diff options
Diffstat (limited to 'drivers/media/platform/rockchip/rga/rga-hw.c')
| -rw-r--r-- | drivers/media/platform/rockchip/rga/rga-hw.c | 146 |
1 files changed, 92 insertions, 54 deletions
diff --git a/drivers/media/platform/rockchip/rga/rga-hw.c b/drivers/media/platform/rockchip/rga/rga-hw.c index aaa96f256356..11c3d7234757 100644 --- a/drivers/media/platform/rockchip/rga/rga-hw.c +++ b/drivers/media/platform/rockchip/rga/rga-hw.c @@ -16,12 +16,6 @@ enum e_rga_start_pos { RB = 3, }; -struct rga_addr_offset { - unsigned int y_off; - unsigned int u_off; - unsigned int v_off; -}; - struct rga_corners_addr_offset { struct rga_addr_offset left_top; struct rga_addr_offset right_top; @@ -43,13 +37,13 @@ static unsigned int rga_get_scaling(unsigned int src, unsigned int dst) } static struct rga_corners_addr_offset -rga_get_addr_offset(struct rga_frame *frm, unsigned int x, unsigned int y, - unsigned int w, unsigned int h) +rga_get_addr_offset(struct rga_frame *frm, struct rga_addr_offset *offset, + unsigned int x, unsigned int y, unsigned int w, unsigned int h) { struct rga_corners_addr_offset offsets; struct rga_addr_offset *lt, *lb, *rt, *rb; unsigned int x_div = 0, - y_div = 0, uv_stride = 0, pixel_width = 0, uv_factor = 0; + y_div = 0, uv_stride = 0, pixel_width = 0; lt = &offsets.left_top; lb = &offsets.left_bottom; @@ -58,14 +52,12 @@ rga_get_addr_offset(struct rga_frame *frm, unsigned int x, unsigned int y, x_div = frm->fmt->x_div; y_div = frm->fmt->y_div; - uv_factor = frm->fmt->uv_factor; uv_stride = frm->stride / x_div; pixel_width = frm->stride / frm->width; - lt->y_off = y * frm->stride + x * pixel_width; - lt->u_off = - frm->width * frm->height + (y / y_div) * uv_stride + x / x_div; - lt->v_off = lt->u_off + frm->width * frm->height / uv_factor; + lt->y_off = offset->y_off + y * frm->stride + x * pixel_width; + lt->u_off = offset->u_off + (y / y_div) * uv_stride + x / x_div; + lt->v_off = offset->v_off + (y / y_div) * uv_stride + x / x_div; lb->y_off = lt->y_off + (h - 1) * frm->stride; lb->u_off = lt->u_off + (h / y_div - 1) * uv_stride; @@ -119,40 +111,40 @@ static struct rga_addr_offset *rga_lookup_draw_pos(struct return NULL; } -static void rga_cmd_set_src_addr(struct rga_ctx *ctx, void *mmu_pages) +static void rga_cmd_set_src_addr(struct rga_ctx *ctx, dma_addr_t dma_addr) { struct rockchip_rga *rga = ctx->rga; u32 *dest = rga->cmdbuf_virt; unsigned int reg; reg = RGA_MMU_SRC_BASE - RGA_MODE_BASE_REG; - dest[reg >> 2] = virt_to_phys(mmu_pages) >> 4; + dest[reg >> 2] = dma_addr >> 4; reg = RGA_MMU_CTRL1 - RGA_MODE_BASE_REG; dest[reg >> 2] |= 0x7; } -static void rga_cmd_set_src1_addr(struct rga_ctx *ctx, void *mmu_pages) +static void rga_cmd_set_src1_addr(struct rga_ctx *ctx, dma_addr_t dma_addr) { struct rockchip_rga *rga = ctx->rga; u32 *dest = rga->cmdbuf_virt; unsigned int reg; reg = RGA_MMU_SRC1_BASE - RGA_MODE_BASE_REG; - dest[reg >> 2] = virt_to_phys(mmu_pages) >> 4; + dest[reg >> 2] = dma_addr >> 4; reg = RGA_MMU_CTRL1 - RGA_MODE_BASE_REG; dest[reg >> 2] |= 0x7 << 4; } -static void rga_cmd_set_dst_addr(struct rga_ctx *ctx, void *mmu_pages) +static void rga_cmd_set_dst_addr(struct rga_ctx *ctx, dma_addr_t dma_addr) { struct rockchip_rga *rga = ctx->rga; u32 *dest = rga->cmdbuf_virt; unsigned int reg; reg = RGA_MMU_DST_BASE - RGA_MODE_BASE_REG; - dest[reg >> 2] = virt_to_phys(mmu_pages) >> 4; + dest[reg >> 2] = dma_addr >> 4; reg = RGA_MMU_CTRL1 - RGA_MODE_BASE_REG; dest[reg >> 2] |= 0x7 << 8; @@ -163,7 +155,7 @@ static void rga_cmd_set_trans_info(struct rga_ctx *ctx) struct rockchip_rga *rga = ctx->rga; u32 *dest = rga->cmdbuf_virt; unsigned int scale_dst_w, scale_dst_h; - unsigned int src_h, src_w, src_x, src_y, dst_h, dst_w, dst_x, dst_y; + unsigned int src_h, src_w, dst_h, dst_w; union rga_src_info src_info; union rga_dst_info dst_info; union rga_src_x_factor x_factor; @@ -173,18 +165,10 @@ static void rga_cmd_set_trans_info(struct rga_ctx *ctx) union rga_dst_vir_info dst_vir_info; union rga_dst_act_info dst_act_info; - struct rga_addr_offset *dst_offset; - struct rga_corners_addr_offset offsets; - struct rga_corners_addr_offset src_offsets; - src_h = ctx->in.crop.height; src_w = ctx->in.crop.width; - src_x = ctx->in.crop.left; - src_y = ctx->in.crop.top; dst_h = ctx->out.crop.height; dst_w = ctx->out.crop.width; - dst_x = ctx->out.crop.left; - dst_y = ctx->out.crop.top; src_info.val = dest[(RGA_SRC_INFO - RGA_MODE_BASE_REG) >> 2]; dst_info.val = dest[(RGA_DST_INFO - RGA_MODE_BASE_REG) >> 2]; @@ -312,18 +296,37 @@ static void rga_cmd_set_trans_info(struct rga_ctx *ctx) dst_act_info.data.act_height = dst_h - 1; dst_act_info.data.act_width = dst_w - 1; - /* - * Calculate the source framebuffer base address with offset pixel. - */ - src_offsets = rga_get_addr_offset(&ctx->in, src_x, src_y, - src_w, src_h); + dest[(RGA_SRC_X_FACTOR - RGA_MODE_BASE_REG) >> 2] = x_factor.val; + dest[(RGA_SRC_Y_FACTOR - RGA_MODE_BASE_REG) >> 2] = y_factor.val; + dest[(RGA_SRC_VIR_INFO - RGA_MODE_BASE_REG) >> 2] = src_vir_info.val; + dest[(RGA_SRC_ACT_INFO - RGA_MODE_BASE_REG) >> 2] = src_act_info.val; + + dest[(RGA_SRC_INFO - RGA_MODE_BASE_REG) >> 2] = src_info.val; + + dest[(RGA_DST_VIR_INFO - RGA_MODE_BASE_REG) >> 2] = dst_vir_info.val; + dest[(RGA_DST_ACT_INFO - RGA_MODE_BASE_REG) >> 2] = dst_act_info.val; + + dest[(RGA_DST_INFO - RGA_MODE_BASE_REG) >> 2] = dst_info.val; +} + +static void rga_cmd_set_src_info(struct rga_ctx *ctx, + struct rga_addr_offset *offset) +{ + struct rga_corners_addr_offset src_offsets; + struct rockchip_rga *rga = ctx->rga; + u32 *dest = rga->cmdbuf_virt; + unsigned int src_h, src_w, src_x, src_y; + + src_h = ctx->in.crop.height; + src_w = ctx->in.crop.width; + src_x = ctx->in.crop.left; + src_y = ctx->in.crop.top; /* - * Configure the dest framebuffer base address with pixel offset. + * Calculate the source framebuffer base address with offset pixel. */ - offsets = rga_get_addr_offset(&ctx->out, dst_x, dst_y, dst_w, dst_h); - dst_offset = rga_lookup_draw_pos(&offsets, src_info.data.rot_mode, - src_info.data.mir_mode); + src_offsets = rga_get_addr_offset(&ctx->in, offset, + src_x, src_y, src_w, src_h); dest[(RGA_SRC_Y_RGB_BASE_ADDR - RGA_MODE_BASE_REG) >> 2] = src_offsets.left_top.y_off; @@ -331,13 +334,49 @@ static void rga_cmd_set_trans_info(struct rga_ctx *ctx) src_offsets.left_top.u_off; dest[(RGA_SRC_CR_BASE_ADDR - RGA_MODE_BASE_REG) >> 2] = src_offsets.left_top.v_off; +} - dest[(RGA_SRC_X_FACTOR - RGA_MODE_BASE_REG) >> 2] = x_factor.val; - dest[(RGA_SRC_Y_FACTOR - RGA_MODE_BASE_REG) >> 2] = y_factor.val; - dest[(RGA_SRC_VIR_INFO - RGA_MODE_BASE_REG) >> 2] = src_vir_info.val; - dest[(RGA_SRC_ACT_INFO - RGA_MODE_BASE_REG) >> 2] = src_act_info.val; +static void rga_cmd_set_dst_info(struct rga_ctx *ctx, + struct rga_addr_offset *offset) +{ + struct rga_addr_offset *dst_offset; + struct rga_corners_addr_offset offsets; + struct rockchip_rga *rga = ctx->rga; + u32 *dest = rga->cmdbuf_virt; + unsigned int dst_h, dst_w, dst_x, dst_y; + unsigned int mir_mode = 0; + unsigned int rot_mode = 0; - dest[(RGA_SRC_INFO - RGA_MODE_BASE_REG) >> 2] = src_info.val; + dst_h = ctx->out.crop.height; + dst_w = ctx->out.crop.width; + dst_x = ctx->out.crop.left; + dst_y = ctx->out.crop.top; + + if (ctx->vflip) + mir_mode |= RGA_SRC_MIRR_MODE_X; + if (ctx->hflip) + mir_mode |= RGA_SRC_MIRR_MODE_Y; + + switch (ctx->rotate) { + case 90: + rot_mode = RGA_SRC_ROT_MODE_90_DEGREE; + break; + case 180: + rot_mode = RGA_SRC_ROT_MODE_180_DEGREE; + break; + case 270: + rot_mode = RGA_SRC_ROT_MODE_270_DEGREE; + break; + default: + rot_mode = RGA_SRC_ROT_MODE_0_DEGREE; + break; + } + + /* + * Configure the dest framebuffer base address with pixel offset. + */ + offsets = rga_get_addr_offset(&ctx->out, offset, dst_x, dst_y, dst_w, dst_h); + dst_offset = rga_lookup_draw_pos(&offsets, mir_mode, rot_mode); dest[(RGA_DST_Y_RGB_BASE_ADDR - RGA_MODE_BASE_REG) >> 2] = dst_offset->y_off; @@ -345,11 +384,6 @@ static void rga_cmd_set_trans_info(struct rga_ctx *ctx) dst_offset->u_off; dest[(RGA_DST_CR_BASE_ADDR - RGA_MODE_BASE_REG) >> 2] = dst_offset->v_off; - - dest[(RGA_DST_VIR_INFO - RGA_MODE_BASE_REG) >> 2] = dst_vir_info.val; - dest[(RGA_DST_ACT_INFO - RGA_MODE_BASE_REG) >> 2] = dst_act_info.val; - - dest[(RGA_DST_INFO - RGA_MODE_BASE_REG) >> 2] = dst_info.val; } static void rga_cmd_set_mode(struct rga_ctx *ctx) @@ -375,22 +409,25 @@ static void rga_cmd_set_mode(struct rga_ctx *ctx) dest[(RGA_MODE_CTRL - RGA_MODE_BASE_REG) >> 2] = mode.val; } -static void rga_cmd_set(struct rga_ctx *ctx) +static void rga_cmd_set(struct rga_ctx *ctx, + struct rga_vb_buffer *src, struct rga_vb_buffer *dst) { struct rockchip_rga *rga = ctx->rga; memset(rga->cmdbuf_virt, 0, RGA_CMDBUF_SIZE * 4); - rga_cmd_set_src_addr(ctx, rga->src_mmu_pages); + rga_cmd_set_src_addr(ctx, src->dma_desc_pa); /* * Due to hardware bug, * src1 mmu also should be configured when using alpha blending. */ - rga_cmd_set_src1_addr(ctx, rga->dst_mmu_pages); + rga_cmd_set_src1_addr(ctx, dst->dma_desc_pa); - rga_cmd_set_dst_addr(ctx, rga->dst_mmu_pages); + rga_cmd_set_dst_addr(ctx, dst->dma_desc_pa); rga_cmd_set_mode(ctx); + rga_cmd_set_src_info(ctx, &src->offset); + rga_cmd_set_dst_info(ctx, &dst->offset); rga_cmd_set_trans_info(ctx); rga_write(rga, RGA_CMD_BASE, rga->cmdbuf_phy); @@ -400,11 +437,12 @@ static void rga_cmd_set(struct rga_ctx *ctx) PAGE_SIZE, DMA_BIDIRECTIONAL); } -void rga_hw_start(struct rockchip_rga *rga) +void rga_hw_start(struct rockchip_rga *rga, + struct rga_vb_buffer *src, struct rga_vb_buffer *dst) { struct rga_ctx *ctx = rga->curr; - rga_cmd_set(ctx); + rga_cmd_set(ctx, src, dst); rga_write(rga, RGA_SYS_CTRL, 0x00); |