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rsserial.c
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1 /*******************************************************************************
2  *
3  * Module Name: rsserial - GPIO/serial_bus resource descriptors
4  *
5  ******************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2012, 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 MERCHANTIBILITY 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/acpi.h>
45 #include "accommon.h"
46 #include "acresrc.h"
47 
48 #define _COMPONENT ACPI_RESOURCES
49 ACPI_MODULE_NAME("rsserial")
50 
51 /*******************************************************************************
52  *
53  * acpi_rs_convert_gpio
54  *
55  ******************************************************************************/
56 struct acpi_rsconvert_info acpi_rs_convert_gpio[17] = {
57  {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GPIO,
58  ACPI_RS_SIZE(struct acpi_resource_gpio),
59  ACPI_RSC_TABLE_SIZE(acpi_rs_convert_gpio)},
60 
61  {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GPIO,
62  sizeof(struct aml_resource_gpio),
63  0},
64 
65  /*
66  * These fields are contiguous in both the source and destination:
67  * revision_id
68  * connection_type
69  */
70  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.revision_id),
71  AML_OFFSET(gpio.revision_id),
72  2},
73 
74  {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.producer_consumer),
75  AML_OFFSET(gpio.flags),
76  0},
77 
78  {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.sharable),
79  AML_OFFSET(gpio.int_flags),
80  3},
81 
82  {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.io_restriction),
83  AML_OFFSET(gpio.int_flags),
84  0},
85 
86  {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.triggering),
87  AML_OFFSET(gpio.int_flags),
88  0},
89 
90  {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.polarity),
91  AML_OFFSET(gpio.int_flags),
92  1},
93 
94  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.pin_config),
95  AML_OFFSET(gpio.pin_config),
96  1},
97 
98  /*
99  * These fields are contiguous in both the source and destination:
100  * drive_strength
101  * debounce_timeout
102  */
103  {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.gpio.drive_strength),
104  AML_OFFSET(gpio.drive_strength),
105  2},
106 
107  /* Pin Table */
108 
109  {ACPI_RSC_COUNT_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table_length),
110  AML_OFFSET(gpio.pin_table_offset),
111  AML_OFFSET(gpio.res_source_offset)},
112 
113  {ACPI_RSC_MOVE_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table),
114  AML_OFFSET(gpio.pin_table_offset),
115  0},
116 
117  /* Resource Source */
118 
119  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.resource_source.index),
120  AML_OFFSET(gpio.res_source_index),
121  1},
122 
123  {ACPI_RSC_COUNT_GPIO_RES,
124  ACPI_RS_OFFSET(data.gpio.resource_source.string_length),
125  AML_OFFSET(gpio.res_source_offset),
126  AML_OFFSET(gpio.vendor_offset)},
127 
128  {ACPI_RSC_MOVE_GPIO_RES,
129  ACPI_RS_OFFSET(data.gpio.resource_source.string_ptr),
130  AML_OFFSET(gpio.res_source_offset),
131  0},
132 
133  /* Vendor Data */
134 
135  {ACPI_RSC_COUNT_GPIO_VEN, ACPI_RS_OFFSET(data.gpio.vendor_length),
136  AML_OFFSET(gpio.vendor_length),
137  1},
138 
139  {ACPI_RSC_MOVE_GPIO_RES, ACPI_RS_OFFSET(data.gpio.vendor_data),
140  AML_OFFSET(gpio.vendor_offset),
141  0},
142 };
143 
144 /*******************************************************************************
145  *
146  * acpi_rs_convert_i2c_serial_bus
147  *
148  ******************************************************************************/
149 
150 struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = {
151  {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
152  ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus),
153  ACPI_RSC_TABLE_SIZE(acpi_rs_convert_i2c_serial_bus)},
154 
155  {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
156  sizeof(struct aml_resource_i2c_serialbus),
157  0},
158 
159  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
160  AML_OFFSET(common_serial_bus.revision_id),
161  1},
162 
163  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
164  AML_OFFSET(common_serial_bus.type),
165  1},
166 
167  {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
168  AML_OFFSET(common_serial_bus.flags),
169  0},
170 
171  {ACPI_RSC_1BITFLAG,
