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Commit | Line | Data |
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5b435de0 AS |
1 | /* |
2 | * Copyright (c) 2010 Broadcom Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
02f77195 | 16 | |
5b435de0 AS |
17 | #include <linux/types.h> |
18 | #include <linux/netdevice.h> | |
19 | #include <linux/mmc/sdio.h> | |
20 | #include <linux/mmc/core.h> | |
21 | #include <linux/mmc/sdio_func.h> | |
22 | #include <linux/mmc/sdio_ids.h> | |
23 | #include <linux/mmc/card.h> | |
24 | #include <linux/suspend.h> | |
25 | #include <linux/errno.h> | |
26 | #include <linux/sched.h> /* request_irq() */ | |
b7a57e76 | 27 | #include <linux/module.h> |
ba89bf19 | 28 | #include <linux/platform_device.h> |
5b435de0 AS |
29 | #include <net/cfg80211.h> |
30 | ||
31 | #include <defs.h> | |
32 | #include <brcm_hw_ids.h> | |
33 | #include <brcmu_utils.h> | |
34 | #include <brcmu_wifi.h> | |
35 | #include "sdio_host.h" | |
5b435de0 | 36 | #include "dhd_dbg.h" |
a8a363ac | 37 | #include "dhd_bus.h" |
5b435de0 AS |
38 | |
39 | #define SDIO_VENDOR_ID_BROADCOM 0x02d0 | |
40 | ||
41 | #define DMA_ALIGN_MASK 0x03 | |
42 | ||
4a1c02ce | 43 | #define SDIO_DEVICE_ID_BROADCOM_43241 0x4324 |
5b435de0 | 44 | #define SDIO_DEVICE_ID_BROADCOM_4329 0x4329 |
ce2d7d7e | 45 | #define SDIO_DEVICE_ID_BROADCOM_4330 0x4330 |
85a4a1c3 | 46 | #define SDIO_DEVICE_ID_BROADCOM_4334 0x4334 |
5b435de0 AS |
47 | |
48 | #define SDIO_FUNC1_BLOCKSIZE 64 | |
49 | #define SDIO_FUNC2_BLOCKSIZE 512 | |
50 | ||
51 | /* devices we support, null terminated */ | |
52 | static const struct sdio_device_id brcmf_sdmmc_ids[] = { | |
4a1c02ce | 53 | {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43241)}, |
5b435de0 | 54 | {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)}, |
ce2d7d7e | 55 | {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4330)}, |
85a4a1c3 | 56 | {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4334)}, |
5b435de0 AS |
57 | { /* end: all zeroes */ }, |
58 | }; | |
59 | MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids); | |
60 | ||
ba89bf19 FL |
61 | #ifdef CONFIG_BRCMFMAC_SDIO_OOB |
62 | static struct list_head oobirq_lh; | |
63 | struct brcmf_sdio_oobirq { | |
64 | unsigned int irq; | |
65 | unsigned long flags; | |
66 | struct list_head list; | |
67 | }; | |
68 | #endif /* CONFIG_BRCMFMAC_SDIO_OOB */ | |
69 | ||
5b435de0 AS |
70 | static bool |
71 | brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev) | |
72 | { | |
73 | bool is_err = false; | |
74 | #ifdef CONFIG_PM_SLEEP | |
75 | is_err = atomic_read(&sdiodev->suspend); | |
76 | #endif | |
77 | return is_err; | |
78 | } | |
79 | ||
80 | static void | |
81 | brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev, wait_queue_head_t *wq) | |
82 | { | |
83 | #ifdef CONFIG_PM_SLEEP | |
84 | int retry = 0; | |
85 | while (atomic_read(&sdiodev->suspend) && retry++ != 30) | |
86 | wait_event_timeout(*wq, false, HZ/100); | |
87 | #endif | |
88 | } | |
89 | ||
