diff options
Diffstat (limited to 'drivers/media/platform/qcom/venus/core.c')
| -rw-r--r-- | drivers/media/platform/qcom/venus/core.c | 113 |
1 files changed, 106 insertions, 7 deletions
diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 2d27c5167246..77d48578ecd2 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -286,6 +286,89 @@ static irqreturn_t venus_isr_thread(int irq, void *dev_id) return ret; } +#if defined(CONFIG_OF_DYNAMIC) +static int venus_add_video_core(struct venus_core *core, const char *node_name, + const char *compat) +{ + struct of_changeset *ocs = core->ocs; + struct device *dev = core->dev; + struct device_node *np, *enp; + int ret; + + if (!node_name) + return 0; + + enp = of_find_node_by_name(dev->of_node, node_name); + if (enp) { + of_node_put(enp); + return 0; + } + + np = of_changeset_create_node(ocs, dev->of_node, node_name); + if (!np) { + dev_err(dev, "Unable to create new node\n"); + return -ENODEV; + } + + ret = of_changeset_add_prop_string(ocs, np, "compatible", compat); + if (ret) + dev_err(dev, "unable to add %s\n", compat); + + of_node_put(np); + + return ret; +} + +static int venus_add_dynamic_nodes(struct venus_core *core) +{ + struct device *dev = core->dev; + int ret; + + core->ocs = kmalloc(sizeof(*core->ocs), GFP_KERNEL); + if (!core->ocs) + return -ENOMEM; + + of_changeset_init(core->ocs); + + ret = venus_add_video_core(core, core->res->dec_nodename, "venus-decoder"); + if (ret) + goto err; + + ret = venus_add_video_core(core, core->res->enc_nodename, "venus-encoder"); + if (ret) + goto err; + + ret = of_changeset_apply(core->ocs); + if (ret) { + dev_err(dev, "applying changeset fail ret %d\n", ret); + goto err; + } + + return 0; +err: + of_changeset_destroy(core->ocs); + kfree(core->ocs); + core->ocs = NULL; + return ret; +} + +static void venus_remove_dynamic_nodes(struct venus_core *core) +{ + if (core->ocs) { + of_changeset_revert(core->ocs); + of_changeset_destroy(core->ocs); + kfree(core->ocs); + } +} +#else +static int venus_add_dynamic_nodes(struct venus_core *core) +{ + return 0; +} + +static void venus_remove_dynamic_nodes(struct venus_core *core) {} +#endif + static int venus_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -365,9 +448,15 @@ static int venus_probe(struct platform_device *pdev) if (ret < 0) goto err_runtime_disable; + if (core->res->dec_nodename || core->res->enc_nodename) { + ret = venus_add_dynamic_nodes(core); + if (ret) + goto err_runtime_disable; + } + ret = of_platform_populate(dev->of_node, NULL, NULL, dev); if (ret) - goto err_runtime_disable; + goto err_remove_dynamic_nodes; ret = venus_firmware_init(core); if (ret) @@ -411,6 +500,8 @@ err_firmware_deinit: venus_firmware_deinit(core); err_of_depopulate: of_platform_depopulate(dev); +err_remove_dynamic_nodes: + venus_remove_dynamic_nodes(core); err_runtime_disable: pm_runtime_put_noidle(dev); pm_runtime_disable(dev); @@ -443,6 +534,8 @@ static void venus_remove(struct platform_device *pdev) venus_firmware_deinit(core); + venus_remove_dynamic_nodes(core); + pm_runtime_put_sync(dev); pm_runtime_disable(dev); @@ -506,18 +599,14 @@ err_cpucfg_path: void venus_close_common(struct venus_inst *inst) { /* - * First, remove the inst from the ->instances list, so that - * to_instance() will return NULL. - */ - hfi_session_destroy(inst); - /* - * Second, make sure we don't have IRQ/IRQ-thread currently running + * Make sure we don't have IRQ/IRQ-thread currently running * or pending execution, which would race with the inst destruction. */ synchronize_irq(inst->core->irq); v4l2_m2m_ctx_release(inst->m2m_ctx); v4l2_m2m_release(inst->m2m_dev); + hfi_session_destroy(inst); v4l2_fh_del(&inst->fh); v4l2_fh_exit(&inst->fh); v4l2_ctrl_handler_free(&inst->ctrl_handler); @@ -582,6 +671,8 @@ static const struct venus_resources msm8916_res = { .vmem_addr = 0, .dma_mask = 0xddc00000 - 1, .fwname = "qcom/venus-1.8/venus.mbn", + .dec_nodename = "video-decoder", + .enc_nodename = "video-encoder", }; static const struct freq_tbl msm8996_freq_table[] = { @@ -791,6 +882,8 @@ static const struct venus_resources sdm845_res_v2 = { .cp_nonpixel_start = 0x1000000, .cp_nonpixel_size = 0x24800000, .fwname = "qcom/venus-5.2/venus.mbn", + .dec_nodename = "video-core0", + .enc_nodename = "video-core1", }; static const struct freq_tbl sc7180_freq_table[] = { @@ -839,6 +932,8 @@ static const struct venus_resources sc7180_res = { .cp_nonpixel_start = 0x1000000, .cp_nonpixel_size = 0x24800000, .fwname = "qcom/venus-5.4/venus.mbn", + .dec_nodename = "video-decoder", + .enc_nodename = "video-encoder", }; static const struct freq_tbl sm8250_freq_table[] = { @@ -894,6 +989,8 @@ static const struct venus_resources sm8250_res = { .vmem_addr = 0, .dma_mask = 0xe0000000 - 1, .fwname = "qcom/vpu-1.0/venus.mbn", + .dec_nodename = "video-decoder", + .enc_nodename = "video-encoder", }; static const struct freq_tbl sc7280_freq_table[] = { @@ -956,6 +1053,8 @@ static const struct venus_resources sc7280_res = { .cp_nonpixel_start = 0x1000000, .cp_nonpixel_size = 0x24800000, .fwname = "qcom/vpu-2.0/venus.mbn", + .dec_nodename = "video-decoder", + .enc_nodename = "video-encoder", }; static const struct of_device_id venus_dt_match[] = { |