Commit | Line | Data |
---|---|---|
9e37f045 HM |
1 | /* Copyright (c) 2014 Broadcom Corporation |
2 | * | |
3 | * Permission to use, copy, modify, and/or distribute this software for any | |
4 | * purpose with or without fee is hereby granted, provided that the above | |
5 | * copyright notice and this permission notice appear in all copies. | |
6 | * | |
7 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
8 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
9 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
10 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
11 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
12 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
13 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
14 | */ | |
15 | ||
16 | #include <linux/kernel.h> | |
17 | #include <linux/module.h> | |
18 | #include <linux/firmware.h> | |
19 | #include <linux/pci.h> | |
20 | #include <linux/vmalloc.h> | |
21 | #include <linux/delay.h> | |
9e37f045 HM |
22 | #include <linux/interrupt.h> |
23 | #include <linux/bcma/bcma.h> | |
24 | #include <linux/sched.h> | |
a1d69c60 | 25 | #include <asm/unaligned.h> |
9e37f045 HM |
26 | |
27 | #include <soc.h> | |
28 | #include <chipcommon.h> | |
29 | #include <brcmu_utils.h> | |
30 | #include <brcmu_wifi.h> | |
31 | #include <brcm_hw_ids.h> | |
32 | ||
a8e8ed34 | 33 | #include "debug.h" |
d14f78b9 | 34 | #include "bus.h" |
9e37f045 HM |
35 | #include "commonring.h" |
36 | #include "msgbuf.h" | |
37 | #include "pcie.h" | |
38 | #include "firmware.h" | |
39 | #include "chip.h" | |
40 | ||
41 | ||
42 | enum brcmf_pcie_state { | |
43 | BRCMFMAC_PCIE_STATE_DOWN, | |
44 | BRCMFMAC_PCIE_STATE_UP | |
45 | }; | |
46 | ||
47 | ||
48 | #define BRCMF_PCIE_43602_FW_NAME "brcm/brcmfmac43602-pcie.bin" | |
49 | #define BRCMF_PCIE_43602_NVRAM_NAME "brcm/brcmfmac43602-pcie.txt" | |
9e37f045 HM |
50 | #define BRCMF_PCIE_4356_FW_NAME "brcm/brcmfmac4356-pcie.bin" |
51 | #define BRCMF_PCIE_4356_NVRAM_NAME "brcm/brcmfmac4356-pcie.txt" | |
52 | #define BRCMF_PCIE_43570_FW_NAME "brcm/brcmfmac43570-pcie.bin" | |
53 | #define BRCMF_PCIE_43570_NVRAM_NAME "brcm/brcmfmac43570-pcie.txt" | |
67f3b6a3 AS |
54 | #define BRCMF_PCIE_4358_FW_NAME "brcm/brcmfmac4358-pcie.bin" |
55 | #define BRCMF_PCIE_4358_NVRAM_NAME "brcm/brcmfmac4358-pcie.txt" | |
9e37f045 HM |
56 | |
57 | #define BRCMF_PCIE_FW_UP_TIMEOUT 2000 /* msec */ | |
58 | ||
59 | #define BRCMF_PCIE_TCM_MAP_SIZE (4096 * 1024) | |
60 | #define BRCMF_PCIE_REG_MAP_SIZE (32 * 1024) | |
61 | ||
62 | /* backplane addres space accessed by BAR0 */ | |
63 | #define BRCMF_PCIE_BAR0_WINDOW 0x80 | |
64 | #define BRCMF_PCIE_BAR0_REG_SIZE 0x1000 | |
65 | #define BRCMF_PCIE_BAR0_WRAPPERBASE 0x70 | |
66 | ||
67 | #define BRCMF_PCIE_BAR0_WRAPBASE_DMP_OFFSET 0x1000 | |
68 | #define BRCMF_PCIE_BARO_PCIE_ENUM_OFFSET 0x2000 | |
69 | ||
70 | #define BRCMF_PCIE_ARMCR4REG_BANKIDX 0x40 | |
71 | #define BRCMF_PCIE_ARMCR4REG_BANKPDA 0x4C | |
72 | ||
73 | #define BRCMF_PCIE_REG_INTSTATUS 0x90 | |
74 | #define BRCMF_PCIE_REG_INTMASK 0x94 | |
75 | #define BRCMF_PCIE_REG_SBMBX 0x98 | |
76 | ||
77 | #define BRCMF_PCIE_PCIE2REG_INTMASK 0x24 | |
78 | #define BRCMF_PCIE_PCIE2REG_MAILBOXINT 0x48 | |
79 | #define BRCMF_PCIE_PCIE2REG_MAILBOXMASK 0x4C | |
80 | #define BRCMF_PCIE_PCIE2REG_CONFIGADDR 0x120 | |
81 | #define BRCMF_PCIE_PCIE2REG_CONFIGDATA 0x124 | |
82 | #define BRCMF_PCIE_PCIE2REG_H2D_MAILBOX 0x140 | |
83 | ||
84 | #define BRCMF_PCIE_GENREV1 1 | |
85 | #define BRCMF_PCIE_GENREV2 2 | |
86 | ||
87 | #define BRCMF_PCIE2_INTA 0x01 | |
88 | #define BRCMF_PCIE2_INTB 0x02 | |
89 | ||
90 | #define BRCMF_PCIE_INT_0 0x01 | |
91 | #define BRCMF_PCIE_INT_1 0x02 | |
92 | #define BRCMF_PCIE_INT_DEF (BRCMF_PCIE_INT_0 | \ | |
93 | BRCMF_PCIE_INT_1) | |
94 | ||
95 | #define BRCMF_PCIE_MB_INT_FN0_0 0x0100 | |
96 | #define BRCMF_PCIE_MB_INT_FN0_1 0x0200 | |
97 | #define BRCMF_PCIE_MB_INT_D2H0_DB0 0x10000 | |
98 | #define BRCMF_PCIE_MB_INT_D2H0_DB1 0x20000 | |
99 | #define BRCMF_PCIE_MB_INT_D2H1_DB0 0x40000 | |
100 | #define BRCMF_PCIE_MB_INT_D2H1_DB1 0x80000 | |
101 | #define BRCMF_PCIE_MB_INT_D2H2_DB0 0x100000 | |
102 | #define BRCMF_PCIE_MB_INT_D2H2_DB1 0x200000 | |
103 | #define BRCMF_PCIE_MB_INT_D2H3_DB0 0x400000 | |
104 | #define BRCMF_PCIE_MB_INT_D2H3_DB1 0x800000 | |
105 | ||
106 | #define BRCMF_PCIE_MB_INT_D2H_DB (BRCMF_PCIE_MB_INT_D2H0_DB0 | \ | |
107 | BRCMF_PCIE_MB_INT_D2H0_DB1 | \ | |
108 | BRCMF_PCIE_MB_INT_D2H1_DB0 | \ | |
109 | BRCMF_PCIE_MB_INT_D2H1_DB1 | \ | |
110 | BRCMF_PCIE_MB_INT_D2H2_DB0 | \ | |
111 | BRCMF_PCIE_MB_INT_D2H2_DB1 | \ | |
112 | BRCMF_PCIE_MB_INT_D2H3_DB0 | \ | |
113 | BRCMF_PCIE_MB_INT_D2H3_DB1) | |
114 | ||
115 | #define BRCMF_PCIE_MIN_SHARED_VERSION 4 | |
116 | #define BRCMF_PCIE_MAX_SHARED_VERSION 5 | |
117 | #define BRCMF_PCIE_SHARED_VERSION_MASK 0x00FF | |
118 | #define BRCMF_PCIE_SHARED_TXPUSH_SUPPORT 0x4000 | |
119 | ||
120 | #define BRCMF_PCIE_FLAGS_HTOD_SPLIT 0x4000 | |
121 | #define BRCMF_PCIE_FLAGS_DTOH_SPLIT 0x8000 | |
122 | ||
123 | #define BRCMF_SHARED_MAX_RXBUFPOST_OFFSET 34 | |
124 | #define BRCMF_SHARED_RING_BASE_OFFSET 52 | |
125 | #define BRCMF_SHARED_RX_DATAOFFSET_OFFSET 36 | |
126 | #define BRCMF_SHARED_CONSOLE_ADDR_OFFSET 20 | |
127 | #define BRCMF_SHARED_HTOD_MB_DATA_ADDR_OFFSET 40 | |
128 | #define BRCMF_SHARED_DTOH_MB_DATA_ADDR_OFFSET 44 | |
129 | #define BRCMF_SHARED_RING_INFO_ADDR_OFFSET 48 | |
130 | #define BRCMF_SHARED_DMA_SCRATCH_LEN_OFFSET 52 | |
131 | #define BRCMF_SHARED_DMA_SCRATCH_ADDR_OFFSET 56 | |
132 | #define BRCMF_SHARED_DMA_RINGUPD_LEN_OFFSET 64 | |
133 | #define BRCMF_SHARED_DMA_RINGUPD_ADDR_OFFSET 68 | |
134 | ||
135 | #define BRCMF_RING_H2D_RING_COUNT_OFFSET 0 | |
136 | #define BRCMF_RING_D2H_RING_COUNT_OFFSET 1 | |
137 | #define BRCMF_RING_H2D_RING_MEM_OFFSET 4 | |
138 | #define BRCMF_RING_H2D_RING_STATE_OFFSET 8 | |
139 | ||
140 | #define BRCMF_RING_MEM_BASE_ADDR_OFFSET 8 | |
141 | #define BRCMF_RING_MAX_ITEM_OFFSET 4 | |
142 | #define BRCMF_RING_LEN_ITEMS_OFFSET 6 | |
143 | #define BRCMF_RING_MEM_SZ 16 | |
144 | #define BRCMF_RING_STATE_SZ 8 | |
145 | ||
146 | #define BRCMF_SHARED_RING_H2D_W_IDX_PTR_OFFSET 4 | |
147 | #define BRCMF_SHARED_RING_H2D_R_IDX_PTR_OFFSET 8 | |
148 | #define BRCMF_SHARED_RING_D2H_W_IDX_PTR_OFFSET 12 | |
149 | #define BRCMF_SHARED_RING_D2H_R_IDX_PTR_OFFSET 16 | |
150 | #define BRCMF_SHARED_RING_TCM_MEMLOC_OFFSET 0 | |
151 | #define BRCMF_SHARED_RING_MAX_SUB_QUEUES 52 | |
152 | ||
153 | #define BRCMF_DEF_MAX_RXBUFPOST 255 | |
154 | ||
155 | #define BRCMF_CONSOLE_BUFADDR_OFFSET 8 | |
156 | #define BRCMF_CONSOLE_BUFSIZE_OFFSET 12 | |
157 | #define BRCMF_CONSOLE_WRITEIDX_OFFSET 16 | |
158 | ||
159 | #define BRCMF_DMA_D2H_SCRATCH_BUF_LEN 8 | |
160 | #define BRCMF_DMA_D2H_RINGUPD_BUF_LEN 1024 | |
161 | ||
162 | #define BRCMF_D2H_DEV_D3_ACK 0x00000001 | |
163 | #define BRCMF_D2H_DEV_DS_ENTER_REQ 0x00000002 | |
164 | #define BRCMF_D2H_DEV_DS_EXIT_NOTE 0x00000004 | |
165 | ||
166 | #define BRCMF_H2D_HOST_D3_INFORM 0x00000001 | |
167 | #define BRCMF_H2D_HOST_DS_ACK 0x00000002 | |
4eb3af7c HM |
168 | #define BRCMF_H2D_HOST_D0_INFORM_IN_USE 0x00000008 |
169 | #define BRCMF_H2D_HOST_D0_INFORM 0x00000010 | |
9e37f045 HM |
170 | |
171 | #define BRCMF_PCIE_MBDATA_TIMEOUT 2000 | |
172 | ||
bd4f82e3 HM |
173 | #define BRCMF_PCIE_CFGREG_STATUS_CMD 0x4 |
174 | #define BRCMF_PCIE_CFGREG_PM_CSR 0x4C | |
175 | #define BRCMF_PCIE_CFGREG_MSI_CAP 0x58 | |
176 | #define BRCMF_PCIE_CFGREG_MSI_ADDR_L 0x5C | |
177 | #define BRCMF_PCIE_CFGREG_MSI_ADDR_H 0x60 | |
178 | #define BRCMF_PCIE_CFGREG_MSI_DATA 0x64 | |
179 | #define BRCMF_PCIE_CFGREG_LINK_STATUS_CTRL 0xBC | |
180 | #define BRCMF_PCIE_CFGREG_LINK_STATUS_CTRL2 0xDC | |
181 | #define BRCMF_PCIE_CFGREG_RBAR_CTRL 0x228 | |
182 | #define BRCMF_PCIE_CFGREG_PML1_SUB_CTRL1 0x248 | |
183 | #define BRCMF_PCIE_CFGREG_REG_BAR2_CONFIG 0x4E0 | |
184 | #define BRCMF_PCIE_CFGREG_REG_BAR3_CONFIG 0x4F4 | |
185 | #define BRCMF_PCIE_LINK_STATUS_CTRL_ASPM_ENAB 3 | |
186 | ||
9e37f045 HM |
187 | |
188 | MODULE_FIRMWARE(BRCMF_PCIE_43602_FW_NAME); | |
189 | MODULE_FIRMWARE(BRCMF_PCIE_43602_NVRAM_NAME); | |
7fca40eb AS |
190 | MODULE_FIRMWARE(BRCMF_PCIE_4356_FW_NAME); |
191 | MODULE_FIRMWARE(BRCMF_PCIE_4356_NVRAM_NAME); | |
9e37f045 HM |
192 | MODULE_FIRMWARE(BRCMF_PCIE_43570_FW_NAME); |
193 | MODULE_FIRMWARE(BRCMF_PCIE_43570_NVRAM_NAME); | |
67f3b6a3 AS |
194 | MODULE_FIRMWARE(BRCMF_PCIE_4358_FW_NAME); |
195 | MODULE_FIRMWARE(BRCMF_PCIE_4358_NVRAM_NAME); | |
9e37f045 HM |
196 | |
197 | ||
198 | struct brcmf_pcie_console { | |
199 | u32 base_addr; | |
200 | u32 buf_addr; | |
201 | u32 bufsize; | |
202 | u32 read_idx; | |
203 | u8 log_str[256]; | |
204 | u8 log_idx; | |
205 | }; | |
