An ATSC 8VSB/16VSB and QAM64/256 tuner module. Say Y when you want to
support this frontend.
-config DVB_LGDT3302
- tristate "LGDT3302 based (DViCO FusionHDTV3 Gold)"
+config DVB_LGDT330X
+ tristate "LGDT3302 or LGDT3303 based (DViCO FusionHDTV Gold)"
depends on DVB_CORE
help
An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
obj-$(CONFIG_DVB_OR51132) += or51132.o
obj-$(CONFIG_DVB_BCM3510) += bcm3510.o
obj-$(CONFIG_DVB_S5H1420) += s5h1420.o
-obj-$(CONFIG_DVB_LGDT3302) += lgdt3302.o
+obj-$(CONFIG_DVB_LGDT330X) += lgdt330x.o
+++ /dev/null
-/*
- * Support for LGDT3302 (DViCO FustionHDTV 3 Gold) - VSB/QAM
- *
- * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
- *
- * Based on code from Kirk Lapray <kirk_lapray@bigfoot.com>
- * Copyright (C) 2005
- *
- * 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.
- *
- */
-
-/*
- * NOTES ABOUT THIS DRIVER
- *
- * This driver supports DViCO FusionHDTV 3 Gold under Linux.
- *
- * TODO:
- * BER and signal strength always return 0.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <asm/byteorder.h>
-
-#include "dvb_frontend.h"
-#include "dvb-pll.h"
-#include "lgdt3302_priv.h"
-#include "lgdt3302.h"
-
-static int debug = 0;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug,"Turn on/off lgdt3302 frontend debugging (default:off).");
-#define dprintk(args...) \
-do { \
-if (debug) printk(KERN_DEBUG "lgdt3302: " args); \
-} while (0)
-
-struct lgdt3302_state
-{
- struct i2c_adapter* i2c;
- struct dvb_frontend_ops ops;
-
- /* Configuration settings */
- const struct lgdt3302_config* config;
-
- struct dvb_frontend frontend;
-
- /* Demodulator private data */
- fe_modulation_t current_modulation;
-
- /* Tuner private data */
- u32 current_frequency;
-};
-
-static int i2c_writebytes (struct lgdt3302_state* state,
- u8 addr, /* demod_address or pll_address */
- u8 *buf, /* data bytes to send */
- int len /* number of bytes to send */ )
-{
- u8 tmp[] = { buf[0], buf[1] };
- struct i2c_msg msg =
- { .addr = addr, .flags = 0, .buf = tmp, .len = 2 };
- int err;
- int i;
-
- for (i=1; i<len; i++) {
- tmp[1] = buf[i];
- if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
- printk(KERN_WARNING "lgdt3302: %s error (addr %02x <- %02x, err == %i)\n", __FUNCTION__, addr, buf[0], err);
- if (err < 0)
- return err;
- else
- return -EREMOTEIO;
- }
- tmp[0]++;
- }
- return 0;
-}
-
-#if 0
-static int i2c_readbytes (struct lgdt3302_state* state,
- u8 addr, /* demod_address or pll_address */
- u8 *buf, /* holds data bytes read */
- int len /* number of bytes to read */ )
-{
- struct i2c_msg msg =
- { .addr = addr, .flags = I2C_M_RD, .buf = buf, .len = len };
- int err;
-
- if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
- printk(KERN_WARNING "lgdt3302: %s error (addr %02x, err == %i)\n", __FUNCTION__, addr, err);
- return -EREMOTEIO;
- }
- return 0;
-}
-#endif
-
-/*
- * This routine writes the register (reg) to the demod bus
- * then reads the data returned for (len) bytes.
- */
-
-static u8 i2c_selectreadbytes (struct lgdt3302_state* state,
- enum I2C_REG reg, u8* buf, int len)
-{
- u8 wr [] = { reg };
- struct i2c_msg msg [] = {
- { .addr = state->config->demod_address,
- .flags = 0, .buf = wr, .len = 1 },
- { .addr = state->config->demod_address,
- .flags = I2C_M_RD, .buf = buf, .len = len },
- };
- int ret;
- ret = i2c_transfer(state->i2c, msg, 2);
- if (ret != 2) {
- printk(KERN_WARNING "lgdt3302: %s: addr 0x%02x select 0x%02x error (ret == %i)\n", __FUNCTION__, state->config->demod_address, reg, ret);
- } else {
- ret = 0;
- }
- return ret;
-}
-
-/* Software reset */
-int lgdt3302_SwReset(struct lgdt3302_state* state)
-{
- u8 ret;
- u8 reset[] = {
- IRQ_MASK,
- 0x00 /* bit 6 is active low software reset
- * bits 5-0 are 1 to mask interrupts */
- };
-
- ret = i2c_writebytes(state,
- state->config->demod_address,
- reset, sizeof(reset));
- if (ret == 0) {
- /* spec says reset takes 100 ns why wait */
- /* mdelay(100); */ /* keep low for 100mS */
- reset[1] = 0x7f; /* force reset high (inactive)
- * and unmask interrupts */
- ret = i2c_writebytes(state,
- state->config->demod_address,
- reset, sizeof(reset));
- }
- /* Spec does not indicate a need for this either */
- /*mdelay(5); */ /* wait 5 msec before doing more */
- return ret;
-}
-
-static int lgdt3302_init(struct dvb_frontend* fe)
-{
- /* Hardware reset is done using gpio[0] of cx23880x chip.
- * I'd like to do it here, but don't know how to find chip address.
- * cx88-cards.c arranges for the reset bit to be inactive (high).
