2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include <linux/pci.h>
19 #include <linux/module.h>
20 #include <linux/interrupt.h>
21 #include <linux/spinlock.h>
22 #include <linux/bitops.h>
28 #include "targaddrs.h"
37 enum ath10k_pci_reset_mode {
38 ATH10K_PCI_RESET_AUTO = 0,
39 ATH10K_PCI_RESET_WARM_ONLY = 1,
42 static unsigned int ath10k_pci_irq_mode = ATH10K_PCI_IRQ_AUTO;
43 static unsigned int ath10k_pci_reset_mode = ATH10K_PCI_RESET_AUTO;
45 module_param_named(irq_mode, ath10k_pci_irq_mode, uint, 0644);
46 MODULE_PARM_DESC(irq_mode, "0: auto, 1: legacy, 2: msi (default: 0)");
48 module_param_named(reset_mode, ath10k_pci_reset_mode, uint, 0644);
49 MODULE_PARM_DESC(reset_mode, "0: auto, 1: warm only (default: 0)");
51 /* how long wait to wait for target to initialise, in ms */
52 #define ATH10K_PCI_TARGET_WAIT 3000
53 #define ATH10K_PCI_NUM_WARM_RESET_ATTEMPTS 3
55 /* Maximum number of bytes that can be handled atomically by
56 * diag read and write.
58 #define ATH10K_DIAG_TRANSFER_LIMIT 0x5000
60 #define QCA99X0_PCIE_BAR0_START_REG 0x81030
61 #define QCA99X0_CPU_MEM_ADDR_REG 0x4d00c
62 #define QCA99X0_CPU_MEM_DATA_REG 0x4d010
64 static const struct pci_device_id ath10k_pci_id_table[] = {
65 /* PCI-E QCA988X V2 (Ubiquiti branded) */
66 { PCI_VDEVICE(UBIQUITI, QCA988X_2_0_DEVICE_ID_UBNT) },
68 { PCI_VDEVICE(ATHEROS, QCA988X_2_0_DEVICE_ID) }, /* PCI-E QCA988X V2 */
69 { PCI_VDEVICE(ATHEROS, QCA6164_2_1_DEVICE_ID) }, /* PCI-E QCA6164 V2.1 */
70 { PCI_VDEVICE(ATHEROS, QCA6174_2_1_DEVICE_ID) }, /* PCI-E QCA6174 V2.1 */
71 { PCI_VDEVICE(ATHEROS, QCA99X0_2_0_DEVICE_ID) }, /* PCI-E QCA99X0 V2 */
72 { PCI_VDEVICE(ATHEROS, QCA9888_2_0_DEVICE_ID) }, /* PCI-E QCA9888 V2 */
73 { PCI_VDEVICE(ATHEROS, QCA9984_1_0_DEVICE_ID) }, /* PCI-E QCA9984 V1 */
74 { PCI_VDEVICE(ATHEROS, QCA9377_1_0_DEVICE_ID) }, /* PCI-E QCA9377 V1 */
75 { PCI_VDEVICE(ATHEROS, QCA9887_1_0_DEVICE_ID) }, /* PCI-E QCA9887 */
79 static const struct ath10k_pci_supp_chip ath10k_pci_supp_chips[] = {
80 /* QCA988X pre 2.0 chips are not supported because they need some nasty
81 * hacks. ath10k doesn't have them and these devices crash horribly
84 { QCA988X_2_0_DEVICE_ID_UBNT, QCA988X_HW_2_0_CHIP_ID_REV },
85 { QCA988X_2_0_DEVICE_ID, QCA988X_HW_2_0_CHIP_ID_REV },
87 { QCA6164_2_1_DEVICE_ID, QCA6174_HW_2_1_CHIP_ID_REV },
88 { QCA6164_2_1_DEVICE_ID, QCA6174_HW_2_2_CHIP_ID_REV },
89 { QCA6164_2_1_DEVICE_ID, QCA6174_HW_3_0_CHIP_ID_REV },
90 { QCA6164_2_1_DEVICE_ID, QCA6174_HW_3_1_CHIP_ID_REV },
91 { QCA6164_2_1_DEVICE_ID, QCA6174_HW_3_2_CHIP_ID_REV },
93 { QCA6174_2_1_DEVICE_ID, QCA6174_HW_2_1_CHIP_ID_REV },
94 { QCA6174_2_1_DEVICE_ID, QCA6174_HW_2_2_CHIP_ID_REV },
95 { QCA6174_2_1_DEVICE_ID, QCA6174_HW_3_0_CHIP_ID_REV },
96 { QCA6174_2_1_DEVICE_ID, QCA6174_HW_3_1_CHIP_ID_REV },
97 { QCA6174_2_1_DEVICE_ID, QCA6174_HW_3_2_CHIP_ID_REV },
99 { QCA99X0_2_0_DEVICE_ID, QCA99X0_HW_2_0_CHIP_ID_REV },
101 { QCA9984_1_0_DEVICE_ID, QCA9984_HW_1_0_CHIP_ID_REV },
103 { QCA9888_2_0_DEVICE_ID, QCA9888_HW_2_0_CHIP_ID_REV },
105 { QCA9377_1_0_DEVICE_ID, QCA9377_HW_1_0_CHIP_ID_REV },
106 { QCA9377_1_0_DEVICE_ID, QCA9377_HW_1_1_CHIP_ID_REV },
108 { QCA9887_1_0_DEVICE_ID, QCA9887_HW_1_0_CHIP_ID_REV },
111 static void ath10k_pci_buffer_cleanup(struct ath10k *ar);
112 static int ath10k_pci_cold_reset(struct ath10k *ar);
113 static int ath10k_pci_safe_chip_reset(struct ath10k *ar);
114 static int ath10k_pci_init_irq(struct ath10k *ar);
115 static int ath10k_pci_deinit_irq(struct ath10k *ar);
116 static int ath10k_pci_request_irq(struct ath10k *ar);
117 static void ath10k_pci_free_irq(struct ath10k *ar);
118 static int ath10k_pci_bmi_wait(struct ath10k *ar,
119 struct ath10k_ce_pipe *tx_pipe,
120 struct ath10k_ce_pipe *rx_pipe,
121 struct bmi_xfer *xfer);
122 static int ath10k_pci_qca99x0_chip_reset(struct ath10k *ar);
123 static void ath10k_pci_htc_tx_cb(struct ath10k_ce_pipe *ce_state);
124 static void ath10k_pci_htc_rx_cb(struct ath10k_ce_pipe *ce_state);
125 static void ath10k_pci_htt_tx_cb(struct ath10k_ce_pipe *ce_state);
126 static void ath10k_pci_htt_rx_cb(struct ath10k_ce_pipe *ce_state);
127 static void ath10k_pci_htt_htc_rx_cb(struct ath10k_ce_pipe *ce_state);
128 static void ath10k_pci_pktlog_rx_cb(struct ath10k_ce_pipe *ce_state);
130 static struct ce_attr host_ce_config_wlan[] = {
131 /* CE0: host->target HTC control and raw streams */
133 .flags = CE_ATTR_FLAGS,
137 .send_cb = ath10k_pci_htc_tx_cb,
140 /* CE1: target->host HTT + HTC control */
142 .flags = CE_ATTR_FLAGS,
145 .dest_nentries = 512,
146 .recv_cb = ath10k_pci_htt_htc_rx_cb,
149 /* CE2: target->host WMI */
151 .flags = CE_ATTR_FLAGS,
154 .dest_nentries = 128,
155 .recv_cb = ath10k_pci_htc_rx_cb,
158 /* CE3: host->target WMI */
160 .flags = CE_ATTR_FLAGS,
164 .send_cb = ath10k_pci_htc_tx_cb,
167 /* CE4: host->target HTT */
169 .flags = CE_ATTR_FLAGS | CE_ATTR_DIS_INTR,
170 .src_nentries = CE_HTT_H2T_MSG_SRC_NENTRIES,
173 .send_cb = ath10k_pci_htt_tx_cb,
176 /* CE5: target->host HTT (HIF->HTT) */
178 .flags = CE_ATTR_FLAGS,
181 .dest_nentries = 512,
182 .recv_cb = ath10k_pci_htt_rx_cb,
185 /* CE6: target autonomous hif_memcpy */
187 .flags = CE_ATTR_FLAGS,
193 /* CE7: ce_diag, the Diagnostic Window */
195 .flags = CE_ATTR_FLAGS | CE_ATTR_POLL,
197 .src_sz_max = DIAG_TRANSFER_LIMIT,
201 /* CE8: target->host pktlog */
203 .flags = CE_ATTR_FLAGS,
206 .dest_nentries = 128,
207 .recv_cb = ath10k_pci_pktlog_rx_cb,
210 /* CE9 target autonomous qcache memcpy */
212 .flags = CE_ATTR_FLAGS,
218 /* CE10: target autonomous hif memcpy */
220 .flags = CE_ATTR_FLAGS,
226 /* CE11: target autonomous hif memcpy */
228 .flags = CE_ATTR_FLAGS,
235 /* Target firmware's Copy Engine configuration. */
236 static struct ce_pipe_config target_ce_config_wlan[] = {
237 /* CE0: host->target HTC control and raw streams */
239 .pipenum = __cpu_to_le32(0),
240 .pipedir = __cpu_to_le32(PIPEDIR_OUT),
241 .nentries = __cpu_to_le32(32),
242 .nbytes_max = __cpu_to_le32(256),
243 .flags = __cpu_to_le32(CE_ATTR_FLAGS),
244 .reserved = __cpu_to_le32(0),
247 /* CE1: target->host HTT + HTC control */
249 .pipenum = __cpu_to_le32(1),
250 .pipedir = __cpu_to_le32(PIPEDIR_IN),
251 .nentries = __cpu_to_le32(32),
252 .nbytes_max = __cpu_to_le32(2048),
253 .flags = __cpu_to_le32(CE_ATTR_FLAGS),
254 .reserved = __cpu_to_le32(0),
257 /* CE2: target->host WMI */
259 .pipenum = __cpu_to_le32(2),
260 .pipedir = __cpu_to_le32(PIPEDIR_IN),
261 .nentries = __cpu_to_le32(64),
262 .nbytes_max = __cpu_to_le32(2048),
263 .flags = __cpu_to_le32(CE_ATTR_FLAGS),
264 .reserved = __cpu_to_le32(0),
267 /* CE3: host->target WMI */
269 .pipenum = __cpu_to_le32(3),
270 .pipedir = __cpu_to_le32(PIPEDIR_OUT),
271 .nentries = __cpu_to_le32(32),
272 .nbytes_max = __cpu_to_le32(2048),
273 .flags = __cpu_to_le32(CE_ATTR_FLAGS),
274 .reserved = __cpu_to_le32(0),
277 /* CE4: host->target HTT */
279 .pipenum = __cpu_to_le32(4),
280 .pipedir = __cpu_to_le32(PIPEDIR_OUT),
281 .nentries = __cpu_to_le32(256),
282 .nbytes_max = __cpu_to_le32(256),
283 .flags = __cpu_to_le32(CE_ATTR_FLAGS),
284 .reserved = __cpu_to_le32(0),
287 /* NB: 50% of src nentries, since tx has 2 frags */
289 /* CE5: target->host HTT (HIF->HTT) */
291 .pipenum = __cpu_to_le32(5),
292 .pipedir = __cpu_to_le32(PIPEDIR_IN),
293 .nentries = __cpu_to_le32(32),
294 .nbytes_max = __cpu_to_le32(512),
295 .flags = __cpu_to_le32(CE_ATTR_FLAGS),
296 .reserved = __cpu_to_le32(0),
299 /* CE6: Reserved for target autonomous hif_memcpy */
301 .pipenum = __cpu_to_le32(6),
302 .pipedir = __cpu_to_le32(PIPEDIR_INOUT),
303 .nentries = __cpu_to_le32(32),
304 .nbytes_max = __cpu_to_le32(4096),
305 .flags = __cpu_to_le32(CE_ATTR_FLAGS),
306 .reserved = __cpu_to_le32(0),
309 /* CE7 used only by Host */
311 .pipenum = __cpu_to_le32(7),
312 .pipedir = __cpu_to_le32(PIPEDIR_INOUT),
313 .nentries = __cpu_to_le32(0),
314 .nbytes_max = __cpu_to_le32(0),
315 .flags = __cpu_to_le32(0),
316 .reserved = __cpu_to_le32(0),
319 /* CE8 target->host packtlog */
321 .pipenum = __cpu_to_le32(8),
322 .pipedir = __cpu_to_le32(PIPEDIR_IN),
323 .nentries = __cpu_to_le32(64),
324 .nbytes_max = __cpu_to_le32(2048),
325 .flags = __cpu_to_le32(CE_ATTR_FLAGS | CE_ATTR_DIS_INTR),
326 .reserved = __cpu_to_le32(0),
329 /* CE9 target autonomous qcache memcpy */
331 .pipenum = __cpu_to_le32(9),
332 .pipedir = __cpu_to_le32(PIPEDIR_INOUT),
333 .nentries = __cpu_to_le32(32),
334 .nbytes_max = __cpu_to_le32(2048),
335 .flags = __cpu_to_le32(CE_ATTR_FLAGS | CE_ATTR_DIS_INTR),
336 .reserved = __cpu_to_le32(0),
339 /* It not necessary to send target wlan configuration for CE10 & CE11
340 * as these CEs are not actively used in target.
345 * Map from service/endpoint to Copy Engine.
346 * This table is derived from the CE_PCI TABLE, above.
347 * It is passed to the Target at startup for use by firmware.