206 | ||
207 | struct brcmf_pcie_shared_info { | |
208 | u32 tcm_base_address; | |
209 | u32 flags; | |
210 | struct brcmf_pcie_ringbuf *commonrings[BRCMF_NROF_COMMON_MSGRINGS]; | |
211 | struct brcmf_pcie_ringbuf *flowrings; | |
212 | u16 max_rxbufpost; | |
213 | u32 nrof_flowrings; | |
214 | u32 rx_dataoffset; | |
215 | u32 htod_mb_data_addr; | |
216 | u32 dtoh_mb_data_addr; | |
217 | u32 ring_info_addr; | |
218 | struct brcmf_pcie_console console; | |
219 | void *scratch; | |
220 | dma_addr_t scratch_dmahandle; | |
221 | void *ringupd; | |
222 | dma_addr_t ringupd_dmahandle; | |
223 | }; | |
224 | ||
225 | struct brcmf_pcie_core_info { | |
226 | u32 base; | |
227 | u32 wrapbase; | |
228 | }; | |
229 | ||
230 | struct brcmf_pciedev_info { | |
231 | enum brcmf_pcie_state state; | |
232 | bool in_irq; | |
233 | bool irq_requested; | |
234 | struct pci_dev *pdev; | |
235 | char fw_name[BRCMF_FW_PATH_LEN + BRCMF_FW_NAME_LEN]; | |
236 | char nvram_name[BRCMF_FW_PATH_LEN + BRCMF_FW_NAME_LEN]; | |
237 | void __iomem *regs; | |
238 | void __iomem *tcm; | |
239 | u32 tcm_size; | |
240 | u32 ram_base; | |
241 | u32 ram_size; | |
242 | struct brcmf_chip *ci; | |
243 | u32 coreid; | |
244 | u32 generic_corerev; | |
245 | struct brcmf_pcie_shared_info shared; | |
246 | void (*ringbell)(struct brcmf_pciedev_info *devinfo); | |
247 | wait_queue_head_t mbdata_resp_wait; | |
248 | bool mbdata_completed; | |
249 | bool irq_allocated; | |
4eb3af7c | 250 | bool wowl_enabled; |
9e37f045 HM |
251 | }; |
252 | ||
253 | struct brcmf_pcie_ringbuf { | |
254 | struct brcmf_commonring commonring; | |
255 | dma_addr_t dma_handle; | |
256 | u32 w_idx_addr; | |
257 | u32 r_idx_addr; | |
258 | struct brcmf_pciedev_info *devinfo; | |
259 | u8 id; | |
260 | }; | |
261 | ||
262 | ||
263 | static const u32 brcmf_ring_max_item[BRCMF_NROF_COMMON_MSGRINGS] = { | |
264 | BRCMF_H2D_MSGRING_CONTROL_SUBMIT_MAX_ITEM, | |
265 | BRCMF_H2D_MSGRING_RXPOST_SUBMIT_MAX_ITEM, | |
266 | BRCMF_D2H_MSGRING_CONTROL_COMPLETE_MAX_ITEM, | |
267 | BRCMF_D2H_MSGRING_TX_COMPLETE_MAX_ITEM, | |
268 | BRCMF_D2H_MSGRING_RX_COMPLETE_MAX_ITEM | |
269 | }; | |
270 | ||
271 | static const u32 brcmf_ring_itemsize[BRCMF_NROF_COMMON_MSGRINGS] = { | |
272 | BRCMF_H2D_MSGRING_CONTROL_SUBMIT_ITEMSIZE, | |
273 | BRCMF_H2D_MSGRING_RXPOST_SUBMIT_ITEMSIZE, | |
274 | BRCMF_D2H_MSGRING_CONTROL_COMPLETE_ITEMSIZE, | |
275 | BRCMF_D2H_MSGRING_TX_COMPLETE_ITEMSIZE, | |
276 | BRCMF_D2H_MSGRING_RX_COMPLETE_ITEMSIZE | |
277 | }; | |
278 | ||
279 | ||
280 | /* dma flushing needs implementation for mips and arm platforms. Should | |
281 | * be put in util. Note, this is not real flushing. It is virtual non | |
282 | * cached memory. Only write buffers should have to be drained. Though | |
283 | * this may be different depending on platform...... | |
284 | */ | |
285 | #define brcmf_dma_flush(addr, len) | |
286 | #define brcmf_dma_invalidate_cache(addr, len) | |
287 | ||
288 | ||
289 | static u32 | |
290 | brcmf_pcie_read_reg32(struct brcmf_pciedev_info *devinfo, u32 reg_offset) | |
291 | { | |
292 | void __iomem *address = devinfo->regs + reg_offset; | |
293 | ||
294 | return (ioread32(address)); | |
295 | } | |
296 | ||
297 | ||
298 | static void | |
299 | brcmf_pcie_write_reg32(struct brcmf_pciedev_info *devinfo, u32 reg_offset, | |
300 | u32 value) | |
301 | { | |
302 | void __iomem *address = devinfo->regs + reg_offset; | |
303 | ||
304 | iowrite32(value, address); | |
305 | } | |
306 | ||
307 | ||
308 | static u8 | |
309 | brcmf_pcie_read_tcm8(struct brcmf_pciedev_info *devinfo, u32 mem_offset) | |
310 | { | |
311 | void __iomem *address = devinfo->tcm + mem_offset; | |
312 | ||
313 | return (ioread8(address)); | |
314 | } | |
315 | ||
316 | ||
317 | static u16 | |
318 | brcmf_pcie_read_tcm16(struct brcmf_pciedev_info *devinfo, u32 mem_offset) | |
319 | { | |
320 | void __iomem *address = devinfo->tcm + mem_offset; | |
321 | ||
322 | return (ioread16(address)); | |
323 | } | |
324 | ||
325 | ||
326 | static void | |
327 | brcmf_pcie_write_tcm16(struct brcmf_pciedev_info *devinfo, u32 mem_offset, | |
328 | u16 value) | |
329 | { | |
330 | void __iomem *address = devinfo->tcm + mem_offset; | |
331 | ||
332 | iowrite16(value, address); | |
333 | } | |
334 | ||
335 | ||
336 | static u32 | |
337 | brcmf_pcie_read_tcm32(struct brcmf_pciedev_info *devinfo, u32 mem_offset) | |
338 | { | |
339 | void __iomem *address = devinfo->tcm + mem_offset; | |
340 | ||
341 | return (ioread32(address)); | |
342 | } | |
343 | ||
344 | ||
345 | static void | |
346 | brcmf_pcie_write_tcm32(struct brcmf_pciedev_info *devinfo, u32 mem_offset, | |
347 | u32 value) | |
348 | { | |
349 | void __iomem *address = devinfo->tcm + mem_offset; | |
350 | ||
351 | iowrite32(value, address); | |
352 | } | |
353 | ||
354 | ||
355 | static u32 | |
356 | brcmf_pcie_read_ram32(struct brcmf_pciedev_info *devinfo, u32 mem_offset) | |
357 | { | |
358 | void __iomem *addr = devinfo->tcm + devinfo->ci->rambase + mem_offset; | |
359 | ||
360 | return (ioread32(addr)); | |
361 | } | |
362 | ||
363 | ||
364 | static void | |
365 | brcmf_pcie_write_ram32(struct brcmf_pciedev_info *devinfo, u32 mem_offset, | |
366 | u32 value) | |
367 | { | |
368 | void __iomem *addr = devinfo->tcm + devinfo->ci->rambase + mem_offset; | |
369 | ||
370 | iowrite32(value, addr); | |
371 | } | |
372 | ||
373 | ||
374 | static void | |
375 | brcmf_pcie_copy_mem_todev(struct brcmf_pciedev_info *devinfo, u32 mem_offset, | |
376 | void *srcaddr, u32 len) | |
377 | { | |
378 | void __iomem *address = devinfo->tcm + mem_offset; | |
379 | __le32 *src32; | |
380 | __le16 *src16; | |
381 | u8 *src8; | |
382 | ||
383 | if (((ulong)address & 4) || ((ulong)srcaddr & 4) || (len & 4)) { | |
384 | if (((ulong)address & 2) || ((ulong)srcaddr & 2) || (len & 2)) { | |
385 | src8 = (u8 *)srcaddr; | |
386 | while (len) { | |
387 | iowrite8(*src8, address); | |
388 | address++; | |
389 | src8++; | |
390 | len--; | |
391 | } | |
392 | } else { | |
393 | len = len / 2; | |
394 | src16 = (__le16 *)srcaddr; | |
395 | while (len) { | |
396 | iowrite16(le16_to_cpu(*src16), address); | |
397 | address += 2; | |
398 | src16++; | |
399 | len--; | |
400 | } | |
401 | } | |
402 | } else { | |
403 | len = len / 4; | |
404 | src32 = (__le32 *)srcaddr; | |
405 | while (len) { | |
406 | iowrite32(le32_to_cpu(*src32), address); | |
407 | address += 4; | |
408 | src32++; | |
409 | len--; | |
410 | } | |
411 | } | |
412 | } | |
413 | ||
414 | ||
415 | #define WRITECC32(devinfo, reg, value) brcmf_pcie_write_reg32(devinfo, \ | |
416 | CHIPCREGOFFS(reg), value) | |
417 | ||
418 | ||
419 | static void | |
420 | brcmf_pcie_select_core(struct brcmf_pciedev_info *devinfo, u16 coreid) | |
421 | { | |
422 | const struct pci_dev *pdev = devinfo->pdev; | |
423 | struct brcmf_core *core; | |
424 | u32 bar0_win; | |
425 | ||
426 | core = brcmf_chip_get_core(devinfo->ci, coreid); | |
427 | if (core) { | |
428 | bar0_win = core->base; | |
429 | pci_write_config_dword(pdev, BRCMF_PCIE_BAR0_WINDOW, bar0_win); | |
430 | if (pci_read_config_dword(pdev, BRCMF_PCIE_BAR0_WINDOW, | |
431 | &bar0_win) == 0) { | |
432 | if (bar0_win != core->base) { | |
433 | bar0_win = core->base; | |
434 | pci_write_config_dword(pdev, | |
435 | BRCMF_PCIE_BAR0_WINDOW, | |
436 | bar0_win); | |
437 | } | |
438 | } | |
439 | } else { | |
440 | brcmf_err("Unsupported core selected %x\n", coreid); | |
441 | } | |
442 | } | |
443 | ||
444 | ||
bd4f82e3 | 445 | static void brcmf_pcie_reset_device(struct brcmf_pciedev_info *devinfo) |
9e37f045 | 446 | { |
bd4f82e3 HM |
447 | u16 cfg_offset[] = { BRCMF_PCIE_CFGREG_STATUS_CMD, |
448 | BRCMF_PCIE_CFGREG_PM_CSR, | |
449 | BRCMF_PCIE_CFGREG_MSI_CAP, | |
450 | BRCMF_PCIE_CFGREG_MSI_ADDR_L, | |
451 | BRCMF_PCIE_CFGREG_MSI_ADDR_H, | |
452 | BRCMF_PCIE_CFGREG_MSI_DATA, | |
453 | BRCMF_PCIE_CFGREG_LINK_STATUS_CTRL2, | |
454 | BRCMF_PCIE_CFGREG_RBAR_CTRL, | |
455 | BRCMF_PCIE_CFGREG_PML1_SUB_CTRL1, | |
456 | BRCMF_PCIE_CFGREG_REG_BAR2_CONFIG, | |
457 | BRCMF_PCIE_CFGREG_REG_BAR3_CONFIG }; | |
9e37f045 HM |
458 | u32 i; |
459 | u32 val; | |
bd4f82e3 | 460 | u32 lsc; |
9e37f045 HM |
461 | |
462 | if (!devinfo->ci) | |
463 | return; | |
464 | ||
bd4f82e3 HM |
465 | brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); |
466 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGADDR, | |
467 | BRCMF_PCIE_CFGREG_LINK_STATUS_CTRL); | |
468 | lsc = brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGDATA); | |
469 | val = lsc & (~BRCMF_PCIE_LINK_STATUS_CTRL_ASPM_ENAB); | |
470 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGDATA, val); | |
9e37f045 | 471 | |
bd4f82e3 HM |
472 | brcmf_pcie_select_core(devinfo, BCMA_CORE_CHIPCOMMON); |
