1 // SPDX-License-Identifier: GPL-2.0-only 2 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. 3 */ 4 5 #include <linux/iopoll.h> 6 7 #include "dpu_hw_mdss.h" 8 #include "dpu_hwio.h" 9 #include "dpu_hw_catalog.h" 10 #include "dpu_hw_merge3d.h" 11 #include "dpu_kms.h" 12 #include "dpu_trace.h" 13 14 #define MERGE_3D_MUX 0x000 15 #define MERGE_3D_MODE 0x004 16 17 static void dpu_hw_merge_3d_setup_3d_mode(struct dpu_hw_merge_3d *merge_3d, 18 enum dpu_3d_blend_mode mode_3d) 19 { 20 struct dpu_hw_blk_reg_map *c; 21 u32 data; 22 23 24 c = &merge_3d->hw; 25 if (mode_3d == BLEND_3D_NONE) { 26 DPU_REG_WRITE(c, MERGE_3D_MODE, 0); 27 DPU_REG_WRITE(c, MERGE_3D_MUX, 0); 28 } else { 29 data = BIT(0) | ((mode_3d - 1) << 1); 30 DPU_REG_WRITE(c, MERGE_3D_MODE, data); 31 } 32 } 33 34 static void _setup_merge_3d_ops(struct dpu_hw_merge_3d *c, 35 unsigned long features) 36 { 37 c->ops.setup_3d_mode = dpu_hw_merge_3d_setup_3d_mode; 38 }; 39 40 struct dpu_hw_merge_3d *dpu_hw_merge_3d_init(const struct dpu_merge_3d_cfg *cfg, 41 void __iomem *addr) 42 { 43 struct dpu_hw_merge_3d *c; 44 45 c = kzalloc(sizeof(*c), GFP_KERNEL); 46 if (!c) 47 return ERR_PTR(-ENOMEM); 48 49 c->hw.blk_addr = addr + cfg->base; 50 c->hw.log_mask = DPU_DBG_MASK_PINGPONG; 51 52 c->idx = cfg->id; 53 c->caps = cfg; 54 _setup_merge_3d_ops(c, c->caps->features); 55 56 return c; 57 } 58 59 void dpu_hw_merge_3d_destroy(struct dpu_hw_merge_3d *hw) 60 { 61 kfree(hw); 62 } 63