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Date: Tue, 01 May 2007 10:12:49 -0700
From: Randy Dunlap <randy.dunlap@...cle.com>
To: Thomas Backlund <tmb@...driva.org>
CC: linux-kernel@...r.kernel.org
Subject: Re: [PATCH, try2] Add support for picopower irq router
Thomas Backlund wrote:
>
>
Sorry, I don't see any changes. Did you send the wrong patch file?
> ------------------------------------------------------------------------
>
>
> This patch adds support for PicoPower PT86C523 IRQ router to be used
> with the in-kernel yenta driver for CardBus.
> With this patch cardbus works on e.g. Dell Latitude XPi P150CD.
>
> Initial patch for kernel 2.4 series by Sune Mølgaard
> http://molgaard.org/code/linux-2.4.31-picopower.patch
>
> Ported to 2.6.20 by Chmouel Boudjnah (http://www.chmouel.com)
>
> Tested and confirmed that it works by Austin Acton.
>
> Cleaned up a little for inclusion in a 2.6.21-rc7 & 2.6.21.1 based kernel.
>
> Signed-Off-By: Thomas Backlund <tmb@...driva.org>
>
> arch/i386/pci/irq.c | 38 ++++++++++++++++++++++++++++++++++++++
> include/linux/pci_ids.h | 3 +++
> 2 files changed, 41 insertions(+)
>
> diff -Nurp 2.6.21-rc7/arch/i386/pci/irq.c 2.6.21-rc7.picopower/arch/i386/pci/irq.c
> --- 2.6.21-rc7/arch/i386/pci/irq.c 2007-02-04 20:44:54.000000000 +0200
> +++ 2.6.21-rc7.picopower/arch/i386/pci/irq.c 2007-04-24 15:26:21.000000000 +0300
> @@ -491,6 +491,24 @@ static int pirq_amd756_set(struct pci_de
> return 1;
> }
>
> +/*
> + * PicoPower PT86C523
> + */
> +static int pirq_pico_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
> +{
> + outb(0x10+((pirq-1)>>1), 0x24);
> + return ((pirq-1)&1) ? (inb(0x26)>>4) : (inb(0x26)&0xf);
> +}
> +
> +static int pirq_pico_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
> +{
> + outb(0x10+((pirq-1)>>1), 0x24);
> + unsigned int x;
> + x = inb(0x26);
> + x = ((pirq-1)&1) ? ((x&0x0f)|(irq<<4)) : ((x&0xf0)|(irq));
> + outb(x,0x26);
> +}
> +
> #ifdef CONFIG_PCI_BIOS
>
> static int pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
> @@ -719,6 +737,25 @@ static __init int amd_router_probe(struc
> return 1;
> }
>
> +static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
> +{
> + switch(device)
> + {
> + case PCI_DEVICE_ID_PICOPOWER_PT86C523:
> + r->name = "PicoPower PT86C523";
> + r->get = pirq_pico_get;
> + r->set = pirq_pico_set;
> + return 1;
> +
> + case PCI_DEVICE_ID_PICOPOWER_PT86C523BBP:
> + r->name = "PicoPower PT86C523 rev. BB+";
> + r->get = pirq_pico_get;
> + r->set = pirq_pico_set;
> + return 1;
> + }
> + return 0;
> +}
> +
> static __initdata struct irq_router_handler pirq_routers[] = {
> { PCI_VENDOR_ID_INTEL, intel_router_probe },
> { PCI_VENDOR_ID_AL, ali_router_probe },
> @@ -730,6 +767,7 @@ static __initdata struct irq_router_hand
> { PCI_VENDOR_ID_VLSI, vlsi_router_probe },
> { PCI_VENDOR_ID_SERVERWORKS, serverworks_router_probe },
> { PCI_VENDOR_ID_AMD, amd_router_probe },
> + { PCI_VENDOR_ID_PICOPOWER, pico_router_probe },
> /* Someone with docs needs to add the ATI Radeon IGP */
> { 0, NULL }
> };
> diff -Nurp 2.6.21-rc7/include/linux/pci_ids.h 2.6.21-rc7.picopower/include/linux/pci_ids.h
> --- 2.6.21-rc7/include/linux/pci_ids.h 2007-04-24 14:37:59.000000000 +0300
> +++ 2.6.21-rc7.picopower/include/linux/pci_ids.h 2007-04-24 15:26:21.000000000 +0300
> @@ -819,6 +819,9 @@
> #define PCI_DEVICE_ID_UMC_UM8886BF 0x673a
> #define PCI_DEVICE_ID_UMC_UM8886A 0x886a
>
> +#define PCI_VENDOR_ID_PICOPOWER 0x1066
> +#define PCI_DEVICE_ID_PICOPOWER_PT86C523 0x0002
> +#define PCI_DEVICE_ID_PICOPOWER_PT86C523BBP 0x8002
>
> #define PCI_VENDOR_ID_MYLEX 0x1069
> #define PCI_DEVICE_ID_MYLEX_DAC960_P 0x0001
--
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
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