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) {
362 state->tx_tuna[2] = (freq >> 16) & 0xff;
363 state->tx_tuna[3] = (freq >> 8) & 0xff;
364 state->tx_tuna[4] = (u8) freq;
371 static int dst_set_bandwidth(struct dst_state *state, fe_bandwidth_t bandwidth)
373 state->bandwidth = bandwidth;
375 if (state->dst_type != DST_TYPE_IS_TERR)
379 case BANDWIDTH_6_MHZ:
380 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
381 state->tx_tuna[7] = 0x06;
383 state->tx_tuna[6] = 0x06;
384 state->tx_tuna[7] = 0x00;
387 case BANDWIDTH_7_MHZ:
388 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
389 state->tx_tuna[7] = 0x07;
391 state->tx_tuna[6] = 0x07;
392 state->tx_tuna[7] = 0x00;
395 case BANDWIDTH_8_MHZ:
396 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
397 state->tx_tuna[7] = 0x08;
399 state->tx_tuna[6] = 0x08;
400 state->tx_tuna[7] = 0x00;
410 static int dst_set_inversion(struct dst_state *state, fe_spectral_inversion_t inversion)
412 state->inversion = inversion;
414 case INVERSION_OFF: /* Inversion = Normal */
415 state->tx_tuna[8] &= ~0x80;
418 state->tx_tuna[8] |= 0x80;
427 static int dst_set_fec(struct dst_state *state, fe_code_rate_t fec)
433 static fe_code_rate_t dst_get_fec(struct dst_state *state)
438 static int dst_set_symbolrate(struct dst_state *state, u32 srate)
443 state->symbol_rate = srate;
444 if (state->dst_type == DST_TYPE_IS_TERR) {
447 dprintk(verbose, DST_INFO, 1, "set symrate %u", srate);
449 if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
453 symcalc = (u32) sval;
454 dprintk(verbose, DST_INFO, 1, "set symcalc %u", symcalc);
455 state->tx_tuna[5] = (u8) (symcalc >> 12);
456 state->tx_tuna[6] = (u8) (symcalc >> 4);
457 state->tx_tuna[7] = (u8) (symcalc << 4);
459 state->tx_tuna[5] = (u8) (srate >> 16) & 0x7f;
460 state->tx_tuna[6] = (u8) (srate >> 8);
461 state->tx_tuna[7] = (u8) srate;
463 state->tx_tuna[8] &= ~0x20;
464 if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
466 state->tx_tuna[8] |= 0x20;
472 static int dst_set_modulation(struct dst_state *state, fe_modulation_t modulation)
474 if (state->dst_type != DST_TYPE_IS_CABLE)
477 state->modulation = modulation;
478 switch (modulation) {
480 state->tx_tuna[8] = 0x10;
483 state->tx_tuna[8] = 0x20;
486 state->tx_tuna[8] = 0x40;
489 state->tx_tuna[8] = 0x80;
492 state->tx_tuna[8] = 0x00;
506 static fe_modulation_t dst_get_modulation(struct dst_state *state)
508 return state->modulation;
512 u8 dst_check_sum(u8 *buf, u32 len)
518 for (i = 0; i < len; i++) {
523 EXPORT_SYMBOL(dst_check_sum);
525 static void dst_type_flags_print(u32 type_flags)
527 dprintk(verbose, DST_ERROR, 0, "DST type flags :");
528 if (type_flags & DST_TYPE_HAS_NEWTUNE)
529 dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner", DST_TYPE_HAS_NEWTUNE);
530 if (type_flags & DST_TYPE_HAS_TS204)
531 dprintk(verbose, DST_ERROR, 0, " 0x%x ts204", DST_TYPE_HAS_TS204);
532 if (type_flags & DST_TYPE_HAS_SYMDIV)
533 dprintk(verbose, DST_ERROR, 0, " 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
534 if (type_flags & DST_TYPE_HAS_FW_1)
535 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
536 if (type_flags & DST_TYPE_HAS_FW_2)
537 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
538 if (type_flags & DST_TYPE_HAS_FW_3)
539 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
540 dprintk(verbose, DST_ERROR, 0, "\n");
544 static int dst_type_print(u8 type)
548 case DST_TYPE_IS_SAT:
552 case DST_TYPE_IS_TERR:
553 otype = "terrestrial";
556 case DST_TYPE_IS_CABLE:
561 dprintk(verbose, DST_INFO, 1, "invalid dst type %d", type);
564 dprintk(verbose, DST_INFO, 1, "DST type: %s", otype);
574 VP-1020 DST-MOT LG(old), TS=188
576 VP-1020 DST-03T LG(new), TS=204
577 VP-1022 DST-03T LG(new), TS=204
578 VP-1025 DST-03T LG(new), TS=204
580 VP-1030 DSTMCI, LG(new), TS=188
581 VP-1032 DSTMCI, LG(new), TS=188
585 VP-2030 DCT-CI, Samsung, TS=204
586 VP-2021 DCT-CI, Unknown, TS=204
587 VP-2031 DCT-CI, Philips, TS=188
588 VP-2040 DCT-CI, Philips, TS=188, with CA daughter board
589 VP-2040 DCT-CI, Philips, TS=204, without CA daughter board
593 VP-3050 DTTNXT TS=188
594 VP-3040 DTT-CI, Philips, TS=188
595 VP-3040 DTT-CI, Philips, TS=204
599 VP-3220 ATSCDI, TS=188
600 VP-3250 ATSCAD, TS=188
604 struct dst_types dst_tlist[] = {
606 .device_id = "200103A",
608 .dst_type = DST_TYPE_IS_SAT,
609 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
614 .device_id = "DST-020",
616 .dst_type = DST_TYPE_IS_SAT,
