summaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb/frontends/mb86a16.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb/frontends/mb86a16.c')
-rw-r--r--drivers/media/dvb/frontends/mb86a16.c109
1 files changed, 58 insertions, 51 deletions
diff --git a/drivers/media/dvb/frontends/mb86a16.c b/drivers/media/dvb/frontends/mb86a16.c
index 33387b78d85..32f20c68144 100644
--- a/drivers/media/dvb/frontends/mb86a16.c
+++ b/drivers/media/dvb/frontends/mb86a16.c
@@ -37,11 +37,11 @@ struct mb86a16_state {
const struct mb86a16_config *config;
struct dvb_frontend frontend;
- // tuning parameters
+ /* tuning parameters */
int frequency;
int srate;
- // Internal stuff
+ /* Internal stuff */
int master_clk;
int deci;
int csel;
@@ -105,7 +105,7 @@ static int mb86a16_read(struct mb86a16_state *state, u8 reg, u8 *val)
.flags = 0,
.buf = b0,
.len = 1
- },{
+ }, {
.addr = state->config->demod_address,
.flags = I2C_M_RD,
.buf = b1,
@@ -435,7 +435,7 @@ static int signal_det(struct mb86a16_state *state,
wait_sym = 80000;
}
for (i = 0; i < 3; i++) {
- if (i == 0 )
+ if (i == 0)
smrtd = smrt * 98 / 100;
else if (i == 1)
smrtd = smrt;
@@ -480,11 +480,11 @@ static int rf_val_set(struct mb86a16_state *state,
unsigned char rf_val[5];
int ack = -1;
- if (smrt > 37750 )
+ if (smrt > 37750)
C = 1;
else if (smrt > 18875)
C = 2;
- else if (smrt > 5500 )
+ else if (smrt > 5500)
C = 3;
else
C = 4;
@@ -526,7 +526,7 @@ static int rf_val_set(struct mb86a16_state *state,
rf_val[2] = (M & 0x00ff0) >> 4;
rf_val[3] = ((M & 0x0000f) << 4) | B;
- // Frequency Set
+ /* Frequency Set */
if (mb86a16_write(state, 0x21, rf_val[0]) < 0)
ack = 0;
if (mb86a16_write(state, 0x22, rf_val[1]) < 0)
@@ -655,8 +655,8 @@ static int freqerr_chk(struct mb86a16_state *state,
unsigned char CRM, AFCML, AFCMH;
unsigned char temp1, temp2, temp3;
int crm, afcm, AFCM;
- int crrerr, afcerr; // [kHz]
- int frqerr; // [MHz]
+ int crrerr, afcerr; /* kHz */
+ int frqerr; /* MHz */
int afcen, afcexen = 0;
int R, M, fOSC, fOSC_OFS;
@@ -718,12 +718,12 @@ static int freqerr_chk(struct mb86a16_state *state,
fOSC_OFS = fOSC - fTP;
- if (unit == 0) { //[MHz]
+ if (unit == 0) { /* MHz */
if (crrerr + afcerr + fOSC_OFS * 1000 >= 0)
frqerr = (crrerr + afcerr + fOSC_OFS * 1000 + 500) / 1000;
else
frqerr = (crrerr + afcerr + fOSC_OFS * 1000 - 500) / 1000;
- } else { //[kHz]
+ } else { /* kHz */
frqerr = crrerr + afcerr + fOSC_OFS * 1000;
}
@@ -760,13 +760,13 @@ static void swp_info_get(struct mb86a16_state *state,
crnt_swp_freq = fOSC_start * 1000 + v * swp_ofs;
- if (R == 0 )
+ if (R == 0)
*fOSC = (crnt_swp_freq + 1000) / 2000 * 2;
else
*fOSC = (crnt_swp_freq + 500) / 1000;
if (*fOSC >= crnt_swp_freq)
- *afcex_freq = *fOSC *1000 - crnt_swp_freq;
+ *afcex_freq = *fOSC * 1000 - crnt_swp_freq;
else
*afcex_freq = crnt_swp_freq - *fOSC * 1000;
@@ -782,7 +782,7 @@ static int swp_freq_calcuation(struct mb86a16_state *state, int i, int v, int *V
int swp_freq ;
if ((i % 2 == 1) && (v <= vmax)) {
- // positive v (case 1)
+ /* positive v (case 1) */
if ((v - 1 == vmin) &&