- * Maybe there needs to be a callable function in cx88-core or
- * the caller of this function needs to do it. */
-
- dprintk("%s entered\n", __FUNCTION__);
- return lgdt3302_SwReset((struct lgdt3302_state*) fe->demodulator_priv);
-}
-
-static int lgdt3302_read_ber(struct dvb_frontend* fe, u32* ber)
-{
- *ber = 0; /* Dummy out for now */
- return 0;
-}
-
-static int lgdt3302_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
-{
- struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;
- u8 buf[2];
-
- i2c_selectreadbytes(state, PACKET_ERR_COUNTER1, buf, sizeof(buf));
-
- *ucblocks = (buf[0] << 8) | buf[1];
- return 0;
-}
-
-static int lgdt3302_set_parameters(struct dvb_frontend* fe,
- struct dvb_frontend_parameters *param)
-{
- struct lgdt3302_state* state =
- (struct lgdt3302_state*) fe->demodulator_priv;
-
- /* Use 50MHz parameter values from spec sheet since xtal is 50 */
- static u8 top_ctrl_cfg[] = { TOP_CONTROL, 0x03 };
- static u8 vsb_freq_cfg[] = { VSB_CARRIER_FREQ0, 0x00, 0x87, 0x8e, 0x01 };
- static u8 demux_ctrl_cfg[] = { DEMUX_CONTROL, 0xfb };
- static u8 agc_rf_cfg[] = { AGC_RF_BANDWIDTH0, 0x40, 0x93, 0x00 };
- static u8 agc_ctrl_cfg[] = { AGC_FUNC_CTRL2, 0xc6, 0x40 };
- static u8 agc_delay_cfg[] = { AGC_DELAY0, 0x07, 0x00, 0xfe };
- static u8 agc_loop_cfg[] = { AGC_LOOP_BANDWIDTH0, 0x08, 0x9a };
-
- /* Change only if we are actually changing the modulation */
- if (state->current_modulation != param->u.vsb.modulation) {
- switch(param->u.vsb.modulation) {
- case VSB_8:
- dprintk("%s: VSB_8 MODE\n", __FUNCTION__);
-
- /* Select VSB mode and serial MPEG interface */
- top_ctrl_cfg[1] = 0x07;
-
- /* Select ANT connector if supported by card */
- if (state->config->pll_rf_set)
- state->config->pll_rf_set(fe, 1);
- break;
-
- case QAM_64:
- dprintk("%s: QAM_64 MODE\n", __FUNCTION__);
-
- /* Select QAM_64 mode and serial MPEG interface */
- top_ctrl_cfg[1] = 0x04;
-
- /* Select CABLE connector if supported by card */
- if (state->config->pll_rf_set)
- state->config->pll_rf_set(fe, 0);
- break;
-
- case QAM_256:
- dprintk("%s: QAM_256 MODE\n", __FUNCTION__);
-
- /* Select QAM_256 mode and serial MPEG interface */
- top_ctrl_cfg[1] = 0x05;
-
- /* Select CABLE connector if supported by card */
- if (state->config->pll_rf_set)
- state->config->pll_rf_set(fe, 0);
- break;
- default:
- printk(KERN_WARNING "lgdt3302: %s: Modulation type(%d) UNSUPPORTED\n", __FUNCTION__, param->u.vsb.modulation);
- return -1;
- }
- /* Initializations common to all modes */
-
- /* Select the requested mode */
- i2c_writebytes(state, state->config->demod_address,
- top_ctrl_cfg, sizeof(top_ctrl_cfg));
-
- /* Change the value of IFBW[11:0]
- of AGC IF/RF loop filter bandwidth register */
- i2c_writebytes(state, state->config->demod_address,
- agc_rf_cfg, sizeof(agc_rf_cfg));
-
- /* Change the value of bit 6, 'nINAGCBY' and
- 'NSSEL[1:0] of ACG function control register 2 */
- /* Change the value of bit 6 'RFFIX'
- of AGC function control register 3 */
- i2c_writebytes(state, state->config->demod_address,
- agc_ctrl_cfg, sizeof(agc_ctrl_cfg));
-
- /* Change the TPCLK pin polarity
- data is valid on falling clock */
- i2c_writebytes(state, state->config->demod_address,
- demux_ctrl_cfg, sizeof(demux_ctrl_cfg));
-
- /* Change the value of NCOCTFV[25:0] of carrier
- recovery center frequency register */
- i2c_writebytes(state, state->config->demod_address,
- vsb_freq_cfg, sizeof(vsb_freq_cfg));
-
- /* Set the value of 'INLVTHD' register 0x2a/0x2c to 0x7fe */
- i2c_writebytes(state, state->config->demod_address,
- agc_delay_cfg, sizeof(agc_delay_cfg));
-
- /* Change the value of IAGCBW[15:8]
- of inner AGC loop filter bandwith */
- i2c_writebytes(state, state->config->demod_address,
- agc_loop_cfg, sizeof(agc_loop_cfg));
-
- state->config->set_ts_params(fe, 0);
- state->current_modulation = param->u.vsb.modulation;
- }
-
- /* Change only if we are actually changing the channel */
- if (state->current_frequency != param->frequency) {
- u8 buf[5];
-
- /* This must be done before the initialized msg is declared */
- state->config->pll_set(fe, param, buf);
-
- struct i2c_msg msg =
- { .addr = buf[0], .flags = 0, .buf = &buf[1], .len = 4 };
- int err;
-
- dprintk("%s: tuner at 0x%02x bytes: 0x%02x 0x%02x "
- "0x%02x 0x%02x\n", __FUNCTION__,
- buf[0],buf[1],buf[2],buf[3],buf[4]);
- if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
- printk(KERN_WARNING "lgdt3302: %s error (addr %02x <- %02x, err = %i)\n", __FUNCTION__, buf[0], buf[1], err);
- if (err < 0)
- return err;
- else
- return -EREMOTEIO;
- }
-#if 0
- /* Check the status of the tuner pll */
- i2c_readbytes(state, buf[0], &buf[1], 1);
- dprintk("%s: tuner status byte = 0x%02x\n", __FUNCTION__, buf[1]);
-#endif
- /* Update current frequency */
- state->current_frequency = param->frequency;
- }
- lgdt3302_SwReset(state);
- return 0;
-}
-
-static int lgdt3302_get_frontend(struct dvb_frontend* fe,
- struct dvb_frontend_parameters* param)
-{
- struct lgdt3302_state *state = fe->demodulator_priv;
- param->frequency = state->current_frequency;
- return 0;
-}
-
-static int lgdt3302_read_status(struct dvb_frontend* fe, fe_status_t* status)
-{
- struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;
- u8 buf[3];
-
- *status = 0; /* Reset status result */
-
- /*
- * You must set the Mask bits to 1 in the IRQ_MASK in order
- * to see that status bit in the IRQ_STATUS register.
- * This is done in SwReset();
- */
-
- /* AGC status register */
- i2c_selectreadbytes(state, AGC_STATUS, buf, 1);
- dprintk("%s: AGC_STATUS = 0x%02x\n", __FUNCTION__, buf[0]);
- if ((buf[0] & 0x0c) == 0x8){
- /* Test signal does not exist flag */
- /* as well as the AGC lock flag. */
- *status |= FE_HAS_SIGNAL;
- } else {
- /* Without a signal all other status bits are meaningless */
- return 0;
- }
-
- /* signal status */
- i2c_selectreadbytes(state, TOP_CONTROL, buf, sizeof(buf));
- dprintk("%s: TOP_CONTROL = 0x%02x, IRO_MASK = 0x%02x, IRQ_STATUS = 0x%02x\n", __FUNCTION__, buf[0], buf[1], buf[2]);
-
-#if 0
- /* Alternative method to check for a signal */
- /* using the SNR good/bad interrupts. */
- if ((buf[2] & 0x30) == 0x10)
- *status |= FE_HAS_SIGNAL;
-#endif
-
- /* sync status */
- if ((buf[2] & 0x03) == 0x01) {
- *status |= FE_HAS_SYNC;
- }
-
- /* FEC error status */
- if ((buf[2] & 0x0c) == 0x08) {
- *status |= FE_HAS_LOCK;
- *status |= FE_HAS_VITERBI;
- }
-
- /* Carrier Recovery Lock Status Register */
- i2c_selectreadbytes(state, CARRIER_LOCK, buf, 1);
- dprintk("%s: CARRIER_LOCK = 0x%02x\n", __FUNCTION__, buf[0]);
- switch (state->current_modulation) {
- case QAM_256:
- case QAM_64:
- /* Need to undestand why there are 3 lock levels here */
- if ((buf[0] & 0x07) == 0x07)
- *status |= FE_HAS_CARRIER;
- break;
- case VSB_8:
- if ((buf[0] & 0x80) == 0x80)
- *status |= FE_HAS_CARRIER;
- break;
- default:
- printk("KERN_WARNING lgdt3302: %s: Modulation set to unsupported value\n", __FUNCTION__);
- }
-
- return 0;
-}
-
-static int lgdt3302_read_signal_strength(struct dvb_frontend* fe, u16* strength)
-{
- /* not directly available. */
- return 0;
-}
-
-static int lgdt3302_read_snr(struct dvb_frontend* fe, u16* snr)
-{
-#ifdef SNR_IN_DB
- /*
- * Spec sheet shows formula for SNR_EQ = 10 log10(25 * 24**2 / noise)
- * and SNR_PH = 10 log10(25 * 32**2 / noise) for equalizer and phase tracker
- * respectively. The following tables are built on these formulas.
