static int s3c_pm_enter(suspend_state_t state)
{
#ifndef USE_DMA_ALLOC
static unsigned long regs_save[16];
#endif /* !USE_DMA_ALLOC */
unsigned int tmp,audiodomain_On;
/* ensure the debug is initialised (if enabled) */
s3c_pm_debug_init();
S3C_PMDBG("%s(%d)\n", __func__, state);
if (pm_cpu_prep == NULL || pm_cpu_sleep == NULL) {
printk(KERN_ERR "%s: error: no cpu sleep function\n", __func__);
return -EINVAL;
}
/* check if we have anything to wake-up with... bad things seem
* to happen if you suspend with no wakeup (system will often
* require a full power-cycle)
*/
s3c_irqwake_intmask = 0xFFFD; // rtc_alarm
if (!any_allowed(s3c_irqwake_intmask, s3c_irqwake_intallow) &&
!any_allowed(s3c_irqwake_eintmask, s3c_irqwake_eintallow)) {
printk(KERN_ERR "%s: No wake-up sources!\n", __func__);
printk(KERN_ERR "%s: Aborting sleep\n", __func__);
return -EINVAL;
}
/* store the physical address of the register recovery block */
#ifndef USE_DMA_ALLOC
s3c_sleep_save_phys = virt_to_phys(regs_save);
#else
__raw_writel(phy_regs_save, S5P_INFORM2);
#endif /* !USE_DMA_ALLOC */
/* set flag for sleep mode idle2 flag is also reserved */
__raw_writel(SLEEP_MODE, S5P_INFORM1);
S3C_PMDBG("s3c_sleep_save_phys=0x%08lx\n", s3c_sleep_save_phys);
/* save all necessary core registers not covered by the drivers */
s3c_pm_save_gpios();
s3c_pm_save_uarts();
s3c_pm_save_core();
s3c_config_sleep_gpio();
/* set the irq configuration for wake */
s3c_pm_configure_extint();
S3C_PMDBG("sleep: irq wakeup masks: %08lx,%08lx\n",
s3c_irqwake_intmask, s3c_irqwake_eintmask);
/*Set EINT as wake up source*/
#if defined(CONFIG_OPTICAL_GP2A)
if(gp2a_get_proximity_enable())
{
s3c_pm_set_eint(2, 0x4); // Proximity
}
#endif
s3c_pm_set_eint( 6, 0x4); // det_3.5
s3c_pm_set_eint( 7, 0x2); // pmic
s3c_pm_set_eint(11, 0x2); // onedram
s3c_pm_set_eint(20, 0x3); // wifi
s3c_pm_set_eint(21, 0x4); // bt
s3c_pm_set_eint(22, 0x2); // power key
s3c_pm_set_eint(23, 0x2); // microusb
s3c_pm_set_eint(25, 0x4); // volume down
s3c_pm_set_eint(26, 0x4); // volume up
s3c_pm_set_eint(28, 0x4); // T_FLASH_DETECT
s3c_pm_set_eint(29, 0x4); // ok key
if(get_headset_status() & SEC_HEADSET_4_POLE_DEVICE)
{
s3c_pm_set_eint(30, 0x4); //sendend
}
else
{
s3c_pm_clear_eint(30);
}
//s3c_pm_arch_prepare_irqs();
/* call cpu specific preparation */
pm_cpu_prep();
/* flush cache back to ram */
flush_cache_all();
s3c_pm_check_store();
__raw_writel(s3c_irqwake_intmask, S5P_WAKEUP_MASK); //0xFFDD:key, RTC_ALARM
/*clear for next wakeup*/
tmp = __raw_readl(S5P_WAKEUP_STAT);
__raw_writel(tmp, S5P_WAKEUP_STAT);
//s3c_config_sleep_gpio();
