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android_kernel_cmhtcleo/drivers/video/msm/mdp_ppp.c

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/* drivers/video/msm/mdp_ppp.c
*
* Copyright (C) 2007 QUALCOMM Incorporated
* Copyright (C) 2007 Google Incorporated
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*/
#include <linux/fb.h>
#include <linux/file.h>
#include <linux/delay.h>
#include <linux/msm_mdp.h>
#include <linux/android_pmem.h>
#include <mach/msm_fb.h>
#include "mdp_hw.h"
#include "mdp_ppp.h"
#define PPP_DUMP_BLITS 0
#define PPP_DEBUG_MSGS 1
#if PPP_DEBUG_MSGS
#define DLOG(fmt,args...) \
do { printk(KERN_INFO "[%s:%s:%d] "fmt, __FILE__, __func__, \
__LINE__, ##args); } \
while (0)
#else
#define DLOG(x...) do {} while (0)
#endif
#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 uint32_t pack_pattern[] = {
PPP_ARRAY0(PACK_PATTERN)
};
static uint32_t src_img_cfg[] = {
PPP_ARRAY1(CFG, SRC)
};
static uint32_t dst_img_cfg[] = {
PPP_ARRAY1(CFG, DST)
};
static uint32_t bytes_per_pixel[] = {
[MDP_RGB_565] = 2,
[MDP_RGB_888] = 3,
[MDP_XRGB_8888] = 4,
[MDP_ARGB_8888] = 4,
[MDP_RGBA_8888] = 4,
[MDP_BGRA_8888] = 4,
[MDP_RGBX_8888] = 4,
[MDP_Y_CBCR_H2V1] = 1,
[MDP_Y_CBCR_H2V2] = 1,
[MDP_Y_CRCB_H2V1] = 1,
[MDP_Y_CRCB_H2V2] = 1,
[MDP_YCRYCB_H2V1] = 2
};
static uint32_t dst_op_chroma[] = {
PPP_ARRAY1(CHROMA_SAMP, DST)
};
static uint32_t src_op_chroma[] = {
PPP_ARRAY1(CHROMA_SAMP, SRC)
};
static uint32_t bg_op_chroma[] = {
PPP_ARRAY1(CHROMA_SAMP, BG)
};
static uint32_t get_luma_offset(struct mdp_img *img,
struct mdp_rect *rect, uint32_t bpp)
{
#ifndef CONFIG_MSM_MDP31
return (rect->x + (rect->y * img->width)) * bpp;
#else
return 0;
#endif
}
static uint32_t get_chroma_offset(struct mdp_img *img,
struct mdp_rect *rect, uint32_t bpp)
{
#ifndef CONFIG_MSM_MDP31
uint32_t compress_v = Y_TO_CRCB_RATIO(img->format);
uint32_t compress_h = 2;
uint32_t offset = 0;
if (IS_PSEUDOPLNR(img->format)) {
offset = (rect->x / compress_h) * compress_h;
offset += rect->y == 0 ? 0 :
((rect->y + 1) / compress_v) * img->width;
offset *= bpp;
}
return offset;
#else
return 0;
#endif
}
static void set_src_region(struct mdp_img *img, struct mdp_rect *rect,
struct ppp_regs *regs)
{
regs->src_rect = (rect->h << 16) | (rect->w & 0x1fff);
#ifdef CONFIG_MSM_MDP31
regs->src_xy = (rect->y << 16) | (rect->x & 0x1fff);
regs->src_img_sz = (img->height << 16) | (img->width & 0x1fff);
#endif
}
static inline void set_dst_region(struct mdp_rect *rect, struct ppp_regs *regs)
{
regs->dst_rect = (rect->h << 16) | (rect->w & 0xfff);
#ifdef CONFIG_MSM_MDP31
regs->dst_xy = (rect->y << 16) | (rect->x & 0x1fff);
#endif
}
static void set_blend_region(struct mdp_img *img, struct mdp_rect *rect,
