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1da177e4 LT |
1 | /* |
2 | * pnpacpi -- PnP ACPI driver | |
3 | * | |
4 | * Copyright (c) 2004 Matthieu Castet <castet.matthieu@free.fr> | |
5 | * Copyright (c) 2004 Li Shaohua <shaohua.li@intel.com> | |
50eca3eb | 6 | * |
1da177e4 LT |
7 | * This program is free software; you can redistribute it and/or modify it |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | #include <linux/kernel.h> | |
22 | #include <linux/acpi.h> | |
23 | #include <linux/pci.h> | |
24 | #include "pnpacpi.h" | |
25 | ||
26 | #ifdef CONFIG_IA64 | |
27 | #define valid_IRQ(i) (1) | |
28 | #else | |
29 | #define valid_IRQ(i) (((i) != 0) && ((i) != 2)) | |
30 | #endif | |
31 | ||
32 | /* | |
33 | * Allocated Resources | |
34 | */ | |
50eca3eb | 35 | static int irq_flags(int triggering, int polarity) |
1da177e4 | 36 | { |
50eca3eb | 37 | if (triggering == ACPI_LEVEL_SENSITIVE) { |
1c6e7d0a | 38 | if (polarity == ACPI_ACTIVE_LOW) |
4cec086b | 39 | return IORESOURCE_IRQ_LOWLEVEL; |
1da177e4 | 40 | else |
4cec086b | 41 | return IORESOURCE_IRQ_HIGHLEVEL; |
9dd78466 | 42 | } else { |
1c6e7d0a | 43 | if (polarity == ACPI_ACTIVE_LOW) |
4cec086b | 44 | return IORESOURCE_IRQ_LOWEDGE; |
1da177e4 | 45 | else |
4cec086b | 46 | return IORESOURCE_IRQ_HIGHEDGE; |
1da177e4 | 47 | } |
1da177e4 LT |
48 | } |
49 | ||
50eca3eb | 50 | static void decode_irq_flags(int flag, int *triggering, int *polarity) |
1da177e4 LT |
51 | { |
52 | switch (flag) { | |
53 | case IORESOURCE_IRQ_LOWLEVEL: | |
50eca3eb BM |
54 | *triggering = ACPI_LEVEL_SENSITIVE; |
55 | *polarity = ACPI_ACTIVE_LOW; | |
1da177e4 | 56 | break; |
1c6e7d0a | 57 | case IORESOURCE_IRQ_HIGHLEVEL: |
50eca3eb BM |
58 | *triggering = ACPI_LEVEL_SENSITIVE; |
59 | *polarity = ACPI_ACTIVE_HIGH; | |
1da177e4 LT |
60 | break; |
61 | case IORESOURCE_IRQ_LOWEDGE: | |
50eca3eb BM |
62 | *triggering = ACPI_EDGE_SENSITIVE; |
63 | *polarity = ACPI_ACTIVE_LOW; | |
1da177e4 LT |
64 | break; |
65 | case IORESOURCE_IRQ_HIGHEDGE: | |
50eca3eb BM |
66 | *triggering = ACPI_EDGE_SENSITIVE; |
67 | *polarity = ACPI_ACTIVE_HIGH; | |
1da177e4 LT |
68 | break; |
69 | } | |
70 | } | |
71 | ||
07d4e9af BH |
72 | static void pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res, |
73 | u32 gsi, int triggering, | |
74 | int polarity, int shareable) | |
1da177e4 LT |
75 | { |
76 | int i = 0; | |
dbed12da | 77 | int irq; |
61fd47e0 | 78 | int p, t; |
66a21736 | 79 | static unsigned char warned; |
dbed12da BH |
80 | |
81 | if (!valid_IRQ(gsi)) | |
82 | return; | |
83 | ||
1da177e4 | 84 | while (!(res->irq_resource[i].flags & IORESOURCE_UNSET) && |
9dd78466 | 85 | i < PNP_MAX_IRQ) |
1da177e4 | 86 | i++; |
66a21736 | 87 | if (i >= PNP_MAX_IRQ && !warned) { |
a7839e96 ZY |
88 | printk(KERN_ERR "pnpacpi: exceeded the max number of IRQ " |
89 | "resources: %d \n", PNP_MAX_IRQ); | |
66a21736 | 90 | warned = 1; |
dbed12da | 91 | return; |
a7839e96 | 92 | } |
61fd47e0 SL |
93 | /* |
94 | * in IO-APIC mode, use overrided attribute. Two reasons: | |
95 | * 1. BIOS bug in DSDT | |
96 | * 2. BIOS uses IO-APIC mode Interrupt Source Override | |
97 | */ | |
98 | if (!acpi_get_override_irq(gsi, &t, &p)) { | |
99 | t = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE; | |
100 | p = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH; | |
101 | ||
102 | if (triggering != t || polarity != p) { | |
103 | pnp_warn("IRQ %d override to %s, %s", | |
104 | gsi, t ? "edge":"level", p ? "low":"high"); | |
105 | triggering = t; | |
106 | polarity = p; | |
107 | } | |
108 | } | |
109 | ||
9dd78466 | 110 | res->irq_resource[i].flags = IORESOURCE_IRQ; // Also clears _UNSET flag |
362ea087 | 111 | res->irq_resource[i].flags |= irq_flags(triggering, polarity); |
50eca3eb | 112 | irq = acpi_register_gsi(gsi, triggering, polarity); |
dbed12da BH |
113 | if (irq < 0) { |
114 | res->irq_resource[i].flags |= IORESOURCE_DISABLED; | |
115 | return; | |
1da177e4 | 116 | } |
dbed12da | 117 | |
c32928c5 BH |
118 | if (shareable) |
119 | res->irq_resource[i].flags |= IORESOURCE_IRQ_SHAREABLE; | |
120 | ||
dbed12da BH |
121 | res->irq_resource[i].start = irq; |
122 | res->irq_resource[i].end = irq; | |
123 | pcibios_penalize_isa_irq(irq, 1); | |
1da177e4 LT |
124 | } |
125 | ||
362ea087 MK |
126 | static int dma_flags(int type, int bus_master, int transfer) |
127 | { | |
128 | int flags = 0; | |
129 | ||
130 | if (bus_master) | |
131 | flags |= IORESOURCE_DMA_MASTER; | |
132 | switch (type) { | |
133 | case ACPI_COMPATIBILITY: | |
134 | flags |= IORESOURCE_DMA_COMPATIBLE; | |
135 | break; | |
136 | case ACPI_TYPE_A: | |
137 | flags |= IORESOURCE_DMA_TYPEA; | |
138 | break; | |
139 | case ACPI_TYPE_B: | |
140 | flags |= IORESOURCE_DMA_TYPEB; | |
141 | break; | |
142 | case ACPI_TYPE_F: | |
143 | flags |= IORESOURCE_DMA_TYPEF; | |
144 | break; | |
145 | default: | |
146 | /* Set a default value ? */ | |
147 | flags |= IORESOURCE_DMA_COMPATIBLE; | |
