diff options
Diffstat (limited to 'drivers/staging/winbond/wb35reg.c')
| -rw-r--r-- | drivers/staging/winbond/wb35reg.c | 618 |
1 files changed, 305 insertions, 313 deletions
diff --git a/drivers/staging/winbond/wb35reg.c b/drivers/staging/winbond/wb35reg.c index 1b93547ff5bc..770722385eeb 100644 --- a/drivers/staging/winbond/wb35reg.c +++ b/drivers/staging/winbond/wb35reg.c @@ -6,60 +6,61 @@ extern void phy_calibration_winbond(struct hw_data *phw_data, u32 frequency); -// true : read command process successfully -// false : register not support -// RegisterNo : start base -// pRegisterData : data point -// NumberOfData : number of register data -// Flag : AUTO_INCREMENT - RegisterNo will auto increment 4 -// NO_INCREMENT - Function will write data into the same register -unsigned char -Wb35Reg_BurstWrite(struct hw_data * pHwData, u16 RegisterNo, u32 * pRegisterData, u8 NumberOfData, u8 Flag) +/* + * true : read command process successfully + * false : register not support + * RegisterNo : start base + * pRegisterData : data point + * NumberOfData : number of register data + * Flag : AUTO_INCREMENT - RegisterNo will auto increment 4 + * NO_INCREMENT - Function will write data into the same register + */ +unsigned char Wb35Reg_BurstWrite(struct hw_data *pHwData, u16 RegisterNo, u32 *pRegisterData, u8 NumberOfData, u8 Flag) { - struct wb35_reg *reg = &pHwData->reg; - struct urb *urb = NULL; - struct wb35_reg_queue *reg_queue = NULL; - u16 UrbSize; - struct usb_ctrlrequest *dr; - u16 i, DataSize = NumberOfData*4; - - // Module shutdown + struct wb35_reg *reg = &pHwData->reg; + struct urb *urb = NULL; + struct wb35_reg_queue *reg_queue = NULL; + u16 UrbSize; + struct usb_ctrlrequest *dr; + u16 i, DataSize = NumberOfData * 4; + + /* Module shutdown */ if (pHwData->SurpriseRemove) return false; - // Trying to use burst write function if use new hardware + /* Trying to use burst write function if use new hardware */ UrbSize = sizeof(struct wb35_reg_queue) + DataSize + sizeof(struct usb_ctrlrequest); reg_queue = kzalloc(UrbSize, GFP_ATOMIC); urb = usb_alloc_urb(0, GFP_ATOMIC); - if( urb && reg_queue ) { - reg_queue->DIRECT = 2;// burst write register + if (urb && reg_queue) { + reg_queue->DIRECT = 2; /* burst write register */ reg_queue->INDEX = RegisterNo; reg_queue->pBuffer = (u32 *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue)); - memcpy( reg_queue->pBuffer, pRegisterData, DataSize ); - //the function for reversing register data from little endian to big endian - for( i=0; i<NumberOfData ; i++ ) - reg_queue->pBuffer[i] = cpu_to_le32( reg_queue->pBuffer[i] ); + memcpy(reg_queue->pBuffer, pRegisterData, DataSize); + /* the function for reversing register data from little endian to big endian */ + for (i = 0; i < NumberOfData ; i++) + reg_queue->pBuffer[i] = cpu_to_le32(reg_queue->pBuffer[i]); dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue) + DataSize); dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE; - dr->bRequest = 0x04; // USB or vendor-defined request code, burst mode - dr->wValue = cpu_to_le16( Flag ); // 0: Register number auto-increment, 1: No auto increment - dr->wIndex = cpu_to_le16( RegisterNo ); - dr->wLength = cpu_to_le16( DataSize ); + dr->bRequest = 0x04; /* USB or vendor-defined request code, burst mode */ + dr->wValue = cpu_to_le16(Flag); /* 0: Register number auto-increment, 1: No auto increment */ + dr->wIndex = cpu_to_le16(RegisterNo); + dr->wLength = cpu_to_le16(DataSize); reg_queue->Next = NULL; reg_queue->pUsbReq = dr; reg_queue->urb = urb; - spin_lock_irq( ®->EP0VM_spin_lock ); + spin_lock_irq(®->EP0VM_spin_lock); if (reg->reg_first == NULL) reg->reg_first = reg_queue; else reg->reg_last->Next = reg_queue; reg->reg_last = reg_queue; - spin_unlock_irq( ®->EP0VM_spin_lock ); + spin_unlock_irq(®->EP0VM_spin_lock); - // Start EP0VM + /* Start