2 * QEMU ESCC (Z8030/Z8530/Z85C30/SCC/ESCC) serial port emulation
4 * Copyright (c) 2003-2005 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
27 #include "hw/sysbus.h"
28 #include "hw/char/escc.h"
29 #include "sysemu/char.h"
30 #include "ui/console.h"
36 * "Z80C30/Z85C30/Z80230/Z85230/Z85233 SCC/ESCC User Manual",
37 * http://www.zilog.com/docs/serial/scc_escc_um.pdf
39 * On Sparc32 this is the serial port, mouse and keyboard part of chip STP2001
40 * (Slave I/O), also produced as NCR89C105. See
41 * http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C105.txt
43 * The serial ports implement full AMD AM8530 or Zilog Z8530 chips,
44 * mouse and keyboard ports don't implement all functions and they are
45 * only asynchronous. There is no DMA.
47 * Z85C30 is also used on PowerMacs. There are some small differences
48 * between Sparc version (sunzilog) and PowerMac (pmac):
49 * Offset between control and data registers
50 * There is some kind of lockup bug, but we can ignore it
52 * DMA on pmac using DBDMA chip
53 * pmac can do IRDA and faster rates, sunzilog can only do 38400
54 * pmac baud rate generator clock is 3.6864 MHz, sunzilog 4.9152 MHz
59 * 2006-Aug-10 Igor Kovalenko : Renamed KBDQueue to SERIOQueue, implemented
61 * Implemented serial mouse protocol.
63 * 2010-May-23 Artyom Tarasenko: Reworked IUS logic
70 #define CHN_C(s) ((s)->chn == chn_b? 'b' : 'a')
76 #define SERIO_QUEUE_SIZE 256
79 uint8_t data[SERIO_QUEUE_SIZE];
80 int rptr, wptr, count;
83 #define SERIAL_REGS 16
84 typedef struct ChannelState {
86 uint32_t rxint, txint, rxint_under_svc, txint_under_svc;
87 struct ChannelState *otherchn;
89 uint8_t wregs[SERIAL_REGS], rregs[SERIAL_REGS];
92 int e0_mode, led_mode, caps_lock_mode, num_lock_mode;
95 uint32_t vmstate_dummy;
96 ChnID chn; // this channel, A (base+4) or B (base+0)
99 QemuInputHandlerState *hs;
102 #define ESCC(obj) OBJECT_CHECK(ESCCState, (obj), TYPE_ESCC)
104 typedef struct ESCCState {
105 SysBusDevice parent_obj;
107 struct ChannelState chn[2];
114 #define SERIAL_CTRL 0
115 #define SERIAL_DATA 1
118 #define CMD_PTR_MASK 0x07
119 #define CMD_CMD_MASK 0x38
121 #define CMD_CLR_TXINT 0x28
122 #define CMD_CLR_IUS 0x38
124 #define INTR_INTALL 0x01
125 #define INTR_TXINT 0x02
126 #define INTR_RXMODEMSK 0x18
127 #define INTR_RXINT1ST 0x08
128 #define INTR_RXINTALL 0x10
131 #define RXCTRL_RXEN 0x01
133 #define TXCTRL1_PAREN 0x01
134 #define TXCTRL1_PAREV 0x02
135 #define TXCTRL1_1STOP 0x04
136 #define TXCTRL1_1HSTOP 0x08
137 #define TXCTRL1_2STOP 0x0c
