Lines Matching refs:pcdev
818 static struct device *pcdev_to_dev(struct pxa_camera_dev *pcdev) in pcdev_to_dev() argument
820 return pcdev->v4l2_dev.dev; in pcdev_to_dev()
828 static void pxa_camera_dma_irq(struct pxa_camera_dev *pcdev,
833 struct pxa_camera_dev *pcdev = data; in pxa_camera_dma_irq_y() local
835 pxa_camera_dma_irq(pcdev, DMA_Y); in pxa_camera_dma_irq_y()
840 struct pxa_camera_dev *pcdev = data; in pxa_camera_dma_irq_u() local
842 pxa_camera_dma_irq(pcdev, DMA_U); in pxa_camera_dma_irq_u()
847 struct pxa_camera_dev *pcdev = data; in pxa_camera_dma_irq_v() local
849 pxa_camera_dma_irq(pcdev, DMA_V); in pxa_camera_dma_irq_v()
864 static int pxa_init_dma_channel(struct pxa_camera_dev *pcdev, in pxa_init_dma_channel() argument
868 struct dma_chan *dma_chan = pcdev->dma_chans[channel]; in pxa_init_dma_channel()
874 dev_err(pcdev_to_dev(pcdev), in pxa_init_dma_channel()
879 tx->callback_param = pcdev; in pxa_init_dma_channel()
895 dev_dbg(pcdev_to_dev(pcdev), in pxa_init_dma_channel()
902 static void pxa_videobuf_set_actdma(struct pxa_camera_dev *pcdev, in pxa_videobuf_set_actdma() argument
917 static void pxa_dma_start_channels(struct pxa_camera_dev *pcdev) in pxa_dma_start_channels() argument
921 for (i = 0; i < pcdev->channels; i++) { in pxa_dma_start_channels()
922 dev_dbg(pcdev_to_dev(pcdev), in pxa_dma_start_channels()
924 dma_async_issue_pending(pcdev->dma_chans[i]); in pxa_dma_start_channels()
928 static void pxa_dma_stop_channels(struct pxa_camera_dev *pcdev) in pxa_dma_stop_channels() argument
932 for (i = 0; i < pcdev->channels; i++) { in pxa_dma_stop_channels()
933 dev_dbg(pcdev_to_dev(pcdev), in pxa_dma_stop_channels()
935 dmaengine_terminate_all(pcdev->dma_chans[i]); in pxa_dma_stop_channels()
939 static void pxa_dma_add_tail_buf(struct pxa_camera_dev *pcdev, in pxa_dma_add_tail_buf() argument
944 for (i = 0; i < pcdev->channels; i++) { in pxa_dma_add_tail_buf()
946 dev_dbg(pcdev_to_dev(pcdev), in pxa_dma_add_tail_buf()
960 static void pxa_camera_start_capture(struct pxa_camera_dev *pcdev) in pxa_camera_start_capture() argument
964 dev_dbg(pcdev_to_dev(pcdev), "%s\n", __func__); in pxa_camera_start_capture()
965 __raw_writel(__raw_readl(pcdev->base + CISR), pcdev->base + CISR); in pxa_camera_start_capture()
967 cicr0 = __raw_readl(pcdev->base + CICR0) | CICR0_ENB; in pxa_camera_start_capture()
969 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_start_capture()
972 static void pxa_camera_stop_capture(struct pxa_camera_dev *pcdev) in pxa_camera_stop_capture() argument
976 pxa_dma_stop_channels(pcdev); in pxa_camera_stop_capture()
978 cicr0 = __raw_readl(pcdev->base + CICR0) & ~CICR0_ENB; in pxa_camera_stop_capture()
979 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_stop_capture()
981 pcdev->active = NULL; in pxa_camera_stop_capture()
982 dev_dbg(pcdev_to_dev(pcdev), "%s\n", __func__); in pxa_camera_stop_capture()
985 static void pxa_camera_wakeup(struct pxa_camera_dev *pcdev, in pxa_camera_wakeup() argument
995 vbuf->sequence = pcdev->buf_sequence++; in pxa_camera_wakeup()
998 dev_dbg(pcdev_to_dev(pcdev), "%s dequeued buffer (buf=0x%p)\n", in pxa_camera_wakeup()
1001 if (list_empty(&pcdev->capture)) { in pxa_camera_wakeup()
1002 pxa_camera_stop_capture(pcdev); in pxa_camera_wakeup()
1006 pcdev->active = list_entry(pcdev->capture.next, in pxa_camera_wakeup()
1028 static void pxa_camera_check_link_miss(struct pxa_camera_dev *pcdev, in pxa_camera_check_link_miss() argument
1034 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_check_link_miss()
1036 __func__, pcdev->active, is_dma_stopped); in pxa_camera_check_link_miss()
