[PATCH 2/2] [media] s5p-g2d: Replace old driver with DRM version
Mauro Carvalho Chehab
mchehab at osg.samsung.com
Tue Jul 12 23:02:02 UTC 2016
I suspect that you'll be applying this one via DRM tree, so:
Em Tue, 24 May 2016 15:28:13 +0200
Krzysztof Kozlowski <k.kozlowski at samsung.com> escreveu:
> Remove the old non-DRM driver because it is now entirely supported by
> exynos_drm_g2d driver.
>
> Cc: Kyungmin Park <kyungmin.park at samsung.com>
> Cc: Kamil Debski <k.debski at samsung.com>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski at samsung.com>
Acked-by: Mauro Carvalho Chehab <mchehab at s-opensource.com>
PS.: If you prefer to apply this one via my tree, I'm ok too. Just
let me know when the first patch gets merged upstream.
Regards,
Mauro
> ---
> MAINTAINERS | 8 -
> drivers/gpu/drm/exynos/Kconfig | 1 -
> drivers/media/platform/Kconfig | 12 -
> drivers/media/platform/Makefile | 1 -
> drivers/media/platform/s5p-g2d/Makefile | 3 -
> drivers/media/platform/s5p-g2d/g2d-hw.c | 117 -----
> drivers/media/platform/s5p-g2d/g2d-regs.h | 122 -----
> drivers/media/platform/s5p-g2d/g2d.c | 800 ------------------------------
> drivers/media/platform/s5p-g2d/g2d.h | 91 ----
> 9 files changed, 1155 deletions(-)
> delete mode 100644 drivers/media/platform/s5p-g2d/Makefile
> delete mode 100644 drivers/media/platform/s5p-g2d/g2d-hw.c
> delete mode 100644 drivers/media/platform/s5p-g2d/g2d-regs.h
> delete mode 100644 drivers/media/platform/s5p-g2d/g2d.c
> delete mode 100644 drivers/media/platform/s5p-g2d/g2d.h
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 243c0811a4d8..01763419c6a1 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1616,14 +1616,6 @@ L: linux-arm-kernel at lists.infradead.org (moderated for non-subscribers)
> S: Maintained
> F: arch/arm/mach-s5pv210/
>
> -ARM/SAMSUNG S5P SERIES 2D GRAPHICS ACCELERATION (G2D) SUPPORT
> -M: Kyungmin Park <kyungmin.park at samsung.com>
> -M: Kamil Debski <k.debski at samsung.com>
> -L: linux-arm-kernel at lists.infradead.org
> -L: linux-media at vger.kernel.org
> -S: Maintained
> -F: drivers/media/platform/s5p-g2d/
> -
> ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT
> M: Kyungmin Park <kyungmin.park at samsung.com>
> M: Kamil Debski <k.debski at samsung.com>
> diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
> index d814b3048ee5..b0eb20ba1b28 100644
> --- a/drivers/gpu/drm/exynos/Kconfig
> +++ b/drivers/gpu/drm/exynos/Kconfig
> @@ -95,7 +95,6 @@ comment "Sub-drivers"
>
> config DRM_EXYNOS_G2D
> bool "G2D"
> - depends on VIDEO_SAMSUNG_S5P_G2D=n
> select FRAME_VECTOR
> help
> Choose this option if you want to use Exynos G2D for DRM.
> diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
> index 84e041c0a70e..171005c53d62 100644
> --- a/drivers/media/platform/Kconfig
> +++ b/drivers/media/platform/Kconfig
> @@ -161,18 +161,6 @@ config VIDEO_MEM2MEM_DEINTERLACE
> help
> Generic deinterlacing V4L2 driver.
>
> -config VIDEO_SAMSUNG_S5P_G2D
> - tristate "Samsung S5P and EXYNOS4 G2D 2d graphics accelerator driver"
> - depends on VIDEO_DEV && VIDEO_V4L2
> - depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
> - depends on HAS_DMA
> - select VIDEOBUF2_DMA_CONTIG
> - select V4L2_MEM2MEM_DEV
> - default n
> - ---help---
> - This is a v4l2 driver for Samsung S5P and EXYNOS4 G2D
> - 2d graphics accelerator.
> -
> config VIDEO_SAMSUNG_S5P_JPEG
> tristate "Samsung S5P/Exynos3250/Exynos4 JPEG codec driver"
> depends on VIDEO_DEV && VIDEO_V4L2
> diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile
> index bbb7bd1eb268..ad5e26a0bd17 100644
> --- a/drivers/media/platform/Makefile
> +++ b/drivers/media/platform/Makefile
> @@ -32,7 +32,6 @@ obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG) += s5p-jpeg/
> obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC) += s5p-mfc/
> obj-$(CONFIG_VIDEO_SAMSUNG_S5P_TV) += s5p-tv/
>
> -obj-$(CONFIG_VIDEO_SAMSUNG_S5P_G2D) += s5p-g2d/
> obj-$(CONFIG_VIDEO_SAMSUNG_EXYNOS_GSC) += exynos-gsc/
>
> obj-$(CONFIG_VIDEO_STI_BDISP) += sti/bdisp/
> diff --git a/drivers/media/platform/s5p-g2d/Makefile b/drivers/media/platform/s5p-g2d/Makefile
> deleted file mode 100644
> index 2c48c416a804..000000000000
> --- a/drivers/media/platform/s5p-g2d/Makefile
> +++ /dev/null
> @@ -1,3 +0,0 @@
> -s5p-g2d-objs := g2d.o g2d-hw.o
> -
> -obj-$(CONFIG_VIDEO_SAMSUNG_S5P_G2D) += s5p-g2d.o
> diff --git a/drivers/media/platform/s5p-g2d/g2d-hw.c b/drivers/media/platform/s5p-g2d/g2d-hw.c
> deleted file mode 100644
> index e87bd93811d4..000000000000
> --- a/drivers/media/platform/s5p-g2d/g2d-hw.c
> +++ /dev/null
> @@ -1,117 +0,0 @@
> -/*
> - * Samsung S5P G2D - 2D Graphics Accelerator Driver
> - *
> - * Copyright (c) 2011 Samsung Electronics Co., Ltd.
