[qemu.git] / hw / jazz_led.c

/*
 * QEMU JAZZ LED emulator.
 *
 * Copyright (c) 2007 Hervé Poussineau
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "hw.h"
#include "mips.h"
#include "console.h"
#include "pixel_ops.h"
#include "trace.h"

typedef enum {
    REDRAW_NONE = 0, REDRAW_SEGMENTS = 1, REDRAW_BACKGROUND = 2,
} screen_state_t;

typedef struct LedState {
    MemoryRegion iomem;
    uint8_t segments;
    DisplayState *ds;
    screen_state_t state;
} LedState;

static uint32_t led_readb(void *opaque, target_phys_addr_t addr)
{
    LedState *s = opaque;
    uint8_t val;

    switch (addr) {
        case 0:
            val = s->segments;
            break;
        default:
            error_report("invalid read at [" TARGET_FMT_plx "]\n", addr);
            val = 0;
    }

    trace_jazz_led_read(addr, val);

    return val;
}

static uint32_t led_readw(void *opaque, target_phys_addr_t addr)
{
    uint32_t v;
#ifdef TARGET_WORDS_BIGENDIAN
    v = led_readb(opaque, addr) << 8;
    v |= led_readb(opaque, addr + 1);
#else
    v = led_readb(opaque, addr);
    v |= led_readb(opaque, addr + 1) << 8;
#endif
    return v;
}

static uint32_t led_readl(void *opaque, target_phys_addr_t addr)
{
    uint32_t v;
#ifdef TARGET_WORDS_BIGENDIAN
    v = led_readb(opaque, addr) << 24;
    v |= led_readb(opaque, addr + 1) << 16;
    v |= led_readb(opaque, addr + 2) << 8;
    v |= led_readb(opaque, addr + 3);
#else
    v = led_readb(opaque, addr);
    v |= led_readb(opaque, addr + 1) << 8;
    v |= led_readb(opaque, addr + 2) << 16;
    v |= led_readb(opaque, addr + 3) << 24;
#endif
    return v;
}

static void led_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
{
    LedState *s = opaque;
    uint8_t new_val = val & 0xff;

    trace_jazz_led_write(addr, new_val);

    switch (addr) {
        case 0:
            s->segments = new_val;
            s->state |= REDRAW_SEGMENTS;
            break;
        default:
            error_report("invalid write of 0x%x at [" TARGET_FMT_plx "]\n",
                         new_val, addr);
            break;
    }
}

static void led_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
{
#ifdef TARGET_WORDS_BIGENDIAN
    led_writeb(opaque, addr, (val >> 8) & 0xff);
    led_writeb(opaque, addr + 1, val & 0xff);
#else
    led_writeb(opaque, addr, val & 0xff);
    led_writeb(opaque, addr + 1, (val >> 8) & 0xff);
#endif
}

static void led_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
{
#ifdef TARGET_WORDS_BIGENDIAN
    led_writeb(opaque, addr, (val >> 24) & 0xff);
    led_writeb(opaque, addr + 1, (val >> 16) & 0xff);
    led_writeb(opaque, addr + 2, (val >> 8) & 0xff);
    led_writeb(opaque, addr + 3, val & 0xff);
#else
    led_writeb(opaque, addr, val & 0xff);
    led_writeb(opaque, addr + 1, (val >> 8) & 0xff);
    led_writeb(opaque, addr + 2, (val >> 16) & 0xff);
    led_writeb(opaque, addr + 3, (val >> 24) & 0xff);
#endif
}

static const MemoryRegionOps led_ops = {
    .old_mmio = {
        .read = { led_readb, led_readw, led_readl, },
        .write = { led_writeb, led_writew, led_writel, },
    },
    .endianness = DEVICE_NATIVE_ENDIAN,
};

/***********************************************************/
/* jazz_led display */

static void draw_horizontal_line(DisplayState *ds, int posy, int posx1, int posx2, uint32_t color)
{
    uint8_t *d;
    int x, bpp;

    bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
    d = ds_get_data(ds) + ds_get_linesize(ds) * posy + bpp * posx1;
    switch(bpp) {
        case 1:
            for (x = posx1; x <= posx2; x++) {
                *((uint8_t *)d) = color;
                d++;
            }
            break;
        case 2:
            for (x = posx1; x <= posx2; x++) {
                *((uint16_t *)d) = color;
                d += 2;
            }
            break;
        case 4:
            for (x = posx1; x <= posx2; x++) {
                *((uint32_t *)d) = color;
                d += 4;
            }
            break;
    }
}

