[qemu.git] / hw / ide / cmd646.c

/*
 * QEMU IDE Emulation: PCI cmd646 support.
 *
 * Copyright (c) 2003 Fabrice Bellard
 * Copyright (c) 2006 Openedhand Ltd.
 *
 * 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/hw.h>
#include <hw/pc.h>
#include <hw/pci/pci.h>
#include <hw/isa.h>
#include "block/block.h"
#include "sysemu.h"
#include "dma.h"

#include <hw/ide/pci.h>

/* CMD646 specific */
#define MRDMODE		0x71
#define   MRDMODE_INTR_CH0	0x04
#define   MRDMODE_INTR_CH1	0x08
#define   MRDMODE_BLK_CH0	0x10
#define   MRDMODE_BLK_CH1	0x20
#define UDIDETCR0	0x73
#define UDIDETCR1	0x7B

static void cmd646_update_irq(PCIIDEState *d);

static uint64_t cmd646_cmd_read(void *opaque, hwaddr addr,
                                unsigned size)
{
    CMD646BAR *cmd646bar = opaque;

    if (addr != 2 || size != 1) {
        return ((uint64_t)1 << (size * 8)) - 1;
    }
    return ide_status_read(cmd646bar->bus, addr + 2);
}

static void cmd646_cmd_write(void *opaque, hwaddr addr,
                             uint64_t data, unsigned size)
{
    CMD646BAR *cmd646bar = opaque;

    if (addr != 2 || size != 1) {
        return;
    }
    ide_cmd_write(cmd646bar->bus, addr + 2, data);
}

static const MemoryRegionOps cmd646_cmd_ops = {
    .read = cmd646_cmd_read,
    .write = cmd646_cmd_write,
    .endianness = DEVICE_LITTLE_ENDIAN,
};

static uint64_t cmd646_data_read(void *opaque, hwaddr addr,
                                 unsigned size)
{
    CMD646BAR *cmd646bar = opaque;

    if (size == 1) {
        return ide_ioport_read(cmd646bar->bus, addr);
    } else if (addr == 0) {
        if (size == 2) {
            return ide_data_readw(cmd646bar->bus, addr);
        } else {
            return ide_data_readl(cmd646bar->bus, addr);
        }
    }
    return ((uint64_t)1 << (size * 8)) - 1;
}

static void cmd646_data_write(void *opaque, hwaddr addr,
                             uint64_t data, unsigned size)
{
    CMD646BAR *cmd646bar = opaque;

    if (size == 1) {
        ide_ioport_write(cmd646bar->bus, addr, data);
    } else if (addr == 0) {
        if (size == 2) {
            ide_data_writew(cmd646bar->bus, addr, data);
        } else {
            ide_data_writel(cmd646bar->bus, addr, data);
        }
    }
}

static const MemoryRegionOps cmd646_data_ops = {
    .read = cmd646_data_read,
    .write = cmd646_data_write,
    .endianness = DEVICE_LITTLE_ENDIAN,
};

static void setup_cmd646_bar(PCIIDEState *d, int bus_num)
{
    IDEBus *bus = &d->bus[bus_num];
    CMD646BAR *bar = &d->cmd646_bar[bus_num];

    bar->bus = bus;
    bar->pci_dev = d;
    memory_region_init_io(&bar->cmd, &cmd646_cmd_ops, bar, "cmd646-cmd", 4);
    memory_region_init_io(&bar->data, &cmd646_data_ops, bar, "cmd646-data", 8);
}

static uint64_t bmdma_read(void *opaque, hwaddr addr,
                           unsigned size)
{
    BMDMAState *bm = opaque;
    PCIIDEState *pci_dev = bm->pci_dev;
    uint32_t val;

