Introduce a helper to set and get profile and levels which
includes the translation between v4l2 ctrl ids and HFI ids.
The input arguments are always in v4l2 ids space.

Signed-off-by: Stanimir Varbanov <stanimir.varba...@linaro.org>
---
 drivers/media/platform/qcom/venus/helpers.c | 239 ++++++++++++++++++++
 drivers/media/platform/qcom/venus/helpers.h |   2 +
 2 files changed, 241 insertions(+)

diff --git a/drivers/media/platform/qcom/venus/helpers.c 
b/drivers/media/platform/qcom/venus/helpers.c
index 7147871d9dc1..50439eb1ffea 100644
--- a/drivers/media/platform/qcom/venus/helpers.c
+++ b/drivers/media/platform/qcom/venus/helpers.c
@@ -6,6 +6,7 @@
 #include <linux/list.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
+#include <linux/kernel.h>
 #include <media/videobuf2-dma-sg.h>
 #include <media/v4l2-mem2mem.h>
 #include <asm/div64.h>
@@ -582,6 +583,244 @@ int venus_helper_get_bufreq(struct venus_inst *inst, u32 
type,
 }
 EXPORT_SYMBOL_GPL(venus_helper_get_bufreq);
 
+struct id_mapping {
+       u32 hfi_id;
+       u32 v4l2_id;
+};
+
+static const struct id_mapping mpeg4_profiles[] = {
+       { HFI_MPEG4_PROFILE_SIMPLE, V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE },
+       { HFI_MPEG4_PROFILE_ADVANCEDSIMPLE, 
V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE },
+};
+
+static const struct id_mapping mpeg4_levels[] = {
+       { HFI_MPEG4_LEVEL_0, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0 },
+       { HFI_MPEG4_LEVEL_0b, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B },
+       { HFI_MPEG4_LEVEL_1, V4L2_MPEG_VIDEO_MPEG4_LEVEL_1 },
+       { HFI_MPEG4_LEVEL_2, V4L2_MPEG_VIDEO_MPEG4_LEVEL_2 },
+       { HFI_MPEG4_LEVEL_3, V4L2_MPEG_VIDEO_MPEG4_LEVEL_3 },
+       { HFI_MPEG4_LEVEL_4, V4L2_MPEG_VIDEO_MPEG4_LEVEL_4 },
+       { HFI_MPEG4_LEVEL_5, V4L2_MPEG_VIDEO_MPEG4_LEVEL_5 },
+};
+
+static const struct id_mapping mpeg2_profiles[] = {
+       { HFI_MPEG2_PROFILE_SIMPLE, V4L2_MPEG_VIDEO_MPEG2_PROFILE_SIMPLE },
+       { HFI_MPEG2_PROFILE_MAIN, V4L2_MPEG_VIDEO_MPEG2_PROFILE_MAIN },
+       { HFI_MPEG2_PROFILE_SNR, V4L2_MPEG_VIDEO_MPEG2_PROFILE_SNR_SCALABLE },
+       { HFI_MPEG2_PROFILE_SPATIAL, 
V4L2_MPEG_VIDEO_MPEG2_PROFILE_SPATIALLY_SCALABLE },
+       { HFI_MPEG2_PROFILE_HIGH, V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH },
+};
+
+static const struct id_mapping mpeg2_levels[] = {
+       { HFI_MPEG2_LEVEL_LL, V4L2_MPEG_VIDEO_MPEG2_LEVEL_LOW },
+       { HFI_MPEG2_LEVEL_ML, V4L2_MPEG_VIDEO_MPEG2_LEVEL_MAIN },
+       { HFI_MPEG2_LEVEL_H14, V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH_1440 },
+       { HFI_MPEG2_LEVEL_HL, V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH },
+};
+
+static const struct id_mapping h264_profiles[] = {
+       { HFI_H264_PROFILE_BASELINE, V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE },
+       { HFI_H264_PROFILE_MAIN, V4L2_MPEG_VIDEO_H264_PROFILE_MAIN },
+       { HFI_H264_PROFILE_HIGH, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH },
+       { HFI_H264_PROFILE_STEREO_HIGH, 
V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH },
+       { HFI_H264_PROFILE_MULTIVIEW_HIGH, 
V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH },
+       { HFI_H264_PROFILE_CONSTRAINED_BASE, 
V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE },
+       { HFI_H264_PROFILE_CONSTRAINED_HIGH, 
V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH },
+};
+
+static const struct id_mapping h264_levels[] = {
+       { HFI_H264_LEVEL_1, V4L2_MPEG_VIDEO_H264_LEVEL_1_0 },
+       { HFI_H264_LEVEL_1b, V4L2_MPEG_VIDEO_H264_LEVEL_1B },
+       { HFI_H264_LEVEL_11, V4L2_MPEG_VIDEO_H264_LEVEL_1_1 },
+       { HFI_H264_LEVEL_12, V4L2_MPEG_VIDEO_H264_LEVEL_1_2 },
+       { HFI_H264_LEVEL_13, V4L2_MPEG_VIDEO_H264_LEVEL_1_3 },
+       { HFI_H264_LEVEL_2, V4L2_MPEG_VIDEO_H264_LEVEL_2_0 },
+       { HFI_H264_LEVEL_21, V4L2_MPEG_VIDEO_H264_LEVEL_2_1 },
+       { HFI_H264_LEVEL_22, V4L2_MPEG_VIDEO_H264_LEVEL_2_2 },
+       { HFI_H264_LEVEL_3, V4L2_MPEG_VIDEO_H264_LEVEL_3_0 },
+       { HFI_H264_LEVEL_31, V4L2_MPEG_VIDEO_H264_LEVEL_3_1 },
+       { HFI_H264_LEVEL_32, V4L2_MPEG_VIDEO_H264_LEVEL_3_2 },
+       { HFI_H264_LEVEL_4, V4L2_MPEG_VIDEO_H264_LEVEL_4_0 },
+       { HFI_H264_LEVEL_41, V4L2_MPEG_VIDEO_H264_LEVEL_4_1 },
+       { HFI_H264_LEVEL_42, V4L2_MPEG_VIDEO_H264_LEVEL_4_2 },
+       { HFI_H264_LEVEL_5, V4L2_MPEG_VIDEO_H264_LEVEL_5_0 },
+       { HFI_H264_LEVEL_51, V4L2_MPEG_VIDEO_H264_LEVEL_5_1 },
+       { HFI_H264_LEVEL_52, V4L2_MPEG_VIDEO_H264_LEVEL_5_1 },
+};
+
+static const struct id_mapping hevc_profiles[] = {
+       { HFI_HEVC_PROFILE_MAIN, V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN },
+       { HFI_HEVC_PROFILE_MAIN_STILL_PIC, 
V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE },
+       { HFI_HEVC_PROFILE_MAIN10, V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10 },
+};
+
+static const struct id_mapping hevc_levels[] = {
+       { HFI_HEVC_LEVEL_1, V4L2_MPEG_VIDEO_HEVC_LEVEL_1 },
+       { HFI_HEVC_LEVEL_2, V4L2_MPEG_VIDEO_HEVC_LEVEL_2 },
+       { HFI_HEVC_LEVEL_21, V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1 },
+       { HFI_HEVC_LEVEL_3, V4L2_MPEG_VIDEO_HEVC_LEVEL_3 },
+       { HFI_HEVC_LEVEL_31, V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1 },
+       { HFI_HEVC_LEVEL_4, V4L2_MPEG_VIDEO_HEVC_LEVEL_4 },
+       { HFI_HEVC_LEVEL_41, V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1 },
+       { HFI_HEVC_LEVEL_5, V4L2_MPEG_VIDEO_HEVC_LEVEL_5 },
+       { HFI_HEVC_LEVEL_51, V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1 },
+       { HFI_HEVC_LEVEL_52, V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2 },
+       { HFI_HEVC_LEVEL_6, V4L2_MPEG_VIDEO_HEVC_LEVEL_6 },
+       { HFI_HEVC_LEVEL_61, V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1 },
+       { HFI_HEVC_LEVEL_62, V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2 },
+};
+
+static const struct id_mapping vp8_profiles[] = {
+       { HFI_VPX_PROFILE_VERSION_0, V4L2_MPEG_VIDEO_VP8_PROFILE_0 },
+       { HFI_VPX_PROFILE_VERSION_1, V4L2_MPEG_VIDEO_VP8_PROFILE_1 },
+       { HFI_VPX_PROFILE_VERSION_2, V4L2_MPEG_VIDEO_VP8_PROFILE_2 },
+       { HFI_VPX_PROFILE_VERSION_3, V4L2_MPEG_VIDEO_VP8_PROFILE_3 },
+};
+
+static const struct id_mapping vp9_profiles[] = {
+       { HFI_VP9_PROFILE_P0, V4L2_MPEG_VIDEO_VP9_PROFILE_0 },
+       { HFI_VP9_PROFILE_P2_10B, V4L2_MPEG_VIDEO_VP9_PROFILE_2 },
+};
+
+static const struct id_mapping vp9_levels[] = {
+       { HFI_VP9_LEVEL_1, V4L2_MPEG_VIDEO_VP9_LEVEL_1_0 },
+       { HFI_VP9_LEVEL_11, V4L2_MPEG_VIDEO_VP9_LEVEL_1_1 },
+       { HFI_VP9_LEVEL_2, V4L2_MPEG_VIDEO_VP9_LEVEL_2_0},
+       { HFI_VP9_LEVEL_21, V4L2_MPEG_VIDEO_VP9_LEVEL_2_1 },
+       { HFI_VP9_LEVEL_3, V4L2_MPEG_VIDEO_VP9_LEVEL_3_0},
+       { HFI_VP9_LEVEL_31, V4L2_MPEG_VIDEO_VP9_LEVEL_3_1 },
+       { HFI_VP9_LEVEL_4, V4L2_MPEG_VIDEO_VP9_LEVEL_4_0 },
+       { HFI_VP9_LEVEL_41, V4L2_MPEG_VIDEO_VP9_LEVEL_4_1 },
+       { HFI_VP9_LEVEL_5, V4L2_MPEG_VIDEO_VP9_LEVEL_5_0 },
+       { HFI_VP9_LEVEL_51, V4L2_MPEG_VIDEO_VP9_LEVEL_5_1 },
+       { HFI_VP9_LEVEL_6, V4L2_MPEG_VIDEO_VP9_LEVEL_6_0 },
+       { HFI_VP9_LEVEL_61, V4L2_MPEG_VIDEO_VP9_LEVEL_6_1 },
+};
+
+static u32 find_v4l2_id(u32 hfi_id, const struct id_mapping *array, unsigned 
int array_sz)
+{
+       unsigned int i;
+
+       if (!array || !array_sz)
+               return 0;
+
+       for (i = 0; i < array_sz; i++)
+               if (hfi_id == array[i].hfi_id)
+                       return array[i].v4l2_id;
+
+       return 0;
+}
+
+static u32 find_hfi_id(u32 v4l2_id, const struct id_mapping *array, unsigned 
int array_sz)
+{
+       unsigned int i;
+
+       if (!array || !array_sz)
+               return 0;
+
+       for (i = 0; i < array_sz; i++)
+               if (v4l2_id == array[i].v4l2_id)
+                       return array[i].hfi_id;
+
+       return 0;
+}
+
+static void
+v4l2_id_profile_level(u32 hfi_codec, struct hfi_profile_level *pl, u32 
*profile, u32 *level)
+{
+       u32 hfi_pf = pl->profile;
+       u32 hfi_lvl = pl->level;
+
+       switch (hfi_codec) {
+       case HFI_VIDEO_CODEC_H264:
+               *profile = find_v4l2_id(hfi_pf, h264_profiles, 
ARRAY_SIZE(h264_profiles));
+               *level = find_v4l2_id(hfi_lvl, h264_levels, 
ARRAY_SIZE(h264_levels));
+               break;
+       case HFI_VIDEO_CODEC_MPEG2:
+               *profile = find_v4l2_id(hfi_pf, mpeg2_profiles, 
ARRAY_SIZE(mpeg2_profiles));
+               *level = find_v4l2_id(hfi_lvl, mpeg2_levels, 
ARRAY_SIZE(mpeg2_levels));
+               break;
+       case HFI_VIDEO_CODEC_MPEG4:
+               *profile = find_v4l2_id(hfi_pf, mpeg4_profiles, 
ARRAY_SIZE(mpeg4_profiles));
+               *level = find_v4l2_id(hfi_lvl, mpeg4_levels, 
ARRAY_SIZE(mpeg4_levels));
+               break;
+       case HFI_VIDEO_CODEC_VP8:
+               *profile = find_v4l2_id(hfi_pf, vp8_profiles, 
ARRAY_SIZE(vp8_profiles));
+               *level = 0;
+               break;
+       case HFI_VIDEO_CODEC_VP9:
+               *profile = find_v4l2_id(hfi_pf, vp9_profiles, 
ARRAY_SIZE(vp9_profiles));
+               *level = find_v4l2_id(hfi_lvl, vp9_levels, 
ARRAY_SIZE(vp9_levels));
+               break;
+       case HFI_VIDEO_CODEC_HEVC:
+               *profile = find_v4l2_id(hfi_pf, hevc_profiles, 
ARRAY_SIZE(hevc_profiles));
+               *level = find_v4l2_id(hfi_lvl, hevc_levels, 
ARRAY_SIZE(hevc_levels));
+               break;
+       default:
+               break;
+       }
+}
+
+static void
+hfi_id_profile_level(u32 hfi_codec, u32 v4l2_pf, u32 v4l2_lvl, struct 
hfi_profile_level *pl)
+{
+       switch (hfi_codec) {
