Lines Matching refs:pcdev
813 static struct device *pcdev_to_dev(struct pxa_camera_dev *pcdev) in pcdev_to_dev() argument
815 return pcdev->v4l2_dev.dev; in pcdev_to_dev()
823 static void pxa_camera_dma_irq(struct pxa_camera_dev *pcdev,
828 struct pxa_camera_dev *pcdev = data; in pxa_camera_dma_irq_y() local
830 pxa_camera_dma_irq(pcdev, DMA_Y); in pxa_camera_dma_irq_y()
835 struct pxa_camera_dev *pcdev = data; in pxa_camera_dma_irq_u() local
837 pxa_camera_dma_irq(pcdev, DMA_U); in pxa_camera_dma_irq_u()
842 struct pxa_camera_dev *pcdev = data; in pxa_camera_dma_irq_v() local
844 pxa_camera_dma_irq(pcdev, DMA_V); in pxa_camera_dma_irq_v()
859 static int pxa_init_dma_channel(struct pxa_camera_dev *pcdev, in pxa_init_dma_channel() argument
863 struct dma_chan *dma_chan = pcdev->dma_chans[channel]; in pxa_init_dma_channel()
869 dev_err(pcdev_to_dev(pcdev), in pxa_init_dma_channel()
874 tx->callback_param = pcdev; in pxa_init_dma_channel()
890 dev_dbg(pcdev_to_dev(pcdev), in pxa_init_dma_channel()
897 static void pxa_videobuf_set_actdma(struct pxa_camera_dev *pcdev, in pxa_videobuf_set_actdma() argument
912 static void pxa_dma_start_channels(struct pxa_camera_dev *pcdev) in pxa_dma_start_channels() argument
916 for (i = 0; i < pcdev->channels; i++) { in pxa_dma_start_channels()
917 dev_dbg(pcdev_to_dev(pcdev), in pxa_dma_start_channels()
919 dma_async_issue_pending(pcdev->dma_chans[i]); in pxa_dma_start_channels()
923 static void pxa_dma_stop_channels(struct pxa_camera_dev *pcdev) in pxa_dma_stop_channels() argument
927 for (i = 0; i < pcdev->channels; i++) { in pxa_dma_stop_channels()
928 dev_dbg(pcdev_to_dev(pcdev), in pxa_dma_stop_channels()
930 dmaengine_terminate_all(pcdev->dma_chans[i]); in pxa_dma_stop_channels()
934 static void pxa_dma_add_tail_buf(struct pxa_camera_dev *pcdev, in pxa_dma_add_tail_buf() argument
939 for (i = 0; i < pcdev->channels; i++) { in pxa_dma_add_tail_buf()
941 dev_dbg(pcdev_to_dev(pcdev), in pxa_dma_add_tail_buf()
955 static void pxa_camera_start_capture(struct pxa_camera_dev *pcdev) in pxa_camera_start_capture() argument
959 dev_dbg(pcdev_to_dev(pcdev), "%s\n", __func__); in pxa_camera_start_capture()
960 __raw_writel(__raw_readl(pcdev->base + CISR), pcdev->base + CISR); in pxa_camera_start_capture()
962 cicr0 = __raw_readl(pcdev->base + CICR0) | CICR0_ENB; in pxa_camera_start_capture()
964 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_start_capture()
967 static void pxa_camera_stop_capture(struct pxa_camera_dev *pcdev) in pxa_camera_stop_capture() argument
971 pxa_dma_stop_channels(pcdev); in pxa_camera_stop_capture()
973 cicr0 = __raw_readl(pcdev->base + CICR0) & ~CICR0_ENB; in pxa_camera_stop_capture()
974 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_stop_capture()
976 pcdev->active = NULL; in pxa_camera_stop_capture()
977 dev_dbg(pcdev_to_dev(pcdev), "%s\n", __func__); in pxa_camera_stop_capture()
980 static void pxa_camera_wakeup(struct pxa_camera_dev *pcdev, in pxa_camera_wakeup() argument
990 vbuf->sequence = pcdev->buf_sequence++; in pxa_camera_wakeup()
993 dev_dbg(pcdev_to_dev(pcdev), "%s dequeued buffer (buf=0x%p)\n", in pxa_camera_wakeup()
996 if (list_empty(&pcdev->capture)) { in pxa_camera_wakeup()
997 pxa_camera_stop_capture(pcdev); in pxa_camera_wakeup()
1001 pcdev->active = list_entry(pcdev->capture.next, in pxa_camera_wakeup()
1023 static void pxa_camera_check_link_miss(struct pxa_camera_dev *pcdev, in pxa_camera_check_link_miss() argument
1029 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_check_link_miss()
1031 __func__, pcdev->active, is_dma_stopped); in pxa_camera_check_link_miss()
1033 if (pcdev->active && is_dma_stopped) in pxa_camera_check_link_miss()
