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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-08-09 01:49:58 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-08-09 02:14:15 +0200 |
| commit | d9a145fb6e5f37b9903dea8371ab5c3e34e8e2d1 (patch) | |
| tree | e2b4bb46fa00f0ad20447e40dba6fb21a4ae0815 /arch/arm/mach-imx/mx1-camera-fiq.S | |
| parent | c9243f5bdd6637b2bb7dc254b54d9edf957ef17e (diff) | |
| parent | 45d7f32c7a43cbb9592886d38190e379e2eb2226 (diff) | |
Merge commit 'linus/master' into bkl/core
Merge reason: The staging tree has introduced the easycap
driver lately. We need the latest updates to pushdown the
bkl in its ioctl helper.
Diffstat (limited to 'arch/arm/mach-imx/mx1-camera-fiq.S')
| -rw-r--r-- | arch/arm/mach-imx/mx1-camera-fiq.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mx1-camera-fiq.S b/arch/arm/mach-imx/mx1-camera-fiq.S new file mode 100644 index 00000000000..9c69aa65bf1 --- /dev/null +++ b/arch/arm/mach-imx/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: |