138 #define TXCTRL1_STPMSK 0x0c
139 #define TXCTRL1_CLK1X 0x00
140 #define TXCTRL1_CLK16X 0x40
141 #define TXCTRL1_CLK32X 0x80
142 #define TXCTRL1_CLK64X 0xc0
143 #define TXCTRL1_CLKMSK 0xc0
145 #define TXCTRL2_TXEN 0x08
146 #define TXCTRL2_BITMSK 0x60
147 #define TXCTRL2_5BITS 0x00
148 #define TXCTRL2_7BITS 0x20
149 #define TXCTRL2_6BITS 0x40
150 #define TXCTRL2_8BITS 0x60
155 #define MINTR_STATUSHI 0x10
156 #define MINTR_RST_MASK 0xc0
157 #define MINTR_RST_B 0x40
158 #define MINTR_RST_A 0x80
159 #define MINTR_RST_ALL 0xc0
162 #define CLOCK_TRXC 0x08
166 #define MISC2_PLLDIS 0x30
168 #define EXTINT_DCD 0x08
169 #define EXTINT_SYNCINT 0x10
170 #define EXTINT_CTSINT 0x20
171 #define EXTINT_TXUNDRN 0x40
172 #define EXTINT_BRKINT 0x80
175 #define STATUS_RXAV 0x01
176 #define STATUS_ZERO 0x02
177 #define STATUS_TXEMPTY 0x04
178 #define STATUS_DCD 0x08
179 #define STATUS_SYNC 0x10
180 #define STATUS_CTS 0x20
181 #define STATUS_TXUNDRN 0x40
182 #define STATUS_BRK 0x80
184 #define SPEC_ALLSENT 0x01
185 #define SPEC_BITS8 0x06
187 #define IVEC_TXINTB 0x00
188 #define IVEC_LONOINT 0x06
189 #define IVEC_LORXINTA 0x0c
190 #define IVEC_LORXINTB 0x04
191 #define IVEC_LOTXINTA 0x08
192 #define IVEC_HINOINT 0x60
193 #define IVEC_HIRXINTA 0x30
194 #define IVEC_HIRXINTB 0x20
195 #define IVEC_HITXINTA 0x10
197 #define INTR_EXTINTB 0x01
198 #define INTR_TXINTB 0x02
199 #define INTR_RXINTB 0x04
200 #define INTR_EXTINTA 0x08
201 #define INTR_TXINTA 0x10
202 #define INTR_RXINTA 0x20
216 static void handle_kbd_command(ChannelState *s, int val);
217 static int serial_can_receive(void *opaque);
218 static void serial_receive_byte(ChannelState *s, int ch);
220 static void clear_queue(void *opaque)
222 ChannelState *s = opaque;
223 SERIOQueue *q = &s->queue;
224 q->rptr = q->wptr = q->count = 0;
227 static void put_queue(void *opaque, int b)
229 ChannelState *s = opaque;
230 SERIOQueue *q = &s->queue;
232 trace_escc_put_queue(CHN_C(s), b);
233 if (q->count >= SERIO_QUEUE_SIZE)
235 q->data[q->wptr] = b;
236 if (++q->wptr == SERIO_QUEUE_SIZE)
239 serial_receive_byte(s, 0);
242 static uint32_t get_queue(void *opaque)
244 ChannelState *s = opaque;
245 SERIOQueue *q = &s->queue;
251 val = q->data[q->rptr];
252 if (++q->rptr == SERIO_QUEUE_SIZE)
256 trace_escc_get_queue(CHN_C(s), val);
258 serial_receive_byte(s, 0);
262 static int escc_update_irq_chn(ChannelState *s)
264 if ((((s->wregs[W_INTR] & INTR_TXINT) && (s->txint == 1)) ||
265 // tx ints enabled, pending
266 ((((s->wregs[W_INTR] & INTR_RXMODEMSK) == INTR_RXINT1ST) ||
