| /* |
| * drivers/amlogic/amports/vmpeg4.c |
| * |
| * Copyright (C) 2015 Amlogic, Inc. All rights reserved. |
| * |
| * 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. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| */ |
| |
| #define DEBUG |
| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/errno.h> |
| #include <linux/interrupt.h> |
| #include <linux/timer.h> |
| #include <linux/kfifo.h> |
| #include <linux/platform_device.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/amlogic/media/utils/amstream.h> |
| #include <linux/amlogic/media/frame_sync/ptsserv.h> |
| #include <linux/amlogic/media/vfm/vframe.h> |
| #include <linux/amlogic/media/vfm/vframe_provider.h> |
| #include <linux/amlogic/media/vfm/vframe_receiver.h> |
| #include <linux/amlogic/media/canvas/canvas.h> |
| #include <linux/amlogic/media/utils/vdec_reg.h> |
| #include "vmpeg4.h" |
| #include <linux/amlogic/media/registers/register.h> |
| #include "../../../stream_input/amports/amports_priv.h" |
| #include "../utils/decoder_mmu_box.h" |
| #include "../utils/decoder_bmmu_box.h" |
| #include <linux/amlogic/media/codec_mm/codec_mm.h> |
| #include <linux/amlogic/media/codec_mm/configs.h> |
| //#include <linux/amlogic/tee.h> |
| #include <uapi/linux/tee.h> |
| #include "../../../common/chips/decoder_cpu_ver_info.h" |
| |
| |
| |
| /* #define CONFIG_AM_VDEC_MPEG4_LOG */ |
| #ifdef CONFIG_AM_VDEC_MPEG4_LOG |
| #define AMLOG |
| #define LOG_LEVEL_VAR amlog_level_vmpeg4 |
| #define LOG_MASK_VAR amlog_mask_vmpeg4 |
| #define LOG_LEVEL_ERROR 0 |
| #define LOG_LEVEL_INFO 1 |
| #define LOG_LEVEL_DESC "0:ERROR, 1:INFO" |
| #define LOG_MASK_PTS 0x01 |
| #define LOG_MASK_DESC "0x01:DEBUG_PTS" |
| #endif |
| |
| #include <linux/amlogic/media/utils/amlog.h> |
| |
| MODULE_AMLOG(LOG_LEVEL_ERROR, 0, LOG_LEVEL_DESC, LOG_DEFAULT_MASK_DESC); |
| |
| #include "../utils/amvdec.h" |
| #include "../utils/vdec.h" |
| #include "../utils/firmware.h" |
| |
| #define DRIVER_NAME "amvdec_mpeg4" |
| #define MODULE_NAME "amvdec_mpeg4" |
| |
| #define DEBUG_PTS |
| |
| /* /#if MESON_CPU_TYPE >= MESON_CPU_TYPE_MESON6 */ |
| #define NV21 |
| /* /#endif */ |
| |
| #define I_PICTURE 0 |
| #define P_PICTURE 1 |
| #define B_PICTURE 2 |
| |
| #define ORI_BUFFER_START_ADDR 0x01000000 |
| |
| #define INTERLACE_FLAG 0x80 |
| #define TOP_FIELD_FIRST_FLAG 0x40 |
| |
| /* protocol registers */ |
| #define MP4_PIC_RATIO AV_SCRATCH_5 |
| #define MP4_RATE AV_SCRATCH_3 |
| #define MP4_ERR_COUNT AV_SCRATCH_6 |
| #define MP4_PIC_WH AV_SCRATCH_7 |
| #define MREG_BUFFERIN AV_SCRATCH_8 |
| #define MREG_BUFFEROUT AV_SCRATCH_9 |
| #define MP4_NOT_CODED_CNT AV_SCRATCH_A |
| #define MP4_VOP_TIME_INC AV_SCRATCH_B |
| #define MP4_OFFSET_REG AV_SCRATCH_C |
| #define MP4_SYS_RATE AV_SCRATCH_E |
| #define MEM_OFFSET_REG AV_SCRATCH_F |
| |
| #define PARC_FORBIDDEN 0 |
| #define PARC_SQUARE 1 |
| #define PARC_CIF 2 |
| #define PARC_10_11 3 |
| #define PARC_16_11 4 |
| #define PARC_40_33 5 |
| #define PARC_RESERVED 6 |
| /* values between 6 and 14 are reserved */ |
| #define PARC_EXTENDED 15 |
| |
| #define VF_POOL_SIZE 32 |
| #define DECODE_BUFFER_NUM_MAX 8 |
| #define PUT_INTERVAL (HZ/100) |
| #define WORKSPACE_SIZE (1 * SZ_1M) |
| #define MAX_BMMU_BUFFER_NUM (DECODE_BUFFER_NUM_MAX + 1) |
| #define DCAC_BUFF_START_IP 0x02b00000 |
| |
| |
| #define RATE_DETECT_COUNT 5 |
| #define DURATION_UNIT 96000 |
| #define PTS_UNIT 90000 |
| |
| #define DUR2PTS(x) ((x) - ((x) >> 4)) |
| |
| #define MAX_MPEG4_SUPPORT_SIZE (1920*1088) |
| |
| static struct vframe_s *vmpeg_vf_peek(void *); |
| static struct vframe_s *vmpeg_vf_get(void *); |
| static void vmpeg_vf_put(struct vframe_s *, void *); |
| static int vmpeg_vf_states(struct vframe_states *states, void *); |
| static int vmpeg_event_cb(int type, void *data, void *private_data); |
| |
| static int vmpeg4_prot_init(void); |
| static void vmpeg4_local_init(void); |
| |
| static const char vmpeg4_dec_id[] = "vmpeg4-dev"; |
| |
| #define PROVIDER_NAME "decoder.mpeg4" |
| |
| struct vdec_s *vdec = NULL; |
| |
| /* |
| *int query_video_status(int type, int *value); |
| */ |
| static const struct vframe_operations_s vmpeg_vf_provider = { |
| .peek = vmpeg_vf_peek, |
| .get = vmpeg_vf_get, |
| .put = vmpeg_vf_put, |
| .event_cb = vmpeg_event_cb, |
| .vf_states = vmpeg_vf_states, |
| }; |
| static void *mm_blk_handle; |
