Loading arch/arm64/configs/vendor/lahaina_GKI.config +0 −5 Original line number Diff line number Diff line Loading @@ -106,14 +106,9 @@ CONFIG_MSM_BT_POWER=m CONFIG_ARM_SMMU=m CONFIG_MSM_CLK_AOP_QMP=m CONFIG_MSM_SPSS_UTILS=m CONFIG_GSI=m CONFIG_GSI_REGISTER_VERSION_2=y CONFIG_QCOM_MINIDUMP=m CONFIG_IPA3=m CONFIG_IPA_USB=m CONFIG_IPA_WDI_UNIFIED_API=y CONFIG_RMNET_IPA3=y CONFIG_RNDIS_IPA=m CONFIG_CNSS2=m CONFIG_CNSS2_QMI=y CONFIG_CNSS_ASYNC=y Loading drivers/platform/msm/Kconfig +2 −145 Original line number Diff line number Diff line Loading @@ -42,31 +42,11 @@ config SPS_SUPPORT_NDP_BAM to do the actual data transfer themselves, instead of the BAM. config GSI tristate "GSI support" help This driver provides the transport needed to talk to the IPA core. It replaces the BAM transport used previously. The GSI connects to a peripheral component via uniform TLV interface, and allows it to interface with other peripherals and CPUs over various types of interfaces such as MHI, xDCI, xHCI, GPI, WDI, Ethernet, etc. config GSI_REGISTER_VERSION_2 bool "GSI core Version 2 Registers SWI Support" depends on GSI help GSI core registers Software interface version 2 has updated registers interface to communicate with GSI. This includes new registers offsets, new registers fields structure and new registers. config IPA3 tristate "IPA3 support" depends on NET && GSI depends on NET help This driver supports the Internet Packet Accelerator (IPA3) core. This framework supports the Internet Packet Accelerator (IPA3) core. IPA is a programmable protocol processor HW block. It is designed to support generic HW processing of UL/DL IP packets for various use cases independent of radio technology. Loading @@ -75,24 +55,6 @@ config IPA3 Kernel and user-space processes can call the IPA driver to configure IPA core. config IPA_USB tristate "IPA USB offload support" depends on IPA3 && ARCH_QCOM help This driver supports control of USB data traffic offload via IPA. Using xDCI GSI protocol, IPA USB enables USB to configure IPA to offload traffic with different USB functions. The supported functions are RNDIS, ECM, MBIM, RMNET as well as DPL (data packet logging). config IPA_DEBUG bool "IPA DEBUG for non-perf build" depends on IPA3 help This driver support more debug info for non-perf build. If you use the non-perf build and want to have more debug info enabled, then this flag can be enabled. It is not suggested to enable this flag for perf build. config IPA_WDI_UNIFIED_API bool "IPA WDI unified API support" depends on IPA3 Loading @@ -103,73 +65,6 @@ config IPA_WDI_UNIFIED_API The IPA WDI unified API supports all WDI versions through a unified interface. config RMNET_IPA3 bool "IPA3 RMNET WWAN Network Device" depends on IPA3 && ARCH_QCOM select QCOM_QMI_HELPERS help This WWAN Network Driver implements network stack class device. It supports Embedded data transfer from A7 to Q6. Configures IPA HW for RmNet Data Driver and also exchange of QMI messages between A7 and Q6 IPA-driver. config ECM_IPA tristate "STD ECM LAN Driver support" depends on IPA_USB help Enables LAN between applications processor and a tethered host using the STD ECM protocol. This Network interface is aimed to allow data path go through IPA core while using STD ECM protocol. config RNDIS_IPA tristate "RNDIS_IPA Network Interface Driver support" depends on IPA_USB help Enables LAN between applications processor and a tethered host using the RNDIS protocol. This Network interface is aimed to allow data path go through IPA core while using RNDIS protocol. config IPA3_MHI_PROXY bool "IPA3 MHI proxy driver" depends on RMNET_IPA3 help This driver is used as a proxy