static void unicam_videobuf_queue(struct vb2_buffer *vb)
{
struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue);
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct unicam_camera_dev *unicam_dev = ici->priv;
struct unicam_camera_buffer *buf = to_unicam_camera_vb(vb);
unsigned long flags;
dprintk("-enter");
dprintk("vb=0x%p vbuf=0x%p pbuf=0x%p size=%lu", vb,
vb2_plane_vaddr(vb, 0), (void *)vb2_dma_contig_plane_dma_addr(vb,
0),
vb2_get_plane_payload(vb, 0));
spin_lock_irqsave(&unicam_dev->lock, flags);
list_add_tail(&buf->queue, &unicam_dev->capture);
if (!unicam_dev->active) {
unicam_dev->active = vb;
/* use this buffer to trigger capture */
/* Configure HW only is streamon has been done
* else only update active, HW would be configured
* by streamon */
if(unicam_dev->streaming){
unicam_camera_update_buf(unicam_dev);
if (unicam_dev->if_params.if_mode ==
V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI2)
unicam_camera_capture(unicam_dev);
}
}
spin_unlock_irqrestore(&unicam_dev->lock, flags);
dprintk("-exit");
}
static int unicam_camera_set_crop(struct soc_camera_device *icd,
struct v4l2_crop *crop)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct unicam_camera_dev *unicam_dev = ici->priv;
if(crop == NULL)
return -EINVAL;
unicam_dev->crop = *crop;
return 0;
#if 0
struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
pr_info("Configuring crop to %d %d\n", crop->c.width, crop->c.height);
pr_info("Configuring top left to %d %d\n", crop->c.top, crop->c.left);
v4l2_subdev_call(sd, video, s_stream, 0);
spin_lock_irqsave(&unicam_dev->lock, flags);
unicam_dev->crop = *crop;
if(unicam_dev->streaming){
pr_info("Stopping stream\n");
unicam_stop();
}
/* Configure new crop parameters */
mm_csi0_set_windowing_vertical(unicam_dev->crop.c.top,
(unicam_dev->crop.c.top + unicam_dev->crop.c.height));
mm_csi0_cfg_pipeline_unpack(PIX_UNPACK_NONE);
mm_csi0_cfg_pipeline_dpcm_dec(DPCM_DEC_NONE);
mm_csi0_set_windowing_horizontal(unicam_dev->crop.c.left,
(unicam_dev->crop.c.left + unicam_dev->crop.c.width));
mm_csi0_cfg_pipeline_dpcm_enc(DPCM_ENC_NONE);
mm_csi0_cfg_pipeline_pack(PIX_PACK_NONE);
mm_csi0_start_rx();
/* Re-configure buffer parameters */
unicam_camera_update_buf(unicam_dev);
/* set data capture */
if (unicam_dev->if_params.if_mode == V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI2) {
idesc.fsi = 1;
idesc.fei = 1;
idesc.lci = 0;
idesc.die = 1;
idesc.dataline = 2;
mm_csi0_config_int(&idesc, IMAGE_BUFFER);
mm_csi0_config_int(&idesc, DATA_BUFFER);
unicam_camera_capture(unicam_dev);
} else {
idesc.fsi = 0;
idesc.fei = 0;
idesc.lci = unicam_dev->icd->user_height;
idesc.die = 0;
idesc.dataline = 0;
mm_csi0_config_int(&idesc, IMAGE_BUFFER);
}
spin_unlock_irqrestore(&unicam_dev->lock, flags);
v4l2_subdev_call(sd, video, s_stream, 1);
return 0;
#endif
}
static void unicam_videobuf_queue(struct vb2_buffer *vb)
{
struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue);
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct unicam_camera_dev *unicam_dev = ici->priv;
struct unicam_camera_buffer *buf = to_unicam_camera_vb(vb);
unsigned long flags;
struct int_desc idesc;
