From 4adad287de82703fd504fdab7aebe760196bb786 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Mon, 27 Aug 2007 21:59:08 -0300 Subject: [PATCH] V4L/DVB (6133): tuner-simple: convert from tuner sub-driver into dvb_frontend module Signed-off-by: Michael Krufky Acked-by: Hans Verkuil Acked-by: Mike Isely Acked-by: Steven Toth Acked-by: Patrick Boettcher Acked-by: Jarod Wilson Acked-by: Trent Piepho Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/tuner-core.c | 17 +- drivers/media/video/tuner-driver.h | 2 - drivers/media/video/tuner-simple.c | 294 ++++++++++++++++++----------- drivers/media/video/tuner-simple.h | 35 ++++ 4 files changed, 236 insertions(+), 112 deletions(-) create mode 100644 drivers/media/video/tuner-simple.h diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index 9598a3da85f4..8ee0be261076 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -17,12 +17,14 @@ #include #include #include +#include #include #include "tuner-driver.h" #include "mt20xx.h" #include "tda8290.h" #include "tea5761.h" #include "tea5767.h" +#include "tuner-simple.h" #define UNSET (-1U) @@ -213,6 +215,15 @@ static void attach_tda8290(struct tuner *t) tda8290_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg); } +static void attach_simple_tuner(struct tuner *t) +{ + struct simple_tuner_config cfg = { + .type = t->type, + .tun = &tuners[t->type] + }; + simple_tuner_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg); +} + static void set_type(struct i2c_client *c, unsigned int type, unsigned int new_mode_mask, unsigned int new_config, int (*tuner_callback) (void *dev, int command,int arg)) @@ -290,7 +301,7 @@ static void set_type(struct i2c_client *c, unsigned int type, buffer[2] = 0x86; buffer[3] = 0x54; i2c_master_send(c, buffer, 4); - default_tuner_init(t); + attach_simple_tuner(t); break; case TUNER_PHILIPS_TD1316: buffer[0] = 0x0b; @@ -298,13 +309,13 @@ static void set_type(struct i2c_client *c, unsigned int type, buffer[2] = 0x86; buffer[3] = 0xa4; i2c_master_send(c,buffer,4); - default_tuner_init(t); + attach_simple_tuner(t); break; case TUNER_TDA9887: tda9887_tuner_init(t); break; default: - default_tuner_init(t); + attach_simple_tuner(t); break; } diff --git a/drivers/media/video/tuner-driver.h b/drivers/media/video/tuner-driver.h index 664f3467ee4f..28a10da76d12 100644 --- a/drivers/media/video/tuner-driver.h +++ b/drivers/media/video/tuner-driver.h @@ -72,8 +72,6 @@ struct tuner { /* ------------------------------------------------------------------------ */ -extern int default_tuner_init(struct tuner *t); - extern int tda9887_tuner_init(struct tuner *t); /* ------------------------------------------------------------------------ */ diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c index eca2ff249a36..2dbd91c8cb64 100644 --- a/drivers/media/video/tuner-simple.c +++ b/drivers/media/video/tuner-simple.c @@ -1,7 +1,8 @@ /* - * * i2c tv tuner chip device driver * controls all those simple 4-control-bytes style tuners. + * + * This "tuner-simple" module was split apart from the original "tuner" module. */ #include #include @@ -9,7 +10,14 @@ #include #include #include -#include "tuner-driver.h" +#include "tuner-i2c.h" +#include "tuner-simple.h" + +static int debug = 0; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable verbose debug messages"); + +#define PREFIX "tuner-simple " static int offset = 0; module_param(offset, int, 0664); @@ -85,13 +93,18 @@ MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner"); struct tuner_simple_priv { u16 last_div; struct tuner_i2c_props i2c_props; + + unsigned int type; + struct tunertype *tun; + + u32 frequency; }; /* ---------------------------------------------------------------------- */ -static int tuner_getstatus(struct tuner *t) +static int tuner_getstatus(struct dvb_frontend *fe) { - struct tuner_simple_priv *priv = t->priv; + struct tuner_simple_priv *priv = fe->tuner_priv; unsigned char byte; if (1 != tuner_i2c_xfer_recv(&priv->i2c_props,&byte,1)) @@ -100,18 +113,20 @@ static int tuner_getstatus(struct tuner *t) return byte; } -static int tuner_signal(struct tuner *t) +static int tuner_signal(struct dvb_frontend *fe) { - return (tuner_getstatus(t) & TUNER_SIGNAL) << 13; + return (tuner_getstatus(fe) & TUNER_SIGNAL) << 13; } -static int tuner_stereo(struct tuner *t) +static int tuner_stereo(struct dvb_frontend *fe) { + struct tuner_simple_priv *priv = fe->tuner_priv; + int stereo, status; - status = tuner_getstatus(t); + status = tuner_getstatus(fe); - switch (t->type) { + switch (priv->type) { case TUNER_PHILIPS_FM1216ME_MK3: case TUNER_PHILIPS_FM1236_MK3: case TUNER_PHILIPS_FM1256_IH3: @@ -126,20 +141,38 @@ static int tuner_stereo(struct tuner *t) } +static int simple_get_status(struct dvb_frontend *fe, u32 *status) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + int signal = tuner_signal(fe); + + *status = 0; + + if (signal) + *status = TUNER_STATUS_LOCKED; + if (tuner_stereo(fe)) + *status |= TUNER_STATUS_STEREO; + + tuner_dbg("tuner-simple: Signal strength: %d\n", signal); + + return 0; +} + /* ---------------------------------------------------------------------- */ -static void default_set_tv_freq(struct tuner *t, unsigned int freq) +static int simple_set_tv_freq(struct dvb_frontend *fe, + struct analog_parameters *params) { - struct tuner_simple_priv *priv = t->priv; + struct tuner_simple_priv *priv = fe->tuner_priv; u8 config, cb, tuneraddr; u16 div; struct tunertype *tun; u8 buffer[4]; int rc, IFPCoff, i, j; enum param_type desired_type; - struct tuner_params *params; + struct tuner_params *t_params; - tun = &tuners[t->type]; + tun = priv->tun; /* IFPCoff = Video Intermediate Frequency - Vif: 940 =16*58.75 NTSC/J (Japan) @@ -153,14 +186,14 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq) 171.2=16*10.70 FM Radio (at set_radio_freq) */ - if (t->std == V4L2_STD_NTSC_M_JP) { + if (params->std == V4L2_STD_NTSC_M_JP) { IFPCoff = 940; desired_type = TUNER_PARAM_TYPE_NTSC; - } else if ((t->std & V4L2_STD_MN) && - !(t->std & ~V4L2_STD_MN)) { + } else if ((params->std & V4L2_STD_MN) && + !(params->std & ~V4L2_STD_MN)) { IFPCoff = 732; desired_type = TUNER_PARAM_TYPE_NTSC; - } else if (t->std == V4L2_STD_SECAM_LC) { + } else if (params->std == V4L2_STD_SECAM_LC) { IFPCoff = 543; desired_type = TUNER_PARAM_TYPE_SECAM; } else { @@ -173,49 +206,49 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq) continue; break; } - /* use default tuner_params if desired_type not available */ + /* use default tuner_t_params if desired_type not available */ if (desired_type != tun->params[j].type) { - tuner_dbg("IFPCoff = %d: tuner_params undefined for tuner %d\n", - IFPCoff,t->type); + tuner_dbg("IFPCoff = %d: tuner_t_params undefined for tuner %d\n", + IFPCoff, priv->type); j = 0; } - params = &tun->params[j]; + t_params = &tun->params[j]; - for (i = 0; i < params->count; i++) { - if (freq > params->ranges[i].limit) + for (i = 0; i < t_params->count; i++) { + if (params->frequency > t_params->ranges[i].limit) continue; break; } - if (i == params->count) { + if (i == t_params->count) { tuner_dbg("TV frequency out of range (%d > %d)", - freq, params->ranges[i - 1].limit); - freq = params->ranges[--i].limit; + params->frequency, t_params->ranges[i - 1].limit); + params->frequency = t_params->ranges[--i].limit; } - config = params->ranges[i].config; - cb = params->ranges[i].cb; + config = t_params->ranges[i].config; + cb = t_params->ranges[i].cb; /* i == 0 -> VHF_LO * i == 1 -> VHF_HI * i == 2 -> UHF */ tuner_dbg("tv: param %d, range %d\n",j,i); - div=freq + IFPCoff + offset; + div=params->frequency + IFPCoff + offset; tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n", - freq / 16, freq % 16 * 100 / 16, + params->frequency / 16, params->frequency % 16 * 100 / 16, IFPCoff / 16, IFPCoff % 16 * 100 / 16, offset / 16, offset % 16 * 100 / 16, div); /* tv norm specific stuff for multi-norm tuners */ - switch (t->type) { + switch (priv->type) { case TUNER_PHILIPS_SECAM: // FI1216MF /* 0x01 -> ??? no change ??? */ /* 0x02 -> PAL BDGHI / SECAM L */ /* 0x04 -> ??? PAL others / SECAM others ??? */ cb &= ~0x03; - if (t->std & V4L2_STD_SECAM_L) //also valid for V4L2_STD_SECAM + if (params->std & V4L2_STD_SECAM_L) //also valid for V4L2_STD_SECAM cb |= PHILIPS_MF_SET_STD_L; - else if (t->std & V4L2_STD_SECAM_LC) + else if (params->std & V4L2_STD_SECAM_LC) cb |= PHILIPS_MF_SET_STD_LC; else /* V4L2_STD_B|V4L2_STD_GH */ cb |= PHILIPS_MF_SET_STD_BG; @@ -224,16 +257,16 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq) case TUNER_TEMIC_4046FM5: cb &= ~0x0f; - if (t->std & V4L2_STD_PAL_BG) { + if (params->std & V4L2_STD_PAL_BG) { cb |= TEMIC_SET_PAL_BG; - } else if (t->std & V4L2_STD_PAL_I) { + } else if (params->std & V4L2_STD_PAL_I) { cb |= TEMIC_SET_PAL_I; - } else if (t->std & V4L2_STD_PAL_DK) { + } else if (params->std & V4L2_STD_PAL_DK) { cb |= TEMIC_SET_PAL_DK; - } else if (t->std & V4L2_STD_SECAM_L) { + } else if (params->std & V4L2_STD_SECAM_L) { cb |= TEMIC_SET_PAL_L; } @@ -242,13 +275,13 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq) case TUNER_PHILIPS_FQ1216ME: cb &= ~0x0f; - if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { + if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { cb |= PHILIPS_SET_PAL_BGDK; - } else if (t->std & V4L2_STD_PAL_I) { + } else if (params->std & V4L2_STD_PAL_I) { cb |= PHILIPS_SET_PAL_I; - } else if (t->std & V4L2_STD_SECAM_L) { + } else if (params->std & V4L2_STD_SECAM_L) { cb |= PHILIPS_SET_PAL_L; } @@ -260,7 +293,7 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq) /* 0x02 -> NTSC antenna input 1 */ /* 0x03 -> NTSC antenna input 2 */ cb &= ~0x03; - if (!(t->std & V4L2_STD_ATSC)) + if (!(params->std & V4L2_STD_ATSC)) cb |= 2; /* FIXME: input */ break; @@ -280,7 +313,7 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq) buffer[2] = 0x17; buffer[3] = 0x00; cb &= ~0x40; - if (t->std & V4L2_STD_ATSC) { + if (params->std & V4L2_STD_ATSC) { cb |= 0x40; buffer[1] = 0x04; } @@ -296,7 +329,7 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq) break; } - if (params->cb_first_if_lower_freq && div < priv->last_div) { + if (t_params->cb_first_if_lower_freq && div < priv->last_div) { buffer[0] = config; buffer[1] = cb; buffer[2] = (div>>8) & 0x7f; @@ -308,42 +341,42 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq) buffer[3] = cb; } priv->last_div = div; - if (params->has_tda9887) { + if (t_params->has_tda9887) { int config = 0; - int is_secam_l = (t->std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) && - !(t->std & ~(V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)); + int is_secam_l = (params->std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) && + !(params->std & ~(V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)); - if (t->std == V4L2_STD_SECAM_LC) { - if (params->port1_active ^ params->port1_invert_for_secam_lc) + if (params->std == V4L2_STD_SECAM_LC) { + if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc) config |= TDA9887_PORT1_ACTIVE; - if (params->port2_active ^ params->port2_invert_for_secam_lc) + if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc) config |= TDA9887_PORT2_ACTIVE; } else { - if (params->port1_active) + if (t_params->port1_active) config |= TDA9887_PORT1_ACTIVE; - if (params->port2_active) + if (t_params->port2_active) config |= TDA9887_PORT2_ACTIVE; } - if (params->intercarrier_mode) + if (t_params->intercarrier_mode) config |= TDA9887_INTERCARRIER; if (is_secam_l) { - if (i == 0 && params->default_top_secam_low) - config |= TDA9887_TOP(params->default_top_secam_low); - else if (i == 1 && params->default_top_secam_mid) - config |= TDA9887_TOP(params->default_top_secam_mid); - else if (params->default_top_secam_high) - config |= TDA9887_TOP(params->default_top_secam_high); + if (i == 0 && t_params->default_top_secam_low) + config |= TDA9887_TOP(t_params->default_top_secam_low); + else if (i == 1 && t_params->default_top_secam_mid) + config |= TDA9887_TOP(t_params->default_top_secam_mid); + else if (t_params->default_top_secam_high) + config |= TDA9887_TOP(t_params->default_top_secam_high); } else { - if (i == 0 && params->default_top_low) - config |= TDA9887_TOP(params->default_top_low); - else if (i == 1 && params->default_top_mid) - config |= TDA9887_TOP(params->default_top_mid); - else if (params->default_top_high) - config |= TDA9887_TOP(params->default_top_high); + if (i == 0 && t_params->default_top_low) + config |= TDA9887_TOP(t_params->default_top_low); + else if (i == 1 && t_params->default_top_mid) + config |= TDA9887_TOP(t_params->default_top_mid); + else if (t_params->default_top_high) + config |= TDA9887_TOP(t_params->default_top_high); } - if (params->default_pll_gating_18) + if (t_params->default_pll_gating_18) config |= TDA9887_GATING_18; i2c_clients_command(priv->i2c_props.adap, TDA9887_SET_CONFIG, &config); } @@ -353,7 +386,7 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq) if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,buffer,4))) tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc); - switch (t->type) { + switch (priv->type) { case TUNER_LG_TDVS_H06XF: /* Set the Auxiliary Byte. */ buffer[0] = buffer[2]; @@ -374,7 +407,7 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq) /* Wait until the PLL locks */ for (;;) { if (time_after(jiffies,timeout)) - return; + return 0; if (1 != (rc = tuner_i2c_xfer_recv(&priv->i2c_props,&status_byte,1))) { tuner_warn("i2c i/o read error: rc == %d (should be 1)\n",rc); break; @@ -398,27 +431,30 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq) break; } } + return 0; } -static void default_set_radio_freq(struct tuner *t, unsigned int freq) +static int simple_set_radio_freq(struct dvb_frontend *fe, + struct analog_parameters *params) { struct tunertype *tun; - struct tuner_simple_priv *priv = t->priv; + struct tuner_simple_priv *priv = fe->tuner_priv; u8 buffer[4]; u16 div; int rc, j; - struct tuner_params *params; + struct tuner_params *t_params; + unsigned int freq = params->frequency; - tun = &tuners[t->type]; + tun = priv->tun; for (j = tun->count-1; j > 0; j--) if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO) break; - /* default params (j=0) will be used if desired type wasn't found */ - params = &tun->params[j]; + /* default t_params (j=0) will be used if desired type wasn't found */ + t_params = &tun->params[j]; /* Select Radio 1st IF used */ - switch (params->radio_if) { + switch (t_params->radio_if) { case 0: /* 10.7 MHz */ freq += (unsigned int)(10.7*16000); break; @@ -429,16 +465,16 @@ static void default_set_radio_freq(struct tuner *t, unsigned int freq) freq += (unsigned int)(41.3*16000); break; default: - tuner_warn("Unsupported radio_if value %d\n", params->radio_if); - return; + tuner_warn("Unsupported radio_if value %d\n", t_params->radio_if); + return 0; } /* Bandswitch byte */ - switch (t->type) { + switch (priv->type) { case TUNER_TENA_9533_DI: case TUNER_YMEC_TVF_5533MF: - tuner_dbg ("This tuner doesn't have FM. Most cards have a TEA5767 for FM\n"); - return; + tuner_dbg("This tuner doesn't have FM. Most cards have a TEA5767 for FM\n"); + return 0; case TUNER_PHILIPS_FM1216ME_MK3: case TUNER_PHILIPS_FM1236_MK3: case TUNER_PHILIPS_FMD1216ME_MK3: @@ -461,7 +497,7 @@ static void default_set_radio_freq(struct tuner *t, unsigned int freq) break; } - buffer[2] = (params->ranges[0].config & ~TUNER_RATIO_MASK) | + buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */ /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps @@ -469,7 +505,7 @@ static void default_set_radio_freq(struct tuner *t, unsigned int freq) freq * (1/800) */ div = (freq + 400) / 800; - if (params->cb_first_if_lower_freq && div < priv->last_div) { + if (t_params->cb_first_if_lower_freq && div < priv->last_div) { buffer[0] = buffer[2]; buffer[1] = buffer[3]; buffer[2] = (div>>8) & 0x7f; @@ -483,61 +519,105 @@ static void default_set_radio_freq(struct tuner *t, unsigned int freq) buffer[0],buffer[1],buffer[2],buffer[3]); priv->last_div = div; - if (params->has_tda9887) { + if (t_params->has_tda9887) { int config = 0; - if (params->port1_active && !params->port1_fm_high_sensitivity) + if (t_params->port1_active && !t_params->port1_fm_high_sensitivity) config |= TDA9887_PORT1_ACTIVE; - if (params->port2_active && !params->port2_fm_high_sensitivity) + if (t_params->port2_active && !t_params->port2_fm_high_sensitivity) config |= TDA9887_PORT2_ACTIVE; - if (params->intercarrier_mode) + if (t_params->intercarrier_mode) config |= TDA9887_INTERCARRIER; -/* if (params->port1_set_for_fm_mono) +/* if (t_params->port1_set_for_fm_mono) config &= ~TDA9887_PORT1_ACTIVE;*/ - if (params->fm_gain_normal) + if (t_params->fm_gain_normal) config |= TDA9887_GAIN_NORMAL; - if (params->radio_if == 2) + if (t_params->radio_if == 2) config |= TDA9887_RIF_41_3; i2c_clients_command(priv->i2c_props.adap, TDA9887_SET_CONFIG, &config); } if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,buffer,4))) tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc); + + return 0; } -static void tuner_release(struct tuner *t) +static int simple_set_params(struct dvb_frontend *fe, + struct analog_parameters *params) { - kfree(t->priv); - t->priv = NULL; + struct tuner_simple_priv *priv = fe->tuner_priv; + int ret = -EINVAL; + + switch (params->mode) { + case V4L2_TUNER_RADIO: + ret = simple_set_radio_freq(fe, params); + priv->frequency = params->frequency * 125 / 2; + break; + case V4L2_TUNER_ANALOG_TV: + case V4L2_TUNER_DIGITAL_TV: + ret = simple_set_tv_freq(fe, params); + priv->frequency = params->frequency * 62500; + break; + } + + return ret; } -static struct tuner_operations simple_tuner_ops = { - .set_tv_freq = default_set_tv_freq, - .set_radio_freq = default_set_radio_freq, - .has_signal = tuner_signal, - .is_stereo = tuner_stereo, - .release = tuner_release, + +static int simple_release(struct dvb_frontend *fe) +{ + kfree(fe->tuner_priv); + fe->tuner_priv = NULL; + + return 0; +} + +static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + *frequency = priv->frequency; + return 0; +} + +static struct dvb_tuner_ops simple_tuner_ops = { + .set_analog_params = simple_set_params, + .release = simple_release, + .get_frequency = simple_get_frequency, + .get_status = simple_get_status, }; -int default_tuner_init(struct tuner *t) +struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c_adap, + u8 i2c_addr, + struct simple_tuner_config *cfg) { struct tuner_simple_priv *priv = NULL; priv = kzalloc(sizeof(struct tuner_simple_priv), GFP_KERNEL); if (priv == NULL) - return -ENOMEM; - t->priv = priv; + return NULL; + fe->tuner_priv = priv; - priv->i2c_props.addr = t->i2c.addr; - priv->i2c_props.adap = t->i2c.adapter; + priv->i2c_props.addr = i2c_addr; + priv->i2c_props.adap = i2c_adap; + priv->type = cfg->type; + priv->tun = cfg->tun; - tuner_info("type set to %d (%s)\n", - t->type, tuners[t->type].name); - strlcpy(t->i2c.name, tuners[t->type].name, sizeof(t->i2c.name)); + memcpy(&fe->ops.tuner_ops, &simple_tuner_ops, sizeof(struct dvb_tuner_ops)); - memcpy(&t->ops, &simple_tuner_ops, sizeof(struct tuner_operations)); + tuner_info("type set to %d (%s)\n", cfg->type, cfg->tun->name); - return 0; + strlcpy(fe->ops.tuner_ops.info.name, cfg->tun->name, sizeof(fe->ops.tuner_ops.info.name)); + + return fe; } + +EXPORT_SYMBOL_GPL(simple_tuner_attach); + +MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver"); +MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); +MODULE_LICENSE("GPL"); + /* * Overrides for Emacs so that we follow Linus's tabbing style. * --------------------------------------------------------------------------- diff --git a/drivers/media/video/tuner-simple.h b/drivers/media/video/tuner-simple.h new file mode 100644 index 000000000000..75cd45b7145d --- /dev/null +++ b/drivers/media/video/tuner-simple.h @@ -0,0 +1,35 @@ +/* + 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 __TUNER_SIMPLE_H__ +#define __TUNER_SIMPLE_H__ + +#include +#include "dvb_frontend.h" + +struct simple_tuner_config +{ + /* chip type */ + unsigned int type; + struct tunertype *tun; +}; + +extern struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c_adap, + u8 i2c_addr, + struct simple_tuner_config *cfg); + +#endif /* __TUNER_SIMPLE_H__ */