Lines Matching full:cal
3 * TI Camera Access Layer (CAL) - Driver
30 #include "cal.h"
33 MODULE_DESCRIPTION("TI CAL driver");
243 void cal_quickdump_regs(struct cal_dev *cal) in cal_quickdump_regs() argument
247 cal_info(cal, "CAL Registers @ 0x%pa:\n", &cal->res->start); in cal_quickdump_regs()
249 (__force const void *)cal->base, in cal_quickdump_regs()
250 resource_size(cal->res), false); in cal_quickdump_regs()
252 for (i = 0; i < cal->data->num_csi2_phy; ++i) { in cal_quickdump_regs()
253 struct cal_camerarx *phy = cal->phy[i]; in cal_quickdump_regs()
255 cal_info(cal, "CSI2 Core %u Registers @ %pa:\n", i, in cal_quickdump_regs()
271 static int cal_reserve_pix_proc(struct cal_dev *cal) in cal_reserve_pix_proc() argument
275 spin_lock(&cal->v4l2_dev.lock); in cal_reserve_pix_proc()
277 ret = find_first_zero_bit(&cal->reserved_pix_proc_mask, CAL_MAX_PIX_PROC); in cal_reserve_pix_proc()
280 spin_unlock(&cal->v4l2_dev.lock); in cal_reserve_pix_proc()
284 cal->reserved_pix_proc_mask |= BIT(ret); in cal_reserve_pix_proc()
286 spin_unlock(&cal->v4l2_dev.lock); in cal_reserve_pix_proc()
291 static void cal_release_pix_proc(struct cal_dev *cal, unsigned int pix_proc_num) in cal_release_pix_proc() argument
293 spin_lock(&cal->v4l2_dev.lock); in cal_release_pix_proc()
295 cal->reserved_pix_proc_mask &= ~BIT(pix_proc_num); in cal_release_pix_proc()
297 spin_unlock(&cal->v4l2_dev.lock); in cal_release_pix_proc()
304 val = cal_read(ctx->cal, CAL_CSI2_CTX(ctx->phy->instance, ctx->csi2_ctx)); in cal_ctx_csi2_config()
320 cal_write(ctx->cal, CAL_CSI2_CTX(ctx->phy->instance, ctx->csi2_ctx), val); in cal_ctx_csi2_config()
323 cal_read(ctx->cal, CAL_CSI2_CTX(ctx->phy->instance, ctx->csi2_ctx))); in cal_ctx_csi2_config()
357 dev_warn_once(ctx->cal->dev, in cal_ctx_pix_proc_config()
365 val = cal_read(ctx->cal, CAL_PIX_PROC(ctx->pix_proc)); in cal_ctx_pix_proc_config()
372 cal_write(ctx->cal, CAL_PIX_PROC(ctx->pix_proc), val); in cal_ctx_pix_proc_config()
374 cal_read(ctx->cal, CAL_PIX_PROC(ctx->pix_proc))); in cal_ctx_pix_proc_config()
382 val = cal_read(ctx->cal, CAL_WR_DMA_CTRL(ctx->dma_ctx)); in cal_ctx_wr_dma_config()
391 cal_write(ctx->cal, CAL_WR_DMA_CTRL(ctx->dma_ctx), val); in cal_ctx_wr_dma_config()
393 cal_read(ctx->cal, CAL_WR_DMA_CTRL(ctx->dma_ctx))); in cal_ctx_wr_dma_config()
395 cal_write_field(ctx->cal, CAL_WR_DMA_OFST(ctx->dma_ctx), in cal_ctx_wr_dma_config()
398 cal_read(ctx->cal, CAL_WR_DMA_OFST(ctx->dma_ctx))); in cal_ctx_wr_dma_config()
400 val = cal_read(ctx->cal, CAL_WR_DMA_XSIZE(ctx->dma_ctx)); in cal_ctx_wr_dma_config()
409 cal_write(ctx->cal, CAL_WR_DMA_XSIZE(ctx->dma_ctx), val); in cal_ctx_wr_dma_config()
411 cal_read(ctx->cal, CAL_WR_DMA_XSIZE(ctx->dma_ctx))); in cal_ctx_wr_dma_config()
416 cal_write(ctx->cal, CAL_WR_DMA_ADDR(ctx->dma_ctx), addr); in cal_ctx_set_dma_addr()
421 u32 val = cal_read(ctx->cal, CAL_WR_DMA_CTRL(ctx->dma_ctx)); in cal_ctx_wr_dma_enable()
425 cal_write(ctx->cal, CAL_WR_DMA_CTRL(ctx->dma_ctx), val); in cal_ctx_wr_dma_enable()
430 u32 val = cal_read(ctx->cal, CAL_WR_DMA_CTRL(ctx->dma_ctx)); in cal_ctx_wr_dma_disable()
434 cal_write(ctx->cal, CAL_WR_DMA_CTRL(ctx->dma_ctx), val); in cal_ctx_wr_dma_disable()
496 ret = cal_reserve_pix_proc(ctx->cal); in cal_ctx_prepare()
511 cal_release_pix_proc(ctx->cal, ctx->pix_proc); in cal_ctx_unprepare()
541 cal_write(ctx->cal, CAL_HL_IRQENABLE_SET(1), in cal_ctx_start()