148 | pnp_err("Invalid DMA type"); | |
149 | } | |
150 | switch (transfer) { | |
151 | case ACPI_TRANSFER_8: | |
152 | flags |= IORESOURCE_DMA_8BIT; | |
153 | break; | |
154 | case ACPI_TRANSFER_8_16: | |
155 | flags |= IORESOURCE_DMA_8AND16BIT; | |
156 | break; | |
157 | case ACPI_TRANSFER_16: | |
158 | flags |= IORESOURCE_DMA_16BIT; | |
159 | break; | |
160 | default: | |
161 | /* Set a default value ? */ | |
162 | flags |= IORESOURCE_DMA_8AND16BIT; | |
163 | pnp_err("Invalid DMA transfer type"); | |
164 | } | |
165 | ||
166 | return flags; | |
167 | } | |
168 | ||
07d4e9af BH |
169 | static void pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table *res, |
170 | u32 dma, int type, | |
171 | int bus_master, int transfer) | |
1da177e4 LT |
172 | { |
173 | int i = 0; | |
66a21736 | 174 | static unsigned char warned; |
07d4e9af | 175 | |
0dec63ba | 176 | while (i < PNP_MAX_DMA && |
9dd78466 | 177 | !(res->dma_resource[i].flags & IORESOURCE_UNSET)) |
1da177e4 LT |
178 | i++; |
179 | if (i < PNP_MAX_DMA) { | |
9dd78466 BH |
180 | res->dma_resource[i].flags = IORESOURCE_DMA; // Also clears _UNSET flag |
181 | res->dma_resource[i].flags |= | |
182 | dma_flags(type, bus_master, transfer); | |
1da177e4 LT |
183 | if (dma == -1) { |
184 | res->dma_resource[i].flags |= IORESOURCE_DISABLED; | |
185 | return; | |
186 | } | |
dbed12da BH |
187 | res->dma_resource[i].start = dma; |
188 | res->dma_resource[i].end = dma; | |
66a21736 | 189 | } else if (!warned) { |
a7839e96 ZY |
190 | printk(KERN_ERR "pnpacpi: exceeded the max number of DMA " |
191 | "resources: %d \n", PNP_MAX_DMA); | |
66a21736 | 192 | warned = 1; |
1da177e4 LT |
193 | } |
194 | } | |
195 | ||
07d4e9af BH |
196 | static void pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res, |
197 | u64 io, u64 len, int io_decode) | |
1da177e4 LT |
198 | { |
199 | int i = 0; | |
66a21736 | 200 | static unsigned char warned; |
07d4e9af | 201 | |
1da177e4 | 202 | while (!(res->port_resource[i].flags & IORESOURCE_UNSET) && |
9dd78466 | 203 | i < PNP_MAX_PORT) |
1da177e4 LT |
204 | i++; |
205 | if (i < PNP_MAX_PORT) { | |
9dd78466 | 206 | res->port_resource[i].flags = IORESOURCE_IO; // Also clears _UNSET flag |
362ea087 MK |
207 | if (io_decode == ACPI_DECODE_16) |
208 | res->port_resource[i].flags |= PNP_PORT_FLAG_16BITADDR; | |
9dd78466 | 209 | if (len <= 0 || (io + len - 1) >= 0x10003) { |
1da177e4 LT |
210 | res->port_resource[i].flags |= IORESOURCE_DISABLED; |
211 | return; | |
212 | } | |
dbed12da BH |
213 | res->port_resource[i].start = io; |
214 | res->port_resource[i].end = io + len - 1; | |
66a21736 | 215 | } else if (!warned) { |
a7839e96 ZY |
216 | printk(KERN_ERR "pnpacpi: exceeded the max number of IO " |
217 | "resources: %d \n", PNP_MAX_PORT); | |
1da177e4 LT |
218 | } |
219 | } | |
220 | ||
07d4e9af BH |
221 | static void pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res, |
222 | u64 mem, u64 len, | |
223 | int write_protect) | |
1da177e4 LT |
224 | { |
225 | int i = 0; | |
66a21736 | 226 | static unsigned char warned; |
07d4e9af | 227 | |
1da177e4 | 228 | while (!(res->mem_resource[i].flags & IORESOURCE_UNSET) && |
9dd78466 | 229 | (i < PNP_MAX_MEM)) |
1da177e4 LT |
230 | i++; |
231 | if (i < PNP_MAX_MEM) { | |
9dd78466 | 232 | res->mem_resource[i].flags = IORESOURCE_MEM; // Also clears _UNSET flag |
1da177e4 LT |
233 | if (len <= 0) { |
234 | res->mem_resource[i].flags |= IORESOURCE_DISABLED; | |
235 | return; | |
236 | } | |
9dd78466 | 237 | if (write_protect == ACPI_READ_WRITE_MEMORY) |
362ea087 MK |
238 | res->mem_resource[i].flags |= IORESOURCE_MEM_WRITEABLE; |
239 | ||
dbed12da BH |
240 | res->mem_resource[i].start = mem; |
241 | res->mem_resource[i].end = mem + len - 1; | |
66a21736 | 242 | } else if (!warned) { |
a7839e96 ZY |
243 | printk(KERN_ERR "pnpacpi: exceeded the max number of mem " |
244 | "resources: %d\n", PNP_MAX_MEM); | |
1da177e4 LT |
245 | } |
246 | } | |
247 | ||
07d4e9af BH |
248 | static void pnpacpi_parse_allocated_address_space(struct pnp_resource_table *res_table, |
249 | struct acpi_resource *res) | |
1acfb7f2 BH |
250 | { |
251 | struct acpi_resource_address64 addr, *p = &addr; | |
252 | acpi_status status; | |
253 | ||
254 | status = acpi_resource_to_address64(res, p); | |
255 | if (!ACPI_SUCCESS(status)) { | |
256 | pnp_warn("PnPACPI: failed to convert resource type %d", | |
9dd78466 | 257 | res->type); |
1acfb7f2 BH |
258 | return; |
259 | } | |
260 | ||
2b8de5f5 | 261 | if (p->producer_consumer == ACPI_PRODUCER) |
262 | return; | |
263 | ||
1acfb7f2 BH |
264 | if (p->resource_type == ACPI_MEMORY_RANGE) |
265 | pnpacpi_parse_allocated_memresource(res_table, | |
07d4e9af BH |
266 | p->minimum, p->address_length, |
267 | p->info.mem.write_protect); | |
1acfb7f2 BH |
268 | else if (p->resource_type == ACPI_IO_RANGE) |
269 | pnpacpi_parse_allocated_ioresource(res_table, | |
07d4e9af BH |
270 | p->minimum, p->address_length, |
