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comparison src/gpf2/inc/gsi.h @ 1:864b8cc0cf63

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src/gpf2: preened GPF goo from TCS211
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 25 Sep 2016 23:38:58 +0000
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0:945cf7f506b2 1:864b8cc0cf63
1 #ifndef GSI_H
2 #define GSI_H
3 /*
4 +-----------------------------------------------------------------------------
5 | Project :
6 | Modul :
7 +-----------------------------------------------------------------------------
8 | Copyright 2002 Texas Instruments Berlin, AG
9 | All rights reserved.
10 |
11 | This file is confidential and a trade secret of Texas
12 | Instruments Berlin, AG
13 | The receipt of or possession of this file does not convey
14 | any rights to reproduce or disclose its contents or to
15 | manufacture, use, or sell anything it may describe, in
16 | whole, or in part, without the specific written consent of
17 | Texas Instruments Berlin, AG.
18 +-----------------------------------------------------------------------------
19 | Purpose : These definitions provide a driver interface to multiple serial
20 | ports.
21 +-----------------------------------------------------------------------------
22 */
23
24
25 /*==== INCLUDES =============================================================*/
26
27 #include <gdi.h>
28
29 /*==== DEFINITIONS ==========================================================*/
30
31 /*
32 * Baud rates
33 */
34 #define GSI_BAUD_AUTO ( 1)
35 #define GSI_BAUD_75 ( 2)
36 #define GSI_BAUD_150 ( 3)
37 #define GSI_BAUD_300 ( 4)
38 #define GSI_BAUD_600 ( 5)
39 #define GSI_BAUD_1200 ( 6)
40 #define GSI_BAUD_2400 ( 7)
41 #define GSI_BAUD_4800 ( 8)
42 #define GSI_BAUD_7200 ( 9)
43 #define GSI_BAUD_9600 (10)
44 #define GSI_BAUD_14400 (11)
45 #define GSI_BAUD_19200 (12)
46 #define GSI_BAUD_28800 (13)
47 #define GSI_BAUD_33900 (14)
48 #define GSI_BAUD_38400 (15)
49 #define GSI_BAUD_57600 (16)
50 #define GSI_BAUD_115200 (17)
51 #define GSI_BAUD_203125 (18)
52 #define GSI_BAUD_406250 (19)
53 #define GSI_BAUD_812500 (20)
54
55 /*
56 * Bits per character
57 */
58 #define GSI_CHAR5 ( 5)
59 #define GSI_CHAR6 ( 6)
60 #define GSI_CHAR7 ( 7)
61 #define GSI_CHAR8 ( 8)
62
63 /*
64 * Stop bits
65 */
66 #define GSI_STOP1 ( 1)
67 #define GSI_STOP15 (15)
68 #define GSI_STOP2 ( 2)
69
70 /*
71 * Parity bit
72 */
73 #define GSI_PARITYNO ( 1)
74 #define GSI_PARITYODD ( 2)
75 #define GSI_PARITYEVEN ( 3)
76 #define GSI_PARITYSPACE ( 4)
77
78 /*
79 * Flow control
80 */
81 #define GSI_FLOWNO ( 1)
82 #define GSI_FLOWHW ( 2)
83 #define GSI_FLOWSW ( 3)
84
85 /*
86 * Bit positions
87 */
88 #define GSI_BRKLEN_POS ( 0)
89 #define GSI_BRK_POS (25)
90 #define GSI_DISC_POS (26)
91 #define GSI_ESC_POS (27)
92 #define GSI_RING_POS (28)
93 #define GSI_X_POS (29)
94 #define GSI_SB_POS (30)
95 #define GSI_SA_POS (31)
96
97 /*
98 * Bit masks
99 */
100 #define GSI_BRKLEN_MASK (255UL << GSI_BRKLEN_POS)
101 #define GSI_BRK_MASK (1UL << GSI_BRK_POS)
102 #define GSI_DISC_MASK (1UL << GSI_DISC_POS)
103 #define GSI_ESC_MASK (1UL << GSI_ESC_POS)
104 #define GSI_RING_MASK (1UL << GSI_RING_POS)
105 #define GSI_X_MASK (1UL << GSI_X_POS)
106 #define GSI_SB_MASK (1UL << GSI_SB_POS)
107 #define GSI_SA_MASK (1UL << GSI_SA_POS)
108
109 /*
110 * Size of the circular buffers used in the driver.
