Multi Format Codec 5.1 is a module available on S5PC110 and S5PC210 Samsung SoCs. Hardware is capable of handling a range of video codecs and this driver provides V4L2 interface for video decoding. Signed-off-by: Kamil Debski <k.debski@xxxxxxxxxxx> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> --- drivers/media/video/Kconfig | 8 + drivers/media/video/Makefile | 1 + drivers/media/video/s5p-mfc/Makefile | 3 + drivers/media/video/s5p-mfc/regs-mfc5.h | 304 ++++ drivers/media/video/s5p-mfc/s5p_mfc.c | 1948 ++++++++++++++++++++++++++ drivers/media/video/s5p-mfc/s5p_mfc_common.h | 190 +++ drivers/media/video/s5p-mfc/s5p_mfc_ctrls.h | 173 +++ drivers/media/video/s5p-mfc/s5p_mfc_debug.h | 44 + drivers/media/video/s5p-mfc/s5p_mfc_intr.c | 88 ++ drivers/media/video/s5p-mfc/s5p_mfc_intr.h | 26 + drivers/media/video/s5p-mfc/s5p_mfc_memory.h | 32 + drivers/media/video/s5p-mfc/s5p_mfc_opr.c | 836 +++++++++++ drivers/media/video/s5p-mfc/s5p_mfc_opr.h | 90 ++ 13 files changed, 3743 insertions(+), 0 deletions(-) create mode 100644 drivers/media/video/s5p-mfc/Makefile create mode 100644 drivers/media/video/s5p-mfc/regs-mfc5.h create mode 100644 drivers/media/video/s5p-mfc/s5p_mfc.c create mode 100644 drivers/media/video/s5p-mfc/s5p_mfc_common.h create mode 100644 drivers/media/video/s5p-mfc/s5p_mfc_ctrls.h create mode 100644 drivers/media/video/s5p-mfc/s5p_mfc_debug.h create mode 100644 drivers/media/video/s5p-mfc/s5p_mfc_intr.c create mode 100644 drivers/media/video/s5p-mfc/s5p_mfc_intr.h create mode 100644 drivers/media/video/s5p-mfc/s5p_mfc_memory.h create mode 100644 drivers/media/video/s5p-mfc/s5p_mfc_opr.c create mode 100644 drivers/media/video/s5p-mfc/s5p_mfc_opr.h diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 6d0bd36..e141cab 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -1047,4 +1047,12 @@ config VIDEO_SAMSUNG_S5P_FIMC This is a v4l2 driver for the S5P camera interface (video postprocessor) +config VIDEO_SAMSUNG_S5P_MFC + tristate "Samsung S5P MFC 5.1 Video Codec" + depends on VIDEO_V4L2 && CMA + select VIDEOBUF2_CMA + default n + help + MFC 5.1 driver for V4L2. + endif # V4L_MEM2MEM_DRIVERS diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 4146700..117a3cb 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -178,6 +178,7 @@ obj-$(CONFIG_VIDEO_PXA27x) += pxa_camera.o obj-$(CONFIG_VIDEO_SH_MOBILE_CSI2) += sh_mobile_csi2.o obj-$(CONFIG_VIDEO_SH_MOBILE_CEU) += sh_mobile_ceu_camera.o obj-$(CONFIG_VIDEO_SAMSUNG_S5P_FIMC) += s5p-fimc/ +obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC) += s5p-mfc/ obj-$(CONFIG_ARCH_DAVINCI) += davinci/ diff --git a/drivers/media/video/s5p-mfc/Makefile b/drivers/media/video/s5p-mfc/Makefile new file mode 100644 index 0000000..69b6294 --- /dev/null +++ b/drivers/media/video/s5p-mfc/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC) := s5p-mfc.o +s5p-mfc-y := s5p_mfc.o s5p_mfc_intr.o s5p_mfc_opr.o + diff --git a/drivers/media/video/s5p-mfc/regs-mfc5.h b/drivers/media/video/s5p-mfc/regs-mfc5.h new file mode 100644 index 0000000..9973ae1 --- /dev/null +++ b/drivers/media/video/s5p-mfc/regs-mfc5.h @@ -0,0 +1,304 @@ +/* + * + * Register definition file for Samsung MFC V5.1 Interface (FIMV) driver + * + * Kamil Debski, Copyright (c) 2010 Samsung Electronics + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef _REGS_FIMV_H +#define _REGS_FIMV_H + +#define S5P_FIMV_REG_SIZE (S5P_FIMV_END_ADDR - S5P_FIMV_START_ADDR) +#define S5P_FIMV_REG_COUNT ((S5P_FIMV_END_ADDR - S5P_FIMV_START_ADDR) / 4) + +#define S5P_FIMV_START_ADDR 0x0000 +#define S5P_FIMV_END_ADDR 0xe008 + +#define S5P_FIMV_SW_RESET 0x0000 +#define S5P_FIMV_RISC_HOST_INT 0x0008 +/* Command from HOST to RISC */ +#define S5P_FIMV_HOST2RISC_CMD 0x0030 +#define S5P_FIMV_HOST2RISC_ARG1 0x0034 +#define S5P_FIMV_HOST2RISC_ARG2 0x0038 +#define S5P_FIMV_HOST2RISC_ARG3 0x003c +#define S5P_FIMV_HOST2RISC_ARG4 0x0040 +/* Command from RISC to HOST */ +#define S5P_FIMV_RISC2HOST_CMD 0x0044 +#define S5P_FIMV_RISC2HOST_ARG1 0x0048 +#define S5P_FIMV_RISC2HOST_ARG2 0x004c +#define S5P_FIMV_RISC2HOST_ARG3 0x0050 +#define S5P_FIMV_RISC2HOST_ARG4 0x0054 + +#define S5P_FIMV_FW_VERSION 0x0058 +#define S5P_FIMV_SYS_MEM_SZ 0x005c +#define S5P_FIMV_FW_STATUS 0x0080 +/* Memory controller register */ +#define S5P_FIMV_MC_DRAMBASE_ADR_A 0x0508 +#define S5P_FIMV_MC_DRAMBASE_ADR_B 0x050c +#define S5P_FIMV_MC_STATUS 0x0510 + +/* Common register */ +#define S5P_FIMV_SYS_MEM_ADR 0x0600 /* firmware buffer */ +#define S5P_FIMV_CPB_BUF_ADR 0x0604 /* stream buffer */ +#define S5P_FIMV_DESC_BUF_ADR 0x0608 /* descriptor buffer */ +/* H264 decoding */ +#define S5P_FIMV_VERT_NB_MV_ADR 0x068c /* vertical neighbor motion vector */ +#define S5P_FIMV_VERT_NB_IP_ADR 0x0690 /* neighbor pixels for intra pred */ +#define S5P_FIMV_H264_LUMA_ADR 0x0700 /* Luma0 ~ Luma18 700 */ +#define S5P_FIMV_H264_CHROMA_ADR 0x0600 /* Chroma0 ~ Chroma18 614 */ +#define S5P_FIMV_MV_ADR 0x0780 /* H264 motion vector 660 780 */ +/* H263/MPEG4/MPEG2/VC-1/ decoding */ +#define S5P_FIMV_NB_DCAC_ADR 0x068c /* neighbor AC/DC coeff. buffer */ +#define S5P_FIMV_UP_NB_MV_ADR 0x0690 /* upper neighbor motion vector buffer */ +#define S5P_FIMV_SA_MV_ADR 0x0694 /* subseq. anchor motion vector buffer */ +#define S5P_FIMV_OT_LINE_ADR 0x0698 /* overlap transform line buffer */ +#define S5P_FIMV_BITPLANE3_ADR 0x069C /* bitplane3 addr */ +#define S5P_FIMV_BITPLANE2_ADR 0x06A0 /* bitplane2 addr */ +#define S5P_FIMV_BITPLANE1_ADR 0x06A4 /* bitplane1 addr */ +#define S5P_FIMV_SP_ADR 0x06A8 /* syntax parser addr */ +#define S5P_FIMV_LUMA_ADR 0x0700 /* Luma0 ~ Luma5 */ +#define S5P_FIMV_CHROMA_ADR 0x0600 /* Chroma0 ~ Chroma5 */ +/* Encoder register */ +#define S5P_FIMV_ENC_UP_MV_ADR 0x0600 /* upper motion vector addr */ +#define S5P_FIMV_ENC_COZERO_FLAG_ADR 0x0610 /* direct cozero flag addr */ +#define S5P_FIMV_ENC_UP_INTRA_MD_ADR 0x0608 /* upper intra MD addr */ +#define S5P_FIMV_ENC_UP_INTRA_PRED_ADR 0x0740 /* upper intra PRED addr */ +#define S5P_FIMV_ENC_NB_DCAC_ADR 0x0604 /* entropy engine's neighbor + inform and AC/DC coeff. */ + +#define S5P_FIMV_ENC_CUR_LUMA_ADR 0x0718 /* current Luma addr */ +#define S5P_FIMV_ENC_CUR_CHROMA_ADR 0x071C /* current Chroma addr */ + +#define S5P_FIMV_ENC_REF0_LUMA_ADR 0x061c /* ref0 Luma addr */ +#define S5P_FIMV_ENC_REF0_CHROMA_ADR 0x0700 /* ref0 Chroma addr */ +#define S5P_FIMV_ENC_REF1_LUMA_ADR 0x0620 /* ref1 Luma addr */ +#define S5P_FIMV_ENC_REF1_CHROMA_ADR 0x0704 /* ref1 Chroma addr */ +#define S5P_FIMV_ENC_REF2_LUMA_ADR 0x0710 /* ref2 Luma addr */ +#define S5P_FIMV_ENC_REF2_CHROMA_ADR 0x0708 /* ref2 Chroma addr */ +#define S5P_FIMV_ENC_REF3_LUMA_ADR 0x0714 /* ref3 Luma addr */ +#define S5P_FIMV_ENC_REF3_CHROMA_ADR 0x070c /* ref3 Chroma addr */ + +/* Codec common register */ +#define S5P_FIMV_ENC_HSIZE_PX 0x0818 /* frame width at encoder */ +#define S5P_FIMV_ENC_VSIZE_PX 0x081c /* frame height at encoder */ +#define S5P_FIMV_ENC_PROFILE 0x0830 /* profile register */ +#define S5P_FIMV_ENC_PIC_STRUCT 0x083c /* picture field/frame flag */ +#define S5P_FIMV_ENC_LF_CTRL 0x0848 /* loop filter control */ +#define S5P_FIMV_ENC_ALPHA_OFF 0x084c /* loop filter alpha offset */ +#define S5P_FIMV_ENC_BETA_OFF 0x0850 /* loop filter beta offset */ +#define S5P_FIMV_MR_BUSIF_CTRL 0x0854 /* hidden, bus interface ctrl */ +#define S5P_FIMV_ENC_PXL_CACHE_CTRL 0x0a00 /* pixel cache control */ + +/* Channel & stream interface register */ +#define S5P_FIMV_SI_RTN_CHID 0x2000 /* Return CH instance ID register */ +#define S5P_FIMV_SI_CH0_INST_ID 0x2040 /* codec instance ID */ +#define S5P_FIMV_SI_CH1_INST_ID 0x2080 /* codec instance ID */ +/* Decoder */ +#define S5P_FIMV_SI_VRESOL 0x2004 /* vertical resolution of decoder */ +#define S5P_FIMV_SI_HRESOL 0x2008 /* horizontal resolution of decoder */ +#define S5P_FIMV_SI_BUF_NUMBER 0x200c /* number of frames in the decoded pic */ +#define S5P_FIMV_SI_DISPLAY_Y_ADR 0x2010 /* luma address of displayed pic */ +#define S5P_FIMV_SI_DISPLAY_C_ADR 0x2014 /* chroma address of displayed pic */ +#define S5P_FIMV_SI_CONSUMED_BYTES 0x2018 /* Consumed number of bytes to decode + a frame */ +#define S5P_FIMV_SI_DISPLAY_STATUS 0x201c /* status of decoded picture */ +#define S5P_FIMV_SI_FRAME_TYPE 0x2020 /* frame type such as skip/I/P/B */ + +#define S5P_FIMV_SI_CH0_SB_ST_ADR 0x2044 /* start addr of stream buf */ +#define S5P_FIMV_SI_CH0_SB_FRM_SIZE 0x2048 /* size of stream buf */ +#define S5P_FIMV_SI_CH0_DESC_ADR 0x204c /* addr of descriptor buf */ +#define S5P_FIMV_SI_CH0_CPB_SIZE 0x2058 /* max size of coded pic. buf */ +#define S5P_FIMV_SI_CH0_DESC_SIZE 0x205c /* max size of descriptor buf */ + +#define S5P_FIMV_SI_CH1_SB_ST_ADR 0x2084 /* start addr of stream buf */ +#define S5P_FIMV_SI_CH1_SB_FRM_SIZE 0x2088 /* size of stream buf */ +#define S5P_FIMV_SI_CH1_DESC_ADR 0x208c /* addr of descriptor buf */ +#define S5P_FIMV_SI_CH1_CPB_SIZE 0x2098 /* max size of coded pic. buf */ +#define S5P_FIMV_SI_CH1_DESC_SIZE 0x209c /* max size of descriptor buf */ + +#define S5P_FIMV_SI_DIVX311_HRESOL 0x2054 /* horizontal resolution */ +#define S5P_FIMV_SI_DIVX311_VRESOL 0x2050 /* vertical resolution */ +#define S5P_FIMV_CRC_LUMA0 0x2030 /* luma crc data per frame(top field)*/ +#define S5P_FIMV_CRC_CHROMA0 0x2034 /* chroma crc data per frame(top field)*/ +#define S5P_FIMV_CRC_LUMA1 0x2038 /* luma crc data per bottom field */ +#define S5P_FIMV_CRC_CHROMA1 0x203c /* chroma crc data per bottom field */ + +/* Display status */ +#define S5P_FIMV_DEC_STATUS_DECODING_ONLY 0 +#define S5P_FIMV_DEC_STATUS_DECODING_DISPLAY 1 +#define S5P_FIMV_DEC_STATUS_DISPLAY_ONLY 2 +#define S5P_FIMV_DEC_STATUS_DECODING_EMPTY 3 +#define S5P_FIMV_DEC_STATUS_DECODING_STATUS_MASK 7 +#define S5P_FIMV_DEC_STATUS_PROGRESSIVE (0<<3) +#define S5P_FIMV_DEC_STATUS_INTERLACE (1<<3) +#define S5P_FIMV_DEC_STATUS_INTERLACE_MASK (1<<3) +#define S5P_FIMV_DEC_STATUS_CRC_NUMBER_TWO (0<<4) +#define S5P_FIMV_DEC_STATUS_CRC_NUMBER_FOUR (1<<4) +#define S5P_FIMV_DEC_STATUS_CRC_NUMBER_MASK (1<<4) +#define S5P_FIMV_DEC_STATUS_CRC_GENERATED (1<<5) +#define S5P_FIMV_DEC_STATUS_CRC_NOT_GENERATED (0<<5) +#define S5P_FIMV_DEC_STATUS_CRC_MASK (1<<5) + +/* Decode frame address */ +#define S5P_FIMV_DECODE_Y_ADR 0x2024 +#define S5P_FIMV_DECODE_C_ADR 0x2028 + +/* Decoded frame tpe */ +#define S5P_FIMV_DECODE_FRAME_TYPE 0x2020 +#define S5P_FIMV_DECODE_FRAME_MASK 7 + +#define S5P_FIMV_DECODE_FRAME_SKIPPED 0 +#define S5P_FIMV_DECODE_FRAME_I_FRAME 1 +#define S5P_FIMV_DECODE_FRAME_P_FRAME 2 +#define S5P_FIMV_DECODE_FRAME_202_FRAME 3 +#define S5P_FIMV_DECODE_FRAME_OTHER_FRAME 4 + +/* Sizes of buffers required for decoding */ +#define S5P_FIMV_DEC_NB_IP_SIZE (32*1024) +#define S5P_FIMV_DEC_VERT_NB_MV_SIZE (16*1024) +#define S5P_FIMV_DEC_NB_DCAC_SIZE (16*1024) +#define S5P_FIMV_DEC_UPNB_MV_SIZE (68*1024) +#define S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE (136*1024) +#define S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE (32*1024) +#define S5P_FIMV_DEC_VC1_BITPLANE_SIZE (2*1024) +#define S5P_FIMV_DEC_STX_PARSER_SIZE (68*1024) + + +/* Encoder */ +#define S5P_FIMV_ENC_SI_STRM_SIZE 0x2004 /* stream size */ +#define S5P_FIMV_ENC_SI_PIC_CNT 0x2008 /* picture count */ +#define S5P_FIMV_ENC_SI_WRITE_PTR 0x200c /* write pointer */ +#define S5P_FIMV_ENC_SI_SLICE_TYPE 0x2010 /* slice type(I/P/B/IDR) */ + +#define S5P_FIMV_ENC_SI_CH0_SB_U_ADR 0x2044 /* addr of upper stream buf */ +#define S5P_FIMV_ENC_SI_CH0_SB_L_ADR 0x2048 /* addr of lower stream buf */ +#define S5P_FIMV_ENC_SI_CH0_SB_SIZE 0x204c /* size of stream buf */ +#define S5P_FIMV_ENC_SI_CH0_CUR_Y_ADR 0x2050 /* current Luma addr */ +#define S5P_FIMV_ENC_SI_CH0_CUR_C_ADR 0x2054 /* current Chroma addr */ +#define S5P_FIMV_ENC_SI_CH0_FRAME_QP 0x2058 /* frame QP */ +#define S5P_FIMV_ENC_SI_CH0_SLICE_ARG 0x205c /* slice argument */ + +#define S5P_FIMV_ENC_SI_CH1_SB_U_ADR 0x2084 /* addr of upper stream buf */ +#define S5P_FIMV_ENC_SI_CH1_SB_L_ADR 0x2088 /* addr of lower stream buf */ +#define S5P_FIMV_ENC_SI_CH1_SB_SIZE 0x208c /* size of stream buf */ +#define S5P_FIMV_ENC_SI_CH1_CUR_Y_ADR 0x2090 /* current Luma addr */ +#define S5P_FIMV_ENC_SI_CH1_CUR_C_ADR 0x2094 /* current Chroma addr */ +#define S5P_FIMV_ENC_SI_CH1_FRAME_QP 0x2098 /* frame QP */ +#define S5P_FIMV_ENC_SI_CH1_SLICE_ARG 0x209c /* slice argument */ + +#define S5P_FIMV_ENC_STR_BF_U_FULL 0xc004 /* upper stream buf full */ +#define S5P_FIMV_ENC_STR_BF_U_EMPTY 0xc008 /* upper stream buf empty */ +#define S5P_FIMV_ENC_STR_BF_L_FULL 0xc00c /* lower stream buf full */ +#define S5P_FIMV_ENC_STR_BF_L_EMPTY 0xc010 /* lower stream buf empty */ +#define S5P_FIMV_ENC_STR_STATUS 0xc018 /* stream buf interrupt status */ +#define S5P_FIMV_ENC_SF_EPB_ON_CTRL 0xc054 /* stream control */ +#define S5P_FIMV_ENC_SF_BUF_CTRL 0xc058 /* buffer control */ +#define S5P_FIMV_ENC_BF_MODE_CTRL 0xc05c /* fifo level control */ + +#define S5P_FIMV_ENC_PIC_TYPE_CTRL 0xc504 /* pic type level control */ +#define S5P_FIMV_ENC_B_RECON_WRITE_ON 0xc508 /* B frame recon write ctrl */ +#define S5P_FIMV_ENC_MSLICE_CTRL 0xc50c /* multi slice control */ +#define S5P_FIMV_ENC_MSLICE_MB 0xc510 /* MB number in the one slice */ +#define S5P_FIMV_ENC_MSLICE_BYTE 0xc514 /* byte number for one slice */ +#define S5P_FIMV_ENC_CIR_CTRL 0xc518 /* number of intra refresh MB */ +#define S5P_FIMV_ENC_MAP_FOR_CUR 0xc51c /* linear or 64x32 tiled mode */ +#define S5P_FIMV_ENC_PADDING_CTRL 0xc520 /* padding control */ +#define S5P_FIMV_ENC_INT_MASK 0xc528 /* interrupt mask */ + +#define S5P_FIMV_ENC_RC_CONFIG 0xc5a0 /* RC config */ +#define S5P_FIMV_ENC_RC_FRAME_RATE 0xc5a4 /* frame rate */ +#define S5P_FIMV_ENC_RC_BIT_RATE 0xc5a8 /* bit rate */ +#define S5P_FIMV_ENC_RC_QBOUND 0xc5ac /* max/min QP */ +#define S5P_FIMV_ENC_RC_RPARA 0xc5b0 /* rate control reaction coeff */ +#define S5P_FIMV_ENC_RC_MB_CTRL 0xc5b4 /* MB adaptive scaling */ + +/* Encoder for H264 */ +#define S5P_FIMV_ENC_ENTRP_MODE 0xd004 /* CAVLC or CABAC */ +#define S5P_FIMV_ENC_H264_ALPHA_OFF 0xd008 /* loop filter alpha offset */ +#define S5P_FIMV_ENC_H264_BETA_OFF 0xd00c /* loop filter beta offset */ +#define S5P_FIMV_ENC_H264_NUM_OF_REF 0xd010 /* number of reference for P/B */ +#define S5P_FIMV_ENC_H264_MDINTER_WGT 0xd01c /* inter weighted parameter */ +#define S5P_FIMV_ENC_H264_MDINTRA_WGT 0xd020 /* intra weighted parameter */ +#define S5P_FIMV_ENC_H264_TRANS_FLAG 0xd034 /* 8x8 transform flag in PPS & + high profile */ +/* Encoder for MPEG4 */ +#define S5P_FIMV_ENC_MPEG4_QUART_PXL 0xe008 /* qpel interpolation ctrl */ + +/* Additional */ +#define