From patchwork Wed Nov 16 16:38:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kalle Valo X-Patchwork-Id: 626859 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D763C433FE for ; Wed, 16 Nov 2022 16:44:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233058AbiKPQob (ORCPT ); Wed, 16 Nov 2022 11:44:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238964AbiKPQnf (ORCPT ); Wed, 16 Nov 2022 11:43:35 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B26371F2CA for ; Wed, 16 Nov 2022 08:39:46 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5221E61EE6 for ; Wed, 16 Nov 2022 16:39:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E60CC4314A; Wed, 16 Nov 2022 16:39:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1668616785; bh=t4pf8U2vgt03/8dO2tN5i52yc7ErpHhSBObbGI6YtwE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MlPUdWJOBNP3L+enwxukV1yOXEx+RtifbW+DvZToX+lbdJtcGg3sy8vAEylcfOCgW 0JRCOZ+bTFdZdR1ueo8wL4BAezkwJdhjNuClo8zbNYdRj4LBBJA8XpddCMBQxj7q+S TSeTTfw1Ka1iqBHVbgFe14v5qSGktZf3hsh+lkjYpCTjAjKmMsKE/XC6+sUTL8HzF1 j2u0hcKEU230eh5VWviLHzFKcFknnxCxoJv7C/F+lUL6i0HIZM3HhFMv2zwmw71t5c ocgX703HLHsFIaHXYz9vnISCTZzVJoFpDDi5Cj5Lck1G9jkxfqQbe+I18nc8fHgrll i8RyEvWVs5Mtg== From: Kalle Valo To: linux-wireless@vger.kernel.org Cc: ath12k@lists.infradead.org Subject: [PATCH v2 36/50] wifi: ath12k: add pci.h Date: Wed, 16 Nov 2022 18:38:48 +0200 Message-Id: <20221116163902.24996-37-kvalo@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221116163902.24996-1-kvalo@kernel.org> References: <20221116163902.24996-1-kvalo@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Kalle Valo (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 --- drivers/net/wireless/ath/ath12k/pci.h | 135 ++++++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/pci.h b/drivers/net/wireless/ath/ath12k/pci.h new file mode 100644 index 000000000000..0d9e40ab31f2 --- /dev/null +++ b/drivers/net/wireless/ath/ath12k/pci.h @@ -0,0 +1,135 @@ +/* SPDX-License-Identifier: BSD-3-Clause-Clear */ +/* + * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved. + * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. + */ +#ifndef ATH12K_PCI_H +#define ATH12K_PCI_H + +#include + +#include "core.h" + +#define PCIE_SOC_GLOBAL_RESET 0x3008 +#define PCIE_SOC_GLOBAL_RESET_V 1 + +#define WLAON_WARM_SW_ENTRY 0x1f80504 +#define WLAON_SOC_RESET_CAUSE_REG 0x01f8060c + +#define PCIE_Q6_COOKIE_ADDR 0x01f80500 +#define PCIE_Q6_COOKIE_DATA 0xc0000000 + +/* register to wake the UMAC from power collapse */ +#define PCIE_SCRATCH_0_SOC_PCIE_REG 0x4040 + +/* register used for handshake mechanism to validate UMAC is awake */ +#define PCIE_SOC_WAKE_PCIE_LOCAL_REG 0x3004 + +#define PCIE_PCIE_PARF_LTSSM 0x1e081b0 +#define PARM_LTSSM_VALUE 0x111 + +#define GCC_GCC_PCIE_HOT_RST 0x1e38338 +#define GCC_GCC_PCIE_HOT_RST_VAL 0x10 + +#define PCIE_PCIE_INT_ALL_CLEAR 0x1e08228 +#define PCIE_SMLH_REQ_RST_LINK_DOWN 0x2 +#define PCIE_INT_CLEAR_ALL 0xffffffff + +#define PCIE_QSERDES_COM_SYSCLK_EN_SEL_REG(ab) \ + ((ab)->hw_params->regs->pcie_qserdes_sysclk_en_sel) +#define PCIE_QSERDES_COM_SYSCLK_EN_SEL_VAL 0x10 +#define PCIE_QSERDES_COM_SYSCLK_EN_SEL_MSK 0xffffffff +#define PCIE_PCS_OSC_DTCT_CONFIG1_REG(ab) \ + ((ab)->hw_params->regs->pcie_pcs_osc_dtct_config_base) +#define PCIE_PCS_OSC_DTCT_CONFIG1_VAL 0x02 +#define PCIE_PCS_OSC_DTCT_CONFIG2_REG(ab) \ + ((ab)->hw_params->regs->pcie_pcs_osc_dtct_config_base + 0x4) +#define PCIE_PCS_OSC_DTCT_CONFIG2_VAL 0x52 +#define PCIE_PCS_OSC_DTCT_CONFIG4_REG(ab) \ + ((ab)->hw_params->regs->pcie_pcs_osc_dtct_config_base + 0xc) +#define PCIE_PCS_OSC_DTCT_CONFIG4_VAL 0xff +#define PCIE_PCS_OSC_DTCT_CONFIG_MSK 0x000000ff + +#define WLAON_QFPROM_PWR_CTRL_REG 0x01f8031c +#define QFPROM_PWR_CTRL_VDD4BLOW_MASK 0x4 + +#define PCI_BAR_WINDOW0_BASE 0x1E00000 +#define PCI_BAR_WINDOW0_END 0x1E7FFFC +#define PCI_SOC_RANGE_MASK 0x3FFF +#define PCI_SOC_PCI_REG_BASE 0x1E04000 +#define PCI_SOC_PCI_REG_END 0x1E07FFC +#define PCI_PARF_BASE 0x1E08000 +#define PCI_PARF_END 0x1E0BFFC +#define PCI_MHIREGLEN_REG 0x1E0E100 +#define PCI_MHI_REGION_END 0x1E0EFFC +#define QRTR_PCI_DOMAIN_NR_MASK GENMASK(7, 4) +#define QRTR_PCI_BUS_NUMBER_MASK GENMASK(3, 0) + +#define ATH12K_PCI_SOC_HW_VERSION_1 1 +#define ATH12K_PCI_SOC_HW_VERSION_2 2 + +struct ath12k_msi_user { + const char *name; + int num_vectors; + u32 base_vector; +}; + +struct ath12k_msi_config { + int total_vectors; + int total_users; + const struct ath12k_msi_user *users; +}; + +enum ath12k_pci_flags { + ATH12K_PCI_FLAG_INIT_DONE, + ATH12K_PCI_FLAG_IS_MSI_64, + ATH12K_PCI_ASPM_RESTORE, +}; + +struct ath12k_pci { + struct pci_dev *pdev; + struct ath12k_base *ab; + u16 dev_id; + char amss_path[100]; + u32 msi_ep_base_data; + struct mhi_controller *mhi_ctrl; + const struct ath12k_msi_config *msi_config; + unsigned long mhi_state; + u32 register_window; + + /* protects register_window above */ + spinlock_t window_lock; + + /* enum ath12k_pci_flags */ + unsigned long flags; + u16 link_ctl; +}; + +static inline struct ath12k_pci *ath12k_pci_priv(struct ath12k_base *ab) +{ + return (struct ath12k_pci *)ab->drv_priv; +} + +int ath12k_pci_get_user_msi_assignment(struct ath12k_base *ab, char *user_name, + int *num_vectors, u32 *user_base_data, + u32 *base_vector); +int ath12k_pci_get_msi_irq(struct device *dev, unsigned int vector); +void ath12k_pci_write32(struct ath12k_base *ab, u32 offset, u32 value); +u32 ath12k_pci_read32(struct ath12k_base *ab, u32 offset); +int ath12k_pci_map_service_to_pipe(struct ath12k_base *ab, u16 service_id, + u8 *ul_pipe, u8 *dl_pipe); +void ath12k_pci_get_msi_address(struct ath12k_base *ab, u32 *msi_addr_lo, + u32 *msi_addr_hi); +void ath12k_pci_get_ce_msi_idx(struct ath12k_base *ab, u32 ce_id, + u32 *msi_idx); +void ath12k_pci_hif_ce_irq_enable(struct ath12k_base *ab); +void ath12k_pci_hif_ce_irq_disable(struct ath12k_base *ab); +void ath12k_pci_ext_irq_enable(struct ath12k_base *ab); +void ath12k_pci_ext_irq_disable(struct ath12k_base *ab); +int ath12k_pci_hif_suspend(struct ath12k_base *ab); +int ath12k_pci_hif_resume(struct ath12k_base *ab); +void ath12k_pci_stop(struct ath12k_base *ab); +int ath12k_pci_start(struct ath12k_base *ab); +int ath12k_pci_power_up(struct ath12k_base *ab); +void ath12k_pci_power_down(struct ath12k_base *ab); +#endif /* ATH12K_PCI_H */