pr_debug("-enter");
pr_debug("vb=0x%p pbuf=0x%p size=%lu", vb,
(void *)vb2_plane_dma_addr(vb, 0),
vb2_get_plane_payload(vb, 0));
/* pr_info("Q 0x%x\n", vb2_plane_paddr(vb, 0)); */
spin_lock_irqsave(&unicam_dev->lock, flags);
list_add_tail(&buf->queue, &unicam_dev->capture);
if(unicam_dev->cap_mode && unicam_dev->cap_done){
pr_info("Cap mode and already captured\n");
spin_unlock_irqrestore(&unicam_dev->lock, flags);
return;
}
if ((!unicam_dev->active)) {
unicam_dev->active = vb;
unicam_camera_update_buf(unicam_dev);
if (atomic_read(&unicam_dev->streaming)) {
mm_csi0_start_rx();
/* set data capture */
if (unicam_dev->if_params.if_mode == V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI2) {
idesc.fsi = 1;
idesc.fei = 1;
idesc.lci = 0;
idesc.die = 1;
idesc.dataline = 2;
mm_csi0_config_int(&idesc, IMAGE_BUFFER);
mm_csi0_config_int(&idesc, DATA_BUFFER);
unicam_camera_capture(unicam_dev);
} else {
idesc.fsi = 0;
idesc.fei = 0;
idesc.lci = unicam_dev->icd->user_height;
idesc.die = 0;
idesc.dataline = 0;
mm_csi0_config_int(&idesc, IMAGE_BUFFER);
}
}
}
spin_unlock_irqrestore(&unicam_dev->lock, flags);
pr_debug("-exit");
}
int unicam_videobuf_start_streaming(struct vb2_queue *q, unsigned int count)
{
struct soc_camera_device *icd = soc_camera_from_vb2q(q);
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct unicam_camera_dev *unicam_dev = ici->priv;
struct v4l2_subdev_sensor_interface_parms if_params;
struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
int ret;
int thumb;
unsigned long flags;
CSL_CAM_INTF_CFG_st_t csl_cam_intf_cfg_st;
CSL_CAM_LANE_CONTROL_st_t cslCamLaneCtrl_st;
CSL_CAM_PIPELINE_st_t cslCamPipeline;
CSL_CAM_IMAGE_ID_st_t cslCamImageCtrl;
CSL_CAM_DATA_st_t cslCamDataCtrl;
CSL_CAM_FRAME_st_t cslCamFrame;
dprintk("-enter");
iprintk("enabling csi");
spin_lock_irqsave(&unicam_dev->lock, flags);
unicam_dev->stopping = false;
spin_unlock_irqrestore(&unicam_dev->lock, flags);
if (csl_cam_init()) {
dev_err(unicam_dev->dev, "error initializing csl camera\n");
return -1;
}
ret = v4l2_subdev_call(sd, video, s_stream, 1);
if (ret < 0 && ret != -ENOIOCTLCMD) {
dev_err(unicam_dev->dev, "error on s_stream(%d)\n", ret);
spin_lock_irqsave(&unicam_dev->lock, flags);
unicam_dev->active = NULL;
unicam_dev->stopping = true;
spin_unlock_irqrestore(&unicam_dev->lock, flags);
if (csl_cam_exit())
dev_err(unicam_dev->dev, "csl_cam_exit(): FAILED\n");
return ret;
}
/* get the sensor interface information */
ret = v4l2_subdev_call(sd, sensor, g_interface_parms, &if_params);
if (ret < 0) {
dev_err(unicam_dev->dev, "error on g_inferface_params(%d)\n",
ret);
return ret;
}
unicam_dev->if_params = if_params;
/* set camera interface parameters */
memset(&csl_cam_intf_cfg_st, 0, sizeof(CSL_CAM_INTF_CFG_st_t));
/* we only support serial and csi2 sensor */
if ((unicam_dev->if_params.if_type == V4L2_SUBDEV_SENSOR_SERIAL)
&& (unicam_dev->if_params.if_mode ==
V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI2)) {
csl_cam_intf_cfg_st.intf = CSL_CAM_INTF_CSI;
} else if ((unicam_dev->if_params.if_type == V4L2_SUBDEV_SENSOR_SERIAL)
&& (unicam_dev->if_params.if_mode ==
V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI1)) {