1038 if (pcdev->active && is_dma_stopped) in pxa_camera_check_link_miss()
1039 pxa_camera_start_capture(pcdev); in pxa_camera_check_link_miss()
1042 static void pxa_camera_dma_irq(struct pxa_camera_dev *pcdev, in pxa_camera_dma_irq() argument
1052 spin_lock_irqsave(&pcdev->lock, flags); in pxa_camera_dma_irq()
1054 camera_status = __raw_readl(pcdev->base + CISR); in pxa_camera_dma_irq()
1055 dev_dbg(pcdev_to_dev(pcdev), "camera dma irq, cisr=0x%x dma=%d\n", in pxa_camera_dma_irq()
1058 if (pcdev->channels == 3) in pxa_camera_dma_irq()
1073 if (!pcdev->active) in pxa_camera_dma_irq()
1076 buf = pcdev->active; in pxa_camera_dma_irq()
1094 last_buf = list_entry(pcdev->capture.prev, in pxa_camera_dma_irq()
1096 last_status = dma_async_is_tx_complete(pcdev->dma_chans[chan], in pxa_camera_dma_irq()
1101 dev_dbg(pcdev_to_dev(pcdev), "FIFO overrun! CISR: %x\n", in pxa_camera_dma_irq()
1103 pxa_camera_stop_capture(pcdev); in pxa_camera_dma_irq()
1104 list_for_each_entry(buf, &pcdev->capture, queue) in pxa_camera_dma_irq()
1105 pxa_dma_add_tail_buf(pcdev, buf); in pxa_camera_dma_irq()
1106 pxa_camera_start_capture(pcdev); in pxa_camera_dma_irq()
1111 pxa_camera_wakeup(pcdev, buf, VB2_BUF_STATE_DONE); in pxa_camera_dma_irq()
1112 pxa_camera_check_link_miss(pcdev, last_buf->cookie[chan], in pxa_camera_dma_irq()
1117 spin_unlock_irqrestore(&pcdev->lock, flags); in pxa_camera_dma_irq()
1121 struct pxa_camera_dev *pcdev) in mclk_get_divisor() argument
1123 unsigned long mclk = pcdev->mclk; in mclk_get_divisor()
1127 lcdclk = clk_get_rate(pcdev->clk); in mclk_get_divisor()
1128 pcdev->ciclk = lcdclk; in mclk_get_divisor()
1141 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in mclk_get_divisor()
1142 pcdev->mclk = lcdclk / (2 * (div + 1)); in mclk_get_divisor()
1150 static void recalculate_fifo_timeout(struct pxa_camera_dev *pcdev, in recalculate_fifo_timeout() argument
1154 u32 ciclk_per_pixel = pcdev->ciclk / pclk + 1; in recalculate_fifo_timeout()
1156 __raw_writel(ciclk_per_pixel, pcdev->base + CITOR); in recalculate_fifo_timeout()
1159 static void pxa_camera_activate(struct pxa_camera_dev *pcdev) in pxa_camera_activate() argument
1164 __raw_writel(0x3ff, pcdev->base + CICR0); in pxa_camera_activate()
1166 if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN) in pxa_camera_activate()
1168 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in pxa_camera_activate()
1170 if (pcdev->platform_flags & PXA_CAMERA_PCP) in pxa_camera_activate()
1172 if (pcdev->platform_flags & PXA_CAMERA_HSP) in pxa_camera_activate()
1174 if (pcdev->platform_flags & PXA_CAMERA_VSP) in pxa_camera_activate()
1177 __raw_writel(pcdev->mclk_divisor | cicr4, pcdev->base + CICR4); in pxa_camera_activate()
1179 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in pxa_camera_activate()
1181 recalculate_fifo_timeout(pcdev, pcdev->mclk); in pxa_camera_activate()
1184 recalculate_fifo_timeout(pcdev, 13000000); in pxa_camera_activate()
1186 clk_prepare_enable(pcdev->clk); in pxa_camera_activate()
1189 static void pxa_camera_deactivate(struct pxa_camera_dev *pcdev) in pxa_camera_deactivate() argument
1191 clk_disable_unprepare(pcdev->clk); in pxa_camera_deactivate()
1196 struct pxa_camera_dev *pcdev = (struct pxa_camera_dev *)arg; in pxa_camera_eof() local
1200 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_eof()
1202 __raw_readl(pcdev->base + CISR)); in pxa_camera_eof()
1205 cifr = __raw_readl(pcdev->base + CIFR) | CIFR_RESET_F; in pxa_camera_eof()
1206 __raw_writel(cifr, pcdev->base + CIFR); in pxa_camera_eof()
1208 pcdev->active = list_first_entry(&pcdev->capture, in pxa_camera_eof()
