aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/common
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/common')
-rw-r--r--drivers/media/common/Kconfig4
-rw-r--r--drivers/media/common/Makefile1
-rw-r--r--drivers/media/common/btcx-risc.c260
-rw-r--r--drivers/media/common/btcx-risc.h6
4 files changed, 0 insertions, 271 deletions
diff --git a/drivers/media/common/Kconfig b/drivers/media/common/Kconfig
index b85f88c8ddbd..21154dd87b0b 100644
--- a/drivers/media/common/Kconfig
+++ b/drivers/media/common/Kconfig
@@ -8,10 +8,6 @@ comment "common driver options"
config VIDEO_CX2341X
tristate
-config VIDEO_BTCX
- depends on PCI
- tristate
-
config VIDEO_TVEEPROM
tristate
depends on I2C
diff --git a/drivers/media/common/Makefile b/drivers/media/common/Makefile
index d208de3b7cc0..89b795df2cdd 100644
--- a/drivers/media/common/Makefile
+++ b/drivers/media/common/Makefile
@@ -1,5 +1,4 @@
obj-y += b2c2/ saa7146/ siano/
obj-$(CONFIG_VIDEO_CX2341X) += cx2341x.o
-obj-$(CONFIG_VIDEO_BTCX) += btcx-risc.o
obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o
obj-$(CONFIG_CYPRESS_FIRMWARE) += cypress_firmware.o
diff --git a/drivers/media/common/btcx-risc.c b/drivers/media/common/btcx-risc.c
deleted file mode 100644
index ac1b2687a20d..000000000000
--- a/drivers/media/common/btcx-risc.c
+++ /dev/null
@@ -1,260 +0,0 @@
-/*
-
- btcx-risc.c
-
- bt848/bt878/cx2388x risc code generator.
-
- (c) 2000-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
-
- 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/module.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/videodev2.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-
-#include "btcx-risc.h"
-
-MODULE_DESCRIPTION("some code shared by bttv and cx88xx drivers");
-MODULE_AUTHOR("Gerd Knorr");
-MODULE_LICENSE("GPL");
-
-static unsigned int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug,"debug messages, default is 0 (no)");
-
-/* ---------------------------------------------------------- */
-/* allocate/free risc memory */
-
-static int memcnt;
-
-void btcx_riscmem_free(struct pci_dev *pci,
- struct btcx_riscmem *risc)
-{
- if (NULL == risc->cpu)
- return;
- if (debug) {
- memcnt--;
- printk("btcx: riscmem free [%d] dma=%lx\n",
- memcnt, (unsigned long)risc->dma);
- }
- pci_free_consistent(pci, risc->size, risc->cpu, risc->dma);
- memset(risc,0,sizeof(*risc));
-}
-
-int btcx_riscmem_alloc(struct pci_dev *pci,
- struct btcx_riscmem *risc,
- unsigned int size)
-{
- __le32 *cpu;
- dma_addr_t dma = 0;
-
- if (NULL != risc->cpu && risc->size < size)
- btcx_riscmem_free(pci,risc);
- if (NULL == risc->cpu) {
- cpu = pci_alloc_consistent(pci, size, &dma);
- if (NULL == cpu)
- return -ENOMEM;
- risc->cpu = cpu;
- risc->dma = dma;
- risc->size = size;
- if (debug) {
- memcnt++;
- printk("btcx: riscmem alloc [%d] dma=%lx cpu=%p size=%d\n",
- memcnt, (unsigned long)dma, cpu, size);
- }
- }
- memset(risc->cpu,0,risc->size);
- return 0;
-}
-
-/* ---------------------------------------------------------- */
-/* screen overlay helpers */
-
-int
-btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win,
- struct v4l2_clip *clips, unsigned int n)
-{
- if (win->left < 0) {
- /* left */
- clips[n].c.left = 0;
- clips[n].c.top = 0;
- clips[n].c.width = -win->left;
- clips[n].c.height = win->height;
- n++;
- }
- if (win->left + win->width > swidth) {
- /* right */
- clips[n].c.left = swidth - win->left;
- clips[n].c.top = 0;
- clips[n].c.width = win->width - clips[n].c.left;
- clips[n].c.height = win->height;
- n++;
- }
- if (win->top < 0) {
- /* top */
- clips[n].c.left = 0;
- clips[n].c.top = 0;
- clips[n].c.width = win->width;
- clips[n].c.height = -win->top;
- n++;
- }
- if (win->top + win->height > sheight) {
- /* bottom */
- clips[n].c.left = 0;