csl_cam_intf_cfg_st.intf = CSL_CAM_INTF_CCP;
} else {
dev_err(unicam_dev->dev,
"CSI2 iface only supported,requested iface %d mode=%d\n",
unicam_dev->if_params.if_type,
unicam_dev->if_params.if_mode);
return -EINVAL;
}
if (unicam_dev->if_params.parms.serial.channel == 0)
csl_cam_intf_cfg_st.afe_port = CSL_CAM_PORT_AFE_0;
else if (unicam_dev->if_params.parms.serial.channel == 1)
csl_cam_intf_cfg_st.afe_port = CSL_CAM_PORT_AFE_1;
else {
dev_err(unicam_dev->dev,
"receiver only supports two channels, request channel=%d\n",
unicam_dev->if_params.parms.serial.channel);
return -EINVAL;
}
csl_cam_intf_cfg_st.frame_time_out = 1000;
/* open camera interface */
csl_cam_intf_cfg_st.p_cpi_intf_st = NULL;
if ((unicam_dev->if_params.if_type == V4L2_SUBDEV_SENSOR_SERIAL)
&& (unicam_dev->if_params.if_mode ==
V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI2)) {
if (unicam_dev->if_params.parms.serial.lanes == 1)
csl_cam_intf_cfg_st.input_mode =
CSL_CAM_INPUT_SINGLE_LANE;
else if (unicam_dev->if_params.parms.serial.lanes == 2)
csl_cam_intf_cfg_st.input_mode =
CSL_CAM_INPUT_DUAL_LANE;
else {
dev_err(unicam_dev->dev,
"receiver only supports max 2 lanes, requested lanes(%d)\n",
unicam_dev->if_params.parms.serial.lanes);
return -EINVAL;
}
} else {
csl_cam_intf_cfg_st.input_mode = CSL_CAM_INPUT_MODE_DATA_CLOCK;
}
if (csl_cam_open(&csl_cam_intf_cfg_st, &unicam_dev->cslCamHandle)) {
dev_err(unicam_dev->dev, "%s: csl_cam_open(): ERROR\n",
__func__);
return -1;
}
/* set data lane timing */
cslCamLaneCtrl_st.lane_select = CSL_CAM_DATA_LANE_0;
cslCamLaneCtrl_st.lane_control = CSL_CAM_LANE_HS_TERM_TIME;
cslCamLaneCtrl_st.param =
unicam_dev->if_params.parms.serial.hs_term_time;
dprintk("hs_term_time is set to = %d\n", cslCamLaneCtrl_st.param);
if (csl_cam_set_lane_control
(unicam_dev->cslCamHandle, &cslCamLaneCtrl_st)) {
dev_err(unicam_dev->dev,
"csl_cam_set_lane_control(): FAILED\n");
return -1;
}
if (unicam_dev->if_params.parms.serial.hs_settle_time != 0) {
cslCamLaneCtrl_st.lane_select = CSL_CAM_DATA_LANE_0;
cslCamLaneCtrl_st.lane_control = CSL_CAM_LANE_HS_SETTLE_TIME;
cslCamLaneCtrl_st.param =
unicam_dev->if_params.parms.serial.hs_settle_time;
dprintk("hs_settle_time is set to = %d\n",
cslCamLaneCtrl_st.param);
if (csl_cam_set_lane_control
(unicam_dev->cslCamHandle, &cslCamLaneCtrl_st)) {
dev_err(unicam_dev->dev,
"csl_cam_set_lane_control(): FAILED\n");
return -1;
}
}
/* pipelince decode */
cslCamPipeline.decode = CSL_CAM_DEC_NONE;
cslCamPipeline.unpack = CSL_CAM_PIXEL_NONE;
cslCamPipeline.pack = CSL_CAM_PIXEL_NONE;
cslCamPipeline.dec_adv_predictor = FALSE;
cslCamPipeline.encode = CSL_CAM_ENC_NONE;
cslCamPipeline.enc_adv_predictor = FALSE;
cslCamPipeline.encode_blk_size = 0x0000;
/* set pipeline */
if (csl_cam_set_pipeline_control
(unicam_dev->cslCamHandle, &cslCamPipeline)) {
dev_err(unicam_dev->dev,
"csl_cam_set_pipeline_control(): FAILE\n");
return -1;
}
/* set image identifier (CSI mode only) */
memset(&cslCamImageCtrl, 0, sizeof(CSL_CAM_IMAGE_ID_st_t));
/* if thumbnail is supported we expect
* thumbnail to be in image ptr format of thumbnails is yuv422
* format is checked in try format.
