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drm: mali-dp: Add plane upscaling support
Enable the scaling engine for upscaling a single plane using the polyphase scaler. No image enhancement support or downscaling yet*, and composition result scaling is not implemented. * Downscaling a plane requires mclk > pxlclk. Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com> Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
This commit is contained in:
parent
50c7512fd7
commit
28ce675b74
7 changed files with 407 additions and 17 deletions
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@ -247,6 +247,82 @@ static int malidp_crtc_atomic_check_ctm(struct drm_crtc *crtc,
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return 0;
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}
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static int malidp_crtc_atomic_check_scaling(struct drm_crtc *crtc,
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struct drm_crtc_state *state)
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{
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struct malidp_crtc_state *cs = to_malidp_crtc_state(state);
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struct malidp_se_config *s = &cs->scaler_config;
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struct drm_plane *plane;
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const struct drm_plane_state *pstate;
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u32 h_upscale_factor = 0; /* U16.16 */
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u32 v_upscale_factor = 0; /* U16.16 */
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u8 scaling = cs->scaled_planes_mask;
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if (!scaling) {
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s->scale_enable = false;
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return 0;
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}
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/* The scaling engine can only handle one plane at a time. */
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if (scaling & (scaling - 1))
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return -EINVAL;
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drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) {
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struct malidp_plane *mp = to_malidp_plane(plane);
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u64 crtc_w, crtc_h;
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u32 phase;
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if (!(mp->layer->id & scaling))
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continue;
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/*
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* Convert crtc_[w|h] to U32.32, then divide by U16.16 src_[w|h]
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* to get the U16.16 result.
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*/
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crtc_w = (u64)pstate->crtc_w << 32;
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crtc_h = (u64)pstate->crtc_h << 32;
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h_upscale_factor = (u32)(crtc_w / pstate->src_w);
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v_upscale_factor = (u32)(crtc_h / pstate->src_h);
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/* Downscaling won't work when mclk == pxlclk. */
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if (!(h_upscale_factor >> 16) || !(v_upscale_factor >> 16))
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return -EINVAL;
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s->input_w = pstate->src_w >> 16;
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s->input_h = pstate->src_h >> 16;
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s->output_w = pstate->crtc_w;
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s->output_h = pstate->crtc_h;
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#define SE_N_PHASE 4
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#define SE_SHIFT_N_PHASE 12
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/* Calculate initial_phase and delta_phase for horizontal. */
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phase = s->input_w;
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s->h_init_phase =
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((phase << SE_N_PHASE) / s->output_w + 1) / 2;
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phase = s->input_w;
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phase <<= (SE_SHIFT_N_PHASE + SE_N_PHASE);
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s->h_delta_phase = phase / s->output_w;
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/* Same for vertical. */
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phase = s->input_h;
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s->v_init_phase =
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((phase << SE_N_PHASE) / s->output_h + 1) / 2;
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phase = s->input_h;
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phase <<= (SE_SHIFT_N_PHASE + SE_N_PHASE);
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s->v_delta_phase = phase / s->output_h;
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#undef SE_N_PHASE
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#undef SE_SHIFT_N_PHASE
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s->plane_src_id = mp->layer->id;
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}
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s->scale_enable = true;
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s->hcoeff = malidp_se_select_coeffs(h_upscale_factor);
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s->vcoeff = malidp_se_select_coeffs(v_upscale_factor);
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return 0;
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}
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static int malidp_crtc_atomic_check(struct drm_crtc *crtc,
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struct drm_crtc_state *state)
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{
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@ -325,6 +401,7 @@ static int malidp_crtc_atomic_check(struct drm_crtc *crtc,
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ret = malidp_crtc_atomic_check_gamma(crtc, state);
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ret = ret ? ret : malidp_crtc_atomic_check_ctm(crtc, state);
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ret = ret ? ret : malidp_crtc_atomic_check_scaling(crtc, state);
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return ret;
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}
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@ -353,6 +430,9 @@ static struct drm_crtc_state *malidp_crtc_duplicate_state(struct drm_crtc *crtc)
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sizeof(state->gamma_coeffs));
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memcpy(state->coloradj_coeffs, old_state->coloradj_coeffs,
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sizeof(state->coloradj_coeffs));
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memcpy(&state->scaler_config, &old_state->scaler_config,
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sizeof(state->scaler_config));
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state->scaled_planes_mask = 0;
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return &state->base;
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}
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@ -110,6 +110,52 @@ void malidp_atomic_commit_update_coloradj(struct drm_crtc *crtc,
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}
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}
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static void malidp_atomic_commit_se_config(struct drm_crtc *crtc,
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struct drm_crtc_state *old_state)
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{
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struct malidp_crtc_state *cs = to_malidp_crtc_state(crtc->state);
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struct malidp_crtc_state *old_cs = to_malidp_crtc_state(old_state);
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struct malidp_drm *malidp = crtc_to_malidp_device(crtc);
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struct malidp_hw_device *hwdev = malidp->dev;
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struct malidp_se_config *s = &cs->scaler_config;
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struct malidp_se_config *old_s = &old_cs->scaler_config;
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u32 se_control = hwdev->map.se_base +
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((hwdev->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) ?