543 cal_write(ctx->cal, CAL_HL_IRQENABLE_SET(2), in cal_ctx_start()
576 cal_write(ctx->cal, CAL_HL_IRQENABLE_CLR(1), in cal_ctx_stop()
578 cal_write(ctx->cal, CAL_HL_IRQENABLE_CLR(2), in cal_ctx_stop()
584 cal_write(ctx->cal, CAL_CSI2_CTX(ctx->phy->instance, ctx->csi2_ctx), 0); in cal_ctx_stop()
588 cal_write(ctx->cal, CAL_PIX_PROC(ctx->pix_proc), 0); in cal_ctx_stop()
603 struct cal_dev *cal = ctx->cal; in cal_update_seq_number() local
609 cal_read(cal, CAL_CSI2_STATUS(phy->instance, ctx->csi2_ctx)) & in cal_update_seq_number()
691 * CAL HW interrupts are inherently racy. If we get both start and end in cal_irq_handle_wdma()
722 struct cal_dev *cal = data; in cal_irq() local
727 status[i] = cal_read(cal, CAL_HL_IRQSTATUS(i)); in cal_irq()
729 cal_write(cal, CAL_HL_IRQSTATUS(i), status[i]); in cal_irq()
734 dev_err_ratelimited(cal->dev, "OCPO ERROR\n"); in cal_irq()
736 for (i = 0; i < cal->data->num_csi2_phy; ++i) { in cal_irq()
738 u32 cio_stat = cal_read(cal, in cal_irq()
741 dev_err_ratelimited(cal->dev, in cal_irq()
744 cal_write(cal, CAL_CSI2_COMPLEXIO_IRQSTATUS(i), in cal_irq()
749 u32 vc_stat = cal_read(cal, CAL_CSI2_VC_IRQSTATUS(i)); in cal_irq()
751 dev_err_ratelimited(cal->dev, in cal_irq()
755 cal_write(cal, CAL_CSI2_VC_IRQSTATUS(i), vc_stat); in cal_irq()
760 for (i = 0; i < cal->num_contexts; ++i) { in cal_irq()
765 cal_irq_handle_wdma(cal->ctx[i], start, end); in cal_irq()
828 struct cal_dev *cal = container_of(notifier, struct cal_dev, notifier); in cal_async_notifier_complete() local
832 for (i = 0; i < cal->num_contexts; ++i) { in cal_async_notifier_complete()
833 ret = cal_ctx_v4l2_register(cal->ctx[i]); in cal_async_notifier_complete()
841 ret = v4l2_device_register_subdev_nodes(&cal->v4l2_dev); in cal_async_notifier_complete()
849 if (!cal->ctx[i - 1]) in cal_async_notifier_complete()
852 cal_ctx_v4l2_unregister(cal->ctx[i - 1]); in cal_async_notifier_complete()
863 static int cal_async_notifier_register(struct cal_dev *cal) in cal_async_notifier_register() argument
868 v4l2_async_nf_init(&cal->notifier, &cal->v4l2_dev); in cal_async_notifier_register()
869 cal->notifier.ops = &cal_async_notifier_ops; in cal_async_notifier_register()
871 for (i = 0; i < cal->data->num_csi2_phy; ++i) { in cal_async_notifier_register()
872 struct cal_camerarx *phy = cal->phy[i]; in cal_async_notifier_register()
880 casd = v4l2_async_nf_add_fwnode(&cal->notifier, in cal_async_notifier_register()
892 ret = v4l2_async_nf_register(&cal->notifier); in cal_async_notifier_register()
894 cal_err(cal, "Error registering async notifier\n"); in cal_async_notifier_register()
901 v4l2_async_nf_cleanup(&cal->notifier); in cal_async_notifier_register()
905 static void cal_async_notifier_unregister(struct cal_dev *cal) in cal_async_notifier_unregister() argument
907 v4l2_async_nf_unregister(&cal->notifier); in cal_async_notifier_unregister()
908 v4l2_async_nf_cleanup(&cal->notifier); in cal_async_notifier_unregister()
920 static int cal_media_register(struct cal_dev *cal) in cal_media_register() argument
924 ret = media_device_register(&cal->mdev); in cal_media_register()
926 cal_err(cal, "Failed to register media device\n"); in cal_media_register()
934 ret = cal_async_notifier_register(cal); in cal_media_register()
936 media_device_unregister(&cal->mdev); in cal_media_register()
947 static void cal_media_unregister(struct cal_dev *cal) in cal_media_unregister() argument