- * The usual definition is SNR = 20 log10(signal/noise)
- * If the specification is wrong the value retuned is 1/2 the actual SNR in db.
- *
- * This table is a an ordered list of noise values computed by the
- * formula from the spec sheet such that the index into the table
- * starting at 43 or 45 is the SNR value in db. There are duplicate noise
- * value entries at the beginning because the SNR varies more than
- * 1 db for a change of 1 digit in noise at very small values of noise.
- *
- * Examples from SNR_EQ table:
- * noise SNR
- * 0 43
- * 1 42
- * 2 39
- * 3 37
- * 4 36
- * 5 35
- * 6 34
- * 7 33
- * 8 33
- * 9 32
- * 10 32
- * 11 31
- * 12 31
- * 13 30
- */
-
- static const u32 SNR_EQ[] =
- { 1, 2, 2, 2, 3, 3, 4, 4, 5, 7,
- 9, 11, 13, 17, 21, 26, 33, 41, 52, 65,
- 81, 102, 129, 162, 204, 257, 323, 406, 511, 644,
- 810, 1020, 1284, 1616, 2035, 2561, 3224, 4059, 5110, 6433,
- 8098, 10195, 12835, 16158, 20341, 25608, 32238, 40585, 51094, 64323,
- 80978, 101945, 128341, 161571, 203406, 256073, 0x40000
- };
-
- static const u32 SNR_PH[] =
- { 1, 2, 2, 2, 3, 3, 4, 5, 6, 8,
- 10, 12, 15, 19, 23, 29, 37, 46, 58, 73,
- 91, 115, 144, 182, 229, 288, 362, 456, 574, 722,
- 909, 1144, 1440, 1813, 2282, 2873, 3617, 4553, 5732, 7216,
- 9084, 11436, 14396, 18124, 22817, 28724, 36161, 45524, 57312, 72151,
- 90833, 114351, 143960, 181235, 228161, 0x040000
- };
-
- static u8 buf[5];/* read data buffer */
- static u32 noise; /* noise value */
- static u32 snr_db; /* index into SNR_EQ[] */
- struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;
-
- /* read both equalizer and pase tracker noise data */
- i2c_selectreadbytes(state, EQPH_ERR0, buf, sizeof(buf));
-
- if (state->current_modulation == VSB_8) {
- /* Equalizer Mean-Square Error Register for VSB */
- noise = ((buf[0] & 7) << 16) | (buf[1] << 8) | buf[2];
-
- /*
- * Look up noise value in table.
- * A better search algorithm could be used...
- * watch out there are duplicate entries.
- */
- for (snr_db = 0; snr_db < sizeof(SNR_EQ); snr_db++) {
- if (noise < SNR_EQ[snr_db]) {
- *snr = 43 - snr_db;
- break;
- }
- }
- } else {
- /* Phase Tracker Mean-Square Error Register for QAM */
- noise = ((buf[0] & 7<<3) << 13) | (buf[3] << 8) | buf[4];
-
- /* Look up noise value in table. */
- for (snr_db = 0; snr_db < sizeof(SNR_PH); snr_db++) {
- if (noise < SNR_PH[snr_db]) {
- *snr = 45 - snr_db;
- break;
- }
- }
- }
-#else
- /* Return the raw noise value */
- static u8 buf[5];/* read data buffer */
- static u32 noise; /* noise value */
- struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;
-
- /* read both equalizer and pase tracker noise data */
- i2c_selectreadbytes(state, EQPH_ERR0, buf, sizeof(buf));
-
- if (state->current_modulation == VSB_8) {
- /* Equalizer Mean-Square Error Register for VSB */
- noise = ((buf[0] & 7) << 16) | (buf[1] << 8) | buf[2];
- } else {
- /* Phase Tracker Mean-Square Error Register for QAM */
- noise = ((buf[0] & 7<<3) << 13) | (buf[3] << 8) | buf[4];
- }
-
- /* Small values for noise mean signal is better so invert noise */
- /* Noise is 19 bit value so discard 3 LSB*/
- *snr = ~noise>>3;
-#endif
-
- dprintk("%s: noise = 0x%05x, snr = %idb\n",__FUNCTION__, noise, *snr);
-
- return 0;
-}
-
-static int lgdt3302_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fe_tune_settings)
-{
- /* I have no idea about this - it may not be needed */
- fe_tune_settings->min_delay_ms = 500;
- fe_tune_settings->step_size = 0;
- fe_tune_settings->max_drift = 0;
- return 0;
-}
-
-static void lgdt3302_release(struct dvb_frontend* fe)
-{
- struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;
- kfree(state);
-}
-
-static struct dvb_frontend_ops lgdt3302_ops;
-
-struct dvb_frontend* lgdt3302_attach(const struct lgdt3302_config* config,
- struct i2c_adapter* i2c)
-{
- struct lgdt3302_state* state = NULL;
- u8 buf[1];
-
- /* Allocate memory for the internal state */
- state = (struct lgdt3302_state*) kmalloc(sizeof(struct lgdt3302_state), GFP_KERNEL);
- if (state == NULL)
- goto error;
- memset(state,0,sizeof(*state));
-
- /* Setup the state */
- state->config = config;
- state->i2c = i2c;
- memcpy(&state->ops, &lgdt3302_ops, sizeof(struct dvb_frontend_ops));
- /* Verify communication with demod chip */
- if (i2c_selectreadbytes(state, 2, buf, 1))
- goto error;
-
- state->current_frequency = -1;
- state->current_modulation = -1;
-
- /* Create dvb_frontend */
- state->frontend.ops = &state->ops;
- state->frontend.demodulator_priv = state;
- return &state->frontend;
-
-error:
- if (state)
- kfree(state);
- dprintk("%s: ERROR\n",__FUNCTION__);
- return NULL;
-}
-
-static struct dvb_frontend_ops lgdt3302_ops = {
- .info = {
- .name= "LG Electronics LGDT3302 VSB/QAM Frontend",
- .type = FE_ATSC,
- .frequency_min= 54000000,
- .frequency_max= 858000000,
- .frequency_stepsize= 62500,
- /* Symbol rate is for all VSB modes need to check QAM */
- .symbol_rate_min = 10762000,
- .symbol_rate_max = 10762000,
- .caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
- },
- .init = lgdt3302_init,
- .set_frontend = lgdt3302_set_parameters,
- .get_frontend = lgdt3302_get_frontend,
- .get_tune_settings = lgdt3302_get_tune_settings,
- .read_status = lgdt3302_read_status,
- .read_ber = lgdt3302_read_ber,
- .read_signal_strength = lgdt3302_read_signal_strength,
- .read_snr = lgdt3302_read_snr,
- .read_ucblocks = lgdt3302_read_ucblocks,
- .release = lgdt3302_release,
-};
-
-MODULE_DESCRIPTION("LGDT3302 [DViCO FusionHDTV 3 Gold] (ATSC 8VSB & ITU-T J.83 AnnexB 64/256 QAM) Demodulator Driver");
-MODULE_AUTHOR("Wilson Michaels");
-MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(lgdt3302_attach);
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * compile-command: "make DVB=1"
- * End:
- */
+++ /dev/null
-/*
- * Support for LGDT3302 (DViCO FustionHDTV 3 Gold) - VSB/QAM
- *
- * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
- *
- * 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.
