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path: root/drivers/media/dvb-frontends/stv0900_core.c
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Diffstat (limited to 'drivers/media/dvb-frontends/stv0900_core.c')
-rw-r--r--drivers/media/dvb-frontends/stv0900_core.c61
1 files changed, 24 insertions, 37 deletions
diff --git a/drivers/media/dvb-frontends/stv0900_core.c b/drivers/media/dvb-frontends/stv0900_core.c
index e5a87b57d855..e7b9b9b11d7d 100644
--- a/drivers/media/dvb-frontends/stv0900_core.c
+++ b/drivers/media/dvb-frontends/stv0900_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* stv0900_core.c
*
@@ -6,21 +7,6 @@
* Copyright (C) ST Microelectronics.
* Copyright (C) 2009 NetUP Inc.
* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
- *
- * 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.
*/
#include <linux/kernel.h>
@@ -207,7 +193,7 @@ void stv0900_write_bits(struct stv0900_internal *intp, u32 label, u8 val)
u8 stv0900_get_bits(struct stv0900_internal *intp, u32 label)
{
- u8 val = 0xff;
+ u8 val;
u8 mask, pos;
extract_mask_pos(label, &mask, &pos);
@@ -284,7 +270,7 @@ static enum fe_stv0900_error stv0900_initialize(struct stv0900_internal *intp)
static u32 stv0900_get_mclk_freq(struct stv0900_internal *intp, u32 ext_clk)
{
- u32 mclk = 90000000, div = 0, ad_div = 0;
+ u32 mclk, div, ad_div;
div = stv0900_get_bits(intp, F0900_M_DIV);
ad_div = ((stv0900_get_bits(intp, F0900_SELX1RATIO) == 1) ? 4 : 6);
@@ -748,12 +734,12 @@ static int stv0900_read_ucblocks(struct dvb_frontend *fe, u32 * ucblocks)
if (stv0900_get_standard(fe, demod) == STV0900_DVBS2_STANDARD) {
/* DVB-S2 delineator errors count */
- /* retreiving number for errnous headers */
+ /* retrieving number for errnous headers */
err_val1 = stv0900_read_reg(intp, BBFCRCKO1);
err_val0 = stv0900_read_reg(intp, BBFCRCKO0);
header_err_val = (err_val1 << 8) | err_val0;
- /* retreiving number for errnous packets */
+ /* retrieving number for errnous packets */
err_val1 = stv0900_read_reg(intp, UPCRCKO1);
err_val0 = stv0900_read_reg(intp, UPCRCKO0);
*ucblocks = (err_val1 << 8) | err_val0;
@@ -1087,7 +1073,7 @@ u8 stv0900_get_optim_carr_loop(s32 srate, enum fe_stv0900_modcode modcode,
s32 pilot, u8 chip_id)
{
u8 aclc_value = 0x29;
- s32 i;
+ s32 i, cllas2_size;
const struct stv0900_car_loop_optim *cls2, *cllqs2, *cllas2;
dprintk("%s\n", __func__);
@@ -1096,14 +1082,17 @@ u8 stv0900_get_optim_carr_loop(s32 srate, enum fe_stv0900_modcode modcode,
cls2 = FE_STV0900_S2CarLoop;
cllqs2 = FE_STV0900_S2LowQPCarLoopCut30;
cllas2 = FE_STV0900_S2APSKCarLoopCut30;
+ cllas2_size = ARRAY_SIZE(FE_STV0900_S2APSKCarLoopCut30);
} else if (chip_id == 0x20) {
cls2 = FE_STV0900_S2CarLoopCut20;
cllqs2 = FE_STV0900_S2LowQPCarLoopCut20;
cllas2 = FE_STV0900_S2APSKCarLoopCut20;
+ cllas2_size = ARRAY_SIZE(FE_STV0900_S2APSKCarLoopCut20);
} else {
cls2 = FE_STV0900_S2CarLoopCut30;
cllqs2 = FE_STV0900_S2LowQPCarLoopCut30;
cllas2 = FE_STV0900_S2APSKCarLoopCut30;
+ cllas2_size = ARRAY_SIZE(FE_STV0900_S2APSKCarLoopCut30);
}
if (modcode < STV0900_QPSK_12) {
@@ -1178,7 +1167,7 @@ u8 stv0900_get_optim_carr_loop(s32 srate, enum fe_stv0900_modcode modcode,
aclc_value = cls2[i].car_loop_pilots_off_30;
}
- } else {
+ } else if (i < cllas2_size) {
if (srate <= 3000000)
aclc_value = cllas2[i].car_loop_pilots_on_2;