349 static struct service_to_pipe target_service_to_ce_map_wlan[] = {
351 __cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_VO),
352 __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */
356 __cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_VO),
357 __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */
361 __cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_BK),
362 __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */
366 __cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_BK),
367 __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */
371 __cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_BE),
372 __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */
376 __cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_BE),
377 __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */
381 __cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_VI),
382 __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */
386 __cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_VI),
387 __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */
391 __cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_CONTROL),
392 __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */
396 __cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_CONTROL),
397 __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */
401 __cpu_to_le32(ATH10K_HTC_SVC_ID_RSVD_CTRL),
402 __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */
406 __cpu_to_le32(ATH10K_HTC_SVC_ID_RSVD_CTRL),
407 __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */
411 __cpu_to_le32(ATH10K_HTC_SVC_ID_TEST_RAW_STREAMS),
412 __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */
416 __cpu_to_le32(ATH10K_HTC_SVC_ID_TEST_RAW_STREAMS),
417 __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */
421 __cpu_to_le32(ATH10K_HTC_SVC_ID_HTT_DATA_MSG),
422 __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */
426 __cpu_to_le32(ATH10K_HTC_SVC_ID_HTT_DATA_MSG),
427 __cpu_to_le32(PIPEDIR_IN), /* in = DL = target -> host */
431 /* (Additions here) */
440 static bool ath10k_pci_is_awake(struct ath10k *ar)
442 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
443 u32 val = ioread32(ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS +
446 return RTC_STATE_V_GET(val) == RTC_STATE_V_ON;
449 static void __ath10k_pci_wake(struct ath10k *ar)
451 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
453 lockdep_assert_held(&ar_pci->ps_lock);
455 ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps wake reg refcount %lu awake %d\n",
456 ar_pci->ps_wake_refcount, ar_pci->ps_awake);
458 iowrite32(PCIE_SOC_WAKE_V_MASK,
459 ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS +
460 PCIE_SOC_WAKE_ADDRESS);
463 static void __ath10k_pci_sleep(struct ath10k *ar)
465 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
467 lockdep_assert_held(&ar_pci->ps_lock);
469 ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps sleep reg refcount %lu awake %d\n",
470 ar_pci->ps_wake_refcount, ar_pci->ps_awake);
472 iowrite32(PCIE_SOC_WAKE_RESET,
473 ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS +
474 PCIE_SOC_WAKE_ADDRESS);
475 ar_pci->ps_awake = false;
478 static int ath10k_pci_wake_wait(struct ath10k *ar)
483 while (tot_delay < PCIE_WAKE_TIMEOUT) {
484 if (ath10k_pci_is_awake(ar)) {
485 if (tot_delay > PCIE_WAKE_LATE_US)
486 ath10k_warn(ar, "device wakeup took %d ms which is unusually long, otherwise it works normally.\n",
492 tot_delay += curr_delay;
501 static int ath10k_pci_force_wake(struct ath10k *ar)
503 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
510 spin_lock_irqsave(&ar_pci->ps_lock, flags);
512 if (!ar_pci->ps_awake) {
513 iowrite32(PCIE_SOC_WAKE_V_MASK,
514 ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS +
515 PCIE_SOC_WAKE_ADDRESS);
517 ret = ath10k_pci_wake_wait(ar);
519 ar_pci->ps_awake = true;
522 spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
527 static void ath10k_pci_force_sleep(struct ath10k *ar)
529 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
532 spin_lock_irqsave(&ar_pci->ps_lock, flags);
534 iowrite32(PCIE_SOC_WAKE_RESET,
535 ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS +
536 PCIE_SOC_WAKE_ADDRESS);
537 ar_pci->ps_awake = false;
539 spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
542 static int ath10k_pci_wake(struct ath10k *ar)
544 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
548 if (ar_pci->pci_ps == 0)
551 spin_lock_irqsave(&ar_pci->ps_lock, flags);
553 ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps wake refcount %lu awake %d\n",
554 ar_pci->ps_wake_refcount, ar_pci->ps_awake);
556 /* This function can be called very frequently. To avoid excessive
557 * CPU stalls for MMIO reads use a cache var to hold the device state.
559 if (!ar_pci->ps_awake) {
560 __ath10k_pci_wake(ar);
562 ret = ath10k_pci_wake_wait(ar);
564 ar_pci->ps_awake = true;
568 ar_pci->ps_wake_refcount++;
569 WARN_ON(ar_pci->ps_wake_refcount == 0);
572 spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
577 static void ath10k_pci_sleep(struct ath10k *ar)
579 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
582 if (ar_pci->pci_ps == 0)
585 spin_lock_irqsave(&ar_pci->ps_lock, flags);
587 ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps sleep refcount %lu awake %d\n",
588 ar_pci->ps_wake_refcount, ar_pci->ps_awake);
590 if (WARN_ON(ar_pci->ps_wake_refcount == 0))
593 ar_pci->ps_wake_refcount--;
595 mod_timer(&ar_pci->ps_timer, jiffies +
596 msecs_to_jiffies(ATH10K_PCI_SLEEP_GRACE_PERIOD_MSEC));
599 spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
602 static void ath10k_pci_ps_timer(struct timer_list *t)
604 struct ath10k_pci *ar_pci = from_timer(ar_pci, t, ps_timer);
605 struct ath10k *ar = ar_pci->ar;
608 spin_lock_irqsave(&ar_pci->ps_lock, flags);
610 ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps timer refcount %lu awake %d\n",
611 ar_pci->ps_wake_refcount, ar_pci->ps_awake);
613 if (ar_pci->ps_wake_refcount > 0)
616 __ath10k_pci_sleep(ar);
619 spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
622 static void ath10k_pci_sleep_sync(struct ath10k *ar)
624 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
627 if (ar_pci->pci_ps == 0) {
628 ath10k_pci_force_sleep(ar);
632 del_timer_sync(&ar_pci->ps_timer);
634 spin_lock_irqsave(&ar_pci->ps_lock, flags);
635 WARN_ON(ar_pci->ps_wake_refcount > 0);
636 __ath10k_pci_sleep(ar);
637 spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
640 static void ath10k_bus_pci_write32(struct ath10k *ar, u32 offset, u32 value)
642 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
645 if (unlikely(offset + sizeof(value) > ar_pci->mem_len)) {
646 ath10k_warn(ar, "refusing to write mmio out of bounds at 0x%08x - 0x%08zx (max 0x%08zx)\n",
647 offset, offset + sizeof(value), ar_pci->mem_len);
651 ret = ath10k_pci_wake(ar);
653 ath10k_warn(ar, "failed to wake target for write32 of 0x%08x at 0x%08x: %d\n",
658 iowrite32(value, ar_pci->mem + offset);
659 ath10k_pci_sleep(ar);
662 static u32 ath10k_bus_pci_read32(struct ath10k *ar, u32 offset)
664 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
668 if (unlikely(offset + sizeof(val) > ar_pci->mem_len)) {
669 ath10k_warn(ar, "refusing to read mmio out of bounds at 0x%08x - 0x%08zx (max 0x%08zx)\n",
670 offset, offset + sizeof(val), ar_pci->mem_len);
674 ret = ath10k_pci_wake(ar);
676 ath10k_warn(ar, "failed to wake target for read32 at 0x%08x: %d\n",
681 val = ioread32(ar_pci->mem + offset);
682 ath10k_pci_sleep(ar);
687 inline void ath10k_pci_write32(struct ath10k *ar, u32 offset, u32 value)
689 struct ath10k_ce *ce = ath10k_ce_priv(ar);
691 ce->bus_ops->write32(ar, offset, value);
694 inline u32 ath10k_pci_read32(struct ath10k *ar, u32 offset)
696 struct ath10k_ce *ce = ath10k_ce_priv(ar);
698 return ce->bus_ops->read32(ar, offset);
701 u32 ath10k_pci_soc_read32(struct ath10k *ar, u32 addr)
703 return ath10k_pci_read32(ar, RTC_SOC_BASE_ADDRESS + addr);
706 void ath10k_pci_soc_write32(struct ath10k *ar, u32 addr, u32 val)
708 ath10k_pci_write32(ar, RTC_SOC_BASE_ADDRESS + addr, val);
711 u32 ath10k_pci_reg_read32(struct ath10k *ar, u32 addr)
713 return ath10k_pci_read32(ar, PCIE_LOCAL_BASE_ADDRESS + addr);
716 void ath10k_pci_reg_write32(struct ath10k *ar, u32 addr, u32 val)
718 ath10k_pci_write32(ar, PCIE_LOCAL_BASE_ADDRESS + addr, val);
721 bool ath10k_pci_irq_pending(struct ath10k *ar)
725 /* Check if the shared legacy irq is for us */
726 cause = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
727 PCIE_INTR_CAUSE_ADDRESS);
728 if (cause & (PCIE_INTR_FIRMWARE_MASK | PCIE_INTR_CE_MASK_ALL))
734 void ath10k_pci_disable_and_clear_legacy_irq(struct ath10k *ar)
736 /* IMPORTANT: INTR_CLR register has to be set after
737 * INTR_ENABLE is set to 0, otherwise interrupt can not be
740 ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + PCIE_INTR_ENABLE_ADDRESS,
742 ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + PCIE_INTR_CLR_ADDRESS,
743 PCIE_INTR_FIRMWARE_MASK | PCIE_INTR_CE_MASK_ALL);
745 /* IMPORTANT: this extra read transaction is required to
746 * flush the posted write buffer.
748 (void)ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
749 PCIE_INTR_ENABLE_ADDRESS);
752 void ath10k_pci_enable_legacy_irq(struct ath10k *ar)
754 ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS +
755 PCIE_INTR_ENABLE_ADDRESS,
756 PCIE_INTR_FIRMWARE_MASK | PCIE_INTR_CE_MASK_ALL);
758 /* IMPORTANT: this extra read transaction is required to
759 * flush the posted write buffer.
761 (void)ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
762 PCIE_INTR_ENABLE_ADDRESS);
765 static inline const char *ath10k_pci_get_irq_method(struct ath10k *ar)
767 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
769 if (ar_pci->oper_irq_mode == ATH10K_PCI_IRQ_MSI)
775 static int __ath10k_pci_rx_post_buf(struct ath10k_pci_pipe *pipe)
777 struct ath10k *ar = pipe->hif_ce_state;
778 struct ath10k_ce *ce = ath10k_ce_priv(ar);
779 struct ath10k_ce_pipe *ce_pipe = pipe->ce_hdl;
784 skb = dev_alloc_skb(pipe->buf_sz);
788 WARN_ONCE((unsigned long)skb->data & 3, "unaligned skb");
790 paddr = dma_map_single(ar->dev, skb->data,
791 skb->len + skb_tailroom(skb),
793 if (unlikely(dma_mapping_error(ar->dev, paddr))) {
794 ath10k_warn(ar, "failed to dma map pci rx buf\n");
795 dev_kfree_skb_any(skb);
799 ATH10K_SKB_RXCB(skb)->paddr = paddr;
801 spin_lock_bh(&ce->ce_lock);
802 ret = ce_pipe->ops->ce_rx_post_buf(ce_pipe, skb, paddr);
803 spin_unlock_bh(&ce->ce_lock);
805 dma_unmap_single(ar->dev, paddr, skb->len + skb_tailroom(skb),
807 dev_kfree_skb_any(skb);
814 static void ath10k_pci_rx_post_pipe(struct ath10k_pci_pipe *pipe)
816 struct ath10k *ar = pipe->hif_ce_state;
817 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
818 struct ath10k_ce *ce = ath10k_ce_priv(ar);
819 struct ath10k_ce_pipe *ce_pipe = pipe->ce_hdl;
822 if (pipe->buf_sz == 0)
825 if (!ce_pipe->dest_ring)
828 spin_lock_bh(&ce->ce_lock);
829 num = __ath10k_ce_rx_num_free_bufs(ce_pipe);
830 spin_unlock_bh(&ce->ce_lock);
833 ret = __ath10k_pci_rx_post_buf(pipe);
837 ath10k_warn(ar, "failed to post pci rx buf: %d\n", ret);
838 mod_timer(&ar_pci->rx_post_retry, jiffies +
839 ATH10K_PCI_RX_POST_RETRY_MS);
846 void ath10k_pci_rx_post(struct ath10k *ar)
848 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
851 for (i = 0; i < CE_COUNT; i++)
852 ath10k_pci_rx_post_pipe(&ar_pci->pipe_info[i]);
855 void ath10k_pci_rx_replenish_retry(struct timer_list *t)
857 struct ath10k_pci *ar_pci = from_timer(ar_pci, t, rx_post_retry);
858 struct ath10k *ar = ar_pci->ar;
860 ath10k_pci_rx_post(ar);
863 static u32 ath10k_pci_qca988x_targ_cpu_to_ce_addr(struct ath10k *ar, u32 addr)
865 u32 val = 0, region = addr & 0xfffff;
867 val = (ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS)
869 val |= 0x100000 | region;
873 /* Refactor from ath10k_pci_qca988x_targ_cpu_to_ce_addr.
874 * Support to access target space below 1M for qca6174 and qca9377.
875 * If target space is below 1M, the bit[20] of converted CE addr is 0.
876 * Otherwise bit[20] of converted CE addr is 1.
878 static u32 ath10k_pci_qca6174_targ_cpu_to_ce_addr(struct ath10k *ar, u32 addr)
880 u32 val = 0, region = addr & 0xfffff;
882 val = (ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS)
884 val |= ((addr >= 0x100000) ? 0x100000 : 0) | region;
888 static u32 ath10k_pci_qca99x0_targ_cpu_to_ce_addr(struct ath10k *ar, u32 addr)
890 u32 val = 0, region = addr & 0xfffff;
892 val = ath10k_pci_read32(ar, PCIE_BAR_REG_ADDRESS);
893 val |= 0x100000 | region;
897 static u32 ath10k_pci_targ_cpu_to_ce_addr(struct ath10k *ar, u32 addr)
899 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
901 if (WARN_ON_ONCE(!ar_pci->targ_cpu_to_ce_addr))
904 return ar_pci->targ_cpu_to_ce_addr(ar, addr);
908 * Diagnostic read/write access is provided for startup/config/debug usage.
909 * Caller must guarantee proper alignment, when applicable, and single user
912 static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data,
915 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
916 struct ath10k_ce *ce = ath10k_ce_priv(ar);
919 unsigned int completed_nbytes, alloc_nbytes, remaining_bytes;
920 struct ath10k_ce_pipe *ce_diag;
921 /* Host buffer address in CE space */
923 dma_addr_t ce_data_base = 0;
924 void *data_buf = NULL;
927 spin_lock_bh(&ce->ce_lock);
929 ce_diag = ar_pci->ce_diag;
932 * Allocate a temporary bounce buffer to hold caller's data
933 * to be DMA'ed from Target. This guarantees
934 * 1) 4-byte alignment
935 * 2) Buffer in DMA-able space
937 alloc_nbytes = min_t(unsigned int, nbytes, DIAG_TRANSFER_LIMIT);
939 data_buf = (unsigned char *)dma_zalloc_coherent(ar->dev,
949 /* The address supplied by the caller is in the
950 * Target CPU virtual address space.
