Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include "pvrusb2-std.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include "pvrusb2-debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <asm/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) struct std_name {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 	v4l2_std_id id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #define CSTD_PAL \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	(V4L2_STD_PAL_B| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	 V4L2_STD_PAL_B1| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 	 V4L2_STD_PAL_G| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	 V4L2_STD_PAL_H| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	 V4L2_STD_PAL_I| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	 V4L2_STD_PAL_D| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	 V4L2_STD_PAL_D1| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	 V4L2_STD_PAL_K| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	 V4L2_STD_PAL_M| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	 V4L2_STD_PAL_N| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	 V4L2_STD_PAL_Nc| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	 V4L2_STD_PAL_60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define CSTD_NTSC \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	(V4L2_STD_NTSC_M| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	 V4L2_STD_NTSC_M_JP| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	 V4L2_STD_NTSC_M_KR| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	 V4L2_STD_NTSC_443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #define CSTD_ATSC \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	(V4L2_STD_ATSC_8_VSB| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	 V4L2_STD_ATSC_16_VSB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) #define CSTD_SECAM \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	(V4L2_STD_SECAM_B| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	 V4L2_STD_SECAM_D| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	 V4L2_STD_SECAM_G| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	 V4L2_STD_SECAM_H| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	 V4L2_STD_SECAM_K| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	 V4L2_STD_SECAM_K1| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	 V4L2_STD_SECAM_L| \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	 V4L2_STD_SECAM_LC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #define TSTD_B   (V4L2_STD_PAL_B|V4L2_STD_SECAM_B)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) #define TSTD_B1  (V4L2_STD_PAL_B1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) #define TSTD_D   (V4L2_STD_PAL_D|V4L2_STD_SECAM_D)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) #define TSTD_D1  (V4L2_STD_PAL_D1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) #define TSTD_G   (V4L2_STD_PAL_G|V4L2_STD_SECAM_G)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) #define TSTD_H   (V4L2_STD_PAL_H|V4L2_STD_SECAM_H)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) #define TSTD_I   (V4L2_STD_PAL_I)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) #define TSTD_K   (V4L2_STD_PAL_K|V4L2_STD_SECAM_K)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) #define TSTD_K1  (V4L2_STD_SECAM_K1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) #define TSTD_L   (V4L2_STD_SECAM_L)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) #define TSTD_M   (V4L2_STD_PAL_M|V4L2_STD_NTSC_M)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) #define TSTD_N   (V4L2_STD_PAL_N)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) #define TSTD_Nc  (V4L2_STD_PAL_Nc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) #define TSTD_60  (V4L2_STD_PAL_60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) #define CSTD_ALL (CSTD_PAL|CSTD_NTSC|CSTD_ATSC|CSTD_SECAM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) /* Mapping of standard bits to color system */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) static const struct std_name std_groups[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	{"PAL",CSTD_PAL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	{"NTSC",CSTD_NTSC},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	{"SECAM",CSTD_SECAM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	{"ATSC",CSTD_ATSC},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) /* Mapping of standard bits to modulation system */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) static const struct std_name std_items[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	{"B",TSTD_B},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	{"B1",TSTD_B1},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	{"D",TSTD_D},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	{"D1",TSTD_D1},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	{"G",TSTD_G},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	{"H",TSTD_H},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	{"I",TSTD_I},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	{"K",TSTD_K},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	{"K1",TSTD_K1},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	{"L",TSTD_L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	{"LC",V4L2_STD_SECAM_LC},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	{"M",TSTD_M},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	{"Mj",V4L2_STD_NTSC_M_JP},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	{"443",V4L2_STD_NTSC_443},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	{"Mk",V4L2_STD_NTSC_M_KR},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	{"N",TSTD_N},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	{"Nc",TSTD_Nc},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	{"60",TSTD_60},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	{"8VSB",V4L2_STD_ATSC_8_VSB},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	{"16VSB",V4L2_STD_ATSC_16_VSB},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) // Search an array of std_name structures and return a pointer to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) // element with the matching name.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static const struct std_name *find_std_name(const struct std_name *arrPtr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 					    unsigned int arrSize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 					    const char *bufPtr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 					    unsigned int bufSize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	unsigned int idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	const struct std_name *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	for (idx = 0; idx < arrSize; idx++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		p = arrPtr + idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		if (strlen(p->name) != bufSize) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		if (!memcmp(bufPtr,p->name,bufSize)) return p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int pvr2_std_str_to_id(v4l2_std_id *idPtr,const char *bufPtr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		       unsigned int bufSize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	v4l2_std_id id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	v4l2_std_id cmsk = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	v4l2_std_id t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	int mMode = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	unsigned int cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	char ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	const struct std_name *sp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	while (bufSize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		if (!mMode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 			cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 			while ((cnt < bufSize) && (bufPtr[cnt] != '-')) cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 			if (cnt >= bufSize) return 0; // No more characters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 			sp = find_std_name(std_groups, ARRAY_SIZE(std_groups),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 					   bufPtr,cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 			if (!sp) return 0; // Illegal color system name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 			cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 			bufPtr += cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 			bufSize -= cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 			mMode = !0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 			cmsk = sp->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		while (cnt < bufSize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 			ch = bufPtr[cnt];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 			if (ch == ';') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 				mMode = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 			if (ch == '/') break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 			cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		sp = find_std_name(std_items, ARRAY_SIZE(std_items),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 				   bufPtr,cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		if (!sp) return 0; // Illegal modulation system ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		t = sp->id & cmsk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		if (!t) return 0; // Specific color + modulation system illegal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		id |= t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		if (cnt < bufSize) cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		bufPtr += cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		bufSize -= cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	if (idPtr) *idPtr = id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	return !0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) unsigned int pvr2_std_id_to_str(char *bufPtr, unsigned int bufSize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 				v4l2_std_id id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	unsigned int idx1,idx2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	const struct std_name *ip,*gp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	int gfl,cfl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	unsigned int c1,c2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	cfl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	c1 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	for (idx1 = 0; idx1 < ARRAY_SIZE(std_groups); idx1++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		gp = std_groups + idx1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		gfl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		for (idx2 = 0; idx2 < ARRAY_SIZE(std_items); idx2++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 			ip = std_items + idx2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 			if (!(gp->id & ip->id & id)) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 			if (!gfl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 				if (cfl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 					c2 = scnprintf(bufPtr,bufSize,";");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 					c1 += c2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 					bufSize -= c2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 					bufPtr += c2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 				cfl = !0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 				c2 = scnprintf(bufPtr,bufSize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 					       "%s-",gp->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 				gfl = !0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 				c2 = scnprintf(bufPtr,bufSize,"/");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 			c1 += c2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 			bufSize -= c2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 			bufPtr += c2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 			c2 = scnprintf(bufPtr,bufSize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 				       ip->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 			c1 += c2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 			bufSize -= c2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 			bufPtr += c2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	return c1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) // Template data for possible enumerated video standards.  Here we group
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) // standards which share common frame rates and resolution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) static struct v4l2_standard generic_standards[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		.id             = (TSTD_B|TSTD_B1|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 				   TSTD_D|TSTD_D1|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 				   TSTD_G|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 				   TSTD_H|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 				   TSTD_I|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 				   TSTD_K|TSTD_K1|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 				   TSTD_L|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 				   V4L2_STD_SECAM_LC |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 				   TSTD_N|TSTD_Nc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		.frameperiod    =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 			.numerator  = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 			.denominator= 25
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		.framelines     = 625,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		.reserved       = {0,0,0,0}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 		.id             = (TSTD_M|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 				   V4L2_STD_NTSC_M_JP|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 				   V4L2_STD_NTSC_M_KR),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		.frameperiod    =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 			.numerator  = 1001,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 			.denominator= 30000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 		.framelines     = 525,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		.reserved       = {0,0,0,0}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	}, { // This is a total wild guess
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 		.id             = (TSTD_60),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		.frameperiod    =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 			.numerator  = 1001,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 			.denominator= 30000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 		.framelines     = 525,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		.reserved       = {0,0,0,0}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	}, { // This is total wild guess
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		.id             = V4L2_STD_NTSC_443,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 		.frameperiod    =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 		{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 			.numerator  = 1001,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 			.denominator= 30000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		.framelines     = 525,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 		.reserved       = {0,0,0,0}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static struct v4l2_standard *match_std(v4l2_std_id id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	unsigned int idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	for (idx = 0; idx < ARRAY_SIZE(generic_standards); idx++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 		if (generic_standards[idx].id & id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 			return generic_standards + idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) static int pvr2_std_fill(struct v4l2_standard *std,v4l2_std_id id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	struct v4l2_standard *template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	int idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	unsigned int bcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	template = match_std(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	if (!template) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	idx = std->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	memcpy(std,template,sizeof(*template));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	std->index = idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	std->id = id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	bcnt = pvr2_std_id_to_str(std->name,sizeof(std->name)-1,id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	std->name[bcnt] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	pvr2_trace(PVR2_TRACE_STD,"Set up standard idx=%u name=%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 		   std->index,std->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	return !0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) /* These are special cases of combined standards that we should enumerate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)    separately if the component pieces are present. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) static v4l2_std_id std_mixes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	V4L2_STD_PAL_B | V4L2_STD_PAL_G,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	V4L2_STD_PAL_D | V4L2_STD_PAL_K,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	V4L2_STD_SECAM_B | V4L2_STD_SECAM_G,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	V4L2_STD_SECAM_D | V4L2_STD_SECAM_K,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 					   v4l2_std_id id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	unsigned int std_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	unsigned int idx,bcnt,idx2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	v4l2_std_id idmsk,cmsk,fmsk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	struct v4l2_standard *stddefs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	if (pvrusb2_debug & PVR2_TRACE_STD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 		char buf[100];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 		bcnt = pvr2_std_id_to_str(buf,sizeof(buf),id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		pvr2_trace(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 			PVR2_TRACE_STD,"Mapping standards mask=0x%x (%.*s)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 			(int)id,bcnt,buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	*countptr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	std_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	fmsk = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	for (idmsk = 1, cmsk = id; cmsk; idmsk <<= 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 		if (!(idmsk & cmsk)) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 		cmsk &= ~idmsk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 		if (match_std(idmsk)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 			std_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 		fmsk |= idmsk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	for (idx2 = 0; idx2 < ARRAY_SIZE(std_mixes); idx2++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 		if ((id & std_mixes[idx2]) == std_mixes[idx2]) std_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	/* Don't complain about ATSC standard values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	fmsk &= ~CSTD_ATSC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	if (fmsk) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 		char buf[100];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 		bcnt = pvr2_std_id_to_str(buf,sizeof(buf),fmsk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 		pvr2_trace(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 			PVR2_TRACE_ERROR_LEGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 			"***WARNING*** Failed to classify the following standard(s): %.*s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 			bcnt,buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	pvr2_trace(PVR2_TRACE_STD,"Setting up %u unique standard(s)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 		   std_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	if (!std_cnt) return NULL; // paranoia
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	stddefs = kcalloc(std_cnt, sizeof(struct v4l2_standard),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 			  GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	if (!stddefs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	for (idx = 0; idx < std_cnt; idx++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 		stddefs[idx].index = idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	/* Enumerate potential special cases */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	for (idx2 = 0; (idx2 < ARRAY_SIZE(std_mixes)) && (idx < std_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	     idx2++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 		if (!(id & std_mixes[idx2])) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 		if (pvr2_std_fill(stddefs+idx,std_mixes[idx2])) idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	/* Now enumerate individual pieces */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	for (idmsk = 1, cmsk = id; cmsk && (idx < std_cnt); idmsk <<= 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 		if (!(idmsk & cmsk)) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 		cmsk &= ~idmsk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 		if (!pvr2_std_fill(stddefs+idx,idmsk)) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 		idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	*countptr = std_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	return stddefs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) v4l2_std_id pvr2_std_get_usable(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	return CSTD_ALL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) }