267 ((s->wregs[W_INTR] & INTR_RXMODEMSK) == INTR_RXINTALL)) &&
268 s->rxint == 1) || // rx ints enabled, pending
269 ((s->wregs[W_EXTINT] & EXTINT_BRKINT) &&
270 (s->rregs[R_STATUS] & STATUS_BRK)))) { // break int e&p
276 static void escc_update_irq(ChannelState *s)
280 irq = escc_update_irq_chn(s);
281 irq |= escc_update_irq_chn(s->otherchn);
283 trace_escc_update_irq(irq);
284 qemu_set_irq(s->irq, irq);
287 static void escc_reset_chn(ChannelState *s)
292 for (i = 0; i < SERIAL_REGS; i++) {
296 s->wregs[W_TXCTRL1] = TXCTRL1_1STOP; // 1X divisor, 1 stop bit, no parity
297 s->wregs[W_MINTR] = MINTR_RST_ALL;
298 s->wregs[W_CLOCK] = CLOCK_TRXC; // Synch mode tx clock = TRxC
299 s->wregs[W_MISC2] = MISC2_PLLDIS; // PLL disabled
300 s->wregs[W_EXTINT] = EXTINT_DCD | EXTINT_SYNCINT | EXTINT_CTSINT |
301 EXTINT_TXUNDRN | EXTINT_BRKINT; // Enable most interrupts
303 s->rregs[R_STATUS] = STATUS_TXEMPTY | STATUS_DCD | STATUS_SYNC |
304 STATUS_CTS | STATUS_TXUNDRN;
306 s->rregs[R_STATUS] = STATUS_TXEMPTY | STATUS_TXUNDRN;
307 s->rregs[R_SPEC] = SPEC_BITS8 | SPEC_ALLSENT;
310 s->rxint = s->txint = 0;
311 s->rxint_under_svc = s->txint_under_svc = 0;
312 s->e0_mode = s->led_mode = s->caps_lock_mode = s->num_lock_mode = 0;
316 static void escc_reset(DeviceState *d)
318 ESCCState *s = ESCC(d);
320 escc_reset_chn(&s->chn[0]);
321 escc_reset_chn(&s->chn[1]);
324 static inline void set_rxint(ChannelState *s)
327 /* XXX: missing daisy chainnig: chn_b rx should have a lower priority
328 than chn_a rx/tx/special_condition service*/
329 s->rxint_under_svc = 1;
330 if (s->chn == chn_a) {
331 s->rregs[R_INTR] |= INTR_RXINTA;
332 if (s->wregs[W_MINTR] & MINTR_STATUSHI)
333 s->otherchn->rregs[R_IVEC] = IVEC_HIRXINTA;
335 s->otherchn->rregs[R_IVEC] = IVEC_LORXINTA;
337 s->otherchn->rregs[R_INTR] |= INTR_RXINTB;
338 if (s->wregs[W_MINTR] & MINTR_STATUSHI)
339 s->rregs[R_IVEC] = IVEC_HIRXINTB;
341 s->rregs[R_IVEC] = IVEC_LORXINTB;
346 static inline void set_txint(ChannelState *s)
349 if (!s->rxint_under_svc) {
350 s->txint_under_svc = 1;
351 if (s->chn == chn_a) {
352 if (s->wregs[W_INTR] & INTR_TXINT) {
353 s->rregs[R_INTR] |= INTR_TXINTA;
355 if (s->wregs[W_MINTR] & MINTR_STATUSHI)
356 s->otherchn->rregs[R_IVEC] = IVEC_HITXINTA;
358 s->otherchn->rregs[R_IVEC] = IVEC_LOTXINTA;
360 s->rregs[R_IVEC] = IVEC_TXINTB;
361 if (s->wregs[W_INTR] & INTR_TXINT) {
362 s->otherchn->rregs[R_INTR] |= INTR_TXINTB;
369 static inline void clr_rxint(ChannelState *s)
372 s->rxint_under_svc = 0;
373 if (s->chn == chn_a) {
