diff options
Diffstat (limited to 'drivers/media/video/pwc/pwc-ctrl.c')
| -rw-r--r-- | drivers/media/video/pwc/pwc-ctrl.c | 1760 |
1 files changed, 0 insertions, 1760 deletions
diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c deleted file mode 100644 index 6b8fbddc074..00000000000 --- a/drivers/media/video/pwc/pwc-ctrl.c +++ /dev/null @@ -1,1760 +0,0 @@ -/* Driver for Philips webcam - Functions that send various control messages to the webcam, including - video modes. - (C) 1999-2003 Nemosoft Unv. - (C) 2004-2006 Luc Saillard (luc@saillard.org) - - NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx - driver and thus may have bugs that are not present in the original version. - Please send bug reports and support requests to <luc@saillard.org>. - - NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx - driver and thus may have bugs that are not present in the original version. - Please send bug reports and support requests to <luc@saillard.org>. - The decompression routines have been implemented by reverse-engineering the - Nemosoft binary pwcx module. Caveat emptor. - - This program 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. - - This program 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 program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -/* - Changes - 2001/08/03 Alvarado Added methods for changing white balance and - red/green gains - */ - -/* Control functions for the cam; brightness, contrast, video mode, etc. */ - -#ifdef __KERNEL__ -#include <asm/uaccess.h> -#endif -#include <asm/errno.h> - -#include "pwc.h" -#include "pwc-uncompress.h" -#include "pwc-kiara.h" -#include "pwc-timon.h" -#include "pwc-dec1.h" -#include "pwc-dec23.h" - -/* Request types: video */ -#define SET_LUM_CTL 0x01 -#define GET_LUM_CTL 0x02 -#define SET_CHROM_CTL 0x03 -#define GET_CHROM_CTL 0x04 -#define SET_STATUS_CTL 0x05 -#define GET_STATUS_CTL 0x06 -#define SET_EP_STREAM_CTL 0x07 -#define GET_EP_STREAM_CTL 0x08 -#define GET_XX_CTL 0x09 -#define SET_XX_CTL 0x0A -#define GET_XY_CTL 0x0B -#define SET_XY_CTL 0x0C -#define SET_MPT_CTL 0x0D -#define GET_MPT_CTL 0x0E - -/* Selectors for the Luminance controls [GS]ET_LUM_CTL */ -#define AGC_MODE_FORMATTER 0x2000 -#define PRESET_AGC_FORMATTER 0x2100 -#define SHUTTER_MODE_FORMATTER 0x2200 -#define PRESET_SHUTTER_FORMATTER 0x2300 -#define PRESET_CONTOUR_FORMATTER 0x2400 -#define AUTO_CONTOUR_FORMATTER 0x2500 -#define BACK_LIGHT_COMPENSATION_FORMATTER 0x2600 -#define CONTRAST_FORMATTER 0x2700 -#define DYNAMIC_NOISE_CONTROL_FORMATTER 0x2800 -#define FLICKERLESS_MODE_FORMATTER 0x2900 -#define AE_CONTROL_SPEED 0x2A00 -#define BRIGHTNESS_FORMATTER 0x2B00 -#define GAMMA_FORMATTER 0x2C00 - -/* Selectors for the Chrominance controls [GS]ET_CHROM_CTL */ -#define WB_MODE_FORMATTER 0x1000 -#define AWB_CONTROL_SPEED_FORMATTER 0x1100 -#define AWB_CONTROL_DELAY_FORMATTER 0x1200 -#define PRESET_MANUAL_RED_GAIN_FORMATTER 0x1300 -#define PRESET_MANUAL_BLUE_GAIN_FORMATTER 0x1400 -#define COLOUR_MODE_FORMATTER 0x1500 -#define SATURATION_MODE_FORMATTER1 0x1600 -#define SATURATION_MODE_FORMATTER2 0x1700 - -/* Selectors for the Status controls [GS]ET_STATUS_CTL */ -#define SAVE_USER_DEFAULTS_FORMATTER 0x0200 -#define RESTORE_USER_DEFAULTS_FORMATTER 0x0300 -#define RESTORE_FACTORY_DEFAULTS_FORMATTER 0x0400 -#define READ_AGC_FORMATTER 0x0500 -#define READ_SHUTTER_FORMATTER 0x0600 -#define READ_RED_GAIN_FORMATTER 0x0700 -#define READ_BLUE_GAIN_FORMATTER 0x0800 -#define GET_STATUS_B00 0x0B00 -#define SENSOR_TYPE_FORMATTER1 0x0C00 -#define GET_STATUS_3000 0x3000 -#define READ_RAW_Y_MEAN_FORMATTER 0x3100 -#define SET_POWER_SAVE_MODE_FORMATTER 0x3200 -#define MIRROR_IMAGE_FORMATTER 0x3300 -#define LED_FORMATTER 0x3400 -#define LOWLIGHT 0x3500 -#define GET_STATUS_3600 0x3600 -#define SENSOR_TYPE_FORMATTER2 0x3700 -#define GET_STATUS_3800 0x3800 -#define GET_STATUS_4000 0x4000 -#define GET_STATUS_4100 0x4100 /* Get */ -#define CTL_STATUS_4200 0x4200 /* [GS] 1 */ - -/* Formatters for the Video Endpoint controls [GS]ET_EP_STREAM_CTL */ -#define VIDEO_OUTPUT_CONTROL_FORMATTER 0x0100 - -/* Formatters for the motorized pan & tilt [GS]ET_MPT_CTL */ -#define PT_RELATIVE_CONTROL_FORMATTER 0x01 -#define PT_RESET_CONTROL_FORMATTER 0x02 -#define PT_STATUS_FORMATTER 0x03 - -static const char *size2name[PSZ_MAX] = -{ - "subQCIF", - "QSIF", - "QCIF", - "SIF", - "CIF", - "VGA", -}; - -/********/ - -/* Entries for the Nala (645/646) camera; the Nala doesn't have compression - preferences, so you either get compressed or non-compressed streams. - - An alternate value of 0 means this mode is not available at all. - */ - -#define PWC_FPS_MAX_NALA 8 - -struct Nala_table_entry { - char alternate; /* USB alternate setting */ - int compressed; /* Compressed yes/no */ - - unsigned char mode[3]; /* precomputed mode table */ -}; - -static unsigned int Nala_fps_vector[PWC_FPS_MAX_NALA] = { 4, 5, 7, 10, 12, 15, 20, 24 }; - -static struct Nala_table_entry Nala_table[PSZ_MAX][PWC_FPS_MAX_NALA] = -{ -#include "pwc-nala.h" -}; - -static void pwc_set_image_buffer_size(struct pwc_device *pdev); - -/****************************************************************************/ - -static int _send_control_msg(struct pwc_device *pdev, - u8 request, u16 value, int index, void *buf, int buflen, int timeout) -{ - int rc; - void *kbuf = NULL; - - if (buflen) { - kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */ - if (kbuf == NULL) - return -ENOMEM; - memcpy(kbuf, buf, buflen); - } - - rc = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0), - request, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - value, - index, - kbuf, buflen, timeout); - - kfree(kbuf); - return rc; -} - -static int recv_control_msg(struct pwc_device *pdev, - u8 request, u16 value, void *buf, int buflen) -{ - int rc; - void *kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */ - - if (kbuf == NULL) - return -ENOMEM; - - rc = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0), - request, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - value, - pdev->vcinterface, - kbuf, buflen, 500); - memcpy(buf, kbuf, buflen); - kfree(kbuf); - return rc; -} - -static inline int send_video_command(struct pwc_device *pdev, - int index, void *buf, int buflen) -{ - return _send_control_msg(pdev, - SET_EP_STREAM_CTL, - VIDEO_OUTPUT_CONTROL_FORMATTER, - index, - buf, buflen, 1000); -} - -static inline int send_control_msg(struct pwc_device *pdev, - u8 request, u16 value, void *buf, int buflen) -{ - return _send_control_msg(pdev, - request, value, pdev->vcinterface, buf, buflen, 500); -} - - - -static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames) -{ - unsigned char buf[3]; - int ret, fps; - struct Nala_table_entry *pEntry; - int frames2frames[31] = - { /* closest match of framerate */ - 0, 0, 0, 0, 4, /* 0-4 */ - 5, 5, 7, 7, 10, /* 5-9 */ - 10, 10, 12, 12, 15, /* 10-14 */ - 15, 15, 15, 20, 20, /* 15-19 */ - 20, 20, 20, 24, 24, /* 20-24 */ - 24, 24, 24, 24, 24, /* 25-29 */ - 24 /* 30 */ - }; - int frames2table[31] = - { 0, 0, 0, 0, 0, /* 0-4 */ - 1, 1, 1, 2, 2, /* 5-9 */ - 3, 3, 4, 4, 4, /* 10-14 */ - 5, 5, 5, 5, 5, /* 15-19 */ - 6, 6, 6, 6, 7, /* 20-24 */ - 7, 7, 7, 7, 7, /* 25-29 */ - 7 /* 30 */ - }; - - if (size < 0 || size > PSZ_CIF || frames < 4 || frames > 25) - return -EINVAL; - frames = frames2frames[frames]; - fps = frames2table[frames]; - pEntry = &Nala_table[size][fps]; - if (pEntry->alternate == 0) - return -EINVAL; - - memcpy(buf, pEntry->mode, 3); - ret = send_video_command(pdev, pdev->vendpoint, buf, 3); - if (ret < 0) { - PWC_DEBUG_MODULE("Failed to send video command... %d\n", ret); - return ret; - } - if (pEntry->compressed && pdev->pixfmt == V4L2_PIX_FMT_YUV420) - pwc_dec1_init(pdev->type, pdev->release, buf, pdev->decompress_data); - - pdev->cmd_len = 3; - memcpy(pdev->cmd_buf, buf, 3); - - /* Set various parameters */ - pdev->vframes = frames; - pdev->vsize = size; - pdev->valternate = pEntry->alternate; - pdev->image = pwc_image_sizes[size]; - pdev->frame_size = (pdev->image.x * pdev->image.y * 3) / 2; - if (pEntry->compressed) { - if (pdev->release < 5) { /* 4 fold compression */ - pdev->vbandlength = 528; - pdev->frame_size /= 4; - } - else { - pdev->vbandlength = 704; - pdev->frame_size /= 3; - } - } - else - pdev->vbandlength = 0; - return 0; -} - - -static int set_video_mode_Timon(struct pwc_device *pdev, int size, int frames, int compression, int snapshot) -{ - unsigned char buf[13]; - const struct Timon_table_entry *pChoose; - int ret, fps; - - if (size >= PSZ_MAX || frames < 5 || frames > 30 || compression < 0 || compression > 3) - return -EINVAL; - if (size == PSZ_VGA && frames > 15) - return -EINVAL; - fps = (frames / 5) - 1; - - /* Find a supported framerate with progressively higher compression ratios - if the preferred ratio is not available. - */ - pChoose = NULL; - while (compression <= 3) { - pChoose = &Timon_table[size][fps][compression]; - if (pChoose->alternate != 0) - break; - compression++; - } - if (pChoose == NULL || pChoose->alternate == 0) - return -ENOENT; /* Not supported. */ - - memcpy(buf, pChoose->mode, 13); - if (snapshot) - buf[0] |= 0x80; - ret = send_video_command(pdev, pdev->vendpoint, buf, 13); - if (ret < 0) - return ret; - - if (pChoose->bandlength > 0 && pdev->pixfmt == V4L2_PIX_FMT_YUV420) - pwc_dec23_init(pdev, pdev->type, buf); - - pdev->cmd_len = 13; - memcpy(pdev->cmd_buf, buf, 13); - - /* Set various parameters */ - pdev->vframes = frames; - pdev->vsize = size; - pdev->vsnapshot = snapshot; - pdev->valternate = pChoose->alternate; - pdev->image = pwc_image_sizes[size]; - pdev->vbandlength = pChoose->bandlength; - if (pChoose->bandlength > 0) - pdev->frame_size = (pChoose->bandlength * pdev->image.y) / 4; - else - pdev->frame_size = (pdev->image.x * pdev->image.y * 12) / 8; - return 0; -} - - -static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int frames, int compression, int snapshot) -{ - const struct Kiara_table_entry *pChoose = NULL; - int fps, ret; - unsigned char buf[12]; - struct Kiara_table_entry RawEntry = {6, 773, 1272, {0xAD, 0xF4, 0x10, 0x27, 0xB6, 0x24, 0x96, 0x02, 0x30, 0x05, 0x03, 0x80}}; - - if (size >= PSZ_MAX || frames < 5 || frames > 30 || compression < 0 || compression > 3) - return -EINVAL; - if (size == PSZ_VGA && frames > 15) - return -EINVAL; - fps = (frames / 5) - 1; - - /* special case: VGA @ 5 fps and snapshot is raw bayer mode */ - if (size == PSZ_VGA && frames == 5 && snapshot && pdev->pixfmt != V4L2_PIX_FMT_YUV420) - { - /* Only available in case the raw palette is selected or - we have the decompressor available. This mode is - only available in compressed form - */ - PWC_DEBUG_SIZE("Choosing VGA/5 BAYER mode.\n"); - pChoose = &RawEntry; - } - else - { - /* Find a supported framerate with progressively higher compression ratios - if the preferred ratio is not available. - Skip this step when using RAW modes. - */ - snapshot = 0; - while (compression <= 3) { - pChoose = &Kiara_table[size][fps][compression]; - if (pChoose->alternate != 0) - break; - compression++; - } - } - if (pChoose == NULL || pChoose->alternate == 0) - return -ENOENT; /* Not supported. */ - - PWC_TRACE("Using alternate setting %d.\n", pChoose->alternate); - - /* usb_control_msg won't take staticly allocated arrays as argument?? */ - memcpy(buf, pChoose->mode, 12); - if (snapshot) - buf[0] |= 0x80; - - /* Firmware bug: video endpoint is 5, but commands are sent to endpoint 4 */ - ret = send_video_command(pdev, 4 /* pdev->vendpoint */, buf, 12); - if (ret < 0) - return ret; - - if (pChoose->bandlength > 0 && pdev->pixfmt == V4L2_PIX_FMT_YUV420) - pwc_dec23_init(pdev, pdev->type, buf); - - pdev->cmd_len = 12; - memcpy(pdev->cmd_buf, buf, 12); - /* All set and go */ - pdev->vframes = frames; - pdev->vsize = size; - pdev->vsnapshot = snapshot; - pdev->valternate = pChoose->alternate; - pdev->image = pwc_image_sizes[size]; - pdev->vbandlength = pChoose->bandlength; - if (pdev->vbandlength > 0) - pdev->frame_size = (pdev->vbandlength * pdev->image.y) / 4; - else - pdev->frame_size = (pdev->image.x * pdev->image.y * 12) / 8; - PWC_TRACE("frame_size=%d, vframes=%d, vsize=%d, vsnapshot=%d, vbandlength=%d\n", - pdev->frame_size,pdev->vframes,pdev->vsize,pdev->vsnapshot,pdev->vbandlength); - return 0; -} - - - -/** - @pdev: device structure - @width: viewport width - @height: viewport height - @frame: framerate, in fps - @compression: preferred compression ratio - @snapshot: snapshot mode or streaming - */ -int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot) -{ - int ret, size; - - PWC_DEBUG_FLOW("set_video_mode(%dx%d @ %d, pixfmt %08x).\n", width, height, frames, pdev->pixfmt); - size = pwc_decode_size(pdev, width, height); - if (size < 0) { - PWC_DEBUG_MODULE("Could not find suitable size.\n"); - return -ERANGE; - } - PWC_TRACE("decode_size = %d.\n", size); - - if (DEVICE_USE_CODEC1(pdev->type)) { - ret = set_video_mode_Nala(pdev, size, frames); - - } else if (DEVICE_USE_CODEC3(pdev->type)) { - ret = set_video_mode_Kiara(pdev, size, frames, compression, snapshot); - - } else { - ret = set_video_mode_Timon(pdev, size, frames, compression, snapshot); - } - if (ret < 0) { - PWC_ERROR("Failed to set video mode %s@%d fps; return code = %d\n", size2name[size], frames, ret); - return ret; - } - pdev->view.x = width; - pdev->view.y = height; - pdev->frame_total_size = pdev->frame_size + pdev->frame_header_size + pdev->frame_trailer_size; - pwc_set_image_buffer_size(pdev); - PWC_DEBUG_SIZE("Set viewport to %dx%d, image size is %dx%d.\n", width, height, pwc_image_sizes[size].x, pwc_image_sizes[size].y); - return 0; -} - -static unsigned int pwc_get_fps_Nala(struct pwc_device *pdev, unsigned int index, unsigned int size) -{ - unsigned int i; - - for (i = 0; i < PWC_FPS_MAX_NALA; i++) { - if (Nala_table[size][i].alternate) { - if (index--==0) return Nala_fps_vector[i]; - } - } - return 0; -} - -static unsigned int pwc_get_fps_Kiara(struct pwc_device *pdev, unsigned int index, unsigned int size) -{ - unsigned int i; - - for (i = 0; i < PWC_FPS_MAX_KIARA; i++) { - if (Kiara_table[size][i][3].alternate) { - if (index--==0) return Kiara_fps_vector[i]; - } - } - return 0; -} - -static unsigned int pwc_get_fps_Timon(struct pwc_device *pdev, unsigned int index, unsigned int size) -{ - unsigned int i; - - for (i=0; i < PWC_FPS_MAX_TIMON; i++) { - if (Timon_table[size][i][3].alternate) { - if (index--==0) return Timon_fps_vector[i]; - } - } - return 0; -} - -unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size) -{ - unsigned int ret; - - if (DEVICE_USE_CODEC1(pdev->type)) { - ret = pwc_get_fps_Nala(pdev, index, size); - - } else if (DEVICE_USE_CODEC3(pdev->type)) { - ret = pwc_get_fps_Kiara(pdev, index, size); - - } else { - ret = pwc_get_fps_Timon(pdev, index, size); - } - - return ret; -} - -#define BLACK_Y 0 -#define BLACK_U 128 -#define BLACK_V 128 - -static void pwc_set_image_buffer_size(struct pwc_device *pdev) -{ - int i, factor = 0; - - /* for V4L2_PIX_FMT_YUV420 */ - switch (pdev->pixfmt) { - case V4L2_PIX_FMT_YUV420: - factor = 6; - break; - case V4L2_PIX_FMT_PWC1: - case V4L2_PIX_FMT_PWC2: - factor = 6; /* can be uncompressed YUV420P */ - break; - } - - /* Set sizes in bytes */ - pdev->image.size = pdev->image.x * pdev->image.y * factor / 4; - pdev->view.size = pdev->view.x * pdev->view.y * factor / 4; - - /* Align offset, or you'll get some very weird results in - YUV420 mode... x must be multiple of 4 (to get the Y's in - place), and y even (or you'll mixup U & V). This is less of a - problem for YUV420P. - */ - pdev->offset.x = ((pdev->view.x - pdev->image.x) / 2) & 0xFFFC; - pdev->offset.y = ((pdev->view.y - pdev->image.y) / 2) & 0xFFFE; - - /* Fill buffers with black colors */ - for (i = 0; i < pwc_mbufs; i++) { - unsigned char *p = pdev->image_data + pdev->images[i].offset; - memset(p, BLACK_Y, pdev->view.x * pdev->view.y); - p += pdev->view.x * pdev->view.y; - memset(p, BLACK_U, pdev->view.x * pdev->view.y/4); - p += pdev->view.x * pdev->view.y/4; - memset(p, BLACK_V, pdev->view.x * pdev->view.y/4); - } -} - - - -/* BRIGHTNESS */ - -int pwc_get_brightness(struct pwc_device *pdev) -{ - char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - return buf; -} - -int pwc_set_brightness(struct pwc_device *pdev, int value) -{ - char buf; - - if (value < 0) - value = 0; - if (value > 0xffff) - value = 0xffff; - buf = (value >> 9) & 0x7f; - return send_control_msg(pdev, - SET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf)); -} - -/* CONTRAST */ - -int pwc_get_contrast(struct pwc_device *pdev) -{ - char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - return buf; -} - -int pwc_set_contrast(struct pwc_device *pdev, int value) -{ - char buf; - - if (value < 0) - value = 0; - if (value > 0xffff) - value = 0xffff; - buf = (value >> 10) & 0x3f; - return send_control_msg(pdev, - SET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf)); -} - -/* GAMMA */ - -int pwc_get_gamma(struct pwc_device *pdev) -{ - char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - return buf; -} - -int pwc_set_gamma(struct pwc_device *pdev, int value) -{ - char buf; - - if (value < 0) - value = 0; - if (value > 0xffff) - value = 0xffff; - buf = (value >> 11) & 0x1f; - return send_control_msg(pdev, - SET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf)); -} - - -/* SATURATION */ - -/* return a value between [-100 , 100] */ -int pwc_get_saturation(struct pwc_device *pdev, int *value) -{ - char buf; - int ret, saturation_register; - - if (pdev->type < 675) - return -EINVAL; - if (pdev->type < 730) - saturation_register = SATURATION_MODE_FORMATTER2; - else - saturation_register = SATURATION_MODE_FORMATTER1; - ret = recv_control_msg(pdev, - GET_CHROM_CTL, saturation_register, &buf, sizeof(buf)); - if (ret < 0) - return ret; - *value = (signed)buf; - return 0; -} - -/* @param value saturation color between [-100 , 100] */ -int pwc_set_saturation(struct pwc_device *pdev, int value) -{ - char buf; - int saturation_register; - - if (pdev->type < 675) - return -EINVAL; - if (value < -100) - value = -100; - if (value > 100) - value = 100; - if (pdev->type < 730) - saturation_register = SATURATION_MODE_FORMATTER2; - else - saturation_register = SATURATION_MODE_FORMATTER1; - return send_control_msg(pdev, - SET_CHROM_CTL, saturation_register, &buf, sizeof(buf)); -} - -/* AGC */ - -int pwc_set_agc(struct pwc_device *pdev, int mode, int value) -{ - char buf; - int ret; - - if (mode) - buf = 0x0; /* auto */ - else - buf = 0xff; /* fixed */ - - ret = send_control_msg(pdev, - SET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf)); - - if (!mode && ret >= 0) { - if (value < 0) - value = 0; - if (value > 0xffff) - value = 0xffff; - buf = (value >> 10) & 0x3F; - ret = send_control_msg(pdev, - SET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf)); - } - if (ret < 0) - return ret; - return 0; -} - -int pwc_get_agc(struct pwc_device *pdev, int *value) -{ - unsigned char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - - if (buf != 0) { /* fixed */ - ret = recv_control_msg(pdev, - GET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - if (buf > 0x3F) - buf = 0x3F; - *value = (buf << 10); - } - else { /* auto */ - ret = recv_control_msg(pdev, - GET_STATUS_CTL, READ_AGC_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - /* Gah... this value ranges from 0x00 ... 0x9F */ - if (buf > 0x9F) - buf = 0x9F; - *value = -(48 + buf * 409); - } - - return 0; -} - -int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value) -{ - char buf[2]; - int speed, ret; - - - if (mode) - buf[0] = 0x0; /* auto */ - else - buf[0] = 0xff; /* fixed */ - - ret = send_control_msg(pdev, - SET_LUM_CTL, SHUTTER_MODE_FORMATTER, &buf, 1); - - if (!mode && ret >= 0) { - if (value < 0) - value = 0; - if (value > 0xffff) - value = 0xffff; - - if (DEVICE_USE_CODEC2(pdev->type)) { - /* speed ranges from 0x0 to 0x290 (656) */ - speed = (value / 100); - buf[1] = speed >> 8; - buf[0] = speed & 0xff; - } else if (DEVICE_USE_CODEC3(pdev->type)) { - /* speed seems to range from 0x0 to 0xff */ - buf[1] = 0; - buf[0] = value >> 8; - } - - ret = send_control_msg(pdev, - SET_LUM_CTL, PRESET_SHUTTER_FORMATTER, - &buf, sizeof(buf)); - } - return ret; -} - -/* This function is not exported to v4l1, so output values between 0 -> 256 */ -int pwc_get_shutter_speed(struct pwc_device *pdev, int *value) -{ - unsigned char buf[2]; - int ret; - - ret = recv_control_msg(pdev, - GET_STATUS_CTL, READ_SHUTTER_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - *value = buf[0] + (buf[1] << 8); - if (DEVICE_USE_CODEC2(pdev->type)) { - /* speed ranges from 0x0 to 0x290 (656) */ - *value *= 256/656; - } else if (DEVICE_USE_CODEC3(pdev->type)) { - /* speed seems to range from 0x0 to 0xff */ - } - return 0; -} - - -/* POWER */ - -int pwc_camera_power(struct pwc_device *pdev, int power) -{ - char buf; - - if (pdev->type < 675 || (pdev->type < 730 && pdev->release < 6)) - return 0; /* Not supported by Nala or Timon < release 6 */ - - if (power) - buf = 0x00; /* active */ - else - buf = 0xFF; /* power save */ - return send_control_msg(pdev, - SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER, - &buf, sizeof(buf)); -} - - - -/* private calls */ - -int pwc_restore_user(struct pwc_device *pdev) -{ - return send_control_msg(pdev, - SET_STATUS_CTL, RESTORE_USER_DEFAULTS_FORMATTER, NULL, 0); -} - -int pwc_save_user(struct pwc_device *pdev) -{ - return send_control_msg(pdev, - SET_STATUS_CTL, SAVE_USER_DEFAULTS_FORMATTER, NULL, 0); -} - -int pwc_restore_factory(struct pwc_device *pdev) -{ - return send_control_msg(pdev, - SET_STATUS_CTL, RESTORE_FACTORY_DEFAULTS_FORMATTER, NULL, 0); -} - - /* ************************************************* */ - /* Patch by Alvarado: (not in the original version */ - - /* - * the camera recognizes modes from 0 to 4: - * - * 00: indoor (incandescant lighting) - * 01: outdoor (sunlight) - * 02: fluorescent lighting - * 03: manual - * 04: auto - */ -int pwc_set_awb(struct pwc_device *pdev, int mode) -{ - char buf; - int ret; - - if (mode < 0) - mode = 0; - - if (mode > 4) - mode = 4; - - buf = mode & 0x07; /* just the lowest three bits */ - - ret = send_control_msg(pdev, - SET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf)); - - if (ret < 0) - return ret; - return 0; -} - -int pwc_get_awb(struct pwc_device *pdev) -{ - unsigned char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf)); - - if (ret < 0) - return ret; - return buf; -} - -int pwc_set_red_gain(struct pwc_device *pdev, int value) -{ - unsigned char buf; - - if (value < 0) - value = 0; - if (value > 0xffff) - value = 0xffff; - /* only the msb is considered */ - buf = value >> 8; - return send_control_msg(pdev, - SET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, - &buf, sizeof(buf)); -} - -int pwc_get_red_gain(struct pwc_device *pdev, int *value) -{ - unsigned char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, - &buf, sizeof(buf)); - if (ret < 0) - return ret; - *value = buf << 8; - return 0; -} - - -int pwc_set_blue_gain(struct pwc_device *pdev, int value) -{ - unsigned char buf; - - if (value < 0) - value = 0; - if (value > 0xffff) - value = 0xffff; - /* only the msb is considered */ - buf = value >> 8; - return send_control_msg(pdev, - SET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, - &buf, sizeof(buf)); -} - -int pwc_get_blue_gain(struct pwc_device *pdev, int *value) -{ - unsigned char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, - &buf, sizeof(buf)); - if (ret < 0) - return ret; - *value = buf << 8; - return 0; -} - - -/* The following two functions are different, since they only read the - internal red/blue gains, which may be different from the manual - gains set or read above. - */ -static int pwc_read_red_gain(struct pwc_device *pdev, int *value) -{ - unsigned char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - *value = buf << 8; - return 0; -} - -static int pwc_read_blue_gain(struct pwc_device *pdev, int *value) -{ - unsigned char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - *value = buf << 8; - return 0; -} - - -static int pwc_set_wb_speed(struct pwc_device *pdev, int speed) -{ - unsigned char buf; - - /* useful range is 0x01..0x20 */ - buf = speed / 0x7f0; - return send_control_msg(pdev, - SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf)); -} - -static int pwc_get_wb_speed(struct pwc_device *pdev, int *value) -{ - unsigned char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - *value = buf * 0x7f0; - return 0; -} - - -static int pwc_set_wb_delay(struct pwc_device *pdev, int delay) -{ - unsigned char buf; - - /* useful range is 0x01..0x3F */ - buf = (delay >> 10); - return send_control_msg(pdev, - SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf)); -} - -static int pwc_get_wb_delay(struct pwc_device *pdev, int *value) -{ - unsigned char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - *value = buf << 10; - return 0; -} - - -int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value) -{ - unsigned char buf[2]; - - if (pdev->type < 730) - return 0; - on_value /= 100; - off_value /= 100; - if (on_value < 0) - on_value = 0; - if (on_value > 0xff) - on_value = 0xff; - if (off_value < 0) - off_value = 0; - if (off_value > 0xff) - off_value = 0xff; - - buf[0] = on_value; - buf[1] = off_value; - - return send_control_msg(pdev, - SET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf)); -} - -static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value) -{ - unsigned char buf[2]; - int ret; - - if (pdev->type < 730) { - *on_value = -1; - *off_value = -1; - return 0; - } - - ret = recv_control_msg(pdev, - GET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - *on_value = buf[0] * 100; - *off_value = buf[1] * 100; - return 0; -} - -int pwc_set_contour(struct pwc_device *pdev, int contour) -{ - unsigned char buf; - int ret; - - if (contour < 0) - buf = 0xff; /* auto contour on */ - else - buf = 0x0; /* auto contour off */ - ret = send_control_msg(pdev, - SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - - if (contour < 0) - return 0; - if (contour > 0xffff) - contour = 0xffff; - - buf = (contour >> 10); /* contour preset is [0..3f] */ - ret = send_control_msg(pdev, - SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - return 0; -} - -int pwc_get_contour(struct pwc_device *pdev, int *contour) -{ - unsigned char buf; - int ret; - - ret = recv_control_msg(pdev, - GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - - if (buf == 0) { - /* auto mode off, query current preset value */ - ret = recv_control_msg(pdev, - GET_LUM_CTL, PRESET_CONTOUR_FORMATTER, - &buf, sizeof(buf)); - if (ret < 0) - return ret; - *contour = buf << 10; - } - else - *contour = -1; - return 0; -} - - -int pwc_set_backlight(struct pwc_device *pdev, int backlight) -{ - unsigned char buf; - - if (backlight) - buf = 0xff; - else - buf = 0x0; - return send_control_msg(pdev, - SET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, - &buf, sizeof(buf)); -} - -int pwc_get_backlight(struct pwc_device *pdev, int *backlight) -{ - int ret; - unsigned char buf; - - ret = recv_control_msg(pdev, - GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, - &buf, sizeof(buf)); - if (ret < 0) - return ret; - *backlight = !!buf; - return 0; -} - -int pwc_set_colour_mode(struct pwc_device *pdev, int colour) -{ - unsigned char buf; - - if (colour) - buf = 0xff; - else - buf = 0x0; - return send_control_msg(pdev, - SET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf)); -} - -int pwc_get_colour_mode(struct pwc_device *pdev, int *colour) -{ - int ret; - unsigned char buf; - - ret = recv_control_msg(pdev, - GET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - *colour = !!buf; - return 0; -} - - -int pwc_set_flicker(struct pwc_device *pdev, int flicker) -{ - unsigned char buf; - - if (flicker) - buf = 0xff; - else - buf = 0x0; - return send_control_msg(pdev, - SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf)); -} - -int pwc_get_flicker(struct pwc_device *pdev, int *flicker) -{ - int ret; - unsigned char buf; - - ret = recv_control_msg(pdev, - GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - *flicker = !!buf; - return 0; -} - -int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise) -{ - unsigned char buf; - - if (noise < 0) - noise = 0; - if (noise > 3) - noise = 3; - buf = noise; - return send_control_msg(pdev, - SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, - &buf, sizeof(buf)); -} - -int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise) -{ - int ret; - unsigned char buf; - - ret = recv_control_msg(pdev, - GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, - &buf, sizeof(buf)); - if (ret < 0) - return ret; - *noise = buf; - return 0; -} - -static int _pwc_mpt_reset(struct pwc_device *pdev, int flags) -{ - unsigned char buf; - - buf = flags & 0x03; // only lower two bits are currently used - return send_control_msg(pdev, - SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, &buf, sizeof(buf)); -} - -int pwc_mpt_reset(struct pwc_device *pdev, int flags) -{ - int ret; - ret = _pwc_mpt_reset(pdev, flags); - if (ret >= 0) { - pdev->pan_angle = 0; - pdev->tilt_angle = 0; - } - return ret; -} - -static int _pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt) -{ - unsigned char buf[4]; - - /* set new relative angle; angles are expressed in degrees * 100, - but cam as .5 degree resolution, hence divide by 200. Also - the angle must be multiplied by 64 before it's send to - the cam (??) - */ - pan = 64 * pan / 100; - tilt = -64 * tilt / 100; /* positive tilt is down, which is not what the user would expect */ - buf[0] = pan & 0xFF; - buf[1] = (pan >> 8) & 0xFF; - buf[2] = tilt & 0xFF; - buf[3] = (tilt >> 8) & 0xFF; - return send_control_msg(pdev, - SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, &buf, sizeof(buf)); -} - -int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt) -{ - int ret; - - /* check absolute ranges */ - if (pan < pdev->angle_range.pan_min || - pan > pdev->angle_range.pan_max || - tilt < pdev->angle_range.tilt_min || - tilt > pdev->angle_range.tilt_max) - return -ERANGE; - - /* go to relative range, check again */ - pan -= pdev->pan_angle; - tilt -= pdev->tilt_angle; - /* angles are specified in degrees * 100, thus the limit = 36000 */ - if (pan < -36000 || pan > 36000 || tilt < -36000 || tilt > 36000) - return -ERANGE; - - ret = _pwc_mpt_set_angle(pdev, pan, tilt); - if (ret >= 0) { - pdev->pan_angle += pan; - pdev->tilt_angle += tilt; - } - if (ret == -EPIPE) /* stall -> out of range */ - ret = -ERANGE; - return ret; -} - -static int pwc_mpt_get_status(struct pwc_device *pdev, struct pwc_mpt_status *status) -{ - int ret; - unsigned char buf[5]; - - ret = recv_control_msg(pdev, - GET_MPT_CTL, PT_STATUS_FORMATTER, &buf, sizeof(buf)); - if (ret < 0) - return ret; - status->status = buf[0] & 0x7; // 3 bits are used for reporting - status->time_pan = (buf[1] << 8) + buf[2]; - status->time_tilt = (buf[3] << 8) + buf[4]; - return 0; -} - - -int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor) -{ - unsigned char buf; - int ret = -1, request; - - if (pdev->type < 675) - request = SENSOR_TYPE_FORMATTER1; - else if (pdev->type < 730) - return -1; /* The Vesta series doesn't have this call */ - else - request = SENSOR_TYPE_FORMATTER2; - - ret = recv_control_msg(pdev, - GET_STATUS_CTL, request, &buf, sizeof(buf)); - if (ret < 0) - return ret; - if (pdev->type < 675) - *sensor = buf | 0x100; - else - *sensor = buf; - return 0; -} - - - /* End of Add-Ons */ - /* ************************************************* */ - -/* Linux 2.5.something and 2.6 pass direct pointers to arguments of - ioctl() calls. With 2.4, you have to do tedious copy_from_user() - and copy_to_user() calls. With these macros we circumvent this, - and let me maintain only one source file. The functionality is - exactly the same otherwise. - */ - -/* define local variable for arg */ -#define ARG_DEF(ARG_type, ARG_name)\ - ARG_type *ARG_name = arg; -/* copy arg to local variable */ -#define ARG_IN(ARG_name) /* nothing */ -/* argument itself (referenced) */ -#define ARGR(ARG_name) (*ARG_name) -/* argument address */ -#define ARGA(ARG_name) ARG_name -/* copy local variable to arg */ -#define ARG_OUT(ARG_name) /* nothing */ - -long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) -{ - long ret = 0; - - switch(cmd) { - case VIDIOCPWCRUSER: - { - if (pwc_restore_user(pdev)) - ret = -EINVAL; - break; - } - - case VIDIOCPWCSUSER: - { - if (pwc_save_user(pdev)) - ret = -EINVAL; - break; - } - - case VIDIOCPWCFACTORY: - { - if (pwc_restore_factory(pdev)) - ret = -EINVAL; - break; - } - - case VIDIOCPWCSCQUAL: - { - ARG_DEF(int, qual) - - ARG_IN(qual) - if (ARGR(qual) < 0 || ARGR(qual) > 3) - ret = -EINVAL; - else - ret = pwc_try_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, ARGR(qual), pdev->vsnapshot); - if (ret >= 0) - pdev->vcompression = ARGR(qual); - break; - } - - case VIDIOCPWCGCQUAL: - { - ARG_DEF(int, qual) - - ARGR(qual) = pdev->vcompression; - ARG_OUT(qual) - break; - } - - case VIDIOCPWCPROBE: - { - ARG_DEF(struct pwc_probe, probe) - - strcpy(ARGR(probe).name, pdev->vdev->name); - ARGR(probe).type = pdev->type; - ARG_OUT(probe) - break; - } - - case VIDIOCPWCGSERIAL: - { - ARG_DEF(struct pwc_serial, serial) - - strcpy(ARGR(serial).serial, pdev->serial); - ARG_OUT(serial) - break; - } - - case VIDIOCPWCSAGC: - { - ARG_DEF(int, agc) - - ARG_IN(agc) - if (pwc_set_agc(pdev, ARGR(agc) < 0 ? 1 : 0, ARGR(agc))) - ret = -EINVAL; - break; - } - - case VIDIOCPWCGAGC: - { - ARG_DEF(int, agc) - - if (pwc_get_agc(pdev, ARGA(agc))) - ret = -EINVAL; - ARG_OUT(agc) - break; - } - - case VIDIOCPWCSSHUTTER: - { - ARG_DEF(int, shutter_speed) - - ARG_IN(shutter_speed) - ret = pwc_set_shutter_speed(pdev, ARGR(shutter_speed) < 0 ? 