| /*- |
| * Copyright (c) 2003, 2004 |
| * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. |
| * |
| * Copyright (c) 2005-2007 Matthieu Castet <castet.matthieu@free.fr> |
| * Copyright (c) 2005-2007 Stanislaw Gruszka <stf_xl@wp.pl> |
| * |
| * 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 <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/init.h> |
| #include <linux/crc32.h> |
| #include <linux/usb.h> |
| #include <linux/firmware.h> |
| #include <linux/ctype.h> |
| #include <linux/sched.h> |
| #include <linux/kthread.h> |
| #include <linux/mutex.h> |
| #include <linux/freezer.h> |
| #include <linux/slab.h> |
| #include <linux/kernel.h> |
| |
| #include <asm/unaligned.h> |
| |
| #include "usbatm.h" |
| |
| #define EAGLEUSBVERSION "ueagle 1.4" |
| |
| |
| /* |
| * Debug macros |
| */ |
| #define uea_dbg(usb_dev, format, args...) \ |
| do { \ |
| if (debug >= 1) \ |
| dev_dbg(&(usb_dev)->dev, \ |
| "[ueagle-atm dbg] %s: " format, \ |
| __func__, ##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" , __func__) |
| |
| #define uea_leaves(usb_dev) \ |
| uea_vdbg(usb_dev, "leaving %s\n" , __func__) |
| |
| #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 intr_pkt; |
| |
| /* cmv's from firmware */ |
| struct uea_cmvs_v1 { |
| u32 address; |
| u16 offset; |
| u32 data; |
| } __packed; |
| |
| struct uea_cmvs_v2 { |
| u32 group; |
| u32 address; |
| u32 offset; |
| u32 data; |
| } __packed; |
| |
| /* information about currently processed cmv */ |
| struct cmv_dsc_e1 { |
| u8 function; |
| u16 idx; |
| u32 address; |
| u16 offset; |
| }; |
| |
| struct cmv_dsc_e4 { |
| u16 function; |
| u16 offset; |
| u16 address; |
| u16 group; |
| }; |
| |
| union cmv_dsc { |
| struct cmv_dsc_e1 e1; |
| struct cmv_dsc_e4 e4; |
| }; |
| |
| struct uea_softc { |
| struct usb_device *usb_dev; |
| struct usbatm_data *usbatm; |
| |
| int modem_index; |
| unsigned int driver_info; |
| int annex; |
| #define ANNEXA 0 |
| #define ANNEXB 1 |
| |
| int booting; |
| int reset; |
| |
| wait_queue_head_t sync_q; |
| |
| struct task_struct *kthread; |
| u32 data; |
| u32 data1; |
| |
| int cmv_ack; |
| union cmv_dsc cmv_dsc; |
| |
| struct work_struct task; |
| u16 pageno; |
| u16 ovl; |
| |
| const struct firmware *dsp_firm; |
| struct urb *urb_int; |
| |
| void (*dispatch_cmv) (struct uea_softc *, struct intr_pkt *); |
| void (*schedule_load_page) (struct uea_softc *, struct intr_pkt *); |
| int (*stat) (struct uea_softc *); |
| int (*send_cmvs) (struct uea_softc *); |
| |
| /* 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 |
| |
| #define ELSA_PID_A_PREFIRM 0x3352 |
| #define ELSA_PID_A_PSTFIRM 0x3353 |
| #define ELSA_PID_B_PREFIRM 0x3362 |
| #define ELSA_PID_B_PSTFIRM 0x3363 |
| |
| /* |
| * Devolo IDs : pots if (pid & 0x10) |
| */ |
| #define DEVOLO_VID 0x1039 |
| #define DEVOLO_EAGLE_I_A_PID_PSTFIRM 0x2110 |
| #define DEVOLO_EAGLE_I_A_PID_PREFIRM 0x2111 |
| |
| #define DEVOLO_EAGLE_I_B_PID_PSTFIRM 0x2100 |
| #define DEVOLO_EAGLE_I_B_PID_PREFIRM 0x2101 |
| |
| #define DEVOLO_EAGLE_II_A_PID_PSTFIRM 0x2130 |
| #define DEVOLO_EAGLE_II_A_PID_PREFIRM 0x2131 |
| |
| #define DEVOLO_EAGLE_II_B_PID_PSTFIRM 0x2120 |
| #define DEVOLO_EAGLE_II_B_PID_PREFIRM 0x2121 |
| |
| /* |
| * Reference design USB IDs |
| */ |
| #define ANALOG_VID 0x1110 |
| #define ADI930_PID_PREFIRM 0x9001 |
| #define ADI930_PID_PSTFIRM 0x9000 |
| |
| #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 */ |
| |
| #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */ |
| #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */ |
| |
| #define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */ |
| #define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */ |
| |
| /* |
| * 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) |
| #define AUTO_ANNEX_A (1<<8) |
| #define AUTO_ANNEX_B (1<<9) |
| |
| enum { |
| ADI930 = 0, |
| EAGLE_I, |
| EAGLE_II, |
| EAGLE_III, |
| EAGLE_IV |
| }; |
| |
| /* 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(x) \ |
| ((x)->annex & ANNEXB) |
| |
| #define INS_TO_USBDEV(ins) (ins->usb_dev) |
| |
| #define GET_STATUS(data) \ |
| ((data >> 8) & 0xf) |
| |
| #define IS_OPERATIONAL(sc) \ |
| ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \ |
| (GET_STATUS(sc->stats.phy.state) == 2) : \ |
| (sc->stats.phy.state == 7)) |
| |
| /* |
| * 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_DIR "ueagle-atm/" |
| #define EAGLE_FIRMWARE FW_DIR "eagle.fw" |
| #define ADI930_FIRMWARE FW_DIR "adi930.fw" |
| #define EAGLE_I_FIRMWARE FW_DIR "eagleI.fw" |
| #define EAGLE_II_FIRMWARE FW_DIR "eagleII.fw" |
| #define EAGLE_III_FIRMWARE FW_DIR "eagleIII.fw" |
| #define EAGLE_IV_FIRMWARE FW_DIR "eagleIV.fw" |
| |
| #define DSP4I_FIRMWARE FW_DIR "DSP4i.bin" |
| #define DSP4P_FIRMWARE FW_DIR "DSP4p.bin" |
| #define DSP9I_FIRMWARE FW_DIR "DSP9i.bin" |
| #define DSP9P_FIRMWARE FW_DIR "DSP9p.bin" |
| #define DSPEI_FIRMWARE FW_DIR "DSPei.bin" |
| #define DSPEP_FIRMWARE FW_DIR "DSPep.bin" |
| #define FPGA930_FIRMWARE FW_DIR "930-fpga.bin" |
| |
| #define CMV4P_FIRMWARE FW_DIR "CMV4p.bin" |
| #define CMV4PV2_FIRMWARE FW_DIR "CMV4p.bin.v2" |
| #define CMV4I_FIRMWARE FW_DIR "CMV4i.bin" |
| #define CMV4IV2_FIRMWARE FW_DIR "CMV4i.bin.v2" |
| #define CMV9P_FIRMWARE FW_DIR "CMV9p.bin" |
| #define CMV9PV2_FIRMWARE FW_DIR "CMV9p.bin.v2" |
| #define CMV9I_FIRMWARE FW_DIR "CMV9i.bin" |
| #define CMV9IV2_FIRMWARE FW_DIR "CMV9i.bin.v2" |
| #define CMVEP_FIRMWARE FW_DIR "CMVep.bin" |
| #define CMVEPV2_FIRMWARE FW_DIR "CMVep.bin.v2" |
| #define CMVEI_FIRMWARE FW_DIR "CMVei.bin" |
| #define CMVEIV2_FIRMWARE FW_DIR "CMVei.bin.v2" |
| |
| #define UEA_FW_NAME_MAX 30 |
| #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_E1_SET_BLOCK 0x0001 |
| #define UEA_E4_SET_BLOCK 0x002c |
| #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) |
| |
| /* block information in eagle4 dsp firmware */ |
| struct block_index { |
| __le32 PageOffset; |
| __le32 NotLastBlock; |
| __le32 dummy; |
| __le32 PageSize; |
| __le32 PageAddress; |
| __le16 dummy1; |
| __le16 PageNumber; |
| } __packed; |
| |
| #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000) |
| #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4) |
| |
| #define E4_L1_STRING_HEADER 0x10 |
| #define E4_MAX_PAGE_NUMBER 0x58 |
| #define E4_NO_SWAPPAGE_HEADERS 0x31 |
| |
| /* l1_code is eagle4 dsp firmware format */ |
| struct l1_code { |
| u8 string_header[E4_L1_STRING_HEADER]; |
| u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER]; |
