[media] btcx-risc: move to bt8xx

The btcx-risc module is no longer used by other drivers except for bttv.
So move it from common to bt8xx and make it part of the bttv driver instead
of as a separate module.

This module should never have been a common module since most of the code
has always been bttv specific.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

3 files changed, 0 insertions, 259 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 e67338aa8c89..000000000000
--- a/drivers/media/common/btcx-risc.c
+++ /dev/null
@@ -1,254 +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);