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0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003     Frontend/Card driver for TwinHan DST Frontend
0004     Copyright (C) 2003 Jamie Honan
0005     Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
0006 
0007 */
0008 
0009 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
0010 
0011 #include <linux/kernel.h>
0012 #include <linux/module.h>
0013 #include <linux/init.h>
0014 #include <linux/string.h>
0015 #include <linux/slab.h>
0016 #include <linux/vmalloc.h>
0017 #include <linux/delay.h>
0018 #include <asm/div64.h>
0019 #include <media/dvb_frontend.h>
0020 #include "dst_priv.h"
0021 #include "dst_common.h"
0022 
0023 static unsigned int verbose;
0024 module_param(verbose, int, 0644);
0025 MODULE_PARM_DESC(verbose, "verbosity level (0 to 3)");
0026 
0027 static unsigned int dst_addons;
0028 module_param(dst_addons, int, 0644);
0029 MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
0030 
0031 static unsigned int dst_algo;
0032 module_param(dst_algo, int, 0644);
0033 MODULE_PARM_DESC(dst_algo, "tuning algo: default is 0=(SW), 1=(HW)");
0034 
0035 #define HAS_LOCK        1
0036 #define ATTEMPT_TUNE        2
0037 #define HAS_POWER       4
0038 
0039 #define dprintk(level, fmt, arg...) do {                \
0040     if (level >= verbose)                       \
0041         printk(KERN_DEBUG pr_fmt("%s: " fmt),           \
0042                __func__, ##arg);                \
0043 } while(0)
0044 
0045 static int dst_command(struct dst_state *state, u8 *data, u8 len);
0046 
0047 static void dst_packsize(struct dst_state *state, int psize)
0048 {
0049     union dst_gpio_packet bits;
0050 
0051     bits.psize = psize;
0052     bt878_device_control(state->bt, DST_IG_TS, &bits);
0053 }
0054 
0055 static int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb,
0056              u32 outhigh, int delay)
0057 {
0058     union dst_gpio_packet enb;
0059     union dst_gpio_packet bits;
0060     int err;
0061 
0062     enb.enb.mask = mask;
0063     enb.enb.enable = enbb;
0064 
0065     dprintk(2, "mask=[%04x], enbb=[%04x], outhigh=[%04x]\n",
0066         mask, enbb, outhigh);
0067     if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
0068         dprintk(2, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)\n",
0069             err, mask, enbb);
0070         return -EREMOTEIO;
0071     }
0072     udelay(1000);
0073     /* because complete disabling means no output, no need to do output packet */
0074     if (enbb == 0)
0075         return 0;
0076     if (delay)
0077         msleep(10);
0078     bits.outp.mask = enbb;
0079     bits.outp.highvals = outhigh;
0080     if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
0081         dprintk(2, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)\n",
0082             err, enbb, outhigh);
0083         return -EREMOTEIO;
0084     }
0085 
0086     return 0;
0087 }
0088 
0089 static int dst_gpio_inb(struct dst_state *state, u8 *result)
0090 {
0091     union dst_gpio_packet rd_packet;
0092     int err;
0093 
0094     *result = 0;
0095     if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
0096         pr_err("dst_gpio_inb error (err == %i)\n", err);
0097         return -EREMOTEIO;
0098     }
0099     *result = (u8) rd_packet.rd.value;
0100 
0101     return 0;
0102 }
0103 
0104 int rdc_reset_state(struct dst_state *state)
0105 {
0106     dprintk(2, "Resetting state machine\n");
0107     if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
0108         pr_err("dst_gpio_outb ERROR !\n");
0109         return -1;
0110     }
0111     msleep(10);
0112     if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
0113         pr_err("dst_gpio_outb ERROR !\n");
0114         msleep(10);
0115         return -1;
0116     }
0117 
0118     return 0;
0119 }
0120 EXPORT_SYMBOL(rdc_reset_state);
0121 
0122 static int rdc_8820_reset(struct dst_state *state)
0123 {
0124     dprintk(3, "Resetting DST\n");
0125     if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
0126         pr_err("dst_gpio_outb ERROR !\n");
0127         return -1;
0128     }
0129     udelay(1000);
0130     if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
0131         pr_err("dst_gpio_outb ERROR !\n");
0132         return -1;
0133     }
0134 
0135     return 0;
0136 }
0137 
0138 static int dst_pio_enable(struct dst_state *state)
0139 {
0140     if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
0141         pr_err("dst_gpio_outb ERROR !\n");
0142         return -1;
0143     }
0144     udelay(1000);
0145 
0146     return 0;
0147 }
0148 
0149 int dst_pio_disable(struct dst_state *state)
0150 {
0151     if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
0152         pr_err("dst_gpio_outb ERROR !\n");
0153         return -1;
0154     }
0155     if (state->type_flags & DST_TYPE_HAS_FW_1)
0156         udelay(1000);
0157 
0158     return 0;
0159 }
0160 EXPORT_SYMBOL(dst_pio_disable);
0161 
0162 int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
0163 {
0164     u8 reply;
0165     int i;
0166 
0167     for (i = 0; i < 200; i++) {
0168         if (dst_gpio_inb(state, &reply) < 0) {
0169             pr_err("dst_gpio_inb ERROR !\n");
0170             return -1;
0171         }
0172         if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
0173             dprintk(2, "dst wait ready after %d\n", i);
0174             return 1;
0175         }
0176         msleep(10);
0177     }
0178     dprintk(1, "dst wait NOT ready after %d\n", i);
0179 
0180     return 0;
0181 }
0182 EXPORT_SYMBOL(dst_wait_dst_ready);
0183 
0184 int dst_error_recovery(struct dst_state *state)
0185 {
0186     dprintk(1, "Trying to return from previous errors.\n");
0187     dst_pio_disable(state);
0188     msleep(10);
0189     dst_pio_enable(state);
0190     msleep(10);
0191 
0192     return 0;
0193 }
0194 EXPORT_SYMBOL(dst_error_recovery);
0195 
0196 int dst_error_bailout(struct dst_state *state)
0197 {
0198     dprintk(2, "Trying to bailout from previous error.\n");
0199     rdc_8820_reset(state);
0200     dst_pio_disable(state);
0201     msleep(10);
0202 
0203     return 0;
0204 }
0205 EXPORT_SYMBOL(dst_error_bailout);
0206 
0207 int dst_comm_init(struct dst_state *state)
0208 {
0209     dprintk(2, "Initializing DST.\n");
0210     if ((dst_pio_enable(state)) < 0) {
0211         pr_err("PIO Enable Failed\n");
0212         return -1;
0213     }
0214     if ((rdc_reset_state(state)) < 0) {
0215         pr_err("RDC 8820 State RESET Failed.\n");
0216         return -1;
0217     }
0218     if (state->type_flags & DST_TYPE_HAS_FW_1)
0219         msleep(100);
0220     else
0221         msleep(5);
0222 
0223     return 0;
0224 }
0225 EXPORT_SYMBOL(dst_comm_init);
0226 
0227 int write_dst(struct dst_state *state, u8 *data, u8 len)
0228 {
0229     struct i2c_msg msg = {
0230         .addr = state->config->demod_address,
0231         .flags = 0,
0232         .buf = data,
0233         .len = len
0234     };
0235 
0236     int err;
0237     u8 cnt;
0238 
0239     dprintk(1, "writing [ %*ph ]\n", len, data);
0240 
0241     for (cnt = 0; cnt < 2; cnt++) {
0242         if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
0243             dprintk(2, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n",
0244                 err, len, data[0]);
0245             dst_error_recovery(state);
0246             continue;
0247         } else
0248             break;
0249     }
0250     if (cnt >= 2) {
0251         dprintk(2, "RDC 8820 RESET\n");
0252         dst_error_bailout(state);
0253 
0254         return -1;
0255     }
0256 
0257     return 0;
0258 }
0259 EXPORT_SYMBOL(write_dst);
0260 
0261 int read_dst(struct dst_state *state, u8 *ret, u8 len)
0262 {
0263     struct i2c_msg msg = {
0264         .addr = state->config->demod_address,
0265         .flags = I2C_M_RD,
0266         .buf = ret,
0267         .len = len
0268     };
0269 
0270     int err;
0271     int cnt;
0272 
0273     for (cnt = 0; cnt < 2; cnt++) {
0274         if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
0275             dprintk(2, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n",
0276                 err, len, ret[0]);
0277             dst_error_recovery(state);
0278             continue;
0279         } else
0280             break;
0281     }
0282     if (cnt >= 2) {
0283         dprintk(2, "RDC 8820 RESET\n");
0284         dst_error_bailout(state);
0285 
0286         return -1;
0287     }
0288     dprintk(3, "reply is %*ph\n", len, ret);
0289 
0290     return 0;
0291 }
0292 EXPORT_SYMBOL(read_dst);
0293 
0294 static int dst_set_polarization(struct dst_state *state)
0295 {
0296     switch (state->voltage) {
0297     case SEC_VOLTAGE_13:    /*  Vertical    */
0298         dprintk(2, "Polarization=[Vertical]\n");
0299         state->tx_tuna[8] &= ~0x40;
0300         break;
0301     case SEC_VOLTAGE_18:    /*  Horizontal  */
0302         dprintk(2, "Polarization=[Horizontal]\n");
0303         state->tx_tuna[8] |= 0x40;
0304         break;
0305     case SEC_VOLTAGE_OFF:
0306         break;
0307     }
0308 
0309     return 0;
0310 }
0311 
0312 static int dst_set_freq(struct dst_state *state, u32 freq)
0313 {
0314     state->frequency = freq;
0315     dprintk(2, "set Frequency %u\n", freq);
0316 
0317     if (state->dst_type == DST_TYPE_IS_SAT) {
0318         freq = freq / 1000;
0319         if (freq < 950 || freq > 2150)
0320             return -EINVAL;
0321         state->tx_tuna[2] = (freq >> 8);
0322         state->tx_tuna[3] = (u8) freq;
0323         state->tx_tuna[4] = 0x01;
0324         state->tx_tuna[8] &= ~0x04;
0325         if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
0326             if (freq < 1531)
0327                 state->tx_tuna[8] |= 0x04;
0328         }
0329     } else if (state->dst_type == DST_TYPE_IS_TERR) {
0330         freq = freq / 1000;
0331         if (freq < 137000 || freq > 858000)
0332             return -EINVAL;
0333         state->tx_tuna[2] = (freq >> 16) & 0xff;
0334         state->tx_tuna[3] = (freq >> 8) & 0xff;
0335         state->tx_tuna[4] = (u8) freq;
0336     } else if (state->dst_type == DST_TYPE_IS_CABLE) {
0337         freq = freq / 1000;
0338         state->tx_tuna[2] = (freq >> 16) & 0xff;
0339         state->tx_tuna[3] = (freq >> 8) & 0xff;
0340         state->tx_tuna[4] = (u8) freq;
0341     } else if (state->dst_type == DST_TYPE_IS_ATSC) {
0342         freq = freq / 1000;
0343         if (freq < 51000 || freq > 858000)
0344             return -EINVAL;
0345         state->tx_tuna[2] = (freq >> 16) & 0xff;
0346         state->tx_tuna[3] = (freq >>  8) & 0xff;
0347         state->tx_tuna[4] = (u8) freq;
0348         state->tx_tuna[5] = 0x00;       /*  ATSC    */
0349         state->tx_tuna[6] = 0x00;
0350         if (state->dst_hw_cap & DST_TYPE_HAS_ANALOG)
0351             state->tx_tuna[7] = 0x00;   /*  Digital */
0352     } else
0353         return -EINVAL;
0354 
0355     return 0;
0356 }
0357 
0358 static int dst_set_bandwidth(struct dst_state *state, u32 bandwidth)
0359 {
0360     state->bandwidth = bandwidth;
0361 
0362     if (state->dst_type != DST_TYPE_IS_TERR)
0363         return -EOPNOTSUPP;
0364 
0365     switch (bandwidth) {
0366     case 6000000:
0367         if (state->dst_hw_cap & DST_TYPE_HAS_CA)
0368             state->tx_tuna[7] = 0x06;
0369         else {
0370             state->tx_tuna[6] = 0x06;
0371             state->tx_tuna[7] = 0x00;
0372         }
0373         break;
0374     case 7000000:
0375         if (state->dst_hw_cap & DST_TYPE_HAS_CA)
0376             state->tx_tuna[7] = 0x07;
0377         else {
0378             state->tx_tuna[6] = 0x07;
0379             state->tx_tuna[7] = 0x00;
0380         }
0381         break;
0382     case 8000000:
0383         if (state->dst_hw_cap & DST_TYPE_HAS_CA)
0384             state->tx_tuna[7] = 0x08;
0385         else {
0386             state->tx_tuna[6] = 0x08;
0387             state->tx_tuna[7] = 0x00;
0388         }
0389         break;
0390     default:
0391         return -EINVAL;
0392     }
0393 
0394     return 0;
0395 }
0396 
0397 static int dst_set_inversion(struct dst_state *state,
0398                  enum fe_spectral_inversion inversion)
0399 {
0400     state->inversion = inversion;
0401     switch (inversion) {
0402     case INVERSION_OFF: /*  Inversion = Normal  */
0403         state->tx_tuna[8] &= ~0x80;
0404         break;
0405     case INVERSION_ON:
0406         state->tx_tuna[8] |= 0x80;
0407         break;
0408     default:
0409         return -EINVAL;
0410     }
0411 
0412     return 0;
0413 }
0414 
0415 static int dst_set_fec(struct dst_state *state, enum fe_code_rate fec)
0416 {
0417     state->fec = fec;
0418     return 0;
0419 }
0420 
0421 static enum fe_code_rate dst_get_fec(struct dst_state *state)
0422 {
0423     return state->fec;
0424 }
0425 
0426 static int dst_set_symbolrate(struct dst_state *state, u32 srate)
0427 {
0428     u32 symcalc;
0429     u64 sval;
0430 
0431     state->symbol_rate = srate;
0432     if (state->dst_type == DST_TYPE_IS_TERR) {
0433         return -EOPNOTSUPP;
0434     }
0435     dprintk(2, "set symrate %u\n", srate);
0436     srate /= 1000;
0437     if (state->dst_type == DST_TYPE_IS_SAT) {
0438         if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
0439             sval = srate;
0440             sval <<= 20;
0441             do_div(sval, 88000);
0442             symcalc = (u32) sval;
0443             dprintk(2, "set symcalc %u\n", symcalc);
0444             state->tx_tuna[5] = (u8) (symcalc >> 12);
0445             state->tx_tuna[6] = (u8) (symcalc >> 4);
0446             state->tx_tuna[7] = (u8) (symcalc << 4);
0447         } else {
0448             state->tx_tuna[5] = (u8) (srate >> 16) & 0x7f;
0449             state->tx_tuna[6] = (u8) (srate >> 8);
0450             state->tx_tuna[7] = (u8) srate;
0451         }
0452         state->tx_tuna[8] &= ~0x20;
0453         if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
0454             if (srate > 8000)
0455                 state->tx_tuna[8] |= 0x20;
0456         }
0457     } else if (state->dst_type == DST_TYPE_IS_CABLE) {
0458         dprintk(3, "%s\n", state->fw_name);
0459         if (!strncmp(state->fw_name, "DCTNEW", 6)) {
0460             state->tx_tuna[5] = (u8) (srate >> 8);
0461             state->tx_tuna[6] = (u8) srate;
0462             state->tx_tuna[7] = 0x00;
0463         } else if (!strncmp(state->fw_name, "DCT-CI", 6)) {
0464             state->tx_tuna[5] = 0x00;
0465             state->tx_tuna[6] = (u8) (srate >> 8);
0466             state->tx_tuna[7] = (u8) srate;
0467         }
0468     }
0469     return 0;
0470 }
0471 
0472 static int dst_set_modulation(struct dst_state *state,
0473                   enum fe_modulation modulation)
0474 {
0475     if (state->dst_type != DST_TYPE_IS_CABLE)
0476         return -EOPNOTSUPP;
0477 
0478     state->modulation = modulation;
0479     switch (modulation) {
0480     case QAM_16:
0481         state->tx_tuna[8] = 0x10;
0482         break;
0483     case QAM_32:
0484         state->tx_tuna[8] = 0x20;
0485         break;
0486     case QAM_64:
0487         state->tx_tuna[8] = 0x40;
0488         break;
0489     case QAM_128:
0490         state->tx_tuna[8] = 0x80;
0491         break;
0492     case QAM_256:
0493         if (!strncmp(state->fw_name, "DCTNEW", 6))
0494             state->tx_tuna[8] = 0xff;
0495         else if (!strncmp(state->fw_name, "DCT-CI", 6))
0496             state->tx_tuna[8] = 0x00;
