1 files changed, 444 insertions, 0 deletions

diff --git a/drivers/media/video/ir-kbd-gpio.c b/drivers/media/video/ir-kbd-gpio.c
new file mode 100644
index 000000000000..ab6620de4b3b
--- /dev/null
+++ b/drivers/media/video/ir-kbd-gpio.c
@@ -0,0 +1,444 @@
+/*
+ * $Id: ir-kbd-gpio.c,v 1.12 2005/02/22 12:28:40 kraxel Exp $
+ *
+ * Copyright (c) 2003 Gerd Knorr
+ * Copyright (c) 2003 Pavel Machek
+ *
+ * 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/interrupt.h>
+#include <linux/input.h>
+#include <linux/pci.h>
+
+#include <media/ir-common.h>
+
+#include "bttv.h"
+
+/* ---------------------------------------------------------------------- */
+
+static IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE] = {
+        [ 34 ] = KEY_KP0,
+        [ 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,
+
+        [ 48 ] = KEY_EJECTCD,     // Unmarked on my controller
+        [  0 ] = KEY_POWER,
+        [ 18 ] = BTN_LEFT,        // DISPLAY/L
+        [ 50 ] = BTN_RIGHT,       // LOOP/R
+        [ 10 ] = KEY_MUTE,
+        [ 38 ] = KEY_RECORD,
+        [ 22 ] = KEY_PAUSE,
+        [ 54 ] = KEY_STOP,
+        [ 30 ] = KEY_VOLUMEDOWN,
+        [ 62 ] = KEY_VOLUMEUP,
+
+        [ 32 ] = KEY_TUNER,       // TV/FM
+        [ 16 ] = KEY_CD,
+        [  8 ] = KEY_VIDEO,
+        [  4 ] = KEY_AUDIO,
+        [ 12 ] = KEY_ZOOM,        // full screen
+        [  2 ] = KEY_INFO,        // preview
+        [ 42 ] = KEY_SEARCH,      // autoscan
+        [ 26 ] = KEY_STOP,        // freeze
+        [ 58 ] = KEY_RECORD,      // capture
+        [  6 ] = KEY_PLAY,        // unmarked
+        [ 46 ] = KEY_RED,         // unmarked
+        [ 14 ] = KEY_GREEN,       // unmarked
+
+        [ 33 ] = KEY_YELLOW,      // unmarked
+        [ 17 ] = KEY_CHANNELDOWN,
+        [ 49 ] = KEY_CHANNELUP,
+        [  1 ] = KEY_BLUE,        // unmarked
+};
+
+/* Matt Jesson <dvb@jesson.eclipse.co.uk */
+static IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE] = {
+        [ 0x28 ] = KEY_KP0,         //'0' / 'enter'
+        [ 0x22 ] = KEY_KP1,         //'1'
+        [ 0x12 ] = KEY_KP2,         //'2' / 'up arrow'
+        [ 0x32 ] = KEY_KP3,         //'3'
+        [ 0x24 ] = KEY_KP4,         //'4' / 'left arrow'
+        [ 0x14 ] = KEY_KP5,         //'5'
+        [ 0x34 ] = KEY_KP6,         //'6' / 'right arrow'
+        [ 0x26 ] = KEY_KP7,         //'7'
+        [ 0x16 ] = KEY_KP8,         //'8' / 'down arrow'
+        [ 0x36 ] = KEY_KP9,         //'9'
+
+        [ 0x20 ] = KEY_LIST,        // 'source'
+        [ 0x10 ] = KEY_TEXT,        // 'teletext'
+        [ 0x00 ] = KEY_POWER,       // 'power'
+        [ 0x04 ] = KEY_AUDIO,       // 'audio'
+        [ 0x06 ] = KEY_ZOOM,        // 'full screen'
+        [ 0x18 ] = KEY_VIDEO,       // 'display'
+        [ 0x38 ] = KEY_SEARCH,      // 'loop'
+        [ 0x08 ] = KEY_INFO,        // 'preview'
+        [ 0x2a ] = KEY_REWIND,      // 'backward <<'
+        [ 0x1a ] = KEY_FASTFORWARD, // 'forward >>'
+        [ 0x3a ] = KEY_RECORD,      // 'capture'
+        [ 0x0a ] = KEY_MUTE,        // 'mute'
+        [ 0x2c ] = KEY_RECORD,      // 'record'
+        [ 0x1c ] = KEY_PAUSE,       // 'pause'
+        [ 0x3c ] = KEY_STOP,        // 'stop'
+        [ 0x0c ] = KEY_PLAY,        // 'play'
+        [ 0x2e ] = KEY_RED,         // 'red'
+        [ 0x01 ] = KEY_BLUE,        // 'blue' / 'cancel'
+        [ 0x0e ] = KEY_YELLOW,      // 'yellow' / 'ok'
