diff options
| author | Jean-Francois Moine <moinejf@free.fr> | 2009-04-05 18:03:02 +0200 |
|---|---|---|
| committer | Jean-Francois Moine <moinejf@free.fr> | 2009-04-05 18:03:02 +0200 |
| commit | bcaafb56e4c3741c1923db37683a4590dda2cbfb (patch) | |
| tree | 4ade810f7cbd3425665c1ce57769745871565866 /linux/arch/arm/mach-mx1/mx1_camera_fiq.S | |
| parent | ffa071fb6b99731b41db5e814dbb2b0403c7c98c (diff) | |
| parent | 8dd3ceb79cec4a833fbc9fd654b7e71e9548d331 (diff) | |
| download | mediapointer-dvb-s2-bcaafb56e4c3741c1923db37683a4590dda2cbfb.tar.gz mediapointer-dvb-s2-bcaafb56e4c3741c1923db37683a4590dda2cbfb.tar.bz2 | |
merge: v4l-dvb
Diffstat (limited to 'linux/arch/arm/mach-mx1/mx1_camera_fiq.S')
| -rw-r--r-- | linux/arch/arm/mach-mx1/mx1_camera_fiq.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/linux/arch/arm/mach-mx1/mx1_camera_fiq.S b/linux/arch/arm/mach-mx1/mx1_camera_fiq.S new file mode 100644 index 000000000..9c69aa65b --- /dev/null +++ b/linux/arch/arm/mach-mx1/mx1_camera_fiq.S @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> + * + * Based on linux/arch/arm/lib/floppydma.S + * Copyright (C) 1995, 1996 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/linkage.h> +#include <asm/assembler.h> + + .text + .global mx1_camera_sof_fiq_end + .global mx1_camera_sof_fiq_start +mx1_camera_sof_fiq_start: + @ enable dma + ldr r12, [r9] + orr r12, r12, #0x00000001 + str r12, [r9] + @ unmask DMA interrupt + ldr r12, [r8] + bic r12, r12, r13 + str r12, [r8] + @ disable SOF interrupt + ldr r12, [r10] + bic r12, r12, #0x00010000 + str r12, [r10] + @ clear SOF flag + mov r12, #0x00010000 + str r12, [r11] + @ return from FIQ + subs pc, lr, #4 +mx1_camera_sof_fiq_end: |