90 | static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev, | |
91 | uint regaddr, u8 *byte) | |
92 | { | |
93 | struct sdio_func *sdfunc = sdiodev->func[0]; | |
94 | int err_ret; | |
95 | ||
96 | /* | |
97 | * Can only directly write to some F0 registers. | |
98 | * Handle F2 enable/disable and Abort command | |
99 | * as a special case. | |
100 | */ | |
101 | if (regaddr == SDIO_CCCR_IOEx) { | |
102 | sdfunc = sdiodev->func[2]; | |
103 | if (sdfunc) { | |
5b435de0 AS |
104 | if (*byte & SDIO_FUNC_ENABLE_2) { |
105 | /* Enable Function 2 */ | |
106 | err_ret = sdio_enable_func(sdfunc); | |
107 | if (err_ret) | |
5e8149f5 | 108 | brcmf_err("enable F2 failed:%d\n", |
5b435de0 AS |
109 | err_ret); |
110 | } else { | |
111 | /* Disable Function 2 */ | |
112 | err_ret = sdio_disable_func(sdfunc); | |
113 | if (err_ret) | |
5e8149f5 | 114 | brcmf_err("Disable F2 failed:%d\n", |
5b435de0 AS |
115 | err_ret); |
116 | } | |
5b435de0 | 117 | } |
ba89bf19 FL |
118 | } else if ((regaddr == SDIO_CCCR_ABORT) || |
119 | (regaddr == SDIO_CCCR_IENx)) { | |
1cc26990 FL |
120 | sdfunc = kmemdup(sdiodev->func[0], sizeof(struct sdio_func), |
121 | GFP_KERNEL); | |
122 | if (!sdfunc) | |
123 | return -ENOMEM; | |
124 | sdfunc->num = 0; | |
5b435de0 | 125 | sdio_writeb(sdfunc, *byte, regaddr, &err_ret); |
1cc26990 | 126 | kfree(sdfunc); |
5b435de0 | 127 | } else if (regaddr < 0xF0) { |
5e8149f5 | 128 | brcmf_err("F0 Wr:0x%02x: write disallowed\n", regaddr); |
5b435de0 AS |
129 | err_ret = -EPERM; |
130 | } else { | |
5b435de0 | 131 | sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret); |
5b435de0 AS |
132 | } |
133 | ||
134 | return err_ret; | |
135 | } | |
136 | ||
137 | int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func, | |
138 | uint regaddr, u8 *byte) | |
139 | { | |
140 | int err_ret; | |
141 | ||
c3203374 | 142 | brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x\n", rw, func, regaddr); |
5b435de0 AS |
143 | |
144 | brcmf_pm_resume_wait(sdiodev, &sdiodev->request_byte_wait); | |
145 | if (brcmf_pm_resume_error(sdiodev)) | |
146 | return -EIO; | |
147 | ||
148 | if (rw && func == 0) { | |
149 | /* handle F0 separately */ | |
150 | err_ret = brcmf_sdioh_f0_write_byte(sdiodev, regaddr, byte); | |
151 | } else { | |
5b435de0 AS |
152 | if (rw) /* CMD52 Write */ |
153 | sdio_writeb(sdiodev->func[func], *byte, regaddr, | |
154 | &err_ret); | |
155 | else if (func == 0) { | |
156 | *byte = sdio_f0_readb(sdiodev->func[func], regaddr, | |
157 | &err_ret); | |
158 | } else { | |
159 | *byte = sdio_readb(sdiodev->func[func], regaddr, | |
160 | &err_ret); | |
161 | } | |
5b435de0 AS |
162 | } |
163 | ||
164 | if (err_ret) | |
5e8149f5 | 165 | brcmf_err("Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n", |
5b435de0 AS |
166 | rw ? "write" : "read", func, regaddr, *byte, err_ret); |
167 | ||
168 | return err_ret; | |
169 | } | |
170 | ||
171 | int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev, | |
172 | uint rw, uint func, uint addr, u32 *word, | |
173 | uint nbytes) | |
174 | { | |
175 | int err_ret = -EIO; | |
176 | ||
177 | if (func == 0) { | |
5e8149f5 | 178 | brcmf_err("Only CMD52 allowed to F0\n"); |
5b435de0 AS |
179 | return -EINVAL; |
180 | } | |
181 | ||
c3203374 | 182 | brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n", |
5b435de0 AS |
183 | rw, func, addr, nbytes); |
184 | ||
185 | brcmf_pm_resume_wait(sdiodev, &sdiodev->request_word_wait); | |
186 | if (brcmf_pm_resume_error(sdiodev)) | |
187 | return -EIO; | |
5b435de0 AS |
188 | |
189 | if (rw) { /* CMD52 Write */ | |
190 | if (nbytes == 4) | |
191 | sdio_writel(sdiodev->func[func], *word, addr, | |
192 | &err_ret); | |
193 | else if (nbytes == 2) | |
194 | sdio_writew(sdiodev->func[func], (*word & 0xFFFF), | |
195 | addr, &err_ret); | |
196 | else | |
5e8149f5 | 197 | brcmf_err("Invalid nbytes: %d\n", nbytes); |
5b435de0 AS |
198 | } else { /* CMD52 Read */ |
199 | if (nbytes == 4) | |
200 | *word = sdio_readl(sdiodev->func[func], addr, &err_ret); | |
201 | else if (nbytes == 2) | |
202 | *word = sdio_readw(sdiodev->func[func], addr, | |
203 | &err_ret) & 0xFFFF; | |
204 | else | |
5e8149f5 | 205 | brcmf_err("Invalid nbytes: %d\n", nbytes); |
5b435de0 AS |
206 | } |
207 | ||
5b435de0 | 208 | if (err_ret) |
5e8149f5 | 209 | brcmf_err("Failed to %s word, Err: 0x%08x\n", |
5b435de0 AS |
210 | rw ? "write" : "read", err_ret); |
211 | ||
212 | return err_ret; | |
213 | } | |
214 | ||
5adfeb63 AS |
215 | /* precondition: host controller is claimed */ |
216 | static int | |
217 | brcmf_sdioh_request_data(struct brcmf_sdio_dev *sdiodev, uint write, bool fifo, | |
218 | uint func, uint addr, struct sk_buff *pkt, uint pktlen) | |
219 | { | |
220 | int err_ret = 0; | |
221 | ||
222 | if ((write) && (!fifo)) { | |
223 | err_ret = sdio_memcpy_toio(sdiodev->func[func], addr, | |
224 | ((u8 *) (pkt->data)), pktlen); | |
225 | } else if (write) { | |
226 | err_ret = sdio_memcpy_toio(sdiodev->func[func], addr, | |
227 | ((u8 *) (pkt->data)), pktlen); | |
228 | } else if (fifo) { | |
229 | err_ret = sdio_readsb(sdiodev->func[func], | |
230 | ((u8 *) (pkt->data)), addr, pktlen); | |
231 | } else { | |
232 | err_ret = sdio_memcpy_fromio(sdiodev->func[func], | |
233 | ((u8 *) (pkt->data)), | |
234 | addr, pktlen); | |
235 | } | |
236 | ||
237 | return err_ret; | |
238 | } | |
239 | ||
a52dd17d AS |
240 | /* |
241 | * This function takes a queue of packets. The packets on the queue | |
242 | * are assumed to be properly aligned by the caller. | |
243 | */ | |
5adfeb63 AS |
244 | int |
245 | brcmf_sdioh_request_chain(struct brcmf_sdio_dev *sdiodev, uint fix_inc, | |
246 | uint write, uint func, uint addr, | |
247 | struct sk_buff_head *pktq) | |
5b435de0 AS |
248 | { |
249 | bool fifo = (fix_inc == SDIOH_DATA_FIX); | |
250 | u32 SGCount = 0; | |
251 | int err_ret = 0; | |
252 | ||
5adfeb63 | 253 | struct sk_buff *pkt; |
5b435de0 | 254 | |
c3203374 | 255 | brcmf_dbg(SDIO, "Enter\n"); |
5b435de0 | 256 | |
a52dd17d | 257 | brcmf_pm_resume_wait(sdiodev, &sdiodev->request_chain_wait); |
