Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 1 | /* |
| 2 | * FireDTV driver (formerly known as FireSAT) |
| 3 | * |
| 4 | * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> |
| 5 | * Copyright (C) 2008 Ben Backx <ben@bbackx.com> |
| 6 | * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/bug.h> |
| 15 | #include <linux/crc32.h> |
| 16 | #include <linux/delay.h> |
| 17 | #include <linux/device.h> |
| 18 | #include <linux/jiffies.h> |
| 19 | #include <linux/kernel.h> |
| 20 | #include <linux/moduleparam.h> |
| 21 | #include <linux/mutex.h> |
| 22 | #include <linux/string.h> |
| 23 | #include <linux/stringify.h> |
| 24 | #include <linux/wait.h> |
| 25 | #include <linux/workqueue.h> |
| 26 | |
| 27 | #include "firedtv.h" |
| 28 | |
| 29 | #define FCP_COMMAND_REGISTER 0xfffff0000b00ULL |
| 30 | |
| 31 | #define AVC_CTYPE_CONTROL 0x0 |
| 32 | #define AVC_CTYPE_STATUS 0x1 |
| 33 | #define AVC_CTYPE_NOTIFY 0x3 |
| 34 | |
| 35 | #define AVC_RESPONSE_ACCEPTED 0x9 |
| 36 | #define AVC_RESPONSE_STABLE 0xc |
| 37 | #define AVC_RESPONSE_CHANGED 0xd |
| 38 | #define AVC_RESPONSE_INTERIM 0xf |
| 39 | |
| 40 | #define AVC_SUBUNIT_TYPE_TUNER (0x05 << 3) |
| 41 | #define AVC_SUBUNIT_TYPE_UNIT (0x1f << 3) |
| 42 | |
| 43 | #define AVC_OPCODE_VENDOR 0x00 |
| 44 | #define AVC_OPCODE_READ_DESCRIPTOR 0x09 |
| 45 | #define AVC_OPCODE_DSIT 0xc8 |
| 46 | #define AVC_OPCODE_DSD 0xcb |
| 47 | |
| 48 | #define DESCRIPTOR_TUNER_STATUS 0x80 |
| 49 | #define DESCRIPTOR_SUBUNIT_IDENTIFIER 0x00 |
| 50 | |
| 51 | #define SFE_VENDOR_DE_COMPANYID_0 0x00 /* OUI of Digital Everywhere */ |
| 52 | #define SFE_VENDOR_DE_COMPANYID_1 0x12 |
| 53 | #define SFE_VENDOR_DE_COMPANYID_2 0x87 |
| 54 | |
| 55 | #define SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL 0x0a |
| 56 | #define SFE_VENDOR_OPCODE_LNB_CONTROL 0x52 |
| 57 | #define SFE_VENDOR_OPCODE_TUNE_QPSK 0x58 /* for DVB-S */ |
| 58 | |
| 59 | #define SFE_VENDOR_OPCODE_GET_FIRMWARE_VERSION 0x00 |
| 60 | #define SFE_VENDOR_OPCODE_HOST2CA 0x56 |
| 61 | #define SFE_VENDOR_OPCODE_CA2HOST 0x57 |
| 62 | #define SFE_VENDOR_OPCODE_CISTATUS 0x59 |
| 63 | #define SFE_VENDOR_OPCODE_TUNE_QPSK2 0x60 /* for DVB-S2 */ |
| 64 | |
| 65 | #define SFE_VENDOR_TAG_CA_RESET 0x00 |
| 66 | #define SFE_VENDOR_TAG_CA_APPLICATION_INFO 0x01 |
| 67 | #define SFE_VENDOR_TAG_CA_PMT 0x02 |
| 68 | #define SFE_VENDOR_TAG_CA_DATE_TIME 0x04 |
| 69 | #define SFE_VENDOR_TAG_CA_MMI 0x05 |
| 70 | #define SFE_VENDOR_TAG_CA_ENTER_MENU 0x07 |
| 71 | |
| 72 | #define EN50221_LIST_MANAGEMENT_ONLY 0x03 |
| 73 | #define EN50221_TAG_APP_INFO 0x9f8021 |
| 74 | #define EN50221_TAG_CA_INFO 0x9f8031 |
| 75 | |
| 76 | struct avc_command_frame { |
| 77 | int length; |
| 78 | u8 ctype; |
| 79 | u8 subunit; |
| 80 | u8 opcode; |
| 81 | u8 operand[509]; |
| 82 | }; |
| 83 | |
| 84 | struct avc_response_frame { |
| 85 | int length; |
| 86 | u8 response; |
| 87 | u8 subunit; |
| 88 | u8 opcode; |
| 89 | u8 operand[509]; |
| 90 | }; |
| 91 | |
Henrik Kurelid | 1534477 | 2009-08-01 08:04:06 -0300 | [diff] [blame] | 92 | #define AVC_DEBUG_READ_DESCRIPTOR 0x0001 |
| 93 | #define AVC_DEBUG_DSIT 0x0002 |
| 94 | #define AVC_DEBUG_DSD 0x0004 |
| 95 | #define AVC_DEBUG_REGISTER_REMOTE_CONTROL 0x0008 |
| 96 | #define AVC_DEBUG_LNB_CONTROL 0x0010 |
| 97 | #define AVC_DEBUG_TUNE_QPSK 0x0020 |
| 98 | #define AVC_DEBUG_TUNE_QPSK2 0x0040 |
| 99 | #define AVC_DEBUG_HOST2CA 0x0080 |
| 100 | #define AVC_DEBUG_CA2HOST 0x0100 |
| 101 | #define AVC_DEBUG_APPLICATION_PMT 0x4000 |
| 102 | #define AVC_DEBUG_FCP_PAYLOADS 0x8000 |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 103 | |
| 104 | static int avc_debug; |
| 105 | module_param_named(debug, avc_debug, int, 0644); |
Stefan Richter | 96e242a5 | 2009-08-01 08:05:16 -0300 | [diff] [blame] | 106 | MODULE_PARM_DESC(debug, "Verbose logging (none = 0" |
| 107 | ", FCP subactions" |
| 108 | ": READ DESCRIPTOR = " __stringify(AVC_DEBUG_READ_DESCRIPTOR) |
| 109 | ", DSIT = " __stringify(AVC_DEBUG_DSIT) |
| 110 | ", REGISTER_REMOTE_CONTROL = " __stringify(AVC_DEBUG_REGISTER_REMOTE_CONTROL) |
| 111 | ", LNB CONTROL = " __stringify(AVC_DEBUG_LNB_CONTROL) |
| 112 | ", TUNE QPSK = " __stringify(AVC_DEBUG_TUNE_QPSK) |
| 113 | ", TUNE QPSK2 = " __stringify(AVC_DEBUG_TUNE_QPSK2) |
| 114 | ", HOST2CA = " __stringify(AVC_DEBUG_HOST2CA) |
| 115 | ", CA2HOST = " __stringify(AVC_DEBUG_CA2HOST) |
| 116 | "; Application sent PMT = " __stringify(AVC_DEBUG_APPLICATION_PMT) |
| 117 | ", FCP payloads = " __stringify(AVC_DEBUG_FCP_PAYLOADS) |
| 118 | ", or a combination, or all = -1)"); |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 119 | |
| 120 | static const char *debug_fcp_ctype(unsigned int ctype) |
| 121 | { |
| 122 | static const char *ctypes[] = { |
| 123 | [0x0] = "CONTROL", [0x1] = "STATUS", |
| 124 | [0x2] = "SPECIFIC INQUIRY", [0x3] = "NOTIFY", |
| 125 | [0x4] = "GENERAL INQUIRY", [0x8] = "NOT IMPLEMENTED", |
| 126 | [0x9] = "ACCEPTED", [0xa] = "REJECTED", |
| 127 | [0xb] = "IN TRANSITION", [0xc] = "IMPLEMENTED/STABLE", |
| 128 | [0xd] = "CHANGED", [0xf] = "INTERIM", |
| 129 | }; |
| 130 | const char *ret = ctype < ARRAY_SIZE(ctypes) ? ctypes[ctype] : NULL; |
| 131 | |
| 132 | return ret ? ret : "?"; |
| 133 | } |
| 134 | |
| 135 | static const char *debug_fcp_opcode(unsigned int opcode, |
Stefan Richter | 40cf65d | 2009-03-05 19:13:43 +0100 | [diff] [blame] | 136 | const u8 *data, int length) |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 137 | { |
| 138 | switch (opcode) { |
Stefan Richter | 96e242a5 | 2009-08-01 08:05:16 -0300 | [diff] [blame] | 139 | case AVC_OPCODE_VENDOR: |
| 140 | break; |
| 141 | case AVC_OPCODE_READ_DESCRIPTOR: |
| 142 | return avc_debug & AVC_DEBUG_READ_DESCRIPTOR ? |
| 143 | "ReadDescriptor" : NULL; |
| 144 | case AVC_OPCODE_DSIT: |
| 145 | return avc_debug & AVC_DEBUG_DSIT ? |
| 146 | "DirectSelectInfo.Type" : NULL; |
| 147 | case AVC_OPCODE_DSD: |
| 148 | return avc_debug & AVC_DEBUG_DSD ? "DirectSelectData" : NULL; |
| 149 | default: |
| 150 | return "Unknown"; |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | if (length < 7 || |
| 154 | data[3] != SFE_VENDOR_DE_COMPANYID_0 || |
| 155 | data[4] != SFE_VENDOR_DE_COMPANYID_1 || |
| 156 | data[5] != SFE_VENDOR_DE_COMPANYID_2) |
Stefan Richter | 96e242a5 | 2009-08-01 08:05:16 -0300 | [diff] [blame] | 157 | return "Vendor/Unknown"; |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 158 | |
| 159 | switch (data[6]) { |
Stefan Richter | 96e242a5 | 2009-08-01 08:05:16 -0300 | [diff] [blame] | 160 | case SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL: |
| 161 | return avc_debug & AVC_DEBUG_REGISTER_REMOTE_CONTROL ? |
| 162 | "RegisterRC" : NULL; |
| 163 | case SFE_VENDOR_OPCODE_LNB_CONTROL: |
| 164 | return avc_debug & AVC_DEBUG_LNB_CONTROL ? "LNBControl" : NULL; |
