/*
- * Support for LGDT3302 (DViCO FustionHDTV 3 Gold) - VSB/QAM
+ * Support for LGDT3302 & LGDT3303 (DViCO FusionHDTV Gold) - VSB/QAM
*
* Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
*
/*
* NOTES ABOUT THIS DRIVER
*
- * This driver supports DViCO FusionHDTV 3 Gold under Linux.
+ * This driver supports DViCO FusionHDTV Gold under Linux.
*
* TODO:
* BER and signal strength always return 0.
+ * Include support for LGDT3303
*
*/
#include "dvb_frontend.h"
#include "dvb-pll.h"
-#include "lgdt3302_priv.h"
-#include "lgdt3302.h"
+#include "lgdt330x_priv.h"
+#include "lgdt330x.h"
static int debug = 0;
module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug,"Turn on/off lgdt3302 frontend debugging (default:off).");
+MODULE_PARM_DESC(debug,"Turn on/off lgdt330x frontend debugging (default:off).");
#define dprintk(args...) \
do { \
-if (debug) printk(KERN_DEBUG "lgdt3302: " args); \
+if (debug) printk(KERN_DEBUG "lgdt330x: " args); \
} while (0)
-struct lgdt3302_state
+struct lgdt330x_state
{
struct i2c_adapter* i2c;
struct dvb_frontend_ops ops;
/* Configuration settings */
- const struct lgdt3302_config* config;
+ const struct lgdt330x_config* config;
struct dvb_frontend frontend;
u32 current_frequency;
};
-static int i2c_writebytes (struct lgdt3302_state* state,
+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 */ )
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);
+ printk(KERN_WARNING "lgdt330x: %s error (addr %02x <- %02x, err == %i)\n", __FUNCTION__, addr, buf[0], err);
if (err < 0)
return err;
else
}
#if 0
-static int i2c_readbytes (struct lgdt3302_state* state,
+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 */ )
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);
+ printk(KERN_WARNING "lgdt330x: %s error (addr %02x, err == %i)\n", __FUNCTION__, addr, err);
return -EREMOTEIO;
}
return 0;
* then reads the data returned for (len) bytes.
*/
-static u8 i2c_selectreadbytes (struct lgdt3302_state* state,
+static u8 i2c_selectreadbytes (struct lgdt330x_state* state,
enum I2C_REG reg, u8* buf, int len)
{
u8 wr [] = { reg };
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);
+ 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;
}
}
/* Software reset */
-int lgdt3302_SwReset(struct lgdt3302_state* state)
+int lgdt330x_SwReset(struct lgdt330x_state* state)
{
u8 ret;
u8 reset[] = {
return ret;
}
-static int lgdt3302_init(struct dvb_frontend* fe)
+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.
