Release 4.7 drivers/usb/atm/ueagle-atm.c

/*-
 * 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/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;
}

Contributors
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matthieu castet
matthieu castet
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david woodhouse
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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);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
301
95.56%
2
33.33%
johannes berg
johannes berg
8
2.54%
1
16.67%
david woodhouse
david woodhouse
3
0.95%
1
16.67%
harvey harrison
harvey harrison
2
0.63%
1
16.67%
nick andrew
nick andrew
1
0.32%
1
16.67%
Total
315
100.00%
6
100.00%

/**
 * 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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
120
88.89%
1
25.00%
stanislaw w. gruszka
stanislaw w. gruszka
7
5.19%
1
25.00%
tim gardner
tim gardner
6
4.44%
1
25.00%
johannes berg
johannes berg
2
1.48%
1
25.00%
Total
135
100.00%
4
100.00%

/* 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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
183
97.86%
1
25.00%
harvey harrison
harvey harrison
2
1.07%
1
25.00%
david woodhouse
david woodhouse
1
0.53%
1
25.00%
stanislaw w. gruszka
stanislaw w. gruszka
1
0.53%
1
25.00%
Total
187
100.00%
4
100.00%



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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
204
92.31%
1
33.33%
matthieu castet
matthieu castet
16
7.24%
1
33.33%
david woodhouse
david woodhouse
1
0.45%
1
33.33%
Total
221
100.00%
3
100.00%

/*
 * 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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
80
60.15%
1
33.33%
stanislaw w. gruszka
stanislaw w. gruszka
52
39.10%
1
33.33%
david woodhouse
david woodhouse
1
0.75%
1
33.33%
Total
133
100.00%
3
100.00%



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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
154
70.64%
1
33.33%
stanislaw w. gruszka
stanislaw w. gruszka
58
26.61%
1
33.33%
tim gardner
tim gardner
6
2.75%
1
33.33%
Total
218
100.00%
3
100.00%

/*
 * 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) {
		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);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
341
94.72%
1
20.00%
david howells
david howells
12
3.33%
1
20.00%
harvey harrison
harvey harrison
3
0.83%
1
20.00%
stanislaw w. gruszka
stanislaw w. gruszka
3
0.83%
1
20.00%
david woodhouse
david woodhouse
1
0.28%
1
20.00%
Total
360
100.00%
5
100.00%



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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
166
71.55%
1
14.29%
matthieu castet
matthieu castet
58
25.00%
2
28.57%
al viro
al viro
4
1.72%
1
14.29%
javier blanco de torres (neurowork)
javier blanco de torres (neurowork)
2
0.86%
1
14.29%
eric sesterhenn
eric sesterhenn
1
0.43%
1
14.29%
david woodhouse
david woodhouse
1
0.43%
1
14.29%
Total
232
100.00%
7
100.00%



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) {
		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");
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
223
68.40%
1
20.00%
matthieu castet
matthieu castet
94
28.83%
2
40.00%
al viro
al viro
7
2.15%
1
20.00%
javier blanco de torres (neurowork)
javier blanco de torres (neurowork)
2
0.61%
1
20.00%
Total
326
100.00%
5
100.00%



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);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
24
72.73%
2
50.00%
matthieu castet
matthieu castet
9
27.27%
2
50.00%
Total
33
100.00%
4
100.00%



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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
34
50.00%
1
33.33%
stanislaw w. gruszka
stanislaw w. gruszka
34
50.00%
2
66.67%
Total
68
100.00%
3
100.00%


#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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
82
51.57%
1
33.33%
matthieu castet
matthieu castet
76
47.80%
1
33.33%
david woodhouse
david woodhouse
1
0.63%
1
33.33%
Total
159
100.00%
3
100.00%



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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
169
69.83%
1
33.33%
matthieu castet
matthieu castet
71
29.34%
1
33.33%
harvey harrison
harvey harrison
2
0.83%
1
33.33%
Total
242
100.00%
3
100.00%



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;
}

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matthieu castet
8
3.57%
1
50.00%
Total
224
100.00%
2
100.00%



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;
}

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72
100.00%
1
100.00%



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;
}

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1
100.00%
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102
100.00%
1
100.00%



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;
}

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63
100.00%
1
100.00%



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;
}

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73
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1
100.00%



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" : "");

}

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99
99.00%
2
66.67%
lucas de marchi
lucas de marchi
1
1.00%
1
33.33%
Total
100
100.00%
3
100.00%

/*
 * 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;
}

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809
99.88%
1
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karl hiramoto
karl hiramoto
1
0.12%
1
50.00%
Total
810
100.00%
2
100.00%



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;
}

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stanislaw w. gruszka
stanislaw w. gruszka
658
98.95%
1
33.33%
javier blanco de torres (neurowork)
javier blanco de torres (neurowork)
6
0.90%
1
33.33%
karl hiramoto
karl hiramoto
1
0.15%
1
33.33%
Total
665
100.00%
3
100.00%



static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver)
{
	char file_arr[] = "CMVxy.bin";
	char *file;

	kernel_param_lock(THIS_MODULE);
	/* 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);
	kernel_param_unlock(THIS_MODULE);
}

