#define CX24120_REG_REVISION 0xff /* Chip revision (ro) */
-
/* Command messages */
enum command_message_id {
CMD_VCO_SET = 0x10, /* cmd.len = 12; */
u8 pilot_val;
};
-
/* Private state */
struct cx24120_state {
struct i2c_adapter *i2c;
struct cx24120_tuning dnxt;
};
-
/* Command message to firmware */
struct cx24120_cmd {
u8 id;
u8 arg[CX24120_MAX_CMD_LEN];
};
-
/* Read single register */
static int cx24120_readreg(struct cx24120_state *state, u8 reg)
{
return buf;
}
-
/* Write single register */
static int cx24120_writereg(struct cx24120_state *state, u8 reg, u8 data)
{
ret = i2c_transfer(state->i2c, &msg, 1);
if (ret != 1) {
err("Write error: i2c_write error(err == %i, 0x%02x: 0x%02x)\n",
- ret, reg, data);
+ ret, reg, data);
return ret;
}
return 0;
}
-
/* Write multiple registers in chunks of i2c_wr_max-sized buffers */
-static int cx24120_writeregN(struct cx24120_state *state,
- u8 reg, const u8 *values, u16 len, u8 incr)
+static int cx24120_writeregs(struct cx24120_state *state,
+ u8 reg, const u8 *values, u16 len, u8 incr)
{
int ret;
u16 max = state->config->i2c_wr_max > 0 ?
};
msg.buf = kmalloc(max + 1, GFP_KERNEL);
- if (msg.buf == NULL)
+ if (!msg.buf)
return -ENOMEM;
while (len) {
dev_dbg(&state->i2c->dev,
"%s: reg=0x%02x; data=%*ph\n",
- __func__, reg, msg.len, msg.buf+1);
+ __func__, reg, msg.len, msg.buf + 1);
}
ret = 0;
return ret;
}
-
static struct dvb_frontend_ops cx24120_ops;
struct dvb_frontend *cx24120_attach(const struct cx24120_config *config,
- struct i2c_adapter *i2c)
+ struct i2c_adapter *i2c)
{
- struct cx24120_state *state = NULL;
+ struct cx24120_state *state;
int demod_rev;
info("Conexant cx24120/cx24118 - DVBS/S2 Satellite demod/tuner\n");
- state = kzalloc(sizeof(struct cx24120_state), GFP_KERNEL);
- if (state == NULL) {
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (!state) {
err("Unable to allocate memory for cx24120_state\n");
goto error;
}
info("Demod cx24120 rev. 0x05 detected.\n");
break;
default:
- err("Unsupported demod revision: 0x%x detected.\n",
- demod_rev);
+ err("Unsupported demod revision: 0x%x detected.\n", demod_rev);
goto error;
}
return err;
}
-
static int cx24120_read_snr(struct dvb_frontend *fe, u16 *snr)
{
struct cx24120_state *state = fe->demodulator_priv;
- *snr = (cx24120_readreg(state, CX24120_REG_QUALITY_H)<<8) |
+ *snr = (cx24120_readreg(state, CX24120_REG_QUALITY_H) << 8) |
(cx24120_readreg(state, CX24120_REG_QUALITY_L));
- dev_dbg(&state->i2c->dev, "%s: read SNR index = %d\n",
- __func__, *snr);
+ dev_dbg(&state->i2c->dev, "%s: read SNR index = %d\n", __func__, *snr);
return 0;
}
-
static int cx24120_read_ber(struct dvb_frontend *fe, u32 *ber)
{
struct cx24120_state *state = fe->demodulator_priv;
*ber = (cx24120_readreg(state, CX24120_REG_BER_HH) << 24) |
(cx24120_readreg(state, CX24120_REG_BER_HL) << 16) |
- (cx24120_readreg(state, CX24120_REG_BER_LH) << 8) |
+ (cx24120_readreg(state, CX24120_REG_BER_LH) << 8) |
cx24120_readreg(state, CX24120_REG_BER_LL);
- dev_dbg(&state->i2c->dev, "%s: read BER index = %d\n",
- __func__, *ber);
+ dev_dbg(&state->i2c->dev, "%s: read BER index = %d\n", __func__, *ber);
return 0;
}
static int cx24120_msg_mpeg_output_global_config(struct cx24120_state *state,
- u8 flag);
+ u8 flag);
/* Check if we're running a command that needs to disable mpeg out */
static void cx24120_check_cmd(struct cx24120_state *state, u8 id)
}
}
-
/* Send a message to the firmware */
static int cx24120_message_send(struct cx24120_state *state,
- struct cx24120_cmd *cmd)
+ struct cx24120_cmd *cmd)
{
int ret, ficus;
}
ret = cx24120_writereg(state, CX24120_REG_CMD_START, cmd->id);
- ret = cx24120_writeregN(state, CX24120_REG_CMD_ARGS, &cmd->arg[0],
+ ret = cx24120_writeregs(state, CX24120_REG_CMD_ARGS, &cmd->arg[0],
cmd->len, 1);
ret = cx24120_writereg(state, CX24120_REG_CMD_END, 0x01);
/* Send a message and fill arg[] with the results */
