Merge branch 'for-5.4/sb0540' into for-linus
- support for Creative SB0540 IR receivers, from Bastien Nocera Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Jiri Kosina
commit
7af0f839f4
@ -4308,6 +4308,12 @@ S: Maintained
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F: Documentation/filesystems/cramfs.txt
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F: fs/cramfs/
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CREATIVE SB0540
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M: Bastien Nocera <hadess@hadess.net>
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L: linux-input@vger.kernel.org
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S: Maintained
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F: drivers/hid/hid-creative-sb0540.c
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CRYPTO API
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M: Herbert Xu <herbert@gondor.apana.org.au>
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M: "David S. Miller" <davem@davemloft.net>
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@ -273,6 +273,15 @@ config HID_CP2112
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and gpiochip to expose these functions of the CP2112. The
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customizable USB descriptor fields are exposed as sysfs attributes.
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config HID_CREATIVE_SB0540
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tristate "Creative SB0540 infrared receiver"
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depends on USB_HID
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help
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Support for Creative infrared SB0540-compatible remote controls, such
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as the RM-1500 and RM-1800 remotes.
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Say Y here if you want support for Creative SB0540 infrared receiver.
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config HID_CYPRESS
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tristate "Cypress mouse and barcode readers"
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depends on HID
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@ -27,6 +27,7 @@ obj-$(CONFIG_HID_ALPS) += hid-alps.o
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obj-$(CONFIG_HID_ACRUX) += hid-axff.o
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obj-$(CONFIG_HID_APPLE) += hid-apple.o
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obj-$(CONFIG_HID_APPLEIR) += hid-appleir.o
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obj-$(CONFIG_HID_CREATIVE_SB0540) += hid-creative-sb0540.o
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obj-$(CONFIG_HID_ASUS) += hid-asus.o
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obj-$(CONFIG_HID_AUREAL) += hid-aureal.o
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obj-$(CONFIG_HID_BELKIN) += hid-belkin.o
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268
drivers/hid/hid-creative-sb0540.c
Normal file
268
drivers/hid/hid-creative-sb0540.c
Normal file
@ -0,0 +1,268 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* HID driver for the Creative SB0540 receiver
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*
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* Copyright (C) 2019 Red Hat Inc. All Rights Reserved
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*
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*/
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#include <linux/device.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include "hid-ids.h"
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MODULE_AUTHOR("Bastien Nocera <hadess@hadess.net>");
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MODULE_DESCRIPTION("HID Creative SB0540 receiver");
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MODULE_LICENSE("GPL");
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static const unsigned short creative_sb0540_key_table[] = {
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KEY_POWER,
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KEY_RESERVED, /* text: 24bit */
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KEY_RESERVED, /* 24bit wheel up */
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KEY_RESERVED, /* 24bit wheel down */
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KEY_RESERVED, /* text: CMSS */
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KEY_RESERVED, /* CMSS wheel Up */
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KEY_RESERVED, /* CMSS wheel Down */
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KEY_RESERVED, /* text: EAX */
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KEY_RESERVED, /* EAX wheel up */
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KEY_RESERVED, /* EAX wheel down */
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KEY_RESERVED, /* text: 3D Midi */
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KEY_RESERVED, /* 3D Midi wheel up */
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KEY_RESERVED, /* 3D Midi wheel down */
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KEY_MUTE,
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KEY_VOLUMEUP,
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KEY_VOLUMEDOWN,
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KEY_UP,
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KEY_LEFT,
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KEY_RIGHT,
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KEY_REWIND,
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KEY_OK,
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KEY_FASTFORWARD,
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KEY_DOWN,
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KEY_AGAIN, /* text: Return, symbol: Jump to */
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KEY_PLAY, /* text: Start */
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KEY_ESC, /* text: Cancel */
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KEY_RECORD,
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KEY_OPTION,
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KEY_MENU, /* text: Display */
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KEY_PREVIOUS,
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KEY_PLAYPAUSE,
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KEY_NEXT,
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KEY_SLOW,
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KEY_STOP,
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KEY_NUMERIC_1,
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KEY_NUMERIC_2,
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KEY_NUMERIC_3,
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KEY_NUMERIC_4,
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KEY_NUMERIC_5,
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KEY_NUMERIC_6,
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KEY_NUMERIC_7,
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KEY_NUMERIC_8,
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KEY_NUMERIC_9,
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KEY_NUMERIC_0
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};
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/*
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* Codes and keys from lirc's
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* remotes/creative/lircd.conf.alsa_usb
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* order and size must match creative_sb0540_key_table[] above
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*/
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static const unsigned short creative_sb0540_codes[] = {
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0x619E,
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0x916E,
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0x926D,
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0x936C,
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0x718E,
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0x946B,
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0x956A,
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0x8C73,
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0x9669,
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0x9768,
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0x9867,
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0x9966,
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0x9A65,
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0x6E91,
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0x629D,
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0x639C,
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0x7B84,
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0x6B94,
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0x728D,
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0x8778,
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0x817E,
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0x758A,
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0x8D72,
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0x8E71,
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0x8877,
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0x7C83,
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0x738C,
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0x827D,
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0x7689,
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0x7F80,
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0x7986,
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0x7A85,
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0x7D82,
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0x857A,
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0x8B74,
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0x8F70,
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0x906F,
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0x8A75,
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0x847B,
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0x7887,
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0x8976,
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0x837C,
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0x7788,
