#include <linux/init.h>
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/delay.h>
struct i2c_adapter* i2c;
- struct dvb_frontend_ops ops;
-
const struct sp8870_config* config;
struct dvb_frontend frontend;
int err;
if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
- dprintk ("%s: writereg error (err == %i, reg == 0x%02x, data == 0x%02x)\n", __FUNCTION__, err, reg, data);
+ dprintk ("%s: writereg error (err == %i, reg == 0x%02x, data == 0x%02x)\n", __func__, err, reg, data);
return -EREMOTEIO;
}
ret = i2c_transfer (state->i2c, msg, 2);
if (ret != 2) {
- dprintk("%s: readreg error (ret == %i)\n", __FUNCTION__, ret);
+ dprintk("%s: readreg error (ret == %i)\n", __func__, ret);
return -1;
}
int tx_len;
int err = 0;
- dprintk ("%s: ...\n", __FUNCTION__);
+ dprintk ("%s: ...\n", __func__);
if (fw->size < SP8870_FIRMWARE_SIZE + SP8870_FIRMWARE_OFFSET)
return -EINVAL;
msg.buf = tx_buf;
msg.len = tx_len + 2;
if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
- printk("%s: firmware upload failed!\n", __FUNCTION__);
- printk ("%s: i2c error (err == %i)\n", __FUNCTION__, err);
+ printk("%s: firmware upload failed!\n", __func__);
+ printk ("%s: i2c error (err == %i)\n", __func__, err);
return err;
}
fw_pos += tx_len;
}
- dprintk ("%s: done!\n", __FUNCTION__);
+ dprintk ("%s: done!\n", __func__);
return 0;
};
sp8870_microcontroller_stop(state);
// set tuner parameters
- sp8870_writereg(state, 0x206, 0x001);
- state->config->pll_set(fe, p);
- sp8870_writereg(state, 0x206, 0x000);
+ 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);
+ }
// sample rate correction bit [23..17]
sp8870_writereg(state, 0x0319, 0x000A);
if (state->initialised) return 0;
state->initialised = 1;
- dprintk ("%s\n", __FUNCTION__);
+ dprintk ("%s\n", __func__);
/* request the firmware, this will block until someone uploads it */
printk("sp8870: waiting for firmware upload (%s)...\n", SP8870_DEFAULT_FIRMWARE);
if (state->config->request_firmware(fe, &fw, SP8870_DEFAULT_FIRMWARE)) {
printk("sp8870: no firmware upload (timeout or file not found?)\n");
- release_firmware(fw);
return -EIO;
}
release_firmware(fw);
return -EIO;
}
+ release_firmware(fw);
printk("sp8870: firmware upload complete\n");
/* enable TS output and interface pins */
sp8870_writereg(state, 0x0D00, 0x010);
sp8870_writereg(state, 0x0D01, 0x000);
- /* setup PLL */
- if (state->config->pll_init) {
- sp8870_writereg(state, 0x206, 0x001);
- state->config->pll_init(fe);
- sp8870_writereg(state, 0x206, 0x000);
- }
-
return 0;
}
return 0;
}
-// number of trials to recover from lockup
+/* number of trials to recover from lockup */
#define MAXTRIALS 5
-// maximum checks for data valid signal
+/* maximum checks for data valid signal */
#define MAXCHECKS 100
-// only for debugging: counter for detected lockups
-static int lockups = 0;
-// only for debugging: counter for channel switches
-static int switches = 0;
+/* only for debugging: counter for detected lockups */
+static int lockups;
+/* only for debugging: counter for channel switches */
+static int switches;
static int sp8870_set_frontend (struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
{
int trials = 0;
int check_count = 0;
- dprintk("%s: frequency = %i\n", __FUNCTION__, p->frequency);
+ dprintk("%s: frequency = %i\n", __func__, p->frequency);
for (trials = 1; trials <= MAXTRIALS; trials++) {
valid = sp8870_read_data_valid_signal(state);
if (valid) {
dprintk("%s: delay = %i usec\n",
- __FUNCTION__, check_count * 10);
+ __func__, check_count * 10);
break;
}
udelay(10);
}
if (!valid) {
- printk("%s: firmware crash!!!!!!\n", __FUNCTION__);
+ printk("%s: firmware crash!!!!!!\n", __func__);
return -EIO;
}
if (debug) {
if (valid) {
if (trials > 1) {
- printk("%s: firmware lockup!!!\n", __FUNCTION__);
- printk("%s: recovered after %i trial(s))\n", __FUNCTION__, trials - 1);
+ printk("%s: firmware lockup!!!\n", __func__);
+ printk("%s: recovered after %i trial(s))\n", __func__, trials - 1);
lockups++;
}
}
switches++;
- printk("%s: switches = %i lockups = %i\n", __FUNCTION__, switches, lockups);
+ printk("%s: switches = %i lockups = %i\n", __func__, switches, lockups);
}
return 0;
return 0;
}
+static int sp8870_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+{
+ struct sp8870_state* state = fe->demodulator_priv;
+
+ if (enable) {
+ return sp8870_writereg(state, 0x206, 0x001);
+ } else {
+ return sp8870_writereg(state, 0x206, 0x000);
+ }
+}
+
static void sp8870_release(struct dvb_frontend* fe)
{
struct sp8870_state* state = fe->demodulator_priv;
/* setup the state */
state->config = config;
state->i2c = i2c;
- memcpy(&state->ops, &sp8870_ops, sizeof(struct dvb_frontend_ops));
state->initialised = 0;
/* check if the demod is there */
if (sp8870_readreg(state, 0x0200) < 0) goto error;
/* create dvb_frontend */
- state->frontend.ops = &state->ops;
+ memcpy(&state->frontend.ops, &sp8870_ops, sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
return &state->frontend;
.init = sp8870_init,
.sleep = sp8870_sleep,
+ .i2c_gate_ctrl = sp8870_i2c_gate_ctrl,
.set_frontend = sp8870_set_frontend,
.get_tune_settings = sp8870_get_tune_settings,