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=c1db576696c6d34288e2b4cc6a596c4e730f9dc9;hpb=6e5565f949af1322f8f3d3f43d044645ae448499;p=linux-2.6 diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c index c1db576696..be8d903171 100644 --- a/drivers/media/video/tuner-simple.c +++ b/drivers/media/video/tuner-simple.c @@ -13,15 +13,25 @@ #include "tuner-i2c.h" #include "tuner-simple.h" -static int debug = 0; +static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "enable verbose debug messages"); -#define PREFIX "tuner-simple" +#define TUNER_SIMPLE_MAX 64 +static unsigned int simple_devcount; -static int offset = 0; +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"); /* ---------------------------------------------------------------------- */ @@ -36,8 +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 @@ -90,14 +100,21 @@ 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; }; /* ---------------------------------------------------------------------- */ @@ -107,7 +124,7 @@ static int tuner_read_status(struct dvb_frontend *fe) struct tuner_simple_priv *priv = fe->tuner_priv; unsigned char byte; - if (1 != tuner_i2c_xfer_recv(&priv->i2c_props,&byte,1)) + if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1)) return 0; return byte; @@ -121,13 +138,13 @@ static inline int tuner_signal(const int status) static inline int tuner_stereo(const int type, const int status) { 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; + 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; } } @@ -145,7 +162,12 @@ static inline int tuner_afcstatus(const int status) static int simple_get_status(struct dvb_frontend *fe, u32 *status) { struct tuner_simple_priv *priv = fe->tuner_priv; - int tuner_status = tuner_read_status(fe); + int tuner_status; + + if (priv->i2c_props.adap == NULL) + return -EINVAL; + + tuner_status = tuner_read_status(fe); *status = 0; @@ -162,7 +184,12 @@ static int simple_get_status(struct dvb_frontend *fe, u32 *status) static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength) { struct tuner_simple_priv *priv = fe->tuner_priv; - int signal = tuner_signal(tuner_read_status(fe)); + int signal; + + if (priv->i2c_props.adap == NULL) + return -EINVAL; + + signal = tuner_signal(tuner_read_status(fe)); *strength = signal; @@ -173,174 +200,378 @@ static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength) /* ---------------------------------------------------------------------- */ -static int simple_set_tv_freq(struct dvb_frontend *fe, - struct analog_parameters *params) +static inline char *tuner_param_name(enum param_type type) { - 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 *t_params; + char *name; - tun = priv->tun; + 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 (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; - } + for (i = 0; i < tun->count; i++) + if (desired_type == tun->params[i].type) + break; - for (j = 0; j < tun->count-1; j++) { - if (desired_type != tun->params[j].type) - continue; - break; - } - /* use default tuner_t_params if desired_type not available */ - if (desired_type != tun->params[j].type) { - tuner_dbg("IFPCoff = %d: tuner_t_params undefined for tuner %d\n", - IFPCoff, priv->type); - j = 0; + /* 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; } - t_params = &tun->params[j]; + + 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 (params->frequency > t_params->ranges[i].limit) + if (*frequency > t_params->ranges[i].limit) continue; break; } if (i == t_params->count) { - tuner_dbg("TV frequency out of range (%d > %d)", - params->frequency, t_params->ranges[i - 1].limit); - params->frequency = t_params->ranges[--i].limit; + tuner_dbg("frequency out of range (%d > %d)\n", + *frequency, t_params->ranges[i - 1].limit); + *frequency = t_params->ranges[--i].limit; } - 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); + *config = t_params->ranges[i].config; + *cb = t_params->ranges[i].cb; + + 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; - div=params->frequency + IFPCoff + offset; + 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; + } +} - 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); +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 (priv->type) { - case TUNER_PHILIPS_SECAM: // FI1216MF + case TUNER_PHILIPS_SECAM: /* FI1216MF */ /* 0x01 -> ??? no change ??? */ /* 0x02 -> PAL BDGHI / SECAM L */ /* 0x04 -> ??? PAL others / SECAM others ??? */ - cb &= ~0x03; - if (params->std & V4L2_STD_SECAM_L) //also valid for V4L2_STD_SECAM - cb |= PHILIPS_MF_SET_STD_L; + *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; + *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 (params->std & V4L2_STD_PAL_BG) { - cb |= TEMIC_SET_PAL_BG; + *cb |= TEMIC_SET_PAL_BG; } else if (params->std & V4L2_STD_PAL_I) { - cb |= TEMIC_SET_PAL_I; + *cb |= TEMIC_SET_PAL_I; } else if (params->std & V4L2_STD_PAL_DK) { - cb |= TEMIC_SET_PAL_DK; + *cb |= TEMIC_SET_PAL_DK; } else if (params->std & V4L2_STD_SECAM_L) { - cb |= TEMIC_SET_PAL_L; + *cb |= TEMIC_SET_PAL_L; } break; case TUNER_PHILIPS_FQ1216ME: - cb &= ~0x0f; + *cb &= ~0x0f; if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { - cb |= PHILIPS_SET_PAL_BGDK; + *cb |= PHILIPS_SET_PAL_BGDK; } else if (params->std & V4L2_STD_PAL_I) { - cb |= PHILIPS_SET_PAL_I; + *cb |= PHILIPS_SET_PAL_I; } else if (params->std & V4L2_STD_SECAM_L) { - cb |= PHILIPS_SET_PAL_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; + *cb &= ~0x03; if (!(params->std & V4L2_STD_ATSC)) - cb |= 2; - /* FIXME: input */ + *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; + u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00}; + *cb &= ~0x40; if (params->std & V4L2_STD_ATSC) { - cb |= 0x40; + *cb |= 0x40; buffer[1] = 0x04; } /* set to the correct mode (analog or digital) */ tuneraddr = priv->i2c_props.addr; priv->i2c_props.addr = 0x0a; - if (2 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,&buffer[0],2))) - tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc); - if (2 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,&buffer[2],2))) - tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc); + 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; - /* FIXME: input */ break; } + } + if (atv_input[priv->nr]) + simple_set_rf_input(fe, config, cb, atv_input[priv->nr]); + + return 0; +} + +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 (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]); + + 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 */ + unsigned long timeout = jiffies + msecs_to_jiffies(1); + u8 status_byte = 0; + + /* Wait until the PLL locks */ + for (;;) { + 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) + break; + udelay(10); + } + + /* Set the charge pump for optimized phase noise figure */ + config &= ~TUNER_CHARGE_PUMP; + buffer[0] = (div>>8) & 0x7f; + buffer[1] = div & 0xff; + 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]); + + 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 int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + + 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 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_LG_PAL_FM: + buffer[3] = 0xa5; + break; + case TUNER_THOMSON_DTT761X: + buffer[3] = 0x39; + break; + case TUNER_MICROTUNE_4049FM5: + default: + buffer[3] = 0xa4; + break; + } + + 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; @@ -357,8 +588,10 @@ static int simple_set_tv_freq(struct dvb_frontend *fe, 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)); + 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; @@ -368,8 +601,7 @@ static int simple_set_tv_freq(struct dvb_frontend *fe, config |= TDA9887_PORT1_ACTIVE; if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc) config |= TDA9887_PORT2_ACTIVE; - } - else { + } else { if (t_params->port1_active) config |= TDA9887_PORT1_ACTIVE; if (t_params->port2_active) @@ -384,8 +616,7 @@ static int simple_set_tv_freq(struct dvb_frontend *fe, 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 { + } 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) @@ -399,56 +630,14 @@ static int simple_set_tv_freq(struct dvb_frontend *fe, &tda9887_cfg); } tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", - buffer[0],buffer[1],buffer[2],buffer[3]); - - 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 (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]); - - if (2 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,buffer,2))) - 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 - unsigned long timeout = jiffies + msecs_to_jiffies(1); - u8 status_byte = 0; + buffer[0], buffer[1], buffer[2], buffer[3]); - /* Wait until the PLL