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0x807F
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};
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struct creative_sb0540 {
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struct input_dev *input_dev;
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struct hid_device *hid;
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unsigned short keymap[ARRAY_SIZE(creative_sb0540_key_table)];
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};
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static inline u64 reverse(u64 data, int bits)
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{
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int i;
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u64 c;
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c = 0;
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for (i = 0; i < bits; i++) {
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c |= (u64) (((data & (((u64) 1) << i)) ? 1 : 0))
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<< (bits - 1 - i);
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}
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return (c);
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}
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static int get_key(struct creative_sb0540 *creative_sb0540, u64 keycode)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(creative_sb0540_codes); i++) {
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if (creative_sb0540_codes[i] == keycode)
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return creative_sb0540->keymap[i];
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}
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return 0;
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}
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static int creative_sb0540_raw_event(struct hid_device *hid,
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struct hid_report *report, u8 *data, int len)
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{
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struct creative_sb0540 *creative_sb0540 = hid_get_drvdata(hid);
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u64 code, main_code;
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int key;
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if (len != 6)
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return 0;
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/* From daemons/hw_hiddev.c sb0540_rec() in lirc */
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code = reverse(data[5], 8);
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main_code = (code << 8) + ((~code) & 0xff);
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/*
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* Flip to get values in the same format as
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* remotes/creative/lircd.conf.alsa_usb in lirc
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*/
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main_code = ((main_code & 0xff) << 8) +
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((main_code & 0xff00) >> 8);
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key = get_key(creative_sb0540, main_code);
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if (key == 0 || key == KEY_RESERVED) {
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hid_err(hid, "Could not get a key for main_code %llX\n",
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main_code);
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return 0;
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}
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input_report_key(creative_sb0540->input_dev, key, 1);
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input_report_key(creative_sb0540->input_dev, key, 0);
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input_sync(creative_sb0540->input_dev);
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/* let hidraw and hiddev handle the report */
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return 0;
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}
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static int creative_sb0540_input_configured(struct hid_device *hid,
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struct hid_input *hidinput)
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{
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struct input_dev *input_dev = hidinput->input;
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struct creative_sb0540 *creative_sb0540 = hid_get_drvdata(hid);
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int i;
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creative_sb0540->input_dev = input_dev;
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input_dev->keycode = creative_sb0540->keymap;
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input_dev->keycodesize = sizeof(unsigned short);
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input_dev->keycodemax = ARRAY_SIZE(creative_sb0540->keymap);
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input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
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memcpy(creative_sb0540->keymap, creative_sb0540_key_table,
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sizeof(creative_sb0540->keymap));
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for (i = 0; i < ARRAY_SIZE(creative_sb0540_key_table); i++)
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set_bit(creative_sb0540->keymap[i], input_dev->keybit);
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clear_bit(KEY_RESERVED, input_dev->keybit);
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return 0;
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}
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static int creative_sb0540_input_mapping(struct hid_device *hid,
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struct hid_input *hi, struct hid_field *field,
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struct hid_usage *usage, unsigned long **bit, int *max)
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{
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/*
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* We are remapping the keys ourselves, so ignore the hid-input
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* keymap processing.
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*/
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return -1;
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}
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static int creative_sb0540_probe(struct hid_device *hid,
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const struct hid_device_id *id)
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{
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int ret;
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struct creative_sb0540 *creative_sb0540;
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creative_sb0540 = devm_kzalloc(&hid->dev,
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sizeof(struct creative_sb0540), GFP_KERNEL);
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if (!creative_sb0540)
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return -ENOMEM;
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creative_sb0540->hid = hid;
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/* force input as some remotes bypass the input registration */
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hid->quirks |= HID_QUIRK_HIDINPUT_FORCE;
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hid_set_drvdata(hid, creative_sb0540);
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ret = hid_parse(hid);
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if (ret) {
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hid_err(hid, "parse failed\n");
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return ret;
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}
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ret = hid_hw_start(hid, HID_CONNECT_DEFAULT);
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if (ret) {
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hid_err(hid, "hw start failed\n");
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return ret;
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}
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return ret;
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}
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static const struct hid_device_id creative_sb0540_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB0540) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, creative_sb0540_devices);
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static struct hid_driver creative_sb0540_driver = {
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.name = "creative-sb0540",
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.id_table = creative_sb0540_devices,
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.raw_event = creative_sb0540_raw_event,
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.input_configured = creative_sb0540_input_configured,
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.probe = creative_sb0540_probe,
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.input_mapping = creative_sb0540_input_mapping,
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};
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module_hid_driver(creative_sb0540_driver);
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@ -314,6 +314,7 @@
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#define USB_VENDOR_ID_CREATIVELABS 0x041e
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#define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51 0x322c
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#define USB_DEVICE_ID_PRODIKEYS_PCMIDI 0x2801
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#define USB_DEVICE_ID_CREATIVE_SB0540 0x3100
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#define USB_VENDOR_ID_CVTOUCH 0x1ff7
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#define USB_DEVICE_ID_CVTOUCH_SCREEN 0x0013
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