diff options
Diffstat (limited to 'drivers/media/video/s5p-g2d/g2d.c')
| -rw-r--r-- | drivers/media/video/s5p-g2d/g2d.c | 63 |
1 files changed, 50 insertions, 13 deletions
diff --git a/drivers/media/video/s5p-g2d/g2d.c b/drivers/media/video/s5p-g2d/g2d.c index febaa673d36..789de74014e 100644 --- a/drivers/media/video/s5p-g2d/g2d.c +++ b/drivers/media/video/s5p-g2d/g2d.c @@ -178,6 +178,9 @@ 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) @@ -185,10 +188,13 @@ static int g2d_s_ctrl(struct v4l2_ctrl *ctrl) else ctx->rop = ROP4_COPY; break; - default: - v4l2_err(&ctx->dev->v4l2_dev, "unknown control\n"); - return -EINVAL; + + 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; } @@ -200,11 +206,13 @@ int g2d_setup_ctrls(struct g2d_ctx *ctx) { struct g2d_dev *dev = ctx->dev; - v4l2_ctrl_handler_init(&ctx->ctrl_handler, 1); - if (ctx->ctrl_handler.error) { - v4l2_err(&dev->v4l2_dev, "v4l2_ctrl_handler_init failed\n"); - return ctx->ctrl_handler.error; - } + 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, @@ -215,10 +223,14 @@ int g2d_setup_ctrls(struct g2d_ctx *ctx) V4L2_COLORFX_NONE); if (ctx->ctrl_handler.error) { - v4l2_err(&dev->v4l2_dev, "v4l2_ctrl_handler_init failed\n"); - return 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; } @@ -547,6 +559,7 @@ 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; @@ -557,6 +570,8 @@ static void device_run(void *prv) 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)); @@ -564,11 +579,15 @@ static void device_run(void *prv) 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) @@ -658,7 +677,7 @@ static int g2d_probe(struct platform_device *pdev) dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; - spin_lock_init(&dev->irqlock); + spin_lock_init(&dev->ctrl_lock); mutex_init(&dev->mutex); atomic_set(&dev->num_inst, 0); init_waitqueue_head(&dev->irq_queue); @@ -693,18 +712,30 @@ static int g2d_probe(struct platform_device *pdev) 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 put_clk; + 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 put_clk_gate; + goto unprep_clk_gate; } dev->irq = res->start; @@ -764,8 +795,12 @@ 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: @@ -787,7 +822,9 @@ static int g2d_remove(struct platform_device *pdev) 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); |