1 /******************************************************************************
2 *
3 * Module Name: aslmapenter - Build resource descriptor/device maps
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2023, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44 #include "acpi.h"
45 #include "accommon.h"
46 #include "acapps.h"
47 #include "aslcompiler.h"
48
49 /* This module used for application-level code only */
50
51 #define _COMPONENT ACPI_COMPILER
52 ACPI_MODULE_NAME ("aslmapenter")
53
54 /* Local prototypes */
55
56 static ACPI_GPIO_INFO *
57 MpCreateGpioInfo (
58 UINT16 PinNumber,
59 char *DeviceName);
60
61 static ACPI_SERIAL_INFO *
62 MpCreateSerialInfo (
63 char *DeviceName,
64 UINT16 Address);
65
66
67 /*******************************************************************************
68 *
69 * FUNCTION: MpSaveGpioInfo
70 *
71 * PARAMETERS: Resource - GPIO resource descriptor
72 * PinCount - From GPIO descriptor
73 * PinList - From GPIO descriptor
74 * DeviceName - The "ResourceSource" name
75 *
76 * RETURN: None
77 *
78 * DESCRIPTION: External Interface.
79 * Save GPIO resource descriptor information.
80 * Creates new GPIO info blocks, one for each pin defined by the
81 * GPIO descriptor.
82 *
83 ******************************************************************************/
84
85 void
MpSaveGpioInfo(ACPI_PARSE_OBJECT * Op,AML_RESOURCE * Resource,UINT32 PinCount,UINT16 * PinList,char * DeviceName)86 MpSaveGpioInfo (
87 ACPI_PARSE_OBJECT *Op,
88 AML_RESOURCE *Resource,
89 UINT32 PinCount,
90 UINT16 *PinList,
91 char *DeviceName)
92 {
93 ACPI_GPIO_INFO *Info;
94 UINT32 i;
95
96
97 /* Mapfile option enabled? */
98
99 if (!AslGbl_MapfileFlag)
100 {
101 return;
102 }
103
104 /* Create an info block for each pin defined in the descriptor */
105
106 for (i = 0; i < PinCount; i++)
107 {
108 Info = MpCreateGpioInfo (PinList[i], DeviceName);
109
110 Info->Op = Op;
111 Info->DeviceName = DeviceName;
112 Info->PinCount = PinCount;
113 Info->PinIndex = i;
114 Info->PinNumber = PinList[i];
115 Info->Type = Resource->Gpio.ConnectionType;
116 Info->Direction = (UINT8) (Resource->Gpio.IntFlags & 0x0003); /* _IOR, for IO descriptor */
117 Info->Polarity = (UINT8) ((Resource->Gpio.IntFlags >> 1) & 0x0003); /* _POL, for INT descriptor */
118 }
119 }
120
121
122 /*******************************************************************************
123 *
124 * FUNCTION: MpSaveSerialInfo
125 *
126 * PARAMETERS: Resource - A Serial resource descriptor
127 * DeviceName - The "ResourceSource" name.
128 *
129 * RETURN: None
130 *
131 * DESCRIPTION: External Interface.
132 * Save serial resource descriptor information.
133 * Creates a new serial info block.
134 *
135 ******************************************************************************/
136
137 void
MpSaveSerialInfo(ACPI_PARSE_OBJECT * Op,AML_RESOURCE * Resource,char * DeviceName)138 MpSaveSerialInfo (
139 ACPI_PARSE_OBJECT *Op,
140 AML_RESOURCE *Resource,
141 char *DeviceName)
142 {
143 ACPI_SERIAL_INFO *Info;
144 UINT16 Address;
145 UINT32 Speed;
146
147
148 /* Mapfile option enabled? */
149
150 if (!AslGbl_MapfileFlag)
151 {
152 return;
153 }
154
155 if (Resource->DescriptorType != ACPI_RESOURCE_NAME_SERIAL_BUS)
156 {
157 return;
158 }
159
160 /* Extract address and speed from the resource descriptor */
161
162 switch (Resource->CommonSerialBus.Type)
163 {
164 case AML_RESOURCE_I2C_SERIALBUSTYPE:
165
166 Address = Resource->I2cSerialBus.SlaveAddress;
167 Speed = Resource->I2cSerialBus.ConnectionSpeed;
168 break;
169
170 case AML_RESOURCE_SPI_SERIALBUSTYPE:
171
172 Address = Resource->SpiSerialBus.DeviceSelection;
173 Speed = Resource->SpiSerialBus.ConnectionSpeed;
174 break;
175
176 case AML_RESOURCE_UART_SERIALBUSTYPE:
177
178 Address = 0;
179 Speed = Resource->UartSerialBus.DefaultBaudRate;
180 break;
181
182 default: /* Invalid bus subtype */
183 return;
184 }
185
186 Info = MpCreateSerialInfo (DeviceName, Address);
187
188 Info->Op = Op;
189 Info->DeviceName = DeviceName;
190 Info->Resource = Resource;
191 Info->Address = Address;
192 Info->Speed = Speed;
193 }
194
195
196 /*******************************************************************************
197 *
198 * FUNCTION: MpCreateGpioInfo
199 *
200 * PARAMETERS: PinNumber - GPIO pin number
201 * DeviceName - The "ResourceSource" name
202 *
203 * RETURN: New GPIO info block.
