Lines Matching refs:pcdev
777 static struct device *pcdev_to_dev(struct pxa_camera_dev *pcdev) in pcdev_to_dev() argument
779 return pcdev->v4l2_dev.dev; in pcdev_to_dev()
787 static void pxa_camera_dma_irq(struct pxa_camera_dev *pcdev,
792 struct pxa_camera_dev *pcdev = data; in pxa_camera_dma_irq_y() local
794 pxa_camera_dma_irq(pcdev, DMA_Y); in pxa_camera_dma_irq_y()
799 struct pxa_camera_dev *pcdev = data; in pxa_camera_dma_irq_u() local
801 pxa_camera_dma_irq(pcdev, DMA_U); in pxa_camera_dma_irq_u()
806 struct pxa_camera_dev *pcdev = data; in pxa_camera_dma_irq_v() local
808 pxa_camera_dma_irq(pcdev, DMA_V); in pxa_camera_dma_irq_v()
823 static int pxa_init_dma_channel(struct pxa_camera_dev *pcdev, in pxa_init_dma_channel() argument
827 struct dma_chan *dma_chan = pcdev->dma_chans[channel]; in pxa_init_dma_channel()
833 dev_err(pcdev_to_dev(pcdev), in pxa_init_dma_channel()
838 tx->callback_param = pcdev; in pxa_init_dma_channel()
854 dev_dbg(pcdev_to_dev(pcdev), in pxa_init_dma_channel()
861 static void pxa_videobuf_set_actdma(struct pxa_camera_dev *pcdev, in pxa_videobuf_set_actdma() argument
876 static void pxa_dma_start_channels(struct pxa_camera_dev *pcdev) in pxa_dma_start_channels() argument
880 for (i = 0; i < pcdev->channels; i++) { in pxa_dma_start_channels()
881 dev_dbg(pcdev_to_dev(pcdev), in pxa_dma_start_channels()
883 dma_async_issue_pending(pcdev->dma_chans[i]); in pxa_dma_start_channels()
887 static void pxa_dma_stop_channels(struct pxa_camera_dev *pcdev) in pxa_dma_stop_channels() argument
891 for (i = 0; i < pcdev->channels; i++) { in pxa_dma_stop_channels()
892 dev_dbg(pcdev_to_dev(pcdev), in pxa_dma_stop_channels()
894 dmaengine_terminate_all(pcdev->dma_chans[i]); in pxa_dma_stop_channels()
898 static void pxa_dma_add_tail_buf(struct pxa_camera_dev *pcdev, in pxa_dma_add_tail_buf() argument
903 for (i = 0; i < pcdev->channels; i++) { in pxa_dma_add_tail_buf()
905 dev_dbg(pcdev_to_dev(pcdev), in pxa_dma_add_tail_buf()
919 static void pxa_camera_start_capture(struct pxa_camera_dev *pcdev) in pxa_camera_start_capture() argument
923 dev_dbg(pcdev_to_dev(pcdev), "%s\n", __func__); in pxa_camera_start_capture()
924 __raw_writel(__raw_readl(pcdev->base + CISR), pcdev->base + CISR); in pxa_camera_start_capture()
926 cicr0 = __raw_readl(pcdev->base + CICR0) | CICR0_ENB; in pxa_camera_start_capture()
928 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_start_capture()
931 static void pxa_camera_stop_capture(struct pxa_camera_dev *pcdev) in pxa_camera_stop_capture() argument
935 pxa_dma_stop_channels(pcdev); in pxa_camera_stop_capture()
937 cicr0 = __raw_readl(pcdev->base + CICR0) & ~CICR0_ENB; in pxa_camera_stop_capture()
938 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_stop_capture()
940 pcdev->active = NULL; in pxa_camera_stop_capture()
941 dev_dbg(pcdev_to_dev(pcdev), "%s\n", __func__); in pxa_camera_stop_capture()
944 static void pxa_camera_wakeup(struct pxa_camera_dev *pcdev, in pxa_camera_wakeup() argument
954 vbuf->sequence = pcdev->buf_sequence++; in pxa_camera_wakeup()
957 dev_dbg(pcdev_to_dev(pcdev), "%s dequeued buffer (buf=0x%p)\n", in pxa_camera_wakeup()
960 if (list_empty(&pcdev->capture)) { in pxa_camera_wakeup()
961 pxa_camera_stop_capture(pcdev); in pxa_camera_wakeup()
965 pcdev->active = list_entry(pcdev->capture.next, in pxa_camera_wakeup()
987 static void pxa_camera_check_link_miss(struct pxa_camera_dev *pcdev, in pxa_camera_check_link_miss() argument
993 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_check_link_miss()
995 __func__, pcdev->active, is_dma_stopped); in pxa_camera_check_link_miss()