S5P_FIMV_SI_CH0_DPB_CONF_CTRL 0x2068 /* DPB Config Control Register */ +#define S5P_FIMV_SI_CH0_RELEASE_BUF 0x2060 /* DPB release buffer register */ +#define S5P_FIMV_SI_CH0_HOST_WR_ADR 0x2064 /* address of shared memory */ +#define S5P_FIMV_ENC_B_RECON_WRITE_ON 0xc508 /* B frame recon write ctrl */ +#define S5P_FIMV_ENC_REF_B_LUMA_ADR 0x062c /* ref B Luma addr */ +#define S5P_FIMV_ENC_REF_B_CHROMA_ADR 0x0630 /* ref B Chroma addr */ +#define S5P_FIMV_ENCODED_Y_ADDR 0x2014 /* the address of the encoded + luminance picture */ +#define S5P_FIMV_ENCODED_C_ADDR 0x2018 /* the address of the encoded + chrominance picture*/ + +/* Codec numbers */ +#define S5P_FIMV_CODEC_H264_DEC 0 +#define S5P_FIMV_CODEC_VC1_DEC 1 +#define S5P_FIMV_CODEC_MPEG4_DEC 2 +#define S5P_FIMV_CODEC_MPEG2_DEC 3 +#define S5P_FIMV_CODEC_H263_DEC 4 +#define S5P_FIMV_CODEC_VC1RCV_DEC 5 +#define S5P_FIMV_CODEC_DIVX311_DEC 6 +#define S5P_FIMV_CODEC_DIVX412_DEC 7 +#define S5P_FIMV_CODEC_DIVX502_DEC 8 +#define S5P_FIMV_CODEC_DIVX503_DEC 9 + +#define S5P_FIMV_CODEC_H264_ENC 16 +#define S5P_FIMV_CODEC_MPEG4_ENC 17 +#define S5P_FIMV_CODEC_H263_ENC 18 + +/* Channel Control Register */ +#define S5P_FIMV_CH_SEQ_HEADER 1 +#define S5P_FIMV_CH_FRAME_START 2 +#define S5P_FIMV_CH_LAST_FRAME 3 +#define S5P_FIMV_CH_INIT_BUFS 4 +#define S5P_FIMV_CH_FRAME_START_REALLOC 5 + + +/* Host to RISC command */ +#define S5P_FIMV_H2R_CMD_EMPTY 0 +#define S5P_FIMV_H2R_CMD_OPEN_INSTANCE 1 +#define S5P_FIMV_H2R_CMD_CLOSE_INSTANCE 2 +#define S5P_FIMV_H2R_CMD_SYS_INIT 3 + +#define S5P_FIMV_R2H_CMD_EMPTY 0 +#define S5P_FIMV_R2H_CMD_OPEN_INSTANCE_RET 1 +#define S5P_FIMV_R2H_CMD_CLOSE_INSTANCE_RET 2 +#define S5P_FIMV_R2H_CMD_ERROR_RET 3 +#define S5P_FIMV_R2H_CMD_SEQ_DONE_RET 4 +#define S5P_FIMV_R2H_CMD_FRAME_DONE_RET 5 +#define S5P_FIMV_R2H_CMD_SLICE_DONE_RET 6 +#define S5P_FIMV_R2H_CMD_ENC_COMPLETE_RET 7 +#define S5P_FIMV_R2H_CMD_SYS_INIT_RET 8 +#define S5P_FIMV_R2H_CMD_FW_STATUS_RET 9 +#define S5P_FIMV_R2H_CMD_INIT_BUFFERS_RET 15 +#define S5P_FIMV_R2H_CMD_EDFU_INIT_RET 16 +#define S5P_FIMV_R2H_CMD_DECODE_ERR_RET 32 + +/* Error handling defines */ +#define S5P_FIMV_ERR_WARNINGS_START 145 + +/* Shared memory registers' offsets */ + +/* An offset of the start position in the stream when + * the start position is not aligned */ +#define S5P_FIMV_SHARED_CROP_INFO_H 0x0020 +#define S5P_FIMV_SHARED_CROP_INFO_V 0x0024 +#define S5P_FIMV_SHARED_START_BYTE_NUM 0x0018 +#define S5P_FIMV_SHARED_LUMA_DPB_SIZE 0x0064 +#define S5P_FIMV_SHARED_CHROMA_DPB_SIZE 0x0068 +#define S5P_FIMV_SHARED_MV_SIZE 0x006C +#define S5P_FIMV_SHARED_PIC_TIME_TOP 0x0010 +#define S5P_FIMV_SHARED_PIC_TIME_BOTTOM 0x0014 + +#endif /* _REGS_FIMV_H */ diff --git a/drivers/media/video/s5p-mfc/s5p_mfc.c b/drivers/media/video/s5p-mfc/s5p_mfc.c new file mode 100644 index 0000000..0b6150f --- /dev/null +++ b/drivers/media/video/s5p-mfc/s5p_mfc.c @@ -0,0 +1,1948 @@ +/* + * Samsung S5P Multi Format Codec v 5.0 + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * Kamil Debski, <k.debski@xxxxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the + * License, or (at your option) any later version + */ + +#include <linux/io.h> +#include <linux/sched.h> +#include <linux/clk.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/version.h> +#include <linux/workqueue.h> +#include <linux/videodev2.h> +#include <media/videobuf2-cma.h> +#include <media/videobuf2-core.h> +#include "regs-mfc5.h" + +#include "s5p_mfc_opr.h" +#include "s5p_mfc_intr.h" +#include "s5p_mfc_memory.h" +#include "s5p_mfc_ctrls.h" +#include "s5p_mfc_debug.h" + +#define S5P_MFC_NAME "s5p-mfc5" + +/* Offset base used to differentiate between CAPTURE and OUTPUT +* while mmaping */ +#define DST_QUEUE_OFF_BASE (TASK_SIZE / 2) + +int debug = 0; +module_param(debug, int, S_IRUGO | S_IWUSR); + +struct s5p_mfc_dev *dev; +static const char *s5p_mem_types[] = {"b", "a"}; +static unsigned long s5p_mem_alignments[] = {8192, 8192}; + + +/* Function prototypes */ +static void s5p_mfc_try_run(void); + +/* Helper functions for interrupt processing */ +/* Remove from hw execution round robin */ +static inline void clear_work_bit(struct s5p_mfc_ctx *ctx) +{ + spin_lock(&dev->condlock); + clear_bit(ctx->num, &dev->ctx_work_bits); + spin_unlock(&dev->condlock); +} + +/* Wake up context wait_queue */ +static inline void wake_up_ctx(struct s5p_mfc_ctx *ctx, + unsigned int reason, unsigned int err) +{ + ctx->int_cond = 1; + ctx->int_type = reason; + ctx->int_err = err; + wake_up_interruptible(&ctx->queue); +} + +/* Wake up device wait_queue */ +static inline void wake_up_dev(unsigned int reason, unsigned int err) +{ + dev->int_cond = 1; + dev->int_type = reason; + dev->int_err = err; + wake_up_interruptible(&dev->queue); +} + +void s5p_mfc_error_cleanup_queue(struct list_head *lh, + struct vb2_queue *vq) +{ + struct vb2_buffer *b; + int i; + + spin_lock(&dev->irqlock); + while (!list_empty(lh)) { + b = list_entry(lh->next, struct vb2_buffer, drv_entry); + for (i = 0; i < b->num_planes; i++) + vb2_set_plane_payload(b, i, 0); + spin_unlock(&dev->irqlock); + vb2_buffer_done(b, VB2_BUF_STATE_ERROR); + spin_lock(&dev->irqlock); + list_del(&b->drv_entry); + } + spin_unlock(&dev->irqlock); +} + +void s5p_mfc_watchdog(unsigned long arg) +{ + if (test_bit(0, &dev->hw_lock)) + atomic_inc(&dev->watchdog_cnt); + if (atomic_read(&dev->watchdog_cnt) >= MFC_WATCHDOG_CNT) { + /* This means that hw is busy and no interrupts were + * generated by hw for the Nth time of running this + * watchdog timer. This usually means a serious hw + * error. Now it is time to kill all instances and + * reset the MFC. */ + mfc_err("Time out during waiting for HW.\n"); + queue_work(dev->watchdog_workqueue, &dev->watchdog_work); + } + dev->watchdog_timer.expires = jiffies + + msecs_to_jiffies(MFC_WATCHDOG_INTERVAL); + add_timer(&dev->watchdog_timer); +} + +static void s5p_mfc_watchdog_worker(struct work_struct *work) +{ + struct s5p_mfc_ctx *ctx; + int i, ret; + int mutex_locked; + + mfc_err("Driver timeout error handling.\n"); + /* Lock the mutex that protects open and release. + * This is necessary as they may load and unload firmware. */ + mutex_locked = mutex_trylock(dev->mfc_mutex); + if (!mutex_locked) + mfc_err("This is not good. Some instance may be " + "closing/opening.\n"); + clk_disable(dev->clock1); + clk_disable(dev->clock2); + spin_lock(&dev->irqlock); + for (i = 0; i < MFC_NUM_CONTEXTS; i++) { + ctx = dev->ctx[i]; + if (ctx) { + ctx->state = MFCINST_DEC_ERROR; + spin_unlock(&dev->irqlock); + s5p_mfc_error_cleanup_queue(&ctx->dst_queue, + &ctx->vq_dst); + s5p_mfc_error_cleanup_queue(&ctx->src_queue, + &ctx->vq_src); + spin_lock(&dev->irqlock); + clear_work_bit(ctx); + wake_up_ctx(ctx, S5P_FIMV_R2H_CMD_DECODE_ERR_RET, 0); + } + } + clear_bit(0, &dev->hw_lock); + spin_unlock(&dev->irqlock); + /* Double check if there is at least one instance running. + * If no instance is in memory than no firmware should be present */ + if (atomic_read(&dev->num_inst) > 0) { + ret = s5p_mfc_load_firmware(dev); + if (ret != 0) { + mfc_err("Failed to reload FW.\n"); + if (mutex_locked) + mutex_unlock(dev->mfc_mutex); + return; + } + clk_enable(dev->clock1); + clk_enable(dev->clock2); + ret = s5p_mfc_init_hw(dev); + if (ret != 0) { + mfc_err("Failed to reinit FW.\n"); + if (mutex_locked) + mutex_unlock(dev->mfc_mutex); + return; + } + } + if (mutex_locked) + mutex_unlock(dev->mfc_mutex); +} + +/* Check whether a context should be run on hardware */ +int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx) +{ + mfc_debug("s5p_mfc_ctx_ready: src=%d, dst=%d, " + "state=%d\n", ctx->src_queue_cnt, ctx->dst_queue_cnt, ctx->state); + /* Context is to parse header */ + if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_DEC_GOT_INST) + return 1; + /* Context is to decode a frame */ + if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_DEC_RUNNING && + ctx->dst_queue_cnt >= ctx->dpb_count) + return 1; + /* Context is to return last frame */ + if (ctx->state == MFCINST_DEC_FINISHING && + ctx->dst_queue_cnt >= ctx->dpb_count) + return 1; + /* Context is to set buffers */ + if (ctx->src_queue_cnt >= 1 && + ctx->state == MFCINST_DEC_HEAD_PARSED && + ctx->capture_state == QUEUE_BUFS_MMAPED) + return 1; + mfc_debug("s5p_mfc_ctx_ready: ctx is not ready.\n"); + return 0; +} + +/* Query control */ +static struct v4l2_queryctrl *get_ctrl(int id) +{ + int i; + + for (i = 0; i < NUM_CTRLS; ++i) + if (id == s5p_mfc_ctrls[i].id) + return &s5p_mfc_ctrls[i]; + return NULL; +} + +/* Query capabilities of the device */ +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1); + strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1); + cap->bus_info[0] = 0; + cap->version = KERNEL_VERSION(1, 0, 0); + cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT + | V4L2_CAP_STREAMING; + return 0; +} + +/* Enumerate format */ +static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool mplane, bool out) +{ + struct s5p_mfc_fmt *fmt; + int i, j = 0; + + for (i = 0; i < ARRAY_SIZE(formats); ++i) { + if (mplane && formats[i].num_planes == 1) + continue; + else if (!mplane && formats[i].num_planes > 1) + continue; + if (out && formats[i].type != MFC_FMT_RAW) + continue; + else if (!out && formats[i].type != MFC_FMT_DEC) + continue; + + if (j == f->index) + break; + ++j; + } + if (i == ARRAY_SIZE(formats)) + return -EINVAL; + fmt = &formats[i]; + strlcpy(f->description, fmt->name, sizeof(f->description)); + f->pixelformat = fmt->fourcc; + return 0; +} + +static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv, + struct v4l2_fmtdesc *f) +{ + return vidioc_enum_fmt(f, false, false); +} + +static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, + struct v4l2_fmtdesc *f) +{ + return vidioc_enum_fmt(f, true, false); +} + +static int vidioc_enum_fmt_vid_out(struct file *file, void *prov, + struct v4l2_fmtdesc *f) +{ + return vidioc_enum_fmt(f, false, true); +} + +static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov, + struct v4l2_fmtdesc *f) +{ + return vidioc_enum_fmt(f, true, true); +} + +/* Get format */ +static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) +{ + struct s5p_mfc_ctx *ctx = priv; + + mfc_debug("%s++\n", __func__); + mfc_debug("f->type = %d ctx->state = %d\n", f->type, + ctx->state); + if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && + ctx->state == MFCINST_DEC_GOT_INST) { + /* If the MFC is parsing the header, + * so wait until it is finished */ + s5p_mfc_clean_ctx_int_flags(ctx); + s5p_mfc_wait_for_done_ctx(ctx, S5P_FIMV_R2H_CMD_SEQ_DONE_RET, + 1); + } + if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && + ctx->state >= MFCINST_DEC_HEAD_PARSED && + ctx->state < MFCINST_ENC_INIT) { + /* This is run on CAPTURE (deocde output) */ + /* Width and height are set to the dimensions + of the movie, the buffer is bigger and + further processing stages should crop to this + rectangle. */ + f->fmt.pix_mp.width = ctx->buf_width; + f->fmt.pix_mp.height = ctx->buf_height; + f->fmt.pix_mp.field = V4L2_FIELD_NONE; + f->fmt.pix_mp.num_planes = 2; + /* Set pixelformat to the format in which MFC + outputs the decoded frame */ + f->fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT; + f->fmt.pix_mp.plane_fmt[0].bytesperline = ctx->buf_width; + f->fmt.pix_mp.plane_fmt[0].sizeimage = ctx->luma_size; + f->fmt.pix_mp.plane_fmt[1].bytesperline = ctx->buf_width; + f->fmt.pix_mp.plane_fmt[1].sizeimage = ctx->chroma_size; + } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + /* This is run on OUTPUT + The buffer contains compressed image + so width and height have no meaning */ + f->fmt.pix_mp.width = 1; + f->fmt.pix_mp.height = 1; + f->fmt.pix_mp.field = V4L2_FIELD_NONE; + f->fmt.pix_mp.plane_fmt[0].bytesperline = ctx->dec_src_buf_size; + f->fmt.pix_mp.plane_fmt[0].sizeimage = ctx->dec_src_buf_size; + f->fmt.pix_mp.pixelformat = ctx->fmt->fourcc; + f->fmt.pix_mp.num_planes = ctx->fmt->num_planes; + } else { + mfc_err("Format could not be read\n"); + mfc_debug("%s-- with error\n", __func__); + return -EINVAL; + } + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Find selected format description */ +static struct s5p_mfc_fmt *find_format(struct v4l2_format *f) +{ + struct s5p_mfc_fmt *fmt; + unsigned int i; + + for (i = 0; i < NUM_FORMATS; ++i) { + fmt = &formats[i]; + if (fmt->fourcc == f->fmt.pix_mp.pixelformat) + break; + } + if (i == NUM_FORMATS) + return NULL; + return fmt; +} + +/* Try format */ +static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) +{ + struct s5p_mfc_fmt *fmt; + + mfc_debug("Type is %d\n", f->type); + if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + mfc_err("Currently only decoding is " + "supported.\n"); + return -EINVAL; + } + if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + fmt = find_format(f); + if (!fmt) { + mfc_err("Unsupported format.\n"); + return -EINVAL; + } + if (fmt->type != MFC_FMT_DEC) { + mfc_err("\n"); + return -EINVAL; + } + if (f->fmt.pix_mp.plane_fmt[0].sizeimage == 0) { + mfc_err("Application is required to " + "specify input buffer size (via sizeimage)\n"); + return -EINVAL; + } + /* As this buffer will contain compressed data, the size is set + * to the maximum size. + * Width and height are left intact as they may be relevant for + * DivX 3.11 decoding. */ + f->fmt.pix_mp.plane_fmt[0].bytesperline = + f->fmt.pix_mp.plane_fmt[0].sizeimage; + } + return 0; +} + +/* Set format */ +static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) +{ + struct s5p_mfc_ctx *ctx = priv; + unsigned long flags; + int ret = 0; + struct s5p_mfc_fmt *fmt; + + mfc_debug("%s++\n", __func__); + ret = vidioc_try_fmt(file, priv, f); + if (ret) + return ret; + mutex_lock(&ctx->vq_src.vb_lock); + mutex_lock(&ctx->vq_dst.vb_lock); + if (ctx->vq_src.streaming || ctx->vq_dst.streaming) { + v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__); + ret = -EBUSY; + goto out; + } + if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + fmt = find_format(f); + if (!fmt || fmt->codec_mode == MFC_FORMATS_NO_CODEC) { + mfc_err("Unknown codec.\n"); + ret = -EINVAL; + goto out; + } + if (fmt->type != MFC_FMT_DEC) { + mfc_err("Wrong format selected, you " + "should choose format for decoding.