1 /* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
3 This software may be distributed and modified under the terms of the GNU
4 General Public License version 2 (GPL2) as published by the Free Software
5 Foundation and appearing in the file GPL2.TXT included in the packaging of
6 this file. Please note that GPL2 Section 2[b] requires that all works based
7 on this software must also be made publicly available under the terms of
14 Web : http://www.circuitsathome.com
15 e-mail : support@circuitsathome.com
17 #if !defined(__USBHUB_H__)
22 #define USB_DESCRIPTOR_HUB 0x09 // Hub descriptor type
25 #define bmREQ_CLEAR_HUB_FEATURE USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_DEVICE
26 #define bmREQ_CLEAR_PORT_FEATURE USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_OTHER
27 #define bmREQ_CLEAR_TT_BUFFER USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_OTHER
28 #define bmREQ_GET_HUB_DESCRIPTOR USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_DEVICE
29 #define bmREQ_GET_HUB_STATUS USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_DEVICE
30 #define bmREQ_GET_PORT_STATUS USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_OTHER
31 #define bmREQ_RESET_TT USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_OTHER
32 #define bmREQ_SET_HUB_DESCRIPTOR USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_DEVICE
33 #define bmREQ_SET_HUB_FEATURE USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_DEVICE
34 #define bmREQ_SET_PORT_FEATURE USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_OTHER
35 #define bmREQ_GET_TT_STATE USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_OTHER
36 #define bmREQ_STOP_TT USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_OTHER
39 #define HUB_REQUEST_CLEAR_TT_BUFFER 8
40 #define HUB_REQUEST_RESET_TT 9
41 #define HUB_REQUEST_GET_TT_STATE 10
42 #define HUB_REQUEST_STOP_TT 11
45 #define HUB_FEATURE_C_HUB_LOCAL_POWER 0
46 #define HUB_FEATURE_C_HUB_OVER_CURRENT 1
47 #define HUB_FEATURE_PORT_CONNECTION 0
48 #define HUB_FEATURE_PORT_ENABLE 1
49 #define HUB_FEATURE_PORT_SUSPEND 2
50 #define HUB_FEATURE_PORT_OVER_CURRENT 3
51 #define HUB_FEATURE_PORT_RESET 4
52 #define HUB_FEATURE_PORT_POWER 8
53 #define HUB_FEATURE_PORT_LOW_SPEED 9
54 #define HUB_FEATURE_C_PORT_CONNECTION 16
55 #define HUB_FEATURE_C_PORT_ENABLE 17
56 #define HUB_FEATURE_C_PORT_SUSPEND 18
57 #define HUB_FEATURE_C_PORT_OVER_CURRENT 19
58 #define HUB_FEATURE_C_PORT_RESET 20
59 #define HUB_FEATURE_PORT_TEST 21
60 #define HUB_FEATURE_PORT_INDICATOR 22
62 // Hub Port Test Modes
63 #define HUB_PORT_TEST_MODE_J 1
64 #define HUB_PORT_TEST_MODE_K 2
65 #define HUB_PORT_TEST_MODE_SE0_NAK 3
66 #define HUB_PORT_TEST_MODE_PACKET 4
67 #define HUB_PORT_TEST_MODE_FORCE_ENABLE 5
69 // Hub Port Indicator Color
70 #define HUB_PORT_INDICATOR_AUTO 0
71 #define HUB_PORT_INDICATOR_AMBER 1
72 #define HUB_PORT_INDICATOR_GREEN 2
73 #define HUB_PORT_INDICATOR_OFF 3
75 // Hub Port Status Bitmasks
76 #define bmHUB_PORT_STATUS_PORT_CONNECTION 0x0001
77 #define bmHUB_PORT_STATUS_PORT_ENABLE 0x0002
78 #define bmHUB_PORT_STATUS_PORT_SUSPEND 0x0004
79 #define bmHUB_PORT_STATUS_PORT_OVER_CURRENT 0x0008
80 #define bmHUB_PORT_STATUS_PORT_RESET 0x0010
81 #define bmHUB_PORT_STATUS_PORT_POWER 0x0100
82 #define bmHUB_PORT_STATUS_PORT_LOW_SPEED 0x0200
83 #define bmHUB_PORT_STATUS_PORT_HIGH_SPEED 0x0400
84 #define bmHUB_PORT_STATUS_PORT_TEST 0x0800
85 #define bmHUB_PORT_STATUS_PORT_INDICATOR 0x1000
