66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
*
|
||
|
|
* @file rwnx_irqs.c
|
||
|
|
*
|
||
|
|
* Copyright (C) RivieraWaves 2012-2019
|
||
|
|
*
|
||
|
|
******************************************************************************
|
||
|
|
*/
|
||
|
|
#include <linux/interrupt.h>
|
||
|
|
|
||
|
|
#include "rwnx_defs.h"
|
||
|
|
#include "ipc_host.h"
|
||
|
|
#include "rwnx_prof.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* rwnx_irq_hdlr - IRQ handler
|
||
|
|
*
|
||
|
|
* Handler registerd by the platform driver
|
||
|
|
*/
|
||
|
|
irqreturn_t rwnx_irq_hdlr(int irq, void *dev_id)
|
||
|
|
{
|
||
|
|
struct rwnx_hw *rwnx_hw = (struct rwnx_hw *)dev_id;
|
||
|
|
disable_irq_nosync(irq);
|
||
|
|
tasklet_schedule(&rwnx_hw->task);
|
||
|
|
return IRQ_HANDLED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* rwnx_task - Bottom half for IRQ handler
|
||
|
|
*
|
||
|
|
* Read irq status and process accordingly
|
||
|
|
*/
|
||
|
|
void rwnx_task(unsigned long data)
|
||
|
|
{
|
||
|
|
struct rwnx_hw *rwnx_hw = (struct rwnx_hw *)data;
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
struct rwnx_plat *rwnx_plat = rwnx_hw->plat;
|
||
|
|
u32 status, statuses = 0;
|
||
|
|
|
||
|
|
/* Ack unconditionnally in case ipc_host_get_status does not see the irq */
|
||
|
|
rwnx_plat->ack_irq(rwnx_plat);
|
||
|
|
|
||
|
|
while ((status = ipc_host_get_status(rwnx_hw->ipc_env))) {
|
||
|
|
statuses |= status;
|
||
|
|
/* All kinds of IRQs will be handled in one shot (RX, MSG, DBG, ...)
|
||
|
|
* this will ack IPC irqs not the cfpga irqs */
|
||
|
|
ipc_host_irq(rwnx_hw->ipc_env, status);
|
||
|
|
|
||
|
|
rwnx_plat->ack_irq(rwnx_plat);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
//if (statuses & IPC_IRQ_E2A_RXDESC)
|
||
|
|
// rwnx_hw->stats.last_rx = now;
|
||
|
|
//if (statuses & IPC_IRQ_E2A_TXCFM)
|
||
|
|
// rwnx_hw->stats.last_tx = now;
|
||
|
|
|
||
|
|
spin_lock_bh(&rwnx_hw->tx_lock);
|
||
|
|
rwnx_hwq_process_all(rwnx_hw);
|
||
|
|
spin_unlock_bh(&rwnx_hw->tx_lock);
|
||
|
|
#if 0
|
||
|
|
enable_irq(rwnx_platform_get_irq(rwnx_plat));
|
||
|
|
#endif
|
||
|
|
}
|