summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/pwc/pwc-ctrl.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 00:13:22 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 16:25:07 -0300
commit0c0d06cac63ee327ceaab4b5ffe2206574ab86bd (patch)
treee759f0dc3185d97f2a0c6b5cd5e32ea6faa74d40 /drivers/media/video/pwc/pwc-ctrl.c
parent84cfe9e79bd5ac11c963f4841158454fefa872f6 (diff)
downloadlinux-0c0d06cac63ee327ceaab4b5ffe2206574ab86bd.tar.gz
linux-0c0d06cac63ee327ceaab4b5ffe2206574ab86bd.tar.bz2
linux-0c0d06cac63ee327ceaab4b5ffe2206574ab86bd.zip
[media] rename most media/video usb drivers to media/usb
Rename all USB drivers with their own directory under drivers/media/video into drivers/media/usb and update the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/pwc/pwc-ctrl.c')
-rw-r--r--drivers/media/video/pwc/pwc-ctrl.c553
1 files changed, 0 insertions, 553 deletions
diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c
deleted file mode 100644
index 1f506fde97d0..000000000000
--- a/drivers/media/video/pwc/pwc-ctrl.c
+++ /dev/null
@@ -1,553 +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)
- (C) 2011 Hans de Goede <hdegoede@redhat.com>
-
- 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-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 int recv_control_msg(struct pwc_device *pdev,
- u8 request, u16 value, int recv_count)
-{
- int rc;
-
- rc = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
- request,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value, pdev->vcinterface,
- pdev->ctrl_buf, recv_count, USB_CTRL_GET_TIMEOUT);
- 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, const unsigned char *buf, int buflen)
-{
- int rc;
-
- memcpy(pdev->ctrl_buf, buf, buflen);
-
- rc = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
- SET_EP_STREAM_CTL,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- VIDEO_OUTPUT_CONTROL_FORMATTER, index,
- pdev->ctrl_buf, buflen, USB_CTRL_SET_TIMEOUT);
- if (rc >= 0)
- memcpy(pdev->cmd_buf, buf, buflen);
- else
- PWC_ERROR("send_video_command error %d\n", rc);
-
- return rc;
-}
-
-int send_control_msg(struct pwc_device *pdev,
- u8 request, u16 value, void *buf, int buflen)
-{
- return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
- request,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value, pdev->vcinterface,
- buf, buflen, USB_CTRL_SET_TIMEOUT);
-}
-
-static int set_video_mode_Nala(struct pwc_device *pdev, int size, int pixfmt,
- int frames, int *compression, int send_to_cam)
-{
- int fps, ret = 0;
- 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)
- return -EINVAL;
- if (frames < 4)
- frames = 4;
- else if (frames > 25)
- frames = 25;
- frames = frames2frames[frames];
- fps = frames2table[frames];
- pEntry = &Nala_table[size][fps];
- if (pEntry->alternate == 0)
- return -EINVAL;
-
- if (send_to_cam)
- ret = send_video_command(pdev, pdev->vendpoint,
- pEntry->mode, 3);
- if (ret < 0)
- return ret;
-
- if (pEntry->compressed && pixfmt == V4L2_PIX_FMT_YUV420)
- pwc_dec1_init(pdev, pEntry->mode);
-
- /* Set various parameters */
- pdev->pixfmt = pixfmt;
- pdev->vframes = frames;
- pdev->valternate = pEntry->alternate;
- pdev->width = pwc_image_sizes[size][0];
- pdev->height = pwc_image_sizes[size][1];
- pdev->frame_size = (pdev->width * pdev->height * 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;
-
- /* Let pwc-if.c:isoc_init know we don't support higher compression */
- *compression = 3;
-
- return 0;
-}
-
-
-static int set_video_mode_Timon(struct pwc_device *pdev, int size, int pixfmt,
- int frames, int *compression, int send_to_cam)
-{
- const struct Timon_table_entry *pChoose;
- int fps, ret = 0;
-
- if (size >= PSZ_MAX || *compression < 0 || *compression > 3)
- return -EINVAL;
- if (frames < 5)
- frames = 5;
- else if (size == PSZ_VGA && frames > 15)
- frames = 15;
- else if (frames > 30)
- frames = 30;
- fps = (frames / 5) - 1;
-
- /* Find a supported framerate with progressively higher compression */
- 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. */
-
- if (send_to_cam)
- ret = send_video_command(pdev, pdev->vendpoint,
- pChoose->mode, 13);
- if (ret < 0)
- return ret;
-
- if (pChoose->bandlength > 0 && pixfmt == V4L2_PIX_FMT_YUV420)
- pwc_dec23_init(pdev, pChoose->mode);
-
- /* Set various parameters */
- pdev->pixfmt = pixfmt;
- pdev->vframes = (fps + 1) * 5;
- pdev->valternate = pChoose->alternate;
- pdev->width = pwc_image_sizes[size][0];
- pdev->height = pwc_image_sizes[size][1];
- pdev->vbandlength = pChoose->bandlength;
- if (pChoose->bandlength > 0)
- pdev->frame_size = (pChoose->bandlength * pdev->height) / 4;
- else
- pdev->frame_size = (pdev->width * pdev->height * 12) / 8;
- return 0;
-}
