-/*
+/*
Driver for Zarlink VP310/MT312 Satellite Channel Decoder
Copyright (C) 2003 Andreas Oberritter <obi@linuxtv.org>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/string.h>
+#include <linux/slab.h>
#include "dvb_frontend.h"
#include "mt312_priv.h"
struct mt312_state {
-
struct i2c_adapter* i2c;
-
- struct dvb_frontend_ops ops;
-
/* configuration settings */
const struct mt312_config* config;
-
struct dvb_frontend frontend;
u8 id;
}
static inline int mt312_readreg(struct mt312_state* state,
- const enum mt312_reg_addr reg, u8 * val)
+ const enum mt312_reg_addr reg, u8 *val)
{
return mt312_read(state, reg, val, 1);
}
return ret;
if ((ret = mt312_read(state, MONITOR_H, buf, sizeof(buf))) < 0)
- return ret;
+ return ret;
monitor = (buf[0] << 8) | buf[1];
dprintk(KERN_DEBUG "*sr(manual) = %lu\n",
(((MT312_PLL_CLK * 8192) / (sym_rat_op + 8192)) *
2) - dec_ratio);
-}
+ }
return 0;
}
*cr = fec_tab[(fec_status >> 4) & 0x07];
return 0;
- }
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+}
static int mt312_initfe(struct dvb_frontend* fe)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 buf[2];
if ((ret = mt312_writereg(state, CS_SW_LIM, 0x69)) < 0)
return ret;
- if (state->config->pll_init) {
- mt312_writereg(state, GPP_CTRL, 0x40);
- state->config->pll_init(fe);
- mt312_writereg(state, GPP_CTRL, 0x00);
- }
-
return 0;
}
static int mt312_send_master_cmd(struct dvb_frontend* fe,
struct dvb_diseqc_master_cmd *c)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 diseqc_mode;
static int mt312_send_burst(struct dvb_frontend* fe, const fe_sec_mini_cmd_t c)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
const u8 mini_tab[2] = { 0x02, 0x03 };
int ret;
static int mt312_set_tone(struct dvb_frontend* fe, const fe_sec_tone_mode_t t)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
const u8 tone_tab[2] = { 0x01, 0x00 };
int ret;
static int mt312_set_voltage(struct dvb_frontend* fe, const fe_sec_voltage_t v)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
const u8 volt_tab[3] = { 0x00, 0x40, 0x00 };
if (v > SEC_VOLTAGE_OFF)
static int mt312_read_status(struct dvb_frontend* fe, fe_status_t *s)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 status[3];
static int mt312_read_ber(struct dvb_frontend* fe, u32 *ber)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 buf[3];
static int mt312_read_signal_strength(struct dvb_frontend* fe, u16 *signal_strength)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 buf[3];
u16 agc;
static int mt312_read_snr(struct dvb_frontend* fe, u16 *snr)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 buf[2];
static int mt312_read_ucblocks(struct dvb_frontend* fe, u32 *ubc)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 buf[2];
static int mt312_set_frontend(struct dvb_frontend* fe,
struct dvb_frontend_parameters *p)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 buf[5], config_val;
u16 sr;
dprintk("%s: Freq %d\n", __FUNCTION__, p->frequency);
- if ((p->frequency < fe->ops->info.frequency_min)
- || (p->frequency > fe->ops->info.frequency_max))
+ if ((p->frequency < fe->ops.info.frequency_min)
+ || (p->frequency > fe->ops.info.frequency_max))
return -EINVAL;
if ((p->inversion < INVERSION_OFF)
|| (p->inversion > INVERSION_ON))
return -EINVAL;
- if ((p->u.qpsk.symbol_rate < fe->ops->info.symbol_rate_min)
- || (p->u.qpsk.symbol_rate > fe->ops->info.symbol_rate_max))
+ if ((p->u.qpsk.symbol_rate < fe->ops.info.symbol_rate_min)
+ || (p->u.qpsk.symbol_rate > fe->ops.info.symbol_rate_max))
return -EINVAL;
if ((p->u.qpsk.fec_inner < FEC_NONE)
case ID_VP310:
// For now we will do this only for the VP310.
