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Commit 4b5a9b3d authored by Jeff Garzik's avatar Jeff Garzik
Browse files

[ISDN] HiSax diva: split setup into three smaller functions 



Just code movement, and the glue to call the new functions.

Preparation for hotplug APIs.

Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 7da0d980

drivers/isdn/hisax/diva.c

+294 −219
Original line number Diff line number Diff line
@@ -25,8 +25,6 @@ 
#include <linux/pci.h>

#include <linux/isapnp.h>



extern const char *CardType[];



static const char *Diva_revision = "$Revision: 1.33.2.6 $";



#define byteout(addr,val) outb(val,addr)
@@ -906,53 +904,107 @@ Diva_card_msg(struct IsdnCardState *cs, int mt, void *arg) 
	return(0);

}



static struct pci_dev *dev_diva __devinitdata = NULL;

static struct pci_dev *dev_diva_u __devinitdata = NULL;

static struct pci_dev *dev_diva201 __devinitdata = NULL;

static struct pci_dev *dev_diva202 __devinitdata = NULL;

static int __devinit setup_diva_common(struct IsdnCardState *cs)

{

	int bytecnt;

	u_char val;



#ifdef __ISAPNP__

static struct isapnp_device_id diva_ids[] __devinitdata = {

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),

	  ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51), 

	  (unsigned long) "Diva picola" },

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),

	  ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x51), 

	  (unsigned long) "Diva picola" },

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),

	  ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71), 

	  (unsigned long) "Diva 2.0" },

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),

	  ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x71), 

	  (unsigned long) "Diva 2.0" },

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),

	  ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1), 

	  (unsigned long) "Diva 2.01" },

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),

	  ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0xA1), 

	  (unsigned long) "Diva 2.01" },

	{ 0, }

};

	if ((cs->subtyp == DIVA_ISA) || (cs->subtyp == DIVA_IPAC_ISA))

		bytecnt = 8;

	else

		bytecnt = 32;



static struct isapnp_device_id *ipid __devinitdata = &diva_ids[0];

static struct pnp_card *pnp_c __devinitdata = NULL;

#endif

	printk(KERN_INFO

		"Diva: %s card configured at %#lx IRQ %d\n",

		(cs->subtyp == DIVA_PCI) ? "PCI" :

		(cs->subtyp == DIVA_ISA) ? "ISA" : 

		(cs->subtyp == DIVA_IPAC_ISA) ? "IPAC ISA" :

		(cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",

		cs->hw.diva.cfg_reg, cs->irq);

	if ((cs->subtyp == DIVA_IPAC_PCI)  || 

	    (cs->subtyp == DIVA_IPACX_PCI) || 

	    (cs->subtyp == DIVA_PCI)         )

		printk(KERN_INFO "Diva: %s space at %#lx\n",

			(cs->subtyp == DIVA_PCI) ? "PCI" :

			(cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",

			cs->hw.diva.pci_cfg);

	if ((cs->subtyp != DIVA_IPAC_PCI) &&

	    (cs->subtyp != DIVA_IPACX_PCI)   ) {

		if (!request_region(cs->hw.diva.cfg_reg, bytecnt, "diva isdn")) {

			printk(KERN_WARNING

			       "HiSax: %s config port %lx-%lx already in use\n",

			       "diva",

			       cs->hw.diva.cfg_reg,

			       cs->hw.diva.cfg_reg + bytecnt);

			iounmap_diva(cs);

			return (0);

		}

	}

	cs->BC_Read_Reg  = &ReadHSCX;

	cs->BC_Write_Reg = &WriteHSCX;

	cs->BC_Send_Data = &hscx_fill_fifo;

	cs->cardmsg = &Diva_card_msg;

	setup_isac(cs);

	if (cs->subtyp == DIVA_IPAC_ISA) {

		cs->readisac  = &ReadISAC_IPAC;

		cs->writeisac = &WriteISAC_IPAC;

		cs->readisacfifo  = &ReadISACfifo_IPAC;

		cs->writeisacfifo = &WriteISACfifo_IPAC;

		cs->irq_func = &diva_irq_ipac_isa;

		val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ID);

		printk(KERN_INFO "Diva: IPAC version %x\n", val);

	} else if (cs->subtyp == DIVA_IPAC_PCI) {

		cs->readisac  = &MemReadISAC_IPAC;

		cs->writeisac = &MemWriteISAC_IPAC;

		cs->readisacfifo  = &MemReadISACfifo_IPAC;

		cs->writeisacfifo = &MemWriteISACfifo_IPAC;

		cs->BC_Read_Reg  = &MemReadHSCX;

		cs->BC_Write_Reg = &MemWriteHSCX;

		cs->BC_Send_Data = &Memhscx_fill_fifo;

		cs->irq_func = &diva_irq_ipac_pci;

		val = memreadreg(cs->hw.diva.cfg_reg, IPAC_ID);

		printk(KERN_INFO "Diva: IPAC version %x\n", val);

