iopreg.h revision 1.2.8.2
1 1.2.8.2 briggs /* $NetBSD: iopreg.h,v 1.2.8.2 1999/06/28 04:33:22 briggs Exp $ */ 2 1.2.8.2 briggs 3 1.2.8.2 briggs /* 4 1.2.8.2 briggs * Freely contributed to The NetBSD Foundation. 5 1.2.8.2 briggs * XXX - Do paperwork and put a proper copyright here. 6 1.2.8.2 briggs */ 7 1.2.8.2 briggs 8 1.2.8.2 briggs #include <sys/pool.h> 9 1.2.8.2 briggs #include <sys/queue.h> 10 1.2.8.2 briggs 11 1.2.8.2 briggs #define IOP1_BASE 0x00004000 12 1.2.8.2 briggs 13 1.2.8.2 briggs #define SCC_IOP 0 14 1.2.8.2 briggs #define ISM_IOP 1 15 1.2.8.2 briggs 16 1.2.8.2 briggs #define IOP_CS_BYPASS 0x01 17 1.2.8.2 briggs #define IOP_CS_AUTOINC 0x02 18 1.2.8.2 briggs #define IOP_CS_RUN 0x04 19 1.2.8.2 briggs #define IOP_CS_IRQ 0x08 20 1.2.8.2 briggs #define IOP_CS_INT0 0x10 21 1.2.8.2 briggs #define IOP_CS_INT1 0x20 22 1.2.8.2 briggs #define IOP_CS_HWINT 0x40 23 1.2.8.2 briggs #define IOP_CS_DMAINACT 0x80 24 1.2.8.2 briggs 25 1.2.8.2 briggs #define IOP_RESET (IOP_CS_DMAINACT | IOP_CS_AUTOINC) 26 1.2.8.2 briggs #define IOP_BYPASS \ 27 1.2.8.2 briggs (IOP_CS_BYPASS | IOP_CS_AUTOINC | IOP_CS_RUN | IOP_CS_DMAINACT) 28 1.2.8.2 briggs #define IOP_INTERRUPT (IOP_CS_INT0 | IOP_CS_INT1) 29 1.2.8.2 briggs 30 1.2.8.2 briggs #define OSS_INTLEVEL_OFFSET 0x0001A006 31 1.2.8.2 briggs 32 1.2.8.2 briggs typedef struct { 33 1.2.8.2 briggs volatile u_char ram_hi; 34 1.2.8.2 briggs u_char pad0; 35 1.2.8.2 briggs volatile u_char ram_lo; 36 1.2.8.2 briggs u_char pad1; 37 1.2.8.2 briggs volatile u_char control_status; 38 1.2.8.2 briggs u_char pad2[3]; 39 1.2.8.2 briggs volatile u_char data; 40 1.2.8.2 briggs u_char pad3[23]; 41 1.2.8.2 briggs union { 42 1.2.8.2 briggs struct { 43 1.2.8.2 briggs volatile u_char sccb_cmd; 44 1.2.8.2 briggs u_char pad0; 45 1.2.8.2 briggs volatile u_char scca_cmd; 46 1.2.8.2 briggs u_char pad1; 47 1.2.8.2 briggs volatile u_char sccb_data; 48 1.2.8.2 briggs u_char pad2; 49 1.2.8.2 briggs volatile u_char scca_data; 50 1.2.8.2 briggs u_char pad3; 51 1.2.8.2 briggs } scc; 52 1.2.8.2 briggs struct { 53 1.2.8.2 briggs volatile u_char wdata; 54 1.2.8.2 briggs u_char pad0; 55 1.2.8.2 briggs /* etc... */ 56 1.2.8.2 briggs } iwm; 57 1.2.8.2 briggs } bypass; 58 1.2.8.2 briggs } IOPHW; 59 1.2.8.2 briggs 60 1.2.8.2 briggs #define IOP_MAXCHAN 7 61 1.2.8.2 briggs #define IOP_MAXMSG 8 62 1.2.8.2 briggs #define IOP_MSGLEN 32 63 1.2.8.2 briggs #define IOP_MSGBUFLEN (IOP_MSGLEN * IOP_MAXCHAN) 64 1.2.8.2 briggs 65 1.2.8.2 briggs #define IOP_MSG_IDLE 0 /* idle */ 66 1.2.8.2 briggs #define IOP_MSG_NEW 1 /* new message sent */ 67 1.2.8.2 briggs #define IOP_MSG_RECEIVED 2 /* message received; processing */ 68 1.2.8.2 briggs #define IOP_MSG_COMPLETE 3 /* message processing complete */ 69 1.2.8.2 briggs 70 1.2.8.2 briggs #define IOP_ADDR_MAX_SEND_CHAN 0x200 71 1.2.8.2 briggs #define IOP_ADDR_SEND_STATE 0x201 72 1.2.8.2 briggs #define IOP_ADDR_PATCH_CTRL 0x21F 73 1.2.8.2 briggs #define IOP_ADDR_SEND_MSG 0x220 74 1.2.8.2 briggs #define IOP_ADDR_MAX_RECV_CHAN 0x300 75 1.2.8.2 briggs #define IOP_ADDR_RECV_STATE 0x301 76 1.2.8.2 briggs #define IOP_ADDR_ALIVE 0x31F 77 1.2.8.2 briggs #define IOP_ADDR_RECV_MSG 0x320 78 1.2.8.2 briggs 79 1.2.8.2 briggs typedef struct { 80 1.2.8.2 briggs u_char pad1[0x200]; 81 1.2.8.2 briggs u_char max_send_chan; /* maximum send channel # */ 82 1.2.8.2 briggs u_char send_state[IOP_MAXCHAN]; /* send channel states */ 83 1.2.8.2 briggs u_char pad2[23]; 84 1.2.8.2 briggs u_char patch_ctrl; /* patch control flag */ 85 1.2.8.2 briggs u_char send_msg[IOP_MSGBUFLEN]; /* send