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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.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24541 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Szymon Dziok 2010-02-06 19:15:43 +00:00
parent 179afba31e
commit 8a36f0bad4
4 changed files with 40 additions and 24 deletions
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42
firmware/drivers/synaptics-mep.c
View file

@ -580,6 +580,27 @@ int touchpad_read_device(char *data, int len)
return val;
}
int touchpad_set_parameter(char par_nr, unsigned int param)
{
char data[4];
int val=0;
if (syn_status)
{
syn_enable_int(false);
data[0]=0x03; /* header - addr:0,global:0,control:0,len:3 */
data[1]=0x40+par_nr; /* parameter number */
data[2]=(param >> 8) & 0xff; /* param_hi */
data[3]=param & 0xff; /* param_lo */
syn_send(data,4);
val=syn_read(data,1); /* get the simple ACK = 0x18 */
syn_enable_int(true);
}
return val;
}
int touchpad_set_buttonlights(unsigned int led_mask, char brightness)
{
char data[6];
@ -588,26 +609,7 @@ int touchpad_set_buttonlights(unsigned int led_mask, char brightness)
if (syn_status)
{
syn_enable_int(false);
#if defined(PBELL_VIBE500)
/* In Packard Bell Vibe 500 leds are controlled through the MEP parameters 0x62 - 0x63
There is no 0x31 order - grup led control */
/* Make sure we have a led_block_mask = 0 - obtained experimentally */
data[0] = 0x03; /* header - addr:0,global:0,control:0,len:3 */
data[1] = 0x63; /* parameter nr: 0x23 (-0x40) - led_block_mask */
data[2] = 0x00; /* par_hi = 0 */
data[3] = 0x00; /* par_lo = 0 */
syn_send(data,4);
val = syn_read(data, 1); /* get the simple ACK = 0x18 */
/* Turn on/off the lights (there is no brightness control) - obtained experimentally */
data[0] = 0x03; /* header - addr:0,global:0,control:0,len:3 */
data[1] = 0x62; /* parameter nr: 0x22 (-0x40) - led_mask */
data[2] = 0x00; /* par_hi = 0 */
data[3] = (led_mask & 0x0f) | (brightness&0); /* par_lo = led_mask */
syn_send(data,4);
val = syn_read(data, 1); /* get the simple ACK = 0x18 */
#else
/* turn on all touchpad leds */
data[0] = 0x05;
data[1] = 0x31;
@ -619,7 +621,7 @@ int touchpad_set_buttonlights(unsigned int led_mask, char brightness)
/* device responds with a single-byte ACK packet */
val = syn_read(data, 2);
#endif
syn_enable_int(true);
}

1
firmware/export/synaptics-mep.h
View file

@ -24,5 +24,6 @@
int touchpad_init(void);
int touchpad_read_device(char *data, int len);
int touchpad_set_buttonlights(unsigned int led_mask, char brightness);
int touchpad_set_parameter(char par_nr, unsigned int param);
#endif

7
firmware/target/arm/pbell/vibe500/backlight-vibe500.c
View file

@ -64,7 +64,7 @@ void _buttonlight_on(void)
{
if (!buttonlight_status)
{
touchpad_set_buttonlights(0x0f, 0);
touchpad_set_parameter(0x22, 0x000f); /* 0x22 - GPO_ENABLE */
buttonlight_status = 1;
}
}
@ -73,7 +73,7 @@ void _buttonlight_off(void)
{
if (buttonlight_status)
{
touchpad_set_buttonlights(0x00, 0);
touchpad_set_parameter(0x22, 0x0000); /* 0x22 - GPO_ENABLE */
buttonlight_status = 0;
}
}
@ -81,7 +81,8 @@ void _buttonlight_off(void)
void _buttonlight_set_brightness(int brightness)
{
/* no brightness control, but lights stays on - for compatibility */
touchpad_set_buttonlights(0x0f, brightness);
(void)brightness;
touchpad_set_parameter(0x22, 0x000f); /* 0x22 - GPO_ENABLE */
buttonlight_status = 1;
}
#endif

12
firmware/target/arm/pbell/vibe500/power-vibe500.c
View file

@ -46,6 +46,18 @@ void power_init(void)
{
logf("touchpad not ready");
}
/* Max touch sensivity = 0x77, Rate=80/s,NoFilter=0,
KeyMatrix=0,Buttons=1,Relative=0,Absolute=1.
MEP parameter 0x20 - Report Modes */
touchpad_set_parameter(0x20,0x7785);
/* MinAbsReporting=0, NotAllCapButtons=0,SingleCapButton=0,
50msDebounce=0,MotionReporting=1 (reduce transmission overhead),
ClipZifnoFinger=0,DisableDeceleration=0,Dribble=0.
MEP parameter 0x21 - Enhanced Operating Configuration */
touchpad_set_parameter(0x21,0x0008);
/* Set the GPO_LEVEL = 0 - for the button lights */
touchpad_set_parameter(0x23,0x0000);
/* Sound unmute (on) */
GPIO_CLEAR_BITWISE(GPIOL_OUTPUT_VAL, 0x10);
}