///////////////////////////////////////////////////////////////////////// // $Id$ ///////////////////////////////////////////////////////////////////////// // // Copyright (C) 2009 Benjamin D Lunt (fys at frontiernet net) // // 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, write to the Free Software // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ///////////////////////////////////////////////////////////////////////// // Experimental USB OHCI adapter // Notes: See usb_common.cc // Define BX_PLUGGABLE in files that can be compiled into plugins. For // platforms that require a special tag on exported symbols, BX_PLUGGABLE // is used to know when we are exporting symbols and when we are importing. #define BX_PLUGGABLE #include "iodev.h" #if BX_SUPPORT_PCI && BX_SUPPORT_USB_OHCI #include "pci.h" #include "usb_common.h" #include "usb_ohci.h" #define LOG_THIS theUSB_OHCI-> bx_usb_ohci_c* theUSB_OHCI = NULL; const char *usb_ohci_port_name[] = { "HCRevision ", "HCControl ", "HCCommandStatus ", "HCInterruptStatus ", "HCInterruptEnable ", "HCInterruptDisable", "HCHCCA ", "HCPeriodCurrentED ", "HCControlHeadED ", "HCControlCurrentED", "HCBulkHeadED ", "HCBulkCurrentED ", "HCDoneHead ", "HCFmInterval ", "HCFmRemaining ", "HCFmNumber ", "HCPeriodicStart ", "HCLSThreshold ", "HCRhDescriptorA ", "HCRhDescriptorB ", "HCRhStatus ", "HCRhPortStatus0 ", "HCRhPortStatus1 ", "HCRhPortStatus2 ", "HCRhPortStatus3 ", " **unknown** " }; int libusb_ohci_LTX_plugin_init(plugin_t *plugin, plugintype_t type, int argc, char *argv[]) { theUSB_OHCI = new bx_usb_ohci_c(); BX_REGISTER_DEVICE_DEVMODEL(plugin, type, theUSB_OHCI, BX_PLUGIN_USB_OHCI); return 0; // Success } void libusb_ohci_LTX_plugin_fini(void) { delete theUSB_OHCI; } bx_usb_ohci_c::bx_usb_ohci_c() { put("OHCI"); memset((void*)&hub, 0, sizeof(bx_usb_ohci_t)); device_buffer = NULL; hub.iolight_timer_index = BX_NULL_TIMER_HANDLE; } bx_usb_ohci_c::~bx_usb_ohci_c() { char pname[16]; if (BX_OHCI_THIS device_buffer != NULL) delete [] BX_OHCI_THIS device_buffer; for (int i=0; iget_param_string(pname, SIM->get_param(BXPN_USB_OHCI))->set_handler(NULL); remove_device(i); } BX_DEBUG(("Exit")); } void bx_usb_ohci_c::init(void) { unsigned i; char pname[6]; bx_list_c *port; bx_param_string_c *device, *options; BX_OHCI_THIS device_buffer = new Bit8u[65536]; // Call our frame timer routine every 1mS (1,000uS) // Continuous and active BX_OHCI_THIS hub.frame_index = bx_pc_system.register_timer(this, usb_frame_handler, 1000, 1,1, "ohci.frame_timer"); BX_OHCI_THIS hub.devfunc = 0x00; DEV_register_pci_handlers(this, &BX_OHCI_THIS hub.devfunc, BX_PLUGIN_USB_OHCI, "Experimental USB OHCI"); for (i=0; i<256; i++) BX_OHCI_THIS pci_conf[i] = 0x0; BX_OHCI_THIS hub.base_addr = 0x0; BX_OHCI_THIS hub.ohci_done_count = 7; BX_OHCI_THIS hub.use_control_head = 0; BX_OHCI_THIS hub.use_bulk_head = 0; BX_OHCI_THIS hub.sof_time = 0; //FIXME: for now, we want a status bar // hub zero, port zero BX_OHCI_THIS hub.statusbar_id = bx_gui->register_statusitem("OHCI"); bx_list_c *usb_rt = (bx_list_c*)SIM->get_param(BXPN_MENU_RUNTIME_USB); bx_list_c *ohci = (bx_list_c*)SIM->get_param(BXPN_USB_OHCI); ohci->set_options(ohci->SHOW_PARENT); ohci->set_runtime_param(1); usb_rt->add(ohci); for (i=0; iget_param(pname, ohci); port->set_runtime_param(1); device = (bx_param_string_c*)port->get_by_name("device"); device->set_handler(usb_param_handler); device->set_runtime_param(1); options = (bx_param_string_c*)port->get_by_name("options"); options->set_runtime_param(1); BX_OHCI_THIS hub.usb_port[i].device = NULL; BX_OHCI_THIS hub.usb_port[i].HcRhPortStatus.ccs = 0; BX_OHCI_THIS hub.usb_port[i].HcRhPortStatus.csc = 0; } //HACK: Turn on debug messages from the start //BX_OHCI_THIS setonoff(LOGLEV_DEBUG, ACT_REPORT); // register timer for i/o light if (BX_OHCI_THIS hub.iolight_timer_index == BX_NULL_TIMER_HANDLE) { BX_OHCI_THIS hub.iolight_timer_index = DEV_register_timer(this, iolight_timer_handler, 5000, 0,0, "OHCI i/o light"); } BX_OHCI_THIS hub.iolight_counter = 0; // register handler for correct device connect handling after runtime config SIM->register_runtime_config_handler(BX_OHCI_THIS_PTR, runtime_config_handler); BX_OHCI_THIS hub.device_change = 0; BX_INFO(("USB OHCI initialized")); } void bx_usb_ohci_c::reset(unsigned type) { unsigned i; if (type == BX_RESET_HARDWARE) { static const struct reset_vals_t { unsigned addr; unsigned char val; } reset_vals[] = { { 0x00, 0xC1 }, { 0x01, 0x11 }, // 0x11C1 = vendor { 0x02, 0x03 }, { 0x03, 0x58 }, // 0x5803 = device { 0x04, 0x06 }, { 0x05, 0x00 }, // command_io { 0x06, 0x10 }, { 0x07, 0x02 }, // status (bit 4 = 1, has capabilities list.) { 0x08, 0x11 }, // revision number { 0x09, 0x10 }, // interface { 0x0a, 0x03 }, // class_sub USB Host Controller { 0x0b, 0x0c }, // class_base Serial Bus Controller { 0x0D, 0x40 }, // bus latency { 0x0e, 0x00 }, // header_type_generic // address space 0x10 - 0x13 { 0x10, 0x00 }, { 0x11, 0x50 }, // { 0x12, 0x00 }, { 0x13, 0xE1 }, // { 0x2C, 0xC1 }, { 0x2D, 0x11 }, // subsystem vendor ID { 0x2E, 0x03 }, { 0x2F, 0x58 }, // subsystem ID { 0x34, 0x50 }, // offset of capabilities list within configuration space { 0x3c, 0x0B }, // IRQ { 0x3d, BX_PCI_INTD }, // INT { 0x3E, 0x03 }, // minimum time bus master needs PCI bus ownership, in 250ns units { 0x3F, 0x56 }, // maximum latency, in 250ns units (bus masters only) (read-only) // capabilities list: { 0x50, 0x01 }, // { 0x51, 0x00 }, // { 0x52, 0x02 }, // { 0x53, 0x76 }, // { 0x54, 0x00 }, // { 0x55, 0x20 }, // { 0x56, 0x00 }, // { 0x57, 0x1F }, // }; for (i = 0; i < sizeof(reset_vals) / sizeof(*reset_vals); ++i) { BX_OHCI_THIS pci_conf[reset_vals[i].addr] = reset_vals[i].val; } } BX_OHCI_THIS reset_hc(); } void bx_usb_ohci_c::reset_hc() { int