From 8c65b4a60450590e79a28e9717ceffa9e4debb3f Mon Sep 17 00:00:00 2001 From: Tim Schmielau Date: Mon, 7 Nov 2005 00:59:43 -0800 Subject: [PATCH] fix remaining missing includes Fix more include file problems that surfaced since I submitted the previous fix-missing-includes.patch. This should now allow not to include sched.h from module.h, which is done by a followup patch. Signed-off-by: Tim Schmielau Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/cx24110.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/cx24110.c b/drivers/media/dvb/frontends/cx24110.c index d4b97989e3e..654d7dc879d 100644 --- a/drivers/media/dvb/frontends/cx24110.c +++ b/drivers/media/dvb/frontends/cx24110.c @@ -27,6 +27,7 @@ #include #include #include +#include #include "dvb_frontend.h" #include "cx24110.h" -- cgit v1.2.3 From 2ea7533060e361810c21b2f5ee02151c4dfb85d8 Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Mon, 7 Nov 2005 01:01:31 -0800 Subject: [PATCH] kfree cleanup: drivers/media This is the drivers/media/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in drivers/media/. Signed-off-by: Jesper Juhl Cc: Johannes Stezenbach Cc: Michael Krufky Cc: Mauro Carvalho Chehab Acked-by : Manu Abraham Acked-by: Andreas Oberritter Acked-by: Wilson Michaels Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/dvb_dummy_fe.c | 4 ++-- drivers/media/dvb/frontends/l64781.c | 3 ++- drivers/media/dvb/frontends/lgdt330x.c | 3 +-- drivers/media/dvb/frontends/mt312.c | 3 +-- drivers/media/dvb/frontends/or51132.c | 3 +-- 5 files changed, 7 insertions(+), 9 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/dvb_dummy_fe.c b/drivers/media/dvb/frontends/dvb_dummy_fe.c index 794be520d59..645946a992d 100644 --- a/drivers/media/dvb/frontends/dvb_dummy_fe.c +++ b/drivers/media/dvb/frontends/dvb_dummy_fe.c @@ -148,7 +148,7 @@ struct dvb_frontend* dvb_dummy_fe_qpsk_attach() return &state->frontend; error: - if (state) kfree(state); + kfree(state); return NULL; } @@ -171,7 +171,7 @@ struct dvb_frontend* dvb_dummy_fe_qam_attach() return &state->frontend; error: - if (state) kfree(state); + kfree(state); return NULL; } diff --git a/drivers/media/dvb/frontends/l64781.c b/drivers/media/dvb/frontends/l64781.c index faaad1ae855..19b4bf7c21a 100644 --- a/drivers/media/dvb/frontends/l64781.c +++ b/drivers/media/dvb/frontends/l64781.c @@ -559,7 +559,8 @@ struct dvb_frontend* l64781_attach(const struct l64781_config* config, return &state->frontend; error: - if (reg0x3e >= 0) l64781_writereg (state, 0x3e, reg0x3e); /* restore reg 0x3e */ + if (reg0x3e >= 0) + l64781_writereg (state, 0x3e, reg0x3e); /* restore reg 0x3e */ kfree(state); return NULL; } diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c index 8dde72bd104..7852b83b82d 100644 --- a/drivers/media/dvb/frontends/lgdt330x.c +++ b/drivers/media/dvb/frontends/lgdt330x.c @@ -731,8 +731,7 @@ struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, return &state->frontend; error: - if (state) - kfree(state); + kfree(state); dprintk("%s: ERROR\n",__FUNCTION__); return NULL; } diff --git a/drivers/media/dvb/frontends/mt312.c b/drivers/media/dvb/frontends/mt312.c index e38454901dd..9c67f406d58 100644 --- a/drivers/media/dvb/frontends/mt312.c +++ b/drivers/media/dvb/frontends/mt312.c @@ -677,8 +677,7 @@ struct dvb_frontend* mt312_attach(const struct mt312_config* config, return &state->frontend; error: - if (state) - kfree(state); + kfree(state); return NULL; } diff --git a/drivers/media/dvb/frontends/or51132.c b/drivers/media/dvb/frontends/or51132.c index 817b044c7fd..fc74c40d647 100644 --- a/drivers/media/dvb/frontends/or51132.c +++ b/drivers/media/dvb/frontends/or51132.c @@ -577,8 +577,7 @@ struct dvb_frontend* or51132_attach(const struct or51132_config* config, return &state->frontend; error: - if (state) - kfree(state); + kfree(state); return NULL; } -- cgit v1.2.3 From 3765022171874d249535a1c8b8190f408fd85f21 Mon Sep 17 00:00:00 2001 From: Andrew de Quincey Date: Tue, 8 Nov 2005 21:35:11 -0800 Subject: [PATCH] dvb: stv0299: revert improper method Remove my badly thought out patch. This does need done, but in a proper way. Signed-off-by: Andrew de Quincey Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/stv0299.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c index 889d9257215..b1876618a37 100644 --- a/drivers/media/dvb/frontends/stv0299.c +++ b/drivers/media/dvb/frontends/stv0299.c @@ -64,8 +64,12 @@ struct stv0299_state { u32 tuner_frequency; u32 symbol_rate; fe_code_rate_t fec_inner; + int errmode; }; +#define STATUS_BER 0 +#define STATUS_UCBLOCKS 1 + static int debug; static int debug_legacy_dish_switch; #define dprintk(args...) \ @@ -517,8 +521,7 @@ static int stv0299_read_ber(struct dvb_frontend* fe, u32* ber) { struct stv0299_state* state = fe->demodulator_priv; - stv0299_writeregI(state, 0x34, (stv0299_readreg(state, 0x34) & 0xcf) | 0x10); - msleep(100); + if (state->errmode != STATUS_BER) return 0; *ber = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e); return 0; @@ -557,9 +560,8 @@ static int stv0299_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) { struct stv0299_state* state = fe->demodulator_priv; - stv0299_writeregI(state, 0x34, (stv0299_readreg(state, 0x34) & 0xcf) | 0x30); - msleep(100); - *ucblocks = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e); + if (state->errmode != STATUS_UCBLOCKS) *ucblocks = 0; + else *ucblocks = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e); return 0; } @@ -708,6 +710,7 @@ struct dvb_frontend* stv0299_attach(const struct stv0299_config* config, state->tuner_frequency = 0; state->symbol_rate = 0; state->fec_inner = 0; + state->errmode = STATUS_BER; /* check if the demod is there */ stv0299_writeregI(state, 0x02, 0x34); /* standby off */ -- cgit v1.2.3 From 3cff00d91292e744a510be7256f1c80e1b0be819 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Tue, 8 Nov 2005 21:35:12 -0800 Subject: [PATCH] dvb: Add ATSC support for DViCO FusionHDTV5 Lite Added ATSC support for DViCO FusionHDTV5 Lite. Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/lgdt330x.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c index 7852b83b82d..145918877d2 100644 --- a/drivers/media/dvb/frontends/lgdt330x.c +++ b/drivers/media/dvb/frontends/lgdt330x.c @@ -26,6 +26,7 @@ * DViCO FusionHDTV 3 Gold-Q * DViCO FusionHDTV 3 Gold-T * DViCO FusionHDTV 5 Gold + * DViCO FusionHDTV 5 Lite * * TODO: * signal strength always returns 0. -- cgit v1.2.3 From 634623d3ba6146e13d06d3f36188c189c8a58a23 Mon Sep 17 00:00:00 2001 From: Hartmut Hackmann Date: Tue, 8 Nov 2005 21:35:13 -0800 Subject: [PATCH] dvb: tda1004x: pll communication fixes - leave I2C bridge open at pll_sleep to support Philips EUROPA based cards. - give an error message if the communication with the pll fails. Signed-off-by: Hartmut Hackmann Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/tda1004x.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c index 3529c618f82..7968743826f 100644 --- a/drivers/media/dvb/frontends/tda1004x.c +++ b/drivers/media/dvb/frontends/tda1004x.c @@ -420,7 +420,7 @@ static void tda10046_init_plls(struct dvb_frontend* fe) struct tda1004x_state* state = fe->demodulator_priv; tda1004x_write_byteI(state, TDA10046H_CONFPLL1, 0xf0); - tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); // PLL M = 10 + tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 0x0a); // PLL M = 10 if (state->config->xtal_freq == TDA10046_XTAL_4M ) { dprintk("%s: setting up PLLs for a 4 MHz Xtal\n", __FUNCTION__); tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 0); // PLL P = N = 0 @@ -597,7 +597,10 @@ static int tda10046_init(struct dvb_frontend* fe) // Init the tuner PLL if (state->config->pll_init) { tda1004x_enable_tuner_i2c(state); - state->config->pll_init(fe); + if (state->config->pll_init(fe)) { + printk(KERN_ERR "tda1004x: pll init failed\n"); + return -EIO; + } tda1004x_disable_tuner_i2c(state); } @@ -667,7 +670,10 @@ static int tda1004x_set_fe(struct dvb_frontend* fe, // set frequency tda1004x_enable_tuner_i2c(state); - state->config->pll_set(fe, fe_params); + if (state->config->pll_set(fe, fe_params)) { + printk(KERN_ERR "tda1004x: pll set failed\n"); + return -EIO; + } tda1004x_disable_tuner_i2c(state); // Hardcoded to use auto as much as possible on the TDA10045 as it @@ -832,6 +838,8 @@ static int tda1004x_set_fe(struct dvb_frontend* fe, case TDA1004X_DEMOD_TDA10046: tda1004x_write_mask(state, TDA1004X_AUTO, 0x40, 0x40); + msleep(1); + tda1004x_write_mask(state, TDA10046H_AGC_CONF, 4, 1); break; } @@ -1129,7 +1137,12 @@ static int tda1004x_sleep(struct dvb_frontend* fe) if (state->config->pll_sleep != NULL) { tda1004x_enable_tuner_i2c(state); state->config->pll_sleep(fe); - tda1004x_disable_tuner_i2c(state); + if (state->config->if_freq != TDA10046_FREQ_052) { + /* special hack for Philips EUROPA Based boards: + * keep the I2c bridge open for tuner access in analog mode + */ + tda1004x_disable_tuner_i2c(state); + } } tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1); break; -- cgit v1.2.3 From b90ed914e513a6ad6184f7a46a0df0888dcfc177 Mon Sep 17 00:00:00 2001 From: Johannes Stezenbach Date: Tue, 8 Nov 2005 21:35:25 -0800 Subject: [PATCH] dvb: Fix integer overflow bug Fix integer overflow bug in read_signal_strength() reported by Anthony Leclerc. Signed-off-by: Johannes Stezenbach Signed-off-by: Michael Krufky Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/or51132.c | 7 ++++++- drivers/media/dvb/frontends/or51211.c | 8 ++++++-- 2 files changed, 12 insertions(+), 3 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/or51132.c b/drivers/media/dvb/frontends/or51132.c index fc74c40d647..78bded861d0 100644 --- a/drivers/media/dvb/frontends/or51132.c +++ b/drivers/media/dvb/frontends/or51132.c @@ -468,6 +468,7 @@ static int or51132_read_signal_strength(struct dvb_frontend* fe, u16* strength) unsigned char snd_buf[2]; u8 rcvr_stat; u16 snr_equ; + u32 signal_strength; int usK; snd_buf[0]=0x04; @@ -503,7 +504,11 @@ static int or51132_read_signal_strength(struct dvb_frontend* fe, u16* strength) usK = (rcvr_stat & 0x10) ? 3 : 0; /* The value reported back from the frontend will be FFFF=100% 0000=0% */ - *strength = (((8952 - i20Log10(snr_equ) - usK*100)/3+5)*65535)/1000; + signal_strength = (((8952 - i20Log10(snr_equ) - usK*100)/3+5)*65535)/1000; + if (signal_strength > 0xffff) + *strength = 0xffff; + else + *strength = signal_strength; dprintk("read_signal_strength %i\n",*strength); return 0; diff --git a/drivers/media/dvb/frontends/or51211.c b/drivers/media/dvb/frontends/or51211.c index 8a9db23dd1b..531f76246e5 100644 --- a/drivers/media/dvb/frontends/or51211.c +++ b/drivers/media/dvb/frontends/or51211.c @@ -339,6 +339,7 @@ static int or51211_read_signal_strength(struct dvb_frontend* fe, u16* strength) u8 rec_buf[2]; u8 snd_buf[4]; u8 snr_equ; + u32 signal_strength; /* SNR after Equalizer */ snd_buf[0] = 0x04; @@ -358,8 +359,11 @@ static int or51211_read_signal_strength(struct dvb_frontend* fe, u16* strength) snr_equ = rec_buf[0] & 0xff; /* The value reported back from the frontend will be FFFF=100% 0000=0% */ - *strength = (((5334 - i20Log10(snr_equ))/3+5)*65535)/1000; - + signal_strength = (((5334 - i20Log10(snr_equ))/3+5)*65535)/1000; + if (signal_strength > 0xffff) + *strength = 0xffff; + else + *strength = signal_strength; dprintk("read_signal_strength %i\n",*strength); return 0; -- cgit v1.2.3 From 83b75b049be981e579ba2cb88aa9bf3534bbbdb1 Mon Sep 17 00:00:00 2001 From: NooneImportant Date: Tue, 8 Nov 2005 21:35:27 -0800 Subject: [PATCH] dvb: let other frontends support FE_DISHNETWORK_SEND_LEGACY_CMD Add support to FE_DISHNETWORK_SEND_LEGACY_CMD code to support other frontends besides stv0299. The generic code is a fallback in the case that it doesn't work for some specific frontends (again stv0299 being a good example). Signed-off-by: NooneImportant Signed-off-by: Johannes Stezenbach Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/stv0299.c | 38 ++++------------------------------- 1 file changed, 4 insertions(+), 34 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c index b1876618a37..ae00d7a40d7 100644 --- a/drivers/media/dvb/frontends/stv0299.c +++ b/drivers/media/dvb/frontends/stv0299.c @@ -387,36 +387,6 @@ static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltag }; } -static inline s32 stv0299_calc_usec_delay (struct timeval lasttime, struct timeval curtime) -{ - return ((curtime.tv_usec < lasttime.tv_usec) ? - 1000000 - lasttime.tv_usec + curtime.tv_usec : - curtime.tv_usec - lasttime.tv_usec); -} - -static void stv0299_sleep_until (struct timeval *waketime, u32 add_usec) -{ - struct timeval lasttime; - s32 delta, newdelta; - - waketime->tv_usec += add_usec; - if (waketime->tv_usec >= 1000000) { - waketime->tv_usec -= 1000000; - waketime->tv_sec++; - } - - do_gettimeofday (&lasttime); - delta = stv0299_calc_usec_delay (lasttime, *waketime); - if (delta > 2500) { - msleep ((delta - 1500) / 1000); - do_gettimeofday (&lasttime); - newdelta = stv0299_calc_usec_delay (lasttime, *waketime); - delta = (newdelta > delta) ? 0 : newdelta; - } - if (delta > 0) - udelay (delta); -} - static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, u32 cmd) { struct stv0299_state* state = fe->demodulator_priv; @@ -444,7 +414,7 @@ static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, u32 cmd) memcpy (&tv[0], &nexttime, sizeof (struct timeval)); stv0299_writeregI (state, 0x0c, reg0x0c | 0x50); /* set LNB to 18V */ - stv0299_sleep_until (&nexttime, 32000); + dvb_frontend_sleep_until(&nexttime, 32000); for (i=0; i<9; i++) { if (debug_legacy_dish_switch) @@ -458,13 +428,13 @@ static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, u32 cmd) cmd = cmd >> 1; if (i != 8) - stv0299_sleep_until (&nexttime, 8000); + dvb_frontend_sleep_until(&nexttime, 8000); } if (debug_legacy_dish_switch) { printk ("%s(%d): switch delay (should be 32k followed by all 8k\n", __FUNCTION__, fe->dvb->num); - for (i=1; i < 10; i++) - printk ("%d: %d\n", i, stv0299_calc_usec_delay (tv[i-1] , tv[i])); + for (i = 1; i < 10; i++) + printk ("%d: %d\n", i, timeval_usec_diff(tv[i-1] , tv[i])); } return 0; -- cgit v1.2.3 From 3528cc4e731b098b5743f8f91516e2e6c01dd1ce Mon Sep 17 00:00:00 2001 From: Andrew de Quincy Date: Tue, 8 Nov 2005 21:35:28 -0800 Subject: [PATCH] dvb: Remove broken stv0299 enhanced tuning code Remove broken stv0299 enhanced tuning code Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/stv0299.c | 53 +++++++---------------------------- drivers/media/dvb/frontends/stv0299.h | 3 -- 2 files changed, 10 insertions(+), 46 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c index ae00d7a40d7..35dc8439be1 100644 --- a/drivers/media/dvb/frontends/stv0299.c +++ b/drivers/media/dvb/frontends/stv0299.c @@ -553,49 +553,16 @@ static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par if (state->config->invert) invval = (~invval) & 1; stv0299_writeregI(state, 0x0c, (stv0299_readreg(state, 0x0c) & 0xfe) | invval); - if (state->config->enhanced_tuning) { - /* check if we should do a finetune */ - int frequency_delta = p->frequency - state->tuner_frequency; - int minmax = p->u.qpsk.symbol_rate / 2000; - if (minmax < 5000) minmax = 5000; - - if ((frequency_delta > -minmax) && (frequency_delta < minmax) && (frequency_delta != 0) && - (state->fec_inner == p->u.qpsk.fec_inner) && - (state->symbol_rate == p->u.qpsk.symbol_rate)) { - int Drot_freq = (frequency_delta << 16) / (state->config->mclk / 1000); - - // zap the derotator registers first - stv0299_writeregI(state, 0x22, 0x00); - stv0299_writeregI(state, 0x23, 0x00); - - // now set them as we want - stv0299_writeregI(state, 0x22, Drot_freq >> 8); - stv0299_writeregI(state, 0x23, Drot_freq); - } else { - /* A "normal" tune is requested */ - stv0299_writeregI(state, 0x05, 0xb5); /* enable i2c repeater on stv0299 */ - state->config->pll_set(fe, state->i2c, p); - stv0299_writeregI(state, 0x05, 0x35); /* disable i2c repeater on stv0299 */ - - stv0299_writeregI(state, 0x32, 0x80); - stv0299_writeregI(state, 0x22, 0x00); - stv0299_writeregI(state, 0x23, 0x00); - stv0299_writeregI(state, 0x32, 0x19); - stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate); - stv0299_set_FEC (state, p->u.qpsk.fec_inner); - } - } else { - stv0299_writeregI(state, 0x05, 0xb5); /* enable i2c repeater on stv0299 */ - state->config->pll_set(fe, state->i2c, p); - stv0299_writeregI(state, 0x05, 0x35); /* disable i2c repeater on stv0299 */ - - stv0299_set_FEC (state, p->u.qpsk.fec_inner); - stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate); - stv0299_writeregI(state, 0x22, 0x00); - stv0299_writeregI(state, 0x23, 0x00); - stv0299_readreg (state, 0x23); - stv0299_writeregI(state, 0x12, 0xb9); - } + stv0299_writeregI(state, 0x05, 0xb5); /* enable i2c repeater on stv0299 */ + state->config->pll_set(fe, state->i2c, p); + stv0299_writeregI(state, 0x05, 0x35); /* disable i2c repeater on stv0299 */ + + stv0299_set_FEC (state, p->u.qpsk.fec_inner); + stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate); + stv0299_writeregI(state, 0x22, 