#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;
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;
}
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
{
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;
}
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 = 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 = 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:
- kfree(state);
- return NULL;
-}
-
-struct dvb_frontend* 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;
- 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;
-}
-
static struct dvb_frontend_ops vp310_mt312_ops = {
.info = {
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,
.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