X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fkeyboard.c;h=73bd992aeb78ff66e648c3f15de6e7a836a80c82;hb=101529b6eae500272347287df43ec51aa003d0aa;hp=63ff15667f767769655c5cbfd3a19924451d443b;hpb=a6d96ef32940e95ae77dcf0fe415039703681a6f;p=palacios.git diff --git a/palacios/src/devices/keyboard.c b/palacios/src/devices/keyboard.c index 63ff156..73bd992 100644 --- a/palacios/src/devices/keyboard.c +++ b/palacios/src/devices/keyboard.c @@ -1,18 +1,20 @@ +/* (c) 2008, Peter Dinda */ +/* (c) 2008, The V3VEE Project */ + #include #include #include #include -#define KEYBOARD_DEBUG 1 - -#define KEYBOARD_DEBUG_80H 1 -#if KEYBOARD_DEBUG -#define KEYBOARD_DEBUG_PRINT(first, rest...) PrintDebug(first, ##rest) -#else -#define KEYBOARD_DEBUG_PRINT(first, rest...) +#ifndef DEBUG_KEYBOARD +#undef PrintDebug +#define PrintDebug(fmt, args...) #endif +#define KEYBOARD_DEBUG_80H 0 + + #define KEYBOARD_60H 0x60 // keyboard microcontroller #define KEYBOARD_64H 0x64 // onboard microcontroller @@ -20,6 +22,7 @@ #define KEYBOARD_DELAY_80H 0x80 // written for timing #define KEYBOARD_IRQ 0x1 +#define MOUSE_IRQ 0xc // extract bits for status byte @@ -43,8 +46,47 @@ #define CMD_SCANCODE_XLATE 0x40 // 1=translate to set 1 scancodes #define CMD_RESERVED 0x80 // should be zero +// bits for the output port + + +#define OUTPUT_RESET 0x01 // System reset on 0 +#define OUTPUT_A20 0x02 // A20 gate (1= A20 is gated) +#define OUTPUT_RES1 0x04 // reserved +#define OUTPUT_RES2 0x08 // reserved +#define OUTPUT_OUTPUT_FULL 0x10 // output buffer full +#define OUTPUT_INPUT_EMPTY 0x20 // input buffer empty +#define OUTPUT_KBD_CLOCK 0x40 // keyboard clock (?) +#define OUTPUT_KBD_DATA 0x80 // keyboard data + +// bits for the input port + +#define INPUT_RES0 0x01 // reserved +#define INPUT_RES1 0x02 // reserved +#define INPUT_RES2 0x04 // reserved +#define INPUT_RES3 0x08 // reserved +#define INPUT_RAM 0x10 // set to 1 if RAM exists? +#define INPUT_JUMPER 0x20 // manufacturing jumper? +#define INPUT_DISPLAY 0x40 // 0=color, 1=mono +#define INPUT_KBD_INHIBIT 0x80 // 1=inhibit keyboard ? + + +// for queue operations +#define QUEUE 0 +#define OVERWRITE 1 + +// for queue operations - whether it's data or cmd waiting on 60h +#define DATA 0 +#define COMMAND 1 + +// for queue operations - whether this is keyboard or mouse data on 60h +#define KEYBOARD 0 +#define MOUSE 1 + + // The currently targetted keyboard -static struct vm_device *thekeyboard = NULL; +static struct vm_device * thekeyboard = NULL; + +//#define QUEUE_SIZE 32 struct keyboard_internal { @@ -72,27 +114,84 @@ struct keyboard_internal { // after recieving 0xa5 // password arrives on data port, null terminated TRANSMIT_PASSWD, - // after receiving 0xd1 - // keyboard uC output will arrive - WRITE_OUTPUT, // after having reset sent to 0x60 // we immediately ack, and then // push BAT success (0xaa) after the ack RESET, + // after having a d1 sent to 64 + // we wait for a new output byte on 60 + WRITING_OUTPUT_PORT, + // after having a d2 sent to 64 + // we wait for a new output byte on 60 + // then make it available as a keystroke + INJECTING_KEY, + // after having a d3 sent to 64 + // we wait for a new output byte on 60 + // then make it available as a mouse event + INJECTING_MOUSE, + // after having a d4 sent to 64 + // we wait for a new output byte on 60 + // then send it to the mouse + IN_MOUSE, } state; - + enum { + // after receiving a mouse command 0f 0xff + // we return the ack and then the next thing will be the + // bat code (aa - success) + RESET1, + // followed by the device id (00 - mouse) + RESET2, + // Then it goes into stream mode + STREAM1, // + STREAM2, // + STREAM3, // for each of the following bytes in mouse_packet + // this is used for setting sample rate + SAMPLE1, + // this is used for getting device id + DEVICE1, + // just like the stream moes + REMOTE1, + REMOTE2, + REMOTE3, + // For getting status info + STATUS1, + STATUS2, + STATUS3, + // set resolution + SETRES1, + } mouse_state; + + + uchar_t wrap; + uchar_t