diff options
Diffstat (limited to 'drivers/media/dvb/frontends/dvb-pll.c')
-rw-r--r-- | drivers/media/dvb/frontends/dvb-pll.c | 794 |
1 files changed, 0 insertions, 794 deletions
diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c deleted file mode 100644 index 1ab34838221c..000000000000 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ /dev/null @@ -1,794 +0,0 @@ -/* - * 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/slab.h> -#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); - u8 *initdata; - u8 *initdata2; - 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) -{ - u32 bw = fe->dtv_property_cache.bandwidth_hz; - if (bw == 7000000) - 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) -{ - u32 bw = fe->dtv_property_cache.bandwidth_hz; - if (bw == 8000000) - 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) -{ - u32 bw = fe->dtv_property_cache.bandwidth_hz; - if (bw == 7000000) - 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) -{ - u32 bw = fe->dtv_property_cache.bandwidth_hz; - if (bw == 8000000) - 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) -{ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct dvb_pll_priv *priv = fe->tuner_priv; - u32 b_w = (c->symbol_rate * 27) / 32000; - struct i2c_msg msg = { - .addr = priv->pll_i2c_address, - .flags = 0, - .buf = buf, - .len = 4 - }; - int result; - u8 lpf; - - 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); - - if (b_w <= 10000) - lpf = 0xc; - else if (b_w <= 12000) - lpf = 0x2; - else if (b_w <= 14000) - lpf = 0xa; - else if (b_w <= 16000) - lpf = 0x6; - else if (b_w <= 18000) - lpf = 0xe; - else if (b_w <= 20000) - lpf = 0x1; - else if (b_w <= 22000) - lpf = 0x9; - else if (b_w <= 24000) - lpf = 0x5; - else if (b_w <= 26000) - lpf = 0xd; - else if (b_w <= 28000) - lpf = 0x3; - else - lpf = 0xb; - buf[2] ^= 0x1c; /* Flip bits 3-5 */ - /* Set lpf */ - buf[2] |= ((lpf >> 2) & 0x3) << 3; - buf[3] |= (lpf & 0x3) << 2; - - return; -} - -static struct dvb_pll_desc dvb_pll_opera1 = { - .name = "Opera Tuner", - .min = 900000, - .max = 2250000, - .initdata = (u8[]){ 4, 0x08, 0xe5, 0xe1, 0x00 }, - .initdata2 = (u8[]){ 4, 0x08, 0xe5, 0xe5, 0x00 }, - .iffreq= 0, - .set = opera1_bw, - .count = 8, - .entries = { - { 1064000, 500, 0xf9, 0xc2 }, - { 1169000, 500, 0xf9, 0xe2 }, - { 1299000, 500, 0xf9, 0x20 }, - { 1444000, 500, 0xf9, 0x40 }, - { 1606000, 500, 0xf9, 0x60 }, - { 1777000, 500, 0xf9, 0x80 }, - { 1941000, 500, 0xf9, 0xa0 }, - { 2250000, 500, 0xf9, 0xc0 }, - } -}; - -static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf) -{ - 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 }, - } -}; - -/* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */ -static struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = { - .name = "Samsung TDTC9251DH0", - .min = 48000000, - .max = 863000000, - .iffreq = 36166667, - .count = 3, - .entries = { - { 157500000, 166667, 0xcc, 0x09 }, - { 443000000, 166667, 0xcc, 0x0a }, - { 863000000, 166667, 0xcc, 0x08 }, - } -}; - -/* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */ -static struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = { - .name = "Samsung TBDU18132", - .min = 950000, - .max = 2150000, /* guesses */ - .iffreq = 0, - .count = 2, - .entries = { - { 1550000, 125, 0x84, 0x82 }, - { 4095937, 125, 0x84, 0x80 }, - } - /* TSA5059 PLL has a 17 bit divisor rather than the 15 bits supported - * by this driver. The two extra bits are 0x60 in the third byte. 15 - * bits is enough for over 4 GHz, which is enough to cover the range - * of this tuner. We could use the additional divisor bits by adding - * more entries, e.g. - { 0x0ffff * 125 + 125/2, 125, 0x84 | 0x20, }, - { 0x17fff * 125 + 125/2, 125, 0x84 | 0x40, }, - { 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */ -}; - -/* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */ -static struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = { - .name = "Samsung TBMU24112", - .min = 950000, - .max = 2150000, /* guesses */ - .iffreq = 0, - .count = 2, - .entries = { - { 1500000, 125, 0x84, 0x18 }, - { 9999999, 125, 0x84, 0x08 }, - } -}; - -/* Alps TDEE4 DVB-C NIM, used on Cablestar 2 */ -/* byte 4 : 1 * * AGD R3 R2 R1 R0 - * byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1 - * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95 - * Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5 - * 47 - 153 0 * 0 0 0 0 0 1 0x01 - * 153 - 430 0 * 0 0 0 0 1 0 0x02 - * 430 - 822 0 * 0 0 1 0 0 0 0x08 - * 822 - 862 1 * 0 0 1 0 0 0 0x88 */ -static struct dvb_pll_desc dvb_pll_alps_tdee4 = { - .name = "ALPS TDEE4", - .min = 47000000, - .max = 862000000, - .iffreq = 36125000, - .count = 4, - .entries = { - { 153000000, 62500, 0x95, 0x01 }, - { 430000000, 62500, 0x95, 0x02 }, - { 822000000, 62500, 0x95, 0x08 }, - { 999999999, 62500, 0x95, 0x88 }, - } -}; - -/* ----------------------------------------------------------- */ - -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_TDEE4] = &dvb_pll_alps_tdee4, - [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, - [DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0, - [DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132, - [DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112, -}; - -/* ----------------------------------------------------------- */ -/* code */ - -static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, - const u32 frequency) -{ - struct dvb_pll_priv *priv = fe->tuner_priv; - struct dvb_pll_desc *desc = priv->pll_desc; - u32 div; - int i; - - if (frequency && (frequency < desc->min || frequency > desc->max)) - return -EINVAL; - - for (i = 0; i < desc->count; i++) { - if (frequency > desc->entries[i].limit) - continue; - break; - } - - if (debug) - printk("pll: %s: freq=%d | i=%d/%d\n", desc->name, - frequency, i, desc->count); - if (i == desc->count) - return -EINVAL; - - div = (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); - - 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 dtv_frontend_properties *c = &fe->dtv_property_cache; - 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; - - result = dvb_pll_configure(fe, buf, c->frequency); - if (result < 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 = c->bandwidth_hz; - - return 0; -} - -static int dvb_pll_calc_regs(struct dvb_frontend *fe, - u8 *buf, int buf_len) -{ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct dvb_pll_priv *priv = fe->tuner_priv; - int result; - u32 frequency = 0; - - if (buf_len < 5) - return -EINVAL; - - result = dvb_pll_configure(fe, buf + 1, c->frequency); - if (result < 0) - return result; - else - frequency = result; - - buf[0] = priv->pll_i2c_address; - - priv->frequency = frequency; - priv->bandwidth = c->bandwidth_hz; - - 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); - result = i2c_transfer(priv->i2c, &msg, 1); - if (result != 1) - return result; - if (priv->pll_desc->initdata2) { - msg.buf = priv->pll_desc->initdata2 + 1; - msg.len = priv->pll_desc->initdata2[0]; - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 1); - result = i2c_transfer(priv->i2c, &msg, 1); - if (result != 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"); |