// It should be better for the mt312 as well, but tunning will be slower. ACCJr 09/29/03
- if ((ret = mt312_readreg(state, CONFIG, &config_val) < 0))
+ ret = mt312_readreg(state, CONFIG, &config_val);
+ if (ret < 0)
return ret;
if (p->u.qpsk.symbol_rate >= 30000000) //Note that 30MS/s should use 90MHz
{
state->frequency = 90;
if ((ret = mt312_initfe(fe)) < 0)
return ret;
- }
+ }
}
else
{
state->frequency = 60;
if ((ret = mt312_initfe(fe)) < 0)
return ret;
- }
+ }
}
break;
return -EINVAL;
}
- mt312_writereg(state, GPP_CTRL, 0x40);
- state->config->pll_set(fe, p);
- mt312_writereg(state, GPP_CTRL, 0x00);
+ if (fe->ops.tuner_ops.set_params) {
+ fe->ops.tuner_ops.set_params(fe, p);
+ if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
+ }
/* sr = (u16)(sr * 256.0 / 1000000.0) */
sr = mt312_div(p->u.qpsk.symbol_rate * 4, 15625);
if ((ret = mt312_write(state, SYM_RATE_H, buf, sizeof(buf))) < 0)
return ret;
- mt312_reset(state, 0);
+ mt312_reset(state, 0);
return 0;
}
static int mt312_get_frontend(struct dvb_frontend* fe,
struct dvb_frontend_parameters *p)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
int ret;
if ((ret = mt312_get_inversion(state, &p->inversion)) < 0)
return 0;
}
+static int mt312_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+{
+ struct mt312_state* state = fe->demodulator_priv;
+
+ if (enable) {
+ return mt312_writereg(state, GPP_CTRL, 0x40);
+ } else {
+ return mt312_writereg(state, GPP_CTRL, 0x00);
+ }
+}
+
static int mt312_sleep(struct dvb_frontend* fe)
{
- struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 config;
}
static int mt312_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
- {
- fesettings->min_delay_ms = 50;
- fesettings->step_size = 0;
- fesettings->max_drift = 0;
- return 0;
- }
-
-static void mt312_release(struct dvb_frontend* fe)
-{
- struct mt312_state* state = (struct mt312_state*) fe->demodulator_priv;
- kfree(state);
-}
-
-static struct dvb_frontend_ops vp310_mt312_ops;
-
-struct dvb_frontend* vp310_attach(const struct mt312_config* config,
- struct i2c_adapter* i2c)
{
- struct mt312_state* state = NULL;
-
- /* allocate memory for the internal state */
- state = (struct mt312_state*) kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
- if (state == NULL)
- goto error;
-
- /* setup the state */
- state->config = config;
- state->i2c = i2c;
- memcpy(&state->ops, &vp310_mt312_ops, sizeof(struct dvb_frontend_ops));
- strcpy(state->ops.info.name, "Zarlink VP310 DVB-S");
-
- /* check if the demod is there */
- if (mt312_readreg(state, ID, &state->id) < 0)
- goto error;
- if (state->id != ID_VP310) {
- goto error;
- }
-
- /* create dvb_frontend */
- state->frequency = 90;
- state->frontend.ops = &state->ops;
- state->frontend.demodulator_priv = state;
- return &state->frontend;
-
-error:
- if (state)
- kfree(state);
- return NULL;
+ fesettings->min_delay_ms = 50;
+ fesettings->step_size = 0;
+ fesettings->max_drift = 0;
+ return 0;
}
-struct dvb_frontend* mt312_attach(const struct mt312_config* config,
- struct i2c_adapter* i2c)
+static void mt312_release(struct dvb_frontend* fe)
{
- struct mt312_state* state = NULL;
-
- /* allocate memory for the internal state */
- state = (struct mt312_state*) kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
- if (state == NULL)
- goto error;
-
- /* setup the state */
- state->config = config;
- state->i2c = i2c;
- memcpy(&state->ops, &vp310_mt312_ops, sizeof(struct dvb_frontend_ops));
- strcpy(state->ops.info.name, "Zarlink MT312 DVB-S");
-
- /* check if the demod is there */
- if (mt312_readreg(state, ID, &state->id) < 0)
- goto error;
- if (state->id != ID_MT312) {
- goto error;
-}
-
- /* create dvb_frontend */
- state->frequency = 60;
- state->frontend.ops = &state->ops;
- state->frontend.demodulator_priv = state;
- return &state->frontend;
-
-error:
- if (state)
- kfree(state);
- return NULL;
+ struct mt312_state* state = fe->demodulator_priv;
+ kfree(state);
}
static struct dvb_frontend_ops vp310_mt312_ops = {
FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
FE_CAN_FEC_AUTO | FE_CAN_QPSK | FE_CAN_MUTE_TS |
- FE_CAN_RECOVER
+ FE_CAN_RECOVER
},
- .release = mt312_release,
+ .release = mt312_release,
.init = mt312_initfe,
.sleep = mt312_sleep,
+ .i2c_gate_ctrl = mt312_i2c_gate_ctrl,
.set_frontend = mt312_set_frontend,
.get_frontend = mt312_get_frontend,
.set_voltage = mt312_set_voltage,
};
+struct dvb_frontend* vp310_mt312_attach(const struct mt312_config* config,
+ struct i2c_adapter* i2c)
+{
+ struct mt312_state* state = NULL;
+
+ /* allocate memory for the internal state */
+ state = kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
+ if (state == NULL)
+ goto error;
+
+ /* setup the state */
+ state->config = config;
+ state->i2c = i2c;
+
+ /* check if the demod is there */
+ if (mt312_readreg(state, ID, &state->id) < 0)
+ goto error;
+
+ /* create dvb_frontend */
+ memcpy(&state->frontend.ops, &vp310_mt312_ops, sizeof(struct dvb_frontend_ops));
+ state->frontend.demodulator_priv = state;
+
+ switch (state->id) {
+ case ID_VP310:
+ strcpy(state->frontend.ops.info.name, "Zarlink VP310 DVB-S");
+ state->frequency = 90;
+ break;
+ case ID_MT312:
+ strcpy(state->frontend.ops.info.name, "Zarlink MT312 DVB-S");
+ state->frequency = 60;
+ break;
+ default:
+ printk (KERN_WARNING "Only Zarlink VP310/MT312 are supported chips.\n");
+ goto error;
+ }
+
+ return &state->frontend;
+
+error:
+ kfree(state);
+ return NULL;
+}
+
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
MODULE_LICENSE("GPL");
-EXPORT_SYMBOL(mt312_attach);
-EXPORT_SYMBOL(vp310_attach);
+EXPORT_SYMBOL(vp310_mt312_attach);
git://git.onelab.eu / linux-2.6.git / blobdiff