From caec700c9a87d1565d4e3e37c5c4ce9a5e51c052 Mon Sep 17 00:00:00 2001
From: lars <lars@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 4 Aug 2010 13:33:55 +0000
Subject: [xburst] Drop 2.6.32 patches

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22485 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../arch/mips/jz4740/board-n516-display.c          | 395 ---------------------
 1 file changed, 395 deletions(-)
 delete mode 100644 target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516-display.c

(limited to 'target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516-display.c')

diff --git a/target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516-display.c b/target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516-display.c
deleted file mode 100644
index a0485da20..000000000
--- a/target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516-display.c
+++ /dev/null
@@ -1,395 +0,0 @@
-/*
- * board-n516-display.c -- Platform device for N516 display
- *
- * Copyright (C) 2009, Yauhen Kharuzhy <jekhor@gmail.com>
- *
- * 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/errno.h>
-#include <linux/string.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/irq.h>
-#include <linux/gpio.h>
-#include <linux/jz4740_fb.h>
-
-#include <asm/mach-jz4740/platform.h>
-#include <asm/mach-jz4740/board-n516.h>
-
-#include <video/metronomefb.h>
-#include <linux/console.h>
-
-extern struct platform_device jz_lcd_device;
-
-static struct fb_videomode n516_fb_modes[] = {
-	[0] = {
-		.name		= "Metronome 800x600",
-		.refresh	= 50,
-		.xres		= 400,
-		.yres		= 624,
-		.hsync_len	= 31,
-		.vsync_len	= 23,
-		.right_margin	= 31,
-		.left_margin	= 5,
-		.upper_margin	= 1,
-		.lower_margin	= 2,
-		.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
-	},
-};
-
-static struct jz4740_fb_platform_data n516_fb_pdata = {
-	.num_modes	= ARRAY_SIZE(n516_fb_modes),
-	.modes		= n516_fb_modes,
-	.bpp		= 16,
-	.lcd_type	= JZ_LCD_TYPE_GENERIC_16_BIT,
-};
-
-struct n516_board_info {
-	uint8_t *metromem;
-	size_t wfm_size;
-	struct fb_info *host_fbinfo; /* the host LCD controller's fbi */
-	unsigned int fw;
-	unsigned int fh;
-};
-
-static struct platform_device *n516_device;
-static struct n516_board_info n516_board_info;
-
-static int metronome_gpios[] = {
-	GPIO_DISPLAY_STBY,
-	GPIO_DISPLAY_RST_L,
-	GPIO_DISPLAY_RDY,
-	GPIO_DISPLAY_ERR,
-/*	GPIO_DISPLAY_OFF,*/
-};
-
-static const char *metronome_gpio_names[] = {
-	"Metronome STDBY",
-	"Metronome RST",
-	"Metronome RDY",
-	"Metronome ERR",
-/*	"Metronone OFF",*/
-};
-
-static int n516_enable_hostfb(bool enable)
-{
-	int ret;
-	int blank = enable ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
-
-	acquire_console_sem();
-	ret = fb_blank(n516_board_info.host_fbinfo, blank);
-	release_console_sem();
-
-	return ret;
-}
-
-static int n516_init_metronome_gpios(struct metronomefb_par *par)
-{
-	int i;
-	int ret;
-
-	for (i = 0; i < ARRAY_SIZE(metronome_gpios); ++i) {
-		ret = gpio_request(metronome_gpios[i], metronome_gpio_names[i]);
-		if (ret)
-			goto err;
-	}
-
-	gpio_direction_output(GPIO_DISPLAY_OFF, 0);
-	gpio_direction_output(GPIO_DISPLAY_RST_L, 0);
-	gpio_direction_output(GPIO_DISPLAY_STBY, 0);
-	gpio_direction_input(GPIO_DISPLAY_RDY);
-	gpio_direction_input(GPIO_DISPLAY_ERR);
-
-	return 0;
-err:
-	for (--i; i >= 0; --i)
-		gpio_free(metronome_gpios[i]);
-
-	return ret;
-}
-
-static int n516_share_video_mem(struct fb_info *info)
-{
-	int ret;
-
-	dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
-	dev_dbg(&n516_device->dev, "%s, info->var.xres = %u, info->var.yres = %u\n", __func__, info->var.xres, info->var.yres);
-	/* rough check if this is our desired fb and not something else */
-	if ((info->var.xres != n516_fb_pdata.modes[0].xres)
-		|| (info->var.yres != n516_fb_pdata.modes[0].yres))
-		return 0;
-
-	/* we've now been notified that we have our new fb */
-	n516_board_info.metromem = info->screen_base;
-	n516_board_info.host_fbinfo = info;
-
-	n516_enable_hostfb(false);
-	/* try to refcount host drv since we are the consumer after this */
-	if (!try_module_get(info->fbops->owner))
-		return -ENODEV;
-
-	/* this _add binds metronomefb to n516. metronomefb refcounts n516 */
-	ret = platform_device_add(n516_device);
-
-	if (ret) {
-		platform_device_put(n516_device);
-		return ret;
-	}
-
-	/* request our platform independent driver */
-	request_module("metronomefb");
-
-	return 0;
-}
-
-static int n516_unshare_video_mem(struct fb_info *info)
-{
-	dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
-
-	if (info != n516_board_info.host_fbinfo)
-		return 0;
-
-	module_put(n516_board_info.host_fbinfo->fbops->owner);
-	return 0;
-}
-
-static int n516_fb_notifier_callback(struct notifier_block *self,
-				 unsigned long event, void *data)
-{
-	struct fb_event *evdata = data;
-	struct fb_info *info = evdata->info;
-
-	dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
-
-	if (event == FB_EVENT_FB_REGISTERED)
-		return n516_share_video_mem(info);
-	else if (event == FB_EVENT_FB_UNREGISTERED)
-		return n516_unshare_video_mem(info);
-
-	return 0;
-}
-
-static struct notifier_block n516_fb_notif = {
-	.notifier_call = n516_fb_notifier_callback,
-};
-
-/* this gets called as part of our init. these steps must be done now so
- * that we can use set_pxa_fb_info */
-static void __init n516_presetup_fb(void)
-{
-	int padding_size;
-	int totalsize;
-
-	/* the frame buffer is divided as follows:
-	command | CRC | padding
-	16kb waveform data | CRC | padding
-	image data | CRC
-	*/
-
-	n516_board_info.fw = 800;
-	n516_board_info.fh = 624;
-
-	/* waveform must be 16k + 2 for checksum */
-	n516_board_info.wfm_size = roundup(16*1024 + 2, n516_board_info.fw);
-
-	padding_size = PAGE_SIZE + (4 * n516_board_info.fw);
-
-	/* total is 1 cmd , 1 wfm, padding and image */
-	totalsize = n516_board_info.fw + n516_board_info.wfm_size;
-	totalsize += padding_size + (n516_board_info.fw*n516_board_info.fh);
-
-	/* save this off because we're manipulating fw after this and
-	 * we'll need it when we're ready to setup the framebuffer */
-
-	/* the reason we do this adjustment is because we want to acquire
-	 * more framebuffer memory without imposing custom awareness on the
-	 * underlying driver */
-	n516_fb_pdata.modes[0].yres = DIV_ROUND_UP(totalsize, n516_board_info.fw);
-
-	jz4740_framebuffer_device.dev.platform_data = &n516_fb_pdata;
-	platform_device_register(&jz4740_framebuffer_device);
-}
-
-/* this gets called by metronomefb as part of its init, in our case, we
- * have already completed initial framebuffer init in presetup_fb so we
- * can just setup the fb access pointers */
-static int n516_setup_fb(struct metronomefb_par *par)
-{
-	/* metromem was set up by the notifier in share_video_mem so now
-	 * we can use its value to calculate the other entries */
-	par->metromem_cmd = (struct metromem_cmd *) n516_board_info.metromem;
-	par->metromem_wfm = n516_board_info.metromem + n516_board_info.fw;
-	par->metromem_img = par->metromem_wfm + n516_board_info.wfm_size;
-	par->metromem_img_csum = (u16 *) (par->metromem_img + (n516_board_info.fw * n516_board_info.fh));
-	par->metromem_dma = n516_board_info.host_fbinfo->fix.smem_start;
-
-	return 0;
-}
-
-static int n516_get_panel_type(void)
-{
-	return 5;
-}
-
-static irqreturn_t n516_handle_irq(int irq, void *dev_id)
-{
-	struct metronomefb_par *par = dev_id;
-
-	dev_dbg(&par->pdev->dev, "Metronome IRQ! RDY=%d\n", 	gpio_get_value(GPIO_DISPLAY_RDY));
-	wake_up_all(&par->waitq);
-
-	return IRQ_HANDLED;
-}
-
-static void n516_power_ctl(struct metronomefb_par *par, int cmd)
-{
-	switch (cmd) {
-	case METRONOME_POWER_OFF:
-		gpio_set_value(GPIO_DISPLAY_OFF, 1);
-		n516_enable_hostfb(false);
-		break;
-	case METRONOME_POWER_ON:
-		gpio_set_value(GPIO_DISPLAY_OFF, 0);
-		n516_enable_hostfb(true);
-		break;
-	}
-}
-
-static int n516_get_rdy(struct metronomefb_par *par)
-{
-	return gpio_get_value(GPIO_DISPLAY_RDY);
-}
-
-static int n516_get_err(struct metronomefb_par *par)
-{
-	return gpio_get_value(GPIO_DISPLAY_ERR);
-}
-
-static int n516_setup_irq(struct fb_info *info)
-{
-	int ret;
-
-	dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
-
-	ret = request_irq(gpio_to_irq(GPIO_DISPLAY_RDY), n516_handle_irq,
-				IRQF_TRIGGER_RISING,
-				"n516", info->par);
-	if (ret)
-		dev_err(&n516_device->dev, "request_irq failed: %d\n", ret);
-
-	return ret;
-}
-
-static void n516_set_rst(struct metronomefb_par *par, int state)
-{
-	dev_dbg(&n516_device->dev, "ENTER %s, RDY=%d\n", __func__, gpio_get_value(GPIO_DISPLAY_RDY));
-	if (state)
-		gpio_set_value(GPIO_DISPLAY_RST_L, 1);
-	else
-		gpio_set_value(GPIO_DISPLAY_RST_L, 0);
-}
-
-static void n516_set_stdby(struct metronomefb_par *par, int state)
-{
-	dev_dbg(&n516_device->dev, "ENTER %s, RDY=%d\n", __func__, gpio_get_value(GPIO_DISPLAY_RDY));
-	if (state)
-		gpio_set_value(GPIO_DISPLAY_STBY, 1);
-	else
-		gpio_set_value(GPIO_DISPLAY_STBY, 0);
-}
-
-static int n516_wait_event(struct metronomefb_par *par)
-{
-	unsigned long timeout = jiffies + HZ / 20;
-
-	dev_dbg(&n516_device->dev, "ENTER1 %s, RDY=%d\n",
-			__func__, gpio_get_value(GPIO_DISPLAY_RDY));
-	while (n516_get_rdy(par) && time_before(jiffies, timeout))
-		schedule();
-
-	dev_dbg(&n516_device->dev, "ENTER2 %s, RDY=%d\n",
-			__func__, gpio_get_value(GPIO_DISPLAY_RDY));
-	return wait_event_timeout(par->waitq,
-			n516_get_rdy(par), HZ * 2) ? 0 : -EIO;
-}
-
-static int n516_wait_event_intr(struct metronomefb_par *par)
-{
-	unsigned long timeout = jiffies + HZ/20;
-
-	dev_dbg(&n516_device->dev, "ENTER1 %s, RDY=%d\n",
-			__func__, gpio_get_value(GPIO_DISPLAY_RDY));
-	while (n516_get_rdy(par) && time_before(jiffies, timeout))
-		schedule();
-
-	dev_dbg(&n516_device->dev, "ENTER2 %s, RDY=%d\n",
-			__func__, gpio_get_value(GPIO_DISPLAY_RDY));
-	return wait_event_interruptible_timeout(par->waitq,
-					n516_get_rdy(par), HZ * 2) ? 0 : -EIO;
-}
-
-static void n516_cleanup(struct metronomefb_par *par)
-{
-	int i;
-
-	free_irq(gpio_to_irq(GPIO_DISPLAY_RDY), par);
-	for (i = 0; i < ARRAY_SIZE(metronome_gpios); ++i)
-		gpio_free(metronome_gpios[i]);
-}
-
-static struct metronome_board n516_board __initdata = {
-	.owner			= THIS_MODULE,
-	.power_ctl		= n516_power_ctl,
-	.setup_irq		= n516_setup_irq,
-	.setup_io		= n516_init_metronome_gpios,
-	.setup_fb		= n516_setup_fb,
-	.set_rst		= n516_set_rst,
-	.get_err		= n516_get_err,
-	.get_rdy		= n516_get_rdy,
-	.set_stdby		= n516_set_stdby,
-	.met_wait_event		= n516_wait_event,
-	.met_wait_event_intr	= n516_wait_event_intr,
-	.get_panel_type		= n516_get_panel_type,
-	.cleanup		= n516_cleanup,
-};
-
-static int __init n516_init(void)
-{
-	int ret;
-
-	/* Keep the metronome off, until its driver is loaded */
-	ret = gpio_request(GPIO_DISPLAY_OFF, "Display off");
-	if (ret)
-		return ret;
-
-	gpio_direction_output(GPIO_DISPLAY_OFF, 1);
-
-	/* before anything else, we request notification for any fb
-	 * creation events */
-	fb_register_client(&n516_fb_notif);
-
-	n516_device = platform_device_alloc("metronomefb", -1);
-	if (!n516_device)
-		return -ENOMEM;
-
-	/* the n516_board that will be seen by metronomefb is a copy */
-	platform_device_add_data(n516_device, &n516_board,
-					sizeof(n516_board));
-
-	n516_presetup_fb();
-
-	return 0;
-}
-module_init(n516_init);
-
-MODULE_DESCRIPTION("board driver for n516 display");
-MODULE_AUTHOR("Yauhen Kharuzhy");
-MODULE_LICENSE("GPL");
-- 
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