271 | p->granularity == 0xfff ? ACPI_DECODE_10 : | |
272 | ACPI_DECODE_16); | |
1acfb7f2 | 273 | } |
1da177e4 LT |
274 | |
275 | static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, | |
9dd78466 | 276 | void *data) |
1da177e4 | 277 | { |
4721a4cc | 278 | struct pnp_resource_table *res_table = data; |
dbed12da | 279 | int i; |
1da177e4 | 280 | |
eca008c8 | 281 | switch (res->type) { |
50eca3eb | 282 | case ACPI_RESOURCE_TYPE_IRQ: |
dbed12da BH |
283 | /* |
284 | * Per spec, only one interrupt per descriptor is allowed in | |
285 | * _CRS, but some firmware violates this, so parse them all. | |
286 | */ | |
50eca3eb | 287 | for (i = 0; i < res->data.irq.interrupt_count; i++) { |
dbed12da | 288 | pnpacpi_parse_allocated_irqresource(res_table, |
07d4e9af BH |
289 | res->data.irq.interrupts[i], |
290 | res->data.irq.triggering, | |
291 | res->data.irq.polarity, | |
292 | res->data.irq.sharable); | |
1da177e4 LT |
293 | } |
294 | break; | |
295 | ||
50eca3eb BM |
296 | case ACPI_RESOURCE_TYPE_DMA: |
297 | if (res->data.dma.channel_count > 0) | |
298 | pnpacpi_parse_allocated_dmaresource(res_table, | |
07d4e9af BH |
299 | res->data.dma.channels[0], |
300 | res->data.dma.type, | |
301 | res->data.dma.bus_master, | |
302 | res->data.dma.transfer); | |
1da177e4 | 303 | break; |
0af5853b | 304 | |
50eca3eb BM |
305 | case ACPI_RESOURCE_TYPE_IO: |
306 | pnpacpi_parse_allocated_ioresource(res_table, | |
07d4e9af BH |
307 | res->data.io.minimum, |
308 | res->data.io.address_length, | |
309 | res->data.io.io_decode); | |
1da177e4 | 310 | break; |
0af5853b LB |
311 | |
312 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: | |
313 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: | |
314 | break; | |
315 | ||
50eca3eb BM |
316 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
317 | pnpacpi_parse_allocated_ioresource(res_table, | |
07d4e9af BH |
318 | res->data.fixed_io.address, |
319 | res->data.fixed_io.address_length, | |
320 | ACPI_DECODE_10); | |
1da177e4 | 321 | break; |
0af5853b LB |
322 | |
323 | case ACPI_RESOURCE_TYPE_VENDOR: | |
324 | break; | |
325 | ||
326 | case ACPI_RESOURCE_TYPE_END_TAG: | |
327 | break; | |
328 | ||
50eca3eb BM |
329 | case ACPI_RESOURCE_TYPE_MEMORY24: |
330 | pnpacpi_parse_allocated_memresource(res_table, | |
07d4e9af BH |
331 | res->data.memory24.minimum, |
332 | res->data.memory24.address_length, | |
333 | res->data.memory24.write_protect); | |
1da177e4 | 334 | break; |
50eca3eb BM |
335 | case ACPI_RESOURCE_TYPE_MEMORY32: |
336 | pnpacpi_parse_allocated_memresource(res_table, | |
07d4e9af BH |
337 | res->data.memory32.minimum, |
338 | res->data.memory32.address_length, | |
339 | res->data.memory32.write_protect); | |
1da177e4 | 340 | break; |
50eca3eb BM |
341 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
342 | pnpacpi_parse_allocated_memresource(res_table, | |
07d4e9af BH |
343 | res->data.fixed_memory32.address, |
344 | res->data.fixed_memory32.address_length, | |
345 | res->data.fixed_memory32.write_protect); | |
1da177e4 | 346 | break; |
50eca3eb | 347 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
50eca3eb | 348 | case ACPI_RESOURCE_TYPE_ADDRESS32: |
50eca3eb | 349 | case ACPI_RESOURCE_TYPE_ADDRESS64: |
1acfb7f2 | 350 | pnpacpi_parse_allocated_address_space(res_table, res); |
1da177e4 | 351 | break; |
0af5853b LB |
352 | |
353 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: | |
2b8de5f5 | 354 | if (res->data.ext_address64.producer_consumer == ACPI_PRODUCER) |
355 | return AE_OK; | |
0af5853b LB |
356 | break; |
357 | ||
358 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: | |
2b8de5f5 | 359 | if (res->data.extended_irq.producer_consumer == ACPI_PRODUCER) |
360 | return AE_OK; | |
361 | ||
0af5853b LB |
362 | for (i = 0; i < res->data.extended_irq.interrupt_count; i++) { |
363 | pnpacpi_parse_allocated_irqresource(res_table, | |
07d4e9af BH |
364 | res->data.extended_irq.interrupts[i], |
365 | res->data.extended_irq.triggering, | |
366 | res->data.extended_irq.polarity, | |
367 | res->data.extended_irq.sharable); | |
0af5853b LB |
368 | } |
369 | break; | |
370 | ||
371 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: | |
1da177e4 | 372 | break; |
0af5853b | 373 | |
1da177e4 | 374 | default: |
eca008c8 | 375 | pnp_warn("PnPACPI: unknown resource type %d", res->type); |
1da177e4 LT |
376 | return AE_ERROR; |
377 | } | |
1c6e7d0a | 378 | |
1da177e4 LT |
379 | return AE_OK; |
380 | } | |
381 | ||
9dd78466 BH |
382 | acpi_status pnpacpi_parse_allocated_resource(acpi_handle handle, |
383 | struct pnp_resource_table * res) | |
1da177e4 LT |
384 | { |
385 | /* Blank the resource table values */ | |
386 | pnp_init_resource_table(res); | |
387 | ||
9dd78466 BH |
388 | return acpi_walk_resources(handle, METHOD_NAME__CRS, |
389 | pnpacpi_allocated_resource, res); | |
1da177e4 LT |
390 | } |
391 | ||
9dd78466 BH |
392 | static void pnpacpi_parse_dma_option(struct pnp_option *option, |
