diff options
Diffstat (limited to 'kernel/drivers/video/fbdev/msm/mdp_ppp.c')
| -rw-r--r-- | kernel/drivers/video/fbdev/msm/mdp_ppp.c | 731 |
1 files changed, 731 insertions, 0 deletions
diff --git a/kernel/drivers/video/fbdev/msm/mdp_ppp.c b/kernel/drivers/video/fbdev/msm/mdp_ppp.c new file mode 100644 index 000000000..be6079cdf --- /dev/null +++ b/kernel/drivers/video/fbdev/msm/mdp_ppp.c @@ -0,0 +1,731 @@ +/* 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/platform_data/video-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_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 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; +} |