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								/* $Id: avm_a1.c,v 2.15.2.4 2004/01/13 21:46:03 keil Exp $
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								 *
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								 * low level stuff for AVM A1 (Fritz) isdn cards
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								 *
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								 * Author       Karsten Keil
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								 * Copyright    by Karsten Keil      <keil@isdn4linux.de>
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								 *
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								 * This software may be used and distributed according to the terms
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								 * of the GNU General Public License, incorporated herein by reference.
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								 *
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								 */
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								#include <linux/init.h>
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								#include "hisax.h"
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								#include "isac.h"
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								#include "hscx.h"
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								#include "isdnl1.h"
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								static const char *avm_revision = "$Revision: 2.15.2.4 $";
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								#define	 AVM_A1_STAT_ISAC	0x01
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								#define	 AVM_A1_STAT_HSCX	0x02
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								#define	 AVM_A1_STAT_TIMER	0x04
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								#define byteout(addr, val) outb(val, addr)
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								#define bytein(addr) inb(addr)
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								static inline u_char
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								readreg(unsigned int adr, u_char off)
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								{
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									return (bytein(adr + off));
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								}
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								static inline void
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								writereg(unsigned int adr, u_char off, u_char data)
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								{
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									byteout(adr + off, data);
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								}
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								static inline void
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								read_fifo(unsigned int adr, u_char *data, int size)
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								{
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									insb(adr, data, size);
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								}
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								static void
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								write_fifo(unsigned int adr, u_char *data, int size)
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								{
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									outsb(adr, data, size);
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								}
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								/* Interface functions */
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								static u_char
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								ReadISAC(struct IsdnCardState *cs, u_char offset)
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								{
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									return (readreg(cs->hw.avm.isac, offset));
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								}
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								static void
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								WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
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								{
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									writereg(cs->hw.avm.isac, offset, value);
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								}
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								static void
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								ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
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								{
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									read_fifo(cs->hw.avm.isacfifo, data, size);
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								}
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								static void
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								WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
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								{
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									write_fifo(cs->hw.avm.isacfifo, data, size);
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								}
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								static u_char
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								ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
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								{
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									return (readreg(cs->hw.avm.hscx[hscx], offset));
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								}
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								static void
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								WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
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								{
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									writereg(cs->hw.avm.hscx[hscx], offset, value);
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								}
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								/*
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								 * fast interrupt HSCX stuff goes here
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								 */
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								#define READHSCX(cs, nr, reg) readreg(cs->hw.avm.hscx[nr], reg)
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								#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.avm.hscx[nr], reg, data)
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								#define READHSCXFIFO(cs, nr, ptr, cnt) read_fifo(cs->hw.avm.hscxfifo[nr], ptr, cnt)
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								#define WRITEHSCXFIFO(cs, nr, ptr, cnt) write_fifo(cs->hw.avm.hscxfifo[nr], ptr, cnt)
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								#include "hscx_irq.c"
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								static irqreturn_t
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												IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
Maintain a per-CPU global "struct pt_regs *" variable which can be used instead
of passing regs around manually through all ~1800 interrupt handlers in the
Linux kernel.
The regs pointer is used in few places, but it potentially costs both stack
space and code to pass it around.  On the FRV arch, removing the regs parameter
from all the genirq function results in a 20% speed up of the IRQ exit path
(ie: from leaving timer_interrupt() to leaving do_IRQ()).
Where appropriate, an arch may override the generic storage facility and do
something different with the variable.  On FRV, for instance, the address is
maintained in GR28 at all times inside the kernel as part of general exception
handling.
Having looked over the code, it appears that the parameter may be handed down
through up to twenty or so layers of functions.  Consider a USB character
device attached to a USB hub, attached to a USB controller that posts its
interrupts through a cascaded auxiliary interrupt controller.  A character
device driver may want to pass regs to the sysrq handler through the input
layer which adds another few layers of parameter passing.
I've build this code with allyesconfig for x86_64 and i386.  I've runtested the
main part of the code on FRV and i386, though I can't test most of the drivers.
I've also done partial conversion for powerpc and MIPS - these at least compile
with minimal configurations.
This will affect all archs.  Mostly the changes should be relatively easy.
Take do_IRQ(), store the regs pointer at the beginning, saving the old one:
	struct pt_regs *old_regs = set_irq_regs(regs);
And put the old one back at the end:
	set_irq_regs(old_regs);
Don't pass regs through to generic_handle_irq() or __do_IRQ().
In timer_interrupt(), this sort of change will be necessary:
	-	update_process_times(user_mode(regs));
	-	profile_tick(CPU_PROFILING, regs);
	+	update_process_times(user_mode(get_irq_regs()));
	+	profile_tick(CPU_PROFILING);
I'd like to move update_process_times()'s use of get_irq_regs() into itself,
except that i386, alone of the archs, uses something other than user_mode().
Some notes on the interrupt handling in the drivers:
 (*) input_dev() is now gone entirely.  The regs pointer is no longer stored in
     the input_dev struct.
 (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking.  It does
     something different depending on whether it's been supplied with a regs
     pointer or not.
 (*) Various IRQ handler function pointers have been moved to type
     irq_handler_t.
Signed-Off-By: David Howells <dhowells@redhat.com>
(cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
											
