Lines Matching full:isc
3 * Microchip Image Sensor Controller (ISC) common driver base
25 #include <linux/atmel-isc-media.h>
36 #include "atmel-isc-regs.h"
37 #include "atmel-isc.h"
48 /* This is a list of the formats that the ISC can *output* */
82 /* This is a list of formats that the ISC can receive as *input* */
228 static inline void isc_update_v4l2_ctrls(struct isc_device *isc) in isc_update_v4l2_ctrls() argument
230 struct isc_ctrls *ctrls = &isc->ctrls; in isc_update_v4l2_ctrls()
233 v4l2_ctrl_s_ctrl(isc->r_gain_ctrl, ctrls->gain[ISC_HIS_CFG_MODE_R]); in isc_update_v4l2_ctrls()
234 v4l2_ctrl_s_ctrl(isc->b_gain_ctrl, ctrls->gain[ISC_HIS_CFG_MODE_B]); in isc_update_v4l2_ctrls()
235 v4l2_ctrl_s_ctrl(isc->gr_gain_ctrl, ctrls->gain[ISC_HIS_CFG_MODE_GR]); in isc_update_v4l2_ctrls()
236 v4l2_ctrl_s_ctrl(isc->gb_gain_ctrl, ctrls->gain[ISC_HIS_CFG_MODE_GB]); in isc_update_v4l2_ctrls()
238 v4l2_ctrl_s_ctrl(isc->r_off_ctrl, ctrls->offset[ISC_HIS_CFG_MODE_R]); in isc_update_v4l2_ctrls()
239 v4l2_ctrl_s_ctrl(isc->b_off_ctrl, ctrls->offset[ISC_HIS_CFG_MODE_B]); in isc_update_v4l2_ctrls()
240 v4l2_ctrl_s_ctrl(isc->gr_off_ctrl, ctrls->offset[ISC_HIS_CFG_MODE_GR]); in isc_update_v4l2_ctrls()
241 v4l2_ctrl_s_ctrl(isc->gb_off_ctrl, ctrls->offset[ISC_HIS_CFG_MODE_GB]); in isc_update_v4l2_ctrls()
244 static inline void isc_update_awb_ctrls(struct isc_device *isc) in isc_update_awb_ctrls() argument
246 struct isc_ctrls *ctrls = &isc->ctrls; in isc_update_awb_ctrls()
250 regmap_write(isc->regmap, ISC_WB_O_RGR, in isc_update_awb_ctrls()
253 regmap_write(isc->regmap, ISC_WB_O_BGB, in isc_update_awb_ctrls()
256 regmap_write(isc->regmap, ISC_WB_G_RGR, in isc_update_awb_ctrls()
259 regmap_write(isc->regmap, ISC_WB_G_BGB, in isc_update_awb_ctrls()
264 static inline void isc_reset_awb_ctrls(struct isc_device *isc) in isc_reset_awb_ctrls() argument
270 isc->ctrls.gain[c] = 1 << 9; in isc_reset_awb_ctrls()
272 isc->ctrls.offset[c] = 0; in isc_reset_awb_ctrls()
322 dev_dbg(isc_clk->dev, "ISC CLK: %s, div = %d, parent id = %d\n", in isc_clk_enable()
419 "ISC CLK: %s, best_rate = %ld, parent clk: %s @ %ld\n", in isc_clk_determine_rate()
483 static int isc_clk_register(struct isc_device *isc, unsigned int id) in isc_clk_register() argument
485 struct regmap *regmap = isc->regmap; in isc_clk_register()
486 struct device_node *np = isc->dev->of_node; in isc_clk_register()
505 clk_name = "isc-ispck"; in isc_clk_register()
513 isc_clk = &isc->isc_clks[id]; in isc_clk_register()
517 isc_clk->dev = isc->dev; in isc_clk_register()
520 isc_clk->clk = clk_register(isc->dev, &isc_clk->hw); in isc_clk_register()
522 dev_err(isc->dev, "%s: clock register fail\n", clk_name); in isc_clk_register()
530 int isc_clk_init(struct isc_device *isc) in isc_clk_init() argument
535 for (i = 0; i < ARRAY_SIZE(isc->isc_clks); i++) in isc_clk_init()
536 isc->isc_clks[i].clk = ERR_PTR(-EINVAL); in isc_clk_init()
538 for (i = 0; i < ARRAY_SIZE(isc->isc_clks); i++) { in isc_clk_init()
539 ret = isc_clk_register(isc, i); in isc_clk_init()
547 void isc_clk_cleanup(struct isc_device *isc) in isc_clk_cleanup() argument
551 of_clk_del_provider(isc->dev->of_node); in isc_clk_cleanup()
553 for (i = 0; i < ARRAY_SIZE(isc->isc_clks); i++) { in isc_clk_cleanup()
554 struct isc_clk *isc_clk = &isc->isc_clks[i]; in isc_clk_cleanup()
565 struct isc_device *isc = vb2_get_drv_priv(vq); in isc_queue_setup() local
566 unsigned int size = isc->fmt.fmt.pix.sizeimage; in isc_queue_setup()
580 struct isc_device *isc = vb2_get_drv_priv(vb->vb2_queue); in isc_buffer_prepare() local
581 unsigned long size = isc->fmt.fmt.pix.sizeimage; in isc_buffer_prepare()
584 v4l2_err(&isc->v4l2_dev, "buffer too small (%lu < %lu)\n", in isc_buffer_prepare()
