// SPDX-License-Identifier: GPL-2.0-only /* DVB USB compliant linux driver for Technotrend DVB USB boxes and clones * (e.g. Pinnacle 400e DVB-S USB2.0). * * The Pinnacle 400e uses the same protocol as the Technotrend USB1.1 boxes. * * TDA8263 + TDA10086 * * I2C addresses: * 0x08 - LNBP21PD - LNB power supply * 0x0e - TDA10086 - Demodulator * 0x50 - FX2 eeprom * 0x60 - TDA8263 - Tuner * 0x78 ??? * * Copyright (c) 2002 Holger Waechtler <holger@convergence.de> * Copyright (c) 2003 Felix Domke <tmbinc@elitedvb.net> * Copyright (C) 2005-6 Patrick Boettcher <pb@linuxtv.org> * * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information */ #define DVB_USB_LOG_PREFIX "ttusb2" #include "dvb-usb.h" #include "ttusb2.h" #include "tda826x.h" #include "tda10086.h" #include "tda1002x.h" #include "tda10048.h" #include "tda827x.h" #include "lnbp21.h" /* CA */ #include <media/dvb_ca_en50221.h> /* debug */ static int dvb_usb_ttusb2_debug; #define deb_info(args...) dprintk(dvb_usb_ttusb2_debug,0x01,args) module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS); static int dvb_usb_ttusb2_debug_ci; module_param_named(debug_ci,dvb_usb_ttusb2_debug_ci, int, 0644); MODULE_PARM_DESC(debug_ci, "set debugging ci." DVB_USB_DEBUG_STATUS); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); #define ci_dbg(format, arg...) \ do { \ if (dvb_usb_ttusb2_debug_ci) \ printk(KERN_DEBUG DVB_USB_LOG_PREFIX \ ": %s " format "\n" , __func__, ## arg); \ } while (0) enum { TT3650_CMD_CI_TEST = 0x40, TT3650_CMD_CI_RD_CTRL, TT3650_CMD_CI_WR_CTRL, TT3650_CMD_CI_RD_ATTR, TT3650_CMD_CI_WR_ATTR, TT3650_CMD_CI_RESET, TT3650_CMD_CI_SET_VIDEO_PORT }; struct ttusb2_state { struct dvb_ca_en50221 ca; struct mutex ca_mutex; u8 id; u16 last_rc_key; }; static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd, u8 *wbuf, int wlen, u8 *rbuf, int rlen) { struct ttusb2_state *st = d->priv; u8 *s, *r = NULL; int ret = 0; if (4 + rlen > 64) return -EIO; s = kzalloc(wlen+4, GFP_KERNEL); if (!s) return -ENOMEM; r = kzalloc(64, GFP_KERNEL); if (!r) { kfree(s); return -ENOMEM; } s[0] = 0xaa; s[1] = ++st->id; s[2] = cmd; s[3] = wlen; memcpy(&s[4],wbuf,wlen); ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0); if (ret != 0 || r[0] != 0x55 || r[1] != s[1] || r[2] != cmd || (rlen > 0 && r[3] != rlen)) { warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]); kfree(s); kfree(r); return -EIO; } if (rlen > 0) memcpy(rbuf, &r[4], rlen); kfree(s); kfree(r); return 0; } /* ci */ static int tt3650_ci_msg(struct dvb_usb_device *d, u8 cmd, u8 *data, unsigned int write_len, unsigned int read_len) { int ret; u8 rx[60];/* (64 -4) */ ret = ttusb2_msg(d, cmd, data, write_len, rx, read_len); if (!ret) memcpy(data, rx, read_len); return ret; } static int tt3650_ci_msg_locked(struct dvb_ca_en50221 *ca, u8 cmd, u8 *data, unsigned int write_len, unsigned int read_len) { struct dvb_usb_device *d = ca->data; struct ttusb2_state *state = d->priv; int ret; mutex_lock(&state->ca_mutex); ret = tt3650_ci_msg(d, cmd, data, write_len, read_len); mutex_unlock(&state->ca_mutex); return ret; } static int tt3650_ci_read_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address) { u8 buf[3]; int ret = 0; if (slot) return -EINVAL; buf[0] = (address >> 8) & 0x0F; buf[1] = address; ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_RD_ATTR, buf, 2, 3); ci_dbg("%04x -> %d 0x%02x", address, ret, buf[2]); if (ret < 0) return ret; return buf[2]; } static int tt3650_ci_write_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address, u8 value) { u8 buf[3]; ci_dbg("%d 0x%04x 0x%02x", slot, address, value); if (slot) return -EINVAL; buf[0] = (address >> 8) & 0x0F; buf[1] = address; buf[2] = value; return tt3650_ci_msg_locked(ca, TT3650_CMD_CI_WR_ATTR, buf, 3, 3); } static int tt3650_ci_read_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address) { u8 buf[2]; int ret; if (slot) return -EINVAL; buf[0] = address & 3; ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_RD_CTRL, buf, 1, 2); ci_dbg("0x%02x -> %d 0x%02x", address, ret, buf[1]); if (ret < 0) return ret; return buf[1]; } static int tt3650_ci_write_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address, u8 value) { u8 buf[2]; ci_dbg("%d 0x%02x 0x%02x", slot, address, value); if (slot) return -EINVAL; buf[0] = address; buf[1] = value; return tt3650_ci_msg_locked(ca, TT3650_CMD_CI_WR_CTRL, buf, 2, 2); } static int tt3650_ci_set_video_port(struct dvb_ca_en50221 *ca, int slot, int enable) { u8 buf[1]; int ret; ci_dbg("%d %d", slot, enable); if (slot) return -EINVAL; buf[0] = enable; ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_SET_VIDEO_PORT, buf, 1, 1); if (ret < 0) return ret; if (enable != buf[0]) { err("CI not %sabled.", enable ? "en" : "dis"); return -EIO; } return 0; } static int tt3650_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot) { return tt3650_ci_set_video_port(ca, slot, 0); } static int tt3650_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot) { return tt3650_ci_set_video_port(ca, slot, 1); } static int tt3650_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot) { struct dvb_usb_device *d = ca->data; struct ttusb2_state *state = d->priv; u8 buf[1]; int ret; ci_dbg("%d", slot); if (slot) return -EINVAL; buf[0] = 0; mutex_lock(&state->ca_mutex); ret = tt3650_ci_msg(d, TT3650_CMD_CI_RESET, buf, 1, 1); if (ret) goto failed; msleep(500); buf[0] = 1; ret = tt3650_ci_msg(d, TT3650_CMD_CI_RESET, buf, 1, 1); if (ret) goto failed; msleep(500); buf[0] = 0; /* FTA */ ret = tt3650_ci_msg(d, TT3650_CMD_CI_SET_VIDEO_PORT, buf, 1, 1); msleep(1100); failed: mutex_unlock(&state->ca_mutex); return ret; } static int tt3650_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open) { u8 buf[1]; int ret; if (slot) return -EINVAL; ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_TEST, buf, 0, 1); if (ret) return ret; if (1 == buf[0]) { return DVB_CA_EN50221_POLL_CAM_PRESENT | DVB_CA_EN50221_POLL_CAM_READY; } return 0; } static void tt3650_ci_uninit(struct dvb_usb_device *d) { struct ttusb2_state *state; ci_dbg(""); if (NULL == d) return; state = d->priv; if (NULL == state) return; if (NULL == state->ca.data) return; dvb_ca_en50221_release(&state->ca); memset(&state->ca, 0, sizeof(state->ca)); } static int tt3650_ci_init(struct dvb_usb_adapter *a) { struct dvb_usb_device *d = a->dev; struct ttusb2_state *state = d->priv; int ret; ci_dbg(""); mutex_init(&state->ca_mutex); state->ca.owner = THIS_MODULE; state->ca.read_attribute_mem = tt3650_ci_read_attribute_mem; state->ca.write_attribute_mem = tt3650_ci_write_attribute_mem; state->ca.read_cam_control = tt3650_ci_read_cam_control; state->ca.write_cam_control = tt3650_ci_write_cam_control; state->ca.slot_reset = tt3650_ci_slot_reset; state->ca.slot_shutdown = tt3650_ci_slot_shutdown; state->ca.slot_ts_enable = tt3650_ci_slot_ts_enable; state->ca.poll_slot_status = tt3650_ci_poll_slot_status; state->ca.data = d; ret = dvb_ca_en50221_init(&a->dvb_adap, &state->ca, /* flags */ 0, /* n_slots */ 1); if (ret) { err("Cannot initialize CI: Error %d.", ret); memset(&state->ca, 0, sizeof(state->ca)); return ret; } info("CI initialized."); return 0; } static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); static u8 obuf[60], ibuf[60]; int i, write_read, read; if (mutex_lock_interruptible(&d->i2c_mutex) < 0) return -EAGAIN; if (num > 2) warn("more than 2 i2c messages at a time is not handled yet. TODO."); for (i = 0; i < num; i++) { write_read = i+1 < num && (msg[i+1].flags & I2C_M_RD); read = msg[i].flags & I2C_M_RD; if (3 + msg[i].len > sizeof(obuf)) { err("i2c wr len=%d too high", msg[i].len); break; } if (write_read) { if (3 + msg[i+1].len > sizeof(ibuf)) { err("i2c rd len=%d too high", msg[i+1].len); break; } } else if (read) { if (3 + msg[i].len > sizeof(ibuf)) { err("i2c rd len=%d too high", msg[i].len); break; } } obuf[0] = (msg[i].addr << 1) | (write_read | read); if (read) obuf[1] = 0; else obuf[1] = msg[i].len; /* read request */ if (write_read) obuf[2] = msg[i+1].len; else if (read) obuf[2] = msg[i].len; else obuf[2] = 0; memcpy(&obuf[3], msg[i].buf, msg[i].len); if (ttusb2_msg(d, CMD_I2C_XFER, obuf, obuf[1]+3, ibuf, obuf[2] + 3) < 0) { err("i2c transfer failed."); break; } if (write_read) { memcpy(msg[i+1].buf, &ibuf[3], msg[i+1].len); i++; } else if (read) memcpy(msg[i].buf, &ibuf[3], msg[i].len); } mutex_unlock(&d->i2c_mutex); return i; } static u32 ttusb2_i2c_func(struct i2c_adapter *adapter) { return I2C_FUNC_I2C; } static struct i2c_algorithm ttusb2_i2c_algo = { .master_xfer = ttusb2_i2c_xfer, .functionality = ttusb2_i2c_func, }; /* command to poll IR receiver (copied from pctv452e.c) */ #define CMD_GET_IR_CODE 0x1b /* IR */ static int tt3650_rc_query(struct dvb_usb_device *d) { int ret; u8 rx[9]; /* A CMD_GET_IR_CODE reply is 9 bytes long */ struct ttusb2_state *st = d->priv; ret = ttusb2_msg(d, CMD_GET_IR_CODE, NULL, 0, rx, sizeof(rx)); if (ret != 0) return ret; if (rx[8] & 0x01) { /* got a "press" event */ st->last_rc_key = RC_SCANCODE_RC5(rx[3], rx[2]); deb_info("%s: cmd=0x%02x sys=0x%02x\n", __func__, rx[2], rx[3]); rc_keydown(d->rc_dev, RC_PROTO_RC5, st->last_rc_key, rx[1]); } else if (st->last_rc_key) { rc_keyup(d->rc_dev); st->last_rc_key = 0; } return 0; } /* Callbacks for DVB USB */ static int ttusb2_identify_state(struct usb_device *udev, const struct dvb_usb_device_properties *props, const struct dvb_usb_device_description **desc, int *cold) { *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0; return 0; } static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff) { u8 b = onoff; ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0); return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0); } static struct tda10086_config tda10086_config = { .demod_address = 0x0e, .invert = 0, .diseqc_tone = 1, .xtal_freq = TDA10086_XTAL_16M, }; static struct tda10023_config tda10023_config = { .demod_address = 0x0c, .invert = 0, .xtal = 16000000, .pll_m = 11, .pll_p = 3, .pll_n = 1, .deltaf = 0xa511, }; static struct tda10048_config tda10048_config = { .demod_address = 0x10 >> 1, .output_mode = TDA10048_PARALLEL_OUTPUT, .inversion = TDA10048_INVERSION_ON, .dtv6_if_freq_khz = TDA10048_IF_4000, .dtv7_if_freq_khz = TDA10048_IF_4500, .dtv8_if_freq_khz = TDA10048_IF_5000, .clk_freq_khz = TDA10048_CLK_16000, .no_firmware = 1, .set_pll = true , .pll_m = 5, .pll_n = 3, .pll_p = 0, }; static struct tda827x_config tda827x_config = { .config = 0, }; static int ttusb2_frontend_tda10086_attach(struct dvb_usb_adapter *adap) { if (usb_set_interface(adap->dev->udev,0,3) < 0) err("set interface to alts=3 failed"); if ((adap->fe_adap[0].fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) { deb_info("TDA10086 attach failed\n"); return -ENODEV; } return 0; } static int ttusb2_ct3650_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) { struct dvb_usb_adapter *adap = fe->dvb->priv; return adap->fe_adap[0].fe->ops.i2c_gate_ctrl(adap->fe_adap[0].fe, enable); } static int ttusb2_frontend_tda10023_attach(struct dvb_usb_adapter *adap) { if (usb_set_interface(adap->dev->udev, 0, 3) < 0) err("set interface to alts=3 failed"); if (adap->fe_adap[0].fe == NULL) { /* FE 0 DVB-C */ adap->fe_adap[0].fe = dvb_attach(tda10023_attach, &tda10023_config, &adap->dev->i2c_adap, 0x48); if (adap->fe_adap[0].fe == NULL) { deb_info("TDA10023 attach failed\n"); return -ENODEV; } tt3650_ci_init(adap); } else { adap->fe_adap[1].fe = dvb_attach(tda10048_attach, &tda10048_config, &adap->dev->i2c_adap); if (adap->fe_adap[1].fe == NULL) { deb_info("TDA10048 attach failed\n"); return -ENODEV; } /* tuner is behind TDA10023 I2C-gate */ adap->fe_adap[1].fe->ops.i2c_gate_ctrl = ttusb2_ct3650_i2c_gate_ctrl; } return 0; } static int ttusb2_tuner_tda827x_attach(struct dvb_usb_adapter *adap) { struct dvb_frontend *fe; /* MFE: select correct FE to attach tuner since that's called twice */ if (adap->fe_adap[1].fe == NULL) fe = adap->fe_adap[0].fe; else fe = adap->fe_adap[1].fe; /* attach tuner */ if (dvb_attach(tda827x_attach, fe, 0x61, &adap->dev->i2c_adap, &tda827x_config) == NULL) { printk(KERN_ERR "%s: No tda827x found!\n", __func__); return -ENODEV; } return 0; } static int ttusb2_tuner_tda826x_attach(struct dvb_usb_adapter *adap) { if (dvb_attach(tda826x_attach, adap->fe_adap[0].fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) { deb_info("TDA8263 attach failed\n"); return -ENODEV; } if (dvb_attach(lnbp21_attach, adap->fe_adap[0].fe, &adap->dev->i2c_adap, 0, 0) == NULL) { deb_info("LNBP21 attach failed\n"); return -ENODEV; } return 0; } /* DVB USB Driver stuff */ static struct dvb_usb_device_properties ttusb2_properties; static struct dvb_usb_device_properties ttusb2_properties_s2400; static struct dvb_usb_device_properties ttusb2_properties_ct3650; static void ttusb2_usb_disconnect(struct usb_interface *intf) { struct dvb_usb_device *d = usb_get_intfdata(intf); tt3650_ci_uninit(d); dvb_usb_device_exit(intf); } static int ttusb2_probe(struct usb_interface *intf, const struct usb_device_id *id) { if (0 == dvb_usb_device_init(intf, &ttusb2_properties, THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &ttusb2_properties_s2400, THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &ttusb2_properties_ct3650, THIS_MODULE, NULL, adapter_nr)) return 0; return -ENODEV; } enum { PINNACLE_PCTV_400E, PINNACLE_PCTV_450E, TECHNOTREND_CONNECT_S2400, TECHNOTREND_CONNECT_CT3650, TECHNOTREND_CONNECT_S2400_8KEEPROM, }; static struct usb_device_id ttusb2_table[] = { DVB_USB_DEV(PINNACLE, PINNACLE_PCTV_400E), DVB_USB_DEV(PINNACLE, PINNACLE_PCTV_450E), DVB_USB_DEV(TECHNOTREND, TECHNOTREND_CONNECT_S2400), DVB_USB_DEV(TECHNOTREND, TECHNOTREND_CONNECT_CT3650), DVB_USB_DEV(TECHNOTREND, TECHNOTREND_CONNECT_S2400_8KEEPROM), { } }; MODULE_DEVICE_TABLE (usb, ttusb2_table); static struct dvb_usb_device_properties ttusb2_properties = { .caps = DVB_USB_IS_AN_I2C_ADAPTER, .usb_ctrl = CYPRESS_FX2, .firmware = "dvb-usb-pctv-400e-01.fw", .size_of_priv = sizeof(struct ttusb2_state), .num_adapters = 1, .adapter = { { .num_frontends = 1, .fe = {{ .streaming_ctrl = NULL, // ttusb2_streaming_ctrl, .frontend_attach = ttusb2_frontend_tda10086_attach, .tuner_attach = ttusb2_tuner_tda826x_attach, /* parameter for the MPEG2-data transfer */ .stream = { .type = USB_ISOC, .count = 5, .endpoint = 0x02, .u = { .isoc = { .framesperurb = 4, .framesize = 940, .interval = 1, } } } }}, } }, .power_ctrl = ttusb2_power_ctrl, .identify_state = ttusb2_identify_state, .i2c_algo = &ttusb2_i2c_algo, .generic_bulk_ctrl_endpoint = 0x01, .num_device_descs = 2, .devices = { { "Pinnacle 400e DVB-S USB2.0", { &ttusb2_table[PINNACLE_PCTV_400E], NULL }, { NULL }, }, { "Pinnacle 450e DVB-S USB2.0", { &ttusb2_table[PINNACLE_PCTV_450E], NULL }, { NULL }, }, } }; static struct dvb_usb_device_properties ttusb2_properties_s2400 = { .caps = DVB_USB_IS_AN_I2C_ADAPTER, .usb_ctrl = CYPRESS_FX2, .firmware = "dvb-usb-tt-s2400-01.fw", .size_of_priv = sizeof(struct ttusb2_state), .num_adapters = 1, .adapter = { { .num_frontends = 1, .fe = {{ .streaming_ctrl = NULL, .frontend_attach = ttusb2_frontend_tda10086_attach, .tuner_attach = ttusb2_tuner_tda826x_attach, /* parameter for the MPEG2-data transfer */ .stream = { .type = USB_ISOC, .count = 5, .endpoint = 0x02, .u = { .isoc = { .framesperurb = 4, .framesize = 940, .interval = 1, } } } }}, } }, .power_ctrl = ttusb2_power_ctrl, .identify_state = ttusb2_identify_state, .i2c_algo = &ttusb2_i2c_algo, .generic_bulk_ctrl_endpoint = 0x01, .num_device_descs = 2, .devices = { { "Technotrend TT-connect S-2400", { &ttusb2_table[TECHNOTREND_CONNECT_S2400], NULL }, { NULL }, }, { "Technotrend TT-connect S-2400 (8kB EEPROM)", { &ttusb2_table[TECHNOTREND_CONNECT_S2400_8KEEPROM], NULL }, { NULL }, }, } }; static struct dvb_usb_device_properties ttusb2_properties_ct3650 = { .caps = DVB_USB_IS_AN_I2C_ADAPTER, .usb_ctrl = CYPRESS_FX2, .size_of_priv = sizeof(struct ttusb2_state), .rc.core = { .rc_interval = 150, /* Less than IR_KEYPRESS_TIMEOUT */ .rc_codes = RC_MAP_TT_1500, .rc_query = tt3650_rc_query, .allowed_protos = RC_PROTO_BIT_RC5, }, .num_adapters = 1, .adapter = { { .num_frontends = 2, .fe = {{ .streaming_ctrl = NULL, .frontend_attach = ttusb2_frontend_tda10023_attach, .tuner_attach = ttusb2_tuner_tda827x_attach, /* parameter for the MPEG2-data transfer */ .stream = { .type = USB_ISOC, .count = 5, .endpoint = 0x02, .u = { .isoc = { .framesperurb = 4, .framesize = 940, .interval = 1, } } } }, { .streaming_ctrl = NULL, .frontend_attach = ttusb2_frontend_tda10023_attach, .tuner_attach = ttusb2_tuner_tda827x_attach, /* parameter for the MPEG2-data transfer */ .stream = { .type = USB_ISOC, .count = 5, .endpoint = 0x02, .u = { .isoc = { .framesperurb = 4, .framesize = 940, .interval = 1, } } } }}, }, }, .power_ctrl = ttusb2_power_ctrl, .identify_state = ttusb2_identify_state, .i2c_algo = &ttusb2_i2c_algo, .generic_bulk_ctrl_endpoint = 0x01, .num_device_descs = 1, .devices = { { "Technotrend TT-connect CT-3650", .warm_ids = { &ttusb2_table[TECHNOTREND_CONNECT_CT3650], NULL }, }, } }; static struct usb_driver ttusb2_driver = { .name = "dvb_usb_ttusb2", .probe = ttusb2_probe, .disconnect = ttusb2_usb_disconnect, .id_table = ttusb2_table, }; module_usb_driver(ttusb2_driver); MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>"); MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0"); MODULE_VERSION("1.0"); MODULE_LICENSE("GPL");