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path: root/drivers/staging/dream/camera/msm_v4l2.c
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Diffstat (limited to 'drivers/staging/dream/camera/msm_v4l2.c')
-rw-r--r--drivers/staging/dream/camera/msm_v4l2.c798
1 files changed, 0 insertions, 798 deletions
diff --git a/drivers/staging/dream/camera/msm_v4l2.c b/drivers/staging/dream/camera/msm_v4l2.c
deleted file mode 100644
index c276f2f7583..00000000000
--- a/drivers/staging/dream/camera/msm_v4l2.c
+++ /dev/null
@@ -1,798 +0,0 @@
-/*
- *
- * Copyright (C) 2008-2009 QUALCOMM Incorporated.
- *
- */
-
-#include <linux/workqueue.h>
-#include <linux/delay.h>
-#include <linux/types.h>
-#include <linux/list.h>
-#include <linux/ioctl.h>
-#include <linux/spinlock.h>
-#include <linux/videodev2.h>
-#include <linux/proc_fs.h>
-#include <linux/slab.h>
-#include <media/v4l2-dev.h>
-#include <media/msm_camera.h>
-#include <mach/camera.h>
-#include <media/v4l2-ioctl.h>
-/*#include <linux/platform_device.h>*/
-
-#define MSM_V4L2_START_SNAPSHOT _IOWR('V', BASE_VIDIOC_PRIVATE+1, \
- struct v4l2_buffer)
-
-#define MSM_V4L2_GET_PICTURE _IOWR('V', BASE_VIDIOC_PRIVATE+2, \
- struct v4l2_buffer)
-
-#define MSM_V4L2_DEVICE_NAME "msm_v4l2"
-
-#define MSM_V4L2_PROC_NAME "msm_v4l2"
-
-#define MSM_V4L2_DEVNUM_MPEG2 0
-#define MSM_V4L2_DEVNUM_YUV 20
-
-/* HVGA-P (portrait) and HVGA-L (landscape) */
-#define MSM_V4L2_WIDTH 480
-#define MSM_V4L2_HEIGHT 320
-
-#if 1
-#define D(fmt, args...) printk(KERN_INFO "msm_v4l2: " fmt, ##args)
-#else
-#define D(fmt, args...) do {} while (0)
-#endif
-
-#define PREVIEW_FRAMES_NUM 4
-
-struct msm_v4l2_device {
- struct list_head read_queue;
- struct v4l2_format current_cap_format;
- struct v4l2_format current_pix_format;
- struct video_device *pvdev;
- struct msm_v4l2_driver *drv;
- uint8_t opencnt;
-
- spinlock_t read_queue_lock;
-};
-
-static struct msm_v4l2_device *g_pmsm_v4l2_dev;
-
-
-static DEFINE_MUTEX(msm_v4l2_opencnt_lock);
-
-static int msm_v4l2_open(struct file *f)
-{
- int rc = 0;
- D("%s\n", __func__);
- mutex_lock(&msm_v4l2_opencnt_lock);
- if (!g_pmsm_v4l2_dev->opencnt) {
- rc = g_pmsm_v4l2_dev->drv->open(
- g_pmsm_v4l2_dev->drv->sync,
- MSM_APPS_ID_V4L2);
- }
- g_pmsm_v4l2_dev->opencnt++;
- mutex_unlock(&msm_v4l2_opencnt_lock);
- return rc;
-}
-
-static int msm_v4l2_release(struct file *f)
-{
- int rc = 0;
- D("%s\n", __func__);
- mutex_lock(&msm_v4l2_opencnt_lock);
- if (!g_pmsm_v4l2_dev->opencnt) {
- g_pmsm_v4l2_dev->opencnt--;
- if (!g_pmsm_v4l2_dev->opencnt) {
- rc = g_pmsm_v4l2_dev->drv->release(
- g_pmsm_v4l2_dev->drv->sync);
- }
- }
- mutex_unlock(&msm_v4l2_opencnt_lock);
- return rc;
-}
-
-static unsigned int msm_v4l2_poll(struct file *f, struct poll_table_struct *w)
-{
- return g_pmsm_v4l2_dev->drv->drv_poll(g_pmsm_v4l2_dev->drv->sync, f, w);
-}
-
-static long msm_v4l2_ioctl(struct file *filep,
- unsigned int cmd, unsigned long arg)
-{
- struct msm_ctrl_cmd *ctrlcmd;
-
- D("msm_v4l2_ioctl, cmd = %d, %d\n", cmd, __LINE__);
-
- switch (cmd) {
- case MSM_V4L2_START_SNAPSHOT:
-
- ctrlcmd = kmalloc(sizeof(struct msm_ctrl_cmd), GFP_ATOMIC);
- if (!ctrlcmd) {
- CDBG("msm_v4l2_ioctl: cannot allocate buffer\n");
- return -ENOMEM;
- }
-
- ctrlcmd->length = 0;
- ctrlcmd->value = NULL;
- ctrlcmd->timeout_ms = 10000;
-
- D("msm_v4l2_ioctl, MSM_V4L2_START_SNAPSHOT v4l2 ioctl %d\n",
- cmd);
- ctrlcmd->type = MSM_V4L2_SNAPSHOT;
- return g_pmsm_v4l2_dev->drv->ctrl(g_pmsm_v4l2_dev->drv->sync,
- ctrlcmd);
-
- case MSM_V4L2_GET_PICTURE:
- D("msm_v4l2_ioctl, MSM_V4L2_GET_PICTURE v4l2 ioctl %d\n", cmd);
- ctrlcmd = (struct msm_ctrl_cmd *)arg;
- return g_pmsm_v4l2_dev->drv->get_pict(
- g_pmsm_v4l2_dev->drv->sync, ctrlcmd);
-
- default:
- D("msm_v4l2_ioctl, standard v4l2 ioctl %d\n", cmd);
- return video_ioctl2(filep, cmd, arg);
- }
-}
-
-static void msm_v4l2_release_dev(struct video_device *d)
-{
- D("%s\n", __func__);
-}
-
-static int msm_v4l2_querycap(struct file *f,
- void *pctx, struct v4l2_capability *pcaps)
-{
- D("%s\n", __func__);
- strncpy(pcaps->driver, MSM_APPS_ID_V4L2, sizeof(pcaps->driver));
- strncpy(pcaps->card,
- MSM_V4L2_DEVICE_NAME, sizeof(pcaps->card));
- pcaps->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
- return 0;
-}
-
-static int msm_v4l2_s_std(struct file *f, void *pctx, v4l2_std_id *pnorm)
-{
- D("%s\n", __func__);
- return 0;
-}
-
-static int msm_v4l2_queryctrl(struct file *f,
- void *pctx, struct v4l2_queryctrl *pqctrl)
-{
- int rc = 0;
- struct msm_ctrl_cmd *ctrlcmd;
-
- D("%s\n", __func__);
-
- ctrlcmd = kmalloc(sizeof(struct msm_ctrl_cmd), GFP_ATOMIC);
- if (!ctrlcmd) {
- CDBG("msm_v4l2_queryctrl: cannot allocate buffer\n");
- return -ENOMEM;
- }
-
- ctrlcmd->type = MSM_V4L2_QUERY_CTRL;
- ctrlcmd->length = sizeof(struct v4l2_queryctrl);
- ctrlcmd->value = pqctrl;
- ctrlcmd->timeout_ms = 10000;
-
- rc = g_pmsm_v4l2_dev->drv->ctrl(g_pmsm_v4l2_dev->drv->sync, ctrlcmd);
- if (rc < 0)
- return -1;
-
- return ctrlcmd->status;
-}
-
-static int msm_v4l2_g_ctrl(struct file *f, void *pctx, struct v4l2_control *c)
-{
- int rc = 0;
- struct msm_ctrl_cmd *ctrlcmd;
-
- D("%s\n", __func__);
-
- ctrlcmd = kmalloc(sizeof(struct msm_ctrl_cmd), GFP_ATOMIC);
- if (!ctrlcmd) {
- CDBG("msm_v4l2_g_ctrl: cannot allocate buffer\n");
- return -ENOMEM;
- }
-
- ctrlcmd->type = MSM_V4L2_GET_CTRL;
- ctrlcmd->length = sizeof(struct v4l2_control);
- ctrlcmd->value = c;
- ctrlcmd->timeout_ms = 10000;
-
- rc = g_pmsm_v4l2_dev->drv->ctrl(g_pmsm_v4l2_dev->drv->sync, ctrlcmd);
- if (rc < 0)
- return -1;
-
- return ctrlcmd->status;
-}
-
-static int msm_v4l2_s_ctrl(struct file *f, void *pctx, struct v4l2_control *c)
-{
- int rc = 0;
- struct msm_ctrl_cmd *ctrlcmd;
-
- ctrlcmd = kmalloc(sizeof(struct msm_ctrl_cmd), GFP_ATOMIC);
- if (!ctrlcmd) {
- CDBG("msm_v4l2_s_ctrl: cannot allocate buffer\n");
- return -ENOMEM;
- }
-
- ctrlcmd->type = MSM_V4L2_SET_CTRL;
- ctrlcmd->length = sizeof(struct v4l2_control);
- ctrlcmd->value = c;
- ctrlcmd->timeout_ms = 10000;
-
- D("%s\n", __func__);