591 vbuf->field = isc->fmt.fmt.pix.field; in isc_buffer_prepare()
596 static void isc_start_dma(struct isc_device *isc) in isc_start_dma() argument
598 struct regmap *regmap = isc->regmap; in isc_start_dma()
599 u32 sizeimage = isc->fmt.fmt.pix.sizeimage; in isc_start_dma()
604 h = isc->fmt.fmt.pix.height; in isc_start_dma()
605 w = isc->fmt.fmt.pix.width; in isc_start_dma()
609 * with two samples on the ISC Data bus (which is 8-12) in isc_start_dma()
610 * ISC will count each sample, so, we need to multiply these values in isc_start_dma()
613 if (!ISC_IS_FORMAT_RAW(isc->config.sd_format->mbus_code)) { in isc_start_dma()
619 * We limit the column/row count that the ISC will output according in isc_start_dma()
622 * sending more data, and the ISC will just take it and DMA to memory, in isc_start_dma()
637 addr0 = vb2_dma_contig_plane_dma_addr(&isc->cur_frm->vb.vb2_buf, 0); in isc_start_dma()
640 switch (isc->config.fourcc) { in isc_start_dma()
653 dctrl_dview = isc->config.dctrl_dview; in isc_start_dma()
656 spin_lock(&isc->awb_lock); in isc_start_dma()
658 spin_unlock(&isc->awb_lock); in isc_start_dma()
661 static void isc_set_pipeline(struct isc_device *isc, u32 pipeline) in isc_set_pipeline() argument
663 struct regmap *regmap = isc->regmap; in isc_set_pipeline()
664 struct isc_ctrls *ctrls = &isc->ctrls; in isc_set_pipeline()
672 regmap_field_write(isc->pipeline[i], val); in isc_set_pipeline()
678 bay_cfg = isc->config.sd_format->cfa_baycfg; in isc_set_pipeline()
681 isc_update_awb_ctrls(isc); in isc_set_pipeline()
682 isc_update_v4l2_ctrls(isc); in isc_set_pipeline()
703 static int isc_update_profile(struct isc_device *isc) in isc_update_profile() argument
705 struct regmap *regmap = isc->regmap; in isc_update_profile()
718 v4l2_warn(&isc->v4l2_dev, "Time out to update profile\n"); in isc_update_profile()
725 static void isc_set_histogram(struct isc_device *isc, bool enable) in isc_set_histogram() argument
727 struct regmap *regmap = isc->regmap; in isc_set_histogram()
728 struct isc_ctrls *ctrls = &isc->ctrls; in isc_set_histogram()
733 (isc->config.sd_format->cfa_baycfg in isc_set_histogram()
739 isc_update_profile(isc); in isc_set_histogram()
751 static int isc_configure(struct isc_device *isc) in isc_configure() argument
753 struct regmap *regmap = isc->regmap; in isc_configure()
755 struct isc_subdev_entity *subdev = isc->current_subdev; in isc_configure()
757 pfe_cfg0 = isc->config.sd_format->pfe_cfg0_bps; in isc_configure()
758 rlp_mode = isc->config.rlp_cfg_mode; in isc_configure()
759 pipeline = isc->config.bits_pipeline; in isc_configure()
761 dcfg = isc->config.dcfg_imode | in isc_configure()
778 isc_set_pipeline(isc, pipeline); in isc_configure()
784 if (isc->ctrls.awb && in isc_configure()
785 ISC_IS_FORMAT_RAW(isc->config.sd_format->mbus_code)) in isc_configure()
786 isc_set_histogram(isc, true); in isc_configure()
788 isc_set_histogram(isc, false); in isc_configure()
791 return isc_update_profile(isc); in isc_configure()
796 struct isc_device *isc = vb2_get_drv_priv(vq); in isc_start_streaming() local
797 struct regmap *regmap = isc->regmap; in isc_start_streaming()
803 ret = v4l2_subdev_call(isc->current_subdev->sd, video, s_stream, 1); in isc_start_streaming()
805 v4l2_err(&isc->v4l2_dev, "stream on failed in subdev %d\n", in isc_start_streaming()
810 pm_runtime_get_sync(isc->dev); in isc_start_streaming()
812 ret = isc_configure(isc); in isc_start_streaming()
819 spin_lock_irqsave(&isc->dma_queue_lock, flags); in isc_start_streaming()
821 isc->sequence = 0; in isc_start_streaming()
822 isc->stop = false; in isc_start_streaming()
823 reinit_completion(&isc->comp); in isc_start_streaming()