1210 buf = pcdev->active; in pxa_camera_eof()
1211 pxa_videobuf_set_actdma(pcdev, buf); in pxa_camera_eof()
1213 pxa_dma_start_channels(pcdev); in pxa_camera_eof()
1218 struct pxa_camera_dev *pcdev = data; in pxa_camera_irq() local
1221 status = __raw_readl(pcdev->base + CISR); in pxa_camera_irq()
1222 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_irq()
1228 __raw_writel(status, pcdev->base + CISR); in pxa_camera_irq()
1231 cicr0 = __raw_readl(pcdev->base + CICR0) | CICR0_EOFM; in pxa_camera_irq()
1232 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_irq()
1233 tasklet_schedule(&pcdev->task_eof); in pxa_camera_irq()
1239 static int test_platform_param(struct pxa_camera_dev *pcdev, in test_platform_param() argument
1247 *flags = (pcdev->platform_flags & PXA_CAMERA_MASTER ? in test_platform_param()
1258 if ((1 << (buswidth - 1)) & pcdev->width_flags) in test_platform_param()
1264 static void pxa_camera_setup_cicr(struct pxa_camera_dev *pcdev, in pxa_camera_setup_cicr() argument
1269 int ret = sensor_call(pcdev, sensor, g_skip_top_lines, &y_skip_top); in pxa_camera_setup_cicr()
1278 switch (pcdev->current_fmt->host_fmt->bits_per_sample) { in pxa_camera_setup_cicr()
1297 if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN) in pxa_camera_setup_cicr()
1299 if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN) in pxa_camera_setup_cicr()
1308 cicr0 = __raw_readl(pcdev->base + CICR0); in pxa_camera_setup_cicr()
1310 __raw_writel(cicr0 & ~CICR0_ENB, pcdev->base + CICR0); in pxa_camera_setup_cicr()
1312 cicr1 = CICR1_PPL_VAL(pcdev->current_pix.width - 1) | bpp | dw; in pxa_camera_setup_cicr()
1316 pcdev->channels = 3; in pxa_camera_setup_cicr()
1342 cicr3 = CICR3_LPF_VAL(pcdev->current_pix.height - 1) | in pxa_camera_setup_cicr()
1344 cicr4 |= pcdev->mclk_divisor; in pxa_camera_setup_cicr()
1346 __raw_writel(cicr1, pcdev->base + CICR1); in pxa_camera_setup_cicr()
1347 __raw_writel(cicr2, pcdev->base + CICR2); in pxa_camera_setup_cicr()
1348 __raw_writel(cicr3, pcdev->base + CICR3); in pxa_camera_setup_cicr()
1349 __raw_writel(cicr4, pcdev->base + CICR4); in pxa_camera_setup_cicr()
1352 cicr0 = (cicr0 & CICR0_ENB) | (pcdev->platform_flags & PXA_CAMERA_MASTER ? in pxa_camera_setup_cicr()
1355 __raw_writel(cicr0, pcdev->base + CICR0); in pxa_camera_setup_cicr()
1376 static int pxa_buffer_init(struct pxa_camera_dev *pcdev, in pxa_buffer_init() argument
1381 int nb_channels = pcdev->channels; in pxa_buffer_init()
1402 dev_err(pcdev_to_dev(pcdev), in pxa_buffer_init()
1407 ret = pxa_init_dma_channel(pcdev, buf, i, in pxa_buffer_init()
1422 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_cleanup() local
1424 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_cleanup()
1432 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_queue() local
1434 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_queue()
1436 __func__, vb, pcdev->channels, vb2_get_plane_payload(vb, 0), in pxac_vb2_queue()
1437 pcdev->active); in pxac_vb2_queue()
1439 list_add_tail(&buf->queue, &pcdev->capture); in pxac_vb2_queue()
1441 pxa_dma_add_tail_buf(pcdev, buf); in pxac_vb2_queue()
1452 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_prepare() local
1456 switch (pcdev->channels) { in pxac_vb2_prepare()
1459 vb2_set_plane_payload(vb, 0, pcdev->current_pix.sizeimage); in pxac_vb2_prepare()
1465 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_prepare()
1467 __func__, vb, pcdev->channels, vb2_get_plane_payload(vb, 0)); in pxac_vb2_prepare()
1469 WARN_ON(!pcdev->current_fmt); in pxac_vb2_prepare()
1486 pxa_videobuf_set_actdma(pcdev, buf); in pxac_vb2_prepare()
1493 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vb->vb2_queue); in pxac_vb2_init() local
1496 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_init()
1498 __func__, pcdev->channels); in pxac_vb2_init()
1500 return pxa_buffer_init(pcdev, buf); in pxac_vb2_init()
1508 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vq); in pxac_vb2_queue_setup() local
1509 int size = pcdev->current_pix.sizeimage; in pxac_vb2_queue_setup()
1511 dev_dbg(pcdev_to_dev(pcdev), in pxac_vb2_queue_setup()
1523 switch (pcdev->channels) { in pxac_vb2_queue_setup()
1540 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vq); in pxac_vb2_start_streaming() local
1542 dev_dbg(pcdev_to_dev(pcdev), "%s(count=%d) active=%p\n", in pxac_vb2_start_streaming()
1543 __func__, count, pcdev->active); in pxac_vb2_start_streaming()
1545 pcdev->buf_sequence = 0; in pxac_vb2_start_streaming()
1546 if (!pcdev->active) in pxac_vb2_start_streaming()
1547 pxa_camera_start_capture(pcdev); in pxac_vb2_start_streaming()
1554 struct pxa_camera_dev *pcdev = vb2_get_drv_priv(vq); in pxac_vb2_stop_streaming() local
1557 dev_dbg(pcdev_to_dev(pcdev), "%s active=%p\n", in pxac_vb2_stop_streaming()
1558 __func__, pcdev->active); in pxac_vb2_stop_streaming()
1559 pxa_camera_stop_capture(pcdev); in pxac_vb2_stop_streaming()
1561 list_for_each_entry_safe(buf, tmp, &pcdev->capture, queue) in pxac_vb2_stop_streaming()
1562 pxa_camera_wakeup(pcdev, buf, VB2_BUF_STATE_ERROR); in pxac_vb2_stop_streaming()
1577 static int pxa_camera_init_videobuf2(struct pxa_camera_dev *pcdev) in pxa_camera_init_videobuf2() argument
1580 struct vb2_queue *vq = &pcdev->vb2_vq; in pxa_camera_init_videobuf2()
1585 vq->drv_priv = pcdev; in pxa_camera_init_videobuf2()
1588 vq->dev = pcdev->v4l2_dev.dev; in pxa_camera_init_videobuf2()
1592 vq->lock = &pcdev->mlock; in pxa_camera_init_videobuf2()
1595 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_init_videobuf2()
1604 static int pxa_camera_set_bus_param(struct pxa_camera_dev *pcdev) in pxa_camera_set_bus_param() argument
1607 u32 pixfmt = pcdev->current_fmt->host_fmt->fourcc; in pxa_camera_set_bus_param()
1611 ret = test_platform_param(pcdev, in pxa_camera_set_bus_param()
1612 pcdev->current_fmt->host_fmt->bits_per_sample, in pxa_camera_set_bus_param()
1617 ret = sensor_call(pcdev, video, g_mbus_config, &cfg); in pxa_camera_set_bus_param()
1622 dev_warn(pcdev_to_dev(pcdev), in pxa_camera_set_bus_param()
1633 pcdev->channels = 1; in pxa_camera_set_bus_param()
1638 if (pcdev->platform_flags & PXA_CAMERA_HSP) in pxa_camera_set_bus_param()
1646 if (pcdev->platform_flags & PXA_CAMERA_VSP) in pxa_camera_set_bus_param()
1654 if (pcdev->platform_flags & PXA_CAMERA_PCP) in pxa_camera_set_bus_param()
1661 ret = sensor_call(pcdev, video, s_mbus_config, &cfg); in pxa_camera_set_bus_param()
1663 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_set_bus_param()
1669 pxa_camera_setup_cicr(pcdev, common_flags, pixfmt); in pxa_camera_set_bus_param()
1674 static int pxa_camera_try_bus_param(struct pxa_camera_dev *pcdev, in pxa_camera_try_bus_param() argument
1679 int ret = test_platform_param(pcdev, buswidth, &bus_flags); in pxa_camera_try_bus_param()
1684 ret = sensor_call(pcdev, video, g_mbus_config, &cfg); in pxa_camera_try_bus_param()
1689 dev_warn(pcdev_to_dev(pcdev), in pxa_camera_try_bus_param()
1726 struct pxa_camera_dev *pcdev = v4l2_dev_to_pcdev(v4l2_dev); in pxa_camera_get_formats() local
1734 ret = sensor_call(pcdev, pad, enum_mbus_code, NULL, &code); in pxa_camera_get_formats()
1741 dev_err(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1747 ret = pxa_camera_try_bus_param(pcdev, fmt->bits_per_sample); in pxa_camera_get_formats()