5b435de0 AS |
258 | if (brcmf_pm_resume_error(sdiodev)) |
259 | return -EIO; | |
260 | ||
5adfeb63 AS |
261 | skb_queue_walk(pktq, pkt) { |
262 | uint pkt_len = pkt->len; | |
5b435de0 AS |
263 | pkt_len += 3; |
264 | pkt_len &= 0xFFFFFFFC; | |
265 | ||
5adfeb63 AS |
266 | err_ret = brcmf_sdioh_request_data(sdiodev, write, fifo, func, |
267 | addr, pkt, pkt_len); | |
5b435de0 | 268 | if (err_ret) { |
5e8149f5 | 269 | brcmf_err("%s FAILED %p[%d], addr=0x%05x, pkt_len=%d, ERR=0x%08x\n", |
5adfeb63 | 270 | write ? "TX" : "RX", pkt, SGCount, addr, |
5b435de0 AS |
271 | pkt_len, err_ret); |
272 | } else { | |
c3203374 | 273 | brcmf_dbg(SDIO, "%s xfr'd %p[%d], addr=0x%05x, len=%d\n", |
5adfeb63 | 274 | write ? "TX" : "RX", pkt, SGCount, addr, |
5b435de0 AS |
275 | pkt_len); |
276 | } | |
5b435de0 AS |
277 | if (!fifo) |
278 | addr += pkt_len; | |
5b435de0 | 279 | |
5adfeb63 | 280 | SGCount++; |
5b435de0 AS |
281 | } |
282 | ||
c3203374 | 283 | brcmf_dbg(SDIO, "Exit\n"); |
5b435de0 AS |
284 | return err_ret; |
285 | } | |
286 | ||
287 | /* | |
8054321b | 288 | * This function takes a single DMA-able packet. |
5b435de0 AS |
289 | */ |
290 | int brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev, | |
291 | uint fix_inc, uint write, uint func, uint addr, | |
4c6e869d | 292 | struct sk_buff *pkt) |
5b435de0 | 293 | { |
4c6e869d | 294 | int status; |
2315992c | 295 | uint pkt_len; |
8054321b | 296 | bool fifo = (fix_inc == SDIOH_DATA_FIX); |
5b435de0 | 297 | |
c3203374 | 298 | brcmf_dbg(SDIO, "Enter\n"); |
5b435de0 | 299 | |
4c6e869d AS |
300 | if (pkt == NULL) |
301 | return -EINVAL; | |
2315992c | 302 | pkt_len = pkt->len; |
4c6e869d | 303 | |
5b435de0 AS |
304 | brcmf_pm_resume_wait(sdiodev, &sdiodev->request_buffer_wait); |
305 | if (brcmf_pm_resume_error(sdiodev)) | |
306 | return -EIO; | |
5b435de0 | 307 | |
8054321b AS |
308 | pkt_len += 3; |
309 | pkt_len &= (uint)~3; | |
5b435de0 | 310 | |
8054321b AS |
311 | status = brcmf_sdioh_request_data(sdiodev, write, fifo, func, |
312 | addr, pkt, pkt_len); | |
313 | if (status) { | |
5e8149f5 | 314 | brcmf_err("%s FAILED %p, addr=0x%05x, pkt_len=%d, ERR=0x%08x\n", |
8054321b AS |
315 | write ? "TX" : "RX", pkt, addr, pkt_len, status); |
316 | } else { | |
c3203374 | 317 | brcmf_dbg(SDIO, "%s xfr'd %p, addr=0x%05x, len=%d\n", |
8054321b | 318 | write ? "TX" : "RX", pkt, addr, pkt_len); |
5b435de0 AS |
319 | } |
320 | ||
4c6e869d | 321 | return status; |
5b435de0 AS |
322 | } |
323 | ||
5b435de0 AS |
324 | static int brcmf_sdioh_get_cisaddr(struct brcmf_sdio_dev *sdiodev, u32 regaddr) |
325 | { | |
326 | /* read 24 bits and return valid 17 bit addr */ | |
d8b3fc59 | 327 | int i, ret; |
5b435de0 AS |
328 | u32 scratch, regdata; |
329 | __le32 scratch_le; | |
330 | u8 *ptr = (u8 *)&scratch_le; | |
331 | ||
332 | for (i = 0; i < 3; i++) { | |
d8b3fc59 FL |
333 | regdata = brcmf_sdio_regrl(sdiodev, regaddr, &ret); |
334 | if (ret != 0) | |
5e8149f5 | 335 | brcmf_err("Can't read!\n"); |
5b435de0 AS |
336 | |