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0x10 : 0xC);
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u32 layer_control = se_control + MALIDP_SE_LAYER_CONTROL;
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u32 scr = se_control + MALIDP_SE_SCALING_CONTROL;
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u32 val;
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/* Set SE_CONTROL */
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if (!s->scale_enable) {
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val = malidp_hw_read(hwdev, se_control);
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val &= ~MALIDP_SE_SCALING_EN;
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malidp_hw_write(hwdev, val, se_control);
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return;
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}
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hwdev->se_set_scaling_coeffs(hwdev, s, old_s);
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val = malidp_hw_read(hwdev, se_control);
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val |= MALIDP_SE_SCALING_EN | MALIDP_SE_ALPHA_EN;
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val |= MALIDP_SE_RGBO_IF_EN;
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malidp_hw_write(hwdev, val, se_control);
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/* Set IN_SIZE & OUT_SIZE. */
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val = MALIDP_SE_SET_V_SIZE(s->input_h) |
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MALIDP_SE_SET_H_SIZE(s->input_w);
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malidp_hw_write(hwdev, val, layer_control + MALIDP_SE_L0_IN_SIZE);
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val = MALIDP_SE_SET_V_SIZE(s->output_h) |
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MALIDP_SE_SET_H_SIZE(s->output_w);
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malidp_hw_write(hwdev, val, layer_control + MALIDP_SE_L0_OUT_SIZE);
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/* Set phase regs. */
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malidp_hw_write(hwdev, s->h_init_phase, scr + MALIDP_SE_H_INIT_PH);
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malidp_hw_write(hwdev, s->h_delta_phase, scr + MALIDP_SE_H_DELTA_PH);
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malidp_hw_write(hwdev, s->v_init_phase, scr + MALIDP_SE_V_INIT_PH);
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malidp_hw_write(hwdev, s->v_delta_phase, scr + MALIDP_SE_V_DELTA_PH);
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}
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/*
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* set the "config valid" bit and wait until the hardware acts on it
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*/
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@ -179,6 +225,7 @@ static void malidp_atomic_commit_tail(struct drm_atomic_state *state)
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for_each_crtc_in_state(state, crtc, old_crtc_state, i) {
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malidp_atomic_commit_update_gamma(crtc, old_crtc_state);
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malidp_atomic_commit_update_coloradj(crtc, old_crtc_state);
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malidp_atomic_commit_se_config(crtc, old_crtc_state);
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}
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drm_atomic_helper_commit_planes(drm, state, 0);
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@ -53,6 +53,9 @@ struct malidp_crtc_state {
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struct drm_crtc_state base;
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u32 gamma_coeffs[MALIDP_COEFFTAB_NUM_COEFFS];
