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Diffstat (limited to 'drivers/media/video/saa7134/saa7134-input.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-input.c491
1 files changed, 491 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c
new file mode 100644
index 000000000000..727d437e07df
--- /dev/null
+++ b/drivers/media/video/saa7134/saa7134-input.c
@@ -0,0 +1,491 @@
+/*
+ * $Id: saa7134-input.c,v 1.16 2004/12/10 12:33:39 kraxel Exp $
+ *
+ * handle saa7134 IR remotes via linux kernel input layer.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+
+#include "saa7134-reg.h"
+#include "saa7134.h"
+
+static unsigned int disable_ir = 0;
+module_param(disable_ir, int, 0444);
+MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
+
+static unsigned int ir_debug = 0;
+module_param(ir_debug, int, 0644);
+MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
+
+#define dprintk(fmt, arg...) if (ir_debug) \
+ printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
+
+/* ---------------------------------------------------------------------- */
+
+static IR_KEYTAB_TYPE flyvideo_codes[IR_KEYTAB_SIZE] = {
+ [ 15 ] = KEY_KP0,
+ [ 3 ] = KEY_KP1,
+ [ 4 ] = KEY_KP2,
+ [ 5 ] = KEY_KP3,
+ [ 7 ] = KEY_KP4,
+ [ 8 ] = KEY_KP5,
+ [ 9 ] = KEY_KP6,
+ [ 11 ] = KEY_KP7,
+ [ 12 ] = KEY_KP8,
+ [ 13 ] = KEY_KP9,
+
+ [ 14 ] = KEY_TUNER, // Air/Cable
+ [ 17 ] = KEY_VIDEO, // Video
+ [ 21 ] = KEY_AUDIO, // Audio
+ [ 0 ] = KEY_POWER, // Pover
+ [ 2 ] = KEY_ZOOM, // Fullscreen
+ [ 27 ] = KEY_MUTE, // Mute
+ [ 20 ] = KEY_VOLUMEUP,
+ [ 23 ] = KEY_VOLUMEDOWN,
+ [ 18 ] = KEY_CHANNELUP, // Channel +
+ [ 19 ] = KEY_CHANNELDOWN, // Channel -
+ [ 6 ] = KEY_AGAIN, // Recal
+ [ 16 ] = KEY_KPENTER, // Enter
+
+#if 1 /* FIXME */
+ [ 26 ] = KEY_F22, // Stereo
+ [ 24 ] = KEY_EDIT, // AV Source
+#endif
+};
+
+static IR_KEYTAB_TYPE cinergy_codes[IR_KEYTAB_SIZE] = {
+ [ 0 ] = KEY_KP0,
+ [ 1 ] = KEY_KP1,
+ [ 2 ] = KEY_KP2,
+ [ 3 ] = KEY_KP3,
+ [ 4 ] = KEY_KP4,
+ [ 5 ] = KEY_KP5,
+ [ 6 ] = KEY_KP6,
+ [ 7 ] = KEY_KP7,
+ [ 8 ] = KEY_KP8,
+ [ 9 ] = KEY_KP9,
+
+ [ 0x0a ] = KEY_POWER,
+ [ 0x0b ] = KEY_PROG1, // app
+ [ 0x0c ] = KEY_ZOOM, // zoom/fullscreen
+ [ 0x0d ] = KEY_CHANNELUP, // channel
+ [ 0x0e ] = KEY_CHANNELDOWN, // channel-
+ [ 0x0f ] = KEY_VOLUMEUP,
+ [ 0x10 ] = KEY_VOLUMEDOWN,
+ [ 0x11 ] = KEY_TUNER, // AV
+ [ 0x12 ] = KEY_NUMLOCK, // -/--
+ [ 0x13 ] = KEY_AUDIO, // audio
+ [ 0x14 ] = KEY_MUTE,
+ [ 0x15 ] = KEY_UP,
+ [ 0x16 ] = KEY_DOWN,
+ [ 0x17 ] = KEY_LEFT,
+ [ 0x18 ] = KEY_RIGHT,
+ [ 0x19 ] = BTN_LEFT,
+ [ 0x1a ] = BTN_RIGHT,
+ [ 0x1b ] = KEY_WWW, // text
+ [ 0x1c ] = KEY_REWIND,
+ [ 0x1d ] = KEY_FORWARD,
+ [ 0x1e ] = KEY_RECORD,
+ [ 0x1f ] = KEY_PLAY,
+ [ 0x20 ] = KEY_PREVIOUSSONG,
+ [ 0x21 ] = KEY_NEXTSONG,
+ [ 0x22 ] = KEY_PAUSE,
+ [ 0x23 ] = KEY_STOP,
+};
+
+/* Alfons Geser <a.geser@cox.net>
+ * updates from Job D. R. Borges <jobdrb@ig.com.br> */
+static IR_KEYTAB_TYPE eztv_codes[IR_KEYTAB_SIZE] = {
+ [ 18 ] = KEY_POWER,
+ [ 1 ] = KEY_TV, // DVR
+ [ 21 ] = KEY_DVD, // DVD
+ [ 23 ] = KEY_AUDIO, // music
+ // DVR mode / DVD mode / music mode
+
+ [ 27 ] = KEY_MUTE, // mute
+ [ 2 ] = KEY_LANGUAGE, // MTS/SAP / audio / autoseek
+ [ 30 ] = KEY_SUBTITLE, // closed captioning / subtitle / seek
+ [ 22 ] = KEY_ZOOM, // full screen
+ [ 28 ] = KEY_VIDEO, // video source / eject / delall
+ [ 29 ] = KEY_RESTART, // playback / angle / del
+ [ 47 ] = KEY_SEARCH, // scan / menu / playlist
+ [ 48 ] = KEY_CHANNEL, // CH surfing / bookmark / memo
+
+ [ 49 ] = KEY_HELP, // help
+ [ 50 ] = KEY_MODE, // num/memo
+ [ 51 ] = KEY_ESC, // cancel
+
+ [ 12 ] = KEY_UP, // up
+ [ 16 ] = KEY_DOWN, // down
+ [ 8 ] = KEY_LEFT, // left
+ [ 4 ] = KEY_RIGHT, // right
+ [ 3 ] = KEY_SELECT, // select
+
+ [ 31 ] = KEY_REWIND, // rewind
+ [ 32 ] = KEY_PLAYPAUSE, // play/pause
+ [ 41 ] = KEY_FORWARD, // forward
+ [ 20 ] = KEY_AGAIN, // repeat
+ [ 43 ] = KEY_RECORD, // recording
+ [ 44 ] = KEY_STOP, // stop
+ [ 45 ] = KEY_PLAY, // play
+ [ 46 ] = KEY_SHUFFLE, // snapshot / shuffle
+
+ [ 0 ] = KEY_KP0,
+ [ 5 ] = KEY_KP1,
+ [ 6 ] = KEY_KP2,
+ [ 7 ] = KEY_KP3,
+ [ 9 ] = KEY_KP4,
+ [ 10 ] = KEY_KP5,
+ [ 11 ] = KEY_KP6,
+ [ 13 ] = KEY_KP7,
+ [ 14 ] = KEY_KP8,
+ [ 15 ] = KEY_KP9,
+
+ [ 42 ] = KEY_VOLUMEUP,
+ [ 17 ] = KEY_VOLUMEDOWN,
+ [ 24 ] = KEY_CHANNELUP, // CH.tracking up
+ [ 25 ] = KEY_CHANNELDOWN, // CH.tracking down
+
+ [ 19 ] = KEY_KPENTER, // enter
+ [ 33 ] = KEY_KPDOT, // . (decimal dot)
+};
+
+static IR_KEYTAB_TYPE avacssmart_codes[IR_KEYTAB_SIZE] = {
+ [ 30 ] = KEY_POWER, // power
+ [ 28 ] = KEY_SEARCH, // scan
+ [ 7 ] = KEY_SELECT, // source
+
+ [ 22 ] = KEY_VOLUMEUP,
+ [ 20 ] = KEY_VOLUMEDOWN,
+ [ 31 ] = KEY_CHANNELUP,
+ [ 23 ] = KEY_CHANNELDOWN,
+ [ 24 ] = KEY_MUTE,
+
+ [ 2 ] = KEY_KP0,
+ [ 1 ] = KEY_KP1,
+ [ 11 ] = KEY_KP2,
+ [ 27 ] = KEY_KP3,
+ [ 5 ] = KEY_KP4,
+ [ 9 ] = KEY_KP5,
+ [ 21 ] = KEY_KP6,
+ [ 6 ] = KEY_KP7,
+ [ 10 ] = KEY_KP8,
+ [ 18 ] = KEY_KP9,
+ [ 16 ] = KEY_KPDOT,
+
+ [ 3 ] = KEY_TUNER, // tv/fm
+ [ 4 ] = KEY_REWIND, // fm tuning left or function left
+ [ 12 ] = KEY_FORWARD, // fm tuning right or function right
+
+ [ 0 ] = KEY_RECORD,
+ [ 8 ] = KEY_STOP,
+ [ 17 ] = KEY_PLAY,
+
+ [ 25 ] = KEY_ZOOM,
+ [ 14 ] = KEY_MENU, // function
+ [ 19 ] = KEY_AGAIN, // recall
+ [ 29 ] = KEY_RESTART, // reset
+
+// FIXME
+ [ 13 ] = KEY_F21, // mts
+ [ 15 ] = KEY_F22, // min
+ [ 26 ] = KEY_F23, // freeze
+};
+
+/* Alex Hermann <gaaf@gmx.net> */
+static IR_KEYTAB_TYPE md2819_codes[IR_KEYTAB_SIZE] = {
+ [ 40 ] = KEY_KP1,
+ [ 24 ] = KEY_KP2,
+ [ 56 ] = KEY_KP3,
+ [ 36 ] = KEY_KP4,
+ [ 20 ] = KEY_KP5,
+ [ 52 ] = KEY_KP6,
+ [ 44 ] = KEY_KP7,
+ [ 28 ] = KEY_KP8,
+ [ 60 ] = KEY_KP9,
+ [ 34 ] = KEY_KP0,
+
+ [ 32 ] = KEY_TV, // TV/FM
+ [ 16 ] = KEY_CD, // CD
+ [ 48 ] = KEY_TEXT, // TELETEXT
+ [ 0 ] = KEY_POWER, // POWER
+
+ [ 8 ] = KEY_VIDEO, // VIDEO
+ [ 4 ] = KEY_AUDIO, // AUDIO
+ [ 12 ] = KEY_ZOOM, // FULL SCREEN
+
+ [ 18 ] = KEY_SUBTITLE, // DISPLAY - ???
+ [ 50 ] = KEY_REWIND, // LOOP - ???
+ [ 2 ] = KEY_PRINT, // PREVIEW - ???
+
+ [ 42 ] = KEY_SEARCH, // AUTOSCAN
+ [ 26 ] = KEY_SLEEP, // FREEZE - ???
+ [ 58 ] = KEY_SHUFFLE, // SNAPSHOT - ???
+ [ 10 ] = KEY_MUTE, // MUTE
+
+ [ 38 ] = KEY_RECORD, // RECORD
+ [ 22 ] = KEY_PAUSE, // PAUSE
+ [ 54 ] = KEY_STOP, // STOP
+ [ 6 ] = KEY_PLAY, // PLAY
+
+ [ 46 ] = KEY_RED, // <RED>
+ [ 33 ] = KEY_GREEN, // <GREEN>
+ [ 14 ] = KEY_YELLOW, // <YELLOW>
+ [ 1 ] = KEY_BLUE, // <BLUE>
+
+ [ 30 ] = KEY_VOLUMEDOWN, // VOLUME-
+ [ 62 ] = KEY_VOLUMEUP, // VOLUME+
+ [ 17 ] = KEY_CHANNELDOWN, // CHANNEL/PAGE-
+ [ 49 ] = KEY_CHANNELUP // CHANNEL/PAGE+
+};
+
+static IR_KEYTAB_TYPE videomate_tv_pvr_codes[IR_KEYTAB_SIZE] = {
+ [ 20 ] = KEY_MUTE,
+ [ 36 ] = KEY_ZOOM,
+
+ [ 1 ] = KEY_DVD,
+ [ 35 ] = KEY_RADIO,
+ [ 0 ] = KEY_TV,
+
+ [ 10 ] = KEY_REWIND,
+ [ 8 ] = KEY_PLAYPAUSE,
+ [ 15 ] = KEY_FORWARD,
+
+ [ 2 ] = KEY_PREVIOUS,
+ [ 7 ] = KEY_STOP,
+ [ 6 ] = KEY_NEXT,
+
+ [ 12 ] = KEY_UP,
+ [ 14 ] = KEY_DOWN,
+ [ 11 ] = KEY_LEFT,
+ [ 13 ] = KEY_RIGHT,
+ [ 17 ] = KEY_OK,
+
+ [ 3 ] = KEY_MENU,
+ [ 9 ] = KEY_SETUP,
+ [ 5 ] = KEY_VIDEO,
+ [ 34 ] = KEY_CHANNEL,
+
+ [ 18 ] = KEY_VOLUMEUP,
+ [ 21 ] = KEY_VOLUMEDOWN,
+ [ 16 ] = KEY_CHANNELUP,
+ [ 19 ] = KEY_CHANNELDOWN,
+
+ [ 4 ] = KEY_RECORD,
+
+ [ 22 ] = KEY_KP1,
+ [ 23 ] = KEY_KP2,
+ [ 24 ] = KEY_KP3,
+ [ 25 ] = KEY_KP4,
+ [ 26 ] = KEY_KP5,
+ [ 27 ] = KEY_KP6,
+ [ 28 ] = KEY_KP7,
+ [ 29 ] = KEY_KP8,
+ [ 30 ] = KEY_KP9,
+ [ 31 ] = KEY_KP0,
+
+ [ 32 ] = KEY_LANGUAGE,
+ [ 33 ] = KEY_SLEEP,
+};
+/* ---------------------------------------------------------------------- */
+
+static int build_key(struct saa7134_dev *dev)
+{
+ struct saa7134_ir *ir = dev->remote;
+ u32 gpio, data;
+
+ /* rising SAA7134_GPIO_GPRESCAN reads the status */
+ saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
+ saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
+
+ gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
+ if (ir->polling) {
+ if (ir->last_gpio == gpio)
+ return 0;
+ ir->last_gpio = gpio;
+ }
+
+ data = ir_extract_bits(gpio, ir->mask_keycode);
+ dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
+ gpio, ir->mask_keycode, data);
+
+ if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
+ (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
+ ir_input_keydown(&ir->dev,&ir->ir,data,data);
+ } else {
+ ir_input_nokey(&ir->dev,&ir->ir);
+ }
+ return 0;
+}
+
+/* ---------------------------------------------------------------------- */
+
+void saa7134_input_irq(struct saa7134_dev *dev)
+{
+ struct saa7134_ir *ir = dev->remote;
+
+ if (!ir->polling)
+ build_key(dev);
+}
+
+static void saa7134_input_timer(unsigned long data)
+{
+ struct saa7134_dev *dev = (struct saa7134_dev*)data;
+ struct saa7134_ir *ir = dev->remote;
+ unsigned long timeout;
+
+ build_key(dev);
+ timeout = jiffies + (ir->polling * HZ / 1000);
+ mod_timer(&ir->timer, timeout);
+}
+
+int saa7134_input_init1(struct saa7134_dev *dev)
+{
+ struct saa7134_ir *ir;
+ IR_KEYTAB_TYPE *ir_codes = NULL;
+ u32 mask_keycode = 0;
+ u32 mask_keydown = 0;
+ u32 mask_keyup = 0;
+ int polling = 0;
+ int ir_type = IR_TYPE_OTHER;
+
+ if (!dev->has_remote)
+ return -ENODEV;
+ if (disable_ir)
+ return -ENODEV;
