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path: root/drivers/media/tuners/tda8290.c
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Diffstat (limited to 'drivers/media/tuners/tda8290.c')
-rw-r--r--drivers/media/tuners/tda8290.c108
1 files changed, 45 insertions, 63 deletions
diff --git a/drivers/media/tuners/tda8290.c b/drivers/media/tuners/tda8290.c
index ab4106c17b4c..98851482c0cc 100644
--- a/drivers/media/tuners/tda8290.c
+++ b/drivers/media/tuners/tda8290.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
i2c tv tuner chip device driver
controls the philips tda8290+75 tuner chip combo.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
This "tda8290" module was split apart from the original "tuner" module.
*/
@@ -63,8 +51,8 @@ static int tda8290_i2c_bridge(struct dvb_frontend *fe, int close)
{
struct tda8290_priv *priv = fe->analog_demod_priv;
- unsigned char enable[2] = { 0x21, 0xC0 };
- unsigned char disable[2] = { 0x21, 0x00 };
+ static unsigned char enable[2] = { 0x21, 0xC0 };
+ static unsigned char disable[2] = { 0x21, 0x00 };
unsigned char *msg;
if (close) {
@@ -84,9 +72,9 @@ static int tda8295_i2c_bridge(struct dvb_frontend *fe, int close)
{
struct tda8290_priv *priv = fe->analog_demod_priv;
- unsigned char enable[2] = { 0x45, 0xc1 };
- unsigned char disable[2] = { 0x46, 0x00 };
- unsigned char buf[3] = { 0x45, 0x01, 0x00 };
+ static unsigned char enable[2] = { 0x45, 0xc1 };
+ static unsigned char disable[2] = { 0x46, 0x00 };
+ static unsigned char buf[3] = { 0x45, 0x01, 0x00 };
unsigned char *msg;
if (close) {
@@ -178,25 +166,25 @@ static void tda8290_set_params(struct dvb_frontend *fe,
{
struct tda8290_priv *priv = fe->analog_demod_priv;
- unsigned char soft_reset[] = { 0x00, 0x00 };
+ static unsigned char soft_reset[] = { 0x00, 0x00 };
unsigned char easy_mode[] = { 0x01, priv->tda8290_easy_mode };
- unsigned char expert_mode[] = { 0x01, 0x80 };
- unsigned char agc_out_on[] = { 0x02, 0x00 };
- unsigned char gainset_off[] = { 0x28, 0x14 };
- unsigned char if_agc_spd[] = { 0x0f, 0x88 };
- unsigned char adc_head_6[] = { 0x05, 0x04 };
- unsigned char adc_head_9[] = { 0x05, 0x02 };
- unsigned char adc_head_12[] = { 0x05, 0x01 };
- unsigned char pll_bw_nom[] = { 0x0d, 0x47 };
- unsigned char pll_bw_low[] = { 0x0d, 0x27 };
- unsigned char gainset_2[] = { 0x28, 0x64 };
- unsigned char agc_rst_on[] = { 0x0e, 0x0b };
- unsigned char agc_rst_off[] = { 0x0e, 0x09 };
- unsigned char if_agc_set[] = { 0x0f, 0x81 };
- unsigned char addr_adc_sat = 0x1a;
- unsigned char addr_agc_stat = 0x1d;
- unsigned char addr_pll_stat = 0x1b;
- unsigned char adc_sat, agc_stat,
+ static unsigned char expert_mode[] = { 0x01, 0x80 };
+ static unsigned char agc_out_on[] = { 0x02, 0x00 };
+ static unsigned char gainset_off[] = { 0x28, 0x14 };
+ static unsigned char if_agc_spd[] = { 0x0f, 0x88 };
+ static unsigned char adc_head_6[] = { 0x05, 0x04 };
+ static unsigned char adc_head_9[] = { 0x05, 0x02 };
+ static unsigned char adc_head_12[] = { 0x05, 0x01 };
+ static unsigned char pll_bw_nom[] = { 0x0d, 0x47 };
+ static unsigned char pll_bw_low[] = { 0x0d, 0x27 };
+ static unsigned char gainset_2[] = { 0x28, 0x64 };
+ static unsigned char agc_rst_on[] = { 0x0e, 0x0b };
+ static unsigned char agc_rst_off[] = { 0x0e, 0x09 };
+ static unsigned char if_agc_set[] = { 0x0f, 0x81 };
+ static unsigned char addr_adc_sat = 0x1a;
+ static unsigned char addr_agc_stat = 0x1d;
+ static unsigned char addr_pll_stat = 0x1b;
+ static unsigned char adc_sat = 0, agc_stat = 0,
pll_stat;
int i;
@@ -468,9 +456,9 @@ static void tda8290_standby(struct dvb_frontend *fe)
{
struct tda8290_priv *priv = fe->analog_demod_priv;
- unsigned char cb1[] = { 0x30, 0xD0 };
- unsigned char tda8290_standby[] = { 0x00, 0x02 };
