diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/bus.h')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/bus.h | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bus.h b/drivers/net/wireless/brcm80211/brcmfmac/bus.h deleted file mode 100644 index 230cad788ace..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/bus.h +++ /dev/null @@ -1,248 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * 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 BRCMFMAC_BUS_H -#define BRCMFMAC_BUS_H - -#include "debug.h" - -/* IDs of the 6 default common rings of msgbuf protocol */ -#define BRCMF_H2D_MSGRING_CONTROL_SUBMIT 0 -#define BRCMF_H2D_MSGRING_RXPOST_SUBMIT 1 -#define BRCMF_D2H_MSGRING_CONTROL_COMPLETE 2 -#define BRCMF_D2H_MSGRING_TX_COMPLETE 3 -#define BRCMF_D2H_MSGRING_RX_COMPLETE 4 - -#define BRCMF_NROF_H2D_COMMON_MSGRINGS 2 -#define BRCMF_NROF_D2H_COMMON_MSGRINGS 3 -#define BRCMF_NROF_COMMON_MSGRINGS (BRCMF_NROF_H2D_COMMON_MSGRINGS + \ - BRCMF_NROF_D2H_COMMON_MSGRINGS) - -/* The level of bus communication with the dongle */ -enum brcmf_bus_state { - BRCMF_BUS_DOWN, /* Not ready for frame transfers */ - BRCMF_BUS_UP /* Ready for frame transfers */ -}; - -/* The level of bus communication with the dongle */ -enum brcmf_bus_protocol_type { - BRCMF_PROTO_BCDC, - BRCMF_PROTO_MSGBUF -}; - -struct brcmf_bus_dcmd { - char *name; - char *param; - int param_len; - struct list_head list; -}; - -/** - * struct brcmf_bus_ops - bus callback operations. - * - * @preinit: execute bus/device specific dongle init commands (optional). - * @init: prepare for communication with dongle. - * @stop: clear pending frames, disable data flow. - * @txdata: send a data frame to the dongle. When the data - * has been transferred, the common driver must be - * notified using brcmf_txcomplete(). The common - * driver calls this function with interrupts - * disabled. - * @txctl: transmit a control request message to dongle. - * @rxctl: receive a control response message from dongle. - * @gettxq: obtain a reference of bus transmit queue (optional). - * @wowl_config: specify if dongle is configured for wowl when going to suspend - * @get_ramsize: obtain size of device memory. - * @get_memdump: obtain device memory dump in provided buffer. - * - * This structure provides an abstract interface towards the - * bus specific driver. For control messages to common driver - * will assure there is only one active transaction. Unless - * indicated otherwise these callbacks are mandatory. - */ -struct brcmf_bus_ops { - int (*preinit)(struct device *dev); - void (*stop)(struct device *dev); - int (*txdata)(struct device *dev, struct sk_buff *skb); - int (*txctl)(struct device *dev, unsigned char *msg, uint len); - int (*rxctl)(struct device *dev, unsigned char *msg, uint len); - struct pktq * (*gettxq)(struct device *dev); - void (*wowl_config)(struct device *dev, bool enabled); - size_t (*get_ramsize)(struct device *dev); - int (*get_memdump)(struct device *dev, void *data, size_t len); -}; - - -/** - * struct brcmf_bus_msgbuf - bus ringbuf if in case of msgbuf. - * - * @commonrings: commonrings which are always there. - * @flowrings: commonrings which are dynamically created and destroyed for data. - * @rx_dataoffset: if set then all rx data has this this offset. - * @max_rxbufpost: maximum number of buffers to post for rx. - * @nrof_flowrings: number of flowrings. - */ -struct brcmf_bus_msgbuf { - struct brcmf_commonring *commonrings[BRCMF_NROF_COMMON_MSGRINGS]; - struct brcmf_commonring **flowrings; - u32 rx_dataoffset; - u32 max_rxbufpost; - u32 nrof_flowrings; -}; - - -/** - * struct brcmf_bus - interface structure between common and bus layer - * - * @bus_priv: pointer to private bus device. - * @proto_type: protocol type, bcdc or msgbuf - * @dev: device pointer of bus device. - * @drvr: public driver information. - * @state: operational state of the bus interface. - * @maxctl: maximum size for rxctl request message. - * @tx_realloc: number of tx packets realloced for headroom. - * @dstats: dongle-based statistical data. - * @dcmd_list: bus/device specific dongle initialization commands. - * @chip: device identifier of the dongle chip. - * @wowl_supported: is wowl supported by bus driver. - * @chiprev: revision of the dongle chip. - */ -struct brcmf_bus { - union { - struct brcmf_sdio_dev *sdio; - struct brcmf_usbdev *usb; - struct brcmf_pciedev *pcie; - } bus_priv; - enum brcmf_bus_protocol_type proto_type; - struct device *dev; - struct brcmf_pub *drvr; - enum brcmf_bus_state state; - uint maxctl; - unsigned long tx_realloc; - u32 chip; - u32 chiprev; - bool always_use_fws_queue; - bool wowl_supported; - - struct brcmf_bus_ops *ops; - struct brcmf_bus_msgbuf *msgbuf; -}; - -/* - * callback wrappers - */ -static inline int brcmf_bus_preinit(struct brcmf_bus *bus) -{ - if (!bus->ops->preinit) - return 0; - return bus->ops->preinit(bus->dev); -} - -static inline void brcmf_bus_stop(struct brcmf_bus *bus) -{ - bus->ops->stop(bus->dev); -} - -static inline int brcmf_bus_txdata(struct brcmf_bus *bus, struct sk_buff *skb) -{ - return bus->ops->txdata(bus->dev, skb); -} - -static inline -int brcmf_bus_txctl(struct brcmf_bus *bus, unsigned char *msg, uint len) -{ - return bus->ops->txctl(bus->dev, msg, len); -} - -static inline -int brcmf_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint len) -{ - return bus->ops->rxctl(bus->dev, msg, len); -} - -static inline -struct pktq *brcmf_bus_gettxq(struct brcmf_bus *bus) -{ - if (!bus->ops->gettxq) - return ERR_PTR(-ENOENT); - - return bus->ops->gettxq(bus->dev); -} - -static inline -void brcmf_bus_wowl_config(struct brcmf_bus *bus, bool enabled) -{ - if (bus->ops->wowl_config) - bus->ops->wowl_config(bus->dev, enabled); -} - -static inline size_t brcmf_bus_get_ramsize(struct brcmf_bus *bus) -{ - if (!bus->ops->get_ramsize) - return 0; - - return bus->ops->get_ramsize(bus->dev); -} - -static inline -int brcmf_bus_get_memdump(struct brcmf_bus *bus, void *data, size_t len) -{ - if (!bus->ops->get_memdump) - return -EOPNOTSUPP; - - return bus->ops->get_memdump(bus->dev, data, len); -} - -/* - * interface functions from common layer - */ - -bool brcmf_c_prec_enq(struct device *dev, struct pktq *q, struct sk_buff *pkt, - int prec); - -/* Receive frame for delivery to OS. Callee disposes of rxp. */ -void brcmf_rx_frame(struct device *dev, struct sk_buff *rxp); - -/* Indication from bus module regarding presence/insertion of dongle. */ -int brcmf_attach(struct device *dev); -/* Indication from bus module regarding removal/absence of dongle */ -void brcmf_detach(struct device *dev); -/* Indication from bus module that dongle should be reset */ -void brcmf_dev_reset(struct device *dev); -/* Indication from bus module to change flow-control state */ -void brcmf_txflowblock(struct device *dev, bool state); - -/* Notify the bus has transferred the tx packet to firmware */ -void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success); - -/* Configure the "global" bus state used by upper layers */ -void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state); - -int brcmf_bus_start(struct device *dev); -s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len); -void brcmf_bus_add_txhdrlen(struct device *dev, uint len); - -#ifdef CONFIG_BRCMFMAC_SDIO -void brcmf_sdio_exit(void); -void brcmf_sdio_init(void); -void brcmf_sdio_register(void); -#endif -#ifdef CONFIG_BRCMFMAC_USB -void brcmf_usb_exit(void); -void brcmf_usb_register(void); -#endif - -#endif /* BRCMFMAC_BUS_H */ |