* 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/string.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];
+ 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] >> 7) & 1;
- range = (buf[0] >> 6) & 1;
- toggle = (buf[0] >> 5) & 1;
- dev = buf[0] & 0x1f;
- code = (buf[1] >> 2) & 0x3f;
+ 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
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_knc1(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+static int get_key_fusionhdtv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
- unsigned char b;
+ unsigned char buf[4];
/* poll IR chip */
- if (1 != i2c_master_recv(&ir->c,&b,1)) {
+ if (4 != i2c_master_recv(&ir->c,buf,4)) {
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 */
-
- dprintk(2,"key %02x\n", b);
+ 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]);
- if (b == 0xff)
+ /* no key pressed or signal from other ir remote */
+ if(buf[0] != 0x1 || buf[1] != 0xfe)
return 0;
- if (b == 0xfe)
- /* keep old data */
- return 1;
+ *ir_key = buf[2];
+ *ir_raw = (buf[2] << 8) | buf[3];
- *ir_key = b;
- *ir_raw = b;
return 1;
}
-/* Common (grey or coloured) pinnacle PCTV remote handling
- *
- */
-static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
- int parity_offset, int marker, int code_modulo)
+static int get_key_knc1(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
- unsigned char b[4];
- unsigned int start = 0,parity = 0,code = 0;
+ unsigned char b;
/* poll IR chip */
- if (4 != i2c_master_recv(&ir->c,b,4)) {
- dprintk(2,"read error\n");
+ if (1 != i2c_master_recv(&ir->c,&b,1)) {
+ dprintk(1,"read error\n");
return -EIO;
}
- 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];
- }
- }
-
- /* Empty Request */
- if (parity==0)
- return 0;
-
- /* Repeating... */
- if (ir->old == parity)
- return 0;
+ /* 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 */
- ir->old = parity;
+ dprintk(2,"key %02x\n", b);
- /* 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))
+ if (b == 0xff)
return 0;
- code %= code_modulo;
-
- *ir_raw = code;
- *ir_key = code;
-
- dprintk(1,"Pinnacle PCTV key %02x\n", code);
+ if (b == 0xfe)
+ /* keep old data */
+ return 1;
+ *ir_key = b;
+ *ir_raw = b;
return 1;
}
-/* 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);
-
/* ----------------------------------------------------------------------- */
static void ir_key_poll(struct IR_i2c *ir)
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:
case 0x71:
- /* Handled by saa7134-input */
- name = "SAA713x remote";
- ir_type = IR_TYPE_OTHER;
+ 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 */
*/
static const int probe_bttv[] = { 0x1a, 0x18, 0x4b, 0x64, 0x30, -1};
- static const int probe_saa7134[] = { 0x7a, 0x47, 0x71, -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:
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;
}
}