825 isc->cur_frm = list_first_entry(&isc->dma_queue, in isc_start_streaming()
827 list_del(&isc->cur_frm->list); in isc_start_streaming()
829 isc_start_dma(isc); in isc_start_streaming()
831 spin_unlock_irqrestore(&isc->dma_queue_lock, flags); in isc_start_streaming()
834 if (ISC_IS_FORMAT_RAW(isc->config.sd_format->mbus_code)) in isc_start_streaming()
835 v4l2_ctrl_activate(isc->do_wb_ctrl, true); in isc_start_streaming()
840 pm_runtime_put_sync(isc->dev); in isc_start_streaming()
842 v4l2_subdev_call(isc->current_subdev->sd, video, s_stream, 0); in isc_start_streaming()
845 spin_lock_irqsave(&isc->dma_queue_lock, flags); in isc_start_streaming()
846 list_for_each_entry(buf, &isc->dma_queue, list) in isc_start_streaming()
848 INIT_LIST_HEAD(&isc->dma_queue); in isc_start_streaming()
849 spin_unlock_irqrestore(&isc->dma_queue_lock, flags); in isc_start_streaming()
856 struct isc_device *isc = vb2_get_drv_priv(vq); in isc_stop_streaming() local
861 v4l2_ctrl_activate(isc->do_wb_ctrl, false); in isc_stop_streaming()
863 isc->stop = true; in isc_stop_streaming()
866 if (isc->cur_frm && !wait_for_completion_timeout(&isc->comp, 5 * HZ)) in isc_stop_streaming()
867 v4l2_err(&isc->v4l2_dev, in isc_stop_streaming()
871 regmap_write(isc->regmap, ISC_INTDIS, ISC_INT_DDONE); in isc_stop_streaming()
873 pm_runtime_put_sync(isc->dev); in isc_stop_streaming()
876 ret = v4l2_subdev_call(isc->current_subdev->sd, video, s_stream, 0); in isc_stop_streaming()
878 v4l2_err(&isc->v4l2_dev, "stream off failed in subdev\n"); in isc_stop_streaming()
881 spin_lock_irqsave(&isc->dma_queue_lock, flags); in isc_stop_streaming()
882 if (unlikely(isc->cur_frm)) { in isc_stop_streaming()
883 vb2_buffer_done(&isc->cur_frm->vb.vb2_buf, in isc_stop_streaming()
885 isc->cur_frm = NULL; in isc_stop_streaming()
887 list_for_each_entry(buf, &isc->dma_queue, list) in isc_stop_streaming()
889 INIT_LIST_HEAD(&isc->dma_queue); in isc_stop_streaming()
890 spin_unlock_irqrestore(&isc->dma_queue_lock, flags); in isc_stop_streaming()
897 struct isc_device *isc = vb2_get_drv_priv(vb->vb2_queue); in isc_buffer_queue() local
900 spin_lock_irqsave(&isc->dma_queue_lock, flags); in isc_buffer_queue()
901 if (!isc->cur_frm && list_empty(&isc->dma_queue) && in isc_buffer_queue()
903 isc->cur_frm = buf; in isc_buffer_queue()
904 isc_start_dma(isc); in isc_buffer_queue()
906 list_add_tail(&buf->list, &isc->dma_queue); in isc_buffer_queue()
907 spin_unlock_irqrestore(&isc->dma_queue_lock, flags); in isc_buffer_queue()
910 static struct isc_format *find_format_by_fourcc(struct isc_device *isc, in find_format_by_fourcc() argument
913 unsigned int num_formats = isc->num_user_formats; in find_format_by_fourcc()
918 fmt = isc->user_formats[i]; in find_format_by_fourcc()
939 struct isc_device *isc = video_drvdata(file); in isc_querycap() local
944 "platform:%s", isc->v4l2_dev.name); in isc_querycap()
982 struct isc_device *isc = video_drvdata(file); in isc_g_fmt_vid_cap() local
984 *fmt = isc->fmt; in isc_g_fmt_vid_cap()
990 * Checks the current configured format, if ISC can output it,
991 * considering which type of format the ISC receives from the sensor
993 static int isc_try_validate_formats(struct isc_device *isc) in isc_try_validate_formats() argument
999 switch (isc->try_config.fourcc) { in isc_try_validate_formats()
1040 v4l2_dbg(1, debug, &isc->v4l2_dev, in isc_try_validate_formats()
1045 if ((bayer) && !ISC_IS_FORMAT_RAW(isc->try_config.sd_format->mbus_code)) in isc_try_validate_formats()
1049 if (grey && !ISC_IS_FORMAT_RAW(isc->try_config.sd_format->mbus_code) && in isc_try_validate_formats()
1050 !ISC_IS_FORMAT_GREY(isc->try_config.sd_format->mbus_code)) in isc_try_validate_formats()
1058 * configured for the ISC.
