?? dvb-pll.c
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{ 454000000, 62500, 0xc6, 0x42 }, { 999999999, 62500, 0xc6, 0x44 }, },};/* Samsung TBMV30111IN / TBMV30712IN1 * used in Air2PC ATSC - 2nd generation (nxt2002) */static struct dvb_pll_desc dvb_pll_samsung_tbmv = { .name = "Samsung TBMV30111IN / TBMV30712IN1", .min = 54000000, .max = 860000000, .iffreq= 44000000, .count = 6, .entries = { { 172000000, 166667, 0xb4, 0x01 }, { 214000000, 166667, 0xb4, 0x02 }, { 467000000, 166667, 0xbc, 0x02 }, { 721000000, 166667, 0xbc, 0x08 }, { 841000000, 166667, 0xf4, 0x08 }, { 999999999, 166667, 0xfc, 0x02 }, }};/* * Philips SD1878 Tuner. */static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = { .name = "Philips SD1878", .min = 950000, .max = 2150000, .iffreq= 249, /* zero-IF, offset 249 is to round up */ .count = 4, .entries = { { 1250000, 500, 0xc4, 0x00}, { 1550000, 500, 0xc4, 0x40}, { 2050000, 500, 0xc4, 0x80}, { 2150000, 500, 0xc4, 0xc0}, },};/* * Philips TD1316 Tuner. */static void td1316_bw(struct dvb_frontend *fe, u8 *buf, const struct dvb_frontend_parameters *params){ u8 band; /* determine band */ if (params->frequency < 161000000) band = 1; else if (params->frequency < 444000000) band = 2; else band = 4; buf[3] |= band; /* setup PLL filter */ if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) buf[3] |= 1 << 3;}static struct dvb_pll_desc dvb_pll_philips_td1316 = { .name = "Philips TD1316", .min = 87000000, .max = 895000000, .iffreq= 36166667, .set = td1316_bw, .count = 9, .entries = { { 93834000, 166667, 0xca, 0x60}, { 123834000, 166667, 0xca, 0xa0}, { 163834000, 166667, 0xca, 0xc0}, { 253834000, 166667, 0xca, 0x60}, { 383834000, 166667, 0xca, 0xa0}, { 443834000, 166667, 0xca, 0xc0}, { 583834000, 166667, 0xca, 0x60}, { 793834000, 166667, 0xca, 0xa0}, { 858834000, 166667, 0xca, 0xe0}, },};/* FE6600 used on DViCO Hybrid */static struct dvb_pll_desc dvb_pll_thomson_fe6600 = { .name = "Thomson FE6600", .min = 44250000, .max = 858000000, .iffreq= 36125000, .count = 4, .entries = { { 250000000, 166667, 0xb4, 0x12 }, { 455000000, 166667, 0xfe, 0x11 }, { 775500000, 166667, 0xbc, 0x18 }, { 999999999, 166667, 0xf4, 0x18 }, }};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;}static struct dvb_pll_desc dvb_pll_opera1 = { .name = "Opera Tuner", .min = 900000, .max = 2250000, .iffreq= 0, .set = opera1_bw, .count = 8, .entries = { { 1064000, 500, 0xe5, 0xc6 }, { 1169000, 500, 0xe5, 0xe6 }, { 1299000, 500, 0xe5, 0x24 }, { 1444000, 500, 0xe5, 0x44 }, { 1606000, 500, 0xe5, 0x64 }, { 1777000, 500, 0xe5, 0x84 }, { 1941000, 500, 0xe5, 0xa4 }, { 2250000, 500, 0xe5, 0xc4 }, }};/* Philips FCV1236D */static struct dvb_pll_desc dvb_pll_fcv1236d = {/* Bit_0: RF Input select * Bit_1: 0=digital, 1=analog */ .name = "Philips FCV1236D", .min = 53000000, .max = 803000000, .iffreq= 44000000, .count = 3, .entries = { { 159000000, 62500, 0x8e, 0xa0 }, { 453000000, 62500, 0x8e, 0x90 }, { 999999999, 62500, 0x8e, 0x30 }, },};/* ----------------------------------------------------------- */static struct dvb_pll_desc *pll_list[] = { [DVB_PLL_UNDEFINED] = NULL, [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579, [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x, [DVB_PLL_THOMSON_DTT7610] = &dvb_pll_thomson_dtt7610, [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201, [DVB_PLL_MICROTUNE_4042] = &dvb_pll_microtune_4042, [DVB_PLL_THOMSON_DTT761X] = &dvb_pll_thomson_dtt761x, [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1, [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs, [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5, [DVB_PLL_TUA6034] = &dvb_pll_tua6034, [DVB_PLL_LG_TDVS_H06XF] = &dvb_pll_lg_tdvs_h06xf, [DVB_PLL_TDA665X] = &dvb_pll_tda665x, [DVB_PLL_FMD1216ME] = &dvb_pll_fmd1216me, [DVB_PLL_TDED4] = &dvb_pll_tded4, [DVB_PLL_TUV1236D] = &dvb_pll_tuv1236d, [DVB_PLL_TDHU2] = &dvb_pll_tdhu2, [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv, [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261, [DVB_PLL_PHILIPS_TD1316] = &dvb_pll_philips_td1316, [DVB_PLL_THOMSON_FE6600] = &dvb_pll_thomson_fe6600, [DVB_PLL_OPERA1] = &dvb_pll_opera1, [DVB_PLL_FCV1236D] = &dvb_pll_fcv1236d,};/* ----------------------------------------------------------- *//* code */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; if (params->frequency != 0 && (params->frequency < desc->min || params->frequency > desc->max)) return -EINVAL; for (i = 0; i < desc->count; i++) { if (params->frequency > desc->entries[i].limit) continue; break; } if (debug) printk("pll: %s: freq=%d | i=%d/%d\n", desc->name, params->frequency, i, desc->count); if (i == desc->count) return -EINVAL; div = (params->frequency + desc->iffreq + desc->entries[i].stepsize/2) / desc->entries[i].stepsize; buf[0] = div >> 8; buf[1] = div & 0xff; buf[2] = desc->entries[i].config; buf[3] = desc->entries[i].cb; if (desc->set) desc->set(fe, buf, params); if (debug) 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]); // calculate the frequency we set it to return (div * desc->entries[i].stepsize) - desc->iffreq;}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; if (priv->i2c == NULL) return -EINVAL; if (priv->pll_desc->sleepdata) { struct i2c_msg msg = { .flags = 0, .addr = priv->pll_i2c_address, .buf = priv->pll_desc->sleepdata + 1, .len = priv->pll_desc->sleepdata[0] }; int 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; } return 0; } /* Shouldn't be called when initdata is NULL, maybe BUG()? */ return -EINVAL;}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 frequency = 0; if (priv->i2c == NULL) return -EINVAL; if ((result = dvb_pll_configure(fe, buf, params)) < 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 = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; 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 frequency = 0; if (buf_len < 5) return -EINVAL; if ((result = dvb_pll_configure(fe, buf+1, params)) < 0) return result; else frequency = result; buf[0] = priv->pll_i2c_address; priv->frequency = frequency; priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; 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 int dvb_pll_init(struct dvb_frontend *fe){ struct dvb_pll_priv *priv = fe->tuner_priv; if (priv->i2c == NULL) return -EINVAL; if (priv->pll_desc->initdata) { struct i2c_msg msg = { .flags = 0, .addr = priv->pll_i2c_address, .buf = priv->pll_desc->initdata + 1, .len = priv->pll_desc->initdata[0] }; int 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; } return 0; } /* Shouldn't be called when initdata is NULL, maybe BUG()? */ return -EINVAL;}static struct dvb_tuner_ops dvb_pll_tuner_ops = { .release = dvb_pll_release, .sleep = dvb_pll_sleep, .init = dvb_pll_init, .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, unsigned int pll_desc_id){ 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; 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]; 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; priv->nr = dvb_pll_devcount++; memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, sizeof(struct dvb_tuner_ops)); strncpy(fe->ops.tuner_ops.info.name, desc->name, sizeof(fe->ops.tuner_ops.info.name)); fe->ops.tuner_ops.info.frequency_min = desc->min; fe->ops.tuner_ops.info.frequency_max = desc->max; if (!desc->initdata) fe->ops.tuner_ops.init = NULL; if (!desc->sleepdata) 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);MODULE_DESCRIPTION("dvb pll library");MODULE_AUTHOR("Gerd Knorr");MODULE_LICENSE("GPL");
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