diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 11:11:54 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 11:11:54 -0700 |
commit | fa8f53ace4af9470d8414427cb3dc3c0ffc4f182 (patch) | |
tree | 23fadefaa50c5ee1a68730757dab3bbaf994243f /arch/x86/platform/olpc/olpc-xo1.c | |
parent | 1d87c28e680ce4ecb8c260d8ce070b8339d52abb (diff) | |
parent | 07d5b38e14b7ff98eb52e4a6db4e20abcc608da3 (diff) |
Merge branch 'x86-olpc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-olpc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, olpc-xo15-sci: Enable EC wakeup capability
x86, olpc: Fix dependency on POWER_SUPPLY
x86, olpc: Add XO-1.5 SCI driver
x86, olpc: Add XO-1 RTC driver
x86, olpc-xo1-sci: Propagate power supply/battery events
x86, olpc-xo1-sci: Add lid switch functionality
x86, olpc-xo1-sci: Add GPE handler and ebook switch functionality
x86, olpc: EC SCI wakeup mask functionality
x86, olpc: Add XO-1 SCI driver and power button control
x86, olpc: Add XO-1 suspend/resume support
x86, olpc: Rename olpc-xo1 to olpc-xo1-pm
x86, olpc: Move CS5536-related constants to cs5535.h
x86, olpc: Add missing elements to device tree
Diffstat (limited to 'arch/x86/platform/olpc/olpc-xo1.c')
-rw-r--r-- | arch/x86/platform/olpc/olpc-xo1.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/arch/x86/platform/olpc/olpc-xo1.c b/arch/x86/platform/olpc/olpc-xo1.c deleted file mode 100644 index ab81fb27176..00000000000 --- a/arch/x86/platform/olpc/olpc-xo1.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Support for features of the OLPC XO-1 laptop - * - * Copyright (C) 2010 Andres Salomon <dilinger@queued.net> - * Copyright (C) 2010 One Laptop per Child - * Copyright (C) 2006 Red Hat, Inc. - * Copyright (C) 2006 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/pm.h> -#include <linux/mfd/core.h> - -#include <asm/io.h> -#include <asm/olpc.h> - -#define DRV_NAME "olpc-xo1" - -/* PMC registers (PMS block) */ -#define PM_SCLK 0x10 -#define PM_IN_SLPCTL 0x20 -#define PM_WKXD 0x34 -#define PM_WKD 0x30 -#define PM_SSC 0x54 - -/* PM registers (ACPI block) */ -#define PM1_CNT 0x08 -#define PM_GPE0_STS 0x18 - -static unsigned long acpi_base; -static unsigned long pms_base; - -static void xo1_power_off(void) -{ - printk(KERN_INFO "OLPC XO-1 power off sequence...\n"); - - /* Enable all of these controls with 0 delay */ - outl(0x40000000, pms_base + PM_SCLK); - outl(0x40000000, pms_base + PM_IN_SLPCTL); - outl(0x40000000, pms_base + PM_WKXD); - outl(0x40000000, pms_base + PM_WKD); - - /* Clear status bits (possibly unnecessary) */ - outl(0x0002ffff, pms_base + PM_SSC); - outl(0xffffffff, acpi_base + PM_GPE0_STS); - - /* Write SLP_EN bit to start the machinery */ - outl(0x00002000, acpi_base + PM1_CNT); -} - -static int __devinit olpc_xo1_probe(struct platform_device *pdev) -{ - struct resource *res; - int err; - - /* don't run on non-XOs */ - if (!machine_is_olpc()) - return -ENODEV; - - err = mfd_cell_enable(pdev); - if (err) - return err; - - res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (!res) { - dev_err(&pdev->dev, "can't fetch device resource info\n"); - return -EIO; - } - if (strcmp(pdev->name, "cs5535-pms") == 0) - pms_base = res->start; - else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0) - acpi_base = res->start; - - /* If we have both addresses, we can override the poweroff hook */ - if (pms_base && acpi_base) { - pm_power_off = xo1_power_off; - printk(KERN_INFO "OLPC XO-1 support registered\n"); - } - - return 0; -} - -static int __devexit olpc_xo1_remove(struct platform_device *pdev) -{ - mfd_cell_disable(pdev); - - if (strcmp(pdev->name, "cs5535-pms") == 0) - pms_base = 0; - else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0) - acpi_base = 0; - - pm_power_off = NULL; - return 0; -} - -static struct platform_driver cs5535_pms_drv = { - .driver = { - .name = "cs5535-pms", - .owner = THIS_MODULE, - }, - .probe = olpc_xo1_probe, - .remove = __devexit_p(olpc_xo1_remove), -}; - -static struct platform_driver cs5535_acpi_drv = { - .driver = { - .name = "olpc-xo1-pm-acpi", - .owner = THIS_MODULE, - }, - .probe = olpc_xo1_probe, - .remove = __devexit_p(olpc_xo1_remove), -}; - -static int __init olpc_xo1_init(void) -{ - int r; - - r = platform_driver_register(&cs5535_pms_drv); - if (r) - return r; - - r = platform_driver_register(&cs5535_acpi_drv); - if (r) - platform_driver_unregister(&cs5535_pms_drv); - - return r; -} - -static void __exit olpc_xo1_exit(void) -{ - platform_driver_unregister(&cs5535_acpi_drv); - platform_driver_unregister(&cs5535_pms_drv); -} - -MODULE_AUTHOR("Daniel Drake <dsd@laptop.org>"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:cs5535-pms"); - -module_init(olpc_xo1_init); -module_exit(olpc_xo1_exit); |