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Diffstat (limited to 'drivers/media/video/ir-kbd-i2c.c')
-rw-r--r--drivers/media/video/ir-kbd-i2c.c89
1 files changed, 76 insertions, 13 deletions
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index ed92b6f7187..d98dd0d1e37 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -10,6 +10,8 @@
* 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
@@ -28,7 +30,6 @@
*/
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
@@ -37,6 +38,7 @@
#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>
@@ -60,21 +62,22 @@ MODULE_PARM_DESC(hauppauge, "Specify Hauppauge remote: 0=black, 1=grey (defaults
/* ----------------------------------------------------------------------- */
-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
@@ -96,6 +99,16 @@ static int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
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;
@@ -130,6 +143,30 @@ static int get_key_pv951(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
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", __FUNCTION__,
+ 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;
@@ -270,8 +307,9 @@ static void ir_timer(unsigned long data)
static void ir_work(struct work_struct *work)
{
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));
}
/* ----------------------------------------------------------------------- */
@@ -351,12 +389,30 @@ static int ir_attach(struct i2c_adapter *adap, int addr,
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;
+ 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 */
@@ -450,6 +506,8 @@ static int ir_probe(struct i2c_adapter *adap)
static const int probe_bttv[] = { 0x1a, 0x18, 0x4b, 0x64, 0x30, -1};
static const int probe_saa7134[] = { 0x7a, 0x47, 0x71, -1 };
static const int probe_em28XX[] = { 0x30, 0x47, -1 };
+ static const int probe_cx88[] = { 0x18, 0x6b, 0x71, -1 };
+ static const int probe_cx23885[] = { 0x6b, -1 };
const int *probe = NULL;
struct i2c_client c;
unsigned char buf;
@@ -468,6 +526,11 @@ static int ir_probe(struct i2c_adapter *adap)
case I2C_HW_B_EM28XX:
probe = probe_em28XX;
break;
+ case I2C_HW_B_CX2388x:
+ probe = probe_cx88;
+ case I2C_HW_B_CX23885:
+ probe = probe_cx23885;
+ break;
}
if (NULL == probe)
return 0;