diff options
Diffstat (limited to 'exynos/exynos_fimg2d.c')
-rw-r--r-- | exynos/exynos_fimg2d.c | 630 |
1 files changed, 630 insertions, 0 deletions
diff --git a/exynos/exynos_fimg2d.c b/exynos/exynos_fimg2d.c new file mode 100644 index 00000000..cf712a8e --- /dev/null +++ b/exynos/exynos_fimg2d.c @@ -0,0 +1,630 @@ +/* + * Copyright (C) 2013 Samsung Electronics Co.Ltd + * Authors: + * Inki Dae <inki.dae@samsung.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <errno.h> + +#include <sys/mman.h> +#include <linux/stddef.h> + +#include <xf86drm.h> + +#include "exynos_drm.h" +#include "fimg2d_reg.h" +#include "fimg2d.h" + +#define SET_BF(val, sc, si, scsa, scda, dc, di, dcsa, dcda) \ + val.data.src_coeff = sc; \ + val.data.inv_src_color_coeff = si; \ + val.data.src_coeff_src_a = scsa; \ + val.data.src_coeff_dst_a = scda; \ + val.data.dst_coeff = dc; \ + val.data.inv_dst_color_coeff = di; \ + val.data.dst_coeff_src_a = dcsa; \ + val.data.dst_coeff_dst_a = dcda; + +#define MIN(a, b) ((a) < (b) ? (a) : (b)) + +static unsigned int g2d_get_blend_op(enum e_g2d_op op) +{ + union g2d_blend_func_val val; + + val.val = 0; + + switch (op) { + case G2D_OP_CLEAR: + case G2D_OP_DISJOINT_CLEAR: + case G2D_OP_CONJOINT_CLEAR: + SET_BF(val, G2D_COEFF_MODE_ZERO, 0, 0, 0, G2D_COEFF_MODE_ZERO, + 0, 0, 0); + break; + case G2D_OP_SRC: + case G2D_OP_DISJOINT_SRC: + case G2D_OP_CONJOINT_SRC: + SET_BF(val, G2D_COEFF_MODE_ONE, 0, 0, 0, G2D_COEFF_MODE_ZERO, + 0, 0, 0); + break; + case G2D_OP_DST: + case G2D_OP_DISJOINT_DST: + case G2D_OP_CONJOINT_DST: + SET_BF(val, G2D_COEFF_MODE_ZERO, 0, 0, 0, G2D_COEFF_MODE_ONE, + 0, 0, 0); + break; + case G2D_OP_OVER: + SET_BF(val, G2D_COEFF_MODE_ONE, 0, 0, 0, + G2D_COEFF_MODE_SRC_ALPHA, 1, 0, 0); + break; + default: + fprintf(stderr, "Not support operation(%d).\n", op); + SET_BF(val, G2D_COEFF_MODE_ONE, 0, 0, 0, G2D_COEFF_MODE_ZERO, + 0, 0, 0); + break; + } + + return val.val; +} + +/* + * g2d_add_cmd - set given command and value to user side command buffer. + * + * @ctx: a pointer to g2d_context structure. + * @cmd: command data. + * @value: value data. + */ +static int g2d_add_cmd(struct g2d_context *ctx, unsigned long cmd, + unsigned long value) +{ + switch (cmd & ~(G2D_BUF_USERPTR)) { + case SRC_BASE_ADDR_REG: + case SRC_PLANE2_BASE_ADDR_REG: + case DST_BASE_ADDR_REG: + case DST_PLANE2_BASE_ADDR_REG: + case PAT_BASE_ADDR_REG: + case MASK_BASE_ADDR_REG: + if (ctx->cmd_buf_nr >= G2D_MAX_GEM_CMD_NR) { + fprintf(stderr, "Overflow cmd_gem size.\n"); + return -EINVAL; + } + + ctx->cmd_buf[ctx->cmd_buf_nr].offset = cmd; + ctx->cmd_buf[ctx->cmd_buf_nr].data = value; + ctx->cmd_buf_nr++; + break; + default: + if (ctx->cmd_nr >= G2D_MAX_CMD_NR) { + fprintf(stderr, "Overflow cmd size.\n"); + return -EINVAL; + } + + ctx->cmd[ctx->cmd_nr].offset = cmd; + ctx->cmd[ctx->cmd_nr].data = value; + ctx->cmd_nr++; + break; + } + + return TRUE; +} + +/* + * g2d_reset - reset fimg2d hardware. + * + * @ctx: a pointer to g2d_context structure. + * + */ +static void g2d_reset(struct g2d_context *ctx) +{ + ctx->cmd_nr = 0; + ctx->cmd_buf_nr = 0; + + g2d_add_cmd(ctx, SOFT_RESET_REG, 0x01); +} + +/* + * g2d_flush - summit all commands and values in user side command buffer + * to command queue aware of fimg2d dma. + * + * @ctx: a pointer to g2d_context structure. + * + * This function should be called after all commands and values to user + * side command buffer is set to summit that buffer to kernel side driver. + */ +static int g2d_flush(struct g2d_context *ctx) +{ + int ret; + struct drm_exynos_g2d_set_cmdlist cmdlist; + + if (ctx->cmd_nr == 0 && ctx->cmd_buf_nr == 0) + return FALSE; + + if (ctx->cmdlist_nr >= G2D_MAX_CMD_LIST_NR) { + fprintf(stderr, "Overflow cmdlist.