-
-
-static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int pixfmt,
- int frames, int *compression, int send_to_cam)
-{
- const struct Kiara_table_entry *pChoose = NULL;
- int fps, ret = 0;
-
- if (size >= PSZ_MAX || *compression < 0 || *compression > 3)
- return -EINVAL;
- if (frames < 5)
- frames = 5;
- else if (size == PSZ_VGA && frames > 15)
- frames = 15;
- else if (frames > 30)
- frames = 30;
- fps = (frames / 5) - 1;
-
- /* Find a supported framerate with progressively higher compression */
- 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. */
-
- /* Firmware bug: video endpoint is 5, but commands are sent to endpoint 4 */
- if (send_to_cam)
- ret = send_video_command(pdev, 4, pChoose->mode, 12);
- if (ret < 0)
- return ret;
-
- if (pChoose->bandlength > 0 && pixfmt == V4L2_PIX_FMT_YUV420)
- pwc_dec23_init(pdev, pChoose->mode);
-
- /* All set and go */
- pdev->pixfmt = pixfmt;
- pdev->vframes = (fps + 1) * 5;
- pdev->valternate = pChoose->alternate;
- pdev->width = pwc_image_sizes[size][0];
- pdev->height = pwc_image_sizes[size][1];
- pdev->vbandlength = pChoose->bandlength;
- if (pdev->vbandlength > 0)
- pdev->frame_size = (pdev->vbandlength * pdev->height) / 4;
- else
- pdev->frame_size = (pdev->width * pdev->height * 12) / 8;
- PWC_TRACE("frame_size=%d, vframes=%d, vsize=%d, vbandlength=%d\n",
- pdev->frame_size, pdev->vframes, size, pdev->vbandlength);
- return 0;
-}
-
-int pwc_set_video_mode(struct pwc_device *pdev, int width, int height,
- int pixfmt, int frames, int *compression, int send_to_cam)
-{
- int ret, size;
-
- PWC_DEBUG_FLOW("set_video_mode(%dx%d @ %d, pixfmt %08x).\n",
- width, height, frames, pixfmt);
- size = pwc_get_size(pdev, width, height);
- PWC_TRACE("decode_size = %d.\n", size);
-
- if (DEVICE_USE_CODEC1(pdev->type)) {
- ret = set_video_mode_Nala(pdev, size, pixfmt, frames,
- compression, send_to_cam);
- } else if (DEVICE_USE_CODEC3(pdev->type)) {
- ret = set_video_mode_Kiara(pdev, size, pixfmt, frames,
- compression, send_to_cam);
- } else {
- ret = set_video_mode_Timon(pdev, size, pixfmt, frames,
- compression, send_to_cam);
- }
- if (ret < 0) {
- PWC_ERROR("Failed to set video mode %s@%d fps; return code = %d\n", size2name[size], frames, ret);
- return ret;
- }
- pdev->frame_total_size = pdev->frame_size + pdev->frame_header_size + pdev->frame_trailer_size;
- PWC_DEBUG_SIZE("Set resolution to %dx%d\n", pdev->width, pdev->height);
- 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;
-}
-
-int pwc_get_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data)
-{
- int ret;
-
- ret = recv_control_msg(pdev, request, value, 1);
- if (ret < 0)
- return ret;
-
- *data = pdev->ctrl_buf[0];
- return 0;
-}
-
-int pwc_set_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, u8 data)
-{
- int ret;
-
- pdev->ctrl_buf[0] = data;
- ret = send_control_msg(pdev, request, value, pdev->ctrl_buf, 1);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-int pwc_get_s8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data)
-{
- int ret;
-
- ret = recv_control_msg(pdev, request, value, 1);
- if (ret < 0)
- return ret;
-
- *data = ((s8 *)pdev->ctrl_buf)[0];
- return 0;
-}
-
-int pwc_get_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data)
-{
- int ret;
-
- ret = recv_control_msg(pdev, request, value, 2);
- if (ret < 0)
- return ret;
-
- *data = (pdev->ctrl_buf[1] << 8) | pdev->ctrl_buf[0];
- return 0;
-}
-
-int pwc_set_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, u16 data)
-{
- int ret;
-
- pdev->ctrl_buf[0] = data & 0xff;
- pdev->ctrl_buf[1] = data >> 8;
- ret = send_control_msg(pdev, request, value, pdev->ctrl_buf, 2);
- 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)
-{
- 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)
- pdev->ctrl_buf[0] = 0x00; /* active */
- else
- pdev->ctrl_buf[0] = 0xFF; /* power save */
- r = send_control_msg(pdev, SET_STATUS_CTL,
- SET_POWER_SAVE_MODE_FORMATTER, pdev->ctrl_buf, 1);
- if (r < 0)
- PWC_ERROR("Failed to power %s camera (%d)\n",
- power ? "on" : "off", r);
-}
-
-int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value)
-{
- 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;
-
- pdev->ctrl_buf[0] = on_value;
- pdev->ctrl_buf[1] = off_value;
-
- r = send_control_msg(pdev,
- SET_STATUS_CTL, LED_FORMATTER, pdev->ctrl_buf, 2);
- if (r < 0)
- PWC_ERROR("Failed to set LED on/off time (%d)\n", r);
-
- return r;
-}
-
-#ifdef CONFIG_USB_PWC_DEBUG
-int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor)
-{
- 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, 1);
- if (ret < 0)
- return ret;
- if (pdev->type < 675)
- *sensor = pdev->ctrl_buf[0] | 0x100;
- else
- *sensor = pdev->ctrl_buf[0];
- return 0;
-}
-#endif