Release 4.14 drivers/isdn/hisax/telespci.c

/* $Id: telespci.c,v 2.23.2.3 2004/01/13 14:31:26 keil Exp $
 *
 * low level stuff for Teles PCI isdn cards
 *
 * Author       Ton van Rosmalen
 *              Karsten Keil
 * Copyright    by Ton van Rosmalen
 *              by Karsten Keil      <keil@isdn4linux.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"
#include <linux/pci.h>


static const char *telespci_revision = "$Revision: 2.23.2.3 $";


#define ZORAN_PO_RQ_PEN	0x02000000

#define ZORAN_PO_WR	0x00800000

#define ZORAN_PO_GID0	0x00000000

#define ZORAN_PO_GID1	0x00100000

#define ZORAN_PO_GREG0	0x00000000

#define ZORAN_PO_GREG1	0x00010000

#define ZORAN_PO_DMASK	0xFF


#define WRITE_ADDR_ISAC	(ZORAN_PO_WR | ZORAN_PO_GID0 | ZORAN_PO_GREG0)

#define READ_DATA_ISAC	(ZORAN_PO_GID0 | ZORAN_PO_GREG1)

#define WRITE_DATA_ISAC	(ZORAN_PO_WR | ZORAN_PO_GID0 | ZORAN_PO_GREG1)

#define WRITE_ADDR_HSCX	(ZORAN_PO_WR | ZORAN_PO_GID1 | ZORAN_PO_GREG0)

#define READ_DATA_HSCX	(ZORAN_PO_GID1 | ZORAN_PO_GREG1)

#define WRITE_DATA_HSCX	(ZORAN_PO_WR | ZORAN_PO_GID1 | ZORAN_PO_GREG1)


#define ZORAN_WAIT_NOBUSY	do {            \
                portdata = readl(adr + 0x200);  \
        } while (portdata & ZORAN_PO_RQ_PEN)


static inline u_char

readisac(void __iomem *adr, u_char off)
{
	register unsigned int portdata;

	ZORAN_WAIT_NOBUSY;

	/* set address for ISAC */
	writel(WRITE_ADDR_ISAC | off, adr + 0x200);
	ZORAN_WAIT_NOBUSY;

	/* read data from ISAC */
	writel(READ_DATA_ISAC, adr + 0x200);
	ZORAN_WAIT_NOBUSY;
	return ((u_char)(portdata & ZORAN_PO_DMASK));
}

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1
33.33%
Al Viro
3
5.00%
1
33.33%
Total
60
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3
100.00%


static inline void

writeisac(void __iomem *adr, u_char off, u_char data)
{
	register unsigned int portdata;

	ZORAN_WAIT_NOBUSY;

	/* set address for ISAC */
	writel(WRITE_ADDR_ISAC | off, adr + 0x200);
	ZORAN_WAIT_NOBUSY;

	/* write data to ISAC */
	writel(WRITE_DATA_ISAC | data, adr + 0x200);
	ZORAN_WAIT_NOBUSY;
}

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33.33%
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15
28.30%
1
33.33%
Al Viro
3
5.66%
1
33.33%
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53
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3
100.00%


static inline u_char

readhscx(void __iomem *adr, int hscx, u_char off)
{
	register unsigned int portdata;

	ZORAN_WAIT_NOBUSY;
	/* set address for HSCX */
	writel(WRITE_ADDR_HSCX | ((hscx ? 0x40 : 0) + off), adr + 0x200);
	ZORAN_WAIT_NOBUSY;

	/* read data from HSCX */
	writel(READ_DATA_HSCX, adr + 0x200);
	ZORAN_WAIT_NOBUSY;
	return ((u_char)(portdata & ZORAN_PO_DMASK));
}

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5
6.85%
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Al Viro
3
4.11%
1
33.33%
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100.00%


static inline void

writehscx(void __iomem *adr, int hscx, u_char off, u_char data)
{
	register unsigned int portdata;

	ZORAN_WAIT_NOBUSY;
	/* set address for HSCX */
	writel(WRITE_ADDR_HSCX | ((hscx ? 0x40 : 0) + off), adr + 0x200);
	ZORAN_WAIT_NOBUSY;

	/* write data to HSCX */
	writel(WRITE_DATA_HSCX | data, adr + 0x200);
	ZORAN_WAIT_NOBUSY;
}

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2
3.03%
1
25.00%
Kai Germaschewski
1
1.52%
1
25.00%
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66
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4
100.00%


static inline void

read_fifo_isac(void __iomem *adr, u_char *data, int size)
{
	register unsigned int portdata;
	register int i;