952 * In order to use this address with the diagnostic CE,
953 * convert it from Target CPU virtual address space
954 * to CE address space
956 address = ath10k_pci_targ_cpu_to_ce_addr(ar, address);
958 remaining_bytes = nbytes;
959 ce_data = ce_data_base;
960 while (remaining_bytes) {
961 nbytes = min_t(unsigned int, remaining_bytes,
962 DIAG_TRANSFER_LIMIT);
964 ret = ce_diag->ops->ce_rx_post_buf(ce_diag, &ce_data, ce_data);
968 /* Request CE to send from Target(!) address to Host buffer */
969 ret = ath10k_ce_send_nolock(ce_diag, NULL, (u32)address, nbytes, 0,
975 while (ath10k_ce_completed_send_next_nolock(ce_diag,
977 udelay(DIAG_ACCESS_CE_WAIT_US);
978 i += DIAG_ACCESS_CE_WAIT_US;
980 if (i > DIAG_ACCESS_CE_TIMEOUT_US) {
987 while (ath10k_ce_completed_recv_next_nolock(ce_diag,
991 udelay(DIAG_ACCESS_CE_WAIT_US);
992 i += DIAG_ACCESS_CE_WAIT_US;
994 if (i > DIAG_ACCESS_CE_TIMEOUT_US) {
1000 if (nbytes != completed_nbytes) {
1005 if (*buf != ce_data) {
1010 remaining_bytes -= nbytes;
1011 memcpy(data, data_buf, nbytes);
1020 dma_free_coherent(ar->dev, alloc_nbytes, data_buf,
1023 spin_unlock_bh(&ce->ce_lock);
1028 static int ath10k_pci_diag_read32(struct ath10k *ar, u32 address, u32 *value)
1033 ret = ath10k_pci_diag_read_mem(ar, address, &val, sizeof(val));
1034 *value = __le32_to_cpu(val);
1039 static int __ath10k_pci_diag_read_hi(struct ath10k *ar, void *dest,
1042 u32 host_addr, addr;
1045 host_addr = host_interest_item_address(src);
1047 ret = ath10k_pci_diag_read32(ar, host_addr, &addr);
1049 ath10k_warn(ar, "failed to get memcpy hi address for firmware address %d: %d\n",
1054 ret = ath10k_pci_diag_read_mem(ar, addr, dest, len);
1056 ath10k_warn(ar, "failed to memcpy firmware memory from %d (%d B): %d\n",
1064 #define ath10k_pci_diag_read_hi(ar, dest, src, len) \
1065 __ath10k_pci_diag_read_hi(ar, dest, HI_ITEM(src), len)
1067 int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address,
1068 const void *data, int nbytes)
1070 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
1071 struct ath10k_ce *ce = ath10k_ce_priv(ar);
1074 unsigned int completed_nbytes, alloc_nbytes, remaining_bytes;
1075 struct ath10k_ce_pipe *ce_diag;
1076 void *data_buf = NULL;
1077 dma_addr_t ce_data_base = 0;
1080 spin_lock_bh(&ce->ce_lock);
1082 ce_diag = ar_pci->ce_diag;
1085 * Allocate a temporary bounce buffer to hold caller's data
1086 * to be DMA'ed to Target. This guarantees
1087 * 1) 4-byte alignment
1088 * 2) Buffer in DMA-able space
1090 alloc_nbytes = min_t(unsigned int, nbytes, DIAG_TRANSFER_LIMIT);
1092 data_buf = (unsigned char *)dma_alloc_coherent(ar->dev,
1102 * The address supplied by the caller is in the
1103 * Target CPU virtual address space.
1105 * In order to use this address with the diagnostic CE,
1107 * Target CPU virtual address space
1111 address = ath10k_pci_targ_cpu_to_ce_addr(ar, address);
1113 remaining_bytes = nbytes;
1114 while (remaining_bytes) {
1115 /* FIXME: check cast */
1116 nbytes = min_t(int, remaining_bytes, DIAG_TRANSFER_LIMIT);
1118 /* Copy caller's data to allocated DMA buf */
1119 memcpy(data_buf, data, nbytes);
1121 /* Set up to receive directly into Target(!) address */
1122 ret = ce_diag->ops->ce_rx_post_buf(ce_diag, &address, address);
1127 * Request CE to send caller-supplied data that
1128 * was copied to bounce buffer to Target(!) address.
1130 ret = ath10k_ce_send_nolock(ce_diag, NULL, ce_data_base,
1136 while (ath10k_ce_completed_send_next_nolock(ce_diag,
1138 udelay(DIAG_ACCESS_CE_WAIT_US);
1139 i += DIAG_ACCESS_CE_WAIT_US;
1141 if (i > DIAG_ACCESS_CE_TIMEOUT_US) {
1148 while (ath10k_ce_completed_recv_next_nolock(ce_diag,
1152 udelay(DIAG_ACCESS_CE_WAIT_US);
1153 i += DIAG_ACCESS_CE_WAIT_US;
1155 if (i > DIAG_ACCESS_CE_TIMEOUT_US) {
1161 if (nbytes != completed_nbytes) {
1166 if (*buf != address) {
1171 remaining_bytes -= nbytes;
1178 dma_free_coherent(ar->dev, alloc_nbytes, data_buf,
1183 ath10k_warn(ar, "failed to write diag value at 0x%x: %d\n",
1186 spin_unlock_bh(&ce->ce_lock);
1191 static int ath10k_pci_diag_write32(struct ath10k *ar, u32 address, u32 value)
1193 __le32 val = __cpu_to_le32(value);
1195 return ath10k_pci_diag_write_mem(ar, address, &val, sizeof(val));
1198 /* Called by lower (CE) layer when a send to Target completes. */
1199 static void ath10k_pci_htc_tx_cb(struct ath10k_ce_pipe *ce_state)
1201 struct ath10k *ar = ce_state->ar;
1202 struct sk_buff_head list;
1203 struct sk_buff *skb;
1205 __skb_queue_head_init(&list);
1206 while (ath10k_ce_completed_send_next(ce_state, (void **)&skb) == 0) {
1207 /* no need to call tx completion for NULL pointers */
1211 __skb_queue_tail(&list, skb);
1214 while ((skb = __skb_dequeue(&list)))
1215 ath10k_htc_tx_completion_handler(ar, skb);
1218 static void ath10k_pci_process_rx_cb(struct ath10k_ce_pipe *ce_state,
1219 void (*callback)(struct ath10k *ar,
1220 struct sk_buff *skb))
1222 struct ath10k *ar = ce_state->ar;
1223 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
1224 struct ath10k_pci_pipe *pipe_info = &ar_pci->pipe_info[ce_state->id];
1225 struct sk_buff *skb;
1226 struct sk_buff_head list;
1227 void *transfer_context;
1228 unsigned int nbytes, max_nbytes;
1230 __skb_queue_head_init(&list);
1231 while (ath10k_ce_completed_recv_next(ce_state, &transfer_context,
1233 skb = transfer_context;
1234 max_nbytes = skb->len + skb_tailroom(skb);
1235 dma_unmap_single(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
1236 max_nbytes, DMA_FROM_DEVICE);
1238 if (unlikely(max_nbytes < nbytes)) {
1239 ath10k_warn(ar, "rxed more than expected (nbytes %d, max %d)",
1240 nbytes, max_nbytes);
1241 dev_kfree_skb_any(skb);
1245 skb_put(skb, nbytes);
1246 __skb_queue_tail(&list, skb);
1249 while ((skb = __skb_dequeue(&list))) {
1250 ath10k_dbg(ar, ATH10K_DBG_PCI, "pci rx ce pipe %d len %d\n",
1251 ce_state->id, skb->len);
1252 ath10k_dbg_dump(ar, ATH10K_DBG_PCI_DUMP, NULL, "pci rx: ",
1253 skb->data, skb->len);
1258 ath10k_pci_rx_post_pipe(pipe_info);
1261 static void ath10k_pci_process_htt_rx_cb(struct ath10k_ce_pipe *ce_state,
1262 void (*callback)(struct ath10k *ar,
1263 struct sk_buff *skb))
1265 struct ath10k *ar = ce_state->ar;
1266 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
1267 struct ath10k_pci_pipe *pipe_info = &ar_pci->pipe_info[ce_state->id];
1268 struct ath10k_ce_pipe *ce_pipe = pipe_info->ce_hdl;
1269 struct sk_buff *skb;
1270 struct sk_buff_head list;
1271 void *transfer_context;
1272 unsigned int nbytes, max_nbytes, nentries;
1275 /* No need to aquire ce_lock for CE5, since this is the only place CE5
1276 * is processed other than init and deinit. Before releasing CE5
1277 * buffers, interrupts are disabled. Thus CE5 access is serialized.
1279 __skb_queue_head_init(&list);
1280 while (ath10k_ce_completed_recv_next_nolock(ce_state, &transfer_context,
1282 skb = transfer_context;
1283 max_nbytes = skb->len + skb_tailroom(skb);
1285 if (unlikely(max_nbytes < nbytes)) {
1286 ath10k_warn(ar, "rxed more than expected (nbytes %d, max %d)",
1287 nbytes, max_nbytes);
1291 dma_sync_single_for_cpu(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
1292 max_nbytes, DMA_FROM_DEVICE);
1293 skb_put(skb, nbytes);
1294 __skb_queue_tail(&list, skb);
1297 nentries = skb_queue_len(&list);
1298 while ((skb = __skb_dequeue(&list))) {
1299 ath10k_dbg(ar, ATH10K_DBG_PCI, "pci rx ce pipe %d len %d\n",
1300 ce_state->id, skb->len);
1301 ath10k_dbg_dump(ar, ATH10K_DBG_PCI_DUMP, NULL, "pci rx: ",
1302 skb->data, skb->len);
1304 orig_len = skb->len;
1306 skb_push(skb, orig_len - skb->len);
1307 skb_reset_tail_pointer(skb);
1310 /*let device gain the buffer again*/
1311 dma_sync_single_for_device(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
1312 skb->len + skb_tailroom(skb),
1315 ath10k_ce_rx_update_write_idx(ce_pipe, nentries);
1318 /* Called by lower (CE) layer when data is received from the Target. */
1319 static void ath10k_pci_htc_rx_cb(struct ath10k_ce_pipe *ce_state)
1321 ath10k_pci_process_rx_cb(ce_state, ath10k_htc_rx_completion_handler);
1324 static void ath10k_pci_htt_htc_rx_cb(struct ath10k_ce_pipe *ce_state)
1326 /* CE4 polling needs to be done whenever CE pipe which transports
1327 * HTT Rx (target->host) is processed.
1329 ath10k_ce_per_engine_service(ce_state->ar, 4);
1331 ath10k_pci_process_rx_cb(ce_state, ath10k_htc_rx_completion_handler);
1334 /* Called by lower (CE) layer when data is received from the Target.
1335 * Only 10.4 firmware uses separate CE to transfer pktlog data.
1337 static void ath10k_pci_pktlog_rx_cb(struct ath10k_ce_pipe *ce_state)
1339 ath10k_pci_process_rx_cb(ce_state,
1340 ath10k_htt_rx_pktlog_completion_handler);
1343 /* Called by lower (CE) layer when a send to HTT Target completes. */
1344 static void ath10k_pci_htt_tx_cb(struct ath10k_ce_pipe *ce_state)
1346 struct ath10k *ar = ce_state->ar;
1347 struct sk_buff *skb;
1349 while (ath10k_ce_completed_send_next(ce_state, (void **)&skb) == 0) {
1350 /* no need to call tx completion for NULL pointers */
1354 dma_unmap_single(ar->dev, ATH10K_SKB_CB(skb)->paddr,
1355 skb->len, DMA_TO_DEVICE);
1356 ath10k_htt_hif_tx_complete(ar, skb);
1360 static void ath10k_pci_htt_rx_deliver(struct ath10k *ar, struct sk_buff *skb)
1362 skb_pull(skb, sizeof(struct ath10k_htc_hdr));
1363 ath10k_htt_t2h_msg_handler(ar, skb);
1366 /* Called by lower (CE) layer when HTT data is received from the Target. */
1367 static void ath10k_pci_htt_rx_cb(struct ath10k_ce_pipe *ce_state)
1369 /* CE4 polling needs to be done whenever CE pipe which transports
1370 * HTT Rx (target->host) is processed.
