From patchwork Tue Sep 14 02:39:42 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chun-Yi Lee X-Patchwork-Id: 178522 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8E2gO7D008475 for ; Tue, 14 Sep 2010 02:42:25 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752094Ab0INCmX (ORCPT ); Mon, 13 Sep 2010 22:42:23 -0400 Received: from mail-vw0-f46.google.com ([209.85.212.46]:53169 "EHLO mail-vw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752029Ab0INCmW (ORCPT ); Mon, 13 Sep 2010 22:42:22 -0400 Received: by vws3 with SMTP id 3so5433045vws.19 for ; Mon, 13 Sep 2010 19:42:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:cc:subject:date :message-id:x-mailer; bh=JT58M/OVs1bFcX9PGSo/RrN27+98FvDGbDjbENSOXKw=; b=wekRBQjwax0DWnI29yEtuSZfMGdv4RFLs16oHuz+Yp4uI+JEyJLcb+iGaMEvF8NoP0 C/EwCv+WGQyrmnfxrAKni0CqboqnmjuCYpJIB2hIdKXbZ0LNHAYroWHMFEW8aBKA3jeM n6hq31ot4pI4CBO0rD73tG612MAEFwGowz+PY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer; b=jD+vRQ28EFODc9143gqwaxoOhn3CZ9vCGdadXiT1Eiukd2wnBuauFQR49FN186M0O/ qQzWBFmQbWFN43aPk213+zpFpfyeGWGJ/x1xCh89CsqB1c3ciqeQeMSzMC/XTcwhb6wV mfHYCm5bNn8W5E11DIOLcQSgch68Whe2llu2g= Received: by 10.220.129.68 with SMTP id n4mr2858843vcs.185.1284432141460; Mon, 13 Sep 2010 19:42:21 -0700 (PDT) Received: from localhost.localdomain ([130.57.30.250]) by mx.google.com with ESMTPS id m30sm4176756vbr.9.2010.09.13.19.42.13 (version=SSLv3 cipher=RC4-MD5); Mon, 13 Sep 2010 19:42:20 -0700 (PDT) From: "Lee, Chun-Yi" To: mjg59@srcf.ucam.org Cc: randy.dunlap@oracle.com, mjg@redhat.com, gregkh@suse.de, trenn@suse.de, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Dennis.Jansen@web.de, "Lee, Chun-Yi" Subject: [PATCH] Add Intel Poulsbo Stub Driver Date: Tue, 14 Sep 2010 10:39:42 +0800 Message-Id: <1284431982-7750-1-git-send-email-jlee@novell.com> X-Mailer: git-send-email 1.6.0.2 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Tue, 14 Sep 2010 02:42:25 +0000 (UTC) diff --git a/drivers/gpu/Makefile b/drivers/gpu/Makefile index 30879df..cc92778 100644 --- a/drivers/gpu/Makefile +++ b/drivers/gpu/Makefile @@ -1 +1 @@ -obj-y += drm/ vga/ +obj-y += drm/ vga/ stub/ diff --git a/drivers/gpu/stub/Kconfig b/drivers/gpu/stub/Kconfig new file mode 100644 index 0000000..9795890 --- /dev/null +++ b/drivers/gpu/stub/Kconfig @@ -0,0 +1,13 @@ +config STUB_POULSBO + tristate "Intel Poulsbo Stub Driver" + depends on PCI + # Poulsbo stub depends on ACPI_VIDEO when ACPI is enabled + # but for select to work, need to select ACPI_VIDEO's dependencies, ick + select ACPI_VIDEO if ACPI + help + Choose this option if you have a system that has Intel Poulsbo + integrated graphics. If M is selected, the module will be called + Poulsbo. This driver is a stub driver for Poulsbo that will call + poulsbo.ko to enable the acpi backlight control sysfs entry file + because there have no poulsbo native driver can support intel + opregion. diff --git a/drivers/gpu/stub/Makefile b/drivers/gpu/stub/Makefile new file mode 100644 index 0000000..cd940cc --- /dev/null +++ b/drivers/gpu/stub/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_STUB_POULSBO) += poulsbo.o diff --git a/drivers/gpu/stub/poulsbo.c b/drivers/gpu/stub/poulsbo.c new file mode 100644 index 0000000..d8aa636 --- /dev/null +++ b/drivers/gpu/stub/poulsbo.c @@ -0,0 +1,63 @@ +/* + * Intel Poulsbo Stub driver + * + * Copyright (C) 2010 Novell + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + */ + +#include +#include +#include + +#define DRIVER_NAME "poulsbo" + +enum { + CHIP_PSB_8108 = 0, + CHIP_PSB_8109 = 1, +}; + +static struct pci_device_id pciidlist[] = { + {0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PSB_8108}, \ + {0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PSB_8109}, \ + {0, 0, 0} +}; + +static int poulsbo_probe(struct pci_dev *pdev, const struct pci_device_id *id) +{ + return acpi_video_register(); +} + +static void poulsbo_remove(struct pci_dev *pdev) +{ + acpi_video_unregister(); +} + +static struct pci_driver poulsbo_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + .probe = poulsbo_probe, + .remove = poulsbo_remove, +}; + +static int __init poulsbo_init(void) +{ + return pci_register_driver(&poulsbo_driver); +} + +static void __exit poulsbo_exit(void) +{ + pci_unregister_driver(&poulsbo_driver); +} + +module_init(poulsbo_init); +module_exit(poulsbo_exit); + +MODULE_AUTHOR("Lee, Chun-Yi "); +MODULE_DESCRIPTION("Poulsbo Stub Driver"); +MODULE_LICENSE("GPL"); + +MODULE_DEVICE_TABLE(pci, pciidlist); diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 8b31fdf..8807ae5 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -17,6 +17,8 @@ source "drivers/gpu/vga/Kconfig" source "drivers/gpu/drm/Kconfig" +source "drivers/gpu/stub/Kconfig" + config VGASTATE tristate default n