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author | Florian Eckert <fe@dev.tdt.de> | 2018-07-30 08:24:03 +0200 |
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committer | Hauke Mehrtens <hauke@hauke-m.de> | 2020-06-26 20:54:53 +0200 |
commit | 2b550a6be198ff78ac672d654d867ff1a0a13760 (patch) | |
tree | dd8536c51e8fd0044cfd869a102fa063388888a2 /package/kernel/leds-apu2/src | |
parent | 635f111148c3f7ccb0ecc92863a3b1a142f6ebeb (diff) | |
download | upstream-2b550a6be198ff78ac672d654d867ff1a0a13760.tar.gz upstream-2b550a6be198ff78ac672d654d867ff1a0a13760.tar.bz2 upstream-2b550a6be198ff78ac672d654d867ff1a0a13760.zip |
kernel/leds-apu2: remove deprecated leds-apu2 driver
Remove leds-apu2 out of tree driver. There is a new upstream device gpio
and leds driver stack available for the APUv2 and APUv3 boards from pc
egnines. This new driver stack was add in kernel version 4.15.
Signed-off-by: Florian Eckert <fe@dev.tdt.de>
Diffstat (limited to 'package/kernel/leds-apu2/src')
-rw-r--r-- | package/kernel/leds-apu2/src/Kconfig | 8 | ||||
-rw-r--r-- | package/kernel/leds-apu2/src/Makefile | 1 | ||||
-rw-r--r-- | package/kernel/leds-apu2/src/leds-apu2.c | 363 |
3 files changed, 0 insertions, 372 deletions
diff --git a/package/kernel/leds-apu2/src/Kconfig b/package/kernel/leds-apu2/src/Kconfig deleted file mode 100644 index d0ad5bea4f..0000000000 --- a/package/kernel/leds-apu2/src/Kconfig +++ /dev/null @@ -1,8 +0,0 @@ -config LEDS_APU2 - tristate "PC Engines APU2/APU3 LED support" - depends on LEDS_CLASS - depends on LEDS_GPIO - depends on GPIOLIB - help - Say yes here to enable support for the CPU GPIO pins on the PC Engines - APU2/APU3 board, which enables the front LEDs and Reset Button. diff --git a/package/kernel/leds-apu2/src/Makefile b/package/kernel/leds-apu2/src/Makefile deleted file mode 100644 index 4f77b393cc..0000000000 --- a/package/kernel/leds-apu2/src/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-${CONFIG_LEDS_APU2} += leds-apu2.o diff --git a/package/kernel/leds-apu2/src/leds-apu2.c b/package/kernel/leds-apu2/src/leds-apu2.c deleted file mode 100644 index ef125c8768..0000000000 --- a/package/kernel/leds-apu2/src/leds-apu2.c +++ /dev/null @@ -1,363 +0,0 @@ -/* -* APU2 LED/GPIO Driver -* Copyright (c) 2016 Christian Lamparter <chunkeey (at) googlemail.com> -* -* Based on gpio-apu2.c - AMD FCH GPIO support for PC-Engines APU-2 board -* -* Copyright (c) 2015 Carsten Spiess <fli4l at carsten-spiess.de> -* -* This program is free software; you can redistribute it and/or modify -* it under the terms of the GNU General Public License as published by -* the Free Software Foundation; either version 2 of the License, or -* (at your option) any later version. -* -* This program is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -* GNU General Public License for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software -* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/miscdevice.h> -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/ioport.h> -#include <linux/platform_device.h> -#include <linux/uaccess.h> -#include <linux/io.h> -#include <linux/version.h> -#include <linux/dmi.h> -#include <linux/string.h> - -#include <linux/leds.h> -#include <linux/input.h> -#include <linux/gpio_keys.h> - -#define DEVNAME "leds-apu2" - -#define FCH_ACPI_MMIO_BASE 0xFED80000 -#define FCH_GPIO_BASE (FCH_ACPI_MMIO_BASE + 0x1500) -#define FCH_GPIO_SIZE 0x300 - -#define APU_NUM_GPIO 4 - -#define GPIO_BIT_DIR 23 -#define GPIO_BIT_WRITE 22 -#define GPIO_BIT_READ 16 - -/* internal variables */ -static struct pci_dev *gpio_apu2_pci; -static DEFINE_SPINLOCK (gpio_lock); - -/* the watchdog platform device */ -static struct platform_device *gpio_apu2_platform_device; -static struct platform_device *leddev; -static struct platform_device *keydev; - -static const struct pci_device_id gpio_apu2_pci_tbl[] ={ - {PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, PCI_ANY_ID, PCI_ANY_ID}, - { 0, } /* End of list */ -}; -MODULE_DEVICE_TABLE (pci, gpio_apu2_pci_tbl); - -/* EGPIO89=GPIO32, AGPIO68=GPIO57, AGPIO69=GPIO58, AGPIO70=GPIO59 */ -static u8 gpio_offset[APU_NUM_GPIO] = {89, 68, 69, 70}; - -static void __iomem *gpio_addr[APU_NUM_GPIO] = {NULL, NULL, NULL, NULL}; - -static int gpio_apu2_get_dir (struct gpio_chip *chip, unsigned offset) -{ - u32 val; - - val = ~ioread32 (gpio_addr[offset]); - - return (val >> GPIO_BIT_DIR) & 1; -} - -static int gpio_apu2_dir_in (struct gpio_chip *gc, unsigned offset) -{ - u32 val; - - spin_lock_bh (&gpio_lock); - - val = ioread32 (gpio_addr[offset]); - val &= ~BIT(GPIO_BIT_DIR); - iowrite32 (val, gpio_addr[offset]); - - spin_unlock_bh (&gpio_lock); - - return 0; -} - -static int gpio_apu2_dir_out (struct gpio_chip *chip, unsigned offset, - int value) -{ - u32 val; - - spin_lock_bh (&gpio_lock); - - val = ioread32 (gpio_addr[offset]); - val |= BIT(GPIO_BIT_DIR); - iowrite32 (val, gpio_addr[offset]); - - spin_unlock_bh (&gpio_lock); - - return 0; -} - -static int gpio_apu2_get_data (struct gpio_chip *chip, unsigned offset) -{ - u32 val; - - val = ioread32 (gpio_addr[offset]); - - return (val >> GPIO_BIT_READ) & 1; -} - -static void gpio_apu2_set_data (struct gpio_chip *chip, unsigned offset, int value) -{ - u32 val; - - spin_lock_bh (&gpio_lock); - - val = ioread32 (gpio_addr[offset]); - - if (value) - val |= BIT(GPIO_BIT_WRITE); - else - val &= ~BIT(GPIO_BIT_WRITE); - - iowrite32 (val, gpio_addr[offset]); - - spin_unlock_bh (&gpio_lock); -} - -static struct gpio_chip gpio_apu2_chip = { - .label = DEVNAME, - .owner = THIS_MODULE, - .base = -1, - .ngpio = APU_NUM_GPIO, - .get_direction = gpio_apu2_get_dir, - .direction_input = gpio_apu2_dir_in, - .direction_output = gpio_apu2_dir_out, - .get = gpio_apu2_get_data, - .set = gpio_apu2_set_data, -}; - -/* - * - */ -static int gpio_apu2_probe (struct platform_device *dev) -{ - int ret = 0; - int i; - struct pci_dev *pci_dev = NULL; - - /* Match the PCI device */ - for_each_pci_dev (pci_dev) { - if (pci_match_id (gpio_apu2_pci_tbl, pci_dev) != NULL) { - gpio_apu2_pci = pci_dev; - break; - } - } - - if (!gpio_apu2_pci) - return -ENODEV; - - pr_info ("%s: PCI Revision ID: 0x%x\n", DEVNAME, gpio_apu2_pci->revision); - - /* Determine type of southbridge chipset */ - if (gpio_apu2_pci->revision < 0x40) { - return -EACCES; - } - - /* Request memory region for GPIO's */ - if (!devm_request_mem_region (&dev->dev, FCH_GPIO_BASE, - FCH_GPIO_SIZE, DEVNAME)){ - pr_err ("%s: request GPIO mem region failed\n", DEVNAME); - return -ENXIO; - } - - /* Map IO's for GPIO's */ - for (i = 0; i < APU_NUM_GPIO; i++) { - gpio_addr[i] = devm_ioremap (&dev->dev, - FCH_GPIO_BASE + (gpio_offset[i] * sizeof (u32)), sizeof (u32)); - if (!gpio_addr[i]) { - pr_err ("%s: map GPIO%d address failed\n", DEVNAME, gpio_offset[i]); - return -ENXIO; - } - } - - gpio_apu2_chip.parent = &dev->dev; - ret = gpiochip_add (&gpio_apu2_chip); - if (ret) { - pr_err ("%s: adding gpiochip failed\n", DEVNAME); - } - - return ret; -} - -static int gpio_apu2_remove (struct platform_device *dev) -{ - gpiochip_remove (&gpio_apu2_chip); - return 0; -} - -static struct platform_driver gpio_apu2_driver = { - .probe = gpio_apu2_probe, - .remove = gpio_apu2_remove, - .driver = { - .owner = THIS_MODULE, - .name = DEVNAME - } -}; - -static struct gpio_led apu2_leds_gpio[] = { - { - .name = "apu2:green:power", - .gpio = 509, - .active_low = 1, - }, - { - .name = "apu2:green:led2", - .gpio = 510, - .active_low = 1, - }, - { - .name = "apu2:green:led3", - .gpio = 511, - .active_low = 1, - }, -}; - -static struct gpio_keys_button apu2_gpio_keys[] = { - { - .desc = "Reset button", - .type = EV_KEY, - .code = KEY_RESTART, - .debounce_interval = 60, - .gpio = 508, - .active_low = 1, - }, -}; - -static void register_gpio_keys_polled(int id, unsigned poll_interval, - unsigned nbuttons, - struct gpio_keys_button *buttons) -{ - struct gpio_keys_platform_data pdata = { }; - int err; - - keydev = platform_device_alloc("gpio-keys-polled", id); - if (!keydev) { - printk(KERN_ERR "Failed to allocate gpio-keys platform device\n"); - return; - } - - pdata.poll_interval = poll_interval; - pdata.nbuttons = nbuttons; - pdata.buttons = buttons; - - err = platform_device_add_data(keydev, &pdata, sizeof(pdata)); - if (err) { - dev_err(&keydev->dev, "failed to add platform data to key driver (%d)", err); - goto err_put_pdev; - } - - err = platform_device_add(keydev); - if (err) { - dev_err(&keydev->dev, "failed to register key platform device (%d)", err); - goto err_put_pdev; - } - - return; - -err_put_pdev: - platform_device_put(keydev); - keydev = NULL; -} - -static void register_leds_gpio(int id, unsigned num_leds, struct gpio_led *leds) -{ - struct gpio_led_platform_data pdata = { }; - int err; - - leddev = platform_device_alloc("leds-gpio", id); - if (!leddev) { - printk(KERN_ERR "Failed to allocate leds-gpio platform device\n"); - return; - } - - pdata.num_leds = num_leds; - pdata.leds = leds; - - err = platform_device_add_data(leddev, &pdata, sizeof(pdata)); - if (err) { - dev_err(&leddev->dev, "failed to add platform data to key driver (%d)", err); - goto err_put_pdev; - } - - err = platform_device_add(leddev); - if (err) { - dev_err(&leddev->dev, "failed to register key platform device (%d)", err); - goto err_put_pdev; - } - - return; - -err_put_pdev: - platform_device_put(leddev); - leddev = NULL; -} - -static int __init gpio_apu2_init (void) -{ - int err; - const char *board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR); - const char *board_name = dmi_get_system_info(DMI_BOARD_NAME); - - pr_info ("%s: load APU2/LED GPIO driver module\n", DEVNAME); - - err = platform_driver_register (&gpio_apu2_driver); - if (err) - goto exit; - - gpio_apu2_platform_device = platform_device_register_simple (DEVNAME, -1, NULL, 0); - if (IS_ERR(gpio_apu2_platform_device)) { - err = PTR_ERR(gpio_apu2_platform_device); - goto exit_driver; - } - - pr_info ("%s: APU2 GPIO/LED driver module loaded\n", DEVNAME); - - register_leds_gpio(-1, ARRAY_SIZE(apu2_leds_gpio), apu2_leds_gpio); - register_gpio_keys_polled(-1, 20, ARRAY_SIZE(apu2_gpio_keys), apu2_gpio_keys); - return 0; - -exit_driver: - platform_driver_unregister (&gpio_apu2_driver); -exit: - return err; -} - -static void __exit gpio_apu2_exit (void) -{ - platform_device_unregister (gpio_apu2_platform_device); - platform_device_unregister (leddev); - platform_device_unregister (keydev); - platform_driver_unregister (&gpio_apu2_driver); - pr_info ("%s: APU2 GPIO/LED driver module unloaded\n", DEVNAME); -} - -MODULE_AUTHOR ("Carsten Spiess <fli4l at carsten-spiess.de>"); -MODULE_DESCRIPTION("GPIO driver for AMD FCH on PC-Engines APU-2"); -MODULE_LICENSE("GPL"); - -module_init (gpio_apu2_init); -module_exit (gpio_apu2_exit); |