2 Conexant cx24116/cx24118 - DVBS/S2 Satellite demod/tuner driver
4 Copyright (C) 2006-2008 Steven Toth <stoth@hauppauge.com>
5 Copyright (C) 2006-2007 Georg Acher
6 Copyright (C) 2007-2008 Darron Broad
10 Added corrected signal strength support.
12 Sync with legacy version.
14 Copyright (C) 2008 Igor Liplianin
16 Fixed locking on high symbol rates (>30000).
17 Implement MPEG initialization parameter.
19 Fill set_voltage with actually control voltage code.
20 Correct set tone to not affect voltage.
22 This program is free software; you can redistribute it and/or modify
23 it under the terms of the GNU General Public License as published by
24 the Free Software Foundation; either version 2 of the License, or
25 (at your option) any later version.
27 This program is distributed in the hope that it will be useful,
28 but WITHOUT ANY WARRANTY; without even the implied warranty of
29 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 GNU General Public License for more details.
32 You should have received a copy of the GNU General Public License
33 along with this program; if not, write to the Free Software
34 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
37 #include <linux/slab.h>
38 #include <linux/kernel.h>
39 #include <linux/module.h>
40 #include <linux/moduleparam.h>
41 #include <linux/init.h>
42 #include <linux/firmware.h>
44 #include "dvb_frontend.h"
48 module_param(debug, int, 0644);
49 MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
51 #define dprintk(args...) \
54 printk(KERN_INFO "cx24116: " args); \
57 #define CX24116_DEFAULT_FIRMWARE "dvb-fe-cx24116.fw"
58 #define CX24116_SEARCH_RANGE_KHZ 5000
61 #define CX24116_REG_COMMAND (0x00) /* command args 0x00..0x1e */
62 #define CX24116_REG_EXECUTE (0x1f) /* execute command */
63 #define CX24116_REG_MAILBOX (0x96) /* FW or multipurpose mailbox? */
64 #define CX24116_REG_RESET (0x20) /* reset status > 0 */
65 #define CX24116_REG_SIGNAL (0x9e) /* signal low */
66 #define CX24116_REG_SSTATUS (0x9d) /* signal high / status */
67 #define CX24116_REG_QUALITY8 (0xa3)
68 #define CX24116_REG_QSTATUS (0xbc)
69 #define CX24116_REG_QUALITY0 (0xd5)
70 #define CX24116_REG_BER0 (0xc9)
71 #define CX24116_REG_BER8 (0xc8)
72 #define CX24116_REG_BER16 (0xc7)
73 #define CX24116_REG_BER24 (0xc6)
74 #define CX24116_REG_UCB0 (0xcb)
75 #define CX24116_REG_UCB8 (0xca)
76 #define CX24116_REG_CLKDIV (0xf3)
77 #define CX24116_REG_RATEDIV (0xf9)
79 /* configured fec (not tuned) or actual FEC (tuned) 1=1/2 2=2/3 etc */
80 #define CX24116_REG_FECSTATUS (0x9c)
83 /* mask to determine configured fec (not tuned) or actual fec (tuned) */
84 #define CX24116_FEC_FECMASK (0x1f)
86 /* Select DVB-S demodulator, else DVB-S2 */
87 #define CX24116_FEC_DVBS (0x20)
88 #define CX24116_FEC_UNKNOWN (0x40) /* Unknown/unused */
90 /* Pilot mode requested when tuning else always reset when tuned */
91 #define CX24116_FEC_PILOT (0x80)
94 #define CX24116_ARGLEN (0x1e)
97 #define CX24116_ROLLOFF_020 (0x00)
98 #define CX24116_ROLLOFF_025 (0x01)
99 #define CX24116_ROLLOFF_035 (0x02)
102 #define CX24116_PILOT_OFF (0x00)
103 #define CX24116_PILOT_ON (0x40)
106 #define CX24116_HAS_SIGNAL (0x01)
107 #define CX24116_HAS_CARRIER (0x02)
108 #define CX24116_HAS_VITERBI (0x04)
109 #define CX24116_HAS_SYNCLOCK (0x08)
110 #define CX24116_HAS_UNKNOWN1 (0x10)
111 #define CX24116_HAS_UNKNOWN2 (0x20)
112 #define CX24116_STATUS_MASK (0x0f)
113 #define CX24116_SIGNAL_MASK (0xc0)
115 #define CX24116_DISEQC_TONEOFF (0) /* toneburst never sent */
116 #define CX24116_DISEQC_TONECACHE (1) /* toneburst cached */
117 #define CX24116_DISEQC_MESGCACHE (2) /* message cached */
119 /* arg offset for DiSEqC */
120 #define CX24116_DISEQC_BURST (1)
121 #define CX24116_DISEQC_ARG2_2 (2) /* unknown value=2 */
122 #define CX24116_DISEQC_ARG3_0 (3) /* unknown value=0 */
123 #define CX24116_DISEQC_ARG4_0 (4) /* unknown value=0 */
124 #define CX24116_DISEQC_MSGLEN (5)
125 #define CX24116_DISEQC_MSGOFS (6)
128 #define CX24116_DISEQC_MINI_A (0)
129 #define CX24116_DISEQC_MINI_B (1)
131 /* DiSEqC tone burst */
132 static int toneburst = 1;
133 module_param(toneburst, int, 0644);
134 MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, "\
135 "2=MESSAGE CACHE (default:1)");
137 /* SNR measurements */
139 module_param(esno_snr, int, 0644);
140 MODULE_PARM_DESC(esno_snr, "SNR return units, 0=PERCENTAGE 0-100, "\
141 "1=ESNO(db * 10) (default:0)");
145 CMD_TUNEREQUEST = 0x11,
146 CMD_MPEGCONFIG = 0x13,
147 CMD_TUNERINIT = 0x14,
148 CMD_BANDWIDTH = 0x15,
150 CMD_LNBCONFIG = 0x20,
151 CMD_LNBSEND = 0x21, /* Formerly CMD_SEND_DISEQC */
152 CMD_LNBDCLEVEL = 0x22,
154 CMD_UPDFWVERS = 0x35,
155 CMD_TUNERSLEEP = 0x36,
156 CMD_AGCCONTROL = 0x3b, /* Unknown */
159 /* The Demod/Tuner can't easily provide these, we cache them */
160 struct cx24116_tuning {
163 enum fe_spectral_inversion inversion;
164 enum fe_code_rate fec;
166 enum fe_delivery_system delsys;
167 enum fe_modulation modulation;
169 enum fe_rolloff rolloff;
179 /* Basic commands that are sent to the firmware */
182 u8 args[CX24116_ARGLEN];
185 struct cx24116_state {
186 struct i2c_adapter *i2c;
187 const struct cx24116_config *config;
189 struct dvb_frontend frontend;
191 struct cx24116_tuning dcur;
192 struct cx24116_tuning dnxt;
196 struct cx24116_cmd dsec_cmd;
199 static int cx24116_writereg(struct cx24116_state *state, int reg, int data)
201 u8 buf[] = { reg, data };
202 struct i2c_msg msg = { .addr = state->config->demod_address,
203 .flags = 0, .buf = buf, .len = 2 };
207 printk("cx24116: %s: write reg 0x%02x, value 0x%02x\n",
208 __func__, reg, data);
210 err = i2c_transfer(state->i2c, &msg, 1);
212 printk(KERN_ERR "%s: writereg error(err == %i, reg == 0x%02x, value == 0x%02x)\n",
213 __func__, err, reg, data);
220 /* Bulk byte writes to a single I2C address, for 32k firmware load */
221 static int cx24116_writeregN(struct cx24116_state *state, int reg,
222 const u8 *data, u16 len)
228 buf = kmalloc(len + 1, GFP_KERNEL);
235 memcpy(buf + 1, data, len);
237 msg.addr = state->config->demod_address;
243 printk(KERN_INFO "cx24116: %s: write regN 0x%02x, len = %d\n",
246 ret = i2c_transfer(state->i2c, &msg, 1);
248 printk(KERN_ERR "%s: writereg error(err == %i, reg == 0x%02x\n",
259 static int cx24116_readreg(struct cx24116_state *state, u8 reg)
264 struct i2c_msg msg[] = {
265 { .addr = state->config->demod_address, .flags = 0,
266 .buf = b0, .len = 1 },
267 { .addr = state->config->demod_address, .flags = I2C_M_RD,
268 .buf = b1, .len = 1 }
271 ret = i2c_transfer(state->i2c, msg, 2);
274 printk(KERN_ERR "%s: reg=0x%x (error=%d)\n",
280 printk(KERN_INFO "cx24116: read reg 0x%02x, value 0x%02x\n",
286 static int cx24116_set_inversion(struct cx24116_state *state,
287 enum fe_spectral_inversion inversion)
289 dprintk("%s(%d)\n", __func__, inversion);
293 state->dnxt.inversion_val = 0x00;
296 state->dnxt.inversion_val = 0x04;
299 state->dnxt.inversion_val = 0x0C;
305 state->dnxt.inversion = inversion;
311 * modfec (modulation and FEC)
312 * ===========================
314 * MOD FEC mask/val standard
315 * ---- -------- ----------- --------
316 * QPSK FEC_1_2 0x02 0x02+X DVB-S
317 * QPSK FEC_2_3 0x04 0x02+X DVB-S
318 * QPSK FEC_3_4 0x08 0x02+X DVB-S
319 * QPSK FEC_4_5 0x10 0x02+X DVB-S (?)
320 * QPSK FEC_5_6 0x20 0x02+X DVB-S
321 * QPSK FEC_6_7 0x40 0x02+X DVB-S
322 * QPSK FEC_7_8 0x80 0x02+X DVB-S
323 * QPSK FEC_8_9 0x01 0x02+X DVB-S (?) (NOT SUPPORTED?)
324 * QPSK AUTO 0xff 0x02+X DVB-S
326 * For DVB-S high byte probably represents FEC
327 * and low byte selects the modulator. The high
328 * byte is search range mask. Bit 5 may turn
329 * on DVB-S and remaining bits represent some
330 * kind of calibration (how/what i do not know).
332 * Eg.(2/3) szap "Zone Horror"
334 * mask/val = 0x04, 0x20
335 * status 1f | signal c3c0 | snr a333 | ber 00000098 | unc 0 | FE_HAS_LOCK
337 * mask/val = 0x04, 0x30
338 * status 1f | signal c3c0 | snr a333 | ber 00000000 | unc 0 | FE_HAS_LOCK
340 * After tuning FECSTATUS contains actual FEC
341 * in use numbered 1 through to 8 for 1/2 .. 2/3 etc
343 * NBC=NOT/NON BACKWARD COMPATIBLE WITH DVB-S (DVB-S2 only)
345 * NBC-QPSK FEC_1_2 0x00, 0x04 DVB-S2
346 * NBC-QPSK FEC_3_5 0x00, 0x05 DVB-S2
347 * NBC-QPSK FEC_2_3 0x00, 0x06 DVB-S2
348 * NBC-QPSK FEC_3_4 0x00, 0x07 DVB-S2
349 * NBC-QPSK FEC_4_5 0x00, 0x08 DVB-S2
350 * NBC-QPSK FEC_5_6 0x00, 0x09 DVB-S2
351 * NBC-QPSK FEC_8_9 0x00, 0x0a DVB-S2
352 * NBC-QPSK FEC_9_10 0x00, 0x0b DVB-S2
354 * NBC-8PSK FEC_3_5 0x00, 0x0c DVB-S2
355 * NBC-8PSK FEC_2_3 0x00, 0x0d DVB-S2
356 * NBC-8PSK FEC_3_4 0x00, 0x0e DVB-S2
357 * NBC-8PSK FEC_5_6 0x00, 0x0f DVB-S2
358 * NBC-8PSK FEC_8_9 0x00, 0x10 DVB-S2
359 * NBC-8PSK FEC_9_10 0x00, 0x11 DVB-S2
361 * For DVB-S2 low bytes selects both modulator
362 * and FEC. High byte is meaningless here. To
363 * set pilot, bit 6 (0x40) is set. When inspecting
364 * FECSTATUS bit 7 (0x80) represents the pilot
365 * selection whilst not tuned. When tuned, actual FEC
366 * in use is found in FECSTATUS as per above. Pilot
370 /* A table of modulation, fec and configuration bytes for the demod.
371 * Not all S2 mmodulation schemes are support and not all rates with
372 * a scheme are support. Especially, no auto detect when in S2 mode.
