751 lines
22 KiB
C
751 lines
22 KiB
C
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/* drivers/video/msm/mdp_ppp.c
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*
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* Copyright (C) 2007 QUALCOMM Incorporated
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* Copyright (C) 2007 Google Incorporated
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/fb.h>
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#include <linux/file.h>
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#include <linux/delay.h>
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#include <linux/msm_mdp.h>
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#include <linux/android_pmem.h>
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#include <mach/msm_fb.h>
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#include "mdp_hw.h"
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#include "mdp_scale_tables.h"
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#define DLOG(x...) do {} while (0)
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#define MDP_DOWNSCALE_BLUR (MDP_DOWNSCALE_MAX + 1)
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static int downscale_y_table = MDP_DOWNSCALE_MAX;
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static int downscale_x_table = MDP_DOWNSCALE_MAX;
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struct mdp_regs {
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uint32_t src0;
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uint32_t src1;
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uint32_t dst0;
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uint32_t dst1;
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uint32_t src_cfg;
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uint32_t dst_cfg;
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uint32_t src_pack;
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uint32_t dst_pack;
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uint32_t src_rect;
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uint32_t dst_rect;
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uint32_t src_ystride;
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uint32_t dst_ystride;
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uint32_t op;
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uint32_t src_bpp;
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uint32_t dst_bpp;
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uint32_t edge;
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uint32_t phasex_init;
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uint32_t phasey_init;
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uint32_t phasex_step;
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uint32_t phasey_step;
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};
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static uint32_t pack_pattern[] = {
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PPP_ARRAY0(PACK_PATTERN)
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};
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static uint32_t src_img_cfg[] = {
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PPP_ARRAY1(CFG, SRC)
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};
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static uint32_t dst_img_cfg[] = {
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PPP_ARRAY1(CFG, DST)
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};
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static uint32_t bytes_per_pixel[] = {
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[MDP_RGB_565] = 2,
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[MDP_RGB_888] = 3,
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[MDP_XRGB_8888] = 4,
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[MDP_ARGB_8888] = 4,
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[MDP_RGBA_8888] = 4,
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[MDP_BGRA_8888] = 4,
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[MDP_Y_CBCR_H2V1] = 1,
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[MDP_Y_CBCR_H2V2] = 1,
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[MDP_Y_CRCB_H2V1] = 1,
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[MDP_Y_CRCB_H2V2] = 1,
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[MDP_YCRYCB_H2V1] = 2
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};
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static uint32_t dst_op_chroma[] = {
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PPP_ARRAY1(CHROMA_SAMP, DST)
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};
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static uint32_t src_op_chroma[] = {
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PPP_ARRAY1(CHROMA_SAMP, SRC)
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};
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static uint32_t bg_op_chroma[] = {