mouse_packet[3]; // byte 1: y over, xover, y sign, x sign, 1, middle, right, left + // byte 2: x movement + // byte 3: y movement + + uchar_t mouse_needs_ack; // + uchar_t mouse_done_after_ack; + uchar_t cmd_byte; // for keyboard uC - read/written // via read/write cmd byte command uchar_t status_byte; // for on-board uC - read via 64h + uchar_t output_byte; // output port of onboard uC (e.g. A20) + + uchar_t input_byte; // input port of onboard uC + // Data for 8042 uchar_t input_queue; // uint_t input_queue_len; // + //uint_t input_queue_read; + //uint_t input_queue_write; // Data for system uchar_t output_queue; // uint_t output_queue_len; // + //uint_t output_queue_read; + //uint_t output_queue_write; + + }; @@ -100,19 +199,33 @@ struct keyboard_internal { // push item onto outputqueue, optionally overwriting if there is no room // returns 0 if successful // -static int PushToOutputQueue(struct vm_device *dev, uchar_t value, uchar_t overwrite) +static int PushToOutputQueue(struct vm_device * dev, uchar_t value, uchar_t overwrite, uchar_t cmd, uchar_t mouse) { struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data); if ((state->output_queue_len == 0) || overwrite) { - + state->output_queue = value; state->output_queue_len = 1; - state->status_byte |= STATUS_OUTPUT_BUFFER_FULL; + + if (cmd) { + state->status_byte |= STATUS_COMMAND_DATA_AVAIL; + } else { + state->status_byte &= ~STATUS_COMMAND_DATA_AVAIL; + } + + if (mouse) { + state->status_byte |= STATUS_MOUSE_BUFFER_FULL; + } + { + state->status_byte |= STATUS_OUTPUT_BUFFER_FULL; + } + return 0; + } else { - KEYBOARD_DEBUG_PRINT("keyboard: PushToOutputQueue Failed - Queue Full\n"); + PrintError("keyboard: PushToOutputQueue Failed - Queue Full\n"); return -1; } } @@ -122,19 +235,31 @@ static int PushToOutputQueue(struct vm_device *dev, uchar_t value, uchar_t overw // pull item from outputqueue // returns 0 if successful // -static int PullFromOutputQueue(struct vm_device *dev, uchar_t *value) +static int PullFromOutputQueue(struct vm_device * dev, uchar_t * value) { struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data); - if (state->output_queue_len == 1) { + if (1 || (state->output_queue_len == 1)) { *value = state->output_queue; state->output_queue_len = 0; - state->status_byte &= ~STATUS_OUTPUT_BUFFER_FULL; - + + if (state->status_byte & STATUS_OUTPUT_BUFFER_FULL) { + state->status_byte &= ~STATUS_OUTPUT_BUFFER_FULL; + } + + if (state->status_byte & STATUS_MOUSE_BUFFER_FULL) { + state->status_byte &= ~STATUS_MOUSE_BUFFER_FULL; + } + + if (state->status_byte & STATUS_COMMAND_DATA_AVAIL) { + state->status_byte &= ~STATUS_COMMAND_DATA_AVAIL; + } // reset to data + + return 0; } else { - KEYBOARD_DEBUG_PRINT("keyboard: PullFromOutputQueue Failed - Queue Empty\n"); + PrintError("keyboard: PullFromOutputQueue Failed - Queue Empty\n"); return -1; } } @@ -145,7 +270,7 @@ static int PullFromOutputQueue(struct vm_device *dev, uchar_t *value) // push item onto inputqueue, optionally overwriting if there is no room // returns 0 if successful // -static int PushToInputQueue(struct vm_device *dev, uchar_t value, uchar_t overwrite) +static int PushToInputQueue(struct vm_device * dev, uchar_t value, uchar_t overwrite) { struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data); @@ -157,7 +282,7 @@ static int PushToInputQueue(struct vm_device *dev, uchar_t value, uchar_t overwr return 0; } else { - KEYBOARD_DEBUG_PRINT("keyboard: PushToOutputQueue Failed - Queue Full\n"); + PrintError("keyboard: PushToOutputQueue Failed - Queue Full\n"); return -1; } } @@ -168,7 +293,7 @@ static int PushToInputQueue(struct vm_device *dev, uchar_t value, uchar_t overwr // static int PullFromInputQueue(struct vm_device *dev, uchar_t *value) { - struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data); + struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data); if (state->input_queue_len == 1) { @@ -178,8 +303,7 @@ static int PullFromInputQueue(struct vm_device *dev, uchar_t *value) return 0; } else { - KEYBOARD_DEBUG_PRINT("keyboard: PullFromInputQueue Failed - Queue Empty\n"); - + PrintError("keyboard: PullFromInputQueue Failed - Queue Empty\n"); return -1; } } @@ -192,6 +316,12 @@ static struct vm_device *demultiplex_injected_key(uchar_t status, uchar_t scanco return thekeyboard; } +static struct vm_device *demultiplex_injected_mouse(uchar_t mouse_packet[3]) +{ + // this currently does nothing + return thekeyboard; +} + int keyboard_interrupt(uint_t irq, struct vm_device * dev); void deliver_key_to_vmm(uchar_t status, uchar_t scancode) @@ -199,12 +329,12 @@ void deliver_key_to_vmm(uchar_t status, uchar_t scancode) struct vm_device *dev = demultiplex_injected_key(status, scancode); struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data); - KEYBOARD_DEBUG_PRINT("keyboard: injected status 0x%x, and scancode 0x%x\n", status, scancode); + PrintDebug("keyboard: injected status 0x%x, and scancode 0x%x\n", status, scancode); if ( (state->status_byte & STATUS_ENABLED) // onboard is enabled && (!(state->cmd_byte & CMD_DISABLE)) ) { // keyboard is enabled - PushToOutputQueue(dev, scancode, 1); + PushToOutputQueue(dev, scancode, OVERWRITE, DATA, KEYBOARD); if (state->cmd_byte & CMD_INTR) { keyboard_interrupt(KEYBOARD_IRQ, dev); @@ -213,24 +343,63 @@ void deliver_key_to_vmm(uchar_t status, uchar_t scancode) } } + +void deliver_mouse_to_vmm(uchar_t data[3]) +{ + struct vm_device * dev = demultiplex_injected_mouse(data); + struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data); + + PrintDebug("keyboard: injected mouse packet 0x %x %x %x\n", + data[0], data[1], data[2]); + + memcpy(state->mouse_packet, data, 3); + + state->status_byte |= STATUS_MOUSE_BUFFER_FULL; + + + switch (state->mouse_state) { + case STREAM1: + case STREAM2: + case STREAM3: + if (!(state->cmd_byte & CMD_MOUSE_DISABLE)) { + keyboard_interrupt(MOUSE_IRQ, dev); + } + break; + default: + break; + } + +} + + int keyboard_reset_device(struct vm_device * dev) { struct keyboard_internal *data = (struct keyboard_internal *)(dev->private_data); memset(data, 0, sizeof(struct keyboard_internal)); - data->cmd_byte = - CMD_INTR // interrupts on + data->state = NORMAL; + data->mouse_state = STREAM1; + + data->cmd_byte = + CMD_INTR // interrupts on | CMD_MOUSE_INTR // mouse interupts on | CMD_SYSTEM ; // self test passed // PS2, keyboard+mouse enabled, generic translation data->status_byte = - STATUS_SYSTEM // self-tests passed + STATUS_SYSTEM // self-tests passed | STATUS_ENABLED ; // keyboard ready // buffers empty, no errors - KEYBOARD_DEBUG_PRINT("keyboard: reset device\n"); + data->output_byte = 0; // ? + + data->input_byte = INPUT_RAM; // we have some + // also display=color, jumper 0, keyboard enabled + + + + PrintDebug("keyboard: reset device\n"); return 0; @@ -240,18 +409,323 @@ int keyboard_reset_device(struct vm_device * dev) int keyboard_start_device(struct vm_device *dev) { - KEYBOARD_DEBUG_PRINT("keyboard: start device\n"); + PrintDebug("keyboard: start device\n"); return 0; } int keyboard_stop_device(struct vm_device *dev) { - KEYBOARD_DEBUG_PRINT("keyboard: stop device\n"); + PrintDebug("keyboard: stop device\n"); return 0; } +int mouse_read_input(struct vm_device *dev) +{ + struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data); + + if (state->mouse_needs_ack) { + state->mouse_needs_ack = 0; + + // the ack has been stuffed previously + if (state->mouse_done_after_ack) { + return 1; + } else { + return 0; + } + } + + switch (state->mouse_state) { + + case RESET1: // requesting the BAT code + PushToOutputQueue(dev, 0xaa, OVERWRITE, DATA, MOUSE) ; // BAT successful + PrintDebug(" mouse sent BAT code (sucesssful) "); + state->mouse_state = RESET2; + + return 0; // not done with mouse processing yet + break; + + case RESET2: // requesting the device id + PushToOutputQueue(dev, 0x00, OVERWRITE, DATA, MOUSE) ; // normal mouse type + PrintDebug(" mouse sent device id "); + state->mouse_state = STREAM1; + + return 1; // done with mouse processing + break; + + case STREAM1: // send data + PushToOutputQueue(dev, state->mouse_packet[0], OVERWRITE, DATA, MOUSE); + PrintDebug(" mouse sent stream data1 "); + state->mouse_state = STREAM2; + + return 0; + break; + + case STREAM2: // send data + PushToOutputQueue(dev, state->mouse_packet[1], OVERWRITE, DATA, MOUSE); + PrintDebug(" mouse sent stream data2 "); + state->mouse_state = STREAM3; + + return 0; + break; + + case STREAM3: // send data + PushToOutputQueue(dev, state->mouse_packet[2], OVERWRITE, DATA, MOUSE); + PrintDebug(" mouse sent stream data3 "); + state->mouse_state = STREAM1; + + return 1; // now done + break; + + case REMOTE1: // send data + PushToOutputQueue(dev, state->mouse_packet[0], OVERWRITE, DATA, MOUSE); + PrintDebug(" mouse sent remote data1 "); + state->mouse_state = REMOTE2; + + return 0; + break; + + case REMOTE2: // send data + PushToOutputQueue(dev, state->mouse_packet[1], OVERWRITE, DATA, MOUSE); + PrintDebug(" mouse sent remote data2 "); + state->mouse_state = REMOTE3; + + return 0; + break; + + case REMOTE3: // send data + PushToOutputQueue(dev, state->mouse_packet[2], OVERWRITE, DATA, MOUSE); + PrintDebug(" mouse sent remote data3 "); + state->mouse_state = REMOTE1; + + return 1; // now done + break; + + case STATUS1: // send data + PushToOutputQueue(dev, 0x0, OVERWRITE, DATA, MOUSE); + PrintDebug(" mouse sent status data1 "); + state->mouse_state = STATUS2; + + return 0; + break; + + case STATUS2: // send data + PushToOutputQueue(dev, 0x0, OVERWRITE, DATA, MOUSE); + PrintDebug(" mouse sent status data2 "); + state->mouse_state = STATUS3; + + return 0; + break; + + case STATUS3: // send data + PushToOutputQueue(dev, 0x0, OVERWRITE, DATA, MOUSE); + PrintDebug(" mouse sent status data3 "); + state->mouse_state = STREAM1; + + return 1; // now done + break; + + case DEVICE1: // send device id + PushToOutputQueue(dev, 0x0, OVERWRITE, DATA, MOUSE); + PrintDebug(" mouse sent device id "); + state->mouse_state = STREAM1; + + return 1; // now done + break; + + default: + PrintDebug(" mouse has no data "); + return 1; // done + break; + } +} + +int mouse_write_output(struct vm_device * dev, uchar_t data) +{ + struct keyboard_internal * state = (struct keyboard_internal *)(dev->private_data); + + switch (state->mouse_state) { + case STREAM1: + case STREAM2: + case STREAM3: + case REMOTE1: + case REMOTE2: + case REMOTE3: + switch (data) { + + case 0xff: //reset + PushToOutputQueue(dev, 0xfe, OVERWRITE, DATA, MOUSE) ; // no mouse! + PrintDebug(" mouse reset begins (no mouse) "); + + return 1; // not done; + break; + + /* + case 0xff: //reset + PushToOutputQueue(dev,0xfa,OVERWRITE,DATA,MOUSE) ; + PrintDebug(" mouse reset begins "); + state->mouse_done_after_ack=0; + state->mouse_needs_ack=1; + state->mouse_state=RESET1; + return 0; // not done; + break; + */ + case 0xfe: //resend + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + PrintDebug(" mouse resend begins "); + state->mouse_done_after_ack = 0; + state->mouse_needs_ack = 0; + state->mouse_state = STREAM1; + return 0; // not done + break; + + case 0xf6: // set defaults + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + PrintDebug(" mouse set defaults "); + state->mouse_done_after_ack = 1; + state->mouse_needs_ack = 1; + state->mouse_state = STREAM1; + return 0; // not done + break; + + case 0xf5: // disable data reporting + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 1; + state->mouse_needs_ack = 1; + PrintDebug(" mouse disable data reporting "); + state->mouse_state = STREAM1; + return 0; // not done + break; + + case 0xf4: // enable data reporting + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 1; + state->mouse_needs_ack = 1; + PrintDebug(" mouse enable data reporting "); + state->mouse_state = STREAM1; + return 0; // not done + break; + + case 0xf3: // set sample rate + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 0; + state->mouse_needs_ack = 1; + PrintDebug(" mouse set sample rate begins "); + state->mouse_state = SAMPLE1; + return 0; // not done + break; + + case 0xf2: // get device id + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 0; + state->mouse_needs_ack = 1; + PrintDebug(" mouse get device id begins "); + state->mouse_state = DEVICE1; + return 0; // not done + break; + + case 0xf0: // set remote mode + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 1; + state->mouse_needs_ack = 1; + PrintDebug(" mouse set remote mode "); + state->mouse_state = REMOTE1; + return 0; // not done + break; + + case 0xee: // set wrap mode + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 1; + state->mouse_needs_ack = 1; + PrintDebug(" mouse set wrap mode (ignored) "); + state->mouse_state = STREAM1; + return 0; // not done + break; + + case 0xec: // reset wrap mode + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 1; + state->mouse_needs_ack = 1; + PrintDebug(" mouse reset wrap mode (ignored) "); + state->mouse_state = STREAM1; + return 0; // done + break; + + case 0xeb: // read data + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 0; + state->mouse_needs_ack = 1; + PrintDebug(" mouse switch to wrap mode (ignored) "); + state->mouse_state = REMOTE1; + return 0; // not done + break; + + case 0xea: // set stream mode + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 1; + state->mouse_needs_ack = 1; + PrintDebug(" mouse set stream mode "); + state->mouse_state = STREAM1; + return 0; // not done + break; + + case 0xe9: // status request + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 0; + state->mouse_needs_ack = 1; + PrintDebug(" mouse status request begins "); + state->mouse_state = STATUS1; + return 0; // notdone + break; + + case 0xe8: // set resolution + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 0; + state->mouse_needs_ack = 1; + PrintDebug(" mouse set resolution begins "); + state->mouse_state = SETRES1; + return 0; // notdone + break; + + case 0xe7: // set scaling 2:1 + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 1; + state->mouse_needs_ack = 1; + PrintDebug(" mouse set scaling 2:1 "); + state->mouse_state = STREAM1; + return 0; // not done + break; + + case 0xe6: // set scaling 1:1 + PushToOutputQueue(dev, 0xfa, OVERWRITE, DATA, MOUSE) ; + state->mouse_done_after_ack = 1; + state->mouse_needs_ack = 1; + PrintDebug(" mouse set scaling 1:1 "); + state->mouse_state = STREAM1; + return 0; // done + break; + + default: + PrintDebug(" receiving unknown mouse command (0x%x) in acceptable state ", data); + return 1; // done + break; + + } + + default: + PrintDebug(" receiving mouse output in unhandled state (0x%x) ", state->mouse_state); + break; + return 1; // done? + break; + } + + PrintDebug(" HUH? "); + return 1; // done +} + + + #if KEYBOARD_DEBUG_80H int keyboard_write_delay(ushort_t port, void * src, @@ -260,11 +734,11 @@ int keyboard_write_delay(ushort_t port, { if (length == 1) { - KEYBOARD_DEBUG_PRINT("keyboard: write of 0x%x to 80h\n", *((uchar_t*)src)); + PrintDebug("keyboard: write of 0x%x to 80h\n", *((uchar_t*)src)); return 1; } else { - KEYBOARD_DEBUG_PRINT("keyboard: write of >1 byte to 80h\n", *((uchar_t*)src)); + PrintDebug("keyboard: write of >1 byte to 80h\n", *((uchar_t*)src)); return length; } @@ -279,11 +753,11 @@ int keyboard_read_delay(ushort_t port, if (length == 1) { *((uchar_t*)dest) = In_Byte(port); - KEYBOARD_DEBUG_PRINT("keyboard: read of 0x%x from 80h\n", *((uchar_t*)dest)); + PrintDebug("keyboard: read of 0x%x from 80h\n", *((uchar_t*)dest)); return 1; } else { - KEYBOARD_DEBUG_PRINT("keyboard: read of >1 byte from 80h\n"); + PrintDebug("keyboard: read of >1 byte from 80h\n"); return length; } @@ -305,44 +779,49 @@ int keyboard_write_command(ushort_t port, // Should always be single byte write if (length != 1) { - KEYBOARD_DEBUG_PRINT("keyboard: write of >1 bytes (%d) to 64h\n", length); + PrintError("keyboard: write of >1 bytes (%d) to 64h\n", length); return -1; } cmd = *((uchar_t*)src); if (state->state != NORMAL) { - KEYBOARD_DEBUG_PRINT("keyboard: warning - receiving command on 64h but state != NORMAL\n"); + PrintDebug("keyboard: warning - receiving command on 64h but state != NORMAL\n"); } - KEYBOARD_DEBUG_PRINT("keyboard: command 0x%x on 64h\n", cmd); + PrintDebug("keyboard: command 0x%x on 64h\n", cmd); switch (cmd) { case 0x20: // READ COMMAND BYTE (returned in 60h) - PushToOutputQueue(dev, state->cmd_byte, 1); + PushToOutputQueue(dev, state->cmd_byte, OVERWRITE, COMMAND,KEYBOARD); state->state = NORMAL; // the next read on 0x60 will get the right data + PrintDebug("keyboard: command byte 0x%x returned\n", state->cmd_byte); break; case 0x60: // WRITE COMMAND BYTE (read from 60h) state->state = WRITING_CMD_BYTE; // we need to make sure we send the next 0x60 byte appropriately + PrintDebug("keyboard: prepare to write command byte\n"); break; // case 0x90-9f - write to output port (?) case 0xa1: // Get version number - PushToOutputQueue(dev, 0, 1); + PushToOutputQueue(dev, 0, OVERWRITE, COMMAND, KEYBOARD); state->state = NORMAL; + PrintDebug("keyboard: version number 0x0 returned\n"); break; case 0xa4: // is password installed? send result to 0x60 // we don't support passwords - PushToOutputQueue(dev, 0xf1, 1); + PushToOutputQueue(dev, 0xf1, OVERWRITE, COMMAND, KEYBOARD); + PrintDebug("keyboard: password not installed\n"); state->state = NORMAL; break; case 0xa5: // new password will arrive on 0x60 state->state = TRANSMIT_PASSWD; + PrintDebug("keyboard: pepare to transmit password\n"); break; case 0xa6: // check passwd; @@ -350,74 +829,117 @@ int keyboard_write_command(ushort_t port, // the implication is that any password check immediately succeeds // with a blank password state->state = NORMAL; + PrintDebug("keyboard: password check succeeded\n"); break; case 0xa7: // disable mouse state->cmd_byte |= CMD_MOUSE_DISABLE; state->state = NORMAL; + PrintDebug("keyboard: mouse disabled\n"); break; case 0xa8: // enable mouse state->cmd_byte &= ~CMD_MOUSE_DISABLE; state->state = NORMAL; + PrintDebug("keyboard: mouse enabled\n"); break; case 0xa9: // mouse interface test (always succeeds) - PushToOutputQueue(dev, 0, 1); + PushToOutputQueue(dev, 0, OVERWRITE, COMMAND, KEYBOARD); + PrintDebug("keyboard: mouse interface test succeeded\n"); state->state = NORMAL; break; case 0xaa: // controller self test (always succeeds) - PushToOutputQueue(dev, 0x55, 1); + PushToOutputQueue(dev, 0x55, OVERWRITE, COMMAND, KEYBOARD); + PrintDebug("keyboard: controller self test succeeded\n"); state->state = NORMAL; break; case 0xab: // keyboard interface test (always succeeds) - PushToOutputQueue(dev, 0, 1); + PushToOutputQueue(dev, 0, OVERWRITE, COMMAND, KEYBOARD); state->state = NORMAL; + PrintDebug("keyboard: keyboard interface test succeeded\n"); break; case 0xad: // disable keyboard state->cmd_byte |= CMD_DISABLE; state->state = NORMAL; + PrintDebug("keyboard: keyboard disabled\n"); break; case 0xae: // enable keyboard state->cmd_byte &= ~CMD_DISABLE; state->state = NORMAL; + PrintDebug("keyboard: keyboard enabled\n"); break; case 0xaf: // get version - PushToOutputQueue(dev, 0x00, 1); + PushToOutputQueue(dev, 0x00, OVERWRITE, COMMAND, KEYBOARD); state->state = NORMAL; + PrintDebug("keyboard: version 0 returned \n"); break; + case 0xd0: // return microcontroller output on 60h + PushToOutputQueue(dev, state->output_byte, OVERWRITE, COMMAND, KEYBOARD); + state->state = NORMAL; + PrintDebug("keyboard: output byte 0x%x returned\n", state->output_byte); + break; - // case c0 read input port ? - // case c1 copy input port lsn to status - // case c2 copy input port msn to status - - // case d0 read output port - // case d1 write output port - case 0xd1: // Write next 0x60 byte to uC output port - state->state = WRITE_OUTPUT; + case 0xd1: // request to write next byte on 60h to the microcontroller output port + state->state = WRITING_OUTPUT_PORT; + PrintDebug("keyboard: prepare to write output byte\n"); break; - // case d2 write keyboard buffer (inject key) - // case d3 write mouse buffer (inject mouse) - // case d4 write mouse device (command to mouse?) + case 0xd2: // write keyboard buffer (inject key) + state->state = INJECTING_KEY; + PrintDebug("keyboard: prepare to inject key\n"); + break; - // case e0 read test port - + case 0xd3: // write mouse buffer (inject mouse) + state->state = INJECTING_MOUSE; + PrintDebug("keyboard: prepare to inject mouse\n"); + break; + + case 0xd4: // write mouse device (command to mouse?) + state->state = IN_MOUSE; + PrintDebug("keyboard: prepare to inject mouse command\n"); + break; - // case f0..ff pulse output port ? - case 0xf0: - case 0xf1: - case 0xf2: - case 0xf3: - case 0xf4: - case 0xf5: - case 0xf6: + case 0xc0: // read input port + PushToOutputQueue(dev, state->input_byte, OVERWRITE, COMMAND, KEYBOARD); + state->state = NORMAL; + PrintDebug("keyboard: input byte 0x%x returned\n", state->input_byte); + break; + + case 0xc1: //copy input port lsn to status msn + state->status_byte &= 0x0f; + state->status_byte |= (state->input_byte & 0xf) << 4; + state->state = NORMAL; + PrintDebug("keyboard: copied input byte lsn to status msn\n"); + break; + + case 0xc2: // copy input port msn to status msn + state->status_byte &= 0x0f; + state->status_byte |= (state->input_byte & 0xf0); + state->state = NORMAL; + PrintDebug("keyboard: copied input byte msn to status msn\n"); + break; + + case 0xe0: // read test port + PushToOutputQueue(dev, state->output_byte >> 6, OVERWRITE, COMMAND, KEYBOARD); + state->state = NORMAL; + PrintDebug("keyboard: read 0x%x from test port\n", state->output_byte >> 6); + break; + + + case 0xf0: // pulse output port + case 0xf1: // this should pulse 0..3 of cmd_byte on output port + case 0xf2: // instead of what is currently in output_byte (I think) + case 0xf3: // main effect is taht if bit zero is zero + case 0xf4: // should cause reset + case 0xf5: // I doubt anything more recent than a 286 running + case 0xf6: // OS2 with the penalty box will care case 0xf7: case 0xf8: case 0xf9: @@ -427,15 +949,16 @@ int keyboard_write_command(ushort_t port, case 0xfd: case 0xfe: case 0xff: - PrintDebug("FIXME: keyboard output pulse: %x\n", cmd); - // either set/unset the a20 line (bit 1) - // or reset the machine (bit 0 == 0) + + PrintDebug("keyboard: ignoring pulse of 0x%x (low=pulsed) on output port\n", (cmd & 0xf)); + state->state = NORMAL; break; + + // case ac diagonstic - returns 16 bytes from keyboard microcontroler on 60h default: - KEYBOARD_DEBUG_PRINT("keyboard: ignoring command (unimplemented)\n"); + PrintDebug("keyboard: ignoring command (unimplemented)\n"); state->state = NORMAL; - return -1; // JRL: We die here to prevent silent errors break; } @@ -452,15 +975,15 @@ int keyboard_read_status(ushort_t port, if (length == 1) { - KEYBOARD_DEBUG_PRINT("keyboard: read status (64h): "); + PrintDebug("keyboard: read status (64h): "); *((uchar_t*)dest) = state->status_byte; - KEYBOARD_DEBUG_PRINT("0x%x\n", *((uchar_t*)dest)); + PrintDebug("0x%x\n", *((uchar_t*)dest)); return 1; } else { - KEYBOARD_DEBUG_PRINT("keyboard: >1 byte read for status (64h)\n"); + PrintError("keyboard: >1 byte read for status (64h)\n"); return -1; } } @@ -473,47 +996,67 @@ int keyboard_write_output(ushort_t port, struct keyboard_internal *state = (struct keyboard_internal *)(dev->private_data); if (length != 1) { - KEYBOARD_DEBUG_PRINT("keyboard: write of 60h with >1 byte\n"); + PrintError("keyboard: write of 60h with >1 byte\n"); return -1; } uchar_t data = *((uchar_t*)src); + PrintDebug("keyboard: output 0x%x on 60h\n", data); + switch (state->state) { case WRITING_CMD_BYTE: state->cmd_byte = data; state->state = NORMAL; + PrintDebug("keyboard: wrote new command byte 0x%x\n", state->cmd_byte); + break; + case WRITING_OUTPUT_PORT: + state->output_byte = data; + state->state = NORMAL; + PrintDebug("keyboard: wrote new output byte 0x%x\n", state->output_byte); + break; + case INJECTING_KEY: + PushToOutputQueue(dev, data, OVERWRITE, COMMAND, KEYBOARD); // probably should be a call to deliver_key_to_vmm() + state->state = NORMAL; + PrintDebug("keyboard: injected key 0x%x\n", data); + break; + case INJECTING_MOUSE: + PrintDebug("keyboard: ignoring injected mouse event 