static void draw_vertical_line(DisplayState *ds, int posx, int posy1, int posy2, uint32_t color)
{
    uint8_t *d;
    int y, bpp;

    bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
    d = ds_get_data(ds) + ds_get_linesize(ds) * posy1 + bpp * posx;
    switch(bpp) {
        case 1:
            for (y = posy1; y <= posy2; y++) {
                *((uint8_t *)d) = color;
                d += ds_get_linesize(ds);
            }
            break;
        case 2:
            for (y = posy1; y <= posy2; y++) {
                *((uint16_t *)d) = color;
                d += ds_get_linesize(ds);
            }
            break;
        case 4:
            for (y = posy1; y <= posy2; y++) {
                *((uint32_t *)d) = color;
                d += ds_get_linesize(ds);
            }
            break;
    }
}

static void jazz_led_update_display(void *opaque)
{
    LedState *s = opaque;
    DisplayState *ds = s->ds;
    uint8_t *d1;
    uint32_t color_segment, color_led;
    int y, bpp;

    if (s->state & REDRAW_BACKGROUND) {
        /* clear screen */
        bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
        d1 = ds_get_data(ds);
        for (y = 0; y < ds_get_height(ds); y++) {
            memset(d1, 0x00, ds_get_width(ds) * bpp);
            d1 += ds_get_linesize(ds);
        }
    }

    if (s->state & REDRAW_SEGMENTS) {
        /* set colors according to bpp */
        switch (ds_get_bits_per_pixel(ds)) {
            case 8:
                color_segment = rgb_to_pixel8(0xaa, 0xaa, 0xaa);
                color_led = rgb_to_pixel8(0x00, 0xff, 0x00);
                break;
            case 15:
                color_segment = rgb_to_pixel15(0xaa, 0xaa, 0xaa);
                color_led = rgb_to_pixel15(0x00, 0xff, 0x00);
                break;
            case 16:
                color_segment = rgb_to_pixel16(0xaa, 0xaa, 0xaa);
                color_led = rgb_to_pixel16(0x00, 0xff, 0x00);
            case 24:
                color_segment = rgb_to_pixel24(0xaa, 0xaa, 0xaa);
                color_led = rgb_to_pixel24(0x00, 0xff, 0x00);
                break;
            case 32:
                color_segment = rgb_to_pixel32(0xaa, 0xaa, 0xaa);
                color_led = rgb_to_pixel32(0x00, 0xff, 0x00);
                break;
            default:
                return;
        }

        /* display segments */
        draw_horizontal_line(ds, 40, 10, 40, (s->segments & 0x02) ? color_segment : 0);
        draw_vertical_line(ds, 10, 10, 40, (s->segments & 0x04) ? color_segment : 0);
        draw_vertical_line(ds, 10, 40, 70, (s->segments & 0x08) ? color_segment : 0);
        draw_horizontal_line(ds, 70, 10, 40, (s->segments & 0x10) ? color_segment : 0);
        draw_vertical_line(ds, 40, 40, 70, (s->segments & 0x20) ? color_segment : 0);
        draw_vertical_line(ds, 40, 10, 40, (s->segments & 0x40) ? color_segment : 0);
        draw_horizontal_line(ds, 10, 10, 40, (s->segments & 0x80) ? color_segment : 0);

        /* display led */
        if (!(s->segments & 0x01))
            color_led = 0; /* black */
        draw_horizontal_line(ds, 68, 50, 50, color_led);
        draw_horizontal_line(ds, 69, 49, 51, color_led);
        draw_horizontal_line(ds, 70, 48, 52, color_led);
        draw_horizontal_line(ds, 71, 49, 51, color_led);
        draw_horizontal_line(ds, 72, 50, 50, color_led);
    }

    s->state = REDRAW_NONE;
    dpy_update(ds, 0, 0, ds_get_width(ds), ds_get_height(ds));
}

static void jazz_led_invalidate_display(void *opaque)
{
    LedState *s = opaque;
    s->state |= REDRAW_SEGMENTS | REDRAW_BACKGROUND;
}

static void jazz_led_screen_dump(void *opaque, const char *filename)
{
    printf("jazz_led_screen_dump() not implemented\n");
}

static void jazz_led_text_update(void *opaque, console_ch_t *chardata)
{
    LedState *s = opaque;
    char buf[2];

    dpy_cursor(s->ds, -1, -1);
    qemu_console_resize(s->ds, 2, 1);

    /* TODO: draw the segments */
    snprintf(buf, 2, "%02hhx\n", s->segments);
    console_write_ch(chardata++, 0x00200100 | buf[0]);
    console_write_ch(chardata++, 0x00200100 | buf[1]);

    dpy_update(s->ds, 0, 0, 2, 1);
}

void jazz_led_init(MemoryRegion *address_space, target_phys_addr_t base)
{
    LedState *s;

    s = g_malloc0(sizeof(LedState));

    s->state = REDRAW_SEGMENTS | REDRAW_BACKGROUND;

    memory_region_init_io(&s->iomem, &led_ops, s, "led", 1);
    memory_region_add_subregion(address_space, base, &s->iomem);

    s->ds = graphic_console_init(jazz_led_update_display,
                                 jazz_led_invalidate_display,
                                 jazz_led_screen_dump,
                                 jazz_led_text_update, s);
    qemu_console_resize(s->ds, 60, 80);
}
Commit	Line	Data
31211df1 TS	1	/*
31211df1 TS	2	* QEMU JAZZ LED emulator.
5fafdf24	3	*
bcc4e41f	4	* Copyright (c) 2007 Hervé Poussineau
5fafdf24	5	*
31211df1 TS	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:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	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
	22	* THE SOFTWARE.
	23	*/
	24
87ecb68b PB	25	#include "hw.h"
	26	#include "mips.h"
	27	#include "console.h"
31211df1	28	#include "pixel_ops.h"
63b9932d	29	#include "trace.h"
14414da4	30
31211df1 TS	31	typedef enum {
31211df1 TS	32	REDRAW_NONE = 0, REDRAW_SEGMENTS = 1, REDRAW_BACKGROUND = 2,
c227f099	33	} screen_state_t;
31211df1 TS	34
31211df1 TS	35	typedef struct LedState {
c6017850	36	MemoryRegion iomem;
31211df1 TS	37	uint8_t segments;
31211df1 TS	38	DisplayState *ds;
c227f099	39	screen_state_t state;
31211df1 TS	40	} LedState;
31211df1 TS	41
c227f099	42	static uint32_t led_readb(void *opaque, target_phys_addr_t addr)
31211df1 TS	43	{
31211df1 TS	44	LedState *s = opaque;
63b9932d	45	uint8_t val;
31211df1	46
8da3ff18	47	switch (addr) {
31211df1 TS	48	case 0:
	49	val = s->segments;
	50	break;
	51	default:
63b9932d	52	error_report("invalid read at [" TARGET_FMT_plx "]\n", addr);
31211df1 TS	53	val = 0;
	54	}
	55
63b9932d	56	trace_jazz_led_read(addr, val);
14414da4	57
31211df1 TS	58	return val;
	59	}
	60
c227f099	61	static uint32_t led_readw(void *opaque, target_phys_addr_t addr)
31211df1 TS	62	{
	63	uint32_t v;
	64	#ifdef TARGET_WORDS_BIGENDIAN
	65	v = led_readb(opaque, addr) << 8;
	66	v \|= led_readb(opaque, addr + 1);
	67	#else
	68	v = led_readb(opaque, addr);
	69	v \|= led_readb(opaque, addr + 1) << 8;
	70	#endif
	71	return v;
	72	}
	73
c227f099	74	static uint32_t led_readl(void *opaque, target_phys_addr_t addr)
31211df1 TS	75	{
	76	uint32_t v;
	77	#ifdef TARGET_WORDS_BIGENDIAN
	78	v = led_readb(opaque, addr) << 24;
	79	v \|= led_readb(opaque, addr + 1) << 16;
	80	v \|= led_readb(opaque, addr + 2) << 8;
	81	v \|= led_readb(opaque, addr + 3);
	82	#else
	83	v = led_readb(opaque, addr);
	84	v \|= led_readb(opaque, addr + 1) << 8;
	85	v \|= led_readb(opaque, addr + 2) << 16;
	86	v \|= led_readb(opaque, addr + 3) << 24;
	87	#endif
	88	return v;
	89	}
	90
c227f099	91	static void led_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
31211df1 TS	92	{
31211df1 TS	93	LedState *s = opaque;
63b9932d	94	uint8_t new_val = val & 0xff;
31211df1	95
63b9932d	96	trace_jazz_led_write(addr, new_val);
14414da4	97
8da3ff18	98	switch (addr) {
31211df1	99	case 0:
63b9932d	100	s->segments = new_val;
31211df1 TS	101	s->state \|= REDRAW_SEGMENTS;
	102	break;
	103	default:
63b9932d HP	104	error_report("invalid write of 0x%x at [" TARGET_FMT_plx "]\n",
63b9932d HP	105	new_val, addr);
31211df1 TS	106	break;
	107	}
	108	}
	109
c227f099	110	static void led_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
31211df1 TS	111	{
	112	#ifdef TARGET_WORDS_BIGENDIAN
	113	led_writeb(opaque, addr, (val >> 8) & 0xff);
	114	led_writeb(opaque, addr + 1, val & 0xff);
	115	#else
	116	led_writeb(opaque, addr, val & 0xff);
	117	led_writeb(opaque, addr + 1, (val >> 8) & 0xff);
	118	#endif
	119	}
	120
c227f099	121	static void led_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
31211df1 TS	122	{
	123	#ifdef TARGET_WORDS_BIGENDIAN
	124	led_writeb(opaque, addr, (val >> 24) & 0xff);
	125	led_writeb(opaque, addr + 1, (val >> 16) & 0xff);
	126	led_writeb(opaque, addr + 2, (val >> 8) & 0xff);
	127	led_writeb(opaque, addr + 3, val & 0xff);
	128	#else
	129	led_writeb(opaque, addr, val & 0xff);
	130	led_writeb(opaque, addr + 1, (val >> 8) & 0xff);
	131	led_writeb(opaque, addr + 2, (val >> 16) & 0xff);
	132	led_writeb(opaque, addr + 3, (val >> 24) & 0xff);
	133	#endif
	134	}
	135
c6017850 AK	136	static const MemoryRegionOps led_ops = {
	137	.old_mmio = {
	138	.read = { led_readb, led_readw, led_readl, },
	139	.write = { led_writeb, led_writew, led_writel, },
	140	},
	141	.endianness = DEVICE_NATIVE_ENDIAN,
31211df1 TS	142	};
	143
	144	/***********************************************************/
	145	/* jazz_led display */
	146
	147	static void draw_horizontal_line(DisplayState *ds, int posy, int posx1, int posx2, uint32_t color)
	148	{
	149	uint8_t *d;
	150	int x, bpp;
	151
0e1f5a0c AL	152	bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
0e1f5a0c AL	153	d = ds_get_data(ds) + ds_get_linesize(ds) * posy + bpp * posx1;
31211df1 TS	154	switch(bpp) {
	155	case 1:
	156	for (x = posx1; x <= posx2; x++) {
	157	((uint8_t )d) = color;
	158	d++;
	159	}
	160	break;
	161	case 2:
	162	for (x = posx1; x <= posx2; x++) {
	163	((uint16_t )d) = color;
	164	d += 2;
	165	}
	166	break;
	167	case 4:
	168	for (x = posx1; x <= posx2; x++) {
	169	((uint32_t )d) = color;
	170	d += 4;
	171	}
	172	break;
	173	}
	174	}
	175
	176	static void draw_vertical_line(DisplayState *ds, int posx, int posy1, int posy2, uint32_t color)
	177	{
	178	uint8_t *d;
	179	int y, bpp;
	180
0e1f5a0c AL	181	bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
0e1f5a0c AL	182	d = ds_get_data(ds) + ds_get_linesize(ds) * posy1 + bpp * posx;
31211df1 TS	183	switch(bpp) {
	184	case 1:
	185	for (y = posy1; y <= posy2; y++) {
	186	((uint8_t )d) = color;
0e1f5a0c	187	d += ds_get_linesize(ds);
31211df1 TS	188	}
	189	break;
	190	case 2:
	191	for (y = posy1; y <= posy2; y++) {
	192	((uint16_t )d) = color;
0e1f5a0c	193	d += ds_get_linesize(ds);
31211df1 TS	194	}
	195	break;
	196	case 4:
	197	for (y = posy1; y <= posy2; y++) {
	198	((uint32_t )d) = color;
0e1f5a0c	199	d += ds_get_linesize(ds);
31211df1 TS	200	}
	201	break;
	202	}
	203	}
	204
	205	static void jazz_led_update_display(void *opaque)
	206	{
	207	LedState *s = opaque;
	208	DisplayState *ds = s->ds;
	209	uint8_t *d1;
	210	uint32_t color_segment, color_led;
	211	int y, bpp;
	212
	213	if (s->state & REDRAW_BACKGROUND) {
	214	/* clear screen */
0e1f5a0c AL	215	bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
	216	d1 = ds_get_data(ds);
	217	for (y = 0; y < ds_get_height(ds); y++) {
	218	memset(d1, 0x00, ds_get_width(ds) * bpp);
	219	d1 += ds_get_linesize(ds);
31211df1 TS	220	}
	221	}
	222
	223	if (s->state & REDRAW_SEGMENTS) {
	224	/* set colors according to bpp */
0e1f5a0c	225	switch (ds_get_bits_per_pixel(ds)) {
31211df1 TS	226	case 8:
	227	color_segment = rgb_to_pixel8(0xaa, 0xaa, 0xaa);
	228	color_led = rgb_to_pixel8(0x00, 0xff, 0x00);
	229	break;
	230	case 15:
	231	color_segment = rgb_to_pixel15(0xaa, 0xaa, 0xaa);
	232	color_led = rgb_to_pixel15(0x00, 0xff, 0x00);
	233	break;
	234	case 16:
	235	color_segment = rgb_to_pixel16(0xaa, 0xaa, 0xaa);
	236	color_led = rgb_to_pixel16(0x00, 0xff, 0x00);
	237	case 24:
	238	color_segment = rgb_to_pixel24(0xaa, 0xaa, 0xaa);
	239	color_led = rgb_to_pixel24(0x00, 0xff, 0x00);
	240	break;
	241	case 32:
	242	color_segment = rgb_to_pixel32(0xaa, 0xaa, 0xaa);
	243	color_led = rgb_to_pixel32(0x00, 0xff, 0x00);
	244	break;
	245	default:
	246	return;
	247	}
	248
	249	/* display segments */
	250	draw_horizontal_line(ds, 40, 10, 40, (s->segments & 0x02) ? color_segment : 0);
	251	draw_vertical_line(ds, 10, 10, 40, (s->segments & 0x04) ? color_segment : 0);
	252	draw_vertical_line(ds, 10, 40, 70, (s->segments & 0x08) ? color_segment : 0);
	253	draw_horizontal_line(ds, 70, 10, 40, (s->segments & 0x10) ? color_segment : 0);
	254	draw_vertical_line(ds, 40, 40, 70, (s->segments & 0x20) ? color_segment : 0);
	255	draw_vertical_line(ds, 40, 10, 40, (s->segments & 0x40) ? color_segment : 0);
	256	draw_horizontal_line(ds, 10, 10, 40, (s->segments & 0x80) ? color_segment : 0);
	257
	258	/* display led */
	259	if (!(s->segments & 0x01))
	260	color_led = 0; /* black */
	261	draw_horizontal_line(ds, 68, 50, 50, color_led);
	262	draw_horizontal_line(ds, 69, 49, 51, color_led);
	263	draw_horizontal_line(ds, 70, 48, 52, color_led);
	264	draw_horizontal_line(ds, 71, 49, 51, color_led);
	265	draw_horizontal_line(ds, 72, 50, 50, color_led);
	266	}
	267
	268	s->state = REDRAW_NONE;
0e1f5a0c	269	dpy_update(ds, 0, 0, ds_get_width(ds), ds_get_height(ds));
31211df1 TS	270	}
	271
	272	static void jazz_led_invalidate_display(void *opaque)
	273	{
	274	LedState *s = opaque;
	275	s->state \|= REDRAW_SEGMENTS \| REDRAW_BACKGROUND;
	276	}
	277
	278	static void jazz_led_screen_dump(void opaque, const char filename)
	279	{
	280	printf("jazz_led_screen_dump() not implemented\n");
	281	}
	282
c227f099	283	static void jazz_led_text_update(void opaque, console_ch_t chardata)
4d3b6f6e AZ	284	{
	285	LedState *s = opaque;
	286	char buf[2];
	287
	288	dpy_cursor(s->ds, -1, -1);
3023f332	289	qemu_console_resize(s->ds, 2, 1);
4d3b6f6e AZ	290
	291	/* TODO: draw the segments */
	292	snprintf(buf, 2, "%02hhx\n", s->segments);
	293	console_write_ch(chardata++, 0x00200100 \| buf[0]);
	294	console_write_ch(chardata++, 0x00200100 \| buf[1]);
	295
	296	dpy_update(s->ds, 0, 0, 2, 1);
	297	}
	298
c6017850	299	void jazz_led_init(MemoryRegion *address_space, target_phys_addr_t base)
31211df1 TS	300	{
31211df1 TS	301	LedState *s;
31211df1	302
7267c094	303	s = g_malloc0(sizeof(LedState));
31211df1	304
31211df1 TS	305	s->state = REDRAW_SEGMENTS \| REDRAW_BACKGROUND;
31211df1 TS	306
c6017850 AK	307	memory_region_init_io(&s->iomem, &led_ops, s, "led", 1);
c6017850 AK	308	memory_region_add_subregion(address_space, base, &s->iomem);
31211df1	309
3023f332 AL	310	s->ds = graphic_console_init(jazz_led_update_display,
	311	jazz_led_invalidate_display,
	312	jazz_led_screen_dump,
	313	jazz_led_text_update, s);
	314	qemu_console_resize(s->ds, 60, 80);
31211df1	315	}