#include <linux/moduleparam.h>
#include <linux/string.h>
#include <linux/slab.h>
+#include <linux/jiffies.h>
#include <asm/div64.h>
#include "dvb_frontend.h"
struct stv0299_state {
struct i2c_adapter* i2c;
- struct dvb_frontend_ops ops;
const struct stv0299_config* config;
struct dvb_frontend frontend;
int stv0299_writereg (struct dvb_frontend* fe, u8 reg, u8 data)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
return stv0299_writeregI(state, reg, data);
}
static int stv0299_set_symbolrate (struct dvb_frontend* fe, u32 srate)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
u64 big = srate;
u32 ratio;
static int stv0299_send_diseqc_msg (struct dvb_frontend* fe,
struct dvb_diseqc_master_cmd *m)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
u8 val;
int i;
static int stv0299_send_diseqc_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t burst)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
u8 val;
dprintk ("%s\n", __FUNCTION__);
static int stv0299_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
u8 val;
if (stv0299_wait_diseqc_idle (state, 100) < 0)
static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
u8 reg0x08;
u8 reg0x0c;
};
}
-static inline s32 stv0299_calc_usec_delay (struct timeval lasttime, struct timeval curtime)
-{
- return ((curtime.tv_usec < lasttime.tv_usec) ?
- 1000000 - lasttime.tv_usec + curtime.tv_usec :
- curtime.tv_usec - lasttime.tv_usec);
-}
-
-static void stv0299_sleep_until (struct timeval *waketime, u32 add_usec)
-{
- struct timeval lasttime;
- s32 delta, newdelta;
-
- waketime->tv_usec += add_usec;
- if (waketime->tv_usec >= 1000000) {
- waketime->tv_usec -= 1000000;
- waketime->tv_sec++;
- }
-
- do_gettimeofday (&lasttime);
- delta = stv0299_calc_usec_delay (lasttime, *waketime);
- if (delta > 2500) {
- msleep ((delta - 1500) / 1000);
- do_gettimeofday (&lasttime);
- newdelta = stv0299_calc_usec_delay (lasttime, *waketime);
- delta = (newdelta > delta) ? 0 : newdelta;
- }
- if (delta > 0)
- udelay (delta);
-}
-
-static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, u32 cmd)
+static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long cmd)
{
struct stv0299_state* state = fe->demodulator_priv;
u8 reg0x08;
cmd = cmd << 1;
if (debug_legacy_dish_switch)
- printk ("%s switch command: 0x%04x\n",__FUNCTION__, cmd);
+ printk ("%s switch command: 0x%04lx\n",__FUNCTION__, cmd);
do_gettimeofday (&nexttime);
if (debug_legacy_dish_switch)
memcpy (&tv[0], &nexttime, sizeof (struct timeval));
stv0299_writeregI (state, 0x0c, reg0x0c | 0x50); /* set LNB to 18V */
- stv0299_sleep_until (&nexttime, 32000);
+ dvb_frontend_sleep_until(&nexttime, 32000);
for (i=0; i<9; i++) {
if (debug_legacy_dish_switch)
cmd = cmd >> 1;
if (i != 8)
- stv0299_sleep_until (&nexttime, 8000);
+ dvb_frontend_sleep_until(&nexttime, 8000);
}
if (debug_legacy_dish_switch) {
printk ("%s(%d): switch delay (should be 32k followed by all 8k\n",
__FUNCTION__, fe->dvb->num);
- for (i=1; i < 10; i++)
- printk ("%d: %d\n", i, stv0299_calc_usec_delay (tv[i-1] , tv[i]));
+ for (i = 1; i < 10; i++)
+ printk ("%d: %d\n", i, timeval_usec_diff(tv[i-1] , tv[i]));
}
return 0;
static int stv0299_init (struct dvb_frontend* fe)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
int i;
dprintk("stv0299: init chip\n");
for (i=0; !(state->config->inittab[i] == 0xff && state->config->inittab[i+1] == 0xff); i+=2)
stv0299_writeregI(state, state->config->inittab[i], state->config->inittab[i+1]);
- if (state->config->pll_init) {
- stv0299_writeregI(state, 0x05, 0xb5); /* enable i2c repeater on stv0299 */
- state->config->pll_init(fe);
- stv0299_writeregI(state, 0x05, 0x35); /* disable i2c repeater on stv0299 */
- }
-
return 0;
}
static int stv0299_read_status(struct dvb_frontend* fe, fe_status_t* status)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
u8 signal = 0xff - stv0299_readreg (state, 0x18);
u8 sync = stv0299_readreg (state, 0x1b);
static int stv0299_read_ber(struct dvb_frontend* fe, u32* ber)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
if (state->errmode != STATUS_BER) return 0;
*ber = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e);
static int stv0299_read_signal_strength(struct dvb_frontend* fe, u16* strength)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
s32 signal = 0xffff - ((stv0299_readreg (state, 0x18) << 8)
| stv0299_readreg (state, 0x19));
static int stv0299_read_snr(struct dvb_frontend* fe, u16* snr)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
s32 xsnr = 0xffff - ((stv0299_readreg (state, 0x24) << 8)
| stv0299_readreg (state, 0x25));
