summaryrefslogtreecommitdiffstats
path: root/v4l/kernel-2.6.tmp/dvb-pll.c
diff options
context:
space:
mode:
Diffstat (limited to 'v4l/kernel-2.6.tmp/dvb-pll.c')
-rw-r--r--v4l/kernel-2.6.tmp/dvb-pll.c874
1 files changed, 874 insertions, 0 deletions
diff --git a/v4l/kernel-2.6.tmp/dvb-pll.c b/v4l/kernel-2.6.tmp/dvb-pll.c
new file mode 100644
index 0000000..50c8ee2
--- /dev/null
+++ b/v4l/kernel-2.6.tmp/dvb-pll.c
@@ -0,0 +1,874 @@
+/*
+ * 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 "compat.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 = 0;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable verbose debug messages");
+
+static unsigned int input[DVB_PLL_MAX] = { [ 0 ... (DVB_PLL_MAX-1) ] = 0 };
+module_param_array(input, int, NULL, 0644);
+MODULE_PARM_DESC(input,"specify rf input choice, 0 for autoselect (default)");
+
+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 */
+
+/* Set AGC TOP value to 103 dBuV:
+ 0x80 = Control Byte
+ 0x40 = 250 uA charge pump (irrelevant)
+ 0x18 = Aux Byte to follow
+ 0x06 = 64.5 kHz divider (irrelevant)
+ 0x01 = Disable Vt (aka sleep)
+
+ 0x00 = AGC Time constant 2s Iagc = 300 nA (vs 0x80 = 9 nA)
+ 0x50 = AGC Take over point = 103 dBuV */
+static u8 tua603x_agc103[] = { 2, 0x80|0x40|0x18|0x06|0x01, 0x00|0x50 };
+
+/* 0x04 = 166.67 kHz divider
+
+ 0x80 = AGC Time constant 50ms Iagc = 9 uA
+ 0x20 = AGC Take over point = 112 dBuV */
+static u8 tua603x_agc112[] = { 2, 0x80|0x40|0x18|0x04|0x01, 0x80|0x20 };
+
+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 struct dvb_pll_desc dvb_pll_thomson_dtt7610 = {
+ .name = "Thomson dtt7610",
+ .min = 44000000,
+ .max = 958000000,
+ .iffreq= 44000000,
+ .count = 3,
+ .entries = {
+ { 157250000, 62500, 0x8e, 0x39 },
+ { 454000000, 62500, 0x8e, 0x3a },
+ { 999999999, 62500, 0x8e, 0x3c },
+ },
+};
+
+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_microtune_4042 = {
+ .name = "Microtune 4042 FI5",
+ .min = 57000000,
+ .max = 858000000,
+ .iffreq= 44000000,
+ .count = 3,
+ .entries = {
+ { 162000000, 62500, 0x8e, 0xa1 },
+ { 457000000, 62500, 0x8e, 0x91 },
+ { 999999999, 62500, 0x8e, 0x31 },
+ },
+};
+
+static struct dvb_pll_desc dvb_pll_thomson_dtt761x = {
+ /* DTT 7611 7611A 7612 7613 7613A 7614 7615 7615A */
+ .name = "Thomson dtt761x",
+ .min = 57000000,
+ .max = 863000000,
+ .iffreq= 44000000,
+ .count = 3,
+ .initdata = tua603x_agc103,
+ .entries = {
+ { 147000000, 62500, 0x8e, 0x39 },
+ { 417000000, 62500, 0x8e, 0x3a },
+ { 999999999, 62500, 0x8e, 0x3c },
+ },
+};
+
+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 },
+ },
+};
+
+/* Infineon TUA6034
+ * used in LG TDVS-H061F, LG TDVS-H062F and LG TDVS-H064F
+ */
+static struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = {
+ .name = "LG TDVS-H06xF",
+ .min = 54000000,
+ .max = 863000000,
+ .iffreq= 44000000,
+ .initdata = tua603x_agc103,
+ .count = 3,
+ .entries = {
+ { 165000000, 62500, 0xce, 0x01 },
+ { 450000000, 62500, 0xce, 0x02 },
+ { 999999999, 62500, 0xce, 0x04 },
+ },
+};
+
+/* Philips FMD1216ME
+ * used in Medion Hybrid PCMCIA card and USB Box
+ */
+static void fmd1216me_bw(struct dvb_frontend *fe, u8 *buf,
+ const struct dvb_frontend_parameters *params)
+{
+ if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
+ params->frequency >= 158870000)
+ buf[3] |= 0x08;
+}
+
+static struct dvb_pll_desc dvb_pll_fmd1216me = {
+ .name = "Philips FMD1216ME",
+ .min = 50870000,
+ .max = 858000000,
+ .iffreq= 36125000,
+ .set = fmd1216me_bw,
+ .initdata = tua603x_agc112,
+ .sleepdata = (u8[]){ 4, 0x9c, 0x60, 0x85, 0x54 },
+ .count = 7,
+ .entries = {
+ { 143870000, 166667, 0xbc, 0x41 },
+ { 158870000, 166667, 0xf4, 0x41 },
+ { 329870000, 166667, 0xbc, 0x42 },
+ { 441870000, 166667, 0xf4, 0x42 },
+ { 625870000, 166667, 0xbc, 0x44 },
+ { 803870000, 166667, 0xf4, 0x44 },
+ { 999999999, 166667, 0xfc, 0x44 },
+ }
+};
+
+/* 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 },
+ }
+};
+
+/* Philips TUV1236D
+ * used in ATI HDTV Wonder
+ */
+static void tuv1236d_rf(struct dvb_frontend *fe, u8 *buf,
+ const struct dvb_frontend_parameters *params)
+{
+ struct dvb_pll_priv *priv = fe->tuner_priv;
+ unsigned int new_rf = input[priv->nr];
+
+ if ((new_rf == 0) || (new_rf > 2)) {
+ switch (params->u.vsb.modulation) {
+ case QAM_64:
+ case QAM_256:
+ new_rf = 1;
+ break;
+ case VSB_8:
+ default:
+ new_rf = 2;
+ }
+ }
+
+ switch (new_rf) {
+ case 1:
+ buf[3] |= 0x08;
+ break;
+ case 2:
+ buf[3] &= ~0x08;
+ break;
+ default:
+ printk(KERN_WARNING
+ "%s: unhandled rf input selection: %d",
+ __FUNCTION__, new_rf);
+ }
+}
+
+static struct dvb_pll_desc dvb_pll_tuv1236d = {
+ .name = "Philips TUV1236D",
+ .min = 54000000,
+ .max = 864000000,
+ .iffreq= 44000000,
+ .set = tuv1236d_rf,
+ .count = 3,
+ .entries = {
+ { 157250000, 62500, 0xc6, 0x41 },
+ { 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");
generated by cgit v0.12 at 2024-05-01 14:39:38 (GMT)