- *
- */
-
-#ifndef LGDT3302_H
-#define LGDT3302_H
-
-#include <linux/dvb/frontend.h>
-
-struct lgdt3302_config
-{
- /* The demodulator's i2c address */
- u8 demod_address;
-
- /* PLL interface */
- int (*pll_rf_set) (struct dvb_frontend* fe, int index);
- int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pll_address);
-
- /* Need to set device param for start_dma */
- int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
-};
-
-extern struct dvb_frontend* lgdt3302_attach(const struct lgdt3302_config* config,
- struct i2c_adapter* i2c);
-
-#endif /* LGDT3302_H */
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
+++ /dev/null
-/*
- * $Id: lgdt3302_priv.h,v 1.2 2005/06/28 23:50:48 mkrufky Exp $
- *
- * Support for LGDT3302 (DViCO FustionHDTV 3 Gold) - VSB/QAM
- *
- * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
- *
- * 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.
- *
- */
-
-#ifndef _LGDT3302_PRIV_
-#define _LGDT3302_PRIV_
-
-/* i2c control register addresses */
-enum I2C_REG {
- TOP_CONTROL= 0x00,
- IRQ_MASK= 0x01,
- IRQ_STATUS= 0x02,
- VSB_CARRIER_FREQ0= 0x16,
- VSB_CARRIER_FREQ1= 0x17,
- VSB_CARRIER_FREQ2= 0x18,
- VSB_CARRIER_FREQ3= 0x19,
- CARRIER_MSEQAM1= 0x1a,
- CARRIER_MSEQAM2= 0x1b,
- CARRIER_LOCK= 0x1c,
- TIMING_RECOVERY= 0x1d,
- AGC_DELAY0= 0x2a,
- AGC_DELAY1= 0x2b,
- AGC_DELAY2= 0x2c,
- AGC_RF_BANDWIDTH0= 0x2d,
- AGC_RF_BANDWIDTH1= 0x2e,
- AGC_RF_BANDWIDTH2= 0x2f,
- AGC_LOOP_BANDWIDTH0= 0x30,
- AGC_LOOP_BANDWIDTH1= 0x31,
- AGC_FUNC_CTRL1= 0x32,
- AGC_FUNC_CTRL2= 0x33,
- AGC_FUNC_CTRL3= 0x34,
- AGC_RFIF_ACC0= 0x39,
- AGC_RFIF_ACC1= 0x3a,
- AGC_RFIF_ACC2= 0x3b,
- AGC_STATUS= 0x3f,
- SYNC_STATUS_VSB= 0x43,
- EQPH_ERR0= 0x47,
- EQ_ERR1= 0x48,
- EQ_ERR2= 0x49,
- PH_ERR1= 0x4a,
- PH_ERR2= 0x4b,
- DEMUX_CONTROL= 0x66,
- PACKET_ERR_COUNTER1= 0x6a,
- PACKET_ERR_COUNTER2= 0x6b,
-};
-
-#endif /* _LGDT3302_PRIV_ */
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
--- /dev/null
+/*
+ * Support for LGDT3302 & LGDT3303 (DViCO FusionHDTV Gold) - VSB/QAM
+ *
+ * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
+ *
+ * Based on code from Kirk Lapray <kirk_lapray@bigfoot.com>
+ * Copyright (C) 2005
+ *
+ * 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.
+ *
+ */
+
+/*
+ * NOTES ABOUT THIS DRIVER
+ *
+ * This driver supports DViCO FusionHDTV Gold under Linux.
+ *
+ * TODO:
+ * BER and signal strength always return 0.
+ * Include support for LGDT3303
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <asm/byteorder.h>
+
+#include "dvb_frontend.h"
+#include "dvb-pll.h"
+#include "lgdt330x_priv.h"
+#include "lgdt330x.h"
+
+static int debug = 0;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug,"Turn on/off lgdt330x frontend debugging (default:off).");
+#define dprintk(args...) \
+do { \
+if (debug) printk(KERN_DEBUG "lgdt330x: " args); \
+} while (0)
+
+struct lgdt330x_state
+{
+ struct i2c_adapter* i2c;
+ struct dvb_frontend_ops ops;
+
+ /* Configuration settings */
+ const struct lgdt330x_config* config;
+
+ struct dvb_frontend frontend;
+
+ /* Demodulator private data */
+ fe_modulation_t current_modulation;
+
+ /* Tuner private data */
+ u32 current_frequency;
+};
+
+static int i2c_writebytes (struct lgdt330x_state* state,
+ u8 addr, /* demod_address or pll_address */
+ u8 *buf, /* data bytes to send */
+ int len /* number of bytes to send */ )
+{
+ u8 tmp[] = { buf[0], buf[1] };
+ struct i2c_msg msg =
+ { .addr = addr, .flags = 0, .buf = tmp, .len = 2 };
+ int err;
+ int i;
+
+ for (i=1; i<len; i++) {
+ tmp[1] = buf[i];
+ if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
+ printk(KERN_WARNING "lgdt330x: %s error (addr %02x <- %02x, err == %i)\n", __FUNCTION__, addr, buf[0], err);
+ if (err < 0)
+ return err;
+ else
+ return -EREMOTEIO;
+ }
+ tmp[0]++;
+ }
+ return 0;
+}
+
+#if 0
+static int i2c_readbytes (struct lgdt330x_state* state,
+ u8 addr, /* demod_address or pll_address */
+ u8 *buf, /* holds data bytes read */
+ int len /* number of bytes to read */ )
+{
+ struct i2c_msg msg =
+ { .addr = addr, .flags = I2C_M_RD, .buf = buf, .len = len };
+ int err;
+
+ if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
+ printk(KERN_WARNING "lgdt330x: %s error (addr %02x, err == %i)\n", __FUNCTION__, addr, err);
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+#endif
+
+/*
+ * This routine writes the register (reg) to the demod bus
+ * then reads the data returned for (len) bytes.