473 | WRITECC32(devinfo, watchdog, 4); | |
9e37f045 HM |
474 | msleep(100); |
475 | ||
bd4f82e3 HM |
476 | brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); |
477 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGADDR, | |
478 | BRCMF_PCIE_CFGREG_LINK_STATUS_CTRL); | |
479 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGDATA, lsc); | |
480 | ||
9e37f045 HM |
481 | brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); |
482 | for (i = 0; i < ARRAY_SIZE(cfg_offset); i++) { | |
483 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGADDR, | |
484 | cfg_offset[i]); | |
485 | val = brcmf_pcie_read_reg32(devinfo, | |
486 | BRCMF_PCIE_PCIE2REG_CONFIGDATA); | |
487 | brcmf_dbg(PCIE, "config offset 0x%04x, value 0x%04x\n", | |
488 | cfg_offset[i], val); | |
489 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGDATA, | |
490 | val); | |
491 | } | |
492 | } | |
493 | ||
494 | ||
495 | static void brcmf_pcie_attach(struct brcmf_pciedev_info *devinfo) | |
496 | { | |
497 | u32 config; | |
498 | ||
499 | brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); | |
500 | if (brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_INTMASK) != 0) | |
bd4f82e3 | 501 | brcmf_pcie_reset_device(devinfo); |
9e37f045 HM |
502 | /* BAR1 window may not be sized properly */ |
503 | brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); | |
504 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGADDR, 0x4e0); | |
505 | config = brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGDATA); | |
506 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGDATA, config); | |
507 | ||
508 | device_wakeup_enable(&devinfo->pdev->dev); | |
509 | } | |
510 | ||
511 | ||
512 | static int brcmf_pcie_enter_download_state(struct brcmf_pciedev_info *devinfo) | |
513 | { | |
9e37f045 HM |
514 | if (devinfo->ci->chip == BRCM_CC_43602_CHIP_ID) { |
515 | brcmf_pcie_select_core(devinfo, BCMA_CORE_ARM_CR4); | |
516 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKIDX, | |
517 | 5); | |
518 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKPDA, | |
519 | 0); | |
520 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKIDX, | |
521 | 7); | |
522 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKPDA, | |
523 | 0); | |
524 | } | |
525 | return 0; | |
526 | } | |
527 | ||
528 | ||
529 | static int brcmf_pcie_exit_download_state(struct brcmf_pciedev_info *devinfo, | |
530 | u32 resetintr) | |
531 | { | |
532 | struct brcmf_core *core; | |
533 | ||
534 | if (devinfo->ci->chip == BRCM_CC_43602_CHIP_ID) { | |
535 | core = brcmf_chip_get_core(devinfo->ci, BCMA_CORE_INTERNAL_MEM); | |
536 | brcmf_chip_resetcore(core, 0, 0, 0); | |
537 | } | |
538 | ||
d380ebc9 | 539 | return !brcmf_chip_set_active(devinfo->ci, resetintr); |
9e37f045 HM |
540 | } |
541 | ||
542 | ||
4eb3af7c | 543 | static int |
9e37f045 HM |
544 | brcmf_pcie_send_mb_data(struct brcmf_pciedev_info *devinfo, u32 htod_mb_data) |
545 | { | |
546 | struct brcmf_pcie_shared_info *shared; | |
547 | u32 addr; | |
548 | u32 cur_htod_mb_data; | |
549 | u32 i; | |
550 | ||
551 | shared = &devinfo->shared; | |
552 | addr = shared->htod_mb_data_addr; | |
553 | cur_htod_mb_data = brcmf_pcie_read_tcm32(devinfo, addr); | |
554 | ||
555 | if (cur_htod_mb_data != 0) | |
556 | brcmf_dbg(PCIE, "MB transaction is already pending 0x%04x\n", | |
557 | cur_htod_mb_data); | |
558 | ||
559 | i = 0; | |
560 | while (cur_htod_mb_data != 0) { | |
561 | msleep(10); | |
562 | i++; | |
563 | if (i > 100) | |
4eb3af7c | 564 | return -EIO; |
9e37f045 HM |
565 | cur_htod_mb_data = brcmf_pcie_read_tcm32(devinfo, addr); |
566 | } | |
567 | ||
568 | brcmf_pcie_write_tcm32(devinfo, addr, htod_mb_data); | |
569 | pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_SBMBX, 1); | |
570 | pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_SBMBX, 1); | |
4eb3af7c HM |
571 | |
572 | return 0; | |
9e37f045 HM |
573 | } |
574 | ||
575 | ||
576 | static void brcmf_pcie_handle_mb_data(struct brcmf_pciedev_info *devinfo) | |
577 | { | |
578 | struct brcmf_pcie_shared_info *shared; | |
579 | u32 addr; | |
580 | u32 dtoh_mb_data; | |
581 | ||
582 | shared = &devinfo->shared; | |
583 | addr = shared->dtoh_mb_data_addr; | |
584 | dtoh_mb_data = brcmf_pcie_read_tcm32(devinfo, addr); | |
585 | ||
586 | if (!dtoh_mb_data) | |
587 | return; | |
588 | ||
589 | brcmf_pcie_write_tcm32(devinfo, addr, 0); | |
590 | ||
591 | brcmf_dbg(PCIE, "D2H_MB_DATA: 0x%04x\n", dtoh_mb_data); | |
592 | if (dtoh_mb_data & BRCMF_D2H_DEV_DS_ENTER_REQ) { | |
593 | brcmf_dbg(PCIE, "D2H_MB_DATA: DEEP SLEEP REQ\n"); | |
594 | brcmf_pcie_send_mb_data(devinfo, BRCMF_H2D_HOST_DS_ACK); | |
595 | brcmf_dbg(PCIE, "D2H_MB_DATA: sent DEEP SLEEP ACK\n"); | |
596 | } | |
597 | if (dtoh_mb_data & BRCMF_D2H_DEV_DS_EXIT_NOTE) | |
598 | brcmf_dbg(PCIE, "D2H_MB_DATA: DEEP SLEEP EXIT\n"); | |
ebcc2f51 | 599 | if (dtoh_mb_data & BRCMF_D2H_DEV_D3_ACK) { |
9e37f045 HM |
600 | brcmf_dbg(PCIE, "D2H_MB_DATA: D3 ACK\n"); |
601 | if (waitqueue_active(&devinfo->mbdata_resp_wait)) { | |
602 | devinfo->mbdata_completed = true; | |
603 | wake_up(&devinfo->mbdata_resp_wait); | |
604 | } | |
ebcc2f51 | 605 | } |
9e37f045 HM |
606 | } |
607 | ||
608 | ||
609 | static void brcmf_pcie_bus_console_init(struct brcmf_pciedev_info *devinfo) | |
610 | { | |
611 | struct brcmf_pcie_shared_info *shared; | |
612 | struct brcmf_pcie_console *console; | |
613 | u32 addr; | |
614 | ||
615 | shared = &devinfo->shared; | |
616 | console = &shared->console; | |
617 | addr = shared->tcm_base_address + BRCMF_SHARED_CONSOLE_ADDR_OFFSET; | |
618 | console->base_addr = brcmf_pcie_read_tcm32(devinfo, addr); | |
619 | ||
620 | addr = console->base_addr + BRCMF_CONSOLE_BUFADDR_OFFSET; | |
621 | console->buf_addr = brcmf_pcie_read_tcm32(devinfo, addr); | |
622 | addr = console->base_addr + BRCMF_CONSOLE_BUFSIZE_OFFSET; | |
623 | console->bufsize = brcmf_pcie_read_tcm32(devinfo, addr); | |
624 | ||
625 | brcmf_dbg(PCIE, "Console: base %x, buf %x, size %d\n", | |
626 | console->base_addr, console->buf_addr, console->bufsize); | |
627 | } | |
628 | ||
629 | ||
630 | static void brcmf_pcie_bus_console_read(struct brcmf_pciedev_info *devinfo) | |
631 | { | |
632 | struct brcmf_pcie_console *console; | |
633 | u32 addr; | |
634 | u8 ch; | |
635 | u32 newidx; | |
636 | ||
637 | console = &devinfo->shared.console; | |
638 | addr = console->base_addr + BRCMF_CONSOLE_WRITEIDX_OFFSET; | |
639 | newidx = brcmf_pcie_read_tcm32(devinfo, addr); | |
640 | while (newidx != console->read_idx) { | |
641 | addr = console->buf_addr + console->read_idx; | |
642 | ch = brcmf_pcie_read_tcm8(devinfo, addr); | |
643 | console->read_idx++; | |
644 | if (console->read_idx == console->bufsize) | |
645 | console->read_idx = 0; | |
646 | if (ch == '\r') | |
647 | continue; | |
648 | console->log_str[console->log_idx] = ch; | |
649 | console->log_idx++; | |
650 | if ((ch != '\n') && | |
651 | (console->log_idx == (sizeof(console->log_str) - 2))) { | |
652 | ch = '\n'; | |
653 | console->log_str[console->log_idx] = ch; | |
654 | console->log_idx++; | |
655 | } | |
9e37f045 HM |
656 | if (ch == '\n') { |
657 | console->log_str[console->log_idx] = 0; | |
ef5671d2 | 658 | brcmf_dbg(PCIE, "CONSOLE: %s", console->log_str); |
9e37f045 HM |
659 | console->log_idx = 0; |
660 | } | |
661 | } | |
662 | } | |
663 | ||
664 | ||
665 | static __used void brcmf_pcie_ringbell_v1(struct brcmf_pciedev_info *devinfo) | |
666 | { | |
667 | u32 reg_value; | |
668 | ||
669 | brcmf_dbg(PCIE, "RING !\n"); | |
670 | reg_value = brcmf_pcie_read_reg32(devinfo, | |
671 | BRCMF_PCIE_PCIE2REG_MAILBOXINT); | |
672 | reg_value |= BRCMF_PCIE2_INTB; | |
673 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT, | |
674 | reg_value); | |
675 | } | |
676 | ||
677 | ||
678 | static void brcmf_pcie_ringbell_v2(struct brcmf_pciedev_info *devinfo) | |
679 | { | |
680 | brcmf_dbg(PCIE, "RING !\n"); | |
681 | /* Any arbitrary value will do, lets use 1 */ | |
682 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_H2D_MAILBOX, 1); | |
683 | } | |
684 | ||
685 | ||
686 | static void brcmf_pcie_intr_disable(struct brcmf_pciedev_info *devinfo) | |
687 | { | |
688 | if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1) | |
689 | pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_INTMASK, | |
690 | 0); | |
691 | else | |
692 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXMASK, | |
693 | 0); | |
694 | } | |
695 | ||
696 | ||
697 | static void brcmf_pcie_intr_enable(struct brcmf_pciedev_info *devinfo) | |
698 | { | |
699 | if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1) | |
700 | pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_INTMASK, | |