204 *
205 * DESCRIPTION: Create a new GPIO info block and place it on the global list.
206 * The list is sorted by GPIO device names first, and pin numbers
207 * secondarily.
208 *
209 ******************************************************************************/
210
211 static ACPI_GPIO_INFO *
MpCreateGpioInfo(UINT16 PinNumber,char * DeviceName)212 MpCreateGpioInfo (
213 UINT16 PinNumber,
214 char *DeviceName)
215 {
216 ACPI_GPIO_INFO *Info;
217 ACPI_GPIO_INFO *NextGpio;
218 ACPI_GPIO_INFO *PrevGpio;
219 char *Buffer;
220
221
222 /*
223 * Allocate a new info block and insert it into the global GPIO list
224 * sorted by both source device name and then the pin number. There is
225 * one block per pin.
226 */
227 Buffer = UtLocalCacheCalloc (sizeof (ACPI_GPIO_INFO));
228 Info = ACPI_CAST_PTR (ACPI_GPIO_INFO, Buffer);
229
230 NextGpio = AslGbl_GpioList;
231 PrevGpio = NULL;
232 if (!AslGbl_GpioList)
233 {
234 AslGbl_GpioList = Info;
235 Info->Next = NULL;
236 return (Info);
237 }
238
239 /* Sort on source DeviceName first */
240
241 while (NextGpio &&
242 (strcmp (DeviceName, NextGpio->DeviceName) > 0))
243 {
244 PrevGpio = NextGpio;
245 NextGpio = NextGpio->Next;
246 }
247
248 /* Now sort on the PinNumber */
249
250 while (NextGpio &&
251 (NextGpio->PinNumber < PinNumber) &&
252 !strcmp (DeviceName, NextGpio->DeviceName))
253 {
254 PrevGpio = NextGpio;
255 NextGpio = NextGpio->Next;
256 }
257
258 /* Finish the list insertion */
259
260 if (PrevGpio)
261 {
262 PrevGpio->Next = Info;
263 }
264 else
265 {
266 AslGbl_GpioList = Info;
267 }
268
269 Info->Next = NextGpio;
270 return (Info);
271 }
272
273
274 /*******************************************************************************
275 *
276 * FUNCTION: MpCreateSerialInfo
277 *
278 * PARAMETERS: DeviceName - The "ResourceSource" name.
279 * Address - Physical address for the device
280 *
281 * RETURN: New Serial info block.
282 *
283 * DESCRIPTION: Create a new Serial info block and place it on the global list.
284 * The list is sorted by Serial device names first, and addresses
285 * secondarily.
286 *
287 ******************************************************************************/
288
289 static ACPI_SERIAL_INFO *
MpCreateSerialInfo(char * DeviceName,UINT16 Address)290 MpCreateSerialInfo (
291 char *DeviceName,
292 UINT16 Address)
293 {
294 ACPI_SERIAL_INFO *Info;
295 ACPI_SERIAL_INFO *NextSerial;
296 ACPI_SERIAL_INFO *PrevSerial;
297 char *Buffer;
298
299
300 /*
301 * Allocate a new info block and insert it into the global Serial list
302 * sorted by both source device name and then the address.
303 */
304 Buffer = UtLocalCacheCalloc (sizeof (ACPI_SERIAL_INFO));
305 Info = ACPI_CAST_PTR (ACPI_SERIAL_INFO, Buffer);
306
307 NextSerial = AslGbl_SerialList;
308 PrevSerial = NULL;
309 if (!AslGbl_SerialList)
310 {
311 AslGbl_SerialList = Info;
312 Info->Next = NULL;
313 return (Info);
314 }
315
316 /* Sort on source DeviceName */
317
318 while (NextSerial &&
319 (strcmp (DeviceName, NextSerial->DeviceName) > 0))
320 {
321 PrevSerial = NextSerial;
322 NextSerial = NextSerial->Next;
323 }
324
325 /* Now sort on the Address */
326
327 while (NextSerial &&
328 (NextSerial->Address < Address) &&
329 !strcmp (DeviceName, NextSerial->DeviceName))
330 {
331 PrevSerial = NextSerial;
332 NextSerial = NextSerial->Next;
333 }
334
335 /* Finish the list insertion */
336
337 if (PrevSerial)
338 {
339 PrevSerial->Next = Info;
340 }
341 else
342 {
343 AslGbl_SerialList = Info;
344 }
345
346 Info->Next = NextSerial;
347 return (Info);
348 }
349