2 Copyright 2018 Massdrop Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #define USB2422_ALT67_1P0
22 #define REV_USB2422 0x100
24 #define USB2422_ADDR 0x58 //I2C device address, one instance
26 #define USB2422_HUB_ACTIVE_GROUP 0 //PA
27 #define USB2422_HUB_ACTIVE_PIN 18 //18
29 /* -------- USB2422_VID : (USB2422L Offset: 0x00) (R/W 16) Vendor ID -------- */
30 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
35 } bit; /*!< Structure used for bit access */
36 uint16_t reg; /*!< Type used for register access */
38 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
40 /* -------- USB2422_PID : (USB2422L Offset: 0x02) (R/W 16) Product ID -------- */
41 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
46 } bit; /*!< Structure used for bit access */
47 uint16_t reg; /*!< Type used for register access */
49 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
51 /* -------- USB2422_DID : (USB2422L Offset: 0x04) (R/W 16) Device ID -------- */
52 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
57 } bit; /*!< Structure used for bit access */
58 uint16_t reg; /*!< Type used for register access */
60 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
62 /* -------- USB2422_CFG1 : (USB2422L Offset: 0x06) (R/W 8) Configuration Data Byte 1-------- */
63 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
67 uint8_t CURRENT_SNS : 2;
68 uint8_t EOP_DISABLE : 1;
69 uint8_t MTT_ENABLE : 1;
70 uint8_t HS_DISABLE :1;
72 uint8_t SELF_BUS_PWR : 1;
73 } bit; /*!< Structure used for bit access */
74 uint8_t reg; /*!< Type used for register access */
76 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
78 /* -------- USB2422_CFG2 : (USB2422L Offset: 0x07) (R/W 8) Configuration Data Byte 2-------- */
79 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
87 } bit; /*!< Structure used for bit access */
88 uint8_t reg; /*!< Type used for register access */
90 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
92 /* -------- USB2422_CFG3 : (USB2422L Offset: 0x08) (R/W 16) Configuration Data Byte 3-------- */
93 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
96 uint8_t STRING_EN : 1;
100 } bit; /*!< Structure used for bit access */
101 uint8_t reg; /*!< Type used for register access */
103 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
105 /* -------- USB2422_NRD : (USB2422L Offset: 0x09) (R/W 8) Non Removable Device -------- */
106 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
113 } bit; /*!< Structure used for bit access */
114 uint8_t reg; /*!< Type used for register access */
116 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
118 /* -------- USB2422_PDS : (USB2422L Offset: 0x0A) (R/W 8) Port Diable for Self-Powered Operation -------- */
119 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
123 uint8_t PORT1_DIS :1;
124 uint8_t PORT2_DIS :1;
126 } bit; /*!< Structure used for bit access */
127 uint8_t reg; /*!< Type used for register access */
129 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
131 /* -------- USB2422_PDB : (USB2422L Offset: 0x0B) (R/W 8) Port Diable for Bus-Powered Operation -------- */
132 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
136 uint8_t PORT1_DIS :1;
137 uint8_t PORT2_DIS :1;
139 } bit; /*!< Structure used for bit access */
140 uint8_t reg; /*!< Type used for register access */
142 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
144 /* -------- USB2422_MAXPS : (USB2422L Offset: 0x0C) (R/W 8) Max Power for Self-Powered Operation -------- */
145 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
148 uint8_t MAX_PWR_SP : 8;
149 } bit; /*!< Structure used for bit access */
150 uint8_t reg; /*!< Type used for register access */
151 } USB2422_MAXPS_Type;
152 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
154 /* -------- USB2422_MAXPB : (USB2422L Offset: 0x0D) (R/W 8) Max Power for Bus-Powered Operation -------- */
155 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
158 uint8_t MAX_PWR_BP : 8;
159 } bit; /*!< Structure used for bit access */
160 uint8_t reg; /*!< Type used for register access */
161 } USB2422_MAXPB_Type;
162 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
164 /* -------- USB2422_HCMCS : (USB2422L Offset: 0x0E) (R/W 8) Hub Controller Max Current for Self-Powered Operation -------- */