\n"); + ret = -EINVAL; + goto out; + } + ctx->fmt = fmt; + ctx->codec_mode = fmt->codec_mode; + mfc_debug("The codec number is: %d\n", + ctx->codec_mode); + ctx->pix_format = f->fmt.pix_mp.pixelformat; + if (f->fmt.pix_mp.pixelformat != V4L2_PIX_FMT_DIVX3) { + f->fmt.pix_mp.height = 1; + f->fmt.pix_mp.width = 1; + } else { + ctx->img_height = f->fmt.pix_mp.height; + ctx->img_width = f->fmt.pix_mp.width; + } + mfc_debug("s_fmt w/h: %dx%d, ctx: %dx%d\n", + f->fmt.pix_mp.width, f->fmt.pix_mp.height, + ctx->img_width, ctx->img_height); + ctx->dec_src_buf_size = f->fmt.pix_mp.plane_fmt[0].sizeimage; + f->fmt.pix_mp.plane_fmt[0].bytesperline = 0; + ctx->state = MFCINST_DEC_INIT; + ctx->dec_dst_buf_cnt = 0; + ctx->capture_state = QUEUE_FREE; + ctx->output_state = QUEUE_FREE; + s5p_mfc_alloc_instance_buffer(ctx); + s5p_mfc_alloc_dec_temp_buffers(ctx); + spin_lock_irqsave(&dev->condlock, flags); + set_bit(ctx->num, &dev->ctx_work_bits); + spin_unlock_irqrestore(&dev->condlock, flags); + s5p_mfc_clean_ctx_int_flags(ctx); + s5p_mfc_try_run(); + if (s5p_mfc_wait_for_done_ctx(ctx, + S5P_FIMV_R2H_CMD_OPEN_INSTANCE_RET, 1)) { + /* Error or timeout */ + mfc_err("Error getting instance from" + " hardware.\n"); + s5p_mfc_release_instance_buffer(ctx); + s5p_mfc_release_dec_buffers(ctx); + ret = -EAGAIN; + goto out; + } + mfc_debug("Got instance number: %d\n", + ctx->inst_no); + } + if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + mfc_err("Currently only decoding is " + "supported.\n"); + ret = -EINVAL; + } +out: + mutex_unlock(&ctx->vq_dst.vb_lock); + mutex_unlock(&ctx->vq_src.vb_lock); + mfc_debug("%s--\n", __func__); + return ret; +} + +/* Reqeust buffers */ +static int vidioc_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *reqbufs) +{ + struct s5p_mfc_ctx *ctx = priv; + int ret = 0; + + mfc_debug("%s++\n", __func__); + mfc_debug("Memory type: %d\n", reqbufs->memory); + if (reqbufs->memory != V4L2_MEMORY_MMAP) { + mfc_err("Only V4L2_MEMORY_MAP is supported." + "\n"); + return -EINVAL; + } + if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + /* Can only request buffers after an instance has been opened.*/ + if (ctx->state == MFCINST_DEC_GOT_INST) { + /* Decoding */ + if (ctx->output_state != QUEUE_FREE) { + mfc_err("Bufs have already " + "been requested.\n"); + return -EINVAL; + } + ret = vb2_reqbufs(&ctx->vq_src, reqbufs); + if (ret) { + mfc_err("vb2_reqbufs on " + "output failed.\n"); + return ret; + } + mfc_debug("vb2_reqbufs: %d\n", ret); + ctx->output_state = QUEUE_BUFS_REQUESTED; + } + } + if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + if (ctx->capture_state != QUEUE_FREE) { + mfc_err("Bufs have already been " + "requested.\n"); + return -EINVAL; + } + ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); + if (ret) { + mfc_err("vb2_reqbufs on capture " + "failed.\n"); + return ret; + } + if (reqbufs->count < ctx->dpb_count) { + mfc_err("Not enough buffers " + "allocated.\n"); + reqbufs->count = 0; + ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); + return -ENOMEM; + } + ctx->total_dpb_count = reqbufs->count; + ret = s5p_mfc_alloc_dec_buffers(ctx); + if (ret) { + mfc_err("Failed to allocate decoding" + " buffers.\n"); + reqbufs->count = 0; + ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); + return -ENOMEM; + } + ctx->capture_state = QUEUE_BUFS_REQUESTED; + } + mfc_debug("%s--\n", __func__); + return ret; +} + +/* Query buffer */ +static int vidioc_querybuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct s5p_mfc_ctx *ctx = priv; + int ret; + int i; + + mfc_debug("%s++\n", __func__); + if (buf->memory != V4L2_MEMORY_MMAP) { + mfc_err("Only mmaped buffers can be " + "used.\n"); + return -EINVAL; + } + mfc_debug("State: %d, buf->type: %d\n", ctx->state, + buf->type); + if (ctx->state == MFCINST_DEC_GOT_INST && + buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + ret = vb2_querybuf(&ctx->vq_src, buf); + } else if (ctx->state == MFCINST_DEC_HEAD_PARSED && + buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + ret = vb2_querybuf(&ctx->vq_dst, buf); + for (i = 0; i < buf->length; i++) + buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE; + } else { + mfc_err("vidioc_querybuf called in an " + "inappropriate state.\n"); + ret = -EINVAL; + } + mfc_debug("%s--\n", __func__); + return ret; +} + +/* Queue a buffer */ +static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) +{ + struct s5p_mfc_ctx *ctx = priv; + + mfc_debug("%s++\n", __func__); + mfc_debug("Enqueued buf: %d (type = %d)\n", buf->index, + buf->type); + if (ctx->state == MFCINST_DEC_ERROR) { + mfc_err("Call on QBUF after unrecoverable " + "error.\n"); + return -EIO; + } + if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return vb2_qbuf(&ctx->vq_src, buf); + else + return vb2_qbuf(&ctx->vq_dst, buf); + mfc_debug("%s--\n", __func__); + return -EINVAL; +} + +/* Dequeue a buffer */ +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) +{ + struct s5p_mfc_ctx *ctx = priv; + int ret; + + mfc_debug("%s++\n", __func__); + mfc_debug("Addr: %p %p %p Type: %d\n", &ctx->vq_src, + buf, buf->m.planes, buf->type); + if (ctx->state == MFCINST_DEC_ERROR) { + mfc_err("Call on DQBUF after unrecoverable " + "error.\n"); + return -EIO; + } + if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + ret = vb2_dqbuf(&ctx->vq_src, buf, + file->f_flags & O_NONBLOCK); + } else { + ret = vb2_dqbuf(&ctx->vq_dst, buf, + file->f_flags & O_NONBLOCK); + } + mfc_debug("%s--\n", __func__); + return ret; +} + +/* Stream on */ +static int vidioc_streamon(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct s5p_mfc_ctx *ctx = priv; + int ret = -EINVAL; + unsigned long flags; + + mfc_debug("%s++\n", __func__); + if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + ret = vb2_streamon(&ctx->vq_src, type); + else + ret = vb2_streamon(&ctx->vq_dst, type); + mfc_debug("ctx->src_queue_cnt = %d ctx->state = %d " + "ctx->dst_queue_cnt = %d ctx->dpb_count = %d\n", + ctx->src_queue_cnt, ctx->state, ctx->dst_queue_cnt, + ctx->dpb_count); + /* If context is ready then schedule it to run */ + if (s5p_mfc_ctx_ready(ctx)) { + spin_lock_irqsave(&dev->condlock, flags); + set_bit(ctx->num, &dev->ctx_work_bits); + spin_unlock_irqrestore(&dev->condlock, flags); + } + s5p_mfc_try_run(); + mfc_debug("%s--\n", __func__); + return ret; +} + +/* Stream off, which equals to a pause */ +static int vidioc_streamoff(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct s5p_mfc_ctx *ctx = priv; + int ret; + + mfc_debug("%s++\n", __func__); + ret = -EINVAL; + if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + ret = vb2_streamoff(&ctx->vq_src, type); + else + ret = vb2_streamoff(&ctx->vq_dst, type); + mfc_debug("%s--\n", __func__); + return ret; +} + +/* Query a ctrl */ +static int vidioc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *qc) +{ + struct v4l2_queryctrl *c; + + c = get_ctrl(qc->id); + if (!c) + return -EINVAL; + *qc = *c; + return 0; +} + +/* Get ctrl */ +static int vidioc_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct s5p_mfc_ctx *ctx = priv; + + mfc_debug("%s++\n", __func__); + switch (ctrl->id) { + case V4L2_CID_CODEC_LOOP_FILTER_MPEG4_ENABLE: + ctrl->value = ctx->loop_filter_mpeg4; + break; + case V4L2_CID_CODEC_DISPLAY_DELAY: + ctrl->value = ctx->display_delay; + break; + case V4L2_CID_CODEC_REQ_NUM_BUFS: + if (ctx->state >= MFCINST_DEC_HEAD_PARSED && + ctx->state < MFCINST_ENC_INIT) { + ctrl->value = ctx->dpb_count; + } else if (ctx->state == MFCINST_DEC_INIT) { + /* Should wait for the header to be parsed */ + s5p_mfc_clean_ctx_int_flags(ctx); + s5p_mfc_wait_for_done_ctx(ctx, + S5P_FIMV_R2H_CMD_SEQ_DONE_RET, 1); + if (ctx->state >= MFCINST_DEC_HEAD_PARSED && + ctx->state < MFCINST_ENC_INIT) { + ctrl->value = ctx->dpb_count; + } else { + v4l2_err(&dev->v4l2_dev, + "Decoding not initialised.\n"); + return -EINVAL; + } + } else { + v4l2_err(&dev->v4l2_dev, + "Decoding not initialised.\n"); + return -EINVAL; + } + break; + case V4L2_CID_CODEC_SLICE_INTERFACE: + ctrl->value = ctx->slice_interface; + break; + default: + v4l2_err(&dev->v4l2_dev, "Invalid control\n"); + return -EINVAL; + } + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Check whether a ctrl value if correct */ +static int check_ctrl_val(struct s5p_mfc_ctx *ctx, struct v4l2_control *ctrl) +{ + struct v4l2_queryctrl *c; + + c = get_ctrl(ctrl->id); + if (!c) + return -EINVAL; + if (ctrl->value < c->minimum || ctrl->value > c->maximum + || (c->step != 0 && ctrl->value % c->step != 0)) { + v4l2_err(&dev->v4l2_dev, "Invalid control value\n"); + return -ERANGE; + } + return 0; +} + +/* Set a ctrl */ +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct s5p_mfc_ctx *ctx = priv; + int ret = 0; + int stream_on; + + mfc_debug("%s++\n", __func__); + stream_on = ctx->vq_src.streaming || ctx->vq_dst.streaming; + ret = check_ctrl_val(ctx, ctrl); + if (ret != 0) + return ret; + switch (ctrl->id) { + case V4L2_CID_CODEC_LOOP_FILTER_MPEG4_ENABLE: + if (stream_on) + return -EBUSY; + ctx->loop_filter_mpeg4 = ctrl->value; + break; + case V4L2_CID_CODEC_DISPLAY_DELAY: + if (stream_on) + return -EBUSY; + ctx->display_delay = ctrl->value; + break; + case V4L2_CID_CODEC_SLICE_INTERFACE: + if (stream_on) + return -EBUSY; + ctx->slice_interface = ctrl->value; + break; + default: + v4l2_err(&dev->v4l2_dev, "Invalid control\n"); + return -EINVAL; + } + mfc_debug("%s--\n", __func__); + return 0; +} +/* Get cropping information */ +static int vidioc_g_crop(struct file *file, void *priv, + struct v4l2_crop *cr) +{ + struct s5p_mfc_ctx *ctx = priv; + u32 left, right, top, bottom; + + mfc_debug("%s++\n", __func__); + if (ctx->state != MFCINST_DEC_HEAD_PARSED && + ctx->state != MFCINST_DEC_RUNNING && ctx->state != MFCINST_DEC_FINISHING + && ctx->state != MFCINST_DEC_FINISHED) { + mfc_debug("%s-- with error\n", + __func__); + return -EINVAL; + } + if (ctx->fmt->fourcc == V4L2_PIX_FMT_H264) { + left = s5p_mfc_get_h_crop(ctx); + right = left >> 16; + left = left & 0xFFFF; + top = s5p_mfc_get_v_crop(ctx); + bottom = top >> 16; + top = top & 0xFFFF; + cr->c.left = left; + cr->c.top = top; + cr->c.width = ctx->img_width - left - right; + cr->c.height = ctx->img_height - top - bottom; + mfc_debug("Cropping info [h264]: l=%d t=%d " + "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top, + cr->c.width, cr->c.height, right, bottom, + ctx->buf_width, ctx->buf_height); + } else { + cr->c.left = 0; + cr->c.top = 0; + cr->c.width = ctx->img_width; + cr->c.height = ctx->img_height; + mfc_debug("Cropping info: w=%d h=%d fw=%d " + "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width, + ctx->buf_height); + } + mfc_debug("%s--\n", __func__); + return 0; +} + +/* v4l2_ioctl_ops */ +static const struct v4l2_ioctl_ops s5p_mfc_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane, + .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, + .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane, + .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt, + .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt, + .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt, + .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt, + .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt, + .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_g_crop = vidioc_g_crop, +}; + +/* Negotiate buffers */ +static int s5p_mfc_buf_negotiate(struct vb2_queue *vq, unsigned int *buf_count, + unsigned int *plane_count) +{ + struct s5p_mfc_ctx *ctx = vq->drv_priv; + + mfc_debug("%s++\n", __func__); + /* Video output for decoding (source) + * this can be set after getting an instance */ + if (ctx->state == MFCINST_DEC_GOT_INST && + vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + mfc_debug("setting for VIDEO output\n"); + /* A single plane is required for input */ + *plane_count = 1; + if (*buf_count < 1) + *buf_count = 1; + if (*buf_count > MFC_MAX_BUFFERS) + *buf_count = MFC_MAX_BUFFERS; + /* Video capture for decoding (destination) + * this can be set after the header was parsed */ + } else if (ctx->state == MFCINST_DEC_HEAD_PARSED && + vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + mfc_debug("setting for VIDEO capture\n"); + /* Output plane count is 2 - one for Y and one for CbCr */ + *plane_count = 2; + /* Setup buffer count */ + if (*buf_count < ctx->dpb_count) + *buf_count = ctx->dpb_count; + if (*buf_count > ctx->dpb_count + MFC_MAX_EXTRA_DPB) + *buf_count = ctx->dpb_count + MFC_MAX_EXTRA_DPB; + if (*buf_count > MFC_MAX_BUFFERS) + *buf_count = MFC_MAX_BUFFERS; + } else { + mfc_err("State seems invalid. State = %d, " + "vq->type = %d\n", ctx->state, vq->type); + return -EINVAL; + } + mfc_debug("%s, buffer count=%d, plane count=%d " + "type=0x%x\n", __func__, *buf_count, *plane_count, vq->type); + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Setup plane */ +static int s5p_mfc_buf_setup_plane(struct vb2_queue *vq, + unsigned int plane, unsigned long *plane_size) +{ + struct s5p_mfc_ctx *ctx = vq->drv_priv; + + mfc_debug("%s++\n", __func__); + if (ctx->state == MFCINST_DEC_HEAD_PARSED && + vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + switch (plane) { + case 0: + /* Plane 0 is for luma (Y) */ + *plane_size = ctx->luma_size; + break; + case 1: + /* Plane 1 is for chroma (C) */ + *plane_size = ctx->chroma_size; + break; + default: + mfc_err("%s, invalid plane=%d\n", + __func__, plane); + return -EINVAL; + } + } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && + ctx->state == MFCINST_DEC_GOT_INST) { + if (plane != 0) { + mfc_err("%s, invalid plane=%d\n", + __func__, plane); + return -EINVAL; + } + /* dec_src_buf_size was set in s_fmt */ + *plane_size = ctx->dec_src_buf_size; + } else { + mfc_err("Currently only decoding is " + "supported. Decoding not initalised.\n"); + return -EINVAL; + } + mfc_debug("%s, plane=%d, size=%lu\n", __func__, plane, + *plane_size); + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Prepare a buffer */ +static int s5p_mfc_buf_prepare(struct vb2_buffer *vb) +{ + struct vb2_queue *vq = vb->vb2_queue; + struct s5p_mfc_ctx *ctx = vq->drv_priv; + unsigned int i; + + mfc_debug("%s++\n", __func__); + BUG_ON(NULL == ctx->fmt); + if (!ctx->fmt) { + mfc_err("Format passed to the function is " + "nul.\n"); + return -EINVAL; + } + mfc_debug("Addr: %p (%d)\n", + (void *)vb2_plane_paddr(vb, 0), vb->v4l2_buf.index); + if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + if (ctx->capture_state == QUEUE_BUFS_MMAPED) { + mfc_debug("%s--\n", __func__); + return 0; + } + for (i = 0; i <= ctx->fmt->num_planes ; i++) { + if (vb2_plane_paddr(vb, i) == 0) { + mfc_err("Plane mem not " + "allocated.\n"); + return -EINVAL; + } + } + if (vb2_plane_size(vb, 0) < ctx->luma_size || + vb2_plane_size(vb, 1) < ctx->chroma_size) { + mfc_err("Plane buffer (CAPTURE) is " + "too small.