* Ulrich Mueller <ulrich.mueller42@web.de>
* modified for em2820 based USB TV tuners by
* Markus Rechberger <mrechberger@gmail.com>
+ * modified for DViCO Fusion HDTV 5 RT GOLD by
+ * Chaogui Zhang <czhang1974@gmail.com>
+ * modified for MSI TV@nywhere Plus by
+ * Henry Wong <henry@stuffedcow.net>
+ * Mark Schultz <n9xmj@yahoo.com>
+ * Brian Rogers <brian_rogers@comcast.net>
+ * modified for AVerMedia Cardbus by
+ * Oldrich Jedlicka <oldium.pro@seznam.cz>
*
* 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
*/
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/i2c.h>
+#include <linux/i2c-id.h>
#include <linux/workqueue.h>
-#include <asm/semaphore.h>
-#include <media/ir-common.h>
-
-static IR_KEYTAB_TYPE ir_codes_em2820[IR_KEYTAB_SIZE] = {
- [ 0x01 ] = KEY_CHANNEL,
- [ 0x02 ] = KEY_SELECT,
- [ 0x03 ] = KEY_MUTE,
- [ 0x04 ] = KEY_POWER,
- [ 0x05 ] = KEY_KP1,
- [ 0x06 ] = KEY_KP2,
- [ 0x07 ] = KEY_KP3,
- [ 0x08 ] = KEY_CHANNELUP,
- [ 0x09 ] = KEY_KP4,
- [ 0x0a ] = KEY_KP5,
- [ 0x0b ] = KEY_KP6,
- [ 0x0c ] = KEY_CHANNELDOWN,
- [ 0x0d ] = KEY_KP7,
- [ 0x0e ] = KEY_KP8,
- [ 0x0f ] = KEY_KP9,
- [ 0x10 ] = KEY_VOLUMEUP,
- [ 0x11 ] = KEY_KP0,
- [ 0x12 ] = KEY_MENU,
- [ 0x13 ] = KEY_PRINT,
- [ 0x14 ] = KEY_VOLUMEDOWN,
- [ 0x16 ] = KEY_PAUSE,
- [ 0x18 ] = KEY_RECORD,
- [ 0x19 ] = KEY_REWIND,
- [ 0x1a ] = KEY_PLAY,
- [ 0x1b ] = KEY_FORWARD,
- [ 0x1c ] = KEY_BACKSPACE,
- [ 0x1e ] = KEY_STOP,
- [ 0x40 ] = KEY_ZOOM,
-};
-
-/* Mark Phalan <phalanm@o2.ie> */
-static IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE] = {
- [ 0x00 ] = KEY_KP0,
- [ 0x01 ] = KEY_KP1,
- [ 0x02 ] = KEY_KP2,
- [ 0x03 ] = KEY_KP3,
- [ 0x04 ] = KEY_KP4,
- [ 0x05 ] = KEY_KP5,
- [ 0x06 ] = KEY_KP6,
- [ 0x07 ] = KEY_KP7,
- [ 0x08 ] = KEY_KP8,
- [ 0x09 ] = KEY_KP9,
-
- [ 0x12 ] = KEY_POWER,
- [ 0x10 ] = KEY_MUTE,
- [ 0x1f ] = KEY_VOLUMEDOWN,
- [ 0x1b ] = KEY_VOLUMEUP,
- [ 0x1a ] = KEY_CHANNELUP,
- [ 0x1e ] = KEY_CHANNELDOWN,
- [ 0x0e ] = KEY_PAGEUP,
- [ 0x1d ] = KEY_PAGEDOWN,
- [ 0x13 ] = KEY_SOUND,
-
- [ 0x18 ] = KEY_KPPLUSMINUS, /* CH +/- */
- [ 0x16 ] = KEY_SUBTITLE, /* CC */
- [ 0x0d ] = KEY_TEXT, /* TTX */
- [ 0x0b ] = KEY_TV, /* AIR/CBL */
- [ 0x11 ] = KEY_PC, /* PC/TV */
- [ 0x17 ] = KEY_OK, /* CH RTN */
- [ 0x19 ] = KEY_MODE, /* FUNC */
- [ 0x0c ] = KEY_SEARCH, /* AUTOSCAN */
-
- /* Not sure what to do with these ones! */
- [ 0x0f ] = KEY_SELECT, /* SOURCE */
- [ 0x0a ] = KEY_KPPLUS, /* +100 */
- [ 0x14 ] = KEY_KPEQUAL, /* SYNC */
- [ 0x1c ] = KEY_MEDIA, /* PC/TV */
-};
-
-static IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE] = {
- [ 0x03 ] = KEY_POWER,
- [ 0x6f ] = KEY_MUTE,
- [ 0x10 ] = KEY_BACKSPACE, /* Recall */
-
- [ 0x11 ] = KEY_KP0,
- [ 0x04 ] = KEY_KP1,
- [ 0x05 ] = KEY_KP2,
- [ 0x06 ] = KEY_KP3,
- [ 0x08 ] = KEY_KP4,
- [ 0x09 ] = KEY_KP5,
- [ 0x0a ] = KEY_KP6,
- [ 0x0c ] = KEY_KP7,
- [ 0x0d ] = KEY_KP8,
- [ 0x0e ] = KEY_KP9,
- [ 0x12 ] = KEY_KPDOT, /* 100+ */
-
- [ 0x07 ] = KEY_VOLUMEUP,
- [ 0x0b ] = KEY_VOLUMEDOWN,
- [ 0x1a ] = KEY_KPPLUS,
- [ 0x18 ] = KEY_KPMINUS,
- [ 0x15 ] = KEY_UP,
- [ 0x1d ] = KEY_DOWN,
- [ 0x0f ] = KEY_CHANNELUP,
- [ 0x13 ] = KEY_CHANNELDOWN,
- [ 0x48 ] = KEY_ZOOM,
-
- [ 0x1b ] = KEY_VIDEO, /* Video source */
- [ 0x49 ] = KEY_LANGUAGE, /* MTS Select */
- [ 0x19 ] = KEY_SEARCH, /* Auto Scan */
-
- [ 0x4b ] = KEY_RECORD,
- [ 0x46 ] = KEY_PLAY,
- [ 0x45 ] = KEY_PAUSE, /* Pause */
- [ 0x44 ] = KEY_STOP,
- [ 0x40 ] = KEY_FORWARD, /* Forward ? */
- [ 0x42 ] = KEY_REWIND, /* Backward ? */
-
-};
-struct IR {
- struct i2c_client c;
- struct input_dev *input;
- struct ir_input_state ir;
-
- struct work_struct work;
- struct timer_list timer;
- char phys[32];
- int (*get_key)(struct IR*, u32*, u32*);
-};
+#include <media/ir-common.h>
+#include <media/ir-kbd-i2c.h>
/* ----------------------------------------------------------------------- */
/* insmod parameters */
static int debug;
module_param(debug, int, 0644); /* debug level (0,1,2) */
+static int hauppauge;
+module_param(hauppauge, int, 0644); /* Choose Hauppauge remote */
+MODULE_PARM_DESC(hauppauge, "Specify Hauppauge remote: 0=black, 1=grey (defaults to 0)");
+
+
#define DEVNAME "ir-kbd-i2c"
#define dprintk(level, fmt, arg...) if (debug >= level) \
printk(KERN_DEBUG DEVNAME ": " fmt , ## arg)
-#define IR_PINNACLE_REMOTE 0x01
-#define IR_TERRATEC_REMOTE 0x02
-
/* ----------------------------------------------------------------------- */
-static int get_key_haup(struct IR *ir, u32 *ir_key, u32 *ir_raw)
+static int get_key_haup_common(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
+ int size, int offset)
{
- unsigned char buf[3];
- int start, toggle, dev, code;
+ unsigned char buf[6];
+ int start, range, toggle, dev, code, ircode;
/* poll IR chip */
- if (3 != i2c_master_recv(&ir->c,buf,3))
+ if (size != i2c_master_recv(ir->c, buf, size))
return -EIO;
/* split rc5 data block ... */
- start = (buf[0] >> 6) & 3;
- toggle = (buf[0] >> 5) & 1;
- dev = buf[0] & 0x1f;
- code = (buf[1] >> 2) & 0x3f;
-
- if (3 != start)
+ start = (buf[offset] >> 7) & 1;
+ range = (buf[offset] >> 6) & 1;
+ toggle = (buf[offset] >> 5) & 1;
+ dev = buf[offset] & 0x1f;
+ code = (buf[offset+1] >> 2) & 0x3f;
+
+ /* rc5 has two start bits
+ * the first bit must be one
+ * the second bit defines the command range (1 = 0-63, 0 = 64 - 127)
+ */
+ if (!start)
/* no key pressed */
return 0;
- dprintk(1,"ir hauppauge (rc5): s%d t%d dev=%d code=%d\n",
- start, toggle, dev, code);
+ /*
+ * Hauppauge remotes (black/silver) always use
+ * specific device ids. If we do not filter the
+ * device ids then messages destined for devices
+ * such as TVs (id=0) will get through causing
+ * mis-fired events.
+ *
+ * We also filter out invalid key presses which
+ * produce annoying debug log entries.
+ */
+ ircode= (start << 12) | (toggle << 11) | (dev << 6) | code;
+ if ((ircode & 0x1fff)==0x1fff)
+ /* invalid key press */
+ return 0;
+
+ if (dev!=0x1e && dev!=0x1f)
+ /* not a hauppauge remote */
+ return 0;
+
+ if (!range)
+ code += 64;
+
+ dprintk(1,"ir hauppauge (rc5): s%d r%d t%d dev=%d code=%d\n",
+ start, range, toggle, dev, code);
/* return key */
*ir_key = code;
- *ir_raw = (start << 12) | (toggle << 11) | (dev << 6) | code;
+ *ir_raw = ircode;
return 1;
}
-static int get_key_pixelview(struct IR *ir, u32 *ir_key, u32 *ir_raw)
+static int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
- unsigned char b;
+ return get_key_haup_common (ir, ir_key, ir_raw, 3, 0);
+}
+
+static int get_key_haup_xvr(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ return get_key_haup_common (ir, ir_key, ir_raw, 6, 3);
+}
+
+static int get_key_pixelview(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ unsigned char b;
/* poll IR chip */
- if (1 != i2c_master_recv(&ir->c,&b,1)) {
+ if (1 != i2c_master_recv(ir->c, &b, 1)) {
dprintk(1,"read error\n");
return -EIO;
}
return 1;
}
-static int get_key_pv951(struct IR *ir, u32 *ir_key, u32 *ir_raw)
+static int get_key_pv951(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
- unsigned char b;
+ unsigned char b;
/* poll IR chip */
- if (1 != i2c_master_recv(&ir->c,&b,1)) {
+ if (1 != i2c_master_recv(ir->c, &b, 1)) {
dprintk(1,"read error\n");
return -EIO;
}
return 1;
}
-static int get_key_knc1(struct IR *ir, u32 *ir_key, u32 *ir_raw)
+static int get_key_fusionhdtv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ unsigned char buf[4];
+
+ /* poll IR chip */
+ if (4 != i2c_master_recv(ir->c, buf, 4)) {
+ dprintk(1,"read error\n");
+ return -EIO;
+ }
+
+ if(buf[0] !=0 || buf[1] !=0 || buf[2] !=0 || buf[3] != 0)
+ dprintk(2, "%s: 0x%2x 0x%2x 0x%2x 0x%2x\n", __func__,
+ buf[0], buf[1], buf[2], buf[3]);
+
+ /* no key pressed or signal from other ir remote */
+ if(buf[0] != 0x1 || buf[1] != 0xfe)
+ return 0;
+
+ *ir_key = buf[2];
+ *ir_raw = (buf[2] << 8) | buf[3];
+
+ return 1;
+}
+
+static int get_key_knc1(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
unsigned char b;
/* poll IR chip */
- if (1 != i2c_master_recv(&ir->c,&b,1)) {
+ if (1 != i2c_master_recv(ir->c, &b, 1)) {
dprintk(1,"read error\n");
return -EIO;
}
/* it seems that 0xFE indicates that a button is still hold
- down, while 0xFF indicates that no button is hold
- down. 0xFE sequences are sometimes interrupted by 0xFF */
+ down, while 0xff indicates that no button is hold
+ down. 0xfe sequences are sometimes interrupted by 0xFF */
dprintk(2,"key %02x\n", b);
- if (b == 0xFF)
+ if (b == 0xff)
return 0;
- if (b == 0xFE)
+ if (b == 0xfe)
/* keep old data */
return 1;
return 1;
}
-static int get_key_purpletv(struct IR *ir, u32 *ir_key, u32 *ir_raw)
+static int get_key_avermedia_cardbus(struct IR_i2c *ir,
+ u32 *ir_key, u32 *ir_raw)
{
- unsigned char b;
+ unsigned char subaddr, key, keygroup;
+ struct i2c_msg msg[] = { { .addr = ir->c->addr, .flags = 0,
+ .buf = &subaddr, .len = 1},
+ { .addr = ir->c->addr, .flags = I2C_M_RD,
+ .buf = &key, .len = 1} };
+ subaddr = 0x0d;
+ if (2 != i2c_transfer(ir->c->adapter, msg, 2)) {
+ dprintk(1, "read error\n");
+ return -EIO;
+ }
- /* poll IR chip */
- if (1 != i2c_master_recv(&ir->c,&b,1)) {
- dprintk(1,"read error\n");
+ if (key == 0xff)
+ return 0;
+
+ subaddr = 0x0b;
+ msg[1].buf = &keygroup;
+ if (2 != i2c_transfer(ir->c->adapter, msg, 2)) {
+ dprintk(1, "read error\n");
return -EIO;
}
- /* no button press */
- if (b==0)
+ if (keygroup == 0xff)
return 0;
- /* repeating */
- if (b & 0x80)
- return 1;
+ dprintk(1, "read key 0x%02x/0x%02x\n", key, keygroup);
+ if (keygroup < 2 || keygroup > 3) {
+ /* Only a warning */
+ dprintk(1, "warning: invalid key group 0x%02x for key 0x%02x\n",
+ keygroup, key);
+ }
+ key |= (keygroup & 1) << 6;
- *ir_key = b;
- *ir_raw = b;
+ *ir_key = key;
+ *ir_raw = key;
return 1;
}
/* ----------------------------------------------------------------------- */
-static void ir_key_poll(struct IR *ir)
+static void ir_key_poll(struct IR_i2c *ir)
{
static u32 ir_key, ir_raw;
int rc;
}
}
-static void ir_timer(unsigned long data)
+static void ir_work(struct work_struct *work)
{
- struct IR *ir = (struct IR*)data;
- schedule_work(&ir->work);
-}
+ struct IR_i2c *ir = container_of(work, struct IR_i2c, work.work);
+ int polling_interval = 100;
+
+ /* MSI TV@nywhere Plus requires more frequent polling
+ otherwise it will miss some keypresses */
+ if (ir->c->adapter->id == I2C_HW_SAA7134 && ir->c->addr == 0x30)
+ polling_interval = 50;
-static void ir_work(void *data)
-{
- struct IR *ir = data;
ir_key_poll(ir);
- mod_timer(&ir->timer, jiffies+HZ/10);
+ schedule_delayed_work(&ir->work, msecs_to_jiffies(polling_interval));
}
/* ----------------------------------------------------------------------- */
-static int ir_attach(struct i2c_adapter *adap, int addr,
- unsigned short flags, int kind);
-static int ir_detach(struct i2c_client *client);
-static int ir_probe(struct i2c_adapter *adap);
-
-static struct i2c_driver driver = {
- .name = "ir remote kbd driver",
- .id = I2C_DRIVERID_EXP3, /* FIXME */
- .flags = I2C_DF_NOTIFY,
- .attach_adapter = ir_probe,
- .detach_client = ir_detach,
-};
-
-static struct i2c_client client_template =
-{
- .name = "unset",
- .driver = &driver
-};
-
-static int ir_attach(struct i2c_adapter *adap, int addr,
- unsigned short flags, int kind)
+static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
IR_KEYTAB_TYPE *ir_codes = NULL;
- char *name;
+ const char *name = NULL;
int ir_type;
- struct IR *ir;
+ struct IR_i2c *ir;
struct input_dev *input_dev;
+ struct i2c_adapter *adap = client->adapter;
+ unsigned short addr = client->addr;
+ int err;
- ir = kzalloc(sizeof(struct IR), GFP_KERNEL);
+ ir = kzalloc(sizeof(struct IR_i2c),GFP_KERNEL);
input_dev = input_allocate_device();
if (!ir || !input_dev) {
- kfree(ir);
- input_free_device(input_dev);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto err_out_free;
}
- ir->c = client_template;
+ ir->c = client;
ir->input = input_dev;
-
- i2c_set_clientdata(&ir->c, ir);
- ir->c.adapter = adap;
- ir->c.addr = addr;
+ i2c_set_clientdata(client, ir);
switch(addr) {
case 0x64:
name = "Hauppauge";
ir->get_key = get_key_haup;
ir_type = IR_TYPE_RC5;
- ir_codes = ir_codes_rc5_tv;
+ if (hauppauge == 1) {
+ ir_codes = ir_codes_hauppauge_new;
+ } else {
+ ir_codes = ir_codes_rc5_tv;
+ }
break;
case 0x30:
- switch(kind){
- case IR_TERRATEC_REMOTE:
- name = "Terratec IR";
- ir->get_key = get_key_knc1;
- ir_type = IR_TYPE_OTHER;
- ir_codes = ir_codes_em2820;
- break;
- default:
- name = "KNC One";
- ir->get_key = get_key_knc1;
- ir_type = IR_TYPE_OTHER;
- ir_codes = ir_codes_empty;
- }
+ name = "KNC One";
+ ir->get_key = get_key_knc1;
+ ir_type = IR_TYPE_OTHER;
+ ir_codes = ir_codes_empty;
+ break;
+ case 0x6b:
+ name = "FusionHDTV";
+ ir->get_key = get_key_fusionhdtv;
+ ir_type = IR_TYPE_RC5;
+ ir_codes = ir_codes_fusionhdtv_mce;
break;
- case 0x47:
case 0x7a:
- switch(kind){
- case IR_PINNACLE_REMOTE:
- name = "Pinnacle IR Remote";
- ir->get_key = get_key_purpletv;
- ir_type = IR_TYPE_OTHER;
- ir_codes = ir_codes_em2820;
- break;
- default:
- name = "Purple TV";
- ir->get_key = get_key_purpletv;
+ case 0x47:
+ case 0x71:
+ case 0x2d:
+ if (adap->id == I2C_HW_B_CX2388x ||
+ adap->id == I2C_HW_B_CX2341X) {
+ /* Handled by cx88-input */
+ name = adap->id == I2C_HW_B_CX2341X ? "CX2341x remote"
+ : "CX2388x remote";
+ ir_type = IR_TYPE_RC5;
+ ir->get_key = get_key_haup_xvr;
+ if (hauppauge == 1) {
+ ir_codes = ir_codes_hauppauge_new;
+ } else {
+ ir_codes = ir_codes_rc5_tv;
+ }
+ } else {
+ /* Handled by saa7134-input */
+ name = "SAA713x remote";
ir_type = IR_TYPE_OTHER;
- ir_codes = ir_codes_purpletv;
}
break;
+ case 0x40:
+ name = "AVerMedia Cardbus remote";
+ ir->get_key = get_key_avermedia_cardbus;
+ ir_type = IR_TYPE_OTHER;
+ ir_codes = ir_codes_avermedia_cardbus;
+ break;
default:
- /* shouldn't happen */
- printk(DEVNAME ": Huh? unknown i2c address (0x%02x)?\n",addr);
- kfree(ir);
- return -1;
+ dprintk(1, DEVNAME ": Unsupported i2c address 0x%02x\n", addr);
+ err = -ENODEV;
+ goto err_out_free;
}
- /* register i2c device */
- i2c_attach_client(&ir->c);
- snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (%s)", name);
+ /* Let the caller override settings */
+ if (client->dev.platform_data) {
+ const struct IR_i2c_init_data *init_data =
+ client->dev.platform_data;
+
+ ir_codes = init_data->ir_codes;
+ name = init_data->name;
+ if (init_data->type)
+ ir_type = init_data->type;
+
+ switch (init_data->internal_get_key_func) {
+ case IR_KBD_GET_KEY_CUSTOM:
+ /* The bridge driver provided us its own function */
+ ir->get_key = init_data->get_key;
+ break;
+ case IR_KBD_GET_KEY_PIXELVIEW:
+ ir->get_key = get_key_pixelview;
+ break;
+ case IR_KBD_GET_KEY_PV951:
+ ir->get_key = get_key_pv951;
+ break;
+ case IR_KBD_GET_KEY_HAUP:
+ ir->get_key = get_key_haup;
+ break;
+ case IR_KBD_GET_KEY_KNC1:
+ ir->get_key = get_key_knc1;
+ break;
+ case IR_KBD_GET_KEY_FUSIONHDTV:
+ ir->get_key = get_key_fusionhdtv;
+ break;
+ case IR_KBD_GET_KEY_HAUP_XVR:
+ ir->get_key = get_key_haup_xvr;
+ break;
+ case IR_KBD_GET_KEY_AVERMEDIA_CARDBUS:
+ ir->get_key = get_key_avermedia_cardbus;
+ break;
+ }
+ }
+
+ /* Make sure we are all setup before going on */
+ if (!name || !ir->get_key || !ir_codes) {
+ dprintk(1, DEVNAME ": Unsupported device at address 0x%02x\n",
+ addr);
+ err = -ENODEV;
+ goto err_out_free;
+ }
+
+ /* Sets name */
+ snprintf(ir->name, sizeof(ir->name), "i2c IR (%s)", name);
+ ir->ir_codes = ir_codes;
+
snprintf(ir->phys, sizeof(ir->phys), "%s/%s/ir0",
- ir->c.adapter->dev.bus_id,
- ir->c.dev.bus_id);
+ dev_name(&adap->dev),