1758 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1769 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1777 dev_dbg(pcdev_to_dev(pcdev), in pxa_camera_get_formats()
1794 static int pxa_camera_build_formats(struct pxa_camera_dev *pcdev) in pxa_camera_build_formats() argument
1798 xlate = pxa_mbus_build_fmts_xlate(&pcdev->v4l2_dev, pcdev->sensor, in pxa_camera_build_formats()
1803 pcdev->user_formats = xlate; in pxa_camera_build_formats()
1807 static void pxa_camera_destroy_formats(struct pxa_camera_dev *pcdev) in pxa_camera_destroy_formats() argument
1809 kfree(pcdev->user_formats); in pxa_camera_destroy_formats()
1823 struct pxa_camera_dev *pcdev = video_drvdata(file); in pxac_vidioc_g_register() local
1828 reg->val = __raw_readl(pcdev->base + reg->reg); in pxac_vidioc_g_register()
1836 struct pxa_camera_dev *pcdev = video_drvdata(file); in pxac_vidioc_s_register() local
1842 __raw_writel(reg->val, pcdev->base + reg->reg); in pxac_vidioc_s_register()
1850 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_enum_fmt_vid_cap() local
1854 for (idx = 0; pcdev->user_formats[idx].code; idx++); in pxac_vidioc_enum_fmt_vid_cap()
1858 format = pcdev->user_formats[f->index].host_fmt; in pxac_vidioc_enum_fmt_vid_cap()
1866 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_g_fmt_vid_cap() local
1869 pix->width = pcdev->current_pix.width; in pxac_vidioc_g_fmt_vid_cap()
1870 pix->height = pcdev->current_pix.height; in pxac_vidioc_g_fmt_vid_cap()
1871 pix->bytesperline = pcdev->current_pix.bytesperline; in pxac_vidioc_g_fmt_vid_cap()
1872 pix->sizeimage = pcdev->current_pix.sizeimage; in pxac_vidioc_g_fmt_vid_cap()
1873 pix->field = pcdev->current_pix.field; in pxac_vidioc_g_fmt_vid_cap()
1874 pix->pixelformat = pcdev->current_fmt->host_fmt->fourcc; in pxac_vidioc_g_fmt_vid_cap()
1875 pix->colorspace = pcdev->current_pix.colorspace; in pxac_vidioc_g_fmt_vid_cap()
1876 dev_dbg(pcdev_to_dev(pcdev), "current_fmt->fourcc: 0x%08x\n", in pxac_vidioc_g_fmt_vid_cap()
1877 pcdev->current_fmt->host_fmt->fourcc); in pxac_vidioc_g_fmt_vid_cap()
1884 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_try_fmt_vid_cap() local
1895 xlate = pxa_mbus_xlate_by_fourcc(pcdev->user_formats, pixfmt); in pxac_vidioc_try_fmt_vid_cap()
1897 dev_warn(pcdev_to_dev(pcdev), "Format %x not found\n", pixfmt); in pxac_vidioc_try_fmt_vid_cap()
1912 ret = sensor_call(pcdev, pad, set_fmt, &pad_cfg, &format); in pxac_vidioc_try_fmt_vid_cap()
1926 dev_err(pcdev_to_dev(pcdev), "Field type %d unsupported.\n", in pxac_vidioc_try_fmt_vid_cap()
1948 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_vidioc_s_fmt_vid_cap() local
1957 dev_dbg(pcdev_to_dev(pcdev), in pxac_vidioc_s_fmt_vid_cap()
1961 spin_lock_irqsave(&pcdev->lock, flags); in pxac_vidioc_s_fmt_vid_cap()
1962 is_busy = pcdev->active || vb2_is_busy(&pcdev->vb2_vq); in pxac_vidioc_s_fmt_vid_cap()
1963 spin_unlock_irqrestore(&pcdev->lock, flags); in pxac_vidioc_s_fmt_vid_cap()
1972 xlate = pxa_mbus_xlate_by_fourcc(pcdev->user_formats, in pxac_vidioc_s_fmt_vid_cap()
1975 ret = sensor_call(pcdev, pad, set_fmt, NULL, &format); in pxac_vidioc_s_fmt_vid_cap()
1977 dev_warn(pcdev_to_dev(pcdev), in pxac_vidioc_s_fmt_vid_cap()
1981 dev_warn(pcdev_to_dev(pcdev), in pxac_vidioc_s_fmt_vid_cap()
1987 pcdev->current_fmt = xlate; in pxac_vidioc_s_fmt_vid_cap()
1988 pcdev->current_pix = *pix; in pxac_vidioc_s_fmt_vid_cap()
1990 ret = pxa_camera_set_bus_param(pcdev); in pxac_vidioc_s_fmt_vid_cap()
2033 static int pxac_sensor_set_power(struct pxa_camera_dev *pcdev, int on) in pxac_sensor_set_power() argument
