[PATCH] dvb: tda1004x: formatting cleanups
mostly formatting cleanups, no functional change (Andreas Oberritter) Signed-off-by: Johannes Stezenbach <js@linuxtv.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Johannes Stezenbach
Linus Torvalds
parent
3a4a571124
commit
7f5e02db4a
1 changed files with 125 additions and 121 deletions
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@ -35,9 +35,10 @@
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#include "dvb_frontend.h"
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#include "tda1004x.h"
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#define TDA1004X_DEMOD_TDA10045 0
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#define TDA1004X_DEMOD_TDA10046 1
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enum tda1004x_demod {
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TDA1004X_DEMOD_TDA10045,
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TDA1004X_DEMOD_TDA10046,
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};
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struct tda1004x_state {
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struct i2c_adapter* i2c;
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@ -46,8 +47,8 @@ struct tda1004x_state {
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struct dvb_frontend frontend;
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/* private demod data */
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u8 initialised:1;
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u8 demod_type;
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u8 initialised;
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enum tda1004x_demod demod_type;
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};
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@ -139,7 +140,7 @@ static int tda1004x_write_byteI(struct tda1004x_state *state, int reg, int data)
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{
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int ret;
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u8 buf[] = { reg, data };
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struct i2c_msg msg = { .addr=0, .flags=0, .buf=buf, .len=2 };
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struct i2c_msg msg = { .flags = 0, .buf = buf, .len = 2 };
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dprintk("%s: reg=0x%x, data=0x%x\n", __FUNCTION__, reg, data);
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@ -160,8 +161,8 @@ static int tda1004x_read_byte(struct tda1004x_state *state, int reg)
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int ret;
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u8 b0[] = { reg };
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u8 b1[] = { 0 };
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struct i2c_msg msg[] = {{ .addr=0, .flags=0, .buf=b0, .len=1},
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{ .addr=0, .flags=I2C_M_RD, .buf=b1, .len = 1}};
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struct i2c_msg msg[] = {{ .flags = 0, .buf = b0, .len = 1 },
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{ .flags = I2C_M_RD, .buf = b1, .len = 1 }};
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dprintk("%s: reg=0x%x\n", __FUNCTION__, reg);
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@ -294,7 +295,7 @@ static int tda1004x_do_upload(struct tda1004x_state *state,
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u8 dspCodeCounterReg, u8 dspCodeInReg)
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{
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u8 buf[65];
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struct i2c_msg fw_msg = {.addr = 0,.flags = 0,.buf = buf,.len = 0 };
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struct i2c_msg fw_msg = { .flags = 0, .buf = buf, .len = 0 };
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int tx_size;
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int pos = 0;
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@ -304,12 +305,10 @@ static int tda1004x_do_upload(struct tda1004x_state *state,
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buf[0] = dspCodeInReg;
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while (pos != len) {
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// work out how much to send this time
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tx_size = len - pos;
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if (tx_size > 0x10) {
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if (tx_size > 0x10)
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tx_size = 0x10;
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}
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// send the chunk
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memcpy(buf + 1, mem + pos, tx_size);
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@ -322,6 +321,7 @@ static int tda1004x_do_upload(struct tda1004x_state *state,
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dprintk("%s: fw_pos=0x%x\n", __FUNCTION__, pos);
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}
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return 0;
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}
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@ -335,9 +335,8 @@ static int tda1004x_check_upload_ok(struct tda1004x_state *state, u8 dspVersion)
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data1 = tda1004x_read_byte(state, TDA1004X_DSP_DATA1);
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data2 = tda1004x_read_byte(state, TDA1004X_DSP_DATA2);
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if (data1 != 0x67 || data2 != dspVersion) {
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if ((data1 != 0x67) || (data2 != dspVersion))
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return -EIO;
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}
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return 0;
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}
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@ -348,9 +347,9 @@ static int tda10045_fwupload(struct dvb_frontend* fe)
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int ret;
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const struct firmware *fw;
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/* don't re-upload unless necessary */
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if (tda1004x_check_upload_ok(state, 0x2c) == 0) return 0;
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if (tda1004x_check_upload_ok(state, 0x2c) == 0)
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return 0;
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/* request the firmware, this will block until someone uploads it */
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printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10045_DEFAULT_FIRMWARE);
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@ -394,7 +393,8 @@ static int tda10046_fwupload(struct dvb_frontend* fe)
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msleep(100);
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/* don't re-upload unless necessary */
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if (tda1004x_check_upload_ok(state, 0x20) == 0) return 0;
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if (tda1004x_check_upload_ok(state, 0x20) == 0)
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return 0;
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/* request the firmware, this will block until someone uploads it */
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printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10046_DEFAULT_FIRMWARE);
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@ -419,7 +419,7 @@ static int tda10046_fwupload(struct dvb_frontend* fe)
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/* wait for DSP to initialise */
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timeout = jiffies + HZ;
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while(!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) {
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while (!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) {
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if (time_after(jiffies, timeout)) {
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printk("tda1004x: DSP failed to initialised.\n");
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return -EIO;
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@ -483,7 +483,8 @@ static int tda10045_init(struct dvb_frontend* fe)
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dprintk("%s\n", __FUNCTION__);
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if (state->initialised) return 0;
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if (state->initialised)
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return 0;
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if (tda10045_fwupload(fe)) {
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printk("tda1004x: firmware upload failed\n");
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@ -523,7 +524,8 @@ static int tda10046_init(struct dvb_frontend* fe)
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struct tda1004x_state* state = fe->demodulator_priv;
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dprintk("%s\n", __FUNCTION__);
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if (state->initialised) return 0;
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if (state->initialised)
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return 0;