1 : 0, ARGR(shutter_speed)); - break; - } - - case VIDIOCPWCSAWB: - { - ARG_DEF(struct pwc_whitebalance, wb) - - ARG_IN(wb) - ret = pwc_set_awb(pdev, ARGR(wb).mode); - if (ret >= 0 && ARGR(wb).mode == PWC_WB_MANUAL) { - pwc_set_red_gain(pdev, ARGR(wb).manual_red); - pwc_set_blue_gain(pdev, ARGR(wb).manual_blue); - } - break; - } - - case VIDIOCPWCGAWB: - { - ARG_DEF(struct pwc_whitebalance, wb) - - memset(ARGA(wb), 0, sizeof(struct pwc_whitebalance)); - ARGR(wb).mode = pwc_get_awb(pdev); - if (ARGR(wb).mode < 0) - ret = -EINVAL; - else { - if (ARGR(wb).mode == PWC_WB_MANUAL) { - ret = pwc_get_red_gain(pdev, &ARGR(wb).manual_red); - if (ret < 0) - break; - ret = pwc_get_blue_gain(pdev, &ARGR(wb).manual_blue); - if (ret < 0) - break; - } - if (ARGR(wb).mode == PWC_WB_AUTO) { - ret = pwc_read_red_gain(pdev, &ARGR(wb).read_red); - if (ret < 0) - break; - ret = pwc_read_blue_gain(pdev, &ARGR(wb).read_blue); - if (ret < 0) - break; - } - } - ARG_OUT(wb) - break; - } - - case VIDIOCPWCSAWBSPEED: - { - ARG_DEF(struct pwc_wb_speed, wbs) - - if (ARGR(wbs).control_speed > 0) { - ret = pwc_set_wb_speed(pdev, ARGR(wbs).control_speed); - } - if (ARGR(wbs).control_delay > 0) { - ret = pwc_set_wb_delay(pdev, ARGR(wbs).control_delay); - } - break; - } - - case VIDIOCPWCGAWBSPEED: - { - ARG_DEF(struct pwc_wb_speed, wbs) - - ret = pwc_get_wb_speed(pdev, &ARGR(wbs).control_speed); - if (ret < 0) - break; - ret = pwc_get_wb_delay(pdev, &ARGR(wbs).control_delay); - if (ret < 0) - break; - ARG_OUT(wbs) - break; - } - - case VIDIOCPWCSLED: - { - ARG_DEF(struct pwc_leds, leds) - - ARG_IN(leds) - ret = pwc_set_leds(pdev, ARGR(leds).led_on, ARGR(leds).led_off); - break; - } - - - case VIDIOCPWCGLED: - { - ARG_DEF(struct pwc_leds, leds) - - ret = pwc_get_leds(pdev, &ARGR(leds).led_on, &ARGR(leds).led_off); - ARG_OUT(leds) - break; - } - - case VIDIOCPWCSCONTOUR: - { - ARG_DEF(int, contour) - - ARG_IN(contour) - ret = pwc_set_contour(pdev, ARGR(contour)); - break; - } - - case VIDIOCPWCGCONTOUR: - { - ARG_DEF(int, contour) - - ret = pwc_get_contour(pdev, ARGA(contour)); - ARG_OUT(contour) - break; - } - - case VIDIOCPWCSBACKLIGHT: - { - ARG_DEF(int, backlight) - - ARG_IN(backlight) - ret = pwc_set_backlight(pdev, ARGR(backlight)); - break; - } - - case VIDIOCPWCGBACKLIGHT: - { - ARG_DEF(int, backlight) - - ret = pwc_get_backlight(pdev, ARGA(backlight)); - ARG_OUT(backlight) - break; - } - - case VIDIOCPWCSFLICKER: - { - ARG_DEF(int, flicker) - - ARG_IN(flicker) - ret = pwc_set_flicker(pdev, ARGR(flicker)); - break; - } - - case VIDIOCPWCGFLICKER: - { - ARG_DEF(int, flicker) - - ret = pwc_get_flicker(pdev, ARGA(flicker)); - ARG_OUT(flicker) - break; - } - - case VIDIOCPWCSDYNNOISE: - { - ARG_DEF(int, dynnoise) - - ARG_IN(dynnoise) - ret = pwc_set_dynamic_noise(pdev, ARGR(dynnoise)); - break; - } - - case VIDIOCPWCGDYNNOISE: - { - ARG_DEF(int, dynnoise) - - ret = pwc_get_dynamic_noise(pdev, ARGA(dynnoise)); - ARG_OUT(dynnoise); - break; - } - - case VIDIOCPWCGREALSIZE: - { - ARG_DEF(struct pwc_imagesize, size) - - ARGR(size).width = pdev->image.x; - ARGR(size).height = pdev->image.y; - ARG_OUT(size) - break; - } - - case VIDIOCPWCMPTRESET: - { - if (pdev->features & FEATURE_MOTOR_PANTILT) - { - ARG_DEF(int, flags) - - ARG_IN(flags) - ret = pwc_mpt_reset(pdev, ARGR(flags)); - } - else - { - ret = -ENXIO; - } - break; - } - - case VIDIOCPWCMPTGRANGE: - { - if (pdev->features & FEATURE_MOTOR_PANTILT) - { - ARG_DEF(struct pwc_mpt_range, range) - - ARGR(range) = pdev->angle_range; - ARG_OUT(range) - } - else - { - ret = -ENXIO; - } - break; - } - - case VIDIOCPWCMPTSANGLE: - { - int new_pan, new_tilt; - - if (pdev->features & FEATURE_MOTOR_PANTILT) - { - ARG_DEF(struct pwc_mpt_angles, angles) - - ARG_IN(angles) - /* The camera can only set relative angles, so - do some calculations when getting an absolute angle . - */ - if (ARGR(angles).absolute) - { - new_pan = ARGR(angles).pan; - new_tilt = ARGR(angles).tilt; - } - else - { - new_pan = pdev->pan_angle + ARGR(angles).pan; - new_tilt = pdev->tilt_angle + ARGR(angles).tilt; - } - ret = pwc_mpt_set_angle(pdev, new_pan, new_tilt); - } - else - { - ret = -ENXIO; - } - break; - } - - case VIDIOCPWCMPTGANGLE: - { - - if (pdev->features & FEATURE_MOTOR_PANTILT) - { - ARG_DEF(struct pwc_mpt_angles, angles) - - ARGR(angles).absolute = 1; - ARGR(angles).pan = pdev->pan_angle; - ARGR(angles).tilt = pdev->tilt_angle; - ARG_OUT(angles) - } - else - { - ret = -ENXIO; - } - break; - } - - case VIDIOCPWCMPTSTATUS: - { - if (pdev->features & FEATURE_MOTOR_PANTILT) - { - ARG_DEF(struct pwc_mpt_status, status) - - ret = pwc_mpt_get_status(pdev, ARGA(status)); - ARG_OUT(status) - } - else - { - ret = -ENXIO; - } - break; - } - - case VIDIOCPWCGVIDCMD: - { - ARG_DEF(struct pwc_video_command, vcmd); - - ARGR(vcmd).type = pdev->type; - ARGR(vcmd).release = pdev->release; - ARGR(vcmd).command_len = pdev->cmd_len; - memcpy(&ARGR(vcmd).command_buf, pdev->cmd_buf, pdev->cmd_len); - ARGR(vcmd).bandlength = pdev->vbandlength; - ARGR(vcmd).frame_size = pdev->frame_size; - ARG_OUT(vcmd) - break; - } - /* - case VIDIOCPWCGVIDTABLE: - { - ARG_DEF(struct pwc_table_init_buffer, table); - ARGR(table).len = pdev->cmd_len; - memcpy(&ARGR(table).buffer, pdev->decompress_data, pdev->decompressor->table_size); - ARG_OUT(table) - break; - } - */ - - default: - ret = -ENOIOCTLCMD; - break; - } - - if (ret > 0) - return 0; - return ret; -} - - -/* vim: set cinoptions= formatoptions=croql cindent shiftwidth=8 tabstop=8: */ |