0x%x\n", data); + state->state = NORMAL; + break; + case IN_MOUSE: + PrintDebug("keyboard: mouse action: "); + if (mouse_write_output(dev, data)) { + state->state = NORMAL; + } + PrintDebug("\n"); break; case TRANSMIT_PASSWD: if (data) { //ignore passwd + PrintDebug("keyboard: ignoring password character 0x%x\n",data); } else { // end of password state->state = NORMAL; + PrintDebug("keyboard: done with password\n"); } break; - case WRITE_OUTPUT: - PrintDebug("FIXME: keyboard write output: %x\n", data); - // either set/unset the a20 line (bit 1) - // or reset the machine (bit 0) - state->state = NORMAL; - break; - - case NORMAL: { // command is being sent to keyboard controller switch (data) { case 0xff: // reset - PushToOutputQueue(dev, 0xfa, 1); // ack + PushToOutputQueue(dev, 0xfa, OVERWRITE, COMMAND, KEYBOARD); // ack state->state = RESET; + PrintDebug("keyboard: reset complete and acked\n", data); break; case 0xf5: // disable scanning case 0xf4: // enable scanning // ack - PushToOutputQueue(dev, 0xfa, 1); + PushToOutputQueue(dev, 0xfa, OVERWRITE, COMMAND, KEYBOARD); // should do something here... PAD state->state = NORMAL; + PrintDebug("keyboard: %s scanning done and acked\n",data==0xf5 ? "disable" : "enable", data); break; case 0xfe: // resend case 0xfd: // set key type make @@ -525,16 +1068,17 @@ int keyboard_write_output(ushort_t port, case 0xf7: // set all typemaktic case 0xf6: // set defaults case 0xf3: // set typematic delay/rate + PrintDebug("keyboard: unhandled known command 0x%x on output buffer (60h)\n", data); + break; default: - KEYBOARD_DEBUG_PRINT("keyboard: unhandled command 0x%x on output buffer (60h)\n", data); - if (data != 0x5) - return -1; // JRL: We die here to prevent silent errors + PrintDebug("keyboard: unhandled unknown command 0x%x on output buffer (60h)\n", data); + state->status_byte |= 0x1; break; } break; } default: - KEYBOARD_DEBUG_PRINT("keyboard: unknown state %x on command 0x%x on output buffer (60h)\n", state->state, data); + PrintDebug("keyboard: unknown state %x on command 0x%x on output buffer (60h)\n", state->state, data); } return 1; @@ -549,25 +1093,34 @@ int keyboard_read_input(ushort_t port, if (length == 1) { uchar_t data; + int done_mouse; - KEYBOARD_DEBUG_PRINT("keyboard: read from input (60h): "); + PrintDebug("keyboard: read from input (60h): "); + if (state->state == IN_MOUSE) { + done_mouse = mouse_read_input(dev); + if (done_mouse) { + state->state = NORMAL; + } + } + PullFromOutputQueue(dev, &data); - + if (state->state == RESET) { // We just delivered the ack for the reset // now we will ready ourselves to deliver the BAT code (success) - PushToOutputQueue(dev, 0xaa, 1); + PushToOutputQueue(dev, 0xaa, OVERWRITE, COMMAND, KEYBOARD); state->state = NORMAL; + PrintDebug(" (in reset, pushing BAT test code 0xaa) "); } - KEYBOARD_DEBUG_PRINT("0x%x\n", data); + PrintDebug("0x%x\n", data); *((uchar_t*)dest) = data; - + return 1; } else { - KEYBOARD_DEBUG_PRINT("keyboard: unknown size read from input (60h)\n"); + PrintError("keyboard: unknown size read from input (60h)\n"); return -1; } } @@ -575,7 +1128,7 @@ int keyboard_read_input(ushort_t port, int keyboard_interrupt(uint_t irq, struct vm_device * dev) { - KEYBOARD_DEBUG_PRINT("keyboard: interrupt\n"); + PrintDebug("keyboard: interrupt 0x%x\n", irq); dev->vm->vm_ops.raise_irq(dev->vm, irq); @@ -589,7 +1142,7 @@ int keyboard_init_device(struct vm_device * dev) // struct keyboard_internal *data = (struct keyboard_internal *) dev->private_data; - KEYBOARD_DEBUG_PRINT("keyboard: init_device\n"); + PrintDebug("keyboard: init_device\n"); // Would read state here @@ -642,7 +1195,7 @@ static struct vm_device_ops dev_ops = { struct vm_device *create_keyboard() { if (thekeyboard != NULL) { - KEYBOARD_DEBUG_PRINT("keyboard: creating >1 keyboard device. This will probably fail!\n"); + PrintDebug("keyboard: creating >1 keyboard device. This will probably fail!\n"); } struct keyboard_internal * keyboard_state = (struct keyboard_internal *)V3_Malloc(sizeof(struct keyboard_internal));