+        [ 0x21 ] = KEY_GREEN,       // 'green'
+        [ 0x11 ] = KEY_CHANNELDOWN, // 'channel -'
+        [ 0x31 ] = KEY_CHANNELUP,   // 'channel +'
+        [ 0x1e ] = KEY_VOLUMEDOWN,  // 'volume -'
+        [ 0x3e ] = KEY_VOLUMEUP,    // 'volume +'
+};
+
+static IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE] = {
+        [  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,
+
+        [  3 ] = KEY_TUNER,       // TV/FM
+        [  7 ] = KEY_SEARCH,      // scan
+        [ 28 ] = KEY_ZOOM,        // full screen
+        [ 30 ] = KEY_POWER,
+        [ 23 ] = KEY_VOLUMEDOWN,
+        [ 31 ] = KEY_VOLUMEUP,
+        [ 20 ] = KEY_CHANNELDOWN,
+        [ 22 ] = KEY_CHANNELUP,
+        [ 24 ] = KEY_MUTE,
+
+        [  0 ] = KEY_LIST,        // source
+        [ 19 ] = KEY_INFO,        // loop
+        [ 16 ] = KEY_LAST,        // +100
+        [ 13 ] = KEY_CLEAR,       // reset
+        [ 12 ] = BTN_RIGHT,       // fun++
+        [  4 ] = BTN_LEFT,        // fun--
+        [ 14 ] = KEY_GOTO,        // function
+        [ 15 ] = KEY_STOP,         // freeze
+};
+
+/* Attila Kondoros <attila.kondoros@chello.hu> */
+static IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE] = {
+
+        [  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,
+        [  0 ] = KEY_KP0,
+        [ 23 ] = KEY_LAST,        // +100
+        [ 10 ] = KEY_LIST,        // recall
+
+
+        [ 28 ] = KEY_TUNER,       // TV/FM
+        [ 21 ] = KEY_SEARCH,      // scan
+        [ 18 ] = KEY_POWER,       // power
+        [ 31 ] = KEY_VOLUMEDOWN,  // vol up
+        [ 27 ] = KEY_VOLUMEUP,    // vol down
+        [ 30 ] = KEY_CHANNELDOWN, // chn up
+        [ 26 ] = KEY_CHANNELUP,   // chn down
+
+        [ 17 ] = KEY_VIDEO,       // video
+        [ 15 ] = KEY_ZOOM,        // full screen
+        [ 19 ] = KEY_MUTE,        // mute/unmute
+        [ 16 ] = KEY_TEXT,        // min
+
+        [ 13 ] = KEY_STOP,        // freeze
+        [ 14 ] = KEY_RECORD,      // record
+        [ 29 ] = KEY_PLAYPAUSE,   // stop
+        [ 25 ] = KEY_PLAY,        // play
+
+        [ 22 ] = KEY_GOTO,        // osd
+        [ 20 ] = KEY_REFRESH,     // default
+        [ 12 ] = KEY_KPPLUS,      // fine tune >>>>
+        [ 24 ] = KEY_KPMINUS      // fine tune <<<<
+};
+
+/* ---------------------------------------------------------------------- */
+
+struct IR {
+        struct bttv_sub_device  *sub;
+        struct input_dev        input;
+        struct ir_input_state   ir;
+        char                    name[32];
+        char                    phys[32];
+        u32                     mask_keycode;
+        u32                     mask_keydown;
+        u32                     mask_keyup;
+
+        int                     polling;
+        u32                     last_gpio;
+        struct work_struct      work;
+        struct timer_list       timer;
+};
+
+static int debug;
+module_param(debug, int, 0644);    /* debug level (0,1,2) */
+
+#define DEVNAME "ir-kbd-gpio"
+#define dprintk(fmt, arg...)    if (debug) \
+        printk(KERN_DEBUG DEVNAME ": " fmt , ## arg)
+
+static void ir_irq(struct bttv_sub_device *sub);
+static int ir_probe(struct device *dev);
+static int ir_remove(struct device *dev);
+
+static struct bttv_sub_driver driver = {
+        .drv = {
+                .name   = DEVNAME,
+                .probe  = ir_probe,
+                .remove = ir_remove,
+        },
+        .gpio_irq       = ir_irq,
+};
+
+/* ---------------------------------------------------------------------- */
+
+static void ir_handle_key(struct IR *ir)
+{
+        u32 gpio,data;
+
+        /* read gpio value */
+        gpio = bttv_gpio_read(ir->sub->core);
+        if (ir->polling) {
+                if (ir->last_gpio == gpio)
+                        return;
+                ir->last_gpio = gpio;
+        }
+
+        /* extract data */
+        data = ir_extract_bits(gpio, ir->mask_keycode);
+        dprintk(DEVNAME ": irq gpio=0x%x code=%d | %s%s%s\n",
+                gpio, data,
+                ir->polling               ? "poll"  : "irq",
+                (gpio & ir->mask_keydown) ? " down" : "",
+                (gpio & ir->mask_keyup)   ? " up"   : "");
+
+        if (ir->mask_keydown) {
+                /* bit set on keydown */
+                if (gpio & ir->mask_keydown) {
+                        ir_input_keydown(&ir->input,&ir->ir,data,data);
+                } else {
+                        ir_input_nokey(&ir->input,&ir->ir);
+                }
+
+        } else if (ir->mask_keyup) {
+                /* bit cleared on keydown */
+                if (0 == (gpio & ir->mask_keyup)) {
+                        ir_input_keydown(&ir->input,&ir->ir,data,data);
+                } else {
+                        ir_input_nokey(&ir->input,&ir->ir);
+                }
+
+        } else {
+                /* can't disturgissh keydown/up :-/ */
+                ir_input_keydown(&ir->input,&ir->ir,data,data);
+                ir_input_nokey(&ir->input,&ir->ir);
+        }
+}
+
+static void ir_irq(struct bttv_sub_device *sub)
+{
+        struct IR *ir = dev_get_drvdata(&sub->dev);
+
+        if (!ir->polling)
+                ir_handle_key(ir);
+}
+
+static void ir_timer(unsigned long data)
+{
+        struct IR *ir = (struct IR*)data;
+
+        schedule_work(&ir->work);
+}
+
+static void ir_work(void *data)
+{
+        struct IR *ir = data;
+        unsigned long timeout;
+
+        ir_handle_key(ir);
+        timeout = jiffies + (ir->polling * HZ / 1000);
+        mod_timer(&ir->timer, timeout);
+}
+
+/* ---------------------------------------------------------------------- */
+
+static int ir_probe(struct device *dev)
+{
+        struct bttv_sub_device *sub = to_bttv_sub_dev(dev);
+        struct IR *ir;
+        IR_KEYTAB_TYPE *ir_codes = NULL;
+        int ir_type = IR_TYPE_OTHER;
+
+        ir = kmalloc(sizeof(*ir),GFP_KERNEL);
+        if (NULL == ir)
+                return -ENOMEM;
+        memset(ir,0,sizeof(*ir));
+
+        /* detect & configure */
+        switch (sub->core->type) {
+        case BTTV_AVERMEDIA:
+        case BTTV_AVPHONE98:
+        case BTTV_AVERMEDIA98:
+                ir_codes         = ir_codes_avermedia;
+                ir->mask_keycode = 0xf88000;
+                ir->mask_keydown = 0x010000;
+                ir->polling      = 50; // ms
+                break;
+
+        case BTTV_AVDVBT_761:
+        case BTTV_AVDVBT_771:
+                ir_codes         = ir_codes_avermedia_dvbt;
+                ir->mask_keycode = 0x0f00c0;
+                ir->mask_keydown = 0x000020;
+                ir->polling      = 50; // ms
+                break;
+
+        case BTTV_PXELVWPLTVPAK:
+                ir_codes         = ir_codes_pixelview;
+                ir->mask_keycode = 0x003e00;
