930c2eb358
This snapshot is taken as of msm-4.14
commit b9f2c2a80f8b
("spmi: pmic_arb: add interrupt support to virtio spmi").
Change-Id: I79eaa03591dbd3c32db2175045f6033b38a9c8ea
Signed-off-by: Ping Jiang <scottjiang@codeaurora.org>
60 lines
1.1 KiB
C
60 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2019-2021, The Linux Foundation. All rights reserved. */
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#ifndef _LINUX_VIRTIO_SPMI_H
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#define _LINUX_VIRTIO_SPMI_H
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#include <linux/types.h>
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#include <linux/virtio_ids.h>
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#include <linux/virtio_config.h>
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#include <linux/virtio_types.h>
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/* Feature bits */
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#define VIRTIO_SPMI_F_INT 1 /* Support interrupt */
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#define VM_MAX_PERIPHS 512
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/* Configuration layout */
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struct virtio_spmi_config {
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__u16 ppid_allowed[VM_MAX_PERIPHS];
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} __packed;
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struct payload_cmd {
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__virtio32 cmd;
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__virtio32 data[2];
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};
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struct payload_irq {
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__virtio16 ppid;
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__virtio32 regval;
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};
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union payload_data {
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struct payload_cmd cmdd;
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struct payload_irq irqd;
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};
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struct virtio_spmi_msg {
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__virtio32 type;
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__virtio32 res;
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union payload_data payload;
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};
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/* Virtio SPMI message type */
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enum vio_spmi_msg_type {
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VIO_SPMI_BUS_WRITE = 0,
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VIO_SPMI_BUS_READ = 1,
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VIO_SPMI_BUS_CMDMAX = 1,
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VIO_ACC_ENABLE_WR = 2,
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VIO_ACC_ENABLE_RD = 3,
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VIO_IRQ_CLEAR = 4,
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VIO_IRQ_STATUS = 5,
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};
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/* Virtio SPMI message type */
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enum vio_spmi_msg_res {
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VIO_SPMI_DONE = 0,
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VIO_SPMI_ERR = 1,
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};
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#endif /* _LINUX_VIRTIO_SPMI_H */
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