1372 ath10k_ce_per_engine_service(ce_state->ar, 4);
1374 ath10k_pci_process_htt_rx_cb(ce_state, ath10k_pci_htt_rx_deliver);
1377 int ath10k_pci_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
1378 struct ath10k_hif_sg_item *items, int n_items)
1380 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
1381 struct ath10k_ce *ce = ath10k_ce_priv(ar);
1382 struct ath10k_pci_pipe *pci_pipe = &ar_pci->pipe_info[pipe_id];
1383 struct ath10k_ce_pipe *ce_pipe = pci_pipe->ce_hdl;
1384 struct ath10k_ce_ring *src_ring = ce_pipe->src_ring;
1385 unsigned int nentries_mask;
1386 unsigned int sw_index;
1387 unsigned int write_index;
1390 spin_lock_bh(&ce->ce_lock);
1392 nentries_mask = src_ring->nentries_mask;
1393 sw_index = src_ring->sw_index;
1394 write_index = src_ring->write_index;
1396 if (unlikely(CE_RING_DELTA(nentries_mask,
1397 write_index, sw_index - 1) < n_items)) {
1402 for (i = 0; i < n_items - 1; i++) {
1403 ath10k_dbg(ar, ATH10K_DBG_PCI,
1404 "pci tx item %d paddr %pad len %d n_items %d\n",
1405 i, &items[i].paddr, items[i].len, n_items);
1406 ath10k_dbg_dump(ar, ATH10K_DBG_PCI_DUMP, NULL, "pci tx data: ",
1407 items[i].vaddr, items[i].len);
1409 err = ath10k_ce_send_nolock(ce_pipe,
1410 items[i].transfer_context,
1413 items[i].transfer_id,
1414 CE_SEND_FLAG_GATHER);
1419 /* `i` is equal to `n_items -1` after for() */
1421 ath10k_dbg(ar, ATH10K_DBG_PCI,
1422 "pci tx item %d paddr %pad len %d n_items %d\n",
1423 i, &items[i].paddr, items[i].len, n_items);
1424 ath10k_dbg_dump(ar, ATH10K_DBG_PCI_DUMP, NULL, "pci tx data: ",
1425 items[i].vaddr, items[i].len);
1427 err = ath10k_ce_send_nolock(ce_pipe,
1428 items[i].transfer_context,
1431 items[i].transfer_id,
1436 spin_unlock_bh(&ce->ce_lock);
1441 __ath10k_ce_send_revert(ce_pipe);
1443 spin_unlock_bh(&ce->ce_lock);
1447 int ath10k_pci_hif_diag_read(struct ath10k *ar, u32 address, void *buf,
1450 return ath10k_pci_diag_read_mem(ar, address, buf, buf_len);
1453 u16 ath10k_pci_hif_get_free_queue_number(struct ath10k *ar, u8 pipe)
1455 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
1457 ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif get free queue number\n");
1459 return ath10k_ce_num_free_src_entries(ar_pci->pipe_info[pipe].ce_hdl);
1462 static void ath10k_pci_dump_registers(struct ath10k *ar,
1463 struct ath10k_fw_crash_data *crash_data)
1465 __le32 reg_dump_values[REG_DUMP_COUNT_QCA988X] = {};
1468 lockdep_assert_held(&ar->data_lock);
1470 ret = ath10k_pci_diag_read_hi(ar, ®_dump_values[0],
1472 REG_DUMP_COUNT_QCA988X * sizeof(__le32));
1474 ath10k_err(ar, "failed to read firmware dump area: %d\n", ret);
1478 BUILD_BUG_ON(REG_DUMP_COUNT_QCA988X % 4);
1480 ath10k_err(ar, "firmware register dump:\n");
1481 for (i = 0; i < REG_DUMP_COUNT_QCA988X; i += 4)
1482 ath10k_err(ar, "[%02d]: 0x%08X 0x%08X 0x%08X 0x%08X\n",
1484 __le32_to_cpu(reg_dump_values[i]),
1485 __le32_to_cpu(reg_dump_values[i + 1]),
1486 __le32_to_cpu(reg_dump_values[i + 2]),
1487 __le32_to_cpu(reg_dump_values[i + 3]));
1492 for (i = 0; i < REG_DUMP_COUNT_QCA988X; i++)
1493 crash_data->registers[i] = reg_dump_values[i];
1496 static int ath10k_pci_dump_memory_section(struct ath10k *ar,
1497 const struct ath10k_mem_region *mem_region,
1498 u8 *buf, size_t buf_len)
1500 const struct ath10k_mem_section *cur_section, *next_section;
1501 unsigned int count, section_size, skip_size;
1504 if (!mem_region || !buf)
1507 cur_section = &mem_region->section_table.sections[0];
1509 if (mem_region->start > cur_section->start) {
1510 ath10k_warn(ar, "incorrect memdump region 0x%x with section start address 0x%x.\n",
1511 mem_region->start, cur_section->start);
1515 skip_size = cur_section->start - mem_region->start;
1517 /* fill the gap between the first register section and register
1520 for (i = 0; i < skip_size; i++) {
1521 *buf = ATH10K_MAGIC_NOT_COPIED;
1527 for (i = 0; cur_section != NULL; i++) {
1528 section_size = cur_section->end - cur_section->start;
1530 if (section_size <= 0) {
1531 ath10k_warn(ar, "incorrect ramdump format with start address 0x%x and stop address 0x%x\n",
1537 if ((i + 1) == mem_region->section_table.size) {
1539 next_section = NULL;
1542 next_section = cur_section + 1;
1544 if (cur_section->end > next_section->start) {
1545 ath10k_warn(ar, "next ramdump section 0x%x is smaller than current end address 0x%x\n",
1546 next_section->start,
1551 skip_size = next_section->start - cur_section->end;
1554 if (buf_len < (skip_size + section_size)) {
1555 ath10k_warn(ar, "ramdump buffer is too small: %zu\n", buf_len);
1559 buf_len -= skip_size + section_size;
1561 /* read section to dest memory */
1562 ret = ath10k_pci_diag_read_mem(ar, cur_section->start,
1565 ath10k_warn(ar, "failed to read ramdump from section 0x%x: %d\n",
1566 cur_section->start, ret);
1570 buf += section_size;
1571 count += section_size;
1573 /* fill in the gap between this section and the next */
1574 for (j = 0; j < skip_size; j++) {
1575 *buf = ATH10K_MAGIC_NOT_COPIED;
1582 /* this was the last section */
1585 cur_section = next_section;
1591 static int ath10k_pci_set_ram_config(struct ath10k *ar, u32 config)
1595 ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS +
1596 FW_RAM_CONFIG_ADDRESS, config);
1598 val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
1599 FW_RAM_CONFIG_ADDRESS);
1600 if (val != config) {
1601 ath10k_warn(ar, "failed to set RAM config from 0x%x to 0x%x\n",
1609 /* if an error happened returns < 0, otherwise the length */
1610 static int ath10k_pci_dump_memory_sram(struct ath10k *ar,
1611 const struct ath10k_mem_region *region,
1614 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
1617 base_addr = ioread32(ar_pci->mem + QCA99X0_PCIE_BAR0_START_REG);
1618 base_addr += region->start;
1620 for (i = 0; i < region->len; i += 4) {
1621 iowrite32(base_addr + i, ar_pci->mem + QCA99X0_CPU_MEM_ADDR_REG);
1622 *(u32 *)(buf + i) = ioread32(ar_pci->mem + QCA99X0_CPU_MEM_DATA_REG);
1628 /* if an error happened returns < 0, otherwise the length */
1629 static int ath10k_pci_dump_memory_reg(struct ath10k *ar,
1630 const struct ath10k_mem_region *region,
1633 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
1636 for (i = 0; i < region->len; i += 4)
1637 *(u32 *)(buf + i) = ioread32(ar_pci->mem + region->start + i);
1642 /* if an error happened returns < 0, otherwise the length */
1643 static int ath10k_pci_dump_memory_generic(struct ath10k *ar,
1644 const struct ath10k_mem_region *current_region,
1649 if (current_region->section_table.size > 0)
1650 /* Copy each section individually. */
1651 return ath10k_pci_dump_memory_section(ar,
1654 current_region->len);
1656 /* No individiual memory sections defined so we can
1657 * copy the entire memory region.
1659 ret = ath10k_pci_diag_read_mem(ar,
1660 current_region->start,
1662 current_region->len);
1664 ath10k_warn(ar, "failed to copy ramdump region %s: %d\n",
1665 current_region->name, ret);
1669 return current_region->len;
1672 static void ath10k_pci_dump_memory(struct ath10k *ar,
1673 struct ath10k_fw_crash_data *crash_data)
1675 const struct ath10k_hw_mem_layout *mem_layout;
1676 const struct ath10k_mem_region *current_region;
1677 struct ath10k_dump_ram_data_hdr *hdr;
1683 lockdep_assert_held(&ar->data_lock);
1688 mem_layout = ath10k_coredump_get_mem_layout(ar);
1692 current_region = &mem_layout->region_table.regions[0];
1694 buf = crash_data->ramdump_buf;
1695 buf_len = crash_data->ramdump_buf_len;
1697 memset(buf, 0, buf_len);
1699 for (i = 0; i < mem_layout->region_table.size; i++) {
1702 if (current_region->len > buf_len) {
1703 ath10k_warn(ar, "memory region %s size %d is larger that remaining ramdump buffer size %zu\n",
1704 current_region->name,
1705 current_region->len,
1710 /* To get IRAM dump, the host driver needs to switch target
1711 * ram config from DRAM to IRAM.
1713 if (current_region->type == ATH10K_MEM_REGION_TYPE_IRAM1 ||
1714 current_region->type == ATH10K_MEM_REGION_TYPE_IRAM2) {
1715 shift = current_region->start >> 20;
1717 ret = ath10k_pci_set_ram_config(ar, shift);
1719 ath10k_warn(ar, "failed to switch ram config to IRAM for section %s: %d\n",
1720 current_region->name, ret);
1725 /* Reserve space for the header. */
1727 buf += sizeof(*hdr);
1728 buf_len -= sizeof(*hdr);
1730 switch (current_region->type) {
1731 case ATH10K_MEM_REGION_TYPE_IOSRAM:
1732 count = ath10k_pci_dump_memory_sram(ar, current_region, buf);
1734 case ATH10K_MEM_REGION_TYPE_IOREG:
1735 count = ath10k_pci_dump_memory_reg(ar, current_region, buf);
1738 ret = ath10k_pci_dump_memory_generic(ar, current_region, buf);
1746 hdr->region_type = cpu_to_le32(current_region->type);
1747 hdr->start = cpu_to_le32(current_region->start);
1748 hdr->length = cpu_to_le32(count);
1751 /* Note: the header remains, just with zero length. */
1761 static void ath10k_pci_fw_crashed_dump(struct ath10k *ar)
1763 struct ath10k_fw_crash_data *crash_data;
1764 char guid[UUID_STRING_LEN + 1];
1766 spin_lock_bh(&ar->data_lock);
1768 ar->stats.fw_crash_counter++;
1770 crash_data = ath10k_coredump_new(ar);
1773 scnprintf(guid, sizeof(guid), "%pUl", &crash_data->guid);
1775 scnprintf(guid, sizeof(guid), "n/a");
1777 ath10k_err(ar, "firmware crashed! (guid %s)\n", guid);
1778 ath10k_print_driver_info(ar);
1779 ath10k_pci_dump_registers(ar, crash_data);
1780 ath10k_ce_dump_registers(ar, crash_data);
1781 ath10k_pci_dump_memory(ar, crash_data);
1783 spin_unlock_bh(&ar->data_lock);
1785 queue_work(ar->workqueue, &ar->restart_work);
1788 void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe,
1791 ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif send complete check\n");
1796 * Decide whether to actually poll for completions, or just
1797 * wait for a later chance.
1798 * If there seem to be plenty of resources left, then just wait
1799 * since checking involves reading a CE register, which is a
1800 * relatively expensive operation.
1802 resources = ath10k_pci_hif_get_free_queue_number(ar, pipe);
1805 * If at least 50% of the total resources are still available,
1806 * don't bother checking again yet.
1808 if (resources > (host_ce_config_wlan[pipe].src_nentries >> 1))
1811 ath10k_ce_per_engine_service(ar, pipe);
1814 static void ath10k_pci_rx_retry_sync(struct ath10k *ar)
1816 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
1818 del_timer_sync(&ar_pci->rx_post_retry);
1821 int ath10k_pci_hif_map_service_to_pipe(struct ath10k *ar, u16 service_id,
1822 u8 *ul_pipe, u8 *dl_pipe)
1824 const struct service_to_pipe *entry;
1825 bool ul_set = false, dl_set = false;
1828 ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif map service\n");
1830 for (i = 0; i < ARRAY_SIZE(target_service_to_ce_map_wlan); i++) {
1831 entry = &target_service_to_ce_map_wlan[i];
1833 if (__le32_to_cpu(entry->service_id) != service_id)
1836 switch (__le32_to_cpu(entry->pipedir)) {
1841 *dl_pipe = __le32_to_cpu(entry->pipenum);
1846 *ul_pipe = __le32_to_cpu(entry->pipenum);
1852 *dl_pipe = __le32_to_cpu(entry->pipenum);
1853 *ul_pipe = __le32_to_cpu(entry->pipenum);
1860 if (!ul_set || !dl_set)
1866 void ath10k_pci_hif_get_default_pipe(struct ath10k *ar,
1867 u8 *ul_pipe, u8 *dl_pipe)
1869 ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif get default pipe\n");
1871 (void)ath10k_pci_hif_map_service_to_pipe(ar,
1872 ATH10K_HTC_SVC_ID_RSVD_CTRL,
1876 void ath10k_pci_irq_msi_fw_mask(struct ath10k *ar)
1880 switch (ar->hw_rev) {
1881 case ATH10K_HW_QCA988X:
1882 case ATH10K_HW_QCA9887:
1883 case ATH10K_HW_QCA6174:
1884 case ATH10K_HW_QCA9377:
1885 val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
1887 val &= ~CORE_CTRL_PCIE_REG_31_MASK;
1888 ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS +
1889 CORE_CTRL_ADDRESS, val);
1891 case ATH10K_HW_QCA99X0:
1892 case ATH10K_HW_QCA9984:
1893 case ATH10K_HW_QCA9888:
1894 case ATH10K_HW_QCA4019:
1895 /* TODO: Find appropriate register configuration for QCA99X0
1899 case ATH10K_HW_WCN3990:
1904 static void ath10k_pci_irq_msi_fw_unmask(struct ath10k *ar)
1908 switch (ar->hw_rev) {
1909 case ATH10K_HW_QCA988X:
1910 case ATH10K_HW_QCA9887:
1911 case ATH10K_HW_QCA6174:
1912 case ATH10K_HW_QCA9377:
1913 val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
1915 val |= CORE_CTRL_PCIE_REG_31_MASK;
1916 ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS +
1917 CORE_CTRL_ADDRESS, val);
1919 case ATH10K_HW_QCA99X0:
1920 case ATH10K_HW_QCA9984:
1921 case ATH10K_HW_QCA9888:
1922 case ATH10K_HW_QCA4019:
1923 /* TODO: Find appropriate register configuration for QCA99X0
1924 * to unmask irq/MSI.
