diff options
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c | 419 |
1 files changed, 0 insertions, 419 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c deleted file mode 100644 index a20e3d644523..000000000000 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c +++ /dev/null @@ -1,419 +0,0 @@ -/* - * Copyright (C) 2013 Red Hat - * Author: Rob Clark <robdclark@gmail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "mdp4_kms.h" - -#define DOWN_SCALE_MAX 8 -#define UP_SCALE_MAX 8 - -struct mdp4_plane { - struct drm_plane base; - const char *name; - - enum mdp4_pipe pipe; - - uint32_t caps; - uint32_t nformats; - uint32_t formats[32]; - - bool enabled; -}; -#define to_mdp4_plane(x) container_of(x, struct mdp4_plane, base) - -/* MDP format helper functions */ -static inline -enum mdp4_frame_format mdp4_get_frame_format(struct drm_framebuffer *fb) -{ - bool is_tile = false; - - if (fb->modifier == DRM_FORMAT_MOD_SAMSUNG_64_32_TILE) - is_tile = true; - - if (fb->format->format == DRM_FORMAT_NV12 && is_tile) - return FRAME_TILE_YCBCR_420; - - return FRAME_LINEAR; -} - -static void mdp4_plane_set_scanout(struct drm_plane *plane, - struct drm_framebuffer *fb); -static int mdp4_plane_mode_set(struct drm_plane *plane, - struct drm_crtc *crtc, struct drm_framebuffer *fb, - int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h); - -static struct mdp4_kms *get_kms(struct drm_plane *plane) -{ - struct msm_drm_private *priv = plane->dev->dev_private; - return to_mdp4_kms(to_mdp_kms(priv->kms)); -} - -static void mdp4_plane_destroy(struct drm_plane *plane) -{ - struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); - - drm_plane_helper_disable(plane); - drm_plane_cleanup(plane); - - kfree(mdp4_plane); -} - -/* helper to install properties which are common to planes and crtcs */ -static void mdp4_plane_install_properties(struct drm_plane *plane, - struct drm_mode_object *obj) -{ - // XXX -} - -static int mdp4_plane_set_property(struct drm_plane *plane, - struct drm_property *property, uint64_t val) -{ - // XXX - return -EINVAL; -} - -static const struct drm_plane_funcs mdp4_plane_funcs = { - .update_plane = drm_atomic_helper_update_plane, - .disable_plane = drm_atomic_helper_disable_plane, - .destroy = mdp4_plane_destroy, - .set_property = mdp4_plane_set_property, - .reset = drm_atomic_helper_plane_reset, - .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, -}; - -static int mdp4_plane_prepare_fb(struct drm_plane *plane, - struct drm_plane_state *new_state) -{ - struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); - struct mdp4_kms *mdp4_kms = get_kms(plane); - struct msm_kms *kms = &mdp4_kms->base.base; - struct drm_framebuffer *fb = new_state->fb; - - if (!fb) - return 0; - - DBG("%s: prepare: FB[%u]", mdp4_plane->name, fb->base.id); - return msm_framebuffer_prepare(fb, kms->aspace); -} - -static void mdp4_plane_cleanup_fb(struct drm_plane *plane, - struct drm_plane_state *old_state) -{ - struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); - struct mdp4_kms *mdp4_kms = get_kms(plane); - struct msm_kms *kms = &mdp4_kms->base.base; - struct drm_framebuffer *fb = old_state->fb; - - if (!fb) - return; - - DBG("%s: cleanup: FB[%u]", mdp4_plane->name, fb->base.id); - msm_framebuffer_cleanup(fb, kms->aspace); -} - - -static int mdp4_plane_atomic_check(struct drm_plane *plane, - struct drm_plane_state *state) -{ - return 0; -} - -static void mdp4_plane_atomic_update(struct drm_plane *plane, - struct drm_plane_state *old_state) -{ - struct drm_plane_state *state = plane->state; - int ret; - - ret = mdp4_plane_mode_set(plane, - state->crtc, state->fb, - state->crtc_x, state->crtc_y, - state->crtc_w, state->crtc_h, - state->src_x, state->src_y, - state->src_w, state->src_h); - /* atomic_check should have ensured that this doesn't fail */ - WARN_ON(ret < 0); -} - -static const struct drm_plane_helper_funcs mdp4_plane_helper_funcs = { - .prepare_fb = mdp4_plane_prepare_fb, - .cleanup_fb = mdp4_plane_cleanup_fb, - .atomic_check = mdp4_plane_atomic_check, - .atomic_update = mdp4_plane_atomic_update, -}; - -static void mdp4_plane_set_scanout(struct drm_plane *plane, - struct drm_framebuffer *fb) -{ - struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); - struct mdp4_kms *mdp4_kms = get_kms(plane); - struct msm_kms *kms = &mdp4_kms->base.base; - enum mdp4_pipe pipe = mdp4_plane->pipe; - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_STRIDE_A(pipe), - MDP4_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) | - MDP4_PIPE_SRC_STRIDE_A_P1(fb->pitches[1])); - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_STRIDE_B(pipe), - MDP4_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) | - MDP4_PIPE_SRC_STRIDE_B_P3(fb->pitches[3])); - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP0_BASE(pipe), - msm_framebuffer_iova(fb, kms->aspace, 0)); - mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP1_BASE(pipe), - msm_framebuffer_iova(fb, kms->aspace, 1)); - mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP2_BASE(pipe), - msm_framebuffer_iova(fb, kms->aspace, 2)); - mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP3_BASE(pipe), - msm_framebuffer_iova(fb, kms->aspace, 3)); - - plane->fb = fb; -} - -static void mdp4_write_csc_config(struct mdp4_kms *mdp4_kms, - enum mdp4_pipe pipe, struct csc_cfg *csc) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(csc->matrix); i++) { - mdp4_write(mdp4_kms, REG_MDP4_PIPE_CSC_MV(pipe, i), - csc->matrix[i]); - } - - for (i = 0; i < ARRAY_SIZE(csc->post_bias) ; i++) { - mdp4_write(mdp4_kms, REG_MDP4_PIPE_CSC_PRE_BV(pipe, i), - csc->pre_bias[i]); - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_CSC_POST_BV(pipe, i), - csc->post_bias[i]); - } - - for (i = 0; i < ARRAY_SIZE(csc->post_clamp) ; i++) { - mdp4_write(mdp4_kms, REG_MDP4_PIPE_CSC_PRE_LV(pipe, i), - csc->pre_clamp[i]); - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_CSC_POST_LV(pipe, i), - csc->post_clamp[i]); - } -} - -#define MDP4_VG_PHASE_STEP_DEFAULT 0x20000000 - -static int mdp4_plane_mode_set(struct drm_plane *plane, - struct drm_crtc *crtc, struct drm_framebuffer *fb, - int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h) -{ - struct drm_device *dev = plane->dev; - struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); - struct mdp4_kms *mdp4_kms = get_kms(plane); - enum mdp4_pipe pipe = mdp4_plane->pipe; - const struct mdp_format *format; - uint32_t op_mode = 0; - uint32_t phasex_step = MDP4_VG_PHASE_STEP_DEFAULT; - uint32_t phasey_step = MDP4_VG_PHASE_STEP_DEFAULT; - enum mdp4_frame_format frame_type; - - if (!(crtc && fb)) { - DBG("%s: disabled!", mdp4_plane->name); - return 0; - } - - frame_type = mdp4_get_frame_format(fb); - - /* src values are in Q16 fixed point, convert to integer: */ - src_x = src_x >> 16; - src_y = src_y >> 16; - src_w = src_w >> 16; - src_h = src_h >> 16; - - DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", mdp4_plane->name, - fb->base.id, src_x, src_y, src_w, src_h, - crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h); - - format = to_mdp_format(msm_framebuffer_format(fb)); - - if (src_w > (crtc_w * DOWN_SCALE_MAX)) { - dev_err(dev->dev, "Width down scaling exceeds limits!\n"); - return -ERANGE; - } - - if (src_h > (crtc_h * DOWN_SCALE_MAX)) { - dev_err(dev->dev, "Height down scaling exceeds limits!\n"); - return -ERANGE; - } - - if (crtc_w > (src_w * UP_SCALE_MAX)) { - dev_err(dev->dev, "Width up scaling exceeds limits!\n"); - return -ERANGE; - } - - if (crtc_h > (src_h * UP_SCALE_MAX)) { - dev_err(dev->dev, "Height up scaling exceeds limits!