/*- * Copyright (c) 2003, 2004 * Damien Bergamini . All rights reserved. * * Copyright (c) 2005 Matthieu Castet * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * BSD license below: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * GPL license : * 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. * * * HISTORY : some part of the code was base on ueagle 1.3 BSD driver, * Damien Bergamini agree to put his code under a DUAL GPL/BSD license. * * The rest of the code was was rewritten from scratch. */ #include #include #include #include #include #include #include #include #include #include #include #include "usbatm.h" #define EAGLEUSBVERSION "ueagle 1.3" /* * Debug macros */ #define uea_dbg(usb_dev, format, args...) \ do { \ if (debug >= 1) \ dev_dbg(&(usb_dev)->dev, \ "[ueagle-atm dbg] %s: " format, \ __FUNCTION__, ##args); \ } while (0) #define uea_vdbg(usb_dev, format, args...) \ do { \ if (debug >= 2) \ dev_dbg(&(usb_dev)->dev, \ "[ueagle-atm vdbg] " format, ##args); \ } while (0) #define uea_enters(usb_dev) \ uea_vdbg(usb_dev, "entering %s\n", __FUNCTION__) #define uea_leaves(usb_dev) \ uea_vdbg(usb_dev, "leaving %s\n", __FUNCTION__) #define uea_err(usb_dev, format,args...) \ dev_err(&(usb_dev)->dev ,"[UEAGLE-ATM] " format , ##args) #define uea_warn(usb_dev, format,args...) \ dev_warn(&(usb_dev)->dev ,"[Ueagle-atm] " format, ##args) #define uea_info(usb_dev, format,args...) \ dev_info(&(usb_dev)->dev ,"[ueagle-atm] " format, ##args) struct uea_cmvs { u32 address; u16 offset; u32 data; } __attribute__ ((packed)); struct uea_softc { struct usb_device *usb_dev; struct usbatm_data *usbatm; int modem_index; unsigned int driver_info; int booting; int reset; wait_queue_head_t sync_q; struct task_struct *kthread; u32 data; wait_queue_head_t cmv_ack_wait; int cmv_ack; struct work_struct task; u16 pageno; u16 ovl; const struct firmware *dsp_firm; struct urb *urb_int; u8 cmv_function; u16 cmv_idx; u32 cmv_address; u16 cmv_offset; /* keep in sync with eaglectl */ struct uea_stats { struct { u32 state; u32 flags; u32 mflags; u32 vidcpe; u32 vidco; u32 dsrate; u32 usrate; u32 dsunc; u32 usunc; u32 dscorr; u32 uscorr; u32 txflow; u32 rxflow; u32 usattenuation; u32 dsattenuation; u32 dsmargin; u32 usmargin; u32 firmid; } phy; } stats; }; /* * Elsa IDs */ #define ELSA_VID 0x05CC #define ELSA_PID_PSTFIRM 0x3350 #define ELSA_PID_PREFIRM 0x3351 /* * Sagem USB IDs */ #define EAGLE_VID 0x1110 #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */ #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */ #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */ #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */ #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */ #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */ /* * Eagle III Pid */ #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */ #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */ /* * USR USB IDs */ #define USR_VID 0x0BAF #define MILLER_A_PID_PREFIRM 0x00F2 #define MILLER_A_PID_PSTFIRM 0x00F1 #define MILLER_B_PID_PREFIRM 0x00FA #define MILLER_B_PID_PSTFIRM 0x00F9 #define HEINEKEN_A_PID_PREFIRM 0x00F6 #define HEINEKEN_A_PID_PSTFIRM 0x00F5 #define HEINEKEN_B_PID_PREFIRM 0x00F8 #define HEINEKEN_B_PID_PSTFIRM 0x00F7 #define PREFIRM 0 #define PSTFIRM (1<<7) enum { ADI930 = 0, EAGLE_I, EAGLE_II, EAGLE_III }; /* macros for both struct usb_device_id and struct uea_softc */ #define UEA_IS_PREFIRM(x) \ (!((x)->driver_info & PSTFIRM)) #define UEA_CHIP_VERSION(x) \ ((x)->driver_info & 0xf) #define IS_ISDN(sc) \ (le16_to_cpu(sc->usb_dev->descriptor.bcdDevice) & 0x80) #define INS_TO_USBDEV(ins) ins->usb_dev #define GET_STATUS(data) \ ((data >> 8) & 0xf) #define IS_OPERATIONAL(sc) \ (GET_STATUS(sc->stats.phy.state) == 2) /* * Set of macros to handle unaligned data in the firmware blob. * The FW_GET_BYTE() macro is provided only for consistency. */ #define FW_GET_BYTE(p) *((__u8 *) (p)) #define FW_GET_WORD(p) le16_to_cpu(get_unaligned((__le16 *) (p))) #define FW_GET_LONG(p) le32_to_cpu(get_unaligned((__le32 *) (p))) #define FW_DIR "ueagle-atm/" #define NB_MODEM 4 #define BULK_TIMEOUT 300 #define CTRL_TIMEOUT 1000 #define ACK_TIMEOUT msecs_to_jiffies(3000) #define UEA_INTR_IFACE_NO 0 #define UEA_US_IFACE_NO 1 #define UEA_DS_IFACE_NO 2 #define FASTEST_ISO_INTF 8 #define UEA_BULK_DATA_PIPE 0x02 #define UEA_IDMA_PIPE 0x04 #define UEA_INTR_PIPE 0x04 #define UEA_ISO_DATA_PIPE 0x08 #define UEA_SET_BLOCK 0x0001 #define UEA_SET_MODE 0x0003 #define UEA_SET_2183_DATA 0x0004 #define UEA_SET_TIMEOUT 0x0011 #define UEA_LOOPBACK_OFF 0x0002 #define UEA_LOOPBACK_ON 0x0003 #define UEA_BOOT_IDMA 0x0006 #define UEA_START_RESET 0x0007 #define UEA_END_RESET 0x0008 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000) #define UEA_MPTX_START (0x3fce | 0x4000) #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000) #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000) /* structure describing a block within a DSP page */ struct block_info { __le16 wHdr; #define