1927 case ATH10K_HW_WCN3990:
1932 static void ath10k_pci_irq_disable(struct ath10k *ar)
1934 ath10k_ce_disable_interrupts(ar);
1935 ath10k_pci_disable_and_clear_legacy_irq(ar);
1936 ath10k_pci_irq_msi_fw_mask(ar);
1939 static void ath10k_pci_irq_sync(struct ath10k *ar)
1941 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
1943 synchronize_irq(ar_pci->pdev->irq);
1946 static void ath10k_pci_irq_enable(struct ath10k *ar)
1948 ath10k_ce_enable_interrupts(ar);
1949 ath10k_pci_enable_legacy_irq(ar);
1950 ath10k_pci_irq_msi_fw_unmask(ar);
1953 static int ath10k_pci_hif_start(struct ath10k *ar)
1955 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
1957 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif start\n");
1959 napi_enable(&ar->napi);
1961 ath10k_pci_irq_enable(ar);
1962 ath10k_pci_rx_post(ar);
1964 pcie_capability_write_word(ar_pci->pdev, PCI_EXP_LNKCTL,
1970 static void ath10k_pci_rx_pipe_cleanup(struct ath10k_pci_pipe *pci_pipe)
1973 struct ath10k_ce_pipe *ce_pipe;
1974 struct ath10k_ce_ring *ce_ring;
1975 struct sk_buff *skb;
1978 ar = pci_pipe->hif_ce_state;
1979 ce_pipe = pci_pipe->ce_hdl;
1980 ce_ring = ce_pipe->dest_ring;
1985 if (!pci_pipe->buf_sz)
1988 for (i = 0; i < ce_ring->nentries; i++) {
1989 skb = ce_ring->per_transfer_context[i];
1993 ce_ring->per_transfer_context[i] = NULL;
1995 dma_unmap_single(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
1996 skb->len + skb_tailroom(skb),
1998 dev_kfree_skb_any(skb);
2002 static void ath10k_pci_tx_pipe_cleanup(struct ath10k_pci_pipe *pci_pipe)
2005 struct ath10k_ce_pipe *ce_pipe;
2006 struct ath10k_ce_ring *ce_ring;
2007 struct sk_buff *skb;
2010 ar = pci_pipe->hif_ce_state;
2011 ce_pipe = pci_pipe->ce_hdl;
2012 ce_ring = ce_pipe->src_ring;
2017 if (!pci_pipe->buf_sz)
2020 for (i = 0; i < ce_ring->nentries; i++) {
2021 skb = ce_ring->per_transfer_context[i];
2025 ce_ring->per_transfer_context[i] = NULL;
2027 ath10k_htc_tx_completion_handler(ar, skb);
2032 * Cleanup residual buffers for device shutdown:
2033 * buffers that were enqueued for receive
2034 * buffers that were to be sent
2035 * Note: Buffers that had completed but which were
2036 * not yet processed are on a completion queue. They
2037 * are handled when the completion thread shuts down.
2039 static void ath10k_pci_buffer_cleanup(struct ath10k *ar)
2041 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
2044 for (pipe_num = 0; pipe_num < CE_COUNT; pipe_num++) {
2045 struct ath10k_pci_pipe *pipe_info;
2047 pipe_info = &ar_pci->pipe_info[pipe_num];
2048 ath10k_pci_rx_pipe_cleanup(pipe_info);
2049 ath10k_pci_tx_pipe_cleanup(pipe_info);
2053 void ath10k_pci_ce_deinit(struct ath10k *ar)
2057 for (i = 0; i < CE_COUNT; i++)
2058 ath10k_ce_deinit_pipe(ar, i);
2061 void ath10k_pci_flush(struct ath10k *ar)
2063 ath10k_pci_rx_retry_sync(ar);
2064 ath10k_pci_buffer_cleanup(ar);
2067 static void ath10k_pci_hif_stop(struct ath10k *ar)
2069 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
2070 unsigned long flags;
2072 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif stop\n");
2074 /* Most likely the device has HTT Rx ring configured. The only way to
2075 * prevent the device from accessing (and possible corrupting) host
2076 * memory is to reset the chip now.
2078 * There's also no known way of masking MSI interrupts on the device.
2079 * For ranged MSI the CE-related interrupts can be masked. However
2080 * regardless how many MSI interrupts are assigned the first one
2081 * is always used for firmware indications (crashes) and cannot be
2082 * masked. To prevent the device from asserting the interrupt reset it
2083 * before proceeding with cleanup.
2085 ath10k_pci_safe_chip_reset(ar);
2087 ath10k_pci_irq_disable(ar);
2088 ath10k_pci_irq_sync(ar);
2089 napi_synchronize(&ar->napi);
2090 napi_disable(&ar->napi);
2091 ath10k_pci_flush(ar);
2093 spin_lock_irqsave(&ar_pci->ps_lock, flags);
2094 WARN_ON(ar_pci->ps_wake_refcount > 0);
2095 spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
2098 int ath10k_pci_hif_exchange_bmi_msg(struct ath10k *ar,
2099 void *req, u32 req_len,
2100 void *resp, u32 *resp_len)
2102 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
2103 struct ath10k_pci_pipe *pci_tx = &ar_pci->pipe_info[BMI_CE_NUM_TO_TARG];
2104 struct ath10k_pci_pipe *pci_rx = &ar_pci->pipe_info[BMI_CE_NUM_TO_HOST];
2105 struct ath10k_ce_pipe *ce_tx = pci_tx->ce_hdl;
2106 struct ath10k_ce_pipe *ce_rx = pci_rx->ce_hdl;
2107 dma_addr_t req_paddr = 0;
2108 dma_addr_t resp_paddr = 0;
2109 struct bmi_xfer xfer = {};
2110 void *treq, *tresp = NULL;
2115 if (resp && !resp_len)
2118 if (resp && resp_len && *resp_len == 0)
2121 treq = kmemdup(req, req_len, GFP_KERNEL);
2125 req_paddr = dma_map_single(ar->dev, treq, req_len, DMA_TO_DEVICE);
2126 ret = dma_mapping_error(ar->dev, req_paddr);
2132 if (resp && resp_len) {
2133 tresp = kzalloc(*resp_len, GFP_KERNEL);
2139 resp_paddr = dma_map_single(ar->dev, tresp, *resp_len,
2141 ret = dma_mapping_error(ar->dev, resp_paddr);
2147 xfer.wait_for_resp = true;
2150 ath10k_ce_rx_post_buf(ce_rx, &xfer, resp_paddr);
2153 ret = ath10k_ce_send(ce_tx, &xfer, req_paddr, req_len, -1, 0);
2157 ret = ath10k_pci_bmi_wait(ar, ce_tx, ce_rx, &xfer);
2159 dma_addr_t unused_buffer;
2160 unsigned int unused_nbytes;
2161 unsigned int unused_id;
2163 ath10k_ce_cancel_send_next(ce_tx, NULL, &unused_buffer,
2164 &unused_nbytes, &unused_id);
2166 /* non-zero means we did not time out */
2172 dma_addr_t unused_buffer;
2174 ath10k_ce_revoke_recv_next(ce_rx, NULL, &unused_buffer);
2175 dma_unmap_single(ar->dev, resp_paddr,
2176 *resp_len, DMA_FROM_DEVICE);
2179 dma_unmap_single(ar->dev, req_paddr, req_len, DMA_TO_DEVICE);
2181 if (ret == 0 && resp_len) {
2182 *resp_len = min(*resp_len, xfer.resp_len);
2183 memcpy(resp, tresp, xfer.resp_len);
2192 static void ath10k_pci_bmi_send_done(struct ath10k_ce_pipe *ce_state)
2194 struct bmi_xfer *xfer;
2196 if (ath10k_ce_completed_send_next(ce_state, (void **)&xfer))
2199 xfer->tx_done = true;
2202 static void ath10k_pci_bmi_recv_data(struct ath10k_ce_pipe *ce_state)
2204 struct ath10k *ar = ce_state->ar;
2205 struct bmi_xfer *xfer;
2206 unsigned int nbytes;
2208 if (ath10k_ce_completed_recv_next(ce_state, (void **)&xfer,
2212 if (WARN_ON_ONCE(!xfer))
2215 if (!xfer->wait_for_resp) {
2216 ath10k_warn(ar, "unexpected: BMI data received; ignoring\n");
2220 xfer->resp_len = nbytes;
2221 xfer->rx_done = true;
2224 static int ath10k_pci_bmi_wait(struct ath10k *ar,
2225 struct ath10k_ce_pipe *tx_pipe,
2226 struct ath10k_ce_pipe *rx_pipe,
2227 struct bmi_xfer *xfer)
2229 unsigned long timeout = jiffies + BMI_COMMUNICATION_TIMEOUT_HZ;
2230 unsigned long started = jiffies;
2234 while (time_before_eq(jiffies, timeout)) {
2235 ath10k_pci_bmi_send_done(tx_pipe);
2236 ath10k_pci_bmi_recv_data(rx_pipe);
2238 if (xfer->tx_done && (xfer->rx_done == xfer->wait_for_resp)) {
2249 dur = jiffies - started;
2251 ath10k_dbg(ar, ATH10K_DBG_BMI,
2252 "bmi cmd took %lu jiffies hz %d ret %d\n",
2258 * Send an interrupt to the device to wake up the Target CPU
2259 * so it has an opportunity to notice any changed state.
2261 static int ath10k_pci_wake_target_cpu(struct ath10k *ar)
2265 addr = SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS;
2266 val = ath10k_pci_read32(ar, addr);
2267 val |= CORE_CTRL_CPU_INTR_MASK;
2268 ath10k_pci_write32(ar, addr, val);
2273 static int ath10k_pci_get_num_banks(struct ath10k *ar)
2275 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
2277 switch (ar_pci->pdev->device) {
2278 case QCA988X_2_0_DEVICE_ID_UBNT:
2279 case QCA988X_2_0_DEVICE_ID:
2280 case QCA99X0_2_0_DEVICE_ID:
2281 case QCA9888_2_0_DEVICE_ID:
2282 case QCA9984_1_0_DEVICE_ID:
2283 case QCA9887_1_0_DEVICE_ID:
2285 case QCA6164_2_1_DEVICE_ID:
2286 case QCA6174_2_1_DEVICE_ID:
2287 switch (MS(ar->chip_id, SOC_CHIP_ID_REV)) {
2288 case QCA6174_HW_1_0_CHIP_ID_REV:
2289 case QCA6174_HW_1_1_CHIP_ID_REV:
2290 case QCA6174_HW_2_1_CHIP_ID_REV:
2291 case QCA6174_HW_2_2_CHIP_ID_REV:
2293 case QCA6174_HW_1_3_CHIP_ID_REV:
2295 case QCA6174_HW_3_0_CHIP_ID_REV:
2296 case QCA6174_HW_3_1_CHIP_ID_REV:
2297 case QCA6174_HW_3_2_CHIP_ID_REV:
2301 case QCA9377_1_0_DEVICE_ID:
2305 ath10k_warn(ar, "unknown number of banks, assuming 1\n");
2309 static int ath10k_bus_get_num_banks(struct ath10k *ar)
2311 struct ath10k_ce *ce = ath10k_ce_priv(ar);
2313 return ce->bus_ops->get_num_banks(ar);
2316 int ath10k_pci_init_config(struct ath10k *ar)
2318 u32 interconnect_targ_addr;
2319 u32 pcie_state_targ_addr = 0;
2320 u32 pipe_cfg_targ_addr = 0;
2321 u32 svc_to_pipe_map = 0;
2322 u32 pcie_config_flags = 0;
2324 u32 ealloc_targ_addr;
2326 u32 flag2_targ_addr;
2329 /* Download to Target the CE Config and the service-to-CE map */
2330 interconnect_targ_addr =
2331 host_interest_item_address(HI_ITEM(hi_interconnect_state));
2333 /* Supply Target-side CE configuration */
2334 ret = ath10k_pci_diag_read32(ar, interconnect_targ_addr,
2335 &pcie_state_targ_addr);
2337 ath10k_err(ar, "Failed to get pcie state addr: %d\n", ret);
2341 if (pcie_state_targ_addr == 0) {
2343 ath10k_err(ar, "Invalid pcie state addr\n");
2347 ret = ath10k_pci_diag_read32(ar, (pcie_state_targ_addr +
2348 offsetof(struct pcie_state,
2350 &pipe_cfg_targ_addr);
2352 ath10k_err(ar, "Failed to get pipe cfg addr: %d\n", ret);
2356 if (pipe_cfg_targ_addr == 0) {
2358 ath10k_err(ar, "Invalid pipe cfg addr\n");
2362 ret = ath10k_pci_diag_write_mem(ar, pipe_cfg_targ_addr,
2363 target_ce_config_wlan,
2364 sizeof(struct ce_pipe_config) *
2365 NUM_TARGET_CE_CONFIG_WLAN);
2368 ath10k_err(ar, "Failed to write pipe cfg: %d\n", ret);
2372 ret = ath10k_pci_diag_read32(ar, (pcie_state_targ_addr +
2373 offsetof(struct pcie_state,
2377 ath10k_err(ar, "Failed to get svc/pipe map: %d\n", ret);
2381 if (svc_to_pipe_map == 0) {
2383 ath10k_err(ar, "Invalid svc_to_pipe map\n");
2387 ret = ath10k_pci_diag_write_mem(ar, svc_to_pipe_map,
2388 target_service_to_ce_map_wlan,
2389 sizeof(target_service_to_ce_map_wlan));
2391 ath10k_err(ar, "Failed to write svc/pipe map: %d\n", ret);
2395 ret = ath10k_pci_diag_read32(ar, (pcie_state_targ_addr +
2396 offsetof(struct pcie_state,
2398 &pcie_config_flags);
2400 ath10k_err(ar, "Failed to get pcie config_flags: %d\n", ret);
2404 pcie_config_flags &= ~PCIE_CONFIG_FLAG_ENABLE_L1;
2406 ret = ath10k_pci_diag_write32(ar, (pcie_state_targ_addr +
2407 offsetof(struct pcie_state,
2411 ath10k_err(ar, "Failed to write pcie config_flags: %d\n", ret);
2415 /* configure early allocation */
2416 ealloc_targ_addr = host_interest_item_address(HI_ITEM(hi_early_alloc));
2418 ret = ath10k_pci_diag_read32(ar, ealloc_targ_addr, &ealloc_value);
2420 ath10k_err(ar, "Failed to get early alloc val: %d\n", ret);
2424 /* first bank is switched to IRAM */
2425 ealloc_value |= ((HI_EARLY_ALLOC_MAGIC << HI_EARLY_ALLOC_MAGIC_SHIFT) &
2426 HI_EARLY_ALLOC_MAGIC_MASK);
2427 ealloc_value |= ((ath10k_bus_get_num_banks(ar) <<
2428 HI_EARLY_ALLOC_IRAM_BANKS_SHIFT) &
2429 HI_EARLY_ALLOC_IRAM_BANKS_MASK);
2431 ret = ath10k_pci_diag_write32(ar, ealloc_targ_addr, ealloc_value);
2433 ath10k_err(ar, "Failed to set early alloc val: %d\n", ret);
2437 /* Tell Target to proceed with initialization */
2438 flag2_targ_addr = host_interest_item_address(HI_ITEM(hi_option_flag2));
2440 ret = ath10k_pci_diag_read32(ar, flag2_targ_addr, &flag2_value);
2442 ath10k_err(ar, "Failed to get option val: %d\n", ret);
2446 flag2_value |= HI_OPTION_EARLY_CFG_DONE;
2448 ret = ath10k_pci_diag_write32(ar, flag2_targ_addr, flag2_value);
2450 ath10k_err(ar, "Failed to set option val: %d\n", ret);
2457 static void ath10k_pci_override_ce_config(struct ath10k *ar)
2459 struct ce_attr *attr;
2460 struct ce_pipe_config *config;
2462 /* For QCA6174 we're overriding the Copy Engine 5 configuration,
2463 * since it is currently used for other feature.
