/* * descriptions + helper functions for simple dvb plls. * * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> #include <linux/dvb/frontend.h> #include <asm/types.h> #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; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "enable verbose debug messages"); 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)(struct dvb_frontend *fe, u8 *buf, const struct dvb_frontend_parameters *params); u8 *initdata; u8 *sleepdata; int count; struct { u32 limit; u32 stepsize; u8 config; u8 cb; } entries[12]; }; /* ----------------------------------------------------------- */ /* descriptions */ static struct dvb_pll_desc dvb_pll_thomson_dtt7579 = { .name = "Thomson dtt7579", .min = 177000000, .max = 858000000, .iffreq= 36166667, .sleepdata = (u8[]){ 2, 0xb4, 0x03 }, .count = 4, .entries = { { 443250000, 166667, 0xb4, 0x02 }, { 542000000, 166667, 0xb4, 0x08 }, { 771000000, 166667, 0xbc, 0x08 }, { 999999999, 166667, 0xf4, 0x08 }, }, }; 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) buf[3] |= 0x10; } static struct dvb_pll_desc dvb_pll_thomson_dtt759x = { .name = "Thomson dtt759x", .min = 177000000, .max = 896000000, .set = thomson_dtt759x_bw, .iffreq= 36166667, .sleepdata = (u8[]){ 2, 0x84, 0x03 }, .count = 5, .entries = { { 264000000, 166667, 0xb4, 0x02 }, { 470000000, 166667, 0xbc, 0x02 }, { 735000000, 166667, 0xbc, 0x08 }, { 835000000, 166667, 0xf4, 0x08 }, { 999999999, 166667, 0xfc, 0x08 }, }, }; static struct dvb_pll_desc dvb_pll_lg_z201 = { .name = "LG z201", .min = 174000000, .max = 862000000, .iffreq= 36166667, .sleepdata = (u8[]){ 2, 0xbc, 0x03 }, .count = 5, .entries = { { 157500000, 166667, 0xbc, 0x01 }, { 443250000, 166667, 0xbc, 0x02 }, { 542000000, 166667, 0xbc, 0x04 }, { 830000000, 166667, 0xf4, 0x04 }, { 999999999, 166667, 0xfc, 0x04 }, }, }; static struct dvb_pll_desc dvb_pll_unknown_1 = { .name = "unknown 1", /* used by dntv live dvb-t */ .min = 174000000, .max = 862000000, .iffreq= 36166667, .count = 9, .entries = { { 150000000, 166667, 0xb4, 0x01 }, { 173000000, 166667, 0xbc, 0x01 }, { 250000000, 166667, 0xb4, 0x02 }, { 400000000, 166667, 0xbc, 0x02 }, { 420000000, 166667, 0xf4, 0x02 }, { 470000000, 166667, 0xfc, 0x02 }, { 600000000, 166667, 0xbc, 0x08 }, { 730000000, 166667, 0xf4, 0x08 }, { 999999999, 166667, 0xfc, 0x08 }, }, }; /* Infineon TUA6010XS * used in Thomson Cable Tuner */ static struct dvb_pll_desc dvb_pll_tua6010xs = { .name = "Infineon TUA6010XS", .min = 44250000, .max = 858000000, .iffreq= 36125000, .count = 3, .entries = { { 115750000, 62500, 0x8e, 0x03 }, { 403250000, 62500, 0x8e, 0x06 }, { 999999999, 62500, 0x8e, 0x85 }, }, }; /* Panasonic env57h1xd5 (some Philips PLL ?) */ static struct dvb_pll_desc dvb_pll_env57h1xd5 = { .name = "Panasonic ENV57H1XD5", .min = 44250000, .max = 858000000, .iffreq= 36125000, .count = 4, .entries = { { 153000000, 166667, 0xc2, 0x41 }, { 470000000, 166667, 0xc2, 0x42 }, { 526000000, 166667, 0xc2, 0x84 }, { 999999999, 166667, 0xc2, 0xa4 }, }, }; /* Philips TDA6650/TDA6651 * used in Panasonic ENV77H11D5 */ 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; } static struct dvb_pll_desc dvb_pll_tda665x = { .name = "Philips TDA6650/TDA6651", .min = 44250000, .max = 858000000, .set = tda665x_bw, .iffreq= 36166667, .