/** Get address of registers and IRQ for given device. * * @param[in] dev Device asking for the addresses. * @param[out] mem_reg_address Base address of the memory range. * @param[out] mem_reg_size Size of the memory range. * @param[out] irq_no IRQ assigned to the device. * @return Error code. */ int get_my_registers(ddf_dev_t *dev, uintptr_t *mem_reg_address, size_t *mem_reg_size, int *irq_no) { assert(dev); async_sess_t *parent_sess = devman_parent_device_connect(EXCHANGE_SERIALIZE, ddf_dev_get_handle(dev), IPC_FLAG_BLOCKING); if (!parent_sess) return ENOMEM; hw_res_list_parsed_t hw_res; hw_res_list_parsed_init(&hw_res); const int ret = hw_res_get_list_parsed(parent_sess, &hw_res, 0); async_hangup(parent_sess); if (ret != EOK) { return ret; } /* We want one irq and one mem range. */ if (hw_res.irqs.count != 1 || hw_res.mem_ranges.count != 1) { hw_res_list_parsed_clean(&hw_res); return EINVAL; } if (mem_reg_address) *mem_reg_address = hw_res.mem_ranges.ranges[0].address; if (mem_reg_size) *mem_reg_size = hw_res.mem_ranges.ranges[0].size; if (irq_no) *irq_no = hw_res.irqs.irqs[0]; hw_res_list_parsed_clean(&hw_res); return EOK; }
/** Initialize a new ddf driver instance of i8042 driver * * @param[in] device DDF instance of the device to initialize. * * @return Error code. * */ static int i8042_dev_add(ddf_dev_t *device) { if (!device) return EINVAL; uintptr_t io_regs = 0; size_t io_size = 0; int kbd = 0; int mouse = 0; int ret = get_my_registers(device, &io_regs, &io_size, &kbd, &mouse); CHECK_RET_RETURN(ret, "Failed to get registers: %s.", str_error(ret)); ddf_msg(LVL_DEBUG, "I/O regs at %p (size %zuB), IRQ kbd %d, IRQ mouse %d.", (void *) io_regs, io_size, kbd, mouse); i8042_t *i8042 = ddf_dev_data_alloc(device, sizeof(i8042_t)); ret = (i8042 == NULL) ? ENOMEM : EOK; CHECK_RET_RETURN(ret, "Failed to allocate i8042 driver instance."); ret = i8042_init(i8042, (void *) io_regs, io_size, kbd, mouse, device); CHECK_RET_RETURN(ret, "Failed to initialize i8042 driver: %s.", str_error(ret)); ddf_msg(LVL_NOTE, "Controlling '%s' (%" PRIun ").", ddf_dev_get_name(device), ddf_dev_get_handle(device)); return EOK; }
int usb_device_create_ddf(ddf_dev_t *ddf_dev, const usb_endpoint_description_t **desc, const char **err) { assert(ddf_dev); assert(err); devman_handle_t h = 0; int iface_no = -1; async_sess_t *sess = devman_parent_device_connect( ddf_dev_get_handle(ddf_dev), IPC_FLAG_BLOCKING); if (sess == NULL) return ENOMEM; const int ret = usb_device_get_info(sess, &h, &iface_no); async_hangup(sess); if (ret != EOK) return ret; usb_device_t *usb_dev = ddf_dev_data_alloc(ddf_dev, sizeof(usb_device_t)); if (usb_dev == NULL) { *err = "DDF data alloc"; return ENOMEM; } return usb_device_init(usb_dev, ddf_dev, desc, err, h, iface_no); }
int sb_enable_interrupts(ddf_dev_t *device) { async_sess_t *parent_sess = devman_parent_device_connect( ddf_dev_get_handle(device), IPC_FLAG_BLOCKING); if (!parent_sess) return ENOMEM; bool enabled = hw_res_enable_interrupt(parent_sess); async_hangup(parent_sess); return enabled ? EOK : EIO; }
/** Call the PCI driver with a request to clear legacy support register * * @param[in] device Device asking to disable interrupts * @return Error code. */ static int disable_legacy(ddf_dev_t *device) { assert(device); async_sess_t *parent_sess = devman_parent_device_connect( ddf_dev_get_handle(device), IPC_FLAG_BLOCKING); if (!parent_sess) return ENOMEM; /* See UHCI design guide page 45 for these values. * Write all WC bits in USB legacy register */ const int rc = pci_config_space_write_16(parent_sess, 0xc0, 0xaf00); async_hangup(parent_sess); return rc; }
