Andy Shevchenko | c558e39 | 2014-08-19 19:17:35 +0300 | [diff] [blame] | 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 | |
Andy Shevchenko | 90927fe | 2014-08-19 19:17:36 +0300 | [diff] [blame] | 26 | err = pcim_enable_device(pdev); |
Andy Shevchenko | c558e39 | 2014-08-19 19:17:35 +0300 | [diff] [blame] | 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); |
Andy Shevchenko | c558e39 | 2014-08-19 19:17:35 +0300 | [diff] [blame] | 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"); |