between modem and MHI host driver. Its main functionality is to setup MHI Satellite channels on behalf of modem and provide the ability of modem to MHI device communication. Once the configuration is done modem will communicate directly with the MHI device without AP involvement, with the exception of power management. config IPA3_MHI_PRIME_MANAGER tristate "IPA3_MHI Prime Manager driver" depends on RMNET_IPA3 help This driver functionality is to setup MHI Prime channels between Host and modem and enable the ability for MHI Prime communication. Once the configuration is done modem will communicate directly with the Host without AP involvement for tethering data offload. config IPA_UT bool "IPA Unit-Test Framework and Test Suites" depends on IPA3 && DEBUG_FS help This Module implements IPA in-kernel test framework. The framework supports defining and running tests, grouped into suites according to the sub-unit of the IPA being tested. The user interface to run and control the tests is debugfs file system. config IPA_EMULATION bool "IPA on X86 Linux (IPA emulation support)" depends on X86 && IPA3 help This options is used only when building the X86 version of the IPA/GSI driver. On this mode, IPA driver will be probed as PCIE device (and not platform device) where IPA emulation shall be connected via PCIE to X86 machine. config USB_BAM tristate "USB BAM Driver" depends on SPS && USB_GADGET Loading @@ -187,44 +82,6 @@ config MSM_GENI_SE module is used to configure and read the configuration from the Serial Engines. config IPA3_REGDUMP bool "Dump or collect IPA/GSI register values on Linux crash" depends on IPA3 help This option is to be used when the saving of IPA register state is desired upon a fatal system exception. When an exception occurs, an IPA register collection algorithm will be run in the context of the exception handler. A predefined set of registers will be read and their values will be placed into a static hierarchical data structure that can be perused post crash. choice prompt "Platform whose registers are to be dumped/collected" depends on IPA3_REGDUMP help The choices within represent the possible platforms this build is intended for. The choices are mutually exclusive. By selecting one, you effect the inclusion path used, such that the relevant register definitions will be found. Each platform has unique register definitions. config IPA3_REGDUMP_IPA_4_5 bool "The 4.5 IPA" depends on IPA3_REGDUMP depends on ARCH_KONA help Set this to enable the 4.5 IPA's registers to be dumped/collected. endchoice config IPA3_REGDUMP_NUM_EXTRA_ENDP_REGS int "The number of extra endp registers for remaining pipes" depends on IPA3_REGDUMP default 0 help If the platform has extra endpoint registers for remaining pipes, please express how many here. config QPNP_REVID tristate "QPNP Revision ID Peripheral" depends on SPMI Loading drivers/platform/msm/Makefile +1 −2 Original line number Diff line number Diff line Loading @@ -5,8 +5,7 @@ # obj-$(CONFIG_MSM_EXT_DISPLAY) += msm_ext_display.o obj-$(CONFIG_GSI) += gsi/ obj-$(CONFIG_IPA3) += ipa/ obj-$(CONFIG_IPA3) += ipa_fmwk/ obj-$(CONFIG_MSM_GENI_SE) += msm-geni-se.o obj-$(CONFIG_USB_BAM) += usb_bam.o obj-$(CONFIG_QPNP_REVID) += qpnp-revid.o Loading drivers/platform/msm/ipa_fmwk/Makefile 0 → 100644 +5 −0 Original line number Diff line number Diff line # SPDX-License-Identifier: GPL-2.0-only ipa_fwmk-y += ipa_fmwk.o obj-$(CONFIG_IPA3) += ipa_fmwk.o drivers/platform/msm/ipa_fmwk/ipa_fmwk.c 0 → 100644 +322 −0 Original line number Diff line number Diff line // SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2015-2020, The Linux Foundation. All rights reserved. */ #include <linux/ipa.h> #include <linux/ipa_uc_offload.h> #include <linux/ipa_mhi.h> #include <linux/ipa_wigig.h> #include <linux/ipa_wdi3.h> #include <linux/ipa_usb.h> #include <linux/ipa_odu_bridge.h> #include <linux/ipa_fmwk.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/list.h> #define IPA_FMWK_DISPATCH_RETURN(api, p...) \ do { \ if (!ipa_fmwk_ctx) { \ pr_err("%s:%d IPA framework was not inited\n", \ __func__, __LINE__); \ ret = -EPERM; \ } \ else { \ if (ipa_fmwk_ctx->api) { \ ret = ipa_fmwk_ctx->api(p); \ } else { \ WARN(1, \ "%s was not registered on ipa_fmwk\n", \ __func__); \ ret = -EPERM; \ } \ } \ } while (0) /** * struct ipa_ready_cb_info - A list of all the registrations * for an indication of IPA driver readiness * * @link: linked list link * @ready_cb: callback * @user_data: User data * */ struct ipa_ready_cb_info { struct list_head link; ipa_ready_cb ready_cb; void *user_data; }; struct ipa_fmwk_contex { bool ipa_ready; struct list_head ipa_ready_cb_list; struct mutex lock; /* ipa core driver APIs */ int (*ipa_tx_dp)(enum ipa_client_type dst, struct sk_buff *skb, struct ipa_tx_meta *metadata); /* ipa_usb APIs */ int (*ipa_usb_init_teth_prot)(enum ipa_usb_teth_prot teth_prot, struct ipa_usb_teth_params *teth_params, int (*ipa_usb_notify_cb)(enum ipa_usb_notify_event, void *), void *user_data); int (*ipa_usb_xdci_connect)( struct ipa_usb_xdci_chan_params *ul_chan_params, struct ipa_usb_xdci_chan_params *dl_chan_params, struct ipa_req_chan_out_params *ul_out_params, struct ipa_req_chan_out_params *dl_out_params, struct ipa_usb_xdci_connect_params *connect_params); int (*ipa_usb_xdci_disconnect)(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot); int (*ipa_usb_deinit_teth_prot)(enum ipa_usb_teth_prot teth_prot); int (*ipa_usb_xdci_suspend)(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot, bool with_remote_wakeup); int (*ipa_usb_xdci_resume)(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot); }; static struct ipa_fmwk_contex *ipa_fmwk_ctx; static inline void ipa_trigger_ipa_ready_cbs(void) { struct ipa_ready_cb_info *info; struct ipa_ready_cb_info *next; /* Call all the CBs */ list_for_each_entry_safe(info, next, &ipa_fmwk_ctx->ipa_ready_cb_list, link) { if (info->ready_cb) info->ready_cb(info->user_data); list_del(&info->link); kfree(info); } } /* registration API for IPA core module */ int ipa_fmwk_register_ipa(const struct ipa_core_data *in) { if (!ipa_fmwk_ctx) { pr_err("ipa framework hasn't been initialized yet\n"); return -EPERM; } mutex_lock(&ipa_fmwk_ctx->lock); if (ipa_fmwk_ctx->ipa_ready) { pr_err("ipa core driver API were already registered\n"); mutex_unlock(&ipa_fmwk_ctx->lock); return -EPERM; } ipa_fmwk_ctx->ipa_tx_dp = in->ipa_tx_dp; ipa_fmwk_ctx->ipa_ready = true; ipa_trigger_ipa_ready_cbs(); mutex_unlock(&ipa_fmwk_ctx->lock); pr_info("IPA driver is now in ready state\n"); return 0; } EXPORT_SYMBOL(ipa_fmwk_register_ipa); int ipa_register_ipa_ready_cb(void(*ipa_ready_cb)(void *user_data), void *user_data) { struct ipa_ready_cb_info *cb_info = NULL; if (!ipa_fmwk_ctx) { pr_err("ipa framework hasn't been initialized yet\n"); return -EPERM; } mutex_lock(&ipa_fmwk_ctx->lock); if (ipa_fmwk_ctx->ipa_ready) { pr_debug("IPA driver finished initialization already\n"); mutex_unlock(&ipa_fmwk_ctx->lock); return -EEXIST; } cb_info = kmalloc(sizeof(struct ipa_ready_cb_info), GFP_KERNEL); if (!cb_info) { mutex_unlock(&ipa_fmwk_ctx->lock); return -ENOMEM; } cb_info->ready_cb = ipa_ready_cb; cb_info->user_data = user_data; list_add_tail(&cb_info->link, &ipa_fmwk_ctx->ipa_ready_cb_list); mutex_unlock(&ipa_fmwk_ctx->lock); return 0; } EXPORT_SYMBOL(ipa_register_ipa_ready_cb); /* ipa