diff options
Diffstat (limited to 'drivers/media/dvb/frontends/dvb-pll.c')
| -rw-r--r-- | drivers/media/dvb/frontends/dvb-pll.c | 147 |
1 files changed, 110 insertions, 37 deletions
diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index 11f7d5939bd..8c8d7342d0b 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -24,12 +24,48 @@ #include "dvb-pll.h" +struct dvb_pll_priv { + /* pll number */ + int nr; + + /* i2c details */ + int pll_i2c_address; + struct i2c_adapter *i2c; + + /* the PLL descriptor */ + struct dvb_pll_desc *pll_desc; + + /* cached frequency/bandwidth */ + u32 frequency; + u32 bandwidth; +}; + +#define DVB_PLL_MAX 64 + +static unsigned int dvb_pll_devcount; + +static int debug = 0; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable verbose debug messages"); + +static unsigned int input[DVB_PLL_MAX] = { [ 0 ... (DVB_PLL_MAX-1) ] = 0 }; +module_param_array(input, int, NULL, 0644); +MODULE_PARM_DESC(input,"specify rf input choice, 0 for autoselect (default)"); + +static unsigned int id[DVB_PLL_MAX] = + { [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED }; +module_param_array(id, int, NULL, 0644); +MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)"); + +/* ----------------------------------------------------------- */ + struct dvb_pll_desc { char *name; u32 min; u32 max; u32 iffreq; - void (*set)(u8 *buf, const struct dvb_frontend_parameters *params); + void (*set)(struct dvb_frontend *fe, u8 *buf, + const struct dvb_frontend_parameters *params); u8 *initdata; u8 *sleepdata; int count; @@ -89,7 +125,7 @@ static struct dvb_pll_desc dvb_pll_thomson_dtt7610 = { }, }; -static void thomson_dtt759x_bw(u8 *buf, +static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf, const struct dvb_frontend_parameters *params) { if (BANDWIDTH_7_MHZ == params->u.ofdm.bandwidth) @@ -210,7 +246,8 @@ static struct dvb_pll_desc dvb_pll_env57h1xd5 = { /* Philips TDA6650/TDA6651 * used in Panasonic ENV77H11D5 */ -static void tda665x_bw(u8 *buf, const struct dvb_frontend_parameters *params) +static void tda665x_bw(struct dvb_frontend *fe, u8 *buf, + const struct dvb_frontend_parameters *params) { if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) buf[3] |= 0x08; @@ -243,7 +280,8 @@ static struct dvb_pll_desc dvb_pll_tda665x = { /* Infineon TUA6034 * used in LG TDTP E102P */ -static void tua6034_bw(u8 *buf, const struct dvb_frontend_parameters *params) +static void tua6034_bw(struct dvb_frontend *fe, u8 *buf, + const struct dvb_frontend_parameters *params) { if (BANDWIDTH_7_MHZ != params->u.ofdm.bandwidth) buf[3] |= 0x08; @@ -283,7 +321,8 @@ static struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = { /* Philips FMD1216ME * used in Medion Hybrid PCMCIA card and USB Box */ -static void fmd1216me_bw(u8 *buf, const struct dvb_frontend_parameters *params) +static void fmd1216me_bw(struct dvb_frontend *fe, u8 *buf, + const struct dvb_frontend_parameters *params) { if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ && params->frequency >= 158870000) @@ -313,7 +352,8 @@ static struct dvb_pll_desc dvb_pll_fmd1216me = { /* ALPS TDED4 * used in Nebula-Cards and USB boxes */ -static void tded4_bw(u8 *buf, const struct dvb_frontend_parameters *params) +static void tded4_bw(struct dvb_frontend *fe, u8 *buf, + const struct dvb_frontend_parameters *params) { if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) buf[3] |= 0x04; @@ -354,16 +394,35 @@ static struct dvb_pll_desc dvb_pll_tdhu2 = { /* Philips TUV1236D * used in ATI HDTV Wonder */ -static void tuv1236d_rf(u8 *buf, const struct dvb_frontend_parameters *params) +static void tuv1236d_rf(struct dvb_frontend *fe, u8 *buf, + const struct dvb_frontend_parameters *params) { - switch (params->u.vsb.modulation) { - case QAM_64: - case QAM_256: + struct dvb_pll_priv *priv = fe->tuner_priv; + unsigned int new_rf = input[priv->nr]; + + if ((new_rf == 0) || (new_rf > 2)) { + switch (params->u.vsb.modulation) { + case QAM_64: + case QAM_256: + new_rf = 1; + break; + case VSB_8: + default: + new_rf = 2; + } + } + + switch (new_rf) { + case 1: buf[3] |= 0x08; break; - case VSB_8: - default: + case 2: buf[3] &= ~0x08; + break; + default: + printk(KERN_WARNING + "%s: unhandled rf input selection: %d", + __FUNCTION__, new_rf); } } @@ -420,7 +479,8 @@ static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = { /* * Philips TD1316 Tuner. */ -static void td1316_bw(u8 *buf, const struct dvb_frontend_parameters *params) +static void td1316_bw(struct dvb_frontend *fe, u8 *buf, + const struct dvb_frontend_parameters *params) { u8 band; @@ -474,7 +534,8 @@ static struct dvb_pll_desc dvb_pll_thomson_fe6600 = { } }; -static void opera1_bw(u8 *buf, const struct dvb_frontend_parameters *params) +static void opera1_bw(struct dvb_frontend *fe, u8 *buf, + const struct dvb_frontend_parameters *params) { if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) buf[2] |= 0x08; @@ -546,30 +607,13 @@ static struct dvb_pll_desc *pll_list[] = { }; /* ----------------------------------------------------------- */ - -struct dvb_pll_priv { - /* i2c details */ - int pll_i2c_address; - struct i2c_adapter *i2c; - - /* the PLL descriptor */ - struct dvb_pll_desc *pll_desc; - - /* cached frequency/bandwidth */ - u32 frequency; - u32 bandwidth; -}; - -/* ----------------------------------------------------------- */ /* code */ -static int debug = 0; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "enable verbose debug messages"); - -static int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, +static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, const struct dvb_frontend_parameters *params) { + struct dvb_pll_priv *priv = fe->tuner_priv; + struct dvb_pll_desc *desc = priv->pll_desc; u32 div; int i; @@ -597,7 +641,7 @@ static int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, buf[3] = desc->entries[i].cb; if (desc->set) - desc->set(buf, params); + desc->set(fe, buf, params); if (debug) printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", @@ -654,7 +698,7 @@ static int dvb_pll_set_params(struct dvb_frontend *fe, if (priv->i2c == NULL) return -EINVAL; - if ((result = dvb_pll_configure(priv->pll_desc, buf, params)) < 0) + if ((result = dvb_pll_configure(fe, buf, params)) < 0) return result; else frequency = result; @@ -682,7 +726,7 @@ static int dvb_pll_calc_regs(struct dvb_frontend *fe, if (buf_len < 5) return -EINVAL; - if ((result = dvb_pll_configure(priv->pll_desc, buf+1, params)) < 0) + if ((result = dvb_pll_configure(fe, buf+1, params)) < 0) return result; else frequency = result; @@ -755,6 +799,10 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, int ret; struct dvb_pll_desc *desc; + if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) && + (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list))) + pll_desc_id = id[dvb_pll_devcount]; + BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list)); desc = pll_list[pll_desc_id]; @@ -777,6 +825,7 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, priv->pll_i2c_address = pll_addr; priv->i2c = i2c; priv->pll_desc = desc; + priv->nr = dvb_pll_devcount++; memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, sizeof(struct dvb_tuner_ops)); @@ -791,6 +840,30 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, fe->ops.tuner_ops.sleep = NULL; fe->tuner_priv = priv; + + if ((debug) || (id[priv->nr] == pll_desc_id)) { + printk("dvb-pll[%d]", priv->nr); + if (i2c != NULL) + printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr); + printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name, + id[priv->nr] == pll_desc_id ? + "insmod option" : "autodetected"); + } + if ((debug) || (input[priv->nr] > 0)) { + printk("dvb-pll[%d]", priv->nr); + if (i2c != NULL) + printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr); + printk(": tuner rf input will be "); + switch (input[priv->nr]) { + case 0: + printk("autoselected\n"); + break; + default: + printk("set to input %d (insmod option)\n", + input[priv->nr]); + } + } + return fe; } EXPORT_SYMBOL(dvb_pll_attach); |