\n"); - return -ERANGE; - } - - if (src_w != crtc_w) { - uint32_t sel_unit = SCALE_FIR; - op_mode |= MDP4_PIPE_OP_MODE_SCALEX_EN; - - if (MDP_FORMAT_IS_YUV(format)) { - if (crtc_w > src_w) - sel_unit = SCALE_PIXEL_RPT; - else if (crtc_w <= (src_w / 4)) - sel_unit = SCALE_MN_PHASE; - - op_mode |= MDP4_PIPE_OP_MODE_SCALEX_UNIT_SEL(sel_unit); - phasex_step = mult_frac(MDP4_VG_PHASE_STEP_DEFAULT, - src_w, crtc_w); - } - } - - if (src_h != crtc_h) { - uint32_t sel_unit = SCALE_FIR; - op_mode |= MDP4_PIPE_OP_MODE_SCALEY_EN; - - if (MDP_FORMAT_IS_YUV(format)) { - - if (crtc_h > src_h) - sel_unit = SCALE_PIXEL_RPT; - else if (crtc_h <= (src_h / 4)) - sel_unit = SCALE_MN_PHASE; - - op_mode |= MDP4_PIPE_OP_MODE_SCALEY_UNIT_SEL(sel_unit); - phasey_step = mult_frac(MDP4_VG_PHASE_STEP_DEFAULT, - src_h, crtc_h); - } - } - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_SIZE(pipe), - MDP4_PIPE_SRC_SIZE_WIDTH(src_w) | - MDP4_PIPE_SRC_SIZE_HEIGHT(src_h)); - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_XY(pipe), - MDP4_PIPE_SRC_XY_X(src_x) | - MDP4_PIPE_SRC_XY_Y(src_y)); - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_SIZE(pipe), - MDP4_PIPE_DST_SIZE_WIDTH(crtc_w) | - MDP4_PIPE_DST_SIZE_HEIGHT(crtc_h)); - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_XY(pipe), - MDP4_PIPE_DST_XY_X(crtc_x) | - MDP4_PIPE_DST_XY_Y(crtc_y)); - - mdp4_plane_set_scanout(plane, fb); - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_FORMAT(pipe), - MDP4_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) | - MDP4_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) | - MDP4_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) | - MDP4_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) | - COND(format->alpha_enable, MDP4_PIPE_SRC_FORMAT_ALPHA_ENABLE) | - MDP4_PIPE_SRC_FORMAT_CPP(format->cpp - 1) | - MDP4_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) | - MDP4_PIPE_SRC_FORMAT_FETCH_PLANES(format->fetch_type) | - MDP4_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample) | - MDP4_PIPE_SRC_FORMAT_FRAME_FORMAT(frame_type) | - COND(format->unpack_tight, MDP4_PIPE_SRC_FORMAT_UNPACK_TIGHT)); - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_UNPACK(pipe), - MDP4_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) | - MDP4_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) | - MDP4_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) | - MDP4_PIPE_SRC_UNPACK_ELEM3(format->unpack[3])); - - if (MDP_FORMAT_IS_YUV(format)) { - struct csc_cfg *csc = mdp_get_default_csc_cfg(CSC_YUV2RGB); - - op_mode |= MDP4_PIPE_OP_MODE_SRC_YCBCR; - op_mode |= MDP4_PIPE_OP_MODE_CSC_EN; - mdp4_write_csc_config(mdp4_kms, pipe, csc); - } - - mdp4_write(mdp4_kms, REG_MDP4_PIPE_OP_MODE(pipe), op_mode); - mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEX_STEP(pipe), phasex_step); - mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEY_STEP(pipe), phasey_step); - - if (frame_type != FRAME_LINEAR) - mdp4_write(mdp4_kms, REG_MDP4_PIPE_SSTILE_FRAME_SIZE(pipe), - MDP4_PIPE_SSTILE_FRAME_SIZE_WIDTH(src_w) | - MDP4_PIPE_SSTILE_FRAME_SIZE_HEIGHT(src_h)); - - return 0; -} - -static const char *pipe_names[] = { - "VG1", "VG2", - "RGB1", "RGB2", "RGB3", - "VG3", "VG4", -}; - -enum mdp4_pipe mdp4_plane_pipe(struct drm_plane *plane) -{ - struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); - return mdp4_plane->pipe; -} - -/* initialize plane */ -struct drm_plane *mdp4_plane_init(struct drm_device *dev, - enum mdp4_pipe pipe_id, bool private_plane) -{ - struct drm_plane *plane = NULL; - struct mdp4_plane *mdp4_plane; - int ret; - enum drm_plane_type type; - - mdp4_plane = kzalloc(sizeof(*mdp4_plane), GFP_KERNEL); - if (!mdp4_plane) { - ret = -ENOMEM; - goto fail; - } - - plane = &mdp4_plane->base; - - mdp4_plane->pipe = pipe_id; - mdp4_plane->name = pipe_names[pipe_id]; - mdp4_plane->caps = mdp4_pipe_caps(pipe_id); - - mdp4_plane->nformats = mdp_get_formats(mdp4_plane->formats, - ARRAY_SIZE(mdp4_plane->formats), - !pipe_supports_yuv(mdp4_plane->caps)); - - type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; - ret = drm_universal_plane_init(dev, plane, 0xff, &mdp4_plane_funcs, - mdp4_plane->formats, mdp4_plane->nformats, - type, NULL); - if (ret) - goto fail; - - drm_plane_helper_add(plane, &mdp4_plane_helper_funcs); - - mdp4_plane_install_properties(plane, &plane->base); - - return plane; - -fail: - if (plane) - mdp4_plane_destroy(plane); - - return ERR_PTR(ret); -} |
