/****************************************************************************** * cxacru.c - driver for USB ADSL modems based on * Conexant AccessRunner chipset * * Copyright (C) 2004 David Woodhouse, Duncan Sands, Roman Kagan * Copyright (C) 2005 Duncan Sands, Roman Kagan (rkagan % mail ! ru) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * * This program 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 General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., 59 * Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ******************************************************************************/ /* * Credit is due for Josep Comas, who created the original patch to speedtch.c * to support the different padding used by the AccessRunner (now generalized * into usbatm), and the userspace firmware loading utility. */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/timer.h> #include <linux/errno.h> #include <linux/slab.h> #include <linux/init.h> #include <linux/device.h> /* FIXME: linux/firmware.h should include it itself */ #include <linux/firmware.h> #include <linux/mutex.h> #include "usbatm.h" #define DRIVER_AUTHOR "Roman Kagan, David Woodhouse, Duncan Sands" #define DRIVER_VERSION "0.2" #define DRIVER_DESC "Conexant AccessRunner ADSL USB modem driver" static const char cxacru_driver_name[] = "cxacru"; #define CXACRU_EP_CMD 0x01 /* Bulk/interrupt in/out */ #define CXACRU_EP_DATA 0x02 /* Bulk in/out */ #define CMD_PACKET_SIZE 64 /* Should be maxpacket(ep)? */ /* Addresses */ #define PLLFCLK_ADDR 0x00350068 #define PLLBCLK_ADDR 0x0035006c #define SDRAMEN_ADDR 0x00350010 #define FW_ADDR 0x00801000 #define BR_ADDR 0x00180600 #define SIG_ADDR 0x00180500 #define BR_STACK_ADDR 0x00187f10 /* Values */ #define SDRAM_ENA 0x1 #define CMD_TIMEOUT 2000 /* msecs */ #define POLL_INTERVAL 5000 /* msecs */ /* commands for interaction with the modem through the control channel before * firmware is loaded */ enum cxacru_fw_request { FW_CMD_ERR, FW_GET_VER, FW_READ_MEM, FW_WRITE_MEM, FW_RMW_MEM, FW_CHECKSUM_MEM, FW_GOTO_MEM, }; /* commands for interaction with the modem through the control channel once * firmware is loaded */ enum cxacru_cm_request { CM_REQUEST_UNDEFINED = 0x80, CM_REQUEST_TEST, CM_REQUEST_CHIP_GET_MAC_ADDRESS, CM_REQUEST_CHIP_GET_DP_VERSIONS, CM_REQUEST_CHIP_ADSL_LINE_START, CM_REQUEST_CHIP_ADSL_LINE_STOP, CM_REQUEST_CHIP_ADSL_LINE_GET_STATUS, CM_REQUEST_CHIP_ADSL_LINE_GET_SPEED, CM_REQUEST_CARD_INFO_GET, CM_REQUEST_CARD_DATA_GET, CM_REQUEST_CARD_DATA_SET, CM_REQUEST_COMMAND_HW_IO, CM_REQUEST_INTERFACE_HW_IO, CM_REQUEST_CARD_SERIAL_DATA_PATH_GET, CM_REQUEST_CARD_SERIAL_DATA_PATH_SET, CM_REQUEST_CARD_CONTROLLER_VERSION_GET, CM_REQUEST_CARD_GET_STATUS, CM_REQUEST_CARD_GET_MAC_ADDRESS, CM_REQUEST_CARD_GET_DATA_LINK_STATUS, CM_REQUEST_MAX, }; /* reply codes to the commands above */ enum cxacru_cm_status { CM_STATUS_UNDEFINED, CM_STATUS_SUCCESS, CM_STATUS_ERROR, CM_STATUS_UNSUPPORTED, CM_STATUS_UNIMPLEMENTED, CM_STATUS_PARAMETER_ERROR, CM_STATUS_DBG_LOOPBACK, CM_STATUS_MAX, }; /* indices into CARD_INFO_GET return array */ enum cxacru_info_idx { CXINF_DOWNSTREAM_RATE, CXINF_UPSTREAM_RATE, CXINF_LINK_STATUS, CXINF_LINE_STATUS, CXINF_MAC_ADDRESS_HIGH, CXINF_MAC_ADDRESS_LOW, CXINF_UPSTREAM_SNR_MARGIN, CXINF_DOWNSTREAM_SNR_MARGIN, CXINF_UPSTREAM_ATTENUATION, CXINF_DOWNSTREAM_ATTENUATION, CXINF_TRANSMITTER_POWER, CXINF_UPSTREAM_BITS_PER_FRAME, CXINF_DOWNSTREAM_BITS_PER_FRAME, CXINF_STARTUP_ATTEMPTS, CXINF_UPSTREAM_CRC_ERRORS, CXINF_DOWNSTREAM_CRC_ERRORS, CXINF_UPSTREAM_FEC_ERRORS, CXINF_DOWNSTREAM_FEC_ERRORS, CXINF_UPSTREAM_HEC_ERRORS, CXINF_DOWNSTREAM_HEC_ERRORS, CXINF_LINE_STARTABLE, CXINF_MODULATION, CXINF_ADSL_HEADEND, CXINF_ADSL_HEADEND_ENVIRONMENT, CXINF_CONTROLLER_VERSION, /* dunno what the missing two mean */ CXINF_MAX = 0x1c, }; struct cxacru_modem_type { u32 pll_f_clk; u32 pll_b_clk; int boot_rom_patch; }; struct cxacru_data { struct usbatm_data *usbatm; const struct cxacru_modem_type *modem_type; int line_status; struct delayed_work poll_work; /* contol handles */ struct mutex cm_serialize; u8 *rcv_buf; u8 *snd_buf; struct urb *rcv_urb; struct urb *snd_urb; struct completion rcv_done; struct completion snd_done; }; /* the following three functions are stolen from drivers/usb/core/message.c */ static void cxacru_blocking_completion(struct urb *urb) { complete((struct completion *)urb->context); } static void cxacru_timeout_kill(unsigned long data) { usb_unlink_urb((struct urb *) data); } static int cxacru_start_wait_urb(struct urb *urb, struct completion *done, int* actual_length) { struct timer_list timer; int status; init_timer(&timer); timer.expires = jiffies + msecs_to_jiffies(CMD_TIMEOUT); timer.data = (unsigned long) urb; timer.function = cxacru_timeout_kill; add_timer(&timer); wait_for_completion(done); status = urb->status; if (status == -ECONNRESET) status = -ETIMEDOUT; del_timer_sync(&timer); if (actual_length) *actual_length = urb->actual_length; return status; } static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm, u8 *wdata, int wsize, u8 *rdata, int rsize) { int ret, actlen; int offb, offd; const int stride = CMD_PACKET_SIZE - 4; u8 *wbuf = instance->snd_buf; u8 *rbuf = instance->rcv_buf; int wbuflen = ((wsize - 1) / stride + 1) * CMD_PACKET_SIZE; int rbuflen = ((rsize - 1) / stride + 1) * CMD_PACKET_SIZE; if (wbuflen > PAGE_SIZE || rbuflen > PAGE_SIZE) { dbg("too big transfer requested"); ret = -ENOMEM; goto fail; } mutex_lock(&instance->cm_serialize); /* submit reading urb before the writing one */ init_completion(&instance->rcv_done); ret = usb_submit_urb(instance->rcv_urb, GFP_KERNEL); if (ret < 0) { dbg("submitting read urb for cm %#x failed", cm); ret = ret; goto fail; } memset(wbuf, 0, wbuflen); /* handle wsize == 0 */ wbuf[0] = cm; for (offb = offd = 0; offd < wsize; offd += stride, offb += CMD_PACKET_SIZE) { wbuf[offb] = cm; memcpy(wbuf + offb + 4, wdata + offd, min_t(int, stride, wsize - offd)); } instance->snd_urb->transfer_buffer_length = wbuflen; init_completion(&instance->snd_done); ret = usb_submit_urb(instance->snd_urb, GFP_KERNEL); if (ret < 0) { dbg("submitting write urb for cm %#x failed", cm); ret = ret; goto fail; } ret = cxacru_start_wait_urb(instance->snd_urb, &instance->snd_done, NULL); if (ret < 0) { dbg("sending cm %#x failed", cm); ret = ret; goto fail; } ret = cxacru_start_wait_urb(instance->rcv_urb, &instance->rcv_done, &actlen); if (ret < 0) { dbg("receiving cm %#x failed", cm); ret = ret; goto fail; } if (actlen % CMD_PACKET_SIZE || !actlen) { dbg("response is not a positive multiple of %d: %#x", CMD_PACKET_SIZE, actlen); ret = -EIO; goto fail; } /* check the return status and copy the data to the output buffer, if needed */ for (offb = offd = 0; offd < rsize && offb < actlen; offb += CMD_PACKET_SIZE) { if (rbuf[offb] != cm) { dbg("wrong cm %#x in response", rbuf[offb]); ret = -EIO; goto fail; } if (rbuf[offb + 1] != CM_STATUS_SUCCESS) { dbg("response failed: %#x", rbuf[offb + 1]); ret = -EIO; goto fail; } if (offd >= rsize) break; memcpy(rdata + offd, rbuf + offb + 4, min_t(int, stride, rsize - offd)); offd += stride; } ret = offd; dbg("cm %#x", cm); fail: mutex_unlock(&instance->cm_serialize); return ret; } static int cxacru_cm_get_array(struct cxacru_data *instance, enum cxacru_cm_request cm, u32 *data, int size) { int ret, len; u32 *buf; int offb, offd; const int stride = CMD_PACKET_SIZE / (4 * 2) - 1; int buflen = ((size - 1) / stride + 1 + size * 2) * 4; buf = kmalloc(buflen, GFP_KERNEL); if (!buf) return -ENOMEM; ret = cxacru_cm(instance, cm, NULL, 0, (u8 *) buf, buflen); if (ret < 0) goto cleanup; /* len > 0 && len % 4 == 0 guaranteed by cxacru_cm() */ len = ret / 4; for (offb = 0; offb < len; ) { int l = le32_to_cpu(buf[offb++]); if (l > stride || l > (len - offb) / 2) { dbg("wrong data length %#x in response", l); ret = -EIO; goto cleanup; } while (l--) { offd = le32_to_cpu(buf[offb++]); if (offd >= size) { dbg("wrong index %#x in response", offd); ret = -EIO; goto cleanup; } data[offd] = le32_to_cpu(buf[offb++]); } } ret = 0; cleanup: kfree(buf); return ret; } static int cxacru_card_status(struct cxacru_data *instance) { int ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0); if (ret < 0) { /* firmware not loaded */ dbg("cxacru_adsl_start: CARD_GET_STATUS returned %d", ret); return ret; } return 0; } static void cxacru_poll_status(struct work_struct *work); static int cxacru_atm_start(struct usbatm_data *usbatm_instance, struct atm_dev *atm_dev) { struct cxacru_data *instance = usbatm_instance->driver_data; /* struct atm_dev *atm_dev = usbatm_instance->atm_dev; */ int ret; dbg("cxacru_atm_start"); /* Read MAC address */ ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_MAC_ADDRESS, NULL, 0, atm_dev->esi, sizeof(atm_dev->esi)); if (ret < 0) { atm_err(usbatm_instance, "cxacru_atm_start: CARD_GET_MAC_ADDRESS returned %d\n", ret); return ret; } /* start ADSL */ ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0); if (ret < 0) { atm_err(usbatm_instance, "cxacru_atm_start: CHIP_ADSL_LINE_START returned %d\n", ret); return ret; } /* Start status polling */ cxacru_poll_status(&instance->poll_work.work); return 0; } static void cxacru_poll_status(struct work_struct *work) { struct cxacru_data *instance = container_of(work, struct cxacru_data, poll_work.work); u32 buf[CXINF_MAX] = {}; struct usbatm_data *usbatm = instance->usbatm; struct atm_dev *atm_dev = usbatm->atm_dev; int ret; ret = cxacru_cm_get_array(instance, CM_REQUEST_CARD_INFO_GET, buf, CXINF_MAX); if (ret < 0) { atm_warn(usbatm, "poll status: error %d\n", ret); goto reschedule; } if (instance->line_status == buf[CXINF_LINE_STATUS]) goto reschedule; instance->line_status = buf[CXINF_LINE_STATUS]; switch (instance->line_status) { case 0: atm_dev->signal = ATM_PHY_SIG_LOST; atm_info(usbatm, "ADSL line: down\n"); break; case 1: atm_dev->signal = ATM_PHY_SIG_LOST; atm_info(usbatm, "ADSL line: attempting to activate\n"); break; case 2: atm_dev->signal = ATM_PHY_SIG_LOST; atm_info(usbatm, "ADSL line: training\n"); break; case 3: atm_dev->signal = ATM_PHY_SIG_LOST; atm_info(usbatm, "ADSL line: channel analysis\n"); break; case 4: atm_dev->signal = ATM_PHY_SIG_LOST; atm_info(usbatm, "ADSL line: exchange\n"); break; case 5: atm_dev->link_rate = buf[CXINF_DOWNSTREAM_RATE] * 1000 / 424; atm_dev->signal = ATM_PHY_SIG_FOUND; atm_info(usbatm, "ADSL line: up (%d kb/s down | %d kb/s up)\n", buf[CXINF_DOWNSTREAM_RATE], buf[CXINF_UPSTREAM_RATE]); break; case 6: atm_dev->signal = ATM_PHY_SIG_LOST; atm_info(usbatm, "ADSL line: waiting\n"); break; case 7: atm_dev->signal = ATM_PHY_SIG_LOST; atm_info(usbatm, "ADSL line: initializing\n"); break; default: atm_dev->signal = ATM_PHY_SIG_UNKNOWN; atm_info(usbatm, "Unknown line state %02x\n", instance->line_status); break; } reschedule: schedule_delayed_work(&instance->poll_work, msecs_to_jiffies(POLL_INTERVAL)); } static int cxacru_fw(struct usb_device *usb_dev, enum cxacru_fw_request fw, u8 code1, u8 code2, u32 addr, u8 *data, int size) { int ret; u8 *buf; int offd, offb; const int stride = CMD_PACKET_SIZE - 8; buf = (u8 *) __get_free_page(GFP_KERNEL); if (!buf) return -ENOMEM; offb = offd = 0; do { int l = min_t(int, stride, size - offd); buf[offb++] = fw; buf[offb++] = l; buf[offb++] = code1; buf[offb++] = code2; *((u32 *) (buf + offb)) = cpu_to_le32(addr); offb += 4; addr += l; if(l) memcpy(buf + offb, data + offd, l); if (l < stride) memset(buf + offb + l, 0, stride - l); offb += stride; offd += stride; if ((offb >= PAGE_SIZE) || (offd >= size)) { ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD), buf, offb, NULL, CMD_TIMEOUT); if (ret < 0) { dbg("sending fw %#x failed", fw); goto cleanup; } offb = 0; } } while(offd < size); dbg("sent fw %#x", fw); ret = 0; cleanup: free_page((unsigned long) buf); return ret; } static void cxacru_upload_firmware(struct cxacru_data *instance, const struct firmware *fw, const struct firmware *bp, const struct firmware *cf) { int ret; int off; struct usbatm_data *usbatm = instance->usbatm; struct usb_device *usb_dev = usbatm->usb_dev; u16 signature[] = { usb_dev->descriptor.idVendor, usb_dev->descriptor.idProduct }; u32 val; dbg("cxacru_upload_firmware"); /* FirmwarePllFClkValue */ val = cpu_to_le32(instance->modem_type->pll_f_clk); ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLFCLK_ADDR, (u8 *) &val, 4); if (ret) { usb_err(usbatm, "FirmwarePllFClkValue failed: %d\n", ret); return; } /* FirmwarePllBClkValue */ val = cpu_to_le32(instance->modem_type->pll_b_clk); ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLBCLK_ADDR, (u8 *) &val, 4); if (ret) { usb_err(usbatm, "FirmwarePllBClkValue failed: %d\n", ret); return; } /* Enable SDRAM */ val = cpu_to_le32(SDRAM_ENA); ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SDRAMEN_ADDR, (u8 *) &val, 4); if (ret) { usb_err(usbatm, "Enable SDRAM failed: %d\n", ret); return; } /* Firmware */ ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, FW_ADDR, fw->data, fw->size); if (ret) { usb_err(usbatm, "Firmware upload failed: %d\n", ret); return; } /* Boot ROM patch */ if (instance->modem_type->boot_rom_patch) { ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_ADDR, bp->data, bp->size); if (ret) { usb_err(usbatm, "Boot ROM patching failed: %d\n", ret); return; } } /* Signature */ ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SIG_ADDR, (u8 *) signature, 4); if (ret) { usb_err(usbatm, "Signature storing failed: %d\n", ret); return; } if (instance->modem_type->boot_rom_patch) { val = cpu_to_le32(BR_ADDR); ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_STACK_ADDR, (u8 *) &val, 4); } else { ret = cxacru_fw(usb_dev, FW_GOTO_MEM, 0x0, 0x0, FW_ADDR, NULL, 0); } if (ret) { usb_err(usbatm, "Passing control to firmware failed: %d\n", ret); return; } /* Delay to allow firmware to start up. */ msleep_interruptible(1000); usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD)); usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_CMD)); usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_DATA)); usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_DATA)); ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0); if (ret < 0) { usb_err(usbatm, "modem failed to initialize: %d\n", ret); return; } /* Load config data (le32), doing one packet at a time */ if (cf) for (off = 0; off < cf->size / 4; ) { u32 buf[CMD_PACKET_SIZE / 4 - 1]; int i, len = min_t(int, cf->size / 4 - off, CMD_PACKET_SIZE / 4 / 2 - 1); buf[0] = cpu_to_le32(len); for (i = 0; i < len; i++, off++) { buf[i * 2 + 1] = cpu_to_le32(off); memcpy(buf + i * 2 + 2, cf->data + off * 4, 4); } ret = cxacru_cm(instance, CM_REQUEST_CARD_DATA_SET, (u8 *) buf, len, NULL, 0); if (ret < 0) { usb_err(usbatm, "load config data failed: %d\n", ret); return; } } msleep_interruptible(4000); } static int cxacru_find_firmware(struct cxacru_data *instance, char* phase, const struct firmware **fw_p) { struct usbatm_data *usbatm = instance->usbatm; struct device *dev = &usbatm->usb_intf->dev; char buf[16]; sprintf(buf, "cxacru-%s.bin", phase); dbg("cxacru_find_firmware: looking for %s", buf); if (request_firmware(fw_p, buf, dev)) { usb_dbg(usbatm, "no stage %s firmware found\n", phase); return -ENOENT; } usb_info(usbatm, "found firmware %s\n", buf); return 0; } static int cxacru_heavy_init(struct usbatm_data *usbatm_instance, struct usb_interface *usb_intf) { const struct firmware *fw, *bp, *cf; struct cxacru_data *instance = usbatm_instance->driver_data; int ret = cxacru_find_firmware(instance, "fw", &fw); if (ret) { usb_warn(usbatm_instance, "firmware (cxacru-fw.bin) unavailable (system misconfigured?)\n"); return ret; } if (instance->modem_type->boot_rom_patch) { ret = cxacru_find_firmware(instance, "bp", &bp); if (ret) { usb_warn(usbatm_instance, "boot ROM patch (cxacru-bp.bin) unavailable (system misconfigured?)\n"); release_firmware(fw); return ret; } } if (cxacru_find_firmware(instance, "cf", &cf)) /* optional */ cf = NULL; cxacru_upload_firmware(instance, fw, bp, cf); if (cf) release_firmware(cf); if (instance->modem_type->boot_rom_patch) release_firmware(bp); release_firmware(fw); ret = cxacru_card_status(instance); if (ret) dbg("modem initialisation failed"); else dbg("done setting up the modem"); return ret; } static int cxacru_bind(struct usbatm_data *usbatm_instance, struct usb_interface *intf, const struct usb_device_id *id) { struct cxacru_data *instance; struct usb_device *usb_dev = interface_to_usbdev(intf); int ret; /* instance init */ instance = kzalloc(sizeof(*instance), GFP_KERNEL); if (!instance) { dbg("cxacru_bind: no memory for instance data"); return -ENOMEM; } instance->usbatm = usbatm_instance; instance->modem_type = (struct cxacru_modem_type *) id->driver_info; instance->rcv_buf = (u8 *) __get_free_page(GFP_KERNEL); if (!instance->rcv_buf) { dbg("cxacru_bind: no memory for rcv_buf"); ret = -ENOMEM; goto fail; } instance->snd_buf = (u8 *) __get_free_page(GFP_KERNEL); if (!instance->snd_buf) { dbg("cxacru_bind: no memory for snd_buf"); ret = -ENOMEM; goto fail; } instance->rcv_urb = usb_alloc_urb(0, GFP_KERNEL); if (!instance->rcv_urb) { dbg("cxacru_bind: no memory for rcv_urb"); ret = -ENOMEM; goto fail; } instance->snd_urb = usb_alloc_urb(0, GFP_KERNEL); if (!instance->snd_urb) { dbg("cxacru_bind: no memory for snd_urb"); ret = -ENOMEM; goto fail; } usb_fill_int_urb(instance->rcv_urb, usb_dev, usb_rcvintpipe(usb_dev, CXACRU_EP_CMD), instance->rcv_buf, PAGE_SIZE, cxacru_blocking_completion, &instance->rcv_done, 1); usb_fill_int_urb(instance->snd_urb, usb_dev, usb_sndintpipe(usb_dev, CXACRU_EP_CMD), instance->snd_buf, PAGE_SIZE, cxacru_blocking_completion, &instance->snd_done, 4); mutex_init(&instance->cm_serialize); INIT_DELAYED_WORK(&instance->poll_work, cxacru_poll_status); usbatm_instance->driver_data = instance; usbatm_instance->flags = (cxacru_card_status(instance) ? 0 : UDSL_SKIP_HEAVY_INIT); return 0; fail: free_page((unsigned long) instance->snd_buf); free_page((unsigned long) instance->rcv_buf); usb_free_urb(instance->snd_urb); usb_free_urb(instance->rcv_urb); kfree(instance); return ret; } static void cxacru_unbind(struct usbatm_data *usbatm_instance, struct usb_interface *intf) { struct cxacru_data *instance = usbatm_instance->driver_data; dbg("cxacru_unbind entered"); if (!instance) { dbg("cxacru_unbind: NULL instance!"); return; } while (!cancel_delayed_work(&instance->poll_work)) flush_scheduled_work(); usb_kill_urb(instance->snd_urb); usb_kill_urb(instance->rcv_urb); usb_free_urb(instance->snd_urb); usb_free_urb(instance->rcv_urb); free_page((unsigned long) instance->snd_buf); free_page((unsigned long) instance->rcv_buf); kfree(instance); usbatm_instance->driver_data = NULL; } static const struct cxacru_modem_type cxacru_cafe = { .pll_f_clk = 0x02d874df, .pll_b_clk = 0x0196a51a, .boot_rom_patch = 1, }; static const struct cxacru_modem_type cxacru_cb00 = { .pll_f_clk = 0x5, .pll_b_clk = 0x3, .boot_rom_patch = 0, }; static const struct usb_device_id cxacru_usb_ids[] = { { /* V = Conexant P = ADSL modem (Euphrates project) */ USB_DEVICE(0x0572, 0xcafe), .driver_info = (unsigned long) &cxacru_cafe }, { /* V = Conexant P = ADSL modem (Hasbani project) */ USB_DEVICE(0x0572, 0xcb00), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Conexant P = ADSL modem */ USB_DEVICE(0x0572, 0xcb01), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Conexant P = ADSL modem (Well PTI-800) */ USB_DEVICE(0x0572, 0xcb02), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Conexant P = ADSL modem */ USB_DEVICE(0x0572, 0xcb06), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Conexant P = ADSL modem (ZTE ZXDSL 852) */ USB_DEVICE(0x0572, 0xcb07), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Olitec P = ADSL modem version 2 */ USB_DEVICE(0x08e3, 0x0100), .driver_info = (unsigned long) &cxacru_cafe }, { /* V = Olitec P = ADSL modem version 3 */ USB_DEVICE(0x08e3, 0x0102), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Trust/Amigo Technology Co. P = AMX-CA86U */ USB_DEVICE(0x0eb0, 0x3457), .driver_info = (unsigned long) &cxacru_cafe }, { /* V = Zoom P = 5510 */ USB_DEVICE(0x1803, 0x5510), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Draytek P = Vigor 318 */ USB_DEVICE(0x0675, 0x0200), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Zyxel P = 630-C1 aka OMNI ADSL USB (Annex A) */ USB_DEVICE(0x0586, 0x330a), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Zyxel P = 630-C3 aka OMNI ADSL USB (Annex B) */ USB_DEVICE(0x0586, 0x330b), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Aethra P = Starmodem UM1020 */ USB_DEVICE(0x0659, 0x0020), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Aztech Systems P = ? AKA Pirelli AUA-010 */ USB_DEVICE(0x0509, 0x0812), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Netopia P = Cayman 3341(Annex A)/3351(Annex B) */ USB_DEVICE(0x100d, 0xcb01), .driver_info = (unsigned long) &cxacru_cb00 }, { /* V = Netopia P = Cayman 3342(Annex A)/3352(Annex B) */ USB_DEVICE(0x100d, 0x3342), .driver_info = (unsigned long) &cxacru_cb00 }, {} }; MODULE_DEVICE_TABLE(usb, cxacru_usb_ids); static struct usbatm_driver cxacru_driver = { .driver_name = cxacru_driver_name, .bind = cxacru_bind, .heavy_init = cxacru_heavy_init, .unbind = cxacru_unbind, .atm_start = cxacru_atm_start, .bulk_in = CXACRU_EP_DATA, .bulk_out = CXACRU_EP_DATA, .rx_padding = 3, .tx_padding = 11, }; static int cxacru_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { return usbatm_usb_probe(intf, id, &cxacru_driver); } static struct usb_driver cxacru_usb_driver = { .name = cxacru_driver_name, .probe = cxacru_usb_probe, .disconnect = usbatm_usb_disconnect, .id_table = cxacru_usb_ids }; static int __init cxacru_init(void) { return usb_register(&cxacru_usb_driver); } static void __exit cxacru_cleanup(void) { usb_deregister(&cxacru_usb_driver); } module_init(cxacru_init); module_exit(cxacru_cleanup); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); MODULE_VERSION(DRIVER_VERSION);