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if (tda10046_fwupload(fe)) {
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printk("tda1004x: firmware upload failed\n");
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@ -621,12 +623,14 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
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// set HP FEC
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tmp = tda1004x_encode_fec(fe_params->u.ofdm.code_rate_HP);
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if (tmp < 0) return tmp;
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if (tmp < 0)
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return tmp;
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tda1004x_write_mask(state, TDA1004X_IN_CONF2, 7, tmp);
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// set LP FEC
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tmp = tda1004x_encode_fec(fe_params->u.ofdm.code_rate_LP);
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if (tmp < 0) return tmp;
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if (tmp < 0)
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return tmp;
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tda1004x_write_mask(state, TDA1004X_IN_CONF2, 0x38, tmp << 3);
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// set constellation
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@ -671,7 +675,7 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
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}
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// set bandwidth
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switch(state->demod_type) {
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switch (state->demod_type) {
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case TDA1004X_DEMOD_TDA10045:
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tda10045h_set_bandwidth(state, fe_params->u.ofdm.bandwidth);
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break;
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@ -683,7 +687,8 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
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// set inversion
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inversion = fe_params->inversion;
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if (state->config->invert) inversion = inversion ? INVERSION_OFF : INVERSION_ON;
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if (state->config->invert)
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inversion = inversion ? INVERSION_OFF : INVERSION_ON;
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switch (inversion) {
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case INVERSION_OFF:
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tda1004x_write_mask(state, TDA1004X_CONFC1, 0x20, 0);
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@ -750,19 +755,19 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
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}
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// start the lock
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switch(state->demod_type) {
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switch (state->demod_type) {
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case TDA1004X_DEMOD_TDA10045:
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tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8);
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tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 0);
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msleep(10);
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break;
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case TDA1004X_DEMOD_TDA10046:
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tda1004x_write_mask(state, TDA1004X_AUTO, 0x40, 0x40);
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msleep(10);
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break;
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}
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msleep(10);
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return 0;
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}
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@ -773,13 +778,13 @@ static int tda1004x_get_fe(struct dvb_frontend* fe, struct dvb_frontend_paramete
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// inversion status
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fe_params->inversion = INVERSION_OFF;
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if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20) {
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if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20)
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fe_params->inversion = INVERSION_ON;
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}
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if (state->config->invert) fe_params->inversion = fe_params->inversion ? INVERSION_OFF : INVERSION_ON;
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if (state->config->invert)
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fe_params->inversion = fe_params->inversion ? INVERSION_OFF : INVERSION_ON;
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// bandwidth
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switch(state->demod_type) {
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switch (state->demod_type) {
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case TDA1004X_DEMOD_TDA10045:
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switch (tda1004x_read_byte(state, TDA10045H_WREF_LSB)) {
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case 0x14:
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@ -830,9 +835,8 @@ static int tda1004x_get_fe(struct dvb_frontend* fe, struct dvb_frontend_paramete
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// transmission mode
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fe_params->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K;
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if (tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x10) {
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if (tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x10)
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fe_params->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K;
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}
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// guard interval
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switch ((tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x0c) >> 2) {
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@ -880,30 +884,33 @@ static int tda1004x_read_status(struct dvb_frontend* fe, fe_status_t * fe_status
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// read status
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status = tda1004x_read_byte(state, TDA1004X_STATUS_CD);
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if (status == -1) {
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if (status == -1)
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return -EIO;
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}
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// decode
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*fe_status = 0;
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if (status & 4) *fe_status |= FE_HAS_SIGNAL;
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if (status & 2) *fe_status |= FE_HAS_CARRIER;
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if (status & 8) *fe_status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
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if (status & 4)
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*fe_status |= FE_HAS_SIGNAL;
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if (status & 2)
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*fe_status |= FE_HAS_CARRIER;
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if (status & 8)
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*fe_status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
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// if we don't already have VITERBI (i.e. not LOCKED), see if the viterbi
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// is getting anything valid
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if (!(*fe_status & FE_HAS_VITERBI)) {
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// read the CBER
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cber = tda1004x_read_byte(state, TDA1004X_CBER_LSB);
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if (cber == -1) return -EIO;
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if (cber == -1)
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return -EIO;
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status = tda1004x_read_byte(state, TDA1004X_CBER_MSB);
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if (status == -1) return -EIO;
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if (status == -1)
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return -EIO;
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cber |= (status << 8);
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tda1004x_read_byte(state, TDA1004X_CBER_RESET);
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if (cber != 65535) {
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if (cber != 65535)
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*fe_status |= FE_HAS_VITERBI;
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}
