/* 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) (C) 2011 Hans de Goede 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 . 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 . 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 #endif #include #include "pwc.h" #include "pwc-kiara.h" #include "pwc-timon.h" #include "pwc-dec1.h" #include "pwc-dec23.h" /* Selectors for status controls used only in this file */ #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 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 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, USB_CTRL_SET_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, USB_CTRL_GET_TIMEOUT); memcpy(buf, kbuf, buflen); kfree(kbuf); if (rc < 0) PWC_ERROR("recv_control_msg error %d req %02x val %04x\n", rc, request, value); 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); } 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); } 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) { ret = pwc_dec1_init(pdev, pdev->type, pdev->release, buf); if (ret < 0) return ret; } 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) { ret = pwc_dec23_init(pdev, pdev->type, buf); if (ret < 0) return ret; } 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) { ret = pwc_dec23_init(pdev, pdev->type, buf); if (ret < 0) return ret; } 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->vcompression = compression; 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; } static void pwc_set_image_buffer_size(struct pwc_device *pdev) { int 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; } int pwc_get_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data) { int ret; u8 buf; ret = recv_control_msg(pdev, request, value, &buf, sizeof(buf)); if (ret < 0) return ret; *data = buf; return 0; } int pwc_set_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, u8 data) { int ret; ret = send_control_msg(pdev, request, value, &data, sizeof(data)); if (ret < 0) return ret; return 0; } int pwc_get_s8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data) { int ret; s8 buf; ret = recv_control_msg(pdev, request, value, &buf, sizeof(buf)); if (ret < 0) return ret; *data = buf; return 0; } int pwc_get_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data) { int ret; u8 buf[2]; ret = recv_control_msg(pdev, request, value, buf, sizeof(buf)); if (ret < 0) return ret; *data = (buf[1] << 8) | buf[0]; return 0; } int pwc_set_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, u16 data) { int ret; u8 buf[2]; buf[0] = data & 0xff; buf[1] = data >> 8; ret = send_control_msg(pdev, request, value, buf, sizeof(buf)); if (ret < 0) return ret; return 0; } int pwc_button_ctrl(struct pwc_device *pdev, u16 value) { int ret; ret = send_control_msg(pdev, SET_STATUS_CTL, value, NULL, 0); if (ret < 0) return ret; return 0; } /* POWER */ void pwc_camera_power(struct pwc_device *pdev, int power) { char buf; int r; if (!pdev->power_save) return; if (pdev->type < 675 || (pdev->type < 730 && pdev->release < 6)) return; /* Not supported by Nala or Timon < release 6 */ if (power) buf = 0x00; /* active */ else buf = 0xFF; /* power save */ r = send_control_msg(pdev, SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER, &buf, sizeof(buf)); if (r < 0) PWC_ERROR("Failed to power %s camera (%d)\n", power ? "on" : "off", r); } 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]; int r; 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; r = send_control_msg(pdev, SET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf)); if (r < 0) PWC_ERROR("Failed to set LED on/off time (%d)\n", r); return r; } 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; } 