| struct block_index page_header[E4_NO_SWAPPAGE_HEADERS]; |
| u8 code[0]; |
| } __packed; |
| |
| /* structures describing a block within a DSP page */ |
| struct block_info_e1 { |
| __le16 wHdr; |
| __le16 wAddress; |
| __le16 wSize; |
| __le16 wOvlOffset; |
| __le16 wOvl; /* overlay */ |
| __le16 wLast; |
| } __packed; |
| #define E1_BLOCK_INFO_SIZE 12 |
| |
| struct block_info_e4 { |
| __be16 wHdr; |
| __u8 bBootPage; |
| __u8 bPageNumber; |
| __be32 dwSize; |
| __be32 dwAddress; |
| __be16 wReserved; |
| } __packed; |
| #define E4_BLOCK_INFO_SIZE 14 |
| |
| #define UEA_BIHDR 0xabcd |
| #define UEA_RESERVED 0xffff |
| |
| /* constants describing cmv type */ |
| #define E1_PREAMBLE 0x535c |
| #define E1_MODEMTOHOST 0x01 |
| #define E1_HOSTTOMODEM 0x10 |
| |
| #define E1_MEMACCESS 0x1 |
| #define E1_ADSLDIRECTIVE 0x7 |
| #define E1_FUNCTION_TYPE(f) ((f) >> 4) |
| #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f) |
| |
| #define E4_MEMACCESS 0 |
| #define E4_ADSLDIRECTIVE 0xf |
| #define E4_FUNCTION_TYPE(f) ((f) >> 8) |
| #define E4_FUNCTION_SIZE(f) ((f) & 0x0f) |
| #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f) |
| |
| /* for MEMACCESS */ |
| #define E1_REQUESTREAD 0x0 |
| #define E1_REQUESTWRITE 0x1 |
| #define E1_REPLYREAD 0x2 |
| #define E1_REPLYWRITE 0x3 |
| |
| #define E4_REQUESTREAD 0x0 |
| #define E4_REQUESTWRITE 0x4 |
| #define E4_REPLYREAD (E4_REQUESTREAD | 1) |
| #define E4_REPLYWRITE (E4_REQUESTWRITE | 1) |
| |
| /* for ADSLDIRECTIVE */ |
| #define E1_KERNELREADY 0x0 |
| #define E1_MODEMREADY 0x1 |
| |
| #define E4_KERNELREADY 0x0 |
| #define E4_MODEMREADY 0x1 |
| |
| #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf)) |
| #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \ |
| ((st) & 0xf) << 4 | ((s) & 0xf)) |
| |
| #define E1_MAKESA(a, b, c, d) \ |
| (((c) & 0xff) << 24 | \ |
| ((d) & 0xff) << 16 | \ |
| ((a) & 0xff) << 8 | \ |
| ((b) & 0xff)) |
| |
| #define E1_GETSA1(a) ((a >> 8) & 0xff) |
| #define E1_GETSA2(a) (a & 0xff) |
| #define E1_GETSA3(a) ((a >> 24) & 0xff) |
| #define E1_GETSA4(a) ((a >> 16) & 0xff) |
| |
| #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L') |
| #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G') |
| #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O') |
| #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N') |
| #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E') |
| #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T') |
| |
| #define E4_SA_CNTL 1 |
| #define E4_SA_STAT 2 |
| #define E4_SA_INFO 3 |
| #define E4_SA_TEST 4 |
| #define E4_SA_OPTN 5 |
| #define E4_SA_RATE 6 |
| #define E4_SA_DIAG 7 |
| #define E4_SA_CNFG 8 |
| |
| /* structures representing a CMV (Configuration and Management Variable) */ |
| struct cmv_e1 { |
| __le16 wPreamble; |
| __u8 bDirection; |
| __u8 bFunction; |
| __le16 wIndex; |
| __le32 dwSymbolicAddress; |
| __le16 wOffsetAddress; |
| __le32 dwData; |
| } __packed; |
| |
| struct cmv_e4 { |
| __be16 wGroup; |
| __be16 wFunction; |
| __be16 wOffset; |
| __be16 wAddress; |
| __be32 dwData[6]; |
| } __packed; |
| |
| /* structures representing swap information */ |
| struct swap_info_e1 { |
| __u8 bSwapPageNo; |
| __u8 bOvl; /* overlay */ |
| } __packed; |
| |
| struct swap_info_e4 { |
| __u8 bSwapPageNo; |
| } __packed; |
| |
| /* structures representing interrupt data */ |
| #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo |
| #define e1_bOvl u.e1.s1.swapinfo.bOvl |
| #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo |
| |
| #define INT_LOADSWAPPAGE 0x0001 |
| #define INT_INCOMINGCMV 0x0002 |
| |
| union intr_data_e1 { |
| struct { |
| struct swap_info_e1 swapinfo; |
| __le16 wDataSize; |
| } __packed s1; |
| struct { |
| struct cmv_e1 cmv; |
| __le16 wDataSize; |
| } __packed s2; |
| } __packed; |
| |
| union intr_data_e4 { |
| struct { |
| struct swap_info_e4 swapinfo; |
| __le16 wDataSize; |
| } __packed s1; |
| struct { |
| struct cmv_e4 cmv; |
| __le16 wDataSize; |
| } __packed s2; |
| } __packed; |
| |
| struct intr_pkt { |
| __u8 bType; |
| __u8 bNotification; |
| __le16 wValue; |
| __le16 wIndex; |
| __le16 wLength; |
| __le16 wInterrupt; |
| union { |
| union intr_data_e1 e1; |
| union intr_data_e4 e4; |
| } u; |
| } __packed; |
| |
| #define E1_INTR_PKT_SIZE 28 |
| #define E4_INTR_PKT_SIZE 64 |
| |
| static struct usb_driver uea_driver; |
| static DEFINE_MUTEX(uea_mutex); |
| static const char * const chip_name[] = { |
| "ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"}; |
| |
| static int modem_index; |
| static unsigned int debug; |
| static unsigned int altsetting[NB_MODEM] = { |
| [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF}; |
| static bool sync_wait[NB_MODEM]; |
| static char *cmv_file[NB_MODEM]; |
| static int annex[NB_MODEM]; |
| |
| module_param(debug, uint, 0644); |
| MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); |
| module_param_array(altsetting, uint, NULL, 0644); |
| MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, " |
| "1=isoc slowest, ... , 8=isoc fastest (default)"); |
| 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"); |
| module_param_array(annex, uint, NULL, 0644); |
| MODULE_PARM_DESC(annex, |
| "manually set annex a/b (0=auto, 1=annex a, 2=annex b)"); |
| |
| #define uea_wait(sc, cond, timeo) \ |
| ({ \ |
| int _r = wait_event_interruptible_timeout(sc->sync_q, \ |
| (cond) || kthread_should_stop(), timeo); \ |
| if (kthread_should_stop()) \ |
| _r = -ENODEV; \ |
| _r; \ |
| }) |
| |
| #define UPDATE_ATM_STAT(type, val) \ |
| do { \ |
| if (sc->usbatm->atm_dev) \ |
| sc->usbatm->atm_dev->type = val; \ |
| } while (0) |
| |
| #define UPDATE_ATM_SIGNAL(val) \ |
| do { \ |
| if (sc->usbatm->atm_dev) \ |
| atm_dev_signal_change(sc->usbatm->atm_dev, 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, const u8 *buff) |
| { |
| int ret = -ENOMEM; |
| u8 *xfer_buff; |
| |
| xfer_buff = kmemdup(buff, size, GFP_KERNEL); |
| if (xfer_buff) { |
| 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; |
| const u8 *pfw; |
| u8 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 = get_unaligned_le32(pfw); |
| pfw += 4; |
| size -= 4; |
| if (crc32_be(0, pfw, size) != crc) |
| goto err_fw_corrupted; |
| |
| /* |
| * Start to upload firmware : 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 = get_unaligned_le16(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"); |
| |
| goto err; |
| |
| err_fw_corrupted: |
| uea_err(usb, "firmware is corrupted\n"); |
| err: |
| release_firmware(fw_entry); |
| 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 = EAGLE_FIRMWARE; |
| |
| uea_enters(usb); |
| uea_info(usb, "pre-firmware device, uploading firmware\n"); |
| |
| switch (ver) { |
| case ADI930: |
| fw_name = ADI930_FIRMWARE; |
| break; |
| case EAGLE_I: |
| fw_name = EAGLE_I_FIRMWARE; |
| break; |
| case EAGLE_II: |
| fw_name = EAGLE_II_FIRMWARE; |
| break; |
| case EAGLE_III: |
| fw_name = EAGLE_III_FIRMWARE; |
| break; |
| case EAGLE_IV: |
| fw_name = EAGLE_IV_FIRMWARE; |
| break; |
| } |
| |
| ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, |
| GFP_KERNEL, 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_e1(const 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 = get_unaligned_le32(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 = get_unaligned_le16(dsp + pp); |
| pp += 2; |
| |
| /* enough space for block data? */ |
| if (pp + blocksize > len) |
| return 1; |
| |
| pp += blocksize; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int check_dsp_e4(const u8 *dsp, int len) |
| { |
| int i; |
| struct l1_code *p = (struct l1_code *) dsp; |
| unsigned int sum = p->code - dsp; |
| |
| if (len < sum) |
| return 1; |
| |
| if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 && |
| strcmp("STRATIPHY ANEXB", p->string_header) != 0) |
| return 1; |
| |
| for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) { |
| struct block_index *blockidx; |
| u8 blockno = p->page_number_to_block_index[i]; |
| if (blockno >= E4_NO_SWAPPAGE_HEADERS) |
| continue; |
| |
| do { |
| u64 l; |
| |
| if (blockno >= E4_NO_SWAPPAGE_HEADERS) |
| return 1; |
| |
| blockidx = &p->page_header[blockno++]; |
| if ((u8 *)(blockidx + 1) - dsp >= len) |
| return 1; |
| |
| if (le16_to_cpu(blockidx->PageNumber) != i) |
| return 1; |
| |
| l = E4_PAGE_BYTES(blockidx->PageSize); |
| sum += l; |
| l += le32_to_cpu(blockidx->PageOffset); |
| if (l > len) |
| return 1; |
| |
| /* zero is zero regardless endianes */ |
| } while (blockidx->NotLastBlock); |
| } |
| |
| return (sum == len) ? 0 : 1; |
| } |
| |
| /* |
| * send data to the idma pipe |
| * */ |
| static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size) |
| { |
| int ret = -ENOMEM; |
| u8 *xfer_buff; |
| int bytes_read; |
| |
| xfer_buff = kmemdup(data, size, GFP_KERNEL); |
| if (!xfer_buff) { |
| uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); |
| return ret; |
| } |
| |
| 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) == EAGLE_IV) { |
| if (IS_ISDN(sc)) |
| dsp_name = DSP4I_FIRMWARE; |
| else |
| dsp_name = DSP4P_FIRMWARE; |
| } else if (UEA_CHIP_VERSION(sc) == ADI930) { |
| if (IS_ISDN(sc)) |
| dsp_name = DSP9I_FIRMWARE; |
| else |
| dsp_name = DSP9P_FIRMWARE; |
| } else { |
| if (IS_ISDN(sc)) |
| dsp_name = DSPEI_FIRMWARE; |
| else |
| dsp_name = DSPEP_FIRMWARE; |
| } |
| |
| 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 (UEA_CHIP_VERSION(sc) == EAGLE_IV) |
| ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size); |
| else |
| ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size); |
| |
| if (ret) { |
| 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_e1(struct work_struct *work) |
| { |
| struct uea_softc *sc = container_of(work, struct uea_softc, task); |
| u16 pageno = sc->pageno; |
| u16 ovl = sc->ovl; |
| struct block_info_e1 bi; |
| |
| const 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 = get_unaligned_le32(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 = get_unaligned_le16(p); |
| p += 2; |
| |
| blocksize = get_unaligned_le16(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, E1_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 void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot) |
| { |
| struct block_info_e4 bi; |
| struct block_index *blockidx; |
| struct l1_code *p = (struct l1_code *) sc->dsp_firm->data; |
| u8 blockno = p->page_number_to_block_index[pageno]; |
| |
| bi.wHdr = cpu_to_be16(UEA_BIHDR); |
| bi.bBootPage = boot; |
| bi.bPageNumber = pageno; |
| bi.wReserved = cpu_to_be16(UEA_RESERVED); |
| |
| do { |
| const u8 *blockoffset; |
| unsigned int blocksize; |
| |
| blockidx = &p->page_header[blockno]; |
| blocksize = E4_PAGE_BYTES(blockidx->PageSize); |
| blockoffset = sc->dsp_firm->data + le32_to_cpu( |
| blockidx->PageOffset); |
| |
| bi.dwSize = cpu_to_be32(blocksize); |
| bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress)); |
| |
| uea_dbg(INS_TO_USBDEV(sc), |
| "sending block %u for DSP page " |
| "%u size %u address %x\n", |
| blockno, pageno, blocksize, |
| le32_to_cpu(blockidx->PageAddress)); |
| |
| /* send block info through the IDMA pipe */ |
| if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) |
| goto bad; |
| |
| /* send block data through the IDMA pipe */ |
| if (uea_idma_write(sc, blockoffset, blocksize)) |
| goto bad; |
| |
| blockno++; |
| } while (blockidx->NotLastBlock); |
| |
| return; |
| |
| bad: |
| uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno); |
| return; |
| } |
| |
| static void uea_load_page_e4(struct work_struct *work) |
| { |
| struct uea_softc *sc = container_of(work, struct uea_softc, task); |
| u8 pageno = sc->pageno; |
| int i; |
| struct block_info_e4 bi; |
| struct l1_code *p; |
| |
| uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno); |
| |
| /* reload firmware when reboot start and it's loaded already */ |
| if (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 = (struct l1_code *) sc->dsp_firm->data; |
| if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) { |
| uea_err(INS_TO_USBDEV(sc), "invalid DSP " |
| "page %u requested\n", pageno); |
| return; |
| } |
| |
| if (pageno != 0) { |
| __uea_load_page_e4(sc, pageno, 0); |
| return; |
| } |
| |
| uea_dbg(INS_TO_USBDEV(sc), |
| "sending Main DSP page %u\n", p->page_header[0].PageNumber); |
| |
| for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) { |
| if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize)) |
| __uea_load_page_e4(sc, i, 1); |
| } |
| |
| uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n"); |
| |
| bi.wHdr = cpu_to_be16(UEA_BIHDR); |
| bi.bBootPage = 0; |
| bi.bPageNumber = 0xff; |
| bi.wReserved = cpu_to_be16(UEA_RESERVED); |
| bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize)); |
| bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress)); |
| |
| /* send block info through the IDMA pipe */ |
| if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) |
| uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n"); |