87 // Hub Port Status Change Bitmasks (used one byte instead of two)
88 #define bmHUB_PORT_STATUS_C_PORT_CONNECTION 0x0001
89 #define bmHUB_PORT_STATUS_C_PORT_ENABLE 0x0002
90 #define bmHUB_PORT_STATUS_C_PORT_SUSPEND 0x0004
91 #define bmHUB_PORT_STATUS_C_PORT_OVER_CURRENT 0x0008
92 #define bmHUB_PORT_STATUS_C_PORT_RESET 0x0010
94 // Hub Status Bitmasks (used one byte instead of two)
95 #define bmHUB_STATUS_LOCAL_POWER_SOURCE 0x01
96 #define bmHUB_STATUS_OVER_CURRENT 0x12
98 // Hub Status Change Bitmasks (used one byte instead of two)
99 #define bmHUB_STATUS_C_LOCAL_POWER_SOURCE 0x01
100 #define bmHUB_STATUS_C_OVER_CURRENT 0x12
103 // Hub Port Configuring Substates
104 #define USB_STATE_HUB_PORT_CONFIGURING 0xb0
105 #define USB_STATE_HUB_PORT_POWERED_OFF 0xb1
106 #define USB_STATE_HUB_PORT_WAIT_FOR_POWER_GOOD 0xb2
107 #define USB_STATE_HUB_PORT_DISCONNECTED 0xb3
108 #define USB_STATE_HUB_PORT_DISABLED 0xb4
109 #define USB_STATE_HUB_PORT_RESETTING 0xb5
110 #define USB_STATE_HUB_PORT_ENABLED 0xb6
112 // Additional Error Codes
113 #define HUB_ERROR_PORT_HAS_BEEN_RESET 0xb1
115 // The bit mask to check for all necessary state bits
116 #define bmHUB_PORT_STATUS_ALL_MAIN ((0UL | bmHUB_PORT_STATUS_C_PORT_CONNECTION | bmHUB_PORT_STATUS_C_PORT_ENABLE | bmHUB_PORT_STATUS_C_PORT_SUSPEND | bmHUB_PORT_STATUS_C_PORT_RESET) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_ENABLE | bmHUB_PORT_STATUS_PORT_CONNECTION | bmHUB_PORT_STATUS_PORT_SUSPEND)
118 // Bit mask to check for DISABLED state in HubEvent::bmStatus field
119 #define bmHUB_PORT_STATE_CHECK_DISABLED (0x0000 | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_ENABLE | bmHUB_PORT_STATUS_PORT_CONNECTION | bmHUB_PORT_STATUS_PORT_SUSPEND)
122 #define bmHUB_PORT_STATE_DISABLED (0x0000 | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_CONNECTION)
125 #define bmHUB_PORT_EVENT_CONNECT (((0UL | bmHUB_PORT_STATUS_C_PORT_CONNECTION) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_CONNECTION)
126 #define bmHUB_PORT_EVENT_DISCONNECT (((0UL | bmHUB_PORT_STATUS_C_PORT_CONNECTION) << 16) | bmHUB_PORT_STATUS_PORT_POWER)
127 #define bmHUB_PORT_EVENT_RESET_COMPLETE (((0UL | bmHUB_PORT_STATUS_C_PORT_RESET) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_ENABLE | bmHUB_PORT_STATUS_PORT_CONNECTION)
129 #define bmHUB_PORT_EVENT_LS_CONNECT (((0UL | bmHUB_PORT_STATUS_C_PORT_CONNECTION) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_CONNECTION | bmHUB_PORT_STATUS_PORT_LOW_SPEED)
130 #define bmHUB_PORT_EVENT_LS_RESET_COMPLETE (((0UL | bmHUB_PORT_STATUS_C_PORT_RESET) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_ENABLE | bmHUB_PORT_STATUS_PORT_CONNECTION | bmHUB_PORT_STATUS_PORT_LOW_SPEED)
131 #define bmHUB_PORT_EVENT_LS_PORT_ENABLED (((0UL | bmHUB_PORT_STATUS_C_PORT_CONNECTION | bmHUB_PORT_STATUS_C_PORT_ENABLE) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_ENABLE | bmHUB_PORT_STATUS_PORT_CONNECTION | bmHUB_PORT_STATUS_PORT_LOW_SPEED)
133 struct HubDescriptor
{
134 uint8_t bDescLength
; // descriptor length
135 uint8_t bDescriptorType
; // descriptor type
136 uint8_t bNbrPorts
; // number of ports a hub equiped with
139 uint16_t LogPwrSwitchMode
: 2;
140 uint16_t CompoundDevice
: 1;
141 uint16_t OverCurrentProtectMode
: 2;
142 uint16_t TTThinkTime
: 2;
143 uint16_t PortIndicatorsSupported
: 1;
144 uint16_t Reserved
: 8;
145 } __attribute__((packed
));
147 uint8_t bPwrOn2PwrGood
;
148 uint8_t bHubContrCurrent
;
149 } __attribute__((packed
));
156 uint16_t bmStatus