-
- rc = g_pmsm_v4l2_dev->drv->ctrl(g_pmsm_v4l2_dev->drv->sync, ctrlcmd);
- if (rc < 0)
- return -1;
-
- return ctrlcmd->status;
-}
-
-static int msm_v4l2_reqbufs(struct file *f,
- void *pctx, struct v4l2_requestbuffers *b)
-{
- D("%s\n", __func__);
- return 0;
-}
-
-static int msm_v4l2_querybuf(struct file *f, void *pctx, struct v4l2_buffer *pb)
-{
- struct msm_pmem_info pmem_buf;
-#if 0
- __u32 width = 0;
- __u32 height = 0;
- __u32 y_size = 0;
- __u32 y_pad = 0;
-
- /* FIXME: g_pmsm_v4l2_dev->current_pix_format.fmt.pix.width; */
- width = 640;
- /* FIXME: g_pmsm_v4l2_dev->current_pix_format.fmt.pix.height; */
- height = 480;
-
- D("%s: width = %d, height = %d\n", __func__, width, height);
-
- y_size = width * height;
- y_pad = y_size % 4;
-#endif
-
- __u32 y_pad = pb->bytesused % 4;
-
- /* V4L2 videodev will do the copy_from_user. */
-
- memset(&pmem_buf, 0, sizeof(struct msm_pmem_info));
- pmem_buf.type = MSM_PMEM_OUTPUT2;
- pmem_buf.vaddr = (void *)pb->m.userptr;
- pmem_buf.y_off = 0;
- pmem_buf.fd = (int)pb->reserved;
- /* pmem_buf.cbcr_off = (y_size + y_pad); */
- pmem_buf.cbcr_off = (pb->bytesused + y_pad);
-
- g_pmsm_v4l2_dev->drv->reg_pmem(g_pmsm_v4l2_dev->drv->sync, &pmem_buf);
-
- return 0;
-}
-
-static int msm_v4l2_qbuf(struct file *f, void *pctx, struct v4l2_buffer *pb)
-{
- /*
- __u32 y_size = 0;
- __u32 y_pad = 0;
- __u32 width = 0;
- __u32 height = 0;
- */
-
- __u32 y_pad = 0;
-
- struct msm_pmem_info meminfo;
- struct msm_frame frame;
- static int cnt;
-
- if ((pb->flags >> 16) & 0x0001) {
- /* this is for previwe */
-#if 0
- width = 640;
- height = 480;
-
- /* V4L2 videodev will do the copy_from_user. */
- D("%s: width = %d, height = %d\n", __func__, width, height);
- y_size = width * height;
- y_pad = y_size % 4;
-#endif
-
- y_pad = pb->bytesused % 4;
-
- if (pb->type == V4L2_BUF_TYPE_PRIVATE) {
- /* this qbuf is actually for releasing */
-
- frame.buffer = pb->m.userptr;
- frame.y_off = 0;
- /* frame.cbcr_off = (y_size + y_pad); */
- frame.cbcr_off = (pb->bytesused + y_pad);
- frame.fd = pb->reserved;
-
- D("V4L2_BUF_TYPE_PRIVATE: pb->bytesused = %d \n",
- pb->bytesused);
-
- g_pmsm_v4l2_dev->drv->put_frame(
- g_pmsm_v4l2_dev->drv->sync,
- &frame);
-
- return 0;
- }
-
- D("V4L2_BUF_TYPE_VIDEO_CAPTURE: pb->bytesused = %d \n",
- pb->bytesused);
-
- meminfo.type = MSM_PMEM_OUTPUT2;
- meminfo.fd = (int)pb->reserved;
- meminfo.vaddr = (void *)pb->m.userptr;
- meminfo.y_off = 0;
- /* meminfo.cbcr_off = (y_size + y_pad); */
- meminfo.cbcr_off = (pb->bytesused + y_pad);
- if (cnt == PREVIEW_FRAMES_NUM - 1)
- meminfo.active = 0;
- else
- meminfo.active = 1;
- cnt++;
- g_pmsm_v4l2_dev->drv->reg_pmem(g_pmsm_v4l2_dev->drv->sync,
- &meminfo);
- } else if ((pb->flags) & 0x0001) {
- /* this is for snapshot */
-
- __u32 y_size = 0;
-
- if ((pb->flags >> 8) & 0x01) {
-
- y_size = pb->bytesused;
-
- meminfo.type = MSM_PMEM_THUMBAIL;
- } else if ((pb->flags >> 9) & 0x01) {
-
- y_size = pb->bytesused;
-
- meminfo.type = MSM_PMEM_MAINIMG;
- }
-
- y_pad = y_size % 4;
-
- meminfo.fd = (int)pb->reserved;
- meminfo.vaddr = (void *)pb->m.userptr;
- meminfo.y_off = 0;
- /* meminfo.cbcr_off = (y_size + y_pad); */
- meminfo.cbcr_off = (y_size + y_pad);
- meminfo.active = 1;
- g_pmsm_v4l2_dev->drv->reg_pmem(g_pmsm_v4l2_dev->drv->sync,
- &meminfo);
- }
-
- return 0;
-}
-
-static int msm_v4l2_dqbuf(struct file *f, void *pctx, struct v4l2_buffer *pb)
-{
- struct msm_frame frame;
- D("%s\n", __func__);
-
- /* V4L2 videodev will do the copy_to_user. */
- if (pb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
-
- D("%s, %d\n", __func__, __LINE__);
-
- g_pmsm_v4l2_dev->drv->get_frame(
- g_pmsm_v4l2_dev->drv->sync,
- &frame);
-
- pb->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- pb->m.userptr = (unsigned long)frame.buffer; /* FIXME */
- pb->reserved = (int)frame.fd;
- /* pb->length = (int)frame.cbcr_off; */
-
- pb->bytesused = frame.cbcr_off;
-
- } else if (pb->type == V4L2_BUF_TYPE_PRIVATE) {
- __u32 y_pad = pb->bytesused % 4;
-
- frame.buffer = pb->m.userptr;
- frame.y_off = 0;
- /* frame.cbcr_off = (y_size + y_pad); */
- frame.cbcr_off = (pb->bytesused + y_pad);
- frame.fd = pb->reserved;
-
- g_pmsm_v4l2_dev->drv->put_frame(
- g_pmsm_v4l2_dev->drv->sync,
- &frame);
- }
-
- return 0;
-}
-
-static int msm_v4l2_streamon(struct file *f, void *pctx, enum v4l2_buf_type i)
-{
- struct msm_ctrl_cmd *ctrlcmd;
-
- ctrlcmd = kmalloc(sizeof(struct msm_ctrl_cmd), GFP_ATOMIC);
- if (!ctrlcmd) {
- CDBG("msm_v4l2_s_fmt_cap: cannot allocate buffer\n");
- return -ENOMEM;
- }
-
- ctrlcmd->type = MSM_V4L2_STREAM_ON;
- ctrlcmd->timeout_ms = 10000;
- ctrlcmd->length = 0;
- ctrlcmd->value = NULL;
-
- D("%s\n", __func__);
-
- g_pmsm_v4l2_dev->drv->ctrl(
- g_pmsm_v4l2_dev->drv->sync,
- ctrlcmd);
-
- D("%s after drv->ctrl \n", __func__);
-
- return 0;
-}
-
-static int msm_v4l2_streamoff(struct file *f, void *pctx, enum v4l2_buf_type i)
-{
- struct msm_ctrl_cmd *ctrlcmd;
-
- ctrlcmd = kmalloc(sizeof(struct msm_ctrl_cmd), GFP_ATOMIC);
- if (!ctrlcmd) {
- CDBG("msm_v4l2_s_fmt_cap: cannot allocate buffer\n");
- return -ENOMEM;
- }
-
- ctrlcmd->type = MSM_V4L2_STREAM_OFF;
- ctrlcmd->timeout_ms = 10000;
- ctrlcmd->length = 0;
- ctrlcmd->value = NULL;
-
-
- D("%s\n", __func__);
-
- g_pmsm_v4l2_dev->drv->ctrl(
- g_pmsm_v4l2_dev->drv->sync,
- ctrlcmd);
-
- return 0;
-}
-
-static int msm_v4l2_enum_fmt_overlay(struct file *f,
- void *pctx, struct v4l2_fmtdesc *pfmtdesc)
-{
- D("%s\n", __func__);
- return 0;
-}
-
-static int msm_v4l2_enum_fmt_cap(struct file *f,
- void *pctx, struct v4l2_fmtdesc *pfmtdesc)
-{
- D("%s\n", __func__);
-
- switch (pfmtdesc->index) {
- case 0:
- pfmtdesc->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- pfmtdesc->flags = 0;
- strncpy(pfmtdesc->description, "YUV 4:2:0",
- sizeof(pfmtdesc->description));
- pfmtdesc->pixelformat = V4L2_PIX_FMT_YVU420;
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int msm_v4l2_g_fmt_cap(struct file *f,
- void *pctx, struct v4l2_format *pfmt)
-{