	ZORAN_WAIT_NOBUSY;
	/* read data from ISAC */
	for (i = 0; i < size; i++) {
		/* set address for ISAC fifo */
		writel(WRITE_ADDR_ISAC | 0x1E, adr + 0x200);
		ZORAN_WAIT_NOBUSY;
		writel(READ_DATA_ISAC, adr + 0x200);
		ZORAN_WAIT_NOBUSY;
		data[i] = (u_char)(portdata & ZORAN_PO_DMASK);
	}
}

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34
40.00%
1
25.00%
Andrew Morton
14
16.47%
1
25.00%
Al Viro
3
3.53%
1
25.00%
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85
100.00%
4
100.00%


static void

write_fifo_isac(void __iomem *adr, u_char *data, int size)
{
	register unsigned int portdata;
	register int i;

	ZORAN_WAIT_NOBUSY;
	/* write data to ISAC */
	for (i = 0; i < size; i++) {
		/* set address for ISAC fifo */
		writel(WRITE_ADDR_ISAC | 0x1E, adr + 0x200);
		ZORAN_WAIT_NOBUSY;
		writel(WRITE_DATA_ISAC | data[i], adr + 0x200);
		ZORAN_WAIT_NOBUSY;
	}
}

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33
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Kai Germaschewski
30
40.00%
1
25.00%
Andrew Morton
9
12.00%
1
25.00%
Al Viro
3
4.00%
1
25.00%
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75
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4
100.00%


static inline void

read_fifo_hscx(void __iomem *adr, int hscx, u_char *data, int size)
{
	register unsigned int portdata;
	register int i;

	ZORAN_WAIT_NOBUSY;
	/* read data from HSCX */
	for (i = 0; i < size; i++) {
		/* set address for HSCX fifo */
		writel(WRITE_ADDR_HSCX | (hscx ? 0x5F : 0x1F), adr + 0x200);
		ZORAN_WAIT_NOBUSY;
		writel(READ_DATA_HSCX, adr + 0x200);
		ZORAN_WAIT_NOBUSY;
		data[i] = (u_char) (portdata & ZORAN_PO_DMASK);
	}
}

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3
3.19%
1
25.00%
Kai Germaschewski
2
2.13%
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100.00%


static inline void

write_fifo_hscx(void __iomem *adr, int hscx, u_char *data, int size)
{
	unsigned int portdata;
	register int i;

	ZORAN_WAIT_NOBUSY;
	/* write data to HSCX */
	for (i = 0; i < size; i++) {
		/* set address for HSCX fifo */
		writel(WRITE_ADDR_HSCX | (hscx ? 0x5F : 0x1F), adr + 0x200);
		ZORAN_WAIT_NOBUSY;
		writel(WRITE_DATA_HSCX | data[i], adr + 0x200);
		ZORAN_WAIT_NOBUSY;
		udelay(10);
	}
}

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1
25.00%
Al Viro
3
3.37%
1
25.00%
Kai Germaschewski
1
1.12%
1
25.00%
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89
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4
100.00%

/* Interface functions */


static u_char

ReadISAC(struct IsdnCardState *cs, u_char offset)
{
	return (readisac(cs->hw.teles0.membase, offset));
}

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30
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100.00%


static void

WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
	writeisac(cs->hw.teles0.membase, offset, value);
}

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6
18.75%
1
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32
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2
100.00%


static void

ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
{
	read_fifo_isac(cs->hw.teles0.membase, data, size);
}

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static void

WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
{
	write_fifo_isac(cs->hw.teles0.membase, data, size);
}

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static u_char

ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
{
	return (readhscx(cs->hw.teles0.membase, hscx, offset));
}

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static void

WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
{
	writehscx(cs->hw.teles0.membase, hscx, offset, value);
}

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/*
 * fast interrupt HSCX stuff goes here
 */


#define READHSCX(cs, nr, reg) readhscx(cs->hw.teles0.membase, nr, reg)

#define WRITEHSCX(cs, nr, reg, data) writehscx(cs->hw.teles0.membase, nr, reg, data)

#define READHSCXFIFO(cs, nr, ptr, cnt) read_fifo_hscx(cs->hw.teles0.membase, nr, ptr, cnt)

#define WRITEHSCXFIFO(cs, nr, ptr, cnt) write_fifo_hscx(cs->hw.teles0.membase, nr, ptr, cnt)

