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author | Andrew de Quincy <devnull@localhost> | 2004-03-14 13:46:20 +0000 |
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committer | Andrew de Quincy <devnull@localhost> | 2004-03-14 13:46:20 +0000 |
commit | 88b768d2c49c62fcaa4dacae229d83b91629b70e (patch) | |
tree | 61e534231366513c0680aba3ddcfb3ccdbf51d9f /linux/drivers/media/dvb | |
parent | 3db8e7c4112efb6084607b0a927ced1f38ea4963 (diff) | |
download | mediapointer-dvb-s2-88b768d2c49c62fcaa4dacae229d83b91629b70e.tar.gz mediapointer-dvb-s2-88b768d2c49c62fcaa4dacae229d83b91629b70e.tar.bz2 |
Fixed INVERSION_AUTO code so it no longer writes to the global initalisation values.
Converted 8space->1tabs (formatting)
Added extra printks to report _exact_ ves1x93 version detected
Diffstat (limited to 'linux/drivers/media/dvb')
-rw-r--r-- | linux/drivers/media/dvb/frontends/ves1x93.c | 153 |
1 files changed, 84 insertions, 69 deletions
diff --git a/linux/drivers/media/dvb/frontends/ves1x93.c b/linux/drivers/media/dvb/frontends/ves1x93.c index b1b02a4d9..170416d5f 100644 --- a/linux/drivers/media/dvb/frontends/ves1x93.c +++ b/linux/drivers/media/dvb/frontends/ves1x93.c @@ -49,12 +49,12 @@ static struct dvb_frontend_info ves1x93_info = { .type = FE_QPSK, .frequency_min = 950000, .frequency_max = 2150000, - .frequency_stepsize = 250, /* kHz for QPSK frontends */ + .frequency_stepsize = 250, /* kHz for QPSK frontends */ .frequency_tolerance = 29500, .symbol_rate_min = 1000000, .symbol_rate_max = 45000000, -/* .symbol_rate_tolerance = ???,*/ - .notifier_delay = 50, /* 1/20 s */ +/* .symbol_rate_tolerance = ???,*/ + .notifier_delay = 50, /* 1/20 s */ .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | @@ -95,10 +95,10 @@ static u8 * init_1x93_tab; static u8 init_1893_wtab[] = { - 1,1,1,1,1,1,1,1, 1,1,0,0,1,1,0,0, - 0,1,0,0,0,0,0,0, 1,0,1,1,0,0,0,1, - 1,1,1,0,0,0,0,0, 0,0,1,1,0,0,0,0, - 1,1,1,0,1,1 + 1,1,1,1,1,1,1,1, 1,1,0,0,1,1,0,0, + 0,1,0,0,0,0,0,0, 1,0,1,1,0,0,0,1, + 1,1,1,0,0,0,0,0, 0,0,1,1,0,0,0,0, + 1,1,1,0,1,1 }; @@ -110,19 +110,24 @@ static u8 init_1993_wtab[] = 1,1,1,0,1,1,1,1, 1,1,1,1,1 }; +struct ves1x93_state { + fe_spectral_inversion_t inversion; +}; + + static int ves1x93_writereg (struct dvb_i2c_bus *i2c, u8 reg, u8 data) { - u8 buf [] = { 0x00, reg, data }; + u8 buf [] = { 0x00, reg, data }; struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = buf, .len = 3 }; int err; - if ((err = i2c->xfer (i2c, &msg, 1)) != 1) { + if ((err = i2c->xfer (i2c, &msg, 1)) != 1) { dprintk ("%s: writereg error (err == %i, reg == 0x%02x, data == 0x%02x)\n", __FUNCTION__, err, reg, data); return -EREMOTEIO; } - return 0; + return 0; } @@ -145,17 +150,17 @@ static u8 ves1x93_readreg (struct dvb_i2c_bus *i2c, u8 reg) static int tuner_write (struct