2 Frontend/Card driver for TwinHan DST Frontend
3 Copyright (C) 2003 Jamie Honan
4 Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <linux/kernel.h>
22 #include <linux/module.h>
23 #include <linux/init.h>
24 #include <linux/string.h>
25 #include <linux/slab.h>
26 #include <linux/vmalloc.h>
27 #include <linux/delay.h>
28 #include <asm/div64.h>
29 #include "dvb_frontend.h"
31 #include "dst_common.h"
33 static unsigned int verbose = 1;
34 module_param(verbose, int, 0644);
35 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
37 static unsigned int dst_addons;
38 module_param(dst_addons, int, 0644);
39 MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
42 #define ATTEMPT_TUNE 2
50 #define dprintk(x, y, z, format, arg...) do { \
52 if ((x > DST_ERROR) && (x > y)) \
53 printk(KERN_ERR "%s: " format "\n", __FUNCTION__ , ##arg); \
54 else if ((x > DST_NOTICE) && (x > y)) \
55 printk(KERN_NOTICE "%s: " format "\n", __FUNCTION__ , ##arg); \
56 else if ((x > DST_INFO) && (x > y)) \
57 printk(KERN_INFO "%s: " format "\n", __FUNCTION__ , ##arg); \
58 else if ((x > DST_DEBUG) && (x > y)) \
59 printk(KERN_DEBUG "%s: " format "\n", __FUNCTION__ , ##arg); \
62 printk(format, ##arg); \
67 static void dst_packsize(struct dst_state *state, int psize)
69 union dst_gpio_packet bits;
72 bt878_device_control(state->bt, DST_IG_TS, &bits);
75 int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb, u32 outhigh, int delay)
77 union dst_gpio_packet enb;
78 union dst_gpio_packet bits;
82 enb.enb.enable = enbb;
84 dprintk(verbose, DST_INFO, 1, "mask=[%04x], enbb=[%04x], outhigh=[%04x]", mask, enbb, outhigh);
85 if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
86 dprintk(verbose, DST_INFO, 1, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)", err, mask, enbb);
90 /* because complete disabling means no output, no need to do output packet */
95 bits.outp.mask = enbb;
96 bits.outp.highvals = outhigh;
97 if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
98 dprintk(verbose, DST_INFO, 1, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)", err, enbb, outhigh);
104 EXPORT_SYMBOL(dst_gpio_outb);
106 int dst_gpio_inb(struct dst_state *state, u8 *result)
108 union dst_gpio_packet rd_packet;
112 if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
113 dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb error (err == %i)\n", err);
116 *result = (u8) rd_packet.rd.value;
120 EXPORT_SYMBOL(dst_gpio_inb);
122 int rdc_reset_state(struct dst_state *state)
124 dprintk(verbose, DST_INFO, 1, "Resetting state machine");
125 if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
126 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
130 if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
131 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
138 EXPORT_SYMBOL(rdc_reset_state);
140 int rdc_8820_reset(struct dst_state *state)
142 dprintk(verbose, DST_DEBUG, 1, "Resetting DST");
143 if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
144 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
148 if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
149 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
155 EXPORT_SYMBOL(rdc_8820_reset);
157 int dst_pio_enable(struct dst_state *state)
159 if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
160 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
167 EXPORT_SYMBOL(dst_pio_enable);
169 int dst_pio_disable(struct dst_state *state)
171 if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
172 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
175 if (state->type_flags & DST_TYPE_HAS_FW_1)
180 EXPORT_SYMBOL(dst_pio_disable);
182 int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
187 for (i = 0; i < 200; i++) {
188 if (dst_gpio_inb(state, &reply) < 0) {
189 dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb ERROR !");
192 if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
193 dprintk(verbose, DST_INFO, 1, "dst wait ready after %d", i);
198 dprintk(verbose, DST_NOTICE, 1, "dst wait NOT ready after %d", i);
202 EXPORT_SYMBOL(dst_wait_dst_ready);
204 int dst_error_recovery(struct dst_state *state)
206 dprintk(verbose, DST_NOTICE, 1, "Trying to return from previous errors.");
207 dst_pio_disable(state);
209 dst_pio_enable(state);
214 EXPORT_SYMBOL(dst_error_recovery);
216 int dst_error_bailout(struct dst_state *state)
218 dprintk(verbose, DST_INFO, 1, "Trying to bailout from previous error.");
219 rdc_8820_reset(state);
220 dst_pio_disable(state);
225 EXPORT_SYMBOL(dst_error_bailout);
227 int dst_comm_init(struct dst_state *state)
229 dprintk(verbose, DST_INFO, 1, "Initializing DST.");
230 if ((dst_pio_enable(state)) < 0) {
231 dprintk(verbose, DST_ERROR, 1, "PIO Enable Failed");
234 if ((rdc_reset_state(state)) < 0) {
235 dprintk(verbose, DST_ERROR, 1, "RDC 8820 State RESET Failed.");
238 if (state->type_flags & DST_TYPE_HAS_FW_1)
245 EXPORT_SYMBOL(dst_comm_init);
247 int write_dst(struct dst_state *state, u8 *data, u8 len)
249 struct i2c_msg msg = {
250 .addr = state->config->demod_address,
259 dprintk(verbose, DST_NOTICE, 0, "writing [ ");
260 for (i = 0; i < len; i++)
261 dprintk(verbose, DST_NOTICE, 0, "%02x ", data[i]);
262 dprintk(verbose, DST_NOTICE, 0, "]\n");
264 for (cnt = 0; cnt < 2; cnt++) {
265 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
266 dprintk(verbose, DST_INFO, 1, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, data[0]);
267 dst_error_recovery(state);
273 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
274 dst_error_bailout(state);
281 EXPORT_SYMBOL(write_dst);
283 int read_dst(struct dst_state *state, u8 *ret, u8 len)
285 struct i2c_msg msg = {
286 .addr = state->config->demod_address,
295 for (cnt = 0; cnt < 2; cnt++) {
296 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
297 dprintk(verbose, DST_INFO, 1, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, ret[0]);
298 dst_error_recovery(state);
304 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
305 dst_error_bailout(state);
309 dprintk(verbose, DST_DEBUG, 1, "reply is 0x%x", ret[0]);
310 for (err = 1; err < len; err++)
311 dprintk(verbose, DST_DEBUG, 0, " 0x%x", ret[err]);
313 dprintk(verbose, DST_DEBUG, 0, "\n");
317 EXPORT_SYMBOL(read_dst);
319 static int dst_set_polarization(struct dst_state *state)
321 switch (state->voltage) {
322 case SEC_VOLTAGE_13: /* Vertical */
323 dprintk(verbose, DST_INFO, 1, "Polarization=[Vertical]");
324 state->tx_tuna[8] &= ~0x40;
326 case SEC_VOLTAGE_18: /* Horizontal */
327 dprintk(verbose, DST_INFO, 1, "Polarization=[Horizontal]");
328 state->tx_tuna[8] |= 0x40;
330 case SEC_VOLTAGE_OFF:
337 static int dst_set_freq(struct dst_state *state, u32 freq)
339 state->frequency = freq;
340 dprintk(verbose, DST_INFO, 1, "set Frequency %u", freq);
342 if (state->dst_type == DST_TYPE_IS_SAT) {
344 if (freq < 950 || freq > 2150)
346 state->tx_tuna[2] = (freq >> 8);
347 state->tx_tuna[3] = (u8) freq;
348 state->tx_tuna[4] = 0x01;
349 state->tx_tuna[8] &= ~0x04;
350 if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
352 state->tx_tuna[8] |= 0x04;
354 } else if (state->dst_type == DST_TYPE_IS_TERR) {
356 if (freq < 137000 || freq > 858000)
358 state->tx_tuna[2] = (freq >> 16) & 0xff;
359 state->tx_tuna[3] = (freq >> 8) & 0xff;
360 state->tx_tuna[4] = (u8) freq;
361 } else if (state->dst_type == DST_TYPE_IS_CABLE) {
363 state->tx_tuna[2] = (freq >> 16) & 0xff;
364 state->tx_tuna[3] = (freq >> 8) & 0xff;
365 state->tx_tuna[4] = (u8) freq;
372 static int dst_set_bandwidth(struct dst_state *state, fe_bandwidth_t bandwidth)
374 state->bandwidth = bandwidth;
376 if (state->dst_type != DST_TYPE_IS_TERR)
380 case BANDWIDTH_6_MHZ:
381 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
382 state->tx_tuna[7] = 0x06;
384 state->tx_tuna[6] = 0x06;
385 state->tx_tuna[7] = 0x00;
388 case BANDWIDTH_7_MHZ:
389 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
390 state->tx_tuna[7] = 0x07;
392 state->tx_tuna[6] = 0x07;
393 state->tx_tuna[7] = 0x00;
396 case BANDWIDTH_8_MHZ:
397 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
398 state->tx_tuna[7] = 0x08;
400 state->tx_tuna[6] = 0x08;
401 state->tx_tuna[7] = 0x00;
411 static int dst_set_inversion(struct dst_state *state, fe_spectral_inversion_t inversion)
413 state->inversion = inversion;
415 case INVERSION_OFF: /* Inversion = Normal */
416 state->tx_tuna[8] &= ~0x80;
419 state->tx_tuna[8] |= 0x80;
428 static int dst_set_fec(struct dst_state *state, fe_code_rate_t fec)
434 static fe_code_rate_t dst_get_fec(struct dst_state *state)
439 static int dst_set_symbolrate(struct dst_state *state, u32 srate)
444 state->symbol_rate = srate;
445 if (state->dst_type == DST_TYPE_IS_TERR) {
448 dprintk(verbose, DST_INFO, 1, "set symrate %u", srate);
450 if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
454 symcalc = (u32) sval;
455 dprintk(verbose, DST_INFO, 1, "set symcalc %u", symcalc);
456 state->tx_tuna[5] = (u8) (symcalc >> 12);
457 state->tx_tuna[6] = (u8) (symcalc >> 4);
458 state->tx_tuna[7] = (u8) (symcalc << 4);
460 state->tx_tuna[5] = (u8) (srate >> 16) & 0x7f;
461 state->tx_tuna[6] = (u8) (srate >> 8);
462 state->tx_tuna[7] = (u8) srate;
464 state->tx_tuna[8] &= ~0x20;
465 if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
467 state->tx_tuna[8] |= 0x20;
473 static int dst_set_modulation(struct dst_state *state, fe_modulation_t modulation)
475 if (state->dst_type != DST_TYPE_IS_CABLE)
478 state->modulation = modulation;
479 switch (modulation) {
481 state->tx_tuna[8] = 0x10;
484 state->tx_tuna[8] = 0x20;
487 state->tx_tuna[8] = 0x40;
490 state->tx_tuna[8] = 0x80;
493 state->tx_tuna[8] = 0x00;
507 static fe_modulation_t dst_get_modulation(struct dst_state *state)
509 return state->modulation;
513 u8 dst_check_sum(u8 *buf, u32 len)
519 for (i = 0; i < len; i++) {
524 EXPORT_SYMBOL(dst_check_sum);
526 static void dst_type_flags_print(u32 type_flags)
528 dprintk(verbose, DST_ERROR, 0, "DST type flags :");
529 if (type_flags & DST_TYPE_HAS_NEWTUNE)
530 dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner", DST_TYPE_HAS_NEWTUNE);
531 if (type_flags & DST_TYPE_HAS_TS204)
532 dprintk(verbose, DST_ERROR, 0, " 0x%x ts204", DST_TYPE_HAS_TS204);
533 if (type_flags & DST_TYPE_HAS_SYMDIV)
534 dprintk(verbose, DST_ERROR, 0, " 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
535 if (type_flags & DST_TYPE_HAS_FW_1)
536 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
537 if (type_flags & DST_TYPE_HAS_FW_2)
538 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
539 if (type_flags & DST_TYPE_HAS_FW_3)
540 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
541 dprintk(verbose, DST_ERROR, 0, "\n");
545 static int dst_type_print(u8 type)
549 case DST_TYPE_IS_SAT:
553 case DST_TYPE_IS_TERR:
554 otype = "terrestrial";
557 case DST_TYPE_IS_CABLE:
562 dprintk(verbose, DST_INFO, 1, "invalid dst type %d", type);
565 dprintk(verbose, DST_INFO, 1, "DST type: %s", otype);
575 VP-1020 DST-MOT LG(old), TS=188
577 VP-1020 DST-03T LG(new), TS=204
578 VP-1022 DST-03T LG(new), TS=204
579 VP-1025 DST-03T LG(new), TS=204
581 VP-1030 DSTMCI, LG(new), TS=188
582 VP-1032 DSTMCI, LG(new), TS=188
586 VP-2030 DCT-CI, Samsung, TS=204
587 VP-2021 DCT-CI, Unknown, TS=204
588 VP-2031 DCT-CI, Philips, TS=188
589 VP-2040 DCT-CI, Philips, TS=188, with CA daughter board
590 VP-2040 DCT-CI, Philips, TS=204, without CA daughter board
594 VP-3050 DTTNXT TS=188
595 VP-3040 DTT-CI, Philips, TS=188
596 VP-3040 DTT-CI, Philips, TS=204
600 VP-3220 ATSCDI, TS=188
601 VP-3250 ATSCAD, TS=188
605 struct dst_types dst_tlist[] = {
607 .device_id = "200103A",
609 .dst_type = DST_TYPE_IS_SAT,
610 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
615 .device_id = "DST-020",
617 .dst_type = DST_TYPE_IS_SAT,
618 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
623 .device_id = "DST-030",
625 .dst_type = DST_TYPE_IS_SAT,
626 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
631 .device_id = "DST-03T",
633 .dst_type = DST_TYPE_IS_SAT,
634 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
635 .dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
636 | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO
640 .device_id = "DST-MOT",
642 .dst_type = DST_TYPE_IS_SAT,
643 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
648 .device_id = "DST-CI",
650 .dst_type = DST_TYPE_IS_SAT,
651 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
652 .dst_feature = DST_TYPE_HAS_CA
653 }, /* An OEM board */
656 .device_id = "DSTMCI",
658 .dst_type = DST_TYPE_IS_SAT,
659 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT,
660 .dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
661 | DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC
665 .device_id = "DSTFCI",
667 .dst_type = DST_TYPE_IS_SAT,
668 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
670 }, /* unknown to vendor */
673 .device_id = "DCT-CI",
675 .dst_type = DST_TYPE_IS_CABLE,
676 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1
678 .dst_feature = DST_TYPE_HAS_CA
682 .device_id = "DCTNEW",
684 .dst_type = DST_TYPE_IS_CABLE,
685 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD,
690 .device_id = "DTT-CI",
692 .dst_type = DST_TYPE_IS_TERR,
693 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
698 .device_id = "DTTDIG",
700 .dst_type = DST_TYPE_IS_TERR,
701 .type_flags = DST_TYPE_HAS_FW_2,
706 .device_id = "DTTNXT",
708 .dst_type = DST_TYPE_IS_TERR,
709 .type_flags = DST_TYPE_HAS_FW_2,
710 .dst_feature = DST_TYPE_HAS_ANALOG
714 .device_id = "ATSCDI",
716 .dst_type = DST_TYPE_IS_ATSC,
717 .type_flags = DST_TYPE_HAS_FW_2,
722 .device_id = "ATSCAD",
724 .dst_type = DST_TYPE_IS_ATSC,
725 .type_flags = DST_TYPE_HAS_FW_2,
733 static int dst_get_mac(struct dst_state *state)
735 u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
736 get_mac[7] = dst_check_sum(get_mac, 7);
737 if (dst_command(state, get_mac, 8) < 0) {
738 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
741 memset(&state->mac_address, '\0', 8);
742 memcpy(&state->mac_address, &state->rxbuffer, 6);
743 dprintk(verbose, DST_ERROR, 1, "MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]",
744 state->mac_address[0], state->mac_address[1], state->mac_address[2],
745 state->mac_address[4], state->mac_address[5], state->mac_address[6]);
750 static int dst_fw_ver(struct dst_state *state)
752 u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
753 get_ver[7] = dst_check_sum(get_ver, 7);
754 if (dst_command(state, get_ver, 8) < 0) {
755 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
758 memset(&state->fw_version, '\0', 8);
759 memcpy(&state->fw_version, &state->rxbuffer, 8);
760 dprintk(verbose, DST_ERROR, 1, "Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x",
761 state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
762 state->fw_version[1],
763 state->fw_version[5], state->fw_version[6],
764 state->fw_version[4], state->fw_version[3], state->fw_version[2]);
769 static int dst_card_type(struct dst_state *state)
771 u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
772 get_type[7] = dst_check_sum(get_type, 7);
773 if (dst_command(state, get_type, 8) < 0) {
774 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
777 memset(&state->card_info, '\0', 8);
778 memcpy(&state->card_info, &state->rxbuffer, 8);
779 dprintk(verbose, DST_ERROR, 1, "Device Model=[%s]", &state->card_info[0]);
784 static int dst_get_vendor(struct dst_state *state)
786 u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
787 get_vendor[7] = dst_check_sum(get_vendor, 7);
788 if (dst_command(state, get_vendor, 8) < 0) {
789 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
792 memset(&state->vendor, '\0', 8);
793 memcpy(&state->vendor, &state->rxbuffer, 8);
794 dprintk(verbose, DST_ERROR, 1, "Vendor=[%s]", &state->vendor[0]);
799 static int dst_get_device_id(struct dst_state *state)
804 struct dst_types *p_dst_type;
806 u32 use_type_flags = 0;
808 static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
810 device_type[7] = dst_check_sum(device_type, 7);
812 if (write_dst(state, device_type, FIXED_COMM))
813 return -1; /* Write failed */
814 if ((dst_pio_disable(state)) < 0)
816 if (read_dst(state, &reply, GET_ACK))
817 return -1; /* Read failure */
819 dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
820 return -1; /* Unack'd write */
822 if (!dst_wait_dst_ready(state, DEVICE_INIT))
823 return -1; /* DST not ready yet */
824 if (read_dst(state, state->rxbuffer, FIXED_COMM))
827 dst_pio_disable(state);
828 if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
829 dprintk(verbose, DST_INFO, 1, "Checksum failure!");
830 return -1; /* Checksum failure */
832 state->rxbuffer[7] = '\0';
834 for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
835 if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
836 use_type_flags = p_dst_type->type_flags;
837 use_dst_type = p_dst_type->dst_type;
839 /* Card capabilities */
840 state->dst_hw_cap = p_dst_type->dst_feature;
841 dprintk(verbose, DST_ERROR, 1, "Recognise [%s]\n", p_dst_type->device_id);
847 if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
848 dprintk(verbose, DST_ERROR, 1, "Unable to recognize %s or %s", &state->rxbuffer[0], &state->rxbuffer[1]);
849 dprintk(verbose, DST_ERROR, 1, "please email linux-dvb@linuxtv.org with this type in");
850 use_dst_type = DST_TYPE_IS_SAT;
851 use_type_flags = DST_TYPE_HAS_SYMDIV;
853 dst_type_print(use_dst_type);
854 state->type_flags = use_type_flags;
855 state->dst_type = use_dst_type;
856 dst_type_flags_print(state->type_flags);
858 if (state->type_flags & DST_TYPE_HAS_TS204) {
859 dst_packsize(state, 204);
865 static int dst_probe(struct dst_state *state)
867 if ((rdc_8820_reset(state)) < 0) {
868 dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
871 if (dst_addons & DST_TYPE_HAS_CA)
876 if ((dst_comm_init(state)) < 0) {
877 dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
881 if (dst_get_device_id(state) < 0) {
882 dprintk(verbose, DST_ERROR, 1, "unknown device.");
885 if (dst_get_mac(state) < 0) {
886 dprintk(verbose, DST_INFO, 1, "MAC: Unsupported command");
889 if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
890 if (dst_fw_ver(state) < 0) {
891 dprintk(verbose, DST_INFO, 1, "FW: Unsupported command");
894 if (dst_card_type(state) < 0) {
895 dprintk(verbose, DST_INFO, 1, "Card: Unsupported command");
898 if (dst_get_vendor(state) < 0) {
899 dprintk(verbose, DST_INFO, 1, "Vendor: Unsupported command");
907 int dst_command(struct dst_state *state, u8 *data, u8 len)
910 if ((dst_comm_init(state)) < 0) {
911 dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
914 if (write_dst(state, data, len)) {
915 dprintk(verbose, DST_INFO, 1, "Tring to recover.. ");
916 if ((dst_error_recovery(state)) < 0) {
917 dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
922 if ((dst_pio_disable(state)) < 0) {
923 dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
926 if (state->type_flags & DST_TYPE_HAS_FW_1)
928 if (read_dst(state, &reply, GET_ACK)) {
929 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
930 if ((dst_error_recovery(state)) < 0) {
931 dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
937 dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
940 if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
942 if (state->type_flags & DST_TYPE_HAS_FW_1)
946 if (!dst_wait_dst_ready(state, NO_DELAY))
948 if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
949 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
950 if ((dst_error_recovery(state)) < 0) {
951 dprintk(verbose, DST_INFO, 1, "Recovery failed.");
956 if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
957 dprintk(verbose, DST_INFO, 1, "checksum failure");
963 EXPORT_SYMBOL(dst_command);
965 static int dst_get_signal(struct dst_state *state)
968 u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
969 //dprintk("%s: Getting Signal strength and other parameters\n", __FUNCTION__);
970 if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
971 state->decode_lock = state->decode_strength = state->decode_snr = 0;
974 if (0 == (state->diseq_flags & HAS_LOCK)) {
975 state->decode_lock = state->decode_strength = state->decode_snr = 0;
978 if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
979 retval = dst_command(state, get_signal, 8);
982 if (state->dst_type == DST_TYPE_IS_SAT) {
983 state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
984 state->decode_strength = state->rxbuffer[5] << 8;
985 state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
986 } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
987 state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
988 state->decode_strength = state->rxbuffer[4] << 8;
989 state->decode_snr = state->rxbuffer[3] << 8;
991 state->cur_jiff = jiffies;
996 static int dst_tone_power_cmd(struct dst_state *state)
998 u8 paket[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
1000 if (state->dst_type == DST_TYPE_IS_TERR)
1002 paket[4] = state->tx_tuna[4];
1003 paket[2] = state->tx_tuna[2];
1004 paket[3] = state->tx_tuna[3];
1005 paket[7] = dst_check_sum (paket, 7);
1006 dst_command(state, paket, 8);
1011 static int dst_get_tuna(struct dst_state *state)
1015 if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1017 state->diseq_flags &= ~(HAS_LOCK);
1018 if (!dst_wait_dst_ready(state, NO_DELAY))
1020 if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
1021 /* how to get variable length reply ???? */
1022 retval = read_dst(state, state->rx_tuna, 10);
1024 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1026 dprintk(verbose, DST_DEBUG, 1, "read not successful");
1029 if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1030 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
1031 dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
1035 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
1036 dprintk(verbose, DST_INFO, 1, "checksum failure? ");
1040 if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1042 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
1043 state->decode_lock = 1;
1044 state->diseq_flags |= HAS_LOCK;
1049 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
1051 static int dst_write_tuna(struct dvb_frontend *fe)
1053 struct dst_state *state = fe->demodulator_priv;
1057 dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
1058 state->decode_freq = 0;
1059 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1060 if (state->dst_type == DST_TYPE_IS_SAT) {
1061 if (!(state->diseq_flags & HAS_POWER))
1062 dst_set_voltage(fe, SEC_VOLTAGE_13);
1064 state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
1066 if ((dst_comm_init(state)) < 0) {
1067 dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
1070 if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1071 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
1072 retval = write_dst(state, &state->tx_tuna[0], 10);
1074 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
1075 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1078 dst_pio_disable(state);
1079 dprintk(verbose, DST_DEBUG, 1, "write not successful");
1082 if ((dst_pio_disable(state)) < 0) {
1083 dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
1086 if ((read_dst(state, &reply, GET_ACK) < 0)) {
1087 dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
1091 dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
1094 state->diseq_flags |= ATTEMPT_TUNE;
1096 return dst_get_tuna(state);
1100 * line22k0 0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1101 * line22k1 0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1102 * line22k2 0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1103 * tone 0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1104 * data 0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1105 * power_off 0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1106 * power_on 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1107 * Diseqc 1 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1108 * Diseqc 2 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1109 * Diseqc 3 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1110 * Diseqc 4 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1113 static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1115 struct dst_state *state = fe->demodulator_priv;
1116 u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1118 if (state->dst_type != DST_TYPE_IS_SAT)
1120 if (cmd->msg_len == 0 || cmd->msg_len > 4)
1122 memcpy(&paket[3], cmd->msg, cmd->msg_len);
1123 paket[7] = dst_check_sum(&paket[0], 7);
1124 dst_command(state, paket, 8);
1128 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1131 struct dst_state *state = fe->demodulator_priv;
1133 state->voltage = voltage;
1134 if (state->dst_type != DST_TYPE_IS_SAT)
1140 case SEC_VOLTAGE_13:
1141 case SEC_VOLTAGE_18:
1142 if ((state->diseq_flags & HAS_POWER) == 0)
1144 state->diseq_flags |= HAS_POWER;
1145 state->tx_tuna[4] = 0x01;
1147 case SEC_VOLTAGE_OFF:
1149 state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1150 state->tx_tuna[4] = 0x00;
1157 dst_tone_power_cmd(state);
1162 static int dst_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1164 struct dst_state *state = fe->demodulator_priv;
1167 if (state->dst_type != DST_TYPE_IS_SAT)
1172 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1173 state->tx_tuna[2] = 0x00;
1175 state->tx_tuna[2] = 0xff;
1179 state->tx_tuna[2] = 0x02;
1184 dst_tone_power_cmd(state);
1189 static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1191 struct dst_state *state = fe->demodulator_priv;
1193 if (state->dst_type != DST_TYPE_IS_SAT)
1195 state->minicmd = minicmd;
1198 state->tx_tuna[3] = 0x02;
1201 state->tx_tuna[3] = 0xff;
1204 dst_tone_power_cmd(state);
1210 static int dst_init(struct dvb_frontend *fe)
1212 struct dst_state *state = fe->demodulator_priv;
1214 static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1215 static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1216 static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1217 static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1218 static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1219 static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1221 state->inversion = INVERSION_OFF;
1222 state->voltage = SEC_VOLTAGE_13;
1223 state->tone = SEC_TONE_OFF;
1224 state->diseq_flags = 0;
1226 state->bandwidth = BANDWIDTH_7_MHZ;
1227 state->cur_jiff = jiffies;
1228 if (state->dst_type == DST_TYPE_IS_SAT)
1229 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1230 else if (state->dst_type == DST_TYPE_IS_TERR)
1231 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1232 else if (state->dst_type == DST_TYPE_IS_CABLE)
1233 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1238 static int dst_read_status(struct dvb_frontend *fe, fe_status_t *status)
1240 struct dst_state *state = fe->demodulator_priv;
1243 if (state->diseq_flags & HAS_LOCK) {
1244 // dst_get_signal(state); // don't require(?) to ask MCU
1245 if (state->decode_lock)
1246 *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1252 static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1254 struct dst_state *state = fe->demodulator_priv;
1256 dst_get_signal(state);
1257 *strength = state->decode_strength;
1262 static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1264 struct dst_state *state = fe->demodulator_priv;
1266 dst_get_signal(state);
1267 *snr = state->decode_snr;
1272 static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1274 struct dst_state *state = fe->demodulator_priv;
1276 dst_set_freq(state, p->frequency);
1277 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1279 if (state->dst_type == DST_TYPE_IS_SAT) {
1280 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1281 dst_set_inversion(state, p->inversion);
1282 dst_set_fec(state, p->u.qpsk.fec_inner);
1283 dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1284 dst_set_polarization(state);
1285 dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1287 } else if (state->dst_type == DST_TYPE_IS_TERR)
1288 dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1289 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1290 dst_set_fec(state, p->u.qam.fec_inner);
1291 dst_set_symbolrate(state, p->u.qam.symbol_rate);
1292 dst_set_modulation(state, p->u.qam.modulation);
1299 static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1301 struct dst_state *state = fe->demodulator_priv;
1303 p->frequency = state->decode_freq;
1304 if (state->dst_type == DST_TYPE_IS_SAT) {
1305 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1306 p->inversion = state->inversion;
1307 p->u.qpsk.symbol_rate = state->symbol_rate;
1308 p->u.qpsk.fec_inner = dst_get_fec(state);
1309 } else if (state->dst_type == DST_TYPE_IS_TERR) {
1310 p->u.ofdm.bandwidth = state->bandwidth;
1311 } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1312 p->u.qam.symbol_rate = state->symbol_rate;
1313 p->u.qam.fec_inner = dst_get_fec(state);
1314 p->u.qam.modulation = dst_get_modulation(state);
1320 static void dst_release(struct dvb_frontend *fe)
1322 struct dst_state *state = fe->demodulator_priv;
1326 static struct dvb_frontend_ops dst_dvbt_ops;
1327 static struct dvb_frontend_ops dst_dvbs_ops;
1328 static struct dvb_frontend_ops dst_dvbc_ops;
1330 struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1332 /* check if the ASIC is there */
1333 if (dst_probe(state) < 0) {
1337 /* determine settings based on type */
1338 switch (state->dst_type) {
1339 case DST_TYPE_IS_TERR:
1340 memcpy(&state->ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1342 case DST_TYPE_IS_CABLE:
1343 memcpy(&state->ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1345 case DST_TYPE_IS_SAT:
1346 memcpy(&state->ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1349 dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
1354 /* create dvb_frontend */
1355 state->frontend.ops = &state->ops;
1356 state->frontend.demodulator_priv = state;
1358 return state; /* Manu (DST is a card not a frontend) */
1361 EXPORT_SYMBOL(dst_attach);
1363 static struct dvb_frontend_ops dst_dvbt_ops = {
1366 .name = "DST DVB-T",
1368 .frequency_min = 137000000,
1369 .frequency_max = 858000000,
1370 .frequency_stepsize = 166667,
1371 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1374 .release = dst_release,
1376 .set_frontend = dst_set_frontend,
1377 .get_frontend = dst_get_frontend,
1378 .read_status = dst_read_status,
1379 .read_signal_strength = dst_read_signal_strength,
1380 .read_snr = dst_read_snr,
1383 static struct dvb_frontend_ops dst_dvbs_ops = {
1386 .name = "DST DVB-S",
1388 .frequency_min = 950000,
1389 .frequency_max = 2150000,
1390 .frequency_stepsize = 1000, /* kHz for QPSK frontends */
1391 .frequency_tolerance = 29500,
1392 .symbol_rate_min = 1000000,
1393 .symbol_rate_max = 45000000,
1394 /* . symbol_rate_tolerance = ???,*/
1395 .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1398 .release = dst_release,
1400 .set_frontend = dst_set_frontend,
1401 .get_frontend = dst_get_frontend,
1402 .read_status = dst_read_status,
1403 .read_signal_strength = dst_read_signal_strength,
1404 .read_snr = dst_read_snr,
1405 .diseqc_send_burst = dst_send_burst,
1406 .diseqc_send_master_cmd = dst_set_diseqc,
1407 .set_voltage = dst_set_voltage,
1408 .set_tone = dst_set_tone,
1411 static struct dvb_frontend_ops dst_dvbc_ops = {
1414 .name = "DST DVB-C",
1416 .frequency_stepsize = 62500,
1417 .frequency_min = 51000000,
1418 .frequency_max = 858000000,
1419 .symbol_rate_min = 1000000,
1420 .symbol_rate_max = 45000000,
1421 /* . symbol_rate_tolerance = ???,*/
1422 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO
1425 .release = dst_release,
1427 .set_frontend = dst_set_frontend,
1428 .get_frontend = dst_get_frontend,
1429 .read_status = dst_read_status,
1430 .read_signal_strength = dst_read_signal_strength,
1431 .read_snr = dst_read_snr,
1434 MODULE_DESCRIPTION("DST DVB-S/T/C Combo Frontend driver");
1435 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1436 MODULE_LICENSE("GPL");