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u32 coloradj_coeffs[MALIDP_COLORADJ_NUM_COEFFS];
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struct malidp_se_config scaler_config;
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/* Bitfield of all the planes that have requested a scaled output. */
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u8 scaled_planes_mask;
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};
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#define to_malidp_crtc_state(x) container_of(x, struct malidp_crtc_state, base)
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@ -86,6 +86,80 @@ static const struct malidp_layer malidp550_layers[] = {
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{ DE_SMART, MALIDP550_DE_LS_BASE, MALIDP550_DE_LS_PTR_BASE, MALIDP550_DE_LS_R1_STRIDE },
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};
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#define SE_N_SCALING_COEFFS 96
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static const u16 dp500_se_scaling_coeffs[][SE_N_SCALING_COEFFS] = {
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[MALIDP_UPSCALING_COEFFS - 1] = {
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0x0000, 0x0001, 0x0007, 0x0011, 0x001e, 0x002e, 0x003f, 0x0052,
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0x0064, 0x0073, 0x007d, 0x0080, 0x007a, 0x006c, 0x0053, 0x002f,
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0x0000, 0x3fc6, 0x3f83, 0x3f39, 0x3eea, 0x3e9b, 0x3e4f, 0x3e0a,
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0x3dd4, 0x3db0, 0x3da2, 0x3db1, 0x3dde, 0x3e2f, 0x3ea5, 0x3f40,
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0x0000, 0x00e5, 0x01ee, 0x0315, 0x0456, 0x05aa, 0x0709, 0x086c,
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0x09c9, 0x0b15, 0x0c4a, 0x0d5d, 0x0e4a, 0x0f06, 0x0f91, 0x0fe5,
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0x1000, 0x0fe5, 0x0f91, 0x0f06, 0x0e4a, 0x0d5d, 0x0c4a, 0x0b15,
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0x09c9, 0x086c, 0x0709, 0x05aa, 0x0456, 0x0315, 0x01ee, 0x00e5,
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0x0000, 0x3f40, 0x3ea5, 0x3e2f, 0x3dde, 0x3db1, 0x3da2, 0x3db0,
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0x3dd4, 0x3e0a, 0x3e4f, 0x3e9b, 0x3eea, 0x3f39, 0x3f83, 0x3fc6,
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0x0000, 0x002f, 0x0053, 0x006c, 0x007a, 0x0080, 0x007d, 0x0073,
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0x0064, 0x0052, 0x003f, 0x002e, 0x001e, 0x0011, 0x0007, 0x0001
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},
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[MALIDP_DOWNSCALING_1_5_COEFFS - 1] = {
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0x0059, 0x004f, 0x0041, 0x002e, 0x0016, 0x3ffb, 0x3fd9, 0x3fb4,
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0x3f8c, 0x3f62, 0x3f36, 0x3f09, 0x3edd, 0x3eb3, 0x3e8d, 0x3e6c,
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0x3e52, 0x3e3f, 0x3e35, 0x3e37, 0x3e46, 0x3e61, 0x3e8c, 0x3ec5,
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0x3f0f, 0x3f68, 0x3fd1, 0x004a, 0x00d3, 0x0169, 0x020b, 0x02b8,
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0x036e, 0x042d, 0x04f2, 0x05b9, 0x0681, 0x0745, 0x0803, 0x08ba,
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0x0965, 0x0a03, 0x0a91, 0x0b0d, 0x0b75, 0x0bc6, 0x0c00, 0x0c20,
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0x0c28, 0x0c20, 0x0c00, 0x0bc6, 0x0b75, 0x0b0d, 0x0a91, 0x0a03,
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0x0965, 0x08ba, 0x0803, 0x0745, 0x0681, 0x05b9, 0x04f2, 0x042d,
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0x036e, 0x02b8, 0x020b, 0x0169, 0x00d3, 0x004a, 0x3fd1, 0x3f68,
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0x3f0f, 0x3ec5, 0x3e8c, 0x3e61, 0x3e46, 0x3e37, 0x3e35, 0x3e3f,
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0x3e52, 0x3e6c, 0x3e8d, 0x3eb3, 0x3edd, 0x3f09, 0x3f36, 0x3f62,