0497         break;
0498     case QPSK:
0499     case QAM_AUTO:
0500     case VSB_8:
0501     case VSB_16:
0502     default:
0503         return -EINVAL;
0504 
0505     }
0506 
0507     return 0;
0508 }
0509 
0510 static enum fe_modulation dst_get_modulation(struct dst_state *state)
0511 {
0512     return state->modulation;
0513 }
0514 
0515 
0516 u8 dst_check_sum(u8 *buf, u32 len)
0517 {
0518     u32 i;
0519     u8 val = 0;
0520     if (!len)
0521         return 0;
0522     for (i = 0; i < len; i++) {
0523         val += buf[i];
0524     }
0525     return ((~val) + 1);
0526 }
0527 EXPORT_SYMBOL(dst_check_sum);
0528 
0529 static void dst_type_flags_print(struct dst_state *state)
0530 {
0531     u32 type_flags = state->type_flags;
0532 
0533     pr_err("DST type flags :\n");
0534     if (type_flags & DST_TYPE_HAS_TS188)
0535         pr_err(" 0x%x newtuner\n", DST_TYPE_HAS_TS188);
0536     if (type_flags & DST_TYPE_HAS_NEWTUNE_2)
0537         pr_err(" 0x%x newtuner 2\n", DST_TYPE_HAS_NEWTUNE_2);
0538     if (type_flags & DST_TYPE_HAS_TS204)
0539         pr_err(" 0x%x ts204\n", DST_TYPE_HAS_TS204);
0540     if (type_flags & DST_TYPE_HAS_VLF)
0541         pr_err(" 0x%x VLF\n", DST_TYPE_HAS_VLF);
0542     if (type_flags & DST_TYPE_HAS_SYMDIV)
0543         pr_err(" 0x%x symdiv\n", DST_TYPE_HAS_SYMDIV);
0544     if (type_flags & DST_TYPE_HAS_FW_1)
0545         pr_err(" 0x%x firmware version = 1\n", DST_TYPE_HAS_FW_1);
0546     if (type_flags & DST_TYPE_HAS_FW_2)
0547         pr_err(" 0x%x firmware version = 2\n", DST_TYPE_HAS_FW_2);
0548     if (type_flags & DST_TYPE_HAS_FW_3)
0549         pr_err(" 0x%x firmware version = 3\n", DST_TYPE_HAS_FW_3);
0550     pr_err("\n");
0551 }
0552 
0553 
0554 static int dst_type_print(struct dst_state *state, u8 type)
0555 {
0556     char *otype;
0557     switch (type) {
0558     case DST_TYPE_IS_SAT:
0559         otype = "satellite";
0560         break;
0561 
0562     case DST_TYPE_IS_TERR:
0563         otype = "terrestrial";
0564         break;
0565 
0566     case DST_TYPE_IS_CABLE:
0567         otype = "cable";
0568         break;
0569 
0570     case DST_TYPE_IS_ATSC:
0571         otype = "atsc";
0572         break;
0573 
0574     default:
0575         dprintk(2, "invalid dst type %d\n", type);
0576         return -EINVAL;
0577     }
0578     dprintk(2, "DST type: %s\n", otype);
0579 
0580     return 0;
0581 }
0582 
0583 static struct tuner_types tuner_list[] = {
0584     {
0585         .tuner_type = TUNER_TYPE_L64724,
0586         .tuner_name = "L 64724",
0587         .board_name = "UNKNOWN",
0588         .fw_name    = "UNKNOWN"
0589     },
0590 
0591     {
0592         .tuner_type = TUNER_TYPE_STV0299,
0593         .tuner_name = "STV 0299",
0594         .board_name = "VP1020",
0595         .fw_name    = "DST-MOT"
0596     },
0597 
0598     {
0599         .tuner_type = TUNER_TYPE_STV0299,
0600         .tuner_name = "STV 0299",
0601         .board_name = "VP1020",
0602         .fw_name    = "DST-03T"
0603     },
0604 
0605     {
0606         .tuner_type = TUNER_TYPE_MB86A15,
0607         .tuner_name = "MB 86A15",
0608         .board_name = "VP1022",
0609         .fw_name    = "DST-03T"
0610     },
0611 
0612     {
0613         .tuner_type = TUNER_TYPE_MB86A15,
0614         .tuner_name = "MB 86A15",
0615         .board_name = "VP1025",
0616         .fw_name    = "DST-03T"
0617     },
0618 
0619     {
0620         .tuner_type = TUNER_TYPE_STV0299,
0621         .tuner_name = "STV 0299",
0622         .board_name = "VP1030",
0623         .fw_name    = "DST-CI"
0624     },
0625 
0626     {
0627         .tuner_type = TUNER_TYPE_STV0299,
0628         .tuner_name = "STV 0299",
0629         .board_name = "VP1030",
0630         .fw_name    = "DSTMCI"
0631     },
0632 
0633     {
0634         .tuner_type = TUNER_TYPE_UNKNOWN,
0635         .tuner_name = "UNKNOWN",
0636         .board_name = "VP2021",
0637         .fw_name    = "DCTNEW"
0638     },
0639 
0640     {
0641         .tuner_type = TUNER_TYPE_UNKNOWN,
0642         .tuner_name = "UNKNOWN",
0643         .board_name = "VP2030",
0644         .fw_name    = "DCT-CI"
0645     },
0646 
0647     {
0648         .tuner_type = TUNER_TYPE_UNKNOWN,
0649         .tuner_name = "UNKNOWN",
0650         .board_name = "VP2031",
0651         .fw_name    = "DCT-CI"
0652     },
0653 
0654     {
0655         .tuner_type = TUNER_TYPE_UNKNOWN,
0656         .tuner_name = "UNKNOWN",
0657         .board_name = "VP2040",
0658         .fw_name    = "DCT-CI"
0659     },
0660 
0661     {
0662         .tuner_type = TUNER_TYPE_UNKNOWN,
0663         .tuner_name = "UNKNOWN",
0664         .board_name = "VP3020",
0665         .fw_name    = "DTTFTA"
0666     },
0667 
0668     {
0669         .tuner_type = TUNER_TYPE_UNKNOWN,
0670         .tuner_name = "UNKNOWN",
0671         .board_name = "VP3021",
0672         .fw_name    = "DTTFTA"
0673     },
0674 
0675     {
0676         .tuner_type = TUNER_TYPE_TDA10046,
0677         .tuner_name = "TDA10046",
0678         .board_name = "VP3040",
0679         .fw_name    = "DTT-CI"
0680     },
0681 
0682     {
0683         .tuner_type = TUNER_TYPE_UNKNOWN,
0684         .tuner_name = "UNKNOWN",
0685         .board_name = "VP3051",
0686         .fw_name    = "DTTNXT"
0687     },
0688 
0689     {
0690         .tuner_type = TUNER_TYPE_NXT200x,
0691         .tuner_name = "NXT200x",
0692         .board_name = "VP3220",
0693         .fw_name    = "ATSCDI"
0694     },
0695 
0696     {
0697         .tuner_type = TUNER_TYPE_NXT200x,
0698         .tuner_name = "NXT200x",
0699         .board_name = "VP3250",
0700         .fw_name    = "ATSCAD"
0701     },
0702 };
0703 
0704 /*
0705     Known cards list
0706     Satellite
0707     -------------------
0708           200103A
0709     VP-1020   DST-MOT   LG(old), TS=188
0710 
0711     VP-1020   DST-03T   LG(new), TS=204
0712     VP-1022   DST-03T   LG(new), TS=204
0713     VP-1025   DST-03T   LG(new), TS=204
0714 
0715     VP-1030   DSTMCI,   LG(new), TS=188
0716     VP-1032   DSTMCI,   LG(new), TS=188
0717 
0718     Cable
0719     -------------------
0720     VP-2030   DCT-CI,   Samsung, TS=204
0721     VP-2021   DCT-CI,   Unknown, TS=204
0722     VP-2031   DCT-CI,   Philips, TS=188
0723     VP-2040   DCT-CI,   Philips, TS=188, with CA daughter board
0724     VP-2040   DCT-CI,   Philips, TS=204, without CA daughter board
0725 
0726     Terrestrial
0727     -------------------
0728     VP-3050  DTTNXT          TS=188
0729     VP-3040  DTT-CI,    Philips, TS=188
0730     VP-3040  DTT-CI,    Philips, TS=204
0731 
0732     ATSC
0733     -------------------
0734     VP-3220  ATSCDI,         TS=188
0735     VP-3250  ATSCAD,         TS=188
0736 
0737 */
0738 
0739 static struct dst_types dst_tlist[] = {
0740     {
0741         .device_id = "200103A",
0742         .offset = 0,
0743         .dst_type =  DST_TYPE_IS_SAT,
0744         .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
0745         .dst_feature = 0,
0746         .tuner_type = 0
0747     },  /*  obsolete    */
0748 
0749     {
0750         .device_id = "DST-020",
0751         .offset = 0,
0752         .dst_type =  DST_TYPE_IS_SAT,
0753         .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
0754         .dst_feature = 0,
0755         .tuner_type = 0
0756     },  /*  obsolete    */
0757 
0758     {
0759         .device_id = "DST-030",
0760         .offset =  0,
0761         .dst_type = DST_TYPE_IS_SAT,
0762         .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_1,
0763         .dst_feature = 0,
0764         .tuner_type = 0
0765     },  /*  obsolete    */
0766 
0767     {
0768         .device_id = "DST-03T",
0769         .offset = 0,
0770         .dst_type = DST_TYPE_IS_SAT,
0771         .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
