/*
* S5P camera interface (video postprocessor) driver
*
- * Copyright (c) 2010 Samsung Electronics
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd
*
* Sylwester Nawrocki, <s.nawrocki@samsung.com>
*
.depth = 16,
.color = S5P_FIMC_RGB565,
.buff_cnt = 1,
- .planes_cnt = 1
+ .planes_cnt = 1,
+ .mbus_code = V4L2_MBUS_FMT_RGB565_2X8_BE,
+ .flags = FMT_FLAGS_M2M,
}, {
.name = "BGR666",
.fourcc = V4L2_PIX_FMT_BGR666,
.depth = 32,
.color = S5P_FIMC_RGB666,
.buff_cnt = 1,
- .planes_cnt = 1
+ .planes_cnt = 1,
+ .flags = FMT_FLAGS_M2M,
}, {
.name = "XRGB-8-8-8-8, 24 bpp",
.fourcc = V4L2_PIX_FMT_RGB24,
.depth = 32,
.color = S5P_FIMC_RGB888,
.buff_cnt = 1,
- .planes_cnt = 1
+ .planes_cnt = 1,
+ .flags = FMT_FLAGS_M2M,
}, {
.name = "YUV 4:2:2 packed, YCbYCr",
.fourcc = V4L2_PIX_FMT_YUYV,
.depth = 16,
.color = S5P_FIMC_YCBYCR422,
.buff_cnt = 1,
- .planes_cnt = 1
- }, {
+ .planes_cnt = 1,
+ .mbus_code = V4L2_MBUS_FMT_YUYV8_2X8,
+ .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
+ }, {
.name = "YUV 4:2:2 packed, CbYCrY",
.fourcc = V4L2_PIX_FMT_UYVY,
.depth = 16,
.color = S5P_FIMC_CBYCRY422,
.buff_cnt = 1,
- .planes_cnt = 1
+ .planes_cnt = 1,
+ .mbus_code = V4L2_MBUS_FMT_UYVY8_2X8,
+ .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
}, {
.name = "YUV 4:2:2 packed, CrYCbY",
.fourcc = V4L2_PIX_FMT_VYUY,
.depth = 16,
.color = S5P_FIMC_CRYCBY422,
.buff_cnt = 1,
- .planes_cnt = 1
+ .planes_cnt = 1,
+ .mbus_code = V4L2_MBUS_FMT_VYUY8_2X8,
+ .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
}, {
.name = "YUV 4:2:2 packed, YCrYCb",
.fourcc = V4L2_PIX_FMT_YVYU,
.depth = 16,
.color = S5P_FIMC_YCRYCB422,
.buff_cnt = 1,
- .planes_cnt = 1
+ .planes_cnt = 1,
+ .mbus_code = V4L2_MBUS_FMT_YVYU8_2X8,
+ .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
}, {
.name = "YUV 4:2:2 planar, Y/Cb/Cr",
.fourcc = V4L2_PIX_FMT_YUV422P,
.depth = 12,
.color = S5P_FIMC_YCBCR422,
.buff_cnt = 1,
- .planes_cnt = 3
+ .planes_cnt = 3,
+ .flags = FMT_FLAGS_M2M,
}, {
.name = "YUV 4:2:2 planar, Y/CbCr",
.fourcc = V4L2_PIX_FMT_NV16,
.depth = 16,
.color = S5P_FIMC_YCBCR422,
.buff_cnt = 1,
- .planes_cnt = 2
+ .planes_cnt = 2,
+ .flags = FMT_FLAGS_M2M,
}, {
.name = "YUV 4:2:2 planar, Y/CrCb",
.fourcc = V4L2_PIX_FMT_NV61,
.depth = 16,
.color = S5P_FIMC_RGB565,
.buff_cnt = 1,
- .planes_cnt = 2
+ .planes_cnt = 2,
+ .flags = FMT_FLAGS_M2M,
}, {
.name = "YUV 4:2:0 planar, YCbCr",
.fourcc = V4L2_PIX_FMT_YUV420,
.depth = 12,
.color = S5P_FIMC_YCBCR420,
.buff_cnt = 1,
- .planes_cnt = 3
+ .planes_cnt = 3,
+ .flags = FMT_FLAGS_M2M,
}, {
.name = "YUV 4:2:0 planar, Y/CbCr",
.fourcc = V4L2_PIX_FMT_NV12,
.depth = 12,
.color = S5P_FIMC_YCBCR420,
.buff_cnt = 1,
- .planes_cnt = 2
- }
- };
+ .planes_cnt = 2,
+ .flags = FMT_FLAGS_M2M,
+ },
+};
static struct v4l2_queryctrl fimc_ctrls[] = {
{
.minimum = 0,
.maximum = 1,
.default_value = 0,
- },
- {
+ }, {
.id = V4L2_CID_VFLIP,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Vertical flip",
.minimum = 0,
.maximum = 1,
.default_value = 0,
- },
- {
+ }, {
.id = V4L2_CID_ROTATE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Rotation (CCW)",
return NULL;
}
-static int fimc_check_scaler_ratio(struct v4l2_rect *r, struct fimc_frame *f)
+int fimc_check_scaler_ratio(struct v4l2_rect *r, struct fimc_frame *f)
{
if (r->width > f->width) {
if (f->width > (r->width * SCALER_MAX_HRATIO))
static int fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift)
{
- if (src >= tar * 64) {
+ u32 sh = 6;
+
+ if (src >= 64 * tar)
return -EINVAL;
- } else if (src >= tar * 32) {
- *ratio = 32;
- *shift = 5;
- } else if (src >= tar * 16) {
- *ratio = 16;
- *shift = 4;
- } else if (src >= tar * 8) {
- *ratio = 8;
- *shift = 3;
- } else if (src >= tar * 4) {
- *ratio = 4;
- *shift = 2;
- } else if (src >= tar * 2) {
- *ratio = 2;
- *shift = 1;