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0x3f8c, 0x3fb4, 0x3fd9, 0x3ffb, 0x0016, 0x002e, 0x0041, 0x004f
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},
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[MALIDP_DOWNSCALING_2_COEFFS - 1] = {
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0x3f19, 0x3f03, 0x3ef0, 0x3edf, 0x3ed0, 0x3ec5, 0x3ebd, 0x3eb9,
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0x3eb9, 0x3ebf, 0x3eca, 0x3ed9, 0x3eef, 0x3f0a, 0x3f2c, 0x3f52,
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0x3f7f, 0x3fb0, 0x3fe8, 0x0026, 0x006a, 0x00b4, 0x0103, 0x0158,
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0x01b1, 0x020d, 0x026c, 0x02cd, 0x032f, 0x0392, 0x03f4, 0x0455,
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0x04b4, 0x051e, 0x0585, 0x05eb, 0x064c, 0x06a8, 0x06fe, 0x074e,
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0x0796, 0x07d5, 0x080c, 0x0839, 0x085c, 0x0875, 0x0882, 0x0887,
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0x0881, 0x0887, 0x0882, 0x0875, 0x085c, 0x0839, 0x080c, 0x07d5,
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0x0796, 0x074e, 0x06fe, 0x06a8, 0x064c, 0x05eb, 0x0585, 0x051e,
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0x04b4, 0x0455, 0x03f4, 0x0392, 0x032f, 0x02cd, 0x026c, 0x020d,
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0x01b1, 0x0158, 0x0103, 0x00b4, 0x006a, 0x0026, 0x3fe8, 0x3fb0,
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0x3f7f, 0x3f52, 0x3f2c, 0x3f0a, 0x3eef, 0x3ed9, 0x3eca, 0x3ebf,
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0x3eb9, 0x3eb9, 0x3ebd, 0x3ec5, 0x3ed0, 0x3edf, 0x3ef0, 0x3f03
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},
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[MALIDP_DOWNSCALING_2_75_COEFFS - 1] = {
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0x3f51, 0x3f60, 0x3f71, 0x3f84, 0x3f98, 0x3faf, 0x3fc8, 0x3fe3,
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0x0000, 0x001f, 0x0040, 0x0064, 0x008a, 0x00b1, 0x00da, 0x0106,
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0x0133, 0x0160, 0x018e, 0x01bd, 0x01ec, 0x021d, 0x024e, 0x0280,
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0x02b2, 0x02e4, 0x0317, 0x0349, 0x037c, 0x03ad, 0x03df, 0x0410,
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0x0440, 0x0468, 0x048f, 0x04b3, 0x04d6, 0x04f8, 0x0516, 0x0533,
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0x054e, 0x0566, 0x057c, 0x0590, 0x05a0, 0x05ae, 0x05ba, 0x05c3,
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0x05c9, 0x05c3, 0x05ba, 0x05ae, 0x05a0, 0x0590, 0x057c, 0x0566,
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0x054e, 0x0533, 0x0516, 0x04f8, 0x04d6, 0x04b3, 0x048f, 0x0468,
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0x0440, 0x0410, 0x03df, 0x03ad, 0x037c, 0x0349, 0x0317, 0x02e4,
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0x02b2, 0x0280, 0x024e, 0x021d, 0x01ec, 0x01bd, 0x018e, 0x0160,
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0x0133, 0x0106, 0x00da, 0x00b1, 0x008a, 0x0064, 0x0040, 0x001f,
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0x0000, 0x3fe3, 0x3fc8, 0x3faf, 0x3f98, 0x3f84, 0x3f71, 0x3f60
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},
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[MALIDP_DOWNSCALING_4_COEFFS - 1] = {
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0x0094, 0x00a9, 0x00be, 0x00d4, 0x00ea, 0x0101, 0x0118, 0x012f,
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0x0148, 0x0160, 0x017a, 0x0193, 0x01ae, 0x01c8, 0x01e4, 0x01ff,
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0x021c, 0x0233, 0x024a, 0x0261, 0x0278, 0x028f, 0x02a6, 0x02bd,
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0x02d4, 0x02eb, 0x0302, 0x0319, 0x032f, 0x0346, 0x035d, 0x0374,