111 */
112 #define GSI_MAX_BUFFER_SIZE (512)
113
114 /*==== TYPES ================================================================*/
115
116 /*
117 * Device Control Block
118 */
119 typedef struct {
120 USHORT Baud;
121 UBYTE DataBits;
122 UBYTE StopBits;
123 UBYTE Parity;
124 UBYTE RxFlowControl;
125 UBYTE TxFlowControl;
126 USHORT RxBufferSize;
127 USHORT TxBufferSize;
128 USHORT RxThreshold;
129 USHORT TxThreshold;
130 UBYTE XON;
131 UBYTE XOFF;
132 UBYTE EscChar;
133 USHORT GuardPeriod;
134 } T_GSI_DCB;
135
136 /*==== FUNCTION PROTOTYPES ==================================================*/
137
138 #ifdef _TARGET_
139 /*
140 +------------------------------------------------------------------------------
141 | Function : GSI_Init
142 +------------------------------------------------------------------------------
143 | Description : The function initializes the module and the connected serial
144 | device.
145 |
146 | Parameters : DeviceNo - serial device number
147 | DrvHandle - unique handle for this device
148 | CallbackFunc - callback function for this device
149 | DrvInfo - pointer to the driver parameters
150 |
151 | Return : DRV_OK - Initialization successful
152 | DRV_INVALID_PARAMS - The specified device does not exist
153 | DRV_INTERNAL_ERROR - Internal driver error
154 | DRV_INITIALIZED - Driver already initialized
155 |
156 +------------------------------------------------------------------------------
157 */
158 extern USHORT GSI_Init (UBYTE DeviceNo,
159 USHORT DrvHANDLE,
160 T_DRV_CB_FUNC CallbackFunc,
161 T_DRV_EXPORT **DrvInfo);
162
163 /*
164 +------------------------------------------------------------------------------
165 | Function : GSI_Exit
166 +------------------------------------------------------------------------------
167 | Description : The function is called when the driver functionality is no
168 | longer required. The driver terminates regardless of any
169 | outstanding data to be sent.
170 |
171 | Parameters : DeviceNo - serial device number
172 |
173 | Return : no return value
174 |
175 +------------------------------------------------------------------------------
176 */
177 extern void GSI_Exit (UBYTE DeviceNo);
178
179 /*
180 +------------------------------------------------------------------------------
181 | Function : GSI_Read
182 +------------------------------------------------------------------------------
183 | Description : This function copies received data into a caller provided
184 | buffer and returns the line status. It should always return
185 | immediately after copying the data, without waiting for any
186 | more data.
187 |
188 | Parameters : DeviceNo - serial device number
189 | Buffer - buffer to copy the data
190 | Length - On call: size of Buffer; On return: copied bytes
191 | State - line states of the serial connection
192 |
193 | Return : DRV_OK - Function successful
194 | DRV_INVALID_PARAMS - The specified device does not exist
195 | DRV_INTERNAL_ERROR - Internal driver error
196 | DRV_NOTCONFIGURED - The driver is not yet configured
197 |
198 +------------------------------------------------------------------------------
199 */
200 extern USHORT GSI_Read (UBYTE DeviceNo,
201 void *Buffer,
202 USHORT *Length,
203 ULONG *State);
204
205 /*
206 +------------------------------------------------------------------------------
207 | Function : GSI_Write
208 +------------------------------------------------------------------------------
209 | Description : This functions copies the provided data into the buffer of the
210 | driver and sets the line states. This function must return
211 | immediately after copying, even if there is not enough space in
212 | the driver buffer to copy all provided data.
213 |
214 | Parameters : DeviceNo - serial device number
215 | Buffer - buffer containing the data
216 | Length - On call: size of data; On return: copied bytes
217 | State - line states of the serial connection
218 | Mask - manipulated State bits
219 |
220 | Return : DRV_OK - Function successful
221 | DRV_INVALID_PARAMS - The specified device does not exist
222 | DRV_INTERNAL_ERROR - Internal driver error
223 | DRV_NOTCONFIGURED - The driver is not yet configured
224 |
225 +------------------------------------------------------------------------------
226 */
227 extern USHORT GSI_Write (UBYTE DeviceNo,
228 void *Buffer,
229 USHORT *Length,
230 ULONG State,
231 ULONG Mask);
232
233 /*
234 +------------------------------------------------------------------------------
235 | Function : GSI_Look
236 +------------------------------------------------------------------------------
237 | Description : This function copies received data into a caller provided
238 | buffer without delete the data in the driver buffer. It should
239 | always return immediately after copying the data, without
240 | waiting for any more data.
241 |
242 | Parameters : DeviceNo - serial device number
243 | Buffer - buffer to copy the data
244 | Length - On call: size of Buffer; On return: copied bytes
245 | State - line states of the serial connection
246 |
247 | Return : DRV_OK - Function successful
248 | DRV_INVALID_PARAMS - The specified device does not exist
249 | DRV_INTERNAL_ERROR - Internal driver error
250 | DRV_NOTCONFIGURED - The driver is not yet configured
251 |
252 +------------------------------------------------------------------------------
253 */
254 extern USHORT GSI_Look (UBYTE DeviceNo,
255 void *Buffer,
256 USHORT *Length,
257 ULONG *State);
258
259 /*
260 +------------------------------------------------------------------------------
261 | Function : GSI_Clear
262 +------------------------------------------------------------------------------
263 | Description : This function is used to clear the device internal buffers.
