-/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
#define MHI_RPM_AUTOSUSPEND_TMR_VAL_MS 1000
#define MAX_BUF_SIZE 32
+#define HW_EVENT_RINGS_ALLOCATED 2
+
#define PRIMARY_CMD_RING 0
#define MHI_WORK_Q_MAX_SIZE 128
#define MHI_PCIE_DEVICE_ID_ZIRC 0x0301
#define TRB_MAX_DATA_SIZE 0x1000
-
#define MHI_DATA_SEG_WINDOW_START_ADDR 0x0ULL
#define MHI_DATA_SEG_WINDOW_END_ADDR 0x3E800000ULL
#define MHI_M2_DEBOUNCE_TMR_MS 10
+
#define MHI_XFER_DB_INTERVAL 8
#define MHI_EV_DB_INTERVAL 1
#define MHI_THREAD_SLEEP_TIMEOUT_MS 20
#define MHI_RESUME_WAKE_RETRIES 20
+#define IS_HW_EV_RING(_mhi_dev_ctxt, _EV_INDEX) (_EV_INDEX >= \
+ ((_mhi_dev_ctxt)->mmio_info.nr_event_rings - \
+ HW_EVENT_RINGS_ALLOCATED))
+
+#define IS_SW_EV_RING(_mhi_dev_ctxt, _EV_INDEX) (_EV_INDEX < \
+ ((_mhi_dev_ctxt)->mmio_info.nr_event_rings - \
+ HW_EVENT_RINGS_ALLOCATED))
+
/* Debugging Capabilities*/
#define MHI_DBG_MAX_EVENT_HISTORY 10
added_xfer_pkt->data_tx_pkt =
*(struct mhi_tx_pkt *)removed_xfer_pkt;
} else if (MHI_RING_TYPE_EVENT_RING == ring_type) {
+
spinlock_t *lock;
unsigned long flags;
if (ring_index >= mhi_dev_ctxt->mmio_info.nr_event_rings)
return MHI_STATUS_ERROR;
-
lock = &mhi_dev_ctxt->mhi_ev_spinlock_list[ring_index];
spin_lock_irqsave(lock, flags);
db_value = mhi_v2p_addr(mhi_dev_ctxt, ring_type, ring_index,
/* Event Doorbell and Polling mode Disabled */
} else if (io_addr == mhi_dev_ctxt->mmio_info.event_db_addr) {
/* Only ring for software channel */
- if (IS_SOFTWARE_CHANNEL(chan) ||
+ if (IS_SW_EV_RING(mhi_dev_ctxt, chan) ||
!mhi_dev_ctxt->flags.uldl_enabled) {
mhi_write_db(mhi_dev_ctxt, io_addr, chan, val);
mhi_dev_ctxt->flags.db_mode[chan] = 0;