core driver API wrappers*/ int ipa_tx_dp(enum ipa_client_type dst, struct sk_buff *skb, struct ipa_tx_meta *metadata) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_tx_dp, dst, skb, metadata); return ret; } EXPORT_SYMBOL(ipa_tx_dp); /* registration API for IPA usb module */ int ipa_fmwk_register_ipa_usb(const struct ipa_usb_data *in) { if (!ipa_fmwk_ctx) { pr_err("ipa framework hasn't been initialized yet\n"); return -EPERM; } if (ipa_fmwk_ctx->ipa_usb_init_teth_prot || ipa_fmwk_ctx->ipa_usb_xdci_connect || ipa_fmwk_ctx->ipa_usb_xdci_disconnect || ipa_fmwk_ctx->ipa_usb_deinit_teth_prot || ipa_fmwk_ctx->ipa_usb_xdci_suspend || ipa_fmwk_ctx->ipa_usb_xdci_resume) { pr_err("ipa_usb APIs were already initialized\n"); return -EPERM; } ipa_fmwk_ctx->ipa_usb_init_teth_prot = in->ipa_usb_init_teth_prot; ipa_fmwk_ctx->ipa_usb_xdci_connect = in->ipa_usb_xdci_connect; ipa_fmwk_ctx->ipa_usb_xdci_disconnect = in->ipa_usb_xdci_disconnect; ipa_fmwk_ctx->ipa_usb_deinit_teth_prot = in->ipa_usb_deinit_teth_prot; ipa_fmwk_ctx->ipa_usb_xdci_suspend = in->ipa_usb_xdci_suspend; ipa_fmwk_ctx->ipa_usb_xdci_resume = in->ipa_usb_xdci_resume; return 0; } EXPORT_SYMBOL(ipa_fmwk_register_ipa_usb); /* ipa_usb API wrappers*/ int ipa_usb_init_teth_prot(enum ipa_usb_teth_prot teth_prot, struct ipa_usb_teth_params *teth_params, int (*ipa_usb_notify_cb)(enum ipa_usb_notify_event, void *), void *user_data) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_init_teth_prot, teth_prot, teth_params, ipa_usb_notify_cb, user_data); return ret; } EXPORT_SYMBOL(ipa_usb_init_teth_prot); int ipa_usb_xdci_connect(struct ipa_usb_xdci_chan_params *ul_chan_params, struct ipa_usb_xdci_chan_params *dl_chan_params, struct ipa_req_chan_out_params *ul_out_params, struct ipa_req_chan_out_params *dl_out_params, struct ipa_usb_xdci_connect_params *connect_params) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_xdci_connect, ul_chan_params, dl_chan_params, ul_out_params, dl_out_params, connect_params); return ret; } EXPORT_SYMBOL(ipa_usb_xdci_connect); int ipa_usb_xdci_disconnect(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_xdci_disconnect, ul_clnt_hdl, dl_clnt_hdl, teth_prot); return ret; } EXPORT_SYMBOL(ipa_usb_xdci_disconnect); int ipa_usb_deinit_teth_prot(enum ipa_usb_teth_prot teth_prot) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_deinit_teth_prot, teth_prot); return ret; } EXPORT_SYMBOL(ipa_usb_deinit_teth_prot); int ipa_usb_xdci_suspend(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot, bool with_remote_wakeup) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_xdci_suspend, ul_clnt_hdl, dl_clnt_hdl, teth_prot, with_remote_wakeup); return ret; } EXPORT_SYMBOL(ipa_usb_xdci_suspend); int ipa_usb_xdci_resume(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_xdci_resume, ul_clnt_hdl, dl_clnt_hdl, teth_prot); return ret; } EXPORT_SYMBOL(ipa_usb_xdci_resume); static int __init ipa_fmwk_init(void) { pr_info("IPA framework init\n"); ipa_fmwk_ctx = kzalloc(sizeof(struct ipa_fmwk_contex), GFP_KERNEL); if (ipa_fmwk_ctx == NULL) return -ENOMEM; INIT_LIST_HEAD(&ipa_fmwk_ctx->ipa_ready_cb_list); mutex_init(&ipa_fmwk_ctx->lock); return 0; } subsys_initcall(ipa_fmwk_init); static void __exit ipa_fmwk_exit(void) { struct ipa_ready_cb_info *info; struct ipa_ready_cb_info *next; pr_debug("IPA framework exit\n"); list_for_each_entry_safe(info, next, &ipa_fmwk_ctx->ipa_ready_cb_list, link) { list_del(&info->link); kfree(info); } kfree(ipa_fmwk_ctx); ipa_fmwk_ctx = NULL; } module_exit(ipa_fmwk_exit); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("IPA HW framework"); Loading
