X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmedia%2Fdvb%2Ffrontends%2Fdvb-pll.c;h=62de760c844ff09683589a77389c879e24cc1ee6;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=e7937c63b31f1cf53d5cacb50d060ad182eace5c;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index e7937c63b..62de760c8 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -227,20 +227,20 @@ struct dvb_pll_desc dvb_pll_tua6034 = { EXPORT_SYMBOL(dvb_pll_tua6034); /* Infineon TUA6034 - * used in LG TDVS H061F and LG TDVS H062F + * used in LG TDVS-H061F, LG TDVS-H062F and LG TDVS-H064F */ -struct dvb_pll_desc dvb_pll_tdvs_tua6034 = { - .name = "LG/Infineon TUA6034", +struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = { + .name = "LG TDVS-H06xF", .min = 54000000, .max = 863000000, .count = 3, .entries = { - { 160000000, 44000000, 62500, 0xce, 0x01 }, - { 455000000, 44000000, 62500, 0xce, 0x02 }, + { 165000000, 44000000, 62500, 0xce, 0x01 }, + { 450000000, 44000000, 62500, 0xce, 0x02 }, { 999999999, 44000000, 62500, 0xce, 0x04 }, }, }; -EXPORT_SYMBOL(dvb_pll_tdvs_tua6034); +EXPORT_SYMBOL(dvb_pll_lg_tdvs_h06xf); /* Philips FMD1216ME * used in Medion Hybrid PCMCIA card and USB Box @@ -404,6 +404,34 @@ struct dvb_pll_desc dvb_pll_philips_td1316 = { }; EXPORT_SYMBOL(dvb_pll_philips_td1316); +/* FE6600 used on DViCO Hybrid */ +struct dvb_pll_desc dvb_pll_thomson_fe6600 = { + .name = "Thomson FE6600", + .min = 44250000, + .max = 858000000, + .count = 4, + .entries = { + { 250000000, 36213333, 166667, 0xb4, 0x12 }, + { 455000000, 36213333, 166667, 0xfe, 0x11 }, + { 775500000, 36213333, 166667, 0xbc, 0x18 }, + { 999999999, 36213333, 166667, 0xf4, 0x18 }, + } +}; +EXPORT_SYMBOL(dvb_pll_thomson_fe6600); + +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 */ @@ -428,13 +456,14 @@ int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, if (debug) printk("pll: %s: freq=%d bw=%d | i=%d/%d\n", desc->name, freq, bandwidth, i, desc->count); - BUG_ON(i == desc->count); + if (i == desc->count) + return -EINVAL; div = (freq + desc->entries[i].offset) / desc->entries[i].stepsize; buf[0] = div >> 8; buf[1] = div & 0xff; - buf[2] = desc->entries[i].cb1; - buf[3] = desc->entries[i].cb2; + buf[2] = desc->entries[i].config; + buf[3] = desc->entries[i].cb; if (desc->setbw) desc->setbw(buf, freq, bandwidth); @@ -443,10 +472,183 @@ int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", desc->name, div, buf[0], buf[1], buf[2], buf[3]); - return 0; + // calculate the frequency we set it to + return (div * desc->entries[i].stepsize) - desc->entries[i].offset; } EXPORT_SYMBOL(dvb_pll_configure); +static int dvb_pll_release(struct dvb_frontend *fe) +{ + kfree(fe->tuner_priv); + fe->tuner_priv = NULL; + return 0; +} + +static int dvb_pll_sleep(struct dvb_frontend *fe) +{ + struct dvb_pll_priv *priv = fe->tuner_priv; + u8 buf[4]; + struct i2c_msg msg = + { .addr = priv->pll_i2c_address, .flags = 0, + .buf = buf, .len = sizeof(buf) }; + int i; + int result; + + if (priv->i2c == NULL) + return -EINVAL; + + for (i = 0; i < priv->pll_desc->count; i++) { + if (priv->pll_desc->entries[i].limit == 0) + break; + } + if (i == priv->pll_desc->count) + return 0; + + buf[0] = 0; + buf[1] = 0; + buf[2] = priv->pll_desc->entries[i].config; + buf[3] = priv->pll_desc->entries[i].cb; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { + return result; + } + + return 0; +} + +static int dvb_pll_set_params(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params) +{ + struct dvb_pll_priv *priv = fe->tuner_priv; + u8 buf[4]; + struct i2c_msg msg = + { .addr = priv->pll_i2c_address, .flags = 0, + .buf = buf, .len = sizeof(buf) }; + int result; + u32 bandwidth = 0, frequency = 0; + + if (priv->i2c == NULL) + return -EINVAL; + + // DVBT bandwidth only just now + if (fe->ops.info.type == FE_OFDM) { + bandwidth = params->u.ofdm.bandwidth; + } + + if ((result = dvb_pll_configure(priv->pll_desc, buf, + params->frequency, bandwidth)) < 0) + return result; + else + frequency = result; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { + return result; + } + + priv->frequency = frequency; + priv->bandwidth = bandwidth; + + return 0; +} + +static int dvb_pll_calc_regs(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params, + u8 *buf, int buf_len) +{ + struct dvb_pll_priv *priv = fe->tuner_priv; + int result; + u32 bandwidth = 0, frequency = 0; + + if (buf_len < 5) + return -EINVAL; + + // DVBT bandwidth only just now + if (fe->ops.info.type == FE_OFDM) { + bandwidth = params->u.ofdm.bandwidth; + } + + if ((result = dvb_pll_configure(priv->pll_desc, buf+1, + params->frequency, bandwidth)) < 0) + return result; + else + frequency = result; + + buf[0] = priv->pll_i2c_address; + + priv->frequency = frequency; + priv->bandwidth = bandwidth; + + return 5; +} + +static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct dvb_pll_priv *priv = fe->tuner_priv; + *frequency = priv->frequency; + return 0; +} + +static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) +{ + struct dvb_pll_priv *priv = fe->tuner_priv; + *bandwidth = priv->bandwidth; + return 0; +} + +static struct dvb_tuner_ops dvb_pll_tuner_ops = { + .release = dvb_pll_release, + .sleep = dvb_pll_sleep, + .set_params = dvb_pll_set_params, + .calc_regs = dvb_pll_calc_regs, + .get_frequency = dvb_pll_get_frequency, + .get_bandwidth = dvb_pll_get_bandwidth, +}; + +struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, + struct i2c_adapter *i2c, + struct dvb_pll_desc *desc) +{ + u8 b1 [] = { 0 }; + struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, + .buf = b1, .len = 1 }; + struct dvb_pll_priv *priv = NULL; + int ret; + + if (i2c != NULL) { + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + ret = i2c_transfer (i2c, &msg, 1); + if (ret != 1) + return NULL; + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + } + + priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; + + priv->pll_i2c_address = pll_addr; + priv->i2c = i2c; + priv->pll_desc = desc; + + memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, + sizeof(struct dvb_tuner_ops)); + + strncpy(fe->ops.tuner_ops.info.name, desc->name, 128); + fe->ops.tuner_ops.info.frequency_min = desc->min; + fe->ops.tuner_ops.info.frequency_min = desc->max; + + fe->tuner_priv = priv; + return fe; +} +EXPORT_SYMBOL(dvb_pll_attach); + MODULE_DESCRIPTION("dvb pll library"); MODULE_AUTHOR("Gerd Knorr"); MODULE_LICENSE("GPL");