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|
From dae9a11f3a158357966399aef97c48b5f16934d9 Mon Sep 17 00:00:00 2001
From: Jiacheng Liu <jiacheng.liu@mediatek.com>
Date: Sat, 24 Jul 2021 11:01:18 +0800
Subject: [PATCH] android-tools: adb: add u3 ss descriptor support
Porting u3 Superspeed descriptor support to open-embedded android-tools package.
This patch origins from the the patch in android project [1], but has been
modified for backporting to android-tools_5.1.1.r37.
[1] https://android.googlesource.com/platform/system/core/+/d6ee9f26a5163af4121f4380264fcbd4e6851a17%5E%21
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Signed-off-by: Jiacheng Liu <jiacheng.liu@mediatek.com>
---
adb/usb_linux_client.c | 275 +++++++++++++++++++++++++++++++----------
1 file changed, 207 insertions(+), 68 deletions(-)
diff --git a/adb/usb_linux_client.c b/adb/usb_linux_client.c
index 6e8b5bb..884e85e 100644
--- a/adb/usb_linux_client.c
+++ b/adb/usb_linux_client.c
@@ -31,8 +31,10 @@
#define TRACE_TAG TRACE_USB
#include "adb.h"
+#define USB_EXT_PROP_UNICODE 1
#define MAX_PACKET_SIZE_FS 64
#define MAX_PACKET_SIZE_HS 512
+#define MAX_PACKET_SIZE_SS 1024
#if __BYTE_ORDER == __LITTLE_ENDIAN
# define cpu_to_le16(x) (x)
@@ -62,74 +64,185 @@ struct usb_handle
int bulk_in; /* "in" from the host's perspective => sink for adbd */
};
-static const struct {
- struct usb_functionfs_descs_head header;
- struct {
- struct usb_interface_descriptor intf;
- struct usb_endpoint_descriptor_no_audio source;
- struct usb_endpoint_descriptor_no_audio sink;
- } __attribute__((packed)) fs_descs, hs_descs;
-} __attribute__((packed)) descriptors = {
- .header = {
- .magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC),
- .length = cpu_to_le32(sizeof(descriptors)),
- .fs_count = 3,
- .hs_count = 3,
+struct func_desc {
+ struct usb_interface_descriptor intf;
+ struct usb_endpoint_descriptor_no_audio source;
+ struct usb_endpoint_descriptor_no_audio sink;
+} __attribute__((packed));
+
+struct ss_func_desc {
+ struct usb_interface_descriptor intf;
+ struct usb_endpoint_descriptor_no_audio source;
+ struct usb_ss_ep_comp_descriptor source_comp;
+ struct usb_endpoint_descriptor_no_audio sink;
+ struct usb_ss_ep_comp_descriptor sink_comp;
+} __attribute__((packed));
+
+struct desc_v1 {
+ struct usb_functionfs_descs_head_v1 {
+ __le32 magic;
+ __le32 length;
+ __le32 fs_count;
+ __le32 hs_count;
+ } __attribute__((packed)) header;
+ struct func_desc fs_descs, hs_descs;
+} __attribute__((packed));
+
+struct usb_os_desc_ext_prop {
+ uint32_t dwSize;
+ uint32_t dwPropertyDataType;
+
+ // Property name and value are transmitted as UTF-16, but the kernel only
+ // accepts ASCII values and performs the conversion for us.
+ uint16_t wPropertyNameLength;
+ char bPropertyName[20];
+
+ uint32_t dwPropertyDataLength;
+ char bProperty[39];
+} __attribute__((packed)) os_desc_guid = {
+ .dwSize = sizeof(struct usb_os_desc_ext_prop),
+ .dwPropertyDataType = cpu_to_le32(USB_EXT_PROP_UNICODE),
+ .wPropertyNameLength = cpu_to_le16(20),
+ .bPropertyName = "DeviceInterfaceGUID",
+ .dwPropertyDataLength = cpu_to_le32(39),
+ .bProperty = "{F72FE0D4-CBCB-407D-8814-9ED673D0DD6B}",
+};
+
+struct usb_ext_prop_values {
+ struct usb_os_desc_ext_prop guid;
+} __attribute__((packed));
+
+struct desc_v2 {
+ struct usb_functionfs_descs_head_v2 header;
+ // The rest of the structure depends on the flags in the header.