> - * Kamil Debski, <k.debski at 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
> - */
> -
> -#include <linux/io.h>
> -
> -#include "g2d.h"
> -#include "g2d-regs.h"
> -
> -#define w(x, a) writel((x), d->regs + (a))
> -#define r(a) readl(d->regs + (a))
> -
> -/* g2d_reset clears all g2d registers */
> -void g2d_reset(struct g2d_dev *d)
> -{
> - w(1, SOFT_RESET_REG);
> -}
> -
> -void g2d_set_src_size(struct g2d_dev *d, struct g2d_frame *f)
> -{
> - u32 n;
> -
> - w(0, SRC_SELECT_REG);
> - w(f->stride & 0xFFFF, SRC_STRIDE_REG);
> -
> - n = f->o_height & 0xFFF;
> - n <<= 16;
> - n |= f->o_width & 0xFFF;
> - w(n, SRC_LEFT_TOP_REG);
> -
> - n = f->bottom & 0xFFF;
> - n <<= 16;
> - n |= f->right & 0xFFF;
> - w(n, SRC_RIGHT_BOTTOM_REG);
> -
> - w(f->fmt->hw, SRC_COLOR_MODE_REG);
> -}
> -
> -void g2d_set_src_addr(struct g2d_dev *d, dma_addr_t a)
> -{
> - w(a, SRC_BASE_ADDR_REG);
> -}
> -
> -void g2d_set_dst_size(struct g2d_dev *d, struct g2d_frame *f)
> -{
> - u32 n;
> -
> - w(0, DST_SELECT_REG);
> - w(f->stride & 0xFFFF, DST_STRIDE_REG);
> -
> - n = f->o_height & 0xFFF;
> - n <<= 16;
> - n |= f->o_width & 0xFFF;
> - w(n, DST_LEFT_TOP_REG);
> -
> - n = f->bottom & 0xFFF;
> - n <<= 16;
> - n |= f->right & 0xFFF;
> - w(n, DST_RIGHT_BOTTOM_REG);
> -
> - w(f->fmt->hw, DST_COLOR_MODE_REG);
> -}
> -
> -void g2d_set_dst_addr(struct g2d_dev *d, dma_addr_t a)
> -{
> - w(a, DST_BASE_ADDR_REG);
> -}
> -
> -void g2d_set_rop4(struct g2d_dev *d, u32 r)
> -{
> - w(r, ROP4_REG);
> -}
> -
> -void g2d_set_flip(struct g2d_dev *d, u32 r)
> -{
> - w(r, SRC_MSK_DIRECT_REG);
> -}
> -
> -void g2d_set_v41_stretch(struct g2d_dev *d, struct g2d_frame *src,
> - struct g2d_frame *dst)
> -{
> - w(DEFAULT_SCALE_MODE, SRC_SCALE_CTRL_REG);
> -
> - /* inversed scaling factor: src is numerator */
> - w((src->c_width << 16) / dst->c_width, SRC_XSCALE_REG);
> - w((src->c_height << 16) / dst->c_height, SRC_YSCALE_REG);
> -}
> -
> -void g2d_set_cmd(struct g2d_dev *d, u32 c)
> -{
> - w(c, BITBLT_COMMAND_REG);
> -}
> -
> -void g2d_start(struct g2d_dev *d)
> -{
> - /* Clear cache */
> - if (d->variant->hw_rev == TYPE_G2D_3X)
> - w(0x7, CACHECTL_REG);
> -
> - /* Enable interrupt */
> - w(1, INTEN_REG);
> - /* Start G2D engine */
> - w(1, BITBLT_START_REG);
> -}
> -
> -void g2d_clear_int(struct g2d_dev *d)
> -{
> - w(1, INTC_PEND_REG);
> -}
> diff --git a/drivers/media/platform/s5p-g2d/g2d-regs.h b/drivers/media/platform/s5p-g2d/g2d-regs.h
> deleted file mode 100644
> index 9bf31ad35d47..000000000000
> --- a/drivers/media/platform/s5p-g2d/g2d-regs.h
> +++ /dev/null
> @@ -1,122 +0,0 @@
> -/*
> - * Samsung S5P G2D - 2D Graphics Accelerator Driver
> - *
> - * Copyright (c) 2011 Samsung Electronics Co., Ltd.
> - * Kamil Debski, <k.debski at 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
> - */
> -
> -/* General Registers */
> -#define SOFT_RESET_REG 0x0000 /* Software reset reg */
> -#define INTEN_REG 0x0004 /* Interrupt Enable reg */
> -#define INTC_PEND_REG 0x000C /* Interrupt Control Pending reg */
> -#define FIFO_STAT_REG 0x0010 /* Command FIFO Status reg */
> -#define AXI_ID_MODE_REG 0x0014 /* AXI Read ID Mode reg */
> -#define CACHECTL_REG 0x0018 /* Cache & Buffer clear reg */
> -#define AXI_MODE_REG 0x001C /* AXI Mode reg */
> -
> -/* Command Registers */
> -#define BITBLT_START_REG 0x0100 /* BitBLT Start reg */
> -#define BITBLT_COMMAND_REG 0x0104 /* Command reg for BitBLT */
> -
> -/* Parameter Setting Registers (Rotate & Direction) */
> -#define ROTATE_REG 0x0200 /* Rotation reg */
> -#define SRC_MSK_DIRECT_REG 0x0204 /* Src and Mask Direction reg */
> -#define DST_PAT_DIRECT_REG 0x0208 /* Dest and Pattern Direction reg */
> -
> -/* Parameter Setting Registers (Src) */
> -#define SRC_SELECT_REG 0x0300 /* Src Image Selection reg */
> -#define SRC_BASE_ADDR_REG 0x0304 /* Src Image Base Address reg */
