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Vladimir Kondratiev2be7d222012-12-20 13:13:19 -08001/*
Vladimir Kondratiev02525a72014-08-06 10:31:51 +03002 * Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -08003 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#ifndef __WIL6210_H__
18#define __WIL6210_H__
19
20#include <linux/netdevice.h>
21#include <linux/wireless.h>
22#include <net/cfg80211.h>
Vladimir Kondratiev7c0acf82014-06-16 19:37:05 +030023#include <linux/timex.h>
Vladimir Kondratievf772ebf2014-09-10 16:34:35 +030024#include "wil_platform.h"
25
Vladimir Kondratievc33407a2014-10-01 15:05:24 +030026extern bool no_fw_recovery;
Vladimir Kondratiev9a06bec2014-10-28 16:51:27 +020027extern unsigned int mtu_max;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080028
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080029#define WIL_NAME "wil6210"
Vladimir Kondratiev151a9702014-09-10 16:34:30 +030030#define WIL_FW_NAME "wil6210.fw"
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080031
Vladimir Kondratievf772ebf2014-09-10 16:34:35 +030032#define WIL_MAX_BUS_REQUEST_KBPS 800000 /* ~6.1Gbps */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080033
Vladimir Kondratiev65082812014-07-14 09:49:37 +030034struct wil_board {
35 int board;
36#define WIL_BOARD_MARLON (1)
37#define WIL_BOARD_SPARROW (2)
38 const char * const name;
39};
40
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080041/**
42 * extract bits [@b0:@b1] (inclusive) from the value @x
43 * it should be @b0 <= @b1, or result is incorrect
44 */
45static inline u32 WIL_GET_BITS(u32 x, int b0, int b1)
46{
47 return (x >> b0) & ((1 << (b1 - b0 + 1)) - 1);
48}
49
50#define WIL6210_MEM_SIZE (2*1024*1024UL)
51
Vladimir Kondratieve0287c42013-05-12 14:43:36 +030052#define WIL6210_RX_RING_SIZE (128)
Vladimir Kondratiev6c9ec5e2014-04-08 11:36:19 +030053#define WIL6210_TX_RING_SIZE (512)
Vladimir Kondratieve0287c42013-05-12 14:43:36 +030054#define WIL6210_MAX_TX_RINGS (24) /* HW limit */
55#define WIL6210_MAX_CID (8) /* HW limit */
56#define WIL6210_NAPI_BUDGET (16) /* arbitrary */
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +030057/* Max supported by wil6210 value for interrupt threshold is 5sec. */
58#define WIL6210_ITR_TRSH_MAX (5000000)
59#define WIL6210_ITR_TRSH_DEFAULT (300) /* usec */
Vladimir Kondratievfc219ee2014-05-27 14:45:45 +030060#define WIL6210_FW_RECOVERY_RETRIES (5) /* try to recover this many times */
61#define WIL6210_FW_RECOVERY_TO msecs_to_jiffies(5000)
Vladimir Kondratiev047e5d72014-05-27 14:45:48 +030062#define WIL6210_SCAN_TO msecs_to_jiffies(10000)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -080063
64/* Hardware definitions begin */
65
66/*
67 * Mapping
68 * RGF File | Host addr | FW addr
69 * | |
70 * user_rgf | 0x000000 | 0x880000
71 * dma_rgf | 0x001000 | 0x881000
72 * pcie_rgf | 0x002000 | 0x882000
73 * | |
74 */
75
76/* Where various structures placed in host address space */
77#define WIL6210_FW_HOST_OFF (0x880000UL)
78
79#define HOSTADDR(fwaddr) (fwaddr - WIL6210_FW_HOST_OFF)
80
81/*
82 * Interrupt control registers block
83 *
84 * each interrupt controlled by the same bit in all registers
85 */
86struct RGF_ICR {
87 u32 ICC; /* Cause Control, RW: 0 - W1C, 1 - COR */
88 u32 ICR; /* Cause, W1C/COR depending on ICC */
89 u32 ICM; /* Cause masked (ICR & ~IMV), W1C/COR depending on ICC */
90 u32 ICS; /* Cause Set, WO */
91 u32 IMV; /* Mask, RW+S/C */
92 u32 IMS; /* Mask Set, write 1 to set */
