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-rw-r--r--include/linux/dma/k3-psil.h27
1 files changed, 21 insertions, 6 deletions
diff --git a/include/linux/dma/k3-psil.h b/include/linux/dma/k3-psil.h
index 61d5cc0ad601..5f106d852f1c 100644
--- a/include/linux/dma/k3-psil.h
+++ b/include/linux/dma/k3-psil.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
- * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
+ * Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com
*/
#ifndef K3_PSIL_H_
@@ -42,27 +42,42 @@ enum psil_endpoint_type {
/**
* struct psil_endpoint_config - PSI-L Endpoint configuration
* @ep_type: PSI-L endpoint type
+ * @channel_tpl: Desired throughput level for the channel
* @pkt_mode: If set, the channel must be in Packet mode, otherwise in
* TR mode
* @notdpkt: TDCM must be suppressed on the TX channel
* @needs_epib: Endpoint needs EPIB
- * @psd_size: If set, PSdata is used by the endpoint
- * @channel_tpl: Desired throughput level for the channel
* @pdma_acc32: ACC32 must be enabled on the PDMA side
* @pdma_burst: BURST must be enabled on the PDMA side
+ * @psd_size: If set, PSdata is used by the endpoint
+ * @mapped_channel_id: PKTDMA thread to channel mapping for mapped channels.
+ * The thread must be serviced by the specified channel if
+ * mapped_channel_id is >= 0 in case of PKTDMA
+ * @flow_start: PKDMA flow range start of mapped channel. Unmapped
+ * channels use flow_id == chan_id
+ * @flow_num: PKDMA flow count of mapped channel. Unmapped channels
+ * use flow_id == chan_id
+ * @default_flow_id: PKDMA default (r)flow index of mapped channel.
+ * Must be within the flow range of the mapped channel.
*/
struct psil_endpoint_config {
enum psil_endpoint_type ep_type;
+ enum udma_tp_level channel_tpl;
unsigned pkt_mode:1;
unsigned notdpkt:1;
unsigned needs_epib:1;
- u32 psd_size;
- enum udma_tp_level channel_tpl;
-
/* PDMA properties, valid for PSIL_EP_PDMA_* */
unsigned pdma_acc32:1;
unsigned pdma_burst:1;
+
+ u32 psd_size;
+ /* PKDMA mapped channel */
+ s16 mapped_channel_id;
+ /* PKTDMA tflow and rflow ranges for mapped channel */
+ u16 flow_start;
+ u16 flow_num;
+ s16 default_flow_id;
};
int psil_set_new_ep_config(struct device *dev, const char *name,