struct ppp_regs *regs)
{
#ifdef CONFIG_MSM_MDP31
uint32_t rect_x = rect->x;
uint32_t rect_y = rect->y;
uint32_t img_w = img->width;
uint32_t img_h = img->height;
/* HW bug workaround */
if (img->format == MDP_YCRYCB_H2V1) {
regs->bg0 += (rect_x + (rect_y * img_w)) * regs->bg_bpp;
rect_x = 0;
rect_y = 0;
img_w = rect->w;
img_h = rect->h;
}
regs->bg_xy = (rect_y << 16) | (rect_x & 0x1fff);
regs->bg_img_sz = (img_h << 16) | (img_w & 0x1fff);
#endif
}
static void rotate_dst_addr_x(struct mdp_blit_req *req,
struct ppp_regs *regs)
{
#ifndef CONFIG_MSM_MDP31
regs->dst0 += (req->dst_rect.w -
min((uint32_t)16, req->dst_rect.w)) * regs->dst_bpp;
regs->dst1 += (req->dst_rect.w -
min((uint32_t)16, req->dst_rect.w)) * regs->dst_bpp;
#endif
}
static void rotate_dst_addr_y(struct mdp_blit_req *req,
struct ppp_regs *regs)
{
#ifndef CONFIG_MSM_MDP31
regs->dst0 += (req->dst_rect.h -
min((uint32_t)16, req->dst_rect.h)) *
regs->dst_ystride;
regs->dst1 += (req->dst_rect.h -
min((uint32_t)16, req->dst_rect.h)) *
regs->dst_ystride;
#endif
}
static void blit_rotate(struct mdp_blit_req *req,
struct ppp_regs *regs)
{
if (req->flags == MDP_ROT_NOP)
return;
regs->op |= PPP_OP_ROT_ON;
if ((req->flags & MDP_ROT_90 || req->flags & MDP_FLIP_LR) &&
!(req->flags & MDP_ROT_90 && req->flags & MDP_FLIP_LR))
rotate_dst_addr_x(req, regs);
if (req->flags & MDP_ROT_90)
regs->op |= PPP_OP_ROT_90;
if (req->flags & MDP_FLIP_UD) {
regs->op |= PPP_OP_FLIP_UD;
rotate_dst_addr_y(req, regs);
}
if (req->flags & MDP_FLIP_LR)
regs->op |= PPP_OP_FLIP_LR;
}
static void blit_convert(struct mdp_blit_req *req, struct ppp_regs *regs)
{
if (req->src.format == req->dst.format)
return;
if (IS_RGB(req->src.format) && IS_YCRCB(req->dst.format)) {
regs->op |= PPP_OP_CONVERT_RGB2YCBCR | PPP_OP_CONVERT_ON;
#ifdef CONFIG_MSM_MDP31
/* primary really means set1 */
regs->op |= PPP_OP_CONVERT_MATRIX_PRIMARY;
regs->csc_cfg = 0x1e;
#endif
} else if (IS_YCRCB(req->src.format) && IS_RGB(req->dst.format)) {
regs->op |= PPP_OP_CONVERT_YCBCR2RGB | PPP_OP_CONVERT_ON;
#ifdef CONFIG_MSM_MDP31
/* secondary really means set2 */
regs->op |= PPP_OP_CONVERT_MATRIX_SECONDARY;
regs->csc_cfg = 0;
#endif
}
}
#define GET_BIT_RANGE(value, high, low) \
(((1 << (high - low + 1)) - 1) & (value >> low))
static uint32_t transp_convert(struct mdp_blit_req *req)
{
uint32_t transp = 0;
if (req->src.format == MDP_RGB_565) {
/* pad each value to 8 bits by copying the high bits into the
* low end, convert RGB to RBG by switching low 2 components */
transp |= ((GET_BIT_RANGE(req->transp_mask, 15, 11) << 3) |
(GET_BIT_RANGE(req->transp_mask, 15, 13))) << 16;
transp |= ((GET_BIT_RANGE(req->transp_mask, 4, 0) << 3) |
(GET_BIT_RANGE(req->transp_mask, 4, 2))) << 8;