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab }, .count = 12, .entries = { { 93834000, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ }, { 123834000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, { 161000000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, { 163834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, { 253834000, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ }, { 383834000, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ }, { 443834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, { 444000000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, { 583834000, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ }, { 793834000, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ }, { 444834000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, { 861000000, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ }, } }; /* Infineon TUA6034 * used in LG TDTP E102P */ 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; } static struct dvb_pll_desc dvb_pll_tua6034 = { .name = "Infineon TUA6034", .min = 44250000, .max = 858000000, .iffreq= 36166667, .count = 3, .set = tua6034_bw, .entries = { { 174500000, 62500, 0xce, 0x01 }, { 230000000, 62500, 0xce, 0x02 }, { 999999999, 62500, 0xce, 0x04 }, }, }; /* ALPS TDED4 * used in Nebula-Cards and USB boxes */ 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; } static struct dvb_pll_desc dvb_pll_tded4 = { .name = "ALPS TDED4", .min = 47000000, .max = 863000000, .iffreq= 36166667, .set = tded4_bw, .count = 4, .entries = { { 153000000, 166667, 0x85, 0x01 }, { 470000000, 166667, 0x85, 0x02 }, { 823000000, 166667, 0x85, 0x08 }, { 999999999, 166667, 0x85, 0x88 }, } }; /* ALPS TDHU2 * used in AverTVHD MCE A180 */ static struct dvb_pll_desc dvb_pll_tdhu2 = { .name = "ALPS TDHU2", .min = 54000000, .max = 864000000, .iffreq= 44000000, .count = 4, .entries = { { 162000000, 62500, 0x85, 0x01 }, { 426000000, 62500, 0x85, 0x02 }, { 782000000, 62500, 0x85, 0x08 }, { 999999999, 62500, 0x85, 0x88 }, } }; /* 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}, { 1450000, 500, 0xc4, 0x40}, { 2050000, 500, 0xc4, 0x80}, { 2150000, 500, 0xc4, 0xc0}, }, }; 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 }, } }; static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf, const struct dvb_frontend_parameters *params) { struct dvb_pll_priv *priv = fe->tuner_priv; struct i2c_msg msg = { .addr = priv->pll_i2c_address, .flags = 0, .buf = buf, .len = 4 }; int result; if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); result = i2c_transfer(priv->i2c, &msg, 1); if (result != 1) printk(KERN_ERR "%s: i2c_transfer failed:%d", __func__, result); buf[2] = 0x9e; buf[3] = 0x90; return; } /* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */ static struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = { .name = "Samsung DTOS403IH102A", .min = 44250000, .max = 858000000, .iffreq = 36125000, .count = 8, .set = samsung_dtos403ih102a_set, .entries = { { 135000000, 62500, 0xbe, 0x01 }, { 177000000, 62500, 0xf6, 0x01 }, { 370000000, 62500, 0xbe, 0x02 }, { 450000000, 62500, 0xf6, 0x02 }, { 466000000, 62500, 0xfe, 0x02 }, { 538000000, 62500, 0xbe, 0x08 }, { 826000000, 62500, 0xf6, 0x08 }, { 999999999, 62500, 0xfe, 0x08 }, } }; /* ----------------------------------------------------------- */ 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_LG_Z201] = &dvb_pll_lg_z201, [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_TDA665X] = &dvb_pll_tda665x, [DVB_PLL_TDED4] = &dvb_pll_tded4, [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_OPERA1] = &dvb_pll_opera1, [DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a, }; /* ----------------------------------------------------------- */ /* 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"); } return fe; } EXPORT_SYMBOL(dvb_pll_attach); MODULE_DESCRIPTION("dvb pll library"); MODULE_AUTHOR("Gerd Knorr"); MODULE_LICENSE("GPL");