\n"); + return -EINVAL; + } + mfc_debug("Size: 0=%lu 2=%lu\n", + vb2_plane_size(vb, 0), vb2_plane_size(vb, 1)); + i = vb->v4l2_buf.index; + ctx->dec_dst_buf_luma[i] = vb2_plane_paddr(vb, 0); + ctx->dec_dst_buf_chroma[i] = vb2_plane_paddr(vb, 1); + ctx->dec_dst_buf_cnt++; + if (ctx->dec_dst_buf_cnt == ctx->total_dpb_count) + ctx->capture_state = QUEUE_BUFS_MMAPED; + } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + if (vb2_plane_paddr(vb, 0) == 0) { + mfc_err("Plane memory not " + "allocated.\n"); + return -EINVAL; + } + mfc_debug("Plane size: %ld, " + "ctx->dec_src_buf_size: %d\n", vb2_plane_size(vb, 0), + ctx->dec_src_buf_size); + if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) { + mfc_err("Plane buffer (OUTPUT) is " + "too small.\n"); + return -EINVAL; + } + } else { + mfc_err("s5p_mfc_buf_prepare: unknown queue " + "type.\n"); + return -EINVAL; + } + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Try running an operation on hardware */ +static void s5p_mfc_try_run() +{ + struct vb2_buffer *temp_vb; + struct s5p_mfc_ctx *ctx; + int new_ctx; + unsigned long flags; + unsigned int cnt; + unsigned int ret; + + mfc_debug("Try run dev: %p\n", dev); + /* Check whether hardware is not running */ + if (test_and_set_bit(0, &dev->hw_lock) == 0) { + /* Choose the context to run */ + spin_lock_irqsave(&dev->condlock, flags); + mfc_debug("Previos context: %d (bits %08lx)\n", + dev->curr_ctx, dev->ctx_work_bits); + new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS; + cnt = 0; + while (!test_bit(new_ctx, &dev->ctx_work_bits)) { + new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS; + cnt++; + if (cnt > MFC_NUM_CONTEXTS) { + /* No contexts to run */ + spin_unlock_irqrestore(&dev->condlock, flags); + if (test_and_clear_bit(0, &dev->hw_lock) == 0) { + mfc_err("Failed to " + "unlock hardware.\n"); + return; + } + mfc_debug("No ctx is scheduled" + " to be run.\n"); + return; + } + } + mfc_debug("New context: %d\n", new_ctx); + spin_unlock_irqrestore(&dev->condlock, flags); + ctx = dev->ctx[new_ctx]; + mfc_debug("Seting new context to %p\n", ctx); + /* Got context to run in ctx */ + mfc_debug("ctx->dst_queue_cnt=%d " + "ctx->dpb_count=%d ctx->src_queue_cnt=%d\n", + ctx->dst_queue_cnt, ctx->dpb_count, ctx->src_queue_cnt); + mfc_debug("ctx->state=%d\n", ctx->state); + /* Last frame has already been sent to MFC + * Now obtaining frames from MFC buffer */ + if (ctx->state == MFCINST_DEC_FINISHING) { + s5p_mfc_set_dec_stream_buffer(ctx, 0, 0, 0); + dev->curr_ctx = ctx->num; + s5p_mfc_clean_ctx_int_flags(ctx); + s5p_mfc_decode_one_frame(ctx, 1); + } else if (ctx->state == MFCINST_DEC_RUNNING) { + /* Frames are being decoded */ + if (list_empty(&ctx->src_queue)) { + if (test_and_clear_bit(0, &dev->hw_lock) == 0) { + mfc_err("Failed to " + "unlock hardware.\n"); + return; + } + mfc_debug("No src buffers.\n"); + return; + } + /* Get the next source buffer */ + temp_vb = list_entry(ctx->src_queue.next, + struct vb2_buffer, drv_entry); + mfc_debug("Temp vb: %p\n", temp_vb); + mfc_debug("Src Addr: %08lx\n", + vb2_plane_paddr(temp_vb, 0)); + s5p_mfc_set_dec_stream_buffer(ctx, + vb2_plane_paddr(temp_vb, 0), 0, + temp_vb->v4l2_planes[0].bytesused); + dev->curr_ctx = ctx->num; + s5p_mfc_clean_ctx_int_flags(ctx); + s5p_mfc_decode_one_frame(ctx, + temp_vb->v4l2_planes[0].bytesused == 0); + } else if (ctx->state == MFCINST_DEC_INIT) { + /* Preparing decoding - getting instance number */ + mfc_debug("Getting instance number\n"); + dev->curr_ctx = ctx->num; + s5p_mfc_clean_ctx_int_flags(ctx); + ret = s5p_mfc_open_inst(ctx); + if (ret) { + mfc_err("Failed to create a " + "new instance.\n"); + ctx->state = MFCINST_DEC_ERROR; + } + } else if (ctx->state == MFCINST_DEC_RETURN_INST) { + /* Closing decoding instance */ + mfc_debug("Returning instance " + "number\n"); + dev->curr_ctx = ctx->num; + s5p_mfc_clean_ctx_int_flags(ctx); + ret = s5p_mfc_return_inst_no(ctx); + if (ret) { + mfc_err("Failed to return an" + " instance.\n"); + ctx->state = MFCINST_DEC_ERROR; + } + + } else if (ctx->state == MFCINST_DEC_GOT_INST) { + /* Initializing decoding - parsing header */ + mfc_debug("Preparing to init " + "decoding.\n"); + temp_vb = list_entry(ctx->src_queue.next, + struct vb2_buffer, drv_entry); + s5p_mfc_set_dec_desc_buffer(ctx); + mfc_debug("Header size: %d\n", + temp_vb->v4l2_planes[0].bytesused); + s5p_mfc_set_dec_stream_buffer(ctx,\ + vb2_plane_paddr(temp_vb, 0), 0, + temp_vb->v4l2_planes[0].bytesused); + dev->curr_ctx = ctx->num; + mfc_debug("paddr: %08x\n", + (int)phys_to_virt(vb2_plane_paddr(temp_vb, 0))); + s5p_mfc_clean_ctx_int_flags(ctx); + s5p_mfc_init_decode(ctx); + } else if (ctx->state == MFCINST_DEC_HEAD_PARSED) { + /* Header was parsed now starting processing + * First set the output frame buffers + * s5p_mfc_alloc_dec_buffers(ctx); */ + if (ctx->capture_state == QUEUE_BUFS_MMAPED) { + temp_vb = list_entry(ctx->src_queue.next, + struct vb2_buffer, drv_entry); + mfc_debug("Header size: %d\n", + temp_vb->v4l2_planes[0].bytesused); + s5p_mfc_set_dec_stream_buffer(ctx, + vb2_plane_paddr(temp_vb, 0), 0, + temp_vb->v4l2_planes[0].bytesused); + dev->curr_ctx = ctx->num; + s5p_mfc_clean_ctx_int_flags(ctx); + if (s5p_mfc_set_dec_frame_buffer(ctx)) { + mfc_err("Failed to " + "alloc frame mem.\n"); + ctx->state = MFCINST_DEC_ERROR; + } + } else { + mfc_err("It seems that not " + "all destionation buffers were mmaped." + "\nMFC requires that all destination " + "are mmaped before starting " + "processing.\n"); + if (test_and_clear_bit(0, &dev->hw_lock) == 0) { + mfc_err("Failed to " + "unlock hardware.\n"); + return; + } + } + } else { + /* Free hardware lock */ + if (test_and_clear_bit(0, &dev->hw_lock) == 0) { + mfc_err("Failed to unlock " + "hardware.\n"); + return; + } + } + } else { + /* This is perfectly ok, the scheduled ctx should wait */ + mfc_debug("Couldn't lock HW.\n"); + } +} + +/* Queue buffer */ +static void s5p_mfc_buf_queue(struct vb2_buffer *vb) +{ + struct vb2_queue *vq = vb->vb2_queue; + struct s5p_mfc_ctx *ctx = vq->drv_priv; + unsigned long flags; + + mfc_debug("%s++\n", __func__); + if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + mfc_debug("Src queue: %p\n", &ctx->src_queue); + mfc_debug("Adding to src: %p (%08lx)\n", vb, + vb2_plane_paddr(vb, 0)); + list_add_tail(&vb->drv_entry, &ctx->src_queue); + ctx->src_queue_cnt++; + } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + mfc_debug("Dst queue: %p\n", &ctx->dst_queue); + mfc_debug("Adding to dst: %p (%lx)\n", vb, + vb2_plane_paddr(vb, 0)); + mfc_debug("ADDING Flag before: %lx (%d)\n", + ctx->dec_dst_flag, vb->v4l2_buf.index); + /* Mark destination as available for use by MFC */ + set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag); + mfc_debug("ADDING Flag after: %lx\n", + ctx->dec_dst_flag); + list_add_tail(&vb->drv_entry, &ctx->dst_queue); + ctx->dst_queue_cnt++; + } else { + mfc_err("Unsupported buffer type (%d)\n", + vq->type); + } + if (s5p_mfc_ctx_ready(ctx)) { + spin_lock_irqsave(&dev->condlock, flags); + set_bit(ctx->num, &dev->ctx_work_bits); + spin_unlock_irqrestore(&dev->condlock, flags); + } + s5p_mfc_try_run(); + mfc_debug("%s--\n", __func__); +} + +/* Videobuf opts */ +static struct vb2_ops s5p_mfc_qops = { + .buf_queue = s5p_mfc_buf_queue, + .queue_negotiate = s5p_mfc_buf_negotiate, + .plane_setup = s5p_mfc_buf_setup_plane, + .buf_prepare = s5p_mfc_buf_prepare, +}; + +/* Handle frame decoding interrupt */ +static void s5p_mfc_handle_frame_int(struct s5p_mfc_ctx *ctx, + unsigned int reason, unsigned int err) +{ + size_t dst_ret_addr_y; + unsigned int dst_frame_status; + unsigned int dec_frame_type; + struct vb2_buffer *src_buf, *dst_buf; + + dst_ret_addr_y = s5p_mfc_get_dspl_y_adr(); + dst_frame_status = s5p_mfc_get_dspl_status() + & S5P_FIMV_DEC_STATUS_DECODING_STATUS_MASK; + dec_frame_type = s5p_mfc_get_frame_type(); + mfc_debug("Status: %x,addrY: %08x\n", dst_frame_status, + dst_ret_addr_y); + spin_lock(&dev->irqlock); + /* All frames remaining in the buffer have been extracted */ + if (dst_frame_status == S5P_FIMV_DEC_STATUS_DECODING_EMPTY) { + ctx->state = MFCINST_DEC_FINISHED; + mfc_debug("Decided to finish\n"); + ctx->sequence++; + while (!list_empty(&ctx->dst_queue)) { + dst_buf = list_entry(ctx->dst_queue.next, + struct vb2_buffer, drv_entry); + mfc_debug("Cleaning up buffer: %d\n", + dst_buf->v4l2_buf.index); + vb2_set_plane_payload(dst_buf, 0, 0); + vb2_set_plane_payload(dst_buf, 1, 0); + list_del(&dst_buf->drv_entry); + ctx->dst_queue_cnt--; + dst_buf->v4l2_buf.sequence = (ctx->sequence++); + if (s5p_mfc_get_pic_time_top(ctx) == + s5p_mfc_get_pic_time_bottom(ctx)) + dst_buf->v4l2_buf.field = V4L2_FIELD_NONE; + else + dst_buf->v4l2_buf.field = V4L2_FIELD_INTERLACED; + spin_unlock(&dev->irqlock); + ctx->dec_dst_flag &= ~(1 << dst_buf->v4l2_buf.index); + vb2_buffer_done(dst_buf, VB2_BUF_STATE_DONE); + spin_lock(&dev->irqlock); + mfc_debug("Cleaned up buffer: %d\n", + dst_buf->v4l2_buf.index); + } + mfc_debug("After cleanup\n"); + } + + /* A frame has been decoded and is in the buffer */ + if (dst_frame_status == S5P_FIMV_DEC_STATUS_DISPLAY_ONLY || + dst_frame_status == S5P_FIMV_DEC_STATUS_DECODING_DISPLAY) { + ctx->sequence++; + /* If frame is same as previous then skip and do not dequeue */ + if (dec_frame_type != S5P_FIMV_DECODE_FRAME_SKIPPED) { + /* The MFC returns address of the buffer, now we have to + * check which videobuf does it correspond to */ + list_for_each_entry(dst_buf, &ctx->dst_queue, drv_entry) { + mfc_debug("Listing: %d\n", + dst_buf->v4l2_buf.index); + /* Check if this is the buffer we're looking for */ + if (vb2_plane_paddr(dst_buf, 0) == dst_ret_addr_y) { + list_del(&dst_buf->drv_entry); + ctx->dst_queue_cnt--; + dst_buf->v4l2_buf.sequence = ctx->sequence; + if (s5p_mfc_get_pic_time_top(ctx) == + s5p_mfc_get_pic_time_bottom(ctx)) + dst_buf->v4l2_buf.field = + V4L2_FIELD_NONE; + else + dst_buf->v4l2_buf.field = + V4L2_FIELD_INTERLACED; + vb2_set_plane_payload(dst_buf, 0, + ctx->luma_size); + vb2_set_plane_payload(dst_buf, 1, + ctx->chroma_size); + spin_unlock(&dev->irqlock); + clear_bit(dst_buf->v4l2_buf.index, + &ctx->dec_dst_flag); + if (err) { + vb2_buffer_done(dst_buf, + VB2_BUF_STATE_ERROR); + } else { + vb2_buffer_done(dst_buf, + VB2_BUF_STATE_DONE); + } + spin_lock(&dev->irqlock); + break; + } + } + } + } else { + mfc_debug("No frame decode.\n"); + } + /* Mark source buffer as complete */ + if (dst_frame_status != S5P_FIMV_DEC_STATUS_DISPLAY_ONLY + && !list_empty(&ctx->src_queue)) { + src_buf = list_entry(ctx->src_queue.next, struct vb2_buffer, + drv_entry); + mfc_debug("Packed PB test. Size:%d, prev off:"\ + "%ld now con:%d\n", src_buf->v4l2_planes[0].bytesused, + ctx->consumed_stream, s5p_mfc_get_consumed_stream()); + ctx->consumed_stream += s5p_mfc_get_consumed_stream(); + if (dec_frame_type == S5P_FIMV_DECODE_FRAME_P_FRAME + && ctx->consumed_stream < + src_buf->v4l2_planes[0].bytesused) { + /* Run MFC again on the same buffer */ + mfc_debug("Running again the same " + "buffer.\n"); + s5p_mfc_set_dec_stream_buffer(ctx, + vb2_plane_paddr(src_buf, 0), + ctx->consumed_stream, + src_buf->v4l2_planes[0].bytesused - + ctx->consumed_stream); + dev->curr_ctx = ctx->num; + s5p_mfc_clean_ctx_int_flags(ctx); + spin_unlock(&dev->irqlock); + s5p_mfc_clear_int_flags(); + wake_up_ctx(ctx, reason, err); + s5p_mfc_decode_one_frame(ctx, 0); + return; + } else { + mfc_debug("MFC needs next buffer..\n"); + /* Advance to next buffer */ + ctx->consumed_stream = 0; + list_del(&src_buf->drv_entry); + ctx->src_queue_cnt--; + if (vb2_plane_size(src_buf, 0) == 0) { + mfc_debug("Setting ctx->state " + "to FINISHING\n"); + ctx->state = MFCINST_DEC_FINISHING; + } + spin_unlock(&dev->irqlock); + vb2_buffer_done(src_buf, VB2_BUF_STATE_DONE); + + } + } else { + spin_unlock(&dev->irqlock); + } + mfc_debug("Assesing whether this context should be run" + " again.\n"); + if ((ctx->src_queue_cnt == 0 && ctx->state != MFCINST_DEC_FINISHING) + || ctx->dst_queue_cnt < ctx->dpb_count) { + mfc_debug("No need to run again.\n"); + clear_work_bit(ctx); + } + mfc_debug("After assesing whether this context should " + "be run again.\n"); + s5p_mfc_clear_int_flags(); + wake_up_ctx(ctx, reason, err); + if (test_and_clear_bit(0, &dev->hw_lock) == 0) + BUG(); + s5p_mfc_try_run(); +} + +/* Error handling for interrupt */ +static inline void s5p_mfc_handle_error(struct s5p_mfc_ctx *ctx, + unsigned int reason, unsigned int err) +{ + mfc_err("Interrupt Error: %08x\n", err); + s5p_mfc_clear_int_flags(); + wake_up_dev(reason, err); + /* If no context is available then all necessary + * processing has been done. */ + if (ctx == 0) + return; + /* Error recovery is dependent on the state of context */ + switch (ctx->state) { + case MFCINST_DEC_INIT: + /* This error had to happen while acquireing instance */ + case MFCINST_DEC_GOT_INST: + /* This error had to happen while parsing the header */ + case MFCINST_DEC_HEAD_PARSED: + /* This error had to happen while setting dst buffers */ + case MFCINST_DEC_RETURN_INST: + /* This error had to happen while releasing instance */ + clear_work_bit(ctx); + wake_up_ctx(ctx, reason, err); + if (test_and_clear_bit(0, &dev->hw_lock) == 0) + BUG(); + break; + case MFCINST_DEC_FINISHING: + case MFCINST_DEC_FINISHED: + case MFCINST_DEC_RUNNING: + /* It is higly probable that an error occured + * while decoding a frame */ + clear_work_bit(ctx); + ctx->state = MFCINST_DEC_ERROR; + /* Mark all dst buffers as having an error */ + s5p_mfc_error_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst); + /* Mark all src buffers as having an error */ + s5p_mfc_error_cleanup_queue(&ctx->src_queue, &ctx->vq_src); + if (test_and_clear_bit(0, &dev->hw_lock) == 0) + BUG(); + break; + default: + mfc_err("Encountered an error interrupt " + "which had not been handled.\n"); + break; + } + return; +} + +/* Interrupt processing */ +static irqreturn_t s5p_mfc_irq(int irq, void *priv) +{ + struct vb2_buffer *src_buf; + struct s5p_mfc_ctx *ctx; + unsigned int reason; + unsigned int err; + + mfc_debug("%s++\n", __func__); + /* Reset the timeout watchdog */ + atomic_set(&dev->watchdog_cnt, 0); + ctx = dev->ctx[dev->curr_ctx]; + /* Get the reason of interrupt and the error code */ + reason = s5p_mfc_get_int_reason(); + err = s5p_mfc_get_int_err(); + mfc_debug("Int reason: %d (err: %08x)\n", reason, err); + switch (reason) { + case S5P_FIMV_R2H_CMD_DECODE_ERR_RET: + /* An error has occured */ + if (ctx->state == MFCINST_DEC_RUNNING && + err >= S5P_FIMV_ERR_WARNINGS_START) + s5p_mfc_handle_frame_int(ctx, reason, err); + else + s5p_mfc_handle_error(ctx, reason, err); + break; + case S5P_FIMV_R2H_CMD_SLICE_DONE_RET: + case S5P_FIMV_R2H_CMD_FRAME_DONE_RET: + s5p_mfc_handle_frame_int(ctx, reason, err); + break; + case S5P_FIMV_R2H_CMD_SEQ_DONE_RET: + if (ctx->fmt->fourcc != V4L2_PIX_FMT_DIVX3) { + ctx->img_width = s5p_mfc_get_img_width(); + ctx->img_height = s5p_mfc_get_img_height(); + } + ctx->buf_width = ALIGN(ctx->img_width, 128); + ctx->buf_height = ALIGN(ctx->img_height, 32); + mfc_debug("SEQ Done: Movie dimensions %dx%d, " + "buffer dimensions: %dx%d\n", ctx->img_width, + ctx->img_height, ctx->buf_width, ctx->buf_height); + ctx->luma_size = ALIGN(ctx->buf_width * ctx->buf_height, 8192); + ctx->chroma_size = ALIGN(ctx->buf_width * + ALIGN(ctx->img_height / 2, 32), 8192); + if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC) + ctx->mv_size = ALIGN(ctx->buf_width * + ALIGN(ctx->buf_height / 4, 32), 8192); + else + ctx->mv_size = 0; + ctx->dpb_count = s5p_mfc_get_dpb_count(); + ctx->state = MFCINST_DEC_HEAD_PARSED; + s5p_mfc_clear_int_flags(); + clear_work_bit(ctx); + if (test_and_clear_bit(0, &dev->hw_lock) == 0) + BUG(); + s5p_mfc_try_run(); + wake_up_ctx(ctx, reason, err); + break; + case S5P_FIMV_R2H_CMD_OPEN_INSTANCE_RET: + ctx->inst_no = s5p_mfc_get_inst_no(); + ctx->state = MFCINST_DEC_GOT_INST; + clear_work_bit(ctx); + wake_up_interruptible(&ctx->queue); + goto irq_cleanup_hw; + break; + case S5P_FIMV_R2H_CMD_CLOSE_INSTANCE_RET: + clear_work_bit(ctx); + ctx->state = MFCINST_FREE; + wake_up(&ctx->queue); + goto irq_cleanup_hw; + break; + case S5P_FIMV_R2H_CMD_SYS_INIT_RET: + case S5P_FIMV_R2H_CMD_FW_STATUS_RET: + if (ctx) + clear_work_bit(ctx); + s5p_mfc_clear_int_flags(); + wake_up_dev(reason, err); + clear_bit(0, &dev->hw_lock); + break; + case S5P_FIMV_R2H_CMD_INIT_BUFFERS_RET: + s5p_mfc_clear_int_flags(); + ctx->int_type = reason; + ctx->int_err = err; + ctx->int_cond = 1; + spin_lock(&dev->condlock); + clear_bit(ctx->num, &dev->ctx_work_bits); + spin_unlock(&dev->condlock); + if (err == 0) { + ctx->state = MFCINST_DEC_RUNNING; + spin_lock(&dev->irqlock); + src_buf = + list_entry(ctx->src_queue.next, + struct vb2_buffer, drv_entry); + list_del(&src_buf->drv_entry); + ctx->src_queue_cnt--; + spin_unlock(&dev->irqlock); + vb2_buffer_done(src_buf, VB2_BUF_STATE_DONE); + if (test_and_clear_bit(0, &dev->hw_lock) == 0) + BUG(); + wake_up_interruptible(&ctx->queue); + s5p_mfc_try_run(); + } else { + if (test_and_clear_bit(0, &dev->hw_lock) == 0) + BUG(); + wake_up_interruptible(&ctx->queue); + } + break; + default: + mfc_debug("Unknown int reason.\n"); + s5p_mfc_clear_int_flags(); + } + mfc_debug("%s--\n", __func__); + return IRQ_HANDLED; +irq_cleanup_hw: + s5p_mfc_clear_int_flags(); + ctx->int_type = reason; + ctx->int_err = err; + ctx->int_cond = 1; + if (test_and_clear_bit(0, &dev->hw_lock) == 0) + mfc_err("Failed to unlock hw.\n"); + s5p_mfc_try_run(); + mfc_debug("%s-- (via irq_cleanup_hw)\n", __func__); + return IRQ_HANDLED; +} + +/* Open an MFC node */ +static int s5p_mfc_open(struct file *file) +{ + struct s5p_mfc_ctx *ctx = NULL; + unsigned long flags; + int ret = 0; + + mfc_debug("%s++\n", __func__); + mutex_lock(dev->mfc_mutex); + atomic_inc(&dev->num_inst); /* It is guarded by mfc_mutex */ + /* Allocate memory for context */ + ctx = kzalloc(sizeof *ctx, GFP_KERNEL); + if (!ctx) { + mfc_err("Not enough memory.\n"); + ret = -ENOMEM; + goto out_open; + } + file->private_data = ctx; + ctx->dev = dev; + INIT_LIST_HEAD(&ctx->src_queue); + INIT_LIST_HEAD(&ctx->dst_queue); + ctx->src_queue_cnt = 0; + ctx->dst_queue_cnt = 0; + /* Get context number */ + ctx->num = 0; + while (dev->ctx[ctx->num]) { + ctx->num++; + if (ctx->num >= MFC_NUM_CONTEXTS) { + mfc_err("Too many open contexts.\n"); + ret = -EAGAIN; + goto out_open; + } + } + /* Mark context as idle */ + spin_lock_irqsave(&dev->condlock, flags); + clear_bit(ctx->num, &dev->ctx_work_bits); + spin_unlock_irqrestore(&dev->condlock, flags); + dev->ctx[ctx->num] = ctx; + /* Default format */ + ctx->fmt = &formats[0]; + /* Load firmware if this is the first instance */ + if (atomic_read(&dev->num_inst) == 1) { + dev->watchdog_timer.expires = jiffies + + msecs_to_jiffies(MFC_WATCHDOG_INTERVAL); + add_timer(&dev->watchdog_timer); + + /* Load the FW */ + ret = s5p_mfc_alloc_firmware(dev); + if (ret != 0) + goto out_open_2a; + ret = s5p_mfc_load_firmware(dev); + if (ret != 0) + goto out_open_2; + mfc_debug("Enabling clocks.\n"); + clk_enable(dev->clock1); + clk_enable(dev->clock2); + /* Init the FW */ + ret = s5p_mfc_init_hw(dev); + if (ret != 0) + goto out_open_3; + } + /* Init videobuf2 queue for CAPTURE */ + ret = vb2_queue_init(&ctx->vq_dst, &s5p_mfc_qops, + dev->alloc_ctx[0], &dev->irqlock, + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, ctx); + if (ret) { + mfc_err("Failed to initialize videobuf2 " + "queue(capture)\n"); + goto out_open_3; + } + /* Init videobuf2 queue for OUTPUT */ + ret = vb2_queue_init(&ctx->vq_src, &s5p_mfc_qops, + dev->alloc_ctx[1], &dev->irqlock, + V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, ctx); + if (ret) { + mfc_err("Failed to initialize videobuf2 " + " queue(output)\n"); + goto out_open_3; + } + vb2_set_alloc_ctx(&ctx->vq_dst, dev->alloc_ctx[1], 1); + init_waitqueue_head(&ctx->queue); + mutex_unlock(dev->mfc_mutex); + mfc_debug("%s-- (via irq_cleanup_hw)\n", __func__); + return ret; + /* Deinit when failure occured */ +out_open_3: + if (atomic_read(&dev->num_inst) == 1) { + clk_disable(dev->clock1); + clk_disable(dev->clock2); + s5p_mfc_release_firmware(); + } +out_open_2: + s5p_mfc_release_firmware(); +out_open_2a: + dev->ctx[ctx->num] = 0; + kfree(ctx); +out_open: + atomic_dec(&dev->num_inst); + mutex_unlock(dev->mfc_mutex); + mfc_debug("%s--\n", __func__); + return ret; +} + +/* Release MFC context */ +static int s5p_mfc_release(struct file *file) +{ + struct s5p_mfc_ctx *ctx = file->private_data; + unsigned long flags; + + mfc_debug("%s++\n", __func__); + mutex_lock(dev->mfc_mutex); + /* Stop all the processing */ + vb2_queue_release(&ctx->vq_src); + vb2_queue_release(&ctx->vq_dst); + /* Mark context as idle */ + clear_bit(ctx->num, &dev->ctx_work_bits); + /* If instance was initialised then + * return instance and free reosurces */ + if (ctx->state < MFCINST_ENC_INIT && ctx->state >= MFCINST_DEC_INIT) { + ctx->state = MFCINST_DEC_RETURN_INST; + spin_lock_irqsave(&dev->condlock, flags); + set_bit(ctx->num, &dev->ctx_work_bits); + spin_unlock_irqrestore(&dev->condlock, flags); + s5p_mfc_clean_ctx_int_flags(ctx); + s5p_mfc_try_run(); + /* Wait until instance is returned or timeout occured */ + if (s5p_mfc_wait_for_done_ctx + (ctx, S5P_FIMV_R2H_CMD_CLOSE_INSTANCE_RET, 0)) { + mfc_err("Err returning instance.\n"); + } + /* Free resources */ + s5p_mfc_release_dec_buffers(ctx); + s5p_mfc_release_instance_buffer(ctx); + s5p_mfc_release_dec_desc_buffer(ctx); + } + /* hardware locking scheme */ + if (dev->curr_ctx == ctx->num) + clear_bit(0, &dev->hw_lock); + atomic_dec(&dev->num_inst); + if (atomic_read(&dev->num_inst) == 0) { + /* Actually this is also protected by mfc_mutex */ + s5p_mfc_deinit_hw(dev); + mfc_debug("Disabling clocks...\n"); + clk_disable(dev->clock1); + clk_disable(dev->clock2); + s5p_mfc_release_firmware(); + del_timer_sync(&dev->watchdog_timer); + } + dev->ctx[ctx->num] = 0; + kfree(ctx); + mutex_unlock(dev->mfc_mutex); + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Poll */ +static unsigned int s5p_mfc_poll(struct file *file, + struct poll_table_struct *wait) +{ + struct s5p_mfc_ctx *ctx = file->private_data; + + return vb2_poll(&ctx->vq_dst, file, wait); +} + +/* Mmap */ +static int s5p_mfc_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct s5p_mfc_ctx *ctx = file->private_data; + int ret; + unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; + + mfc_debug("%s++\n", __func__); + if (offset < DST_QUEUE_OFF_BASE) { + mfc_debug("mmaping source.\n"); + ret = vb2_mmap(&ctx->vq_src, vma); + } else { /* capture */ + mfc_debug("mmaping destination.\n"); + vma->vm_pgoff -= (DST_QUEUE_OFF_BASE >> PAGE_SHIFT); + ret = vb2_mmap(&ctx->vq_dst, vma); + } + mfc_debug("%s--\n", __func__); + return ret; +} + +/* v4l2 ops */ +static const struct v4l2_file_operations s5p_mfc_fops = { + .owner = THIS_MODULE, + .open = s5p_mfc_open, + .release = s5p_mfc_release, + .poll = s5p_mfc_poll, + .ioctl = video_ioctl2, + .mmap = s5p_mfc_mmap, +}; + +/* videodec structure */ +static struct video_device s5p_mfc_videodev = { + .name = S5P_MFC_NAME, + .fops = &s5p_mfc_fops, + .ioctl_ops = &s5p_mfc_ioctl_ops, + .minor = -1, + .release = video_device_release, +}; + +/* MFC probe function */ +static int s5p_mfc_probe(struct platform_device *pdev) +{ + struct video_device *vfd; + struct resource *res; + int ret = -ENOENT; + size_t size; + + pr_debug("%s++\n", __func__); + dev = kzalloc(sizeof *dev, GFP_KERNEL); + if (!dev) { + dev_err(&pdev->dev, "Not enough memory for MFC device.\n"); + return -ENOMEM; + } + + spin_lock_init(&dev->irqlock); + spin_lock_init(&dev->condlock); + dev_dbg(&pdev->dev, "Initialised spin lock\n"); + dev->plat_dev = pdev; + if (!dev->plat_dev) { + dev_err(&pdev->dev, "No platform data specified\n"); + ret = -ENODEV; + goto free_dev; + } + dev_dbg(&pdev->dev, "Getting clocks\n"); + dev->clock1 = clk_get(&pdev->dev, "sclk_mfc"); + dev->clock2 = clk_get(&pdev->dev, "mfc"); + if (IS_ERR(dev->clock1) || IS_ERR(dev->clock2)) { + dev_err(&pdev->dev, "failed to get mfc clock source\n"); + goto free_clk; + } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) { + dev_err(&pdev->dev, "failed to get memory region resource.\n"); + ret = -ENOENT; + goto probe_out1; + } + size = (res->end - res->start) + 1; + dev->mfc_mem = request_mem_region(res->start, size, pdev->name); + if (dev->mfc_mem == NULL) { + dev_err(&pdev->dev, "failed to get memory region.\n"); + ret = -ENOENT; + goto probe_out2; + } + dev->base_virt_addr = ioremap(dev->mfc_mem->start, + dev->mfc_mem->end - dev->mfc_mem->start + 1); + if (dev->base_virt_addr == NULL) { + dev_err(&pdev->dev, "failed to ioremap address region.\n"); + ret = -ENOENT; + goto probe_out3; + } + dev->regs_base = dev->base_virt_addr; + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (res == NULL) { + dev_err(&pdev->dev, "failed to get irq resource.\n"); + ret = -ENOENT; + goto probe_out4; + } + dev->irq = res->start; + ret = request_irq(dev->irq, s5p_mfc_irq, IRQF_DISABLED, pdev->name, + dev); + + if (ret != 0) { + dev_err(&pdev->dev, "Failed to install irq (%d)\n", ret); + goto probe_out5; + } + dev->mfc_mutex = kmalloc(sizeof(struct mutex), GFP_KERNEL); + if (dev->mfc_mutex == NULL) { + dev_err(&pdev->dev, "Memory allocation failed\n"); + ret = -ENOMEM; + goto probe_out6; + } + mutex_init(dev->mfc_mutex); + ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); + if (ret) + goto probe_out7; + atomic_set(&dev->num_inst, 0); + init_waitqueue_head(&dev->queue); + vfd = video_device_alloc(); + if (!vfd) { + v4l2_err(&dev->v4l2_dev, "Failed to allocate video device\n"); + ret = -ENOMEM; + goto unreg_dev; + } + *vfd = s5p_mfc_videodev; + video_set_drvdata(vfd, dev); + snprintf(vfd->name, sizeof(vfd->name), "%s", s5p_mfc_videodev.name); + dev->vfd = vfd; + + platform_set_drvdata(pdev, dev); + dev->hw_lock = 0; + dev->watchdog_workqueue = create_singlethread_workqueue("s5p-mfc"); + INIT_WORK(&dev->watchdog_work, s5p_mfc_watchdog_worker); + atomic_set(&dev->watchdog_cnt, 0); + init_timer(&dev->watchdog_timer); + dev->watchdog_timer.data = 0; + dev->watchdog_timer.function = s5p_mfc_watchdog; + + dev->alloc_ctx = vb2_cma_init_multi(&pdev->dev, 2, s5p_mem_types, + s5p_mem_alignments); + if (IS_ERR(dev->alloc_ctx)) { + mfc_err("Couldn't prepare allocator ctx.\n"); + ret = PTR_ERR(dev->alloc_ctx); + goto alloc_ctx_fail; + } + + ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0); + if (ret) { + v4l2_err(&dev->v4l2_dev, "Failed to register video device\n"); + video_device_release(vfd); + goto rel_vdev; + } + v4l2_info(&dev->v4l2_dev, "Device registered as /dev/video%d\n", + vfd->num); + pr_debug("%s--\n", __func__); + return 0; + +/* Deinit MFC if probe had failed */ +rel_vdev: + vb2_cma_cleanup_multi(dev->alloc_ctx); +alloc_ctx_fail: +unreg_dev: + v4l2_device_unregister(&dev->v4l2_dev); + +probe_out7: + if (dev->mfc_mutex) { + mutex_destroy(dev->mfc_mutex); + kfree(dev->mfc_mutex); + } +probe_out6: + free_irq(dev->irq, dev); +probe_out5: +probe_out4: + iounmap(dev->base_virt_addr); + dev->base_virt_addr = NULL; +probe_out3: + release_resource(dev->mfc_mem); + kfree(dev->mfc_mem); +probe_out2: +probe_out1: + clk_put(dev->clock1); + clk_put(dev->clock2); +free_clk: + +free_dev: + kfree(dev); + pr_debug("%s-- with error\n", __func__); + return ret; +} + +/* Remove the driver */ +static int s5p_mfc_remove(struct platform_device *pdev) +{ + dev_dbg(&pdev->dev, "%s++\n", __func__); + v4l2_info(&dev->v4l2_dev, "Removing %s\n", pdev->name); + del_timer_sync(&dev->watchdog_timer); + flush_workqueue(dev->watchdog_workqueue); + destroy_workqueue(dev->watchdog_workqueue); + video_unregister_device(dev->vfd); + v4l2_device_unregister(&dev->v4l2_dev); + vb2_cma_cleanup_multi(dev->alloc_ctx); + if (dev->mfc_mutex) { + mutex_destroy(dev->mfc_mutex); + kfree(dev->mfc_mutex); + } + mfc_debug("Will now deinit HW\n"); + s5p_mfc_deinit_hw(dev); + free_irq(dev->irq, dev); + iounmap(dev->base_virt_addr); + if (dev->mfc_mem != NULL) { + release_resource(dev->mfc_mem); + kfree(dev->mfc_mem); + dev->mfc_mem = NULL; + } + clk_put(dev->clock1); + clk_put(dev->clock2); + kfree(dev); + dev_dbg(&pdev->dev, "%s--\n", __func__); + return 0; +} + +static int s5p_mfc_suspend(struct device *dev) +{ + return 0; +} + +static int s5p_mfc_resume(struct device *dev) +{ + return 0; +} + +/* Power management */ +static const struct dev_pm_ops s5p_mfc_pm_ops = { + .suspend = s5p_mfc_suspend, + .resume = s5p_mfc_resume, +}; + +static struct platform_driver s5p_mfc_pdrv = { + .probe = s5p_mfc_probe, + .remove = __devexit_p(s5p_mfc_remove), + .driver = { + .name = S5P_MFC_NAME, + .owner = THIS_MODULE, + .pm = &s5p_mfc_pm_ops}, +}; + +static char banner[] __initdata = + "S5P MFC V4L2 Driver, (c) 2010 Samsung Electronics\n"; + +static int __init s5p_mfc_init(void) +{ + pr_info("%s", banner); + if (platform_driver_register(&s5p_mfc_pdrv) != 0) { + pr_err("Platform device registration failed..