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9aebfd4a SW |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // Copyright (c) 2019 MediaTek Inc. | |
3 | ||
4 | /* | |
5 | * Bluetooth support for MediaTek SDIO devices | |
6 | * | |
7 | * This file is written based on btsdio.c and btmtkuart.c. | |
8 | * | |
9 | * Author: Sean Wang <sean.wang@mediatek.com> | |
10 | * | |
11 | */ | |
12 | ||
5f60d5f6 | 13 | #include <linux/unaligned.h> |
9aebfd4a | 14 | #include <linux/atomic.h> |
8fafe702 | 15 | #include <linux/gpio/consumer.h> |
9aebfd4a SW |
16 | #include <linux/init.h> |
17 | #include <linux/iopoll.h> | |
18 | #include <linux/kernel.h> | |
19 | #include <linux/module.h> | |
8fafe702 | 20 | #include <linux/of.h> |
7f3c563c | 21 | #include <linux/pm_runtime.h> |
9aebfd4a | 22 | #include <linux/skbuff.h> |
d019930b | 23 | #include <linux/usb.h> |
9aebfd4a SW |
24 | |
25 | #include <linux/mmc/host.h> | |
26 | #include <linux/mmc/sdio_ids.h> | |
27 | #include <linux/mmc/sdio_func.h> | |
28 | ||
29 | #include <net/bluetooth/bluetooth.h> | |
30 | #include <net/bluetooth/hci_core.h> | |
31 | ||
32 | #include "h4_recv.h" | |
3a722044 | 33 | #include "btmtk.h" |
9aebfd4a SW |
34 | |
35 | #define VERSION "0.1" | |
36 | ||
e98aa38c | 37 | #define MTKBTSDIO_AUTOSUSPEND_DELAY 1000 |
7f3c563c | 38 | |
e98aa38c | 39 | static bool enable_autosuspend = true; |
7f3c563c | 40 | |
9aebfd4a SW |
41 | struct btmtksdio_data { |
42 | const char *fwname; | |
c603bf1f | 43 | u16 chipid; |
01ecc177 | 44 | bool lp_mbox_supported; |
9aebfd4a SW |
45 | }; |
46 | ||
47 | static const struct btmtksdio_data mt7663_data = { | |
48 | .fwname = FIRMWARE_MT7663, | |
c603bf1f | 49 | .chipid = 0x7663, |
01ecc177 | 50 | .lp_mbox_supported = false, |
9aebfd4a SW |
51 | }; |
52 | ||
53 | static const struct btmtksdio_data mt7668_data = { | |
54 | .fwname = FIRMWARE_MT7668, | |
c603bf1f | 55 | .chipid = 0x7668, |
01ecc177 | 56 | .lp_mbox_supported = false, |
c603bf1f SW |
57 | }; |
58 | ||
59 | static const struct btmtksdio_data mt7921_data = { | |
60 | .fwname = FIRMWARE_MT7961, | |
61 | .chipid = 0x7921, | |
01ecc177 | 62 | .lp_mbox_supported = true, |
9aebfd4a SW |
63 | }; |
64 | ||
65 | static const struct sdio_device_id btmtksdio_table[] = { | |
baaa110d | 66 | {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7663), |
9aebfd4a | 67 | .driver_data = (kernel_ulong_t)&mt7663_data }, |
baaa110d | 68 | {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7668), |
9aebfd4a | 69 | .driver_data = (kernel_ulong_t)&mt7668_data }, |
c603bf1f SW |
70 | {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7961), |
71 | .driver_data = (kernel_ulong_t)&mt7921_data }, | |
9aebfd4a SW |
72 | { } /* Terminating entry */ |
73 | }; | |
53121a7c | 74 | MODULE_DEVICE_TABLE(sdio, btmtksdio_table); |
9aebfd4a SW |
75 | |
76 | #define MTK_REG_CHLPCR 0x4 /* W1S */ | |
77 | #define C_INT_EN_SET BIT(0) | |
78 | #define C_INT_EN_CLR BIT(1) | |
2e47cc2b SW |
79 | #define C_FW_OWN_REQ_SET BIT(8) /* For write */ |
80 | #define C_COM_DRV_OWN BIT(8) /* For read */ | |
9aebfd4a SW |
81 | #define C_FW_OWN_REQ_CLR BIT(9) |
82 | ||
83 | #define MTK_REG_CSDIOCSR 0x8 | |
84 | #define SDIO_RE_INIT_EN BIT(0) | |
85 | #define SDIO_INT_CTL BIT(2) | |
86 | ||
87 | #define MTK_REG_CHCR 0xc | |
88 | #define C_INT_CLR_CTRL BIT(1) | |
8fafe702 | 89 | #define BT_RST_DONE BIT(8) |
9aebfd4a SW |
90 | |
91 | /* CHISR have the same bits field definition with CHIER */ | |
92 | #define MTK_REG_CHISR 0x10 | |
93 | #define MTK_REG_CHIER 0x14 | |
94 | #define FW_OWN_BACK_INT BIT(0) | |
95 | #define RX_DONE_INT BIT(1) | |
96 | #define TX_EMPTY BIT(2) | |
97 | #define TX_FIFO_OVERFLOW BIT(8) | |
2fc967cc | 98 | #define FW_MAILBOX_INT BIT(15) |
db3f1f9b | 99 | #define INT_MASK GENMASK(15, 0) |
9aebfd4a SW |
100 | #define RX_PKT_LEN GENMASK(31, 16) |
101 | ||
01ecc177 MC |
102 | #define MTK_REG_CSICR 0xc0 |
103 | #define CSICR_CLR_MBOX_ACK BIT(0) | |
2fc967cc MC |
104 | #define MTK_REG_PH2DSM0R 0xc4 |
105 | #define PH2DSM0R_DRIVER_OWN BIT(0) | |
01ecc177 MC |
106 | #define MTK_REG_PD2HRM0R 0xdc |
107 | #define PD2HRM0R_DRV_OWN BIT(0) | |
2fc967cc | 108 | |
9aebfd4a SW |
109 | #define MTK_REG_CTDR 0x18 |
110 | ||
111 | #define MTK_REG_CRDR 0x1c | |
112 | ||
184ea403 SW |
113 | #define MTK_REG_CRPLR 0x24 |
114 | ||
9aebfd4a SW |
115 | #define MTK_SDIO_BLOCK_SIZE 256 |
116 | ||
117 | #define BTMTKSDIO_TX_WAIT_VND_EVT 1 | |
d555b1f2 | 118 | #define BTMTKSDIO_HW_TX_READY 2 |
4b4b2228 | 119 | #define BTMTKSDIO_FUNC_ENABLED 3 |
01ecc177 | 120 | #define BTMTKSDIO_PATCH_ENABLED 4 |
8fafe702 | 121 | #define BTMTKSDIO_HW_RESET_ACTIVE 5 |
4ed924fc | 122 | #define BTMTKSDIO_BT_WAKE_ENABLED 6 |
9aebfd4a | 123 | |
9aebfd4a SW |
124 | struct mtkbtsdio_hdr { |
125 | __le16 len; | |
126 | __le16 reserved; | |
127 | u8 bt_type; | |
128 | } __packed; | |
129 | ||
9aebfd4a SW |
130 | struct btmtksdio_dev { |
131 | struct hci_dev *hdev; | |
132 | struct sdio_func *func; | |
7f3c563c | 133 | struct device *dev; |
9aebfd4a | 134 | |
26270bc1 | 135 | struct work_struct txrx_work; |
9aebfd4a SW |
136 | unsigned long tx_state; |
137 | struct sk_buff_head txq; | |
138 | ||
139 | struct sk_buff *evt_skb; | |
140 | ||
141 | const struct btmtksdio_data *data; | |
8fafe702 CYC |
142 | |
143 | struct gpio_desc *reset; | |
9aebfd4a SW |
144 | }; |
145 | ||
146 | static int mtk_hci_wmt_sync(struct hci_dev *hdev, | |
147 | struct btmtk_hci_wmt_params *wmt_params) | |
148 | { | |
149 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); | |
150 | struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc; | |
c603bf1f | 151 | struct btmtk_hci_wmt_evt_reg *wmt_evt_reg; |
9aebfd4a SW |
152 | u32 hlen, status = BTMTK_WMT_INVALID; |
153 | struct btmtk_hci_wmt_evt *wmt_evt; | |
3a722044 SW |
154 | struct btmtk_hci_wmt_cmd *wc; |
155 | struct btmtk_wmt_hdr *hdr; | |
9aebfd4a SW |
156 | int err; |
157 | ||
3a722044 | 158 | /* Send the WMT command and wait until the WMT event returns */ |
9aebfd4a SW |
159 | hlen = sizeof(*hdr) + wmt_params->dlen; |
160 | if (hlen > 255) | |
161 | return -EINVAL; | |
162 | ||
3a722044 SW |
163 | wc = kzalloc(hlen, GFP_KERNEL); |
164 | if (!wc) | |
165 | return -ENOMEM; | |
166 | ||
167 | hdr = &wc->hdr; | |
9aebfd4a SW |
168 | hdr->dir = 1; |
169 | hdr->op = wmt_params->op; | |
170 | hdr->dlen = cpu_to_le16(wmt_params->dlen + 1); | |
171 | hdr->flag = wmt_params->flag; | |
3a722044 | 172 | memcpy(wc->data, wmt_params->data, wmt_params->dlen); |
9aebfd4a SW |
173 | |
174 | set_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state); | |
175 | ||
3a722044 | 176 | err = __hci_cmd_send(hdev, 0xfc6f, hlen, wc); |
9aebfd4a SW |
177 | if (err < 0) { |