701 | BRCMF_PCIE_INT_DEF); | |
702 | else | |
703 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXMASK, | |
704 | BRCMF_PCIE_MB_INT_D2H_DB | | |
705 | BRCMF_PCIE_MB_INT_FN0_0 | | |
706 | BRCMF_PCIE_MB_INT_FN0_1); | |
707 | } | |
708 | ||
709 | ||
710 | static irqreturn_t brcmf_pcie_quick_check_isr_v1(int irq, void *arg) | |
711 | { | |
712 | struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg; | |
713 | u32 status; | |
714 | ||
715 | status = 0; | |
716 | pci_read_config_dword(devinfo->pdev, BRCMF_PCIE_REG_INTSTATUS, &status); | |
717 | if (status) { | |
718 | brcmf_pcie_intr_disable(devinfo); | |
719 | brcmf_dbg(PCIE, "Enter\n"); | |
720 | return IRQ_WAKE_THREAD; | |
721 | } | |
722 | return IRQ_NONE; | |
723 | } | |
724 | ||
725 | ||
726 | static irqreturn_t brcmf_pcie_quick_check_isr_v2(int irq, void *arg) | |
727 | { | |
728 | struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg; | |
729 | ||
730 | if (brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT)) { | |
731 | brcmf_pcie_intr_disable(devinfo); | |
732 | brcmf_dbg(PCIE, "Enter\n"); | |
733 | return IRQ_WAKE_THREAD; | |
734 | } | |
735 | return IRQ_NONE; | |
736 | } | |
737 | ||
738 | ||
739 | static irqreturn_t brcmf_pcie_isr_thread_v1(int irq, void *arg) | |
740 | { | |
741 | struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg; | |
742 | const struct pci_dev *pdev = devinfo->pdev; | |
743 | u32 status; | |
744 | ||
745 | devinfo->in_irq = true; | |
746 | status = 0; | |
747 | pci_read_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, &status); | |
748 | brcmf_dbg(PCIE, "Enter %x\n", status); | |
749 | if (status) { | |
750 | pci_write_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, status); | |
751 | if (devinfo->state == BRCMFMAC_PCIE_STATE_UP) | |
752 | brcmf_proto_msgbuf_rx_trigger(&devinfo->pdev->dev); | |
753 | } | |
754 | if (devinfo->state == BRCMFMAC_PCIE_STATE_UP) | |
755 | brcmf_pcie_intr_enable(devinfo); | |
756 | devinfo->in_irq = false; | |
757 | return IRQ_HANDLED; | |
758 | } | |
759 | ||
760 | ||
761 | static irqreturn_t brcmf_pcie_isr_thread_v2(int irq, void *arg) | |
762 | { | |
763 | struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg; | |
764 | u32 status; | |
765 | ||
766 | devinfo->in_irq = true; | |
767 | status = brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT); | |
768 | brcmf_dbg(PCIE, "Enter %x\n", status); | |
769 | if (status) { | |
770 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT, | |
771 | status); | |
772 | if (status & (BRCMF_PCIE_MB_INT_FN0_0 | | |
773 | BRCMF_PCIE_MB_INT_FN0_1)) | |
774 | brcmf_pcie_handle_mb_data(devinfo); | |
775 | if (status & BRCMF_PCIE_MB_INT_D2H_DB) { | |
776 | if (devinfo->state == BRCMFMAC_PCIE_STATE_UP) | |
777 | brcmf_proto_msgbuf_rx_trigger( | |
778 | &devinfo->pdev->dev); | |
779 | } | |
780 | } | |
781 | brcmf_pcie_bus_console_read(devinfo); | |
782 | if (devinfo->state == BRCMFMAC_PCIE_STATE_UP) | |
783 | brcmf_pcie_intr_enable(devinfo); | |
784 | devinfo->in_irq = false; | |
785 | return IRQ_HANDLED; | |
786 | } | |
787 | ||
788 | ||
789 | static int brcmf_pcie_request_irq(struct brcmf_pciedev_info *devinfo) | |
790 | { | |
791 | struct pci_dev *pdev; | |
792 | ||
793 | pdev = devinfo->pdev; | |
794 | ||
795 | brcmf_pcie_intr_disable(devinfo); | |
796 | ||
797 | brcmf_dbg(PCIE, "Enter\n"); | |
798 | /* is it a v1 or v2 implementation */ | |
799 | devinfo->irq_requested = false; | |
e9efa340 | 800 | pci_enable_msi(pdev); |
9e37f045 HM |
801 | if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1) { |
802 | if (request_threaded_irq(pdev->irq, | |
803 | brcmf_pcie_quick_check_isr_v1, | |
804 | brcmf_pcie_isr_thread_v1, | |
805 | IRQF_SHARED, "brcmf_pcie_intr", | |
806 | devinfo)) { | |
e9efa340 | 807 | pci_disable_msi(pdev); |
9e37f045 HM |
808 | brcmf_err("Failed to request IRQ %d\n", pdev->irq); |
809 | return -EIO; | |
810 | } | |
811 | } else { | |
812 | if (request_threaded_irq(pdev->irq, | |
813 | brcmf_pcie_quick_check_isr_v2, | |
814 | brcmf_pcie_isr_thread_v2, | |
815 | IRQF_SHARED, "brcmf_pcie_intr", | |
816 | devinfo)) { | |
e9efa340 | 817 | pci_disable_msi(pdev); |
9e37f045 HM |
818 | brcmf_err("Failed to request IRQ %d\n", pdev->irq); |
819 | return -EIO; | |
820 | } | |
821 | } | |
822 | devinfo->irq_requested = true; | |
823 | devinfo->irq_allocated = true; | |
824 | return 0; | |
825 | } | |
826 | ||
827 | ||
828 | static void brcmf_pcie_release_irq(struct brcmf_pciedev_info *devinfo) | |
829 | { | |
830 | struct pci_dev *pdev; | |
831 | u32 status; | |
832 | u32 count; | |
833 | ||
834 | if (!devinfo->irq_allocated) | |
835 | return; | |
836 | ||
837 | pdev = devinfo->pdev; | |
838 | ||
839 | brcmf_pcie_intr_disable(devinfo); | |
840 | if (!devinfo->irq_requested) | |
841 | return; | |
842 | devinfo->irq_requested = false; | |
843 | free_irq(pdev->irq, devinfo); | |
e9efa340 | 844 | pci_disable_msi(pdev); |
9e37f045 HM |
845 | |
846 | msleep(50); | |
847 | count = 0; | |
848 | while ((devinfo->in_irq) && (count < 20)) { | |
849 | msleep(50); | |
850 | count++; | |
851 | } | |
852 | if (devinfo->in_irq) | |
853 | brcmf_err("Still in IRQ (processing) !!!\n"); | |
854 | ||
855 | if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1) { | |
856 | status = 0; | |
857 | pci_read_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, &status); | |
858 | pci_write_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, status); | |
859 | } else { | |
860 | status = brcmf_pcie_read_reg32(devinfo, | |
861 | BRCMF_PCIE_PCIE2REG_MAILBOXINT); | |
862 | brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT, | |
863 | status); | |
864 | } | |
865 | devinfo->irq_allocated = false; | |
866 | } | |
867 | ||
868 | ||
869 | static int brcmf_pcie_ring_mb_write_rptr(void *ctx) | |
870 | { | |
871 | struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx; | |
872 | struct brcmf_pciedev_info *devinfo = ring->devinfo; | |
873 | struct brcmf_commonring *commonring = &ring->commonring; | |
874 | ||
875 | if (devinfo->state != BRCMFMAC_PCIE_STATE_UP) | |
876 | return -EIO; | |
877 | ||
878 | brcmf_dbg(PCIE, "W r_ptr %d (%d), ring %d\n", commonring->r_ptr, | |
879 | commonring->w_ptr, ring->id); | |
880 | ||
881 | brcmf_pcie_write_tcm16(devinfo, ring->r_idx_addr, commonring->r_ptr); | |
882 | ||
883 | return 0; | |
884 | } | |
885 | ||
886 | ||
887 | static int brcmf_pcie_ring_mb_write_wptr(void *ctx) | |
888 | { | |
889 | struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx; | |
890 | struct brcmf_pciedev_info *devinfo = ring->devinfo; | |
891 | struct brcmf_commonring *commonring = &ring->commonring; | |
892 | ||
893 | if (devinfo->state != BRCMFMAC_PCIE_STATE_UP) | |
894 | return -EIO; | |
895 | ||
896 | brcmf_dbg(PCIE, "W w_ptr %d (%d), ring %d\n", commonring->w_ptr, | |
897 | commonring->r_ptr, ring->id); | |
898 | ||
899 | brcmf_pcie_write_tcm16(devinfo, ring->w_idx_addr, commonring->w_ptr); | |
900 | ||
901 | return 0; | |
902 | } | |
903 | ||
904 | ||
905 | static int brcmf_pcie_ring_mb_ring_bell(void *ctx) | |
906 | { | |
907 | struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx; | |
908 | struct brcmf_pciedev_info *devinfo = ring->devinfo; | |
909 | ||
910 | if (devinfo->state != BRCMFMAC_PCIE_STATE_UP) | |
911 | return -EIO; | |
912 | ||
913 | devinfo->ringbell(devinfo); | |
914 | ||
915 | return 0; | |
916 | } | |
917 | ||
918 | ||
919 | static int brcmf_pcie_ring_mb_update_rptr(void *ctx) | |
920 | { | |
921 | struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx; | |
922 | struct brcmf_pciedev_info *devinfo = ring->devinfo; | |
923 | struct brcmf_commonring *commonring = &ring->commonring; | |
924 | ||
925 | if (devinfo->state != BRCMFMAC_PCIE_STATE_UP) | |
926 | return -EIO; | |
927 | ||
928 | commonring->r_ptr = brcmf_pcie_read_tcm16(devinfo, ring->r_idx_addr); | |
929 | ||
930 | brcmf_dbg(PCIE, "R r_ptr %d (%d), ring %d\n", commonring->r_ptr, | |
931 | commonring->w_ptr, ring->id); | |
932 | ||
933 | return 0; | |
934 | } | |
935 | ||
936 | ||
937 | static int brcmf_pcie_ring_mb_update_wptr(void *ctx) | |
938 | { | |
939 | struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx; | |
940 | struct brcmf_pciedev_info *devinfo = ring->devinfo; | |
941 | struct brcmf_commonring *commonring = &ring->commonring; | |
942 | ||
943 | if (devinfo->state != BRCMFMAC_PCIE_STATE_UP) | |
944 | return -EIO; | |
945 | ||
946 | commonring->w_ptr = brcmf_pcie_read_tcm16(devinfo, ring->w_idx_addr); | |
947 | ||
948 | brcmf_dbg(PCIE, "R w_ptr %d (%d), ring %d\n", commonring->w_ptr, | |
949 | commonring->r_ptr, ring->id); | |
950 | ||
951 | return 0; | |
952 | } | |
953 | ||
954 | ||
955 | static void * | |