    if (size != 1) {
        return ((uint64_t)1 << (size * 8)) - 1;
    }

    switch(addr & 3) {
    case 0:
        val = bm->cmd;
        break;
    case 1:
        val = pci_dev->dev.config[MRDMODE];
        break;
    case 2:
        val = bm->status;
        break;
    case 3:
        if (bm == &pci_dev->bmdma[0]) {
            val = pci_dev->dev.config[UDIDETCR0];
        } else {
            val = pci_dev->dev.config[UDIDETCR1];
        }
        break;
    default:
        val = 0xff;
        break;
    }
#ifdef DEBUG_IDE
    printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val);
#endif
    return val;
}

static void bmdma_write(void *opaque, hwaddr addr,
                        uint64_t val, unsigned size)
{
    BMDMAState *bm = opaque;
    PCIIDEState *pci_dev = bm->pci_dev;

    if (size != 1) {
        return;
    }

#ifdef DEBUG_IDE
    printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val);
#endif
    switch(addr & 3) {
    case 0:
        bmdma_cmd_writeb(bm, val);
        break;
    case 1:
        pci_dev->dev.config[MRDMODE] =
            (pci_dev->dev.config[MRDMODE] & ~0x30) | (val & 0x30);
        cmd646_update_irq(pci_dev);
        break;
    case 2:
        bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06);
        break;
    case 3:
        if (bm == &pci_dev->bmdma[0])
            pci_dev->dev.config[UDIDETCR0] = val;
        else
            pci_dev->dev.config[UDIDETCR1] = val;
        break;
    }
}

static const MemoryRegionOps cmd646_bmdma_ops = {
    .read = bmdma_read,
    .write = bmdma_write,
};

static void bmdma_setup_bar(PCIIDEState *d)
{
    BMDMAState *bm;
    int i;

    memory_region_init(&d->bmdma_bar, "cmd646-bmdma", 16);
    for(i = 0;i < 2; i++) {
        bm = &d->bmdma[i];
        memory_region_init_io(&bm->extra_io, &cmd646_bmdma_ops, bm,
                              "cmd646-bmdma-bus", 4);
        memory_region_add_subregion(&d->bmdma_bar, i * 8, &bm->extra_io);
        memory_region_init_io(&bm->addr_ioport, &bmdma_addr_ioport_ops, bm,
                              "cmd646-bmdma-ioport", 4);
        memory_region_add_subregion(&d->bmdma_bar, i * 8 + 4, &bm->addr_ioport);
    }
}

/* XXX: call it also when the MRDMODE is changed from the PCI config
   registers */
static void cmd646_update_irq(PCIIDEState *d)
{
    int pci_level;
    pci_level = ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH0) &&
                 !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH0)) ||
        ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH1) &&
         !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH1));
    qemu_set_irq(d->dev.irq[0], pci_level);
}

/* the PCI irq level is the logical OR of the two channels */
static void cmd646_set_irq(void *opaque, int channel, int level)
{
    PCIIDEState *d = opaque;
    int irq_mask;

    irq_mask = MRDMODE_INTR_CH0 << channel;
    if (level)
        d->dev.config[MRDMODE] |= irq_mask;
    else
        d->dev.config[MRDMODE] &= ~irq_mask;
    cmd646_update_irq(d);
}

static void cmd646_reset(void *opaque)
{
    PCIIDEState *d = opaque;
    unsigned int i;

    for (i = 0; i < 2; i++) {
        ide_bus_reset(&d->bus[i]);
    }
}

/* CMD646 PCI IDE controller */
static int pci_cmd646_ide_initfn(PCIDevice *dev)
{
    PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
    uint8_t *pci_conf = d->dev.config;
    qemu_irq *irq;
    int i;

    pci_conf[PCI_CLASS_PROG] = 0x8f;

    pci_conf[0x51] = 0x04; // enable IDE0
    if (d->secondary) {
        /* XXX: if not enabled, really disable the seconday IDE controller */
        pci_conf[0x51] |= 0x08; /* enable IDE1 */
    }

    setup_cmd646_bar(d, 0);
    setup_cmd646_bar(d, 1);
    pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[0].data);
    pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[0].cmd);
    pci_register_bar(dev, 2, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[1].data);
    pci_register_bar(dev, 3, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[1].cmd);
    bmdma_setup_bar(d);
    pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar);

