diff options
Diffstat (limited to 'drivers/net/wwan/t7xx/t7xx_port_proxy.h')
| -rw-r--r-- | drivers/net/wwan/t7xx/t7xx_port_proxy.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/net/wwan/t7xx/t7xx_port_proxy.h b/drivers/net/wwan/t7xx/t7xx_port_proxy.h new file mode 100644 index 000000000..bc1ff5c6c --- /dev/null +++ b/drivers/net/wwan/t7xx/t7xx_port_proxy.h @@ -0,0 +1,98 @@ +/* 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; + +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__ */ |