- clips[n].c.top = sheight - win->top;
- clips[n].c.width = win->width;
- clips[n].c.height = win->height - clips[n].c.top;
- n++;
- }
- return n;
-}
-
-int
-btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips, unsigned int n, int mask)
-{
- s32 nx,nw,dx;
- unsigned int i;
-
- /* fixup window */
- nx = (win->left + mask) & ~mask;
- nw = (win->width) & ~mask;
- if (nx + nw > win->left + win->width)
- nw -= mask+1;
- dx = nx - win->left;
- win->left = nx;
- win->width = nw;
- if (debug)
- printk(KERN_DEBUG "btcx: window align %dx%d+%d+%d [dx=%d]\n",
- win->width, win->height, win->left, win->top, dx);
-
- /* fixup clips */
- for (i = 0; i < n; i++) {
- nx = (clips[i].c.left-dx) & ~mask;
- nw = (clips[i].c.width) & ~mask;
- if (nx + nw < clips[i].c.left-dx + clips[i].c.width)
- nw += mask+1;
- clips[i].c.left = nx;
- clips[i].c.width = nw;
- if (debug)
- printk(KERN_DEBUG "btcx: clip align %dx%d+%d+%d\n",
- clips[i].c.width, clips[i].c.height,
- clips[i].c.left, clips[i].c.top);
- }
- return 0;
-}
-
-void
-btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips)
-{
- struct v4l2_clip swap;
- int i,j,n;
-
- if (nclips < 2)
- return;
- for (i = nclips-2; i >= 0; i--) {
- for (n = 0, j = 0; j <= i; j++) {
- if (clips[j].c.left > clips[j+1].c.left) {
- swap = clips[j];
- clips[j] = clips[j+1];
- clips[j+1] = swap;
- n++;
- }
- }
- if (0 == n)
- break;
- }
-}
-
-void
-btcx_calc_skips(int line, int width, int *maxy,
- struct btcx_skiplist *skips, unsigned int *nskips,
- const struct v4l2_clip *clips, unsigned int nclips)
-{
- unsigned int clip,skip;
- int end, maxline;
-
- skip=0;
- maxline = 9999;
- for (clip = 0; clip < nclips; clip++) {
-
- /* sanity checks */
- if (clips[clip].c.left + clips[clip].c.width <= 0)
- continue;
- if (clips[clip].c.left > (signed)width)
- break;
-
- /* vertical range */
- if (line > clips[clip].c.top+clips[clip].c.height-1)
- continue;
- if (line < clips[clip].c.top) {
- if (maxline > clips[clip].c.top-1)
- maxline = clips[clip].c.top-1;
- continue;
- }
- if (maxline > clips[clip].c.top+clips[clip].c.height-1)
- maxline = clips[clip].c.top+clips[clip].c.height-1;
-
- /* horizontal range */
- if (0 == skip || clips[clip].c.left > skips[skip-1].end) {
- /* new one */
- skips[skip].start = clips[clip].c.left;
- if (skips[skip].start < 0)
- skips[skip].start = 0;
- skips[skip].end = clips[clip].c.left + clips[clip].c.width;
- if (skips[skip].end > width)
- skips[skip].end = width;
- skip++;
- } else {
- /* overlaps -- expand last one */
- end = clips[clip].c.left + clips[clip].c.width;
- if (skips[skip-1].end < end)
- skips[skip-1].end = end;
- if (skips[skip-1].end > width)
- skips[skip-1].end = width;
- }
- }
- *nskips = skip;
- *maxy = maxline;
-
- if (debug) {
- printk(KERN_DEBUG "btcx: skips line %d-%d:",line,maxline);
- for (skip = 0; skip < *nskips; skip++) {
- printk(" %d-%d",skips[skip].start,skips[skip].end);
- }
- printk("\n");
- }
-}
-
-/* ---------------------------------------------------------- */
-
-EXPORT_SYMBOL(btcx_riscmem_alloc);
-EXPORT_SYMBOL(btcx_riscmem_free);
-
-EXPORT_SYMBOL(btcx_screen_clips);
-EXPORT_SYMBOL(btcx_align);
-EXPORT_SYMBOL(btcx_sort_clips);
-EXPORT_SYMBOL(btcx_calc_skips);
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
diff --git a/drivers/media/common/btcx-risc.h b/drivers/media/common/btcx-risc.h
index f8bc6e8e7b51..03583ef90506 100644
--- a/drivers/media/common/btcx-risc.h
+++ b/drivers/media/common/btcx-risc.h
@@ -26,9 +26,3 @@ void btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips);
void btcx_calc_skips(int line, int width, int *maxy,
struct btcx_skiplist *skips, unsigned int *nskips,
const struct v4l2_clip *clips, unsigned int nclips);
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.