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path: root/package/kernel/linux/modules/input.mk
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#
# Copyright (C) 2006-2013 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

INPUT_MODULES_MENU:=Input modules

define KernelPackage/hid
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=HID Devices
  KCONFIG:=CONFIG_HID CONFIG_HIDRAW=y
  FILES:=$(LINUX_DIR)/drivers/hid/hid.ko
  AUTOLOAD:=$(call AutoLoad,61,hid)
  $(call AddDepends/input,+kmod-input-evdev)
endef

define KernelPackage/hid/description
 Kernel modules for HID devices
endef

$(eval $(call KernelPackage,hid))

define KernelPackage/hid-generic
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=Generic HID device support
  KCONFIG:=CONFIG_HID_GENERIC
  FILES:=$(LINUX_DIR)/drivers/hid/hid-generic.ko
  AUTOLOAD:=$(call AutoProbe,hid-generic)
  $(call AddDepends/hid)
endef

define KernelPackage/hid/description
 Kernel modules for generic HID device (e.g. keyboards and mice) support
endef

$(eval $(call KernelPackage,hid-generic))

define KernelPackage/input-core
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=Input device core
  KCONFIG:=CONFIG_INPUT
  FILES:=$(LINUX_DIR)/drivers/input/input-core.ko
endef

define KernelPackage/input-core/description
 Kernel modules for support of input device
endef

$(eval $(call KernelPackage,input-core))


define KernelPackage/input-evdev
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=Input event device
  KCONFIG:=CONFIG_INPUT_EVDEV
  FILES:=$(LINUX_DIR)/drivers/input/evdev.ko
  AUTOLOAD:=$(call AutoLoad,60,evdev)
  $(call AddDepends/input)
endef

define KernelPackage/input-evdev/description
 Kernel modules for support of input device events
endef

$(eval $(call KernelPackage,input-evdev))


define KernelPackage/input-gpio-keys
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=GPIO key support
  DEPENDS:= @GPIO_SUPPORT
  KCONFIG:= \
	CONFIG_KEYBOARD_GPIO \
	CONFIG_INPUT_KEYBOARD=y
  FILES:=$(LINUX_DIR)/drivers/input/keyboard/gpio_keys.ko
  AUTOLOAD:=$(call AutoProbe,gpio_keys)
  $(call AddDepends/input)
endef

define KernelPackage/input-gpio-keys/description
 This driver implements support for buttons connected
 to GPIO pins of various CPUs (and some other chips).
endef

$(eval $(call KernelPackage,input-gpio-keys))


define KernelPackage/input-gpio-keys-polled
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=Polled GPIO key support
  DEPENDS:=@GPIO_SUPPORT +kmod-input-polldev
  KCONFIG:= \
	CONFIG_KEYBOARD_GPIO_POLLED \
	CONFIG_INPUT_KEYBOARD=y
  FILES:=$(LINUX_DIR)/drivers/input/keyboard/gpio_keys_polled.ko
  AUTOLOAD:=$(call AutoProbe,gpio_keys_polled,1)
  $(call AddDepends/input)
endef

define KernelPackage/input-gpio-keys-polled/description
 Kernel module for support polled GPIO keys input device
endef

$(eval $(call KernelPackage,input-gpio-keys-polled))


define KernelPackage/input-gpio-encoder
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=GPIO rotay encoder
  KCONFIG:=CONFIG_INPUT_GPIO_ROTARY_ENCODER
  FILES:=$(LINUX_DIR)/drivers/input/misc/rotary_encoder.ko
  AUTOLOAD:=$(call AutoProbe,rotary_encoder)
  $(call AddDepends/input,@GPIO_SUPPORT)
endef

define KernelPackage/gpio-encoder/description
 Kernel module to use rotary encoders connected to GPIO pins
endef

$(eval $(call KernelPackage,input-gpio-encoder))


define KernelPackage/input-joydev
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=Joystick device support
  KCONFIG:=CONFIG_INPUT_JOYDEV
  FILES:=$(LINUX_DIR)/drivers/input/joydev.ko
  AUTOLOAD:=$(call AutoProbe,joydev)
  $(call AddDepends/input)
endef

define KernelPackage/input-joydev/description
 Kernel module for joystick support
endef

$(eval $(call KernelPackage,input-joydev))


define KernelPackage/input-polldev
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=Polled Input device support
  KCONFIG:=CONFIG_INPUT_POLLDEV
  FILES:=$(LINUX_DIR)/drivers/input/input-polldev.ko
  $(call AddDepends/input)
endef

define KernelPackage/input-polldev/description
 Kernel module for support of polled input devices
endef