93 u32 IMC; /* Mask Clear, write 1 to clear */
94} __packed;
95
96/* registers - FW addresses */
Vladimir Kondratievb373de72014-07-14 09:49:42 +030097#define RGF_USER_USAGE_1 (0x880004)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +030098#define RGF_USER_USAGE_6 (0x880018)
Vladimir Kondratievd28bcc32014-03-17 15:34:23 +020099#define RGF_USER_HW_MACHINE_STATE (0x8801dc)
100 #define HW_MACHINE_BOOT_DONE (0x3fffffd)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800101#define RGF_USER_USER_CPU_0 (0x8801e0)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300102 #define BIT_USER_USER_CPU_MAN_RST BIT(1) /* user_cpu_man_rst */
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200103#define RGF_USER_MAC_CPU_0 (0x8801fc)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300104 #define BIT_USER_MAC_CPU_MAN_RST BIT(1) /* mac_cpu_man_rst */
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200105#define RGF_USER_USER_SCRATCH_PAD (0x8802bc)
106#define RGF_USER_FW_REV_ID (0x880a8c) /* chip revision */
Vladimir Kondratiev972072a2014-03-17 15:34:15 +0200107#define RGF_USER_CLKS_CTL_0 (0x880abc)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300108 #define BIT_USER_CLKS_CAR_AHB_SW_SEL BIT(1) /* ref clk/PLL */
Vladimir Kondratiev972072a2014-03-17 15:34:15 +0200109 #define BIT_USER_CLKS_RST_PWGD BIT(11) /* reset on "power good" */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800110#define RGF_USER_CLKS_CTL_SW_RST_VEC_0 (0x880b04)
111#define RGF_USER_CLKS_CTL_SW_RST_VEC_1 (0x880b08)
112#define RGF_USER_CLKS_CTL_SW_RST_VEC_2 (0x880b0c)
113#define RGF_USER_CLKS_CTL_SW_RST_VEC_3 (0x880b10)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200114#define RGF_USER_CLKS_CTL_SW_RST_MASK_0 (0x880b14)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300115 #define BIT_HPAL_PERST_FROM_PAD BIT(6)
116 #define BIT_CAR_PERST_RST BIT(7)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200117#define RGF_USER_USER_ICR (0x880b4c) /* struct RGF_ICR */
118 #define BIT_USER_USER_ICR_SW_INT_2 BIT(18)
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300119#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0 (0x880c18)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300120#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1 (0x880c2c)
Vladimir Kondratiev48516292014-10-28 16:50:07 +0200121#define RGF_USER_SPARROW_M_4 (0x880c50) /* Sparrow */
122 #define BIT_SPARROW_M_4_SEL_SLEEP_OR_REF BIT(2)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800123
124#define RGF_DMA_EP_TX_ICR (0x881bb4) /* struct RGF_ICR */
125 #define BIT_DMA_EP_TX_ICR_TX_DONE BIT(0)
126 #define BIT_DMA_EP_TX_ICR_TX_DONE_N(n) BIT(n+1) /* n = [0..23] */
127#define RGF_DMA_EP_RX_ICR (0x881bd0) /* struct RGF_ICR */
128 #define BIT_DMA_EP_RX_ICR_RX_DONE BIT(0)
129#define RGF_DMA_EP_MISC_ICR (0x881bec) /* struct RGF_ICR */
130 #define BIT_DMA_EP_MISC_ICR_RX_HTRSH BIT(0)
131 #define BIT_DMA_EP_MISC_ICR_TX_NO_ACT BIT(1)
Vladimir Kondratiev72694942013-01-28 18:30:56 +0200132 #define BIT_DMA_EP_MISC_ICR_FW_INT(n) BIT(28+n) /* n = [0..3] */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800133
134/* Interrupt moderation control */
135#define RGF_DMA_ITR_CNT_TRSH (0x881c5c)
136#define RGF_DMA_ITR_CNT_DATA (0x881c60)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200137#define RGF_DMA_ITR_CNT_CRL (0x881c64)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800138 #define BIT_DMA_ITR_CNT_CRL_EN BIT(0)
139 #define BIT_DMA_ITR_CNT_CRL_EXT_TICK BIT(1)
