X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Ftuner-simple.c;h=be8d903171b7dce5f3ace750c63177a86d107284;hb=2e561c7b7e705b619122e5386d6f99f28f2b6e5a;hp=2d57e8bc0db3467e406d184d80647582abf2c0c8;hpb=d7f5e3df3574c6e38b99f5fe22f15540b2b9811d;p=linux-2.6 diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c index 2d57e8bc0d..be8d903171 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 @@ -9,11 +10,28 @@ #include #include #include -#include "tuner-driver.h" +#include "tuner-i2c.h" +#include "tuner-simple.h" + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable verbose debug messages"); -static int offset = 0; +#define TUNER_SIMPLE_MAX 64 +static unsigned int simple_devcount; + +static int offset; module_param(offset, int, 0664); -MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner"); +MODULE_PARM_DESC(offset, "Allows to specify an offset for tuner"); + +static unsigned int atv_input[TUNER_SIMPLE_MAX] = \ + { [0 ... (TUNER_SIMPLE_MAX-1)] = 0 }; +static unsigned int dtv_input[TUNER_SIMPLE_MAX] = \ + { [0 ... (TUNER_SIMPLE_MAX-1)] = 0 }; +module_param_array(atv_input, int, NULL, 0644); +module_param_array(dtv_input, int, NULL, 0644); +MODULE_PARM_DESC(atv_input, "specify atv rf input, 0 for autoselect"); +MODULE_PARM_DESC(dtv_input, "specify dtv rf input, 0 for autoselect"); /* ---------------------------------------------------------------------- */ @@ -28,8 +46,8 @@ MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner"); */ #define TEMIC_SET_PAL_I 0x05 #define TEMIC_SET_PAL_DK 0x09 -#define TEMIC_SET_PAL_L 0x0a // SECAM ? -#define TEMIC_SET_PAL_L2 0x0b // change IF ! +#define TEMIC_SET_PAL_L 0x0a /* SECAM ? */ +#define TEMIC_SET_PAL_L2 0x0b /* change IF ! */ #define TEMIC_SET_PAL_BG 0x0c /* tv tuner system standard selection for Philips FQ1216ME @@ -82,296 +100,358 @@ MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner"); #define TUNER_PLL_LOCKED 0x40 #define TUNER_STEREO_MK3 0x04 +static DEFINE_MUTEX(tuner_simple_list_mutex); +static LIST_HEAD(hybrid_tuner_instance_list); + +struct tuner_simple_priv { + unsigned int nr; + u16 last_div; + + struct tuner_i2c_props i2c_props; + struct list_head hybrid_tuner_instance_list; + + unsigned int type; + struct tunertype *tun; + + u32 frequency; + u32 bandwidth; +}; + /* ---------------------------------------------------------------------- */ -static int tuner_getstatus(struct i2c_client *c) +static int tuner_read_status(struct dvb_frontend *fe) { + struct tuner_simple_priv *priv = fe->tuner_priv; unsigned char byte; - if (1 != i2c_master_recv(c,&byte,1)) + if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1)) return 0; return byte; } -static int tuner_signal(struct i2c_client *c) +static inline int tuner_signal(const int status) { - return (tuner_getstatus(c) & TUNER_SIGNAL) << 13; + return (status & TUNER_SIGNAL) << 13; } -static int tuner_stereo(struct i2c_client *c) +static inline int tuner_stereo(const int type, const int status) { - int stereo, status; - struct tuner *t = i2c_get_clientdata(c); + switch (type) { + case TUNER_PHILIPS_FM1216ME_MK3: + case TUNER_PHILIPS_FM1236_MK3: + case TUNER_PHILIPS_FM1256_IH3: + case TUNER_LG_NTSC_TAPE: + return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3); + default: + return status & TUNER_STEREO; + } +} - status = tuner_getstatus (c); +static inline int tuner_islocked(const int status) +{ + return (status & TUNER_FL); +} - switch (t->type) { - case TUNER_PHILIPS_FM1216ME_MK3: - case TUNER_PHILIPS_FM1236_MK3: - case TUNER_PHILIPS_FM1256_IH3: - case TUNER_LG_NTSC_TAPE: - stereo = ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3); - break; - default: - stereo = status & TUNER_STEREO; - } +static inline int tuner_afcstatus(const int