178 | clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state); | |
3a722044 | 179 | goto err_free_wc; |
9aebfd4a SW |
180 | } |
181 | ||
182 | /* The vendor specific WMT commands are all answered by a vendor | |
183 | * specific event and will not have the Command Status or Command | |
184 | * Complete as with usual HCI command flow control. | |
185 | * | |
186 | * After sending the command, wait for BTMTKSDIO_TX_WAIT_VND_EVT | |
187 | * state to be cleared. The driver specific event receive routine | |
188 | * will clear that state and with that indicate completion of the | |
189 | * WMT command. | |
190 | */ | |
191 | err = wait_on_bit_timeout(&bdev->tx_state, BTMTKSDIO_TX_WAIT_VND_EVT, | |
192 | TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT); | |
193 | if (err == -EINTR) { | |
194 | bt_dev_err(hdev, "Execution of wmt command interrupted"); | |
195 | clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state); | |
3a722044 | 196 | goto err_free_wc; |
9aebfd4a SW |
197 | } |
198 | ||
199 | if (err) { | |
200 | bt_dev_err(hdev, "Execution of wmt command timed out"); | |
201 | clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state); | |
3a722044 SW |
202 | err = -ETIMEDOUT; |
203 | goto err_free_wc; | |
9aebfd4a SW |
204 | } |
205 | ||
206 | /* Parse and handle the return WMT event */ | |
207 | wmt_evt = (struct btmtk_hci_wmt_evt *)bdev->evt_skb->data; | |
208 | if (wmt_evt->whdr.op != hdr->op) { | |
209 | bt_dev_err(hdev, "Wrong op received %d expected %d", | |
210 | wmt_evt->whdr.op, hdr->op); | |
211 | err = -EIO; | |
212 | goto err_free_skb; | |
213 | } | |
214 | ||
215 | switch (wmt_evt->whdr.op) { | |
3a722044 | 216 | case BTMTK_WMT_SEMAPHORE: |
9aebfd4a SW |
217 | if (wmt_evt->whdr.flag == 2) |
218 | status = BTMTK_WMT_PATCH_UNDONE; | |
219 | else | |
220 | status = BTMTK_WMT_PATCH_DONE; | |
221 | break; | |
3a722044 | 222 | case BTMTK_WMT_FUNC_CTRL: |
9aebfd4a SW |
223 | wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt; |
224 | if (be16_to_cpu(wmt_evt_funcc->status) == 0x404) | |
225 | status = BTMTK_WMT_ON_DONE; | |
226 | else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420) | |
227 | status = BTMTK_WMT_ON_PROGRESS; | |
228 | else | |
229 | status = BTMTK_WMT_ON_UNDONE; | |
230 | break; | |
c603bf1f SW |
231 | case BTMTK_WMT_PATCH_DWNLD: |
232 | if (wmt_evt->whdr.flag == 2) | |
233 | status = BTMTK_WMT_PATCH_DONE; | |
234 | else if (wmt_evt->whdr.flag == 1) | |
235 | status = BTMTK_WMT_PATCH_PROGRESS; | |
236 | else | |
237 | status = BTMTK_WMT_PATCH_UNDONE; | |
238 | break; | |
239 | case BTMTK_WMT_REGISTER: | |
240 | wmt_evt_reg = (struct btmtk_hci_wmt_evt_reg *)wmt_evt; | |
241 | if (le16_to_cpu(wmt_evt->whdr.dlen) == 12) | |
242 | status = le32_to_cpu(wmt_evt_reg->val); | |
243 | break; | |
9aebfd4a SW |
244 | } |
245 | ||
246 | if (wmt_params->status) | |
247 | *wmt_params->status = status; | |
248 | ||
249 | err_free_skb: | |
250 | kfree_skb(bdev->evt_skb); | |
251 | bdev->evt_skb = NULL; | |
3a722044 SW |
252 | err_free_wc: |
253 | kfree(wc); | |
9aebfd4a SW |
254 | |
255 | return err; | |
256 | } | |
257 | ||
258 | static int btmtksdio_tx_packet(struct btmtksdio_dev *bdev, | |
259 | struct sk_buff *skb) | |
260 | { | |
261 | struct mtkbtsdio_hdr *sdio_hdr; | |
262 | int err; | |
263 | ||
264 | /* Make sure that there are enough rooms for SDIO header */ | |
265 | if (unlikely(skb_headroom(skb) < sizeof(*sdio_hdr))) { | |
266 | err = pskb_expand_head(skb, sizeof(*sdio_hdr), 0, | |
267 | GFP_ATOMIC); | |
268 | if (err < 0) | |
269 | return err; | |
270 | } | |
271 | ||
272 | /* Prepend MediaTek SDIO Specific Header */ | |
273 | skb_push(skb, sizeof(*sdio_hdr)); | |
274 | ||
275 | sdio_hdr = (void *)skb->data; | |
276 | sdio_hdr->len = cpu_to_le16(skb->len); | |
277 | sdio_hdr->reserved = cpu_to_le16(0); | |
278 | sdio_hdr->bt_type = hci_skb_pkt_type(skb); | |
279 | ||
d555b1f2 | 280 | clear_bit(BTMTKSDIO_HW_TX_READY, &bdev->tx_state); |
9aebfd4a SW |
281 | err = sdio_writesb(bdev->func, MTK_REG_CTDR, skb->data, |
282 | round_up(skb->len, MTK_SDIO_BLOCK_SIZE)); | |
283 | if (err < 0) | |
284 | goto err_skb_pull; | |
285 | ||
286 | bdev->hdev->stat.byte_tx += skb->len; | |
287 | ||
288 | kfree_skb(skb); | |
289 | ||
290 | return 0; | |
291 | ||
292 | err_skb_pull: | |
293 | skb_pull(skb, sizeof(*sdio_hdr)); | |
294 | ||
295 | return err; | |
296 | } | |
297 | ||
298 | static u32 btmtksdio_drv_own_query(struct btmtksdio_dev *bdev) | |
299 | { | |
300 | return sdio_readl(bdev->func, MTK_REG_CHLPCR, NULL); | |
301 | } | |
302 | ||
01ecc177 MC |
303 | static u32 btmtksdio_drv_own_query_79xx(struct btmtksdio_dev *bdev) |
304 | { | |
305 | return sdio_readl(bdev->func, MTK_REG_PD2HRM0R, NULL); | |
306 | } | |
307 | ||
8fafe702 CYC |
308 | static u32 btmtksdio_chcr_query(struct btmtksdio_dev *bdev) |
309 | { | |
310 | return sdio_readl(bdev->func, MTK_REG_CHCR, NULL); | |
311 | } | |
312 | ||
c7e301d7 MC |
313 | static int btmtksdio_fw_pmctrl(struct btmtksdio_dev *bdev) |
314 | { | |
315 | u32 status; | |
316 | int err; | |
317 | ||
318 | sdio_claim_host(bdev->func); | |
319 | ||
01ecc177 MC |
320 | if (bdev->data->lp_mbox_supported && |
321 | test_bit(BTMTKSDIO_PATCH_ENABLED, &bdev->tx_state)) { | |
322 | sdio_writel(bdev->func, CSICR_CLR_MBOX_ACK, MTK_REG_CSICR, | |
323 | &err); | |
324 | err = readx_poll_timeout(btmtksdio_drv_own_query_79xx, bdev, | |
325 | status, !(status & PD2HRM0R_DRV_OWN), | |
326 | 2000, 1000000); | |
327 | if (err < 0) { | |
328 | bt_dev_err(bdev->hdev, "mailbox ACK not cleared"); | |
329 | goto out; | |
330 | } | |
331 | } | |
332 | ||
c7e301d7 MC |
333 | /* Return ownership to the device */ |
334 | sdio_writel(bdev->func, C_FW_OWN_REQ_SET, MTK_REG_CHLPCR, &err); | |
335 | if (err < 0) | |
336 | goto out; | |
337 | ||
338 | err = readx_poll_timeout(btmtksdio_drv_own_query, bdev, status, | |
339 | !(status & C_COM_DRV_OWN), 2000, 1000000); | |
340 | ||
341 | out: | |
342 | sdio_release_host(bdev->func); | |
343 | ||
344 | if (err < 0) | |
345 | bt_dev_err(bdev->hdev, "Cannot return ownership to device"); | |
346 | ||
347 | return err; | |
348 | } | |
349 | ||
350 | static int btmtksdio_drv_pmctrl(struct btmtksdio_dev *bdev) | |
351 | { | |
352 | u32 status; | |
353 | int err; | |
354 | ||
355 | sdio_claim_host(bdev->func); | |
356 | ||
357 | /* Get ownership from the device */ | |
358 | sdio_writel(bdev->func, C_FW_OWN_REQ_CLR, MTK_REG_CHLPCR, &err); | |
359 | if (err < 0) | |
360 | goto out; | |
361 | ||
362 | err = readx_poll_timeout(btmtksdio_drv_own_query, bdev, status, | |
363 | status & C_COM_DRV_OWN, 2000, 1000000); | |
364 | ||
01ecc177 MC |
365 | if (!err && bdev->data->lp_mbox_supported && |
366 | test_bit(BTMTKSDIO_PATCH_ENABLED, &bdev->tx_state)) | |
