libnx/nx/source/services/irs.c

520 lines
12 KiB
C

#include <string.h>
#include "types.h"
#include "result.h"
#include "arm/atomics.h"
#include "kernel/ipc.h"
#include "kernel/shmem.h"
#include "kernel/tmem.h"
#include "services/applet.h"
#include "services/irs.h"
#include "services/hid.h"
#include "services/sm.h"
typedef struct {
bool initialized;
u32 IrCameraHandle;
TransferMemory transfermem;
} irsCameraEntry;
static Service g_irsSrv;
static u64 g_refCnt;
static SharedMemory g_irsSharedmem;
static bool g_irsSensorActivated;
static irsCameraEntry g_irsCameras[8];
static Result _irsGetIrsensorSharedMemoryHandle(Handle* handle_out, u64 AppletResourceUserId);
Result irsInitialize(void)
{
atomicIncrement64(&g_refCnt);
if (serviceIsActive(&g_irsSrv))
return 0;
Result rc;
Handle sharedmem_handle;
u64 AppletResourceUserId=0;
g_irsSensorActivated = 0;
memset(g_irsCameras, 0, sizeof(g_irsCameras));
rc = appletGetAppletResourceUserId(&AppletResourceUserId);
if (R_FAILED(rc))
return rc;
rc = smGetService(&g_irsSrv, "irs");
if (R_FAILED(rc))
return rc;
rc = _irsGetIrsensorSharedMemoryHandle(&sharedmem_handle, AppletResourceUserId);
if (R_SUCCEEDED(rc))
{
shmemLoadRemote(&g_irsSharedmem, sharedmem_handle, 0x8000, Perm_R);
rc = shmemMap(&g_irsSharedmem);
}
if (R_FAILED(rc))
irsExit();
return rc;
}
void irsExit(void)
{
if (atomicDecrement64(&g_refCnt) == 0)
{
size_t entrycount = sizeof(g_irsCameras)/sizeof(irsCameraEntry);
irsCameraEntry *entry;
int i;
for(i=0; i<entrycount; i++) {
entry = &g_irsCameras[i];
if (!entry->initialized) continue;
irsStopImageProcessor(entry->IrCameraHandle);
}
irsActivateIrsensor(0);
serviceClose(&g_irsSrv);
shmemClose(&g_irsSharedmem);
}
}
static Result _irsCameraEntryAlloc(u32 IrCameraHandle, irsCameraEntry **out_entry) {
int i;
size_t entrycount = sizeof(g_irsCameras)/sizeof(irsCameraEntry);
int empty_entry = -1;
irsCameraEntry *entry;
if (out_entry) *out_entry = NULL;
for(i=0; i<entrycount; i++) {
entry = &g_irsCameras[i];
if (entry->initialized) {
if (entry->IrCameraHandle == IrCameraHandle)
return MAKERESULT(Module_Libnx, LibnxError_AlreadyInitialized);
}
else if (empty_entry == -1)
empty_entry = i;
}
if (empty_entry == -1)
return MAKERESULT(Module_Libnx, LibnxError_AlreadyInitialized);
entry = &g_irsCameras[empty_entry];
entry->initialized = 1;
entry->IrCameraHandle = IrCameraHandle;
if (out_entry) *out_entry = entry;
return 0;
}
static Result _irsCameraEntryGet(u32 IrCameraHandle, irsCameraEntry **out_entry) {
int i;
size_t entrycount = sizeof(g_irsCameras)/sizeof(irsCameraEntry);
irsCameraEntry *entry;
*out_entry = NULL;
for(i=0; i<entrycount; i++) {
entry = &g_irsCameras[i];
if (entry->initialized && entry->IrCameraHandle == IrCameraHandle) {
*out_entry = entry;
return 0;
}
}
return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
}
static void _irsCameraEntryFree(irsCameraEntry *entry) {
tmemClose(&entry->transfermem);
memset(entry, 0, sizeof(irsCameraEntry));
}
Service* irsGetSessionService(void) {
return &g_irsSrv;
}
void* irsGetSharedmemAddr(void) {
return shmemGetAddr(&g_irsSharedmem);
}
Result irsActivateIrsensor(bool activate) {
if (g_irsSensorActivated==activate) return 0;
Result rc=0;
u64 AppletResourceUserId=0;
rc = appletGetAppletResourceUserId(&AppletResourceUserId);
if (R_FAILED(rc))
return rc;
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u64 AppletResourceUserId;
} *raw;
ipcSendPid(&c);
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = activate ? 302 : 303;
raw->AppletResourceUserId = AppletResourceUserId;
rc = serviceIpcDispatch(&g_irsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) g_irsSensorActivated = activate;
}
return rc;
}
static Result _irsGetIrsensorSharedMemoryHandle(Handle* handle_out, u64 AppletResourceUserId) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u64 AppletResourceUserId;
} *raw;
ipcSendPid(&c);
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 304;
raw->AppletResourceUserId = AppletResourceUserId;
Result rc = serviceIpcDispatch(&g_irsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) {
*handle_out = r.Handles[0];
}
}
return rc;
}
static Result _irsStopImageProcessor(u32 IrCameraHandle, u64 AppletResourceUserId) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u32 IrCameraHandle;
u64 AppletResourceUserId;
} *raw;
ipcSendPid(&c);
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 305;
raw->IrCameraHandle = IrCameraHandle;
raw->AppletResourceUserId = AppletResourceUserId;
Result rc = serviceIpcDispatch(&g_irsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
}
return rc;
}
Result irsStopImageProcessor(u32 IrCameraHandle) {
Result rc=0;
u64 AppletResourceUserId=0;
irsCameraEntry *entry = NULL;
if (!serviceIsActive(&g_irsSrv))
return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
rc = appletGetAppletResourceUserId(&AppletResourceUserId);
if (R_FAILED(rc))
return rc;
rc = _irsCameraEntryGet(IrCameraHandle, &entry);
if (R_FAILED(rc))
return rc;
if (entry->transfermem.handle == INVALID_HANDLE)
return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
rc = _irsStopImageProcessor(IrCameraHandle, AppletResourceUserId);
_irsCameraEntryFree(entry);
return rc;
}
static Result _irsRunImageTransferProcessor(u32 IrCameraHandle, u64 AppletResourceUserId, irsPackedImageTransferProcessorConfig *config, Handle transfermem, u64 transfermem_size) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u32 IrCameraHandle;
u64 AppletResourceUserId;
irsPackedImageTransferProcessorConfig config;
u64 TransferMemory_size;
} *raw;
ipcSendPid(&c);
ipcSendHandleCopy(&c, transfermem);
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 308;
raw->IrCameraHandle = IrCameraHandle;
raw->AppletResourceUserId = AppletResourceUserId;
raw->TransferMemory_size = transfermem_size;
memcpy(&raw->config, config, sizeof(raw->config));
Result rc = serviceIpcDispatch(&g_irsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
}
return rc;
}
Result irsRunImageTransferProcessor(u32 IrCameraHandle, irsImageTransferProcessorConfig *config, size_t size) {
Result rc=0;
u64 AppletResourceUserId=0;
irsCameraEntry *entry = NULL;
irsPackedImageTransferProcessorConfig packed_config;
memset(&packed_config, 0, sizeof(packed_config));
packed_config.exposure = config->exposure;
packed_config.ir_leds = config->ir_leds;
packed_config.digital_gain = config->digital_gain;
packed_config.color_invert = config->color_invert;
packed_config.unk_constant = 0xa0003;
packed_config.sensor_res = config->sensor_res;
rc = appletGetAppletResourceUserId(&AppletResourceUserId);
if (R_FAILED(rc))
return rc;
rc = _irsCameraEntryAlloc(IrCameraHandle, &entry);
if (R_FAILED(rc))
return rc;
rc = tmemCreate(&entry->transfermem, size, Perm_None);
if (R_FAILED(rc)) return rc;
rc = _irsRunImageTransferProcessor(IrCameraHandle, AppletResourceUserId, &packed_config, entry->transfermem.handle, size);
if (R_FAILED(rc)) _irsCameraEntryFree(entry);
return rc;
}
static Result _irsGetImageTransferProcessorState(u32 IrCameraHandle, u64 AppletResourceUserId, void* buffer, size_t size, irsImageTransferProcessorState *state) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u32 IrCameraHandle;
u64 AppletResourceUserId;
} *raw;
ipcSendPid(&c);
ipcAddRecvBuffer(&c, buffer, size, 0);
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 309;
raw->IrCameraHandle = IrCameraHandle;
raw->AppletResourceUserId = AppletResourceUserId;
Result rc = serviceIpcDispatch(&g_irsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
irsImageTransferProcessorState state;
} *resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc) && state)
memcpy(state, &resp->state, sizeof(irsImageTransferProcessorState));
}
return rc;
}
Result irsGetImageTransferProcessorState(u32 IrCameraHandle, void* buffer, size_t size, irsImageTransferProcessorState *state) {
Result rc=0;
u64 AppletResourceUserId=0;
rc = appletGetAppletResourceUserId(&AppletResourceUserId);
if (R_FAILED(rc))
return rc;
rc = _irsGetImageTransferProcessorState(IrCameraHandle, AppletResourceUserId, buffer, size, state);
return rc;
}
void irsGetDefaultImageTransferProcessorConfig(irsImageTransferProcessorConfig *config) {
memset(config, 0, sizeof(irsImageTransferProcessorConfig));
config->exposure = 300000;
config->ir_leds = 0;
config->digital_gain = 8;
config->color_invert = 0;
config->sensor_res = 0;
}
Result irsGetIrCameraHandle(u32 *IrCameraHandle, HidControllerID id) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u32 id;
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 311;
raw->id = id;
Result rc = serviceIpcDispatch(&g_irsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
u32 IrCameraHandle;
} *resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc) && IrCameraHandle) {
*IrCameraHandle = resp->IrCameraHandle;
}
}
return rc;
}
static Result _irsSuspendImageProcessor(u32 IrCameraHandle, u64 AppletResourceUserId) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u32 IrCameraHandle;
u64 AppletResourceUserId;
} *raw;
ipcSendPid(&c);
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 313;
raw->IrCameraHandle = IrCameraHandle;
raw->AppletResourceUserId = AppletResourceUserId;
Result rc = serviceIpcDispatch(&g_irsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
}
return rc;
}
Result irsSuspendImageProcessor(u32 IrCameraHandle) {
Result rc=0;
u64 AppletResourceUserId=0;
rc = appletGetAppletResourceUserId(&AppletResourceUserId);
if (R_FAILED(rc))
return rc;
rc = _irsSuspendImageProcessor(IrCameraHandle, AppletResourceUserId);
return rc;
}