0772         .dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
0773                              | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO,
0774         .tuner_type = TUNER_TYPE_MULTI
0775      },
0776 
0777     {
0778         .device_id = "DST-MOT",
0779         .offset =  0,
0780         .dst_type = DST_TYPE_IS_SAT,
0781         .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
0782         .dst_feature = 0,
0783         .tuner_type = 0
0784     },  /*  obsolete    */
0785 
0786     {
0787         .device_id = "DST-CI",
0788         .offset = 1,
0789         .dst_type = DST_TYPE_IS_SAT,
0790         .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_1,
0791         .dst_feature = DST_TYPE_HAS_CA,
0792         .tuner_type = 0
0793     },  /*  An OEM board    */
0794 
0795     {
0796         .device_id = "DSTMCI",
0797         .offset = 1,
0798         .dst_type = DST_TYPE_IS_SAT,
0799         .type_flags = DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT | DST_TYPE_HAS_VLF,
0800         .dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
0801                             | DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC,
0802         .tuner_type = TUNER_TYPE_MULTI
0803     },
0804 
0805     {
0806         .device_id = "DSTFCI",
0807         .offset = 1,
0808         .dst_type = DST_TYPE_IS_SAT,
0809         .type_flags = DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_1,
0810         .dst_feature = 0,
0811         .tuner_type = 0
0812     },  /* unknown to vendor    */
0813 
0814     {
0815         .device_id = "DCT-CI",
0816         .offset = 1,
0817         .dst_type = DST_TYPE_IS_CABLE,
0818         .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_VLF,
0819         .dst_feature = DST_TYPE_HAS_CA,
0820         .tuner_type = 0
0821     },
0822 
0823     {
0824         .device_id = "DCTNEW",
0825         .offset = 1,
0826         .dst_type = DST_TYPE_IS_CABLE,
0827         .type_flags = DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_MULTI_FE,
0828         .dst_feature = 0,
0829         .tuner_type = 0
0830     },
0831 
0832     {
0833         .device_id = "DTT-CI",
0834         .offset = 1,
0835         .dst_type = DST_TYPE_IS_TERR,
0836         .type_flags = DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_VLF,
0837         .dst_feature = DST_TYPE_HAS_CA,
0838         .tuner_type = 0
0839     },
0840 
0841     {
0842         .device_id = "DTTDIG",
0843         .offset = 1,
0844         .dst_type = DST_TYPE_IS_TERR,
0845         .type_flags = DST_TYPE_HAS_FW_2,
0846         .dst_feature = 0,
0847         .tuner_type = 0
0848     },
0849 
0850     {
0851         .device_id = "DTTNXT",
0852         .offset = 1,
0853         .dst_type = DST_TYPE_IS_TERR,
0854         .type_flags = DST_TYPE_HAS_FW_2,
0855         .dst_feature = DST_TYPE_HAS_ANALOG,
0856         .tuner_type = 0
0857     },
0858 
0859     {
0860         .device_id = "ATSCDI",
0861         .offset = 1,
0862         .dst_type = DST_TYPE_IS_ATSC,
0863         .type_flags = DST_TYPE_HAS_FW_2,
0864         .dst_feature = 0,
0865         .tuner_type = 0
0866     },
0867 
0868     {
0869         .device_id = "ATSCAD",
0870         .offset = 1,
0871         .dst_type = DST_TYPE_IS_ATSC,
0872         .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
0873         .dst_feature = DST_TYPE_HAS_MAC | DST_TYPE_HAS_ANALOG,
0874         .tuner_type = 0
0875     },
0876 
0877     { }
0878 
0879 };
0880 
0881 static int dst_get_mac(struct dst_state *state)
0882 {
0883     u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
0884     get_mac[7] = dst_check_sum(get_mac, 7);
0885     if (dst_command(state, get_mac, 8) < 0) {
0886         dprintk(2, "Unsupported Command\n");
0887         return -1;
0888     }
0889     memset(&state->mac_address, '\0', 8);
0890     memcpy(&state->mac_address, &state->rxbuffer, 6);
0891     pr_err("MAC Address=[%pM]\n", state->mac_address);
0892 
0893     return 0;
0894 }
0895 
0896 static int dst_fw_ver(struct dst_state *state)
0897 {
0898     u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
0899     get_ver[7] = dst_check_sum(get_ver, 7);
0900     if (dst_command(state, get_ver, 8) < 0) {
0901         dprintk(2, "Unsupported Command\n");
0902         return -1;
0903     }
0904     memcpy(&state->fw_version, &state->rxbuffer, 8);
0905     pr_err("Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x\n",
0906         state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
0907         state->fw_version[1],
0908         state->fw_version[5], state->fw_version[6],
0909         state->fw_version[4], state->fw_version[3], state->fw_version[2]);
0910 
0911     return 0;
0912 }
0913 
0914 static int dst_card_type(struct dst_state *state)
0915 {
0916     int j;
0917     struct tuner_types *p_tuner_list = NULL;
0918 
0919     u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
0920     get_type[7] = dst_check_sum(get_type, 7);
0921     if (dst_command(state, get_type, 8) < 0) {
0922         dprintk(2, "Unsupported Command\n");
0923         return -1;
0924     }
0925     memset(&state->card_info, '\0', 8);
0926     memcpy(&state->card_info, &state->rxbuffer, 7);
0927     pr_err("Device Model=[%s]\n", &state->card_info[0]);
0928 
0929     for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
0930         if (!strcmp(&state->card_info[0], p_tuner_list->board_name)) {
0931             state->tuner_type = p_tuner_list->tuner_type;
0932             pr_err("DST has [%s] tuner, tuner type=[%d]\n",
0933                 p_tuner_list->tuner_name, p_tuner_list->tuner_type);
0934         }
0935     }
0936 
0937     return 0;
0938 }
0939 
0940 static int dst_get_vendor(struct dst_state *state)
0941 {
0942     u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
0943     get_vendor[7] = dst_check_sum(get_vendor, 7);
0944     if (dst_command(state, get_vendor, 8) < 0) {
0945         dprintk(2, "Unsupported Command\n");
0946         return -1;
0947     }
0948     memset(&state->vendor, '\0', 8);
0949     memcpy(&state->vendor, &state->rxbuffer, 7);
0950     pr_err("Vendor=[%s]\n", &state->vendor[0]);
0951 
0952     return 0;
0953 }
0954 
0955 static void debug_dst_buffer(struct dst_state *state)
0956 {
0957     dprintk(3, "%s: [ %*ph ]\n", __func__, 8, state->rxbuffer);
0958 }
0959 
0960 static int dst_check_stv0299(struct dst_state *state)
0961 {
0962     u8 check_stv0299[] = { 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
0963 
0964     check_stv0299[7] = dst_check_sum(check_stv0299, 7);
0965     if (dst_command(state, check_stv0299, 8) < 0) {
0966         pr_err("Cmd=[0x04] failed\n");
0967         return -1;
0968     }
0969     debug_dst_buffer(state);
0970 
0971     if (memcmp(&check_stv0299, &state->rxbuffer, 8)) {
0972         pr_err("Found a STV0299 NIM\n");
0973         state->tuner_type = TUNER_TYPE_STV0299;
0974         return 0;
0975     }
0976 
0977     return -1;
0978 }
0979 
0980 static int dst_check_mb86a15(struct dst_state *state)
0981 {
0982     u8 check_mb86a15[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
0983 
0984     check_mb86a15[7] = dst_check_sum(check_mb86a15, 7);
0985     if (dst_command(state, check_mb86a15, 8) < 0) {
0986         pr_err("Cmd=[0x10], failed\n");
0987         return -1;
0988     }
0989     debug_dst_buffer(state);
0990 
0991     if (memcmp(&check_mb86a15, &state->rxbuffer, 8) < 0) {
0992         pr_err("Found a MB86A15 NIM\n");
0993         state->tuner_type = TUNER_TYPE_MB86A15;
0994         return 0;
0995     }
0996 
0997     return -1;
0998 }
0999 
1000 static int dst_get_tuner_info(struct dst_state *state)
1001 {
1002     u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1003     u8 get_tuner_2[] = { 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1004 