1034 pxa_camera_start_capture(pcdev); in pxa_camera_check_link_miss()
1037 static void pxa_camera_dma_irq(struct pxa_camera_dev *pcdev, in pxa_camera_dma_irq() argument
1047 spin_lock_irqsave(&pcdev->lock, flags); in pxa_camera_dma_irq()
1049 camera_status = __raw_readl(pcdev->base + CISR); in pxa_camera_dma_irq()
1050 dev_dbg(pcdev_to_dev(pcdev), "camera dma irq, cisr=0x%x dma=%d\n", in pxa_camera_dma_irq()
1053 if (pcdev->channels == 3) in pxa_camera_dma_irq()
1068 if (!pcdev->active) in pxa_camera_dma_irq()
1071 buf = pcdev->active; in pxa_camera_dma_irq()
1089 last_buf = list_entry(pcdev->capture.prev, in pxa_camera_dma_irq()
1091 last_status = dma_async_is_tx_complete(pcdev->dma_chans[chan], in pxa_camera_dma_irq()
1096 dev_dbg(pcdev_to_dev(pcdev), "FIFO overrun! CISR: %x\n", in pxa_camera_dma_irq()
1098 pxa_camera_stop_capture(pcdev); in pxa_camera_dma_irq()
1099 list_for_each_entry(buf, &pcdev->capture, queue) in pxa_camera_dma_irq()
1100 pxa_dma_add_tail_buf(pcdev, buf); in pxa_camera_dma_irq()
1101 pxa_camera_start_capture(pcdev); in pxa_camera_dma_irq()
1106 pxa_camera_wakeup(pcdev, buf, VB2_BUF_STATE_DONE); in pxa_camera_dma_irq()
1107 pxa_camera_check_link_miss(pcdev, last_buf->cookie[chan], in pxa_camera_dma_irq()
1112 spin_unlock_irqrestore(&pcdev->lock, flags); in pxa_camera_dma_irq()
1116 struct pxa_camera_dev *pcdev) in mclk_get_divisor() argument
1118 unsigned long mclk = pcdev->mclk; in mclk_get_divisor()
1122 lcdclk = clk_get_rate(pcdev->clk); in mclk_get_divisor()
1123 pcdev->ciclk = lcdclk; in mclk_get_divisor()
1136 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in mclk_get_divisor()
1137 pcdev->mclk = lcdclk / (2 * (div + 1)); in mclk_get_divisor()
1145 static void recalculate_fifo_timeout(struct pxa_camera_dev *pcdev, in recalculate_fifo_timeout() argument
1149 u32 ciclk_per_pixel = pcdev->ciclk / pclk + 1; in recalculate_fifo_timeout()
1151 __raw_writel(ciclk_per_pixel, pcdev->base + CITOR); in recalculate_fifo_timeout()
1154 static void pxa_camera_activate(struct pxa_camera_dev *pcdev) in pxa_camera_activate() argument
1159 __raw_writel(0x3ff, pcdev->base + CICR0); in pxa_camera_activate()
1161 if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN) in pxa_camera_activate()
1163 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in pxa_camera_activate()
1165 if (pcdev->platform_flags & PXA_CAMERA_PCP) in pxa_camera_activate()
1167 if (pcdev->platform_flags & PXA_CAMERA_HSP) in pxa_camera_activate()
1169 if (pcdev->platform_flags & PXA_CAMERA_VSP) in pxa_camera_activate()
1172 __raw_writel(pcdev->mclk_divisor | cicr4, pcdev->base + CICR4); in pxa_camera_activate()
1174 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in pxa_camera_activate()
1176 recalculate_fifo_timeout(pcdev, pcdev->mclk); in pxa_camera_activate()
1179 recalculate_fifo_timeout(pcdev, 13000000); in pxa_camera_activate()
1181 clk_prepare_enable(pcdev->clk); in pxa_camera_activate()
1184 static void pxa_camera_deactivate(struct pxa_camera_dev *pcdev) in pxa_camera_deactivate() argument
1186 clk_disable_unprepare(pcdev->clk); in pxa_camera_deactivate()
1191 struct pxa_camera_dev *pcdev = (struct pxa_camera_dev *)arg; in pxa_camera_eof() local
1195 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_eof()
1197 __raw_readl(pcdev->base + CISR)); in pxa_camera_eof()
1200 cifr = __raw_readl(pcdev->base + CIFR) | CIFR_RESET_F; in pxa_camera_eof()
1201 __raw_writel(cifr, pcdev->base + CIFR); in pxa_camera_eof()
1203 pcdev->active = list_first_entry(&pcdev->capture, in pxa_camera_eof()
1205 buf = pcdev->active; in pxa_camera_eof()
1206 pxa_videobuf_set_actdma(pcdev, buf); in pxa_camera_eof()