367 | err = readx_poll_timeout(btmtksdio_drv_own_query_79xx, bdev, | |
368 | status, status & PD2HRM0R_DRV_OWN, | |
369 | 2000, 1000000); | |
370 | ||
c7e301d7 MC |
371 | out: |
372 | sdio_release_host(bdev->func); | |
373 | ||
374 | if (err < 0) | |
375 | bt_dev_err(bdev->hdev, "Cannot get ownership from device"); | |
376 | ||
377 | return err; | |
378 | } | |
379 | ||
9aebfd4a SW |
380 | static int btmtksdio_recv_event(struct hci_dev *hdev, struct sk_buff *skb) |
381 | { | |
382 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); | |
383 | struct hci_event_hdr *hdr = (void *)skb->data; | |
0fab6361 | 384 | u8 evt = hdr->evt; |
9aebfd4a SW |
385 | int err; |
386 | ||
9aebfd4a SW |
387 | /* When someone waits for the WMT event, the skb is being cloned |
388 | * and being processed the events from there then. | |
389 | */ | |
390 | if (test_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state)) { | |
391 | bdev->evt_skb = skb_clone(skb, GFP_KERNEL); | |
392 | if (!bdev->evt_skb) { | |
393 | err = -ENOMEM; | |
394 | goto err_out; | |
395 | } | |
396 | } | |
397 | ||
398 | err = hci_recv_frame(hdev, skb); | |
399 | if (err < 0) | |
400 | goto err_free_skb; | |
401 | ||
0fab6361 | 402 | if (evt == HCI_EV_WMT) { |
9aebfd4a SW |
403 | if (test_and_clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, |
404 | &bdev->tx_state)) { | |
405 | /* Barrier to sync with other CPUs */ | |
406 | smp_mb__after_atomic(); | |
407 | wake_up_bit(&bdev->tx_state, BTMTKSDIO_TX_WAIT_VND_EVT); | |
408 | } | |
409 | } | |
410 | ||
411 | return 0; | |
412 | ||
413 | err_free_skb: | |
414 | kfree_skb(bdev->evt_skb); | |
415 | bdev->evt_skb = NULL; | |
416 | ||
417 | err_out: | |
418 | return err; | |
419 | } | |
420 | ||
db57b625 SW |
421 | static int btmtksdio_recv_acl(struct hci_dev *hdev, struct sk_buff *skb) |
422 | { | |
423 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); | |
424 | u16 handle = le16_to_cpu(hci_acl_hdr(skb)->handle); | |
425 | ||
426 | switch (handle) { | |
427 | case 0xfc6f: | |
428 | /* Firmware dump from device: when the firmware hangs, the | |
429 | * device can no longer suspend and thus disable auto-suspend. | |
430 | */ | |
431 | pm_runtime_forbid(bdev->dev); | |
432 | fallthrough; | |
433 | case 0x05ff: | |
434 | case 0x05fe: | |
435 | /* Firmware debug logging */ | |
436 | return hci_recv_diag(hdev, skb); | |
437 | } | |
438 | ||
439 | return hci_recv_frame(hdev, skb); | |
440 | } | |
441 | ||
9aebfd4a | 442 | static const struct h4_recv_pkt mtk_recv_pkts[] = { |
db57b625 | 443 | { H4_RECV_ACL, .recv = btmtksdio_recv_acl }, |
9aebfd4a SW |
444 | { H4_RECV_SCO, .recv = hci_recv_frame }, |
445 | { H4_RECV_EVENT, .recv = btmtksdio_recv_event }, | |
446 | }; | |
447 | ||
448 | static int btmtksdio_rx_packet(struct btmtksdio_dev *bdev, u16 rx_size) | |
449 | { | |
450 | const struct h4_recv_pkt *pkts = mtk_recv_pkts; | |
451 | int pkts_count = ARRAY_SIZE(mtk_recv_pkts); | |
452 | struct mtkbtsdio_hdr *sdio_hdr; | |
9aebfd4a SW |
453 | int err, i, pad_size; |
454 | struct sk_buff *skb; | |
455 | u16 dlen; | |
456 | ||
457 | if (rx_size < sizeof(*sdio_hdr)) | |
458 | return -EILSEQ; | |
459 | ||
460 | /* A SDIO packet is exactly containing a Bluetooth packet */ | |
461 | skb = bt_skb_alloc(rx_size, GFP_KERNEL); | |
462 | if (!skb) | |
463 | return -ENOMEM; | |
464 | ||
465 | skb_put(skb, rx_size); | |
466 | ||
467 | err = sdio_readsb(bdev->func, skb->data, MTK_REG_CRDR, rx_size); | |
468 | if (err < 0) | |
469 | goto err_kfree_skb; | |
470 | ||
9aebfd4a SW |
471 | sdio_hdr = (void *)skb->data; |
472 | ||
473 | /* We assume the default error as -EILSEQ simply to make the error path | |
474 | * be cleaner. | |
475 | */ | |
476 | err = -EILSEQ; | |
477 | ||
478 | if (rx_size != le16_to_cpu(sdio_hdr->len)) { | |
479 | bt_dev_err(bdev->hdev, "Rx size in sdio header is mismatched "); | |
480 | goto err_kfree_skb; | |
481 | } | |
482 | ||
483 | hci_skb_pkt_type(skb) = sdio_hdr->bt_type; | |
484 | ||
485 | /* Remove MediaTek SDIO header */ | |
486 | skb_pull(skb, sizeof(*sdio_hdr)); | |
487 | ||
488 | /* We have to dig into the packet to get payload size and then know how | |
489 | * many padding bytes at the tail, these padding bytes should be removed | |
490 | * before the packet is indicated to the core layer. | |
491 | */ | |
492 | for (i = 0; i < pkts_count; i++) { | |
493 | if (sdio_hdr->bt_type == (&pkts[i])->type) | |
494 | break; | |
495 | } | |
496 | ||
497 | if (i >= pkts_count) { | |
498 | bt_dev_err(bdev->hdev, "Invalid bt type 0x%02x", | |
499 | sdio_hdr->bt_type); | |
500 | goto err_kfree_skb; | |
501 | } | |
502 | ||
503 | /* Remaining bytes cannot hold a header*/ | |
504 | if (skb->len < (&pkts[i])->hlen) { | |
505 | bt_dev_err(bdev->hdev, "The size of bt header is mismatched"); | |
506 | goto err_kfree_skb; | |
507 | } | |
508 | ||
509 | switch ((&pkts[i])->lsize) { | |
1ca2a394 JT |
510 | case 1: |
511 | dlen = skb->data[(&pkts[i])->loff]; | |
512 | break; | |
513 | case 2: | |
514 | dlen = get_unaligned_le16(skb->data + | |
9aebfd4a | 515 | (&pkts[i])->loff); |
1ca2a394 JT |
516 | break; |
517 | default: | |
518 | goto err_kfree_skb; | |
9aebfd4a SW |
519 | } |
520 | ||
521 | pad_size = skb->len - (&pkts[i])->hlen - dlen; | |
522 | ||
523 | /* Remaining bytes cannot hold a payload */ | |
524 | if (pad_size < 0) { | |
525 | bt_dev_err(bdev->hdev, "The size of bt payload is mismatched"); | |
526 | goto err_kfree_skb; | |
527 | } | |
528 | ||
529 | /* Remove padding bytes */ | |
530 | skb_trim(skb, skb->len - pad_size); | |
531 | ||
532 | /* Complete frame */ | |
533 | (&pkts[i])->recv(bdev->hdev, skb); | |
534 | ||
bcaa7d72 SW |
535 | bdev->hdev->stat.byte_rx += rx_size; |
536 | ||
9aebfd4a SW |
537 | return 0; |
538 | ||
539 | err_kfree_skb: | |
9aebfd4a SW |
540 | kfree_skb(skb); |
541 | ||
542 | return err; | |
543 | } | |
544 | ||
26270bc1 | 545 | static void btmtksdio_txrx_work(struct work_struct *work) |
9aebfd4a | 546 | { |
26270bc1 SW |
547 | struct btmtksdio_dev *bdev = container_of(work, struct btmtksdio_dev, |
548 | txrx_work); | |
549 | unsigned long txrx_timeout; | |
184ea403 | 550 | u32 int_status, rx_size; |
26270bc1 | 551 | struct sk_buff *skb; |
26270bc1 | 552 | int err; |
7f3c563c SW |
553 | |
554 | pm_runtime_get_sync(bdev->dev); | |
555 | ||
556 | sdio_claim_host(bdev->func); | |
557 | ||
9aebfd4a | 558 | /* Disable interrupt */ |
4ed924fc | 559 | sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, NULL); |
9aebfd4a | 560 | |
26270bc1 SW |
561 | txrx_timeout = jiffies + 5 * HZ; |
562 | ||
563 | do { | |
564 | int_status = sdio_readl(bdev->func, MTK_REG_CHISR, NULL); | |
565 | ||
566 | /* Ack an interrupt as soon as possible before any operation on | |