172  ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
173  AML_OFFSET(common_serial_bus.flags),
174  1},
175 
176  {ACPI_RSC_MOVE8,
177  ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
178  AML_OFFSET(common_serial_bus.type_revision_id),
179  1},
180 
181  {ACPI_RSC_MOVE16,
182  ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
183  AML_OFFSET(common_serial_bus.type_data_length),
184  1},
185 
186  /* Vendor data */
187 
188  {ACPI_RSC_COUNT_SERIAL_VEN,
189  ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
190  AML_OFFSET(common_serial_bus.type_data_length),
191  AML_RESOURCE_I2C_MIN_DATA_LEN},
192 
193  {ACPI_RSC_MOVE_SERIAL_VEN,
194  ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
195  0,
196  sizeof(struct aml_resource_i2c_serialbus)},
197 
198  /* Resource Source */
199 
200  {ACPI_RSC_MOVE8,
201  ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
202  AML_OFFSET(common_serial_bus.res_source_index),
203  1},
204 
205  {ACPI_RSC_COUNT_SERIAL_RES,
206  ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
207  AML_OFFSET(common_serial_bus.type_data_length),
208  sizeof(struct aml_resource_common_serialbus)},
209 
210  {ACPI_RSC_MOVE_SERIAL_RES,
211  ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
212  AML_OFFSET(common_serial_bus.type_data_length),
213  sizeof(struct aml_resource_common_serialbus)},
214 
215  /* I2C bus type specific */
216 
217  {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.i2c_serial_bus.access_mode),
218  AML_OFFSET(i2c_serial_bus.type_specific_flags),
219  0},
220 
221  {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.i2c_serial_bus.connection_speed),
222  AML_OFFSET(i2c_serial_bus.connection_speed),
223  1},
224 
225  {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.i2c_serial_bus.slave_address),
226  AML_OFFSET(i2c_serial_bus.slave_address),
227  1},
228 };
229 
230 /*******************************************************************************
231  *
232  * acpi_rs_convert_spi_serial_bus
233  *
234  ******************************************************************************/
235 
236 struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = {
237  {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
238  ACPI_RS_SIZE(struct acpi_resource_spi_serialbus),
239  ACPI_RSC_TABLE_SIZE(acpi_rs_convert_spi_serial_bus)},
240 
241  {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
242  sizeof(struct aml_resource_spi_serialbus),
243  0},
244 
245  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
246  AML_OFFSET(common_serial_bus.revision_id),
247  1},
248 
249  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
250  AML_OFFSET(common_serial_bus.type),
251  1},
252 
253  {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
254  AML_OFFSET(common_serial_bus.flags),
255  0},
256 
257  {ACPI_RSC_1BITFLAG,
258  ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
259  AML_OFFSET(common_serial_bus.flags),
260  1},
261 
262  {ACPI_RSC_MOVE8,
263  ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
264  AML_OFFSET(common_serial_bus.type_revision_id),
265  1},
266 
267  {ACPI_RSC_MOVE16,
268  ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
269  AML_OFFSET(common_serial_bus.type_data_length),
270  1},
271 
272  /* Vendor data */
273 
274  {ACPI_RSC_COUNT_SERIAL_VEN,
275  ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
276  AML_OFFSET(common_serial_bus.type_data_length),
277  AML_RESOURCE_SPI_MIN_DATA_LEN},
278 
279  {ACPI_RSC_MOVE_SERIAL_VEN,
280  ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
281  0,
282  sizeof(struct aml_resource_spi_serialbus)},
283 
284  /* Resource Source */
285 
286  {ACPI_RSC_MOVE8,
287  ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
288  AML_OFFSET(common_serial_bus.res_source_index),
289  1},
290 
291  {ACPI_RSC_COUNT_SERIAL_RES,
292  ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
293  AML_OFFSET(common_serial_bus.type_data_length),
294  sizeof(struct aml_resource_common_serialbus)},
295 
296  {ACPI_RSC_MOVE_SERIAL_RES,
297  ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
298  AML_OFFSET(common_serial_bus.type_data_length),
299  sizeof(struct aml_resource_common_serialbus)},
300 
301  /* Spi bus type specific */
302 
303  {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.wire_mode),
304  AML_OFFSET(spi_serial_bus.type_specific_flags),
305  0},
306 
307  {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.device_polarity),
