| /* |
| * Copyright (c) 2012 Qualcomm Atheros, Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #ifndef __WIL6210_H__ |
| #define __WIL6210_H__ |
| |
| #include <linux/netdevice.h> |
| #include <linux/wireless.h> |
| #include <net/cfg80211.h> |
| |
| #define WIL_NAME "wil6210" |
| |
| /** |
| * extract bits [@b0:@b1] (inclusive) from the value @x |
| * it should be @b0 <= @b1, or result is incorrect |
| */ |
| static inline u32 WIL_GET_BITS(u32 x, int b0, int b1) |
| { |
| return (x >> b0) & ((1 << (b1 - b0 + 1)) - 1); |
| } |
| |
| #define WIL6210_MEM_SIZE (2*1024*1024UL) |
| |
| #define WIL6210_RX_RING_SIZE (128) |
| #define WIL6210_TX_RING_SIZE (128) |
| #define WIL6210_MAX_TX_RINGS (24) |
| |
| /* Hardware definitions begin */ |
| |
| /* |
| * Mapping |
| * RGF File | Host addr | FW addr |
| * | | |
| * user_rgf | 0x000000 | 0x880000 |
| * dma_rgf | 0x001000 | 0x881000 |
| * pcie_rgf | 0x002000 | 0x882000 |
| * | | |
| */ |
| |
| /* Where various structures placed in host address space */ |
| #define WIL6210_FW_HOST_OFF (0x880000UL) |
| |
| #define HOSTADDR(fwaddr) (fwaddr - WIL6210_FW_HOST_OFF) |
| |
| /* |
| * Interrupt control registers block |
| * |
| * each interrupt controlled by the same bit in all registers |
| */ |
| struct RGF_ICR { |
| u32 ICC; /* Cause Control, RW: 0 - W1C, 1 - COR */ |
| u32 ICR; /* Cause, W1C/COR depending on ICC */ |
| u32 ICM; /* Cause masked (ICR & ~IMV), W1C/COR depending on ICC */ |
| u32 ICS; /* Cause Set, WO */ |
| u32 IMV; /* Mask, RW+S/C */ |
| u32 IMS; /* Mask Set, write 1 to set */ |
| u32 IMC; /* Mask Clear, write 1 to clear */ |
| } __packed; |
| |
| /* registers - FW addresses */ |
| #define RGF_USER_USER_SCRATCH_PAD (0x8802bc) |
| #define RGF_USER_USER_ICR (0x880b4c) /* struct RGF_ICR */ |
| #define BIT_USER_USER_ICR_SW_INT_2 BIT(18) |
| #define RGF_USER_CLKS_CTL_SW_RST_MASK_0 (0x880b14) |
| #define RGF_USER_MAC_CPU_0 (0x8801fc) |
| #define RGF_USER_USER_CPU_0 (0x8801e0) |
| #define RGF_USER_CLKS_CTL_SW_RST_VEC_0 (0x880b04) |
| #define RGF_USER_CLKS_CTL_SW_RST_VEC_1 (0x880b08) |
| #define RGF_USER_CLKS_CTL_SW_RST_VEC_2 (0x880b0c) |
| #define RGF_USER_CLKS_CTL_SW_RST_VEC_3 (0x880b10) |
| |
| #define RGF_DMA_PSEUDO_CAUSE (0x881c68) |
| #define RGF_DMA_PSEUDO_CAUSE_MASK_SW (0x881c6c) |
| #define RGF_DMA_PSEUDO_CAUSE_MASK_FW (0x881c70) |
| #define BIT_DMA_PSEUDO_CAUSE_RX BIT(0) |
| #define BIT_DMA_PSEUDO_CAUSE_TX BIT(1) |
| #define BIT_DMA_PSEUDO_CAUSE_MISC BIT(2) |
| |
| #define RGF_DMA_EP_TX_ICR (0x881bb4) /* struct RGF_ICR */ |
| #define BIT_DMA_EP_TX_ICR_TX_DONE BIT(0) |
| #define BIT_DMA_EP_TX_ICR_TX_DONE_N(n) BIT(n+1) /* n = [0..23] */ |
| #define RGF_DMA_EP_RX_ICR (0x881bd0) /* struct RGF_ICR */ |
| #define BIT_DMA_EP_RX_ICR_RX_DONE BIT(0) |
| #define RGF_DMA_EP_MISC_ICR (0x881bec) /* struct RGF_ICR */ |
| #define BIT_DMA_EP_MISC_ICR_RX_HTRSH BIT(0) |
| #define BIT_DMA_EP_MISC_ICR_TX_NO_ACT BIT(1) |
| #define BIT_DMA_EP_MISC_ICR_FW_INT(n) BIT(28+n) /* n = [0..3] */ |
| |
| /* Interrupt moderation control */ |
| #define RGF_DMA_ITR_CNT_TRSH (0x881c5c) |
| #define RGF_DMA_ITR_CNT_DATA (0x881c60) |
