[PATCH 12/18] media: hantro: add VC8000D h264 decoding

From: Adrian Ratiu
Date: Mon Oct 12 2020 - 16:59:58 EST

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VC8000D is a newer core combining both previous G1 and G2 cores into
one chip. As a result of this register layouts took a hit but the HW
functions mostly the same, so we can use regmap fields to compensate.

Signed-off-by: Adrian Ratiu <adrian.ratiu@xxxxxxxxxxxxx>
---
.../staging/media/hantro/hantro_g1_h264_dec.c | 29 +++++++-
drivers/staging/media/hantro/hantro_regmap.c | 69 +++++++++++++++++++
drivers/staging/media/hantro/hantro_regmap.h | 22 ++++++
3 files changed, 117 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/media/hantro/hantro_g1_h264_dec.c b/drivers/staging/media/hantro/hantro_g1_h264_dec.c
index 8592dfabbc5e..a04cb616d628 100644
--- a/drivers/staging/media/hantro/hantro_g1_h264_dec.c
+++ b/drivers/staging/media/hantro/hantro_g1_h264_dec.c
@@ -20,6 +20,8 @@
#include "hantro_v4l2.h"
#include "hantro_regmap.h"

+#define VC8KD_TIMEOUT 0x500000
+
extern struct regmap_config hantro_regmap_dec;

static void set_params(struct hantro_ctx *ctx)
@@ -33,10 +35,23 @@ static void set_params(struct hantro_ctx *ctx)
struct hantro_regmap_fields_dec *fields = vpu->reg_fields_dec;
u32 width = MB_WIDTH(ctx->src_fmt.width);
u32 height = MB_HEIGHT(ctx->src_fmt.height);
- u32 reg;
+ u32 reg, stride;

regmap_field_write(fields->dec_axi_wr_id, 0x0);

+ if (vpu->core_hw_dec_rev == HANTRO_VC8000_REV) {
+ /* stride should be computed in hantro_try_fmt() and set here */
+ stride = width * 4 * 16;
+ regmap_field_write(fields->dec_out_y_stride, stride);
+ regmap_field_write(fields->dec_out_c_stride, stride);
+
+ /* on VC8KD the pic sizes changed from MB to CBS */
+ regmap_field_write(fields->dec_min_cb_size, 3);
+ regmap_field_write(fields->dec_max_cb_size, 4);
+ width <<= 1;
+ height <<= 1;
+ }
+
/* Decoder control register 0. */
reg = 0;
if (sps->flags & V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD)
@@ -230,7 +245,7 @@ static void set_ref(struct hantro_ctx *ctx)
/* Set up addresses of DPB buffers. */
for (i = 0; i < HANTRO_H264_DPB_SIZE; i++) {
dma_addr_t dma_addr = hantro_h264_get_ref_buf(ctx, i);
- vdpu_write_relaxed(vpu, dma_addr, G1_REG_ADDR_REF(i));
+ vdpu_write_relaxed(vpu, dma_addr, REG_ADDR_REF(i));
}
}

@@ -309,7 +324,15 @@ void hantro_g1_h264_dec_run(struct hantro_ctx *ctx)
G1_REG_CONFIG_DEC_STRSWAP32_E;
vdpu_write_relaxed(vpu, reg, G1_REG_CONFIG);
break;
- /* TODO: add VC8000 support */
+ case HANTRO_VC8000_REV:
+ regmap_field_write(fields->dec_ext_timeout_e, 1);
+ regmap_field_write(fields->dec_ext_timeout_cycles, VC8KD_TIMEOUT);
+ regmap_field_write(fields->dec_timeout_e, 1);
+ regmap_field_write(fields->dec_timeout_cycles, VC8KD_TIMEOUT);
+ regmap_field_write(fields->dec_buswidth, 2);
+ regmap_field_write(fields->dec_tab_swap, 3);
+ regmap_field_write(fields->dec_tiled_mode_lsb, 1);
+ break;
}

