. |
| 8 | * |
| 9 | * This module is based off the vp7045 and vp702x modules |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify it |
| 12 | * under the terms of the GNU General Public License as published by the Free |
| 13 | * Software Foundation, version 2. |
| 14 | * |
| 15 | * see Documentation/dvb/README.dvb-usb for more information |
| 16 | */ |
| 17 | #include "gp8psk.h" |
| 18 | |
| 19 | /* debug */ |
| 20 | static char bcm4500_firmware[] = "dvb-usb-gp8psk-02.fw"; |
| 21 | int dvb_usb_gp8psk_debug; |
| 22 | module_param_named(debug,dvb_usb_gp8psk_debug, int, 0644); |
| 23 | MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS); |
| 24 | |
Janne Grunau | 78e9200 | 2008-04-09 19:13:13 -0300 | [diff] [blame] | 25 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
| 26 | |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 27 | int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen) |
| 28 | { |
| 29 | int ret = 0,try = 0; |
| 30 | |
| 31 | if ((ret = mutex_lock_interruptible(&d->usb_mutex))) |
| 32 | return ret; |
| 33 | |
| 34 | while (ret >= 0 && ret != blen && try < 3) { |
| 35 | ret = usb_control_msg(d->udev, |
| 36 | usb_rcvctrlpipe(d->udev,0), |
| 37 | req, |
| 38 | USB_TYPE_VENDOR | USB_DIR_IN, |
| 39 | value,index,b,blen, |
| 40 | 2000); |
| 41 | deb_info("reading number %d (ret: %d)\n",try,ret); |
| 42 | try++; |
| 43 | } |
| 44 | |
| 45 | if (ret < 0 || ret != blen) { |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 46 | warn("usb in %d operation failed.", req); |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 47 | ret = -EIO; |
| 48 | } else |
| 49 | ret = 0; |
| 50 | |
| 51 | deb_xfer("in: req. %x, val: %x, ind: %x, buffer: ",req,value,index); |
| 52 | debug_dump(b,blen,deb_xfer); |
| 53 | |
| 54 | mutex_unlock(&d->usb_mutex); |
| 55 | |
| 56 | return ret; |
| 57 | } |
| 58 | |
| 59 | int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, |
| 60 | u16 index, u8 *b, int blen) |
| 61 | { |
| 62 | int ret; |
| 63 | |
| 64 | deb_xfer("out: req. %x, val: %x, ind: %x, buffer: ",req,value,index); |
| 65 | debug_dump(b,blen,deb_xfer); |
| 66 | |
| 67 | if ((ret = mutex_lock_interruptible(&d->usb_mutex))) |
| 68 | return ret; |
| 69 | |
| 70 | if (usb_control_msg(d->udev, |
| 71 | usb_sndctrlpipe(d->udev,0), |
| 72 | req, |
| 73 | USB_TYPE_VENDOR | USB_DIR_OUT, |
| 74 | value,index,b,blen, |
| 75 | 2000) != blen) { |
| 76 | warn("usb out operation failed."); |
| 77 | ret = -EIO; |
| 78 | } else |
| 79 | ret = 0; |
| 80 | mutex_unlock(&d->usb_mutex); |
| 81 | |
| 82 | return ret; |
| 83 | } |
| 84 | |
| 85 | static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d) |
| 86 | { |
| 87 | int ret; |
| 88 | const struct firmware *fw = NULL; |
David Woodhouse | 3a9282c | 2008-05-24 00:13:08 +0100 | [diff] [blame^] | 89 | const u8 *ptr; |
| 90 | u8 *buf; |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 91 | if ((ret = request_firmware(&fw, bcm4500_firmware, |
| 92 | &d->udev->dev)) != 0) { |
| 93 | err("did not find the bcm4500 firmware file. (%s) " |
| 94 | "Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)", |
| 95 | bcm4500_firmware,ret); |
| 96 | return ret; |
| 97 | } |
| 98 | |
Patrick Boettcher | 976e348 | 2006-05-14 13:29:48 -0300 | [diff] [blame] | 99 | ret = -EINVAL; |
| 100 | |
| 101 | if (gp8psk_usb_out_op(d, LOAD_BCM4500,1,0,NULL, 0)) |