- D("%s\n", __func__);
- pfmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- pfmt->fmt.pix.width = MSM_V4L2_WIDTH;
- pfmt->fmt.pix.height = MSM_V4L2_HEIGHT;
- pfmt->fmt.pix.pixelformat = V4L2_PIX_FMT_YVU420;
- pfmt->fmt.pix.field = V4L2_FIELD_ANY;
- pfmt->fmt.pix.bytesperline = 0;
- pfmt->fmt.pix.sizeimage = 0;
- pfmt->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
- pfmt->fmt.pix.priv = 0;
- return 0;
-}
-
-static int msm_v4l2_s_fmt_cap(struct file *f,
- void *pctx, struct v4l2_format *pfmt)
-{
- struct msm_ctrl_cmd *ctrlcmd;
-
- D("%s\n", __func__);
-
- ctrlcmd = kmalloc(sizeof(struct msm_ctrl_cmd), GFP_ATOMIC);
- if (!ctrlcmd) {
- CDBG("msm_v4l2_s_fmt_cap: cannot allocate buffer\n");
- return -ENOMEM;
- }
-
- ctrlcmd->type = MSM_V4L2_VID_CAP_TYPE;
- ctrlcmd->length = sizeof(struct v4l2_format);
- ctrlcmd->value = pfmt;
- ctrlcmd->timeout_ms = 10000;
-
- if (pfmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- kfree(ctrlcmd);
- return -1;
- }
-
-#if 0
- /* FIXEME */
- if (pfmt->fmt.pix.pixelformat != V4L2_PIX_FMT_YVU420) {
- kfree(ctrlcmd);
- return -EINVAL;
- }
-#endif
-
- /* Ok, but check other params, too. */
-
-#if 0
- memcpy(&g_pmsm_v4l2_dev->current_pix_format.fmt.pix, pfmt,
- sizeof(struct v4l2_format));
-#endif
-
- g_pmsm_v4l2_dev->drv->ctrl(g_pmsm_v4l2_dev->drv->sync, ctrlcmd);
-
- return 0;
-}
-
-static int msm_v4l2_g_fmt_overlay(struct file *f,
- void *pctx, struct v4l2_format *pfmt)
-{
- D("%s\n", __func__);
- pfmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
- pfmt->fmt.pix.width = MSM_V4L2_WIDTH;
- pfmt->fmt.pix.height = MSM_V4L2_HEIGHT;
- pfmt->fmt.pix.pixelformat = V4L2_PIX_FMT_YVU420;
- pfmt->fmt.pix.field = V4L2_FIELD_ANY;
- pfmt->fmt.pix.bytesperline = 0;
- pfmt->fmt.pix.sizeimage = 0;
- pfmt->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
- pfmt->fmt.pix.priv = 0;
- return 0;
-}
-
-static int msm_v4l2_s_fmt_overlay(struct file *f,
- void *pctx, struct v4l2_format *pfmt)
-{
- D("%s\n", __func__);
- return 0;
-}
-
-static int msm_v4l2_overlay(struct file *f, void *pctx, unsigned int i)
-{
- D("%s\n", __func__);
- return 0;
-}
-
-static int msm_v4l2_g_jpegcomp(struct file *f,
- void *pctx, struct v4l2_jpegcompression *pcomp)
-{
- D("%s\n", __func__);
- return 0;
-}
-
-static int msm_v4l2_s_jpegcomp(struct file *f,
- void *pctx, struct v4l2_jpegcompression *pcomp)
-{
- D("%s\n", __func__);
- return 0;
-}
-
-#ifdef CONFIG_PROC_FS
-int msm_v4l2_read_proc(char *pbuf, char **start, off_t offset,
- int count, int *eof, void *data)
-{
- int len = 0;
- len += snprintf(pbuf, strlen("stats\n") + 1, "stats\n");
-
- if (g_pmsm_v4l2_dev) {
- len += snprintf(pbuf, strlen("mode: ") + 1, "mode: ");
-
- if (g_pmsm_v4l2_dev->current_cap_format.type
- == V4L2_BUF_TYPE_VIDEO_CAPTURE)
- len += snprintf(pbuf, strlen("capture\n") + 1,
- "capture\n");
- else
- len += snprintf(pbuf, strlen("unknown\n") + 1,
- "unknown\n");
-
- len += snprintf(pbuf, 21, "resolution: %dx%d\n",
- g_pmsm_v4l2_dev->current_cap_format.fmt.pix.
