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[media] btcx-risc: move to bt8xx
authorHans Verkuil <hans.verkuil@cisco.com>
Fri, 12 Dec 2014 13:27:56 +0000 (10:27 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Tue, 23 Dec 2014 12:13:19 +0000 (10:13 -0200)
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>
drivers/media/common/Kconfig
drivers/media/common/Makefile
drivers/media/pci/bt8xx/Kconfig
drivers/media/pci/bt8xx/Makefile
drivers/media/pci/bt8xx/btcx-risc.c [moved from drivers/media/common/btcx-risc.c with 91% similarity]
drivers/media/pci/bt8xx/btcx-risc.h [new file with mode: 0644]

index b85f88c..21154dd 100644 (file)
@@ -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
index d208de3..89b795d 100644 (file)
@@ -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
index 61d09e0..496cf6b 100644 (file)
@@ -2,7 +2,6 @@ config VIDEO_BT848
        tristate "BT848 Video For Linux"
        depends on VIDEO_DEV && PCI && I2C && VIDEO_V4L2
        select I2C_ALGOBIT
-       select VIDEO_BTCX
        select VIDEOBUF_DMA_SG
        depends on RC_CORE
        select VIDEO_TUNER
index f9fe7c4..2d4c3dd 100644 (file)
@@ -1,6 +1,6 @@
 bttv-objs      :=      bttv-driver.o bttv-cards.o bttv-if.o \
                       bttv-risc.o bttv-vbi.o bttv-i2c.o bttv-gpio.o \
-                      bttv-input.o bttv-audio-hook.o
+                      bttv-input.o bttv-audio-hook.o btcx-risc.o
 
 obj-$(CONFIG_VIDEO_BT848) += bttv.o
 obj-$(CONFIG_DVB_BT8XX) += bt878.o dvb-bt8xx.o dst.o dst_ca.o
similarity index 91%
rename from drivers/media/common/btcx-risc.c
rename to drivers/media/pci/bt8xx/btcx-risc.c
index e67338a..00f0880 100644 (file)
 
 #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)");
+static unsigned int btcx_debug;
+module_param(btcx_debug, int, 0644);
+MODULE_PARM_DESC(btcx_debug,"debug messages, default is 0 (no)");
 
 /* ---------------------------------------------------------- */
 /* allocate/free risc memory                                  */
@@ -50,7 +46,7 @@ void btcx_riscmem_free(struct pci_dev *pci,
 {
        if (NULL == risc->cpu)
                return;
-       if (debug) {
+       if (btcx_debug) {
                memcnt--;
                printk("btcx: riscmem free [%d] dma=%lx\n",
                       memcnt, (unsigned long)risc->dma);
@@ -75,7 +71,7 @@ int btcx_riscmem_alloc(struct pci_dev *pci,
                risc->cpu  = cpu;
                risc->dma  = dma;
                risc->size = size;
-               if (debug) {
+               if (btcx_debug) {
                        memcnt++;
                        printk("btcx: riscmem alloc [%d] dma=%lx cpu=%p size=%d\n",
                               memcnt, (unsigned long)dma, cpu, size);
@@ -141,7 +137,7 @@ btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips, unsigned int n, int m
        dx = nx - win->left;
        win->left  = nx;
        win->width = nw;
-       if (debug)
+       if (btcx_debug)
                printk(KERN_DEBUG "btcx: window align %dx%d+%d+%d [dx=%d]\n",
                       win->width, win->height, win->left, win->top, dx);
 
@@ -153,7 +149,7 @@ btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips, unsigned int n, int m
                        nw += mask+1;
                clips[i].c.left  = nx;
                clips[i].c.width = nw;
-               if (debug)
+               if (btcx_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);
@@ -234,7 +230,7 @@ btcx_calc_skips(int line, int width, int *maxy,
        *nskips = skip;
        *maxy = maxline;
 
-       if (debug) {
+       if (btcx_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);
@@ -242,13 +238,3 @@ btcx_calc_skips(int line, int width, int *maxy,
                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);
diff --git a/drivers/media/pci/bt8xx/btcx-risc.h b/drivers/media/pci/bt8xx/btcx-risc.h
new file mode 100644 (file)
index 0000000..1ed7a00
--- /dev/null
@@ -0,0 +1,26 @@
+struct btcx_riscmem {
+       unsigned int   size;
+       __le32         *cpu;
+       __le32         *jmp;
+       dma_addr_t     dma;
+};
+
+struct btcx_skiplist {
+       int start;
+       int end;
+};
+
+int  btcx_riscmem_alloc(struct pci_dev *pci,
+                       struct btcx_riscmem *risc,
+                       unsigned int size);
+void btcx_riscmem_free(struct pci_dev *pci,
+                      struct btcx_riscmem *risc);
+
+int btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win,
+                     struct v4l2_clip *clips, unsigned int n);
+int btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips,
+              unsigned int n, int mask);
+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);