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path: root/drivers/media/pci/bt8xx/bt878.c
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Diffstat (limited to 'drivers/media/pci/bt8xx/bt878.c')
-rw-r--r--drivers/media/pci/bt8xx/bt878.c83
1 files changed, 21 insertions, 62 deletions
diff --git a/drivers/media/pci/bt8xx/bt878.c b/drivers/media/pci/bt8xx/bt878.c
index 66eb0baab0e9..62a6c4a80bed 100644
--- a/drivers/media/pci/bt8xx/bt878.c
+++ b/drivers/media/pci/bt8xx/bt878.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* bt878.c: part of the driver for the Pinnacle PCTV Sat DVB PCI card
*
@@ -7,32 +8,14 @@
* Copyright (C) 1996,97,98 Ralph Metzler (rjkm@metzlerbros.de)
* & Marcus Metzler (mocm@metzlerbros.de)
* (c) 1999,2000 Gerd Knorr <kraxel@goldbach.in-berlin.de>
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
- *
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/pci.h>
+#include <linux/pgtable.h>
#include <asm/io.h>
#include <linux/ioport.h>
-#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/types.h>
#include <linux/interrupt.h>
@@ -40,8 +23,8 @@
#include <linux/vmalloc.h>
#include <linux/init.h>
-#include "dmxdev.h"
-#include "dvbdev.h"
+#include <media/dmxdev.h>
+#include <media/dvbdev.h>
#include "bt878.h"
#include "dst_priv.h"
@@ -84,14 +67,14 @@ EXPORT_SYMBOL(bt878);
static void bt878_mem_free(struct bt878 *bt)
{
if (bt->buf_cpu) {
- pci_free_consistent(bt->dev, bt->buf_size, bt->buf_cpu,
- bt->buf_dma);
+ dma_free_coherent(&bt->dev->dev, bt->buf_size, bt->buf_cpu,
+ bt->buf_dma);
bt->buf_cpu = NULL;
}
if (bt->risc_cpu) {
- pci_free_consistent(bt->dev, bt->risc_size, bt->risc_cpu,
- bt->risc_dma);
+ dma_free_coherent(&bt->dev->dev, bt->risc_size, bt->risc_cpu,
+ bt->risc_dma);
bt->risc_cpu = NULL;
}
}
@@ -101,28 +84,20 @@ static int bt878_mem_alloc(struct bt878 *bt)
if (!bt->buf_cpu) {
bt->buf_size = 128 * 1024;
- bt->buf_cpu =
- pci_alloc_consistent(bt->dev, bt->buf_size,
- &bt->buf_dma);
-
+ bt->buf_cpu = dma_alloc_coherent(&bt->dev->dev, bt->buf_size,
+ &bt->buf_dma, GFP_KERNEL);
if (!bt->buf_cpu)
return -ENOMEM;
-
- memset(bt->buf_cpu, 0, bt->buf_size);
}
if (!bt->risc_cpu) {
bt->risc_size = PAGE_SIZE;
- bt->risc_cpu =
- pci_alloc_consistent(bt->dev, bt->risc_size,
- &bt->risc_dma);
-
+ bt->risc_cpu = dma_alloc_coherent(&bt->dev->dev, bt->risc_size,
+ &bt->risc_dma, GFP_KERNEL);
if (!bt->risc_cpu) {
bt878_mem_free(bt);
return -ENOMEM;
}
-
- memset(bt->risc_cpu, 0, bt->risc_size);
}
return 0;
@@ -325,7 +300,8 @@ static irqreturn_t bt878_irq(int irq, void *dev_id)
}
if (astat & BT878_ARISCI) {
bt->finished_block = (stat & BT878_ARISCS) >> 28;
- tasklet_schedule(&bt->tasklet);
+ if (bt->bh_work.func)
+ queue_work(system_bh_wq, &bt->bh_work);
break;
}
count++;
@@ -391,7 +367,7 @@ EXPORT_SYMBOL(bt878_device_control);
.driver_data = (unsigned long) name \
}
-static struct pci_device_id bt878_pci_tbl[] = {
+static const struct pci_device_id bt878_pci_tbl[] = {
BROOKTREE_878_DEVICE(0x0071, 0x0101, "Nebula Electronics DigiTV"),
BROOKTREE_878_DEVICE(0x1461, 0x0761, "AverMedia AverTV DVB-T 761"),
BROOKTREE_878_DEVICE(0x11bd, 0x001c, "Pinnacle PCTV Sat"),
@@ -424,17 +400,13 @@ static int bt878_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
int result = 0;
unsigned char lat;
struct bt878 *bt;
-#if defined(__powerpc__)
- unsigned int cmd;
-#endif
unsigned int cardid;
printk(KERN_INFO "bt878: Bt878 AUDIO function found (%d).\n",
bt878_num);
if (bt878_num >= BT878_MAX) {
printk(KERN_ERR "bt878: Too many devices inserted\n");
- result = -ENOMEM;
- goto fail0;
+ return -ENOMEM;
}
if (pci_enable_device(dev))
return -EIO;
@@ -469,15 +441,6 @@ static int bt878_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
printk("irq: %d, latency: %d, memory: 0x%lx\n",
bt->irq, lat, bt->bt878_adr);
-
-#if defined(__powerpc__)
- /* on OpenFirmware machines (PowerMac at least), PCI memory cycle */
- /* response on cards with no firmware is not enabled by OF */
- pci_read_config_dword(dev, PCI_COMMAND, &cmd);
- cmd = (cmd | PCI_COMMAND_MEMORY);
- pci_write_config_dword(dev, PCI_COMMAND, cmd);
-#endif
-
#ifdef __sparc__
bt->bt878_mem = (unsigned char *) bt->bt878_adr;
#else
@@ -488,8 +451,7 @@ static int bt878_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
btwrite(0, BT848_INT_MASK);
result = request_irq(bt->irq, bt878_irq,
- IRQF_SHARED | IRQF_DISABLED, "bt878",
- (void *) bt);
+ IRQF_SHARED, "bt878", (void *) bt);
if (result == -EINVAL) {
printk(KERN_ERR "bt878(%d): Bad irq number or handler\n",
bt878_num);
@@ -516,6 +478,9 @@ static int bt878_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
btwrite(0, BT878_AINT_MASK);
bt878_num++;
+ if (!bt->bh_work.func)
+ disable_work_sync(&bt->bh_work);
+
return 0;
fail2:
@@ -563,7 +528,6 @@ static void bt878_remove(struct pci_dev *pci_dev)
bt->shutdown = 1;
bt878_mem_free(bt);
- pci_set_drvdata(pci_dev, NULL);
pci_disable_device(pci_dev);
return;
}
@@ -599,10 +563,5 @@ static void __exit bt878_cleanup_module(void)
module_init(bt878_init_module);
module_exit(bt878_cleanup_module);
+MODULE_DESCRIPTION("DVB/ATSC Support for bt878 based TV cards");
MODULE_LICENSE("GPL");
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
generated by cgit (git 2.34.1) at 2025-12-26 02:25:09 +0000