EP0VM */ Wb35Reg_EP0VM_start(pHwData); return true; @@ -73,8 +74,7 @@ Wb35Reg_BurstWrite(struct hw_data * pHwData, u16 RegisterNo, u32 * pRegisterData return false; } -void -Wb35Reg_Update(struct hw_data * pHwData, u16 RegisterNo, u32 RegisterValue) +void Wb35Reg_Update(struct hw_data *pHwData, u16 RegisterNo, u32 RegisterValue) { struct wb35_reg *reg = &pHwData->reg; switch (RegisterNo) { @@ -116,97 +116,96 @@ Wb35Reg_Update(struct hw_data * pHwData, u16 RegisterNo, u32 RegisterValue) } } -// true : read command process successfully -// false : register not support -unsigned char -Wb35Reg_WriteSync( struct hw_data * pHwData, u16 RegisterNo, u32 RegisterValue ) +/* + * true : read command process successfully + * false : register not support + */ +unsigned char Wb35Reg_WriteSync(struct hw_data *pHwData, u16 RegisterNo, u32 RegisterValue) { struct wb35_reg *reg = &pHwData->reg; int ret = -1; - // Module shutdown + /* Module shutdown */ if (pHwData->SurpriseRemove) return false; RegisterValue = cpu_to_le32(RegisterValue); - // update the register by send usb message------------------------------------ + /* update the register by send usb message */ reg->SyncIoPause = 1; - // 20060717.5 Wait until EP0VM stop + /* Wait until EP0VM stop */ while (reg->EP0vm_state != VM_STOP) msleep(10); - // Sync IoCallDriver + /* Sync IoCallDriver */ reg->EP0vm_state = VM_RUNNING; - ret = usb_control_msg( pHwData->WbUsb.udev, - usb_sndctrlpipe( pHwData->WbUsb.udev, 0 ), + ret = usb_control_msg(pHwData->WbUsb.udev, + usb_sndctrlpipe(pHwData->WbUsb.udev, 0), 0x03, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - 0x0,RegisterNo, &RegisterValue, 4, HZ*100 ); + 0x0, RegisterNo, &RegisterValue, 4, HZ * 100); reg->EP0vm_state = VM_STOP; reg->SyncIoPause = 0; Wb35Reg_EP0VM_start(pHwData); if (ret < 0) { - #ifdef _PE_REG_DUMP_ +#ifdef _PE_REG_DUMP_ printk("EP0 Write register usb message sending error\n"); - #endif - - pHwData->SurpriseRemove = 1; // 20060704.2 +#endif + pHwData->SurpriseRemove = 1; return false; } - return true; } -// true : read command process successfully -// false : register not support -unsigned char -Wb35Reg_Write( struct hw_data * pHwData, u16 RegisterNo, u32 RegisterValue ) +/* + * true : read command process successfully + * false : register not support + */ +unsigned char Wb35Reg_Write(struct hw_data *pHwData, u16 RegisterNo, u32 RegisterValue) { - struct wb35_reg *reg = &pHwData->reg; - struct usb_ctrlrequest *dr; - struct urb *urb = NULL; - struct wb35_reg_queue *reg_queue = NULL; - u16 UrbSize; - + struct wb35_reg *reg = &pHwData->reg; + struct usb_ctrlrequest *dr; + struct urb *urb = NULL; + struct wb35_reg_queue *reg_queue = NULL; + u16 UrbSize; - // Module shutdown + /* Module shutdown */ if (pHwData->SurpriseRemove) return false; - // update the register by send urb request------------------------------------ + /* update the register by send urb request */ UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest); reg_queue = kzalloc(UrbSize, GFP_ATOMIC); urb = usb_alloc_urb(0, GFP_ATOMIC); if (urb && reg_queue) { - reg_queue->DIRECT = 1;// burst write register + reg_queue->DIRECT = 1; /* burst write register */ reg_queue->INDEX = RegisterNo; reg_queue->VALUE = cpu_to_le32(RegisterValue); reg_queue->RESERVED_VALID = false; dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue)); - dr->bRequestType = USB_TYPE_VENDOR|USB_DIR_OUT |USB_RECIP_DEVICE; - dr->bRequest = 0x03; // USB or vendor-defined request code, burst mode + dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE; + dr->bRequest = 0x03; /* USB or vendor-defined request code, burst mode */ dr->wValue = cpu_to_le16(0x0); dr->wIndex = cpu_to_le16(RegisterNo); dr->wLength = cpu_to_le16(4); - // Enter the sending queue + /* Enter the sending queue */ reg_queue->Next = NULL; reg_queue->pUsbReq = dr; reg_queue->urb = urb; - spin_lock_irq(®->EP0VM_spin_lock ); + spin_lock_irq(®->EP0VM_spin_lock); if (reg->reg_first == NULL) reg->reg_first = reg_queue; else reg->reg_last->Next = reg_queue; reg->reg_last = reg_queue; - spin_unlock_irq( ®->EP0VM_spin_lock ); + spin_unlock_irq(®->EP0VM_spin_lock); - // Start EP0VM + /* Start EP0VM */ Wb35Reg_EP0VM_start(pHwData); return true; @@ -218,56 +217,60 @@ Wb35Reg_Write( struct hw_data * pHwData, u16 RegisterNo, u32 RegisterValue ) } } -//This command will be executed with a user defined value. When it completes, -//this value is useful. For example, hal_set_current_channel will use it. -// true : read command process successfully -// false : register not support -unsigned char -Wb35Reg_WriteWithCallbackValue( struct hw_data * pHwData, u16 RegisterNo, u32 RegisterValue, - s8 *pValue, s8 Len) +/* + * This command will be executed with a user defined value. When it completes, + * this value is useful. For example, hal_set_current_channel will use it. + * true : read command process successfully + * false : register not support + */ +unsigned char Wb35Reg_WriteWithCallbackValue(struct hw_data *pHwData, + u16 RegisterNo, + u32 RegisterValue, + s8 *pValue, + s8 Len) { - struct wb35_reg *reg = &pHwData->reg; - struct usb_ctrlrequest *dr; - struct urb *urb = NULL; - struct wb35_reg_queue *reg_queue = NULL; - u16 UrbSize; + struct wb35_reg *reg = &pHwData->reg; + struct usb_ctrlrequest *dr; + struct urb *urb = NULL; + struct wb35_reg_queue *reg_queue = NULL; + u16 UrbSize; - // Module shutdown + /* Module shutdown */ if (pHwData->SurpriseRemove) return false; - // update the register by send urb request------------------------------------ + /* update the register by send urb request */ UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest); reg_queue = kzalloc(UrbSize, GFP_ATOMIC); urb = usb_alloc_urb(0, GFP_ATOMIC); if (urb && reg_queue) { - reg_queue->DIRECT = 1;// burst write register + reg_queue->DIRECT = 1; /* burst write register */ reg_queue->INDEX = RegisterNo; reg_queue->VALUE = cpu_to_le32(RegisterValue); - //NOTE : Users must guarantee the size of value will not exceed the buffer size. + /* NOTE : Users must guarantee the size of value will not exceed the buffer size. */ memcpy(reg_queue->RESERVED, pValue, Len); reg_queue->RESERVED_VALID = true; dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue)); - dr->bRequestType = USB_TYPE_VENDOR|USB_DIR_OUT |USB_RECIP_DEVICE; - dr->bRequest = 0x03; // USB or vendor-defined request code, burst mode + dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE; + dr->bRequest = 0x03; /* USB or vendor-defined request code, burst mode */ dr->wValue = cpu_to_le16(0x0); dr->wIndex = cpu_to_le16(RegisterNo); dr->wLength = cpu_to_le16(4); - // Enter the sending queue + /* Enter the sending queue */ reg_queue->Next = NULL; reg_queue->pUsbReq = dr; reg_queue->urb = urb; - spin_lock_irq (®->EP0VM_spin_lock ); - if( reg->reg_first == NULL ) + spin_lock_irq(®->EP0VM_spin_lock); + if (reg->reg_first == NULL) reg->reg_first = reg_queue; else reg->reg_last->Next = reg_queue; reg->reg_last = reg_queue; - spin_unlock_irq ( ®->EP0VM_spin_lock ); + spin_unlock_irq(®->EP0VM_spin_lock); - // Start EP0VM + /* Start EP0VM */ Wb35Reg_EP0VM_start(pHwData); return true; } else { @@ -278,115 +281,114 @@ Wb35Reg_WriteWithCallbackValue( struct hw_data * pHwData, u16 RegisterNo, u32 Re } } -// true : read command process successfully -// false : register not support -// pRegisterValue : It must be a resident buffer due to asynchronous read register. -unsigned char -Wb35Reg_ReadSync( struct hw_data * pHwData, u16 RegisterNo, u32 * pRegisterValue ) +/* + * true : read command process successfully + * false : register not support + * pRegisterValue : It must be a resident buffer due to + * asynchronous read register. + */ +unsigned