	} else if (cs->subtyp == DIVA_IPACX_PCI) {

		cs->readisac  = &MemReadISAC_IPACX;

		cs->writeisac = &MemWriteISAC_IPACX;

		cs->readisacfifo  = &MemReadISACfifo_IPACX;

		cs->writeisacfifo = &MemWriteISACfifo_IPACX;

		cs->BC_Read_Reg  = &MemReadHSCX_IPACX;

		cs->BC_Write_Reg = &MemWriteHSCX_IPACX;

		cs->BC_Send_Data = NULL; // function located in ipacx module

		cs->irq_func = &diva_irq_ipacx_pci;

		printk(KERN_INFO "Diva: IPACX Design Id: %x\n", 

			MemReadISAC_IPACX(cs, IPACX_ID) &0x3F);

	} else { /* DIVA 2.0 */

		cs->hw.diva.tl.function = (void *) diva_led_handler;

		cs->hw.diva.tl.data = (long) cs;

		init_timer(&cs->hw.diva.tl);

		cs->readisac  = &ReadISAC;

		cs->writeisac = &WriteISAC;

		cs->readisacfifo  = &ReadISACfifo;

		cs->writeisacfifo = &WriteISACfifo;

		cs->irq_func = &diva_interrupt;

		ISACVersion(cs, "Diva:");

		if (HscxVersion(cs, "Diva:")) {

			printk(KERN_WARNING

		       "Diva: wrong HSCX versions check IO address\n");

			release_io_diva(cs);

			return (0);

		}

	}

	return (1);

}



#ifdef CONFIG_ISA



int __devinit

setup_diva(struct IsdnCard *card)

static int __devinit setup_diva_isa(struct IsdnCard *card)

{

	int bytecnt = 8;

	u_char val;

	struct IsdnCardState *cs = card->cs;

	char tmp[64];

	u_char val;



	if (!card->para[1])

		return (-1);	/* card not found; continue search */



	strcpy(tmp, Diva_revision);

	printk(KERN_INFO "HiSax: Eicon.Diehl Diva driver Rev. %s\n", HiSax_getrev(tmp));

	if (cs->typ != ISDN_CTYPE_DIEHLDIVA)

		return(0);

	cs->hw.diva.status = 0;

	if (card->para[1]) {

	cs->hw.diva.ctrl_reg = 0;

	cs->hw.diva.cfg_reg = card->para[1];

	val = readreg(cs->hw.diva.cfg_reg + DIVA_IPAC_ADR,
@@ -975,10 +1027,53 @@ setup_diva(struct IsdnCard *card) 
		cs->hw.diva.hscx_adr = card->para[1] + DIVA_HSCX_ADR;

	}

	cs->irq = card->para[0];

	} else {



	return (1);		/* card found */

}



#else	/* if !CONFIG_ISA */



static int __devinit setup_diva_isa(struct IsdnCard *card)

{

	return (-1);	/* card not found; continue search */

}



#endif	/* CONFIG_ISA */



#ifdef __ISAPNP__

		if (isapnp_present()) {

static struct isapnp_device_id diva_ids[] __devinitdata = {

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),

	  ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51), 

	  (unsigned long) "Diva picola" },

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),

	  ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x51), 

	  (unsigned long) "Diva picola" },

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),

	  ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71), 

	  (unsigned long) "Diva 2.0" },

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),

	  ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x71), 

	  (unsigned long) "Diva 2.0" },

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),

	  ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1), 

	  (unsigned long) "Diva 2.01" },

	{ ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),

	  ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0xA1), 

	  (unsigned long) "Diva 2.01" },

	{ 0, }

};



static struct isapnp_device_id *ipid __devinitdata = &diva_ids[0];

static struct pnp_card *pnp_c __devinitdata = NULL;



static int __devinit setup_diva_isapnp(struct IsdnCard *card)

{

	struct IsdnCardState *cs = card->cs;

	struct pnp_dev *pnp_d;



	if (!isapnp_present())

		return (-1);	/* card not found; continue search */



	while(ipid->card_vendor) {

		if ((pnp_c = pnp_find_card(ipid->card_vendor,

			ipid->card_device, pnp_c))) {
@@ -1031,7 +1126,7 @@ setup_diva(struct IsdnCard *card) 
					cs->hw.diva.hscx_adr =

						card->para[1] + DIVA_HSCX_ADR;

				}

						goto ready;

				return (1);		/* card found */

			} else {

				printk(KERN_ERR "Diva PnP: PnP error card found, no device\n");

				return(0);
@@ -1040,12 +1135,29 @@ setup_diva(struct IsdnCard *card) 
		ipid++;

		pnp_c=NULL;

	} 

			if (!ipid->card_vendor) {

				printk(KERN_INFO "Diva PnP: no ISAPnP card found\n");



	return (-1);	/* card not found; continue search */

}



#else	/* if !ISAPNP */



static int __devinit setup_diva_isapnp(struct IsdnCard *card)

{

	return (-1);	/* card not found; continue search */

}

#endif



#endif	/* ISAPNP */



#ifdef CONFIG_PCI

static struct pci_dev *dev_diva __devinitdata = NULL;

static struct pci_dev *dev_diva_u __devinitdata = NULL;

static struct pci_dev *dev_diva201 __devinitdata = NULL;

static struct pci_dev *dev_diva202 __devinitdata = NULL;



static int __devinit setup_diva_pci(struct IsdnCard *card)

{

	struct IsdnCardState *cs = card->cs;



	cs->subtyp = 0;

	if ((dev_diva = pci_find_device(PCI_VENDOR_ID_EICON,

		PCI_DEVICE_ID_EICON_DIVA20, dev_diva))) {
@@ -1082,8 +1194,7 @@ setup_diva(struct IsdnCard *card) 
		cs->hw.diva.cfg_reg =

			(ulong) ioremap(pci_resource_start(dev_diva202, 1), 4096);

	} else {

			printk(KERN_WARNING "Diva: No PCI card found\n");

			return(0);

		return (-1);	/* card not found; continue search */

	}



	if (!cs->irq) {
@@ -1098,11 +1209,7 @@ setup_diva(struct IsdnCard *card) 
		return(0);

	}

	cs->irq_flags |= IRQF_SHARED;

#else

		printk(KERN_WARNING "Diva: cfgreg 0 and NO_PCI_BIOS\n");

		printk(KERN_WARNING "Diva: unable to config DIVA PCI\n");

		return (0);

#endif /* CONFIG_PCI */



	if ((cs->subtyp == DIVA_IPAC_PCI) ||

	    (cs->subtyp == DIVA_IPACX_PCI)   ) {

		cs->hw.diva.ctrl = 0;
@@ -1111,98 +1218,66 @@ setup_diva(struct IsdnCard *card) 
		cs->hw.diva.isac_adr = 0;

		cs->hw.diva.hscx_adr = 0;

		test_and_set_bit(HW_IPAC, &cs->HW_Flags);

			bytecnt = 0;

	} else {

		cs->hw.diva.ctrl = cs->hw.diva.cfg_reg + DIVA_PCI_CTRL;

		cs->hw.diva.isac = cs->hw.diva.cfg_reg + DIVA_PCI_ISAC_DATA;

		cs->hw.diva.hscx = cs->hw.diva.cfg_reg + DIVA_HSCX_DATA;

		cs->hw.diva.isac_adr = cs->hw.diva.cfg_reg + DIVA_PCI_ISAC_ADR;

		cs->hw.diva.hscx_adr = cs->hw.diva.cfg_reg + DIVA_HSCX_ADR;

			bytecnt = 32;

	}



	return (1);		/* card found */

}



#ifdef __ISAPNP__

ready:

#endif

#else	/* if !CONFIG_PCI */



	printk(KERN_INFO

		"Diva: %s card configured at %#lx IRQ %d\n",

		(cs->subtyp == DIVA_PCI) ? "PCI" :

		(cs->subtyp == DIVA_ISA) ? "ISA" : 

		(cs->subtyp == DIVA_IPAC_ISA) ? "IPAC ISA" :

		(cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",

		cs->hw.diva.cfg_reg, cs->irq);

	if ((cs->subtyp == DIVA_IPAC_PCI)  || 

	    (cs->subtyp == DIVA_IPACX_PCI) || 

	    (cs->subtyp == DIVA_PCI)         )

		printk(KERN_INFO "Diva: %s space at %#lx\n",

			(cs->subtyp == DIVA_PCI) ? "PCI" :

			(cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",

			cs->hw.diva.pci_cfg);

	if ((cs->subtyp != DIVA_IPAC_PCI) &&

	    (cs->subtyp != DIVA_IPACX_PCI)   ) {

		if (!request_region(cs->hw.diva.cfg_reg, bytecnt, "diva isdn")) {

			printk(KERN_WARNING

			       "HiSax: %s config port %lx-%lx already in use\n",

			       CardType[card->typ],

			       cs->hw.diva.cfg_reg,

			       cs->hw.diva.cfg_reg + bytecnt);

			iounmap_diva(cs);

static int __devinit setup_diva_pci(struct IsdnCard *card)

{

	return (-1);	/* card not found; continue search */

}



#endif	/* CONFIG_PCI */



int __devinit

setup_diva(struct IsdnCard *card)

{

	int rc, have_card = 0;

	struct IsdnCardState *cs = card->cs;

	char tmp[64];



	strcpy(tmp, Diva_revision);

	printk(KERN_INFO "HiSax: Eicon.Diehl Diva driver Rev. %s\n", HiSax_getrev(tmp));

	if (cs->typ != ISDN_CTYPE_DIEHLDIVA)

		return(0);

	cs->hw.diva.status = 0;



	rc = setup_diva_isa(card);

	if (!rc)

		return rc;

	if (rc > 0) {

		have_card = 1;

		goto ready;

	}



	rc = setup_diva_isapnp(card);

	if (!rc)

		return rc;

	if (rc > 0) {

		have_card = 1;

		goto ready;

	}

	cs->BC_Read_Reg  = &ReadHSCX;

	cs->BC_Write_Reg = &WriteHSCX;

	cs->BC_Send_Data = &hscx_fill_fifo;

	cs->cardmsg = &Diva_card_msg;

	setup_isac(cs);

	if (cs->subtyp == DIVA_IPAC_ISA) {

		cs->readisac  = &ReadISAC_IPAC;

		cs->writeisac = &WriteISAC_IPAC;

		cs->readisacfifo  = &ReadISACfifo_IPAC;

		cs->writeisacfifo = &WriteISACfifo_IPAC;

		cs->irq_func = &diva_irq_ipac_isa;

		val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ID);

		printk(KERN_INFO "Diva: IPAC version %x\n", val);

	} else if (cs->subtyp == DIVA_IPAC_PCI) {

		cs->readisac  = &MemReadISAC_IPAC;

		cs->writeisac = &MemWriteISAC_IPAC;

		cs->readisacfifo  = &MemReadISACfifo_IPAC;

		cs->writeisacfifo = &MemWriteISACfifo_IPAC;

		cs->BC_Read_Reg  = &MemReadHSCX;

		cs->BC_Write_Reg = &MemWriteHSCX;

		cs->BC_Send_Data = &Memhscx_fill_fifo;

		cs->irq_func = &diva_irq_ipac_pci;

		val = memreadreg(cs->hw.diva.cfg_reg, IPAC_ID);

		printk(KERN_INFO "Diva: IPAC version %x\n", val);

	} else if (cs->subtyp == DIVA_IPACX_PCI) {

		cs->readisac  = &MemReadISAC_IPACX;

		cs->writeisac = &MemWriteISAC_IPACX;

		cs->readisacfifo  = &MemReadISACfifo_IPACX;

		cs->writeisacfifo = &MemWriteISACfifo_IPACX;

		cs->BC_Read_Reg  = &MemReadHSCX_IPACX;

		cs->BC_Write_Reg = &MemWriteHSCX_IPACX;

		cs->BC_Send_Data = NULL; // function located in ipacx module

		cs->irq_func = &diva_irq_ipacx_pci;

		printk(KERN_INFO "Diva: IPACX Design Id: %x\n", 

			MemReadISAC_IPACX(cs, IPACX_ID) &0x3F);

	} else { /* DIVA 2.0 */

		cs->hw.diva.tl.function = (void *) diva_led_handler;

		cs->hw.diva.tl.data = (long) cs;

		init_timer(&cs->hw.diva.tl);

		cs->readisac  = &ReadISAC;

		cs->writeisac = &WriteISAC;

		cs->readisacfifo  = &ReadISACfifo;

		cs->writeisacfifo = &WriteISACfifo;

		cs->irq_func = &diva_interrupt;

		ISACVersion(cs, "Diva:");

		if (HscxVersion(cs, "Diva:")) {

			printk(KERN_WARNING

		       "Diva: wrong HSCX versions check IO address\n");

			release_io_diva(cs);



	rc = setup_diva_pci(card);

	if (!rc)

		return rc;

	if (rc > 0)

		have_card = 1;



ready:

	if (!have_card) {

		printk(KERN_WARNING "Diva: No ISA, ISAPNP or PCI card found\n");

		return(0);

	}

	}

	return (1);



	return setup_diva_common(card->cs);

}