// SPDX-License-Identifier: GPL-2.0-only /* * Intel LPSS PCI support. * * Copyright (C) 2015, Intel Corporation * * Authors: Andy Shevchenko * Mika Westerberg */ #include #include #include #include #include #include #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); pci_try_set_mwi(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 struct property_entry glk_i2c_properties[] = { PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 313), PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171), PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 290), { }, }; static const struct intel_lpss_platform_info glk_i2c_info = { .clk_rate = 133000000, .properties = glk_i2c_properties, }; static const struct intel_lpss_platform_info cnl_i2c_info = { .clk_rate = 216000000, .properties = spt_i2c_properties, }; static const struct pci_device_id intel_lpss_pci_ids[] = { /* CML */ { PCI_VDEVICE(INTEL, 0x02a8), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x02a9), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x02aa), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0x02ab), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0x02c5), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x02c6), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x02c7), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x02e8), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x02e9), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x02ea), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x02eb), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x02fb), (kernel_ulong_t)&spt_info }, /* 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 }, /* GLK */ { PCI_VDEVICE(INTEL, 0x31ac), (kernel_ulong_t)&glk_i2c_info }, { PCI_VDEVICE(INTEL, 0x31ae), (kernel_ulong_t)&glk_i2c_info }, { PCI_VDEVICE(INTEL, 0x31b0), (kernel_ulong_t)&glk_i2c_info }, { PCI_VDEVICE(INTEL, 0x31b2), (kernel_ulong_t)&glk_i2c_info }, { PCI_VDEVICE(INTEL, 0x31b4), (kernel_ulong_t)&glk_i2c_info }, { PCI_VDEVICE(INTEL, 0x31b6), (kernel_ulong_t)&glk_i2c_info }, { PCI_VDEVICE(INTEL, 0x31b8), (kernel_ulong_t)&glk_i2c_info }, { PCI_VDEVICE(INTEL, 0x31ba), (kernel_ulong_t)&glk_i2c_info }, { PCI_VDEVICE(INTEL, 0x31bc), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x31be), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x31c0), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x31c2), (kernel_ulong_t)&bxt_info }, { PCI_VDEVICE(INTEL, 0x31c4), (kernel_ulong_t)&bxt_info }, { PCI_VDEVICE(INTEL, 0x31c6), (kernel_ulong_t)&bxt_info }, { PCI_VDEVICE(INTEL, 0x31ee), (kernel_ulong_t)&bxt_uart_info }, /* ICL-LP */ { PCI_VDEVICE(INTEL, 0x34a8), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x34a9), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x34aa), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0x34ab), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0x34c5), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x34c6), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x34c7), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x34e8), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x34e9), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x34ea), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x34eb), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x34fb), (kernel_ulong_t)&spt_info }, /* EHL */ { PCI_VDEVICE(INTEL, 0x4b28), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x4b29), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x4b2a), (kernel_ulong_t)&bxt_info }, { PCI_VDEVICE(INTEL, 0x4b2b), (kernel_ulong_t)&bxt_info }, { PCI_VDEVICE(INTEL, 0x4b37), (kernel_ulong_t)&bxt_info }, { PCI_VDEVICE(INTEL, 0x4b44), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x4b45), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x4b4b), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x4b4c), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x4b4d), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x4b78), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x4b79), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x4b7a), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x4b7b), (kernel_ulong_t)&bxt_i2c_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 }, /* CNL-LP */ { PCI_VDEVICE(INTEL, 0x9da8), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x9da9), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x9daa), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0x9dab), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0x9dc5), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x9dc6), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x9dc7), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x9de8), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x9de9), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x9dea), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x9deb), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x9dfb), (kernel_ulong_t)&spt_info }, /* TGL-LP */ { PCI_VDEVICE(INTEL, 0xa0a8), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0xa0a9), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0xa0aa), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0xa0ab), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0xa0c5), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0c6), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0c7), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0xa0d8), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0d9), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0da), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0xa0db), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0xa0dc), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0xa0dd), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0xa0de), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0xa0df), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0xa0e8), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0e9), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0ea), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0eb), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0fb), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0xa0fd), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0xa0fe), (kernel_ulong_t)&spt_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, 0xa162), (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 }, /* CNL-H */ { PCI_VDEVICE(INTEL, 0xa328), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0xa329), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0xa32a), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0xa32b), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0xa347), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0xa368), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0xa369), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0xa36a), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0xa36b), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0xa37b), (kernel_ulong_t)&spt_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 "); MODULE_AUTHOR("Mika Westerberg "); MODULE_DESCRIPTION("Intel LPSS PCI driver"); MODULE_LICENSE("GPL v2");