0x00); + stv0299_writeregI(state, 0x23, 0x00); + stv0299_readreg (state, 0x23); + stv0299_writeregI(state, 0x12, 0xb9); state->tuner_frequency = p->frequency; state->fec_inner = p->u.qpsk.fec_inner; diff --git a/drivers/media/dvb/frontends/stv0299.h b/drivers/media/dvb/frontends/stv0299.h index d0c4484861e..9af3d71c89d 100644 --- a/drivers/media/dvb/frontends/stv0299.h +++ b/drivers/media/dvb/frontends/stv0299.h @@ -73,9 +73,6 @@ struct stv0299_config /* does the inversion require inversion? */ u8 invert:1; - /* Should the enhanced tuning code be used? */ - u8 enhanced_tuning:1; - /* Skip reinitialisation? */ u8 skip_reinit:1; -- cgit v1.2.3 From c0b11b914de27e0e82b5311cf9b498a1b008b591 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Tue, 8 Nov 2005 21:35:32 -0800 Subject: [PATCH] dvb: Add support for Air2PC/AirStar 2 ATSC 3rd generation (HD5000) Added support for Air2PC/AirStar 2 ATSC 3rd generation (HD5000) Signed-off-by: Taylor Jacob Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/dvb-pll.c | 2 +- drivers/media/dvb/frontends/lgdt330x.c | 15 +++++++++++++-- drivers/media/dvb/frontends/lgdt330x.h | 4 ++++ 3 files changed, 18 insertions(+), 3 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index 536c35d969b..6668839f947 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -226,7 +226,7 @@ struct dvb_pll_desc dvb_pll_tua6034 = { EXPORT_SYMBOL(dvb_pll_tua6034); /* Infineon TUA6034 - * used in LG Innotek TDVS-H062F + * used in LG TDVS H061F and LG TDVS H062F */ struct dvb_pll_desc dvb_pll_tdvs_tua6034 = { .name = "LG/Infineon TUA6034", diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c index 145918877d2..10fc4e7878a 100644 --- a/drivers/media/dvb/frontends/lgdt330x.c +++ b/drivers/media/dvb/frontends/lgdt330x.c @@ -27,6 +27,7 @@ * DViCO FusionHDTV 3 Gold-T * DViCO FusionHDTV 5 Gold * DViCO FusionHDTV 5 Lite + * Air2PC/AirStar 2 ATSC 3rd generation (HD5000) * * TODO: * signal strength always returns 0. @@ -223,6 +224,11 @@ static int lgdt330x_init(struct dvb_frontend* fe) 0x4c, 0x14 }; + static u8 flip_lgdt3303_init_data[] = { + 0x4c, 0x14, + 0x87, 0xf3 + }; + struct lgdt330x_state* state = fe->demodulator_priv; char *chip_name; int err; @@ -235,8 +241,13 @@ static int lgdt330x_init(struct dvb_frontend* fe) break; case LGDT3303: chip_name = "LGDT3303"; - err = i2c_write_demod_bytes(state, lgdt3303_init_data, - sizeof(lgdt3303_init_data)); + if (state->config->clock_polarity_flip) { + err = i2c_write_demod_bytes(state, flip_lgdt3303_init_data, + sizeof(flip_lgdt3303_init_data)); + } else { + err = i2c_write_demod_bytes(state, lgdt3303_init_data, + sizeof(lgdt3303_init_data)); + } break; default: chip_name = "undefined"; diff --git a/drivers/media/dvb/frontends/lgdt330x.h b/drivers/media/dvb/frontends/lgdt330x.h index e209ba1e47c..2a6529cccf1 100644 --- a/drivers/media/dvb/frontends/lgdt330x.h +++ b/drivers/media/dvb/frontends/lgdt330x.h @@ -47,6 +47,10 @@ struct lgdt330x_config /* Need to set device param for start_dma */ int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); + + /* Flip the polarity of the mpeg data transfer clock using alternate init data + * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled */ + int clock_polarity_flip; }; extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, -- cgit v1.2.3 From 147418c9ca7bdffadafb0122c15b1eae167142f4 Mon Sep 17 00:00:00 2001 From: Kirk Lapray Date: Tue, 8 Nov 2005 21:35:39 -0800 Subject: [PATCH] dvb: add support for plls used by nxt200x - Added support for the following: Philips TUV1236D - ATI HDTV Wonder ALPS TDHU2 - AverTVHD MCE A180 Samsung TBMV30111IN - Air2PC ATSC - 2nd generation These will be used in a new NXT200X driver that incorporates the NXT2002 driver and adds support for a couple NXT2004 based cards. Signed-off-by: Kirk Lapray Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/dvb-pll.c | 52 +++++++++++++++++++++++++++++++++++ drivers/media/dvb/frontends/dvb-pll.h | 4 +++ 2 files changed, 56 insertions(+) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index 6668839f947..6ba7433c2aa 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -292,6 +292,58 @@ struct dvb_pll_desc dvb_pll_tded4 = { }; EXPORT_SYMBOL(dvb_pll_tded4); +/* ALPS TDHU2 + * used in AverTVHD MCE A180 + */ +struct dvb_pll_desc dvb_pll_tdhu2 = { + .name = "ALPS TDHU2", + .min = 54000000, + .max = 864000000, + .count = 4, + .entries = { + { 162000000, 44000000, 62500, 0x85, 0x01 }, + { 426000000, 44000000, 62500, 0x85, 0x02 }, + { 782000000, 44000000, 62500, 0x85, 0x08 }, + { 999999999, 44000000, 62500, 0x85, 0x88 }, + } +}; +EXPORT_SYMBOL(dvb_pll_tdhu2); + +/* Philips TUV1236D + * used in ATI HDTV Wonder + */ +struct dvb_pll_desc dvb_pll_tuv1236d = { + .name = "Philips TUV1236D", + .min = 57000000, + .max = 864000000, + .count = 3, + .entries = { + { 157250000, 44000000, 62500, 0xc6, 0x41 }, + { 454000000, 44000000, 62500, 0xc6, 0x42 }, + { 999999999, 44000000, 62500, 0xc6, 0x44 }, + }, +}; +EXPORT_SYMBOL(dvb_pll_tuv1236d); + +/* Samsung TBMV30111IN + * used in Air2PC ATSC - 2nd generation (nxt2002) + */ +struct dvb_pll_desc dvb_pll_tbmv30111in = { + .name = "Samsung TBMV30111IN", + .min = 54000000, + .max = 860000000, + .count = 4, + .entries = { + { 172000000, 44000000, 166666, 0xb4, 0x01 }, + { 214000000, 44000000, 166666, 0xb4, 0x02 }, + { 467000000, 44000000, 166666, 0xbc, 0x02 }, + { 721000000, 44000000, 166666, 0xbc, 0x08 }, + { 841000000, 44000000, 166666, 0xf4, 0x08 }, + { 999999999, 44000000, 166666, 0xfc, 0x02 }, + } +}; +EXPORT_SYMBOL(dvb_pll_tbmv30111in); + /* ----------------------------------------------------------- */ /* code */ diff --git a/drivers/media/dvb/frontends/dvb-pll.h b/drivers/media/dvb/frontends/dvb-pll.h index 205b2d1a885..497d31dcf41 100644 --- a/drivers/media/dvb/frontends/dvb-pll.h +++ b/drivers/media/dvb/frontends/dvb-pll.h @@ -36,6 +36,10 @@ extern struct dvb_pll_desc dvb_pll_tda665x; extern struct dvb_pll_desc dvb_pll_fmd1216me; extern struct dvb_pll_desc dvb_pll_tded4; +extern struct dvb_pll_desc dvb_pll_tuv1236d; +extern struct dvb_pll_desc dvb_pll_tdhu2; +extern struct dvb_pll_desc dvb_pll_tbmv30111in; + int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, u32 freq, int bandwidth); -- cgit v1.2.3 From ff29d06a102b35f9523ab4b6c38c9eb9948d1c80 Mon Sep 17 00:00:00 2001 From: Oliver Endriss Date: Tue, 8 Nov 2005 21:35:43 -0800 Subject: [PATCH] dvb: stv0299: reduce i2c xfer and set register 0x12 from inittab stv0299_set_frontend(): reduced number of i2c transfers, set register 0x12 from inittab Signed-off-by: Oliver Endriss Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/stv0299.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c index 35dc8439be1..29c48665e13 100644 --- a/drivers/media/dvb/frontends/stv0299.c +++ b/drivers/media/dvb/frontends/stv0299.c @@ -561,8 +561,6 @@ static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate); stv0299_writeregI(state, 0x22, 0x00); stv0299_writeregI(state, 0x23, 0x00); - stv0299_readreg (state, 0x23); - stv0299_writeregI(state, 0x12, 0xb9); state->tuner_frequency = p->frequency; state->fec_inner = p->u.qpsk.fec_inner; -- cgit v1.2.3 From 04a45929e7f00ed4fc7b1d375397f808c8a5d0eb Mon Sep 17 00:00:00 2001 From: Kirk Lapray Date: Tue, 8 Nov 2005 21:35:46 -0800 Subject: [PATCH] dvb: add nxt200x frontend module * nxt200x.c, nxt200x.h - New frontend module that supports both NXT2002 and NXT2004. So far, only tested on NXT2004. After testing on NXT2002, we should deprecate the nxt2002 module, and implement this one instead on the applicable cards. * get_dvb_firmware: - Added support for the NXT2004 firmware. This firmware works with both the ATI HDTV Wonder and the AVerTVHD MCE a180. This was originally written by Jean-Francois Thibert * dvb-pll.c - Fixed minimum frequency for tuv1236d. It seems that the data sheets are wrong. Signed-off-by: Kirk Lapray Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/Kconfig | 8 + drivers/media/dvb/frontends/Makefile | 1 + drivers/media/dvb/frontends/dvb-pll.c | 2 +- drivers/media/dvb/frontends/nxt200x.c | 1203 +++++++++++++++++++++++++++++++++ drivers/media/dvb/frontends/nxt200x.h | 58 ++ 5 files changed, 1271 insertions(+), 1 deletion(-) create mode 100644 drivers/media/dvb/frontends/nxt200x.c create mode 100644 drivers/media/dvb/frontends/nxt200x.h (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index a50a41f6f79..8e269e1c1f9 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -164,6 +164,14 @@ config DVB_NXT2002 help An ATSC 8VSB tuner module. Say Y when you want to