diff options
Diffstat (limited to 'drivers/video/msm/mdp_ppp.c')
| -rw-r--r-- | drivers/video/msm/mdp_ppp.c | 730 |
1 files changed, 0 insertions, 730 deletions
diff --git a/drivers/video/msm/mdp_ppp.c b/drivers/video/msm/mdp_ppp.c deleted file mode 100644 index 4ff001f4cbb..00000000000 --- a/drivers/video/msm/mdp_ppp.c +++ /dev/null @@ -1,730 +0,0 @@ -/* 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 <mach/msm_fb.h> - -#include "mdp_hw.h" -#include "mdp_scale_tables.h" - -#define DLOG(x...) do {} while (0) - -#define MDP_DOWNSCALE_BLUR (MDP_DOWNSCALE_MAX + 1) -static int downscale_y_table = MDP_DOWNSCALE_MAX; -static int downscale_x_table = MDP_DOWNSCALE_MAX; - -struct mdp_regs { - uint32_t src0; - uint32_t src1; - uint32_t dst0; - uint32_t dst1; - uint32_t src_cfg; - uint32_t dst_cfg; - uint32_t src_pack; - uint32_t dst_pack; - uint32_t src_rect; - uint32_t dst_rect; - uint32_t src_ystride; - uint32_t dst_ystride; - uint32_t op; - uint32_t src_bpp; - uint32_t dst_bpp; - uint32_t edge; - uint32_t phasex_init; - uint32_t phasey_init; - uint32_t phasex_step; - uint32_t phasey_step; -}; - -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_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 void rotate_dst_addr_x(struct mdp_blit_req *req, struct mdp_regs *regs) -{ - 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; -} - -static void rotate_dst_addr_y(struct mdp_blit_req *req, struct mdp_regs *regs) -{ - 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; -} - -static void blit_rotate(struct mdp_blit_req *req, - struct mdp_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 mdp_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; - } else if (IS_YCRCB(req->src.format) && IS_RGB(req->dst.format)) { - regs->op |= PPP_OP_CONVERT_YCBCR2RGB | PPP_OP_CONVERT_ON; - if (req->dst.format == MDP_RGB_565) - regs->op |= PPP_OP_CONVERT_MATRIX_SECONDARY; - } -} - -#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 mdp_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)) { - regs->op |= PPP_OP_ROT_ON | PPP_OP_BLEND_ON | - PPP_OP_BLEND_SRCPIXEL_ALPHA; - } 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]; -} - -#define ONE_HALF (1LL << 32) -#define ONE (1LL << 33) -#define TWO (2LL << 33) -#define THREE (3LL << 33) -#define FRAC_MASK (ONE - 1) -#define INT_MASK (~FRAC_MASK) - -static int scale_params(uint32_t dim_in, uint32_t dim_out, uint32_t origin, - uint32_t *phase_init, uint32_t *phase_step) -{ - /* to improve precicsion calculations are done in U31.33 and converted - * to U3.29 at the end */ - int64_t k1, k2, k3, k4, tmp; - uint64_t n, d, os, os_p, od, od_p, oreq; - unsigned rpa = 0; - int64_t ip64, delta; - - if (dim_out % 3 == 0) - rpa = !(dim_in % (dim_out / 3)); - - n = ((uint64_t)dim_out) << 34; - d = dim_in; - if (!d) - return -1; - do_div(n, d); - k3 = (n + 1) >> 1; - if ((k3 >> 4) < (1LL << 27) || (k3 >> 4) > (1LL << 31)) { - DLOG("crap bad scale\n"); - return -1; - } - n = ((uint64_t)dim_in) << 34; - d = (uint64_t)dim_out; - if (!d) - return -1; - do_div(n, d); - k1 = (n + 1) >> 1; - k2 = (k1 - ONE) >> 1; - - *phase_init = (int)(k2 >> 4); - k4 = (k3 - ONE) >> 1; - - if (rpa) { - os = ((uint64_t)origin << 33) - ONE_HALF; - tmp = (dim_out * os) + ONE_HALF; - if (!dim_in) - return -1; - do_div(tmp, dim_in); - od = tmp - ONE_HALF; - } else { - os = ((uint64_t)origin << 1) - 1; - od = (((k3 * os) >> 1) + k4); - } - - od_p = od & INT_MASK; - if (od_p != od) - od_p += ONE; - - if (rpa) { - tmp = (dim_in * od_p) + ONE_HALF; - if (!dim_in) - return -1; - do_div(tmp, dim_in); - os_p = tmp - ONE_HALF; - } else { - os_p = ((k1 * (od_p >> 33)) + k2); - } - - oreq = (os_p & INT_MASK) - ONE; - - ip64 = os_p - oreq; - delta = ((int64_t)(origin) << 33) - oreq; - ip64 -= delta; - /* limit to valid range before the left shift */ - delta = (ip64 & (1LL << 63)) ? 4 : -4; - delta <<= 33; - while (abs((int)(ip64 >> 33)) > 4) - ip64 += delta; - *phase_init = (int)(ip64 >> 4); - *phase_step = (uint32_t)(k1 >> 4); - return 0; -} - -static void load_scale_table(const struct mdp_info *mdp, - struct mdp_table_entry *table, int len) -{ - int i; - for (i = 0; i < len; i++) - mdp_writel(mdp, table[i].val, table[i].reg); -} - -enum { -IMG_LEFT, -IMG_RIGHT, -IMG_TOP, -IMG_BOTTOM, -}; - -static void get_edge_info(uint32_t src, uint32_t src_coord, uint32_t dst, - uint32_t *interp1, uint32_t *interp2, - uint32_t *repeat1, uint32_t *repeat2) { - if (src > 3 * dst) { - *interp1 = 0; - *interp2 = src - 1; - *repeat1 = 0; - *repeat2 = 0; - } else if (src == 3 * dst) { - *interp1 = 0; - *interp2 = src; - *repeat1 = 0; - *repeat2 = 1; - } else if (src > dst && src < 3 * dst) { - *interp1 = -1; - *interp2 = src; - *repeat1 = 1; - *repeat2 = 1; - } else if (src == dst) { - *interp1 = -1; - *interp2 = src + 1; - *repeat1 = 1; - *repeat2 = 2; - } else { - *interp1 = -2; - *interp2 = src + 1; - *repeat1 = 2; - *repeat2 = 2; - } - *interp1 += src_coord; - *interp2 += src_coord; -} - -static int get_edge_cond(struct mdp_blit_req *req, struct mdp_regs *regs) -{ - int32_t luma_interp[4]; - int32_t luma_repeat[4]; - int32_t chroma_interp[4]; - int32_t chroma_bound[4]; - int32_t chroma_repeat[4]; - uint32_t dst_w, dst_h; - - memset(&luma_interp, 0, sizeof(int32_t) * 4); - 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) -{ -} - -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; -} |