- } else {
- *ratio = 1;
- *shift = 0;
+
+ while (sh--) {
+ u32 tmp = 1 << sh;
+ if (src >= tar * tmp) {
+ *shift = sh, *ratio = tmp;
+ return 0;
+ }
}
+ *shift = 0, *ratio = 1;
+
+ dbg("s: %d, t: %d, shift: %d, ratio: %d",
+ src, tar, *shift, *ratio);
return 0;
}
-static int fimc_set_scaler_info(struct fimc_ctx *ctx)
+int fimc_set_scaler_info(struct fimc_ctx *ctx)
{
struct fimc_scaler *sc = &ctx->scaler;
struct fimc_frame *s_frame = &ctx->s_frame;
int tx, ty, sx, sy;
int ret;
- tx = d_frame->width;
- ty = d_frame->height;
+ if (ctx->rotation == 90 || ctx->rotation == 270) {
+ ty = d_frame->width;
+ tx = d_frame->height;
+ } else {
+ tx = d_frame->width;
+ ty = d_frame->height;
+ }
if (tx <= 0 || ty <= 0) {
v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev,
"invalid target size: %d x %d", tx, ty);
return 0;
}
+static void fimc_capture_handler(struct fimc_dev *fimc)
+{
+ struct fimc_vid_cap *cap = &fimc->vid_cap;
+ struct fimc_vid_buffer *v_buf = NULL;
+
+ if (!list_empty(&cap->active_buf_q)) {
+ v_buf = active_queue_pop(cap);
+ fimc_buf_finish(fimc, v_buf);
+ }
+
+ if (test_and_clear_bit(ST_CAPT_SHUT, &fimc->state)) {
+ wake_up(&fimc->irq_queue);
+ return;
+ }
+
+ if (!list_empty(&cap->pending_buf_q)) {
+
+ v_buf = pending_queue_pop(cap);
+ fimc_hw_set_output_addr(fimc, &v_buf->paddr, cap->buf_index);
+ v_buf->index = cap->buf_index;
+
+ dbg("hw ptr: %d, sw ptr: %d",
+ fimc_hw_get_frame_index(fimc), cap->buf_index);
+
+ spin_lock(&fimc->irqlock);
+ v_buf->vb.state = VIDEOBUF_ACTIVE;
+ spin_unlock(&fimc->irqlock);
+
+ /* Move the buffer to the capture active queue */
+ active_queue_add(cap, v_buf);
+
+ dbg("next frame: %d, done frame: %d",
+ fimc_hw_get_frame_index(fimc), v_buf->index);
+
+ if (++cap->buf_index >= FIMC_MAX_OUT_BUFS)
+ cap->buf_index = 0;
+
+ } else if (test_and_clear_bit(ST_CAPT_STREAM, &fimc->state) &&
+ cap->active_buf_cnt <= 1) {
+ fimc_deactivate_capture(fimc);
+ }
+
+ dbg("frame: %d, active_buf_cnt= %d",
+ fimc_hw_get_frame_index(fimc), cap->active_buf_cnt);
+}
static irqreturn_t fimc_isr(int irq, void *priv)
{
struct fimc_vid_buffer *src_buf, *dst_buf;
- struct fimc_dev *fimc = (struct fimc_dev *)priv;
struct fimc_ctx *ctx;
+ struct fimc_dev *fimc = priv;
BUG_ON(!fimc);
fimc_hw_clear_irq(fimc);
dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
if (src_buf && dst_buf) {
spin_lock(&fimc->irqlock);
- src_buf->vb.state = dst_buf->vb.state = VIDEOBUF_DONE;
+ src_buf->vb.state = dst_buf->vb.state = VIDEOBUF_DONE;
wake_up(&src_buf->vb.done);
wake_up(&dst_buf->vb.done);
spin_unlock(&fimc->irqlock);
v4l2_m2m_job_finish(fimc->m2m.m2m_dev, ctx->m2m_ctx);
}
+ goto isr_unlock;
+
+ }
+
+ if (test_bit(ST_CAPT_RUN, &fimc->state))
+ fimc_capture_handler(fimc);
+
+ if (test_and_clear_bit(ST_CAPT_PEND, &fimc->state)) {
+ set_bit(ST_CAPT_RUN, &fimc->state);
+ wake_up(&fimc->irq_queue);
}
isr_unlock:
}
/* The color format (planes_cnt, buff_cnt) must be already configured. */
-static int fimc_prepare_addr(struct fimc_ctx *ctx,
- struct fimc_vid_buffer *buf, enum v4l2_buf_type type)
+int fimc_prepare_addr(struct fimc_ctx *ctx, struct fimc_vid_buffer *buf,
+ struct fimc_frame *frame, struct fimc_addr *paddr)
{
- struct fimc_frame *frame;
- struct fimc_addr *paddr;
- u32 pix_size;
int ret = 0;
+ u32 pix_size;
- frame = ctx_m2m_get_frame(ctx, type);
- if (IS_ERR(frame))
- return PTR_ERR(frame);
- paddr = &frame->paddr;
-
- if (!buf)
+ if (buf == NULL || frame == NULL)
return -EINVAL;
pix_size = frame->width * frame->height;
}
}
- dbg("PHYS_ADDR: type= %d, y= 0x%X cb= 0x%X cr= 0x%X ret= %d",
- type, paddr->y, paddr->cb, paddr->cr, ret);
+ dbg("PHYS_ADDR: y= 0x%X cb= 0x%X cr= 0x%X ret= %d",
+ paddr->y, paddr->cb, paddr->cr, ret);
return ret;
}
*
* Return: 0 if dimensions are valid or non zero otherwise.