UEA_BIHDR 0xabcd __le16 wAddress; __le16 wSize; __le16 wOvlOffset; __le16 wOvl; /* overlay */ __le16 wLast; } __attribute__ ((packed)); #define BLOCK_INFO_SIZE 12 /* structure representing a CMV (Configuration and Management Variable) */ struct cmv { __le16 wPreamble; #define PREAMBLE 0x535c __u8 bDirection; #define MODEMTOHOST 0x01 #define HOSTTOMODEM 0x10 __u8 bFunction; #define FUNCTION_TYPE(f) ((f) >> 4) #define MEMACCESS 0x1 #define ADSLDIRECTIVE 0x7 #define FUNCTION_SUBTYPE(f) ((f) & 0x0f) /* for MEMACCESS */ #define REQUESTREAD 0x0 #define REQUESTWRITE 0x1 #define REPLYREAD 0x2 #define REPLYWRITE 0x3 /* for ADSLDIRECTIVE */ #define KERNELREADY 0x0 #define MODEMREADY 0x1 #define MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf)) __le16 wIndex; __le32 dwSymbolicAddress; #define MAKESA(a, b, c, d) \ (((c) & 0xff) << 24 | \ ((d) & 0xff) << 16 | \ ((a) & 0xff) << 8 | \ ((b) & 0xff)) #define GETSA1(a) ((a >> 8) & 0xff) #define GETSA2(a) (a & 0xff) #define GETSA3(a) ((a >> 24) & 0xff) #define GETSA4(a) ((a >> 16) & 0xff) #define SA_CNTL MAKESA('C', 'N', 'T', 'L') #define SA_DIAG MAKESA('D', 'I', 'A', 'G') #define SA_INFO MAKESA('I', 'N', 'F', 'O') #define SA_OPTN MAKESA('O', 'P', 'T', 'N') #define SA_RATE MAKESA('R', 'A', 'T', 'E') #define SA_STAT MAKESA('S', 'T', 'A', 'T') __le16 wOffsetAddress; __le32 dwData; } __attribute__ ((packed)); #define CMV_SIZE 16 /* structure representing swap information */ struct swap_info { __u8 bSwapPageNo; __u8 bOvl; /* overlay */ } __attribute__ ((packed)); /* structure representing interrupt data */ struct intr_pkt { __u8 bType; __u8 bNotification; __le16 wValue; __le16 wIndex; __le16 wLength; __le16 wInterrupt; #define INT_LOADSWAPPAGE 0x0001 #define INT_INCOMINGCMV 0x0002 union { struct { struct swap_info swapinfo; __le16 wDataSize; } __attribute__ ((packed)) s1; struct { struct cmv cmv; __le16 wDataSize; } __attribute__ ((packed)) s2; } __attribute__ ((packed)) u; #define bSwapPageNo u.s1.swapinfo.bSwapPageNo #define bOvl u.s1.swapinfo.bOvl } __attribute__ ((packed)); #define INTR_PKT_SIZE 28 static struct usb_driver uea_driver; static DEFINE_MUTEX(uea_mutex); static const char *chip_name[] = {"ADI930", "Eagle I", "Eagle II", "Eagle III"}; static int modem_index; static unsigned int debug; static int use_iso[NB_MODEM] = {[0 ... (NB_MODEM - 1)] = 1}; static int sync_wait[NB_MODEM]; static char *cmv_file[NB_MODEM]; module_param(debug, uint, 0644); MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); module_param_array(use_iso, bool, NULL, 0644); MODULE_PARM_DESC(use_iso, "use isochronous usb pipe for incoming traffic"); module_param_array(sync_wait, bool, NULL, 0644); MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM"); module_param_array(cmv_file, charp, NULL, 0644); MODULE_PARM_DESC(cmv_file, "file name with configuration and management variables"); #define UPDATE_ATM_STAT(type, val) \ do { \ if (sc->usbatm->atm_dev) \ sc->usbatm->atm_dev->type = val; \ } while (0) /* Firmware loading */ #define LOAD_INTERNAL 0xA0 #define F8051_USBCS 0x7f92 /** * uea_send_modem_cmd - Send a command for pre-firmware devices. */ static int uea_send_modem_cmd(struct usb_device *usb, u16 addr, u16 size, u8 * buff) { int ret = -ENOMEM; u8 *xfer_buff; xfer_buff = kmalloc(size, GFP_KERNEL); if (xfer_buff) { memcpy(xfer_buff, buff, size); ret = usb_control_msg(usb, usb_sndctrlpipe(usb, 0), LOAD_INTERNAL, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr, 0, xfer_buff, size, CTRL_TIMEOUT); kfree(xfer_buff); } if (ret < 0) return ret; return (ret == size) ? 0 : -EIO; } static void uea_upload_pre_firmware(const struct firmware *fw_entry, void *context) { struct usb_device *usb = context; u8 *pfw, value; u32 crc = 0; int ret, size; uea_enters(usb); if (!fw_entry) { uea_err(usb, "firmware is not available\n"); goto err; } pfw = fw_entry->data; size = fw_entry->size; if (size < 4) goto err_fw_corrupted; crc = FW_GET_LONG(pfw); pfw += 4; size -= 4; if (crc32_be(0, pfw, size) != crc) goto err_fw_corrupted; /* * Start to upload formware : send reset */ value = 1; ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value); if (ret < 0) { uea_err(usb, "modem reset failed with error %d\n", ret); goto err; } while (size > 3) { u8 len = FW_GET_BYTE(pfw); u16 add = FW_GET_WORD(pfw + 1); size -= len + 3; if (size < 0) goto err_fw_corrupted; ret = uea_send_modem_cmd(usb, add, len, pfw + 3); if (ret < 0) { uea_err(usb, "uploading firmware data failed " "with error %d\n", ret); goto err; } pfw += len + 3; } if (size != 0) goto err_fw_corrupted; /* * Tell the modem we finish : de-assert reset */ value = 0; ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value); if (ret < 0) uea_err(usb, "modem de-assert failed with error %d\n", ret); else uea_info(usb, "firmware uploaded\n"); uea_leaves(usb); return; err_fw_corrupted: uea_err(usb, "firmware is corrupted\n"); err: uea_leaves(usb); } /** * uea_load_firmware - Load usb firmware for pre-firmware devices. */ static int uea_load_firmware(struct