1 /* 2 * Intel Low Power Subsystem PWM controller PCI driver 3 * 4 * Copyright (C) 2014, Intel Corporation 5 * 6 * Derived from the original pwm-lpss.c 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13 #include <linux/kernel.h> 14 #include <linux/module.h> 15 #include <linux/pci.h> 16 17 #include "pwm-lpss.h" 18 19 static int pwm_lpss_probe_pci(struct pci_dev *pdev, 20 const struct pci_device_id *id) 21 { 22 const struct pwm_lpss_boardinfo *info; 23 struct pwm_lpss_chip *lpwm; 24 int err; 25 26 err = pcim_enable_device(pdev); 27 if (err < 0) 28 return err; 29 30 info = (struct pwm_lpss_boardinfo *)id->driver_data; 31 lpwm = pwm_lpss_probe(&pdev->dev, &pdev->resource[0], info); 32 if (IS_ERR(lpwm)) 33 return PTR_ERR(lpwm); 34 35 pci_set_drvdata(pdev, lpwm); 36 return 0; 37 } 38 39 static void pwm_lpss_remove_pci(struct pci_dev *pdev) 40 { 41 struct pwm_lpss_chip *lpwm = pci_get_drvdata(pdev); 42 43 pwm_lpss_remove(lpwm); 44 } 45 46 static const struct pci_device_id pwm_lpss_pci_ids[] = { 47 { PCI_VDEVICE(INTEL, 0x0f08), (unsigned long)&pwm_lpss_byt_info}, 48 { PCI_VDEVICE(INTEL, 0x0f09), (unsigned long)&pwm_lpss_byt_info}, 49 { PCI_VDEVICE(INTEL, 0x2288), (unsigned long)&pwm_lpss_bsw_info}, 50 { PCI_VDEVICE(INTEL, 0x2289), (unsigned long)&pwm_lpss_bsw_info}, 51 { }, 52 }; 53 MODULE_DEVICE_TABLE(pci, pwm_lpss_pci_ids); 54 55 static struct pci_driver pwm_lpss_driver_pci = { 56 .name = "pwm-lpss", 57 .id_table = pwm_lpss_pci_ids, 58 .probe = pwm_lpss_probe_pci, 59 .remove = pwm_lpss_remove_pci, 60 }; 61 module_pci_driver(pwm_lpss_driver_pci); 62 63 MODULE_DESCRIPTION("PWM PCI driver for Intel LPSS"); 64 MODULE_LICENSE("GPL v2"); 65