374 static struct cx24116_modfec {
375 enum fe_delivery_system delivery_system;
376 enum fe_modulation modulation;
377 enum fe_code_rate fec;
378 u8 mask; /* In DVBS mode this is used to autodetect */
379 u8 val; /* Passed to the firmware to indicate mode selection */
380 } CX24116_MODFEC_MODES[] = {
381 /* QPSK. For unknown rates we set hardware to auto detect 0xfe 0x30 */
383 /*mod fec mask val */
384 { SYS_DVBS, QPSK, FEC_NONE, 0xfe, 0x30 },
385 { SYS_DVBS, QPSK, FEC_1_2, 0x02, 0x2e }, /* 00000010 00101110 */
386 { SYS_DVBS, QPSK, FEC_2_3, 0x04, 0x2f }, /* 00000100 00101111 */
387 { SYS_DVBS, QPSK, FEC_3_4, 0x08, 0x30 }, /* 00001000 00110000 */
388 { SYS_DVBS, QPSK, FEC_4_5, 0xfe, 0x30 }, /* 000?0000 ? */
389 { SYS_DVBS, QPSK, FEC_5_6, 0x20, 0x31 }, /* 00100000 00110001 */
390 { SYS_DVBS, QPSK, FEC_6_7, 0xfe, 0x30 }, /* 0?000000 ? */
391 { SYS_DVBS, QPSK, FEC_7_8, 0x80, 0x32 }, /* 10000000 00110010 */
392 { SYS_DVBS, QPSK, FEC_8_9, 0xfe, 0x30 }, /* 0000000? ? */
393 { SYS_DVBS, QPSK, FEC_AUTO, 0xfe, 0x30 },
395 { SYS_DVBS2, QPSK, FEC_1_2, 0x00, 0x04 },
396 { SYS_DVBS2, QPSK, FEC_3_5, 0x00, 0x05 },
397 { SYS_DVBS2, QPSK, FEC_2_3, 0x00, 0x06 },
398 { SYS_DVBS2, QPSK, FEC_3_4, 0x00, 0x07 },
399 { SYS_DVBS2, QPSK, FEC_4_5, 0x00, 0x08 },
400 { SYS_DVBS2, QPSK, FEC_5_6, 0x00, 0x09 },
401 { SYS_DVBS2, QPSK, FEC_8_9, 0x00, 0x0a },
402 { SYS_DVBS2, QPSK, FEC_9_10, 0x00, 0x0b },
404 { SYS_DVBS2, PSK_8, FEC_3_5, 0x00, 0x0c },
405 { SYS_DVBS2, PSK_8, FEC_2_3, 0x00, 0x0d },
406 { SYS_DVBS2, PSK_8, FEC_3_4, 0x00, 0x0e },
407 { SYS_DVBS2, PSK_8, FEC_5_6, 0x00, 0x0f },
408 { SYS_DVBS2, PSK_8, FEC_8_9, 0x00, 0x10 },
409 { SYS_DVBS2, PSK_8, FEC_9_10, 0x00, 0x11 },
411 * `val' can be found in the FECSTATUS register when tuning.
412 * FECSTATUS will give the actual FEC in use if tuning was successful.
416 static int cx24116_lookup_fecmod(struct cx24116_state *state,
417 enum fe_delivery_system d, enum fe_modulation m, enum fe_code_rate f)
419 int i, ret = -EOPNOTSUPP;
421 dprintk("%s(0x%02x,0x%02x)\n", __func__, m, f);
423 for (i = 0; i < ARRAY_SIZE(CX24116_MODFEC_MODES); i++) {
424 if ((d == CX24116_MODFEC_MODES[i].delivery_system) &&
425 (m == CX24116_MODFEC_MODES[i].modulation) &&
426 (f == CX24116_MODFEC_MODES[i].fec)) {
435 static int cx24116_set_fec(struct cx24116_state *state,
436 enum fe_delivery_system delsys,
437 enum fe_modulation mod,
438 enum fe_code_rate fec)
442 dprintk("%s(0x%02x,0x%02x)\n", __func__, mod, fec);
444 ret = cx24116_lookup_fecmod(state, delsys, mod, fec);
449 state->dnxt.fec = fec;
450 state->dnxt.fec_val = CX24116_MODFEC_MODES[ret].val;
451 state->dnxt.fec_mask = CX24116_MODFEC_MODES[ret].mask;
452 dprintk("%s() mask/val = 0x%02x/0x%02x\n", __func__,
453 state->dnxt.fec_mask, state->dnxt.fec_val);
458 static int cx24116_set_symbolrate(struct cx24116_state *state, u32 rate)
460 dprintk("%s(%d)\n", __func__, rate);
462 /* check if symbol rate is within limits */
463 if ((rate > state->frontend.ops.info.symbol_rate_max) ||
464 (rate < state->frontend.ops.info.symbol_rate_min)) {
465 dprintk("%s() unsupported symbol_rate = %d\n", __func__, rate);
469 state->dnxt.symbol_rate = rate;
470 dprintk("%s() symbol_rate = %d\n", __func__, rate);
475 static int cx24116_load_firmware(struct dvb_frontend *fe,
476 const struct firmware *fw);
478 static int cx24116_firmware_ondemand(struct dvb_frontend *fe)
480 struct cx24116_state *state = fe->demodulator_priv;
481 const struct firmware *fw;
484 dprintk("%s()\n", __func__);
486 if (cx24116_readreg(state, 0x20) > 0) {
488 if (state->skip_fw_load)
492 /* request the firmware, this will block until loaded */
493 printk(KERN_INFO "%s: Waiting for firmware upload (%s)...\n",
494 __func__, CX24116_DEFAULT_FIRMWARE);
495 ret = request_firmware(&fw, CX24116_DEFAULT_FIRMWARE,
496 state->i2c->dev.parent);
497 printk(KERN_INFO "%s: Waiting for firmware upload(2)...\n",
500 printk(KERN_ERR "%s: No firmware uploaded (timeout or file not found?)\n",
505 /* Make sure we don't recurse back through here
507 state->skip_fw_load = 1;
509 ret = cx24116_load_firmware(fe, fw);
511 printk(KERN_ERR "%s: Writing firmware to device failed\n",
514 release_firmware(fw);
516 printk(KERN_INFO "%s: Firmware upload %s\n", __func__,
517 ret == 0 ? "complete" : "failed");
519 /* Ensure firmware is always loaded if required */
520 state->skip_fw_load = 0;
526 /* Take a basic firmware command structure, format it
527 * and forward it for processing
529 static int cx24116_cmd_execute(struct dvb_frontend *fe, struct cx24116_cmd *cmd)
531 struct cx24116_state *state = fe->demodulator_priv;
534 dprintk("%s()\n", __func__);
536 /* Load the firmware if required */
537 ret = cx24116_firmware_ondemand(fe);
539 printk(KERN_ERR "%s(): Unable initialise the firmware\n",
544 /* Write the command */
545 for (i = 0; i < cmd->len ; i++) {
546 dprintk("%s: 0x%02x == 0x%02x\n", __func__, i, cmd->args[i]);
547 cx24116_writereg(state, i, cmd->args[i]);
550 /* Start execution and wait for cmd to terminate */
551 cx24116_writereg(state, CX24116_REG_EXECUTE, 0x01);
552 while (cx24116_readreg(state, CX24116_REG_EXECUTE)) {
555 /* Avoid looping forever if the firmware does
557 printk(KERN_WARNING "%s() Firmware not responding\n",
565 static int cx24116_load_firmware(struct dvb_frontend *fe,
566 const struct firmware *fw)
568 struct cx24116_state *state = fe->demodulator_priv;
569 struct cx24116_cmd cmd;
570 int i, ret, len, max, remaining;
571 unsigned char vers[4];
573 dprintk("%s\n", __func__);
574 dprintk("Firmware is %zu bytes (%02x %02x .. %02x %02x)\n",
578 fw->data[fw->size-2],
579 fw->data[fw->size-1]);
581 /* Toggle 88x SRST pin to reset demod */
582 if (state->config->reset_device)
583 state->config->reset_device(fe);
585 /* Begin the firmware load process */
586 /* Prepare the demod, load the firmware, cleanup after load */
589 cx24116_writereg(state, 0xE5, 0x00);
590 cx24116_writereg(state, 0xF1, 0x08);
591 cx24116_writereg(state, 0xF2, 0x13);
594 cx24116_writereg(state, 0xe0, 0x03);
595 cx24116_writereg(state, 0xe0, 0x00);
598 cx24116_writereg(state, CX24116_REG_CLKDIV, 0x46);
599 cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00);
602 cx24116_writereg(state, 0xF0, 0x03);
603 cx24116_writereg(state, 0xF4, 0x81);
604 cx24116_writereg(state, 0xF5, 0x00);
605 cx24116_writereg(state, 0xF6, 0x00);
607 /* Split firmware to the max I2C write len and write.
608 * Writes whole firmware as one write when i2c_wr_max is set to 0. */
609 if (state->config->i2c_wr_max)
610 max = state->config->i2c_wr_max;
612 max = INT_MAX; /* enough for 32k firmware */
614 for (remaining = fw->size; remaining > 0; remaining -= max - 1) {
619 cx24116_writeregN(state, 0xF7, &fw->data[fw->size - remaining],
623 cx24116_writereg(state, 0xF4, 0x10);
624 cx24116_writereg(state, 0xF0, 0x00);
625 cx24116_writereg(state, 0xF8, 0x06);
627 /* Firmware CMD 10: VCO config */
628 cmd.args[0x00] = CMD_SET_VCO;
629 cmd.args[0x01] = 0x05;
630 cmd.args[0x02] = 0xdc;
631 cmd.args[0x03] = 0xda;
632 cmd.args[0x04] = 0xae;
633 cmd.args[0x05] = 0xaa;
634 cmd.args[0x06] = 0x04;
635 cmd.args[0x07] = 0x9d;
636 cmd.args[0x08] = 0xfc;
637 cmd.args[0x09] = 0x06;
639 ret = cx24116_cmd_execute(fe, &cmd);
643 cx24116_writereg(state, CX24116_REG_SSTATUS, 0x00);
645 /* Firmware CMD 14: Tuner config */
646 cmd.args[0x00] = CMD_TUNERINIT;
647 cmd.args[0x01] = 0x00;
648 cmd.args[0x02] = 0x00;
650 ret = cx24116_cmd_execute(fe, &cmd);
654 cx24116_writereg(state, 0xe5, 0x00);
656 /* Firmware CMD 13: MPEG config */
657 cmd.args[0x00] = CMD_MPEGCONFIG;
658 cmd.args[0x01] = 0x01;
659 cmd.args[0x02] = 0x75;
660 cmd.args[0x03] = 0x00;
661 if (state->config->mpg_clk_pos_pol)
662 cmd.args[0x04] = state->config->mpg_clk_pos_pol;
664 cmd.args[0x04] = 0x02;
665 cmd.args[0x05] = 0x00;
667 ret = cx24116_cmd_execute(fe, &cmd);
671 /* Firmware CMD 35: Get firmware version */
672 cmd.args[0x00] = CMD_UPDFWVERS;
674 for (i = 0; i < 4; i++) {
676 ret = cx24116_cmd_execute(fe, &cmd);
679 vers[i] = cx24116_readreg(state, CX24116_REG_MAILBOX);
681 printk(KERN_INFO "%s: FW version %i.%i.%i.%i\n", __func__,
682 vers[0], vers[1], vers[2], vers[3]);
687 static int cx24116_read_status(struct dvb_frontend *fe, enum fe_status *status)
689 struct cx24116_state *state = fe->demodulator_priv;
691 int lock = cx24116_readreg(state, CX24116_REG_SSTATUS) &
694 dprintk("%s: status = 0x%02x\n", __func__, lock);
698 if (lock & CX24116_HAS_SIGNAL)
699 *status |= FE_HAS_SIGNAL;
700 if (lock & CX24116_HAS_CARRIER)
701 *status |= FE_HAS_CARRIER;
702 if (lock & CX24116_HAS_VITERBI)
703 *status |= FE_HAS_VITERBI;
704 if (lock & CX24116_HAS_SYNCLOCK)
705 *status |= FE_HAS_SYNC | FE_HAS_LOCK;
710 static int cx24116_read_ber(struct dvb_frontend *fe, u32 *ber)
712 struct cx24116_state *state = fe->demodulator_priv;
714 dprintk("%s()\n", __func__);
716 *ber = (cx24116_readreg(state, CX24116_REG_BER24) << 24) |
717 (cx24116_readreg(state, CX24116_REG_BER16) << 16) |
718 (cx24116_readreg(state, CX24116_REG_BER8) << 8) |
719 cx24116_readreg(state, CX24116_REG_BER0);
724 /* TODO Determine function and scale appropriately */
725 static int cx24116_read_signal_strength(struct dvb_frontend *fe,
726 u16 *signal_strength)
728 struct cx24116_state *state = fe->demodulator_priv;
729 struct cx24116_cmd cmd;
733 dprintk("%s()\n", __func__);
735 /* Firmware CMD 19: Get AGC */