*/
-static int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags)
+int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags)
{
struct fimc_frame *s_frame, *d_frame;
struct fimc_vid_buffer *buf = NULL;
d_frame = &ctx->d_frame;
if (flags & FIMC_PARAMS) {
- if ((ctx->out_path == FIMC_DMA) &&
- (ctx->rotation == 90 || ctx->rotation == 270)) {
- swap(d_frame->f_width, d_frame->f_height);
- swap(d_frame->width, d_frame->height);
- }
-
/* Prepare the DMA offset ratios for scaler. */
fimc_prepare_dma_offset(ctx, &ctx->s_frame);
fimc_prepare_dma_offset(ctx, &ctx->d_frame);
if (flags & FIMC_SRC_ADDR) {
buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
- ret = fimc_prepare_addr(ctx, buf,
- V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ ret = fimc_prepare_addr(ctx, buf, s_frame, &s_frame->paddr);
if (ret)
return ret;
}
if (flags & FIMC_DST_ADDR) {
buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
- ret = fimc_prepare_addr(ctx, buf,
- V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ ret = fimc_prepare_addr(ctx, buf, d_frame, &d_frame->paddr);
}
return ret;
ctx->state |= (FIMC_SRC_ADDR | FIMC_DST_ADDR);
ret = fimc_prepare_config(ctx, ctx->state);
if (ret) {
- err("general configuration error");
+ err("Wrong parameters");
goto dma_unlock;
}
-
- if (fimc->m2m.ctx != ctx)
+ /* Reconfigure hardware if the context has changed. */
+ if (fimc->m2m.ctx != ctx) {
ctx->state |= FIMC_PARAMS;
+ fimc->m2m.ctx = ctx;
+ }
fimc_hw_set_input_addr(fimc, &ctx->s_frame.paddr);
fimc_hw_set_input_path(ctx);
fimc_hw_set_in_dma(ctx);
if (fimc_set_scaler_info(ctx)) {
- err("scaler configuration error");
+ err("Scaler setup error");
goto dma_unlock;
}
- fimc_hw_set_prescaler(ctx);
fimc_hw_set_scaler(ctx);
fimc_hw_set_target_format(ctx);
fimc_hw_set_rotation(ctx);
fimc_hw_set_output_path(ctx);
if (ctx->state & (FIMC_DST_ADDR | FIMC_PARAMS))
- fimc_hw_set_output_addr(fimc, &ctx->d_frame.paddr);
+ fimc_hw_set_output_addr(fimc, &ctx->d_frame.paddr, -1);
if (ctx->state & FIMC_PARAMS)
fimc_hw_set_out_dma(ctx);
- if (ctx->scaler.enabled)
- fimc_hw_start_scaler(fimc);
- fimc_hw_en_capture(ctx);
+ fimc_activate_capture(ctx);
- ctx->state = 0;
- fimc_hw_start_in_dma(fimc);
-
- fimc->m2m.ctx = ctx;
+ ctx->state &= (FIMC_CTX_M2M | FIMC_CTX_CAP);
+ fimc_hw_activate_input_dma(fimc, true);
dma_unlock:
spin_unlock_irqrestore(&ctx->slock, flags);
struct fimc_ctx *ctx = vq->priv_data;
struct fimc_frame *frame;
- frame = ctx_m2m_get_frame(ctx, vq->type);
+ frame = ctx_get_frame(ctx, vq->type);
if (IS_ERR(frame))
return PTR_ERR(frame);
struct fimc_frame *frame;
int ret;
- frame = ctx_m2m_get_frame(ctx, vq->type);
+ frame = ctx_get_frame(ctx, vq->type);
if (IS_ERR(frame))
return PTR_ERR(frame);
struct videobuf_buffer *vb)
{
struct fimc_ctx *ctx = vq->priv_data;
- v4l2_m2m_buf_queue(ctx->m2m_ctx, vq, vb);
+ struct fimc_dev *fimc = ctx->fimc_dev;
+ struct fimc_vid_cap *cap = &fimc->vid_cap;
+ unsigned long flags;
+
+ dbg("ctx: %p, ctx->state: 0x%x", ctx, ctx->state);
+
+ if ((ctx->state & FIMC_CTX_M2M) && ctx->m2m_ctx) {
+ v4l2_m2m_buf_queue(ctx->m2m_ctx, vq, vb);
+ } else if (ctx->state & FIMC_CTX_CAP) {
+ spin_lock_irqsave(&fimc->slock, flags);
+ fimc_vid_cap_buf_queue(fimc, (struct fimc_vid_buffer *)vb);
+
+ dbg("fimc->cap.active_buf_cnt: %d",
+ fimc->vid_cap.active_buf_cnt);
+
+ if (cap->active_buf_cnt >= cap->reqbufs_count ||
+ cap->active_buf_cnt >= FIMC_MAX_OUT_BUFS) {
+ if (!test_and_set_bit(ST_CAPT_STREAM, &fimc->state))
+ fimc_activate_capture(ctx);
+ }
+ spin_unlock_irqrestore(&fimc->slock, flags);
+ }
}
-static struct videobuf_queue_ops fimc_qops = {
+struct videobuf_queue_ops fimc_qops = {
.buf_setup = fimc_buf_setup,
.buf_prepare = fimc_buf_prepare,
.buf_queue = fimc_buf_queue,
return 0;
}
-static int fimc_m2m_enum_fmt(struct file *file, void *priv,
+int fimc_vidioc_enum_fmt(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
struct fimc_fmt *fmt;
fmt = &fimc_formats[f->index];
strncpy(f->description, fmt->name, sizeof(f->description) - 1);
f->pixelformat = fmt->fourcc;
+
return 0;
}
-static int fimc_m2m_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
+int fimc_vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
{
struct fimc_ctx *ctx = priv;
+ struct fimc_dev *fimc = ctx->fimc_dev;
struct fimc_frame *frame;
- frame = ctx_m2m_get_frame(ctx, f->type);
+ frame = ctx_get_frame(ctx, f->type);
if (IS_ERR(frame))
return PTR_ERR(frame);
+ if (mutex_lock_interruptible(&fimc->lock))
+ return -ERESTARTSYS;
+
f->fmt.pix.width = frame->width;