transp |= (GET_BIT_RANGE(req->transp_mask, 10, 5) << 2) |
(GET_BIT_RANGE(req->transp_mask, 10, 9));
} else {
/* convert RGB to RBG */
transp |= (GET_BIT_RANGE(req->transp_mask, 15, 8)) |
(GET_BIT_RANGE(req->transp_mask, 23, 16) << 16) |
(GET_BIT_RANGE(req->transp_mask, 7, 0) << 8);
}
return transp;
}
#undef GET_BIT_RANGE
static void blit_blend(struct mdp_blit_req *req, struct ppp_regs *regs)
{
/* TRANSP BLEND */
if (req->transp_mask != MDP_TRANSP_NOP) {
req->transp_mask = transp_convert(req);
if (req->alpha != MDP_ALPHA_NOP) {
/* use blended transparancy mode
* pixel = (src == transp) ? dst : blend
* blend is combo of blend_eq_sel and
* blend_alpha_sel */
regs->op |= PPP_OP_ROT_ON | PPP_OP_BLEND_ON |
PPP_OP_BLEND_ALPHA_BLEND_NORMAL |
PPP_OP_BLEND_CONSTANT_ALPHA |
PPP_BLEND_ALPHA_TRANSP;
} else {
/* simple transparancy mode
* pixel = (src == transp) ? dst : src */
regs->op |= PPP_OP_ROT_ON | PPP_OP_BLEND_ON |
PPP_OP_BLEND_SRCPIXEL_TRANSP;
}
}
req->alpha &= 0xff;
/* ALPHA BLEND */
if (HAS_ALPHA(req->src.format)) {
#if !defined(CONFIG_MACH_HTCLEO)
regs->op |= PPP_OP_ROT_ON | PPP_OP_BLEND_ON;
if (req->flags & MDP_BLEND_FG_PREMULT) {
#ifdef CONFIG_MSM_MDP31
/* premultiplied alpha:
* bg_alpha = (1 - fg_alpha)
* fg_alpha = 0xff
*/
regs->bg_alpha_sel = PPP_BLEND_BG_USE_ALPHA_SEL |
PPP_BLEND_BG_ALPHA_REVERSE |
PPP_BLEND_BG_SRCPIXEL_ALPHA;
regs->op |= PPP_OP_BLEND_CONSTANT_ALPHA;
req->alpha = 0xff;
#endif
} else {
regs->op |= PPP_OP_BLEND_SRCPIXEL_ALPHA;
}
#else
regs->op |= PPP_OP_ROT_ON | PPP_OP_BLEND_ON;
regs->op |= PPP_OP_BLEND_SRCPIXEL_ALPHA;
#endif
} else if (req->alpha < MDP_ALPHA_NOP) {
/* just blend by alpha */
regs->op |= PPP_OP_ROT_ON | PPP_OP_BLEND_ON |
PPP_OP_BLEND_ALPHA_BLEND_NORMAL |
PPP_OP_BLEND_CONSTANT_ALPHA;
}
regs->op |= bg_op_chroma[req->dst.format];
/* since we always blend src + dst -> dst, copy most of the
* configuration from dest to bg */
regs->bg0 = regs->dst0;
regs->bg1 = regs->dst1;
regs->bg_cfg = src_img_cfg[req->dst.format];
regs->bg_bpp = regs->dst_bpp;
regs->bg_pack = pack_pattern[req->dst.format];
regs->bg_ystride = regs->dst_ystride;
set_blend_region(&req->dst, &req->dst_rect, regs);
}
static int blit_scale(const struct mdp_info *mdp, struct mdp_blit_req *req,
struct ppp_regs *regs)
{
struct mdp_rect dst_rect;
memcpy(&dst_rect, &req->dst_rect, sizeof(dst_rect));
if (req->flags & MDP_ROT_90) {
dst_rect.w = req->dst_rect.h;
dst_rect.h = req->dst_rect.w;
}
if ((req->src_rect.w == dst_rect.w) && (req->src_rect.h == dst_rect.h)
&& !(req->flags & MDP_BLUR)) {
regs->phasex_init = 0;
regs->phasey_init = 0;
regs->phasex_step = 0;
regs->phasey_step = 0;
return 0;
}
if (mdp_ppp_cfg_scale(mdp, regs, &req->src_rect, &dst_rect,
req->src.format, req->dst.format)) {