374 if (s->wregs[W_MINTR] & MINTR_STATUSHI)
375 s->otherchn->rregs[R_IVEC] = IVEC_HINOINT;
377 s->otherchn->rregs[R_IVEC] = IVEC_LONOINT;
378 s->rregs[R_INTR] &= ~INTR_RXINTA;
380 if (s->wregs[W_MINTR] & MINTR_STATUSHI)
381 s->rregs[R_IVEC] = IVEC_HINOINT;
383 s->rregs[R_IVEC] = IVEC_LONOINT;
384 s->otherchn->rregs[R_INTR] &= ~INTR_RXINTB;
391 static inline void clr_txint(ChannelState *s)
394 s->txint_under_svc = 0;
395 if (s->chn == chn_a) {
396 if (s->wregs[W_MINTR] & MINTR_STATUSHI)
397 s->otherchn->rregs[R_IVEC] = IVEC_HINOINT;
399 s->otherchn->rregs[R_IVEC] = IVEC_LONOINT;
400 s->rregs[R_INTR] &= ~INTR_TXINTA;
402 s->otherchn->rregs[R_INTR] &= ~INTR_TXINTB;
403 if (s->wregs[W_MINTR] & MINTR_STATUSHI)
404 s->rregs[R_IVEC] = IVEC_HINOINT;
406 s->rregs[R_IVEC] = IVEC_LONOINT;
407 s->otherchn->rregs[R_INTR] &= ~INTR_TXINTB;
414 static void escc_update_parameters(ChannelState *s)
416 int speed, parity, data_bits, stop_bits;
417 QEMUSerialSetParams ssp;
419 if (!s->chr || s->type != ser)
422 if (s->wregs[W_TXCTRL1] & TXCTRL1_PAREN) {
423 if (s->wregs[W_TXCTRL1] & TXCTRL1_PAREV)
430 if ((s->wregs[W_TXCTRL1] & TXCTRL1_STPMSK) == TXCTRL1_2STOP)
434 switch (s->wregs[W_TXCTRL2] & TXCTRL2_BITMSK) {
449 speed = s->clock / ((s->wregs[W_BRGLO] | (s->wregs[W_BRGHI] << 8)) + 2);
450 switch (s->wregs[W_TXCTRL1] & TXCTRL1_CLKMSK) {
466 ssp.data_bits = data_bits;
467 ssp.stop_bits = stop_bits;
468 trace_escc_update_parameters(CHN_C(s), speed, parity, data_bits, stop_bits);
469 qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp);
472 static void escc_mem_write(void *opaque, hwaddr addr,
473 uint64_t val, unsigned size)
475 ESCCState *serial = opaque;
481 saddr = (addr >> serial->it_shift) & 1;
482 channel = (addr >> (serial->it_shift + 1)) & 1;
483 s = &serial->chn[channel];
486 trace_escc_mem_writeb_ctrl(CHN_C(s), s->reg, val & 0xff);
490 newreg = val & CMD_PTR_MASK;
500 if (s->rxint_under_svc) {
501 s->rxint_under_svc = 0;
505 } else if (s->txint_under_svc) {
506 s->txint_under_svc = 0;
514 case W_INTR ... W_RXCTRL:
515 case W_SYNC1 ... W_TXBUF:
516 case W_MISC1 ... W_CLOCK:
517 case W_MISC2 ... W_EXTINT:
518 s->wregs[s->reg] = val;
522 s->wregs[s->reg] = val;
523 escc_update_parameters(s);
527 s->wregs[s->reg] = val;
528 s->rregs[s->reg] = val;
529 escc_update_parameters(s);
532 switch (val & MINTR_RST_MASK) {
537 escc_reset_chn(&serial->chn[0]);
540 escc_reset_chn(&serial->chn[1]);
543 escc_reset(DEVICE(serial));
556 trace_escc_mem_writeb_data(CHN_C(s), val);
558 if (s->wregs[W_TXCTRL2] & TXCTRL2_TXEN) { // tx enabled
560 qemu_chr_fe_write(s->chr, &s->tx, 1);
561 else if (s->type == kbd && !s->disabled) {
562 handle_kbd_command(s, val);
565 s->rregs[R_STATUS] |= STATUS_TXEMPTY; // Tx buffer empty
566 s->rregs[R_SPEC] |= SPEC_ALLSENT; // All sent
574 static uint64_t escc_mem_read(void *opaque, hwaddr addr,
577 ESCCState *serial = opaque;
583 saddr = (addr >> serial->it_shift) & 1;
584 channel = (addr >> (serial->it_shift + 1)) & 1;
585 s = &serial->chn[channel];
588 trace_escc_mem_readb_ctrl(CHN_C(s), s->reg, s->rregs[s->reg]);
589 ret = s->rregs[s->reg];
593 s->rregs[R_STATUS] &= ~STATUS_RXAV;
595 if (s->type == kbd || s->type == mouse)
599 trace_escc_mem_readb_data(CHN_C(s), ret);
601 qemu_chr_accept_input(s->chr);
609 static const MemoryRegionOps escc_mem_ops = {
610 .read = escc_mem_read,
611 .write = escc_mem_write,
612 .endianness = DEVICE_NATIVE_ENDIAN,
614 .min_access_size = 1,
615 .max_access_size = 1,
619 static int serial_can_receive(void *opaque)
621 ChannelState *s = opaque;
624 if (((s->wregs[W_RXCTRL] & RXCTRL_RXEN) == 0) // Rx not enabled
625 || ((s->rregs[R_STATUS] & STATUS_RXAV) == STATUS_RXAV))
626 // char already available
633 static void serial_receive_byte(ChannelState *s, int ch)
635 trace_escc_serial_receive_byte(CHN_C(s), ch);
636 s->rregs[R_STATUS] |= STATUS_RXAV;
641 static void serial_receive_break(ChannelState *s)
643 s->rregs[R_STATUS] |= STATUS_BRK;
647 static void serial_receive1(void *opaque, const uint8_t *buf, int size)
649 ChannelState *s = opaque;
650 serial_receive_byte(s, buf[0]);
653 static void serial_event(void *opaque, int event)
655 ChannelState *s = opaque;
656 if (event == CHR_EVENT_BREAK)
657 serial_receive_break(s);
660 static const VMStateDescription vmstate_escc_chn = {
663 .minimum_version_id = 1,
664 .fields = (VMStateField[]) {
665 VMSTATE_UINT32(vmstate_dummy, ChannelState),
666 VMSTATE_UINT32(reg, ChannelState),
667 VMSTATE_UINT32(rxint, ChannelState),
668 VMSTATE_UINT32(txint, ChannelState),
669 VMSTATE_UINT32(rxint_under_svc, ChannelState),
670 VMSTATE_UINT32(txint_under_svc, ChannelState),
671 VMSTATE_UINT8(rx, ChannelState),
672 VMSTATE_UINT8(tx, ChannelState),
673 VMSTATE_BUFFER(wregs, ChannelState),
674 VMSTATE_BUFFER(rregs, ChannelState),
675 VMSTATE_END_OF_LIST()
679 static const VMStateDescription vmstate_escc = {
682 .minimum_version_id = 1,
683 .fields = (VMStateField[]) {
684 VMSTATE_STRUCT_ARRAY(chn, ESCCState, 2, 2, vmstate_escc_chn,
686 VMSTATE_END_OF_LIST()
690 MemoryRegion *escc_init(hwaddr base, qemu_irq irqA, qemu_irq irqB,