2466 /* Override Host's Copy Engine 5 configuration */
2467 attr = &host_ce_config_wlan[5];
2468 attr->src_sz_max = 0;
2469 attr->dest_nentries = 0;
2471 /* Override Target firmware's Copy Engine configuration */
2472 config = &target_ce_config_wlan[5];
2473 config->pipedir = __cpu_to_le32(PIPEDIR_OUT);
2474 config->nbytes_max = __cpu_to_le32(2048);
2476 /* Map from service/endpoint to Copy Engine */
2477 target_service_to_ce_map_wlan[15].pipenum = __cpu_to_le32(1);
2480 int ath10k_pci_alloc_pipes(struct ath10k *ar)
2482 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
2483 struct ath10k_pci_pipe *pipe;
2484 struct ath10k_ce *ce = ath10k_ce_priv(ar);
2487 for (i = 0; i < CE_COUNT; i++) {
2488 pipe = &ar_pci->pipe_info[i];
2489 pipe->ce_hdl = &ce->ce_states[i];
2491 pipe->hif_ce_state = ar;
2493 ret = ath10k_ce_alloc_pipe(ar, i, &host_ce_config_wlan[i]);
2495 ath10k_err(ar, "failed to allocate copy engine pipe %d: %d\n",
2500 /* Last CE is Diagnostic Window */
2501 if (i == CE_DIAG_PIPE) {
2502 ar_pci->ce_diag = pipe->ce_hdl;
2506 pipe->buf_sz = (size_t)(host_ce_config_wlan[i].src_sz_max);
2512 void ath10k_pci_free_pipes(struct ath10k *ar)
2516 for (i = 0; i < CE_COUNT; i++)
2517 ath10k_ce_free_pipe(ar, i);
2520 int ath10k_pci_init_pipes(struct ath10k *ar)
2524 for (i = 0; i < CE_COUNT; i++) {
2525 ret = ath10k_ce_init_pipe(ar, i, &host_ce_config_wlan[i]);
2527 ath10k_err(ar, "failed to initialize copy engine pipe %d: %d\n",
2536 static bool ath10k_pci_has_fw_crashed(struct ath10k *ar)
2538 return ath10k_pci_read32(ar, FW_INDICATOR_ADDRESS) &
2539 FW_IND_EVENT_PENDING;
2542 static void ath10k_pci_fw_crashed_clear(struct ath10k *ar)
2546 val = ath10k_pci_read32(ar, FW_INDICATOR_ADDRESS);
2547 val &= ~FW_IND_EVENT_PENDING;
2548 ath10k_pci_write32(ar, FW_INDICATOR_ADDRESS, val);
2551 static bool ath10k_pci_has_device_gone(struct ath10k *ar)
2555 val = ath10k_pci_read32(ar, FW_INDICATOR_ADDRESS);
2556 return (val == 0xffffffff);
2559 /* this function effectively clears target memory controller assert line */
2560 static void ath10k_pci_warm_reset_si0(struct ath10k *ar)
2564 val = ath10k_pci_soc_read32(ar, SOC_RESET_CONTROL_ADDRESS);
2565 ath10k_pci_soc_write32(ar, SOC_RESET_CONTROL_ADDRESS,
2566 val | SOC_RESET_CONTROL_SI0_RST_MASK);
2567 val = ath10k_pci_soc_read32(ar, SOC_RESET_CONTROL_ADDRESS);
2571 val = ath10k_pci_soc_read32(ar, SOC_RESET_CONTROL_ADDRESS);
2572 ath10k_pci_soc_write32(ar, SOC_RESET_CONTROL_ADDRESS,
2573 val & ~SOC_RESET_CONTROL_SI0_RST_MASK);
2574 val = ath10k_pci_soc_read32(ar, SOC_RESET_CONTROL_ADDRESS);
2579 static void ath10k_pci_warm_reset_cpu(struct ath10k *ar)
2583 ath10k_pci_write32(ar, FW_INDICATOR_ADDRESS, 0);
2585 val = ath10k_pci_read32(ar, RTC_SOC_BASE_ADDRESS +
2586 SOC_RESET_CONTROL_ADDRESS);
2587 ath10k_pci_write32(ar, RTC_SOC_BASE_ADDRESS + SOC_RESET_CONTROL_ADDRESS,
2588 val | SOC_RESET_CONTROL_CPU_WARM_RST_MASK);
2591 static void ath10k_pci_warm_reset_ce(struct ath10k *ar)
2595 val = ath10k_pci_read32(ar, RTC_SOC_BASE_ADDRESS +
2596 SOC_RESET_CONTROL_ADDRESS);
2598 ath10k_pci_write32(ar, RTC_SOC_BASE_ADDRESS + SOC_RESET_CONTROL_ADDRESS,
2599 val | SOC_RESET_CONTROL_CE_RST_MASK);
2601 ath10k_pci_write32(ar, RTC_SOC_BASE_ADDRESS + SOC_RESET_CONTROL_ADDRESS,
2602 val & ~SOC_RESET_CONTROL_CE_RST_MASK);
2605 static void ath10k_pci_warm_reset_clear_lf(struct ath10k *ar)
2609 val = ath10k_pci_read32(ar, RTC_SOC_BASE_ADDRESS +
2610 SOC_LF_TIMER_CONTROL0_ADDRESS);
2611 ath10k_pci_write32(ar, RTC_SOC_BASE_ADDRESS +
2612 SOC_LF_TIMER_CONTROL0_ADDRESS,
2613 val & ~SOC_LF_TIMER_CONTROL0_ENABLE_MASK);
2616 static int ath10k_pci_warm_reset(struct ath10k *ar)
2620 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot warm reset\n");
2622 spin_lock_bh(&ar->data_lock);
2623 ar->stats.fw_warm_reset_counter++;
2624 spin_unlock_bh(&ar->data_lock);
2626 ath10k_pci_irq_disable(ar);
2628 /* Make sure the target CPU is not doing anything dangerous, e.g. if it
2629 * were to access copy engine while host performs copy engine reset
2630 * then it is possible for the device to confuse pci-e controller to
2631 * the point of bringing host system to a complete stop (i.e. hang).
2633 ath10k_pci_warm_reset_si0(ar);
2634 ath10k_pci_warm_reset_cpu(ar);
2635 ath10k_pci_init_pipes(ar);
2636 ath10k_pci_wait_for_target_init(ar);
2638 ath10k_pci_warm_reset_clear_lf(ar);
2639 ath10k_pci_warm_reset_ce(ar);
2640 ath10k_pci_warm_reset_cpu(ar);
2641 ath10k_pci_init_pipes(ar);
2643 ret = ath10k_pci_wait_for_target_init(ar);
2645 ath10k_warn(ar, "failed to wait for target init: %d\n", ret);
2649 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot warm reset complete\n");
2654 static int ath10k_pci_qca99x0_soft_chip_reset(struct ath10k *ar)
2656 ath10k_pci_irq_disable(ar);
2657 return ath10k_pci_qca99x0_chip_reset(ar);
2660 static int ath10k_pci_safe_chip_reset(struct ath10k *ar)
2662 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
2664 if (!ar_pci->pci_soft_reset)
2667 return ar_pci->pci_soft_reset(ar);
2670 static int ath10k_pci_qca988x_chip_reset(struct ath10k *ar)
2675 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot 988x chip reset\n");
2677 /* Some hardware revisions (e.g. CUS223v2) has issues with cold reset.
2678 * It is thus preferred to use warm reset which is safer but may not be
2679 * able to recover the device from all possible fail scenarios.
2681 * Warm reset doesn't always work on first try so attempt it a few
2682 * times before giving up.
2684 for (i = 0; i < ATH10K_PCI_NUM_WARM_RESET_ATTEMPTS; i++) {
2685 ret = ath10k_pci_warm_reset(ar);
2687 ath10k_warn(ar, "failed to warm reset attempt %d of %d: %d\n",
2688 i + 1, ATH10K_PCI_NUM_WARM_RESET_ATTEMPTS,
2693 /* FIXME: Sometimes copy engine doesn't recover after warm
2694 * reset. In most cases this needs cold reset. In some of these
2695 * cases the device is in such a state that a cold reset may
2698 * Reading any host interest register via copy engine is
2699 * sufficient to verify if device is capable of booting
2702 ret = ath10k_pci_init_pipes(ar);
2704 ath10k_warn(ar, "failed to init copy engine: %d\n",
2709 ret = ath10k_pci_diag_read32(ar, QCA988X_HOST_INTEREST_ADDRESS,
2712 ath10k_warn(ar, "failed to poke copy engine: %d\n",
2717 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot chip reset complete (warm)\n");
2721 if (ath10k_pci_reset_mode == ATH10K_PCI_RESET_WARM_ONLY) {
2722 ath10k_warn(ar, "refusing cold reset as requested\n");
2726 ret = ath10k_pci_cold_reset(ar);
2728 ath10k_warn(ar, "failed to cold reset: %d\n", ret);
2732 ret = ath10k_pci_wait_for_target_init(ar);
2734 ath10k_warn(ar, "failed to wait for target after cold reset: %d\n",
2739 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca988x chip reset complete (cold)\n");
2744 static int ath10k_pci_qca6174_chip_reset(struct ath10k *ar)
2748 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca6174 chip reset\n");
2750 /* FIXME: QCA6174 requires cold + warm reset to work. */
2752 ret = ath10k_pci_cold_reset(ar);
2754 ath10k_warn(ar, "failed to cold reset: %d\n", ret);
2758 ret = ath10k_pci_wait_for_target_init(ar);
2760 ath10k_warn(ar, "failed to wait for target after cold reset: %d\n",
2765 ret = ath10k_pci_warm_reset(ar);
2767 ath10k_warn(ar, "failed to warm reset: %d\n", ret);
2771 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca6174 chip reset complete (cold)\n");
2776 static int ath10k_pci_qca99x0_chip_reset(struct ath10k *ar)
2780 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca99x0 chip reset\n");
2782 ret = ath10k_pci_cold_reset(ar);
2784 ath10k_warn(ar, "failed to cold reset: %d\n", ret);
2788 ret = ath10k_pci_wait_for_target_init(ar);
2790 ath10k_warn(ar, "failed to wait for target after cold reset: %d\n",
2795 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca99x0 chip reset complete (cold)\n");
2800 static int ath10k_pci_chip_reset(struct ath10k *ar)
2802 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
2804 if (WARN_ON(!ar_pci->pci_hard_reset))
2807 return ar_pci->pci_hard_reset(ar);
2810 static int ath10k_pci_hif_power_up(struct ath10k *ar)
2812 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
2815 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif power up\n");
2817 pcie_capability_read_word(ar_pci->pdev, PCI_EXP_LNKCTL,
2819 pcie_capability_write_word(ar_pci->pdev, PCI_EXP_LNKCTL,
2820 ar_pci->link_ctl & ~PCI_EXP_LNKCTL_ASPMC);
2823 * Bring the target up cleanly.
2825 * The target may be in an undefined state with an AUX-powered Target
2826 * and a Host in WoW mode. If the Host crashes, loses power, or is
2827 * restarted (without unloading the driver) then the Target is left
2828 * (aux) powered and running. On a subsequent driver load, the Target
2829 * is in an unexpected state. We try to catch that here in order to
2830 * reset the Target and retry the probe.
2832 ret = ath10k_pci_chip_reset(ar);
2834 if (ath10k_pci_has_fw_crashed(ar)) {
2835 ath10k_warn(ar, "firmware crashed during chip reset\n");
2836 ath10k_pci_fw_crashed_clear(ar);
2837 ath10k_pci_fw_crashed_dump(ar);
2840 ath10k_err(ar, "failed to reset chip: %d\n", ret);
2844 ret = ath10k_pci_init_pipes(ar);
2846 ath10k_err(ar, "failed to initialize CE: %d\n", ret);
2850 ret = ath10k_pci_init_config(ar);
2852 ath10k_err(ar, "failed to setup init config: %d\n", ret);
2856 ret = ath10k_pci_wake_target_cpu(ar);
2858 ath10k_err(ar, "could not wake up target CPU: %d\n", ret);
2865 ath10k_pci_ce_deinit(ar);
2871 void ath10k_pci_hif_power_down(struct ath10k *ar)
2873 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif power down\n");
2875 /* Currently hif_power_up performs effectively a reset and hif_stop
2876 * resets the chip as well so there's no point in resetting here.
2880 static int ath10k_pci_hif_suspend(struct ath10k *ar)
2882 /* Nothing to do; the important stuff is in the driver suspend. */
2886 static int ath10k_pci_suspend(struct ath10k *ar)
2888 /* The grace timer can still be counting down and ar->ps_awake be true.
2889 * It is known that the device may be asleep after resuming regardless
2890 * of the SoC powersave state before suspending. Hence make sure the
2891 * device is asleep before proceeding.
2893 ath10k_pci_sleep_sync(ar);
2898 static int ath10k_pci_hif_resume(struct ath10k *ar)
2900 /* Nothing to do; the important stuff is in the driver resume. */
2904 static int ath10k_pci_resume(struct ath10k *ar)
2906 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
2907 struct pci_dev *pdev = ar_pci->pdev;
2911 ret = ath10k_pci_force_wake(ar);
2913 ath10k_err(ar, "failed to wake up target: %d\n", ret);
2917 /* Suspend/Resume resets the PCI configuration space, so we have to
2918 * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries
2919 * from interfering with C3 CPU state. pci_restore_state won't help
2920 * here since it only restores the first 64 bytes pci config header.