2037 ret = sensor_call(pcdev, core, s_power, on); in pxac_sensor_set_power()
2041 dev_warn(pcdev_to_dev(pcdev), in pxac_sensor_set_power()
2051 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_fops_camera_open() local
2054 mutex_lock(&pcdev->mlock); in pxac_fops_camera_open()
2062 ret = pxac_sensor_set_power(pcdev, 1); in pxac_fops_camera_open()
2066 mutex_unlock(&pcdev->mlock); in pxac_fops_camera_open()
2072 struct pxa_camera_dev *pcdev = video_drvdata(filp); in pxac_fops_camera_release() local
2076 mutex_lock(&pcdev->mlock); in pxac_fops_camera_release()
2083 ret = pxac_sensor_set_power(pcdev, 0); in pxac_fops_camera_release()
2085 mutex_unlock(&pcdev->mlock); in pxac_fops_camera_release()
2146 struct pxa_camera_dev *pcdev = v4l2_dev_to_pcdev(v4l2_dev); in pxa_camera_sensor_bound() local
2147 struct video_device *vdev = &pcdev->vdev; in pxa_camera_sensor_bound()
2148 struct v4l2_pix_format *pix = &pcdev->current_pix; in pxa_camera_sensor_bound()
2154 dev_info(pcdev_to_dev(pcdev), "%s(): trying to bind a device\n", in pxa_camera_sensor_bound()
2156 mutex_lock(&pcdev->mlock); in pxa_camera_sensor_bound()
2159 vdev->lock = &pcdev->mlock; in pxa_camera_sensor_bound()
2160 pcdev->sensor = subdev; in pxa_camera_sensor_bound()
2161 pcdev->vdev.queue = &pcdev->vb2_vq; in pxa_camera_sensor_bound()
2162 pcdev->vdev.v4l2_dev = &pcdev->v4l2_dev; in pxa_camera_sensor_bound()
2163 pcdev->vdev.ctrl_handler = subdev->ctrl_handler; in pxa_camera_sensor_bound()
2164 video_set_drvdata(&pcdev->vdev, pcdev); in pxa_camera_sensor_bound()
2166 err = pxa_camera_build_formats(pcdev); in pxa_camera_sensor_bound()
2168 dev_err(pcdev_to_dev(pcdev), "building formats failed: %d\n", in pxa_camera_sensor_bound()
2173 pcdev->current_fmt = pcdev->user_formats; in pxa_camera_sensor_bound()
2179 pcdev->current_fmt->host_fmt); in pxa_camera_sensor_bound()
2181 pxa_mbus_image_size(pcdev->current_fmt->host_fmt, in pxa_camera_sensor_bound()
2183 pix->pixelformat = pcdev->current_fmt->host_fmt->fourcc; in pxa_camera_sensor_bound()
2184 v4l2_fill_mbus_format(mf, pix, pcdev->current_fmt->code); in pxa_camera_sensor_bound()
2186 err = pxac_sensor_set_power(pcdev, 1); in pxa_camera_sensor_bound()
2190 err = sensor_call(pcdev, pad, set_fmt, NULL, &format); in pxa_camera_sensor_bound()
2198 err = pxa_camera_init_videobuf2(pcdev); in pxa_camera_sensor_bound()
2202 err = video_register_device(&pcdev->vdev, VFL_TYPE_GRABBER, -1); in pxa_camera_sensor_bound()
2205 pcdev->sensor = NULL; in pxa_camera_sensor_bound()
2207 dev_info(pcdev_to_dev(pcdev), in pxa_camera_sensor_bound()
2213 err = pxac_sensor_set_power(pcdev, 0); in pxa_camera_sensor_bound()
2215 mutex_unlock(&pcdev->mlock); in pxa_camera_sensor_bound()
2223 struct pxa_camera_dev *pcdev = v4l2_dev_to_pcdev(notifier->v4l2_dev); in pxa_camera_sensor_unbind() local
2225 mutex_lock(&pcdev->mlock); in pxa_camera_sensor_unbind()
2226 dev_info(pcdev_to_dev(pcdev), in pxa_camera_sensor_unbind()
2231 __raw_writel(0x3ff, pcdev->base + CICR0); in pxa_camera_sensor_unbind()
2234 pxa_dma_stop_channels(pcdev); in pxa_camera_sensor_unbind()
2236 pxa_camera_destroy_formats(pcdev); in pxa_camera_sensor_unbind()
2238 if (pcdev->mclk_clk) { in pxa_camera_sensor_unbind()
2239 v4l2_clk_unregister(pcdev->mclk_clk); in pxa_camera_sensor_unbind()
2240 pcdev->mclk_clk = NULL; in pxa_camera_sensor_unbind()
2243 video_unregister_device(&pcdev->vdev); in pxa_camera_sensor_unbind()
2244 pcdev->sensor = NULL; in pxa_camera_sensor_unbind()
2246 mutex_unlock(&pcdev->mlock); in pxa_camera_sensor_unbind()
2259 struct pxa_camera_dev *pcdev = dev_get_drvdata(dev); in pxa_camera_suspend() local
2262 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR0); in pxa_camera_suspend()
2263 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR1); in pxa_camera_suspend()
2264 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR2); in pxa_camera_suspend()
2265 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR3); in pxa_camera_suspend()
2266 pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR4); in pxa_camera_suspend()
2268 if (pcdev->sensor) in pxa_camera_suspend()
2269 ret = pxac_sensor_set_power(pcdev, 0); in pxa_camera_suspend()
2276 struct pxa_camera_dev *pcdev = dev_get_drvdata(dev); in pxa_camera_resume() local
2279 __raw_writel(pcdev->save_cicr[i++] & ~CICR0_ENB, pcdev->base + CICR0); in pxa_camera_resume()
2280 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR1); in pxa_camera_resume()
2281 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR2); in pxa_camera_resume()
2282 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR3); in pxa_camera_resume()
2283 __raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR4); in pxa_camera_resume()
2285 if (pcdev->sensor) { in pxa_camera_resume()
2286 ret = pxac_sensor_set_power(pcdev, 1); in pxa_camera_resume()
2290 if (!ret && pcdev->active) in pxa_camera_resume()
2291 pxa_camera_start_capture(pcdev); in pxa_camera_resume()
2297 struct pxa_camera_dev *pcdev, in pxa_camera_pdata_from_dt() argument
2306 pcdev->platform_flags |= PXA_CAMERA_MCLK_EN; in pxa_camera_pdata_from_dt()
2307 pcdev->mclk = mclk_rate; in pxa_camera_pdata_from_dt()
2324 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_4; in pxa_camera_pdata_from_dt()
2327 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_5; in pxa_camera_pdata_from_dt()
2330 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_8; in pxa_camera_pdata_from_dt()
2333 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_9; in pxa_camera_pdata_from_dt()
2336 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_10; in pxa_camera_pdata_from_dt()
2343 pcdev->platform_flags |= PXA_CAMERA_MASTER; in pxa_camera_pdata_from_dt()
2345 pcdev->platform_flags |= PXA_CAMERA_HSP; in pxa_camera_pdata_from_dt()
2347 pcdev->platform_flags |= PXA_CAMERA_VSP; in pxa_camera_pdata_from_dt()
2349 pcdev->platform_flags |= PXA_CAMERA_PCLK_EN | PXA_CAMERA_PCP; in pxa_camera_pdata_from_dt()
2351 pcdev->platform_flags |= PXA_CAMERA_PCLK_EN; in pxa_camera_pdata_from_dt()
2370 struct pxa_camera_dev *pcdev; in pxa_camera_probe() local
2387 pcdev = devm_kzalloc(&pdev->dev, sizeof(*pcdev), GFP_KERNEL); in pxa_camera_probe()
2388 if (!pcdev) { in pxa_camera_probe()
2393 pcdev->clk = devm_clk_get(&pdev->dev, NULL); in pxa_camera_probe()
2394 if (IS_ERR(pcdev->clk)) in pxa_camera_probe()
2395 return PTR_ERR(pcdev->clk); in pxa_camera_probe()
2397 pcdev->res = res; in pxa_camera_probe()
2399 pcdev->pdata = pdev->dev.platform_data; in pxa_camera_probe()
2400 if (&pdev->dev.of_node && !pcdev->pdata) { in pxa_camera_probe()
2401 err = pxa_camera_pdata_from_dt(&pdev->dev, pcdev, &pcdev->asd); in pxa_camera_probe()
2403 pcdev->platform_flags = pcdev->pdata->flags; in pxa_camera_probe()
2404 pcdev->mclk = pcdev->pdata->mclk_10khz * 10000; in pxa_camera_probe()
2405 pcdev->asd.match_type = V4L2_ASYNC_MATCH_I2C; in pxa_camera_probe()
2406 pcdev->asd.match.i2c.adapter_id = in pxa_camera_probe()
2407 pcdev->pdata->sensor_i2c_adapter_id; in pxa_camera_probe()
2408 pcdev->asd.match.i2c.address = pcdev->pdata->sensor_i2c_address; in pxa_camera_probe()
2413 if (!(pcdev->platform_flags & (PXA_CAMERA_DATAWIDTH_8 | in pxa_camera_probe()
2420 pcdev->platform_flags |= PXA_CAMERA_DATAWIDTH_10; in pxa_camera_probe()
2422 if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_8) in pxa_camera_probe()
2423 pcdev->width_flags = 1 << 7; in pxa_camera_probe()
2424 if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_9) in pxa_camera_probe()
2425 pcdev->width_flags |= 1 << 8; in pxa_camera_probe()
2426 if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_10) in pxa_camera_probe()
2427 pcdev->width_flags |= 1 << 9; in pxa_camera_probe()
2428 if (!pcdev->mclk) { in pxa_camera_probe()
2431 pcdev->mclk = 20000000; in pxa_camera_probe()
2434 pcdev->mclk_divisor = mclk_get_divisor(pdev, pcdev); in pxa_camera_probe()
2436 INIT_LIST_HEAD(&pcdev->capture); in pxa_camera_probe()
2437 spin_lock_init(&pcdev->lock); in pxa_camera_probe()
2438 mutex_init(&pcdev->mlock); in pxa_camera_probe()
2447 pcdev->irq = irq; in pxa_camera_probe()
2448 pcdev->base = base; in pxa_camera_probe()
2451 pcdev->dma_chans[0] = dma_request_slave_channel(&pdev->dev, "CI_Y"); in pxa_camera_probe()
2452 if (!pcdev->dma_chans[0]) { in pxa_camera_probe()
2457 pcdev->dma_chans[1] = dma_request_slave_channel(&pdev->dev, "CI_U"); in pxa_camera_probe()
2458 if (!pcdev->dma_chans[1]) { in pxa_camera_probe()
2464 pcdev->dma_chans[2] = dma_request_slave_channel(&pdev->dev, "CI_V"); in pxa_camera_probe()
2465 if (!pcdev->dma_chans[2]) { in pxa_camera_probe()
2472 config.src_addr = pcdev->res->start + CIBR0 + i * 8; in pxa_camera_probe()
2473 err = dmaengine_slave_config(pcdev->dma_chans[i], &config); in pxa_camera_probe()
2482 err = devm_request_irq(&pdev->dev, pcdev->irq, pxa_camera_irq, 0, in pxa_camera_probe()
2483 PXA_CAM_DRV_NAME, pcdev); in pxa_camera_probe()
2489 tasklet_init(&pcdev->task_eof, pxa_camera_eof, (unsigned long)pcdev); in pxa_camera_probe()
2491 pxa_camera_activate(pcdev); in pxa_camera_probe()
2493 dev_set_drvdata(&pdev->dev, pcdev); in pxa_camera_probe()
2494 err = v4l2_device_register(&pdev->dev, &pcdev->v4l2_dev); in pxa_camera_probe()
2498 pcdev->asds[0] = &pcdev->asd; in pxa_camera_probe()
2499 pcdev->notifier.subdevs = pcdev->asds; in pxa_camera_probe()
2500 pcdev->notifier.num_subdevs = 1; in pxa_camera_probe()
2501 pcdev->notifier.ops = &pxa_camera_sensor_ops; in pxa_camera_probe()
2504 pcdev->asd.match_type = V4L2_ASYNC_MATCH_I2C; in pxa_camera_probe()
2506 err = pxa_camera_init_videobuf2(pcdev); in pxa_camera_probe()
2510 if (pcdev->mclk) { in pxa_camera_probe()
2512 pcdev->asd.match.i2c.adapter_id, in pxa_camera_probe()
2513 pcdev->asd.match.i2c.address); in pxa_camera_probe()
2515 pcdev->mclk_clk = v4l2_clk_register(&pxa_camera_mclk_ops, in pxa_camera_probe()
2517 if (IS_ERR(pcdev->mclk_clk)) { in pxa_camera_probe()
2518 err = PTR_ERR(pcdev->mclk_clk); in pxa_camera_probe()
2523 err = v4l2_async_notifier_register(&pcdev->v4l2_dev, &pcdev->notifier); in pxa_camera_probe()
2529 v4l2_clk_unregister(pcdev->mclk_clk); in pxa_camera_probe()
2531 v4l2_device_unregister(&pcdev->v4l2_dev); in pxa_camera_probe()
2533 pxa_camera_deactivate(pcdev); in pxa_camera_probe()
2535 dma_release_channel(pcdev->dma_chans[2]); in pxa_camera_probe()
2537 dma_release_channel(pcdev->dma_chans[1]); in pxa_camera_probe()
2539 dma_release_channel(pcdev->dma_chans[0]); in pxa_camera_probe()
2545 struct pxa_camera_dev *pcdev = dev_get_drvdata(&pdev->dev); in pxa_camera_remove() local
2547 pxa_camera_deactivate(pcdev); in pxa_camera_remove()
2548 dma_release_channel(pcdev->dma_chans[0]); in pxa_camera_remove()
2549 dma_release_channel(pcdev->dma_chans[1]); in pxa_camera_remove()
2550 dma_release_channel(pcdev->dma_chans[2]); in pxa_camera_remove()
2552 v4l2_async_notifier_unregister(&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()