DLOG("crap, bad scale\n");
return -1;
}
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 ppp_regs *regs)
{
int ret;
if (!(req->flags & MDP_BLUR))
return;
ret = mdp_ppp_load_blur(mdp);
if (ret)
return;
regs->op |= (PPP_OP_SCALE_Y_ON | PPP_OP_SCALE_X_ON);
}
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 ppp_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 ppp_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 uint32_t get_chroma_base(struct mdp_img *img, uint32_t base,
uint32_t bpp)
{
uint32_t addr = 0;
if (IS_PSEUDOPLNR(img->format))
addr = base + (img->width * img->height * bpp);
return addr;
}
#if PPP_DUMP_BLITS
#define mdp_writel_dbg(mdp, val, reg) do { \
pr_info("%s: writing 0x%08x=0x%08x\n", __func__, (reg), (val));\
mdp_writel((mdp), (val), (reg)); \
} while (0)
#else
#define mdp_writel_dbg(mdp, val, reg) mdp_writel((mdp), (val), (reg))
#endif
static int send_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
struct ppp_regs *regs, struct file *src_file,
struct file *dst_file)
{
#if 0
mdp_writel_dbg(mdp, 1, MDP_PPP_CMD_MODE);
#endif
mdp_writel_dbg(mdp, regs->src_rect, PPP_ADDR_SRC_ROI);
mdp_writel_dbg(mdp, regs->src0, PPP_ADDR_SRC0);
mdp_writel_dbg(mdp, regs->src1, PPP_ADDR_SRC1);
mdp_writel_dbg(mdp, regs->src_ystride, PPP_ADDR_SRC_YSTRIDE);
mdp_writel_dbg(mdp, regs->src_cfg, PPP_ADDR_SRC_CFG);
mdp_writel_dbg(mdp, regs->src_pack, PPP_ADDR_SRC_PACK_PATTERN);
mdp_writel_dbg(mdp, regs->op, PPP_ADDR_OPERATION);
mdp_writel_dbg(mdp, regs->phasex_init, PPP_ADDR_PHASEX_INIT);
mdp_writel_dbg(mdp, regs->phasey_init, PPP_ADDR_PHASEY_INIT);
mdp_writel_dbg(mdp, regs->phasex_step, PPP_ADDR_PHASEX_STEP);
mdp_writel_dbg(mdp, regs->phasey_step, PPP_ADDR_PHASEY_STEP);
#ifdef CONFIG_MSM_MDP31
mdp_writel_dbg(mdp, regs->scale_cfg, MDP_PPP_SCALE_CONFIG);
mdp_writel_dbg(mdp, regs->csc_cfg, MDP_PPP_CSC_CONFIG);
mdp_writel_dbg(mdp, regs->src_xy, MDP_PPP_SRC_XY);
mdp_writel_dbg(mdp, regs->src_img_sz, MDP_PPP_SRC_IMAGE_SIZE);
mdp_writel_dbg(mdp, regs->dst_xy, MDP_PPP_OUT_XY);
#else
/* no edge conditions to set for MDP 3.1 */
mdp_writel_dbg(mdp, regs->edge, PPP_ADDR_EDGE);
#endif
mdp_writel_dbg(mdp, (req->alpha << 24) | (req->transp_mask & 0xffffff),
PPP_ADDR_ALPHA_TRANSP);
mdp_writel_dbg(mdp, regs->dst_cfg, PPP_ADDR_DST_CFG);
mdp_writel_dbg(mdp, regs->dst_pack, PPP_ADDR_DST_PACK_PATTERN);
mdp_writel_dbg(mdp, regs->dst_rect, PPP_ADDR_DST_ROI);
mdp_writel_dbg(mdp, regs->dst0, PPP_ADDR_DST0);
mdp_writel_dbg(mdp, regs->dst1, PPP_ADDR_DST1);
mdp_writel_dbg(mdp, regs->dst_ystride, PPP_ADDR_DST_YSTRIDE);
if (regs->op & PPP_OP_BLEND_ON) {
mdp_writel_dbg(mdp, regs->bg0, PPP_ADDR_BG0);
mdp_writel_dbg(mdp, regs->bg1, PPP_ADDR_BG1);