#include "hscx_irq.c"


static irqreturn_t

telespci_interrupt(int intno, void *dev_id)
{
	struct IsdnCardState *cs = dev_id;
	u_char hval, ival;
	u_long flags;

	spin_lock_irqsave(&cs->lock, flags);
	hval = readhscx(cs->hw.teles0.membase, 1, HSCX_ISTA);
	if (hval)
		hscx_int_main(cs, hval);
	ival = readisac(cs->hw.teles0.membase, ISAC_ISTA);
	if ((hval | ival) == 0) {
		spin_unlock_irqrestore(&cs->lock, flags);
		return IRQ_NONE;
	}
	if (ival)
		isac_interrupt(cs, ival);
	/* Clear interrupt register for Zoran PCI controller */
	writel(0x70000000, cs->hw.teles0.membase + 0x3C);

	writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0xFF);
	writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0xFF);
	writeisac(cs->hw.teles0.membase, ISAC_MASK, 0xFF);
	writeisac(cs->hw.teles0.membase, ISAC_MASK, 0x0);
	writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0x0);
	writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0x0);
	spin_unlock_irqrestore(&cs->lock, flags);
	return IRQ_HANDLED;
}

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4
1.64%
1
33.33%
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3
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static void

release_io_telespci(struct IsdnCardState *cs)
{
	iounmap(cs->hw.teles0.membase);
}

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1
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1
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22
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3
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static int

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

	switch (mt) {
	case CARD_RESET:
		return (0);
	case CARD_RELEASE:
		release_io_telespci(cs);
		return (0);
	case CARD_INIT:
		spin_lock_irqsave(&cs->lock, flags);
		inithscxisac(cs, 3);
		spin_unlock_irqrestore(&cs->lock, flags);
		return (0);
	case CARD_TEST:
		return (0);
	}
	return (0);
}

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12
12.50%
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40.00%
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7
7.29%
1
20.00%
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5
100.00%


static struct pci_dev *dev_tel = NULL;



int setup_telespci(struct IsdnCard *card)
{
	struct IsdnCardState *cs = card->cs;
	char tmp[64];

	strcpy(tmp, telespci_revision);
	printk(KERN_INFO "HiSax: Teles/PCI driver Rev. %s\n", HiSax_getrev(tmp));
	if (cs->typ != ISDN_CTYPE_TELESPCI)
		return (0);

	if ((dev_tel = hisax_find_pci_device(PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36120, dev_tel))) {
		if (pci_enable_device(dev_tel))
			return (0);
		cs->irq = dev_tel->irq;
		if (!cs->irq) {
			printk(KERN_WARNING "Teles: No IRQ for PCI card found\n");
			return (0);
		}
		cs->hw.teles0.membase = ioremap(pci_resource_start(dev_tel, 0),
						PAGE_SIZE);
		printk(KERN_INFO "Found: Zoran, base-address: 0x%llx, irq: 0x%x\n",
		       (unsigned long long)pci_resource_start(dev_tel, 0),
		       dev_tel->irq);
	} else {
		printk(KERN_WARNING "TelesPCI: No PCI card found\n");
		return (0);
	}

	/* Initialize Zoran PCI controller */
	writel(0x00000000, cs->hw.teles0.membase + 0x28);
	writel(0x01000000, cs->hw.teles0.membase + 0x28);
	writel(0x01000000, cs->hw.teles0.membase + 0x28);
	writel(0x7BFFFFFF, cs->hw.teles0.membase + 0x2C);
	writel(0x70000000, cs->hw.teles0.membase + 0x3C);
	writel(0x61000000, cs->hw.teles0.membase + 0x40);
	/* writel(0x00800000, cs->hw.teles0.membase + 0x200); */

	printk(KERN_INFO
	       "HiSax: Teles PCI config irq:%d mem:%p\n",
	       cs->irq,
	       cs->hw.teles0.membase);

	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 = &TelesPCI_card_msg;
	cs->irq_func = &telespci_interrupt;
	cs->irq_flags |= IRQF_SHARED;
	ISACVersion(cs, "TelesPCI:");
	if (HscxVersion(cs, "TelesPCI:")) {
		printk(KERN_WARNING
		       "TelesPCI: wrong HSCX versions check IO/MEM addresses\n");
		release_io_telespci(cs);
		return (0);
	}
	return (1);
}
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113
28.83%
3
25.00%
Kai Germaschewski
36
9.18%
3
25.00%
Greg Kroah-Hartman
7
1.79%
2
16.67%
Tilman Schmidt
1
0.26%
1
8.33%
Thomas Gleixner
1
0.26%
1
8.33%
Jeff Garzik
1
0.26%
1
8.33%
Total
392
100.00%
12
100.00%

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939
55.40%
2
9.52%
Linus Torvalds (pre-git)
594
35.04%
4
19.05%
Kai Germaschewski
124
7.32%
7
33.33%
Al Viro
24
1.42%
1
4.76%
Greg Kroah-Hartman
7
0.41%
2
9.52%
Joe Perches
2
0.12%
1
4.76%
Adrian Bunk
2
0.12%
1
4.76%
Jeff Garzik
1
0.06%
1
4.76%
Tilman Schmidt
1
0.06%
1
4.76%
Thomas Gleixner
1
0.06%
1
4.76%
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21
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Directory: drivers/isdn/hisax

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