736 cmd.args[0x00] = CMD_GETAGC;
738 ret = cx24116_cmd_execute(fe, &cmd);
743 (cx24116_readreg(state,
744 CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK) |
745 (cx24116_readreg(state, CX24116_REG_SIGNAL) << 6);
746 *signal_strength = 0 - sig_reading;
748 dprintk("%s: raw / cooked = 0x%04x / 0x%04x\n",
749 __func__, sig_reading, *signal_strength);
754 /* SNR (0..100)% = (sig & 0xf0) * 10 + (sig & 0x0f) * 10 / 16 */
755 static int cx24116_read_snr_pct(struct dvb_frontend *fe, u16 *snr)
757 struct cx24116_state *state = fe->demodulator_priv;
759 static const u32 snr_tab[] = { /* 10 x Table (rounded up) */
760 0x00000, 0x0199A, 0x03333, 0x04ccD, 0x06667,
761 0x08000, 0x0999A, 0x0b333, 0x0cccD, 0x0e667,
762 0x10000, 0x1199A, 0x13333, 0x14ccD, 0x16667,
765 dprintk("%s()\n", __func__);
767 snr_reading = cx24116_readreg(state, CX24116_REG_QUALITY0);
769 if (snr_reading >= 0xa0 /* 100% */)
772 *snr = snr_tab[(snr_reading & 0xf0) >> 4] +
773 (snr_tab[(snr_reading & 0x0f)] >> 4);
775 dprintk("%s: raw / cooked = 0x%02x / 0x%04x\n", __func__,
781 /* The reelbox patches show the value in the registers represents
782 * ESNO, from 0->30db (values 0->300). We provide this value by
785 static int cx24116_read_snr_esno(struct dvb_frontend *fe, u16 *snr)
787 struct cx24116_state *state = fe->demodulator_priv;
789 dprintk("%s()\n", __func__);
791 *snr = cx24116_readreg(state, CX24116_REG_QUALITY8) << 8 |
792 cx24116_readreg(state, CX24116_REG_QUALITY0);
794 dprintk("%s: raw 0x%04x\n", __func__, *snr);
799 static int cx24116_read_snr(struct dvb_frontend *fe, u16 *snr)
802 return cx24116_read_snr_esno(fe, snr);
804 return cx24116_read_snr_pct(fe, snr);
807 static int cx24116_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
809 struct cx24116_state *state = fe->demodulator_priv;
811 dprintk("%s()\n", __func__);
813 *ucblocks = (cx24116_readreg(state, CX24116_REG_UCB8) << 8) |
814 cx24116_readreg(state, CX24116_REG_UCB0);
819 /* Overwrite the current tuning params, we are about to tune */
820 static void cx24116_clone_params(struct dvb_frontend *fe)
822 struct cx24116_state *state = fe->demodulator_priv;
823 state->dcur = state->dnxt;
827 static int cx24116_wait_for_lnb(struct dvb_frontend *fe)
829 struct cx24116_state *state = fe->demodulator_priv;
832 dprintk("%s() qstatus = 0x%02x\n", __func__,
833 cx24116_readreg(state, CX24116_REG_QSTATUS));
835 /* Wait for up to 300 ms */
836 for (i = 0; i < 30 ; i++) {
837 if (cx24116_readreg(state, CX24116_REG_QSTATUS) & 0x20)
842 dprintk("%s(): LNB not ready\n", __func__);
844 return -ETIMEDOUT; /* -EBUSY ? */
847 static int cx24116_set_voltage(struct dvb_frontend *fe,
848 enum fe_sec_voltage voltage)
850 struct cx24116_cmd cmd;
853 dprintk("%s: %s\n", __func__,
854 voltage == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" :
855 voltage == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??");
857 /* Wait for LNB ready */
858 ret = cx24116_wait_for_lnb(fe);
862 /* Wait for voltage/min repeat delay */
865 cmd.args[0x00] = CMD_LNBDCLEVEL;
866 cmd.args[0x01] = (voltage == SEC_VOLTAGE_18 ? 0x01 : 0x00);
869 /* Min delay time before DiSEqC send */
872 return cx24116_cmd_execute(fe, &cmd);
875 static int cx24116_set_tone(struct dvb_frontend *fe,
876 enum fe_sec_tone_mode tone)
878 struct cx24116_cmd cmd;
881 dprintk("%s(%d)\n", __func__, tone);
882 if ((tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF)) {
883 printk(KERN_ERR "%s: Invalid, tone=%d\n", __func__, tone);
887 /* Wait for LNB ready */
888 ret = cx24116_wait_for_lnb(fe);
892 /* Min delay time after DiSEqC send */
893 msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */
895 /* Now we set the tone */
896 cmd.args[0x00] = CMD_SET_TONE;
897 cmd.args[0x01] = 0x00;
898 cmd.args[0x02] = 0x00;
902 dprintk("%s: setting tone on\n", __func__);
903 cmd.args[0x03] = 0x01;
906 dprintk("%s: setting tone off\n", __func__);
907 cmd.args[0x03] = 0x00;
912 /* Min delay time before DiSEqC send */
913 msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */
915 return cx24116_cmd_execute(fe, &cmd);
918 /* Initialise DiSEqC */
919 static int cx24116_diseqc_init(struct dvb_frontend *fe)
921 struct cx24116_state *state = fe->demodulator_priv;
922 struct cx24116_cmd cmd;
925 /* Firmware CMD 20: LNB/DiSEqC config */
926 cmd.args[0x00] = CMD_LNBCONFIG;
927 cmd.args[0x01] = 0x00;
928 cmd.args[0x02] = 0x10;
929 cmd.args[0x03] = 0x00;
930 cmd.args[0x04] = 0x8f;
931 cmd.args[0x05] = 0x28;
932 cmd.args[0x06] = (toneburst == CX24116_DISEQC_TONEOFF) ? 0x00 : 0x01;
933 cmd.args[0x07] = 0x01;
935 ret = cx24116_cmd_execute(fe, &cmd);
939 /* Prepare a DiSEqC command */
940 state->dsec_cmd.args[0x00] = CMD_LNBSEND;