usb_device *usb, unsigned int ver) { int ret; char *fw_name = FW_DIR "eagle.fw"; uea_enters(usb); uea_info(usb, "pre-firmware device, uploading firmware\n"); switch (ver) { case ADI930: fw_name = FW_DIR "adi930.fw"; break; case EAGLE_I: fw_name = FW_DIR "eagleI.fw"; break; case EAGLE_II: fw_name = FW_DIR "eagleII.fw"; break; case EAGLE_III: fw_name = FW_DIR "eagleIII.fw"; break; } ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, usb, uea_upload_pre_firmware); if (ret) uea_err(usb, "firmware %s is not available\n", fw_name); else uea_info(usb, "loading firmware %s\n", fw_name); uea_leaves(usb); return ret; } /* modem management : dsp firmware, send/read CMV, monitoring statistic */ /* * Make sure that the DSP code provided is safe to use. */ static int check_dsp(u8 *dsp, unsigned int len) { u8 pagecount, blockcount; u16 blocksize; u32 pageoffset; unsigned int i, j, p, pp; pagecount = FW_GET_BYTE(dsp); p = 1; /* enough space for page offsets? */ if (p + 4 * pagecount > len) return 1; for (i = 0; i < pagecount; i++) { pageoffset = FW_GET_LONG(dsp + p); p += 4; if (pageoffset == 0) continue; /* enough space for blockcount? */ if (pageoffset >= len) return 1; pp = pageoffset; blockcount = FW_GET_BYTE(dsp + pp); pp += 1; for (j = 0; j < blockcount; j++) { /* enough space for block header? */ if (pp + 4 > len) return 1; pp += 2; /* skip blockaddr */ blocksize = FW_GET_WORD(dsp + pp); pp += 2; /* enough space for block data? */ if (pp + blocksize > len) return 1; pp += blocksize; } } return 0; } /* * send data to the idma pipe * */ static int uea_idma_write(struct uea_softc *sc, void *data, u32 size) { int ret = -ENOMEM; u8 *xfer_buff; int bytes_read; xfer_buff = kmalloc(size, GFP_KERNEL); if (!xfer_buff) { uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); return ret; } memcpy(xfer_buff, data, size); ret = usb_bulk_msg(sc->usb_dev, usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), xfer_buff, size, &bytes_read, BULK_TIMEOUT); kfree(xfer_buff); if (ret < 0) return ret; if (size != bytes_read) { uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size, bytes_read); return -EIO; } return 0; } static int request_dsp(struct uea_softc *sc) { int ret; char *dsp_name; if (UEA_CHIP_VERSION(sc) == ADI930) { if (IS_ISDN(sc)) dsp_name = FW_DIR "DSP9i.bin"; else dsp_name = FW_DIR "DSP9p.bin"; } else { if (IS_ISDN(sc)) dsp_name = FW_DIR "DSPei.bin"; else dsp_name = FW_DIR "DSPep.bin"; } ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev); if (ret < 0) { uea_err(INS_TO_USBDEV(sc), "requesting firmware %s failed with error %d\n", dsp_name, ret); return ret; } if (check_dsp(sc->dsp_firm->data, sc->dsp_firm->size)) { uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", dsp_name); release_firmware(sc->dsp_firm); sc->dsp_firm = NULL; return -EILSEQ; } return 0; } /* * The uea_load_page() function must be called within a process context */ static void uea_load_page(void *xsc) { struct uea_softc *sc = xsc; u16 pageno = sc->pageno; u16 ovl = sc->ovl; struct block_info bi; u8 *p; u8 pagecount, blockcount; u16 blockaddr, blocksize; u32 pageoffset; int i; /* reload firmware when reboot start and it's loaded already */ if (ovl == 0 && pageno == 0 && sc->dsp_firm) { release_firmware(sc->dsp_firm); sc->dsp_firm = NULL; } if (sc->dsp_firm == NULL && request_dsp(sc) < 0) return; p = sc->dsp_firm->data; pagecount = FW_GET_BYTE(p); p += 1; if (pageno >= pagecount) goto bad1; p += 4 * pageno; pageoffset = FW_GET_LONG(p); if (pageoffset == 0) goto bad1; p = sc->dsp_firm->data + pageoffset; blockcount = FW_GET_BYTE(p); p += 1; uea_dbg(INS_TO_USBDEV(sc), "sending %u blocks for DSP page %u\n", blockcount, pageno); bi.wHdr = cpu_to_le16(UEA_BIHDR); bi.wOvl = cpu_to_le16(ovl); bi.wOvlOffset = cpu_to_le16(ovl | 0x8000); for (i = 0; i < blockcount; i++) { blockaddr = FW_GET_WORD(p); p += 2; blocksize = FW_GET_WORD(p); p += 2; bi.wSize = cpu_to_le16(blocksize); bi.wAddress = cpu_to_le16(blockaddr); bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0); /* send block info through the IDMA pipe */ if (uea_idma_write(sc, &bi, BLOCK_INFO_SIZE)) goto bad2; /* send block data through the IDMA pipe */ if (uea_idma_write(sc, p, blocksize)) goto bad2; p += blocksize; } return; bad2: uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i); return; bad1: uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno); } static inline void wake_up_cmv_ack(struct uea_softc *sc) { BUG_ON(sc->cmv_ack); sc->cmv_ack = 1; wake_up(&sc->cmv_ack_wait); } static inline int wait_cmv_ack(struct uea_softc *sc) { int ret = wait_event_timeout(sc->cmv_ack_wait, sc->cmv_ack, ACK_TIMEOUT); sc->cmv_ack = 0; uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n", jiffies_to_msecs(ret)); if (ret < 0) return ret; return (ret == 0) ? -ETIMEDOUT : 0; } #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 static int uea_request(struct uea_softc *sc, u16 value, u16 index, u16 size, void *data) { u8 *xfer_buff; int ret = -ENOMEM; xfer_buff = kmalloc(size, GFP_KERNEL); if (!xfer_buff) { uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); return ret; } memcpy(xfer_buff, data, size); ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), UCDC_SEND_ENCAPSULATED_COMMAND, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, xfer_buff, size, CTRL_TIMEOUT); kfree(xfer_buff); if (ret < 0) { uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret); return ret; } if (ret != size) { uea_err(INS_TO_USBDEV(sc), "usb_control_msg send only %d bytes (instead of %d)\n", ret, size); return -EIO; } return 0; } static int uea_cmv(struct uea_softc *sc, u8 function, u32 address, u16 offset, u32 data) { struct cmv cmv; int ret; uea_enters(INS_TO_USBDEV(sc)); uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, " "offset : 0x%04x, data : 0x%08x\n", FUNCTION_TYPE(function), FUNCTION_SUBTYPE(function), GETSA1(address), GETSA2(address), GETSA3(address), GETSA4(address), offset, data); /* we send a request, but we expect a reply */ sc->cmv_function = function | 0x2; sc->cmv_idx++; sc->cmv_address = address; sc->cmv_offset = offset; cmv.wPreamble = cpu_to_le16(PREAMBLE); cmv.bDirection = HOSTTOMODEM; cmv.bFunction = function; cmv.wIndex = cpu_to_le16(sc->cmv_idx); put_unaligned(cpu_to_le32(address), &cmv.dwSymbolicAddress); cmv.wOffsetAddress = cpu_to_le16(offset); put_unaligned(cpu_to_le32(data >> 16 | data << 16), &cmv.dwData); ret = uea_request(sc, UEA_SET_BLOCK, UEA_MPTX_START, CMV_SIZE, &cmv); if (ret < 0) return ret; ret = wait_cmv_ack(sc); uea_leaves(INS_TO_USBDEV(sc)); return ret; } static inline int uea_read_cmv(struct uea_softc *sc, u32 address, u16 offset, u32 *data) { int ret = uea_cmv(sc, MAKEFUNCTION(MEMACCESS, REQUESTREAD), address, offset, 0); if (ret < 0) uea_err(INS_TO_USBDEV(sc), "reading cmv failed with error %d\n", ret); else *data = sc->data; return ret; } static inline int uea_write_cmv(struct uea_softc *sc, u32 address, u16 offset, u32 data) { int ret = uea_cmv(sc, MAKEFUNCTION(MEMACCESS, REQUESTWRITE), address, offset, data); if (ret < 0) uea_err(INS_TO_USBDEV(sc), "writing cmv failed with error %d\n", ret); return ret; } /* * Monitor the modem and update the stat * return 0 if everything is ok * return < 0 if an error occurs (-EAGAIN reboot needed) */ static int uea_stat(struct uea_softc *sc) { u32 data; int ret; uea_enters(INS_TO_USBDEV(sc)); data = sc->stats.phy.state; ret = uea_read_cmv(sc, SA_STAT, 0, &sc->stats.phy.state); if (ret < 0) return ret; switch (GET_STATUS(sc->stats.phy.state)) { case 0: /* not yet synchronized */ uea_dbg(INS_TO_USBDEV(sc), "modem not yet synchronized\n"); return 0; case 1: /* initialization */ uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); return 0; case 2: /* operational */ uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n"); break; case 3: /* fail ... */ uea_info(INS_TO_USBDEV(sc), "modem synchronization failed\n"); return -EAGAIN; case 4 ... 6: /* test state */ uea_warn(INS_TO_USBDEV(sc), "modem in test mode - not supported\n"); return -EAGAIN; case 7: /* fast-retain ... */ uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n"); return 0; default: uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n", GET_STATUS(sc->stats.phy.state)); return -EAGAIN; } if (GET_STATUS(data) != 2) { uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); uea_info(INS_TO_USBDEV(sc), "modem operational\n"); /* release the dsp firmware as it is not needed until * the next failure */ if (sc->dsp_firm) { release_firmware(sc->dsp_firm); sc->dsp_firm = NULL; } ret = uea_read_cmv(sc, SA_INFO, 10, &sc->stats.phy.firmid); if (ret < 0) return ret; uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", sc->stats.phy.firmid); } /* always update it as atm layer could not be init when we switch to * operational state */ UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND); /* wake up processes waiting for synchronization */ wake_up(&sc->sync_q); ret = uea_read_cmv(sc, SA_DIAG, 2, &sc->stats.phy.flags); if (ret < 0) return ret; sc->stats.phy.mflags |= sc->stats.phy.flags; /* in case of a flags ( for example delineation LOSS (& 0x10)), * we check the status again in order to detect the failure earlier */ if (sc->stats.phy.flags) { uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", sc->stats.phy.flags); return 0; } ret = uea_read_cmv(sc, SA_RATE, 0, &data); if (ret < 0) return ret; /* in bulk mode the modem have problem with high rate * changing internal timing could improve things, but the * value is misterious. * ADI930 don't support it (-EPIPE error). */ if (UEA_CHIP_VERSION(sc) != ADI930 && !use_iso[sc->modem_index] && sc->stats.phy.dsrate != (data >> 16) * 32) { /* Original timming from ADI(used in windows driver) * 0x20ffff>>16 * 32 = 32 * 32 = 1Mbits */ u16 timeout = (data <= 0x20ffff) ? 