| 165 | case SFE_VENDOR_OPCODE_TUNE_QPSK: |
| 166 | return avc_debug & AVC_DEBUG_TUNE_QPSK ? "TuneQPSK" : NULL; |
| 167 | case SFE_VENDOR_OPCODE_TUNE_QPSK2: |
| 168 | return avc_debug & AVC_DEBUG_TUNE_QPSK2 ? "TuneQPSK2" : NULL; |
| 169 | case SFE_VENDOR_OPCODE_HOST2CA: |
| 170 | return avc_debug & AVC_DEBUG_HOST2CA ? "Host2CA" : NULL; |
| 171 | case SFE_VENDOR_OPCODE_CA2HOST: |
| 172 | return avc_debug & AVC_DEBUG_CA2HOST ? "CA2Host" : NULL; |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 173 | } |
Stefan Richter | 96e242a5 | 2009-08-01 08:05:16 -0300 | [diff] [blame] | 174 | return "Vendor/Unknown"; |
Henrik Kurelid | 1534477 | 2009-08-01 08:04:06 -0300 | [diff] [blame] | 175 | } |
| 176 | |
Stefan Richter | 40cf65d | 2009-03-05 19:13:43 +0100 | [diff] [blame] | 177 | static void debug_fcp(const u8 *data, int length) |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 178 | { |
Stefan Richter | 96e242a5 | 2009-08-01 08:05:16 -0300 | [diff] [blame] | 179 | unsigned int subunit_type, subunit_id, opcode; |
| 180 | const char *op, *prefix; |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 181 | |
Stefan Richter | 96e242a5 | 2009-08-01 08:05:16 -0300 | [diff] [blame] | 182 | prefix = data[0] > 7 ? "FCP <- " : "FCP -> "; |
Henrik Kurelid | 1534477 | 2009-08-01 08:04:06 -0300 | [diff] [blame] | 183 | subunit_type = data[1] >> 3; |
Stefan Richter | 96e242a5 | 2009-08-01 08:05:16 -0300 | [diff] [blame] | 184 | subunit_id = data[1] & 7; |
| 185 | opcode = subunit_type == 0x1e || subunit_id == 5 ? ~0 : data[2]; |
| 186 | op = debug_fcp_opcode(opcode, data, length); |
| 187 | |
| 188 | if (op) { |
Stefan Richter | 14edcd5 | 2009-04-01 17:25:00 -0300 | [diff] [blame] | 189 | printk(KERN_INFO "%ssu=%x.%x l=%d: %-8s - %s\n", |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 190 | prefix, subunit_type, subunit_id, length, |
Stefan Richter | 96e242a5 | 2009-08-01 08:05:16 -0300 | [diff] [blame] | 191 | debug_fcp_ctype(data[0]), op); |
Henrik Kurelid | 1534477 | 2009-08-01 08:04:06 -0300 | [diff] [blame] | 192 | if (avc_debug & AVC_DEBUG_FCP_PAYLOADS) |
| 193 | print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_NONE, |
| 194 | 16, 1, data, length, false); |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 195 | } |
Henrik Kurelid | 1534477 | 2009-08-01 08:04:06 -0300 | [diff] [blame] | 196 | } |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 197 | |
Henrik Kurelid | 1534477 | 2009-08-01 08:04:06 -0300 | [diff] [blame] | 198 | static void debug_pmt(char *msg, int length) |
| 199 | { |
| 200 | printk(KERN_INFO "APP PMT -> l=%d\n", length); |
| 201 | print_hex_dump(KERN_INFO, "APP PMT -> ", DUMP_PREFIX_NONE, |
| 202 | 16, 1, msg, length, false); |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 203 | } |
| 204 | |
| 205 | static int __avc_write(struct firedtv *fdtv, |
| 206 | const struct avc_command_frame *c, struct avc_response_frame *r) |
| 207 | { |
| 208 | int err, retry; |
| 209 | |
| 210 | if (r) |
| 211 | fdtv->avc_reply_received = false; |
| 212 | |
| 213 | for (retry = 0; retry < 6; retry++) { |
| 214 | if (unlikely(avc_debug)) |
| 215 | debug_fcp(&c->ctype, c->length); |
| 216 | |
| 217 | err = fdtv->backend->write(fdtv, FCP_COMMAND_REGISTER, |
| 218 | (void *)&c->ctype, c->length); |
| 219 | if (err) { |
| 220 | fdtv->avc_reply_received = true; |
| 221 | dev_err(fdtv->device, "FCP command write failed\n"); |
| 222 | return err; |
| 223 | } |
| 224 | |
| 225 | if (!r) |
| 226 | return 0; |
| 227 | |
| 228 | /* |
| 229 | * AV/C specs say that answers should be sent within 150 ms. |
| 230 | * Time out after 200 ms. |
| 231 | */ |
| 232 | if (wait_event_timeout(fdtv->avc_wait, |
| 233 | fdtv->avc_reply_received, |
| 234 | msecs_to_jiffies(200)) != 0) { |
| 235 | r->length = fdtv->response_length; |
| 236 | memcpy(&r->response, fdtv->response, r->length); |
| 237 | |
| 238 | return 0; |
| 239 | } |
| 240 | } |
| 241 | dev_err(fdtv->device, "FCP response timed out\n"); |
| 242 | return -ETIMEDOUT; |
| 243 | } |
| 244 | |
| 245 | static int avc_write(struct firedtv *fdtv, |
| 246 | const struct avc_command_frame *c, struct avc_response_frame *r) |
| 247 | { |
| 248 | int ret; |
| 249 | |
| 250 | if (mutex_lock_interruptible(&fdtv->avc_mutex)) |
| 251 | return -EINTR; |
| 252 | |
| 253 | ret = __avc_write(fdtv, c, r); |
| 254 | |
| 255 | mutex_unlock(&fdtv->avc_mutex); |
| 256 | return ret; |
| 257 | } |
| 258 | |
| 259 | int avc_recv(struct firedtv *fdtv, void *data, size_t length) |
| 260 | { |
| 261 | struct avc_response_frame *r = |
| 262 | data - offsetof(struct avc_response_frame, response); |
| 263 | |
| 264 | if (unlikely(avc_debug)) |
| 265 | debug_fcp(data, length); |
| 266 | |
| 267 | if (length >= 8 && |
| 268 | r->operand[0] == SFE_VENDOR_DE_COMPANYID_0 && |
| 269 | r->operand[1] == SFE_VENDOR_DE_COMPANYID_1 && |
| 270 | r->operand[2] == SFE_VENDOR_DE_COMPANYID_2 && |
| 271 | r->operand[3] == SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL) { |
| 272 | if (r->response == AVC_RESPONSE_CHANGED) { |
| 273 | fdtv_handle_rc(fdtv, |
| 274 | r->operand[4] << 8 | r->operand[5]); |
| 275 | schedule_work(&fdtv->remote_ctrl_work); |
| 276 | } else if (r->response != AVC_RESPONSE_INTERIM) { |
| 277 | dev_info(fdtv->device, |
| 278 | "remote control result = %d\n", r->response); |
| 279 | } |
| 280 | return 0; |
| 281 | } |
| 282 | |
| 283 | if (fdtv->avc_reply_received) { |
| 284 | dev_err(fdtv->device, "out-of-order AVC response, ignored\n"); |
| 285 | return -EIO; |
| 286 | } |
| 287 | |
| 288 | memcpy(fdtv->response, data, length); |
| 289 | fdtv->response_length = length; |
| 290 | |
| 291 | fdtv->avc_reply_received = true; |
| 292 | wake_up(&fdtv->avc_wait); |
| 293 | |
| 294 | return 0; |
| 295 | } |
| 296 | |
Henrik Kurelid | 166987c | 2009-08-01 08:02:38 -0300 | [diff] [blame] | 297 | static int add_pid_filter(struct firedtv *fdtv, u8 *operand) |
| 298 | { |
| 299 | int i, n, pos = 1; |
| 300 | |
| 301 | for (i = 0, n = 0; i < 16; i++) { |
| 302 | if (test_bit(i, &fdtv->channel_active)) { |
| 303 | operand[pos++] = 0x13; /* flowfunction relay */ |
| 304 | operand[pos++] = 0x80; /* dsd_sel_spec_valid_flags -> PID */ |
| 305 | operand[pos++] = (fdtv->channel_pid[i] >> 8) & 0x1f; |
| 306 | operand[pos++] = fdtv->channel_pid[i] & 0xff; |
| 307 | operand[pos++] = 0x00; /* tableID */ |
| 308 | operand[pos++] = 0x00; /* filter_length */ |
| 309 | n++; |
| 310 | } |
| 311 | } |
| 312 | operand[0] = n; |
| 313 | |
| 314 | return pos; |
| 315 | } |
| 316 | |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 317 | /* |
| 318 | * tuning command for setting the relative LNB frequency |
| 319 | * (not supported by the AVC standard) |
| 320 | */ |
| 321 | static void avc_tuner_tuneqpsk(struct firedtv *fdtv, |
| 322 | struct dvb_frontend_parameters *params, |