140 #define BIT_DMA_ITR_CNT_CRL_FOREVER BIT(2)
141 #define BIT_DMA_ITR_CNT_CRL_CLR BIT(3)
142 #define BIT_DMA_ITR_CNT_CRL_REACH_TRSH BIT(4)
143
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200144#define RGF_DMA_PSEUDO_CAUSE (0x881c68)
145#define RGF_DMA_PSEUDO_CAUSE_MASK_SW (0x881c6c)
146#define RGF_DMA_PSEUDO_CAUSE_MASK_FW (0x881c70)
147 #define BIT_DMA_PSEUDO_CAUSE_RX BIT(0)
148 #define BIT_DMA_PSEUDO_CAUSE_TX BIT(1)
149 #define BIT_DMA_PSEUDO_CAUSE_MISC BIT(2)
150
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300151#define RGF_HP_CTRL (0x88265c)
Vladimir Kondratiev17123992014-03-17 15:34:14 +0200152#define RGF_PCIE_LOS_COUNTER_CTL (0x882dc4)
153
Vladimir Kondratiev91b775e2014-08-06 10:31:49 +0300154/* MAC timer, usec, for packet lifetime */
155#define RGF_MAC_MTRL_COUNTER_0 (0x886aa8)
156
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300157#define RGF_CAF_ICR (0x88946c) /* struct RGF_ICR */
Vladimir Kondratiev48516292014-10-28 16:50:07 +0200158#define RGF_CAF_OSC_CONTROL (0x88afa4)
159 #define BIT_CAF_OSC_XTAL_EN BIT(0)
160#define RGF_CAF_PLL_LOCK_STATUS (0x88afec)
161 #define BIT_CAF_OSC_DIG_XTAL_STABLE BIT(0)
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300162
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800163/* popular locations */
164#define HOST_MBOX HOSTADDR(RGF_USER_USER_SCRATCH_PAD)
165#define HOST_SW_INT (HOSTADDR(RGF_USER_USER_ICR) + \
166 offsetof(struct RGF_ICR, ICS))
167#define SW_INT_MBOX BIT_USER_USER_ICR_SW_INT_2
168
169/* ISR register bits */
Vladimir Kondratiev72694942013-01-28 18:30:56 +0200170#define ISR_MISC_FW_READY BIT_DMA_EP_MISC_ICR_FW_INT(0)
171#define ISR_MISC_MBOX_EVT BIT_DMA_EP_MISC_ICR_FW_INT(1)
172#define ISR_MISC_FW_ERROR BIT_DMA_EP_MISC_ICR_FW_INT(3)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800173
174/* Hardware definitions end */
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300175struct fw_map {
176 u32 from; /* linker address - from, inclusive */
177 u32 to; /* linker address - to, exclusive */
178 u32 host; /* PCI/Host address - BAR0 + 0x880000 */
179 const char *name; /* for debugfs */
180};
Vladimir Kondratiev8fe59622014-09-10 16:34:34 +0300181
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300182/* array size should be in sync with actual definition in the wmi.c */
Vladimir Kondratiev72269142014-07-14 09:49:43 +0300183extern const struct fw_map fw_mapping[7];
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800184
Vladimir Kondratieva70abea2014-03-17 15:34:05 +0200185/**
186 * mk_cidxtid - construct @cidxtid field
187 * @cid: CID value
188 * @tid: TID value
189 *
190 * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
191 */
192static inline u8 mk_cidxtid(u8 cid, u8 tid)
193{
194 return ((tid & 0xf) << 4) | (cid & 0xf);
195}
196
197/**
198 * parse_cidxtid - parse @cidxtid field
199 * @cid: store CID value here
200 * @tid: store TID value here
201 *
202 * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
203 */
204static inline void parse_cidxtid(u8 cidxtid, u8 *cid, u8 *tid)
205{
206 *cid = cidxtid & 0xf;
207 *tid = (cidxtid >> 4) & 0xf;
208}
209
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800210struct wil6210_mbox_ring {
211 u32 base;
212 u16 entry_size; /* max. size of mbox entry, incl. all headers */
213 u16 size;
214 u32 tail;
215 u32 head;
216} __packed;
217
218struct wil6210_mbox_ring_desc {
219 __le32 sync;
220 __le32 addr;
221} __packed;
222
223/* at HOST_OFF_WIL6210_MBOX_CTL */
224struct wil6210_mbox_ctl {
225 struct wil6210_mbox_ring tx;