0 : 1; ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL); uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n", timeout, ret < 0?" failed":""); } sc->stats.phy.dsrate = (data >> 16) * 32; sc->stats.phy.usrate = (data & 0xffff) * 32; UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); ret = uea_read_cmv(sc, SA_DIAG, 23, &data); if (ret < 0) return ret; sc->stats.phy.dsattenuation = (data & 0xff) / 2; ret = uea_read_cmv(sc, SA_DIAG, 47, &data); if (ret < 0) return ret; sc->stats.phy.usattenuation = (data & 0xff) / 2; ret = uea_read_cmv(sc, SA_DIAG, 25, &sc->stats.phy.dsmargin); if (ret < 0) return ret; ret = uea_read_cmv(sc, SA_DIAG, 49, &sc->stats.phy.usmargin); if (ret < 0) return ret; ret = uea_read_cmv(sc, SA_DIAG, 51, &sc->stats.phy.rxflow); if (ret < 0) return ret; ret = uea_read_cmv(sc, SA_DIAG, 52, &sc->stats.phy.txflow); if (ret < 0) return ret; ret = uea_read_cmv(sc, SA_DIAG, 54, &sc->stats.phy.dsunc); if (ret < 0) return ret; /* only for atu-c */ ret = uea_read_cmv(sc, SA_DIAG, 58, &sc->stats.phy.usunc); if (ret < 0) return ret; ret = uea_read_cmv(sc, SA_DIAG, 53, &sc->stats.phy.dscorr); if (ret < 0) return ret; /* only for atu-c */ ret = uea_read_cmv(sc, SA_DIAG, 57, &sc->stats.phy.uscorr); if (ret < 0) return ret; ret = uea_read_cmv(sc, SA_INFO, 8, &sc->stats.phy.vidco); if (ret < 0) return ret; ret = uea_read_cmv(sc, SA_INFO, 13, &sc->stats.phy.vidcpe); if (ret < 0) return ret; return 0; } static int request_cmvs(struct uea_softc *sc, struct uea_cmvs **cmvs, const struct firmware **fw) { int ret, size; u8 *data; char *file; char cmv_name[FIRMWARE_NAME_MAX]; /* 30 bytes stack variable */ if (cmv_file[sc->modem_index] == NULL) { if (UEA_CHIP_VERSION(sc) == ADI930) file = (IS_ISDN(sc)) ? "CMV9i.bin" : "CMV9p.bin"; else file = (IS_ISDN(sc)) ? "CMVei.bin" : "CMVep.bin"; } else file = cmv_file[sc->modem_index]; strcpy(cmv_name, FW_DIR); strlcat(cmv_name, file, sizeof(cmv_name)); ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); if (ret < 0) { uea_err(INS_TO_USBDEV(sc), "requesting firmware %s failed with error %d\n", cmv_name, ret); return ret; } data = (u8 *) (*fw)->data; size = *data * sizeof(struct uea_cmvs) + 1; if (size != (*fw)->size) { uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); release_firmware(*fw); return -EILSEQ; } *cmvs = (struct uea_cmvs *)(data + 1); return *data; } /* Start boot post firmware modem: * - send reset commands through usb control pipe * - start workqueue for DSP loading * - send CMV options to modem */ static int uea_start_reset(struct uea_softc *sc) { u16 zero = 0; /* ;-) */ int i, len, ret; struct uea_cmvs *cmvs; const struct firmware *cmvs_fw; uea_enters(INS_TO_USBDEV(sc)); uea_info(INS_TO_USBDEV(sc), "(re)booting started\n"); /* mask interrupt */ sc->booting = 1; /* We need to set this here because, a ack timeout could have occured, * but before we start the reboot, the ack occurs and set this to 1. * So we will failed to wait Ready CMV. */ sc->cmv_ack = 0; UPDATE_ATM_STAT(signal, ATM_PHY_SIG_LOST); /* reset statistics */ memset(&sc->stats, 0, sizeof(struct uea_stats)); /* tell the modem that we want to boot in IDMA mode */ uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL); /* enter reset mode */ uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL); /* original driver use 200ms, but windows driver use 100ms */ msleep(100); /* leave reset mode */ uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL); /* clear tx and rx mailboxes */ uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero); uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero); uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero); msleep(1000); sc->cmv_function = MAKEFUNCTION(ADSLDIRECTIVE, MODEMREADY); /* demask interrupt */ sc->booting = 0; /* start loading DSP */ sc->pageno = 0; sc->ovl = 0; schedule_work(&sc->task); /* wait for modem ready CMV */ ret = wait_cmv_ack(sc); if (ret < 0) return ret; uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n"); /* Enter in R-IDLE (cmv) until instructed otherwise */ ret = uea_write_cmv(sc, SA_CNTL, 0, 1); if (ret < 0) return ret; /* get options */ ret = len = request_cmvs(sc, &cmvs, &cmvs_fw); if (ret < 0) return ret; /* send options */ for (i = 0; i < len; i++) { ret = uea_write_cmv(sc, FW_GET_LONG(&cmvs[i].address), FW_GET_WORD(&cmvs[i].offset), FW_GET_LONG(&cmvs[i].data)); if (ret < 0) goto out; } /* Enter in R-ACT-REQ */ ret = uea_write_cmv(sc, SA_CNTL, 0, 2); uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); out: release_firmware(cmvs_fw); sc->reset = 0; uea_leaves(INS_TO_USBDEV(sc)); return ret; } /* * In case of an error wait 1s before rebooting the modem * if the modem don't request reboot (-EAGAIN). * Monitor the modem every 1s. */ static int uea_kthread(void *data) { struct uea_softc *sc = data; int ret = -EAGAIN; uea_enters(INS_TO_USBDEV(sc)); while (!kthread_should_stop()) { if (ret < 0 || sc->reset) ret = uea_start_reset(sc); if (!ret) ret = uea_stat(sc); if (ret != -EAGAIN) msleep(1000); if (try_to_freeze()) uea_err(INS_TO_USBDEV(sc), "suspend/resume not supported, " "please unplug/replug your modem\n"); } uea_leaves(INS_TO_USBDEV(sc)); return ret; } /* Load second usb firmware for ADI930 chip */ static int load_XILINX_firmware(struct