    /* TODO: RST# value should be 0 */
    pci_conf[PCI_INTERRUPT_PIN] = 0x01; // interrupt on pin 1

    irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
    for (i = 0; i < 2; i++) {
        ide_bus_new(&d->bus[i], &d->dev.qdev, i);
        ide_init2(&d->bus[i], irq[i]);

        bmdma_init(&d->bus[i], &d->bmdma[i], d);
        d->bmdma[i].bus = &d->bus[i];
        qemu_add_vm_change_state_handler(d->bus[i].dma->ops->restart_cb,
                                         &d->bmdma[i].dma);
    }

    vmstate_register(&dev->qdev, 0, &vmstate_ide_pci, d);
    qemu_register_reset(cmd646_reset, d);
    return 0;
}

static void pci_cmd646_ide_exitfn(PCIDevice *dev)
{
    PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
    unsigned i;

    for (i = 0; i < 2; ++i) {
        memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].extra_io);
        memory_region_destroy(&d->bmdma[i].extra_io);
        memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].addr_ioport);
        memory_region_destroy(&d->bmdma[i].addr_ioport);
        memory_region_destroy(&d->cmd646_bar[i].cmd);
        memory_region_destroy(&d->cmd646_bar[i].data);
    }
    memory_region_destroy(&d->bmdma_bar);
}

void pci_cmd646_ide_init(PCIBus *bus, DriveInfo **hd_table,
                         int secondary_ide_enabled)
{
    PCIDevice *dev;

    dev = pci_create(bus, -1, "cmd646-ide");
    qdev_prop_set_uint32(&dev->qdev, "secondary", secondary_ide_enabled);
    qdev_init_nofail(&dev->qdev);

    pci_ide_create_devs(dev, hd_table);
}

static Property cmd646_ide_properties[] = {
    DEFINE_PROP_UINT32("secondary", PCIIDEState, secondary, 0),
    DEFINE_PROP_END_OF_LIST(),
};

static void cmd646_ide_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);

    k->init = pci_cmd646_ide_initfn;
    k->exit = pci_cmd646_ide_exitfn;
    k->vendor_id = PCI_VENDOR_ID_CMD;
    k->device_id = PCI_DEVICE_ID_CMD_646;
    k->revision = 0x07;
    k->class_id = PCI_CLASS_STORAGE_IDE;
    dc->props = cmd646_ide_properties;
}

static TypeInfo cmd646_ide_info = {
    .name          = "cmd646-ide",
    .parent        = TYPE_PCI_DEVICE,
    .instance_size = sizeof(PCIIDEState),
    .class_init    = cmd646_ide_class_init,
};

static void cmd646_ide_register_types(void)
{
    type_register_static(&cmd646_ide_info);
}

