Release 4.14 drivers/isdn/hisax/avm_a1p.c

/* $Id: avm_a1p.c,v 2.9.2.5 2004/01/24 20:47:19 keil Exp $
 *
 * low level stuff for the following AVM cards:
 * A1 PCMCIA
 * FRITZ!Card PCMCIA
 * FRITZ!Card PCMCIA 2.0
 *
 * Author       Carsten Paeth
 * Copyright    by Carsten Paeth     <calle@calle.de>
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#include <linux/init.h>
#include "hisax.h"
#include "isac.h"
#include "hscx.h"
#include "isdnl1.h"

/* register offsets */

#define ADDRREG_OFFSET		0x02

#define DATAREG_OFFSET		0x03

#define ASL0_OFFSET		0x04

#define ASL1_OFFSET		0x05

#define MODREG_OFFSET		0x06

#define VERREG_OFFSET		0x07

/* address offsets */

#define ISAC_FIFO_OFFSET	0x00

#define ISAC_REG_OFFSET		0x20

#define HSCX_CH_DIFF		0x40

#define HSCX_FIFO_OFFSET	0x80

#define HSCX_REG_OFFSET		0xa0

/* read bits ASL0 */

#define	 ASL0_R_TIMER		0x10 
/* active low */

#define	 ASL0_R_ISAC		0x20 
/* active low */

#define	 ASL0_R_HSCX		0x40 
/* active low */

#define	 ASL0_R_TESTBIT		0x80

#define  ASL0_R_IRQPENDING	(ASL0_R_ISAC | ASL0_R_HSCX | ASL0_R_TIMER)

/* write bits ASL0 */

#define	 ASL0_W_RESET		0x01

#define	 ASL0_W_TDISABLE	0x02

#define	 ASL0_W_TRESET		0x04

#define	 ASL0_W_IRQENABLE	0x08

#define	 ASL0_W_TESTBIT		0x80

/* write bits ASL1 */

#define	 ASL1_W_LED0		0x10

#define	 ASL1_W_LED1		0x20

#define	 ASL1_W_ENABLE_S0	0xC0


#define byteout(addr, val) outb(val, addr)

#define bytein(addr) inb(addr)


static const char *avm_revision = "$Revision: 2.9.2.5 $";


static inline u_char

ReadISAC(struct IsdnCardState *cs, u_char offset)
{
	u_char ret;

	offset -= 0x20;
	byteout(cs->hw.avm.cfg_reg + ADDRREG_OFFSET, ISAC_REG_OFFSET + offset);
	ret = bytein(cs->hw.avm.cfg_reg + DATAREG_OFFSET);
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
47
82.46%
1
33.33%
Andrew Morton
9
15.79%
1
33.33%
Kai Germaschewski
1
1.75%
1
33.33%
Total
57
100.00%
3
100.00%


static inline void

WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
	offset -= 0x20;
	byteout(cs->hw.avm.cfg_reg + ADDRREG_OFFSET, ISAC_REG_OFFSET + offset);
	byteout(cs->hw.avm.cfg_reg + DATAREG_OFFSET, value);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
45
83.33%
1
33.33%
Andrew Morton
8
14.81%
1
33.33%
Kai Germaschewski
1
1.85%
1
33.33%
Total
54
100.00%
3
100.00%


static inline void

ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
{
	byteout(cs->hw.avm.cfg_reg + ADDRREG_OFFSET, ISAC_FIFO_OFFSET);
	insb(cs->hw.avm.cfg_reg + DATAREG_OFFSET, data, size);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
48
94.12%
1
50.00%
Andrew Morton
3
5.88%
1
50.00%
Total
51
100.00%
2
100.00%


static inline void

WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
{
	byteout(cs->hw.avm.cfg_reg + ADDRREG_OFFSET, ISAC_FIFO_OFFSET);
	outsb(cs->hw.avm.cfg_reg + DATAREG_OFFSET, data, size);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
48
94.12%
1
50.00%
Andrew Morton
3
5.88%
1
50.00%
Total
51
100.00%
2
100.00%


static inline u_char

ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
{
	u_char ret;