(*(V + 30 + v) >= 0) &&
(*(V + 30 + v - 1) >= 0) &&
@@ -796,7 +796,7 @@ static int swp_freq_calcuation(struct mb86a16_state *state, int i, int v, int *V
(*(V + 30 + v - 1) >= 0) &&
(*(V + 30 + v) > *(V + 30 + v - 1)) &&
(*(V + 30 + v) > SIGMIN)) {
- // (case 2)
+ /* (case 2) */
swp_freq = fOSC * 1000 + afcex_freq;
*SIG1 = *(V + 30 + v);
} else if ((*(V + 30 + v) > 0) &&
@@ -807,7 +807,7 @@ static int swp_freq_calcuation(struct mb86a16_state *state, int i, int v, int *V
(*(V + 30 + v - 2) > *(V + 30 + v - 3)) &&
((*(V + 30 + v - 1) > SIGMIN) ||
(*(V + 30 + v - 2) > SIGMIN))) {
- // (case 3)
+ /* (case 3) */
if (*(V + 30 + v - 1) >= *(V + 30 + v - 2)) {
swp_freq = fOSC * 1000 + afcex_freq - swp_ofs;
*SIG1 = *(V + 30 + v - 1);
@@ -823,7 +823,7 @@ static int swp_freq_calcuation(struct mb86a16_state *state, int i, int v, int *V
(*(V + 30 + v - 1) > *(V + 30 + v - 2)) &&
((*(V + 30 + v) > SIGMIN) ||
(*(V + 30 + v - 1) > SIGMIN))) {
- // (case 4)
+ /* (case 4) */
if (*(V + 30 + v) >= *(V + 30 + v - 1)) {
swp_freq = fOSC * 1000 + afcex_freq;
*SIG1 = *(V + 30 + v);
@@ -835,7 +835,7 @@ static int swp_freq_calcuation(struct mb86a16_state *state, int i, int v, int *V
swp_freq = -1 ;
}
} else if ((i % 2 == 0) && (v >= vmin)) {
- // Negative v (case 1)
+ /* Negative v (case 1) */
if ((*(V + 30 + v) > 0) &&
(*(V + 30 + v + 1) > 0) &&
(*(V + 30 + v + 2) > 0) &&
@@ -850,7 +850,7 @@ static int swp_freq_calcuation(struct mb86a16_state *state, int i, int v, int *V
(*(V + 30 + v + 1) >= 0) &&
(*(V + 30 + v + 1) > *(V + 30 + v)) &&
(*(V + 30 + v + 1) > SIGMIN)) {
- // (case 2)
+ /* (case 2) */
swp_freq = fOSC * 1000 + afcex_freq + swp_ofs;
*SIG1 = *(V + 30 + v);
} else if ((v == vmin) &&
@@ -860,18 +860,18 @@ static int swp_freq_calcuation(struct mb86a16_state *state, int i, int v, int *V
(*(V + 30 + v) > *(V + 30 + v + 1)) &&
(*(V + 30 + v) > *(V + 30 + v + 2)) &&
(*(V + 30 + v) > SIGMIN)) {
- // (case 3)
+ /* (case 3) */
swp_freq = fOSC * 1000 + afcex_freq;
*SIG1 = *(V + 30 + v);
} else if ((*(V + 30 + v) >= 0) &&
(*(V + 30 + v + 1) >= 0) &&
(*(V + 30 + v + 2) >= 0) &&
- (*(V +30 + v + 3) >= 0) &&
+ (*(V + 30 + v + 3) >= 0) &&
(*(V + 30 + v + 1) > *(V + 30 + v)) &&
(*(V + 30 + v + 2) > *(V + 30 + v + 3)) &&
((*(V + 30 + v + 1) > SIGMIN) ||
(*(V + 30 + v + 2) > SIGMIN))) {
- // (case 4)
+ /* (case 4) */
if (*(V + 30 + v + 1) >= *(V + 30 + v + 2)) {
swp_freq = fOSC * 1000 + afcex_freq + swp_ofs;
*SIG1 = *(V + 30 + v + 1);
@@ -889,7 +889,7 @@ static int swp_freq_calcuation(struct mb86a16_state *state, int i, int v, int *V
(*(V + 30 + v + 1) > *(V + 30 + v + 3)) &&
((*(V + 30 + v) > SIGMIN) ||
(*(V + 30 + v + 1) > SIGMIN))) {
- // (case 5)
+ /* (case 5) */
if (*(V + 30 + v) >= *(V + 30 + v + 1)) {
swp_freq = fOSC * 1000 + afcex_freq;
*SIG1 = *(V + 30 + v);
@@ -905,7 +905,7 @@ static int swp_freq_calcuation(struct mb86a16_state *state, int i, int v, int *V
(*(V + 30 + v + 2) > *(V + 30 + v)) &&
((*(V + 30 + v + 1) > SIGMIN) ||
(*(V + 30 + v + 2) > SIGMIN))) {
- // (case 6)
+ /* (case 6) */
if (*(V + 30 + v + 1) >= *(V + 30 + v + 2)) {
swp_freq = fOSC * 1000 + afcex_freq + swp_ofs;
*SIG1 = *(V + 30 + v + 1);
@@ -916,8 +916,10 @@ static int swp_freq_calcuation(struct mb86a16_state *state, int i, int v, int *V
} else if ((vmax == 0) && (vmin == 0) && (*(V + 30 + v) > SIGMIN)) {
swp_freq = fOSC * 1000;
*SIG1 = *(V + 30 + v);
- } else swp_freq = -1;
- } else swp_freq = -1;
+ } else
+ swp_freq = -1;
+ } else
+ swp_freq = -1;
return swp_freq;
}
@@ -962,7 +964,7 @@ static void afcex_info_get(struct mb86a16_state *state,
static int SEQ_set(struct mb86a16_state *state, unsigned char loop)
{
- // SLOCK0 = 0
+ /* SLOCK0 = 0 */
if (mb86a16_write(state, 0x32, 0x02 | (loop << 2)) < 0) {
dprintk(verbose, MB86A16_ERROR, 1, "I2C transfer error");
return -EREMOTEIO;
@@ -973,7 +975,7 @@ static int SEQ_set(struct mb86a16_state *state, unsigned char loop)
static int iq_vt_set(struct mb86a16_state *state, unsigned char IQINV)
{
- // Viterbi Rate, IQ Settings
+ /* Viterbi Rate, IQ Settings */
if (mb86a16_write(state, 0x06, 0xdf | (IQINV << 5)) < 0) {
dprintk(verbose, MB86A16_ERROR, 1, "I2C transfer error");
return -EREMOTEIO;
@@ -1031,7 +1033,7 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
unsigned char TIMINT1, TIMINT2, TIMEXT;
unsigned char S0T, S1T;
unsigned char S2T;
-// unsigned char S2T, S3T;
+/* unsigned char S2T, S3T; */
unsigned char S4T, S5T;
unsigned char AFCEX_L, AFCEX_H;
unsigned char R;
@@ -1052,7 +1054,7 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
int temp_freq, delta_freq;
int dagcm[4];
int smrt_d;
-// int freq_err;
+/* int freq_err; */
int n;
int ret = -1;
int sync;
@@ -1093,19 +1095,19 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
}
if (EN_set(state, CREN, AFCEN) < 0) {
dprintk(verbose, MB86A16_ERROR, 1, "EN set error");
- return -1; // (0, 0)
+ return -1; /* (0, 0) */
}
if (AFCEXEN_set(state, AFCEXEN, state->srate) < 0) {
dprintk(verbose, MB86A16_ERROR, 1, "AFCEXEN set error");
- return -1; // (1, smrt) = (1, symbolrate)
+ return -1; /* (1, smrt) = (1, symbolrate) */
}
if (CNTM_set(state, TIMINT1, TIMINT2, TIMEXT) < 0) {
dprintk(verbose, MB86A16_ERROR, 1, "CNTM set error");
- return -1; // (0, 1, 2)
+ return -1; /* (0, 1, 2) */
}
if (S01T_set(state, S1T, S0T) < 0) {
dprintk(verbose, MB86A16_ERROR, 1, "S01T set error");
- return -1; // (0, 0)
+ return -1; /* (0, 0) */
}
smrt_info_get(state, state->srate);
if (smrt_set(state, state->srate) < 0) {
@@ -1133,13 +1135,15 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
ftemp = ftemp + swp_ofs;
vmax++;
- // Upper bound
+ /* Upper bound */
if (ftemp > 2150000) {
loop = 0;
vmax--;
+ } else {
+ if ((ftemp == 2150000) ||
+ (ftemp - state->frequency * 1000 >= fcp + state->srate / 4))
+ loop = 0;
}
- else if ((ftemp == 2150000) || (ftemp - state->frequency * 1000 >= fcp + state->srate / 4))
- loop = 0;
}
loop = 1;
@@ -1149,13 +1153,15 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
ftemp = ftemp - swp_ofs;
vmin--;
- // Lower bound
+ /* Lower bound */
if (ftemp < 950000) {
loop = 0;
vmin++;
+ } else {
+ if ((ftemp == 950000) ||
