#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <asm/div64.h>
#include <media/dvb_frontend.h>
#include "dst_priv.h"
#include "dst_common.h"
static unsigned int verbose;
module_param(verbose, int, 0644);
MODULE_PARM_DESC(verbose, "verbosity level (0 to 3)");
static unsigned int dst_addons;
module_param(dst_addons, int, 0644);
MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
static unsigned int dst_algo;
module_param(dst_algo, int, 0644);
MODULE_PARM_DESC(dst_algo, "tuning algo: default is 0=(SW), 1=(HW)");
#define HAS_LOCK 1
#define ATTEMPT_TUNE 2
#define HAS_POWER 4
#define dprintk(level, fmt, arg...) do { \
if (level >= verbose) \
printk(KERN_DEBUG pr_fmt("%s: " fmt), \
__func__, ##arg); \
} while(0)
static int dst_command(struct dst_state *state, u8 *data, u8 len);
static void dst_packsize(struct dst_state *state, int psize)
{
union dst_gpio_packet bits;
bits.psize = psize;
bt878_device_control(state->bt, DST_IG_TS, &bits);
}
static int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb,
u32 outhigh, int delay)
{
union dst_gpio_packet enb;
union dst_gpio_packet bits;
int err;
enb.enb.mask = mask;
enb.enb.enable = enbb;
dprintk(2, "mask=[%04x], enbb=[%04x], outhigh=[%04x]\n",
mask, enbb, outhigh);
if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
dprintk(2, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)\n",
err, mask, enbb);
return -EREMOTEIO;
}
udelay(1000);
if (enbb == 0)
return 0;
if (delay)
msleep(10);
bits.outp.mask = enbb;
bits.outp.highvals = outhigh;
if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
dprintk(2, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)\n",
err, enbb, outhigh);
return -EREMOTEIO;
}
return 0;
}
static int dst_gpio_inb(struct dst_state *state, u8 *result)
{
union dst_gpio_packet rd_packet;
int err;
*result = 0;
if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
pr_err("dst_gpio_inb error (err == %i)\n", err);
return -EREMOTEIO;
}
*result = (u8) rd_packet.rd.value;
return 0;
}
int rdc_reset_state(struct dst_state *state)
{
dprintk(2, "Resetting state machine\n");
if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
pr_err("dst_gpio_outb ERROR !\n");
return -1;
}
msleep(10);
if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
pr_err("dst_gpio_outb ERROR !\n");
msleep(10);
return -1;
}
return 0;
}
EXPORT_SYMBOL(rdc_reset_state);
static int rdc_8820_reset(struct dst_state *state)
{
dprintk(3, "Resetting DST\n");
if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
pr_err("dst_gpio_outb ERROR !\n");
return -1;
}
udelay(1000);
if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
pr_err("dst_gpio_outb ERROR !\n");
return -1;
}
return 0;
}
static int dst_pio_enable(struct dst_state *state)
{
if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
pr_err("dst_gpio_outb ERROR !\n");
return -1;
}
udelay(1000);
return 0;
}
int dst_pio_disable(struct dst_state *state)
{
if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
pr_err("dst_gpio_outb ERROR !\n");
return -1;
}
if (state->type_flags & DST_TYPE_HAS_FW_1)
udelay(1000);
return 0;
}
EXPORT_SYMBOL(dst_pio_disable);
int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
{
u8 reply;
int i;
for (i = 0; i < 200; i++) {
if (dst_gpio_inb(state, &reply) < 0) {
pr_err("dst_gpio_inb ERROR !\n");
return -1;
}
if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
dprintk(2, "dst wait ready after %d\n", i);
return 1;
}
msleep(10);
}
dprintk(1, "dst wait NOT ready after %d\n", i);
return 0;
}
EXPORT_SYMBOL(dst_wait_dst_ready);
int dst_error_recovery(struct dst_state *state)
{
dprintk(1, "Trying to return from previous errors.\n");
dst_pio_disable(state);
msleep(10);
dst_pio_enable(state);
msleep(10);
return 0;
}
EXPORT_SYMBOL(dst_error_recovery);
int dst_error_bailout(struct dst_state *state)
{
dprintk(2, "Trying to bailout from previous error.\n");
rdc_8820_reset(state);
dst_pio_disable(state);
msleep(10);
return 0;
}
EXPORT_SYMBOL(dst_error_bailout);
int dst_comm_init(struct dst_state *state)
{
dprintk(2, "Initializing DST.\n");
if ((dst_pio_enable(state)) < 0) {
pr_err("PIO Enable Failed\n");
return -1;
}
if ((rdc_reset_state(state)) < 0) {
pr_err("RDC 8820 State RESET Failed.\n");
return -1;
}
if (state->type_flags & DST_TYPE_HAS_FW_1)
msleep(100);
else
msleep(5);
return 0;
}
EXPORT_SYMBOL(dst_comm_init);
int write_dst(struct dst_state *state, u8 *data, u8 len)
{
struct i2c_msg msg = {
.addr = state->config->demod_address,
.flags = 0,
.buf = data,
.len = len
};
int err;
u8 cnt;
dprintk(1, "writing [ %*ph ]\n", len, data);
for (cnt = 0; cnt < 2; cnt++) {
if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
dprintk(2, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n",
err, len, data[0]);
dst_error_recovery(state);
continue;
} else
break;
}
if (cnt >= 2) {
dprintk(2, "RDC 8820 RESET\n");
dst_error_bailout(state);
return -1;
}
return 0;
}
EXPORT_SYMBOL(write_dst);
int read_dst(struct dst_state *state, u8 *ret, u8 len)