\n"); + return -EINVAL; + } + + memset(&cmdlist, 0, sizeof(struct drm_exynos_g2d_set_cmdlist)); + + cmdlist.cmd = (unsigned int)&ctx->cmd[0]; + cmdlist.cmd_buf = (unsigned int)&ctx->cmd_buf[0]; + cmdlist.cmd_nr = ctx->cmd_nr; + cmdlist.cmd_buf_nr = ctx->cmd_buf_nr; + cmdlist.event_type = G2D_EVENT_NOT; + cmdlist.user_data = 0; + + ctx->cmd_nr = 0; + ctx->cmd_buf_nr = 0; + + ret = drmIoctl(ctx->fd, DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST, &cmdlist); + if (ret < 0) { + fprintf(stderr, "failed to set cmdlist.\n"); + return ret; + } + + ctx->cmdlist_nr++; + + return ret; +} + +/** + * g2d_init - create a new g2d context and get hardware version. + * + * fd: a file descriptor to drm device driver opened. + */ +struct g2d_context *g2d_init(int fd) +{ + struct drm_exynos_g2d_get_ver ver; + struct g2d_context *ctx; + int ret; + + ctx = calloc(1, sizeof(*ctx)); + if (!ctx) { + fprintf(stderr, "failed to allocate context.\n"); + return NULL; + } + + ctx->fd = fd; + + ret = drmIoctl(fd, DRM_IOCTL_EXYNOS_G2D_GET_VER, &ver); + if (ret < 0) { + fprintf(stderr, "failed to get version.\n"); + free(ctx); + return NULL; + } + + ctx->major = ver.major; + ctx->minor = ver.minor; + + printf("g2d version(%d.%d).\n", ctx->major, ctx->minor); + return ctx; +} + +void g2d_fini(struct g2d_context *ctx) +{ + if (ctx) + free(ctx); +} + +/** + * g2d_exec - start the dma to process all commands summited by g2d_flush(). + * + * @ctx: a pointer to g2d_context structure. + */ +int g2d_exec(struct g2d_context *ctx) +{ + struct drm_exynos_g2d_exec exec; + int ret; + + if (ctx->cmdlist_nr == 0) + return -EINVAL; + + exec.async = 0; + + ret = drmIoctl(ctx->fd, DRM_IOCTL_EXYNOS_G2D_EXEC, &exec); + if (ret < 0) { + fprintf(stderr, "failed to execute.\n"); + return ret; + } + + ctx->cmdlist_nr = 0; + + return ret; +} + +/** + * g2d_solid_fill - fill given buffer with given color data. + * + * @ctx: a pointer to g2d_context structure. + * @img: a pointer to g2d_image structure including image and buffer + * information. + * @x: x start position to buffer filled with given color data. + * @y: y start position to buffer filled with given color data. + * @w: width value to buffer filled with given color data. + * @h: height value to buffer filled with given color data. + */ +int g2d_solid_fill(struct g2d_context *ctx, struct g2d_image *img, + unsigned int x, unsigned int y, unsigned int w, + unsigned int h) +{ + union g2d_bitblt_cmd_val bitblt; + union g2d_point_val pt; + + g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_NORMAL); + g2d_add_cmd(ctx, DST_COLOR_MODE_REG, img->color_mode); + + if (img->buf_type == G2D_IMGBUF_USERPTR) + g2d_add_cmd(ctx, DST_BASE_ADDR_REG | G2D_BUF_USERPTR, + (unsigned long)&img->user_ptr[0]); + else + g2d_add_cmd(ctx, DST_BASE_ADDR_REG, img->bo[0]); + + g2d_add_cmd(ctx, DST_STRIDE_REG, img->stride); + + if (x + w > img->width) + w = img->width - x; + if (y + h > img->height) + h = img->height - y; + + pt.val = 0; + pt.data.x = x; + pt.data.y = y; + g2d_add_cmd(ctx, DST_LEFT_TOP_REG, pt.val); + + pt.val = 0; + pt.data.x = x + w; + pt.data.y = y + h; + + g2d_add_cmd(ctx, DST_RIGHT_BOTTOM_REG, pt.val); + + g2d_add_cmd(ctx, SF_COLOR_REG, img->color); + + bitblt.val = 0; + bitblt.data.fast_solid_color_fill_en = 1; + g2d_add_cmd(ctx, BITBLT_COMMAND_REG, bitblt.val); + + g2d_flush(ctx); + + return 0; +} + +/** + * g2d_copy - copy contents in source buffer to destination buffer. + * + * @ctx: a pointer to g2d_context structure. + * @src: a pointer to g2d_image structure including image and buffer + * information to source. + * @dst: a pointer to g2d_image structure including image and buffer + * information to destination. + * @src_x: x start position to source buffer. + * @src_y: y start position to source buffer. + * @dst_x: x start position to destination buffer. + * @dst_y: y start position to destination buffer. + * @w: width value to source and destination buffers. + * @h: height value to source and destination buffers. + */ +int g2d_copy(struct g2d_context *ctx, struct g2d_image *src, + struct g2d_image *dst, unsigned int src_x, unsigned int src_y, + unsigned int dst_x, unsigned dst_y, unsigned int w, + unsigned int h) +{ + union g2d_rop4_val rop4; + union g2d_point_val pt; + unsigned int src_w = 0, src_h = 0, dst_w = 0, dst_h = 0; + + g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_BGCOLOR); + g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode); + if (dst->buf_type == G2D_IMGBUF_USERPTR) + g2d_add_cmd(ctx, DST_BASE_ADDR_REG | G2D_BUF_USERPTR, + (unsigned long)&dst->user_ptr[0]); + else + g2d_add_cmd(ctx, DST_BASE_ADDR_REG, dst->bo[0]); + + g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride); + + g2d_add_cmd(ctx, SRC_SELECT_REG, G2D_SELECT_MODE_NORMAL); + g2d_add_cmd(ctx, SRC_COLOR_MODE_REG, src->color_mode); + if (src->buf_type == G2D_IMGBUF_USERPTR) + g2d_add_cmd(ctx, SRC_BASE_ADDR_REG | G2D_BUF_USERPTR, + (unsigned long)&src->user_ptr[0]); + else + g2d_add_cmd(ctx, SRC_BASE_ADDR_REG, src->bo[0]); + + g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride); + + src_w = w; + src_h = h; + if (src_x + src->width > w) + src_w = src->width - src_x; + if (src_y + src->height > h) + src_h = src->height - src_y; + + dst_w = w; + dst_h = w; + if (dst_x + dst->width > w) + dst_w = dst->width - dst_x; + if (dst_y + dst->height > h) + dst_h = dst->height - dst_y; + + w = MIN(src_w, dst_w); + h = MIN(src_h, dst_h); + + if (w <= 0 || h <= 0) { + fprintf(stderr, "invalid width or height.\n"); + g2d_reset(ctx); + return -EINVAL; + } + + pt.val = 0; + pt.data.x = src_x; + pt.data.y = src_y; + g2d_add_cmd(ctx, SRC_LEFT_TOP_REG, pt.val); + pt.val = 0; + pt.data.x = src_x + w; + pt.data.y = src_y + h; + g2d_add_cmd(ctx, SRC_RIGHT_BOTTOM_REG, pt.val); + + pt.val = 0; + pt.data.x = dst_x; + pt.data.y = dst_y; + g2d_add_cmd(ctx, DST_LEFT_TOP_REG, pt.val); + pt.val = 0; + pt.data.x = dst_x + w; + pt.data.y = dst_x + h; + g2d_add_cmd(ctx, DST_RIGHT_BOTTOM_REG, pt.val); + + rop4.val = 0; + rop4.data.unmasked_rop3 = G2D_ROP3_SRC; + g2d_add_cmd(ctx, ROP4_REG, rop4.val); + + g2d_flush(ctx); + + return 0; +} + +/** + * g2d_copy_with_scale - copy contents in source buffer to destination buffer + * scaling up or down properly. + * + * @ctx: a pointer to g2d_context structure. + * @src: a pointer to g2d_image structure including image and buffer + * information to source. + * @dst: a pointer to g2d_image structure including image and buffer + * information to destination. + * @src_x: x start position to source buffer. + * @src_y: y start position to source buffer. + * @src_w: width value to source buffer. + * @src_h: height value to source buffer. + * @dst_x: x start position to destination buffer. + * @dst_y: y start position to destination buffer. + * @dst_w: width value to destination buffer. + * @dst_h: height value to destination buffer. + * @negative: indicate that it uses color negative to source and + * destination buffers. + */ +int g2d_copy_with_scale(struct g2d_context *ctx, struct g2d_image *src, + struct g2d_image *dst, unsigned int src_x, + unsigned int src_y, unsigned int src_w, + unsigned int src_h, unsigned int dst_x, + unsigned int dst_y, unsigned int dst_w, + unsigned int dst_h, unsigned int negative) +{ + union g2d_rop4_val rop4; + union g2d_point_val pt; + unsigned int scale; + double scale_x = 0.0f, scale_y = 0.0f; + + g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_BGCOLOR); + g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode); + if (dst->buf_type == G2D_IMGBUF_USERPTR) + g2d_add_cmd(ctx, DST_BASE_ADDR_REG | G2D_BUF_USERPTR, + (unsigned long)&dst->user_ptr[0]); + else + g2d_add_cmd(ctx, DST_BASE_ADDR_REG, dst->bo[0]); + + g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride); + + g2d_add_cmd(ctx, SRC_SELECT_REG, G2D_SELECT_MODE_NORMAL); + g2d_add_cmd(ctx, SRC_COLOR_MODE_REG, src->color_mode); + if (src->buf_type == G2D_IMGBUF_USERPTR) + g2d_add_cmd(ctx, SRC_BASE_ADDR_REG | G2D_BUF_USERPTR, + (unsigned long)&src->user_ptr[0]); + else + g2d_add_cmd(ctx, SRC_BASE_ADDR_REG, src->bo[0]); + + g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride); + + if (src_w == dst_w && src_h == dst_h) + scale = 0; + else { + scale = 1; + scale_x = (double)src_w / (double)dst_w; + scale_y = (double)src_w / (double)dst_h; + } + + if (src_x + src_w > src->width) + src_w = src->width - src_x; + if (src_y + src_h > src->height) + src_h = src->height - src_y; + + if (dst_x + dst_w > dst->width) + dst_w = dst->width - dst_x; + if (dst_y + dst_h > dst->height) + dst_h = dst->height - dst_y; + + if (src_w <= 0 || src_h <= 0 || dst_w <= 0 || dst_h <= 0) { + fprintf(stderr, "invalid width or height.\n"); + g2d_reset(ctx); + return -EINVAL; + } + + if (negative) { + g2d_add_cmd(ctx, BG_COLOR_REG, 0x00FFFFFF); + rop4.val = 0; + rop4.data.unmasked_rop3 = G2D_ROP3_SRC^G2D_ROP3_DST; + g2d_add_cmd(ctx, ROP4_REG, rop4.val); + } else { + rop4.val = 0; + rop4.data.unmasked_rop3 = G2D_ROP3_SRC; + g2d_add_cmd(ctx, ROP4_REG, rop4.val); + } + + if (scale) { + g2d_add_cmd(ctx, SRC_SCALE_CTRL_REG, G2D_SCALE_MODE_BILINEAR); + g2d_add_cmd(ctx, SRC_XSCALE_REG, G2D_DOUBLE_TO_FIXED(scale_x)); + g2d_add_cmd(ctx, SRC_YSCALE_REG, G2D_DOUBLE_TO_FIXED(scale_y)); + } + + pt.val = 0; + pt.data.x = src_x; + pt.data.y = src_y; + g2d_add_cmd(ctx, SRC_LEFT_TOP_REG, pt.val); + pt.val = 0; + pt.data.x = src_x + src_w; + pt.data.y = src_y + src_h; + g2d_add_cmd(ctx, SRC_RIGHT_BOTTOM_REG, pt.val); + + pt.val = 0; + pt.data.x = dst_x; + pt.data.y = dst_y; + g2d_add_cmd(ctx, DST_LEFT_TOP_REG, pt.val); + pt.val = 0; + pt.data.x = dst_x + dst_w; + pt.data.y = dst_y + dst_h; + g2d_add_cmd(ctx, DST_RIGHT_BOTTOM_REG, pt.val); + + g2d_flush(ctx); + + return 0; +} + +/** + * g2d_blend - blend image data in source and destion buffers + * + * @ctx: a pointer to g2d_context structure. + * @src: a pointer to g2d_image structure including image and buffer + * information to source. + * @dst: a pointer to g2d_image structure including image and buffer + * information to destination. + * @src_x: x start position to source buffer. + * @src_y: y start position to source buffer. + * @dst_x: x start position to destination buffer. + * @dst_y: y start position to destination buffer. + * @w: width value to source and destination buffer. + * @h: height value to source and destination buffer. + * @op: blend operation type. + */ +int g2d_blend(struct g2d_context *ctx, struct g2d_image *src, + struct g2d_image *dst, unsigned int src_x, + unsigned int src_y, unsigned int dst_x, unsigned int dst_y, + unsigned int w, unsigned int h, enum e_g2d_op op) +{ + union g2d_point_val pt; + union g2d_bitblt_cmd_val bitblt; + union g2d_blend_func_val blend; + unsigned int src_w = 0, src_h = 0, dst_w = 0, dst_h = 0; + + bitblt.val = 0; + blend.val = 0; + + if (op == G2D_OP_SRC || op == G2D_OP_CLEAR) + g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_BGCOLOR); + else + g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_NORMAL); + + g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode); + if (dst->buf_type == G2D_IMGBUF_USERPTR) + g2d_add_cmd(ctx, DST_BASE_ADDR_REG | G2D_BUF_USERPTR, + (unsigned long)&dst->user_ptr[0]); + else + g2d_add_cmd(ctx, DST_BASE_ADDR_REG, dst->bo[0]); + + g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride); + + g2d_add_cmd(ctx, SRC_SELECT_REG, src->select_mode); + g2d_add_cmd(ctx, SRC_COLOR_MODE_REG, src->color_mode); + + switch (src->select_mode) { + case G2D_SELECT_MODE_NORMAL: + if (src->buf_type == G2D_IMGBUF_USERPTR) + g2d_add_cmd(ctx, SRC_BASE_ADDR_REG | G2D_BUF_USERPTR, + (unsigned long)&src->user_ptr[0]); + else + g2d_add_cmd(ctx, SRC_BASE_ADDR_REG, src->bo[0]); + + g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride); + break; + case G2D_SELECT_MODE_FGCOLOR: + g2d_add_cmd(ctx, FG_COLOR_REG, src->color); + break; + case G2D_SELECT_MODE_BGCOLOR: + g2d_add_cmd(ctx, BG_COLOR_REG, src->color); + break; + default: + fprintf(stderr , "failed to set src.\n"); + return -EINVAL; + } + + src_w = w; + src_h = h; + if (src_x + w > src->width) + src_w = src->width - src_x; + if (src_y + h > src->height) + src_h = src->height - src_y; + + dst_w = w; + dst_h = h; + if (dst_x + w > dst->width) + dst_w = dst->width - dst_x; + if (dst_y + h > dst->height) + dst_h = dst->height - dst_y; + + w = MIN(src_w, dst_w); + h = MIN(src_h, dst_h); + + if (w <= 0 || h <= 0) { + fprintf(stderr, "invalid width or height.\n"); + g2d_reset(ctx); + return -EINVAL; + } + + bitblt.data.alpha_blend_mode = G2D_ALPHA_BLEND_MODE_ENABLE; + blend.val = g2d_get_blend_op(op); + g2d_add_cmd(ctx, BITBLT_COMMAND_REG, bitblt.val); + g2d_add_cmd(ctx, BLEND_FUNCTION_REG, blend.val); + + pt.val = 0; + pt.data.x = src_x; + pt.data.y = src_y; + g2d_add_cmd(ctx, SRC_LEFT_TOP_REG, pt.val); + pt.val = 0; + pt.data.x = src_x + w; + pt.data.y = src_y + h; + g2d_add_cmd(ctx, SRC_RIGHT_BOTTOM_REG, pt.val); + + pt.val = 0; + pt.data.x = dst_x; + pt.data.y = dst_y; + g2d_add_cmd(ctx, DST_LEFT_TOP_REG, pt.val); + pt.val = 0; + pt.data.x = dst_x + w; + pt.data.y = dst_y + h; + g2d_add_cmd(ctx, DST_RIGHT_BOTTOM_REG, pt.val); + + g2d_flush(ctx); + + return 0; +} + |