diff options
Diffstat (limited to 'drivers/isdn/hisax/hfc_usb.c')
| -rw-r--r-- | drivers/isdn/hisax/hfc_usb.c | 1357 |
1 files changed, 572 insertions, 785 deletions
diff --git a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c index e2c3af49d72..849a8075268 100644 --- a/drivers/isdn/hisax/hfc_usb.c +++ b/drivers/isdn/hisax/hfc_usb.c @@ -1,12 +1,12 @@ /* * hfc_usb.c * - * $Id: hfc_usb.c,v 4.34 2005/01/26 17:25:53 martinb1 Exp $ + * $Id: hfc_usb.c,v 2.3.2.24 2007/10/14 08:40:29 mbachem Exp $ * * modular HiSax ISDN driver for Colognechip HFC-S USB chip * - * Authors : Peter Sprenger (sprenger@moving-bytes.de) - * Martin Bachem (info@colognechip.com) + * Authors : Peter Sprenger (sprenger@moving-bytes.de) + * Martin Bachem (m.bachem@gmx.de, info@colognechip.com) * * based on the first hfc_usb driver of * Werner Cornelius (werner@isdn-development.de) @@ -27,121 +27,115 @@ * * See Version Histroy at the bottom of this file * -*/ + */ #include <linux/types.h> #include <linux/stddef.h> #include <linux/timer.h> -#include <linux/config.h> #include <linux/init.h> #include <linux/module.h> #include <linux/kernel_stat.h> #include <linux/usb.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/sched.h> +#include <linux/moduleparam.h> +#include <linux/slab.h> #include "hisax.h" #include "hisax_if.h" #include "hfc_usb.h" -/* -* Version Information -* (do not modify the CVS Makros $Revision: 4.34 $ and $Date: 2005/01/26 17:25:53 $ !) -*/ static const char *hfcusb_revision = - "Revision: 4.34 $ Date: 2005/01/26 17:25:53 $ "; + "$Revision: 2.3.2.24 $ $Date: 2007/10/14 08:40:29 $ "; /* Hisax debug support -* use "modprobe debug=x" where x is bitfield of USB_DBG & ISDN_DBG -*/ -#ifdef CONFIG_HISAX_DEBUG -#include <linux/moduleparam.h> + * debug flags defined in hfc_usb.h as HFCUSB_DBG_[*] + */ #define __debug_variable hfc_debug #include "hisax_debug.h" static u_int debug; module_param(debug, uint, 0); static int hfc_debug; -#endif - -/****************************************/ -/* data defining the devices to be used */ -/****************************************/ -static struct usb_device_id hfc_usb_idtab[] = { - {USB_DEVICE(0x0959, 0x2bd0)}, /* Colognechip USB eval TA */ - {USB_DEVICE(0x0675, 0x1688)}, /* DrayTek miniVigor 128 USB ISDN TA */ - {USB_DEVICE(0x07b0, 0x0007)}, /* Billion USB TA 2 */ - {USB_DEVICE(0x0742, 0x2008)}, /* Stollmann USB TA */ - {USB_DEVICE(0x0742, 0x2009)}, /* Aceex USB ISDN TA */ - {USB_DEVICE(0x0742, 0x200A)}, /* OEM USB ISDN TA */ - {USB_DEVICE(0x08e3, 0x0301)}, /* OliTec ISDN USB */ - {USB_DEVICE(0x07fa, 0x0846)}, /* Bewan ISDN USB TA */ - {USB_DEVICE(0x07fa, 0x0847)}, /* Djinn Numeris USB */ - {USB_DEVICE(0x07b0, 0x0006)}, /* Twister ISDN USB TA */ - {} /* end with an all-zeroes entry */ -}; -/* driver internal device specific data: -* VendorID, ProductID, Devicename, LED_SCHEME, -* LED's BitMask in HFCUSB_P_DATA Register : LED_USB, LED_S0, LED_B1, LED_B2 -*/ -static vendor_data vdata[] = { - /* CologneChip Eval TA */ - {0x0959, 0x2bd0, "ISDN USB TA (Cologne Chip HFC-S USB based)", - LED_OFF, {4, 0, 2, 1} - } - , - /* DrayTek miniVigor 128 USB ISDN TA */ - {0x0675, 0x1688, "DrayTek miniVigor 128 USB ISDN TA", - LED_SCHEME1, {1, 2, 0, 0} - } - , - /* Billion TA */ - {0x07b0, 0x0007, "Billion tiny USB ISDN TA 128", - LED_SCHEME1, {0x80, -64, -32, -16} - } - , - /* Stollmann TA */ - {0x0742, 0x2008, "Stollmann USB TA", - LED_SCHEME1, {4, 0, 2, 1} - } - , - /* Aceex USB ISDN TA */ - {0x0742, 0x2009, "Aceex USB ISDN TA", - LED_SCHEME1, {4, 0, 2, 1} - } - , - /* OEM USB ISDN TA */ - {0x0742, 0x200A, "OEM USB ISDN TA", - LED_SCHEME1, {4, 0, 2, 1} - } - , - /* Olitec TA */ - {0x08e3, 0x0301, "Olitec USB RNIS", - LED_SCHEME1, {2, 0, 1, 4} - } - , - /* Bewan TA */ - {0x07fa, 0x0846, "Bewan Modem RNIS USB", - LED_SCHEME1, {0x80, -64, -32, -16} - } - , - /* Bewan TA */ - {0x07fa, 0x0847, "Djinn Numeris USB", - LED_SCHEME1, {0x80, -64, -32, -16} - } - , - /* Twister ISDN TA */ - {0x07b0, 0x0006, "Twister ISDN TA", - LED_SCHEME1, {0x80, -64, -32, -16} - } - , - {0, 0, 0} /* EOL element */ +/* private vendor specific data */ +typedef struct { + __u8 led_scheme; // led display scheme + signed short led_bits[8]; // array of 8 possible LED bitmask settings + char *vend_name; // device name +} hfcsusb_vdata; + +/* VID/PID device list */ +static struct usb_device_id hfcusb_idtab[] = { + { + USB_DEVICE(0x0959, 0x2bd0), + .driver_info = (unsigned long) &((hfcsusb_vdata) + {LED_OFF, {4, 0, 2, 1}, + "ISDN USB TA (Cologne Chip HFC-S USB based)"}), + }, + { + USB_DEVICE(0x0675, 0x1688), + .driver_info = (unsigned long) &((hfcsusb_vdata) + {LED_SCHEME1, {1, 2, 0, 0}, + "DrayTek miniVigor 128 USB ISDN TA"}), + }, + { + USB_DEVICE(0x07b0, 0x0007), + .driver_info = (unsigned long) &((hfcsusb_vdata) + {LED_SCHEME1, {0x80, -64, -32, -16}, + "Billion tiny USB ISDN TA 128"}), + }, + { + USB_DEVICE(0x0742, 0x2008), + .driver_info = (unsigned long) &((hfcsusb_vdata) + {LED_SCHEME1, {4, 0, 2, 1}, + "Stollmann USB TA"}), + }, + { + USB_DEVICE(0x0742, 0x2009), + .driver_info = (unsigned long) &((hfcsusb_vdata) + {LED_SCHEME1, {4, 0, 2, 1}, + "Aceex USB ISDN TA"}), + }, + { + USB_DEVICE(0x0742, 0x200A), + .driver_info = (unsigned long) &((hfcsusb_vdata) + {LED_SCHEME1, {4, 0, 2, 1}, + "OEM USB ISDN TA"}), + }, + { + USB_DEVICE(0x08e3, 0x0301), + .driver_info = (unsigned long) &((hfcsusb_vdata) + {LED_SCHEME1, {2, 0, 1, 4}, + "Olitec USB RNIS"}), + }, + { + USB_DEVICE(0x07fa, 0x0846), + .driver_info = (unsigned long) &((hfcsusb_vdata) + {LED_SCHEME1, {0x80, -64, -32, -16}, + "Bewan Modem RNIS USB"}), + }, + { + USB_DEVICE(0x07fa, 0x0847), + .driver_info = (unsigned long) &((hfcsusb_vdata) + {LED_SCHEME1, {0x80, -64, -32, -16}, + "Djinn Numeris USB"}), + }, + { + USB_DEVICE(0x07b0, 0x0006), + .driver_info = (unsigned long) &((hfcsusb_vdata) + {LED_SCHEME1, {0x80, -64, -32, -16}, + "Twister ISDN TA"}), + }, + { + USB_DEVICE(0x071d, 0x1005), + .driver_info = (unsigned long) &((hfcsusb_vdata) + {LED_SCHEME1, {0x02, 0, 0x01, 0x04}, + "Eicon DIVA USB 4.0"}), + }, + { } }; -/***************************************************************/ /* structure defining input+output fifos (interrupt/bulk mode) */ -/***************************************************************/ struct usb_fifo; /* forward definition */ typedef struct iso_urb_struct { struct urb *purb; @@ -149,8 +143,8 @@ typedef struct iso_urb_struct { struct usb_fifo *owner_fifo; /* pointer to owner fifo */ } iso_urb_struct; - struct hfcusb_data; /* forward definition */ + typedef struct usb_fifo { int fifonum; /* fifo index attached to this structure */ int active; /* fifo is currently active */ @@ -169,15 +163,12 @@ typedef struct usb_fifo { struct hisax_if *hif; /* hisax interface */ int delete_flg; /* only delete skbuff once */ int last_urblen; /* remember length of last packet */ - } usb_fifo; -/*********************************************/ /* structure holding all data for one device */ -/*********************************************/ typedef struct hfcusb_data { /* HiSax Interface