int determine_lpm(void)
{
if (exynos_check_aud_pwr() != AUD_PWR_LPA)
return SYS_AFTR;
if (check_hw_status(lpm_regs, lpm_reg_num)) {
lpa_blocking_counter(1);
return SYS_AFTR;
}
if (exynos_lpa_prepare()) {
lpa_blocking_counter(0);
return SYS_AFTR;
}
#if defined(CONFIG_GPS_BCMxxxxx)
if (check_gps_op())
return SYS_AFTR;
#endif
if (check_cp_status()) {
lpa_blocking_counter(2);
return SYS_AFTR;
}
return SYS_LPA;
}
bool is_lpc_available(unsigned int target_residency)
{
if (!lpc_enabled)
return false;
if (is_busy(target_residency, cpu_online_mask))
return false;
if (check_hw_status(lpc_regs, lpc_reg_num))
return false;
if (exynos_lpc_prepare())
return false;
if (pwm_check_enable_cnt())
return false;
#if defined(CONFIG_GPS_BCMxxxxx)
if (check_gps_op())
return false;
#endif
if (check_cp_status())
return false;
return true;
}
static long spi_boot_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
{
int ret = 0;
struct modem_firmware img;
struct modem_boot_spi *loader = filp->private_data;
mutex_lock(&loader->lock);
switch (cmd) {
case IOCTL_MODEM_XMIT_BOOT:
ret = copy_from_user(&img, (const void __user *)arg,
sizeof(struct modem_firmware));
if (ret) {
mif_err("ERR! copy_from_user fail (err %d)\n", ret);
ret = -EFAULT;
goto exit_err;
}
mif_info("IOCTL_MODEM_XMIT_BOOT (size %d)\n", img.size);
ret = spi_boot_write(loader, img.binary, img.size);
if (ret < 0) {
mif_err("ERR! spi_boot_write fail (err %d)\n", ret);
break;
}
if (!loader->gpio_cp_status)
break;
ret = check_cp_status(loader->gpio_cp_status, 100);
if (ret < 0) {
mif_err("ERR! check_cp_status fail (err %d)\n", ret);
c2c_reload();
}
break;
default:
mif_err("ioctl cmd error\n");
ret = -ENOIOCTLCMD;
break;
}
mutex_unlock(&loader->lock);
exit_err:
return ret;
}
