tusb6010: Convert to qdev

Convert the tusb6010 to qdev.

Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com>
[Riku Voipio: Fixes and restructuring patchset]
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
[Peter Maydell: More fixes and cleanups for upstream submission]
Signed-off-by:  Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>

hw/nseries.c

@@ -32,7 +32,6 @@
 #include "bt.h"
 #include "loader.h"
 #include "blockdev.h"
-#include "tusb6010.h"
 #include "sysbus.h"
 
 /* Nokia N8x0 support */
@@ -50,7 +49,7 @@ struct n800_s {
     int keymap[0x80];
     DeviceState *kbd;
 
-    TUSBState *usb;
+    DeviceState *usb;
     void *retu;
     void *tahvo;
     DeviceState *nand;
@@ -765,25 +764,21 @@ static void n8x0_uart_setup(struct n800_s *s)
     omap_uart_attach(s->cpu->uart[BT_UART], radio);
 }
 
-static void n8x0_usb_power_cb(void *opaque, int line, int level)
-{
-    struct n800_s *s = opaque;
-
-    tusb6010_power(s->usb, level);
-}
-
 static void n8x0_usb_setup(struct n800_s *s)
 {
-    qemu_irq tusb_irq = qdev_get_gpio_in(s->cpu->gpio, N8X0_TUSB_INT_GPIO);
-    qemu_irq tusb_pwr = qemu_allocate_irqs(n8x0_usb_power_cb, s, 1)[0];
-    TUSBState *tusb = tusb6010_init(tusb_irq);
-
+    SysBusDevice *dev;
+    s->usb = qdev_create(NULL, "tusb6010");
+    dev = sysbus_from_qdev(s->usb);
+    qdev_init_nofail(s->usb);
+    sysbus_connect_irq(dev, 0,
+                       qdev_get_gpio_in(s->cpu->gpio, N8X0_TUSB_INT_GPIO));
     /* Using the NOR interface */
-    omap_gpmc_attach(s->cpu->gpmc, N8X0_USB_ASYNC_CS, tusb6010_async_io(tusb));
-    omap_gpmc_attach(s->cpu->gpmc, N8X0_USB_SYNC_CS, tusb6010_sync_io(tusb));
-
-    s->usb = tusb;
-    qdev_connect_gpio_out(s->cpu->gpio, N8X0_TUSB_ENABLE_GPIO, tusb_pwr);
+    omap_gpmc_attach(s->cpu->gpmc, N8X0_USB_ASYNC_CS,
+                     sysbus_mmio_get_region(dev, 0));
+    omap_gpmc_attach(s->cpu->gpmc, N8X0_USB_SYNC_CS,
+                     sysbus_mmio_get_region(dev, 1));
+    qdev_connect_gpio_out(s->cpu->gpio, N8X0_TUSB_ENABLE_GPIO,
+                          qdev_get_gpio_in(s->usb, 0)); /* tusb_pwr */
 }
 
 /* Setup done before the main bootloader starts by some early setup code

hw/tusb6010.c

@@ -23,9 +23,11 @@
 #include "usb.h"
 #include "omap.h"
 #include "irq.h"
-#include "tusb6010.h"
+#include "devices.h"
+#include "sysbus.h"
 
-struct TUSBState {
+typedef struct TUSBState {
+    SysBusDevice busdev;
     MemoryRegion iomem[2];
     qemu_irq irq;
     MUSBState *musb;
@@ -59,7 +61,7 @@ struct TUSBState {
     uint32_t pullup[2];
     uint32_t control_config;
     uint32_t otg_timer_val;
-};
+} TUSBState;
 
 #define TUSB_DEVCLOCK			60000000	/* 60 MHz */
 
@@ -234,16 +236,6 @@ struct TUSBState {
 #define TUSB_EP_CONFIG_XFR_SIZE(v)	((v) & 0x7fffffff)
 #define TUSB_PROD_TEST_RESET_VAL	0xa596
 
-MemoryRegion *tusb6010_sync_io(TUSBState *s)
-{
-    return &s->iomem[0];
-}
-
-MemoryRegion *tusb6010_async_io(TUSBState *s)
-{
-    return &s->iomem[1];
-}
-
 static void tusb_intr_update(TUSBState *s)
 {
     if (s->control_config & TUSB_INT_CTRL_CONF_INT_POLARITY)
@@ -723,9 +715,33 @@ static void tusb_musb_core_intr(void *opaque, int source, int level)
     }
 }
 
-TUSBState *tusb6010_init(qemu_irq intr)
+static void tusb6010_power(TUSBState *s, int on)
 {
-    TUSBState *s = g_malloc0(sizeof(*s));
+    if (!on) {
+        s->power = 0;
+    } else if (!s->power && on) {
+        s->power = 1;
+        /* Pull the interrupt down after TUSB6010 comes up.  */
+        s->intr_ok = 0;
+        tusb_intr_update(s);
+        qemu_mod_timer(s->pwr_timer,
+                       qemu_get_clock_ns(vm_clock) + get_ticks_per_sec() / 2);
+    }
+}
+
+static void tusb6010_irq(void *opaque, int source, int level)
+{
+    if (source) {
+        tusb_musb_core_intr(opaque, source - 1, level);
+    } else {
+        tusb6010_power(opaque, level);
+    }
+}
+
+static void tusb6010_reset(DeviceState *dev)
+{
+    TUSBState *s = FROM_SYSBUS(TUSBState, sysbus_from_qdev(dev));
+    int i;
 
     s->test_reset = TUSB_PROD_TEST_RESET_VAL;
     s->host_mode = 0;
@@ -735,28 +751,59 @@ TUSBState *tusb6010_init(qemu_irq intr)
     s->mask = 0xffffffff;
     s->intr = 0x00000000;
     s->otg_timer_val = 0;
-    memory_region_init_io(&s->iomem[1], &tusb_async_ops, s, "tusb-async",
-                          UINT32_MAX);
-    s->irq = intr;
+    s->scratch = 0;
+    s->prcm_config = 0;
+    s->prcm_mngmt = 0;
+    s->intr_ok = 0;
+    s->usbip_intr = 0;
+    s->usbip_mask = 0;
+    s->gpio_intr = 0;
+    s->gpio_mask = 0;
+    s->gpio_config = 0;
+    s->dma_intr = 0;
+    s->dma_mask = 0;
+    s->dma_map = 0;
+    s->dma_config = 0;
+    s->ep0_config = 0;
+    s->wkup_mask = 0;
+    s->pullup[0] = s->pullup[1] = 0;
+    s->control_config = 0;
+    for (i = 0; i < 15; i++) {
+        s->rx_config[i] = s->tx_config[i] = 0;
+    }
+}
+
+static int tusb6010_init(SysBusDevice *dev)
+{
+    TUSBState *s = FROM_SYSBUS(TUSBState, dev);
+    qemu_irq *musb_irqs;
+    int i;
     s->otg_timer = qemu_new_timer_ns(vm_clock, tusb_otg_tick, s);
     s->pwr_timer = qemu_new_timer_ns(vm_clock, tusb_power_tick, s);
-    s->musb = musb_init(qemu_allocate_irqs(tusb_musb_core_intr, s,
-                            __musb_irq_max));
-
-    return s;
+    memory_region_init_io(&s->iomem[1], &tusb_async_ops, s, "tusb-async",
+                          UINT32_MAX);
+    sysbus_init_mmio_region(dev, &s->iomem[0]);
+    sysbus_init_mmio_region(dev, &s->iomem[1]);
+    sysbus_init_irq(dev, &s->irq);
+    qdev_init_gpio_in(&dev->qdev, tusb6010_irq, __musb_irq_max + 1);
+    musb_irqs = g_new0(qemu_irq, __musb_irq_max);
+    for (i = 0; i < __musb_irq_max; i++) {
+        musb_irqs[i] = qdev_get_gpio_in(&dev->qdev, i + 1);
+    }
+    s->musb = musb_init(musb_irqs);
+    return 0;
 }
 
-void tusb6010_power(TUSBState *s, int on)
-{
-    if (!on)
-        s->power = 0;
-    else if (!s->power && on) {
-        s->power = 1;
+static SysBusDeviceInfo tusb6010_info = {
+    .init = tusb6010_init,
+    .qdev.name = "tusb6010",
+    .qdev.size = sizeof(TUSBState),
+    .qdev.reset = tusb6010_reset,
+};
 
-        /* Pull the interrupt down after TUSB6010 comes up.  */
-        s->intr_ok = 0;
-        tusb_intr_update(s);
-        qemu_mod_timer(s->pwr_timer,
-                       qemu_get_clock_ns(vm_clock) + get_ticks_per_sec() / 2);
-    }
+static void tusb6010_register_device(void)
+{
+    sysbus_register_withprop(&tusb6010_info);
 }
+
+device_init(tusb6010_register_device)

hw/tusb6010.h

@@ -1,28 +0,0 @@
-/*
- * tusb6010 interfaces
- *
- * Copyright 2011 Red Hat, Inc. and/or its affiliates
- *
- * Authors:
- *  Avi Kivity <avi@redhat.com>
- *
- * Derived from hw/devices.h.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.  See
- * the COPYING file in the top-level directory.
- *
- */
-
-#ifndef TUSB6010_H
-#define TUSB6010_H
-
-#include "targphys.h"
-#include "memory.h"
-
-typedef struct TUSBState TUSBState;
-TUSBState *tusb6010_init(qemu_irq intr);
-MemoryRegion *tusb6010_sync_io(TUSBState *s);
-MemoryRegion *tusb6010_async_io(TUSBState *s);
-void tusb6010_power(TUSBState *s, int on);
-
-#endif