linux/drivers/video/fbdev/pxa168fb.c

/*
 * linux/drivers/video/pxa168fb.c -- Marvell PXA168 LCD Controller
 *
 *  Copyright (C) 2008 Marvell International Ltd.
 *  All rights reserved.
 *
 *  2009-02-16  adapted from original version for PXA168/910
 *              Jun Nie <[email protected]>
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License. See the file COPYING in the main directory of this archive for
 * more details.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/fb.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/uaccess.h>
#include <video/pxa168fb.h>

#include "pxa168fb.h"

#define DEFAULT_REFRESH …

static int determine_best_pix_fmt(struct fb_var_screeninfo *var)
{ … }

static void set_pix_fmt(struct fb_var_screeninfo *var, int pix_fmt)
{ … }

static void set_mode(struct pxa168fb_info *fbi, struct fb_var_screeninfo *var,
		     struct fb_videomode *mode, int pix_fmt, int ystretch)
{ … }

static int pxa168fb_check_var(struct fb_var_screeninfo *var,
			      struct fb_info *info)
{ … }

/*
 * The hardware clock divider has an integer and a fractional
 * stage:
 *
 *	clk2 = clk_in / integer_divider
 *	clk_out = clk2 * (1 - (fractional_divider >> 12))
 *
 * Calculate integer and fractional divider for given clk_in
 * and clk_out.
 */
static void set_clock_divider(struct pxa168fb_info *fbi,
			      const struct fb_videomode *m)
{ … }

static void set_dma_control0(struct pxa168fb_info *fbi)
{ … }

static void set_dma_control1(struct pxa168fb_info *fbi, int sync)
{ … }

static void set_graphics_start(struct fb_info *info, int xoffset, int yoffset)
{ … }

static void set_dumb_panel_control(struct fb_info *info)
{ … }

static void set_dumb_screen_dimensions(struct fb_info *info)
{ … }

static int pxa168fb_set_par(struct fb_info *info)
{ … }

static unsigned int chan_to_field(unsigned int chan, struct fb_bitfield *bf)
{ … }

static u32 to_rgb(u16 red, u16 green, u16 blue)
{ … }

static int
pxa168fb_setcolreg(unsigned int regno, unsigned int red, unsigned int green,
		 unsigned int blue, unsigned int trans, struct fb_info *info)
{ … }

static int pxa168fb_blank(int blank, struct fb_info *info)
{ … }

static int pxa168fb_pan_display(struct fb_var_screeninfo *var,
				struct fb_info *info)
{ … }

static irqreturn_t pxa168fb_handle_irq(int irq, void *dev_id)
{ … }

static const struct fb_ops pxa168fb_ops = …;

static void pxa168fb_init_mode(struct fb_info *info,
			      struct pxa168fb_mach_info *mi)
{ … }

static int pxa168fb_probe(struct platform_device *pdev)
{ … }

static void pxa168fb_remove(struct platform_device *pdev)
{ … }

static struct platform_driver pxa168fb_driver = …;

module_platform_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;