- unsigned char tda8290_agc_tri[] = { 0x02, 0x20 };
+ static unsigned char cb1[] = { 0x30, 0xD0 };
+ static unsigned char tda8290_standby[] = { 0x00, 0x02 };
+ static unsigned char tda8290_agc_tri[] = { 0x02, 0x20 };
struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=cb1, .len = 2};
if (fe->ops.analog_ops.i2c_gate_ctrl)
@@ -495,9 +483,9 @@ static void tda8290_init_if(struct dvb_frontend *fe)
{
struct tda8290_priv *priv = fe->analog_demod_priv;
- unsigned char set_VS[] = { 0x30, 0x6F };
- unsigned char set_GP00_CF[] = { 0x20, 0x01 };
- unsigned char set_GP01_CF[] = { 0x20, 0x0B };
+ static unsigned char set_VS[] = { 0x30, 0x6F };
+ static unsigned char set_GP00_CF[] = { 0x20, 0x01 };
+ static unsigned char set_GP01_CF[] = { 0x20, 0x0B };
if ((priv->cfg.config == TDA8290_LNA_GP0_HIGH_ON) ||
(priv->cfg.config == TDA8290_LNA_GP0_HIGH_OFF))
@@ -539,10 +527,12 @@ static void tda8295_init_if(struct dvb_frontend *fe)
static void tda8290_init_tuner(struct dvb_frontend *fe)
{
struct tda8290_priv *priv = fe->analog_demod_priv;
- unsigned char tda8275_init[] = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf,
- 0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 };
- unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b,
- 0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b };
+ static unsigned char tda8275_init[] =
+ { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf,
+ 0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 };
+ static unsigned char tda8275a_init[] =
+ { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b,
+ 0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b };
struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0,
.buf=tda8275_init, .len = 14};
if (priv->ver & TDA8275A)
@@ -617,8 +607,8 @@ static int tda829x_find_tuner(struct dvb_frontend *fe)
if (tuner_addrs == 0) {
tuner_addrs = 0x60;
- tuner_info("could not clearly identify tuner address, "
- "defaulting to %x\n", tuner_addrs);
+ tuner_info("could not clearly identify tuner address, defaulting to %x\n",
+ tuner_addrs);
} else {
tuner_addrs = tuner_addrs & 0xff;
tuner_info("setting tuner address to %x\n", tuner_addrs);
@@ -721,7 +711,7 @@ static int tda8295_probe(struct tuner_i2c_props *i2c_props)
return -ENODEV;
}
-static struct analog_demod_ops tda8290_ops = {
+static const struct analog_demod_ops tda8290_ops = {
.set_params = tda8290_set_params,
.has_signal = tda8290_has_signal,
.standby = tda8290_standby,
@@ -729,7 +719,7 @@ static struct analog_demod_ops tda8290_ops = {
.i2c_gate_ctrl = tda8290_i2c_bridge,
};
-static struct analog_demod_ops tda8295_ops = {
+static const struct analog_demod_ops tda8295_ops = {
.set_params = tda8295_set_params,
.has_signal = tda8295_has_signal,
.standby = tda8295_standby,
@@ -834,11 +824,11 @@ int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
.addr = i2c_addr,
};
- unsigned char soft_reset[] = { 0x00, 0x00 };
- unsigned char easy_mode_b[] = { 0x01, 0x02 };
- unsigned char easy_mode_g[] = { 0x01, 0x04 };
- unsigned char restore_9886[] = { 0x00, 0xd6, 0x30 };
- unsigned char addr_dto_lsb = 0x07;
+ static unsigned char soft_reset[] = { 0x00, 0x00 };
+ static unsigned char easy_mode_b[] = { 0x01, 0x02 };
+ static unsigned char easy_mode_g[] = { 0x01, 0x04 };
+ static unsigned char restore_9886[] = { 0x00, 0xd6, 0x30 };
+ static unsigned char addr_dto_lsb = 0x07;
unsigned char data;
#define PROBE_BUFFER_SIZE 8
unsigned char buf[PROBE_BUFFER_SIZE];
@@ -881,11 +871,3 @@ EXPORT_SYMBOL_GPL(tda829x_probe);
MODULE_DESCRIPTION("Philips/NXP TDA8290/TDA8295 analog IF demodulator driver");
MODULE_AUTHOR("Gerd Knorr, Hartmut Hackmann, Michael Krufky");
MODULE_LICENSE("GPL");
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
generated by cgit (git 2.34.1) at 2025-12-25 21:30:52 +0000