| static struct vframe_provider_s vmpeg_vf_prov; |
| |
| static DECLARE_KFIFO(newframe_q, struct vframe_s *, VF_POOL_SIZE); |
| static DECLARE_KFIFO(display_q, struct vframe_s *, VF_POOL_SIZE); |
| static DECLARE_KFIFO(recycle_q, struct vframe_s *, VF_POOL_SIZE); |
| |
| static struct vframe_s vfpool[VF_POOL_SIZE]; |
| static s32 vfbuf_use[DECODE_BUFFER_NUM_MAX]; |
| static u32 frame_width, frame_height, frame_dur, frame_prog; |
| static u32 saved_resolution; |
| static struct timer_list recycle_timer; |
| static u32 stat; |
| static u32 buf_size = 32 * 1024 * 1024; |
| static u32 buf_offset; |
| static u32 vmpeg4_ratio; |
| static u64 vmpeg4_ratio64; |
| static u32 rate_detect; |
| static u32 vmpeg4_rotation; |
| static u32 fr_hint_status; |
| |
| static u32 total_frame; |
| static u32 last_vop_time_inc, last_duration; |
| static u32 last_anch_pts, vop_time_inc_since_last_anch, |
| frame_num_since_last_anch; |
| static u64 last_anch_pts_us64; |
| static struct vdec_info *gvs; |
| |
| #ifdef CONFIG_AM_VDEC_MPEG4_LOG |
| u32 pts_hit, pts_missed, pts_i_hit, pts_i_missed; |
| #endif |
| |
| static struct work_struct reset_work; |
| static struct work_struct notify_work; |
| static struct work_struct set_clk_work; |
| static bool is_reset; |
| |
| static DEFINE_SPINLOCK(lock); |
| |
| static struct dec_sysinfo vmpeg4_amstream_dec_info; |
| |
| static unsigned char aspect_ratio_table[16] = { |
| PARC_FORBIDDEN, |
| PARC_SQUARE, |
| PARC_CIF, |
| PARC_10_11, |
| PARC_16_11, |
| PARC_40_33, |
| PARC_RESERVED, PARC_RESERVED, PARC_RESERVED, PARC_RESERVED, |
| PARC_RESERVED, PARC_RESERVED, PARC_RESERVED, PARC_RESERVED, |
| PARC_RESERVED, PARC_EXTENDED |
| }; |
| |
| static inline u32 index2canvas(u32 index) |
| { |
| const u32 canvas_tab[8] = { |
| #ifdef NV21 |
| 0x010100, 0x030302, 0x050504, 0x070706, |
| 0x090908, 0x0b0b0a, 0x0d0d0c, 0x0f0f0e |
| #else |
| 0x020100, 0x050403, 0x080706, 0x0b0a09, |
| 0x0e0d0c, 0x11100f, 0x141312, 0x171615 |
| #endif |
| }; |
| |
| return canvas_tab[index]; |
| } |
| |
| static void set_aspect_ratio(struct vframe_s *vf, unsigned int pixel_ratio) |
| { |
| int ar = 0; |
| unsigned int num = 0; |
| unsigned int den = 0; |
| |
| if (vmpeg4_ratio64 != 0) { |
| num = vmpeg4_ratio64 >> 32; |
| den = vmpeg4_ratio64 & 0xffffffff; |
| } else { |
| num = vmpeg4_ratio >> 16; |
| den = vmpeg4_ratio & 0xffff; |
| |
| } |
| if ((num == 0) || (den == 0)) { |
| num = 1; |
| den = 1; |
| } |
| |
| if (vmpeg4_ratio == 0) { |
| vf->ratio_control |= (0x90 << DISP_RATIO_ASPECT_RATIO_BIT); |
| /* always stretch to 16:9 */ |
| } else if (pixel_ratio > 0x0f) { |
| num = (pixel_ratio >> 8) * |
| vmpeg4_amstream_dec_info.width * num; |
| ar = div_u64((pixel_ratio & 0xff) * |
| vmpeg4_amstream_dec_info.height * den * 0x100ULL + |
| (num >> 1), num); |
| } else { |
| switch (aspect_ratio_table[pixel_ratio]) { |
| case 0: |
| num = vmpeg4_amstream_dec_info.width * num; |
| ar = (vmpeg4_amstream_dec_info.height * den * 0x100 + |
| (num >> 1)) / num; |
| break; |
| case 1: |
| num = vf->width * num; |
| ar = (vf->height * den * 0x100 + (num >> 1)) / num; |
| break; |
| case 2: |
| num = (vf->width * 12) * num; |
| ar = (vf->height * den * 0x100 * 11 + |
| ((num) >> 1)) / num; |
| break; |
| case 3: |
| num = (vf->width * 10) * num; |
| ar = (vf->height * den * 0x100 * 11 + (num >> 1)) / |
| num; |
| break; |
| case 4: |
| num = (vf->width * 16) * num; |
| ar = (vf->height * den * 0x100 * 11 + (num >> 1)) / |
| num; |
| break; |
| case 5: |
| num = (vf->width * 40) * num; |
| ar = (vf->height * den * 0x100 * 33 + (num >> 1)) / |
| num; |
| break; |
| default: |
| num = vf->width * num; |
| ar = (vf->height * den * 0x100 + (num >> 1)) / num; |
| break; |
| } |
| } |
| |
| ar = min(ar, DISP_RATIO_ASPECT_RATIO_MAX); |
| |
| vf->ratio_control = (ar << DISP_RATIO_ASPECT_RATIO_BIT); |
| } |
| |
| static irqreturn_t vmpeg4_isr(int irq, void *dev_id) |
| { |
| u32 reg; |
| struct vframe_s *vf = NULL; |
| u32 picture_type; |
| u32 buffer_index; |
| u32 pts, pts_valid = 0, offset = 0; |
| u64 pts_us64 = 0; |
| u32 rate, vop_time_inc, repeat_cnt, duration = 3200; |
| u32 frame_size; |
| |
| reg = READ_VREG(MREG_BUFFEROUT); |
| |
| if (reg) { |
| buffer_index = reg & 0x7; |
| picture_type = (reg >> 3) & 7; |
| rate = READ_VREG(MP4_RATE); |
| repeat_cnt = READ_VREG(MP4_NOT_CODED_CNT); |
