2 * Driver for Silicon Labs Si2161 DVB-T and Si2165 DVB-C/-T Demodulator
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.
17 * http://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf
20 #include <linux/delay.h>
21 #include <linux/errno.h>
22 #include <linux/init.h>
23 #include <linux/kernel.h>
24 #include <linux/module.h>
25 #include <linux/string.h>
26 #include <linux/slab.h>
27 #include <linux/firmware.h>
28 #include <linux/regmap.h>
30 #include "dvb_frontend.h"
32 #include "si2165_priv.h"
36 * Hauppauge WinTV-HVR-930C-HD B130 / PCTV QuatroStick 521e 1113xx
39 * Hauppauge WinTV-HVR-930C-HD B131 / PCTV QuatroStick 522e 1114xx
40 * uses 24 MHz clock provided by tuner
44 struct i2c_client *client;
46 struct regmap *regmap;
48 struct dvb_frontend fe;
50 struct si2165_config config;
55 /* calculated by xtal and div settings */
65 #define DEBUG_OTHER 0x01
66 #define DEBUG_I2C_WRITE 0x02
67 #define DEBUG_I2C_READ 0x04
68 #define DEBUG_REG_READ 0x08
69 #define DEBUG_REG_WRITE 0x10
70 #define DEBUG_FW_LOAD 0x20
72 static int debug = 0x00;
74 #define dprintk(args...) \
76 if (debug & DEBUG_OTHER) \
77 printk(KERN_DEBUG "si2165: " args); \
80 #define deb_i2c_write(args...) \
82 if (debug & DEBUG_I2C_WRITE) \
83 printk(KERN_DEBUG "si2165: i2c write: " args); \
86 #define deb_i2c_read(args...) \
88 if (debug & DEBUG_I2C_READ) \
89 printk(KERN_DEBUG "si2165: i2c read: " args); \
92 #define deb_readreg(args...) \
94 if (debug & DEBUG_REG_READ) \
95 printk(KERN_DEBUG "si2165: reg read: " args); \
98 #define deb_writereg(args...) \
100 if (debug & DEBUG_REG_WRITE) \
101 printk(KERN_DEBUG "si2165: reg write: " args); \
104 #define deb_fw_load(args...) \
106 if (debug & DEBUG_FW_LOAD) \
107 printk(KERN_DEBUG "si2165: fw load: " args); \
110 static int si2165_write(struct si2165_state *state, const u16 reg,
111 const u8 *src, const int count)
115 if (debug & DEBUG_I2C_WRITE)
116 deb_i2c_write("reg: 0x%04x, data: %*ph\n", reg, count, src);
118 ret = regmap_bulk_write(state->regmap, reg, src, count);
121 dev_err(&state->client->dev, "%s: ret == %d\n", __func__, ret);
126 static int si2165_read(struct si2165_state *state,
127 const u16 reg, u8 *val, const int count)
129 int ret = regmap_bulk_read(state->regmap, reg, val, count);
132 dev_err(&state->client->dev, "%s: error (addr %02x reg %04x error (ret == %i)\n",
133 __func__, state->config.i2c_addr, reg, ret);
137 if (debug & DEBUG_I2C_READ)
138 deb_i2c_read("reg: 0x%04x, data: %*ph\n", reg, count, val);
143 static int si2165_readreg8(struct si2165_state *state,
144 const u16 reg, u8 *val)
146 unsigned int val_tmp;
147 int ret = regmap_read(state->regmap, reg, &val_tmp);
149 deb_readreg("R(0x%04x)=0x%02x\n", reg, *val);
153 static int si2165_readreg16(struct si2165_state *state,
154 const u16 reg, u16 *val)
158 int ret = si2165_read(state, reg, buf, 2);
159 *val = buf[0] | buf[1] << 8;
160 deb_readreg("R(0x%04x)=0x%04x\n", reg, *val);
164 static int si2165_writereg8(struct si2165_state *state, const u16 reg, u8 val)
166 return regmap_write(state->regmap, reg, val);
169 static int si2165_writereg16(struct si2165_state *state, const u16 reg, u16 val)
171 u8 buf[2] = { val & 0xff, (val >> 8) & 0xff };
173 return si2165_write(state, reg, buf, 2);
176 static int si2165_writereg24(struct si2165_state *state, const u16 reg, u32 val)
