diff options
Diffstat (limited to 'drivers/media/platform/coda.c')
| -rw-r--r-- | drivers/media/platform/coda.c | 3933 |
1 files changed, 0 insertions, 3933 deletions
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c deleted file mode 100644 index 3a6d1d2b429e..000000000000 --- a/drivers/media/platform/coda.c +++ /dev/null @@ -1,3933 +0,0 @@ -/* - * Coda multi-standard codec IP - * - * Copyright (C) 2012 Vista Silicon S.L. - * Javier Martin, <javier.martin@vista-silicon.com> - * Xavier Duret - * - * 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/clk.h> -#include <linux/debugfs.h> -#include <linux/delay.h> -#include <linux/firmware.h> -#include <linux/genalloc.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/kfifo.h> -#include <linux/module.h> -#include <linux/of_device.h> -#include <linux/platform_device.h> -#include <linux/pm_runtime.h> -#include <linux/slab.h> -#include <linux/videodev2.h> -#include <linux/of.h> -#include <linux/platform_data/coda.h> -#include <linux/reset.h> - -#include <media/v4l2-ctrls.h> -#include <media/v4l2-device.h> -#include <media/v4l2-event.h> -#include <media/v4l2-ioctl.h> -#include <media/v4l2-mem2mem.h> -#include <media/videobuf2-core.h> -#include <media/videobuf2-dma-contig.h> - -#include "coda.h" - -#define CODA_NAME "coda" - -#define CODADX6_MAX_INSTANCES 4 - -#define CODA_PARA_BUF_SIZE (10 * 1024) -#define CODA_ISRAM_SIZE (2048 * 2) - -#define CODA7_PS_BUF_SIZE 0x28000 -#define CODA9_PS_SAVE_SIZE (512 * 1024) - -#define CODA_MAX_FRAMEBUFFERS 8 - -#define CODA_MAX_FRAME_SIZE 0x100000 -#define FMO_SLICE_SAVE_BUF_SIZE (32) -#define CODA_DEFAULT_GAMMA 4096 -#define CODA9_DEFAULT_GAMMA 24576 /* 0.75 * 32768 */ - -#define MIN_W 176 -#define MIN_H 144 - -#define S_ALIGN 1 /* multiple of 2 */ -#define W_ALIGN 1 /* multiple of 2 */ -#define H_ALIGN 1 /* multiple of 2 */ - -#define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh) - -static int coda_debug; -module_param(coda_debug, int, 0644); -MODULE_PARM_DESC(coda_debug, "Debug level (0-1)"); - -enum { - V4L2_M2M_SRC = 0, - V4L2_M2M_DST = 1, -}; - -enum coda_inst_type { - CODA_INST_ENCODER, - CODA_INST_DECODER, -}; - -enum coda_product { - CODA_DX6 = 0xf001, - CODA_7541 = 0xf012, - CODA_960 = 0xf020, -}; - -struct coda_fmt { - char *name; - u32 fourcc; -}; - -struct coda_codec { - u32 mode; - u32 src_fourcc; - u32 dst_fourcc; - u32 max_w; - u32 max_h; -}; - -struct coda_devtype { - char *firmware; - enum coda_product product; - struct coda_codec *codecs; - unsigned int num_codecs; - size_t workbuf_size; - size_t tempbuf_size; - size_t iram_size; -}; - -/* Per-queue, driver-specific private data */ -struct coda_q_data { - unsigned int width; - unsigned int height; - unsigned int bytesperline; - unsigned int sizeimage; - unsigned int fourcc; - struct v4l2_rect rect; -}; - -struct coda_aux_buf { - void *vaddr; - dma_addr_t paddr; - u32 size; - struct debugfs_blob_wrapper blob; - struct dentry *dentry; -}; - -struct coda_dev { - struct v4l2_device v4l2_dev; - struct video_device vfd; - struct platform_device *plat_dev; - const struct coda_devtype *devtype; - - void __iomem *regs_base; - struct clk *clk_per; - struct clk *clk_ahb; - struct reset_control *rstc; - - struct coda_aux_buf codebuf; - struct coda_aux_buf tempbuf; - struct coda_aux_buf workbuf; - struct gen_pool *iram_pool; - struct coda_aux_buf iram; - - spinlock_t irqlock; - struct mutex dev_mutex; - struct mutex coda_mutex; - struct workqueue_struct *workqueue; - struct v4l2_m2m_dev *m2m_dev; - struct vb2_alloc_ctx *alloc_ctx; - struct list_head instances; - unsigned long instance_mask; - struct dentry *debugfs_root; -}; - -struct coda_params { - u8 rot_mode; - u8 h264_intra_qp; - u8 h264_inter_qp; - u8 h264_min_qp; - u8 h264_max_qp; - u8 h264_deblk_enabled; - u8 h264_deblk_alpha; - u8 h264_deblk_beta; - u8 mpeg4_intra_qp; - u8 mpeg4_inter_qp; - u8 gop_size; - int intra_refresh; - int codec_mode; - int codec_mode_aux; - enum v4l2_mpeg_video_multi_slice_mode slice_mode; - u32 framerate; - u16 bitrate; - u32 slice_max_bits; - u32 slice_max_mb; -}; - -struct coda_iram_info { - u32 axi_sram_use; - phys_addr_t buf_bit_use; - phys_addr_t buf_ip_ac_dc_use; - phys_addr_t buf_dbk_y_use; - phys_addr_t buf_dbk_c_use; - phys_addr_t buf_ovl_use; - phys_addr_t buf_btp_use; - phys_addr_t search_ram_paddr; - int search_ram_size; - int remaining; - phys_addr_t next_paddr; -}; - -struct gdi_tiled_map { - int xy2ca_map[16]; - int xy2ba_map[16]; - int xy2ra_map[16]; - int rbc2axi_map[32]; - int xy2rbc_config; - int map_type; -#define GDI_LINEAR_FRAME_MAP 0 -}; - -struct coda_timestamp { - struct list_head list; - u32 sequence; - struct v4l2_timecode timecode; - struct timeval timestamp; -}; - -struct coda_ctx { - struct coda_dev *dev; - struct mutex buffer_mutex; - struct list_head list; - struct work_struct pic_run_work; - struct work_struct seq_end_work; - struct completion completion; - int aborting; - int initialized; - int streamon_out; - int streamon_cap; - u32 isequence; - u32 qsequence; - u32 osequence; - u32 sequence_offset; - struct coda_q_data q_data[2]; - enum coda_inst_type inst_type; - struct coda_codec *codec; - enum v4l2_colorspace colorspace; - struct coda_params params; - struct v4l2_ctrl_handler ctrls; - struct v4l2_fh fh; - int gopcounter; - int runcounter; - char vpu_header[3][64]; - int vpu_header_size[3]; - struct kfifo bitstream_fifo; - struct mutex bitstream_mutex; - struct coda_aux_buf bitstream; - bool hold; - struct coda_aux_buf parabuf; - struct coda_aux_buf psbuf; - struct coda_aux_buf slicebuf; - struct coda_aux_buf internal_frames[CODA_MAX_FRAMEBUFFERS]; - u32 frame_types[CODA_MAX_FRAMEBUFFERS]; - struct coda_timestamp frame_timestamps[CODA_MAX_FRAMEBUFFERS]; - u32 frame_errors[CODA_MAX_FRAMEBUFFERS]; - struct list_head timestamp_list; - struct coda_aux_buf workbuf; - int num_internal_frames; - int idx; - int reg_idx; - struct coda_iram_info iram_info; - struct gdi_tiled_map tiled_map; - u32 bit_stream_param; - u32 frm_dis_flg; - u32 frame_mem_ctrl; - int display_idx; - struct dentry *debugfs_entry; -}; - -static const u8 coda_filler_nal[14] = { 0x00, 0x00, 0x00, 0x01, 0x0c, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80 }; -static const u8 coda_filler_size[8] = { 0, 7, 14, 13, 12, 11, 10, 9 }; - -static inline void coda_write(struct coda_dev *dev, u32 data, u32 reg) -{ - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, - "%s: data=0x%x, reg=0x%x\n", __func__, data, reg); - writel(data, dev->regs_base + reg); -} - -static inline unsigned int coda_read(struct coda_dev *dev, u32 reg) -{ - u32 data; - data = readl(dev->regs_base + reg); - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, - "%s: data=0x%x, reg=0x%x\n", __func__, data, reg); - return data; -} - -static inline unsigned long coda_isbusy(struct coda_dev *dev) -{ - return coda_read(dev, CODA_REG_BIT_BUSY); -} - -static inline int coda_is_initialized(struct coda_dev *dev) -{ - return (coda_read(dev, CODA_REG_BIT_CUR_PC) != 0); -} - -static int coda_wait_timeout(struct coda_dev *dev) -{ - unsigned long timeout = jiffies + msecs_to_jiffies(1000); - - while (coda_isbusy(dev)) { - if (time_after(jiffies, timeout)) - return -ETIMEDOUT; - } - return 0; -} - -static void coda_command_async(struct coda_ctx *ctx, int cmd) -{ - struct coda_dev *dev = ctx->dev; - - if (dev->devtype->product == CODA_960 || - dev->devtype->product == CODA_7541) { - /* Restore context related registers to CODA */ - coda_write(dev, ctx->bit_stream_param, - CODA_REG_BIT_BIT_STREAM_PARAM); - coda_write(dev, ctx->frm_dis_flg, - CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx)); - coda_write(dev, ctx->frame_mem_ctrl, - CODA_REG_BIT_FRAME_MEM_CTRL); - coda_write(dev, ctx->workbuf.paddr, CODA_REG_BIT_WORK_BUF_ADDR); - } - - if (dev->devtype->product == CODA_960) { - coda_write(dev, 1, CODA9_GDI_WPROT_ERR_CLR); - coda_write(dev, 0, CODA9_GDI_WPROT_RGN_EN); - } - - coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY); - - coda_write(dev, ctx->idx, CODA_REG_BIT_RUN_INDEX); - coda_write(dev, ctx->params.codec_mode, CODA_REG_BIT_RUN_COD_STD); - coda_write(dev, ctx->params.codec_mode_aux, CODA7_REG_BIT_RUN_AUX_STD); - - coda_write(dev, cmd, CODA_REG_BIT_RUN_COMMAND); -} - -static int coda_command_sync(struct coda_ctx *ctx, int cmd) -{ - struct coda_dev *dev = ctx->dev; - - coda_command_async(ctx, cmd); - return coda_wait_timeout(dev); -} - -static int coda_hw_reset(struct coda_ctx *ctx) -{ - struct coda_dev *dev = ctx->dev; - unsigned long timeout; - unsigned int idx; - int ret; - - if (!dev->rstc) - return -ENOENT; - - idx = coda_read(dev, CODA_REG_BIT_RUN_INDEX); - - timeout = jiffies + msecs_to_jiffies(100); - coda_write(dev, 0x11, CODA9_GDI_BUS_CTRL); - while (coda_read(dev, CODA9_GDI_BUS_STATUS) != 0x77) { - if (time_after(jiffies, timeout)) - return -ETIME; - cpu_relax(); - } - - ret = reset_control_reset(dev->rstc); - if (ret < 0) - return ret; - - coda_write(dev, 0x00, CODA9_GDI_BUS_CTRL); - coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY); - coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN); - ret = coda_wait_timeout(dev); - coda_write(dev, idx, CODA_REG_BIT_RUN_INDEX); - - return ret; -} - -static struct coda_q_data *get_q_data(struct coda_ctx *ctx, - enum v4l2_buf_type type) -{ - switch (type) { - case V4L2_BUF_TYPE_VIDEO_OUTPUT: - return &(ctx->q_data[V4L2_M2M_SRC]); - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - return &(ctx->q_data[V4L2_M2M_DST]); - default: - return NULL; - } -} - -/* - * Array of all formats supported by any version of Coda: - */ -static struct coda_fmt coda_formats[] = { - { - .name = "YUV 4:2:0 Planar, YCbCr", - .fourcc = V4L2_PIX_FMT_YUV420, - }, - { - .name = "YUV 4:2:0 Planar, YCrCb", - .fourcc = V4L2_PIX_FMT_YVU420, - }, - { - .name = "H264 Encoded Stream", - .fourcc = V4L2_PIX_FMT_H264, - }, - { - .name = "MPEG4 Encoded Stream", - .fourcc = V4L2_PIX_FMT_MPEG4, - }, -}; - -#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \ - { mode, src_fourcc, dst_fourcc, max_w, max_h } - -/* - * Arrays of codecs supported by each given version of Coda: - * i.MX27 -> codadx6 - * i.MX5x -> coda7 - * i.MX6 -> coda960 - * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants - */ -static struct coda_codec codadx6_codecs[] = { - CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576), - CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 720, 576), -}; - -static struct coda_codec coda7_codecs[] = { - CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720), - CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1280, 720), - CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1080), - CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1080), -}; - -static struct coda_codec coda9_codecs[] = { - CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1920, 1080), - CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1920, 1080), - CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1080), - CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1080), -}; - -static bool coda_format_is_yuv(u32 fourcc) -{ - switch (fourcc) { - case V4L2_PIX_FMT_YUV420: - case V4L2_PIX_FMT_YVU420: - return true; - default: - return false; - } -} - -/* - * Normalize all supported YUV 4:2:0 formats to the value used in the codec - * tables. - */ -static u32 coda_format_normalize_yuv(u32 fourcc) -{ - return coda_format_is_yuv(fourcc) ? V4L2_PIX_FMT_YUV420 : fourcc; -} - -static struct coda_codec *coda_find_codec(struct coda_dev *dev, int src_fourcc, - int dst_fourcc) -{ - struct coda_codec *codecs = dev->devtype->codecs; - int num_codecs = dev->devtype->num_codecs; - int k; - - src_fourcc = coda_format_normalize_yuv(src_fourcc); - dst_fourcc = coda_format_normalize_yuv(dst_fourcc); - if (src_fourcc == dst_fourcc) - return NULL; - - for (k = 0; k < num_codecs; k++) { - if (codecs[k].src_fourcc == src_fourcc && - codecs[k].dst_fourcc == dst_fourcc) - break; - } - - if (k == num_codecs) - return NULL; - - return &codecs[k]; -} - -static void coda_get_max_dimensions(struct coda_dev *dev, - struct coda_codec *codec, - int *max_w, int *max_h) -{ - struct coda_codec *codecs = dev->devtype->codecs; - int num_codecs = dev->devtype->num_codecs; - unsigned int w, h; - int k; - - if (codec) { - w = codec->max_w; - h = codec->max_h; - } else { - for (k = 0, w = 0, h = 0; k < num_codecs; k++) { - w = max(w, codecs[k].max_w); - h = max(h, codecs[k].max_h); - } - } - - if (max_w) - *max_w = w; - if (max_h) - *max_h = h; -} - -static char *coda_product_name(int product) -{ - static char buf[9]; - - switch (product) { - case CODA_DX6: - return "CodaDx6"; - case CODA_7541: - return "CODA7541"; - case CODA_960: - return "CODA960"; - default: - snprintf(buf, sizeof(buf), "(0x%04x)", product); - return buf; - } -} - -/* - * V4L2 ioctl() operations. - */ -static int coda_querycap(struct file *file, void *priv, - struct v4l2_capability *cap) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - - strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver)); - strlcpy(cap->card, coda_product_name(ctx->dev->devtype->product), - sizeof(cap->card)); - strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info)); - /* - * This is only a mem-to-mem video device. The capture and output - * device capability flags are left only for backward compatibility - * and are scheduled for removal. - */ - cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT | - V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING; - cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; - - return 0; -} - -static int enum_fmt(void *priv, struct v4l2_fmtdesc *f, - enum v4l2_buf_type type, int src_fourcc) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - struct coda_codec *codecs = ctx->dev->devtype->codecs; - struct coda_fmt *formats = coda_formats; - struct coda_fmt *fmt; - int num_codecs = ctx->dev->devtype->num_codecs; - int num_formats = ARRAY_SIZE(coda_formats); - int i, k, num = 0; - - for (i = 0; i < num_formats; i++) { - /* Both uncompressed formats are always supported */ - if (coda_format_is_yuv(formats[i].fourcc) && - !coda_format_is_yuv(src_fourcc)) { - if (num == f->index) - break; - ++num; - continue; - } - /* Compressed formats may be supported, check the codec list */ - for (k = 0; k < num_codecs; k++) { - /* if src_fourcc is set, only consider matching codecs */ - if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE && - formats[i].fourcc == codecs[k].dst_fourcc && - (!src_fourcc || src_fourcc == codecs[k].src_fourcc)) - break; - if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT && - formats[i].fourcc == codecs[k].src_fourcc) - break; - } - if (k < num_codecs) { - if (num == f->index) - break; - ++num; - } - } - - if (i < num_formats) { - fmt = &formats[i]; - strlcpy(f->description, fmt->name, sizeof(f->description)); - f->pixelformat = fmt->fourcc; - if (!coda_format_is_yuv(fmt->fourcc)) - f->flags |= V4L2_FMT_FLAG_COMPRESSED; - return 0; - } - - /* Format not found */ - return -EINVAL; -} - -static int coda_enum_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - struct vb2_queue *src_vq; - struct coda_q_data *q_data_src; - - /* If the source format is already fixed, only list matching formats */ - src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - if (vb2_is_streaming(src_vq)) { - q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - - return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE, - q_data_src->fourcc); - } - - return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0); -} - -static int coda_enum_fmt_vid_out(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_OUTPUT, 0); -} - -static int coda_g_fmt(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct coda_q_data *q_data; - struct coda_ctx *ctx = fh_to_ctx(priv); - - q_data = get_q_data(ctx, f->type); - if (!q_data) - return -EINVAL; - - f->fmt.pix.field = V4L2_FIELD_NONE; - f->fmt.pix.pixelformat = q_data->fourcc; - f->fmt.pix.width = q_data->width; - f->fmt.pix.height = q_data->height; - f->fmt.pix.bytesperline = q_data->bytesperline; - - f->fmt.pix.sizeimage = q_data->sizeimage; - f->fmt.pix.colorspace = ctx->colorspace; - - return 0; -} - -static int coda_try_fmt(struct coda_ctx *ctx, struct coda_codec *codec, - struct v4l2_format *f) -{ - struct coda_dev *dev = ctx->dev; - struct coda_q_data *q_data; - unsigned int max_w, max_h; - enum v4l2_field field; - - field = f->fmt.pix.field; - if (field == V4L2_FIELD_ANY) - field = V4L2_FIELD_NONE; - else if (V4L2_FIELD_NONE != field) - return -EINVAL; - - /* V4L2 specification suggests the driver corrects the format struct - * if any of the dimensions is unsupported */ - f->fmt.pix.field = field; - - coda_get_max_dimensions(dev, codec, &max_w, &max_h); - v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN, - &f->fmt.pix.height, MIN_H, max_h, H_ALIGN, - S_ALIGN); - - switch (f->fmt.pix.pixelformat) { - case V4L2_PIX_FMT_YUV420: - case V4L2_PIX_FMT_YVU420: - case V4L2_PIX_FMT_H264: - case V4L2_PIX_FMT_MPEG4: - case V4L2_PIX_FMT_JPEG: - break; - default: - q_data = get_q_data(ctx, f->type); - if (!q_data) - return -EINVAL; - f->fmt.pix.pixelformat = q_data->fourcc; - } - - switch (f->fmt.pix.pixelformat) { - case V4L2_PIX_FMT_YUV420: - case V4L2_PIX_FMT_YVU420: - /* Frame stride must be multiple of 8, but 16 for h.264 */ - f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16); - f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * - f->fmt.pix.height * 3 / 2; - break; - case V4L2_PIX_FMT_H264: - case V4L2_PIX_FMT_MPEG4: - case V4L2_PIX_FMT_JPEG: - f->fmt.pix.bytesperline = 0; - f->fmt.pix.sizeimage = CODA_MAX_FRAME_SIZE; - break; - default: - BUG(); - } - - return 0; -} - -static int coda_try_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - struct coda_codec *codec; - struct vb2_queue *src_vq; - int ret; - - /* - * If the source format is already fixed, try to find a codec that - * converts to the given destination format - */ - src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - if (vb2_is_streaming(src_vq)) { - struct coda_q_data *q_data_src; - - q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - codec = coda_find_codec(ctx->dev, q_data_src->fourcc, - f->fmt.pix.pixelformat); - if (!codec) - return -EINVAL; - } else { - /* Otherwise determine codec by encoded format, if possible */ - codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420, - f->fmt.pix.pixelformat); - } - - f->fmt.pix.colorspace = ctx->colorspace; - - ret = coda_try_fmt(ctx, codec, f); - if (ret < 0) - return ret; - - /* The h.264 decoder only returns complete 16x16 macroblocks */ - if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) { - f->fmt.pix.width = f->fmt.pix.width; - f->fmt.pix.height = round_up(f->fmt.pix.height, 16); - f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16); - f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * - f->fmt.pix.height * 3 / 2; - } - - return 0; -} - -static int coda_try_fmt_vid_out(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - struct coda_codec *codec; - - /* Determine codec by encoded format, returns NULL if raw or invalid */ - codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat, - V4L2_PIX_FMT_YUV420); - - if (!f->fmt.pix.colorspace) - f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709; - - return coda_try_fmt(ctx, codec, f); -} - -static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f) -{ - struct coda_q_data *q_data; - struct vb2_queue *vq; - - vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); - if (!vq) - return -EINVAL; - - q_data = get_q_data(ctx, f->type); - if (!q_data) - return -EINVAL; - - if (vb2_is_busy(vq)) { - v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__); - return -EBUSY; - } - - q_data->fourcc = f->fmt.pix.pixelformat; - q_data->width = f->fmt.pix.width; - q_data->height = f->fmt.pix.height; - q_data->bytesperline = f->fmt.pix.bytesperline; - q_data->sizeimage = f->fmt.pix.sizeimage; - q_data->rect.left = 0; - q_data->rect.top = 0; - q_data->rect.width = f->fmt.pix.width; - q_data->rect.height = f->fmt.pix.height; - - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "Setting format for type %d, wxh: %dx%d, fmt: %d\n", - f->type, q_data->width, q_data->height, q_data->fourcc); - - return 0; -} - -static int coda_s_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - int ret; - - ret = coda_try_fmt_vid_cap(file, priv, f); - if (ret) - return ret; - - return coda_s_fmt(ctx, f); -} - -static int coda_s_fmt_vid_out(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - int ret; - - ret = coda_try_fmt_vid_out(file, priv, f); - if (ret) - return ret; - - ret = coda_s_fmt(ctx, f); - if (ret) - ctx->colorspace = f->fmt.pix.colorspace; - - return ret; -} - -static int coda_qbuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf); -} - -static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx, - struct v4l2_buffer *buf) -{ - struct vb2_queue *src_vq; - - src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - - return ((ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) && - (buf->sequence == (ctx->qsequence - 1))); -} - -static int coda_dqbuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct coda_ctx *ctx = fh_to_ctx(priv); - int ret; - - ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf); - - /* If this is the last capture buffer, emit an end-of-stream event */ - if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && - coda_buf_is_end_of_stream(ctx, buf)) { - const struct v4l2_event eos_event = { - .type = V4L2_EVENT_EOS - }; - - v4l2_event_queue_fh(&ctx->fh, &eos_event); - } - - return ret; -} - -static int coda_g_selection(struct file *file, void *fh, - struct v4l2_selection *s) -{ - struct coda_ctx *ctx = fh_to_ctx(fh); - struct coda_q_data *q_data; - struct v4l2_rect r, *rsel; - - q_data = get_q_data(ctx, s->type); - if (!q_data) - return -EINVAL; - - r.left = 0; - r.top = 0; - r.width = q_data->width; - r.height = q_data->height; - rsel = &q_data->rect; - - switch (s->target) { - case V4L2_SEL_TGT_CROP_DEFAULT: - case V4L2_SEL_TGT_CROP_BOUNDS: - rsel = &r; - /* fallthrough */ - case V4L2_SEL_TGT_CROP: - if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) - return -EINVAL; - break; - case V4L2_SEL_TGT_COMPOSE_BOUNDS: - case V4L2_SEL_TGT_COMPOSE_PADDED: - rsel = &r; - /* fallthrough */ - case V4L2_SEL_TGT_COMPOSE: - case V4L2_SEL_TGT_COMPOSE_DEFAULT: - if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - break; - default: - return -EINVAL; - } - - s->r = *rsel; - - return 0; -} - -static int coda_try_decoder_cmd(struct file *file, void *fh, - struct v4l2_decoder_cmd *dc) -{ - if (dc->cmd != V4L2_DEC_CMD_STOP) - return -EINVAL; - - if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK) - return -EINVAL; - - if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0)) - return -EINVAL; - - return 0; -} - -static int coda_decoder_cmd(struct file *file, void *fh, - struct v4l2_decoder_cmd *dc) -{ - struct coda_ctx *ctx = fh_to_ctx(fh); - struct coda_dev *dev = ctx->dev; - int ret; - - ret = coda_try_decoder_cmd(file, fh, dc); - if (ret < 0) - return ret; - - /* Ignore decoder stop command silently in encoder context */ - if (ctx->inst_type != CODA_INST_DECODER) - return 0; - - /* Set the strem-end flag on this context */ - ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG; - - if ((dev->devtype->product == CODA_960) && - coda_isbusy(dev) && - (ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX))) { - /* If this context is currently running, update the hardware flag */ - coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM); - } - ctx->hold = false; - v4l2_m2m_try_schedule(ctx->fh.m2m_ctx); - - return 0; -} - -static int coda_subscribe_event(struct v4l2_fh *fh, - const struct v4l2_event_subscription *sub) -{ - switch (sub->type) { - case V4L2_EVENT_EOS: - return v4l2_event_subscribe(fh, sub, 0, NULL); - default: - return v4l2_ctrl_subscribe_event(fh, sub); - } -} - -static const struct v4l2_ioctl_ops coda_ioctl_ops = { - .vidioc_querycap = coda_querycap, - - .vidioc_enum_fmt_vid_cap = coda_enum_fmt_vid_cap, - .vidioc_g_fmt_vid_cap = coda_g_fmt, - .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap, - .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap, - - .vidioc_enum_fmt_vid_out = coda_enum_fmt_vid_out, - .vidioc_g_fmt_vid_out = coda_g_fmt, - .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out, - .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out, - - .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, - .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, - - .vidioc_qbuf = coda_qbuf, - .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, - .vidioc_dqbuf = coda_dqbuf, - .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, - - .vidioc_streamon = v4l2_m2m_ioctl_streamon, - .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, - - .vidioc_g_selection = coda_g_selection, - - .vidioc_try_decoder_cmd = coda_try_decoder_cmd, - .vidioc_decoder_cmd = coda_decoder_cmd, - - .vidioc_subscribe_event = coda_subscribe_event, - .vidioc_unsubscribe_event = v4l2_event_unsubscribe, -}; - -static int coda_start_decoding(struct coda_ctx *ctx); - -static inline int coda_get_bitstream_payload(struct coda_ctx *ctx) -{ - return kfifo_len(&ctx->bitstream_fifo); -} - -static void coda_kfifo_sync_from_device(struct coda_ctx *ctx) -{ - struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo; - struct coda_dev *dev = ctx->dev; - u32 rd_ptr; - - rd_ptr = coda_read(dev, CODA_REG_BIT_RD_PTR(ctx->reg_idx)); - kfifo->out = (kfifo->in & ~kfifo->mask) | - (rd_ptr - ctx->bitstream.paddr); - if (kfifo->out > kfifo->in) - kfifo->out -= kfifo->mask + 1; -} - -static void coda_kfifo_sync_to_device_full(struct coda_ctx *ctx) -{ - struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo; - struct coda_dev *dev = ctx->dev; - u32 rd_ptr, wr_ptr; - - rd_ptr = ctx->bitstream.paddr + (kfifo->out & kfifo->mask); - coda_write(dev, rd_ptr, CODA_REG_BIT_RD_PTR(ctx->reg_idx)); - wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask); - coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx)); -} - -static void coda_kfifo_sync_to_device_write(struct coda_ctx *ctx) -{ - struct __kfifo *kfifo = &ctx->bitstream_fifo.kfifo; - struct coda_dev *dev = ctx->dev; - u32 wr_ptr; - - wr_ptr = ctx->bitstream.paddr + (kfifo->in & kfifo->mask); - coda_write(dev, wr_ptr, CODA_REG_BIT_WR_PTR(ctx->reg_idx)); -} - -static int coda_bitstream_queue(struct coda_ctx *ctx, struct vb2_buffer *src_buf) -{ - u32 src_size = vb2_get_plane_payload(src_buf, 0); - u32 n; - - n = kfifo_in(&ctx->bitstream_fifo, vb2_plane_vaddr(src_buf, 0), src_size); - if (n < src_size) - return -ENOSPC; - - dma_sync_single_for_device(&ctx->dev->plat_dev->dev, ctx->bitstream.paddr, - ctx->bitstream.size, DMA_TO_DEVICE); - - src_buf->v4l2_buf.sequence = ctx->qsequence++; - - return 0; -} - -static bool coda_bitstream_try_queue(struct coda_ctx *ctx, - struct vb2_buffer *src_buf) -{ - int ret; - - if (coda_get_bitstream_payload(ctx) + - vb2_get_plane_payload(src_buf, 0) + 512 >= ctx->bitstream.size) - return false; - - if (vb2_plane_vaddr(src_buf, 0) == NULL) { - v4l2_err(&ctx->dev->v4l2_dev, "trying to queue empty buffer\n"); - return true; - } - - ret = coda_bitstream_queue(ctx, src_buf); - if (ret < 0) { - v4l2_err(&ctx->dev->v4l2_dev, "bitstream buffer overflow\n"); - return false; - } - /* Sync read pointer to device */ - if (ctx == v4l2_m2m_get_curr_priv(ctx->dev->m2m_dev)) - coda_kfifo_sync_to_device_write(ctx); - - ctx->hold = false; - - return true; -} - -static void coda_fill_bitstream(struct coda_ctx *ctx) -{ - struct vb2_buffer *src_buf; - struct coda_timestamp *ts; - - while (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) > 0) { - src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); - - if (coda_bitstream_try_queue(ctx, src_buf)) { - /* - * Source buffer is queued in the bitstream ringbuffer; - * queue the timestamp and mark source buffer as done - */ - src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); - - ts = kmalloc(sizeof(*ts), GFP_KERNEL); - if (ts) { - ts->sequence = src_buf->v4l2_buf.sequence; - ts->timecode = src_buf->v4l2_buf.timecode; - ts->timestamp = src_buf->v4l2_buf.timestamp; - list_add_tail(&ts->list, &ctx->timestamp_list); - } - - v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE); - } else { - break; - } - } -} - -static void coda_set_gdi_regs(struct coda_ctx *ctx) -{ - struct gdi_tiled_map *tiled_map = &ctx->tiled_map; - struct coda_dev *dev = ctx->dev; - int i; - - for (i = 0; i < 16; i++) - coda_write(dev, tiled_map->xy2ca_map[i], - CODA9_GDI_XY2_CAS_0 + 4 * i); - for (i = 0; i < 4; i++) - coda_write(dev, tiled_map->xy2ba_map[i], - CODA9_GDI_XY2_BA_0 + 4 * i); - for (i = 0; i < 16; i++) - coda_write(dev, tiled_map->xy2ra_map[i], - CODA9_GDI_XY2_RAS_0 + 4 * i); - coda_write(dev, tiled_map->xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG); - for (i = 0; i < 32; i++) - coda_write(dev, tiled_map->rbc2axi_map[i], - CODA9_GDI_RBC2_AXI_0 + 4 * i); -} - -/* - * Mem-to-mem operations. - */ -static int coda_prepare_decode(struct coda_ctx *ctx) -{ - struct vb2_buffer *dst_buf; - struct coda_dev *dev = ctx->dev; - struct coda_q_data *q_data_dst; - u32 stridey, height; - u32 picture_y, picture_cb, picture_cr; - - dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); - q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - - if (ctx->params.rot_mode & CODA_ROT_90) { - stridey = q_data_dst->height; - height = q_data_dst->width; - } else { - stridey = q_data_dst->width; - height = q_data_dst->height; - } - - /* Try to copy source buffer contents into the bitstream ringbuffer */ - mutex_lock(&ctx->bitstream_mutex); - coda_fill_bitstream(ctx); - mutex_unlock(&ctx->bitstream_mutex); - - if (coda_get_bitstream_payload(ctx) < 512 && - (!(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) { - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, - "bitstream payload: %d, skipping\n", - coda_get_bitstream_payload(ctx)); - v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx); - return -EAGAIN; - } - - /* Run coda_start_decoding (again) if not yet initialized */ - if (!ctx->initialized) { - int ret = coda_start_decoding(ctx); - if (ret < 0) { - v4l2_err(&dev->v4l2_dev, "failed to start decoding\n"); - v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx); - return -EAGAIN; - } else { - ctx->initialized = 1; - } - } - - if (dev->devtype->product == CODA_960) - coda_set_gdi_regs(ctx); - - /* Set rotator output */ - picture_y = vb2_dma_contig_plane_dma_addr(dst_buf, 0); - if (q_data_dst->fourcc == V4L2_PIX_FMT_YVU420) { - /* Switch Cr and Cb for YVU420 format */ - picture_cr = picture_y + stridey * height; - picture_cb = picture_cr + stridey / 2 * height / 2; - } else { - picture_cb = picture_y + stridey * height; - picture_cr = picture_cb + stridey / 2 * height / 2; - } - - if (dev->devtype->product == CODA_960) { - /* - * The CODA960 seems to have an internal list of buffers with - * 64 entries that includes the registered frame buffers as - * well as the rotator buffer output. - * ROT_INDEX needs to be < 0x40, but > ctx->num_internal_frames. - */ - coda_write(dev, CODA_MAX_FRAMEBUFFERS + dst_buf->v4l2_buf.index, - CODA9_CMD_DEC_PIC_ROT_INDEX); - coda_write(dev, picture_y, CODA9_CMD_DEC_PIC_ROT_ADDR_Y); - coda_write(dev, picture_cb, CODA9_CMD_DEC_PIC_ROT_ADDR_CB); - coda_write(dev, picture_cr, CODA9_CMD_DEC_PIC_ROT_ADDR_CR); - coda_write(dev, stridey, CODA9_CMD_DEC_PIC_ROT_STRIDE); - } else { - coda_write(dev, picture_y, CODA_CMD_DEC_PIC_ROT_ADDR_Y); - coda_write(dev, picture_cb, CODA_CMD_DEC_PIC_ROT_ADDR_CB); - coda_write(dev, picture_cr, CODA_CMD_DEC_PIC_ROT_ADDR_CR); - coda_write(dev, stridey, CODA_CMD_DEC_PIC_ROT_STRIDE); - } - coda_write(dev, CODA_ROT_MIR_ENABLE | ctx->params.rot_mode, - CODA_CMD_DEC_PIC_ROT_MODE); - - switch (dev->devtype->product) { - case CODA_DX6: - /* TBD */ - case CODA_7541: - coda_write(dev, CODA_PRE_SCAN_EN, CODA_CMD_DEC_PIC_OPTION); - break; - case CODA_960: - coda_write(dev, (1 << 10), CODA_CMD_DEC_PIC_OPTION); /* 'hardcode to use interrupt disable mode'? */ - break; - } - - coda_write(dev, 0, CODA_CMD_DEC_PIC_SKIP_NUM); - - coda_write(dev, 0, CODA_CMD_DEC_PIC_BB_START); - coda_write(dev, 0, CODA_CMD_DEC_PIC_START_BYTE); - - return 0; -} - -static void coda_prepare_encode(struct coda_ctx *ctx) -{ - struct coda_q_data *q_data_src, *q_data_dst; - struct vb2_buffer *src_buf, *dst_buf; - struct coda_dev *dev = ctx->dev; - int force_ipicture; - int quant_param = 0; - u32 picture_y, picture_cb, picture_cr; - u32 pic_stream_buffer_addr, pic_stream_buffer_size; - u32 dst_fourcc; - - src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); - dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); - q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - dst_fourcc = q_data_dst->fourcc; - - src_buf->v4l2_buf.sequence = ctx->osequence; - dst_buf->v4l2_buf.sequence = ctx->osequence; - ctx->osequence++; - - /* - * Workaround coda firmware BUG that only marks the first - * frame as IDR. This is a problem for some decoders that can't - * recover when a frame is lost. - */ - if (src_buf->v4l2_buf.sequence % ctx->params.gop_size) { - src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME; - src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME; - } else { - src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME; - src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME; - } - - if (dev->devtype->product == CODA_960) - coda_set_gdi_regs(ctx); - - /* - * Copy headers at the beginning of the first frame for H.264 only. - * In MPEG4 they are already copied by the coda. - */ - if (src_buf->v4l2_buf.sequence == 0) { - pic_stream_buffer_addr = - vb2_dma_contig_plane_dma_addr(dst_buf, 0) + - ctx->vpu_header_size[0] + - ctx->vpu_header_size[1] + - ctx->vpu_header_size[2]; - pic_stream_buffer_size = CODA_MAX_FRAME_SIZE - - ctx->vpu_header_size[0] - - ctx->vpu_header_size[1] - - ctx->vpu_header_size[2]; - memcpy(vb2_plane_vaddr(dst_buf, 0), - &ctx->vpu_header[0][0], ctx->vpu_header_size[0]); - memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0], - &ctx->vpu_header[1][0], ctx->vpu_header_size[1]); - memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0] + - ctx->vpu_header_size[1], &ctx->vpu_header[2][0], - ctx->vpu_header_size[2]); - } else { - pic_stream_buffer_addr = - vb2_dma_contig_plane_dma_addr(dst_buf, 0); - pic_stream_buffer_size = CODA_MAX_FRAME_SIZE; - } - - if (src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) { - force_ipicture = 1; - switch (dst_fourcc) { - case V4L2_PIX_FMT_H264: - quant_param = ctx->params.h264_intra_qp; - break; - case V4L2_PIX_FMT_MPEG4: - quant_param = ctx->params.mpeg4_intra_qp; - break; - default: - v4l2_warn(&ctx->dev->v4l2_dev, - "cannot set intra qp, fmt not supported\n"); - break; - } - } else { - force_ipicture = 0; - switch (dst_fourcc) { - case V4L2_PIX_FMT_H264: - quant_param = ctx->params.h264_inter_qp; - break; - case V4L2_PIX_FMT_MPEG4: - quant_param = ctx->params.mpeg4_inter_qp; - break; - default: - v4l2_warn(&ctx->dev->v4l2_dev, - "cannot set inter qp, fmt not supported\n"); - break; - } - } - - /* submit */ - coda_write(dev, CODA_ROT_MIR_ENABLE | ctx->params.rot_mode, CODA_CMD_ENC_PIC_ROT_MODE); - coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS); - - - picture_y = vb2_dma_contig_plane_dma_addr(src_buf, 0); - switch (q_data_src->fourcc) { - case V4L2_PIX_FMT_YVU420: - /* Switch Cb and Cr for YVU420 format */ - picture_cr = picture_y + q_data_src->bytesperline * - q_data_src->height; - picture_cb = picture_cr + q_data_src->bytesperline / 2 * - q_data_src->height / 2; - break; - case V4L2_PIX_FMT_YUV420: - default: - picture_cb = picture_y + q_data_src->bytesperline * - q_data_src->height; - picture_cr = picture_cb + q_data_src->bytesperline / 2 * - q_data_src->height / 2; - break; - } - - if (dev->devtype->product == CODA_960) { - coda_write(dev, 4/*FIXME: 0*/, CODA9_CMD_ENC_PIC_SRC_INDEX); - coda_write(dev, q_data_src->width, CODA9_CMD_ENC_PIC_SRC_STRIDE); - coda_write(dev, 0, CODA9_CMD_ENC_PIC_SUB_FRAME_SYNC); - - coda_write(dev, picture_y, CODA9_CMD_ENC_PIC_SRC_ADDR_Y); - coda_write(dev, picture_cb, CODA9_CMD_ENC_PIC_SRC_ADDR_CB); - coda_write(dev, picture_cr, CODA9_CMD_ENC_PIC_SRC_ADDR_CR); - } else { - coda_write(dev, picture_y, CODA_CMD_ENC_PIC_SRC_ADDR_Y); - coda_write(dev, picture_cb, CODA_CMD_ENC_PIC_SRC_ADDR_CB); - coda_write(dev, picture_cr, CODA_CMD_ENC_PIC_SRC_ADDR_CR); - } - coda_write(dev, force_ipicture << 1 & 0x2, - CODA_CMD_ENC_PIC_OPTION); - - coda_write(dev, pic_stream_buffer_addr, CODA_CMD_ENC_PIC_BB_START); - coda_write(dev, pic_stream_buffer_size / 1024, - CODA_CMD_ENC_PIC_BB_SIZE); - - if (!ctx->streamon_out) { - /* After streamoff on the output side, set the stream end flag */ - ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG; - coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM); - } -} - -static void coda_device_run(void *m2m_priv) -{ - struct coda_ctx *ctx = m2m_priv; - struct coda_dev *dev = ctx->dev; - - queue_work(dev->workqueue, &ctx->pic_run_work); -} - -static void coda_free_framebuffers(struct coda_ctx *ctx); -static void coda_free_context_buffers(struct coda_ctx *ctx); - -static void coda_seq_end_work(struct work_struct *work) -{ - struct coda_ctx *ctx = container_of(work, struct coda_ctx, seq_end_work); - struct coda_dev *dev = ctx->dev; - - mutex_lock(&ctx->buffer_mutex); - mutex_lock(&dev->coda_mutex); - - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, - "%d: %s: sent command 'SEQ_END' to coda\n", ctx->idx, __func__); - if (coda_command_sync(ctx, CODA_COMMAND_SEQ_END)) { - v4l2_err(&dev->v4l2_dev, - "CODA_COMMAND_SEQ_END failed\n"); - } - - kfifo_init(&ctx->bitstream_fifo, - ctx->bitstream.vaddr, ctx->bitstream.size); - - coda_free_framebuffers(ctx); - coda_free_context_buffers(ctx); - - mutex_unlock(&dev->coda_mutex); - mutex_unlock(&ctx->buffer_mutex); -} - -static void coda_finish_decode(struct coda_ctx *ctx); -static void coda_finish_encode(struct coda_ctx *ctx); - -static void coda_pic_run_work(struct work_struct *work) -{ - struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work); - struct coda_dev *dev = ctx->dev; - int ret; - - mutex_lock(&ctx->buffer_mutex); - mutex_lock(&dev->coda_mutex); - - if (ctx->inst_type == CODA_INST_DECODER) { - ret = coda_prepare_decode(ctx); - if (ret < 0) { - mutex_unlock(&dev->coda_mutex); - mutex_unlock(&ctx->buffer_mutex); - /* job_finish scheduled by prepare_decode */ - return; - } - } else { - coda_prepare_encode(ctx); - } - - if (dev->devtype->product != CODA_DX6) - coda_write(dev, ctx->iram_info.axi_sram_use, - CODA7_REG_BIT_AXI_SRAM_USE); - - if (ctx->inst_type == CODA_INST_DECODER) - coda_kfifo_sync_to_device_full(ctx); - coda_command_async(ctx, CODA_COMMAND_PIC_RUN); - - if (!wait_for_completion_timeout(&ctx->completion, msecs_to_jiffies(1000))) { - dev_err(&dev->plat_dev->dev, "CODA PIC_RUN timeout\n"); - - ctx->hold = true; - - coda_hw_reset(ctx); - } else if (!ctx->aborting) { - if (ctx->inst_type == CODA_INST_DECODER) - coda_finish_decode(ctx); - else - coda_finish_encode(ctx); - } - - if (ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) - queue_work(dev->workqueue, &ctx->seq_end_work); - - mutex_unlock(&dev->coda_mutex); - mutex_unlock(&ctx->buffer_mutex); - - v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx); -} - -static int coda_job_ready(void *m2m_priv) -{ - struct coda_ctx *ctx = m2m_priv; - - /* - * For both 'P' and 'key' frame cases 1 picture - * and 1 frame are needed. In the decoder case, - * the compressed frame can be in the bitstream. - */ - if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) && - ctx->inst_type != CODA_INST_DECODER) { - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "not ready: not enough video buffers.\n"); - return 0; - } - - if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) { - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "not ready: not enough video capture buffers.\n"); - return 0; - } - - if (ctx->hold || - ((ctx->inst_type == CODA_INST_DECODER) && - (coda_get_bitstream_payload(ctx) < 512) && - !(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) { - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "%d: not ready: not enough bitstream data.\n", - ctx->idx); - return 0; - } - - if (ctx->aborting) { - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "not ready: aborting\n"); - return 0; - } - - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "job ready\n"); - return 1; -} - -static void coda_job_abort(void *priv) -{ - struct coda_ctx *ctx = priv; - - ctx->aborting = 1; - - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "Aborting task\n"); -} - -static void coda_lock(void *m2m_priv) -{ - struct coda_ctx *ctx = m2m_priv; - struct coda_dev *pcdev = ctx->dev; - mutex_lock(&pcdev->dev_mutex); -} - -static void coda_unlock(void *m2m_priv) -{ - struct coda_ctx *ctx = m2m_priv; - struct coda_dev *pcdev = ctx->dev; - mutex_unlock(&pcdev->dev_mutex); -} - -static struct v4l2_m2m_ops coda_m2m_ops = { - .device_run = coda_device_run, - .job_ready = coda_job_ready, - .job_abort = coda_job_abort, - .lock = coda_lock, - .unlock = coda_unlock, -}; - -static void coda_set_tiled_map_type(struct coda_ctx *ctx, int tiled_map_type) -{ - struct gdi_tiled_map *tiled_map = &ctx->tiled_map; - int luma_map, chro_map, i; - - memset(tiled_map, 0, sizeof(*tiled_map)); - - luma_map = 64; - chro_map = 64; - tiled_map->map_type = tiled_map_type; - for (i = 0; i < 16; i++) - tiled_map->xy2ca_map[i] = luma_map << 8 | chro_map; - for (i = 0; i < 4; i++) - tiled_map->xy2ba_map[i] = luma_map << 8 | chro_map; - for (i = 0; i < 16; i++) - tiled_map->xy2ra_map[i] = luma_map << 8 | chro_map; - - if (tiled_map_type == GDI_LINEAR_FRAME_MAP) { - tiled_map->xy2rbc_config = 0; - } else { - dev_err(&ctx->dev->plat_dev->dev, "invalid map type: %d\n", - tiled_map_type); - return; - } -} - -static void set_default_params(struct coda_ctx *ctx) -{ - int max_w; - int max_h; - - ctx->codec = &ctx->dev->devtype->codecs[0]; - max_w = ctx->codec->max_w; - max_h = ctx->codec->max_h; - - ctx->params.codec_mode = CODA_MODE_INVALID; - ctx->colorspace = V4L2_COLORSPACE_REC709; - ctx->params.framerate = 30; - ctx->aborting = 0; - - /* Default formats for output and input queues */ - ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->codec->src_fourcc; - ctx->q_data[V4L2_M2M_DST].fourcc = ctx->codec->dst_fourcc; - ctx->q_data[V4L2_M2M_SRC].width = max_w; - ctx->q_data[V4L2_M2M_SRC].height = max_h; - ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w; - ctx->q_data[V4L2_M2M_SRC].sizeimage = (max_w * max_h * 3) / 2; - ctx->q_data[V4L2_M2M_DST].width = max_w; - ctx->q_data[V4L2_M2M_DST].height = max_h; - ctx->q_data[V4L2_M2M_DST].bytesperline = 0; - ctx->q_data[V4L2_M2M_DST].sizeimage = CODA_MAX_FRAME_SIZE; - ctx->q_data[V4L2_M2M_SRC].rect.width = max_w; - ctx->q_data[V4L2_M2M_SRC].rect.height = max_h; - ctx->q_data[V4L2_M2M_DST].rect.width = max_w; - ctx->q_data[V4L2_M2M_DST].rect.height = max_h; - - if (ctx->dev->devtype->product == CODA_960) - coda_set_tiled_map_type(ctx, GDI_LINEAR_FRAME_MAP); -} - -/* - * Queue operations - */ -static int coda_queue_setup(struct vb2_queue *vq, - const struct v4l2_format *fmt, - unsigned int *nbuffers, unsigned int *nplanes, - unsigned int sizes[], void *alloc_ctxs[]) -{ - struct coda_ctx *ctx = vb2_get_drv_priv(vq); - struct coda_q_data *q_data; - unsigned int size; - - q_data = get_q_data(ctx, vq->type); - size = q_data->sizeimage; - - *nplanes = 1; - sizes[0] = size; - - alloc_ctxs[0] = ctx->dev->alloc_ctx; - - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "get %d buffer(s) of size %d each.\n", *nbuffers, size); - - return 0; -} - -static int coda_buf_prepare(struct vb2_buffer *vb) -{ - struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); - struct coda_q_data *q_data; - - q_data = get_q_data(ctx, vb->vb2_queue->type); - - if (vb2_plane_size(vb, 0) < q_data->sizeimage) { - v4l2_warn(&ctx->dev->v4l2_dev, - "%s data will not fit into plane (%lu < %lu)\n", - __func__, vb2_plane_size(vb, 0), - (long)q_data->sizeimage); - return -EINVAL; - } - - return 0; -} - -static void coda_buf_queue(struct vb2_buffer *vb) -{ - struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); - struct coda_dev *dev = ctx->dev; - struct coda_q_data *q_data; - - q_data = get_q_data(ctx, vb->vb2_queue->type); - - /* - * In the decoder case, immediately try to copy the buffer into the - * bitstream ringbuffer and mark it as ready to be dequeued. - */ - if (q_data->fourcc == V4L2_PIX_FMT_H264 && - vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { - /* - * For backwards compatibility, queuing an empty buffer marks - * the stream end - */ - if (vb2_get_plane_payload(vb, 0) == 0) { - ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG; - if ((dev->devtype->product == CODA_960) && - coda_isbusy(dev) && - (ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX))) { - /* if this decoder instance is running, set the stream end flag */ - coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM); - } - } - mutex_lock(&ctx->bitstream_mutex); - v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); - coda_fill_bitstream(ctx); - mutex_unlock(&ctx->bitstream_mutex); - } else { - v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); - } -} - -static void coda_parabuf_write(struct coda_ctx *ctx, int index, u32 value) -{ - struct coda_dev *dev = ctx->dev; - u32 *p = ctx->parabuf.vaddr; - - if (dev->devtype->product == CODA_DX6) - p[index] = value; - else - p[index ^ 1] = value; -} - -static int coda_alloc_aux_buf(struct coda_dev *dev, - struct coda_aux_buf *buf, size_t size, - const char *name, struct dentry *parent) -{ - buf->vaddr = dma_alloc_coherent(&dev->plat_dev->dev, size, &buf->paddr, - GFP_KERNEL); - if (!buf->vaddr) - return -ENOMEM; - - buf->size = size; - - if (name && parent) { - buf->blob.data = buf->vaddr; - buf->blob.size = size; - buf->dentry = debugfs_create_blob(name, 0644, parent, &buf->blob); - if (!buf->dentry) - dev_warn(&dev->plat_dev->dev, - "failed to create debugfs entry %s\n", name); - } - - return 0; -} - -static inline int coda_alloc_context_buf(struct coda_ctx *ctx, - struct coda_aux_buf *buf, size_t size, - const char *name) -{ - return coda_alloc_aux_buf(ctx->dev, buf, size, name, ctx->debugfs_entry); -} - -static void coda_free_aux_buf(struct coda_dev *dev, - struct coda_aux_buf *buf) -{ - if (buf->vaddr) { - dma_free_coherent(&dev->plat_dev->dev, buf->size, - buf->vaddr, buf->paddr); - buf->vaddr = NULL; - buf->size = 0; - } - debugfs_remove(buf->dentry); -} - -static void coda_free_framebuffers(struct coda_ctx *ctx) -{ - int i; - - for (i = 0; i < CODA_MAX_FRAMEBUFFERS; i++) - coda_free_aux_buf(ctx->dev, &ctx->internal_frames[i]); -} - -static int coda_alloc_framebuffers(struct coda_ctx *ctx, struct coda_q_data *q_data, u32 fourcc) -{ - struct coda_dev *dev = ctx->dev; - int width, height; - dma_addr_t paddr; - int ysize; - int ret; - int i; - - if (ctx->codec && (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 || - ctx->codec->dst_fourcc == V4L2_PIX_FMT_H264)) { - width = round_up(q_data->width, 16); - height = round_up(q_data->height, 16); - } else { - width = round_up(q_data->width, 8); - height = q_data->height; - } - ysize = width * height; - - /* Allocate frame buffers */ - for (i = 0; i < ctx->num_internal_frames; i++) { - size_t size; - char *name; - - size = ysize + ysize / 2; - if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 && - dev->devtype->product != CODA_DX6) - size += ysize / 4; - name = kasprintf(GFP_KERNEL, "fb%d", i); - ret = coda_alloc_context_buf(ctx, &ctx->internal_frames[i], - size, name); - kfree(name); - if (ret < 0) { - coda_free_framebuffers(ctx); - return ret; - } - } - - /* Register frame buffers in the parameter buffer */ - for (i = 0; i < ctx->num_internal_frames; i++) { - paddr = ctx->internal_frames[i].paddr; - coda_parabuf_write(ctx, i * 3 + 0, paddr); /* Y */ - coda_parabuf_write(ctx, i * 3 + 1, paddr + ysize); /* Cb */ - coda_parabuf_write(ctx, i * 3 + 2, paddr + ysize + ysize/4); /* Cr */ - - /* mvcol buffer for h.264 */ - if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 && - dev->devtype->product != CODA_DX6) - coda_parabuf_write(ctx, 96 + i, - ctx->internal_frames[i].paddr + - ysize + ysize/4 + ysize/4); - } - - /* mvcol buffer for mpeg4 */ - if ((dev->devtype->product != CODA_DX6) && - (ctx->codec->src_fourcc == V4L2_PIX_FMT_MPEG4)) - coda_parabuf_write(ctx, 97, ctx->internal_frames[i].paddr + - ysize + ysize/4 + ysize/4); - - return 0; -} - -static int coda_h264_padding(int size, char *p) -{ - int nal_size; - int diff; - - diff = size - (size & ~0x7); - if (diff == 0) - return 0; - - nal_size = coda_filler_size[diff]; - memcpy(p, coda_filler_nal, nal_size); - - /* Add rbsp stop bit and trailing at the end */ - *(p + nal_size - 1) = 0x80; - - return nal_size; -} - -static phys_addr_t coda_iram_alloc(struct coda_iram_info *iram, size_t size) -{ - phys_addr_t ret; - - size = round_up(size, 1024); - if (size > iram->remaining) - return 0; - iram->remaining -= size; - - ret = iram->next_paddr; - iram->next_paddr += size; - - return ret; -} - -static void coda_setup_iram(struct coda_ctx *ctx) -{ - struct coda_iram_info *iram_info = &ctx->iram_info; - struct coda_dev *dev = ctx->dev; - int mb_width; - int dbk_bits; - int bit_bits; - int ip_bits; - - memset(iram_info, 0, sizeof(*iram_info)); - iram_info->next_paddr = dev->iram.paddr; - iram_info->remaining = dev->iram.size; - - switch (dev->devtype->product) { - case CODA_7541: - dbk_bits = CODA7_USE_HOST_DBK_ENABLE | CODA7_USE_DBK_ENABLE; - bit_bits = CODA7_USE_HOST_BIT_ENABLE | CODA7_USE_BIT_ENABLE; - ip_bits = CODA7_USE_HOST_IP_ENABLE | CODA7_USE_IP_ENABLE; - break; - case CODA_960: - dbk_bits = CODA9_USE_HOST_DBK_ENABLE | CODA9_USE_DBK_ENABLE; - bit_bits = CODA9_USE_HOST_BIT_ENABLE | CODA7_USE_BIT_ENABLE; - ip_bits = CODA9_USE_HOST_IP_ENABLE | CODA7_USE_IP_ENABLE; - break; - default: /* CODA_DX6 */ - return; - } - - if (ctx->inst_type == CODA_INST_ENCODER) { - struct coda_q_data *q_data_src; - - q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - mb_width = DIV_ROUND_UP(q_data_src->width, 16); - - /* Prioritize in case IRAM is too small for everything */ - if (dev->devtype->product == CODA_7541) { - iram_info->search_ram_size = round_up(mb_width * 16 * - 36 + 2048, 1024); - iram_info->search_ram_paddr = coda_iram_alloc(iram_info, - iram_info->search_ram_size); - if (!iram_info->search_ram_paddr) { - pr_err("IRAM is smaller than the search ram size\n"); - goto out; - } - iram_info->axi_sram_use |= CODA7_USE_HOST_ME_ENABLE | - CODA7_USE_ME_ENABLE; - } - - /* Only H.264BP and H.263P3 are considered */ - iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, 64 * mb_width); - iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, 64 * mb_width); - if (!iram_info->buf_dbk_c_use) - goto out; - iram_info->axi_sram_use |= dbk_bits; - - iram_info->buf_bit_use = coda_iram_alloc(iram_info, 128 * mb_width); - if (!iram_info->buf_bit_use) - goto out; - iram_info->axi_sram_use |= bit_bits; - - iram_info->buf_ip_ac_dc_use = coda_iram_alloc(iram_info, 128 * mb_width); - if (!iram_info->buf_ip_ac_dc_use) - goto out; - iram_info->axi_sram_use |= ip_bits; - - /* OVL and BTP disabled for encoder */ - } else if (ctx->inst_type == CODA_INST_DECODER) { - struct coda_q_data *q_data_dst; - - q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - mb_width = DIV_ROUND_UP(q_data_dst->width, 16); - - iram_info->buf_dbk_y_use = coda_iram_alloc(iram_info, 128 * mb_width); - iram_info->buf_dbk_c_use = coda_iram_alloc(iram_info, 128 * mb_width); - if (!iram_info->buf_dbk_c_use) - goto out; - iram_info->axi_sram_use |= dbk_bits; - - iram_info->buf_bit_use = coda_iram_alloc(iram_info, 128 * mb_width); - if (!iram_info->buf_bit_use) - goto out; - iram_info->axi_sram_use |= bit_bits; - - iram_info->buf_ip_ac_dc_use = coda_iram_alloc(iram_info, 128 * mb_width); - if (!iram_info->buf_ip_ac_dc_use) - goto out; - iram_info->axi_sram_use |= ip_bits; - - /* OVL and BTP unused as there is no VC1 support yet */ - } - -out: - if (!(iram_info->axi_sram_use & CODA7_USE_HOST_IP_ENABLE)) - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "IRAM smaller than needed\n"); - - if (dev->devtype->product == CODA_7541) { - /* TODO - Enabling these causes picture errors on CODA7541 */ - if (ctx->inst_type == CODA_INST_DECODER) { - /* fw 1.4.50 */ - iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE | - CODA7_USE_IP_ENABLE); - } else { - /* fw 13.4.29 */ - iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE | - CODA7_USE_HOST_DBK_ENABLE | - CODA7_USE_IP_ENABLE | - CODA7_USE_DBK_ENABLE); - } - } -} - -static void coda_free_context_buffers(struct coda_ctx *ctx) -{ - struct coda_dev *dev = ctx->dev; - - coda_free_aux_buf(dev, &ctx->slicebuf); - coda_free_aux_buf(dev, &ctx->psbuf); - if (dev->devtype->product != CODA_DX6) - coda_free_aux_buf(dev, &ctx->workbuf); -} - -static int coda_alloc_context_buffers(struct coda_ctx *ctx, - struct coda_q_data *q_data) -{ - struct coda_dev *dev = ctx->dev; - size_t size; - int ret; - - if (dev->devtype->product == CODA_DX6) - return 0; - - if (ctx->psbuf.vaddr) { - v4l2_err(&dev->v4l2_dev, "psmembuf still allocated\n"); - return -EBUSY; - } - if (ctx->slicebuf.vaddr) { - v4l2_err(&dev->v4l2_dev, "slicebuf still allocated\n"); - return -EBUSY; - } - if (ctx->workbuf.vaddr) { - v4l2_err(&dev->v4l2_dev, "context buffer still allocated\n"); - ret = -EBUSY; - return -ENOMEM; - } - - if (q_data->fourcc == V4L2_PIX_FMT_H264) { - /* worst case slice size */ - size = (DIV_ROUND_UP(q_data->width, 16) * - DIV_ROUND_UP(q_data->height, 16)) * 3200 / 8 + 512; - ret = coda_alloc_context_buf(ctx, &ctx->slicebuf, size, "slicebuf"); - if (ret < 0) { - v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte slice buffer", - ctx->slicebuf.size); - return ret; - } - } - - if (dev->devtype->product == CODA_7541) { - ret = coda_alloc_context_buf(ctx, &ctx->psbuf, CODA7_PS_BUF_SIZE, "psbuf"); - if (ret < 0) { - v4l2_err(&dev->v4l2_dev, "failed to allocate psmem buffer"); - goto err; - } - } - - size = dev->devtype->workbuf_size; - if (dev->devtype->product == CODA_960 && - q_data->fourcc == V4L2_PIX_FMT_H264) - size += CODA9_PS_SAVE_SIZE; - ret = coda_alloc_context_buf(ctx, &ctx->workbuf, size, "workbuf"); - if (ret < 0) { - v4l2_err(&dev->v4l2_dev, "failed to allocate %d byte context buffer", - ctx->workbuf.size); - goto err; - } - - return 0; - -err: - coda_free_context_buffers(ctx); - return ret; -} - -static int coda_start_decoding(struct coda_ctx *ctx) -{ - struct coda_q_data *q_data_src, *q_data_dst; - u32 bitstream_buf, bitstream_size; - struct coda_dev *dev = ctx->dev; - int width, height; - u32 src_fourcc; - u32 val; - int ret; - - /* Start decoding */ - q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - bitstream_buf = ctx->bitstream.paddr; - bitstream_size = ctx->bitstream.size; - src_fourcc = q_data_src->fourcc; - - coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR); - - /* Update coda bitstream read and write pointers from kfifo */ - coda_kfifo_sync_to_device_full(ctx); - - ctx->display_idx = -1; - ctx->frm_dis_flg = 0; - coda_write(dev, 0, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx)); - - coda_write(dev, CODA_BIT_DEC_SEQ_INIT_ESCAPE, - CODA_REG_BIT_BIT_STREAM_PARAM); - - coda_write(dev, bitstream_buf, CODA_CMD_DEC_SEQ_BB_START); - coda_write(dev, bitstream_size / 1024, CODA_CMD_DEC_SEQ_BB_SIZE); - val = 0; - if ((dev->devtype->product == CODA_7541) || - (dev->devtype->product == CODA_960)) - val |= CODA_REORDER_ENABLE; - coda_write(dev, val, CODA_CMD_DEC_SEQ_OPTION); - - ctx->params.codec_mode = ctx->codec->mode; - if (dev->devtype->product == CODA_960 && - src_fourcc == V4L2_PIX_FMT_MPEG4) - ctx->params.codec_mode_aux = CODA_MP4_AUX_MPEG4; - else - ctx->params.codec_mode_aux = 0; - if (src_fourcc == V4L2_PIX_FMT_H264) { - if (dev->devtype->product == CODA_7541) { - coda_write(dev, ctx->psbuf.paddr, - CODA_CMD_DEC_SEQ_PS_BB_START); - coda_write(dev, (CODA7_PS_BUF_SIZE / 1024), - CODA_CMD_DEC_SEQ_PS_BB_SIZE); - } - if (dev->devtype->product == CODA_960) { - coda_write(dev, 0, CODA_CMD_DEC_SEQ_X264_MV_EN); - coda_write(dev, 512, CODA_CMD_DEC_SEQ_SPP_CHUNK_SIZE); - } - } - if (dev->devtype->product != CODA_960) { - coda_write(dev, 0, CODA_CMD_DEC_SEQ_SRC_SIZE); - } - - if (coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT)) { - v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n"); - coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM); - return -ETIMEDOUT; - } - - /* Update kfifo out pointer from coda bitstream read pointer */ - coda_kfifo_sync_from_device(ctx); - - coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM); - - if (coda_read(dev, CODA_RET_DEC_SEQ_SUCCESS) == 0) { - v4l2_err(&dev->v4l2_dev, - "CODA_COMMAND_SEQ_INIT failed, error code = %d\n", - coda_read(dev, CODA_RET_DEC_SEQ_ERR_REASON)); - return -EAGAIN; - } - - val = coda_read(dev, CODA_RET_DEC_SEQ_SRC_SIZE); - if (dev->devtype->product == CODA_DX6) { - width = (val >> CODADX6_PICWIDTH_OFFSET) & CODADX6_PICWIDTH_MASK; - height = val & CODADX6_PICHEIGHT_MASK; - } else { - width = (val >> CODA7_PICWIDTH_OFFSET) & CODA7_PICWIDTH_MASK; - height = val & CODA7_PICHEIGHT_MASK; - } - - if (width > q_data_dst->width || height > q_data_dst->height) { - v4l2_err(&dev->v4l2_dev, "stream is %dx%d, not %dx%d\n", - width, height, q_data_dst->width, q_data_dst->height); - return -EINVAL; - } - - width = round_up(width, 16); - height = round_up(height, 16); - - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "%s instance %d now: %dx%d\n", - __func__, ctx->idx, width, height); - - ctx->num_internal_frames = coda_read(dev, CODA_RET_DEC_SEQ_FRAME_NEED); - if (ctx->num_internal_frames > CODA_MAX_FRAMEBUFFERS) { - v4l2_err(&dev->v4l2_dev, - "not enough framebuffers to decode (%d < %d)\n", - CODA_MAX_FRAMEBUFFERS, ctx->num_internal_frames); - return -EINVAL; - } - - if (src_fourcc == V4L2_PIX_FMT_H264) { - u32 left_right; - u32 top_bottom; - - left_right = coda_read(dev, CODA_RET_DEC_SEQ_CROP_LEFT_RIGHT); - top_bottom = coda_read(dev, CODA_RET_DEC_SEQ_CROP_TOP_BOTTOM); - - q_data_dst->rect.left = (left_right >> 10) & 0x3ff; - q_data_dst->rect.top = (top_bottom >> 10) & 0x3ff; - q_data_dst->rect.width = width - q_data_dst->rect.left - - (left_right & 0x3ff); - q_data_dst->rect.height = height - q_data_dst->rect.top - - (top_bottom & 0x3ff); - } - - ret = coda_alloc_framebuffers(ctx, q_data_dst, src_fourcc); - if (ret < 0) - return ret; - - /* Tell the decoder how many frame buffers we allocated. */ - coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM); - coda_write(dev, width, CODA_CMD_SET_FRAME_BUF_STRIDE); - - if (dev->devtype->product != CODA_DX6) { - /* Set secondary AXI IRAM */ - coda_setup_iram(ctx); - - coda_write(dev, ctx->iram_info.buf_bit_use, - CODA7_CMD_SET_FRAME_AXI_BIT_ADDR); - coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use, - CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR); - coda_write(dev, ctx->iram_info.buf_dbk_y_use, - CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR); - coda_write(dev, ctx->iram_info.buf_dbk_c_use, - CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR); - coda_write(dev, ctx->iram_info.buf_ovl_use, - CODA7_CMD_SET_FRAME_AXI_OVL_ADDR); - if (dev->devtype->product == CODA_960) - coda_write(dev, ctx->iram_info.buf_btp_use, - CODA9_CMD_SET_FRAME_AXI_BTP_ADDR); - } - - if (dev->devtype->product == CODA_960) { - coda_write(dev, -1, CODA9_CMD_SET_FRAME_DELAY); - - coda_write(dev, 0x20262024, CODA9_CMD_SET_FRAME_CACHE_SIZE); - coda_write(dev, 2 << CODA9_CACHE_PAGEMERGE_OFFSET | - 32 << CODA9_CACHE_LUMA_BUFFER_SIZE_OFFSET | - 8 << CODA9_CACHE_CB_BUFFER_SIZE_OFFSET | - 8 << CODA9_CACHE_CR_BUFFER_SIZE_OFFSET, - CODA9_CMD_SET_FRAME_CACHE_CONFIG); - } - - if (src_fourcc == V4L2_PIX_FMT_H264) { - coda_write(dev, ctx->slicebuf.paddr, - CODA_CMD_SET_FRAME_SLICE_BB_START); - coda_write(dev, ctx->slicebuf.size / 1024, - CODA_CMD_SET_FRAME_SLICE_BB_SIZE); - } - - if (dev->devtype->product == CODA_7541) { - int max_mb_x = 1920 / 16; - int max_mb_y = 1088 / 16; - int max_mb_num = max_mb_x * max_mb_y; - - coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y, - CODA7_CMD_SET_FRAME_MAX_DEC_SIZE); - } else if (dev->devtype->product == CODA_960) { - int max_mb_x = 1920 / 16; - int max_mb_y = 1088 / 16; - int max_mb_num = max_mb_x * max_mb_y; - - coda_write(dev, max_mb_num << 16 | max_mb_x << 8 | max_mb_y, - CODA9_CMD_SET_FRAME_MAX_DEC_SIZE); - } - - if (coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF)) { - v4l2_err(&ctx->dev->v4l2_dev, - "CODA_COMMAND_SET_FRAME_BUF timeout\n"); - return -ETIMEDOUT; - } - - return 0; -} - -static int coda_encode_header(struct coda_ctx *ctx, struct vb2_buffer *buf, - int header_code, u8 *header, int *size) -{ - struct coda_dev *dev = ctx->dev; - size_t bufsize; - int ret; - int i; - - if (dev->devtype->product == CODA_960) - memset(vb2_plane_vaddr(buf, 0), 0, 64); - - coda_write(dev, vb2_dma_contig_plane_dma_addr(buf, 0), - CODA_CMD_ENC_HEADER_BB_START); - bufsize = vb2_plane_size(buf, 0); - if (dev->devtype->product == CODA_960) - bufsize /= 1024; - coda_write(dev, bufsize, CODA_CMD_ENC_HEADER_BB_SIZE); - coda_write(dev, header_code, CODA_CMD_ENC_HEADER_CODE); - ret = coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER); - if (ret < 0) { - v4l2_err(&dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER timeout\n"); - return ret; - } - - if (dev->devtype->product == CODA_960) { - for (i = 63; i > 0; i--) - if (((char *)vb2_plane_vaddr(buf, 0))[i] != 0) - break; - *size = i + 1; - } else { - *size = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx)) - - coda_read(dev, CODA_CMD_ENC_HEADER_BB_START); - } - memcpy(header, vb2_plane_vaddr(buf, 0), *size); - - return 0; -} - -static int coda_start_encoding(struct coda_ctx *ctx); - -static int coda_start_streaming(struct vb2_queue *q, unsigned int count) -{ - struct coda_ctx *ctx = vb2_get_drv_priv(q); - struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev; - struct coda_dev *dev = ctx->dev; - struct coda_q_data *q_data_src, *q_data_dst; - u32 dst_fourcc; - int ret = 0; - - q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { - if (q_data_src->fourcc == V4L2_PIX_FMT_H264) { - if (coda_get_bitstream_payload(ctx) < 512) - return -EINVAL; - } else { - if (count < 1) - return -EINVAL; - } - - ctx->streamon_out = 1; - - if (coda_format_is_yuv(q_data_src->fourcc)) - ctx->inst_type = CODA_INST_ENCODER; - else - ctx->inst_type = CODA_INST_DECODER; - } else { - if (count < 1) - return -EINVAL; - - ctx->streamon_cap = 1; - } - - /* Don't start the coda unless both queues are on */ - if (!(ctx->streamon_out & ctx->streamon_cap)) - return 0; - - /* Allow decoder device_run with no new buffers queued */ - if (ctx->inst_type == CODA_INST_DECODER) - v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true); - - ctx->gopcounter = ctx->params.gop_size - 1; - q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - dst_fourcc = q_data_dst->fourcc; - - ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc, - q_data_dst->fourcc); - if (!ctx->codec) { - v4l2_err(v4l2_dev, "couldn't tell instance type.\n"); - return -EINVAL; - } - - /* Allocate per-instance buffers */ - ret = coda_alloc_context_buffers(ctx, q_data_src); - if (ret < 0) - return ret; - - if (ctx->inst_type == CODA_INST_DECODER) { - mutex_lock(&dev->coda_mutex); - ret = coda_start_decoding(ctx); - mutex_unlock(&dev->coda_mutex); - if (ret == -EAGAIN) - return 0; - else if (ret < 0) - return ret; - } else { - ret = coda_start_encoding(ctx); - } - - ctx->initialized = 1; - return ret; -} - -static int coda_start_encoding(struct coda_ctx *ctx) -{ - struct coda_dev *dev = ctx->dev; - struct v4l2_device *v4l2_dev = &dev->v4l2_dev; - struct coda_q_data *q_data_src, *q_data_dst; - u32 bitstream_buf, bitstream_size; - struct vb2_buffer *buf; - int gamma, ret, value; - u32 dst_fourcc; - - q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - dst_fourcc = q_data_dst->fourcc; - - buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); - bitstream_buf = vb2_dma_contig_plane_dma_addr(buf, 0); - bitstream_size = q_data_dst->sizeimage; - - if (!coda_is_initialized(dev)) { - v4l2_err(v4l2_dev, "coda is not initialized.\n"); - return -EFAULT; - } - - mutex_lock(&dev->coda_mutex); - - coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR); - coda_write(dev, bitstream_buf, CODA_REG_BIT_RD_PTR(ctx->reg_idx)); - coda_write(dev, bitstream_buf, CODA_REG_BIT_WR_PTR(ctx->reg_idx)); - switch (dev->devtype->product) { - case CODA_DX6: - coda_write(dev, CODADX6_STREAM_BUF_DYNALLOC_EN | - CODADX6_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL); - break; - case CODA_960: - coda_write(dev, 0, CODA9_GDI_WPROT_RGN_EN); - /* fallthrough */ - case CODA_7541: - coda_write(dev, CODA7_STREAM_BUF_DYNALLOC_EN | - CODA7_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL); - break; - } - - value = coda_read(dev, CODA_REG_BIT_FRAME_MEM_CTRL); - value &= ~(1 << 2 | 0x7 << 9); - ctx->frame_mem_ctrl = value; - coda_write(dev, value, CODA_REG_BIT_FRAME_MEM_CTRL); - - if (dev->devtype->product == CODA_DX6) { - /* Configure the coda */ - coda_write(dev, dev->iram.paddr, CODADX6_REG_BIT_SEARCH_RAM_BASE_ADDR); - } - - /* Could set rotation here if needed */ - switch (dev->devtype->product) { - case CODA_DX6: - value = (q_data_src->width & CODADX6_PICWIDTH_MASK) << CODADX6_PICWIDTH_OFFSET; - value |= (q_data_src->height & CODADX6_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET; - break; - case CODA_7541: - if (dst_fourcc == V4L2_PIX_FMT_H264) { - value = (round_up(q_data_src->width, 16) & - CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET; - value |= (round_up(q_data_src->height, 16) & - CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET; - break; - } - /* fallthrough */ - case CODA_960: - value = (q_data_src->width & CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET; - value |= (q_data_src->height & CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET; - } - coda_write(dev, value, CODA_CMD_ENC_SEQ_SRC_SIZE); - coda_write(dev, ctx->params.framerate, - CODA_CMD_ENC_SEQ_SRC_F_RATE); - - ctx->params.codec_mode = ctx->codec->mode; - switch (dst_fourcc) { - case V4L2_PIX_FMT_MPEG4: - if (dev->devtype->product == CODA_960) - coda_write(dev, CODA9_STD_MPEG4, CODA_CMD_ENC_SEQ_COD_STD); - else - coda_write(dev, CODA_STD_MPEG4, CODA_CMD_ENC_SEQ_COD_STD); - coda_write(dev, 0, CODA_CMD_ENC_SEQ_MP4_PARA); - break; - case V4L2_PIX_FMT_H264: - if (dev->devtype->product == CODA_960) - coda_write(dev, CODA9_STD_H264, CODA_CMD_ENC_SEQ_COD_STD); - else - coda_write(dev, CODA_STD_H264, CODA_CMD_ENC_SEQ_COD_STD); - if (ctx->params.h264_deblk_enabled) { - value = ((ctx->params.h264_deblk_alpha & - CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK) << - CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET) | - ((ctx->params.h264_deblk_beta & - CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK) << - CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET); - } else { - value = 1 << CODA_264PARAM_DISABLEDEBLK_OFFSET; - } - coda_write(dev, value, CODA_CMD_ENC_SEQ_264_PARA); - break; - default: - v4l2_err(v4l2_dev, - "dst format (0x%08x) invalid.\n", dst_fourcc); - ret = -EINVAL; - goto out; - } - - switch (ctx->params.slice_mode) { - case V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE: - value = 0; - break; - case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB: - value = (ctx->params.slice_max_mb & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET; - value |= (1 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET; - value |= 1 & CODA_SLICING_MODE_MASK; - break; - case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES: - value = (ctx->params.slice_max_bits & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET; - value |= (0 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET; - value |= 1 & CODA_SLICING_MODE_MASK; - break; - } - coda_write(dev, value, CODA_CMD_ENC_SEQ_SLICE_MODE); - value = ctx->params.gop_size & CODA_GOP_SIZE_MASK; - coda_write(dev, value, CODA_CMD_ENC_SEQ_GOP_SIZE); - - if (ctx->params.bitrate) { - /* Rate control enabled */ - value = (ctx->params.bitrate & CODA_RATECONTROL_BITRATE_MASK) << CODA_RATECONTROL_BITRATE_OFFSET; - value |= 1 & CODA_RATECONTROL_ENABLE_MASK; - if (dev->devtype->product == CODA_960) - value |= BIT(31); /* disable autoskip */ - } else { - value = 0; - } - coda_write(dev, value, CODA_CMD_ENC_SEQ_RC_PARA); - - coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_BUF_SIZE); - coda_write(dev, ctx->params.intra_refresh, - CODA_CMD_ENC_SEQ_INTRA_REFRESH); - - coda_write(dev, bitstream_buf, CODA_CMD_ENC_SEQ_BB_START); - coda_write(dev, bitstream_size / 1024, CODA_CMD_ENC_SEQ_BB_SIZE); - - - value = 0; - if (dev->devtype->product == CODA_960) - gamma = CODA9_DEFAULT_GAMMA; - else - gamma = CODA_DEFAULT_GAMMA; - if (gamma > 0) { - coda_write(dev, (gamma & CODA_GAMMA_MASK) << CODA_GAMMA_OFFSET, - CODA_CMD_ENC_SEQ_RC_GAMMA); - } - - if (ctx->params.h264_min_qp || ctx->params.h264_max_qp) { - coda_write(dev, - ctx->params.h264_min_qp << CODA_QPMIN_OFFSET | - ctx->params.h264_max_qp << CODA_QPMAX_OFFSET, - CODA_CMD_ENC_SEQ_RC_QP_MIN_MAX); - } - if (dev->devtype->product == CODA_960) { - if (ctx->params.h264_max_qp) - value |= 1 << CODA9_OPTION_RCQPMAX_OFFSET; - if (CODA_DEFAULT_GAMMA > 0) - value |= 1 << CODA9_OPTION_GAMMA_OFFSET; - } else { - if (CODA_DEFAULT_GAMMA > 0) { - if (dev->devtype->product == CODA_DX6) - value |= 1 << CODADX6_OPTION_GAMMA_OFFSET; - else - value |= 1 << CODA7_OPTION_GAMMA_OFFSET; - } - if (ctx->params.h264_min_qp) - value |= 1 << CODA7_OPTION_RCQPMIN_OFFSET; - if (ctx->params.h264_max_qp) - value |= 1 << CODA7_OPTION_RCQPMAX_OFFSET; - } - coda_write(dev, value, CODA_CMD_ENC_SEQ_OPTION); - - coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_INTERVAL_MODE); - - coda_setup_iram(ctx); - - if (dst_fourcc == V4L2_PIX_FMT_H264) { - switch (dev->devtype->product) { - case CODA_DX6: - value = FMO_SLICE_SAVE_BUF_SIZE << 7; - coda_write(dev, value, CODADX6_CMD_ENC_SEQ_FMO); - break; - case CODA_7541: - coda_write(dev, ctx->iram_info.search_ram_paddr, - CODA7_CMD_ENC_SEQ_SEARCH_BASE); - coda_write(dev, ctx->iram_info.search_ram_size, - CODA7_CMD_ENC_SEQ_SEARCH_SIZE); - break; - case CODA_960: - coda_write(dev, 0, CODA9_CMD_ENC_SEQ_ME_OPTION); - coda_write(dev, 0, CODA9_CMD_ENC_SEQ_INTRA_WEIGHT); - } - } - - ret = coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT); - if (ret < 0) { - v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n"); - goto out; - } - - if (coda_read(dev, CODA_RET_ENC_SEQ_SUCCESS) == 0) { - v4l2_err(v4l2_dev, "CODA_COMMAND_SEQ_INIT failed\n"); - ret = -EFAULT; - goto out; - } - - if (dev->devtype->product == CODA_960) - ctx->num_internal_frames = 4; - else - ctx->num_internal_frames = 2; - ret = coda_alloc_framebuffers(ctx, q_data_src, dst_fourcc); - if (ret < 0) { - v4l2_err(v4l2_dev, "failed to allocate framebuffers\n"); - goto out; - } - - coda_write(dev, ctx->num_internal_frames, CODA_CMD_SET_FRAME_BUF_NUM); - coda_write(dev, q_data_src->bytesperline, - CODA_CMD_SET_FRAME_BUF_STRIDE); - if (dev->devtype->product == CODA_7541) { - coda_write(dev, q_data_src->bytesperline, - CODA7_CMD_SET_FRAME_SOURCE_BUF_STRIDE); - } - if (dev->devtype->product != CODA_DX6) { - coda_write(dev, ctx->iram_info.buf_bit_use, - CODA7_CMD_SET_FRAME_AXI_BIT_ADDR); - coda_write(dev, ctx->iram_info.buf_ip_ac_dc_use, - CODA7_CMD_SET_FRAME_AXI_IPACDC_ADDR); - coda_write(dev, ctx->iram_info.buf_dbk_y_use, - CODA7_CMD_SET_FRAME_AXI_DBKY_ADDR); - coda_write(dev, ctx->iram_info.buf_dbk_c_use, - CODA7_CMD_SET_FRAME_AXI_DBKC_ADDR); - coda_write(dev, ctx->iram_info.buf_ovl_use, - CODA7_CMD_SET_FRAME_AXI_OVL_ADDR); - if (dev->devtype->product == CODA_960) { - coda_write(dev, ctx->iram_info.buf_btp_use, - CODA9_CMD_SET_FRAME_AXI_BTP_ADDR); - - /* FIXME */ - coda_write(dev, ctx->internal_frames[2].paddr, CODA9_CMD_SET_FRAME_SUBSAMP_A); - coda_write(dev, ctx->internal_frames[3].paddr, CODA9_CMD_SET_FRAME_SUBSAMP_B); - } - } - - ret = coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF); - if (ret < 0) { - v4l2_err(v4l2_dev, "CODA_COMMAND_SET_FRAME_BUF timeout\n"); - goto out; - } - - /* Save stream headers */ - buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); - switch (dst_fourcc) { - case V4L2_PIX_FMT_H264: - /* - * Get SPS in the first frame and copy it to an - * intermediate buffer. - */ - ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_SPS, - &ctx->vpu_header[0][0], - &ctx->vpu_header_size[0]); - if (ret < 0) - goto out; - - /* - * Get PPS in the first frame and copy it to an - * intermediate buffer. - */ - ret = coda_encode_header(ctx, buf, CODA_HEADER_H264_PPS, - &ctx->vpu_header[1][0], - &ctx->vpu_header_size[1]); - if (ret < 0) - goto out; - - /* - * Length of H.264 headers is variable and thus it might not be - * aligned for the coda to append the encoded frame. In that is - * the case a filler NAL must be added to header 2. - */ - ctx->vpu_header_size[2] = coda_h264_padding( - (ctx->vpu_header_size[0] + - ctx->vpu_header_size[1]), - ctx->vpu_header[2]); - break; - case V4L2_PIX_FMT_MPEG4: - /* - * Get VOS in the first frame and copy it to an - * intermediate buffer - */ - ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOS, - &ctx->vpu_header[0][0], - &ctx->vpu_header_size[0]); - if (ret < 0) - goto out; - - ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VIS, - &ctx->vpu_header[1][0], - &ctx->vpu_header_size[1]); - if (ret < 0) - goto out; - - ret = coda_encode_header(ctx, buf, CODA_HEADER_MP4V_VOL, - &ctx->vpu_header[2][0], - &ctx->vpu_header_size[2]); - if (ret < 0) - goto out; - break; - default: - /* No more formats need to save headers at the moment */ - break; - } - -out: - mutex_unlock(&dev->coda_mutex); - return ret; -} - -static void coda_stop_streaming(struct vb2_queue *q) -{ - struct coda_ctx *ctx = vb2_get_drv_priv(q); - struct coda_dev *dev = ctx->dev; - - if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, - "%s: output\n", __func__); - ctx->streamon_out = 0; - - if (ctx->inst_type == CODA_INST_DECODER && - coda_isbusy(dev) && ctx->idx == coda_read(dev, CODA_REG_BIT_RUN_INDEX)) { - /* if this decoder instance is running, set the stream end flag */ - if (dev->devtype->product == CODA_960) { - u32 val = coda_read(dev, CODA_REG_BIT_BIT_STREAM_PARAM); - - val |= CODA_BIT_STREAM_END_FLAG; - coda_write(dev, val, CODA_REG_BIT_BIT_STREAM_PARAM); - ctx->bit_stream_param = val; - } - } - ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG; - - ctx->isequence = 0; - } else { - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, - "%s: capture\n", __func__); - ctx->streamon_cap = 0; - - ctx->osequence = 0; - ctx->sequence_offset = 0; - } - - if (!ctx->streamon_out && !ctx->streamon_cap) { - struct coda_timestamp *ts; - - while (!list_empty(&ctx->timestamp_list)) { - ts = list_first_entry(&ctx->timestamp_list, - struct coda_timestamp, list); - list_del(&ts->list); - kfree(ts); - } - kfifo_init(&ctx->bitstream_fifo, - ctx->bitstream.vaddr, ctx->bitstream.size); - ctx->runcounter = 0; - } -} - -static struct vb2_ops coda_qops = { - .queue_setup = coda_queue_setup, - .buf_prepare = coda_buf_prepare, - .buf_queue = coda_buf_queue, - .start_streaming = coda_start_streaming, - .stop_streaming = coda_stop_streaming, - .wait_prepare = vb2_ops_wait_prepare, - .wait_finish = vb2_ops_wait_finish, -}; - -static int coda_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct coda_ctx *ctx = - container_of(ctrl->handler, struct coda_ctx, ctrls); - - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val); - - switch (ctrl->id) { - case V4L2_CID_HFLIP: - if (ctrl->val) - ctx->params.rot_mode |= CODA_MIR_HOR; - else - ctx->params.rot_mode &= ~CODA_MIR_HOR; - break; - case V4L2_CID_VFLIP: - if (ctrl->val) - ctx->params.rot_mode |= CODA_MIR_VER; - else - ctx->params.rot_mode &= ~CODA_MIR_VER; - break; - case V4L2_CID_MPEG_VIDEO_BITRATE: - ctx->params.bitrate = ctrl->val / 1000; - break; - case V4L2_CID_MPEG_VIDEO_GOP_SIZE: - ctx->params.gop_size = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP: - ctx->params.h264_intra_qp = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP: - ctx->params.h264_inter_qp = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: - ctx->params.h264_min_qp = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_H264_MAX_QP: - ctx->params.h264_max_qp = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA: - ctx->params.h264_deblk_alpha = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA: - ctx->params.h264_deblk_beta = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE: - ctx->params.h264_deblk_enabled = (ctrl->val == - V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED); - break; - case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP: - ctx->params.mpeg4_intra_qp = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP: - ctx->params.mpeg4_inter_qp = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE: - ctx->params.slice_mode = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB: - ctx->params.slice_max_mb = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES: - ctx->params.slice_max_bits = ctrl->val * 8; - break; - case V4L2_CID_MPEG_VIDEO_HEADER_MODE: - break; - case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB: - ctx->params.intra_refresh = ctrl->val; - break; - default: - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "Invalid control, id=%d, val=%d\n", - ctrl->id, ctrl->val); - return -EINVAL; - } - - return 0; -} - -static struct v4l2_ctrl_ops coda_ctrl_ops = { - .s_ctrl = coda_s_ctrl, -}; - -static int coda_ctrls_setup(struct coda_ctx *ctx) -{ - v4l2_ctrl_handler_init(&ctx->ctrls, 9); - - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_HFLIP, 0, 1, 1, 0); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_VFLIP, 0, 1, 1, 0); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25); - if (ctx->dev->devtype->product != CODA_960) { - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12); - } - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0); - v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, - V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0, - V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2); - v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE, - V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0, - V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1, 500); - v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_HEADER_MODE, - V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME, - (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE), - V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0, 1920 * 1088 / 256, 1, 0); - - if (ctx->ctrls.error) { - v4l2_err(&ctx->dev->v4l2_dev, "control initialization error (%d)", - ctx->ctrls.error); - return -EINVAL; - } - - return v4l2_ctrl_handler_setup(&ctx->ctrls); -} - -static int coda_queue_init(void *priv, struct vb2_queue *src_vq, - struct vb2_queue *dst_vq) -{ - struct coda_ctx *ctx = priv; - int ret; - - src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR; - src_vq->drv_priv = ctx; - src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); - src_vq->ops = &coda_qops; - src_vq->mem_ops = &vb2_dma_contig_memops; - src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; - src_vq->lock = &ctx->dev->dev_mutex; - - ret = vb2_queue_init(src_vq); - if (ret) - return ret; - - dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - dst_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR; - dst_vq->drv_priv = ctx; - dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); - dst_vq->ops = &coda_qops; - dst_vq->mem_ops = &vb2_dma_contig_memops; - dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; - dst_vq->lock = &ctx->dev->dev_mutex; - - return vb2_queue_init(dst_vq); -} - -static int coda_next_free_instance(struct coda_dev *dev) -{ - int idx = ffz(dev->instance_mask); - - if ((idx < 0) || - (dev->devtype->product == CODA_DX6 && idx > CODADX6_MAX_INSTANCES)) - return -EBUSY; - - return idx; -} - -static int coda_open(struct file *file) -{ - struct coda_dev *dev = video_drvdata(file); - struct coda_ctx *ctx = NULL; - char *name; - int ret; - int idx; - - ctx = kzalloc(sizeof *ctx, GFP_KERNEL); - if (!ctx) - return -ENOMEM; - - idx = coda_next_free_instance(dev); - if (idx < 0) { - ret = idx; - goto err_coda_max; - } - set_bit(idx, &dev->instance_mask); - - name = kasprintf(GFP_KERNEL, "context%d", idx); - ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root); - kfree(name); - - init_completion(&ctx->completion); - INIT_WORK(&ctx->pic_run_work, coda_pic_run_work); - INIT_WORK(&ctx->seq_end_work, coda_seq_end_work); - v4l2_fh_init(&ctx->fh, video_devdata(file)); - file->private_data = &ctx->fh; - v4l2_fh_add(&ctx->fh); - ctx->dev = dev; - ctx->idx = idx; - switch (dev->devtype->product) { - case CODA_7541: - case CODA_960: - ctx->reg_idx = 0; - break; - default: - ctx->reg_idx = idx; - } - - /* Power up and upload firmware if necessary */ - ret = pm_runtime_get_sync(&dev->plat_dev->dev); - if (ret < 0) { - v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret); - goto err_pm_get; - } - - ret = clk_prepare_enable(dev->clk_per); - if (ret) - goto err_clk_per; - - ret = clk_prepare_enable(dev->clk_ahb); - if (ret) - goto err_clk_ahb; - - set_default_params(ctx); - ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, - &coda_queue_init); - if (IS_ERR(ctx->fh.m2m_ctx)) { - ret = PTR_ERR(ctx->fh.m2m_ctx); - - v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n", - __func__, ret); - goto err_ctx_init; - } - - ret = coda_ctrls_setup(ctx); - if (ret) { - v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n"); - goto err_ctrls_setup; - } - - ctx->fh.ctrl_handler = &ctx->ctrls; - - ret = coda_alloc_context_buf(ctx, &ctx->parabuf, CODA_PARA_BUF_SIZE, - "parabuf"); - if (ret < 0) { - v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf"); - goto err_dma_alloc; - } - - ctx->bitstream.size = CODA_MAX_FRAME_SIZE; - ctx->bitstream.vaddr = dma_alloc_writecombine(&dev->plat_dev->dev, - ctx->bitstream.size, &ctx->bitstream.paddr, GFP_KERNEL); - if (!ctx->bitstream.vaddr) { - v4l2_err(&dev->v4l2_dev, "failed to allocate bitstream ringbuffer"); - ret = -ENOMEM; - goto err_dma_writecombine; - } - kfifo_init(&ctx->bitstream_fifo, - ctx->bitstream.vaddr, ctx->bitstream.size); - mutex_init(&ctx->bitstream_mutex); - mutex_init(&ctx->buffer_mutex); - INIT_LIST_HEAD(&ctx->timestamp_list); - - coda_lock(ctx); - list_add(&ctx->list, &dev->instances); - coda_unlock(ctx); - - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n", - ctx->idx, ctx); - - return 0; - -err_dma_writecombine: - coda_free_context_buffers(ctx); - if (ctx->dev->devtype->product == CODA_DX6) - coda_free_aux_buf(dev, &ctx->workbuf); - coda_free_aux_buf(dev, &ctx->parabuf); -err_dma_alloc: - v4l2_ctrl_handler_free(&ctx->ctrls); -err_ctrls_setup: - v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); -err_ctx_init: - clk_disable_unprepare(dev->clk_ahb); -err_clk_ahb: - clk_disable_unprepare(dev->clk_per); -err_clk_per: - pm_runtime_put_sync(&dev->plat_dev->dev); -err_pm_get: - v4l2_fh_del(&ctx->fh); - v4l2_fh_exit(&ctx->fh); - clear_bit(ctx->idx, &dev->instance_mask); -err_coda_max: - kfree(ctx); - return ret; -} - -static int coda_release(struct file *file) -{ - struct coda_dev *dev = video_drvdata(file); - struct coda_ctx *ctx = fh_to_ctx(file->private_data); - - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n", - ctx); - - debugfs_remove_recursive(ctx->debugfs_entry); - - /* If this instance is running, call .job_abort and wait for it to end */ - v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); - - /* In case the instance was not running, we still need to call SEQ_END */ - if (ctx->initialized) { - queue_work(dev->workqueue, &ctx->seq_end_work); - flush_work(&ctx->seq_end_work); - } - - coda_free_framebuffers(ctx); - - coda_lock(ctx); - list_del(&ctx->list); - coda_unlock(ctx); - - dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size, - ctx->bitstream.vaddr, ctx->bitstream.paddr); - coda_free_context_buffers(ctx); - if (ctx->dev->devtype->product == CODA_DX6) - coda_free_aux_buf(dev, &ctx->workbuf); - - coda_free_aux_buf(dev, &ctx->parabuf); - v4l2_ctrl_handler_free(&ctx->ctrls); - clk_disable_unprepare(dev->clk_ahb); - clk_disable_unprepare(dev->clk_per); - pm_runtime_put_sync(&dev->plat_dev->dev); - v4l2_fh_del(&ctx->fh); - v4l2_fh_exit(&ctx->fh); - clear_bit(ctx->idx, &dev->instance_mask); - kfree(ctx); - - return 0; -} - -static const struct v4l2_file_operations coda_fops = { - .owner = THIS_MODULE, - .open = coda_open, - .release = coda_release, - .poll = v4l2_m2m_fop_poll, - .unlocked_ioctl = video_ioctl2, - .mmap = v4l2_m2m_fop_mmap, -}; - -static void coda_finish_decode(struct coda_ctx *ctx) -{ - struct coda_dev *dev = ctx->dev; - struct coda_q_data *q_data_src; - struct coda_q_data *q_data_dst; - struct vb2_buffer *dst_buf; - struct coda_timestamp *ts; - int width, height; - int decoded_idx; - int display_idx; - u32 src_fourcc; - int success; - u32 err_mb; - u32 val; - - dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); - - /* Update kfifo out pointer from coda bitstream read pointer */ - coda_kfifo_sync_from_device(ctx); - - /* - * in stream-end mode, the read pointer can overshoot the write pointer - * by up to 512 bytes - */ - if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) { - if (coda_get_bitstream_payload(ctx) >= 0x100000 - 512) - kfifo_init(&ctx->bitstream_fifo, - ctx->bitstream.vaddr, ctx->bitstream.size); - } - - q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - src_fourcc = q_data_src->fourcc; - - val = coda_read(dev, CODA_RET_DEC_PIC_SUCCESS); - if (val != 1) - pr_err("DEC_PIC_SUCCESS = %d\n", val); - - success = val & 0x1; - if (!success) - v4l2_err(&dev->v4l2_dev, "decode failed\n"); - - if (src_fourcc == V4L2_PIX_FMT_H264) { - if (val & (1 << 3)) - v4l2_err(&dev->v4l2_dev, - "insufficient PS buffer space (%d bytes)\n", - ctx->psbuf.size); - if (val & (1 << 2)) - v4l2_err(&dev->v4l2_dev, - "insufficient slice buffer space (%d bytes)\n", - ctx->slicebuf.size); - } - - val = coda_read(dev, CODA_RET_DEC_PIC_SIZE); - width = (val >> 16) & 0xffff; - height = val & 0xffff; - - q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - - /* frame crop information */ - if (src_fourcc == V4L2_PIX_FMT_H264) { - u32 left_right; - u32 top_bottom; - - left_right = coda_read(dev, CODA_RET_DEC_PIC_CROP_LEFT_RIGHT); - top_bottom = coda_read(dev, CODA_RET_DEC_PIC_CROP_TOP_BOTTOM); - - if (left_right == 0xffffffff && top_bottom == 0xffffffff) { - /* Keep current crop information */ - } else { - struct v4l2_rect *rect = &q_data_dst->rect; - - rect->left = left_right >> 16 & 0xffff; - rect->top = top_bottom >> 16 & 0xffff; - rect->width = width - rect->left - - (left_right & 0xffff); - rect->height = height - rect->top - - (top_bottom & 0xffff); - } - } else { - /* no cropping */ - } - - err_mb = coda_read(dev, CODA_RET_DEC_PIC_ERR_MB); - if (err_mb > 0) - v4l2_err(&dev->v4l2_dev, - "errors in %d macroblocks\n", err_mb); - - if (dev->devtype->product == CODA_7541) { - val = coda_read(dev, CODA_RET_DEC_PIC_OPTION); - if (val == 0) { - /* not enough bitstream data */ - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, - "prescan failed: %d\n", val); - ctx->hold = true; - return; - } - } - - ctx->frm_dis_flg = coda_read(dev, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx)); - - /* - * The previous display frame was copied out by the rotator, - * now it can be overwritten again - */ - if (ctx->display_idx >= 0 && - ctx->display_idx < ctx->num_internal_frames) { - ctx->frm_dis_flg &= ~(1 << ctx->display_idx); - coda_write(dev, ctx->frm_dis_flg, - CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx)); - } - - /* - * The index of the last decoded frame, not necessarily in - * display order, and the index of the next display frame. - * The latter could have been decoded in a previous run. - */ - decoded_idx = coda_read(dev, CODA_RET_DEC_PIC_CUR_IDX); - display_idx = coda_read(dev, CODA_RET_DEC_PIC_FRAME_IDX); - - if (decoded_idx == -1) { - /* no frame was decoded, but we might have a display frame */ - if (display_idx >= 0 && display_idx < ctx->num_internal_frames) - ctx->sequence_offset++; - else if (ctx->display_idx < 0) - ctx->hold = true; - } else if (decoded_idx == -2) { - /* no frame was decoded, we still return the remaining buffers */ - } else if (decoded_idx < 0 || decoded_idx >= ctx->num_internal_frames) { - v4l2_err(&dev->v4l2_dev, - "decoded frame index out of range: %d\n", decoded_idx); - } else { - ts = list_first_entry(&ctx->timestamp_list, - struct coda_timestamp, list); - list_del(&ts->list); - val = coda_read(dev, CODA_RET_DEC_PIC_FRAME_NUM) - 1; - val -= ctx->sequence_offset; - if (val != (ts->sequence & 0xffff)) { - v4l2_err(&dev->v4l2_dev, - "sequence number mismatch (%d(%d) != %d)\n", - val, ctx->sequence_offset, ts->sequence); - } - ctx->frame_timestamps[decoded_idx] = *ts; - kfree(ts); - - val = coda_read(dev, CODA_RET_DEC_PIC_TYPE) & 0x7; - if (val == 0) - ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_KEYFRAME; - else if (val == 1) - ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_PFRAME; - else - ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_BFRAME; - - ctx->frame_errors[decoded_idx] = err_mb; - } - - if (display_idx == -1) { - /* - * no more frames to be decoded, but there could still - * be rotator output to dequeue - */ - ctx->hold = true; - } else if (display_idx == -3) { - /* possibly prescan failure */ - } else if (display_idx < 0 || display_idx >= ctx->num_internal_frames) { - v4l2_err(&dev->v4l2_dev, - "presentation frame index out of range: %d\n", - display_idx); - } - - /* If a frame was copied out, return it */ - if (ctx->display_idx >= 0 && - ctx->display_idx < ctx->num_internal_frames) { - dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); - dst_buf->v4l2_buf.sequence = ctx->osequence++; - - dst_buf->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_KEYFRAME | - V4L2_BUF_FLAG_PFRAME | - V4L2_BUF_FLAG_BFRAME); - dst_buf->v4l2_buf.flags |= ctx->frame_types[ctx->display_idx]; - ts = &ctx->frame_timestamps[ctx->display_idx]; - dst_buf->v4l2_buf.timecode = ts->timecode; - dst_buf->v4l2_buf.timestamp = ts->timestamp; - - vb2_set_plane_payload(dst_buf, 0, width * height * 3 / 2); - - v4l2_m2m_buf_done(dst_buf, ctx->frame_errors[display_idx] ? - VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); - - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, - "job finished: decoding frame (%d) (%s)\n", - dst_buf->v4l2_buf.sequence, - (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ? - "KEYFRAME" : "PFRAME"); - } else { - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, - "job finished: no frame decoded\n"); - } - - /* The rotator will copy the current display frame next time */ - ctx->display_idx = display_idx; -} - -static void coda_finish_encode(struct coda_ctx *ctx) -{ - struct vb2_buffer *src_buf, *dst_buf; - struct coda_dev *dev = ctx->dev; - u32 wr_ptr, start_ptr; - - src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); - dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); - - /* Get results from the coda */ - start_ptr = coda_read(dev, CODA_CMD_ENC_PIC_BB_START); - wr_ptr = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx)); - - /* Calculate bytesused field */ - if (dst_buf->v4l2_buf.sequence == 0) { - vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr + - ctx->vpu_header_size[0] + - ctx->vpu_header_size[1] + - ctx->vpu_header_size[2]); - } else { - vb2_set_plane_payload(dst_buf, 0, wr_ptr - start_ptr); - } - - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, "frame size = %u\n", - wr_ptr - start_ptr); - - coda_read(dev, CODA_RET_ENC_PIC_SLICE_NUM); - coda_read(dev, CODA_RET_ENC_PIC_FLAG); - - if (coda_read(dev, CODA_RET_ENC_PIC_TYPE) == 0) { - dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME; - dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME; - } else { - dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME; - dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME; - } - - dst_buf->v4l2_buf.timestamp = src_buf->v4l2_buf.timestamp; - dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK; - dst_buf->v4l2_buf.flags |= - src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK; - dst_buf->v4l2_buf.timecode = src_buf->v4l2_buf.timecode; - - v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE); - - dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); - v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE); - - ctx->gopcounter--; - if (ctx->gopcounter < 0) - ctx->gopcounter = ctx->params.gop_size - 1; - - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, - "job finished: encoding frame (%d) (%s)\n", - dst_buf->v4l2_buf.sequence, - (dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ? - "KEYFRAME" : "PFRAME"); -} - -static irqreturn_t coda_irq_handler(int irq, void *data) -{ - struct coda_dev *dev = data; - struct coda_ctx *ctx; - - /* read status register to attend the IRQ */ - coda_read(dev, CODA_REG_BIT_INT_STATUS); - coda_write(dev, CODA_REG_BIT_INT_CLEAR_SET, - CODA_REG_BIT_INT_CLEAR); - - ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev); - if (ctx == NULL) { - v4l2_err(&dev->v4l2_dev, "Instance released before the end of transaction\n"); - mutex_unlock(&dev->coda_mutex); - return IRQ_HANDLED; - } - - if (ctx->aborting) { - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "task has been aborted\n"); - } - - if (coda_isbusy(ctx->dev)) { - v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, - "coda is still busy!!!!\n"); - return IRQ_NONE; - } - - complete(&ctx->completion); - - return IRQ_HANDLED; -} - -static u32 coda_supported_firmwares[] = { - CODA_FIRMWARE_VERNUM(CODA_DX6, 2, 2, 5), - CODA_FIRMWARE_VERNUM(CODA_7541, 1, 4, 50), - CODA_FIRMWARE_VERNUM(CODA_960, 2, 1, 5), -}; - -static bool coda_firmware_supported(u32 vernum) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(coda_supported_firmwares); i++) - if (vernum == coda_supported_firmwares[i]) - return true; - return false; -} - -static int coda_hw_init(struct coda_dev *dev) -{ - u32 data; - u16 *p; - int i, ret; - - ret = clk_prepare_enable(dev->clk_per); - if (ret) - goto err_clk_per; - - ret = clk_prepare_enable(dev->clk_ahb); - if (ret) - goto err_clk_ahb; - - if (dev->rstc) - reset_control_reset(dev->rstc); - - /* - * Copy the first CODA_ISRAM_SIZE in the internal SRAM. - * The 16-bit chars in the code buffer are in memory access - * order, re-sort them to CODA order for register download. - * Data in this SRAM survives a reboot. - */ - p = (u16 *)dev->codebuf.vaddr; - if (dev->devtype->product == CODA_DX6) { - for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) { - data = CODA_DOWN_ADDRESS_SET(i) | - CODA_DOWN_DATA_SET(p[i ^ 1]); - coda_write(dev, data, CODA_REG_BIT_CODE_DOWN); - } - } else { - for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) { - data = CODA_DOWN_ADDRESS_SET(i) | - CODA_DOWN_DATA_SET(p[round_down(i, 4) + - 3 - (i % 4)]); - coda_write(dev, data, CODA_REG_BIT_CODE_DOWN); - } - } - - /* Clear registers */ - for (i = 0; i < 64; i++) - coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4); - - /* Tell the BIT where to find everything it needs */ - if (dev->devtype->product == CODA_960 || - dev->devtype->product == CODA_7541) { - coda_write(dev, dev->tempbuf.paddr, - CODA_REG_BIT_TEMP_BUF_ADDR); - coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM); - } else { - coda_write(dev, dev->workbuf.paddr, - CODA_REG_BIT_WORK_BUF_ADDR); - } - coda_write(dev, dev->codebuf.paddr, - CODA_REG_BIT_CODE_BUF_ADDR); - coda_write(dev, 0, CODA_REG_BIT_CODE_RUN); - - /* Set default values */ - switch (dev->devtype->product) { - case CODA_DX6: - coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL); - break; - default: - coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL); - } - if (dev->devtype->product == CODA_960) - coda_write(dev, 1 << 12, CODA_REG_BIT_FRAME_MEM_CTRL); - else - coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL); - - if (dev->devtype->product != CODA_DX6) - coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE); - - coda_write(dev, CODA_INT_INTERRUPT_ENABLE, - CODA_REG_BIT_INT_ENABLE); - - /* Reset VPU and start processor */ - data = coda_read(dev, CODA_REG_BIT_CODE_RESET); - data |= CODA_REG_RESET_ENABLE; - coda_write(dev, data, CODA_REG_BIT_CODE_RESET); - udelay(10); - data &= ~CODA_REG_RESET_ENABLE; - coda_write(dev, data, CODA_REG_BIT_CODE_RESET); - coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN); - - clk_disable_unprepare(dev->clk_ahb); - clk_disable_unprepare(dev->clk_per); - - return 0; - -err_clk_ahb: - clk_disable_unprepare(dev->clk_per); -err_clk_per: - return ret; -} - -static int coda_check_firmware(struct coda_dev *dev) -{ - u16 product, major, minor, release; - u32 data; - int ret; - - ret = clk_prepare_enable(dev->clk_per); - if (ret) - goto err_clk_per; - - ret = clk_prepare_enable(dev->clk_ahb); - if (ret) - goto err_clk_ahb; - - coda_write(dev, 0, CODA_CMD_FIRMWARE_VERNUM); - coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY); - coda_write(dev, 0, CODA_REG_BIT_RUN_INDEX); - coda_write(dev, 0, CODA_REG_BIT_RUN_COD_STD); - coda_write(dev, CODA_COMMAND_FIRMWARE_GET, CODA_REG_BIT_RUN_COMMAND); - if (coda_wait_timeout(dev)) { - v4l2_err(&dev->v4l2_dev, "firmware get command error\n"); - ret = -EIO; - goto err_run_cmd; - } - - if (dev->devtype->product == CODA_960) { - data = coda_read(dev, CODA9_CMD_FIRMWARE_CODE_REV); - v4l2_info(&dev->v4l2_dev, "Firmware code revision: %d\n", - data); - } - - /* Check we are compatible with the loaded firmware */ - data = coda_read(dev, CODA_CMD_FIRMWARE_VERNUM); - product = CODA_FIRMWARE_PRODUCT(data); - major = CODA_FIRMWARE_MAJOR(data); - minor = CODA_FIRMWARE_MINOR(data); - release = CODA_FIRMWARE_RELEASE(data); - - clk_disable_unprepare(dev->clk_per); - clk_disable_unprepare(dev->clk_ahb); - - if (product != dev->devtype->product) { - v4l2_err(&dev->v4l2_dev, "Wrong firmware. Hw: %s, Fw: %s," - " Version: %u.%u.%u\n", - coda_product_name(dev->devtype->product), - coda_product_name(product), major, minor, release); - return -EINVAL; - } - - v4l2_info(&dev->v4l2_dev, "Initialized %s.\n", - coda_product_name(product)); - - if (coda_firmware_supported(data)) { - v4l2_info(&dev->v4l2_dev, "Firmware version: %u.%u.%u\n", - major, minor, release); - } else { - v4l2_warn(&dev->v4l2_dev, "Unsupported firmware version: " - "%u.%u.%u\n", major, minor, release); - } - - return 0; - -err_run_cmd: - clk_disable_unprepare(dev->clk_ahb); -err_clk_ahb: - clk_disable_unprepare(dev->clk_per); -err_clk_per: - return ret; -} - -static void coda_fw_callback(const struct firmware *fw, void *context) -{ - struct coda_dev *dev = context; - struct platform_device *pdev = dev->plat_dev; - int ret; - - if (!fw) { - v4l2_err(&dev->v4l2_dev, "firmware request failed\n"); - return; - } - - /* allocate auxiliary per-device code buffer for the BIT processor */ - ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf", - dev->debugfs_root); - if (ret < 0) { - dev_err(&pdev->dev, "failed to allocate code buffer\n"); - return; - } - - /* Copy the whole firmware image to the code buffer */ - memcpy(dev->codebuf.vaddr, fw->data, fw->size); - release_firmware(fw); - - if (pm_runtime_enabled(&pdev->dev) && pdev->dev.pm_domain) { - /* - * Enabling power temporarily will cause coda_hw_init to be - * called via coda_runtime_resume by the pm domain. - */ - ret = pm_runtime_get_sync(&dev->plat_dev->dev); - if (ret < 0) { - v4l2_err(&dev->v4l2_dev, "failed to power on: %d\n", - ret); - return; - } - - ret = coda_check_firmware(dev); - if (ret < 0) - return; - - pm_runtime_put_sync(&dev->plat_dev->dev); - } else { - /* - * If runtime pm is disabled or pm_domain is not set, - * initialize once manually. - */ - ret = coda_hw_init(dev); - if (ret < 0) { - v4l2_err(&dev->v4l2_dev, "HW initialization failed\n"); - return; - } - - ret = coda_check_firmware(dev); - if (ret < 0) - return; - } - - dev->vfd.fops = &coda_fops, - dev->vfd.ioctl_ops = &coda_ioctl_ops; - dev->vfd.release = video_device_release_empty, - dev->vfd.lock = &dev->dev_mutex; - dev->vfd.v4l2_dev = &dev->v4l2_dev; - dev->vfd.vfl_dir = VFL_DIR_M2M; - snprintf(dev->vfd.name, sizeof(dev->vfd.name), "%s", CODA_NAME); - video_set_drvdata(&dev->vfd, dev); - - dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); - if (IS_ERR(dev->alloc_ctx)) { - v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n"); - return; - } - - dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops); - if (IS_ERR(dev->m2m_dev)) { - v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n"); - goto rel_ctx; - } - - ret = video_register_device(&dev->vfd, VFL_TYPE_GRABBER, 0); - if (ret) { - v4l2_err(&dev->v4l2_dev, "Failed to register video device\n"); - goto rel_m2m; - } - v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video%d\n", - dev->vfd.num); - - return; - -rel_m2m: - v4l2_m2m_release(dev->m2m_dev); -rel_ctx: - vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); -} - -static int coda_firmware_request(struct coda_dev *dev) -{ - char *fw = dev->devtype->firmware; - - dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw, - coda_product_name(dev->devtype->product)); - - return request_firmware_nowait(THIS_MODULE, true, - fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback); -} - -enum coda_platform { - CODA_IMX27, - CODA_IMX53, - CODA_IMX6Q, - CODA_IMX6DL, -}; - -static const struct coda_devtype coda_devdata[] = { - [CODA_IMX27] = { - .firmware = "v4l-codadx6-imx27.bin", - .product = CODA_DX6, - .codecs = codadx6_codecs, - .num_codecs = ARRAY_SIZE(codadx6_codecs), - .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024, - .iram_size = 0xb000, - }, - [CODA_IMX53] = { - .firmware = "v4l-coda7541-imx53.bin", - .product = CODA_7541, - .codecs = coda7_codecs, - .num_codecs = ARRAY_SIZE(coda7_codecs), - .workbuf_size = 128 * 1024, - .tempbuf_size = 304 * 1024, - .iram_size = 0x14000, - }, - [CODA_IMX6Q] = { - .firmware = "v4l-coda960-imx6q.bin", - .product = CODA_960, - .codecs = coda9_codecs, - .num_codecs = ARRAY_SIZE(coda9_codecs), - .workbuf_size = 80 * 1024, - .tempbuf_size = 204 * 1024, - .iram_size = 0x21000, - }, - [CODA_IMX6DL] = { - .firmware = "v4l-coda960-imx6dl.bin", - .product = CODA_960, - .codecs = coda9_codecs, - .num_codecs = ARRAY_SIZE(coda9_codecs), - .workbuf_size = 80 * 1024, - .tempbuf_size = 204 * 1024, - .iram_size = 0x20000, - }, -}; - -static struct platform_device_id coda_platform_ids[] = { - { .name = "coda-imx27", .driver_data = CODA_IMX27 }, - { .name = "coda-imx53", .driver_data = CODA_IMX53 }, - { /* sentinel */ } -}; -MODULE_DEVICE_TABLE(platform, coda_platform_ids); - -#ifdef CONFIG_OF -static const struct of_device_id coda_dt_ids[] = { - { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] }, - { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] }, - { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] }, - { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] }, - { /* sentinel */ } -}; -MODULE_DEVICE_TABLE(of, coda_dt_ids); -#endif - -static int coda_probe(struct platform_device *pdev) -{ - const struct of_device_id *of_id = - of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev); - const struct platform_device_id *pdev_id; - struct coda_platform_data *pdata = pdev->dev.platform_data; - struct device_node *np = pdev->dev.of_node; - struct gen_pool *pool; - struct coda_dev *dev; - struct resource *res; - int ret, irq; - - dev = devm_kzalloc(&pdev->dev, sizeof *dev, GFP_KERNEL); - if (!dev) { - dev_err(&pdev->dev, "Not enough memory for %s\n", - CODA_NAME); - return -ENOMEM; - } - - spin_lock_init(&dev->irqlock); - INIT_LIST_HEAD(&dev->instances); - - dev->plat_dev = pdev; - dev->clk_per = devm_clk_get(&pdev->dev, "per"); - if (IS_ERR(dev->clk_per)) { - dev_err(&pdev->dev, "Could not get per clock\n"); - return PTR_ERR(dev->clk_per); - } - - dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); - if (IS_ERR(dev->clk_ahb)) { - dev_err(&pdev->dev, "Could not get ahb clock\n"); - return PTR_ERR(dev->clk_ahb); - } - - /* Get memory for physical registers */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - dev->regs_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(dev->regs_base)) - return PTR_ERR(dev->regs_base); - - /* IRQ */ - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "failed to get irq resource\n"); - return irq; - } - - ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, coda_irq_handler, - IRQF_ONESHOT, dev_name(&pdev->dev), dev); - if (ret < 0) { - dev_err(&pdev->dev, "failed to request irq: %d\n", ret); - return ret; - } - - dev->rstc = devm_reset_control_get_optional(&pdev->dev, NULL); - if (IS_ERR(dev->rstc)) { - ret = PTR_ERR(dev->rstc); - if (ret == -ENOENT || ret == -ENOSYS) { - dev->rstc = NULL; - } else { - dev_err(&pdev->dev, "failed get reset control: %d\n", ret); - return ret; - } - } - - /* Get IRAM pool from device tree or platform data */ - pool = of_get_named_gen_pool(np, "iram", 0); - if (!pool && pdata) - pool = dev_get_gen_pool(pdata->iram_dev); - if (!pool) { - dev_err(&pdev->dev, "iram pool not available\n"); - return -ENOMEM; - } - dev->iram_pool = pool; - - ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); - if (ret) - return ret; - - mutex_init(&dev->dev_mutex); - mutex_init(&dev->coda_mutex); - - pdev_id = of_id ? of_id->data : platform_get_device_id(pdev); - - if (of_id) { - dev->devtype = of_id->data; - } else if (pdev_id) { - dev->devtype = &coda_devdata[pdev_id->driver_data]; - } else { - v4l2_device_unregister(&dev->v4l2_dev); - return -EINVAL; - } - - dev->debugfs_root = debugfs_create_dir("coda", NULL); - if (!dev->debugfs_root) - dev_warn(&pdev->dev, "failed to create debugfs root\n"); - - /* allocate auxiliary per-device buffers for the BIT processor */ - if (dev->devtype->product == CODA_DX6) { - ret = coda_alloc_aux_buf(dev, &dev->workbuf, - dev->devtype->workbuf_size, "workbuf", - dev->debugfs_root); - if (ret < 0) { - dev_err(&pdev->dev, "failed to allocate work buffer\n"); - v4l2_device_unregister(&dev->v4l2_dev); - return ret; - } - } - - if (dev->devtype->tempbuf_size) { - ret = coda_alloc_aux_buf(dev, &dev->tempbuf, - dev->devtype->tempbuf_size, "tempbuf", - dev->debugfs_root); - if (ret < 0) { - dev_err(&pdev->dev, "failed to allocate temp buffer\n"); - v4l2_device_unregister(&dev->v4l2_dev); - return ret; - } - } - - dev->iram.size = dev->devtype->iram_size; - dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size, - &dev->iram.paddr); - if (!dev->iram.vaddr) { - dev_err(&pdev->dev, "unable to alloc iram\n"); - return -ENOMEM; - } - - dev->iram.blob.data = dev->iram.vaddr; - dev->iram.blob.size = dev->iram.size; - dev->iram.dentry = debugfs_create_blob("iram", 0644, dev->debugfs_root, - &dev->iram.blob); - - dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1); - if (!dev->workqueue) { - dev_err(&pdev->dev, "unable to alloc workqueue\n"); - return -ENOMEM; - } - - platform_set_drvdata(pdev, dev); - - pm_runtime_enable(&pdev->dev); - - return coda_firmware_request(dev); -} - -static int coda_remove(struct platform_device *pdev) -{ - struct coda_dev *dev = platform_get_drvdata(pdev); - - video_unregister_device(&dev->vfd); - if (dev->m2m_dev) - v4l2_m2m_release(dev->m2m_dev); - pm_runtime_disable(&pdev->dev); - if (dev->alloc_ctx) - vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); - v4l2_device_unregister(&dev->v4l2_dev); - destroy_workqueue(dev->workqueue); - if (dev->iram.vaddr) - gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr, - dev->iram.size); - coda_free_aux_buf(dev, &dev->codebuf); - coda_free_aux_buf(dev, &dev->tempbuf); - coda_free_aux_buf(dev, &dev->workbuf); - debugfs_remove_recursive(dev->debugfs_root); - return 0; -} - -#ifdef CONFIG_PM_RUNTIME -static int coda_runtime_resume(struct device *dev) -{ - struct coda_dev *cdev = dev_get_drvdata(dev); - int ret = 0; - - if (dev->pm_domain) { - ret = coda_hw_init(cdev); - if (ret) - v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n"); - } - - return ret; -} -#endif - -static const struct dev_pm_ops coda_pm_ops = { - SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL) -}; - -static struct platform_driver coda_driver = { - .probe = coda_probe, - .remove = coda_remove, - .driver = { - .name = CODA_NAME, - .owner = THIS_MODULE, - .of_match_table = of_match_ptr(coda_dt_ids), - .pm = &coda_pm_ops, - }, - .id_table = coda_platform_ids, -}; - -module_platform_driver(coda_driver); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>"); -MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver"); |