; // port status bits
157 uint16_t bmChange
; // port status change bits
158 } __attribute__((packed
));
162 } __attribute__((packed
));
164 class USBHub
: USBDeviceConfig
{
165 static bool bResetInitiated
; // True when reset is triggered
167 USB
*pUsb
; // USB class instance pointer
169 EpInfo epInfo
[2]; // interrupt endpoint info structure
171 uint8_t bAddress
; // address
172 uint8_t bNbrPorts
; // number of ports
173 // uint8_t bInitState; // initialization state variable
174 uint32_t qNextPollTime
; // next poll time
175 bool bPollEnable
; // poll enable flag
177 uint8_t CheckHubStatus();
178 uint8_t PortStatusChange(uint8_t port
, HubEvent
&evt
);
183 uint8_t ClearHubFeature(uint8_t fid
);
184 uint8_t ClearPortFeature(uint8_t fid
, uint8_t port
, uint8_t sel
= 0);
185 uint8_t GetHubDescriptor(uint8_t index
, uint16_t nbytes
, uint8_t *dataptr
);
186 uint8_t GetHubStatus(uint16_t nbytes
, uint8_t* dataptr
);
187 uint8_t GetPortStatus(uint8_t port
, uint16_t nbytes
, uint8_t* dataptr
);
188 uint8_t SetHubDescriptor(uint8_t port
, uint16_t nbytes
, uint8_t* dataptr
);
189 uint8_t SetHubFeature(uint8_t fid
);
190 uint8_t SetPortFeature(uint8_t fid
, uint8_t port
, uint8_t sel
= 0);
192 void PrintHubStatus();
194 uint8_t Init(uint8_t parent
, uint8_t port
, bool lowspeed
);
197 void ResetHubPort(uint8_t port
);
199 virtual uint8_t GetAddress() {
203 virtual bool DEVCLASSOK(uint8_t klass
) {
204 return (klass
== 0x09);
211 inline uint8_t USBHub::ClearHubFeature(uint8_t fid
) {
212 return ( pUsb
->ctrlReq(bAddress
, 0, bmREQ_CLEAR_HUB_FEATURE
, USB_REQUEST_CLEAR_FEATURE
, fid
, 0, 0, 0, 0, NULL
, NULL
));
214 // Clear Port Feature
216 inline uint8_t USBHub::ClearPortFeature(uint8_t fid
, uint8_t port
, uint8_t sel
) {
217 return ( pUsb
->ctrlReq(bAddress
, 0, bmREQ_CLEAR_PORT_FEATURE
, USB_REQUEST_CLEAR_FEATURE
, fid
, 0, ((0x0000 | port
) | (sel
<< 8)), 0, 0, NULL
, NULL
));
219 // Get Hub Descriptor
221 inline uint8_t USBHub::GetHubDescriptor(uint8_t index
, uint16_t nbytes
, uint8_t *dataptr
) {
222 return ( pUsb
->ctrlReq(bAddress
, 0, bmREQ_GET_HUB_DESCRIPTOR
, USB_REQUEST_GET_DESCRIPTOR
, index
, 0x29, 0, nbytes
, nbytes
, dataptr
, NULL
));
226 inline uint8_t USBHub::GetHubStatus(uint16_t nbytes
, uint8_t* dataptr
) {
227 return ( pUsb
->ctrlReq(bAddress
, 0, bmREQ_GET_HUB_STATUS
, USB_REQUEST_GET_STATUS
, 0, 0, 0x0000, nbytes
, nbytes
, dataptr
, NULL
));
231 inline uint8_t USBHub::GetPortStatus(uint8_t port
, uint16_t nbytes
, uint8_t* dataptr
) {
232 return ( pUsb
->ctrlReq(bAddress
, 0, bmREQ_GET_PORT_STATUS
, USB_REQUEST_GET_STATUS
, 0, 0, port
, nbytes
, nbytes
, dataptr
, NULL
));
234 // Set Hub Descriptor
236 inline uint8_t USBHub::SetHubDescriptor(uint8_t port
, uint16_t nbytes
, uint8_t* dataptr
) {
237 return ( pUsb
->ctrlReq(bAddress
, 0, bmREQ_SET_HUB_DESCRIPTOR
, USB_REQUEST_SET_DESCRIPTOR
, 0, 0, port
, nbytes
, nbytes
, dataptr
, NULL
));
241 inline uint8_t USBHub::SetHubFeature(uint8_t fid
) {
242 return ( pUsb
->ctrlReq(bAddress
, 0, bmREQ_SET_HUB_FEATURE
, USB_REQUEST_SET_FEATURE
, fid
, 0, 0, 0, 0, NULL
, NULL
));
246 inline uint8_t USBHub::SetPortFeature(uint8_t fid
, uint8_t port
, uint8_t sel
) {
247 return ( pUsb
->ctrlReq(bAddress
, 0, bmREQ_SET_PORT_FEATURE
, USB_REQUEST_SET_FEATURE
, fid
, 0, (((0x0000 | sel
) << 8) | port
), 0, 0, NULL
, NULL
));
250 void PrintHubPortStatus(USB
*usbptr
, uint8_t addr
, uint8_t port
, bool print_changes
= false);
252 #endif // __USBHUB_H__