178 u8 buf[3] = { val & 0xff, (val >> 8) & 0xff, (val >> 16) & 0xff };
180 return si2165_write(state, reg, buf, 3);
183 static int si2165_writereg32(struct si2165_state *state, const u16 reg, u32 val)
191 return si2165_write(state, reg, buf, 4);
194 static int si2165_writereg_mask8(struct si2165_state *state, const u16 reg,
199 int ret = si2165_readreg8(state, reg, &tmp);
208 return si2165_writereg8(state, reg, val);
211 #define REG16(reg, val) { (reg), (val) & 0xff }, { (reg)+1, (val)>>8 & 0xff }
212 struct si2165_reg_value_pair {
217 static int si2165_write_reg_list(struct si2165_state *state,
218 const struct si2165_reg_value_pair *regs,
224 for (i = 0; i < count; i++) {
225 ret = si2165_writereg8(state, regs[i].reg, regs[i].val);
232 static int si2165_get_tune_settings(struct dvb_frontend *fe,
233 struct dvb_frontend_tune_settings *s)
235 s->min_delay_ms = 1000;
239 static int si2165_init_pll(struct si2165_state *state)
241 u32 ref_freq_Hz = state->config.ref_freq_Hz;
242 u8 divr = 1; /* 1..7 */
243 u8 divp = 1; /* only 1 or 4 */
244 u8 divn = 56; /* 1..63 */
250 * hardcoded values can be deleted if calculation is verified
251 * or it yields the same values as the windows driver
253 switch (ref_freq_Hz) {
263 /* ref_freq / divr must be between 4 and 16 MHz */
264 if (ref_freq_Hz > 16000000u)
268 * now select divn and divp such that
269 * fvco is in 1624..1824 MHz
271 if (1624000000u * divr > ref_freq_Hz * 2u * 63u)
274 /* is this already correct regarding rounding? */
275 divn = 1624000000u * divr / (ref_freq_Hz * 2u * divp);
279 /* adc_clk and sys_clk depend on xtal and pll settings */
280 state->fvco_hz = ref_freq_Hz / divr
282 state->adc_clk = state->fvco_hz / (divm * 4u);
283 state->sys_clk = state->fvco_hz / (divl * 2u);
285 /* write pll registers 0x00a0..0x00a3 at once */
288 buf[2] = (divn & 0x3f) | ((divp == 1) ? 0x40 : 0x00) | 0x80;
290 return si2165_write(state, 0x00a0, buf, 4);
293 static int si2165_adjust_pll_divl(struct si2165_state *state, u8 divl)
295 state->sys_clk = state->fvco_hz / (divl * 2u);
296 return si2165_writereg8(state, 0x00a0, divl); /* pll_divl */
299 static u32 si2165_get_fe_clk(struct si2165_state *state)
301 /* assume Oversampling mode Ovr4 is used */
302 return state->adc_clk;
305 static int si2165_wait_init_done(struct si2165_state *state)
311 for (i = 0; i < 3; ++i) {
312 si2165_readreg8(state, 0x0054, &val);
315 usleep_range(1000, 50000);
317 dev_err(&state->client->dev, "%s: init_done was not set\n",
322 static int si2165_upload_firmware_block(struct si2165_state *state,
323 const u8 *data, u32 len, u32 *poffset, u32 block_count)
326 u8 buf_ctrl[4] = { 0x00, 0x00, 0x00, 0xc0 };
329 u32 offset = poffset ? *poffset : 0;
337 "si2165_upload_firmware_block called with len=0x%x offset=0x%x blockcount=0x%x\n",
338 len, offset, block_count);
339 while (offset+12 <= len && cur_block < block_count) {
341 "si2165_upload_firmware_block in while len=0x%x offset=0x%x cur_block=0x%x blockcount=0x%x\n",
342 len, offset, cur_block, block_count);
343 wordcount = data[offset];
344 if (wordcount < 1 || data[offset+1] ||
345 data[offset+2] || data[offset+3]) {
346 dev_warn(&state->client->dev,
347 "%s: bad fw data[0..3] = %*ph\n",
348 KBUILD_MODNAME, 4, data);
352 if (offset + 8 + wordcount * 4 > len) {