	offset -= 0x20;
	byteout(cs->hw.avm.cfg_reg + ADDRREG_OFFSET,
		HSCX_REG_OFFSET + hscx * HSCX_CH_DIFF + offset);
	ret = bytein(cs->hw.avm.cfg_reg + DATAREG_OFFSET);
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
49
76.56%
1
50.00%
Kai Germaschewski
15
23.44%
1
50.00%
Total
64
100.00%
2
100.00%


static inline void

WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
{
	offset -= 0x20;
	byteout(cs->hw.avm.cfg_reg + ADDRREG_OFFSET,
		HSCX_REG_OFFSET + hscx * HSCX_CH_DIFF + offset);
	byteout(cs->hw.avm.cfg_reg + DATAREG_OFFSET, value);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
41
67.21%
1
50.00%
Kai Germaschewski
20
32.79%
1
50.00%
Total
61
100.00%
2
100.00%


static inline void

ReadHSCXfifo(struct IsdnCardState *cs, int hscx, u_char *data, int size)
{
	byteout(cs->hw.avm.cfg_reg + ADDRREG_OFFSET,
		HSCX_FIFO_OFFSET + hscx * HSCX_CH_DIFF);
	insb(cs->hw.avm.cfg_reg + DATAREG_OFFSET, data, size);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
33
56.90%
1
50.00%
Kai Germaschewski
25
43.10%
1
50.00%
Total
58
100.00%
2
100.00%


static inline void

WriteHSCXfifo(struct IsdnCardState *cs, int hscx, u_char *data, int size)
{
	byteout(cs->hw.avm.cfg_reg + ADDRREG_OFFSET,
		HSCX_FIFO_OFFSET + hscx * HSCX_CH_DIFF);
	outsb(cs->hw.avm.cfg_reg + DATAREG_OFFSET, data, size);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
33
56.90%
1
50.00%
Kai Germaschewski
25
43.10%
1
50.00%
Total
58
100.00%
2
100.00%

/*
 * fast interrupt HSCX stuff goes here
 */


#define READHSCX(cs, nr, reg) ReadHSCX(cs, nr, reg)

#define WRITEHSCX(cs, nr, reg, data) WriteHSCX(cs, nr, reg, data)

#define READHSCXFIFO(cs, nr, ptr, cnt) ReadHSCXfifo(cs, nr, ptr, cnt)

#define WRITEHSCXFIFO(cs, nr, ptr, cnt) WriteHSCXfifo(cs, nr, ptr, cnt)

#include "hscx_irq.c"


static irqreturn_t

avm_a1p_interrupt(int intno, void *dev_id)
{
	struct IsdnCardState *cs = dev_id;
	u_char val, sval;
	u_long flags;

	spin_lock_irqsave(&cs->lock, flags);
	while ((sval = (~bytein(cs->hw.avm.cfg_reg + ASL0_OFFSET) & ASL0_R_IRQPENDING))) {
		if (cs->debug & L1_DEB_INTSTAT)
			debugl1(cs, "avm IntStatus %x", sval);
		if (sval & ASL0_R_HSCX) {
			val = ReadHSCX(cs, 1, HSCX_ISTA);
			if (val)
				hscx_int_main(cs, val);
		}
		if (sval & ASL0_R_ISAC) {
			val = ReadISAC(cs, ISAC_ISTA);
			if (val)
				isac_interrupt(cs, val);
		}
	}
	WriteHSCX(cs, 0, HSCX_MASK, 0xff);
	WriteHSCX(cs, 1, HSCX_MASK, 0xff);
	WriteISAC(cs, ISAC_MASK, 0xff);
	WriteISAC(cs, ISAC_MASK, 0x00);
	WriteHSCX(cs, 0, HSCX_MASK, 0x00);
	WriteHSCX(cs, 1, HSCX_MASK, 0x00);
	spin_unlock_irqrestore(&cs->lock, flags);
	return IRQ_HANDLED;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
175
81.78%
2
40.00%
Andrew Morton
28
13.08%
2
40.00%
Kai Germaschewski
11
5.14%
1
20.00%
Total
214
100.00%
5
100.00%


static int

AVM_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
	u_long flags;

	switch (mt) {
	case CARD_RESET:
		spin_lock_irqsave(&cs->lock, flags);
		byteout(cs->hw.avm.cfg_reg + ASL0_OFFSET, 0x00);
		HZDELAY(HZ / 5 + 1);
		byteout(cs->hw.avm.cfg_reg + ASL0_OFFSET, ASL0_W_RESET);
		HZDELAY(HZ / 5 + 1);
		byteout(cs->hw.avm.cfg_reg + ASL0_OFFSET, 0x00);
		spin_unlock_irqrestore(&cs->lock, flags);
		return 0;