1061 static int isc_try_configure_rlp_dma(struct isc_device *isc, bool direct_dump) in isc_try_configure_rlp_dma() argument
1063 switch (isc->try_config.fourcc) { in isc_try_configure_rlp_dma()
1068 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_DAT8; in isc_try_configure_rlp_dma()
1069 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED8; in isc_try_configure_rlp_dma()
1070 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; in isc_try_configure_rlp_dma()
1071 isc->try_config.bpp = 8; in isc_try_configure_rlp_dma()
1077 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_DAT10; in isc_try_configure_rlp_dma()
1078 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED16; in isc_try_configure_rlp_dma()
1079 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; in isc_try_configure_rlp_dma()
1080 isc->try_config.bpp = 16; in isc_try_configure_rlp_dma()
1086 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_DAT12; in isc_try_configure_rlp_dma()
1087 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED16; in isc_try_configure_rlp_dma()
1088 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; in isc_try_configure_rlp_dma()
1089 isc->try_config.bpp = 16; in isc_try_configure_rlp_dma()
1092 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_RGB565; in isc_try_configure_rlp_dma()
1093 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED16; in isc_try_configure_rlp_dma()
1094 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; in isc_try_configure_rlp_dma()
1095 isc->try_config.bpp = 16; in isc_try_configure_rlp_dma()
1098 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_ARGB444; in isc_try_configure_rlp_dma()
1099 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED16; in isc_try_configure_rlp_dma()
1100 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; in isc_try_configure_rlp_dma()
1101 isc->try_config.bpp = 16; in isc_try_configure_rlp_dma()
1104 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_ARGB555; in isc_try_configure_rlp_dma()
1105 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED16; in isc_try_configure_rlp_dma()
1106 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; in isc_try_configure_rlp_dma()
1107 isc->try_config.bpp = 16; in isc_try_configure_rlp_dma()
1111 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_ARGB32; in isc_try_configure_rlp_dma()
1112 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED32; in isc_try_configure_rlp_dma()
1113 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; in isc_try_configure_rlp_dma()
1114 isc->try_config.bpp = 32; in isc_try_configure_rlp_dma()
1117 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_YYCC; in isc_try_configure_rlp_dma()
1118 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_YC420P; in isc_try_configure_rlp_dma()
1119 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PLANAR; in isc_try_configure_rlp_dma()
1120 isc->try_config.bpp = 12; in isc_try_configure_rlp_dma()
1123 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_YYCC; in isc_try_configure_rlp_dma()
1124 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_YC422P; in isc_try_configure_rlp_dma()
1125 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PLANAR; in isc_try_configure_rlp_dma()
1126 isc->try_config.bpp = 16; in isc_try_configure_rlp_dma()
1129 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_YYCC; in isc_try_configure_rlp_dma()
1130 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED32; in isc_try_configure_rlp_dma()
1131 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; in isc_try_configure_rlp_dma()
1132 isc->try_config.bpp = 16; in isc_try_configure_rlp_dma()
1135 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_DATY8; in isc_try_configure_rlp_dma()
1136 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED8; in isc_try_configure_rlp_dma()
1137 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; in isc_try_configure_rlp_dma()
1138 isc->try_config.bpp = 8; in isc_try_configure_rlp_dma()
