1 // SPDX-License-Identifier: GPL-2.0
39 	irq = (vector - 0x800) >> 4;  in miata_srm_device_interrupt()
47 	 *  for reporting any interrupts (the PCI-ISA bridge, bit 7, isn't  in miata_srm_device_interrupt()
49 	 *  vectors 0x800-0x8f0).  in miata_srm_device_interrupt()
53 	 * So, here's this grotty hack... :-(  in miata_srm_device_interrupt()
75 	/* Not interested in the bogus interrupts (3,10), Fan Fault (0),  in miata_init_irq()
83 	if (request_irq(16 + 2, no_action, 0, "halt-switch", NULL))  in miata_init_irq()
84 		pr_err("Failed to register halt-switch interrupt\n");  in miata_init_irq()
85 	if (request_irq(16 + 6, no_action, 0, "timer-cascade", NULL))  in miata_init_irq()
86 		pr_err("Failed to register timer-cascade interrupt\n");  in miata_init_irq()
98  * 3        none
102  * 7        PCI-ISA Bridge
107  *12        Interrupt Line A from slot 4
108  *13        Interrupt Line B from slot 4
109  *14        Interrupt Line C from slot 4
110  *15        Interrupt Line D from slot 4
111  *16        Interrupt Line A from slot 5
112  *17        Interrupt line B from slot 5
113  *18        Interrupt Line C from slot 5
114  *19        Interrupt Line D from slot 5
115  *20        Interrupt Line A from slot 1
116  *21        Interrupt Line B from slot 1
117  *22        Interrupt Line C from slot 1
118  *23        Interrupt Line D from slot 1
119  *24        Interrupt Line A from slot 2
120  *25        Interrupt Line B from slot 2
121  *26        Interrupt Line C from slot 2
122  *27        Interrupt Line D from slot 2
123  *27        Interrupt Line A from slot 3
124  *29        Interrupt Line B from slot 3
125  *30        Interrupt Line C from slot 3
126  *31        Interrupt Line D from slot 3
131  *  3       DC21142 Ethernet
135  *  7       PCI-ISA bridge
136  *  8       PCI-PCI Bridge      (SBU Riser)
146  * 15       PCI on board slot 3 (SBU Riser)
160 		{   -1,    -1,    -1,    -1,    -1},  /* IdSel 15,  EIDE    */  in miata_map_irq()
161 		{   -1,    -1,    -1,    -1,    -1},  /* IdSel 16,  none    */  in miata_map_irq()
162 		{   -1,    -1,    -1,    -1,    -1},  /* IdSel 17,  none    */  in miata_map_irq()
163 		{   -1,    -1,    -1,    -1,    -1},  /* IdSel 18,  PCI-ISA */  in miata_map_irq()
164 		{   -1,    -1,    -1,    -1,    -1},  /* IdSel 19,  PCI-PCI */  in miata_map_irq()
165 		{   -1,    -1,    -1,    -1,    -1},  /* IdSel 20,  none    */  in miata_map_irq()
166 		{   -1,    -1,    -1,    -1,    -1},  /* IdSel 21,  none    */  in miata_map_irq()
171 		{   -1,    -1,    -1,    -1,    -1},  /* IdSel 25,  none    */  in miata_map_irq()
172 		{   -1,    -1,    -1,    -1,    -1},  /* IdSel 26,  none    */  in miata_map_irq()
173 		{   -1,    -1,    -1,    -1,    -1},  /* IdSel 27,  none    */  in miata_map_irq()
176 		{16+28, 16+28, 16+29, 16+30, 16+31},  /* IdSel 30,  slot 3  */  in miata_map_irq()
178 		{   -1,    -1,    -1,    -1,    -1},  /* IdSel 31,  PCI-PCI */  in miata_map_irq()
180 	const long min_idsel = 3, max_idsel = 20, irqs_per_slot = 5;  in miata_map_irq()
185 	if((slot == 7) && (PCI_FUNC(dev->devfn) == 3)) {  in miata_map_irq()
186 		struct pci_dev *pdev = pci_get_slot(dev->bus, dev->devfn & ~7);  in miata_map_irq()
191 			return -1;  in miata_map_irq()
196 		return ret == PCIBIOS_SUCCESSFUL ? irq : -1;  in miata_map_irq()
207 	if (dev->bus->number == 0) {  in miata_swizzle()
208 		slot = PCI_SLOT(dev->devfn);  in miata_swizzle()
210 	/* Check for the built-in bridge.  */  in miata_swizzle()
211 	else if ((PCI_SLOT(dev->bus->self->devfn) == 8) ||  in miata_swizzle()
212 		 (PCI_SLOT(dev->bus->self->devfn) == 20)) {  in miata_swizzle()
213 		slot = PCI_SLOT(dev->devfn) + 9;  in miata_swizzle()
217 		/* Must be a card-based bridge.  */  in miata_swizzle()
219 			if ((PCI_SLOT(dev->bus->self->devfn) == 8) ||  in miata_swizzle()
220 			    (PCI_SLOT(dev->bus->self->devfn) == 20)) {  in miata_swizzle()
221 				slot = PCI_SLOT(dev->devfn) + 9;  in miata_swizzle()
227 			dev = dev->bus->self;  in miata_swizzle()
229 			slot = PCI_SLOT(dev->devfn);  in miata_swizzle()
230 		} while (dev->bus->self);  in miata_swizzle()
252 		/* Who said DEC engineers have no sense of humor? ;-)  */   in miata_kill_arch()