| vop_time_inc = READ_VREG(MP4_VOP_TIME_INC); |
| |
| if (buffer_index >= DECODE_BUFFER_NUM_MAX) { |
| pr_err("fatal error, invalid buffer index."); |
| return IRQ_HANDLED; |
| } |
| |
| if (vmpeg4_amstream_dec_info.width == 0) { |
| vmpeg4_amstream_dec_info.width = |
| READ_VREG(MP4_PIC_WH) >> 16; |
| } |
| #if 0 |
| else { |
| pr_info("info width = %d, ucode width = %d\n", |
| vmpeg4_amstream_dec_info.width, |
| READ_VREG(MP4_PIC_WH) >> 16); |
| } |
| #endif |
| |
| if (vmpeg4_amstream_dec_info.height == 0) { |
| vmpeg4_amstream_dec_info.height = |
| READ_VREG(MP4_PIC_WH) & 0xffff; |
| } |
| #if 0 |
| else { |
| pr_info("info height = %d, ucode height = %d\n", |
| vmpeg4_amstream_dec_info.height, |
| READ_VREG(MP4_PIC_WH) & 0xffff); |
| } |
| #endif |
| if (vmpeg4_amstream_dec_info.rate == 0 |
| || vmpeg4_amstream_dec_info.rate > 96000) { |
| /* if ((rate >> 16) != 0) { */ |
| if ((rate & 0xffff) != 0 && (rate >> 16) != 0) { |
| vmpeg4_amstream_dec_info.rate = |
| (rate >> 16) * DURATION_UNIT / |
| (rate & 0xffff); |
| duration = vmpeg4_amstream_dec_info.rate; |
| if (fr_hint_status == VDEC_NEED_HINT) { |
| schedule_work(¬ify_work); |
| fr_hint_status = VDEC_HINTED; |
| } |
| } else if (rate_detect < RATE_DETECT_COUNT) { |
| if (vop_time_inc < last_vop_time_inc) { |
| duration = |
| vop_time_inc + rate - |
| last_vop_time_inc; |
| } else { |
| duration = |
| vop_time_inc - last_vop_time_inc; |
| } |
| |
| if (duration == last_duration) { |
| rate_detect++; |
| if (rate_detect >= RATE_DETECT_COUNT) { |
| vmpeg4_amstream_dec_info.rate = |
| duration * DURATION_UNIT / |
| rate; |
| duration = |
| vmpeg4_amstream_dec_info.rate; |
| } |
| } else |
| rate_detect = 0; |
| |
| last_duration = duration; |
| } |
| } else { |
| duration = vmpeg4_amstream_dec_info.rate; |
| #if 0 |
| pr_info("info rate = %d, ucode rate = 0x%x:0x%x\n", |
| vmpeg4_amstream_dec_info.rate, |
| READ_VREG(MP4_RATE), vop_time_inc); |
| #endif |
| } |
| |
| if ((picture_type == I_PICTURE) || |
| (picture_type == P_PICTURE)) { |
| offset = READ_VREG(MP4_OFFSET_REG); |
| /*2500-->3000,because some mpeg4 |
| *video may checkout failed; |
| *may have av sync problem.can changed small later. |
| *263 may need small? |
| */ |
| if (pts_lookup_offset_us64 |
| (PTS_TYPE_VIDEO, offset, &pts, |
| &frame_size, 3000, |
| &pts_us64) == 0) { |
| pts_valid = 1; |
| last_anch_pts = pts; |
| last_anch_pts_us64 = pts_us64; |
| #ifdef CONFIG_AM_VDEC_MPEG4_LOG |
| pts_hit++; |
| #endif |
| } else { |
| #ifdef CONFIG_AM_VDEC_MPEG4_LOG |
| pts_missed++; |
| #endif |
| } |
| #ifdef CONFIG_AM_VDEC_MPEG4_LOG |
| amlog_mask(LOG_MASK_PTS, |
| "I offset 0x%x, pts_valid %d pts=0x%x\n", |
| offset, pts_valid, pts); |
| #endif |
| } |
| |
| if (pts_valid) { |
| last_anch_pts = pts; |
| last_anch_pts_us64 = pts_us64; |
| frame_num_since_last_anch = 0; |
| vop_time_inc_since_last_anch = 0; |
| } else { |
| pts = last_anch_pts; |
| pts_us64 = last_anch_pts_us64; |
| |
| if ((rate != 0) && ((rate >> 16) == 0) |
| && vmpeg4_amstream_dec_info.rate == 0) { |
| /* variable PTS rate */ |
| /*bug on variable pts calc, |
| *do as dixed vop first if we |
| *have rate setting before. |
| */ |
| if (vop_time_inc > last_vop_time_inc) { |
| vop_time_inc_since_last_anch += |
| vop_time_inc - last_vop_time_inc; |
| } else { |
| vop_time_inc_since_last_anch += |
| vop_time_inc + rate - |
| last_vop_time_inc; |
| } |
| |
| pts += vop_time_inc_since_last_anch * |
| PTS_UNIT / rate; |
| pts_us64 += div_u64((u64)(vop_time_inc_since_last_anch * |
| PTS_UNIT / rate) * 100, 9); |
| |
| if (vop_time_inc_since_last_anch > (1 << 14)) { |
| /* avoid overflow */ |
| last_anch_pts = pts; |
| last_anch_pts_us64 = pts_us64; |
| vop_time_inc_since_last_anch = 0; |
| } |
| } else { |
| /* fixed VOP rate */ |
| frame_num_since_last_anch++; |
| pts += DUR2PTS(frame_num_since_last_anch * |
| vmpeg4_amstream_dec_info.rate); |
| pts_us64 += DUR2PTS(frame_num_since_last_anch * |
| vmpeg4_amstream_dec_info.rate) * |
| 100 / 9; |
| |
| if (frame_num_since_last_anch > (1 << 15)) { |
| /* avoid overflow */ |
| last_anch_pts = pts; |
| last_anch_pts_us64 = pts_us64; |
| frame_num_since_last_anch = 0; |
| } |
| } |
| } |
| |
| if (reg & INTERLACE_FLAG) { /* interlace */ |
| if (kfifo_get(&newframe_q, &vf) == 0) { |
| printk |
| ("fatal error, no available buffer slot."); |
| return IRQ_HANDLED; |
| } |
| vf->signal_type = 0; |
| vf->index = buffer_index; |
| vf->width = vmpeg4_amstream_dec_info.width; |
| vf->height = vmpeg4_amstream_dec_info.height; |
| vf->bufWidth = 1920; |
| vf->flag = 0; |
| vf->orientation = vmpeg4_rotation; |
| vf->pts = pts; |
| vf->pts_us64 = pts_us64; |
| vf->duration = duration >> 1; |
| vf->duration_pulldown = 0; |
| vf->type = (reg & TOP_FIELD_FIRST_FLAG) ? |
| VIDTYPE_INTERLACE_TOP : |
| VIDTYPE_INTERLACE_BOTTOM; |
| #ifdef NV21 |
| vf->type |= VIDTYPE_VIU_NV21; |
| #endif |
| vf->canvas0Addr = vf->canvas1Addr = |
| index2canvas(buffer_index); |
| vf->type_original = vf->type; |
| |
| set_aspect_ratio(vf, READ_VREG(MP4_PIC_RATIO)); |
| |
| vfbuf_use[buffer_index]++; |
| vf->mem_handle = |
| decoder_bmmu_box_get_mem_handle( |
| mm_blk_handle, |
| buffer_index); |
| |
| kfifo_put(&display_q, (const struct vframe_s *)vf); |
| ATRACE_COUNTER(MODULE_NAME, vf->pts); |
| |
| vf_notify_receiver(PROVIDER_NAME, |
| VFRAME_EVENT_PROVIDER_VFRAME_READY, |
| NULL); |
| |
| if (kfifo_get(&newframe_q, &vf) == 0) { |
| printk( |
| "fatal error, no available buffer slot."); |
| return IRQ_HANDLED; |
| } |
| vf->signal_type = 0; |
| vf->index = buffer_index; |
| vf->width = vmpeg4_amstream_dec_info.width; |
| vf->height = vmpeg4_amstream_dec_info.height; |
| vf->bufWidth = 1920; |
| vf->flag = 0; |
| vf->orientation = vmpeg4_rotation; |
| |
| vf->pts = 0; |
| vf->pts_us64 = 0; |
| vf->duration = duration >> 1; |
| |
| vf->duration_pulldown = 0; |
| vf->type = (reg & TOP_FIELD_FIRST_FLAG) ? |
| VIDTYPE_INTERLACE_BOTTOM : VIDTYPE_INTERLACE_TOP; |
| #ifdef NV21 |
| vf->type |= VIDTYPE_VIU_NV21; |
| #endif |
| vf->canvas0Addr = vf->canvas1Addr = |
| index2canvas(buffer_index); |
| vf->type_original = vf->type; |
| |
| set_aspect_ratio(vf, READ_VREG(MP4_PIC_RATIO)); |
| |
| vfbuf_use[buffer_index]++; |
| vf->mem_handle = |
| decoder_bmmu_box_get_mem_handle( |
| mm_blk_handle, |
| buffer_index); |
| |
| amlog_mask(LOG_MASK_PTS, |
| "[%s:%d] [inte] dur=0x%x rate=%d picture_type=%d\n", |
| __func__, __LINE__, vf->duration, |
| vmpeg4_amstream_dec_info.rate, picture_type); |
| |
| kfifo_put(&display_q, (const struct vframe_s *)vf); |
| ATRACE_COUNTER(MODULE_NAME, vf->pts); |
| |
| vf_notify_receiver(PROVIDER_NAME, |
| VFRAME_EVENT_PROVIDER_VFRAME_READY, |
| NULL); |
| |
| } else { /* progressive */ |
| if (kfifo_get(&newframe_q, &vf) == 0) { |
| printk |
| ("fatal error, no available buffer slot."); |
| return IRQ_HANDLED; |
| } |
| vf->signal_type = 0; |
| vf->index = buffer_index; |
| vf->width = vmpeg4_amstream_dec_info.width; |
| vf->height = vmpeg4_amstream_dec_info.height; |
| vf->bufWidth = 1920; |
| vf->flag = 0; |
| vf->orientation = vmpeg4_rotation; |
| vf->pts = pts; |
| vf->pts_us64 = pts_us64; |
| vf->duration = duration; |
| vf->duration_pulldown = repeat_cnt * duration; |
| #ifdef NV21 |
| vf->type = |
| VIDTYPE_PROGRESSIVE | VIDTYPE_VIU_FIELD | |
| VIDTYPE_VIU_NV21; |
| #else |
| vf->type = VIDTYPE_PROGRESSIVE | VIDTYPE_VIU_FIELD; |
| #endif |
| vf->canvas0Addr = vf->canvas1Addr = |
| index2canvas(buffer_index); |
| vf->type_original = vf->type; |
| |
| set_aspect_ratio(vf, READ_VREG(MP4_PIC_RATIO)); |
| |
| amlog_mask(LOG_MASK_PTS, |
| "[%s:%d] [prog] dur=0x%x rate=%d picture_type=%d\n", |
| __func__, __LINE__, vf->duration, |
| vmpeg4_amstream_dec_info.rate, picture_type); |
| |
| vfbuf_use[buffer_index]++; |
| vf->mem_handle = |
| decoder_bmmu_box_get_mem_handle( |
| mm_blk_handle, |
| buffer_index); |
| |
| kfifo_put(&display_q, (const struct vframe_s *)vf); |
| ATRACE_COUNTER(MODULE_NAME, vf->pts); |
| |
| vf_notify_receiver(PROVIDER_NAME, |
| VFRAME_EVENT_PROVIDER_VFRAME_READY, |
| NULL); |
| } |
| |
| total_frame += repeat_cnt + 1; |
| |
| WRITE_VREG(MREG_BUFFEROUT, 0); |
| |
| last_vop_time_inc = vop_time_inc; |
| |
| /*count info*/ |
| gvs->frame_dur = duration; |
| vdec_count_info(gvs, 0, offset); |
| } |
| |
| WRITE_VREG(ASSIST_MBOX1_CLR_REG, 1); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static struct vframe_s *vmpeg_vf_peek(void *op_arg) |
| { |
| struct vframe_s *vf; |
| |
| if (kfifo_peek(&display_q, &vf)) |
| return vf; |
| |
| return NULL; |
| } |
| |
| static struct vframe_s *vmpeg_vf_get(void *op_arg) |
| { |
| struct vframe_s *vf; |
| |
| if (kfifo_get(&display_q, &vf)) |
| return vf; |
| |
| return NULL; |
| } |
| |