mdp_writel_dbg(mdp, regs->bg_ystride, PPP_ADDR_BG_YSTRIDE);
mdp_writel_dbg(mdp, regs->bg_cfg, PPP_ADDR_BG_CFG);
mdp_writel_dbg(mdp, regs->bg_pack, PPP_ADDR_BG_PACK_PATTERN);
#ifdef CONFIG_MSM_MDP31
mdp_writel_dbg(mdp, regs->bg_xy, MDP_PPP_BG_XY);
mdp_writel_dbg(mdp, regs->bg_img_sz, MDP_PPP_BG_IMAGE_SIZE);
mdp_writel_dbg(mdp, regs->bg_alpha_sel,
MDP_PPP_BLEND_BG_ALPHA_SEL);
#if defined(CONFIG_MACH_HTCLEO)
mdp_writel_dbg(mdp, 0, MDP_TFETCH_TEST_MODE);
#endif
#endif
}
if( src_file != -1 && dst_file != -1 )
flush_imgs(req, regs, src_file, dst_file);
mdp_writel_dbg(mdp, 0x1000, MDP_DISPLAY0_START);
return 0;
}
void mdp_dump_blit(struct mdp_blit_req *req)
{
pr_info("%s: src: w=%d h=%d f=0x%x offs=0x%x mem_id=%d\n", __func__,
req->src.width, req->src.height, req->src.format,
req->src.offset, req->src.memory_id);
pr_info("%s: dst: w=%d h=%d f=0x%x offs=0x%x mem_id=%d\n", __func__,
req->dst.width, req->dst.height, req->dst.format,
req->dst.offset, req->dst.memory_id);
pr_info("%s: src_rect: x=%d y=%d w=%d h=%d\n", __func__,
req->src_rect.x, req->src_rect.y, req->src_rect.w,
req->src_rect.h);
pr_info("%s: dst_rect: x=%d y=%d w=%d h=%d\n", __func__,
req->dst_rect.x, req->dst_rect.y, req->dst_rect.w,
req->dst_rect.h);
pr_info("%s: alpha=0x%08x\n", __func__, req->alpha);
pr_info("%s: transp_max=0x%08x\n", __func__, req->transp_mask);
pr_info("%s: flags=%08x\n", __func__, req->flags);
}
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 ppp_regs regs = {0};
uint32_t luma_base;
#if PPP_DUMP_BLITS
mdp_dump_blit(req);
#endif
if (unlikely(req->src.format >= MDP_IMGTYPE_LIMIT ||
req->dst.format >= MDP_IMGTYPE_LIMIT)) {
printk(KERN_ERR "mdp_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 "mdp_ppp: img rect is outside of img!\n");
return -EINVAL;
}
if (unlikely(req->src_rect.x + req->src_rect.w > req->src.width ||
req->src_rect.y + req->src_rect.h > req->src.height ||
req->dst_rect.x + req->dst_rect.w > req->dst.width ||
req->dst_rect.y + req->dst_rect.h > req->dst.height)) {
printk(KERN_ERR "mdp_ppp: img rect extends 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_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_pack = pack_pattern[req->dst.format];
/* set src, bpp, start pixel and ystride */
regs.src_bpp = mdp_get_bytes_per_pixel(req->src.format);
luma_base = src_start + req->src.offset;
regs.src0 = luma_base +
get_luma_offset(&req->src, &req->src_rect, regs.src_bpp);
regs.src1 = get_chroma_base(&req->src, luma_base, regs.src_bpp);
regs.src1 += get_chroma_offset(&req->src, &req->src_rect, regs.src_bpp);
regs.src_ystride = req->src.width * regs.src_bpp;
set_src_region(&req->src, &req->src_rect, &regs);
/* set dst, bpp, start pixel and ystride */
regs.dst_bpp = mdp_get_bytes_per_pixel(req->dst.format);
luma_base = dst_start + req->dst.offset;
regs.dst0 = luma_base +
get_luma_offset(&req->dst, &req->dst_rect, regs.dst_bpp);
regs.dst1 = get_chroma_base(&req->dst, luma_base, regs.dst_bpp);
regs.dst1 += get_chroma_offset(&req->dst, &req->dst_rect, regs.dst_bpp);
regs.dst_ystride = req->dst.width * regs.dst_bpp;
set_dst_region(&req->dst_rect, &regs);
if (!valid_src_dst(src_start, src_len, dst_start, dst_len, req,
&regs)) {
printk(KERN_ERR "mdp_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, &regs);
blit_convert(req, &regs);
if (req->flags & MDP_DITHER)
regs.op |= PPP_OP_DITHER_EN;
blit_blend(req, &regs);
if (blit_scale(mdp, req, &regs)) {
printk(KERN_ERR "mdp_ppp: error computing scale for img.\n");
return -EINVAL;
}
blit_blur(mdp, req, &regs);
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 (mdp_ppp_cfg_edge_cond(req, &regs))
return -EINVAL;
/* for simplicity, always write the chroma stride */
regs.src_ystride &= 0x3fff;
regs.src_ystride |= regs.src_ystride << 16;
regs.dst_ystride &= 0x3fff;
regs.dst_ystride |= regs.dst_ystride << 16;
regs.bg_ystride &= 0x3fff;
regs.bg_ystride |= regs.bg_ystride << 16;
#if PPP_DUMP_BLITS
pr_info("%s: sending blit\n", __func__);
#endif
send_blit(mdp, req, &regs, src_file, dst_file);
return 0;
}
int mdp_get_bytes_per_pixel(int format)
{
if (format < 0 || format >= MDP_IMGTYPE_LIMIT)
return -1;
return bytes_per_pixel[format];
}
#define mdp_dump_register(mdp, reg) \
printk(# reg ": %08x\n", mdp_readl((mdp), (reg)))
void mdp_ppp_dump_debug(const struct mdp_info *mdp)
{
mdp_dump_register(mdp, MDP_TFETCH_STATUS);
mdp_dump_register(mdp, MDP_TFETCH_TILE_COUNT);
mdp_dump_register(mdp, MDP_TFETCH_FETCH_COUNT);
mdp_dump_register(mdp, MDP_BGTFETCH_STATUS);
mdp_dump_register(mdp, MDP_BGTFETCH_TILE_COUNT);
mdp_dump_register(mdp, MDP_BGTFETCH_FETCH_COUNT);
mdp_dump_register(mdp, MDP_PPP_SCALE_STATUS);
mdp_dump_register(mdp, MDP_PPP_BLEND_STATUS);
mdp_dump_register(mdp, MDP_INTR_STATUS);
mdp_dump_register(mdp, MDP_INTR_ENABLE);
}
/* Splits a blit into two horizontal stripes. Used to work around MDP bugs */
int mdp_ppp_blit_split_height(struct mdp_info *mdp, const 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)
{
int ret;
struct mdp_blit_req splitreq;
int s_x_0, s_x_1, s_w_0, s_w_1, s_y_0, s_y_1, s_h_0, s_h_1;
int d_x_0, d_x_1, d_w_0, d_w_1, d_y_0, d_y_1, d_h_0, d_h_1;
splitreq = *req;
/* break dest roi at height*/
d_x_0 = d_x_1 = req->dst_rect.x;
d_w_0 = d_w_1 = req->dst_rect.w;
d_y_0 = req->dst_rect.y;
if (req->dst_rect.h % 32 == 3)
d_h_1 = (req->dst_rect.h - 3) / 2 - 1;
else
d_h_1 = (req->dst_rect.h - 1) / 2 - 1;
d_h_0 = req->dst_rect.h - d_h_1;
d_y_1 = d_y_0 + d_h_0;
if (req->dst_rect.h == 3) {
d_h_1 = 2;
d_h_0 = 2;
d_y_1 = d_y_0 + 1;
}
/* break source roi */
if (splitreq.flags & MDP_ROT_90) {
s_y_0 = s_y_1 = req->src_rect.y;
s_h_0 = s_h_1 = req->src_rect.h;
s_x_0 = req->src_rect.x;
s_w_1 = (req->src_rect.w * d_h_1) / req->dst_rect.h;
s_w_0 = req->src_rect.w - s_w_1;
s_x_1 = s_x_0 + s_w_0;
if (d_h_1 >= 8 * s_w_1) {
s_w_1++;
s_x_1--;
}
} else {
s_x_0 = s_x_1 = req->src_rect.x;
s_w_0 = s_w_1 = req->src_rect.w;
s_y_0 = req->src_rect.y;
s_h_1 = (req->src_rect.h * d_h_1) / req->dst_rect.h;
s_h_0 = req->src_rect.h - s_h_1;
s_y_1 = s_y_0 + s_h_0;
if (d_h_1 >= 8 * s_h_1) {
s_h_1++;
s_y_1--;
}
}
/* blit first region */
if (((splitreq.flags & MDP_ROT_MASK) == MDP_ROT_90) ||
((splitreq.flags & MDP_ROT_MASK) == 0x0)) {
splitreq.src_rect.h = s_h_0;
splitreq.src_rect.y = s_y_0;
splitreq.dst_rect.h = d_h_0;
splitreq.dst_rect.y = d_y_0;
splitreq.src_rect.x = s_x_0;
splitreq.src_rect.w = s_w_0;
splitreq.dst_rect.x = d_x_0;
splitreq.dst_rect.w = d_w_0;
} else {
splitreq.src_rect.h = s_h_0;
splitreq.src_rect.y = s_y_0;
splitreq.dst_rect.h = d_h_1;
splitreq.dst_rect.y = d_y_1;
splitreq.src_rect.x = s_x_0;
splitreq.src_rect.w = s_w_0;
splitreq.dst_rect.x = d_x_1;
splitreq.dst_rect.w = d_w_1;
}
ret = mdp_blit_and_wait(mdp, &splitreq,
src_file, src_start, src_len,
dst_file, dst_start, dst_len);
if (ret)
return ret;
/* blit second region */
if (((splitreq.flags & MDP_ROT_MASK) == MDP_ROT_90) ||
((splitreq.flags & MDP_ROT_MASK) == 0x0)) {
splitreq.src_rect.h = s_h_1;
splitreq.src_rect.y = s_y_1;
splitreq.dst_rect.h = d_h_1;
splitreq.dst_rect.y = d_y_1;
splitreq.src_rect.x = s_x_1;
splitreq.src_rect.w = s_w_1;
splitreq.dst_rect.x = d_x_1;
splitreq.dst_rect.w = d_w_1;
} else {
splitreq.src_rect.h = s_h_1;
splitreq.src_rect.y = s_y_1;
splitreq.dst_rect.h = d_h_0;
splitreq.dst_rect.y = d_y_0;
splitreq.src_rect.x = s_x_1;
splitreq.src_rect.w = s_w_1;
splitreq.dst_rect.x = d_x_0;
splitreq.dst_rect.w = d_w_0;
}
ret = mdp_blit_and_wait(mdp, &splitreq,
src_file, src_start, src_len,
dst_file, dst_start, dst_len);
return ret;
}
/* Splits a blit into two vertical stripes. Used to work around MDP bugs */
int mdp_ppp_blit_split_width(struct mdp_info *mdp, const 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)
{
int ret;
struct mdp_blit_req splitreq;
int s_x_0, s_x_1, s_w_0, s_w_1, s_y_0, s_y_1, s_h_0, s_h_1;
int d_x_0, d_x_1, d_w_0, d_w_1, d_y_0, d_y_1, d_h_0, d_h_1;
splitreq = *req;
/* break dest roi at width*/
d_y_0 = d_y_1 = req->dst_rect.y;
d_h_0 = d_h_1 = req->dst_rect.h;
d_x_0 = req->dst_rect.x;
if (req->dst_rect.w % 32 == 6)
d_w_1 = req->dst_rect.w / 2 - 1;
else if (req->dst_rect.w % 2 == 0)
d_w_1 = req->dst_rect.w / 2;
else if (req->dst_rect.w % 32 == 3)
d_w_1 = (req->dst_rect.w - 3) / 2 - 1;
else
d_w_1 = (req->dst_rect.w - 1) / 2 - 1;
d_w_0 = req->dst_rect.w - d_w_1;
d_x_1 = d_x_0 + d_w_0;
if (req->dst_rect.w == 3) {
d_w_1 = 2;
d_w_0 = 2;
d_x_1 = d_x_0 + 1;
}
/* break src roi at height or width*/
if (splitreq.flags & MDP_ROT_90) {
s_x_0 = s_x_1 = req->src_rect.x;
s_w_0 = s_w_1 = req->src_rect.w;
s_y_0 = req->src_rect.y;
s_h_1 = (req->src_rect.h * d_w_1) / req->dst_rect.w;
s_h_0 = req->src_rect.h - s_h_1;
s_y_1 = s_y_0 + s_h_0;
if (d_w_1 >= 8 * s_h_1) {
s_h_1++;
s_y_1--;
}
} else {
s_y_0 = s_y_1 = req->src_rect.y;
s_h_0 = s_h_1 = req->src_rect.h;
s_x_0 = req->src_rect.x;
s_w_1 = (req->src_rect.w * d_w_1) / req->dst_rect.w;
s_w_0 = req->src_rect.w - s_w_1;
s_x_1 = s_x_0 + s_w_0;
if (d_w_1 >= 8 * s_w_1) {
s_w_1++;
s_x_1--;
}
}
/* blit first region */
if (((splitreq.flags & MDP_ROT_MASK) == MDP_ROT_270) ||
((splitreq.flags & MDP_ROT_MASK) == 0x0)) {
splitreq.src_rect.h = s_h_0;
splitreq.src_rect.y = s_y_0;
splitreq.dst_rect.h = d_h_0;
splitreq.dst_rect.y = d_y_0;
splitreq.src_rect.x = s_x_0;
splitreq.src_rect.w = s_w_0;
splitreq.dst_rect.x = d_x_0;
splitreq.dst_rect.w = d_w_0;
} else {
splitreq.src_rect.h = s_h_0;
splitreq.src_rect.y = s_y_0;
splitreq.dst_rect.h = d_h_1;
splitreq.dst_rect.y = d_y_1;
splitreq.src_rect.x = s_x_0;
splitreq.src_rect.w = s_w_0;
splitreq.dst_rect.x = d_x_1;
splitreq.dst_rect.w = d_w_1;
}
if (unlikely((splitreq.dst_rect.h != 1) &&
((splitreq.dst_rect.h % 32 == 3) ||
(splitreq.dst_rect.h % 32) == 1)))
ret = mdp_ppp_blit_split_height(mdp, &splitreq,
src_file, src_start, src_len,
dst_file, dst_start, dst_len);
else
ret = mdp_blit_and_wait(mdp, &splitreq,
src_file, src_start, src_len,
dst_file, dst_start, dst_len);
if (ret)
return ret;
/* blit second region */
if (((splitreq.flags & MDP_ROT_MASK) == MDP_ROT_270) ||
((splitreq.flags & MDP_ROT_MASK) == 0x0)) {
splitreq.src_rect.h = s_h_1;
splitreq.src_rect.y = s_y_1;
splitreq.dst_rect.h = d_h_1;
splitreq.dst_rect.y = d_y_1;
splitreq.src_rect.x = s_x_1;
splitreq.src_rect.w = s_w_1;
splitreq.dst_rect.x = d_x_1;
splitreq.dst_rect.w = d_w_1;
} else {
splitreq.src_rect.h = s_h_1;
splitreq.src_rect.y = s_y_1;
splitreq.dst_rect.h = d_h_0;
splitreq.dst_rect.y = d_y_0;
splitreq.src_rect.x = s_x_1;
splitreq.src_rect.w = s_w_1;
splitreq.dst_rect.x = d_x_0;
splitreq.dst_rect.w = d_w_0;
}
if (unlikely((splitreq.dst_rect.h != 1) &&
((splitreq.dst_rect.h % 32 == 3) ||
(splitreq.dst_rect.h % 32) == 1)))
ret = mdp_ppp_blit_split_height(mdp, &splitreq,
src_file, src_start, src_len,
dst_file, dst_start, dst_len);
else
ret = mdp_blit_and_wait(mdp, &splitreq,
src_file, src_start, src_len,
dst_file, dst_start, dst_len);
return ret;
}
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