| 323 | struct avc_command_frame *c) |
| 324 | { |
| 325 | c->opcode = AVC_OPCODE_VENDOR; |
| 326 | |
| 327 | c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| 328 | c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| 329 | c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
Beat Michel Liechti | 32a0f48 | 2009-03-26 22:36:52 +0100 | [diff] [blame] | 330 | if (fdtv->type == FIREDTV_DVB_S2) |
| 331 | c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK2; |
| 332 | else |
| 333 | c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK; |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 334 | |
| 335 | c->operand[4] = (params->frequency >> 24) & 0xff; |
| 336 | c->operand[5] = (params->frequency >> 16) & 0xff; |
| 337 | c->operand[6] = (params->frequency >> 8) & 0xff; |
| 338 | c->operand[7] = params->frequency & 0xff; |
| 339 | |
| 340 | c->operand[8] = ((params->u.qpsk.symbol_rate / 1000) >> 8) & 0xff; |
| 341 | c->operand[9] = (params->u.qpsk.symbol_rate / 1000) & 0xff; |
| 342 | |
| 343 | switch (params->u.qpsk.fec_inner) { |
| 344 | case FEC_1_2: c->operand[10] = 0x1; break; |
| 345 | case FEC_2_3: c->operand[10] = 0x2; break; |
| 346 | case FEC_3_4: c->operand[10] = 0x3; break; |
| 347 | case FEC_5_6: c->operand[10] = 0x4; break; |
| 348 | case FEC_7_8: c->operand[10] = 0x5; break; |
| 349 | case FEC_4_5: |
| 350 | case FEC_8_9: |
| 351 | case FEC_AUTO: |
| 352 | default: c->operand[10] = 0x0; |
| 353 | } |
| 354 | |
| 355 | if (fdtv->voltage == 0xff) |
| 356 | c->operand[11] = 0xff; |
| 357 | else if (fdtv->voltage == SEC_VOLTAGE_18) /* polarisation */ |
| 358 | c->operand[11] = 0; |
| 359 | else |
| 360 | c->operand[11] = 1; |
| 361 | |
| 362 | if (fdtv->tone == 0xff) |
| 363 | c->operand[12] = 0xff; |
| 364 | else if (fdtv->tone == SEC_TONE_ON) /* band */ |
| 365 | c->operand[12] = 1; |
| 366 | else |
| 367 | c->operand[12] = 0; |
| 368 | |
| 369 | if (fdtv->type == FIREDTV_DVB_S2) { |
| 370 | c->operand[13] = 0x1; |
| 371 | c->operand[14] = 0xff; |
| 372 | c->operand[15] = 0xff; |
| 373 | c->length = 20; |
| 374 | } else { |
| 375 | c->length = 16; |
| 376 | } |
| 377 | } |
| 378 | |
Henrik Kurelid | 166987c | 2009-08-01 08:02:38 -0300 | [diff] [blame] | 379 | static void avc_tuner_dsd_dvb_c(struct firedtv *fdtv, |
| 380 | struct dvb_frontend_parameters *params, |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 381 | struct avc_command_frame *c) |
| 382 | { |
| 383 | c->opcode = AVC_OPCODE_DSD; |
| 384 | |
| 385 | c->operand[0] = 0; /* source plug */ |
| 386 | c->operand[1] = 0xd2; /* subfunction replace */ |
| 387 | c->operand[2] = 0x20; /* system id = DVB */ |
| 388 | c->operand[3] = 0x00; /* antenna number */ |
| 389 | c->operand[4] = 0x11; /* system_specific_multiplex selection_length */ |
| 390 | |
| 391 | /* multiplex_valid_flags, high byte */ |
| 392 | c->operand[5] = 0 << 7 /* reserved */ |
| 393 | | 0 << 6 /* Polarisation */ |
| 394 | | 0 << 5 /* Orbital_Pos */ |
| 395 | | 1 << 4 /* Frequency */ |
| 396 | | 1 << 3 /* Symbol_Rate */ |
| 397 | | 0 << 2 /* FEC_outer */ |
| 398 | | (params->u.qam.fec_inner != FEC_AUTO ? 1 << 1 : 0) |
| 399 | | (params->u.qam.modulation != QAM_AUTO ? 1 << 0 : 0); |
| 400 | |
| 401 | /* multiplex_valid_flags, low byte */ |
| 402 | c->operand[6] = 0 << 7 /* NetworkID */ |
| 403 | | 0 << 0 /* reserved */ ; |
| 404 | |
| 405 | c->operand[7] = 0x00; |
| 406 | c->operand[8] = 0x00; |
| 407 | c->operand[9] = 0x00; |
| 408 | c->operand[10] = 0x00; |
| 409 | |
| 410 | c->operand[11] = (((params->frequency / 4000) >> 16) & 0xff) | (2 << 6); |
| 411 | c->operand[12] = ((params->frequency / 4000) >> 8) & 0xff; |
| 412 | c->operand[13] = (params->frequency / 4000) & 0xff; |
| 413 | c->operand[14] = ((params->u.qpsk.symbol_rate / 1000) >> 12) & 0xff; |
| 414 | c->operand[15] = ((params->u.qpsk.symbol_rate / 1000) >> 4) & 0xff; |
| 415 | c->operand[16] = ((params->u.qpsk.symbol_rate / 1000) << 4) & 0xf0; |
| 416 | c->operand[17] = 0x00; |
| 417 | |
| 418 | switch (params->u.qpsk.fec_inner) { |
| 419 | case FEC_1_2: c->operand[18] = 0x1; break; |
| 420 | case FEC_2_3: c->operand[18] = 0x2; break; |
| 421 | case FEC_3_4: c->operand[18] = 0x3; break; |
| 422 | case FEC_5_6: c->operand[18] = 0x4; break; |
| 423 | case FEC_7_8: c->operand[18] = 0x5; break; |
| 424 | case FEC_8_9: c->operand[18] = 0x6; break; |
| 425 | case FEC_4_5: c->operand[18] = 0x8; break; |
| 426 | case FEC_AUTO: |
| 427 | default: c->operand[18] = 0x0; |
| 428 | } |
| 429 | |
| 430 | switch (params->u.qam.modulation) { |
| 431 | case QAM_16: c->operand[19] = 0x08; break; |
| 432 | case QAM_32: c->operand[19] = 0x10; break; |
| 433 | case QAM_64: c->operand[19] = 0x18; break; |
| 434 | case QAM_128: c->operand[19] = 0x20; break; |
| 435 | case QAM_256: c->operand[19] = 0x28; break; |
| 436 | case QAM_AUTO: |
| 437 | default: c->operand[19] = 0x00; |
| 438 | } |
| 439 | |
| 440 | c->operand[20] = 0x00; |
| 441 | c->operand[21] = 0x00; |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 442 | |
Henrik Kurelid | 166987c | 2009-08-01 08:02:38 -0300 | [diff] [blame] | 443 | /* Add PIDs to filter */ |
| 444 | c->length = ALIGN(22 + add_pid_filter(fdtv, &c->operand[22]) + 3, 4); |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 445 | } |
| 446 | |
Henrik Kurelid | 166987c | 2009-08-01 08:02:38 -0300 | [diff] [blame] | 447 | static void avc_tuner_dsd_dvb_t(struct firedtv *fdtv, |
| 448 | struct dvb_frontend_parameters *params, |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 449 | struct avc_command_frame *c) |
| 450 | { |
| 451 | struct dvb_ofdm_parameters *ofdm = ¶ms->u.ofdm; |
| 452 | |
| 453 | c->opcode = AVC_OPCODE_DSD; |
| 454 | |
| 455 | c->operand[0] = 0; /* source plug */ |
| 456 | c->operand[1] = 0xd2; /* subfunction replace */ |
| 457 | c->operand[2] = 0x20; /* system id = DVB */ |
| 458 | c->operand[3] = 0x00; /* antenna number */ |
| 459 | c->operand[4] = 0x0c; /* system_specific_multiplex selection_length */ |
| 460 | |
| 461 | /* multiplex_valid_flags, high byte */ |
| 462 | c->operand[5] = |
| 463 | 0 << 7 /* reserved */ |
| 464 | | 1 << 6 /* CenterFrequency */ |
| 465 | | (ofdm->bandwidth != BANDWIDTH_AUTO ? 1 << 5 : 0) |
| 466 | | (ofdm->constellation != QAM_AUTO ? 1 << 4 : 0) |
| 467 | | (ofdm->hierarchy_information != HIERARCHY_AUTO ? 1 << 3 : 0) |
| 468 | | (ofdm->code_rate_HP != FEC_AUTO ? 1 << 2 : 0) |
| 469 | | (ofdm->code_rate_LP != FEC_AUTO ? 1 << 1 : 0) |
| 470 | | (ofdm->guard_interval != GUARD_INTERVAL_AUTO ? 1 << 0 : 0); |
| 471 | |
| 472 | /* multiplex_valid_flags, low byte */ |
| 473 | c->operand[6] = |
| 474 | 0 << 7 /* NetworkID */ |
| 475 | | (ofdm->transmission_mode != TRANSMISSION_MODE_AUTO ? 1 << 6 : 0) |
| 476 | | 0 << 5 /* OtherFrequencyFlag */ |
| 477 | | 0 << 0 /* reserved */ ; |
| 478 | |
| 479 | c->operand[7] = 0x0; |
| 480 | c->operand[8] = (params->frequency / 10) >> 24; |
| 481 | c->operand[9] = ((params->frequency / 10) >> 16) & 0xff; |
| 482 | c->operand[10] = ((params->frequency / 10) >> 8) & 0xff; |
| 483 | c->operand[11] = (params->frequency / 10) & 0xff; |
| 484 | |
| 485 | switch (ofdm->bandwidth) { |
| 486 | case BANDWIDTH_7_MHZ: c->operand[12] = 0x20; break; |
| 487 | case BANDWIDTH_8_MHZ: |
| 488 | case BANDWIDTH_6_MHZ: /* not defined by AVC spec */ |
| 489 | case BANDWIDTH_AUTO: |
| 490 | default: c->operand[12] = 0x00; |
| 491 | } |
| 492 | |
| 493 | switch (ofdm->constellation) { |
| 494 | case QAM_16: c->operand[13] = 1 << 6; break; |
| 495 | case QAM_64: c->operand[13] = 2 << 6; break; |
| 496 | case QPSK: |
| 497 | default: c->operand[13] = 0x00; |
| 498 | } |
| 499 | |
| 500 | switch (ofdm->hierarchy_information) { |
| 501 | case HIERARCHY_1: c->operand[13] |= 1 << 3; break; |
| 502 | case HIERARCHY_2: c->operand[13] |= 2 << 3; break; |
| 503 | case HIERARCHY_4: c->operand[13] |= 3 << 3; break; |
| 504 | case HIERARCHY_AUTO: |
| 505 | case HIERARCHY_NONE: |
| 506 | default: break; |
| 507 | } |
| 508 | |
| 509 | switch (ofdm->code_rate_HP) { |
| 510 | case FEC_2_3: c->operand[13] |= 1; break; |
| 511 | case FEC_3_4: c->operand[13] |= 2; break; |
| 512 | case FEC_5_6: c->operand[13] |= 3; break; |
| 513 | case FEC_7_8: c->operand[13] |= 4; break; |
| 514 | case FEC_1_2: |
| 515 | default: break; |
| 516 | } |
| 517 | |
| 518 | switch (ofdm->code_rate_LP) { |
| 519 | case FEC_2_3: c->operand[14] = 1 << 5; break; |
| 520 | case FEC_3_4: c->operand[14] = 2 << 5; break; |
| 521 | case FEC_5_6: c->operand[14] = 3 << 5; break; |
| 522 | case FEC_7_8: c->operand[14] = 4 << 5; break; |
| 523 | case FEC_1_2: |
| 524 | default: c->operand[14] = 0x00; break; |
| 525 | } |
| 526 | |
| 527 | switch (ofdm->guard_interval) { |
| 528 | case GUARD_INTERVAL_1_16: c->operand[14] |= 1 << 3; break; |
| 529 | case GUARD_INTERVAL_1_8: c->operand[14] |= 2 << 3; break; |
| 530 | case GUARD_INTERVAL_1_4: c->operand[14] |= 3 << 3; break; |
| 531 | case GUARD_INTERVAL_1_32: |
| 532 | case GUARD_INTERVAL_AUTO: |
| 533 | default: break; |
| 534 | } |
| 535 | |
| 536 | switch (ofdm->transmission_mode) { |
| 537 | case TRANSMISSION_MODE_8K: c->operand[14] |= 1 << 1; break; |
| 538 | case TRANSMISSION_MODE_2K: |
| 539 | case TRANSMISSION_MODE_AUTO: |
| 540 | default: break; |
| 541 | } |
| 542 | |
| 543 | c->operand[15] = 0x00; /* network_ID[0] */ |
| 544 | c->operand[16] = 0x00; /* network_ID[1] */ |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 545 | |
Henrik Kurelid | 166987c | 2009-08-01 08:02:38 -0300 | [diff] [blame] | 546 | /* Add PIDs to filter */ |
| 547 | c->length = ALIGN(17 + add_pid_filter(fdtv, &c->operand[17]) + 3, 4); |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | int avc_tuner_dsd(struct firedtv *fdtv, |
| 551 | struct dvb_frontend_parameters *params) |
| 552 | { |
| 553 | char buffer[sizeof(struct avc_command_frame)]; |
| 554 | struct avc_command_frame *c = (void *)buffer; |
| 555 | struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| 556 | |
| 557 | memset(c, 0, sizeof(*c)); |
| 558 | |
| 559 | c->ctype = AVC_CTYPE_CONTROL; |
| 560 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 561 | |
| 562 | switch (fdtv->type) { |
| 563 | case FIREDTV_DVB_S: |
| 564 | case FIREDTV_DVB_S2: avc_tuner_tuneqpsk(fdtv, params, c); break; |
Henrik Kurelid | 166987c | 2009-08-01 08:02:38 -0300 | [diff] [blame] | 565 | case FIREDTV_DVB_C: avc_tuner_dsd_dvb_c(fdtv, params, c); break; |
| 566 | case FIREDTV_DVB_T: avc_tuner_dsd_dvb_t(fdtv, params, c); break; |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 567 | default: |
| 568 | BUG(); |
| 569 | } |
| 570 | |
| 571 | if (avc_write(fdtv, c, r) < 0) |
| 572 | return -EIO; |
| 573 | |
| 574 | msleep(500); |
| 575 | #if 0 |
| 576 | /* FIXME: */ |
| 577 | /* u8 *status was an out-parameter of avc_tuner_dsd, unused by caller */ |
| 578 | if (status) |
| 579 | *status = r->operand[2]; |
| 580 | #endif |
| 581 | return 0; |
| 582 | } |
| 583 | |
| 584 | int avc_tuner_set_pids(struct firedtv *fdtv, unsigned char pidc, u16 pid[]) |
| 585 | { |
| 586 | char buffer[sizeof(struct avc_command_frame)]; |
| 587 | struct avc_command_frame *c = (void *)buffer; |
| 588 | struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| 589 | int pos, k; |
| 590 | |
| 591 | if (pidc > 16 && pidc != 0xff) |
| 592 | return -EINVAL; |
| 593 | |
| 594 | memset(c, 0, sizeof(*c)); |
| 595 | |
| 596 | c->ctype = AVC_CTYPE_CONTROL; |
| 597 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 598 | c->opcode = AVC_OPCODE_DSD; |
| 599 | |
| 600 | c->operand[0] = 0; /* source plug */ |
| 601 | c->operand[1] = 0xd2; /* subfunction replace */ |
| 602 | c->operand[2] = 0x20; /* system id = DVB */ |
| 603 | c->operand[3] = 0x00; /* antenna number */ |
| 604 | c->operand[4] = 0x00; /* system_specific_multiplex selection_length */ |
| 605 | c->operand[5] = pidc; /* Nr_of_dsd_sel_specs */ |
| 606 | |
| 607 | pos = 6; |
| 608 | if (pidc != 0xff) |
| 609 | for (k = 0; k < pidc; k++) { |
| 610 | c->operand[pos++] = 0x13; /* flowfunction relay */ |
| 611 | c->operand[pos++] = 0x80; /* dsd_sel_spec_valid_flags -> PID */ |
| 612 | c->operand[pos++] = (pid[k] >> 8) & 0x1f; |
| 613 | c->operand[pos++] = pid[k] & 0xff; |
| 614 | c->operand[pos++] = 0x00; /* tableID */ |
| 615 | c->operand[pos++] = 0x00; /* filter_length */ |
| 616 | } |
| 617 | |
| 618 | c->length = ALIGN(3 + pos, 4); |
| 619 | |
| 620 | if (avc_write(fdtv, c, r) < 0) |
| 621 | return -EIO; |
| 622 | |
| 623 | msleep(50); |
| 624 | return 0; |
| 625 | } |
| 626 | |
| 627 | int avc_tuner_get_ts(struct firedtv *fdtv) |
| 628 | { |
| 629 | char buffer[sizeof(struct avc_command_frame)]; |
| 630 | struct avc_command_frame *c = (void *)buffer; |
| 631 | struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| 632 | int sl; |
| 633 | |
| 634 | memset(c, 0, sizeof(*c)); |
| 635 | |
| 636 | c->ctype = AVC_CTYPE_CONTROL; |
| 637 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 638 | c->opcode = AVC_OPCODE_DSIT; |
| 639 | |
| 640 | sl = fdtv->type == FIREDTV_DVB_T ? 0x0c : 0x11; |
| 641 | |
| 642 | c->operand[0] = 0; /* source plug */ |
| 643 | c->operand[1] = 0xd2; /* subfunction replace */ |
| 644 | c->operand[2] = 0xff; /* status */ |
| 645 | c->operand[3] = 0x20; /* system id = DVB */ |
| 646 | c->operand[4] = 0x00; /* antenna number */ |
| 647 | c->operand[5] = 0x0; /* system_specific_search_flags */ |
| 648 | c->operand[6] = sl; /* system_specific_multiplex selection_length */ |
| 649 | c->operand[7] = 0x00; /* valid_flags [0] */ |
| 650 | c->operand[8] = 0x00; /* valid_flags [1] */ |
| 651 | c->operand[7 + sl] = 0x00; /* nr_of_dsit_sel_specs (always 0) */ |
| 652 | |
| 653 | c->length = fdtv->type == FIREDTV_DVB_T ? 24 : 28; |
| 654 | |
| 655 | if (avc_write(fdtv, c, r) < 0) |
| 656 | return -EIO; |
| 657 | |
| 658 | msleep(250); |
| 659 | return 0; |
| 660 | } |
| 661 | |
| 662 | int avc_identify_subunit(struct firedtv *fdtv) |
| 663 | { |
| 664 | char buffer[sizeof(struct avc_command_frame)]; |
| 665 | struct avc_command_frame *c = (void *)buffer; |
| 666 | struct avc_response_frame *r = (void *)buffer; |
| 667 | |
| 668 | memset(c, 0, sizeof(*c)); |
| 669 | |
| 670 | c->ctype = AVC_CTYPE_CONTROL; |
| 671 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 672 | c->opcode = AVC_OPCODE_READ_DESCRIPTOR; |
| 673 | |
| 674 | c->operand[0] = DESCRIPTOR_SUBUNIT_IDENTIFIER; |
| 675 | c->operand[1] = 0xff; |
| 676 | c->operand[2] = 0x00; |
| 677 | c->operand[3] = 0x00; /* length highbyte */ |
| 678 | c->operand[4] = 0x08; /* length lowbyte */ |
| 679 | c->operand[5] = 0x00; /* offset highbyte */ |
| 680 | c->operand[6] = 0x0d; /* offset lowbyte */ |
| 681 | |
| 682 | c->length = 12; |
| 683 | |
| 684 | if (avc_write(fdtv, c, r) < 0) |
| 685 | return -EIO; |
| 686 | |
| 687 | if ((r->response != AVC_RESPONSE_STABLE && |
| 688 | r->response != AVC_RESPONSE_ACCEPTED) || |
| 689 | (r->operand[3] << 8) + r->operand[4] != 8) { |
| 690 | dev_err(fdtv->device, "cannot read subunit identifier\n"); |
| 691 | return -EINVAL; |
| 692 | } |
| 693 | return 0; |
| 694 | } |
| 695 | |
| 696 | #define SIZEOF_ANTENNA_INPUT_INFO 22 |
| 697 | |
| 698 | int avc_tuner_status(struct firedtv *fdtv, struct firedtv_tuner_status *stat) |
| 699 | { |
| 700 | char buffer[sizeof(struct avc_command_frame)]; |
| 701 | struct avc_command_frame *c = (void *)buffer; |
| 702 | struct avc_response_frame *r = (void *)buffer; |
| 703 | int length; |
| 704 | |
| 705 | memset(c, 0, sizeof(*c)); |
| 706 | |
| 707 | c->ctype = AVC_CTYPE_CONTROL; |
| 708 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 709 | c->opcode = AVC_OPCODE_READ_DESCRIPTOR; |
| 710 | |
| 711 | c->operand[0] = DESCRIPTOR_TUNER_STATUS; |
| 712 | c->operand[1] = 0xff; /* read_result_status */ |
| 713 | c->operand[2] = 0x00; /* reserved */ |
| 714 | c->operand[3] = 0; /* SIZEOF_ANTENNA_INPUT_INFO >> 8; */ |
| 715 | c->operand[4] = 0; /* SIZEOF_ANTENNA_INPUT_INFO & 0xff; */ |
| 716 | c->operand[5] = 0x00; |
| 717 | c->operand[6] = 0x00; |
| 718 | |
| 719 | c->length = 12; |
| 720 | |
| 721 | if (avc_write(fdtv, c, r) < 0) |
| 722 | return -EIO; |
| 723 | |
| 724 | if (r->response != AVC_RESPONSE_STABLE && |
| 725 | r->response != AVC_RESPONSE_ACCEPTED) { |
| 726 | dev_err(fdtv->device, "cannot read tuner status\n"); |
| 727 | return -EINVAL; |
| 728 | } |
| 729 | |
| 730 | length = r->operand[9]; |
| 731 | if (r->operand[1] != 0x10 || length != SIZEOF_ANTENNA_INPUT_INFO) { |
| 732 | dev_err(fdtv->device, "got invalid tuner status\n"); |
| 733 | return -EINVAL; |
| 734 | } |
| 735 | |
| 736 | stat->active_system = r->operand[10]; |
| 737 | stat->searching = r->operand[11] >> 7 & 1; |
| 738 | stat->moving = r->operand[11] >> 6 & 1; |
| 739 | stat->no_rf = r->operand[11] >> 5 & 1; |
| 740 | stat->input = r->operand[12] >> 7 & 1; |
| 741 | stat->selected_antenna = r->operand[12] & 0x7f; |
| 742 | stat->ber = r->operand[13] << 24 | |
| 743 | r->operand[14] << 16 | |
| 744 | r->operand[15] << 8 | |
| 745 | r->operand[16]; |
| 746 | stat->signal_strength = r->operand[17]; |
| 747 | stat->raster_frequency = r->operand[18] >> 6 & 2; |
| 748 | stat->rf_frequency = (r->operand[18] & 0x3f) << 16 | |
| 749 | r->operand[19] << 8 | |
| 750 | r->operand[20]; |
| 751 | stat->man_dep_info_length = r->operand[21]; |
| 752 | stat->front_end_error = r->operand[22] >> 4 & 1; |
| 753 | stat->antenna_error = r->operand[22] >> 3 & 1; |
| 754 | stat->front_end_power_status = r->operand[22] >> 1 & 1; |
| 755 | stat->power_supply = r->operand[22] & 1; |
| 756 | stat->carrier_noise_ratio = r->operand[23] << 8 | |
| 757 | r->operand[24]; |
| 758 | stat->power_supply_voltage = r->operand[27]; |
| 759 | stat->antenna_voltage = r->operand[28]; |
| 760 | stat->firewire_bus_voltage = r->operand[29]; |
| 761 | stat->ca_mmi = r->operand[30] & 1; |
| 762 | stat->ca_pmt_reply = r->operand[31] >> 7 & 1; |
| 763 | stat->ca_date_time_request = r->operand[31] >> 6 & 1; |
| 764 | stat->ca_application_info = r->operand[31] >> 5 & 1; |
| 765 | stat->ca_module_present_status = r->operand[31] >> 4 & 1; |
| 766 | stat->ca_dvb_flag = r->operand[31] >> 3 & 1; |
| 767 | stat->ca_error_flag = r->operand[31] >> 2 & 1; |
| 768 | stat->ca_initialization_status = r->operand[31] >> 1 & 1; |
| 769 | |
| 770 | return 0; |
| 771 | } |
| 772 | |
| 773 | int avc_lnb_control(struct firedtv *fdtv, char voltage, char burst, |
| 774 | char conttone, char nrdiseq, |
| 775 | struct dvb_diseqc_master_cmd *diseqcmd) |
| 776 | { |
| 777 | char buffer[sizeof(struct avc_command_frame)]; |
| 778 | struct avc_command_frame *c = (void *)buffer; |
| 779 | struct avc_response_frame *r = (void *)buffer; |
| 780 | int i, j, k; |
| 781 | |
| 782 | memset(c, 0, sizeof(*c)); |
| 783 | |
| 784 | c->ctype = AVC_CTYPE_CONTROL; |
| 785 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 786 | c->opcode = AVC_OPCODE_VENDOR; |
| 787 | |
| 788 | c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| 789 | c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| 790 | c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| 791 | c->operand[3] = SFE_VENDOR_OPCODE_LNB_CONTROL; |
| 792 | |
| 793 | c->operand[4] = voltage; |
| 794 | c->operand[5] = nrdiseq; |
| 795 | |
| 796 | i = 6; |
| 797 | |
| 798 | for (j = 0; j < nrdiseq; j++) { |
| 799 | c->operand[i++] = diseqcmd[j].msg_len; |
| 800 | |
| 801 | for (k = 0; k < diseqcmd[j].msg_len; k++) |
| 802 | c->operand[i++] = diseqcmd[j].msg[k]; |
| 803 | } |
| 804 | |
| 805 | c->operand[i++] = burst; |
| 806 | c->operand[i++] = conttone; |
| 807 | |
| 808 | c->length = ALIGN(3 + i, 4); |
| 809 | |
| 810 | if (avc_write(fdtv, c, r) < 0) |
| 811 | return -EIO; |
| 812 | |
| 813 | if (r->response != AVC_RESPONSE_ACCEPTED) { |
| 814 | dev_err(fdtv->device, "LNB control failed\n"); |
| 815 | return -EINVAL; |
| 816 | } |
| 817 | |
| 818 | return 0; |
| 819 | } |
| 820 | |
| 821 | int avc_register_remote_control(struct firedtv *fdtv) |
| 822 | { |
| 823 | char buffer[sizeof(struct avc_command_frame)]; |
| 824 | struct avc_command_frame *c = (void *)buffer; |
| 825 | |
| 826 | memset(c, 0, sizeof(*c)); |
| 827 | |
| 828 | c->ctype = AVC_CTYPE_NOTIFY; |
| 829 | c->subunit = AVC_SUBUNIT_TYPE_UNIT | 7; |
| 830 | c->opcode = AVC_OPCODE_VENDOR; |
| 831 | |
| 832 | c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| 833 | c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| 834 | c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| 835 | c->operand[3] = SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL; |
| 836 | |
| 837 | c->length = 8; |
| 838 | |
| 839 | return avc_write(fdtv, c, NULL); |
| 840 | } |
| 841 | |
| 842 | void avc_remote_ctrl_work(struct work_struct *work) |
| 843 | { |
| 844 | struct firedtv *fdtv = |
| 845 | container_of(work, struct firedtv, remote_ctrl_work); |
| 846 | |
| 847 | /* Should it be rescheduled in failure cases? */ |
| 848 | avc_register_remote_control(fdtv); |
| 849 | } |
| 850 | |
| 851 | #if 0 /* FIXME: unused */ |
| 852 | int avc_tuner_host2ca(struct firedtv *fdtv) |
| 853 | { |
| 854 | char buffer[sizeof(struct avc_command_frame)]; |
| 855 | struct avc_command_frame *c = (void *)buffer; |
| 856 | struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| 857 | |
| 858 | memset(c, 0, sizeof(*c)); |
| 859 | |
| 860 | c->ctype = AVC_CTYPE_CONTROL; |
| 861 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 862 | c->opcode = AVC_OPCODE_VENDOR; |
| 863 | |
| 864 | c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| 865 | c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| 866 | c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| 867 | c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; |
| 868 | c->operand[4] = 0; /* slot */ |
| 869 | c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */ |
| 870 | c->operand[6] = 0; /* more/last */ |
| 871 | c->operand[7] = 0; /* length */ |
| 872 | |
| 873 | c->length = 12; |
| 874 | |
| 875 | if (avc_write(fdtv, c, r) < 0) |
| 876 | return -EIO; |
| 877 | |
| 878 | return 0; |
| 879 | } |
| 880 | #endif |
| 881 | |
| 882 | static int get_ca_object_pos(struct avc_response_frame *r) |
| 883 | { |
| 884 | int length = 1; |
| 885 | |
| 886 | /* Check length of length field */ |
| 887 | if (r->operand[7] & 0x80) |
| 888 | length = (r->operand[7] & 0x7f) + 1; |
| 889 | return length + 7; |
| 890 | } |
| 891 | |
| 892 | static int get_ca_object_length(struct avc_response_frame *r) |
| 893 | { |
| 894 | #if 0 /* FIXME: unused */ |
| 895 | int size = 0; |
| 896 | int i; |
| 897 | |
| 898 | if (r->operand[7] & 0x80) |
| 899 | for (i = 0; i < (r->operand[7] & 0x7f); i++) { |
| 900 | size <<= 8; |
| 901 | size += r->operand[8 + i]; |
| 902 | } |
| 903 | #endif |
| 904 | return r->operand[7]; |
| 905 | } |
| 906 | |
| 907 | int avc_ca_app_info(struct firedtv *fdtv, char *app_info, unsigned int *len) |
| 908 | { |
| 909 | char buffer[sizeof(struct avc_command_frame)]; |
| 910 | struct avc_command_frame *c = (void *)buffer; |
| 911 | struct avc_response_frame *r = (void *)buffer; |
| 912 | int pos; |
| 913 | |
| 914 | memset(c, 0, sizeof(*c)); |
| 915 | |
| 916 | c->ctype = AVC_CTYPE_STATUS; |
| 917 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 918 | c->opcode = AVC_OPCODE_VENDOR; |
| 919 | |
| 920 | c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| 921 | c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| 922 | c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| 923 | c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; |
| 924 | c->operand[4] = 0; /* slot */ |
| 925 | c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */ |
| 926 | |
| 927 | c->length = 12; |
| 928 | |
| 929 | if (avc_write(fdtv, c, r) < 0) |
| 930 | return -EIO; |
| 931 | |
| 932 | /* FIXME: check response code and validate response data */ |
| 933 | |
| 934 | pos = get_ca_object_pos(r); |
| 935 | app_info[0] = (EN50221_TAG_APP_INFO >> 16) & 0xff; |
| 936 | app_info[1] = (EN50221_TAG_APP_INFO >> 8) & 0xff; |
| 937 | app_info[2] = (EN50221_TAG_APP_INFO >> 0) & 0xff; |
| 938 | app_info[3] = 6 + r->operand[pos + 4]; |
| 939 | app_info[4] = 0x01; |
| 940 | memcpy(&app_info[5], &r->operand[pos], 5 + r->operand[pos + 4]); |
| 941 | *len = app_info[3] + 4; |
| 942 | |
| 943 | return 0; |
| 944 | } |
| 945 | |
| 946 | int avc_ca_info(struct firedtv *fdtv, char *app_info, unsigned int *len) |
| 947 | { |
| 948 | char buffer[sizeof(struct avc_command_frame)]; |
| 949 | struct avc_command_frame *c = (void *)buffer; |
| 950 | struct avc_response_frame *r = (void *)buffer; |
| 951 | int pos; |
| 952 | |
| 953 | memset(c, 0, sizeof(*c)); |
| 954 | |
| 955 | c->ctype = AVC_CTYPE_STATUS; |
| 956 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 957 | c->opcode = AVC_OPCODE_VENDOR; |
| 958 | |
| 959 | c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| 960 | c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| 961 | c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| 962 | c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; |
| 963 | c->operand[4] = 0; /* slot */ |
| 964 | c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */ |
| 965 | |
| 966 | c->length = 12; |
| 967 | |
| 968 | if (avc_write(fdtv, c, r) < 0) |
| 969 | return -EIO; |
| 970 | |
| 971 | pos = get_ca_object_pos(r); |
| 972 | app_info[0] = (EN50221_TAG_CA_INFO >> 16) & 0xff; |
| 973 | app_info[1] = (EN50221_TAG_CA_INFO >> 8) & 0xff; |
| 974 | app_info[2] = (EN50221_TAG_CA_INFO >> 0) & 0xff; |
| 975 | app_info[3] = 2; |
| 976 | app_info[4] = r->operand[pos + 0]; |
| 977 | app_info[5] = r->operand[pos + 1]; |
| 978 | *len = app_info[3] + 4; |
| 979 | |
| 980 | return 0; |
| 981 | } |
| 982 | |
| 983 | int avc_ca_reset(struct firedtv *fdtv) |
| 984 | { |
| 985 | char buffer[sizeof(struct avc_command_frame)]; |
| 986 | struct avc_command_frame *c = (void *)buffer; |
| 987 | struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| 988 | |
| 989 | memset(c, 0, sizeof(*c)); |
| 990 | |
| 991 | c->ctype = AVC_CTYPE_CONTROL; |
| 992 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 993 | c->opcode = AVC_OPCODE_VENDOR; |
| 994 | |
| 995 | c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| 996 | c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| 997 | c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| 998 | c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; |
| 999 | c->operand[4] = 0; /* slot */ |
| 1000 | c->operand[5] = SFE_VENDOR_TAG_CA_RESET; /* ca tag */ |
| 1001 | c->operand[6] = 0; /* more/last */ |
| 1002 | c->operand[7] = 1; /* length */ |
| 1003 | c->operand[8] = 0; /* force hardware reset */ |
| 1004 | |
| 1005 | c->length = 12; |
| 1006 | |
| 1007 | if (avc_write(fdtv, c, r) < 0) |
| 1008 | return -EIO; |
| 1009 | |
| 1010 | return 0; |
| 1011 | } |
| 1012 | |
| 1013 | int avc_ca_pmt(struct firedtv *fdtv, char *msg, int length) |
| 1014 | { |
| 1015 | char buffer[sizeof(struct avc_command_frame)]; |
| 1016 | struct avc_command_frame *c = (void *)buffer; |
| 1017 | struct avc_response_frame *r = (void *)buffer; |
| 1018 | int list_management; |
| 1019 | int program_info_length; |
| 1020 | int pmt_cmd_id; |
| 1021 | int read_pos; |
| 1022 | int write_pos; |
| 1023 | int es_info_length; |
| 1024 | int crc32_csum; |
| 1025 | |