308  AML_OFFSET(spi_serial_bus.type_specific_flags),
309  1},
310 
311  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.data_bit_length),
312  AML_OFFSET(spi_serial_bus.data_bit_length),
313  1},
314 
315  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_phase),
316  AML_OFFSET(spi_serial_bus.clock_phase),
317  1},
318 
319  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_polarity),
320  AML_OFFSET(spi_serial_bus.clock_polarity),
321  1},
322 
323  {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.spi_serial_bus.device_selection),
324  AML_OFFSET(spi_serial_bus.device_selection),
325  1},
326 
327  {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.spi_serial_bus.connection_speed),
328  AML_OFFSET(spi_serial_bus.connection_speed),
329  1},
330 };
331 
332 /*******************************************************************************
333  *
334  * acpi_rs_convert_uart_serial_bus
335  *
336  ******************************************************************************/
337 
338 struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[22] = {
339  {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
340  ACPI_RS_SIZE(struct acpi_resource_uart_serialbus),
341  ACPI_RSC_TABLE_SIZE(acpi_rs_convert_uart_serial_bus)},
342 
343  {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
344  sizeof(struct aml_resource_uart_serialbus),
345  0},
346 
347  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
348  AML_OFFSET(common_serial_bus.revision_id),
349  1},
350 
351  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
352  AML_OFFSET(common_serial_bus.type),
353  1},
354 
355  {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
356  AML_OFFSET(common_serial_bus.flags),
357  0},
358 
359  {ACPI_RSC_1BITFLAG,
360  ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
361  AML_OFFSET(common_serial_bus.flags),
362  1},
363 
364  {ACPI_RSC_MOVE8,
365  ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
366  AML_OFFSET(common_serial_bus.type_revision_id),
367  1},
368 
369  {ACPI_RSC_MOVE16,
370  ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
371  AML_OFFSET(common_serial_bus.type_data_length),
372  1},
373 
374  /* Vendor data */
375 
376  {ACPI_RSC_COUNT_SERIAL_VEN,
377  ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
378  AML_OFFSET(common_serial_bus.type_data_length),
379  AML_RESOURCE_UART_MIN_DATA_LEN},
380 
381  {ACPI_RSC_MOVE_SERIAL_VEN,
382  ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
383  0,
384  sizeof(struct aml_resource_uart_serialbus)},
385 
386  /* Resource Source */
387 
388  {ACPI_RSC_MOVE8,
389  ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
390  AML_OFFSET(common_serial_bus.res_source_index),
391  1},
392 
393  {ACPI_RSC_COUNT_SERIAL_RES,
394  ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
395  AML_OFFSET(common_serial_bus.type_data_length),
396  sizeof(struct aml_resource_common_serialbus)},
397 
398  {ACPI_RSC_MOVE_SERIAL_RES,
399  ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
400  AML_OFFSET(common_serial_bus.type_data_length),
401  sizeof(struct aml_resource_common_serialbus)},
402 
403  /* Uart bus type specific */
404 
405  {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.flow_control),
406  AML_OFFSET(uart_serial_bus.type_specific_flags),
407  0},
408 
409  {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.stop_bits),
410  AML_OFFSET(uart_serial_bus.type_specific_flags),
411  2},
412 
413  {ACPI_RSC_3BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.data_bits),
414  AML_OFFSET(uart_serial_bus.type_specific_flags),
415  4},
416 
417  {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.endian),
418  AML_OFFSET(uart_serial_bus.type_specific_flags),
419  7},
420 
421  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.parity),
422  AML_OFFSET(uart_serial_bus.parity),
423  1},
424 
425  {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.lines_enabled),
426  AML_OFFSET(uart_serial_bus.lines_enabled),
427  1},
428 
429  {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.rx_fifo_size),
430  AML_OFFSET(uart_serial_bus.rx_fifo_size),
431  1},
432 
433  {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.tx_fifo_size),
434  AML_OFFSET(uart_serial_bus.tx_fifo_size),
435  1},
436 
437  {ACPI_RSC_MOVE32,
438  ACPI_RS_OFFSET(data.uart_serial_bus.default_baud_rate),
439  AML_OFFSET(uart_serial_bus.default_baud_rate),
440  1},
441 };
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