+ */
+
+static u8 i2c_selectreadbytes (struct lgdt330x_state* state,
+ enum I2C_REG reg, u8* buf, int len)
+{
+ u8 wr [] = { reg };
+ struct i2c_msg msg [] = {
+ { .addr = state->config->demod_address,
+ .flags = 0, .buf = wr, .len = 1 },
+ { .addr = state->config->demod_address,
+ .flags = I2C_M_RD, .buf = buf, .len = len },
+ };
+ int ret;
+ ret = i2c_transfer(state->i2c, msg, 2);
+ if (ret != 2) {
+ printk(KERN_WARNING "lgdt330x: %s: addr 0x%02x select 0x%02x error (ret == %i)\n", __FUNCTION__, state->config->demod_address, reg, ret);
+ } else {
+ ret = 0;
+ }
+ return ret;
+}
+
+/* Software reset */
+int lgdt330x_SwReset(struct lgdt330x_state* state)
+{
+ u8 ret;
+ u8 reset[] = {
+ IRQ_MASK,
+ 0x00 /* bit 6 is active low software reset
+ * bits 5-0 are 1 to mask interrupts */
+ };
+
+ ret = i2c_writebytes(state,
+ state->config->demod_address,
+ reset, sizeof(reset));
+ if (ret == 0) {
+ /* spec says reset takes 100 ns why wait */
+ /* mdelay(100); */ /* keep low for 100mS */
+ reset[1] = 0x7f; /* force reset high (inactive)
+ * and unmask interrupts */
+ ret = i2c_writebytes(state,
+ state->config->demod_address,
+ reset, sizeof(reset));
+ }
+ /* Spec does not indicate a need for this either */
+ /*mdelay(5); */ /* wait 5 msec before doing more */
+ return ret;
+}
+
+static int lgdt330x_init(struct dvb_frontend* fe)
+{
+ /* Hardware reset is done using gpio[0] of cx23880x chip.
+ * I'd like to do it here, but don't know how to find chip address.
+ * cx88-cards.c arranges for the reset bit to be inactive (high).
+ * Maybe there needs to be a callable function in cx88-core or
+ * the caller of this function needs to do it. */
+
+ dprintk("%s entered\n", __FUNCTION__);
+ return lgdt330x_SwReset((struct lgdt330x_state*) fe->demodulator_priv);
+}
+
+static int lgdt330x_read_ber(struct dvb_frontend* fe, u32* ber)
+{
+ *ber = 0; /* Dummy out for now */
+ return 0;
+}
+
+static int lgdt330x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
+{
+ struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;
+ u8 buf[2];
+
+ i2c_selectreadbytes(state, PACKET_ERR_COUNTER1, buf, sizeof(buf));
+
+ *ucblocks = (buf[0] << 8) | buf[1];
+ return 0;
+}
+
+static int lgdt330x_set_parameters(struct dvb_frontend* fe,
+ struct dvb_frontend_parameters *param)
+{
+ struct lgdt330x_state* state =
+ (struct lgdt330x_state*) fe->demodulator_priv;
+
+ /* Use 50MHz parameter values from spec sheet since xtal is 50 */
+ static u8 top_ctrl_cfg[] = { TOP_CONTROL, 0x03 };
+ static u8 vsb_freq_cfg[] = { VSB_CARRIER_FREQ0, 0x00, 0x87, 0x8e, 0x01 };
+ static u8 demux_ctrl_cfg[] = { DEMUX_CONTROL, 0xfb };
+ static u8 agc_rf_cfg[] = { AGC_RF_BANDWIDTH0, 0x40, 0x93, 0x00 };
+ static u8 agc_ctrl_cfg[] = { AGC_FUNC_CTRL2, 0xc6, 0x40 };
+ static u8 agc_delay_cfg[] = { AGC_DELAY0, 0x07, 0x00, 0xfe };
+ static u8 agc_loop_cfg[] = { AGC_LOOP_BANDWIDTH0, 0x08, 0x9a };
+
+ /* Change only if we are actually changing the modulation */
+ if (state->current_modulation != param->u.vsb.modulation) {
+ switch(param->u.vsb.modulation) {
+ case VSB_8:
+ dprintk("%s: VSB_8 MODE\n", __FUNCTION__);
+
+ /* Select VSB mode and serial MPEG interface */
+ top_ctrl_cfg[1] = 0x07;
+
+ /* Select ANT connector if supported by card */
+ if (state->config->pll_rf_set)
+ state->config->pll_rf_set(fe, 1);
+ break;
+
+ case QAM_64:
+ dprintk("%s: QAM_64 MODE\n", __FUNCTION__);
+
+ /* Select QAM_64 mode and serial MPEG interface */
+ top_ctrl_cfg[1] = 0x04;
+
+ /* Select CABLE connector if supported by card */
+ if (state->config->pll_rf_set)
+ state->config->pll_rf_set(fe, 0);
+ break;
+
+ case QAM_256:
+ dprintk("%s: QAM_256 MODE\n", __FUNCTION__);
+
+ /* Select QAM_256 mode and serial MPEG interface */
+ top_ctrl_cfg[1] = 0x05;
+
+ /* Select CABLE connector if supported by card */
+ if (state->config->pll_rf_set)
+ state->config->pll_rf_set(fe, 0);
+ break;
+ default:
+ printk(KERN_WARNING "lgdt330x: %s: Modulation type(%d) UNSUPPORTED\n", __FUNCTION__, param->u.vsb.modulation);
+ return -1;
+ }
+ /* Initializations common to all modes */
+
+ /* Select the requested mode */
+ i2c_writebytes(state, state->config->demod_address,
+ top_ctrl_cfg, sizeof(top_ctrl_cfg));
+
+ /* Change the value of IFBW[11:0]
+ of AGC IF/RF loop filter bandwidth register */
+ i2c_writebytes(state, state->config->demod_address,
+ agc_rf_cfg, sizeof(agc_rf_cfg));
+
+ /* Change the value of bit 6, 'nINAGCBY' and
+ 'NSSEL[1:0] of ACG function control register 2 */
+ /* Change the value of bit 6 'RFFIX'
+ of AGC function control register 3 */
+ i2c_writebytes(state, state->config->demod_address,
+ agc_ctrl_cfg, sizeof(agc_ctrl_cfg));
+
+ /* Change the TPCLK pin polarity
+ data is valid on falling clock */