channel message data */ 86 1.2.8.2 briggs u_char max_recv_chan; /* max. receive channel # */ 87 1.2.8.2 briggs u_char recv_state[IOP_MAXCHAN]; /* receive channel states */ 88 1.2.8.2 briggs u_char pad3[23]; 89 1.2.8.2 briggs u_char alive; /* IOP alive flag */ 90 1.2.8.2 briggs u_char recv_msg[IOP_MSGBUFLEN]; /* receive channel msg data */ 91 1.2.8.2 briggs } IOPK; 92 1.2.8.2 briggs 93 1.2.8.2 briggs struct iop_msg; 94 1.2.8.2 briggs struct _s_IOP; 95 1.2.8.2 briggs 96 1.2.8.2 briggs typedef void (*iop_msg_handler)(struct _s_IOP *iop, struct iop_msg *); 97 1.2.8.2 briggs 98 1.2.8.2 briggs struct iop_msg { 99 1.2.8.2 briggs SIMPLEQ_ENTRY(iop_msg) iopm; 100 1.2.8.2 briggs int channel; 101 1.2.8.2 briggs int status; 102 1.2.8.2 briggs u_char msg[IOP_MSGLEN]; 103 1.2.8.2 briggs 104 1.2.8.2 briggs /* The routine that will handle the message */ 105 1.2.8.2 briggs iop_msg_handler handler; 106 1.2.8.2 briggs void *user_data; 107 1.2.8.2 briggs }; 108 1.2.8.2 briggs 109 1.2.8.2 briggs #define IOP_MSGSTAT_IDLE 0 /* Message unused (invalid) */ 110 1.2.8.2 briggs #define IOP_MSGSTAT_QUEUED 1 /* Message queued for send */ 111 1.2.8.2 briggs #define IOP_MSGSTAT_SENDING 2 /* Message on IOP */ 112 1.2.8.2 briggs #define IOP_MSGSTAT_SENT 3 /* Message complete */ 113 1.2.8.2 briggs #define IOP_MSGSTAT_RECEIVING 4 /* Top of receive queue */ 114 1.2.8.2 briggs #define IOP_MSGSTAT_RECEIVED 5 /* Msg received */ 115 1.2.8.2 briggs #define IOP_MSGSTAT_UNEXPECTED 6 /* Unexpected msg received */ 116 1.2.8.2 briggs 117 1.2.8.2 briggs typedef struct _s_IOP { 118 1.2.8.2 briggs IOPHW *iop; 119 1.2.8.2 briggs struct pool pool; 120 1.2.8.2 briggs SIMPLEQ_HEAD(, iop_msg) sendq[IOP_MAXCHAN]; 121 1.2.8.2 briggs SIMPLEQ_HEAD(, iop_msg) recvq[IOP_MAXCHAN]; 122 1.2.8.2 briggs iop_msg_handler listeners[IOP_MAXCHAN]; 123 1.2.8.2 briggs void *listener_data[IOP_MAXCHAN]; 124 1.2.8.2 briggs struct iop_msg unsolicited_msg; 125 1.2.8.2 briggs } IOP; 126 1.2.8.2 briggs 127 1.2.8.2 briggs #define IOP_LOADADDR(ioph,addr) (ioph->ram_lo = addr & 0xff, \ 128 1.2.8.2 briggs ioph->ram_hi = (addr >> 8) & 0xff) 129 1.2.8.2 briggs 130 1.2.8.2 briggs void iop_init __P((int fullinit)); 131 1.2.8.2 briggs void iop_upload __P((int iop, u_char *mem, u_long nb, u_long iopbase)); 132 1.2.8.2 briggs void iop_download __P((int iop, u_char *mem, u_long nb, u_long iopbase)); 133 1.2.8.2 briggs int iop_send_msg __P((int iopn, int chan, u_char *msg, int msglen, 134 1.2.8.2 briggs iop_msg_handler handler, void *udata)); 135 1.2.8.2 briggs int iop_queue_receipt __P((int iopn, int chan, iop_msg_handler handler, 136 1.2.8.2 briggs void *user_data)); 137 1.2.8.2 briggs int iop_register_listener __P((int iopn, int chan, iop_msg_handler handler, 138 1.2.8.2 briggs void *user_data)); 139 1.2.8.2 briggs 140 1.2.8.2 briggs /* ADB support */ 141 1.2.8.2 briggs #define IOP_CHAN_ADB 2 142 1.2.8.2 briggs 143 1.2.8.2 briggs #define IOP_ADB_FL_EXPLICIT 0x80 /* Non-zero if explicit command */ 144 1.2.8.2 briggs #define IOP_ADB_FL_AUTOPOLL 0x40 /* Auto/SRQ polling enabled */ 145 1.2.8.2 briggs #define IOP_ADB_FL_SRQ 0x04 /* SRQ detected */ 146 1.2.8.2 briggs #define IOP_ADB_FL_TIMEOUT 0x02 /* Non-zero if timeout */ 147 1.2.8.2 briggs 148 1.2.8.2 briggs /* 149 1.2.8.2 briggs * The structure of an ADB packet to/from the IOP is: 150 1.2.8.2 briggs * Flag byte (values above) 151 1.2.8.2 briggs * Count of bytes in data 152 1.2.8.2 briggs * Command byte 153 1.2.8.2 briggs * Data (optional) 154 1.2.8.2 briggs */ 155
Indexes created Tue Oct 28 02:10:10 GMT 2025