uea_softc *sc) { const struct firmware *fw_entry; int ret, size, u, ln; u8 *pfw, value; char *fw_name = FW_DIR "930-fpga.bin"; uea_enters(INS_TO_USBDEV(sc)); ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev); if (ret) { uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n", fw_name); goto err0; } pfw = fw_entry->data; size = fw_entry->size; if (size != 0x577B) { uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", fw_name); ret = -EILSEQ; goto err1; } for (u = 0; u < size; u += ln) { ln = min(size - u, 64); ret = uea_request(sc, 0xe, 0, ln, pfw + u); if (ret < 0) { uea_err(INS_TO_USBDEV(sc), "elsa download data failed (%d)\n", ret); goto err1; } } /* finish to send the fpga */ ret = uea_request(sc, 0xe, 1, 0, NULL); if (ret < 0) { uea_err(INS_TO_USBDEV(sc), "elsa download data failed (%d)\n", ret); goto err1; } /* Tell the modem we finish : de-assert reset */ value = 0; ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value); if (ret < 0) uea_err(sc->usb_dev, "elsa de-assert failed with error %d\n", ret); err1: release_firmware(fw_entry); err0: uea_leaves(INS_TO_USBDEV(sc)); return ret; } /* The modem send us an ack. First with check if it right */ static void uea_dispatch_cmv(struct uea_softc *sc, struct cmv* cmv) { uea_enters(INS_TO_USBDEV(sc)); if (le16_to_cpu(cmv->wPreamble) != PREAMBLE) goto bad1; if (cmv->bDirection != MODEMTOHOST) goto bad1; /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to * the first MEMACESS cmv. Ignore it... */ if (cmv->bFunction != sc->cmv_function) { if (UEA_CHIP_VERSION(sc) == ADI930 && cmv->bFunction == MAKEFUNCTION(2, 2)) { cmv->wIndex = cpu_to_le16(sc->cmv_idx); put_unaligned(cpu_to_le32(sc->cmv_address), &cmv->dwSymbolicAddress); cmv->wOffsetAddress = cpu_to_le16(sc->cmv_offset); } else goto bad2; } if (cmv->bFunction == MAKEFUNCTION(ADSLDIRECTIVE, MODEMREADY)) { wake_up_cmv_ack(sc); uea_leaves(INS_TO_USBDEV(sc)); return; } /* in case of MEMACCESS */ if (le16_to_cpu(cmv->wIndex) != sc->cmv_idx || le32_to_cpu(get_unaligned(&cmv->dwSymbolicAddress)) != sc->cmv_address || le16_to_cpu(cmv->wOffsetAddress) != sc->cmv_offset) goto bad2; sc->data = le32_to_cpu(get_unaligned(&cmv->dwData)); sc->data = sc->data << 16 | sc->data >> 16; wake_up_cmv_ack(sc); uea_leaves(INS_TO_USBDEV(sc)); return; bad2: uea_err(INS_TO_USBDEV(sc), "unexpected cmv received," "Function : %d, Subfunction : %d\n", FUNCTION_TYPE(cmv->bFunction), FUNCTION_SUBTYPE(cmv->bFunction)); uea_leaves(INS_TO_USBDEV(sc)); return; bad1: uea_err(INS_TO_USBDEV(sc), "invalid cmv received, " "wPreamble %d, bDirection %d\n", le16_to_cpu(cmv->wPreamble), cmv->bDirection); uea_leaves(INS_TO_USBDEV(sc)); } /* * interrupt handler */ static void uea_intr(struct urb *urb) { struct uea_softc *sc = urb->context; struct intr_pkt *intr = urb->transfer_buffer; uea_enters(INS_TO_USBDEV(sc)); if (unlikely(urb->status < 0)) { uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", urb->status); return; } /* device-to-host interrupt */ if (intr->bType != 0x08 || sc->booting) { uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n"); goto resubmit; } switch (le16_to_cpu(intr->wInterrupt)) { case INT_LOADSWAPPAGE: sc->pageno = intr->bSwapPageNo; sc->ovl = intr->bOvl >> 4 | intr->bOvl << 4; schedule_work(&sc->task); break; case INT_INCOMINGCMV: uea_dispatch_cmv(sc, &intr->u.s2.cmv); break; default: uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n", le16_to_cpu(intr->wInterrupt)); } resubmit: usb_submit_urb(sc->urb_int, GFP_ATOMIC); } /* * Start the modem : init the data and start kernel thread */ static int uea_boot(struct uea_softc *sc) { int ret; struct intr_pkt *intr; uea_enters(INS_TO_USBDEV(sc)); INIT_WORK(&sc->task, uea_load_page, sc); init_waitqueue_head(&sc->sync_q); init_waitqueue_head(&sc->cmv_ack_wait); if (UEA_CHIP_VERSION(sc) == ADI930) load_XILINX_firmware(sc); intr = kmalloc(INTR_PKT_SIZE, GFP_KERNEL); if (!intr) { uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt package\n"); uea_leaves(INS_TO_USBDEV(sc)); return -ENOMEM; } sc->urb_int = usb_alloc_urb(0, GFP_KERNEL); if (!sc->urb_int) { uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n"); goto err; } usb_fill_int_urb(sc->urb_int, sc->usb_dev, usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), intr, INTR_PKT_SIZE, uea_intr, sc, sc->usb_dev->actconfig->interface[0]->altsetting[0]. endpoint[0].desc.bInterval); ret = usb_submit_urb(sc->urb_int, GFP_KERNEL); if (ret < 0) { uea_err(INS_TO_USBDEV(sc), "urb submition failed with error %d\n", ret); goto err; } sc->kthread = kthread_run(uea_kthread, sc, "ueagle-atm"); if (sc->kthread == ERR_PTR(-ENOMEM)) { uea_err(INS_TO_USBDEV(sc), "failed to create thread\n"); goto err2; } uea_leaves(INS_TO_USBDEV(sc)); return 0; err2: usb_kill_urb(sc->urb_int); err: usb_free_urb(sc->urb_int); sc->urb_int = NULL; kfree(intr); uea_leaves(INS_TO_USBDEV(sc)); return -ENOMEM; } /* * Stop the modem : kill kernel thread and free data */ static void uea_stop(struct uea_softc *sc) { int