952 for (i = 0; i < cal->num_contexts; i++) in cal_media_unregister()
953 cal_ctx_v4l2_unregister(cal->ctx[i]); in cal_media_unregister()
955 cal_async_notifier_unregister(cal); in cal_media_unregister()
956 media_device_unregister(&cal->mdev); in cal_media_unregister()
963 static int cal_media_init(struct cal_dev *cal) in cal_media_init() argument
965 struct media_device *mdev = &cal->mdev; in cal_media_init()
968 mdev->dev = cal->dev; in cal_media_init()
969 mdev->hw_revision = cal->revision; in cal_media_init()
970 strscpy(mdev->model, "CAL", sizeof(mdev->model)); in cal_media_init()
977 cal->v4l2_dev.mdev = mdev; in cal_media_init()
978 ret = v4l2_device_register(cal->dev, &cal->v4l2_dev); in cal_media_init()
980 cal_err(cal, "Failed to register V4L2 device\n"); in cal_media_init()
984 vb2_dma_contig_set_max_seg_size(cal->dev, DMA_BIT_MASK(32)); in cal_media_init()
994 static void cal_media_cleanup(struct cal_dev *cal) in cal_media_cleanup() argument
996 v4l2_device_unregister(&cal->v4l2_dev); in cal_media_cleanup()
997 media_device_cleanup(&cal->mdev); in cal_media_cleanup()
999 vb2_dma_contig_clear_max_seg_size(cal->dev); in cal_media_cleanup()
1007 static struct cal_ctx *cal_ctx_create(struct cal_dev *cal, int inst) in cal_ctx_create() argument
1016 ctx->cal = cal; in cal_ctx_create()
1017 ctx->phy = cal->phy[inst]; in cal_ctx_create()
1040 .compatible = "ti,dra72-cal",
1044 .compatible = "ti,dra72-pre-es2-cal",
1048 .compatible = "ti,dra76-cal",
1052 .compatible = "ti,am654-cal",
1063 static void cal_get_hwinfo(struct cal_dev *cal) in cal_get_hwinfo() argument
1067 cal->revision = cal_read(cal, CAL_HL_REVISION); in cal_get_hwinfo()
1068 switch (FIELD_GET(CAL_HL_REVISION_SCHEME_MASK, cal->revision)) { in cal_get_hwinfo()
1070 cal_dbg(3, cal, "CAL HW revision %lu.%lu.%lu (0x%08x)\n", in cal_get_hwinfo()
1071 FIELD_GET(CAL_HL_REVISION_MAJOR_MASK, cal->revision), in cal_get_hwinfo()
1072 FIELD_GET(CAL_HL_REVISION_MINOR_MASK, cal->revision), in cal_get_hwinfo()
1073 FIELD_GET(CAL_HL_REVISION_RTL_MASK, cal->revision), in cal_get_hwinfo()
1074 cal->revision); in cal_get_hwinfo()
1079 cal_info(cal, "Unexpected CAL HW revision 0x%08x\n", in cal_get_hwinfo()
1080 cal->revision); in cal_get_hwinfo()
1084 hwinfo = cal_read(cal, CAL_HL_HWINFO); in cal_get_hwinfo()
1086 cal_info(cal, "CAL_HL_HWINFO = 0x%08x, expected 0x%08x\n", in cal_get_hwinfo()
1090 static int cal_init_camerarx_regmap(struct cal_dev *cal) in cal_init_camerarx_regmap() argument
1092 struct platform_device *pdev = to_platform_device(cal->dev); in cal_init_camerarx_regmap()
1093 struct device_node *np = cal->dev->of_node; in cal_init_camerarx_regmap()
1103 cal->syscon_camerrx = syscon; in cal_init_camerarx_regmap()
1104 cal->syscon_camerrx_offset = offset; in cal_init_camerarx_regmap()
1108 dev_warn(cal->dev, "failed to get ti,camerrx-control: %ld\n", in cal_init_camerarx_regmap()
1117 base = devm_ioremap_resource(cal->dev, res); in cal_init_camerarx_regmap()
1119 cal_err(cal, "failed to ioremap camerrx_control\n"); in cal_init_camerarx_regmap()
1123 cal_dbg(1, cal, "ioresource %s at %pa - %pa\n", in cal_init_camerarx_regmap()
1141 cal->syscon_camerrx = syscon; in cal_init_camerarx_regmap()
1142 cal->syscon_camerrx_offset = 0; in cal_init_camerarx_regmap()
1149 struct cal_dev *cal; in cal_probe() local
1155 cal = devm_kzalloc(&pdev->dev, sizeof(*cal), GFP_KERNEL); in cal_probe()
