/**
@brief shmem-specific interrupt handler for MCU_IPC interrupt
1) Gets a free snapshot slot.\n
2) Reads the RXQ status and saves the status to the free mst slot.\n
3) Invokes mem_irq_handler that is common to all memory-type interfaces.\n
@param data the pointer to a mem_link_device instance
*/
static void shmem_irq_handler(void *data)
{
struct mem_link_device *mld = (struct mem_link_device *)data;
struct mst_buff *msb;
msb = mem_take_snapshot(mld, RX);
if (!msb)
return;
mem_irq_handler(mld, msb);
}
/**
@brief interrupt handler for a MIPI-LLI IPC interrupt
1) Get a free mst buffer\n
2) Reads the RXQ status and saves the status to the mst buffer\n
3) Saves the interrupt value to the mst buffer\n
4) Invokes mem_irq_handler that is common to all memory-type interfaces\n
@param data the pointer to a mem_link_device instance
@param intr the interrupt value
*/
static void lli_irq_handler(void *data, u32 intr)
{
struct mem_link_device *mld = (struct mem_link_device *)data;
struct mst_buff *msb;
/* Prohibit CP from going to sleep */
if (gpio_get_value(mld->gpio_cp_status) == 0
|| gpio_get_value(mld->gpio_ap_status) == 0)
print_pm_status(mld);
msb = mem_take_snapshot(mld, RX);
if (!msb)
return;
msb->snapshot.int2ap = (u16)intr;
mem_irq_handler(mld, msb);
}
/**
@brief interrupt handler for a MIPI-LLI IPC interrupt
1) Get a free mst buffer\n
2) Reads the RXQ status and saves the status to the mst buffer\n
3) Saves the interrupt value to the mst buffer\n
4) Invokes mem_irq_handler that is common to all memory-type interfaces\n
@param data the pointer to a mem_link_device instance
@param intr the interrupt value
*/
static void lli_irq_handler(void *data, enum mipi_lli_event event, u32 intr)
{
struct mem_link_device *mld = (struct mem_link_device *)data;
struct mst_buff *msb;
if (event == LLI_EVENT_SIG) {
msb = mem_take_snapshot(mld, RX);
if (!msb)
return;
msb->snapshot.int2ap = (u16)intr;
mem_irq_handler(mld, msb);
} else {
struct link_device *ld = &mld->link_dev;
struct modem_link_pm *pm = &ld->pm;
check_lli_irq(pm, event);
}
}