										 
										
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								avm_a1_interrupt(int intno, void *dev_id)
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								{
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									struct IsdnCardState *cs = dev_id;
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									u_char val, sval;
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									u_long flags;
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									spin_lock_irqsave(&cs->lock, flags);
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									while (((sval = bytein(cs->hw.avm.cfg_reg)) & 0xf) != 0x7) {
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										if (!(sval & AVM_A1_STAT_TIMER)) {
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											byteout(cs->hw.avm.cfg_reg, 0x1E);
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											sval = bytein(cs->hw.avm.cfg_reg);
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										} else if (cs->debug & L1_DEB_INTSTAT)
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											debugl1(cs, "avm IntStatus %x", sval);
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										if (!(sval & AVM_A1_STAT_HSCX)) {
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											val = readreg(cs->hw.avm.hscx[1], HSCX_ISTA);
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											if (val)
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												hscx_int_main(cs, val);
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										}
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										if (!(sval & AVM_A1_STAT_ISAC)) {
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											val = readreg(cs->hw.avm.isac, ISAC_ISTA);
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											if (val)
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												isac_interrupt(cs, val);
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										}
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									}
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									writereg(cs->hw.avm.hscx[0], HSCX_MASK, 0xFF);
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									writereg(cs->hw.avm.hscx[1], HSCX_MASK, 0xFF);
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									writereg(cs->hw.avm.isac, ISAC_MASK, 0xFF);
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									writereg(cs->hw.avm.isac, ISAC_MASK, 0x0);
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									writereg(cs->hw.avm.hscx[0], HSCX_MASK, 0x0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									writereg(cs->hw.avm.hscx[1], HSCX_MASK, 0x0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									spin_unlock_irqrestore(&cs->lock, flags);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									return IRQ_HANDLED;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											2005-07-27 11:46:09 -07:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
								static inline void
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
								release_ioregs(struct IsdnCardState *cs, int mask)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								{
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									release_region(cs->hw.avm.cfg_reg, 8);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (mask & 1)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_region(cs->hw.avm.isac + 32, 32);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (mask & 2)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_region(cs->hw.avm.isacfifo, 1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (mask & 4)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_region(cs->hw.avm.hscx[0] + 32, 32);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (mask & 8)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_region(cs->hw.avm.hscxfifo[0], 1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (mask & 0x10)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_region(cs->hw.avm.hscx[1] + 32, 32);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (mask & 0x20)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_region(cs->hw.avm.hscxfifo[1], 1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								static int
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								AVM_card_msg(struct IsdnCardState *cs, int mt, void *arg)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								{
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									u_long flags;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									switch (mt) {
							 | 
						
					
						
							
								
									
										
										
										
											2012-02-19 19:52:38 -08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
									case CARD_RESET:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									case CARD_RELEASE:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_ioregs(cs, 0x3f);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									case CARD_INIT:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										spin_lock_irqsave(&cs->lock, flags);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										inithscxisac(cs, 1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										byteout(cs->hw.avm.cfg_reg, 0x16);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										byteout(cs->hw.avm.cfg_reg, 0x1E);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										inithscxisac(cs, 2);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										spin_unlock_irqrestore(&cs->lock, flags);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									case CARD_TEST:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
									}
							 | 
						
					
						
							
								
									
										
										
										
											2012-02-19 19:52:38 -08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
									return (0);
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
								}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											2012-12-21 13:13:05 -08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
								int setup_avm_a1(struct IsdnCard *card)
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
								{
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									u_char val;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									struct IsdnCardState *cs = card->cs;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									char tmp[64];
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									strcpy(tmp, avm_revision);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									printk(KERN_INFO "HiSax: AVM driver Rev. %s\n", HiSax_getrev(tmp));
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (cs->typ != ISDN_CTYPE_A1)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->hw.avm.cfg_reg = card->para[1] + 0x1800;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->hw.avm.isac = card->para[1] + 0x1400 - 0x20;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->hw.avm.hscx[0] = card->para[1] + 0x400 - 0x20;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->hw.avm.hscx[1] = card->para[1] + 0xc00 - 0x20;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->hw.avm.isacfifo = card->para[1] + 0x1000;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->hw.avm.hscxfifo[0] = card->para[1];
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->hw.avm.hscxfifo[1] = card->para[1] + 0x800;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->irq = card->para[0];
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (!request_region(cs->hw.avm.cfg_reg, 8, "avm cfg")) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										printk(KERN_WARNING
							 | 
						
					
						
							
								
									
										
										
										
											2007-10-31 03:42:07 -04:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
										       "HiSax: AVM A1 config port %x-%x already in use\n",
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       cs->hw.avm.cfg_reg,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       cs->hw.avm.cfg_reg + 8);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (!request_region(cs->hw.avm.isac + 32, 32, "HiSax isac")) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										printk(KERN_WARNING
							 | 
						
					
						
							
								
									
										
										
										
											2007-10-31 03:42:07 -04:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
										       "HiSax: AVM A1 isac ports %x-%x already in use\n",
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       cs->hw.avm.isac + 32,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       cs->hw.avm.isac + 64);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_ioregs(cs, 0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (!request_region(cs->hw.avm.isacfifo, 1, "HiSax isac fifo")) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										printk(KERN_WARNING
							 | 
						
					
						
							
								
									
										
										
										
											2007-10-31 03:42:07 -04:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
										       "HiSax: AVM A1 isac fifo port %x already in use\n",
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       cs->hw.avm.isacfifo);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_ioregs(cs, 1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (!request_region(cs->hw.avm.hscx[0] + 32, 32, "HiSax hscx A")) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										printk(KERN_WARNING
							 | 
						
					
						
							
								
									
										
										
										
											2007-10-31 03:42:07 -04:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
										       "HiSax: AVM A1 hscx A ports %x-%x already in use\n",
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       cs->hw.avm.hscx[0] + 32,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       cs->hw.avm.hscx[0] + 64);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_ioregs(cs, 3);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (!request_region(cs->hw.avm.hscxfifo[0], 1, "HiSax hscx A fifo")) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										printk(KERN_WARNING
							 | 
						
					
						
							
								
									
										
										
										
											2007-10-31 03:42:07 -04:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
										       "HiSax: AVM A1 hscx A fifo port %x already in use\n",
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       cs->hw.avm.hscxfifo[0]);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_ioregs(cs, 7);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (!request_region(cs->hw.avm.hscx[1] + 32, 32, "HiSax hscx B")) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										printk(KERN_WARNING
							 | 
						