ret; uea_enters(INS_TO_USBDEV(sc)); ret = kthread_stop(sc->kthread); uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); /* stop any pending boot process */ flush_scheduled_work(); uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); usb_kill_urb(sc->urb_int); kfree(sc->urb_int->transfer_buffer); usb_free_urb(sc->urb_int); if (sc->dsp_firm) release_firmware(sc->dsp_firm); uea_leaves(INS_TO_USBDEV(sc)); } /* syfs interface */ static struct uea_softc *dev_to_uea(struct device *dev) { struct usb_interface *intf; struct usbatm_data *usbatm; intf = to_usb_interface(dev); if (!intf) return NULL; usbatm = usb_get_intfdata(intf); if (!usbatm) return NULL; return usbatm->driver_data; } static ssize_t read_status(struct device *dev, struct device_attribute *attr, char *buf) { int ret = -ENODEV; struct uea_softc *sc; mutex_lock(&uea_mutex); sc = dev_to_uea(dev); if (!sc) goto out; ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state); out: mutex_unlock(&uea_mutex); return ret; } static ssize_t reboot(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int ret = -ENODEV; struct uea_softc *sc; mutex_lock(&uea_mutex); sc = dev_to_uea(dev); if (!sc) goto out; sc->reset = 1; ret = count; out: mutex_unlock(&uea_mutex); return ret; } static DEVICE_ATTR(stat_status, S_IWUGO | S_IRUGO, read_status, reboot); static ssize_t read_human_status(struct device *dev, struct device_attribute *attr, char *buf) { int ret = -ENODEV; struct uea_softc *sc; mutex_lock(&uea_mutex); sc = dev_to_uea(dev); if (!sc) goto out; switch (GET_STATUS(sc->stats.phy.state)) { case 0: ret = sprintf(buf, "Modem is booting\n"); break; case 1: ret = sprintf(buf, "Modem is initializing\n"); break; case 2: ret = sprintf(buf, "Modem is operational\n"); break; default: ret = sprintf(buf, "Modem synchronization failed\n"); break; } out: mutex_unlock(&uea_mutex); return ret; } static DEVICE_ATTR(stat_human_status, S_IWUGO | S_IRUGO, read_human_status, NULL); static ssize_t read_delin(struct device *dev, struct device_attribute *attr, char *buf) { int ret = -ENODEV; struct uea_softc *sc; mutex_lock(&uea_mutex); sc = dev_to_uea(dev); if (!sc) goto out; if (sc->stats.phy.flags & 0x0C00) ret = sprintf(buf, "ERROR\n"); else if (sc->stats.phy.flags & 0x0030) ret = sprintf(buf, "LOSS\n"); else ret = sprintf(buf, "GOOD\n"); out: mutex_unlock(&uea_mutex); return ret; } static DEVICE_ATTR(stat_delin, S_IWUGO | S_IRUGO, read_delin, NULL); #define UEA_ATTR(name, reset) \ \ static ssize_t read_##name(struct device *dev, \ struct device_attribute *attr, char *buf) \ { \ int ret = -ENODEV; \ struct uea_softc *sc; \ \ mutex_lock(&uea_mutex); \ sc = dev_to_uea(dev); \ if (!sc) \ goto out; \ ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \ if (reset) \ sc->stats.phy.name = 0; \ out: \ mutex_unlock(&uea_mutex); \ return ret; \ } \ \ static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL) UEA_ATTR(mflags, 1); UEA_ATTR(vidcpe, 0); UEA_ATTR(usrate, 0); UEA_ATTR(dsrate, 0); UEA_ATTR(usattenuation, 0); UEA_ATTR(dsattenuation, 0); UEA_ATTR(usmargin, 0); UEA_ATTR(dsmargin, 0); UEA_ATTR(txflow, 0); UEA_ATTR(rxflow, 0); UEA_ATTR(uscorr, 0); UEA_ATTR(dscorr, 0); UEA_ATTR(usunc, 0); UEA_ATTR(dsunc, 0); /* Retrieve the device End System Identifier (MAC) */ #define htoi(x) (isdigit(x) ? x-'0' : toupper(x)-'A'+10) static int uea_getesi(struct uea_softc *sc, u_char * esi) { unsigned char mac_str[2 * ETH_ALEN + 1]; int i; if (usb_string (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) != 2 * ETH_ALEN) return 1; for (i = 0; i < ETH_ALEN; i++) esi[i] = htoi(mac_str[2 * i]) * 16 + htoi(mac_str[2 * i + 1]); return 0; } /* ATM stuff */ static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev) { struct uea_softc *sc = usbatm->driver_data; return uea_getesi(sc, atm_dev->esi); } static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf) { struct uea_softc *sc = usbatm->driver_data; wait_event(sc->sync_q, IS_OPERATIONAL(sc)); return 0; } static int claim_interface(struct usb_device *usb_dev, struct usbatm_data *usbatm, int ifnum) { int ret; struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum); if (!intf) { uea_err(usb_dev, "interface %d not found\n", ifnum); return -ENODEV; } ret = usb_driver_claim_interface(&uea_driver, intf, usbatm); if (ret != 0) uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum, ret); return ret; } static struct attribute *attrs[] = { &dev_attr_stat_status.attr, &dev_attr_stat_mflags.attr, &dev_attr_stat_human_status.attr, &dev_attr_stat_delin.attr, &dev_attr_stat_vidcpe.attr, &dev_attr_stat_usrate.attr, &dev_attr_stat_dsrate.attr, &dev_attr_stat_usattenuation.attr, &dev_attr_stat_dsattenuation.attr, &dev_attr_stat_usmargin.attr, &dev_attr_stat_dsmargin.attr, &dev_attr_stat_txflow.attr, &dev_attr_stat_rxflow.attr, &dev_attr_stat_uscorr.attr, &dev_attr_stat_dscorr.attr, &dev_attr_stat_usunc.attr, &dev_attr_stat_dsunc.attr, }; static struct attribute_group attr_grp = { .attrs = attrs, }; static int create_fs_entries(struct usb_interface *intf) { return