1208 pxa_dma_start_channels(pcdev); in pxa_camera_eof()
1213 struct pxa_camera_dev *pcdev = data; in pxa_camera_irq() local
1216 status = __raw_readl(pcdev->base + CISR); in pxa_camera_irq()
1217 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_irq()
1223 __raw_writel(status, pcdev->base + CISR); in pxa_camera_irq()
1226 cicr0 = __raw_readl(pcdev->base + CICR0) | CICR0_EOFM; in pxa_camera_irq()
1227 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_irq()
1228 tasklet_schedule(&pcdev->task_eof); in pxa_camera_irq()
1234 static int test_platform_param(struct pxa_camera_dev *pcdev, in test_platform_param() argument
1242 *flags = (pcdev->platform_flags & PXA_CAMERA_MASTER ? in test_platform_param()
1253 if ((1 << (buswidth - 1)) & pcdev->width_flags) in test_platform_param()
1259 static void pxa_camera_setup_cicr(struct pxa_camera_dev *pcdev, in pxa_camera_setup_cicr() argument
1264 int ret = sensor_call(pcdev, sensor, g_skip_top_lines, &y_skip_top); in pxa_camera_setup_cicr()
1273 switch (pcdev->current_fmt->host_fmt->bits_per_sample) { in pxa_camera_setup_cicr()
1292 if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN) in pxa_camera_setup_cicr()
1294 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in pxa_camera_setup_cicr()
1303 cicr0 = __raw_readl(pcdev->base + CICR0); in pxa_camera_setup_cicr()
1305 __raw_writel(cicr0 & ~CICR0_ENB, pcdev->base + CICR0); in pxa_camera_setup_cicr()
1307 cicr1 = CICR1_PPL_VAL(pcdev->current_pix.width - 1) | bpp | dw; in pxa_camera_setup_cicr()
1311 pcdev->channels = 3; in pxa_camera_setup_cicr()
1337 cicr3 = CICR3_LPF_VAL(pcdev->current_pix.height - 1) | in pxa_camera_setup_cicr()
1339 cicr4 |= pcdev->mclk_divisor; in pxa_camera_setup_cicr()
1341 __raw_writel(cicr1, pcdev->base + CICR1); in pxa_camera_setup_cicr()
1342 __raw_writel(cicr2, pcdev->base + CICR2); in pxa_camera_setup_cicr()
1343 __raw_writel(cicr3, pcdev->base + CICR3); in pxa_camera_setup_cicr()
1344 __raw_writel(cicr4, pcdev->base + CICR4); in pxa_camera_setup_cicr()
1347 cicr0 = (cicr0 & CICR0_ENB) | (pcdev->platform_flags & PXA_CAMERA_MASTER ? in pxa_camera_setup_cicr()
1350 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_setup_cicr()
1371 static int pxa_buffer_init(struct pxa_camera_dev *pcdev, in pxa_buffer_init() argument
1376 int nb_channels = pcdev->channels; in pxa_buffer_init()
1397 dev_err(pcdev_to_dev(pcdev), in pxa_buffer_init()
1402 ret = pxa_init_dma_channel(pcdev, buf, i, in pxa_buffer_init()
1417 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_cleanup() local
1419 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_cleanup()
1427 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_queue() local
1429 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_queue()
1431 __func__, vb, pcdev->channels, vb2_get_plane_payload(vb, 0), in pxac_vb2_queue()
1432 pcdev->active); in pxac_vb2_queue()
1434 list_add_tail(&buf->queue, &pcdev->capture); in pxac_vb2_queue()
1436 pxa_dma_add_tail_buf(pcdev, buf); in pxac_vb2_queue()
1447 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_prepare() local
1451 switch (pcdev->channels) { in pxac_vb2_prepare()
1454 vb2_set_plane_payload(vb, 0, pcdev->current_pix.sizeimage); in pxac_vb2_prepare()
1460 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_prepare()
1462 __func__, vb, pcdev->channels, vb2_get_plane_payload(vb, 0)); in pxac_vb2_prepare()
1464 WARN_ON(!pcdev->current_fmt); in pxac_vb2_prepare()
1481 pxa_videobuf_set_actdma(pcdev, buf); in pxac_vb2_prepare()
1488 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_init() local
1491 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_init()
1493 __func__, pcdev->channels); in pxac_vb2_init()
1495 return pxa_buffer_init(pcdev, buf); in pxac_vb2_init()
1503 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vq); in pxac_vb2_queue_setup() local
1504 int size = pcdev->current_pix.sizeimage; in pxac_vb2_queue_setup()
1506 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_queue_setup()
1518 switch (pcdev->channels) { in pxac_vb2_queue_setup()
1535 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vq); in pxac_vb2_start_streaming() local
1537 dev_dbg(pcdev_to_dev(pcdev), "%s(count=%d) active=%p\n", in pxac_vb2_start_streaming()
1538 __func__, count, pcdev->active); in pxac_vb2_start_streaming()
1540 pcdev->buf_sequence = 0; in pxac_vb2_start_streaming()
1541 if (!pcdev->active) in pxac_vb2_start_streaming()
1542 pxa_camera_start_capture(pcdev); in pxac_vb2_start_streaming()
1549 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vq); in pxac_vb2_stop_streaming() local
1552 dev_dbg(pcdev_to_dev(pcdev), "%s active=%p\n", in pxac_vb2_stop_streaming()
1553 __func__, pcdev->active); in pxac_vb2_stop_streaming()
1554 pxa_camera_stop_capture(pcdev); in pxac_vb2_stop_streaming()
1556 list_for_each_entry_safe(buf, tmp, &pcdev->capture, queue) in pxac_vb2_stop_streaming()
1557 pxa_camera_wakeup(pcdev, buf, VB2_BUF_STATE_ERROR); in pxac_vb2_stop_streaming()
1572 static int pxa_camera_init_videobuf2(struct pxa_camera_dev *pcdev) in pxa_camera_init_videobuf2() argument
1575 struct vb2_queue *vq = &pcdev->vb2_vq; in pxa_camera_init_videobuf2()
1580 vq->drv_priv = pcdev; in pxa_camera_init_videobuf2()
1583 vq->dev = pcdev->v4l2_dev.dev; in pxa_camera_init_videobuf2()
1587 vq->lock = &pcdev->mlock; in pxa_camera_init_videobuf2()
1590 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_init_videobuf2()
1599 static int pxa_camera_set_bus_param(struct pxa_camera_dev *pcdev) in pxa_camera_set_bus_param() argument
1602 u32 pixfmt = pcdev->current_fmt->host_fmt->fourcc; in pxa_camera_set_bus_param()
1606 ret = test_platform_param(pcdev, in pxa_camera_set_bus_param()
1607 pcdev->current_fmt->host_fmt->bits_per_sample, in pxa_camera_set_bus_param()
1612 ret = sensor_call(pcdev, video, g_mbus_config, &cfg); in pxa_camera_set_bus_param()
1617 dev_warn(pcdev_to_dev(pcdev), in pxa_camera_set_bus_param()
1628 pcdev->channels = 1; in pxa_camera_set_bus_param()
1633 if (pcdev->platform_flags & PXA_CAMERA_HSP) in pxa_camera_set_bus_param()
1641 if (pcdev->platform_flags & PXA_CAMERA_VSP) in pxa_camera_set_bus_param()
1649 if (pcdev->platform_flags & PXA_CAMERA_PCP) in pxa_camera_set_bus_param()
1656 ret = sensor_call(pcdev, video, s_mbus_config, &cfg); in pxa_camera_set_bus_param()
1658 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_set_bus_param()
1664 pxa_camera_setup_cicr(pcdev, common_flags, pixfmt); in pxa_camera_set_bus_param()
1669 static int pxa_camera_try_bus_param(struct pxa_camera_dev *pcdev, in pxa_camera_try_bus_param() argument
1674 int ret = test_platform_param(pcdev, buswidth, &bus_flags); in pxa_camera_try_bus_param()
1679 ret = sensor_call(pcdev, video, g_mbus_config, &cfg); in pxa_camera_try_bus_param()
1684 dev_warn(pcdev_to_dev(pcdev), in pxa_camera_try_bus_param()
1721 struct pxa_camera_dev *pcdev = v4l2_dev_to_pcdev(v4l2_dev); in pxa_camera_get_formats() local
1729 ret = sensor_call(pcdev, pad, enum_mbus_code, NULL, &code); in pxa_camera_get_formats()
1736 dev_err(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1742 ret = pxa_camera_try_bus_param(pcdev, fmt->bits_per_sample); in pxa_camera_get_formats()
1753 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1764 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1772 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1789 static int pxa_camera_build_formats(struct pxa_camera_dev *pcdev) in pxa_camera_build_formats() argument
