[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>

1 files changed, 553 insertions, 0 deletions

diff --git a/drivers/media/usb/pwc/pwc-ctrl.c b/drivers/media/usb/pwc/pwc-ctrl.c
new file mode 100644
index 000000000000..1f506fde97d0
--- /dev/null
+++ b/drivers/media/usb/pwc/pwc-ctrl.c
@@ -0,0 +1,553 @@
+/* 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