f->fmt.pix.height = frame->height;
f->fmt.pix.field = V4L2_FIELD_NONE;
f->fmt.pix.pixelformat = frame->fmt->fourcc;
+ mutex_unlock(&fimc->lock);
return 0;
}
-static struct fimc_fmt *find_format(struct v4l2_format *f)
+struct fimc_fmt *find_format(struct v4l2_format *f, unsigned int mask)
{
struct fimc_fmt *fmt;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) {
fmt = &fimc_formats[i];
- if (fmt->fourcc == f->fmt.pix.pixelformat)
+ if (fmt->fourcc == f->fmt.pix.pixelformat &&
+ (fmt->flags & mask))
break;
}
- if (i == ARRAY_SIZE(fimc_formats))
- return NULL;
- return fmt;
+ return (i == ARRAY_SIZE(fimc_formats)) ? NULL : fmt;
}
-static int fimc_m2m_try_fmt(struct file *file, void *priv,
- struct v4l2_format *f)
+struct fimc_fmt *find_mbus_format(struct v4l2_mbus_framefmt *f,
+ unsigned int mask)
{
struct fimc_fmt *fmt;
- u32 max_width, max_height, mod_x, mod_y;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) {
+ fmt = &fimc_formats[i];
+ if (fmt->mbus_code == f->code && (fmt->flags & mask))
+ break;
+ }
+
+ return (i == ARRAY_SIZE(fimc_formats)) ? NULL : fmt;
+}
+
+
+int fimc_vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
+{
struct fimc_ctx *ctx = priv;
struct fimc_dev *fimc = ctx->fimc_dev;
- struct v4l2_pix_format *pix = &f->fmt.pix;
struct samsung_fimc_variant *variant = fimc->variant;
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+ struct fimc_fmt *fmt;
+ u32 max_width, mod_x, mod_y, mask;
+ int ret = -EINVAL, is_output = 0;
- fmt = find_format(f);
- if (!fmt) {
- v4l2_err(&fimc->m2m.v4l2_dev,
- "Fourcc format (0x%X) invalid.\n", pix->pixelformat);
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+ if (ctx->state & FIMC_CTX_CAP)
+ return -EINVAL;
+ is_output = 1;
+ } else if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
return -EINVAL;
}
+ dbg("w: %d, h: %d, bpl: %d",
+ pix->width, pix->height, pix->bytesperline);
+
+ if (mutex_lock_interruptible(&fimc->lock))
+ return -ERESTARTSYS;
+
+ mask = is_output ? FMT_FLAGS_M2M : FMT_FLAGS_M2M | FMT_FLAGS_CAM;
+ fmt = find_format(f, mask);
+ if (!fmt) {
+ v4l2_err(&fimc->m2m.v4l2_dev, "Fourcc format (0x%X) invalid.\n",
+ pix->pixelformat);
+ goto tf_out;
+ }
+
if (pix->field == V4L2_FIELD_ANY)
pix->field = V4L2_FIELD_NONE;
else if (V4L2_FIELD_NONE != pix->field)
- return -EINVAL;
+ goto tf_out;
- if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
- max_width = variant->scaler_dis_w;
- max_height = variant->scaler_dis_w;
- mod_x = variant->min_inp_pixsize;
- mod_y = variant->min_inp_pixsize;
- } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- max_width = variant->out_rot_dis_w;
- max_height = variant->out_rot_dis_w;
- mod_x = variant->min_out_pixsize;
- mod_y = variant->min_out_pixsize;
+ if (is_output) {
+ max_width = variant->pix_limit->scaler_dis_w;
+ mod_x = ffs(variant->min_inp_pixsize) - 1;
} else {
- err("Wrong stream type (%d)", f->type);
- return -EINVAL;
+ max_width = variant->pix_limit->out_rot_dis_w;
+ mod_x = ffs(variant->min_out_pixsize) - 1;
}
- dbg("max_w= %d, max_h= %d", max_width, max_height);
-
- if (pix->height > max_height)
- pix->height = max_height;
- if (pix->width > max_width)
- pix->width = max_width;
-
if (tiled_fmt(fmt)) {
- mod_x = 64; /* 64x32 tile */
- mod_y = 32;
+ mod_x = 6; /* 64 x 32 pixels tile */
+ mod_y = 5;
+ } else {
+ if (fimc->id == 1 && fimc->variant->pix_hoff)
+ mod_y = fimc_fmt_is_rgb(fmt->color) ? 0 : 1;
+ else
+ mod_y = mod_x;
}
- dbg("mod_x= 0x%X, mod_y= 0x%X", mod_x, mod_y);
+ dbg("mod_x: %d, mod_y: %d, max_w: %d", mod_x, mod_y, max_width);
- pix->width = (pix->width == 0) ? mod_x : ALIGN(pix->width, mod_x);
- pix->height = (pix->height == 0) ? mod_y : ALIGN(pix->height, mod_y);
+ v4l_bound_align_image(&pix->width, 16, max_width, mod_x,
+ &pix->height, 8, variant->pix_limit->scaler_dis_w, mod_y, 0);
if (pix->bytesperline == 0 ||
- pix->bytesperline * 8 / fmt->depth > pix->width)
+ (pix->bytesperline * 8 / fmt->depth) > pix->width)
pix->bytesperline = (pix->width * fmt->depth) >> 3;
if (pix->sizeimage == 0)
pix->sizeimage = pix->height * pix->bytesperline;
- dbg("pix->bytesperline= %d, fmt->depth= %d",
- pix->bytesperline, fmt->depth);
+ dbg("w: %d, h: %d, bpl: %d, depth: %d",
+ pix->width, pix->height, pix->bytesperline, fmt->depth);
- return 0;
-}
+ ret = 0;
+tf_out:
+ mutex_unlock(&fimc->lock);
+ return ret;
+}
static int fimc_m2m_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
{
struct fimc_ctx *ctx = priv;
- struct v4l2_device *v4l2_dev = &ctx->fimc_dev->m2m.v4l2_dev;