956 | brcmf_pcie_init_dmabuffer_for_device(struct brcmf_pciedev_info *devinfo, | |
957 | u32 size, u32 tcm_dma_phys_addr, | |
958 | dma_addr_t *dma_handle) | |
959 | { | |
960 | void *ring; | |
83297aaa | 961 | u64 address; |
9e37f045 HM |
962 | |
963 | ring = dma_alloc_coherent(&devinfo->pdev->dev, size, dma_handle, | |
964 | GFP_KERNEL); | |
965 | if (!ring) | |
966 | return NULL; | |
967 | ||
83297aaa | 968 | address = (u64)*dma_handle; |
9e37f045 HM |
969 | brcmf_pcie_write_tcm32(devinfo, tcm_dma_phys_addr, |
970 | address & 0xffffffff); | |
971 | brcmf_pcie_write_tcm32(devinfo, tcm_dma_phys_addr + 4, address >> 32); | |
972 | ||
973 | memset(ring, 0, size); | |
974 | ||
975 | return (ring); | |
976 | } | |
977 | ||
978 | ||
979 | static struct brcmf_pcie_ringbuf * | |
980 | brcmf_pcie_alloc_dma_and_ring(struct brcmf_pciedev_info *devinfo, u32 ring_id, | |
981 | u32 tcm_ring_phys_addr) | |
982 | { | |
983 | void *dma_buf; | |
984 | dma_addr_t dma_handle; | |
985 | struct brcmf_pcie_ringbuf *ring; | |
986 | u32 size; | |
987 | u32 addr; | |
988 | ||
989 | size = brcmf_ring_max_item[ring_id] * brcmf_ring_itemsize[ring_id]; | |
990 | dma_buf = brcmf_pcie_init_dmabuffer_for_device(devinfo, size, | |
991 | tcm_ring_phys_addr + BRCMF_RING_MEM_BASE_ADDR_OFFSET, | |
992 | &dma_handle); | |
993 | if (!dma_buf) | |
994 | return NULL; | |
995 | ||
996 | addr = tcm_ring_phys_addr + BRCMF_RING_MAX_ITEM_OFFSET; | |
997 | brcmf_pcie_write_tcm16(devinfo, addr, brcmf_ring_max_item[ring_id]); | |
998 | addr = tcm_ring_phys_addr + BRCMF_RING_LEN_ITEMS_OFFSET; | |
999 | brcmf_pcie_write_tcm16(devinfo, addr, brcmf_ring_itemsize[ring_id]); | |
1000 | ||
1001 | ring = kzalloc(sizeof(*ring), GFP_KERNEL); | |
1002 | if (!ring) { | |
1003 | dma_free_coherent(&devinfo->pdev->dev, size, dma_buf, | |
1004 | dma_handle); | |
1005 | return NULL; | |
1006 | } | |
1007 | brcmf_commonring_config(&ring->commonring, brcmf_ring_max_item[ring_id], | |
1008 | brcmf_ring_itemsize[ring_id], dma_buf); | |
1009 | ring->dma_handle = dma_handle; | |
1010 | ring->devinfo = devinfo; | |
1011 | brcmf_commonring_register_cb(&ring->commonring, | |
1012 | brcmf_pcie_ring_mb_ring_bell, | |
1013 | brcmf_pcie_ring_mb_update_rptr, | |
1014 | brcmf_pcie_ring_mb_update_wptr, | |
1015 | brcmf_pcie_ring_mb_write_rptr, | |
1016 | brcmf_pcie_ring_mb_write_wptr, ring); | |
1017 | ||
1018 | return (ring); | |
1019 | } | |
1020 | ||
1021 | ||
1022 | static void brcmf_pcie_release_ringbuffer(struct device *dev, | |
1023 | struct brcmf_pcie_ringbuf *ring) | |
1024 | { | |
1025 | void *dma_buf; | |
1026 | u32 size; | |
1027 | ||
1028 | if (!ring) | |
1029 | return; | |
1030 | ||
1031 | dma_buf = ring->commonring.buf_addr; | |
1032 | if (dma_buf) { | |
1033 | size = ring->commonring.depth * ring->commonring.item_len; | |
1034 | dma_free_coherent(dev, size, dma_buf, ring->dma_handle); | |
1035 | } | |
1036 | kfree(ring); | |
1037 | } | |
1038 | ||
1039 | ||
1040 | static void brcmf_pcie_release_ringbuffers(struct brcmf_pciedev_info *devinfo) | |
1041 | { | |
1042 | u32 i; | |
1043 | ||
1044 | for (i = 0; i < BRCMF_NROF_COMMON_MSGRINGS; i++) { | |
1045 | brcmf_pcie_release_ringbuffer(&devinfo->pdev->dev, | |
1046 | devinfo->shared.commonrings[i]); | |
1047 | devinfo->shared.commonrings[i] = NULL; | |
1048 | } | |
1049 | kfree(devinfo->shared.flowrings); | |
1050 | devinfo->shared.flowrings = NULL; | |
1051 | } | |
1052 | ||
1053 | ||
1054 | static int brcmf_pcie_init_ringbuffers(struct brcmf_pciedev_info *devinfo) | |
1055 | { | |
1056 | struct brcmf_pcie_ringbuf *ring; | |
1057 | struct brcmf_pcie_ringbuf *rings; | |
1058 | u32 ring_addr; | |
1059 | u32 d2h_w_idx_ptr; | |
1060 | u32 d2h_r_idx_ptr; | |
1061 | u32 h2d_w_idx_ptr; | |
1062 | u32 h2d_r_idx_ptr; | |
1063 | u32 addr; | |
1064 | u32 ring_mem_ptr; | |
1065 | u32 i; | |
1066 | u16 max_sub_queues; | |
1067 | ||
1068 | ring_addr = devinfo->shared.ring_info_addr; | |
1069 | brcmf_dbg(PCIE, "Base ring addr = 0x%08x\n", ring_addr); | |
1070 | ||
1071 | addr = ring_addr + BRCMF_SHARED_RING_D2H_W_IDX_PTR_OFFSET; | |
1072 | d2h_w_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr); | |
1073 | addr = ring_addr + BRCMF_SHARED_RING_D2H_R_IDX_PTR_OFFSET; | |
1074 | d2h_r_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr); | |
1075 | addr = ring_addr + BRCMF_SHARED_RING_H2D_W_IDX_PTR_OFFSET; | |
1076 | h2d_w_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr); | |
1077 | addr = ring_addr + BRCMF_SHARED_RING_H2D_R_IDX_PTR_OFFSET; | |
1078 | h2d_r_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr); | |
1079 | ||
1080 | addr = ring_addr + BRCMF_SHARED_RING_TCM_MEMLOC_OFFSET; | |
1081 | ring_mem_ptr = brcmf_pcie_read_tcm32(devinfo, addr); | |
1082 | ||
1083 | for (i = 0; i < BRCMF_NROF_H2D_COMMON_MSGRINGS; i++) { | |
1084 | ring = brcmf_pcie_alloc_dma_and_ring(devinfo, i, ring_mem_ptr); | |
1085 | if (!ring) | |
1086 | goto fail; | |
1087 | ring->w_idx_addr = h2d_w_idx_ptr; | |
1088 | ring->r_idx_addr = h2d_r_idx_ptr; | |
1089 | ring->id = i; | |
1090 | devinfo->shared.commonrings[i] = ring; | |
1091 | ||
1092 | h2d_w_idx_ptr += sizeof(u32); | |
1093 | h2d_r_idx_ptr += sizeof(u32); | |
1094 | ring_mem_ptr += BRCMF_RING_MEM_SZ; | |
1095 | } | |
1096 | ||
1097 | for (i = BRCMF_NROF_H2D_COMMON_MSGRINGS; | |
1098 | i < BRCMF_NROF_COMMON_MSGRINGS; i++) { | |
1099 | ring = brcmf_pcie_alloc_dma_and_ring(devinfo, i, ring_mem_ptr); | |
1100 | if (!ring) | |
1101 | goto fail; | |
1102 | ring->w_idx_addr = d2h_w_idx_ptr; | |
1103 | ring->r_idx_addr = d2h_r_idx_ptr; | |
1104 | ring->id = i; | |
1105 | devinfo->shared.commonrings[i] = ring; | |
1106 | ||
1107 | d2h_w_idx_ptr += sizeof(u32); | |
1108 | d2h_r_idx_ptr += sizeof(u32); | |
1109 | ring_mem_ptr += BRCMF_RING_MEM_SZ; | |
1110 | } | |
1111 | ||
1112 | addr = ring_addr + BRCMF_SHARED_RING_MAX_SUB_QUEUES; | |
1113 | max_sub_queues = brcmf_pcie_read_tcm16(devinfo, addr); | |
1114 | devinfo->shared.nrof_flowrings = | |
1115 | max_sub_queues - BRCMF_NROF_H2D_COMMON_MSGRINGS; | |
1116 | rings = kcalloc(devinfo->shared.nrof_flowrings, sizeof(*ring), | |
1117 | GFP_KERNEL); | |
1118 | if (!rings) | |
1119 | goto fail; | |
1120 | ||
1121 | brcmf_dbg(PCIE, "Nr of flowrings is %d\n", | |
1122 | devinfo->shared.nrof_flowrings); | |
1123 | ||
1124 | for (i = 0; i < devinfo->shared.nrof_flowrings; i++) { | |
1125 | ring = &rings[i]; | |
1126 | ring->devinfo = devinfo; | |
1127 | ring->id = i + BRCMF_NROF_COMMON_MSGRINGS; | |
1128 | brcmf_commonring_register_cb(&ring->commonring, | |
1129 | brcmf_pcie_ring_mb_ring_bell, | |
1130 | brcmf_pcie_ring_mb_update_rptr, | |
1131 | brcmf_pcie_ring_mb_update_wptr, | |
1132 | brcmf_pcie_ring_mb_write_rptr, | |
1133 | brcmf_pcie_ring_mb_write_wptr, | |
1134 | ring); | |
1135 | ring->w_idx_addr = h2d_w_idx_ptr; | |
1136 | ring->r_idx_addr = h2d_r_idx_ptr; | |
1137 | h2d_w_idx_ptr += sizeof(u32); | |
1138 | h2d_r_idx_ptr += sizeof(u32); | |
1139 | } | |
1140 | devinfo->shared.flowrings = rings; | |
1141 | ||
1142 | return 0; | |
1143 | ||
1144 | fail: | |
1145 | brcmf_err("Allocating commonring buffers failed\n"); | |
1146 | brcmf_pcie_release_ringbuffers(devinfo); | |
1147 | return -ENOMEM; | |
1148 | } | |
1149 | ||
1150 | ||
1151 | static void | |
1152 | brcmf_pcie_release_scratchbuffers(struct brcmf_pciedev_info *devinfo) | |
1153 | { | |
1154 | if (devinfo->shared.scratch) | |
1155 | dma_free_coherent(&devinfo->pdev->dev, | |
1156 | BRCMF_DMA_D2H_SCRATCH_BUF_LEN, | |
1157 | devinfo->shared.scratch, | |
1158 | devinfo->shared.scratch_dmahandle); | |
1159 | if (devinfo->shared.ringupd) | |
1160 | dma_free_coherent(&devinfo->pdev->dev, | |
1161 | BRCMF_DMA_D2H_RINGUPD_BUF_LEN, | |
1162 | devinfo->shared.ringupd, | |
1163 | devinfo->shared.ringupd_dmahandle); | |
1164 | } | |
1165 | ||
1166 | static int brcmf_pcie_init_scratchbuffers(struct brcmf_pciedev_info *devinfo) | |
1167 | { | |
83297aaa | 1168 | u64 address; |
9e37f045 HM |
1169 | u32 addr; |
1170 | ||
1171 | devinfo->shared.scratch = dma_alloc_coherent(&devinfo->pdev->dev, | |
1172 | BRCMF_DMA_D2H_SCRATCH_BUF_LEN, | |
1173 | &devinfo->shared.scratch_dmahandle, GFP_KERNEL); | |
1174 | if (!devinfo->shared.scratch) | |
1175 | goto fail; | |
1176 | ||
1177 | memset(devinfo->shared.scratch, 0, BRCMF_DMA_D2H_SCRATCH_BUF_LEN); | |
1178 | brcmf_dma_flush(devinfo->shared.scratch, BRCMF_DMA_D2H_SCRATCH_BUF_LEN); | |
1179 | ||
1180 | addr = devinfo->shared.tcm_base_address + | |
1181 | BRCMF_SHARED_DMA_SCRATCH_ADDR_OFFSET; | |
83297aaa | 1182 | address = (u64)devinfo->shared.scratch_dmahandle; |
9e37f045 HM |
1183 | brcmf_pcie_write_tcm32(devinfo, addr, address & 0xffffffff); |
1184 | brcmf_pcie_write_tcm32(devinfo, addr + 4, address >> 32); | |