567 | * hardware. | |
568 | * | |
569 | * Note that we don't ack any status during operations to avoid race | |
570 | * condition between the host and the device such as it's possible to | |
571 | * mistakenly ack RX_DONE for the next packet and then cause interrupts | |
572 | * not be raised again but there is still pending data in the hardware | |
573 | * FIFO. | |
574 | */ | |
575 | sdio_writel(bdev->func, int_status, MTK_REG_CHISR, NULL); | |
db3f1f9b | 576 | int_status &= INT_MASK; |
26270bc1 | 577 | |
2fc967cc MC |
578 | if ((int_status & FW_MAILBOX_INT) && |
579 | bdev->data->chipid == 0x7921) { | |
580 | sdio_writel(bdev->func, PH2DSM0R_DRIVER_OWN, | |
4ed924fc | 581 | MTK_REG_PH2DSM0R, NULL); |
2fc967cc MC |
582 | } |
583 | ||
26270bc1 SW |
584 | if (int_status & FW_OWN_BACK_INT) |
585 | bt_dev_dbg(bdev->hdev, "Get fw own back"); | |
586 | ||
587 | if (int_status & TX_EMPTY) | |
d555b1f2 SW |
588 | set_bit(BTMTKSDIO_HW_TX_READY, &bdev->tx_state); |
589 | ||
26270bc1 SW |
590 | else if (unlikely(int_status & TX_FIFO_OVERFLOW)) |
591 | bt_dev_warn(bdev->hdev, "Tx fifo overflow"); | |
592 | ||
d555b1f2 | 593 | if (test_bit(BTMTKSDIO_HW_TX_READY, &bdev->tx_state)) { |
10fe40e1 MC |
594 | skb = skb_dequeue(&bdev->txq); |
595 | if (skb) { | |
596 | err = btmtksdio_tx_packet(bdev, skb); | |
597 | if (err < 0) { | |
598 | bdev->hdev->stat.err_tx++; | |
599 | skb_queue_head(&bdev->txq, skb); | |
600 | } | |
601 | } | |
602 | } | |
603 | ||
26270bc1 | 604 | if (int_status & RX_DONE_INT) { |
184ea403 SW |
605 | rx_size = sdio_readl(bdev->func, MTK_REG_CRPLR, NULL); |
606 | rx_size = (rx_size & RX_PKT_LEN) >> 16; | |
26270bc1 SW |
607 | if (btmtksdio_rx_packet(bdev, rx_size) < 0) |
608 | bdev->hdev->stat.err_rx++; | |
609 | } | |
26270bc1 | 610 | } while (int_status || time_is_before_jiffies(txrx_timeout)); |
9aebfd4a | 611 | |
26270bc1 | 612 | /* Enable interrupt */ |
4ed924fc | 613 | sdio_writel(bdev->func, C_INT_EN_SET, MTK_REG_CHLPCR, NULL); |
9aebfd4a | 614 | |
26270bc1 | 615 | sdio_release_host(bdev->func); |
9aebfd4a | 616 | |
26270bc1 SW |
617 | pm_runtime_mark_last_busy(bdev->dev); |
618 | pm_runtime_put_autosuspend(bdev->dev); | |
619 | } | |
9aebfd4a | 620 | |
26270bc1 SW |
621 | static void btmtksdio_interrupt(struct sdio_func *func) |
622 | { | |
623 | struct btmtksdio_dev *bdev = sdio_get_drvdata(func); | |
9aebfd4a | 624 | |
4ed924fc ZJ |
625 | if (test_bit(BTMTKSDIO_BT_WAKE_ENABLED, &bdev->tx_state)) { |
626 | if (bdev->hdev->suspended) | |
627 | pm_wakeup_event(bdev->dev, 0); | |
628 | clear_bit(BTMTKSDIO_BT_WAKE_ENABLED, &bdev->tx_state); | |
629 | } | |
630 | ||
26270bc1 | 631 | /* Disable interrupt */ |
4ed924fc | 632 | sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, NULL); |
7f3c563c | 633 | |
26270bc1 | 634 | schedule_work(&bdev->txrx_work); |
9aebfd4a SW |
635 | } |
636 | ||
637 | static int btmtksdio_open(struct hci_dev *hdev) | |
638 | { | |
639 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); | |
c7e301d7 | 640 | u32 val; |
9aebfd4a | 641 | int err; |
9aebfd4a SW |
642 | |
643 | sdio_claim_host(bdev->func); | |
644 | ||
645 | err = sdio_enable_func(bdev->func); | |
646 | if (err < 0) | |
647 | goto err_release_host; | |
648 | ||
4b4b2228 SW |
649 | set_bit(BTMTKSDIO_FUNC_ENABLED, &bdev->tx_state); |
650 | ||
c7e301d7 | 651 | err = btmtksdio_drv_pmctrl(bdev); |
9aebfd4a SW |
652 | if (err < 0) |
653 | goto err_disable_func; | |
654 | ||
9aebfd4a SW |
655 | /* Disable interrupt & mask out all interrupt sources */ |
656 | sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, &err); | |
657 | if (err < 0) | |
658 | goto err_disable_func; | |
659 | ||
660 | sdio_writel(bdev->func, 0, MTK_REG_CHIER, &err); | |
661 | if (err < 0) | |
662 | goto err_disable_func; | |
663 | ||
664 | err = sdio_claim_irq(bdev->func, btmtksdio_interrupt); | |
665 | if (err < 0) | |
666 | goto err_disable_func; | |
667 | ||
668 | err = sdio_set_block_size(bdev->func, MTK_SDIO_BLOCK_SIZE); | |
669 | if (err < 0) | |
670 | goto err_release_irq; | |
671 | ||
672 | /* SDIO CMD 5 allows the SDIO device back to idle state an | |
673 | * synchronous interrupt is supported in SDIO 4-bit mode | |
674 | */ | |
5b23ac1a SW |
675 | val = sdio_readl(bdev->func, MTK_REG_CSDIOCSR, &err); |
676 | if (err < 0) | |
677 | goto err_release_irq; | |
678 | ||
679 | val |= SDIO_INT_CTL; | |
680 | sdio_writel(bdev->func, val, MTK_REG_CSDIOCSR, &err); | |
9aebfd4a SW |
681 | if (err < 0) |
682 | goto err_release_irq; | |
683 | ||
77b210d1 SW |
684 | /* Explitly set write-1-clear method */ |
685 | val = sdio_readl(bdev->func, MTK_REG_CHCR, &err); | |
686 | if (err < 0) | |
687 | goto err_release_irq; | |
688 | ||
689 | val |= C_INT_CLR_CTRL; | |
690 | sdio_writel(bdev->func, val, MTK_REG_CHCR, &err); | |
9aebfd4a SW |
691 | if (err < 0) |
692 | goto err_release_irq; | |
693 | ||
694 | /* Setup interrupt sources */ | |
695 | sdio_writel(bdev->func, RX_DONE_INT | TX_EMPTY | TX_FIFO_OVERFLOW, | |
696 | MTK_REG_CHIER, &err); | |
697 | if (err < 0) | |
698 | goto err_release_irq; | |
699 | ||
700 | /* Enable interrupt */ | |
701 | sdio_writel(bdev->func, C_INT_EN_SET, MTK_REG_CHLPCR, &err); | |
702 | if (err < 0) | |
703 | goto err_release_irq; | |
704 | ||
705 | sdio_release_host(bdev->func); | |
706 | ||
707 | return 0; | |
708 | ||
709 | err_release_irq: | |
710 | sdio_release_irq(bdev->func); | |
711 | ||
712 | err_disable_func: | |
713 | sdio_disable_func(bdev->func); | |
714 | ||
715 | err_release_host: | |
716 | sdio_release_host(bdev->func); | |
717 | ||
718 | return err; | |
719 | } | |
720 | ||
721 | static int btmtksdio_close(struct hci_dev *hdev) | |
722 | { | |
723 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); | |
9aebfd4a SW |
724 | |
725 | sdio_claim_host(bdev->func); | |
726 | ||
727 | /* Disable interrupt */ | |
728 | sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, NULL); | |
729 | ||
730 | sdio_release_irq(bdev->func); | |
731 | ||
26270bc1 SW |
732 | cancel_work_sync(&bdev->txrx_work); |
733 | ||
c7e301d7 | 734 | btmtksdio_fw_pmctrl(bdev); |
9aebfd4a | 735 | |
4b4b2228 | 736 | clear_bit(BTMTKSDIO_FUNC_ENABLED, &bdev->tx_state); |
9aebfd4a SW |
737 | sdio_disable_func(bdev->func); |
738 | ||
739 | sdio_release_host(bdev->func); | |
740 | ||
741 | return 0; | |
742 | } | |
743 | ||
744 | static int btmtksdio_flush(struct hci_dev *hdev) | |
745 | { | |
746 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); | |
747 | ||
748 | skb_queue_purge(&bdev->txq); | |
749 | ||
26270bc1 | 750 | cancel_work_sync(&bdev->txrx_work); |
9aebfd4a SW |
751 | |
752 | return 0; | |
753 | } | |
754 | ||
755 | static int btmtksdio_func_query(struct hci_dev *hdev) | |
756 | { | |
757 | struct btmtk_hci_wmt_params wmt_params; | |
758 | int status, err; | |
759 | u8 param = 0; | |
760 | ||
761 | /* Query whether the function is enabled */ | |
3a722044 | 762 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; |
9aebfd4a SW |
763 | wmt_params.flag = 4; |
764 | wmt_params.dlen = sizeof(param); | |
765 | wmt_params.data = ¶m; | |
766 | wmt_params.status = &status; | |
767 | ||
768 | err = mtk_hci_wmt_sync(hdev, &wmt_params); | |
769 | if (err < 0) { | |
770 | bt_dev_err(hdev, "Failed to query function status (%d)", err); | |
771 | return err; | |
772 | } | |
773 | ||
774 | return status; | |
775 | } | |
776 | ||
c603bf1f | 777 | static int mt76xx_setup(struct hci_dev *hdev, const char *fwname) |
9aebfd4a | 778 | { |
01ecc177 | 779 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); |
9aebfd4a | 780 | struct btmtk_hci_wmt_params wmt_params; |
9aebfd4a | 781 | struct btmtk_tci_sleep tci_sleep; |
9aebfd4a SW |
782 | struct sk_buff *skb; |
783 | int err, status; | |
784 | u8 param = 0x1; | |
785 | ||
9aebfd4a | 786 | /* Query whether the firmware is already download */ |
3a722044 | 787 | wmt_params.op = BTMTK_WMT_SEMAPHORE; |
9aebfd4a SW |
788 | wmt_params.flag = 1; |
789 | wmt_params.dlen = 0; | |
790 | wmt_params.data = NULL; | |
791 | wmt_params.status = &status; | |
792 | ||
793 | err = mtk_hci_wmt_sync(hdev, &wmt_params); | |
794 | if (err < 0) { | |
795 | bt_dev_err(hdev, "Failed to query firmware status (%d)", err); | |
796 | return err; | |
797 | } | |
798 | ||
799 | if (status == BTMTK_WMT_PATCH_DONE) { | |
800 | bt_dev_info(hdev, "Firmware already downloaded"); | |
801 | goto ignore_setup_fw; | |
802 | } | |
803 | ||
804 | /* Setup a firmware which the device definitely requires */ | |
c603bf1f | 805 | err = btmtk_setup_firmware(hdev, fwname, mtk_hci_wmt_sync); |
9aebfd4a SW |
806 | if (err < 0) |
807 | return err; | |
808 | ||
809 | ignore_setup_fw: | |
810 | /* Query whether the device is already enabled */ | |
811 | err = readx_poll_timeout(btmtksdio_func_query, hdev, status, | |
812 | status < 0 || status != BTMTK_WMT_ON_PROGRESS, | |
813 | 2000, 5000000); | |
814 | /* -ETIMEDOUT happens */ | |
815 | if (err < 0) | |
816 | return err; | |
817 | ||
818 | /* The other errors happen in btusb_mtk_func_query */ | |
819 | if (status < 0) | |
820 | return status; | |
821 | ||
822 | if (status == BTMTK_WMT_ON_DONE) { | |
823 | bt_dev_info(hdev, "function already on"); | |
824 | goto ignore_func_on; | |
825 | } | |
826 | ||
827 | /* Enable Bluetooth protocol */ | |
3a722044 | 828 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; |
9aebfd4a SW |
829 | wmt_params.flag = 0; |
830 | wmt_params.dlen = sizeof(param); | |
831 | wmt_params.data = ¶m; | |
832 | wmt_params.status = NULL; | |
833 | ||
834 | err = mtk_hci_wmt_sync(hdev, &wmt_params); | |
835 | if (err < 0) { | |
836 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); | |
837 | return err; | |
838 | } | |
839 | ||
01ecc177 MC |
840 | set_bit(BTMTKSDIO_PATCH_ENABLED, &bdev->tx_state); |
841 | ||
9aebfd4a SW |
842 | ignore_func_on: |
843 | /* Apply the low power environment setup */ | |
844 | tci_sleep.mode = 0x5; | |
845 | tci_sleep.duration = cpu_to_le16(0x640); | |
846 | tci_sleep.host_duration = cpu_to_le16(0x640); | |
847 | tci_sleep.host_wakeup_pin = 0; | |
848 | tci_sleep.time_compensation = 0; | |
849 | ||
850 | skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep, | |
851 | HCI_INIT_TIMEOUT); | |
852 | if (IS_ERR(skb)) { | |
853 | err = PTR_ERR(skb); | |
854 | bt_dev_err(hdev, "Failed to apply low power setting (%d)", err); | |
855 | return err; | |
856 | } | |
857 | kfree_skb(skb); | |
858 | ||
c603bf1f SW |
859 | return 0; |
860 | } | |
861 | ||
862 | static int mt79xx_setup(struct hci_dev *hdev, const char *fwname) | |
863 | { | |
01ecc177 | 864 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); |
c603bf1f SW |
865 | struct btmtk_hci_wmt_params wmt_params; |
866 | u8 param = 0x1; | |
867 | int err; | |
868 | ||
869 | err = btmtk_setup_firmware_79xx(hdev, fwname, mtk_hci_wmt_sync); | |
870 | if (err < 0) { | |
871 | bt_dev_err(hdev, "Failed to setup 79xx firmware (%d)", err); | |
872 | return err; | |
873 | } | |
874 | ||
74697205 SW |
875 | err = btmtksdio_fw_pmctrl(bdev); |
876 | if (err < 0) | |
877 | return err; | |
878 | ||
879 | err = btmtksdio_drv_pmctrl(bdev); | |
880 | if (err < 0) | |
881 | return err; | |
882 | ||
c603bf1f SW |
883 | /* Enable Bluetooth protocol */ |
884 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; | |
885 | wmt_params.flag = 0; | |
886 | wmt_params.dlen = sizeof(param); | |
887 | wmt_params.data = ¶m; | |
888 | wmt_params.status = NULL; | |
889 | ||
890 | err = mtk_hci_wmt_sync(hdev, &wmt_params); | |
891 | if (err < 0) { | |
892 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); | |
893 | return err; | |
894 | } | |
895 | ||
630491ff | 896 | hci_set_msft_opcode(hdev, 0xFD30); |
16ada83b | 897 | hci_set_aosp_capable(hdev); |
01ecc177 | 898 | set_bit(BTMTKSDIO_PATCH_ENABLED, &bdev->tx_state); |
630491ff | 899 | |
c603bf1f SW |
900 | return err; |
901 | } | |
902 | ||
4b685879 | 903 | static int btmtksdio_mtk_reg_read(struct hci_dev *hdev, u32 reg, u32 *val) |
c603bf1f SW |
904 | { |
905 | struct btmtk_hci_wmt_params wmt_params; | |
5677bcf6 | 906 | struct reg_read_cmd reg_read = { |
c603bf1f SW |
907 | .type = 1, |
908 | .num = 1, | |
909 | }; | |
910 | u32 status; | |
911 | int err; | |
912 | ||
913 | reg_read.addr = cpu_to_le32(reg); | |
914 | wmt_params.op = BTMTK_WMT_REGISTER; | |
915 | wmt_params.flag = BTMTK_WMT_REG_READ; | |
916 | wmt_params.dlen = sizeof(reg_read); | |
917 | wmt_params.data = ®_read; | |
918 | wmt_params.status = &status; | |
919 | ||
920 | err = mtk_hci_wmt_sync(hdev, &wmt_params); | |
921 | if (err < 0) { | |
386f626a | 922 | bt_dev_err(hdev, "Failed to read reg (%d)", err); |
c603bf1f SW |
923 | return err; |
924 | } | |
925 | ||
926 | *val = status; | |
927 | ||
928 | return err; | |
929 | } | |
930 | ||
191c8723 MC |
931 | static int btmtksdio_mtk_reg_write(struct hci_dev *hdev, u32 reg, u32 val, u32 mask) |
932 | { | |
933 | struct btmtk_hci_wmt_params wmt_params; | |
934 | const struct reg_write_cmd reg_write = { | |
935 | .type = 1, | |
936 | .num = 1, | |
937 | .addr = cpu_to_le32(reg), | |
938 | .data = cpu_to_le32(val), | |
939 | .mask = cpu_to_le32(mask), | |
940 | }; | |
941 | int err, status; | |
942 | ||
943 | wmt_params.op = BTMTK_WMT_REGISTER; | |
944 | wmt_params.flag = BTMTK_WMT_REG_WRITE; | |
945 | wmt_params.dlen = sizeof(reg_write); | |
946 | wmt_params.data = ®_write; | |
947 | wmt_params.status = &status; | |
948 | ||
949 | err = mtk_hci_wmt_sync(hdev, &wmt_params); | |
950 | if (err < 0) | |
951 | bt_dev_err(hdev, "Failed to write reg (%d)", err); | |
952 | ||
953 | return err; | |
954 | } | |
955 | ||
d786105e YY |
956 | static int btmtksdio_get_data_path_id(struct hci_dev *hdev, __u8 *data_path_id) |
957 | { | |
958 | /* uses 1 as data path id for all the usecases */ | |
959 | *data_path_id = 1; | |
960 | return 0; | |
961 | } | |
962 | ||
f41b91fa YY |
963 | static int btmtksdio_get_codec_config_data(struct hci_dev *hdev, |
964 | __u8 link, struct bt_codec *codec, | |
965 | __u8 *ven_len, __u8 **ven_data) | |
966 | { | |
967 | int err = 0; | |
968 | ||
969 | if (!ven_data || !ven_len) | |
970 | return -EINVAL; | |
971 | ||
972 | *ven_len = 0; | |
973 | *ven_data = NULL; | |
974 | ||
975 | if (link != ESCO_LINK) { | |
976 | bt_dev_err(hdev, "Invalid link type(%u)", link); | |
977 | return -EINVAL; | |
978 | } | |
979 | ||
980 | *ven_data = kmalloc(sizeof(__u8), GFP_KERNEL); | |
789f6b8a | 981 | if (!*ven_data) { |
f41b91fa YY |
982 | err = -ENOMEM; |
983 | goto error; | |
984 | } | |
985 | ||
986 | /* supports only CVSD and mSBC offload codecs */ | |
987 | switch (codec->id) { | |
988 | case 0x02: | |
989 | **ven_data = 0x00; | |
990 | break; | |
991 | case 0x05: | |
992 | **ven_data = 0x01; | |
993 | break; | |
994 | default: | |
995 | err = -EINVAL; | |
996 | bt_dev_err(hdev, "Invalid codec id(%u)", codec->id); | |
997 | goto error; | |
998 | } | |
999 | /* codec and its capabilities are pre-defined to ids | |
1000 | * preset id = 0x00 represents CVSD codec with sampling rate 8K | |
1001 | * preset id = 0x01 represents mSBC codec with sampling rate 16K | |
1002 | */ | |
1003 | *ven_len = sizeof(__u8); | |
1004 | return err; | |
1005 | ||
1006 | error: | |
1007 | kfree(*ven_data); | |
1008 | *ven_data = NULL; | |
1009 | return err; | |
1010 | } | |
1011 | ||
191c8723 MC |
1012 | static int btmtksdio_sco_setting(struct hci_dev *hdev) |
1013 | { | |
1014 | const struct btmtk_sco sco_setting = { | |
1015 | .clock_config = 0x49, | |
1016 | .channel_format_config = 0x80, | |
1017 | }; | |
1018 | struct sk_buff *skb; | |
1019 | u32 val; | |
1020 | int err; | |
1021 | ||
1022 | /* Enable SCO over I2S/PCM for MediaTek chipset */ | |
1023 | skb = __hci_cmd_sync(hdev, 0xfc72, sizeof(sco_setting), | |
1024 | &sco_setting, HCI_CMD_TIMEOUT); | |
1025 | if (IS_ERR(skb)) | |
1026 | return PTR_ERR(skb); | |
1027 | ||
1028 | kfree_skb(skb); | |
1029 | ||
1030 | err = btmtksdio_mtk_reg_read(hdev, MT7921_PINMUX_0, &val); | |
1031 | if (err < 0) | |
1032 | return err; | |
1033 | ||
1034 | val |= 0x11000000; | |
1035 | err = btmtksdio_mtk_reg_write(hdev, MT7921_PINMUX_0, val, ~0); | |
1036 | if (err < 0) | |
1037 | return err; | |
1038 | ||
1039 | err = btmtksdio_mtk_reg_read(hdev, MT7921_PINMUX_1, &val); | |
1040 | if (err < 0) | |
1041 | return err; | |
1042 | ||
1043 | val |= 0x00000101; | |
d786105e YY |
1044 | err = btmtksdio_mtk_reg_write(hdev, MT7921_PINMUX_1, val, ~0); |
1045 | if (err < 0) | |
1046 | return err; | |
1047 | ||
1048 | hdev->get_data_path_id = btmtksdio_get_data_path_id; | |
f41b91fa | 1049 | hdev->get_codec_config_data = btmtksdio_get_codec_config_data; |
d786105e YY |
1050 | |
1051 | return err; | |
191c8723 MC |
1052 | } |
1053 | ||
8fafe702 CYC |
1054 | static int btmtksdio_reset_setting(struct hci_dev *hdev) |
1055 | { | |
1056 | int err; | |
1057 | u32 val; | |
1058 | ||
1059 | err = btmtksdio_mtk_reg_read(hdev, MT7921_PINMUX_1, &val); | |
1060 | if (err < 0) | |
1061 | return err; | |
1062 | ||
1063 | val |= 0x20; /* set the pin (bit field 11:8) work as GPIO mode */ | |
1064 | err = btmtksdio_mtk_reg_write(hdev, MT7921_PINMUX_1, val, ~0); | |
1065 | if (err < 0) | |
1066 | return err; | |
1067 | ||
1068 | err = btmtksdio_mtk_reg_read(hdev, MT7921_BTSYS_RST, &val); | |
1069 | if (err < 0) | |
1070 | return err; | |
1071 | ||
1072 | val |= MT7921_BTSYS_RST_WITH_GPIO; | |
1073 | return btmtksdio_mtk_reg_write(hdev, MT7921_BTSYS_RST, val, ~0); | |
1074 | } | |
1075 | ||
c603bf1f SW |
1076 | static int btmtksdio_setup(struct hci_dev *hdev) |
1077 | { | |
1078 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); | |
1079 | ktime_t calltime, delta, rettime; | |
1080 | unsigned long long duration; | |
1081 | char fwname[64]; | |
1082 | int err, dev_id; | |
8fafe702 | 1083 | u32 fw_version = 0, val; |
c603bf1f SW |
1084 | |
1085 | calltime = ktime_get(); | |
d555b1f2 | 1086 | set_bit(BTMTKSDIO_HW_TX_READY, &bdev->tx_state); |
c603bf1f SW |
1087 | |
1088 | switch (bdev->data->chipid) { | |
1089 | case 0x7921: | |
8fafe702 CYC |
1090 | if (test_bit(BTMTKSDIO_HW_RESET_ACTIVE, &bdev->tx_state)) { |
1091 | err = btmtksdio_mtk_reg_read(hdev, MT7921_DLSTATUS, | |
1092 | &val); | |
1093 | if (err < 0) | |
1094 | return err; | |
1095 | ||
1096 | val &= ~BT_DL_STATE; | |
1097 | err = btmtksdio_mtk_reg_write(hdev, MT7921_DLSTATUS, | |
1098 | val, ~0); | |
1099 | if (err < 0) | |
1100 | return err; | |
1101 | ||
1102 | btmtksdio_fw_pmctrl(bdev); | |
1103 | msleep(20); | |
1104 | btmtksdio_drv_pmctrl(bdev); | |
1105 | ||
1106 | clear_bit(BTMTKSDIO_HW_RESET_ACTIVE, &bdev->tx_state); | |
1107 | } | |
1108 | ||
4b685879 | 1109 | err = btmtksdio_mtk_reg_read(hdev, 0x70010200, &dev_id); |
c603bf1f SW |
1110 | if (err < 0) { |
1111 | bt_dev_err(hdev, "Failed to get device id (%d)", err); | |
1112 | return err; | |
1113 | } | |
1114 | ||
4b685879 | 1115 | err = btmtksdio_mtk_reg_read(hdev, 0x80021004, &fw_version); |
c603bf1f SW |
1116 | if (err < 0) { |
1117 | bt_dev_err(hdev, "Failed to get fw version (%d)", err); | |
1118 | return err; | |
1119 | } | |
1120 | ||
7f935b21 SW |
1121 | btmtk_fw_get_filename(fwname, sizeof(fwname), dev_id, |
1122 | fw_version, 0); | |
1123 | ||
c603bf1f SW |
1124 | snprintf(fwname, sizeof(fwname), |
1125 | "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin", | |
1126 | dev_id & 0xffff, (fw_version & 0xff) + 1); | |
1127 | err = mt79xx_setup(hdev, fwname); | |
1128 | if (err < 0) | |
1129 | return err; | |
191c8723 MC |
1130 | |
1131 | /* Enable SCO over I2S/PCM */ | |
1132 | err = btmtksdio_sco_setting(hdev); | |
1133 | if (err < 0) { | |
1134 | bt_dev_err(hdev, "Failed to enable SCO setting (%d)", err); | |
1135 | return err; | |
1136 | } | |
1137 | ||
5ad80cfc YY |
1138 | /* Enable WBS with mSBC codec */ |
1139 | set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks); | |
1140 | ||
8fafe702 CYC |
1141 | /* Enable GPIO reset mechanism */ |
1142 | if (bdev->reset) { | |
1143 | err = btmtksdio_reset_setting(hdev); | |
1144 | if (err < 0) { | |
1145 | bt_dev_err(hdev, "Failed to enable Reset setting (%d)", err); | |
1146 | devm_gpiod_put(bdev->dev, bdev->reset); | |
1147 | bdev->reset = NULL; | |
1148 | } | |
1149 | } | |
1150 | ||
c603bf1f SW |
1151 | break; |
