From d6a5c562214f26e442c8ec3ff1e28e16675d1bcf Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Tue, 29 Nov 2022 14:54:42 +0100 Subject: wifi: brcmfmac: add support for vendor-specific firmware api The driver is being used by multiple vendors who develop the firmware api independently. So far the firmware api as used by the driver has not diverged (yet). This change adds framework for supporting multiple firmware apis. The vendor-specific support code has to provide a number of callback operations. Right now it is only attach and detach callbacks so no real functionality as the api is still common. This code only adds WCC variant anyway, which is selected for all devices right now. The vendor-specific part will be built in a separate module when the driver is configured to be built as a module through Kconfig, ie. when CONFIG_BRCMFMAC=m. Reviewed-by: Hante Meuleman Reviewed-by: Pieter-Paul Giesberts Reviewed-by: Franky Lin Signed-off-by: Arend van Spriel Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20221129135446.151065-4-arend.vanspriel@broadcom.com --- .../wireless/broadcom/brcm80211/brcmfmac/fwvid.h | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h') diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h new file mode 100644 index 000000000000..6b3aec190023 --- /dev/null +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: ISC */ +/* + * Copyright (c) 2022 Broadcom Corporation + */ +#ifndef FWVID_H_ +#define FWVID_H_ + +#include "firmware.h" + +struct brcmf_pub; + +struct brcmf_fwvid_ops { + int (*attach)(struct brcmf_pub *drvr); + void (*detach)(struct brcmf_pub *drvr); +}; + +/* exported functions */ +int brcmf_fwvid_register_vendor(enum brcmf_fwvendor fwvid, struct module *mod, + const struct brcmf_fwvid_ops *ops); +int brcmf_fwvid_unregister_vendor(enum brcmf_fwvendor fwvid, struct module *mod); + +/* core driver functions */ +int brcmf_fwvid_attach_ops(struct brcmf_pub *drvr); +void brcmf_fwvid_detach_ops(struct brcmf_pub *drvr); + +static inline int brcmf_fwvid_attach(struct brcmf_pub *drvr) +{ + int ret; + + ret = brcmf_fwvid_attach_ops(drvr); + if (ret) + return ret; + + return drvr->vops->attach(drvr); +} + +static inline void brcmf_fwvid_detach(struct brcmf_pub *drvr) +{ + if (!drvr->vops) + return; + + drvr->vops->detach(drvr); + brcmf_fwvid_detach_ops(drvr); +} + +#endif /* FWVID_H_ */ -- cgit v1.2.3