else if (srate <= 7000000)
@@ -1270,7 +1259,6 @@ enum fe_stv0900_error stv0900_st_dvbs2_single(struct stv0900_internal *intp,
enum fe_stv0900_demod_mode LDPC_Mode,
enum fe_stv0900_demod_num demod)
{
- enum fe_stv0900_error error = STV0900_NO_ERROR;
s32 reg_ind;
dprintk("%s\n", __func__);
@@ -1337,7 +1325,7 @@ enum fe_stv0900_error stv0900_st_dvbs2_single(struct stv0900_internal *intp,
break;
}
- return error;
+ return STV0900_NO_ERROR;
}
static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe,
@@ -1555,8 +1543,6 @@ static int stv0900_status(struct stv0900_internal *intp,
static int stv0900_set_mis(struct stv0900_internal *intp,
enum fe_stv0900_demod_num demod, int mis)
{
- enum fe_stv0900_error error = STV0900_NO_ERROR;
-
dprintk("%s\n", __func__);
if (mis < 0 || mis > 255) {
@@ -1569,7 +1555,7 @@ static int stv0900_set_mis(struct stv0900_internal *intp,
stv0900_write_reg(intp, ISIBITENA, 0xff);
}
- return error;
+ return STV0900_NO_ERROR;
}
@@ -1747,7 +1733,8 @@ static int stv0900_send_master_cmd(struct dvb_frontend *fe,
state->demod);
}
-static int stv0900_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
+static int stv0900_send_burst(struct dvb_frontend *fe,
+ enum fe_sec_mini_cmd burst)
{
struct stv0900_state *state = fe->demodulator_priv;
struct stv0900_internal *intp = state->internal;
@@ -1796,7 +1783,8 @@ static int stv0900_recv_slave_reply(struct dvb_frontend *fe,
return 0;
}
-static int stv0900_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t toneoff)
+static int stv0900_set_tone(struct dvb_frontend *fe,
+ enum fe_sec_tone_mode toneoff)
{
struct stv0900_state *state = fe->demodulator_priv;
struct stv0900_internal *intp = state->internal;
@@ -1860,9 +1848,9 @@ static int stv0900_sleep(struct dvb_frontend *fe)
return 0;
}
-static int stv0900_get_frontend(struct dvb_frontend *fe)
+static int stv0900_get_frontend(struct dvb_frontend *fe,
+ struct dtv_frontend_properties *p)
{
- struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct stv0900_state *state = fe->demodulator_priv;
struct stv0900_internal *intp = state->internal;
enum fe_stv0900_demod_num demod = state->demod;
@@ -1873,14 +1861,13 @@ static int stv0900_get_frontend(struct dvb_frontend *fe)
return 0;
}
-static struct dvb_frontend_ops stv0900_ops = {
+static const struct dvb_frontend_ops stv0900_ops = {
.delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
.info = {
.name = "STV0900 frontend",
- .frequency_min = 950000,
- .frequency_max = 2150000,
- .frequency_stepsize = 125,
- .frequency_tolerance = 0,
+ .frequency_min_hz = 950 * MHz,
+ .frequency_max_hz = 2150 * MHz,
+ .frequency_stepsize_hz = 125 * kHz,
.symbol_rate_min = 1000000,
.symbol_rate_max = 45000000,
.symbol_rate_tolerance = 500,
@@ -1931,7 +1918,7 @@ struct dvb_frontend *stv0900_attach(const struct stv0900_config *config,
switch (demod) {
case 0:
case 1:
- init_params.dmd_ref_clk = config->xtal;
+ init_params.dmd_ref_clk = config->xtal;
init_params.demod_mode = config->demod_mode;
init_params.rolloff = STV0900_35;
init_params.path1_ts_clock = config->path1_mode;
@@ -1970,7 +1957,7 @@ error:
kfree(state);
return NULL;
}
-EXPORT_SYMBOL(stv0900_attach);
+EXPORT_SYMBOL_GPL(stv0900_attach);
MODULE_PARM_DESC(debug, "Set debug");
generated by cgit (git 2.34.1) at 2025-12-25 21:42:26 +0000