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[60.242.93.14]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-834ed80df96sm3595073b3a.54.2026.04.29.21.56.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Apr 2026 21:56:39 -0700 (PDT) From: Lachlan Hodges To: johannes@sipsolutions.net, Lachlan Hodges , Dan Callaghan , Arien Judge Cc: ayman.grais@morsemicro.com, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH wireless-next v2 01/31] wifi: mm81x: add bus.h Date: Thu, 30 Apr 2026 14:55:27 +1000 Message-ID: <20260430045615.334669-2-lachlan.hodges@morsemicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260430045615.334669-1-lachlan.hodges@morsemicro.com> References: <20260430045615.334669-1-lachlan.hodges@morsemicro.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit (Patches split per file for review, will be a single commit alongside SDIO ids once review is complete. See cover letter for more information) Signed-off-by: Lachlan Hodges --- drivers/net/wireless/morsemicro/mm81x/bus.h | 99 +++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 drivers/net/wireless/morsemicro/mm81x/bus.h diff --git a/drivers/net/wireless/morsemicro/mm81x/bus.h b/drivers/net/wireless/morsemicro/mm81x/bus.h new file mode 100644 index 000000000000..d2ccabc037fb --- /dev/null +++ b/drivers/net/wireless/morsemicro/mm81x/bus.h @@ -0,0 +1,99 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2017-2026 Morse Micro + */ + +#ifndef _MM81X_BUS_H_ +#define _MM81X_BUS_H_ + +#include +#include "core.h" + +enum mm81x_bus_type { + MM81X_BUS_TYPE_USB, + MM81X_BUS_TYPE_SDIO, +}; + +struct mm81x_bus_ops { + int (*dm_read)(struct mm81x *mors, u32 addr, u8 *data, int len); + int (*dm_write)(struct mm81x *mors, u32 addr, const u8 *data, int len); + int (*reg32_read)(struct mm81x *mors, u32 addr, u32 *data); + int (*reg32_write)(struct mm81x *mors, u32 addr, u32 data); + int (*digital_reset)(struct mm81x *mors); + void (*set_bus_enable)(struct mm81x *mors, bool enable); + void (*config_burst_mode)(struct mm81x *mors, bool enable_burst); + void (*claim)(struct mm81x *mors); + void (*set_irq)(struct mm81x *mors, bool enable); + void (*release)(struct mm81x *mors); + unsigned int bulk_alignment; +}; + +/* + * Default TX alignment for buses which don't care. mac80211 will give us + * SKBs aligned to the 2 byte boundary, so 2 is effectively a noop. + */ +#define MM81X_BUS_DEFAULT_BULK_ALIGNMENT (2) + +/* mm81x_dm_read - len must be rounded up to the nearest 4-byte boundary */ +static inline int mm81x_dm_read(struct mm81x *mors, u32 addr, u8 *data, int len) +{ + return mors->bus_ops->dm_read(mors, addr, data, len); +} + +static inline int mm81x_dm_write(struct mm81x *mors, u32 addr, const u8 *data, + int len) +{ + return mors->bus_ops->dm_write(mors, addr, data, len); +} + +static inline int mm81x_reg32_read(struct mm81x *mors, u32 addr, u32 *data) +{ + return mors->bus_ops->reg32_read(mors, addr, data); +} + +static inline int mm81x_reg32_write(struct mm81x *mors, u32 addr, u32 data) +{ + return mors->bus_ops->reg32_write(mors, addr, data); +} + +static inline int mm81x_bus_digital_reset(struct mm81x *mors) +{ + if (mors->bus_ops->digital_reset) + return mors->bus_ops->digital_reset(mors); + + return 0; +} + +static inline void mm81x_set_bus_enable(struct mm81x *mors, bool enable) +{ + mors->bus_ops->set_bus_enable(mors, enable); +} + +static inline void mm81x_bus_config_burst_mode(struct mm81x *mors, + bool enable_burst) +{ + if (mors->bus_ops->config_burst_mode) + mors->bus_ops->config_burst_mode(mors, enable_burst); +} + +static inline void mm81x_claim_bus(struct mm81x *mors) +{ + mors->bus_ops->claim(mors); +} + +static inline void mm81x_bus_set_irq(struct mm81x *mors, bool enable) +{ + mors->bus_ops->set_irq(mors, enable); +} + +static inline void mm81x_release_bus(struct mm81x *mors) +{ + mors->bus_ops->release(mors); +} + +static inline unsigned int mm81x_bus_get_alignment(struct mm81x *mors) +{ + return mors->bus_ops->bulk_alignment; +} + +#endif /* !_MM81X_BUS_H_ */ -- 2.43.0