\n"); + return -1; + } + return 0; +} + +static void __devexit s5p_mfc_exit(void) +{ + platform_driver_unregister(&s5p_mfc_pdrv); +} + +module_init(s5p_mfc_init); +module_exit(s5p_mfc_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Kamil Debski <k.debski@xxxxxxxxxxx>"); diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_common.h b/drivers/media/video/s5p-mfc/s5p_mfc_common.h new file mode 100644 index 0000000..4f18937 --- /dev/null +++ b/drivers/media/video/s5p-mfc/s5p_mfc_common.h @@ -0,0 +1,190 @@ +/* + * Samsung S5P Multi Format Codec v 5.0 + * + * This file contains definitions of enums and structs used by the codec + * driver. + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * Kamil Debski, <k.debski@xxxxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the + * License, or (at your option) any later version + */ + +#ifndef S5P_MFC_COMMON_H_ +#define S5P_MFC_COMMON_H_ + +#include "regs-mfc5.h" +#include <linux/videodev2.h> + +#include <media/v4l2-device.h> +#include <media/v4l2-ioctl.h> + +#include <media/videobuf2-core.h> + +#define MFC_MAX_EXTRA_DPB 5 +#define MFC_MAX_BUFFERS 32 +#define MFC_FRAME_PLANES 2 + +#define MFC_NUM_CONTEXTS 4 +/* Interrupt timeout */ +#define MFC_INT_TIMEOUT 2000 +/* Busy wait timeout */ +#define MFC_BW_TIMEOUT 500 +/* Watchdog interval */ +#define MFC_WATCHDOG_INTERVAL 1000 +/* After how many executions watchdog should assume lock up */ +#define MFC_WATCHDOG_CNT 10 + + +/** + * enum s5p_mfc_inst_state - The state of an MFC instance. + */ +enum s5p_mfc_inst_state { + MFCINST_FREE = 0, + MFCINST_DEC_INIT = 100, + MFCINST_DEC_GOT_INST, + MFCINST_DEC_HEAD_PARSED, + MFCINST_DEC_BUFS_SET, + MFCINST_DEC_RUNNING, + MFCINST_DEC_FINISHING, + MFCINST_DEC_FINISHED, + MFCINST_DEC_RETURN_INST, + MFCINST_DEC_ERROR, + MFCINST_ENC_INIT = 200, +}; + +/** + * enum s5p_mfc_queue_state - The state of buffer queue. + */ +enum s5p_mfc_queue_state { + QUEUE_FREE = 0, + QUEUE_BUFS_REQUESTED, + QUEUE_BUFS_QUERIED, + QUEUE_BUFS_MMAPED, +}; + +struct s5p_mfc_ctx; + +/** + * struct s5p_mfc_dev - The struct containing driver internal parameters. + */ +struct s5p_mfc_dev { + struct v4l2_device v4l2_dev; + struct video_device *vfd; + struct platform_device *plat_dev; + + atomic_t num_inst; + spinlock_t irqlock; + spinlock_t condlock; + + void __iomem *regs_base; + int irq; + + struct resource *mfc_mem; + void __iomem *base_virt_addr; + + struct mutex *mfc_mutex; + + int int_cond; + int int_type; + unsigned int int_err; + wait_queue_head_t queue; + + size_t port_a; + size_t port_b; + + unsigned long hw_lock; + + struct clk *clock1; + struct clk *clock2; + + struct s5p_mfc_ctx *ctx[MFC_NUM_CONTEXTS]; + int curr_ctx; + unsigned long ctx_work_bits; + + atomic_t watchdog_cnt; + struct timer_list watchdog_timer; + struct workqueue_struct *watchdog_workqueue; + struct work_struct watchdog_work; + + struct vb2_alloc_ctx **alloc_ctx; +}; + +/** + * struct s5p_mfc_ctx - This struct contains the instance context + */ +struct s5p_mfc_ctx { + struct s5p_mfc_dev *dev; + int num; + + int int_cond; + int int_type; + unsigned int int_err; + wait_queue_head_t queue; + + struct s5p_mfc_fmt *fmt; + + struct vb2_queue vq_src; + struct vb2_queue vq_dst; + + struct list_head src_queue; + struct list_head dst_queue; + + unsigned int src_queue_cnt; + unsigned int dst_queue_cnt; + + enum s5p_mfc_inst_state state; + int inst_no; + + /* Decoder parameters */ + int img_width; + int img_height; + int buf_width; + int buf_height; + int dpb_count; + int total_dpb_count; + + int luma_size; + int chroma_size; + int mv_size; + + unsigned long consumed_stream; + int slice_interface; + + /* Buffers */ + size_t port_a; + size_t port_a_size; + size_t port_b; + size_t port_b_size; + + + enum s5p_mfc_queue_state capture_state; + enum s5p_mfc_queue_state output_state; + + size_t dec_dst_buf_luma[MFC_MAX_BUFFERS]; + size_t dec_dst_buf_chroma[MFC_MAX_BUFFERS]; + + int dec_dst_buf_cnt; + unsigned int sequence; + unsigned long dec_dst_flag; + size_t dec_src_buf_size; + + /* Control values */ + int codec_mode; + __u32 pix_format; + int loop_filter_mpeg4; + int display_delay; + + /* Buffers */ + size_t instance_phys; + size_t instance_size; + size_t desc_phys; + size_t shared_phys; + void *shared_virt; + +}; + +#endif /* S5P_MFC_COMMON_H_ */ diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_ctrls.h b/drivers/media/video/s5p-mfc/s5p_mfc_ctrls.h new file mode 100644 index 0000000..222ed71 --- /dev/null +++ b/drivers/media/video/s5p-mfc/s5p_mfc_ctrls.h @@ -0,0 +1,173 @@ +/* + * Samsung S5P Multi Format Codec v 5.0 + * + * This file contains description of formats used by MFC and cotrols + * used by the driver. + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * Kamil Debski, <k.debski@xxxxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the + * License, or (at your option) any later version + */ + +#ifndef S5P_MFC_CTRLS_H_ +#define S5P_MFC_CTRLS_H_ + +#include <media/v4l2-ioctl.h> +#include "regs-mfc5.h" + +#define MFC_FMT_DEC 0 +#define MFC_FMT_ENC 1 +#define MFC_FMT_RAW 2 + +struct s5p_mfc_fmt { + char *name; + u32 fourcc; + u32 codec_mode; + u32 type; + u32 num_planes; +}; + +#define MFC_FORMATS_NO_CODEC -1 + +static struct s5p_mfc_fmt formats[] = { + { + .name = "4:2:0 2 Planes 64x32 Tiles", + .fourcc = V4L2_PIX_FMT_NV12MT, + .codec_mode = MFC_FORMATS_NO_CODEC, + .type = MFC_FMT_RAW, + .num_planes = 2, + }, + { + .name = "4:2:0 2 Planes", + .fourcc = V4L2_PIX_FMT_NV12, + .codec_mode = MFC_FORMATS_NO_CODEC, + .type = MFC_FMT_RAW, + .num_planes = 2, + }, + { + .name = "H264 Encoded Stream", + .fourcc = V4L2_PIX_FMT_H264, + .codec_mode = S5P_FIMV_CODEC_H264_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, + { + .name = "H263 Encoded Stream", + .fourcc = V4L2_PIX_FMT_H263, + .codec_mode = S5P_FIMV_CODEC_H263_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, + { + .name = "MPEG1/MPEG2 Encoded Stream", + .fourcc = V4L2_PIX_FMT_MPEG12, + .codec_mode = S5P_FIMV_CODEC_MPEG2_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, + { + .name = "MPEG4 Encoded Stream", + .fourcc = V4L2_PIX_FMT_MPEG4, + .codec_mode = S5P_FIMV_CODEC_MPEG4_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, + { + .name = "DivX Encoded Stream", + .fourcc = V4L2_PIX_FMT_DIVX, + .codec_mode = S5P_FIMV_CODEC_MPEG4_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, + { + .name = "DivX 3.11 Encoded Stream", + .fourcc = V4L2_PIX_FMT_DIVX3, + .codec_mode = S5P_FIMV_CODEC_DIVX311_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, + { + .name = "DivX 4.12 Encoded Stream", + .fourcc = V4L2_PIX_FMT_DIVX4, + .codec_mode = S5P_FIMV_CODEC_DIVX412_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, + { + .name = "DivX 5.00-5.02 Encoded Stream", + .fourcc = V4L2_PIX_FMT_DIVX500, + .codec_mode = S5P_FIMV_CODEC_DIVX502_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, + { + .name = "DivX 5.03 Encoded Stream", + .fourcc = V4L2_PIX_FMT_DIVX503, + .codec_mode = S5P_FIMV_CODEC_DIVX503_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, + { + .name = "XviD Encoded Stream", + .fourcc = V4L2_PIX_FMT_XVID, + .codec_mode = S5P_FIMV_CODEC_MPEG4_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, + { + .name = "VC1 Encoded Stream", + .fourcc = V4L2_PIX_FMT_VC1, + .codec_mode = S5P_FIMV_CODEC_VC1_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, + { + .name = "VC1 RCV Encoded Stream", + .fourcc = V4L2_PIX_FMT_VC1_RCV, + .codec_mode = S5P_FIMV_CODEC_VC1RCV_DEC, + .type = MFC_FMT_DEC, + .num_planes = 1, + }, +}; + +#define NUM_FORMATS ARRAY_SIZE(formats) + +static struct v4l2_queryctrl s5p_mfc_ctrls[] = { +/* For decoding */ + { + .id = V4L2_CID_CODEC_DISPLAY_DELAY, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "", + .minimum = 0, + .maximum = 16383, + .step = 1, + .default_value = 0, + }, + { + .id = V4L2_CID_CODEC_LOOP_FILTER_MPEG4_ENABLE, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Mpeg4 Loop Filter Enable", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + }, + { + .id = V4L2_CID_CODEC_SLICE_INTERFACE, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Slice Interface Enable", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + }, +}; + +#define NUM_CTRLS ARRAY_SIZE(s5p_mfc_ctrls) + +#endif /* S5P_MFC_CTRLS_H_ */ + diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_debug.h b/drivers/media/video/s5p-mfc/s5p_mfc_debug.h new file mode 100644 index 0000000..d6f3109 --- /dev/null +++ b/drivers/media/video/s5p-mfc/s5p_mfc_debug.h @@ -0,0 +1,44 @@ +/* + * drivers/media/video/samsung/mfc5/s5p_mfc_debug.h + * + * Header file for Samsung MFC (Multi Function Codec - FIMV) driver + * This file contains debug macros + * + * Kamil Debski, Copyright (c) 2010 Samsung Electronics + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef S5P_MFC_DEBUG_H_ +#define S5P_MFC_DEBUG_H_ + +#define DEBUG + +#ifdef DEBUG +extern int debug; +/* Debug macro */ +#define mfc_debug(fmt, ...) \ + do { \ + if (debug) \ + dev_dbg(dev->v4l2_dev.dev, fmt, ##__VA_ARGS__); \ + }while (0) + +#else +#define mfc_debug(fmt, ...) +#endif + +#define mfc_err(fmt, ...) \ + do { \ + dev_err(dev->v4l2_dev.dev, fmt, ##__VA_ARGS__); \ + }while (0) + +#define mfc_info(fmt, ...) \ + do { \ + dev_info(dev->v4l2_dev.dev, fmt, ##__VA_ARGS__);\ + }while (0) + +#endif /* S5P_MFC_DEBUG_H_ */ + diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_intr.c b/drivers/media/video/s5p-mfc/s5p_mfc_intr.c new file mode 100644 index 0000000..d91178b --- /dev/null +++ b/drivers/media/video/s5p-mfc/s5p_mfc_intr.c @@ -0,0 +1,88 @@ +/* + * drivers/media/video/samsung/mfc5/s5p_mfc_intr.c + * + * C file for Samsung MFC (Multi Function Codec - FIMV) driver + * This file contains functions used to wait for command completion. + * + * Kamil Debski, Copyright (c) 2010 Samsung Electronics + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/wait.h> +#include <linux/sched.h> +#include <linux/io.h> +#include "regs-mfc5.h" +#include "s5p_mfc_intr.h" +#include "s5p_mfc_common.h" +#include "s5p_mfc_debug.h" + +int s5p_mfc_wait_for_done_dev(struct s5p_mfc_dev *dev, int command) +{ + int ret; + + ret = wait_event_interruptible_timeout(dev->queue, + (dev->int_cond && (dev->int_type == command + || dev->int_type == S5P_FIMV_R2H_CMD_DECODE_ERR_RET)), + msecs_to_jiffies(MFC_INT_TIMEOUT)); + if (ret == 0) { + mfc_err("Interrupt (%d dev) timed out.\n", dev->int_type); + return 1; + } else if (ret == -ERESTARTSYS) { + mfc_err("Interrupted by a signal.\n"); + return 1; + } + mfc_debug("Finished waiting (dev->queue, %d).\n", dev->int_type); + if (dev->int_type == S5P_FIMV_R2H_CMD_ERROR_RET) + return 1; + return 0; +} + +void s5p_mfc_clean_dev_int_flags(struct s5p_mfc_dev *dev) +{ + dev->int_cond = 0; + dev->int_type = 0; + dev->int_err = 0; +} + +int s5p_mfc_wait_for_done_ctx(struct s5p_mfc_ctx *ctx, + int command, int interrupt) +{ + struct s5p_mfc_dev *dev = ctx->dev; + int ret; + + if (interrupt) { + ret = wait_event_interruptible_timeout(ctx->queue, + (ctx->int_cond && (ctx->int_type == command + || ctx->int_type == S5P_FIMV_R2H_CMD_DECODE_ERR_RET)), + msecs_to_jiffies(MFC_INT_TIMEOUT)); + } else { + ret = wait_event_timeout(ctx->queue, + (ctx->int_cond && (ctx->int_type == command + || ctx->int_type == S5P_FIMV_R2H_CMD_DECODE_ERR_RET)), + msecs_to_jiffies(MFC_INT_TIMEOUT)); + } + if (ret == 0) { + mfc_err("Interrupt (%d ctx) timed out.\n", ctx->int_type); + return 1; + } else if (ret == -ERESTARTSYS) { + mfc_err("Interrupted by a signal.\n"); + return 1; + } + mfc_debug("Finished waiting (ctx->queue, %d).\n", ctx->int_type); + if (ctx->int_type == S5P_FIMV_R2H_CMD_ERROR_RET) + return 1; + return 0; +} + +void s5p_mfc_clean_ctx_int_flags(struct s5p_mfc_ctx *ctx) +{ + ctx->int_cond = 0; + ctx->int_type = 0; + ctx->int_err = 0; +} diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_intr.h b/drivers/media/video/s5p-mfc/s5p_mfc_intr.h new file mode 100644 index 0000000..8c531b6 --- /dev/null +++ b/drivers/media/video/s5p-mfc/s5p_mfc_intr.h @@ -0,0 +1,26 @@ +/* + * drivers/media/video/samsung/mfc5/s5p_mfc_intr.h + * + * Header file for Samsung MFC (Multi Function Codec - FIMV) driver + * It contains waiting functions declarations. + * + * Kamil Debski, Copyright (c) 2010 Samsung Electronics + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _S5P_MFC_INTR_H_ +#define _S5P_MFC_INTR_H_ + +#include "s5p_mfc_common.h" + +int s5p_mfc_wait_for_done_ctx(struct s5p_mfc_ctx *ctx, + int command, int interrupt); +int s5p_mfc_wait_for_done_dev(struct s5p_mfc_dev *dev, int command); +void s5p_mfc_clean_ctx_int_flags(struct s5p_mfc_ctx *ctx); +void s5p_mfc_clean_dev_int_flags(struct s5p_mfc_dev *dev); + +#endif /* _S5P_MFC_INTR_H_ */ diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_memory.h b/drivers/media/video/s5p-mfc/s5p_mfc_memory.h new file mode 100644 index 0000000..a7e4009 --- /dev/null +++ b/drivers/media/video/s5p-mfc/s5p_mfc_memory.h @@ -0,0 +1,32 @@ +/* + * drivers/media/video/samsung/mfc5/s5p_mfc_memory.h + * + * Header file for Samsung MFC (Multi Function Codec - FIMV) driver + * Contains memory related defines. + * + * Kamil Debski, Copyright (c) 2010 Samsung Electronics + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef S5P_MFC_MEMORY_H_ +#define S5P_MFC_MEMORY_H_ + +#include "s5p_mfc_common.h" + +#define FIRMWARE_CODE_SIZE 0x60000 /* 384KB */ +#define MFC_H264_INSTANCE_BUF_SIZE 0x96000 /* 600KB per H264 instance */ +#define MFC_INSTANCE_BUF_SIZE 0x2800 /* 10KB per instance */ +#define DESC_BUF_SIZE 0x20000 /* 128KB for DESC buffer */ +#define SHARED_BUF_SIZE 0x01000 /* 4KB for shared buffer */ +#define CPB_BUF_SIZE 0x400000/* 4MB fr decoder */ + +/* Define names for CMA memory kinds used by MFC */ +#define MFC_CMA_BANK1 "a" +#define MFC_CMA_BANK2 "b" +#define MFC_CMA_FW "f" + +#endif /* S5P_MFC_MEMORY_H_ */ diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_opr.c b/drivers/media/video/s5p-mfc/s5p_mfc_opr.c new file mode 100644 index 0000000..d2c1d66 --- /dev/null +++ b/drivers/media/video/s5p-mfc/s5p_mfc_opr.c @@ -0,0 +1,836 @@ +/* + * drivers/media/video/samsung/mfc5/s5p_mfc_opr.c + * + * Samsung MFC (Multi Function Codec - FIMV) driver + * This file contains hw related functions. + * + * Kamil Debski, Copyright (c) 2010 Samsung Electronics + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#define DEBUG + +#include <linux/delay.h> +#include <linux/mm.h> +#include <linux/io.h> +#include <linux/jiffies.h> +#include "regs-mfc5.h" + +#include "s5p_mfc_opr.h" +#include "s5p_mfc_common.h" +#include "s5p_mfc_memory.h" +#include "s5p_mfc_intr.h" +#include "s5p_mfc_debug.h" + +#include <linux/firmware.h> +#include <linux/err.h> +#include <linux/sched.h> +#include <linux/cma.h> + +static size_t s5p_mfc_phys_bitproc_buff; +static unsigned char *s5p_mfc_virt_bitproc_buff; + +/* #define S5P_MFC_DEBUG_REGWRITE */ +#ifdef S5P_MFC_DEBUG_REGWRITE +#undef writel +#define writel(v, r) do { \ + printk(KERN_ERR "MFCWRITE(%p): %08x\n", r, (unsigned int)v); \ + __raw_writel(v, r); } while (0) +#endif /* S5P_MFC_DEBUG_REGWRITE */ + +#define READL(offset) readl(dev->regs_base + (offset)) +#define WRITEL(data, offset) writel((data), dev->regs_base + (offset)) +#define OFFSETA(x) (((x) - dev->port_a) >> 11) +#define OFFSETB(x) (((x) - dev->port_b) >> 11) + +/* Reset the device */ +static int s5p_mfc_cmd_reset(struct s5p_mfc_dev *dev) +{ + unsigned int mc_status; + unsigned long timeout; + + mfc_debug("%s++\n", __func__); + /* Stop procedure */ + WRITEL(0x3f6, S5P_FIMV_SW_RESET); /* reset RISC */ + WRITEL(0x3e2, S5P_FIMV_SW_RESET); /* All reset except for MC */ + mdelay(10); + timeout = jiffies + msecs_to_jiffies(MFC_BW_TIMEOUT); + /* Check MC status */ + do { + if (time_after(jiffies, timeout)) { + mfc_err("Timeout while resetting MFC" + ".