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rk30 pm.c: fix ctr bits parameter to support help inf,add arm\logic suspend volt parameter

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2013-07-27 15:05:59 +08:00
parent 4e4b0ce834
commit d42f4850f6
2 changed files with 82 additions and 6 deletions
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84
arch/arm/mach-rk30/pm.c Normal file → Executable file
View File

@@ -25,6 +25,9 @@
#include <mach/debug_uart.h>
#include <plat/efuse.h>
#include <plat/cpu.h>
#include <linux/regulator/machine.h>
#define cru_readl(offset) readl_relaxed(RK30_CRU_BASE + offset)
#define cru_writel(v, offset) do { writel_relaxed(v, RK30_CRU_BASE + offset); dsb(); } while (0)
@@ -1000,7 +1003,7 @@ struct rk_soc_pm_info_st rk_soc_pm_helps[]={
RK_SOC_PM_HELP_(WAKE_UP_KEY,"send a power key to wake up lcd"),
};
ssize_t rk_soc_pm_helps_print(char *buf)
ssize_t rk_soc_pm_helps_sprintf(char *buf)
{
char *s = buf;
int i;
@@ -1013,6 +1016,17 @@ ssize_t rk_soc_pm_helps_print(char *buf)
return (s-buf);
}
void rk_soc_pm_helps_printk(void)
{
int i;
printk("**************rk_suspend_ctr_bits bits help***********:\n");
for(i=0;i<ARRAY_SIZE(rk_soc_pm_helps);i++)
{
printk("bit(%d): %s\n", rk_soc_pm_helps[i].offset,rk_soc_pm_helps[i].name);
}
}
// pm enter return directly
#define RK_SUSPEND_RET_DIRT_BITS ((1<<RK_PM_CTR_RET_DIRT))
// not enter rk30_suspend
@@ -1024,14 +1038,25 @@ ssize_t rk_soc_pm_helps_print(char *buf)
static u32 __sramdata rk_soc_pm_ctr_flags_sram=0;
static u32 rk_soc_pm_ctr_flags=0;
static int arm_suspend_volt = 0;
static int logic_suspend_volt = 0;
static int __init early_param_rk_soc_pm_ctr(char *str)
{
get_option(&str, &rk_soc_pm_ctr_flags);
printk("early_param_rk_soc_pm_ctr=%x\n",rk_soc_pm_ctr_flags);
printk("********rk_suspend_ctr_bits information is following:*********\n");
printk("rk_suspend_ctr_bits=%x\n",rk_soc_pm_ctr_flags);
if(rk_soc_pm_ctr_flags)
{
rk_soc_pm_helps_printk();
}
printk("********rk_suspend_ctr_bits information end*********\n");
return 0;
}
early_param("rk_soc_pm_ctr", early_param_rk_soc_pm_ctr);
early_param("rk_suspend_ctr_bits", early_param_rk_soc_pm_ctr);
void rk_soc_pm_ctr_bits_set(u32 flags)
{
@@ -1072,6 +1097,57 @@ void rk_soc_pm_ctr_bits_prepare(void)
}
static int __init set_arm_suspend_volt(char *str)
{
get_option(&str, &arm_suspend_volt);
printk("rk_suspend_arm_volt=%dmV\n", arm_suspend_volt);
return 0;
}
early_param("rk_suspend_arm_volt", set_arm_suspend_volt);
static int __init set_logic_suspend_volt(char *str)
{
get_option(&str, &logic_suspend_volt);
printk("rk_suspend_logic_volt=%dmV\n", logic_suspend_volt);
return 0;
}
early_param("rk_suspend_logic_volt", set_logic_suspend_volt);
static int __init pm_suspend_volt_seting(void)
{
struct regulator *regulator;
printk("pmic set pm_suspend_volt:\n");
if (arm_suspend_volt){
regulator = regulator_get(NULL, "vdd_cpu");
if (IS_ERR(regulator)){
printk("%s:get vdd_cpu regulator err\n", __func__);
return 0;
}
regulator_set_suspend_voltage(regulator, arm_suspend_volt);
regulator_put(regulator);
}
if (logic_suspend_volt){
regulator = regulator_get(NULL, "vdd_core");
if (IS_ERR(regulator)){
printk("%s:get vdd_core regulator err\n", __func__);
return 0;
}
regulator_set_suspend_voltage(regulator, logic_suspend_volt);
regulator_put(regulator);
}
return 0;
}
device_initcall_sync(pm_suspend_volt_seting);
/*********************************pm main function******************************************/
static void __sramfunc rk30_sram_suspend(void)
{
@@ -1206,7 +1282,6 @@ static struct platform_suspend_ops rk30_pm_ops = {
static int __init rk30_pm_init(void)
{
suspend_set_ops(&rk30_pm_ops);
#ifdef CONFIG_EARLYSUSPEND
pm_set_vt_switch(0); /* disable vt switch while suspend */
#endif
@@ -1214,3 +1289,4 @@ static int __init rk30_pm_init(void)
return 0;
}
__initcall(rk30_pm_init);

4
arch/arm/plat-rk/rk_pm_tests/rk_suspend_test.c
View File

@@ -96,14 +96,14 @@ ssize_t auto_wakeup_store(struct kobject *kobj, struct kobj_attribute *attr,
void rk_soc_pm_ctr_bits_set(u32 flags);
u32 rk_soc_pm_ctr_bits_get(void);
ssize_t rk_soc_pm_helps_print(char *buf);
ssize_t rk_soc_pm_helps_sprintf(char *buf);
ssize_t suspend_test_show(struct kobject *kobj, struct kobj_attribute *attr,
char *buf)
{
char *s = buf;
s += sprintf(s, "control bits is 0X%x,if bit is 1,information is following\n", rk_soc_pm_ctr_bits_get());
s += rk_soc_pm_helps_print(s);
s += rk_soc_pm_helps_sprintf(s);
return (s - buf);