Henrik Kurelid | 1534477 | 2009-08-01 08:04:06 -0300 | [diff] [blame] | 1026 | if (unlikely(avc_debug & AVC_DEBUG_APPLICATION_PMT)) |
| 1027 | debug_pmt(msg, length); |
| 1028 | |
Stefan Richter | 1549079 | 2009-02-23 14:21:10 +0100 | [diff] [blame] | 1029 | memset(c, 0, sizeof(*c)); |
| 1030 | |
| 1031 | c->ctype = AVC_CTYPE_CONTROL; |
| 1032 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 1033 | c->opcode = AVC_OPCODE_VENDOR; |
| 1034 | |
| 1035 | if (msg[0] != EN50221_LIST_MANAGEMENT_ONLY) { |
| 1036 | dev_info(fdtv->device, "forcing list_management to ONLY\n"); |
| 1037 | msg[0] = EN50221_LIST_MANAGEMENT_ONLY; |
| 1038 | } |
| 1039 | /* We take the cmd_id from the programme level only! */ |
| 1040 | list_management = msg[0]; |
| 1041 | program_info_length = ((msg[4] & 0x0f) << 8) + msg[5]; |
| 1042 | if (program_info_length > 0) |
| 1043 | program_info_length--; /* Remove pmt_cmd_id */ |
| 1044 | pmt_cmd_id = msg[6]; |
| 1045 | |
| 1046 | c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| 1047 | c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| 1048 | c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| 1049 | c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; |
| 1050 | c->operand[4] = 0; /* slot */ |
| 1051 | c->operand[5] = SFE_VENDOR_TAG_CA_PMT; /* ca tag */ |
| 1052 | c->operand[6] = 0; /* more/last */ |
| 1053 | /* c->operand[7] = XXXprogram_info_length + 17; */ /* length */ |
| 1054 | c->operand[8] = list_management; |
| 1055 | c->operand[9] = 0x01; /* pmt_cmd=OK_descramble */ |
| 1056 | |
| 1057 | /* TS program map table */ |
| 1058 | |
| 1059 | c->operand[10] = 0x02; /* Table id=2 */ |
| 1060 | c->operand[11] = 0x80; /* Section syntax + length */ |
| 1061 | /* c->operand[12] = XXXprogram_info_length + 12; */ |
| 1062 | c->operand[13] = msg[1]; /* Program number */ |
| 1063 | c->operand[14] = msg[2]; |
| 1064 | c->operand[15] = 0x01; /* Version number=0 + current/next=1 */ |
| 1065 | c->operand[16] = 0x00; /* Section number=0 */ |
| 1066 | c->operand[17] = 0x00; /* Last section number=0 */ |
| 1067 | c->operand[18] = 0x1f; /* PCR_PID=1FFF */ |
| 1068 | c->operand[19] = 0xff; |
| 1069 | c->operand[20] = (program_info_length >> 8); /* Program info length */ |
| 1070 | c->operand[21] = (program_info_length & 0xff); |
| 1071 | |
| 1072 | /* CA descriptors at programme level */ |
| 1073 | read_pos = 6; |
| 1074 | write_pos = 22; |
| 1075 | if (program_info_length > 0) { |
| 1076 | pmt_cmd_id = msg[read_pos++]; |
| 1077 | if (pmt_cmd_id != 1 && pmt_cmd_id != 4) |
| 1078 | dev_err(fdtv->device, |
| 1079 | "invalid pmt_cmd_id %d\n", pmt_cmd_id); |
| 1080 | |
| 1081 | memcpy(&c->operand[write_pos], &msg[read_pos], |
| 1082 | program_info_length); |
| 1083 | read_pos += program_info_length; |
| 1084 | write_pos += program_info_length; |
| 1085 | } |
| 1086 | while (read_pos < length) { |
| 1087 | c->operand[write_pos++] = msg[read_pos++]; |
| 1088 | c->operand[write_pos++] = msg[read_pos++]; |
| 1089 | c->operand[write_pos++] = msg[read_pos++]; |
| 1090 | es_info_length = |
| 1091 | ((msg[read_pos] & 0x0f) << 8) + msg[read_pos + 1]; |
| 1092 | read_pos += 2; |
| 1093 | if (es_info_length > 0) |
| 1094 | es_info_length--; /* Remove pmt_cmd_id */ |
| 1095 | c->operand[write_pos++] = es_info_length >> 8; |
| 1096 | c->operand[write_pos++] = es_info_length & 0xff; |
| 1097 | if (es_info_length > 0) { |
| 1098 | pmt_cmd_id = msg[read_pos++]; |
| 1099 | if (pmt_cmd_id != 1 && pmt_cmd_id != 4) |
| 1100 | dev_err(fdtv->device, "invalid pmt_cmd_id %d " |
| 1101 | "at stream level\n", pmt_cmd_id); |
| 1102 | |
| 1103 | memcpy(&c->operand[write_pos], &msg[read_pos], |
| 1104 | es_info_length); |
| 1105 | read_pos += es_info_length; |
| 1106 | write_pos += es_info_length; |
| 1107 | } |
| 1108 | } |
| 1109 | |
| 1110 | /* CRC */ |
| 1111 | c->operand[write_pos++] = 0x00; |
| 1112 | c->operand[write_pos++] = 0x00; |
| 1113 | c->operand[write_pos++] = 0x00; |
| 1114 | c->operand[write_pos++] = 0x00; |
| 1115 | |
| 1116 | c->operand[7] = write_pos - 8; |
| 1117 | c->operand[12] = write_pos - 13; |
| 1118 | |
| 1119 | crc32_csum = crc32_be(0, &c->operand[10], c->operand[12] - 1); |
| 1120 | c->operand[write_pos - 4] = (crc32_csum >> 24) & 0xff; |
| 1121 | c->operand[write_pos - 3] = (crc32_csum >> 16) & 0xff; |
| 1122 | c->operand[write_pos - 2] = (crc32_csum >> 8) & 0xff; |
| 1123 | c->operand[write_pos - 1] = (crc32_csum >> 0) & 0xff; |
| 1124 | |
| 1125 | c->length = ALIGN(3 + write_pos, 4); |
| 1126 | |
| 1127 | if (avc_write(fdtv, c, r) < 0) |
| 1128 | return -EIO; |
| 1129 | |
| 1130 | if (r->response != AVC_RESPONSE_ACCEPTED) { |
| 1131 | dev_err(fdtv->device, |
| 1132 | "CA PMT failed with response 0x%x\n", r->response); |
| 1133 | return -EFAULT; |
| 1134 | } |
| 1135 | |
| 1136 | return 0; |
| 1137 | } |
| 1138 | |
| 1139 | int avc_ca_get_time_date(struct firedtv *fdtv, int *interval) |
| 1140 | { |
| 1141 | char buffer[sizeof(struct avc_command_frame)]; |
| 1142 | struct avc_command_frame *c = (void *)buffer; |
| 1143 | struct avc_response_frame *r = (void *)buffer; |
| 1144 | |
| 1145 | memset(c, 0, sizeof(*c)); |
| 1146 | |
| 1147 | c->ctype = AVC_CTYPE_STATUS; |
| 1148 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 1149 | c->opcode = AVC_OPCODE_VENDOR; |
| 1150 | |
| 1151 | c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| 1152 | c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| 1153 | c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| 1154 | c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; |
| 1155 | c->operand[4] = 0; /* slot */ |
| 1156 | c->operand[5] = SFE_VENDOR_TAG_CA_DATE_TIME; /* ca tag */ |
| 1157 | c->operand[6] = 0; /* more/last */ |
| 1158 | c->operand[7] = 0; /* length */ |
| 1159 | |
| 1160 | c->length = 12; |
| 1161 | |
| 1162 | if (avc_write(fdtv, c, r) < 0) |
| 1163 | return -EIO; |
| 1164 | |
| 1165 | /* FIXME: check response code and validate response data */ |
| 1166 | |
| 1167 | *interval = r->operand[get_ca_object_pos(r)]; |
| 1168 | |
| 1169 | return 0; |
| 1170 | } |
| 1171 | |
| 1172 | int avc_ca_enter_menu(struct firedtv *fdtv) |
| 1173 | { |
| 1174 | char buffer[sizeof(struct avc_command_frame)]; |
| 1175 | struct avc_command_frame *c = (void *)buffer; |
| 1176 | struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| 1177 | |
| 1178 | memset(c, 0, sizeof(*c)); |
| 1179 | |
| 1180 | c->ctype = AVC_CTYPE_STATUS; |
| 1181 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 1182 | c->opcode = AVC_OPCODE_VENDOR; |
| 1183 | |
| 1184 | c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| 1185 | c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| 1186 | c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| 1187 | c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; |
| 1188 | c->operand[4] = 0; /* slot */ |
