Lines Matching +full:r8a7796 +full:- +full:csi2
1 // SPDX-License-Identifier: GPL-2.0
3 * Driver for Renesas R-Car MIPI CSI-2 Receiver
19 #include <media/mipi-csi2.h>
20 #include <media/v4l2-ctrls.h>
21 #include <media/v4l2-device.h>
22 #include <media/v4l2-fwnode.h>
23 #include <media/v4l2-mc.h>
24 #include <media/v4l2-subdev.h>
55 * VCDT[0-15]: Channel 0 VCDT[16-31]: Channel 1
56 * VCDT2[0-15]: Channel 2 VCDT2[16-31]: Channel 3
154 #define V4H_PPI_STARTUP_RW_COMMON_DPHY_REG(n) (0x21800 + ((n) * 2)) /* n = 0 - 9 */
168 #define V4H_CORE_DIG_IOCTRL_RW_AFE_LANE0_CTRL_2_REG(n) (0x22040 + ((n) * 2)) /* n = 0 - 15 */
169 #define V4H_CORE_DIG_IOCTRL_RW_AFE_LANE1_CTRL_2_REG(n) (0x22440 + ((n) * 2)) /* n = 0 - 15 */
170 #define V4H_CORE_DIG_IOCTRL_RW_AFE_LANE2_CTRL_2_REG(n) (0x22840 + ((n) * 2)) /* n = 0 - 15 */
171 #define V4H_CORE_DIG_IOCTRL_RW_AFE_LANE3_CTRL_2_REG(n) (0x22c40 + ((n) * 2)) /* n = 0 - 15 */
172 #define V4H_CORE_DIG_IOCTRL_RW_AFE_LANE4_CTRL_2_REG(n) (0x23040 + ((n) * 2)) /* n = 0 - 15 */
173 #define V4H_CORE_DIG_IOCTRL_RW_AFE_CB_CTRL_2_REG(n) (0x23840 + ((n) * 2)) /* n = 0 - 11 */
174 #define V4H_CORE_DIG_RW_COMMON_REG(n) (0x23880 + ((n) * 2)) /* n = 0 - 15 */
175 #define V4H_CORE_DIG_ANACTRL_RW_COMMON_ANACTRL_REG(n) (0x239e0 + ((n) * 2)) /* n = 0 - 3 */
179 /* V4H C-PHY */
180 #define V4H_CORE_DIG_RW_TRIO0_REG(n) (0x22100 + ((n) * 2)) /* n = 0 - 3 */
181 #define V4H_CORE_DIG_RW_TRIO1_REG(n) (0x22500 + ((n) * 2)) /* n = 0 - 3 */
182 #define V4H_CORE_DIG_RW_TRIO2_REG(n) (0x22900 + ((n) * 2)) /* n = 0 - 3 */
184 #define V4H_CORE_DIG_CLANE_0_RW_HS_RX_REG(n) (0x2a100 + ((n) * 2)) /* n = 0 - 6 */
186 #define V4H_CORE_DIG_CLANE_1_RW_HS_RX_REG(n) (0x2a500 + ((n) * 2)) /* n = 0 - 6 */
188 #define V4H_CORE_DIG_CLANE_2_RW_HS_RX_REG(n) (0x2a900 + ((n) * 2)) /* n = 0 - 6 */
637 return ioread32(priv->base + reg); in rcsi2_read()
642 iowrite32(data, priv->base + reg); in rcsi2_write()
647 iowrite16(data, priv->base + reg); in rcsi2_write16()
658 if (priv->info->enter_standby) in rcsi2_enter_standby()
659 priv->info->enter_standby(priv); in rcsi2_enter_standby()
661 reset_control_assert(priv->rstc); in rcsi2_enter_standby()
663 pm_runtime_put(priv->dev); in rcsi2_enter_standby()
670 ret = pm_runtime_resume_and_get(priv->dev); in rcsi2_exit_standby()
674 reset_control_deassert(priv->rstc); in rcsi2_exit_standby()
684 /* Wait for the clock and data lanes to enter LP-11 state. */ in rcsi2_wait_phy_start()
686 const u32 lane_mask = (1 << lanes) - 1; in rcsi2_wait_phy_start()
695 dev_err(priv->dev, "Timeout waiting for LP-11 state\n"); in rcsi2_wait_phy_start()
697 return -ETIMEDOUT; in rcsi2_wait_phy_start()
705 if (mbps < priv->info->hsfreqrange->mbps) in rcsi2_set_phypll()
706 dev_warn(priv->dev, "%u Mbps less than min PHY speed %u Mbps", in rcsi2_set_phypll()
707 mbps, priv->info->hsfreqrange->mbps); in rcsi2_set_phypll()
