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Add a few experimental ioctls to the hxtft driver.

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This commit is contained in:
Serge Vakulenko
2015-09-26 16:23:42 -07:00
parent 1faf08d3ab
commit 5041402681
1 changed files with 22 additions and 0 deletions
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22
sys/pic32/hx8357.c
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@@ -750,6 +750,7 @@ int hx8357_ioctl(dev_t dev, register u_int cmd, caddr_t addr, int flag)
int unit = minor(dev);
if (unit == 0) {
#if 0
struct tty *tp = &hx8357_ttys[unit];
int error;
@@ -757,6 +758,27 @@ int hx8357_ioctl(dev_t dev, register u_int cmd, caddr_t addr, int flag)
if (error < 0)
error = ENOTTY;
return (error);
#else
switch (cmd) {
case 0xC0C0: {
unsigned short* wndcoo = (unsigned short*)addr;
setAddrWindow(wndcoo[0], wndcoo[1], wndcoo[2], wndcoo[3]);
break;
}
case 0xDADA: {
unsigned short* data = (unsigned short*)addr;
unsigned short cnt = *data++;
while (PMMODE & PIC32_PMMODE_BUSY);
PMADDR = 0x0001;
while (cnt--) {
while (PMMODE & PIC32_PMMODE_BUSY);
PMDIN = *data++;
}
break;
}
}
return 0;
#endif
}
if (unit == 1) {
return EIO;