// Enable PS_HOLD pin to avoid reset failure */
__raw_writel((0x5 << 12 | 0x1<<9 | 0x1<<8 | 0x1<<0),S5P_PSHOLD_CONTROL);
/* send the cpu to sleep... */
s3c_pm_arch_stop_clocks();
/* s3c_cpu_save will also act as our return point from when
* we resume as it saves its own register state and restores it
* during the resume. */
s3c_cpu_save(regs_save);
/* restore the cpu state using the kernel's cpu init code. */
cpu_init();
/* restore the system state */
s3c_pm_restore_core();
/*Reset the uart registers*/
__raw_writel(0x0, S3C24XX_VA_UART3+S3C2410_UCON);
__raw_writel(0xf, S3C24XX_VA_UART3+S5P_UINTM);
__raw_writel(0xf, S3C24XX_VA_UART3+S5P_UINTSP);
__raw_writel(0xf, S3C24XX_VA_UART3+S5P_UINTP);
__raw_writel(0x0, S3C24XX_VA_UART2+S3C2410_UCON);
__raw_writel(0xf, S3C24XX_VA_UART2+S5P_UINTM);
__raw_writel(0xf, S3C24XX_VA_UART2+S5P_UINTSP);
__raw_writel(0xf, S3C24XX_VA_UART2+S5P_UINTP);
__raw_writel(0x0, S3C24XX_VA_UART1+S3C2410_UCON);
__raw_writel(0xf, S3C24XX_VA_UART1+S5P_UINTM);
__raw_writel(0xf, S3C24XX_VA_UART1+S5P_UINTSP);
__raw_writel(0xf, S3C24XX_VA_UART1+S5P_UINTP);
__raw_writel(0x0, S3C24XX_VA_UART0+S3C2410_UCON);
__raw_writel(0xf, S3C24XX_VA_UART0+S5P_UINTM);
__raw_writel(0xf, S3C24XX_VA_UART0+S5P_UINTSP);
__raw_writel(0xf, S3C24XX_VA_UART0+S5P_UINTP);
s3c_pm_restore_uarts();
s3c_pm_restore_gpios();
tmp = readl(S5P_NORMAL_CFG);
if(!(tmp & S5PC110_POWER_DOMAIN_AUDIO)) {
tmp = tmp | S5PC110_POWER_DOMAIN_AUDIO;
writel(tmp , S5P_NORMAL_CFG);
audiodomain_On = 1;
} else {
audiodomain_On = 0;
}
/* enable gpio, uart, mmc */
tmp = __raw_readl(S5P_OTHERS);
tmp |= (1<<31) | (1<<30) | (1<<28) | (1<<29);
__raw_writel(tmp, S5P_OTHERS);
tmp = readl(S5P_NORMAL_CFG);
if (audiodomain_On) {
tmp = tmp & ~S5PC110_POWER_DOMAIN_AUDIO;
writel(tmp , S5P_NORMAL_CFG);
}
/*clear for next wakeup*/
tmp = __raw_readl(S5P_WAKEUP_STAT);
//printk("\nS5P_WAKEUP_STAT=%x\n",tmp);
__raw_writel(tmp, S5P_WAKEUP_STAT);
printk("wakeup source is 0x%x \n", tmp);
printk(" EXT_INT_0_PEND %x \n", __raw_readl(S5PV210_EINTPEND(0)));
printk(" EXT_INT_1_PEND %x \n", __raw_readl(S5PV210_EINTPEND(1)));
printk(" EXT_INT_2_PEND %x \n", __raw_readl(S5PV210_EINTPEND(2)));
printk(" EXT_INT_3_PEND %x \n", __raw_readl(S5PV210_EINTPEND(3)));
s3c_pm_clear_eint(21);
// s3c_pm_clear_eint(22); // to be cleared later
/* check what irq (if any) restored the system */
s3c_pm_debug_init();
s3c_pm_arch_show_resume_irqs();
#if defined(CONFIG_MACH_S5PC110_P1)
// Set wakeup stat
s3c_pm_set_wakeup_stat();
#endif // CONFIG_MACH_S5PC110_P1
//printk("Int pending register before =%d\n",readl(S5PV210_EINTPEND(eint_pend_reg(22))));