1185 | addr = devinfo->shared.tcm_base_address + | |
1186 | BRCMF_SHARED_DMA_SCRATCH_LEN_OFFSET; | |
1187 | brcmf_pcie_write_tcm32(devinfo, addr, BRCMF_DMA_D2H_SCRATCH_BUF_LEN); | |
1188 | ||
1189 | devinfo->shared.ringupd = dma_alloc_coherent(&devinfo->pdev->dev, | |
1190 | BRCMF_DMA_D2H_RINGUPD_BUF_LEN, | |
1191 | &devinfo->shared.ringupd_dmahandle, GFP_KERNEL); | |
1192 | if (!devinfo->shared.ringupd) | |
1193 | goto fail; | |
1194 | ||
1195 | memset(devinfo->shared.ringupd, 0, BRCMF_DMA_D2H_RINGUPD_BUF_LEN); | |
1196 | brcmf_dma_flush(devinfo->shared.ringupd, BRCMF_DMA_D2H_RINGUPD_BUF_LEN); | |
1197 | ||
1198 | addr = devinfo->shared.tcm_base_address + | |
1199 | BRCMF_SHARED_DMA_RINGUPD_ADDR_OFFSET; | |
83297aaa | 1200 | address = (u64)devinfo->shared.ringupd_dmahandle; |
9e37f045 HM |
1201 | brcmf_pcie_write_tcm32(devinfo, addr, address & 0xffffffff); |
1202 | brcmf_pcie_write_tcm32(devinfo, addr + 4, address >> 32); | |
1203 | addr = devinfo->shared.tcm_base_address + | |
1204 | BRCMF_SHARED_DMA_RINGUPD_LEN_OFFSET; | |
1205 | brcmf_pcie_write_tcm32(devinfo, addr, BRCMF_DMA_D2H_RINGUPD_BUF_LEN); | |
1206 | return 0; | |
1207 | ||
1208 | fail: | |
1209 | brcmf_err("Allocating scratch buffers failed\n"); | |
1210 | brcmf_pcie_release_scratchbuffers(devinfo); | |
1211 | return -ENOMEM; | |
1212 | } | |
1213 | ||
1214 | ||
1215 | static void brcmf_pcie_down(struct device *dev) | |
1216 | { | |
1217 | } | |
1218 | ||
1219 | ||
1220 | static int brcmf_pcie_tx(struct device *dev, struct sk_buff *skb) | |
1221 | { | |
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | ||
1226 | static int brcmf_pcie_tx_ctlpkt(struct device *dev, unsigned char *msg, | |
1227 | uint len) | |
1228 | { | |
1229 | return 0; | |
1230 | } | |
1231 | ||
1232 | ||
1233 | static int brcmf_pcie_rx_ctlpkt(struct device *dev, unsigned char *msg, | |
1234 | uint len) | |
1235 | { | |
1236 | return 0; | |
1237 | } | |
1238 | ||
1239 | ||
4eb3af7c HM |
1240 | static void brcmf_pcie_wowl_config(struct device *dev, bool enabled) |
1241 | { | |
1242 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
1243 | struct brcmf_pciedev *buspub = bus_if->bus_priv.pcie; | |
1244 | struct brcmf_pciedev_info *devinfo = buspub->devinfo; | |
1245 | ||
1246 | brcmf_dbg(PCIE, "Configuring WOWL, enabled=%d\n", enabled); | |
1247 | devinfo->wowl_enabled = enabled; | |
1248 | if (enabled) | |
1249 | device_set_wakeup_enable(&devinfo->pdev->dev, true); | |
1250 | else | |
1251 | device_set_wakeup_enable(&devinfo->pdev->dev, false); | |
1252 | } | |
1253 | ||
1254 | ||
9e37f045 HM |
1255 | static struct brcmf_bus_ops brcmf_pcie_bus_ops = { |
1256 | .txdata = brcmf_pcie_tx, | |
1257 | .stop = brcmf_pcie_down, | |
1258 | .txctl = brcmf_pcie_tx_ctlpkt, | |
1259 | .rxctl = brcmf_pcie_rx_ctlpkt, | |
4eb3af7c | 1260 | .wowl_config = brcmf_pcie_wowl_config, |
9e37f045 HM |
1261 | }; |
1262 | ||
1263 | ||
1264 | static int | |
1265 | brcmf_pcie_init_share_ram_info(struct brcmf_pciedev_info *devinfo, | |
1266 | u32 sharedram_addr) | |
1267 | { | |
1268 | struct brcmf_pcie_shared_info *shared; | |
1269 | u32 addr; | |
1270 | u32 version; | |
1271 | ||
1272 | shared = &devinfo->shared; | |
1273 | shared->tcm_base_address = sharedram_addr; | |
1274 | ||
1275 | shared->flags = brcmf_pcie_read_tcm32(devinfo, sharedram_addr); | |
1276 | version = shared->flags & BRCMF_PCIE_SHARED_VERSION_MASK; | |
1277 | brcmf_dbg(PCIE, "PCIe protocol version %d\n", version); | |
1278 | if ((version > BRCMF_PCIE_MAX_SHARED_VERSION) || | |
1279 | (version < BRCMF_PCIE_MIN_SHARED_VERSION)) { | |
1280 | brcmf_err("Unsupported PCIE version %d\n", version); | |
1281 | return -EINVAL; | |
1282 | } | |
1283 | if (shared->flags & BRCMF_PCIE_SHARED_TXPUSH_SUPPORT) { | |
1284 | brcmf_err("Unsupported legacy TX mode 0x%x\n", | |
1285 | shared->flags & BRCMF_PCIE_SHARED_TXPUSH_SUPPORT); | |
1286 | return -EINVAL; | |
1287 | } | |
1288 | ||
1289 | addr = sharedram_addr + BRCMF_SHARED_MAX_RXBUFPOST_OFFSET; | |
1290 | shared->max_rxbufpost = brcmf_pcie_read_tcm16(devinfo, addr); | |
1291 | if (shared->max_rxbufpost == 0) | |
1292 | shared->max_rxbufpost = BRCMF_DEF_MAX_RXBUFPOST; | |
1293 | ||
1294 | addr = sharedram_addr + BRCMF_SHARED_RX_DATAOFFSET_OFFSET; | |
1295 | shared->rx_dataoffset = brcmf_pcie_read_tcm32(devinfo, addr); | |
1296 | ||
1297 | addr = sharedram_addr + BRCMF_SHARED_HTOD_MB_DATA_ADDR_OFFSET; | |
1298 | shared->htod_mb_data_addr = brcmf_pcie_read_tcm32(devinfo, addr); | |
1299 | ||
1300 | addr = sharedram_addr + BRCMF_SHARED_DTOH_MB_DATA_ADDR_OFFSET; | |
1301 | shared->dtoh_mb_data_addr = brcmf_pcie_read_tcm32(devinfo, addr); | |
1302 | ||
1303 | addr = sharedram_addr + BRCMF_SHARED_RING_INFO_ADDR_OFFSET; | |
1304 | shared->ring_info_addr = brcmf_pcie_read_tcm32(devinfo, addr); | |
1305 | ||
1306 | brcmf_dbg(PCIE, "max rx buf post %d, rx dataoffset %d\n", | |
1307 | shared->max_rxbufpost, shared->rx_dataoffset); | |
1308 | ||
1309 | brcmf_pcie_bus_console_init(devinfo); | |
1310 | ||
1311 | return 0; | |
1312 | } | |
1313 | ||
1314 | ||
1315 | static int brcmf_pcie_get_fwnames(struct brcmf_pciedev_info *devinfo) | |
1316 | { | |
1317 | char *fw_name; | |
1318 | char *nvram_name; | |
1319 | uint fw_len, nv_len; | |
1320 | char end; | |
1321 | ||
1322 | brcmf_dbg(PCIE, "Enter, chip 0x%04x chiprev %d\n", devinfo->ci->chip, | |
1323 | devinfo->ci->chiprev); | |
1324 | ||
1325 | switch (devinfo->ci->chip) { | |
1326 | case BRCM_CC_43602_CHIP_ID: | |
1327 | fw_name = BRCMF_PCIE_43602_FW_NAME; | |
1328 | nvram_name = BRCMF_PCIE_43602_NVRAM_NAME; | |
1329 | break; | |
9e37f045 HM |
1330 | case BRCM_CC_4356_CHIP_ID: |
1331 | fw_name = BRCMF_PCIE_4356_FW_NAME; | |
1332 | nvram_name = BRCMF_PCIE_4356_NVRAM_NAME; | |
1333 | break; | |
1334 | case BRCM_CC_43567_CHIP_ID: | |
1335 | case BRCM_CC_43569_CHIP_ID: | |
1336 | case BRCM_CC_43570_CHIP_ID: | |
1337 | fw_name = BRCMF_PCIE_43570_FW_NAME; | |
1338 | nvram_name = BRCMF_PCIE_43570_NVRAM_NAME; | |
1339 | break; | |
67f3b6a3 AS |
1340 | case BRCM_CC_4358_CHIP_ID: |
1341 | fw_name = BRCMF_PCIE_4358_FW_NAME; | |
1342 | nvram_name = BRCMF_PCIE_4358_NVRAM_NAME; | |
1343 | break; | |
9e37f045 HM |
1344 | default: |
1345 | brcmf_err("Unsupported chip 0x%04x\n", devinfo->ci->chip); | |
1346 | return -ENODEV; | |
1347 | } | |
1348 | ||
1349 | fw_len = sizeof(devinfo->fw_name) - 1; | |
1350 | nv_len = sizeof(devinfo->nvram_name) - 1; | |
1351 | /* check if firmware path is provided by module parameter */ | |
1352 | if (brcmf_firmware_path[0] != '\0') { | |
1353 | strncpy(devinfo->fw_name, brcmf_firmware_path, fw_len); | |
1354 | strncpy(devinfo->nvram_name, brcmf_firmware_path, nv_len); | |
1355 | fw_len -= strlen(devinfo->fw_name); | |
1356 | nv_len -= strlen(devinfo->nvram_name); | |
1357 | ||
1358 | end = brcmf_firmware_path[strlen(brcmf_firmware_path) - 1]; | |
1359 | if (end != '/') { | |
1360 | strncat(devinfo->fw_name, "/", fw_len); | |
1361 | strncat(devinfo->nvram_name, "/", nv_len); | |
1362 | fw_len--; | |
1363 | nv_len--; | |
1364 | } | |
1365 | } | |
1366 | strncat(devinfo->fw_name, fw_name, fw_len); | |
1367 | strncat(devinfo->nvram_name, nvram_name, nv_len); | |
1368 | ||
1369 | return 0; | |
1370 | } | |
1371 | ||
1372 | ||
1373 | static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo, | |
1374 | const struct firmware *fw, void *nvram, | |
1375 | u32 nvram_len) | |
1376 | { | |
1377 | u32 sharedram_addr; | |
1378 | u32 sharedram_addr_written; | |
1379 | u32 loop_counter; | |
1380 | int err; | |
1381 | u32 address; | |
1382 | u32 resetintr; | |
1383 | ||
1384 | devinfo->ringbell = brcmf_pcie_ringbell_v2; | |
1385 | devinfo->generic_corerev = BRCMF_PCIE_GENREV2; | |
1386 | ||
1387 | brcmf_dbg(PCIE, "Halt ARM.\n"); | |
1388 | err = brcmf_pcie_enter_download_state(devinfo); | |
1389 | if (err) | |
1390 | return err; | |
1391 | ||
1392 | brcmf_dbg(PCIE, "Download FW %s\n", devinfo->fw_name); | |
1393 | brcmf_pcie_copy_mem_todev(devinfo, devinfo->ci->rambase, | |
1394 | (void *)fw->data, fw->size); | |
1395 | ||
1396 | resetintr = get_unaligned_le32(fw->data); | |
1397 | release_firmware(fw); | |
1398 | ||
1399 | /* reset last 4 bytes of RAM address. to be used for shared | |
1400 | * area. This identifies when FW is running | |
1401 | */ | |
1402 | brcmf_pcie_write_ram32(devinfo, devinfo->ci->ramsize - 4, 0); | |
1403 | ||
1404 | if (nvram) { | |
1405 | brcmf_dbg(PCIE, "Download NVRAM %s\n", devinfo->nvram_name); | |
1406 | address = devinfo->ci->rambase + devinfo->ci->ramsize - | |
1407 | nvram_len; | |
1408 | brcmf_pcie_copy_mem_todev(devinfo, address, nvram, nvram_len); | |
1409 | brcmf_fw_nvram_free(nvram); | |
1410 | } else { | |
1411 | brcmf_dbg(PCIE, "No matching NVRAM file found %s\n", | |