arch/arm64/configs/vendor/lahaina_GKI.config +0 −5 Original line number Diff line number Diff line Loading @@ -106,14 +106,9 @@ CONFIG_MSM_BT_POWER=m CONFIG_ARM_SMMU=m CONFIG_MSM_CLK_AOP_QMP=m CONFIG_MSM_SPSS_UTILS=m CONFIG_GSI=m CONFIG_GSI_REGISTER_VERSION_2=y CONFIG_QCOM_MINIDUMP=m CONFIG_IPA3=m CONFIG_IPA_USB=m CONFIG_IPA_WDI_UNIFIED_API=y CONFIG_RMNET_IPA3=y CONFIG_RNDIS_IPA=m CONFIG_CNSS2=m CONFIG_CNSS2_QMI=y CONFIG_CNSS_ASYNC=y Loading
drivers/platform/msm/Kconfig +2 −145 Original line number Diff line number Diff line Loading @@ -42,31 +42,11 @@ config SPS_SUPPORT_NDP_BAM to do the actual data transfer themselves, instead of the BAM. config GSI tristate "GSI support" help This driver provides the transport needed to talk to the IPA core. It replaces the BAM transport used previously. The GSI connects to a peripheral component via uniform TLV interface, and allows it to interface with other peripherals and CPUs over various types of interfaces such as MHI, xDCI, xHCI, GPI, WDI, Ethernet, etc. config GSI_REGISTER_VERSION_2 bool "GSI core Version 2 Registers SWI Support" depends on GSI help GSI core registers Software interface version 2 has updated registers interface to communicate with GSI. This includes new registers offsets, new registers fields structure and new registers. config IPA3 tristate "IPA3 support" depends on NET && GSI depends on NET help This driver supports the Internet Packet Accelerator (IPA3) core. This framework supports the Internet Packet Accelerator (IPA3) core. IPA is a programmable protocol processor HW block. It is designed to support generic HW processing of UL/DL IP packets for various use cases independent of radio technology. Loading @@ -75,24 +55,6 @@ config IPA3 Kernel and user-space processes can call the IPA driver to configure IPA core. config IPA_USB tristate "IPA USB offload support" depends on IPA3 && ARCH_QCOM help This driver supports control of USB data traffic offload via IPA. Using xDCI GSI protocol, IPA USB enables USB to configure IPA to offload traffic with different USB functions. The supported functions are RNDIS, ECM, MBIM, RMNET as well as DPL (data packet logging). config IPA_DEBUG bool "IPA DEBUG for non-perf build" depends on IPA3 help This driver support more debug info for non-perf build. If you use the non-perf build and want to have more debug info enabled, then this flag can be enabled. It is not suggested to enable this flag for perf build. config IPA_WDI_UNIFIED_API bool "IPA WDI unified API support" depends on IPA3 Loading @@ -103,73 +65,6 @@ config IPA_WDI_UNIFIED_API The IPA WDI unified API supports all WDI versions through a unified interface. config RMNET_IPA3 bool "IPA3 RMNET WWAN Network Device" depends on IPA3 && ARCH_QCOM select QCOM_QMI_HELPERS help This WWAN Network Driver implements network stack class device. It supports Embedded data transfer from A7 to Q6. Configures IPA HW for RmNet Data Driver and also exchange of QMI messages between A7 and Q6 IPA-driver. config ECM_IPA tristate "STD ECM LAN Driver support" depends on IPA_USB help Enables LAN between applications processor and a tethered host using the STD ECM protocol. This Network interface is aimed to allow data path go through IPA core while using STD ECM protocol. config RNDIS_IPA tristate "RNDIS_IPA Network Interface Driver support" depends on IPA_USB help Enables LAN between applications processor and a tethered host using the RNDIS protocol. This Network interface is aimed to allow data path go through IPA core while using RNDIS protocol. config IPA3_MHI_PROXY bool "IPA3 MHI proxy driver" depends on RMNET_IPA3 help This driver is used as a proxy between modem and MHI host