- struct videobuf_queue *src_vq, *dst_vq;
+ struct fimc_dev *fimc = ctx->fimc_dev;
+ struct v4l2_device *v4l2_dev = &fimc->m2m.v4l2_dev;
+ struct videobuf_queue *vq;
struct fimc_frame *frame;
struct v4l2_pix_format *pix;
unsigned long flags;
int ret = 0;
- BUG_ON(!ctx);
-
- ret = fimc_m2m_try_fmt(file, priv, f);
+ ret = fimc_vidioc_try_fmt(file, priv, f);
if (ret)
return ret;
- mutex_lock(&ctx->fimc_dev->lock);
+ if (mutex_lock_interruptible(&fimc->lock))
+ return -ERESTARTSYS;
- src_vq = v4l2_m2m_get_src_vq(ctx->m2m_ctx);
- dst_vq = v4l2_m2m_get_dst_vq(ctx->m2m_ctx);
+ vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
+ mutex_lock(&vq->vb_lock);
- mutex_lock(&src_vq->vb_lock);
- mutex_lock(&dst_vq->vb_lock);
+ if (videobuf_queue_is_busy(vq)) {
+ v4l2_err(v4l2_dev, "%s: queue (%d) busy\n", __func__, f->type);
+ ret = -EBUSY;
+ goto sf_out;
+ }
+ spin_lock_irqsave(&ctx->slock, flags);
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
- if (videobuf_queue_is_busy(src_vq)) {
- v4l2_err(v4l2_dev, "%s queue busy\n", __func__);
- ret = -EBUSY;
- goto s_fmt_out;
- }
frame = &ctx->s_frame;
- spin_lock_irqsave(&ctx->slock, flags);
ctx->state |= FIMC_SRC_FMT;
- spin_unlock_irqrestore(&ctx->slock, flags);
-
} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- if (videobuf_queue_is_busy(dst_vq)) {
- v4l2_err(v4l2_dev, "%s queue busy\n", __func__);
- ret = -EBUSY;
- goto s_fmt_out;
- }
frame = &ctx->d_frame;
- spin_lock_irqsave(&ctx->slock, flags);
ctx->state |= FIMC_DST_FMT;
- spin_unlock_irqrestore(&ctx->slock, flags);
} else {
+ spin_unlock_irqrestore(&ctx->slock, flags);
v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev,
"Wrong buffer/video queue type (%d)\n", f->type);
ret = -EINVAL;
- goto s_fmt_out;
+ goto sf_out;
}
+ spin_unlock_irqrestore(&ctx->slock, flags);
pix = &f->fmt.pix;
- frame->fmt = find_format(f);
+ frame->fmt = find_format(f, FMT_FLAGS_M2M);
if (!frame->fmt) {
ret = -EINVAL;
- goto s_fmt_out;
+ goto sf_out;
}
- frame->f_width = pix->bytesperline * 8 / frame->fmt->depth;
- frame->f_height = pix->sizeimage/pix->bytesperline;
- frame->width = pix->width;
- frame->height = pix->height;
- frame->o_width = pix->width;
+ frame->f_width = pix->bytesperline * 8 / frame->fmt->depth;
+ frame->f_height = pix->height;
+ frame->width = pix->width;
+ frame->height = pix->height;
+ frame->o_width = pix->width;
frame->o_height = pix->height;
- frame->offs_h = 0;
- frame->offs_v = 0;
- frame->size = (pix->width * pix->height * frame->fmt->depth) >> 3;
- src_vq->field = dst_vq->field = pix->field;
+ frame->offs_h = 0;
+ frame->offs_v = 0;
+ frame->size = (pix->width * pix->height * frame->fmt->depth) >> 3;
+ vq->field = pix->field;
+
spin_lock_irqsave(&ctx->slock, flags);
ctx->state |= FIMC_PARAMS;
spin_unlock_irqrestore(&ctx->slock, flags);
- dbg("f_width= %d, f_height= %d", frame->f_width, frame->f_height);
+ dbg("f_w: %d, f_h: %d", frame->f_width, frame->f_height);
-s_fmt_out:
- mutex_unlock(&dst_vq->vb_lock);
- mutex_unlock(&src_vq->vb_lock);
- mutex_unlock(&ctx->fimc_dev->lock);
+sf_out:
+ mutex_unlock(&vq->vb_lock);
+ mutex_unlock(&fimc->lock);
return ret;
}
return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
}
-int fimc_m2m_queryctrl(struct file *file, void *priv,
+int fimc_vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qc)
{
+ struct fimc_ctx *ctx = priv;
struct v4l2_queryctrl *c;
+
c = get_ctrl(qc->id);
- if (!c)
- return -EINVAL;
- *qc = *c;
- return 0;
+ if (c) {
+ *qc = *c;
+ return 0;
+ }
+
+ if (ctx->state & FIMC_CTX_CAP)
+ return v4l2_subdev_call(ctx->fimc_dev->vid_cap.sd,
+ core, queryctrl, qc);
+ return -EINVAL;
}
-int fimc_m2m_g_ctrl(struct file *file, void *priv,
+int fimc_vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct fimc_ctx *ctx = priv;
+ struct fimc_dev *fimc = ctx->fimc_dev;
+ int ret = 0;
+
+ if (mutex_lock_interruptible(&fimc->lock))
+ return -ERESTARTSYS;
switch (ctrl->id) {
case V4L2_CID_HFLIP:
ctrl->value = ctx->rotation;
break;
default:
- v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, "Invalid control\n");
- return -EINVAL;
+ if (ctx->state & FIMC_CTX_CAP) {
+ ret = v4l2_subdev_call(fimc->vid_cap.sd, core,
+ g_ctrl, ctrl);
+ } else {
+ v4l2_err(&fimc->m2m.v4l2_dev,
+ "Invalid control\n");
+ ret = -EINVAL;
+ }
}
dbg("ctrl->value= %d", ctrl->value);
- return 0;
+
+ mutex_unlock(&fimc->lock);
+ return ret;
}
-static int check_ctrl_val(struct fimc_ctx *ctx,
- struct v4l2_control *ctrl)
+int check_ctrl_val(struct fimc_ctx *ctx, struct v4l2_control *ctrl)
