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/*
* Intel LPSS PCI support.
*
* Copyright (C) 2015, Intel Corporation
*
* Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
* Mika Westerberg <mika.westerberg@linux.intel.com>
*
* 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 <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include "intel-lpss.h"
static int intel_lpss_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct intel_lpss_platform_info *info;
int ret;
ret = pcim_enable_device(pdev);
if (ret)
return ret;
info = devm_kmemdup(&pdev->dev, (void *)id->driver_data, sizeof(*info),
GFP_KERNEL);
if (!info)
return -ENOMEM;
info->mem = &pdev->resource[0];
info->irq = pdev->irq;
/* Probably it is enough to set this for iDMA capable devices only */
pci_set_master(pdev);
ret = intel_lpss_probe(&pdev->dev, info);
if (ret)
return ret;
pm_runtime_put(&pdev->dev);
pm_runtime_allow(&pdev->dev);
return 0;
}
static void intel_lpss_pci_remove(struct pci_dev *pdev)
{
pm_runtime_forbid(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
intel_lpss_remove(&pdev->dev);
}
static INTEL_LPSS_PM_OPS(intel_lpss_pci_pm_ops);
static const struct intel_lpss_platform_info spt_info = {
.clk_rate = 120000000,
};
static const struct intel_lpss_platform_info spt_uart_info = {
.clk_rate = 120000000,
.clk_con_id = "baudclk",
};
static const struct intel_lpss_platform_info bxt_info = {
.clk_rate = 100000000,
};
static const struct intel_lpss_platform_info bxt_uart_info = {
.clk_rate = 100000000,
.clk_con_id = "baudclk",
};
static const struct intel_lpss_platform_info bxt_i2c_info = {
.clk_rate = 133000000,
};
static const struct pci_device_id intel_lpss_pci_ids[] = {
/* BXT */
{ PCI_VDEVICE(INTEL, 0x0aac), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x0aae), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x0ab0), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x0ab2), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x0ab4), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x0ab6), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x0ab8), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x0aba), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x0abc), (kernel_ulong_t)&bxt_uart_info },
{ PCI_VDEVICE(INTEL, 0x0abe), (kernel_ulong_t)&bxt_uart_info },
{ PCI_VDEVICE(INTEL, 0x0ac0), (kernel_ulong_t)&bxt_uart_info },
{ PCI_VDEVICE(INTEL, 0x0ac2), (kernel_ulong_t)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x0ac4), (kernel_ulong_t)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x0ac6), (kernel_ulong_t)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x0aee), (kernel_ulong_t)&bxt_uart_info },
/* APL */
{ PCI_VDEVICE(INTEL, 0x5aac), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5aae), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5ab0), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5ab2), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5ab4), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5ab6), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5ab8), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5aba), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5abc), (kernel_ulong_t)&bxt_uart_info },
{ PCI_VDEVICE(INTEL, 0x5abe), (kernel_ulong_t)&bxt_uart_info },
{ PCI_VDEVICE(INTEL, 0x5ac0), (kernel_ulong_t)&bxt_uart_info },
{ PCI_VDEVICE(INTEL, 0x5ac2), (kernel_ulong_t)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x5ac4), (kernel_ulong_t)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x5ac6), (kernel_ulong_t)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x5aee), (kernel_ulong_t)&bxt_uart_info },
/* SPT-LP */
{ PCI_VDEVICE(INTEL, 0x9d27), (kernel_ulong_t)&spt_uart_info },
{ PCI_VDEVICE(INTEL, 0x9d28), (kernel_ulong_t)&spt_uart_info },
{ PCI_VDEVICE(INTEL, 0x9d29), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0x9d2a), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0x9d60), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0x9d61), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0x9d62), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0x9d63), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0x9d64), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0x9d65), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0x9d66), (kernel_ulong_t)&spt_uart_info },
/* SPT-H */
{ PCI_VDEVICE(INTEL, 0xa127), (kernel_ulong_t)&spt_uart_info },
{ PCI_VDEVICE(INTEL, 0xa128), (kernel_ulong_t)&spt_uart_info },
{ PCI_VDEVICE(INTEL, 0xa129), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0xa12a), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0xa160), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0xa161), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0xa166), (kernel_ulong_t)&spt_uart_info },
{ }
};
MODULE_DEVICE_TABLE(pci, intel_lpss_pci_ids);
static struct pci_driver intel_lpss_pci_driver = {
.name = "intel-lpss",
.id_table = intel_lpss_pci_ids,
.probe = intel_lpss_pci_probe,
.remove = intel_lpss_pci_remove,
.driver = {
.pm = &intel_lpss_pci_pm_ops,
},
};
module_pci_driver(intel_lpss_pci_driver);
MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
MODULE_DESCRIPTION("Intel LPSS PCI driver");
MODULE_LICENSE("GPL v2");
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