drivers/mfd: remove unused wm831x driver

Change-Id: I18fb4e6b2259cc3ebcb2e0a51355f67b14410045
Signed-off-by: Tao Huang <huangtao@rock-chips.com>

1 files changed, 0 insertions, 503 deletions

diff --git a/drivers/power/wm831x_charger_display.c b/drivers/power/wm831x_charger_display.c
deleted file mode 100755
index c08fa6bbcc18..000000000000
--- a/drivers/power/wm831x_charger_display.c
+++ /dev/null
@@ -1,503 +0,0 @@
-/* drivers/power/wm831x_charger_display.c
- *
- * battery detect driver for the rk2818 
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/input.h>
-#include <linux/interrupt.h>
-#include <linux/fb.h>
-#include <linux/delay.h>
-#include <linux/suspend.h>
-#include <linux/linux_logo.h>
-#include <linux/regulator/consumer.h>
-#include <linux/platform_device.h>
-#include <linux/workqueue.h>
-#include <linux/mfd/wm831x/core.h>
-#include <mach/gpio.h>
-#include <mach/iomux.h>
-#include <mach/rk29_iomap.h>
-
-#include <linux/mfd/wm831x/core.h>
-#include <linux/mfd/wm831x/auxadc.h>
-#include <linux/mfd/wm831x/pmu.h>
-#include <linux/mfd/wm831x/pdata.h>
-#include <linux/mfd/wm831x/irq.h>
-#include <linux/power_supply.h>
-
-#define READ_ON_PIN_CNT 20/*11*/
-#define BACKLIGHT_CNT	2
-#define OPEN_CNT		18
-#define MC_OPEN 7/*10*/ 
-#define BAT_CHARGING    1
-#define BAT_DISCHARGING 0
-#define BL_DELAY_TIME   (8*1000)
-
-
-#define SET_BACKLIGHT_ON 	1
-#define OPEN_SYSTEM			2
-#define SUSPEND_SYSTEM		3
-
-#if 0
-#define DBG(x...)   printk(x)
-#else
-#define DBG(x...)
-#endif 
-
-extern void request_suspend_state(suspend_state_t new_state);
-extern void kernel_restart(char *cmd);
-extern void kernel_power_off(void);
-
-extern unsigned g_vbus_status_register;
-extern unsigned long *g_pcd_for_charger;
-
-extern int rk29_backlight_ctrl(int open);
-
-extern void fb_show_charge_logo(struct linux_logo *logo);
-
-extern void kernel_restart_prepare(char *cmd);
-extern int dwc_vbus_status( void );
-extern int dwc_otg_pcd_check_vbus_detech( unsigned long pdata );
-
-#if defined(CONFIG_LOGO_CHARGER_CLUT224)
-extern struct linux_logo logo_charger01_clut224;
-extern struct linux_logo logo_charger02_clut224;
-extern struct linux_logo logo_charger03_clut224;
-extern struct linux_logo logo_charger04_clut224;
-extern struct linux_logo logo_charger05_clut224;
-extern struct linux_logo logo_charger06_clut224;
-extern struct linux_logo logo_charger07_clut224;
-extern struct linux_logo logo_charger08_clut224;
-#endif
-
-extern struct fb_info *g_fb0_inf;
-
-static struct linux_logo* g_chargerlogo[8]= {
-#if defined(CONFIG_LOGO_CHARGER_CLUT224)
-	&logo_charger01_clut224,&logo_charger02_clut224,&logo_charger03_clut224,&logo_charger04_clut224,
-		&logo_charger05_clut224,&logo_charger06_clut224,&logo_charger07_clut224,&logo_charger08_clut224
-#endif
-};
-
-#if 1
-struct wm831x_chg {
-	struct wm831x *wm831x;
-	int logo_id;
-	int flag_chg;
-	int bat_vol;
-	int cnt_on;
-	int cnt_disp;
-	int flag_bl;
-	int flag_suspend;
-	
-};
-
-static int charger_logo_display(struct linux_logo *logo)
-{
-	fb_show_charge_logo(logo);
-	fb_show_logo(g_fb0_inf, 0);
-	return 0;
-}
-
-extern int charger_suspend(void);//xsf
-
-static int charger_backlight_ctrl(int open)
-{
-	DBG("%s:open=%d\n",__FUNCTION__,open);
-	int ret;
-
-#ifdef CONFIG_RK29_CHARGE_EARLYSUSPEND
-	charger_suspend();
-	return 0;
-#else
-	return rk29_backlight_ctrl(open);
-#endif
-
-
-}
-
-static int wm831x_read_on_pin_status(struct wm831x_chg *wm831x_chg)
-{
-	int ret;
-	
-	if(!wm831x_chg)
-	{
-		printk("err:%s:wm831x_chg address is 0\n",__FUNCTION__);
-		return -1;
-	}
-	
-	ret = wm831x_reg_read(wm831x_chg->wm831x, WM831X_ON_PIN_CONTROL);
-	if (ret < 0)
-		return ret;
-
-	return !(ret & WM831X_ON_PIN_STS) ? 1 : 0;
-}
-
-
-static int wm831x_read_chg_status(struct wm831x_chg *wm831x_chg)
-{
-	int ret, usb_chg = 0, wall_chg = 0;
-	
-	if(!wm831x_chg)
-	{
-		printk("err:%s:wm831x_chg address is 0\n",__FUNCTION__);
-		return -1;
-	}
-	
-	ret = wm831x_reg_read(wm831x_chg->wm831x, WM831X_SYSTEM_STATUS);
-	if (ret < 0)
-		return ret;
-
-	if (ret & WM831X_PWR_USB)
-		usb_chg = 1;
-	if (ret & WM831X_PWR_WALL)
-		wall_chg = 1;
-
-	return ((usb_chg | wall_chg) ? 1 : 0);
-}
-
-static int wm831x_bat_check_status(struct wm831x *wm831x, int *status)
-{
-	int ret;
-
-	ret = wm831x_reg_read(wm831x, WM831X_SYSTEM_STATUS);
-	if (ret < 0)
-		return ret;
-
-	if (ret & WM831X_PWR_SRC_BATT) {
-		*status = POWER_SUPPLY_STATUS_DISCHARGING;
-		return 0;
-	}
-
-	ret = wm831x_reg_read(wm831x, WM831X_CHARGER_STATUS);
-	if (ret < 0)
-		return ret;
-
-	
-	switch (ret & WM831X_CHG_STATE_MASK) {
-	case WM831X_CHG_STATE_OFF:
-		*status = POWER_SUPPLY_STATUS_NOT_CHARGING;
-		break;
-	case WM831X_CHG_STATE_TRICKLE:
-	case WM831X_CHG_STATE_FAST:
-		*status = POWER_SUPPLY_STATUS_CHARGING;
-		break;
-
-	default:
-		*status = POWER_SUPPLY_STATUS_UNKNOWN;
-		break;
-	}
-
-	return 0;
-}
-
-static int wm831x_read_bat_charging_status(struct wm831x_chg *wm831x_chg)
-{
-	int ret, status;
-	
-	if(!wm831x_chg)
-	{
-		printk("err:%s:g_wm831x_power address is 0\n",__FUNCTION__);
-		return -1;
-	}
-	
-	ret = wm831x_bat_check_status(wm831x_chg->wm831x, &status);
-	if (ret < 0)
-		return ret;
-	if (status == POWER_SUPPLY_STATUS_CHARGING) 
-		return 1;
-	return 0;
-}
-
-static int wm831x_read_batt_voltage(struct wm831x_chg *wm831x_chg)
-{
-	int ret = 0;
-	
-	if(!wm831x_chg)
-	{
-		printk("err:%s:wm831x_chg address is 0\n",__FUNCTION__);
-		return -1;
-	}
-	
-	ret = wm831x_auxadc_read_uv(wm831x_chg->wm831x, WM831X_AUX_BATT);
-	return ret / 1000;
-}
-
-
-static int get_charger_logo_start_num(struct wm831x_chg *wm831x_chg)
-{
-	int rlogonum, bat_vol;
-
-	/*check charger voltage*/
-	bat_vol = wm831x_read_batt_voltage(wm831x_chg);
-	if(bat_vol <= 3610) {
-		rlogonum = 0;
-	}
-	else if(bat_vol <= 3700) {
-		rlogonum = 1;
-	}
-	else if(bat_vol <= 3760) {
-		rlogonum = 2;
-	}
-	else if(bat_vol <= 3840) {
-		rlogonum = 3;
-	}
-	else if(bat_vol <= 3900) {
-		rlogonum = 4;
-	}
-	else if(bat_vol <= 3990) {
-		rlogonum = 5;
-	}
-	else if(bat_vol <= 4130) {
-		rlogonum = 6;
-	}
-	else if(bat_vol <= 4200) {
-		rlogonum = 7;
-	}
-	else{
-		rlogonum = 7;
-	}
-		
-	return rlogonum;
-}
-
-static int wm831x_check_on_pin(struct wm831x_chg *wm831x_chg)
-{
-	int ret;
-	ret = wm831x_read_on_pin_status(wm831x_chg);
-	if(ret)
-	{
-		if(wm831x_chg->cnt_on++ > 1000)
-			wm831x_chg->cnt_on = 1000;
-	}
-	else
-	{
-		//control backlight if press on pin
-		if(wm831x_chg->cnt_on >= 1)
-		{
-			wm831x_chg->flag_bl = !wm831x_chg->flag_bl;
-			charger_backlight_ctrl(wm831x_chg->flag_bl);
-			wm831x_chg->cnt_on = 0;	
-			if(wm831x_chg->flag_bl)
-			{
-				wm831x_chg->flag_suspend = 0;
-				wm831x_chg->cnt_disp = 0;
-			}
-		}
-	}
-
-	return 0;
-}
-
-static int rk29_charger_display(struct wm831x_chg *wm831x_chg)
-{
-	int status;
-	struct linux_logo* chargerlogo[8];
-	int ret,i;
-	int count = 0;
-	
-	wm831x_chg->flag_chg = wm831x_read_chg_status(wm831x_chg);
-	if(!wm831x_chg->flag_chg)
-		return -1;
-
-	while(1)
-	{
-		wm831x_chg->flag_chg = wm831x_read_chg_status(wm831x_chg);
-		if(!wm831x_chg->flag_chg)
-			kernel_power_off();
-
-		status = wm831x_read_bat_charging_status(wm831x_chg);
-
-		for(i=0; i<8; i++)
-		chargerlogo[i] = g_chargerlogo[i];
-	
-		if(status == BAT_CHARGING)
-		{	
-			for(i=get_charger_logo_start_num(wm831x_chg); i<8; i++ )
-			{
-				wm831x_chg->flag_chg = wm831x_read_chg_status(wm831x_chg);
-				if(!wm831x_chg->flag_chg)
-				kernel_power_off();
-			#ifdef CONFIG_RK29_CHARGE_EARLYSUSPEND
-				ret = charger_logo_display(chargerlogo[i]);
-			#else
-				if(wm831x_chg->flag_bl != 0)
-				ret = charger_logo_display(chargerlogo[i]);
-			#endif
-				DBG("%s:i=%d\n",__FUNCTION__,i);
-
-				msleep(200);	
-				wm831x_check_on_pin(wm831x_chg);
-				msleep(200);
-				wm831x_check_on_pin(wm831x_chg);
-
-			}
-					
-		}
-		else if(status == BAT_DISCHARGING)
-		{
-
-		#ifdef CONFIG_RK29_CHARGE_EARLYSUSPEND
-			charger_logo_display(chargerlogo[7]);
-		#else
-			if(wm831x_chg->flag_bl != 0)
-			charger_logo_display(chargerlogo[7]);
-		#endif
-			msleep(200);
-			wm831x_check_on_pin(wm831x_chg);
-			msleep(200);
-			wm831x_check_on_pin(wm831x_chg);
-		}
-		
-		//suspend when timeout(about 50*200ms)
-		if(wm831x_chg->cnt_disp++ > 50)
-		{
-			if(wm831x_chg->flag_suspend == 0)
-			{
-				wm831x_chg->flag_suspend = 1;
-				wm831x_chg->cnt_disp = 0;
-				wm831x_chg->flag_bl = 0;
-				charger_backlight_ctrl(wm831x_chg->flag_bl);
-		#ifdef CONFIG_RK29_CHARGE_EARLYSUSPEND
-				wm831x_chg->flag_suspend = 0;
-		#endif
-
-			}
-			wm831x_chg->cnt_disp = 0;
-		}
-
-		printk("%s,status=%d,cnt_on=%d,cnt_disp=%d\n",__FUNCTION__,status,wm831x_chg->cnt_on,wm831x_chg->cnt_disp);
-
-		//open system if long time press
-		if(wm831x_chg->cnt_on > 4)
-		{
-			wm831x_chg->cnt_on = 0;
-			wm831x_chg->flag_bl = 1;
-			charger_backlight_ctrl(wm831x_chg->flag_bl);
-			wm831x_chg->flag_suspend = 0;
-			wm831x_chg->cnt_disp = 0;
-			break;
-		}	
-		
-	}
-
-	return 0;
-
-}
-int charge_status;
-static irqreturn_t wm831x_charge_irq(int irq, void *data)
-{
-
-	printk("wm831x_charge_irqxxaddxsf\n");
-	return IRQ_HANDLED;
-
-
-}
-extern struct wm831x_on *g_wm831x_on;
- irqreturn_t wm831x_on_irq(int irq, void *data);
-
-static int __devinit wm831x_chg_probe(struct platform_device *pdev)
-{
-	struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);;
-	struct wm831x_chg *wm831x_chg;
-
-//	struct wm831x_on *wm831x_on = container_of(wm831x,struct wm831x_on,*(wm831x));
-
-
-	int ret;
-	
-	wm831x_chg = kzalloc(sizeof(struct wm831x_chg), GFP_KERNEL);
-	if (!wm831x_chg) {
-		dev_err(&pdev->dev, "Can't allocate data\n");
-		return -ENOMEM;
-	}
-	charge_status = 1;
-	printk("%s:start\n",__FUNCTION__);
-	wm831x_chg->wm831x = wm831x;
-	wm831x_chg->flag_chg = 0;
-	wm831x_chg->logo_id = 0;
-	wm831x_chg->flag_bl = 1;
-	wm831x_chg->cnt_on = 0;
-	wm831x_chg->flag_suspend = 0;
-	platform_set_drvdata(pdev, wm831x_chg);
-
-#ifdef CONFIG_RK29_CHARGE_EARLYSUSPEND
-	wm831x_chg->flag_chg = wm831x_read_chg_status(wm831x_chg);
-	if(wm831x_chg->flag_chg != 0)
-	{
-		free_irq(wm831x_chg->wm831x->irq_base + WM831X_IRQ_ON,g_wm831x_on);
-		request_threaded_irq(wm831x_chg->wm831x->irq_base + WM831X_IRQ_ON,
-						NULL, wm831x_charge_irq,IRQF_TRIGGER_RISING, "wm831x_charge",
-					   wm831x_chg);
-
-		ret = rk29_charger_display(wm831x_chg);
-
-
-		free_irq(wm831x_chg->wm831x->irq_base + WM831X_IRQ_ON,wm831x_chg);
-		request_threaded_irq(wm831x_chg->wm831x->irq_base + WM831X_IRQ_ON,
-			NULL, wm831x_on_irq,IRQF_TRIGGER_RISING, "wm831x_on",  g_wm831x_on);
-	}
-#else
-	disable_irq_nosync(wm831x_chg->wm831x->irq_base + WM831X_IRQ_ON);
-	ret = rk29_charger_display(wm831x_chg);
-	enable_irq(wm831x_chg->wm831x->irq_base + WM831X_IRQ_ON);
-#endif
-	wm831x_chg->flag_chg = 0;
-	wm831x_chg->flag_bl = 1;
-	wm831x_chg->cnt_on = 0;
-	wm831x_chg->flag_suspend = 0;
-	charge_status = 0;
-	printk("%s:exit\n",__FUNCTION__);
-	return 0;
-
-}
-
-
-static int __devexit wm831x_chg_remove(struct platform_device *pdev)
-{
-	struct wm831x_chg *wm831x_chg = platform_get_drvdata(pdev);
-
-	kfree(wm831x_chg);
-
-	return 0;
-}
-
-static struct platform_driver wm831x_chg_driver = {
-	.probe		= wm831x_chg_probe,
-	.remove		= __devexit_p(wm831x_chg_remove),
-	.driver		= {
-		.name	= "wm831x_charger_display",
-		.owner	= THIS_MODULE,
-	},
-};
-
-static int __init wm831x_chg_init(void)
-{
-	return platform_driver_register(&wm831x_chg_driver);
-}
-late_initcall(wm831x_chg_init);
-
-static void __exit wm831x_chg_exit(void)
-{
-	platform_driver_unregister(&wm831x_chg_driver);
-}
-module_exit(wm831x_chg_exit);
-#endif
-
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("linjh<linjh@rock-chips.com>");
-MODULE_DESCRIPTION("charger display");