{
struct v4l2_queryctrl *c;
c = get_ctrl(ctrl->id);
return 0;
}
-int fimc_m2m_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
+int fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_control *ctrl)
{
- struct fimc_ctx *ctx = priv;
struct samsung_fimc_variant *variant = ctx->fimc_dev->variant;
+ struct fimc_dev *fimc = ctx->fimc_dev;
unsigned long flags;
- int ret = 0;
- ret = check_ctrl_val(ctx, ctrl);
- if (ret)
- return ret;
+ if (ctx->rotation != 0 &&
+ (ctrl->id == V4L2_CID_HFLIP || ctrl->id == V4L2_CID_VFLIP)) {
+ v4l2_err(&fimc->m2m.v4l2_dev,
+ "Simultaneous flip and rotation is not supported\n");
+ return -EINVAL;
+ }
+
+ spin_lock_irqsave(&ctx->slock, flags);
switch (ctrl->id) {
case V4L2_CID_HFLIP:
- if (ctx->rotation != 0)
- return 0;
if (ctrl->value)
ctx->flip |= FLIP_X_AXIS;
else
break;
case V4L2_CID_VFLIP:
- if (ctx->rotation != 0)
- return 0;
if (ctrl->value)
ctx->flip |= FLIP_Y_AXIS;
else
break;
case V4L2_CID_ROTATE:
- if (ctrl->value == 90 || ctrl->value == 270) {
- if (ctx->out_path == FIMC_LCDFIFO &&
- !variant->has_inp_rot) {
- return -EINVAL;
- } else if (ctx->in_path == FIMC_DMA &&
- !variant->has_out_rot) {
- return -EINVAL;
- }
+ /* Check for the output rotator availability */
+ if ((ctrl->value == 90 || ctrl->value == 270) &&
+ (ctx->in_path == FIMC_DMA && !variant->has_out_rot)) {
+ spin_unlock_irqrestore(&ctx->slock, flags);
+ return -EINVAL;
+ } else {
+ ctx->rotation = ctrl->value;
}
- ctx->rotation = ctrl->value;
- if (ctrl->value == 180)
- ctx->flip = FLIP_XY_AXIS;
break;
default:
- v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, "Invalid control\n");
+ spin_unlock_irqrestore(&ctx->slock, flags);
+ v4l2_err(&fimc->m2m.v4l2_dev, "Invalid control\n");
return -EINVAL;
}
- spin_lock_irqsave(&ctx->slock, flags);
ctx->state |= FIMC_PARAMS;
spin_unlock_irqrestore(&ctx->slock, flags);
+
return 0;
}
+static int fimc_m2m_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct fimc_ctx *ctx = priv;
+ int ret = 0;
+
+ ret = check_ctrl_val(ctx, ctrl);
+ if (ret)
+ return ret;
+
+ ret = fimc_s_ctrl(ctx, ctrl);
+ return 0;
+}
-static int fimc_m2m_cropcap(struct file *file, void *fh,
- struct v4l2_cropcap *cr)
+int fimc_vidioc_cropcap(struct file *file, void *fh,
+ struct v4l2_cropcap *cr)
{
struct fimc_frame *frame;
struct fimc_ctx *ctx = fh;
+ struct fimc_dev *fimc = ctx->fimc_dev;
- frame = ctx_m2m_get_frame(ctx, cr->type);
+ frame = ctx_get_frame(ctx, cr->type);
if (IS_ERR(frame))
return PTR_ERR(frame);
- cr->bounds.left = 0;
- cr->bounds.top = 0;
- cr->bounds.width = frame->f_width;
- cr->bounds.height = frame->f_height;
- cr->defrect.left = frame->offs_h;
- cr->defrect.top = frame->offs_v;
- cr->defrect.width = frame->o_width;
- cr->defrect.height = frame->o_height;
+ if (mutex_lock_interruptible(&fimc->lock))
+ return -ERESTARTSYS;
+
+ cr->bounds.left = 0;
+ cr->bounds.top = 0;
+ cr->bounds.width = frame->f_width;
+ cr->bounds.height = frame->f_height;
+ cr->defrect = cr->bounds;
+
+ mutex_unlock(&fimc->lock);
return 0;
}
-static int fimc_m2m_g_crop(struct file *file, void *fh, struct v4l2_crop *cr)
+int fimc_vidioc_g_crop(struct file *file, void *fh, struct v4l2_crop *cr)
{
struct fimc_frame *frame;
struct fimc_ctx *ctx = file->private_data;
+ struct fimc_dev *fimc = ctx->fimc_dev;
- frame = ctx_m2m_get_frame(ctx, cr->type);
+ frame = ctx_get_frame(ctx, cr->type);
if (IS_ERR(frame))
return PTR_ERR(frame);
+ if (mutex_lock_interruptible(&fimc->lock))
+ return -ERESTARTSYS;
+
cr->c.left = frame->offs_h;
cr->c.top = frame->offs_v;
cr->c.width = frame->width;
cr->c.height = frame->height;
+ mutex_unlock(&fimc->lock);
return 0;
}
-static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr)
+int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr)
{
- struct fimc_ctx *ctx = file->private_data;
struct fimc_dev *fimc = ctx->fimc_dev;
- unsigned long flags;
struct fimc_frame *f;
- u32 min_size;
- int ret = 0;
+ u32 min_size, halign;
+
+ f = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ?
+ &ctx->s_frame : &ctx->d_frame;
if (cr->c.top < 0 || cr->c.left < 0) {
v4l2_err(&fimc->m2m.v4l2_dev,
return -EINVAL;
}
- if (cr->c.width <= 0 || cr->c.height <= 0) {
- v4l2_err(&fimc->m2m.v4l2_dev,
- "crop width and height must be greater than 0\n");
- return -EINVAL;
- }
-
- f = ctx_m2m_get_frame(ctx, cr->type);
+ f = ctx_get_frame(ctx, cr->type);
if (IS_ERR(f))
return PTR_ERR(f);
- /* Adjust to required pixel boundary. */
- min_size = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ?