char Wb35Reg_ReadSync(struct hw_data *pHwData, u16 RegisterNo, u32 *pRegisterValue) { struct wb35_reg *reg = &pHwData->reg; - u32 * pltmp = pRegisterValue; - int ret = -1; + u32 *pltmp = pRegisterValue; + int ret = -1; - // Module shutdown + /* Module shutdown */ if (pHwData->SurpriseRemove) return false; - // Read the register by send usb message------------------------------------ - + /* Read the register by send usb message */ reg->SyncIoPause = 1; - // 20060717.5 Wait until EP0VM stop + /* Wait until EP0VM stop */ while (reg->EP0vm_state != VM_STOP) msleep(10); reg->EP0vm_state = VM_RUNNING; - ret = usb_control_msg( pHwData->WbUsb.udev, + ret = usb_control_msg(pHwData->WbUsb.udev, usb_rcvctrlpipe(pHwData->WbUsb.udev, 0), - 0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN, - 0x0, RegisterNo, pltmp, 4, HZ*100 ); + 0x01, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, + 0x0, RegisterNo, pltmp, 4, HZ * 100); *pRegisterValue = cpu_to_le32(*pltmp); reg->EP0vm_state = VM_STOP; - Wb35Reg_Update( pHwData, RegisterNo, *pRegisterValue ); + Wb35Reg_Update(pHwData, RegisterNo, *pRegisterValue); reg->SyncIoPause = 0; - Wb35Reg_EP0VM_start( pHwData ); + Wb35Reg_EP0VM_start(pHwData); if (ret < 0) { - #ifdef _PE_REG_DUMP_ +#ifdef _PE_REG_DUMP_ printk("EP0 Read register usb message sending error\n"); - #endif - - pHwData->SurpriseRemove = 1; // 20060704.2 +#endif + pHwData->SurpriseRemove = 1; return false; } - return true; } -// true : read command process successfully -// false : register not support -// pRegisterValue : It must be a resident buffer due to asynchronous read register. -unsigned char -Wb35Reg_Read(struct hw_data * pHwData, u16 RegisterNo, u32 * pRegisterValue ) +/* + * true : read command process successfully + * false : register not support + * pRegisterValue : It must be a resident buffer due to + * asynchronous read register. + */ +unsigned char Wb35Reg_Read(struct hw_data *pHwData, u16 RegisterNo, u32 *pRegisterValue) { - struct wb35_reg *reg = &pHwData->reg; - struct usb_ctrlrequest * dr; - struct urb *urb; - struct wb35_reg_queue *reg_queue; - u16 UrbSize; + struct wb35_reg *reg = &pHwData->reg; + struct usb_ctrlrequest *dr; + struct urb *urb; + struct wb35_reg_queue *reg_queue; + u16 UrbSize; - // Module shutdown + /* Module shutdown */ if (pHwData->SurpriseRemove) return false; - // update the variable by send Urb to read register ------------------------------------ + /* update the variable by send Urb to read register */ UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest); reg_queue = kzalloc(UrbSize, GFP_ATOMIC); urb = usb_alloc_urb(0, GFP_ATOMIC); - if( urb && reg_queue ) - { - reg_queue->DIRECT = 0;// read register + if (urb && reg_queue) { + reg_queue->DIRECT = 0; /* read register */ reg_queue->INDEX = RegisterNo; reg_queue->pBuffer = pRegisterValue; dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue)); - dr->bRequestType = USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN; - dr->bRequest = 0x01; // USB or vendor-defined request code, burst mode + dr->bRequestType = USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN; + dr->bRequest = 0x01; /* USB or vendor-defined request code, burst mode */ dr->wValue = cpu_to_le16(0x0); - dr->wIndex = cpu_to_le16 (RegisterNo); - dr->wLength = cpu_to_le16 (4); + dr->wIndex = cpu_to_le16(RegisterNo); + dr->wLength = cpu_to_le16(4); - // Enter the sending queue + /* Enter the sending queue */ reg_queue->Next = NULL; reg_queue->pUsbReq = dr; reg_queue->urb = urb; - spin_lock_irq ( ®->EP0VM_spin_lock ); - if( reg->reg_first == NULL ) + spin_lock_irq(®->EP0VM_spin_lock); + if (reg->reg_first == NULL) reg->reg_first = reg_queue; else reg->reg_last->Next = reg_queue; reg->reg_last = reg_queue; - spin_unlock_irq( ®->EP0VM_spin_lock ); + spin_unlock_irq(®->EP0VM_spin_lock); - // Start EP0VM - Wb35Reg_EP0VM_start( pHwData ); + /* Start EP0VM */ + Wb35Reg_EP0VM_start(pHwData); return true; } else { if (urb) - usb_free_urb( urb ); + usb_free_urb(urb); kfree(reg_queue); return false; } } -void -Wb35Reg_EP0VM_start( struct hw_data * pHwData ) +void Wb35Reg_EP0VM_start(struct hw_data *pHwData) { struct wb35_reg *reg = &pHwData->reg; @@ -397,15 +399,14 @@ Wb35Reg_EP0VM_start( struct hw_data * pHwData ) atomic_dec(®->RegFireCount); } -void -Wb35Reg_EP0VM(struct hw_data * pHwData ) +void Wb35Reg_EP0VM(struct hw_data *pHwData) { - struct wb35_reg *reg = &pHwData->reg; - struct urb *urb; - struct usb_ctrlrequest *dr; - u32 * pBuffer; + struct wb35_reg *reg = &pHwData->reg; + struct urb *urb; + struct usb_ctrlrequest *dr; + u32 *pBuffer; int ret = -1; - struct wb35_reg_queue *reg_queue; + struct wb35_reg_queue *reg_queue; if (reg->SyncIoPause) @@ -414,27 +415,27 @@ Wb35Reg_EP0VM(struct hw_data * pHwData ) if (pHwData->SurpriseRemove) goto cleanup; - // Get the register data and send to USB through Irp - spin_lock_irq( ®->EP0VM_spin_lock ); + /* Get the register data and send to USB through Irp */ + spin_lock_irq(®->EP0VM_spin_lock); reg_queue = reg->reg_first; - spin_unlock_irq( ®->EP0VM_spin_lock ); + spin_unlock_irq(®->EP0VM_spin_lock); if (!reg_queue) goto cleanup; - // Get an Urb, send it + /* Get an Urb, send it */ urb = (struct urb *)reg_queue->urb; dr = reg_queue->pUsbReq; urb = reg_queue->urb; pBuffer = reg_queue->pBuffer; - if (reg_queue->DIRECT == 1) // output + if (reg_queue->DIRECT == 1) /* output */ pBuffer = ®_queue->VALUE; - usb_fill_control_urb( urb, pHwData->WbUsb.udev, - REG_DIRECTION(pHwData->WbUsb.udev,reg_queue), - (u8 *)dr,pBuffer,cpu_to_le16(dr->wLength), - Wb35Reg_EP0VM_complete, (void*)pHwData); + usb_fill_control_urb(urb, pHwData->WbUsb.udev, + REG_DIRECTION(pHwData->WbUsb.udev, reg_queue), + (u8 *)dr, pBuffer, cpu_to_le16(dr->wLength), + Wb35Reg_EP0VM_complete, (void *)pHwData); reg->EP0vm_state = VM_RUNNING; @@ -446,7 +447,6 @@ Wb35Reg_EP0VM(struct hw_data * pHwData ) #endif goto cleanup; } - return; cleanup: @@ -455,29 +455,28 @@ Wb35Reg_EP0VM(struct hw_data * pHwData ) } -void -Wb35Reg_EP0VM_complete(struct urb *urb) +void Wb35Reg_EP0VM_complete(struct urb *urb) { - struct hw_data * pHwData = (struct hw_data *)urb->context; - struct wb35_reg *reg = &pHwData->reg; - struct wb35_reg_queue *reg_queue; + struct hw_data *pHwData = (struct hw_data *)urb->context; + struct wb35_reg *reg = &pHwData->reg; + struct wb35_reg_queue *reg_queue; - // Variable setting + /* Variable setting */ reg->EP0vm_state = VM_COMPLETED; reg->EP0VM_status = urb->status; - if (pHwData->SurpriseRemove) { // Let WbWlanHalt to handle surprise remove + if (pHwData->SurpriseRemove) { /* Let WbWlanHalt to handle surprise remove */ reg->EP0vm_state = VM_STOP; atomic_dec(®->RegFireCount); } else { - // Complete to send, remove the URB from the first - spin_lock_irq( ®->EP0VM_spin_lock ); + /* Complete to send, remove the URB from the first */ + spin_lock_irq(®->EP0VM_spin_lock); reg_queue = reg->reg_first; if (reg_queue == reg->reg_last) reg->reg_last = NULL; reg->reg_first = reg->reg_first->Next; - spin_unlock_irq( ®->EP0VM_spin_lock ); + spin_unlock_irq(®->EP0VM_spin_lock); if (reg->EP0VM_status) { #ifdef _PE_REG_DUMP_ @@ -486,37 +485,35 @@ Wb35Reg_EP0VM_complete(struct urb *urb) reg->EP0vm_state = VM_STOP; pHwData->SurpriseRemove = 1; } else { - // Success. Update the result + /* Success. Update the result */ - // Start the next send + /* Start the next send */ Wb35Reg_EP0VM(pHwData); } - kfree(reg_queue); + kfree(reg_queue); } usb_free_urb(urb); } -void -Wb35Reg_destroy(struct hw_data * pHwData) +void Wb35Reg_destroy(struct hw_data *pHwData) { - struct wb35_reg *reg = &pHwData->reg; - struct urb *urb; - struct wb35_reg_queue *reg_queue; - + struct wb35_reg *reg = &pHwData->reg; + struct urb *urb; + struct wb35_reg_queue *reg_queue; Uxx_power_off_procedure(pHwData); - // Wait for Reg operation completed + /* Wait for Reg operation completed */ do { - msleep(10); // Delay for waiting function enter 940623.1.a + msleep(10); /* Delay for waiting function enter */ } while (reg->EP0vm_state != VM_STOP); - msleep(10); // Delay for waiting function enter 940623.1.b + msleep(10); /* Delay for waiting function enter */ - // Release all the data in RegQueue - spin_lock_irq( ®->EP0VM_spin_lock ); + /* Release all the data in RegQueue */ + spin_lock_irq(®->EP0VM_spin_lock); reg_queue = reg->reg_first; while (reg_queue) { if (reg_queue == reg->reg_last) @@ -524,84 +521,88 @@ Wb35Reg_destroy(struct hw_data * pHwData) reg->reg_first = reg->reg_first->Next; urb = reg_queue->urb; - spin_unlock_irq( ®->EP0VM_spin_lock ); + spin_unlock_irq(®->EP0VM_spin_lock); if (urb) { usb_free_urb(urb); kfree(reg_queue); } else { - #ifdef _PE_REG_DUMP_ +#ifdef _PE_REG_DUMP_ printk("EP0 queue release error\n"); - #endif +#endif } - spin_lock_irq( ®->EP0VM_spin_lock ); + spin_lock_irq(®->EP0VM_spin_lock); reg_queue = reg->reg_first; } - spin_unlock_irq( ®->EP0VM_spin_lock ); + spin_unlock_irq(®->EP0VM_spin_lock); } -//==================================================================================== -// The function can be run in passive-level only. -//==================================================================================== -unsigned char Wb35Reg_initial(struct hw_data * pHwData) +/* + * ======================================================================= + * The function can be run in passive-level only. + * ========================================================================= + */ +unsigned char Wb35Reg_initial(struct hw_data *pHwData) { - struct wb35_reg *reg=&pHwData->reg; + struct wb35_reg *reg = &pHwData->reg; u32 ltmp; u32 SoftwareSet, VCO_trim, TxVga, Region_ScanInterval; - // Spin lock is acquired for read and write IRP command - spin_lock_init( ®->EP0VM_spin_lock ); - - // Getting RF module type from EEPROM ------------------------------------ - Wb35Reg_WriteSync( pHwData, 0x03b4, 0x080d0000 ); // Start EEPROM access + Read + address(0x0d) - Wb35Reg_ReadSync( pHwData, 0x03b4, <mp ); - - //Update RF module type and determine the PHY type by inf or EEPROM - reg->EEPROMPhyType = (u8)( ltmp & 0xff ); - // 0 V MAX2825, 1 V MAX2827, 2 V MAX2828, 3 V MAX2829 - // 16V AL2230, 17 - AL7230, 18 - AL2230S - // 32 Reserved - // 33 - W89RF242(TxVGA 0~19), 34 - W89RF242(TxVGA 0~34) + /* Spin lock is acquired for read and write IRP command */ + spin_lock_init(®->EP0VM_spin_lock); + + /* Getting RF module type from EEPROM */ + Wb35Reg_WriteSync(pHwData, 0x03b4, 0x080d0000); /* Start EEPROM access + Read + address(0x0d) */ + Wb35Reg_ReadSync(pHwData, 0x03b4, <mp); + + /* Update RF module type and determine the PHY type by inf or EEPROM */ + reg->EEPROMPhyType = (u8)(ltmp & 0xff); + /* + * 0 V MAX2825, 1 V MAX2827, 2 V MAX2828, 3 V MAX2829 + * 16V AL2230, 17 - AL7230, 18 - AL2230S + * 32 Reserved + * 33 - W89RF242(TxVGA 0~19), 34 - W89RF242(TxVGA 0~34) + */ if (reg->EEPROMPhyType != RF_DECIDE_BY_INF) { - if( (reg->EEPROMPhyType == RF_MAXIM_2825) || + if ((reg->EEPROMPhyType == RF_MAXIM_2825) || (reg->EEPROMPhyType == RF_MAXIM_2827) || (reg->EEPROMPhyType == RF_MAXIM_2828) || (reg->EEPROMPhyType == RF_MAXIM_2829) || (reg->EEPROMPhyType == RF_MAXIM_V1) || (reg->EEPROMPhyType == RF_AIROHA_2230) || - (reg->EEPROMPhyType == RF_AIROHA_2230S) || + (reg->EEPROMPhyType == RF_AIROHA_2230S) || (reg->EEPROMPhyType == RF_AIROHA_7230) || - (reg->EEPROMPhyType == RF_WB_242) || + (reg->EEPROMPhyType == RF_WB_242) || (reg->EEPROMPhyType == RF_WB_242_1)) pHwData->phy_type = reg->EEPROMPhyType; } - // Power On procedure running. The relative parameter will be set according to phy_type - Uxx_power_on_procedure( pHwData ); + /* Power On procedure running. The relative parameter will be set according to phy_type */ + Uxx_power_on_procedure(pHwData); - // Reading MAC address - Uxx_ReadEthernetAddress( pHwData ); + /* Reading MAC address */ + Uxx_ReadEthernetAddress(pHwData); - // Read VCO trim for RF parameter - Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08200000 ); - Wb35Reg_ReadSync( pHwData, 0x03b4, &VCO_trim ); + /* Read VCO trim for RF parameter */ + Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08200000); + Wb35Reg_ReadSync(pHwData, 0x03b4, &VCO_trim); - // Read Antenna On/Off of software flag - Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08210000 ); - Wb35Reg_ReadSync( pHwData, 0x03b4, &SoftwareSet ); + /* Read Antenna On/Off of software flag */ + Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08210000); + Wb35Reg_ReadSync(pHwData, 0x03b4, &SoftwareSet); - // Read TXVGA - Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08100000 ); - Wb35Reg_ReadSync( pHwData, 0x03b4, &TxVga ); + /* Read TXVGA */ + Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08100000); + Wb35Reg_ReadSync(pHwData, 0x03b4, &TxVga); - // Get Scan interval setting from EEPROM offset 0x1c - Wb35Reg_WriteSync( pHwData, 0x03b4, 0x081d0000 ); - Wb35Reg_ReadSync( pHwData, 0x03b4, &Region_ScanInterval ); + /* Get Scan interval setting from EEPROM offset 0x1c */ + Wb35Reg_WriteSync(pHwData, 0x03b4, 0x081d0000); + Wb35Reg_ReadSync(pHwData, 0x03b4, &Region_ScanInterval); - // Update Ethernet address - memcpy( pHwData->CurrentMacAddress, pHwData->PermanentMacAddress, ETH_ALEN ); + /* Update Ethernet address */ + memcpy(pHwData->CurrentMacAddress, pHwData->PermanentMacAddress, ETH_ALEN); - // Update software variable + /* Update software variable */ pHwData->SoftwareSet = (u16)(SoftwareSet & 0xffff); TxVga &= 0x000000ff; pHwData->PowerIndexFromEEPROM = (u8)TxVga; @@ -609,22 +610,22 @@ unsigned char Wb35Reg_initial(struct hw_data * pHwData) if (pHwData->VCO_trim == 0xff) pHwData->VCO_trim = 0x28; - reg->EEPROMRegion = (u8)(Region_ScanInterval>>8); // 20060720 - if( reg->EEPROMRegion<1 || reg->EEPROMRegion>6 ) + reg->EEPROMRegion = (u8)(Region_ScanInterval >> 8); + if (reg->EEPROMRegion < 1 || reg->EEPROMRegion > 6) reg->EEPROMRegion = REGION_AUTO; - //For Get Tx VGA from EEPROM 20060315.5 move here - GetTxVgaFromEEPROM( pHwData ); + /* For Get Tx VGA from EEPROM */ + GetTxVgaFromEEPROM(pHwData); - // Set Scan Interval + /* Set Scan Interval */ pHwData->Scan_Interval = (u8)(Region_ScanInterval & 0xff) * 10; - if ((pHwData->Scan_Interval == 2550) || (pHwData->Scan_Interval < 10)) // Is default setting 0xff * 10 + if ((pHwData->Scan_Interval == 2550) || (pHwData->Scan_Interval < 10)) /* Is default setting 0xff * 10 */ pHwData->Scan_Interval = SCAN_MAX_CHNL_TIME; - // Initial register + /* Initial register */ RFSynthesizer_initial(pHwData); - BBProcessor_initial(pHwData); // Async write, must wait until complete + BBProcessor_initial(pHwData); /* Async write, must wait until complete */ Wb35Reg_phy_calibration(pHwData); @@ -634,113 +635,104 @@ unsigned char Wb35Reg_initial(struct hw_data * pHwData) if (pHwData->SurpriseRemove) return false; else - return true; // Initial fail + return true; /* Initial fail */ } -//=================================================================================== -// CardComputeCrc -- -// -// Description: -// Runs the AUTODIN II CRC algorithm on buffer Buffer of length, Length. -// -// Arguments: -// Buffer - the input buffer -// Length - the length of Buffer -// -// Return Value: -// The 32-bit CRC value. -// -// Note: -// This is adapted from the comments in the assembly language -// version in _GENREQ.ASM of the DWB NE1000/2000 driver. -//================================================================================== -u32 -CardComputeCrc(u8 * Buffer, u32 Length) +/* + * ================================================================ + * CardComputeCrc -- + * + * Description: + * Runs the AUTODIN II CRC algorithm on buffer Buffer of length, Length. + * + * Arguments: + * Buffer - the input buffer + * Length - the length of Buffer + * + * Return Value: + * The 32-bit CRC value. + * =================================================================== + */ +u32 CardComputeCrc(u8 *Buffer, u32 Length) { - u32 Crc, Carry; - u32 i, j; - u8 CurByte; - - Crc = 0xffffffff; - - for (i = 0; i < Length; i++) { - - CurByte = Buffer[i]; - - for (j = 0; j < 8; j++) { - - Carry = ((Crc & 0x80000000) ? 1 : 0) ^ (CurByte & 0x01); - Crc <<= 1; - CurByte >>= 1; - - if (Carry) { - Crc =(Crc ^ 0x04c11db6) | Carry; - } - } - } - - return Crc; + u32 Crc, Carry; + u32 i, j; + u8 CurByte; + + Crc = 0xffffffff; + + for (i = 0; i < Length; i++) { + CurByte = Buffer[i]; + for (j = 0; j < 8; j++) { + Carry = ((Crc & 0x80000000) ? 1 : 0) ^ (CurByte & 0x01); + Crc <<= 1; + CurByte >>= 1; + if (Carry) + Crc = (Crc ^ 0x04c11db6) | Carry; + } + } + return Crc; } -//================================================================== -// BitReverse -- -// Reverse the bits in the input argument, dwData, which is -// regarded as a string of bits with the length, DataLength. -// -// Arguments: -// dwData : -// DataLength : -// -// Return: -// The converted value. -//================================================================== -u32 BitReverse( u32 dwData, u32 DataLength) +/* + * ================================================================== + * BitReverse -- + * Reverse the bits in the input argument, dwData, which is + * regarded as a string of bits with the length, DataLength. + * + * Arguments: + * dwData : + * DataLength : + * + * Return: + * The converted value. + * ================================================================== + */ +u32 BitReverse(u32 dwData, u32 DataLength) { - u32 HalfLength, i, j; - u32 BitA, BitB; + u32 HalfLength, i, j; + u32 BitA, BitB; - if ( DataLength <= 0) return 0; // No conversion is done. + if (DataLength <= 0) + return 0; /* No conversion is done. */ dwData = dwData & (0xffffffff >> (32 - DataLength)); HalfLength = DataLength / 2; - for ( i = 0, j = DataLength-1 ; i < HalfLength; i++, j--) - { - BitA = GetBit( dwData, i); - BitB = GetBit( dwData, j); + for (i = 0, j = DataLength - 1; i < HalfLength; i++, j--) { + BitA = GetBit(dwData, i); + BitB = GetBit(dwData, j); if (BitA && !BitB) { - dwData = ClearBit( dwData, i); - dwData = SetBit( dwData, j); + dwData = ClearBit(dwData, i); + dwData = SetBit(dwData, j); } else if (!BitA && BitB) { - dwData = SetBit( dwData, i); - dwData = ClearBit( dwData, j); - } else - { - // Do nothing since these two bits are of the save values. + dwData = SetBit(dwData, i); + dwData = ClearBit(dwData, j); + } else { + /* Do nothing since these two bits are of the save values. */ } } - return dwData; } -void Wb35Reg_phy_calibration( struct hw_data * pHwData ) +void Wb35Reg_phy_calibration(struct hw_data *pHwData) { - u32 BB3c, BB54; + u32 BB3c, BB54; if ((pHwData->phy_type == RF_WB_242) || (pHwData->phy_type == RF_WB_242_1)) { - phy_calibration_winbond ( pHwData, 2412 ); // Sync operation - Wb35Reg_ReadSync( pHwData, 0x103c, &BB3c ); - Wb35Reg_ReadSync( pHwData, 0x1054, &BB54 ); + phy_calibration_winbond(pHwData, 2412); /* Sync operation */ + Wb35Reg_ReadSync(pHwData, 0x103c, &BB3c); + Wb35Reg_ReadSync(pHwData, 0x1054, &BB54); pHwData->BB3c_cal = BB3c; pHwData->BB54_cal = BB54; RFSynthesizer_initial(pHwData); - BBProcessor_initial(pHwData); // Async operation + BBProcessor_initial(pHwData); /* Async operation */ - Wb35Reg_WriteSync( pHwData, 0x103c, BB3c ); - Wb35Reg_WriteSync( pHwData, 0x1054, BB54 ); + Wb35Reg_WriteSync(pHwData, 0x103c, BB3c); + Wb35Reg_WriteSync(pHwData, 0x1054, BB54); } } |