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PPP_ARRAY1(CHROMA_SAMP, BG)
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};
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static void rotate_dst_addr_x(struct mdp_blit_req *req, struct mdp_regs *regs)
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{
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regs->dst0 += (req->dst_rect.w -
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min((uint32_t)16, req->dst_rect.w)) * regs->dst_bpp;
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regs->dst1 += (req->dst_rect.w -
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min((uint32_t)16, req->dst_rect.w)) * regs->dst_bpp;
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}
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static void rotate_dst_addr_y(struct mdp_blit_req *req, struct mdp_regs *regs)
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{
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regs->dst0 += (req->dst_rect.h -
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min((uint32_t)16, req->dst_rect.h)) *
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regs->dst_ystride;
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regs->dst1 += (req->dst_rect.h -
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min((uint32_t)16, req->dst_rect.h)) *
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regs->dst_ystride;
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}
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static void blit_rotate(struct mdp_blit_req *req,
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struct mdp_regs *regs)
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{
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if (req->flags == MDP_ROT_NOP)
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return;
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regs->op |= PPP_OP_ROT_ON;
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if ((req->flags & MDP_ROT_90 || req->flags & MDP_FLIP_LR) &&
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!(req->flags & MDP_ROT_90 && req->flags & MDP_FLIP_LR))
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rotate_dst_addr_x(req, regs);
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if (req->flags & MDP_ROT_90)
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regs->op |= PPP_OP_ROT_90;
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if (req->flags & MDP_FLIP_UD) {
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regs->op |= PPP_OP_FLIP_UD;
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rotate_dst_addr_y(req, regs);
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}
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if (req->flags & MDP_FLIP_LR)
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regs->op |= PPP_OP_FLIP_LR;
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}
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static void blit_convert(struct mdp_blit_req *req, struct mdp_regs *regs)
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{
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if (req->src.format == req->dst.format)
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return;
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if (IS_RGB(req->src.format) && IS_YCRCB(req->dst.format)) {
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regs->op |= PPP_OP_CONVERT_RGB2YCBCR | PPP_OP_CONVERT_ON;
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} else if (IS_YCRCB(req->src.format) && IS_RGB(req->dst.format)) {
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regs->op |= PPP_OP_CONVERT_YCBCR2RGB | PPP_OP_CONVERT_ON;
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if (req->dst.format == MDP_RGB_565)
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regs->op |= PPP_OP_CONVERT_MATRIX_SECONDARY;
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}
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}
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#define GET_BIT_RANGE(value, high, low) \
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(((1 << (high - low + 1)) - 1) & (value >> low))
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static uint32_t transp_convert(struct mdp_blit_req *req)
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{
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uint32_t transp = 0;
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if (req->src.format == MDP_RGB_565) {
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/* pad each value to 8 bits by copying the high bits into the
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* low end, convert RGB to RBG by switching low 2 components */
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transp |= ((GET_BIT_RANGE(req->transp_mask, 15, 11) << 3) |
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(GET_BIT_RANGE(req->transp_mask, 15, 13))) << 16;