status) +{ + return (status & TUNER_AFC) - 2; +} + + +static int simple_get_status(struct dvb_frontend *fe, u32 *status) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + int tuner_status; + + if (priv->i2c_props.adap == NULL) + return -EINVAL; + + tuner_status = tuner_read_status(fe); + + *status = 0; + + if (tuner_islocked(tuner_status)) + *status = TUNER_STATUS_LOCKED; + if (tuner_stereo(priv->type, tuner_status)) + *status |= TUNER_STATUS_STEREO; - return stereo; + tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status)); + + return 0; } +static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + int signal; + + if (priv->i2c_props.adap == NULL) + return -EINVAL; + + signal = tuner_signal(tuner_read_status(fe)); + + *strength = signal; + + tuner_dbg("Signal strength: %d\n", signal); + + return 0; +} /* ---------------------------------------------------------------------- */ -static void default_set_tv_freq(struct i2c_client *c, unsigned int freq) +static inline char *tuner_param_name(enum param_type type) { - struct tuner *t = i2c_get_clientdata(c); - 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; + char *name; - tun = &tuners[t->type]; + switch (type) { + case TUNER_PARAM_TYPE_RADIO: + name = "radio"; + break; + case TUNER_PARAM_TYPE_PAL: + name = "pal"; + break; + case TUNER_PARAM_TYPE_SECAM: + name = "secam"; + break; + case TUNER_PARAM_TYPE_NTSC: + name = "ntsc"; + break; + case TUNER_PARAM_TYPE_DIGITAL: + name = "digital"; + break; + default: + name = "unknown"; + break; + } + return name; +} - /* IFPCoff = Video Intermediate Frequency - Vif: - 940 =16*58.75 NTSC/J (Japan) - 732 =16*45.75 M/N STD - 704 =16*44 ATSC (at DVB code) - 632 =16*39.50 I U.K. - 622.4=16*38.90 B/G D/K I, L STD - 592 =16*37.00 D China - 590 =16.36.875 B Australia - 543.2=16*33.95 L' STD - 171.2=16*10.70 FM Radio (at set_radio_freq) - */ +static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe, + enum param_type desired_type) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + struct tunertype *tun = priv->tun; + int i; - if (t->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)) { - IFPCoff = 732; - desired_type = TUNER_PARAM_TYPE_NTSC; - } else if (t->std == V4L2_STD_SECAM_LC) { - IFPCoff = 543; - desired_type = TUNER_PARAM_TYPE_SECAM; - } else { - IFPCoff = 623; - desired_type = TUNER_PARAM_TYPE_PAL; + for (i = 0; i < tun->count; i++) + if (desired_type == tun->params[i].type) + break; + + /* use default tuner params if desired_type not available */ + if (i == tun->count) { + tuner_dbg("desired params (%s) undefined for tuner %d\n", + tuner_param_name(desired_type), priv->type); + i = 0; } - for (j = 0; j < tun->count-1; j++) { - if (desired_type != tun->params[j].type) + tuner_dbg("using tuner params #%d (%s)\n", i, + tuner_param_name(tun->params[i].type)); + + return &tun->params[i]; +} + +static int simple_config_lookup(struct dvb_frontend *fe, + struct tuner_params *t_params, + int *frequency, u8 *config, u8 *cb) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + int i; + + for (i = 0; i < t_params->count; i++) { + if (*frequency > t_params->ranges[i].limit) continue; break; } - /* use default tuner_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); - j = 0; + if (i == t_params->count) { + tuner_dbg("frequency out of range (%d > %d)\n", + *frequency, t_params->ranges[i - 1].limit); + *frequency = t_params->ranges[--i].limit; } - params = &tun->params[j]; + *config = t_params->ranges[i].config; + *cb = t_params->ranges[i].cb; - for (i = 0; i < params->count; i++) { - if (freq > params->ranges[i].limit) - continue; + tuner_dbg("freq = %d.