2 * Copyright (c) 2012 Qualcomm Atheros, Inc.
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.
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.
20 #include <linux/netdevice.h>
21 #include <linux/wireless.h>
22 #include <net/cfg80211.h>
24 #define WIL_NAME "wil6210"
27 * extract bits [@b0:@b1] (inclusive) from the value @x
28 * it should be @b0 <= @b1, or result is incorrect
30 static inline u32 WIL_GET_BITS(u32 x, int b0, int b1)
32 return (x >> b0) & ((1 << (b1 - b0 + 1)) - 1);
35 #define WIL6210_MEM_SIZE (2*1024*1024UL)
37 #define WIL6210_RX_RING_SIZE (128)
38 #define WIL6210_TX_RING_SIZE (128)
39 #define WIL6210_MAX_TX_RINGS (24)
41 /* Hardware definitions begin */
45 * RGF File | Host addr | FW addr
47 * user_rgf | 0x000000 | 0x880000
48 * dma_rgf | 0x001000 | 0x881000
49 * pcie_rgf | 0x002000 | 0x882000
53 /* Where various structures placed in host address space */
54 #define WIL6210_FW_HOST_OFF (0x880000UL)
56 #define HOSTADDR(fwaddr) (fwaddr - WIL6210_FW_HOST_OFF)
59 * Interrupt control registers block
61 * each interrupt controlled by the same bit in all registers
64 u32 ICC; /* Cause Control, RW: 0 - W1C, 1 - COR */
65 u32 ICR; /* Cause, W1C/COR depending on ICC */
66 u32 ICM; /* Cause masked (ICR & ~IMV), W1C/COR depending on ICC */
67 u32 ICS; /* Cause Set, WO */
68 u32 IMV; /* Mask, RW+S/C */
69 u32 IMS; /* Mask Set, write 1 to set */
70 u32 IMC; /* Mask Clear, write 1 to clear */
73 /* registers - FW addresses */
74 #define RGF_USER_USER_SCRATCH_PAD (0x8802bc)
75 #define RGF_USER_USER_ICR (0x880b4c) /* struct RGF_ICR */
76 #define BIT_USER_USER_ICR_SW_INT_2 BIT(18)
77 #define RGF_USER_CLKS_CTL_SW_RST_MASK_0 (0x880b14)
78 #define RGF_USER_MAC_CPU_0 (0x8801fc)
79 #define RGF_USER_USER_CPU_0 (0x8801e0)
80 #define RGF_USER_CLKS_CTL_SW_RST_VEC_0 (0x880b04)
81 #define RGF_USER_CLKS_CTL_SW_RST_VEC_1 (0x880b08)
82 #define RGF_USER_CLKS_CTL_SW_RST_VEC_2 (0x880b0c)
83 #define RGF_USER_CLKS_CTL_SW_RST_VEC_3 (0x880b10)
85 #define RGF_DMA_PSEUDO_CAUSE (0x881c68)
86 #define RGF_DMA_PSEUDO_CAUSE_MASK_SW (0x881c6c)
87 #define RGF_DMA_PSEUDO_CAUSE_MASK_FW (0x881c70)
88 #define BIT_DMA_PSEUDO_CAUSE_RX BIT(0)
89 #define BIT_DMA_PSEUDO_CAUSE_TX BIT(1)
90 #define BIT_DMA_PSEUDO_CAUSE_MISC BIT(2)
92 #define RGF_DMA_EP_TX_ICR (0x881bb4) /* struct RGF_ICR */
93 #define BIT_DMA_EP_TX_ICR_TX_DONE BIT(0)
94 #define BIT_DMA_EP_TX_ICR_TX_DONE_N(n) BIT(n+1) /* n = [0..23] */
95 #define RGF_DMA_EP_RX_ICR (0x881bd0) /* struct RGF_ICR */
96 #define BIT_DMA_EP_RX_ICR_RX_DONE BIT(0)
97 #define RGF_DMA_EP_MISC_ICR (0x881bec) /* struct RGF_ICR */
98 #define BIT_DMA_EP_MISC_ICR_RX_HTRSH BIT(0)
99 #define BIT_DMA_EP_MISC_ICR_TX_NO_ACT BIT(1)
100 #define BIT_DMA_EP_MISC_ICR_FW_INT(n) BIT(28+n) /* n = [0..3] */
102 /* Interrupt moderation control */
103 #define RGF_DMA_ITR_CNT_TRSH (0x881c5c)
104 #define RGF_DMA_ITR_CNT_DATA (0x881c60)
105 #define RGF_DMA_ITR_CNT_CRL (0x881C64)
106 #define BIT_DMA_ITR_CNT_CRL_EN BIT(0)
107 #define BIT_DMA_ITR_CNT_CRL_EXT_TICK BIT(1)
108 #define BIT_DMA_ITR_CNT_CRL_FOREVER BIT(2)
109 #define BIT_DMA_ITR_CNT_CRL_CLR BIT(3)
110 #define BIT_DMA_ITR_CNT_CRL_REACH_TRSH BIT(4)
112 /* popular locations */
113 #define HOST_MBOX HOSTADDR(RGF_USER_USER_SCRATCH_PAD)
114 #define HOST_SW_INT (HOSTADDR(RGF_USER_USER_ICR) + \
115 offsetof(struct RGF_ICR, ICS))
116 #define SW_INT_MBOX BIT_USER_USER_ICR_SW_INT_2
118 /* ISR register bits */
119 #define ISR_MISC_FW_READY BIT_DMA_EP_MISC_ICR_FW_INT(0)
120 #define ISR_MISC_MBOX_EVT BIT_DMA_EP_MISC_ICR_FW_INT(1)
121 #define ISR_MISC_FW_ERROR BIT_DMA_EP_MISC_ICR_FW_INT(3)