1156 if (!cal) in cal_probe()
1159 cal->data = of_device_get_match_data(&pdev->dev); in cal_probe()
1160 if (!cal->data) { in cal_probe()
1165 cal->dev = &pdev->dev; in cal_probe()
1166 platform_set_drvdata(pdev, cal); in cal_probe()
1169 cal->fclk = devm_clk_get(&pdev->dev, "fck"); in cal_probe()
1170 if (IS_ERR(cal->fclk)) { in cal_probe()
1171 dev_err(&pdev->dev, "cannot get CAL fclk\n"); in cal_probe()
1172 return PTR_ERR(cal->fclk); in cal_probe()
1175 ret = cal_init_camerarx_regmap(cal); in cal_probe()
1179 cal->res = platform_get_resource_byname(pdev, IORESOURCE_MEM, in cal_probe()
1181 cal->base = devm_ioremap_resource(&pdev->dev, cal->res); in cal_probe()
1182 if (IS_ERR(cal->base)) in cal_probe()
1183 return PTR_ERR(cal->base); in cal_probe()
1185 cal_dbg(1, cal, "ioresource %s at %pa - %pa\n", in cal_probe()
1186 cal->res->name, &cal->res->start, &cal->res->end); in cal_probe()
1189 cal_dbg(1, cal, "got irq# %d\n", irq); in cal_probe()
1191 cal); in cal_probe()
1201 cal_get_hwinfo(cal); in cal_probe()
1205 ret = cal_media_init(cal); in cal_probe()
1210 for (i = 0; i < cal->data->num_csi2_phy; ++i) { in cal_probe()
1211 cal->phy[i] = cal_camerarx_create(cal, i); in cal_probe()
1212 if (IS_ERR(cal->phy[i])) { in cal_probe()
1213 ret = PTR_ERR(cal->phy[i]); in cal_probe()
1214 cal->phy[i] = NULL; in cal_probe()
1218 if (cal->phy[i]->source_node) in cal_probe()
1223 cal_err(cal, "Neither port is configured, no point in staying up\n"); in cal_probe()
1229 for (i = 0; i < cal->data->num_csi2_phy; ++i) { in cal_probe()
1230 if (!cal->phy[i]->source_node) in cal_probe()
1233 cal->ctx[cal->num_contexts] = cal_ctx_create(cal, i); in cal_probe()
1234 if (!cal->ctx[cal->num_contexts]) { in cal_probe()
1235 cal_err(cal, "Failed to create context %u\n", cal->num_contexts); in cal_probe()
1240 cal->num_contexts++; in cal_probe()
1244 ret = cal_media_register(cal); in cal_probe()
1251 for (i = 0; i < cal->num_contexts; i++) in cal_probe()
1252 cal_ctx_destroy(cal->ctx[i]); in cal_probe()
1255 for (i = 0; i < cal->data->num_csi2_phy; i++) in cal_probe()
1256 cal_camerarx_destroy(cal->phy[i]); in cal_probe()
1258 cal_media_cleanup(cal); in cal_probe()
1268 struct cal_dev *cal = platform_get_drvdata(pdev); in cal_remove() local
1272 cal_dbg(1, cal, "Removing %s\n", CAL_MODULE_NAME); in cal_remove()
1276 cal_media_unregister(cal); in cal_remove()
1278 for (i = 0; i < cal->data->num_csi2_phy; i++) in cal_remove()
1279 cal_camerarx_disable(cal->phy[i]); in cal_remove()
1281 for (i = 0; i < cal->num_contexts; i++) in cal_remove()
1282 cal_ctx_destroy(cal->ctx[i]); in cal_remove()
1284 for (i = 0; i < cal->data->num_csi2_phy; i++) in cal_remove()
1285 cal_camerarx_destroy(cal->phy[i]); in cal_remove()
1287 cal_media_cleanup(cal); in cal_remove()
1296 struct cal_dev *cal = dev_get_drvdata(dev); in cal_runtime_resume() local
1300 if (cal->data->flags & DRA72_CAL_PRE_ES2_LDO_DISABLE) { in cal_runtime_resume()
1305 for (i = 0; i < cal->data->num_csi2_phy; i++) in cal_runtime_resume()
1306 cal_camerarx_i913_errata(cal->phy[i]); in cal_runtime_resume()
1313 cal_write(cal, CAL_HL_IRQENABLE_SET(0), CAL_HL_IRQ_OCPO_ERR_MASK); in cal_runtime_resume()
1315 val = cal_read(cal, CAL_CTRL); in cal_runtime_resume()
1323 cal_write(cal, CAL_CTRL, val); in cal_runtime_resume()
1324 cal_dbg(3, cal, "CAL_CTRL = 0x%08x\n", cal_read(cal, CAL_CTRL)); in cal_runtime_resume()