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transp |= ((GET_BIT_RANGE(req->transp_mask, 4, 0) << 3) |
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(GET_BIT_RANGE(req->transp_mask, 4, 2))) << 8;
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transp |= (GET_BIT_RANGE(req->transp_mask, 10, 5) << 2) |
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(GET_BIT_RANGE(req->transp_mask, 10, 9));
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} else {
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/* convert RGB to RBG */
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transp |= (GET_BIT_RANGE(req->transp_mask, 15, 8)) |
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(GET_BIT_RANGE(req->transp_mask, 23, 16) << 16) |
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(GET_BIT_RANGE(req->transp_mask, 7, 0) << 8);
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}
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return transp;
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}
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#undef GET_BIT_RANGE
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static void blit_blend(struct mdp_blit_req *req, struct mdp_regs *regs)
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{
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/* TRANSP BLEND */
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if (req->transp_mask != MDP_TRANSP_NOP) {
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req->transp_mask = transp_convert(req);
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if (req->alpha != MDP_ALPHA_NOP) {
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/* use blended transparancy mode
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* pixel = (src == transp) ? dst : blend
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* blend is combo of blend_eq_sel and
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* blend_alpha_sel */
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regs->op |= PPP_OP_ROT_ON | PPP_OP_BLEND_ON |
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PPP_OP_BLEND_ALPHA_BLEND_NORMAL |
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PPP_OP_BLEND_CONSTANT_ALPHA |
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PPP_BLEND_ALPHA_TRANSP;
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} else {
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/* simple transparancy mode
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* pixel = (src == transp) ? dst : src */
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regs->op |= PPP_OP_ROT_ON | PPP_OP_BLEND_ON |
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PPP_OP_BLEND_SRCPIXEL_TRANSP;
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}
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}
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req->alpha &= 0xff;
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/* ALPHA BLEND */
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if (HAS_ALPHA(req->src.format)) {
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regs->op |= PPP_OP_ROT_ON | PPP_OP_BLEND_ON |
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PPP_OP_BLEND_SRCPIXEL_ALPHA;
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} else if (req->alpha < MDP_ALPHA_NOP) {
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/* just blend by alpha */
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regs->op |= PPP_OP_ROT_ON | PPP_OP_BLEND_ON |
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PPP_OP_BLEND_ALPHA_BLEND_NORMAL |
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PPP_OP_BLEND_CONSTANT_ALPHA;
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}
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regs->op |= bg_op_chroma[req->dst.format];
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}
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#define ONE_HALF (1LL << 32)
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#define ONE (1LL << 33)
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#define TWO (2LL << 33)
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#define THREE (3LL << 33)
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#define FRAC_MASK (ONE - 1)
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#define INT_MASK (~FRAC_MASK)
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static int scale_params(uint32_t dim_in, uint32_t dim_out, uint32_t origin,
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uint32_t *phase_init, uint32_t *phase_step)
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{
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/* to improve precicsion calculations are done in U31.33 and converted
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* to U3.29 at the end */
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int64_t k1, k2, k3, k4, tmp;
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uint64_t n, d, os, os_p, od, od_p, oreq;
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unsigned rpa = 0;
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int64_t ip64, delta;
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if (dim_out % 3 == 0)
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rpa = !(dim_in % (dim_out / 3));
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n = ((uint64_t)dim_out) << 34;
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d = dim_in;
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if (!d)
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return -1;
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do_div(n, d);
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k3 = (n + 1) >> 1;
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if ((k3 >> 4) < (1LL << 27) || (k3 >> 4) > (1LL << 31)) {
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DLOG("crap bad scale\n");
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return -1;
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}
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n = ((uint64_t)dim_in) << 34;
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d = (uint64_t)dim_out;
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if (!d)
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return -1;
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do_div(n, d);
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k1 = (n + 1) >> 1;
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k2 = (k1 - ONE) >> 1;
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*phase_init = (int)(k2 >> 4);
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k4 = (k3 - ONE) >> 1;
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if (rpa) {
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os = ((uint64_t)origin << 33) - ONE_HALF;
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tmp = (dim_out * os) + ONE_HALF;
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if (!dim_in)
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return -1;
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do_div(tmp, dim_in);
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od = tmp - ONE_HALF;
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} else {
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os = ((uint64_t)origin << 1) - 1;
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od = (((k3 * os) >> 1) + k4);
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}
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od_p = od & INT_MASK;
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if (od_p != od)
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od_p += ONE;
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if (rpa) {
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tmp = (dim_in * od_p) + ONE_HALF;
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if (!dim_in)
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return -1;
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do_div(tmp, dim_in);
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os_p = tmp - ONE_HALF;
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} else {
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os_p = ((k1 * (od_p >> 33)) + k2);
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}
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oreq = (os_p & INT_MASK) - ONE;
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ip64 = os_p - oreq;
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delta = ((int64_t)(origin) << 33) - oreq;
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ip64 -= delta;
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/* limit to valid range before the left shift */
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delta = (ip64 & (1LL << 63)) ? 4 : -4;
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delta <<= 33;
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while (abs((int)(ip64 >> 33)) > 4)
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ip64 += delta;
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*phase_init = (int)(ip64 >> 4);
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*phase_step = (uint32_t)(k1 >> 4);
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return 0;
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}
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static void load_scale_table(const struct mdp_info *mdp,
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struct mdp_table_entry *table, int len)
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{
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int i;
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for (i = 0; i < len; i++)
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mdp_writel(mdp, table[i].val, table[i].reg);
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}
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enum {
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IMG_LEFT,
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IMG_RIGHT,
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IMG_TOP,
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IMG_BOTTOM,
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};
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static void get_edge_info(uint32_t src, uint32_t src_coord, uint32_t dst,
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uint32_t *interp1, uint32_t *interp2,
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uint32_t *repeat1, uint32_t *repeat2) {
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if (src > 3 * dst) {
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*interp1 = 0;
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*interp2 = src - 1;
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*repeat1 = 0;
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*repeat2 = 0;
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} else if (src == 3 * dst) {
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*interp1 = 0;
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*interp2 = src;
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*repeat1 = 0;
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*repeat2 = 1;
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} else if (src > dst && src < 3 * dst) {
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*interp1 = -1;
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*interp2 = src;
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*repeat1 = 1;
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*repeat2 = 1;
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} else if (src == dst) {
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*interp1 = -1;
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*interp2 = src + 1;
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*repeat1 = 1;
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*repeat2 = 2;
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} else {
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*interp1 = -2;
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*interp2 = src + 1;
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*repeat1 = 2;
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*repeat2 = 2;
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}
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*interp1 += src_coord;
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*interp2 += src_coord;
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}
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static int get_edge_cond(struct mdp_blit_req *req, struct mdp_regs *regs)
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{
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int32_t luma_interp[4];
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int32_t luma_repeat[4];
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int32_t chroma_interp[4];
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int32_t chroma_bound[4];
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int32_t chroma_repeat[4];
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uint32_t dst_w, dst_h;
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memset(&luma_interp, 0, sizeof(int32_t) * 4);
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|
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memset(&luma_repeat, 0, sizeof(int32_t) * 4);
|
||
|
|
memset(&chroma_interp, 0, sizeof(int32_t) * 4);
|
||
|
|
memset(&chroma_bound, 0, sizeof(int32_t) * 4);
|
||
|
|
memset(&chroma_repeat, 0, sizeof(int32_t) * 4);
|
||
|
|
regs->edge = 0;
|
||
|
|
|
||
|
|
if (req->flags & MDP_ROT_90) {
|
||
|
|
dst_w = req->dst_rect.h;
|
||
|
|
dst_h = req->dst_rect.w;
|
||
|
|
} else {
|
||
|
|
dst_w = req->dst_rect.w;
|
||
|
|
dst_h = req->dst_rect.h;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (regs->op & (PPP_OP_SCALE_Y_ON | PPP_OP_SCALE_X_ON)) {
|
||
|
|
get_edge_info(req->src_rect.h, req->src_rect.y, dst_h,
|
||
|
|
&luma_interp[IMG_TOP], &luma_interp[IMG_BOTTOM],
|
||
|
|
&luma_repeat[IMG_TOP], &luma_repeat[IMG_BOTTOM]);
|
||
|
|
get_edge_info(req->src_rect.w, req->src_rect.x, dst_w,
|
||
|
|
&luma_interp[IMG_LEFT], &luma_interp[IMG_RIGHT],
|
||
|
|
&luma_repeat[IMG_LEFT], &luma_repeat[IMG_RIGHT]);
|
||
|
|
} else {
|
||
|
|
luma_interp[IMG_LEFT] = req->src_rect.x;
|
||
|
|
luma_interp[IMG_RIGHT] = req->src_rect.x + req->src_rect.w - 1;
|
||
|
|
luma_interp[IMG_TOP] = req->src_rect.y;
|
||
|
|
luma_interp[IMG_BOTTOM] = req->src_rect.y + req->src_rect.h - 1;
|
||
|
|
luma_repeat[IMG_LEFT] = 0;
|
||
|
|
luma_repeat[IMG_TOP] = 0;
|
||
|
|
luma_repeat[IMG_RIGHT] = 0;
|
||
|
|
luma_repeat[IMG_BOTTOM] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
chroma_interp[IMG_LEFT] = luma_interp[IMG_LEFT];
|
||
|
|
chroma_interp[IMG_RIGHT] = luma_interp[IMG_RIGHT];
|
||
|
|
chroma_interp[IMG_TOP] = luma_interp[IMG_TOP];
|
||
|
|
chroma_interp[IMG_BOTTOM] = luma_interp[IMG_BOTTOM];
|
||
|
|
|
||
|
|
chroma_bound[IMG_LEFT] = req->src_rect.x;
|
||
|
|
