26  * The controller is used in Sun4m systems in a slightly different
27  * way. There are changes in DOR register and DMA is not available.
33 #include "qemu/error-report.h"
38 #include "hw/qdev-properties.h"
39 #include "hw/qdev-properties-system.h"
42 #include "system/block-backend.h"
47 #include "qemu/main-loop.h"
51 #include "fdc-internal.h"
62     uint32_t dma;  member
72     FDCtrl *s = &isa->state;  in fdctrl_external_reset_isa()
79     fdctrl_init_drives(&ISA_FDC(fdc)->state.bus, fds);  in isa_fdc_init_drives()
93     FDCtrl *fdctrl = &isa->state;  in isabus_fdc_realize()
96     isa_register_portio_list(isadev, &isa->portio_list,  in isabus_fdc_realize()
97                              isa->iobase, fdc_portio_list, fdctrl,  in isabus_fdc_realize()
100     fdctrl->irq = isa_bus_get_irq(bus, isa->irq);  in isabus_fdc_realize()
101     fdctrl->dma_chann = isa->dma;  in isabus_fdc_realize()
102     if (fdctrl->dma_chann != -1) {  in isabus_fdc_realize()
104         fdctrl->dma = isa_bus_get_dma(bus, isa->dma);  in isabus_fdc_realize()
105         if (!fdctrl->dma) {  in isabus_fdc_realize()
106             error_setg(errp, "ISA controller does not support DMA");  in isabus_fdc_realize()
109         k = ISADMA_GET_CLASS(fdctrl->dma);  in isabus_fdc_realize()
110         k->register_channel(fdctrl->dma, fdctrl->dma_chann,  in isabus_fdc_realize()
114     qdev_set_legacy_instance_id(dev, isa->iobase, 2);  in isabus_fdc_realize()
127     return isa->state.drives[i].drive;  in isa_fdc_get_drive_type()
136     for (fdf = fd_formats; fdf->drive != FLOPPY_DRIVE_TYPE_NONE; fdf++) {  in isa_fdc_get_drive_max_chs()
137         if (fdf->drive != type) {  in isa_fdc_get_drive_max_chs()
140         if (*maxc < fdf->max_track) {  in isa_fdc_get_drive_max_chs()
141             *maxc = fdf->max_track;  in isa_fdc_get_drive_max_chs()
143         if (*maxh < fdf->max_head) {  in isa_fdc_get_drive_max_chs()
144             *maxh = fdf->max_head;  in isa_fdc_get_drive_max_chs()
146         if (*maxs < fdf->last_sect) {  in isa_fdc_get_drive_max_chs()
147             *maxs = fdf->last_sect;  in isa_fdc_get_drive_max_chs()
152     (*maxc)--;  in isa_fdc_get_drive_max_chs()
201     fdc->ioport_id = iobase;  in isa_fdc_set_iobase()
202     isa->iobase = iobase;  in isa_fdc_set_iobase()
203     portio_list_set_address(&isa->portio_list, isa->iobase);  in isa_fdc_set_iobase()
208     portio_list_set_enabled(&ISA_FDC(fdc)->portio_list, enabled);  in isa_fdc_set_enabled()
245         0, 0, 0, 0,     /* presence of floppy drives #0 - #3 */  in build_fdc_aml()
251         aml_io(AML_DECODE16, isa->iobase + 2, isa->iobase + 2, 0x00, 0x04));  in build_fdc_aml()
253         aml_io(AML_DECODE16, isa->iobase + 7, isa->iobase + 7, 0x00, 0x01));  in build_fdc_aml()
254     aml_append(crs, aml_irq_no_flags(isa->irq));  in build_fdc_aml()
256         aml_dma(AML_COMPATIBILITY, AML_NOTBUSMASTER, AML_TRANSFER8, isa->dma));  in build_fdc_aml()
289     DEFINE_PROP_UINT32("dma", FDCtrlISABus, dma, 2),
306     dc->desc = "virtual floppy controller";  in isabus_fdc_class_init()
307     dc->realize = isabus_fdc_realize;  in isabus_fdc_class_init()
308     dc->fw_name = "fdc";  in isabus_fdc_class_init()
310     dc->vmsd = &vmstate_isa_fdc;  in isabus_fdc_class_init()
311     adevc->build_dev_aml = build_fdc_aml;  in isabus_fdc_class_init()
313     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);  in isabus_fdc_class_init()
320     device_add_bootindex_property(obj, &isa->bootindexA,  in isabus_fdc_instance_init()
323     device_add_bootindex_property(obj, &isa->bootindexB,  in isabus_fdc_instance_init()