709 for (hsfreq = priv->info->hsfreqrange; hsfreq->mbps != 0; hsfreq++) { in rcsi2_set_phypll()
710 if (hsfreq->mbps >= mbps) in rcsi2_set_phypll()
715 if (!hsfreq->mbps) { in rcsi2_set_phypll()
716 dev_err(priv->dev, "Unsupported PHY speed (%u Mbps)", mbps); in rcsi2_set_phypll()
717 return -ERANGE; in rcsi2_set_phypll()
721 ((mbps - hsfreq_prev->mbps) <= (hsfreq->mbps - mbps))) in rcsi2_set_phypll()
724 rcsi2_write(priv, PHYPLL_REG, PHYPLL_HSFREQRANGE(hsfreq->reg)); in rcsi2_set_phypll()
736 if (!priv->remote) in rcsi2_calc_mbps()
737 return -ENODEV; in rcsi2_calc_mbps()
739 source = priv->remote; in rcsi2_calc_mbps()
742 ctrl = v4l2_ctrl_find(source->ctrl_handler, V4L2_CID_PIXEL_RATE); in rcsi2_calc_mbps()
744 dev_err(priv->dev, "no pixel rate control in subdev %s\n", in rcsi2_calc_mbps()
745 source->name); in rcsi2_calc_mbps()
746 return -EINVAL; in rcsi2_calc_mbps()
757 /* Adjust for C-PHY, divide by 2.8. */ in rcsi2_calc_mbps()
758 if (priv->cphy) in rcsi2_calc_mbps()
770 *lanes = priv->lanes; in rcsi2_get_active_lanes()
772 ret = v4l2_subdev_call(priv->remote, pad, get_mbus_config, in rcsi2_get_active_lanes()
773 priv->remote_pad, &mbus_config); in rcsi2_get_active_lanes()
774 if (ret == -ENOIOCTLCMD) { in rcsi2_get_active_lanes()
775 dev_dbg(priv->dev, "No remote mbus configuration available\n"); in rcsi2_get_active_lanes()
780 dev_err(priv->dev, "Failed to get remote mbus configuration\n"); in rcsi2_get_active_lanes()
786 if (!priv->cphy) in rcsi2_get_active_lanes()
787 return -EINVAL; in rcsi2_get_active_lanes()
790 if (priv->cphy) in rcsi2_get_active_lanes()
791 return -EINVAL; in rcsi2_get_active_lanes()
794 dev_err(priv->dev, "Unsupported media bus type %u\n", in rcsi2_get_active_lanes()
796 return -EINVAL; in rcsi2_get_active_lanes()
799 if (mbus_config.bus.mipi_csi2.num_data_lanes > priv->lanes) { in rcsi2_get_active_lanes()
800 dev_err(priv->dev, in rcsi2_get_active_lanes()
803 return -EINVAL; in rcsi2_get_active_lanes()
819 dev_dbg(priv->dev, "Input size (%ux%u%c)\n", in rcsi2_start_receiver_gen3()
820 priv->mf.width, priv->mf.height, in rcsi2_start_receiver_gen3()
821 priv->mf.field == V4L2_FIELD_NONE ? 'p' : 'i'); in rcsi2_start_receiver_gen3()
824 format = rcsi2_code_to_fmt(priv->mf.code); in rcsi2_start_receiver_gen3()
826 return -EINVAL; in rcsi2_start_receiver_gen3()
829 * Enable all supported CSI-2 channels with virtual channel and in rcsi2_start_receiver_gen3()
836 for (i = 0; i < priv->info->num_channels; i++) { in rcsi2_start_receiver_gen3()
839 if (priv->channel_vc[i] < 0) in rcsi2_start_receiver_gen3()
842 vcdt_part = VCDT_SEL_VC(priv->channel_vc[i]) | VCDT_VCDTN_EN | in rcsi2_start_receiver_gen3()
843 VCDT_SEL_DTN_ON | VCDT_SEL_DT(format->datatype); in rcsi2_start_receiver_gen3()
852 if (priv->mf.field == V4L2_FIELD_ALTERNATE) { in rcsi2_start_receiver_gen3()