| 102 | goto out_rel_fw; |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 103 | |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 104 | info("downloading bcm4500 firmware from file '%s'",bcm4500_firmware); |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 105 | |
| 106 | ptr = fw->data; |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 107 | buf = kmalloc(64, GFP_KERNEL | GFP_DMA); |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 108 | |
| 109 | while (ptr[0] != 0xff) { |
| 110 | u16 buflen = ptr[0] + 4; |
| 111 | if (ptr + buflen >= fw->data + fw->size) { |
| 112 | err("failed to load bcm4500 firmware."); |
Patrick Boettcher | 976e348 | 2006-05-14 13:29:48 -0300 | [diff] [blame] | 113 | goto out_free; |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 114 | } |
| 115 | memcpy(buf, ptr, buflen); |
| 116 | if (dvb_usb_generic_write(d, buf, buflen)) { |
| 117 | err("failed to load bcm4500 firmware."); |
Patrick Boettcher | 976e348 | 2006-05-14 13:29:48 -0300 | [diff] [blame] | 118 | goto out_free; |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 119 | } |
| 120 | ptr += buflen; |
| 121 | } |
Patrick Boettcher | 976e348 | 2006-05-14 13:29:48 -0300 | [diff] [blame] | 122 | |
| 123 | ret = 0; |
| 124 | |
| 125 | out_free: |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 126 | kfree(buf); |
Patrick Boettcher | 976e348 | 2006-05-14 13:29:48 -0300 | [diff] [blame] | 127 | out_rel_fw: |
| 128 | release_firmware(fw); |
| 129 | |
| 130 | return ret; |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | static int gp8psk_power_ctrl(struct dvb_usb_device *d, int onoff) |
| 134 | { |
| 135 | u8 status, buf; |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 136 | int gp_product_id = le16_to_cpu(d->udev->descriptor.idProduct); |
| 137 | |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 138 | if (onoff) { |
| 139 | gp8psk_usb_in_op(d, GET_8PSK_CONFIG,0,0,&status,1); |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 140 | if (! (status & bm8pskStarted)) { /* started */ |
| 141 | if(gp_product_id == USB_PID_GENPIX_SKYWALKER_CW3K) |
| 142 | gp8psk_usb_out_op(d, CW3K_INIT, 1, 0, NULL, 0); |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 143 | if (gp8psk_usb_in_op(d, BOOT_8PSK, 1, 0, &buf, 1)) |
| 144 | return -EINVAL; |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 145 | } |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 146 | |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 147 | if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM) |
| 148 | if (! (status & bm8pskFW_Loaded)) /* BCM4500 firmware loaded */ |
| 149 | if(gp8psk_load_bcm4500fw(d)) |
Marcin Slusarz | 7fa7b85 | 2008-05-11 19:53:39 -0300 | [diff] [blame] | 150 | return -EINVAL; |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 151 | |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 152 | if (! (status & bmIntersilOn)) /* LNB Power */ |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 153 | if (gp8psk_usb_in_op(d, START_INTERSIL, 1, 0, |
| 154 | &buf, 1)) |
Marcin Slusarz | 7fa7b85 | 2008-05-11 19:53:39 -0300 | [diff] [blame] | 155 | return -EINVAL; |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 156 | |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 157 | /* Set DVB mode to 1 */ |
| 158 | if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM) |
| 159 | if (gp8psk_usb_out_op(d, SET_DVB_MODE, 1, 0, NULL, 0)) |
Marcin Slusarz | 7fa7b85 | 2008-05-11 19:53:39 -0300 | [diff] [blame] | 160 | return -EINVAL; |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 161 | /* Abort possible TS (if previous tune crashed) */ |
