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0dac6ecdc0
Add support for CPU frequency scaling in the S3C24XX video driver. Signed-off-by: Simtec Linux Team <linux@simtec.co.uk> Signed-off-by: Ben Dooks <ben@simtec.co.uk> Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
49 lines
935 B
C
49 lines
935 B
C
/*
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* linux/drivers/video/s3c2410fb.h
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* Copyright (c) 2004 Arnaud Patard
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*
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* S3C2410 LCD Framebuffer Driver
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive for
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* more details.
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*
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*/
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#ifndef __S3C2410FB_H
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#define __S3C2410FB_H
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enum s3c_drv_type {
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DRV_S3C2410,
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DRV_S3C2412,
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};
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struct s3c2410fb_info {
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struct device *dev;
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struct clk *clk;
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struct resource *mem;
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void __iomem *io;
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void __iomem *irq_base;
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enum s3c_drv_type drv_type;
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struct s3c2410fb_hw regs;
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unsigned long clk_rate;
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unsigned int palette_ready;
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#ifdef CONFIG_CPU_FREQ
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struct notifier_block freq_transition;
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#endif
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/* keep these registers in case we need to re-write palette */
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u32 palette_buffer[256];
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u32 pseudo_pal[16];
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};
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#define PALETTE_BUFF_CLEAR (0x80000000) /* entry is clear/invalid */
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int s3c2410fb_init(void);
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#endif
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