393 | struct acpi_resource_dma *p) | |
1da177e4 LT |
394 | { |
395 | int i; | |
9dd78466 | 396 | struct pnp_dma *dma; |
1da177e4 | 397 | |
50eca3eb | 398 | if (p->channel_count == 0) |
1da177e4 | 399 | return; |
cd861280 | 400 | dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL); |
1da177e4 LT |
401 | if (!dma) |
402 | return; | |
403 | ||
9dd78466 | 404 | for (i = 0; i < p->channel_count; i++) |
1da177e4 | 405 | dma->map |= 1 << p->channels[i]; |
362ea087 MK |
406 | |
407 | dma->flags = dma_flags(p->type, p->bus_master, p->transfer); | |
1da177e4 | 408 | |
1c6e7d0a | 409 | pnp_register_dma_resource(option, dma); |
1da177e4 LT |
410 | } |
411 | ||
1da177e4 | 412 | static void pnpacpi_parse_irq_option(struct pnp_option *option, |
9dd78466 | 413 | struct acpi_resource_irq *p) |
1da177e4 LT |
414 | { |
415 | int i; | |
1c6e7d0a BH |
416 | struct pnp_irq *irq; |
417 | ||
50eca3eb | 418 | if (p->interrupt_count == 0) |
1da177e4 | 419 | return; |
cd861280 | 420 | irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL); |
1da177e4 LT |
421 | if (!irq) |
422 | return; | |
423 | ||
9dd78466 | 424 | for (i = 0; i < p->interrupt_count; i++) |
1da177e4 LT |
425 | if (p->interrupts[i]) |
426 | __set_bit(p->interrupts[i], irq->map); | |
50eca3eb | 427 | irq->flags = irq_flags(p->triggering, p->polarity); |
1da177e4 LT |
428 | |
429 | pnp_register_irq_resource(option, irq); | |
1da177e4 LT |
430 | } |
431 | ||
432 | static void pnpacpi_parse_ext_irq_option(struct pnp_option *option, | |
9dd78466 | 433 | struct acpi_resource_extended_irq *p) |
1da177e4 LT |
434 | { |
435 | int i; | |
1c6e7d0a | 436 | struct pnp_irq *irq; |
1da177e4 | 437 | |
50eca3eb | 438 | if (p->interrupt_count == 0) |
1da177e4 | 439 | return; |
cd861280 | 440 | irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL); |
1da177e4 LT |
441 | if (!irq) |
442 | return; | |
443 | ||
9dd78466 | 444 | for (i = 0; i < p->interrupt_count; i++) |
1da177e4 LT |
445 | if (p->interrupts[i]) |
446 | __set_bit(p->interrupts[i], irq->map); | |
50eca3eb | 447 | irq->flags = irq_flags(p->triggering, p->polarity); |
1da177e4 LT |
448 | |
449 | pnp_register_irq_resource(option, irq); | |
1da177e4 LT |
450 | } |
451 | ||
07d4e9af BH |
452 | static void pnpacpi_parse_port_option(struct pnp_option *option, |
453 | struct acpi_resource_io *io) | |
1da177e4 | 454 | { |
1c6e7d0a | 455 | struct pnp_port *port; |
1da177e4 | 456 | |
50eca3eb | 457 | if (io->address_length == 0) |
1da177e4 | 458 | return; |
cd861280 | 459 | port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); |
1da177e4 LT |
460 | if (!port) |
461 | return; | |
50eca3eb BM |
462 | port->min = io->minimum; |
463 | port->max = io->maximum; | |
1da177e4 | 464 | port->align = io->alignment; |
50eca3eb BM |
465 | port->size = io->address_length; |
466 | port->flags = ACPI_DECODE_16 == io->io_decode ? | |
9dd78466 | 467 | PNP_PORT_FLAG_16BITADDR : 0; |
1c6e7d0a | 468 | pnp_register_port_resource(option, port); |
1da177e4 LT |
469 | } |
470 | ||
07d4e9af BH |
471 | static void pnpacpi_parse_fixed_port_option(struct pnp_option *option, |
472 | struct acpi_resource_fixed_io *io) | |
1da177e4 | 473 | { |
1c6e7d0a | 474 | struct pnp_port *port; |
1da177e4 | 475 | |
50eca3eb | 476 | if (io->address_length == 0) |
1da177e4 | 477 | return; |
cd861280 | 478 | port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); |
1da177e4 LT |
479 | if (!port) |
480 | return; | |
50eca3eb BM |
481 | port->min = port->max = io->address; |
482 | port->size = io->address_length; | |
1da177e4 LT |
483 | port->align = 0; |
484 | port->flags = PNP_PORT_FLAG_FIXED; | |
1c6e7d0a | 485 | pnp_register_port_resource(option, port); |
1da177e4 LT |
486 | } |
487 | ||
07d4e9af BH |
488 | static void pnpacpi_parse_mem24_option(struct pnp_option *option, |
489 | struct acpi_resource_memory24 *p) | |
1da177e4 | 490 | { |
1c6e7d0a | 491 | struct pnp_mem *mem; |
1da177e4 | 492 | |
50eca3eb | 493 | if (p->address_length == 0) |
1da177e4 | 494 | return; |
cd861280 | 495 | mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); |
1da177e4 LT |
496 | if (!mem) |
497 | return; | |
50eca3eb BM |
498 | mem->min = p->minimum; |
499 | mem->max = p->maximum; | |
1da177e4 | 500 | mem->align = p->alignment; |
50eca3eb | 501 | mem->size = p->address_length; |
1da177e4 | 502 | |
0897831b | 503 | mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ? |
9dd78466 | 504 | IORESOURCE_MEM_WRITEABLE : 0; |
1da177e4 | 505 | |
1c6e7d0a | 506 | pnp_register_mem_resource(option, mem); |
1da177e4 LT |
507 | } |
508 | ||
07d4e9af BH |
509 | static void pnpacpi_parse_mem32_option(struct pnp_option *option, |
510 | struct acpi_resource_memory32 *p) | |
1da177e4 | 511 | { |
1c6e7d0a | 512 | struct pnp_mem *mem; |
1da177e4 | 513 | |
50eca3eb | 514 | if (p->address_length == 0) |
1da177e4 | 515 | return; |
cd861280 | 516 | mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); |
1da177e4 LT |
517 | if (!mem) |
