/* SPDX-License-Identifier: GPL-2.0-only * * Copyright (c) 2021, MediaTek Inc. * Copyright (c) 2021-2022, Intel Corporation. * * Authors: * Amir Hanania <amir.hanania@intel.com> * Haijun Liu <haijun.liu@mediatek.com> * Moises Veleta <moises.veleta@intel.com> * Ricardo Martinez <ricardo.martinez@linux.intel.com> * * Contributors: * Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com> * Eliot Lee <eliot.lee@intel.com> * Sreehari Kancharla <sreehari.kancharla@intel.com> */ #ifndef __T7XX_PORT_PROXY_H__ #define __T7XX_PORT_PROXY_H__ #include <linux/bits.h> #include <linux/device.h> #include <linux/skbuff.h> #include <linux/types.h> #include "t7xx_hif_cldma.h" #include "t7xx_modem_ops.h" #include "t7xx_port.h" #define MTK_QUEUES 16 #define RX_QUEUE_MAXLEN 32 #define CTRL_QUEUE_MAXLEN 16 struct port_proxy { int port_count; struct list_head rx_ch_ports[PORT_CH_ID_MASK + 1]; struct list_head queue_ports[CLDMA_NUM][MTK_QUEUES]; struct device *dev; struct t7xx_port ports[]; }; struct ccci_header { __le32 packet_header; __le32 packet_len; __le32 status; __le32 ex_msg; }; /* Coupled with HW - indicates if there is data following the CCCI header or not */ #define CCCI_HEADER_NO_DATA 0xffffffff #define CCCI_H_AST_BIT BIT(31) #define CCCI_H_SEQ_FLD GENMASK(30, 16) #define CCCI_H_CHN_FLD GENMASK(15, 0) struct ctrl_msg_header { __le32 ctrl_msg_id; __le32 ex_msg; __le32 data_length; }; /* Control identification numbers for AP<->MD messages */ #define CTL_ID_HS1_MSG 0x0 #define CTL_ID_HS2_MSG 0x1 #define CTL_ID_HS3_MSG 0x2 #define CTL_ID_MD_EX 0x4 #define CTL_ID_DRV_VER_ERROR 0x5 #define CTL_ID_MD_EX_ACK 0x6 #define CTL_ID_MD_EX_PASS 0x8 #define CTL_ID_PORT_ENUM 0x9 /* Modem exception check identification code - "EXCP" */ #define MD_EX_CHK_ID 0x45584350 /* Modem exception check acknowledge identification code - "EREC" */ #define MD_EX_CHK_ACK_ID 0x45524543 #define PORT_INFO_RSRVD GENMASK(31, 16) #define PORT_INFO_ENFLG BIT(15) #define PORT_INFO_CH_ID GENMASK(14, 0) #define PORT_ENUM_VER 0 #define PORT_ENUM_HEAD_PATTERN 0x5a5a5a5a #define PORT_ENUM_TAIL_PATTERN 0xa5a5a5a5 #define PORT_ENUM_VER_MISMATCH 0x00657272 /* Port operations mapping */ extern struct port_ops wwan_sub_port_ops; extern struct port_ops ctl_port_ops; #ifdef CONFIG_WWAN_DEBUGFS extern struct port_ops t7xx_trace_port_ops; #endif void t7xx_port_proxy_reset(struct port_proxy *port_prox); void t7xx_port_proxy_uninit(struct port_proxy *port_prox); int t7xx_port_proxy_init(struct t7xx_modem *md); void t7xx_port_proxy_md_status_notify(struct port_proxy *port_prox, unsigned int state); int t7xx_port_enum_msg_handler(struct t7xx_modem *md, void *msg); int t7xx_port_proxy_chl_enable_disable(struct port_proxy *port_prox, unsigned int ch_id, bool en_flag); #endif /* __T7XX_PORT_PROXY_H__ */