Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * TerraTec Cinergy T²/qanu USB2 DVB-T adapter. |
| 3 | * |
| 4 | * Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and |
| 5 | * Holger Waechtler <holger@qanu.de> |
| 6 | * |
| 7 | * Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #include <linux/config.h> |
| 26 | #include <linux/init.h> |
| 27 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <linux/slab.h> |
| 29 | #include <linux/usb.h> |
| 30 | #include <linux/pci.h> |
| 31 | #include <linux/input.h> |
| 32 | #include <linux/dvb/frontend.h> |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 33 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | |
| 35 | #include "dmxdev.h" |
| 36 | #include "dvb_demux.h" |
| 37 | #include "dvb_net.h" |
| 38 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #ifdef CONFIG_DVB_CINERGYT2_TUNING |
| 40 | #define STREAM_URB_COUNT (CONFIG_DVB_CINERGYT2_STREAM_URB_COUNT) |
| 41 | #define STREAM_BUF_SIZE (CONFIG_DVB_CINERGYT2_STREAM_BUF_SIZE) |
| 42 | #define QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_QUERY_INTERVAL) |
| 43 | #ifdef CONFIG_DVB_CINERGYT2_ENABLE_RC_INPUT_DEVICE |
| 44 | #define RC_QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_RC_QUERY_INTERVAL) |
| 45 | #define ENABLE_RC (1) |
| 46 | #endif |
| 47 | #else |
| 48 | #define STREAM_URB_COUNT (32) |
| 49 | #define STREAM_BUF_SIZE (512) /* bytes */ |
| 50 | #define ENABLE_RC (1) |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 51 | #define RC_QUERY_INTERVAL (50) /* milliseconds */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | #define QUERY_INTERVAL (333) /* milliseconds */ |
| 53 | #endif |
| 54 | |
| 55 | #define DRIVER_NAME "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver" |
| 56 | |
| 57 | static int debug; |
| 58 | module_param_named(debug, debug, int, 0644); |
| 59 | MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); |
| 60 | |
| 61 | #define dprintk(level, args...) \ |
| 62 | do { \ |
| 63 | if ((debug & level)) { \ |
Sam Ravnborg | 367cb70 | 2006-01-06 21:17:50 +0100 | [diff] [blame] | 64 | printk("%s: %s(): ", KBUILD_MODNAME, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | __FUNCTION__); \ |
| 66 | printk(args); } \ |
| 67 | } while (0) |
| 68 | |
| 69 | enum cinergyt2_ep1_cmd { |
| 70 | CINERGYT2_EP1_PID_TABLE_RESET = 0x01, |
| 71 | CINERGYT2_EP1_PID_SETUP = 0x02, |
| 72 | CINERGYT2_EP1_CONTROL_STREAM_TRANSFER = 0x03, |
| 73 | CINERGYT2_EP1_SET_TUNER_PARAMETERS = 0x04, |
| 74 | CINERGYT2_EP1_GET_TUNER_STATUS = 0x05, |
| 75 | CINERGYT2_EP1_START_SCAN = 0x06, |
| 76 | CINERGYT2_EP1_CONTINUE_SCAN = 0x07, |
| 77 | CINERGYT2_EP1_GET_RC_EVENTS = 0x08, |
| 78 | CINERGYT2_EP1_SLEEP_MODE = 0x09 |
| 79 | }; |
| 80 | |
| 81 | struct dvbt_set_parameters_msg { |
| 82 | uint8_t cmd; |
| 83 | uint32_t freq; |
| 84 | uint8_t bandwidth; |
| 85 | uint16_t tps; |
| 86 | uint8_t flags; |
| 87 | } __attribute__((packed)); |
| 88 | |
| 89 | struct dvbt_get_status_msg { |
| 90 | uint32_t freq; |
| 91 | uint8_t bandwidth; |
| 92 | uint16_t tps; |
| 93 | uint8_t flags; |
| 94 | uint16_t gain; |
| 95 | uint8_t snr; |
| 96 | uint32_t viterbi_error_rate; |
| 97 | uint32_t rs_error_rate; |
| 98 | uint32_t uncorrected_block_count; |
| 99 | uint8_t lock_bits; |
| 100 | uint8_t prev_lock_bits; |
| 101 | } __attribute__((packed)); |
| 102 | |
| 103 | static struct dvb_frontend_info cinergyt2_fe_info = { |
| 104 | .name = DRIVER_NAME, |
| 105 | .type = FE_OFDM, |
| 106 | .frequency_min = 174000000, |
| 107 | .frequency_max = 862000000, |
| 108 | .frequency_stepsize = 166667, |
| 109 | .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | |
| 110 | FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | |
| 111 | FE_CAN_FEC_AUTO | |
| 112 | FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | |
| 113 | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | |
| 114 | FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER | FE_CAN_MUTE_TS |
| 115 | }; |
| 116 | |
| 117 | struct cinergyt2 { |
| 118 | struct dvb_demux demux; |
| 119 | struct usb_device *udev; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 120 | struct mutex sem; |
Johannes Stezenbach | fdc53a6 | 2005-05-16 21:54:39 -0700 | [diff] [blame] | 121 | struct dvb_adapter adapter; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | struct dvb_device *fedev; |
| 123 | struct dmxdev dmxdev; |
| 124 | struct dvb_net dvbnet; |
| 125 | |
| 126 | int streaming; |
| 127 | int sleeping; |
| 128 | |
| 129 | struct dvbt_set_parameters_msg param; |
| 130 | struct dvbt_get_status_msg status; |
| 131 | struct work_struct query_work; |
| 132 | |
| 133 | wait_queue_head_t poll_wq; |
| 134 | int pending_fe_events; |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 135 | int disconnect_pending; |
| 136 | atomic_t inuse; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | |
| 138 | void *streambuf; |
| 139 | dma_addr_t streambuf_dmahandle; |
| 140 | struct urb *stream_urb [STREAM_URB_COUNT]; |
| 141 | |
| 142 | #ifdef ENABLE_RC |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 143 | struct input_dev *rc_input_dev; |
| 144 | char phys[64]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | struct work_struct rc_query_work; |
| 146 | int rc_input_event; |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 147 | u32 rc_last_code; |
| 148 | unsigned long last_event_jiffies; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | #endif |
| 150 | }; |
| 151 | |
