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-rw-r--r--drivers/media/video/videodev.c245
-rw-r--r--include/media/v4l2-dev.h4
2 files changed, 70 insertions, 179 deletions
diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 31e8af0ba278..67a661cf5219 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -51,12 +51,51 @@
51#define VIDEO_NUM_DEVICES 256 51#define VIDEO_NUM_DEVICES 256
52#define VIDEO_NAME "video4linux" 52#define VIDEO_NAME "video4linux"
53 53
54struct std_descr {
55 v4l2_std_id std;
56 const char *descr;
57};
58
59static const struct std_descr standards[] = {
60 { V4L2_STD_NTSC, "NTSC" },
61 { V4L2_STD_NTSC_M, "NTSC-M" },
62 { V4L2_STD_NTSC_M_JP, "NTSC-M-JP" },
63 { V4L2_STD_NTSC_M_KR, "NTSC-M-KR" },
64 { V4L2_STD_NTSC_443, "NTSC-443" },
65 { V4L2_STD_PAL, "PAL" },
66 { V4L2_STD_PAL_BG, "PAL-BG" },
67 { V4L2_STD_PAL_B, "PAL-B" },
68 { V4L2_STD_PAL_B1, "PAL-B1" },
69 { V4L2_STD_PAL_G, "PAL-G" },
70 { V4L2_STD_PAL_H, "PAL-H" },
71 { V4L2_STD_PAL_I, "PAL-I" },
72 { V4L2_STD_PAL_DK, "PAL-DK" },
73 { V4L2_STD_PAL_D, "PAL-D" },
74 { V4L2_STD_PAL_D1, "PAL-D1" },
75 { V4L2_STD_PAL_K, "PAL-K" },
76 { V4L2_STD_PAL_M, "PAL-M" },
77 { V4L2_STD_PAL_N, "PAL-N" },
78 { V4L2_STD_PAL_Nc, "PAL-Nc" },
79 { V4L2_STD_PAL_60, "PAL-60" },
80 { V4L2_STD_SECAM, "SECAM" },
81 { V4L2_STD_SECAM_B, "SECAM-B" },
82 { V4L2_STD_SECAM_G, "SECAM-G" },
83 { V4L2_STD_SECAM_H, "SECAM-H" },
84 { V4L2_STD_SECAM_DK, "SECAM-DK" },
85 { V4L2_STD_SECAM_D, "SECAM-D" },
86 { V4L2_STD_SECAM_K, "SECAM-K" },
87 { V4L2_STD_SECAM_K1, "SECAM-K1" },
88 { V4L2_STD_SECAM_L, "SECAM-L" },
89 { V4L2_STD_SECAM_LC, "SECAM-Lc" },
90 { 0, "Unknown" }
91};
92
54/* video4linux standard ID conversion to standard name 93/* video4linux standard ID conversion to standard name
55 */ 94 */
56char *v4l2_norm_to_name(v4l2_std_id id) 95const char *v4l2_norm_to_name(v4l2_std_id id)
57{ 96{
58 char *name;
59 u32 myid = id; 97 u32 myid = id;
98 int i;
60 99
61 /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle 100 /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle
62 64 bit comparations. So, on that architecture, with some gcc 101 64 bit comparations. So, on that architecture, with some gcc
@@ -64,110 +103,17 @@ char *v4l2_norm_to_name(v4l2_std_id id)
64 */ 103 */
65 BUG_ON(myid != id); 104 BUG_ON(myid != id);
66 105
67 switch (myid) { 106 for (i = 0; standards[i].std; i++)
68 case V4L2_STD_PAL: 107 if (myid == standards[i].std)
69 name = "PAL"; 108 break;
70 break; 109 return standards[i].descr;
71 case V4L2_STD_PAL_BG:
72 name = "PAL-BG";
73 break;
74 case V4L2_STD_PAL_DK:
75 name = "PAL-DK";
76 break;
77 case V4L2_STD_PAL_B:
78 name = "PAL-B";
79 break;
80 case V4L2_STD_PAL_B1:
81 name = "PAL-B1";
82 break;
83 case V4L2_STD_PAL_G:
84 name = "PAL-G";
85 break;
86 case V4L2_STD_PAL_H:
87 name = "PAL-H";
88 break;
89 case V4L2_STD_PAL_I:
90 name = "PAL-I";
91 break;
92 case V4L2_STD_PAL_D:
93 name = "PAL-D";
94 break;
95 case V4L2_STD_PAL_D1:
96 name = "PAL-D1";
97 break;
98 case V4L2_STD_PAL_K:
99 name = "PAL-K";
100 break;
101 case V4L2_STD_PAL_M:
102 name = "PAL-M";
103 break;
104 case V4L2_STD_PAL_N:
105 name = "PAL-N";
106 break;
107 case V4L2_STD_PAL_Nc:
108 name = "PAL-Nc";
109 break;
110 case V4L2_STD_PAL_60:
111 name = "PAL-60";
112 break;
113 case V4L2_STD_NTSC:
114 name = "NTSC";
115 break;
116 case V4L2_STD_NTSC_M:
117 name = "NTSC-M";
118 break;
119 case V4L2_STD_NTSC_M_JP:
120 name = "NTSC-M-JP";
121 break;
122 case V4L2_STD_NTSC_443:
123 name = "NTSC-443";
124 break;
125 case V4L2_STD_NTSC_M_KR:
126 name = "NTSC-M-KR";
127 break;
128 case V4L2_STD_SECAM:
129 name = "SECAM";
130 break;
131 case V4L2_STD_SECAM_DK:
132 name = "SECAM-DK";
133 break;
134 case V4L2_STD_SECAM_B:
135 name = "SECAM-B";
136 break;
137 case V4L2_STD_SECAM_D:
138 name = "SECAM-D";
139 break;
140 case V4L2_STD_SECAM_G:
141 name = "SECAM-G";
142 break;
143 case V4L2_STD_SECAM_H:
144 name = "SECAM-H";
145 break;
146 case V4L2_STD_SECAM_K:
147 name = "SECAM-K";
148 break;
149 case V4L2_STD_SECAM_K1:
150 name = "SECAM-K1";
151 break;
152 case V4L2_STD_SECAM_L:
153 name = "SECAM-L";
154 break;
155 case V4L2_STD_SECAM_LC:
156 name = "SECAM-LC";
157 break;
158 default:
159 name = "Unknown";
160 break;
161 }
162
163 return name;
164} 110}
165EXPORT_SYMBOL(v4l2_norm_to_name); 111EXPORT_SYMBOL(v4l2_norm_to_name);
166 112
167/* Fill in the fields of a v4l2_standard structure according to the 113/* Fill in the fields of a v4l2_standard structure according to the
168 'id' and 'transmission' parameters. Returns negative on error. */ 114 'id' and 'transmission' parameters. Returns negative on error. */
169int v4l2_video_std_construct(struct v4l2_standard *vs, 115int v4l2_video_std_construct(struct v4l2_standard *vs,
170 int id, char *name) 116 int id, const char *name)
171{ 117{
172 u32 index = vs->index; 118 u32 index = vs->index;
173 119
@@ -1218,95 +1164,40 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
1218 case VIDIOC_ENUMSTD: 1164 case VIDIOC_ENUMSTD:
1219 { 1165 {
1220 struct v4l2_standard *p = arg; 1166 struct v4l2_standard *p = arg;
1221 v4l2_std_id id = vfd->tvnorms,curr_id=0; 1167 v4l2_std_id id = vfd->tvnorms, curr_id = 0;
1222 unsigned int index = p->index,i; 1168 unsigned int index = p->index, i, j = 0;
1223 1169 const char *descr = "";
1224 if (index<0) { 1170
1225 ret=-EINVAL; 1171 /* Return norm array in a canonical way */
1226 break; 1172 for (i = 0; i <= index && id; i++) {
1227 } 1173 /* last std value in the standards array is 0, so this
1228 1174 while always ends there since (id & 0) == 0. */
1229 /* Return norm array on a canonical way */ 1175 while ((id & standards[j].std) != standards[j].std)
1230 for (i=0;i<= index && id; i++) { 1176 j++;
1231 if ( (id & V4L2_STD_PAL) == V4L2_STD_PAL) { 1177 curr_id = standards[j].std;
1232 curr_id = V4L2_STD_PAL; 1178 descr = standards[j].descr;
1233 } else if ( (id & V4L2_STD_PAL_BG) == V4L2_STD_PAL_BG) { 1179 j++;
1234 curr_id = V4L2_STD_PAL_BG; 1180 if (curr_id == 0)
1235 } else if ( (id & V4L2_STD_PAL_DK) == V4L2_STD_PAL_DK) {
1236 curr_id = V4L2_STD_PAL_DK;
1237 } else if ( (id & V4L2_STD_PAL_B) == V4L2_STD_PAL_B) {
1238 curr_id = V4L2_STD_PAL_B;
1239 } else if ( (id & V4L2_STD_PAL_B1) == V4L2_STD_PAL_B1) {
1240 curr_id = V4L2_STD_PAL_B1;
1241 } else if ( (id & V4L2_STD_PAL_G) == V4L2_STD_PAL_G) {
1242 curr_id = V4L2_STD_PAL_G;
1243 } else if ( (id & V4L2_STD_PAL_H) == V4L2_STD_PAL_H) {
1244 curr_id = V4L2_STD_PAL_H;
1245 } else if ( (id & V4L2_STD_PAL_I) == V4L2_STD_PAL_I) {
1246 curr_id = V4L2_STD_PAL_I;
1247 } else if ( (id & V4L2_STD_PAL_D) == V4L2_STD_PAL_D) {
1248 curr_id = V4L2_STD_PAL_D;
1249 } else if ( (id & V4L2_STD_PAL_D1) == V4L2_STD_PAL_D1) {
1250 curr_id = V4L2_STD_PAL_D1;
1251 } else if ( (id & V4L2_STD_PAL_K) == V4L2_STD_PAL_K) {
1252 curr_id = V4L2_STD_PAL_K;
1253 } else if ( (id & V4L2_STD_PAL_M) == V4L2_STD_PAL_M) {
1254 curr_id = V4L2_STD_PAL_M;
1255 } else if ( (id & V4L2_STD_PAL_N) == V4L2_STD_PAL_N) {
1256 curr_id = V4L2_STD_PAL_N;
1257 } else if ( (id & V4L2_STD_PAL_Nc) == V4L2_STD_PAL_Nc) {
1258 curr_id = V4L2_STD_PAL_Nc;
1259 } else if ( (id & V4L2_STD_PAL_60) == V4L2_STD_PAL_60) {
1260 curr_id = V4L2_STD_PAL_60;
1261 } else if ( (id & V4L2_STD_NTSC) == V4L2_STD_NTSC) {
1262 curr_id = V4L2_STD_NTSC;
1263 } else if ( (id & V4L2_STD_NTSC_M) == V4L2_STD_NTSC_M) {
1264 curr_id = V4L2_STD_NTSC_M;
1265 } else if ( (id & V4L2_STD_NTSC_M_JP) == V4L2_STD_NTSC_M_JP) {
1266 curr_id = V4L2_STD_NTSC_M_JP;
1267 } else if ( (id & V4L2_STD_NTSC_443) == V4L2_STD_NTSC_443) {
1268 curr_id = V4L2_STD_NTSC_443;
1269 } else if ( (id & V4L2_STD_NTSC_M_KR) == V4L2_STD_NTSC_M_KR) {
1270 curr_id = V4L2_STD_NTSC_M_KR;
1271 } else if ( (id & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
1272 curr_id = V4L2_STD_SECAM;
1273 } else if ( (id & V4L2_STD_SECAM_DK) == V4L2_STD_SECAM_DK) {
1274 curr_id = V4L2_STD_SECAM_DK;
1275 } else if ( (id & V4L2_STD_SECAM_B) == V4L2_STD_SECAM_B) {
1276 curr_id = V4L2_STD_SECAM_B;
1277 } else if ( (id & V4L2_STD_SECAM_D) == V4L2_STD_SECAM_D) {
1278 curr_id = V4L2_STD_SECAM_D;
1279 } else if ( (id & V4L2_STD_SECAM_G) == V4L2_STD_SECAM_G) {
1280 curr_id = V4L2_STD_SECAM_G;
1281 } else if ( (id & V4L2_STD_SECAM_H) == V4L2_STD_SECAM_H) {
1282 curr_id = V4L2_STD_SECAM_H;
1283 } else if ( (id & V4L2_STD_SECAM_K) == V4L2_STD_SECAM_K) {
1284 curr_id = V4L2_STD_SECAM_K;
1285 } else if ( (id & V4L2_STD_SECAM_K1) == V4L2_STD_SECAM_K1) {
1286 curr_id = V4L2_STD_SECAM_K1;
1287 } else if ( (id & V4L2_STD_SECAM_L) == V4L2_STD_SECAM_L) {
1288 curr_id = V4L2_STD_SECAM_L;
1289 } else if ( (id & V4L2_STD_SECAM_LC) == V4L2_STD_SECAM_LC) {
1290 curr_id = V4L2_STD_SECAM_LC;
1291 } else {
1292 break; 1181 break;
1293 } 1182 if (curr_id != V4L2_STD_PAL &&
1294 id &= ~curr_id; 1183 curr_id != V4L2_STD_SECAM &&
1184 curr_id != V4L2_STD_NTSC)
1185 id &= ~curr_id;
1295 } 1186 }
1296 if (i<=index) 1187 if (i <= index)
1297 return -EINVAL; 1188 return -EINVAL;
1298 1189
1299 v4l2_video_std_construct(p, curr_id,v4l2_norm_to_name(curr_id)); 1190 v4l2_video_std_construct(p, curr_id, descr);
1300 p->index = index; 1191 p->index = index;
1301 1192
1302 dbgarg (cmd, "index=%d, id=%Ld, name=%s, fps=%d/%d, " 1193 dbgarg(cmd, "index=%d, id=%Ld, name=%s, fps=%d/%d, "
1303 "framelines=%d\n", p->index, 1194 "framelines=%d\n", p->index,
1304 (unsigned long long)p->id, p->name, 1195 (unsigned long long)p->id, p->name,
1305 p->frameperiod.numerator, 1196 p->frameperiod.numerator,
1306 p->frameperiod.denominator, 1197 p->frameperiod.denominator,
1307 p->framelines); 1198 p->framelines);
1308 1199
1309 ret=0; 1200 ret = 0;
1310 break; 1201 break;
1311 } 1202 }
1312 case VIDIOC_G_STD: 1203 case VIDIOC_G_STD:
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 33f01ae08f76..859f7a6f6f67 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -40,9 +40,9 @@
40#define VFL_TYPE_VTX 3 40#define VFL_TYPE_VTX 3
41 41
42/* Video standard functions */ 42/* Video standard functions */
43extern char *v4l2_norm_to_name(v4l2_std_id id); 43extern const char *v4l2_norm_to_name(v4l2_std_id id);
44extern int v4l2_video_std_construct(struct v4l2_standard *vs, 44extern int v4l2_video_std_construct(struct v4l2_standard *vs,
45 int id, char *name); 45 int id, const char *name);
46/* Prints the ioctl in a human-readable format */ 46/* Prints the ioctl in a human-readable format */
47extern void v4l_printk_ioctl(unsigned int cmd); 47extern void v4l_printk_ioctl(unsigned int cmd);
48 48
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-27 01:52:04 -0500