> -#define SRC_STRIDE_REG 0x0308 /* Src Stride reg */
> -#define SRC_COLOR_MODE_REG 0x030C /* Src Image Color Mode reg */
> -#define SRC_LEFT_TOP_REG 0x0310 /* Src Left Top Coordinate reg */
> -#define SRC_RIGHT_BOTTOM_REG 0x0314 /* Src Right Bottom Coordinate reg */
> -#define SRC_SCALE_CTRL_REG 0x0328 /* Src Scaling type select */
> -#define SRC_XSCALE_REG 0x032c /* Src X Scaling ratio */
> -#define SRC_YSCALE_REG 0x0330 /* Src Y Scaling ratio */
> -
> -/* Parameter Setting Registers (Dest) */
> -#define DST_SELECT_REG 0x0400 /* Dest Image Selection reg */
> -#define DST_BASE_ADDR_REG 0x0404 /* Dest Image Base Address reg */
> -#define DST_STRIDE_REG 0x0408 /* Dest Stride reg */
> -#define DST_COLOR_MODE_REG 0x040C /* Dest Image Color Mode reg */
> -#define DST_LEFT_TOP_REG 0x0410 /* Dest Left Top Coordinate reg */
> -#define DST_RIGHT_BOTTOM_REG 0x0414 /* Dest Right Bottom Coordinate reg */
> -
> -/* Parameter Setting Registers (Pattern) */
> -#define PAT_BASE_ADDR_REG 0x0500 /* Pattern Image Base Address reg */
> -#define PAT_SIZE_REG 0x0504 /* Pattern Image Size reg */
> -#define PAT_COLOR_MODE_REG 0x0508 /* Pattern Image Color Mode reg */
> -#define PAT_OFFSET_REG 0x050C /* Pattern Left Top Coordinate reg */
> -#define PAT_STRIDE_REG 0x0510 /* Pattern Stride reg */
> -
> -/* Parameter Setting Registers (Mask) */
> -#define MASK_BASE_ADDR_REG 0x0520 /* Mask Base Address reg */
> -#define MASK_STRIDE_REG 0x0524 /* Mask Stride reg */
> -
> -/* Parameter Setting Registers (Clipping Window) */
> -#define CW_LT_REG 0x0600 /* LeftTop coordinates of Clip Window */
> -#define CW_RB_REG 0x0604 /* RightBottom coordinates of Clip
> - Window */
> -
> -/* Parameter Setting Registers (ROP & Alpha Setting) */
> -#define THIRD_OPERAND_REG 0x0610 /* Third Operand Selection reg */
> -#define ROP4_REG 0x0614 /* Raster Operation reg */
> -#define ALPHA_REG 0x0618 /* Alpha value, Fading offset value */
> -
> -/* Parameter Setting Registers (Color) */
> -#define FG_COLOR_REG 0x0700 /* Foreground Color reg */
> -#define BG_COLOR_REG 0x0704 /* Background Color reg */
> -#define BS_COLOR_REG 0x0708 /* Blue Screen Color reg */
> -
> -/* Parameter Setting Registers (Color Key) */
> -#define SRC_COLORKEY_CTRL_REG 0x0710 /* Src Colorkey control reg */
> -#define SRC_COLORKEY_DR_MIN_REG 0x0714 /* Src Colorkey Decision Reference
> - Min reg */
> -#define SRC_COLORKEY_DR_MAX_REG 0x0718 /* Src Colorkey Decision Reference
> - Max reg */
> -#define DST_COLORKEY_CTRL_REG 0x071C /* Dest Colorkey control reg */
> -#define DST_COLORKEY_DR_MIN_REG 0x0720 /* Dest Colorkey Decision Reference
> - Min reg */
> -#define DST_COLORKEY_DR_MAX_REG 0x0724 /* Dest Colorkey Decision Reference
> - Max reg */
> -
> -/* Color mode values */
> -
> -#define ORDER_XRGB 0
> -#define ORDER_RGBX 1
> -#define ORDER_XBGR 2
> -#define ORDER_BGRX 3
> -
> -#define MODE_XRGB_8888 0
> -#define MODE_ARGB_8888 1
> -#define MODE_RGB_565 2
> -#define MODE_XRGB_1555 3
> -#define MODE_ARGB_1555 4
> -#define MODE_XRGB_4444 5
> -#define MODE_ARGB_4444 6
> -#define MODE_PACKED_RGB_888 7
> -
> -#define COLOR_MODE(o, m) (((o) << 4) | (m))
> -
> -/* ROP4 operation values */
> -#define ROP4_COPY 0xCCCC
> -#define ROP4_INVERT 0x3333
> -
> -/* Hardware limits */
> -#define MAX_WIDTH 8000
> -#define MAX_HEIGHT 8000
> -
> -#define G2D_TIMEOUT 500
> -
> -#define DEFAULT_WIDTH 100
> -#define DEFAULT_HEIGHT 100
> -
> -#define DEFAULT_SCALE_MODE (2 << 0)
> -
> -/* Command mode register values */
> -#define CMD_V3_ENABLE_STRETCH (1 << 4)
> diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c
> deleted file mode 100644
> index 612d1ea514f1..000000000000
> --- a/drivers/media/platform/s5p-g2d/g2d.c
> +++ /dev/null
> @@ -1,800 +0,0 @@
> -/*
> - * Samsung S5P G2D - 2D Graphics Accelerator Driver
> - *
> - * Copyright (c) 2011 Samsung Electronics Co., Ltd.