\n"); + return -EIO; + } + mc_status = READL(S5P_FIMV_MC_STATUS); + } while (mc_status & 0x3); + WRITEL(0x0, S5P_FIMV_SW_RESET); + WRITEL(0x3fe, S5P_FIMV_SW_RESET); + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Send a command to the MFC */ +static int s5p_mfc_cmd_host2risc(struct s5p_mfc_dev *dev, + struct s5p_mfc_ctx *mfc_ctx, int cmd, int arg) +{ + int cur_cmd; + unsigned long timeout; + + timeout = jiffies + msecs_to_jiffies(MFC_BW_TIMEOUT); + /* wait until host to risc command register becomes 'H2R_CMD_EMPTY' */ + do { + if (time_after(jiffies, timeout)) { + mfc_err("Timeout while waiting for " + "hardware.\n"); + return -EIO; + } + cur_cmd = READL(S5P_FIMV_HOST2RISC_CMD); + } while (cur_cmd != S5P_FIMV_H2R_CMD_EMPTY); + WRITEL(arg, S5P_FIMV_HOST2RISC_ARG1); + if (cmd == S5P_FIMV_H2R_CMD_OPEN_INSTANCE) { + /* No CRC calculation (slow!) */ + WRITEL(0, S5P_FIMV_HOST2RISC_ARG2); + /* Physical addr of the instance buffer */ + WRITEL(OFFSETA(mfc_ctx->instance_phys), + S5P_FIMV_HOST2RISC_ARG3); + /* Size of the instance buffer */ + WRITEL(mfc_ctx->instance_size, S5P_FIMV_HOST2RISC_ARG4); + } + /* Issue the command */ + WRITEL(cmd, S5P_FIMV_HOST2RISC_CMD); + return 0; +} +/* +static void s5p_mfc_cmd_sleep() +{ + WRITEL(-1, S5P_FIMV_CH_ID); + WRITEL(MFC_SLEEP, S5P_FIMV_COMMAND_TYPE); +} +*/ + +/* +static void s5p_mfc_cmd_wakeup() +{ + WRITEL(-1, S5P_FIMV_CH_ID); + WRITEL(MFC_WAKEUP, S5P_FIMV_COMMAND_TYPE); + mdelay(100); +} +*/ + +/* Allocate temporary buffers for decoding */ +int s5p_mfc_alloc_dec_temp_buffers(struct s5p_mfc_ctx *mfc_ctx) +{ + void *desc_virt; + struct s5p_mfc_dev *dev = mfc_ctx->dev; + + mfc_debug("%s++\n", __func__); + mfc_ctx->desc_phys = cma_alloc(mfc_ctx->dev->v4l2_dev.dev, + MFC_CMA_BANK1, DESC_BUF_SIZE, 2048); + if (IS_ERR_VALUE(mfc_ctx->desc_phys)) { + mfc_ctx->desc_phys = 0; + mfc_err("Allocating DESC buffer failed.\n"); + return -ENOMEM; + } + desc_virt = ioremap_nocache(mfc_ctx->desc_phys, DESC_BUF_SIZE); + if (desc_virt == NULL) { + cma_free(mfc_ctx->desc_phys); + mfc_ctx->desc_phys = 0; + mfc_err("Remapping DESC buffer failed.\n"); + return -ENOMEM; + } + /* Zero content of the allocated memory, in future this might be done + * by cma_alloc */ + memset(desc_virt, 0, DESC_BUF_SIZE); + iounmap(desc_virt); + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Release temproary buffers for decoding */ +void s5p_mfc_release_dec_desc_buffer(struct s5p_mfc_ctx *mfc_ctx) +{ + if (mfc_ctx->desc_phys) { + cma_free(mfc_ctx->desc_phys); + mfc_ctx->desc_phys = 0; + } +} + +/* Allocate decoding buffers */ +int s5p_mfc_alloc_dec_buffers(struct s5p_mfc_ctx *mfc_ctx) +{ + unsigned int luma_size, chroma_size, mv_size; + struct s5p_mfc_dev *dev = mfc_ctx->dev; + + mfc_debug("%s++\n", __func__); + luma_size = mfc_ctx->luma_size; + chroma_size = mfc_ctx->chroma_size; + mv_size = mfc_ctx->mv_size; + mfc_debug("Luma size:%d Chroma size:%d MV size:%d\n", + luma_size, chroma_size, mv_size); + /* Codecs have different memory requirements */ + switch (mfc_ctx->codec_mode) { + case S5P_FIMV_CODEC_H264_DEC: + mfc_ctx->port_a_size = + ALIGN(S5P_FIMV_DEC_NB_IP_SIZE + + S5P_FIMV_DEC_VERT_NB_MV_SIZE, 8192); + mfc_ctx->port_b_size = + mfc_ctx->total_dpb_count * ALIGN(mv_size, 8192) * 2; + break; + case S5P_FIMV_CODEC_MPEG4_DEC: + case S5P_FIMV_CODEC_DIVX412_DEC: + case S5P_FIMV_CODEC_DIVX311_DEC: + case S5P_FIMV_CODEC_DIVX502_DEC: + case S5P_FIMV_CODEC_DIVX503_DEC: + mfc_ctx->port_a_size = + ALIGN(S5P_FIMV_DEC_NB_DCAC_SIZE + + S5P_FIMV_DEC_UPNB_MV_SIZE + + S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE + + S5P_FIMV_DEC_STX_PARSER_SIZE + + S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE, 8192); + mfc_ctx->port_b_size = 0; + break; + + case S5P_FIMV_CODEC_VC1RCV_DEC: + case S5P_FIMV_CODEC_VC1_DEC: + mfc_ctx->port_a_size = + ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE + + S5P_FIMV_DEC_UPNB_MV_SIZE + + S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE + + S5P_FIMV_DEC_NB_DCAC_SIZE + + 3 * S5P_FIMV_DEC_VC1_BITPLANE_SIZE, 8192); + mfc_ctx->port_b_size = 0; + break; + + case S5P_FIMV_CODEC_MPEG2_DEC: + mfc_ctx->port_a_size = 0; + mfc_ctx->port_b_size = 0; + break; + case S5P_FIMV_CODEC_H263_DEC: + mfc_ctx->port_a_size = + ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE + + S5P_FIMV_DEC_UPNB_MV_SIZE + + S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE + + S5P_FIMV_DEC_NB_DCAC_SIZE, 8192); + mfc_ctx->port_b_size = 0; + break; + default: + break; + } + + /* Allocate only if memory from bank 1 is necessary */ + if (mfc_ctx->port_a_size > 0) { + mfc_ctx->port_a = cma_alloc(mfc_ctx->dev->v4l2_dev.dev, + MFC_CMA_BANK1, mfc_ctx->port_a_size, 2048); + if (IS_ERR_VALUE(mfc_ctx->port_a)) { + mfc_ctx->port_a = 0; + printk(KERN_ERR + "Buf alloc for decoding failed (port A).\n"); + return -ENOMEM; + } + } + + /* Allocate only if memory from bank 2 is necessary */ + if (mfc_ctx->port_b_size > 0) { + mfc_ctx->port_b = cma_alloc(mfc_ctx->dev->v4l2_dev.dev, + MFC_CMA_BANK2, mfc_ctx->port_b_size, 2048); + if (IS_ERR_VALUE(mfc_ctx->port_b)) { + mfc_ctx->port_b = 0; + mfc_err("Buf alloc for decoding " + "failed (port B).\n"); + return -ENOMEM; + } + } + mfc_debug("%s--\n", __func__); + + return 0; +} + +/* Release buffers allocated for decoding */ +void s5p_mfc_release_dec_buffers(struct s5p_mfc_ctx *mfc_ctx) +{ + if (mfc_ctx->port_a) { + cma_free(mfc_ctx->port_a); + mfc_ctx->port_a = 0; + mfc_ctx->port_a_size = 0; + } + if (mfc_ctx->port_b) { + cma_free(mfc_ctx->port_b); + mfc_ctx->port_b = 0; + mfc_ctx->port_b_size = 0; + } +} + +/* Allocate memory for instance data buffer */ +int s5p_mfc_alloc_instance_buffer(struct s5p_mfc_ctx *mfc_ctx) +{ + void *instance_virt; + struct s5p_mfc_dev *dev = mfc_ctx->dev; + + mfc_debug("%s++\n", __func__); + if (mfc_ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC || + mfc_ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC) + mfc_ctx->instance_size = MFC_H264_INSTANCE_BUF_SIZE; + else + mfc_ctx->instance_size = MFC_INSTANCE_BUF_SIZE; + mfc_ctx->instance_phys = cma_alloc(mfc_ctx->dev->v4l2_dev.dev, \ + MFC_CMA_BANK1, mfc_ctx->instance_size, 2048); + if (IS_ERR_VALUE(mfc_ctx->instance_phys)) { + mfc_ctx->instance_phys = 0; + mfc_err("Allocating instance buffer " + "failed.\n"); + return -ENOMEM; + } + instance_virt = ioremap_nocache(mfc_ctx->instance_phys, + mfc_ctx->instance_size); + if (instance_virt == NULL) { + cma_free(mfc_ctx->instance_phys); + mfc_ctx->instance_phys = 0; + mfc_err("Remapping instance buffer " + "failed.\n"); + return -ENOMEM; + } + /* Zero content of the allocated memory, in future this might be done + * by cma_alloc */ + memset(instance_virt, 0, mfc_ctx->instance_size); + iounmap(instance_virt); + mfc_ctx->shared_phys = cma_alloc(mfc_ctx->dev->v4l2_dev.dev, \ + MFC_CMA_BANK1, SHARED_BUF_SIZE, 2048); + if (IS_ERR_VALUE(mfc_ctx->shared_phys)) { + mfc_ctx->shared_phys = 0; + mfc_err("Allocating shared buffer failed\n"); + cma_free(mfc_ctx->instance_phys); + return -ENOMEM; + } + mfc_ctx->shared_virt = ioremap_nocache(mfc_ctx->shared_phys, + SHARED_BUF_SIZE); + if (!mfc_ctx->shared_virt) { + cma_free(mfc_ctx->instance_phys); + cma_free(mfc_ctx->shared_phys); + mfc_ctx->shared_phys = 0; + mfc_ctx->instance_phys = 0; + return -ENOMEM; + } + /* Zero content of the allocated memory, in future this might be done + * by cma_alloc */ + memset((void *)mfc_ctx->shared_virt, 0, SHARED_BUF_SIZE); + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Release instance buffer */ +void s5p_mfc_release_instance_buffer(struct s5p_mfc_ctx *mfc_ctx) +{ + struct s5p_mfc_dev *dev = mfc_ctx->dev; + + mfc_debug("%s++\n", __func__); + if (mfc_ctx->instance_phys) { + cma_free(mfc_ctx->instance_phys); + mfc_ctx->instance_phys = 0; + } + if (mfc_ctx->shared_virt) { + iounmap(mfc_ctx->shared_virt); + mfc_ctx->shared_virt = 0; + } + if (mfc_ctx->shared_phys) { + cma_free(mfc_ctx->shared_phys); + mfc_ctx->shared_phys = 0; + } + mfc_debug("%s--\n", __func__); +} + +/* Set registers for decoding temporary buffers */ +void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *mfc_ctx) +{ + struct s5p_mfc_dev *dev = mfc_ctx->dev; + + WRITEL(OFFSETA(mfc_ctx->desc_phys), S5P_FIMV_SI_CH0_DESC_ADR); + WRITEL(DESC_BUF_SIZE, S5P_FIMV_SI_CH0_DESC_SIZE); +} + +/* Set registers for shared buffer */ +void s5p_mfc_set_shared_buffer(struct s5p_mfc_ctx *mfc_ctx) +{ + struct s5p_mfc_dev *dev = mfc_ctx->dev; + + WRITEL(mfc_ctx->shared_phys - mfc_ctx->dev->port_a, + S5P_FIMV_SI_CH0_HOST_WR_ADR); +} + +/* Set registers for decoding stream buffer */ +int s5p_mfc_set_dec_stream_buffer(struct s5p_mfc_ctx *mfc_ctx, int buf_addr, + unsigned int start_num_byte, unsigned int buf_size) +{ + struct s5p_mfc_dev *dev = mfc_ctx->dev; + + mfc_debug("%s++\n", __func__); + mfc_debug("inst_no: %d, buf_addr: 0x%08x, buf_size: 0x" + "%08x (%d)\n", mfc_ctx->inst_no, buf_addr, buf_size, buf_size); + if (buf_addr & (2048 - 1)) { + mfc_err("Source stream buffer is not aligned" + " correctly.\n"); + return -EINVAL; + } + WRITEL(OFFSETA(buf_addr), S5P_FIMV_SI_CH0_SB_ST_ADR); + WRITEL(CPB_BUF_SIZE, S5P_FIMV_SI_CH0_CPB_SIZE); + WRITEL(buf_size, S5P_FIMV_SI_CH0_SB_FRM_SIZE); + mfc_debug("Shared_virt: %p (start offset: %d)\n", + mfc_ctx->shared_virt, start_num_byte); + writel(start_num_byte, mfc_ctx->shared_virt \ + + S5P_FIMV_SHARED_START_BYTE_NUM); + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Set decoding frame buffer */ +int s5p_mfc_set_dec_frame_buffer(struct s5p_mfc_ctx *mfc_ctx) +{ + unsigned int frame_size, i; + unsigned int frame_size_ch, frame_size_mv; + struct s5p_mfc_dev *dev = mfc_ctx->dev; + unsigned int dpb; + size_t buf_addr1, buf_addr2; + int buf_size1, buf_size2; + + buf_addr1 = mfc_ctx->port_a; + buf_size1 = mfc_ctx->port_a_size; + buf_addr2 = mfc_ctx->port_b; + buf_size2 = mfc_ctx->port_b_size; + mfc_debug("Buf1: %p (%d) Buf2: %p (%d)\n", + (void *)buf_addr1, buf_size1, (void *)buf_addr2, buf_size2); + mfc_debug("Total DPB COUNT: %d\n", + mfc_ctx->total_dpb_count); + mfc_debug("Setting display delay to %d\n", + mfc_ctx->display_delay); + dpb = READL(S5P_FIMV_SI_CH0_DPB_CONF_CTRL) & 0xFFFF0000; + WRITEL(mfc_ctx->total_dpb_count | dpb, S5P_FIMV_SI_CH0_DPB_CONF_CTRL); + s5p_mfc_set_shared_buffer(mfc_ctx); + switch (mfc_ctx->codec_mode) { + case S5P_FIMV_CODEC_H264_DEC: + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_VERT_NB_MV_ADR); + buf_addr1 += S5P_FIMV_DEC_VERT_NB_MV_SIZE; + buf_size1 -= S5P_FIMV_DEC_VERT_NB_MV_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_VERT_NB_IP_ADR); + buf_addr1 += S5P_FIMV_DEC_NB_IP_SIZE; + buf_size1 -= S5P_FIMV_DEC_NB_IP_SIZE; + break; + case S5P_FIMV_CODEC_MPEG4_DEC: + case S5P_FIMV_CODEC_DIVX311_DEC: + case S5P_FIMV_CODEC_DIVX412_DEC: + case S5P_FIMV_CODEC_DIVX502_DEC: + case S5P_FIMV_CODEC_DIVX503_DEC: + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_NB_DCAC_ADR); + buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE; + buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_UP_NB_MV_ADR); + buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE; + buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_SA_MV_ADR); + buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE; + buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_SP_ADR); + buf_addr1 += S5P_FIMV_DEC_STX_PARSER_SIZE; + buf_size1 -= S5P_FIMV_DEC_STX_PARSER_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_OT_LINE_ADR); + buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE; + buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE; + break; + case S5P_FIMV_CODEC_H263_DEC: + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_OT_LINE_ADR); + buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE; + buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_UP_NB_MV_ADR); + buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE; + buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_SA_MV_ADR); + buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE; + buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_NB_DCAC_ADR); + buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE; + buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE; + break; + case S5P_FIMV_CODEC_VC1_DEC: + case S5P_FIMV_CODEC_VC1RCV_DEC: + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_NB_DCAC_ADR); + buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE; + buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_OT_LINE_ADR); + buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE; + buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_UP_NB_MV_ADR); + buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE; + buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_SA_MV_ADR); + buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE; + buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_BITPLANE3_ADR); + buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE; + buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_BITPLANE2_ADR); + buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE; + buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE; + WRITEL(OFFSETA(buf_addr1), S5P_FIMV_BITPLANE1_ADR); + buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE; + buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE; + break; + case S5P_FIMV_CODEC_MPEG2_DEC: + break; + default: + mfc_err("Unknown codec for decoding (%x).\n", + mfc_ctx->codec_mode); + return -EINVAL; + break; + } + frame_size = mfc_ctx->luma_size; + frame_size_ch = mfc_ctx->chroma_size; + frame_size_mv = mfc_ctx->mv_size; + mfc_debug("Frame size: %d ch: %d mv: %d\n", frame_size, + frame_size_ch, frame_size_mv); + for (i = 0; i < mfc_ctx->total_dpb_count; i++) { + /* Port B */ + mfc_debug("Luma %d: %x\n", i, + mfc_ctx->dec_dst_buf_luma[i]); + WRITEL(OFFSETB(mfc_ctx->dec_dst_buf_luma[i]), + S5P_FIMV_LUMA_ADR + i * 4); + mfc_debug("\tChroma %d: %x\n", i, \ + mfc_ctx->dec_dst_buf_chroma[i]); + WRITEL(OFFSETA(mfc_ctx->dec_dst_buf_chroma[i]), + S5P_FIMV_CHROMA_ADR + i * 4); + if (mfc_ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC) { + mfc_debug("\tBuf2: %x, size: %d\n", + buf_addr2, buf_size2); + WRITEL(OFFSETB(buf_addr2), S5P_FIMV_MV_ADR + i * 4); + buf_addr2 += ALIGN(frame_size_mv, 8192); + buf_size2 -= ALIGN(frame_size_mv, 8192); + } + } + mfc_debug("Buf1: %u, buf_size1: %d\n", buf_addr1, + buf_size1); + mfc_debug("Buf 1/2 size after: %d/%d (frames %d)\n", + buf_size1, buf_size2, mfc_ctx->total_dpb_count); + if (buf_size1 < 0 || buf_size2 < 0) { + mfc_debug("Not enough memory has been " + "allocated.\n"); + return -ENOMEM; + } + writel(frame_size, mfc_ctx->shared_virt \ + + S5P_FIMV_SHARED_LUMA_DPB_SIZE); + writel(frame_size_ch, mfc_ctx->shared_virt \ + + S5P_FIMV_SHARED_CHROMA_DPB_SIZE); + if (mfc_ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC) { + writel(frame_size_mv, mfc_ctx->shared_virt \ + + S5P_FIMV_SHARED_MV_SIZE); + } + WRITEL(((S5P_FIMV_CH_INIT_BUFS << 16) & 0x70000) | (mfc_ctx->inst_no), + S5P_FIMV_SI_CH0_INST_ID); + + mfc_debug("After setting buffers.\n"); + return 0; +} + +/* Allocate firmware */ +int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev) +{ + int err; + struct cma_info mem_info_f, mem_info_a, mem_info_b; + + mfc_debug("%s++\n", __func__); + if (s5p_mfc_phys_bitproc_buff) { + mfc_err("Attempting to allocate firmware " + "when it seems that it is already loaded.\n"); + return -ENOMEM; + } + /* Get memory region information and check if it is correct */ + err = cma_info(&mem_info_f, dev->v4l2_dev.dev, MFC_CMA_FW); + mfc_debug("Area \"%s\" is from %08x to %08x and has " + "size %08x","f", mem_info_f.lower_bound, mem_info_f.upper_bound, + mem_info_f.total_size); + if (err) { + mfc_err("Couldn't get memory information " + " from CMA.\n"); + return -EINVAL; + } + err = cma_info(&mem_info_a, dev->v4l2_dev.dev, MFC_CMA_BANK1); + mfc_debug("Area \"%s\" is from %08x to %08x and has " + "size %08x","a", mem_info_a.lower_bound, mem_info_a.upper_bound, + mem_info_a.total_size); + if (err) { + mfc_err("Couldn't get memory information " + "from CMA.\n"); + return -EINVAL; + } + err = cma_info(&mem_info_b, dev->v4l2_dev.dev, MFC_CMA_BANK2); + mfc_debug("Area \"%s\" is from %08x to %08x and has " + "size %08x","b", mem_info_b.lower_bound, mem_info_b.upper_bound, + mem_info_b.total_size); + if (err) { + mfc_err("Couldn't get memory information " + "from CMA.\n"); + return -EINVAL; + } + if (mem_info_f.upper_bound > mem_info_a.lower_bound) { + mfc_err("Firmware has to be " + "allocated before memory for buffers (bank A).\n"); + return -EINVAL; + } + mfc_debug("Allocating memory for firmware.\n"); + s5p_mfc_phys_bitproc_buff = cma_alloc(dev->v4l2_dev.dev, MFC_CMA_FW, + FIRMWARE_CODE_SIZE, 128 * 1024); + mfc_debug("Phys addr from CMA: %08x\n", + s5p_mfc_phys_bitproc_buff); + if (IS_ERR_VALUE(s5p_mfc_phys_bitproc_buff)) { + s5p_mfc_phys_bitproc_buff = 0; + printk(KERN_ERR "Allocating bitprocessor buffer failed\n"); + return -ENOMEM; + } + if (s5p_mfc_phys_bitproc_buff & 0x0001FFFF) { + mfc_err("The base memory is not aligned to " + "128KB.\n"); + cma_free(s5p_mfc_phys_bitproc_buff); + return -EIO; + } + dev->port_a = s5p_mfc_phys_bitproc_buff; + dev->port_b = mem_info_b.lower_bound; + mfc_debug("Port A: %08x Port B: %08x (FW: %08x size: " + "%08x)\n", dev->port_a, dev->port_b, s5p_mfc_phys_bitproc_buff, + FIRMWARE_CODE_SIZE); + s5p_mfc_virt_bitproc_buff = ioremap_nocache(s5p_mfc_phys_bitproc_buff, + FIRMWARE_CODE_SIZE); + mfc_debug("Virtual address for FW: %08lx\n", + (long unsigned int)s5p_mfc_virt_bitproc_buff); + if (!s5p_mfc_virt_bitproc_buff) { + mfc_err("Bitprocessor memory ioremap " + "failed\n"); + cma_free(s5p_mfc_phys_bitproc_buff); + s5p_mfc_phys_bitproc_buff = 0; + return -EIO;; + } + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Load firmware to MFC */ +int s5p_mfc_load_firmware(struct s5p_mfc_dev *dev) +{ + struct firmware *fw_blob; + int err; + + /* Firmare has to be present as a separate file or compiled + * into kernel. */ + mfc_debug("%s++\n", __func__); + mfc_debug("Requesting fw\n"); + err = request_firmware((const struct firmware **)&fw_blob, + "s5pc110-mfc.fw", dev->v4l2_dev.dev); + mfc_debug("Ret of request_firmware: %d Size: %d\n", + err, fw_blob->size); + if (err != 0) { + mfc_err("Firmware is not present in the " + "/lib/firmware directory nor compiled in kernel.\n"); + return -EINVAL; + } + if (fw_blob->size > FIRMWARE_CODE_SIZE) { + mfc_err("MFC firmware is too big to be " + "loaded.\n"); + release_firmware(fw_blob); + return -ENOMEM; + } + if (s5p_mfc_phys_bitproc_buff == 0 || s5p_mfc_phys_bitproc_buff == 0) { + mfc_err("MFC firmware is not allocated or " + "was not mapped correctly.\n"); + release_firmware(fw_blob); + return -EINVAL; + } + memcpy(s5p_mfc_virt_bitproc_buff, fw_blob->data, fw_blob->size); + release_firmware(fw_blob); + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Release firmware memory */ +int s5p_mfc_release_firmware() +{ + /* Before calling this function one has to make sure + * that MFC is no longer processing */ + if (!s5p_mfc_phys_bitproc_buff) + return -EINVAL; + iounmap(s5p_mfc_virt_bitproc_buff); + s5p_mfc_virt_bitproc_buff = NULL; + cma_free(s5p_mfc_phys_bitproc_buff); + s5p_mfc_phys_bitproc_buff = 0; + return 0; +} + +/* Initialize hardware */ +int s5p_mfc_init_hw(struct s5p_mfc_dev *dev) +{ + int fw_buf_size; + unsigned int fw_version; + int ret; + + mfc_debug("%s++\n", __func__); + mfc_debug("Device pointer: %p\n", dev); + if (!s5p_mfc_phys_bitproc_buff) + return -EINVAL; + /* 0. MFC reset */ + mfc_debug("MFC reset...\n"); + ret = s5p_mfc_cmd_reset(dev); + if (ret) { + mfc_err("Failed to reset MFC - timeout.\n"); + return ret; + } + mfc_debug("Done MFC reset...\n"); + /* 1. Set DRAM base Addr */ + WRITEL(dev->port_a, S5P_FIMV_MC_DRAMBASE_ADR_A); /* channelA, port0 */ + WRITEL(dev->port_b, S5P_FIMV_MC_DRAMBASE_ADR_B); /* channelB, port1 */ + mfc_debug("Port A: %08x, Port B: %08x\n", dev->port_a, + dev->port_b); + /* 2. Initialize registers of stream I/F for decoder */ + WRITEL(0xffffffff, S5P_FIMV_SI_CH0_INST_ID); + WRITEL(0xffffffff, S5P_FIMV_SI_CH1_INST_ID); + WRITEL(0, S5P_FIMV_RISC2HOST_CMD); + WRITEL(0, S5P_FIMV_HOST2RISC_CMD); + /* 3. Release reset signal to the RISC. */ + WRITEL(0x3ff, S5P_FIMV_SW_RESET); + mfc_debug("Will now wait for completion of firmware " + "transfer.\n"); + if (s5p_mfc_wait_for_done_dev(dev, S5P_FIMV_R2H_CMD_FW_STATUS_RET)) { + mfc_err("Failed to load firmware.\n"); + s5p_mfc_clean_dev_int_flags(dev); + return -EIO; + } + s5p_mfc_clean_dev_int_flags(dev); + /* 4. Initialize firmware */ + fw_buf_size = FIRMWARE_CODE_SIZE; + mfc_debug("Writing a command\n"); + ret = s5p_mfc_cmd_host2risc(dev, 0, S5P_FIMV_H2R_CMD_SYS_INIT, + fw_buf_size); + if (ret) { + mfc_err("Failed to send command to MFC - " + "timeout.\n"); + return ret; + } + mfc_debug("Ok, now will write a command to init the " + "system\n"); + if (s5p_mfc_wait_for_done_dev(dev, S5P_FIMV_R2H_CMD_SYS_INIT_RET)) { + mfc_err("Failed to load firmware\n"); + return -EIO; + } + dev->int_cond = 0; + if (dev->int_err != 0 || dev->int_type != + S5P_FIMV_R2H_CMD_SYS_INIT_RET) { + /* Failure. */ + mfc_err("Failed to init firmware - error: %d" + " int: %d.\n",dev->int_err, dev->int_type); + return -EIO; + } + fw_version = READL(S5P_FIMV_FW_VERSION); + mfc_info("MFC FW version : %02xyy, %02xmm, %02xdd\n", + (fw_version >> 16) & 0xff, (fw_version >> 8) & 0xff, + (fw_version) & 0xff); + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Open a new instance and get its number */ +int s5p_mfc_open_inst(struct s5p_mfc_ctx *mfc_ctx) +{ + int ret; + struct s5p_mfc_dev *dev = mfc_ctx->dev; + + mfc_debug("%s++\n", __func__); + mfc_debug("Requested codec mode: %d\n", + mfc_ctx->codec_mode); + ret = s5p_mfc_cmd_host2risc(mfc_ctx->dev, mfc_ctx, \ + S5P_FIMV_H2R_CMD_OPEN_INSTANCE, mfc_ctx->codec_mode); + mfc_debug("%s--\n", __func__); + return ret; +} + +/* Close instance */ +int s5p_mfc_return_inst_no(struct s5p_mfc_ctx *mfc_ctx) +{ + int ret = 0; + struct s5p_mfc_dev *dev = mfc_ctx->dev; + + mfc_debug("%s++\n", __func__); + if (mfc_ctx->state != MFCINST_FREE) { + ret = s5p_mfc_cmd_host2risc(dev, mfc_ctx, + S5P_FIMV_H2R_CMD_CLOSE_INSTANCE, mfc_ctx->inst_no); + } else { + ret = -EINVAL; + } + mfc_debug("%s--\n", __func__); + return ret; +} + +/* Initialize decoding */ +int s5p_mfc_init_decode(struct s5p_mfc_ctx *mfc_ctx) +{ + struct s5p_mfc_dev *dev = mfc_ctx->dev; + + mfc_debug("%s++\n", __func__); + mfc_debug("InstNo: %d/%d\n", mfc_ctx->inst_no, + S5P_FIMV_CH_SEQ_HEADER); + s5p_mfc_set_shared_buffer(mfc_ctx); + mfc_debug("BUFs: %08x %08x %08x %08x %08x\n", + READL(S5P_FIMV_SI_CH0_DESC_ADR), + READL(S5P_FIMV_SI_CH0_CPB_SIZE), + READL(S5P_FIMV_SI_CH0_DESC_SIZE), + READL(S5P_FIMV_SI_CH0_SB_ST_ADR), + READL(S5P_FIMV_SI_CH0_SB_FRM_SIZE)); + /* Setup loop filter, for decoding this is only valid for MPEG4 */ + if (mfc_ctx->codec_mode == S5P_FIMV_CODEC_MPEG4_DEC) { + mfc_debug("Setting loop filter to: %d\n", \ + mfc_ctx->loop_filter_mpeg4); + WRITEL(mfc_ctx->loop_filter_mpeg4, S5P_FIMV_ENC_LF_CTRL); + } else { + WRITEL(0, S5P_FIMV_ENC_LF_CTRL); + } + WRITEL(((mfc_ctx->slice_interface & 1)<<31) | + ((mfc_ctx->display_delay > 0 ? 1 : 0) << 30) | + ((mfc_ctx->display_delay & 0xFF) << 16), + S5P_FIMV_SI_CH0_DPB_CONF_CTRL); + if (mfc_ctx->codec_mode == S5P_FIMV_CODEC_DIVX311_DEC) { + mfc_debug("Setting DivX 3.11 resolution to " + "%dx%d\n", mfc_ctx->img_width, mfc_ctx->img_height); + WRITEL(mfc_ctx->img_width, S5P_FIMV_SI_DIVX311_HRESOL); + WRITEL(mfc_ctx->img_height, S5P_FIMV_SI_DIVX311_VRESOL); + } + WRITEL(((S5P_FIMV_CH_SEQ_HEADER << 16) & 0x70000) | (mfc_ctx->inst_no), + S5P_FIMV_SI_CH0_INST_ID); + mfc_debug("%s--\n", __func__); + return 0; +} + +/* Decode a single frame */ +int s5p_mfc_decode_one_frame(struct s5p_mfc_ctx *mfc_ctx, int last_frame) +{ + struct s5p_mfc_dev *dev = mfc_ctx->dev; + + mfc_debug("Setting flags to %08lx (free:%d WTF:%d)\n", + mfc_ctx->dec_dst_flag, mfc_ctx->dst_queue_cnt, + mfc_ctx->dec_dst_buf_cnt); + WRITEL(mfc_ctx->dec_dst_flag, S5P_FIMV_SI_CH0_RELEASE_BUF); + s5p_mfc_set_shared_buffer(mfc_ctx); + /* Issue different commands to instance basing on whether it + * is the last frame or not. */ + if (!last_frame) + WRITEL((S5P_FIMV_CH_FRAME_START << 16 & 0x70000) | + (mfc_ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID); + else + WRITEL((S5P_FIMV_CH_LAST_FRAME << 16 & 0x70000) | + (mfc_ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID); + mfc_debug("Decoding a usual frame.\n"); + return 0; +} + +/* Deinitialize hardware */ +void s5p_mfc_deinit_hw(struct s5p_mfc_dev *dev) +{ + s5p_mfc_cmd_reset(dev); +} + diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_opr.h b/drivers/media/video/s5p-mfc/s5p_mfc_opr.h new file mode 100644 index 0000000..71dd4fe --- /dev/null +++ b/drivers/media/video/s5p-mfc/s5p_mfc_opr.h @@ -0,0 +1,90 @@ +/* + * drivers/media/video/samsung/mfc5/s5p_mfc_opr.h + * + * Header file for Samsung MFC (Multi Function Codec - FIMV) driver + * Contains declarations of hw related functions. + * + * Kamil Debski, Copyright (c) 2010 Samsung Electronics + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef S5P_MFC_OPR_H_ +#define S5P_MFC_OPR_H_ + +#include "s5p_mfc_common.h" + +int s5p_mfc_release_firmware(void); +int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev); +int s5p_mfc_load_firmware(struct s5p_mfc_dev *dev); +int s5p_mfc_init_hw(struct s5p_mfc_dev *dev); + +int s5p_mfc_init_decode(struct s5p_mfc_ctx *mfc_ctx); +void s5p_mfc_deinit_hw(struct s5p_mfc_dev *dev); +int s5p_mfc_set_sleep(struct s5p_mfc_ctx *mfc_ctx); +int s5p_mfc_set_wakeup(struct s5p_mfc_ctx *mfc_ctx); + +int s5p_mfc_set_dec_frame_buffer(struct s5p_mfc_ctx *mfc_ctx); +int s5p_mfc_set_dec_stream_buffer(struct s5p_mfc_ctx *mfc_ctx, int buf_addr, + unsigned int start_num_byte, + unsigned int buf_size); + +int s5p_mfc_decode_one_frame(struct s5p_mfc_ctx *mfc_ctx, int last_frame); + +/* Instance handling */ +int s5p_mfc_open_inst(struct s5p_mfc_ctx *mfc_ctx); +int s5p_mfc_return_inst_no(struct s5p_mfc_ctx *mfc_ctx); + +/* Memory allocation */ +int s5p_mfc_alloc_dec_temp_buffers(struct s5p_mfc_ctx *mfc_ctx); +void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *mfc_ctx); +void s5p_mfc_release_dec_desc_buffer(struct s5p_mfc_ctx *mfc_ctx); + +int s5p_mfc_alloc_dec_buffers(struct s5p_mfc_ctx *mfc_ctx); +void s5p_mfc_release_dec_buffers(struct s5p_mfc_ctx *mfc_ctx); + +int s5p_mfc_alloc_instance_buffer(struct s5p_mfc_ctx *mfc_ctx); +void s5p_mfc_release_instance_buffer(struct s5p_mfc_ctx *mfc_ctx); + +/* Getting parameters from MFC */ +#define s5p_mfc_get_h_crop(ctx) readl((ctx)->shared_virt + \ + S5P_FIMV_SHARED_CROP_INFO_H) +#define s5p_mfc_get_v_crop(ctx) readl((ctx)->shared_virt + \ + S5P_FIMV_SHARED_CROP_INFO_V) +#define s5p_mfc_get_dspl_y_adr() (readl(dev->regs_base + \ + S5P_FIMV_SI_DISPLAY_Y_ADR) << 11) +#define s5p_mfc_get_dspl_status() readl(dev->regs_base + \ + S5P_FIMV_SI_DISPLAY_STATUS) +#define s5p_mfc_get_frame_type() (readl(dev->regs_base + \ + S5P_FIMV_DECODE_FRAME_TYPE) \ + & S5P_FIMV_DECODE_FRAME_MASK) +#define s5p_mfc_get_consumed_stream() readl(dev->regs_base + \ + S5P_FIMV_SI_CONSUMED_BYTES) +#define s5p_mfc_get_int_reason() (readl(dev->regs_base + \ + S5P_FIMV_RISC2HOST_CMD) & 0x1FFFF) +#define s5p_mfc_get_int_err() readl(dev->regs_base + \ + S5P_FIMV_RISC2HOST_ARG2) +#define s5p_mfc_get_img_width() readl(dev->regs_base + \ + S5P_FIMV_SI_HRESOL) +#define s5p_mfc_get_img_height() readl(dev->regs_base + \ + S5P_FIMV_SI_VRESOL) +#define s5p_mfc_get_dpb_count() readl(dev->regs_base + \ + S5P_FIMV_SI_BUF_NUMBER) +#define s5p_mfc_get_inst_no() readl(dev->regs_base + \ + S5P_FIMV_RISC2HOST_ARG1) +#define s5p_mfc_get_pic_time_top(ctx) readl((ctx)->shared_virt + \ + S5P_FIMV_SHARED_PIC_TIME_TOP) +#define s5p_mfc_get_pic_time_bottom(ctx) readl((ctx)->shared_virt + \ + S5P_FIMV_SHARED_PIC_TIME_BOTTOM) + +/* Interrupt handling routines */ +#define s5p_mfc_clear_int_flags() \ +do { \ + writel(0, dev->regs_base + S5P_FIMV_RISC_HOST_INT); \ + writel(0, dev->regs_base + S5P_FIMV_RISC2HOST_CMD); \ + writel(0xffff, dev->regs_base + S5P_FIMV_SI_RTN_CHID); \ +} while (0) +#endif /* S5P_MFC_OPR_H_ */ -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
