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提交 7f5e02db 编写于 作者: J Johannes Stezenbach 提交者： Linus Torvalds
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[PATCH] dvb: tda1004x: formatting cleanups 

mostly formatting cleanups, no functional change (Andreas Oberritter)
Signed-off-by: NJohannes Stezenbach <js@linuxtv.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 3a4a5711
隐藏空白更改
内联 并排
Showing with 125 addition and 121 deletion
drivers/media/dvb/frontends/tda1004x.c
浏览文件 @ 7f5e02db
......@@ -35,9 +35,10 @@
#include "dvb_frontend.h"
#include "tda1004x.h"
#define TDA1004X_DEMOD_TDA10045 0
#define TDA1004X_DEMOD_TDA10046 1
enum tda1004x_demod {
TDA1004X_DEMOD_TDA10045,
TDA1004X_DEMOD_TDA10046,
};
struct tda1004x_state {
struct i2c_adapter* i2c;
......@@ -46,8 +47,8 @@ struct tda1004x_state {
struct dvb_frontend frontend;
/* private demod data */
u8 initialised:1;
u8 demod_type;
u8 initialised;
enum tda1004x_demod demod_type;
};
......@@ -139,7 +140,7 @@ static int tda1004x_write_byteI(struct tda1004x_state *state, int reg, int data)
{
int ret;
u8 buf[] = { reg, data };
struct i2c_msg msg = { .addr=0, .flags=0, .buf=buf, .len=2 };
struct i2c_msg msg = { .flags = 0, .buf = buf, .len = 2 };
dprintk("%s: reg=0x%x, data=0x%x\n", __FUNCTION__, reg, data);
......@@ -160,8 +161,8 @@ static int tda1004x_read_byte(struct tda1004x_state *state, int reg)
int ret;
u8 b0[] = { reg };
u8 b1[] = { 0 };
struct i2c_msg msg[] = {{ .addr=0, .flags=0, .buf=b0, .len=1},
{ .addr=0, .flags=I2C_M_RD, .buf=b1, .len = 1}};
struct i2c_msg msg[] = {{ .flags = 0, .buf = b0, .len = 1 },
{ .flags = I2C_M_RD, .buf = b1, .len = 1 }};
dprintk("%s: reg=0x%x\n", __FUNCTION__, reg);
......@@ -294,7 +295,7 @@ static int tda1004x_do_upload(struct tda1004x_state *state,
u8 dspCodeCounterReg, u8 dspCodeInReg)
{
u8 buf[65];
struct i2c_msg fw_msg = {.addr = 0,.flags = 0,.buf = buf,.len = 0 };
struct i2c_msg fw_msg = { .flags = 0, .buf = buf, .len = 0 };
int tx_size;
int pos = 0;
......@@ -304,12 +305,10 @@ static int tda1004x_do_upload(struct tda1004x_state *state,
buf[0] = dspCodeInReg;
while (pos != len) {
// work out how much to send this time
tx_size = len - pos;
if (tx_size > 0x10) {
if (tx_size > 0x10)
tx_size = 0x10;
}
// send the chunk
memcpy(buf + 1, mem + pos, tx_size);
......@@ -322,6 +321,7 @@ static int tda1004x_do_upload(struct tda1004x_state *state,
dprintk("%s: fw_pos=0x%x\n", __FUNCTION__, pos);
}
return 0;
}
......@@ -335,9 +335,8 @@ static int tda1004x_check_upload_ok(struct tda1004x_state *state, u8 dspVersion)
data1 = tda1004x_read_byte(state, TDA1004X_DSP_DATA1);
data2 = tda1004x_read_byte(state, TDA1004X_DSP_DATA2);
if (data1 != 0x67 || data2 != dspVersion) {
if ((data1 != 0x67) || (data2 != dspVersion))
return -EIO;
}
return 0;
}
......@@ -348,9 +347,9 @@ static int tda10045_fwupload(struct dvb_frontend* fe)
int ret;
const struct firmware *fw;
/* don't re-upload unless necessary */
if (tda1004x_check_upload_ok(state, 0x2c) == 0) return 0;
if (tda1004x_check_upload_ok(state, 0x2c) == 0)
return 0;
/* request the firmware, this will block until someone uploads it */
printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10045_DEFAULT_FIRMWARE);
......@@ -394,7 +393,8 @@ static int tda10046_fwupload(struct dvb_frontend* fe)
msleep(100);
/* don't re-upload unless necessary */
if (tda1004x_check_upload_ok(state, 0x20) == 0) return 0;
if (tda1004x_check_upload_ok(state, 0x20) == 0)
return 0;
/* request the firmware, this will block until someone uploads it */
printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10046_DEFAULT_FIRMWARE);
......@@ -419,7 +419,7 @@ static int tda10046_fwupload(struct dvb_frontend* fe)
/* wait for DSP to initialise */
timeout = jiffies + HZ;
while(!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) {
while (!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) {
if (time_after(jiffies, timeout)) {
printk("tda1004x: DSP failed to initialised.\n");
return -EIO;
......@@ -483,7 +483,8 @@ static int tda10045_init(struct dvb_frontend* fe)
dprintk("%s\n", __FUNCTION__);
if (state->initialised) return 0;
if (state->initialised)
return 0;
if (tda10045_fwupload(fe)) {
printk("tda1004x: firmware upload failed\n");
......@@ -523,7 +524,8 @@ static int tda10046_init(struct dvb_frontend* fe)
struct tda1004x_state* state = fe->demodulator_priv;
dprintk("%s\n", __FUNCTION__);
if (state->initialised) return 0;
if (state->initialised)
return 0;
if (tda10046_fwupload(fe)) {
printk("tda1004x: firmware upload failed\n");
......@@ -621,12 +623,14 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
// set HP FEC
tmp = tda1004x_encode_fec(fe_params->u.ofdm.code_rate_HP);
if (tmp < 0) return tmp;
if (tmp < 0)
return tmp;
tda1004x_write_mask(state, TDA1004X_IN_CONF2, 7, tmp);
// set LP FEC
tmp = tda1004x_encode_fec(fe_params->u.ofdm.code_rate_LP);
if (tmp < 0) return tmp;
if (tmp < 0)
return tmp;
tda1004x_write_mask(state, TDA1004X_IN_CONF2, 0x38, tmp << 3);
// set constellation
......@@ -671,7 +675,7 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
}
// set bandwidth
switch(state->demod_type) {
switch (state->demod_type) {
case TDA1004X_DEMOD_TDA10045:
tda10045h_set_bandwidth(state, fe_params->u.ofdm.bandwidth);
break;
......@@ -683,7 +687,8 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
// set inversion
inversion = fe_params->inversion;
if (state->config->invert) inversion = inversion ? INVERSION_OFF : INVERSION_ON;
if (state->config->invert)
inversion = inversion ? INVERSION_OFF : INVERSION_ON;
switch (inversion) {
case INVERSION_OFF:
tda1004x_write_mask(state, TDA1004X_CONFC1, 0x20, 0);
......@@ -750,19 +755,19 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
}
// start the lock
switch(state->demod_type) {
switch (state->demod_type) {
case TDA1004X_DEMOD_TDA10045:
tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8);
tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 0);
msleep(10);
break;
case TDA1004X_DEMOD_TDA10046:
tda1004x_write_mask(state, TDA1004X_AUTO, 0x40, 0x40);
msleep(10);
break;
}
msleep(10);
return 0;
}
......@@ -773,13 +778,13 @@ static int tda1004x_get_fe(struct dvb_frontend* fe, struct dvb_frontend_paramete
// inversion status
fe_params->inversion = INVERSION_OFF;
if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20) {
if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20)
fe_params->inversion = INVERSION_ON;
}
if (state->config->invert) fe_params->inversion = fe_params->inversion ? INVERSION_OFF : INVERSION_ON;
if (state->config->invert)
fe_params->inversion = fe_params->inversion ? INVERSION_OFF : INVERSION_ON;
// bandwidth
switch(state->demod_type) {
switch (state->demod_type) {
case TDA1004X_DEMOD_TDA10045:
switch (tda1004x_read_byte(state, TDA10045H_WREF_LSB)) {
case 0x14:
......@@ -830,9 +835,8 @@ static int tda1004x_get_fe(struct dvb_frontend* fe, struct dvb_frontend_paramete
// transmission mode
fe_params->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K;
if (tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x10) {
if (tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x10)
fe_params->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K;
}
// guard interval
switch ((tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x0c) >> 2) {
......@@ -880,30 +884,33 @@ static int tda1004x_read_status(struct dvb_frontend* fe, fe_status_t * fe_status
// read status
status = tda1004x_read_byte(state, TDA1004X_STATUS_CD);
if (status == -1) {
if (status == -1)
return -EIO;
}
// decode
*fe_status = 0;
if (status & 4) *fe_status |= FE_HAS_SIGNAL;
if (status & 2) *fe_status |= FE_HAS_CARRIER;
if (status & 8) *fe_status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
if (status & 4)
*fe_status |= FE_HAS_SIGNAL;
if (status & 2)
*fe_status |= FE_HAS_CARRIER;
if (status & 8)
*fe_status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
// if we don't already have VITERBI (i.e. not LOCKED), see if the viterbi
// is getting anything valid
if (!(*fe_status & FE_HAS_VITERBI)) {
// read the CBER
cber = tda1004x_read_byte(state, TDA1004X_CBER_LSB);
if (cber == -1) return -EIO;
if (cber == -1)
return -EIO;
status = tda1004x_read_byte(state, TDA1004X_CBER_MSB);
if (status == -1) return -EIO;
if (status == -1)
return -EIO;
cber |= (status << 8);
tda1004x_read_byte(state, TDA1004X_CBER_RESET);
if (cber != 65535) {
if (cber != 65535)
*fe_status |= FE_HAS_VITERBI;
}
}
// if we DO have some valid VITERBI output, but don't already have SYNC
......@@ -911,20 +918,22 @@ static int tda1004x_read_status(struct dvb_frontend* fe, fe_status_t * fe_status
if ((*fe_status & FE_HAS_VITERBI) && (!(*fe_status & FE_HAS_SYNC))) {
// read the VBER
vber = tda1004x_read_byte(state, TDA1004X_VBER_LSB);
if (vber == -1) return -EIO;
if (vber == -1)
return -EIO;
status = tda1004x_read_byte(state, TDA1004X_VBER_MID);
if (status == -1) return -EIO;
if (status == -1)
return -EIO;
vber |= (status << 8);
status = tda1004x_read_byte(state, TDA1004X_VBER_MSB);
if (status == -1) return -EIO;
if (status == -1)
return -EIO;
vber |= ((status << 16) & 0x0f);
tda1004x_read_byte(state, TDA1004X_CVBER_LUT);
// if RS has passed some valid TS packets, then we must be
// getting some SYNC bytes
if (vber < 16632) {
if (vber < 16632)
*fe_status |= FE_HAS_SYNC;
}
}
// success
......@@ -941,7 +950,7 @@ static int tda1004x_read_signal_strength(struct dvb_frontend* fe, u16 * signal)
dprintk("%s\n", __FUNCTION__);
// determine the register to use
switch(state->demod_type) {
switch (state->demod_type) {
case TDA1004X_DEMOD_TDA10045:
reg = TDA10045H_S_AGC;
break;
......@@ -972,9 +981,8 @@ static int tda1004x_read_snr(struct dvb_frontend* fe, u16 * snr)
tmp = tda1004x_read_byte(state, TDA1004X_SNR);
if (tmp < 0)
return -EIO;
if (tmp) {
if (tmp)
tmp = 255 - tmp;
}
*snr = ((tmp << 8) | tmp);
dprintk("%s: snr=0x%x\n", __FUNCTION__, *snr);
......@@ -1009,11 +1017,11 @@ static int tda1004x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
break;
}
if (tmp != 0x7f) {
if (tmp != 0x7f)
*ucblocks = tmp;
} else {
else
*ucblocks = 0xffffffff;
}
dprintk("%s: ucblocks=0x%x\n", __FUNCTION__, *ucblocks);
return 0;
}
......@@ -1027,10 +1035,12 @@ static int tda1004x_read_ber(struct dvb_frontend* fe, u32* ber)
// read it in
tmp = tda1004x_read_byte(state, TDA1004X_CBER_LSB);
if (tmp < 0) return -EIO;
if (tmp < 0)
return -EIO;
*ber = tmp << 1;
tmp = tda1004x_read_byte(state, TDA1004X_CBER_MSB);
if (tmp < 0) return -EIO;
if (tmp < 0)
return -EIO;
*ber |= (tmp << 9);
tda1004x_read_byte(state, TDA1004X_CBER_RESET);
......@@ -1042,7 +1052,7 @@ static int tda1004x_sleep(struct dvb_frontend* fe)
{
struct tda1004x_state* state = fe->demodulator_priv;
switch(state->demod_type) {
switch (state->demod_type) {
case TDA1004X_DEMOD_TDA10045:
tda1004x_write_mask(state, TDA1004X_CONFADC1, 0x10, 0x10);
break;
......@@ -1066,74 +1076,11 @@ static int tda1004x_get_tune_settings(struct dvb_frontend* fe, struct dvb_fronte
static void tda1004x_release(struct dvb_frontend* fe)
{
struct tda1004x_state* state = (struct tda1004x_state*) fe->demodulator_priv;
struct tda1004x_state *state = fe->demodulator_priv;
kfree(state);
}
static struct dvb_frontend_ops tda10045_ops;
struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
struct i2c_adapter* i2c)
{
struct tda1004x_state* state = NULL;
/* allocate memory for the internal state */
state = (struct tda1004x_state*) kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
if (state == NULL) goto error;
/* setup the state */
state->config = config;
state->i2c = i2c;
memcpy(&state->ops, &tda10045_ops, sizeof(struct dvb_frontend_ops));
state->initialised = 0;
state->demod_type = TDA1004X_DEMOD_TDA10045;
/* check if the demod is there */
if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x25) goto error;
/* create dvb_frontend */
state->frontend.ops = &state->ops;
state->frontend.demodulator_priv = state;
return &state->frontend;
error:
kfree(state);
return NULL;
}
static struct dvb_frontend_ops tda10046_ops;
struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
struct i2c_adapter* i2c)
{
struct tda1004x_state* state = NULL;
/* allocate memory for the internal state */
state = (struct tda1004x_state*) kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
if (state == NULL) goto error;
/* setup the state */
state->config = config;
state->i2c = i2c;
memcpy(&state->ops, &tda10046_ops, sizeof(struct dvb_frontend_ops));
state->initialised = 0;
state->demod_type = TDA1004X_DEMOD_TDA10046;
/* check if the demod is there */
if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x46) goto error;
/* create dvb_frontend */
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 tda10045_ops = {
.info = {
.name = "Philips TDA10045H DVB-T",
.type = FE_OFDM,
......@@ -1163,8 +1110,36 @@ static struct dvb_frontend_ops tda10045_ops = {
.read_ucblocks = tda1004x_read_ucblocks,
};
static struct dvb_frontend_ops tda10046_ops = {
struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
struct i2c_adapter* i2c)
{
struct tda1004x_state *state;
/* allocate memory for the internal state */
state = kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
if (!state)
return NULL;
/* setup the state */
state->config = config;
state->i2c = i2c;
memcpy(&state->ops, &tda10045_ops, sizeof(struct dvb_frontend_ops));
state->initialised = 0;
state->demod_type = TDA1004X_DEMOD_TDA10045;
/* check if the demod is there */
if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x25) {
kfree(state);
return NULL;
}
/* create dvb_frontend */
state->frontend.ops = &state->ops;
state->frontend.demodulator_priv = state;
return &state->frontend;
}
static struct dvb_frontend_ops tda10046_ops = {
.info = {
.name = "Philips TDA10046H DVB-T",
.type = FE_OFDM,
......@@ -1194,6 +1169,35 @@ static struct dvb_frontend_ops tda10046_ops = {
.read_ucblocks = tda1004x_read_ucblocks,
};
struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
struct i2c_adapter* i2c)
{
struct tda1004x_state *state;
/* allocate memory for the internal state */
state = kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
if (!state)
return NULL;
/* setup the state */
state->config = config;
state->i2c = i2c;
memcpy(&state->ops, &tda10046_ops, sizeof(struct dvb_frontend_ops));
state->initialised = 0;
state->demod_type = TDA1004X_DEMOD_TDA10046;
/* check if the demod is there */
if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x46) {
kfree(state);
return NULL;
}
/* create dvb_frontend */
state->frontend.ops = &state->ops;
state->frontend.demodulator_priv = state;
return &state->frontend;
}
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
......
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