diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/media/video/s5p-g2d')
| -rw-r--r-- | ANDROID_3.4.5/drivers/media/video/s5p-g2d/Makefile | 3 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d-hw.c | 109 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d-regs.h | 115 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d.c | 848 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d.h | 87 |
5 files changed, 0 insertions, 1162 deletions
diff --git a/ANDROID_3.4.5/drivers/media/video/s5p-g2d/Makefile b/ANDROID_3.4.5/drivers/media/video/s5p-g2d/Makefile deleted file mode 100644 index 2c48c416..00000000 --- a/ANDROID_3.4.5/drivers/media/video/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/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d-hw.c b/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d-hw.c deleted file mode 100644 index 5b86cbe4..00000000 --- a/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d-hw.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Samsung S5P G2D - 2D Graphics Accelerator Driver - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * Kamil Debski, <k.debski@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(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(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); -} - -u32 g2d_cmd_stretch(u32 e) -{ - e &= 1; - return e << 4; -} - -void g2d_set_cmd(struct g2d_dev *d, u32 c) -{ - w(c, BITBLT_COMMAND_REG); -} - -void g2d_start(struct g2d_dev *d) -{ - /* Clear cache */ - 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/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d-regs.h b/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d-regs.h deleted file mode 100644 index 02e1cf50..00000000 --- a/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d-regs.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Samsung S5P G2D - 2D Graphics Accelerator Driver - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * Kamil Debski, <k.debski@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 */ - -/* 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 - diff --git a/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d.c b/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d.c deleted file mode 100644 index 789de740..00000000 --- a/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d.c +++ /dev/null @@ -1,848 +0,0 @@ -/* - * Samsung S5P G2D - 2D Graphics Accelerator Driver - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * Kamil Debski, <k.debski@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/version.h> -#include <linux/timer.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/clk.h> -#include <linux/interrupt.h> - -#include <linux/platform_device.h> -#include <media/v4l2-mem2mem.h> -#include <media/v4l2-device.h> -#include <media/v4l2-ioctl.h> -#include <media/videobuf2-core.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) - -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, -}; - -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, const struct v4l2_format *fmt, - 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 g2d_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); - v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); -} - - -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; - - memset(src_vq, 0, sizeof(*src_vq)); - 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); - - ret = vb2_queue_init(src_vq); - if (ret) - return ret; - - memset(dst_vq, 0, sizeof(*dst_vq)); - 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); - - 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, -}; - -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; - - ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init); - if (IS_ERR(ctx->m2m_ctx)) { - ret = PTR_ERR(ctx->m2m_ctx); - 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; - - 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->version = KERNEL_VERSION(1, 0, 0); - cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT - | V4L2_CAP_STREAMING; - 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->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->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 unsigned int g2d_poll(struct file *file, struct poll_table_struct *wait) -{ - struct g2d_ctx *ctx = fh2ctx(file->private_data); - return v4l2_m2m_poll(file, ctx->m2m_ctx, wait); -} - -static int g2d_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct g2d_ctx *ctx = fh2ctx(file->private_data); - return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); -} - -static int vidioc_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *reqbufs) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); -} - -static int vidioc_querybuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); -} - -static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); -} - -static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); -} - - -static int vidioc_streamon(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); -} - -static int vidioc_streamoff(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); -} - -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, 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, 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 g2d_lock(void *prv) -{ - struct g2d_ctx *ctx = prv; - struct g2d_dev *dev = ctx->dev; - mutex_lock(&dev->mutex); -} - -static void g2d_unlock(void *prv) -{ - struct g2d_ctx *ctx = prv; - struct g2d_dev *dev = ctx->dev; - mutex_unlock(&dev->mutex); -} - -static void job_abort(void *prv) -{ - struct g2d_ctx *ctx = prv; - struct g2d_dev *dev = ctx->dev; - int ret; - - if (dev->curr == 0) /* No job currently running */ - return; - - ret = wait_event_timeout(dev->irq_queue, - dev->curr == 0, - 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->m2m_ctx); - dst = v4l2_m2m_next_dst_buf(ctx->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) - cmd |= g2d_cmd_stretch(1); - 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_buffer *src, *dst; - - g2d_clear_int(dev); - clk_disable(dev->gate); - - BUG_ON(ctx == 0); - - src = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); - dst = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); - - BUG_ON(src == 0); - BUG_ON(dst == 0); - - 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->m2m_ctx); - - dev->curr = 0; - 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 = g2d_poll, - .unlocked_ioctl = video_ioctl2, - .mmap = g2d_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 = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, - - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_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, -}; - -static struct v4l2_m2m_ops g2d_m2m_ops = { - .device_run = device_run, - .job_abort = job_abort, - .lock = g2d_lock, - .unlock = g2d_unlock, -}; - -static int g2d_probe(struct platform_device *pdev) -{ - struct g2d_dev *dev; - struct video_device *vfd; - struct resource *res; - int ret = 0; - - dev = kzalloc(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); - if (!res) { - dev_err(&pdev->dev, "failed to find registers\n"); - ret = -ENOENT; - goto free_dev; - } - - dev->res_regs = request_mem_region(res->start, resource_size(res), - dev_name(&pdev->dev)); - - if (!dev->res_regs) { - dev_err(&pdev->dev, "failed to obtain register region\n"); - ret = -ENOENT; - goto free_dev; - } - - dev->regs = ioremap(res->start, resource_size(res)); - if (!dev->regs) { - dev_err(&pdev->dev, "failed to map registers\n"); - ret = -ENOENT; - goto rel_res_regs; - } - - dev->clk = clk_get(&pdev->dev, "sclk_fimg2d"); - if (IS_ERR_OR_NULL(dev->clk)) { - dev_err(&pdev->dev, "failed to get g2d clock\n"); - ret = -ENXIO; - goto unmap_regs; - } - - 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_OR_NULL(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 = request_irq(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 rel_irq; - } - - 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; - 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; - - 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); -rel_irq: - free_irq(dev->irq, dev); -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); -unmap_regs: - iounmap(dev->regs); -rel_res_regs: - release_resource(dev->res_regs); -free_dev: - kfree(dev); - return ret; -} - -static int g2d_remove(struct platform_device *pdev) -{ - struct g2d_dev *dev = (struct g2d_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); - free_irq(dev->irq, dev); - clk_unprepare(dev->gate); - clk_put(dev->gate); - clk_unprepare(dev->clk); - clk_put(dev->clk); - iounmap(dev->regs); - release_resource(dev->res_regs); - kfree(dev); - return 0; -} - -static struct platform_driver g2d_pdrv = { - .probe = g2d_probe, - .remove = g2d_remove, - .driver = { - .name = G2D_NAME, - .owner = THIS_MODULE, - }, -}; - -module_platform_driver(g2d_pdrv); - -MODULE_AUTHOR("Kamil Debski <k.debski@samsung.com>"); -MODULE_DESCRIPTION("S5P G2D 2d graphics accelerator driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d.h b/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d.h deleted file mode 100644 index 1b82065a..00000000 --- a/ANDROID_3.4.5/drivers/media/video/s5p-g2d/g2d.h +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Samsung S5P G2D - 2D Graphics Accelerator Driver - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * Kamil Debski, <k.debski@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 <media/v4l2-device.h> -#include <media/v4l2-ctrls.h> - -#define G2D_NAME "s5p-g2d" - -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; - struct resource *res_regs; - void __iomem *regs; - struct clk *clk; - struct clk *gate; - struct g2d_ctx *curr; - 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 v4l2_m2m_ctx *m2m_ctx; - 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; -}; - - -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); -u32 g2d_cmd_stretch(u32 e); -void g2d_set_cmd(struct g2d_dev *d, u32 c); - - |