{
struct i2c_msg msg = {
.addr = state->config->demod_address,
.flags = I2C_M_RD,
.buf = ret,
.len = len
};
int err;
int cnt;
for (cnt = 0; cnt < 2; cnt++) {
if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
dprintk(2, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n",
err, len, ret[0]);
dst_error_recovery(state);
continue;
} else
break;
}
if (cnt >= 2) {
dprintk(2, "RDC 8820 RESET\n");
dst_error_bailout(state);
return -1;
}
dprintk(3, "reply is %*ph\n", len, ret);
return 0;
}
EXPORT_SYMBOL(read_dst);
static int dst_set_polarization(struct dst_state *state)
{
switch (state->voltage) {
case SEC_VOLTAGE_13:
dprintk(2, "Polarization=[Vertical]\n");
state->tx_tuna[8] &= ~0x40;
break;
case SEC_VOLTAGE_18:
dprintk(2, "Polarization=[Horizontal]\n");
state->tx_tuna[8] |= 0x40;
break;
case SEC_VOLTAGE_OFF:
break;
}
return 0;
}
static int dst_set_freq(struct dst_state *state, u32 freq)
{
state->frequency = freq;
dprintk(2, "set Frequency %u\n", freq);
if (state->dst_type == DST_TYPE_IS_SAT) {
freq = freq / 1000;
if (freq < 950 || freq > 2150)
return -EINVAL;
state->tx_tuna[2] = (freq >> 8);
state->tx_tuna[3] = (u8) freq;
state->tx_tuna[4] = 0x01;
state->tx_tuna[8] &= ~0x04;
if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
if (freq < 1531)
state->tx_tuna[8] |= 0x04;
}
} else if (state->dst_type == DST_TYPE_IS_TERR) {
freq = freq / 1000;
if (freq < 137000 || freq > 858000)
return -EINVAL;
state->tx_tuna[2] = (freq >> 16) & 0xff;
state->tx_tuna[3] = (freq >> 8) & 0xff;
state->tx_tuna[4] = (u8) freq;
} else if (state->dst_type == DST_TYPE_IS_CABLE) {
freq = freq / 1000;
state->tx_tuna[2] = (freq >> 16) & 0xff;
state->tx_tuna[3] = (freq >> 8) & 0xff;
state->tx_tuna[4] = (u8) freq;
} else if (state->dst_type == DST_TYPE_IS_ATSC) {
freq = freq / 1000;
if (freq < 51000 || freq > 858000)
return -EINVAL;
state->tx_tuna[2] = (freq >> 16) & 0xff;
state->tx_tuna[3] = (freq >> 8) & 0xff;
state->tx_tuna[4] = (u8) freq;
state->tx_tuna[5] = 0x00;
state->tx_tuna[6] = 0x00;
if (state->dst_hw_cap & DST_TYPE_HAS_ANALOG)
state->tx_tuna[7] = 0x00;
} else
return -EINVAL;
return 0;
}
static int dst_set_bandwidth(struct dst_state *state, u32 bandwidth)
{
state->bandwidth = bandwidth;
if (state->dst_type != DST_TYPE_IS_TERR)
return -EOPNOTSUPP;
switch (bandwidth) {
case 6000000:
if (state->dst_hw_cap & DST_TYPE_HAS_CA)
state->tx_tuna[7] = 0x06;
else {
state->tx_tuna[6] = 0x06;
state->tx_tuna[7] = 0x00;
}
break;
case 7000000:
if (state->dst_hw_cap & DST_TYPE_HAS_CA)
state->tx_tuna[7] = 0x07;
else {
state->tx_tuna[6] = 0x07;
state->tx_tuna[7] = 0x00;
}
break;
case 8000000:
if (state->dst_hw_cap & DST_TYPE_HAS_CA)
state->tx_tuna[7] = 0x08;
else {
state->tx_tuna[6] = 0x08;
state->tx_tuna[7] = 0x00;
}
break;
default:
return -EINVAL;
}
return 0;
}
static int dst_set_inversion(struct dst_state *state,
enum fe_spectral_inversion inversion)
{
state->inversion = inversion;
switch (inversion) {
case INVERSION_OFF:
state->tx_tuna[8] &= ~0x80;
break;
case INVERSION_ON:
state->tx_tuna[8] |= 0x80;
break;
default:
return -EINVAL;
}
return 0;
}
static int dst_set_fec(struct dst_state *state, enum fe_code_rate fec)
{
state->fec = fec;
return 0;
}
static enum fe_code_rate dst_get_fec(struct dst_state *state)
{
return state->fec;
}
static int dst_set_symbolrate(struct dst_state *state, u32 srate)
{
u32 symcalc;
u64 sval;
state->symbol_rate = srate;
if (state->dst_type == DST_TYPE_IS_TERR) {
return -EOPNOTSUPP;
}
dprintk(2, "set symrate %u\n", srate);
srate /= 1000;
if (state->dst_type == DST_TYPE_IS_SAT) {
if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
sval = srate;
sval <<= 20;
do_div(sval, 88000);
symcalc = (u32) sval;
dprintk(2, "set symcalc %u\n", symcalc);
state->tx_tuna[5] = (u8) (symcalc >> 12);
state->tx_tuna[6] = (u8) (symcalc >> 4);
state->tx_tuna[7] = (u8) (symcalc << 4);
} else {
state->tx_tuna[5] = (u8) (srate >> 16) & 0x7f;
state->tx_tuna[6] = (u8) (srate >> 8);
state->tx_tuna[7] = (u8) srate;
}
state->tx_tuna[8] &= ~0x20;
if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
if (srate > 8000)
state->tx_tuna[8] |= 0x20;
}
} else if (state->dst_type == DST_TYPE_IS_CABLE) {
dprintk(3, "%s\n", state->fw_name);
if (!strncmp(state->fw_name, "DCTNEW", 6)) {
state->tx_tuna[5] = (u8) (srate >> 8);
state->tx_tuna[6] = (u8) srate;
state->tx_tuna[7] = 0x00;
} else if (!strncmp(state->fw_name, "DCT-CI", 6)) {
state->tx_tuna[5] = 0x00;
state->tx_tuna[6] = (u8) (srate >> 8);
state->tx_tuna[7] = (u8) srate;
}
}
return 0;
}
static int dst_set_modulation(struct dst_state *state,
enum fe_modulation modulation)
{
if (state->dst_type != DST_TYPE_IS_CABLE)
return -EOPNOTSUPP;
state->modulation = modulation;
switch (modulation) {
case QAM_16:
state->tx_tuna[8] = 0x10;
break;
case QAM_32:
state->tx_tuna[8] = 0x20;
break;
case QAM_64:
state->tx_tuna[8] = 0x40;
break;
case QAM_128:
state->tx_tuna[8] = 0x80;
break;
case QAM_256:
if (!strncmp(state->fw_name, "DCTNEW", 6))