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}
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// if we DO have some valid VITERBI output, but don't already have SYNC
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@ -911,20 +918,22 @@ static int tda1004x_read_status(struct dvb_frontend* fe, fe_status_t * fe_status
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if ((*fe_status & FE_HAS_VITERBI) && (!(*fe_status & FE_HAS_SYNC))) {
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// read the VBER
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vber = tda1004x_read_byte(state, TDA1004X_VBER_LSB);
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if (vber == -1) return -EIO;
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if (vber == -1)
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return -EIO;
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status = tda1004x_read_byte(state, TDA1004X_VBER_MID);
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if (status == -1) return -EIO;
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if (status == -1)
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return -EIO;
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vber |= (status << 8);
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status = tda1004x_read_byte(state, TDA1004X_VBER_MSB);
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if (status == -1) return -EIO;
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if (status == -1)
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return -EIO;
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vber |= ((status << 16) & 0x0f);
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tda1004x_read_byte(state, TDA1004X_CVBER_LUT);
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// if RS has passed some valid TS packets, then we must be
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// getting some SYNC bytes
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if (vber < 16632) {
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if (vber < 16632)
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*fe_status |= FE_HAS_SYNC;
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}
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}
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// success
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@ -941,7 +950,7 @@ static int tda1004x_read_signal_strength(struct dvb_frontend* fe, u16 * signal)
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dprintk("%s\n", __FUNCTION__);
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// determine the register to use
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switch(state->demod_type) {
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switch (state->demod_type) {
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case TDA1004X_DEMOD_TDA10045:
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reg = TDA10045H_S_AGC;
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break;
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@ -972,9 +981,8 @@ static int tda1004x_read_snr(struct dvb_frontend* fe, u16 * snr)
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tmp = tda1004x_read_byte(state, TDA1004X_SNR);
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if (tmp < 0)
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return -EIO;
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if (tmp) {
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if (tmp)
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tmp = 255 - tmp;
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}
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*snr = ((tmp << 8) | tmp);
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dprintk("%s: snr=0x%x\n", __FUNCTION__, *snr);
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@ -1009,11 +1017,11 @@ static int tda1004x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
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break;
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}
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if (tmp != 0x7f) {
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if (tmp != 0x7f)
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*ucblocks = tmp;
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} else {
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else
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*ucblocks = 0xffffffff;
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}
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dprintk("%s: ucblocks=0x%x\n", __FUNCTION__, *ucblocks);
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return 0;
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}
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@ -1027,10 +1035,12 @@ static int tda1004x_read_ber(struct dvb_frontend* fe, u32* ber)
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// read it in
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tmp = tda1004x_read_byte(state, TDA1004X_CBER_LSB);
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if (tmp < 0) return -EIO;
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if (tmp < 0)
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return -EIO;
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*ber = tmp << 1;
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tmp = tda1004x_read_byte(state, TDA1004X_CBER_MSB);
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if (tmp < 0) return -EIO;
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if (tmp < 0)
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return -EIO;
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*ber |= (tmp << 9);
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tda1004x_read_byte(state, TDA1004X_CBER_RESET);
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@ -1042,7 +1052,7 @@ static int tda1004x_sleep(struct dvb_frontend* fe)
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{
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struct tda1004x_state* state = fe->demodulator_priv;
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switch(state->demod_type) {
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switch (state->demod_type) {
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case TDA1004X_DEMOD_TDA10045:
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tda1004x_write_mask(state, TDA1004X_CONFADC1, 0x10, 0x10);
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break;
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@ -1066,74 +1076,11 @@ static int tda1004x_get_tune_settings(struct dvb_frontend* fe, struct dvb_fronte
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static void tda1004x_release(struct dvb_frontend* fe)
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{
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struct tda1004x_state* state = (struct tda1004x_state*) fe->demodulator_priv;
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struct tda1004x_state *state = fe->demodulator_priv;
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kfree(state);
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}
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static struct dvb_frontend_ops tda10045_ops;
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struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
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struct i2c_adapter* i2c)
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{
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struct tda1004x_state* state = NULL;
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/* allocate memory for the internal state */
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state = (struct tda1004x_state*) kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
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if (state == NULL) goto error;
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/* setup the state */
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state->config = config;
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state->i2c = i2c;
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memcpy(&state->ops, &tda10045_ops, sizeof(struct dvb_frontend_ops));
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state->initialised = 0;
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state->demod_type = TDA1004X_DEMOD_TDA10045;
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/* check if the demod is there */
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if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x25) goto error;
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/* create dvb_frontend */
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state->frontend.ops = &state->ops;
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state->frontend.demodulator_priv = state;
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return &state->frontend;
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error:
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kfree(state);
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return NULL;
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}
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static struct dvb_frontend_ops tda10046_ops;
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struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
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struct i2c_adapter* i2c)
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{
|
||||
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).");
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue