dsp power managment (tinygrad#6544)

* dsp power managment

* not needed

* oops

tinygrad/renderer/cstyle.py

@@ -447,10 +447,13 @@ class DSPRenderer(ClangRenderer):
 
   def render_kernel(self, function_name:str, kernel:List[str], bufs:List[Tuple[str,Tuple[DType,bool]]], uops:List[UOp], prefix=None) -> str:
     ret = super().render_kernel(function_name, kernel, bufs, uops, prefix)
-    msrc = ['typedef union { struct { void *pv; unsigned int len; } buf; struct { int fd; unsigned int offset; } dma; } remote_arg;',
+    msrc = ['''struct dcvs_v2_req { int type; int _pad; _Bool dcvs_enable; char dcvs_option; _Bool set_latency; int latency; _Bool set_dcvs_params;
+                 short _pad2; char target_corner; char min_corner; char max_corner; int _pad3[3]; };''', 'int HAP_power_set(void*, void*);',
+            'typedef union { struct { void *pv; unsigned int len; } buf; struct { int fd; unsigned int offset; } dma; } remote_arg;',
             'void* HAP_mmap(void *addr, int len, int prot, int flags, int fd, long offset);', 'int HAP_munmap(void *addr, int len);',
-            'unsigned long long HAP_perf_get_time_us(void);',
-            'int entry(unsigned long long handle, unsigned int sc, remote_arg* pra) {']
+            'unsigned long long HAP_perf_get_time_us(void);', 'int entry(unsigned long long handle, unsigned int sc, remote_arg* pra) {',
+            'struct dcvs_v2_req req = {.type=7, .dcvs_enable=0, .set_latency=1, .latency=100, .set_dcvs_params=1, .target_corner = 6 /* TURBO */};',
+            'HAP_power_set((void*)handle, (void*)&req);']
     msrc += ['if ((sc>>24) != 2) return 0;']
     msrc += [f'int sz_or_val_{i} = ((int*)pra[0].buf.pv)[{i}];' for i,b in enumerate(bufs)]
     msrc += [f'void *buf_{i} = HAP_mmap(0, sz_or_val_{i}, 3, 0, pra[{i+2}].dma.fd, 0);' for i,b in enumerate(bufs) if isinstance(b[1][0], PtrDType)]