226 struct wil6210_mbox_ring rx;
227} __packed;
228
229struct wil6210_mbox_hdr {
230 __le16 seq;
231 __le16 len; /* payload, bytes after this header */
232 __le16 type;
233 u8 flags;
234 u8 reserved;
235} __packed;
236
237#define WIL_MBOX_HDR_TYPE_WMI (0)
238
239/* max. value for wil6210_mbox_hdr.len */
240#define MAX_MBOXITEM_SIZE (240)
241
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300242/**
243 * struct wil6210_mbox_hdr_wmi - WMI header
244 *
245 * @mid: MAC ID
246 * 00 - default, created by FW
247 * 01..0f - WiFi ports, driver to create
248 * 10..fe - debug
249 * ff - broadcast
250 * @id: command/event ID
251 * @timestamp: FW fills for events, free-running msec timer
252 */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800253struct wil6210_mbox_hdr_wmi {
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300254 u8 mid;
255 u8 reserved;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800256 __le16 id;
Vladimir Kondratievf988b232013-07-11 18:03:37 +0300257 __le32 timestamp;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800258} __packed;
259
260struct pending_wmi_event {
261 struct list_head list;
262 struct {
263 struct wil6210_mbox_hdr hdr;
264 struct wil6210_mbox_hdr_wmi wmi;
265 u8 data[0];
266 } __packed event;
267};
268
Vladimir Kondratiev2232abd2014-03-17 15:34:09 +0200269enum { /* for wil_ctx.mapped_as */
270 wil_mapped_as_none = 0,
271 wil_mapped_as_single = 1,
272 wil_mapped_as_page = 2,
273};
274
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300275/**
276 * struct wil_ctx - software context for Vring descriptor
277 */
278struct wil_ctx {
279 struct sk_buff *skb;
Vladimir Kondratievc2366582014-03-17 15:34:08 +0200280 u8 nr_frags;
Vladimir Kondratiev2232abd2014-03-17 15:34:09 +0200281 u8 mapped_as;
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300282};
283
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800284union vring_desc;
285
286struct vring {
287 dma_addr_t pa;
288 volatile union vring_desc *va; /* vring_desc[size], WriteBack by DMA */
289 u16 size; /* number of vring_desc elements */
290 u32 swtail;
291 u32 swhead;
292 u32 hwtail; /* write here to inform hw */
Vladimir Kondratievf88f1132013-07-11 18:03:40 +0300293 struct wil_ctx *ctx; /* ctx[size] - software context */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800294};
295
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200296/**
297 * Additional data for Tx Vring
298 */
299struct vring_tx_data {
300 int enabled;
Vladimir Kondratiev7c0acf82014-06-16 19:37:05 +0300301 cycles_t idle, last_idle, begin;
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200302};
303
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800304enum { /* for wil6210_priv.status */
305 wil_status_fwready = 0,
Vladimir Kondratievb338f742013-05-28 15:17:53 +0300306 wil_status_fwconnecting,
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800307 wil_status_fwconnected,
308 wil_status_dontscan,
Vladimir Kondratiev55f7acd2013-03-13 14:12:49 +0200309 wil_status_reset_done,
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800310 wil_status_irqen, /* FIXME: interrupts enabled - for debug */
Vladimir Kondratiev0fef1812014-03-17 15:34:18 +0200311 wil_status_napi_en, /* NAPI enabled protected by wil->mutex */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800312};
313
314struct pci_dev;
315
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200316/**
317 * struct tid_ampdu_rx - TID aggregation information (Rx).