| 162 | if (gp8psk_usb_out_op(d, ARM_TRANSFER, 0, 0, NULL, 0)) |
Marcin Slusarz | 7fa7b85 | 2008-05-11 19:53:39 -0300 | [diff] [blame] | 163 | return -EINVAL; |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 164 | } else { |
| 165 | /* Turn off LNB power */ |
| 166 | if (gp8psk_usb_in_op(d, START_INTERSIL, 0, 0, &buf, 1)) |
Marcin Slusarz | 7fa7b85 | 2008-05-11 19:53:39 -0300 | [diff] [blame] | 167 | return -EINVAL; |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 168 | /* Turn off 8psk power */ |
| 169 | if (gp8psk_usb_in_op(d, BOOT_8PSK, 0, 0, &buf, 1)) |
| 170 | return -EINVAL; |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 171 | if(gp_product_id == USB_PID_GENPIX_SKYWALKER_CW3K) |
| 172 | gp8psk_usb_out_op(d, CW3K_INIT, 0, 0, NULL, 0); |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 173 | } |
| 174 | return 0; |
| 175 | } |
| 176 | |
| 177 | |
Patrick Boettcher | 4d43e13 | 2006-09-30 06:53:48 -0300 | [diff] [blame] | 178 | static int gp8psk_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 179 | { |
Patrick Boettcher | 4d43e13 | 2006-09-30 06:53:48 -0300 | [diff] [blame] | 180 | return gp8psk_usb_out_op(adap->dev, ARM_TRANSFER, onoff, 0 , NULL, 0); |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 181 | } |
| 182 | |
Patrick Boettcher | 4d43e13 | 2006-09-30 06:53:48 -0300 | [diff] [blame] | 183 | static int gp8psk_frontend_attach(struct dvb_usb_adapter *adap) |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 184 | { |
Patrick Boettcher | 4d43e13 | 2006-09-30 06:53:48 -0300 | [diff] [blame] | 185 | adap->fe = gp8psk_fe_attach(adap->dev); |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 186 | return 0; |
| 187 | } |
| 188 | |
Patrick Boettcher | 4d43e13 | 2006-09-30 06:53:48 -0300 | [diff] [blame] | 189 | static struct dvb_usb_device_properties gp8psk_properties; |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 190 | |
| 191 | static int gp8psk_usb_probe(struct usb_interface *intf, |
| 192 | const struct usb_device_id *id) |
| 193 | { |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 194 | int ret; |
| 195 | struct usb_device *udev = interface_to_usbdev(intf); |
Janne Grunau | 78e9200 | 2008-04-09 19:13:13 -0300 | [diff] [blame] | 196 | ret = dvb_usb_device_init(intf, &gp8psk_properties, |
| 197 | THIS_MODULE, NULL, adapter_nr); |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 198 | if (ret == 0) { |
| 199 | info("found Genpix USB device pID = %x (hex)", |
| 200 | le16_to_cpu(udev->descriptor.idProduct)); |
| 201 | } |
| 202 | return ret; |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 203 | } |
| 204 | |
| 205 | static struct usb_device_id gp8psk_usb_table [] = { |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 206 | { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_1_COLD) }, |
| 207 | { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_1_WARM) }, |
| 208 | { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_2) }, |
| 209 | { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_SKYWALKER_1) }, |
| 210 | { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_SKYWALKER_CW3K) }, |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 211 | { 0 }, |
| 212 | }; |
| 213 | MODULE_DEVICE_TABLE(usb, gp8psk_usb_table); |
| 214 | |
Patrick Boettcher | 4d43e13 | 2006-09-30 06:53:48 -0300 | [diff] [blame] | 215 | static struct dvb_usb_device_properties gp8psk_properties = { |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 216 | .usb_ctrl = CYPRESS_FX2, |