264 |
265 | Parameters : DeviceNo - serial device number
266 | BufferType - buffer to be cleared
267 |
268 | Return : DRV_OK - Function successful
269 | DRV_INVALID_PARAMS - The specified device does not exist
270 | DRV_INTERNAL_ERROR - Internal driver error
271 | DRV_INPROCESS - The driver is busy clearing the buffers
272 |
273 +------------------------------------------------------------------------------
274 */
275 extern USHORT GSI_Clear (UBYTE DeviceNo,
276 USHORT BufferType);
277
278 /*
279 +------------------------------------------------------------------------------
280 | Function : GSI_Flush
281 +------------------------------------------------------------------------------
282 | Description : This function is used to flush the device internal transmit
283 | buffer.
284 |
285 | Parameters : DeviceNo - serial device number
286 |
287 | Return : DRV_OK - Function successful
288 | DRV_INVALID_PARAMS - The specified device does not exist
289 | DRV_INTERNAL_ERROR - Internal driver error
290 | DRV_INPROCESS - The driver is busy clearing the buffers
291 | DRV_NOTCONFIGURED - The driver is not yet configured
292 |
293 +------------------------------------------------------------------------------
294 */
295 extern USHORT GSI_Flush (UBYTE DeviceNo);
296
297 /*
298 +------------------------------------------------------------------------------
299 | Function : GSI_SetSignal
300 +------------------------------------------------------------------------------
301 | Description : This function enables indication signals from the driver. These
302 | signals are sent via the device callback function.
303 |
304 | Parameters : DeviceNo - serial device number
305 | SignalType - Signal type to be set
306 |
307 | Return : DRV_OK - Function successful
308 | DRV_INVALID_PARAMS - parameters out of range
309 | DRV_INTERNAL_ERROR - Internal driver error
310 | DRV_SIGFCT_NOTAVAILABLE - no event signaling functionality
311 |
312 +------------------------------------------------------------------------------
313 */
314 extern USHORT GSI_SetSignal (UBYTE DeviceNo,
315 USHORT SignalType);
316
317 /*
318 +------------------------------------------------------------------------------
319 | Function : GSI_ResetSignal
320 +------------------------------------------------------------------------------
321 | Description : This function disables indication signals from the driver.
322 |
323 | Parameters : DeviceNo - serial device number
324 | SignalType - Signal type to be reset
325 |
326 | Return : DRV_OK - Function successful
327 | DRV_INVALID_PARAMS - parameters out of range
328 | DRV_INTERNAL_ERROR - Internal driver error
329 | DRV_SIGFCT_NOTAVAILABLE - no event signaling functionality
330 |
331 +------------------------------------------------------------------------------
332 */
333 extern USHORT GSI_ResetSignal (UBYTE DeviceNo,
334 USHORT SignalType);
335
336 /*
337 +------------------------------------------------------------------------------
338 | Function : GSI_SetConfig
339 +------------------------------------------------------------------------------
340 | Description : This function configures the serial device.
341 |
342 | Parameters : DeviceNo - serial device number
343 | DCBPtr - pointer to the driver control block
344 |
345 | Return : DRV_OK - Function successful
346 | DRV_INVALID_PARAMS - parameters out of range
347 | DRV_INTERNAL_ERROR - Internal driver error
348 |
349 +------------------------------------------------------------------------------
350 */
351 extern USHORT GSI_SetConfig (UBYTE DeviceNo,
352 T_GSI_DCB *DCBPtr);
353
354 /*
355 +------------------------------------------------------------------------------
356 | Function : GSI_GetConfig
357 +------------------------------------------------------------------------------
358 | Description : This function reads the serial device configuration.
359 |
360 | Parameters : DeviceNo - serial device number
361 | DCBPtr - pointer to the driver control block
362 |
363 | Return : DRV_OK - Function successful
364 | DRV_INTERNAL_ERROR - Internal driver error
365 | DRV_NOTCONFIGURED - The driver is not yet configured
366 |
367 +------------------------------------------------------------------------------
368 */
369 extern USHORT GSI_GetConfig (UBYTE DeviceNo,
370 T_GSI_DCB *DCBPtr);
371
372 /*
373 +------------------------------------------------------------------------------
374 | Function : GSI_Callback
375 +------------------------------------------------------------------------------
376 | Description : This function is needed for cascaded drivers. This function
377 | must not be confused with the parameter CallbackFunc passed to
378 | GSI_Init().
379 |
380 | Parameters : Signal - pointer to the signal information data
381 |
382 | Return : no return value
383 |
384 +------------------------------------------------------------------------------
385 */
386 extern void GSI_Callback (T_DRV_SIGNAL *Signal);
387
388 #endif /* _TARGET_ */
389 #endif /* !GSI_H */