318 *
319 * @reorder_buf: buffer to reorder incoming aggregated MPDUs
320 * @reorder_time: jiffies when skb was added
321 * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value)
322 * @reorder_timer: releases expired frames from the reorder buffer.
323 * @last_rx: jiffies of last rx activity
324 * @head_seq_num: head sequence number in reordering buffer.
325 * @stored_mpdu_num: number of MPDUs in reordering buffer
326 * @ssn: Starting Sequence Number expected to be aggregated.
327 * @buf_size: buffer size for incoming A-MPDUs
328 * @timeout: reset timer value (in TUs).
329 * @dialog_token: dialog token for aggregation session
330 * @rcu_head: RCU head used for freeing this struct
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200331 *
332 * This structure's lifetime is managed by RCU, assignments to
333 * the array holding it must hold the aggregation mutex.
334 *
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200335 */
336struct wil_tid_ampdu_rx {
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200337 struct sk_buff **reorder_buf;
338 unsigned long *reorder_time;
339 struct timer_list session_timer;
340 struct timer_list reorder_timer;
341 unsigned long last_rx;
342 u16 head_seq_num;
343 u16 stored_mpdu_num;
344 u16 ssn;
345 u16 buf_size;
346 u16 timeout;
Vladimir Kondratievd5b1c322014-06-16 19:37:07 +0300347 u16 ssn_last_drop;
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200348 u8 dialog_token;
Vladimir Kondratievc888cdd2014-04-08 11:36:18 +0300349 bool first_time; /* is it 1-st time this buffer used? */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200350};
351
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200352enum wil_sta_status {
353 wil_sta_unused = 0,
354 wil_sta_conn_pending = 1,
355 wil_sta_connected = 2,
356};
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200357
358#define WIL_STA_TID_NUM (16)
359
Vladimir Kondratievc8b78b52014-02-27 16:20:49 +0200360struct wil_net_stats {
361 unsigned long rx_packets;
362 unsigned long tx_packets;
363 unsigned long rx_bytes;
364 unsigned long tx_bytes;
365 unsigned long tx_errors;
366 unsigned long rx_dropped;
367 u16 last_mcs_rx;
368};
369
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200370/**
371 * struct wil_sta_info - data for peer
372 *
373 * Peer identified by its CID (connection ID)
374 * NIC performs beam forming for each peer;
375 * if no beam forming done, frame exchange is not
376 * possible.
377 */
378struct wil_sta_info {
379 u8 addr[ETH_ALEN];
380 enum wil_sta_status status;
Vladimir Kondratievc8b78b52014-02-27 16:20:49 +0200381 struct wil_net_stats stats;
Vladimir Kondratieve58c9f72014-03-17 15:34:06 +0200382 bool data_port_open; /* can send any data, not only EAPOL */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200383 /* Rx BACK */
384 struct wil_tid_ampdu_rx *tid_rx[WIL_STA_TID_NUM];
Dedy Lanskyec81b5a2014-09-10 16:34:42 +0300385 spinlock_t tid_rx_lock; /* guarding tid_rx array */
Vladimir Kondratievb4490f42014-02-27 16:20:44 +0200386 unsigned long tid_rx_timer_expired[BITS_TO_LONGS(WIL_STA_TID_NUM)];
387 unsigned long tid_rx_stop_requested[BITS_TO_LONGS(WIL_STA_TID_NUM)];
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200388};
389
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300390enum {
391 fw_recovery_idle = 0,
392 fw_recovery_pending = 1,
393 fw_recovery_running = 2,
394};
395
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800396struct wil6210_priv {
397 struct pci_dev *pdev;
398 int n_msi;
399 struct wireless_dev *wdev;
400 void __iomem *csr;
401 ulong status;
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200402 u32 fw_version;
Vladimir Kondratiev36b10a72014-03-17 15:34:10 +0200403 u32 hw_version;
Vladimir Kondratiev65082812014-07-14 09:49:37 +0300404 struct wil_board *board;
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200405 u8 n_mids; /* number of additional MIDs as reported by FW */
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300406 u32 recovery_count; /* num of FW recovery attempts in a short time */
407 u32 recovery_state; /* FW recovery state machine */
Vladimir Kondratievfc219ee2014-05-27 14:45:45 +0300408 unsigned long last_fw_recovery; /* jiffies of last fw recovery */