%02d (%d), range = %d, " + "config = 0x%02x, cb = 0x%02x\n", + *frequency / 16, *frequency % 16 * 100 / 16, *frequency, + i, *config, *cb); + + return i; +} + +/* ---------------------------------------------------------------------- */ + +static void simple_set_rf_input(struct dvb_frontend *fe, + u8 *config, u8 *cb, unsigned int rf) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + + switch (priv->type) { + case TUNER_PHILIPS_TUV1236D: + switch (rf) { + case 1: + *cb |= 0x08; + break; + default: + *cb &= ~0x08; + break; + } + break; + case TUNER_PHILIPS_FCV1236D: + switch (rf) { + case 1: + *cb |= 0x01; + break; + default: + *cb &= ~0x01; + break; + } + break; + default: break; } - if (i == params->count) { - tuner_dbg("TV frequency out of range (%d > %d)", - freq, params->ranges[i - 1].limit); - freq = params->ranges[--i].limit; - } - config = params->ranges[i].config; - cb = 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; +} - tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n", - freq / 16, freq % 16 * 100 / 16, - IFPCoff / 16, IFPCoff % 16 * 100 / 16, - offset / 16, offset % 16 * 100 / 16, - div); +static int simple_std_setup(struct dvb_frontend *fe, + struct analog_parameters *params, + u8 *config, u8 *cb) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + u8 tuneraddr; + int rc; /* tv norm specific stuff for multi-norm tuners */ - switch (t->type) { - case TUNER_PHILIPS_SECAM: // FI1216MF + 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 - cb |= PHILIPS_MF_SET_STD_L; - else if (t->std & V4L2_STD_SECAM_LC) - cb |= PHILIPS_MF_SET_STD_LC; + *cb &= ~0x03; + if (params->std & V4L2_STD_SECAM_L) + /* also valid for V4L2_STD_SECAM */ + *cb |= PHILIPS_MF_SET_STD_L; + 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; + *cb |= PHILIPS_MF_SET_STD_BG; break; case TUNER_TEMIC_4046FM5: - cb &= ~0x0f; + *cb &= ~0x0f; - if (t->std & V4L2_STD_PAL_BG) { - cb |= TEMIC_SET_PAL_BG; + if (params->std & V4L2_STD_PAL_BG) { + *cb |= TEMIC_SET_PAL_BG; - } else if (t->std & V4L2_STD_PAL_I) { - cb |= TEMIC_SET_PAL_I; + } else if (params->std & V4L2_STD_PAL_I) { + *cb |= TEMIC_SET_PAL_I; - } else if (t->std & V4L2_STD_PAL_DK) { - cb |= TEMIC_SET_PAL_DK; + } else if (params->std & V4L2_STD_PAL_DK) { + *cb |= TEMIC_SET_PAL_DK; - } else if (t->std & V4L2_STD_SECAM_L) { - cb |= TEMIC_SET_PAL_L; + } else if (params->std & V4L2_STD_SECAM_L) { + *cb |= TEMIC_SET_PAL_L; } break; case TUNER_PHILIPS_FQ1216ME: - cb &= ~0x0f; + *cb &= ~0x0f; - if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { - cb |= PHILIPS_SET_PAL_BGDK; + if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { + *cb |= PHILIPS_SET_PAL_BGDK; - } else if (t->std & V4L2_STD_PAL_I) { - cb |= PHILIPS_SET_PAL_I; + } else if (params->std & V4L2_STD_PAL_I) { + *cb |= PHILIPS_SET_PAL_I; - } else if (t->std & V4L2_STD_SECAM_L) { - cb |= PHILIPS_SET_PAL_L; + } else if (params->std & V4L2_STD_SECAM_L) { + *cb |= PHILIPS_SET_PAL_L; } break; - case TUNER_PHILIPS_ATSC: + case TUNER_PHILIPS_FCV1236D: /* 0x00 -> ATSC antenna input 1 */ /* 0x01 -> ATSC antenna input 2 */ /* 0x02 -> NTSC antenna input 1 */ /* 0x03 -> NTSC antenna input 2 */ - cb &= ~0x03; - if (!(t->std & V4L2_STD_ATSC)) - cb |= 2; - /* FIXME: input */ + *cb &= ~0x03; + if (!(params->std & V4L2_STD_ATSC)) + *cb |= 2; break; case TUNER_MICROTUNE_4042FI5: /* Set the charge pump for fast tuning */ - config |= TUNER_CHARGE_PUMP; + *config |= TUNER_CHARGE_PUMP; break; case TUNER_PHILIPS_TUV1236D: + { /* 0x40 -> ATSC antenna input 1 */ /* 0x48 -> ATSC antenna input 2 */ /* 0x00 -> NTSC antenna input 1 */ /* 0x08 -> NTSC antenna input 2 */ - buffer[0] = 0x14; - buffer[1] = 0x00; - buffer[2] = 0x17; - buffer[3] = 0x00; - cb &= ~0x40; - if (t->std & V4L2_STD_ATSC) { - cb |= 0x40; + u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00}; + *cb &= ~0x40; + if (params->std & V4L2_STD_ATSC) { + *cb |= 0x40; buffer[1] = 0x04; } /* set to the correct mode (analog or digital) */ - tuneraddr = c->addr; - c->addr = 0x0a; - if (2 != (rc = i2c_master_send(c,&buffer[0],2))) - tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc); - if (2 != (rc = i2c_master_send(c,&buffer[2],2))) - tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc); - c->addr = tuneraddr; - /* FIXME: input */ + tuneraddr = priv->i2c_props.addr; + priv->i2c_props.addr = 0x0a; + rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[0], 2); + if (2 != rc) + tuner_warn("i2c i/o error: rc == %d " + "(should be 2)\n", rc); + rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[2], 2); + if (2 != rc) + tuner_warn("i2c i/o error: rc == %d " + "(should be 2)\n", rc); + priv->i2c_props.addr = tuneraddr; break; } - - if (params->cb_first_if_lower_freq && div < t->last_div) { - buffer[0] = config; - buffer[1] = cb; - buffer[2] = (div>>8) & 0x7f; - buffer[3] = div & 0xff; - } else { - buffer[0] = (div>>8) & 0x7f; - buffer[1] = div & 0xff; - buffer[2] = config; - buffer[3] = cb; } - t->last_div = div; - if (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)); + if (atv_input[priv->nr]) + simple_set_rf_input(fe, config, cb, atv_input[priv->nr]); - if (t->std == V4L2_STD_SECAM_LC) { - if (params->port1_active ^ params->port1_invert_for_secam_lc) - config |= TDA9887_PORT1_ACTIVE; - if (params->port2_active ^ params->port2_invert_for_secam_lc) - config |= TDA9887_PORT2_ACTIVE; - } - else { - if (params->port1_active) - config |= TDA9887_PORT1_ACTIVE; - if (params->port2_active) - config |= TDA9887_PORT2_ACTIVE; - } - if (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); - } - 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 (params->default_pll_gating_18) - config |= TDA9887_GATING_18; - i2c_clients_command(c->adapter, TDA9887_SET_CONFIG, &config); - } - tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", - buffer[0],buffer[1],buffer[2],buffer[3]); + return 0; +} - if (4 != (rc = i2c_master_send(c,buffer,4))) - tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc); +static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer, + u16 div, u8 config, u8 cb) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + int rc; - switch (t->type) { + switch (priv->type) { case TUNER_LG_TDVS_H06XF: /* Set the Auxiliary Byte. */ buffer[0] = buffer[2]; buffer[0] &= ~0x20; buffer[0] |= 0x18; buffer[1] = 0x20; - tuner_dbg("tv 0x%02x 0x%02x\n",buffer[0],buffer[1]); + tuner_dbg("tv 0x%02x 0x%02x\n", buffer[0], buffer[1]); - if (2 != (rc = i2c_master_send(c,buffer,2))) - tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc); + rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2); + if (2 != rc) + tuner_warn("i2c i/o error: rc == %d " + "(should be 2)\n", rc); break; case TUNER_MICROTUNE_4042FI5: { - // FIXME - this may also work for other tuners + /* FIXME - this may also work for other tuners */ unsigned long timeout = jiffies + msecs_to_jiffies(1); u8 status_byte = 0; /* Wait until the PLL locks */ for (;;) { - if (time_after(jiffies,timeout)) - return; - if (1 != (rc = i2c_master_recv(c,&status_byte,1))) { - tuner_warn("i2c i/o read error: rc == %d (should be 1)\n",rc); + if (time_after(jiffies, timeout)) + return 0; + rc = tuner_i2c_xfer_recv(&priv->i2c_props, + &status_byte, 1); + if (1 != rc) { + tuner_warn("i2c i/o read error: rc == %d " + "(should be 1)\n", rc); break; } if (status_byte & TUNER_PLL_LOCKED) @@ -386,70 +466,229 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq) buffer[2] = config; buffer[3] = cb; tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", - buffer[0],buffer[1],buffer[2],buffer[3]); + buffer[0], buffer[1], buffer[2], buffer[3]); - if (4 != (rc = i2c_master_send(c,buffer,4))) - tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc); + rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); + if (4 != rc) + tuner_warn("i2c i/o error: rc == %d " + "(should be 4)\n", rc); break; } } + + return 0; } -static void default_set_radio_freq(struct i2c_client *c, unsigned int freq) +static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer) { - struct tunertype *tun; - struct tuner *t = i2c_get_clientdata(c); - u8 buffer[4]; - u16 div; - int rc, j; - enum param_type desired_type = TUNER_PARAM_TYPE_RADIO; - struct tuner_params *params; - - tun = &tuners[t->type]; + struct tuner_simple_priv *priv = fe->tuner_priv; - for (j = 0; j < tun->count-1; j++) { - if (desired_type != tun->params[j].type) - continue; - break; - } - /* use default tuner_params if desired_type not available */ - if (desired_type != tun->params[j].type) - j = 0; - - div = (20 * freq / 16000) + (int)(20*10.7); /* IF 10.7 MHz */ - params = &tun->params[j]; - buffer[2] = (params->ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */ - - 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 has 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: case TUNER_LG_NTSC_TAPE: + case TUNER_PHILIPS_FM1256_IH3: buffer[3] = 0x19; break; case TUNER_TNF_5335MF: buffer[3] = 0x11; break; - case TUNER_PHILIPS_FM1256_IH3: - div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */ - buffer[3] = 0x19; - break; case TUNER_LG_PAL_FM: buffer[3] = 0xa5; break; - case TUNER_MICROTUNE_4049FM5: - div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */ - buffer[3] = 0xa4; + case TUNER_THOMSON_DTT761X: + buffer[3] = 0x39; break; + case TUNER_MICROTUNE_4049FM5: default: buffer[3] = 0xa4; break; } - if (params->cb_first_if_lower_freq && div < t->last_div) { + + return 0; +} + +/* ---------------------------------------------------------------------- */ + +static int simple_set_tv_freq(struct dvb_frontend *fe, + struct analog_parameters *params) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + u8 config, cb; + u16 div; + struct tunertype *tun; + u8 buffer[4]; + int rc, IFPCoff, i; + enum param_type desired_type; + struct tuner_params *t_params; + + tun = priv->tun; + + /* IFPCoff = Video Intermediate Frequency - Vif: + 940 =16*58.75 NTSC/J (Japan) + 732 =16*45.75 M/N STD + 704 =16*44 ATSC (at DVB code) + 632 =16*39.50 I U.K. + 622.4=16*38.90 B/G D/K I, L STD + 592 =16*37.00 D China + 590 =16.36.875 B Australia + 543.2=16*33.95 L' STD + 171.2=16*10.70 FM Radio (at set_radio_freq) + */ + + if (params->std == V4L2_STD_NTSC_M_JP) { + IFPCoff = 940; + desired_type = TUNER_PARAM_TYPE_NTSC; + } else if ((params->std & V4L2_STD_MN) && + !(params->std & ~V4L2_STD_MN)) { + IFPCoff = 732; + desired_type = TUNER_PARAM_TYPE_NTSC; + } else if (params->std == V4L2_STD_SECAM_LC) { + IFPCoff = 543; + desired_type = TUNER_PARAM_TYPE_SECAM; + } else { + IFPCoff = 623; + desired_type = TUNER_PARAM_TYPE_PAL; + } + + t_params = simple_tuner_params(fe, desired_type); + + i = simple_config_lookup(fe, t_params, ¶ms->frequency, + &config, &cb); + + div = params->frequency + IFPCoff + offset; + + tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, " + "Offset=%d.%02d MHz, div=%0d\n", + 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 */ + simple_std_setup(fe, params, &config, &cb); + + if (t_params->cb_first_if_lower_freq && div < priv->last_div) { + buffer[0] = config; + buffer[1] = cb; + buffer[2] = (div>>8) & 0x7f; + buffer[3] = div & 0xff; + } else { + buffer[0] = (div>>8) & 0x7f; + buffer[1] = div & 0xff; + buffer[2] = config; + buffer[3] = cb; + } + priv->last_div = div; + if (t_params->has_tda9887) { + struct v4l2_priv_tun_config tda9887_cfg; + int config = 0; + int is_secam_l = (params->std & (V4L2_STD_SECAM_L | + V4L2_STD_SECAM_LC)) && + !