2922 pci_read_config_dword(pdev, 0x40, &val);
2923 if ((val & 0x0000ff00) != 0)
2924 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
2929 static bool ath10k_pci_validate_cal(void *data, size_t size)
2931 __le16 *cal_words = data;
2938 for (i = 0; i < size / 2; i++)
2939 checksum ^= le16_to_cpu(cal_words[i]);
2941 return checksum == 0xffff;
2944 static void ath10k_pci_enable_eeprom(struct ath10k *ar)
2946 /* Enable SI clock */
2947 ath10k_pci_soc_write32(ar, CLOCK_CONTROL_OFFSET, 0x0);
2949 /* Configure GPIOs for I2C operation */
2950 ath10k_pci_write32(ar,
2951 GPIO_BASE_ADDRESS + GPIO_PIN0_OFFSET +
2952 4 * QCA9887_1_0_I2C_SDA_GPIO_PIN,
2953 SM(QCA9887_1_0_I2C_SDA_PIN_CONFIG,
2955 SM(1, GPIO_PIN0_PAD_PULL));
2957 ath10k_pci_write32(ar,
2958 GPIO_BASE_ADDRESS + GPIO_PIN0_OFFSET +
2959 4 * QCA9887_1_0_SI_CLK_GPIO_PIN,
2960 SM(QCA9887_1_0_SI_CLK_PIN_CONFIG, GPIO_PIN0_CONFIG) |
2961 SM(1, GPIO_PIN0_PAD_PULL));
2963 ath10k_pci_write32(ar,
2965 QCA9887_1_0_GPIO_ENABLE_W1TS_LOW_ADDRESS,
2966 1u << QCA9887_1_0_SI_CLK_GPIO_PIN);
2968 /* In Swift ASIC - EEPROM clock will be (110MHz/512) = 214KHz */
2969 ath10k_pci_write32(ar,
2970 SI_BASE_ADDRESS + SI_CONFIG_OFFSET,
2971 SM(1, SI_CONFIG_ERR_INT) |
2972 SM(1, SI_CONFIG_BIDIR_OD_DATA) |
2973 SM(1, SI_CONFIG_I2C) |
2974 SM(1, SI_CONFIG_POS_SAMPLE) |
2975 SM(1, SI_CONFIG_INACTIVE_DATA) |
2976 SM(1, SI_CONFIG_INACTIVE_CLK) |
2977 SM(8, SI_CONFIG_DIVIDER));
2980 static int ath10k_pci_read_eeprom(struct ath10k *ar, u16 addr, u8 *out)
2985 /* set device select byte and for the read operation */
2986 reg = QCA9887_EEPROM_SELECT_READ |
2987 SM(addr, QCA9887_EEPROM_ADDR_LO) |
2988 SM(addr >> 8, QCA9887_EEPROM_ADDR_HI);
2989 ath10k_pci_write32(ar, SI_BASE_ADDRESS + SI_TX_DATA0_OFFSET, reg);
2991 /* write transmit data, transfer length, and START bit */
2992 ath10k_pci_write32(ar, SI_BASE_ADDRESS + SI_CS_OFFSET,
2993 SM(1, SI_CS_START) | SM(1, SI_CS_RX_CNT) |
2994 SM(4, SI_CS_TX_CNT));
2996 /* wait max 1 sec */
2997 wait_limit = 100000;
2999 /* wait for SI_CS_DONE_INT */
3001 reg = ath10k_pci_read32(ar, SI_BASE_ADDRESS + SI_CS_OFFSET);
3002 if (MS(reg, SI_CS_DONE_INT))
3007 } while (wait_limit > 0);
3009 if (!MS(reg, SI_CS_DONE_INT)) {
3010 ath10k_err(ar, "timeout while reading device EEPROM at %04x\n",
3015 /* clear SI_CS_DONE_INT */
3016 ath10k_pci_write32(ar, SI_BASE_ADDRESS + SI_CS_OFFSET, reg);
3018 if (MS(reg, SI_CS_DONE_ERR)) {
3019 ath10k_err(ar, "failed to read device EEPROM at %04x\n", addr);
3023 /* extract receive data */
3024 reg = ath10k_pci_read32(ar, SI_BASE_ADDRESS + SI_RX_DATA0_OFFSET);
3030 static int ath10k_pci_hif_fetch_cal_eeprom(struct ath10k *ar, void **data,
3037 if (!QCA_REV_9887(ar))
3040 calsize = ar->hw_params.cal_data_len;
3041 caldata = kmalloc(calsize, GFP_KERNEL);
3045 ath10k_pci_enable_eeprom(ar);
3047 for (i = 0; i < calsize; i++) {
3048 ret = ath10k_pci_read_eeprom(ar, i, &caldata[i]);
3053 if (!ath10k_pci_validate_cal(caldata, calsize))
3057 *data_len = calsize;
3067 static const struct ath10k_hif_ops ath10k_pci_hif_ops = {
3068 .tx_sg = ath10k_pci_hif_tx_sg,
3069 .diag_read = ath10k_pci_hif_diag_read,
3070 .diag_write = ath10k_pci_diag_write_mem,
3071 .exchange_bmi_msg = ath10k_pci_hif_exchange_bmi_msg,
3072 .start = ath10k_pci_hif_start,
3073 .stop = ath10k_pci_hif_stop,
3074 .map_service_to_pipe = ath10k_pci_hif_map_service_to_pipe,
3075 .get_default_pipe = ath10k_pci_hif_get_default_pipe,
3076 .send_complete_check = ath10k_pci_hif_send_complete_check,
3077 .get_free_queue_number = ath10k_pci_hif_get_free_queue_number,
3078 .power_up = ath10k_pci_hif_power_up,
3079 .power_down = ath10k_pci_hif_power_down,
3080 .read32 = ath10k_pci_read32,
3081 .write32 = ath10k_pci_write32,
3082 .suspend = ath10k_pci_hif_suspend,
3083 .resume = ath10k_pci_hif_resume,
3084 .fetch_cal_eeprom = ath10k_pci_hif_fetch_cal_eeprom,
3088 * Top-level interrupt handler for all PCI interrupts from a Target.
3089 * When a block of MSI interrupts is allocated, this top-level handler
3090 * is not used; instead, we directly call the correct sub-handler.
3092 static irqreturn_t ath10k_pci_interrupt_handler(int irq, void *arg)
3094 struct ath10k *ar = arg;
3095 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
3098 if (ath10k_pci_has_device_gone(ar))
3101 ret = ath10k_pci_force_wake(ar);
3103 ath10k_warn(ar, "failed to wake device up on irq: %d\n", ret);
3107 if ((ar_pci->oper_irq_mode == ATH10K_PCI_IRQ_LEGACY) &&
3108 !ath10k_pci_irq_pending(ar))
3111 ath10k_pci_disable_and_clear_legacy_irq(ar);
3112 ath10k_pci_irq_msi_fw_mask(ar);
3113 napi_schedule(&ar->napi);
3118 static int ath10k_pci_napi_poll(struct napi_struct *ctx, int budget)
3120 struct ath10k *ar = container_of(ctx, struct ath10k, napi);
3123 if (ath10k_pci_has_fw_crashed(ar)) {
3124 ath10k_pci_fw_crashed_clear(ar);
3125 ath10k_pci_fw_crashed_dump(ar);
3130 ath10k_ce_per_engine_service_any(ar);
3132 done = ath10k_htt_txrx_compl_task(ar, budget);
3134 if (done < budget) {
3135 napi_complete_done(ctx, done);
3136 /* In case of MSI, it is possible that interrupts are received
3137 * while NAPI poll is inprogress. So pending interrupts that are
3138 * received after processing all copy engine pipes by NAPI poll
3139 * will not be handled again. This is causing failure to
3140 * complete boot sequence in x86 platform. So before enabling
3141 * interrupts safer to check for pending interrupts for
3142 * immediate servicing.
3144 if (ath10k_ce_interrupt_summary(ar)) {
3145 napi_reschedule(ctx);
3148 ath10k_pci_enable_legacy_irq(ar);
3149 ath10k_pci_irq_msi_fw_unmask(ar);
3156 static int ath10k_pci_request_irq_msi(struct ath10k *ar)
3158 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
3161 ret = request_irq(ar_pci->pdev->irq,
3162 ath10k_pci_interrupt_handler,
3163 IRQF_SHARED, "ath10k_pci", ar);
3165 ath10k_warn(ar, "failed to request MSI irq %d: %d\n",
3166 ar_pci->pdev->irq, ret);
3173 static int ath10k_pci_request_irq_legacy(struct ath10k *ar)
3175 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
3178 ret = request_irq(ar_pci->pdev->irq,
3179 ath10k_pci_interrupt_handler,
3180 IRQF_SHARED, "ath10k_pci", ar);
3182 ath10k_warn(ar, "failed to request legacy irq %d: %d\n",
3183 ar_pci->pdev->irq, ret);
3190 static int ath10k_pci_request_irq(struct ath10k *ar)
3192 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
3194 switch (ar_pci->oper_irq_mode) {
3195 case ATH10K_PCI_IRQ_LEGACY:
3196 return ath10k_pci_request_irq_legacy(ar);
3197 case ATH10K_PCI_IRQ_MSI:
3198 return ath10k_pci_request_irq_msi(ar);
3204 static void ath10k_pci_free_irq(struct ath10k *ar)
3206 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
3208 free_irq(ar_pci->pdev->irq, ar);
3211 void ath10k_pci_init_napi(struct ath10k *ar)
3213 netif_napi_add(&ar->napi_dev, &ar->napi, ath10k_pci_napi_poll,
3214 ATH10K_NAPI_BUDGET);
3217 static int ath10k_pci_init_irq(struct ath10k *ar)
3219 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
3222 ath10k_pci_init_napi(ar);
3224 if (ath10k_pci_irq_mode != ATH10K_PCI_IRQ_AUTO)
3225 ath10k_info(ar, "limiting irq mode to: %d\n",
3226 ath10k_pci_irq_mode);
3229 if (ath10k_pci_irq_mode != ATH10K_PCI_IRQ_LEGACY) {
3230 ar_pci->oper_irq_mode = ATH10K_PCI_IRQ_MSI;
3231 ret = pci_enable_msi(ar_pci->pdev);
3240 * A potential race occurs here: The CORE_BASE write
3241 * depends on target correctly decoding AXI address but
3242 * host won't know when target writes BAR to CORE_CTRL.
3243 * This write might get lost if target has NOT written BAR.
3244 * For now, fix the race by repeating the write in below
3245 * synchronization checking.
3247 ar_pci->oper_irq_mode = ATH10K_PCI_IRQ_LEGACY;
3249 ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + PCIE_INTR_ENABLE_ADDRESS,
3250 PCIE_INTR_FIRMWARE_MASK | PCIE_INTR_CE_MASK_ALL);
3255 static void ath10k_pci_deinit_irq_legacy(struct ath10k *ar)
3257 ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + PCIE_INTR_ENABLE_ADDRESS,
3261 static int ath10k_pci_deinit_irq(struct ath10k *ar)
3263 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
3265 switch (ar_pci->oper_irq_mode) {
3266 case ATH10K_PCI_IRQ_LEGACY:
3267 ath10k_pci_deinit_irq_legacy(ar);
3270 pci_disable_msi(ar_pci->pdev);
3277 int ath10k_pci_wait_for_target_init(struct ath10k *ar)
3279 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
3280 unsigned long timeout;
3283 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot waiting target to initialise\n");
3285 timeout = jiffies + msecs_to_jiffies(ATH10K_PCI_TARGET_WAIT);
3288 val = ath10k_pci_read32(ar, FW_INDICATOR_ADDRESS);
3290 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot target indicator %x\n",
3293 /* target should never return this */
3294 if (val == 0xffffffff)
3297 /* the device has crashed so don't bother trying anymore */
3298 if (val & FW_IND_EVENT_PENDING)
3301 if (val & FW_IND_INITIALIZED)
3304 if (ar_pci->oper_irq_mode == ATH10K_PCI_IRQ_LEGACY)
3305 /* Fix potential race by repeating CORE_BASE writes */
3306 ath10k_pci_enable_legacy_irq(ar);
3309 } while (time_before(jiffies, timeout));
3311 ath10k_pci_disable_and_clear_legacy_irq(ar);
3312 ath10k_pci_irq_msi_fw_mask(ar);
3314 if (val == 0xffffffff) {
3315 ath10k_err(ar, "failed to read device register, device is gone\n");
3319 if (val & FW_IND_EVENT_PENDING) {
3320 ath10k_warn(ar, "device has crashed during init\n");
3324 if (!(val & FW_IND_INITIALIZED)) {
3325 ath10k_err(ar, "failed to receive initialized event from target: %08x\n",
3330 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot target initialised\n");
3334 static int ath10k_pci_cold_reset(struct ath10k *ar)
3338 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cold reset\n");
3340 spin_lock_bh(&ar->data_lock);
3342 ar->stats.fw_cold_reset_counter++;
3344 spin_unlock_bh(&ar->data_lock);
3346 /* Put Target, including PCIe, into RESET. */
3347 val = ath10k_pci_reg_read32(ar, SOC_GLOBAL_RESET_ADDRESS);
3349 ath10k_pci_reg_write32(ar, SOC_GLOBAL_RESET_ADDRESS, val);
3351 /* After writing into SOC_GLOBAL_RESET to put device into
3352 * reset and pulling out of reset pcie may not be stable
3353 * for any immediate pcie register access and cause bus error,
3354 * add delay before any pcie access request to fix this issue.