943 state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A;
946 state->dsec_cmd.args[CX24116_DISEQC_ARG2_2] = 0x02;
947 state->dsec_cmd.args[CX24116_DISEQC_ARG3_0] = 0x00;
948 /* Continuation flag? */
949 state->dsec_cmd.args[CX24116_DISEQC_ARG4_0] = 0x00;
951 /* DiSEqC message length */
952 state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = 0x00;
955 state->dsec_cmd.len = CX24116_DISEQC_MSGOFS;
960 /* Send DiSEqC message with derived burst (hack) || previous burst */
961 static int cx24116_send_diseqc_msg(struct dvb_frontend *fe,
962 struct dvb_diseqc_master_cmd *d)
964 struct cx24116_state *state = fe->demodulator_priv;
967 /* Validate length */
968 if (d->msg_len > sizeof(d->msg))
971 /* Dump DiSEqC message */
973 printk(KERN_INFO "cx24116: %s(", __func__);
974 for (i = 0 ; i < d->msg_len ;) {
975 printk(KERN_INFO "0x%02x", d->msg[i]);
976 if (++i < d->msg_len)
977 printk(KERN_INFO ", ");
979 printk(") toneburst=%d\n", toneburst);
983 for (i = 0; i < d->msg_len; i++)
984 state->dsec_cmd.args[CX24116_DISEQC_MSGOFS + i] = d->msg[i];
986 /* DiSEqC message length */
987 state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = d->msg_len;
990 state->dsec_cmd.len = CX24116_DISEQC_MSGOFS +
991 state->dsec_cmd.args[CX24116_DISEQC_MSGLEN];
993 /* DiSEqC toneburst */
994 if (toneburst == CX24116_DISEQC_MESGCACHE)
995 /* Message is cached */
998 else if (toneburst == CX24116_DISEQC_TONEOFF)
999 /* Message is sent without burst */
1000 state->dsec_cmd.args[CX24116_DISEQC_BURST] = 0;
1002 else if (toneburst == CX24116_DISEQC_TONECACHE) {
1004 * Message is sent with derived else cached burst
1006 * WRITE PORT GROUP COMMAND 38
1008 * 0/A/A: E0 10 38 F0..F3
1009 * 1/B/B: E0 10 38 F4..F7
1010 * 2/C/A: E0 10 38 F8..FB
1011 * 3/D/B: E0 10 38 FC..FF
1013 * databyte[3]= 8421:8421
1017 * WX= PORT SELECT 0..3 (X=TONEBURST)
1018 * Y = VOLTAGE (0=13V, 1=18V)
1019 * Z = BAND (0=LOW, 1=HIGH(22K))
1021 if (d->msg_len >= 4 && d->msg[2] == 0x38)
1022 state->dsec_cmd.args[CX24116_DISEQC_BURST] =
1023 ((d->msg[3] & 4) >> 2);
1025 dprintk("%s burst=%d\n", __func__,
1026 state->dsec_cmd.args[CX24116_DISEQC_BURST]);
1029 /* Wait for LNB ready */
1030 ret = cx24116_wait_for_lnb(fe);
1034 /* Wait for voltage/min repeat delay */
1038 ret = cx24116_cmd_execute(fe, &state->dsec_cmd);
1045 * >15ms delay + (XXX determine if FW does this, see set_tone)
1049 * >15ms delay (XXX determine if FW does this, see set_tone)
1051 msleep((state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) +
1052 ((toneburst == CX24116_DISEQC_TONEOFF) ? 30 : 60));
1057 /* Send DiSEqC burst */
1058 static int cx24116_diseqc_send_burst(struct dvb_frontend *fe,
1059 enum fe_sec_mini_cmd burst)
1061 struct cx24116_state *state = fe->demodulator_priv;
1064 dprintk("%s(%d) toneburst=%d\n", __func__, burst, toneburst);
1067 if (burst == SEC_MINI_A)
1068 state->dsec_cmd.args[CX24116_DISEQC_BURST] =
1069 CX24116_DISEQC_MINI_A;
1070 else if (burst == SEC_MINI_B)
1071 state->dsec_cmd.args[CX24116_DISEQC_BURST] =
1072 CX24116_DISEQC_MINI_B;
1076 /* DiSEqC toneburst */
1077 if (toneburst != CX24116_DISEQC_MESGCACHE)
1078 /* Burst is cached */
1081 /* Burst is to be sent with cached message */
1083 /* Wait for LNB ready */
1084 ret = cx24116_wait_for_lnb(fe);
1088 /* Wait for voltage/min repeat delay */
1092 ret = cx24116_cmd_execute(fe, &state->dsec_cmd);
1100 * >15ms delay + (XXX determine if FW does this, see set_tone)
1104 * >15ms delay (XXX determine if FW does this, see set_tone)
1106 msleep((state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60);
1111 static void cx24116_release(struct dvb_frontend *fe)
1113 struct cx24116_state *state = fe->demodulator_priv;
1114 dprintk("%s\n", __func__);
1118 static const struct dvb_frontend_ops cx24116_ops;
1120 struct dvb_frontend *cx24116_attach(const struct cx24116_config *config,
1121 struct i2c_adapter *i2c)
1123 struct cx24116_state *state;
1126 dprintk("%s\n", __func__);
1128 /* allocate memory for the internal state */
1129 state = kzalloc(sizeof(*state), GFP_KERNEL);
1133 state->config = config;
1136 /* check if the demod is present */
1137 ret = (cx24116_readreg(state, 0xFF) << 8) |
1138 cx24116_readreg(state, 0xFE);
1139 if (ret != 0x0501) {
1140 printk(KERN_INFO "Invalid probe, probably not a CX24116 device\n");
1144 /* create dvb_frontend */
1145 memcpy(&state->frontend.ops, &cx24116_ops,
1146 sizeof(struct dvb_frontend_ops));
1147 state->frontend.demodulator_priv = state;
1148 return &state->frontend;
1150 error2: kfree(state);
1151 error1: return NULL;
1153 EXPORT_SYMBOL(cx24116_attach);
1156 * Initialise or wake up device