353 dev_warn(&state->client->dev,
354 "%s: len is too small for block len=%d, wordcount=%d\n",
355 KBUILD_MODNAME, len, wordcount);
359 buf_ctrl[0] = wordcount - 1;
361 ret = si2165_write(state, 0x0364, buf_ctrl, 4);
364 ret = si2165_write(state, 0x0368, data+offset+4, 4);
370 while (wordcount > 0) {
371 ret = si2165_write(state, 0x36c, data+offset, 4);
381 "si2165_upload_firmware_block after while len=0x%x offset=0x%x cur_block=0x%x blockcount=0x%x\n",
382 len, offset, cur_block, block_count);
387 deb_fw_load("si2165_upload_firmware_block returned offset=0x%x\n",
395 static int si2165_upload_firmware(struct si2165_state *state)
402 const struct firmware *fw = NULL;
411 switch (state->chip_revcode) {
412 case 0x03: /* revision D */
413 fw_file = SI2165_FIRMWARE_REV_D;
416 dev_info(&state->client->dev, "%s: no firmware file for revision=%d\n",
417 KBUILD_MODNAME, state->chip_revcode);
421 /* request the firmware, this will block and timeout */
422 ret = request_firmware(&fw, fw_file, &state->client->dev);
424 dev_warn(&state->client->dev, "%s: firmware file '%s' not found\n",
425 KBUILD_MODNAME, fw_file);
432 dev_info(&state->client->dev, "%s: downloading firmware from file '%s' size=%d\n",
433 KBUILD_MODNAME, fw_file, len);
436 dev_warn(&state->client->dev, "%s: firmware size is not multiple of 4\n",
442 /* check header (8 bytes) */
444 dev_warn(&state->client->dev, "%s: firmware header is missing\n",
450 if (data[0] != 1 || data[1] != 0) {
451 dev_warn(&state->client->dev, "%s: firmware file version is wrong\n",
457 patch_version = data[2];
458 block_count = data[4];
459 crc_expected = data[7] << 8 | data[6];
461 /* start uploading fw */
462 /* boot/wdog status */
463 ret = si2165_writereg8(state, 0x0341, 0x00);
467 ret = si2165_writereg8(state, 0x00c0, 0x00);
470 /* boot/wdog status */
471 ret = si2165_readreg8(state, 0x0341, val);
475 /* enable reset on error */
476 ret = si2165_readreg8(state, 0x035c, val);
479 ret = si2165_readreg8(state, 0x035c, val);
482 ret = si2165_writereg8(state, 0x035c, 0x02);
486 /* start right after the header */
489 dev_info(&state->client->dev, "%s: si2165_upload_firmware extracted patch_version=0x%02x, block_count=0x%02x, crc_expected=0x%04x\n",
490 KBUILD_MODNAME, patch_version, block_count, crc_expected);
492 ret = si2165_upload_firmware_block(state, data, len, &offset, 1);
496 ret = si2165_writereg8(state, 0x0344, patch_version);
501 ret = si2165_writereg8(state, 0x0379, 0x01);
505 ret = si2165_upload_firmware_block(state, data, len,
506 &offset, block_count);
508 dev_err(&state->client->dev,
509 "%s: firmware could not be uploaded\n",
515 ret = si2165_readreg16(state, 0x037a, &val16);
519 if (val16 != crc_expected) {
520 dev_err(&state->client->dev,
521 "%s: firmware crc mismatch %04x != %04x\n",
522 KBUILD_MODNAME, val16, crc_expected);
527 ret = si2165_upload_firmware_block(state, data, len, &offset, 5);
532 dev_err(&state->client->dev,
533 "%s: firmware len mismatch %04x != %04x\n",
534 KBUILD_MODNAME, len, offset);
539 /* reset watchdog error register */
540 ret = si2165_writereg_mask8(state, 0x0341, 0x02, 0x02);
544 /* enable reset on error */
545 ret = si2165_writereg_mask8(state, 0x035c, 0x01, 0x01);
549 dev_info(&state->client->dev, "%s: fw load finished\n", KBUILD_MODNAME);
552 state->firmware_loaded = true;
555 release_firmware(fw);
562 static int si2165_init(struct dvb_frontend *fe)
565 struct si2165_state *state = fe->demodulator_priv;
567 u8 patch_version = 0x00;
569 dprintk("%s: called\n", __func__);
572 ret = si2165_writereg8(state, 0x0000, state->config.chip_mode);
575 /* dsp_clock_enable */
576 ret = si2165_writereg8(state, 0x0104, 0x01);
579 ret = si2165_readreg8(state, 0x0000, &val); /* verify chip_mode */
582 if (val != state->config.chip_mode) {
583 dev_err(&state->client->dev, "%s: could not set chip_mode\n",
589 ret = si2165_writereg8(state, 0x018b, 0x00);
592 ret = si2165_writereg8(state, 0x0190, 0x01);
595 ret = si2165_writereg8(state, 0x0170, 0x00);
598 ret = si2165_writereg8(state, 0x0171, 0x07);
602 ret = si2165_writereg8(state, 0x0646, 0x00);
605 ret = si2165_writereg8(state, 0x0641, 0x00);
609 ret = si2165_init_pll(state);
613 /* enable chip_init */
614 ret = si2165_writereg8(state, 0x0050, 0x01);
618 ret = si2165_writereg8(state, 0x0096, 0x01);
621 ret = si2165_wait_init_done(state);
625 /* disable chip_init */
626 ret = si2165_writereg8(state, 0x0050, 0x00);
631 ret = si2165_writereg16(state, 0x0470, 0x7530);
635 ret = si2165_readreg8(state, 0x0344, &patch_version);
639 ret = si2165_writereg8(state, 0x00cb, 0x00);
644 ret = si2165_writereg32(state, 0x0348, 0xf4000000);
647 /* boot/wdog status */
648 ret = si2165_readreg8(state, 0x0341, &val);
652 if (patch_version == 0x00) {
653 ret = si2165_upload_firmware(state);
658 /* ts output config */
659 ret = si2165_writereg8(state, 0x04e4, 0x20);
662 ret = si2165_writereg16(state, 0x04ef, 0x00fe);
665 ret = si2165_writereg24(state, 0x04f4, 0x555555);
668 ret = si2165_writereg8(state, 0x04e5, 0x01);
677 static int si2165_sleep(struct dvb_frontend *fe)
680 struct si2165_state *state = fe->demodulator_priv;
682 /* dsp clock disable */
683 ret = si2165_writereg8(state, 0x0104, 0x00);
687 ret = si2165_writereg8(state, 0x0000, SI2165_MODE_OFF);
693 static int si2165_read_status(struct dvb_frontend *fe, enum fe_status *status)
697 struct si2165_state *state = fe->demodulator_priv;
699 if (!state->has_dvbt)
703 ret = si2165_readreg8(state, 0x4e0, &fec_lock);
707 if (fec_lock & 0x01) {
708 *status |= FE_HAS_SIGNAL;
709 *status |= FE_HAS_CARRIER;
710 *status |= FE_HAS_VITERBI;
711 *status |= FE_HAS_SYNC;
712 *status |= FE_HAS_LOCK;
718 static int si2165_set_oversamp(struct si2165_state *state, u32 dvb_rate)
726 oversamp = si2165_get_fe_clk(state);
728 do_div(oversamp, dvb_rate);
729 reg_value = oversamp & 0x3fffffff;
731 dprintk("%s: Write oversamp=%#x\n", __func__, reg_value);
732 return si2165_writereg32(state, 0x00e4, reg_value);
735 static int si2165_set_if_freq_shift(struct si2165_state *state)
737 struct dvb_frontend *fe = &state->fe;
740 u32 fe_clk = si2165_get_fe_clk(state);
743 if (!fe->ops.tuner_ops.get_if_frequency) {
744 dev_err(&state->client->dev,
745 "%s: Error: get_if_frequency() not defined at tuner. Can't work without it!\n",
753 fe->ops.tuner_ops.get_if_frequency(fe, &IF);
755 if_freq_shift <<= 29;
757 do_div(if_freq_shift, fe_clk);
758 reg_value = (s32)if_freq_shift;
760 if (state->config.inversion)
761 reg_value = -reg_value;
763 reg_value = reg_value & 0x1fffffff;
765 /* if_freq_shift, usbdump contained 0x023ee08f; */
766 return si2165_writereg32(state, 0x00e8, reg_value);
