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kernel-49/drivers/mfd/intel-lpss-pci.c
Greg Kroah-Hartman a882db755a Merge 4.9.196 into android-4.9-q 
Changes in 4.9.196
	drm/bridge: tc358767: Increase AUX transfer length limit
	video: ssd1307fb: Start page range at page_offset
	drm/radeon: Fix EEH during kexec
	gpu: drm: radeon: Fix a possible null-pointer dereference in radeon_connector_set_property()
	ipmi_si: Only schedule continuously in the thread in maintenance mode
	clk: qoriq: Fix -Wunused-const-variable
	clk: sirf: Don't reference clk_init_data after registration
	powerpc/rtas: use device model APIs and serialization during LPM
	powerpc/futex: Fix warning: 'oldval' may be used uninitialized in this function
	powerpc/pseries/mobility: use cond_resched when updating device tree
	pinctrl: tegra: Fix write barrier placement in pmx_writel
	vfio_pci: Restore original state on release
	drm/amdgpu/si: fix ASIC tests
	powerpc/64s/exception: machine check use correct cfar for late handler
	powerpc/pseries: correctly track irq state in default idle
	arm64: fix unreachable code issue with cmpxchg
	clk: at91: select parent if main oscillator or bypass is enabled
	scsi: core: Reduce memory required for SCSI logging
	MIPS: tlbex: Explicitly cast _PAGE_NO_EXEC to a boolean
	mfd: intel-lpss: Remove D3cold delay
	PCI: tegra: Fix OF node reference leak
	ARM: 8898/1: mm: Don't treat faults reported from cache maintenance as writes
	HID: apple: Fix stuck function keys when using FN
	security: smack: Fix possible null-pointer dereferences in smack_socket_sock_rcv_skb()
	ARM: 8903/1: ensure that usable memory in bank 0 starts from a PMD-aligned address
	fat: work around race with userspace's read via blockdev while mounting
	hypfs: Fix error number left in struct pointer member
	ocfs2: wait for recovering done after direct unlock request
	kmemleak: increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE default to 16K
	ANDROID: binder: remove waitqueue when thread exits.
	ANDROID: binder: synchronize_rcu() when using POLLFREE.
	cxgb4:Fix out-of-bounds MSI-X info array access
	hso: fix NULL-deref on tty open
	ipv6: drop incoming packets having a v4mapped source address
	net: ipv4: avoid mixed n_redirects and rate_tokens usage
	net: qlogic: Fix memory leak in ql_alloc_large_buffers
	net: Unpublish sk from sk_reuseport_cb before call_rcu
	nfc: fix memory leak in llcp_sock_bind()
	qmi_wwan: add support for Cinterion CLS8 devices
	sch_dsmark: fix potential NULL deref in dsmark_init()
	net/rds: Fix error handling in rds_ib_add_one()
	xen-netfront: do not use ~0U as error return value for xennet_fill_frags()
	sch_cbq: validate TCA_CBQ_WRROPT to avoid crash
	ipv6: Handle missing host route in __ipv6_ifa_notify
	Smack: Don't ignore other bprm->unsafe flags if LSM_UNSAFE_PTRACE is set
	smack: use GFP_NOFS while holding inode_smack::smk_lock
	NFC: fix attrs checks in netlink interface
	Linux 4.9.196

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2019-10-24 21:40:04 +03:00

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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 <linux/property.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;
pdev->d3cold_delay = 0;
/* 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 struct property_entry spt_i2c_properties[] = {
PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 230),
{ },
};
static const struct intel_lpss_platform_info spt_i2c_info = {
.clk_rate = 120000000,
.properties = spt_i2c_properties,
};
static struct property_entry uart_properties[] = {
PROPERTY_ENTRY_U32("reg-io-width", 4),
PROPERTY_ENTRY_U32("reg-shift", 2),
PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"),
{ },
};
static const struct intel_lpss_platform_info spt_uart_info = {
.clk_rate = 120000000,
.clk_con_id = "baudclk",
.properties = uart_properties,
};
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",
.properties = uart_properties,
};
static struct property_entry bxt_i2c_properties[] = {
PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 42),
PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171),
PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 208),
{ },
};
static const struct intel_lpss_platform_info bxt_i2c_info = {
.clk_rate = 133000000,
.properties = bxt_i2c_properties,
};
static struct property_entry apl_i2c_properties[] = {
PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 207),
PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171),
PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 208),
{ },
};
static const struct intel_lpss_platform_info apl_i2c_info = {
.clk_rate = 133000000,
.properties = apl_i2c_properties,
};
static const struct pci_device_id intel_lpss_pci_ids[] = {
/* BXT A-Step */
{ 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 },
/* BXT B-Step */
{ PCI_VDEVICE(INTEL, 0x1aac), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x1aae), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x1ab0), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x1ab2), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x1ab4), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x1ab6), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x1ab8), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x1aba), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x1abc), (kernel_ulong_t)&bxt_uart_info },
{ PCI_VDEVICE(INTEL, 0x1abe), (kernel_ulong_t)&bxt_uart_info },
{ PCI_VDEVICE(INTEL, 0x1ac0), (kernel_ulong_t)&bxt_uart_info },
{ PCI_VDEVICE(INTEL, 0x1ac2), (kernel_ulong_t)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x1ac4), (kernel_ulong_t)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x1ac6), (kernel_ulong_t)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x1aee), (kernel_ulong_t)&bxt_uart_info },
/* APL */
{ PCI_VDEVICE(INTEL, 0x5aac), (kernel_ulong_t)&apl_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5aae), (kernel_ulong_t)&apl_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5ab0), (kernel_ulong_t)&apl_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5ab2), (kernel_ulong_t)&apl_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5ab4), (kernel_ulong_t)&apl_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5ab6), (kernel_ulong_t)&apl_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5ab8), (kernel_ulong_t)&apl_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5aba), (kernel_ulong_t)&apl_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_i2c_info },
{ PCI_VDEVICE(INTEL, 0x9d61), (kernel_ulong_t)&spt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x9d62), (kernel_ulong_t)&spt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x9d63), (kernel_ulong_t)&spt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x9d64), (kernel_ulong_t)&spt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x9d65), (kernel_ulong_t)&spt_i2c_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_i2c_info },
{ PCI_VDEVICE(INTEL, 0xa161), (kernel_ulong_t)&spt_i2c_info },
{ PCI_VDEVICE(INTEL, 0xa166), (kernel_ulong_t)&spt_uart_info },
/* KBL-H */
{ PCI_VDEVICE(INTEL, 0xa2a7), (kernel_ulong_t)&spt_uart_info },
{ PCI_VDEVICE(INTEL, 0xa2a8), (kernel_ulong_t)&spt_uart_info },
{ PCI_VDEVICE(INTEL, 0xa2a9), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0xa2aa), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0xa2e0), (kernel_ulong_t)&spt_i2c_info },
{ PCI_VDEVICE(INTEL, 0xa2e1), (kernel_ulong_t)&spt_i2c_info },
{ PCI_VDEVICE(INTEL, 0xa2e2), (kernel_ulong_t)&spt_i2c_info },
{ PCI_VDEVICE(INTEL, 0xa2e3), (kernel_ulong_t)&spt_i2c_info },
{ PCI_VDEVICE(INTEL, 0xa2e6), (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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