3358 /* Pull Target, including PCIe, out of RESET. */
3360 ath10k_pci_reg_write32(ar, SOC_GLOBAL_RESET_ADDRESS, val);
3364 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cold reset complete\n");
3369 static int ath10k_pci_claim(struct ath10k *ar)
3371 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
3372 struct pci_dev *pdev = ar_pci->pdev;
3375 pci_set_drvdata(pdev, ar);
3377 ret = pci_enable_device(pdev);
3379 ath10k_err(ar, "failed to enable pci device: %d\n", ret);
3383 ret = pci_request_region(pdev, BAR_NUM, "ath");
3385 ath10k_err(ar, "failed to request region BAR%d: %d\n", BAR_NUM,
3390 /* Target expects 32 bit DMA. Enforce it. */
3391 ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3393 ath10k_err(ar, "failed to set dma mask to 32-bit: %d\n", ret);
3397 ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
3399 ath10k_err(ar, "failed to set consistent dma mask to 32-bit: %d\n",
3404 pci_set_master(pdev);
3406 /* Arrange for access to Target SoC registers. */
3407 ar_pci->mem_len = pci_resource_len(pdev, BAR_NUM);
3408 ar_pci->mem = pci_iomap(pdev, BAR_NUM, 0);
3410 ath10k_err(ar, "failed to iomap BAR%d\n", BAR_NUM);
3415 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot pci_mem 0x%pK\n", ar_pci->mem);
3419 pci_clear_master(pdev);
3422 pci_release_region(pdev, BAR_NUM);
3425 pci_disable_device(pdev);
3430 static void ath10k_pci_release(struct ath10k *ar)
3432 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
3433 struct pci_dev *pdev = ar_pci->pdev;
3435 pci_iounmap(pdev, ar_pci->mem);
3436 pci_release_region(pdev, BAR_NUM);
3437 pci_clear_master(pdev);
3438 pci_disable_device(pdev);
3441 static bool ath10k_pci_chip_is_supported(u32 dev_id, u32 chip_id)
3443 const struct ath10k_pci_supp_chip *supp_chip;
3445 u32 rev_id = MS(chip_id, SOC_CHIP_ID_REV);
3447 for (i = 0; i < ARRAY_SIZE(ath10k_pci_supp_chips); i++) {
3448 supp_chip = &ath10k_pci_supp_chips[i];
3450 if (supp_chip->dev_id == dev_id &&
3451 supp_chip->rev_id == rev_id)
3458 int ath10k_pci_setup_resource(struct ath10k *ar)
3460 struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
3461 struct ath10k_ce *ce = ath10k_ce_priv(ar);
3464 spin_lock_init(&ce->ce_lock);
3465 spin_lock_init(&ar_pci->ps_lock);
3467 timer_setup(&ar_pci->rx_post_retry, ath10k_pci_rx_replenish_retry, 0);
3469 if (QCA_REV_6174(ar) || QCA_REV_9377(ar))
3470 ath10k_pci_override_ce_config(ar);
3472 ret = ath10k_pci_alloc_pipes(ar);
3474 ath10k_err(ar, "failed to allocate copy engine pipes: %d\n",
3482 void ath10k_pci_release_resource(struct ath10k *ar)
3484 ath10k_pci_rx_retry_sync(ar);
3485 netif_napi_del(&ar->napi);
3486 ath10k_pci_ce_deinit(ar);
3487 ath10k_pci_free_pipes(ar);
3490 static const struct ath10k_bus_ops ath10k_pci_bus_ops = {
3491 .read32 = ath10k_bus_pci_read32,
3492 .write32 = ath10k_bus_pci_write32,
3493 .get_num_banks = ath10k_pci_get_num_banks,
3496 static int ath10k_pci_probe(struct pci_dev *pdev,
3497 const struct pci_device_id *pci_dev)
3501 struct ath10k_pci *ar_pci;
3502 enum ath10k_hw_rev hw_rev;
3503 struct ath10k_bus_params bus_params;
3505 int (*pci_soft_reset)(struct ath10k *ar);
3506 int (*pci_hard_reset)(struct ath10k *ar);
3507 u32 (*targ_cpu_to_ce_addr)(struct ath10k *ar, u32 addr);
3509 switch (pci_dev->device) {
3510 case QCA988X_2_0_DEVICE_ID_UBNT:
3511 case QCA988X_2_0_DEVICE_ID:
3512 hw_rev = ATH10K_HW_QCA988X;
3514 pci_soft_reset = ath10k_pci_warm_reset;
3515 pci_hard_reset = ath10k_pci_qca988x_chip_reset;
3516 targ_cpu_to_ce_addr = ath10k_pci_qca988x_targ_cpu_to_ce_addr;
3518 case QCA9887_1_0_DEVICE_ID:
3519 hw_rev = ATH10K_HW_QCA9887;
3521 pci_soft_reset = ath10k_pci_warm_reset;
3522 pci_hard_reset = ath10k_pci_qca988x_chip_reset;
3523 targ_cpu_to_ce_addr = ath10k_pci_qca988x_targ_cpu_to_ce_addr;
3525 case QCA6164_2_1_DEVICE_ID:
3526 case QCA6174_2_1_DEVICE_ID:
3527 hw_rev = ATH10K_HW_QCA6174;
3529 pci_soft_reset = ath10k_pci_warm_reset;
3530 pci_hard_reset = ath10k_pci_qca6174_chip_reset;
3531 targ_cpu_to_ce_addr = ath10k_pci_qca6174_targ_cpu_to_ce_addr;
3533 case QCA99X0_2_0_DEVICE_ID:
3534 hw_rev = ATH10K_HW_QCA99X0;
3536 pci_soft_reset = ath10k_pci_qca99x0_soft_chip_reset;
3537 pci_hard_reset = ath10k_pci_qca99x0_chip_reset;
3538 targ_cpu_to_ce_addr = ath10k_pci_qca99x0_targ_cpu_to_ce_addr;
3540 case QCA9984_1_0_DEVICE_ID:
3541 hw_rev = ATH10K_HW_QCA9984;
3543 pci_soft_reset = ath10k_pci_qca99x0_soft_chip_reset;
3544 pci_hard_reset = ath10k_pci_qca99x0_chip_reset;
3545 targ_cpu_to_ce_addr = ath10k_pci_qca99x0_targ_cpu_to_ce_addr;
3547 case QCA9888_2_0_DEVICE_ID:
3548 hw_rev = ATH10K_HW_QCA9888;
3550 pci_soft_reset = ath10k_pci_qca99x0_soft_chip_reset;
3551 pci_hard_reset = ath10k_pci_qca99x0_chip_reset;
3552 targ_cpu_to_ce_addr = ath10k_pci_qca99x0_targ_cpu_to_ce_addr;
3554 case QCA9377_1_0_DEVICE_ID:
3555 hw_rev = ATH10K_HW_QCA9377;
3557 pci_soft_reset = NULL;
3558 pci_hard_reset = ath10k_pci_qca6174_chip_reset;
3559 targ_cpu_to_ce_addr = ath10k_pci_qca6174_targ_cpu_to_ce_addr;
3566 ar = ath10k_core_create(sizeof(*ar_pci), &pdev->dev, ATH10K_BUS_PCI,
3567 hw_rev, &ath10k_pci_hif_ops);
3569 dev_err(&pdev->dev, "failed to allocate core\n");
3573 ath10k_dbg(ar, ATH10K_DBG_BOOT, "pci probe %04x:%04x %04x:%04x\n",
3574 pdev->vendor, pdev->device,
3575 pdev->subsystem_vendor, pdev->subsystem_device);
3577 ar_pci = ath10k_pci_priv(ar);
3578 ar_pci->pdev = pdev;
3579 ar_pci->dev = &pdev->dev;
3581 ar->dev_id = pci_dev->device;
3582 ar_pci->pci_ps = pci_ps;
3583 ar_pci->ce.bus_ops = &ath10k_pci_bus_ops;
3584 ar_pci->pci_soft_reset = pci_soft_reset;
3585 ar_pci->pci_hard_reset = pci_hard_reset;
3586 ar_pci->targ_cpu_to_ce_addr = targ_cpu_to_ce_addr;
3587 ar->ce_priv = &ar_pci->ce;
3589 ar->id.vendor = pdev->vendor;
3590 ar->id.device = pdev->device;
3591 ar->id.subsystem_vendor = pdev->subsystem_vendor;
3592 ar->id.subsystem_device = pdev->subsystem_device;
3594 timer_setup(&ar_pci->ps_timer, ath10k_pci_ps_timer, 0);
3596 ret = ath10k_pci_setup_resource(ar);
3598 ath10k_err(ar, "failed to setup resource: %d\n", ret);
3599 goto err_core_destroy;
3602 ret = ath10k_pci_claim(ar);
3604 ath10k_err(ar, "failed to claim device: %d\n", ret);
3605 goto err_free_pipes;
3608 ret = ath10k_pci_force_wake(ar);
3610 ath10k_warn(ar, "failed to wake up device : %d\n", ret);
3614 ath10k_pci_ce_deinit(ar);
3615 ath10k_pci_irq_disable(ar);
3617 ret = ath10k_pci_init_irq(ar);
3619 ath10k_err(ar, "failed to init irqs: %d\n", ret);
3623 ath10k_info(ar, "pci irq %s oper_irq_mode %d irq_mode %d reset_mode %d\n",
3624 ath10k_pci_get_irq_method(ar), ar_pci->oper_irq_mode,
3625 ath10k_pci_irq_mode, ath10k_pci_reset_mode);
3627 ret = ath10k_pci_request_irq(ar);
3629 ath10k_warn(ar, "failed to request irqs: %d\n", ret);
3630 goto err_deinit_irq;
3633 ret = ath10k_pci_chip_reset(ar);
3635 ath10k_err(ar, "failed to reset chip: %d\n", ret);
3639 bus_params.dev_type = ATH10K_DEV_TYPE_LL;
3640 bus_params.chip_id = ath10k_pci_soc_read32(ar, SOC_CHIP_ID_ADDRESS);
3641 if (bus_params.chip_id == 0xffffffff) {
3642 ath10k_err(ar, "failed to get chip id\n");
3646 if (!ath10k_pci_chip_is_supported(pdev->device, bus_params.chip_id)) {
3647 ath10k_err(ar, "device %04x with chip_id %08x isn't supported\n",
3648 pdev->device, bus_params.chip_id);
3652 ret = ath10k_core_register(ar, &bus_params);
3654 ath10k_err(ar, "failed to register driver core: %d\n", ret);
3661 ath10k_pci_free_irq(ar);
3662 ath10k_pci_rx_retry_sync(ar);
3665 ath10k_pci_deinit_irq(ar);
3668 ath10k_pci_sleep_sync(ar);
3669 ath10k_pci_release(ar);
3672 ath10k_pci_free_pipes(ar);
3675 ath10k_core_destroy(ar);
3680 static void ath10k_pci_remove(struct pci_dev *pdev)
3682 struct ath10k *ar = pci_get_drvdata(pdev);
3683 struct ath10k_pci *ar_pci;
3685 ath10k_dbg(ar, ATH10K_DBG_PCI, "pci remove\n");
3690 ar_pci = ath10k_pci_priv(ar);
3695 ath10k_core_unregister(ar);
3696 ath10k_pci_free_irq(ar);
3697 ath10k_pci_deinit_irq(ar);
3698 ath10k_pci_release_resource(ar);
3699 ath10k_pci_sleep_sync(ar);
3700 ath10k_pci_release(ar);
3701 ath10k_core_destroy(ar);
3704 MODULE_DEVICE_TABLE(pci, ath10k_pci_id_table);
3706 static __maybe_unused int ath10k_pci_pm_suspend(struct device *dev)
3708 struct ath10k *ar = dev_get_drvdata(dev);
3711 ret = ath10k_pci_suspend(ar);
3713 ath10k_warn(ar, "failed to suspend hif: %d\n", ret);
3718 static __maybe_unused int ath10k_pci_pm_resume(struct device *dev)
3720 struct ath10k *ar = dev_get_drvdata(dev);
3723 ret = ath10k_pci_resume(ar);
3725 ath10k_warn(ar, "failed to resume hif: %d\n", ret);
3730 static SIMPLE_DEV_PM_OPS(ath10k_pci_pm_ops,
3731 ath10k_pci_pm_suspend,
3732 ath10k_pci_pm_resume);
3734 static struct pci_driver ath10k_pci_driver = {
3735 .name = "ath10k_pci",
3736 .id_table = ath10k_pci_id_table,
3737 .probe = ath10k_pci_probe,
3738 .remove = ath10k_pci_remove,
3740 .driver.pm = &ath10k_pci_pm_ops,
3744 static int __init ath10k_pci_init(void)
3748 ret = pci_register_driver(&ath10k_pci_driver);
3750 printk(KERN_ERR "failed to register ath10k pci driver: %d\n",
3753 ret = ath10k_ahb_init();
3755 printk(KERN_ERR "ahb init failed: %d\n", ret);
3759 module_init(ath10k_pci_init);
3761 static void __exit ath10k_pci_exit(void)
3763 pci_unregister_driver(&ath10k_pci_driver);
3767 module_exit(ath10k_pci_exit);
3769 MODULE_AUTHOR("Qualcomm Atheros");
3770 MODULE_DESCRIPTION("Driver support for Qualcomm Atheros 802.11ac WLAN PCIe/AHB devices");
3771 MODULE_LICENSE("Dual BSD/GPL");
3773 /* QCA988x 2.0 firmware files */
3774 MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API2_FILE);
3775 MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API3_FILE);
3776 MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API4_FILE);
3777 MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API5_FILE);
3778 MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" QCA988X_HW_2_0_BOARD_DATA_FILE);
3779 MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_BOARD_API2_FILE);
3781 /* QCA9887 1.0 firmware files */
3782 MODULE_FIRMWARE(QCA9887_HW_1_0_FW_DIR "/" ATH10K_FW_API5_FILE);
3783 MODULE_FIRMWARE(QCA9887_HW_1_0_FW_DIR "/" QCA9887_HW_1_0_BOARD_DATA_FILE);
3784 MODULE_FIRMWARE(QCA9887_HW_1_0_FW_DIR "/" ATH10K_BOARD_API2_FILE);
3786 /* QCA6174 2.1 firmware files */
3787 MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" ATH10K_FW_API4_FILE);
3788 MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" ATH10K_FW_API5_FILE);
3789 MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" QCA6174_HW_2_1_BOARD_DATA_FILE);
3790 MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" ATH10K_BOARD_API2_FILE);
3792 /* QCA6174 3.1 firmware files */
3793 MODULE_FIRMWARE(QCA6174_HW_3_0_FW_DIR "/" ATH10K_FW_API4_FILE);
3794 MODULE_FIRMWARE(QCA6174_HW_3_0_FW_DIR "/" ATH10K_FW_API5_FILE);
3795 MODULE_FIRMWARE(QCA6174_HW_3_0_FW_DIR "/" ATH10K_FW_API6_FILE);
3796 MODULE_FIRMWARE(QCA6174_HW_3_0_FW_DIR "/" QCA6174_HW_3_0_BOARD_DATA_FILE);
3797 MODULE_FIRMWARE(QCA6174_HW_3_0_FW_DIR "/" ATH10K_BOARD_API2_FILE);
3799 /* QCA9377 1.0 firmware files */
3800 MODULE_FIRMWARE(QCA9377_HW_1_0_FW_DIR "/" ATH10K_FW_API6_FILE);
3801 MODULE_FIRMWARE(QCA9377_HW_1_0_FW_DIR "/" ATH10K_FW_API5_FILE);
3802 MODULE_FIRMWARE(QCA9377_HW_1_0_FW_DIR "/" QCA9377_HW_1_0_BOARD_DATA_FILE);