1141 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_DATY10; in isc_try_configure_rlp_dma()
1142 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED16; in isc_try_configure_rlp_dma()
1143 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; in isc_try_configure_rlp_dma()
1144 isc->try_config.bpp = 16; in isc_try_configure_rlp_dma()
1151 isc->try_config.rlp_cfg_mode = ISC_RLP_CFG_MODE_DAT8; in isc_try_configure_rlp_dma()
1152 isc->try_config.dcfg_imode = ISC_DCFG_IMODE_PACKED8; in isc_try_configure_rlp_dma()
1153 isc->try_config.dctrl_dview = ISC_DCTRL_DVIEW_PACKED; in isc_try_configure_rlp_dma()
1161 * Configuring pipeline modules, depending on which format the ISC outputs
1164 static int isc_try_configure_pipeline(struct isc_device *isc) in isc_try_configure_pipeline() argument
1166 switch (isc->try_config.fourcc) { in isc_try_configure_pipeline()
1172 /* if sensor format is RAW, we convert inside ISC */ in isc_try_configure_pipeline()
1173 if (ISC_IS_FORMAT_RAW(isc->try_config.sd_format->mbus_code)) { in isc_try_configure_pipeline()
1174 isc->try_config.bits_pipeline = CFA_ENABLE | in isc_try_configure_pipeline()
1177 isc->try_config.bits_pipeline = 0x0; in isc_try_configure_pipeline()
1181 /* if sensor format is RAW, we convert inside ISC */ in isc_try_configure_pipeline()
1182 if (ISC_IS_FORMAT_RAW(isc->try_config.sd_format->mbus_code)) { in isc_try_configure_pipeline()
1183 isc->try_config.bits_pipeline = CFA_ENABLE | in isc_try_configure_pipeline()
1187 isc->try_config.bits_pipeline = 0x0; in isc_try_configure_pipeline()
1191 /* if sensor format is RAW, we convert inside ISC */ in isc_try_configure_pipeline()
1192 if (ISC_IS_FORMAT_RAW(isc->try_config.sd_format->mbus_code)) { in isc_try_configure_pipeline()
1193 isc->try_config.bits_pipeline = CFA_ENABLE | in isc_try_configure_pipeline()
1197 isc->try_config.bits_pipeline = 0x0; in isc_try_configure_pipeline()
1201 /* if sensor format is RAW, we convert inside ISC */ in isc_try_configure_pipeline()
1202 if (ISC_IS_FORMAT_RAW(isc->try_config.sd_format->mbus_code)) { in isc_try_configure_pipeline()
1203 isc->try_config.bits_pipeline = CFA_ENABLE | in isc_try_configure_pipeline()
1207 isc->try_config.bits_pipeline = 0x0; in isc_try_configure_pipeline()
1211 if (ISC_IS_FORMAT_RAW(isc->try_config.sd_format->mbus_code)) { in isc_try_configure_pipeline()
1212 /* if sensor format is RAW, we convert inside ISC */ in isc_try_configure_pipeline()
1213 isc->try_config.bits_pipeline = CFA_ENABLE | in isc_try_configure_pipeline()
1217 isc->try_config.bits_pipeline = 0x0; in isc_try_configure_pipeline()
1221 isc->try_config.bits_pipeline = 0x0; in isc_try_configure_pipeline()
1226 static void isc_try_fse(struct isc_device *isc, in isc_try_fse() argument
1236 if (!isc->try_config.sd_format) in isc_try_fse()
1239 fse.code = isc->try_config.sd_format->mbus_code; in isc_try_fse()
1242 ret = v4l2_subdev_call(isc->current_subdev->sd, pad, enum_frame_size, in isc_try_fse()
1246 * just use the maximum ISC can receive. in isc_try_fse()
1257 static int isc_try_fmt(struct isc_device *isc, struct v4l2_format *f, in isc_try_fmt() argument
1275 for (i = 0; i < isc->num_user_formats; i++) { in isc_try_fmt()
1276 if (ISC_IS_FORMAT_RAW(isc->user_formats[i]->mbus_code)) { in isc_try_fmt()
1277 sd_fmt = isc->user_formats[i]; in isc_try_fmt()
1284 direct_fmt = find_format_by_fourcc(isc, pixfmt->pixelformat); in isc_try_fmt()
1307 sd_fmt = isc->user_formats[isc->num_user_formats - 1]; in isc_try_fmt()
1308 v4l2_dbg(1, debug, &isc->v4l2_dev, in isc_try_fmt()
1319 v4l2_dbg(1, debug, &isc->v4l2_dev, in isc_try_fmt()
1324 isc->try_config.sd_format = sd_fmt; in isc_try_fmt()
1326 /* Limit to Atmel ISC hardware capabilities */ in isc_try_fmt()
1334 * The pixels will be transferred in this format Sensor -> ISC in isc_try_fmt()
1342 isc->try_config.fourcc = pixfmt->pixelformat; in isc_try_fmt()
1344 if (isc_try_validate_formats(isc)) { in isc_try_fmt()
1345 pixfmt->pixelformat = isc->try_config.fourcc = sd_fmt->fourcc; in isc_try_fmt()
1347 ret = isc_try_validate_formats(isc); in isc_try_fmt()
1352 ret = isc_try_configure_rlp_dma(isc, rlp_dma_direct_dump); in isc_try_fmt()
1356 ret = isc_try_configure_pipeline(isc); in isc_try_fmt()
1361 isc_try_fse(isc, &pad_cfg); in isc_try_fmt()
1364 ret = v4l2_subdev_call(isc->current_subdev->sd, pad, set_fmt, in isc_try_fmt()
1372 pixfmt->bytesperline = (pixfmt->width * isc->try_config.bpp) >> 3; in isc_try_fmt()
1381 v4l2_err(&isc->v4l2_dev, "Could not find any possible format for a working pipeline\n"); in isc_try_fmt()
1383 memset(&isc->try_config, 0, sizeof(isc->try_config)); in isc_try_fmt()
1388 static int isc_set_fmt(struct isc_device *isc, struct v4l2_format *f) in isc_set_fmt() argument
1396 ret = isc_try_fmt(isc, f, &mbus_code); in isc_set_fmt()
1401 ret = v4l2_subdev_call(isc->current_subdev->sd, pad, in isc_set_fmt()
1406 isc->fmt = *f; in isc_set_fmt()
1408 if (isc->try_config.sd_format && isc->config.sd_format && in isc_set_fmt()
1409 isc->try_config.sd_format != isc->config.sd_format) { in isc_set_fmt()
1410 isc->ctrls.hist_stat = HIST_INIT; in isc_set_fmt()
1411 isc_reset_awb_ctrls(isc); in isc_set_fmt()
1412 isc_update_v4l2_ctrls(isc); in isc_set_fmt()
1415 isc->config = isc->try_config; in isc_set_fmt()
1417 v4l2_dbg(1, debug, &isc->v4l2_dev, "New ISC configuration in place\n"); in isc_set_fmt()
1425 struct isc_device *isc = video_drvdata(file); in isc_s_fmt_vid_cap() local
1427 if (vb2_is_streaming(&isc->vb2_vidq)) in isc_s_fmt_vid_cap()
1430 return isc_set_fmt(isc, f); in isc_s_fmt_vid_cap()
1436 struct isc_device *isc = video_drvdata(file); in isc_try_fmt_vid_cap() local
1438 return isc_try_fmt(isc, f, NULL); in isc_try_fmt_vid_cap()
1471 struct isc_device *isc = video_drvdata(file); in isc_g_parm() local
1473 return v4l2_g_parm_cap(video_devdata(file), isc->current_subdev->sd, a); in isc_g_parm()
1478 struct isc_device *isc = video_drvdata(file); in isc_s_parm() local
1480 return v4l2_s_parm_cap(video_devdata(file), isc->current_subdev->sd, a); in isc_s_parm()
1486 struct isc_device *isc = video_drvdata(file); in isc_enum_framesizes() local
1488 .code = isc->config.sd_format->mbus_code, in isc_enum_framesizes()
1495 for (i = 0; i < isc->num_user_formats; i++) in isc_enum_framesizes()
1496 if (isc->user_formats[i]->fourcc == fsize->pixel_format) in isc_enum_framesizes()
1506 ret = v4l2_subdev_call(isc->current_subdev->sd, pad, enum_frame_size, in isc_enum_framesizes()
1521 struct isc_device *isc = video_drvdata(file); in isc_enum_frameintervals() local
1523 .code = isc->config.sd_format->mbus_code, in isc_enum_frameintervals()
1532 for (i = 0; i < isc->num_user_formats; i++) in isc_enum_frameintervals()
1533 if (isc->user_formats[i]->fourcc == fival->pixel_format) in isc_enum_frameintervals()
1543 ret = v4l2_subdev_call(isc->current_subdev->sd, pad, in isc_enum_frameintervals()
1587 struct isc_device *isc = video_drvdata(file); in isc_open() local
1588 struct v4l2_subdev *sd = isc->current_subdev->sd; in isc_open()
1591 if (mutex_lock_interruptible(&isc->lock)) in isc_open()
1607 ret = isc_set_fmt(isc, &isc->fmt); in isc_open()
1614 mutex_unlock(&isc->lock); in isc_open()
1620 struct isc_device *isc = video_drvdata(file); in isc_release() local
1621 struct v4l2_subdev *sd = isc->current_subdev->sd; in isc_release()
1625 mutex_lock(&isc->lock); in isc_release()
1634 mutex_unlock(&isc->lock); in isc_release()
1651 struct isc_device *isc = (struct isc_device *)dev_id; in isc_interrupt() local
1652 struct regmap *regmap = isc->regmap; in isc_interrupt()
1662 spin_lock(&isc->dma_queue_lock); in isc_interrupt()
1663 if (isc->cur_frm) { in isc_interrupt()
1664 struct vb2_v4l2_buffer *vbuf = &isc->cur_frm->vb; in isc_interrupt()
1668 vbuf->sequence = isc->sequence++; in isc_interrupt()
1670 isc->cur_frm = NULL; in isc_interrupt()
1673 if (!list_empty(&isc->dma_queue) && !isc->stop) { in isc_interrupt()
1674 isc->cur_frm = list_first_entry(&isc->dma_queue, in isc_interrupt()
1676 list_del(&isc->cur_frm->list); in isc_interrupt()