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300409 wait_queue_head_t wq; /* for all wait_event() use */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800410 /* profile */
411 u32 monitor_flags;
412 u32 secure_pcp; /* create secure PCP? */
413 int sinfo_gen;
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300414 u32 itr_trsh;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800415 /* cached ISR registers */
416 u32 isr_misc;
417 /* mailbox related */
418 struct mutex wmi_mutex;
419 struct wil6210_mbox_ctl mbox_ctl;
420 struct completion wmi_ready;
Dedy Lansky59502642014-09-10 16:34:46 +0300421 struct completion wmi_call;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800422 u16 wmi_seq;
423 u16 reply_id; /**< wait for this WMI event */
424 void *reply_buf;
425 u16 reply_size;
426 struct workqueue_struct *wmi_wq; /* for deferred calls */
427 struct work_struct wmi_event_worker;
428 struct workqueue_struct *wmi_wq_conn; /* for connect worker */
Vladimir Kondratievd81079f2013-03-13 14:12:43 +0200429 struct work_struct connect_worker;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800430 struct work_struct disconnect_worker;
Vladimir Kondratieved6f9dc2014-03-17 15:34:19 +0200431 struct work_struct fw_error_worker; /* for FW error recovery */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800432 struct timer_list connect_timer;
Vladimir Kondratiev047e5d72014-05-27 14:45:48 +0300433 struct timer_list scan_timer; /* detect scan timeout */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800434 int pending_connect_cid;
435 struct list_head pending_wmi_ev;
436 /*
437 * protect pending_wmi_ev
438 * - fill in IRQ from wil6210_irq_misc,
439 * - consumed in thread by wmi_event_worker
440 */
441 spinlock_t wmi_ev_lock;
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300442 struct napi_struct napi_rx;
443 struct napi_struct napi_tx;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800444 /* DMA related */
445 struct vring vring_rx;
446 struct vring vring_tx[WIL6210_MAX_TX_RINGS];
Vladimir Kondratiev097638a2014-03-17 15:34:25 +0200447 struct vring_tx_data vring_tx_data[WIL6210_MAX_TX_RINGS];
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200448 u8 vring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */
449 struct wil_sta_info sta[WIL6210_MAX_CID];
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800450 /* scan */
451 struct cfg80211_scan_request *scan_request;
452
453 struct mutex mutex; /* for wil6210_priv access in wil_{up|down} */
454 /* statistics */
Vladimir Kondratievbe299852014-06-16 19:37:22 +0300455 atomic_t isr_count_rx, isr_count_tx;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800456 /* debugfs */
457 struct dentry *debug;
Vladimir Kondratievb541d0a2014-07-14 09:49:41 +0300458 struct debugfs_blob_wrapper blobs[ARRAY_SIZE(fw_mapping)];
Vladimir Kondratievf772ebf2014-09-10 16:34:35 +0300459
460 void *platform_handle;
461 struct wil_platform_ops platform_ops;
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800462};
463
464#define wil_to_wiphy(i) (i->wdev->wiphy)
465#define wil_to_dev(i) (wiphy_dev(wil_to_wiphy(i)))
466#define wiphy_to_wil(w) (struct wil6210_priv *)(wiphy_priv(w))
467#define wil_to_wdev(i) (i->wdev)
468#define wdev_to_wil(w) (struct wil6210_priv *)(wdev_priv(w))
469#define wil_to_ndev(i) (wil_to_wdev(i)->netdev)
470#define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr))
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300471#define wil_to_pcie_dev(i) (&i->pdev->dev)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800472
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700473__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400474void wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...);
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700475__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400476void wil_err(struct wil6210_priv *wil, const char *fmt, ...);
Joe Perchesbabcb3e2014-09-22 10:35:34 -0700477__printf(2, 3)
David S. Miller57219dc2014-09-26 15:19:05 -0400478void wil_info(struct wil6210_priv *wil, const char *fmt, ...);
