Commit 6d30cbfb authored by james qian wang (Arm Technology China)'s avatar james qian wang (Arm Technology China) Committed by Liviu Dudau

drm/komeda: Implement D71 scaler support

1. Add scaler component and initialize it according to D71 HW.
2. Implement d71_scaler_update/disable/dump

v2:
- Correct a typo
- Constify component_funcs: d71_scaler_funcs
Signed-off-by: default avatarJames Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: default avatarLiviu Dudau <liviu.dudau@arm.com>
parent 502932a0
......@@ -551,6 +551,132 @@ static int d71_compiz_init(struct d71_dev *d71,
return 0;
}
static void d71_scaler_update_filter_lut(u32 __iomem *reg, u32 hsize_in,
u32 vsize_in, u32 hsize_out,
u32 vsize_out)
{
u32 val = 0;
if (hsize_in <= hsize_out)
val |= 0x62;
else if (hsize_in <= (hsize_out + hsize_out / 2))
val |= 0x63;
else if (hsize_in <= hsize_out * 2)
val |= 0x64;
else if (hsize_in <= hsize_out * 2 + (hsize_out * 3) / 4)
val |= 0x65;
else
val |= 0x66;
if (vsize_in <= vsize_out)
val |= SC_VTSEL(0x6A);
else if (vsize_in <= (vsize_out + vsize_out / 2))
val |= SC_VTSEL(0x6B);
else if (vsize_in <= vsize_out * 2)
val |= SC_VTSEL(0x6C);
else if (vsize_in <= vsize_out * 2 + vsize_out * 3 / 4)
val |= SC_VTSEL(0x6D);
else
val |= SC_VTSEL(0x6E);
malidp_write32(reg, SC_COEFFTAB, val);
}
static void d71_scaler_update(struct komeda_component *c,
struct komeda_component_state *state)
{
struct komeda_scaler_state *st = to_scaler_st(state);
u32 __iomem *reg = c->reg;
u32 init_ph, delta_ph, ctrl;
d71_scaler_update_filter_lut(reg, st->hsize_in, st->vsize_in,
st->hsize_out, st->vsize_out);
malidp_write32(reg, BLK_IN_SIZE, HV_SIZE(st->hsize_in, st->vsize_in));
malidp_write32(reg, SC_OUT_SIZE, HV_SIZE(st->hsize_out, st->vsize_out));
init_ph = (st->hsize_in << 15) / st->hsize_out;
malidp_write32(reg, SC_H_INIT_PH, init_ph);
delta_ph = (st->hsize_in << 16) / st->hsize_out;
malidp_write32(reg, SC_H_DELTA_PH, delta_ph);
init_ph = (st->vsize_in << 15) / st->vsize_out;
malidp_write32(reg, SC_V_INIT_PH, init_ph);
delta_ph = (st->vsize_in << 16) / st->vsize_out;
malidp_write32(reg, SC_V_DELTA_PH, delta_ph);
ctrl = 0;
ctrl |= st->en_scaling ? SC_CTRL_SCL : 0;
ctrl |= st->en_alpha ? SC_CTRL_AP : 0;
malidp_write32(reg, BLK_CONTROL, ctrl);
malidp_write32(reg, BLK_INPUT_ID0, to_d71_input_id(&state->inputs[0]));
}
static void d71_scaler_dump(struct komeda_component *c, struct seq_file *sf)
{
u32 v[9];
dump_block_header(sf, c->reg);
get_values_from_reg(c->reg, 0x80, 1, v);
seq_printf(sf, "SC_INPUT_ID0:\t\t0x%X\n", v[0]);
get_values_from_reg(c->reg, 0xD0, 1, v);
seq_printf(sf, "SC_CONTROL:\t\t0x%X\n", v[0]);
get_values_from_reg(c->reg, 0xDC, 9, v);
seq_printf(sf, "SC_COEFFTAB:\t\t0x%X\n", v[0]);
seq_printf(sf, "SC_IN_SIZE:\t\t0x%X\n", v[1]);
seq_printf(sf, "SC_OUT_SIZE:\t\t0x%X\n", v[2]);
seq_printf(sf, "SC_H_CROP:\t\t0x%X\n", v[3]);
seq_printf(sf, "SC_V_CROP:\t\t0x%X\n", v[4]);
seq_printf(sf, "SC_H_INIT_PH:\t\t0x%X\n", v[5]);
seq_printf(sf, "SC_H_DELTA_PH:\t\t0x%X\n", v[6]);
seq_printf(sf, "SC_V_INIT_PH:\t\t0x%X\n", v[7]);
seq_printf(sf, "SC_V_DELTA_PH:\t\t0x%X\n", v[8]);
}
static const struct komeda_component_funcs d71_scaler_funcs = {
.update = d71_scaler_update,
.disable = d71_component_disable,
.dump_register = d71_scaler_dump,
};
static int d71_scaler_init(struct d71_dev *d71,
struct block_header *blk, u32 __iomem *reg)
{
struct komeda_component *c;
struct komeda_scaler *scaler;
u32 pipe_id, comp_id;
get_resources_id(blk->block_info, &pipe_id, &comp_id);
c = komeda_component_add(&d71->pipes[pipe_id]->base, sizeof(*scaler),
comp_id, BLOCK_INFO_INPUT_ID(blk->block_info),
&d71_scaler_funcs,
1, get_valid_inputs(blk), 1, reg,
"CU%d_SCALER%d",
pipe_id, BLOCK_INFO_BLK_ID(blk->block_info));
if (IS_ERR(c)) {
DRM_ERROR("Failed to initialize scaler");
return PTR_ERR(c);
}
scaler = to_scaler(c);
set_range(&scaler->hsize, 4, d71->max_line_size);
set_range(&scaler->vsize, 4, 4096);
scaler->max_downscaling = 6;
scaler->max_upscaling = 64;
malidp_write32(c->reg, BLK_CONTROL, 0);
return 0;
}
static void d71_improc_update(struct komeda_component *c,
struct komeda_component_state *state)
{
......@@ -771,8 +897,11 @@ int d71_probe_block(struct d71_dev *d71,
err = d71_compiz_init(d71, blk, reg);
break;
case D71_BLK_TYPE_CU_SPLITTER:
case D71_BLK_TYPE_CU_SCALER:
err = d71_scaler_init(d71, blk, reg);
break;
case D71_BLK_TYPE_CU_SPLITTER:
case D71_BLK_TYPE_CU_MERGER:
break;
......
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