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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-09-24 21:22:33 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-09-24 21:22:33 +0100
commitbaea7b946f00a291b166ccae7fcfed6c01530cc6 (patch)
tree4aa275fbdbec9c7b9b4629e8bee2bbecd3c6a6af /drivers/video/msm/mdp_ppp.c
parentae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (diff)
parent94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff)
Merge branch 'origin' into for-linus
Conflicts: MAINTAINERS
Diffstat (limited to 'drivers/video/msm/mdp_ppp.c')
-rw-r--r--drivers/video/msm/mdp_ppp.c750
1 files changed, 750 insertions, 0 deletions
diff --git a/drivers/video/msm/mdp_ppp.c b/drivers/video/msm/mdp_ppp.c
new file mode 100644
index 00000000000..ba2c4673b64
--- /dev/null
+++ b/drivers/video/msm/mdp_ppp.c
@@ -0,0 +1,750 @@
+/* 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_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)
+{
+#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, &regs.src1, &regs.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, &regs.dst1, &regs.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,
+ &regs)) {
+ 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, &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 "mpd_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 (get_edge_cond(req, &regs))
+ return -EINVAL;
+
+ send_blit(mdp, req, &regs, src_file, dst_file);
+ return 0;
+}