1158 * Power config will reset and load initial firmware if required
1160 static int cx24116_initfe(struct dvb_frontend *fe)
1162 struct cx24116_state *state = fe->demodulator_priv;
1163 struct cx24116_cmd cmd;
1166 dprintk("%s()\n", __func__);
1169 cx24116_writereg(state, 0xe0, 0);
1170 cx24116_writereg(state, 0xe1, 0);
1171 cx24116_writereg(state, 0xea, 0);
1173 /* Firmware CMD 36: Power config */
1174 cmd.args[0x00] = CMD_TUNERSLEEP;
1177 ret = cx24116_cmd_execute(fe, &cmd);
1181 ret = cx24116_diseqc_init(fe);
1185 /* HVR-4000 needs this */
1186 return cx24116_set_voltage(fe, SEC_VOLTAGE_13);
1190 * Put device to sleep
1192 static int cx24116_sleep(struct dvb_frontend *fe)
1194 struct cx24116_state *state = fe->demodulator_priv;
1195 struct cx24116_cmd cmd;
1198 dprintk("%s()\n", __func__);
1200 /* Firmware CMD 36: Power config */
1201 cmd.args[0x00] = CMD_TUNERSLEEP;
1204 ret = cx24116_cmd_execute(fe, &cmd);
1208 /* Power off (Shutdown clocks) */
1209 cx24116_writereg(state, 0xea, 0xff);
1210 cx24116_writereg(state, 0xe1, 1);
1211 cx24116_writereg(state, 0xe0, 1);
1216 /* dvb-core told us to tune, the tv property cache will be complete,
1217 * it's safe for is to pull values and use them for tuning purposes.
1219 static int cx24116_set_frontend(struct dvb_frontend *fe)
1221 struct cx24116_state *state = fe->demodulator_priv;
1222 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
1223 struct cx24116_cmd cmd;
1224 enum fe_status tunerstat;
1225 int i, status, ret, retune = 1;
1227 dprintk("%s()\n", __func__);
1229 switch (c->delivery_system) {
1231 dprintk("%s: DVB-S delivery system selected\n", __func__);
1233 /* Only QPSK is supported for DVB-S */
1234 if (c->modulation != QPSK) {
1235 dprintk("%s: unsupported modulation selected (%d)\n",
1236 __func__, c->modulation);
1240 /* Pilot doesn't exist in DVB-S, turn bit off */
1241 state->dnxt.pilot_val = CX24116_PILOT_OFF;
1243 /* DVB-S only supports 0.35 */
1244 if (c->rolloff != ROLLOFF_35) {
1245 dprintk("%s: unsupported rolloff selected (%d)\n",
1246 __func__, c->rolloff);
1249 state->dnxt.rolloff_val = CX24116_ROLLOFF_035;
1253 dprintk("%s: DVB-S2 delivery system selected\n", __func__);
1256 * NBC 8PSK/QPSK with DVB-S is supported for DVB-S2,
1257 * but not hardware auto detection
1259 if (c->modulation != PSK_8 && c->modulation != QPSK) {
1260 dprintk("%s: unsupported modulation selected (%d)\n",
1261 __func__, c->modulation);
1266 case PILOT_AUTO: /* Not supported but emulated */
1267 state->dnxt.pilot_val = (c->modulation == QPSK)
1268 ? CX24116_PILOT_OFF : CX24116_PILOT_ON;
1272 state->dnxt.pilot_val = CX24116_PILOT_OFF;
1275 state->dnxt.pilot_val = CX24116_PILOT_ON;
1278 dprintk("%s: unsupported pilot mode selected (%d)\n",
1279 __func__, c->pilot);
1283 switch (c->rolloff) {
1285 state->dnxt.rolloff_val = CX24116_ROLLOFF_020;
1288 state->dnxt.rolloff_val = CX24116_ROLLOFF_025;
1291 state->dnxt.rolloff_val = CX24116_ROLLOFF_035;
1293 case ROLLOFF_AUTO: /* Rolloff must be explicit */
1295 dprintk("%s: unsupported rolloff selected (%d)\n",
1296 __func__, c->rolloff);
1302 dprintk("%s: unsupported delivery system selected (%d)\n",
1303 __func__, c->delivery_system);
1306 state->dnxt.delsys = c->delivery_system;
1307 state->dnxt.modulation = c->modulation;
1308 state->dnxt.frequency = c->frequency;
1309 state->dnxt.pilot = c->pilot;
1310 state->dnxt.rolloff = c->rolloff;
1312 ret = cx24116_set_inversion(state, c->inversion);
1316 /* FEC_NONE/AUTO for DVB-S2 is not supported and detected here */
1317 ret = cx24116_set_fec(state, c->delivery_system, c->modulation, c->fec_inner);
1321 ret = cx24116_set_symbolrate(state, c->symbol_rate);
1325 /* discard the 'current' tuning parameters and prepare to tune */
1326 cx24116_clone_params(fe);
1328 dprintk("%s: delsys = %d\n", __func__, state->dcur.delsys);
1329 dprintk("%s: modulation = %d\n", __func__, state->dcur.modulation);
1330 dprintk("%s: frequency = %d\n", __func__, state->dcur.frequency);
1331 dprintk("%s: pilot = %d (val = 0x%02x)\n", __func__,
1332 state->dcur.pilot, state->dcur.pilot_val);
1333 dprintk("%s: retune = %d\n", __func__, retune);
1334 dprintk("%s: rolloff = %d (val = 0x%02x)\n", __func__,
1335 state->dcur.rolloff, state->dcur.rolloff_val);
1336 dprintk("%s: symbol_rate = %d\n", __func__, state->dcur.symbol_rate);
1337 dprintk("%s: FEC = %d (mask/val = 0x%02x/0x%02x)\n", __func__,
1338 state->dcur.fec, state->dcur.fec_mask, state->dcur.fec_val);
1339 dprintk("%s: Inversion = %d (val = 0x%02x)\n", __func__,
1340 state->dcur.inversion, state->dcur.inversion_val);
1342 /* This is also done in advise/acquire on HVR4000 but not on LITE */
1343 if (state->config->set_ts_params)
