int kbase_platform_regulator_init(void)
{
#ifdef CONFIG_REGULATOR
int mali_gpu_vol = 0;
g3d_regulator = regulator_get(NULL, "vdd_g3d");
if (IS_ERR(g3d_regulator)) {
printk("[kbase_platform_regulator_init] failed to get mali t6xx regulator\n");
return -1;
}
if (regulator_enable(g3d_regulator) != 0) {
printk("[kbase_platform_regulator_init] failed to enable mali t6xx regulator\n");
return -1;
}
#ifdef MALI_DVFS_ASV_ENABLE
mali_gpu_vol = asv_get_volt(ID_G3D, MALI_DVFS_BL_CONFIG_FREQ*1000);
#endif
if (mali_gpu_vol == 0)
mali_gpu_vol = mali_dvfs_infotbl[ARRAY_SIZE(mali_dvfs_infotbl)-1].voltage;
if (regulator_set_voltage(g3d_regulator, mali_gpu_vol, mali_gpu_vol) != 0) {
printk("[kbase_platform_regulator_init] failed to set mali t6xx operating voltage [%d]\n", mali_gpu_vol);
return -1;
}
#endif
return 0;
}
static int __init set_volt_table(void)
{
unsigned int i;
max_support_idx = L0;
for (i = 0; i < CPUFREQ_LEVEL_END; i++) {
exynos5250_volt_table[i] = asv_get_volt(ID_ARM, exynos5250_freq_table[i].frequency);
if (exynos5250_volt_table[i] == 0) {
pr_err("%s: invalid value\n", __func__);
return -EINVAL;
}
}
return 0;
}
static int mali_dvfs_update_asv(int cmd)
{
int i;
int voltage = 0;
if (cmd == ASV_CMD_DISABLE) {
for (i = 0; i < MALI_DVFS_STEP; i++)
mali_dvfs_infotbl[i].voltage = mali_dvfs_vol_default[i];
printk(KERN_DEBUG "mali_dvfs_update_asv use default table\n");
return ASV_STATUS_INIT;
}
for (i = 0; i < MALI_DVFS_STEP; i++) {
voltage = asv_get_volt(ID_G3D, mali_dvfs_infotbl[i].clock*1000);
if (voltage == 0) {
return ASV_STATUS_NOT_INIT;
}
mali_dvfs_infotbl[i].voltage = voltage;
}
return ASV_STATUS_INIT;
}