165 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
168 uint8_t HC_MAX_C_SP : 8;
169 } bit; /*!< Structure used for bit access */
170 uint8_t reg; /*!< Type used for register access */
171 } USB2422_HCMCS_Type;
172 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
174 /* -------- USB2422_HCMCB : (USB2422L Offset: 0x0F) (R/W 8) Hub Controller Max Current for Bus-Powered Operation -------- */
175 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
178 uint8_t HC_MAX_C_BP : 8;
179 } bit; /*!< Structure used for bit access */
180 uint8_t reg; /*!< Type used for register access */
181 } USB2422_HCMCB_Type;
182 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
184 /* -------- USB2422_PWRT : (USB2422L Offset: 0x10) (R/W 8) Power On Time -------- */
185 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
188 uint8_t POWER_ON_TIME : 8;
189 } bit; /*!< Structure used for bit access */
190 uint8_t reg; /*!< Type used for register access */
192 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
194 /* -------- USB2422_LANGID LSB : (USB2422L Offset: 0x11) (R/W 16) Language ID -------- */
195 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
198 uint8_t LANGID_LSB : 8;
199 } bit; /*!< Structure used for bit access */
200 uint8_t reg; /*!< Type used for register access */
201 } USB2422_LANGID_LSB_Type;
202 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
204 /* -------- USB2422_LANGID MSB : (USB2422L Offset: 0x12) (R/W 16) Language ID -------- */
205 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
208 uint8_t LANGID_MSB : 8;
209 } bit; /*!< Structure used for bit access */
210 uint8_t reg; /*!< Type used for register access */
211 } USB2422_LANGID_MSB_Type;
212 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
215 /* -------- USB2422_MFRSL : (USB2422L Offset: 0x13) (R/W 8) Manufacturer String Length -------- */
216 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
219 uint8_t MFR_STR_LEN : 8;
220 } bit; /*!< Structure used for bit access */
221 uint8_t reg; /*!< Type used for register access */
222 } USB2422_MFRSL_Type;
223 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
225 /* -------- USB2422_PRDSL : (USB2422L Offset: 0x14) (R/W 8) Product String Length -------- */
226 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
229 uint8_t PRD_STR_LEN : 8;
230 } bit; /*!< Structure used for bit access */
231 uint8_t reg; /*!< Type used for register access */
232 } USB2422_PRDSL_Type;
233 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
235 /* -------- USB2422_SERSL : (USB2422L Offset: 0x15) (R/W 8) Serial String Length -------- */
236 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
239 uint8_t SER_STR_LEN : 8;
240 } bit; /*!< Structure used for bit access */
241 uint8_t reg; /*!< Type used for register access */
242 } USB2422_SERSL_Type;
243 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
245 /* -------- USB2422_MFRSTR : (USB2422L Offset: 0x16-53) (R/W 8) Maufacturer String -------- */
246 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
247 typedef uint16_t USB2422_MFRSTR_Type;
248 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
250 /* -------- USB2422_PRDSTR : (USB2422L Offset: 0x54-91) (R/W 8) Product String -------- */
251 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
252 typedef uint16_t USB2422_PRDSTR_Type;
253 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
255 /* -------- USB2422_SERSTR : (USB2422L Offset: 0x92-CF) (R/W 8) Serial String -------- */
256 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
257 typedef uint16_t USB2422_SERSTR_Type;
258 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
260 /* -------- USB2422_BCEN : (USB2422L Offset: 0xD0) (R/W 8) Battery Charging Enable -------- */
261 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
265 uint8_t PORT1_BCE :1;
266 uint8_t PORT2_BCE :1;
268 } bit; /*!< Structure used for bit access */
269 uint8_t reg; /*!< Type used for register access */
271 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
273 /* -------- USB2422_BOOSTUP : (USB2422L Offset: 0xF6) (R/W 8) Boost Upstream -------- */
274 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
279 } bit; /*!< Structure used for bit access */
280 uint8_t reg; /*!< Type used for register access */
281 } USB2422_BOOSTUP_Type;
282 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
284 /* -------- USB2422_BOOSTDOWN : (USB2422L Offset: 0xF8) (R/W 8) Boost Downstream -------- */
285 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
291 } bit; /*!< Structure used for bit access */
292 uint8_t reg; /*!< Type used for register access */
293 } USB2422_BOOSTDOWN_Type;
294 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
296 /* -------- USB2422_PRTSP : (USB2422L Offset: 0xFA) (R/W 8) Port Swap -------- */
297 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
304 } bit; /*!< Structure used for bit access */
305 uint8_t reg; /*!< Type used for register access */
306 } USB2422_PRTSP_Type;
307 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
309 /* -------- USB2422_PRTR12 : (USB2422L Offset: 0xFB) (R/W 8) Port 1/2 Remap -------- */
310 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
313 uint8_t PORT1_REMAP: 4;
314 uint8_t PORT2_REMAP: 4;
315 } bit; /*!< Structure used for bit access */
316 uint8_t reg; /*!< Type used for register access */
317 } USB2422_PRTR12_Type;
318 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
319 #define USB2422_PRTR12_DISABLE 0
320 #define USB2422_PRT12_P2TOL1 1
321 #define USB2422_PRT12_P2XTOL2 2
322 #define USB2422_PRT12_P1TOL1 1
323 #define USB2422_PRT12_P1XTOL2 2
325 /* -------- USB2422_STCD : (USB2422L Offset: 0xFF) (R/W 8) Status Command -------- */
326 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
329 uint8_t USB_ATTACH: 1;
331 uint8_t INTF_PWRDN: 1;
333 } bit; /*!< Structure used for bit access */
334 uint8_t reg; /*!< Type used for register access */
336 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
338 /** \brief USB2422 device hardware registers */
339 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
341 USB2422_VID_Type VID; /**< \brief Offset: 0x00*/
342 USB2422_PID_Type PID; /**< \brief Offset: 0x02*/
343 USB2422_DID_Type DID; /**< \brief Offset: 0x04*/
344 USB2422_CFG1_Type CFG1; /**< \brief Offset: 0x06*/
345 USB2422_CFG2_Type CFG2; /**< \brief Offset: 0x07*/
346 USB2422_CFG3_Type CFG3; /**< \brief Offset: 0x08*/
347 USB2422_NRD_Type NRD; /**< \brief Offset: 0x09*/
348 USB2422_PDS_Type PDS; /**< \brief Offset: 0x0A*/
349 USB2422_PDB_Type PDB; /**< \brief Offset: 0x0B*/
350 USB2422_MAXPS_Type MAXPS; /**< \brief Offset: 0x0C*/
351 USB2422_MAXPB_Type MAXPB; /**< \brief Offset: 0x0D*/
352 USB2422_HCMCS_Type HCMCS; /**< \brief Offset: 0x0E*/
353 USB2422_HCMCB_Type HCMCB; /**< \brief Offset: 0x0F*/
354 USB2422_PWRT_Type PWRT; /**< \brief Offset: 0x10*/
355 USB2422_LANGID_LSB_Type LANGID_LSB; /**< \brief Offset: 0x11*/
356 USB2422_LANGID_MSB_Type LANGID_MSB; /**< \brief Offset: 0x12*/
357 USB2422_MFRSL_Type MFRSL; /**< \brief Offset: 0x13*/
358 USB2422_PRDSL_Type PRDSL; /**< \brief Offset: 0x14*/
359 USB2422_SERSL_Type SERSL; /**< \brief Offset: 0x15*/
360 USB2422_MFRSTR_Type MFRSTR[31]; /**< \brief Offset: 0x16*/
361 USB2422_PRDSTR_Type PRDSTR[31]; /**< \brief Offset: 0x54*/
362 USB2422_SERSTR_Type SERSTR[31]; /**< \brief Offset: 0x92*/
363 USB2422_BCEN_Type BCEN; /**< \brief Offset: 0xD0*/
364 uint8_t Reserved1[0x25];
365 USB2422_BOOSTUP_Type BOOSTUP; /**< \brief Offset: 0xF6*/
366 uint8_t Reserved2[0x1];
367 USB2422_BOOSTDOWN_Type BOOSTDOWN; /**< \brief Offset: 0xF8*/
368 uint8_t Reserved3[0x1];
369 USB2422_PRTSP_Type PRTSP; /**< \brief Offset: 0xFA*/
370 USB2422_PRTR12_Type PRTR12; /**< \brief Offset: 0xFB*/
371 uint8_t Reserved4[0x3];
372 USB2422_STCD_Type STCD; /**< \brief Offset: 0xFF*/
376 #define PORT_DETECT_RETRY_INTERVAL 2000
378 #define USB_EXTRA_ADC_THRESHOLD 900
380 #define USB_EXTRA_STATE_DISABLED 0
381 #define USB_EXTRA_STATE_ENABLED 1
382 #define USB_EXTRA_STATE_UNKNOWN 2
383 #define USB_EXTRA_STATE_DISABLED_UNTIL_REPLUG 3
385 #define USB_HOST_PORT_1 0
386 #define USB_HOST_PORT_2 1
387 #define USB_HOST_PORT_UNKNOWN 2
389 extern uint8_t usb_host_port;
390 extern uint8_t usb_extra_state;
391 extern uint8_t usb_extra_manual;
392 extern uint8_t usb_gcr_auto;
394 void USB2422_init(void);
395 void USB_reset(void);
396 void USB_configure(void);
397 uint16_t USB_active(void);
398 void USB_set_host_by_voltage(void);
399 uint16_t adc_get(uint8_t muxpos);
400 uint8_t USB2422_Port_Detect_Init(void);
401 void USB_HandleExtraDevice(void);
402 void USB_ExtraSetState(uint8_t state);