chroma_bound[IMG_RIGHT] = req->src_rect.x + req->src_rect.w - 1;
|
||
|
|
chroma_bound[IMG_TOP] = req->src_rect.y;
|
||
|
|
chroma_bound[IMG_BOTTOM] = req->src_rect.y + req->src_rect.h - 1;
|
||
|
|
|
||
|
|
if (IS_YCRCB(req->src.format)) {
|
||
|
|
chroma_interp[IMG_LEFT] = chroma_interp[IMG_LEFT] >> 1;
|
||
|
|
chroma_interp[IMG_RIGHT] = (chroma_interp[IMG_RIGHT] + 1) >> 1;
|
||
|
|
|
||
|
|
chroma_bound[IMG_LEFT] = chroma_bound[IMG_LEFT] >> 1;
|
||
|
|
chroma_bound[IMG_RIGHT] = chroma_bound[IMG_RIGHT] >> 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (req->src.format == MDP_Y_CBCR_H2V2 ||
|
||
|
|
req->src.format == MDP_Y_CRCB_H2V2) {
|
||
|
|
chroma_interp[IMG_TOP] = (chroma_interp[IMG_TOP] - 1) >> 1;
|
||
|
|
chroma_interp[IMG_BOTTOM] = (chroma_interp[IMG_BOTTOM] + 1)
|
||
|
|
>> 1;
|
||
|
|
chroma_bound[IMG_TOP] = (chroma_bound[IMG_TOP] + 1) >> 1;
|
||
|
|
chroma_bound[IMG_BOTTOM] = chroma_bound[IMG_BOTTOM] >> 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
chroma_repeat[IMG_LEFT] = chroma_bound[IMG_LEFT] -
|
||
|
|
chroma_interp[IMG_LEFT];
|
||
|
|
chroma_repeat[IMG_RIGHT] = chroma_interp[IMG_RIGHT] -
|
||
|
|
chroma_bound[IMG_RIGHT];
|
||
|
|
chroma_repeat[IMG_TOP] = chroma_bound[IMG_TOP] -
|
||
|
|
chroma_interp[IMG_TOP];
|
||
|
|
chroma_repeat[IMG_BOTTOM] = chroma_interp[IMG_BOTTOM] -
|
||
|
|
chroma_bound[IMG_BOTTOM];
|
||
|
|
|
||
|
|
if (chroma_repeat[IMG_LEFT] < 0 || chroma_repeat[IMG_LEFT] > 3 ||
|
||
|
|
chroma_repeat[IMG_RIGHT] < 0 || chroma_repeat[IMG_RIGHT] > 3 ||
|
||
|
|
chroma_repeat[IMG_TOP] < 0 || chroma_repeat[IMG_TOP] > 3 ||
|
||
|
|
chroma_repeat[IMG_BOTTOM] < 0 || chroma_repeat[IMG_BOTTOM] > 3 ||
|
||
|
|
luma_repeat[IMG_LEFT] < 0 || luma_repeat[IMG_LEFT] > 3 ||
|
||
|
|
luma_repeat[IMG_RIGHT] < 0 || luma_repeat[IMG_RIGHT] > 3 ||
|
||
|
|
luma_repeat[IMG_TOP] < 0 || luma_repeat[IMG_TOP] > 3 ||
|
||
|
|
luma_repeat[IMG_BOTTOM] < 0 || luma_repeat[IMG_BOTTOM] > 3)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
regs->edge |= (chroma_repeat[IMG_LEFT] & 3) << MDP_LEFT_CHROMA;
|
||
|
|
regs->edge |= (chroma_repeat[IMG_RIGHT] & 3) << MDP_RIGHT_CHROMA;
|
||
|
|
regs->edge |= (chroma_repeat[IMG_TOP] & 3) << MDP_TOP_CHROMA;
|
||
|
|
regs->edge |= (chroma_repeat[IMG_BOTTOM] & 3) << MDP_BOTTOM_CHROMA;
|
||
|
|
regs->edge |= (luma_repeat[IMG_LEFT] & 3) << MDP_LEFT_LUMA;
|
||
|
|
regs->edge |= (luma_repeat[IMG_RIGHT] & 3) << MDP_RIGHT_LUMA;
|
||
|
|
regs->edge |= (luma_repeat[IMG_TOP] & 3) << MDP_TOP_LUMA;
|
||
|
|
regs->edge |= (luma_repeat[IMG_BOTTOM] & 3) << MDP_BOTTOM_LUMA;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int blit_scale(const struct mdp_info *mdp, struct mdp_blit_req *req,
|
||
|
|
struct mdp_regs *regs)
|
||
|
|
{
|
||
|
|
uint32_t phase_init_x, phase_init_y, phase_step_x, phase_step_y;
|
||
|
|
uint32_t scale_factor_x, scale_factor_y;
|
||
|
|
uint32_t downscale;
|
||
|
|
uint32_t dst_w, dst_h;
|
||
|
|
|
||
|
|
if (req->flags & MDP_ROT_90) {
|
||
|
|
dst_w = req->dst_rect.h;
|
||
|
|
dst_h = req->dst_rect.w;
|
||
|
|
} else {
|
||
|
|
dst_w = req->dst_rect.w;
|
||
|
|
dst_h = req->dst_rect.h;
|
||
|
|
}
|
||
|
|
if ((req->src_rect.w == dst_w) && (req->src_rect.h == dst_h) &&
|
||
|
|
!(req->flags & MDP_BLUR)) {
|
||
|
|
regs->phasex_init = 0;
|
||
|
|
regs->phasey_init = 0;
|
||
|
|
regs->phasex_step = 0;
|
||
|
|
regs->phasey_step = 0;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (scale_params(req->src_rect.w, dst_w, 1, &phase_init_x,
|
||
|
|
&phase_step_x) ||
|
||
|
|
scale_params(req->src_rect.h, dst_h, 1, &phase_init_y,
|
||
|
|
&phase_step_y))
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
scale_factor_x = (dst_w * 10) / req->src_rect.w;
|
||
|
|
scale_factor_y = (dst_h * 10) / req->src_rect.h;
|
||
|
|
|
||
|
|
if (scale_factor_x > 8)
|
||
|
|
downscale = MDP_DOWNSCALE_PT8TO1;
|
||
|
|
else if (scale_factor_x > 6)
|
||
|
|
downscale = MDP_DOWNSCALE_PT6TOPT8;
|
||
|
|
else if (scale_factor_x > 4)
|
||
|
|
downscale = MDP_DOWNSCALE_PT4TOPT6;
|
||
|
|
else
|
||
|
|
downscale = MDP_DOWNSCALE_PT2TOPT4;
|
||
|
|
if (downscale != downscale_x_table) {
|
||
|
|
load_scale_table(mdp, mdp_downscale_x_table[downscale], 64);
|
||
|
|
downscale_x_table = downscale;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (scale_factor_y > 8)
|
||
|
|
downscale = MDP_DOWNSCALE_PT8TO1;
|
||
|
|
else if (scale_factor_y > 6)
|
||
|
|
downscale = MDP_DOWNSCALE_PT6TOPT8;
|
||
|
|
else if (scale_factor_y > 4)
|
||
|
|
downscale = MDP_DOWNSCALE_PT4TOPT6;
|
||
|
|
else
|
||
|
|
downscale = MDP_DOWNSCALE_PT2TOPT4;
|
||
|
|
if (downscale != downscale_y_table) {
|
||
|
|
load_scale_table(mdp, mdp_downscale_y_table[downscale], 64);
|
||
|
|
downscale_y_table = downscale;
|
||
|
|
}
|
||
|
|
|
||
|
|
regs->phasex_init = phase_init_x;
|
||
|
|
regs->phasey_init = phase_init_y;
|
||
|
|
regs->phasex_step = phase_step_x;
|
||
|
|
regs->phasey_step = phase_step_y;
|
||
|
|
regs->op |= (PPP_OP_SCALE_Y_ON | PPP_OP_SCALE_X_ON);
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
static void blit_blur(const struct mdp_info *mdp, struct mdp_blit_req *req,
|
||
