// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2016 BayLibre, SAS * Author: Neil Armstrong * Copyright (C) 2015 Amlogic, Inc. All rights reserved. * Copyright (C) 2014 Endless Mobile * * Written by: * Jasper St. Pierre */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "meson_plane.h" #include "meson_vpp.h" #include "meson_viu.h" #include "meson_registers.h" /* OSD_SCI_WH_M1 */ #define SCI_WH_M1_W(w) FIELD_PREP(GENMASK(28, 16), w) #define SCI_WH_M1_H(h) FIELD_PREP(GENMASK(12, 0), h) /* OSD_SCO_H_START_END */ /* OSD_SCO_V_START_END */ #define SCO_HV_START(start) FIELD_PREP(GENMASK(27, 16), start) #define SCO_HV_END(end) FIELD_PREP(GENMASK(11, 0), end) /* OSD_SC_CTRL0 */ #define SC_CTRL0_PATH_EN BIT(3) #define SC_CTRL0_SEL_OSD1 BIT(2) /* OSD_VSC_CTRL0 */ #define VSC_BANK_LEN(value) FIELD_PREP(GENMASK(2, 0), value) #define VSC_TOP_INI_RCV_NUM(value) FIELD_PREP(GENMASK(6, 3), value) #define VSC_TOP_RPT_L0_NUM(value) FIELD_PREP(GENMASK(9, 8), value) #define VSC_BOT_INI_RCV_NUM(value) FIELD_PREP(GENMASK(14, 11), value) #define VSC_BOT_RPT_L0_NUM(value) FIELD_PREP(GENMASK(17, 16), value) #define VSC_PROG_INTERLACE BIT(23) #define VSC_VERTICAL_SCALER_EN BIT(24) /* OSD_VSC_INI_PHASE */ #define VSC_INI_PHASE_BOT(bottom) FIELD_PREP(GENMASK(31, 16), bottom) #define VSC_INI_PHASE_TOP(top) FIELD_PREP(GENMASK(15, 0), top) /* OSD_HSC_CTRL0 */ #define HSC_BANK_LENGTH(value) FIELD_PREP(GENMASK(2, 0), value) #define HSC_INI_RCV_NUM0(value) FIELD_PREP(GENMASK(6, 3), value) #define HSC_RPT_P0_NUM0(value) FIELD_PREP(GENMASK(9, 8), value) #define HSC_HORIZ_SCALER_EN BIT(22) /* VPP_OSD_VSC_PHASE_STEP */ /* VPP_OSD_HSC_PHASE_STEP */ #define SC_PHASE_STEP(value) FIELD_PREP(GENMASK(27, 0), value) struct meson_plane { struct drm_plane base; struct meson_drm *priv; bool enabled; }; #define to_meson_plane(x) container_of(x, struct meson_plane, base) #define FRAC_16_16(mult, div) (((mult) << 16) / (div)) static int meson_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { struct drm_crtc_state *crtc_state; if (!state->crtc) return 0; crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc); if (IS_ERR(crtc_state)) return PTR_ERR(crtc_state); /* * Only allow : * - Upscaling up to 5x, vertical and horizontal * - Final coordinates must match crtc size */ return drm_atomic_helper_check_plane_state(state, crtc_state, FRAC_16_16(1, 5), DRM_PLANE_HELPER_NO_SCALING, false, true); } /* Takes a fixed 16.16 number and converts it to integer. */ static inline int64_t fixed16_to_int(int64_t value) { return value >> 16; } static void meson_plane_atomic_update(struct drm_plane *plane, struct drm_plane_state *old_state) { struct meson_plane *meson_plane = to_meson_plane(plane); struct drm_plane_state *state = plane->state; struct drm_rect dest = drm_plane_state_dest(state); struct meson_drm *priv = meson_plane->priv; struct drm_framebuffer *fb = state->fb; struct drm_gem_cma_object *gem; unsigned long flags; int vsc_ini_rcv_num, vsc_ini_rpt_p0_num; int vsc_bot_rcv_num, vsc_bot_rpt_p0_num; int hsc_ini_rcv_num, hsc_ini_rpt_p0_num; int hf_phase_step, vf_phase_step; int src_w, src_h, dst_w, dst_h; int bot_ini_phase; int hf_bank_len; int vf_bank_len; u8 canvas_id_osd1; /* * Update Coordinates * Update Formats * Update Buffer * Enable Plane */ spin_lock_irqsave(&priv->drm->event_lock, flags); /* Enable OSD and BLK0, set max global alpha */ priv->viu.osd1_ctrl_stat = OSD_ENABLE | (0xFF << OSD_GLOBAL_ALPHA_SHIFT) | OSD_BLK0_ENABLE; canvas_id_osd1 = priv->canvas_id_osd1; /* Set up BLK0 to point to the right canvas */ priv->viu.osd1_blk0_cfg[0] = ((canvas_id_osd1 << OSD_CANVAS_SEL) | OSD_ENDIANNESS_LE); /* On GXBB, Use the old non-HDR RGB2YUV converter */ if (meson_vpu_is_compatible(priv, "amlogic,meson-gxbb-vpu")) priv->viu.osd1_blk0_cfg[0] |= OSD_OUTPUT_COLOR_RGB; switch (fb->format->format) { case DRM_FORMAT_XRGB8888: /* For XRGB, replace the pixel's alpha by 0xFF */ writel_bits_relaxed(OSD_REPLACE_EN, OSD_REPLACE_EN, priv->io_base + _REG(VIU_OSD1_CTRL_STAT2)); priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 | OSD_COLOR_MATRIX_32_ARGB; break; case DRM_FORMAT_ARGB8888: /* For ARGB, use the pixel's alpha */ writel_bits_relaxed(OSD_REPLACE_EN, 0, priv->io_base + _REG(VIU_OSD1_CTRL_STAT2)); priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 | OSD_COLOR_MATRIX_32_ARGB; break; case DRM_FORMAT_RGB888: priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_24 | OSD_COLOR_MATRIX_24_RGB; break; case DRM_FORMAT_RGB565: priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_16 | OSD_COLOR_MATRIX_16_RGB565; break; }; /* Default scaler parameters */ vsc_bot_rcv_num = 0; vsc_bot_rpt_p0_num = 0; hf_bank_len = 4; vf_bank_len = 4; if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) { vsc_bot_rcv_num = 6; vsc_bot_rpt_p0_num = 2; } hsc_ini_rcv_num = hf_bank_len; vsc_ini_rcv_num = vf_bank_len; hsc_ini_rpt_p0_num = (hf_bank_len / 2) - 1; vsc_ini_rpt_p0_num = (vf_bank_len / 2) - 1; src_w = fixed16_to_int(state->src_w); src_h = fixed16_to_int(state->src_h); dst_w = state->crtc_w; dst_h = state->crtc_h; /* * When the output is interlaced, the OSD must switch between * each field using the INTERLACE_SEL_ODD (0) of VIU_OSD1_BLK0_CFG_W0 * at each vsync. * But the vertical scaler can provide such funtionnality if * is configured for 2:1 scaling with interlace options enabled. */ if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) { dest.y1 /= 2; dest.y2 /= 2; dst_h /= 2; } hf_phase_step = ((src_w << 18) / dst_w) << 6; vf_phase_step = (src_h << 20) / dst_h; if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) bot_ini_phase = ((vf_phase_step / 2) >> 4); else bot_ini_phase = 0; vf_phase_step = (vf_phase_step << 4); /* In interlaced mode, scaler is always active */ if (src_h != dst_h || src_w != dst_w) { priv->viu.osd_sc_i_wh_m1 = SCI_WH_M1_W(src_w - 1) | SCI_WH_M1_H(src_h - 1); priv->viu.osd_sc_o_h_start_end = SCO_HV_START(dest.x1) | SCO_HV_END(dest.x2 - 1); priv->viu.osd_sc_o_v_start_end = SCO_HV_START(dest.y1) | SCO_HV_END(dest.y2 - 1); /* Enable OSD Scaler */ priv->viu.osd_sc_ctrl0 = SC_CTRL0_PATH_EN | SC_CTRL0_SEL_OSD1; } else { priv->viu.osd_sc_i_wh_m1 = 0; priv->viu.osd_sc_o_h_start_end = 0; priv->viu.osd_sc_o_v_start_end = 0; priv->viu.osd_sc_ctrl0 = 0; } /* In interlaced mode, vertical scaler is always active */ if (src_h != dst_h) { priv->viu.osd_sc_v_ctrl0 = VSC_BANK_LEN(vf_bank_len) | VSC_TOP_INI_RCV_NUM(vsc_ini_rcv_num) | VSC_TOP_RPT_L0_NUM(vsc_ini_rpt_p0_num) | VSC_VERTICAL_SCALER_EN; if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) priv->viu.osd_sc_v_ctrl0 |= VSC_BOT_INI_RCV_NUM(vsc_bot_rcv_num) | VSC_BOT_RPT_L0_NUM(vsc_bot_rpt_p0_num) | VSC_PROG_INTERLACE; priv->viu.osd_sc_v_phase_step = SC_PHASE_STEP(vf_phase_step); priv->viu.osd_sc_v_ini_phase = VSC_INI_PHASE_BOT(bot_ini_phase); } else { priv->viu.osd_sc_v_ctrl0 = 0; priv->viu.osd_sc_v_phase_step = 0; priv->viu.osd_sc_v_ini_phase = 0; } /* Horizontal scaler is only used if width does not match */ if (src_w != dst_w) { priv->viu.osd_sc_h_ctrl0 = HSC_BANK_LENGTH(hf_bank_len) | HSC_INI_RCV_NUM0(hsc_ini_rcv_num) | HSC_RPT_P0_NUM0(hsc_ini_rpt_p0_num) | HSC_HORIZ_SCALER_EN; priv->viu.osd_sc_h_phase_step = SC_PHASE_STEP(hf_phase_step); priv->viu.osd_sc_h_ini_phase = 0; } else { priv->viu.osd_sc_h_ctrl0 = 0; priv->viu.osd_sc_h_phase_step = 0; priv->viu.osd_sc_h_ini_phase = 0; } /* * The format of these registers is (x2 << 16 | x1), * where x2 is exclusive. * e.g. +30x1920 would be (1919 << 16) | 30 */ priv->viu.osd1_blk0_cfg[1] = ((fixed16_to_int(state->src.x2) - 1) << 16) | fixed16_to_int(state->src.x1); priv->viu.osd1_blk0_cfg[2] = ((fixed16_to_int(state->src.y2) - 1) << 16) | fixed16_to_int(state->src.y1); priv->viu.osd1_blk0_cfg[3] = ((dest.x2 - 1) << 16) | dest.x1; priv->viu.osd1_blk0_cfg[4] = ((dest.y2 - 1) << 16) | dest.y1; if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu")) { priv->viu.osd_blend_din0_scope_h = ((dest.x2 - 1) << 16) | dest.x1; priv->viu.osd_blend_din0_scope_v = ((dest.y2 - 1) << 16) | dest.y1; priv->viu.osb_blend0_size = dst_h << 16 | dst_w; priv->viu.osb_blend1_size = dst_h << 16 | dst_w; } /* Update Canvas with buffer address */ gem = drm_fb_cma_get_gem_obj(fb, 0); priv->viu.osd1_addr = gem->paddr; priv->viu.osd1_stride = fb->pitches[0]; priv->viu.osd1_height = fb->height; if (!meson_plane->enabled) { /* Reset OSD1 before enabling it on GXL+ SoCs */ if (meson_vpu_is_compatible(priv, "amlogic,meson-gxm-vpu") || meson_vpu_is_compatible(priv, "amlogic,meson-gxl-vpu")) meson_viu_osd1_reset(priv); meson_plane->enabled = true; } spin_unlock_irqrestore(&priv->drm->event_lock, flags); } static void meson_plane_atomic_disable(struct drm_plane *plane, struct drm_plane_state *old_state) { struct meson_plane *meson_plane = to_meson_plane(plane); struct meson_drm *priv = meson_plane->priv; /* Disable OSD1 */ if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu")) writel_bits_relaxed(BIT(0) | BIT(21), 0, priv->io_base + _REG(VIU_OSD1_CTRL_STAT)); else writel_bits_relaxed(VPP_OSD1_POSTBLEND, 0, priv->io_base + _REG(VPP_MISC)); meson_plane->enabled = false; } static const struct drm_plane_helper_funcs meson_plane_helper_funcs = { .atomic_check = meson_plane_atomic_check, .atomic_disable = meson_plane_atomic_disable, .atomic_update = meson_plane_atomic_update, .prepare_fb = drm_gem_fb_prepare_fb, }; static const struct drm_plane_funcs meson_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = drm_plane_cleanup, .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 const uint32_t supported_drm_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888, DRM_FORMAT_RGB888, DRM_FORMAT_RGB565, }; int meson_plane_create(struct meson_drm *priv) { struct meson_plane *meson_plane; struct drm_plane *plane; meson_plane = devm_kzalloc(priv->drm->dev, sizeof(*meson_plane), GFP_KERNEL); if (!meson_plane) return -ENOMEM; meson_plane->priv = priv; plane = &meson_plane->base; drm_universal_plane_init(priv->drm, plane, 0xFF, &meson_plane_funcs, supported_drm_formats, ARRAY_SIZE(supported_drm_formats), NULL, DRM_PLANE_TYPE_PRIMARY, "meson_primary_plane"); drm_plane_helper_add(plane, &meson_plane_helper_funcs); priv->primary_plane = plane; return 0; }