(params->std & ~(V4L2_STD_SECAM_L | + V4L2_STD_SECAM_LC)); + + tda9887_cfg.tuner = TUNER_TDA9887; + tda9887_cfg.priv = &config; + + if (params->std == V4L2_STD_SECAM_LC) { + if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc) + config |= TDA9887_PORT1_ACTIVE; + if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc) + config |= TDA9887_PORT2_ACTIVE; + } else { + if (t_params->port1_active) + config |= TDA9887_PORT1_ACTIVE; + if (t_params->port2_active) + config |= TDA9887_PORT2_ACTIVE; + } + if (t_params->intercarrier_mode) + config |= TDA9887_INTERCARRIER; + if (is_secam_l) { + 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 && 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 (t_params->default_pll_gating_18) + config |= TDA9887_GATING_18; + i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG, + &tda9887_cfg); + } + tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", + buffer[0], buffer[1], buffer[2], buffer[3]); + + rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); + if (4 != rc) + tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); + + simple_post_tune(fe, &buffer[0], div, config, cb); + + return 0; +} + +static int simple_set_radio_freq(struct dvb_frontend *fe, + struct analog_parameters *params) +{ + struct tunertype *tun; + struct tuner_simple_priv *priv = fe->tuner_priv; + u8 buffer[4]; + u16 div; + int rc, j; + struct tuner_params *t_params; + unsigned int freq = params->frequency; + + tun = priv->tun; + + for (j = tun->count-1; j > 0; j--) + if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO) + break; + /* 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 (t_params->radio_if) { + case 0: /* 10.7 MHz */ + freq += (unsigned int)(10.7*16000); + break; + case 1: /* 33.3 MHz */ + freq += (unsigned int)(33.3*16000); + break; + case 2: /* 41.3 MHz */ + freq += (unsigned int)(41.3*16000); + break; + default: + tuner_warn("Unsupported radio_if value %d\n", + t_params->radio_if); + return 0; + } + + /* Bandswitch byte */ + simple_radio_bandswitch(fe, &buffer[0]); + + 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 + freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) = + freq * (1/800) */ + div = (freq + 400) / 800; + + 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; @@ -460,47 +699,391 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq) } tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n", - buffer[0],buffer[1],buffer[2],buffer[3]); - t->last_div = div; + 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) + struct v4l2_priv_tun_config tda9887_cfg; + + tda9887_cfg.tuner = TUNER_TDA9887; + tda9887_cfg.priv = &config; + + 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; - i2c_clients_command(c->adapter, TDA9887_SET_CONFIG, &config); + if (t_params->radio_if == 2) + config |= TDA9887_RIF_41_3; + i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG, + &tda9887_cfg); } - if (4 != (rc = i2c_master_send(c,buffer,4))) - tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc); + rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); + if (4 != rc) + tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); + + return 0; } -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, -}; +static int simple_set_params(struct dvb_frontend *fe, + struct analog_parameters *params) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + int ret = -EINVAL; + + if (priv->i2c_props.adap == NULL) + return -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; + } + priv->bandwidth = 0; + + return ret; +} + +static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, + const struct dvb_frontend_parameters *params) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + + switch (priv->type) { + case TUNER_PHILIPS_FMD1216ME_MK3: + if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ && + params->frequency >= 158870000) + buf[3] |= 0x08; + break; + case TUNER_PHILIPS_TD1316: + /* determine band */ + buf[3] |= (params->frequency < 161000000) ? 