337 | *ptr++ = (u8) regdata; | |
338 | regaddr++; | |
339 | } | |
340 | ||
341 | /* Only the lower 17-bits are valid */ | |
342 | scratch = le32_to_cpu(scratch_le); | |
343 | scratch &= 0x0001FFFF; | |
344 | return scratch; | |
345 | } | |
346 | ||
347 | static int brcmf_sdioh_enablefuncs(struct brcmf_sdio_dev *sdiodev) | |
348 | { | |
349 | int err_ret; | |
350 | u32 fbraddr; | |
351 | u8 func; | |
352 | ||
c3203374 | 353 | brcmf_dbg(SDIO, "\n"); |
5b435de0 AS |
354 | |
355 | /* Get the Card's common CIS address */ | |
356 | sdiodev->func_cis_ptr[0] = brcmf_sdioh_get_cisaddr(sdiodev, | |
357 | SDIO_CCCR_CIS); | |
c3203374 | 358 | brcmf_dbg(SDIO, "Card's Common CIS Ptr = 0x%x\n", |
5b435de0 AS |
359 | sdiodev->func_cis_ptr[0]); |
360 | ||
361 | /* Get the Card's function CIS (for each function) */ | |
362 | for (fbraddr = SDIO_FBR_BASE(1), func = 1; | |
363 | func <= sdiodev->num_funcs; func++, fbraddr += SDIOD_FBR_SIZE) { | |
364 | sdiodev->func_cis_ptr[func] = | |
365 | brcmf_sdioh_get_cisaddr(sdiodev, SDIO_FBR_CIS + fbraddr); | |
c3203374 | 366 | brcmf_dbg(SDIO, "Function %d CIS Ptr = 0x%x\n", |
5b435de0 AS |
367 | func, sdiodev->func_cis_ptr[func]); |
368 | } | |
369 | ||
370 | /* Enable Function 1 */ | |
5b435de0 | 371 | err_ret = sdio_enable_func(sdiodev->func[1]); |
5b435de0 | 372 | if (err_ret) |
5e8149f5 | 373 | brcmf_err("Failed to enable F1 Err: 0x%08x\n", err_ret); |
5b435de0 AS |
374 | |
375 | return false; | |
376 | } | |
377 | ||
378 | /* | |
379 | * Public entry points & extern's | |
380 | */ | |
381 | int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev) | |
382 | { | |
383 | int err_ret = 0; | |
384 | ||
c3203374 | 385 | brcmf_dbg(SDIO, "\n"); |
5b435de0 AS |
386 | |
387 | sdiodev->num_funcs = 2; | |
388 | ||
389 | sdio_claim_host(sdiodev->func[1]); | |
38b0b0dd | 390 | |
5b435de0 | 391 | err_ret = sdio_set_block_size(sdiodev->func[1], SDIO_FUNC1_BLOCKSIZE); |
5b435de0 | 392 | if (err_ret) { |
5e8149f5 | 393 | brcmf_err("Failed to set F1 blocksize\n"); |
5b435de0 AS |
394 | goto out; |
395 | } | |
396 | ||
5b435de0 | 397 | err_ret = sdio_set_block_size(sdiodev->func[2], SDIO_FUNC2_BLOCKSIZE); |
5b435de0 | 398 | if (err_ret) { |
5e8149f5 | 399 | brcmf_err("Failed to set F2 blocksize\n"); |
5b435de0 AS |
400 | goto out; |
401 | } | |
402 | ||
403 | brcmf_sdioh_enablefuncs(sdiodev); | |
404 | ||
405 | out: | |
38b0b0dd | 406 | sdio_release_host(sdiodev->func[1]); |
c3203374 | 407 | brcmf_dbg(SDIO, "Done\n"); |
5b435de0 AS |
408 | return err_ret; |
409 | } | |
410 | ||
411 | void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev) | |
412 | { | |
c3203374 | 413 | brcmf_dbg(SDIO, "\n"); |
5b435de0 AS |
414 | |
415 | /* Disable Function 2 */ | |
416 | sdio_claim_host(sdiodev->func[2]); | |
417 | sdio_disable_func(sdiodev->func[2]); | |
418 | sdio_release_host(sdiodev->func[2]); | |
419 | ||
420 | /* Disable Function 1 */ | |
421 | sdio_claim_host(sdiodev->func[1]); | |
422 | sdio_disable_func(sdiodev->func[1]); | |
423 | sdio_release_host(sdiodev->func[1]); | |
424 | ||
425 | } | |
426 | ||
ba89bf19 FL |
427 | #ifdef CONFIG_BRCMFMAC_SDIO_OOB |
428 | static int brcmf_sdio_getintrcfg(struct brcmf_sdio_dev *sdiodev) | |
429 | { | |
430 | struct brcmf_sdio_oobirq *oobirq_entry; | |
431 | ||
432 | if (list_empty(&oobirq_lh)) { | |
5e8149f5 | 433 | brcmf_err("no valid oob irq resource\n"); |
ba89bf19 FL |
434 | return -ENXIO; |
435 | } | |
436 | ||
437 | oobirq_entry = list_first_entry(&oobirq_lh, struct brcmf_sdio_oobirq, | |
438 | list); | |
439 | ||
440 | sdiodev->irq = oobirq_entry->irq; | |
441 | sdiodev->irq_flags = oobirq_entry->flags; | |
442 | list_del(&oobirq_entry->list); | |
443 | kfree(oobirq_entry); | |
444 | ||
445 | return 0; | |
446 | } | |
447 | #else | |
448 | static inline int brcmf_sdio_getintrcfg(struct brcmf_sdio_dev *sdiodev) | |
449 | { | |
450 | return 0; | |
451 | } | |
452 | #endif /* CONFIG_BRCMFMAC_SDIO_OOB */ | |
453 | ||
5b435de0 | 454 | static int brcmf_ops_sdio_probe(struct sdio_func *func, |
5b3c1832 | 455 | const struct sdio_device_id *id) |
5b435de0 | 456 | { |
5b3c1832 | 457 | int err; |
5b435de0 | 458 | struct brcmf_sdio_dev *sdiodev; |
655713be | 459 | struct brcmf_bus *bus_if; |
ba89bf19 | 460 | |
c3203374 AS |
461 | brcmf_dbg(SDIO, "Enter\n"); |
462 | brcmf_dbg(SDIO, "Class=%x\n", func->class); | |
463 | brcmf_dbg(SDIO, "sdio vendor ID: 0x%04x\n", func->vendor); | |
464 | brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device); | |
465 | brcmf_dbg(SDIO, "Function#: %d\n", func->num); | |
5b3c1832 HM |
466 | |
467 | /* Consume func num 1 but dont do anything with it. */ | |
468 | if (func->num == 1) | |
469 | return 0; | |
470 | ||
471 | /* Ignore anything but func 2 */ | |
472 | if (func->num != 2) | |
473 | return -ENODEV; | |
474 | ||
475 | bus_if = kzalloc(sizeof(struct brcmf_bus), GFP_KERNEL); | |
476 | if (!bus_if) | |
477 | return -ENOMEM; | |
478 | sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL); | |
479 | if (!sdiodev) { | |
480 | kfree(bus_if); | |
481 | return -ENOMEM; | |
5b435de0 AS |
482 | } |
483 | ||
5b3c1832 HM |
484 | sdiodev->func[0] = func->card->sdio_func[0]; |
485 | sdiodev->func[1] = func->card->sdio_func[0]; | |
486 | sdiodev->func[2] = func; | |
487 | ||
488 | sdiodev->bus_if = bus_if; | |
489 | bus_if->bus_priv.sdio = sdiodev; | |
5b3c1832 HM |
490 | bus_if->align = BRCMF_SDALIGN; |
491 | dev_set_drvdata(&func->dev, bus_if); | |
492 | dev_set_drvdata(&sdiodev->func[1]->dev, bus_if); | |
493 | sdiodev->dev = &sdiodev->func[1]->dev; | |
494 | ||
495 | atomic_set(&sdiodev->suspend, false); | |
496 | init_waitqueue_head(&sdiodev->request_byte_wait); | |
497 | init_waitqueue_head(&sdiodev->request_word_wait); | |
498 | init_waitqueue_head(&sdiodev->request_chain_wait); | |
499 | init_waitqueue_head(&sdiodev->request_buffer_wait); | |
500 | err = brcmf_sdio_getintrcfg(sdiodev); | |
501 | if (err) | |
502 | goto fail; | |
503 | ||
c3203374 | 504 | brcmf_dbg(SDIO, "F2 found, calling brcmf_sdio_probe...\n"); |
5b3c1832 HM |
505 | err = brcmf_sdio_probe(sdiodev); |
506 | if (err) { | |
5e8149f5 | 507 | brcmf_err("F2 error, probe failed %d...\n", err); |
5b3c1832 | 508 | goto fail; |
5b435de0 | 509 | } |
c3203374 | 510 | brcmf_dbg(SDIO, "F2 init completed...\n"); |
5b3c1832 | 511 | return 0; |
5b435de0 | 512 | |
5b3c1832 HM |
513 | fail: |
514 | dev_set_drvdata(&func->dev, NULL); | |
515 | dev_set_drvdata(&sdiodev->func[1]->dev, NULL); | |
516 | kfree(sdiodev); | |
517 | kfree(bus_if); | |
518 | return err; | |
5b435de0 AS |
519 | } |
520 | ||
521 | static void brcmf_ops_sdio_remove(struct sdio_func *func) | |
522 | { | |
655713be | 523 | struct brcmf_bus *bus_if; |
5b435de0 | 524 | struct brcmf_sdio_dev *sdiodev; |
5b3c1832 | 525 | |
c3203374 AS |
526 | brcmf_dbg(SDIO, "Enter\n"); |
527 | brcmf_dbg(SDIO, "sdio vendor ID: 0x%04x\n", func->vendor); | |
528 | brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device); | |
529 | brcmf_dbg(SDIO, "Function: %d\n", func->num); | |
5b435de0 | 530 | |
5b3c1832 HM |
531 | if (func->num != 1 && func->num != 2) |
532 | return; | |
533 | ||
534 | bus_if = dev_get_drvdata(&func->dev); | |
535 | if (bus_if) { | |
0a332e46 | 536 | sdiodev = bus_if->bus_priv.sdio; |
5b435de0 | 537 | brcmf_sdio_remove(sdiodev); |
5b3c1832 HM |
538 | |
539 | dev_set_drvdata(&sdiodev->func[1]->dev, NULL); | |
540 | dev_set_drvdata(&sdiodev->func[2]->dev, NULL); | |
541 | ||
655713be | 542 | kfree(bus_if); |
5b435de0 AS |
543 | kfree(sdiodev); |
544 | } | |
5b3c1832 | 545 | |
c3203374 | 546 | brcmf_dbg(SDIO, "Exit\n"); |
5b435de0 AS |
547 | } |
548 | ||
549 | #ifdef CONFIG_PM_SLEEP | |
550 | static int brcmf_sdio_suspend(struct device *dev) | |
551 | { | |
552 | mmc_pm_flag_t sdio_flags; | |
5b3c1832 HM |
553 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
554 | struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; | |
5b435de0 AS |
555 | int ret = 0; |
556 | ||
c3203374 | 557 | brcmf_dbg(SDIO, "\n"); |
5b435de0 | 558 | |
5b435de0 AS |
559 | atomic_set(&sdiodev->suspend, true); |
560 | ||
561 | sdio_flags = sdio_get_host_pm_caps(sdiodev->func[1]); | |
562 | if (!(sdio_flags & MMC_PM_KEEP_POWER)) { | |
5e8149f5 | 563 | brcmf_err("Host can't keep power while suspended\n"); |
5b435de0 AS |
564 | return -EINVAL; |
565 | } | |
566 | ||
567 | ret = sdio_set_host_pm_flags(sdiodev->func[1], MMC_PM_KEEP_POWER); | |
568 | if (ret) { | |
5e8149f5 | 569 | brcmf_err("Failed to set pm_flags\n"); |
5b435de0 AS |
570 | return ret; |
571 | } | |
572 | ||
573 | brcmf_sdio_wdtmr_enable(sdiodev, false); | |
574 | ||
575 | return ret; | |
576 | } | |
577 | ||
578 | static int brcmf_sdio_resume(struct device *dev) | |
579 | { | |
5b3c1832 HM |
580 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
581 | struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; | |
5b435de0 | 582 | |
5b435de0 AS |
583 | brcmf_sdio_wdtmr_enable(sdiodev, true); |
584 | atomic_set(&sdiodev->suspend, false); | |
585 | return 0; | |
586 | } | |
587 | ||
588 | static const struct dev_pm_ops brcmf_sdio_pm_ops = { | |
589 | .suspend = brcmf_sdio_suspend, | |
590 | .resume = brcmf_sdio_resume, | |
591 | }; | |
592 | #endif /* CONFIG_PM_SLEEP */ | |
593 | ||
594 | static struct sdio_driver brcmf_sdmmc_driver = { | |
595 | .probe = brcmf_ops_sdio_probe, | |
596 | .remove = brcmf_ops_sdio_remove, | |
597 | .name = "brcmfmac", | |
598 | .id_table = brcmf_sdmmc_ids, | |
599 | #ifdef CONFIG_PM_SLEEP | |
600 | .drv = { | |
601 | .pm = &brcmf_sdio_pm_ops, | |
602 | }, | |
603 | #endif /* CONFIG_PM_SLEEP */ | |
604 | }; | |
605 | ||
ba89bf19 FL |
606 | #ifdef CONFIG_BRCMFMAC_SDIO_OOB |
607 | static int brcmf_sdio_pd_probe(struct platform_device *pdev) | |
608 | { | |
609 | struct resource *res; | |
610 | struct brcmf_sdio_oobirq *oobirq_entry; | |
611 | int i, ret; | |
612 | ||
613 | INIT_LIST_HEAD(&oobirq_lh); | |
614 | ||
615 | for (i = 0; ; i++) { | |
616 | res = platform_get_resource(pdev, IORESOURCE_IRQ, i); | |
617 | if (!res) | |
618 | break; | |
619 | ||
620 | oobirq_entry = kzalloc(sizeof(struct brcmf_sdio_oobirq), | |
621 | GFP_KERNEL); | |
4abd044a CIK |
622 | if (!oobirq_entry) |
623 | return -ENOMEM; | |
ba89bf19 FL |
624 | oobirq_entry->irq = res->start; |
625 | oobirq_entry->flags = res->flags & IRQF_TRIGGER_MASK; | |
626 | list_add_tail(&oobirq_entry->list, &oobirq_lh); | |
627 | } | |
628 | if (i == 0) | |
629 | return -ENXIO; | |
630 | ||
631 | ret = sdio_register_driver(&brcmf_sdmmc_driver); | |
632 | ||
633 | if (ret) | |
5e8149f5 | 634 | brcmf_err("sdio_register_driver failed: %d\n", ret); |
ba89bf19 FL |
635 | |
636 | return ret; | |
637 | } | |
638 | ||
639 | static struct platform_driver brcmf_sdio_pd = { | |
640 | .probe = brcmf_sdio_pd_probe, | |
641 | .driver = { | |
642 | .name = "brcmf_sdio_pd" | |
643 | } | |
644 | }; | |
645 | ||
646 | void brcmf_sdio_exit(void) | |
647 | { | |
c3203374 | 648 | brcmf_dbg(SDIO, "Enter\n"); |
ba89bf19 FL |
649 | |
650 | sdio_unregister_driver(&brcmf_sdmmc_driver); | |
651 | ||
652 | platform_driver_unregister(&brcmf_sdio_pd); | |
653 | } | |
654 | ||
655 | void brcmf_sdio_init(void) | |
656 | { | |
657 | int ret; | |
658 | ||
c3203374 | 659 | brcmf_dbg(SDIO, "Enter\n"); |
ba89bf19 FL |
660 | |
661 | ret = platform_driver_register(&brcmf_sdio_pd); | |
662 | ||
663 | if (ret) | |
5e8149f5 | 664 | brcmf_err("platform_driver_register failed: %d\n", ret); |
ba89bf19 FL |
665 | } |
666 | #else | |
f3d7cdc3 | 667 | void brcmf_sdio_exit(void) |
5b435de0 | 668 | { |
c3203374 | 669 | brcmf_dbg(SDIO, "Enter\n"); |
5b435de0 | 670 | |
3392c888 | 671 | sdio_unregister_driver(&brcmf_sdmmc_driver); |
5b435de0 AS |
672 | } |
673 | ||
549040ab | 674 | void brcmf_sdio_init(void) |
5b435de0 | 675 | { |
3392c888 FL |
676 | int ret; |
677 | ||
c3203374 | 678 | brcmf_dbg(SDIO, "Enter\n"); |
5b435de0 | 679 | |
3392c888 FL |
680 | ret = sdio_register_driver(&brcmf_sdmmc_driver); |
681 | ||
682 | if (ret) | |
5e8149f5 | 683 | brcmf_err("sdio_register_driver failed: %d\n", ret); |
5b435de0 | 684 | } |
ba89bf19 | 685 | #endif /* CONFIG_BRCMFMAC_SDIO_OOB */ |