hw: move I2C controllers to hw/i2c/, configure via default-configs/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 492 deletions

diff --git a/hw/omap_i2c.c b/hw/omap_i2c.c
deleted file mode 100644
index efb2254..0000000
--- a/hw/omap_i2c.c
+++ /dev/null
@@ -1,492 +0,0 @@
-/*
- * TI OMAP on-chip I2C controller.  Only "new I2C" mode supported.
- *
- * Copyright (C) 2007 Andrzej Zaborowski  <balrog@zabor.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-#include "hw/hw.h"
-#include "hw/i2c/i2c.h"
-#include "hw/arm/omap.h"
-#include "hw/sysbus.h"
-
-
-typedef struct OMAPI2CState {
-    SysBusDevice busdev;
-    MemoryRegion iomem;
-    qemu_irq irq;
-    qemu_irq drq[2];
-    i2c_bus *bus;
-
-    uint8_t revision;
-    void *iclk;
-    void *fclk;
-
-    uint8_t mask;
-    uint16_t stat;
-    uint16_t dma;
-    uint16_t count;
-    int count_cur;
-    uint32_t fifo;
-    int rxlen;
-    int txlen;
-    uint16_t control;
-    uint16_t addr[2];
-    uint8_t divider;
-    uint8_t times[2];
-    uint16_t test;
-} OMAPI2CState;
-
-#define OMAP2_INTR_REV	0x34
-#define OMAP2_GC_REV	0x34
-
-static void omap_i2c_interrupts_update(OMAPI2CState *s)
-{
-    qemu_set_irq(s->irq, s->stat & s->mask);
-    if ((s->dma >> 15) & 1)					/* RDMA_EN */
-        qemu_set_irq(s->drq[0], (s->stat >> 3) & 1);		/* RRDY */
-    if ((s->dma >> 7) & 1)					/* XDMA_EN */
-        qemu_set_irq(s->drq[1], (s->stat >> 4) & 1);		/* XRDY */
-}
-
-static void omap_i2c_fifo_run(OMAPI2CState *s)
-{
-    int ack = 1;
-
-    if (!i2c_bus_busy(s->bus))
-        return;
-
-    if ((s->control >> 2) & 1) {				/* RM */
-        if ((s->control >> 1) & 1) {				/* STP */
-            i2c_end_transfer(s->bus);
-            s->control &= ~(1 << 1);				/* STP */
-            s->count_cur = s->count;
-            s->txlen = 0;
-        } else if ((s->control >> 9) & 1) {			/* TRX */
-            while (ack && s->txlen)
-                ack = (i2c_send(s->bus,
-                                        (s->fifo >> ((-- s->txlen) << 3)) &
-                                        0xff) >= 0);
-            s->stat |= 1 << 4;					/* XRDY */
-        } else {
-            while (s->rxlen < 4)
-                s->fifo |= i2c_recv(s->bus) << ((s->rxlen ++) << 3);
-            s->stat |= 1 << 3;					/* RRDY */
-        }
-    } else {
-        if ((s->control >> 9) & 1) {				/* TRX */
-            while (ack && s->count_cur && s->txlen) {
-                ack = (i2c_send(s->bus,
-                                        (s->fifo >> ((-- s->txlen) << 3)) &
-                                        0xff) >= 0);
-                s->count_cur --;
-            }
-            if (ack && s->count_cur)
-                s->stat |= 1 << 4;				/* XRDY */
-            else
-                s->stat &= ~(1 << 4);				/* XRDY */
-            if (!s->count_cur) {
-                s->stat |= 1 << 2;				/* ARDY */
-                s->control &= ~(1 << 10);			/* MST */
-            }
-        } else {
-            while (s->count_cur && s->rxlen < 4) {
-                s->fifo |= i2c_recv(s->bus) << ((s->rxlen ++) << 3);
-                s->count_cur --;
-            }
-            if (s->rxlen)
-                s->stat |= 1 << 3;				/* RRDY */
-            else
-                s->stat &= ~(1 << 3);				/* RRDY */
-        }
-        if (!s->count_cur) {
-            if ((s->control >> 1) & 1) {			/* STP */
-                i2c_end_transfer(s->bus);
-                s->control &= ~(1 << 1);			/* STP */