+       case HFI_VIDEO_CODEC_H264:
+               pl->profile = find_hfi_id(v4l2_pf, h264_profiles, 
ARRAY_SIZE(h264_profiles));
+               pl->level = find_hfi_id(v4l2_lvl, h264_levels, 
ARRAY_SIZE(h264_levels));
+               break;
+       case HFI_VIDEO_CODEC_MPEG2:
+               pl->profile = find_hfi_id(v4l2_pf, mpeg2_profiles, 
ARRAY_SIZE(mpeg2_profiles));
+               pl->level = find_hfi_id(v4l2_lvl, mpeg2_levels, 
ARRAY_SIZE(mpeg2_levels));
+               break;
+       case HFI_VIDEO_CODEC_MPEG4:
+               pl->profile = find_hfi_id(v4l2_pf, mpeg4_profiles, 
ARRAY_SIZE(mpeg4_profiles));
+               pl->level = find_hfi_id(v4l2_lvl, mpeg4_levels, 
ARRAY_SIZE(mpeg4_levels));
+               break;
+       case HFI_VIDEO_CODEC_VP8:
+               pl->profile = find_hfi_id(v4l2_pf, vp8_profiles, 
ARRAY_SIZE(vp8_profiles));
+               pl->level = 0;
+               break;
+       case HFI_VIDEO_CODEC_VP9:
+               pl->profile = find_hfi_id(v4l2_pf, vp9_profiles, 
ARRAY_SIZE(vp9_profiles));
+               pl->level = find_hfi_id(v4l2_lvl, vp9_levels, 
ARRAY_SIZE(vp9_levels));
+               break;
+       case HFI_VIDEO_CODEC_HEVC:
+               pl->profile = find_hfi_id(v4l2_pf, hevc_profiles, 
ARRAY_SIZE(hevc_profiles));
+               pl->level = find_hfi_id(v4l2_lvl, hevc_levels, 
ARRAY_SIZE(hevc_levels));
+               break;
+       default:
+               break;
+       }
+}
+
+int venus_helper_get_profile_level(struct venus_inst *inst, u32 *profile, u32 
*level)
+{
+       const u32 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
+       union hfi_get_property hprop;
+       int ret;
+
+       ret = hfi_session_get_property(inst, ptype, &hprop);
+       if (ret)
+               return ret;
+
+       v4l2_id_profile_level(inst->hfi_codec, &hprop.profile_level, profile, 
level);
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(venus_helper_get_profile_level);
+
+int venus_helper_set_profile_level(struct venus_inst *inst, u32 profile, u32 
level)
+{
+       const u32 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
+       struct hfi_profile_level pl;
+
+       hfi_id_profile_level(inst->hfi_codec, profile, level, &pl);
+
+       return hfi_session_set_property(inst, ptype, &pl);
+}
+EXPORT_SYMBOL_GPL(venus_helper_set_profile_level);
+
 static u32 get_framesize_raw_nv12(u32 width, u32 height)
 {
        u32 y_stride, uv_stride, y_plane;
diff --git a/drivers/media/platform/qcom/venus/helpers.h 
b/drivers/media/platform/qcom/venus/helpers.h
index 8fbbda12a4fe..a4a0562bc83f 100644
--- a/drivers/media/platform/qcom/venus/helpers.h
+++ b/drivers/media/platform/qcom/venus/helpers.h
@@ -61,4 +61,6 @@ int venus_helper_process_initial_cap_bufs(struct venus_inst 
*inst);
 int venus_helper_process_initial_out_bufs(struct venus_inst *inst);
 void venus_helper_get_ts_metadata(struct venus_inst *inst, u64 timestamp_us,
                                  struct vb2_v4l2_buffer *vbuf);
+int venus_helper_get_profile_level(struct venus_inst *inst, u32 *profile, u32 
*level);
+int venus_helper_set_profile_level(struct venus_inst *inst, u32 profile, u32 
level);
 #endif
-- 
2.17.1

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