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0x038a, 0x0397, 0x03a3, 0x03af, 0x03bb, 0x03c6, 0x03d1, 0x03db,
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0x03e4, 0x03ed, 0x03f6, 0x03fe, 0x0406, 0x040d, 0x0414, 0x041a,
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0x0420, 0x041a, 0x0414, 0x040d, 0x0406, 0x03fe, 0x03f6, 0x03ed,
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0x03e4, 0x03db, 0x03d1, 0x03c6, 0x03bb, 0x03af, 0x03a3, 0x0397,
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0x038a, 0x0374, 0x035d, 0x0346, 0x032f, 0x0319, 0x0302, 0x02eb,
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0x02d4, 0x02bd, 0x02a6, 0x028f, 0x0278, 0x0261, 0x024a, 0x0233,
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0x021c, 0x01ff, 0x01e4, 0x01c8, 0x01ae, 0x0193, 0x017a, 0x0160,
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0x0148, 0x012f, 0x0118, 0x0101, 0x00ea, 0x00d4, 0x00be, 0x00a9
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},
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};
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#define MALIDP_DE_DEFAULT_PREFETCH_START 5
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static int malidp500_query_hw(struct malidp_hw_device *hwdev)
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@ -211,6 +285,55 @@ static int malidp500_rotmem_required(struct malidp_hw_device *hwdev, u16 w, u16
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return w * drm_format_plane_cpp(fmt, 0) * 8;
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}
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static void malidp500_se_write_pp_coefftab(struct malidp_hw_device *hwdev,
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u32 direction,
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u16 addr,
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u8 coeffs_id)
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{
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int i;
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u16 scaling_control = MALIDP500_SE_CONTROL + MALIDP_SE_SCALING_CONTROL;
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malidp_hw_write(hwdev,
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direction | (addr & MALIDP_SE_COEFFTAB_ADDR_MASK),
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scaling_control + MALIDP_SE_COEFFTAB_ADDR);
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for (i = 0; i < ARRAY_SIZE(dp500_se_scaling_coeffs); ++i)
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malidp_hw_write(hwdev, MALIDP_SE_SET_COEFFTAB_DATA(
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dp500_se_scaling_coeffs[coeffs_id][i]),
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scaling_control + MALIDP_SE_COEFFTAB_DATA);
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}
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static int malidp500_se_set_scaling_coeffs(struct malidp_hw_device *hwdev,
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struct malidp_se_config *se_config,
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struct malidp_se_config *old_config)
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{
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/* Get array indices into dp500_se_scaling_coeffs. */
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u8 h = (u8)se_config->hcoeff - 1;
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u8 v = (u8)se_config->vcoeff - 1;
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if (WARN_ON(h >= ARRAY_SIZE(dp500_se_scaling_coeffs) ||
|
||||
v >= ARRAY_SIZE(dp500_se_scaling_coeffs)))
|
||||
return -EINVAL;
|
||||
|
||||
if ((h == v) && (se_config->hcoeff != old_config->hcoeff ||
|
||||
se_config->vcoeff != old_config->vcoeff)) {
|
||||
malidp500_se_write_pp_coefftab(hwdev,
|
||||
(MALIDP_SE_V_COEFFTAB |
|
||||
MALIDP_SE_H_COEFFTAB),
|
||||
0, v);
|
||||
} else {
|
||||
if (se_config->vcoeff != old_config->vcoeff)
|
||||
malidp500_se_write_pp_coefftab(hwdev,
|
||||
MALIDP_SE_V_COEFFTAB,
|
||||
0, v);
|
||||
if (se_config->hcoeff != old_config->hcoeff)
|
||||
malidp500_se_write_pp_coefftab(hwdev,
|
||||
MALIDP_SE_H_COEFFTAB,
|
||||
0, h);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int malidp550_query_hw(struct malidp_hw_device *hwdev)
|
||||
{
|
||||
u32 conf = malidp_hw_read(hwdev, MALIDP550_CONFIG_ID);
|
||||
|
@ -384,6 +507,20 @@ static int malidp550_rotmem_required(struct malidp_hw_device *hwdev, u16 w, u16
|
|||
return w * bytes_per_col;
|
||||
}
|
||||
|
||||
static int malidp550_se_set_scaling_coeffs(struct malidp_hw_device *hwdev,
|
||||
struct malidp_se_config *se_config,
|
||||
struct malidp_se_config *old_config)
|
||||
{
|
||||
u32 mask = MALIDP550_SE_CTL_VCSEL(MALIDP550_SE_CTL_SEL_MASK) |
|
||||
MALIDP550_SE_CTL_HCSEL(MALIDP550_SE_CTL_SEL_MASK);
|
||||
u32 new_value = MALIDP550_SE_CTL_VCSEL(se_config->vcoeff) |
|
||||
MALIDP550_SE_CTL_HCSEL(se_config->hcoeff);
|
||||
|
||||
malidp_hw_clearbits(hwdev, mask, MALIDP550_SE_CONTROL);
|
||||
malidp_hw_setbits(hwdev, new_value, MALIDP550_SE_CONTROL);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int malidp650_query_hw(struct malidp_hw_device *hwdev)
|
||||
{
|
||||
u32 conf = malidp_hw_read(hwdev, MALIDP550_CONFIG_ID);
|
||||
|
@ -448,6 +585,7 @@ const struct malidp_hw_device malidp_device[MALIDP_MAX_DEVICES] = {
|
|||
.set_config_valid = malidp500_set_config_valid,
|
||||
.modeset = malidp500_modeset,
|
||||
.rotmem_required = malidp500_rotmem_required,
|
||||
.se_set_scaling_coeffs = malidp500_se_set_scaling_coeffs,
|
||||
.features = MALIDP_DEVICE_LV_HAS_3_STRIDES,
|
||||
},
|
||||
[MALIDP_550] = {
|
||||
|
@ -483,6 +621,7 @@ const struct malidp_hw_device malidp_device[MALIDP_MAX_DEVICES] = {
|
|||
.set_config_valid = malidp550_set_config_valid,
|
||||
.modeset = malidp550_modeset,
|
||||
.rotmem_required = malidp550_rotmem_required,
|
||||
.se_set_scaling_coeffs = malidp550_se_set_scaling_coeffs,
|
||||
.features = 0,
|
||||
},
|
||||
[MALIDP_650] = {
|
||||
|
@ -519,6 +658,7 @@ const struct malidp_hw_device malidp_device[MALIDP_MAX_DEVICES] = {
|
|||
.set_config_valid = malidp550_set_config_valid,
|
||||
.modeset = malidp550_modeset,
|
||||
.rotmem_required = malidp550_rotmem_required,
|
||||
.se_set_scaling_coeffs = malidp550_se_set_scaling_coeffs,
|
||||
.features = 0,
|
||||
},
|
||||
};
|
||||
|
|
|
@ -61,6 +61,25 @@ struct malidp_layer {
|
|||
u16 stride_offset; /* Offset to the first stride register. */
|
||||
};
|
||||
|
||||
enum malidp_scaling_coeff_set {
|
||||
MALIDP_UPSCALING_COEFFS = 1,
|
||||
MALIDP_DOWNSCALING_1_5_COEFFS = 2,
|
||||
MALIDP_DOWNSCALING_2_COEFFS = 3,
|
||||
MALIDP_DOWNSCALING_2_75_COEFFS = 4,
|
||||
MALIDP_DOWNSCALING_4_COEFFS = 5,
|
||||
};
|
||||
|
||||
struct malidp_se_config {
|
||||
u8 scale_enable : 1;
|
||||
u8 hcoeff : 3;
|
||||
u8 vcoeff : 3;
|
||||
u8 plane_src_id;
|
||||
u16 input_w, input_h;
|
||||
u16 output_w, output_h;
|
||||
u32 h_init_phase, h_delta_phase;
|
||||
u32 v_init_phase, v_delta_phase;
|
||||
};
|
||||
|
||||
/* regmap features */
|
||||
#define MALIDP_REGMAP_HAS_CLEARIRQ (1 << 0)
|
||||
|
||||
|
@ -153,6 +172,10 @@ struct malidp_hw_device {
|
|||
*/
|
||||
int (*rotmem_required)(struct malidp_hw_device *hwdev, u16 w, u16 h, u32 fmt);
|
||||
|
||||
int (*se_set_scaling_coeffs)(struct malidp_hw_device *hwdev,
|
||||
struct malidp_se_config *se_config,
|
||||
struct malidp_se_config *old_config);
|
||||
|
||||
u8 features;
|
||||
|
||||
u8 min_line_size;
|
||||
|
@ -250,6 +273,28 @@ static inline bool malidp_hw_pitch_valid(struct malidp_hw_device *hwdev,
|
|||
return !(pitch & (hwdev->map.bus_align_bytes - 1));
|
||||
}
|
||||
|
||||
/* U16.16 */
|
||||
#define FP_1_00000 0x00010000 /* 1.0 */
|
||||
#define FP_0_66667 0x0000AAAA /* 0.6667 = 1/1.5 */
|
||||
#define FP_0_50000 0x00008000 /* 0.5 = 1/2 */
|
||||
#define FP_0_36363 0x00005D17 /* 0.36363 = 1/2.75 */
|
||||
#define FP_0_25000 0x00004000 /* 0.25 = 1/4 */
|
||||
|
||||
static inline enum malidp_scaling_coeff_set
|
||||
malidp_se_select_coeffs(u32 upscale_factor)
|
||||
{
|
||||
return (upscale_factor >= FP_1_00000) ? MALIDP_UPSCALING_COEFFS :
|
||||
(upscale_factor >= FP_0_66667) ? MALIDP_DOWNSCALING_1_5_COEFFS :
|
||||
(upscale_factor >= FP_0_50000) ? MALIDP_DOWNSCALING_2_COEFFS :
|
||||
(upscale_factor >= FP_0_36363) ? MALIDP_DOWNSCALING_2_75_COEFFS :
|
||||
MALIDP_DOWNSCALING_4_COEFFS;
|
||||
}
|
||||
|
||||
#undef FP_0_25000
|
||||
#undef FP_0_36363
|
||||
#undef FP_0_50000
|
||||
#undef FP_0_66667
|
||||
#undef FP_1_00000
|
||||
/*
|
||||
* background color components are defined as 12bits values,
|
||||
* they will be shifted right when stored on hardware that
|
||||
|
|
|
@ -25,6 +25,9 @@
|
|||
#define MALIDP_LAYER_FORMAT 0x000
|
||||
#define MALIDP_LAYER_CONTROL 0x004
|
||||
#define LAYER_ENABLE (1 << 0)
|
||||
#define LAYER_FLOWCFG_MASK 7
|
||||
#define LAYER_FLOWCFG(x) (((x) & LAYER_FLOWCFG_MASK) << 1)
|
||||
#define LAYER_FLOWCFG_SCALE_SE 3
|
||||
#define LAYER_ROT_OFFSET 8
|
||||
#define LAYER_H_FLIP (1 << 10)
|
||||
#define LAYER_V_FLIP (1 << 11)
|
||||
|
@ -133,16 +136,50 @@ static const struct drm_plane_funcs malidp_de_plane_funcs = {
|
|||
.atomic_print_state = malidp_plane_atomic_print_state,
|
||||
};
|
||||
|
||||
static int malidp_se_check_scaling(struct malidp_plane *mp,
|
||||
struct drm_plane_state *state)
|
||||
{
|
||||
struct drm_crtc_state *crtc_state =
|
||||
drm_atomic_get_existing_crtc_state(state->state, state->crtc);
|
||||
struct malidp_crtc_state *mc;
|
||||
struct drm_rect clip = { 0 };
|
||||
u32 src_w, src_h;
|
||||
int ret;
|
||||
|
||||
if (!crtc_state)
|
||||
return -EINVAL;
|
||||
|
||||
clip.x2 = crtc_state->adjusted_mode.hdisplay;
|
||||
clip.y2 = crtc_state->adjusted_mode.vdisplay;
|
||||
ret = drm_plane_helper_check_state(state, &clip, 0, INT_MAX, true, true);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
src_w = state->src_w >> 16;
|
||||
src_h = state->src_h >> 16;
|
||||
if ((state->crtc_w == src_w) && (state->crtc_h == src_h)) {
|
||||
/* Scaling not necessary for this plane. */
|
||||
mc->scaled_planes_mask &= ~(mp->layer->id);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (mp->layer->id & (DE_SMART | DE_GRAPHICS2))
|
||||
return -EINVAL;
|
||||
|
||||
mc = to_malidp_crtc_state(crtc_state);
|
||||
|
||||
mc->scaled_planes_mask |= mp->layer->id;
|
||||
/* Defer scaling requirements calculation to the crtc check. */
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int malidp_de_plane_check(struct drm_plane *plane,
|
||||
struct drm_plane_state *state)
|
||||
{
|
||||
struct malidp_plane *mp = to_malidp_plane(plane);
|
||||
struct malidp_plane_state *ms = to_malidp_plane_state(state);
|
||||
struct drm_crtc_state *crtc_state;
|
||||
struct drm_framebuffer *fb;
|
||||
struct drm_rect clip = { 0 };
|
||||
int i, ret;
|
||||
u32 src_w, src_h;
|
||||
|
||||
if (!state->crtc || !state->fb)
|
||||
return 0;
|
||||
|
@ -163,9 +200,6 @@ static int malidp_de_plane_check(struct drm_plane *plane,
|
|||
}
|
||||
}
|
||||
|
||||
src_w = state->src_w >> 16;
|
||||
src_h = state->src_h >> 16;
|
||||
|
||||
if ((state->crtc_w > mp->hwdev->max_line_size) ||
|
||||
(state->crtc_h > mp->hwdev->max_line_size) ||
|
||||
(state->crtc_w < mp->hwdev->min_line_size) ||
|
||||
|
@ -182,22 +216,16 @@ static int malidp_de_plane_check(struct drm_plane *plane,
|
|||
(state->fb->pitches[1] != state->fb->pitches[2]))
|
||||
return -EINVAL;
|
||||
|
||||
ret = malidp_se_check_scaling(mp, state);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
/* packed RGB888 / BGR888 can't be rotated or flipped */
|
||||
if (state->rotation != DRM_ROTATE_0 &&
|
||||
(fb->format->format == DRM_FORMAT_RGB888 ||
|
||||
fb->format->format == DRM_FORMAT_BGR888))
|
||||
return -EINVAL;
|
||||
|
||||