-                s->count_cur = s->count;
-                s->txlen = 0;
-            } else {
-                s->stat |= 1 << 2;				/* ARDY */
-                s->control &= ~(1 << 10);			/* MST */
-            }
-        }
-    }
-
-    s->stat |= (!ack) << 1;					/* NACK */
-    if (!ack)
-        s->control &= ~(1 << 1);				/* STP */
-}
-
-static void omap_i2c_reset(DeviceState *dev)
-{
-    OMAPI2CState *s = FROM_SYSBUS(OMAPI2CState,
-                                  SYS_BUS_DEVICE(dev));
-    s->mask = 0;
-    s->stat = 0;
-    s->dma = 0;
-    s->count = 0;
-    s->count_cur = 0;
-    s->fifo = 0;
-    s->rxlen = 0;
-    s->txlen = 0;
-    s->control = 0;
-    s->addr[0] = 0;
-    s->addr[1] = 0;
-    s->divider = 0;
-    s->times[0] = 0;
-    s->times[1] = 0;
-    s->test = 0;
-}
-
-static uint32_t omap_i2c_read(void *opaque, hwaddr addr)
-{
-    OMAPI2CState *s = opaque;
-    int offset = addr & OMAP_MPUI_REG_MASK;
-    uint16_t ret;
-
-    switch (offset) {
-    case 0x00:	/* I2C_REV */
-        return s->revision;					/* REV */
-
-    case 0x04:	/* I2C_IE */
-        return s->mask;
-
-    case 0x08:	/* I2C_STAT */
-        return s->stat | (i2c_bus_busy(s->bus) << 12);
-
-    case 0x0c:	/* I2C_IV */
-        if (s->revision >= OMAP2_INTR_REV)
-            break;
-        ret = ffs(s->stat & s->mask);
-        if (ret)
-            s->stat ^= 1 << (ret - 1);
-        omap_i2c_interrupts_update(s);
-        return ret;
-
-    case 0x10:	/* I2C_SYSS */
-        return (s->control >> 15) & 1;				/* I2C_EN */
-
-    case 0x14:	/* I2C_BUF */
-        return s->dma;
-
-    case 0x18:	/* I2C_CNT */
-        return s->count_cur;					/* DCOUNT */
-
-    case 0x1c:	/* I2C_DATA */
-        ret = 0;
-        if (s->control & (1 << 14)) {				/* BE */
-            ret |= ((s->fifo >> 0) & 0xff) << 8;
-            ret |= ((s->fifo >> 8) & 0xff) << 0;
-        } else {
-            ret |= ((s->fifo >> 8) & 0xff) << 8;
-            ret |= ((s->fifo >> 0) & 0xff) << 0;
-        }
-        if (s->rxlen == 1) {
-            s->stat |= 1 << 15;					/* SBD */
-            s->rxlen = 0;
-        } else if (s->rxlen > 1) {
-            if (s->rxlen > 2)
-                s->fifo >>= 16;
-            s->rxlen -= 2;
-        } else {
-            /* XXX: remote access (qualifier) error - what's that?  */
-        }
-        if (!s->rxlen) {
-            s->stat &= ~(1 << 3);				/* RRDY */
-            if (((s->control >> 10) & 1) &&			/* MST */
-                            ((~s->control >> 9) & 1)) {		/* TRX */
-                s->stat |= 1 << 2;				/* ARDY */
-                s->control &= ~(1 << 10);			/* MST */
-            }
-        }
-        s->stat &= ~(1 << 11);					/* ROVR */
-        omap_i2c_fifo_run(s);
-        omap_i2c_interrupts_update(s);
-        return ret;
-
-    case 0x20:	/* I2C_SYSC */
-        return 0;
-
-    case 0x24:	/* I2C_CON */
-        return s->control;
-
-    case 0x28:	/* I2C_OA */
-        return s->addr[0];
-
-    case 0x2c:	/* I2C_SA */
-        return s->addr[1];
-
-    case 0x30:	/* I2C_PSC */
-        return s->divider;
-
-    case 0x34:	/* I2C_SCLL */
-        return s->times[0];
-
-    case 0x38:	/* I2C_SCLH */
-        return s->times[1];
-
-    case 0x3c:	/* I2C_SYSTEST */
-        if (s->test & (1 << 15)) {				/* ST_EN */
-            s->test ^= 0xa;
-            return s->test;
-        } else
-            return s->test & ~0x300f;
-    }
-
-    OMAP_BAD_REG(addr);
-    return 0;
-}
-
-static void omap_i2c_write(void *opaque, hwaddr addr,