1005     get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
1006     get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
1007     pr_err("DST TYpe = MULTI FE\n");
1008     if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
1009         if (dst_command(state, get_tuner_1, 8) < 0) {
1010             dprintk(2, "Cmd=[0x13], Unsupported\n");
1011             goto force;
1012         }
1013     } else {
1014         if (dst_command(state, get_tuner_2, 8) < 0) {
1015             dprintk(2, "Cmd=[0xb], Unsupported\n");
1016             goto force;
1017         }
1018     }
1019     memcpy(&state->board_info, &state->rxbuffer, 8);
1020     if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
1021         pr_err("DST type has TS=188\n");
1022     }
1023     if (state->board_info[0] == 0xbc) {
1024         if (state->dst_type != DST_TYPE_IS_ATSC)
1025             state->type_flags |= DST_TYPE_HAS_TS188;
1026         else
1027             state->type_flags |= DST_TYPE_HAS_NEWTUNE_2;
1028 
1029         if (state->board_info[1] == 0x01) {
1030             state->dst_hw_cap |= DST_TYPE_HAS_DBOARD;
1031             pr_err("DST has Daughterboard\n");
1032         }
1033     }
1034 
1035     return 0;
1036 force:
1037     if (!strncmp(state->fw_name, "DCT-CI", 6)) {
1038         state->type_flags |= DST_TYPE_HAS_TS204;
1039         pr_err("Forcing [%s] to TS188\n", state->fw_name);
1040     }
1041 
1042     return -1;
1043 }
1044 
1045 static int dst_get_device_id(struct dst_state *state)
1046 {
1047     u8 reply;
1048 
1049     int i, j;
1050     struct dst_types *p_dst_type = NULL;
1051     struct tuner_types *p_tuner_list = NULL;
1052 
1053     u8 use_dst_type = 0;
1054     u32 use_type_flags = 0;
1055 
1056     static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
1057 
1058     state->tuner_type = 0;
1059     device_type[7] = dst_check_sum(device_type, 7);
1060 
1061     if (write_dst(state, device_type, FIXED_COMM))
1062         return -1;      /*  Write failed        */
1063     if ((dst_pio_disable(state)) < 0)
1064         return -1;
1065     if (read_dst(state, &reply, GET_ACK))
1066         return -1;      /*  Read failure        */
1067     if (reply != ACK) {
1068         dprintk(2, "Write not Acknowledged! [Reply=0x%02x]\n", reply);
1069         return -1;      /*  Unack'd write       */
1070     }
1071     if (!dst_wait_dst_ready(state, DEVICE_INIT))
1072         return -1;      /*  DST not ready yet   */
1073     if (read_dst(state, state->rxbuffer, FIXED_COMM))
1074         return -1;
1075 
1076     dst_pio_disable(state);
1077     if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1078         dprintk(2, "Checksum failure!\n");
1079         return -1;      /*  Checksum failure    */
1080     }
1081     state->rxbuffer[7] = '\0';
1082 
1083     for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
1084         if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
1085             use_type_flags = p_dst_type->type_flags;
1086             use_dst_type = p_dst_type->dst_type;
1087 
1088             /*  Card capabilities   */
1089             state->dst_hw_cap = p_dst_type->dst_feature;
1090             pr_err("Recognise [%s]\n", p_dst_type->device_id);
1091             strscpy(state->fw_name, p_dst_type->device_id,
1092                     sizeof(state->fw_name));
1093             /*  Multiple tuners     */
1094             if (p_dst_type->tuner_type & TUNER_TYPE_MULTI) {
1095                 switch (use_dst_type) {
1096                 case DST_TYPE_IS_SAT:
1097                     /*  STV0299 check   */
1098                     if (dst_check_stv0299(state) < 0) {
1099                         pr_err("Unsupported\n");
1100                         state->tuner_type = TUNER_TYPE_MB86A15;
1101                     }
1102                     break;
1103                 default:
1104                     break;
1105                 }
1106                 if (dst_check_mb86a15(state) < 0)
1107                     pr_err("Unsupported\n");
1108             /*  Single tuner        */
1109             } else {
1110                 state->tuner_type = p_dst_type->tuner_type;
1111             }
1112             for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
1113                 if (!(strncmp(p_dst_type->device_id, p_tuner_list->fw_name, 7)) &&
1114                     p_tuner_list->tuner_type == state->tuner_type) {
1115                     pr_err("[%s] has a [%s]\n",
1116                         p_dst_type->device_id, p_tuner_list->tuner_name);
1117                 }
1118             }
1119             break;
1120         }
1121     }
1122 
1123     if (i >= ARRAY_SIZE(dst_tlist)) {
1124         pr_err("Unable to recognize %s or %s\n", &state->rxbuffer[0], &state->rxbuffer[1]);
1125         pr_err("please email linux-dvb@linuxtv.org with this type in");
1126         use_dst_type = DST_TYPE_IS_SAT;
1127         use_type_flags = DST_TYPE_HAS_SYMDIV;
1128     }
1129     dst_type_print(state, use_dst_type);
1130     state->type_flags = use_type_flags;
1131     state->dst_type = use_dst_type;
1132     dst_type_flags_print(state);
1133 
1134     return 0;
1135 }
1136 
1137 static int dst_probe(struct dst_state *state)
1138 {
1139     mutex_init(&state->dst_mutex);
1140     if (dst_addons & DST_TYPE_HAS_CA) {
1141         if ((rdc_8820_reset(state)) < 0) {
1142             pr_err("RDC 8820 RESET Failed.\n");
1143             return -1;
1144         }
1145         msleep(4000);
1146     } else {
1147         msleep(100);
1148     }
1149     if ((dst_comm_init(state)) < 0) {
1150         pr_err("DST Initialization Failed.\n");
1151         return -1;
1152     }
1153     msleep(100);
1154     if (dst_get_device_id(state) < 0) {
1155         pr_err("unknown device.\n");
1156         return -1;
1157     }
1158     if (dst_get_mac(state) < 0) {
1159         dprintk(2, "MAC: Unsupported command\n");
1160     }
1161     if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
1162         if (dst_get_tuner_info(state) < 0)
1163             dprintk(2, "Tuner: Unsupported command\n");
1164     }
1165     if (state->type_flags & DST_TYPE_HAS_TS204) {
1166         dst_packsize(state, 204);
1167     }
1168     if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
1169         if (dst_fw_ver(state) < 0) {
1170             dprintk(2, "FW: Unsupported command\n");
1171             return 0;
1172         }
1173         if (dst_card_type(state) < 0) {
1174             dprintk(2, "Card: Unsupported command\n");
1175             return 0;
1176         }
1177         if (dst_get_vendor(state) < 0) {
1178             dprintk(2, "Vendor: Unsupported command\n");
1179             return 0;
1180         }
1181     }
1182 
1183     return 0;
1184 }
1185 
1186 static int dst_command(struct dst_state *state, u8 *data, u8 len)
1187 {
1188     u8 reply;
1189 
1190     mutex_lock(&state->dst_mutex);
1191     if ((dst_comm_init(state)) < 0) {
1192         dprintk(1, "DST Communication Initialization Failed.\n");
1193         goto error;
1194     }
1195     if (write_dst(state, data, len)) {
1196         dprintk(2, "Trying to recover..\n");
1197         if ((dst_error_recovery(state)) < 0) {
1198             pr_err("Recovery Failed.\n");
1199             goto error;
1200         }
1201         goto error;
1202     }
1203     if ((dst_pio_disable(state)) < 0) {
1204         pr_err("PIO Disable Failed.\n");
1205         goto error;
1206     }
1207     if (state->type_flags & DST_TYPE_HAS_FW_1)
1208         mdelay(3);
1209     if (read_dst(state, &reply, GET_ACK)) {
1210         dprintk(3, "Trying to recover..\n");
1211         if ((dst_error_recovery(state)) < 0) {