| 152 | enum { |
| 153 | CINERGYT2_RC_EVENT_TYPE_NONE = 0x00, |
| 154 | CINERGYT2_RC_EVENT_TYPE_NEC = 0x01, |
| 155 | CINERGYT2_RC_EVENT_TYPE_RC5 = 0x02 |
| 156 | }; |
| 157 | |
| 158 | struct cinergyt2_rc_event { |
| 159 | char type; |
| 160 | uint32_t value; |
| 161 | } __attribute__((packed)); |
| 162 | |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 163 | static const uint32_t rc_keys[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xfe01eb04, KEY_POWER, |
| 165 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xfd02eb04, KEY_1, |
| 166 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xfc03eb04, KEY_2, |
| 167 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xfb04eb04, KEY_3, |
| 168 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xfa05eb04, KEY_4, |
| 169 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xf906eb04, KEY_5, |
| 170 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xf807eb04, KEY_6, |
| 171 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xf708eb04, KEY_7, |
| 172 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xf609eb04, KEY_8, |
| 173 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xf50aeb04, KEY_9, |
| 174 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xf30ceb04, KEY_0, |
| 175 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xf40beb04, KEY_VIDEO, |
| 176 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xf20deb04, KEY_REFRESH, |
| 177 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xf10eeb04, KEY_SELECT, |
| 178 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xf00feb04, KEY_EPG, |
| 179 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xef10eb04, KEY_UP, |
| 180 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xeb14eb04, KEY_DOWN, |
| 181 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xee11eb04, KEY_LEFT, |
| 182 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xec13eb04, KEY_RIGHT, |
| 183 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xed12eb04, KEY_OK, |
| 184 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xea15eb04, KEY_TEXT, |
| 185 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xe916eb04, KEY_INFO, |
| 186 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xe817eb04, KEY_RED, |
| 187 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xe718eb04, KEY_GREEN, |
| 188 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xe619eb04, KEY_YELLOW, |
| 189 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xe51aeb04, KEY_BLUE, |
| 190 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xe31ceb04, KEY_VOLUMEUP, |
| 191 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xe11eeb04, KEY_VOLUMEDOWN, |
| 192 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xe21deb04, KEY_MUTE, |
| 193 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xe41beb04, KEY_CHANNELUP, |
| 194 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xe01feb04, KEY_CHANNELDOWN, |
| 195 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xbf40eb04, KEY_PAUSE, |
| 196 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xb34ceb04, KEY_PLAY, |
| 197 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xa758eb04, KEY_RECORD, |
| 198 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xab54eb04, KEY_PREVIOUS, |
| 199 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xb748eb04, KEY_STOP, |
| 200 | CINERGYT2_RC_EVENT_TYPE_NEC, 0xa35ceb04, KEY_NEXT |
| 201 | }; |
| 202 | |
| 203 | static int cinergyt2_command (struct cinergyt2 *cinergyt2, |
| 204 | char *send_buf, int send_buf_len, |
| 205 | char *recv_buf, int recv_buf_len) |
| 206 | { |
| 207 | int actual_len; |
| 208 | char dummy; |
| 209 | int ret; |
| 210 | |
| 211 | ret = usb_bulk_msg(cinergyt2->udev, usb_sndbulkpipe(cinergyt2->udev, 1), |
| 212 | send_buf, send_buf_len, &actual_len, 1000); |
| 213 | |
| 214 | if (ret) |
| 215 | dprintk(1, "usb_bulk_msg (send) failed, err %i\n", ret); |
| 216 | |
| 217 | if (!recv_buf) |
| 218 | recv_buf = &dummy; |
| 219 | |
| 220 | ret = usb_bulk_msg(cinergyt2->udev, usb_rcvbulkpipe(cinergyt2->udev, 1), |
| 221 | recv_buf, recv_buf_len, &actual_len, 1000); |
| 222 | |
| 223 | if (ret) |
| 224 | dprintk(1, "usb_bulk_msg (read) failed, err %i\n", ret); |
| 225 | |
| 226 | return ret ? ret : actual_len; |
| 227 | } |
| 228 | |
| 229 | static void cinergyt2_control_stream_transfer (struct cinergyt2 *cinergyt2, int enable) |
| 230 | { |
| 231 | char buf [] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 }; |
| 232 | cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0); |
| 233 | } |
| 234 | |
| 235 | static void cinergyt2_sleep (struct cinergyt2 *cinergyt2, int sleep) |
| 236 | { |
| 237 | char buf [] = { CINERGYT2_EP1_SLEEP_MODE, sleep ? 1 : 0 }; |
| 238 | cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0); |
| 239 | cinergyt2->sleeping = sleep; |
| 240 | } |
| 241 | |
| 242 | static void cinergyt2_stream_irq (struct urb *urb, struct pt_regs *regs); |
| 243 | |
| 244 | static int cinergyt2_submit_stream_urb (struct cinergyt2 *cinergyt2, struct urb *urb) |
| 245 | { |
| 246 | int err; |
| 247 | |
| 248 | usb_fill_bulk_urb(urb, |
| 249 | cinergyt2->udev, |
| 250 | usb_rcvbulkpipe(cinergyt2->udev, 0x2), |
| 251 | urb->transfer_buffer, |
| 252 | STREAM_BUF_SIZE, |
| 253 | cinergyt2_stream_irq, |
| 254 | cinergyt2); |
| 255 | |
| 256 | if ((err = usb_submit_urb(urb, GFP_ATOMIC))) |
| 257 | dprintk(1, "urb submission failed (err = %i)!\n", err); |
| 258 | |
| 259 | return err; |