dvb_i2c_bus *i2c, u8 *data, u8 len) { - int ret; - struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = len }; + int ret; + struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = len }; ves1x93_writereg(i2c, 0x00, 0x11); - ret = i2c->xfer (i2c, &msg, 1); + ret = i2c->xfer (i2c, &msg, 1); ves1x93_writereg(i2c, 0x00, 0x01); - if (ret != 1) - printk("%s: i/o error (ret == %i)\n", __FUNCTION__, ret); + if (ret != 1) + printk("%s: i/o error (ret == %i)\n", __FUNCTION__, ret); - return (ret != 1) ? -1 : 0; + return (ret != 1) ? -1 : 0; } @@ -166,7 +171,7 @@ static int tuner_write (struct dvb_i2c_bus *i2c, u8 *data, u8 len) */ static int sp5659_set_tv_freq (struct dvb_i2c_bus *i2c, u32 freq, u8 pwr) { - u32 div = (freq + 479500) / 125; + u32 div = (freq + 479500) / 125; u8 buf [4] = { (div >> 8) & 0x7f, div & 0xff, 0x95, (pwr << 5) | 0x30 }; return tuner_write (i2c, buf, sizeof(buf)); @@ -246,18 +251,18 @@ static int ves1x93_init (struct dvb_i2c_bus *i2c) static int ves1x93_clr_bit (struct dvb_i2c_bus *i2c) { - ves1x93_writereg (i2c, 0, init_1x93_tab[0] & 0xfe); - ves1x93_writereg (i2c, 0, init_1x93_tab[0]); - dvb_delay(5); - return 0; + ves1x93_writereg (i2c, 0, init_1x93_tab[0] & 0xfe); + ves1x93_writereg (i2c, 0, init_1x93_tab[0]); + dvb_delay(5); + return 0; } static int ves1x93_init_aquire (struct dvb_i2c_bus *i2c) { - ves1x93_writereg (i2c, 3, 0x00); - ves1x93_writereg (i2c, 3, init_1x93_tab[3]); - dvb_delay(5); - return 0; + ves1x93_writereg (i2c, 3, 0x00); + ves1x93_writereg (i2c, 3, init_1x93_tab[3]); + dvb_delay(5); + return 0; } @@ -284,10 +289,7 @@ static int ves1x93_set_inversion (struct dvb_i2c_bus *i2c, fe_spectral_inversion return -EINVAL; } - /* needs to be saved for FE_GET_FRONTEND */ - init_1x93_tab[0x0c] = (init_1x93_tab[0x0c] & 0x3f) | val; - - return ves1x93_writereg (i2c, 0x0c, init_1x93_tab[0x0c]); + return ves1x93_writereg (i2c, 0x0c, (init_1x93_tab[0x0c] & 0x3f) | val); } @@ -311,7 +313,7 @@ static fe_code_rate_t ves1x93_get_fec (struct dvb_i2c_bus *i2c) static int ves1x93_set_symbolrate (struct dvb_i2c_bus *i2c, u32 srate) { u32 BDR; - u32 ratio; + u32 ratio; u8 ADCONF, FCONF, FNR; u32 BDRI; u32 tmp; @@ -359,15 +361,15 @@ static int ves1x93_set_symbolrate (struct dvb_i2c_bus *i2c, u32 srate) FNR = 0xff; - if (ratio < MUL/3) FNR = 0; + if (ratio < MUL/3) FNR = 0; if (ratio < (MUL*11)/50) FNR = 1; - if (ratio < MUL/6) FNR = 2; - if (ratio < MUL/9) FNR = 3; - if (ratio < MUL/12) FNR = 4; + if (ratio < MUL/6) FNR = 2; + if (ratio < MUL/9) FNR = 3; + if (ratio < MUL/12) FNR = 4; if (ratio < (MUL*11)/200) FNR = 5; - if (ratio < MUL/24) FNR = 6; + if (ratio < MUL/24) FNR = 6; if (ratio < (MUL*27)/1000) FNR = 7; - if (ratio < MUL/48) FNR = 8; + if (ratio < MUL/48) FNR = 8; if (ratio < (MUL*137)/10000) FNR = 9; if (FNR == 0xff) { @@ -377,16 +379,16 @@ static int ves1x93_set_symbolrate (struct dvb_i2c_bus *i2c, u32 srate) } else { ADCONF = 0x81; FCONF = 0x88 | (FNR >> 1) | ((FNR & 0x01) << 5); - /*FCONF = 0x80 | ((FNR & 0x01) << 5) | (((FNR > 1) & 0x03) << 3) | ((FNR >> 1) & 0x07);*/ + /*FCONF = 0x80 | ((FNR & 0x01) << 5) | (((FNR > 1) & 0x03) << 3) | ((FNR >> 1) & 0x07);*/ } BDR = (( (ratio << (FNR >> 1)) >> 4) + 1) >> 1; BDRI = ( ((FIN << 8) / ((srate << (FNR >> 1)) >> 2)) + 1) >> 1; - dprintk("FNR= %d\n", FNR); - dprintk("ratio= %08x\n", (unsigned int) ratio); - dprintk("BDR= %08x\n", (unsigned int) BDR); - dprintk("BDRI= %02x\n", (unsigned int) BDRI); + dprintk("FNR= %d\n", FNR); + dprintk("ratio= %08x\n", (unsigned int) ratio); + dprintk("BDR= %08x\n", (unsigned int) BDR); + dprintk("BDRI= %02x\n", (unsigned int) BDRI); if (BDRI > 0xff) BDRI = 0xff; @@ -416,8 +418,8 @@ static int ves1x93_afc (struct dvb_i2c_bus *i2c, u32 freq, u32 srate) { int afc; - afc = ((int)((ves1x93_readreg (i2c, 0x0a) << 1) & 0xff))/2; - afc = (afc * (int)(srate/1000/8))/16; + afc = ((int)((ves1x93_readreg (i2c, 0x0a) << 1) & 0xff))/2; + afc = (afc * (int)(srate/1000/8))/16; if (afc) { @@ -425,13 +427,10 @@ static int ves1x93_afc (struct dvb_i2c_bus *i2c, u32 freq, u32 srate) tuner_set_tv_freq (i2c, freq, 0); - ves1x93_init_aquire (i2c); - - afc = ((int)((ves1x93_readreg (i2c, 0x0a) << 1) & 0xff))/2; - afc = (afc * (int)(srate/1000/8))/16; + ves1x93_init_aquire (i2c); } - return 0; + return 0; } static int ves1x93_set_voltage (struct dvb_i2c_bus *i2c, fe_sec_voltage_t voltage) @@ -452,13 +451,14 @@ static int ves1x93_set_voltage (struct dvb_i2c_bus *i2c, fe_sec_voltage_t voltag static int ves1x93_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) { struct dvb_i2c_bus *i2c = fe->i2c; + struct ves1x93_state *state = (struct ves1x93_state*) fe->data; - switch (cmd) { - case FE_GET_INFO: + switch (cmd) { + case FE_GET_INFO: memcpy (arg, &ves1x93_info, sizeof(struct dvb_frontend_info)); break; - case FE_READ_STATUS: + case FE_READ_STATUS: { fe_status_t *status = arg; u8 sync = ves1x93_readreg (i2c, 0x0e); @@ -483,25 +483,25 @@ static int ves1x93_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) break; } - case FE_READ_BER: + case FE_READ_BER: { u32 *ber = (u32 *) arg; *ber = ves1x93_readreg (i2c, 0x15); - *ber |= (ves1x93_readreg (i2c, 0x16) << 8); - *ber |= ((ves1x93_readreg (i2c, 0x17) & 0x0F) << 16); + *ber |= (ves1x93_readreg (i2c, 0x16) << 8); + *ber |= ((ves1x93_readreg (i2c, 0x17) & 0x0F) << 16); *ber *= 10; break; } - case FE_READ_SIGNAL_STRENGTH: + case FE_READ_SIGNAL_STRENGTH: { u8 signal = ~ves1x93_readreg (i2c, 0x0b); *((u16*) arg) = (signal << 8) | signal; break; } - case FE_READ_SNR: + case FE_READ_SNR: { u8 snr = ~ves1x93_readreg (i2c, 0x1c); *(u16*) arg = (snr << 8) | snr; @@ -520,8 +520,8 @@ static int ves1x93_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) break; } - case FE_SET_FRONTEND: - { + case FE_SET_FRONTEND: + { struct dvb_frontend_parameters *p = arg; tuner_set_tv_freq (i2c, p->frequency, 0); @@ -529,8 +529,9 @@ static int ves1x93_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) ves1x93_set_fec (i2c, p->u.qpsk.fec_inner); ves1x93_set_symbolrate (i2c, p->u.qpsk.symbol_rate); ves1x93_afc (i2c, p->frequency, p->u.qpsk.symbol_rate); - break; - } + state->inversion = p->inversion; + break; + } case FE_GET_FRONTEND: { @@ -546,7 +547,7 @@ static int ves1x93_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) * inversion indicator is only valid * if auto inversion was used */ - if (!(init_1x93_tab[0x0c] & 0x80)) + if (state->inversion == INVERSION_AUTO) p->inversion = (ves1x93_readreg (i2c, 0x0f) & 2) ? INVERSION_OFF : INVERSION_ON; p->u.qpsk.fec_inner = ves1x93_get_fec (i2c); @@ -554,41 +555,48 @@ static int ves1x93_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) break; } - case FE_SLEEP: + case FE_SLEEP: if (board_type == BOARD_SIEMENS_PCI) ves1x93_writereg (i2c, 0x1f, 0x00); /* LNB power off */ return ves1x93_writereg (i2c, 0x00, 0x08); - case FE_INIT: + case FE_INIT: return ves1x93_init (i2c); case FE_SET_TONE: return -EOPNOTSUPP; /* the ves1893 can generate the 22k */ - /* let's implement this when we have */ - /* a box that uses the 22K_0 pin... */ + /* let's implement this when we have */ + /* a box that uses the 22K_0 pin... */ case FE_SET_VOLTAGE: return ves1x93_set_voltage (i2c, (fe_sec_voltage_t) arg); default: return -EOPNOTSUPP; - }; - - return 0; + }; + + return 0; } static int ves1x93_attach (struct dvb_i2c_bus *i2c, void **data) { u8 identity = ves1x93_readreg(i2c, 0x1e); + struct ves1x93_state* state; switch (identity) { case 0xdc: /* VES1893A rev1 */ + printk("ves1x93: Detected ves1893a rev1\n"); + demod_type = DEMOD_VES1893; + ves1x93_info.name[4] = '8'; + break; case 0xdd: /* VES1893A rev2 */ + printk("ves1x93: Detected ves1893a rev2\n"); demod_type = DEMOD_VES1893; ves1x93_info.name[4] = '8'; break; case 0xde: /* VES1993 */ + printk("ves1x93: Detected ves1993\n"); demod_type = DEMOD_VES1993; ves1x93_info.name[4] = '9'; break; @@ -597,12 +605,19 @@ static int ves1x93_attach (struct dvb_i2c_bus *i2c, void **data) return -ENODEV; } - return dvb_register_frontend (ves1x93_ioctl, i2c, NULL, &ves1x93_info); + if ((state = kmalloc(sizeof(struct ves1x93_state), GFP_KERNEL)) == NULL) { + return -ENOMEM; + } + state->inversion = INVERSION_OFF; + *data = state; + + return dvb_register_frontend (ves1x93_ioctl, i2c, (void*) state, &ves1x93_info); } static void ves1x93_detach (struct dvb_i2c_bus *i2c, void *data) { + kfree(data); dvb_unregister_frontend (ves1x93_ioctl, i2c); } |