diff options
Diffstat (limited to 'drivers/staging/easycap/easycap_settings.c')
| -rw-r--r-- | drivers/staging/easycap/easycap_settings.c | 489 |
1 files changed, 489 insertions, 0 deletions
diff --git a/drivers/staging/easycap/easycap_settings.c b/drivers/staging/easycap/easycap_settings.c new file mode 100644 index 000000000000..38d94051241d --- /dev/null +++ b/drivers/staging/easycap/easycap_settings.c @@ -0,0 +1,489 @@ +/****************************************************************************** +* * +* easycap_settings.c * +* * +******************************************************************************/ +/* + * + * Copyright (C) 2010 R.M. Thomas <rmthomas@sciolus.org> + * + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * The software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this software; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * +*/ +/*****************************************************************************/ + +#include "easycap.h" +#include "easycap_debug.h" + +/*---------------------------------------------------------------------------*/ +/* + * THE LEAST SIGNIFICANT BIT OF easycap_standard.mask HAS MEANING: + * 0 => 25 fps + * 1 => 30 fps + */ +/*---------------------------------------------------------------------------*/ +const struct easycap_standard easycap_standard[] = { +{ +.mask = 0x000F & PAL_BGHIN , +.v4l2_standard = { + .index = PAL_BGHIN, + .id = (V4L2_STD_PAL_B | V4L2_STD_PAL_G | V4L2_STD_PAL_H | \ + V4L2_STD_PAL_I | V4L2_STD_PAL_N), + .name = "PAL_BGHIN", + .frameperiod = {1, 25}, + .framelines = 625, + .reserved = {0, 0, 0, 0} + } +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.mask = 0x000F & NTSC_N_443 , +.v4l2_standard = { + .index = NTSC_N_443, + .id = V4L2_STD_UNKNOWN, + .name = "NTSC_N_443", + .frameperiod = {1, 25}, + .framelines = 480, + .reserved = {0, 0, 0, 0} +} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.mask = 0x000F & PAL_Nc , +.v4l2_standard = { + .index = PAL_Nc, + .id = V4L2_STD_PAL_Nc, + .name = "PAL_Nc", + .frameperiod = {1, 25}, + .framelines = 625, + .reserved = {0, 0, 0, 0} +} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.mask = 0x000F & NTSC_N , +.v4l2_standard = { + .index = NTSC_N, + .id = V4L2_STD_UNKNOWN, + .name = "NTSC_N", + .frameperiod = {1, 25}, + .framelines = 525, + .reserved = {0, 0, 0, 0} +} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.mask = 0x000F & SECAM , +.v4l2_standard = { + .index = SECAM, + .id = V4L2_STD_SECAM, + .name = "SECAM", + .frameperiod = {1, 25}, + .framelines = 625, + .reserved = {0, 0, 0, 0} +} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.mask = 0x000F & NTSC_M , +.v4l2_standard = { + .index = NTSC_M, + .id = V4L2_STD_NTSC_M, + .name = "NTSC_M", + .frameperiod = {1, 30}, + .framelines = 525, + .reserved = {0, 0, 0, 0} +} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.mask = 0x000F & NTSC_M_JP , +.v4l2_standard = { + .index = NTSC_M_JP, + .id = V4L2_STD_NTSC_M_JP, + .name = "NTSC_M_JP", + .frameperiod = {1, 30}, + .framelines = 525, + .reserved = {0, 0, 0, 0} +} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.mask = 0x000F & PAL_60 , +.v4l2_standard = { + .index = PAL_60, + .id = V4L2_STD_PAL_60, + .name = "PAL_60", + .frameperiod = {1, 30}, + .framelines = 525, + .reserved = {0, 0, 0, 0} +} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.mask = 0x000F & NTSC_443 , +.v4l2_standard = { + .index = NTSC_443, + .id = V4L2_STD_NTSC_443, + .name = "NTSC_443", + .frameperiod = {1, 30}, + .framelines = 525, + .reserved = {0, 0, 0, 0} +} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.mask = 0x000F & PAL_M , +.v4l2_standard = { + .index = PAL_M, + .id = V4L2_STD_PAL_M, + .name = "PAL_M", + .frameperiod = {1, 30}, + .framelines = 525, + .reserved = {0, 0, 0, 0} +} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.mask = 0xFFFF +} +}; +/*---------------------------------------------------------------------------*/ +/* + * THE 16-BIT easycap_format.mask HAS MEANING: + * (least significant) BIT 0: 0 => PAL, 25 FPS; 1 => NTSC, 30 FPS + * BITS 1-3: RESERVED FOR DIFFERENTIATING STANDARDS + * BITS 4-7: NUMBER OF BYTES PER PIXEL + * BIT 8: 0 => NATIVE BYTE ORDER; 1 => SWAPPED + * BITS 9-10: RESERVED FOR OTHER BYTE PERMUTATIONS + * BIT 11: 0 => UNDECIMATED; 1 => DECIMATED + * BIT 12: 0 => OFFER FRAMES; 1 => OFFER FIELDS + * (most significant) BITS 13-15: RESERVED FOR OTHER FIELD ORDER OPTIONS + * IT FOLLOWS THAT: + * bytesperpixel IS ((0x00F0 & easycap_format.mask) >> 4) + * byteswaporder IS true IF (0 != (0x0100 & easycap_format.mask)) + * + * decimatepixel IS true IF (0 != (0x0800 & easycap_format.mask)) + * + * offerfields IS true IF (0 != (0x1000 & easycap_format.mask)) + */ +/*---------------------------------------------------------------------------*/ + +struct easycap_format easycap_format[1 + SETTINGS_MANY]; + +int +fillin_formats(void) +{ +int i, j, k, m, n; +__u32 width, height, pixelformat, bytesperline, sizeimage; +__u32 field, colorspace; +__u16 mask1, mask2, mask3, mask4; +char name1[32], name2[32], name3[32], name4[32]; + +for (i = 0, n = 0; i < STANDARD_MANY; i++) { + mask1 = 0x0000; + switch (i) { + case PAL_BGHIN: { + mask1 = PAL_BGHIN; + strcpy(&name1[0], "PAL_BGHIN"); + colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; + break; + } + case SECAM: { + mask1 = SECAM; + strcpy(&name1[0], "SECAM"); + colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; + break; + } + case PAL_Nc: { + mask1 = PAL_Nc; + strcpy(&name1[0], "PAL_Nc"); + colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; + break; + } + case PAL_60: { + mask1 = PAL_60; + strcpy(&name1[0], "PAL_60"); + colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; + break; + } + case PAL_M: { + mask1 = PAL_M; + strcpy(&name1[0], "PAL_M"); + colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; + break; + } + case NTSC_M: { + mask1 = NTSC_M; + strcpy(&name1[0], "NTSC_M"); + colorspace = V4L2_COLORSPACE_470_SYSTEM_M; + break; + } + case NTSC_443: { + mask1 = NTSC_443; + strcpy(&name1[0], "NTSC_443"); + colorspace = V4L2_COLORSPACE_470_SYSTEM_M; + break; + } + case NTSC_M_JP: { + mask1 = NTSC_M_JP; + strcpy(&name1[0], "NTSC_M_JP"); + colorspace = V4L2_COLORSPACE_470_SYSTEM_M; + break; + } + case NTSC_N: { + mask1 = NTSC_M; + strcpy(&name1[0], "NTSC_N"); + colorspace = V4L2_COLORSPACE_470_SYSTEM_M; + break; + } + case NTSC_N_443: { + mask1 = NTSC_N_443; + strcpy(&name1[0], "NTSC_N_443"); + colorspace = V4L2_COLORSPACE_470_SYSTEM_M; + break; + } + default: + return -1; + } + + for (j = 0; j < RESOLUTION_MANY; j++) { + mask2 = 0x0000; + switch (j) { + case AT_720x576: { + if (0x1 & mask1) + continue; + strcpy(&name2[0], "_AT_720x576"); + width = 720; height = 576; break; + } + case AT_704x576: { + if (0x1 & mask1) + continue; + strcpy(&name2[0], "_AT_704x576"); + width = 704; height = 576; break; + } + case AT_640x480: { + strcpy(&name2[0], "_AT_640x480"); + width = 640; height = 480; break; + } + case AT_720x480: { + if (!(0x1 & mask1)) + continue; + strcpy(&name2[0], "_AT_720x480"); + width = 720; height = 480; break; + } + case AT_360x288: { + if (0x1 & mask1) + continue; + strcpy(&name2[0], "_AT_360x288"); + width = 360; height = 288; mask2 = 0x0800; break; + } + case AT_320x240: { + strcpy(&name2[0], "_AT_320x240"); + width = 320; height = 240; mask2 = 0x0800; break; + } + case AT_360x240: { + if (!(0x1 & mask1)) + continue; + strcpy(&name2[0], "_AT_360x240"); + width = 360; height = 240; mask2 = 0x0800; break; + } + default: + return -2; + } + + for (k = 0; k < PIXELFORMAT_MANY; k++) { + mask3 = 0x0000; + switch (k) { + case FMT_UYVY: { + strcpy(&name3[0], "_" STRINGIZE(FMT_UYVY)); + pixelformat = V4L2_PIX_FMT_UYVY; + mask3 |= (0x02 << 4); + break; + } + case FMT_YUY2: { + strcpy(&name3[0], "_" STRINGIZE(FMT_YUY2)); + pixelformat = V4L2_PIX_FMT_YUYV; + mask3 |= (0x02 << 4); + mask3 |= 0x0100; + break; + } + case FMT_RGB24: { + strcpy(&name3[0], "_" STRINGIZE(FMT_RGB24)); + pixelformat = V4L2_PIX_FMT_RGB24; + mask3 |= (0x03 << 4); + break; + } + case FMT_RGB32: { + strcpy(&name3[0], "_" STRINGIZE(FMT_RGB32)); + pixelformat = V4L2_PIX_FMT_RGB32; + mask3 |= (0x04 << 4); + break; + } + case FMT_BGR24: { + strcpy(&name3[0], "_" STRINGIZE(FMT_BGR24)); + pixelformat = V4L2_PIX_FMT_BGR24; + mask3 |= (0x03 << 4); + mask3 |= 0x0100; + break; + } + case FMT_BGR32: { + strcpy(&name3[0], "_" STRINGIZE(FMT_BGR32)); + pixelformat = V4L2_PIX_FMT_BGR32; + mask3 |= (0x04 << 4); + mask3 |= 0x0100; + break; + } + default: + return -3; + } + bytesperline = width * ((mask3 & 0x00F0) >> 4); + sizeimage = bytesperline * height; + + for (m = 0; m < INTERLACE_MANY; m++) { + mask4 = 0x0000; + switch (m) { + case FIELD_NONE: { + strcpy(&name4[0], "-n"); + field = V4L2_FIELD_NONE; + break; + } + case FIELD_INTERLACED: { + strcpy(&name4[0], "-i"); + field = V4L2_FIELD_INTERLACED; + break; + } + case FIELD_ALTERNATE: { + strcpy(&name4[0], "-a"); + mask4 |= 0x1000; + field = V4L2_FIELD_ALTERNATE; + break; + } + default: + return -4; + } + if (SETTINGS_MANY <= n) + return -5; + strcpy(&easycap_format[n].name[0], &name1[0]); + strcat(&easycap_format[n].name[0], &name2[0]); + strcat(&easycap_format[n].name[0], &name3[0]); + strcat(&easycap_format[n].name[0], &name4[0]); + easycap_format[n].mask = \ + mask1 | mask2 | mask3 | mask4; + easycap_format[n].v4l2_format\ + .type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + easycap_format[n].v4l2_format\ + .fmt.pix.width = width; + easycap_format[n].v4l2_format\ + .fmt.pix.height = height; + easycap_format[n].v4l2_format\ + .fmt.pix.pixelformat = pixelformat; + easycap_format[n].v4l2_format\ + .fmt.pix.field = field; + easycap_format[n].v4l2_format\ + .fmt.pix.bytesperline = bytesperline; + easycap_format[n].v4l2_format\ + .fmt.pix.sizeimage = sizeimage; + easycap_format[n].v4l2_format\ + .fmt.pix.colorspace = colorspace; + easycap_format[n].v4l2_format\ + .fmt.pix.priv = 0; + n++; + } + } + } +} +if ((1 + SETTINGS_MANY) <= n) + return -6; +easycap_format[n].mask = 0xFFFF; +return n; +} +/*---------------------------------------------------------------------------*/ +struct v4l2_queryctrl easycap_control[] = \ + {{ +.id = V4L2_CID_BRIGHTNESS, +.type = V4L2_CTRL_TYPE_INTEGER, +.name = "Brightness", +.minimum = 0, +.maximum = 255, +.step = 1, +.default_value = SAA_0A_DEFAULT, +.flags = 0, +.reserved = {0, 0} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.id = V4L2_CID_CONTRAST, +.type = V4L2_CTRL_TYPE_INTEGER, +.name = "Contrast", +.minimum = 0, +.maximum = 255, +.step = 1, +.default_value = SAA_0B_DEFAULT + 128, +.flags = 0, +.reserved = {0, 0} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.id = V4L2_CID_SATURATION, +.type = V4L2_CTRL_TYPE_INTEGER, +.name = "Saturation", +.minimum = 0, +.maximum = 255, +.step = 1, +.default_value = SAA_0C_DEFAULT + 128, +.flags = 0, +.reserved = {0, 0} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.id = V4L2_CID_HUE, +.type = V4L2_CTRL_TYPE_INTEGER, +.name = "Hue", +.minimum = 0, +.maximum = 255, +.step = 1, +.default_value = SAA_0D_DEFAULT + 128, +.flags = 0, +.reserved = {0, 0} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.id = V4L2_CID_AUDIO_VOLUME, +.type = V4L2_CTRL_TYPE_INTEGER, +.name = "Volume", +.minimum = 0, +.maximum = 31, +.step = 1, +.default_value = 16, +.flags = 0, +.reserved = {0, 0} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.id = V4L2_CID_AUDIO_MUTE, +.type = V4L2_CTRL_TYPE_BOOLEAN, +.name = "Mute", +.default_value = true, +.flags = 0, +.reserved = {0, 0} +}, +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ +{ +.id = 0xFFFFFFFF +} + }; +/*****************************************************************************/ |