1793 xlate = pxa_mbus_build_fmts_xlate(&pcdev->v4l2_dev, pcdev->sensor, in pxa_camera_build_formats()
1798 pcdev->user_formats = xlate; in pxa_camera_build_formats()
1802 static void pxa_camera_destroy_formats(struct pxa_camera_dev *pcdev) in pxa_camera_destroy_formats() argument
1804 kfree(pcdev->user_formats); in pxa_camera_destroy_formats()
1818 struct pxa_camera_dev *pcdev = video_drvdata(file); in pxac_vidioc_g_register() local
1823 reg->val = __raw_readl(pcdev->base + reg->reg); in pxac_vidioc_g_register()
1831 struct pxa_camera_dev *pcdev = video_drvdata(file); in pxac_vidioc_s_register() local
1837 __raw_writel(reg->val, pcdev->base + reg->reg); in pxac_vidioc_s_register()
1845 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_enum_fmt_vid_cap() local
1849 for (idx = 0; pcdev->user_formats[idx].code; idx++); in pxac_vidioc_enum_fmt_vid_cap()
1853 format = pcdev->user_formats[f->index].host_fmt; in pxac_vidioc_enum_fmt_vid_cap()
1861 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_g_fmt_vid_cap() local
1864 pix->width = pcdev->current_pix.width; in pxac_vidioc_g_fmt_vid_cap()
1865 pix->height = pcdev->current_pix.height; in pxac_vidioc_g_fmt_vid_cap()
1866 pix->bytesperline = pcdev->current_pix.bytesperline; in pxac_vidioc_g_fmt_vid_cap()
1867 pix->sizeimage = pcdev->current_pix.sizeimage; in pxac_vidioc_g_fmt_vid_cap()
1868 pix->field = pcdev->current_pix.field; in pxac_vidioc_g_fmt_vid_cap()
1869 pix->pixelformat = pcdev->current_fmt->host_fmt->fourcc; in pxac_vidioc_g_fmt_vid_cap()
1870 pix->colorspace = pcdev->current_pix.colorspace; in pxac_vidioc_g_fmt_vid_cap()
1871 dev_dbg(pcdev_to_dev(pcdev), "current_fmt->fourcc: 0x%08x\n", in pxac_vidioc_g_fmt_vid_cap()
1872 pcdev->current_fmt->host_fmt->fourcc); in pxac_vidioc_g_fmt_vid_cap()
1879 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_try_fmt_vid_cap() local
1890 xlate = pxa_mbus_xlate_by_fourcc(pcdev->user_formats, pixfmt); in pxac_vidioc_try_fmt_vid_cap()
1892 dev_warn(pcdev_to_dev(pcdev), "Format %x not found\n", pixfmt); in pxac_vidioc_try_fmt_vid_cap()
1907 ret = sensor_call(pcdev, pad, set_fmt, &pad_cfg, &format); in pxac_vidioc_try_fmt_vid_cap()
1921 dev_err(pcdev_to_dev(pcdev), "Field type %d unsupported.\n", in pxac_vidioc_try_fmt_vid_cap()
1943 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_s_fmt_vid_cap() local
1952 dev_dbg(pcdev_to_dev(pcdev), in pxac_vidioc_s_fmt_vid_cap()
1956 spin_lock_irqsave(&pcdev->lock, flags); in pxac_vidioc_s_fmt_vid_cap()
1957 is_busy = pcdev->active || vb2_is_busy(&pcdev->vb2_vq); in pxac_vidioc_s_fmt_vid_cap()
1958 spin_unlock_irqrestore(&pcdev->lock, flags); in pxac_vidioc_s_fmt_vid_cap()
1967 xlate = pxa_mbus_xlate_by_fourcc(pcdev->user_formats, in pxac_vidioc_s_fmt_vid_cap()
1970 ret = sensor_call(pcdev, pad, set_fmt, NULL, &format); in pxac_vidioc_s_fmt_vid_cap()
1972 dev_warn(pcdev_to_dev(pcdev), in pxac_vidioc_s_fmt_vid_cap()
1976 dev_warn(pcdev_to_dev(pcdev), in pxac_vidioc_s_fmt_vid_cap()
1982 pcdev->current_fmt = xlate; in pxac_vidioc_s_fmt_vid_cap()
1983 pcdev->current_pix = *pix; in pxac_vidioc_s_fmt_vid_cap()
1985 ret = pxa_camera_set_bus_param(pcdev); in pxac_vidioc_s_fmt_vid_cap()
2025 static int pxac_sensor_set_power(struct pxa_camera_dev *pcdev, int on) in pxac_sensor_set_power() argument
2029 ret = sensor_call(pcdev, core, s_power, on); in pxac_sensor_set_power()
2033 dev_warn(pcdev_to_dev(pcdev), in pxac_sensor_set_power()
2043 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_fops_camera_open() local
2046 mutex_lock(&pcdev->mlock); in pxac_fops_camera_open()
2054 ret = pxac_sensor_set_power(pcdev, 1); in pxac_fops_camera_open()
2058 mutex_unlock(&pcdev->mlock); in pxac_fops_camera_open()
2064 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_fops_camera_release() local
2068 mutex_lock(&pcdev->mlock); in pxac_fops_camera_release()
2075 ret = pxac_sensor_set_power(pcdev, 0); in pxac_fops_camera_release()
2077 mutex_unlock(&pcdev->mlock); in pxac_fops_camera_release()
2138 struct pxa_camera_dev *pcdev = v4l2_dev_to_pcdev(v4l2_dev); in pxa_camera_sensor_bound() local
2139 struct video_device *vdev = &pcdev->vdev; in pxa_camera_sensor_bound()
2140 struct v4l2_pix_format *pix = &pcdev->current_pix; in pxa_camera_sensor_bound()
2146 dev_info(pcdev_to_dev(pcdev), "%s(): trying to bind a device\n", in pxa_camera_sensor_bound()
2148 mutex_lock(&pcdev->mlock); in pxa_camera_sensor_bound()
2151 vdev->lock = &pcdev->mlock; in pxa_camera_sensor_bound()
2152 pcdev->sensor = subdev; in pxa_camera_sensor_bound()
2153 pcdev->vdev.queue = &pcdev->vb2_vq; in pxa_camera_sensor_bound()
2154 pcdev->vdev.v4l2_dev = &pcdev->v4l2_dev; in pxa_camera_sensor_bound()
2155 pcdev->vdev.ctrl_handler = subdev->ctrl_handler; in pxa_camera_sensor_bound()
2156 video_set_drvdata(&pcdev->vdev, pcdev); in pxa_camera_sensor_bound()
2158 err = pxa_camera_build_formats(pcdev); in pxa_camera_sensor_bound()
2160 dev_err(pcdev_to_dev(pcdev), "building formats failed: %d\n", in pxa_camera_sensor_bound()
2165 pcdev->current_fmt = pcdev->user_formats; in pxa_camera_sensor_bound()
2171 pcdev->current_fmt->host_fmt); in pxa_camera_sensor_bound()
2173 pxa_mbus_image_size(pcdev->current_fmt->host_fmt, in pxa_camera_sensor_bound()
2175 pix->pixelformat = pcdev->current_fmt->host_fmt->fourcc; in pxa_camera_sensor_bound()
2176 v4l2_fill_mbus_format(mf, pix, pcdev->current_fmt->code); in pxa_camera_sensor_bound()
2178 err = pxac_sensor_set_power(pcdev, 1); in pxa_camera_sensor_bound()
2182 err = sensor_call(pcdev, pad, set_fmt, NULL, &format); in pxa_camera_sensor_bound()
2190 err = pxa_camera_init_videobuf2(pcdev); in pxa_camera_sensor_bound()
2194 err = video_register_device(&pcdev->vdev, VFL_TYPE_GRABBER, -1); in pxa_camera_sensor_bound()
2197 pcdev->sensor = NULL; in pxa_camera_sensor_bound()
2199 dev_info(pcdev_to_dev(pcdev), in pxa_camera_sensor_bound()
2205 err = pxac_sensor_set_power(pcdev, 0); in pxa_camera_sensor_bound()
2207 mutex_unlock(&pcdev->mlock); in pxa_camera_sensor_bound()
2215 struct pxa_camera_dev *pcdev = v4l2_dev_to_pcdev(notifier->v4l2_dev); in pxa_camera_sensor_unbind() local
2217 mutex_lock(&pcdev->mlock); in pxa_camera_sensor_unbind()
2218 dev_info(pcdev_to_dev(pcdev), in pxa_camera_sensor_unbind()
2223 __raw_writel(0x3ff, pcdev->base + CICR0); in pxa_camera_sensor_unbind()
2226 pxa_dma_stop_channels(pcdev); in pxa_camera_sensor_unbind()
2228 pxa_camera_destroy_formats(pcdev); in pxa_camera_sensor_unbind()
2230 if (pcdev->mclk_clk) { in pxa_camera_sensor_unbind()
2231 v4l2_clk_unregister(pcdev->mclk_clk); in pxa_camera_sensor_unbind()
2232 pcdev->mclk_clk = NULL; in pxa_camera_sensor_unbind()
2235 video_unregister_device(&pcdev->vdev); in pxa_camera_sensor_unbind()
2236 pcdev->sensor = NULL; in pxa_camera_sensor_unbind()
2238 mutex_unlock(&pcdev->mlock); in pxa_camera_sensor_unbind()
2251 struct pxa_camera_dev *pcdev = dev_get_drvdata(dev); in pxa_camera_suspend() local
2254 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR0); in pxa_camera_suspend()
2255 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR1); in pxa_camera_suspend()
2256 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR2); in pxa_camera_suspend()
2257 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR3); in pxa_camera_suspend()
2258 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR4); in pxa_camera_suspend()
2260 if (pcdev->sensor) in pxa_camera_suspend()
2261 ret = pxac_sensor_set_power(pcdev, 0); in pxa_camera_suspend()
2268 struct pxa_camera_dev *pcdev = dev_get_drvdata(dev); in pxa_camera_resume() local
2271 __raw_writel(pcdev->save_cicr[i++] & ~CICR0_ENB, pcdev->base + CICR0); in pxa_camera_resume()
2272 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR1); in pxa_camera_resume()
2273 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR2); in pxa_camera_resume()
2274 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR3); in pxa_camera_resume()
2275 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR4); in pxa_camera_resume()
2277 if (pcdev->sensor) { in pxa_camera_resume()
2278 ret = pxac_sensor_set_power(pcdev, 1); in pxa_camera_resume()
2282 if (!ret && pcdev->active) in pxa_camera_resume()
2283 pxa_camera_start_capture(pcdev); in pxa_camera_resume()
2289 struct pxa_camera_dev *pcdev, in pxa_camera_pdata_from_dt() argument
2298 pcdev->platform_flags |= PXA_CAMERA_MCLK_EN; in pxa_camera_pdata_from_dt()
2299 pcdev->mclk = mclk_rate; in pxa_camera_pdata_from_dt()
2316 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_4; in pxa_camera_pdata_from_dt()
2319 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_5; in pxa_camera_pdata_from_dt()
2322 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_8; in pxa_camera_pdata_from_dt()
2325 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_9; in pxa_camera_pdata_from_dt()
2328 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_10; in pxa_camera_pdata_from_dt()
2335 pcdev->platform_flags |= PXA_CAMERA_MASTER; in pxa_camera_pdata_from_dt()
2337 pcdev->platform_flags |= PXA_CAMERA_HSP; in pxa_camera_pdata_from_dt()
2339 pcdev->platform_flags |= PXA_CAMERA_VSP; in pxa_camera_pdata_from_dt()
2341 pcdev->platform_flags |= PXA_CAMERA_PCLK_EN | PXA_CAMERA_PCP; in pxa_camera_pdata_from_dt()
2343 pcdev->platform_flags |= PXA_CAMERA_PCLK_EN; in pxa_camera_pdata_from_dt()
2360 struct pxa_camera_dev *pcdev; in pxa_camera_probe() local
2377 pcdev = devm_kzalloc(&pdev->dev, sizeof(*pcdev), GFP_KERNEL); in pxa_camera_probe()
2378 if (!pcdev) { in pxa_camera_probe()
2383 pcdev->clk = devm_clk_get(&pdev->dev, NULL); in pxa_camera_probe()
2384 if (IS_ERR(pcdev->clk)) in pxa_camera_probe()
2385 return PTR_ERR(pcdev->clk); in pxa_camera_probe()
2387 pcdev->res = res; in pxa_camera_probe()
2389 pcdev->pdata = pdev->dev.platform_data; in pxa_camera_probe()
2390 if (pcdev->pdata) { in pxa_camera_probe()
2391 pcdev->platform_flags = pcdev->pdata->flags; in pxa_camera_probe()
2392 pcdev->mclk = pcdev->pdata->mclk_10khz * 10000; in pxa_camera_probe()
2393 pcdev->asd.match_type = V4L2_ASYNC_MATCH_I2C; in pxa_camera_probe()
2394 pcdev->asd.match.i2c.adapter_id = in pxa_camera_probe()
2395 pcdev->pdata->sensor_i2c_adapter_id; in pxa_camera_probe()
2396 pcdev->asd.match.i2c.address = pcdev->pdata->sensor_i2c_address; in pxa_camera_probe()
2398 err = pxa_camera_pdata_from_dt(&pdev->dev, pcdev, &pcdev->asd); in pxa_camera_probe()
2405 if (!(pcdev->platform_flags & (PXA_CAMERA_DATAWIDTH_8 | in pxa_camera_probe()
2412 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_10; in pxa_camera_probe()
2414 if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_8) in pxa_camera_probe()
2415 pcdev->width_flags = 1 << 7; in pxa_camera_probe()
2416 if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_9) in pxa_camera_probe()
2417 pcdev->width_flags |= 1 << 8; in pxa_camera_probe()
2418 if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_10) in pxa_camera_probe()
2419 pcdev->width_flags |= 1 << 9; in pxa_camera_probe()
2420 if (!pcdev->mclk) { in pxa_camera_probe()
2423 pcdev->mclk = 20000000; in pxa_camera_probe()
2426 pcdev->mclk_divisor = mclk_get_divisor(pdev, pcdev); in pxa_camera_probe()
2428 INIT_LIST_HEAD(&pcdev->capture); in pxa_camera_probe()
2429 spin_lock_init(&pcdev->lock); in pxa_camera_probe()
2430 mutex_init(&pcdev->mlock); in pxa_camera_probe()
2439 pcdev->irq = irq; in pxa_camera_probe()
2440 pcdev->base = base; in pxa_camera_probe()
2443 pcdev->dma_chans[0] = dma_request_slave_channel(&pdev->dev, "CI_Y"); in pxa_camera_probe()
2444 if (!pcdev->dma_chans[0]) { in pxa_camera_probe()
2449 pcdev->dma_chans[1] = dma_request_slave_channel(&pdev->dev, "CI_U"); in pxa_camera_probe()
2450 if (!pcdev->dma_chans[1]) { in pxa_camera_probe()
2456 pcdev->dma_chans[2] = dma_request_slave_channel(&pdev->dev, "CI_V"); in pxa_camera_probe()
2457 if (!pcdev->dma_chans[2]) { in pxa_camera_probe()
2464 config.src_addr = pcdev->res->start + CIBR0 + i * 8; in pxa_camera_probe()
2465 err = dmaengine_slave_config(pcdev->dma_chans[i], &config); in pxa_camera_probe()
2474 err = devm_request_irq(&pdev->dev, pcdev->irq, pxa_camera_irq, 0, in pxa_camera_probe()
2475 PXA_CAM_DRV_NAME, pcdev); in pxa_camera_probe()
2481 tasklet_init(&pcdev->task_eof, pxa_camera_eof, (unsigned long)pcdev); in pxa_camera_probe()
2483 pxa_camera_activate(pcdev); in pxa_camera_probe()
2485 dev_set_drvdata(&pdev->dev, pcdev); in pxa_camera_probe()
2486 err = v4l2_device_register(&pdev->dev, &pcdev->v4l2_dev); in pxa_camera_probe()
2490 v4l2_async_notifier_init(&pcdev->notifier); in pxa_camera_probe()
2492 err = v4l2_async_notifier_add_subdev(&pcdev->notifier, &pcdev->asd); in pxa_camera_probe()
2494 fwnode_handle_put(pcdev->asd.match.fwnode); in pxa_camera_probe()
2498 pcdev->notifier.ops = &pxa_camera_sensor_ops; in pxa_camera_probe()
2501 pcdev->asd.match_type = V4L2_ASYNC_MATCH_I2C; in pxa_camera_probe()
2503 err = pxa_camera_init_videobuf2(pcdev); in pxa_camera_probe()
2507 if (pcdev->mclk) { in pxa_camera_probe()
2509 pcdev->asd.match.i2c.adapter_id, in pxa_camera_probe()
2510 pcdev->asd.match.i2c.address); in pxa_camera_probe()
2512 pcdev->mclk_clk = v4l2_clk_register(&pxa_camera_mclk_ops, in pxa_camera_probe()
2514 if (IS_ERR(pcdev->mclk_clk)) { in pxa_camera_probe()
2515 err = PTR_ERR(pcdev->mclk_clk); in pxa_camera_probe()
2520 err = v4l2_async_notifier_register(&pcdev->v4l2_dev, &pcdev->notifier); in pxa_camera_probe()
2526 v4l2_clk_unregister(pcdev->mclk_clk); in pxa_camera_probe()
2528 v4l2_async_notifier_cleanup(&pcdev->notifier); in pxa_camera_probe()
2530 v4l2_device_unregister(&pcdev->v4l2_dev); in pxa_camera_probe()
2532 pxa_camera_deactivate(pcdev); in pxa_camera_probe()
2534 dma_release_channel(pcdev->dma_chans[2]); in pxa_camera_probe()
2536 dma_release_channel(pcdev->dma_chans[1]); in pxa_camera_probe()
2538 dma_release_channel(pcdev->dma_chans[0]); in pxa_camera_probe()
2544 struct pxa_camera_dev *pcdev = dev_get_drvdata(&pdev->dev); in pxa_camera_remove() local
2546 pxa_camera_deactivate(pcdev); in pxa_camera_remove()
2547 dma_release_channel(pcdev->dma_chans[0]); in pxa_camera_remove()
2548 dma_release_channel(pcdev->dma_chans[1]); in pxa_camera_remove()
2549 dma_release_channel(pcdev->dma_chans[2]); in pxa_camera_remove()
2551 v4l2_async_notifier_unregister(&pcdev->notifier); in pxa_camera_remove()
2552 v4l2_async_notifier_cleanup(&pcdev->notifier); in pxa_camera_remove()
2554 if (pcdev->mclk_clk) { in pxa_camera_remove()
2555 v4l2_clk_unregister(pcdev->mclk_clk); in pxa_camera_remove()
2556 pcdev->mclk_clk = NULL; in pxa_camera_remove()
2559 v4l2_device_unregister(&pcdev->v4l2_dev); in pxa_camera_remove()