From 8f35c7bc265c99fadb5b4057f623e2e242043736 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Mon, 9 Jul 2012 04:25:52 -0300 Subject: [PATCH] [media] media: coda: add horizontal / vertical flipping support MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The hardware can also rotate in 90° steps, but there is no corresponding V4L2_CID defined yet. Signed-off-by: Philipp Zabel Tested-by: Javier Martin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/coda.c | 19 ++++++++++++++++++- drivers/media/platform/coda.h | 9 +++++++++ 2 files changed, 27 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index 2e046d057e66..23985b3447ac 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -141,6 +141,7 @@ struct coda_dev { }; struct coda_params { + u8 rot_mode; u8 h264_intra_qp; u8 h264_inter_qp; u8 mpeg4_intra_qp; @@ -700,7 +701,7 @@ static void coda_device_run(void *m2m_priv) } /* submit */ - coda_write(dev, 0, CODA_CMD_ENC_PIC_ROT_MODE); + coda_write(dev, CODA_ROT_MIR_ENABLE | ctx->params.rot_mode, CODA_CMD_ENC_PIC_ROT_MODE); coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS); @@ -1276,6 +1277,18 @@ static int coda_s_ctrl(struct v4l2_ctrl *ctrl) "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val); switch (ctrl->id) { + case V4L2_CID_HFLIP: + if (ctrl->val) + ctx->params.rot_mode |= CODA_MIR_HOR; + else + ctx->params.rot_mode &= ~CODA_MIR_HOR; + break; + case V4L2_CID_VFLIP: + if (ctrl->val) + ctx->params.rot_mode |= CODA_MIR_VER; + else + ctx->params.rot_mode &= ~CODA_MIR_VER; + break; case V4L2_CID_MPEG_VIDEO_BITRATE: ctx->params.bitrate = ctrl->val / 1000; break; @@ -1320,6 +1333,10 @@ static int coda_ctrls_setup(struct coda_ctx *ctx) { v4l2_ctrl_handler_init(&ctx->ctrls, 9); + v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0); v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, diff --git a/drivers/media/platform/coda.h b/drivers/media/platform/coda.h index 332401033194..f3f5e43c1ac2 100644 --- a/drivers/media/platform/coda.h +++ b/drivers/media/platform/coda.h @@ -188,6 +188,15 @@ #define CODA_CMD_ENC_PIC_SRC_ADDR_CR 0x188 #define CODA_CMD_ENC_PIC_QS 0x18c #define CODA_CMD_ENC_PIC_ROT_MODE 0x190 +#define CODA_ROT_MIR_ENABLE (1 << 4) +#define CODA_ROT_0 (0x0 << 0) +#define CODA_ROT_90 (0x1 << 0) +#define CODA_ROT_180 (0x2 << 0) +#define CODA_ROT_270 (0x3 << 0) +#define CODA_MIR_NONE (0x0 << 2) +#define CODA_MIR_VER (0x1 << 2) +#define CODA_MIR_HOR (0x2 << 2) +#define CODA_MIR_VER_HOR (0x3 << 2) #define CODA_CMD_ENC_PIC_OPTION 0x194 #define CODA_CMD_ENC_PIC_BB_START 0x198 #define CODA_CMD_ENC_PIC_BB_SIZE 0x19c -- 2.20.1