| } |
| |
| static inline void wake_up_cmv_ack(struct uea_softc *sc) |
| { |
| BUG_ON(sc->cmv_ack); |
| sc->cmv_ack = 1; |
| wake_up(&sc->sync_q); |
| } |
| |
| static inline int wait_cmv_ack(struct uea_softc *sc) |
| { |
| int ret = uea_wait(sc, 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, const void *data) |
| { |
| u8 *xfer_buff; |
| int ret = -ENOMEM; |
| |
| xfer_buff = kmemdup(data, size, GFP_KERNEL); |
| if (!xfer_buff) { |
| uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); |
| return ret; |
| } |
| |
| 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_e1(struct uea_softc *sc, |
| u8 function, u32 address, u16 offset, u32 data) |
| { |
| struct cmv_e1 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", |
| E1_FUNCTION_TYPE(function), |
| E1_FUNCTION_SUBTYPE(function), |
| E1_GETSA1(address), E1_GETSA2(address), |
| E1_GETSA3(address), |
| E1_GETSA4(address), offset, data); |
| |
| /* we send a request, but we expect a reply */ |
| sc->cmv_dsc.e1.function = function | 0x2; |
| sc->cmv_dsc.e1.idx++; |
| sc->cmv_dsc.e1.address = address; |
| sc->cmv_dsc.e1.offset = offset; |
| |
| cmv.wPreamble = cpu_to_le16(E1_PREAMBLE); |
| cmv.bDirection = E1_HOSTTOMODEM; |
| cmv.bFunction = function; |
| cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx); |
| put_unaligned_le32(address, &cmv.dwSymbolicAddress); |
| cmv.wOffsetAddress = cpu_to_le16(offset); |
| put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData); |
| |
| ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START, |
| sizeof(cmv), &cmv); |
| if (ret < 0) |
| return ret; |
| ret = wait_cmv_ack(sc); |
| uea_leaves(INS_TO_USBDEV(sc)); |
| return ret; |
| } |
| |
| static int uea_cmv_e4(struct uea_softc *sc, |
| u16 function, u16 group, u16 address, u16 offset, u32 data) |
| { |
| struct cmv_e4 cmv; |
| int ret; |
| |
| uea_enters(INS_TO_USBDEV(sc)); |
| memset(&cmv, 0, sizeof(cmv)); |
| |
| uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, " |
| "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n", |
| E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function), |
| group, address, offset, data); |
| |
| /* we send a request, but we expect a reply */ |
| sc->cmv_dsc.e4.function = function | (0x1 << 4); |
| sc->cmv_dsc.e4.offset = offset; |
| sc->cmv_dsc.e4.address = address; |
| sc->cmv_dsc.e4.group = group; |
| |
| cmv.wFunction = cpu_to_be16(function); |
| cmv.wGroup = cpu_to_be16(group); |
| cmv.wAddress = cpu_to_be16(address); |
| cmv.wOffset = cpu_to_be16(offset); |
| cmv.dwData[0] = cpu_to_be32(data); |
| |
| ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START, |
| sizeof(cmv), &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_e1(struct uea_softc *sc, |
| u32 address, u16 offset, u32 *data) |
| { |
| int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_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_read_cmv_e4(struct uea_softc *sc, |
| u8 size, u16 group, u16 address, u16 offset, u32 *data) |
| { |
| int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, |
| E4_REQUESTREAD, size), |
| group, address, offset, 0); |
| if (ret < 0) |
| uea_err(INS_TO_USBDEV(sc), |
| "reading cmv failed with error %d\n", ret); |
| else { |
| *data = sc->data; |
| /* size is in 16-bit word quantities */ |
| if (size > 2) |
| *(data + 1) = sc->data1; |
| } |
| return ret; |
| } |
| |
| static inline int uea_write_cmv_e1(struct uea_softc *sc, |
| u32 address, u16 offset, u32 data) |
| { |
| int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE), |
| address, offset, data); |
| if (ret < 0) |
| uea_err(INS_TO_USBDEV(sc), |
| "writing cmv failed with error %d\n", ret); |
| |
| return ret; |
| } |
| |
| static inline int uea_write_cmv_e4(struct uea_softc *sc, |
| u8 size, u16 group, u16 address, u16 offset, u32 data) |
| { |
| int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, |
| E4_REQUESTWRITE, size), |
| group, address, offset, data); |
| if (ret < 0) |
| uea_err(INS_TO_USBDEV(sc), |
| "writing cmv failed with error %d\n", ret); |
| |
| return ret; |
| } |
| |
| static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate) |
| { |
| int ret; |
| u16 timeout; |
| |
| /* in bulk mode the modem have problem with high rate |
| * changing internal timing could improve things, but the |
| * value is mysterious. |
| * ADI930 don't support it (-EPIPE error). |
| */ |
| |
| if (UEA_CHIP_VERSION(sc) == ADI930 || |
| altsetting[sc->modem_index] > 0 || |
| sc->stats.phy.dsrate == dsrate) |
| return; |
| |
| /* Original timming (1Mbit/s) from ADI (used in windows driver) */ |
| timeout = (dsrate <= 1024*1024) ? 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" : ""); |
| |
| } |
| |
| /* |
| * 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_e1(struct uea_softc *sc) |
| { |
| u32 data; |
| int ret; |
| |
| uea_enters(INS_TO_USBDEV(sc)); |
| data = sc->stats.phy.state; |
| |
| ret = uea_read_cmv_e1(sc, E1_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" |
| " (may be try other cmv/dsp)\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 |
| */ |
| release_firmware(sc->dsp_firm); |
| sc->dsp_firm = NULL; |
| } |
| |
| /* always update it as atm layer could not be init when we switch to |
| * operational state |
| */ |
| UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); |
| |
| /* wake up processes waiting for synchronization */ |
| wake_up(&sc->sync_q); |
| |
| ret = uea_read_cmv_e1(sc, E1_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_e1(sc, E1_SA_RATE, 0, &data); |
| if (ret < 0) |
| return ret; |
| |
| uea_set_bulk_timeout(sc, (data >> 16) * 32); |
| 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_e1(sc, E1_SA_DIAG, 23, &data); |
| if (ret < 0) |
| return ret; |
| sc->stats.phy.dsattenuation = (data & 0xff) / 2; |
| |
| ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data); |
| if (ret < 0) |
| return ret; |
| sc->stats.phy.usattenuation = (data & 0xff) / 2; |
| |
| ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin); |
| if (ret < 0) |
| return ret; |
| |
| ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin); |
| if (ret < 0) |
| return ret; |
| |
| ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow); |
| if (ret < 0) |
| return ret; |
| |
| ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow); |
| if (ret < 0) |
| return ret; |
| |
| ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc); |
| if (ret < 0) |
| return ret; |
| |
| /* only for atu-c */ |
| ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc); |