856 if (priv->mf.height == 240) in rcsi2_start_receiver_gen3()
871 phycnt |= (1 << lanes) - 1; in rcsi2_start_receiver_gen3()
873 mbps = rcsi2_calc_mbps(priv, format->bpp, lanes); in rcsi2_start_receiver_gen3()
886 if (!priv->info->use_isp) { in rcsi2_start_receiver_gen3()
894 LSWAP_L0SEL(priv->lane_swap[0] - 1) | in rcsi2_start_receiver_gen3()
895 LSWAP_L1SEL(priv->lane_swap[1] - 1) | in rcsi2_start_receiver_gen3()
896 LSWAP_L2SEL(priv->lane_swap[2] - 1) | in rcsi2_start_receiver_gen3()
897 LSWAP_L3SEL(priv->lane_swap[3] - 1)); in rcsi2_start_receiver_gen3()
900 if (priv->info->init_phtw) { in rcsi2_start_receiver_gen3()
901 ret = priv->info->init_phtw(priv, mbps); in rcsi2_start_receiver_gen3()
906 if (priv->info->hsfreqrange) { in rcsi2_start_receiver_gen3()
912 if (priv->info->csi0clkfreqrange) in rcsi2_start_receiver_gen3()
914 CSI0CLKFREQRANGE(priv->info->csi0clkfreqrange)); in rcsi2_start_receiver_gen3()
916 if (priv->info->use_isp) in rcsi2_start_receiver_gen3()
932 if (priv->info->use_isp) in rcsi2_start_receiver_gen3()
936 if (priv->info->phy_post_init) { in rcsi2_start_receiver_gen3()
937 ret = priv->info->phy_post_init(priv); in rcsi2_start_receiver_gen3()
943 if (priv->info->clear_ulps) in rcsi2_start_receiver_gen3()
963 return -ETIMEDOUT; in rcsi2_wait_phy_start_v4h()
970 for (conf = cphy_setting_table_r8a779g0; conf->msps != 0; conf++) { in rcsi2_c_phy_setting_v4h()
971 if (conf->msps > msps) in rcsi2_c_phy_setting_v4h()
975 if (!conf->msps) { in rcsi2_c_phy_setting_v4h()
976 dev_err(priv->dev, "Unsupported PHY speed for msps setting (%u Msps)", msps); in rcsi2_c_phy_setting_v4h()
977 return -ERANGE; in rcsi2_c_phy_setting_v4h()
980 /* C-PHY specific */ in rcsi2_c_phy_setting_v4h()
1005 rcsi2_write16(priv, V4H_CORE_DIG_CLANE_0_RW_HS_RX_REG(2), conf->rx2); in rcsi2_c_phy_setting_v4h()
1006 rcsi2_write16(priv, V4H_CORE_DIG_CLANE_1_RW_HS_RX_REG(2), conf->rx2); in rcsi2_c_phy_setting_v4h()
1007 rcsi2_write16(priv, V4H_CORE_DIG_CLANE_2_RW_HS_RX_REG(2), conf->rx2); in rcsi2_c_phy_setting_v4h()
1015 rcsi2_write16(priv, V4H_CORE_DIG_RW_TRIO0_REG(0), conf->trio0); in rcsi2_c_phy_setting_v4h()
1016 rcsi2_write16(priv, V4H_CORE_DIG_RW_TRIO1_REG(0), conf->trio0); in rcsi2_c_phy_setting_v4h()
1017 rcsi2_write16(priv, V4H_CORE_DIG_RW_TRIO2_REG(0), conf->trio0); in rcsi2_c_phy_setting_v4h()
1019 rcsi2_write16(priv, V4H_CORE_DIG_RW_TRIO0_REG(2), conf->trio2); in rcsi2_c_phy_setting_v4h()
1020 rcsi2_write16(priv, V4H_CORE_DIG_RW_TRIO1_REG(2), conf->trio2); in rcsi2_c_phy_setting_v4h()
1021 rcsi2_write16(priv, V4H_CORE_DIG_RW_TRIO2_REG(2), conf->trio2); in rcsi2_c_phy_setting_v4h()
1023 rcsi2_write16(priv, V4H_CORE_DIG_RW_TRIO0_REG(1), conf->trio1); in rcsi2_c_phy_setting_v4h()
1024 rcsi2_write16(priv, V4H_CORE_DIG_RW_TRIO1_REG(1), conf->trio1); in rcsi2_c_phy_setting_v4h()
