summaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb/frontends/dvb-pll.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb/frontends/dvb-pll.c')
-rw-r--r--drivers/media/dvb/frontends/dvb-pll.c820
1 files changed, 0 insertions, 820 deletions
diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c
deleted file mode 100644
index 6d8fe8843237..000000000000
--- a/drivers/media/dvb/frontends/dvb-pll.c
+++ /dev/null
@@ -1,820 +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 void thomson_dtt7520x_bw(struct dvb_frontend *fe, u8 *buf)
-{
- u32 bw = fe->dtv_property_cache.bandwidth_hz;
- if (bw == 8000000)
- buf[3] ^= 0x10;
-}
-
-static struct dvb_pll_desc dvb_pll_thomson_dtt7520x = {
- .name = "Thomson dtt7520x",
- .min = 185000000,
- .max = 900000000,
- .set = thomson_dtt7520x_bw,
- .iffreq = 36166667,
- .count = 7,
- .entries = {
- { 305000000, 166667, 0xb4, 0x12 },
- { 405000000, 166667, 0xbc, 0x12 },
- { 445000000, 166667, 0xbc, 0x12 },
- { 465000000, 166667, 0xf4, 0x18 },
- { 735000000, 166667, 0xfc, 0x18 },
- { 835000000, 166667, 0xbc, 0x18 },
- { 999999999, 166667, 0xfc, 0x18 },
- },
-};
-
-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_THOMSON_DTT7520X] = &dvb_pll_thomson_dtt7520x,
- [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");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-30 00:15:42 +0100