691 CharDriverState *chrA, CharDriverState *chrB,
692 int clock, int it_shift)
698 dev = qdev_create(NULL, TYPE_ESCC);
699 qdev_prop_set_uint32(dev, "disabled", 0);
700 qdev_prop_set_uint32(dev, "frequency", clock);
701 qdev_prop_set_uint32(dev, "it_shift", it_shift);
702 qdev_prop_set_chr(dev, "chrB", chrB);
703 qdev_prop_set_chr(dev, "chrA", chrA);
704 qdev_prop_set_uint32(dev, "chnBtype", ser);
705 qdev_prop_set_uint32(dev, "chnAtype", ser);
706 qdev_init_nofail(dev);
707 s = SYS_BUS_DEVICE(dev);
708 sysbus_connect_irq(s, 0, irqB);
709 sysbus_connect_irq(s, 1, irqA);
711 sysbus_mmio_map(s, 0, base);
718 static const uint8_t qcode_to_keycode[Q_KEY_CODE__MAX] = {
719 [Q_KEY_CODE_SHIFT] = 99,
720 [Q_KEY_CODE_SHIFT_R] = 110,
721 [Q_KEY_CODE_ALT] = 19,
722 [Q_KEY_CODE_ALT_R] = 13,
723 [Q_KEY_CODE_ALTGR] = 13,
724 [Q_KEY_CODE_CTRL] = 76,
725 [Q_KEY_CODE_CTRL_R] = 76,
726 [Q_KEY_CODE_ESC] = 29,
737 [Q_KEY_CODE_MINUS] = 40,
738 [Q_KEY_CODE_EQUAL] = 41,
739 [Q_KEY_CODE_BACKSPACE] = 43,
740 [Q_KEY_CODE_TAB] = 53,
751 [Q_KEY_CODE_BRACKET_LEFT] = 64,
752 [Q_KEY_CODE_BRACKET_RIGHT] = 65,
753 [Q_KEY_CODE_RET] = 89,
763 [Q_KEY_CODE_SEMICOLON] = 86,
764 [Q_KEY_CODE_APOSTROPHE] = 87,
765 [Q_KEY_CODE_GRAVE_ACCENT] = 42,
766 [Q_KEY_CODE_BACKSLASH] = 88,
767 [Q_KEY_CODE_Z] = 100,
768 [Q_KEY_CODE_X] = 101,
769 [Q_KEY_CODE_C] = 102,
770 [Q_KEY_CODE_V] = 103,
771 [Q_KEY_CODE_B] = 104,
772 [Q_KEY_CODE_N] = 105,
773 [Q_KEY_CODE_M] = 106,
774 [Q_KEY_CODE_COMMA] = 107,
775 [Q_KEY_CODE_DOT] = 108,
776 [Q_KEY_CODE_SLASH] = 109,
777 [Q_KEY_CODE_ASTERISK] = 47,
778 [Q_KEY_CODE_SPC] = 121,
779 [Q_KEY_CODE_CAPS_LOCK] = 119,
783 [Q_KEY_CODE_F4] = 10,
784 [Q_KEY_CODE_F5] = 12,
785 [Q_KEY_CODE_F6] = 14,
786 [Q_KEY_CODE_F7] = 16,
787 [Q_KEY_CODE_F8] = 17,
788 [Q_KEY_CODE_F9] = 18,
789 [Q_KEY_CODE_F10] = 7,
790 [Q_KEY_CODE_NUM_LOCK] = 98,
791 [Q_KEY_CODE_SCROLL_LOCK] = 23,
792 [Q_KEY_CODE_KP_DIVIDE] = 46,
793 [Q_KEY_CODE_KP_MULTIPLY] = 47,
794 [Q_KEY_CODE_KP_SUBTRACT] = 71,
795 [Q_KEY_CODE_KP_ADD] = 125,
796 [Q_KEY_CODE_KP_ENTER] = 90,
797 [Q_KEY_CODE_KP_DECIMAL] = 50,
798 [Q_KEY_CODE_KP_0] = 94,
799 [Q_KEY_CODE_KP_1] = 112,
800 [Q_KEY_CODE_KP_2] = 113,
801 [Q_KEY_CODE_KP_3] = 114,
802 [Q_KEY_CODE_KP_4] = 91,
803 [Q_KEY_CODE_KP_5] = 92,
804 [Q_KEY_CODE_KP_6] = 93,
805 [Q_KEY_CODE_KP_7] = 68,
806 [Q_KEY_CODE_KP_8] = 69,
807 [Q_KEY_CODE_KP_9] = 70,
808 [Q_KEY_CODE_LESS] = 124,
809 [Q_KEY_CODE_F11] = 9,
810 [Q_KEY_CODE_F12] = 11,
811 [Q_KEY_CODE_HOME] = 52,
812 [Q_KEY_CODE_PGUP] = 96,
813 [Q_KEY_CODE_PGDN] = 123,
814 [Q_KEY_CODE_END] = 74,