$(eval $(call KernelPackage,input-polldev))


define KernelPackage/input-matrixkmap
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=Input matrix devices support
  KCONFIG:=CONFIG_INPUT_MATRIXKMAP
  DEPENDS:=@!LINUX_3_3
  FILES:=$(LINUX_DIR)/drivers/input/matrix-keymap.ko
  AUTOLOAD:=$(call AutoProbe,matrix-keymap)
  $(call AddDepends/input)
endef

define KernelPackage/input-matrix/description
 Kernel module support for input matrix devices
endef

$(eval $(call KernelPackage,input-matrixkmap))


define KernelPackage/acpi-button
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=ACPI Button Support
  DEPENDS:=@(TARGET_x86_generic||TARGET_x86_kvm_guest||TARGET_x86_xen_domu) +kmod-input-evdev
  KCONFIG:=CONFIG_ACPI_BUTTON
  FILES:=$(LINUX_DIR)/drivers/acpi/button.ko
  AUTOLOAD:=$(call AutoLoad,06,button)
endef

define KernelPackage/acpi-button/description
 Kernel module for ACPI Button support
endef

$(eval $(call KernelPackage,acpi-button))


define KernelPackage/keyboard-imx
  SUBMENU:=$(INPUT_MODULES_MENU)
  TITLE:=IMX keypad support
  DEPENDS:=@(TARGET_mxs||TARGET_imx6) +kmod-input-matrixkmap
  KCONFIG:= \
	CONFIG_KEYBOARD_IMX \
	CONFIG_INPUT_KEYBOARD=y
  FILES:=$(LINUX_DIR)/drivers/input/keyboard/imx_keypad.ko
  AUTOLOAD:=$(call AutoProbe,imx_keypad)
endef

define KernelPackage/keyboard-imx/description
 Enable support for IMX keypad port.
endef

