diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/mfd/vx855.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/mfd/vx855.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/ANDROID_3.4.5/drivers/mfd/vx855.c b/ANDROID_3.4.5/drivers/mfd/vx855.c deleted file mode 100644 index b73cc15e..00000000 --- a/ANDROID_3.4.5/drivers/mfd/vx855.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Linux multi-function-device driver (MFD) for the integrated peripherals - * of the VIA VX855 chipset - * - * Copyright (C) 2009 VIA Technologies, Inc. - * Copyright (C) 2010 One Laptop per Child - * Author: Harald Welte <HaraldWelte@viatech.com> - * All rights reserved. - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/platform_device.h> -#include <linux/pci.h> -#include <linux/mfd/core.h> - -/* offset into pci config space indicating the 16bit register containing - * the power management IO space base */ -#define VX855_CFG_PMIO_OFFSET 0x88 - -/* ACPI I/O Space registers */ -#define VX855_PMIO_ACPI 0x00 -#define VX855_PMIO_ACPI_LEN 0x0b - -/* Processor Power Management */ -#define VX855_PMIO_PPM 0x10 -#define VX855_PMIO_PPM_LEN 0x08 - -/* General Purpose Power Management */ -#define VX855_PMIO_GPPM 0x20 -#define VX855_PMIO_R_GPI 0x48 -#define VX855_PMIO_R_GPO 0x4c -#define VX855_PMIO_GPPM_LEN 0x33 - -#define VSPIC_MMIO_SIZE 0x1000 - -static struct resource vx855_gpio_resources[] = { - { - .flags = IORESOURCE_IO, - }, - { - .flags = IORESOURCE_IO, - }, -}; - -static struct mfd_cell vx855_cells[] = { - { - .name = "vx855_gpio", - .num_resources = ARRAY_SIZE(vx855_gpio_resources), - .resources = vx855_gpio_resources, - - /* we must ignore resource conflicts, for reasons outlined in - * the vx855_gpio driver */ - .ignore_resource_conflicts = true, - }, -}; - -static __devinit int vx855_probe(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - int ret; - u16 gpio_io_offset; - - ret = pci_enable_device(pdev); - if (ret) - return -ENODEV; - - pci_read_config_word(pdev, VX855_CFG_PMIO_OFFSET, &gpio_io_offset); - if (!gpio_io_offset) { - dev_warn(&pdev->dev, - "BIOS did not assign PMIO base offset?!?\n"); - ret = -ENODEV; - goto out; - } - - /* mask out the lowest seven bits, as they are always zero, but - * hardware returns them as 0x01 */ - gpio_io_offset &= 0xff80; - - /* As the region identified here includes many non-GPIO things, we - * only work with the specific registers that concern us. */ - vx855_gpio_resources[0].start = gpio_io_offset + VX855_PMIO_R_GPI; - vx855_gpio_resources[0].end = vx855_gpio_resources[0].start + 3; - vx855_gpio_resources[1].start = gpio_io_offset + VX855_PMIO_R_GPO; - vx855_gpio_resources[1].end = vx855_gpio_resources[1].start + 3; - - ret = mfd_add_devices(&pdev->dev, -1, vx855_cells, ARRAY_SIZE(vx855_cells), - NULL, 0); - - /* we always return -ENODEV here in order to enable other - * drivers like old, not-yet-platform_device ported i2c-viapro */ - return -ENODEV; -out: - pci_disable_device(pdev); - return ret; -} - -static void __devexit vx855_remove(struct pci_dev *pdev) -{ - mfd_remove_devices(&pdev->dev); - pci_disable_device(pdev); -} - -static DEFINE_PCI_DEVICE_TABLE(vx855_pci_tbl) = { - { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX855) }, - { 0, } -}; -MODULE_DEVICE_TABLE(pci, vx855_pci_tbl); - -static struct pci_driver vx855_pci_driver = { - .name = "vx855", - .id_table = vx855_pci_tbl, - .probe = vx855_probe, - .remove = __devexit_p(vx855_remove), -}; - -static int vx855_init(void) -{ - return pci_register_driver(&vx855_pci_driver); -} -module_init(vx855_init); - -static void vx855_exit(void) -{ - pci_unregister_driver(&vx855_pci_driver); -} -module_exit(vx855_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Harald Welte <HaraldWelte@viatech.com>"); -MODULE_DESCRIPTION("Driver for the VIA VX855 chipset"); |