state->tx_tuna[8] = 0xff;
else if (!strncmp(state->fw_name, "DCT-CI", 6))
state->tx_tuna[8] = 0x00;
break;
case QPSK:
case QAM_AUTO:
case VSB_8:
case VSB_16:
default:
return -EINVAL;
}
return 0;
}
static enum fe_modulation dst_get_modulation(struct dst_state *state)
{
return state->modulation;
}
u8 dst_check_sum(u8 *buf, u32 len)
{
u32 i;
u8 val = 0;
if (!len)
return 0;
for (i = 0; i < len; i++) {
val += buf[i];
}
return ((~val) + 1);
}
EXPORT_SYMBOL(dst_check_sum);
static void dst_type_flags_print(struct dst_state *state)
{
u32 type_flags = state->type_flags;
pr_err("DST type flags :\n");
if (type_flags & DST_TYPE_HAS_TS188)
pr_err(" 0x%x newtuner\n", DST_TYPE_HAS_TS188);
if (type_flags & DST_TYPE_HAS_NEWTUNE_2)
pr_err(" 0x%x newtuner 2\n", DST_TYPE_HAS_NEWTUNE_2);
if (type_flags & DST_TYPE_HAS_TS204)
pr_err(" 0x%x ts204\n", DST_TYPE_HAS_TS204);
if (type_flags & DST_TYPE_HAS_VLF)
pr_err(" 0x%x VLF\n", DST_TYPE_HAS_VLF);
if (type_flags & DST_TYPE_HAS_SYMDIV)
pr_err(" 0x%x symdiv\n", DST_TYPE_HAS_SYMDIV);
if (type_flags & DST_TYPE_HAS_FW_1)
pr_err(" 0x%x firmware version = 1\n", DST_TYPE_HAS_FW_1);
if (type_flags & DST_TYPE_HAS_FW_2)
pr_err(" 0x%x firmware version = 2\n", DST_TYPE_HAS_FW_2);
if (type_flags & DST_TYPE_HAS_FW_3)
pr_err(" 0x%x firmware version = 3\n", DST_TYPE_HAS_FW_3);
pr_err("\n");
}
static int dst_type_print(struct dst_state *state, u8 type)
{
char *otype;
switch (type) {
case DST_TYPE_IS_SAT:
otype = "satellite";
break;
case DST_TYPE_IS_TERR:
otype = "terrestrial";
break;
case DST_TYPE_IS_CABLE:
otype = "cable";
break;
case DST_TYPE_IS_ATSC:
otype = "atsc";
break;
default:
dprintk(2, "invalid dst type %d\n", type);
return -EINVAL;
}
dprintk(2, "DST type: %s\n", otype);
return 0;
}
static struct tuner_types tuner_list[] = {
{
.tuner_type = TUNER_TYPE_L64724,
.tuner_name = "L 64724",
.board_name = "UNKNOWN",
.fw_name = "UNKNOWN"
},
{
.tuner_type = TUNER_TYPE_STV0299,
.tuner_name = "STV 0299",
.board_name = "VP1020",
.fw_name = "DST-MOT"
},
{
.tuner_type = TUNER_TYPE_STV0299,
.tuner_name = "STV 0299",
.board_name = "VP1020",
.fw_name = "DST-03T"
},
{
.tuner_type = TUNER_TYPE_MB86A15,
.tuner_name = "MB 86A15",
.board_name = "VP1022",
.fw_name = "DST-03T"
},
{
.tuner_type = TUNER_TYPE_MB86A15,
.tuner_name = "MB 86A15",
.board_name = "VP1025",
.fw_name = "DST-03T"
},
{
.tuner_type = TUNER_TYPE_STV0299,
.tuner_name = "STV 0299",
.board_name = "VP1030",
.fw_name = "DST-CI"
},
{
.tuner_type = TUNER_TYPE_STV0299,
.tuner_name = "STV 0299",
.board_name = "VP1030",
.fw_name = "DSTMCI"
},
{
.tuner_type = TUNER_TYPE_UNKNOWN,
.tuner_name = "UNKNOWN",
.board_name = "VP2021",
.fw_name = "DCTNEW"
},
{
.tuner_type = TUNER_TYPE_UNKNOWN,
.tuner_name = "UNKNOWN",
.board_name = "VP2030",
.fw_name = "DCT-CI"
},
{
.tuner_type = TUNER_TYPE_UNKNOWN,
.tuner_name = "UNKNOWN",
.board_name = "VP2031",
.fw_name = "DCT-CI"
},
{
.tuner_type = TUNER_TYPE_UNKNOWN,
.tuner_name = "UNKNOWN",
.board_name = "VP2040",
.fw_name = "DCT-CI"
},
{
.tuner_type = TUNER_TYPE_UNKNOWN,
.tuner_name = "UNKNOWN",
.board_name = "VP3020",
.fw_name = "DTTFTA"
},
{
.tuner_type = TUNER_TYPE_UNKNOWN,
.tuner_name = "UNKNOWN",
.board_name = "VP3021",
.fw_name = "DTTFTA"
},
{
.tuner_type = TUNER_TYPE_TDA10046,
.tuner_name = "TDA10046",
.board_name = "VP3040",
.fw_name = "DTT-CI"
},
{
.tuner_type = TUNER_TYPE_UNKNOWN,
.tuner_name = "UNKNOWN",
.board_name = "VP3051",
.fw_name = "DTTNXT"
},
{
.tuner_type = TUNER_TYPE_NXT200x,
.tuner_name = "NXT200x",
.board_name = "VP3220",
.fw_name = "ATSCDI"
},
{
.tuner_type = TUNER_TYPE_NXT200x,
.tuner_name = "NXT200x",
.board_name = "VP3250",
.fw_name = "ATSCAD"
},
};
static struct dst_types dst_tlist[] = {
{
.device_id = "200103A",
.offset = 0,
.dst_type = DST_TYPE_IS_SAT,
.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
.dst_feature = 0,
.tuner_type = 0
},
{
.device_id = "DST-020",
.offset = 0,
.dst_type = DST_TYPE_IS_SAT,
.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
.dst_feature = 0,
.tuner_type = 0
},
{
.device_id = "DST-030",
.offset = 0,
.dst_type = DST_TYPE_IS_SAT,
.type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_1,
.dst_feature = 0,
.tuner_type = 0
},
{
.device_id = "DST-03T",
.offset = 0,
.dst_type = DST_TYPE_IS_SAT,
.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
.dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
| DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO,
.tuner_type = TUNER_TYPE_MULTI
},
{
.device_id = "DST-MOT",
.offset = 0,
.dst_type = DST_TYPE_IS_SAT,
.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
.dst_feature = 0,
.tuner_type = 0
},
{
.device_id = "DST-CI",
.offset = 1,
.dst_type = DST_TYPE_IS_SAT,
.type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_1,
.dst_feature = DST_TYPE_HAS_CA,
.tuner_type = 0
},
{
.device_id = "DSTMCI",
.offset = 1,
.dst_type = DST_TYPE_IS_SAT,
.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,
.dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
| DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC,
.tuner_type = TUNER_TYPE_MULTI
},
{
.device_id = "DSTFCI",
.offset = 1,
.dst_type = DST_TYPE_IS_SAT,
.type_flags = DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_1,
.dst_feature = 0,
.tuner_type = 0
},
{
.device_id = "DCT-CI",
.offset = 1,
.dst_type = DST_TYPE_IS_CABLE,
.type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_VLF,
.dst_feature = DST_TYPE_HAS_CA,
.tuner_type = 0
},
{
.device_id = "DCTNEW",
.offset = 1,
.dst_type = DST_TYPE_IS_CABLE,
.type_flags = DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_MULTI_FE,
.dst_feature = 0,
.tuner_type = 0
},
{
.device_id = "DTT-CI",
.offset = 1,
.dst_type = DST_TYPE_IS_TERR,
.type_flags = DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_VLF,
.dst_feature = DST_TYPE_HAS_CA,
.tuner_type = 0
},
{
.device_id = "DTTDIG",
.offset = 1,
.dst_type = DST_TYPE_IS_TERR,
.type_flags = DST_TYPE_HAS_FW_2,
.dst_feature = 0,
.tuner_type = 0
},
{
.device_id = "DTTNXT",
.offset = 1,
.dst_type = DST_TYPE_IS_TERR,
.type_flags = DST_TYPE_HAS_FW_2,
.dst_feature = DST_TYPE_HAS_ANALOG,
.tuner_type = 0
},
{
.device_id = "ATSCDI",
.offset = 1,
.dst_type = DST_TYPE_IS_ATSC,
.type_flags = DST_TYPE_HAS_FW_2,
.dst_feature = 0,
.tuner_type = 0
},
{
.device_id = "ATSCAD",
.offset = 1,
.dst_type = DST_TYPE_IS_ATSC,
.type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
.dst_feature = DST_TYPE_HAS_MAC | DST_TYPE_HAS_ANALOG,
.tuner_type = 0
},
{ }
};
static int dst_get_mac(struct dst_state *state)
{
u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
get_mac[7] = dst_check_sum(get_mac, 7);
if (dst_command(state, get_mac, 8) < 0) {
dprintk(2, "Unsupported Command\n");
return -1;
}
memset(&state->mac_address, '\0', 8);
memcpy(&state->mac_address, &state->rxbuffer, 6);
pr_err("MAC Address=[%pM]\n", state->mac_address);
return 0;
}
static int dst_fw_ver(struct dst_state *state)
{
u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
get_ver[7] = dst_check_sum(get_ver, 7);
if (dst_command(state, get_ver, 8) < 0) {
dprintk(2, "Unsupported Command\n");
return -1;
}
memcpy(&state->fw_version, &state->rxbuffer, 8);
pr_err("Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x\n",
state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
state->fw_version[1],
state->fw_version[5], state->fw_version[6],
state->fw_version[4], state->fw_version[3], state->fw_version[2]);
return 0;
}
static int dst_card_type(struct dst_state *state)
{
int j;
struct tuner_types *p_tuner_list = NULL;
u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
get_type[7] = dst_check_sum(get_type, 7);
if (dst_command(state, get_type, 8) < 0) {
dprintk(2, "Unsupported Command\n");
return -1;
}
memset(&state->card_info, '\0', 8);
memcpy(&state->card_info, &state->rxbuffer, 7);
pr_err("Device Model=[%s]\n", &state->card_info[0]);
for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
if (!strcmp(&state->card_info[0], p_tuner_list->board_name)) {
state->tuner_type = p_tuner_list->tuner_type;
pr_err("DST has [%s] tuner, tuner type=[%d]\n",
p_tuner_list->tuner_name, p_tuner_list->tuner_type);
}
}
return 0;
}
static int dst_get_vendor(struct dst_state *state)
{
u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
get_vendor[7] = dst_check_sum(get_vendor, 7);
if (dst_command(state, get_vendor, 8) < 0) {
dprintk(2, "Unsupported Command\n");
return -1;
}
memset(&state->vendor, '\0', 8);
memcpy(&state->vendor, &state->rxbuffer, 7);
pr_err("Vendor=[%s]\n", &state->vendor[0]);
return 0;
}
static void debug_dst_buffer(struct dst_state *state)
{
dprintk(3, "%s: [ %*ph ]\n", __func__, 8, state->rxbuffer);
}
static int dst_check_stv0299(struct dst_state *state)
{
u8 check_stv0299[] = { 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
check_stv0299[7] = dst_check_sum(check_stv0299, 7);
if (dst_command(state, check_stv0299, 8) < 0) {
pr_err("Cmd=[0x04] failed\n");
return -1;
}
debug_dst_buffer(state);
if (memcmp(&check_stv0299, &state->rxbuffer, 8)) {
pr_err("Found a STV0299 NIM\n");
state->tuner_type = TUNER_TYPE_STV0299;
return 0;
}
return -1;
}
static int dst_check_mb86a15(struct dst_state *state)
{
u8 check_mb86a15[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
check_mb86a15[7] = dst_check_sum(check_mb86a15, 7);
if (dst_command(state, check_mb86a15, 8) < 0) {
pr_err("Cmd=[0x10], failed\n");
return -1;
}
debug_dst_buffer(state);
if (memcmp(&check_mb86a15, &state->rxbuffer, 8) < 0) {
pr_err("Found a MB86A15 NIM\n");
state->tuner_type = TUNER_TYPE_MB86A15;
return 0;
}
return -1;
}
static int dst_get_tuner_info(struct dst_state *state)
{
u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
u8 get_tuner_2[] = { 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
pr_err("DST TYpe = MULTI FE\n");
if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
if (dst_command(state, get_tuner_1, 8) < 0) {
dprintk(2, "Cmd=[0x13], Unsupported\n");
goto force;
}
} else {
if (dst_command(state, get_tuner_2, 8) < 0) {
dprintk(2, "Cmd=[0xb], Unsupported\n");
goto force;
}
}
memcpy(&state->board_info, &state->rxbuffer, 8);
if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
pr_err("DST type has TS=188\n");
}
if (state->board_info[0] == 0xbc) {
if (state->dst_type != DST_TYPE_IS_ATSC)
state->type_flags |= DST_TYPE_HAS_TS188;
else
state->type_flags |= DST_TYPE_HAS_NEWTUNE_2;
if (state->board_info[1] == 0x01) {
state->dst_hw_cap |= DST_TYPE_HAS_DBOARD;
pr_err("DST has Daughterboard\n");
}
}
return 0;
force:
if (!strncmp(state->fw_name, "DCT-CI", 6)) {
state->type_flags |= DST_TYPE_HAS_TS204;
pr_err("Forcing [%s] to TS188\n", state->fw_name);
}
return -1;
}
static int dst_get_device_id(struct dst_state *state)
{
u8 reply;
int i, j;
struct dst_types *p_dst_type = NULL;
struct tuner_types *p_tuner_list = NULL;
u8 use_dst_type = 0;
u32 use_type_flags = 0;
static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
state->tuner_type = 0;
device_type[7] = dst_check_sum(device_type, 7);
if (write_dst(state, device_type, FIXED_COMM))
return -1;
if ((dst_pio_disable(state)) < 0)
return -1;
if (read_dst(state, &reply, GET_ACK))
return -1;
if (reply != ACK) {
dprintk(2, "Write not Acknowledged! [Reply=0x%02x]\n", reply);
return -1;
}
if (!dst_wait_dst_ready(state, DEVICE_INIT))
return -1;
if (read_dst(state, state->rxbuffer, FIXED_COMM))
return -1;
dst_pio_disable(state);
if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
dprintk(2, "Checksum failure!\n");
return -1;
}
state->rxbuffer[7] = '\0';
for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
use_type_flags = p_dst_type->type_flags;
use_dst_type = p_dst_type->dst_type;
state->dst_hw_cap = p_dst_type->dst_feature;
pr_err("Recognise [%s]\n", p_dst_type->device_id);
strscpy(state->fw_name, p_dst_type->device_id,
sizeof(state->fw_name));
if (p_dst_type->tuner_type & TUNER_TYPE_MULTI) {
switch (use_dst_type) {
case DST_TYPE_IS_SAT:
if (dst_check_stv0299(state) < 0) {
pr_err("Unsupported\n");
state->tuner_type = TUNER_TYPE_MB86A15;
}
break;
default:
break;
}
if (dst_check_mb86a15(state) < 0)
pr_err("Unsupported\n");
} else {
state->tuner_type = p_dst_type->tuner_type;
}
for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
if (!(strncmp(p_dst_type->device_id, p_tuner_list->fw_name, 7)) &&
p_tuner_list->tuner_type == state->tuner_type) {
pr_err("[%s] has a [%s]\n",
p_dst_type->device_id, p_tuner_list->tuner_name);
}
}
break;
}
}
if (i >= ARRAY_SIZE(dst_tlist)) {
pr_err("Unable to recognize %s or %s\n", &state->rxbuffer[0], &state->rxbuffer[1]);
pr_err("please email linux-dvb@linuxtv.org with this type in");
use_dst_type = DST_TYPE_IS_SAT;
use_type_flags = DST_TYPE_HAS_SYMDIV;
}
dst_type_print(state, use_dst_type);
state->type_flags = use_type_flags;
state->dst_type = use_dst_type;
dst_type_flags_print(state);
return 0;
}
static int dst_probe(struct dst_state *state)
{
mutex_init(&state->dst_mutex);
if (dst_addons & DST_TYPE_HAS_CA) {
if ((rdc_8820_reset(state)) < 0) {
pr_err("RDC 8820 RESET Failed.\n");
return -1;
}
msleep(4000);
} else {
msleep(100);
}
if ((dst_comm_init(state)) < 0) {
pr_err("DST Initialization Failed.\n");
return -1;
}
msleep(100);
if (dst_get_device_id(state) < 0) {
pr_err("unknown device.\n");
return -1;
}
if (dst_get_mac(state) < 0) {
dprintk(2, "MAC: Unsupported command\n");
}
if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
if (dst_get_tuner_info(state) < 0)
dprintk(2, "Tuner: Unsupported command\n");
}
if (state->type_flags & DST_TYPE_HAS_TS204) {
dst_packsize(state, 204);
}
if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
if (dst_fw_ver(state) < 0) {
dprintk(2, "FW: Unsupported command\n");
return 0;
}
if (dst_card_type(state) < 0) {
dprintk(2, "Card: Unsupported command\n");
return 0;
}
if (dst_get_vendor(state) < 0) {
dprintk(2, "Vendor: Unsupported command\n");
return 0;
}
}
return 0;
}
static int dst_command(struct dst_state *state, u8 *data, u8 len)
{
u8 reply;
mutex_lock(&state->dst_mutex);
if ((dst_comm_init(state)) < 0) {
dprintk(1, "DST Communication Initialization Failed.\n");
goto error;
}
if (write_dst(state, data, len)) {
dprintk(2, "Trying to recover..\n");
if ((dst_error_recovery(state)) < 0) {
pr_err("Recovery Failed.\n");
goto error;
}
goto error;
}
if ((dst_pio_disable(state)) < 0) {
pr_err("PIO Disable Failed.\n");
goto error;
}
if (state->type_flags & DST_TYPE_HAS_FW_1)
mdelay(3);
if (read_dst(state, &reply, GET_ACK)) {
dprintk(3, "Trying to recover..\n");
if ((dst_error_recovery(state)) < 0) {
dprintk(2, "Recovery Failed.\n");
goto error;
}
goto error;
}
if (reply != ACK) {
dprintk(2, "write not acknowledged 0x%02x\n", reply);
goto error;
}
if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
goto error;
if (state->type_flags & DST_TYPE_HAS_FW_1)
mdelay(3);
else
udelay(2000);
if (!dst_wait_dst_ready(state, NO_DELAY))
goto error;
if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
dprintk(3, "Trying to recover..\n");