769 static const struct si2165_reg_value_pair dvbt_regs[] = {
770 /* standard = DVB-T */
773 /* impulsive_noise_remover */
786 /* freq_sync_range */
787 REG16(0x030c, 0x0064),
792 static int si2165_set_frontend_dvbt(struct dvb_frontend *fe)
795 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
796 struct si2165_state *state = fe->demodulator_priv;
799 u32 bw_hz = p->bandwidth_hz;
801 dprintk("%s: called\n", __func__);
803 if (!state->has_dvbt)
806 /* no bandwidth auto-detection */
810 dvb_rate = bw_hz * 8 / 7;
811 bw10k = bw_hz / 10000;
813 ret = si2165_adjust_pll_divl(state, 12);
817 /* bandwidth in 10KHz steps */
818 ret = si2165_writereg16(state, 0x0308, bw10k);
821 ret = si2165_set_oversamp(state, dvb_rate);
825 ret = si2165_write_reg_list(state, dvbt_regs, ARRAY_SIZE(dvbt_regs));
832 static const struct si2165_reg_value_pair dvbc_regs[] = {
833 /* standard = DVB-C */
852 REG16(0x0350, 0x3e80),
856 REG16(0x024c, 0x0000),
857 REG16(0x027c, 0x0000),
863 static int si2165_set_frontend_dvbc(struct dvb_frontend *fe)
865 struct si2165_state *state = fe->demodulator_priv;
867 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
868 const u32 dvb_rate = p->symbol_rate;
869 const u32 bw_hz = p->bandwidth_hz;
871 if (!state->has_dvbc)
877 ret = si2165_adjust_pll_divl(state, 14);
882 ret = si2165_set_oversamp(state, dvb_rate);
886 ret = si2165_writereg32(state, 0x00c4, bw_hz);
890 ret = si2165_write_reg_list(state, dvbc_regs, ARRAY_SIZE(dvbc_regs));
897 static const struct si2165_reg_value_pair agc_rewrite[] = {
905 static int si2165_set_frontend(struct dvb_frontend *fe)
907 struct si2165_state *state = fe->demodulator_priv;
908 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
909 u32 delsys = p->delivery_system;
913 /* initial setting of if freq shift */
914 ret = si2165_set_if_freq_shift(state);
920 ret = si2165_set_frontend_dvbt(fe);
924 case SYS_DVBC_ANNEX_A:
925 ret = si2165_set_frontend_dvbc(fe);
934 ret = si2165_writereg32(state, 0x0348, 0xf4000000);
938 if (fe->ops.tuner_ops.set_params)
939 fe->ops.tuner_ops.set_params(fe);
941 /* recalc if_freq_shift if IF might has changed */
942 ret = si2165_set_if_freq_shift(state);
946 /* boot/wdog status */
947 ret = si2165_readreg8(state, 0x0341, val);
950 ret = si2165_writereg8(state, 0x0341, 0x00);
955 ret = si2165_writereg8(state, 0x00c0, 0x00);
959 ret = si2165_writereg32(state, 0x0384, 0x00000000);
963 /* write adc values after each reset*/
964 ret = si2165_write_reg_list(state, agc_rewrite,
965 ARRAY_SIZE(agc_rewrite));
970 ret = si2165_writereg8(state, 0x02e0, 0x01);
973 /* boot/wdog status */
974 ret = si2165_readreg8(state, 0x0341, val);
981 static const struct dvb_frontend_ops si2165_ops = {
983 .name = "Silicon Labs ",
985 .symbol_rate_min = 1000000,
986 .symbol_rate_max = 7200000,
988 .frequency_stepsize = 166667,
989 .caps = FE_CAN_FEC_1_2 |
1002 FE_CAN_GUARD_INTERVAL_AUTO |
1003 FE_CAN_HIERARCHY_AUTO |
1005 FE_CAN_TRANSMISSION_MODE_AUTO |
1009 .get_tune_settings = si2165_get_tune_settings,
1011 .init = si2165_init,
1012 .sleep = si2165_sleep,
1014 .set_frontend = si2165_set_frontend,
1015 .read_status = si2165_read_status,
1018 static int si2165_probe(struct i2c_client *client,
1019 const struct i2c_device_id *id)
1021 struct si2165_state *state = NULL;