sysfs_create_group(&intf->dev.kobj, &attr_grp); } static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *usb = interface_to_usbdev(intf); struct uea_softc *sc; int ret, ifnum = intf->altsetting->desc.bInterfaceNumber; uea_enters(usb); /* interface 0 is for firmware/monitoring */ if (ifnum != UEA_INTR_IFACE_NO) return -ENODEV; usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT); /* interface 1 is for outbound traffic */ ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO); if (ret < 0) return ret; /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */ if (UEA_CHIP_VERSION(id) != ADI930) { /* interface 2 is for inbound traffic */ ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO); if (ret < 0) return ret; } sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL); if (!sc) { uea_err(usb, "uea_init: not enough memory !\n"); return -ENOMEM; } sc->usb_dev = usb; usbatm->driver_data = sc; sc->usbatm = usbatm; sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0; sc->driver_info = id->driver_info; /* ADI930 don't support iso */ if (UEA_CHIP_VERSION(id) != ADI930 && use_iso[sc->modem_index]) { int i; /* try set fastest alternate for inbound traffic interface */ for (i = FASTEST_ISO_INTF; i > 0; i--) if (usb_set_interface(usb, UEA_DS_IFACE_NO, i) == 0) break; if (i > 0) { uea_dbg(usb, "set alternate %d for 2 interface\n", i); uea_info(usb, "using iso mode\n"); usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ; } else { uea_err(usb, "setting any alternate failed for " "2 interface, using bulk mode\n"); } } ret = uea_boot(sc); if (ret < 0) { kfree(sc); return ret; } ret = create_fs_entries(intf); if (ret) { uea_stop(sc); kfree(sc); return ret; } return 0; } static void destroy_fs_entries(struct usb_interface *intf) { sysfs_remove_group(&intf->dev.kobj, &attr_grp); } static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) { struct uea_softc *sc = usbatm->driver_data; destroy_fs_entries(intf); uea_stop(sc); kfree(sc); } static struct usbatm_driver uea_usbatm_driver = { .driver_name = "ueagle-atm", .bind = uea_bind, .atm_start = uea_atm_open, .unbind = uea_unbind, .heavy_init = uea_heavy, .bulk_in = UEA_BULK_DATA_PIPE, .bulk_out = UEA_BULK_DATA_PIPE, .isoc_in = UEA_ISO_DATA_PIPE, }; static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *usb = interface_to_usbdev(intf); uea_enters(usb); uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) : %s\n", le16_to_cpu(usb->descriptor.idVendor), le16_to_cpu(usb->descriptor.idProduct), chip_name[UEA_CHIP_VERSION(id)]); usb_reset_device(usb); if (UEA_IS_PREFIRM(id)) return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); return usbatm_usb_probe(intf, id, &uea_usbatm_driver); } static void uea_disconnect(struct usb_interface *intf) { struct usb_device *usb = interface_to_usbdev(intf); int ifnum = intf->altsetting->desc.bInterfaceNumber; uea_enters(usb); /* ADI930 has 2 interfaces and eagle 3 interfaces. * Pre-firmware device has one interface */ if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { mutex_lock(&uea_mutex); usbatm_usb_disconnect(intf); mutex_unlock(&uea_mutex); uea_info(usb, "ADSL device removed\n"); } uea_leaves(usb); } /* * List of supported VID/PID */ static const struct usb_device_id uea_ids[] = { {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), .driver_info = ADI930 | PREFIRM}, {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM}, {USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, {USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, {USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, {USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM}, {USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, {USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM}, {USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PREFIRM), .driver_info = EAGLE_III | PREFIRM}, {USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PSTFIRM), .driver_info = EAGLE_III | PSTFIRM}, {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM}, {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM}, {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM}, {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM}, {} }; /* * USB driver descriptor */ static struct usb_driver uea_driver = { .name = "ueagle-atm", .id_table = uea_ids, .probe = uea_probe, .disconnect = uea_disconnect, }; MODULE_DEVICE_TABLE(usb, uea_ids); /** * uea_init - Initialize the module. * Register to USB subsystem */ static int __init uea_init(void) { printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n"); usb_register(&uea_driver); return 0; } module_init(uea_init); /** * uea_exit - Destroy module * Deregister with USB subsystem */ static void __exit uea_exit(void) { /* * This calls automatically the uea_disconnect method if necessary: */ usb_deregister(&uea_driver); printk(KERN_INFO "[ueagle-atm] driver unloaded\n"); } module_exit(uea_exit); MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); MODULE_LICENSE("Dual BSD/GPL");