1 : + (params->frequency < 444000000) ? 2 : 4; + + /* setup PLL filter */ + if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) + buf[3] |= 1 << 3; + break; + case TUNER_PHILIPS_TUV1236D: + case TUNER_PHILIPS_FCV1236D: + { + unsigned int new_rf; + + if (dtv_input[priv->nr]) + new_rf = dtv_input[priv->nr]; + else + switch (params->u.vsb.modulation) { + case QAM_64: + case QAM_256: + new_rf = 1; + break; + case VSB_8: + default: + new_rf = 0; + break; + } + simple_set_rf_input(fe, &buf[2], &buf[3], new_rf); + break; + } + default: + break; + } +} + +static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, + const struct dvb_frontend_parameters *params) +{ + /* This function returns the tuned frequency on success, 0 on error */ + struct tuner_simple_priv *priv = fe->tuner_priv; + struct tunertype *tun = priv->tun; + static struct tuner_params *t_params; + u8 config, cb; + u32 div; + int ret, frequency = params->frequency / 62500; + + t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL); + ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb); + if (ret < 0) + return 0; /* failure */ + + div = ((frequency + t_params->iffreq) * 62500 + offset + + tun->stepsize/2) / tun->stepsize; + + buf[0] = div >> 8; + buf[1] = div & 0xff; + buf[2] = config; + buf[3] = cb; + + simple_set_dvb(fe, buf, params); + + tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", + tun->name, div, buf[0], buf[1], buf[2], buf[3]); + + /* calculate the frequency we set it to */ + return (div * tun->stepsize) - t_params->iffreq; +} + +static int simple_dvb_calc_regs(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params, + u8 *buf, int buf_len) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + u32 frequency; + + if (buf_len < 5) + return -EINVAL; + + frequency = simple_dvb_configure(fe, buf+1, params); + if (frequency == 0) + return -EINVAL; + + buf[0] = priv->i2c_props.addr; + + priv->frequency = frequency; + priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? + params->u.ofdm.bandwidth : 0; + + return 5; +} + +static int simple_dvb_set_params(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + u32 prev_freq, prev_bw; + int ret; + u8 buf[5]; + + if (priv->i2c_props.adap == NULL) + return -EINVAL; + + prev_freq = priv->frequency; + prev_bw = priv->bandwidth; + + ret = simple_dvb_calc_regs(fe, params, buf, 5); + if (ret != 5) + goto fail; + + /* put analog demod in standby when tuning digital */ + if (fe->ops.analog_ops.standby) + fe->ops.analog_ops.standby(fe); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + /* buf[0] contains the i2c address, but * + * we already have it in i2c_props.addr */ + ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4); + if (ret != 4) + goto fail; + + return 0; +fail: + /* calc_regs sets frequency and bandwidth. if we failed, unset them */ + priv->frequency = prev_freq; + priv->bandwidth = prev_bw; + + return ret; +} + +static int simple_init(struct dvb_frontend *fe) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + + if (priv->i2c_props.adap == NULL) + return -EINVAL; + + if (priv->tun->initdata) { + int ret; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + ret = tuner_i2c_xfer_send(&priv->i2c_props, + priv->tun->initdata + 1, + priv->tun->initdata[0]); + if (ret != priv->tun->initdata[0]) + return ret; + } + + return 0; +} + +static int simple_sleep(struct