+ i2c_writebytes(state, state->config->demod_address,
+ demux_ctrl_cfg, sizeof(demux_ctrl_cfg));
+
+ /* Change the value of NCOCTFV[25:0] of carrier
+ recovery center frequency register */
+ i2c_writebytes(state, state->config->demod_address,
+ vsb_freq_cfg, sizeof(vsb_freq_cfg));
+
+ /* Set the value of 'INLVTHD' register 0x2a/0x2c to 0x7fe */
+ i2c_writebytes(state, state->config->demod_address,
+ agc_delay_cfg, sizeof(agc_delay_cfg));
+
+ /* Change the value of IAGCBW[15:8]
+ of inner AGC loop filter bandwith */
+ i2c_writebytes(state, state->config->demod_address,
+ agc_loop_cfg, sizeof(agc_loop_cfg));
+
+ state->config->set_ts_params(fe, 0);
+ state->current_modulation = param->u.vsb.modulation;
+ }
+
+ /* Change only if we are actually changing the channel */
+ if (state->current_frequency != param->frequency) {
+ u8 buf[5];
+ struct i2c_msg msg = { .flags = 0, .buf = &buf[1], .len = 4 };
+ int err;
+
+ state->config->pll_set(fe, param, buf);
+ msg.addr = buf[0];
+
+ dprintk("%s: tuner at 0x%02x bytes: 0x%02x 0x%02x "
+ "0x%02x 0x%02x\n", __FUNCTION__,
+ buf[0],buf[1],buf[2],buf[3],buf[4]);
+ if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
+ printk(KERN_WARNING "lgdt330x: %s error (addr %02x <- %02x, err = %i)\n", __FUNCTION__, buf[0], buf[1], err);
+ if (err < 0)
+ return err;
+ else
+ return -EREMOTEIO;
+ }
+#if 0
+ /* Check the status of the tuner pll */
+ i2c_readbytes(state, buf[0], &buf[1], 1);
+ dprintk("%s: tuner status byte = 0x%02x\n", __FUNCTION__, buf[1]);
+#endif
+ /* Update current frequency */
+ state->current_frequency = param->frequency;
+ }
+ lgdt330x_SwReset(state);
+ return 0;
+}
+
+static int lgdt330x_get_frontend(struct dvb_frontend* fe,
+ struct dvb_frontend_parameters* param)
+{
+ struct lgdt330x_state *state = fe->demodulator_priv;
+ param->frequency = state->current_frequency;
+ return 0;
+}
+
+static int lgdt330x_read_status(struct dvb_frontend* fe, fe_status_t* status)
+{
+ struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;
+ u8 buf[3];
+
+ *status = 0; /* Reset status result */
+
+ /*
+ * You must set the Mask bits to 1 in the IRQ_MASK in order
+ * to see that status bit in the IRQ_STATUS register.
+ * This is done in SwReset();
+ */
+
+ /* AGC status register */
+ i2c_selectreadbytes(state, AGC_STATUS, buf, 1);
+ dprintk("%s: AGC_STATUS = 0x%02x\n", __FUNCTION__, buf[0]);
+ if ((buf[0] & 0x0c) == 0x8){
+ /* Test signal does not exist flag */
+ /* as well as the AGC lock flag. */
+ *status |= FE_HAS_SIGNAL;
+ } else {
+ /* Without a signal all other status bits are meaningless */
+ return 0;
+ }
+
+ /* signal status */
+ i2c_selectreadbytes(state, TOP_CONTROL, buf, sizeof(buf));
+ dprintk("%s: TOP_CONTROL = 0x%02x, IRO_MASK = 0x%02x, IRQ_STATUS = 0x%02x\n", __FUNCTION__, buf[0], buf[1], buf[2]);
+
+#if 0
+ /* Alternative method to check for a signal */
+ /* using the SNR good/bad interrupts. */
+ if ((buf[2] & 0x30) == 0x10)
+ *status |= FE_HAS_SIGNAL;
+#endif
+
+ /* sync status */
+ if ((buf[2] & 0x03) == 0x01) {
+ *status |= FE_HAS_SYNC;
+ }
+
+ /* FEC error status */
+ if ((buf[2] & 0x0c) == 0x08) {
+ *status |= FE_HAS_LOCK;
+ *status |= FE_HAS_VITERBI;
+ }
+
+ /* Carrier Recovery Lock Status Register */
+ i2c_selectreadbytes(state, CARRIER_LOCK, buf, 1);
+ dprintk("%s: CARRIER_LOCK = 0x%02x\n", __FUNCTION__, buf[0]);
+ switch (state->current_modulation) {
+ case QAM_256:
+ case QAM_64:
+ /* Need to undestand why there are 3 lock levels here */
+ if ((buf[0] & 0x07) == 0x07)
+ *status |= FE_HAS_CARRIER;
+ break;
+ case VSB_8:
+ if ((buf[0] & 0x80) == 0x80)
+ *status |= FE_HAS_CARRIER;
+ break;
+ default:
+ printk("KERN_WARNING lgdt330x: %s: Modulation set to unsupported value\n", __FUNCTION__);
+ }
+
+ return 0;
+}
+
+static int lgdt330x_read_signal_strength(struct dvb_frontend* fe, u16* strength)
+{
+ /* not directly available. */
+ return 0;
+}
+
+static int lgdt330x_read_snr(struct dvb_frontend* fe, u16* snr)
+{
+#ifdef SNR_IN_DB
+ /*
+ * Spec sheet shows formula for SNR_EQ = 10 log10(25 * 24**2 / noise)
+ * and SNR_PH = 10 log10(25 * 32**2 / noise) for equalizer and phase tracker
+ * respectively. The following tables are built on these formulas.
+ * The usual definition is SNR = 20 log10(signal/noise)
+ * If the specification is wrong the value retuned is 1/2 the actual SNR in db.
+ *
+ * This table is a an ordered list of noise values computed by the
+ * formula from the spec sheet such that the index into the table
+ * starting at 43 or 45 is the SNR value in db. There are duplicate noise
+ * value entries at the beginning because the SNR varies more than
+ * 1 db for a change of 1 digit in noise at very small values of noise.