> - * Kamil Debski, <k.debski at 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
> - */
> -
> -#include <linux/module.h>
> -#include <linux/fs.h>
> -#include <linux/timer.h>
> -#include <linux/sched.h>
> -#include <linux/slab.h>
> -#include <linux/clk.h>
> -#include <linux/interrupt.h>
> -#include <linux/of.h>
> -
> -#include <linux/platform_device.h>
> -#include <media/v4l2-mem2mem.h>
> -#include <media/v4l2-device.h>
> -#include <media/v4l2-ioctl.h>
> -#include <media/videobuf2-v4l2.h>
> -#include <media/videobuf2-dma-contig.h>
> -
> -#include "g2d.h"
> -#include "g2d-regs.h"
> -
> -#define fh2ctx(__fh) container_of(__fh, struct g2d_ctx, fh)
> -
> -static struct g2d_fmt formats[] = {
> - {
> - .name = "XRGB_8888",
> - .fourcc = V4L2_PIX_FMT_RGB32,
> - .depth = 32,
> - .hw = COLOR_MODE(ORDER_XRGB, MODE_XRGB_8888),
> - },
> - {
> - .name = "RGB_565",
> - .fourcc = V4L2_PIX_FMT_RGB565X,
> - .depth = 16,
> - .hw = COLOR_MODE(ORDER_XRGB, MODE_RGB_565),
> - },
> - {
> - .name = "XRGB_1555",
> - .fourcc = V4L2_PIX_FMT_RGB555X,
> - .depth = 16,
> - .hw = COLOR_MODE(ORDER_XRGB, MODE_XRGB_1555),
> - },
> - {
> - .name = "XRGB_4444",
> - .fourcc = V4L2_PIX_FMT_RGB444,
> - .depth = 16,
> - .hw = COLOR_MODE(ORDER_XRGB, MODE_XRGB_4444),
> - },
> - {
> - .name = "PACKED_RGB_888",
> - .fourcc = V4L2_PIX_FMT_RGB24,
> - .depth = 24,
> - .hw = COLOR_MODE(ORDER_XRGB, MODE_PACKED_RGB_888),
> - },
> -};
> -#define NUM_FORMATS ARRAY_SIZE(formats)
> -
> -static struct g2d_frame def_frame = {
> - .width = DEFAULT_WIDTH,
> - .height = DEFAULT_HEIGHT,
> - .c_width = DEFAULT_WIDTH,
> - .c_height = DEFAULT_HEIGHT,
> - .o_width = 0,
> - .o_height = 0,
> - .fmt = &formats[0],
> - .right = DEFAULT_WIDTH,
> - .bottom = DEFAULT_HEIGHT,
> -};
> -
> -static struct g2d_fmt *find_fmt(struct v4l2_format *f)
> -{
> - unsigned int i;
> - for (i = 0; i < NUM_FORMATS; i++) {
> - if (formats[i].fourcc == f->fmt.pix.pixelformat)
> - return &formats[i];
> - }
> - return NULL;
> -}
> -
> -
> -static struct g2d_frame *get_frame(struct g2d_ctx *ctx,
> - enum v4l2_buf_type type)
> -{
> - switch (type) {
> - case V4L2_BUF_TYPE_VIDEO_OUTPUT:
> - return &ctx->in;
> - case V4L2_BUF_TYPE_VIDEO_CAPTURE:
> - return &ctx->out;
> - default:
> - return ERR_PTR(-EINVAL);
> - }
> -}
> -
> -static int g2d_queue_setup(struct vb2_queue *vq,
> - unsigned int *nbuffers, unsigned int *nplanes,
> - unsigned int sizes[], void *alloc_ctxs[])
> -{
> - struct g2d_ctx *ctx = vb2_get_drv_priv(vq);
> - struct g2d_frame *f = get_frame(ctx, vq->type);
> -
> - if (IS_ERR(f))
> - return PTR_ERR(f);
> -
> - sizes[0] = f->size;
> - *nplanes = 1;
> - alloc_ctxs[0] = ctx->dev->alloc_ctx;
> -
> - if (*nbuffers == 0)
> - *nbuffers = 1;
> -
> - return 0;
> -}
> -
> -static int g2d_buf_prepare(struct vb2_buffer *vb)
> -{
> - struct g2d_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
> - struct g2d_frame *f = get_frame(ctx, vb->vb2_queue->type);
> -
> - if (IS_ERR(f))
> - return PTR_ERR(f);
> - vb2_set_plane_payload(vb, 0, f->size);
> - return 0;
> -}
> -
> -static void g2d_buf_queue(struct vb2_buffer *vb)
> -{
> - struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
> - struct g2d_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
> - v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
> -}
> -
> -static struct vb2_ops g2d_qops = {
> - .queue_setup = g2d_queue_setup,
> - .buf_prepare = g2d_buf_prepare,
> - .buf_queue = g2d_buf_queue,
> -};
> -
> -static int queue_init(void *priv, struct vb2_queue *src_vq,
> - struct vb2_queue *dst_vq)
> -{
> - struct g2d_ctx *ctx = priv;
> - int ret;
> -
> - src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
> - src_vq->io_modes = VB2_MMAP | VB2_USERPTR;
> - src_vq->drv_priv = ctx;
> - src_vq->ops = &g2d_qops;
> - src_vq->mem_ops = &vb2_dma_contig_memops;
> - src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
> - src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
> - src_vq->lock = &ctx->dev->mutex;
> -
> - ret = vb2_queue_init(src_vq);
> - if (ret)
> - return ret;
> -
> - dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
> - dst_vq->io_modes = VB2_MMAP | VB2_USERPTR;
> - dst_vq->drv_priv = ctx;
> - dst_vq->ops = &g2d_qops;
> - dst_vq->mem_ops = &vb2_dma_contig_memops;
> - dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
> - dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
> - dst_vq->lock = &ctx->dev->mutex;
> -
> - return vb2_queue_init(dst_vq);
> -}
> -
> -static int g2d_s_ctrl(struct v4l2_ctrl *ctrl)
> -{
> - struct g2d_ctx *ctx = container_of(ctrl->handler, struct g2d_ctx,
> - ctrl_handler);
> - unsigned long flags;
> -
> - spin_lock_irqsave(&ctx->dev->ctrl_lock, flags);
> - switch (ctrl->id) {
> - case V4L2_CID_COLORFX:
> - if (ctrl->val == V4L2_COLORFX_NEGATIVE)
> - ctx->rop = ROP4_INVERT;
> - else
> - ctx->rop = ROP4_COPY;
> - break;
> -
> - case V4L2_CID_HFLIP:
> - ctx->flip = ctx->ctrl_hflip->val | (ctx->ctrl_vflip->val << 1);
> - break;
> -
> - }
> - spin_unlock_irqrestore(&ctx->dev->ctrl_lock, flags);
> - return 0;
> -}
> -
> -static const struct v4l2_ctrl_ops g2d_ctrl_ops = {
> - .s_ctrl = g2d_s_ctrl,
> -};
> -
> -static int g2d_setup_ctrls(struct g2d_ctx *ctx)
> -{
> - struct g2d_dev *dev = ctx->dev;
> -
> - v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3);
> -
> - ctx->ctrl_hflip = v4l2_ctrl_new_std(&ctx->ctrl_handler, &g2d_ctrl_ops,
> - V4L2_CID_HFLIP, 0, 1, 1, 0);
> -
> - ctx->ctrl_vflip = v4l2_ctrl_new_std(&ctx->ctrl_handler, &g2d_ctrl_ops,
> - V4L2_CID_VFLIP, 0, 1, 1, 0);
> -
> - v4l2_ctrl_new_std_menu(
> - &ctx->ctrl_handler,
> - &g2d_ctrl_ops,
> - V4L2_CID_COLORFX,
> - V4L2_COLORFX_NEGATIVE,
> - ~((1 << V4L2_COLORFX_NONE) | (1 << V4L2_COLORFX_NEGATIVE)),
> - V4L2_COLORFX_NONE);
> -
> - if (ctx->ctrl_handler.error) {
> - int err = ctx->ctrl_handler.error;
> - v4l2_err(&dev->v4l2_dev, "g2d_setup_ctrls failed\n");
> - v4l2_ctrl_handler_free(&ctx->ctrl_handler);
> - return err;
> - }
> -
> - v4l2_ctrl_cluster(2, &ctx->ctrl_hflip);
> -
> - return 0;
> -}
> -
> -static int g2d_open(struct file *file)
> -{
> - struct g2d_dev *dev = video_drvdata(file);
> - struct g2d_ctx *ctx = NULL;
> - int ret = 0;
> -
> - ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
> - if (!ctx)
> - return -ENOMEM;
> - ctx->dev = dev;
> - /* Set default formats */
> - ctx->in = def_frame;
> - ctx->out = def_frame;
> -
> - if (mutex_lock_interruptible(&dev->mutex)) {
> - kfree(ctx);
> - return -ERESTARTSYS;
> - }
> - ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init);
> - if (IS_ERR(ctx->fh.m2m_ctx)) {
> - ret = PTR_ERR(ctx->fh.m2m_ctx);
> - mutex_unlock(&dev->mutex);
> - kfree(ctx);
> - return ret;
> - }
> - v4l2_fh_init(&ctx->fh, video_devdata(file));
> - file->private_data = &ctx->fh;
> - v4l2_fh_add(&ctx->fh);
> -
> - g2d_setup_ctrls(ctx);
> -
> - /* Write the default values to the ctx struct */
> - v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
> -
> - ctx->fh.ctrl_handler = &ctx->ctrl_handler;
> - mutex_unlock(&dev->mutex);
> -
> - v4l2_info(&dev->v4l2_dev, "instance opened\n");
> - return 0;
> -}
> -
> -static int g2d_release(struct file *file)
> -{
> - struct g2d_dev *dev = video_drvdata(file);
> - struct g2d_ctx *ctx = fh2ctx(file->private_data);
> -
> - v4l2_ctrl_handler_free(&ctx->ctrl_handler);
> - v4l2_fh_del(&ctx->fh);
> - v4l2_fh_exit(&ctx->fh);
> - kfree(ctx);
> - v4l2_info(&dev->v4l2_dev, "instance closed\n");
> - return 0;
> -}
> -
> -
> -static int vidioc_querycap(struct file *file, void *priv,
> - struct v4l2_capability *cap)
> -{
> - strncpy(cap->driver, G2D_NAME, sizeof(cap->driver) - 1);
> - strncpy(cap->card, G2D_NAME, sizeof(cap->card) - 1);
> - cap->bus_info[0] = 0;
> - cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
> - cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
> - return 0;
> -}
> -
> -static int vidioc_enum_fmt(struct file *file, void *prv, struct v4l2_fmtdesc *f)
> -{
> - struct g2d_fmt *fmt;
> - if (f->index >= NUM_FORMATS)
> - return -EINVAL;
> - fmt = &formats[f->index];
> - f->pixelformat = fmt->fourcc;
> - strncpy(f->description, fmt->name, sizeof(f->description) - 1);
> - return 0;
> -}
> -
> -static int vidioc_g_fmt(struct file *file, void *prv, struct v4l2_format *f)
> -{
> - struct g2d_ctx *ctx = prv;
> - struct vb2_queue *vq;
> - struct g2d_frame *frm;
> -
> - vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
> - if (!vq)
> - return -EINVAL;
> - frm = get_frame(ctx, f->type);
> - if (IS_ERR(frm))
> - return PTR_ERR(frm);
> -
> - f->fmt.pix.width = frm->width;
> - f->fmt.pix.height = frm->height;
> - f->fmt.pix.field = V4L2_FIELD_NONE;
> - f->fmt.pix.pixelformat = frm->fmt->fourcc;
> - f->fmt.pix.bytesperline = (frm->width * frm->fmt->depth) >> 3;
> - f->fmt.pix.sizeimage = frm->size;
> - return 0;
> -}
> -
> -static int vidioc_try_fmt(struct file *file, void *prv, struct v4l2_format *f)
> -{
> - struct g2d_fmt *fmt;
> - enum v4l2_field *field;
> -
> - fmt = find_fmt(f);
> - if (!fmt)
> - return -EINVAL;
> -
> - field = &f->fmt.pix.field;
> - if (*field == V4L2_FIELD_ANY)
> - *field = V4L2_FIELD_NONE;
> - else if (*field != V4L2_FIELD_NONE)
> - return -EINVAL;
> -
> - if (f->fmt.pix.width > MAX_WIDTH)
> - f->fmt.pix.width = MAX_WIDTH;
> - if (f->fmt.pix.height > MAX_HEIGHT)
> - f->fmt.pix.height = MAX_HEIGHT;
> -
> - if (f->fmt.pix.width < 1)
> - f->fmt.pix.width = 1;
> - if (f->fmt.pix.height < 1)
> - f->fmt.pix.height = 1;
> -
> - f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;
