From patchwork Wed Sep 15 14:24:39 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: 182902 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 o8FERLwD025041 for ; Wed, 15 Sep 2010 14:27:21 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753292Ab0IOO1U (ORCPT ); Wed, 15 Sep 2010 10:27:20 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:55402 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753154Ab0IOO1U (ORCPT ); Wed, 15 Sep 2010 10:27:20 -0400 Received: by bwz11 with SMTP id 11so556053bwz.19 for ; Wed, 15 Sep 2010 07:27:18 -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=iTHqtI7u6LeKcLeSYIw/SBa8B7g6u3AXeEoibueWBUM=; b=UFDnWVbjOB8/I8YFEI1JTw5yR96ow/s0Tf3bnexku5+pJzBuvakTtQWIzWt7wpp9+0 sKPVdV/36U3DaqrYTLvqy0m5Zaf+BZKrYGBWw7ym5BQMEZ3x2uxfaEsHrEUoIxLev8RK AY0fh+t+6nGvDs8gap0b/f6BE6GsTXA/Rizcs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer; b=bt3cZ/QRbe/azr5oaDveQDU64WjDXF1ffkt+IgtWoWqPBHHI+V+KqEirY+fyzqRi30 /Sa43+mOZAeOET+Nu95SbFpncNvwgvQuAZPedo8rRyyupsWlVS4G8f+U80euVilGwq7u p1tNOnAM6QbqbSxLLjoCAhb3WfhABF9fOrMTA= Received: by 10.204.98.19 with SMTP id o19mr1482458bkn.6.1284560838307; Wed, 15 Sep 2010 07:27:18 -0700 (PDT) Received: from localhost.localdomain (124-11-22-254.dynamic.tfn.net.tw [124.11.22.254]) by mx.google.com with ESMTPS id f10sm1390576bkl.5.2010.09.15.07.27.12 (version=SSLv3 cipher=RC4-MD5); Wed, 15 Sep 2010 07:27:16 -0700 (PDT) From: "Lee, Chun-Yi" To: mjg59@srcf.ucam.org Cc: linux-kernel@vger.kernel.org, mjg@redhat.com, gregkh@suse.de, Valdis.Kletnieks@vt.edu, Dennis.Jansen@web.de, randy.dunlap@oracle.com, linux-acpi@vger.kernel.org, trenn@suse.de, "Lee, Chun-Yi" Subject: [PATCH] Add Intel Poulsbo Stub Driver Date: Wed, 15 Sep 2010 22:24:39 +0800 Message-Id: <1284560679-19907-1-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]); Wed, 15 Sep 2010 14:27:21 +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..8f5a540 --- /dev/null +++ b/drivers/gpu/stub/Kconfig @@ -0,0 +1,13 @@ +config STUB_POULSBO + tristate "Intel GMA500 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 GMA500 + (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