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stanislaw w. gruszka
stanislaw w. gruszka
141
92.16%
1
25.00%
rusty russell
rusty russell
6
3.92%
1
25.00%
dan streetman
dan streetman
4
2.61%
1
25.00%
samuel ortiz
samuel ortiz
2
1.31%
1
25.00%
Total
153
100.00%
4
100.00%



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;
}

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stanislaw w. gruszka
stanislaw w. gruszka
178
99.44%
1
50.00%
samuel ortiz
samuel ortiz
1
0.56%
1
50.00%
Total
179
100.00%
2
100.00%



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;
}

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stanislaw w. gruszka
stanislaw w. gruszka
239
73.77%
1
20.00%
matthieu castet
matthieu castet
79
24.38%
1
20.00%
javier blanco de torres (neurowork)
javier blanco de torres (neurowork)
4
1.23%
1
20.00%
harvey harrison
harvey harrison
1
0.31%
1
20.00%
samuel ortiz
samuel ortiz
1
0.31%
1
20.00%
Total
324
100.00%
5
100.00%



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;
}

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matthieu castet
140
37.74%
1
20.00%
harvey harrison
harvey harrison
6
1.62%
1
20.00%
javier blanco de torres (neurowork)
javier blanco de torres (neurowork)
3
0.81%
1
20.00%
lucas de marchi
lucas de marchi
1
0.27%
1
20.00%
Total
371
100.00%
5
100.00%



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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
210
69.31%
1
16.67%
matthieu castet
matthieu castet
85
28.05%
2
33.33%
harvey harrison
harvey harrison
4
1.32%
1
16.67%
javier blanco de torres (neurowork)
javier blanco de torres (neurowork)
3
0.99%
1
16.67%
lucas de marchi
lucas de marchi
1
0.33%
1
16.67%
Total
303
100.00%
6
100.00%

/* 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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
254
70.17%
3
37.50%
stanislaw w. gruszka
stanislaw w. gruszka
105
29.01%
2
25.00%
tejun heo
tejun heo
1
0.28%
1
12.50%
lucas de marchi
lucas de marchi
1
0.28%
1
12.50%
karl hiramoto
karl hiramoto
1
0.28%
1
12.50%
Total
362
100.00%
8
100.00%

/*
 * 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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
104
98.11%
2
66.67%
matthieu castet
matthieu castet
2
1.89%
1
33.33%
Total
106
100.00%
3
100.00%

/* 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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
179
61.51%
1
14.29%
matthieu castet
matthieu castet
106
36.43%
3
42.86%
david woodhouse
david woodhouse
3
1.03%
1
14.29%
javier blanco de torres (neurowork)
javier blanco de torres (neurowork)
2
0.69%
1
14.29%
tim gardner
tim gardner
1
0.34%
1
14.29%
Total
291
100.00%
7
100.00%

/* 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));
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
230
69.91%
1
20.00%
matthieu castet
matthieu castet
94
28.57%
1
20.00%
harvey harrison
harvey harrison
3
0.91%
1
20.00%
andre goddard rosa
andre goddard rosa
1
0.30%
1
20.00%
joe perches
joe perches
1
0.30%
1
20.00%
Total
329
100.00%
5
100.00%

/* 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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
157
56.68%
2
50.00%
stanislaw w. gruszka
stanislaw w. gruszka
119
42.96%
1
25.00%
joe perches
joe perches
1
0.36%
1
25.00%
Total
277
100.00%
4
100.00%



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);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
43
89.58%
1
33.33%
matthieu castet
matthieu castet
4
8.33%
1
33.33%
tejun heo
tejun heo
1
2.08%
1
33.33%
Total
48
100.00%
3
100.00%



static void uea_schedule_load_page_e4(struct uea_softc *sc,
						struct intr_pkt *intr)
{
	sc->pageno = intr->e4_bSwapPageNo;
	schedule_work(&sc->task);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
24
75.00%
1
25.00%
matthieu castet
matthieu castet
7
21.88%
2
50.00%
tejun heo
tejun heo
1
3.12%
1
25.00%
Total
32
100.00%
4
100.00%

/*
 * 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);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
149
91.98%
2
50.00%
greg kroah-hartman
greg kroah-hartman
7
4.32%
1
25.00%
stanislaw w. gruszka
stanislaw w. gruszka
6
3.70%
1
25.00%
Total
162
100.00%
4
100.00%

/*
 * 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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
285
74.61%
2
40.00%
stanislaw w. gruszka
stanislaw w. gruszka
93
24.35%
2
40.00%
dan williams
dan williams
4
1.05%
1
20.00%
Total
382
100.00%
5
100.00%

/*
 * 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));
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
94
91.26%
2
40.00%
stanislaw w. gruszka
stanislaw w. gruszka
5
4.85%
1
20.00%
tejun heo
tejun heo
4
3.88%
2
40.00%
Total
103
100.00%
5
100.00%

/* 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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
58
100.00%
1
100.00%
Total
58
100.00%
1
100.00%



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;
}

Contributors
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matthieu castet
matthieu castet
78
95.12%
1
50.00%
arjan van de ven
arjan van de ven
4
4.88%
1
50.00%
Total
82
100.00%
2
100.00%



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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
73
94.81%
1
50.00%
arjan van de ven
arjan van de ven
4
5.19%
1
50.00%
Total
77
100.00%
2
100.00%

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;
}

Contributors
Person
Tokens
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CommitProp
matthieu castet
matthieu castet
123
52.79%
1
33.33%
stanislaw w. gruszka
stanislaw w. gruszka
106
45.49%
1
33.33%
arjan van de ven
arjan van de ven
4
1.72%
1
33.33%
Total
233
100.00%
3
100.00%

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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
96
60.00%
1
33.33%
stanislaw w. gruszka
stanislaw w. gruszka
60
37.50%
1
33.33%
arjan van de ven
arjan van de ven
4
2.50%
1
33.33%
Total
160
100.00%
3
100.00%

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;
}

Contributors
Person
Tokens
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matthieu castet
matthieu castet
103
98.10%
1
50.00%
andy shevchenko
andy shevchenko
2
1.90%
1
50.00%
Total
105
100.00%
2
100.00%

/* 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);
}

Contributors
Person
Tokens
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matthieu castet
matthieu castet
35
100.00%
1
100.00%
Total
35
100.00%
1
100.00%



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;

}

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matthieu castet
matthieu castet
40
100.00%
2
100.00%
Total
40
100.00%
2
100.00%



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;
}

Contributors
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matthieu castet
matthieu castet
86
100.00%
1
100.00%
Total
86
100.00%
1
100.00%


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;
}

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matthieu castet
matthieu castet
294
65.19%
5
45.45%
stanislaw w. gruszka
stanislaw w. gruszka
133
29.49%
3
27.27%
greg kroah-hartman
greg kroah-hartman
15
3.33%
1
9.09%
duncan sands
duncan sands
9
2.00%
2
18.18%
Total
451
100.00%
11
100.00%



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);
}

Contributors
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matthieu castet
matthieu castet
48
100.00%
2
100.00%
Total
48
100.00%
2
100.00%


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;
}

Contributors
Person
Tokens
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matthieu castet
matthieu castet
97
62.18%
1
33.33%
dan williams
dan williams
49
31.41%
1
33.33%
stanislaw w. gruszka
stanislaw w. gruszka
10
6.41%
1
33.33%
Total
156
100.00%
3
100.00%



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);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
matthieu castet
matthieu castet
81
95.29%
1
50.00%
arjan van de ven
arjan van de ven
4
4.71%
1
50.00%
Total
85
100.00%
2
100.00%

/*
 * 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);
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw w. gruszka
stanislaw w. gruszka
6287
49.69%
7
12.96%
matthieu castet
matthieu castet
5763
45.55%
12
22.22%
tim gardner
tim gardner
238
1.88%
1
1.85%
greg kroah-hartman
greg kroah-hartman
94
0.74%
4
7.41%
dan williams
dan williams
53
0.42%
1
1.85%
javier blanco de torres (neurowork)
javier blanco de torres (neurowork)
31
0.25%
1
1.85%
arjan van de ven
arjan van de ven
25
0.20%
1
1.85%
harvey harrison
harvey harrison
24
0.19%
2
3.70%
chris forbes
chris forbes
18
0.14%
2
3.70%
david woodhouse
david woodhouse
13
0.10%
1
1.85%
david howells
david howells
12
0.09%
1
1.85%
karl hiramoto
karl hiramoto
11
0.09%
1
1.85%
al viro
al viro
11
0.09%
1
1.85%
duncan sands
duncan sands
11
0.09%
3
5.56%
tejun heo
tejun heo
10
0.08%
3
5.56%
johannes berg
johannes berg
10
0.08%
1
1.85%
samuel ortiz
samuel ortiz
8
0.06%
1
1.85%
rusty russell
rusty russell
7
0.06%
2
3.70%
andy shevchenko
andy shevchenko
5
0.04%
1
1.85%
dan streetman
dan streetman
4
0.03%
1
1.85%
eric sesterhenn
eric sesterhenn
4
0.03%
1
1.85%
lucas de marchi
lucas de marchi
4
0.03%
1
1.85%
randy dunlap
randy dunlap
3
0.02%
1
1.85%
nigel cunningham
nigel cunningham
3
0.02%
1
1.85%
joe perches
joe perches
2
0.02%
1
1.85%
nick andrew
nick andrew
1
0.01%
1
1.85%
andre goddard rosa
andre goddard rosa
1
0.01%
1
1.85%
Total
12653
100.00%
54
100.00%
  
Directory: drivers/usb/atm

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