static int cx24120_message_sendrcv(struct cx24120_state *state,
- struct cx24120_cmd *cmd, u8 numreg)
+ struct cx24120_cmd *cmd, u8 numreg)
{
int ret, i;
/* Read numreg registers starting from register cmd->len */
for (i = 0; i < numreg; i++)
- cmd->arg[i] = cx24120_readreg(state, (cmd->len+i+1));
+ cmd->arg[i] = cx24120_readreg(state, (cmd->len + i + 1));
return 0;
}
-
-
static int cx24120_read_signal_strength(struct dvb_frontend *fe,
- u16 *signal_strength)
+ u16 *signal_strength)
{
struct cx24120_state *state = fe->demodulator_priv;
struct cx24120_cmd cmd;
sigstr_h = (cx24120_readreg(state, CX24120_REG_SIGSTR_H) >> 6) << 8;
sigstr_l = cx24120_readreg(state, CX24120_REG_SIGSTR_L);
dev_dbg(&state->i2c->dev, "%s: Signal strength from firmware= 0x%x\n",
- __func__, (sigstr_h | sigstr_l));
+ __func__, (sigstr_h | sigstr_l));
/* cooked */
*signal_strength = ((sigstr_h | sigstr_l) << 5) & 0x0000ffff;
dev_dbg(&state->i2c->dev, "%s: Signal strength= 0x%x\n",
- __func__, *signal_strength);
+ __func__, *signal_strength);
return 0;
}
-
static int cx24120_msg_mpeg_output_global_config(struct cx24120_state *state,
- u8 enable)
+ u8 enable)
{
struct cx24120_cmd cmd;
int ret;
if (ret != 0) {
dev_dbg(&state->i2c->dev,
"%s: Failed to set MPEG output to %s\n",
- __func__,
- (enable)?"enabled":"disabled");
+ __func__, enable ? "enabled" : "disabled");
return ret;
}
state->mpeg_enabled = enable;
dev_dbg(&state->i2c->dev, "%s: MPEG output %s\n",
- __func__,
- (enable)?"enabled":"disabled");
+ __func__, enable ? "enabled" : "disabled");
return 0;
}
-
static int cx24120_msg_mpeg_output_config(struct cx24120_state *state, u8 seq)
{
struct cx24120_cmd cmd;
cmd.id = CMD_MPEG_INIT;
cmd.len = 7;
- cmd.arg[0] = seq; /* sequental number - can be 0,1,2 */
+ cmd.arg[0] = seq; /* sequental number - can be 0,1,2 */
cmd.arg[1] = ((i.x1 & 0x01) << 1) | ((i.x1 >> 1) & 0x01);
cmd.arg[2] = 0x05;
cmd.arg[3] = 0x02;
return cx24120_message_send(state, &cmd);
}
-
static int cx24120_diseqc_send_burst(struct dvb_frontend *fe,
- fe_sec_mini_cmd_t burst)
+ fe_sec_mini_cmd_t burst)
{
struct cx24120_state *state = fe->demodulator_priv;
struct cx24120_cmd cmd;
cmd.arg[0] = 0x00;
if (burst)
cmd.arg[1] = 0x01;
+
dev_dbg(&state->i2c->dev, "%s: burst sent.\n", __func__);
return cx24120_message_send(state, &cmd);
}
-
static int cx24120_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
{
struct cx24120_state *state = fe->demodulator_priv;
struct cx24120_cmd cmd;
- dev_dbg(&state->i2c->dev, "%s(%d)\n",
- __func__, tone);
+ dev_dbg(&state->i2c->dev, "%s(%d)\n", __func__, tone);
if ((tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF)) {
err("Invalid tone=%d\n", tone);
cmd.arg[0] = 0x00;
cmd.arg[1] = 0x00;
cmd.arg[2] = 0x00;
- cmd.arg[3] = (tone == SEC_TONE_ON)?0x01:0x00;
+ cmd.arg[3] = (tone == SEC_TONE_ON) ? 0x01 : 0x00;
return cx24120_message_send(state, &cmd);
}
-
static int cx24120_set_voltage(struct dvb_frontend *fe,
- fe_sec_voltage_t voltage)
+ fe_sec_voltage_t voltage)
{
struct cx24120_state *state = fe->demodulator_priv;
struct cx24120_cmd cmd;
- dev_dbg(&state->i2c->dev, "%s(%d)\n",
- __func__, voltage);
+ dev_dbg(&state->i2c->dev, "%s(%d)\n", __func__, voltage);
cmd.id = CMD_SETVOLTAGE;
cmd.len = 2;
cmd.arg[0] = 0x00;
- cmd.arg[1] = (voltage == SEC_VOLTAGE_18)?0x01:0x00;
+ cmd.arg[1] = (voltage == SEC_VOLTAGE_18) ? 0x01 : 0x00;
return cx24120_message_send(state, &cmd);
}
-
static int cx24120_send_diseqc_msg(struct dvb_frontend *fe,
- struct dvb_diseqc_master_cmd *d)
+ struct dvb_diseqc_master_cmd *d)
{
struct cx24120_state *state = fe->demodulator_priv;
struct cx24120_cmd cmd;
return -ETIMEDOUT;
}
-
/* Read current tuning status */
static int cx24120_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
return 0;
}
-
/* FEC & modulation lookup table
* Used for decoding the REG_FECMODE register
* once tuned in.
{ SYS_DVBS2, PSK_8, FEC_9_10, 0x11 },
};
-
/* Retrieve current fec, modulation & pilot values */
static int cx24120_get_fec(struct dvb_frontend *fe)
{
struct cx24120_state *state = fe->demodulator_priv;
int idx;
int ret;
- int GettedFEC;
+ int fec;
dev_dbg(&state->i2c->dev, "%s()\n", __func__);
ret = cx24120_readreg(state, CX24120_REG_FECMODE);
- GettedFEC = ret & 0x3f; /* Lower 6 bits */
+ fec = ret & 0x3f; /* Lower 6 bits */
- dev_dbg(&state->i2c->dev, "%s: Get FEC: %d\n", __func__, GettedFEC);
+ dev_dbg(&state->i2c->dev, "%s: Get FEC: %d\n", __func__, fec);
for (idx = 0; idx < ARRAY_SIZE(modfec_lookup_table); idx++) {
if (modfec_lookup_table[idx].delsys != state->dcur.delsys)
continue;
- if (modfec_lookup_table[idx].val != GettedFEC)
+ if (modfec_lookup_table[idx].val != fec)
continue;
break; /* found */
return 0;
}
-
/* Clock ratios lookup table
*
* Values obtained from much larger table in old driver
{ SYS_DVBS, PILOT_OFF, QPSK, FEC_7_8, 1068144, 610368, 448 },
};
-
/* Set clock ratio from lookup table */
static void cx24120_set_clock_ratios(struct dvb_frontend *fe)
{
cx24120_message_send(state, &cmd);
}
-
/* Set inversion value */
static int cx24120_set_inversion(struct cx24120_state *state,
- fe_spectral_inversion_t inversion)
+ fe_spectral_inversion_t inversion)
{
- dev_dbg(&state->i2c->dev, "%s(%d)\n",
- __func__, inversion);
+ dev_dbg(&state->i2c->dev, "%s(%d)\n", __func__, inversion);
switch (inversion) {
case INVERSION_OFF:
};
/* Set fec_val & fec_mask values from delsys, modulation & fec */
-static int cx24120_set_fec(struct cx24120_state *state,
- fe_modulation_t mod, fe_code_rate_t fec)
+static int cx24120_set_fec(struct cx24120_state *state, fe_modulation_t mod,
+ fe_code_rate_t fec)
{
int idx;
- dev_dbg(&state->i2c->dev,
- "%s(0x%02x,0x%02x)\n", __func__, mod, fec);
+ dev_dbg(&state->i2c->dev, "%s(0x%02x,0x%02x)\n", __func__, mod, fec);
state->dnxt.fec = fec;
return 0;
}
-
/* Set pilot */
-static int cx24120_set_pilot(struct cx24120_state *state,
- fe_pilot_t pilot) {
-
+static int cx24120_set_pilot(struct cx24120_state *state, fe_pilot_t pilot)
+{
dev_dbg(&state->i2c->dev, "%s(%d)\n", __func__, pilot);
/* Pilot only valid in DVBS2 */
return 0;
}
-
/* Overwrite the current tuning params, we are about to tune */
static void cx24120_clone_params(struct dvb_frontend *fe)
{
state->dcur = state->dnxt;
}
-
/* Table of time to tune for different symrates */
static struct cx24120_symrate_delay {
fe_delivery_system_t delsys;
{ SYS_DVBS2, 0, 15000 },
};
-
static int cx24120_set_frontend(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
cmd.arg[1] = (state->dcur.frequency & 0xff0000) >> 16;
cmd.arg[2] = (state->dcur.frequency & 0x00ff00) >> 8;
cmd.arg[3] = (state->dcur.frequency & 0x0000ff);
- cmd.arg[4] = ((state->dcur.symbol_rate/1000) & 0xff00) >> 8;
- cmd.arg[5] = ((state->dcur.symbol_rate/1000) & 0x00ff);
