Add user space api for bcm-vk driver.
Signed-off-by: Scott Branden <scott.branden@xxxxxxxxxxxx>
---
include/uapi/linux/misc/bcm_vk.h | 88 ++++++++++++++++++++++++++++++++
1 file changed, 88 insertions(+)
create mode 100644 include/uapi/linux/misc/bcm_vk.h
diff --git a/include/uapi/linux/misc/bcm_vk.h b/include/uapi/linux/misc/bcm_vk.h
new file mode 100644
index 000000000000..df7dfd7f0702
--- /dev/null
+++ b/include/uapi/linux/misc/bcm_vk.h
@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
+/*
+ * Copyright(c) 2018 Broadcom
+ */
+
+#ifndef __UAPI_LINUX_MISC_BCM_VK_H
+#define __UAPI_LINUX_MISC_BCM_VK_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+struct vk_metadata {
+ /* struct version, always backwards compatible */
+ __u32 version;
+
+ /* Version 0 fields */
+ __u32 card_status;
+#define VK_CARD_STATUS_FASTBOOT_READY BIT(0)
+#define VK_CARD_STATUS_FWLOADER_READY BIT(1)
+
+ __u32 firmware_version;
+ __u32 fw_status;
+ /* End version 0 fields */
+
+ __u64 reserved[14];
+ /* Total of 16*u64 for all versions */
+};
+
+struct vk_image {
+ __u32 type; /* Type of image */
+#define VK_IMAGE_TYPE_BOOT1 1 /* 1st stage (load to SRAM) */
+#define VK_IMAGE_TYPE_BOOT2 2 /* 2nd stage (load to DDR) */
+ char filename[64]; /* Filename of image */
+};
+
+/* default firmware images names */
+#define VK_BOOT1_DEF_FILENAME "vk-boot1.bin"
+#define VK_BOOT2_DEF_FILENAME "vk-boot2.bin"
+
+struct vk_access {
+ __u8 barno; /* BAR number to use */
+ __u8 type; /* Type of access */
+#define VK_ACCESS_READ 0
+#define VK_ACCESS_WRITE 1
+ __u32 len; /* length of data */
+ __u64 offset; /* offset in BAR */
+ __u32 *data; /* where to read/write data to */
+};
+
+struct vk_reset {
+ __u32 arg1;
+ __u32 arg2;
+};
+
+#define VK_MAGIC 0x5E
+
+/* Get metadata from Valkyrie (firmware version, card status, etc) */
+#define VK_IOCTL_GET_METADATA _IOR(VK_MAGIC, 0x1, struct vk_metadata)
+
+/* Load image to Valkyrie */
+#define VK_IOCTL_LOAD_IMAGE _IOW(VK_MAGIC, 0x2, struct vk_image)
+
+/* Read data from Valkyrie */
+#define VK_IOCTL_ACCESS_BAR _IOWR(VK_MAGIC, 0x3, struct vk_access)
+
+/* Send Reset to Valkyrie */
+#define VK_IOCTL_RESET _IOW(VK_MAGIC, 0x4, struct vk_reset)
+
+/*
+ * message block - basic unit in the message where a message's size is always
+ * N x sizeof(basic_block)
+ */
+struct vk_msg_blk {
+ __u8 function_id;
+#define VK_FID_TRANS_BUF 5
+#define VK_FID_SHUTDOWN 8
+ __u8 size;
+ __u16 queue_id:4;
+ __u16 msg_id:12;
+ __u32 context_id;
+ __u32 args[2];
+#define VK_CMD_PLANES_MASK 0x000F /* number of planes to up/download */
+#define VK_CMD_UPLOAD 0x0400 /* memory transfer to vk */
+#define VK_CMD_DOWNLOAD 0x0500 /* memory transfer from vk */
+#define VK_CMD_MASK 0x0F00 /* command mask */
+};
+
+#endif /* __UAPI_LINUX_MISC_BCM_VK_H */
--
2.17.1