997 if (pcdev->active && is_dma_stopped) in pxa_camera_check_link_miss()
998 pxa_camera_start_capture(pcdev); in pxa_camera_check_link_miss()
1001 static void pxa_camera_dma_irq(struct pxa_camera_dev *pcdev, in pxa_camera_dma_irq() argument
1011 spin_lock_irqsave(&pcdev->lock, flags); in pxa_camera_dma_irq()
1013 camera_status = __raw_readl(pcdev->base + CISR); in pxa_camera_dma_irq()
1014 dev_dbg(pcdev_to_dev(pcdev), "camera dma irq, cisr=0x%x dma=%d\n", in pxa_camera_dma_irq()
1017 if (pcdev->channels == 3) in pxa_camera_dma_irq()
1032 if (!pcdev->active) in pxa_camera_dma_irq()
1035 buf = pcdev->active; in pxa_camera_dma_irq()
1053 last_buf = list_entry(pcdev->capture.prev, in pxa_camera_dma_irq()
1055 last_status = dma_async_is_tx_complete(pcdev->dma_chans[chan], in pxa_camera_dma_irq()
1060 dev_dbg(pcdev_to_dev(pcdev), "FIFO overrun! CISR: %x\n", in pxa_camera_dma_irq()
1062 pxa_camera_stop_capture(pcdev); in pxa_camera_dma_irq()
1063 list_for_each_entry(buf, &pcdev->capture, queue) in pxa_camera_dma_irq()
1064 pxa_dma_add_tail_buf(pcdev, buf); in pxa_camera_dma_irq()
1065 pxa_camera_start_capture(pcdev); in pxa_camera_dma_irq()
1070 pxa_camera_wakeup(pcdev, buf, VB2_BUF_STATE_DONE); in pxa_camera_dma_irq()
1071 pxa_camera_check_link_miss(pcdev, last_buf->cookie[chan], in pxa_camera_dma_irq()
1076 spin_unlock_irqrestore(&pcdev->lock, flags); in pxa_camera_dma_irq()
1080 struct pxa_camera_dev *pcdev) in mclk_get_divisor() argument
1082 unsigned long mclk = pcdev->mclk; in mclk_get_divisor()
1086 lcdclk = clk_get_rate(pcdev->clk); in mclk_get_divisor()
1087 pcdev->ciclk = lcdclk; in mclk_get_divisor()
1100 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in mclk_get_divisor()
1101 pcdev->mclk = lcdclk / (2 * (div + 1)); in mclk_get_divisor()
1109 static void recalculate_fifo_timeout(struct pxa_camera_dev *pcdev, in recalculate_fifo_timeout() argument
1113 u32 ciclk_per_pixel = pcdev->ciclk / pclk + 1; in recalculate_fifo_timeout()
1115 __raw_writel(ciclk_per_pixel, pcdev->base + CITOR); in recalculate_fifo_timeout()
1118 static void pxa_camera_activate(struct pxa_camera_dev *pcdev) in pxa_camera_activate() argument
1123 __raw_writel(0x3ff, pcdev->base + CICR0); in pxa_camera_activate()
1125 if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN) in pxa_camera_activate()
1127 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in pxa_camera_activate()
1129 if (pcdev->platform_flags & PXA_CAMERA_PCP) in pxa_camera_activate()
1131 if (pcdev->platform_flags & PXA_CAMERA_HSP) in pxa_camera_activate()
1133 if (pcdev->platform_flags & PXA_CAMERA_VSP) in pxa_camera_activate()
1136 __raw_writel(pcdev->mclk_divisor | cicr4, pcdev->base + CICR4); in pxa_camera_activate()
1138 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in pxa_camera_activate()
1140 recalculate_fifo_timeout(pcdev, pcdev->mclk); in pxa_camera_activate()
1143 recalculate_fifo_timeout(pcdev, 13000000); in pxa_camera_activate()
1145 clk_prepare_enable(pcdev->clk); in pxa_camera_activate()
1148 static void pxa_camera_deactivate(struct pxa_camera_dev *pcdev) in pxa_camera_deactivate() argument
1150 clk_disable_unprepare(pcdev->clk); in pxa_camera_deactivate()
1155 struct pxa_camera_dev *pcdev = from_tasklet(pcdev, t, task_eof); in pxa_camera_eof() local
1159 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_eof()
1161 __raw_readl(pcdev->base + CISR)); in pxa_camera_eof()
1164 cifr = __raw_readl(pcdev->base + CIFR) | CIFR_RESET_F; in pxa_camera_eof()
1165 __raw_writel(cifr, pcdev->base + CIFR); in pxa_camera_eof()
1167 pcdev->active = list_first_entry(&pcdev->capture, in pxa_camera_eof()
1169 buf = pcdev->active; in pxa_camera_eof()