1212             dprintk(2, "Recovery Failed.\n");
1213             goto error;
1214         }
1215         goto error;
1216     }
1217     if (reply != ACK) {
1218         dprintk(2, "write not acknowledged 0x%02x\n", reply);
1219         goto error;
1220     }
1221     if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
1222         goto error;
1223     if (state->type_flags & DST_TYPE_HAS_FW_1)
1224         mdelay(3);
1225     else
1226         udelay(2000);
1227     if (!dst_wait_dst_ready(state, NO_DELAY))
1228         goto error;
1229     if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
1230         dprintk(3, "Trying to recover..\n");
1231         if ((dst_error_recovery(state)) < 0) {
1232             dprintk(2, "Recovery failed.\n");
1233             goto error;
1234         }
1235         goto error;
1236     }
1237     if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1238         dprintk(2, "checksum failure\n");
1239         goto error;
1240     }
1241     mutex_unlock(&state->dst_mutex);
1242     return 0;
1243 
1244 error:
1245     mutex_unlock(&state->dst_mutex);
1246     return -EIO;
1247 
1248 }
1249 
1250 static int dst_get_signal(struct dst_state *state)
1251 {
1252     int retval;
1253     u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
1254     //dprintk("%s: Getting Signal strength and other parameters\n", __func__);
1255     if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
1256         state->decode_lock = state->decode_strength = state->decode_snr = 0;
1257         return 0;
1258     }
1259     if (0 == (state->diseq_flags & HAS_LOCK)) {
1260         state->decode_lock = state->decode_strength = state->decode_snr = 0;
1261         return 0;
1262     }
1263     if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
1264         retval = dst_command(state, get_signal, 8);
1265         if (retval < 0)
1266             return retval;
1267         if (state->dst_type == DST_TYPE_IS_SAT) {
1268             state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
1269             state->decode_strength = state->rxbuffer[5] << 8;
1270             state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1271         } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
1272             state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
1273             state->decode_strength = state->rxbuffer[4] << 8;
1274             state->decode_snr = state->rxbuffer[3] << 8;
1275         } else if (state->dst_type == DST_TYPE_IS_ATSC) {
1276             state->decode_lock = (state->rxbuffer[6] == 0x00) ? 1 : 0;
1277             state->decode_strength = state->rxbuffer[4] << 8;
1278             state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1279         }
1280         state->cur_jiff = jiffies;
1281     }
1282     return 0;
1283 }
1284 
1285 static int dst_tone_power_cmd(struct dst_state *state)
1286 {
1287     u8 packet[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
1288 
1289     if (state->dst_type != DST_TYPE_IS_SAT)
1290         return -EOPNOTSUPP;
1291     packet[4] = state->tx_tuna[4];
1292     packet[2] = state->tx_tuna[2];
1293     packet[3] = state->tx_tuna[3];
1294     packet[7] = dst_check_sum (packet, 7);
1295     return dst_command(state, packet, 8);
1296 }
1297 
1298 static int dst_get_tuna(struct dst_state *state)
1299 {
1300     int retval;
1301 
1302     if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1303         return 0;
1304     state->diseq_flags &= ~(HAS_LOCK);
1305     if (!dst_wait_dst_ready(state, NO_DELAY))
1306         return -EIO;
1307     if ((state->type_flags & DST_TYPE_HAS_VLF) &&
1308         !(state->dst_type == DST_TYPE_IS_ATSC))
1309 
1310         retval = read_dst(state, state->rx_tuna, 10);
1311     else
1312         retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1313     if (retval < 0) {
1314         dprintk(3, "read not successful\n");
1315         return retval;
1316     }
1317     if ((state->type_flags & DST_TYPE_HAS_VLF) &&
1318        !(state->dst_type == DST_TYPE_IS_ATSC)) {
1319 
1320         if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
1321             dprintk(2, "checksum failure ?\n");
1322             return -EIO;
1323         }
1324     } else {
1325         if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
1326             dprintk(2, "checksum failure?\n");
1327             return -EIO;
1328         }
1329     }
1330     if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1331         return 0;
1332     if (state->dst_type == DST_TYPE_IS_SAT) {
1333         state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
1334     } else {
1335         state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 16) + (state->rx_tuna[3] << 8) + state->rx_tuna[4];
1336     }
1337     state->decode_freq = state->decode_freq * 1000;
1338     state->decode_lock = 1;
1339     state->diseq_flags |= HAS_LOCK;
1340 
1341     return 1;
1342 }
1343 
1344 static int dst_set_voltage(struct dvb_frontend *fe,
1345                enum fe_sec_voltage voltage);
1346 
1347 static int dst_write_tuna(struct dvb_frontend *fe)
1348 {
1349     struct dst_state *state = fe->demodulator_priv;
1350     int retval;
1351     u8 reply;
1352 
1353     dprintk(2, "type_flags 0x%x\n", state->type_flags);
1354     state->decode_freq = 0;
1355     state->decode_lock = state->decode_strength = state->decode_snr = 0;
1356     if (state->dst_type == DST_TYPE_IS_SAT) {
1357         if (!(state->diseq_flags & HAS_POWER))
1358             dst_set_voltage(fe, SEC_VOLTAGE_13);
1359     }
1360     state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
1361     mutex_lock(&state->dst_mutex);
1362     if ((dst_comm_init(state)) < 0) {
1363         dprintk(3, "DST Communication initialization failed.\n");
1364         goto error;
1365     }
1366 //  if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1367     if ((state->type_flags & DST_TYPE_HAS_VLF) &&
1368         (!(state->dst_type == DST_TYPE_IS_ATSC))) {
1369 
1370         state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
1371         retval = write_dst(state, &state->tx_tuna[0], 10);
1372     } else {
1373         state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
1374         retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1375     }
1376     if (retval < 0) {
1377         dst_pio_disable(state);
1378         dprintk(3, "write not successful\n");
1379         goto werr;
1380     }
1381     if ((dst_pio_disable(state)) < 0) {
1382         dprintk(3, "DST PIO disable failed !\n");
1383         goto error;
1384     }
1385     if ((read_dst(state, &reply, GET_ACK) < 0)) {
1386         dprintk(3, "read verify not successful.\n");
1387         goto error;
1388     }
1389     if (reply != ACK) {
1390         dprintk(3, "write not acknowledged 0x%02x\n", reply);
1391         goto error;
1392     }
1393     state->diseq_flags |= ATTEMPT_TUNE;
1394     retval = dst_get_tuna(state);
1395 werr:
1396     mutex_unlock(&state->dst_mutex);
1397     return retval;
1398 
1399 error:
1400     mutex_unlock(&state->dst_mutex);
1401     return -EIO;
1402 }
1403 
1404 /*
1405  * line22k0    0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1406  * line22k1    0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1407  * line22k2    0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1408  * tone        0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1409  * data        0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1410  * power_off   0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1411  * power_on    0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1412  * Diseqc 1    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1413  * Diseqc 2    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1414  * Diseqc 3    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1415  * Diseqc 4    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1416  */