617 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
622 .device_id = "DST-030",
624 .dst_type = DST_TYPE_IS_SAT,
625 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
630 .device_id = "DST-03T",
632 .dst_type = DST_TYPE_IS_SAT,
633 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
634 .dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
635 | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO
639 .device_id = "DST-MOT",
641 .dst_type = DST_TYPE_IS_SAT,
642 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
647 .device_id = "DST-CI",
649 .dst_type = DST_TYPE_IS_SAT,
650 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
651 .dst_feature = DST_TYPE_HAS_CA
652 }, /* An OEM board */
655 .device_id = "DSTMCI",
657 .dst_type = DST_TYPE_IS_SAT,
658 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT,
659 .dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
660 | DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC
664 .device_id = "DSTFCI",
666 .dst_type = DST_TYPE_IS_SAT,
667 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
669 }, /* unknown to vendor */
672 .device_id = "DCT-CI",
674 .dst_type = DST_TYPE_IS_CABLE,
675 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1
676 | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
677 .dst_feature = DST_TYPE_HAS_CA
681 .device_id = "DCTNEW",
683 .dst_type = DST_TYPE_IS_CABLE,
684 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3,
689 .device_id = "DTT-CI",
691 .dst_type = DST_TYPE_IS_TERR,
692 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
697 .device_id = "DTTDIG",
699 .dst_type = DST_TYPE_IS_TERR,
700 .type_flags = DST_TYPE_HAS_FW_2,
705 .device_id = "DTTNXT",
707 .dst_type = DST_TYPE_IS_TERR,
708 .type_flags = DST_TYPE_HAS_FW_2,
709 .dst_feature = DST_TYPE_HAS_ANALOG
713 .device_id = "ATSCDI",
715 .dst_type = DST_TYPE_IS_ATSC,
716 .type_flags = DST_TYPE_HAS_FW_2,
721 .device_id = "ATSCAD",
723 .dst_type = DST_TYPE_IS_ATSC,
724 .type_flags = DST_TYPE_HAS_FW_2,
733 static int dst_get_device_id(struct dst_state *state)
738 struct dst_types *p_dst_type;
740 u32 use_type_flags = 0;
742 static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
744 device_type[7] = dst_check_sum(device_type, 7);
746 if (write_dst(state, device_type, FIXED_COMM))
747 return -1; /* Write failed */
748 if ((dst_pio_disable(state)) < 0)
750 if (read_dst(state, &reply, GET_ACK))
751 return -1; /* Read failure */
753 dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
754 return -1; /* Unack'd write */
756 if (!dst_wait_dst_ready(state, DEVICE_INIT))
757 return -1; /* DST not ready yet */
758 if (read_dst(state, state->rxbuffer, FIXED_COMM))
761 dst_pio_disable(state);
762 if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
763 dprintk(verbose, DST_INFO, 1, "Checksum failure!");
764 return -1; /* Checksum failure */
766 state->rxbuffer[7] = '\0';
768 for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
769 if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
770 use_type_flags = p_dst_type->type_flags;
771 use_dst_type = p_dst_type->dst_type;
773 /* Card capabilities */
774 state->dst_hw_cap = p_dst_type->dst_feature;
775 dprintk(verbose, DST_ERROR, 1, "Recognise [%s]\n", p_dst_type->device_id);
781 if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
782 dprintk(verbose, DST_ERROR, 1, "Unable to recognize %s or %s", &state->rxbuffer[0], &state->rxbuffer[1]);
783 dprintk(verbose, DST_ERROR, 1, "please email linux-dvb@linuxtv.org with this type in");
784 use_dst_type = DST_TYPE_IS_SAT;
785 use_type_flags = DST_TYPE_HAS_SYMDIV;
787 dst_type_print(use_dst_type);
788 state->type_flags = use_type_flags;
789 state->dst_type = use_dst_type;
790 dst_type_flags_print(state->type_flags);
792 if (state->type_flags & DST_TYPE_HAS_TS204) {
793 dst_packsize(state, 204);
799 static int dst_probe(struct dst_state *state)
801 if ((rdc_8820_reset(state)) < 0) {
802 dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
805 if (dst_addons & DST_TYPE_HAS_CA)
810 if ((dst_comm_init(state)) < 0) {
811 dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
815 if (dst_get_device_id(state) < 0) {
816 dprintk(verbose, DST_ERROR, 1, "unknown device.");
823 int dst_command(struct dst_state *state, u8 *data, u8 len)
826 if ((dst_comm_init(state)) < 0) {
827 dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
830 if (write_dst(state, data, len)) {
831 dprintk(verbose, DST_INFO, 1, "Tring to recover.. ");