support this frontend. +config DVB_NXT200X + tristate "Nextwave NXT2002/NXT2004 based" + depends on DVB_CORE + select FW_LOADER + help + An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want + to support this frontend. + config DVB_OR51211 tristate "or51211 based (pcHDTV HD2000 card)" depends on DVB_CORE diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index ad8658ffd60..1692ee65ba5 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_DVB_TDA80XX) += tda80xx.o obj-$(CONFIG_DVB_TDA10021) += tda10021.o obj-$(CONFIG_DVB_STV0297) += stv0297.o obj-$(CONFIG_DVB_NXT2002) += nxt2002.o +obj-$(CONFIG_DVB_NXT2002) += nxt200x.o obj-$(CONFIG_DVB_OR51211) += or51211.o obj-$(CONFIG_DVB_OR51132) += or51132.o obj-$(CONFIG_DVB_BCM3510) += bcm3510.o diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index 6ba7433c2aa..f857b869616 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -314,7 +314,7 @@ EXPORT_SYMBOL(dvb_pll_tdhu2); */ struct dvb_pll_desc dvb_pll_tuv1236d = { .name = "Philips TUV1236D", - .min = 57000000, + .min = 54000000, .max = 864000000, .count = 3, .entries = { diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c new file mode 100644 index 00000000000..1d729be9b75 --- /dev/null +++ b/drivers/media/dvb/frontends/nxt200x.c @@ -0,0 +1,1203 @@ +/* + * Support for NXT2002 and NXT2004 - VSB/QAM + * + * Copyright (C) 2005 Kirk Lapray (kirk.lapray@gmail.com) + * based on nxt2002 by Taylor Jacob + * and nxt2004 by Jean-Francois Thibert (jeanfrancois@sagetv.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * +*/ + +/* + * NOTES ABOUT THIS DRIVER + * + * This Linux driver supports: + * B2C2/BBTI Technisat Air2PC - ATSC (NXT2002) + * AverTVHD MCE A180 (NXT2004) + * ATI HDTV Wonder (NXT2004) + * + * This driver needs external firmware. Please use the command + * "/Documentation/dvb/get_dvb_firmware nxt2002" or + * "/Documentation/dvb/get_dvb_firmware nxt2004" to + * download/extract the appropriate firmware, and then copy it to + * /usr/lib/hotplug/firmware/ or /lib/firmware/ + * (depending on configuration of firmware hotplug). + */ +#define NXT2002_DEFAULT_FIRMWARE "dvb-fe-nxt2002.fw" +#define NXT2004_DEFAULT_FIRMWARE "dvb-fe-nxt2004.fw" +#define CRC_CCIT_MASK 0x1021 + +#include +#include +#include +#include + +#include "dvb_frontend.h" +#include "dvb-pll.h" +#include "nxt200x.h" + +struct nxt200x_state { + + struct i2c_adapter* i2c; + struct dvb_frontend_ops ops; + const struct nxt200x_config* config; + struct dvb_frontend frontend; + + /* demodulator private data */ + nxt_chip_type demod_chip; + u8 initialised:1; +}; + +static int debug; +#define dprintk(args...) \ + do { \ + if (debug) printk(KERN_DEBUG "nxt200x: " args); \ + } while (0) + +static int i2c_writebytes (struct nxt200x_state* state, u8 addr, u8 *buf, u8 len) +{ + int err; + struct i2c_msg msg = { .addr = addr, .flags = 0, .buf = buf, .len = len }; + + if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) { + printk (KERN_WARNING "nxt200x: %s: i2c write error (addr 0x%02x, err == %i)\n", + __FUNCTION__, addr, err); + return -EREMOTEIO; + } + return 0; +} + +static u8 i2c_readbytes (struct nxt200x_state* state, u8 addr, u8* buf, u8 len) +{ + int err; + struct i2c_msg msg = { .addr = addr, .flags = I2C_M_RD, .buf = buf, .len = len }; + + if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) { + printk (KERN_WARNING "nxt200x: %s: i2c read error (addr 0x%02x, err == %i)\n", + __FUNCTION__, addr, err); + return -EREMOTEIO; + } + return 0; +} + +static int nxt200x_writebytes (struct nxt200x_state* state, u8 reg, u8 *buf, u8 len) +{ + u8 buf2 [len+1]; + int err; + struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf2, .len = len + 1 }; + + buf2[0] = reg; + memcpy(&buf2[1], buf, len); + + if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) { + printk (KERN_WARNING "nxt200x: %s: i2c write error (addr 0x%02x, err == %i)\n", + __FUNCTION__, state->config->demod_address, err); + return -EREMOTEIO; + } + return 0; +} + +static u8 nxt200x_readbytes (struct nxt200x_state* state, u8 reg, u8* buf, u8 len) +{ + u8 reg2 [] = { reg }; + + struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = reg2, .len = 1 }, + { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = buf, .len = len } }; + + int err; + + if ((err = i2c_transfer (state->i2c, msg, 2)) != 2) { + printk (KERN_WARNING "nxt200x: %s: i2c read error (addr 0x%02x, err == %i)\n", + __FUNCTION__, state->config->demod_address, err); + return -EREMOTEIO; + } + return 0; +} + +static u16 nxt200x_crc(u16 crc, u8 c) +{ + u8 i; + u16 input = (u16) c & 0xFF; + + input<<=8; + for(i=0; i<8; i++) { + if((crc^input) & 0x8000) + crc=(crc<<1)^CRC_CCIT_MASK; + else + crc<<=1; + input<<=1; + } + return crc; +} + +static int nxt200x_writereg_multibyte (struct nxt200x_state* state, u8 reg, u8* data, u8 len) +{ + u8 attr, len2, buf; + dprintk("%s\n", __FUNCTION__); + + /* set mutli register register */ + nxt200x_writebytes(state, 0x35, ®, 1); + + /* send the actual data */ + nxt200x_writebytes(state, 0x36, data, len); + + switch (state->demod_chip) { + case NXT2002: + len2 = len; + buf = 0x02; + break; + case NXT2004: + /* probably not right, but gives correct values */ + attr = 0x02; + if (reg & 0x80) { + attr = attr << 1; + if (reg & 0x04) + attr = attr >> 1; + } + /* set write bit */ + len2 = ((attr << 4) | 0x10) | len; + buf = 0x80; + break; + default: + return -EINVAL; + break; + } + + /* set multi register length */ + nxt200x_writebytes(state, 0x34, &len2, 1); + + /* toggle the multireg write bit */ + nxt200x_writebytes(state, 0x21, &buf, 1); + + nxt200x_readbytes(state, 0x21, &buf, 1); + + switch (state->demod_chip) { + case NXT2002: + if ((buf & 0x02) == 0) + return 0; + break; + case NXT2004: + if (buf == 0) + return 0; + break; + default: + return -EINVAL; + break; + } + + printk(KERN_WARNING "nxt200x: Error writing multireg register 0x%02X\n",reg); + + return 0; +} + +static int nxt200x_readreg_multibyte (struct nxt200x_state* state, u8 reg, u8* data, u8 len) +{ + int i; + u8 buf, len2, attr; + dprintk("%s\n", __FUNCTION__); + + /* set mutli register register */ + nxt200x_writebytes(state, 0x35, ®, 1); + + switch (state->demod_chip) { + case NXT2002: + /* set multi register length */ + len2 = len & 0x80; + nxt200x_writebytes(state, 0x34, &len2, 1); + + /* read the actual data */ + nxt200x_readbytes(state, reg, data, len); + return 0; + break; + case NXT2004: + /* probably not right, but gives correct values */ + attr = 0x02; + if (reg & 0x80) { + attr = attr << 1; + if (reg & 0x04) + attr = attr >> 1; + } + + /* set multi register length */ + len2 = (attr << 4) | len; + nxt200x_writebytes(state, 0x34, &len2, 1); + + /* toggle the multireg bit*/ + buf = 0x80; + nxt200x_writebytes(state, 0x21, &buf, 1); + + /* read status */ + nxt200x_readbytes(state, 0x21, &buf, 1); + + if (buf == 0) + { + /* read the actual data */ + for(i = 0; i < len; i++) { + nxt200x_readbytes(state, 0x36 + i, &data[i], 1); + } + return 0; + } + break; + default: + return -EINVAL; + break; + } + + printk(KERN_WARNING "nxt200x: Error reading multireg register 0x%02X\n",reg); + + return 0; +} + +static void nxt200x_microcontroller_stop (struct nxt200x_state* state) +{ + u8 buf, stopval, counter = 0; + dprintk("%s\n", __FUNCTION__); + + /* set correct stop value */ + switch (state->demod_chip) { + case NXT2002: + stopval = 0x40; + break; + case NXT2004: + stopval = 0x10; + break; + default: + stopval = 0; + break; + } + + buf = 0x80; + nxt200x_writebytes(state, 0x22, &buf, 1); + + while (counter < 20) { + nxt200x_readbytes(state, 0x31, &buf, 1); + if (buf & stopval) + return; + msleep(10); + counter++; + } + + printk(KERN_WARNING "nxt200x: Timeout waiting for nxt200x to stop. This is ok after firmware upload.\n"); + return; +} + +static void nxt200x_microcontroller_start (struct nxt200x_state* state) +{ + u8 buf; + dprintk("%s\n", __FUNCTION__); + + buf = 0x00; + nxt200x_writebytes(state, 0x22, &buf, 1); +} + +static void nxt2004_microcontroller_init (struct nxt200x_state* state) +{ + u8 buf[9]; + u8 counter = 0; + dprintk("%s\n", __FUNCTION__); + + buf[0] = 0x00; + nxt200x_writebytes(state, 0x2b, buf, 1); + buf[0] = 0x70; + nxt200x_writebytes(state, 0x34, buf, 1); + buf[0] = 0x04; + nxt200x_writebytes(state, 0x35, buf, 1); + buf[0] = 0x01; buf[1] = 0x23; buf[2] = 0x45; buf[3] = 0x67; buf[4] = 0x89; + buf[5] = 0xAB; buf[6] = 0xCD; buf[7] = 0xEF; buf[8] = 0xC0; + nxt200x_writebytes(state, 0x36, buf, 9); + buf[0] = 0x80; + nxt200x_writebytes(state, 0x21, buf, 1); + + while (counter < 20) { + nxt200x_readbytes(state, 0x21, buf, 1); + if (buf[0] == 0) + return; + msleep(10); + counter++; + } + + printk(KERN_WARNING "nxt200x: Timeout waiting for nxt2004 to init.