driver. Its main functionality is to setup MHI Satellite channels on behalf of modem and provide the ability of modem to MHI device communication. Once the configuration is done modem will communicate directly with the MHI device without AP involvement, with the exception of power management. config IPA3_MHI_PRIME_MANAGER tristate "IPA3_MHI Prime Manager driver" depends on RMNET_IPA3 help This driver functionality is to setup MHI Prime channels between Host and modem and enable the ability for MHI Prime communication. Once the configuration is done modem will communicate directly with the Host without AP involvement for tethering data offload. config IPA_UT bool "IPA Unit-Test Framework and Test Suites" depends on IPA3 && DEBUG_FS help This Module implements IPA in-kernel test framework. The framework supports defining and running tests, grouped into suites according to the sub-unit of the IPA being tested. The user interface to run and control the tests is debugfs file system. config IPA_EMULATION bool "IPA on X86 Linux (IPA emulation support)" depends on X86 && IPA3 help This options is used only when building the X86 version of the IPA/GSI driver. On this mode, IPA driver will be probed as PCIE device (and not platform device) where IPA emulation shall be connected via PCIE to X86 machine. config USB_BAM tristate "USB BAM Driver" depends on SPS && USB_GADGET Loading @@ -187,44 +82,6 @@ config MSM_GENI_SE module is used to configure and read the configuration from the Serial Engines. config IPA3_REGDUMP bool "Dump or collect IPA/GSI register values on Linux crash" depends on IPA3 help This option is to be used when the saving of IPA register state is desired upon a fatal system exception. When an exception occurs, an IPA register collection algorithm will be run in the context of the exception handler. A predefined set of registers will be read and their values will be placed into a static hierarchical data structure that can be perused post crash. choice prompt "Platform whose registers are to be dumped/collected" depends on IPA3_REGDUMP help The choices within represent the possible platforms this build is intended for. The choices are mutually exclusive. By selecting one, you effect the inclusion path used, such that the relevant register definitions will be found. Each platform has unique register definitions. config IPA3_REGDUMP_IPA_4_5 bool "The 4.5 IPA" depends on IPA3_REGDUMP depends on ARCH_KONA help Set this to enable the 4.5 IPA's registers to be dumped/collected. endchoice config IPA3_REGDUMP_NUM_EXTRA_ENDP_REGS int "The number of extra endp registers for remaining pipes" depends on IPA3_REGDUMP default 0 help If the platform has extra endpoint registers for remaining pipes, please express how many here. config QPNP_REVID tristate "QPNP Revision ID Peripheral" depends on SPMI Loading
drivers/platform/msm/Makefile +1 −2 Original line number Diff line number Diff line Loading @@ -5,8 +5,7 @@ # obj-$(CONFIG_MSM_EXT_DISPLAY) += msm_ext_display.o obj-$(CONFIG_GSI) += gsi/ obj-$(CONFIG_IPA3) += ipa/ obj-$(CONFIG_IPA3) += ipa_fmwk/ obj-$(CONFIG_MSM_GENI_SE) += msm-geni-se.o obj-$(CONFIG_USB_BAM) += usb_bam.o obj-$(CONFIG_QPNP_REVID) += qpnp-revid.o Loading
drivers/platform/msm/ipa_fmwk/Makefile 0 → 100644 +5 −0 Original line number Diff line number Diff line # SPDX-License-Identifier: GPL-2.0-only ipa_fwmk-y += ipa_fmwk.o obj-$(CONFIG_IPA3) += ipa_fmwk.o