if ((dst_error_recovery(state)) < 0) {
dprintk(2, "Recovery failed.\n");
goto error;
}
goto error;
}
if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
dprintk(2, "checksum failure\n");
goto error;
}
mutex_unlock(&state->dst_mutex);
return 0;
error:
mutex_unlock(&state->dst_mutex);
return -EIO;
}
static int dst_get_signal(struct dst_state *state)
{
int retval;
u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
state->decode_lock = state->decode_strength = state->decode_snr = 0;
return 0;
}
if (0 == (state->diseq_flags & HAS_LOCK)) {
state->decode_lock = state->decode_strength = state->decode_snr = 0;
return 0;
}
if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
retval = dst_command(state, get_signal, 8);
if (retval < 0)
return retval;
if (state->dst_type == DST_TYPE_IS_SAT) {
state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
state->decode_strength = state->rxbuffer[5] << 8;
state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
} else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
state->decode_strength = state->rxbuffer[4] << 8;
state->decode_snr = state->rxbuffer[3] << 8;
} else if (state->dst_type == DST_TYPE_IS_ATSC) {
state->decode_lock = (state->rxbuffer[6] == 0x00) ? 1 : 0;
state->decode_strength = state->rxbuffer[4] << 8;
state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
}
state->cur_jiff = jiffies;
}
return 0;
}
static int dst_tone_power_cmd(struct dst_state *state)
{
u8 packet[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
if (state->dst_type != DST_TYPE_IS_SAT)
return -EOPNOTSUPP;
packet[4] = state->tx_tuna[4];
packet[2] = state->tx_tuna[2];
packet[3] = state->tx_tuna[3];
packet[7] = dst_check_sum (packet, 7);
return dst_command(state, packet, 8);
}
static int dst_get_tuna(struct dst_state *state)
{
int retval;
if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
return 0;
state->diseq_flags &= ~(HAS_LOCK);
if (!dst_wait_dst_ready(state, NO_DELAY))
return -EIO;
if ((state->type_flags & DST_TYPE_HAS_VLF) &&
!(state->dst_type == DST_TYPE_IS_ATSC))
retval = read_dst(state, state->rx_tuna, 10);
else
retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
if (retval < 0) {
dprintk(3, "read not successful\n");
return retval;
}
if ((state->type_flags & DST_TYPE_HAS_VLF) &&
!(state->dst_type == DST_TYPE_IS_ATSC)) {
if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
dprintk(2, "checksum failure ?\n");
return -EIO;
}
} else {
if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
dprintk(2, "checksum failure?\n");
return -EIO;
}
}
if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
return 0;
if (state->dst_type == DST_TYPE_IS_SAT) {
state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
} else {
state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 16) + (state->rx_tuna[3] << 8) + state->rx_tuna[4];
}
state->decode_freq = state->decode_freq * 1000;
state->decode_lock = 1;
state->diseq_flags |= HAS_LOCK;
return 1;
}
static int dst_set_voltage(struct dvb_frontend *fe,
enum fe_sec_voltage voltage);
static int dst_write_tuna(struct dvb_frontend *fe)
{
struct dst_state *state = fe->demodulator_priv;
int retval;
u8 reply;
dprintk(2, "type_flags 0x%x\n", state->type_flags);
state->decode_freq = 0;
state->decode_lock = state->decode_strength = state->decode_snr = 0;
if (state->dst_type == DST_TYPE_IS_SAT) {
if (!(state->diseq_flags & HAS_POWER))
dst_set_voltage(fe, SEC_VOLTAGE_13);
}
state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
mutex_lock(&state->dst_mutex);
if ((dst_comm_init(state)) < 0) {
dprintk(3, "DST Communication initialization failed.\n");
goto error;
}
if ((state->type_flags & DST_TYPE_HAS_VLF) &&
(!(state->dst_type == DST_TYPE_IS_ATSC))) {
state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
retval = write_dst(state, &state->tx_tuna[0], 10);
} else {
state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
}
if (retval < 0) {
dst_pio_disable(state);
dprintk(3, "write not successful\n");
goto werr;
}
if ((dst_pio_disable(state)) < 0) {
dprintk(3, "DST PIO disable failed !\n");
goto error;
}
if ((read_dst(state, &reply, GET_ACK) < 0)) {
dprintk(3, "read verify not successful.\n");
goto error;
}
if (reply != ACK) {
dprintk(3, "write not acknowledged 0x%02x\n", reply);
goto error;
}
state->diseq_flags |= ATTEMPT_TUNE;
retval = dst_get_tuna(state);
werr:
mutex_unlock(&state->dst_mutex);
return retval;
error:
mutex_unlock(&state->dst_mutex);
return -EIO;
}
static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
{
struct dst_state *state = fe->demodulator_priv;
u8 packet[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
if (state->dst_type != DST_TYPE_IS_SAT)
return -EOPNOTSUPP;
if (cmd->msg_len > 0 && cmd->msg_len < 5)
memcpy(&packet[3], cmd->msg, cmd->msg_len);
else if (cmd->msg_len == 5 && state->dst_hw_cap & DST_TYPE_HAS_DISEQC5)
memcpy(&packet[2], cmd->msg, cmd->msg_len);
else
return -EINVAL;
packet[7] = dst_check_sum(&packet[0], 7);