1417 
1418 static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1419 {
1420     struct dst_state *state = fe->demodulator_priv;
1421     u8 packet[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1422 
1423     if (state->dst_type != DST_TYPE_IS_SAT)
1424         return -EOPNOTSUPP;
1425     if (cmd->msg_len > 0 && cmd->msg_len < 5)
1426         memcpy(&packet[3], cmd->msg, cmd->msg_len);
1427     else if (cmd->msg_len == 5 && state->dst_hw_cap & DST_TYPE_HAS_DISEQC5)
1428         memcpy(&packet[2], cmd->msg, cmd->msg_len);
1429     else
1430         return -EINVAL;
1431     packet[7] = dst_check_sum(&packet[0], 7);
1432     return dst_command(state, packet, 8);
1433 }
1434 
1435 static int dst_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage)
1436 {
1437     int need_cmd, retval = 0;
1438     struct dst_state *state = fe->demodulator_priv;
1439 
1440     state->voltage = voltage;
1441     if (state->dst_type != DST_TYPE_IS_SAT)
1442         return -EOPNOTSUPP;
1443 
1444     need_cmd = 0;
1445 
1446     switch (voltage) {
1447     case SEC_VOLTAGE_13:
1448     case SEC_VOLTAGE_18:
1449         if ((state->diseq_flags & HAS_POWER) == 0)
1450             need_cmd = 1;
1451         state->diseq_flags |= HAS_POWER;
1452         state->tx_tuna[4] = 0x01;
1453         break;
1454     case SEC_VOLTAGE_OFF:
1455         need_cmd = 1;
1456         state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1457         state->tx_tuna[4] = 0x00;
1458         break;
1459     default:
1460         return -EINVAL;
1461     }
1462 
1463     if (need_cmd)
1464         retval = dst_tone_power_cmd(state);
1465 
1466     return retval;
1467 }
1468 
1469 static int dst_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone)
1470 {
1471     struct dst_state *state = fe->demodulator_priv;
1472 
1473     state->tone = tone;
1474     if (state->dst_type != DST_TYPE_IS_SAT)
1475         return -EOPNOTSUPP;
1476 
1477     switch (tone) {
1478     case SEC_TONE_OFF:
1479         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1480             state->tx_tuna[2] = 0x00;
1481         else
1482             state->tx_tuna[2] = 0xff;
1483         break;
1484 
1485     case SEC_TONE_ON:
1486         state->tx_tuna[2] = 0x02;
1487         break;
1488     default:
1489         return -EINVAL;
1490     }
1491     return dst_tone_power_cmd(state);
1492 }
1493 
1494 static int dst_send_burst(struct dvb_frontend *fe, enum fe_sec_mini_cmd minicmd)
1495 {
1496     struct dst_state *state = fe->demodulator_priv;
1497 
1498     if (state->dst_type != DST_TYPE_IS_SAT)
1499         return -EOPNOTSUPP;
1500     state->minicmd = minicmd;
1501     switch (minicmd) {
1502     case SEC_MINI_A:
1503         state->tx_tuna[3] = 0x02;
1504         break;
1505     case SEC_MINI_B:
1506         state->tx_tuna[3] = 0xff;
1507         break;
1508     }
1509     return dst_tone_power_cmd(state);
1510 }
1511 
1512 
1513 static int bt8xx_dst_init(struct dvb_frontend *fe)
1514 {
1515     struct dst_state *state = fe->demodulator_priv;
1516 
1517     static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1518     static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1519     static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1520     static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1521     static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1522     static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1523     static u8 atsc_tuner[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1524 
1525     state->inversion = INVERSION_OFF;
1526     state->voltage = SEC_VOLTAGE_13;
1527     state->tone = SEC_TONE_OFF;
1528     state->diseq_flags = 0;
1529     state->k22 = 0x02;
1530     state->bandwidth = 7000000;
1531     state->cur_jiff = jiffies;
1532     if (state->dst_type == DST_TYPE_IS_SAT)
1533         memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1534     else if (state->dst_type == DST_TYPE_IS_TERR)
1535         memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1536     else if (state->dst_type == DST_TYPE_IS_CABLE)
1537         memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1538     else if (state->dst_type == DST_TYPE_IS_ATSC)
1539         memcpy(state->tx_tuna, atsc_tuner, sizeof (atsc_tuner));
1540 
1541     return 0;
1542 }
1543 
1544 static int dst_read_status(struct dvb_frontend *fe, enum fe_status *status)
1545 {
1546     struct dst_state *state = fe->demodulator_priv;
1547 
1548     *status = 0;
1549     if (state->diseq_flags & HAS_LOCK) {
1550 //      dst_get_signal(state);  // don't require(?) to ask MCU
1551         if (state->decode_lock)
1552             *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1553     }
1554 
1555     return 0;
1556 }
1557 
1558 static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1559 {
1560     struct dst_state *state = fe->demodulator_priv;
1561 
1562     int retval = dst_get_signal(state);
1563     *strength = state->decode_strength;
1564 
1565     return retval;
1566 }
1567 
1568 static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1569 {
1570     struct dst_state *state = fe->demodulator_priv;
1571 
1572     int retval = dst_get_signal(state);
1573     *snr = state->decode_snr;
1574 
1575     return retval;
1576 }
1577 
1578 static int dst_set_frontend(struct dvb_frontend *fe)
1579 {
1580     struct dtv_frontend_properties *p = &fe->dtv_property_cache;
1581     int retval = -EINVAL;
1582     struct dst_state *state = fe->demodulator_priv;
1583 
1584     if (p != NULL) {
1585         retval = dst_set_freq(state, p->frequency);
1586         if(retval != 0)
1587             return retval;
1588         dprintk(3, "Set Frequency=[%d]\n", p->frequency);
1589 
1590         if (state->dst_type == DST_TYPE_IS_SAT) {
1591             if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1592                 dst_set_inversion(state, p->inversion);
1593             dst_set_fec(state, p->fec_inner);
1594             dst_set_symbolrate(state, p->symbol_rate);
1595             dst_set_polarization(state);
1596             dprintk(3, "Set Symbolrate=[%d]\n", p->symbol_rate);
1597 
1598         } else if (state->dst_type == DST_TYPE_IS_TERR)
1599             dst_set_bandwidth(state, p->bandwidth_hz);
1600         else if (state->dst_type == DST_TYPE_IS_CABLE) {
1601             dst_set_fec(state, p->fec_inner);
1602             dst_set_symbolrate(state, p->symbol_rate);
1603             dst_set_modulation(state, p->modulation);
1604         }
1605         retval = dst_write_tuna(fe);
1606     }
1607 
1608     return retval;
1609 }
1610 
1611 static int dst_tune_frontend(struct dvb_frontend* fe,
1612                 bool re_tune,
1613                 unsigned int mode_flags,
1614                 unsigned int *delay,
1615                 enum fe_status *status)
1616 {
1617     struct dst_state *state = fe->demodulator_priv;
1618     struct dtv_frontend_properties *p = &fe->dtv_property_cache;
1619 
1620     if (re_tune) {
1621         dst_set_freq(state, p->frequency);
1622         dprintk(3, "Set Frequency=[%d]\n", p->frequency);
1623 
1624         if (state->dst_type == DST_TYPE_IS_SAT) {
1625             if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1626                 dst_set_inversion(state, p->inversion);
1627             dst_set_fec(state, p->fec_inner);
1628             dst_set_symbolrate(state, p->symbol_rate);
1629             dst_set_polarization(state);
1630             dprintk(3, "Set Symbolrate=[%d]\n", p->symbol_rate);
1631 
1632         } else if (state->dst_type == DST_TYPE_IS_TERR)
1633             dst_set_bandwidth(state, p->bandwidth_hz);
1634         else if (state->dst_type == DST_TYPE_IS_CABLE) {
1635             dst_set_fec(state, p->fec_inner);
1636             dst_set_symbolrate(state, p->symbol_rate);
1637             dst_set_modulation(state, p->modulation);
1638         }
1639         dst_write_tuna(fe);
1640     }
1641 
1642     if (!(mode_flags & FE_TUNE_MODE_ONESHOT))
1643         dst_read_status(fe, status);
1644 
1645     *delay = HZ/10;
1646     return 0;
1647 }
1648 
1649 static enum dvbfe_algo dst_get_tuning_algo(struct dvb_frontend *fe)
1650 {
1651     return dst_algo ? DVBFE_ALGO_HW : DVBFE_ALGO_SW;
1652 }
1653 
1654 static int dst_get_frontend(struct dvb_frontend *fe,
1655                 struct dtv_frontend_properties *p)
1656 {
1657     struct dst_state *state = fe->demodulator_priv;
1658 
1659     p->frequency = state->decode_freq;
1660     if (state->dst_type == DST_TYPE_IS_SAT) {
1661         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1662             p->inversion = state->inversion;
1663         p->symbol_rate = state->symbol_rate;
1664         p->fec_inner = dst_get_fec(state);
1665     } else if (state->dst_type == DST_TYPE_IS_TERR) {
1666         p->bandwidth_hz = state->bandwidth;
1667     } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1668         p->symbol_rate = state->symbol_rate;
1669         p->fec_inner = dst_get_fec(state);
1670         p->modulation = dst_get_modulation(state);
1671     }
1672 
1673     return 0;
1674 }
1675 
1676 static void bt8xx_dst_release(struct dvb_frontend *fe)
1677 {
1678     struct dst_state *state = fe->demodulator_priv;
1679     if (state->dst_ca) {
1680         dvb_unregister_device(state->dst_ca);
1681 #ifdef CONFIG_MEDIA_ATTACH
1682         symbol_put(dst_ca_attach);
1683 #endif
1684     }
1685     kfree(state);
1686 }
1687 
1688 static const struct dvb_frontend_ops dst_dvbt_ops;
1689 static const struct dvb_frontend_ops dst_dvbs_ops;
1690 static const struct dvb_frontend_ops dst_dvbc_ops;
1691 static const struct dvb_frontend_ops dst_atsc_ops;
1692 
1693 struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1694 {
1695     /* check if the ASIC is there */
1696     if (dst_probe(state) < 0) {
1697         kfree(state);
1698         return NULL;
1699     }
1700     /* determine settings based on type */
1701     /* create dvb_frontend */
1702     switch (state->dst_type) {
1703     case DST_TYPE_IS_TERR:
1704         memcpy(&state->frontend.ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1705         break;
1706     case DST_TYPE_IS_CABLE:
1707         memcpy(&state->frontend.ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1708         break;
1709     case DST_TYPE_IS_SAT:
1710         memcpy(&state->frontend.ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1711         break;
1712     case DST_TYPE_IS_ATSC:
1713         memcpy(&state->frontend.ops, &dst_atsc_ops, sizeof(struct dvb_frontend_ops));
1714         break;
1715     default:
1716         pr_err("unknown DST type. please report to the LinuxTV.org DVB mailinglist.\n");
1717         kfree(state);
1718         return NULL;
1719     }
1720     state->frontend.demodulator_priv = state;
1721 
1722     return state;               /*  Manu (DST is a card not a frontend) */
1723 }
1724 
1725 EXPORT_SYMBOL(dst_attach);
1726 
1727 static const struct dvb_frontend_ops dst_dvbt_ops = {
1728     .delsys = { SYS_DVBT },
1729     .info = {
1730         .name = "DST DVB-T",
1731         .frequency_min_hz = 137 * MHz,
1732         .frequency_max_hz = 858 * MHz,
1733         .frequency_stepsize_hz = 166667,
1734         .caps = FE_CAN_FEC_AUTO         |
1735             FE_CAN_QAM_AUTO         |
1736             FE_CAN_QAM_16           |
1737             FE_CAN_QAM_32           |
1738             FE_CAN_QAM_64           |
1739             FE_CAN_QAM_128          |
1740             FE_CAN_QAM_256          |
1741             FE_CAN_TRANSMISSION_MODE_AUTO   |
1742             FE_CAN_GUARD_INTERVAL_AUTO
1743     },
1744 
1745     .release = bt8xx_dst_release,
1746     .init = bt8xx_dst_init,
1747     .tune = dst_tune_frontend,
1748     .set_frontend = dst_set_frontend,
1749     .get_frontend = dst_get_frontend,
1750     .get_frontend_algo = dst_get_tuning_algo,
1751     .read_status = dst_read_status,
1752     .read_signal_strength = dst_read_signal_strength,
1753     .read_snr = dst_read_snr,
1754 };
1755 
1756 static const struct dvb_frontend_ops dst_dvbs_ops = {
1757     .delsys = { SYS_DVBS },
1758     .info = {
1759         .name = "DST DVB-S",
1760         .frequency_min_hz   =  950 * MHz,
1761         .frequency_max_hz   = 2150 * MHz,
1762         .frequency_stepsize_hz = 1 * MHz,
1763         .frequency_tolerance_hz = 29500 * kHz,
1764         .symbol_rate_min = 1000000,
1765         .symbol_rate_max = 45000000,
1766     /*     . symbol_rate_tolerance  =   ???,*/
1767         .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1768     },
1769 
1770     .release = bt8xx_dst_release,
1771     .init = bt8xx_dst_init,
1772     .tune = dst_tune_frontend,
1773     .set_frontend = dst_set_frontend,
1774     .get_frontend = dst_get_frontend,
1775     .get_frontend_algo = dst_get_tuning_algo,
1776     .read_status = dst_read_status,
1777     .read_signal_strength = dst_read_signal_strength,
1778     .read_snr = dst_read_snr,
1779     .diseqc_send_burst = dst_send_burst,
1780     .diseqc_send_master_cmd = dst_set_diseqc,
1781     .set_voltage = dst_set_voltage,
1782     .set_tone = dst_set_tone,
1783 };
1784 
1785 static const struct dvb_frontend_ops dst_dvbc_ops = {
1786     .delsys = { SYS_DVBC_ANNEX_A },
1787     .info = {
1788         .name = "DST DVB-C",
1789         .frequency_min_hz =  51 * MHz,
1790         .frequency_max_hz = 858 * MHz,
1791         .frequency_stepsize_hz = 62500,
1792         .symbol_rate_min = 1000000,
1793         .symbol_rate_max = 45000000,
1794         .caps = FE_CAN_FEC_AUTO |
1795             FE_CAN_QAM_AUTO |
1796             FE_CAN_QAM_16   |
1797             FE_CAN_QAM_32   |
1798             FE_CAN_QAM_64   |
1799             FE_CAN_QAM_128  |
1800             FE_CAN_QAM_256
1801     },
1802 
1803     .release = bt8xx_dst_release,
1804     .init = bt8xx_dst_init,
1805     .tune = dst_tune_frontend,
1806     .set_frontend = dst_set_frontend,
1807     .get_frontend = dst_get_frontend,
1808     .get_frontend_algo = dst_get_tuning_algo,
1809     .read_status = dst_read_status,
1810     .read_signal_strength = dst_read_signal_strength,
1811     .read_snr = dst_read_snr,
1812 };
1813 
1814 static const struct dvb_frontend_ops dst_atsc_ops = {
1815     .delsys = { SYS_ATSC },
1816     .info = {
1817         .name = "DST ATSC",
1818         .frequency_min_hz = 510 * MHz,
1819         .frequency_max_hz = 858 * MHz,
1820         .frequency_stepsize_hz = 62500,
1821         .symbol_rate_min = 1000000,
1822         .symbol_rate_max = 45000000,
1823         .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
1824     },
1825 
1826     .release = bt8xx_dst_release,
1827     .init = bt8xx_dst_init,
1828     .tune = dst_tune_frontend,
1829     .set_frontend = dst_set_frontend,
1830     .get_frontend = dst_get_frontend,
1831     .get_frontend_algo = dst_get_tuning_algo,
1832     .read_status = dst_read_status,
1833     .read_signal_strength = dst_read_signal_strength,
1834     .read_snr = dst_read_snr,
1835 };
1836 
1837 MODULE_DESCRIPTION("DST DVB-S/T/C/ATSC Combo Frontend driver");
1838 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1839 MODULE_LICENSE("GPL");
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