* in case where thumbnail is not supported we get jpeg
* image in data pointer. so we set the id as 0
*/
thumb = 0;
ret =
v4l2_subdev_call(sd, core, ioctl, VIDIOC_THUMB_SUPPORTED,
(void *)&thumb);
if (ret < 0)
dev_warn(unicam_dev->dev,
"sensor returns error(%d) for VIDIOC_THUMB_SUPPORTED\n",
ret);
if ((icd->current_fmt->code == V4L2_MBUS_FMT_JPEG_1X8)
&& (thumb == 0))
cslCamImageCtrl.image_data_id0 = 0x0;
/* thumbnail not supported */
else
cslCamImageCtrl.image_data_id0 = 0x1E;
if (unicam_dev->if_params.if_mode ==
V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI1)
cslCamImageCtrl.image_data_id0 = 0x0; /* CCP2 channel ID 0 */
if (csl_cam_set_image_type_control
(unicam_dev->cslCamHandle, &cslCamImageCtrl)) {
dev_err(unicam_dev->dev,
"csl_cam_set_image_type_control(): FAILED\n");
return -1;
}
/* set data capture */
cslCamDataCtrl.int_enable = (CSL_CAM_INTERRUPT_t) (CSL_CAM_INT_DISABLE);
if (unicam_dev->if_params.if_mode ==
V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI2) {
cslCamDataCtrl.line_count = 2;
cslCamDataCtrl.fsp_decode_enable = FALSE;
} else {
cslCamDataCtrl.line_count = 0;
cslCamDataCtrl.fsp_decode_enable = TRUE;
}
cslCamDataCtrl.data_id = 0x00;
cslCamDataCtrl.data_size = CSL_CAM_PIXEL_8BIT;
if (csl_cam_set_data_type_control
(unicam_dev->cslCamHandle, &cslCamDataCtrl)) {
dev_err(unicam_dev->dev,
"csl_cam_set_data_type_control(): FAILED\n");
return -1;
}
/* start receiver */
if (csl_cam_rx_start(unicam_dev->cslCamHandle)) {
dev_err(unicam_dev->dev, "csl_cam_rx_start(): FAILED\n");
return -1;
}
/* Enabling sensor after enabling unicam */
/*
ret = v4l2_subdev_call(sd, video, s_stream, 1);
if (ret < 0 && ret != -ENOIOCTLCMD) {
dev_err(unicam_dev->dev, "error on s_stream(%d)\n", ret);
return ret;
}
*/
if (unicam_dev->if_params.if_mode ==
V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI1) {
cslCamFrame.int_enable = CSL_CAM_INT_LINE_COUNT;
/* CSL_CAM_INT_FRAME_END | CSL_CAM_INT_FRAME_START;
//CSL_CAM_INT_LINE_COUNT;
cslCamFrame.int_line_count =
(unicam_dev->icd->user_height - 1);*/
cslCamFrame.int_line_count = (unicam_dev->icd->user_height);
cslCamFrame.capture_mode = CSL_CAM_CAPTURE_MODE_NORMAL;
/* CSL_CAM_CAPTURE_MODE_NORMAL */
if (csl_cam_set_frame_control(
unicam_dev->cslCamHandle, &cslCamFrame)) {
dev_err(unicam_dev->dev,
"csl_cam_set_frame_control(): FAILED\n");
return -1;
}
}
/* Configure HW if buffer is queued ahead of streamon */
spin_lock_irqsave(&unicam_dev->lock, flags);
if(unicam_dev->active){
unicam_camera_update_buf(unicam_dev);
if (unicam_dev->if_params.if_mode ==
V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI2)
unicam_camera_capture(unicam_dev);
}
unicam_dev->streaming = 1;
spin_unlock_irqrestore(&unicam_dev->lock, flags);
csl_cam_register_display(unicam_dev->cslCamHandle);
dprintk("-exit");
return 0;
}