1344 state->config->set_ts_params(fe, 0);
1347 cmd.args[0x00] = CMD_BANDWIDTH;
1348 cmd.args[0x01] = 0x01;
1350 ret = cx24116_cmd_execute(fe, &cmd);
1354 /* Prepare a tune request */
1355 cmd.args[0x00] = CMD_TUNEREQUEST;
1358 cmd.args[0x01] = (state->dcur.frequency & 0xff0000) >> 16;
1359 cmd.args[0x02] = (state->dcur.frequency & 0x00ff00) >> 8;
1360 cmd.args[0x03] = (state->dcur.frequency & 0x0000ff);
1363 cmd.args[0x04] = ((state->dcur.symbol_rate / 1000) & 0xff00) >> 8;
1364 cmd.args[0x05] = ((state->dcur.symbol_rate / 1000) & 0x00ff);
1366 /* Automatic Inversion */
1367 cmd.args[0x06] = state->dcur.inversion_val;
1369 /* Modulation / FEC / Pilot */
1370 cmd.args[0x07] = state->dcur.fec_val | state->dcur.pilot_val;
1372 cmd.args[0x08] = CX24116_SEARCH_RANGE_KHZ >> 8;
1373 cmd.args[0x09] = CX24116_SEARCH_RANGE_KHZ & 0xff;
1374 cmd.args[0x0a] = 0x00;
1375 cmd.args[0x0b] = 0x00;
1376 cmd.args[0x0c] = state->dcur.rolloff_val;
1377 cmd.args[0x0d] = state->dcur.fec_mask;
1379 if (state->dcur.symbol_rate > 30000000) {
1380 cmd.args[0x0e] = 0x04;
1381 cmd.args[0x0f] = 0x00;
1382 cmd.args[0x10] = 0x01;
1383 cmd.args[0x11] = 0x77;
1384 cmd.args[0x12] = 0x36;
1385 cx24116_writereg(state, CX24116_REG_CLKDIV, 0x44);
1386 cx24116_writereg(state, CX24116_REG_RATEDIV, 0x01);
1388 cmd.args[0x0e] = 0x06;
1389 cmd.args[0x0f] = 0x00;
1390 cmd.args[0x10] = 0x00;
1391 cmd.args[0x11] = 0xFA;
1392 cmd.args[0x12] = 0x24;
1393 cx24116_writereg(state, CX24116_REG_CLKDIV, 0x46);
1394 cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00);
1399 /* We need to support pilot and non-pilot tuning in the
1400 * driver automatically. This is a workaround for because
1401 * the demod does not support autodetect.
1404 /* Reset status register */
1405 status = cx24116_readreg(state, CX24116_REG_SSTATUS)
1406 & CX24116_SIGNAL_MASK;
1407 cx24116_writereg(state, CX24116_REG_SSTATUS, status);
1410 ret = cx24116_cmd_execute(fe, &cmd);
1415 * Wait for up to 500 ms before retrying
1417 * If we are able to tune then generally it occurs within 100ms.
1418 * If it takes longer, try a different toneburst setting.
1420 for (i = 0; i < 50 ; i++) {
1421 cx24116_read_status(fe, &tunerstat);
1422 status = tunerstat & (FE_HAS_SIGNAL | FE_HAS_SYNC);
1423 if (status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) {
1424 dprintk("%s: Tuned\n", __func__);
1430 dprintk("%s: Not tuned\n", __func__);
1432 /* Toggle pilot bit when in auto-pilot */
1433 if (state->dcur.pilot == PILOT_AUTO)
1434 cmd.args[0x07] ^= CX24116_PILOT_ON;
1437 tuned: /* Set/Reset B/W */
1438 cmd.args[0x00] = CMD_BANDWIDTH;
1439 cmd.args[0x01] = 0x00;
1441 return cx24116_cmd_execute(fe, &cmd);
1444 static int cx24116_tune(struct dvb_frontend *fe, bool re_tune,
1445 unsigned int mode_flags, unsigned int *delay, enum fe_status *status)
1448 * It is safe to discard "params" here, as the DVB core will sync
1449 * fe->dtv_property_cache with fepriv->parameters_in, where the
1450 * DVBv3 params are stored. The only practical usage for it indicate
1451 * that re-tuning is needed, e. g. (fepriv->state & FESTATE_RETUNE) is
1457 int ret = cx24116_set_frontend(fe);
1461 return cx24116_read_status(fe, status);
1464 static int cx24116_get_algo(struct dvb_frontend *fe)
1466 return DVBFE_ALGO_HW;
1469 static const struct dvb_frontend_ops cx24116_ops = {
1470 .delsys = { SYS_DVBS, SYS_DVBS2 },
1472 .name = "Conexant CX24116/CX24118",
1473 .frequency_min = 950000,
1474 .frequency_max = 2150000,
1475 .frequency_stepsize = 1011, /* kHz for QPSK frontends */
1476 .frequency_tolerance = 5000,
1477 .symbol_rate_min = 1000000,
1478 .symbol_rate_max = 45000000,
1479 .caps = FE_CAN_INVERSION_AUTO |
1480 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
1481 FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
1482 FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
1483 FE_CAN_2G_MODULATION |
1484 FE_CAN_QPSK | FE_CAN_RECOVER
1487 .release = cx24116_release,
1489 .init = cx24116_initfe,
1490 .sleep = cx24116_sleep,
1491 .read_status = cx24116_read_status,
1492 .read_ber = cx24116_read_ber,
1493 .read_signal_strength = cx24116_read_signal_strength,
1494 .read_snr = cx24116_read_snr,
1495 .read_ucblocks = cx24116_read_ucblocks,
1496 .set_tone = cx24116_set_tone,
1497 .set_voltage = cx24116_set_voltage,
1498 .diseqc_send_master_cmd = cx24116_send_diseqc_msg,
1499 .diseqc_send_burst = cx24116_diseqc_send_burst,
1500 .get_frontend_algo = cx24116_get_algo,
1501 .tune = cx24116_tune,
1503 .set_frontend = cx24116_set_frontend,
1506 MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24116/cx24118 hardware");
1507 MODULE_AUTHOR("Steven Toth");
1508 MODULE_LICENSE("GPL");