| 260 | } |
| 261 | |
| 262 | static void cinergyt2_stream_irq (struct urb *urb, struct pt_regs *regs) |
| 263 | { |
| 264 | struct cinergyt2 *cinergyt2 = urb->context; |
| 265 | |
| 266 | if (urb->actual_length > 0) |
| 267 | dvb_dmx_swfilter(&cinergyt2->demux, |
| 268 | urb->transfer_buffer, urb->actual_length); |
| 269 | |
| 270 | if (cinergyt2->streaming) |
| 271 | cinergyt2_submit_stream_urb(cinergyt2, urb); |
| 272 | } |
| 273 | |
| 274 | static void cinergyt2_free_stream_urbs (struct cinergyt2 *cinergyt2) |
| 275 | { |
| 276 | int i; |
| 277 | |
| 278 | for (i=0; i<STREAM_URB_COUNT; i++) |
| 279 | if (cinergyt2->stream_urb[i]) |
| 280 | usb_free_urb(cinergyt2->stream_urb[i]); |
| 281 | |
Guido Guenther | 574780d | 2005-11-16 00:08:44 -0800 | [diff] [blame] | 282 | usb_buffer_free(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | cinergyt2->streambuf, cinergyt2->streambuf_dmahandle); |
| 284 | } |
| 285 | |
| 286 | static int cinergyt2_alloc_stream_urbs (struct cinergyt2 *cinergyt2) |
| 287 | { |
| 288 | int i; |
| 289 | |
Guido Guenther | 574780d | 2005-11-16 00:08:44 -0800 | [diff] [blame] | 290 | cinergyt2->streambuf = usb_buffer_alloc(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE, |
| 291 | SLAB_KERNEL, &cinergyt2->streambuf_dmahandle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | if (!cinergyt2->streambuf) { |
| 293 | dprintk(1, "failed to alloc consistent stream memory area, bailing out!\n"); |
| 294 | return -ENOMEM; |
| 295 | } |
| 296 | |
| 297 | memset(cinergyt2->streambuf, 0, STREAM_URB_COUNT*STREAM_BUF_SIZE); |
| 298 | |
| 299 | for (i=0; i<STREAM_URB_COUNT; i++) { |
| 300 | struct urb *urb; |
| 301 | |
| 302 | if (!(urb = usb_alloc_urb(0, GFP_ATOMIC))) { |
| 303 | dprintk(1, "failed to alloc consistent stream urbs, bailing out!\n"); |
| 304 | cinergyt2_free_stream_urbs(cinergyt2); |
| 305 | return -ENOMEM; |
| 306 | } |
| 307 | |
| 308 | urb->transfer_buffer = cinergyt2->streambuf + i * STREAM_BUF_SIZE; |
| 309 | urb->transfer_buffer_length = STREAM_BUF_SIZE; |
| 310 | |
| 311 | cinergyt2->stream_urb[i] = urb; |
| 312 | } |
| 313 | |
| 314 | return 0; |
| 315 | } |
| 316 | |
| 317 | static void cinergyt2_stop_stream_xfer (struct cinergyt2 *cinergyt2) |
| 318 | { |
| 319 | int i; |
| 320 | |
| 321 | cinergyt2_control_stream_transfer(cinergyt2, 0); |
| 322 | |
| 323 | for (i=0; i<STREAM_URB_COUNT; i++) |
| 324 | if (cinergyt2->stream_urb[i]) |
| 325 | usb_kill_urb(cinergyt2->stream_urb[i]); |
| 326 | } |
| 327 | |
| 328 | static int cinergyt2_start_stream_xfer (struct cinergyt2 *cinergyt2) |
| 329 | { |
| 330 | int i, err; |
| 331 | |
| 332 | for (i=0; i<STREAM_URB_COUNT; i++) { |
| 333 | if ((err = cinergyt2_submit_stream_urb(cinergyt2, cinergyt2->stream_urb[i]))) { |
| 334 | cinergyt2_stop_stream_xfer(cinergyt2); |
| 335 | dprintk(1, "failed urb submission (%i: err = %i)!\n", i, err); |
| 336 | return err; |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | cinergyt2_control_stream_transfer(cinergyt2, 1); |
| 341 | return 0; |
| 342 | } |
| 343 | |
| 344 | static int cinergyt2_start_feed(struct dvb_demux_feed *dvbdmxfeed) |
| 345 | { |
| 346 | struct dvb_demux *demux = dvbdmxfeed->demux; |
| 347 | struct cinergyt2 *cinergyt2 = demux->priv; |
| 348 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 349 | if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | return -ERESTARTSYS; |
| 351 | |
| 352 | if (cinergyt2->streaming == 0) |
| 353 | cinergyt2_start_stream_xfer(cinergyt2); |
| 354 | |
| 355 | cinergyt2->streaming++; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 356 | mutex_unlock(&cinergyt2->sem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | return 0; |
| 358 | } |
| 359 | |
| 360 | static int cinergyt2_stop_feed(struct dvb_demux_feed *dvbdmxfeed) |
| 361 | { |
| 362 | struct dvb_demux *demux = dvbdmxfeed->demux; |
| 363 | struct cinergyt2 *cinergyt2 = demux->priv; |
| 364 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 365 | if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | return -ERESTARTSYS; |
| 367 | |
| 368 | if (--cinergyt2->streaming == 0) |
| 369 | cinergyt2_stop_stream_xfer(cinergyt2); |
| 370 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 371 | mutex_unlock(&cinergyt2->sem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 372 | return 0; |
| 373 | } |
| 374 | |
| 375 | /** |
| 376 | * convert linux-dvb frontend parameter set into TPS. |
| 377 | * See ETSI ETS-300744, section 4.6.2, table 9 for details. |
| 378 | * |
| 379 | * This function is probably reusable and may better get placed in a support |
| 380 | * library. |
| 381 | * |
| 382 | * We replace errornous fields by default TPS fields (the ones with value 0). |
| 383 | */ |
| 384 | static uint16_t compute_tps (struct dvb_frontend_parameters *p) |
| 385 | { |
| 386 | struct dvb_ofdm_parameters *op = &p->u.ofdm; |
| 387 | uint16_t tps = 0; |
| 388 | |
| 389 | switch (op->code_rate_HP) { |
| 390 | case FEC_2_3: |
| 391 | tps |= (1 << 7); |
| 392 | break; |
| 393 | case FEC_3_4: |
| 394 | tps |= (2 << 7); |
| 395 | break; |
| 396 | case FEC_5_6: |
| 397 | tps |= (3 << 7); |
| 398 | break; |
| 399 | case FEC_7_8: |
| 400 | tps |= (4 << 7); |
| 401 | break; |
| 402 | case FEC_1_2: |
| 403 | case FEC_AUTO: |
| 404 | default: |
| 405 | /* tps |= (0 << 7) */; |
| 406 | } |
| 407 | |
| 408 | switch (op->code_rate_LP) { |
| 409 | case FEC_2_3: |
| 410 | tps |= (1 << 4); |
| 411 | break; |
| 412 | case FEC_3_4: |
| 413 | tps |= (2 << 4); |