regmap_field_write(fields->dec_clk_gate_e, 1);
diff --git a/drivers/staging/media/hantro/hantro_regmap.c b/drivers/staging/media/hantro/hantro_regmap.c
index c0344b0ec8de..0e74ba69034f 100644
--- a/drivers/staging/media/hantro/hantro_regmap.c
+++ b/drivers/staging/media/hantro/hantro_regmap.c
@@ -37,8 +37,13 @@ struct hantro_field_dec {
struct reg_field cfg_dec_axi_rd_id;
struct reg_field cfg_dec_axi_wr_id;
struct reg_field cfg_dec_rlc_mode_e;
+ struct reg_field cfg_dec_strm_swap;
+ struct reg_field cfg_dec_pic_swap;
+ struct reg_field cfg_dec_dirmv_swap;
struct reg_field cfg_dec_mode;
+ struct reg_field cfg_dec_buffer_empty_int_e;
struct reg_field cfg_dec_max_burst;
+ struct reg_field cfg_dec_buswidth;
struct reg_field cfg_dec_apf_threshold;
struct reg_field cfg_dec_stream_len;
struct reg_field cfg_dec_init_qp;
@@ -51,9 +56,18 @@ struct hantro_field_dec {
struct reg_field cfg_dec_addr_dst;
struct reg_field cfg_dec_ilace_mode;
struct reg_field cfg_dec_addr_qtable;
+ struct reg_field cfg_dec_max_cb_size;
+ struct reg_field cfg_dec_min_cb_size;
+ struct reg_field cfg_dec_out_y_stride;
+ struct reg_field cfg_dec_out_c_stride;
struct reg_field cfg_dec_addr_dir_mv;
struct reg_field cfg_dec_tiled_mode_lsb;
struct reg_field cfg_dec_clk_gate_e;
+ struct reg_field cfg_dec_tab_swap;
+ struct reg_field cfg_dec_ext_timeout_cycles;
+ struct reg_field cfg_dec_ext_timeout_e;
+ struct reg_field cfg_dec_timeout_cycles;
+ struct reg_field cfg_dec_timeout_e;

struct reg_field cfg_pp_pipeline_en;
struct reg_field cfg_pp_max_burst;
@@ -132,6 +146,43 @@ static const struct hantro_field_dec g1_field = {
.cfg_pp_scale_inv_hratio = REG_FIELD(SWREG(81), 0, 15),
};

+static const struct hantro_field_dec vc8000d_field = {
+ .cfg_dec_tiled_mode_lsb = REG_FIELD(SWREG(2), 7, 7),
+ .cfg_dec_clk_gate_e = REG_FIELD(SWREG(2), 10, 10),
+ .cfg_dec_tab_swap = REG_FIELD(SWREG(2), 12, 15),
+ .cfg_dec_axi_rd_id = REG_FIELD(SWREG(60), 0, 15),
+ .cfg_dec_axi_wr_id = REG_FIELD(SWREG(60), 16, 31),
+ .cfg_dec_rlc_mode_e = REG_FIELD(SWREG(3), 24, 24),
+ .cfg_dec_strm_swap = REG_FIELD(SWREG(2), 28, 31),
+ .cfg_dec_pic_swap = REG_FIELD(SWREG(2), 24, 27),
+ .cfg_dec_dirmv_swap = REG_FIELD(SWREG(2), 20, 23),
+ .cfg_dec_mode = REG_FIELD(SWREG(3), 27, 31),
+ .cfg_dec_buffer_empty_int_e = REG_FIELD(SWREG(3), 2, 2),
+ .cfg_dec_max_burst = REG_FIELD(SWREG(58), 0, 7),
+ .cfg_dec_buswidth = REG_FIELD(SWREG(58), 8, 10),
+ .cfg_dec_apf_threshold = REG_FIELD(SWREG(55), 0, 15),
+ .cfg_dec_stream_len = REG_FIELD(SWREG(6), 0, 31),
+ .cfg_dec_init_qp = REG_FIELD(SWREG(13), 24, 30),
+ .cfg_dec_start_code_e = REG_FIELD(SWREG(13), 31, 31),
+ .cfg_dec_pic_width = REG_FIELD(SWREG(4), 19, 31),
+ .cfg_dec_pic_height = REG_FIELD(SWREG(4), 6, 18),
+ .cfg_dec_num_ref_frames = REG_FIELD(SWREG(4), 0, 4),
+ .cfg_dec_scaling_list_e = REG_FIELD(SWREG(5), 24, 24),
+ .cfg_dec_addr_str = REG_FIELD(SWREG(169), 0, 31),
+ .cfg_dec_addr_dst = REG_FIELD(SWREG(65), 0, 31),
+ .cfg_dec_ilace_mode = REG_FIELD(SWREG(65), 1, 1),
+ .cfg_dec_addr_qtable = REG_FIELD(SWREG(175), 0, 31),
+ .cfg_dec_addr_dir_mv = REG_FIELD(SWREG(133), 0, 31),
+ .cfg_dec_max_cb_size = REG_FIELD(SWREG(12), 10, 12),
+ .cfg_dec_min_cb_size = REG_FIELD(SWREG(12), 13, 15),
+ .cfg_dec_out_y_stride = REG_FIELD(SWREG(314), 16, 31),
+ .cfg_dec_out_c_stride = REG_FIELD(SWREG(314), 0, 15),
+ .cfg_dec_ext_timeout_cycles = REG_FIELD(SWREG(318), 0, 30),
+ .cfg_dec_ext_timeout_e = REG_FIELD(SWREG(318), 31, 31),
+ .cfg_dec_timeout_cycles = REG_FIELD(SWREG(319), 0, 30),
+ .cfg_dec_timeout_e = REG_FIELD(SWREG(319), 31, 31),
+};
+
#define INIT_FIELD_CFG(f, codec, conf) ({ \
vpu->reg_fields_##codec->(f) = devm_regmap_field_alloc(vpu->dev,\
vpu->regs_##codec, \
@@ -156,8 +207,13 @@ static int hantro_regmap_fields_init_dec(struct hantro_dev *vpu,
INIT_DEC_FIELD(dec_axi_wr_id);
INIT_DEC_FIELD(dec_axi_rd_id);
INIT_DEC_FIELD(dec_rlc_mode_e);
+ INIT_DEC_FIELD(dec_strm_swap);
+ INIT_DEC_FIELD(dec_pic_swap);
+ INIT_DEC_FIELD(dec_dirmv_swap);
INIT_DEC_FIELD(dec_mode);
+ INIT_DEC_FIELD(dec_buffer_empty_int_e);
INIT_DEC_FIELD(dec_max_burst);
+ INIT_DEC_FIELD(dec_buswidth);
INIT_DEC_FIELD(dec_apf_threshold);
INIT_DEC_FIELD(dec_stream_len);
INIT_DEC_FIELD(dec_init_qp);
@@ -170,9 +226,18 @@ static int hantro_regmap_fields_init_dec(struct hantro_dev *vpu,
INIT_DEC_FIELD(dec_addr_dst);
INIT_DEC_FIELD(dec_ilace_mode);
INIT_DEC_FIELD(dec_addr_qtable);
+ INIT_DEC_FIELD(dec_max_cb_size);
+ INIT_DEC_FIELD(dec_min_cb_size);
+ INIT_DEC_FIELD(dec_out_y_stride);
+ INIT_DEC_FIELD(dec_out_c_stride);
INIT_DEC_FIELD(dec_addr_dir_mv);
INIT_DEC_FIELD(dec_tiled_mode_lsb);
INIT_DEC_FIELD(dec_clk_gate_e);
+ INIT_DEC_FIELD(dec_tab_swap);
+ INIT_DEC_FIELD(dec_ext_timeout_cycles);
+ INIT_DEC_FIELD(dec_ext_timeout_e);
+ INIT_DEC_FIELD(dec_timeout_cycles);
+ INIT_DEC_FIELD(dec_timeout_e);

/* Post-processor */
INIT_DEC_FIELD(pp_pipeline_en);
@@ -275,6 +340,10 @@ int hantro_regmap_init_dec(struct hantro_dev *vpu)
hantro_regmap_dec.max_register = 0x1D8;
field = &g1_field;
break;
+ case HANTRO_VC8000_REV:
+ hantro_regmap_dec.max_register = 0x554;
+ field = &vc8000d_field;
+ break;
default:
dev_err(vpu->dev, "Decoder revision 0x%x not supported by driver.\n",
vpu->core_hw_dec_rev);
diff --git a/drivers/staging/media/hantro/hantro_regmap.h b/drivers/staging/media/hantro/hantro_regmap.h
index 1e6e3b2478ae..8ec0020f40c3 100644
--- a/drivers/staging/media/hantro/hantro_regmap.h
+++ b/drivers/staging/media/hantro/hantro_regmap.h
@@ -10,16 +10,29 @@
#define HANTRO_REGMAP_H_

#define HANTRO_G1_REV 0x6731
+#define HANTRO_VC8000_REV 0x8001

#define SWREG(nr) ((nr) << 2)

+#define SWREG_ITER_G1(n, i) (SWREG(n) + ((i) << 2))
+#define SWREG_ITER_VC8000(n, i) (SWREG(n) + ((i) << 3))
+
+#define REG_ADDR_REF(i) (vpu->core_hw_dec_rev == HANTRO_G1_REV ? \
+ SWREG_ITER_G1(14, i) : \
+ SWREG_ITER_VC8000(67, i))
+
struct hantro_regmap_fields_dec {
/* Decoder */
struct regmap_field *dec_axi_rd_id;
struct regmap_field *dec_axi_wr_id;
struct regmap_field *dec_max_burst;
struct regmap_field *dec_rlc_mode_e;
+ struct regmap_field *dec_strm_swap;
+ struct regmap_field *dec_pic_swap;
+ struct regmap_field *dec_dirmv_swap;
struct regmap_field *dec_mode;
+ struct regmap_field *dec_buffer_empty_int_e;
+ struct regmap_field *dec_buswidth;
struct regmap_field *dec_apf_threshold;
struct regmap_field *dec_stream_len;
struct regmap_field *dec_init_qp;
@@ -32,9 +45,18 @@ struct hantro_regmap_fields_dec {
struct regmap_field *dec_addr_dst;
struct regmap_field *dec_ilace_mode;
struct regmap_field *dec_addr_qtable;
+ struct regmap_field *dec_max_cb_size;
+ struct regmap_field *dec_min_cb_size;
+ struct regmap_field *dec_out_y_stride;
+ struct regmap_field *dec_out_c_stride;
struct regmap_field *dec_addr_dir_mv;
struct regmap_field *dec_tiled_mode_lsb;
struct regmap_field *dec_clk_gate_e;
+ struct regmap_field *dec_tab_swap;
+ struct regmap_field *dec_ext_timeout_cycles;
+ struct regmap_field *dec_ext_timeout_e;
+ struct regmap_field *dec_timeout_cycles;
+ struct regmap_field *dec_timeout_e;

/* Post-processor */
struct regmap_field *pp_pipeline_en;
--
2.28.0

Next message: Adrian Ratiu: "[PATCH 06/18] media: hantro: imx8mq: simplify ctrlblk reset logic"
Previous message: Adrian Ratiu: "[PATCH 16/18] media: hantro: rename h264_dec as it's not G1 specific anymore"
In reply to: Adrian Ratiu: "[PATCH 16/18] media: hantro: rename h264_dec as it's not G1 specific anymore"
Next in thread: Adrian Ratiu: "[PATCH 06/18] media: hantro: imx8mq: simplify ctrlblk reset logic"
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