+
+ /* detect & configure */
+ switch (dev->board) {
+ case SAA7134_BOARD_FLYVIDEO2000:
+ case SAA7134_BOARD_FLYVIDEO3000:
+ ir_codes = flyvideo_codes;
+ mask_keycode = 0xEC00000;
+ mask_keydown = 0x0040000;
+ break;
+ case SAA7134_BOARD_CINERGY400:
+ case SAA7134_BOARD_CINERGY600:
+ case SAA7134_BOARD_CINERGY600_MK3:
+ ir_codes = cinergy_codes;
+ mask_keycode = 0x00003f;
+ mask_keyup = 0x040000;
+ break;
+ case SAA7134_BOARD_ECS_TVP3XP:
+ case SAA7134_BOARD_ECS_TVP3XP_4CB5:
+ ir_codes = eztv_codes;
+ mask_keycode = 0x00017c;
+ mask_keyup = 0x000002;
+ polling = 50; // ms
+ break;
+ case SAA7134_BOARD_AVACSSMARTTV:
+ ir_codes = avacssmart_codes;
+ mask_keycode = 0x00001F;
+ mask_keyup = 0x000020;
+ polling = 50; // ms
+ break;
+ case SAA7134_BOARD_MD2819:
+ case SAA7134_BOARD_AVERMEDIA_305:
+ case SAA7134_BOARD_AVERMEDIA_307:
+ ir_codes = md2819_codes;
+ mask_keycode = 0x0007C8;
+ mask_keydown = 0x000010;
+ polling = 50; // ms
+ /* Set GPIO pin2 to high to enable the IR controller */
+ saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
+ saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
+ break;
+ case SAA7134_BOARD_VIDEOMATE_TV_PVR:
+ ir_codes = videomate_tv_pvr_codes;
+ mask_keycode = 0x00003F;
+ mask_keyup = 0x400000;
+ polling = 50; // ms
+ break;
+ }
+ if (NULL == ir_codes) {
+ printk("%s: Oops: IR config error [card=%d]\n",
+ dev->name, dev->board);
+ return -ENODEV;
+ }
+
+ ir = kmalloc(sizeof(*ir),GFP_KERNEL);
+ if (NULL == ir)
+ return -ENOMEM;
+ memset(ir,0,sizeof(*ir));
+
+ /* init hardware-specific stuff */
+ ir->mask_keycode = mask_keycode;
+ ir->mask_keydown = mask_keydown;
+ ir->mask_keyup = mask_keyup;
+ ir->polling = polling;
+
+ /* init input device */
+ snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
+ saa7134_boards[dev->board].name);
+ snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
+ pci_name(dev->pci));
+
+ ir_input_init(&ir->dev, &ir->ir, ir_type, ir_codes);
+ ir->dev.name = ir->name;
+ ir->dev.phys = ir->phys;
+ ir->dev.id.bustype = BUS_PCI;
+ ir->dev.id.version = 1;
+ if (dev->pci->subsystem_vendor) {
+ ir->dev.id.vendor = dev->pci->subsystem_vendor;
+ ir->dev.id.product = dev->pci->subsystem_device;
+ } else {
+ ir->dev.id.vendor = dev->pci->vendor;
+ ir->dev.id.product = dev->pci->device;
+ }
+
+ /* all done */
+ dev->remote = ir;
+ if (ir->polling) {
+ init_timer(&ir->timer);
+ ir->timer.function = saa7134_input_timer;
+ ir->timer.data = (unsigned long)dev;
+ ir->timer.expires = jiffies + HZ;
+ add_timer(&ir->timer);
+ }
+
+ input_register_device(&dev->remote->dev);
+ printk("%s: registered input device for IR\n",dev->name);
+ return 0;
+}
+
+void saa7134_input_fini(struct saa7134_dev *dev)
+{
+ if (NULL == dev->remote)
+ return;
+
+ input_unregister_device(&dev->remote->dev);
+ if (dev->remote->polling)
+ del_timer_sync(&dev->remote->timer);
+ kfree(dev->remote);
+ dev->remote = NULL;
+}
+
+/* ----------------------------------------------------------------------
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.