Re: [PATCH 34/50] wifi: ath12k: add mhi.h

Jeff Johnson
2022-08-18T22:31:16Z

On 8/12/2022 9:09 AM, Kalle Valo wrote:
> From: Kalle Valo <quic_kvalo@quicinc.com>
>
> (Patches split into one patch per file for easier review, but the final
> commit will be one big patch. See the cover letter for more info.)
>
> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
> ---
> drivers/net/wireless/ath/ath12k/mhi.h | 46 +++++++++++++++++++++++++++++++++++
> 1 file changed, 46 insertions(+)
>
> diff --git a/drivers/net/wireless/ath/ath12k/mhi.h b/drivers/net/wireless/ath/ath12k/mhi.h
> new file mode 100644
> index 000000000000..258152d3a7dd
> --- /dev/null
> +++ b/drivers/net/wireless/ath/ath12k/mhi.h
> @@ -0,0 +1,46 @@
> +/* SPDX-License-Identifier: BSD-3-Clause-Clear */
> +/*
> + * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
> + * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +#ifndef _ATH12K_MHI_H
> +#define _ATH12K_MHI_H
> +
> +#include "pci.h"
> +
> +#define PCIE_TXVECDB 0x360
> +#define PCIE_TXVECSTATUS 0x368
> +#define PCIE_RXVECDB 0x394
> +#define PCIE_RXVECSTATUS 0x39C
> +
> +#define MHISTATUS 0x48
> +#define MHICTRL 0x38
> +#define MHICTRL_RESET_MASK 0x2
> +
> +enum ath12k_mhi_state {
> + ATH12K_MHI_INIT,
> + ATH12K_MHI_DEINIT,
> + ATH12K_MHI_POWER_ON,
> + ATH12K_MHI_POWER_OFF,
> + ATH12K_MHI_FORCE_POWER_OFF,
> + ATH12K_MHI_SUSPEND,
> + ATH12K_MHI_RESUME,
> + ATH12K_MHI_TRIGGER_RDDM,
> + ATH12K_MHI_RDDM,
> + ATH12K_MHI_RDDM_DONE,
> +};
> +
> +extern struct mhi_controller_config ath12k_mhi_config_qcn9274;
> +extern struct mhi_controller_config ath12k_mhi_config_wcn7850;

imo both should be const

> +
> +int ath12k_mhi_start(struct ath12k_pci *ar_pci);
> +void ath12k_mhi_stop(struct ath12k_pci *ar_pci);
> +int ath12k_mhi_register(struct ath12k_pci *ar_pci);
> +void ath12k_mhi_unregister(struct ath12k_pci *ar_pci);
> +void ath12k_mhi_set_mhictrl_reset(struct ath12k_base *ab);
> +void ath12k_mhi_clear_vector(struct ath12k_base *ab);
> +
> +void ath12k_mhi_suspend(struct ath12k_pci *ar_pci);
> +void ath12k_mhi_resume(struct ath12k_pci *ar_pci);
> +
> +#endif