1678 isc_start_dma(isc); in isc_interrupt()
1681 if (isc->stop) in isc_interrupt()
1682 complete(&isc->comp); in isc_interrupt()
1685 spin_unlock(&isc->dma_queue_lock); in isc_interrupt()
1689 schedule_work(&isc->awb_work); in isc_interrupt()
1696 static void isc_hist_count(struct isc_device *isc, u32 *min, u32 *max) in isc_hist_count() argument
1698 struct regmap *regmap = isc->regmap; in isc_hist_count()
1699 struct isc_ctrls *ctrls = &isc->ctrls; in isc_hist_count()
1804 struct isc_device *isc = in isc_awb_work() local
1806 struct regmap *regmap = isc->regmap; in isc_awb_work()
1807 struct isc_ctrls *ctrls = &isc->ctrls; in isc_awb_work()
1814 if (isc->stop) in isc_awb_work()
1820 isc_hist_count(isc, &min, &max); in isc_awb_work()
1832 baysel = isc->config.sd_format->cfa_baycfg << ISC_HIS_CFG_BAYSEL_SHIFT; in isc_awb_work()
1834 pm_runtime_get_sync(isc->dev); in isc_awb_work()
1847 spin_lock_irqsave(&isc->awb_lock, flags); in isc_awb_work()
1848 isc_update_awb_ctrls(isc); in isc_awb_work()
1849 spin_unlock_irqrestore(&isc->awb_lock, flags); in isc_awb_work()
1856 v4l2_info(&isc->v4l2_dev, in isc_awb_work()
1859 isc_update_v4l2_ctrls(isc); in isc_awb_work()
1864 isc_update_profile(isc); in isc_awb_work()
1869 pm_runtime_put_sync(isc->dev); in isc_awb_work()
1874 struct isc_device *isc = container_of(ctrl->handler, in isc_s_ctrl() local
1876 struct isc_ctrls *ctrls = &isc->ctrls; in isc_s_ctrl()
1904 struct isc_device *isc = container_of(ctrl->handler, in isc_s_awb_ctrl() local
1906 struct isc_ctrls *ctrls = &isc->ctrls; in isc_s_awb_ctrl()
1918 /* we did not configure ISC yet */ in isc_s_awb_ctrl()
1919 if (!isc->config.sd_format) in isc_s_awb_ctrl()
1924 ctrls->gain[ISC_HIS_CFG_MODE_R] = isc->r_gain_ctrl->val; in isc_s_awb_ctrl()
1926 ctrls->gain[ISC_HIS_CFG_MODE_B] = isc->b_gain_ctrl->val; in isc_s_awb_ctrl()
1928 ctrls->gain[ISC_HIS_CFG_MODE_GR] = isc->gr_gain_ctrl->val; in isc_s_awb_ctrl()
1930 ctrls->gain[ISC_HIS_CFG_MODE_GB] = isc->gb_gain_ctrl->val; in isc_s_awb_ctrl()
1933 ctrls->offset[ISC_HIS_CFG_MODE_R] = isc->r_off_ctrl->val; in isc_s_awb_ctrl()
1935 ctrls->offset[ISC_HIS_CFG_MODE_B] = isc->b_off_ctrl->val; in isc_s_awb_ctrl()
1937 ctrls->offset[ISC_HIS_CFG_MODE_GR] = isc->gr_off_ctrl->val; in isc_s_awb_ctrl()
1939 ctrls->offset[ISC_HIS_CFG_MODE_GB] = isc->gb_off_ctrl->val; in isc_s_awb_ctrl()
1941 isc_update_awb_ctrls(isc); in isc_s_awb_ctrl()
1943 if (vb2_is_streaming(&isc->vb2_vidq)) { in isc_s_awb_ctrl()
1948 isc_update_profile(isc); in isc_s_awb_ctrl()
1955 v4l2_ctrl_activate(isc->do_wb_ctrl, false); in isc_s_awb_ctrl()
1960 vb2_is_streaming(&isc->vb2_vidq) && in isc_s_awb_ctrl()
1961 ISC_IS_FORMAT_RAW(isc->config.sd_format->mbus_code)) in isc_s_awb_ctrl()
1962 isc_set_histogram(isc, true); in isc_s_awb_ctrl()
1973 isc_set_histogram(isc, true); in isc_s_awb_ctrl()
1974 v4l2_dbg(1, debug, &isc->v4l2_dev, in isc_s_awb_ctrl()
1984 struct isc_device *isc = container_of(ctrl->handler, in isc_g_volatile_awb_ctrl() local
1986 struct isc_ctrls *ctrls = &isc->ctrls; in isc_g_volatile_awb_ctrl()
2054 static int isc_ctrl_init(struct isc_device *isc) in isc_ctrl_init() argument
2057 struct isc_ctrls *ctrls = &isc->ctrls; in isc_ctrl_init()
2062 isc_reset_awb_ctrls(isc); in isc_ctrl_init()
2074 isc->awb_ctrl = v4l2_ctrl_new_std(hdl, &isc_awb_ops, in isc_ctrl_init()
2079 isc->do_wb_ctrl = v4l2_ctrl_new_std(hdl, &isc_awb_ops, in isc_ctrl_init()
2083 if (!isc->do_wb_ctrl) { in isc_ctrl_init()
2089 v4l2_ctrl_activate(isc->do_wb_ctrl, false); in isc_ctrl_init()
2091 isc->r_gain_ctrl = v4l2_ctrl_new_custom(hdl, &isc_r_gain_ctrl, NULL); in isc_ctrl_init()
2092 isc->b_gain_ctrl = v4l2_ctrl_new_custom(hdl, &isc_b_gain_ctrl, NULL); in isc_ctrl_init()
2093 isc->gr_gain_ctrl = v4l2_ctrl_new_custom(hdl, &isc_gr_gain_ctrl, NULL); in isc_ctrl_init()
2094 isc->gb_gain_ctrl = v4l2_ctrl_new_custom(hdl, &isc_gb_gain_ctrl, NULL); in isc_ctrl_init()
2095 isc->r_off_ctrl = v4l2_ctrl_new_custom(hdl, &isc_r_off_ctrl, NULL); in isc_ctrl_init()
2096 isc->b_off_ctrl = v4l2_ctrl_new_custom(hdl, &isc_b_off_ctrl, NULL); in isc_ctrl_init()
2097 isc->gr_off_ctrl = v4l2_ctrl_new_custom(hdl, &isc_gr_off_ctrl, NULL); in isc_ctrl_init()
2098 isc->gb_off_ctrl = v4l2_ctrl_new_custom(hdl, &isc_gb_off_ctrl, NULL); in isc_ctrl_init()
2104 v4l2_ctrl_auto_cluster(10, &isc->awb_ctrl, 0, true); in isc_ctrl_init()
2115 struct isc_device *isc = container_of(notifier->v4l2_dev, in isc_async_bound() local
2120 if (video_is_registered(&isc->video_dev)) { in isc_async_bound()
2121 v4l2_err(&isc->v4l2_dev, "only supports one sub-device.\n"); in isc_async_bound()
2134 struct isc_device *isc = container_of(notifier->v4l2_dev, in isc_async_unbind() local
2136 cancel_work_sync(&isc->awb_work); in isc_async_unbind()
2137 video_unregister_device(&isc->video_dev); in isc_async_unbind()
2138 v4l2_ctrl_handler_free(&isc->ctrls.handler); in isc_async_unbind()
2158 static int isc_formats_init(struct isc_device *isc) in isc_formats_init() argument
2161 struct v4l2_subdev *subdev = isc->current_subdev->sd; in isc_formats_init()
2175 v4l2_warn(&isc->v4l2_dev, "Mbus code %x not supported\n", in isc_formats_init()
2187 isc->num_user_formats = num_fmts; in isc_formats_init()
2188 isc->user_formats = devm_kcalloc(isc->dev, in isc_formats_init()
2189 num_fmts, sizeof(*isc->user_formats), in isc_formats_init()
2191 if (!isc->user_formats) in isc_formats_init()
2197 isc->user_formats[j++] = fmt; in isc_formats_init()
2204 static int isc_set_default_fmt(struct isc_device *isc) in isc_set_default_fmt() argument
2212 .pixelformat = isc->user_formats[0]->fourcc, in isc_set_default_fmt()
2217 ret = isc_try_fmt(isc, &f, NULL); in isc_set_default_fmt()
2221 isc->fmt = f; in isc_set_default_fmt()
2227 struct isc_device *isc = container_of(notifier->v4l2_dev, in isc_async_complete() local
2229 struct video_device *vdev = &isc->video_dev; in isc_async_complete()
2230 struct vb2_queue *q = &isc->vb2_vidq; in isc_async_complete()
2233 INIT_WORK(&isc->awb_work, isc_awb_work); in isc_async_complete()
2235 ret = v4l2_device_register_subdev_nodes(&isc->v4l2_dev); in isc_async_complete()
2237 v4l2_err(&isc->v4l2_dev, "Failed to register subdev nodes\n"); in isc_async_complete()
2241 isc->current_subdev = container_of(notifier, in isc_async_complete()
2243 mutex_init(&isc->lock); in isc_async_complete()
2244 init_completion(&isc->comp); in isc_async_complete()
2249 q->drv_priv = isc; in isc_async_complete()
2254 q->lock = &isc->lock; in isc_async_complete()
2256 q->dev = isc->dev; in isc_async_complete()
2260 v4l2_err(&isc->v4l2_dev, in isc_async_complete()
2266 INIT_LIST_HEAD(&isc->dma_queue); in isc_async_complete()
2267 spin_lock_init(&isc->dma_queue_lock); in isc_async_complete()
2268 spin_lock_init(&isc->awb_lock); in isc_async_complete()
2270 ret = isc_formats_init(isc); in isc_async_complete()
2272 v4l2_err(&isc->v4l2_dev, in isc_async_complete()
2277 ret = isc_set_default_fmt(isc); in isc_async_complete()
2279 v4l2_err(&isc->v4l2_dev, "Could not set default format\n"); in isc_async_complete()
2283 ret = isc_ctrl_init(isc); in isc_async_complete()
2285 v4l2_err(&isc->v4l2_dev, "Init isc ctrols failed: %d\n", ret); in isc_async_complete()
2294 vdev->v4l2_dev = &isc->v4l2_dev; in isc_async_complete()
2297 vdev->lock = &isc->lock; in isc_async_complete()
2298 vdev->ctrl_handler = &isc->ctrls.handler; in isc_async_complete()
2300 video_set_drvdata(vdev, isc); in isc_async_complete()
2304 v4l2_err(&isc->v4l2_dev, in isc_async_complete()
2312 mutex_destroy(&isc->lock); in isc_async_complete()
2322 void isc_subdev_cleanup(struct isc_device *isc) in isc_subdev_cleanup() argument
2326 list_for_each_entry(subdev_entity, &isc->subdev_entities, list) { in isc_subdev_cleanup()
2331 INIT_LIST_HEAD(&isc->subdev_entities); in isc_subdev_cleanup()
2334 int isc_pipeline_init(struct isc_device *isc) in isc_pipeline_init() argument
2336 struct device *dev = isc->dev; in isc_pipeline_init()
2337 struct regmap *regmap = isc->regmap; in isc_pipeline_init()
2361 isc->pipeline[i] = regs; in isc_pipeline_init()