1170 pxa_videobuf_set_actdma(pcdev, buf); in pxa_camera_eof()
1172 pxa_dma_start_channels(pcdev); in pxa_camera_eof()
1177 struct pxa_camera_dev *pcdev = data; in pxa_camera_irq() local
1180 status = __raw_readl(pcdev->base + CISR); in pxa_camera_irq()
1181 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_irq()
1187 __raw_writel(status, pcdev->base + CISR); in pxa_camera_irq()
1190 cicr0 = __raw_readl(pcdev->base + CICR0) | CICR0_EOFM; in pxa_camera_irq()
1191 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_irq()
1192 tasklet_schedule(&pcdev->task_eof); in pxa_camera_irq()
1198 static void pxa_camera_setup_cicr(struct pxa_camera_dev *pcdev, in pxa_camera_setup_cicr() argument
1203 int ret = sensor_call(pcdev, sensor, g_skip_top_lines, &y_skip_top); in pxa_camera_setup_cicr()
1212 switch (pcdev->current_fmt->host_fmt->bits_per_sample) { in pxa_camera_setup_cicr()
1231 if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN) in pxa_camera_setup_cicr()
1233 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in pxa_camera_setup_cicr()
1242 cicr0 = __raw_readl(pcdev->base + CICR0); in pxa_camera_setup_cicr()
1244 __raw_writel(cicr0 & ~CICR0_ENB, pcdev->base + CICR0); in pxa_camera_setup_cicr()
1246 cicr1 = CICR1_PPL_VAL(pcdev->current_pix.width - 1) | bpp | dw; in pxa_camera_setup_cicr()
1250 pcdev->channels = 3; in pxa_camera_setup_cicr()
1276 cicr3 = CICR3_LPF_VAL(pcdev->current_pix.height - 1) | in pxa_camera_setup_cicr()
1278 cicr4 |= pcdev->mclk_divisor; in pxa_camera_setup_cicr()
1280 __raw_writel(cicr1, pcdev->base + CICR1); in pxa_camera_setup_cicr()
1281 __raw_writel(cicr2, pcdev->base + CICR2); in pxa_camera_setup_cicr()
1282 __raw_writel(cicr3, pcdev->base + CICR3); in pxa_camera_setup_cicr()
1283 __raw_writel(cicr4, pcdev->base + CICR4); in pxa_camera_setup_cicr()
1286 cicr0 = (cicr0 & CICR0_ENB) | (pcdev->platform_flags & PXA_CAMERA_MASTER ? in pxa_camera_setup_cicr()
1289 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_setup_cicr()
1310 static int pxa_buffer_init(struct pxa_camera_dev *pcdev, in pxa_buffer_init() argument
1315 int nb_channels = pcdev->channels; in pxa_buffer_init()
1336 dev_err(pcdev_to_dev(pcdev), in pxa_buffer_init()
1341 ret = pxa_init_dma_channel(pcdev, buf, i, in pxa_buffer_init()
1356 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_cleanup() local
1358 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_cleanup()
1366 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_queue() local
1368 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_queue()
1370 __func__, vb, pcdev->channels, vb2_get_plane_payload(vb, 0), in pxac_vb2_queue()
1371 pcdev->active); in pxac_vb2_queue()
1373 list_add_tail(&buf->queue, &pcdev->capture); in pxac_vb2_queue()
1375 pxa_dma_add_tail_buf(pcdev, buf); in pxac_vb2_queue()
1386 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_prepare() local
1390 switch (pcdev->channels) { in pxac_vb2_prepare()
1393 vb2_set_plane_payload(vb, 0, pcdev->current_pix.sizeimage); in pxac_vb2_prepare()
1399 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_prepare()
1401 __func__, vb, pcdev->channels, vb2_get_plane_payload(vb, 0)); in pxac_vb2_prepare()
1403 WARN_ON(!pcdev->current_fmt); in pxac_vb2_prepare()
1420 pxa_videobuf_set_actdma(pcdev, buf); in pxac_vb2_prepare()
1427 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_init() local
1430 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_init()
1432 __func__, pcdev->channels); in pxac_vb2_init()
1434 return pxa_buffer_init(pcdev, buf); in pxac_vb2_init()
1442 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vq); in pxac_vb2_queue_setup() local