i; char pname[6]; // reset locals BX_OHCI_THIS hub.ohci_done_count = 7; // HcRevision BX_OHCI_THIS hub.op_regs.HcRevision = 0x0110; // HcControl BX_OHCI_THIS hub.op_regs.HcControl.reserved = 0; BX_OHCI_THIS hub.op_regs.HcControl.rwe = 0; BX_OHCI_THIS hub.op_regs.HcControl.rwc = 0; BX_OHCI_THIS hub.op_regs.HcControl.ir = 0; BX_OHCI_THIS hub.op_regs.HcControl.hcfs = 0; BX_OHCI_THIS hub.op_regs.HcControl.ble = 0; BX_OHCI_THIS hub.op_regs.HcControl.cle = 0; BX_OHCI_THIS hub.op_regs.HcControl.ie = 0; BX_OHCI_THIS hub.op_regs.HcControl.ple = 0; BX_OHCI_THIS hub.op_regs.HcControl.cbsr = 0; // HcCommandStatus BX_OHCI_THIS hub.op_regs.HcCommandStatus.reserved0 = 0x000000; BX_OHCI_THIS hub.op_regs.HcCommandStatus.soc = 0; BX_OHCI_THIS hub.op_regs.HcCommandStatus.reserved1 = 0x000000; BX_OHCI_THIS hub.op_regs.HcCommandStatus.ocr = 0; BX_OHCI_THIS hub.op_regs.HcCommandStatus.blf = 0; BX_OHCI_THIS hub.op_regs.HcCommandStatus.clf = 0; BX_OHCI_THIS hub.op_regs.HcCommandStatus.hcr = 0; // HcInterruptStatus BX_OHCI_THIS hub.op_regs.HcInterruptStatus = 0x00000000; // HcInterruptEnable BX_OHCI_THIS hub.op_regs.HcInterruptEnable = OHCI_INTR_MIE; // HcHCCA BX_OHCI_THIS hub.op_regs.HcHCCA = 0x00000000; // HcPeriodCurrentED BX_OHCI_THIS hub.op_regs.HcPeriodCurrentED = 0x00000000; // HcControlHeadED BX_OHCI_THIS hub.op_regs.HcControlHeadED = 0x00000000; // HcControlCurrentED BX_OHCI_THIS hub.op_regs.HcControlCurrentED = 0x00000000; // HcBulkHeadED BX_OHCI_THIS hub.op_regs.HcBulkHeadED = 0x00000000; // HcBulkCurrentED BX_OHCI_THIS hub.op_regs.HcBulkCurrentED = 0x00000000; // HcDoneHead BX_OHCI_THIS hub.op_regs.HcDoneHead = 0x00000000; // HcFmInterval BX_OHCI_THIS hub.op_regs.HcFmInterval.fit = 0; BX_OHCI_THIS hub.op_regs.HcFmInterval.fsmps = 0; BX_OHCI_THIS hub.op_regs.HcFmInterval.reserved = 0; BX_OHCI_THIS hub.op_regs.HcFmInterval.fi = 0x2EDF; // HcFmRemaining BX_OHCI_THIS hub.op_regs.HcFmRemainingToggle = 0; // HcFmNumber BX_OHCI_THIS hub.op_regs.HcFmNumber = 0x00000000; // HcPeriodicStart BX_OHCI_THIS hub.op_regs.HcPeriodicStart = 0x00000000; // HcLSThreshold BX_OHCI_THIS hub.op_regs.HcLSThreshold = 0x0628; // HcRhDescriptorA BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.potpgt = 0x10; BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.reserved = 0; BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.nocp = 0; BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.ocpm = 1; BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.dt = 0; BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.nps = 0; BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.psm = 1; BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.ndp = BX_N_USB_OHCI_PORTS; // HcRhDescriptorB BX_OHCI_THIS hub.op_regs.HcRhDescriptorB.ppcm = ((1 << BX_N_USB_OHCI_PORTS) - 1) << 1; BX_OHCI_THIS hub.op_regs.HcRhDescriptorB.dr = 0x0000; // HcRhStatus BX_OHCI_THIS hub.op_regs.HcRhStatus.crwe = 0; BX_OHCI_THIS hub.op_regs.HcRhStatus.reserved0 = 0; BX_OHCI_THIS hub.op_regs.HcRhStatus.ocic = 0; BX_OHCI_THIS hub.op_regs.HcRhStatus.lpsc = 0; BX_OHCI_THIS hub.op_regs.HcRhStatus.drwe = 0; BX_OHCI_THIS hub.op_regs.HcRhStatus.reserved1 = 0; BX_OHCI_THIS hub.op_regs.HcRhStatus.oci = 0; BX_OHCI_THIS hub.op_regs.HcRhStatus.lps = 0; // HcRhPortStatus[x] for (i=0; iget_param(pname, SIM->get_param(BXPN_USB_OHCI))); } else { usb_set_connect_status(i, BX_OHCI_THIS hub.usb_port[i].device->get_type(), 1); } } } void bx_usb_ohci_c::reset_port(int p) { BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.reserved0 = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.prsc = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.ocic = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pssc = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pesc = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.reserved1 = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.lsda = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pps = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.reserved2 = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.prs = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.poci = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pss = 0; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pes = 0; } void bx_usb_ohci_c::register_state(void) { unsigned i; char portnum[8]; bx_list_c *hub, *port, *reg; bx_list_c *list = new bx_list_c(SIM->get_bochs_root(), "usb_ohci", "USB OHCI State"); hub = new bx_list_c(list, "hub", 25); reg = new bx_list_c(hub, "HcControl", 9); new bx_shadow_bool_c(reg, "rwe", &BX_OHCI_THIS hub.op_regs.HcControl.rwe); new bx_shadow_bool_c(reg, "rwc", &BX_OHCI_THIS hub.op_regs.HcControl.rwc); new bx_shadow_bool_c(reg, "ir", &BX_OHCI_THIS hub.op_regs.HcControl.ir); new bx_shadow_num_c(reg, "hcfs", &BX_OHCI_THIS hub.op_regs.HcControl.hcfs); new bx_shadow_bool_c(reg, "ble", &BX_OHCI_THIS hub.op_regs.HcControl.ble); new bx_shadow_bool_c(reg, "cle", &BX_OHCI_THIS hub.op_regs.HcControl.cle); new bx_shadow_bool_c(reg, "ie", &BX_OHCI_THIS hub.op_regs.HcControl.ie); new bx_shadow_bool_c(reg, "ple", &BX_OHCI_THIS hub.op_regs.HcControl.ple); new bx_shadow_num_c(reg, "cbsr", &BX_OHCI_THIS hub.op_regs.HcControl.cbsr); reg = new bx_list_c(hub, "HcCommandStatus", 5); new bx_shadow_num_c(reg, "soc", &BX_OHCI_THIS hub.op_regs.HcCommandStatus.soc); new bx_shadow_bool_c(reg, "ocr", &BX_OHCI_THIS hub.op_regs.HcCommandStatus.ocr); new bx_shadow_bool_c(reg, "blf", &BX_OHCI_THIS hub.op_regs.HcCommandStatus.blf); new bx_shadow_bool_c(reg, "clf", &BX_OHCI_THIS hub.op_regs.HcCommandStatus.clf); new bx_shadow_bool_c(reg, "hcr", &BX_OHCI_THIS hub.op_regs.HcCommandStatus.hcr); new bx_shadow_num_c(hub, "HcInterruptStatus", &BX_OHCI_THIS hub.op_regs.HcInterruptStatus, BASE_HEX); new