518 | return; | |
50eca3eb BM |
519 | mem->min = p->minimum; |
520 | mem->max = p->maximum; | |
1da177e4 | 521 | mem->align = p->alignment; |
50eca3eb | 522 | mem->size = p->address_length; |
1da177e4 | 523 | |
0897831b | 524 | mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ? |
9dd78466 | 525 | IORESOURCE_MEM_WRITEABLE : 0; |
1da177e4 | 526 | |
1c6e7d0a | 527 | pnp_register_mem_resource(option, mem); |
1da177e4 LT |
528 | } |
529 | ||
07d4e9af BH |
530 | static void pnpacpi_parse_fixed_mem32_option(struct pnp_option *option, |
531 | struct acpi_resource_fixed_memory32 *p) | |
1da177e4 | 532 | { |
1c6e7d0a | 533 | struct pnp_mem *mem; |
1da177e4 | 534 | |
50eca3eb | 535 | if (p->address_length == 0) |
1da177e4 | 536 | return; |
cd861280 | 537 | mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); |
1da177e4 LT |
538 | if (!mem) |
539 | return; | |
50eca3eb BM |
540 | mem->min = mem->max = p->address; |
541 | mem->size = p->address_length; | |
1da177e4 LT |
542 | mem->align = 0; |
543 | ||
0897831b | 544 | mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ? |
9dd78466 | 545 | IORESOURCE_MEM_WRITEABLE : 0; |
1da177e4 | 546 | |
1c6e7d0a | 547 | pnp_register_mem_resource(option, mem); |
1da177e4 LT |
548 | } |
549 | ||
07d4e9af BH |
550 | static void pnpacpi_parse_address_option(struct pnp_option *option, |
551 | struct acpi_resource *r) | |
6f957eaf BH |
552 | { |
553 | struct acpi_resource_address64 addr, *p = &addr; | |
554 | acpi_status status; | |
1c6e7d0a BH |
555 | struct pnp_mem *mem; |
556 | struct pnp_port *port; | |
6f957eaf BH |
557 | |
558 | status = acpi_resource_to_address64(r, p); | |
559 | if (!ACPI_SUCCESS(status)) { | |
9dd78466 BH |
560 | pnp_warn("PnPACPI: failed to convert resource type %d", |
561 | r->type); | |
6f957eaf BH |
562 | return; |
563 | } | |
564 | ||
565 | if (p->address_length == 0) | |
566 | return; | |
567 | ||
568 | if (p->resource_type == ACPI_MEMORY_RANGE) { | |
cd861280 | 569 | mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); |
6f957eaf BH |
570 | if (!mem) |
571 | return; | |
ed03f430 | 572 | mem->min = mem->max = p->minimum; |
6f957eaf BH |
573 | mem->size = p->address_length; |
574 | mem->align = 0; | |
ed03f430 | 575 | mem->flags = (p->info.mem.write_protect == |
9dd78466 BH |
576 | ACPI_READ_WRITE_MEMORY) ? IORESOURCE_MEM_WRITEABLE |
577 | : 0; | |
1c6e7d0a | 578 | pnp_register_mem_resource(option, mem); |
6f957eaf | 579 | } else if (p->resource_type == ACPI_IO_RANGE) { |
cd861280 | 580 | port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); |
6f957eaf BH |
581 | if (!port) |
582 | return; | |
ed03f430 | 583 | port->min = port->max = p->minimum; |
6f957eaf BH |
584 | port->size = p->address_length; |
585 | port->align = 0; | |
586 | port->flags = PNP_PORT_FLAG_FIXED; | |
1c6e7d0a | 587 | pnp_register_port_resource(option, port); |
6f957eaf BH |
588 | } |
589 | } | |
590 | ||
1da177e4 LT |
591 | struct acpipnp_parse_option_s { |
592 | struct pnp_option *option; | |
b008b8d7 | 593 | struct pnp_option *option_independent; |
1da177e4 LT |
594 | struct pnp_dev *dev; |
595 | }; | |
596 | ||
50eca3eb | 597 | static acpi_status pnpacpi_option_resource(struct acpi_resource *res, |
9dd78466 | 598 | void *data) |
1da177e4 LT |
599 | { |
600 | int priority = 0; | |
4721a4cc | 601 | struct acpipnp_parse_option_s *parse_data = data; |
1da177e4 LT |
602 | struct pnp_dev *dev = parse_data->dev; |
603 | struct pnp_option *option = parse_data->option; | |
604 | ||
eca008c8 | 605 | switch (res->type) { |
9dd78466 BH |
606 | case ACPI_RESOURCE_TYPE_IRQ: |
607 | pnpacpi_parse_irq_option(option, &res->data.irq); | |
608 | break; | |
0af5853b | 609 | |
9dd78466 BH |
610 | case ACPI_RESOURCE_TYPE_DMA: |
611 | pnpacpi_parse_dma_option(option, &res->data.dma); | |
612 | break; | |
0af5853b | 613 | |
9dd78466 BH |
614 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: |
615 | switch (res->data.start_dpf.compatibility_priority) { | |
616 | case ACPI_GOOD_CONFIGURATION: | |
617 | priority = PNP_RES_PRIORITY_PREFERRED; | |
1da177e4 | 618 | break; |
0af5853b | 619 | |
9dd78466 BH |
620 | case ACPI_ACCEPTABLE_CONFIGURATION: |
621 | priority = PNP_RES_PRIORITY_ACCEPTABLE; | |
b008b8d7 | 622 | break; |
0af5853b | 623 | |
9dd78466 BH |
624 | case ACPI_SUB_OPTIMAL_CONFIGURATION: |
625 | priority = PNP_RES_PRIORITY_FUNCTIONAL; | |
0af5853b | 626 | break; |
9dd78466 BH |
627 | default: |
628 | priority = PNP_RES_PRIORITY_INVALID; | |
0af5853b | 629 | break; |
9dd78466 | 630 | } |
07d4e9af | 631 | /* TBD: Consider performance/robustness bits */ |
9dd78466 BH |
632 | option = pnp_register_dependent_option(dev, priority); |
633 | if (!option) | |
634 | return AE_ERROR; | |
635 | parse_data->option = option; | |
636 | break; | |
0af5853b | 637 | |
9dd78466 BH |
638 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: |
639 | /*only one EndDependentFn is allowed */ | |
640 | if (!parse_data->option_independent) { | |
641 | pnp_warn("PnPACPI: more than one EndDependentFn"); | |
642 | return AE_ERROR; | |
643 | } | |
644 | parse_data->option = parse_data->option_independent; | |
645 | parse_data->option_independent = NULL; | |
646 | break; | |
0af5853b | 647 | |
9dd78466 BH |
648 | case ACPI_RESOURCE_TYPE_IO: |
649 | pnpacpi_parse_port_option(option, &res->data.io); | |
650 | break; | |
0af5853b | 651 | |
9dd78466 BH |
652 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
653 | pnpacpi_parse_fixed_port_option(option, &res->data.fixed_io); | |
654 | break; | |
0af5853b | 655 | |
9dd78466 BH |
656 | case ACPI_RESOURCE_TYPE_VENDOR: |
657 | case ACPI_RESOURCE_TYPE_END_TAG: | |
658 | break; | |
0af5853b | 659 | |
9dd78466 BH |
660 | case ACPI_RESOURCE_TYPE_MEMORY24: |
661 | pnpacpi_parse_mem24_option(option, &res->data.memory24); | |
662 | break; | |
0af5853b | 663 | |
9dd78466 BH |
664 | case ACPI_RESOURCE_TYPE_MEMORY32: |
665 | pnpacpi_parse_mem32_option(option, &res->data.memory32); | |
666 | break; | |
0af5853b | 667 | |
9dd78466 BH |
668 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
669 | pnpacpi_parse_fixed_mem32_option(option, | |
670 | &res->data.fixed_memory32); | |
671 | break; | |
0af5853b | 672 | |
9dd78466 BH |
673 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
674 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
675 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
676 | pnpacpi_parse_address_option(option, res); | |
677 | break; | |
0af5853b | 678 | |
9dd78466 BH |
679 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: |
680 | break; | |
681 | ||
682 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: | |
683 | pnpacpi_parse_ext_irq_option(option, &res->data.extended_irq); | |
684 | break; | |
685 | ||
686 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: | |
687 | break; | |
688 | ||
689 | default: | |
690 | pnp_warn("PnPACPI: unknown resource type %d", res->type); | |
691 | return AE_ERROR; | |
1da177e4 | 692 | } |
1c6e7d0a | 693 | |
1da177e4 LT |
694 | return AE_OK; |
695 | } | |
696 | ||
50eca3eb | 697 | acpi_status pnpacpi_parse_resource_option_data(acpi_handle handle, |
9dd78466 | 698 | struct pnp_dev * dev) |
1da177e4 LT |
699 | { |
700 | acpi_status status; | |
701 | struct acpipnp_parse_option_s parse_data; | |
702 | ||
703 | parse_data.option = pnp_register_independent_option(dev); | |
704 | if (!parse_data.option) | |
705 | return AE_ERROR; | |
b008b8d7 | 706 | parse_data.option_independent = parse_data.option; |
1da177e4 | 707 | parse_data.dev = dev; |
50eca3eb | 708 | status = acpi_walk_resources(handle, METHOD_NAME__PRS, |
9dd78466 | 709 | pnpacpi_option_resource, &parse_data); |
1da177e4 LT |
710 | |
711 | return status; | |
712 | } | |
713 | ||
b5f2490b | 714 | static int pnpacpi_supported_resource(struct acpi_resource *res) |
1da177e4 | 715 | { |
eca008c8 | 716 | switch (res->type) { |
50eca3eb | 717 | case ACPI_RESOURCE_TYPE_IRQ: |
50eca3eb BM |
718 | case ACPI_RESOURCE_TYPE_DMA: |
719 | case ACPI_RESOURCE_TYPE_IO: | |
720 | case ACPI_RESOURCE_TYPE_FIXED_IO: | |
721 | case ACPI_RESOURCE_TYPE_MEMORY24: | |
722 | case ACPI_RESOURCE_TYPE_MEMORY32: | |
723 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: | |
50eca3eb BM |
724 | case ACPI_RESOURCE_TYPE_ADDRESS16: |
725 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
726 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
0af5853b | 727 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: |
b5f2490b | 728 | return 1; |
1da177e4 | 729 | } |
b5f2490b BH |
730 | return 0; |
731 | } | |
732 | ||
733 | /* | |
734 | * Set resource | |
735 | */ | |
736 | static acpi_status pnpacpi_count_resources(struct acpi_resource *res, | |
9dd78466 | 737 | void *data) |
b5f2490b | 738 | { |
4721a4cc | 739 | int *res_cnt = data; |
b5f2490b BH |
740 | |
741 | if (pnpacpi_supported_resource(res)) | |
742 | (*res_cnt)++; | |
1da177e4 LT |
743 | return AE_OK; |
744 | } | |
745 | ||
1c6e7d0a | 746 | static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data) |
1da177e4 | 747 | { |
4721a4cc | 748 | struct acpi_resource **resource = data; |
b5f2490b BH |
749 | |
750 | if (pnpacpi_supported_resource(res)) { | |
eca008c8 | 751 | (*resource)->type = res->type; |
b5f2490b | 752 | (*resource)->length = sizeof(struct acpi_resource); |
1da177e4 | 753 | (*resource)++; |
1da177e4 LT |
754 | } |
755 | ||
756 | return AE_OK; | |
757 | } | |
758 | ||
50eca3eb | 759 | int pnpacpi_build_resource_template(acpi_handle handle, |
9dd78466 | 760 | struct acpi_buffer *buffer) |
1da177e4 LT |
761 | { |
762 | struct acpi_resource *resource; | |
763 | int res_cnt = 0; | |
764 | acpi_status status; | |
765 | ||
50eca3eb | 766 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
9dd78466 | 767 | pnpacpi_count_resources, &res_cnt); |
1da177e4 LT |
768 | if (ACPI_FAILURE(status)) { |
769 | pnp_err("Evaluate _CRS failed"); | |
770 | return -EINVAL; | |
771 | } | |