123 /* Hardware definitions end */
125 struct wil6210_mbox_ring {
127 u16 entry_size; /* max. size of mbox entry, incl. all headers */
133 struct wil6210_mbox_ring_desc {
138 /* at HOST_OFF_WIL6210_MBOX_CTL */
139 struct wil6210_mbox_ctl {
140 struct wil6210_mbox_ring tx;
141 struct wil6210_mbox_ring rx;
144 struct wil6210_mbox_hdr {
146 __le16 len; /* payload, bytes after this header */
152 #define WIL_MBOX_HDR_TYPE_WMI (0)
154 /* max. value for wil6210_mbox_hdr.len */
155 #define MAX_MBOXITEM_SIZE (240)
157 struct wil6210_mbox_hdr_wmi {
160 __le16 info1; /* bits [0..3] - device_id, rest - unused */
164 struct pending_wmi_event {
165 struct list_head list;
167 struct wil6210_mbox_hdr hdr;
168 struct wil6210_mbox_hdr_wmi wmi;
177 volatile union vring_desc *va; /* vring_desc[size], WriteBack by DMA */
178 u16 size; /* number of vring_desc elements */
181 u32 hwtail; /* write here to inform hw */
182 void **ctx; /* void *ctx[size] - software context */
185 enum { /* for wil6210_priv.status */
186 wil_status_fwready = 0,
187 wil_status_fwconnected,
189 wil_status_irqen, /* FIXME: interrupts enabled - for debug */
194 struct wil6210_stats {
198 u16 bf_mcs; /* last BF, used for Tx */
205 struct wil6210_priv {
206 struct pci_dev *pdev;
208 struct wireless_dev *wdev;
213 u32 secure_pcp; /* create secure PCP? */
215 /* cached ISR registers */
217 /* mailbox related */
218 struct mutex wmi_mutex;
219 struct wil6210_mbox_ctl mbox_ctl;
220 struct completion wmi_ready;
222 u16 reply_id; /**< wait for this WMI event */
225 struct workqueue_struct *wmi_wq; /* for deferred calls */
226 struct work_struct wmi_event_worker;
227 struct workqueue_struct *wmi_wq_conn; /* for connect worker */
228 struct work_struct connect_worker;
229 struct work_struct disconnect_worker;
230 struct timer_list connect_timer;
231 int pending_connect_cid;
232 struct list_head pending_wmi_ev;
234 * protect pending_wmi_ev
235 * - fill in IRQ from wil6210_irq_misc,
236 * - consumed in thread by wmi_event_worker
238 spinlock_t wmi_ev_lock;
240 struct vring vring_rx;
241 struct vring vring_tx[WIL6210_MAX_TX_RINGS];
242 u8 dst_addr[WIL6210_MAX_TX_RINGS][ETH_ALEN];
244 struct cfg80211_scan_request *scan_request;
246 struct mutex mutex; /* for wil6210_priv access in wil_{up|down} */
248 struct wil6210_stats stats;
250 struct dentry *debug;
251 struct debugfs_blob_wrapper fw_code_blob;
252 struct debugfs_blob_wrapper fw_data_blob;
253 struct debugfs_blob_wrapper fw_peri_blob;
254 struct debugfs_blob_wrapper uc_code_blob;
255 struct debugfs_blob_wrapper uc_data_blob;
256 struct debugfs_blob_wrapper rgf_blob;
259 #define wil_to_wiphy(i) (i->wdev->wiphy)
260 #define wil_to_dev(i) (wiphy_dev(wil_to_wiphy(i)))
261 #define wiphy_to_wil(w) (struct wil6210_priv *)(wiphy_priv(w))
262 #define wil_to_wdev(i) (i->wdev)
263 #define wdev_to_wil(w) (struct wil6210_priv *)(wdev_priv(w))
264 #define wil_to_ndev(i) (wil_to_wdev(i)->netdev)
265 #define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr))
267 #define wil_dbg(wil, fmt, arg...) netdev_dbg(wil_to_ndev(wil), fmt, ##arg)
268 #define wil_info(wil, fmt, arg...) netdev_info(wil_to_ndev(wil), fmt, ##arg)
269 #define wil_err(wil, fmt, arg...) netdev_err(wil_to_ndev(wil), fmt, ##arg)
271 #define wil_dbg_irq(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg)
272 #define wil_dbg_txrx(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg)
273 #define wil_dbg_wmi(wil, fmt, arg...) wil_dbg(wil, "DBG[ WMI]" fmt, ##arg)
274 #define wil_dbg_misc(wil, fmt, arg...) wil_dbg(wil, "DBG[MISC]" fmt, ##arg)