locks */ - for (;;) { - if (time_after(jiffies,timeout)) - 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; - } - if (status_byte & TUNER_PLL_LOCKED) - break; - udelay(10); - } + 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); - /* Set the charge pump for optimized phase noise figure */ - config &= ~TUNER_CHARGE_PUMP; - buffer[0] = (div>>8) & 0x7f; - buffer[1] = div & 0xff; - 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]); + simple_post_tune(fe, &buffer[0], div, config, cb); - 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); - break; - } - } return 0; } @@ -483,37 +672,13 @@ static int simple_set_radio_freq(struct dvb_frontend *fe, freq += (unsigned int)(41.3*16000); break; default: - tuner_warn("Unsupported radio_if value %d\n", t_params->radio_if); + tuner_warn("Unsupported radio_if value %d\n", + t_params->radio_if); return 0; } /* Bandswitch byte */ - 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 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_LG_PAL_FM: - buffer[3] = 0xa5; - break; - case TUNER_THOMSON_DTT761X: - buffer[3] = 0x39; - break; - case TUNER_MICROTUNE_4049FM5: - default: - buffer[3] = 0xa4; - break; - } + simple_radio_bandswitch(fe, &buffer[0]); buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */ @@ -534,7 +699,7 @@ static int simple_set_radio_freq(struct dvb_frontend *fe, } tuner_dbg("radio 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]); priv->last_div = div; if (t_params->has_tda9887) { @@ -544,9 +709,11 @@ static int simple_set_radio_freq(struct dvb_frontend *fe, tda9887_cfg.tuner = TUNER_TDA9887; tda9887_cfg.priv = &config; - if (t_params->port1_active && !t_params->port1_fm_high_sensitivity) + if (t_params->port1_active && + !t_params->port1_fm_high_sensitivity) config |= TDA9887_PORT1_ACTIVE; - if (t_params->port2_active && !t_params->port2_fm_high_sensitivity) + if (t_params->port2_active && + !t_params->port2_fm_high_sensitivity) config |= TDA9887_PORT2_ACTIVE; if (t_params->intercarrier_mode) config |= TDA9887_INTERCARRIER; @@ -557,10 +724,11 @@ static int simple_set_radio_freq(struct dvb_frontend *fe, if (t_params->radio_if == 2) config |= TDA9887_RIF_41_3; i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG, - &tda9887_cfg); + &tda9887_cfg); } - 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); + 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; } @@ -571,6 +739,9 @@ static int simple_set_params(struct dvb_frontend *fe, 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); @@ -582,14 +753,210 @@ static int simple_set_params(struct dvb_frontend *fe, 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; +} static int simple_release(struct dvb_frontend *fe) { - kfree(fe->tuner_priv); + struct tuner_simple_priv *priv = fe->tuner_priv; + + mutex_lock(&tuner_simple_list_mutex); + + if (priv) + hybrid_tuner_release_state(priv); + + mutex_unlock(&tuner_simple_list_mutex); + fe->tuner_priv = NULL; return 0; @@ -602,10 +969,22 @@ static int simple_get_frequency(struct dvb_frontend *fe, u32 *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, }; @@ -613,30 +992,92 @@ static struct dvb_tuner_ops simple_tuner_ops = { struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c_adap, u8 i2c_addr, - struct simple_tuner_config *cfg) + unsigned int type) { struct tuner_simple_priv *priv = NULL; + int instance; - priv = kzalloc(sizeof(struct tuner_simple_priv), GFP_KERNEL); - if (priv == NULL) + if (type >= tuner_count) { + printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n", + __func__, type, tuner_count-1); return NULL; - fe->tuner_priv = priv; + } - priv->i2c_props.addr = i2c_addr; - priv->i2c_props.adap = i2c_adap; - priv->type = cfg->type; - priv->tun = cfg->tun; + /* 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); + } - memcpy(&fe->ops.tuner_ops, &simple_tuner_ops, sizeof(struct dvb_tuner_ops)); + mutex_lock(&tuner_simple_list_mutex); - tuner_info("type set to %d (%s)\n", cfg->type, cfg->tun->name); + 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; - strlcpy(fe->ops.tuner_ops.info.name, cfg->tun->name, sizeof(fe->ops.tuner_ops.info.name)); + priv->type = type; + priv->tun = &tuners[type]; + priv->nr = simple_devcount++; + break; + default: + fe->tuner_priv = priv; + break; + } - return fe; -} + 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");