| 217 | .firmware = "dvb-usb-gp8psk-01.fw", |
| 218 | |
Patrick Boettcher | 4d43e13 | 2006-09-30 06:53:48 -0300 | [diff] [blame] | 219 | .num_adapters = 1, |
| 220 | .adapter = { |
| 221 | { |
Patrick Boettcher | 01451e7 | 2006-10-13 11:34:46 -0300 | [diff] [blame] | 222 | .streaming_ctrl = gp8psk_streaming_ctrl, |
| 223 | .frontend_attach = gp8psk_frontend_attach, |
| 224 | /* parameter for the MPEG2-data transfer */ |
Patrick Boettcher | 4d43e13 | 2006-09-30 06:53:48 -0300 | [diff] [blame] | 225 | .stream = { |
| 226 | .type = USB_BULK, |
Patrick Boettcher | 01451e7 | 2006-10-13 11:34:46 -0300 | [diff] [blame] | 227 | .count = 7, |
| 228 | .endpoint = 0x82, |
| 229 | .u = { |
| 230 | .bulk = { |
| 231 | .buffersize = 8192, |
| 232 | } |
| 233 | } |
| 234 | }, |
Patrick Boettcher | 4d43e13 | 2006-09-30 06:53:48 -0300 | [diff] [blame] | 235 | } |
| 236 | }, |
| 237 | .power_ctrl = gp8psk_power_ctrl, |
| 238 | |
| 239 | .generic_bulk_ctrl_endpoint = 0x01, |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 240 | |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 241 | .num_device_descs = 4, |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 242 | .devices = { |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 243 | { .name = "Genpix 8PSK-to-USB2 Rev.1 DVB-S receiver", |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 244 | .cold_ids = { &gp8psk_usb_table[0], NULL }, |
| 245 | .warm_ids = { &gp8psk_usb_table[1], NULL }, |
| 246 | }, |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 247 | { .name = "Genpix 8PSK-to-USB2 Rev.2 DVB-S receiver", |
| 248 | .cold_ids = { NULL }, |
| 249 | .warm_ids = { &gp8psk_usb_table[2], NULL }, |
| 250 | }, |
| 251 | { .name = "Genpix SkyWalker-1 DVB-S receiver", |
| 252 | .cold_ids = { NULL }, |
| 253 | .warm_ids = { &gp8psk_usb_table[3], NULL }, |
| 254 | }, |
| 255 | { .name = "Genpix SkyWalker-CW3K DVB-S receiver", |
| 256 | .cold_ids = { NULL }, |
| 257 | .warm_ids = { &gp8psk_usb_table[4], NULL }, |
| 258 | }, |
Randy Dunlap | ab9caf9 | 2006-09-28 14:03:26 -0300 | [diff] [blame] | 259 | { NULL }, |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 260 | } |
| 261 | }; |
| 262 | |
| 263 | /* usb specific object needed to register this driver with the usb subsystem */ |
| 264 | static struct usb_driver gp8psk_usb_driver = { |
| 265 | .name = "dvb_usb_gp8psk", |
| 266 | .probe = gp8psk_usb_probe, |
| 267 | .disconnect = dvb_usb_device_exit, |
| 268 | .id_table = gp8psk_usb_table, |
| 269 | }; |
| 270 | |
| 271 | /* module stuff */ |
| 272 | static int __init gp8psk_usb_module_init(void) |
| 273 | { |
| 274 | int result; |
| 275 | if ((result = usb_register(&gp8psk_usb_driver))) { |
| 276 | err("usb_register failed. (%d)",result); |
| 277 | return result; |
| 278 | } |
| 279 | |
| 280 | return 0; |
| 281 | } |
| 282 | |
| 283 | static void __exit gp8psk_usb_module_exit(void) |
| 284 | { |
| 285 | /* deregister this driver from the USB subsystem */ |
| 286 | usb_deregister(&gp8psk_usb_driver); |
| 287 | } |
| 288 | |
| 289 | module_init(gp8psk_usb_module_init); |
| 290 | module_exit(gp8psk_usb_module_exit); |
| 291 | |
| 292 | MODULE_AUTHOR("Alan Nisota <alannisota@gamil.com>"); |
Alan Nisota | 458b634 | 2007-08-18 17:52:35 -0300 | [diff] [blame] | 293 | MODULE_DESCRIPTION("Driver for Genpix 8psk-to-USB2 DVB-S"); |
| 294 | MODULE_VERSION("1.1"); |
Alan Nisota | 9bbe076 | 2006-05-14 13:23:56 -0300 | [diff] [blame] | 295 | MODULE_LICENSE("GPL"); |