crtc_state = drm_atomic_get_existing_crtc_state(state->state, state->crtc);
|
||||
clip.x2 = crtc_state->adjusted_mode.hdisplay;
|
||||
clip.y2 = crtc_state->adjusted_mode.vdisplay;
|
||||
ret = drm_plane_helper_check_state(state, &clip,
|
||||
DRM_PLANE_HELPER_NO_SCALING,
|
||||
DRM_PLANE_HELPER_NO_SCALING,
|
||||
true, true);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ms->rotmem_size = 0;
|
||||
if (state->rotation & MALIDP_ROTATED_MASK) {
|
||||
int val;
|
||||
|
@ -302,6 +330,16 @@ static void malidp_de_plane_update(struct drm_plane *plane,
|
|||
val &= ~LAYER_COMP_MASK;
|
||||
val |= LAYER_COMP_PIXEL;
|
||||
|
||||
val &= ~LAYER_FLOWCFG(LAYER_FLOWCFG_MASK);
|
||||
if (plane->state->crtc) {
|
||||
struct malidp_crtc_state *m =
|
||||
to_malidp_crtc_state(plane->state->crtc->state);
|
||||
|
||||
if (m->scaler_config.scale_enable &&
|
||||
m->scaler_config.plane_src_id == mp->layer->id)
|
||||
val |= LAYER_FLOWCFG(LAYER_FLOWCFG_SCALE_SE);
|
||||
}
|
||||
|
||||
/* set the 'enable layer' bit */
|
||||
val |= LAYER_ENABLE;
|
||||
|
||||
|
@ -314,7 +352,8 @@ static void malidp_de_plane_disable(struct drm_plane *plane,
|
|||
{
|
||||
struct malidp_plane *mp = to_malidp_plane(plane);
|
||||
|
||||
malidp_hw_clearbits(mp->hwdev, LAYER_ENABLE,
|
||||
malidp_hw_clearbits(mp->hwdev,
|
||||
LAYER_ENABLE | LAYER_FLOWCFG(LAYER_FLOWCFG_MASK),
|
||||
mp->layer->base + MALIDP_LAYER_CONTROL);
|
||||
}
|
||||
|
||||
|
|
|
@ -106,6 +106,40 @@
|
|||
#define MALIDP_COEF_TABLE_ADDR 0x00030
|
||||
#define MALIDP_COEF_TABLE_DATA 0x00034
|
||||
|
||||
/* Scaling engine registers and masks. */
|
||||
#define MALIDP_SE_SCALING_EN (1 << 0)
|
||||
#define MALIDP_SE_ALPHA_EN (1 << 1)
|
||||
#define MALIDP_SE_RGBO_IF_EN (1 << 4)
|
||||
#define MALIDP550_SE_CTL_SEL_MASK 7
|
||||
#define MALIDP550_SE_CTL_VCSEL(x) \
|
||||
(((x) & MALIDP550_SE_CTL_SEL_MASK) << 20)
|
||||
#define MALIDP550_SE_CTL_HCSEL(x) \
|
||||
(((x) & MALIDP550_SE_CTL_SEL_MASK) << 16)
|
||||
|
||||
/* Blocks with offsets from SE_CONTROL register. */
|
||||
#define MALIDP_SE_LAYER_CONTROL 0x14
|
||||
#define MALIDP_SE_L0_IN_SIZE 0x00
|
||||
#define MALIDP_SE_L0_OUT_SIZE 0x04
|
||||
#define MALIDP_SE_SET_V_SIZE(x) (((x) & 0x1fff) << 16)
|
||||
#define MALIDP_SE_SET_H_SIZE(x) (((x) & 0x1fff) << 0)
|
||||
#define MALIDP_SE_SCALING_CONTROL 0x24
|
||||
#define MALIDP_SE_H_INIT_PH 0x00
|
||||
#define MALIDP_SE_H_DELTA_PH 0x04
|
||||
#define MALIDP_SE_V_INIT_PH 0x08
|
||||
#define MALIDP_SE_V_DELTA_PH 0x0c
|
||||
#define MALIDP_SE_COEFFTAB_ADDR 0x10
|
||||
#define MALIDP_SE_COEFFTAB_ADDR_MASK 0x7f
|
||||
#define MALIDP_SE_V_COEFFTAB (1 << 8)
|
||||
#define MALIDP_SE_H_COEFFTAB (1 << 9)
|
||||
#define MALIDP_SE_SET_V_COEFFTAB_ADDR(x) \
|
||||
(MALIDP_SE_V_COEFFTAB | ((x) & MALIDP_SE_COEFFTAB_ADDR_MASK))
|
||||
#define MALIDP_SE_SET_H_COEFFTAB_ADDR(x) \
|
||||
(MALIDP_SE_H_COEFFTAB | ((x) & MALIDP_SE_COEFFTAB_ADDR_MASK))
|
||||
#define MALIDP_SE_COEFFTAB_DATA 0x14
|
||||
#define MALIDP_SE_COEFFTAB_DATA_MASK 0x3fff
|
||||
#define MALIDP_SE_SET_COEFFTAB_DATA(x) \
|
||||
((x) & MALIDP_SE_COEFFTAB_DATA_MASK)
|
||||
|
||||
/* register offsets and bits specific to DP500 */
|
||||
#define MALIDP500_ADDR_SPACE_SIZE 0x01000
|
||||
#define MALIDP500_DC_BASE 0x00000
|
||||
|
@ -146,6 +180,7 @@
|
|||
#define MALIDP500_DE_LG2_BASE 0x00300
|
||||
#define MALIDP500_DE_LG2_PTR_BASE 0x0031c
|
||||
#define MALIDP500_SE_BASE 0x00c00
|
||||
#define MALIDP500_SE_CONTROL 0x00c0c
|
||||
#define MALIDP500_SE_PTR_BASE 0x00e0c
|
||||
#define MALIDP500_DC_IRQ_BASE 0x00f00
|
||||
#define MALIDP500_CONFIG_VALID 0x00f00
|
||||
|
@ -175,6 +210,7 @@
|
|||
#define MALIDP550_DE_LS_PTR_BASE 0x0042c
|
||||
#define MALIDP550_DE_PERF_BASE 0x00500
|
||||
#define MALIDP550_SE_BASE 0x08000
|
||||
#define MALIDP550_SE_CONTROL 0x08010
|
||||
#define MALIDP550_DC_BASE 0x0c000
|
||||
#define MALIDP550_DC_CONTROL 0x0c010
|
||||
#define MALIDP550_DC_CONFIG_REQ (1 << 16)
|
||||
|
|
Loading…
Reference in a new issue