type_init(cmd646_ide_register_types)
Commit	Line	Data
4c3df0ec JQ	1	/*
	2	* QEMU IDE Emulation: PCI cmd646 support.
	3	*
	4	* Copyright (c) 2003 Fabrice Bellard
	5	* Copyright (c) 2006 Openedhand Ltd.
	6	*
	7	* Permission is hereby granted, free of charge, to any person obtaining a copy
	8	* of this software and associated documentation files (the "Software"), to deal
	9	* in the Software without restriction, including without limitation the rights
	10	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	11	* copies of the Software, and to permit persons to whom the Software is
	12	* furnished to do so, subject to the following conditions:
	13	*
	14	* The above copyright notice and this permission notice shall be included in
	15	* all copies or substantial portions of the Software.
	16	*
	17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	18	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	19	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	20	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	21	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	22	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	23	* THE SOFTWARE.
	24	*/
	25	#include <hw/hw.h>
	26	#include <hw/pc.h>
a2cb15b0	27	#include <hw/pci/pci.h>
4c3df0ec	28	#include <hw/isa.h>
737e150e	29	#include "block/block.h"
4c3df0ec JQ	30	#include "sysemu.h"
	31	#include "dma.h"
	32
	33	#include <hw/ide/pci.h>
	34
	35	/* CMD646 specific */
	36	#define MRDMODE 0x71
	37	#define MRDMODE_INTR_CH0 0x04
	38	#define MRDMODE_INTR_CH1 0x08
	39	#define MRDMODE_BLK_CH0 0x10
	40	#define MRDMODE_BLK_CH1 0x20
	41	#define UDIDETCR0 0x73
	42	#define UDIDETCR1 0x7B
	43
	44	static void cmd646_update_irq(PCIIDEState *d);
	45
a8170e5e	46	static uint64_t cmd646_cmd_read(void *opaque, hwaddr addr,
a9deb8c6	47	unsigned size)
4c3df0ec	48	{
a9deb8c6 AK	49	CMD646BAR *cmd646bar = opaque;
	50
	51	if (addr != 2 \|\| size != 1) {
	52	return ((uint64_t)1 << (size * 8)) - 1;
	53	}
	54	return ide_status_read(cmd646bar->bus, addr + 2);
	55	}
	56
a8170e5e	57	static void cmd646_cmd_write(void *opaque, hwaddr addr,
a9deb8c6 AK	58	uint64_t data, unsigned size)
	59	{
	60	CMD646BAR *cmd646bar = opaque;
	61
	62	if (addr != 2 \|\| size != 1) {
	63	return;
	64	}
	65	ide_cmd_write(cmd646bar->bus, addr + 2, data);
	66	}
	67
a348f108	68	static const MemoryRegionOps cmd646_cmd_ops = {
a9deb8c6 AK	69	.read = cmd646_cmd_read,
	70	.write = cmd646_cmd_write,
	71	.endianness = DEVICE_LITTLE_ENDIAN,
	72	};
	73
a8170e5e	74	static uint64_t cmd646_data_read(void *opaque, hwaddr addr,
a9deb8c6 AK	75	unsigned size)
	76	{
	77	CMD646BAR *cmd646bar = opaque;
	78
	79	if (size == 1) {
	80	return ide_ioport_read(cmd646bar->bus, addr);
	81	} else if (addr == 0) {
	82	if (size == 2) {
	83	return ide_data_readw(cmd646bar->bus, addr);
4c3df0ec	84	} else {
a9deb8c6	85	return ide_data_readl(cmd646bar->bus, addr);
4c3df0ec JQ	86	}
4c3df0ec JQ	87	}
a9deb8c6	88	return ((uint64_t)1 << (size * 8)) - 1;
