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Hook ctrl peek2 and read2 (PS4 remote play works, yay!)
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Reduce DS4 deadzone to 3
Only overwrite front touchscreen
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@xerpi
xerpi committed Apr 2, 2017
1 parent 8434bda commit f0989c8
Showing 1 changed file with 81 additions and 26 deletions.
107 changes: 81 additions & 26 deletions main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@

#define DS4_TOUCHPAD_W 1920
#define DS4_TOUCHPAD_H 940
#define DS4_ANALOG_THRESHOLD 5
#define DS4_ANALOG_THRESHOLD 3

#define VITA_FRONT_TOUCHSCREEN_W 1920
#define VITA_FRONT_TOUCHSCREEN_H 1080
Expand Down Expand Up @@ -120,6 +120,10 @@ static tai_hook_ref_t SceTouch_ksceTouchReadRegion_ref;
static SceUID SceTouch_ksceTouchReadRegion_hook_uid = -1;
static tai_hook_ref_t SceMotion_sceMotionGetState_ref;
static SceUID SceMotion_sceMotionGetState_hook_uid = -1;
static tai_hook_ref_t SceCtrl_sceCtrlReadBufferPositive2_ref;
static SceUID SceCtrl_sceCtrlReadBufferPositive2_hook_uid = -1;
static tai_hook_ref_t SceCtrl_sceCtrlPeekBufferPositive2_ref;
static SceUID SceCtrl_sceCtrlPeekBufferPositive2_hook_uid = -1;

static inline void ds4_input_reset(void)
{
Expand Down Expand Up @@ -270,11 +274,57 @@ static void set_input_emulation(struct ds4_input_report *ds4)
ksceKernelPowerTick(0);
}

static void patch_analogdata(int port, SceCtrlData *pad_data, int count,
struct ds4_input_report *ds4)
{
unsigned int i;

for (i = 0; i < count; i++) {
SceCtrlData k_data;

ksceKernelMemcpyUserToKernel(&k_data, (uintptr_t)pad_data, sizeof(k_data));
if (abs(ds4->left_x - 128) > DS4_ANALOG_THRESHOLD)
k_data.lx = ds4->left_x;
if (abs(ds4->left_y - 128) > DS4_ANALOG_THRESHOLD)
k_data.ly = ds4->left_y;
if (abs(ds4->right_x - 128) > DS4_ANALOG_THRESHOLD)
k_data.rx = ds4->right_x;
if (abs(ds4->right_y - 128) > DS4_ANALOG_THRESHOLD)
k_data.ry = ds4->right_y;
ksceKernelMemcpyKernelToUser((uintptr_t)pad_data, &k_data, sizeof(k_data));

pad_data++;
}
}

static int SceCtrl_sceCtrlPeekBufferPositive2_hook_func(int port, SceCtrlData *pad_data, int count)
{
int ret = TAI_CONTINUE(int, SceCtrl_sceCtrlPeekBufferPositive2_ref, port, pad_data, count);

if (ret >= 0 && ds4_connected)
patch_analogdata(port, pad_data, count, &ds4_input);

return ret;
}

static int SceCtrl_sceCtrlReadBufferPositive2_hook_func(int port, SceCtrlData *pad_data, int count)
{
int ret = TAI_CONTINUE(int, SceCtrl_sceCtrlReadBufferPositive2_ref, port, pad_data, count);

if (ret >= 0 && ds4_connected)
patch_analogdata(port, pad_data, count, &ds4_input);

return ret;
}

static void patch_touchdata(SceUInt32 port, SceTouchData *pData, SceUInt32 nBufs,
struct ds4_input_report *ds4)
{
unsigned int i;

if (port != SCE_TOUCH_PORT_FRONT)
return;

for (i = 0; i < nBufs; i++) {
unsigned int num_reports = 0;

Expand Down Expand Up @@ -303,52 +353,40 @@ static void patch_touchdata(SceUInt32 port, SceTouchData *pData, SceUInt32 nBufs

static int SceTouch_ksceTouchPeek_hook_func(SceUInt32 port, SceTouchData *pData, SceUInt32 nBufs)
{
int ret;
int ret = TAI_CONTINUE(int, SceTouch_ksceTouchPeek_ref, port, pData, nBufs);

ret = TAI_CONTINUE(int, SceTouch_ksceTouchPeek_ref, port, pData, nBufs);

if (ret >= 0 && ds4_connected) {
if (ret >= 0 && ds4_connected)
patch_touchdata(port, pData, nBufs, &ds4_input);
}

return ret;
}

static int SceTouch_ksceTouchPeekRegion_hook_func(SceUInt32 port, SceTouchData *pData, SceUInt32 nBufs, int region)
{
int ret;
int ret = TAI_CONTINUE(int, SceTouch_ksceTouchPeekRegion_ref, port, pData, nBufs, region);

ret = TAI_CONTINUE(int, SceTouch_ksceTouchPeekRegion_ref, port, pData, nBufs, region);

if (ret >= 0 && ds4_connected) {
if (ret >= 0 && ds4_connected)
patch_touchdata(port, pData, nBufs, &ds4_input);
}

return ret;
}

static int SceTouch_ksceTouchRead_hook_func(SceUInt32 port, SceTouchData *pData, SceUInt32 nBufs)
{
int ret;
int ret = TAI_CONTINUE(int, SceTouch_ksceTouchRead_ref, port, pData, nBufs);

ret = TAI_CONTINUE(int, SceTouch_ksceTouchRead_ref, port, pData, nBufs);

if (ret >= 0 && ds4_connected) {
if (ret >= 0 && ds4_connected)
patch_touchdata(port, pData, nBufs, &ds4_input);
}

return ret;
}

static int SceTouch_ksceTouchReadRegion_hook_func(SceUInt32 port, SceTouchData *pData, SceUInt32 nBufs, int region)
{
int ret;
int ret = TAI_CONTINUE(int, SceTouch_ksceTouchReadRegion_ref, port, pData, nBufs, region);

ret = TAI_CONTINUE(int, SceTouch_ksceTouchReadRegion_ref, port, pData, nBufs, region);

if (ret >= 0 && ds4_connected) {
if (ret >= 0 && ds4_connected)
patch_touchdata(port, pData, nBufs, &ds4_input);
}

return ret;
}
Expand All @@ -367,13 +405,10 @@ static void patch_motion_state(SceMotionState *motionState, struct ds4_input_rep

static int SceMotion_sceMotionGetState_hook_func(SceMotionState *motionState)
{
int ret;

ret = TAI_CONTINUE(int, SceMotion_sceMotionGetState_ref, motionState);
int ret = TAI_CONTINUE(int, SceMotion_sceMotionGetState_ref, motionState);

if (ret >= 0 && ds4_connected) {
if (ret >= 0 && ds4_connected)
patch_motion_state(motionState, &ds4_input);
}

return ret;
}
Expand Down Expand Up @@ -591,6 +626,15 @@ int module_start(SceSize argc, const void *args)
&SceBt_sub_22999C8_ref, SceBt_modinfo.modid, 0,
0x22999C8 - 0x2280000, 1, SceBt_sub_22999C8_hook_func);

/* SceCtrl hooks (needed for PS4 remote play) */
SceCtrl_sceCtrlPeekBufferPositive2_hook_uid = taiHookFunctionExportForKernel(KERNEL_PID,
&SceCtrl_sceCtrlPeekBufferPositive2_ref, "SceCtrl", TAI_ANY_LIBRARY,
0x15F81E8C, SceCtrl_sceCtrlPeekBufferPositive2_hook_func);

SceCtrl_sceCtrlReadBufferPositive2_hook_uid = taiHookFunctionExportForKernel(KERNEL_PID,
&SceCtrl_sceCtrlReadBufferPositive2_ref, "SceCtrl", TAI_ANY_LIBRARY,
0xC4226A3E, SceCtrl_sceCtrlReadBufferPositive2_hook_func);

/* SceTouch hooks */
SceTouch_ksceTouchPeek_hook_uid = taiHookFunctionExportForKernel(KERNEL_PID,
&SceTouch_ksceTouchPeek_ref, "SceTouch", TAI_ANY_LIBRARY,
Expand All @@ -613,6 +657,7 @@ int module_start(SceSize argc, const void *args)
&SceMotion_sceMotionGetState_ref, "SceMotion", TAI_ANY_LIBRARY,
0xBDB32767, SceMotion_sceMotionGetState_hook_func);


SceKernelHeapCreateOpt opt;
opt.size = 0x1C;
opt.uselock = 0x100;
Expand Down Expand Up @@ -657,6 +702,16 @@ int module_stop(SceSize argc, const void *args)
SceBt_sub_22999C8_ref);
}

if (SceCtrl_sceCtrlPeekBufferPositive2_hook_uid > 0) {
taiHookReleaseForKernel(SceCtrl_sceCtrlPeekBufferPositive2_hook_uid,
SceCtrl_sceCtrlPeekBufferPositive2_ref);
}

if (SceCtrl_sceCtrlReadBufferPositive2_hook_uid > 0) {
taiHookReleaseForKernel(SceCtrl_sceCtrlReadBufferPositive2_hook_uid,
SceCtrl_sceCtrlReadBufferPositive2_ref);
}

if (SceTouch_ksceTouchPeek_hook_uid > 0) {
taiHookReleaseForKernel(SceTouch_ksceTouchPeek_hook_uid,
SceTouch_ksceTouchPeek_ref);
Expand Down

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