/** Initialize a new ddf driver instance * * @param[in] device DDF instance of the device to initialize. * @return Error code. */ static int mouse_add(ddf_dev_t *device) { if (!device) return EINVAL; #define CHECK_RET_RETURN(ret, message...) \ if (ret != EOK) { \ ddf_msg(LVL_ERROR, message); \ return ret; \ } else (void)0 ps2_mouse_t *mouse = ddf_dev_data_alloc(device, sizeof(ps2_mouse_t)); int ret = (mouse == NULL) ? ENOMEM : EOK; CHECK_RET_RETURN(ret, "Failed to allocate mouse driver instance."); ret = ps2_mouse_init(mouse, device); CHECK_RET_RETURN(ret, "Failed to initialize mouse driver: %s.", str_error(ret)); ddf_msg(LVL_NOTE, "Controlling '%s' (%" PRIun ").", ddf_dev_get_name(device), ddf_dev_get_handle(device)); return EOK; }
/** Initialize a new ddf driver instance of the driver * * @param[in] device DDF instance of the device to initialize. * * @return Error code. * */ static int at_kbd_add(ddf_dev_t *device) { int rc; if (!device) return EINVAL; at_kbd_t *kbd = ddf_dev_data_alloc(device, sizeof(at_kbd_t)); if (kbd == NULL) { ddf_msg(LVL_ERROR, "Failed to allocate AT_KBD driver instance."); return ENOMEM; } rc = at_kbd_init(kbd, device); if (rc != EOK) { ddf_msg(LVL_ERROR, "Failed to initialize AT_KBD driver: %s.", str_error(rc)); return rc; } ddf_msg(LVL_NOTE, "Controlling '%s' (%" PRIun ").", ddf_dev_get_name(device), ddf_dev_get_handle(device)); return EOK; }
static int vhc_dev_add(ddf_dev_t *dev) { static int vhc_count = 0; int rc; if (vhc_count > 0) { return ELIMIT; } vhc_data_t *data = ddf_dev_data_alloc(dev, sizeof(vhc_data_t)); if (data == NULL) { usb_log_fatal("Failed to allocate memory.\n"); return ENOMEM; } data->magic = 0xDEADBEEF; rc = usb_endpoint_manager_init(&data->ep_manager, (size_t) -1, bandwidth_count_usb11); if (rc != EOK) { usb_log_fatal("Failed to initialize endpoint manager.\n"); free(data); return rc; } usb_device_manager_init(&data->dev_manager, USB_SPEED_MAX); ddf_fun_t *hc = ddf_fun_create(dev, fun_exposed, "hc"); if (hc == NULL) { usb_log_fatal("Failed to create device function.\n"); free(data); return ENOMEM; } ddf_fun_set_ops(hc, &vhc_ops); list_initialize(&data->devices); fibril_mutex_initialize(&data->guard); data->hub = &virtual_hub_device; data->hc_fun = hc; rc = ddf_fun_bind(hc); if (rc != EOK) { usb_log_fatal("Failed to bind HC function: %s.\n", str_error(rc)); free(data); return rc; } rc = ddf_fun_add_to_category(hc, USB_HC_CATEGORY); if (rc != EOK) { usb_log_fatal("Failed to add function to HC class: %s.\n", str_error(rc)); free(data); return rc; } virtual_hub_device_init(hc); usb_log_info("Virtual USB host controller ready (dev %zu, hc %zu).\n", (size_t) ddf_dev_get_handle(dev), (size_t) ddf_fun_get_handle(hc)); rc = vhc_virtdev_plug_hub(data, data->hub, NULL); if (rc != EOK) { usb_log_fatal("Failed to plug root hub: %s.\n", str_error(rc)); free(data); return rc; } return EOK; }
/** Initialize new SB16 driver instance. * * @param[in] device DDF instance of the device to initialize. * @return Error code. */ static int sb_add_device(ddf_dev_t *device) { bool handler_regd = false; const size_t irq_cmd_count = sb16_irq_code_size(); irq_cmd_t irq_cmds[irq_cmd_count]; irq_pio_range_t irq_ranges[1]; sb16_t *soft_state = ddf_dev_data_alloc(device, sizeof(sb16_t)); int rc = soft_state ? EOK : ENOMEM; if (rc != EOK) { ddf_log_error("Failed to allocate sb16 structure."); goto error; } addr_range_t sb_regs; addr_range_t *p_sb_regs = &sb_regs; addr_range_t mpu_regs; addr_range_t *p_mpu_regs = &mpu_regs; int irq = 0, dma8 = 0, dma16 = 0; rc = sb_get_res(device, &p_sb_regs, &p_mpu_regs, &irq, &dma8, &dma16); if (rc != EOK) { ddf_log_error("Failed to get resources: %s.", str_error(rc)); goto error; } sb16_irq_code(p_sb_regs, dma8, dma16, irq_cmds, irq_ranges); irq_code_t irq_code = { .cmdcount = irq_cmd_count, .cmds = irq_cmds, .rangecount = 1, .ranges = irq_ranges }; rc = register_interrupt_handler(device, irq, irq_handler, &irq_code); if (rc != EOK) { ddf_log_error("Failed to register irq handler: %s.", str_error(rc)); goto error; } handler_regd = true; rc = sb_enable_interrupts(device); if (rc != EOK) { ddf_log_error("Failed to enable interrupts: %s.", str_error(rc)); goto error; } rc = sb16_init_sb16(soft_state, p_sb_regs, device, dma8, dma16); if (rc != EOK) { ddf_log_error("Failed to init sb16 driver: %s.", str_error(rc)); goto error; } rc = sb16_init_mpu(soft_state, p_mpu_regs); if (rc == EOK) { ddf_fun_t *mpu_fun = ddf_fun_create(device, fun_exposed, "midi"); if (mpu_fun) { rc = ddf_fun_bind(mpu_fun); if (rc != EOK) ddf_log_error( "Failed to bind midi function: %s.", str_error(rc)); } else { ddf_log_error("Failed to create midi function."); } } else { ddf_log_warning("Failed to init mpu driver: %s.", str_error(rc)); } /* MPU state does not matter */ return EOK; error: if (handler_regd) unregister_interrupt_handler(device, irq); return rc; } static int sb_get_res(ddf_dev_t *device, addr_range_t **pp_sb_regs, addr_range_t **pp_mpu_regs, int *irq, int *dma8, int *dma16) { assert(device); async_sess_t *parent_sess = devman_parent_device_connect( ddf_dev_get_handle(device), IPC_FLAG_BLOCKING); if (!parent_sess) return ENOMEM; hw_res_list_parsed_t hw_res; hw_res_list_parsed_init(&hw_res); const int ret = hw_res_get_list_parsed(parent_sess, &hw_res, 0); async_hangup(parent_sess); if (ret != EOK) { return ret; } /* 1x IRQ, 1-2x DMA(8,16), 1-2x IO (MPU is separate). */ if (hw_res.irqs.count != 1 || (hw_res.io_ranges.count != 1 && hw_res.io_ranges.count != 2) || (hw_res.dma_channels.count != 1 && hw_res.dma_channels.count != 2)) { hw_res_list_parsed_clean(&hw_res); return EINVAL; } if (irq) *irq = hw_res.irqs.irqs[0]; if (dma8) { if (hw_res.dma_channels.channels[0] < 4) { *dma8 = hw_res.dma_channels.channels[0]; } else { if (hw_res.dma_channels.count == 2 && hw_res.dma_channels.channels[1] < 4) { *dma8 = hw_res.dma_channels.channels[1]; } } } if (dma16) { if (hw_res.dma_channels.channels[0] > 4) { *dma16 = hw_res.dma_channels.channels[0]; } else { if (hw_res.dma_channels.count == 2 && hw_res.dma_channels.channels[1] > 4) { *dma16 = hw_res.dma_channels.channels[1]; } } } if (hw_res.io_ranges.count == 1) { if (pp_sb_regs && *pp_sb_regs) **pp_sb_regs = hw_res.io_ranges.ranges[0]; if (pp_mpu_regs) *pp_mpu_regs = NULL; } else { const int sb = (hw_res.io_ranges.ranges[0].size >= sizeof(sb16_regs_t)) ? 0 : 1; const int mpu = 1 - sb; if (pp_sb_regs && *pp_sb_regs) **pp_sb_regs = hw_res.io_ranges.ranges[sb]; if (pp_mpu_regs && *pp_mpu_regs) **pp_mpu_regs = hw_res.io_ranges.ranges[mpu]; } return EOK; }