+ cmd.arg[4] = ((state->dcur.symbol_rate / 1000) & 0xff00) >> 8;
+ cmd.arg[5] = ((state->dcur.symbol_rate / 1000) & 0x00ff);
cmd.arg[6] = state->dcur.inversion;
cmd.arg[7] = state->dcur.fec_val | state->dcur.pilot_val;
cmd.arg[8] = CX24120_SEARCH_RANGE_KHZ >> 8;
return 0;
}
-
/* Calculate vco from config */
static u64 cx24120_calculate_vco(struct cx24120_state *state)
{
return inv_vco;
}
-
int cx24120_init(struct dvb_frontend *fe)
{
const struct firmware *fw;
ret = state->config->request_firmware(fe, &fw, CX24120_FIRMWARE);
if (ret) {
- err("Could not load firmware (%s): %d\n",
- CX24120_FIRMWARE, ret);
+ err("Could not load firmware (%s): %d\n", CX24120_FIRMWARE,
+ ret);
return ret;
}
ret = cx24120_writereg(state, 0xf7, 0x81);
ret = cx24120_writereg(state, 0xf8, 0x00);
ret = cx24120_writereg(state, 0xf9, 0x00);
- ret = cx24120_writeregN(state, 0xfa, fw->data, (fw->size - 1), 0x00);
+ ret = cx24120_writeregs(state, 0xfa, fw->data, (fw->size - 1), 0x00);
ret = cx24120_writereg(state, 0xf7, 0xc0);
ret = cx24120_writereg(state, 0xe0, 0x00);
ret = (fw->size - 2) & 0x00ff;
if (reset_result != 0)
return reset_result;
-
/* Start tuner */
cmd.id = CMD_START_TUNER;
cmd.len = 3;
return -EREMOTEIO;
}
-
/* set bandwidth */
cmd.id = CMD_BANDWIDTH;
cmd.len = 12;
}
dev_dbg(&state->i2c->dev, "%s: Tuner initialised correctly.\n",
- __func__);
-
+ __func__);
/* Initialise mpeg outputs */
ret = cx24120_writereg(state, 0xeb, 0x0a);
return -EREMOTEIO;
}
-
/* ???? */
cmd.id = CMD_TUNER_INIT;
cmd.len = 3;
return -EREMOTEIO;
}
-
/* Firmware CMD 35: Get firmware version */
cmd.id = CMD_FWVERSION;
cmd.len = 1;
return 0;
}
-
static int cx24120_tune(struct dvb_frontend *fe, bool re_tune,
- unsigned int mode_flags, unsigned int *delay, fe_status_t *status)
+ unsigned int mode_flags, unsigned int *delay,
+ fe_status_t *status)
{
struct cx24120_state *state = fe->demodulator_priv;
int ret;
return cx24120_read_status(fe, status);
}
-
-
static int cx24120_get_algo(struct dvb_frontend *fe)
{
return DVBFE_ALGO_HW;
}
-
static int cx24120_sleep(struct dvb_frontend *fe)
{
return 0;
}
-
-/*static int cx24120_wakeup(struct dvb_frontend *fe)
- * {
- * return 0;
- * }
-*/
-
-
static int cx24120_get_frontend(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
return 0;
}
-
static void cx24120_release(struct dvb_frontend *fe)
{
struct cx24120_state *state = fe->demodulator_priv;
kfree(state);
}
-
static int cx24120_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
struct cx24120_state *state = fe->demodulator_priv;
*ucblocks = (cx24120_readreg(state, CX24120_REG_UCB_H) << 8) |
cx24120_readreg(state, CX24120_REG_UCB_L);
- dev_dbg(&state->i2c->dev, "%s: Blocks = %d\n",
- __func__, *ucblocks);
+ dev_dbg(&state->i2c->dev, "%s: Blocks = %d\n", __func__, *ucblocks);
return 0;
}
-
static struct dvb_frontend_ops cx24120_ops = {
.delsys = { SYS_DVBS, SYS_DVBS2 },
.info = {
projects / deliverable / linux.git / commitdiff