276 #define wil_hex_dump_txrx(prefix_str, prefix_type, rowsize, \
277 groupsize, buf, len, ascii) \
278 print_hex_dump_debug("DBG[TXRX]" prefix_str,\
279 prefix_type, rowsize, \
280 groupsize, buf, len, ascii)
282 #define wil_hex_dump_wmi(prefix_str, prefix_type, rowsize, \
283 groupsize, buf, len, ascii) \
284 print_hex_dump_debug("DBG[ WMI]" prefix_str,\
285 prefix_type, rowsize, \
286 groupsize, buf, len, ascii)
288 void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
290 void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
293 void *wil_if_alloc(struct device *dev, void __iomem *csr);
294 void wil_if_free(struct wil6210_priv *wil);
295 int wil_if_add(struct wil6210_priv *wil);
296 void wil_if_remove(struct wil6210_priv *wil);
297 int wil_priv_init(struct wil6210_priv *wil);
298 void wil_priv_deinit(struct wil6210_priv *wil);
299 int wil_reset(struct wil6210_priv *wil);
300 void wil_link_on(struct wil6210_priv *wil);
301 void wil_link_off(struct wil6210_priv *wil);
302 int wil_up(struct wil6210_priv *wil);
303 int wil_down(struct wil6210_priv *wil);
304 void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r);
306 void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr);
307 void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr);
308 int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
309 struct wil6210_mbox_hdr *hdr);
310 int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len);
311 void wmi_recv_cmd(struct wil6210_priv *wil);
312 int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
313 u16 reply_id, void *reply, u8 reply_size, int to_msec);
314 void wmi_event_worker(struct work_struct *work);
315 void wmi_event_flush(struct wil6210_priv *wil);
316 int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid);
317 int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid);
318 int wmi_set_channel(struct wil6210_priv *wil, int channel);
319 int wmi_get_channel(struct wil6210_priv *wil, int *channel);
320 int wmi_tx_eapol(struct wil6210_priv *wil, struct sk_buff *skb);
321 int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
322 const void *mac_addr);
323 int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
324 const void *mac_addr, int key_len, const void *key);
325 int wmi_echo(struct wil6210_priv *wil);
326 int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie);
327 int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);
329 int wil6210_init_irq(struct wil6210_priv *wil, int irq);
330 void wil6210_fini_irq(struct wil6210_priv *wil, int irq);
331 void wil6210_disable_irq(struct wil6210_priv *wil);
332 void wil6210_enable_irq(struct wil6210_priv *wil);
334 int wil6210_debugfs_init(struct wil6210_priv *wil);
335 void wil6210_debugfs_remove(struct wil6210_priv *wil);
337 struct wireless_dev *wil_cfg80211_init(struct device *dev);
338 void wil_wdev_free(struct wil6210_priv *wil);
340 int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
341 int wmi_set_bcon(struct wil6210_priv *wil, int bi, u8 wmi_nettype);
342 void wil6210_disconnect(struct wil6210_priv *wil, void *bssid);
344 int wil_rx_init(struct wil6210_priv *wil);
345 void wil_rx_fini(struct wil6210_priv *wil);
348 int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
350 void wil_vring_fini_tx(struct wil6210_priv *wil, int id);
352 netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev);
353 void wil_tx_complete(struct wil6210_priv *wil, int ringid);
356 void wil_rx_handle(struct wil6210_priv *wil);
358 int wil_iftype_nl2wmi(enum nl80211_iftype type);
360 #endif /* __WIL6210_H__ */