4c3df0ec JQ	89	}
4c3df0ec JQ	90
a8170e5e	91	static void cmd646_data_write(void *opaque, hwaddr addr,
a9deb8c6	92	uint64_t data, unsigned size)
61f58e59	93	{
a9deb8c6 AK	94	CMD646BAR *cmd646bar = opaque;
	95
	96	if (size == 1) {
0ed8b6f6	97	ide_ioport_write(cmd646bar->bus, addr, data);
a9deb8c6 AK	98	} else if (addr == 0) {
a9deb8c6 AK	99	if (size == 2) {
0ed8b6f6	100	ide_data_writew(cmd646bar->bus, addr, data);
a9deb8c6	101	} else {
0ed8b6f6	102	ide_data_writel(cmd646bar->bus, addr, data);
a9deb8c6 AK	103	}
	104	}
	105	}
	106
a348f108	107	static const MemoryRegionOps cmd646_data_ops = {
a9deb8c6 AK	108	.read = cmd646_data_read,
	109	.write = cmd646_data_write,
	110	.endianness = DEVICE_LITTLE_ENDIAN,
	111	};
	112
	113	static void setup_cmd646_bar(PCIIDEState *d, int bus_num)
	114	{
	115	IDEBus *bus = &d->bus[bus_num];
	116	CMD646BAR *bar = &d->cmd646_bar[bus_num];
	117
	118	bar->bus = bus;
	119	bar->pci_dev = d;
	120	memory_region_init_io(&bar->cmd, &cmd646_cmd_ops, bar, "cmd646-cmd", 4);
	121	memory_region_init_io(&bar->data, &cmd646_data_ops, bar, "cmd646-data", 8);
	122	}
	123
a8170e5e	124	static uint64_t bmdma_read(void *opaque, hwaddr addr,
a9deb8c6 AK	125	unsigned size)
	126	{
	127	BMDMAState *bm = opaque;
	128	PCIIDEState *pci_dev = bm->pci_dev;
4c3df0ec JQ	129	uint32_t val;
4c3df0ec JQ	130
a9deb8c6 AK	131	if (size != 1) {
	132	return ((uint64_t)1 << (size * 8)) - 1;
	133	}
	134
4c3df0ec JQ	135	switch(addr & 3) {
	136	case 0:
	137	val = bm->cmd;
	138	break;
	139	case 1:
58c0e732	140	val = pci_dev->dev.config[MRDMODE];
4c3df0ec JQ	141	break;
	142	case 2:
	143	val = bm->status;
	144	break;
	145	case 3:
70ae65f5	146	if (bm == &pci_dev->bmdma[0]) {
58c0e732	147	val = pci_dev->dev.config[UDIDETCR0];
4c3df0ec	148	} else {
58c0e732	149	val = pci_dev->dev.config[UDIDETCR1];
4c3df0ec JQ	150	}
	151	break;
	152	default:
	153	val = 0xff;
	154	break;
	155	}
	156	#ifdef DEBUG_IDE
08406b03	157	printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val);
4c3df0ec JQ	158	#endif
	159	return val;
	160	}
	161
a8170e5e	162	static void bmdma_write(void *opaque, hwaddr addr,
a9deb8c6	163	uint64_t val, unsigned size)
70ae65f5	164	{
a9deb8c6 AK	165	BMDMAState *bm = opaque;
a9deb8c6 AK	166	PCIIDEState *pci_dev = bm->pci_dev;
70ae65f5	167
a9deb8c6 AK	168	if (size != 1) {
	169	return;
	170	}
70ae65f5	171
4c3df0ec	172	#ifdef DEBUG_IDE
08406b03	173	printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val);
4c3df0ec JQ	174	#endif
4c3df0ec JQ	175	switch(addr & 3) {
50a48094	176	case 0:
a9deb8c6	177	bmdma_cmd_writeb(bm, val);
50a48094	178	break;
4c3df0ec	179	case 1:
58c0e732 JQ	180	pci_dev->dev.config[MRDMODE] =
	181	(pci_dev->dev.config[MRDMODE] & ~0x30) \| (val & 0x30);
	182	cmd646_update_irq(pci_dev);
4c3df0ec JQ	183	break;
	184	case 2:
	185	bm->status = (val & 0x60) \| (bm->status & 1) \| (bm->status & ~val & 0x06);
	186	break;
	187	case 3:
70ae65f5	188	if (bm == &pci_dev->bmdma[0])
58c0e732 JQ	189	pci_dev->dev.config[UDIDETCR0] = val;