\n"); + + return; +} + +static int nxt200x_writetuner (struct nxt200x_state* state, u8* data) +{ + u8 buf, count = 0; + + dprintk("%s\n", __FUNCTION__); + + dprintk("Tuner Bytes: %02X %02X %02X %02X\n", data[0], data[1], data[2], data[3]); + + /* if pll is a Philips TUV1236D then write directly to tuner */ + if (strcmp(state->config->pll_desc->name, "Philips TUV1236D") == 0) { + if (i2c_writebytes(state, state->config->pll_address, data, 4)) + printk(KERN_WARNING "nxt200x: error writing to tuner\n"); + /* wait until we have a lock */ + while (count < 20) { + i2c_readbytes(state, state->config->pll_address, &buf, 1); + if (buf & 0x40) + return 0; + msleep(100); + count++; + } + printk("nxt200x: timeout waiting for tuner lock\n"); + return 0; + } else { + /* set the i2c transfer speed to the tuner */ + buf = 0x03; + nxt200x_writebytes(state, 0x20, &buf, 1); + + /* setup to transfer 4 bytes via i2c */ + buf = 0x04; + nxt200x_writebytes(state, 0x34, &buf, 1); + + /* write actual tuner bytes */ + nxt200x_writebytes(state, 0x36, data, 4); + + /* set tuner i2c address */ + buf = state->config->pll_address; + nxt200x_writebytes(state, 0x35, &buf, 1); + + /* write UC Opmode to begin transfer */ + buf = 0x80; + nxt200x_writebytes(state, 0x21, &buf, 1); + + while (count < 20) { + nxt200x_readbytes(state, 0x21, &buf, 1); + if ((buf & 0x80)== 0x00) + return 0; + msleep(100); + count++; + } + printk("nxt200x: timeout error writing tuner\n"); + return 0; + } +} + +static void nxt200x_agc_reset(struct nxt200x_state* state) +{ + u8 buf; + dprintk("%s\n", __FUNCTION__); + + switch (state->demod_chip) { + case NXT2002: + buf = 0x08; + nxt200x_writebytes(state, 0x08, &buf, 1); + buf = 0x00; + nxt200x_writebytes(state, 0x08, &buf, 1); + break; + case NXT2004: + nxt200x_readreg_multibyte(state, 0x08, &buf, 1); + buf = 0x08; + nxt200x_writereg_multibyte(state, 0x08, &buf, 1); + buf = 0x00; + nxt200x_writereg_multibyte(state, 0x08, &buf, 1); + break; + default: + break; + } + return; +} + +static int nxt2002_load_firmware (struct dvb_frontend* fe, const struct firmware *fw) +{ + + struct nxt200x_state* state = fe->demodulator_priv; + u8 buf[3], written = 0, chunkpos = 0; + u16 rambase, position, crc = 0; + + dprintk("%s\n", __FUNCTION__); + dprintk("Firmware is %zu bytes\n", fw->size); + + /* Get the RAM base for this nxt2002 */ + nxt200x_readbytes(state, 0x10, buf, 1); + + if (buf[0] & 0x10) + rambase = 0x1000; + else + rambase = 0x0000; + + dprintk("rambase on this nxt2002 is %04X\n", rambase); + + /* Hold the micro in reset while loading firmware */ + buf[0] = 0x80; + nxt200x_writebytes(state, 0x2B, buf, 1); + + for (position = 0; position < fw->size; position++) { + if (written == 0) { + crc = 0; + chunkpos = 0x28; + buf[0] = ((rambase + position) >> 8); + buf[1] = (rambase + position) & 0xFF; + buf[2] = 0x81; + /* write starting address */ + nxt200x_writebytes(state, 0x29, buf, 3); + } + written++; + chunkpos++; + + if ((written % 4) == 0) + nxt200x_writebytes(state, chunkpos, &fw->data[position-3], 4); + + crc = nxt200x_crc(crc, fw->data[position]); + + if ((written == 255) || (position+1 == fw->size)) { + /* write remaining bytes of firmware */ + nxt200x_writebytes(state, chunkpos+4-(written %4), + &fw->data[position-(written %4) + 1], + written %4); + buf[0] = crc << 8; + buf[1] = crc & 0xFF; + + /* write crc */ + nxt200x_writebytes(state, 0x2C, buf, 2); + + /* do a read to stop things */ + nxt200x_readbytes(state, 0x2A, buf, 1); + + /* set transfer mode to complete */ + buf[0] = 0x80; + nxt200x_writebytes(state, 0x2B, buf, 1); + + written = 0; + } + } + + return 0; +}; + +static int nxt2004_load_firmware (struct dvb_frontend* fe, const struct firmware *fw) +{ + + struct nxt200x_state* state = fe->demodulator_priv; + u8 buf[3]; + u16 rambase, position, crc=0; + + dprintk("%s\n", __FUNCTION__); + dprintk("Firmware is %zu bytes\n", fw->size); + + /* set rambase */ + rambase = 0x1000; + + /* hold the micro in reset while loading firmware */ + buf[0] = 0x80; + nxt200x_writebytes(state, 0x2B, buf,1); + + /* calculate firmware CRC */ + for (position = 0; position < fw->size; position++) { + crc = nxt200x_crc(crc, fw->data[position]); + } + + buf[0] = rambase >> 8; + buf[1] = rambase & 0xFF; + buf[2] = 0x81; + /* write starting address */ + nxt200x_writebytes(state,0x29,buf,3); + + for (position = 0; position < fw->size;) { + nxt200x_writebytes(state, 0x2C, &fw->data[position], + fw->size-position > 255 ? 255 : fw->size-position); + position += (fw->size-position > 255 ? 255 : fw->size-position); + } + buf[0] = crc >> 8; + buf[1] = crc & 0xFF; + + dprintk("firmware crc is 0x%02X 0x%02X\n", buf[0], buf[1]); + + /* write crc */ + nxt200x_writebytes(state, 0x2C, buf,2); + + /* do a read to stop things */ + nxt200x_readbytes(state, 0x2C, buf, 1); + + /* set transfer mode to complete */ + buf[0] = 0x80; + nxt200x_writebytes(state, 0x2B, buf,1); + + return 0; +}; + +static int nxt200x_setup_frontend_parameters (struct dvb_frontend* fe, + struct dvb_frontend_parameters *p) +{ + struct nxt200x_state* state = fe->demodulator_priv; + u8 buf[4]; + + /* stop the micro first */ + nxt200x_microcontroller_stop(state); + + if (state->demod_chip == NXT2004) { + /* make sure demod is set to digital */ + buf[0] = 0x04; + nxt200x_writebytes(state, 0x14, buf, 1); + buf[0] = 0x00; + nxt200x_writebytes(state, 0x17, buf, 1); + } + + /* get tuning information */ + dvb_pll_configure(state->config->pll_desc, buf, p->frequency, 0); + + /* set additional params */ + switch (p->u.vsb.modulation) { + case QAM_64: + case QAM_256: + /* Set punctured clock for QAM */ + /* This is just a guess since I am unable to test it */ + state->config->set_ts_params(fe, 1); + + /* set to use cable input */ + buf[3] |= 0x08; + break; + case VSB_8: + /* Set non-punctured clock for VSB */ + state->config->set_ts_params(fe, 0); + break; + default: + return -EINVAL; + break; + } + + /* write frequency information */ + nxt200x_writetuner(state, buf); + + /* reset the agc now that tuning has been completed */ + nxt200x_agc_reset(state); + + /* set target power level */ + switch (p->u.vsb.modulation) { + case QAM_64: + case QAM_256: + buf[0] = 0x74; + break; + case VSB_8: + buf[0] = 0x70; + break; + default: + return -EINVAL; + break; + } + nxt200x_writebytes(state, 0x42, buf, 1); + + /* configure sdm */ + switch (state->demod_chip) { + case NXT2002: + buf[0] = 0x87; + break; + case NXT2004: + buf[0] = 0x07; + break; + default: + return -EINVAL; + break; + } + nxt200x_writebytes(state, 0x57, buf, 1); + + /* write sdm1 input */ + buf[0] = 0x10; + buf[1] = 0x00; + nxt200x_writebytes(state, 0x58, buf, 2); + + /* write sdmx input */ + switch (p->u.vsb.modulation) { + case QAM_64: + buf[0] = 0x68; + break; + case QAM_256: + buf[0] = 0x64; + break; + case VSB_8: + buf[0] = 0x60; + break; + default: + return -EINVAL; + break; + } + buf[1] = 0x00; + nxt200x_writebytes(state, 0x5C, buf, 2); + + /* write adc power lpf fc */ + buf[0] = 0x05; + nxt200x_writebytes(state, 0x43, buf, 1); + + if (state->demod_chip == NXT2004) { + /* write ??? */ + buf[0] = 0x00; + buf[1] = 0x00; + nxt200x_writebytes(state, 0x46, buf, 2); + } + + /* write accumulator2 input */ + buf[0] = 0x80; + buf[1] = 0x00; + nxt200x_writebytes(state, 0x4B, buf, 2); + + /* write kg1 */ + buf[0] = 0x00; + nxt200x_writebytes(state, 0x4D, buf, 1); + + /* write sdm12 lpf fc */ + buf[0] = 0x44; + nxt200x_writebytes(state, 0x55, buf, 1); + + /* write agc control reg */ + buf[0] = 0x04; + nxt200x_writebytes(state, 0x41, buf, 1); + + if (state->demod_chip == NXT2004) { + nxt200x_readreg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x24; + nxt200x_writereg_multibyte(state, 0x80, buf, 1); + + /* soft reset? */ + nxt200x_readreg_multibyte(state, 0x08, buf, 1); + buf[0] = 0x10; + nxt200x_writereg_multibyte(state, 0x08, buf, 1); + nxt200x_readreg_multibyte(state, 0x08, buf, 1); + buf[0] = 0x00; + nxt200x_writereg_multibyte(state, 0x08, buf, 1); + + nxt200x_readreg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x04; + nxt200x_writereg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x00; + nxt200x_writereg_multibyte(state, 0x81, buf, 1); + buf[0] = 0x80; buf[1] = 0x00; buf[2] = 0x00; + nxt200x_writereg_multibyte(state, 0x82, buf, 3); + nxt200x_readreg_multibyte(state, 0x88, buf, 1); + buf[0] = 0x11; + nxt200x_writereg_multibyte(state, 0x88, buf, 1); + nxt200x_readreg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x44; + nxt200x_writereg_multibyte(state, 0x80, buf, 1); + } + + /* write agc ucgp0 */ + switch (p->u.vsb.modulation) { + case QAM_64: + buf[0] = 0x02; + break; + case QAM_256: + buf[0] = 0x03; + break; + case VSB_8: + buf[0] = 0x00; + break; + default: + return -EINVAL; + break; + } + nxt200x_writebytes(state, 0x30, buf, 1); + + /* write agc control reg */ + buf[0] = 0x00; + nxt200x_writebytes(state, 0x41, buf, 1); + + /* write accumulator2 input */ + buf[0] = 0x80; + buf[1] = 0x00; + nxt200x_writebytes(state, 0x49, buf,2); + nxt200x_writebytes(state, 0x4B, buf,2); + + /* write agc control reg */ + buf[0] = 0x04; + nxt200x_writebytes(state, 0x41, buf, 1); + + nxt200x_microcontroller_start(state); + + if (state->demod_chip == NXT2004) { + nxt2004_microcontroller_init(state); + + /* ???? */ + buf[0] = 0xF0; + buf[1] = 0x00; + nxt200x_writebytes(state, 0x5C, buf, 2); + } + + /* adjacent channel detection should be done here, but I don't + have any stations with this need so I cannot test it */ + + return 0; +} + +static int nxt200x_read_status(struct dvb_frontend* fe, fe_status_t* status) +{ + struct nxt200x_state* state = fe->demodulator_priv; + u8 lock; + nxt200x_readbytes(state, 0x31, &lock, 1); + + *status = 0; + if (lock & 0x20) { + *status |= FE_HAS_SIGNAL; + *status |= FE_HAS_CARRIER; + *status |= FE_HAS_VITERBI; + *status |= FE_HAS_SYNC; + *status |= FE_HAS_LOCK; + } + return 0; +} + +static int nxt200x_read_ber(struct dvb_frontend* fe, u32* ber) +{ + struct nxt200x_state* state = fe->demodulator_priv; + u8 b[3]; + + nxt200x_readreg_multibyte(state, 0xE6, b, 3); + + *ber = ((b[0] << 8) + b[1]) * 8; + + return 0; +} + +static int nxt200x_read_signal_strength(struct dvb_frontend* fe, u16* strength) +{ + struct nxt200x_state* state = fe->demodulator_priv; + u8 b[2]; + u16 temp = 0; + + /* setup to read cluster variance */ + b[0] = 0x00; + nxt200x_writebytes(state, 0xA1, b, 1); + + /* get multreg val */ + nxt200x_readreg_multibyte(state, 0xA6, b, 2); + + temp = (b[0] << 8) | b[1]; + *strength = ((0x7FFF - temp) & 0x0FFF) * 16; + + return 0; +} + +static int nxt200x_read_snr(struct dvb_frontend* fe, u16* snr) +{ + + struct nxt200x_state* state = fe->demodulator_priv; + u8 b[2]; + u16 temp = 0, temp2; + u32 snrdb = 0; + + /* setup to read cluster variance */ + b[0] = 0x00; + nxt200x_writebytes(state, 0xA1, b, 1); + + /* get multreg val from 0xA6 */ + nxt200x_readreg_multibyte(state, 0xA6, b, 2); + + temp = (b[0] << 8) | b[1]; + temp2 = 0x7FFF - temp; + + /* snr will be in db */ + if (temp2 > 0x7F00) + snrdb = 1000*24 + ( 1000*(30-24) * ( temp2 - 0x7F00 ) / ( 0x7FFF - 0x7F00 ) ); + else if (temp2 > 0x7EC0) + snrdb = 1000*18 + ( 1000*(24-18) * ( temp2 - 0x7EC0 ) / ( 0x7F00 - 0x7EC0 ) ); + else if (temp2 > 0x7C00) + snrdb = 1000*12 + ( 1000*(18-12) * ( temp2 - 0x7C00 ) / ( 0x7EC0 - 0x7C00 ) ); + else + snrdb = 1000*0 + ( 1000*(12-0) * ( temp2 - 0 ) / ( 0x7C00 - 0 ) ); + + /* the value reported back from the frontend will be FFFF=32db 0000=0db */ + *snr = snrdb * (0xFFFF/32000); + + return 0; +} + +static int nxt200x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) +{ + struct nxt200x_state* state = fe->demodulator_priv; + u8 b[3]; + + nxt200x_readreg_multibyte(state, 0xE6, b, 3); + *ucblocks = b[2]; + + return 0; +} + +static int nxt200x_sleep(struct dvb_frontend* fe) +{ + return 0; +} + +static int nxt2002_init(struct dvb_frontend* fe) +{ + struct nxt200x_state* state = fe->demodulator_priv; + const struct firmware *fw; + int ret; + u8 buf[2]; + + /* request the firmware, this will block until someone uploads it */ + printk("nxt2002: Waiting for firmware upload (%s)...\n", NXT2002_DEFAULT_FIRMWARE); + ret = request_firmware(&fw, NXT2002_DEFAULT_FIRMWARE, &state->i2c->dev); + printk("nxt2002: Waiting for firmware upload(2)...\n"); + if (ret) { + printk("nxt2002: No firmware uploaded (timeout or file not found?)\n"); + return ret; + } + + ret = nxt2002_load_firmware(fe, fw); + if (ret) { + printk("nxt2002: Writing firmware to device failed\n"); + release_firmware(fw); + return ret; + } + printk("nxt2002: Firmware upload complete\n"); + + /* Put the micro into reset */ + nxt200x_microcontroller_stop(state); + + /* ensure transfer is complete */ + buf[0]=0x00; + nxt200x_writebytes(state, 0x2B, buf, 1); + + /* Put the micro into reset for real this time */ + nxt200x_microcontroller_stop(state); + + /* soft reset everything (agc,frontend,eq,fec)*/ + buf[0] = 0x0F; + nxt200x_writebytes(state, 0x08, buf, 1); + buf[0] = 0x00; + nxt200x_writebytes(state, 0x08, buf, 1); + + /* write agc sdm configure */ + buf[0] = 0xF1; + nxt200x_writebytes(state, 0x57, buf, 1); + + /* write mod output format */ + buf[0] = 0x20; + nxt200x_writebytes(state, 0x09, buf, 1); + + /* write fec mpeg mode */ + buf[0] = 0x7E; + buf[1] = 0x00; + nxt200x_writebytes(state, 0xE9, buf, 2); + + /* write mux selection */ + buf[0] = 0x00; + nxt200x_writebytes(state, 0xCC, buf, 1); + + return 0; +} + +static int nxt2004_init(struct dvb_frontend* fe) +{ + struct nxt200x_state* state = fe->demodulator_priv; + const struct firmware *fw; + int ret; + u8 buf[3]; + + /* ??? */ + buf[0]=0x00; + nxt200x_writebytes(state, 0x1E, buf, 1); + + /* request the firmware, this will block until someone uploads it */ + printk("nxt2004: Waiting for firmware upload (%s)...\n", NXT2004_DEFAULT_FIRMWARE); + ret = request_firmware(&fw, NXT2004_DEFAULT_FIRMWARE, &state->i2c->dev); + printk("nxt2004: Waiting for firmware upload(2)...\n"); + if (ret) { + printk("nxt2004: No firmware uploaded (timeout or file not found?)\n"); + return ret; + } + + ret = nxt2004_load_firmware(fe, fw); + if (ret) { + printk("nxt2004: Writing firmware to device failed\n"); + release_firmware(fw); + return ret; + } + printk("nxt2004: Firmware upload complete\n"); + + /* ensure transfer is complete */ + buf[0] = 0x01; + nxt200x_writebytes(state, 0x19, buf, 1); + + nxt2004_microcontroller_init(state); + nxt200x_microcontroller_stop(state); + nxt200x_microcontroller_stop(state); + nxt2004_microcontroller_init(state); + nxt200x_microcontroller_stop(state); + + /* soft reset everything (agc,frontend,eq,fec)*/ + buf[0] = 0xFF; + nxt200x_writereg_multibyte(state, 0x08, buf, 1); + buf[0] = 0x00; + nxt200x_writereg_multibyte(state, 0x08, buf, 1); + + /* write agc sdm configure */ + buf[0] = 0xD7; + nxt200x_writebytes(state, 0x57, buf, 1); + + /* ???*/ + buf[0] = 0x07; + buf[1] = 0xfe; + nxt200x_writebytes(state, 0x35, buf, 2); + buf[0] = 0x12; + nxt200x_writebytes(state, 0x34, buf, 1); + buf[0] = 0x80; + nxt200x_writebytes(state, 0x21, buf, 1); + + /* ???*/ + buf[0] = 0x21; + nxt200x_writebytes(state, 0x0A, buf, 1); + + /* ???*/ + buf[0] = 0x01; + nxt200x_writereg_multibyte(state, 0x80, buf, 1); + + /* write fec mpeg mode */ + buf[0] = 0x7E; + buf[1] = 0x00; + nxt200x_writebytes(state, 0xE9, buf, 2); + + /* write mux selection */ + buf[0] = 0x00; + nxt200x_writebytes(state, 0xCC, buf, 1); + + /* ???*/ + nxt200x_readreg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x00; + nxt200x_writereg_multibyte(state, 0x80, buf, 1); + + /* soft reset? */ + nxt200x_readreg_multibyte(state, 0x08, buf, 1); + buf[0] = 0x10; + nxt200x_writereg_multibyte(state, 0x08, buf, 1); + nxt200x_readreg_multibyte(state, 0x08, buf, 1); + buf[0] = 0x00; + nxt200x_writereg_multibyte(state, 0x08, buf, 1); + + /* ???*/ + nxt200x_readreg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x01; + nxt200x_writereg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x70; + nxt200x_writereg_multibyte(state, 0x81, buf, 1); + buf[0] = 0x31; buf[1] = 0x5E; buf[2] = 0x66; + nxt200x_writereg_multibyte(state, 0x82, buf, 3); + + nxt200x_readreg_multibyte(state, 0x88, buf, 1); + buf[0] = 0x11; + nxt200x_writereg_multibyte(state, 0x88, buf, 1); + nxt200x_readreg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x40; + nxt200x_writereg_multibyte(state, 0x80, buf, 1); + + nxt200x_readbytes(state, 0x10, buf, 1); + buf[0] = 0x10; + nxt200x_writebytes(state, 0x10, buf, 1); + nxt200x_readbytes(state, 0x0A, buf, 1); + buf[0] = 0x21; + nxt200x_writebytes(state, 0x0A, buf, 1); + + nxt2004_microcontroller_init(state); + + buf[0] = 0x21; + nxt200x_writebytes(state, 0x0A, buf, 1); + buf[0] = 0x7E; + nxt200x_writebytes(state, 0xE9, buf, 1); + buf[0] = 0x00; + nxt200x_writebytes(state, 0xEA, buf, 1); + + nxt200x_readreg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x00; + nxt200x_writereg_multibyte(state, 0x80, buf, 1); + nxt200x_readreg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x00; + nxt200x_writereg_multibyte(state, 0x80, buf, 1); + + /* soft reset? */ + nxt200x_readreg_multibyte(state, 0x08, buf, 1); + buf[0] = 0x10; + nxt200x_writereg_multibyte(state, 0x08, buf, 1); + nxt200x_readreg_multibyte(state, 0x08, buf, 1); + buf[0] = 0x00; + nxt200x_writereg_multibyte(state, 0x08, buf, 1); + + nxt200x_readreg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x04; + nxt200x_writereg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x00; + nxt200x_writereg_multibyte(state, 0x81, buf, 1); + buf[0] = 0x80; buf[1] = 0x00; buf[2] = 0x00; + nxt200x_writereg_multibyte(state, 0x82, buf, 3); + + nxt200x_readreg_multibyte(state, 0x88, buf, 1); + buf[0] = 0x11; + nxt200x_writereg_multibyte(state, 0x88, buf, 1); + + nxt200x_readreg_multibyte(state, 0x80, buf, 1); + buf[0] = 0x44; + nxt200x_writereg_multibyte(state, 0x80, buf, 1); + + /* initialize tuner */ + nxt200x_readbytes(state, 0x10, buf, 1); + buf[0] = 0x12; + nxt200x_writebytes(state, 0x10, buf, 1); + buf[0] = 0x04; + nxt200x_writebytes(state, 0x13, buf, 1); + buf[0] = 0x00; + nxt200x_writebytes(state, 0x16, buf, 1); + buf[0] = 0x04; + nxt200x_writebytes(state, 0x14, buf, 1); + buf[0] = 0x00; + nxt200x_writebytes(state, 0x14, buf, 1); + nxt200x_writebytes(state, 0x17, buf, 1); + nxt200x_writebytes(state, 0x14, buf, 1); + nxt200x_writebytes(state, 0x17, buf, 1); + + return 0; +} + +static int nxt200x_init(struct dvb_frontend* fe) +{ + struct nxt200x_state* state = fe->demodulator_priv; + int ret = 0; + + if (!state->initialised) { + switch (state->demod_chip) { + case NXT2002: + ret = nxt2002_init(fe); + break; + case NXT2004: + ret = nxt2004_init(fe); + break; + default: + return -EINVAL; + break; + } + state->initialised = 1; + } + return ret; +} + +static int nxt200x_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings) +{ + fesettings->min_delay_ms = 500; + fesettings->step_size = 0; + fesettings->max_drift = 0; + return 0; +} + +static void nxt200x_release(struct dvb_frontend* fe) +{ + struct nxt200x_state* state = fe->demodulator_priv; + kfree(state); +} + +static struct dvb_frontend_ops nxt200x_ops; + +struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config, + struct i2c_adapter* i2c) +{ + struct nxt200x_state* state = NULL; + u8 buf [] = {0,0,0,0,0}; + + /* allocate memory for the internal state */ + state = (struct nxt200x_state*) kmalloc(sizeof(struct nxt200x_state), GFP_KERNEL); + if (state == NULL) + goto error; + memset(state,0,sizeof(*state)); + + /* setup the state */ + state->config = config; + state->i2c = i2c; + memcpy(&state->ops, &nxt200x_ops, sizeof(struct dvb_frontend_ops)); + state->initialised = 0; + + /* read card id */ + nxt200x_readbytes(state, 0x00, buf, 5); + dprintk("NXT info: %02X %02X %02X %02X %02X\n", + buf[0], buf[1], buf[2], buf[3], buf[4]); + + /* set demod chip */ + switch (buf[0]) { + case 0x04: + state->demod_chip = NXT2002; + printk("nxt200x: NXT2002 Detected\n"); + break; + case 0x05: + state->demod_chip = NXT2004; + printk("nxt200x: NXT2004 Detected\n"); + break; + default: + goto error; + } + + /* make sure demod chip is supported */ + switch (state->demod_chip) { + case NXT2002: + if (buf[0] != 0x04) goto error; /* device id */ + if (buf[1] != 0x02) goto error; /* fab id */ + if (buf[2] != 0x11) goto error; /* month */ + if (buf[3] != 0x20) goto error; /* year msb */ + if (buf[4] != 0x00) goto error; /* year lsb */ + break; + case NXT2004: + if (buf[0] != 0x05) goto error; /* device id */ + break; + default: + goto error; + } + + /* create dvb_frontend */ + state->frontend.ops = &state->ops; + state->frontend.demodulator_priv = state; + return &state->frontend; + +error: + if (state) + kfree(state); + printk("Unknown/Unsupported NXT chip: %02X %02X %02X %02X %02X\n", + buf[0], buf[1], buf[2], buf[3], buf[4]); + return NULL; +} + +static struct dvb_frontend_ops nxt200x_ops = { + + .info = { + .name = "Nextwave NXT200X VSB/QAM frontend", + .type = FE_ATSC, + .frequency_min = 54000000, + .frequency_max = 860000000, + .frequency_stepsize = 166666, /* stepsize is just a guess */ + .caps = 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 | + FE_CAN_8VSB | FE_CAN_QAM_64 | FE_CAN_QAM_256 + }, + + .release = nxt200x_release, + + .init = nxt200x_init, + .sleep = nxt200x_sleep, + + .set_frontend = nxt200x_setup_frontend_parameters, + .get_tune_settings = nxt200x_get_tune_settings, + + .read_status = nxt200x_read_status, + .read_ber = nxt200x_read_ber, + .read_signal_strength = nxt200x_read_signal_strength, + .read_snr = nxt200x_read_snr, + .read_ucblocks = nxt200x_read_ucblocks, +}; + +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); + +MODULE_DESCRIPTION("NXT200X (ATSC 8VSB & ITU-T J.83 AnnexB 64/256 QAM) Demodulator Driver"); +MODULE_AUTHOR("Kirk Lapray, Jean-Francois Thibert, and Taylor Jacob"); +MODULE_LICENSE("GPL"); + +EXPORT_SYMBOL(nxt200x_attach); + diff --git a/drivers/media/dvb/frontends/nxt200x.h b/drivers/media/dvb/frontends/nxt200x.h new file mode 100644 index 00000000000..8dc3f03ecdf --- /dev/null +++ b/drivers/media/dvb/frontends/nxt200x.h @@ -0,0 +1,58 @@ +/* + * Support for NXT2002 and NXT2004 - VSB/QAM + * + * Copyright (C) 2005 Kirk Lapray (kirk.lapray@gmail.com) + * based on nxt2002 by Taylor Jacob + * and nxt2004 by Jean-Francois Thibert (jeanfrancois@sagetv.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * +*/ + +#ifndef NXT200X_H +#define NXT200X_H + +#include +#include + +typedef enum nxt_chip_t { + NXTUNDEFINED, + NXT2002, + NXT2004 +}nxt_chip_type; + +struct nxt200x_config +{ + /* the demodulator's i2c address */ + u8 demod_address; + + /* tuner information */ + u8 pll_address; + struct dvb_pll_desc *pll_desc; + + /* need to set device param for start_dma */ + int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); +}; + +extern struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config, + struct i2c_adapter* i2c); + +#endif /* NXT200X_H */ + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ -- cgit v1.2.3 From c6dd2d5d61b000509e3a7f6c06778b16a4ef10ba Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Tue, 8 Nov 2005 21:35:47 -0800 Subject: [PATCH] dvb: nxt200x: check callback fix Check that a callback (set_ts_params) is set before calling it. Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/nxt200x.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c index 1d729be9b75..d1b9f8b9b43 100644 --- a/drivers/media/dvb/frontends/nxt200x.c +++ b/drivers/media/dvb/frontends/nxt200x.c @@ -557,14 +557,16 @@ static int nxt200x_setup_frontend_parameters (struct dvb_frontend* fe, case QAM_256: /* Set punctured clock for QAM */ /* This is just a guess since I am unable to test it */ - state->config->set_ts_params(fe, 1); + if (state->config->set_ts_params) + state->config->set_ts_params(fe, 1); /* set to use cable input */ buf[3] |= 0x08; break; case VSB_8: /* Set non-punctured clock for VSB */ - state->config->set_ts_params(fe, 0); + if (state->config->set_ts_params) + state->config->set_ts_params(fe, 0); break; default: return -EINVAL; -- cgit v1.2.3 From 6d35ae3d1137c92a315b7ff10aecd45b1f37d99e Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Tue, 8 Nov 2005 21:35:48 -0800 Subject: [PATCH] dvb: nxt200x: remove null check before kfree() Removed unnecessary null check before kfree() ...inspired by the big patch from Jesper Juhl. Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/nxt200x.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c index d1b9f8b9b43..97ee8017dac 100644 --- a/drivers/media/dvb/frontends/nxt200x.c +++ b/drivers/media/dvb/frontends/nxt200x.c @@ -1159,8 +1159,7 @@ struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config, return &state->frontend; error: - if (state) - kfree(state); + kfree(state); printk("Unknown/Unsupported NXT chip: %02X %02X %02X %02X %02X\n", buf[0], buf[1], buf[2], buf[3], buf[4]); return NULL; -- cgit v1.2.3 From f0fa86a574843264bdcbed4c84b41a2778861fde Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Tue, 8 Nov 2005 21:35:49 -0800 Subject: [PATCH] dvb: determine tuner write method based on nxt chip - Add support for AVerTVHD MCE a180. - Instead of determining how to write to the tuner based on which NIM is being used, make this determination based on whether the chip is a NXT2002 or NXT2004. - If NXT2004, write directly to tuner. If NXT2002, write through NXT chip. Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/nxt200x.c | 82 +++++++++++++++++++---------------- 1 file changed, 44 insertions(+), 38 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c index 97ee8017dac..aee170805ca 100644 --- a/drivers/media/dvb/frontends/nxt200x.c +++ b/drivers/media/dvb/frontends/nxt200x.c @@ -342,50 +342,56 @@ static int nxt200x_writetuner (struct nxt200x_state* state, u8* data) dprintk("Tuner Bytes: %02X %02X %02X %02X\n", data[0], data[1], data[2], data[3]); - /* if pll is a Philips TUV1236D then write directly to tuner */ - if (strcmp(state->config->pll_desc->name, "Philips TUV1236D") == 0) { - if (i2c_writebytes(state, state->config->pll_address, data, 4)) - printk(KERN_WARNING "nxt200x: error writing to tuner\n"); - /* wait until we have a lock */ - while (count < 20) { - i2c_readbytes(state, state->config->pll_address, &buf, 1); - if (buf & 0x40) - return 0; - msleep(100); - count++; - } - printk("nxt200x: timeout waiting for tuner lock\n"); - return 0; - } else { - /* set the i2c transfer speed to the tuner */ - buf = 0x03; - nxt200x_writebytes(state, 0x20, &buf, 1); + /* if NXT2004, write directly to tuner. if NXT2002, write through NXT chip. + * direct write is required for Philips TUV1236D and ALPS TDHU2 */ + switch (state->demod_chip) { + case NXT2004: + if (i2c_writebytes(state, state->config->pll_address, data, 4)) + printk(KERN_WARNING "nxt200x: error writing to tuner\n"); + /* wait until we have a lock */ + while (count < 20) { + i2c_readbytes(state, state->config->pll_address, &buf, 1); + if (buf & 0x40) + return 0; + msleep(100); + count++; + } + printk("nxt2004: timeout waiting for tuner lock\n"); + break; + case NXT2002: + /* set the i2c transfer speed to the tuner */ + buf = 0x03; + nxt200x_writebytes(state, 0x20, &buf, 1); - /* setup to transfer 4 bytes via i2c */ - buf = 0x04; - nxt200x_writebytes(state, 0x34, &buf, 1); + /* setup to transfer 4 bytes via i2c */ + buf = 0x04; + nxt200x_writebytes(state, 0x34, &buf, 1); - /* write actual tuner bytes */ - nxt200x_writebytes(state, 0x36, data, 4); + /* write actual tuner bytes */ + nxt200x_writebytes(state, 0x36, data, 4); - /* set tuner i2c address */ - buf = state->config->pll_address; - nxt200x_writebytes(state, 0x35, &buf, 1); + /* set tuner i2c address */ + buf = state->config->pll_address; + nxt200x_writebytes(state, 0x35, &buf, 1); - /* write UC Opmode to begin transfer */ - buf = 0x80; - nxt200x_writebytes(state, 0x21, &buf, 1); + /* write UC Opmode to begin transfer */ + buf = 0x80; + nxt200x_writebytes(state, 0x21, &buf, 1); - while (count < 20) { - nxt200x_readbytes(state, 0x21, &buf, 1); - if ((buf & 0x80)== 0x00) - return 0; - msleep(100); - count++; - } - printk("nxt200x: timeout error writing tuner\n"); - return 0; + while (count < 20) { + nxt200x_readbytes(state, 0x21, &buf, 1); + if ((buf & 0x80)== 0x00) + return 0; + msleep(100); + count++; + } + printk("nxt2002: timeout error writing tuner\n"); + break; + default: + return -EINVAL; + break; } + return 0; } static void nxt200x_agc_reset(struct nxt200x_state* state) -- cgit v1.2.3 From f93cf038d5930810e7e280e70de6e0c07ad959da Mon Sep 17 00:00:00 2001 From: Kirk Lapray Date: Tue, 8 Nov 2005 21:35:51 -0800 Subject: [PATCH] dvb: Remove status check from nxt200x_readreg_multibyte Remove status check from nxt200x_readreg_multibyte, it really shouldn't be necessary. Signed-off-by: Kirk Lapray Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/nxt200x.c | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c index aee170805ca..4cffe7ad971 100644 --- a/drivers/media/dvb/frontends/nxt200x.c +++ b/drivers/media/dvb/frontends/nxt200x.c @@ -239,26 +239,16 @@ static int nxt200x_readreg_multibyte (struct nxt200x_state* state, u8 reg, u8* d buf = 0x80; nxt200x_writebytes(state, 0x21, &buf, 1); - /* read status */ - nxt200x_readbytes(state, 0x21, &buf, 1); - - if (buf == 0) - { - /* read the actual data */ - for(i = 0; i < len; i++) { - nxt200x_readbytes(state, 0x36 + i, &data[i], 1); - } - return 0; + /* read the actual data */ + for(i = 0; i < len; i++) { + nxt200x_readbytes(state, 0x36 + i, &data[i], 1); } + return 0; break; default: return -EINVAL; break; } - - printk(KERN_WARNING "nxt200x: Error reading multireg register 0x%02X\n",reg); - - return 0; } static void nxt200x_microcontroller_stop (struct nxt200x_state* state) -- cgit v1.2.3 From 66944e998a7e1164895e9bd7cae9f841a9f46ef5 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Tue, 8 Nov 2005 21:35:55 -0800 Subject: [PATCH] dvb: lgdt330x: Correct QAM symbol_rate_min for lgdt3302 and lgdt3303 Correct QAM symbol_rate_min for lgdt3302 and lgdt3303 Thanks to: Mac Michaels and Steve Malenfant Signed-off-by: Mac Michaels Signed-off-by: Michael Krufky Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/lgdt330x.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c index 10fc4e7878a..6a33f5a19a8 100644 --- a/drivers/media/dvb/frontends/lgdt330x.c +++ b/drivers/media/dvb/frontends/lgdt330x.c @@ -755,9 +755,8 @@ static struct dvb_frontend_ops lgdt3302_ops = { .frequency_min= 54000000, .frequency_max= 858000000, .frequency_stepsize= 62500, - /* Symbol rate is for all VSB modes need to check QAM */ - .symbol_rate_min = 10762000, - .symbol_rate_max = 10762000, + .symbol_rate_min = 5056941, /* QAM 64 */ + .symbol_rate_max = 10762000, /* VSB 8 */ .caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB }, .init = lgdt330x_init, @@ -779,9 +778,8 @@ static struct dvb_frontend_ops lgdt3303_ops = { .frequency_min= 54000000, .frequency_max= 858000000, .frequency_stepsize= 62500, - /* Symbol rate is for all VSB modes need to check QAM */ - .symbol_rate_min = 10762000, - .symbol_rate_max = 10762000, + .symbol_rate_min = 5056941, /* QAM 64 */ + .symbol_rate_max = 10762000, /* VSB 8 */ .caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB }, .init = lgdt330x_init, -- cgit v1.2.3 From 496157d089c3caeda35017833ea3bb895f29ed15 Mon Sep 17 00:00:00 2001 From: Kirk Lapray Date: Tue, 8 Nov 2005 21:35:55 -0800 Subject: [PATCH] dvb: nxt200x: Fix typo in Makefile for nxt200x - Fix Typo: Change CONFIG_DVB_NXT2002 to CONFIG_DVB_NXT200X for the nxt200x module. Signed-off-by: Kirk Lapray Signed-off-by: Michael Krufky Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 1692ee65ba5..a98760fe08a 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -26,7 +26,7 @@ obj-$(CONFIG_DVB_TDA80XX) += tda80xx.o obj-$(CONFIG_DVB_TDA10021) += tda10021.o obj-$(CONFIG_DVB_STV0297) += stv0297.o obj-$(CONFIG_DVB_NXT2002) += nxt2002.o -obj-$(CONFIG_DVB_NXT2002) += nxt200x.o +obj-$(CONFIG_DVB_NXT200X) += nxt200x.o obj-$(CONFIG_DVB_OR51211) += or51211.o obj-$(CONFIG_DVB_OR51132) += or51132.o obj-$(CONFIG_DVB_BCM3510) += bcm3510.o -- cgit v1.2.3 From cc952d03c0c36ec9a4c2a683015dbb98e8a889df Mon Sep 17 00:00:00 2001 From: Kirk Lapray Date: Tue, 8 Nov 2005 21:36:02 -0800 Subject: [PATCH] dvb: nxt200x: Add function for nxt200x to change pll input - Added function for nxt200x to change pll input - For VSB set to input 0, for QAM set to input 1 - will only be set for cards that have set_pll_input defined Signed-off-by: Kirk Lapray Signed-off-by: Michael Krufky Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/nxt200x.c | 9 +++++++-- drivers/media/dvb/frontends/nxt200x.h | 3 +++ 2 files changed, 10 insertions(+), 2 deletions(-) (limited to 'drivers/media/dvb/frontends') diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c index 4cffe7ad971..bad0933eb71 100644 --- a/drivers/media/dvb/frontends/nxt200x.c +++ b/drivers/media/dvb/frontends/nxt200x.c @@ -556,13 +556,18 @@ static int nxt200x_setup_frontend_parameters (struct dvb_frontend* fe, if (state->config->set_ts_params) state->config->set_ts_params(fe, 1); - /* set to use cable input */ - buf[3] |= 0x08; + /* set input */ + if (state->config->set_pll_input) + state->config->set_pll_input(buf, 1); break; case VSB_8: /* Set non-punctured clock for VSB */ if (state->config->set_ts_params) state->config->set_ts_params(fe, 0); + + /* set input */ + if (state->config->set_pll_input) + state->config->set_pll_input(buf, 0); break; default: return -EINVAL; diff --git a/drivers/media/dvb/frontends/nxt200x.h b/drivers/media/dvb/frontends/nxt200x.h index 8dc3f03ecdf..1d9d70bc37e 100644 --- a/drivers/media/dvb/frontends/nxt200x.h +++ b/drivers/media/dvb/frontends/nxt200x.h @@ -42,6 +42,9 @@ struct nxt200x_config u8 pll_address; struct dvb_pll_desc *pll_desc; + /* used to set pll input */ + int (*set_pll_input)(u8* buf, int input); + /* need to set device param for start_dma */ int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); }; -- cgit v1.2.3