832 if ((dst_error_recovery(state)) < 0) {
833 dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
838 if ((dst_pio_disable(state)) < 0) {
839 dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
842 if (state->type_flags & DST_TYPE_HAS_FW_1)
844 if (read_dst(state, &reply, GET_ACK)) {
845 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
846 if ((dst_error_recovery(state)) < 0) {
847 dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
853 dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
856 if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
858 if (state->type_flags & DST_TYPE_HAS_FW_1)
862 if (!dst_wait_dst_ready(state, NO_DELAY))
864 if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
865 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
866 if ((dst_error_recovery(state)) < 0) {
867 dprintk(verbose, DST_INFO, 1, "Recovery failed.");
872 if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
873 dprintk(verbose, DST_INFO, 1, "checksum failure");
879 EXPORT_SYMBOL(dst_command);
881 static int dst_get_signal(struct dst_state *state)
884 u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
885 //dprintk("%s: Getting Signal strength and other parameters\n", __FUNCTION__);
886 if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
887 state->decode_lock = state->decode_strength = state->decode_snr = 0;
890 if (0 == (state->diseq_flags & HAS_LOCK)) {
891 state->decode_lock = state->decode_strength = state->decode_snr = 0;
894 if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
895 retval = dst_command(state, get_signal, 8);
898 if (state->dst_type == DST_TYPE_IS_SAT) {
899 state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
900 state->decode_strength = state->rxbuffer[5] << 8;
901 state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
902 } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
903 state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
904 state->decode_strength = state->rxbuffer[4] << 8;
905 state->decode_snr = state->rxbuffer[3] << 8;
907 state->cur_jiff = jiffies;
912 static int dst_tone_power_cmd(struct dst_state *state)
914 u8 paket[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
916 if (state->dst_type == DST_TYPE_IS_TERR)
918 paket[4] = state->tx_tuna[4];
919 paket[2] = state->tx_tuna[2];
920 paket[3] = state->tx_tuna[3];
921 paket[7] = dst_check_sum (paket, 7);
922 dst_command(state, paket, 8);
927 static int dst_get_tuna(struct dst_state *state)
931 if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
933 state->diseq_flags &= ~(HAS_LOCK);
934 if (!dst_wait_dst_ready(state, NO_DELAY))
936 if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
937 /* how to get variable length reply ???? */
938 retval = read_dst(state, state->rx_tuna, 10);
940 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
942 dprintk(verbose, DST_DEBUG, 1, "read not successful");
945 if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
946 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
947 dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
951 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
952 dprintk(verbose, DST_INFO, 1, "checksum failure? ");
956 if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
958 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
959 state->decode_lock = 1;
960 state->diseq_flags |= HAS_LOCK;
965 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
967 static int dst_write_tuna(struct dvb_frontend *fe)
969 struct dst_state *state = fe->demodulator_priv;
973 dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
974 state->decode_freq = 0;
975 state->decode_lock = state->decode_strength = state->decode_snr = 0;
976 if (state->dst_type == DST_TYPE_IS_SAT) {
977 if (!(state->diseq_flags & HAS_POWER))
978 dst_set_voltage(fe, SEC_VOLTAGE_13);
980 state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
982 if ((dst_comm_init(state)) < 0) {
983 dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
986 if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
987 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
988 retval = write_dst(state, &state->tx_tuna[0], 10);
990 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
991 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
994 dst_pio_disable(state);
995 dprintk(verbose, DST_DEBUG, 1, "write not successful");
998 if ((dst_pio_disable(state)) < 0) {
999 dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
1002 if ((read_dst(state, &reply, GET_ACK) < 0)) {
1003 dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
1007 dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
1010 state->diseq_flags |= ATTEMPT_TUNE;
1012 return dst_get_tuna(state);
1016 * line22k0 0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1017 * line22k1 0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1018 * line22k2 0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1019 * tone 0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1020 * data 0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1021 * power_off 0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1022 * power_on 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1023 * Diseqc 1 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1024 * Diseqc 2 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1025 * Diseqc 3 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1026 * Diseqc 4 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1029 static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1031 struct dst_state *state = fe->demodulator_priv;
1032 u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1034 if (state->dst_type != DST_TYPE_IS_SAT)
1036 if (cmd->msg_len == 0 || cmd->msg_len > 4)
1038 memcpy(&paket[3], cmd->msg, cmd->msg_len);
1039 paket[7] = dst_check_sum(&paket[0], 7);
1040 dst_command(state, paket, 8);
1044 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1047 struct dst_state *state = fe->demodulator_priv;
1049 state->voltage = voltage;
1050 if (state->dst_type != DST_TYPE_IS_SAT)
1056 case SEC_VOLTAGE_13:
1057 case SEC_VOLTAGE_18:
1058 if ((state->diseq_flags & HAS_POWER) == 0)
1060 state->diseq_flags |= HAS_POWER;
1061 state->tx_tuna[4] = 0x01;
1063 case SEC_VOLTAGE_OFF:
1065 state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1066 state->tx_tuna[4] = 0x00;
1073 dst_tone_power_cmd(state);
1078 static int dst_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1080 struct dst_state *state = fe->demodulator_priv;
1083 if (state->dst_type != DST_TYPE_IS_SAT)
1088 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1089 state->tx_tuna[2] = 0x00;
1091 state->tx_tuna[2] = 0xff;
1095 state->tx_tuna[2] = 0x02;
1100 dst_tone_power_cmd(state);
1105 static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1107 struct dst_state *state = fe->demodulator_priv;
1109 if (state->dst_type != DST_TYPE_IS_SAT)
1111 state->minicmd = minicmd;
1114 state->tx_tuna[3] = 0x02;
1117 state->tx_tuna[3] = 0xff;
1120 dst_tone_power_cmd(state);
1126 static int dst_init(struct dvb_frontend *fe)
1128 struct dst_state *state = fe->demodulator_priv;
1130 static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1131 static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1132 static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1133 static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1134 static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1135 static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1137 state->inversion = INVERSION_OFF;
1138 state->voltage = SEC_VOLTAGE_13;
1139 state->tone = SEC_TONE_OFF;
1140 state->diseq_flags = 0;
1142 state->bandwidth = BANDWIDTH_7_MHZ;
1143 state->cur_jiff = jiffies;
1144 if (state->dst_type == DST_TYPE_IS_SAT)
1145 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1146 else if (state->dst_type == DST_TYPE_IS_TERR)
1147 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1148 else if (state->dst_type == DST_TYPE_IS_CABLE)
1149 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1154 static int dst_read_status(struct dvb_frontend *fe, fe_status_t *status)
1156 struct dst_state *state = fe->demodulator_priv;
1159 if (state->diseq_flags & HAS_LOCK) {
1160 // dst_get_signal(state); // don't require(?) to ask MCU
1161 if (state->decode_lock)
1162 *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1168 static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1170 struct dst_state *state = fe->demodulator_priv;
1172 dst_get_signal(state);
1173 *strength = state->decode_strength;
1178 static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1180 struct dst_state *state = fe->demodulator_priv;
1182 dst_get_signal(state);
1183 *snr = state->decode_snr;
1188 static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1190 struct dst_state *state = fe->demodulator_priv;
1192 dst_set_freq(state, p->frequency);
