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1// SPDX-License-Identifier: GPL-2.0-only2/* DVB USB framework compliant Linux driver for the Opera1 DVB-S Card3*4* Copyright (C) 2006 Mario Hlawitschka (dh1pa@amsat.org)5* Copyright (C) 2006 Marco Gittler (g.marco@freenet.de)6*7* see Documentation/driver-api/media/drivers/dvb-usb.rst for more information8*/9 10#define DVB_USB_LOG_PREFIX "opera"11 12#include "dvb-usb.h"13#include "stv0299.h"14 15#define OPERA_READ_MSG 016#define OPERA_WRITE_MSG 117#define OPERA_I2C_TUNER 0xd118 19#define READ_FX2_REG_REQ 0xba20#define READ_MAC_ADDR 0x0821#define OPERA_WRITE_FX2 0xbb22#define OPERA_TUNER_REQ 0xb123#define REG_1F_SYMBOLRATE_BYTE0 0x1f24#define REG_20_SYMBOLRATE_BYTE1 0x2025#define REG_21_SYMBOLRATE_BYTE2 0x2126 27#define ADDR_B600_VOLTAGE_13V (0x02)28#define ADDR_B601_VOLTAGE_18V (0x03)29#define ADDR_B1A6_STREAM_CTRL (0x04)30#define ADDR_B880_READ_REMOTE (0x05)31 32struct opera1_state {33 u32 last_key_pressed;34};35 36static int dvb_usb_opera1_debug;37module_param_named(debug, dvb_usb_opera1_debug, int, 0644);38MODULE_PARM_DESC(debug,39 "set debugging level (1=info,xfer=2,pll=4,ts=8,err=16,rc=32,fw=64 (or-able))."40 DVB_USB_DEBUG_STATUS);41 42DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);43 44 45static int opera1_xilinx_rw(struct usb_device *dev, u8 request, u16 value,46 u8 * data, u16 len, int flags)47{48 int ret;49 u8 tmp;50 u8 *buf;51 unsigned int pipe = (flags == OPERA_READ_MSG) ?52 usb_rcvctrlpipe(dev,0) : usb_sndctrlpipe(dev, 0);53 u8 request_type = (flags == OPERA_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;54 55 buf = kmalloc(len, GFP_KERNEL);56 if (!buf)57 return -ENOMEM;58 59 if (flags == OPERA_WRITE_MSG)60 memcpy(buf, data, len);61 ret = usb_control_msg(dev, pipe, request,62 request_type | USB_TYPE_VENDOR, value, 0x0,63 buf, len, 2000);64 65 if (request == OPERA_TUNER_REQ) {66 tmp = buf[0];67 if (usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),68 OPERA_TUNER_REQ, USB_DIR_IN | USB_TYPE_VENDOR,69 0x01, 0x0, buf, 1, 2000) < 1 || buf[0] != 0x08) {70 ret = 0;71 goto out;72 }73 buf[0] = tmp;74 }75 if (flags == OPERA_READ_MSG)76 memcpy(data, buf, len);77out:78 kfree(buf);79 return ret;80}81 82/* I2C */83 84static int opera1_usb_i2c_msgxfer(struct dvb_usb_device *dev, u16 addr,85 u8 * buf, u16 len)86{87 int ret = 0;88 u8 request;89 u16 value;90 91 if (!dev) {92 info("no usb_device");93 return -EINVAL;94 }95 if (mutex_lock_interruptible(&dev->usb_mutex) < 0)96 return -EAGAIN;97 98 switch (addr>>1){99 case ADDR_B600_VOLTAGE_13V:100 request=0xb6;101 value=0x00;102 break;103 case ADDR_B601_VOLTAGE_18V:104 request=0xb6;105 value=0x01;106 break;107 case ADDR_B1A6_STREAM_CTRL:108 request=0xb1;109 value=0xa6;110 break;111 case ADDR_B880_READ_REMOTE:112 request=0xb8;113 value=0x80;114 break;115 default:116 request=0xb1;117 value=addr;118 }119 ret = opera1_xilinx_rw(dev->udev, request,120 value, buf, len,121 addr&0x01?OPERA_READ_MSG:OPERA_WRITE_MSG);122 123 mutex_unlock(&dev->usb_mutex);124 return ret;125}126 127static int opera1_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],128 int num)129{130 struct dvb_usb_device *d = i2c_get_adapdata(adap);131 int i = 0, tmp = 0;132 133 if (!d)134 return -ENODEV;135 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)136 return -EAGAIN;137 138 for (i = 0; i < num; i++) {139 if ((tmp = opera1_usb_i2c_msgxfer(d,140 (msg[i].addr<<1)|(msg[i].flags&I2C_M_RD?0x01:0),141 msg[i].buf,142 msg[i].len143 )) != msg[i].len) {144 break;145 }146 if (dvb_usb_opera1_debug & 0x10)147 info("sending i2c message %d %d", tmp, msg[i].len);148 }149 mutex_unlock(&d->i2c_mutex);150 return num;151}152 153static u32 opera1_i2c_func(struct i2c_adapter *adapter)154{155 return I2C_FUNC_I2C;156}157 158static struct i2c_algorithm opera1_i2c_algo = {159 .master_xfer = opera1_i2c_xfer,160 .functionality = opera1_i2c_func,161};162 163static int opera1_set_voltage(struct dvb_frontend *fe,164 enum fe_sec_voltage voltage)165{166 static u8 command_13v[1]={0x00};167 static u8 command_18v[1]={0x01};168 struct i2c_msg msg[] = {169 {.addr = ADDR_B600_VOLTAGE_13V,.flags = 0,.buf = command_13v,.len = 1},170 };171 struct dvb_usb_adapter *udev_adap = fe->dvb->priv;172 if (voltage == SEC_VOLTAGE_18) {173 msg[0].addr = ADDR_B601_VOLTAGE_18V;174 msg[0].buf = command_18v;175 }176 i2c_transfer(&udev_adap->dev->i2c_adap, msg, 1);177 return 0;178}179 180static int opera1_stv0299_set_symbol_rate(struct dvb_frontend *fe, u32 srate,181 u32 ratio)182{183 stv0299_writereg(fe, 0x13, 0x98);184 stv0299_writereg(fe, 0x14, 0x95);185 stv0299_writereg(fe, REG_1F_SYMBOLRATE_BYTE0, (ratio >> 16) & 0xff);186 stv0299_writereg(fe, REG_20_SYMBOLRATE_BYTE1, (ratio >> 8) & 0xff);187 stv0299_writereg(fe, REG_21_SYMBOLRATE_BYTE2, (ratio) & 0xf0);188 return 0;189 190}191static u8 opera1_inittab[] = {192 0x00, 0xa1,193 0x01, 0x15,194 0x02, 0x30,195 0x03, 0x00,196 0x04, 0x7d,197 0x05, 0x05,198 0x06, 0x02,199 0x07, 0x00,200 0x0b, 0x00,201 0x0c, 0x01,202 0x0d, 0x81,203 0x0e, 0x44,204 0x0f, 0x19,205 0x10, 0x3f,206 0x11, 0x84,207 0x12, 0xda,208 0x13, 0x98,209 0x14, 0x95,210 0x15, 0xc9,211 0x16, 0xeb,212 0x17, 0x00,213 0x18, 0x19,214 0x19, 0x8b,215 0x1a, 0x00,216 0x1b, 0x82,217 0x1c, 0x7f,218 0x1d, 0x00,219 0x1e, 0x00,220 REG_1F_SYMBOLRATE_BYTE0, 0x06,221 REG_20_SYMBOLRATE_BYTE1, 0x50,222 REG_21_SYMBOLRATE_BYTE2, 0x10,223 0x22, 0x00,224 0x23, 0x00,225 0x24, 0x37,226 0x25, 0xbc,227 0x26, 0x00,228 0x27, 0x00,229 0x28, 0x00,230 0x29, 0x1e,231 0x2a, 0x14,232 0x2b, 0x1f,233 0x2c, 0x09,234 0x2d, 0x0a,235 0x2e, 0x00,236 0x2f, 0x00,237 0x30, 0x00,238 0x31, 0x1f,239 0x32, 0x19,240 0x33, 0xfc,241 0x34, 0x13,242 0xff, 0xff,243};244 245static struct stv0299_config opera1_stv0299_config = {246 .demod_address = 0xd0>>1,247 .min_delay_ms = 100,248 .mclk = 88000000UL,249 .invert = 1,250 .skip_reinit = 0,251 .lock_output = STV0299_LOCKOUTPUT_0,252 .volt13_op0_op1 = STV0299_VOLT13_OP0,253 .inittab = opera1_inittab,254 .set_symbol_rate = opera1_stv0299_set_symbol_rate,255};256 257static int opera1_frontend_attach(struct dvb_usb_adapter *d)258{259 d->fe_adap[0].fe = dvb_attach(stv0299_attach, &opera1_stv0299_config,260 &d->dev->i2c_adap);261 if ((d->fe_adap[0].fe) != NULL) {262 d->fe_adap[0].fe->ops.set_voltage = opera1_set_voltage;263 return 0;264 }265 info("not attached stv0299");266 return -EIO;267}268 269static int opera1_tuner_attach(struct dvb_usb_adapter *adap)270{271 dvb_attach(272 dvb_pll_attach, adap->fe_adap[0].fe, 0xc0>>1,273 &adap->dev->i2c_adap, DVB_PLL_OPERA1274 );275 return 0;276}277 278static int opera1_power_ctrl(struct dvb_usb_device *d, int onoff)279{280 u8 val = onoff ? 0x01 : 0x00;281 282 if (dvb_usb_opera1_debug)283 info("power %s", onoff ? "on" : "off");284 return opera1_xilinx_rw(d->udev, 0xb7, val,285 &val, 1, OPERA_WRITE_MSG);286}287 288static int opera1_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)289{290 static u8 buf_start[2] = { 0xff, 0x03 };291 static u8 buf_stop[2] = { 0xff, 0x00 };292 struct i2c_msg start_tuner[] = {293 {.addr = ADDR_B1A6_STREAM_CTRL,.buf = onoff ? buf_start : buf_stop,.len = 2},294 };295 if (dvb_usb_opera1_debug)296 info("streaming %s", onoff ? "on" : "off");297 i2c_transfer(&adap->dev->i2c_adap, start_tuner, 1);298 return 0;299}300 301static int opera1_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,302 int onoff)303{304 u8 b_pid[3];305 struct i2c_msg msg[] = {306 {.addr = ADDR_B1A6_STREAM_CTRL,.buf = b_pid,.len = 3},307 };308 if (dvb_usb_opera1_debug)309 info("pidfilter index: %d pid: %d %s", index, pid,310 onoff ? "on" : "off");311 b_pid[0] = (2 * index) + 4;312 b_pid[1] = onoff ? (pid & 0xff) : (0x00);313 b_pid[2] = onoff ? ((pid >> 8) & 0xff) : (0x00);314 i2c_transfer(&adap->dev->i2c_adap, msg, 1);315 return 0;316}317 318static int opera1_pid_filter_control(struct dvb_usb_adapter *adap, int onoff)319{320 int u = 0x04;321 u8 b_pid[3];322 struct i2c_msg msg[] = {323 {.addr = ADDR_B1A6_STREAM_CTRL,.buf = b_pid,.len = 3},324 };325 if (dvb_usb_opera1_debug)326 info("%s hw-pidfilter", onoff ? "enable" : "disable");327 for (; u < 0x7e; u += 2) {328 b_pid[0] = u;329 b_pid[1] = 0;330 b_pid[2] = 0x80;331 i2c_transfer(&adap->dev->i2c_adap, msg, 1);332 }333 return 0;334}335 336static struct rc_map_table rc_map_opera1_table[] = {337 {0x5fa0, KEY_1},338 {0x51af, KEY_2},339 {0x5da2, KEY_3},340 {0x41be, KEY_4},341 {0x0bf5, KEY_5},342 {0x43bd, KEY_6},343 {0x47b8, KEY_7},344 {0x49b6, KEY_8},345 {0x05fa, KEY_9},346 {0x45ba, KEY_0},347 {0x09f6, KEY_CHANNELUP}, /*chanup */348 {0x1be5, KEY_CHANNELDOWN}, /*chandown */349 {0x5da3, KEY_VOLUMEDOWN}, /*voldown */350 {0x5fa1, KEY_VOLUMEUP}, /*volup */351 {0x07f8, KEY_SPACE}, /*tab */352 {0x1fe1, KEY_OK}, /*play ok */353 {0x1be4, KEY_ZOOM}, /*zoom */354 {0x59a6, KEY_MUTE}, /*mute */355 {0x5ba5, KEY_RADIO}, /*tv/f */356 {0x19e7, KEY_RECORD}, /*rec */357 {0x01fe, KEY_STOP}, /*Stop */358 {0x03fd, KEY_PAUSE}, /*pause */359 {0x03fc, KEY_SCREEN}, /*<- -> */360 {0x07f9, KEY_CAMERA}, /*capture */361 {0x47b9, KEY_ESC}, /*exit */362 {0x43bc, KEY_POWER2}, /*power */363};364 365static int opera1_rc_query(struct dvb_usb_device *dev, u32 * event, int *state)366{367 struct opera1_state *opst = dev->priv;368 u8 rcbuffer[32];369 const u16 startmarker1 = 0x10ed;370 const u16 startmarker2 = 0x11ec;371 struct i2c_msg read_remote[] = {372 {.addr = ADDR_B880_READ_REMOTE,.buf = rcbuffer,.flags = I2C_M_RD,.len = 32},373 };374 int i = 0;375 u32 send_key = 0;376 377 if (i2c_transfer(&dev->i2c_adap, read_remote, 1) == 1) {378 for (i = 0; i < 32; i++) {379 if (rcbuffer[i])380 send_key |= 1;381 if (i < 31)382 send_key = send_key << 1;383 }384 if (send_key & 0x8000)385 send_key = (send_key << 1) | (send_key >> 15 & 0x01);386 387 if (send_key == 0xffff && opst->last_key_pressed != 0) {388 *state = REMOTE_KEY_REPEAT;389 *event = opst->last_key_pressed;390 return 0;391 }392 for (; send_key != 0;) {393 if (send_key >> 16 == startmarker2) {394 break;395 } else if (send_key >> 16 == startmarker1) {396 send_key =397 (send_key & 0xfffeffff) | (startmarker1 << 16);398 break;399 } else400 send_key >>= 1;401 }402 403 if (send_key == 0)404 return 0;405 406 send_key = (send_key & 0xffff) | 0x0100;407 408 for (i = 0; i < ARRAY_SIZE(rc_map_opera1_table); i++) {409 if (rc5_scan(&rc_map_opera1_table[i]) == (send_key & 0xffff)) {410 *state = REMOTE_KEY_PRESSED;411 *event = rc_map_opera1_table[i].keycode;412 opst->last_key_pressed =413 rc_map_opera1_table[i].keycode;414 break;415 }416 opst->last_key_pressed = 0;417 }418 } else419 *state = REMOTE_NO_KEY_PRESSED;420 return 0;421}422 423enum {424 CYPRESS_OPERA1_COLD,425 OPERA1_WARM,426};427 428static struct usb_device_id opera1_table[] = {429 DVB_USB_DEV(CYPRESS, CYPRESS_OPERA1_COLD),430 DVB_USB_DEV(OPERA1, OPERA1_WARM),431 { }432};433 434MODULE_DEVICE_TABLE(usb, opera1_table);435 436static int opera1_read_mac_address(struct dvb_usb_device *d, u8 mac[6])437{438 int ret;439 u8 command[] = { READ_MAC_ADDR };440 ret = opera1_xilinx_rw(d->udev, 0xb1, 0xa0, command, 1, OPERA_WRITE_MSG);441 if (ret)442 return ret;443 ret = opera1_xilinx_rw(d->udev, 0xb1, 0xa1, mac, 6, OPERA_READ_MSG);444 if (ret)445 return ret;446 return 0;447}448static int opera1_xilinx_load_firmware(struct usb_device *dev,449 const char *filename)450{451 const struct firmware *fw = NULL;452 u8 *b, *p;453 int ret = 0, i,fpgasize=40;454 u8 testval;455 info("start downloading fpga firmware %s",filename);456 457 if ((ret = request_firmware(&fw, filename, &dev->dev)) != 0) {458 err("did not find the firmware file '%s'. You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware",459 filename);460 return ret;461 } else {462 p = kmalloc(fw->size, GFP_KERNEL);463 opera1_xilinx_rw(dev, 0xbc, 0x00, &testval, 1, OPERA_READ_MSG);464 if (p != NULL && testval != 0x67) {465 466 u8 reset = 0, fpga_command = 0;467 memcpy(p, fw->data, fw->size);468 /* clear fpga ? */469 opera1_xilinx_rw(dev, 0xbc, 0xaa, &fpga_command, 1,470 OPERA_WRITE_MSG);471 for (i = 0; i < fw->size;) {472 if ( (fw->size - i) <fpgasize){473 fpgasize=fw->size-i;474 }475 b = (u8 *) p + i;476 if (opera1_xilinx_rw477 (dev, OPERA_WRITE_FX2, 0x0, b , fpgasize,478 OPERA_WRITE_MSG) != fpgasize479 ) {480 err("error while transferring firmware");481 ret = -EINVAL;482 break;483 }484 i = i + fpgasize;485 }486 /* restart the CPU */487 if (ret || opera1_xilinx_rw488 (dev, 0xa0, 0xe600, &reset, 1,489 OPERA_WRITE_MSG) != 1) {490 err("could not restart the USB controller CPU.");491 ret = -EINVAL;492 }493 }494 }495 kfree(p);496 release_firmware(fw);497 return ret;498}499 500static struct dvb_usb_device_properties opera1_properties = {501 .caps = DVB_USB_IS_AN_I2C_ADAPTER,502 .usb_ctrl = CYPRESS_FX2,503 .firmware = "dvb-usb-opera-01.fw",504 .size_of_priv = sizeof(struct opera1_state),505 506 .power_ctrl = opera1_power_ctrl,507 .i2c_algo = &opera1_i2c_algo,508 509 .rc.legacy = {510 .rc_map_table = rc_map_opera1_table,511 .rc_map_size = ARRAY_SIZE(rc_map_opera1_table),512 .rc_interval = 200,513 .rc_query = opera1_rc_query,514 },515 .read_mac_address = opera1_read_mac_address,516 .generic_bulk_ctrl_endpoint = 0x00,517 /* parameter for the MPEG2-data transfer */518 .num_adapters = 1,519 .adapter = {520 {521 .num_frontends = 1,522 .fe = {{523 .frontend_attach = opera1_frontend_attach,524 .streaming_ctrl = opera1_streaming_ctrl,525 .tuner_attach = opera1_tuner_attach,526 .caps =527 DVB_USB_ADAP_HAS_PID_FILTER |528 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,529 .pid_filter = opera1_pid_filter,530 .pid_filter_ctrl = opera1_pid_filter_control,531 .pid_filter_count = 252,532 .stream = {533 .type = USB_BULK,534 .count = 10,535 .endpoint = 0x82,536 .u = {537 .bulk = {538 .buffersize = 4096,539 }540 }541 },542 }},543 }544 },545 .num_device_descs = 1,546 .devices = {547 {"Opera1 DVB-S USB2.0",548 {&opera1_table[CYPRESS_OPERA1_COLD], NULL},549 {&opera1_table[OPERA1_WARM], NULL},550 },551 }552};553 554static int opera1_probe(struct usb_interface *intf,555 const struct usb_device_id *id)556{557 struct usb_device *udev = interface_to_usbdev(intf);558 559 if (le16_to_cpu(udev->descriptor.idProduct) == USB_PID_OPERA1_WARM &&560 le16_to_cpu(udev->descriptor.idVendor) == USB_VID_OPERA1 &&561 opera1_xilinx_load_firmware(udev, "dvb-usb-opera1-fpga-01.fw") != 0562 ) {563 return -EINVAL;564 }565 566 if (0 != dvb_usb_device_init(intf, &opera1_properties,567 THIS_MODULE, NULL, adapter_nr))568 return -EINVAL;569 return 0;570}571 572static struct usb_driver opera1_driver = {573 .name = "opera1",574 .probe = opera1_probe,575 .disconnect = dvb_usb_device_exit,576 .id_table = opera1_table,577};578 579module_usb_driver(opera1_driver);580 581MODULE_AUTHOR("Mario Hlawitschka (c) dh1pa@amsat.org");582MODULE_AUTHOR("Marco Gittler (c) g.marco@freenet.de");583MODULE_DESCRIPTION("Driver for Opera1 DVB-S device");584MODULE_VERSION("0.1");585MODULE_LICENSE("GPL");586