X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fmt20xx.c;h=b630c26cfe856b9b45ead161d34ee013fddbeadc;hb=b7e23d913aafc93fc5f119e1be17620073cc3811;hp=c7c9f3f8715cbd62b96491c2965baef70520b763;hpb=10379a25fee8ddc8698d2f6c54ccedd4664c2941;p=linux-2.6-omap-h63xx.git diff --git a/drivers/media/video/mt20xx.c b/drivers/media/video/mt20xx.c index c7c9f3f8715..b630c26cfe8 100644 --- a/drivers/media/video/mt20xx.c +++ b/drivers/media/video/mt20xx.c @@ -1,13 +1,20 @@ /* - * * i2c tv tuner chip device driver * controls microtune tuners, mt2032 + mt2050 at the moment. + * + * This "mt20xx" module was split apart from the original "tuner" module. */ #include #include #include -#include -#include +#include "tuner-i2c.h" +#include "mt20xx.h" + +static int debug = 0; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable verbose debug messages"); + +#define PREFIX "mt20xx" /* ---------------------------------------------------------------------- */ @@ -20,9 +27,6 @@ module_param(tv_antenna, int, 0644); static unsigned int radio_antenna = 0; module_param(radio_antenna, int, 0644); -/* from tuner-core.c */ -extern int tuner_debug; - /* ---------------------------------------------------------------------- */ #define MT2032 0x04 @@ -37,11 +41,35 @@ static char *microtune_part[] = { [ MT2050 ] = "MT2050", }; +struct microtune_priv { + struct tuner_i2c_props i2c_props; + + unsigned int xogc; + //unsigned int radio_if2; + + u32 frequency; +}; + +static int microtune_release(struct dvb_frontend *fe) +{ + kfree(fe->tuner_priv); + fe->tuner_priv = NULL; + + return 0; +} + +static int microtune_get_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct microtune_priv *priv = fe->tuner_priv; + *frequency = priv->frequency; + return 0; +} + // IsSpurInBand()? -static int mt2032_spurcheck(struct i2c_client *c, +static int mt2032_spurcheck(struct dvb_frontend *fe, int f1, int f2, int spectrum_from,int spectrum_to) { - struct tuner *t = i2c_get_clientdata(c); + struct microtune_priv *priv = fe->tuner_priv; int n1=1,n2,f; f1=f1/1000; //scale to kHz to avoid 32bit overflows @@ -69,7 +97,7 @@ static int mt2032_spurcheck(struct i2c_client *c, return 1; } -static int mt2032_compute_freq(struct i2c_client *c, +static int mt2032_compute_freq(struct dvb_frontend *fe, unsigned int rfin, unsigned int if1, unsigned int if2, unsigned int spectrum_from, @@ -78,7 +106,7 @@ static int mt2032_compute_freq(struct i2c_client *c, int *ret_sel, unsigned int xogc) //all in Hz { - struct tuner *t = i2c_get_clientdata(c); + struct microtune_priv *priv = fe->tuner_priv; unsigned int fref,lo1,lo1n,lo1a,s,sel,lo1freq, desired_lo1, desired_lo2,lo2,lo2n,lo2a,lo2num,lo2freq; @@ -128,7 +156,7 @@ static int mt2032_compute_freq(struct i2c_client *c, return(-1); } - mt2032_spurcheck(c, lo1freq, desired_lo2, spectrum_from, spectrum_to); + mt2032_spurcheck(fe, lo1freq, desired_lo2, spectrum_from, spectrum_to); // should recalculate lo1 (one step up/down) // set up MT2032 register map for transfer over i2c @@ -152,16 +180,16 @@ static int mt2032_compute_freq(struct i2c_client *c, return 0; } -static int mt2032_check_lo_lock(struct i2c_client *c) +static int mt2032_check_lo_lock(struct dvb_frontend *fe) { - struct tuner *t = i2c_get_clientdata(c); + struct microtune_priv *priv = fe->tuner_priv; int try,lock=0; unsigned char buf[2]; for(try=0;try<10;try++) { buf[0]=0x0e; - i2c_master_send(c,buf,1); - i2c_master_recv(c,buf,1); + tuner_i2c_xfer_send(&priv->i2c_props,buf,1); + tuner_i2c_xfer_recv(&priv->i2c_props,buf,1); tuner_dbg("mt2032 Reg.E=0x%02x\n",buf[0]); lock=buf[0] &0x06; @@ -174,15 +202,15 @@ static int mt2032_check_lo_lock(struct i2c_client *c) return lock; } -static int mt2032_optimize_vco(struct i2c_client *c,int sel,int lock) +static int mt2032_optimize_vco(struct dvb_frontend *fe,int sel,int lock) { - struct tuner *t = i2c_get_clientdata(c); + struct microtune_priv *priv = fe->tuner_priv; unsigned char buf[2]; int tad1; buf[0]=0x0f; - i2c_master_send(c,buf,1); - i2c_master_recv(c,buf,1); + tuner_i2c_xfer_send(&priv->i2c_props,buf,1); + tuner_i2c_xfer_recv(&priv->i2c_props,buf,1); tuner_dbg("mt2032 Reg.F=0x%02x\n",buf[0]); tad1=buf[0]&0x07; @@ -205,57 +233,57 @@ static int mt2032_optimize_vco(struct i2c_client *c,int sel,int lock) buf[0]=0x0f; buf[1]=sel; - i2c_master_send(c,buf,2); - lock=mt2032_check_lo_lock(c); + tuner_i2c_xfer_send(&priv->i2c_props,buf,2); + lock=mt2032_check_lo_lock(fe); return lock; } -static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin, +static void mt2032_set_if_freq(struct dvb_frontend *fe, unsigned int rfin, unsigned int if1, unsigned int if2, unsigned int from, unsigned int to) { unsigned char buf[21]; int lint_try,ret,sel,lock=0; - struct tuner *t = i2c_get_clientdata(c); + struct microtune_priv *priv = fe->tuner_priv; tuner_dbg("mt2032_set_if_freq rfin=%d if1=%d if2=%d from=%d to=%d\n", rfin,if1,if2,from,to); buf[0]=0; - ret=i2c_master_send(c,buf,1); - i2c_master_recv(c,buf,21); + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,1); + tuner_i2c_xfer_recv(&priv->i2c_props,buf,21); buf[0]=0; - ret=mt2032_compute_freq(c,rfin,if1,if2,from,to,&buf[1],&sel,t->xogc); + ret=mt2032_compute_freq(fe,rfin,if1,if2,from,to,&buf[1],&sel,priv->xogc); if (ret<0) return; // send only the relevant registers per Rev. 1.2 buf[0]=0; - ret=i2c_master_send(c,buf,4); + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,4); buf[5]=5; - ret=i2c_master_send(c,buf+5,4); + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf+5,4); buf[11]=11; - ret=i2c_master_send(c,buf+11,3); + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf+11,3); if(ret!=3) tuner_warn("i2c i/o error: rc == %d (should be 3)\n",ret); // wait for PLLs to lock (per manual), retry LINT if not. for(lint_try=0; lint_try<2; lint_try++) { - lock=mt2032_check_lo_lock(c); + lock=mt2032_check_lo_lock(fe); if(optimize_vco) - lock=mt2032_optimize_vco(c,sel,lock); + lock=mt2032_optimize_vco(fe,sel,lock); if(lock==6) break; tuner_dbg("mt2032: re-init PLLs by LINT\n"); buf[0]=7; - buf[1]=0x80 +8+t->xogc; // set LINT to re-init PLLs - i2c_master_send(c,buf,2); + buf[1]=0x80 +8+priv->xogc; // set LINT to re-init PLLs + tuner_i2c_xfer_send(&priv->i2c_props,buf,2); mdelay(10); - buf[1]=8+t->xogc; - i2c_master_send(c,buf,2); + buf[1]=8+priv->xogc; + tuner_i2c_xfer_send(&priv->i2c_props,buf,2); } if (lock!=6) @@ -263,19 +291,19 @@ static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin, buf[0]=2; buf[1]=0x20; // LOGC for optimal phase noise - ret=i2c_master_send(c,buf,2); + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,2); if (ret!=2) tuner_warn("i2c i/o error: rc == %d (should be 2)\n",ret); } -static void mt2032_set_tv_freq(struct i2c_client *c, unsigned int freq) +static int mt2032_set_tv_freq(struct dvb_frontend *fe, + struct analog_parameters *params) { - struct tuner *t = i2c_get_clientdata(c); int if2,from,to; // signal bandwidth and picture carrier - if (t->std & V4L2_STD_525_60) { + if (params->std & V4L2_STD_525_60) { // NTSC from = 40750*1000; to = 46750*1000; @@ -287,24 +315,64 @@ static void mt2032_set_tv_freq(struct i2c_client *c, unsigned int freq) if2 = 38900*1000; } - mt2032_set_if_freq(c, freq*62500 /* freq*1000*1000/16 */, + mt2032_set_if_freq(fe, params->frequency*62500, 1090*1000*1000, if2, from, to); + + return 0; } -static void mt2032_set_radio_freq(struct i2c_client *c, unsigned int freq) +static int mt2032_set_radio_freq(struct dvb_frontend *fe, + struct analog_parameters *params) { - struct tuner *t = i2c_get_clientdata(c); - int if2 = t->radio_if2; + struct microtune_priv *priv = fe->tuner_priv; + int if2; + + if (params->std & V4L2_STD_525_60) { + tuner_dbg("pinnacle ntsc\n"); + if2 = 41300 * 1000; + } else { + tuner_dbg("pinnacle pal\n"); + if2 = 33300 * 1000; + } // per Manual for FM tuning: first if center freq. 1085 MHz - mt2032_set_if_freq(c, freq * 1000 / 16, - 1085*1000*1000,if2,if2,if2); + mt2032_set_if_freq(fe, params->frequency * 125 / 2, + 1085*1000*1000,if2,if2,if2); + + return 0; +} + +static int mt2032_set_params(struct dvb_frontend *fe, + struct analog_parameters *params) +{ + struct microtune_priv *priv = fe->tuner_priv; + int ret = -EINVAL; + + switch (params->mode) { + case V4L2_TUNER_RADIO: + ret = mt2032_set_radio_freq(fe, params); + priv->frequency = params->frequency * 125 / 2; + break; + case V4L2_TUNER_ANALOG_TV: + case V4L2_TUNER_DIGITAL_TV: + ret = mt2032_set_tv_freq(fe, params); + priv->frequency = params->frequency * 62500; + break; + } + + return ret; } +static struct dvb_tuner_ops mt2032_tuner_ops = { + .set_analog_params = mt2032_set_params, + .release = microtune_release, + .get_frequency = microtune_get_frequency, +}; + // Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001 -static int mt2032_init(struct i2c_client *c) +static int mt2032_init(struct dvb_frontend *fe) { - struct tuner *t = i2c_get_clientdata(c); + struct microtune_priv *priv = fe->tuner_priv; unsigned char buf[21]; int ret,xogc,xok=0; @@ -313,7 +381,7 @@ static int mt2032_init(struct i2c_client *c) buf[2]=0xff; buf[3]=0x0f; buf[4]=0x1f; - ret=i2c_master_send(c,buf+1,4); + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf+1,4); buf[5]=6; // Index register 6 buf[6]=0xe4; @@ -321,11 +389,11 @@ static int mt2032_init(struct i2c_client *c) buf[8]=0xc3; buf[9]=0x4e; buf[10]=0xec; - ret=i2c_master_send(c,buf+5,6); + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf+5,6); buf[12]=13; // Index register 13 buf[13]=0x32; - ret=i2c_master_send(c,buf+12,2); + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf+12,2); // Adjust XOGC (register 7), wait for XOK xogc=7; @@ -333,8 +401,8 @@ static int mt2032_init(struct i2c_client *c) tuner_dbg("mt2032: xogc = 0x%02x\n",xogc&0x07); mdelay(10); buf[0]=0x0e; - i2c_master_send(c,buf,1); - i2c_master_recv(c,buf,1); + tuner_i2c_xfer_send(&priv->i2c_props,buf,1); + tuner_i2c_xfer_recv(&priv->i2c_props,buf,1); xok=buf[0]&0x01; tuner_dbg("mt2032: xok = 0x%02x\n",xok); if (xok == 1) break; @@ -347,32 +415,32 @@ static int mt2032_init(struct i2c_client *c) } buf[0]=0x07; buf[1]=0x88 + xogc; - ret=i2c_master_send(c,buf,2); + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,2); if (ret!=2) tuner_warn("i2c i/o error: rc == %d (should be 2)\n",ret); } while (xok != 1 ); - t->xogc=xogc; + priv->xogc=xogc; + + memcpy(&fe->ops.tuner_ops, &mt2032_tuner_ops, sizeof(struct dvb_tuner_ops)); - t->set_tv_freq = mt2032_set_tv_freq; - t->set_radio_freq = mt2032_set_radio_freq; return(1); } -static void mt2050_set_antenna(struct i2c_client *c, unsigned char antenna) +static void mt2050_set_antenna(struct dvb_frontend *fe, unsigned char antenna) { - struct tuner *t = i2c_get_clientdata(c); - unsigned char buf[2]; - int ret; - - buf[0] = 6; - buf[1] = antenna ? 0x11 : 0x10; - ret=i2c_master_send(c,buf,2); - tuner_dbg("mt2050: enabled antenna connector %d\n", antenna); + struct microtune_priv *priv = fe->tuner_priv; + unsigned char buf[2]; + int ret; + + buf[0] = 6; + buf[1] = antenna ? 0x11 : 0x10; + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,2); + tuner_dbg("mt2050: enabled antenna connector %d\n", antenna); } -static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned int if2) +static void mt2050_set_if_freq(struct dvb_frontend *fe,unsigned int freq, unsigned int if2) { - struct tuner *t = i2c_get_clientdata(c); + struct microtune_priv *priv = fe->tuner_priv; unsigned int if1=1218*1000*1000; unsigned int f_lo1,f_lo2,lo1,lo2,f_lo1_modulo,f_lo2_modulo,num1,num2,div1a,div1b,div2a,div2b; int ret; @@ -404,7 +472,7 @@ static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned div2a=(lo2/8)-1; div2b=lo2-(div2a+1)*8; - if (tuner_debug > 1) { + if (debug > 1) { tuner_dbg("lo1 lo2 = %d %d\n", lo1, lo2); tuner_dbg("num1 num2 div1a div1b div2a div2b= %x %x %x %x %x %x\n", num1,num2,div1a,div1b,div2a,div2b); @@ -420,7 +488,7 @@ static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned buf[5]=div2a; if(num2!=0) buf[5]=buf[5]|0x40; - if (tuner_debug > 1) { + if (debug > 1) { int i; tuner_dbg("bufs is: "); for(i=0;i<6;i++) @@ -428,87 +496,131 @@ static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned printk("\n"); } - ret=i2c_master_send(c,buf,6); + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,6); if (ret!=6) tuner_warn("i2c i/o error: rc == %d (should be 6)\n",ret); } -static void mt2050_set_tv_freq(struct i2c_client *c, unsigned int freq) +static int mt2050_set_tv_freq(struct dvb_frontend *fe, + struct analog_parameters *params) { - struct tuner *t = i2c_get_clientdata(c); unsigned int if2; - if (t->std & V4L2_STD_525_60) { + if (params->std & V4L2_STD_525_60) { // NTSC if2 = 45750*1000; } else { // PAL if2 = 38900*1000; } - if (V4L2_TUNER_DIGITAL_TV == t->mode) { + if (V4L2_TUNER_DIGITAL_TV == params->mode) { // DVB (pinnacle 300i) if2 = 36150*1000; } - mt2050_set_if_freq(c, freq*62500, if2); - mt2050_set_antenna(c, tv_antenna); + mt2050_set_if_freq(fe, params->frequency*62500, if2); + mt2050_set_antenna(fe, tv_antenna); + + return 0; +} + +static int mt2050_set_radio_freq(struct dvb_frontend *fe, + struct analog_parameters *params) +{ + struct microtune_priv *priv = fe->tuner_priv; + int if2; + + if (params->std & V4L2_STD_525_60) { + tuner_dbg("pinnacle ntsc\n"); + if2 = 41300 * 1000; + } else { + tuner_dbg("pinnacle pal\n"); + if2 = 33300 * 1000; + } + + mt2050_set_if_freq(fe, params->frequency * 125 / 2, if2); + mt2050_set_antenna(fe, radio_antenna); + + return 0; } -static void mt2050_set_radio_freq(struct i2c_client *c, unsigned int freq) +static int mt2050_set_params(struct dvb_frontend *fe, + struct analog_parameters *params) { - struct tuner *t = i2c_get_clientdata(c); - int if2 = t->radio_if2; + struct microtune_priv *priv = fe->tuner_priv; + int ret = -EINVAL; + + switch (params->mode) { + case