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Packard Bell Vibe 500: touchpad code rework. Improve touch sensivity a bit by setting the MEP parameters in the power_init() function. Implement new function in synaptics-mep driver (touchpad_set_parameter) necessary for it. Move the button lights code to the target backlight file.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24541 a1c6a512-1295-4272-9138-f99709370657
+40
-24
+22
-20
firmware/drivers/synaptics-mep.c
+22
-20
firmware/drivers/synaptics-mep.c
···
580
580
return val;
581
581
}
582
582
583
+
int touchpad_set_parameter(char par_nr, unsigned int param)
584
+
{
585
+
char data[4];
586
+
int val=0;
587
+
588
+
if (syn_status)
589
+
{
590
+
syn_enable_int(false);
591
+
592
+
data[0]=0x03; /* header - addr:0,global:0,control:0,len:3 */
593
+
data[1]=0x40+par_nr; /* parameter number */
594
+
data[2]=(param >> 8) & 0xff; /* param_hi */
595
+
data[3]=param & 0xff; /* param_lo */
596
+
syn_send(data,4);
597
+
val=syn_read(data,1); /* get the simple ACK = 0x18 */
598
+
599
+
syn_enable_int(true);
600
+
}
601
+
return val;
602
+
}
603
+
583
604
int touchpad_set_buttonlights(unsigned int led_mask, char brightness)
584
605
{
585
606
char data[6];
···
588
609
if (syn_status)
589
610
{
590
611
syn_enable_int(false);
591
-
#if defined(PBELL_VIBE500)
592
-
/* In Packard Bell Vibe 500 leds are controlled through the MEP parameters 0x62 - 0x63
593
-
There is no 0x31 order - grup led control */
594
-
595
-
/* Make sure we have a led_block_mask = 0 - obtained experimentally */
596
-
data[0] = 0x03; /* header - addr:0,global:0,control:0,len:3 */
597
-
data[1] = 0x63; /* parameter nr: 0x23 (-0x40) - led_block_mask */
598
-
data[2] = 0x00; /* par_hi = 0 */
599
-
data[3] = 0x00; /* par_lo = 0 */
600
-
syn_send(data,4);
601
-
val = syn_read(data, 1); /* get the simple ACK = 0x18 */
602
612
603
-
/* Turn on/off the lights (there is no brightness control) - obtained experimentally */
604
-
data[0] = 0x03; /* header - addr:0,global:0,control:0,len:3 */
605
-
data[1] = 0x62; /* parameter nr: 0x22 (-0x40) - led_mask */
606
-
data[2] = 0x00; /* par_hi = 0 */
607
-
data[3] = (led_mask & 0x0f) | (brightness&0); /* par_lo = led_mask */
608
-
syn_send(data,4);
609
-
val = syn_read(data, 1); /* get the simple ACK = 0x18 */
610
-
#else
611
613
/* turn on all touchpad leds */
612
614
data[0] = 0x05;
613
615
data[1] = 0x31;
···
619
621
620
622
/* device responds with a single-byte ACK packet */
621
623
val = syn_read(data, 2);
622
-
#endif
624
+
623
625
syn_enable_int(true);
624
626
}
625
627
+1
firmware/export/synaptics-mep.h
+1
firmware/export/synaptics-mep.h
+5
-4
firmware/target/arm/pbell/vibe500/backlight-vibe500.c
+5
-4
firmware/target/arm/pbell/vibe500/backlight-vibe500.c
···
64
64
{
65
65
if (!buttonlight_status)
66
66
{
67
-
touchpad_set_buttonlights(0x0f, 0);
67
+
touchpad_set_parameter(0x22, 0x000f); /* 0x22 - GPO_ENABLE */
68
68
buttonlight_status = 1;
69
69
}
70
70
}
71
-
71
+
72
72
void _buttonlight_off(void)
73
73
{
74
74
if (buttonlight_status)
75
75
{
76
-
touchpad_set_buttonlights(0x00, 0);
76
+
touchpad_set_parameter(0x22, 0x0000); /* 0x22 - GPO_ENABLE */
77
77
buttonlight_status = 0;
78
78
}
79
79
}
···
81
81
void _buttonlight_set_brightness(int brightness)
82
82
{
83
83
/* no brightness control, but lights stays on - for compatibility */
84
-
touchpad_set_buttonlights(0x0f, brightness);
84
+
(void)brightness;
85
+
touchpad_set_parameter(0x22, 0x000f); /* 0x22 - GPO_ENABLE */
85
86
buttonlight_status = 1;
86
87
}
87
88
#endif
+12
firmware/target/arm/pbell/vibe500/power-vibe500.c
+12
firmware/target/arm/pbell/vibe500/power-vibe500.c
···
46
46
{
47
47
logf("touchpad not ready");
48
48
}
49
+
/* Max touch sensivity = 0x77, Rate=80/s,NoFilter=0,
50
+
KeyMatrix=0,Buttons=1,Relative=0,Absolute=1.
51
+
MEP parameter 0x20 - Report Modes */
52
+
touchpad_set_parameter(0x20,0x7785);
53
+
/* MinAbsReporting=0, NotAllCapButtons=0,SingleCapButton=0,
54
+
50msDebounce=0,MotionReporting=1 (reduce transmission overhead),
55
+
ClipZifnoFinger=0,DisableDeceleration=0,Dribble=0.
56
+
MEP parameter 0x21 - Enhanced Operating Configuration */
57
+
touchpad_set_parameter(0x21,0x0008);
58
+
/* Set the GPO_LEVEL = 0 - for the button lights */
59
+
touchpad_set_parameter(0x23,0x0000);
60
+
49
61
/* Sound unmute (on) */
50
62
GPIO_CLEAR_BITWISE(GPIOL_OUTPUT_VAL, 0x10);
51
63
}