* 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>
*
* 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>
#include <media/ir-kbd-i2c.h>
static int debug;
module_param(debug, int, 0644); /* debug level (0,1,2) */
-static int hauppauge = 0;
+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)");
/* ----------------------------------------------------------------------- */
-static int get_key_haup(struct IR_i2c *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;
/* 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);
+
+ 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;
return 1;
}
+static inline int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ return get_key_haup_common (ir, ir_key, ir_raw, 3, 0);
+}
+
+static inline 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;
return 1;
}
+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;
return 1;
}
-/* The new pinnacle PCTV remote (with the colored buttons)
+/* Common (grey or coloured) pinnacle PCTV remote handling
*
- * Ricardo Cerqueira <v4l@cerqueira.org>
*/
-
-int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
+ int parity_offset, int marker, int code_modulo)
{
unsigned char b[4];
unsigned int start = 0,parity = 0,code = 0;
return -EIO;
}
- for (start = 0; start<4; start++) {
- if (b[start] == 0x80) {
- code=b[(start+3)%4];
- parity=b[(start+2)%4];
+ for (start = 0; start < ARRAY_SIZE(b); start++) {
+ if (b[start] == marker) {
+ code=b[(start+parity_offset+1)%4];
+ parity=b[(start+parity_offset)%4];
}
}
if (ir->old == parity)
return 0;
-
ir->old = parity;
- /* Reduce code value to fit inside IR_KEYTAB_SIZE
- *
- * this is the only value that results in 42 unique
- * codes < 128
- */
+ /* drop special codes when a key is held down a long time for the grey controller
+ In this case, the second bit of the code is asserted */
+ if (marker == 0xfe && (code & 0x40))
+ return 0;
- code %= 0x88;
+ code %= code_modulo;
*ir_raw = code;
*ir_key = code;
return 1;
}
-EXPORT_SYMBOL_GPL(get_key_pinnacle);
+/* The grey pinnacle PCTV remote
+ *
+ * There are one issue with this remote:
+ * - I2c packet does not change when the same key is pressed quickly. The workaround
+ * is to hold down each key for about half a second, so that another code is generated
+ * in the i2c packet, and the function can distinguish key presses.
+ *
+ * Sylvain Pasche <sylvain.pasche@gmail.com>
+ */
+int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+
+ return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
+}
+
+EXPORT_SYMBOL_GPL(get_key_pinnacle_grey);
+
+
+/* The new pinnacle PCTV remote (with the colored buttons)
+ *
+ * Ricardo Cerqueira <v4l@cerqueira.org>
+ */
+int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
+ *
+ * this is the only value that results in 42 unique
+ * codes < 128
+ */
+
+ return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
+}
+
+EXPORT_SYMBOL_GPL(get_key_pinnacle_color);
/* ----------------------------------------------------------------------- */
schedule_work(&ir->work);
}
-static void ir_work(void *data)
+static void ir_work(struct work_struct *work)
{
- struct IR_i2c *ir = data;
+ struct IR_i2c *ir = container_of(work, struct IR_i2c, work);
+
ir_key_poll(ir);
- mod_timer(&ir->timer, jiffies+HZ/10);
+ mod_timer(&ir->timer, jiffies + msecs_to_jiffies(100));
}
/* ----------------------------------------------------------------------- */
int ir_type;
struct IR_i2c *ir;
struct input_dev *input_dev;
+ int err;
ir = kzalloc(sizeof(struct IR_i2c),GFP_KERNEL);
input_dev = input_allocate_device();
if (!ir || !input_dev) {
- input_free_device(input_dev);
- kfree(ir);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto err_out_free;
}
- memset(ir,0,sizeof(*ir));
ir->c = client_template;
ir->input = input_dev;
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 0x7a:
case 0x47:
- /* Handled by saa7134-input */
- name = "SAA713x remote";
- ir_type = IR_TYPE_OTHER;
+ case 0x71:
+ case 0x2d:
+ if (adap->id == I2C_HW_B_CX2388x) {
+ /* Handled by cx88-input */
+ name = "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;
+ }
break;
default:
/* shouldn't happen */
- printk(DEVNAME ": Huh? unknown i2c address (0x%02x)?\n",addr);
- kfree(ir);
- return -1;
+ printk(DEVNAME ": Huh? unknown i2c address (0x%02x)?\n", addr);
+ err = -ENODEV;
+ goto err_out_free;
}
/* Sets name */
snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (%s)", name);
- ir->ir_codes=ir_codes;
+ ir->ir_codes = ir_codes;
/* register i2c device
* At device register, IR codes may be changed to be
* board dependent.