+ *
+ * Examples from SNR_EQ table:
+ * noise SNR
+ * 0 43
+ * 1 42
+ * 2 39
+ * 3 37
+ * 4 36
+ * 5 35
+ * 6 34
+ * 7 33
+ * 8 33
+ * 9 32
+ * 10 32
+ * 11 31
+ * 12 31
+ * 13 30
+ */
+
+ static const u32 SNR_EQ[] =
+ { 1, 2, 2, 2, 3, 3, 4, 4, 5, 7,
+ 9, 11, 13, 17, 21, 26, 33, 41, 52, 65,
+ 81, 102, 129, 162, 204, 257, 323, 406, 511, 644,
+ 810, 1020, 1284, 1616, 2035, 2561, 3224, 4059, 5110, 6433,
+ 8098, 10195, 12835, 16158, 20341, 25608, 32238, 40585, 51094, 64323,
+ 80978, 101945, 128341, 161571, 203406, 256073, 0x40000
+ };
+
+ static const u32 SNR_PH[] =
+ { 1, 2, 2, 2, 3, 3, 4, 5, 6, 8,
+ 10, 12, 15, 19, 23, 29, 37, 46, 58, 73,
+ 91, 115, 144, 182, 229, 288, 362, 456, 574, 722,
+ 909, 1144, 1440, 1813, 2282, 2873, 3617, 4553, 5732, 7216,
+ 9084, 11436, 14396, 18124, 22817, 28724, 36161, 45524, 57312, 72151,
+ 90833, 114351, 143960, 181235, 228161, 0x040000
+ };
+
+ static u8 buf[5];/* read data buffer */
+ static u32 noise; /* noise value */
+ static u32 snr_db; /* index into SNR_EQ[] */
+ struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;
+
+ /* read both equalizer and pase tracker noise data */
+ i2c_selectreadbytes(state, EQPH_ERR0, buf, sizeof(buf));
+
+ if (state->current_modulation == VSB_8) {
+ /* Equalizer Mean-Square Error Register for VSB */
+ noise = ((buf[0] & 7) << 16) | (buf[1] << 8) | buf[2];
+
+ /*
+ * Look up noise value in table.
+ * A better search algorithm could be used...
+ * watch out there are duplicate entries.
+ */
+ for (snr_db = 0; snr_db < sizeof(SNR_EQ); snr_db++) {
+ if (noise < SNR_EQ[snr_db]) {
+ *snr = 43 - snr_db;
+ break;
+ }
+ }
+ } else {
+ /* Phase Tracker Mean-Square Error Register for QAM */
+ noise = ((buf[0] & 7<<3) << 13) | (buf[3] << 8) | buf[4];
+
+ /* Look up noise value in table. */
+ for (snr_db = 0; snr_db < sizeof(SNR_PH); snr_db++) {
+ if (noise < SNR_PH[snr_db]) {
+ *snr = 45 - snr_db;
+ break;
+ }
+ }
+ }
+#else
+ /* Return the raw noise value */
+ static u8 buf[5];/* read data buffer */
+ static u32 noise; /* noise value */
+ struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;
+
+ /* read both equalizer and pase tracker noise data */
+ i2c_selectreadbytes(state, EQPH_ERR0, buf, sizeof(buf));
+
+ if (state->current_modulation == VSB_8) {
+ /* Equalizer Mean-Square Error Register for VSB */
+ noise = ((buf[0] & 7) << 16) | (buf[1] << 8) | buf[2];
+ } else {
+ /* Phase Tracker Mean-Square Error Register for QAM */
+ noise = ((buf[0] & 7<<3) << 13) | (buf[3] << 8) | buf[4];
+ }
+
+ /* Small values for noise mean signal is better so invert noise */
+ /* Noise is 19 bit value so discard 3 LSB*/
+ *snr = ~noise>>3;
+#endif
+
+ dprintk("%s: noise = 0x%05x, snr = %idb\n",__FUNCTION__, noise, *snr);
+
+ return 0;
+}
+
+static int lgdt330x_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fe_tune_settings)
+{
+ /* I have no idea about this - it may not be needed */
+ fe_tune_settings->min_delay_ms = 500;
+ fe_tune_settings->step_size = 0;
+ fe_tune_settings->max_drift = 0;
+ return 0;
+}
+
+static void lgdt330x_release(struct dvb_frontend* fe)
+{
+ struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;
+ kfree(state);
+}
+
+static struct dvb_frontend_ops lgdt330x_ops;
+
+struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
+ struct i2c_adapter* i2c)
+{
+ struct lgdt330x_state* state = NULL;
+ u8 buf[1];
+
+ /* Allocate memory for the internal state */
+ state = (struct lgdt330x_state*) kmalloc(sizeof(struct lgdt330x_state), GFP_KERNEL);
+ if (state == NULL)
+ goto error;
+ memset(state,0,sizeof(*state));
+
+ /* Setup the state */
+ state->config = config;
+ state->i2c = i2c;
+ memcpy(&state->ops, &lgdt330x_ops, sizeof(struct dvb_frontend_ops));
+ /* Verify communication with demod chip */
+ if (i2c_selectreadbytes(state, 2, buf, 1))
+ goto error;
+
+ state->current_frequency = -1;
+ state->current_modulation = -1;
+
+ /* Create dvb_frontend */
+ state->frontend.ops = &state->ops;
+ state->frontend.demodulator_priv = state;
+ return &state->frontend;
+
+error:
+ if (state)
+ kfree(state);
+ dprintk("%s: ERROR\n",__FUNCTION__);
+ return NULL;
+}
+
+static struct dvb_frontend_ops lgdt330x_ops = {
+ .info = {
+ .name= "LG Electronics lgdt330x VSB/QAM Frontend",
+ .type = FE_ATSC,
+ .frequency_min= 54000000,
+ .frequency_max= 858000000,
+ .frequency_stepsize= 62500,
+ /* Symbol rate is for all VSB modes need to check QAM */
+ .symbol_rate_min = 10762000,
+ .symbol_rate_max = 10762000,
+ .caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
+ },
+ .init = lgdt330x_init,
+ .set_frontend = lgdt330x_set_parameters,
+ .get_frontend = lgdt330x_get_frontend,
+ .get_tune_settings = lgdt330x_get_tune_settings,
+ .read_status = lgdt330x_read_status,
+ .read_ber = lgdt330x_read_ber,
+ .read_signal_strength = lgdt330x_read_signal_strength,
+ .read_snr = lgdt330x_read_snr,
+ .read_ucblocks = lgdt330x_read_ucblocks,
+ .release = lgdt330x_release,
+};
+
+MODULE_DESCRIPTION("lgdt330x [DViCO FusionHDTV 3 Gold] (ATSC 8VSB & ITU-T J.83 AnnexB 64/256 QAM) Demodulator Driver");
+MODULE_AUTHOR("Wilson Michaels");
+MODULE_LICENSE("GPL");
+
+EXPORT_SYMBOL(lgdt330x_attach);
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * compile-command: "make DVB=1"
+ * End:
+ */
--- /dev/null
+/*
+ * Support for LGDT3302 & LGDT3303 (DViCO FustionHDTV Gold) - VSB/QAM
+ *
+ * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
+ *
+ * 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.
+ *
+ */
+
+#ifndef LGDT330X_H
+#define LGDT330X_H
+
+#include <linux/dvb/frontend.h>
+
+struct lgdt330x_config
+{
+ /* The demodulator's i2c address */
+ u8 demod_address;
+
+ /* PLL interface */
+ int (*pll_rf_set) (struct dvb_frontend* fe, int index);
+ int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pll_address);
+
+ /* Need to set device param for start_dma */
+ int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
+};
+
+extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
+ struct i2c_adapter* i2c);
+
+#endif /* LGDT330X_H */
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */
--- /dev/null
+/*
+ * Support for LGDT3302 & LGDT3303 (DViCO FustionHDTV Gold) - VSB/QAM
+ *
+ * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
+ *
+ * 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.
+ *
+ */
+
+#ifndef _LGDT330X_PRIV_
+#define _LGDT330X_PRIV_
+
+/* i2c control register addresses */
+enum I2C_REG {
+ TOP_CONTROL= 0x00,
+ IRQ_MASK= 0x01,
+ IRQ_STATUS= 0x02,
+ VSB_CARRIER_FREQ0= 0x16,
+ VSB_CARRIER_FREQ1= 0x17,
+ VSB_CARRIER_FREQ2= 0x18,
+ VSB_CARRIER_FREQ3= 0x19,
+ CARRIER_MSEQAM1= 0x1a,
+ CARRIER_MSEQAM2= 0x1b,
+ CARRIER_LOCK= 0x1c,
+ TIMING_RECOVERY= 0x1d,
+ AGC_DELAY0= 0x2a,
+ AGC_DELAY1= 0x2b,
+ AGC_DELAY2= 0x2c,
+ AGC_RF_BANDWIDTH0= 0x2d,
+ AGC_RF_BANDWIDTH1= 0x2e,
+ AGC_RF_BANDWIDTH2= 0x2f,
+ AGC_LOOP_BANDWIDTH0= 0x30,
+ AGC_LOOP_BANDWIDTH1= 0x31,
+ AGC_FUNC_CTRL1= 0x32,
+ AGC_FUNC_CTRL2= 0x33,
+ AGC_FUNC_CTRL3= 0x34,
+ AGC_RFIF_ACC0= 0x39,
+ AGC_RFIF_ACC1= 0x3a,
+ AGC_RFIF_ACC2= 0x3b,
+ AGC_STATUS= 0x3f,
+ SYNC_STATUS_VSB= 0x43,
+ EQPH_ERR0= 0x47,
+ EQ_ERR1= 0x48,
+ EQ_ERR2= 0x49,
+ PH_ERR1= 0x4a,
+ PH_ERR2= 0x4b,
+ DEMUX_CONTROL= 0x66,
+ PACKET_ERR_COUNTER1= 0x6a,
+ PACKET_ERR_COUNTER2= 0x6b,
+};
+
+#endif /* _LGDT330X_PRIV_ */
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */
select DVB_MT352
select DVB_OR51132
select DVB_CX22702
- select DVB_LGDT3302
+ select DVB_LGDT330X
---help---
This adds support for DVB/ATSC cards based on the
Connexant 2388x chip.
ifneq ($(CONFIG_DVB_OR51132),n)
EXTRA_CFLAGS += -DHAVE_OR51132=1
endif
-ifneq ($(CONFIG_DVB_LGDT3302),n)
- EXTRA_CFLAGS += -DHAVE_LGDT3302=1
+ifneq ($(CONFIG_DVB_LGDT330X),n)
+ EXTRA_CFLAGS += -DHAVE_LGDT330X=1
endif
ifneq ($(CONFIG_DVB_MT352),n)
EXTRA_CFLAGS += -DHAVE_MT352=1
/*
- * $Id: cx88-dvb.c,v 1.52 2005/07/24 22:12:47 mkrufky Exp $
+ * $Id: cx88-dvb.c,v 1.54 2005/07/25 05:13:50 mkrufky Exp $
*
* device driver for Conexant 2388x based TV cards
* MPEG Transport Stream (DVB) routines
#include <linux/suspend.h>
#include <linux/config.h>
-
#include "cx88.h"
#include "dvb-pll.h"
#ifdef HAVE_OR51132
# include "or51132.h"
#endif
-#ifdef HAVE_LGDT3302
-# include "lgdt3302.h"
+#ifdef HAVE_LGDT330X
+# include "lgdt330x.h"
#endif
MODULE_DESCRIPTION("driver for cx2388x based DVB cards");
};
#endif
-#ifdef HAVE_LGDT3302
-static int lgdt3302_pll_set(struct dvb_frontend* fe,
+#ifdef HAVE_LGDT330X
+static int lgdt330x_pll_set(struct dvb_frontend* fe,
struct dvb_frontend_parameters* params,
u8* pllbuf)
{
return 0;
}
-static int lgdt3302_pll_rf_set(struct dvb_frontend* fe, int index)
+static int lgdt330x_pll_rf_set(struct dvb_frontend* fe, int index)
{
struct cx8802_dev *dev= fe->dvb->priv;
struct cx88_core *core = dev->core;
return 0;
}
-static int lgdt3302_set_ts_param(struct dvb_frontend* fe, int is_punctured)
+static int lgdt330x_set_ts_param(struct dvb_frontend* fe, int is_punctured)
{
struct cx8802_dev *dev= fe->dvb->priv;
if (is_punctured)
return 0;
}
-static struct lgdt3302_config fusionhdtv_3_gold = {
+static struct lgdt330x_config fusionhdtv_3_gold = {
.demod_address = 0x0e,
- .pll_set = lgdt3302_pll_set,
- .set_ts_params = lgdt3302_set_ts_param,
+ .pll_set = lgdt330x_pll_set,
+ .set_ts_params = lgdt330x_set_ts_param,
};
#endif
&dev->core->i2c_adap);
break;
#endif
-#ifdef HAVE_LGDT3302
+#ifdef HAVE_LGDT330X
case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
dev->ts_gen_cntrl = 0x08;
{
mdelay(200);
/* Select RF connector callback */
- fusionhdtv_3_gold.pll_rf_set = lgdt3302_pll_rf_set;
+ fusionhdtv_3_gold.pll_rf_set = lgdt330x_pll_rf_set;
dev->core->pll_addr = 0x61;
dev->core->pll_desc = &dvb_pll_microtune_4042;
- dev->dvb.frontend = lgdt3302_attach(&fusionhdtv_3_gold,
+ dev->dvb.frontend = lgdt330x_attach(&fusionhdtv_3_gold,
&dev->core->i2c_adap);
}
break;
mdelay(200);
dev->core->pll_addr = 0x61;
dev->core->pll_desc = &dvb_pll_thomson_dtt7611;
- dev->dvb.frontend = lgdt3302_attach(&fusionhdtv_3_gold,
+ dev->dvb.frontend = lgdt330x_attach(&fusionhdtv_3_gold,
&dev->core->i2c_adap);
}
break;
/*
- $Id: cx88-i2c.c,v 1.28 2005/07/05 17:37:35 nsh Exp $
+ $Id: cx88-i2c.c,v 1.30 2005/07/25 05:10:13 mkrufky Exp $
cx88-i2c.c -- all the i2c code is here
};
static char *i2c_devs[128] = {
- [ 0x1c >> 1 ] = "lgdt3302",
+ [ 0x1c >> 1 ] = "lgdt330x",
[ 0x86 >> 1 ] = "tda9887/cx22702",
[ 0xa0 >> 1 ] = "eeprom",
[ 0xc0 >> 1 ] = "tuner (analog)",
projects / openwrt / staging / blogic.git / commitdiff