1025 rcsi2_write16(priv, V4H_CORE_DIG_RW_TRIO2_REG(1), conf->trio1); in rcsi2_c_phy_setting_v4h()
1028 * Configure pin-swap. in rcsi2_c_phy_setting_v4h()
1030 * on the 'clock-lanes' and 'data-lanes' devicetree properties. in rcsi2_c_phy_setting_v4h()
1041 dev_err(priv->dev, "PHY calibration failed\n"); in rcsi2_c_phy_setting_v4h()
1042 return -ETIMEDOUT; in rcsi2_c_phy_setting_v4h()
1045 /* C-PHY setting - analog programing*/ in rcsi2_c_phy_setting_v4h()
1046 rcsi2_write16(priv, V4H_CORE_DIG_IOCTRL_RW_AFE_LANE0_CTRL_2_REG(9), conf->lane29); in rcsi2_c_phy_setting_v4h()
1047 rcsi2_write16(priv, V4H_CORE_DIG_IOCTRL_RW_AFE_LANE0_CTRL_2_REG(7), conf->lane27); in rcsi2_c_phy_setting_v4h()
1060 format = rcsi2_code_to_fmt(priv->mf.code); in rcsi2_start_receiver_v4h()
1062 return -EINVAL; in rcsi2_start_receiver_v4h()
1068 msps = rcsi2_calc_mbps(priv, format->bpp, lanes); in rcsi2_start_receiver_v4h()
1083 rcsi2_write(priv, V4H_N_LANES_REG, lanes - 1); in rcsi2_start_receiver_v4h()
1085 /* Reset CSI2 */ in rcsi2_start_receiver_v4h()
1105 /* C-PHY settings */ in rcsi2_start_receiver_v4h()
1125 ret = priv->info->start_receiver(priv); in rcsi2_start()
1131 ret = v4l2_subdev_call(priv->remote, video, s_stream, 1); in rcsi2_start()
1143 v4l2_subdev_call(priv->remote, video, s_stream, 0); in rcsi2_stop()
1151 mutex_lock(&priv->lock); in rcsi2_s_stream()
1153 if (!priv->remote) { in rcsi2_s_stream()
1154 ret = -ENODEV; in rcsi2_s_stream()
1158 if (enable && priv->stream_count == 0) { in rcsi2_s_stream()
1162 } else if (!enable && priv->stream_count == 1) { in rcsi2_s_stream()
1166 priv->stream_count += enable ? 1 : -1; in rcsi2_s_stream()
1168 mutex_unlock(&priv->lock); in rcsi2_s_stream()
1180 mutex_lock(&priv->lock); in rcsi2_set_pad_format()
1182 if (!rcsi2_code_to_fmt(format->format.code)) in rcsi2_set_pad_format()
1183 format->format.code = rcar_csi2_formats[0].code; in rcsi2_set_pad_format()
1185 if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) { in rcsi2_set_pad_format()
1186 priv->mf = format->format; in rcsi2_set_pad_format()
1189 *framefmt = format->format; in rcsi2_set_pad_format()
1192 mutex_unlock(&priv->lock); in rcsi2_set_pad_format()
1203 mutex_lock(&priv->lock); in rcsi2_get_pad_format()
1205 if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) in rcsi2_get_pad_format()
1206 format->format = priv->mf; in rcsi2_get_pad_format()
1208 format->format = *v4l2_subdev_get_try_format(sd, sd_state, 0); in rcsi2_get_pad_format()
1210 mutex_unlock(&priv->lock); in rcsi2_get_pad_format()
1247 dev_info(priv->dev, "Transfer error, restarting CSI-2 receiver\n"); in rcsi2_irq()
1256 mutex_lock(&priv->lock); in rcsi2_irq_thread()
1260 dev_warn(priv->dev, "Failed to restart CSI-2 receiver\n"); in rcsi2_irq_thread()
1261 mutex_unlock(&priv->lock); in rcsi2_irq_thread()
1266 /* -----------------------------------------------------------------------------
1277 pad = media_entity_get_fwnode_pad(&subdev->entity, asc->match.fwnode, in rcsi2_notify_bound()
1280 dev_err(priv->dev, "Failed to find pad for %s\n", subdev->name); in rcsi2_notify_bound()
1284 priv->remote = subdev; in rcsi2_notify_bound()
1285 priv->remote_pad = pad; in rcsi2_notify_bound()
1287 dev_dbg(priv->dev, "Bound %s pad: %d\n", subdev->name, pad); in rcsi2_notify_bound()
1289 return media_create_pad_link(&subdev->entity, pad, in rcsi2_notify_bound()
1290 &priv->subdev.entity, 0, in rcsi2_notify_bound()
1301 priv->remote = NULL; in rcsi2_notify_unbind()
1303 dev_dbg(priv->dev, "Unbind %s\n", subdev->name); in rcsi2_notify_unbind()
1317 if (vep->base.port || vep->base.id) in rcsi2_parse_v4l2()
1318 return -ENOTCONN; in rcsi2_parse_v4l2()
1320 priv->lanes = vep->bus.mipi_csi2.num_data_lanes; in rcsi2_parse_v4l2()
1322 switch (vep->bus_type) { in rcsi2_parse_v4l2()
1324 if (!priv->info->support_dphy) { in rcsi2_parse_v4l2()
1325 dev_err(priv->dev, "D-PHY not supported\n"); in rcsi2_parse_v4l2()
1326 return -EINVAL; in rcsi2_parse_v4l2()
1329 if (priv->lanes != 1 && priv->lanes != 2 && priv->lanes != 4) { in rcsi2_parse_v4l2()
1330 dev_err(priv->dev, in rcsi2_parse_v4l2()
1331 "Unsupported number of data-lanes for D-PHY: %u\n", in rcsi2_parse_v4l2()
1332 priv->lanes); in rcsi2_parse_v4l2()
1333 return -EINVAL; in rcsi2_parse_v4l2()
1336 priv->cphy = false; in rcsi2_parse_v4l2()
1339 if (!priv->info->support_cphy) { in rcsi2_parse_v4l2()
1340 dev_err(priv->dev, "C-PHY not supported\n"); in rcsi2_parse_v4l2()
1341 return -EINVAL; in rcsi2_parse_v4l2()
1344 if (priv->lanes != 3) { in rcsi2_parse_v4l2()
1345 dev_err(priv->dev, in rcsi2_parse_v4l2()
1346 "Unsupported number of data-lanes for C-PHY: %u\n", in rcsi2_parse_v4l2()
1347 priv->lanes); in rcsi2_parse_v4l2()
1348 return -EINVAL; in rcsi2_parse_v4l2()
1351 priv->cphy = true; in rcsi2_parse_v4l2()
1354 dev_err(priv->dev, "Unsupported bus: %u\n", vep->bus_type); in rcsi2_parse_v4l2()
1355 return -EINVAL; in rcsi2_parse_v4l2()
1358 for (i = 0; i < ARRAY_SIZE(priv->lane_swap); i++) { in rcsi2_parse_v4l2()
1359 priv->lane_swap[i] = i < priv->lanes ? in rcsi2_parse_v4l2()
1360 vep->bus.mipi_csi2.data_lanes[i] : i; in rcsi2_parse_v4l2()
1363 if (priv->lane_swap[i] < 1 || priv->lane_swap[i] > 4) { in rcsi2_parse_v4l2()
1364 dev_err(priv->dev, "data-lanes must be in 1-4 range\n"); in rcsi2_parse_v4l2()
1365 return -EINVAL; in rcsi2_parse_v4l2()
1382 ep = fwnode_graph_get_endpoint_by_id(dev_fwnode(priv->dev), 0, 0, 0); in rcsi2_parse_dt()
1384 dev_err(priv->dev, "Not connected to subdevice\n"); in rcsi2_parse_dt()
1385 return -EINVAL; in rcsi2_parse_dt()
1390 dev_err(priv->dev, "Could not parse v4l2 endpoint\n"); in rcsi2_parse_dt()
1392 return -EINVAL; in rcsi2_parse_dt()
1404 dev_dbg(priv->dev, "Found '%pOF'\n", to_of_node(fwnode)); in rcsi2_parse_dt()
1406 v4l2_async_subdev_nf_init(&priv->notifier, &priv->subdev); in rcsi2_parse_dt()
1407 priv->notifier.ops = &rcar_csi2_notify_ops; in rcsi2_parse_dt()
1409 asc = v4l2_async_nf_add_fwnode(&priv->notifier, fwnode, in rcsi2_parse_dt()
1415 ret = v4l2_async_nf_register(&priv->notifier); in rcsi2_parse_dt()
1417 v4l2_async_nf_cleanup(&priv->notifier); in rcsi2_parse_dt()
1422 /* -----------------------------------------------------------------------------
1444 dev_err(priv->dev, "Timeout waiting for PHTW_DWEN and/or PHTW_CWEN\n"); in rcsi2_phtw_write()
1446 return -ETIMEDOUT; in rcsi2_phtw_write()
1455 for (value = values; value->data || value->code; value++) { in rcsi2_phtw_write_array()
1456 ret = rcsi2_phtw_write(priv, value->data, value->code); in rcsi2_phtw_write_array()
1470 for (value = values; value->mbps; value++) { in rcsi2_phtw_write_mbps()
1471 if (value->mbps >= mbps) in rcsi2_phtw_write_mbps()
1477 ((mbps - prev_value->mbps) <= (value->mbps - mbps))) in rcsi2_phtw_write_mbps()
1480 if (!value->mbps) { in rcsi2_phtw_write_mbps()
1481 dev_err(priv->dev, "Unsupported PHY speed (%u Mbps)", mbps); in rcsi2_phtw_write_mbps()
1482 return -ERANGE; in rcsi2_phtw_write_mbps()
1485 return rcsi2_phtw_write(priv, value->reg, code); in rcsi2_phtw_write_mbps()
1614 /* -----------------------------------------------------------------------------
1628 if (!is_media_entity_v4l2_video_device(remote->entity)) { in rcsi2_link_setup()
1629 dev_err(priv->dev, "Remote is not a video device\n"); in rcsi2_link_setup()
1630 return -EINVAL; in rcsi2_link_setup()
1633 vdev = media_entity_to_video_device(remote->entity); in rcsi2_link_setup()
1635 if (of_property_read_u32(vdev->dev_parent->of_node, "renesas,id", &id)) { in rcsi2_link_setup()
1636 dev_err(priv->dev, "No renesas,id, can't configure routing\n"); in rcsi2_link_setup()
1637 return -EINVAL; in rcsi2_link_setup()
1644 dev_dbg(priv->dev, in rcsi2_link_setup()
1646 return -EINVAL; in rcsi2_link_setup()
1649 vc = local->index - 1; in rcsi2_link_setup()
1651 dev_dbg(priv->dev, "Route VC%d to VIN%u on output channel %d\n", in rcsi2_link_setup()
1654 vc = -1; in rcsi2_link_setup()
1657 priv->channel_vc[channel] = vc; in rcsi2_link_setup()
1672 priv->base = devm_platform_ioremap_resource(pdev, 0); in rcsi2_probe_resources()
1673 if (IS_ERR(priv->base)) in rcsi2_probe_resources()
1674 return PTR_ERR(priv->base); in rcsi2_probe_resources()
1680 ret = devm_request_threaded_irq(&pdev->dev, irq, rcsi2_irq, in rcsi2_probe_resources()
1686 priv->rstc = devm_reset_control_get(&pdev->dev, NULL); in rcsi2_probe_resources()
1688 return PTR_ERR_OR_ZERO(priv->rstc); in rcsi2_probe_resources()
1787 .compatible = "renesas,r8a774a1-csi2",
1791 .compatible = "renesas,r8a774b1-csi2",
1795 .compatible = "renesas,r8a774c0-csi2",
1799 .compatible = "renesas,r8a774e1-csi2",
1803 .compatible = "renesas,r8a7795-csi2",
1807 .compatible = "renesas,r8a7796-csi2",
1811 .compatible = "renesas,r8a77961-csi2",
1815 .compatible = "renesas,r8a77965-csi2",
1819 .compatible = "renesas,r8a77970-csi2",
1823 .compatible = "renesas,r8a77980-csi2",
1827 .compatible = "renesas,r8a77990-csi2",
1831 .compatible = "renesas,r8a779a0-csi2",
1835 .compatible = "renesas,r8a779g0-csi2",
1857 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); in rcsi2_probe()
1859 return -ENOMEM; in rcsi2_probe()
1861 priv->info = of_device_get_match_data(&pdev->dev); in rcsi2_probe()
1869 priv->info = attr->data; in rcsi2_probe()
1871 priv->dev = &pdev->dev; in rcsi2_probe()
1873 mutex_init(&priv->lock); in rcsi2_probe()
1874 priv->stream_count = 0; in rcsi2_probe()
1878 dev_err(priv->dev, "Failed to get resources\n"); in rcsi2_probe()
1888 priv->subdev.owner = THIS_MODULE; in rcsi2_probe()
1889 priv->subdev.dev = &pdev->dev; in rcsi2_probe()
1890 v4l2_subdev_init(&priv->subdev, &rcar_csi2_subdev_ops); in rcsi2_probe()
1891 v4l2_set_subdevdata(&priv->subdev, &pdev->dev); in rcsi2_probe()
1892 snprintf(priv->subdev.name, V4L2_SUBDEV_NAME_SIZE, "%s %s", in rcsi2_probe()
1893 KBUILD_MODNAME, dev_name(&pdev->dev)); in rcsi2_probe()
1894 priv->subdev.flags = V4L2_SUBDEV_FL_HAS_DEVNODE; in rcsi2_probe()
1896 priv->subdev.entity.function = MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER; in rcsi2_probe()
1897 priv->subdev.entity.ops = &rcar_csi2_entity_ops; in rcsi2_probe()
1899 num_pads = priv->info->use_isp ? 2 : NR_OF_RCAR_CSI2_PAD; in rcsi2_probe()
1901 priv->pads[RCAR_CSI2_SINK].flags = MEDIA_PAD_FL_SINK; in rcsi2_probe()
1903 priv->pads[i].flags = MEDIA_PAD_FL_SOURCE; in rcsi2_probe()
1905 ret = media_entity_pads_init(&priv->subdev.entity, num_pads, in rcsi2_probe()
1906 priv->pads); in rcsi2_probe()
1910 for (i = 0; i < ARRAY_SIZE(priv->channel_vc); i++) in rcsi2_probe()
1911 priv->channel_vc[i] = -1; in rcsi2_probe()
1913 pm_runtime_enable(&pdev->dev); in rcsi2_probe()
1915 ret = v4l2_async_register_subdev(&priv->subdev); in rcsi2_probe()
1919 dev_info(priv->dev, "%d lanes found\n", priv->lanes); in rcsi2_probe()
1924 pm_runtime_disable(&pdev->dev); in rcsi2_probe()
1926 v4l2_async_nf_unregister(&priv->notifier); in rcsi2_probe()
1927 v4l2_async_nf_cleanup(&priv->notifier); in rcsi2_probe()
1929 mutex_destroy(&priv->lock); in rcsi2_probe()
1938 v4l2_async_nf_unregister(&priv->notifier); in rcsi2_remove()
1939 v4l2_async_nf_cleanup(&priv->notifier); in rcsi2_remove()
1940 v4l2_async_unregister_subdev(&priv->subdev); in rcsi2_remove()
1941 v4l2_subdev_cleanup(&priv->subdev); in rcsi2_remove()
1943 pm_runtime_disable(&pdev->dev); in rcsi2_remove()
1945 mutex_destroy(&priv->lock); in rcsi2_remove()
1952 .name = "rcar-csi2",
1961 MODULE_DESCRIPTION("Renesas R-Car MIPI CSI-2 receiver driver");