//printk("Int pending register after =%d\n",readl(S5PV210_EINTPEND(eint_pend_reg(22))));
//S3C_PMDBG("%s: post sleep, preparing to return\n", __func__);
//printk("%s: post sleep, preparing to return\n", __func__);
/* LEDs should now be 1110 */
//s3c_pm_debug_smdkled(1 << 1, 0);
s3c_pm_check_restore();
//mdelay(500);
/* ok, let's return from sleep */
printk(KERN_ERR "\n%s:%d\n", __func__, __LINE__);
S3C_PMDBG("S3C PM Resume (post-restore)\n");
return 0;
}
static int s3c_pm_enter(suspend_state_t state)
{
#ifndef USE_DMA_ALLOC
static unsigned long regs_save[16];
#endif /* !USE_DMA_ALLOC */
unsigned int tmp,audiodomain_On;
/* ensure the debug is initialised (if enabled) */
s3c_pm_debug_init();
S3C_PMDBG("%s(%d)\n", __func__, state);
if (pm_cpu_prep == NULL || pm_cpu_sleep == NULL) {
printk(KERN_ERR "%s: error: no cpu sleep function\n", __func__);
return -EINVAL;
}
/* check if we have anything to wake-up with... bad things seem
* to happen if you suspend with no wakeup (system will often
* require a full power-cycle)
*/
s3c_irqwake_intmask = 0xFFFD; // rtc_alarm
if (!any_allowed(s3c_irqwake_intmask, s3c_irqwake_intallow) &&
!any_allowed(s3c_irqwake_eintmask, s3c_irqwake_eintallow)) {
printk(KERN_ERR "%s: No wake-up sources!\n", __func__);
printk(KERN_ERR "%s: Aborting sleep\n", __func__);
return -EINVAL;
}
/* store the physical address of the register recovery block */
#ifndef USE_DMA_ALLOC
s3c_sleep_save_phys = virt_to_phys(regs_save);
#else
__raw_writel(phy_regs_save, S5P_INFORM2);
#endif /* !USE_DMA_ALLOC */
/* set flag for sleep mode idle2 flag is also reserved */
__raw_writel(SLEEP_MODE, S5P_INFORM1);
S3C_PMDBG("s3c_sleep_save_phys=0x%08lx\n", s3c_sleep_save_phys);
/* save all necessary core registers not covered by the drivers */
s3c_pm_save_gpios();
s3c_pm_save_uarts();
s3c_pm_save_core();
s3c_config_sleep_gpio();
/* set the irq configuration for wake */
s3c_pm_configure_extint();
S3C_PMDBG("sleep: irq wakeup masks: %08lx,%08lx\n",
s3c_irqwake_intmask, s3c_irqwake_eintmask);
/*Set EINT as wake up source*/
#if defined(CONFIG_OPTICAL_GP2A) || defined(CONFIG_S5PC110_DEMPSEY_BOARD)
if(gp2a_get_proximity_enable())
{
s3c_pm_set_eint(2, 0x4); // Proximity
}
#endif
#if defined(CONFIG_S5PC110_DEMPSEY_BOARD)
s3c_pm_set_eint( 6, 0x4); // det_3.5
s3c_pm_set_eint( 7, 0x2); // pmic
s3c_pm_set_eint(11, 0x2); // onedram
#if defined (CONFIG_CP_CHIPSET_STE)
s3c_pm_set_eint(12, 0x2); //INT_RESOUT
s3c_pm_set_eint(9, 0x2); //INT_CP_PWR_RST
#else
s3c_pm_set_eint(15, 0x4); //PHONE_ACTIVE
#endif
// s3c_pm_set_eint(20, 0x3); // wifi
s3c_pm_set_eint(21, 0x4); // bt
s3c_pm_set_eint(22, 0x2); // power key
s3c_pm_set_eint(23, 0x2); // microusb
// s3c_pm_set_eint(28, 0x4); // T_FLASH_DETECT: NC
// s3c_pm_set_eint(29, 0x4); // GYRO_INT
if(get_headset_status() & SEC_HEADSET_4_POLE_DEVICE)
{
s3c_pm_set_eint(30, 0x4); //sendend
}
else
{
s3c_pm_clear_eint(30);
}
#elif defined (CONFIG_S5PC110_HAWK_BOARD)
/*Set EINT 22 as wake up source*/
s3c_pm_set_eint(11, 0x2); // nINT_ONEDRAM_AP
#if defined(CONFIG_HAWK_VER_B1_REAL_ADDED_FEATURE) //NAGSM_Android_HQ_KERNEL_CLEE_20100908 : Setup Hawk Real Board Rev 0.1
s3c_pm_set_eint(31, 0x2); // nPower
s3c_pm_set_eint(24, 0x2); // Home key
#else
s3c_pm_set_eint(22, 0x2); // nPower
#endif
#if defined (CONFIG_CP_CHIPSET_STE)
s3c_pm_set_eint(12, 0x2); //INT_RESOUT
s3c_pm_set_eint(9, 0x2); //INT_CP_PWR_RST
#else
s3c_pm_set_eint(15, 0x4); //PHONE_ACTIVE
#endif
s3c_pm_set_eint(21, 0x4); // BT_HOST_WAKE
s3c_pm_set_eint(7, 0x02); //PMIC
s3c_pm_set_eint(6, 0x4); //det_3.5
s3c_pm_set_eint(28, 0x4); // T_FLASH_DETECT
#elif defined (CONFIG_S5PC110_VIBRANTPLUS_BOARD)
s3c_pm_set_eint( 6, 0x4); // det_3.5
s3c_pm_set_eint( 7, 0x2); // pmic
s3c_pm_set_eint(11, 0x2); // onedram
#if defined (CONFIG_CP_CHIPSET_STE)
s3c_pm_set_eint(12, 0x2); //INT_RESOUT
s3c_pm_set_eint(9, 0x2); //INT_CP_PWR_RST
#else
s3c_pm_set_eint(15, 0x4); //PHONE_ACTIVE
#endif
s3c_pm_set_eint(20, 0x3); // wifi
s3c_pm_set_eint(21, 0x4); // bt
s3c_pm_set_eint(22, 0x2); // power key
s3c_pm_set_eint(23, 0x2); // microusb
if((is_calling_or_playing & IS_VOICE_CALL_2G) || (is_calling_or_playing & IS_VOICE_CALL_3G) || (is_calling_or_playing & IS_DATA_CALL)){
s3c_pm_set_eint(25, 0x4); //volume up
s3c_pm_set_eint(26, 0x4); //volume down
}
s3c_pm_set_eint(28, 0x4); // T_FLASH_DETECT
#else
s3c_pm_set_eint( 6, 0x4); // det_3.5
s3c_pm_set_eint( 7, 0x2); // pmic
s3c_pm_set_eint(11, 0x2); // onedram
#if defined (CONFIG_CP_CHIPSET_STE)
s3c_pm_set_eint(12, 0x2); //INT_RESOUT
s3c_pm_set_eint(9, 0x2); //INT_CP_PWR_RST
#else
s3c_pm_set_eint(15, 0x4); //PHONE_ACTIVE
#endif
s3c_pm_set_eint(20, 0x3); // wifi
s3c_pm_set_eint(21, 0x4); // bt
s3c_pm_set_eint(22, 0x2); // power key
s3c_pm_set_eint(23, 0x2); // microusb
s3c_pm_set_eint(25, 0x4); // volume down
s3c_pm_set_eint(26, 0x4); // volume up
s3c_pm_set_eint(28, 0x4); // T_FLASH_DETECT
/*
s3c_pm_set_eint(29, 0x4); // ok key
if(get_headset_status() & SEC_HEADSET_4_POLE_DEVICE)
{
s3c_pm_set_eint(30, 0x4); //sendend
}
else
{
s3c_pm_clear_eint(30);
}
*/
#endif
#if defined CONFIG_T959_VER_B0
s3c_pm_set_eint(29, 0x4);
// [[junghyunseok edit for fuel_int interrupt control of fuel_gauge 20100504
#elif defined CONFIG_KEPLER_VER_B0
#elif defined(CONFIG_KEPLER_VER_B2) || defined(CONFIG_T959_VER_B5) || defined (CONFIG_S5PC110_VIBRANTPLUS_BOARD) || defined(CONFIG_S5PC110_DEMPSEY_BOARD)
s3c_pm_set_eint(27, 0x2);
// ]]junghyunseok edit for fuel_int interrupt control of fuel_gauge 20100504
#else
//gpio key
if(HWREV >= 0xB)
{
s3c_pm_set_eint(27, 0x4);
s3c_pm_set_eint(29, 0x4);
}
#endif
//[hdlnc_bp_ytkwon : 20100326
// #ifdef CONFIG_KEPLER_AUDIO_A1026
#if defined(CONFIG_S5PC110_KEPLER_BOARD)
if(HWREV!=0x08)
{
if(get_headset_status() & SEC_HEADSET_4_POLE_DEVICE)
{
s3c_pm_set_eint(30, 0x4); //sendend
s3c_pm_set_eint(18, 0x4); //sendend 2.5
}
else
{
s3c_pm_clear_eint(30);
s3c_pm_clear_eint(18);
}
}
#elif defined(CONFIG_S5PC110_T959_BOARD)
if(HWREV==0x0a ||HWREV==0x0c)
{
if(get_headset_status() & SEC_HEADSET_4_POLE_DEVICE)
{
s3c_pm_set_eint(30, 0x4); //sendend
}
else
{
s3c_pm_clear_eint(30);
}
}
else
{
if(get_headset_status() & SEC_HEADSET_4_POLE_DEVICE)
{
s3c_pm_set_eint(30, 0x4); //sendend
s3c_pm_set_eint(18, 0x4); //sendend 2.5
}
else
{
s3c_pm_clear_eint(30);
s3c_pm_clear_eint(18);
}
}
#else //sidekick, hawk, vibrantplus
if(get_headset_status() & SEC_HEADSET_4_POLE_DEVICE)
{
s3c_pm_set_eint(30, 0x4); //sendend
s3c_pm_set_eint(18, 0x4); //sendend 2.5
}
else
{
s3c_pm_clear_eint(30);
s3c_pm_clear_eint(18);
}
#endif
//]hdlnc_bp_ytkwon : 20100326
#if defined (CONFIG_S5PC110_HAWK_BOARD)
if(gp2a_get_proximity_enable())
{
#if defined(CONFIG_HAWK_VER_B1_REAL_ADDED_FEATURE) //NAGSM_Android_HQ_KERNEL_CLEE_20100928 : Setup Hawk Real Board Rev 0.1 Proximity sensor
s3c_pm_set_eint(10, 0x2);//proximity
#else
s3c_pm_set_eint(2, 0x4);//proximity
#endif
}
s3c_pm_set_eint(20, 0x3);//WiFi
s3c_pm_set_eint(23, 0x2);//microusb
#endif
//s3c_pm_arch_prepare_irqs();
/* call cpu specific preparation */
pm_cpu_prep();
/* flush cache back to ram */
flush_cache_all();
s3c_pm_check_store();
// __raw_writel(s3c_irqwake_intmask, S5P_WAKEUP_MASK); //0xFFDD:key, RTC_ALARM
if((is_calling_or_playing & IS_VOICE_CALL_2G) || (is_calling_or_playing & IS_VOICE_CALL_3G) || (is_calling_or_playing & IS_DATA_CALL)){
__raw_writel(0xFFDD, S5P_WAKEUP_MASK); //0xFFDD:key, RTC_ALARM
}else{
__raw_writel(0xFFFD, S5P_WAKEUP_MASK); //0xFFDD:key, RTC_ALARM
}
/*clear for next wakeup*/
tmp = __raw_readl(S5P_WAKEUP_STAT);
__raw_writel(tmp, S5P_WAKEUP_STAT);
//s3c_config_sleep_gpio();
// Enable PS_HOLD pin to avoid reset failure */
__raw_writel((0x5 << 12 | 0x1<<9 | 0x1<<8 | 0x1<<0),S5P_PSHOLD_CONTROL);
/* send the cpu to sleep... */
s3c_pm_arch_stop_clocks();
/* s3c_cpu_save will also act as our return point from when
