^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright 2014-2016 Freescale Semiconductor Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright 2017-2019 NXP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #ifndef __FSL_DPAA2_IO_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define __FSL_DPAA2_IO_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/cpumask.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/irqreturn.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "dpaa2-fd.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "dpaa2-global.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct dpaa2_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct dpaa2_io_store;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * DOC: DPIO Service
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * The DPIO service provides APIs for users to interact with the datapath
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * by enqueueing and dequeing frame descriptors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * The following set of APIs can be used to enqueue and dequeue frames
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * as well as producing notification callbacks when data is available
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * for dequeue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define DPAA2_IO_ANY_CPU -1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * struct dpaa2_io_desc - The DPIO descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * @receives_notifications: Use notificaton mode. Non-zero if the DPIO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * has a channel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * @has_8prio: Set to non-zero for channel with 8 priority WQs. Ignored
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * unless receives_notification is TRUE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * @cpu: The cpu index that at least interrupt handlers will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * execute on.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * @stash_affinity: The stash affinity for this portal favour 'cpu'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * @regs_cena: The cache enabled regs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * @regs_cinh: The cache inhibited regs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * @dpio_id: The dpio index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * @qman_version: The qman version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * Describes the attributes and features of the DPIO object.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct dpaa2_io_desc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) int receives_notifications;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) int has_8prio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) int cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) void *regs_cena;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) void __iomem *regs_cinh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) int dpio_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) u32 qman_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) void dpaa2_io_down(struct dpaa2_io *d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) irqreturn_t dpaa2_io_irq(struct dpaa2_io *obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct dpaa2_io *dpaa2_io_service_select(int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * struct dpaa2_io_notification_ctx - The DPIO notification context structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * @cb: The callback to be invoked when the notification arrives
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) * @is_cdan: Zero for FQDAN, non-zero for CDAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * @id: FQID or channel ID, needed for rearm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * @desired_cpu: The cpu on which the notifications will show up. Use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * DPAA2_IO_ANY_CPU if don't care
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * @dpio_id: The dpio index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * @qman64: The 64-bit context value shows up in the FQDAN/CDAN.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * @node: The list node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * @dpio_private: The dpio object internal to dpio_service
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * Used when a FQDAN/CDAN registration is made by drivers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct dpaa2_io_notification_ctx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) void (*cb)(struct dpaa2_io_notification_ctx *ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) int is_cdan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) u32 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) int desired_cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int dpio_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) u64 qman64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct list_head node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) void *dpio_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int dpaa2_io_get_cpu(struct dpaa2_io *d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) int dpaa2_io_service_register(struct dpaa2_io *service,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) struct dpaa2_io_notification_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) void dpaa2_io_service_deregister(struct dpaa2_io *service,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct dpaa2_io_notification_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) int dpaa2_io_service_rearm(struct dpaa2_io *service,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct dpaa2_io_notification_ctx *ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) int dpaa2_io_service_pull_fq(struct dpaa2_io *d, u32 fqid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct dpaa2_io_store *s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) int dpaa2_io_service_pull_channel(struct dpaa2_io *d, u32 channelid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct dpaa2_io_store *s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) int dpaa2_io_service_enqueue_fq(struct dpaa2_io *d, u32 fqid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) const struct dpaa2_fd *fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) int dpaa2_io_service_enqueue_multiple_fq(struct dpaa2_io *d, u32 fqid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) const struct dpaa2_fd *fd, int number_of_frame);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) int dpaa2_io_service_enqueue_multiple_desc_fq(struct dpaa2_io *d, u32 *fqid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) const struct dpaa2_fd *fd, int number_of_frame);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) int dpaa2_io_service_enqueue_qd(struct dpaa2_io *d, u32 qdid, u8 prio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) u16 qdbin, const struct dpaa2_fd *fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) int dpaa2_io_service_release(struct dpaa2_io *d, u16 bpid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) const u64 *buffers, unsigned int num_buffers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int dpaa2_io_service_acquire(struct dpaa2_io *d, u16 bpid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) u64 *buffers, unsigned int num_buffers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct dpaa2_io_store *dpaa2_io_store_create(unsigned int max_frames,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) void dpaa2_io_store_destroy(struct dpaa2_io_store *s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) struct dpaa2_dq *dpaa2_io_store_next(struct dpaa2_io_store *s, int *is_last);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) int dpaa2_io_query_fq_count(struct dpaa2_io *d, u32 fqid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) u32 *fcnt, u32 *bcnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) int dpaa2_io_query_bp_count(struct dpaa2_io *d, u16 bpid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) u32 *num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) #endif /* __FSL_DPAA2_IO_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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