1152 | case 0x7663: | |
1153 | case 0x7668: | |
1154 | err = mt76xx_setup(hdev, bdev->data->fwname); | |
1155 | if (err < 0) | |
1156 | return err; | |
1157 | break; | |
1158 | default: | |
1159 | return -ENODEV; | |
1160 | } | |
1161 | ||
9aebfd4a SW |
1162 | rettime = ktime_get(); |
1163 | delta = ktime_sub(rettime, calltime); | |
1164 | duration = (unsigned long long)ktime_to_ns(delta) >> 10; | |
1165 | ||
7f3c563c SW |
1166 | pm_runtime_set_autosuspend_delay(bdev->dev, |
1167 | MTKBTSDIO_AUTOSUSPEND_DELAY); | |
1168 | pm_runtime_use_autosuspend(bdev->dev); | |
1169 | ||
1170 | err = pm_runtime_set_active(bdev->dev); | |
1171 | if (err < 0) | |
1172 | return err; | |
1173 | ||
1174 | /* Default forbid runtime auto suspend, that can be allowed by | |
1175 | * enable_autosuspend flag or the PM runtime entry under sysfs. | |
1176 | */ | |
1177 | pm_runtime_forbid(bdev->dev); | |
1178 | pm_runtime_enable(bdev->dev); | |
1179 | ||
1180 | if (enable_autosuspend) | |
1181 | pm_runtime_allow(bdev->dev); | |
1182 | ||
9aebfd4a SW |
1183 | bt_dev_info(hdev, "Device setup in %llu usecs", duration); |
1184 | ||
1185 | return 0; | |
1186 | } | |
1187 | ||
1188 | static int btmtksdio_shutdown(struct hci_dev *hdev) | |
1189 | { | |
7f3c563c | 1190 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); |
9aebfd4a SW |
1191 | struct btmtk_hci_wmt_params wmt_params; |
1192 | u8 param = 0x0; | |
1193 | int err; | |
1194 | ||
7f3c563c SW |
1195 | /* Get back the state to be consistent with the state |
1196 | * in btmtksdio_setup. | |
1197 | */ | |
1198 | pm_runtime_get_sync(bdev->dev); | |
1199 | ||
baabb7f5 SW |
1200 | /* wmt command only works until the reset is complete */ |
1201 | if (test_bit(BTMTKSDIO_HW_RESET_ACTIVE, &bdev->tx_state)) | |
1202 | goto ignore_wmt_cmd; | |
1203 | ||
9aebfd4a | 1204 | /* Disable the device */ |
3a722044 | 1205 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; |
9aebfd4a SW |
1206 | wmt_params.flag = 0; |
1207 | wmt_params.dlen = sizeof(param); | |
1208 | wmt_params.data = ¶m; | |
1209 | wmt_params.status = NULL; | |
1210 | ||
1211 | err = mtk_hci_wmt_sync(hdev, &wmt_params); | |
1212 | if (err < 0) { | |
1213 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); | |
1214 | return err; | |
1215 | } | |
1216 | ||
baabb7f5 | 1217 | ignore_wmt_cmd: |
7f3c563c SW |
1218 | pm_runtime_put_noidle(bdev->dev); |
1219 | pm_runtime_disable(bdev->dev); | |
1220 | ||
9aebfd4a SW |
1221 | return 0; |
1222 | } | |
1223 | ||
1224 | static int btmtksdio_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1225 | { | |
1226 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); | |
1227 | ||
1228 | switch (hci_skb_pkt_type(skb)) { | |
1229 | case HCI_COMMAND_PKT: | |
1230 | hdev->stat.cmd_tx++; | |
1231 | break; | |
1232 | ||
1233 | case HCI_ACLDATA_PKT: | |
1234 | hdev->stat.acl_tx++; | |
1235 | break; | |
1236 | ||
1237 | case HCI_SCODATA_PKT: | |
1238 | hdev->stat.sco_tx++; | |
1239 | break; | |
1240 | ||
1241 | default: | |
1242 | return -EILSEQ; | |
1243 | } | |
1244 | ||
1245 | skb_queue_tail(&bdev->txq, skb); | |
1246 | ||
26270bc1 | 1247 | schedule_work(&bdev->txrx_work); |
9aebfd4a SW |
1248 | |
1249 | return 0; | |
1250 | } | |
1251 | ||
8fafe702 CYC |
1252 | static void btmtksdio_cmd_timeout(struct hci_dev *hdev) |
1253 | { | |
1254 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); | |
1255 | u32 status; | |
1256 | int err; | |
1257 | ||
1258 | if (!bdev->reset || bdev->data->chipid != 0x7921) | |
1259 | return; | |
1260 | ||
1261 | pm_runtime_get_sync(bdev->dev); | |
1262 | ||
1263 | if (test_and_set_bit(BTMTKSDIO_HW_RESET_ACTIVE, &bdev->tx_state)) | |
1264 | return; | |
1265 | ||
1266 | sdio_claim_host(bdev->func); | |
1267 | ||
1268 | sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, NULL); | |
1269 | skb_queue_purge(&bdev->txq); | |
1270 | cancel_work_sync(&bdev->txrx_work); | |
1271 | ||
1272 | gpiod_set_value_cansleep(bdev->reset, 1); | |
1273 | msleep(100); | |
1274 | gpiod_set_value_cansleep(bdev->reset, 0); | |
1275 | ||
1276 | err = readx_poll_timeout(btmtksdio_chcr_query, bdev, status, | |
1277 | status & BT_RST_DONE, 100000, 2000000); | |
1278 | if (err < 0) { | |
1279 | bt_dev_err(hdev, "Failed to reset (%d)", err); | |
1280 | goto err; | |
1281 | } | |
1282 | ||
1283 | clear_bit(BTMTKSDIO_PATCH_ENABLED, &bdev->tx_state); | |
1284 | err: | |
1285 | sdio_release_host(bdev->func); | |
1286 | ||
1287 | pm_runtime_put_noidle(bdev->dev); | |
1288 | pm_runtime_disable(bdev->dev); | |
1289 | ||
1290 | hci_reset_dev(hdev); | |
1291 | } | |
1292 | ||
df332800 SW |
1293 | static bool btmtksdio_sdio_inband_wakeup(struct hci_dev *hdev) |
1294 | { | |
1295 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); | |
1296 | ||
1297 | return device_may_wakeup(bdev->dev); | |
1298 | } | |
1299 | ||
ce64b3e9 MC |
1300 | static bool btmtksdio_sdio_wakeup(struct hci_dev *hdev) |
1301 | { | |
1302 | struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); | |
1303 | bool may_wakeup = device_may_wakeup(bdev->dev); | |
1304 | const struct btmtk_wakeon bt_awake = { | |
1305 | .mode = 0x1, | |
1306 | .gpo = 0, | |
1307 | .active_high = 0x1, | |
1308 | .enable_delay = cpu_to_le16(0xc80), | |
1309 | .wakeup_delay = cpu_to_le16(0x20), | |
1310 | }; | |
1311 | ||
1312 | if (may_wakeup && bdev->data->chipid == 0x7921) { | |
1313 | struct sk_buff *skb; | |
1314 | ||
1315 | skb = __hci_cmd_sync(hdev, 0xfc27, sizeof(bt_awake), | |
1316 | &bt_awake, HCI_CMD_TIMEOUT); | |
1317 | if (IS_ERR(skb)) | |
1318 | may_wakeup = false; | |
eb3f0517 YY |
1319 | else |
1320 | kfree_skb(skb); | |
ce64b3e9 MC |
1321 | } |
1322 | ||
1323 | return may_wakeup; | |
1324 | } | |
1325 | ||
9aebfd4a SW |
1326 | static int btmtksdio_probe(struct sdio_func *func, |
1327 | const struct sdio_device_id *id) | |
1328 | { | |
1329 | struct btmtksdio_dev *bdev; | |
1330 | struct hci_dev *hdev; | |
1331 | int err; | |
1332 | ||
1333 | bdev = devm_kzalloc(&func->dev, sizeof(*bdev), GFP_KERNEL); | |
1334 | if (!bdev) | |
1335 | return -ENOMEM; | |
1336 | ||
1337 | bdev->data = (void *)id->driver_data; | |
1338 | if (!bdev->data) | |
1339 | return -ENODEV; | |
1340 | ||
7f3c563c | 1341 | bdev->dev = &func->dev; |
9aebfd4a SW |
1342 | bdev->func = func; |
1343 | ||
26270bc1 | 1344 | INIT_WORK(&bdev->txrx_work, btmtksdio_txrx_work); |
9aebfd4a SW |
1345 | skb_queue_head_init(&bdev->txq); |
1346 | ||
1347 | /* Initialize and register HCI device */ | |
1348 | hdev = hci_alloc_dev(); | |
1349 | if (!hdev) { | |
1350 | dev_err(&func->dev, "Can't allocate HCI device\n"); | |
1351 | return -ENOMEM; | |
1352 | } | |
1353 | ||
1354 | bdev->hdev = hdev; | |
1355 | ||
1356 | hdev->bus = HCI_SDIO; | |