return dst_command(state, packet, 8);
}
static int dst_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage)
{
int need_cmd, retval = 0;
struct dst_state *state = fe->demodulator_priv;
state->voltage = voltage;
if (state->dst_type != DST_TYPE_IS_SAT)
return -EOPNOTSUPP;
need_cmd = 0;
switch (voltage) {
case SEC_VOLTAGE_13:
case SEC_VOLTAGE_18:
if ((state->diseq_flags & HAS_POWER) == 0)
need_cmd = 1;
state->diseq_flags |= HAS_POWER;
state->tx_tuna[4] = 0x01;
break;
case SEC_VOLTAGE_OFF:
need_cmd = 1;
state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
state->tx_tuna[4] = 0x00;
break;
default:
return -EINVAL;
}
if (need_cmd)
retval = dst_tone_power_cmd(state);
return retval;
}
static int dst_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone)
{
struct dst_state *state = fe->demodulator_priv;
state->tone = tone;
if (state->dst_type != DST_TYPE_IS_SAT)
return -EOPNOTSUPP;
switch (tone) {
case SEC_TONE_OFF:
if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
state->tx_tuna[2] = 0x00;
else
state->tx_tuna[2] = 0xff;
break;
case SEC_TONE_ON:
state->tx_tuna[2] = 0x02;
break;
default:
return -EINVAL;
}
return dst_tone_power_cmd(state);
}
static int dst_send_burst(struct dvb_frontend *fe, enum fe_sec_mini_cmd minicmd)
{
struct dst_state *state = fe->demodulator_priv;
if (state->dst_type != DST_TYPE_IS_SAT)
return -EOPNOTSUPP;
state->minicmd = minicmd;
switch (minicmd) {
case SEC_MINI_A:
state->tx_tuna[3] = 0x02;
break;
case SEC_MINI_B:
state->tx_tuna[3] = 0xff;
break;
}
return dst_tone_power_cmd(state);
}
static int bt8xx_dst_init(struct dvb_frontend *fe)
{
struct dst_state *state = fe->demodulator_priv;
static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
static u8 atsc_tuner[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
state->inversion = INVERSION_OFF;
state->voltage = SEC_VOLTAGE_13;
state->tone = SEC_TONE_OFF;
state->diseq_flags = 0;
state->k22 = 0x02;
state->bandwidth = 7000000;
state->cur_jiff = jiffies;
if (state->dst_type == DST_TYPE_IS_SAT)
memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
else if (state->dst_type == DST_TYPE_IS_TERR)
memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
else if (state->dst_type == DST_TYPE_IS_CABLE)
memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
else if (state->dst_type == DST_TYPE_IS_ATSC)
memcpy(state->tx_tuna, atsc_tuner, sizeof (atsc_tuner));
return 0;
}
static int dst_read_status(struct dvb_frontend *fe, enum fe_status *status)
{
struct dst_state *state = fe->demodulator_priv;
*status = 0;
if (state->diseq_flags & HAS_LOCK) {
if (state->decode_lock)
*status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
}
return 0;
}
static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
{
struct dst_state *state = fe->demodulator_priv;
int retval = dst_get_signal(state);
*strength = state->decode_strength;
return retval;
}
static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
{
struct dst_state *state = fe->demodulator_priv;
int retval = dst_get_signal(state);
*snr = state->decode_snr;
return retval;
}
static int dst_set_frontend(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
int retval = -EINVAL;
struct dst_state *state = fe->demodulator_priv;
if (p != NULL) {
retval = dst_set_freq(state, p->frequency);
if(retval != 0)
return retval;
dprintk(3, "Set Frequency=[%d]\n", p->frequency);
if (state->dst_type == DST_TYPE_IS_SAT) {
if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
dst_set_inversion(state, p->inversion);
dst_set_fec(state, p->fec_inner);
dst_set_symbolrate(state, p->symbol_rate);
dst_set_polarization(state);
dprintk(3, "Set Symbolrate=[%d]\n", p->symbol_rate);
} else if (state->dst_type == DST_TYPE_IS_TERR)
dst_set_bandwidth(state, p->bandwidth_hz);
else if (state->dst_type == DST_TYPE_IS_CABLE) {
dst_set_fec(state, p->fec_inner);
dst_set_symbolrate(state, p->symbol_rate);
dst_set_modulation(state, p->modulation);
}
retval = dst_write_tuna(fe);
}
return retval;
}
static int dst_tune_frontend(struct dvb_frontend* fe,
bool re_tune,
unsigned int mode_flags,
unsigned int *delay,
enum fe_status *status)
{
struct dst_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
if (re_tune) {
dst_set_freq(state, p->frequency);
dprintk(3, "Set Frequency=[%d]\n", p->frequency);
if (state->dst_type == DST_TYPE_IS_SAT) {
if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
dst_set_inversion(state, p->inversion);
dst_set_fec(state, p->fec_inner);
dst_set_symbolrate(state, p->symbol_rate);
dst_set_polarization(state);
dprintk(3, "Set Symbolrate=[%d]\n", p->symbol_rate);
} else if (state->dst_type == DST_TYPE_IS_TERR)
dst_set_bandwidth(state, p->bandwidth_hz);
else if (state->dst_type == DST_TYPE_IS_CABLE) {
dst_set_fec(state, p->fec_inner);
dst_set_symbolrate(state, p->symbol_rate);
dst_set_modulation(state, p->modulation);
}
dst_write_tuna(fe);
}
if (!(mode_flags & FE_TUNE_MODE_ONESHOT))
dst_read_status(fe, status);
*delay = HZ/10;
return 0;
}
static enum dvbfe_algo dst_get_tuning_algo(struct dvb_frontend *fe)
{
return dst_algo ? DVBFE_ALGO_HW : DVBFE_ALGO_SW;
}
static int dst_get_frontend(struct dvb_frontend *fe,
struct dtv_frontend_properties *p)
{
struct dst_state *state = fe->demodulator_priv;
p->frequency = state->decode_freq;
if (state->dst_type == DST_TYPE_IS_SAT) {
if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
p->inversion = state->inversion;
p->symbol_rate = state->symbol_rate;
p->fec_inner = dst_get_fec(state);
} else if (state->dst_type == DST_TYPE_IS_TERR) {
p->bandwidth_hz = state->bandwidth;
} else if (state->dst_type == DST_TYPE_IS_CABLE) {
p->symbol_rate = state->symbol_rate;
p->fec_inner = dst_get_fec(state);
p->modulation = dst_get_modulation(state);
}
return 0;
}
static void bt8xx_dst_release(struct dvb_frontend *fe)
{
struct dst_state *state = fe->demodulator_priv;
if (state->dst_ca) {
dvb_unregister_device(state->dst_ca);
#ifdef CONFIG_MEDIA_ATTACH
symbol_put(dst_ca_attach);
#endif
}
kfree(state);
}
static const struct dvb_frontend_ops dst_dvbt_ops;
static const struct dvb_frontend_ops dst_dvbs_ops;
static const struct dvb_frontend_ops dst_dvbc_ops;
static const struct dvb_frontend_ops dst_atsc_ops;
struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
{
if (dst_probe(state) < 0) {
kfree(state);
return NULL;
}
switch (state->dst_type) {
case DST_TYPE_IS_TERR:
memcpy(&state->frontend.ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
break;
case DST_TYPE_IS_CABLE:
memcpy(&state->frontend.ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
break;
case DST_TYPE_IS_SAT:
memcpy(&state->frontend.ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
break;
case DST_TYPE_IS_ATSC:
memcpy(&state->frontend.ops, &dst_atsc_ops, sizeof(struct dvb_frontend_ops));
break;
default:
pr_err("unknown DST type. please report to the LinuxTV.org DVB mailinglist.\n");
kfree(state);
return NULL;
}
state->frontend.demodulator_priv = state;
return state;
}
EXPORT_SYMBOL_GPL(dst_attach);
static const struct dvb_frontend_ops dst_dvbt_ops = {
.delsys = { SYS_DVBT },
.info = {
.name = "DST DVB-T",
.frequency_min_hz = 137 * MHz,
.frequency_max_hz = 858 * MHz,
.frequency_stepsize_hz = 166667,
.caps = FE_CAN_FEC_AUTO |
FE_CAN_QAM_AUTO |
FE_CAN_QAM_16 |
FE_CAN_QAM_32 |
FE_CAN_QAM_64 |
FE_CAN_QAM_128 |
FE_CAN_QAM_256 |
FE_CAN_TRANSMISSION_MODE_AUTO |
FE_CAN_GUARD_INTERVAL_AUTO
},
.release = bt8xx_dst_release,
.init = bt8xx_dst_init,
.tune = dst_tune_frontend,
.set_frontend = dst_set_frontend,
.get_frontend = dst_get_frontend,
.get_frontend_algo = dst_get_tuning_algo,
.read_status = dst_read_status,
.read_signal_strength = dst_read_signal_strength,
.read_snr = dst_read_snr,
};
static const struct dvb_frontend_ops dst_dvbs_ops = {
.delsys = { SYS_DVBS },
.info = {
.name = "DST DVB-S",
.frequency_min_hz = 950 * MHz,
.frequency_max_hz = 2150 * MHz,
.frequency_stepsize_hz = 1 * MHz,
.frequency_tolerance_hz = 29500 * kHz,
.symbol_rate_min = 1000000,
.symbol_rate_max = 45000000,
.caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
},
.release = bt8xx_dst_release,
.init = bt8xx_dst_init,
.tune = dst_tune_frontend,
.set_frontend = dst_set_frontend,
.get_frontend = dst_get_frontend,
.get_frontend_algo = dst_get_tuning_algo,
.read_status = dst_read_status,
.read_signal_strength = dst_read_signal_strength,
.read_snr = dst_read_snr,
.diseqc_send_burst = dst_send_burst,
.diseqc_send_master_cmd = dst_set_diseqc,
.set_voltage = dst_set_voltage,
.set_tone = dst_set_tone,
};
static const struct dvb_frontend_ops dst_dvbc_ops = {
.delsys = { SYS_DVBC_ANNEX_A },
.info = {
.name = "DST DVB-C",
.frequency_min_hz = 51 * MHz,
.frequency_max_hz = 858 * MHz,
.frequency_stepsize_hz = 62500,
.symbol_rate_min = 1000000,
.symbol_rate_max = 45000000,
.caps = FE_CAN_FEC_AUTO |
FE_CAN_QAM_AUTO |
FE_CAN_QAM_16 |
FE_CAN_QAM_32 |
FE_CAN_QAM_64 |
FE_CAN_QAM_128 |
FE_CAN_QAM_256
},
.release = bt8xx_dst_release,
.init = bt8xx_dst_init,
.tune = dst_tune_frontend,
.set_frontend = dst_set_frontend,
.get_frontend = dst_get_frontend,
.get_frontend_algo = dst_get_tuning_algo,
.read_status = dst_read_status,
.read_signal_strength = dst_read_signal_strength,
.read_snr = dst_read_snr,
};
static const struct dvb_frontend_ops dst_atsc_ops = {
.delsys = { SYS_ATSC },
.info = {
.name = "DST ATSC",
.frequency_min_hz = 510 * MHz,
.frequency_max_hz = 858 * MHz,
.frequency_stepsize_hz = 62500,
.symbol_rate_min = 1000000,
.symbol_rate_max = 45000000,
.caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
},
.release = bt8xx_dst_release,
.init = bt8xx_dst_init,
.tune = dst_tune_frontend,
.set_frontend = dst_set_frontend,
.get_frontend = dst_get_frontend,
.get_frontend_algo = dst_get_tuning_algo,
.read_status = dst_read_status,
.read_signal_strength = dst_read_signal_strength,
.read_snr = dst_read_snr,
};
MODULE_DESCRIPTION("DST DVB-S/T/C/ATSC Combo Frontend driver");
MODULE_AUTHOR("Jamie Honan, Manu Abraham");
MODULE_LICENSE("GPL");