+                ir->mask_keyup   = 0x010000;
+                ir->polling      = 50; // ms
+                break;
+        case BTTV_PV_BT878P_9B:
+        case BTTV_PV_BT878P_PLUS:
+                ir_codes         = ir_codes_pixelview;
+                ir->mask_keycode = 0x001f00;
+                ir->mask_keyup   = 0x008000;
+                ir->polling      = 50; // ms
+                break;
+
+        case BTTV_WINFAST2000:
+                ir_codes         = ir_codes_winfast;
+                ir->mask_keycode = 0x1f8;
+                break;
+        case BTTV_MAGICTVIEW061:
+        case BTTV_MAGICTVIEW063:
+                ir_codes         = ir_codes_winfast;
+                ir->mask_keycode = 0x0008e000;
+                ir->mask_keydown = 0x00200000;
+                break;
+        case BTTV_APAC_VIEWCOMP:
+                ir_codes         = ir_codes_apac_viewcomp;
+                ir->mask_keycode = 0x001f00;
+                ir->mask_keyup   = 0x008000;
+                ir->polling      = 50; // ms
+                break;
+        }
+        if (NULL == ir_codes) {
+                kfree(ir);
+                return -ENODEV;
+        }
+
+        /* init hardware-specific stuff */
+        bttv_gpio_inout(sub->core, ir->mask_keycode | ir->mask_keydown, 0);
+        ir->sub = sub;
+
+        /* init input device */
+        snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
+                 sub->core->type);
+        snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
+                 pci_name(sub->core->pci));
+
+        ir_input_init(&ir->input, &ir->ir, ir_type, ir_codes);
+        ir->input.name = ir->name;
+        ir->input.phys = ir->phys;
+        ir->input.id.bustype = BUS_PCI;
+        ir->input.id.version = 1;
+        if (sub->core->pci->subsystem_vendor) {
+                ir->input.id.vendor  = sub->core->pci->subsystem_vendor;
+                ir->input.id.product = sub->core->pci->subsystem_device;
+        } else {
+                ir->input.id.vendor  = sub->core->pci->vendor;
+                ir->input.id.product = sub->core->pci->device;
+        }
+
+        if (ir->polling) {
+                INIT_WORK(&ir->work, ir_work, ir);
+                init_timer(&ir->timer);
+                ir->timer.function = ir_timer;
+                ir->timer.data     = (unsigned long)ir;
+                schedule_work(&ir->work);
+        }
+
+        /* all done */
+        dev_set_drvdata(dev,ir);
+        input_register_device(&ir->input);
+        printk(DEVNAME ": %s detected at %s\n",ir->input.name,ir->input.phys);
+
+        return 0;
+}
+
+static int ir_remove(struct device *dev)
+{
+        struct IR *ir = dev_get_drvdata(dev);
+
+        if (ir->polling) {
+                del_timer(&ir->timer);
+                flush_scheduled_work();
+        }
+
+        input_unregister_device(&ir->input);
+        kfree(ir);
+        return 0;
+}
+
+/* ---------------------------------------------------------------------- */
+
+MODULE_AUTHOR("Gerd Knorr, Pavel Machek");
+MODULE_DESCRIPTION("input driver for bt8x8 gpio IR remote controls");
+MODULE_LICENSE("GPL");
+
+static int ir_init(void)
+{
+        return bttv_sub_register(&driver, "remote");
+}
+
+static void ir_fini(void)
+{
+        bttv_sub_unregister(&driver);
+}
+
+module_init(ir_init);
+module_exit(ir_fini);
+
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */