diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc.c | 29 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_common.h | 10 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c | 149 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h | 3 |
4 files changed, 94 insertions, 97 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index 3930177..9a679fa 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -793,14 +793,16 @@ static int s5p_mfc_open(struct file *file) goto err_pwr_enable; } s5p_mfc_clock_on(); - ret = s5p_mfc_alloc_and_load_firmware(dev); - if (ret) - goto err_alloc_fw; + ret = s5p_mfc_load_firmware(dev); + if (ret) { + s5p_mfc_clock_off(); + goto err_load_fw; + } /* Init the FW */ ret = s5p_mfc_init_hw(dev); + s5p_mfc_clock_off(); if (ret) goto err_init_hw; - s5p_mfc_clock_off(); } /* Init videobuf2 queue for CAPTURE */ q = &ctx->vq_dst; @@ -849,17 +851,16 @@ static int s5p_mfc_open(struct file *file) return ret; /* Deinit when failure occured */ err_queue_init: + if (dev->num_inst == 1) + s5p_mfc_deinit_hw(dev); err_init_hw: - s5p_mfc_release_firmware(dev); -err_alloc_fw: +err_load_fw: dev->ctx[ctx->num] = NULL; del_timer_sync(&dev->watchdog_timer); - s5p_mfc_clock_off(); err_pwr_enable: if (dev->num_inst == 1) { if (s5p_mfc_power_off() < 0) mfc_err("power off failed\n"); - s5p_mfc_release_firmware(dev); } err_ctrls_setup: s5p_mfc_dec_ctrls_delete(ctx); @@ -917,11 +918,8 @@ static int s5p_mfc_release(struct file *file) clear_bit(0, &dev->hw_lock); dev->num_inst--; if (dev->num_inst == 0) { - mfc_debug(2, "Last instance - release firmware\n"); - /* reset <-> F/W release */ - s5p_mfc_reset(dev); + mfc_debug(2, "Last instance\n"); s5p_mfc_deinit_hw(dev); - s5p_mfc_release_firmware(dev); del_timer_sync(&dev->watchdog_timer); if (s5p_mfc_power_off() < 0) mfc_err("Power off failed\n"); @@ -1149,6 +1147,10 @@ static int s5p_mfc_probe(struct platform_device *pdev) mutex_init(&dev->mfc_mutex); + ret = s5p_mfc_alloc_firmware(dev); + if (ret) + goto err_alloc_fw; + ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); if (ret) goto err_v4l2_dev_reg; @@ -1230,6 +1232,8 @@ err_dec_reg: err_dec_alloc: v4l2_device_unregister(&dev->v4l2_dev); err_v4l2_dev_reg: + s5p_mfc_release_firmware(dev); +err_alloc_fw: vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[1]); err_mem_init_ctx_1: vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[0]); @@ -1255,6 +1259,7 @@ static int __devexit s5p_mfc_remove(struct platform_device *pdev) video_unregister_device(dev->vfd_enc); video_unregister_device(dev->vfd_dec); v4l2_device_unregister(&dev->v4l2_dev); + s5p_mfc_release_firmware(dev); vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[0]); vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[1]); diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h index 3b9b600..0df6454e 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h @@ -278,8 +278,9 @@ struct s5p_mfc_priv_buf { * @int_err: error number for last interrupt * @queue: waitqueue for waiting for completion of device commands * @fw_size: size of firmware - * @bank1: address of the beggining of bank 1 memory - * @bank2: address of the beggining of bank 2 memory + * @fw_virt_addr: virtual firmware address + * @bank1: address of the beginning of bank 1 memory + * @bank2: address of the beginning of bank 2 memory * @hw_lock: used for hardware locking * @ctx: array of driver contexts * @curr_ctx: number of the currently running context @@ -318,8 +319,9 @@ struct s5p_mfc_dev { unsigned int int_err; wait_queue_head_t queue; size_t fw_size; - size_t bank1; - size_t bank2; + void *fw_virt_addr; + dma_addr_t bank1; + dma_addr_t bank2; unsigned long hw_lock; struct s5p_mfc_ctx *ctx[MFC_NUM_CONTEXTS]; int curr_ctx; diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c index 585b7b0e..1682271 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c @@ -22,16 +22,64 @@ #include "s5p_mfc_opr.h" #include "s5p_mfc_pm.h" -static void *s5p_mfc_bitproc_buf; -static size_t s5p_mfc_bitproc_phys; -static unsigned char *s5p_mfc_bitproc_virt; +/* Allocate memory for firmware */ +int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev) +{ + void *bank2_virt; + dma_addr_t bank2_dma_addr; + + dev->fw_size = dev->variant->buf_size->fw; + + if (dev->fw_virt_addr) { + mfc_err("Attempting to allocate firmware when it seems that it is already loaded\n"); + return -ENOMEM; + } + + dev->fw_virt_addr = dma_alloc_coherent(dev->mem_dev_l, dev->fw_size, + &dev->bank1, GFP_KERNEL); + + if (IS_ERR(dev->fw_virt_addr)) { + dev->fw_virt_addr = NULL; + mfc_err("Allocating bitprocessor buffer failed\n"); + 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); + + if (IS_ERR(dev->fw_virt_addr)) { + mfc_err("Allocating bank2 base failed\n"); + dma_free_coherent(dev->mem_dev_l, dev->fw_size, + dev->fw_virt_addr, dev->bank1); + dev->fw_virt_addr = NULL; + return -ENOMEM; + } + + /* Valid buffers passed to MFC encoder with LAST_FRAME command + * should not have address of bank2 - MFC will treat it as a null frame. + * To avoid such situation we set bank2 address below the pool address. + */ + dev->bank2 = bank2_dma_addr - (1 << MFC_BASE_ALIGN_ORDER); + + dma_free_coherent(dev->mem_dev_r, 1 << MFC_BASE_ALIGN_ORDER, + bank2_virt, bank2_dma_addr); + + } 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 + * impossible having a video frame buffer with zero address. */ + dev->bank2 = dev->bank1; + } + return 0; +} -/* Allocate and load firmware */ -int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev) +/* Load firmware */ +int s5p_mfc_load_firmware(struct s5p_mfc_dev *dev) { struct firmware *fw_blob; - size_t bank2_base_phys; - void *b_base; int err; /* Firmare has to be present as a separate file or compiled @@ -44,77 +92,17 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev) mfc_err("Firmware is not present in the /lib/firmware directory nor compiled in kernel\n"); return -EINVAL; } - dev->fw_size = dev->variant->buf_size->fw; if (fw_blob->size > dev->fw_size) { mfc_err("MFC firmware is too big to be loaded\n"); release_firmware(fw_blob); return -ENOMEM; } - if (s5p_mfc_bitproc_buf) { - mfc_err("Attempting to allocate firmware when it seems that it is already loaded\n"); - release_firmware(fw_blob); - return -ENOMEM; - } - s5p_mfc_bitproc_buf = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], dev->fw_size); - if (IS_ERR(s5p_mfc_bitproc_buf)) { - s5p_mfc_bitproc_buf = NULL; - mfc_err("Allocating bitprocessor buffer failed\n"); + if (!dev->fw_virt_addr) { + mfc_err("MFC firmware is not allocated\n"); release_firmware(fw_blob); - return -ENOMEM; - } - s5p_mfc_bitproc_phys = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], s5p_mfc_bitproc_buf); - if (s5p_mfc_bitproc_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) { - mfc_err("The base memory for bank 1 is not aligned to 128KB\n"); - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; - release_firmware(fw_blob); - return -EIO; - } - s5p_mfc_bitproc_virt = vb2_dma_contig_memops.vaddr(s5p_mfc_bitproc_buf); - if (!s5p_mfc_bitproc_virt) { - mfc_err("Bitprocessor memory remap failed\n"); - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; - release_firmware(fw_blob); - return -EIO; - } - dev->bank1 = s5p_mfc_bitproc_phys; - if (HAS_PORTNUM(dev) && IS_TWOPORT(dev)) { - b_base = vb2_dma_contig_memops.alloc( - dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], - 1 << MFC_BASE_ALIGN_ORDER); - if (IS_ERR(b_base)) { - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; - mfc_err("Allocating bank2 base failed\n"); - release_firmware(fw_blob); - return -ENOMEM; - } - bank2_base_phys = s5p_mfc_mem_cookie( - dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], b_base); - vb2_dma_contig_memops.put(b_base); - if (bank2_base_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) { - mfc_err("The base memory for bank 2 is not aligned to 128KB\n"); - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; - release_firmware(fw_blob); - return -EIO; - } - /* Valid buffers passed to MFC encoder with LAST_FRAME command - * should not have address of bank2 - MFC will treat it as a null frame. - * To avoid such situation we set bank2 address below the pool address. - */ - dev->bank2 = bank2_base_phys - (1 << MFC_BASE_ALIGN_ORDER); - } else { - dev->bank2 = dev->bank1; + return -EINVAL; } - memcpy(s5p_mfc_bitproc_virt, fw_blob->data, fw_blob->size); + memcpy(dev->fw_virt_addr, fw_blob->data, fw_blob->size); wmb(); release_firmware(fw_blob); mfc_debug_leave(); @@ -142,12 +130,12 @@ int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev) release_firmware(fw_blob); return -ENOMEM; } - if (s5p_mfc_bitproc_buf == NULL || s5p_mfc_bitproc_phys == 0) { - mfc_err("MFC firmware is not allocated or was not mapped correctly\n"); + if (dev->fw_virt_addr) { + mfc_err("MFC firmware is not allocated\n"); release_firmware(fw_blob); return -EINVAL; } - memcpy(s5p_mfc_bitproc_virt, fw_blob->data, fw_blob->size); + memcpy(dev->fw_virt_addr, fw_blob->data, fw_blob->size); wmb(); release_firmware(fw_blob); mfc_debug_leave(); @@ -159,12 +147,11 @@ int s5p_mfc_release_firmware(struct s5p_mfc_dev *dev) { /* Before calling this function one has to make sure * that MFC is no longer processing */ - if (!s5p_mfc_bitproc_buf) + if (!dev->fw_virt_addr) return -EINVAL; - vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf); - s5p_mfc_bitproc_virt = NULL; - s5p_mfc_bitproc_phys = 0; - s5p_mfc_bitproc_buf = NULL; + dma_free_coherent(dev->mem_dev_l, dev->fw_size, dev->fw_virt_addr, + dev->bank1); + dev->fw_virt_addr = NULL; return 0; } @@ -257,8 +244,10 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev) int ret; mfc_debug_enter(); - if (!s5p_mfc_bitproc_buf) + if (!dev->fw_virt_addr) { + mfc_err("Firmware memory is not allocated.\n"); return -EINVAL; + } /* 0. MFC reset */ mfc_debug(2, "MFC reset..\n"); diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h index 90aa9b9..6a9b6f8 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h @@ -16,7 +16,8 @@ #include "s5p_mfc_common.h" int s5p_mfc_release_firmware(struct s5p_mfc_dev *dev); -int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev); +int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev); +int s5p_mfc_load_firmware(struct s5p_mfc_dev *dev); int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev); int s5p_mfc_init_hw(struct s5p_mfc_dev *dev); |