dvb_frontend *fe) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + + if (priv->i2c_props.adap == NULL) + return -EINVAL; + + if (priv->tun->sleepdata) { + int ret; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + ret = tuner_i2c_xfer_send(&priv->i2c_props, + priv->tun->sleepdata + 1, + priv->tun->sleepdata[0]); + if (ret != priv->tun->sleepdata[0]) + return ret; + } + + return 0; +} -int default_tuner_init(struct i2c_client *c) +static int simple_release(struct dvb_frontend *fe) { - struct tuner *t = i2c_get_clientdata(c); + struct tuner_simple_priv *priv = fe->tuner_priv; + + mutex_lock(&tuner_simple_list_mutex); + + if (priv) + hybrid_tuner_release_state(priv); - tuner_info("type set to %d (%s)\n", - t->type, tuners[t->type].name); - strlcpy(c->name, tuners[t->type].name, sizeof(c->name)); + mutex_unlock(&tuner_simple_list_mutex); - memcpy(&t->ops, &simple_tuner_ops, sizeof(struct tuner_operations)); + 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 int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + *bandwidth = priv->bandwidth; return 0; } +static struct dvb_tuner_ops simple_tuner_ops = { + .init = simple_init, + .sleep = simple_sleep, + .set_analog_params = simple_set_params, + .set_params = simple_dvb_set_params, + .calc_regs = simple_dvb_calc_regs, + .release = simple_release, + .get_frequency = simple_get_frequency, + .get_bandwidth = simple_get_bandwidth, + .get_status = simple_get_status, + .get_rf_strength = simple_get_rf_strength, +}; + +struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c_adap, + u8 i2c_addr, + unsigned int type) +{ + struct tuner_simple_priv *priv = NULL; + int instance; + + if (type >= tuner_count) { + printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n", + __func__, type, tuner_count-1); + return NULL; + } + + /* If i2c_adap is set, check that the tuner is at the correct address. + * Otherwise, if i2c_adap is NULL, the tuner will be programmed directly + * by the digital demod via calc_regs. + */ + if (i2c_adap != NULL) { + u8 b[1]; + struct i2c_msg msg = { + .addr = i2c_addr, .flags = I2C_M_RD, + .buf = b, .len = 1, + }; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + if (1 != i2c_transfer(i2c_adap, &msg, 1)) + tuner_warn("unable to probe %s, proceeding anyway.", + tuners[type].name); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + } + + mutex_lock(&tuner_simple_list_mutex); + + instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv, + hybrid_tuner_instance_list, + i2c_adap, i2c_addr, + "tuner-simple"); + switch (instance) { + case 0: + mutex_unlock(&tuner_simple_list_mutex); + return NULL; + break; + case 1: + fe->tuner_priv = priv; + + priv->type = type; + priv->tun = &tuners[type]; + priv->nr = simple_devcount++; + break; + default: + fe->tuner_priv = priv; + break; + } + + mutex_unlock(&tuner_simple_list_mutex); + + memcpy(&fe->ops.tuner_ops, &simple_tuner_ops, + sizeof(struct dvb_tuner_ops)); + + tuner_info("type set to %d (%s)\n", type, priv->tun->name); + + if ((debug) || ((atv_input[priv->nr] > 0) || + (dtv_input[priv->nr] > 0))) { + if (0 == atv_input[priv->nr]) + tuner_info("tuner %d atv rf input will be " + "autoselected\n", priv->nr); + else + tuner_info("tuner %d atv rf input will be " + "set to input %d (insmod option)\n", + priv->nr, atv_input[priv->nr]); + if (0 == dtv_input[priv->nr]) + tuner_info("tuner %d dtv rf input will be " + "autoselected\n", priv->nr); + else + tuner_info("tuner %d dtv rf input will be " + "set to input %d (insmod option)\n", + priv->nr, dtv_input[priv->nr]); + } + + strlcpy(fe->ops.tuner_ops.info.name, priv->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. * ---------------------------------------------------------------------------