815 [Q_KEY_CODE_LEFT] = 24,
816 [Q_KEY_CODE_UP] = 20,
817 [Q_KEY_CODE_DOWN] = 27,
818 [Q_KEY_CODE_RIGHT] = 28,
819 [Q_KEY_CODE_INSERT] = 44,
820 [Q_KEY_CODE_DELETE] = 66,
821 [Q_KEY_CODE_STOP] = 1,
822 [Q_KEY_CODE_AGAIN] = 3,
823 [Q_KEY_CODE_PROPS] = 25,
824 [Q_KEY_CODE_UNDO] = 26,
825 [Q_KEY_CODE_FRONT] = 49,
826 [Q_KEY_CODE_COPY] = 51,
827 [Q_KEY_CODE_OPEN] = 72,
828 [Q_KEY_CODE_PASTE] = 73,
829 [Q_KEY_CODE_FIND] = 95,
830 [Q_KEY_CODE_CUT] = 97,
831 [Q_KEY_CODE_LF] = 111,
832 [Q_KEY_CODE_HELP] = 118,
833 [Q_KEY_CODE_META_L] = 120,
834 [Q_KEY_CODE_META_R] = 122,
835 [Q_KEY_CODE_COMPOSE] = 67,
836 [Q_KEY_CODE_PRINT] = 22,
837 [Q_KEY_CODE_SYSRQ] = 21,
840 static void sunkbd_handle_event(DeviceState *dev, QemuConsole *src,
843 ChannelState *s = (ChannelState *)dev;
847 assert(evt->type == INPUT_EVENT_KIND_KEY);
848 key = evt->u.key.data;
849 qcode = qemu_input_key_value_to_qcode(key->key);
850 trace_escc_sunkbd_event_in(qcode, QKeyCode_lookup[qcode],
853 if (qcode == Q_KEY_CODE_CAPS_LOCK) {
855 s->caps_lock_mode ^= 1;
856 if (s->caps_lock_mode == 2) {
857 return; /* Drop second press */
860 s->caps_lock_mode ^= 2;
861 if (s->caps_lock_mode == 3) {
862 return; /* Drop first release */
867 if (qcode == Q_KEY_CODE_NUM_LOCK) {
869 s->num_lock_mode ^= 1;
870 if (s->num_lock_mode == 2) {
871 return; /* Drop second press */
874 s->num_lock_mode ^= 2;
875 if (s->num_lock_mode == 3) {
876 return; /* Drop first release */
881 keycode = qcode_to_keycode[qcode];
885 trace_escc_sunkbd_event_out(keycode);
886 put_queue(s, keycode);
889 static QemuInputHandler sunkbd_handler = {
890 .name = "sun keyboard",
891 .mask = INPUT_EVENT_MASK_KEY,
892 .event = sunkbd_handle_event,
895 static void handle_kbd_command(ChannelState *s, int val)
897 trace_escc_kbd_command(val);
898 if (s->led_mode) { // Ignore led byte
903 case 1: // Reset, return type code
906 put_queue(s, 4); // Type 4
909 case 0xe: // Set leds
912 case 7: // Query layout
916 put_queue(s, 0x21); /* en-us layout */
923 static void sunmouse_event(void *opaque,
924 int dx, int dy, int dz, int buttons_state)
926 ChannelState *s = opaque;
929 trace_escc_sunmouse_event(dx, dy, buttons_state);
930 ch = 0x80 | 0x7; /* protocol start byte, no buttons pressed */
932 if (buttons_state & MOUSE_EVENT_LBUTTON)
934 if (buttons_state & MOUSE_EVENT_MBUTTON)
936 if (buttons_state & MOUSE_EVENT_RBUTTON)
948 put_queue(s, ch & 0xff);
957 put_queue(s, ch & 0xff);
959 // MSC protocol specify two extra motion bytes
965 void slavio_serial_ms_kbd_init(hwaddr base, qemu_irq irq,