1443 int size = pcdev->current_pix.sizeimage; in pxac_vb2_queue_setup()
1445 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_queue_setup()
1457 switch (pcdev->channels) { in pxac_vb2_queue_setup()
1474 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vq); in pxac_vb2_start_streaming() local
1476 dev_dbg(pcdev_to_dev(pcdev), "%s(count=%d) active=%p\n", in pxac_vb2_start_streaming()
1477 __func__, count, pcdev->active); in pxac_vb2_start_streaming()
1479 pcdev->buf_sequence = 0; in pxac_vb2_start_streaming()
1480 if (!pcdev->active) in pxac_vb2_start_streaming()
1481 pxa_camera_start_capture(pcdev); in pxac_vb2_start_streaming()
1488 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vq); in pxac_vb2_stop_streaming() local
1491 dev_dbg(pcdev_to_dev(pcdev), "%s active=%p\n", in pxac_vb2_stop_streaming()
1492 __func__, pcdev->active); in pxac_vb2_stop_streaming()
1493 pxa_camera_stop_capture(pcdev); in pxac_vb2_stop_streaming()
1495 list_for_each_entry_safe(buf, tmp, &pcdev->capture, queue) in pxac_vb2_stop_streaming()
1496 pxa_camera_wakeup(pcdev, buf, VB2_BUF_STATE_ERROR); in pxac_vb2_stop_streaming()
1511 static int pxa_camera_init_videobuf2(struct pxa_camera_dev *pcdev) in pxa_camera_init_videobuf2() argument
1514 struct vb2_queue *vq = &pcdev->vb2_vq; in pxa_camera_init_videobuf2()
1519 vq->drv_priv = pcdev; in pxa_camera_init_videobuf2()
1522 vq->dev = pcdev->v4l2_dev.dev; in pxa_camera_init_videobuf2()
1526 vq->lock = &pcdev->mlock; in pxa_camera_init_videobuf2()
1529 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_init_videobuf2()
1538 static int pxa_camera_set_bus_param(struct pxa_camera_dev *pcdev) in pxa_camera_set_bus_param() argument
1540 unsigned int bus_width = pcdev->current_fmt->host_fmt->bits_per_sample; in pxa_camera_set_bus_param()
1542 u32 pixfmt = pcdev->current_fmt->host_fmt->fourcc; in pxa_camera_set_bus_param()
1546 if (!((1 << (bus_width - 1)) & pcdev->width_flags)) { in pxa_camera_set_bus_param()
1547 dev_err(pcdev_to_dev(pcdev), "Unsupported bus width %u", in pxa_camera_set_bus_param()
1552 pcdev->channels = 1; in pxa_camera_set_bus_param()
1556 if (pcdev->platform_flags & PXA_CAMERA_MASTER) in pxa_camera_set_bus_param()
1561 if (pcdev->platform_flags & PXA_CAMERA_HSP) in pxa_camera_set_bus_param()
1566 if (pcdev->platform_flags & PXA_CAMERA_VSP) in pxa_camera_set_bus_param()
1571 if (pcdev->platform_flags & PXA_CAMERA_PCP) in pxa_camera_set_bus_param()
1578 ret = sensor_call(pcdev, pad, set_mbus_config, 0, &cfg); in pxa_camera_set_bus_param()
1580 dev_err(pcdev_to_dev(pcdev), in pxa_camera_set_bus_param()
1597 dev_err(pcdev_to_dev(pcdev), in pxa_camera_set_bus_param()
1603 dev_err(pcdev_to_dev(pcdev), in pxa_camera_set_bus_param()
1609 pxa_camera_setup_cicr(pcdev, cfg.flags, pixfmt); in pxa_camera_set_bus_param()
1639 struct pxa_camera_dev *pcdev = v4l2_dev_to_pcdev(v4l2_dev); in pxa_camera_get_formats() local
1647 ret = sensor_call(pcdev, pad, enum_mbus_code, NULL, &code); in pxa_camera_get_formats()
1654 dev_err(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1666 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1677 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1685 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1702 static int pxa_camera_build_formats(struct pxa_camera_dev *pcdev) in pxa_camera_build_formats() argument
1706 xlate = pxa_mbus_build_fmts_xlate(&pcdev->v4l2_dev, pcdev->sensor, in pxa_camera_build_formats()
1711 pcdev->user_formats = xlate; in pxa_camera_build_formats()
1715 static void pxa_camera_destroy_formats(struct pxa_camera_dev *pcdev) in pxa_camera_destroy_formats() argument