					
						
							
								
									
										
										
										
											2007-10-31 03:42:07 -04:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
										       "HiSax: AVM A1 hscx B ports %x-%x already in use\n",
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       cs->hw.avm.hscx[1] + 32,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       cs->hw.avm.hscx[1] + 64);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_ioregs(cs, 0xf);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (!request_region(cs->hw.avm.hscxfifo[1], 1, "HiSax hscx B fifo")) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										printk(KERN_WARNING
							 | 
						
					
						
							
								
									
										
										
										
											2007-10-31 03:42:07 -04:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
										       "HiSax: AVM A1 hscx B fifo port %x already in use\n",
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       cs->hw.avm.hscxfifo[1]);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_ioregs(cs, 0x1f);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									byteout(cs->hw.avm.cfg_reg, 0x0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									HZDELAY(HZ / 5 + 1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									byteout(cs->hw.avm.cfg_reg, 0x1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									HZDELAY(HZ / 5 + 1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									byteout(cs->hw.avm.cfg_reg, 0x0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									HZDELAY(HZ / 5 + 1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									val = cs->irq;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (val == 9)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										val = 2;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									byteout(cs->hw.avm.cfg_reg + 1, val);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									HZDELAY(HZ / 5 + 1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									byteout(cs->hw.avm.cfg_reg, 0x0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									HZDELAY(HZ / 5 + 1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									val = bytein(cs->hw.avm.cfg_reg);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									printk(KERN_INFO "AVM A1: Byte at %x is %x\n",
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									       cs->hw.avm.cfg_reg, val);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									val = bytein(cs->hw.avm.cfg_reg + 3);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									printk(KERN_INFO "AVM A1: Byte at %x is %x\n",
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									       cs->hw.avm.cfg_reg + 3, val);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									val = bytein(cs->hw.avm.cfg_reg + 2);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									printk(KERN_INFO "AVM A1: Byte at %x is %x\n",
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									       cs->hw.avm.cfg_reg + 2, val);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									val = bytein(cs->hw.avm.cfg_reg);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									printk(KERN_INFO "AVM A1: Byte at %x is %x\n",
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									       cs->hw.avm.cfg_reg, val);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											2007-10-31 03:42:07 -04:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
									printk(KERN_INFO "HiSax: AVM A1 config irq:%d cfg:0x%X\n",
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									       cs->irq,
							 | 
						
					
						
							
								
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
									       cs->hw.avm.cfg_reg);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									printk(KERN_INFO
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									       "HiSax: isac:0x%X/0x%X\n",
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									       cs->hw.avm.isac + 32, cs->hw.avm.isacfifo);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									printk(KERN_INFO
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									       "HiSax: hscx A:0x%X/0x%X  hscx B:0x%X/0x%X\n",
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									       cs->hw.avm.hscx[0] + 32, cs->hw.avm.hscxfifo[0],
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									       cs->hw.avm.hscx[1] + 32, cs->hw.avm.hscxfifo[1]);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->readisac = &ReadISAC;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->writeisac = &WriteISAC;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->readisacfifo = &ReadISACfifo;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->writeisacfifo = &WriteISACfifo;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->BC_Read_Reg = &ReadHSCX;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->BC_Write_Reg = &WriteHSCX;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->BC_Send_Data = &hscx_fill_fifo;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									setup_isac(cs);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->cardmsg = &AVM_card_msg;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									cs->irq_func = &avm_a1_interrupt;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									ISACVersion(cs, "AVM A1:");
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									if (HscxVersion(cs, "AVM A1:")) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										printk(KERN_WARNING
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       "AVM A1: wrong HSCX versions check IO address\n");
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										release_ioregs(cs, 0x3f);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										return (0);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									return (1);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								}
							 |