966 int disabled, int clock, int it_shift)
971 dev = qdev_create(NULL, TYPE_ESCC);
972 qdev_prop_set_uint32(dev, "disabled", disabled);
973 qdev_prop_set_uint32(dev, "frequency", clock);
974 qdev_prop_set_uint32(dev, "it_shift", it_shift);
975 qdev_prop_set_chr(dev, "chrB", NULL);
976 qdev_prop_set_chr(dev, "chrA", NULL);
977 qdev_prop_set_uint32(dev, "chnBtype", mouse);
978 qdev_prop_set_uint32(dev, "chnAtype", kbd);
979 qdev_init_nofail(dev);
980 s = SYS_BUS_DEVICE(dev);
981 sysbus_connect_irq(s, 0, irq);
982 sysbus_connect_irq(s, 1, irq);
983 sysbus_mmio_map(s, 0, base);
986 static int escc_init1(SysBusDevice *dev)
988 ESCCState *s = ESCC(dev);
991 s->chn[0].disabled = s->disabled;
992 s->chn[1].disabled = s->disabled;
993 for (i = 0; i < 2; i++) {
994 sysbus_init_irq(dev, &s->chn[i].irq);
995 s->chn[i].chn = 1 - i;
996 s->chn[i].clock = s->frequency / 2;
998 qemu_chr_add_handlers(s->chn[i].chr, serial_can_receive,
999 serial_receive1, serial_event, &s->chn[i]);
1002 s->chn[0].otherchn = &s->chn[1];
1003 s->chn[1].otherchn = &s->chn[0];
1005 memory_region_init_io(&s->mmio, OBJECT(s), &escc_mem_ops, s, "escc",
1006 ESCC_SIZE << s->it_shift);
1007 sysbus_init_mmio(dev, &s->mmio);
1009 if (s->chn[0].type == mouse) {
1010 qemu_add_mouse_event_handler(sunmouse_event, &s->chn[0], 0,
1013 if (s->chn[1].type == kbd) {
1014 s->chn[1].hs = qemu_input_handler_register((DeviceState *)(&s->chn[1]),
1021 static Property escc_properties[] = {
1022 DEFINE_PROP_UINT32("frequency", ESCCState, frequency, 0),
1023 DEFINE_PROP_UINT32("it_shift", ESCCState, it_shift, 0),
1024 DEFINE_PROP_UINT32("disabled", ESCCState, disabled, 0),
1025 DEFINE_PROP_UINT32("chnBtype", ESCCState, chn[0].type, 0),
1026 DEFINE_PROP_UINT32("chnAtype", ESCCState, chn[1].type, 0),
1027 DEFINE_PROP_CHR("chrB", ESCCState, chn[0].chr),
1028 DEFINE_PROP_CHR("chrA", ESCCState, chn[1].chr),
1029 DEFINE_PROP_END_OF_LIST(),
1032 static void escc_class_init(ObjectClass *klass, void *data)
1034 DeviceClass *dc = DEVICE_CLASS(klass);
1035 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1037 k->init = escc_init1;
1038 dc->reset = escc_reset;
1039 dc->vmsd = &vmstate_escc;
1040 dc->props = escc_properties;
1041 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
1044 static const TypeInfo escc_info = {
1046 .parent = TYPE_SYS_BUS_DEVICE,
1047 .instance_size = sizeof(ESCCState),
1048 .class_init = escc_class_init,
1051 static void escc_register_types(void)
1053 type_register_static(&escc_info);
1056 type_init(escc_register_types)