static int stv0299_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
if (state->errmode != STATUS_UCBLOCKS) *ucblocks = 0;
else *ucblocks = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e);
static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters * p)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
int invval = 0;
dprintk ("%s : FE_SET_FRONTEND\n", __FUNCTION__);
if (state->config->invert) invval = (~invval) & 1;
stv0299_writeregI(state, 0x0c, (stv0299_readreg(state, 0x0c) & 0xfe) | invval);
- if (state->config->enhanced_tuning) {
- /* check if we should do a finetune */
- int frequency_delta = p->frequency - state->tuner_frequency;
- int minmax = p->u.qpsk.symbol_rate / 2000;
- if (minmax < 5000) minmax = 5000;
-
- if ((frequency_delta > -minmax) && (frequency_delta < minmax) && (frequency_delta != 0) &&
- (state->fec_inner == p->u.qpsk.fec_inner) &&
- (state->symbol_rate == p->u.qpsk.symbol_rate)) {
- int Drot_freq = (frequency_delta << 16) / (state->config->mclk / 1000);
-
- // zap the derotator registers first
- stv0299_writeregI(state, 0x22, 0x00);
- stv0299_writeregI(state, 0x23, 0x00);
-
- // now set them as we want
- stv0299_writeregI(state, 0x22, Drot_freq >> 8);
- stv0299_writeregI(state, 0x23, Drot_freq);
- } else {
- /* A "normal" tune is requested */
- stv0299_writeregI(state, 0x05, 0xb5); /* enable i2c repeater on stv0299 */
- state->config->pll_set(fe, p);
- stv0299_writeregI(state, 0x05, 0x35); /* disable i2c repeater on stv0299 */
-
- stv0299_writeregI(state, 0x32, 0x80);
- stv0299_writeregI(state, 0x22, 0x00);
- stv0299_writeregI(state, 0x23, 0x00);
- stv0299_writeregI(state, 0x32, 0x19);
- stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate);
- stv0299_set_FEC (state, p->u.qpsk.fec_inner);
- }
- } else {
- stv0299_writeregI(state, 0x05, 0xb5); /* enable i2c repeater on stv0299 */
- state->config->pll_set(fe, p);
- stv0299_writeregI(state, 0x05, 0x35); /* disable i2c repeater on stv0299 */
-
- stv0299_set_FEC (state, p->u.qpsk.fec_inner);
- stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate);
- stv0299_writeregI(state, 0x22, 0x00);
- stv0299_writeregI(state, 0x23, 0x00);
- stv0299_readreg (state, 0x23);
- stv0299_writeregI(state, 0x12, 0xb9);
+ 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);
}
+ stv0299_set_FEC (state, p->u.qpsk.fec_inner);
+ stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate);
+ stv0299_writeregI(state, 0x22, 0x00);
+ stv0299_writeregI(state, 0x23, 0x00);
+
state->tuner_frequency = p->frequency;
state->fec_inner = p->u.qpsk.fec_inner;
state->symbol_rate = p->u.qpsk.symbol_rate;
static int stv0299_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters * p)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
s32 derot_freq;
int invval;
static int stv0299_sleep(struct dvb_frontend* fe)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
stv0299_writeregI(state, 0x02, 0x80);
state->initialised = 0;
return 0;
}
+static int stv0299_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+{
+ struct stv0299_state* state = fe->demodulator_priv;
+
+ if (enable) {
+ stv0299_writeregI(state, 0x05, 0xb5);
+ } else {
+ stv0299_writeregI(state, 0x05, 0x35);
+ }
+ udelay(1);
+ return 0;
+}
+
static int stv0299_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
{
- struct stv0299_state* state = fe->demodulator_priv;
+ struct stv0299_state* state = fe->demodulator_priv;
fesettings->min_delay_ms = state->config->min_delay_ms;
if (fesettings->parameters.u.qpsk.symbol_rate < 10000000) {
/* setup the state */
state->config = config;
state->i2c = i2c;
- memcpy(&state->ops, &stv0299_ops, sizeof(struct dvb_frontend_ops));
state->initialised = 0;
state->tuner_frequency = 0;
state->symbol_rate = 0;
if (id != 0xa1 && id != 0x80) goto error;
/* create dvb_frontend */
- state->frontend.ops = &state->ops;
- state->frontend.demodulator_priv = state;
+ memcpy(&state->frontend.ops, &stv0299_ops, sizeof(struct dvb_frontend_ops));
+ state->frontend.demodulator_priv = state;
return &state->frontend;
error:
.init = stv0299_init,
.sleep = stv0299_sleep,
+ .i2c_gate_ctrl = stv0299_i2c_gate_ctrl,
.set_frontend = stv0299_set_frontend,
.get_frontend = stv0299_get_frontend,
MODULE_DESCRIPTION("ST STV0299 DVB Demodulator driver");
MODULE_AUTHOR("Ralph Metzler, Holger Waechtler, Peter Schildmann, Felix Domke, "
- "Andreas Oberritter, Andrew de Quincey, Kenneth Aafløy");
+ "Andreas Oberritter, Andrew de Quincey, Kenneth Aafly");
MODULE_LICENSE("GPL");
EXPORT_SYMBOL(stv0299_writereg);
git://git.onelab.eu / linux-2.6.git / blobdiff