+ __le32 fs_count;
+ __le32 hs_count;
+ __le32 ss_count;
+ __le32 os_count;
+ struct func_desc fs_descs, hs_descs;
+ struct ss_func_desc ss_descs;
+ struct usb_os_desc_header os_header;
+ struct usb_ext_compat_desc os_desc;
+ struct usb_os_desc_header os_prop_header;
+ struct usb_ext_prop_values os_prop_values;
+} __attribute__((packed));
+
+static struct func_desc fs_descriptors = {
+ .intf = {
+ .bLength = sizeof(fs_descriptors.intf),
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0,
+ .bNumEndpoints = 2,
+ .bInterfaceClass = ADB_CLASS,
+ .bInterfaceSubClass = ADB_SUBCLASS,
+ .bInterfaceProtocol = ADB_PROTOCOL,
+ .iInterface = 1, /* first string from the provided table */
+ },
+ .source = {
+ .bLength = sizeof(fs_descriptors.source),
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 1 | USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = MAX_PACKET_SIZE_FS,
+ },
+ .sink = {
+ .bLength = sizeof(fs_descriptors.sink),
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 2 | USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = MAX_PACKET_SIZE_FS,
+ },
+};
+
+static struct func_desc hs_descriptors = {
+ .intf = {
+ .bLength = sizeof(hs_descriptors.intf),
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0,
+ .bNumEndpoints = 2,
+ .bInterfaceClass = ADB_CLASS,
+ .bInterfaceSubClass = ADB_SUBCLASS,
+ .bInterfaceProtocol = ADB_PROTOCOL,
+ .iInterface = 1, /* first string from the provided table */
+ },
+ .source = {
+ .bLength = sizeof(hs_descriptors.source),
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 1 | USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = MAX_PACKET_SIZE_HS,
+ },
+ .sink = {
+ .bLength = sizeof(hs_descriptors.sink),
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 2 | USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = MAX_PACKET_SIZE_HS,
+ },
+};
+
+static struct ss_func_desc ss_descriptors = {
+ .intf = {
+ .bLength = sizeof(ss_descriptors.intf),
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0,
+ .bNumEndpoints = 2,
+ .bInterfaceClass = ADB_CLASS,
+ .bInterfaceSubClass = ADB_SUBCLASS,
+ .bInterfaceProtocol = ADB_PROTOCOL,
+ .iInterface = 1, /* first string from the provided table */
+ },
+ .source = {
+ .bLength = sizeof(ss_descriptors.source),
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 1 | USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = MAX_PACKET_SIZE_SS,
+ },
+ .source_comp = {
+ .bLength = sizeof(ss_descriptors.source_comp),
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+ .bMaxBurst = 4,
},
- .fs_descs = {
- .intf = {
- .bLength = sizeof(descriptors.fs_descs.intf),
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 0,
- .bNumEndpoints = 2,
- .bInterfaceClass = ADB_CLASS,
- .bInterfaceSubClass = ADB_SUBCLASS,
- .bInterfaceProtocol = ADB_PROTOCOL,
- .iInterface = 1, /* first string from the provided table */
- },
- .source = {
- .bLength = sizeof(descriptors.fs_descs.source),
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = 1 | USB_DIR_OUT,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = MAX_PACKET_SIZE_FS,
- },
- .sink = {
- .bLength = sizeof(descriptors.fs_descs.sink),
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = 2 | USB_DIR_IN,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = MAX_PACKET_SIZE_FS,
- },
+ .sink = {
+ .bLength = sizeof(ss_descriptors.sink),
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 2 | USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = MAX_PACKET_SIZE_SS,
},
- .hs_descs = {
- .intf = {
- .bLength = sizeof(descriptors.hs_descs.intf),
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 0,
- .bNumEndpoints = 2,
- .bInterfaceClass = ADB_CLASS,
- .bInterfaceSubClass = ADB_SUBCLASS,
- .bInterfaceProtocol = ADB_PROTOCOL,
- .iInterface = 1, /* first string from the provided table */
- },
- .source = {
- .bLength = sizeof(descriptors.hs_descs.source),
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = 1 | USB_DIR_OUT,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = MAX_PACKET_SIZE_HS,
- },
- .sink = {
- .bLength = sizeof(descriptors.hs_descs.sink),
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = 2 | USB_DIR_IN,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = MAX_PACKET_SIZE_HS,
- },
+ .sink_comp = {
+ .bLength = sizeof(ss_descriptors.sink_comp),
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+ .bMaxBurst = 4,
},
};
+struct usb_ext_compat_desc os_desc_compat = {
+ .bFirstInterfaceNumber = 0,
+ .Reserved1 = cpu_to_le32(1),
+ .CompatibleID = { 'W', 'I', 'N', 'U', 'S', 'B', '\0', '\0'},
+ .SubCompatibleID = {0},
+ .Reserved2 = {0},
+};
+
+static struct usb_os_desc_header os_desc_header = {
+ .interface = cpu_to_le32(0),
+ .dwLength = cpu_to_le32(sizeof(os_desc_header) + sizeof(os_desc_compat)),
+ .bcdVersion = cpu_to_le32(1),
+ .wIndex = cpu_to_le32(4),
+ .bCount = cpu_to_le32(1),
+ .Reserved = cpu_to_le32(0),
+};
+
+static struct usb_os_desc_header os_prop_header = {
+ .interface = cpu_to_le32(0),
+ .dwLength = cpu_to_le32(sizeof(os_desc_header) + sizeof(struct usb_ext_prop_values)),
+ .bcdVersion = cpu_to_le32(1),
+ .wIndex = cpu_to_le32(5),
+ .wCount = cpu_to_le16(1),
+};
+
#define STR_INTERFACE_ "ADB Interface"
static const struct {
@@ -151,8 +264,6 @@ static const struct {
},
};
-
-
static void *usb_adb_open_thread(void *x)
{
struct usb_handle *usb = (struct usb_handle *)x;
@@ -270,6 +381,24 @@ static void usb_adb_init()
static void init_functionfs(struct usb_handle *h)
{
ssize_t ret;
+ struct desc_v1 v1_descriptor = {};
+ struct desc_v2 v2_descriptor = {};
+
+ v2_descriptor.header.magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC_V2);
+ v2_descriptor.header.length = cpu_to_le32(sizeof(v2_descriptor));
+ v2_descriptor.header.flags = FUNCTIONFS_HAS_FS_DESC | FUNCTIONFS_HAS_HS_DESC |
+ FUNCTIONFS_HAS_SS_DESC | FUNCTIONFS_HAS_MS_OS_DESC;
+ v2_descriptor.fs_count = 3;
+ v2_descriptor.hs_count = 3;
+ v2_descriptor.ss_count = 5;
+ v2_descriptor.os_count = 2;
+ v2_descriptor.fs_descs = fs_descriptors;
+ v2_descriptor.hs_descs = hs_descriptors;
+ v2_descriptor.ss_descs = ss_descriptors;
+ v2_descriptor.os_header = os_desc_header;
+ v2_descriptor.os_desc = os_desc_compat;
+ v2_descriptor.os_prop_header = os_prop_header;
+ v2_descriptor.os_prop_values.guid = os_desc_guid;
if (h->control < 0) { // might have already done this before
D("OPENING %s\n", USB_FFS_ADB_EP0);
@@ -279,10 +408,20 @@ static void init_functionfs(struct usb_handle *h)
goto err;
}
- ret = adb_write(h->control, &descriptors, sizeof(descriptors));
+ ret = adb_write(h->control, &v2_descriptor, sizeof(v2_descriptor));
if (ret < 0) {
- D("[ %s: write descriptors failed: errno=%d ]\n", USB_FFS_ADB_EP0, errno);
- goto err;
+ D("[ %s: write v2_descriptor failed: errno=%d ]\n", USB_FFS_ADB_EP0, errno);
+ v1_descriptor.header.magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC);
+ v1_descriptor.header.length = cpu_to_le32(sizeof(v1_descriptor));
+ v1_descriptor.header.fs_count = 3;
+ v1_descriptor.header.hs_count = 3;
+ v1_descriptor.fs_descs = fs_descriptors;
+ v1_descriptor.hs_descs = hs_descriptors;
+ ret = adb_write(h->control, &v1_descriptor, sizeof(v1_descriptor));
+ if (ret < 0) {
+ D("[ %s: failed to write USB descriptors]\n", USB_FFS_ADB_EP0);
+ goto err;
+ }
}
ret = adb_write(h->control, &strings, sizeof(strings));
--
2.18.0
|