| 1189 | c->operand[5] = SFE_VENDOR_TAG_CA_ENTER_MENU; |
| 1190 | c->operand[6] = 0; /* more/last */ |
| 1191 | c->operand[7] = 0; /* length */ |
| 1192 | |
| 1193 | c->length = 12; |
| 1194 | |
| 1195 | if (avc_write(fdtv, c, r) < 0) |
| 1196 | return -EIO; |
| 1197 | |
| 1198 | return 0; |
| 1199 | } |
| 1200 | |
| 1201 | int avc_ca_get_mmi(struct firedtv *fdtv, char *mmi_object, unsigned int *len) |
| 1202 | { |
| 1203 | char buffer[sizeof(struct avc_command_frame)]; |
| 1204 | struct avc_command_frame *c = (void *)buffer; |
| 1205 | struct avc_response_frame *r = (void *)buffer; |
| 1206 | |
| 1207 | memset(c, 0, sizeof(*c)); |
| 1208 | |
| 1209 | c->ctype = AVC_CTYPE_STATUS; |
| 1210 | c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| 1211 | c->opcode = AVC_OPCODE_VENDOR; |
| 1212 | |
| 1213 | c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| 1214 | c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| 1215 | c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| 1216 | c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; |
| 1217 | c->operand[4] = 0; /* slot */ |
| 1218 | c->operand[5] = SFE_VENDOR_TAG_CA_MMI; |
| 1219 | c->operand[6] = 0; /* more/last */ |
| 1220 | c->operand[7] = 0; /* length */ |
| 1221 | |
| 1222 | c->length = 12; |
| 1223 | |
| 1224 | if (avc_write(fdtv, c, r) < 0) |
| 1225 | return -EIO; |
| 1226 | |
| 1227 | /* FIXME: check response code and validate response data */ |
| 1228 | |
| 1229 | *len = get_ca_object_length(r); |
| 1230 | memcpy(mmi_object, &r->operand[get_ca_object_pos(r)], *len); |
| 1231 | |
| 1232 | return 0; |
| 1233 | } |
| 1234 | |
| 1235 | #define CMP_OUTPUT_PLUG_CONTROL_REG_0 0xfffff0000904ULL |
| 1236 | |
| 1237 | static int cmp_read(struct firedtv *fdtv, void *buf, u64 addr, size_t len) |
| 1238 | { |
| 1239 | int ret; |
| 1240 | |
| 1241 | if (mutex_lock_interruptible(&fdtv->avc_mutex)) |
| 1242 | return -EINTR; |
| 1243 | |
| 1244 | ret = fdtv->backend->read(fdtv, addr, buf, len); |
| 1245 | if (ret < 0) |
| 1246 | dev_err(fdtv->device, "CMP: read I/O error\n"); |
| 1247 | |
| 1248 | mutex_unlock(&fdtv->avc_mutex); |
| 1249 | return ret; |
| 1250 | } |
| 1251 | |
| 1252 | static int cmp_lock(struct firedtv *fdtv, void *data, u64 addr, __be32 arg) |
| 1253 | { |
| 1254 | int ret; |
| 1255 | |
| 1256 | if (mutex_lock_interruptible(&fdtv->avc_mutex)) |
| 1257 | return -EINTR; |
| 1258 | |
| 1259 | ret = fdtv->backend->lock(fdtv, addr, data, arg); |
| 1260 | if (ret < 0) |
| 1261 | dev_err(fdtv->device, "CMP: lock I/O error\n"); |
| 1262 | |
| 1263 | mutex_unlock(&fdtv->avc_mutex); |
| 1264 | return ret; |
| 1265 | } |
| 1266 | |
| 1267 | static inline u32 get_opcr(__be32 opcr, u32 mask, u32 shift) |
| 1268 | { |
| 1269 | return (be32_to_cpu(opcr) >> shift) & mask; |
| 1270 | } |
| 1271 | |
| 1272 | static inline void set_opcr(__be32 *opcr, u32 value, u32 mask, u32 shift) |
| 1273 | { |
| 1274 | *opcr &= ~cpu_to_be32(mask << shift); |
| 1275 | *opcr |= cpu_to_be32((value & mask) << shift); |
| 1276 | } |
| 1277 | |
| 1278 | #define get_opcr_online(v) get_opcr((v), 0x1, 31) |
| 1279 | #define get_opcr_p2p_connections(v) get_opcr((v), 0x3f, 24) |
| 1280 | #define get_opcr_channel(v) get_opcr((v), 0x3f, 16) |
| 1281 | |
| 1282 | #define set_opcr_p2p_connections(p, v) set_opcr((p), (v), 0x3f, 24) |
| 1283 | #define set_opcr_channel(p, v) set_opcr((p), (v), 0x3f, 16) |
| 1284 | #define set_opcr_data_rate(p, v) set_opcr((p), (v), 0x3, 14) |
| 1285 | #define set_opcr_overhead_id(p, v) set_opcr((p), (v), 0xf, 10) |
| 1286 | |
| 1287 | int cmp_establish_pp_connection(struct firedtv *fdtv, int plug, int channel) |
| 1288 | { |
| 1289 | __be32 old_opcr, opcr; |
| 1290 | u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); |
| 1291 | int attempts = 0; |
| 1292 | int ret; |
| 1293 | |
| 1294 | ret = cmp_read(fdtv, &opcr, opcr_address, 4); |
| 1295 | if (ret < 0) |
| 1296 | return ret; |
| 1297 | |
| 1298 | repeat: |
| 1299 | if (!get_opcr_online(opcr)) { |
| 1300 | dev_err(fdtv->device, "CMP: output offline\n"); |
| 1301 | return -EBUSY; |
| 1302 | } |
| 1303 | |
| 1304 | old_opcr = opcr; |
| 1305 | |
| 1306 | if (get_opcr_p2p_connections(opcr)) { |
| 1307 | if (get_opcr_channel(opcr) != channel) { |
| 1308 | dev_err(fdtv->device, "CMP: cannot change channel\n"); |
| 1309 | return -EBUSY; |
| 1310 | } |
| 1311 | dev_info(fdtv->device, "CMP: overlaying connection\n"); |
| 1312 | |
| 1313 | /* We don't allocate isochronous resources. */ |
| 1314 | } else { |
| 1315 | set_opcr_channel(&opcr, channel); |
| 1316 | set_opcr_data_rate(&opcr, 2); /* S400 */ |
| 1317 | |
| 1318 | /* FIXME: this is for the worst case - optimize */ |
| 1319 | set_opcr_overhead_id(&opcr, 0); |
| 1320 | |
| 1321 | /* |
| 1322 | * FIXME: allocate isochronous channel and bandwidth at IRM |
| 1323 | * fdtv->backend->alloc_resources(fdtv, channels_mask, bw); |
| 1324 | */ |
| 1325 | } |
| 1326 | |
| 1327 | set_opcr_p2p_connections(&opcr, get_opcr_p2p_connections(opcr) + 1); |
| 1328 | |
| 1329 | ret = cmp_lock(fdtv, &opcr, opcr_address, old_opcr); |
| 1330 | if (ret < 0) |
| 1331 | return ret; |
| 1332 | |
| 1333 | if (old_opcr != opcr) { |
| 1334 | /* |
| 1335 | * FIXME: if old_opcr.P2P_Connections > 0, |
| 1336 | * deallocate isochronous channel and bandwidth at IRM |
| 1337 | * if (...) |
| 1338 | * fdtv->backend->dealloc_resources(fdtv, channel, bw); |
| 1339 | */ |
| 1340 | |
| 1341 | if (++attempts < 6) /* arbitrary limit */ |
| 1342 | goto repeat; |
| 1343 | return -EBUSY; |
| 1344 | } |
| 1345 | |
| 1346 | return 0; |
| 1347 | } |
| 1348 | |
| 1349 | void cmp_break_pp_connection(struct firedtv *fdtv, int plug, int channel) |
| 1350 | { |
| 1351 | __be32 old_opcr, opcr; |
| 1352 | u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); |
| 1353 | int attempts = 0; |
| 1354 | |
| 1355 | if (cmp_read(fdtv, &opcr, opcr_address, 4) < 0) |
| 1356 | return; |
| 1357 | |
| 1358 | repeat: |
| 1359 | if (!get_opcr_online(opcr) || !get_opcr_p2p_connections(opcr) || |
| 1360 | get_opcr_channel(opcr) != channel) { |
| 1361 | dev_err(fdtv->device, "CMP: no connection to break\n"); |
| 1362 | return; |
| 1363 | } |
| 1364 | |
| 1365 | old_opcr = opcr; |
| 1366 | set_opcr_p2p_connections(&opcr, get_opcr_p2p_connections(opcr) - 1); |
| 1367 | |
| 1368 | if (cmp_lock(fdtv, &opcr, opcr_address, old_opcr) < 0) |
| 1369 | return; |
| 1370 | |
| 1371 | if (old_opcr != opcr) { |
| 1372 | /* |
| 1373 | * FIXME: if old_opcr.P2P_Connections == 1, i.e. we were last |
| 1374 | * owner, deallocate isochronous channel and bandwidth at IRM |
| 1375 | * if (...) |
| 1376 | * fdtv->backend->dealloc_resources(fdtv, channel, bw); |
| 1377 | */ |
| 1378 | |
| 1379 | if (++attempts < 6) /* arbitrary limit */ |
| 1380 | goto repeat; |
| 1381 | } |
| 1382 | } |