1717 kfree(pcdev->user_formats); in pxa_camera_destroy_formats()
1731 struct pxa_camera_dev *pcdev = video_drvdata(file); in pxac_vidioc_g_register() local
1736 reg->val = __raw_readl(pcdev->base + reg->reg); in pxac_vidioc_g_register()
1744 struct pxa_camera_dev *pcdev = video_drvdata(file); in pxac_vidioc_s_register() local
1750 __raw_writel(reg->val, pcdev->base + reg->reg); in pxac_vidioc_s_register()
1758 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_enum_fmt_vid_cap() local
1762 for (idx = 0; pcdev->user_formats[idx].code; idx++); in pxac_vidioc_enum_fmt_vid_cap()
1766 format = pcdev->user_formats[f->index].host_fmt; in pxac_vidioc_enum_fmt_vid_cap()
1774 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_g_fmt_vid_cap() local
1777 pix->width = pcdev->current_pix.width; in pxac_vidioc_g_fmt_vid_cap()
1778 pix->height = pcdev->current_pix.height; in pxac_vidioc_g_fmt_vid_cap()
1779 pix->bytesperline = pcdev->current_pix.bytesperline; in pxac_vidioc_g_fmt_vid_cap()
1780 pix->sizeimage = pcdev->current_pix.sizeimage; in pxac_vidioc_g_fmt_vid_cap()
1781 pix->field = pcdev->current_pix.field; in pxac_vidioc_g_fmt_vid_cap()
1782 pix->pixelformat = pcdev->current_fmt->host_fmt->fourcc; in pxac_vidioc_g_fmt_vid_cap()
1783 pix->colorspace = pcdev->current_pix.colorspace; in pxac_vidioc_g_fmt_vid_cap()
1784 dev_dbg(pcdev_to_dev(pcdev), "current_fmt->fourcc: 0x%08x\n", in pxac_vidioc_g_fmt_vid_cap()
1785 pcdev->current_fmt->host_fmt->fourcc); in pxac_vidioc_g_fmt_vid_cap()
1792 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_try_fmt_vid_cap() local
1803 xlate = pxa_mbus_xlate_by_fourcc(pcdev->user_formats, pixfmt); in pxac_vidioc_try_fmt_vid_cap()
1805 dev_warn(pcdev_to_dev(pcdev), "Format %x not found\n", pixfmt); in pxac_vidioc_try_fmt_vid_cap()
1820 ret = sensor_call(pcdev, pad, set_fmt, &pad_cfg, &format); in pxac_vidioc_try_fmt_vid_cap()
1834 dev_err(pcdev_to_dev(pcdev), "Field type %d unsupported.\n", in pxac_vidioc_try_fmt_vid_cap()
1856 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_s_fmt_vid_cap() local
1865 dev_dbg(pcdev_to_dev(pcdev), in pxac_vidioc_s_fmt_vid_cap()
1869 spin_lock_irqsave(&pcdev->lock, flags); in pxac_vidioc_s_fmt_vid_cap()
1870 is_busy = pcdev->active || vb2_is_busy(&pcdev->vb2_vq); in pxac_vidioc_s_fmt_vid_cap()
1871 spin_unlock_irqrestore(&pcdev->lock, flags); in pxac_vidioc_s_fmt_vid_cap()
1880 xlate = pxa_mbus_xlate_by_fourcc(pcdev->user_formats, in pxac_vidioc_s_fmt_vid_cap()
1883 ret = sensor_call(pcdev, pad, set_fmt, NULL, &format); in pxac_vidioc_s_fmt_vid_cap()
1885 dev_warn(pcdev_to_dev(pcdev), in pxac_vidioc_s_fmt_vid_cap()
1889 dev_warn(pcdev_to_dev(pcdev), in pxac_vidioc_s_fmt_vid_cap()
1895 pcdev->current_fmt = xlate; in pxac_vidioc_s_fmt_vid_cap()
1896 pcdev->current_pix = *pix; in pxac_vidioc_s_fmt_vid_cap()
1898 ret = pxa_camera_set_bus_param(pcdev); in pxac_vidioc_s_fmt_vid_cap()
1938 static int pxac_sensor_set_power(struct pxa_camera_dev *pcdev, int on) in pxac_sensor_set_power() argument
1942 ret = sensor_call(pcdev, core, s_power, on); in pxac_sensor_set_power()
1946 dev_warn(pcdev_to_dev(pcdev), in pxac_sensor_set_power()
1956 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_fops_camera_open() local
1959 mutex_lock(&pcdev->mlock); in pxac_fops_camera_open()
1967 ret = pxac_sensor_set_power(pcdev, 1); in pxac_fops_camera_open()
1971 mutex_unlock(&pcdev->mlock); in pxac_fops_camera_open()
1977 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_fops_camera_release() local
1981 mutex_lock(&pcdev->mlock); in pxac_fops_camera_release()
1988 ret = pxac_sensor_set_power(pcdev, 0); in pxac_fops_camera_release()
1990 mutex_unlock(&pcdev->mlock); in pxac_fops_camera_release()
2051 struct pxa_camera_dev *pcdev = v4l2_dev_to_pcdev(v4l2_dev); in pxa_camera_sensor_bound() local
2052 struct video_device *vdev = &pcdev->vdev; in pxa_camera_sensor_bound()
2053 struct v4l2_pix_format *pix = &pcdev->current_pix; in pxa_camera_sensor_bound()
2059 dev_info(pcdev_to_dev(pcdev), "%s(): trying to bind a device\n", in pxa_camera_sensor_bound()
2061 mutex_lock(&pcdev->mlock); in pxa_camera_sensor_bound()
2064 vdev->lock = &pcdev->mlock; in pxa_camera_sensor_bound()
2065 pcdev->sensor = subdev; in pxa_camera_sensor_bound()
2066 pcdev->vdev.queue = &pcdev->vb2_vq; in pxa_camera_sensor_bound()
2067 pcdev->vdev.v4l2_dev = &pcdev->v4l2_dev; in pxa_camera_sensor_bound()
2068 pcdev->vdev.ctrl_handler = subdev->ctrl_handler; in pxa_camera_sensor_bound()
2069 video_set_drvdata(&pcdev->vdev, pcdev); in pxa_camera_sensor_bound()
2071 err = pxa_camera_build_formats(pcdev); in pxa_camera_sensor_bound()
2073 dev_err(pcdev_to_dev(pcdev), "building formats failed: %d\n", in pxa_camera_sensor_bound()
2078 pcdev->current_fmt = pcdev->user_formats; in pxa_camera_sensor_bound()
2084 pcdev->current_fmt->host_fmt); in pxa_camera_sensor_bound()
2086 pxa_mbus_image_size(pcdev->current_fmt->host_fmt, in pxa_camera_sensor_bound()
2088 pix->pixelformat = pcdev->current_fmt->host_fmt->fourcc; in pxa_camera_sensor_bound()
2089 v4l2_fill_mbus_format(mf, pix, pcdev->current_fmt->code); in pxa_camera_sensor_bound()
2091 err = pxac_sensor_set_power(pcdev, 1); in pxa_camera_sensor_bound()
2095 err = sensor_call(pcdev, pad, set_fmt, NULL, &format); in pxa_camera_sensor_bound()
2103 err = pxa_camera_init_videobuf2(pcdev); in pxa_camera_sensor_bound()
2107 err = video_register_device(&pcdev->vdev, VFL_TYPE_VIDEO, -1); in pxa_camera_sensor_bound()
2110 pcdev->sensor = NULL; in pxa_camera_sensor_bound()
2112 dev_info(pcdev_to_dev(pcdev), in pxa_camera_sensor_bound()
2118 err = pxac_sensor_set_power(pcdev, 0); in pxa_camera_sensor_bound()
2120 mutex_unlock(&pcdev->mlock); in pxa_camera_sensor_bound()
2128 struct pxa_camera_dev *pcdev = v4l2_dev_to_pcdev(notifier->v4l2_dev); in pxa_camera_sensor_unbind() local
2130 mutex_lock(&pcdev->mlock); in pxa_camera_sensor_unbind()
2131 dev_info(pcdev_to_dev(pcdev), in pxa_camera_sensor_unbind()
2136 __raw_writel(0x3ff, pcdev->base + CICR0); in pxa_camera_sensor_unbind()
2139 pxa_dma_stop_channels(pcdev); in pxa_camera_sensor_unbind()
2141 pxa_camera_destroy_formats(pcdev); in pxa_camera_sensor_unbind()
2143 if (pcdev->mclk_clk) { in pxa_camera_sensor_unbind()
2144 v4l2_clk_unregister(pcdev->mclk_clk); in pxa_camera_sensor_unbind()
2145 pcdev->mclk_clk = NULL; in pxa_camera_sensor_unbind()
2148 video_unregister_device(&pcdev->vdev); in pxa_camera_sensor_unbind()
2149 pcdev->sensor = NULL; in pxa_camera_sensor_unbind()
2151 mutex_unlock(&pcdev->mlock); in pxa_camera_sensor_unbind()
2164 struct pxa_camera_dev *pcdev = dev_get_drvdata(dev); in pxa_camera_suspend() local
2167 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR0); in pxa_camera_suspend()
2168 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR1); in pxa_camera_suspend()
2169 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR2); in pxa_camera_suspend()
2170 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR3); in pxa_camera_suspend()
2171 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR4); in pxa_camera_suspend()
2173 if (pcdev->sensor) in pxa_camera_suspend()
2174 ret = pxac_sensor_set_power(pcdev, 0); in pxa_camera_suspend()
2181 struct pxa_camera_dev *pcdev = dev_get_drvdata(dev); in pxa_camera_resume() local
2184 __raw_writel(pcdev->save_cicr[i++] & ~CICR0_ENB, pcdev->base + CICR0); in pxa_camera_resume()
2185 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR1); in pxa_camera_resume()
2186 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR2); in pxa_camera_resume()
2187 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR3); in pxa_camera_resume()
2188 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR4); in pxa_camera_resume()
2190 if (pcdev->sensor) { in pxa_camera_resume()
2191 ret = pxac_sensor_set_power(pcdev, 1); in pxa_camera_resume()
2195 if (!ret && pcdev->active) in pxa_camera_resume()
2196 pxa_camera_start_capture(pcdev); in pxa_camera_resume()
2202 struct pxa_camera_dev *pcdev, in pxa_camera_pdata_from_dt() argument
2211 pcdev->platform_flags |= PXA_CAMERA_MCLK_EN; in pxa_camera_pdata_from_dt()
2212 pcdev->mclk = mclk_rate; in pxa_camera_pdata_from_dt()
2229 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_4; in pxa_camera_pdata_from_dt()
2232 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_5; in pxa_camera_pdata_from_dt()
2235 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_8; in pxa_camera_pdata_from_dt()
2238 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_9; in pxa_camera_pdata_from_dt()
2241 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_10; in pxa_camera_pdata_from_dt()
2248 pcdev->platform_flags |= PXA_CAMERA_MASTER; in pxa_camera_pdata_from_dt()
2250 pcdev->platform_flags |= PXA_CAMERA_HSP; in pxa_camera_pdata_from_dt()
2252 pcdev->platform_flags |= PXA_CAMERA_VSP; in pxa_camera_pdata_from_dt()
2254 pcdev->platform_flags |= PXA_CAMERA_PCLK_EN | PXA_CAMERA_PCP; in pxa_camera_pdata_from_dt()
2256 pcdev->platform_flags |= PXA_CAMERA_PCLK_EN; in pxa_camera_pdata_from_dt()
2273 struct pxa_camera_dev *pcdev; in pxa_camera_probe() local
2290 pcdev = devm_kzalloc(&pdev->dev, sizeof(*pcdev), GFP_KERNEL); in pxa_camera_probe()
2291 if (!pcdev) { in pxa_camera_probe()
2296 pcdev->clk = devm_clk_get(&pdev->dev, NULL); in pxa_camera_probe()
2297 if (IS_ERR(pcdev->clk)) in pxa_camera_probe()
2298 return PTR_ERR(pcdev->clk); in pxa_camera_probe()
2300 pcdev->res = res; in pxa_camera_probe()
2302 pcdev->pdata = pdev->dev.platform_data; in pxa_camera_probe()
2303 if (pcdev->pdata) { in pxa_camera_probe()
2304 pcdev->platform_flags = pcdev->pdata->flags; in pxa_camera_probe()
2305 pcdev->mclk = pcdev->pdata->mclk_10khz * 10000; in pxa_camera_probe()
2306 pcdev->asd.match_type = V4L2_ASYNC_MATCH_I2C; in pxa_camera_probe()
2307 pcdev->asd.match.i2c.adapter_id = in pxa_camera_probe()
2308 pcdev->pdata->sensor_i2c_adapter_id; in pxa_camera_probe()
2309 pcdev->asd.match.i2c.address = pcdev->pdata->sensor_i2c_address; in pxa_camera_probe()
2311 err = pxa_camera_pdata_from_dt(&pdev->dev, pcdev, &pcdev->asd); in pxa_camera_probe()
2318 if (!(pcdev->platform_flags & (PXA_CAMERA_DATAWIDTH_8 | in pxa_camera_probe()
2325 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_10; in pxa_camera_probe()
2327 if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_8) in pxa_camera_probe()
2328 pcdev->width_flags = 1 << 7; in pxa_camera_probe()
2329 if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_9) in pxa_camera_probe()
2330 pcdev->width_flags |= 1 << 8; in pxa_camera_probe()
2331 if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_10) in pxa_camera_probe()
2332 pcdev->width_flags |= 1 << 9; in pxa_camera_probe()
2333 if (!pcdev->mclk) { in pxa_camera_probe()
2336 pcdev->mclk = 20000000; in pxa_camera_probe()
2339 pcdev->mclk_divisor = mclk_get_divisor(pdev, pcdev); in pxa_camera_probe()
2341 INIT_LIST_HEAD(&pcdev->capture); in pxa_camera_probe()
2342 spin_lock_init(&pcdev->lock); in pxa_camera_probe()
2343 mutex_init(&pcdev->mlock); in pxa_camera_probe()
2352 pcdev->irq = irq; in pxa_camera_probe()
2353 pcdev->base = base; in pxa_camera_probe()
2356 pcdev->dma_chans[0] = dma_request_chan(&pdev->dev, "CI_Y"); in pxa_camera_probe()
2357 if (IS_ERR(pcdev->dma_chans[0])) { in pxa_camera_probe()
2359 return PTR_ERR(pcdev->dma_chans[0]); in pxa_camera_probe()
2362 pcdev->dma_chans[1] = dma_request_chan(&pdev->dev, "CI_U"); in pxa_camera_probe()
2363 if (IS_ERR(pcdev->dma_chans[1])) { in pxa_camera_probe()
2365 err = PTR_ERR(pcdev->dma_chans[1]); in pxa_camera_probe()
2369 pcdev->dma_chans[2] = dma_request_chan(&pdev->dev, "CI_V"); in pxa_camera_probe()
2370 if (IS_ERR(pcdev->dma_chans[2])) { in pxa_camera_probe()
2372 err = PTR_ERR(pcdev->dma_chans[2]); in pxa_camera_probe()
2377 config.src_addr = pcdev->res->start + CIBR0 + i * 8; in pxa_camera_probe()
2378 err = dmaengine_slave_config(pcdev->dma_chans[i], &config); in pxa_camera_probe()
2387 err = devm_request_irq(&pdev->dev, pcdev->irq, pxa_camera_irq, 0, in pxa_camera_probe()
2388 PXA_CAM_DRV_NAME, pcdev); in pxa_camera_probe()
2394 tasklet_setup(&pcdev->task_eof, pxa_camera_eof); in pxa_camera_probe()
2396 pxa_camera_activate(pcdev); in pxa_camera_probe()
2398 dev_set_drvdata(&pdev->dev, pcdev); in pxa_camera_probe()
2399 err = v4l2_device_register(&pdev->dev, &pcdev->v4l2_dev); in pxa_camera_probe()
2403 v4l2_async_notifier_init(&pcdev->notifier); in pxa_camera_probe()
2405 err = v4l2_async_notifier_add_subdev(&pcdev->notifier, &pcdev->asd); in pxa_camera_probe()
2407 fwnode_handle_put(pcdev->asd.match.fwnode); in pxa_camera_probe()
2411 pcdev->notifier.ops = &pxa_camera_sensor_ops; in pxa_camera_probe()
2414 pcdev->asd.match_type = V4L2_ASYNC_MATCH_I2C; in pxa_camera_probe()
2416 err = pxa_camera_init_videobuf2(pcdev); in pxa_camera_probe()
2421 pcdev->asd.match.i2c.adapter_id, in pxa_camera_probe()
2422 pcdev->asd.match.i2c.address); in pxa_camera_probe()
2424 pcdev->mclk_clk = v4l2_clk_register(&pxa_camera_mclk_ops, clk_name, NULL); in pxa_camera_probe()
2425 if (IS_ERR(pcdev->mclk_clk)) { in pxa_camera_probe()
2426 err = PTR_ERR(pcdev->mclk_clk); in pxa_camera_probe()
2430 err = v4l2_async_notifier_register(&pcdev->v4l2_dev, &pcdev->notifier); in pxa_camera_probe()
2436 v4l2_clk_unregister(pcdev->mclk_clk); in pxa_camera_probe()
2438 v4l2_async_notifier_cleanup(&pcdev->notifier); in pxa_camera_probe()
2440 v4l2_device_unregister(&pcdev->v4l2_dev); in pxa_camera_probe()
2442 pxa_camera_deactivate(pcdev); in pxa_camera_probe()
2443 tasklet_kill(&pcdev->task_eof); in pxa_camera_probe()
2445 dma_release_channel(pcdev->dma_chans[2]); in pxa_camera_probe()
2447 dma_release_channel(pcdev->dma_chans[1]); in pxa_camera_probe()
2449 dma_release_channel(pcdev->dma_chans[0]); in pxa_camera_probe()
2455 struct pxa_camera_dev *pcdev = dev_get_drvdata(&pdev->dev); in pxa_camera_remove() local
2457 pxa_camera_deactivate(pcdev); in pxa_camera_remove()
2458 tasklet_kill(&pcdev->task_eof); in pxa_camera_remove()
2459 dma_release_channel(pcdev->dma_chans[0]); in pxa_camera_remove()
2460 dma_release_channel(pcdev->dma_chans[1]); in pxa_camera_remove()
2461 dma_release_channel(pcdev->dma_chans[2]); in pxa_camera_remove()
2463 v4l2_async_notifier_unregister(&pcdev->notifier); in pxa_camera_remove()
2464 v4l2_async_notifier_cleanup(&pcdev->notifier); in pxa_camera_remove()
2466 if (pcdev->mclk_clk) { in pxa_camera_remove()
2467 v4l2_clk_unregister(pcdev->mclk_clk); in pxa_camera_remove()
2468 pcdev->mclk_clk = NULL; in pxa_camera_remove()
2471 v4l2_device_unregister(&pcdev->v4l2_dev); in pxa_camera_remove()