Move the existing sysbus and PCI logic to hcd-ohci-sysbus.c and hcd-ohci-pci.c from hcd-ohci.c. Create a new hcd-ohci.h header for the shared declarations and macros.
Signed-off-by: Ákos Kovács <akoskov...@gmx.com> --- hw/usb/hcd-ohci-pci.c | 96 ++++++++++ hw/usb/hcd-ohci-sysbus.c | 84 +++++++++ hw/usb/hcd-ohci.c | 434 +++------------------------------------------- hw/usb/hcd-ohci.h | 311 +++++++++++++++++++++++++++++++++ 4 files changed, 514 insertions(+), 411 deletions(-) create mode 100644 hw/usb/hcd-ohci-pci.c create mode 100644 hw/usb/hcd-ohci-sysbus.c create mode 100644 hw/usb/hcd-ohci.h diff --git a/hw/usb/hcd-ohci-pci.c b/hw/usb/hcd-ohci-pci.c new file mode 100644 index 0000000..ac50951 --- /dev/null +++ b/hw/usb/hcd-ohci-pci.c @@ -0,0 +1,96 @@ +/* + * QEMU USB OHCI Emulation + * Copyright (c) 2004 Gianni Tedesco + * Copyright (c) 2006 CodeSourcery + * Copyright (c) 2006 Openedhand Ltd. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + * + * TODO: + * o Isochronous transfers + * o Allocate bandwidth in frames properly + * o Disable timers when nothing needs to be done, or remove timer usage + * all together. + * o BIOS work to boot from USB storage +*/ + +#include "hw/usb/hcd-ohci.h" + +#define TYPE_PCI_OHCI "pci-ohci" +#define PCI_OHCI(obj) OBJECT_CHECK(OHCIPCIState, (obj), TYPE_PCI_OHCI) + +typedef struct { + /*< private >*/ + PCIDevice parent_obj; + /*< public >*/ + + OHCIState state; + char *masterbus; + uint32_t num_ports; + uint32_t firstport; +} OHCIPCIState; + +static Property ohci_pci_properties[] = { + DEFINE_PROP_STRING("masterbus", OHCIPCIState, masterbus), + DEFINE_PROP_UINT32("num-ports", OHCIPCIState, num_ports, 3), + DEFINE_PROP_UINT32("firstport", OHCIPCIState, firstport, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static int usb_ohci_initfn_pci(PCIDevice *dev) +{ + OHCIPCIState *ohci = PCI_OHCI(dev); + + dev->config[PCI_CLASS_PROG] = 0x10; /* OHCI */ + dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */ + + if (usb_ohci_init(&ohci->state, DEVICE(dev), ohci->num_ports, 0, + ohci->masterbus, ohci->firstport, + pci_get_address_space(dev)) != 0) { + return -1; + } + ohci->state.irq = dev->irq[0]; + + pci_register_bar(dev, 0, 0, &ohci->state.mem); + return 0; +} + +static void ohci_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + k->init = usb_ohci_initfn_pci; + k->vendor_id = PCI_VENDOR_ID_APPLE; + k->device_id = PCI_DEVICE_ID_APPLE_IPID_USB; + k->class_id = PCI_CLASS_SERIAL_USB; + k->no_hotplug = 1; + set_bit(DEVICE_CATEGORY_USB, dc->categories); + dc->desc = "Apple USB Controller"; + dc->props = ohci_pci_properties; +} + +static const TypeInfo ohci_pci_info = { + .name = TYPE_PCI_OHCI, + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(OHCIPCIState), + .class_init = ohci_pci_class_init, +}; + +static void ohci_pci_register_type(void) +{ + type_register_static(&ohci_pci_info); +} + +type_init(ohci_pci_register_type) diff --git a/hw/usb/hcd-ohci-sysbus.c b/hw/usb/hcd-ohci-sysbus.c new file mode 100644 index 0000000..b9d15db --- /dev/null +++ b/hw/usb/hcd-ohci-sysbus.c @@ -0,0 +1,84 @@ +/* + * QEMU USB OHCI Emulation + * Copyright (c) 2004 Gianni Tedesco + * Copyright (c) 2006 CodeSourcery + * Copyright (c) 2006 Openedhand Ltd. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + * + * TODO: + * o Isochronous transfers + * o Allocate bandwidth in frames properly + * o Disable timers when nothing needs to be done, or remove timer usage + * all together. + * o BIOS work to boot from USB storage +*/ + +#include "hw/sysbus.h" +#include "hw/usb/hcd-ohci.h" + +#define TYPE_SYSBUS_OHCI "sysbus-ohci" +#define SYSBUS_OHCI(obj) OBJECT_CHECK(OHCISysBusState, (obj), TYPE_SYSBUS_OHCI) + +typedef struct { + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + + OHCIState ohci; + uint32_t num_ports; + dma_addr_t dma_offset; +} OHCISysBusState; + +static Property ohci_sysbus_properties[] = { + DEFINE_PROP_UINT32("num-ports", OHCISysBusState, num_ports, 3), + DEFINE_PROP_DMAADDR("dma-offset", OHCISysBusState, dma_offset, 3), + DEFINE_PROP_END_OF_LIST(), +}; + +static void ohci_realize_pxa(DeviceState *dev, Error **errp) +{ + OHCISysBusState *s = SYSBUS_OHCI(dev); + SysBusDevice *sbd = SYS_BUS_DEVICE(dev); + + /* Cannot fail as we pass NULL for masterbus */ + usb_ohci_init(&s->ohci, dev, s->num_ports, s->dma_offset, NULL, 0, + &address_space_memory); + sysbus_init_irq(sbd, &s->ohci.irq); + sysbus_init_mmio(sbd, &s->ohci.mem); +} + +static void ohci_sysbus_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = ohci_realize_pxa; + set_bit(DEVICE_CATEGORY_USB, dc->categories); + dc->desc = "OHCI USB Controller"; + dc->props = ohci_sysbus_properties; +} + +static const TypeInfo ohci_sysbus_info = { + .name = TYPE_SYSBUS_OHCI, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(OHCISysBusState), + .class_init = ohci_sysbus_class_init, +}; + +static void ohci_sysbus_register_type(void) +{ + type_register_static(&ohci_sysbus_info); +} + +type_init(ohci_sysbus_register_type) diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c index d7836d6..a2a5a0b 100644 --- a/hw/usb/hcd-ohci.c +++ b/hw/usb/hcd-ohci.c @@ -25,290 +25,15 @@ * o BIOS work to boot from USB storage */ -#include "hw/hw.h" -#include "qemu/timer.h" -#include "hw/usb.h" -#include "hw/pci/pci.h" -#include "hw/sysbus.h" -#include "hw/qdev-dma.h" - -//#define DEBUG_OHCI -/* Dump packet contents. */ -//#define DEBUG_PACKET -//#define DEBUG_ISOCH -/* This causes frames to occur 1000x slower */ -//#define OHCI_TIME_WARP 1 - -#ifdef DEBUG_OHCI -#define DPRINTF printf -#else -#define DPRINTF(...) -#endif - -/* Number of Downstream Ports on the root hub. */ - -#define OHCI_MAX_PORTS 15 +#include "hw/usb/hcd-ohci.h" static int64_t usb_frame_time; static int64_t usb_bit_time; -typedef struct OHCIPort { - USBPort port; - uint32_t ctrl; -} OHCIPort; - -typedef struct { - USBBus bus; - qemu_irq irq; - MemoryRegion mem; - AddressSpace *as; - int num_ports; - const char *name; - - QEMUTimer *eof_timer; - int64_t sof_time; - - /* OHCI state */ - /* Control partition */ - uint32_t ctl, status; - uint32_t intr_status; - uint32_t intr; - - /* memory pointer partition */ - uint32_t hcca; - uint32_t ctrl_head, ctrl_cur; - uint32_t bulk_head, bulk_cur; - uint32_t per_cur; - uint32_t done; - int done_count; - - /* Frame counter partition */ - uint32_t fsmps:15; - uint32_t fit:1; - uint32_t fi:14; - uint32_t frt:1; - uint16_t frame_number; - uint16_t padding; - uint32_t pstart; - uint32_t lst; - - /* Root Hub partition */ - uint32_t rhdesc_a, rhdesc_b; - uint32_t rhstatus; - OHCIPort rhport[OHCI_MAX_PORTS]; - - /* PXA27x Non-OHCI events */ - uint32_t hstatus; - uint32_t hmask; - uint32_t hreset; - uint32_t htest; - - /* SM501 local memory offset */ - dma_addr_t localmem_base; - - /* Active packets. */ - uint32_t old_ctl; - USBPacket usb_packet; - uint8_t usb_buf[8192]; - uint32_t async_td; - int async_complete; - -} OHCIState; - -/* Host Controller Communications Area */ -struct ohci_hcca { - uint32_t intr[32]; - uint16_t frame, pad; - uint32_t done; -}; -#define HCCA_WRITEBACK_OFFSET offsetof(struct ohci_hcca, frame) -#define HCCA_WRITEBACK_SIZE 8 /* frame, pad, done */ - -#define ED_WBACK_OFFSET offsetof(struct ohci_ed, head) -#define ED_WBACK_SIZE 4 - +static void ohci_die(OHCIState *ohci); static void ohci_bus_stop(OHCIState *ohci); static void ohci_async_cancel_device(OHCIState *ohci, USBDevice *dev); -/* Bitfields for the first word of an Endpoint Desciptor. */ -#define OHCI_ED_FA_SHIFT 0 -#define OHCI_ED_FA_MASK (0x7f<<OHCI_ED_FA_SHIFT) -#define OHCI_ED_EN_SHIFT 7 -#define OHCI_ED_EN_MASK (0xf<<OHCI_ED_EN_SHIFT) -#define OHCI_ED_D_SHIFT 11 -#define OHCI_ED_D_MASK (3<<OHCI_ED_D_SHIFT) -#define OHCI_ED_S (1<<13) -#define OHCI_ED_K (1<<14) -#define OHCI_ED_F (1<<15) -#define OHCI_ED_MPS_SHIFT 16 -#define OHCI_ED_MPS_MASK (0x7ff<<OHCI_ED_MPS_SHIFT) - -/* Flags in the head field of an Endpoint Desciptor. */ -#define OHCI_ED_H 1 -#define OHCI_ED_C 2 - -/* Bitfields for the first word of a Transfer Desciptor. */ -#define OHCI_TD_R (1<<18) -#define OHCI_TD_DP_SHIFT 19 -#define OHCI_TD_DP_MASK (3<<OHCI_TD_DP_SHIFT) -#define OHCI_TD_DI_SHIFT 21 -#define OHCI_TD_DI_MASK (7<<OHCI_TD_DI_SHIFT) -#define OHCI_TD_T0 (1<<24) -#define OHCI_TD_T1 (1<<25) -#define OHCI_TD_EC_SHIFT 26 -#define OHCI_TD_EC_MASK (3<<OHCI_TD_EC_SHIFT) -#define OHCI_TD_CC_SHIFT 28 -#define OHCI_TD_CC_MASK (0xf<<OHCI_TD_CC_SHIFT) - -/* Bitfields for the first word of an Isochronous Transfer Desciptor. */ -/* CC & DI - same as in the General Transfer Desciptor */ -#define OHCI_TD_SF_SHIFT 0 -#define OHCI_TD_SF_MASK (0xffff<<OHCI_TD_SF_SHIFT) -#define OHCI_TD_FC_SHIFT 24 -#define OHCI_TD_FC_MASK (7<<OHCI_TD_FC_SHIFT) - -/* Isochronous Transfer Desciptor - Offset / PacketStatusWord */ -#define OHCI_TD_PSW_CC_SHIFT 12 -#define OHCI_TD_PSW_CC_MASK (0xf<<OHCI_TD_PSW_CC_SHIFT) -#define OHCI_TD_PSW_SIZE_SHIFT 0 -#define OHCI_TD_PSW_SIZE_MASK (0xfff<<OHCI_TD_PSW_SIZE_SHIFT) - -#define OHCI_PAGE_MASK 0xfffff000 -#define OHCI_OFFSET_MASK 0xfff - -#define OHCI_DPTR_MASK 0xfffffff0 - -#define OHCI_BM(val, field) \ - (((val) & OHCI_##field##_MASK) >> OHCI_##field##_SHIFT) - -#define OHCI_SET_BM(val, field, newval) do { \ - val &= ~OHCI_##field##_MASK; \ - val |= ((newval) << OHCI_##field##_SHIFT) & OHCI_##field##_MASK; \ - } while(0) - -/* endpoint descriptor */ -struct ohci_ed { - uint32_t flags; - uint32_t tail; - uint32_t head; - uint32_t next; -}; - -/* General transfer descriptor */ -struct ohci_td { - uint32_t flags; - uint32_t cbp; - uint32_t next; - uint32_t be; -}; - -/* Isochronous transfer descriptor */ -struct ohci_iso_td { - uint32_t flags; - uint32_t bp; - uint32_t next; - uint32_t be; - uint16_t offset[8]; -}; - -#define USB_HZ 12000000 - -/* OHCI Local stuff */ -#define OHCI_CTL_CBSR ((1<<0)|(1<<1)) -#define OHCI_CTL_PLE (1<<2) -#define OHCI_CTL_IE (1<<3) -#define OHCI_CTL_CLE (1<<4) -#define OHCI_CTL_BLE (1<<5) -#define OHCI_CTL_HCFS ((1<<6)|(1<<7)) -#define OHCI_USB_RESET 0x00 -#define OHCI_USB_RESUME 0x40 -#define OHCI_USB_OPERATIONAL 0x80 -#define OHCI_USB_SUSPEND 0xc0 -#define OHCI_CTL_IR (1<<8) -#define OHCI_CTL_RWC (1<<9) -#define OHCI_CTL_RWE (1<<10) - -#define OHCI_STATUS_HCR (1<<0) -#define OHCI_STATUS_CLF (1<<1) -#define OHCI_STATUS_BLF (1<<2) -#define OHCI_STATUS_OCR (1<<3) -#define OHCI_STATUS_SOC ((1<<6)|(1<<7)) - -#define OHCI_INTR_SO (1<<0) /* Scheduling overrun */ -#define OHCI_INTR_WD (1<<1) /* HcDoneHead writeback */ -#define OHCI_INTR_SF (1<<2) /* Start of frame */ -#define OHCI_INTR_RD (1<<3) /* Resume detect */ -#define OHCI_INTR_UE (1<<4) /* Unrecoverable error */ -#define OHCI_INTR_FNO (1<<5) /* Frame number overflow */ -#define OHCI_INTR_RHSC (1<<6) /* Root hub status change */ -#define OHCI_INTR_OC (1<<30) /* Ownership change */ -#define OHCI_INTR_MIE (1<<31) /* Master Interrupt Enable */ - -#define OHCI_HCCA_SIZE 0x100 -#define OHCI_HCCA_MASK 0xffffff00 - -#define OHCI_EDPTR_MASK 0xfffffff0 - -#define OHCI_FMI_FI 0x00003fff -#define OHCI_FMI_FSMPS 0xffff0000 -#define OHCI_FMI_FIT 0x80000000 - -#define OHCI_FR_RT (1<<31) - -#define OHCI_LS_THRESH 0x628 - -#define OHCI_RHA_RW_MASK 0x00000000 /* Mask of supported features. */ -#define OHCI_RHA_PSM (1<<8) -#define OHCI_RHA_NPS (1<<9) -#define OHCI_RHA_DT (1<<10) -#define OHCI_RHA_OCPM (1<<11) -#define OHCI_RHA_NOCP (1<<12) -#define OHCI_RHA_POTPGT_MASK 0xff000000 - -#define OHCI_RHS_LPS (1<<0) -#define OHCI_RHS_OCI (1<<1) -#define OHCI_RHS_DRWE (1<<15) -#define OHCI_RHS_LPSC (1<<16) -#define OHCI_RHS_OCIC (1<<17) -#define OHCI_RHS_CRWE (1<<31) - -#define OHCI_PORT_CCS (1<<0) -#define OHCI_PORT_PES (1<<1) -#define OHCI_PORT_PSS (1<<2) -#define OHCI_PORT_POCI (1<<3) -#define OHCI_PORT_PRS (1<<4) -#define OHCI_PORT_PPS (1<<8) -#define OHCI_PORT_LSDA (1<<9) -#define OHCI_PORT_CSC (1<<16) -#define OHCI_PORT_PESC (1<<17) -#define OHCI_PORT_PSSC (1<<18) -#define OHCI_PORT_OCIC (1<<19) -#define OHCI_PORT_PRSC (1<<20) -#define OHCI_PORT_WTC (OHCI_PORT_CSC|OHCI_PORT_PESC|OHCI_PORT_PSSC \ - |OHCI_PORT_OCIC|OHCI_PORT_PRSC) - -#define OHCI_TD_DIR_SETUP 0x0 -#define OHCI_TD_DIR_OUT 0x1 -#define OHCI_TD_DIR_IN 0x2 -#define OHCI_TD_DIR_RESERVED 0x3 - -#define OHCI_CC_NOERROR 0x0 -#define OHCI_CC_CRC 0x1 -#define OHCI_CC_BITSTUFFING 0x2 -#define OHCI_CC_DATATOGGLEMISMATCH 0x3 -#define OHCI_CC_STALL 0x4 -#define OHCI_CC_DEVICENOTRESPONDING 0x5 -#define OHCI_CC_PIDCHECKFAILURE 0x6 -#define OHCI_CC_UNDEXPETEDPID 0x7 -#define OHCI_CC_DATAOVERRUN 0x8 -#define OHCI_CC_DATAUNDERRUN 0x9 -#define OHCI_CC_BUFFEROVERRUN 0xc -#define OHCI_CC_BUFFERUNDERRUN 0xd - -#define OHCI_HRESET_FSBIR (1 << 0) - -static void ohci_die(OHCIState *ohci); - /* Update IRQ levels */ static inline void ohci_intr_update(OHCIState *ohci) { @@ -1844,7 +1569,27 @@ static USBPortOps ohci_port_ops = { static USBBusOps ohci_bus_ops = { }; -static int usb_ohci_init(OHCIState *ohci, DeviceState *dev, +/** A typical O/EHCI will stop operating, set itself into error state + * (which can be queried by MMIO) and will set PERR in its config + * space to signal that it got an error + */ +void ohci_die(OHCIState *ohci) +{ + BusState *qbus = BUS(&ohci->bus); + DeviceState *dev = qbus->parent; + PCIDevice *pci = (PCIDevice *)object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE); + + fprintf(stderr, "%s: DMA error\n", __func__); + + ohci_set_interrupt(ohci, OHCI_INTR_UE); + ohci_bus_stop(ohci); + if (pci) { + pci_set_word(pci->config + PCI_STATUS, + PCI_STATUS_DETECTED_PARITY); + } +} + +int usb_ohci_init(OHCIState *ohci, DeviceState *dev, int num_ports, dma_addr_t localmem_base, char *masterbus, uint32_t firstport, AddressSpace *as) @@ -1901,136 +1646,3 @@ static int usb_ohci_init(OHCIState *ohci, DeviceState *dev, return 0; } - -#define TYPE_PCI_OHCI "pci-ohci" -#define PCI_OHCI(obj) OBJECT_CHECK(OHCIPCIState, (obj), TYPE_PCI_OHCI) - -typedef struct { - /*< private >*/ - PCIDevice parent_obj; - /*< public >*/ - - OHCIState state; - char *masterbus; - uint32_t num_ports; - uint32_t firstport; -} OHCIPCIState; - -/** A typical O/EHCI will stop operating, set itself into error state - * (which can be queried by MMIO) and will set PERR in its config - * space to signal that it got an error - */ -static void ohci_die(OHCIState *ohci) -{ - OHCIPCIState *dev = container_of(ohci, OHCIPCIState, state); - - fprintf(stderr, "%s: DMA error\n", __func__); - - ohci_set_interrupt(ohci, OHCI_INTR_UE); - ohci_bus_stop(ohci); - pci_set_word(dev->parent_obj.config + PCI_STATUS, - PCI_STATUS_DETECTED_PARITY); -} - -static int usb_ohci_initfn_pci(PCIDevice *dev) -{ - OHCIPCIState *ohci = PCI_OHCI(dev); - - dev->config[PCI_CLASS_PROG] = 0x10; /* OHCI */ - dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */ - - if (usb_ohci_init(&ohci->state, DEVICE(dev), ohci->num_ports, 0, - ohci->masterbus, ohci->firstport, - pci_get_address_space(dev)) != 0) { - return -1; - } - ohci->state.irq = dev->irq[0]; - - pci_register_bar(dev, 0, 0, &ohci->state.mem); - return 0; -} - -#define TYPE_SYSBUS_OHCI "sysbus-ohci" -#define SYSBUS_OHCI(obj) OBJECT_CHECK(OHCISysBusState, (obj), TYPE_SYSBUS_OHCI) - -typedef struct { - /*< private >*/ - SysBusDevice parent_obj; - /*< public >*/ - - OHCIState ohci; - uint32_t num_ports; - dma_addr_t dma_offset; -} OHCISysBusState; - -static void ohci_realize_pxa(DeviceState *dev, Error **errp) -{ - OHCISysBusState *s = SYSBUS_OHCI(dev); - SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - - /* Cannot fail as we pass NULL for masterbus */ - usb_ohci_init(&s->ohci, dev, s->num_ports, s->dma_offset, NULL, 0, - &address_space_memory); - sysbus_init_irq(sbd, &s->ohci.irq); - sysbus_init_mmio(sbd, &s->ohci.mem); -} - -static Property ohci_pci_properties[] = { - DEFINE_PROP_STRING("masterbus", OHCIPCIState, masterbus), - DEFINE_PROP_UINT32("num-ports", OHCIPCIState, num_ports, 3), - DEFINE_PROP_UINT32("firstport", OHCIPCIState, firstport, 0), - DEFINE_PROP_END_OF_LIST(), -}; - -static void ohci_pci_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - - k->init = usb_ohci_initfn_pci; - k->vendor_id = PCI_VENDOR_ID_APPLE; - k->device_id = PCI_DEVICE_ID_APPLE_IPID_USB; - k->class_id = PCI_CLASS_SERIAL_USB; - k->no_hotplug = 1; - set_bit(DEVICE_CATEGORY_USB, dc->categories); - dc->desc = "Apple USB Controller"; - dc->props = ohci_pci_properties; -} - -static const TypeInfo ohci_pci_info = { - .name = TYPE_PCI_OHCI, - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(OHCIPCIState), - .class_init = ohci_pci_class_init, -}; - -static Property ohci_sysbus_properties[] = { - DEFINE_PROP_UINT32("num-ports", OHCISysBusState, num_ports, 3), - DEFINE_PROP_DMAADDR("dma-offset", OHCISysBusState, dma_offset, 3), - DEFINE_PROP_END_OF_LIST(), -}; - -static void ohci_sysbus_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->realize = ohci_realize_pxa; - set_bit(DEVICE_CATEGORY_USB, dc->categories); - dc->desc = "OHCI USB Controller"; - dc->props = ohci_sysbus_properties; -} - -static const TypeInfo ohci_sysbus_info = { - .name = TYPE_SYSBUS_OHCI, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(OHCISysBusState), - .class_init = ohci_sysbus_class_init, -}; - -static void ohci_register_types(void) -{ - type_register_static(&ohci_pci_info); - type_register_static(&ohci_sysbus_info); -} - -type_init(ohci_register_types) diff --git a/hw/usb/hcd-ohci.h b/hw/usb/hcd-ohci.h new file mode 100644 index 0000000..8be00f2 --- /dev/null +++ b/hw/usb/hcd-ohci.h @@ -0,0 +1,311 @@ +/* + * QEMU USB OHCI Emulation + * Copyright (c) 2004 Gianni Tedesco + * Copyright (c) 2006 CodeSourcery + * Copyright (c) 2006 Openedhand Ltd. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + * + * TODO: + * o Isochronous transfers + * o Allocate bandwidth in frames properly + * o Disable timers when nothing needs to be done, or remove timer usage + * all together. + * o BIOS work to boot from USB storage +*/ + +#ifndef HW_USB_OHCI_H +#define HW_USB_OHCI_H 1 + +#include "hw/hw.h" +#include "qemu/timer.h" +#include "hw/usb.h" +#include "hw/qdev-dma.h" +#include "hw/pci/pci.h" + +//#define DEBUG_OHCI +/* Dump packet contents. */ +//#define DEBUG_PACKET +//#define DEBUG_ISOCH +/* This causes frames to occur 1000x slower */ +//#define OHCI_TIME_WARP 1 + +#ifdef DEBUG_OHCI +#define DPRINTF printf +#else +#define DPRINTF(...) +#endif + +/* Number of Downstream Ports on the root hub. */ + +#define OHCI_MAX_PORTS 15 + +typedef struct OHCIPort { + USBPort port; + uint32_t ctrl; +} OHCIPort; + +typedef struct { + USBBus bus; + qemu_irq irq; + MemoryRegion mem; + AddressSpace *as; + int num_ports; + const char *name; + + QEMUTimer *eof_timer; + int64_t sof_time; + + /* OHCI state */ + /* Control partition */ + uint32_t ctl, status; + uint32_t intr_status; + uint32_t intr; + + /* memory pointer partition */ + uint32_t hcca; + uint32_t ctrl_head, ctrl_cur; + uint32_t bulk_head, bulk_cur; + uint32_t per_cur; + uint32_t done; + int done_count; + + /* Frame counter partition */ + uint32_t fsmps:15; + uint32_t fit:1; + uint32_t fi:14; + uint32_t frt:1; + uint16_t frame_number; + uint16_t padding; + uint32_t pstart; + uint32_t lst; + + /* Root Hub partition */ + uint32_t rhdesc_a, rhdesc_b; + uint32_t rhstatus; + OHCIPort rhport[OHCI_MAX_PORTS]; + + /* PXA27x Non-OHCI events */ + uint32_t hstatus; + uint32_t hmask; + uint32_t hreset; + uint32_t htest; + + /* SM501 local memory offset */ + dma_addr_t localmem_base; + + /* Active packets. */ + uint32_t old_ctl; + USBPacket usb_packet; + uint8_t usb_buf[8192]; + uint32_t async_td; + int async_complete; + +} OHCIState; + +/* Host Controller Communications Area */ +struct ohci_hcca { + uint32_t intr[32]; + uint16_t frame, pad; + uint32_t done; +}; +#define HCCA_WRITEBACK_OFFSET offsetof(struct ohci_hcca, frame) +#define HCCA_WRITEBACK_SIZE 8 /* frame, pad, done */ + +#define ED_WBACK_OFFSET offsetof(struct ohci_ed, head) +#define ED_WBACK_SIZE 4 + +/* Bitfields for the first word of an Endpoint Desciptor. */ +#define OHCI_ED_FA_SHIFT 0 +#define OHCI_ED_FA_MASK (0x7f<<OHCI_ED_FA_SHIFT) +#define OHCI_ED_EN_SHIFT 7 +#define OHCI_ED_EN_MASK (0xf<<OHCI_ED_EN_SHIFT) +#define OHCI_ED_D_SHIFT 11 +#define OHCI_ED_D_MASK (3<<OHCI_ED_D_SHIFT) +#define OHCI_ED_S (1<<13) +#define OHCI_ED_K (1<<14) +#define OHCI_ED_F (1<<15) +#define OHCI_ED_MPS_SHIFT 16 +#define OHCI_ED_MPS_MASK (0x7ff<<OHCI_ED_MPS_SHIFT) + +/* Flags in the head field of an Endpoint Desciptor. */ +#define OHCI_ED_H 1 +#define OHCI_ED_C 2 + +/* Bitfields for the first word of a Transfer Desciptor. */ +#define OHCI_TD_R (1<<18) +#define OHCI_TD_DP_SHIFT 19 +#define OHCI_TD_DP_MASK (3<<OHCI_TD_DP_SHIFT) +#define OHCI_TD_DI_SHIFT 21 +#define OHCI_TD_DI_MASK (7<<OHCI_TD_DI_SHIFT) +#define OHCI_TD_T0 (1<<24) +#define OHCI_TD_T1 (1<<25) +#define OHCI_TD_EC_SHIFT 26 +#define OHCI_TD_EC_MASK (3<<OHCI_TD_EC_SHIFT) +#define OHCI_TD_CC_SHIFT 28 +#define OHCI_TD_CC_MASK (0xf<<OHCI_TD_CC_SHIFT) + +/* Bitfields for the first word of an Isochronous Transfer Desciptor. */ +/* CC & DI - same as in the General Transfer Desciptor */ +#define OHCI_TD_SF_SHIFT 0 +#define OHCI_TD_SF_MASK (0xffff<<OHCI_TD_SF_SHIFT) +#define OHCI_TD_FC_SHIFT 24 +#define OHCI_TD_FC_MASK (7<<OHCI_TD_FC_SHIFT) + +/* Isochronous Transfer Desciptor - Offset / PacketStatusWord */ +#define OHCI_TD_PSW_CC_SHIFT 12 +#define OHCI_TD_PSW_CC_MASK (0xf<<OHCI_TD_PSW_CC_SHIFT) +#define OHCI_TD_PSW_SIZE_SHIFT 0 +#define OHCI_TD_PSW_SIZE_MASK (0xfff<<OHCI_TD_PSW_SIZE_SHIFT) + +#define OHCI_PAGE_MASK 0xfffff000 +#define OHCI_OFFSET_MASK 0xfff + +#define OHCI_DPTR_MASK 0xfffffff0 + +#define OHCI_BM(val, field) \ + (((val) & OHCI_##field##_MASK) >> OHCI_##field##_SHIFT) + +#define OHCI_SET_BM(val, field, newval) do { \ + val &= ~OHCI_##field##_MASK; \ + val |= ((newval) << OHCI_##field##_SHIFT) & OHCI_##field##_MASK; \ + } while(0) + +/* endpoint descriptor */ +struct ohci_ed { + uint32_t flags; + uint32_t tail; + uint32_t head; + uint32_t next; +}; + +/* General transfer descriptor */ +struct ohci_td { + uint32_t flags; + uint32_t cbp; + uint32_t next; + uint32_t be; +}; + +/* Isochronous transfer descriptor */ +struct ohci_iso_td { + uint32_t flags; + uint32_t bp; + uint32_t next; + uint32_t be; + uint16_t offset[8]; +}; + +#define USB_HZ 12000000 + +/* OHCI Local stuff */ +#define OHCI_CTL_CBSR ((1<<0)|(1<<1)) +#define OHCI_CTL_PLE (1<<2) +#define OHCI_CTL_IE (1<<3) +#define OHCI_CTL_CLE (1<<4) +#define OHCI_CTL_BLE (1<<5) +#define OHCI_CTL_HCFS ((1<<6)|(1<<7)) +#define OHCI_USB_RESET 0x00 +#define OHCI_USB_RESUME 0x40 +#define OHCI_USB_OPERATIONAL 0x80 +#define OHCI_USB_SUSPEND 0xc0 +#define OHCI_CTL_IR (1<<8) +#define OHCI_CTL_RWC (1<<9) +#define OHCI_CTL_RWE (1<<10) + +#define OHCI_STATUS_HCR (1<<0) +#define OHCI_STATUS_CLF (1<<1) +#define OHCI_STATUS_BLF (1<<2) +#define OHCI_STATUS_OCR (1<<3) +#define OHCI_STATUS_SOC ((1<<6)|(1<<7)) + +#define OHCI_INTR_SO (1<<0) /* Scheduling overrun */ +#define OHCI_INTR_WD (1<<1) /* HcDoneHead writeback */ +#define OHCI_INTR_SF (1<<2) /* Start of frame */ +#define OHCI_INTR_RD (1<<3) /* Resume detect */ +#define OHCI_INTR_UE (1<<4) /* Unrecoverable error */ +#define OHCI_INTR_FNO (1<<5) /* Frame number overflow */ +#define OHCI_INTR_RHSC (1<<6) /* Root hub status change */ +#define OHCI_INTR_OC (1<<30) /* Ownership change */ +#define OHCI_INTR_MIE (1<<31) /* Master Interrupt Enable */ + +#define OHCI_HCCA_SIZE 0x100 +#define OHCI_HCCA_MASK 0xffffff00 + +#define OHCI_EDPTR_MASK 0xfffffff0 + +#define OHCI_FMI_FI 0x00003fff +#define OHCI_FMI_FSMPS 0xffff0000 +#define OHCI_FMI_FIT 0x80000000 + +#define OHCI_FR_RT (1<<31) + +#define OHCI_LS_THRESH 0x628 + +#define OHCI_RHA_RW_MASK 0x00000000 /* Mask of supported features. */ +#define OHCI_RHA_PSM (1<<8) +#define OHCI_RHA_NPS (1<<9) +#define OHCI_RHA_DT (1<<10) +#define OHCI_RHA_OCPM (1<<11) +#define OHCI_RHA_NOCP (1<<12) +#define OHCI_RHA_POTPGT_MASK 0xff000000 + +#define OHCI_RHS_LPS (1<<0) +#define OHCI_RHS_OCI (1<<1) +#define OHCI_RHS_DRWE (1<<15) +#define OHCI_RHS_LPSC (1<<16) +#define OHCI_RHS_OCIC (1<<17) +#define OHCI_RHS_CRWE (1<<31) + +#define OHCI_PORT_CCS (1<<0) +#define OHCI_PORT_PES (1<<1) +#define OHCI_PORT_PSS (1<<2) +#define OHCI_PORT_POCI (1<<3) +#define OHCI_PORT_PRS (1<<4) +#define OHCI_PORT_PPS (1<<8) +#define OHCI_PORT_LSDA (1<<9) +#define OHCI_PORT_CSC (1<<16) +#define OHCI_PORT_PESC (1<<17) +#define OHCI_PORT_PSSC (1<<18) +#define OHCI_PORT_OCIC (1<<19) +#define OHCI_PORT_PRSC (1<<20) +#define OHCI_PORT_WTC (OHCI_PORT_CSC|OHCI_PORT_PESC|OHCI_PORT_PSSC \ + |OHCI_PORT_OCIC|OHCI_PORT_PRSC) + +#define OHCI_TD_DIR_SETUP 0x0 +#define OHCI_TD_DIR_OUT 0x1 +#define OHCI_TD_DIR_IN 0x2 +#define OHCI_TD_DIR_RESERVED 0x3 + +#define OHCI_CC_NOERROR 0x0 +#define OHCI_CC_CRC 0x1 +#define OHCI_CC_BITSTUFFING 0x2 +#define OHCI_CC_DATATOGGLEMISMATCH 0x3 +#define OHCI_CC_STALL 0x4 +#define OHCI_CC_DEVICENOTRESPONDING 0x5 +#define OHCI_CC_PIDCHECKFAILURE 0x6 +#define OHCI_CC_UNDEXPETEDPID 0x7 +#define OHCI_CC_DATAOVERRUN 0x8 +#define OHCI_CC_DATAUNDERRUN 0x9 +#define OHCI_CC_BUFFEROVERRUN 0xc +#define OHCI_CC_BUFFERUNDERRUN 0xd + +#define OHCI_HRESET_FSBIR (1 << 0) + +int usb_ohci_init(OHCIState *ohci, DeviceState *dev, + int num_ports, dma_addr_t localmem_base, + char *masterbus, uint32_t firstport, + AddressSpace *as); + +#endif /* HW_USB_OHCI_H */ -- 1.7.10.4