772 | if (!res_cnt) | |
773 | return -EINVAL; | |
774 | buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1; | |
cd861280 | 775 | buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL); |
1da177e4 LT |
776 | if (!buffer->pointer) |
777 | return -ENOMEM; | |
778 | pnp_dbg("Res cnt %d", res_cnt); | |
779 | resource = (struct acpi_resource *)buffer->pointer; | |
50eca3eb | 780 | status = acpi_walk_resources(handle, METHOD_NAME__CRS, |
9dd78466 | 781 | pnpacpi_type_resources, &resource); |
1da177e4 LT |
782 | if (ACPI_FAILURE(status)) { |
783 | kfree(buffer->pointer); | |
784 | pnp_err("Evaluate _CRS failed"); | |
785 | return -EINVAL; | |
786 | } | |
787 | /* resource will pointer the end resource now */ | |
50eca3eb | 788 | resource->type = ACPI_RESOURCE_TYPE_END_TAG; |
1da177e4 LT |
789 | |
790 | return 0; | |
791 | } | |
792 | ||
50eca3eb | 793 | static void pnpacpi_encode_irq(struct acpi_resource *resource, |
9dd78466 | 794 | struct resource *p) |
1da177e4 | 795 | { |
50eca3eb | 796 | int triggering, polarity; |
1c6e7d0a BH |
797 | |
798 | decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity); | |
50eca3eb BM |
799 | resource->data.irq.triggering = triggering; |
800 | resource->data.irq.polarity = polarity; | |
801 | if (triggering == ACPI_EDGE_SENSITIVE) | |
802 | resource->data.irq.sharable = ACPI_EXCLUSIVE; | |
1da177e4 | 803 | else |
50eca3eb BM |
804 | resource->data.irq.sharable = ACPI_SHARED; |
805 | resource->data.irq.interrupt_count = 1; | |
1da177e4 LT |
806 | resource->data.irq.interrupts[0] = p->start; |
807 | } | |
808 | ||
809 | static void pnpacpi_encode_ext_irq(struct acpi_resource *resource, | |
9dd78466 | 810 | struct resource *p) |
1da177e4 | 811 | { |
50eca3eb | 812 | int triggering, polarity; |
1c6e7d0a BH |
813 | |
814 | decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity); | |
1da177e4 | 815 | resource->data.extended_irq.producer_consumer = ACPI_CONSUMER; |
50eca3eb BM |
816 | resource->data.extended_irq.triggering = triggering; |
817 | resource->data.extended_irq.polarity = polarity; | |
818 | if (triggering == ACPI_EDGE_SENSITIVE) | |
819 | resource->data.irq.sharable = ACPI_EXCLUSIVE; | |
1da177e4 | 820 | else |
50eca3eb BM |
821 | resource->data.irq.sharable = ACPI_SHARED; |
822 | resource->data.extended_irq.interrupt_count = 1; | |
1da177e4 LT |
823 | resource->data.extended_irq.interrupts[0] = p->start; |
824 | } | |
825 | ||
826 | static void pnpacpi_encode_dma(struct acpi_resource *resource, | |
9dd78466 | 827 | struct resource *p) |
1da177e4 | 828 | { |
1da177e4 | 829 | /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */ |
ccc4c7bb | 830 | switch (p->flags & IORESOURCE_DMA_SPEED_MASK) { |
9dd78466 BH |
831 | case IORESOURCE_DMA_TYPEA: |
832 | resource->data.dma.type = ACPI_TYPE_A; | |
833 | break; | |
834 | case IORESOURCE_DMA_TYPEB: | |
835 | resource->data.dma.type = ACPI_TYPE_B; | |
836 | break; | |
837 | case IORESOURCE_DMA_TYPEF: | |
838 | resource->data.dma.type = ACPI_TYPE_F; | |
839 | break; | |
840 | default: | |
841 | resource->data.dma.type = ACPI_COMPATIBILITY; | |
ccc4c7bb VP |
842 | } |
843 | ||
844 | switch (p->flags & IORESOURCE_DMA_TYPE_MASK) { | |
9dd78466 BH |
845 | case IORESOURCE_DMA_8BIT: |
846 | resource->data.dma.transfer = ACPI_TRANSFER_8; | |
847 | break; | |
848 | case IORESOURCE_DMA_8AND16BIT: | |
849 | resource->data.dma.transfer = ACPI_TRANSFER_8_16; | |
850 | break; | |
851 | default: | |
852 | resource->data.dma.transfer = ACPI_TRANSFER_16; | |
ccc4c7bb VP |
853 | } |
854 | ||
855 | resource->data.dma.bus_master = !!(p->flags & IORESOURCE_DMA_MASTER); | |
50eca3eb | 856 | resource->data.dma.channel_count = 1; |
1da177e4 LT |
857 | resource->data.dma.channels[0] = p->start; |
858 | } | |
859 | ||
860 | static void pnpacpi_encode_io(struct acpi_resource *resource, | |
9dd78466 | 861 | struct resource *p) |
1da177e4 | 862 | { |
1da177e4 | 863 | /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */ |
9dd78466 BH |
864 | resource->data.io.io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR) ? |
865 | ACPI_DECODE_16 : ACPI_DECODE_10; | |
50eca3eb BM |
866 | resource->data.io.minimum = p->start; |
867 | resource->data.io.maximum = p->end; | |
9dd78466 | 868 | resource->data.io.alignment = 0; /* Correct? */ |
50eca3eb | 869 | resource->data.io.address_length = p->end - p->start + 1; |
1da177e4 LT |
870 | } |
871 | ||
872 | static void pnpacpi_encode_fixed_io(struct acpi_resource *resource, | |
9dd78466 | 873 | struct resource *p) |
1da177e4 | 874 | { |
50eca3eb BM |
875 | resource->data.fixed_io.address = p->start; |
876 | resource->data.fixed_io.address_length = p->end - p->start + 1; | |
1da177e4 LT |
877 | } |
878 | ||
879 | static void pnpacpi_encode_mem24(struct acpi_resource *resource, | |
9dd78466 | 880 | struct resource *p) |
1da177e4 | 881 | { |
1da177e4 | 882 | /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */ |
0897831b | 883 | resource->data.memory24.write_protect = |
9dd78466 BH |
884 | (p->flags & IORESOURCE_MEM_WRITEABLE) ? |
885 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
50eca3eb BM |
886 | resource->data.memory24.minimum = p->start; |
887 | resource->data.memory24.maximum = p->end; | |
1da177e4 | 888 | resource->data.memory24.alignment = 0; |
50eca3eb | 889 | resource->data.memory24.address_length = p->end - p->start + 1; |
1da177e4 LT |
890 | } |
891 | ||
892 | static void pnpacpi_encode_mem32(struct acpi_resource *resource, | |
9dd78466 | 893 | struct resource *p) |
1da177e4 | 894 | { |
0897831b | 895 | resource->data.memory32.write_protect = |
9dd78466 BH |
896 | (p->flags & IORESOURCE_MEM_WRITEABLE) ? |
897 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
50eca3eb BM |
898 | resource->data.memory32.minimum = p->start; |
899 | resource->data.memory32.maximum = p->end; | |
1da177e4 | 900 | resource->data.memory32.alignment = 0; |
50eca3eb | 901 | resource->data.memory32.address_length = p->end - p->start + 1; |
1da177e4 LT |
902 | } |
903 | ||
904 | static void pnpacpi_encode_fixed_mem32(struct acpi_resource *resource, | |
9dd78466 | 905 | struct resource *p) |
1da177e4 | 906 | { |
0897831b | 907 | resource->data.fixed_memory32.write_protect = |
9dd78466 BH |
908 | (p->flags & IORESOURCE_MEM_WRITEABLE) ? |
909 | ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; | |
50eca3eb BM |
910 | resource->data.fixed_memory32.address = p->start; |
911 | resource->data.fixed_memory32.address_length = p->end - p->start + 1; | |
1da177e4 LT |
912 | } |
913 | ||
50eca3eb | 914 | int pnpacpi_encode_resources(struct pnp_resource_table *res_table, |
9dd78466 | 915 | struct acpi_buffer *buffer) |
1da177e4 LT |
916 | { |
917 | int i = 0; | |
918 | /* pnpacpi_build_resource_template allocates extra mem */ | |
9dd78466 | 919 | int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1; |
4721a4cc | 920 | struct acpi_resource *resource = buffer->pointer; |
1da177e4 LT |
921 | int port = 0, irq = 0, dma = 0, mem = 0; |
922 | ||
923 | pnp_dbg("res cnt %d", res_cnt); | |
924 | while (i < res_cnt) { | |
9dd78466 | 925 | switch (resource->type) { |
50eca3eb | 926 | case ACPI_RESOURCE_TYPE_IRQ: |
1da177e4 | 927 | pnp_dbg("Encode irq"); |
50eca3eb | 928 | pnpacpi_encode_irq(resource, |
9dd78466 | 929 | &res_table->irq_resource[irq]); |
1da177e4 LT |
930 | irq++; |
931 | break; | |
932 | ||
50eca3eb | 933 | case ACPI_RESOURCE_TYPE_DMA: |
1da177e4 | 934 | pnp_dbg("Encode dma"); |
50eca3eb | 935 | pnpacpi_encode_dma(resource, |
9dd78466 | 936 | &res_table->dma_resource[dma]); |
1c6e7d0a | 937 | dma++; |
1da177e4 | 938 | break; |
50eca3eb | 939 | case ACPI_RESOURCE_TYPE_IO: |
1da177e4 | 940 | pnp_dbg("Encode io"); |
50eca3eb | 941 | pnpacpi_encode_io(resource, |
9dd78466 | 942 | &res_table->port_resource[port]); |
1c6e7d0a | 943 | port++; |
1da177e4 | 944 | break; |
50eca3eb | 945 | case ACPI_RESOURCE_TYPE_FIXED_IO: |
1da177e4 LT |
946 | pnp_dbg("Encode fixed io"); |
947 | pnpacpi_encode_fixed_io(resource, | |
9dd78466 BH |
948 | &res_table-> |
949 | port_resource[port]); | |
1c6e7d0a | 950 | port++; |
1da177e4 | 951 | break; |
50eca3eb | 952 | case ACPI_RESOURCE_TYPE_MEMORY24: |
1da177e4 LT |
953 | pnp_dbg("Encode mem24"); |
954 | pnpacpi_encode_mem24(resource, | |
9dd78466 | 955 | &res_table->mem_resource[mem]); |
1c6e7d0a | 956 | mem++; |
1da177e4 | 957 | break; |
50eca3eb | 958 | case ACPI_RESOURCE_TYPE_MEMORY32: |
1da177e4 LT |
959 | pnp_dbg("Encode mem32"); |
960 | pnpacpi_encode_mem32(resource, | |
9dd78466 | 961 | &res_table->mem_resource[mem]); |
1c6e7d0a | 962 | mem++; |
1da177e4 | 963 | break; |
50eca3eb | 964 | case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: |
1da177e4 LT |
965 | pnp_dbg("Encode fixed mem32"); |
966 | pnpacpi_encode_fixed_mem32(resource, | |
9dd78466 BH |
967 | &res_table-> |
968 | mem_resource[mem]); | |
1c6e7d0a | 969 | mem++; |
1da177e4 | 970 | break; |
0af5853b LB |
971 | case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: |
972 | pnp_dbg("Encode ext irq"); | |
973 | pnpacpi_encode_ext_irq(resource, | |
9dd78466 | 974 | &res_table->irq_resource[irq]); |
0af5853b LB |
975 | irq++; |
976 | break; | |
977 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: | |
978 | case ACPI_RESOURCE_TYPE_END_DEPENDENT: | |
979 | case ACPI_RESOURCE_TYPE_VENDOR: | |
980 | case ACPI_RESOURCE_TYPE_END_TAG: | |
981 | case ACPI_RESOURCE_TYPE_ADDRESS16: | |
982 | case ACPI_RESOURCE_TYPE_ADDRESS32: | |
983 | case ACPI_RESOURCE_TYPE_ADDRESS64: | |
984 | case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: | |
985 | case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: | |
9dd78466 | 986 | default: /* other type */ |
eca008c8 | 987 | pnp_warn("unknown resource type %d", resource->type); |
1da177e4 LT |
988 | return -EINVAL; |
989 | } | |
1c6e7d0a BH |
990 | resource++; |
991 | i++; | |
1da177e4 LT |
992 | } |
993 | return 0; | |
994 | } |