1357 | hci_set_drvdata(hdev, bdev); | |
1358 | ||
1359 | hdev->open = btmtksdio_open; | |
1360 | hdev->close = btmtksdio_close; | |
8fafe702 | 1361 | hdev->cmd_timeout = btmtksdio_cmd_timeout; |
9aebfd4a SW |
1362 | hdev->flush = btmtksdio_flush; |
1363 | hdev->setup = btmtksdio_setup; | |
1364 | hdev->shutdown = btmtksdio_shutdown; | |
1365 | hdev->send = btmtksdio_send_frame; | |
ce64b3e9 | 1366 | hdev->wakeup = btmtksdio_sdio_wakeup; |
df332800 SW |
1367 | /* |
1368 | * If SDIO controller supports wake on Bluetooth, sending a wakeon | |
1369 | * command is not necessary. | |
1370 | */ | |
1371 | if (device_can_wakeup(func->card->host->parent)) | |
1372 | hdev->wakeup = btmtksdio_sdio_inband_wakeup; | |
1373 | else | |
1374 | hdev->wakeup = btmtksdio_sdio_wakeup; | |
877ec9e1 SW |
1375 | hdev->set_bdaddr = btmtk_set_bdaddr; |
1376 | ||
9aebfd4a SW |
1377 | SET_HCIDEV_DEV(hdev, &func->dev); |
1378 | ||
1379 | hdev->manufacturer = 70; | |
1380 | set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); | |
1381 | ||
b062a0b9 YY |
1382 | sdio_set_drvdata(func, bdev); |
1383 | ||
9aebfd4a SW |
1384 | err = hci_register_dev(hdev); |
1385 | if (err < 0) { | |
1386 | dev_err(&func->dev, "Can't register HCI device\n"); | |
1387 | hci_free_dev(hdev); | |
1388 | return err; | |
1389 | } | |
1390 | ||
7f3c563c SW |
1391 | /* pm_runtime_enable would be done after the firmware is being |
1392 | * downloaded because the core layer probably already enables | |
1393 | * runtime PM for this func such as the case host->caps & | |
1394 | * MMC_CAP_POWER_OFF_CARD. | |
1395 | */ | |
1396 | if (pm_runtime_enabled(bdev->dev)) | |
1397 | pm_runtime_disable(bdev->dev); | |
1398 | ||
1399 | /* As explaination in drivers/mmc/core/sdio_bus.c tells us: | |
1400 | * Unbound SDIO functions are always suspended. | |
1401 | * During probe, the function is set active and the usage count | |
1402 | * is incremented. If the driver supports runtime PM, | |
1403 | * it should call pm_runtime_put_noidle() in its probe routine and | |
1404 | * pm_runtime_get_noresume() in its remove routine. | |
1405 | * | |
1406 | * So, put a pm_runtime_put_noidle here ! | |
1407 | */ | |
1408 | pm_runtime_put_noidle(bdev->dev); | |
1409 | ||
ce64b3e9 MC |
1410 | err = device_init_wakeup(bdev->dev, true); |
1411 | if (err) | |
1412 | bt_dev_err(hdev, "failed to initialize device wakeup"); | |
1413 | ||
8fafe702 CYC |
1414 | bdev->dev->of_node = of_find_compatible_node(NULL, NULL, |
1415 | "mediatek,mt7921s-bluetooth"); | |
1416 | bdev->reset = devm_gpiod_get_optional(bdev->dev, "reset", | |
1417 | GPIOD_OUT_LOW); | |
1418 | if (IS_ERR(bdev->reset)) | |
1419 | err = PTR_ERR(bdev->reset); | |
1420 | ||
ce64b3e9 | 1421 | return err; |
9aebfd4a SW |
1422 | } |
1423 | ||
1424 | static void btmtksdio_remove(struct sdio_func *func) | |
1425 | { | |
1426 | struct btmtksdio_dev *bdev = sdio_get_drvdata(func); | |
1427 | struct hci_dev *hdev; | |
1428 | ||
1429 | if (!bdev) | |
1430 | return; | |
1431 | ||
7f3c563c SW |
1432 | /* Be consistent the state in btmtksdio_probe */ |
1433 | pm_runtime_get_noresume(bdev->dev); | |
1434 | ||
9aebfd4a SW |
1435 | hdev = bdev->hdev; |
1436 | ||
1437 | sdio_set_drvdata(func, NULL); | |
1438 | hci_unregister_dev(hdev); | |
1439 | hci_free_dev(hdev); | |
1440 | } | |
1441 | ||
7f3c563c SW |
1442 | #ifdef CONFIG_PM |
1443 | static int btmtksdio_runtime_suspend(struct device *dev) | |
1444 | { | |
1445 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1446 | struct btmtksdio_dev *bdev; | |
7f3c563c SW |
1447 | int err; |
1448 | ||
1449 | bdev = sdio_get_drvdata(func); | |
1450 | if (!bdev) | |
1451 | return 0; | |
1452 | ||
4b4b2228 SW |
1453 | if (!test_bit(BTMTKSDIO_FUNC_ENABLED, &bdev->tx_state)) |
1454 | return 0; | |
1455 | ||
561ae1d4 SW |
1456 | sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); |
1457 | ||
c7e301d7 | 1458 | err = btmtksdio_fw_pmctrl(bdev); |
7f3c563c | 1459 | |
095519de | 1460 | bt_dev_dbg(bdev->hdev, "status (%d) return ownership to device", err); |
7f3c563c | 1461 | |
7f3c563c SW |
1462 | return err; |
1463 | } | |
1464 | ||
4ed924fc ZJ |
1465 | static int btmtksdio_system_suspend(struct device *dev) |
1466 | { | |
1467 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1468 | struct btmtksdio_dev *bdev; | |
1469 | ||
1470 | bdev = sdio_get_drvdata(func); | |
1471 | if (!bdev) | |
1472 | return 0; | |
1473 | ||
1474 | if (!test_bit(BTMTKSDIO_FUNC_ENABLED, &bdev->tx_state)) | |
1475 | return 0; | |
1476 | ||
1477 | set_bit(BTMTKSDIO_BT_WAKE_ENABLED, &bdev->tx_state); | |
1478 | ||
1479 | return btmtksdio_runtime_suspend(dev); | |
1480 | } | |
1481 | ||
7f3c563c SW |
1482 | static int btmtksdio_runtime_resume(struct device *dev) |
1483 | { | |
1484 | struct sdio_func *func = dev_to_sdio_func(dev); | |
1485 | struct btmtksdio_dev *bdev; | |
7f3c563c SW |
1486 | int err; |
1487 | ||
1488 | bdev = sdio_get_drvdata(func); | |
1489 | if (!bdev) | |
1490 | return 0; | |
1491 | ||
4b4b2228 SW |
1492 | if (!test_bit(BTMTKSDIO_FUNC_ENABLED, &bdev->tx_state)) |
1493 | return 0; | |
1494 | ||
c7e301d7 | 1495 | err = btmtksdio_drv_pmctrl(bdev); |
7f3c563c | 1496 | |
095519de | 1497 | bt_dev_dbg(bdev->hdev, "status (%d) get ownership from device", err); |
7f3c563c | 1498 | |
7f3c563c SW |
1499 | return err; |
1500 | } | |
1501 | ||
4ed924fc ZJ |
1502 | static int btmtksdio_system_resume(struct device *dev) |
1503 | { | |
1504 | return btmtksdio_runtime_resume(dev); | |
1505 | } | |
1506 | ||
1507 | static const struct dev_pm_ops btmtksdio_pm_ops = { | |
1508 | SYSTEM_SLEEP_PM_OPS(btmtksdio_system_suspend, btmtksdio_system_resume) | |
1509 | RUNTIME_PM_OPS(btmtksdio_runtime_suspend, btmtksdio_runtime_resume, NULL) | |
1510 | }; | |
1511 | ||
7f3c563c SW |
1512 | #define BTMTKSDIO_PM_OPS (&btmtksdio_pm_ops) |
1513 | #else /* CONFIG_PM */ | |
1514 | #define BTMTKSDIO_PM_OPS NULL | |
1515 | #endif /* CONFIG_PM */ | |
1516 | ||
9aebfd4a SW |
1517 | static struct sdio_driver btmtksdio_driver = { |
1518 | .name = "btmtksdio", | |
1519 | .probe = btmtksdio_probe, | |
1520 | .remove = btmtksdio_remove, | |
1521 | .id_table = btmtksdio_table, | |
7f3c563c | 1522 | .drv = { |
7f3c563c SW |
1523 | .pm = BTMTKSDIO_PM_OPS, |
1524 | } | |
9aebfd4a SW |
1525 | }; |
1526 | ||
a6094a46 | 1527 | module_sdio_driver(btmtksdio_driver); |
9aebfd4a | 1528 | |
7f3c563c SW |
1529 | module_param(enable_autosuspend, bool, 0644); |
1530 | MODULE_PARM_DESC(enable_autosuspend, "Enable autosuspend by default"); | |
1531 | ||
9aebfd4a SW |
1532 | MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); |
1533 | MODULE_DESCRIPTION("MediaTek Bluetooth SDIO driver ver " VERSION); | |
1534 | MODULE_VERSION(VERSION); | |
1535 | MODULE_LICENSE("GPL"); |