[ISDN] HiSax avm_pci: split setup into three smaller functions
Preparation for new ISA/PNP/PCI APIs. Just code movement, and the glue to call the new functions. Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Jeff Garzik
parent
bfc7c89f06
commit
2fbde4c092
1 changed files with 136 additions and 88 deletions
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@ -20,7 +20,6 @@
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#include <linux/isapnp.h>
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#include <linux/interrupt.h>
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extern const char *CardType[];
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static const char *avm_pci_rev = "$Revision: 1.29.2.4 $";
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#define AVM_FRITZ_PCI 1
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@ -726,100 +725,15 @@ AVM_card_msg(struct IsdnCardState *cs, int mt, void *arg)
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return(0);
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}
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#ifdef CONFIG_PCI
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static struct pci_dev *dev_avm __devinitdata = NULL;
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#endif
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#ifdef __ISAPNP__
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static struct pnp_card *pnp_avm_c __devinitdata = NULL;
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#endif
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int __devinit
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setup_avm_pcipnp(struct IsdnCard *card)
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static int __devinit avm_setup_rest(struct IsdnCardState *cs)
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{
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u_int val, ver;
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struct IsdnCardState *cs = card->cs;
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char tmp[64];
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strcpy(tmp, avm_pci_rev);
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printk(KERN_INFO "HiSax: AVM PCI driver Rev. %s\n", HiSax_getrev(tmp));
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if (cs->typ != ISDN_CTYPE_FRITZPCI)
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return (0);
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if (card->para[1]) {
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/* old manual method */
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cs->hw.avm.cfg_reg = card->para[1];
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cs->irq = card->para[0];
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cs->subtyp = AVM_FRITZ_PNP;
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goto ready;
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}
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#ifdef __ISAPNP__
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if (isapnp_present()) {
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struct pnp_dev *pnp_avm_d = NULL;
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if ((pnp_avm_c = pnp_find_card(
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ISAPNP_VENDOR('A', 'V', 'M'),
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ISAPNP_FUNCTION(0x0900), pnp_avm_c))) {
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if ((pnp_avm_d = pnp_find_dev(pnp_avm_c,
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ISAPNP_VENDOR('A', 'V', 'M'),
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ISAPNP_FUNCTION(0x0900), pnp_avm_d))) {
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int err;
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pnp_disable_dev(pnp_avm_d);
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err = pnp_activate_dev(pnp_avm_d);
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if (err<0) {
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printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
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__FUNCTION__, err);
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return(0);
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}
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cs->hw.avm.cfg_reg =
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pnp_port_start(pnp_avm_d, 0);
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cs->irq = pnp_irq(pnp_avm_d, 0);
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if (!cs->irq) {
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printk(KERN_ERR "FritzPnP:No IRQ\n");
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return(0);
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}
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if (!cs->hw.avm.cfg_reg) {
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printk(KERN_ERR "FritzPnP:No IO address\n");
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return(0);
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}
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cs->subtyp = AVM_FRITZ_PNP;
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goto ready;
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}
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}
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} else {
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printk(KERN_INFO "FritzPnP: no ISA PnP present\n");
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}
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#endif
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#ifdef CONFIG_PCI
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if ((dev_avm = pci_find_device(PCI_VENDOR_ID_AVM,
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PCI_DEVICE_ID_AVM_A1, dev_avm))) {
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if (pci_enable_device(dev_avm))
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return(0);
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cs->irq = dev_avm->irq;
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if (!cs->irq) {
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printk(KERN_ERR "FritzPCI: No IRQ for PCI card found\n");
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return(0);
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}
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cs->hw.avm.cfg_reg = pci_resource_start(dev_avm, 1);
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if (!cs->hw.avm.cfg_reg) {
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printk(KERN_ERR "FritzPCI: No IO-Adr for PCI card found\n");
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return(0);
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}
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cs->subtyp = AVM_FRITZ_PCI;
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} else {
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printk(KERN_WARNING "FritzPCI: No PCI card found\n");
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return(0);
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}
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cs->irq_flags |= IRQF_SHARED;
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#else
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printk(KERN_WARNING "FritzPCI: NO_PCI_BIOS\n");
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return (0);
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#endif /* CONFIG_PCI */
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ready:
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cs->hw.avm.isac = cs->hw.avm.cfg_reg + 0x10;
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if (!request_region(cs->hw.avm.cfg_reg, 32,
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(cs->subtyp == AVM_FRITZ_PCI) ? "avm PCI" : "avm PnP")) {
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printk(KERN_WARNING
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"HiSax: %s config port %x-%x already in use\n",
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CardType[card->typ],
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"HiSax: Fritz!PCI/PNP config port %x-%x already in use\n",
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cs->hw.avm.cfg_reg,
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cs->hw.avm.cfg_reg + 31);
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return (0);
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@ -860,3 +774,137 @@ ready:
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ISACVersion(cs, (cs->subtyp == AVM_FRITZ_PCI) ? "AVM PCI:" : "AVM PnP:");
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return (1);
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}
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#ifndef __ISAPNP__
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static int __devinit avm_pnp_setup(struct IsdnCardState *cs)
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{
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return(1); /* no-op: success */
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}
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#else
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static struct pnp_card *pnp_avm_c __devinitdata = NULL;
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static int __devinit avm_pnp_setup(struct IsdnCardState *cs)
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{
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struct pnp_dev *pnp_avm_d = NULL;
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if (!isapnp_present())
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return(1); /* no-op: success */
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if ((pnp_avm_c = pnp_find_card(
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ISAPNP_VENDOR('A', 'V', 'M'),
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ISAPNP_FUNCTION(0x0900), pnp_avm_c))) {
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if ((pnp_avm_d = pnp_find_dev(pnp_avm_c,
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ISAPNP_VENDOR('A', 'V', 'M'),
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ISAPNP_FUNCTION(0x0900), pnp_avm_d))) {
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int err;
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pnp_disable_dev(pnp_avm_d);
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err = pnp_activate_dev(pnp_avm_d);
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if (err<0) {
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printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
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__FUNCTION__, err);
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return(0);
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}
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cs->hw.avm.cfg_reg =
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pnp_port_start(pnp_avm_d, 0);
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cs->irq = pnp_irq(pnp_avm_d, 0);
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if (!cs->irq) {
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printk(KERN_ERR "FritzPnP:No IRQ\n");
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return(0);
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}
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if (!cs->hw.avm.cfg_reg) {
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printk(KERN_ERR "FritzPnP:No IO address\n");
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return(0);
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}
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cs->subtyp = AVM_FRITZ_PNP;
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return (2); /* goto 'ready' label */
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}
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}
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return (1);
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}
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#endif /* __ISAPNP__ */
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#ifndef CONFIG_PCI
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static int __devinit avm_pci_setup(struct IsdnCardState *cs)
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{
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return(1); /* no-op: success */
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}
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#else
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static struct pci_dev *dev_avm __devinitdata = NULL;
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static int __devinit avm_pci_setup(struct IsdnCardState *cs)
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{
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if ((dev_avm = pci_find_device(PCI_VENDOR_ID_AVM,
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PCI_DEVICE_ID_AVM_A1, dev_avm))) {
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if (pci_enable_device(dev_avm))
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return(0);
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cs->irq = dev_avm->irq;
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if (!cs->irq) {
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printk(KERN_ERR "FritzPCI: No IRQ for PCI card found\n");
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return(0);
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}
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cs->hw.avm.cfg_reg = pci_resource_start(dev_avm, 1);
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if (!cs->hw.avm.cfg_reg) {
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printk(KERN_ERR "FritzPCI: No IO-Adr for PCI card found\n");
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return(0);
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}
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cs->subtyp = AVM_FRITZ_PCI;
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} else {
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printk(KERN_WARNING "FritzPCI: No PCI card found\n");
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return(0);
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}
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cs->irq_flags |= IRQF_SHARED;
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return (1);
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}
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#endif /* CONFIG_PCI */
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int __devinit
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setup_avm_pcipnp(struct IsdnCard *card)
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{
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struct IsdnCardState *cs = card->cs;
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char tmp[64];
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int rc;
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strcpy(tmp, avm_pci_rev);
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printk(KERN_INFO "HiSax: AVM PCI driver Rev. %s\n", HiSax_getrev(tmp));
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if (cs->typ != ISDN_CTYPE_FRITZPCI)
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return (0);
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if (card->para[1]) {
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/* old manual method */
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cs->hw.avm.cfg_reg = card->para[1];
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cs->irq = card->para[0];
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cs->subtyp = AVM_FRITZ_PNP;
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goto ready;
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}
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rc = avm_pnp_setup(cs);
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if (rc < 1)
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return (0);
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if (rc == 2)
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goto ready;
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rc = avm_pci_setup(cs);
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if (rc < 1)
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return (0);
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ready:
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return avm_setup_rest(cs);
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}
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