| static void vmpeg_vf_put(struct vframe_s *vf, void *op_arg) |
| { |
| kfifo_put(&recycle_q, (const struct vframe_s *)vf); |
| } |
| |
| static int vmpeg_event_cb(int type, void *data, void *private_data) |
| { |
| if (type & VFRAME_EVENT_RECEIVER_RESET) { |
| unsigned long flags; |
| |
| amvdec_stop(); |
| #ifndef CONFIG_AMLOGIC_POST_PROCESS_MANAGER |
| vf_light_unreg_provider(&vmpeg_vf_prov); |
| #endif |
| spin_lock_irqsave(&lock, flags); |
| vmpeg4_local_init(); |
| vmpeg4_prot_init(); |
| spin_unlock_irqrestore(&lock, flags); |
| #ifndef CONFIG_AMLOGIC_POST_PROCESS_MANAGER |
| vf_reg_provider(&vmpeg_vf_prov); |
| #endif |
| amvdec_start(); |
| } |
| |
| if (type & VFRAME_EVENT_RECEIVER_REQ_STATE) { |
| struct provider_state_req_s *req = |
| (struct provider_state_req_s *)data; |
| if (req->req_type == REQ_STATE_SECURE && vdec) |
| req->req_result[0] = vdec_secure(vdec); |
| else |
| req->req_result[0] = 0xffffffff; |
| } |
| return 0; |
| } |
| |
| static int vmpeg_vf_states(struct vframe_states *states, void *op_arg) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&lock, flags); |
| |
| states->vf_pool_size = VF_POOL_SIZE; |
| states->buf_free_num = kfifo_len(&newframe_q); |
| states->buf_avail_num = kfifo_len(&display_q); |
| states->buf_recycle_num = kfifo_len(&recycle_q); |
| |
| spin_unlock_irqrestore(&lock, flags); |
| |
| return 0; |
| } |
| |
| static void vmpeg4_notify_work(struct work_struct *work) |
| { |
| pr_info("frame duration changed %d\n", vmpeg4_amstream_dec_info.rate); |
| vf_notify_receiver(PROVIDER_NAME, |
| VFRAME_EVENT_PROVIDER_FR_HINT, |
| (void *) |
| ((unsigned long) |
| vmpeg4_amstream_dec_info.rate)); |
| return; |
| } |
| |
| static void reset_do_work(struct work_struct *work) |
| { |
| unsigned long flags; |
| |
| amvdec_stop(); |
| #ifndef CONFIG_AMLOGIC_POST_PROCESS_MANAGER |
| vf_light_unreg_provider(&vmpeg_vf_prov); |
| #endif |
| spin_lock_irqsave(&lock, flags); |
| vmpeg4_local_init(); |
| vmpeg4_prot_init(); |
| spin_unlock_irqrestore(&lock, flags); |
| #ifndef CONFIG_AMLOGIC_POST_PROCESS_MANAGER |
| vf_reg_provider(&vmpeg_vf_prov); |
| #endif |
| amvdec_start(); |
| } |
| |
| static void vmpeg4_set_clk(struct work_struct *work) |
| { |
| int fps = 96000 / frame_dur; |
| |
| saved_resolution = frame_width * frame_height * fps; |
| vdec_source_changed(VFORMAT_MPEG4, |
| frame_width, frame_height, fps); |
| } |
| |
| static void vmpeg_put_timer_func(struct timer_list *timer) |
| { |
| while (!kfifo_is_empty(&recycle_q) && (READ_VREG(MREG_BUFFERIN) == 0)) { |
| struct vframe_s *vf; |
| |
| if (kfifo_get(&recycle_q, &vf)) { |
| if ((vf->index < DECODE_BUFFER_NUM_MAX) |
| && (--vfbuf_use[vf->index] == 0)) { |
| WRITE_VREG(MREG_BUFFERIN, ~(1 << vf->index)); |
| vf->index = DECODE_BUFFER_NUM_MAX; |
| } |
| kfifo_put(&newframe_q, (const struct vframe_s *)vf); |
| } |
| } |
| |
| if (frame_dur > 0 && saved_resolution != |
| frame_width * frame_height * (96000 / frame_dur)) |
| schedule_work(&set_clk_work); |
| |
| if (READ_VREG(AV_SCRATCH_L)) { |
| pr_info("mpeg4 fatal error happened,need reset !!\n"); |
| schedule_work(&reset_work); |
| } |
| |
| |
| timer->expires = jiffies + PUT_INTERVAL; |
| |
| add_timer(timer); |
| } |
| |
| int vmpeg4_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus) |
| { |
| if (!(stat & STAT_VDEC_RUN)) |
| return -1; |
| |
| vstatus->frame_width = vmpeg4_amstream_dec_info.width; |
| vstatus->frame_height = vmpeg4_amstream_dec_info.height; |
| if (0 != vmpeg4_amstream_dec_info.rate) |
| vstatus->frame_rate = |
| DURATION_UNIT / vmpeg4_amstream_dec_info.rate; |
| else |
| vstatus->frame_rate = -1; |
| vstatus->error_count = READ_VREG(MP4_ERR_COUNT); |
| vstatus->status = stat; |
| vstatus->bit_rate = gvs->bit_rate; |
| vstatus->frame_dur = frame_dur; |
| vstatus->frame_data = gvs->frame_data; |
| vstatus->total_data = gvs->total_data; |
| vstatus->frame_count = gvs->frame_count; |
| vstatus->error_frame_count = gvs->error_frame_count; |
| vstatus->drop_frame_count = gvs->drop_frame_count; |
| vstatus->total_data = gvs->total_data; |
| vstatus->samp_cnt = gvs->samp_cnt; |
| vstatus->offset = gvs->offset; |
| snprintf(vstatus->vdec_name, sizeof(vstatus->vdec_name), |
| "%s", DRIVER_NAME); |
| |
| return 0; |
| } |
| |
| int vmpeg4_set_isreset(struct vdec_s *vdec, int isreset) |
| { |
| is_reset = isreset; |
| return 0; |