V4L2_TUNER_RADIO: + ret = mt2050_set_radio_freq(fe, params); + priv->frequency = params->frequency * 125 / 2; + break; + case V4L2_TUNER_ANALOG_TV: + case V4L2_TUNER_DIGITAL_TV: + ret = mt2050_set_tv_freq(fe, params); + priv->frequency = params->frequency * 62500; + break; + } - mt2050_set_if_freq(c, freq * 1000 / 16, if2); - mt2050_set_antenna(c, radio_antenna); + return ret; } -static int mt2050_init(struct i2c_client *c) +static struct dvb_tuner_ops mt2050_tuner_ops = { + .set_analog_params = mt2050_set_params, + .release = microtune_release, + .get_frequency = microtune_get_frequency, +}; + +static int mt2050_init(struct dvb_frontend *fe) { - struct tuner *t = i2c_get_clientdata(c); + struct microtune_priv *priv = fe->tuner_priv; unsigned char buf[2]; int ret; buf[0]=6; buf[1]=0x10; - ret=i2c_master_send(c,buf,2); // power + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,2); // power buf[0]=0x0f; buf[1]=0x0f; - ret=i2c_master_send(c,buf,2); // m1lo + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,2); // m1lo buf[0]=0x0d; - ret=i2c_master_send(c,buf,1); - i2c_master_recv(c,buf,1); + ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,1); + tuner_i2c_xfer_recv(&priv->i2c_props,buf,1); tuner_dbg("mt2050: sro is %x\n",buf[0]); - t->set_tv_freq = mt2050_set_tv_freq; - t->set_radio_freq = mt2050_set_radio_freq; + + memcpy(&fe->ops.tuner_ops, &mt2050_tuner_ops, sizeof(struct dvb_tuner_ops)); + return 0; } -int microtune_init(struct i2c_client *c) +struct dvb_frontend *microtune_attach(struct dvb_frontend *fe, + struct i2c_adapter* i2c_adap, + u8 i2c_addr) { - struct tuner *t = i2c_get_clientdata(c); + struct microtune_priv *priv = NULL; char *name; unsigned char buf[21]; int company_code; + priv = kzalloc(sizeof(struct microtune_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; + fe->tuner_priv = priv; + + priv->i2c_props.addr = i2c_addr; + priv->i2c_props.adap = i2c_adap; + + //priv->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */ + memset(buf,0,sizeof(buf)); - t->set_tv_freq = NULL; - t->set_radio_freq = NULL; - t->standby = NULL; - if (t->std & V4L2_STD_525_60) { - tuner_dbg("pinnacle ntsc\n"); - t->radio_if2 = 41300 * 1000; - } else { - tuner_dbg("pinnacle pal\n"); - t->radio_if2 = 33300 * 1000; - } + name = "unknown"; - i2c_master_send(c,buf,1); - i2c_master_recv(c,buf,21); - if (tuner_debug) { + tuner_i2c_xfer_send(&priv->i2c_props,buf,1); + tuner_i2c_xfer_recv(&priv->i2c_props,buf,21); + if (debug) { int i; tuner_dbg("MT20xx hexdump:"); for(i=0;i<21;i++) { @@ -527,10 +639,10 @@ int microtune_init(struct i2c_client *c) name = microtune_part[buf[0x13]]; switch (buf[0x13]) { case MT2032: - mt2032_init(c); + mt2032_init(fe); break; case MT2050: - mt2050_init(c); + mt2050_init(fe); break; default: tuner_info("microtune %s found, not (yet?) supported, sorry :-/\n", @@ -538,11 +650,18 @@ int microtune_init(struct i2c_client *c) return 0; } - strlcpy(c->name, name, sizeof(c->name)); + strlcpy(fe->ops.tuner_ops.info.name, name, + sizeof(fe->ops.tuner_ops.info.name)); tuner_info("microtune %s found, OK\n",name); - return 0; + return fe; } +EXPORT_SYMBOL_GPL(microtune_attach); + +MODULE_DESCRIPTION("Microtune tuner driver"); +MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); +MODULE_LICENSE("GPL"); + /* * Overrides for Emacs so that we follow Linus's tabbing style. * ---------------------------------------------------------------------------