bx_shadow_num_c(hub, "HcInterruptEnable", &BX_OHCI_THIS hub.op_regs.HcInterruptEnable, BASE_HEX); new bx_shadow_num_c(hub, "HcHCCA", &BX_OHCI_THIS hub.op_regs.HcHCCA, BASE_HEX); new bx_shadow_num_c(hub, "HcPeriodCurrentED", &BX_OHCI_THIS hub.op_regs.HcPeriodCurrentED, BASE_HEX); new bx_shadow_num_c(hub, "HcControlHeadED", &BX_OHCI_THIS hub.op_regs.HcControlHeadED, BASE_HEX); new bx_shadow_num_c(hub, "HcControlCurrentED", &BX_OHCI_THIS hub.op_regs.HcControlCurrentED, BASE_HEX); new bx_shadow_num_c(hub, "HcBulkHeadED", &BX_OHCI_THIS hub.op_regs.HcBulkHeadED, BASE_HEX); new bx_shadow_num_c(hub, "HcBulkCurrentED", &BX_OHCI_THIS hub.op_regs.HcBulkCurrentED, BASE_HEX); new bx_shadow_num_c(hub, "HcDoneHead", &BX_OHCI_THIS hub.op_regs.HcDoneHead, BASE_HEX); reg = new bx_list_c(hub, "HcFmInterval", 3); new bx_shadow_bool_c(reg, "fit", &BX_OHCI_THIS hub.op_regs.HcFmInterval.fit); new bx_shadow_num_c(reg, "fsmps", &BX_OHCI_THIS hub.op_regs.HcFmInterval.fsmps); new bx_shadow_num_c(reg, "fi", &BX_OHCI_THIS hub.op_regs.HcFmInterval.fi, BASE_HEX); new bx_shadow_bool_c(hub, "HcFmRemainingToggle", &BX_OHCI_THIS hub.op_regs.HcFmRemainingToggle); new bx_shadow_num_c(hub, "HcFmNumber", &BX_OHCI_THIS hub.op_regs.HcFmNumber, BASE_HEX); new bx_shadow_num_c(hub, "HcPeriodicStart", &BX_OHCI_THIS hub.op_regs.HcPeriodicStart, BASE_HEX); reg = new bx_list_c(hub, "HcRhDescriptorA", 7); new bx_shadow_num_c(reg, "potpgt", &BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.potpgt, BASE_HEX); new bx_shadow_bool_c(reg, "nocp", &BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.nocp); new bx_shadow_bool_c(reg, "ocpm", &BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.ocpm); new bx_shadow_bool_c(reg, "dt", &BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.dt); new bx_shadow_bool_c(reg, "nps", &BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.nps); new bx_shadow_bool_c(reg, "psm", &BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.psm); new bx_shadow_num_c(reg, "ndp", &BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.ndp); reg = new bx_list_c(hub, "HcRhDescriptorB", 2); new bx_shadow_num_c(reg, "ppcm", &BX_OHCI_THIS hub.op_regs.HcRhDescriptorB.ppcm, BASE_HEX); new bx_shadow_num_c(reg, "dr", &BX_OHCI_THIS hub.op_regs.HcRhDescriptorB.dr, BASE_HEX); reg = new bx_list_c(hub, "HcRhStatus", 6); new bx_shadow_bool_c(reg, "crwe", &BX_OHCI_THIS hub.op_regs.HcRhStatus.crwe); new bx_shadow_bool_c(reg, "ocic", &BX_OHCI_THIS hub.op_regs.HcRhStatus.ocic); new bx_shadow_bool_c(reg, "lpsc", &BX_OHCI_THIS hub.op_regs.HcRhStatus.lpsc); new bx_shadow_bool_c(reg, "drwe", &BX_OHCI_THIS hub.op_regs.HcRhStatus.drwe); new bx_shadow_bool_c(reg, "oci", &BX_OHCI_THIS hub.op_regs.HcRhStatus.oci); new bx_shadow_bool_c(reg, "lps", &BX_OHCI_THIS hub.op_regs.HcRhStatus.lps); for (i=0; iafter_restore_state(); } } } void bx_usb_ohci_c::init_device(Bit8u port, bx_list_c *portconf) { usbdev_type type; char pname[BX_PATHNAME_LEN]; const char *devname = NULL; devname = ((bx_param_string_c*)portconf->get_by_name("device"))->getptr(); if (devname == NULL) return; if (!strlen(devname) || !strcmp(devname, "none")) return; if (BX_OHCI_THIS hub.usb_port[port].device != NULL) { BX_ERROR(("init_device(): port%d already in use", port+1)); return; } sprintf(pname, "usb_ohci.hub.port%d.device", port+1); bx_list_c *sr_list = (bx_list_c*)SIM->get_param(pname, SIM->get_bochs_root()); type = DEV_usb_init_device(portconf, BX_OHCI_THIS_PTR, &BX_OHCI_THIS hub.usb_port[port].device, sr_list); if (BX_OHCI_THIS hub.usb_port[port].device != NULL) { usb_set_connect_status(port, type, 1); } } void bx_usb_ohci_c::remove_device(Bit8u port) { char pname[BX_PATHNAME_LEN]; if (BX_OHCI_THIS hub.usb_port[port].device != NULL) { delete BX_OHCI_THIS hub.usb_port[port].device; BX_OHCI_THIS hub.usb_port[port].device = NULL; sprintf(pname, "usb_ohci.hub.port%d.device", port+1); bx_list_c *devlist = (bx_list_c*)SIM->get_param(pname, SIM->get_bochs_root()); devlist->clear(); } } void bx_usb_ohci_c::update_irq() { bx_bool level = 0; if ((BX_OHCI_THIS hub.op_regs.HcInterruptEnable & OHCI_INTR_MIE) && (BX_OHCI_THIS hub.op_regs.HcInterruptStatus & BX_OHCI_THIS hub.op_regs.HcInterruptEnable)) { level = 1; BX_DEBUG(("Interrupt Fired.")); } DEV_pci_set_irq(BX_OHCI_THIS hub.devfunc, BX_OHCI_THIS pci_conf[0x3d], level); } void bx_usb_ohci_c::set_interrupt(Bit32u value) { BX_OHCI_THIS hub.op_regs.HcInterruptStatus |= value; update_irq(); } bx_bool bx_usb_ohci_c::read_handler(bx_phy_address addr, unsigned len, void *data, void *param) { Bit32u val = 0x0; int p = 0; if (len != 4) { BX_INFO(("Read at 0x%08X with len != 4 (%i)", (Bit32u)addr, len)); return 1; } if (addr & 3) { BX_INFO(("Misaligned read at 0x%08X", (Bit32u)addr)); return 1; } Bit32u offset = (Bit32u)(addr - BX_OHCI_THIS hub.base_addr); switch (offset) { case 0x00: // HcRevision val = BX_OHCI_THIS hub.op_regs.HcRevision; break; case 0x04: // HcControl val = (BX_OHCI_THIS hub.op_regs.HcControl.reserved << 11) | (BX_OHCI_THIS hub.op_regs.HcControl.rwe ? 1 << 10 : 0) | (BX_OHCI_THIS hub.op_regs.HcControl.rwc ? 1 << 9 : 0) | (BX_OHCI_THIS hub.op_regs.HcControl.ir ? 1 << 8 : 0) | (BX_OHCI_THIS hub.op_regs.HcControl.hcfs << 6) | (BX_OHCI_THIS hub.op_regs.HcControl.ble ? 1 << 5 : 0) | (BX_OHCI_THIS hub.op_regs.HcControl.cle ? 1 << 4 : 0) | (BX_OHCI_THIS hub.op_regs.HcControl.ie ? 1 << 3 : 0) | (BX_OHCI_THIS hub.op_regs.HcControl.ple ? 1 << 2 : 0) | (BX_OHCI_THIS hub.op_regs.HcControl.cbsr << 0); break; case 0x08: // HcCommandStatus val = (BX_OHCI_THIS hub.op_regs.HcCommandStatus.reserved0 << 18) | (BX_OHCI_THIS hub.op_regs.HcCommandStatus.soc << 16) | (BX_OHCI_THIS hub.op_regs.HcCommandStatus.reserved1 << 4) | (BX_OHCI_THIS hub.op_regs.HcCommandStatus.ocr ? 