1022 struct si2165_platform_data *pdata = client->dev.platform_data;
1027 const char *chip_name;
1028 static const struct regmap_config regmap_config = {
1031 .max_register = 0x08ff,
1034 /* allocate memory for the internal state */
1035 state = kzalloc(sizeof(struct si2165_state), GFP_KERNEL);
1036 if (state == NULL) {
1042 state->regmap = devm_regmap_init_i2c(client, ®map_config);
1043 if (IS_ERR(state->regmap)) {
1044 ret = PTR_ERR(state->regmap);
1048 /* setup the state */
1049 state->client = client;
1050 state->config.i2c_addr = client->addr;
1051 state->config.chip_mode = pdata->chip_mode;
1052 state->config.ref_freq_Hz = pdata->ref_freq_Hz;
1053 state->config.inversion = pdata->inversion;
1055 if (state->config.ref_freq_Hz < 4000000
1056 || state->config.ref_freq_Hz > 27000000) {
1057 dev_err(&state->client->dev, "%s: ref_freq of %d Hz not supported by this driver\n",
1058 KBUILD_MODNAME, state->config.ref_freq_Hz);
1063 /* create dvb_frontend */
1064 memcpy(&state->fe.ops, &si2165_ops,
1065 sizeof(struct dvb_frontend_ops));
1066 state->fe.ops.release = NULL;
1067 state->fe.demodulator_priv = state;
1068 i2c_set_clientdata(client, state);
1071 ret = si2165_writereg8(state, 0x0000, state->config.chip_mode);
1075 ret = si2165_readreg8(state, 0x0000, &val);
1078 if (val != state->config.chip_mode)
1081 ret = si2165_readreg8(state, 0x0023, &state->chip_revcode);
1085 ret = si2165_readreg8(state, 0x0118, &state->chip_type);
1090 ret = si2165_writereg8(state, 0x0000, SI2165_MODE_OFF);
1094 if (state->chip_revcode < 26)
1095 rev_char = 'A' + state->chip_revcode;
1099 switch (state->chip_type) {
1101 chip_name = "Si2161";
1102 state->has_dvbt = true;
1105 chip_name = "Si2165";
1106 state->has_dvbt = true;
1107 state->has_dvbc = true;
1110 dev_err(&state->client->dev, "%s: Unsupported Silicon Labs chip (type %d, rev %d)\n",
1111 KBUILD_MODNAME, state->chip_type, state->chip_revcode);
1115 dev_info(&state->client->dev,
1116 "%s: Detected Silicon Labs %s-%c (type %d, rev %d)\n",
1117 KBUILD_MODNAME, chip_name, rev_char, state->chip_type,
1118 state->chip_revcode);
1120 strlcat(state->fe.ops.info.name, chip_name,
1121 sizeof(state->fe.ops.info.name));
1124 if (state->has_dvbt) {
1125 state->fe.ops.delsys[n++] = SYS_DVBT;
1126 strlcat(state->fe.ops.info.name, " DVB-T",
1127 sizeof(state->fe.ops.info.name));
1129 if (state->has_dvbc) {
1130 state->fe.ops.delsys[n++] = SYS_DVBC_ANNEX_A;
1131 strlcat(state->fe.ops.info.name, " DVB-C",
1132 sizeof(state->fe.ops.info.name));
1135 /* return fe pointer */
1136 *pdata->fe = &state->fe;
1144 dev_dbg(&client->dev, "failed=%d\n", ret);
1148 static int si2165_remove(struct i2c_client *client)
1150 struct si2165_state *state = i2c_get_clientdata(client);
1152 dev_dbg(&client->dev, "\n");
1158 static const struct i2c_device_id si2165_id_table[] = {
1162 MODULE_DEVICE_TABLE(i2c, si2165_id_table);
1164 static struct i2c_driver si2165_driver = {
1166 .owner = THIS_MODULE,
1169 .probe = si2165_probe,
1170 .remove = si2165_remove,
1171 .id_table = si2165_id_table,
1174 module_i2c_driver(si2165_driver);
1176 module_param(debug, int, 0644);
1177 MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
1179 MODULE_DESCRIPTION("Silicon Labs Si2165 DVB-C/-T Demodulator driver");
1181 MODULE_LICENSE("GPL");
1182 MODULE_FIRMWARE(SI2165_FIRMWARE_REV_D);