* the caller of this function needs to do it. */
dprintk("%s entered\n", __FUNCTION__);
- return lgdt3302_SwReset((struct lgdt3302_state*) fe->demodulator_priv);
+ return lgdt330x_SwReset((struct lgdt330x_state*) fe->demodulator_priv);
}
-static int lgdt3302_read_ber(struct dvb_frontend* fe, u32* ber)
+static int lgdt330x_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)
+static int lgdt330x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
{
- struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;
+ struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;
u8 buf[2];
i2c_selectreadbytes(state, PACKET_ERR_COUNTER1, buf, sizeof(buf));
return 0;
}
-static int lgdt3302_set_parameters(struct dvb_frontend* fe,
+static int lgdt330x_set_parameters(struct dvb_frontend* fe,
struct dvb_frontend_parameters *param)
{
- struct lgdt3302_state* state =
- (struct lgdt3302_state*) fe->demodulator_priv;
+ 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 };
state->config->pll_rf_set(fe, 0);
break;
default:
- printk(KERN_WARNING "lgdt3302: %s: Modulation type(%d) UNSUPPORTED\n", __FUNCTION__, param->u.vsb.modulation);
+ printk(KERN_WARNING "lgdt330x: %s: Modulation type(%d) UNSUPPORTED\n", __FUNCTION__, param->u.vsb.modulation);
return -1;
}
/* Initializations common to all modes */
/* 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;
- /* 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;
+ 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 "lgdt3302: %s error (addr %02x <- %02x, err = %i)\n", __FUNCTION__, buf[0], buf[1], err);
+ printk(KERN_WARNING "lgdt330x: %s error (addr %02x <- %02x, err = %i)\n", __FUNCTION__, buf[0], buf[1], err);
if (err < 0)
return err;
else
/* Update current frequency */
state->current_frequency = param->frequency;
}
- lgdt3302_SwReset(state);
+ lgdt330x_SwReset(state);
return 0;
}
-static int lgdt3302_get_frontend(struct dvb_frontend* fe,
+static int lgdt330x_get_frontend(struct dvb_frontend* fe,
struct dvb_frontend_parameters* param)
{
- struct lgdt3302_state *state = fe->demodulator_priv;
+ struct lgdt330x_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)
+static int lgdt330x_read_status(struct dvb_frontend* fe, fe_status_t* status)
{
- struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;
+ struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;
u8 buf[3];
*status = 0; /* Reset status result */
*status |= FE_HAS_CARRIER;
break;
default:
- printk("KERN_WARNING lgdt3302: %s: Modulation set to unsupported value\n", __FUNCTION__);
+ printk("KERN_WARNING lgdt330x: %s: Modulation set to unsupported value\n", __FUNCTION__);
}
return 0;
}
-static int lgdt3302_read_signal_strength(struct dvb_frontend* fe, u16* strength)
+static int lgdt330x_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)
+static int lgdt330x_read_snr(struct dvb_frontend* fe, u16* snr)
{
#ifdef SNR_IN_DB
/*
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;
+ 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));
/* 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;
+ 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));
return 0;
}
-static int lgdt3302_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fe_tune_settings)
+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;
return 0;
}
-static void lgdt3302_release(struct dvb_frontend* fe)
+static void lgdt330x_release(struct dvb_frontend* fe)
{
- struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;
+ struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv;
kfree(state);
}
-static struct dvb_frontend_ops lgdt3302_ops;
+static struct dvb_frontend_ops lgdt330x_ops;
-struct dvb_frontend* lgdt3302_attach(const struct lgdt3302_config* config,
+struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
struct i2c_adapter* i2c)
{
- struct lgdt3302_state* state = NULL;
+ struct lgdt330x_state* state = NULL;
u8 buf[1];
/* Allocate memory for the internal state */
- state = (struct lgdt3302_state*) kmalloc(sizeof(struct lgdt3302_state), GFP_KERNEL);
+ 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, &lgdt3302_ops, sizeof(struct dvb_frontend_ops));
+ memcpy(&state->ops, &lgdt330x_ops, sizeof(struct dvb_frontend_ops));
/* Verify communication with demod chip */
if (i2c_selectreadbytes(state, 2, buf, 1))
goto error;
return NULL;
}
-static struct dvb_frontend_ops lgdt3302_ops = {
+static struct dvb_frontend_ops lgdt330x_ops = {
.info = {
- .name= "LG Electronics LGDT3302 VSB/QAM Frontend",
+ .name= "LG Electronics lgdt330x VSB/QAM Frontend",
.type = FE_ATSC,
.frequency_min= 54000000,
.frequency_max= 858000000,
.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,
+ .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("LGDT3302 [DViCO FusionHDTV 3 Gold] (ATSC 8VSB & ITU-T J.83 AnnexB 64/256 QAM) Demodulator Driver");
+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(lgdt3302_attach);
+EXPORT_SYMBOL(lgdt330x_attach);
/*
* Local variables:
projects / linux-2.6-omap-h63xx.git / blobdiff