| if (ret < 0) |
| return ret; |
| |
| ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr); |
| if (ret < 0) |
| return ret; |
| |
| /* only for atu-c */ |
| ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr); |
| if (ret < 0) |
| return ret; |
| |
| ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco); |
| if (ret < 0) |
| return ret; |
| |
| ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int uea_stat_e4(struct uea_softc *sc) |
| { |
| u32 data; |
| u32 tmp_arr[2]; |
| int ret; |
| |
| uea_enters(INS_TO_USBDEV(sc)); |
| data = sc->stats.phy.state; |
| |
| /* XXX only need to be done before operationnal... */ |
| ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state); |
| if (ret < 0) |
| return ret; |
| |
| switch (sc->stats.phy.state) { |
| case 0x0: /* not yet synchronized */ |
| case 0x1: |
| case 0x3: |
| case 0x4: |
| uea_dbg(INS_TO_USBDEV(sc), "modem not yet " |
| "synchronized\n"); |
| return 0; |
| case 0x5: /* initialization */ |
| case 0x6: |
| case 0x9: |
| case 0xa: |
| uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); |
| return 0; |
| case 0x2: /* fail ... */ |
| uea_info(INS_TO_USBDEV(sc), "modem synchronization " |
| "failed (may be try other cmv/dsp)\n"); |
| return -EAGAIN; |
| case 0x7: /* operational */ |
| break; |
| default: |
| uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n", |
| sc->stats.phy.state); |
| return 0; |
| } |
| |
| if (data != 7) { |
| 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 |
| */ |
| release_firmware(sc->dsp_firm); |
| sc->dsp_firm = NULL; |
| } |
| |
| /* always update it as atm layer could not be init when we switch to |
| * operational state |
| */ |
| UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); |
| |
| /* wake up processes waiting for synchronization */ |
| wake_up(&sc->sync_q); |
| |
| /* TODO improve this state machine : |
| * we need some CMV info : what they do and their unit |
| * we should find the equivalent of eagle3- CMV |
| */ |
| /* check flags */ |
| ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &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); |
| if (sc->stats.phy.flags & 1) /* delineation LOSS */ |
| return -EAGAIN; |
| if (sc->stats.phy.flags & 0x4000) /* Reset Flag */ |
| return -EAGAIN; |
| return 0; |
| } |
| |
| /* rate data may be in upper or lower half of 64 bit word, strange */ |
| ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr); |
| if (ret < 0) |
| return ret; |
| data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; |
| sc->stats.phy.usrate = data / 1000; |
| |
| ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr); |
| if (ret < 0) |
| return ret; |
| data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; |
| uea_set_bulk_timeout(sc, data / 1000); |
| sc->stats.phy.dsrate = data / 1000; |
| UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); |
| |
| ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data); |
| if (ret < 0) |
| return ret; |
| sc->stats.phy.dsattenuation = data / 10; |
| |
| ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data); |
| if (ret < 0) |
| return ret; |
| sc->stats.phy.usattenuation = data / 10; |
| |
| ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data); |
| if (ret < 0) |
| return ret; |
| sc->stats.phy.dsmargin = data / 2; |
| |
| ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data); |
| if (ret < 0) |
| return ret; |
| sc->stats.phy.usmargin = data / 10; |
| |
| return 0; |
| } |
| |
| static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver) |
| { |
| char file_arr[] = "CMVxy.bin"; |
| char *file; |
| |
| kparam_block_sysfs_write(cmv_file); |
| /* set proper name corresponding modem version and line type */ |
| if (cmv_file[sc->modem_index] == NULL) { |
| if (UEA_CHIP_VERSION(sc) == ADI930) |
| file_arr[3] = '9'; |
| else if (UEA_CHIP_VERSION(sc) == EAGLE_IV) |
| file_arr[3] = '4'; |
| else |
| file_arr[3] = 'e'; |
| |
| file_arr[4] = IS_ISDN(sc) ? 'i' : 'p'; |
| file = file_arr; |
| } else |
| file = cmv_file[sc->modem_index]; |
| |
| strcpy(cmv_name, FW_DIR); |
| strlcat(cmv_name, file, UEA_FW_NAME_MAX); |
| if (ver == 2) |
| strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX); |
| kparam_unblock_sysfs_write(cmv_file); |
| } |
| |
| static int request_cmvs_old(struct uea_softc *sc, |
| void **cmvs, const struct firmware **fw) |
| { |
| int ret, size; |
| u8 *data; |
| char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ |
| |
| cmvs_file_name(sc, cmv_name, 1); |
| 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 = (*fw)->size; |
| if (size < 1) |
| goto err_fw_corrupted; |
| |
| if (size != *data * sizeof(struct uea_cmvs_v1) + 1) |
| goto err_fw_corrupted; |
| |
| *cmvs = (void *)(data + 1); |
| return *data; |
| |
| err_fw_corrupted: |
| uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); |
| release_firmware(*fw); |
| return -EILSEQ; |
| } |
| |
| static int request_cmvs(struct uea_softc *sc, |
| void **cmvs, const struct firmware **fw, int *ver) |
| { |
| int ret, size; |
| u32 crc; |
| u8 *data; |
| char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ |
| |
| cmvs_file_name(sc, cmv_name, 2); |
| ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); |
| if (ret < 0) { |
| /* if caller can handle old version, try to provide it */ |
| if (*ver == 1) { |
| uea_warn(INS_TO_USBDEV(sc), "requesting " |
| "firmware %s failed, " |
| "try to get older cmvs\n", cmv_name); |
| return request_cmvs_old(sc, cmvs, fw); |
| } |
| uea_err(INS_TO_USBDEV(sc), |
| "requesting firmware %s failed with error %d\n", |
| cmv_name, ret); |
| return ret; |
| } |
| |
| size = (*fw)->size; |
| data = (u8 *) (*fw)->data; |
| if (size < 4 || strncmp(data, "cmv2", 4) != 0) { |
| if (*ver == 1) { |
| uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted," |
| " try to get older cmvs\n", cmv_name); |
| release_firmware(*fw); |
| return request_cmvs_old(sc, cmvs, fw); |
| } |
| goto err_fw_corrupted; |
| } |
| |
| *ver = 2; |
| |
| data += 4; |
| size -= 4; |
| if (size < 5) |
| goto err_fw_corrupted; |
| |
| crc = get_unaligned_le32(data); |
| data += 4; |
| size -= 4; |
| if (crc32_be(0, data, size) != crc) |
| goto err_fw_corrupted; |
| |
| if (size != *data * sizeof(struct uea_cmvs_v2) + 1) |
| goto err_fw_corrupted; |
| |
| *cmvs = (void *) (data + 1); |
| return *data; |
| |
| err_fw_corrupted: |
| uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); |
| release_firmware(*fw); |
| return -EILSEQ; |
| } |
| |
| static int uea_send_cmvs_e1(struct uea_softc *sc) |
| { |
| int i, ret, len; |
| void *cmvs_ptr; |
| const struct firmware *cmvs_fw; |
| int ver = 1; /* we can handle v1 cmv firmware version; */ |
| |
| /* Enter in R-IDLE (cmv) until instructed otherwise */ |
| ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1); |
| if (ret < 0) |
| return ret; |
| |
| /* Dump firmware version */ |
| ret = uea_read_cmv_e1(sc, E1_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); |
| |
| /* get options */ |
| ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); |
| if (ret < 0) |
| return ret; |
| |
| /* send options */ |
| if (ver == 1) { |
| struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr; |
| |
| uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, " |
| "please update your firmware\n"); |
| |
| for (i = 0; i < len; i++) { |
| ret = uea_write_cmv_e1(sc, |
| get_unaligned_le32(&cmvs_v1[i].address), |
| get_unaligned_le16(&cmvs_v1[i].offset), |
| get_unaligned_le32(&cmvs_v1[i].data)); |
| if (ret < 0) |
| goto out; |
| } |
| } else if (ver == 2) { |
| struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; |
| |
| for (i = 0; i < len; i++) { |
| ret = uea_write_cmv_e1(sc, |
| get_unaligned_le32(&cmvs_v2[i].address), |
| (u16) get_unaligned_le32(&cmvs_v2[i].offset), |
| get_unaligned_le32(&cmvs_v2[i].data)); |
| if (ret < 0) |
| goto out; |
| } |
| } else { |
| /* This really should not happen */ |
| uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); |
| goto out; |
| } |
| |
| /* Enter in R-ACT-REQ */ |
| ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2); |
| uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); |
| uea_info(INS_TO_USBDEV(sc), "modem started, waiting " |
| "synchronization...\n"); |
| out: |
| release_firmware(cmvs_fw); |
| return ret; |
| } |
| |
| static int uea_send_cmvs_e4(struct uea_softc *sc) |
| { |
| int i, ret, len; |
| void *cmvs_ptr; |
| const struct firmware *cmvs_fw; |
| int ver = 2; /* we can only handle v2 cmv firmware version; */ |
| |
| /* Enter in R-IDLE (cmv) until instructed otherwise */ |
| ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1); |
| if (ret < 0) |
| return ret; |
| |
| /* Dump firmware version */ |
| /* XXX don't read the 3th byte as it is always 6 */ |
| ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &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); |
| |
| |
| /* get options */ |
| ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); |
| if (ret < 0) |
| return ret; |
| |
| /* send options */ |
| if (ver == 2) { |
| struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; |
| |
| for (i = 0; i < len; i++) { |
| ret = uea_write_cmv_e4(sc, 1, |
| get_unaligned_le32(&cmvs_v2[i].group), |
| get_unaligned_le32(&cmvs_v2[i].address), |
| get_unaligned_le32(&cmvs_v2[i].offset), |
| get_unaligned_le32(&cmvs_v2[i].data)); |
| if (ret < 0) |
| goto out; |
| } |
| } else { |
| /* This really should not happen */ |
| uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); |
| goto out; |
| } |
| |
| /* Enter in R-ACT-REQ */ |
| ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2); |
| uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); |
| uea_info(INS_TO_USBDEV(sc), "modem started, waiting " |
| "synchronization...\n"); |
| out: |
| release_firmware(cmvs_fw); |
| return ret; |
| } |
| |
| /* 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 ret; |
| |
| 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 occurred, |
| * 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_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 */ |
| ret = uea_wait(sc, 0, msecs_to_jiffies(100)); |
| if (ret < 0) |
| return ret; |
| |
| /* leave reset mode */ |
| uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL); |
| |
| if (UEA_CHIP_VERSION(sc) != EAGLE_IV) { |
| /* 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); |
| } |
| |
| ret = uea_wait(sc, 0, msecs_to_jiffies(1000)); |
| if (ret < 0) |
| return ret; |
| |
| if (UEA_CHIP_VERSION(sc) == EAGLE_IV) |
| sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, |
| E4_MODEMREADY, 1); |
| else |
| sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, |
| E1_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"); |
| |
| ret = sc->send_cmvs(sc); |
| if (ret < 0) |
| return ret; |
| |
| 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; |
| |
| set_freezable(); |
| uea_enters(INS_TO_USBDEV(sc)); |
| while (!kthread_should_stop()) { |
| if (ret < 0 || sc->reset) |
| ret = uea_start_reset(sc); |
| if (!ret) |
| ret = sc->stat(sc); |
| if (ret != -EAGAIN) |
| uea_wait(sc, 0, msecs_to_jiffies(1000)); |
| try_to_freeze(); |
| } |
| 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; |
| const u8 *pfw; |
| u8 value; |
| char *fw_name = FPGA930_FIRMWARE; |
| |
| 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_e1(struct uea_softc *sc, struct intr_pkt *intr) |
| { |
| struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1; |
| struct cmv_e1 *cmv = &intr->u.e1.s2.cmv; |
| |
| uea_enters(INS_TO_USBDEV(sc)); |
| if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE) |
| goto bad1; |
| |
| if (cmv->bDirection != E1_MODEMTOHOST) |
| goto bad1; |
| |
| /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to |
| * the first MEMACCESS cmv. Ignore it... |
| */ |
| if (cmv->bFunction != dsc->function) { |
| if (UEA_CHIP_VERSION(sc) == ADI930 |
| && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) { |
| cmv->wIndex = cpu_to_le16(dsc->idx); |
| put_unaligned_le32(dsc->address, |
| &cmv->dwSymbolicAddress); |
| cmv->wOffsetAddress = cpu_to_le16(dsc->offset); |
| } else |
| goto bad2; |
| } |
| |
| if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, |
| E1_MODEMREADY)) { |
| wake_up_cmv_ack(sc); |
| uea_leaves(INS_TO_USBDEV(sc)); |
| return; |
| } |
| |
| /* in case of MEMACCESS */ |
| if (le16_to_cpu(cmv->wIndex) != dsc->idx || |
| get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address || |
| le16_to_cpu(cmv->wOffsetAddress) != dsc->offset) |
| goto bad2; |
| |
| sc->data = get_unaligned_le32(&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", |
| E1_FUNCTION_TYPE(cmv->bFunction), |
| E1_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)); |
| } |
| |
| /* The modem send us an ack. First with check if it right */ |
| static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr) |
| { |
| struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4; |
| struct cmv_e4 *cmv = &intr->u.e4.s2.cmv; |
| |
| uea_enters(INS_TO_USBDEV(sc)); |
| uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n", |
| be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction), |
| be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress), |
| be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1])); |
| |
| if (be16_to_cpu(cmv->wFunction) != dsc->function) |
| goto bad2; |
| |
| if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, |
| E4_MODEMREADY, 1)) { |
| wake_up_cmv_ack(sc); |
| uea_leaves(INS_TO_USBDEV(sc)); |
| return; |
| } |
| |
| /* in case of MEMACCESS */ |
| if (be16_to_cpu(cmv->wOffset) != dsc->offset || |
| be16_to_cpu(cmv->wGroup) != dsc->group || |
| be16_to_cpu(cmv->wAddress) != dsc->address) |
| goto bad2; |
| |
| sc->data = be32_to_cpu(cmv->dwData[0]); |
| sc->data1 = be32_to_cpu(cmv->dwData[1]); |
| 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", |
| E4_FUNCTION_TYPE(cmv->wFunction), |
| E4_FUNCTION_SUBTYPE(cmv->wFunction)); |
| uea_leaves(INS_TO_USBDEV(sc)); |
| return; |
| } |
| |
| static void uea_schedule_load_page_e1(struct uea_softc *sc, |
| struct intr_pkt *intr) |
| { |
| sc->pageno = intr->e1_bSwapPageNo; |
| sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4; |
| schedule_work(&sc->task); |
| } |
| |
| static void uea_schedule_load_page_e4(struct uea_softc *sc, |
| struct intr_pkt *intr) |
| { |
| sc->pageno = intr->e4_bSwapPageNo; |
| schedule_work(&sc->task); |
| } |
| |
| /* |
| * interrupt handler |
| */ |
| static void uea_intr(struct urb *urb) |
| { |
| struct uea_softc *sc = urb->context; |
| struct intr_pkt *intr = urb->transfer_buffer; |
| int status = urb->status; |
| |
| uea_enters(INS_TO_USBDEV(sc)); |
| |
| if (unlikely(status < 0)) { |
| uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", |
| 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->schedule_load_page(sc, intr); |
| break; |
| |
| case INT_INCOMINGCMV: |
| sc->dispatch_cmv(sc, intr); |
| 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, size; |
| struct intr_pkt *intr; |
| |
| uea_enters(INS_TO_USBDEV(sc)); |
| |
| if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { |
| size = E4_INTR_PKT_SIZE; |
| sc->dispatch_cmv = uea_dispatch_cmv_e4; |
| sc->schedule_load_page = uea_schedule_load_page_e4; |
| sc->stat = uea_stat_e4; |
| sc->send_cmvs = uea_send_cmvs_e4; |
| INIT_WORK(&sc->task, uea_load_page_e4); |
| } else { |
| size = E1_INTR_PKT_SIZE; |
| sc->dispatch_cmv = uea_dispatch_cmv_e1; |
| sc->schedule_load_page = uea_schedule_load_page_e1; |
| sc->stat = uea_stat_e1; |
| sc->send_cmvs = uea_send_cmvs_e1; |
| INIT_WORK(&sc->task, uea_load_page_e1); |
| } |
| |
| init_waitqueue_head(&sc->sync_q); |
| |
| if (UEA_CHIP_VERSION(sc) == ADI930) |
| load_XILINX_firmware(sc); |
| |
| intr = kmalloc(size, GFP_KERNEL); |
| if (!intr) { |
| uea_err(INS_TO_USBDEV(sc), |
| "cannot allocate interrupt package\n"); |
| goto err0; |
| } |
| |
| 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 err1; |
| } |
| |
| usb_fill_int_urb(sc->urb_int, sc->usb_dev, |
| usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), |
| intr, 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 err1; |
| } |
| |
| /* Create worker thread, but don't start it here. Start it after |
| * all usbatm generic initialization is done. |
| */ |
| sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm"); |
| if (IS_ERR(sc->kthread)) { |
| 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); |
| err1: |
| usb_free_urb(sc->urb_int); |
| sc->urb_int = NULL; |
| kfree(intr); |
| err0: |
| 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); |
| |
| 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); |
| |
| /* flush the work item, when no one can schedule it */ |
| flush_work(&sc->task); |
| |
| 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_IWUSR | S_IRUGO, read_status, reboot); |
| |
| static ssize_t read_human_status(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int ret = -ENODEV; |
| int modem_state; |
| struct uea_softc *sc; |
| |
| mutex_lock(&uea_mutex); |
| sc = dev_to_uea(dev); |
| if (!sc) |
| goto out; |
| |
| if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { |
| switch (sc->stats.phy.state) { |
| case 0x0: /* not yet synchronized */ |
| case 0x1: |
| case 0x3: |
| case 0x4: |
| modem_state = 0; |
| break; |
| case 0x5: /* initialization */ |
| case 0x6: |
| case 0x9: |
| case 0xa: |
| modem_state = 1; |
| break; |
| case 0x7: /* operational */ |
| modem_state = 2; |
| break; |
| case 0x2: /* fail ... */ |
| modem_state = 3; |
| break; |
| default: /* unknown */ |
| modem_state = 4; |
| break; |
| } |
| } else |
| modem_state = GET_STATUS(sc->stats.phy.state); |
| |
| switch (modem_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; |
| case 3: |
| ret = sprintf(buf, "Modem synchronization failed\n"); |
| break; |
| default: |
| ret = sprintf(buf, "Modem state is unknown\n"); |
| break; |
| } |
| out: |
| mutex_unlock(&uea_mutex); |
| return ret; |
| } |
| |
| static DEVICE_ATTR(stat_human_status, 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; |
| char *delin = "GOOD"; |
| |
| mutex_lock(&uea_mutex); |
| sc = dev_to_uea(dev); |
| if (!sc) |
| goto out; |
| |
| if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { |
| if (sc->stats.phy.flags & 0x4000) |
| delin = "RESET"; |
| else if (sc->stats.phy.flags & 0x0001) |
| delin = "LOSS"; |
| } else { |
| if (sc->stats.phy.flags & 0x0C00) |
| delin = "ERROR"; |
| else if (sc->stats.phy.flags & 0x0030) |
| delin = "LOSS"; |
| } |
| |
| ret = sprintf(buf, "%s\n", delin); |
| out: |
| mutex_unlock(&uea_mutex); |
| return ret; |
| } |
| |
| static DEVICE_ATTR(stat_delin, 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); |
| UEA_ATTR(firmid, 0); |
| |
| /* Retrieve the device End System Identifier (MAC) */ |
| |
| 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] = hex_to_bin(mac_str[2 * i]) * 16 + |
| hex_to_bin(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_interruptible(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, |
| &dev_attr_stat_firmid.attr, |
| NULL, |
| }; |
| static struct attribute_group attr_grp = { |
| .attrs = attrs, |
| }; |
| |
| 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; |
| unsigned int alt; |
| |
| 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; |
| |
| /* first try to use module parameter */ |
| if (annex[sc->modem_index] == 1) |
| sc->annex = ANNEXA; |
| else if (annex[sc->modem_index] == 2) |
| sc->annex = ANNEXB; |
| /* try to autodetect annex */ |
| else if (sc->driver_info & AUTO_ANNEX_A) |
| sc->annex = ANNEXA; |
| else if (sc->driver_info & AUTO_ANNEX_B) |
| sc->annex = ANNEXB; |
| else |
| sc->annex = (le16_to_cpu |
| (sc->usb_dev->descriptor.bcdDevice) & 0x80) ? ANNEXB : ANNEXA; |
| |
| alt = altsetting[sc->modem_index]; |
| /* ADI930 don't support iso */ |
| if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) { |
| if (alt <= 8 && |
| usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) { |
| uea_dbg(usb, "set alternate %u for 2 interface\n", alt); |
| uea_info(usb, "using iso mode\n"); |
| usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ; |
| } else { |
| uea_err(usb, "setting alternate %u failed for " |
| "2 interface, using bulk mode\n", alt); |
| } |
| } |
| |
| ret = sysfs_create_group(&intf->dev.kobj, &attr_grp); |
| if (ret < 0) |
| goto error; |
| |
| ret = uea_boot(sc); |
| if (ret < 0) |
| goto error_rm_grp; |
| |
| return 0; |
| |
| error_rm_grp: |
| sysfs_remove_group(&intf->dev.kobj, &attr_grp); |
| error: |
| kfree(sc); |
| return ret; |
| } |
| |
| static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) |
| { |
| struct uea_softc *sc = usbatm->driver_data; |
| |
| sysfs_remove_group(&intf->dev.kobj, &attr_grp); |
| 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); |
| int ret; |
| |
| uea_enters(usb); |
| uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n", |
| le16_to_cpu(usb->descriptor.idVendor), |
| le16_to_cpu(usb->descriptor.idProduct), |
| le16_to_cpu(usb->descriptor.bcdDevice), |
| chip_name[UEA_CHIP_VERSION(id)]); |
| |
| usb_reset_device(usb); |
| |
| if (UEA_IS_PREFIRM(id)) |
| return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); |
| |
| ret = usbatm_usb_probe(intf, id, &uea_usbatm_driver); |
| if (ret == 0) { |
| struct usbatm_data *usbatm = usb_get_intfdata(intf); |
| struct uea_softc *sc = usbatm->driver_data; |
| |
| /* Ensure carrier is initialized to off as early as possible */ |
| UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); |
| |
| /* Only start the worker thread when all init is done */ |
| wake_up_process(sc->kthread); |
| } |
| |
| return ret; |
| } |
| |
| 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(ANALOG_VID, ADI930_PID_PREFIRM), |
| .driver_info = ADI930 | PREFIRM}, |
| {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM), |
| .driver_info = ADI930 | PSTFIRM}, |
| {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM), |
| .driver_info = EAGLE_I | PREFIRM}, |
| {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM), |
| .driver_info = EAGLE_I | PSTFIRM}, |
| {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM), |
| .driver_info = EAGLE_II | PREFIRM}, |
| {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM), |
| .driver_info = EAGLE_II | PSTFIRM}, |
| {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM), |
| .driver_info = EAGLE_II | PREFIRM}, |
| {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM), |
| .driver_info = EAGLE_II | PSTFIRM}, |
| {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM), |
| .driver_info = EAGLE_III | PREFIRM}, |
| {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM), |
| .driver_info = EAGLE_III | PSTFIRM}, |
| {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM), |
| .driver_info = EAGLE_IV | PREFIRM}, |
| {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM), |
| .driver_info = EAGLE_IV | PSTFIRM}, |
| {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM), |
| .driver_info = EAGLE_I | PREFIRM}, |
| {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM), |
| .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, |
| {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM), |
| .driver_info = EAGLE_I | PREFIRM}, |
| {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM), |
| .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, |
| {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM), |
| .driver_info = EAGLE_II | PREFIRM}, |
| {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM), |
| .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A}, |
| {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM), |
| .driver_info = EAGLE_II | PREFIRM}, |
| {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM), |
| .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B}, |
| {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), |
| .driver_info = ADI930 | PREFIRM}, |
| {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), |
| .driver_info = ADI930 | PSTFIRM}, |
| {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM), |
| .driver_info = ADI930 | PREFIRM}, |
| {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM), |
| .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A}, |
| {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM), |
| .driver_info = ADI930 | PREFIRM}, |
| {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM), |
| .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B}, |
| {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 | AUTO_ANNEX_A}, |
| {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 | AUTO_ANNEX_B}, |
| {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 | AUTO_ANNEX_A}, |
| {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 | AUTO_ANNEX_B}, |
| {} |
| }; |
| |
| /* |
| * 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); |
| |
| module_usb_driver(uea_driver); |
| |
| MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); |
| MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); |
| MODULE_LICENSE("Dual BSD/GPL"); |
| MODULE_FIRMWARE(EAGLE_FIRMWARE); |
| MODULE_FIRMWARE(ADI930_FIRMWARE); |
| MODULE_FIRMWARE(EAGLE_I_FIRMWARE); |
| MODULE_FIRMWARE(EAGLE_II_FIRMWARE); |
| MODULE_FIRMWARE(EAGLE_III_FIRMWARE); |
| MODULE_FIRMWARE(EAGLE_IV_FIRMWARE); |
| MODULE_FIRMWARE(DSP4I_FIRMWARE); |
| MODULE_FIRMWARE(DSP4P_FIRMWARE); |
| MODULE_FIRMWARE(DSP9I_FIRMWARE); |
| MODULE_FIRMWARE(DSP9P_FIRMWARE); |
| MODULE_FIRMWARE(DSPEI_FIRMWARE); |
| MODULE_FIRMWARE(DSPEP_FIRMWARE); |
| MODULE_FIRMWARE(FPGA930_FIRMWARE); |
| MODULE_FIRMWARE(CMV4P_FIRMWARE); |
| MODULE_FIRMWARE(CMV4PV2_FIRMWARE); |
| MODULE_FIRMWARE(CMV4I_FIRMWARE); |
| MODULE_FIRMWARE(CMV4IV2_FIRMWARE); |
| MODULE_FIRMWARE(CMV9P_FIRMWARE); |
| MODULE_FIRMWARE(CMV9PV2_FIRMWARE); |
| MODULE_FIRMWARE(CMV9I_FIRMWARE); |
| MODULE_FIRMWARE(CMV9IV2_FIRMWARE); |
| MODULE_FIRMWARE(CMVEP_FIRMWARE); |
| MODULE_FIRMWARE(CMVEPV2_FIRMWARE); |
| MODULE_FIRMWARE(CMVEI_FIRMWARE); |
| MODULE_FIRMWARE(CMVEIV2_FIRMWARE); |