+ (state->frequency * 1000 - ftemp >= fcp + state->srate / 4))
+ loop = 0;
}
- else if ((ftemp == 950000) || (state->frequency * 1000 - ftemp >= fcp + state->srate / 4))
- loop = 0;
}
wait_t = (8000 + state->srate / 2) / state->srate;
@@ -1199,7 +1205,7 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
V[30 + v] = SIG1 ;
swp_freq = swp_freq_calcuation(state, i, v, V, vmax, vmin,
SIG1MIN, fOSC, afcex_freq,
- swp_ofs, &SIG1); //changed
+ swp_ofs, &SIG1); /* changed */
signal_dupl = 0;
for (j = 0; j < prev_freq_num; j++) {
@@ -1291,7 +1297,7 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
dprintk(verbose, MB86A16_ERROR, 1, "srst error");
return -1;
}
- // delay 4~200
+ /* delay 4~200 */
wait_t = 200000 / state->master_clk + 200000 / state->srate;
msleep(wait_t);
afcerr = afcerr_chk(state);
@@ -1452,7 +1458,7 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
S2T = 7; S4T = 2; S5T = 8; ETH = 7; VIA = 2;
wait_t = 7 + (2097152 + state->srate / 2) / state->srate;
}
- wait_t *= 2; /* FOS */
+ wait_t *= 2; /* FOS */
S2T_set(state, S2T);
S45T_set(state, S4T, S5T);
Vi_set(state, ETH, VIA);
@@ -1461,13 +1467,14 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
sync = sync_chk(state, &VIRM);
dprintk(verbose, MB86A16_INFO, 1, "-------- Viterbi=[%d] SYNC=[%d] ---------", VIRM, sync);
if (VIRM) {
- if (VIRM == 4) { // 5/6
+ if (VIRM == 4) {
+ /* 5/6 */
if (SIG1 > 110)
- wait_t = ( 786432 + state->srate / 2) / state->srate;
+ wait_t = (786432 + state->srate / 2) / state->srate;
else
wait_t = (1572864 + state->srate / 2) / state->srate;
if (state->srate < 5000)
- // FIXME ! , should be a long wait !
+ /* FIXME ! , should be a long wait ! */
msleep_interruptible(wait_t);
else
msleep_interruptible(wait_t);
@@ -1477,9 +1484,9 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
FEC_srst(state);
}
}
- // 1/2, 2/3, 3/4, 7/8
+ /* 1/2, 2/3, 3/4, 7/8 */
if (SIG1 > 110)
- wait_t = ( 786432 + state->srate / 2) / state->srate;
+ wait_t = (786432 + state->srate / 2) / state->srate;
else
wait_t = (1572864 + state->srate / 2) / state->srate;
msleep_interruptible(wait_t);
@@ -1491,7 +1498,7 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
}
}
} else {
- dprintk (verbose, MB86A16_INFO, 1, "NO -- SIGNAL");
+ dprintk(verbose, MB86A16_INFO, 1, "NO -- SIGNAL");
ret = -1;
}
@@ -1846,7 +1853,7 @@ struct dvb_frontend *mb86a16_attach(const struct mb86a16_config *config,
u8 dev_id = 0;
struct mb86a16_state *state = NULL;
- state = kmalloc(sizeof (struct mb86a16_state), GFP_KERNEL);
+ state = kmalloc(sizeof(struct mb86a16_state), GFP_KERNEL);
if (state == NULL)
goto error;
@@ -1857,7 +1864,7 @@ struct dvb_frontend *mb86a16_attach(const struct mb86a16_config *config,
if (dev_id != 0xfe)
goto error;
- memcpy(&state->frontend.ops, &mb86a16_ops, sizeof (struct dvb_frontend_ops));
+ memcpy(&state->frontend.ops, &mb86a16_ops, sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
state->frontend.ops.set_voltage = state->config->set_voltage;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-17 16:47:54 +0000