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path: root/drivers/media/pci/bt8xx/dvb-bt8xx.c
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Diffstat (limited to 'drivers/media/pci/bt8xx/dvb-bt8xx.c')
-rw-r--r--drivers/media/pci/bt8xx/dvb-bt8xx.c98
1 files changed, 45 insertions, 53 deletions
diff --git a/drivers/media/pci/bt8xx/dvb-bt8xx.c b/drivers/media/pci/bt8xx/dvb-bt8xx.c
index d407244fd1bc..f0fbb468aea2 100644
--- a/drivers/media/pci/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/pci/bt8xx/dvb-bt8xx.c
@@ -1,25 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Bt8xx based DVB adapter driver
*
* Copyright (C) 2002,2003 Florian Schirmer <jolt@tuxbox.org>
- *
- * 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.
- *
*/
-#define pr_fmt(fmt) "dvb_bt8xx: " fmt
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/bitops.h>
#include <linux/module.h>
@@ -30,10 +16,10 @@
#include <linux/slab.h>
#include <linux/i2c.h>
-#include "dmxdev.h"
-#include "dvbdev.h"
-#include "dvb_demux.h"
-#include "dvb_frontend.h"
+#include <media/dmxdev.h>
+#include <media/dvbdev.h>
+#include <media/dvb_demux.h>
+#include <media/dvb_frontend.h>
#include "dvb-bt8xx.h"
#include "bt878.h"
@@ -44,18 +30,21 @@ MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
-#define dprintk( args... ) \
- do { \
- if (debug) printk(KERN_DEBUG args); \
- } while (0)
+#define dprintk(fmt, arg...) do { \
+ if (debug) \
+ printk(KERN_DEBUG pr_fmt("%s: " fmt), \
+ __func__, ##arg); \
+} while (0)
+
#define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */
-static void dvb_bt8xx_task(unsigned long data)
+static void dvb_bt8xx_work(struct work_struct *t)
{
- struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
+ struct bt878 *bt = from_work(bt, t, bh_work);
+ struct dvb_bt8xx_card *card = dev_get_drvdata(&bt->adapter->dev);
- //printk("%d ", card->bt->finished_block);
+ dprintk("%d\n", card->bt->finished_block);
while (card->bt->last_block != card->bt->finished_block) {
(card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
@@ -201,11 +190,15 @@ static int cx24108_tuner_set_params(struct dvb_frontend *fe)
u32 freq = c->frequency;
int i, a, n, pump;
u32 band, pll;
- u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
- 1576000,1718000,1856000,2036000,2150000};
- u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
- 0x00102000,0x00104000,0x00108000,0x00110000,
- 0x00120000,0x00140000};
+ static const u32 osci[] = {
+ 950000, 1019000, 1075000, 1178000, 1296000, 1432000,
+ 1576000, 1718000, 1856000, 2036000, 2150000
+ };
+ static const u32 bandsel[] = {
+ 0, 0x00020000, 0x00040000, 0x00100800, 0x00101000,
+ 0x00102000, 0x00104000, 0x00108000, 0x00110000,
+ 0x00120000, 0x00140000
+ };
#define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
dprintk("cx24108 debug: entering SetTunerFreq, freq=%d\n", freq);
@@ -318,7 +311,7 @@ static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const s
return request_firmware(fw, name, &bt->bt->dev->dev);
}
-static struct sp887x_config microtune_mt7202dtf_config = {
+static const struct sp887x_config microtune_mt7202dtf_config = {
.demod_address = 0x70,
.request_firmware = microtune_mt7202dtf_request_firmware,
};
@@ -388,10 +381,6 @@ static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend *fe,
bs = 0x02;
else if (c->frequency < 470000000)
bs = 0x02;
- else if (c->frequency < 600000000)
- bs = 0x08;
- else if (c->frequency < 730000000)
- bs = 0x08;
else
bs = 0x08;
@@ -409,7 +398,7 @@ static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
.demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
};
-static struct dst_config dst_config = {
+static const struct dst_config dst_config = {
.demod_address = 0x55,
};
@@ -443,7 +432,7 @@ static void or51211_reset(struct dvb_frontend * fe)
/* reset & PRM1,2&4 are outputs */
int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
if (ret != 0)
- printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret);
+ pr_warn("or51211: Init Error - Can't Reset DVR (%i)\n", ret);
bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000); /* Reset */
msleep(20);
/* Now set for normal operation */
@@ -458,7 +447,7 @@ static void or51211_sleep(struct dvb_frontend * fe)
bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
}
-static struct or51211_config or51211_config = {
+static const struct or51211_config or51211_config = {
.demod_address = 0x15,
.request_firmware = or51211_request_firmware,
.setmode = or51211_setmode,
@@ -560,7 +549,8 @@ static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
if (ret != 0)
- printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);
+ pr_warn("digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n",
+ ret);
/* Pulse the reset line */
bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
@@ -576,7 +566,6 @@ static struct mt352_config digitv_alps_tded4_config = {
};
static struct lgdt330x_config tdvs_tua6034_config = {
- .demod_address = 0x0e,
.demod_chip = LGDT3303,
.serial_mpeg = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
};
@@ -608,19 +597,20 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
if (card->fe != NULL) {
card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
- card->fe->ops.info.frequency_min = 174000000;
- card->fe->ops.info.frequency_max = 862000000;
+ card->fe->ops.info.frequency_min_hz = 174 * MHz;
+ card->fe->ops.info.frequency_max_hz = 862 * MHz;
}
break;
case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
lgdt330x_reset(card);
- card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config, card->i2c_adapter);
+ card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config,
+ 0x0e, card->i2c_adapter);
if (card->fe != NULL) {
dvb_attach(simple_tuner_attach, card->fe,
card->i2c_adapter, 0x61,
TUNER_LG_TDVS_H06XF);
- dprintk ("dvb_bt8xx: lgdt330x detected\n");
+ dprintk("dvb_bt8xx: lgdt330x detected\n");
}
break;
@@ -635,7 +625,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
if (card->fe != NULL) {
card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
- dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
+ dprintk("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
break;
}
@@ -645,7 +635,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
if (card->fe != NULL) {
card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
- dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");
+ dprintk("dvb_bt8xx: an mt352 was detected on your digitv card\n");
}
break;
@@ -660,8 +650,8 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
if (card->fe != NULL) {
card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
- card->fe->ops.info.frequency_min = 174000000;
- card->fe->ops.info.frequency_max = 862000000;
+ card->fe->ops.info.frequency_min_hz = 174 * MHz;
+ card->fe->ops.info.frequency_max_hz = 862 * MHz;
}
break;
@@ -680,6 +670,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
/* DST is not a frontend, attaching the ASIC */
if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
pr_err("%s: Could not find a Twinhan DST\n", __func__);
+ kfree(state);
break;
}
/* Attach other DST peripherals if any */
@@ -791,7 +782,7 @@ static int dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
goto err_disconnect_frontend;
}
- tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
+ INIT_WORK(&card->bt->bh_work, dvb_bt8xx_work);
frontend_init(card, type);
@@ -823,7 +814,8 @@ static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
mutex_init(&card->lock);
card->bttv_nr = sub->core->nr;
- strlcpy(card->card_name, sub->core->v4l2_dev.name, sizeof(card->card_name));
+ strscpy(card->card_name, sub->core->v4l2_dev.name,
+ sizeof(card->card_name));
card->i2c_adapter = &sub->core->i2c_adap;
switch(sub->core->type) {
@@ -930,7 +922,7 @@ static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
bt878_stop(card->bt);
- tasklet_kill(&card->bt->tasklet);
+ cancel_work_sync(&card->bt->bh_work);
dvb_net_release(&card->dvbnet);
card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
generated by cgit (git 2.34.1) at 2025-12-27 00:41:15 +0000