> - f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
> - return 0;
> -}
> -
> -static int vidioc_s_fmt(struct file *file, void *prv, struct v4l2_format *f)
> -{
> - struct g2d_ctx *ctx = prv;
> - struct g2d_dev *dev = ctx->dev;
> - struct vb2_queue *vq;
> - struct g2d_frame *frm;
> - struct g2d_fmt *fmt;
> - int ret = 0;
> -
> - /* Adjust all values accordingly to the hardware capabilities
> - * and chosen format. */
> - ret = vidioc_try_fmt(file, prv, f);
> - if (ret)
> - return ret;
> - vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
> - if (vb2_is_busy(vq)) {
> - v4l2_err(&dev->v4l2_dev, "queue (%d) bust\n", f->type);
> - return -EBUSY;
> - }
> - frm = get_frame(ctx, f->type);
> - if (IS_ERR(frm))
> - return PTR_ERR(frm);
> - fmt = find_fmt(f);
> - if (!fmt)
> - return -EINVAL;
> - frm->width = f->fmt.pix.width;
> - frm->height = f->fmt.pix.height;
> - frm->size = f->fmt.pix.sizeimage;
> - /* Reset crop settings */
> - frm->o_width = 0;
> - frm->o_height = 0;
> - frm->c_width = frm->width;
> - frm->c_height = frm->height;
> - frm->right = frm->width;
> - frm->bottom = frm->height;
> - frm->fmt = fmt;
> - frm->stride = f->fmt.pix.bytesperline;
> - return 0;
> -}
> -
> -static int vidioc_cropcap(struct file *file, void *priv,
> - struct v4l2_cropcap *cr)
> -{
> - struct g2d_ctx *ctx = priv;
> - struct g2d_frame *f;
> -
> - f = get_frame(ctx, cr->type);
> - if (IS_ERR(f))
> - return PTR_ERR(f);
> -
> - cr->bounds.left = 0;
> - cr->bounds.top = 0;
> - cr->bounds.width = f->width;
> - cr->bounds.height = f->height;
> - cr->defrect = cr->bounds;
> - return 0;
> -}
> -
> -static int vidioc_g_crop(struct file *file, void *prv, struct v4l2_crop *cr)
> -{
> - struct g2d_ctx *ctx = prv;
> - struct g2d_frame *f;
> -
> - f = get_frame(ctx, cr->type);
> - if (IS_ERR(f))
> - return PTR_ERR(f);
> -
> - cr->c.left = f->o_height;
> - cr->c.top = f->o_width;
> - cr->c.width = f->c_width;
> - cr->c.height = f->c_height;
> - return 0;
> -}
> -
> -static int vidioc_try_crop(struct file *file, void *prv, const struct v4l2_crop *cr)
> -{
> - struct g2d_ctx *ctx = prv;
> - struct g2d_dev *dev = ctx->dev;
> - struct g2d_frame *f;
> -
> - f = get_frame(ctx, cr->type);
> - if (IS_ERR(f))
> - return PTR_ERR(f);
> -
> - if (cr->c.top < 0 || cr->c.left < 0) {
> - v4l2_err(&dev->v4l2_dev,
> - "doesn't support negative values for top & left\n");
> - return -EINVAL;
> - }
> -
> - return 0;
> -}
> -
> -static int vidioc_s_crop(struct file *file, void *prv, const struct v4l2_crop *cr)
> -{
> - struct g2d_ctx *ctx = prv;
> - struct g2d_frame *f;
> - int ret;
> -
> - ret = vidioc_try_crop(file, prv, cr);
> - if (ret)
> - return ret;
> - f = get_frame(ctx, cr->type);
> - if (IS_ERR(f))
> - return PTR_ERR(f);
> -
> - f->c_width = cr->c.width;
> - f->c_height = cr->c.height;
> - f->o_width = cr->c.left;
> - f->o_height = cr->c.top;
> - f->bottom = f->o_height + f->c_height;
> - f->right = f->o_width + f->c_width;
> - return 0;
> -}
> -
> -static void job_abort(void *prv)
> -{
> - struct g2d_ctx *ctx = prv;
> - struct g2d_dev *dev = ctx->dev;
> -
> - if (dev->curr == NULL) /* No job currently running */
> - return;
> -
> - wait_event_timeout(dev->irq_queue,
> - dev->curr == NULL,
> - msecs_to_jiffies(G2D_TIMEOUT));
> -}
> -
> -static void device_run(void *prv)
> -{
> - struct g2d_ctx *ctx = prv;
> - struct g2d_dev *dev = ctx->dev;
> - struct vb2_buffer *src, *dst;
> - unsigned long flags;
> - u32 cmd = 0;
> -
> - dev->curr = ctx;
> -
> - src = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
> - dst = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
> -
> - clk_enable(dev->gate);
> - g2d_reset(dev);
> -
> - spin_lock_irqsave(&dev->ctrl_lock, flags);
> -
> - g2d_set_src_size(dev, &ctx->in);
> - g2d_set_src_addr(dev, vb2_dma_contig_plane_dma_addr(src, 0));
> -
> - g2d_set_dst_size(dev, &ctx->out);
> - g2d_set_dst_addr(dev, vb2_dma_contig_plane_dma_addr(dst, 0));
> -
> - g2d_set_rop4(dev, ctx->rop);
> - g2d_set_flip(dev, ctx->flip);
> -
> - if (ctx->in.c_width != ctx->out.c_width ||
> - ctx->in.c_height != ctx->out.c_height) {
> - if (dev->variant->hw_rev == TYPE_G2D_3X)
> - cmd |= CMD_V3_ENABLE_STRETCH;
> - else
> - g2d_set_v41_stretch(dev, &ctx->in, &ctx->out);
> - }
> -
> - g2d_set_cmd(dev, cmd);
> - g2d_start(dev);
> -
> - spin_unlock_irqrestore(&dev->ctrl_lock, flags);
> -}
> -
> -static irqreturn_t g2d_isr(int irq, void *prv)
> -{
> - struct g2d_dev *dev = prv;
> - struct g2d_ctx *ctx = dev->curr;
> - struct vb2_v4l2_buffer *src, *dst;
> -
> - g2d_clear_int(dev);
> - clk_disable(dev->gate);
> -
> - BUG_ON(ctx == NULL);
> -
> - src = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
> - dst = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
> -
> - BUG_ON(src == NULL);
> - BUG_ON(dst == NULL);
> -
> - dst->timecode = src->timecode;
> - dst->vb2_buf.timestamp = src->vb2_buf.timestamp;
> - dst->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
> - dst->flags |=
> - src->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
> -
> - v4l2_m2m_buf_done(src, VB2_BUF_STATE_DONE);
> - v4l2_m2m_buf_done(dst, VB2_BUF_STATE_DONE);
> - v4l2_m2m_job_finish(dev->m2m_dev, ctx->fh.m2m_ctx);
> -
> - dev->curr = NULL;
> - wake_up(&dev->irq_queue);
> - return IRQ_HANDLED;
> -}
> -
> -static const struct v4l2_file_operations g2d_fops = {
> - .owner = THIS_MODULE,
> - .open = g2d_open,
> - .release = g2d_release,
> - .poll = v4l2_m2m_fop_poll,
> - .unlocked_ioctl = video_ioctl2,
> - .mmap = v4l2_m2m_fop_mmap,
> -};
> -
> -static const struct v4l2_ioctl_ops g2d_ioctl_ops = {
> - .vidioc_querycap = vidioc_querycap,
> -
> - .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt,
> - .vidioc_g_fmt_vid_cap = vidioc_g_fmt,
> - .vidioc_try_fmt_vid_cap = vidioc_try_fmt,
> - .vidioc_s_fmt_vid_cap = vidioc_s_fmt,
> -
> - .vidioc_enum_fmt_vid_out = vidioc_enum_fmt,
> - .vidioc_g_fmt_vid_out = vidioc_g_fmt,
> - .vidioc_try_fmt_vid_out = vidioc_try_fmt,
> - .vidioc_s_fmt_vid_out = vidioc_s_fmt,
> -
> - .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
> - .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
> - .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
> - .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
> -
> - .vidioc_streamon = v4l2_m2m_ioctl_streamon,
> - .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
> -
> - .vidioc_g_crop = vidioc_g_crop,
> - .vidioc_s_crop = vidioc_s_crop,
> - .vidioc_cropcap = vidioc_cropcap,
> -};
> -
> -static struct video_device g2d_videodev = {
> - .name = G2D_NAME,
> - .fops = &g2d_fops,
> - .ioctl_ops = &g2d_ioctl_ops,
> - .minor = -1,
> - .release = video_device_release,
> - .vfl_dir = VFL_DIR_M2M,
> -};
> -
> -static struct v4l2_m2m_ops g2d_m2m_ops = {
> - .device_run = device_run,
> - .job_abort = job_abort,
> -};
> -
> -static const struct of_device_id exynos_g2d_match[];
> -
> -static int g2d_probe(struct platform_device *pdev)
> -{
> - struct g2d_dev *dev;
> - struct video_device *vfd;
> - struct resource *res;
> - const struct of_device_id *of_id;
> - int ret = 0;
> -
> - dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
> - if (!dev)
> - return -ENOMEM;
> -
> - spin_lock_init(&dev->ctrl_lock);
> - mutex_init(&dev->mutex);
> - atomic_set(&dev->num_inst, 0);
> - init_waitqueue_head(&dev->irq_queue);
> -
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -
> - dev->regs = devm_ioremap_resource(&pdev->dev, res);
> - if (IS_ERR(dev->regs))
> - return PTR_ERR(dev->regs);
> -
> - dev->clk = clk_get(&pdev->dev, "sclk_fimg2d");
> - if (IS_ERR(dev->clk)) {
> - dev_err(&pdev->dev, "failed to get g2d clock\n");
> - return -ENXIO;
> - }
> -
> - ret = clk_prepare(dev->clk);
> - if (ret) {
> - dev_err(&pdev->dev, "failed to prepare g2d clock\n");
> - goto put_clk;
> - }
> -
> - dev->gate = clk_get(&pdev->dev, "fimg2d");
> - if (IS_ERR(dev->gate)) {
> - dev_err(&pdev->dev, "failed to get g2d clock gate\n");
> - ret = -ENXIO;
> - goto unprep_clk;
> - }
> -
> - ret = clk_prepare(dev->gate);
> - if (ret) {
> - dev_err(&pdev->dev, "failed to prepare g2d clock gate\n");
> - goto put_clk_gate;
> - }
> -
> - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
> - if (!res) {
> - dev_err(&pdev->dev, "failed to find IRQ\n");
> - ret = -ENXIO;
> - goto unprep_clk_gate;
> - }
> -
> - dev->irq = res->start;
> -
> - ret = devm_request_irq(&pdev->dev, dev->irq, g2d_isr,
> - 0, pdev->name, dev);
> - if (ret) {
> - dev_err(&pdev->dev, "failed to install IRQ\n");
> - goto put_clk_gate;
> - }
> -
> - dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
> - if (IS_ERR(dev->alloc_ctx)) {
> - ret = PTR_ERR(dev->alloc_ctx);
> - goto unprep_clk_gate;
> - }
> -
> - ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
> - if (ret)
> - goto alloc_ctx_cleanup;
> - vfd = video_device_alloc();
> - if (!vfd) {
> - v4l2_err(&dev->v4l2_dev, "Failed to allocate video device\n");
> - ret = -ENOMEM;
> - goto unreg_v4l2_dev;
> - }
> - *vfd = g2d_videodev;
> - vfd->lock = &dev->mutex;
> - vfd->v4l2_dev = &dev->v4l2_dev;
> - ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
> - if (ret) {
> - v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
> - goto rel_vdev;
> - }
> - video_set_drvdata(vfd, dev);
> - snprintf(vfd->name, sizeof(vfd->name), "%s", g2d_videodev.name);
> - dev->vfd = vfd;
> - v4l2_info(&dev->v4l2_dev, "device registered as /dev/video%d\n",
> - vfd->num);
> - platform_set_drvdata(pdev, dev);
> - dev->m2m_dev = v4l2_m2m_init(&g2d_m2m_ops);
> - if (IS_ERR(dev->m2m_dev)) {
> - v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
> - ret = PTR_ERR(dev->m2m_dev);
> - goto unreg_video_dev;
> - }
> -
> - def_frame.stride = (def_frame.width * def_frame.fmt->depth) >> 3;
> -
> - of_id = of_match_node(exynos_g2d_match, pdev->dev.of_node);
> - if (!of_id) {
> - ret = -ENODEV;
> - goto unreg_video_dev;
> - }
> - dev->variant = (struct g2d_variant *)of_id->data;
> -
> - return 0;
> -
> -unreg_video_dev:
> - video_unregister_device(dev->vfd);
> -rel_vdev:
> - video_device_release(vfd);
> -unreg_v4l2_dev:
> - v4l2_device_unregister(&dev->v4l2_dev);
> -alloc_ctx_cleanup:
> - vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
> -unprep_clk_gate:
> - clk_unprepare(dev->gate);
> -put_clk_gate:
> - clk_put(dev->gate);
> -unprep_clk:
> - clk_unprepare(dev->clk);
> -put_clk:
> - clk_put(dev->clk);
> -
> - return ret;
> -}
> -
> -static int g2d_remove(struct platform_device *pdev)
> -{
> - struct g2d_dev *dev = platform_get_drvdata(pdev);
> -
> - v4l2_info(&dev->v4l2_dev, "Removing " G2D_NAME);
> - v4l2_m2m_release(dev->m2m_dev);
> - video_unregister_device(dev->vfd);
> - v4l2_device_unregister(&dev->v4l2_dev);
> - vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
> - clk_unprepare(dev->gate);
> - clk_put(dev->gate);
> - clk_unprepare(dev->clk);
> - clk_put(dev->clk);
> - return 0;
> -}
> -
> -static struct g2d_variant g2d_drvdata_v3x = {
> - .hw_rev = TYPE_G2D_3X, /* Revision 3.0 for S5PV210 and Exynos4210 */
> -};
> -
> -static struct g2d_variant g2d_drvdata_v4x = {
> - .hw_rev = TYPE_G2D_4X, /* Revision 4.1 for Exynos4X12 and Exynos5 */
> -};
> -
> -static const struct of_device_id exynos_g2d_match[] = {
> - {
> - .compatible = "samsung,s5pv210-g2d",
> - .data = &g2d_drvdata_v3x,
> - }, {
> - .compatible = "samsung,exynos4212-g2d",
> - .data = &g2d_drvdata_v4x,
> - },
> - {},
> -};
> -MODULE_DEVICE_TABLE(of, exynos_g2d_match);
> -
> -static struct platform_driver g2d_pdrv = {
> - .probe = g2d_probe,
> - .remove = g2d_remove,
> - .driver = {
> - .name = G2D_NAME,
> - .of_match_table = exynos_g2d_match,
> - },
> -};
> -
> -module_platform_driver(g2d_pdrv);
> -
> -MODULE_AUTHOR("Kamil Debski <k.debski at samsung.com>");
> -MODULE_DESCRIPTION("S5P G2D 2d graphics accelerator driver");
> -MODULE_LICENSE("GPL");
> diff --git a/drivers/media/platform/s5p-g2d/g2d.h b/drivers/media/platform/s5p-g2d/g2d.h
> deleted file mode 100644
> index e31df541aa62..000000000000
> --- a/drivers/media/platform/s5p-g2d/g2d.h
> +++ /dev/null
> @@ -1,91 +0,0 @@
> -/*
> - * Samsung S5P G2D - 2D Graphics Accelerator Driver
> - *
> - * Copyright (c) 2011 Samsung Electronics Co., Ltd.
> - * Kamil Debski, <k.debski at 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
> - */
> -
> -#include <linux/platform_device.h>
> -#include <media/v4l2-device.h>
> -#include <media/v4l2-ctrls.h>
> -
> -#define G2D_NAME "s5p-g2d"
> -#define TYPE_G2D_3X 3
> -#define TYPE_G2D_4X 4
> -
> -struct g2d_dev {
> - struct v4l2_device v4l2_dev;
> - struct v4l2_m2m_dev *m2m_dev;
> - struct video_device *vfd;
> - struct mutex mutex;
> - spinlock_t ctrl_lock;
> - atomic_t num_inst;
> - struct vb2_alloc_ctx *alloc_ctx;
> - void __iomem *regs;
> - struct clk *clk;
> - struct clk *gate;
> - struct g2d_ctx *curr;
> - struct g2d_variant *variant;
> - int irq;
> - wait_queue_head_t irq_queue;
> -};
> -
> -struct g2d_frame {
> - /* Original dimensions */
> - u32 width;
> - u32 height;
> - /* Crop size */
> - u32 c_width;
> - u32 c_height;
> - /* Offset */
> - u32 o_width;
> - u32 o_height;
> - /* Image format */
> - struct g2d_fmt *fmt;
> - /* Variables that can calculated once and reused */
> - u32 stride;
> - u32 bottom;
> - u32 right;
> - u32 size;
> -};
> -
> -struct g2d_ctx {
> - struct v4l2_fh fh;
> - struct g2d_dev *dev;
> - struct g2d_frame in;
> - struct g2d_frame out;
> - struct v4l2_ctrl *ctrl_hflip;
> - struct v4l2_ctrl *ctrl_vflip;
> - struct v4l2_ctrl_handler ctrl_handler;
> - u32 rop;
> - u32 flip;
> -};
> -
> -struct g2d_fmt {
> - char *name;
> - u32 fourcc;
> - int depth;
> - u32 hw;
> -};
> -
> -struct g2d_variant {
> - unsigned short hw_rev;
> -};
> -
> -void g2d_reset(struct g2d_dev *d);
> -void g2d_set_src_size(struct g2d_dev *d, struct g2d_frame *f);
> -void g2d_set_src_addr(struct g2d_dev *d, dma_addr_t a);
> -void g2d_set_dst_size(struct g2d_dev *d, struct g2d_frame *f);
> -void g2d_set_dst_addr(struct g2d_dev *d, dma_addr_t a);
> -void g2d_start(struct g2d_dev *d);
> -void g2d_clear_int(struct g2d_dev *d);
> -void g2d_set_rop4(struct g2d_dev *d, u32 r);
> -void g2d_set_flip(struct g2d_dev *d, u32 r);
> -void g2d_set_v41_stretch(struct g2d_dev *d,
> - struct g2d_frame *src, struct g2d_frame *dst);
> -void g2d_set_cmd(struct g2d_dev *d, u32 c);
--
Thanks,
Mauro
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