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Date: Wed, 19 Feb 2020 16:48:23 -0800
From: Scott Branden <scott.branden@...adcom.com>
To: Luis Chamberlain <mcgrof@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
David Brown <david.brown@...aro.org>,
Alexander Viro <viro@...iv.linux.org.uk>,
Shuah Khan <shuah@...nel.org>, bjorn.andersson@...aro.org,
Shuah Khan <skhan@...uxfoundation.org>,
Arnd Bergmann <arnd@...db.de>
Cc: "Rafael J . Wysocki" <rafael@...nel.org>,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-fsdevel@...r.kernel.org,
BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
Olof Johansson <olof@...om.net>,
Andrew Morton <akpm@...ux-foundation.org>,
Dan Carpenter <dan.carpenter@...cle.com>,
Colin Ian King <colin.king@...onical.com>,
Kees Cook <keescook@...omium.org>,
Takashi Iwai <tiwai@...e.de>, linux-kselftest@...r.kernel.org,
Andy Gross <agross@...nel.org>,
Scott Branden <scott.branden@...adcom.com>
Subject: [PATCH v2 5/7] bcm-vk: add bcm_vk UAPI
Add user space api for bcm-vk driver.
Signed-off-by: Scott Branden <scott.branden@...adcom.com>
---
include/uapi/linux/misc/bcm_vk.h | 117 +++++++++++++++++++++++++++++++
1 file changed, 117 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..56a2178e06f5
--- /dev/null
+++ b/include/uapi/linux/misc/bcm_vk.h
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
+/*
+ * Copyright 2018-2020 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_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_VALKYRIE_FILENAME "vk-boot1.bin"
+#define VK_BOOT2_DEF_VALKYRIE_FILENAME "vk-boot2.bin"
+
+#define VK_BOOT1_DEF_VIPER_FILENAME "vp-boot1.bin"
+#define VK_BOOT2_DEF_VIPER_FILENAME "vp-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
+
+/* 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 */
+};
+
+#define VK_BAR_FWSTS 0x41C
+/* VK_FWSTS definitions */
+#define VK_FWSTS_RELOCATION_ENTRY BIT(0)
+#define VK_FWSTS_RELOCATION_EXIT BIT(1)
+#define VK_FWSTS_INIT_START BIT(2)
+#define VK_FWSTS_ARCH_INIT_DONE BIT(3)
+#define VK_FWSTS_PRE_KNL1_INIT_DONE BIT(4)
+#define VK_FWSTS_PRE_KNL2_INIT_DONE BIT(5)
+#define VK_FWSTS_POST_KNL_INIT_DONE BIT(6)
+#define VK_FWSTS_INIT_DONE BIT(7)
+#define VK_FWSTS_APP_INIT_START BIT(8)
+#define VK_FWSTS_APP_INIT_DONE BIT(9)
+#define VK_FWSTS_MASK 0xFFFFFFFF
+#define VK_FWSTS_READY (VK_FWSTS_INIT_START | \
+ VK_FWSTS_ARCH_INIT_DONE | \
+ VK_FWSTS_PRE_KNL1_INIT_DONE | \
+ VK_FWSTS_PRE_KNL2_INIT_DONE | \
+ VK_FWSTS_POST_KNL_INIT_DONE | \
+ VK_FWSTS_INIT_DONE | \
+ VK_FWSTS_APP_INIT_START | \
+ VK_FWSTS_APP_INIT_DONE)
+/* Deinit */
+#define VK_FWSTS_APP_DEINIT_START BIT(23)
+#define VK_FWSTS_APP_DEINIT_DONE BIT(24)
+#define VK_FWSTS_DRV_DEINIT_START BIT(25)
+#define VK_FWSTS_DRV_DEINIT_DONE BIT(26)
+#define VK_FWSTS_RESET_DONE BIT(27)
+#define VK_FWSTS_DEINIT_TRIGGERED (VK_FWSTS_APP_DEINIT_START | \
+ VK_FWSTS_APP_DEINIT_DONE | \
+ VK_FWSTS_DRV_DEINIT_START | \
+ VK_FWSTS_DRV_DEINIT_DONE)
+/* Last nibble for reboot reason */
+#define VK_FWSTS_RESET_REASON_SHIFT 28
+#define VK_FWSTS_RESET_REASON_MASK (0xF << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_SYS_PWRUP (0x0 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_MBOX_DB (0x1 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_M7_WDOG (0x2 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_TEMP (0x3 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_FLR (0x4 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_HOT (0x5 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_WARM (0x6 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_COLD (0x7 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_L1 (0x8 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_L0 (0x9 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_UNKNOWN (0xF << VK_FWSTS_RESET_REASON_SHIFT)
+
+#endif /* __UAPI_LINUX_MISC_BCM_VK_H */
--
2.17.1
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