| } |
| |
| static int vmpeg4_vdec_info_init(void) |
| { |
| gvs = kzalloc(sizeof(struct vdec_info), GFP_KERNEL); |
| if (NULL == gvs) { |
| pr_info("the struct of vdec status malloc failed.\n"); |
| return -ENOMEM; |
| } |
| return 0; |
| } |
| |
| /****************************************/ |
| static int vmpeg4_canvas_init(void) |
| { |
| int i, ret; |
| u32 canvas_width, canvas_height; |
| unsigned long buf_start; |
| u32 alloc_size, decbuf_size, decbuf_y_size, decbuf_uv_size; |
| |
| if (buf_size <= 0x00400000) { |
| /* SD only */ |
| canvas_width = 768; |
| canvas_height = 576; |
| decbuf_y_size = 0x80000; |
| decbuf_uv_size = 0x20000; |
| decbuf_size = 0x100000; |
| } else { |
| int w = vmpeg4_amstream_dec_info.width; |
| int h = vmpeg4_amstream_dec_info.height; |
| int align_w, align_h; |
| int max, min; |
| |
| align_w = ALIGN(w, 64); |
| align_h = ALIGN(h, 64); |
| if (align_w > align_h) { |
| max = align_w; |
| min = align_h; |
| } else { |
| max = align_h; |
| min = align_w; |
| } |
| /* HD & SD */ |
| if ((max > 1920 || min > 1088) && |
| ALIGN(align_w * align_h * 3/2, SZ_64K) * 9 <= |
| buf_size) { |
| canvas_width = align_w; |
| canvas_height = align_h; |
| decbuf_y_size = ALIGN(align_w * align_h, SZ_64K); |
| decbuf_uv_size = ALIGN(align_w * align_h/4, SZ_64K); |
| decbuf_size = ALIGN(align_w * align_h * 3/2, SZ_64K); |
| } else { /*1080p*/ |
| if (h > w) { |
| canvas_width = 1088; |
| canvas_height = 1920; |
| } else { |
| canvas_width = 1920; |
| canvas_height = 1088; |
| } |
| decbuf_y_size = 0x200000; |
| decbuf_uv_size = 0x80000; |
| decbuf_size = 0x300000; |
| } |
| } |
| |
| for (i = 0; i < MAX_BMMU_BUFFER_NUM; i++) { |
| /* workspace mem */ |
| if (i == (MAX_BMMU_BUFFER_NUM - 1)) |
| alloc_size = WORKSPACE_SIZE; |
| else |
| alloc_size = decbuf_size; |
| |
| ret = decoder_bmmu_box_alloc_buf_phy(mm_blk_handle, i, |
| alloc_size, DRIVER_NAME, &buf_start); |
| if (ret < 0) |
| return ret; |
| if (i == (MAX_BMMU_BUFFER_NUM - 1)) { |
| buf_offset = buf_start - DCAC_BUFF_START_IP; |
| continue; |
| } |
| |
| |
| #ifdef NV21 |
| config_cav_lut_ex(2 * i + 0, |
| buf_start, |
| canvas_width, canvas_height, |
| CANVAS_ADDR_NOWRAP, CANVAS_BLKMODE_32X32, 0, VDEC_1); |
| config_cav_lut_ex(2 * i + 1, |
| buf_start + |
| decbuf_y_size, canvas_width, |
| canvas_height / 2, CANVAS_ADDR_NOWRAP, |
| CANVAS_BLKMODE_32X32, 0, VDEC_1); |
| #else |
| config_cav_lut_ex(3 * i + 0, |
| buf_start, |
| canvas_width, canvas_height, |
| CANVAS_ADDR_NOWRAP, CANVAS_BLKMODE_32X32, 0, VDEC_1); |
| config_cav_lut_ex(3 * i + 1, |
| buf_start + |
| decbuf_y_size, canvas_width / 2, |
| canvas_height / 2, CANVAS_ADDR_NOWRAP, |
| CANVAS_BLKMODE_32X32, 0, VDEC_1); |
| config_cav_lut_ex(3 * i + 2, |
| buf_start + |
| decbuf_y_size + decbuf_uv_size, |
| canvas_width / 2, canvas_height / 2, |
| CANVAS_ADDR_NOWRAP, CANVAS_BLKMODE_32X32, 0, VDEC_1); |
| #endif |
| |
| } |
| return 0; |
| } |
| |
| static int vmpeg4_prot_init(void) |
| { |
| int r; |
| #if 1 /* /MESON_CPU_TYPE >= MESON_CPU_TYPE_MESON6 */ |
| WRITE_VREG(DOS_SW_RESET0, (1 << 7) | (1 << 6)); |
| WRITE_VREG(DOS_SW_RESET0, 0); |
| #else |
| WRITE_RESET_REG(RESET0_REGISTER, RESET_IQIDCT | RESET_MC); |
| #endif |
| |
| r = vmpeg4_canvas_init(); |
| |
| /* index v << 16 | u << 8 | y */ |
| #ifdef NV21 |
| WRITE_VREG(AV_SCRATCH_0, 0x010100); |
| WRITE_VREG(AV_SCRATCH_1, 0x030302); |
| WRITE_VREG(AV_SCRATCH_2, 0x050504); |
| WRITE_VREG(AV_SCRATCH_3, 0x070706); |
| WRITE_VREG(AV_SCRATCH_G, 0x090908); |
| WRITE_VREG(AV_SCRATCH_H, 0x0b0b0a); |
| WRITE_VREG(AV_SCRATCH_I, 0x0d0d0c); |
| WRITE_VREG(AV_SCRATCH_J, 0x0f0f0e); |
| #else |
| WRITE_VREG(AV_SCRATCH_0, 0x020100); |
| WRITE_VREG(AV_SCRATCH_1, 0x050403); |
| WRITE_VREG(AV_SCRATCH_2, 0x080706); |
| WRITE_VREG(AV_SCRATCH_3, 0x0b0a09); |
| WRITE_VREG(AV_SCRATCH_G, 0x0e0d0c); |
| WRITE_VREG(AV_SCRATCH_H, 0x11100f); |
| WRITE_VREG(AV_SCRATCH_I, 0x141312); |
| WRITE_VREG(AV_SCRATCH_J, 0x171615); |
| #endif |
| WRITE_VREG(AV_SCRATCH_L, 0);/*clearfatal error flag*/ |
| |
| /* notify ucode the buffer offset */ |
| WRITE_VREG(AV_SCRATCH_F, buf_offset); |
| |
| /* disable PSCALE for hardware sharing */ |
| WRITE_VREG(PSCALE_CTRL, 0); |
| |
| /* clear repeat count */ |
| WRITE_VREG(MP4_NOT_CODED_CNT, 0); |
| |
| WRITE_VREG(MREG_BUFFERIN, 0); |
| WRITE_VREG(MREG_BUFFEROUT, 0); |
| |
| /* clear mailbox interrupt */ |
| WRITE_VREG(ASSIST_MBOX1_CLR_REG, 1); |
| |
| /* enable mailbox interrupt */ |
| WRITE_VREG(ASSIST_MBOX1_MASK, 1); |
| |
| |
| |
| #ifdef NV21 |
| SET_VREG_MASK(MDEC_PIC_DC_CTRL, 1 << 17); |
| #endif |
| |
| #if 1/* /MESON_CPU_TYPE >= MESON_CPU_TYPE_MESON8 */ |
| pr_debug("mpeg4 meson8 prot init\n"); |
| WRITE_VREG(MDEC_PIC_DC_THRESH, 0x404038aa); |
| #endif |
| |
| WRITE_VREG(MP4_PIC_WH, (vmpeg4_amstream_dec_info. |
| width << 16) | vmpeg4_amstream_dec_info.height); |
| WRITE_VREG(MP4_SYS_RATE, vmpeg4_amstream_dec_info.rate); |
| return r; |
| } |
| |
| static void vmpeg4_local_init(void) |
| { |
| int i; |
| |
| vmpeg4_ratio = vmpeg4_amstream_dec_info.ratio; |
| |
| vmpeg4_ratio64 = vmpeg4_amstream_dec_info.ratio64; |
| |
| vmpeg4_rotation = |
| (((unsigned long) vmpeg4_amstream_dec_info.param) |
| >> 16) & 0xffff; |
| |
| frame_width = frame_height = frame_dur = frame_prog = 0; |
| |
| total_frame = 0; |
| saved_resolution = 0; |
| last_anch_pts = 0; |
| |
| last_anch_pts_us64 = 0; |
| |
| last_vop_time_inc = last_duration = 0; |
| |
| vop_time_inc_since_last_anch = 0; |
| |
| frame_num_since_last_anch = 0; |
| |
| #ifdef CONFIG_AM_VDEC_MPEG4_LOG |
| pts_hit = pts_missed = pts_i_hit = pts_i_missed = 0; |
| #endif |
| |
| for (i = 0; i < DECODE_BUFFER_NUM_MAX; i++) |
| vfbuf_use[i] = 0; |
| |
| INIT_KFIFO(display_q); |
| INIT_KFIFO(recycle_q); |
| INIT_KFIFO(newframe_q); |
| |
| for (i = 0; i < VF_POOL_SIZE; i++) { |
| const struct vframe_s *vf = &vfpool[i]; |
| |
| vfpool[i].index = DECODE_BUFFER_NUM_MAX; |
| kfifo_put(&newframe_q, (const struct vframe_s *)vf); |
| } |
| if (mm_blk_handle) { |
| decoder_bmmu_box_free(mm_blk_handle); |
| mm_blk_handle = NULL; |
| } |
| |
| mm_blk_handle = decoder_bmmu_box_alloc_box( |
| DRIVER_NAME, |
| 0, |
| MAX_BMMU_BUFFER_NUM, |
| 4 + PAGE_SHIFT, |
| CODEC_MM_FLAGS_CMA_CLEAR | |
| CODEC_MM_FLAGS_FOR_VDECODER); |
| } |
| |
| static s32 vmpeg4_init(void) |
| { |
| int trickmode_fffb = 0; |
| int size = -1, ret = -1; |
| char fw_name[32] = {0}; |
| char *buf = vmalloc(0x1000 * 16); |
| |
| if (IS_ERR_OR_NULL(buf)) |
| return -ENOMEM; |
| amlog_level(LOG_LEVEL_INFO, "vmpeg4_init\n"); |
| |
| if (vmpeg4_amstream_dec_info.format == |
| VIDEO_DEC_FORMAT_MPEG4_5) { |
| size = get_firmware_data(VIDEO_DEC_MPEG4_5, buf); |
| strncpy(fw_name, "vmpeg4_mc_5", sizeof(fw_name)); |
| |
| amlog_level(LOG_LEVEL_INFO, "load VIDEO_DEC_FORMAT_MPEG4_5\n"); |
| } else if (vmpeg4_amstream_dec_info.format == VIDEO_DEC_FORMAT_H263) { |
| size = get_firmware_data(VIDEO_DEC_H263, buf); |
| strncpy(fw_name, "h263_mc", sizeof(fw_name)); |
| |
| pr_info("load VIDEO_DEC_FORMAT_H263\n"); |
| } else |
| pr_err("unsupport mpeg4 sub format %d\n", |
| vmpeg4_amstream_dec_info.format); |
| |
| if (size < 0) { |
| pr_err("get firmware fail."); |
| vfree(buf); |
| return -1; |
| } |
| |
| ret = amvdec_loadmc_ex(VFORMAT_MPEG4, fw_name, buf); |
| if (ret < 0) { |
| amvdec_disable(); |
| vfree(buf); |
| pr_err("%s: the %s fw loading failed, err: %x\n", |
| fw_name, tee_enabled() ? "TEE" : "local", ret); |
| return -EBUSY; |
| } |
| |
| vfree(buf); |
| stat |= STAT_MC_LOAD; |
| query_video_status(0, &trickmode_fffb); |
| |
| timer_setup(&recycle_timer, vmpeg_put_timer_func, 0); |
| stat |= STAT_TIMER_INIT; |
| |
| if (vdec_request_irq(VDEC_IRQ_1, vmpeg4_isr, |
| "vmpeg4-irq", (void *)vmpeg4_dec_id)) { |
| amlog_level(LOG_LEVEL_ERROR, "vmpeg4 irq register error.\n"); |
| return -ENOENT; |
| } |
| stat |= STAT_ISR_REG; |
| vmpeg4_local_init(); |
| /* enable AMRISC side protocol */ |
| ret = vmpeg4_prot_init(); |
| if (ret < 0) { |
| if (mm_blk_handle) { |
| decoder_bmmu_box_free(mm_blk_handle); |
| mm_blk_handle = NULL; |
| } |
| return ret; |
| } |
| amvdec_enable(); |
| fr_hint_status = VDEC_NO_NEED_HINT; |
| #ifdef CONFIG_AMLOGIC_POST_PROCESS_MANAGER |
| vf_provider_init(&vmpeg_vf_prov, PROVIDER_NAME, &vmpeg_vf_provider, |
| NULL); |
| vf_reg_provider(&vmpeg_vf_prov); |
| vf_notify_receiver(PROVIDER_NAME, VFRAME_EVENT_PROVIDER_START, NULL); |
| #else |
| vf_provider_init(&vmpeg_vf_prov, PROVIDER_NAME, &vmpeg_vf_provider, |
| NULL); |
| vf_reg_provider(&vmpeg_vf_prov); |
| #endif |
| if (vmpeg4_amstream_dec_info.rate != 0) { |
| if (!is_reset) { |
| vf_notify_receiver(PROVIDER_NAME, |
| VFRAME_EVENT_PROVIDER_FR_HINT, |
| (void *) |
| ((unsigned long) |
| vmpeg4_amstream_dec_info.rate)); |
| fr_hint_status = VDEC_HINTED; |
| } |
| } else |
| fr_hint_status = VDEC_NEED_HINT; |
| |
| stat |= STAT_VF_HOOK; |
| |
| recycle_timer.expires = jiffies + PUT_INTERVAL; |
| add_timer(&recycle_timer); |
| |
| stat |= STAT_TIMER_ARM; |
| |
| amvdec_start(); |
| |
| stat |= STAT_VDEC_RUN; |
| |
| return 0; |
| } |
| |
| static int amvdec_mpeg4_probe(struct platform_device *pdev) |
| { |
| struct vdec_s *pdata = *(struct vdec_s **)pdev->dev.platform_data; |
| |
| if (pdata == NULL) { |
| amlog_level(LOG_LEVEL_ERROR, |
| "amvdec_mpeg4 memory resource undefined.\n"); |
| return -EFAULT; |
| } |
| |
| if (pdata->sys_info) { |
| vmpeg4_amstream_dec_info = *pdata->sys_info; |
| if ((vmpeg4_amstream_dec_info.height != 0) && |
| (vmpeg4_amstream_dec_info.width > |
| (MAX_MPEG4_SUPPORT_SIZE/vmpeg4_amstream_dec_info.height))) { |
| pr_info("amvdec_mpeg4: oversize, unsupport: %d*%d\n", |
| vmpeg4_amstream_dec_info.width, |
| vmpeg4_amstream_dec_info.height); |
| return -EFAULT; |
| } |
| } |
| pdata->dec_status = vmpeg4_dec_status; |
| pdata->set_isreset = vmpeg4_set_isreset; |
| is_reset = 0; |
| vdec = pdata; |
| |
| INIT_WORK(&reset_work, reset_do_work); |
| INIT_WORK(¬ify_work, vmpeg4_notify_work); |
| INIT_WORK(&set_clk_work, vmpeg4_set_clk); |
| |
| vmpeg4_vdec_info_init(); |
| |
| if (vmpeg4_init() < 0) { |
| amlog_level(LOG_LEVEL_ERROR, "amvdec_mpeg4 init failed.\n"); |
| kfree(gvs); |
| gvs = NULL; |
| pdata->dec_status = NULL; |
| return -ENODEV; |
| } |
| |
| return 0; |
| } |
| |
| static int amvdec_mpeg4_remove(struct platform_device *pdev) |
| { |
| if (stat & STAT_VDEC_RUN) { |
| amvdec_stop(); |
| stat &= ~STAT_VDEC_RUN; |
| } |
| |
| if (stat & STAT_ISR_REG) { |
| vdec_free_irq(VDEC_IRQ_1, (void *)vmpeg4_dec_id); |
| stat &= ~STAT_ISR_REG; |
| } |
| |
| if (stat & STAT_TIMER_ARM) { |
| del_timer_sync(&recycle_timer); |
| stat &= ~STAT_TIMER_ARM; |
| } |
| |
| if (stat & STAT_VF_HOOK) { |
| if (fr_hint_status == VDEC_HINTED) |
| vf_notify_receiver(PROVIDER_NAME, |
| VFRAME_EVENT_PROVIDER_FR_END_HINT, NULL); |
| fr_hint_status = VDEC_NO_NEED_HINT; |
| |
| vf_unreg_provider(&vmpeg_vf_prov); |
| stat &= ~STAT_VF_HOOK; |
| } |
| |
| cancel_work_sync(&reset_work); |
| cancel_work_sync(¬ify_work); |
| cancel_work_sync(&set_clk_work); |
| |
| amvdec_disable(); |
| if (get_cpu_major_id() >= AM_MESON_CPU_MAJOR_ID_TM2) |
| vdec_reset_core(NULL); |
| if (mm_blk_handle) { |
| decoder_bmmu_box_free(mm_blk_handle); |
| mm_blk_handle = NULL; |
| } |
| |
| amlog_mask(LOG_MASK_PTS, |
| "pts hit %d, pts missed %d, i hit %d, missed %d\n", pts_hit, |
| pts_missed, pts_i_hit, pts_i_missed); |
| amlog_mask(LOG_MASK_PTS, "total frame %d, rate %d\n", total_frame, |
| vmpeg4_amstream_dec_info.rate); |
| kfree(gvs); |
| gvs = NULL; |
| vdec = NULL; |
| |
| return 0; |
| } |
| |
| /****************************************/ |
| |
| static struct platform_driver amvdec_mpeg4_driver = { |
| .probe = amvdec_mpeg4_probe, |
| .remove = amvdec_mpeg4_remove, |
| #ifdef CONFIG_PM |
| .suspend = amvdec_suspend, |
| .resume = amvdec_resume, |
| #endif |
| .driver = { |
| .name = DRIVER_NAME, |
| } |
| }; |
| |
| static struct codec_profile_t amvdec_mpeg4_profile = { |
| .name = "mpeg4", |
| .profile = "" |
| }; |
| static struct mconfig mpeg4_configs[] = { |
| MC_PU32("stat", &stat), |
| }; |
| static struct mconfig_node mpeg4_node; |
| |
| static int __init amvdec_mpeg4_driver_init_module(void) |
| { |
| amlog_level(LOG_LEVEL_INFO, "amvdec_mpeg4 module init\n"); |
| |
| if (platform_driver_register(&amvdec_mpeg4_driver)) { |
| amlog_level(LOG_LEVEL_ERROR, |
| "failed to register amvdec_mpeg4 driver\n"); |
| return -ENODEV; |
| } |
| vcodec_profile_register(&amvdec_mpeg4_profile); |
| INIT_REG_NODE_CONFIGS("media.decoder", &mpeg4_node, |
| "mpeg4", mpeg4_configs, CONFIG_FOR_R); |
| return 0; |
| } |
| |
| static void __exit amvdec_mpeg4_driver_remove_module(void) |
| { |
| amlog_level(LOG_LEVEL_INFO, "amvdec_mpeg4 module remove.\n"); |
| |
| platform_driver_unregister(&amvdec_mpeg4_driver); |
| } |
| |
| /****************************************/ |
| module_init(amvdec_mpeg4_driver_init_module); |
| module_exit(amvdec_mpeg4_driver_remove_module); |
| |
| MODULE_DESCRIPTION("AMLOGIC MPEG4 Video Decoder Driver"); |
| MODULE_LICENSE("GPL"); |
| MODULE_AUTHOR("Tim Yao <timyao@amlogic.com>"); |