| #define RGF_DMA_ITR_CNT_CRL (0x881C64) |
| #define BIT_DMA_ITR_CNT_CRL_EN BIT(0) |
| #define BIT_DMA_ITR_CNT_CRL_EXT_TICK BIT(1) |
| #define BIT_DMA_ITR_CNT_CRL_FOREVER BIT(2) |
| #define BIT_DMA_ITR_CNT_CRL_CLR BIT(3) |
| #define BIT_DMA_ITR_CNT_CRL_REACH_TRSH BIT(4) |
| |
| /* popular locations */ |
| #define HOST_MBOX HOSTADDR(RGF_USER_USER_SCRATCH_PAD) |
| #define HOST_SW_INT (HOSTADDR(RGF_USER_USER_ICR) + \ |
| offsetof(struct RGF_ICR, ICS)) |
| #define SW_INT_MBOX BIT_USER_USER_ICR_SW_INT_2 |
| |
| /* ISR register bits */ |
| #define ISR_MISC_FW_READY BIT_DMA_EP_MISC_ICR_FW_INT(0) |
| #define ISR_MISC_MBOX_EVT BIT_DMA_EP_MISC_ICR_FW_INT(1) |
| #define ISR_MISC_FW_ERROR BIT_DMA_EP_MISC_ICR_FW_INT(3) |
| |
| /* Hardware definitions end */ |
| |
| struct wil6210_mbox_ring { |
| u32 base; |
| u16 entry_size; /* max. size of mbox entry, incl. all headers */ |
| u16 size; |
| u32 tail; |
| u32 head; |
| } __packed; |
| |
| struct wil6210_mbox_ring_desc { |
| __le32 sync; |
| __le32 addr; |
| } __packed; |
| |
| /* at HOST_OFF_WIL6210_MBOX_CTL */ |
| struct wil6210_mbox_ctl { |
| struct wil6210_mbox_ring tx; |
| struct wil6210_mbox_ring rx; |
| } __packed; |
| |
| struct wil6210_mbox_hdr { |
| __le16 seq; |
| __le16 len; /* payload, bytes after this header */ |
| __le16 type; |
| u8 flags; |
| u8 reserved; |
| } __packed; |
| |
| #define WIL_MBOX_HDR_TYPE_WMI (0) |
| |
| /* max. value for wil6210_mbox_hdr.len */ |
| #define MAX_MBOXITEM_SIZE (240) |
| |
| struct wil6210_mbox_hdr_wmi { |
| u8 reserved0[2]; |
| __le16 id; |
| __le16 info1; /* bits [0..3] - device_id, rest - unused */ |
| u8 reserved1[2]; |
| } __packed; |
| |
| struct pending_wmi_event { |
| struct list_head list; |
| struct { |
| struct wil6210_mbox_hdr hdr; |
| struct wil6210_mbox_hdr_wmi wmi; |
| u8 data[0]; |
| } __packed event; |
| }; |
| |
| union vring_desc; |
| |
| struct vring { |
| dma_addr_t pa; |
| volatile union vring_desc *va; /* vring_desc[size], WriteBack by DMA */ |
| u16 size; /* number of vring_desc elements */ |
| u32 swtail; |
| u32 swhead; |
| u32 hwtail; /* write here to inform hw */ |
| void **ctx; /* void *ctx[size] - software context */ |
| }; |
| |
| enum { /* for wil6210_priv.status */ |
| wil_status_fwready = 0, |
| wil_status_fwconnected, |
| wil_status_dontscan, |
| wil_status_reset_done, |
| wil_status_irqen, /* FIXME: interrupts enabled - for debug */ |
| }; |
| |
| struct pci_dev; |
| |
| struct wil6210_stats { |
| u64 tsf; |
| u32 snr; |
| u16 last_mcs_rx; |
| u16 bf_mcs; /* last BF, used for Tx */ |
| u16 my_rx_sector; |
| u16 my_tx_sector; |
| u16 peer_rx_sector; |
| u16 peer_tx_sector; |
| }; |
| |
| struct wil6210_priv { |
| struct pci_dev *pdev; |
| int n_msi; |
| struct wireless_dev *wdev; |
| void __iomem *csr; |
| ulong status; |
| u32 fw_version; |
| u8 n_mids; /* number of additional MIDs as reported by FW */ |
| /* profile */ |
| u32 monitor_flags; |
| u32 secure_pcp; /* create secure PCP? */ |
| int sinfo_gen; |
| /* cached ISR registers */ |
| u32 isr_misc; |
| /* mailbox related */ |
| struct mutex wmi_mutex; |
| struct wil6210_mbox_ctl mbox_ctl; |
| struct completion wmi_ready; |
| u16 wmi_seq; |
| u16 reply_id; /**< wait for this WMI event */ |
| void *reply_buf; |
| u16 reply_size; |
| struct workqueue_struct *wmi_wq; /* for deferred calls */ |
| struct work_struct wmi_event_worker; |
| struct workqueue_struct *wmi_wq_conn; /* for connect worker */ |
| struct work_struct connect_worker; |
| struct work_struct disconnect_worker; |
| struct timer_list connect_timer; |
| int pending_connect_cid; |
| struct list_head pending_wmi_ev; |
| /* |
| * protect pending_wmi_ev |
| * - fill in IRQ from wil6210_irq_misc, |
| * - consumed in thread by wmi_event_worker |
| */ |
| spinlock_t wmi_ev_lock; |
| /* DMA related */ |
| struct vring vring_rx; |
| struct vring vring_tx[WIL6210_MAX_TX_RINGS]; |
| u8 dst_addr[WIL6210_MAX_TX_RINGS][ETH_ALEN]; |
| /* scan */ |
| struct cfg80211_scan_request *scan_request; |
| |
| struct mutex mutex; /* for wil6210_priv access in wil_{up|down} */ |
| /* statistics */ |
| struct wil6210_stats stats; |
| /* debugfs */ |
| struct dentry *debug; |
| struct debugfs_blob_wrapper fw_code_blob; |
| struct debugfs_blob_wrapper fw_data_blob; |
| struct debugfs_blob_wrapper fw_peri_blob; |
| struct debugfs_blob_wrapper uc_code_blob; |
| struct debugfs_blob_wrapper uc_data_blob; |
| struct debugfs_blob_wrapper rgf_blob; |
| }; |
| |
| #define wil_to_wiphy(i) (i->wdev->wiphy) |
| #define wil_to_dev(i) (wiphy_dev(wil_to_wiphy(i))) |
| #define wiphy_to_wil(w) (struct wil6210_priv *)(wiphy_priv(w)) |
| #define wil_to_wdev(i) (i->wdev) |
| #define wdev_to_wil(w) (struct wil6210_priv *)(wdev_priv(w)) |
| #define wil_to_ndev(i) (wil_to_wdev(i)->netdev) |
| #define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr)) |
| |
| #define wil_dbg(wil, fmt, arg...) netdev_dbg(wil_to_ndev(wil), fmt, ##arg) |
| #define wil_info(wil, fmt, arg...) netdev_info(wil_to_ndev(wil), fmt, ##arg) |
| #define wil_err(wil, fmt, arg...) netdev_err(wil_to_ndev(wil), fmt, ##arg) |
| |
| #define wil_dbg_irq(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg) |
| #define wil_dbg_txrx(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg) |
| #define wil_dbg_wmi(wil, fmt, arg...) wil_dbg(wil, "DBG[ WMI]" fmt, ##arg) |
| #define wil_dbg_misc(wil, fmt, arg...) wil_dbg(wil, "DBG[MISC]" fmt, ##arg) |
| |
| #define wil_hex_dump_txrx(prefix_str, prefix_type, rowsize, \ |
| groupsize, buf, len, ascii) \ |
| print_hex_dump_debug("DBG[TXRX]" prefix_str,\ |
| prefix_type, rowsize, \ |
| groupsize, buf, len, ascii) |
| |
| #define wil_hex_dump_wmi(prefix_str, prefix_type, rowsize, \ |
| groupsize, buf, len, ascii) \ |
| print_hex_dump_debug("DBG[ WMI]" prefix_str,\ |
| prefix_type, rowsize, \ |
| groupsize, buf, len, ascii) |
| |
| void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src, |
| size_t count); |
| void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src, |
| size_t count); |
| |
| void *wil_if_alloc(struct device *dev, void __iomem *csr); |
| void wil_if_free(struct wil6210_priv *wil); |
| int wil_if_add(struct wil6210_priv *wil); |
| void wil_if_remove(struct wil6210_priv *wil); |
| int wil_priv_init(struct wil6210_priv *wil); |
| void wil_priv_deinit(struct wil6210_priv *wil); |
| int wil_reset(struct wil6210_priv *wil); |
| void wil_link_on(struct wil6210_priv *wil); |
| void wil_link_off(struct wil6210_priv *wil); |
| int wil_up(struct wil6210_priv *wil); |
| int wil_down(struct wil6210_priv *wil); |
| void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r); |
| |
| void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr); |
| void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr); |
| int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr, |
| struct wil6210_mbox_hdr *hdr); |
| int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len); |
| void wmi_recv_cmd(struct wil6210_priv *wil); |
| int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len, |
| u16 reply_id, void *reply, u8 reply_size, int to_msec); |
| void wmi_event_worker(struct work_struct *work); |
| void wmi_event_flush(struct wil6210_priv *wil); |
| int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid); |
| int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid); |
| int wmi_set_channel(struct wil6210_priv *wil, int channel); |
| int wmi_get_channel(struct wil6210_priv *wil, int *channel); |
| int wmi_tx_eapol(struct wil6210_priv *wil, struct sk_buff *skb); |
| int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index, |
| const void *mac_addr); |
| int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index, |
| const void *mac_addr, int key_len, const void *key); |
| int wmi_echo(struct wil6210_priv *wil); |
| int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie); |
| int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring); |
| int wmi_p2p_cfg(struct wil6210_priv *wil, int channel); |
| int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r); |
| |
| int wil6210_init_irq(struct wil6210_priv *wil, int irq); |
| void wil6210_fini_irq(struct wil6210_priv *wil, int irq); |
| void wil6210_disable_irq(struct wil6210_priv *wil); |
| void wil6210_enable_irq(struct wil6210_priv *wil); |
| |
| int wil6210_debugfs_init(struct wil6210_priv *wil); |
| void wil6210_debugfs_remove(struct wil6210_priv *wil); |
| |
| struct wireless_dev *wil_cfg80211_init(struct device *dev); |
| void wil_wdev_free(struct wil6210_priv *wil); |
| |
| int wmi_set_mac_address(struct wil6210_priv *wil, void *addr); |
| int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan); |
| int wmi_pcp_stop(struct wil6210_priv *wil); |
| void wil6210_disconnect(struct wil6210_priv *wil, void *bssid); |
| |
| int wil_rx_init(struct wil6210_priv *wil); |
| void wil_rx_fini(struct wil6210_priv *wil); |
| |
| /* TX API */ |
| int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size, |
| int cid, int tid); |
| void wil_vring_fini_tx(struct wil6210_priv *wil, int id); |
| |
| netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev); |
| void wil_tx_complete(struct wil6210_priv *wil, int ringid); |
| |
| /* RX API */ |
| void wil_rx_handle(struct wil6210_priv *wil); |
| |
| int wil_iftype_nl2wmi(enum nl80211_iftype type); |
| |
| #endif /* __WIL6210_H__ */ |