	case CARD_RELEASE:
		/* free_irq is done in HiSax_closecard(). */
		/* free_irq(cs->irq, cs); */
		return 0;

	case CARD_INIT:
		spin_lock_irqsave(&cs->lock, flags);
		byteout(cs->hw.avm.cfg_reg + ASL0_OFFSET, ASL0_W_TDISABLE | ASL0_W_TRESET | ASL0_W_IRQENABLE);
		clear_pending_isac_ints(cs);
		clear_pending_hscx_ints(cs);
		inithscxisac(cs, 1);
		inithscxisac(cs, 2);
		spin_unlock_irqrestore(&cs->lock, flags);
		return 0;

	case CARD_TEST:
		/* we really don't need it for the PCMCIA Version */
		return 0;

	default:
		/* all card drivers ignore others, so we do the same */
		return 0;
	}
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
125
60.10%
1
25.00%
Linus Torvalds (pre-git)
71
34.13%
2
50.00%
Kai Germaschewski
12
5.77%
1
25.00%
Total
208
100.00%
4
100.00%



int setup_avm_a1_pcmcia(struct IsdnCard *card)
{
	u_char model, vers;
	struct IsdnCardState *cs = card->cs;
	char tmp[64];


	strcpy(tmp, avm_revision);
	printk(KERN_INFO "HiSax: AVM A1 PCMCIA driver Rev. %s\n",
	       HiSax_getrev(tmp));
	if (cs->typ != ISDN_CTYPE_A1_PCMCIA)
		return (0);

	cs->hw.avm.cfg_reg = card->para[1];
	cs->irq = card->para[0];


	byteout(cs->hw.avm.cfg_reg + ASL1_OFFSET, ASL1_W_ENABLE_S0);
	byteout(cs->hw.avm.cfg_reg + ASL0_OFFSET, 0x00);
	HZDELAY(HZ / 5 + 1);
	byteout(cs->hw.avm.cfg_reg + ASL0_OFFSET, ASL0_W_RESET);
	HZDELAY(HZ / 5 + 1);
	byteout(cs->hw.avm.cfg_reg + ASL0_OFFSET, 0x00);

	byteout(cs->hw.avm.cfg_reg + ASL0_OFFSET, ASL0_W_TDISABLE | ASL0_W_TRESET);

	model = bytein(cs->hw.avm.cfg_reg + MODREG_OFFSET);
	vers = bytein(cs->hw.avm.cfg_reg + VERREG_OFFSET);

	printk(KERN_INFO "AVM A1 PCMCIA: io 0x%x irq %d model %d version %d\n",
	       cs->hw.avm.cfg_reg, cs->irq, model, vers);

	setup_isac(cs);
	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;
	cs->cardmsg = &AVM_card_msg;
	cs->irq_flags = IRQF_SHARED;
	cs->irq_func = &avm_a1p_interrupt;

	ISACVersion(cs, "AVM A1 PCMCIA:");
	if (HscxVersion(cs, "AVM A1 PCMCIA:")) {
		printk(KERN_WARNING
		       "AVM A1 PCMCIA: wrong HSCX versions check IO address\n");
		return (0);
	}
	return (1);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
188
54.97%
2
22.22%
Andrew Morton
132
38.60%
1
11.11%
Kai Germaschewski
19
5.56%
3
33.33%
Fanny Wakizaka
1
0.29%
1
11.11%
Thomas Gleixner
1
0.29%
1
11.11%
Sam Ravnborg
1
0.29%
1
11.11%
Total
342
100.00%
9
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
784
55.37%
4
23.53%
Andrew Morton
497
35.10%
2
11.76%
Kai Germaschewski
130
9.18%
7
41.18%
Joe Perches
2
0.14%
1
5.88%
Sam Ravnborg
1
0.07%
1
5.88%
Thomas Gleixner
1
0.07%
1
5.88%
Fanny Wakizaka
1
0.07%
1
5.88%
Total
1416
100.00%
17
100.00%
Directory: drivers/isdn/hisax

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.