for loadable Layer1 drivers */ - struct hisax_d_if d_if; /* see hisax_if.h */ + struct hisax_d_if d_if; /* see hisax_if.h */ struct hisax_b_if b_if[2]; /* see hisax_if.h */ int protocol; @@ -185,7 +176,8 @@ typedef struct hfcusb_data { int if_used; /* used interface number */ int alt_used; /* used alternate config */ int ctrl_paksize; /* control pipe packet size */ - int ctrl_in_pipe, ctrl_out_pipe; /* handles for control pipe */ + int ctrl_in_pipe, /* handles for control pipe */ + ctrl_out_pipe; int cfg_used; /* configuration index used */ int vend_idx; /* vendor found */ int b_mode[2]; /* B-channel mode */ @@ -201,7 +193,7 @@ typedef struct hfcusb_data { struct usb_ctrlrequest ctrl_write; /* buffer for control write request */ struct usb_ctrlrequest ctrl_read; /* same for read request */ - __u8 old_led_state, led_state, led_new_data, led_b_active; + __u8 old_led_state, led_state; volatile __u8 threshold_mask; /* threshold actually reported */ volatile __u8 bch_enables; /* or mask for sctrl_r and sctrl register values */ @@ -211,15 +203,12 @@ typedef struct hfcusb_data { volatile __u8 l1_state; /* actual l1 state */ struct timer_list t3_timer; /* timer 3 for activation/deactivation */ struct timer_list t4_timer; /* timer 4 for activation/deactivation */ - struct timer_list led_timer; /* timer flashing leds */ - } hfcusb_data; -static void collect_rx_frame(usb_fifo * fifo, __u8 * data, int len, +static void collect_rx_frame(usb_fifo *fifo, __u8 *data, int len, int finish); - static inline const char * symbolic(struct hfcusb_symbolic_list list[], const int num) { @@ -227,36 +216,28 @@ symbolic(struct hfcusb_symbolic_list list[], const int num) for (i = 0; list[i].name != NULL; i++) if (list[i].num == num) return (list[i].name); - return "<unkown>"; + return "<unknown ERROR>"; } - -/******************************************************/ -/* start next background transfer for control channel */ -/******************************************************/ static void -ctrl_start_transfer(hfcusb_data * hfc) +ctrl_start_transfer(hfcusb_data *hfc) { if (hfc->ctrl_cnt) { hfc->ctrl_urb->pipe = hfc->ctrl_out_pipe; - hfc->ctrl_urb->setup_packet = (u_char *) & hfc->ctrl_write; + hfc->ctrl_urb->setup_packet = (u_char *)&hfc->ctrl_write; hfc->ctrl_urb->transfer_buffer = NULL; hfc->ctrl_urb->transfer_buffer_length = 0; hfc->ctrl_write.wIndex = - hfc->ctrl_buff[hfc->ctrl_out_idx].hfc_reg; + cpu_to_le16(hfc->ctrl_buff[hfc->ctrl_out_idx].hfc_reg); hfc->ctrl_write.wValue = - hfc->ctrl_buff[hfc->ctrl_out_idx].reg_val; + cpu_to_le16(hfc->ctrl_buff[hfc->ctrl_out_idx].reg_val); usb_submit_urb(hfc->ctrl_urb, GFP_ATOMIC); /* start transfer */ } } /* ctrl_start_transfer */ -/************************************/ -/* queue a control transfer request */ -/* return 0 on success. */ -/************************************/ static int -queue_control_request(hfcusb_data * hfc, __u8 reg, __u8 val, int action) +queue_control_request(hfcusb_data *hfc, __u8 reg, __u8 val, int action) { ctrl_buft *buf; @@ -271,44 +252,26 @@ queue_control_request(hfcusb_data * hfc, __u8 reg, __u8 val, int action) if (++hfc->ctrl_cnt == 1) ctrl_start_transfer(hfc); return (0); -} /* queue_control_request */ - -static int -control_action_handler(hfcusb_data * hfc, int reg, int val, int action) -{ - if (!action) - return (1); /* no action defined */ - return (0); } -/***************************************************************/ -/* control completion routine handling background control cmds */ -/***************************************************************/ static void -ctrl_complete(struct urb *urb, struct pt_regs *regs) +ctrl_complete(struct urb *urb) { hfcusb_data *hfc = (hfcusb_data *) urb->context; - ctrl_buft *buf; urb->dev = hfc->dev; if (hfc->ctrl_cnt) { - buf = &hfc->ctrl_buff[hfc->ctrl_out_idx]; - control_action_handler(hfc, buf->hfc_reg, buf->reg_val, - buf->action); - hfc->ctrl_cnt--; /* decrement actual count */ if (++hfc->ctrl_out_idx >= HFC_CTRL_BUFSIZE) hfc->ctrl_out_idx = 0; /* pointer wrap */ ctrl_start_transfer(hfc); /* start next transfer */ } -} /* ctrl_complete */ +} -/***************************************************/ /* write led data to auxport & invert if necessary */ -/***************************************************/ static void -write_led(hfcusb_data * hfc, __u8 led_state) +write_led(hfcusb_data *hfc, __u8 led_state) { if (led_state != hfc->old_led_state) { hfc->old_led_state = led_state; @@ -316,155 +279,102 @@ write_led(hfcusb_data * hfc, __u8 led_state) } } -/**************************/ -/* handle LED bits */ -/**************************/ static void -set_led_bit(hfcusb_data * hfc, signed short led_bits, int unset) +set_led_bit(hfcusb_data *hfc, signed short led_bits, int on) { - if (unset) { + if (on) { if (led_bits < 0) - hfc->led_state |= abs(led_bits); + hfc->led_state &= ~abs(led_bits); else - hfc->led_state &= ~led_bits; + hfc->led_state |= led_bits; } else { if (led_bits < 0) - hfc->led_state &= ~abs(led_bits); + hfc->led_state |= abs(led_bits); else - hfc->led_state |= led_bits; + hfc->led_state &= ~led_bits; } } -/******************************************/ -/* invert B-channel LEDs if data is sent */ -/******************************************/ +/* handle LED requests */ static void -led_timer(hfcusb_data * hfc) +handle_led(hfcusb_data *hfc, int event) { - static int cnt = 0; - - if (cnt) { - if (hfc->led_b_active & 1) - set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[2], - 0); - if (hfc->led_b_active & 2) - set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[3], - 0); - } else { - if (!(hfc->led_b_active & 1) || hfc->led_new_data & 1) - set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[2], - 1); - if (!(hfc->led_b_active & 2) || hfc->led_new_data & 2) - set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[3], - 1); - } - - write_led(hfc, hfc->led_state); - hfc->led_new_data = 0; - - cnt = !cnt; + hfcsusb_vdata *driver_info = + (hfcsusb_vdata *) hfcusb_idtab[hfc->vend_idx].driver_info; - /* restart 4 hz timer */ - if (!timer_pending(&hfc->led_timer)) { - add_timer(&hfc->led_timer); - hfc->led_timer.expires = jiffies + (LED_TIME * HZ) / 1000; - } -} - -/**************************/ -/* handle LED requests */ -/**************************/ -static void -handle_led(hfcusb_data * hfc, int event) -{ /* if no scheme -> no LED action */ - if (vdata[hfc->vend_idx].led_scheme == LED_OFF) + if (driver_info->led_scheme == LED_OFF) return; switch (event) { - case LED_POWER_ON: - set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[0], - 0); - set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[1], - 1); - set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[2], - 1); - set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[3], - 1); - break; - case LED_POWER_OFF: /* no Power off handling */ - break; - case LED_S0_ON: - set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[1], - 0); - break; - case LED_S0_OFF: - set_led_bit(hfc, vdata[hfc->vend_idx].led_bits[1], - 1); - break; - case LED_B1_ON: - hfc->led_b_active |= 1; - break; - case LED_B1_OFF: - hfc->led_b_active &= ~1; - break; - case LED_B1_DATA: - hfc->led_new_data |= 1; - break; - case LED_B2_ON: - hfc->led_b_active |= 2; - break; - case LED_B2_OFF: - hfc->led_b_active &= ~2; - break; - case LED_B2_DATA: - hfc->led_new_data |= 2; - break; + case LED_POWER_ON: + set_led_bit(hfc, driver_info->led_bits[0], 1); + set_led_bit(hfc, driver_info->led_bits[1], 0); + set_led_bit(hfc, driver_info->led_bits[2], 0); + set_led_bit(hfc, driver_info->led_bits[3], 0); + break; + case LED_POWER_OFF: + set_led_bit(hfc, driver_info->led_bits[0], 0); + set_led_bit(hfc, driver_info->led_bits[1], 0); + set_led_bit(hfc, driver_info->led_bits[2], 0); + set_led_bit(hfc, driver_info->led_bits[3], 0); + break; + case LED_S0_ON: + set_led_bit(hfc, driver_info->led_bits[1], 1); + break; + case LED_S0_OFF: + set_led_bit(hfc, driver_info->led_bits[1], 0); + break; + case LED_B1_ON: + set_led_bit(hfc, driver_info->led_bits[2], 1); + break; + case LED_B1_OFF: + set_led_bit(hfc, driver_info->led_bits[2], 0); + break; + case LED_B2_ON: + set_led_bit(hfc, driver_info->led_bits[3], 1); + break; + case LED_B2_OFF: + set_led_bit(hfc, driver_info->led_bits[3], 0); + break; } - write_led(hfc, hfc->led_state); } -/********************************/ -/* called when timer t3 expires */ -/********************************/ +/* ISDN l1 timer T3 expires */ static void -l1_timer_expire_t3(hfcusb_data * hfc) +l1_timer_expire_t3(hfcusb_data *hfc) { hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_DEACTIVATE | INDICATION, NULL); -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, + + DBG(HFCUSB_DBG_STATES, "HFC-S USB: PH_DEACTIVATE | INDICATION sent (T3 expire)"); -#endif - hfc->l1_activated = FALSE; + + hfc->l1_activated = 0; handle_led(hfc, LED_S0_OFF); /* deactivate : */ queue_control_request(hfc, HFCUSB_STATES, 0x10, 1); queue_control_request(hfc, HFCUSB_STATES, 3, 1); } -/********************************/ -/* called when timer t4 expires */ -/********************************/ +/* ISDN l1 timer T4 expires */ static void -l1_timer_expire_t4(hfcusb_data * hfc) +l1_timer_expire_t4(hfcusb_data *hfc) { hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_DEACTIVATE | INDICATION, NULL); -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, + + DBG(HFCUSB_DBG_STATES, "HFC-S USB: PH_DEACTIVATE | INDICATION sent (T4 expire)"); -#endif - hfc->l1_activated = FALSE; + + hfc->l1_activated = 0; handle_led(hfc, LED_S0_OFF); } -/*****************************/ -/* handle S0 state changes */ -/*****************************/ +/* S0 state changed */ static void -state_handler(hfcusb_data * hfc, __u8 state) +s0_state_handler(hfcusb_data *hfc, __u8 state) { __u8 old_state; @@ -472,59 +382,47 @@ state_handler(hfcusb_data * hfc, __u8 state) if (state == old_state || state < 1 || state > 8) return; -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, "HFC-S USB: new S0 state:%d old_state:%d", state, - old_state); -#endif + DBG(HFCUSB_DBG_STATES, "HFC-S USB: S0 statechange(%d -> %d)", + old_state, state); + if (state < 4 || state == 7 || state == 8) { if (timer_pending(&hfc->t3_timer)) del_timer(&hfc->t3_timer); -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, "HFC-S USB: T3 deactivated"); -#endif + DBG(HFCUSB_DBG_STATES, "HFC-S USB: T3 deactivated"); } if (state >= 7) { if (timer_pending(&hfc->t4_timer)) del_timer(&hfc->t4_timer); -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, "HFC-S USB: T4 deactivated"); -#endif + DBG(HFCUSB_DBG_STATES, "HFC-S USB: T4 deactivated"); } if (state == 7 && !hfc->l1_activated) { hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_ACTIVATE | INDICATION, NULL); -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, "HFC-S USB: PH_ACTIVATE | INDICATION sent"); -#endif - hfc->l1_activated = TRUE; + DBG(HFCUSB_DBG_STATES, "HFC-S USB: PH_ACTIVATE | INDICATION sent"); + hfc->l1_activated = 1; handle_led(hfc, LED_S0_ON); - } else if (state <= 3 /* && activated */ ) { + } else if (state <= 3 /* && activated */) { if (old_state == 7 || old_state == 8) { -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, "HFC-S USB: T4 activated"); -#endif + DBG(HFCUSB_DBG_STATES, "HFC-S USB: T4 activated"); if (!timer_pending(&hfc->t4_timer)) { hfc->t4_timer.expires = - jiffies + (HFC_TIMER_T4 * HZ) / 1000; + jiffies + (HFC_TIMER_T4 * HZ) / 1000; add_timer(&hfc->t4_timer); } } else { hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_DEACTIVATE | INDICATION, NULL); -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, + DBG(HFCUSB_DBG_STATES, "HFC-S USB: PH_DEACTIVATE | INDICATION sent"); -#endif - hfc->l1_activated = FALSE; + hfc->l1_activated = 0; handle_led(hfc, LED_S0_OFF); } } hfc->l1_state = state; } -/* prepare iso urb */ static void fill_isoc_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe, void *buf, int num_packets, int packet_size, int interval, @@ -532,7 +430,6 @@ fill_isoc_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe, { int k; - spin_lock_init(&urb->lock); urb->dev = dev; urb->pipe = pipe; urb->complete = complete; @@ -551,21 +448,22 @@ fill_isoc_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe, } /* allocs urbs and start isoc transfer with two pending urbs to avoid - gaps in the transfer chain */ + * gaps in the transfer chain + */ static int -start_isoc_chain(usb_fifo * fifo, int num_packets_per_urb, +start_isoc_chain(usb_fifo *fifo, int num_packets_per_urb, usb_complete_t complete, int packet_size) { int i, k, errcode; - printk(KERN_INFO "HFC-S USB: starting ISO-chain for Fifo %i\n", - fifo->fifonum); + DBG(HFCUSB_DBG_INIT, "HFC-S USB: starting ISO-URBs for fifo:%d\n", + fifo->fifonum); /* allocate Memory for Iso out Urbs */ for (i = 0; i < 2; i++) { if (!(fifo->iso[i].purb)) { fifo->iso[i].purb = - usb_alloc_urb(num_packets_per_urb, GFP_KERNEL); + usb_alloc_urb(num_packets_per_urb, GFP_KERNEL); if (!(fifo->iso[i].purb)) { printk(KERN_INFO "alloc urb for fifo %i failed!!!", @@ -589,11 +487,11 @@ start_isoc_chain(usb_fifo * fifo, int num_packets_per_urb, /* defining packet delimeters in fifo->buffer */ for (k = 0; k < num_packets_per_urb; k++) { fifo->iso[i].purb-> - iso_frame_desc[k].offset = - k * packet_size; + iso_frame_desc[k].offset = + k * packet_size; fifo->iso[i].purb-> - iso_frame_desc[k].length = - packet_size; + iso_frame_desc[k].length = + packet_size; } } else { printk(KERN_INFO @@ -604,73 +502,84 @@ start_isoc_chain(usb_fifo * fifo, int num_packets_per_urb, errcode = usb_submit_urb(fifo->iso[i].purb, GFP_KERNEL); fifo->active = (errcode >= 0) ? 1 : 0; - if (errcode < 0) { - printk(KERN_INFO "HFC-S USB: %s URB nr:%d\n", - symbolic(urb_errlist, errcode), i); - }; + if (errcode < 0) + printk(KERN_INFO "HFC-S USB: usb_submit_urb URB nr:%d, error(%i): '%s'\n", + i, errcode, symbolic(urb_errlist, errcode)); } return (fifo->active); } /* stops running iso chain and frees their pending urbs */ static void -stop_isoc_chain(usb_fifo * fifo) +stop_isoc_chain(usb_fifo *fifo) { int i; for (i = 0; i < 2; i++) { if (fifo->iso[i].purb) { -#ifdef CONFIG_HISAX_DEBUG - DBG(USB_DBG, + DBG(HFCUSB_DBG_INIT, "HFC-S USB: Stopping iso chain for fifo %i.%i", fifo->fifonum, i); -#endif - usb_unlink_urb(fifo->iso[i].purb); + usb_kill_urb(fifo->iso[i].purb); usb_free_urb(fifo->iso[i].purb); fifo->iso[i].purb = NULL; } } - if (fifo->urb) { - usb_unlink_urb(fifo->urb); - usb_free_urb(fifo->urb); - fifo->urb = NULL; - } + + usb_kill_urb(fifo->urb); + usb_free_urb(fifo->urb); + fifo->urb = NULL; fifo->active = 0; } /* defines how much ISO packets are handled in one URB */ static int iso_packets[8] = - { ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B, - ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D +{ ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B, + ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D }; -/*****************************************************/ -/* transmit completion routine for all ISO tx fifos */ -/*****************************************************/ static void -tx_iso_complete(struct urb *urb, struct pt_regs *regs) +tx_iso_complete(struct urb *urb) { iso_urb_struct *context_iso_urb = (iso_urb_struct *) urb->context; usb_fifo *fifo = context_iso_urb->owner_fifo; hfcusb_data *hfc = fifo->hfc; int k, tx_offset, num_isoc_packets, sink, len, current_len, - errcode; + errcode; int frame_complete, transp_mode, fifon, status; __u8 threshbit; - __u8 threshtable[8] = { 1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80 }; fifon = fifo->fifonum; status = urb->status; tx_offset = 0; + /* ISO transfer only partially completed, + look at individual frame status for details */ + if (status == -EXDEV) { + DBG(HFCUSB_DBG_VERBOSE_USB, "HFC-S USB: tx_iso_complete with -EXDEV" + ", urb->status %d, fifonum %d\n", + status, fifon); + + for (k = 0; k < iso_packets[fifon]; ++k) { + errcode = urb->iso_frame_desc[k].status; + if (errcode) + DBG(HFCUSB_DBG_VERBOSE_USB, "HFC-S USB: tx_iso_complete " + "packet %i, status: %i\n", + k, errcode); + } + + // clear status, so go on with ISO transfers + status = 0; + } + if (fifo->active && !status) { transp_mode = 0; if (fifon < 4 && hfc->b_mode[fifon / 2] == L1_MODE_TRANS) - transp_mode = TRUE; + transp_mode = 1; /* is FifoFull-threshold set for our channel? */ - threshbit = threshtable[fifon] & hfc->threshold_mask; + threshbit = (hfc->threshold_mask & (1 << fifon)); num_isoc_packets = iso_packets[fifon]; /* predict dataflow to avoid fifo overflow */ @@ -685,8 +594,9 @@ tx_iso_complete(struct urb *urb, struct pt_regs *regs) tx_iso_complete, urb->context); memset(context_iso_urb->buffer, 0, sizeof(context_iso_urb->buffer)); - frame_complete = FALSE; - /* Generate next Iso Packets */ + frame_complete = 0; + + /* Generate next ISO Packets */ for (k = 0; k < num_isoc_packets; ++k) { if (fifo->skbuff) { len = fifo->skbuff->len; @@ -697,8 +607,8 @@ tx_iso_complete(struct urb *urb, struct pt_regs *regs) if (current_len > 14) current_len = 14; current_len = - (len <= - current_len) ? len : current_len; + (len <= + current_len) ? len : current_len; /* how much bit do we put on the line? */ fifo->bit_line += current_len * 8; @@ -707,11 +617,11 @@ tx_iso_complete(struct urb *urb, struct pt_regs *regs) if (!transp_mode) { /* here frame completion */ context_iso_urb-> - buffer[tx_offset] = 1; + buffer[tx_offset] = 1; /* add 2 byte flags and 16bit CRC at end of ISDN frame */ fifo->bit_line += 32; } - frame_complete = TRUE; + frame_complete = 1; } memcpy(context_iso_urb->buffer + @@ -722,20 +632,12 @@ tx_iso_complete(struct urb *urb, struct pt_regs *regs) /* define packet delimeters within the URB buffer */ urb->iso_frame_desc[k].offset = tx_offset; urb->iso_frame_desc[k].length = - current_len + 1; + current_len + 1; tx_offset += (current_len + 1); - if (!transp_mode) { - if (fifon == HFCUSB_B1_TX) - handle_led(hfc, - LED_B1_DATA); - if (fifon == HFCUSB_B2_TX) - handle_led(hfc, - LED_B2_DATA); - } } else { urb->iso_frame_desc[k].offset = - tx_offset++; + tx_offset++; urb->iso_frame_desc[k].length = 1; fifo->bit_line -= sink; /* we lower data margin every msec */ @@ -746,64 +648,64 @@ tx_iso_complete(struct urb *urb, struct pt_regs *regs) } if (frame_complete) { - fifo->delete_flg = TRUE; + fifo->delete_flg = 1; fifo->hif->l1l2(fifo->hif, PH_DATA | CONFIRM, - (void *) fifo->skbuff-> + (void *) (unsigned long) fifo->skbuff-> truesize); if (fifo->skbuff && fifo->delete_flg) { dev_kfree_skb_any(fifo->skbuff); fifo->skbuff = NULL; - fifo->delete_flg = FALSE; + fifo->delete_flg = 0; } - frame_complete = FALSE; + frame_complete = 0; } } errcode = usb_submit_urb(urb, GFP_ATOMIC); if (errcode < 0) { printk(KERN_INFO - "HFC-S USB: error submitting ISO URB: %d \n", + "HFC-S USB: error submitting ISO URB: %d\n", errcode); } } else { if (status && !hfc->disc_flag) { printk(KERN_INFO - "HFC-S USB: tx_iso_complete : urb->status %s (%i), fifonum=%d\n", - symbolic(urb_errlist, status), status, - fifon); + "HFC-S USB: tx_iso_complete: error(%i): '%s', fifonum=%d\n", + status, symbolic(urb_errlist, status), fifon); } } -} /* tx_iso_complete */ +} -/*****************************************************/ -/* receive completion routine for all ISO tx fifos */ -/*****************************************************/ static void -rx_iso_complete(struct urb *urb, struct pt_regs *regs) +rx_iso_complete(struct urb *urb) { iso_urb_struct *context_iso_urb = (iso_urb_struct *) urb->context; usb_fifo *fifo = context_iso_urb->owner_fifo; hfcusb_data *hfc = fifo->hfc; int k, len, errcode, offset, num_isoc_packets, fifon, maxlen, - status; + status; unsigned int iso_status; __u8 *buf; static __u8 eof[8]; -#ifdef CONFIG_HISAX_DEBUG - __u8 i; -#endif fifon = fifo->fifonum; status = urb->status; if (urb->status == -EOVERFLOW) { -#ifdef CONFIG_HISAX_DEBUG - DBG(USB_DBG, - "HFC-USB: ignoring USB DATAOVERRUN for fifo %i \n", - fifon); -#endif + DBG(HFCUSB_DBG_VERBOSE_USB, + "HFC-USB: ignoring USB DATAOVERRUN fifo(%i)", fifon); status = 0; } + + /* ISO transfer only partially completed, + look at individual frame status for details */ + if (status == -EXDEV) { + DBG(HFCUSB_DBG_VERBOSE_USB, "HFC-S USB: rx_iso_complete with -EXDEV " + "urb->status %d, fifonum %d\n", + status, fifon); + status = 0; + } + if (fifo->active && !status) { num_isoc_packets = iso_packets[fifon]; maxlen = fifo->usb_packet_maxlen; @@ -812,40 +714,38 @@ rx_iso_complete(struct urb *urb, struct pt_regs *regs) offset = urb->iso_frame_desc[k].offset; buf = context_iso_urb->buffer + offset; iso_status = urb->iso_frame_desc[k].status; -#ifdef CONFIG_HISAX_DEBUG - if (iso_status && !hfc->disc_flag) - DBG(USB_DBG, - "HFC-S USB: ISO packet failure - status:%x", - iso_status); - if ((fifon == 5) && (debug > 1)) { - printk(KERN_INFO - "HFC-S USB: ISO-D-RX lst_urblen:%2d " - "act_urblen:%2d max-urblen:%2d " - "EOF:0x%0x DATA: ", - fifo->last_urblen, len, maxlen, - eof[5]); - for (i = 0; i < len; i++) - printk("%.2x ", buf[i]); - printk("\n"); + if (iso_status && !hfc->disc_flag) + DBG(HFCUSB_DBG_VERBOSE_USB, + "HFC-S USB: rx_iso_complete " + "ISO packet %i, status: %i\n", + k, iso_status); + + if (fifon == HFCUSB_D_RX) { + DBG(HFCUSB_DBG_VERBOSE_USB, + "HFC-S USB: ISO-D-RX lst_urblen:%2d " + "act_urblen:%2d max-urblen:%2d EOF:0x%0x", + fifo->last_urblen, len, maxlen, + eof[5]); + + DBG_PACKET(HFCUSB_DBG_VERBOSE_USB, buf, len); } -#endif + if (fifo->last_urblen != maxlen) { /* the threshold mask is in the 2nd status byte */ hfc->threshold_mask = buf[1]; /* care for L1 state only for D-Channel to avoid overlapped iso completions */ - if (fifon == 5) { + if (fifon == HFCUSB_D_RX) { /* the S0 state is in the upper half of the 1st status byte */ - state_handler(hfc, buf[0] >> 4); + s0_state_handler(hfc, buf[0] >> 4); } eof[fifon] = buf[0] & 1; if (len > 2) collect_rx_frame(fifo, buf + 2, len - 2, - (len < - maxlen) ? + (len < maxlen) ? eof[fifon] : 0); } else { collect_rx_frame(fifo, buf, len, @@ -862,41 +762,37 @@ rx_iso_complete(struct urb *urb, struct pt_regs *regs) rx_iso_complete, urb->context); errcode = usb_submit_urb(urb, GFP_ATOMIC); if (errcode < 0) { - printk(KERN_INFO - "HFC-S USB: error submitting ISO URB: %d \n", + printk(KERN_ERR + "HFC-S USB: error submitting ISO URB: %d\n", errcode); } } else { if (status && !hfc->disc_flag) { - printk(KERN_INFO + printk(KERN_ERR "HFC-S USB: rx_iso_complete : " "urb->status %d, fifonum %d\n", status, fifon); } } -} /* rx_iso_complete */ +} -/*****************************************************/ -/* collect data from interrupt or isochron in */ -/*****************************************************/ +/* collect rx data from INT- and ISO-URBs */ static void -collect_rx_frame(usb_fifo * fifo, __u8 * data, int len, int finish) +collect_rx_frame(usb_fifo *fifo, __u8 *data, int len, int finish) { hfcusb_data *hfc = fifo->hfc; int transp_mode, fifon; -#ifdef CONFIG_HISAX_DEBUG - int i; -#endif + fifon = fifo->fifonum; transp_mode = 0; if (fifon < 4 && hfc->b_mode[fifon / 2] == L1_MODE_TRANS) - transp_mode = TRUE; + transp_mode = 1; if (!fifo->skbuff) { fifo->skbuff = dev_alloc_skb(fifo->max_size + 3); if (!fifo->skbuff) { - printk(KERN_INFO - "HFC-S USB: cannot allocate buffer (dev_alloc_skb) fifo:%d\n", + printk(KERN_ERR + "HFC-S USB: cannot allocate buffer for fifo(%d)\n", fifon); return; } @@ -905,17 +801,11 @@ collect_rx_frame(usb_fifo * fifo, __u8 * data, int len, int finish) if (fifo->skbuff->len + len < fifo->max_size) { memcpy(skb_put(fifo->skbuff, len), data, len); } else { -#ifdef CONFIG_HISAX_DEBUG - printk(KERN_INFO "HFC-S USB: "); - for (i = 0; i < 15; i++) - printk("%.2x ", - fifo->skbuff->data[fifo->skbuff-> - len - 15 + i]); - printk("\n"); -#endif - printk(KERN_INFO - "HCF-USB: got frame exceeded fifo->max_size:%d on fifo:%d\n", - fifo->max_size, fifon); + DBG(HFCUSB_DBG_FIFO_ERR, + "HCF-USB: got frame exceeded fifo->max_size(%d) fifo(%d)", + fifo->max_size, fifon); + DBG_SKB(HFCUSB_DBG_VERBOSE_USB, fifo->skbuff); + skb_trim(fifo->skbuff, 0); } } if (transp_mode && fifo->skbuff->len >= 128) { @@ -926,8 +816,15 @@ collect_rx_frame(usb_fifo * fifo, __u8 * data, int len, int finish) } /* we have a complete hdlc packet */ if (finish) { - if ((!fifo->skbuff->data[fifo->skbuff->len - 1]) - && (fifo->skbuff->len > 3)) { + if (fifo->skbuff->len > 3 && + !fifo->skbuff->data[fifo->skbuff->len - 1]) { + + if (fifon == HFCUSB_D_RX) { + DBG(HFCUSB_DBG_DCHANNEL, + "HFC-S USB: D-RX len(%d)", fifo->skbuff->len); + DBG_SKB(HFCUSB_DBG_DCHANNEL, fifo->skbuff); + } + /* remove CRC & status */ skb_trim(fifo->skbuff, fifo->skbuff->len - 3); if (fifon == HFCUSB_PCM_RX) { @@ -940,47 +837,17 @@ collect_rx_frame(usb_fifo * fifo, __u8 * data, int len, int finish) fifo->skbuff); fifo->skbuff = NULL; /* buffer was freed from upper layer */ } else { - if (fifo->skbuff->len > 3) { - printk(KERN_INFO - "HFC-S USB: got frame %d bytes but CRC ERROR on fifo:%d!!!\n", - fifo->skbuff->len, fifon); -#ifdef CONFIG_HISAX_DEBUG - if (debug > 1) { - printk(KERN_INFO "HFC-S USB: "); - for (i = 0; i < 15; i++) - printk("%.2x ", - fifo->skbuff-> - data[fifo->skbuff-> - len - 15 + i]); - printk("\n"); - } -#endif - } -#ifdef CONFIG_HISAX_DEBUG - else { - printk(KERN_INFO - "HFC-S USB: frame to small (%d bytes)!!!\n", - fifo->skbuff->len); - } -#endif + DBG(HFCUSB_DBG_FIFO_ERR, + "HFC-S USB: ERROR frame len(%d) fifo(%d)", + fifo->skbuff->len, fifon); + DBG_SKB(HFCUSB_DBG_VERBOSE_USB, fifo->skbuff); skb_trim(fifo->skbuff, 0); } } - - /* LED flashing only in HDLC mode */ - if (!transp_mode) { - if (fifon == HFCUSB_B1_RX) - handle_led(hfc, LED_B1_DATA); - if (fifon == HFCUSB_B2_RX) - handle_led(hfc, LED_B2_DATA); - } } -/***********************************************/ -/* receive completion routine for all rx fifos */ -/***********************************************/ static void -rx_complete(struct urb *urb, struct pt_regs *regs) +rx_int_complete(struct urb *urb) { int len; int status; @@ -988,18 +855,14 @@ rx_complete(struct urb *urb, struct pt_regs *regs) usb_fifo *fifo = (usb_fifo *) urb->context; hfcusb_data *hfc = fifo->hfc; static __u8 eof[8]; -#ifdef CONFIG_HISAX_DEBUG - __u8 i; -#endif urb->dev = hfc->dev; /* security init */ fifon = fifo->fifonum; if ((!fifo->active) || (urb->status)) { -#ifdef CONFIG_HISAX_DEBUG - DBG(USB_DBG, "HFC-S USB: RX-Fifo %i is going down (%i)", + DBG(HFCUSB_DBG_INIT, "HFC-S USB: RX-Fifo %i is going down (%i)", fifon, urb->status); -#endif + fifo->urb->interval = 0; /* cancel automatic rescheduling */ if (fifo->skbuff) { dev_kfree_skb_any(fifo->skbuff); @@ -1011,22 +874,20 @@ rx_complete(struct urb *urb, struct pt_regs *regs) buf = fifo->buffer; maxlen = fifo->usb_packet_maxlen; -#ifdef CONFIG_HISAX_DEBUG - if ((fifon == 5) && (debug > 1)) { - printk(KERN_INFO - "HFC-S USB: INT-D-RX lst_urblen:%2d act_urblen:%2d max-urblen:%2d EOF:0x%0x DATA: ", - fifo->last_urblen, len, maxlen, eof[5]); - for (i = 0; i < len; i++) - printk("%.2x ", buf[i]); - printk("\n"); + if (fifon == HFCUSB_D_RX) { + DBG(HFCUSB_DBG_VERBOSE_USB, + "HFC-S USB: INT-D-RX lst_urblen:%2d " + "act_urblen:%2d max-urblen:%2d EOF:0x%0x", + fifo->last_urblen, len, maxlen, + eof[5]); + DBG_PACKET(HFCUSB_DBG_VERBOSE_USB, buf, len); } -#endif if (fifo->last_urblen != fifo->usb_packet_maxlen) { /* the threshold mask is in the 2nd status byte */ hfc->threshold_mask = buf[1]; /* the S0 state is in the upper half of the 1st status byte */ - state_handler(hfc, buf[0] >> 4); + s0_state_handler(hfc, buf[0] >> 4); eof[fifon] = buf[0] & 1; /* if we have more than the 2 status bytes -> collect data */ if (len > 2) @@ -1041,20 +902,19 @@ rx_complete(struct urb *urb, struct pt_regs *regs) status = usb_submit_urb(urb, GFP_ATOMIC); if (status) { printk(KERN_INFO - "HFC-S USB: error resubmitting URN at rx_complete...\n"); + "HFC-S USB: %s error resubmitting URB fifo(%d)\n", + __func__, fifon); } -} /* rx_complete */ +} -/***************************************************/ -/* start the interrupt transfer for the given fifo */ -/***************************************************/ +/* start initial INT-URB for certain fifo */ static void -start_int_fifo(usb_fifo * fifo) +start_int_fifo(usb_fifo *fifo) { int errcode; - printk(KERN_INFO "HFC-S USB: starting intr IN fifo:%d\n", - fifo->fifonum); + DBG(HFCUSB_DBG_INIT, "HFC-S USB: starting RX INT-URB for fifo:%d\n", + fifo->fifonum); if (!fifo->urb) { fifo->urb = usb_alloc_urb(0, GFP_KERNEL); @@ -1063,33 +923,28 @@ start_int_fifo(usb_fifo * fifo) } usb_fill_int_urb(fifo->urb, fifo->hfc->dev, fifo->pipe, fifo->buffer, fifo->usb_packet_maxlen, - rx_complete, fifo, fifo->intervall); + rx_int_complete, fifo, fifo->intervall); fifo->active = 1; /* must be marked active */ errcode = usb_submit_urb(fifo->urb, GFP_KERNEL); if (errcode) { - printk(KERN_INFO + printk(KERN_ERR "HFC-S USB: submit URB error(start_int_info): status:%i\n", errcode); fifo->active = 0; fifo->skbuff = NULL; } -} /* start_int_fifo */ +} -/*****************************/ -/* set the B-channel mode */ -/*****************************/ static void -set_hfcmode(hfcusb_data * hfc, int channel, int mode) +setup_bchannel(hfcusb_data *hfc, int channel, int mode) { __u8 val, idx_table[2] = { 0, 2 }; if (hfc->disc_flag) { return; } -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, "HFC-S USB: setting channel %d to mode %d", channel, - mode); -#endif + DBG(HFCUSB_DBG_STATES, "HFC-S USB: setting channel %d to mode %d", + channel, mode); hfc->b_mode[channel] = mode; /* setup CON_HDLC */ @@ -1144,121 +999,103 @@ hfc_usb_l2l1(struct hisax_if *my_hisax_if, int pr, void *arg) hfcusb_data *hfc = fifo->hfc; switch (pr) { - case PH_ACTIVATE | REQUEST: - if (fifo->fifonum == HFCUSB_D_TX) { -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, - "HFC_USB: hfc_usb_d_l2l1 D-chan: PH_ACTIVATE | REQUEST"); -#endif - if (hfc->l1_state != 3 - && hfc->l1_state != 7) { - hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, - PH_DEACTIVATE | + case PH_ACTIVATE | REQUEST: + if (fifo->fifonum == HFCUSB_D_TX) { + DBG(HFCUSB_DBG_STATES, + "HFC_USB: hfc_usb_d_l2l1 D-chan: PH_ACTIVATE | REQUEST"); + + if (hfc->l1_state != 3 + && hfc->l1_state != 7) { + hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, + PH_DEACTIVATE | + INDICATION, + NULL); + DBG(HFCUSB_DBG_STATES, + "HFC-S USB: PH_DEACTIVATE | INDICATION sent (not state 3 or 7)"); + } else { + if (hfc->l1_state == 7) { /* l1 already active */ + hfc->d_if.ifc.l1l2(&hfc-> + d_if. + ifc, + PH_ACTIVATE + | INDICATION, NULL); -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, - "HFC-S USB: PH_DEACTIVATE | INDICATION sent (not state 3 or 7)"); -#endif + DBG(HFCUSB_DBG_STATES, + "HFC-S USB: PH_ACTIVATE | INDICATION sent again ;)"); } else { - if (hfc->l1_state == 7) { /* l1 already active */ - hfc->d_if.ifc.l1l2(&hfc-> - d_if. - ifc, - PH_ACTIVATE - | - INDICATION, - NULL); -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, - "HFC-S USB: PH_ACTIVATE | INDICATION sent again ;)"); -#endif - } else { - /* force sending sending INFO1 */ - queue_control_request(hfc, - HFCUSB_STATES, - 0x14, - 1); - mdelay(1); - /* start l1 activation */ - queue_control_request(hfc, - HFCUSB_STATES, - 0x04, - 1); - if (!timer_pending - (&hfc->t3_timer)) { - hfc->t3_timer. - expires = - jiffies + - (HFC_TIMER_T3 * - HZ) / 1000; - add_timer(&hfc-> - t3_timer); - } + /* force sending sending INFO1 */ + queue_control_request(hfc, + HFCUSB_STATES, + 0x14, + 1); + mdelay(1); + /* start l1 activation */ + queue_control_request(hfc, + HFCUSB_STATES, + 0x04, + 1); + if (!timer_pending + (&hfc->t3_timer)) { + hfc->t3_timer. + expires = + jiffies + + (HFC_TIMER_T3 * + HZ) / 1000; + add_timer(&hfc-> + t3_timer); } } - } else { -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, - "HFC_USB: hfc_usb_d_l2l1 Bx-chan: PH_ACTIVATE | REQUEST"); -#endif - set_hfcmode(hfc, - (fifo->fifonum == - HFCUSB_B1_TX) ? 0 : 1, - (int) arg); - fifo->hif->l1l2(fifo->hif, - PH_ACTIVATE | INDICATION, - NULL); - } - break; - case PH_DEACTIVATE | REQUEST: - if (fifo->fifonum == HFCUSB_D_TX) { -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, - "HFC_USB: hfc_usb_d_l2l1 D-chan: PH_DEACTIVATE | REQUEST"); -#endif - printk(KERN_INFO - "HFC-S USB: ISDN TE device should not deativate...\n"); - } else { -#ifdef CONFIG_HISAX_DEBUG - DBG(ISDN_DBG, - "HFC_USB: hfc_usb_d_l2l1 Bx-chan: PH_DEACTIVATE | REQUEST"); -#endif - set_hfcmode(hfc, - (fifo->fifonum == - HFCUSB_B1_TX) ? 0 : 1, - (int) L1_MODE_NULL); - fifo->hif->l1l2(fifo->hif, - PH_DEACTIVATE | INDICATION, - NULL); - } - break; - case PH_DATA | REQUEST: - if (fifo->skbuff && fifo->delete_flg) { - dev_kfree_skb_any(fifo->skbuff); - fifo->skbuff = NULL; - fifo->delete_flg = FALSE; } - fifo->skbuff = arg; /* we have a new buffer */ - break; - default: - printk(KERN_INFO - "HFC_USB: hfc_usb_d_l2l1: unkown state : %#x\n", - pr); - break; + } else { + DBG(HFCUSB_DBG_STATES, + "HFC_USB: hfc_usb_d_l2l1 B-chan: PH_ACTIVATE | REQUEST"); + setup_bchannel(hfc, + (fifo->fifonum == + HFCUSB_B1_TX) ? 0 : 1, + (long) arg); + fifo->hif->l1l2(fifo->hif, + PH_ACTIVATE | INDICATION, + NULL); + } + break; + case PH_DEACTIVATE | REQUEST: + if (fifo->fifonum == HFCUSB_D_TX) { + DBG(HFCUSB_DBG_STATES, + "HFC_USB: hfc_usb_d_l2l1 D-chan: PH_DEACTIVATE | REQUEST"); + } else { + DBG(HFCUSB_DBG_STATES, + "HFC_USB: hfc_usb_d_l2l1 Bx-chan: PH_DEACTIVATE | REQUEST"); + setup_bchannel(hfc, + (fifo->fifonum == + HFCUSB_B1_TX) ? 0 : 1, + (int) L1_MODE_NULL); + fifo->hif->l1l2(fifo->hif, + PH_DEACTIVATE | INDICATION, + NULL); + } + break; + case PH_DATA | REQUEST: + if (fifo->skbuff && fifo->delete_flg) { + dev_kfree_skb_any(fifo->skbuff); + fifo->skbuff = NULL; + fifo->delete_flg = 0; + } + fifo->skbuff = arg; /* we have a new buffer */ + break; + default: + DBG(HFCUSB_DBG_STATES, + "HFC_USB: hfc_usb_d_l2l1: unknown state : %#x", pr); + break; } } -/***************************************************************************/ -/* usb_init is called once when a new matching device is detected to setup */ -/* main parameters. It registers the driver at the main hisax module. */ -/* on success 0 is returned. */ -/***************************************************************************/ +/* initial init HFC-S USB chip registers, HiSax interface, USB URBs */ static int -usb_init(hfcusb_data * hfc) +hfc_usb_init(hfcusb_data *hfc) { usb_fifo *fifo; - int i, err; + int i; u_char b; struct hisax_b_if *p_b_if[2]; @@ -1273,18 +1110,18 @@ usb_init(hfcusb_data * hfc) } /* first set the needed config, interface and alternate */ - err = usb_set_interface(hfc->dev, hfc->if_used, hfc->alt_used); + usb_set_interface(hfc->dev, hfc->if_used, hfc->alt_used); /* do Chip reset */ write_usb(hfc, HFCUSB_CIRM, 8); /* aux = output, reset off */ write_usb(hfc, HFCUSB_CIRM, 0x10); - /* set USB_SIZE to match the the wMaxPacketSize for INT or BULK transfers */ + /* set USB_SIZE to match wMaxPacketSize for INT or BULK transfers */ write_usb(hfc, HFCUSB_USB_SIZE, (hfc->packet_size / 8) | ((hfc->packet_size / 8) << 4)); - /* set USB_SIZE_I to match the the wMaxPacketSize for ISO transfers */ + /* set USB_SIZE_I to match wMaxPacketSize for ISO transfers */ write_usb(hfc, HFCUSB_USB_SIZE_I, hfc->iso_packet_size); /* enable PCM/GCI master mode */ @@ -1301,7 +1138,7 @@ usb_init(hfcusb_data * hfc) write_usb(hfc, HFCUSB_FIFO, i); /* select the desired fifo */ fifo[i].skbuff = NULL; /* init buffer pointer */ fifo[i].max_size = - (i <= HFCUSB_B2_RX) ? MAX_BCH_SIZE : MAX_DFRAME_LEN; + (i <= HFCUSB_B2_RX) ? MAX_BCH_SIZE : MAX_DFRAME_LEN; fifo[i].last_urblen = 0; /* set 2 bit for D- & E-channel */ write_usb(hfc, HFCUSB_HDLC_PAR, @@ -1323,10 +1160,9 @@ usb_init(hfcusb_data * hfc) hfc->b_mode[0] = L1_MODE_NULL; hfc->b_mode[1] = L1_MODE_NULL; - hfc->l1_activated = FALSE; - hfc->disc_flag = FALSE; + hfc->l1_activated = 0; + hfc->disc_flag = 0; hfc->led_state = 0; - hfc->led_new_data = 0; hfc->old_led_state = 0; /* init the t3 timer */ @@ -1339,28 +1175,17 @@ usb_init(hfcusb_data * hfc) hfc->t4_timer.data = (long) hfc; hfc->t4_timer.function = (void *) l1_timer_expire_t4; - /* init the led timer */ - init_timer(&hfc->led_timer); - hfc->led_timer.data = (long) hfc; - hfc->led_timer.function = (void *) led_timer; - - /* trigger 4 hz led timer */ - if (!timer_pending(&hfc->led_timer)) { - hfc->led_timer.expires = jiffies + (LED_TIME * HZ) / 1000; - add_timer(&hfc->led_timer); - } - /* init the background machinery for control requests */ hfc->ctrl_read.bRequestType = 0xc0; hfc->ctrl_read.bRequest = 1; - hfc->ctrl_read.wLength = 1; + hfc->ctrl_read.wLength = cpu_to_le16(1); hfc->ctrl_write.bRequestType = 0x40; hfc->ctrl_write.bRequest = 0; hfc->ctrl_write.wLength = 0; usb_fill_control_urb(hfc->ctrl_urb, hfc->dev, hfc->ctrl_out_pipe, - (u_char *) & hfc->ctrl_write, + (u_char *)&hfc->ctrl_write, NULL, 0, ctrl_complete, hfc); /* Init All Fifos */ for (i = 0; i < HFCUSB_NUM_FIFOS; i++) { @@ -1379,7 +1204,11 @@ usb_init(hfcusb_data * hfc) } /* default Prot: EURO ISDN, should be a module_param */ hfc->protocol = 2; - hisax_register(&hfc->d_if, p_b_if, "hfc_usb", hfc->protocol); + i = hisax_register(&hfc->d_if, p_b_if, "hfc_usb", hfc->protocol); + if (i) { + printk(KERN_INFO "HFC-S USB: hisax_register -> %d\n", i); + return i; + } #ifdef CONFIG_HISAX_DEBUG hfc_debug = debug; @@ -1422,11 +1251,9 @@ usb_init(hfcusb_data * hfc) handle_led(hfc, LED_POWER_ON); return (0); -} /* usb_init */ +} -/*************************************************/ -/* function called to probe a new plugged device */ -/*************************************************/ +/* initial callback for each plugged USB device */ static int hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { @@ -1437,30 +1264,25 @@ hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) struct usb_host_endpoint *ep; int ifnum = iface->desc.bInterfaceNumber; int i, idx, alt_idx, probe_alt_setting, vend_idx, cfg_used, *vcf, - attr, cfg_found, cidx, ep_addr; + attr, cfg_found, cidx, ep_addr; int cmptbl[16], small_match, iso_packet_size, packet_size, - alt_used = 0; + alt_used = 0; + hfcsusb_vdata *driver_info; vend_idx = 0xffff; - for (i = 0; vdata[i].vendor; i++) { - if (dev->descriptor.idVendor == vdata[i].vendor - && dev->descriptor.idProduct == vdata[i].prod_id) + for (i = 0; hfcusb_idtab[i].idVendor; i++) { + if ((le16_to_cpu(dev->descriptor.idVendor) == hfcusb_idtab[i].idVendor) + && (le16_to_cpu(dev->descriptor.idProduct) == hfcusb_idtab[i].idProduct)) { vend_idx = i; + continue; + } } -#ifdef CONFIG_HISAX_DEBUG - DBG(USB_DBG, - "HFC-USB: probing interface(%d) actalt(%d) minor(%d)\n", ifnum, - iface->desc.bAlternateSetting, intf->minor); -#endif + printk(KERN_INFO "HFC-S USB: probing interface(%d) actalt(%d) minor(%d)\n", ifnum, iface->desc.bAlternateSetting, intf->minor); if (vend_idx != 0xffff) { -#ifdef CONFIG_HISAX_DEBUG - DBG(USB_DBG, "HFC-S USB: found vendor idx:%d name:%s", - vend_idx, vdata[vend_idx].vend_name); -#endif /* if vendor and product ID is OK, start probing alternate settings */ alt_idx = 0; small_match = 0xffff; @@ -1476,29 +1298,25 @@ hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) /* check for config EOL element */ while (validconf[cfg_used][0]) { - cfg_found = TRUE; + cfg_found = 1; vcf = validconf[cfg_used]; /* first endpoint descriptor */ ep = iface->endpoint; -#ifdef CONFIG_HISAX_DEBUG - DBG(USB_DBG, - "HFC-S USB: (if=%d alt=%d cfg_used=%d)\n", - ifnum, probe_alt_setting, cfg_used); -#endif + memcpy(cmptbl, vcf, 16 * sizeof(int)); /* check for all endpoints in this alternate setting */ for (i = 0; i < iface->desc.bNumEndpoints; i++) { ep_addr = - ep->desc.bEndpointAddress; + ep->desc.bEndpointAddress; /* get endpoint base */ idx = ((ep_addr & 0x7f) - 1) * 2; if (ep_addr & 0x80) idx++; attr = ep->desc.bmAttributes; if (cmptbl[idx] == EP_NUL) { - cfg_found = FALSE; + cfg_found = 0; } if (attr == USB_ENDPOINT_XFER_INT && cmptbl[idx] == EP_INT) @@ -1511,16 +1329,9 @@ hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) cmptbl[idx] = EP_NUL; /* check if all INT endpoints match minimum interval */ - if (attr == USB_ENDPOINT_XFER_INT - && ep->desc.bInterval < - vcf[17]) { -#ifdef CONFIG_HISAX_DEBUG - if (cfg_found) - DBG(USB_DBG, - "HFC-S USB: Interrupt Endpoint interval < %d found - skipping config", - vcf[17]); -#endif - cfg_found = FALSE; + if ((attr == USB_ENDPOINT_XFER_INT) + && (ep->desc.bInterval < vcf[17])) { + cfg_found = 0; } ep++; } @@ -1528,34 +1339,26 @@ hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) /* all entries must be EP_NOP or EP_NUL for a valid config */ if (cmptbl[i] != EP_NOP && cmptbl[i] != EP_NUL) - cfg_found = FALSE; + cfg_found = 0; } if (cfg_found) { if (cfg_used < small_match) { small_match = cfg_used; alt_used = - probe_alt_setting; + probe_alt_setting; iface_used = iface; } -#ifdef CONFIG_HISAX_DEBUG - DBG(USB_DBG, - "HFC-USB: small_match=%x %x\n", - small_match, alt_used); -#endif } cfg_used++; } alt_idx++; - } /* (alt_idx < intf->num_altsetting) */ + } /* (alt_idx < intf->num_altsetting) */ /* found a valid USB Ta Endpint config */ if (small_match != 0xffff) { iface = iface_used; - if (! - (context = - kmalloc(sizeof(hfcusb_data), GFP_KERNEL))) + if (!(context = kzalloc(sizeof(hfcusb_data), GFP_KERNEL))) return (-ENOMEM); /* got no mem */ - memset(context, 0, sizeof(hfcusb_data)); ep = iface->endpoint; vcf = validconf[small_match]; @@ -1573,100 +1376,95 @@ hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) if (vcf[idx] != EP_NOP && vcf[idx] != EP_NUL) { switch (attr) { - case USB_ENDPOINT_XFER_INT: - context-> - fifos[cidx]. - pipe = - usb_rcvintpipe - (dev, - ep->desc. - bEndpointAddress); + case USB_ENDPOINT_XFER_INT: + context-> + fifos[cidx]. + pipe = + usb_rcvintpipe + (dev, + ep->desc. + bEndpointAddress); + context-> + fifos[cidx]. + usb_transfer_mode + = USB_INT; + packet_size = + le16_to_cpu(ep->desc.wMaxPacketSize); + break; + case USB_ENDPOINT_XFER_BULK: + if (ep_addr & 0x80) context-> - fifos[cidx]. - usb_transfer_mode - = USB_INT; - packet_size = - ep->desc. - wMaxPacketSize; - break; - case USB_ENDPOINT_XFER_BULK: - if (ep_addr & 0x80) - context-> - fifos - [cidx]. - pipe = - usb_rcvbulkpipe - (dev, - ep-> - desc. - bEndpointAddress); - else - context-> - fifos - [cidx]. - pipe = - usb_sndbulkpipe - (dev, - ep-> - desc. - bEndpointAddress); + fifos + [cidx]. + pipe = + usb_rcvbulkpipe + (dev, + ep-> + desc. + bEndpointAddress); + else context-> - fifos[cidx]. - usb_transfer_mode - = USB_BULK; - packet_size = - ep->desc. - wMaxPacketSize; - break; - case USB_ENDPOINT_XFER_ISOC: - if (ep_addr & 0x80) - context-> - fifos - [cidx]. - pipe = - usb_rcvisocpipe - (dev, - ep-> - desc. - bEndpointAddress); - else - context-> - fifos - [cidx]. - pipe = - usb_sndisocpipe - (dev, - ep-> - desc. - bEndpointAddress); + fifos + [cidx]. + pipe = + usb_sndbulkpipe + (dev, + ep-> + desc. + bEndpointAddress); + context-> + fifos[cidx]. + usb_transfer_mode + = USB_BULK; + packet_size = + le16_to_cpu(ep->desc.wMaxPacketSize); + break; + case USB_ENDPOINT_XFER_ISOC: + if (ep_addr & 0x80) context-> - fifos[cidx]. - usb_transfer_mode - = USB_ISOC; - iso_packet_size = - ep->desc. - wMaxPacketSize; - break; - default: + fifos + [cidx]. + pipe = + usb_rcvisocpipe + (dev, + ep-> + desc. + bEndpointAddress); + else context-> - fifos[cidx]. - pipe = 0; + fifos + [cidx]. + pipe = + usb_sndisocpipe + (dev, + ep-> + desc. + bEndpointAddress); + context-> + fifos[cidx]. + usb_transfer_mode + = USB_ISOC; + iso_packet_size = + le16_to_cpu(ep->desc.wMaxPacketSize); + break; + default: + context-> + fifos[cidx]. + pipe = 0; } /* switch attribute */ if (context->fifos[cidx].pipe) { context->fifos[cidx]. - fifonum = cidx; + fifonum = cidx; context->fifos[cidx].hfc = - context; + context; + context->fifos[cidx].usb_packet_maxlen = + le16_to_cpu(ep->desc.wMaxPacketSize); context->fifos[cidx]. - usb_packet_maxlen = - ep->desc. - wMaxPacketSize; + intervall = + ep->desc.bInterval; context->fifos[cidx]. - intervall = - ep->desc.bInterval; - context->fifos[cidx]. - skbuff = NULL; + skbuff = NULL; } } ep++; @@ -1682,33 +1480,36 @@ hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) /* create the control pipes needed for register access */ context->ctrl_in_pipe = - usb_rcvctrlpipe(context->dev, 0); + usb_rcvctrlpipe(context->dev, 0); context->ctrl_out_pipe = - usb_sndctrlpipe(context->dev, 0); + usb_sndctrlpipe(context->dev, 0); + + driver_info = (hfcsusb_vdata *) + hfcusb_idtab[vend_idx].driver_info; + context->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL); - printk(KERN_INFO - "HFC-S USB: detected \"%s\"\n", - vdata[vend_idx].vend_name); -#ifdef CONFIG_HISAX_DEBUG - DBG(USB_DBG, - "HFC-S USB: Endpoint-Config: %s (if=%d alt=%d)\n", + if (!context->ctrl_urb) { + pr_warn("%s: No memory for control urb\n", + driver_info->vend_name); + kfree(context); + return -ENOMEM; + } + + pr_info("HFC-S USB: detected \"%s\"\n", + driver_info->vend_name); + + DBG(HFCUSB_DBG_INIT, + "HFC-S USB: Endpoint-Config: %s (if=%d alt=%d), E-Channel(%d)", conf_str[small_match], context->if_used, - context->alt_used); - printk(KERN_INFO - "HFC-S USB: E-channel (\"ECHO:\") logging "); - if (validconf[small_match][18]) - printk(" possible\n"); - else - printk("NOT possible\n"); -#endif + context->alt_used, + validconf[small_match][18]); + /* init the chip and register the driver */ - if (usb_init(context)) { - if (context->ctrl_urb) { - usb_unlink_urb(context->ctrl_urb); - usb_free_urb(context->ctrl_urb); - context->ctrl_urb = NULL; - } + if (hfc_usb_init(context)) { + usb_kill_urb(context->ctrl_urb); + usb_free_urb(context->ctrl_urb); + context->ctrl_urb = NULL; kfree(context); return (-EIO); } @@ -1722,90 +1523,76 @@ hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) return (-EIO); } -/****************************************************/ -/* function called when an active device is removed */ -/****************************************************/ +/* callback for unplugged USB device */ static void -hfc_usb_disconnect(struct usb_interface - *intf) +hfc_usb_disconnect(struct usb_interface *intf) { hfcusb_data *context = usb_get_intfdata(intf); int i; + + handle_led(context, LED_POWER_OFF); + schedule_timeout(HZ / 100); + printk(KERN_INFO "HFC-S USB: device disconnect\n"); - context->disc_flag = TRUE; + context->disc_flag = 1; usb_set_intfdata(intf, NULL); - if (!context) - return; + if (timer_pending(&context->t3_timer)) del_timer(&context->t3_timer); if (timer_pending(&context->t4_timer)) del_timer(&context->t4_timer); - if (timer_pending(&context->led_timer)) - del_timer(&context->led_timer); + /* tell all fifos to terminate */ for (i = 0; i < HFCUSB_NUM_FIFOS; i++) { if (context->fifos[i].usb_transfer_mode == USB_ISOC) { if (context->fifos[i].active > 0) { stop_isoc_chain(&context->fifos[i]); -#ifdef CONFIG_HISAX_DEBUG - DBG(USB_DBG, - "HFC-S USB: hfc_usb_disconnect: stopping ISOC chain Fifo no %i", - i); -#endif + DBG(HFCUSB_DBG_INIT, + "HFC-S USB: %s stopping ISOC chain Fifo(%i)", + __func__, i); } } else { if (context->fifos[i].active > 0) { context->fifos[i].active = 0; -#ifdef CONFIG_HISAX_DEBUG - DBG(USB_DBG, - "HFC-S USB: hfc_usb_disconnect: unlinking URB for Fifo no %i", - i); -#endif - } - if (context->fifos[i].urb) { - usb_unlink_urb(context->fifos[i].urb); - usb_free_urb(context->fifos[i].urb); - context->fifos[i].urb = NULL; + DBG(HFCUSB_DBG_INIT, + "HFC-S USB: %s unlinking URB for Fifo(%i)", + __func__, i); } + usb_kill_urb(context->fifos[i].urb); + usb_free_urb(context->fifos[i].urb); + context->fifos[i].urb = NULL; } context->fifos[i].active = 0; } - /* wait for all URBS to terminate */ - mdelay(10); - if (context->ctrl_urb) { - usb_unlink_urb(context->ctrl_urb); - usb_free_urb(context->ctrl_urb); - context->ctrl_urb = NULL; - } + usb_kill_urb(context->ctrl_urb); + usb_free_urb(context->ctrl_urb); + context->ctrl_urb = NULL; hisax_unregister(&context->d_if); kfree(context); /* free our structure again */ -} /* hfc_usb_disconnect */ +} -/************************************/ -/* our driver information structure */ -/************************************/ static struct usb_driver hfc_drv = { - .owner = THIS_MODULE,.name = - "hfc_usb",.id_table = hfc_usb_idtab,.probe = - hfc_usb_probe,.disconnect = hfc_usb_disconnect, + .name = "hfc_usb", + .id_table = hfcusb_idtab, + .probe = hfc_usb_probe, + .disconnect = hfc_usb_disconnect, + .disable_hub_initiated_lpm = 1, }; + static void __exit -hfc_usb_exit(void) +hfc_usb_mod_exit(void) { -#ifdef CONFIG_HISAX_DEBUG - DBG(USB_DBG, "HFC-S USB: calling \"hfc_usb_exit\" ..."); -#endif - usb_deregister(&hfc_drv); /* release our driver */ + usb_deregister(&hfc_drv); /* release our driver */ printk(KERN_INFO "HFC-S USB: module removed\n"); } static int __init -hfc_usb_init(void) +hfc_usb_mod_init(void) { + char revstr[30], datestr[30], dummy[30]; #ifndef CONFIG_HISAX_DEBUG - unsigned int debug = -1; + hfc_debug = debug; #endif - char revstr[30], datestr[30], dummy[30]; sscanf(hfcusb_revision, "%s %s $ %s %s %s $ ", dummy, revstr, dummy, datestr, dummy); @@ -1820,9 +1607,9 @@ hfc_usb_init(void) return (0); } -module_init(hfc_usb_init); -module_exit(hfc_usb_exit); +module_init(hfc_usb_mod_init); +module_exit(hfc_usb_mod_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); -MODULE_DEVICE_TABLE(usb, hfc_usb_idtab); +MODULE_DEVICE_TABLE(usb, hfcusb_idtab); |