|
|
struct mdp_regs *regs)
|
||
|
|
{
|
||
|
|
if (!(req->flags & MDP_BLUR))
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (!(downscale_x_table == MDP_DOWNSCALE_BLUR &&
|
||
|
|
downscale_y_table == MDP_DOWNSCALE_BLUR)) {
|
||
|
|
load_scale_table(mdp, mdp_gaussian_blur_table, 128);
|
||
|
|
downscale_x_table = MDP_DOWNSCALE_BLUR;
|
||
|
|
downscale_y_table = MDP_DOWNSCALE_BLUR;
|
||
|
|
}
|
||
|
|
|
||
|
|
regs->op |= (PPP_OP_SCALE_Y_ON | PPP_OP_SCALE_X_ON);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#define IMG_LEN(rect_h, w, rect_w, bpp) (((rect_h) * w) * bpp)
|
||
|
|
|
||
|
|
#define Y_TO_CRCB_RATIO(format) \
|
||
|
|
((format == MDP_Y_CBCR_H2V2 || format == MDP_Y_CRCB_H2V2) ? 2 :\
|
||
|
|
(format == MDP_Y_CBCR_H2V1 || format == MDP_Y_CRCB_H2V1) ? 1 : 1)
|
||
|
|
|
||
|
|
static void get_len(struct mdp_img *img, struct mdp_rect *rect, uint32_t bpp,
|
||
|
|
uint32_t *len0, uint32_t *len1)
|
||
|
|
{
|
||
|
|
*len0 = IMG_LEN(rect->h, img->width, rect->w, bpp);
|
||
|
|
if (IS_PSEUDOPLNR(img->format))
|
||
|
|
*len1 = *len0/Y_TO_CRCB_RATIO(img->format);
|
||
|
|
else
|
||
|
|
*len1 = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int valid_src_dst(unsigned long src_start, unsigned long src_len,
|
||
|
|
unsigned long dst_start, unsigned long dst_len,
|
||
|
|
struct mdp_blit_req *req, struct mdp_regs *regs)
|
||
|
|
{
|
||
|
|
unsigned long src_min_ok = src_start;
|
||
|
|
unsigned long src_max_ok = src_start + src_len;
|
||
|
|
unsigned long dst_min_ok = dst_start;
|
||
|
|
unsigned long dst_max_ok = dst_start + dst_len;
|
||
|
|
uint32_t src0_len, src1_len, dst0_len, dst1_len;
|
||
|
|
get_len(&req->src, &req->src_rect, regs->src_bpp, &src0_len,
|
||
|
|
&src1_len);
|
||
|
|
get_len(&req->dst, &req->dst_rect, regs->dst_bpp, &dst0_len,
|
||
|
|
&dst1_len);
|
||
|
|
|
||
|
|
if (regs->src0 < src_min_ok || regs->src0 > src_max_ok ||
|
||
|
|
regs->src0 + src0_len > src_max_ok) {
|
||
|
|
DLOG("invalid_src %x %x %lx %lx\n", regs->src0,
|
||
|
|
src0_len, src_min_ok, src_max_ok);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
if (regs->src_cfg & PPP_SRC_PLANE_PSEUDOPLNR) {
|
||
|
|
if (regs->src1 < src_min_ok || regs->src1 > src_max_ok ||
|
||
|
|
regs->src1 + src1_len > src_max_ok) {
|
||
|
|
DLOG("invalid_src1");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (regs->dst0 < dst_min_ok || regs->dst0 > dst_max_ok ||
|
||
|
|
regs->dst0 + dst0_len > dst_max_ok) {
|
||
|
|
DLOG("invalid_dst");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
if (regs->dst_cfg & PPP_SRC_PLANE_PSEUDOPLNR) {
|
||
|
|
if (regs->dst1 < dst_min_ok || regs->dst1 > dst_max_ok ||
|
||
|
|
regs->dst1 + dst1_len > dst_max_ok) {
|
||
|
|
DLOG("invalid_dst1");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void flush_imgs(struct mdp_blit_req *req, struct mdp_regs *regs,
|
||
|
|
struct file *src_file, struct file *dst_file)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_ANDROID_PMEM
|
||
|
|
uint32_t src0_len, src1_len, dst0_len, dst1_len;
|
||
|
|
|
||
|
|
/* flush src images to memory before dma to mdp */
|
||
|
|
get_len(&req->src, &req->src_rect, regs->src_bpp, &src0_len,
|
||
|
|
&src1_len);
|
||
|
|
flush_pmem_file(src_file, req->src.offset, src0_len);
|
||
|
|
if (IS_PSEUDOPLNR(req->src.format))
|
||
|
|
flush_pmem_file(src_file, req->src.offset + src0_len,
|
||
|
|
src1_len);
|
||
|
|
|
||
|
|
/* flush dst images */
|
||
|
|
get_len(&req->dst, &req->dst_rect, regs->dst_bpp, &dst0_len,
|
||
|
|
&dst1_len);
|
||
|
|
flush_pmem_file(dst_file, req->dst.offset, dst0_len);
|
||
|
|
if (IS_PSEUDOPLNR(req->dst.format))
|
||
|
|
flush_pmem_file(dst_file, req->dst.offset + dst0_len,
|
||
|
|
dst1_len);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
static void get_chroma_addr(struct mdp_img *img, struct mdp_rect *rect,
|
||
|
|
uint32_t base, uint32_t bpp, uint32_t cfg,
|
||
|
|
uint32_t *addr, uint32_t *ystride)
|
||
|
|
{
|
||
|
|
uint32_t compress_v = Y_TO_CRCB_RATIO(img->format);
|
||
|
|
uint32_t compress_h = 2;
|
||
|
|
uint32_t offset;
|
||
|
|
|
||
|
|
if (IS_PSEUDOPLNR(img->format)) {
|
||
|
|
offset = (rect->x / compress_h) * compress_h;
|
||
|
|
offset += rect->y == 0 ? 0 :
|
||
|
|
((rect->y + 1) / compress_v) * img->width;
|
||
|
|
*addr = base + (img->width * img->height * bpp);
|
||
|
|
*addr += offset * bpp;
|
||
|
|
*ystride |= *ystride << 16;
|
||
|
|
} else {
|
||
|
|
*addr = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int send_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
|
||
|
|
struct mdp_regs *regs, struct file *src_file,
|
||
|
|
struct file *dst_file)
|
||
|
|
{
|
||
|
|
mdp_writel(mdp, 1, 0x060);
|
||
|
|
mdp_writel(mdp, regs->src_rect, PPP_ADDR_SRC_ROI);
|
||
|
|
mdp_writel(mdp, regs->src0, PPP_ADDR_SRC0);
|
||
|
|
mdp_writel(mdp, regs->src1, PPP_ADDR_SRC1);
|
||
|
|
mdp_writel(mdp, regs->src_ystride, PPP_ADDR_SRC_YSTRIDE);
|
||
|
|
mdp_writel(mdp, regs->src_cfg, PPP_ADDR_SRC_CFG);
|
||
|
|
mdp_writel(mdp, regs->src_pack, PPP_ADDR_SRC_PACK_PATTERN);
|
||
|
|
|
||
|
|
mdp_writel(mdp, regs->op, PPP_ADDR_OPERATION);
|
||
|
|
mdp_writel(mdp, regs->phasex_init, PPP_ADDR_PHASEX_INIT);
|
||
|
|
mdp_writel(mdp, regs->phasey_init, PPP_ADDR_PHASEY_INIT);
|
||
|
|
mdp_writel(mdp, regs->phasex_step, PPP_ADDR_PHASEX_STEP);
|
||
|
|
mdp_writel(mdp, regs->phasey_step, PPP_ADDR_PHASEY_STEP);
|
||
|
|
|
||
|
|
mdp_writel(mdp, (req->alpha << 24) | (req->transp_mask & 0xffffff),
|
||
|
|
PPP_ADDR_ALPHA_TRANSP);
|
||
|
|
|
||
|
|
mdp_writel(mdp, regs->dst_cfg, PPP_ADDR_DST_CFG);
|
||
|
|
mdp_writel(mdp, regs->dst_pack, PPP_ADDR_DST_PACK_PATTERN);
|
||
|
|
mdp_writel(mdp, regs->dst_rect, PPP_ADDR_DST_ROI);
|
||
|
|
mdp_writel(mdp, regs->dst0, PPP_ADDR_DST0);
|
||
|
|
mdp_writel(mdp, regs->dst1, PPP_ADDR_DST1);
|
||
|
|
mdp_writel(mdp, regs->dst_ystride, PPP_ADDR_DST_YSTRIDE);
|
||
|
|
|
||
|
|
mdp_writel(mdp, regs->edge, PPP_ADDR_EDGE);
|
||
|
|
if (regs->op & PPP_OP_BLEND_ON) {
|
||
|
|
mdp_writel(mdp, regs->dst0, PPP_ADDR_BG0);
|
||
|
|
mdp_writel(mdp, regs->dst1, PPP_ADDR_BG1);
|
||
|
|
mdp_writel(mdp, regs->dst_ystride, PPP_ADDR_BG_YSTRIDE);
|
||
|
|
mdp_writel(mdp, src_img_cfg[req->dst.format], PPP_ADDR_BG_CFG);
|
||
|
|
mdp_writel(mdp, pack_pattern[req->dst.format],
|
||
|
|
PPP_ADDR_BG_PACK_PATTERN);
|
||
|
|
}
|
||
|
|
flush_imgs(req, regs, src_file, dst_file);
|
||
|
|
mdp_writel(mdp, 0x1000, MDP_DISPLAY0_START);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int mdp_ppp_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
|
||
|
|
struct file *src_file, unsigned long src_start, unsigned long src_len,
|
||
|
|
struct file *dst_file, unsigned long dst_start, unsigned long dst_len)
|
||
|
|
{
|
||
|
|
struct mdp_regs regs = {0};
|
||
|
|
|
||
|
|
if (unlikely(req->src.format >= MDP_IMGTYPE_LIMIT ||
|
||
|
|
req->dst.format >= MDP_IMGTYPE_LIMIT)) {
|
||
|
|
printk(KERN_ERR "mpd_ppp: img is of wrong format\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (unlikely(req->src_rect.x > req->src.width ||
|
||
|
|
req->src_rect.y > req->src.height ||
|
||
|
|
req->dst_rect.x > req->dst.width ||
|
||
|
|
req->dst_rect.y > req->dst.height)) {
|
||
|
|
printk(KERN_ERR "mpd_ppp: img rect is outside of img!\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* set the src image configuration */
|
||
|
|
regs.src_cfg = src_img_cfg[req->src.format];
|
||
|
|
regs.src_cfg |= (req->src_rect.x & 0x1) ? PPP_SRC_BPP_ROI_ODD_X : 0;
|
||
|
|
regs.src_cfg |= (req->src_rect.y & 0x1) ? PPP_SRC_BPP_ROI_ODD_Y : 0;
|
||
|
|
regs.src_rect = (req->src_rect.h << 16) | req->src_rect.w;
|
||
|
|
regs.src_pack = pack_pattern[req->src.format];
|
||
|
|
|
||
|
|
/* set the dest image configuration */
|
||
|
|
regs.dst_cfg = dst_img_cfg[req->dst.format] | PPP_DST_OUT_SEL_AXI;
|
||
|
|
regs.dst_rect = (req->dst_rect.h << 16) | req->dst_rect.w;
|
||
|
|
regs.dst_pack = pack_pattern[req->dst.format];
|
||
|
|
|
||
|
|
/* set src, bpp, start pixel and ystride */
|
||
|
|
regs.src_bpp = bytes_per_pixel[req->src.format];
|
||
|
|
regs.src0 = src_start + req->src.offset;
|
||
|
|
regs.src_ystride = req->src.width * regs.src_bpp;
|
||
|
|
get_chroma_addr(&req->src, &req->src_rect, regs.src0, regs.src_bpp,
|
||
|
|
regs.src_cfg, ®s.src1, ®s.src_ystride);
|
||
|
|
regs.src0 += (req->src_rect.x + (req->src_rect.y * req->src.width)) *
|
||
|
|
regs.src_bpp;
|
||
|
|
|
||
|
|
/* set dst, bpp, start pixel and ystride */
|
||
|
|
regs.dst_bpp = bytes_per_pixel[req->dst.format];
|
||
|
|
regs.dst0 = dst_start + req->dst.offset;
|
||
|
|
regs.dst_ystride = req->dst.width * regs.dst_bpp;
|
||
|
|
get_chroma_addr(&req->dst, &req->dst_rect, regs.dst0, regs.dst_bpp,
|
||
|
|
regs.dst_cfg, ®s.dst1, ®s.dst_ystride);
|
||
|
|
regs.dst0 += (req->dst_rect.x + (req->dst_rect.y * req->dst.width)) *
|
||
|
|
regs.dst_bpp;
|
||
|
|
|
||
|
|
if (!valid_src_dst(src_start, src_len, dst_start, dst_len, req,
|
||
|
|
®s)) {
|
||
|
|
printk(KERN_ERR "mpd_ppp: final src or dst location is "
|
||
|
|
"invalid, are you trying to make an image too large "
|
||
|
|
"or to place it outside the screen?\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* set up operation register */
|
||
|
|
regs.op = 0;
|
||
|
|
blit_rotate(req, ®s);
|
||
|
|
blit_convert(req, ®s);
|
||
|
|
if (req->flags & MDP_DITHER)
|
||
|
|
regs.op |= PPP_OP_DITHER_EN;
|
||
|
|
blit_blend(req, ®s);
|
||
|
|
if (blit_scale(mdp, req, ®s)) {
|
||
|
|
printk(KERN_ERR "mpd_ppp: error computing scale for img.\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
blit_blur(mdp, req, ®s);
|
||
|
|
regs.op |= dst_op_chroma[req->dst.format] |
|
||
|
|
src_op_chroma[req->src.format];
|
||
|
|
|
||
|
|
/* if the image is YCRYCB, the x and w must be even */
|
||
|
|
if (unlikely(req->src.format == MDP_YCRYCB_H2V1)) {
|
||
|
|
req->src_rect.x = req->src_rect.x & (~0x1);
|
||
|
|
req->src_rect.w = req->src_rect.w & (~0x1);
|
||
|
|
req->dst_rect.x = req->dst_rect.x & (~0x1);
|
||
|
|
req->dst_rect.w = req->dst_rect.w & (~0x1);
|
||
|
|
}
|
||
|
|
if (get_edge_cond(req, ®s))
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
send_blit(mdp, req, ®s, src_file, dst_file);
|
||
|
|
return 0;
|
||
|
|
}
|