- fimc->variant->min_inp_pixsize : fimc->variant->min_out_pixsize;
-
- cr->c.width = round_down(cr->c.width, min_size);
- cr->c.height = round_down(cr->c.height, min_size);
- cr->c.left = round_down(cr->c.left + 1, min_size);
- cr->c.top = round_down(cr->c.top + 1, min_size);
+ min_size = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ ? fimc->variant->min_inp_pixsize
+ : fimc->variant->min_out_pixsize;
- if ((cr->c.left + cr->c.width > f->o_width)
- || (cr->c.top + cr->c.height > f->o_height)) {
- v4l2_err(&fimc->m2m.v4l2_dev, "Error in S_CROP params\n");
- return -EINVAL;
+ if (ctx->state & FIMC_CTX_M2M) {
+ if (fimc->id == 1 && fimc->variant->pix_hoff)
+ halign = fimc_fmt_is_rgb(f->fmt->color) ? 0 : 1;
+ else
+ halign = ffs(min_size) - 1;
+ /* there are more strict aligment requirements at camera interface */
+ } else {
+ min_size = 16;
+ halign = 4;
}
+ v4l_bound_align_image(&cr->c.width, min_size, f->o_width,
+ ffs(min_size) - 1,
+ &cr->c.height, min_size, f->o_height,
+ halign, 64/(ALIGN(f->fmt->depth, 8)));
+
+ /* adjust left/top if cropping rectangle is out of bounds */
+ if (cr->c.left + cr->c.width > f->o_width)
+ cr->c.left = f->o_width - cr->c.width;
+ if (cr->c.top + cr->c.height > f->o_height)
+ cr->c.top = f->o_height - cr->c.height;
+
+ cr->c.left = round_down(cr->c.left, min_size);
+ cr->c.top = round_down(cr->c.top,
+ ctx->state & FIMC_CTX_M2M ? 8 : 16);
+
+ dbg("l:%d, t:%d, w:%d, h:%d, f_w: %d, f_h: %d",
+ cr->c.left, cr->c.top, cr->c.width, cr->c.height,
+ f->f_width, f->f_height);
+
+ return 0;
+}
+
+
+static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr)
+{
+ struct fimc_ctx *ctx = file->private_data;
+ struct fimc_dev *fimc = ctx->fimc_dev;
+ unsigned long flags;
+ struct fimc_frame *f;
+ int ret;
+
+ ret = fimc_try_crop(ctx, cr);
+ if (ret)
+ return ret;
+
+ f = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ?
+ &ctx->s_frame : &ctx->d_frame;
+
spin_lock_irqsave(&ctx->slock, flags);
- if ((ctx->state & FIMC_SRC_FMT) && (ctx->state & FIMC_DST_FMT)) {
- /* Check for the pixel scaling ratio when cropping input img. */
+ if (~ctx->state & (FIMC_SRC_FMT | FIMC_DST_FMT)) {
+ /* Check to see if scaling ratio is within supported range */
if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
ret = fimc_check_scaler_ratio(&cr->c, &ctx->d_frame);
- else if (cr->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ else
ret = fimc_check_scaler_ratio(&cr->c, &ctx->s_frame);
-
if (ret) {
spin_unlock_irqrestore(&ctx->slock, flags);
- v4l2_err(&fimc->m2m.v4l2_dev, "Out of scaler range");
+ v4l2_err(&fimc->m2m.v4l2_dev, "Out of scaler range");
return -EINVAL;
}
}
ctx->state |= FIMC_PARAMS;
- spin_unlock_irqrestore(&ctx->slock, flags);
f->offs_h = cr->c.left;
f->offs_v = cr->c.top;
- f->width = cr->c.width;
+ f->width = cr->c.width;
f->height = cr->c.height;
+
+ spin_unlock_irqrestore(&ctx->slock, flags);
return 0;
}
static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = {
.vidioc_querycap = fimc_m2m_querycap,
- .vidioc_enum_fmt_vid_cap = fimc_m2m_enum_fmt,
- .vidioc_enum_fmt_vid_out = fimc_m2m_enum_fmt,
+ .vidioc_enum_fmt_vid_cap = fimc_vidioc_enum_fmt,
+ .vidioc_enum_fmt_vid_out = fimc_vidioc_enum_fmt,
- .vidioc_g_fmt_vid_cap = fimc_m2m_g_fmt,
- .vidioc_g_fmt_vid_out = fimc_m2m_g_fmt,
+ .vidioc_g_fmt_vid_cap = fimc_vidioc_g_fmt,
+ .vidioc_g_fmt_vid_out = fimc_vidioc_g_fmt,
- .vidioc_try_fmt_vid_cap = fimc_m2m_try_fmt,
- .vidioc_try_fmt_vid_out = fimc_m2m_try_fmt,
+ .vidioc_try_fmt_vid_cap = fimc_vidioc_try_fmt,
+ .vidioc_try_fmt_vid_out = fimc_vidioc_try_fmt,
.vidioc_s_fmt_vid_cap = fimc_m2m_s_fmt,
.vidioc_s_fmt_vid_out = fimc_m2m_s_fmt,
.vidioc_streamon = fimc_m2m_streamon,
.vidioc_streamoff = fimc_m2m_streamoff,
- .vidioc_queryctrl = fimc_m2m_queryctrl,
- .vidioc_g_ctrl = fimc_m2m_g_ctrl,
+ .vidioc_queryctrl = fimc_vidioc_queryctrl,
+ .vidioc_g_ctrl = fimc_vidioc_g_ctrl,
.vidioc_s_ctrl = fimc_m2m_s_ctrl,
- .vidioc_g_crop = fimc_m2m_g_crop,
+ .vidioc_g_crop = fimc_vidioc_g_crop,
.vidioc_s_crop = fimc_m2m_s_crop,
- .vidioc_cropcap = fimc_m2m_cropcap
+ .vidioc_cropcap = fimc_vidioc_cropcap
};
struct fimc_dev *fimc = ctx->fimc_dev;
videobuf_queue_dma_contig_init(vq, &fimc_qops,
- fimc->m2m.v4l2_dev.dev,
+ &fimc->pdev->dev,
&fimc->irqlock, type, V4L2_FIELD_NONE,
- sizeof(struct fimc_vid_buffer), priv);
+ sizeof(struct fimc_vid_buffer), priv, NULL);
}
static int fimc_m2m_open(struct file *file)
struct fimc_ctx *ctx = NULL;
int err = 0;
- mutex_lock(&fimc->lock);
+ if (mutex_lock_interruptible(&fimc->lock))
+ return -ERESTARTSYS;
+
+ dbg("pid: %d, state: 0x%lx, refcnt: %d",
+ task_pid_nr(current), fimc->state, fimc->vid_cap.refcnt);
+
+ /*
+ * Return if the corresponding video capture node
+ * is already opened.