1412 | devinfo->nvram_name); | |
1413 | } | |
1414 | ||
1415 | sharedram_addr_written = brcmf_pcie_read_ram32(devinfo, | |
1416 | devinfo->ci->ramsize - | |
1417 | 4); | |
1418 | brcmf_dbg(PCIE, "Bring ARM in running state\n"); | |
1419 | err = brcmf_pcie_exit_download_state(devinfo, resetintr); | |
1420 | if (err) | |
1421 | return err; | |
1422 | ||
1423 | brcmf_dbg(PCIE, "Wait for FW init\n"); | |
1424 | sharedram_addr = sharedram_addr_written; | |
1425 | loop_counter = BRCMF_PCIE_FW_UP_TIMEOUT / 50; | |
1426 | while ((sharedram_addr == sharedram_addr_written) && (loop_counter)) { | |
1427 | msleep(50); | |
1428 | sharedram_addr = brcmf_pcie_read_ram32(devinfo, | |
1429 | devinfo->ci->ramsize - | |
1430 | 4); | |
1431 | loop_counter--; | |
1432 | } | |
1433 | if (sharedram_addr == sharedram_addr_written) { | |
1434 | brcmf_err("FW failed to initialize\n"); | |
1435 | return -ENODEV; | |
1436 | } | |
1437 | brcmf_dbg(PCIE, "Shared RAM addr: 0x%08x\n", sharedram_addr); | |
1438 | ||
1439 | return (brcmf_pcie_init_share_ram_info(devinfo, sharedram_addr)); | |
1440 | } | |
1441 | ||
1442 | ||
1443 | static int brcmf_pcie_get_resource(struct brcmf_pciedev_info *devinfo) | |
1444 | { | |
1445 | struct pci_dev *pdev; | |
1446 | int err; | |
1447 | phys_addr_t bar0_addr, bar1_addr; | |
1448 | ulong bar1_size; | |
1449 | ||
1450 | pdev = devinfo->pdev; | |
1451 | ||
1452 | err = pci_enable_device(pdev); | |
1453 | if (err) { | |
1454 | brcmf_err("pci_enable_device failed err=%d\n", err); | |
1455 | return err; | |
1456 | } | |
1457 | ||
1458 | pci_set_master(pdev); | |
1459 | ||
1460 | /* Bar-0 mapped address */ | |
1461 | bar0_addr = pci_resource_start(pdev, 0); | |
1462 | /* Bar-1 mapped address */ | |
1463 | bar1_addr = pci_resource_start(pdev, 2); | |
1464 | /* read Bar-1 mapped memory range */ | |
1465 | bar1_size = pci_resource_len(pdev, 2); | |
1466 | if ((bar1_size == 0) || (bar1_addr == 0)) { | |
1467 | brcmf_err("BAR1 Not enabled, device size=%ld, addr=%#016llx\n", | |
1468 | bar1_size, (unsigned long long)bar1_addr); | |
1469 | return -EINVAL; | |
1470 | } | |
1471 | ||
1472 | devinfo->regs = ioremap_nocache(bar0_addr, BRCMF_PCIE_REG_MAP_SIZE); | |
1473 | devinfo->tcm = ioremap_nocache(bar1_addr, BRCMF_PCIE_TCM_MAP_SIZE); | |
1474 | devinfo->tcm_size = BRCMF_PCIE_TCM_MAP_SIZE; | |
1475 | ||
1476 | if (!devinfo->regs || !devinfo->tcm) { | |
1477 | brcmf_err("ioremap() failed (%p,%p)\n", devinfo->regs, | |
1478 | devinfo->tcm); | |
1479 | return -EINVAL; | |
1480 | } | |
1481 | brcmf_dbg(PCIE, "Phys addr : reg space = %p base addr %#016llx\n", | |
1482 | devinfo->regs, (unsigned long long)bar0_addr); | |
1483 | brcmf_dbg(PCIE, "Phys addr : mem space = %p base addr %#016llx\n", | |
1484 | devinfo->tcm, (unsigned long long)bar1_addr); | |
1485 | ||
1486 | return 0; | |
1487 | } | |
1488 | ||
1489 | ||
1490 | static void brcmf_pcie_release_resource(struct brcmf_pciedev_info *devinfo) | |
1491 | { | |
1492 | if (devinfo->tcm) | |
1493 | iounmap(devinfo->tcm); | |
1494 | if (devinfo->regs) | |
1495 | iounmap(devinfo->regs); | |
1496 | ||
1497 | pci_disable_device(devinfo->pdev); | |
1498 | } | |
1499 | ||
1500 | ||
1501 | static int brcmf_pcie_attach_bus(struct device *dev) | |
1502 | { | |
1503 | int ret; | |
1504 | ||
1505 | /* Attach to the common driver interface */ | |
1506 | ret = brcmf_attach(dev); | |
1507 | if (ret) { | |
1508 | brcmf_err("brcmf_attach failed\n"); | |
1509 | } else { | |
1510 | ret = brcmf_bus_start(dev); | |
1511 | if (ret) | |
1512 | brcmf_err("dongle is not responding\n"); | |
1513 | } | |
1514 | ||
1515 | return ret; | |
1516 | } | |
1517 | ||
1518 | ||
1519 | static u32 brcmf_pcie_buscore_prep_addr(const struct pci_dev *pdev, u32 addr) | |
1520 | { | |
1521 | u32 ret_addr; | |
1522 | ||
1523 | ret_addr = addr & (BRCMF_PCIE_BAR0_REG_SIZE - 1); | |
1524 | addr &= ~(BRCMF_PCIE_BAR0_REG_SIZE - 1); | |
1525 | pci_write_config_dword(pdev, BRCMF_PCIE_BAR0_WINDOW, addr); | |
1526 | ||
1527 | return ret_addr; | |
1528 | } | |
1529 | ||
1530 | ||
1531 | static u32 brcmf_pcie_buscore_read32(void *ctx, u32 addr) | |
1532 | { | |
1533 | struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx; | |
1534 | ||
1535 | addr = brcmf_pcie_buscore_prep_addr(devinfo->pdev, addr); | |
1536 | return brcmf_pcie_read_reg32(devinfo, addr); | |
1537 | } | |
1538 | ||
1539 | ||
1540 | static void brcmf_pcie_buscore_write32(void *ctx, u32 addr, u32 value) | |
1541 | { | |
1542 | struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx; | |
1543 | ||
1544 | addr = brcmf_pcie_buscore_prep_addr(devinfo->pdev, addr); | |
1545 | brcmf_pcie_write_reg32(devinfo, addr, value); | |
1546 | } | |
1547 | ||
1548 | ||
1549 | static int brcmf_pcie_buscoreprep(void *ctx) | |
1550 | { | |
1551 | struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx; | |
1552 | int err; | |
1553 | ||
1554 | err = brcmf_pcie_get_resource(devinfo); | |
1555 | if (err == 0) { | |
1556 | /* Set CC watchdog to reset all the cores on the chip to bring | |
1557 | * back dongle to a sane state. | |
1558 | */ | |
1559 | brcmf_pcie_buscore_write32(ctx, CORE_CC_REG(SI_ENUM_BASE, | |
1560 | watchdog), 4); | |
1561 | msleep(100); | |
1562 | } | |
1563 | ||
1564 | return err; | |
1565 | } | |
1566 | ||
1567 | ||
d380ebc9 AS |
1568 | static void brcmf_pcie_buscore_activate(void *ctx, struct brcmf_chip *chip, |
1569 | u32 rstvec) | |
9e37f045 HM |
1570 | { |
1571 | struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx; | |
1572 | ||
1573 | brcmf_pcie_write_tcm32(devinfo, 0, rstvec); | |
1574 | } | |
1575 | ||
1576 | ||
1577 | static const struct brcmf_buscore_ops brcmf_pcie_buscore_ops = { | |
1578 | .prepare = brcmf_pcie_buscoreprep, | |
d380ebc9 | 1579 | .activate = brcmf_pcie_buscore_activate, |
9e37f045 HM |
1580 | .read32 = brcmf_pcie_buscore_read32, |
1581 | .write32 = brcmf_pcie_buscore_write32, | |
1582 | }; | |
1583 | ||
1584 | static void brcmf_pcie_setup(struct device *dev, const struct firmware *fw, | |
1585 | void *nvram, u32 nvram_len) | |
1586 | { | |
1587 | struct brcmf_bus *bus = dev_get_drvdata(dev); | |
1588 | struct brcmf_pciedev *pcie_bus_dev = bus->bus_priv.pcie; | |
1589 | struct brcmf_pciedev_info *devinfo = pcie_bus_dev->devinfo; | |
1590 | struct brcmf_commonring **flowrings; | |
1591 | int ret; | |
1592 | u32 i; | |
1593 | ||
1594 | brcmf_pcie_attach(devinfo); | |
1595 | ||
1596 | ret = brcmf_pcie_download_fw_nvram(devinfo, fw, nvram, nvram_len); | |
1597 | if (ret) | |
1598 | goto fail; | |
1599 | ||
1600 | devinfo->state = BRCMFMAC_PCIE_STATE_UP; | |
1601 | ||
1602 | ret = brcmf_pcie_init_ringbuffers(devinfo); | |
1603 | if (ret) | |
1604 | goto fail; | |
1605 | ||
1606 | ret = brcmf_pcie_init_scratchbuffers(devinfo); | |
1607 | if (ret) | |
1608 | goto fail; | |
1609 | ||
1610 | brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); | |
1611 | ret = brcmf_pcie_request_irq(devinfo); | |
1612 | if (ret) | |
1613 | goto fail; | |
1614 | ||
1615 | /* hook the commonrings in the bus structure. */ | |
1616 | for (i = 0; i < BRCMF_NROF_COMMON_MSGRINGS; i++) | |
1617 | bus->msgbuf->commonrings[i] = | |
1618 | &devinfo->shared.commonrings[i]->commonring; | |
1619 | ||
d5c5181c | 1620 | flowrings = kcalloc(devinfo->shared.nrof_flowrings, sizeof(*flowrings), |
9e37f045 HM |
1621 | GFP_KERNEL); |
1622 | if (!flowrings) | |
1623 | goto fail; | |
1624 | ||
1625 | for (i = 0; i < devinfo->shared.nrof_flowrings; i++) | |
1626 | flowrings[i] = &devinfo->shared.flowrings[i].commonring; | |
1627 | bus->msgbuf->flowrings = flowrings; | |
1628 | ||
1629 | bus->msgbuf->rx_dataoffset = devinfo->shared.rx_dataoffset; | |
1630 | bus->msgbuf->max_rxbufpost = devinfo->shared.max_rxbufpost; | |
1631 | bus->msgbuf->nrof_flowrings = devinfo->shared.nrof_flowrings; | |
1632 | ||
1633 | init_waitqueue_head(&devinfo->mbdata_resp_wait); | |
1634 | ||
1635 | brcmf_pcie_intr_enable(devinfo); | |
1636 | if (brcmf_pcie_attach_bus(bus->dev) == 0) | |
1637 | return; | |
1638 | ||
1639 | brcmf_pcie_bus_console_read(devinfo); | |
1640 | ||
1641 | fail: | |
1642 | device_release_driver(dev); | |
1643 | } | |
1644 | ||
1645 | static int | |
1646 | brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
1647 | { | |
1648 | int ret; | |
1649 | struct brcmf_pciedev_info *devinfo; | |
1650 | struct brcmf_pciedev *pcie_bus_dev; | |
1651 | struct brcmf_bus *bus; | |
c4365534 HM |
1652 | u16 domain_nr; |
1653 | u16 bus_nr; | |
9e37f045 | 1654 | |
c4365534 HM |
1655 | domain_nr = pci_domain_nr(pdev->bus) + 1; |
1656 | bus_nr = pdev->bus->number; | |
1657 | brcmf_dbg(PCIE, "Enter %x:%x (%d/%d)\n", pdev->vendor, pdev->device, | |
1658 | domain_nr, bus_nr); | |
9e37f045 HM |
1659 | |
1660 | ret = -ENOMEM; | |
1661 | devinfo = kzalloc(sizeof(*devinfo), GFP_KERNEL); | |
1662 | if (devinfo == NULL) | |
1663 | return ret; | |
1664 | ||
1665 | devinfo->pdev = pdev; | |
1666 | pcie_bus_dev = NULL; | |
1667 | devinfo->ci = brcmf_chip_attach(devinfo, &brcmf_pcie_buscore_ops); | |
1668 | if (IS_ERR(devinfo->ci)) { | |
1669 | ret = PTR_ERR(devinfo->ci); | |
1670 | devinfo->ci = NULL; | |
1671 | goto fail; | |
1672 | } | |
1673 | ||
1674 | pcie_bus_dev = kzalloc(sizeof(*pcie_bus_dev), GFP_KERNEL); | |
1675 | if (pcie_bus_dev == NULL) { | |
1676 | ret = -ENOMEM; | |
1677 | goto fail; | |
1678 | } | |
1679 | ||
1680 | bus = kzalloc(sizeof(*bus), GFP_KERNEL); | |
1681 | if (!bus) { | |
1682 | ret = -ENOMEM; | |
1683 | goto fail; | |
1684 | } | |
1685 | bus->msgbuf = kzalloc(sizeof(*bus->msgbuf), GFP_KERNEL); | |
1686 | if (!bus->msgbuf) { | |
1687 | ret = -ENOMEM; | |
1688 | kfree(bus); | |
1689 | goto fail; | |
1690 | } | |
1691 | ||
1692 | /* hook it all together. */ | |
1693 | pcie_bus_dev->devinfo = devinfo; | |
1694 | pcie_bus_dev->bus = bus; | |
1695 | bus->dev = &pdev->dev; | |
1696 | bus->bus_priv.pcie = pcie_bus_dev; | |
1697 | bus->ops = &brcmf_pcie_bus_ops; | |
1698 | bus->proto_type = BRCMF_PROTO_MSGBUF; | |
1699 | bus->chip = devinfo->coreid; | |
4eb3af7c | 1700 | bus->wowl_supported = pci_pme_capable(pdev, PCI_D3hot); |
9e37f045 HM |
1701 | dev_set_drvdata(&pdev->dev, bus); |
1702 | ||
1703 | ret = brcmf_pcie_get_fwnames(devinfo); | |
1704 | if (ret) | |
1705 | goto fail_bus; | |
1706 | ||
c4365534 HM |
1707 | ret = brcmf_fw_get_firmwares_pcie(bus->dev, BRCMF_FW_REQUEST_NVRAM | |
1708 | BRCMF_FW_REQ_NV_OPTIONAL, | |
1709 | devinfo->fw_name, devinfo->nvram_name, | |
1710 | brcmf_pcie_setup, domain_nr, bus_nr); | |
9e37f045 HM |
1711 | if (ret == 0) |
1712 | return 0; | |
1713 | fail_bus: | |
1714 | kfree(bus->msgbuf); | |
1715 | kfree(bus); | |
1716 | fail: | |
1717 | brcmf_err("failed %x:%x\n", pdev->vendor, pdev->device); | |
1718 | brcmf_pcie_release_resource(devinfo); | |
1719 | if (devinfo->ci) | |
1720 | brcmf_chip_detach(devinfo->ci); | |
1721 | kfree(pcie_bus_dev); | |
1722 | kfree(devinfo); | |
1723 | return ret; | |
1724 | } | |
1725 | ||
1726 | ||
1727 | static void | |
1728 | brcmf_pcie_remove(struct pci_dev *pdev) | |
1729 | { | |
1730 | struct brcmf_pciedev_info *devinfo; | |
1731 | struct brcmf_bus *bus; | |
1732 | ||
1733 | brcmf_dbg(PCIE, "Enter\n"); | |
1734 | ||
1735 | bus = dev_get_drvdata(&pdev->dev); | |
1736 | if (bus == NULL) | |
1737 | return; | |
1738 | ||
1739 | devinfo = bus->bus_priv.pcie->devinfo; | |
1740 | ||
1741 | devinfo->state = BRCMFMAC_PCIE_STATE_DOWN; | |
1742 | if (devinfo->ci) | |
1743 | brcmf_pcie_intr_disable(devinfo); | |
1744 | ||
1745 | brcmf_detach(&pdev->dev); | |
1746 | ||
1747 | kfree(bus->bus_priv.pcie); | |
1748 | kfree(bus->msgbuf->flowrings); | |
1749 | kfree(bus->msgbuf); | |
1750 | kfree(bus); | |
1751 | ||
1752 | brcmf_pcie_release_irq(devinfo); | |
1753 | brcmf_pcie_release_scratchbuffers(devinfo); | |
1754 | brcmf_pcie_release_ringbuffers(devinfo); | |
bd4f82e3 | 1755 | brcmf_pcie_reset_device(devinfo); |
9e37f045 HM |
1756 | brcmf_pcie_release_resource(devinfo); |
1757 | ||
1758 | if (devinfo->ci) | |
1759 | brcmf_chip_detach(devinfo->ci); | |
1760 | ||
1761 | kfree(devinfo); | |
1762 | dev_set_drvdata(&pdev->dev, NULL); | |
1763 | } | |
1764 | ||
1765 | ||
1766 | #ifdef CONFIG_PM | |
1767 | ||
1768 | ||
1769 | static int brcmf_pcie_suspend(struct pci_dev *pdev, pm_message_t state) | |
1770 | { | |
1771 | struct brcmf_pciedev_info *devinfo; | |
1772 | struct brcmf_bus *bus; | |
1773 | int err; | |
1774 | ||
1775 | brcmf_dbg(PCIE, "Enter, state=%d, pdev=%p\n", state.event, pdev); | |
1776 | ||
1777 | bus = dev_get_drvdata(&pdev->dev); | |
1778 | devinfo = bus->bus_priv.pcie->devinfo; | |
1779 | ||
1780 | brcmf_bus_change_state(bus, BRCMF_BUS_DOWN); | |
1781 | ||
1782 | devinfo->mbdata_completed = false; | |
1783 | brcmf_pcie_send_mb_data(devinfo, BRCMF_H2D_HOST_D3_INFORM); | |
1784 | ||
1785 | wait_event_timeout(devinfo->mbdata_resp_wait, | |
1786 | devinfo->mbdata_completed, | |
1787 | msecs_to_jiffies(BRCMF_PCIE_MBDATA_TIMEOUT)); | |
1788 | if (!devinfo->mbdata_completed) { | |
1789 | brcmf_err("Timeout on response for entering D3 substate\n"); | |
1790 | return -EIO; | |
1791 | } | |
4eb3af7c | 1792 | brcmf_pcie_send_mb_data(devinfo, BRCMF_H2D_HOST_D0_INFORM_IN_USE); |
9e37f045 HM |
1793 | |
1794 | err = pci_save_state(pdev); | |
4eb3af7c | 1795 | if (err) |
9e37f045 | 1796 | brcmf_err("pci_save_state failed, err=%d\n", err); |
4eb3af7c HM |
1797 | if ((err) || (!devinfo->wowl_enabled)) { |
1798 | brcmf_chip_detach(devinfo->ci); | |
1799 | devinfo->ci = NULL; | |
1800 | brcmf_pcie_remove(pdev); | |
1801 | return 0; | |
9e37f045 HM |
1802 | } |
1803 | ||
9e37f045 HM |
1804 | return pci_prepare_to_sleep(pdev); |
1805 | } | |
1806 | ||
9e37f045 HM |
1807 | static int brcmf_pcie_resume(struct pci_dev *pdev) |
1808 | { | |
4eb3af7c HM |
1809 | struct brcmf_pciedev_info *devinfo; |
1810 | struct brcmf_bus *bus; | |
9e37f045 HM |
1811 | int err; |
1812 | ||
4eb3af7c HM |
1813 | bus = dev_get_drvdata(&pdev->dev); |
1814 | brcmf_dbg(PCIE, "Enter, pdev=%p, bus=%p\n", pdev, bus); | |
9e37f045 HM |
1815 | |
1816 | err = pci_set_power_state(pdev, PCI_D0); | |
1817 | if (err) { | |
1818 | brcmf_err("pci_set_power_state failed, err=%d\n", err); | |
4eb3af7c | 1819 | goto cleanup; |
9e37f045 HM |
1820 | } |
1821 | pci_restore_state(pdev); | |
4eb3af7c HM |
1822 | pci_enable_wake(pdev, PCI_D3hot, false); |
1823 | pci_enable_wake(pdev, PCI_D3cold, false); | |
1824 | ||
1825 | /* Check if device is still up and running, if so we are ready */ | |
1826 | if (bus) { | |
1827 | devinfo = bus->bus_priv.pcie->devinfo; | |
1828 | if (brcmf_pcie_read_reg32(devinfo, | |
1829 | BRCMF_PCIE_PCIE2REG_INTMASK) != 0) { | |
1830 | if (brcmf_pcie_send_mb_data(devinfo, | |
1831 | BRCMF_H2D_HOST_D0_INFORM)) | |
1832 | goto cleanup; | |
1833 | brcmf_dbg(PCIE, "Hot resume, continue....\n"); | |
1834 | brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); | |
a1cee865 | 1835 | brcmf_bus_change_state(bus, BRCMF_BUS_UP); |
4eb3af7c HM |
1836 | brcmf_pcie_intr_enable(devinfo); |
1837 | return 0; | |
1838 | } | |
1839 | } | |
9e37f045 | 1840 | |
4eb3af7c HM |
1841 | cleanup: |
1842 | if (bus) { | |
1843 | devinfo = bus->bus_priv.pcie->devinfo; | |
1844 | brcmf_chip_detach(devinfo->ci); | |
1845 | devinfo->ci = NULL; | |
1846 | brcmf_pcie_remove(pdev); | |
1847 | } | |
9e37f045 HM |
1848 | err = brcmf_pcie_probe(pdev, NULL); |
1849 | if (err) | |
1850 | brcmf_err("probe after resume failed, err=%d\n", err); | |
1851 | ||
1852 | return err; | |
1853 | } | |
1854 | ||
1855 | ||
1856 | #endif /* CONFIG_PM */ | |
1857 | ||
1858 | ||
1859 | #define BRCMF_PCIE_DEVICE(dev_id) { BRCM_PCIE_VENDOR_ID_BROADCOM, dev_id,\ | |
1860 | PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_NETWORK_OTHER << 8, 0xffff00, 0 } | |
1861 | ||
1862 | static struct pci_device_id brcmf_pcie_devid_table[] = { | |
9e37f045 HM |
1863 | BRCMF_PCIE_DEVICE(BRCM_PCIE_4356_DEVICE_ID), |
1864 | BRCMF_PCIE_DEVICE(BRCM_PCIE_43567_DEVICE_ID), | |
1865 | BRCMF_PCIE_DEVICE(BRCM_PCIE_43570_DEVICE_ID), | |
67f3b6a3 | 1866 | BRCMF_PCIE_DEVICE(BRCM_PCIE_4358_DEVICE_ID), |
9e37f045 | 1867 | BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_DEVICE_ID), |
48fd818f HM |
1868 | BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_2G_DEVICE_ID), |
1869 | BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_5G_DEVICE_ID), | |
27aace2d | 1870 | BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_RAW_DEVICE_ID), |
9e37f045 HM |
1871 | { /* end: all zeroes */ } |
1872 | }; | |
1873 | ||
1874 | ||
1875 | MODULE_DEVICE_TABLE(pci, brcmf_pcie_devid_table); | |
1876 | ||
1877 | ||
1878 | static struct pci_driver brcmf_pciedrvr = { | |
1879 | .node = {}, | |
1880 | .name = KBUILD_MODNAME, | |
1881 | .id_table = brcmf_pcie_devid_table, | |
1882 | .probe = brcmf_pcie_probe, | |
1883 | .remove = brcmf_pcie_remove, | |
1884 | #ifdef CONFIG_PM | |
1885 | .suspend = brcmf_pcie_suspend, | |
1886 | .resume = brcmf_pcie_resume | |
1887 | #endif /* CONFIG_PM */ | |
1888 | }; | |
1889 | ||
1890 | ||
1891 | void brcmf_pcie_register(void) | |
1892 | { | |
1893 | int err; | |
1894 | ||
1895 | brcmf_dbg(PCIE, "Enter\n"); | |
1896 | err = pci_register_driver(&brcmf_pciedrvr); | |
1897 | if (err) | |
1898 | brcmf_err("PCIE driver registration failed, err=%d\n", err); | |
1899 | } | |
1900 | ||
1901 | ||
1902 | void brcmf_pcie_exit(void) | |
1903 | { | |
1904 | brcmf_dbg(PCIE, "Enter\n"); | |
1905 | pci_unregister_driver(&brcmf_pciedrvr); | |
1906 | } |