+ dev_name(&client->dev));
/* init + register input device */
- ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
- input_dev->id.bustype = BUS_I2C;
- input_dev->name = ir->c.name;
- input_dev->phys = ir->phys;
+ ir_input_init(input_dev, &ir->ir, ir_type, ir->ir_codes);
+ input_dev->id.bustype = BUS_I2C;
+ input_dev->name = ir->name;
+ input_dev->phys = ir->phys;
- input_register_device(ir->input);
+ err = input_register_device(ir->input);
+ if (err)
+ goto err_out_free;
+
+ printk(DEVNAME ": %s detected at %s [%s]\n",
+ ir->input->name, ir->input->phys, adap->name);
/* start polling via eventd */
- 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);
+ INIT_DELAYED_WORK(&ir->work, ir_work);
+ schedule_delayed_work(&ir->work, 0);
return 0;
+
+ err_out_free:
+ input_free_device(input_dev);
+ kfree(ir);
+ return err;
}
-static int ir_detach(struct i2c_client *client)
+static int ir_remove(struct i2c_client *client)
{
- struct IR *ir = i2c_get_clientdata(client);
+ struct IR_i2c *ir = i2c_get_clientdata(client);
/* kill outstanding polls */
- del_timer(&ir->timer);
- flush_scheduled_work();
+ cancel_delayed_work_sync(&ir->work);
- /* unregister devices */
+ /* unregister device */
input_unregister_device(ir->input);
- i2c_detach_client(&ir->c);
/* free memory */
kfree(ir);
return 0;
}
-static int ir_probe(struct i2c_adapter *adap)
-{
-
- /* The external IR receiver is at i2c address 0x34 (0x35 for
- reads). Future Hauppauge cards will have an internal
- receiver at 0x30 (0x31 for reads). In theory, both can be
- fitted, and Hauppauge suggest an external overrides an
- internal.
-
- That's why we probe 0x1a (~0x34) first. CB
- */
-
- static const int probe_bttv[] = { 0x1a, 0x18, 0x4b, 0x64, 0x30, -1};
- static const int probe_saa7134[] = { 0x7a, -1 };
- static const int probe_em2820[] = { 0x47, 0x30, -1 };
- const int *probe = NULL;
- int attached = 0;
-
- struct i2c_client c; unsigned char buf; int i,rc;
-
- switch (adap->id) {
- case I2C_HW_B_BT848:
- probe = probe_bttv;
- break;
- case I2C_HW_SAA7134:
- probe = probe_saa7134;
- break;
- case I2C_HW_B_EM2820:
- probe = probe_em2820;
- break;
- }
- if (NULL == probe)
- return 0;
+static const struct i2c_device_id ir_kbd_id[] = {
+ /* Generic entry for any IR receiver */
+ { "ir_video", 0 },
+ /* IR device specific entries should be added here */
+ { "ir_rx_z8f0811_haup", 0 },
+ { }
+};
- memset(&c,0,sizeof(c));
- c.adapter = adap;
- for (i = 0; -1 != probe[i] && attached != 1; i++) {
- c.addr = probe[i];
- rc = i2c_master_recv(&c,&buf,1);
- dprintk(1,"probe 0x%02x @ %s: %s\n",
- probe[i], adap->name,
- (1 == rc) ? "yes" : "no");
- switch(adap->id){
- case I2C_HW_B_BT848:
- case I2C_HW_SAA7134:
- if (1 == rc) {
- ir_attach(adap,probe[i],0,0);
- attached=1;
- break;
- }
- case I2C_HW_B_EM2820:
- /* windows logs are needed for fixing the pinnacle device */
- if (1 == rc && 0xff == buf){
- ir_attach(adap,probe[i],0,IR_TERRATEC_REMOTE);
- attached=1;
- }
- break;
- }
- }
- return 0;
-}
+static struct i2c_driver driver = {
+ .driver = {
+ .name = "ir-kbd-i2c",
+ },
+ .probe = ir_probe,
+ .remove = ir_remove,
+ .id_table = ir_kbd_id,
+};
/* ----------------------------------------------------------------------- */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff