Sjur Braendeland | 09009f3 | 2010-03-30 13:56:21 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) ST-Ericsson AB 2010 |
| 3 | * Author: Sjur Brendeland/sjur.brandeland@stericsson.com |
| 4 | * License terms: GNU General Public License (GPL) version 2 |
| 5 | */ |
| 6 | |
| 7 | #ifndef CFCTRL_H_ |
| 8 | #define CFCTRL_H_ |
| 9 | #include <net/caif/caif_layer.h> |
| 10 | #include <net/caif/cfsrvl.h> |
| 11 | |
| 12 | /* CAIF Control packet commands */ |
| 13 | enum cfctrl_cmd { |
| 14 | CFCTRL_CMD_LINK_SETUP = 0, |
| 15 | CFCTRL_CMD_LINK_DESTROY = 1, |
| 16 | CFCTRL_CMD_LINK_ERR = 2, |
| 17 | CFCTRL_CMD_ENUM = 3, |
| 18 | CFCTRL_CMD_SLEEP = 4, |
| 19 | CFCTRL_CMD_WAKE = 5, |
| 20 | CFCTRL_CMD_LINK_RECONF = 6, |
| 21 | CFCTRL_CMD_START_REASON = 7, |
| 22 | CFCTRL_CMD_RADIO_SET = 8, |
| 23 | CFCTRL_CMD_MODEM_SET = 9, |
| 24 | CFCTRL_CMD_MASK = 0xf |
| 25 | }; |
| 26 | |
| 27 | /* Channel types */ |
| 28 | enum cfctrl_srv { |
| 29 | CFCTRL_SRV_DECM = 0, |
| 30 | CFCTRL_SRV_VEI = 1, |
| 31 | CFCTRL_SRV_VIDEO = 2, |
| 32 | CFCTRL_SRV_DBG = 3, |
| 33 | CFCTRL_SRV_DATAGRAM = 4, |
| 34 | CFCTRL_SRV_RFM = 5, |
| 35 | CFCTRL_SRV_UTIL = 6, |
| 36 | CFCTRL_SRV_MASK = 0xf |
| 37 | }; |
| 38 | |
| 39 | #define CFCTRL_RSP_BIT 0x20 |
| 40 | #define CFCTRL_ERR_BIT 0x10 |
| 41 | |
| 42 | struct cfctrl_rsp { |
| 43 | void (*linksetup_rsp)(struct cflayer *layer, u8 linkid, |
| 44 | enum cfctrl_srv serv, u8 phyid, |
| 45 | struct cflayer *adapt_layer); |
Sjur Braendeland | 8d545c8 | 2010-04-28 08:54:37 +0000 | [diff] [blame] | 46 | void (*linkdestroy_rsp)(struct cflayer *layer, u8 linkid); |
Sjur Braendeland | 09009f3 | 2010-03-30 13:56:21 +0000 | [diff] [blame] | 47 | void (*linkerror_ind)(void); |
| 48 | void (*enum_rsp)(void); |
| 49 | void (*sleep_rsp)(void); |
| 50 | void (*wake_rsp)(void); |
| 51 | void (*restart_rsp)(void); |
| 52 | void (*radioset_rsp)(void); |
| 53 | void (*reject_rsp)(struct cflayer *layer, u8 linkid, |
Joe Perches | d577f1c | 2010-11-14 17:04:58 +0000 | [diff] [blame] | 54 | struct cflayer *client_layer); |
Sjur Braendeland | 09009f3 | 2010-03-30 13:56:21 +0000 | [diff] [blame] | 55 | }; |
| 56 | |
| 57 | /* Link Setup Parameters for CAIF-Links. */ |
| 58 | struct cfctrl_link_param { |
| 59 | enum cfctrl_srv linktype;/* (T3,T0) Type of Channel */ |
| 60 | u8 priority; /* (P4,P0) Priority of the channel */ |
| 61 | u8 phyid; /* (U2-U0) Physical interface to connect */ |
| 62 | u8 endpoint; /* (E1,E0) Endpoint for data channels */ |
| 63 | u8 chtype; /* (H1,H0) Channel-Type, applies to |
| 64 | * VEI, DEBUG */ |
| 65 | union { |
| 66 | struct { |
| 67 | u8 connid; /* (D7,D0) Video LinkId */ |
| 68 | } video; |
| 69 | |
| 70 | struct { |
| 71 | u32 connid; /* (N31,Ngit0) Connection ID used |
| 72 | * for Datagram */ |
| 73 | } datagram; |
| 74 | |
| 75 | struct { |
| 76 | u32 connid; /* Connection ID used for RFM */ |
| 77 | char volume[20]; /* Volume to mount for RFM */ |
| 78 | } rfm; /* Configuration for RFM */ |
| 79 | |
| 80 | struct { |
| 81 | u16 fifosize_kb; /* Psock FIFO size in KB */ |
| 82 | u16 fifosize_bufs; /* Psock # signal buffers */ |
| 83 | char name[16]; /* Name of the PSOCK service */ |
| 84 | u8 params[255]; /* Link setup Parameters> */ |
| 85 | u16 paramlen; /* Length of Link Setup |
| 86 | * Parameters */ |
| 87 | } utility; /* Configuration for Utility Links (Psock) */ |
| 88 | } u; |
| 89 | }; |
| 90 | |
| 91 | /* This structure is used internally in CFCTRL */ |
| 92 | struct cfctrl_request_info { |
| 93 | int sequence_no; |
| 94 | enum cfctrl_cmd cmd; |
| 95 | u8 channel_id; |
| 96 | struct cfctrl_link_param param; |
Sjur Braendeland | 09009f3 | 2010-03-30 13:56:21 +0000 | [diff] [blame] | 97 | struct cflayer *client_layer; |
Sjur Braendeland | 7aecf49 | 2010-05-21 02:16:08 +0000 | [diff] [blame] | 98 | struct list_head list; |
Sjur Braendeland | 09009f3 | 2010-03-30 13:56:21 +0000 | [diff] [blame] | 99 | }; |
| 100 | |
| 101 | struct cfctrl { |
| 102 | struct cfsrvl serv; |
| 103 | struct cfctrl_rsp res; |
| 104 | atomic_t req_seq_no; |
| 105 | atomic_t rsp_seq_no; |
Sjur Braendeland | 7aecf49 | 2010-05-21 02:16:08 +0000 | [diff] [blame] | 106 | struct list_head list; |
Sjur Braendeland | 09009f3 | 2010-03-30 13:56:21 +0000 | [diff] [blame] | 107 | /* Protects from simultaneous access to first_req list */ |
| 108 | spinlock_t info_list_lock; |
| 109 | #ifndef CAIF_NO_LOOP |
| 110 | u8 loop_linkid; |
| 111 | int loop_linkused[256]; |
| 112 | /* Protects simultaneous access to loop_linkid and loop_linkused */ |
| 113 | spinlock_t loop_linkid_lock; |
| 114 | #endif |
| 115 | |
| 116 | }; |
| 117 | |
| 118 | void cfctrl_enum_req(struct cflayer *cfctrl, u8 physlinkid); |
Sjur Braendeland | 8d545c8 | 2010-04-28 08:54:37 +0000 | [diff] [blame] | 119 | int cfctrl_linkup_request(struct cflayer *cfctrl, |
Sjur Braendeland | 09009f3 | 2010-03-30 13:56:21 +0000 | [diff] [blame] | 120 | struct cfctrl_link_param *param, |
| 121 | struct cflayer *user_layer); |
| 122 | int cfctrl_linkdown_req(struct cflayer *cfctrl, u8 linkid, |
| 123 | struct cflayer *client); |
Stephen Hemminger | 73d6ac6 | 2011-04-11 10:43:50 +0000 | [diff] [blame] | 124 | |
Sjur Braendeland | 09009f3 | 2010-03-30 13:56:21 +0000 | [diff] [blame] | 125 | struct cflayer *cfctrl_create(void); |
Sjur Braendeland | 09009f3 | 2010-03-30 13:56:21 +0000 | [diff] [blame] | 126 | struct cfctrl_rsp *cfctrl_get_respfuncs(struct cflayer *layer); |
sjur.brandeland@stericsson.com | c85c295 | 2011-05-13 02:44:06 +0000 | [diff] [blame^] | 127 | int cfctrl_cancel_req(struct cflayer *layr, struct cflayer *adap_layer); |
| 128 | void cfctrl_remove(struct cflayer *layr); |
Sjur Braendeland | 8d545c8 | 2010-04-28 08:54:37 +0000 | [diff] [blame] | 129 | |
Sjur Braendeland | 09009f3 | 2010-03-30 13:56:21 +0000 | [diff] [blame] | 130 | #endif /* CFCTRL_H_ */ |