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https://gitlab.com/qemu-project/qemu
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milkymist-softusb: use hid code directly
Remove the dummy USB device and use the HID code directly. Use the HID code for the mouse support, too. Signed-off-by: Michael Walle <michael@walle.cc> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Michael Walle
Gerd Hoffmann
parent
1f42d22233
commit
4c15ba9cc9
1 changed files with 38 additions and 84 deletions
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@ -25,7 +25,7 @@
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#include "sysbus.h"
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#include "trace.h"
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#include "console.h"
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#include "usb.h"
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#include "hid.h"
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#include "qemu-error.h"
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enum {
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@ -46,9 +46,8 @@ enum {
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struct MilkymistSoftUsbState {
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SysBusDevice busdev;
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USBBus usbbus;
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USBPort usbport[2];
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USBDevice *usbdev;
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HIDState hid_kbd;
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HIDState hid_mouse;
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qemu_irq irq;
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@ -62,13 +61,10 @@ struct MilkymistSoftUsbState {
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uint32_t regs[R_MAX];
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/* mouse state */
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int mouse_dx;
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int mouse_dy;
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int mouse_dz;
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uint8_t mouse_buttons_state;
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uint8_t mouse_hid_buffer[4];
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/* keyboard state */
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uint8_t kbd_usb_buffer[8];
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uint8_t kbd_hid_buffer[8];
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};
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typedef struct MilkymistSoftUsbState MilkymistSoftUsbState;
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@ -177,16 +173,10 @@ static inline void softusb_write_pmem(MilkymistSoftUsbState *s,
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static void softusb_mouse_changed(MilkymistSoftUsbState *s)
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{
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uint8_t m;
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uint8_t buf[4];
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buf[0] = s->mouse_buttons_state;
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buf[1] = s->mouse_dx;
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buf[2] = s->mouse_dy;
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buf[3] = s->mouse_dz;
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softusb_read_dmem(s, COMLOC_MEVT_PRODUCE, &m, 1);
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trace_milkymist_softusb_mevt(m);
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softusb_write_dmem(s, COMLOC_MEVT_BASE + 4 * m, buf, 4);
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softusb_write_dmem(s, COMLOC_MEVT_BASE + 4 * m, s->mouse_hid_buffer, 4);
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m = (m + 1) & 0xf;
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softusb_write_dmem(s, COMLOC_MEVT_PRODUCE, &m, 1);
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@ -200,7 +190,7 @@ static void softusb_kbd_changed(MilkymistSoftUsbState *s)
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softusb_read_dmem(s, COMLOC_KEVT_PRODUCE, &m, 1);
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trace_milkymist_softusb_kevt(m);
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softusb_write_dmem(s, COMLOC_KEVT_BASE + 8 * m, s->kbd_usb_buffer, 8);
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softusb_write_dmem(s, COMLOC_KEVT_BASE + 8 * m, s->kbd_hid_buffer, 8);
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m = (m + 1) & 0x7;
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softusb_write_dmem(s, COMLOC_KEVT_PRODUCE, &m, 1);
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@ -208,61 +198,41 @@ static void softusb_kbd_changed(MilkymistSoftUsbState *s)
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qemu_irq_pulse(s->irq);
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}
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static void softusb_mouse_event(void *opaque,
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int dx, int dy, int dz, int buttons_state)
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static void softusb_kbd_hid_datain(HIDState *hs)
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{
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MilkymistSoftUsbState *s = opaque;
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MilkymistSoftUsbState *s = container_of(hs, MilkymistSoftUsbState, hid_kbd);
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int len;
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/* if device is in reset, do nothing */
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if (s->regs[R_CTRL] & CTRL_RESET) {
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return;
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}
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trace_milkymist_softusb_mouse_event(dx, dy, dz, buttons_state);
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s->mouse_dx = dx;
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s->mouse_dy = dy;
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s->mouse_dz = dz;
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s->mouse_buttons_state = buttons_state;
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softusb_mouse_changed(s);
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}
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static void softusb_usbdev_datain(void *opaque)
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{
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MilkymistSoftUsbState *s = opaque;
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USBPacket p;
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usb_packet_init(&p);
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usb_packet_setup(&p, USB_TOKEN_IN, 0, 1);
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usb_packet_addbuf(&p, s->kbd_usb_buffer, sizeof(s->kbd_usb_buffer));
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s->usbdev->info->handle_data(s->usbdev, &p);
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usb_packet_cleanup(&p);
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len = hid_keyboard_poll(hs, s->kbd_hid_buffer, sizeof(s->kbd_hid_buffer));
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if (len == 8) {
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softusb_kbd_changed(s);
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}
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static void softusb_attach(USBPort *port)
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{
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}
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static void softusb_detach(USBPort *port)
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static void softusb_mouse_hid_datain(HIDState *hs)
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{
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MilkymistSoftUsbState *s =
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container_of(hs, MilkymistSoftUsbState, hid_mouse);
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int len;
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/* if device is in reset, do nothing */
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if (s->regs[R_CTRL] & CTRL_RESET) {
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return;
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}
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static void softusb_child_detach(USBPort *port, USBDevice *child)
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{
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len = hid_pointer_poll(hs, s->mouse_hid_buffer,
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sizeof(s->mouse_hid_buffer));
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if (len == 4) {
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softusb_mouse_changed(s);
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}
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}
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static USBPortOps softusb_ops = {
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.attach = softusb_attach,
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.detach = softusb_detach,
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.child_detach = softusb_child_detach,
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};
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static USBBusOps softusb_bus_ops = {
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};
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static void milkymist_softusb_reset(DeviceState *d)
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{
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@ -273,11 +243,11 @@ static void milkymist_softusb_reset(DeviceState *d)
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for (i = 0; i < R_MAX; i++) {
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s->regs[i] = 0;
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}
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s->mouse_dx = 0;
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s->mouse_dy = 0;
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s->mouse_dz = 0;
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s->mouse_buttons_state = 0;
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memset(s->kbd_usb_buffer, 0, sizeof(s->kbd_usb_buffer));
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memset(s->kbd_hid_buffer, 0, sizeof(s->kbd_hid_buffer));
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memset(s->mouse_hid_buffer, 0, sizeof(s->mouse_hid_buffer));
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hid_reset(&s->hid_kbd);
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hid_reset(&s->hid_mouse);
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/* defaults */
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s->regs[R_CTRL] = CTRL_RESET;
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@ -304,23 +274,8 @@ static int milkymist_softusb_init(SysBusDevice *dev)
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cpu_register_physical_memory(s->dmem_base, s->dmem_size,
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dmem_ram | IO_MEM_RAM);
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qemu_add_mouse_event_handler(softusb_mouse_event, s, 0, "Milkymist Mouse");
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/* create our usb bus */
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usb_bus_new(&s->usbbus, &softusb_bus_ops, NULL);
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/* our two ports */
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/* FIXME: claim to support full speed devices. qemu mouse and keyboard
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* report themselves as full speed devices. */
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usb_register_port(&s->usbbus, &s->usbport[0], NULL, 0, &softusb_ops,
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USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL);
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usb_register_port(&s->usbbus, &s->usbport[1], NULL, 1, &softusb_ops,
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USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL);
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/* and finally create an usb keyboard */
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s->usbdev = usb_create_simple(&s->usbbus, "usb-kbd");
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usb_hid_datain_cb(s->usbdev, s, softusb_usbdev_datain);
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s->usbdev->info->handle_reset(s->usbdev);
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hid_init(&s->hid_kbd, HID_KEYBOARD, softusb_kbd_hid_datain);
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hid_init(&s->hid_mouse, HID_MOUSE, softusb_mouse_hid_datain);
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return 0;
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}
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@ -332,11 +287,10 @@ static const VMStateDescription vmstate_milkymist_softusb = {
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.minimum_version_id_old = 1,
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.fields = (VMStateField[]) {
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VMSTATE_UINT32_ARRAY(regs, MilkymistSoftUsbState, R_MAX),
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VMSTATE_INT32(mouse_dx, MilkymistSoftUsbState),
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VMSTATE_INT32(mouse_dy, MilkymistSoftUsbState),
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VMSTATE_INT32(mouse_dz, MilkymistSoftUsbState),
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VMSTATE_UINT8(mouse_buttons_state, MilkymistSoftUsbState),
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VMSTATE_BUFFER(kbd_usb_buffer, MilkymistSoftUsbState),
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VMSTATE_HID_KEYBOARD_DEVICE(hid_kbd, MilkymistSoftUsbState),
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VMSTATE_HID_POINTER_DEVICE(hid_mouse, MilkymistSoftUsbState),
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VMSTATE_BUFFER(kbd_hid_buffer, MilkymistSoftUsbState),
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VMSTATE_BUFFER(mouse_hid_buffer, MilkymistSoftUsbState),
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VMSTATE_END_OF_LIST()
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}
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};
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