-                uint32_t value)
-{
-    OMAPI2CState *s = opaque;
-    int offset = addr & OMAP_MPUI_REG_MASK;
-    int nack;
-
-    switch (offset) {
-    case 0x00:	/* I2C_REV */
-    case 0x0c:	/* I2C_IV */
-    case 0x10:	/* I2C_SYSS */
-        OMAP_RO_REG(addr);
-        return;
-
-    case 0x04:	/* I2C_IE */
-        s->mask = value & (s->revision < OMAP2_GC_REV ? 0x1f : 0x3f);
-        break;
-
-    case 0x08:	/* I2C_STAT */
-        if (s->revision < OMAP2_INTR_REV) {
-            OMAP_RO_REG(addr);
-            return;
-        }
-
-        /* RRDY and XRDY are reset by hardware. (in all versions???) */
-        s->stat &= ~(value & 0x27);
-        omap_i2c_interrupts_update(s);
-        break;
-
-    case 0x14:	/* I2C_BUF */
-        s->dma = value & 0x8080;
-        if (value & (1 << 15))					/* RDMA_EN */
-            s->mask &= ~(1 << 3);				/* RRDY_IE */
-        if (value & (1 << 7))					/* XDMA_EN */
-            s->mask &= ~(1 << 4);				/* XRDY_IE */
-        break;
-
-    case 0x18:	/* I2C_CNT */
-        s->count = value;					/* DCOUNT */
-        break;
-
-    case 0x1c:	/* I2C_DATA */
-        if (s->txlen > 2) {
-            /* XXX: remote access (qualifier) error - what's that?  */
-            break;
-        }
-        s->fifo <<= 16;
-        s->txlen += 2;
-        if (s->control & (1 << 14)) {				/* BE */
-            s->fifo |= ((value >> 8) & 0xff) << 8;
-            s->fifo |= ((value >> 0) & 0xff) << 0;
-        } else {
-            s->fifo |= ((value >> 0) & 0xff) << 8;
-            s->fifo |= ((value >> 8) & 0xff) << 0;
-        }
-        s->stat &= ~(1 << 10);					/* XUDF */
-        if (s->txlen > 2)
-            s->stat &= ~(1 << 4);				/* XRDY */
-        omap_i2c_fifo_run(s);
-        omap_i2c_interrupts_update(s);
-        break;
-
-    case 0x20:	/* I2C_SYSC */
-        if (s->revision < OMAP2_INTR_REV) {
-            OMAP_BAD_REG(addr);
-            return;
-        }
-
-        if (value & 2)
-            omap_i2c_reset(&s->busdev.qdev);
-        break;
-
-    case 0x24:	/* I2C_CON */
-        s->control = value & 0xcf87;
-        if (~value & (1 << 15)) {				/* I2C_EN */
-            if (s->revision < OMAP2_INTR_REV)
-                omap_i2c_reset(&s->busdev.qdev);
-            break;
-        }
-        if ((value & (1 << 15)) && !(value & (1 << 10))) {	/* MST */
-            fprintf(stderr, "%s: I^2C slave mode not supported\n",
-                            __FUNCTION__);
-            break;
-        }
-        if ((value & (1 << 15)) && value & (1 << 8)) {		/* XA */
-            fprintf(stderr, "%s: 10-bit addressing mode not supported\n",
-                            __FUNCTION__);
-            break;
-        }
-        if ((value & (1 << 15)) && value & (1 << 0)) {		/* STT */
-            nack = !!i2c_start_transfer(s->bus, s->addr[1],	/* SA */
-                            (~value >> 9) & 1);			/* TRX */
-            s->stat |= nack << 1;				/* NACK */
-            s->control &= ~(1 << 0);				/* STT */
-            s->fifo = 0;
-            if (nack)
-                s->control &= ~(1 << 1);			/* STP */
-            else {
-                s->count_cur = s->count;
-                omap_i2c_fifo_run(s);
-            }
-            omap_i2c_interrupts_update(s);
-        }
-        break;
-
-    case 0x28:	/* I2C_OA */
-        s->addr[0] = value & 0x3ff;
-        break;
-
-    case 0x2c:	/* I2C_SA */
-        s->addr[1] = value & 0x3ff;
-        break;
-
-    case 0x30:	/* I2C_PSC */
-        s->divider = value;
-        break;
-
-    case 0x34:	/* I2C_SCLL */
-        s->times[0] = value;
-        break;
-
-    case 0x38:	/* I2C_SCLH */
-        s->times[1] = value;
-        break;
-
-    case 0x3c:	/* I2C_SYSTEST */
-        s->test = value & 0xf80f;
-        if (value & (1 << 11))					/* SBB */
-            if (s->revision >= OMAP2_INTR_REV) {
-                s->stat |= 0x3f;
-                omap_i2c_interrupts_update(s);
-            }
-        if (value & (1 << 15))					/* ST_EN */
-            fprintf(stderr, "%s: System Test not supported\n", __FUNCTION__);
-        break;
-
-    default:
-        OMAP_BAD_REG(addr);
-        return;
-    }
-}
-
-static void omap_i2c_writeb(void *opaque, hwaddr addr,
-                uint32_t value)
-{
-    OMAPI2CState *s = opaque;
-    int offset = addr & OMAP_MPUI_REG_MASK;
-
-    switch (offset) {
-    case 0x1c:	/* I2C_DATA */
-        if (s->txlen > 2) {
-            /* XXX: remote access (qualifier) error - what's that?  */
-            break;
-        }
-        s->fifo <<= 8;
-        s->txlen += 1;
-        s->fifo |= value & 0xff;
-        s->stat &= ~(1 << 10);					/* XUDF */
-        if (s->txlen > 2)
-            s->stat &= ~(1 << 4);				/* XRDY */
-        omap_i2c_fifo_run(s);
-        omap_i2c_interrupts_update(s);
-        break;
-
-    default:
-        OMAP_BAD_REG(addr);
-        return;
-    }
-}
-
-static const MemoryRegionOps omap_i2c_ops = {
-    .old_mmio = {
-        .read = {
-            omap_badwidth_read16,
-            omap_i2c_read,
-            omap_badwidth_read16,
-        },
-        .write = {
-            omap_i2c_writeb, /* Only the last fifo write can be 8 bit.  */
-            omap_i2c_write,
-            omap_badwidth_write16,
-        },
-    },
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static int omap_i2c_init(SysBusDevice *dev)
-{
-    OMAPI2CState *s = FROM_SYSBUS(OMAPI2CState, dev);
-
-    if (!s->fclk) {
-        hw_error("omap_i2c: fclk not connected\n");
-    }
-    if (s->revision >= OMAP2_INTR_REV && !s->iclk) {
-        /* Note that OMAP1 doesn't have a separate interface clock */
-        hw_error("omap_i2c: iclk not connected\n");
-    }
-    sysbus_init_irq(dev, &s->irq);
-    sysbus_init_irq(dev, &s->drq[0]);
-    sysbus_init_irq(dev, &s->drq[1]);
-    memory_region_init_io(&s->iomem, &omap_i2c_ops, s, "omap.i2c",
-                          (s->revision < OMAP2_INTR_REV) ? 0x800 : 0x1000);
-    sysbus_init_mmio(dev, &s->iomem);
-    s->bus = i2c_init_bus(&dev->qdev, NULL);
-    return 0;
-}
-
-static Property omap_i2c_properties[] = {
-    DEFINE_PROP_UINT8("revision", OMAPI2CState, revision, 0),
-    DEFINE_PROP_PTR("iclk", OMAPI2CState, iclk),
-    DEFINE_PROP_PTR("fclk", OMAPI2CState, fclk),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void omap_i2c_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-    k->init = omap_i2c_init;
-    dc->props = omap_i2c_properties;
-    dc->reset = omap_i2c_reset;
-}
-
-static const TypeInfo omap_i2c_info = {
-    .name = "omap_i2c",
-    .parent = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(OMAPI2CState),
-    .class_init = omap_i2c_class_init,
-};
-
-static void omap_i2c_register_types(void)
-{
-    type_register_static(&omap_i2c_info);
-}
-
-i2c_bus *omap_i2c_bus(DeviceState *omap_i2c)
-{
-    OMAPI2CState *s = FROM_SYSBUS(OMAPI2CState, SYS_BUS_DEVICE(omap_i2c));
-    return s->bus;
-}
-
-type_init(omap_i2c_register_types)