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; } #ifdef CONFIG_USB_PWC_DEBUG 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; } #endif /* 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 */ /* * Our ctrls use native values, but the old custom pwc ioctl interface expects * values from 0 - 65535, define 2 helper functions to scale things. */ static int pwc_ioctl_g_ctrl(struct v4l2_ctrl *ctrl) { return v4l2_ctrl_g_ctrl(ctrl) * 65535 / ctrl->maximum; } static int pwc_ioctl_s_ctrl(struct v4l2_ctrl *ctrl, int val) { return v4l2_ctrl_s_ctrl(ctrl, val * ctrl->maximum / 65535); } long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) { long ret = 0; switch(cmd) { case VIDIOCPWCRUSER: ret = pwc_button_ctrl(pdev, RESTORE_USER_DEFAULTS_FORMATTER); break; case VIDIOCPWCSUSER: ret = pwc_button_ctrl(pdev, SAVE_USER_DEFAULTS_FORMATTER); break; case VIDIOCPWCFACTORY: ret = pwc_button_ctrl(pdev, RESTORE_FACTORY_DEFAULTS_FORMATTER); break; case VIDIOCPWCSCQUAL: { ARG_DEF(int, qual) if (vb2_is_streaming(&pdev->vb_queue)) { ret = -EBUSY; break; } ARG_IN(qual) if (ARGR(qual) < 0 || ARGR(qual) > 3) ret = -EINVAL; else ret = pwc_set_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, ARGR(qual), pdev->vsnapshot); 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) ret = v4l2_ctrl_s_ctrl(pdev->autogain, ARGR(agc) < 0); if (ret == 0 && ARGR(agc) >= 0) ret = pwc_ioctl_s_ctrl(pdev->gain, ARGR(agc)); break; } case VIDIOCPWCGAGC: { ARG_DEF(int, agc) if (v4l2_ctrl_g_ctrl(pdev->autogain)) ARGR(agc) = -1; else ARGR(agc) = pwc_ioctl_g_ctrl(pdev->gain); ARG_OUT(agc) break; } case VIDIOCPWCSSHUTTER: { ARG_DEF(int, shutter) ARG_IN(shutter) ret = v4l2_ctrl_s_ctrl(pdev->exposure_auto, /* Menu idx 0 = auto, idx 1 = manual */ ARGR(shutter) >= 0); if (ret == 0 && ARGR(shutter) >= 0) ret = pwc_ioctl_s_ctrl(pdev->exposure, ARGR(shutter)); break; } case VIDIOCPWCSAWB: { ARG_DEF(struct pwc_whitebalance, wb) ARG_IN(wb) ret = v4l2_ctrl_s_ctrl(pdev->auto_white_balance, ARGR(wb).mode); if (ret == 0 && ARGR(wb).mode == PWC_WB_MANUAL) ret = pwc_ioctl_s_ctrl(pdev->red_balance, ARGR(wb).manual_red); if (ret == 0 && ARGR(wb).mode == PWC_WB_MANUAL) ret = pwc_ioctl_s_ctrl(pdev->blue_balance, ARGR(wb).manual_blue); break; } case VIDIOCPWCGAWB: { ARG_DEF(struct pwc_whitebalance, wb) ARGR(wb).mode = v4l2_ctrl_g_ctrl(pdev->auto_white_balance); ARGR(wb).manual_red = ARGR(wb).read_red = pwc_ioctl_g_ctrl(pdev->red_balance); ARGR(wb).manual_blue = ARGR(wb).read_blue = pwc_ioctl_g_ctrl(pdev->blue_balance); 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 = v4l2_ctrl_s_ctrl(pdev->autocontour, ARGR(contour) < 0); if (ret == 0 && ARGR(contour) >= 0) ret = pwc_ioctl_s_ctrl(pdev->contour, ARGR(contour)); break; } case VIDIOCPWCGCONTOUR: { ARG_DEF(int, contour) if (v4l2_ctrl_g_ctrl(pdev->autocontour)) ARGR(contour) = -1; else ARGR(contour) = pwc_ioctl_g_ctrl(pdev->contour); ARG_OUT(contour) break; } case VIDIOCPWCSBACKLIGHT: { ARG_DEF(int, backlight) ARG_IN(backlight) ret = v4l2_ctrl_s_ctrl(pdev->backlight, ARGR(backlight)); break; } case VIDIOCPWCGBACKLIGHT: { ARG_DEF(int, backlight) ARGR(backlight) = v4l2_ctrl_g_ctrl(pdev->backlight); ARG_OUT(backlight) break; } case VIDIOCPWCSFLICKER: { ARG_DEF(int, flicker) ARG_IN(flicker) ret = v4l2_ctrl_s_ctrl(pdev->flicker, ARGR(flicker)); break; } case VIDIOCPWCGFLICKER: { ARG_DEF(int, flicker) ARGR(flicker) = v4l2_ctrl_g_ctrl(pdev->flicker); ARG_OUT(flicker) break; } case VIDIOCPWCSDYNNOISE: { ARG_DEF(int, dynnoise) ARG_IN(dynnoise) ret = v4l2_ctrl_s_ctrl(pdev->noise_reduction, ARGR(dynnoise)); break; } case VIDIOCPWCGDYNNOISE: { ARG_DEF(int, dynnoise) ARGR(dynnoise) = v4l2_ctrl_g_ctrl(pdev->noise_reduction); 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: */