1193 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1195 if (state->dst_type == DST_TYPE_IS_SAT) {
1196 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1197 dst_set_inversion(state, p->inversion);
1198 dst_set_fec(state, p->u.qpsk.fec_inner);
1199 dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1200 dst_set_polarization(state);
1201 dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1203 } else if (state->dst_type == DST_TYPE_IS_TERR)
1204 dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1205 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1206 dst_set_fec(state, p->u.qam.fec_inner);
1207 dst_set_symbolrate(state, p->u.qam.symbol_rate);
1208 dst_set_modulation(state, p->u.qam.modulation);
1215 static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1217 struct dst_state *state = fe->demodulator_priv;
1219 p->frequency = state->decode_freq;
1220 if (state->dst_type == DST_TYPE_IS_SAT) {
1221 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1222 p->inversion = state->inversion;
1223 p->u.qpsk.symbol_rate = state->symbol_rate;
1224 p->u.qpsk.fec_inner = dst_get_fec(state);
1225 } else if (state->dst_type == DST_TYPE_IS_TERR) {
1226 p->u.ofdm.bandwidth = state->bandwidth;
1227 } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1228 p->u.qam.symbol_rate = state->symbol_rate;
1229 p->u.qam.fec_inner = dst_get_fec(state);
1230 p->u.qam.modulation = dst_get_modulation(state);
1236 static void dst_release(struct dvb_frontend *fe)
1238 struct dst_state *state = fe->demodulator_priv;
1242 static struct dvb_frontend_ops dst_dvbt_ops;
1243 static struct dvb_frontend_ops dst_dvbs_ops;
1244 static struct dvb_frontend_ops dst_dvbc_ops;
1246 struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1248 /* check if the ASIC is there */
1249 if (dst_probe(state) < 0) {
1255 /* determine settings based on type */
1256 switch (state->dst_type) {
1257 case DST_TYPE_IS_TERR:
1258 memcpy(&state->ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1260 case DST_TYPE_IS_CABLE:
1261 memcpy(&state->ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1263 case DST_TYPE_IS_SAT:
1264 memcpy(&state->ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1267 dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
1274 /* create dvb_frontend */
1275 state->frontend.ops = &state->ops;
1276 state->frontend.demodulator_priv = state;
1278 return state; /* Manu (DST is a card not a frontend) */
1281 EXPORT_SYMBOL(dst_attach);
1283 static struct dvb_frontend_ops dst_dvbt_ops = {
1286 .name = "DST DVB-T",
1288 .frequency_min = 137000000,
1289 .frequency_max = 858000000,
1290 .frequency_stepsize = 166667,
1291 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1294 .release = dst_release,
1296 .set_frontend = dst_set_frontend,
1297 .get_frontend = dst_get_frontend,
1298 .read_status = dst_read_status,
1299 .read_signal_strength = dst_read_signal_strength,
1300 .read_snr = dst_read_snr,
1303 static struct dvb_frontend_ops dst_dvbs_ops = {
1306 .name = "DST DVB-S",
1308 .frequency_min = 950000,
1309 .frequency_max = 2150000,
1310 .frequency_stepsize = 1000, /* kHz for QPSK frontends */
1311 .frequency_tolerance = 29500,
1312 .symbol_rate_min = 1000000,
1313 .symbol_rate_max = 45000000,
1314 /* . symbol_rate_tolerance = ???,*/
1315 .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1318 .release = dst_release,
1320 .set_frontend = dst_set_frontend,
1321 .get_frontend = dst_get_frontend,
1322 .read_status = dst_read_status,
1323 .read_signal_strength = dst_read_signal_strength,
1324 .read_snr = dst_read_snr,
1325 .diseqc_send_burst = dst_send_burst,
1326 .diseqc_send_master_cmd = dst_set_diseqc,
1327 .set_voltage = dst_set_voltage,
1328 .set_tone = dst_set_tone,
1331 static struct dvb_frontend_ops dst_dvbc_ops = {
1334 .name = "DST DVB-C",
1336 .frequency_stepsize = 62500,
1337 .frequency_min = 51000000,
1338 .frequency_max = 858000000,
1339 .symbol_rate_min = 1000000,
1340 .symbol_rate_max = 45000000,
1341 /* . symbol_rate_tolerance = ???,*/
1342 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO
1345 .release = dst_release,
1347 .set_frontend = dst_set_frontend,
1348 .get_frontend = dst_get_frontend,
1349 .read_status = dst_read_status,
1350 .read_signal_strength = dst_read_signal_strength,
1351 .read_snr = dst_read_snr,
1354 MODULE_DESCRIPTION("DST DVB-S/T/C Combo Frontend driver");
1355 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1356 MODULE_LICENSE("GPL");