- width,
- g_pmsm_v4l2_dev->current_cap_format.fmt.pix.
- height);
-
- len += snprintf(pbuf,
- strlen("pixel format: ") + 1, "pixel format: ");
- if (g_pmsm_v4l2_dev->current_cap_format.fmt.pix.pixelformat
- == V4L2_PIX_FMT_YVU420)
- len += snprintf(pbuf, strlen("yvu420\n") + 1,
- "yvu420\n");
- else
- len += snprintf(pbuf, strlen("unknown\n") + 1,
- "unknown\n");
-
- len += snprintf(pbuf, strlen("colorspace: ") + 1,
- "colorspace: ");
- if (g_pmsm_v4l2_dev->current_cap_format.fmt.pix.colorspace
- == V4L2_COLORSPACE_JPEG)
- len += snprintf(pbuf, strlen("jpeg\n") + 1, "jpeg\n");
- else
- len += snprintf(pbuf, strlen("unknown\n") + 1,
- "unknown\n");
- }
-
- *eof = 1;
- return len;
-}
-#endif
-
-static const struct v4l2_file_operations msm_v4l2_fops = {
- .owner = THIS_MODULE,
- .open = msm_v4l2_open,
- .poll = msm_v4l2_poll,
- .release = msm_v4l2_release,
- .ioctl = msm_v4l2_ioctl,
-};
-
-static void msm_v4l2_dev_init(struct msm_v4l2_device *pmsm_v4l2_dev)
-{
- pmsm_v4l2_dev->read_queue_lock =
- __SPIN_LOCK_UNLOCKED(pmsm_v4l2_dev->read_queue_lock);
- INIT_LIST_HEAD(&pmsm_v4l2_dev->read_queue);
-}
-
-static int msm_v4l2_try_fmt_cap(struct file *file,
- void *fh, struct v4l2_format *f)
-{
- /* FIXME */
- return 0;
-}
-
-static int mm_v4l2_try_fmt_type_private(struct file *file,
- void *fh, struct v4l2_format *f)
-{
- /* FIXME */
- return 0;
-}
-
-/*
- * should the following structure be used instead of the code in the function?
- * static const struct v4l2_ioctl_ops msm_v4l2_ioctl_ops = {
- * .vidioc_querycap = ....
- * }
- */
-static const struct v4l2_ioctl_ops msm_ioctl_ops = {
- .vidioc_querycap = msm_v4l2_querycap,
- .vidioc_s_std = msm_v4l2_s_std,
-
- .vidioc_queryctrl = msm_v4l2_queryctrl,
- .vidioc_g_ctrl = msm_v4l2_g_ctrl,
- .vidioc_s_ctrl = msm_v4l2_s_ctrl,
-
- .vidioc_reqbufs = msm_v4l2_reqbufs,
- .vidioc_querybuf = msm_v4l2_querybuf,
- .vidioc_qbuf = msm_v4l2_qbuf,
- .vidioc_dqbuf = msm_v4l2_dqbuf,
-
- .vidioc_streamon = msm_v4l2_streamon,
- .vidioc_streamoff = msm_v4l2_streamoff,
-
- .vidioc_enum_fmt_vid_overlay = msm_v4l2_enum_fmt_overlay,
- .vidioc_enum_fmt_vid_cap = msm_v4l2_enum_fmt_cap,
-
- .vidioc_try_fmt_vid_cap = msm_v4l2_try_fmt_cap,
- .vidioc_try_fmt_type_private = mm_v4l2_try_fmt_type_private,
-
- .vidioc_g_fmt_vid_cap = msm_v4l2_g_fmt_cap,
- .vidioc_s_fmt_vid_cap = msm_v4l2_s_fmt_cap,
- .vidioc_g_fmt_vid_overlay = msm_v4l2_g_fmt_overlay,
- .vidioc_s_fmt_vid_overlay = msm_v4l2_s_fmt_overlay,
- .vidioc_overlay = msm_v4l2_overlay,
-
- .vidioc_g_jpegcomp = msm_v4l2_g_jpegcomp,
- .vidioc_s_jpegcomp = msm_v4l2_s_jpegcomp,
-};
-
-static int msm_v4l2_video_dev_init(struct video_device *pvd)
-{
- strncpy(pvd->name, MSM_APPS_ID_V4L2, sizeof(pvd->name));
- pvd->vfl_type = 1;
- pvd->fops = &msm_v4l2_fops;
- pvd->release = msm_v4l2_release_dev;
- pvd->minor = -1;
- pvd->ioctl_ops = &msm_ioctl_ops;
- return msm_v4l2_register(g_pmsm_v4l2_dev->drv);
-}
-
-static int __init msm_v4l2_init(void)
-{
- int rc = -ENOMEM;
- struct video_device *pvdev = NULL;
- struct msm_v4l2_device *pmsm_v4l2_dev = NULL;
- D("%s\n", __func__);
-
- pvdev = video_device_alloc();
- if (pvdev == NULL)
- return rc;
-
- pmsm_v4l2_dev =
- kzalloc(sizeof(struct msm_v4l2_device), GFP_KERNEL);
- if (pmsm_v4l2_dev == NULL) {
- video_device_release(pvdev);
- return rc;
- }
-
- msm_v4l2_dev_init(pmsm_v4l2_dev);
-
- g_pmsm_v4l2_dev = pmsm_v4l2_dev;
- g_pmsm_v4l2_dev->pvdev = pvdev;
-
- g_pmsm_v4l2_dev->drv =
- kzalloc(sizeof(struct msm_v4l2_driver), GFP_KERNEL);
- if (!g_pmsm_v4l2_dev->drv) {
- video_device_release(pvdev);
- kfree(pmsm_v4l2_dev);
- return rc;
- }
-
- rc = msm_v4l2_video_dev_init(pvdev);
- if (rc < 0) {
- video_device_release(pvdev);
- kfree(g_pmsm_v4l2_dev->drv);
- kfree(pmsm_v4l2_dev);
- return rc;
- }
-
- if (video_register_device(pvdev, VFL_TYPE_GRABBER,
- MSM_V4L2_DEVNUM_YUV)) {
- D("failed to register device\n");
- video_device_release(pvdev);
- kfree(g_pmsm_v4l2_dev);
- g_pmsm_v4l2_dev = NULL;
- return -ENOENT;
- }
-#ifdef CONFIG_PROC_FS
- create_proc_read_entry(MSM_V4L2_PROC_NAME,
- 0, NULL, msm_v4l2_read_proc, NULL);
-#endif
-
- return 0;
-}
-
-static void __exit msm_v4l2_exit(void)
-{
- struct video_device *pvdev = g_pmsm_v4l2_dev->pvdev;
- D("%s\n", __func__);
-#ifdef CONFIG_PROC_FS
- remove_proc_entry(MSM_V4L2_PROC_NAME, NULL);
-#endif
- video_unregister_device(pvdev);
- video_device_release(pvdev);
-
- msm_v4l2_unregister(g_pmsm_v4l2_dev->drv);
-
- kfree(g_pmsm_v4l2_dev->drv);
- g_pmsm_v4l2_dev->drv = NULL;
-
- kfree(g_pmsm_v4l2_dev);
- g_pmsm_v4l2_dev = NULL;
-}
-
-module_init(msm_v4l2_init);
-module_exit(msm_v4l2_exit);
-
-MODULE_DESCRIPTION("MSM V4L2 driver");
-MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 05:21:12 +0000