| 414 | break; |
| 415 | case FEC_5_6: |
| 416 | tps |= (3 << 4); |
| 417 | break; |
| 418 | case FEC_7_8: |
| 419 | tps |= (4 << 4); |
| 420 | break; |
| 421 | case FEC_1_2: |
| 422 | case FEC_AUTO: |
| 423 | default: |
| 424 | /* tps |= (0 << 4) */; |
| 425 | } |
| 426 | |
| 427 | switch (op->constellation) { |
| 428 | case QAM_16: |
| 429 | tps |= (1 << 13); |
| 430 | break; |
| 431 | case QAM_64: |
| 432 | tps |= (2 << 13); |
| 433 | break; |
| 434 | case QPSK: |
| 435 | default: |
| 436 | /* tps |= (0 << 13) */; |
| 437 | } |
| 438 | |
| 439 | switch (op->transmission_mode) { |
| 440 | case TRANSMISSION_MODE_8K: |
| 441 | tps |= (1 << 0); |
| 442 | break; |
| 443 | case TRANSMISSION_MODE_2K: |
| 444 | default: |
| 445 | /* tps |= (0 << 0) */; |
| 446 | } |
| 447 | |
| 448 | switch (op->guard_interval) { |
| 449 | case GUARD_INTERVAL_1_16: |
| 450 | tps |= (1 << 2); |
| 451 | break; |
| 452 | case GUARD_INTERVAL_1_8: |
| 453 | tps |= (2 << 2); |
| 454 | break; |
| 455 | case GUARD_INTERVAL_1_4: |
| 456 | tps |= (3 << 2); |
| 457 | break; |
| 458 | case GUARD_INTERVAL_1_32: |
| 459 | default: |
| 460 | /* tps |= (0 << 2) */; |
| 461 | } |
| 462 | |
| 463 | switch (op->hierarchy_information) { |
| 464 | case HIERARCHY_1: |
| 465 | tps |= (1 << 10); |
| 466 | break; |
| 467 | case HIERARCHY_2: |
| 468 | tps |= (2 << 10); |
| 469 | break; |
| 470 | case HIERARCHY_4: |
| 471 | tps |= (3 << 10); |
| 472 | break; |
| 473 | case HIERARCHY_NONE: |
| 474 | default: |
| 475 | /* tps |= (0 << 10) */; |
| 476 | } |
| 477 | |
| 478 | return tps; |
| 479 | } |
| 480 | |
| 481 | static int cinergyt2_open (struct inode *inode, struct file *file) |
| 482 | { |
| 483 | struct dvb_device *dvbdev = file->private_data; |
| 484 | struct cinergyt2 *cinergyt2 = dvbdev->priv; |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 485 | int err = -ERESTARTSYS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 487 | if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | return -ERESTARTSYS; |
| 489 | |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 490 | if ((err = dvb_generic_open(inode, file))) { |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 491 | mutex_unlock(&cinergyt2->sem); |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 492 | return err; |
| 493 | } |
| 494 | |
| 495 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | if ((file->f_flags & O_ACCMODE) != O_RDONLY) { |
| 497 | cinergyt2_sleep(cinergyt2, 0); |
| 498 | schedule_delayed_work(&cinergyt2->query_work, HZ/2); |
| 499 | } |
| 500 | |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 501 | atomic_inc(&cinergyt2->inuse); |
| 502 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 503 | mutex_unlock(&cinergyt2->sem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | return 0; |
| 505 | } |
| 506 | |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 507 | static void cinergyt2_unregister(struct cinergyt2 *cinergyt2) |
| 508 | { |
Markus Rechberger | 77cc531 | 2006-03-15 09:31:31 -0300 | [diff] [blame] | 509 | dvb_net_release(&cinergyt2->dvbnet); |
| 510 | dvb_dmxdev_release(&cinergyt2->dmxdev); |
| 511 | dvb_dmx_release(&cinergyt2->demux); |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 512 | dvb_unregister_device(cinergyt2->fedev); |
| 513 | dvb_unregister_adapter(&cinergyt2->adapter); |
| 514 | |
| 515 | cinergyt2_free_stream_urbs(cinergyt2); |
| 516 | kfree(cinergyt2); |
| 517 | } |
| 518 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | static int cinergyt2_release (struct inode *inode, struct file *file) |
| 520 | { |
| 521 | struct dvb_device *dvbdev = file->private_data; |
| 522 | struct cinergyt2 *cinergyt2 = dvbdev->priv; |
| 523 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 524 | if (mutex_lock_interruptible(&cinergyt2->sem)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | return -ERESTARTSYS; |
| 526 | |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 527 | if (!cinergyt2->disconnect_pending && (file->f_flags & O_ACCMODE) != O_RDONLY) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | cancel_delayed_work(&cinergyt2->query_work); |
| 529 | flush_scheduled_work(); |
| 530 | cinergyt2_sleep(cinergyt2, 1); |
| 531 | } |
| 532 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 533 | mutex_unlock(&cinergyt2->sem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 535 | if (atomic_dec_and_test(&cinergyt2->inuse) && cinergyt2->disconnect_pending) { |
| 536 | warn("delayed unregister in release"); |
| 537 | cinergyt2_unregister(cinergyt2); |
| 538 | } |
| 539 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | return dvb_generic_release(inode, file); |
| 541 | } |
| 542 | |
| 543 | static unsigned int cinergyt2_poll (struct file *file, struct poll_table_struct *wait) |
| 544 | { |
| 545 | struct dvb_device *dvbdev = file->private_data; |
| 546 | struct cinergyt2 *cinergyt2 = dvbdev->priv; |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 547 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 548 | if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 549 | return -ERESTARTSYS; |
| 550 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | poll_wait(file, &cinergyt2->poll_wq, wait); |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 552 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 553 | mutex_unlock(&cinergyt2->sem); |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 554 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | return (POLLIN | POLLRDNORM | POLLPRI); |
| 556 | } |
| 557 | |
| 558 | |
| 559 | static int cinergyt2_ioctl (struct inode *inode, struct file *file, |
| 560 | unsigned cmd, unsigned long arg) |
| 561 | { |
| 562 | struct dvb_device *dvbdev = file->private_data; |
| 563 | struct cinergyt2 *cinergyt2 = dvbdev->priv; |
| 564 | struct dvbt_get_status_msg *stat = &cinergyt2->status; |
| 565 | fe_status_t status = 0; |
| 566 | |
| 567 | switch (cmd) { |
| 568 | case FE_GET_INFO: |
| 569 | return copy_to_user((void __user*) arg, &cinergyt2_fe_info, |
| 570 | sizeof(struct dvb_frontend_info)); |
| 571 | |
| 572 | case FE_READ_STATUS: |
| 573 | if (0xffff - le16_to_cpu(stat->gain) > 30) |
| 574 | status |= FE_HAS_SIGNAL; |
| 575 | if (stat->lock_bits & (1 << 6)) |
| 576 | status |= FE_HAS_LOCK; |
| 577 | if (stat->lock_bits & (1 << 5)) |
| 578 | status |= FE_HAS_SYNC; |
| 579 | if (stat->lock_bits & (1 << 4)) |
| 580 | status |= FE_HAS_CARRIER; |
| 581 | if (stat->lock_bits & (1 << 1)) |
| 582 | status |= FE_HAS_VITERBI; |
| 583 | |
| 584 | return copy_to_user((void __user*) arg, &status, sizeof(status)); |
| 585 | |
| 586 | case FE_READ_BER: |
| 587 | return put_user(le32_to_cpu(stat->viterbi_error_rate), |
| 588 | (__u32 __user *) arg); |
| 589 | |
| 590 | case FE_READ_SIGNAL_STRENGTH: |
| 591 | return put_user(0xffff - le16_to_cpu(stat->gain), |
| 592 | (__u16 __user *) arg); |
| 593 | |
| 594 | case FE_READ_SNR: |
| 595 | return put_user((stat->snr << 8) | stat->snr, |
| 596 | (__u16 __user *) arg); |
| 597 | |
| 598 | case FE_READ_UNCORRECTED_BLOCKS: |
Stephen Williams | 2c3f11b | 2006-01-09 15:25:21 -0200 | [diff] [blame] | 599 | { |
| 600 | uint32_t unc_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | |
Stephen Williams | 2c3f11b | 2006-01-09 15:25:21 -0200 | [diff] [blame] | 602 | unc_count = stat->uncorrected_block_count; |
| 603 | stat->uncorrected_block_count = 0; |
| 604 | |
| 605 | /* UNC are already converted to host byte order... */ |
| 606 | return put_user(unc_count,(__u32 __user *) arg); |
| 607 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | case FE_SET_FRONTEND: |
| 609 | { |
| 610 | struct dvbt_set_parameters_msg *param = &cinergyt2->param; |
| 611 | struct dvb_frontend_parameters p; |
| 612 | int err; |
| 613 | |
| 614 | if ((file->f_flags & O_ACCMODE) == O_RDONLY) |
| 615 | return -EPERM; |
| 616 | |
| 617 | if (copy_from_user(&p, (void __user*) arg, sizeof(p))) |
| 618 | return -EFAULT; |
| 619 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 620 | if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 621 | return -ERESTARTSYS; |
| 622 | |
| 623 | param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; |
| 624 | param->tps = cpu_to_le16(compute_tps(&p)); |
| 625 | param->freq = cpu_to_le32(p.frequency / 1000); |
| 626 | param->bandwidth = 8 - p.u.ofdm.bandwidth - BANDWIDTH_8_MHZ; |
| 627 | |
| 628 | stat->lock_bits = 0; |
| 629 | cinergyt2->pending_fe_events++; |
| 630 | wake_up_interruptible(&cinergyt2->poll_wq); |
| 631 | |
| 632 | err = cinergyt2_command(cinergyt2, |
| 633 | (char *) param, sizeof(*param), |
| 634 | NULL, 0); |
| 635 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 636 | mutex_unlock(&cinergyt2->sem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | |
| 638 | return (err < 0) ? err : 0; |
| 639 | } |
| 640 | |
| 641 | case FE_GET_FRONTEND: |
| 642 | /** |
| 643 | * trivial to implement (see struct dvbt_get_status_msg). |
| 644 | * equivalent to FE_READ ioctls, but needs |
| 645 | * TPS -> linux-dvb parameter set conversion. Feel free |
| 646 | * to implement this and send us a patch if you need this |
| 647 | * functionality. |
| 648 | */ |
| 649 | break; |
| 650 | |
| 651 | case FE_GET_EVENT: |
| 652 | { |
| 653 | /** |
| 654 | * for now we only fill the status field. the parameters |
| 655 | * are trivial to fill as soon FE_GET_FRONTEND is done. |
| 656 | */ |
| 657 | struct dvb_frontend_event __user *e = (void __user *) arg; |
| 658 | if (cinergyt2->pending_fe_events == 0) { |
| 659 | if (file->f_flags & O_NONBLOCK) |
| 660 | return -EWOULDBLOCK; |
| 661 | wait_event_interruptible(cinergyt2->poll_wq, |
| 662 | cinergyt2->pending_fe_events > 0); |
| 663 | } |
| 664 | cinergyt2->pending_fe_events = 0; |
| 665 | return cinergyt2_ioctl(inode, file, FE_READ_STATUS, |
| 666 | (unsigned long) &e->status); |
| 667 | } |
| 668 | |
| 669 | default: |
| 670 | ; |
| 671 | } |
| 672 | |
| 673 | return -EINVAL; |
| 674 | } |
| 675 | |
| 676 | static int cinergyt2_mmap(struct file *file, struct vm_area_struct *vma) |
| 677 | { |
| 678 | struct dvb_device *dvbdev = file->private_data; |
| 679 | struct cinergyt2 *cinergyt2 = dvbdev->priv; |
| 680 | int ret = 0; |
| 681 | |
| 682 | lock_kernel(); |
| 683 | |
| 684 | if (vma->vm_flags & (VM_WRITE | VM_EXEC)) { |
| 685 | ret = -EPERM; |
| 686 | goto bailout; |
| 687 | } |
| 688 | |
| 689 | if (vma->vm_end > vma->vm_start + STREAM_URB_COUNT * STREAM_BUF_SIZE) { |
| 690 | ret = -EINVAL; |
| 691 | goto bailout; |
| 692 | } |
| 693 | |
| 694 | vma->vm_flags |= (VM_IO | VM_DONTCOPY); |
| 695 | vma->vm_file = file; |
| 696 | |
| 697 | ret = remap_pfn_range(vma, vma->vm_start, |
| 698 | virt_to_phys(cinergyt2->streambuf) >> PAGE_SHIFT, |
| 699 | vma->vm_end - vma->vm_start, |
| 700 | vma->vm_page_prot) ? -EAGAIN : 0; |
| 701 | bailout: |
| 702 | unlock_kernel(); |
| 703 | return ret; |
| 704 | } |
| 705 | |
| 706 | static struct file_operations cinergyt2_fops = { |
| 707 | .owner = THIS_MODULE, |
| 708 | .ioctl = cinergyt2_ioctl, |
| 709 | .poll = cinergyt2_poll, |
| 710 | .open = cinergyt2_open, |
| 711 | .release = cinergyt2_release, |
| 712 | .mmap = cinergyt2_mmap |
| 713 | }; |
| 714 | |
| 715 | static struct dvb_device cinergyt2_fe_template = { |
| 716 | .users = ~0, |
| 717 | .writers = 1, |
| 718 | .readers = (~0)-1, |
| 719 | .fops = &cinergyt2_fops |
| 720 | }; |
| 721 | |
| 722 | #ifdef ENABLE_RC |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 723 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 724 | static void cinergyt2_query_rc (void *data) |
| 725 | { |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 726 | struct cinergyt2 *cinergyt2 = data; |
| 727 | char buf[1] = { CINERGYT2_EP1_GET_RC_EVENTS }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 728 | struct cinergyt2_rc_event rc_events[12]; |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 729 | int n, len, i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 731 | if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 732 | return; |
| 733 | |
| 734 | len = cinergyt2_command(cinergyt2, buf, sizeof(buf), |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 735 | (char *) rc_events, sizeof(rc_events)); |
| 736 | if (len < 0) |
| 737 | goto out; |
| 738 | if (len == 0) { |
| 739 | if (time_after(jiffies, cinergyt2->last_event_jiffies + |
| 740 | msecs_to_jiffies(150))) { |
| 741 | /* stop key repeat */ |
| 742 | if (cinergyt2->rc_input_event != KEY_MAX) { |
| 743 | dprintk(1, "rc_input_event=%d Up\n", cinergyt2->rc_input_event); |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 744 | input_report_key(cinergyt2->rc_input_dev, |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 745 | cinergyt2->rc_input_event, 0); |
| 746 | cinergyt2->rc_input_event = KEY_MAX; |
| 747 | } |
| 748 | cinergyt2->rc_last_code = ~0; |
| 749 | } |
| 750 | goto out; |
| 751 | } |
| 752 | cinergyt2->last_event_jiffies = jiffies; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 754 | for (n = 0; n < (len / sizeof(rc_events[0])); n++) { |
| 755 | dprintk(1, "rc_events[%d].value = %x, type=%x\n", |
| 756 | n, le32_to_cpu(rc_events[n].value), rc_events[n].type); |
Martin Loschwitz | 38b32d6 | 2005-07-07 17:57:31 -0700 | [diff] [blame] | 757 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 758 | if (rc_events[n].type == CINERGYT2_RC_EVENT_TYPE_NEC && |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 759 | rc_events[n].value == ~0) { |
| 760 | /* keyrepeat bit -> just repeat last rc_input_event */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | } else { |
| 762 | cinergyt2->rc_input_event = KEY_MAX; |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 763 | for (i = 0; i < ARRAY_SIZE(rc_keys); i += 3) { |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 764 | if (rc_keys[i + 0] == rc_events[n].type && |
| 765 | rc_keys[i + 1] == le32_to_cpu(rc_events[n].value)) { |
| 766 | cinergyt2->rc_input_event = rc_keys[i + 2]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | break; |
| 768 | } |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | if (cinergyt2->rc_input_event != KEY_MAX) { |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 773 | if (rc_events[n].value == cinergyt2->rc_last_code && |
| 774 | cinergyt2->rc_last_code != ~0) { |
| 775 | /* emit a key-up so the double event is recognized */ |
| 776 | dprintk(1, "rc_input_event=%d UP\n", cinergyt2->rc_input_event); |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 777 | input_report_key(cinergyt2->rc_input_dev, |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 778 | cinergyt2->rc_input_event, 0); |
| 779 | } |
| 780 | dprintk(1, "rc_input_event=%d\n", cinergyt2->rc_input_event); |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 781 | input_report_key(cinergyt2->rc_input_dev, |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 782 | cinergyt2->rc_input_event, 1); |
| 783 | cinergyt2->rc_last_code = rc_events[n].value; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 784 | } |
| 785 | } |
| 786 | |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 787 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 788 | schedule_delayed_work(&cinergyt2->rc_query_work, |
| 789 | msecs_to_jiffies(RC_QUERY_INTERVAL)); |
| 790 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 791 | mutex_unlock(&cinergyt2->sem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 792 | } |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 793 | |
| 794 | static int cinergyt2_register_rc(struct cinergyt2 *cinergyt2) |
| 795 | { |
| 796 | struct input_dev *input_dev; |
| 797 | int i; |
| 798 | |
| 799 | cinergyt2->rc_input_dev = input_dev = input_allocate_device(); |
| 800 | if (!input_dev) |
| 801 | return -ENOMEM; |
| 802 | |
| 803 | usb_make_path(cinergyt2->udev, cinergyt2->phys, sizeof(cinergyt2->phys)); |
| 804 | strlcat(cinergyt2->phys, "/input0", sizeof(cinergyt2->phys)); |
| 805 | cinergyt2->rc_input_event = KEY_MAX; |
| 806 | cinergyt2->rc_last_code = ~0; |
| 807 | INIT_WORK(&cinergyt2->rc_query_work, cinergyt2_query_rc, cinergyt2); |
| 808 | |
| 809 | input_dev->name = DRIVER_NAME " remote control"; |
| 810 | input_dev->phys = cinergyt2->phys; |
| 811 | input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); |
Dmitry Torokhov | db93a82 | 2005-11-20 11:13:29 -0500 | [diff] [blame] | 812 | for (i = 0; i < ARRAY_SIZE(rc_keys); i += 3) |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 813 | set_bit(rc_keys[i + 2], input_dev->keybit); |
| 814 | input_dev->keycodesize = 0; |
| 815 | input_dev->keycodemax = 0; |
| 816 | |
| 817 | input_register_device(cinergyt2->rc_input_dev); |
| 818 | schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2); |
David S. Miller | 7b5603e | 2005-11-16 00:11:50 -0800 | [diff] [blame] | 819 | |
| 820 | return 0; |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 821 | } |
| 822 | |
| 823 | static void cinergyt2_unregister_rc(struct cinergyt2 *cinergyt2) |
| 824 | { |
| 825 | cancel_delayed_work(&cinergyt2->rc_query_work); |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 826 | input_unregister_device(cinergyt2->rc_input_dev); |
| 827 | } |
| 828 | |
| 829 | static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2) |
| 830 | { |
| 831 | cancel_delayed_work(&cinergyt2->rc_query_work); |
| 832 | } |
| 833 | |
| 834 | static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2) |
| 835 | { |
| 836 | schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2); |
| 837 | } |
| 838 | |
| 839 | #else |
| 840 | |
| 841 | static inline int cinergyt2_register_rc(struct cinergyt2 *cinergyt2) { return 0; } |
| 842 | static inline void cinergyt2_unregister_rc(struct cinergyt2 *cinergyt2) { } |
| 843 | static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2) { } |
| 844 | static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2) { } |
| 845 | |
| 846 | #endif /* ENABLE_RC */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 847 | |
| 848 | static void cinergyt2_query (void *data) |
| 849 | { |
| 850 | struct cinergyt2 *cinergyt2 = (struct cinergyt2 *) data; |
| 851 | char cmd [] = { CINERGYT2_EP1_GET_TUNER_STATUS }; |
| 852 | struct dvbt_get_status_msg *s = &cinergyt2->status; |
| 853 | uint8_t lock_bits; |
| 854 | uint32_t unc; |
| 855 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 856 | if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | return; |
| 858 | |
| 859 | unc = s->uncorrected_block_count; |
| 860 | lock_bits = s->lock_bits; |
| 861 | |
| 862 | cinergyt2_command(cinergyt2, cmd, sizeof(cmd), (char *) s, sizeof(*s)); |
| 863 | |
| 864 | unc += le32_to_cpu(s->uncorrected_block_count); |
| 865 | s->uncorrected_block_count = unc; |
| 866 | |
| 867 | if (lock_bits != s->lock_bits) { |
| 868 | wake_up_interruptible(&cinergyt2->poll_wq); |
| 869 | cinergyt2->pending_fe_events++; |
| 870 | } |
| 871 | |
| 872 | schedule_delayed_work(&cinergyt2->query_work, |
| 873 | msecs_to_jiffies(QUERY_INTERVAL)); |
| 874 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 875 | mutex_unlock(&cinergyt2->sem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 876 | } |
| 877 | |
| 878 | static int cinergyt2_probe (struct usb_interface *intf, |
| 879 | const struct usb_device_id *id) |
| 880 | { |
| 881 | struct cinergyt2 *cinergyt2; |
Johannes Stezenbach | 6d78933 | 2005-09-09 13:03:05 -0700 | [diff] [blame] | 882 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 883 | |
| 884 | if (!(cinergyt2 = kmalloc (sizeof(struct cinergyt2), GFP_KERNEL))) { |
| 885 | dprintk(1, "out of memory?!?\n"); |
| 886 | return -ENOMEM; |
| 887 | } |
| 888 | |
| 889 | memset (cinergyt2, 0, sizeof (struct cinergyt2)); |
| 890 | usb_set_intfdata (intf, (void *) cinergyt2); |
| 891 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 892 | mutex_init(&cinergyt2->sem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 893 | init_waitqueue_head (&cinergyt2->poll_wq); |
| 894 | INIT_WORK(&cinergyt2->query_work, cinergyt2_query, cinergyt2); |
| 895 | |
| 896 | cinergyt2->udev = interface_to_usbdev(intf); |
| 897 | cinergyt2->param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; |
| 898 | |
| 899 | if (cinergyt2_alloc_stream_urbs (cinergyt2) < 0) { |
| 900 | dprintk(1, "unable to allocate stream urbs\n"); |
| 901 | kfree(cinergyt2); |
| 902 | return -ENOMEM; |
| 903 | } |
| 904 | |
| 905 | dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE); |
| 906 | |
| 907 | cinergyt2->demux.priv = cinergyt2; |
| 908 | cinergyt2->demux.filternum = 256; |
| 909 | cinergyt2->demux.feednum = 256; |
| 910 | cinergyt2->demux.start_feed = cinergyt2_start_feed; |
| 911 | cinergyt2->demux.stop_feed = cinergyt2_stop_feed; |
| 912 | cinergyt2->demux.dmx.capabilities = DMX_TS_FILTERING | |
| 913 | DMX_SECTION_FILTERING | |
| 914 | DMX_MEMORY_BASED_FILTERING; |
| 915 | |
| 916 | if ((err = dvb_dmx_init(&cinergyt2->demux)) < 0) { |
| 917 | dprintk(1, "dvb_dmx_init() failed (err = %d)\n", err); |
| 918 | goto bailout; |
| 919 | } |
| 920 | |
| 921 | cinergyt2->dmxdev.filternum = cinergyt2->demux.filternum; |
| 922 | cinergyt2->dmxdev.demux = &cinergyt2->demux.dmx; |
| 923 | cinergyt2->dmxdev.capabilities = 0; |
| 924 | |
Johannes Stezenbach | fdc53a6 | 2005-05-16 21:54:39 -0700 | [diff] [blame] | 925 | if ((err = dvb_dmxdev_init(&cinergyt2->dmxdev, &cinergyt2->adapter)) < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 926 | dprintk(1, "dvb_dmxdev_init() failed (err = %d)\n", err); |
| 927 | goto bailout; |
| 928 | } |
| 929 | |
Johannes Stezenbach | fdc53a6 | 2005-05-16 21:54:39 -0700 | [diff] [blame] | 930 | if (dvb_net_init(&cinergyt2->adapter, &cinergyt2->dvbnet, &cinergyt2->demux.dmx)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 931 | dprintk(1, "dvb_net_init() failed!\n"); |
| 932 | |
Johannes Stezenbach | fdc53a6 | 2005-05-16 21:54:39 -0700 | [diff] [blame] | 933 | dvb_register_device(&cinergyt2->adapter, &cinergyt2->fedev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 934 | &cinergyt2_fe_template, cinergyt2, |
| 935 | DVB_DEVICE_FRONTEND); |
| 936 | |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 937 | err = cinergyt2_register_rc(cinergyt2); |
| 938 | if (err) |
| 939 | goto bailout; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 940 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 941 | return 0; |
| 942 | |
| 943 | bailout: |
Markus Rechberger | 77cc531 | 2006-03-15 09:31:31 -0300 | [diff] [blame] | 944 | dvb_net_release(&cinergyt2->dvbnet); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 945 | dvb_dmxdev_release(&cinergyt2->dmxdev); |
| 946 | dvb_dmx_release(&cinergyt2->demux); |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 947 | dvb_unregister_adapter(&cinergyt2->adapter); |
| 948 | cinergyt2_free_stream_urbs(cinergyt2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 949 | kfree(cinergyt2); |
| 950 | return -ENOMEM; |
| 951 | } |
| 952 | |
| 953 | static void cinergyt2_disconnect (struct usb_interface *intf) |
| 954 | { |
| 955 | struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf); |
| 956 | |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 957 | flush_scheduled_work(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 958 | |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 959 | cinergyt2_unregister_rc(cinergyt2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 960 | |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 961 | cancel_delayed_work(&cinergyt2->query_work); |
| 962 | wake_up_interruptible(&cinergyt2->poll_wq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 963 | |
Deti Fliegl | e4acba3 | 2006-01-09 15:25:23 -0200 | [diff] [blame] | 964 | cinergyt2->demux.dmx.close(&cinergyt2->demux.dmx); |
| 965 | cinergyt2->disconnect_pending = 1; |
| 966 | |
| 967 | if (!atomic_read(&cinergyt2->inuse)) |
| 968 | cinergyt2_unregister(cinergyt2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 969 | } |
| 970 | |
Pavel Machek | a291068 | 2005-04-16 15:25:27 -0700 | [diff] [blame] | 971 | static int cinergyt2_suspend (struct usb_interface *intf, pm_message_t state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 972 | { |
| 973 | struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf); |
| 974 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 975 | if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 976 | return -ERESTARTSYS; |
| 977 | |
Pavel Machek | ca078ba | 2005-09-03 15:56:57 -0700 | [diff] [blame] | 978 | if (state.event > PM_EVENT_ON) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 979 | struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf); |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 980 | |
| 981 | cinergyt2_suspend_rc(cinergyt2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 982 | cancel_delayed_work(&cinergyt2->query_work); |
| 983 | if (cinergyt2->streaming) |
| 984 | cinergyt2_stop_stream_xfer(cinergyt2); |
| 985 | flush_scheduled_work(); |
| 986 | cinergyt2_sleep(cinergyt2, 1); |
| 987 | } |
| 988 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 989 | mutex_unlock(&cinergyt2->sem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 990 | return 0; |
| 991 | } |
| 992 | |
| 993 | static int cinergyt2_resume (struct usb_interface *intf) |
| 994 | { |
| 995 | struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf); |
| 996 | struct dvbt_set_parameters_msg *param = &cinergyt2->param; |
| 997 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 998 | if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 999 | return -ERESTARTSYS; |
| 1000 | |
| 1001 | if (!cinergyt2->sleeping) { |
| 1002 | cinergyt2_sleep(cinergyt2, 0); |
| 1003 | cinergyt2_command(cinergyt2, (char *) param, sizeof(*param), NULL, 0); |
| 1004 | if (cinergyt2->streaming) |
| 1005 | cinergyt2_start_stream_xfer(cinergyt2); |
| 1006 | schedule_delayed_work(&cinergyt2->query_work, HZ/2); |
| 1007 | } |
| 1008 | |
Dmitry Torokhov | b7df391 | 2005-09-15 02:01:53 -0500 | [diff] [blame] | 1009 | cinergyt2_resume_rc(cinergyt2); |
| 1010 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1011 | mutex_unlock(&cinergyt2->sem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1012 | return 0; |
| 1013 | } |
| 1014 | |
| 1015 | static const struct usb_device_id cinergyt2_table [] __devinitdata = { |
| 1016 | { USB_DEVICE(0x0ccd, 0x0038) }, |
| 1017 | { 0 } |
| 1018 | }; |
| 1019 | |
| 1020 | MODULE_DEVICE_TABLE(usb, cinergyt2_table); |
| 1021 | |
| 1022 | static struct usb_driver cinergyt2_driver = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1023 | .name = "cinergyT2", |
| 1024 | .probe = cinergyt2_probe, |
| 1025 | .disconnect = cinergyt2_disconnect, |
| 1026 | .suspend = cinergyt2_suspend, |
| 1027 | .resume = cinergyt2_resume, |
| 1028 | .id_table = cinergyt2_table |
| 1029 | }; |
| 1030 | |
| 1031 | static int __init cinergyt2_init (void) |
| 1032 | { |
| 1033 | int err; |
| 1034 | |
| 1035 | if ((err = usb_register(&cinergyt2_driver)) < 0) |
| 1036 | dprintk(1, "usb_register() failed! (err %i)\n", err); |
| 1037 | |
| 1038 | return err; |
| 1039 | } |
| 1040 | |
| 1041 | static void __exit cinergyt2_exit (void) |
| 1042 | { |
| 1043 | usb_deregister(&cinergyt2_driver); |
| 1044 | } |
| 1045 | |
| 1046 | module_init (cinergyt2_init); |
| 1047 | module_exit (cinergyt2_exit); |
| 1048 | |
| 1049 | MODULE_LICENSE("GPL"); |
| 1050 | MODULE_AUTHOR("Holger Waechtler, Daniel Mack"); |