diff options
Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c')
| -rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c | 66 |
1 files changed, 63 insertions, 3 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c index 7cab6849fb5..6c3f8f74390 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c @@ -44,8 +44,6 @@ int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev) return -ENOMEM; } - dev->bank1 = dev->bank1; - if (HAS_PORTNUM(dev) && IS_TWOPORT(dev)) { bank2_virt = dma_alloc_coherent(dev->mem_dev_r, 1 << MFC_BASE_ALIGN_ORDER, &bank2_dma_addr, GFP_KERNEL); @@ -69,7 +67,7 @@ int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev) } else { /* In this case bank2 can point to the same address as bank1. - * Firmware will always occupy the beggining of this area so it is + * Firmware will always occupy the beginning of this area so it is * impossible having a video frame buffer with zero address. */ dev->bank2 = dev->bank1; } @@ -402,3 +400,65 @@ int s5p_mfc_wakeup(struct s5p_mfc_dev *dev) return 0; } +int s5p_mfc_open_mfc_inst(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx) +{ + int ret = 0; + + ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer, ctx); + if (ret) { + mfc_err("Failed allocating instance buffer\n"); + goto err; + } + + if (ctx->type == MFCINST_DECODER) { + ret = s5p_mfc_hw_call(dev->mfc_ops, + alloc_dec_temp_buffers, ctx); + if (ret) { + mfc_err("Failed allocating temporary buffers\n"); + goto err_free_inst_buf; + } + } + + set_work_bit_irqsave(ctx); + s5p_mfc_clean_ctx_int_flags(ctx); + s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); + if (s5p_mfc_wait_for_done_ctx(ctx, + S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) { + /* Error or timeout */ + mfc_err("Error getting instance from hardware\n"); + ret = -EIO; + goto err_free_desc_buf; + } + + mfc_debug(2, "Got instance number: %d\n", ctx->inst_no); + return ret; + +err_free_desc_buf: + if (ctx->type == MFCINST_DECODER) + s5p_mfc_hw_call(dev->mfc_ops, release_dec_desc_buffer, ctx); +err_free_inst_buf: + s5p_mfc_hw_call(dev->mfc_ops, release_instance_buffer, ctx); +err: + return ret; +} + +void s5p_mfc_close_mfc_inst(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx) +{ + ctx->state = MFCINST_RETURN_INST; + set_work_bit_irqsave(ctx); + s5p_mfc_clean_ctx_int_flags(ctx); + s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); + /* Wait until instance is returned or timeout occurred */ + if (s5p_mfc_wait_for_done_ctx(ctx, + S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET, 0)) + mfc_err("Err returning instance\n"); + + /* Free resources */ + s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx); + s5p_mfc_hw_call(dev->mfc_ops, release_instance_buffer, ctx); + if (ctx->type == MFCINST_DECODER) + s5p_mfc_hw_call(dev->mfc_ops, release_dec_desc_buffer, ctx); + + ctx->inst_no = MFC_NO_INSTANCE_SET; + ctx->state = MFCINST_FREE; +} |