1 << 3 : 0) | (BX_OHCI_THIS hub.op_regs.HcCommandStatus.blf ? 1 << 2 : 0) | (BX_OHCI_THIS hub.op_regs.HcCommandStatus.clf ? 1 << 1 : 0) | (BX_OHCI_THIS hub.op_regs.HcCommandStatus.hcr ? 1 << 0 : 0); break; case 0x0C: // HcInterruptStatus val = BX_OHCI_THIS hub.op_regs.HcInterruptStatus; break; case 0x10: // HcInterruptEnable case 0x14: // HcInterruptDisable (reading this one returns that one) val = BX_OHCI_THIS hub.op_regs.HcInterruptEnable; break; case 0x18: // HcHCCA val = BX_OHCI_THIS hub.op_regs.HcHCCA; break; case 0x1C: // HcPeriodCurrentED val = BX_OHCI_THIS hub.op_regs.HcPeriodCurrentED; break; case 0x20: // HcControlHeadED val = BX_OHCI_THIS hub.op_regs.HcControlHeadED; break; case 0x24: // HcControlCurrentED val = BX_OHCI_THIS hub.op_regs.HcControlCurrentED; break; case 0x28: // HcBulkHeadED val = BX_OHCI_THIS hub.op_regs.HcBulkHeadED; break; case 0x2C: // HcBulkCurrentED val = BX_OHCI_THIS hub.op_regs.HcBulkCurrentED; break; case 0x30: // HcDoneHead val = BX_OHCI_THIS hub.op_regs.HcDoneHead; break; case 0x34: // HcFmInterval val = (BX_OHCI_THIS hub.op_regs.HcFmInterval.fit ? 1 << 31 : 0) | (BX_OHCI_THIS hub.op_regs.HcFmInterval.fsmps << 16) | (BX_OHCI_THIS hub.op_regs.HcFmInterval.reserved << 14) | (BX_OHCI_THIS hub.op_regs.HcFmInterval.fi << 0); break; case 0x38: // HcFmRemaining val = get_frame_remaining(); break; case 0x3C: // HcFmNumber val = BX_OHCI_THIS hub.op_regs.HcFmNumber; break; case 0x40: // HcPeriodicStart val = BX_OHCI_THIS hub.op_regs.HcPeriodicStart; break; case 0x44: // HcLSThreshold val = BX_OHCI_THIS hub.op_regs.HcLSThreshold; break; case 0x48: // HcRhDescriptorA val = (BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.potpgt << 24) | (BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.reserved << 13) | (BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.nocp ? 1 << 12 : 0) | (BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.ocpm ? 1 << 11 : 0) | 0 //BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.dt << 10 | (BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.nps ? 1 << 9 : 0) | (BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.psm ? 1 << 8 : 0) | (BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.ndp << 0); break; case 0x4C: // HcRhDescriptorB val = (BX_OHCI_THIS hub.op_regs.HcRhDescriptorB.ppcm << 16) | (BX_OHCI_THIS hub.op_regs.HcRhDescriptorB.dr << 0); break; case 0x50: // HcRhStatus val = (BX_OHCI_THIS hub.op_regs.HcRhStatus.crwe ? 1 << 31 : 0) | (BX_OHCI_THIS hub.op_regs.HcRhStatus.reserved0 << 18) | (BX_OHCI_THIS hub.op_regs.HcRhStatus.ocic ? 1 << 17 : 0) | 0 //BX_OHCI_THIS hub.op_regs.HcRhStatus.lpsc << 16 | (BX_OHCI_THIS hub.op_regs.HcRhStatus.drwe ? 1 << 15 : 0) | (BX_OHCI_THIS hub.op_regs.HcRhStatus.reserved1 << 2) | (BX_OHCI_THIS hub.op_regs.HcRhStatus.oci ? 1 << 1 : 0) | (BX_OHCI_THIS hub.op_regs.HcRhStatus.lps ? 1 << 0 : 0); break; case 0x60: // HcRhPortStatus[3] #if (BX_N_USB_OHCI_PORTS < 4) val = 0; break; #endif case 0x5C: // HcRhPortStatus[2] #if (BX_N_USB_OHCI_PORTS < 3) val = 0; break; #endif case 0x58: // HcRhPortStatus[1] #if (BX_N_USB_OHCI_PORTS < 2) val = 0; break; #endif case 0x54: // HcRhPortStatus[0] p = (offset - 0x54) >> 2; if (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pps == 1) { val = (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.reserved0 << 21) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.prsc ? (1 << 20) : 0) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.ocic ? (1 << 19) : 0) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pssc ? (1 << 18) : 0) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pesc ? (1 << 17) : 0) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.csc ? (1 << 16) : 0) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.reserved1 << 10) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.lsda ? (1 << 9) : 0) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pps ? (1 << 8) : 0) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.reserved2 << 5) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.prs ? (1 << 4) : 0) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.poci ? (1 << 3) : 0) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pss ? (1 << 2) : 0) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pes ? (1 << 1) : 0) | (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.ccs ? (1 << 0) : 0); } else val = 0; break; default: BX_ERROR(("unsupported read from address=0x%08X!", (Bit32u)addr)); break; } int name = offset >> 2; if (name > (0x60 >> 2)) name = 25; //BX_INFO(("register read from address 0x%04X (%s): 0x%08X (len=%i)", (unsigned) addr, usb_ohci_port_name[name], (Bit32u) val, len)); *((Bit32u *) data) = val; return 1; } bx_bool bx_usb_ohci_c::write_handler(bx_phy_address addr, unsigned len, void *data, void *param) { Bit32u value = *((Bit32u *) data); Bit32u offset = (Bit32u)addr - BX_OHCI_THIS hub.base_addr; int p, org_state; int name = offset >> 2; if (name > (0x60 >> 2)) name = 25; //BX_INFO(("register write to address 0x%04X (%s): 0x%08X (len=%i)", (unsigned) addr, usb_ohci_port_name[name], (unsigned) value, len)); if (len != 4) { BX_INFO(("Write at 0x%08X with len != 4 (%i)", (Bit32u)addr, len)); return 1; } if (addr & 3) { BX_INFO(("Misaligned write at 0x%08X", (Bit32u)addr)); return 1; } switch (offset) { case 0x00: // HcRevision BX_ERROR(("Write to HcRevision ignored")); break; case 0x04: // HcControl if (value & 0xFFFFF800) BX_ERROR(("Write to reserved field in HcControl")); org_state = BX_OHCI_THIS hub.op_regs.HcControl.hcfs; BX_OHCI_THIS hub.op_regs.HcControl.rwe = (value & (1<<10)) ? 1 : 0; BX_OHCI_THIS hub.op_regs.HcControl.rwc = (value & (1<< 9)) ? 1 : 0; BX_OHCI_THIS hub.op_regs.HcControl.ir = (value & (1<< 8)) ? 1 : 0; BX_OHCI_THIS hub.op_regs.HcControl.hcfs = (value & (3<< 6)) >> 6; BX_OHCI_THIS hub.op_regs.HcControl.ble = (value & (1<< 5)) ? 1 : 0; BX_OHCI_THIS hub.op_regs.HcControl.cle = (value & (1<< 4)) ? 1 : 0; BX_OHCI_THIS hub.op_regs.HcControl.ie = (value & (1<< 3)) ? 1 : 0; BX_OHCI_THIS hub.op_regs.HcControl.ple = (value & (1<< 2)) ? 1 : 0; BX_OHCI_THIS hub.op_regs.HcControl.cbsr = (value & (3<< 0)) >> 0; if (BX_OHCI_THIS hub.op_regs.HcControl.hcfs == 0x02) { BX_OHCI_THIS hub.op_regs.HcFmRemainingToggle = 0; if (org_state != 2) BX_OHCI_THIS hub.use_control_head = BX_OHCI_THIS hub.use_bulk_head = 1; } break; case 0x08: // HcCommandStatus if (value & 0xFFFCFFF0) BX_ERROR(("Write to a reserved field in HcCommandStatus")); if (value & (3<<16)) BX_ERROR(("Write to R/O field: HcCommandStatus.soc")); if (value & (1<< 3)) BX_OHCI_THIS hub.op_regs.HcCommandStatus.ocr = 1; if (value & (1<< 2)) BX_OHCI_THIS hub.op_regs.HcCommandStatus.blf = 1; if (value & (1<< 1)) BX_OHCI_THIS hub.op_regs.HcCommandStatus.clf = 1; if (value & (1<< 0)) { BX_OHCI_THIS hub.op_regs.HcCommandStatus.hcr = 1; BX_OHCI_THIS reset_hc(); BX_OHCI_THIS hub.op_regs.HcControl.hcfs = 3; // suspend state for (unsigned i=0; i> 16; BX_OHCI_THIS hub.op_regs.HcFmInterval.fi = (value & 0x00003FFF) >> 0; break; case 0x38: // HcFmRemaining BX_ERROR(("Write to HcFmRemaining not allowed.")); break; case 0x3C: // HcFmNumber BX_ERROR(("Write to HcFmNumber not allowed.")); break; case 0x40: // HcPeriodicStart if (value & 0xFFFFC000) BX_ERROR(("Write to a reserved field in HcPeriodicStart.")); BX_OHCI_THIS hub.op_regs.HcPeriodicStart = (value & 0x00003FFF); break; case 0x44: // HcLSThreshold BX_ERROR(("Write to HcLSThreshold not allowed.")); break; case 0x48: // HcRhDescriptorA if (value & 0x00FFE000) BX_ERROR(("Write to a reserved field in HcRhDescriptorA.")); if (value & 0x000000FF) BX_ERROR(("Write to HcRhDescriptorA.ndp not allowed.")); if (value & (1<<10)) BX_ERROR(("Write to HcRhDescriptorA.dt not allowed.")); BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.potpgt = (value & 0xFF000000) >> 24; BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.nocp = (value & (1<<12)) ? 1 : 0; BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.ocpm = (value & (1<<11)) ? 1 : 0; BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.nps = (value & (1<< 9)) ? 1 : 0; BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.psm = (value & (1<< 8)) ? 1 : 0; if (BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.psm == 0) { BX_INFO(("Ben: BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.psm == 0")); // all ports have power, etc. // BX_USB_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pps = 1 // Call a routine to set each ports dword (LS, Connected, etc.) } else { BX_INFO(("Ben: BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.psm == 1")); // only ports with bit set in rhstatus have power, etc. // Call a routine to set each ports dword (LS, Connected, etc.) } break; case 0x4C: // HcRhDescriptorB BX_OHCI_THIS hub.op_regs.HcRhDescriptorB.ppcm = (value & 0xFFFF0000) >> 16; BX_OHCI_THIS hub.op_regs.HcRhDescriptorB.dr = (value & 0x0000FFFF) >> 0; break; case 0x50: { // HcRhStatus if (value & 0x7FFC7FFC) BX_ERROR(("Write to a reserved field in HcRhStatus.")); if (value & (1<<1)) BX_ERROR(("Write to HcRhStatus.oci not allowed.")); // which one of these two takes presidence? if (value & (1<<31)) BX_OHCI_THIS hub.op_regs.HcRhStatus.drwe = 0; if (value & (1<<15)) BX_OHCI_THIS hub.op_regs.HcRhStatus.drwe = 1; if (value & (1<<17)) BX_OHCI_THIS hub.op_regs.HcRhStatus.ocic = 1; if (value & (1<<16)) { if (BX_OHCI_THIS hub.op_regs.HcRhDescriptorA.psm == 0) { for (p=0; p> 2; if (value & 0xFFE0FCE0) BX_ERROR(("Write to a reserved field in usb_port[%d].HcRhPortStatus", p)); if (value & (1<<0)) BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pes = 0; if (value & (1<<1)) { if (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.ccs == 0) BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.csc = 1; else BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pes = 1; } if (value & (1<<2)) { if (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.ccs == 0) BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.csc = 1; else BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pss = 1; } // if (value & (1<<3)) // if (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pss) // ; // do a resume (or test this in the timer code and do the resume there) if (value & (1<<4)) { if (BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.ccs == 0) BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.csc = 1; else { reset_port(p); BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pps = 1; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pes = 1; BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.prsc = 1; // are we are currently connected/disconnected if (BX_OHCI_THIS hub.usb_port[p].device != NULL) { BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.lsda = (BX_OHCI_THIS hub.usb_port[p].device->get_speed() == USB_SPEED_LOW); usb_set_connect_status(p, BX_OHCI_THIS hub.usb_port[p].device->get_type(), 1); DEV_usb_send_msg(BX_OHCI_THIS hub.usb_port[p].device, USB_MSG_RESET); } set_interrupt(OHCI_INTR_RHSC); } } if (value & (1<<8)) BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pps = 1; if (value & (1<<9)) BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pps = 0; if (value & (1<<16)) BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.csc = (value & ((1<<4) | (1<<1) | (1<<2))) ? 1 : 0; if (value & (1<<17)) BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pesc = 0; if (value & (1<<18)) BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.pssc = 0; if (value & (1<<19)) BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.ocic = 0; if (value & (1<<20)) BX_OHCI_THIS hub.usb_port[p].HcRhPortStatus.prsc = 0; break; } default: BX_ERROR(("unsupported write to address=0x%08X, val = 0x%08X!", (Bit32u)addr, value)); break; } return 1; } Bit32u bx_usb_ohci_c::get_frame_remaining(void) { Bit16u bit_time, fr; bit_time = (Bit16u)((bx_pc_system.time_usec() - BX_OHCI_THIS hub.sof_time) * 12); if ((BX_OHCI_THIS hub.op_regs.HcControl.hcfs != 2) || (bit_time > BX_OHCI_THIS hub.op_regs.HcFmInterval.fi)) { fr = 0; } else { fr = BX_OHCI_THIS hub.op_regs.HcFmInterval.fi - bit_time; } return (BX_OHCI_THIS hub.op_regs.HcFmRemainingToggle << 31) | fr; } void bx_usb_ohci_c::usb_frame_handler(void *this_ptr) { bx_usb_ohci_c *class_ptr = (bx_usb_ohci_c *) this_ptr; class_ptr->usb_frame_timer(); } // Called once every 1mS void bx_usb_ohci_c::usb_frame_timer(void) { struct OHCI_ED cur_ed; Bit32u address, ed_address; Bit16u zero = 0; if (BX_OHCI_THIS hub.op_regs.HcControl.hcfs == 2) { // set remaining to the interval amount. BX_OHCI_THIS hub.op_regs.HcFmRemainingToggle = BX_OHCI_THIS hub.op_regs.HcFmInterval.fit; BX_OHCI_THIS hub.sof_time = bx_pc_system.time_usec(); // The Frame Number Register is incremented // every time bit 15 is changed (at 0x8000 or 0x0000), fno is fired. BX_OHCI_THIS hub.op_regs.HcFmNumber++; BX_OHCI_THIS hub.op_regs.HcFmNumber &= 0xffff; DEV_MEM_WRITE_PHYSICAL(BX_OHCI_THIS hub.op_regs.HcHCCA + 0x80, 2, (Bit8u *) &BX_OHCI_THIS hub.op_regs.HcFmNumber); DEV_MEM_WRITE_PHYSICAL(BX_OHCI_THIS hub.op_regs.HcHCCA + 0x82, 2, (Bit8u *) &zero); if ((BX_OHCI_THIS hub.op_regs.HcFmNumber == 0x8000) || (BX_OHCI_THIS hub.op_regs.HcFmNumber == 0x0000)) { set_interrupt(OHCI_INTR_FNO); } // set_interrupt(OHCI_INTR_SF); // if interrupt delay (done_count) == 0, and status.wdh == 0, then update the donehead fields. BX_DEBUG(("done_count = %i, status.wdh = %i", BX_OHCI_THIS hub.ohci_done_count, ((BX_OHCI_THIS hub.op_regs.HcInterruptStatus & OHCI_INTR_WD) > 0))); if ((BX_OHCI_THIS hub.ohci_done_count == 0) && ((BX_OHCI_THIS hub.op_regs.HcInterruptStatus & OHCI_INTR_WD) == 0)) { Bit32u temp = BX_OHCI_THIS hub.op_regs.HcDoneHead; if (BX_OHCI_THIS hub.op_regs.HcInterruptStatus & BX_OHCI_THIS hub.op_regs.HcInterruptEnable) temp |= 1; BX_DEBUG(("Updating the hcca.DoneHead field to 0x%08X and setting the wdh flag", temp)); DEV_MEM_WRITE_PHYSICAL(BX_OHCI_THIS hub.op_regs.HcHCCA + 0x84, 4, (Bit8u *) &temp); BX_OHCI_THIS hub.op_regs.HcDoneHead = 0; BX_OHCI_THIS hub.ohci_done_count = 7; set_interrupt(OHCI_INTR_WD); } // if (6 >= done_count > 0) then decrement done_count if ((BX_OHCI_THIS hub.ohci_done_count != 7) && (BX_OHCI_THIS hub.ohci_done_count > 0)) BX_OHCI_THIS hub.ohci_done_count--; // TODO: Rather than just comparing .fr to <8000 here, and <4000 below, see the highlighted // statement on page 45. // if the control list is enabled *and* the control list filled bit is set, do a control list ED if (BX_OHCI_THIS hub.op_regs.HcControl.cle) { if (BX_OHCI_THIS hub.use_control_head) { BX_OHCI_THIS hub.op_regs.HcControlCurrentED = 0; BX_OHCI_THIS hub.use_control_head = 0; } if (!BX_OHCI_THIS hub.op_regs.HcControlCurrentED && BX_OHCI_THIS hub.op_regs.HcCommandStatus.clf) { BX_OHCI_THIS hub.op_regs.HcControlCurrentED = BX_OHCI_THIS hub.op_regs.HcControlHeadED; BX_OHCI_THIS hub.op_regs.HcCommandStatus.clf = 0; } while (BX_OHCI_THIS hub.op_regs.HcControlCurrentED) { DEV_MEM_READ_PHYSICAL(BX_OHCI_THIS hub.op_regs.HcControlCurrentED, 4, (Bit8u*) &cur_ed.dword0); DEV_MEM_READ_PHYSICAL(BX_OHCI_THIS hub.op_regs.HcControlCurrentED + 4, 4, (Bit8u*) &cur_ed.dword1); DEV_MEM_READ_PHYSICAL(BX_OHCI_THIS hub.op_regs.HcControlCurrentED + 8, 4, (Bit8u*) &cur_ed.dword2); DEV_MEM_READ_PHYSICAL(BX_OHCI_THIS hub.op_regs.HcControlCurrentED + 12, 4, (Bit8u*) &cur_ed.dword3); process_ed(&cur_ed, BX_OHCI_THIS hub.op_regs.HcControlCurrentED); BX_OHCI_THIS hub.op_regs.HcControlCurrentED = ED_GET_NEXTED(&cur_ed); if (get_frame_remaining() < 8000) goto do_bulk_eds; } } do_bulk_eds: // if the bulk list is enabled *and* the bulk list filled bit is set, do a bulk list ED if (BX_OHCI_THIS hub.op_regs.HcControl.ble) { if (BX_OHCI_THIS hub.use_bulk_head) { BX_OHCI_THIS hub.op_regs.HcBulkCurrentED = 0; BX_OHCI_THIS hub.use_bulk_head = 0; } if (!BX_OHCI_THIS hub.op_regs.HcBulkCurrentED && BX_OHCI_THIS hub.op_regs.HcCommandStatus.blf) { BX_OHCI_THIS hub.op_regs.HcBulkCurrentED = BX_OHCI_THIS hub.op_regs.HcBulkHeadED; BX_OHCI_THIS hub.op_regs.HcCommandStatus.blf = 0; } while (BX_OHCI_THIS hub.op_regs.HcBulkCurrentED) { DEV_MEM_READ_PHYSICAL(BX_OHCI_THIS hub.op_regs.HcBulkCurrentED, 4, (Bit8u*) &cur_ed.dword0); DEV_MEM_READ_PHYSICAL(BX_OHCI_THIS hub.op_regs.HcBulkCurrentED + 4, 4, (Bit8u*) &cur_ed.dword1); DEV_MEM_READ_PHYSICAL(BX_OHCI_THIS hub.op_regs.HcBulkCurrentED + 8, 4, (Bit8u*) &cur_ed.dword2); DEV_MEM_READ_PHYSICAL(BX_OHCI_THIS hub.op_regs.HcBulkCurrentED + 12, 4, (Bit8u*) &cur_ed.dword3); process_ed(&cur_ed, BX_OHCI_THIS hub.op_regs.HcBulkCurrentED); BX_OHCI_THIS hub.op_regs.HcBulkCurrentED = ED_GET_NEXTED(&cur_ed); if (get_frame_remaining() < 4000) goto do_iso_eds; } } do_iso_eds: // do the ED's in the interrupt table if (BX_OHCI_THIS hub.op_regs.HcControl.ple) { address = BX_OHCI_THIS hub.op_regs.HcHCCA + ((BX_OHCI_THIS hub.op_regs.HcFmNumber & 0x1F) * 4); DEV_MEM_READ_PHYSICAL(address, 4, (Bit8u*) &ed_address); while (ed_address) { DEV_MEM_READ_PHYSICAL(ed_address, 4, (Bit8u*) &cur_ed.dword0); DEV_MEM_READ_PHYSICAL(ed_address + 4, 4, (Bit8u*) &cur_ed.dword1); DEV_MEM_READ_PHYSICAL(ed_address + 8, 4, (Bit8u*) &cur_ed.dword2); DEV_MEM_READ_PHYSICAL(ed_address + 12, 4, (Bit8u*) &cur_ed.dword3); process_ed(&cur_ed, ed_address); ed_address = ED_GET_NEXTED(&cur_ed); } } } // end run schedule } void bx_usb_ohci_c::process_ed(struct OHCI_ED *ed, const Bit32u ed_address) { struct OHCI_TD cur_td; if (!ED_GET_H(ed) && !ED_GET_K(ed) && (ED_GET_HEADP(ed) != ED_GET_TAILP(ed))) { // if the isochronous is enabled and ed is a isochronous, do TD if (ED_GET_F(ed)) { if (BX_OHCI_THIS hub.op_regs.HcControl.ie) { // load and do a isochronous TD list BX_DEBUG(("Found a valid ED that points to an isochronous TD")); // we currently ignore ISO TD's } } else { BX_DEBUG(("Found a valid ED that points to an control/bulk/int TD")); while (ED_GET_HEADP(ed) != ED_GET_TAILP(ed)) { DEV_MEM_READ_PHYSICAL(ED_GET_HEADP(ed), 4, (Bit8u*) &cur_td.dword0); DEV_MEM_READ_PHYSICAL(ED_GET_HEADP(ed) + 4, 4, (Bit8u*) &cur_td.dword1); DEV_MEM_READ_PHYSICAL(ED_GET_HEADP(ed) + 8, 4, (Bit8u*) &cur_td.dword2); DEV_MEM_READ_PHYSICAL(ED_GET_HEADP(ed) + 12, 4, (Bit8u*) &cur_td.dword3); BX_DEBUG(("Head: 0x%08X Tail: 0x%08X Next: 0x%08X", ED_GET_HEADP(ed), ED_GET_TAILP(ed), TD_GET_NEXTTD(&cur_td))); if (process_td(&cur_td, ed)) { const Bit32u temp = ED_GET_HEADP(ed); if (TD_GET_CC(&cur_td) < NotAccessed) { ED_SET_HEADP(ed, TD_GET_NEXTTD(&cur_td)); TD_SET_NEXTTD(&cur_td, BX_OHCI_THIS hub.op_regs.HcDoneHead); BX_OHCI_THIS hub.op_regs.HcDoneHead = temp; if (TD_GET_DI(&cur_td) < BX_OHCI_THIS hub.ohci_done_count) BX_OHCI_THIS hub.ohci_done_count = TD_GET_DI(&cur_td); } DEV_MEM_WRITE_PHYSICAL(temp, 4, (Bit8u*) &cur_td.dword0); DEV_MEM_WRITE_PHYSICAL(temp + 4, 4, (Bit8u*) &cur_td.dword1); DEV_MEM_WRITE_PHYSICAL(temp + 8, 4, (Bit8u*) &cur_td.dword2); } else break; } } DEV_MEM_WRITE_PHYSICAL(ed_address + 8, 4, (Bit8u*) &ed->dword2); } } bx_bool bx_usb_ohci_c::process_td(struct OHCI_TD *td, struct OHCI_ED *ed) { unsigned pid = 0, len = 0, len1, len2; int r, ret = 0; char buf_str[1025], temp_str[17]; // The td->cc field should be 111x if it hasn't been processed yet. if (TD_GET_CC(td) < NotAccessed) { BX_ERROR(("Found TD with CC value not 111x")); return 0; } if (ED_GET_D(ed) == 1) pid = USB_TOKEN_OUT; else if (ED_GET_D(ed) == 2) pid = USB_TOKEN_IN; else { if (TD_GET_DP(td) == 0) pid = USB_TOKEN_SETUP; else if (TD_GET_DP(td) == 1) pid = USB_TOKEN_OUT; else if (TD_GET_DP(td) == 2) pid = USB_TOKEN_IN; } // calculate the length of the packet if (TD_GET_CBP(td) && TD_GET_BE(td)) { if ((TD_GET_CBP(td) & 0xFFFFF000) != (TD_GET_BE(td) & 0xFFFFF000)) len = (TD_GET_BE(td) & 0xFFF) + 0x1001 - (TD_GET_CBP(td) & 0xFFF); else { len = (TD_GET_BE(td) - TD_GET_CBP(td)) + 1; if (len < 0) len = 0x1001 + len; } } else len = 0; BX_OHCI_THIS usb_packet.pid = pid; BX_OHCI_THIS usb_packet.devaddr = ED_GET_FA(ed); BX_OHCI_THIS usb_packet.devep = ED_GET_EN(ed); BX_OHCI_THIS usb_packet.data = BX_OHCI_THIS device_buffer; switch (pid) { case USB_TOKEN_SETUP: case USB_TOKEN_OUT: BX_OHCI_THIS usb_packet.len = (len <= ED_GET_MPS(ed)) ? len : ED_GET_MPS(ed); break; case USB_TOKEN_IN: BX_OHCI_THIS usb_packet.len = len; break; } BX_DEBUG((" pid = %s addr = %i endpnt = %i len = %i mps = %i (td->cbp = 0x%08X, td->be = 0x%08X)", (pid == USB_TOKEN_IN)? "IN" : (pid == USB_TOKEN_OUT) ? "OUT" : (pid == USB_TOKEN_SETUP) ? "SETUP" : "UNKNOWN", ED_GET_FA(ed), ED_GET_EN(ed), len, ED_GET_MPS(ed), TD_GET_CBP(td), TD_GET_BE(td))); BX_DEBUG((" td->t = %i ed->c = %i td->di = %i td->r = %i", TD_GET_T(td), ED_GET_C(ed), TD_GET_DI(td), TD_GET_R(td))); /* set status bar conditions for device */ if ((len > 0) && (BX_OHCI_THIS hub.statusbar_id >= 0)) { if (!BX_OHCI_THIS hub.iolight_counter) { if (pid == USB_TOKEN_OUT) bx_gui->statusbar_setitem(BX_OHCI_THIS hub.statusbar_id, 1, 1); // write else bx_gui->statusbar_setitem(BX_OHCI_THIS hub.statusbar_id, 1); // read } BX_OHCI_THIS hub.iolight_counter = 5; bx_pc_system.activate_timer(BX_OHCI_THIS hub.iolight_timer_index, 5000, 0); } switch (pid) { case USB_TOKEN_SETUP: if (len > 0) DEV_MEM_READ_PHYSICAL_BLOCK(TD_GET_CBP(td), len, device_buffer); // TODO: This is a hack. dev->handle_packet() should return the amount of bytes // it received, not the amount it anticipates on receiving/sending in the next packet. if ((ret = BX_OHCI_THIS broadcast_packet(&BX_OHCI_THIS usb_packet)) >= 0) ret = 8; break; case USB_TOKEN_OUT: if (len > 0) DEV_MEM_READ_PHYSICAL_BLOCK(TD_GET_CBP(td), len, device_buffer); ret = BX_OHCI_THIS broadcast_packet(&BX_OHCI_THIS usb_packet); break; case USB_TOKEN_IN: ret = BX_OHCI_THIS broadcast_packet(&BX_OHCI_THIS usb_packet); if (ret > 0) { if (((TD_GET_CBP(td) & 0xfff) + ret) > 0x1000) { len1 = 0x1000 - (TD_GET_CBP(td) & 0xfff); len2 = ret - len1; DEV_MEM_WRITE_PHYSICAL_BLOCK(TD_GET_CBP(td), len1, device_buffer); DEV_MEM_WRITE_PHYSICAL_BLOCK((TD_GET_BE(td) & ~0xfff), len2, device_buffer+len1); } else { DEV_MEM_WRITE_PHYSICAL_BLOCK(TD_GET_CBP(td), ret, device_buffer); } } else ret = 0; break; default: TD_SET_CC(td, UnexpectedPID); TD_SET_EC(td, 3); return 1; } // print the buffer used, to the log file if (ret > 0) { BX_DEBUG(("buffer dump (%i bytes)", ret)); buf_str[0] = 0; for (r=0; r 0) BX_DEBUG(("%s", buf_str)); } if ((ret == (int)len) || ((pid == USB_TOKEN_IN) && (ret >= 0) && TD_GET_R(td)) || ((pid == USB_TOKEN_OUT) && (ret >= 0) && (ret <= (int) ED_GET_MPS(ed)))) { if (ret == (int)len) TD_SET_CBP(td, 0); else { if (((TD_GET_CBP(td) & 0xfff) + ret) >= 0x1000) { TD_SET_CBP(td, (TD_GET_CBP(td) + ret) & 0x0FFF); TD_SET_CBP(td, TD_GET_CBP(td) | (TD_GET_BE(td) & ~0x0FFF)); } else { TD_SET_CBP(td, TD_GET_CBP(td) + ret); } } if (TD_GET_T(td) & 2) { TD_SET_T(td, TD_GET_T(td) ^ 1); ED_SET_C(ed, (TD_GET_T(td) & 1)); } else ED_SET_C(ed, (ED_GET_C(ed) ^ 1)); if ((pid != USB_TOKEN_OUT) || (ret == (int)len)) { TD_SET_CC(td, NoError); TD_SET_EC(td, 0); } } else { if (ret >= 0) TD_SET_CC(td, DataUnderrun); else { switch (ret) { case USB_RET_NODEV: // (-1) TD_SET_CC(td, DeviceNotResponding); break; case USB_RET_NAK: // (-2) TD_SET_CC(td, Stall); break; case USB_RET_STALL: // (-3) TD_SET_CC(td, Stall); break; case USB_RET_BABBLE: // (-4) TD_SET_CC(td, BufferOverrun); break; case USB_RET_ASYNC: // (-5) TD_SET_CC(td, BufferOverrun); break; default: BX_ERROR(("Unknown error returned: %i", ret)); break; } } TD_SET_EC(td, 3); ED_SET_H(ed, 1); } BX_DEBUG((" td->cbp = 0x%08X ret = %i len = %i td->cc = %i td->ec = %i ed->h = %i", TD_GET_CBP(td), ret, len, TD_GET_CC(td), TD_GET_EC(td), ED_GET_H(ed))); BX_DEBUG((" td->t = %i ed->c = %i", TD_GET_T(td), ED_GET_C(ed))); return 1; } int bx_usb_ohci_c::broadcast_packet(USBPacket *p) { int i, ret; ret = USB_RET_NODEV; for (i = 0; i < BX_N_USB_OHCI_PORTS && ret == USB_RET_NODEV; i++) { if ((BX_OHCI_THIS hub.usb_port[i].device != NULL) && (BX_OHCI_THIS hub.usb_port[i].HcRhPortStatus.ccs)) { ret = BX_OHCI_THIS hub.usb_port[i].device->handle_packet(p); } } return ret; } void bx_usb_ohci_c::iolight_timer_handler(void *this_ptr) { bx_usb_ohci_c *class_ptr = (bx_usb_ohci_c *) this_ptr; class_ptr->iolight_timer(); } void bx_usb_ohci_c::iolight_timer() { if (BX_OHCI_THIS hub.iolight_counter > 0) { if (--BX_OHCI_THIS hub.iolight_counter) bx_pc_system.activate_timer(BX_OHCI_THIS hub.iolight_timer_index, 5000, 0); else bx_gui->statusbar_setitem(BX_OHCI_THIS hub.statusbar_id, 0); } } void bx_usb_ohci_c::runtime_config_handler(void *this_ptr) { bx_usb_ohci_c *class_ptr = (bx_usb_ohci_c *) this_ptr; class_ptr->runtime_config(); } void bx_usb_ohci_c::runtime_config(void) { int i; char pname[6]; for (i = 0; i < BX_N_USB_OHCI_PORTS; i++) { // device change support if ((BX_OHCI_THIS hub.device_change & (1 << i)) != 0) { BX_INFO(("USB port #%d: device connect", i+1)); sprintf(pname, "port%d", i + 1); init_device(i, (bx_list_c*)SIM->get_param(pname, SIM->get_param(BXPN_USB_OHCI))); BX_OHCI_THIS hub.device_change &= ~(1 << i); } // forward to connected device if (BX_OHCI_THIS hub.usb_port[i].device != NULL) { BX_OHCI_THIS hub.usb_port[i].device->runtime_config(); } } } // pci configuration space read callback handler Bit32u bx_usb_ohci_c::pci_read_handler(Bit8u address, unsigned io_len) { Bit32u value = 0; for (unsigned i=0; i= 0x14) && (address <= 0x34))) return; for (unsigned i=0; i> (i*8)) & 0xFF; oldval = BX_OHCI_THIS pci_conf[address+i]; switch (address+i) { case 0x04: value8 &= 0x06; // (bit 0 is read only for this card) (we don't allow port IO) BX_OHCI_THIS pci_conf[address+i] = value8; break; case 0x3d: // case 0x3e: // case 0x3f: // case 0x05: // disallowing write to command hi-byte case 0x06: // disallowing write to status lo-byte (is that expected?) break; case 0x3c: if (value8 != oldval) { BX_INFO(("new irq line = %d", value8)); BX_OHCI_THIS pci_conf[address+i] = value8; } break; case 0x10: // low 12 bits of BAR are R/O value8 = 0x00; case 0x11: // low 12 bits of BAR are R/O value8 &= 0xF0; case 0x12: case 0x13: baseaddr_change |= (value8 != oldval); default: BX_OHCI_THIS pci_conf[address+i] = value8; } } if (baseaddr_change) { if (DEV_pci_set_base_mem(BX_OHCI_THIS_PTR, read_handler, write_handler, &BX_OHCI_THIS hub.base_addr, &BX_OHCI_THIS pci_conf[0x10], 4096)) { BX_INFO(("new base address: 0x%04x", BX_OHCI_THIS hub.base_addr)); } } if (io_len == 1) BX_DEBUG(("write PCI register 0x%02x value 0x%02x", address, value)); else if (io_len == 2) BX_DEBUG(("write PCI register 0x%02x value 0x%04x", address, value)); else if (io_len == 4) BX_DEBUG(("write PCI register 0x%02x value 0x%08x", address, value)); } void bx_usb_ohci_c::usb_set_connect_status(Bit8u port, int type, bx_bool connected) { const bx_bool ccs_org = BX_OHCI_THIS hub.usb_port[port].HcRhPortStatus.ccs; const bx_bool pes_org = BX_OHCI_THIS hub.usb_port[port].HcRhPortStatus.pes; usb_device_c *device = BX_OHCI_THIS hub.usb_port[port].device; if (device != NULL) { if (device->get_type() == type) { if (connected) { BX_OHCI_THIS hub.usb_port[port].HcRhPortStatus.lsda = (device->get_speed() == USB_SPEED_LOW); BX_OHCI_THIS hub.usb_port[port].HcRhPortStatus.ccs = 1; if (!device->get_connected()) { if (!device->init()) { usb_set_connect_status(port, type, 0); BX_ERROR(("port #%d: connect failed", port+1)); } else { BX_INFO(("port #%d: connect: %s", port+1, device->get_info())); } } } else { // not connected BX_OHCI_THIS hub.usb_port[port].HcRhPortStatus.ccs = 0; BX_OHCI_THIS hub.usb_port[port].HcRhPortStatus.pes = 0; BX_OHCI_THIS hub.usb_port[port].HcRhPortStatus.lsda = 0; remove_device(port); } } BX_OHCI_THIS hub.usb_port[port].HcRhPortStatus.csc |= (ccs_org != BX_OHCI_THIS hub.usb_port[port].HcRhPortStatus.ccs); BX_OHCI_THIS hub.usb_port[port].HcRhPortStatus.pesc |= (pes_org != BX_OHCI_THIS hub.usb_port[port].HcRhPortStatus.pes); // we changed the value of the port, so show it set_interrupt(OHCI_INTR_RHSC); } } // USB runtime parameter handler const char *bx_usb_ohci_c::usb_param_handler(bx_param_string_c *param, int set, const char *oldval, const char *val, int maxlen) { usbdev_type type = USB_DEV_TYPE_NONE; int portnum; if (set) { portnum = atoi((param->get_parent())->get_name()+4) - 1; bx_bool empty = ((strlen(val) == 0) || (!strcmp(val, "none"))); if ((portnum >= 0) && (portnum < BX_N_USB_OHCI_PORTS)) { if (empty && BX_OHCI_THIS hub.usb_port[portnum].HcRhPortStatus.ccs) { BX_INFO(("USB port #%d: device disconnect", portnum+1)); if (BX_OHCI_THIS hub.usb_port[portnum].device != NULL) { type = BX_OHCI_THIS hub.usb_port[portnum].device->get_type(); } usb_set_connect_status(portnum, type, 0); } else if (!empty && !BX_OHCI_THIS hub.usb_port[portnum].HcRhPortStatus.ccs) { BX_OHCI_THIS hub.device_change |= (1 << portnum); } } else { BX_PANIC(("usb_param_handler called with unexpected parameter '%s'", param->get_name())); } } return val; } #endif // BX_SUPPORT_PCI && BX_SUPPORT_USB_OHCI