drivers/platform/msm/ipa_fmwk/ipa_fmwk.c 0 → 100644 +322 −0 Original line number Diff line number Diff line // SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2015-2020, The Linux Foundation. All rights reserved. */ #include <linux/ipa.h> #include <linux/ipa_uc_offload.h> #include <linux/ipa_mhi.h> #include <linux/ipa_wigig.h> #include <linux/ipa_wdi3.h> #include <linux/ipa_usb.h> #include <linux/ipa_odu_bridge.h> #include <linux/ipa_fmwk.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/list.h> #define IPA_FMWK_DISPATCH_RETURN(api, p...) \ do { \ if (!ipa_fmwk_ctx) { \ pr_err("%s:%d IPA framework was not inited\n", \ __func__, __LINE__); \ ret = -EPERM; \ } \ else { \ if (ipa_fmwk_ctx->api) { \ ret = ipa_fmwk_ctx->api(p); \ } else { \ WARN(1, \ "%s was not registered on ipa_fmwk\n", \ __func__); \ ret = -EPERM; \ } \ } \ } while (0) /** * struct ipa_ready_cb_info - A list of all the registrations * for an indication of IPA driver readiness * * @link: linked list link * @ready_cb: callback * @user_data: User data * */ struct ipa_ready_cb_info { struct list_head link; ipa_ready_cb ready_cb; void *user_data; }; struct ipa_fmwk_contex { bool ipa_ready; struct list_head ipa_ready_cb_list; struct mutex lock; /* ipa core driver APIs */ int (*ipa_tx_dp)(enum ipa_client_type dst, struct sk_buff *skb, struct ipa_tx_meta *metadata); /* ipa_usb APIs */ int (*ipa_usb_init_teth_prot)(enum ipa_usb_teth_prot teth_prot, struct ipa_usb_teth_params *teth_params, int (*ipa_usb_notify_cb)(enum ipa_usb_notify_event, void *), void *user_data); int (*ipa_usb_xdci_connect)( struct ipa_usb_xdci_chan_params *ul_chan_params, struct ipa_usb_xdci_chan_params *dl_chan_params, struct ipa_req_chan_out_params *ul_out_params, struct ipa_req_chan_out_params *dl_out_params, struct ipa_usb_xdci_connect_params *connect_params); int (*ipa_usb_xdci_disconnect)(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot); int (*ipa_usb_deinit_teth_prot)(enum ipa_usb_teth_prot teth_prot); int (*ipa_usb_xdci_suspend)(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot, bool with_remote_wakeup); int (*ipa_usb_xdci_resume)(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot); }; static struct ipa_fmwk_contex *ipa_fmwk_ctx; static inline void ipa_trigger_ipa_ready_cbs(void) { struct ipa_ready_cb_info *info; struct ipa_ready_cb_info *next; /* Call all the CBs */ list_for_each_entry_safe(info, next, &ipa_fmwk_ctx->ipa_ready_cb_list, link) { if (info->ready_cb) info->ready_cb(info->user_data); list_del(&info->link); kfree(info); } } /* registration API for IPA core module */ int ipa_fmwk_register_ipa(const struct ipa_core_data *in) { if (!ipa_fmwk_ctx) { pr_err("ipa framework hasn't been initialized yet\n"); return -EPERM; } mutex_lock(&ipa_fmwk_ctx->lock); if (ipa_fmwk_ctx->ipa_ready) { pr_err("ipa core driver API were already registered\n"); mutex_unlock(&ipa_fmwk_ctx->lock); return -EPERM; } ipa_fmwk_ctx->ipa_tx_dp = in->ipa_tx_dp; ipa_fmwk_ctx->ipa_ready = true; ipa_trigger_ipa_ready_cbs(); mutex_unlock(&ipa_fmwk_ctx->lock); pr_info("IPA driver is now in ready state\n"); return 0; } EXPORT_SYMBOL(ipa_fmwk_register_ipa); int ipa_register_ipa_ready_cb(void(*ipa_ready_cb)(void *user_data), void *user_data) { struct ipa_ready_cb_info *cb_info = NULL; if (!ipa_fmwk_ctx) { pr_err("ipa framework hasn't been initialized yet\n"); return -EPERM; } mutex_lock(&ipa_fmwk_ctx->lock); if (ipa_fmwk_ctx->ipa_ready) { pr_debug("IPA driver finished initialization already\n"); mutex_unlock(&ipa_fmwk_ctx->lock); return -EEXIST; } cb_info = kmalloc(sizeof(struct ipa_ready_cb_info), GFP_KERNEL); if (!cb_info) { mutex_unlock(&ipa_fmwk_ctx->lock); return -ENOMEM; } cb_info->ready_cb = ipa_ready_cb; cb_info->user_data = user_data; list_add_tail(&cb_info->link, &ipa_fmwk_ctx->ipa_ready_cb_list); mutex_unlock(&ipa_fmwk_ctx->lock); return 0; } EXPORT_SYMBOL(ipa_register_ipa_ready_cb); /* ipa core driver API wrappers*/ int ipa_tx_dp(enum ipa_client_type dst, struct sk_buff *skb, struct ipa_tx_meta *metadata) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_tx_dp, dst, skb, metadata); return ret; } EXPORT_SYMBOL(ipa_tx_dp); /* registration API for IPA usb module */ int ipa_fmwk_register_ipa_usb(const struct ipa_usb_data *in) { if (!ipa_fmwk_ctx) { pr_err("ipa framework hasn't been initialized yet\n"); return -EPERM; } if (ipa_fmwk_ctx->ipa_usb_init_teth_prot || ipa_fmwk_ctx->ipa_usb_xdci_connect || ipa_fmwk_ctx->ipa_usb_xdci_disconnect || ipa_fmwk_ctx->ipa_usb_deinit_teth_prot || ipa_fmwk_ctx->ipa_usb_xdci_suspend || ipa_fmwk_ctx->ipa_usb_xdci_resume) { pr_err("ipa_usb APIs were already initialized\n"); return -EPERM; } ipa_fmwk_ctx->ipa_usb_init_teth_prot = in->ipa_usb_init_teth_prot; ipa_fmwk_ctx->ipa_usb_xdci_connect = in->ipa_usb_xdci_connect; ipa_fmwk_ctx->ipa_usb_xdci_disconnect = in->ipa_usb_xdci_disconnect; ipa_fmwk_ctx->ipa_usb_deinit_teth_prot = in->ipa_usb_deinit_teth_prot; ipa_fmwk_ctx->ipa_usb_xdci_suspend = in->ipa_usb_xdci_suspend; ipa_fmwk_ctx->ipa_usb_xdci_resume = in->ipa_usb_xdci_resume; return 0; } EXPORT_SYMBOL(ipa_fmwk_register_ipa_usb); /* ipa_usb API wrappers*/ int ipa_usb_init_teth_prot(enum ipa_usb_teth_prot teth_prot, struct ipa_usb_teth_params *teth_params, int (*ipa_usb_notify_cb)(enum ipa_usb_notify_event, void *), void *user_data) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_init_teth_prot, teth_prot, teth_params, ipa_usb_notify_cb, user_data); return ret; } EXPORT_SYMBOL(ipa_usb_init_teth_prot); int ipa_usb_xdci_connect(struct ipa_usb_xdci_chan_params *ul_chan_params, struct ipa_usb_xdci_chan_params *dl_chan_params, struct ipa_req_chan_out_params *ul_out_params, struct ipa_req_chan_out_params *dl_out_params, struct ipa_usb_xdci_connect_params *connect_params) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_xdci_connect, ul_chan_params, dl_chan_params, ul_out_params, dl_out_params, connect_params); return ret; } EXPORT_SYMBOL(ipa_usb_xdci_connect); int ipa_usb_xdci_disconnect(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_xdci_disconnect, ul_clnt_hdl, dl_clnt_hdl, teth_prot); return ret; } EXPORT_SYMBOL(ipa_usb_xdci_disconnect); int ipa_usb_deinit_teth_prot(enum ipa_usb_teth_prot teth_prot) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_deinit_teth_prot, teth_prot); return ret; } EXPORT_SYMBOL(ipa_usb_deinit_teth_prot); int ipa_usb_xdci_suspend(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot, bool with_remote_wakeup) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_xdci_suspend, ul_clnt_hdl, dl_clnt_hdl, teth_prot, with_remote_wakeup); return ret; } EXPORT_SYMBOL(ipa_usb_xdci_suspend); int ipa_usb_xdci_resume(u32 ul_clnt_hdl, u32 dl_clnt_hdl, enum ipa_usb_teth_prot teth_prot) { int ret; IPA_FMWK_DISPATCH_RETURN(ipa_usb_xdci_resume, ul_clnt_hdl, dl_clnt_hdl, teth_prot); return ret; } EXPORT_SYMBOL(ipa_usb_xdci_resume); static int __init ipa_fmwk_init(void) { pr_info("IPA framework init\n"); ipa_fmwk_ctx = kzalloc(sizeof(struct ipa_fmwk_contex), GFP_KERNEL); if (ipa_fmwk_ctx == NULL) return -ENOMEM; INIT_LIST_HEAD(&ipa_fmwk_ctx->ipa_ready_cb_list); mutex_init(&ipa_fmwk_ctx->lock); return 0; } subsys_initcall(ipa_fmwk_init); static void __exit ipa_fmwk_exit(void) { struct ipa_ready_cb_info *info; struct ipa_ready_cb_info *next; pr_debug("IPA framework exit\n"); list_for_each_entry_safe(info, next, &ipa_fmwk_ctx->ipa_ready_cb_list, link) { list_del(&info->link); kfree(info); } kfree(ipa_fmwk_ctx); ipa_fmwk_ctx = NULL; } module_exit(ipa_fmwk_exit); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("IPA HW framework");