$(eval $(call KernelPackage,keyboard-imx))
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-27 04:10:59 +0000
{ printk(KERN_INFO "Your memory is not aligned you need to rebuild your kernel " "with a bigger NODEMAPSIZE shift=%d\n", shift); return -1; } return shift; } /* initialize NODE_DATA given nodeid and start/end */ void __init setup_node_bootmem(int nodeid, u64 start, u64 end) { unsigned long start_pfn, end_pfn; start_pfn = start >> PAGE_SHIFT; end_pfn = end >> PAGE_SHIFT; NODE_DATA(nodeid)->node_id = nodeid; NODE_DATA(nodeid)->node_start_pfn = start_pfn; NODE_DATA(nodeid)->node_spanned_pages = end_pfn - start_pfn; node_set_online(nodeid); } void __init numa_init_array(void) { int rr, i; /* There are unfortunately some poorly designed mainboards around that only connect memory to a single CPU. This breaks the 1:1 cpu->node mapping. To avoid this fill in the mapping for all possible CPUs, as the number of CPUs is not known yet. We round robin the existing nodes. */ rr = first_node(node_online_map); for (i = 0; i < NR_CPUS; i++) { if (cpu_to_node[i] != NUMA_NO_NODE) continue; numa_set_node(i, rr); rr = next_node(rr, node_online_map); if (rr == MAX_NUMNODES) rr = first_node(node_online_map); } } #ifdef CONFIG_NUMA_EMU static int numa_fake __initdata = 0; /* Numa emulation */ static int numa_emulation(u64 start_pfn, u64 end_pfn) { int i; struct node nodes[MAX_NUMNODES]; u64 sz = ((end_pfn - start_pfn)<<PAGE_SHIFT) / numa_fake; /* Kludge needed for the hash function */ if (hweight64(sz) > 1) { u64 x = 1; while ((x << 1) < sz) x <<= 1; if (x < sz/2) printk(KERN_ERR "Numa emulation unbalanced. Complain to maintainer\n"); sz = x; } memset(&nodes,0,sizeof(nodes)); for (i = 0; i < numa_fake; i++) { nodes[i].start = (start_pfn<<PAGE_SHIFT) + i*sz; if (i == numa_fake-1) sz = (end_pfn<<PAGE_SHIFT) - nodes[i].start; nodes[i].end = nodes[i].start + sz; printk(KERN_INFO "Faking node %d at %"PRIx64"-%"PRIx64" (%"PRIu64"MB)\n", i, nodes[i].start, nodes[i].end, (nodes[i].end - nodes[i].start) >> 20); node_set_online(i); } memnode_shift = compute_hash_shift(nodes, numa_fake); if (memnode_shift < 0) { memnode_shift = 0; printk(KERN_ERR "No NUMA hash function found. Emulation disabled.\n"); return -1; } for_each_online_node(i) setup_node_bootmem(i, nodes[i].start, nodes[i].end); numa_init_array(); return 0; } #endif void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn) { int i; #ifdef CONFIG_NUMA_EMU if (numa_fake && !numa_emulation(start_pfn, end_pfn)) return; #endif #ifdef CONFIG_ACPI_NUMA if (!numa_off && !acpi_scan_nodes((u64)start_pfn << PAGE_SHIFT, (u64)end_pfn << PAGE_SHIFT)) return; #endif printk(KERN_INFO "%s\n", numa_off ? "NUMA turned off" : "No NUMA configuration found"); printk(KERN_INFO "Faking a node at %016"PRIx64"-%016"PRIx64"\n", (u64)start_pfn << PAGE_SHIFT, (u64)end_pfn << PAGE_SHIFT); /* setup dummy node covering all memory */ memnode_shift = 63; memnodemap[0] = 0; nodes_clear(node_online_map); node_set_online(0); for (i = 0; i < NR_CPUS; i++) numa_set_node(i, 0); node_to_cpumask[0] = cpumask_of_cpu(0); setup_node_bootmem(0, (u64)start_pfn << PAGE_SHIFT, (u64)end_pfn << PAGE_SHIFT); } __cpuinit void numa_add_cpu(int cpu) { cpu_set(cpu, node_to_cpumask[cpu_to_node(cpu)]); } void __cpuinit numa_set_node(int cpu, int node) { cpu_to_node[cpu] = node; } /* [numa=off] */ static __init int numa_setup(char *opt) { if (!strncmp(opt,"off",3)) numa_off = 1; if (!strncmp(opt,"on",2)) numa_off = 0; #ifdef CONFIG_NUMA_EMU if(!strncmp(opt, "fake=", 5)) { numa_off = 0; numa_fake = simple_strtoul(opt+5,NULL,0); ; if (numa_fake >= MAX_NUMNODES) numa_fake = MAX_NUMNODES; } #endif #ifdef CONFIG_ACPI_NUMA if (!strncmp(opt,"noacpi",6)) { numa_off = 0; acpi_numa = -1; } #endif return 1; } /* * Setup early cpu_to_node. * * Populate cpu_to_node[] only if x86_cpu_to_apicid[], * and apicid_to_node[] tables have valid entries for a CPU. * This means we skip cpu_to_node[] initialisation for NUMA * emulation and faking node case (when running a kernel compiled * for NUMA on a non NUMA box), which is OK as cpu_to_node[] * is already initialized in a round robin manner at numa_init_array, * prior to this call, and this initialization is good enough * for the fake NUMA cases. */ void __init init_cpu_to_node(void) { int i; for (i = 0; i < NR_CPUS; i++) { u8 apicid = x86_cpu_to_apicid[i]; if (apicid == BAD_APICID) continue; if (apicid_to_node[apicid] == NUMA_NO_NODE) continue; numa_set_node(i,apicid_to_node[apicid]); } } EXPORT_SYMBOL(cpu_to_node); EXPORT_SYMBOL(node_to_cpumask); EXPORT_SYMBOL(memnode_shift); EXPORT_SYMBOL(memnodemap); EXPORT_SYMBOL(node_data); static void dump_numa(unsigned char key) { s_time_t now = NOW(); int i; printk("'%c' pressed -> dumping numa info (now-0x%X:%08X)\n", key, (u32)(now>>32), (u32)now); for_each_online_node(i) { paddr_t pa = (NODE_DATA(i)->node_start_pfn + 1)<< PAGE_SHIFT; printk("idx%d -> NODE%d start->%lu size->%lu\n", i, NODE_DATA(i)->node_id, NODE_DATA(i)->node_start_pfn, NODE_DATA(i)->node_spanned_pages); /* sanity check phys_to_nid() */ printk("phys_to_nid(%"PRIpaddr") -> %d should be %d\n", pa, phys_to_nid(pa), NODE_DATA(i)->node_id); } for_each_online_cpu(i) printk("CPU%d -> NODE%d\n", i, cpu_to_node[i]); } static __init int register_numa_trigger(void) { register_keyhandler('u', dump_numa, "dump numa info"); return 0; } __initcall(register_numa_trigger);
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-27 04:10:59 +0000