Vladimir Kondratiev98658092013-05-12 14:43:35 +0300479#define wil_dbg(wil, fmt, arg...) do { \
480 netdev_dbg(wil_to_ndev(wil), fmt, ##arg); \
481 wil_dbg_trace(wil, fmt, ##arg); \
482} while (0)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800483
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200484#define wil_dbg_irq(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg)
485#define wil_dbg_txrx(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg)
486#define wil_dbg_wmi(wil, fmt, arg...) wil_dbg(wil, "DBG[ WMI]" fmt, ##arg)
487#define wil_dbg_misc(wil, fmt, arg...) wil_dbg(wil, "DBG[MISC]" fmt, ##arg)
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800488
Vladimir Kondratiev871d8c42014-09-10 16:34:39 +0300489#if defined(CONFIG_DYNAMIC_DEBUG)
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200490#define wil_hex_dump_txrx(prefix_str, prefix_type, rowsize, \
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800491 groupsize, buf, len, ascii) \
Vladimir Kondratiev3b0378a2013-03-13 14:12:38 +0200492 print_hex_dump_debug("DBG[TXRX]" prefix_str,\
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800493 prefix_type, rowsize, \
494 groupsize, buf, len, ascii)
495
Vladimir Kondratiev77438822013-01-28 18:31:06 +0200496#define wil_hex_dump_wmi(prefix_str, prefix_type, rowsize, \
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800497 groupsize, buf, len, ascii) \
Vladimir Kondratiev3b0378a2013-03-13 14:12:38 +0200498 print_hex_dump_debug("DBG[ WMI]" prefix_str,\
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800499 prefix_type, rowsize, \
500 groupsize, buf, len, ascii)
Vladimir Kondratieva43b5142014-09-14 11:14:10 +0300501#else /* defined(CONFIG_DYNAMIC_DEBUG) */
502static inline
503void wil_hex_dump_txrx(const char *prefix_str, int prefix_type, int rowsize,
504 int groupsize, const void *buf, size_t len, bool ascii)
505{
506}
507
508static inline
509void wil_hex_dump_wmi(const char *prefix_str, int prefix_type, int rowsize,
510 int groupsize, const void *buf, size_t len, bool ascii)
511{
512}
513#endif /* defined(CONFIG_DYNAMIC_DEBUG) */
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800514
515void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
516 size_t count);
517void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
518 size_t count);
519
520void *wil_if_alloc(struct device *dev, void __iomem *csr);
521void wil_if_free(struct wil6210_priv *wil);
522int wil_if_add(struct wil6210_priv *wil);
523void wil_if_remove(struct wil6210_priv *wil);
524int wil_priv_init(struct wil6210_priv *wil);
525void wil_priv_deinit(struct wil6210_priv *wil);
526int wil_reset(struct wil6210_priv *wil);
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300527void wil_set_itr_trsh(struct wil6210_priv *wil);
Vladimir Kondratieved6f9dc2014-03-17 15:34:19 +0200528void wil_fw_error_recovery(struct wil6210_priv *wil);
Vladimir Kondratievc33407a2014-10-01 15:05:24 +0300529void wil_set_recovery_state(struct wil6210_priv *wil, int state);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800530void wil_link_on(struct wil6210_priv *wil);
531void wil_link_off(struct wil6210_priv *wil);
532int wil_up(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300533int __wil_up(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800534int wil_down(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300535int __wil_down(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800536void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r);
Vladimir Kondratiev3df2cd362014-02-27 16:20:43 +0200537int wil_find_cid(struct wil6210_priv *wil, const u8 *mac);
Vladimir Kondratievb6b1b0e2014-09-22 15:31:41 +0300538void wil_set_ethtoolops(struct net_device *ndev);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800539
540void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr);
541void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr);
542int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
543 struct wil6210_mbox_hdr *hdr);
544int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len);
545void wmi_recv_cmd(struct wil6210_priv *wil);
546int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
547 u16 reply_id, void *reply, u8 reply_size, int to_msec);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800548void wmi_event_worker(struct work_struct *work);
549void wmi_event_flush(struct wil6210_priv *wil);
550int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid);
551int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid);
552int wmi_set_channel(struct wil6210_priv *wil, int channel);
553int wmi_get_channel(struct wil6210_priv *wil, int *channel);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800554int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
555 const void *mac_addr);
556int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
557 const void *mac_addr, int key_len, const void *key);
558int wmi_echo(struct wil6210_priv *wil);
559int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie);
Vladimir Kondratiev47e19af2013-01-28 18:30:59 +0200560int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200561int wmi_p2p_cfg(struct wil6210_priv *wil, int channel);
Vladimir Kondratiev1647f122014-02-27 16:20:40 +0200562int wmi_rxon(struct wil6210_priv *wil, bool on);
Vladimir Kondratiev1a2780e2013-03-13 14:12:51 +0200563int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r);
Vladimir Kondratiev4d55a0a2014-02-27 16:20:54 +0200564int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800565
Vladimir Kondratievf4b5a802014-03-17 15:34:13 +0200566void wil6210_clear_irq(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800567int wil6210_init_irq(struct wil6210_priv *wil, int irq);
568void wil6210_fini_irq(struct wil6210_priv *wil, int irq);
Vladimir Kondratieve4dbb092014-09-10 16:34:49 +0300569void wil_mask_irq(struct wil6210_priv *wil);
570void wil_unmask_irq(struct wil6210_priv *wil);
Vladimir Kondratiev73d839a2014-09-10 16:34:50 +0300571void wil_disable_irq(struct wil6210_priv *wil);
572void wil_enable_irq(struct wil6210_priv *wil);
Vladimir Kondratiev0b39aaf2014-06-16 19:36:59 +0300573int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
574 struct cfg80211_mgmt_tx_params *params,
575 u64 *cookie);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800576
577int wil6210_debugfs_init(struct wil6210_priv *wil);
578void wil6210_debugfs_remove(struct wil6210_priv *wil);
Vladimir Kondratiev9eb82d42014-06-16 19:37:13 +0300579int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
580 struct station_info *sinfo);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800581
582struct wireless_dev *wil_cfg80211_init(struct device *dev);
583void wil_wdev_free(struct wil6210_priv *wil);
584
585int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
Vladimir Kondratievb8023172013-03-13 14:12:50 +0200586int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan);
587int wmi_pcp_stop(struct wil6210_priv *wil);
Vladimir Kondratievb516fcc2014-10-28 16:50:08 +0200588void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
589 bool from_event);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800590
591int wil_rx_init(struct wil6210_priv *wil);
592void wil_rx_fini(struct wil6210_priv *wil);
593
594/* TX API */
595int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
596 int cid, int tid);
597void wil_vring_fini_tx(struct wil6210_priv *wil, int id);
598
599netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev);
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300600int wil_tx_complete(struct wil6210_priv *wil, int ringid);
601void wil6210_unmask_irq_tx(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800602
603/* RX API */
Vladimir Kondratieve0287c42013-05-12 14:43:36 +0300604void wil_rx_handle(struct wil6210_priv *wil, int *quota);
605void wil6210_unmask_irq_rx(struct wil6210_priv *wil);
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800606
607int wil_iftype_nl2wmi(enum nl80211_iftype type);
608
Vladimir Kondratievdba4b742014-10-01 15:05:25 +0300609int wil_ioctl(struct wil6210_priv *wil, void __user *data, int cmd);
Vladimir Kondratiev151a9702014-09-10 16:34:30 +0300610int wil_request_firmware(struct wil6210_priv *wil, const char *name);
Vladimir Kondratievdba4b742014-10-01 15:05:25 +0300611
Vladimir Kondratiev2be7d222012-12-20 13:13:19 -0800612#endif /* __WIL6210_H__ */