* we resume as it saves its own register state and restores it
* during the resume. */
s3c_cpu_save(regs_save);
/* restore the cpu state using the kernel's cpu init code. */
cpu_init();
/* restore the system state */
s3c_pm_restore_core();
/*Reset the uart registers*/
__raw_writel(0x0, S3C24XX_VA_UART3+S3C2410_UCON);
__raw_writel(0xf, S3C24XX_VA_UART3+S5P_UINTM);
__raw_writel(0xf, S3C24XX_VA_UART3+S5P_UINTSP);
__raw_writel(0xf, S3C24XX_VA_UART3+S5P_UINTP);
__raw_writel(0x0, S3C24XX_VA_UART2+S3C2410_UCON);
__raw_writel(0xf, S3C24XX_VA_UART2+S5P_UINTM);
__raw_writel(0xf, S3C24XX_VA_UART2+S5P_UINTSP);
__raw_writel(0xf, S3C24XX_VA_UART2+S5P_UINTP);
__raw_writel(0x0, S3C24XX_VA_UART1+S3C2410_UCON);
__raw_writel(0xf, S3C24XX_VA_UART1+S5P_UINTM);
__raw_writel(0xf, S3C24XX_VA_UART1+S5P_UINTSP);
__raw_writel(0xf, S3C24XX_VA_UART1+S5P_UINTP);
__raw_writel(0x0, S3C24XX_VA_UART0+S3C2410_UCON);
__raw_writel(0xf, S3C24XX_VA_UART0+S5P_UINTM);
__raw_writel(0xf, S3C24XX_VA_UART0+S5P_UINTSP);
__raw_writel(0xf, S3C24XX_VA_UART0+S5P_UINTP);
s3c_pm_restore_uarts();
s3c_pm_restore_gpios();
/* enable gpio, uart, mmc */
tmp = __raw_readl(S5P_OTHERS);
tmp |= (1<<31) | (1<<30) | (1<<28) | (1<<29);
__raw_writel(tmp, S5P_OTHERS);
/*clear for next wakeup*/
tmp = __raw_readl(S5P_WAKEUP_STAT);
//printk("\nS5P_WAKEUP_STAT=%x\n",tmp);
__raw_writel(tmp, S5P_WAKEUP_STAT);
printk("wakeup source is 0x%x \n", tmp);
printk(" EXT_INT_0_PEND %x \n", __raw_readl(S5PV210_EINTPEND(0)));
printk(" EXT_INT_1_PEND %x \n", __raw_readl(S5PV210_EINTPEND(1)));
printk(" EXT_INT_2_PEND %x \n", __raw_readl(S5PV210_EINTPEND(2)));
printk(" EXT_INT_3_PEND %x \n", __raw_readl(S5PV210_EINTPEND(3)));
#if defined(CONFIG_S5PC110_HAWK_BOARD)
// s3c_pm_clear_eint(21);
#else
s3c_pm_clear_eint(21);
#endif
// s3c_pm_clear_eint(22); // to be cleared later
/* check what irq (if any) restored the system */
s3c_pm_debug_init();
s3c_pm_arch_show_resume_irqs();
#if defined(CONFIG_MACH_S5PC110_P1)
// Set wakeup stat
s3c_pm_set_wakeup_stat();
#endif // CONFIG_MACH_S5PC110_P1
//printk("Int pending register before =%d\n",readl(S5PV210_EINTPEND(eint_pend_reg(22))));
//printk("Int pending register after =%d\n",readl(S5PV210_EINTPEND(eint_pend_reg(22))));
//S3C_PMDBG("%s: post sleep, preparing to return\n", __func__);
//printk("%s: post sleep, preparing to return\n", __func__);
/* LEDs should now be 1110 */
//s3c_pm_debug_smdkled(1 << 1, 0);
s3c_pm_check_restore();
//mdelay(500);
/* ok, let's return from sleep */
printk(KERN_ERR "\n%s:%d\n", __func__, __LINE__);
S3C_PMDBG("S3C PM Resume (post-restore)\n");
return 0;
}