*/
- i2c_attach_client(&ir->c);
+ err = i2c_attach_client(&ir->c);
+ if (err)
+ goto err_out_free;
/* If IR not supported or disabled, unregisters driver */
if (ir->get_key == NULL) {
- i2c_detach_client(&ir->c);
- kfree(ir);
- return -1;
+ err = -ENODEV;
+ goto err_out_detach;
}
/* Phys addr can only be set after attaching (for ir->c.dev.bus_id) */
ir->c.dev.bus_id);
/* init + register input device */
- ir_input_init(input_dev,&ir->ir,ir_type,ir->ir_codes);
+ ir_input_init(input_dev, &ir->ir, ir_type, ir->ir_codes);
input_dev->id.bustype = BUS_I2C;
input_dev->name = ir->c.name;
input_dev->phys = ir->phys;
- /* register event device */
- input_register_device(ir->input);
+ err = input_register_device(ir->input);
+ if (err)
+ goto err_out_detach;
+
printk(DEVNAME ": %s detected at %s [%s]\n",
- ir->input->name,ir->input->phys,adap->name);
+ ir->input->name, ir->input->phys, adap->name);
/* start polling via eventd */
- INIT_WORK(&ir->work, ir_work, ir);
+ INIT_WORK(&ir->work, ir_work);
init_timer(&ir->timer);
ir->timer.function = ir_timer;
ir->timer.data = (unsigned long)ir;
schedule_work(&ir->work);
return 0;
+
+ err_out_detach:
+ i2c_detach_client(&ir->c);
+ err_out_free:
+ input_free_device(input_dev);
+ kfree(ir);
+ return err;
}
static int ir_detach(struct i2c_client *client)
struct IR_i2c *ir = i2c_get_clientdata(client);
/* kill outstanding polls */
- del_timer(&ir->timer);
+ del_timer_sync(&ir->timer);
flush_scheduled_work();
/* unregister devices */
*/
static const int probe_bttv[] = { 0x1a, 0x18, 0x4b, 0x64, 0x30, -1};
- static const int probe_cx2341x[] = { 0x18, 0x7a, -1};
- static const int probe_saa7134[] = { 0x7a, 0x47, -1 };
+ static const int probe_saa7134[] = { 0x7a, 0x47, 0x71, 0x2d, -1 };
static const int probe_em28XX[] = { 0x30, 0x47, -1 };
- const int *probe = NULL;
- struct i2c_client c;
- unsigned char buf;
- int i,rc;
+ static const int probe_cx88[] = { 0x18, 0x6b, 0x71, -1 };
+ static const int probe_cx23885[] = { 0x6b, -1 };
+ const int *probe;
+ struct i2c_msg msg = {
+ .flags = I2C_M_RD,
+ .len = 0,
+ .buf = NULL,
+ };
+ int i, rc;
switch (adap->id) {
case I2C_HW_B_BT848:
probe = probe_bttv;
break;
case I2C_HW_B_CX2341X:
- probe = probe_cx2341x;
+ probe = probe_bttv;
break;
case I2C_HW_SAA7134:
probe = probe_saa7134;
case I2C_HW_B_EM28XX:
probe = probe_em28XX;
break;
- }
- if (NULL == probe)
+ case I2C_HW_B_CX2388x:
+ probe = probe_cx88;
+ break;
+ case I2C_HW_B_CX23885:
+ probe = probe_cx23885;
+ break;
+ default:
return 0;
+ }
- memset(&c,0,sizeof(c));
- c.adapter = adap;
for (i = 0; -1 != probe[i]; i++) {
- c.addr = probe[i];
- rc = i2c_master_recv(&c,&buf,0);
+ msg.addr = probe[i];
+ rc = i2c_transfer(adap, &msg, 1);
dprintk(1,"probe 0x%02x @ %s: %s\n",
probe[i], adap->name,
- (0 == rc) ? "yes" : "no");
- if (0 == rc) {
- ir_attach(adap,probe[i],0,0);
+ (1 == rc) ? "yes" : "no");
+ if (1 == rc) {
+ ir_attach(adap, probe[i], 0, 0);
break;
}
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff