void modem_crash_shutdown(const struct subsys_desc *subsys)
{
struct q6v4_modem *drv = desc_to_modem(subsys);
drv->crash_shutdown = 1;
smsm_reset_modem(SMSM_RESET);
}
static int modem_ramdump(int enable, const struct subsys_desc *subsys)
{
struct q6v4_modem *drv = desc_to_modem(subsys);
int ret;
if (!enable)
return 0;
ret = do_ramdump(drv->sw_ramdump_dev, sw_segments,
ARRAY_SIZE(sw_segments));
if (ret < 0)
return ret;
ret = do_ramdump(drv->fw_ramdump_dev, fw_segments,
ARRAY_SIZE(fw_segments));
if (ret < 0)
return ret;
ret = do_ramdump(drv->smem_ramdump_dev, smem_segments,
ARRAY_SIZE(smem_segments));
if (ret < 0)
return ret;
return 0;
}
static void modem_stop(const struct subsys_desc *desc)
{
struct q6v4_modem *drv = desc_to_modem(desc);
if (drv->loadable) {
pil_shutdown(&drv->q6_sw.desc);
pil_shutdown(&drv->q6_fw.desc);
}
}
static int modem_powerup(const struct subsys_desc *subsys)
{
struct q6v4_modem *drv = desc_to_modem(subsys);
if (drv->loadable) {
pil_force_boot("modem_fw");
pil_force_boot("modem");
}
enable_irq(drv->q6_fw.wdog_irq);
enable_irq(drv->q6_sw.wdog_irq);
return 0;
}
static int modem_start(const struct subsys_desc *desc)
{
struct q6v4_modem *drv = desc_to_modem(desc);
int ret = 0;
if (drv->loadable) {
ret = pil_boot(&drv->q6_fw.desc);
if (ret)
return ret;
ret = pil_boot(&drv->q6_sw.desc);
if (ret)
pil_shutdown(&drv->q6_fw.desc);
}
return ret;
}
static int modem_shutdown(const struct subsys_desc *subsys)
{
struct q6v4_modem *drv = desc_to_modem(subsys);
/* The watchdogs keep running even after the modem is shutdown */
writel_relaxed(0x0, drv->q6_fw.wdog_base + 0x24);
writel_relaxed(0x0, drv->q6_sw.wdog_base + 0x24);
mb();
if (drv->loadable) {
pil_force_shutdown("modem");
pil_force_shutdown("modem_fw");
}
disable_irq_nosync(drv->q6_fw.wdog_irq);
disable_irq_nosync(drv->q6_sw.wdog_irq);
return 0;
}
static int modem_powerup(const struct subsys_desc *subsys)
{
struct q6v4_modem *drv = desc_to_modem(subsys);
int ret;
if (drv->loadable) {
ret = pil_boot(&drv->q6_fw.desc);
if (ret)
return ret;
ret = pil_boot(&drv->q6_sw.desc);
if (ret) {
pil_shutdown(&drv->q6_fw.desc);
return ret;
}
}
enable_irq(drv->q6_fw.wdog_irq);
enable_irq(drv->q6_sw.wdog_irq);
return 0;
}