	190	else
	191	pci_dev->dev.config[UDIDETCR1] = val;
4c3df0ec JQ	192	break;
	193	}
	194	}
	195
a348f108	196	static const MemoryRegionOps cmd646_bmdma_ops = {
a9deb8c6 AK	197	.read = bmdma_read,
	198	.write = bmdma_write,
	199	};
70ae65f5	200
a9deb8c6	201	static void bmdma_setup_bar(PCIIDEState *d)
4c3df0ec	202	{
a9deb8c6	203	BMDMAState *bm;
4c3df0ec JQ	204	int i;
4c3df0ec JQ	205
a9deb8c6	206	memory_region_init(&d->bmdma_bar, "cmd646-bmdma", 16);
4c3df0ec	207	for(i = 0;i < 2; i++) {
a9deb8c6 AK	208	bm = &d->bmdma[i];
	209	memory_region_init_io(&bm->extra_io, &cmd646_bmdma_ops, bm,
	210	"cmd646-bmdma-bus", 4);
	211	memory_region_add_subregion(&d->bmdma_bar, i * 8, &bm->extra_io);
	212	memory_region_init_io(&bm->addr_ioport, &bmdma_addr_ioport_ops, bm,
	213	"cmd646-bmdma-ioport", 4);
	214	memory_region_add_subregion(&d->bmdma_bar, i * 8 + 4, &bm->addr_ioport);
4c3df0ec JQ	215	}
	216	}
	217
	218	/* XXX: call it also when the MRDMODE is changed from the PCI config
	219	registers */
	220	static void cmd646_update_irq(PCIIDEState *d)
	221	{
	222	int pci_level;
	223	pci_level = ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH0) &&
	224	!(d->dev.config[MRDMODE] & MRDMODE_BLK_CH0)) \|\|
	225	((d->dev.config[MRDMODE] & MRDMODE_INTR_CH1) &&
	226	!(d->dev.config[MRDMODE] & MRDMODE_BLK_CH1));
	227	qemu_set_irq(d->dev.irq[0], pci_level);
	228	}
	229
	230	/* the PCI irq level is the logical OR of the two channels */
	231	static void cmd646_set_irq(void *opaque, int channel, int level)
	232	{
	233	PCIIDEState *d = opaque;
	234	int irq_mask;
	235
	236	irq_mask = MRDMODE_INTR_CH0 << channel;
	237	if (level)
	238	d->dev.config[MRDMODE] \|= irq_mask;
	239	else
	240	d->dev.config[MRDMODE] &= ~irq_mask;
	241	cmd646_update_irq(d);
	242	}
	243
	244	static void cmd646_reset(void *opaque)
	245	{
	246	PCIIDEState *d = opaque;
	247	unsigned int i;
	248
4a643563 BS	249	for (i = 0; i < 2; i++) {
4a643563 BS	250	ide_bus_reset(&d->bus[i]);
4a643563	251	}
4c3df0ec JQ	252	}
	253
	254	/* CMD646 PCI IDE controller */
	255	static int pci_cmd646_ide_initfn(PCIDevice *dev)
	256	{
	257	PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
	258	uint8_t *pci_conf = d->dev.config;
	259	qemu_irq *irq;
61d9d6b0	260	int i;
4c3df0ec	261
409570a7	262	pci_conf[PCI_CLASS_PROG] = 0x8f;
4c3df0ec	263
4c3df0ec JQ	264	pci_conf[0x51] = 0x04; // enable IDE0
	265	if (d->secondary) {
	266	/* XXX: if not enabled, really disable the seconday IDE controller */
	267	pci_conf[0x51] \|= 0x08; /* enable IDE1 */
	268	}
	269
a9deb8c6 AK	270	setup_cmd646_bar(d, 0);
a9deb8c6 AK	271	setup_cmd646_bar(d, 1);
e824b2cc AK	272	pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[0].data);
	273	pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[0].cmd);
	274	pci_register_bar(dev, 2, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[1].data);
	275	pci_register_bar(dev, 3, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[1].cmd);
a9deb8c6	276	bmdma_setup_bar(d);
e824b2cc	277	pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar);
4c3df0ec	278
409570a7 MT	279	/* TODO: RST# value should be 0 */
409570a7 MT	280	pci_conf[PCI_INTERRUPT_PIN] = 0x01; // interrupt on pin 1
4c3df0ec JQ	281
4c3df0ec JQ	282	irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
61d9d6b0 SH	283	for (i = 0; i < 2; i++) {
	284	ide_bus_new(&d->bus[i], &d->dev.qdev, i);
	285	ide_init2(&d->bus[i], irq[i]);
	286
a9deb8c6	287	bmdma_init(&d->bus[i], &d->bmdma[i], d);
f56b18c0	288	d->bmdma[i].bus = &d->bus[i];
61d9d6b0	289	qemu_add_vm_change_state_handler(d->bus[i].dma->ops->restart_cb,
f56b18c0	290	&d->bmdma[i].dma);
61d9d6b0	291	}
4c3df0ec	292
0be71e32	293	vmstate_register(&dev->qdev, 0, &vmstate_ide_pci, d);
4c3df0ec	294	qemu_register_reset(cmd646_reset, d);
4c3df0ec JQ	295	return 0;
	296	}
	297
f90c2bcd	298	static void pci_cmd646_ide_exitfn(PCIDevice *dev)
a9deb8c6 AK	299	{
	300	PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
	301	unsigned i;
	302
	303	for (i = 0; i < 2; ++i) {
	304	memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].extra_io);
	305	memory_region_destroy(&d->bmdma[i].extra_io);
	306	memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].addr_ioport);
	307	memory_region_destroy(&d->bmdma[i].addr_ioport);
	308	memory_region_destroy(&d->cmd646_bar[i].cmd);
	309	memory_region_destroy(&d->cmd646_bar[i].data);
	310	}
	311	memory_region_destroy(&d->bmdma_bar);
a9deb8c6 AK	312	}
a9deb8c6 AK	313
4c3df0ec JQ	314	void pci_cmd646_ide_init(PCIBus bus, DriveInfo *hd_table,
	315	int secondary_ide_enabled)
	316	{
	317	PCIDevice *dev;
	318
556cd098	319	dev = pci_create(bus, -1, "cmd646-ide");
4c3df0ec JQ	320	qdev_prop_set_uint32(&dev->qdev, "secondary", secondary_ide_enabled);
	321	qdev_init_nofail(&dev->qdev);
	322
	323	pci_ide_create_devs(dev, hd_table);
	324	}
	325
40021f08 AL	326	static Property cmd646_ide_properties[] = {
	327	DEFINE_PROP_UINT32("secondary", PCIIDEState, secondary, 0),
	328	DEFINE_PROP_END_OF_LIST(),
	329	};
	330
	331	static void cmd646_ide_class_init(ObjectClass klass, void data)
	332	{
39bffca2	333	DeviceClass *dc = DEVICE_CLASS(klass);
40021f08 AL	334	PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
	335
	336	k->init = pci_cmd646_ide_initfn;
	337	k->exit = pci_cmd646_ide_exitfn;
	338	k->vendor_id = PCI_VENDOR_ID_CMD;
	339	k->device_id = PCI_DEVICE_ID_CMD_646;
	340	k->revision = 0x07;
	341	k->class_id = PCI_CLASS_STORAGE_IDE;
39bffca2	342	dc->props = cmd646_ide_properties;
40021f08 AL	343	}
40021f08 AL	344
39bffca2 AL	345	static TypeInfo cmd646_ide_info = {
	346	.name = "cmd646-ide",
	347	.parent = TYPE_PCI_DEVICE,
	348	.instance_size = sizeof(PCIIDEState),
	349	.class_init = cmd646_ide_class_init,
4c3df0ec JQ	350	};
4c3df0ec JQ	351
83f7d43a	352	static void cmd646_ide_register_types(void)
4c3df0ec	353	{
39bffca2	354	type_register_static(&cmd646_ide_info);
4c3df0ec	355	}
83f7d43a AF	356
83f7d43a AF	357	type_init(cmd646_ide_register_types)