| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
 | 2 |  * | 
 | 3 |  * BRIEF MODULE DESCRIPTION | 
 | 4 |  *	Globespan IVR board-specific pci fixups. | 
 | 5 |  * | 
 | 6 |  * Copyright 2000 MontaVista Software Inc. | 
 | 7 |  * Author: MontaVista Software, Inc. | 
 | 8 |  *         	ppopov@mvista.com or source@mvista.com | 
 | 9 |  * | 
 | 10 |  *  This program is free software; you can redistribute  it and/or modify it | 
 | 11 |  *  under  the terms of  the GNU General  Public License as published by the | 
 | 12 |  *  Free Software Foundation;  either version 2 of the  License, or (at your | 
 | 13 |  *  option) any later version. | 
 | 14 |  * | 
 | 15 |  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED | 
 | 16 |  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF | 
 | 17 |  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN | 
 | 18 |  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT, | 
 | 19 |  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | 
 | 20 |  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF | 
 | 21 |  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | 
 | 22 |  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT | 
 | 23 |  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 
 | 24 |  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
 | 25 |  * | 
 | 26 |  *  You should have received a copy of the  GNU General Public License along | 
 | 27 |  *  with this program; if not, write  to the Free Software Foundation, Inc., | 
 | 28 |  *  675 Mass Ave, Cambridge, MA 02139, USA. | 
 | 29 |  */ | 
 | 30 | #include <linux/types.h> | 
 | 31 | #include <linux/pci.h> | 
 | 32 | #include <linux/kernel.h> | 
 | 33 | #include <linux/init.h> | 
 | 34 |  | 
 | 35 | #include <asm/it8172/it8172.h> | 
 | 36 | #include <asm/it8172/it8172_pci.h> | 
 | 37 | #include <asm/it8172/it8172_int.h> | 
 | 38 |  | 
 | 39 | /* | 
 | 40 |  * Shortcuts | 
 | 41 |  */ | 
 | 42 | #define INTA	IT8172_PCI_INTA_IRQ | 
 | 43 | #define INTB	IT8172_PCI_INTB_IRQ | 
 | 44 | #define INTC	IT8172_PCI_INTC_IRQ | 
 | 45 | #define INTD	IT8172_PCI_INTD_IRQ | 
 | 46 |  | 
 | 47 | static const int internal_func_irqs[7] __initdata = { | 
 | 48 | 	IT8172_AC97_IRQ, | 
 | 49 | 	IT8172_DMA_IRQ, | 
 | 50 | 	IT8172_CDMA_IRQ, | 
 | 51 | 	IT8172_USB_IRQ, | 
 | 52 | 	IT8172_BRIDGE_MASTER_IRQ, | 
 | 53 | 	IT8172_IDE_IRQ, | 
 | 54 | 	IT8172_MC68K_IRQ | 
 | 55 | }; | 
 | 56 |  | 
 | 57 | static char irq_tab_ivr[][5] __initdata = { | 
 | 58 |  [0x11] = { INTC, INTC, INTD, INTA, INTB },	/* Realtek RTL-8139	*/ | 
 | 59 |  [0x12] = { INTB, INTB, INTB, INTC, INTC },	/* IVR slot		*/ | 
 | 60 |  [0x13] = { INTA, INTA, INTB, INTC, INTD }	/* Expansion slot	*/ | 
 | 61 | }; | 
 | 62 |  | 
 | 63 | int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | 
 | 64 | { | 
 | 65 | 	if (slot == 1) | 
 | 66 | 		return internal_func_irqs[PCI_FUNC(dev->devfn)]; | 
 | 67 |  | 
 | 68 | 	return irq_tab_ivr[slot][pin]; | 
 | 69 | } | 
 | 70 |  | 
 | 71 | /* Do platform specific device initialization at pci_enable_device() time */ | 
 | 72 | int pcibios_plat_dev_init(struct pci_dev *dev) | 
 | 73 | { | 
 | 74 | 	return 0; | 
 | 75 | } |