+ */
+ if (fimc->vid_cap.refcnt > 0) {
+ err = -EBUSY;
+ goto err_unlock;
+ }
+
fimc->m2m.refcnt++;
set_bit(ST_OUTDMA_RUN, &fimc->state);
- mutex_unlock(&fimc->lock);
-
ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
+ if (!ctx) {
+ err = -ENOMEM;
+ goto err_unlock;
+ }
file->private_data = ctx;
ctx->fimc_dev = fimc;
- /* default format */
+ /* Default color format */
ctx->s_frame.fmt = &fimc_formats[0];
ctx->d_frame.fmt = &fimc_formats[0];
- /* per user process device context initialization */
- ctx->state = 0;
+ /* Setup the device context for mem2mem mode. */
+ ctx->state = FIMC_CTX_M2M;
ctx->flags = 0;
- ctx->effect.type = S5P_FIMC_EFFECT_ORIGINAL;
ctx->in_path = FIMC_DMA;
ctx->out_path = FIMC_DMA;
spin_lock_init(&ctx->slock);
err = PTR_ERR(ctx->m2m_ctx);
kfree(ctx);
}
+
+err_unlock:
+ mutex_unlock(&fimc->lock);
return err;
}
struct fimc_ctx *ctx = file->private_data;
struct fimc_dev *fimc = ctx->fimc_dev;
+ mutex_lock(&fimc->lock);
+
+ dbg("pid: %d, state: 0x%lx, refcnt= %d",
+ task_pid_nr(current), fimc->state, fimc->m2m.refcnt);
+
v4l2_m2m_ctx_release(ctx->m2m_ctx);
kfree(ctx);
- mutex_lock(&fimc->lock);
if (--fimc->m2m.refcnt <= 0)
clear_bit(ST_OUTDMA_RUN, &fimc->state);
+
mutex_unlock(&fimc->lock);
return 0;
}
struct poll_table_struct *wait)
{
struct fimc_ctx *ctx = file->private_data;
+
return v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
}
static int fimc_m2m_mmap(struct file *file, struct vm_area_struct *vma)
{
struct fimc_ctx *ctx = file->private_data;
+
return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
}
ret = v4l2_device_register(&pdev->dev, v4l2_dev);
if (ret)
- return ret;;
+ goto err_m2m_r1;
vfd = video_device_alloc();
if (!vfd) {
if (fimc) {
v4l2_m2m_release(fimc->m2m.m2m_dev);
video_unregister_device(fimc->m2m.vfd);
- video_device_release(fimc->m2m.vfd);
+
v4l2_device_unregister(&fimc->m2m.v4l2_dev);
}
}
drv_data = (struct samsung_fimc_driverdata *)
platform_get_device_id(pdev)->driver_data;
- if (pdev->id >= drv_data->devs_cnt) {
+ if (pdev->id >= drv_data->num_entities) {
dev_err(&pdev->dev, "Invalid platform device id: %d\n",
pdev->id);
return -EINVAL;
fimc->id = pdev->id;
fimc->variant = drv_data->variant[fimc->id];
fimc->pdev = pdev;
+ fimc->pdata = pdev->dev.platform_data;
fimc->state = ST_IDLE;
spin_lock_init(&fimc->irqlock);
+ init_waitqueue_head(&fimc->irq_queue);
spin_lock_init(&fimc->slock);
mutex_init(&fimc->lock);
ret = fimc_clk_get(fimc);
if (ret)
goto err_regs_unmap;
+ clk_set_rate(fimc->clock[0], drv_data->lclk_frequency);
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res) {
goto err_clk;
}
- fimc->work_queue = create_workqueue(dev_name(&fimc->pdev->dev));
- if (!fimc->work_queue) {
- ret = -ENOMEM;
- goto err_irq;
- }
-
ret = fimc_register_m2m_device(fimc);
if (ret)
- goto err_wq;
+ goto err_irq;
+
+ /* At least one camera sensor is required to register capture node */
+ if (fimc->pdata) {
+ int i;
+ for (i = 0; i < FIMC_MAX_CAMIF_CLIENTS; ++i)
+ if (fimc->pdata->isp_info[i])
+ break;
+
+ if (i < FIMC_MAX_CAMIF_CLIENTS) {
+ ret = fimc_register_capture_device(fimc);
+ if (ret)
+ goto err_m2m;
+ }
+ }
- fimc_hw_en_lastirq(fimc, true);
+ /*
+ * Exclude the additional output DMA address registers by masking
+ * them out on HW revisions that provide extended capabilites.
+ */
+ if (fimc->variant->out_buf_count > 4)
+ fimc_hw_set_dma_seq(fimc, 0xF);
dev_dbg(&pdev->dev, "%s(): fimc-%d registered successfully\n",
__func__, fimc->id);
return 0;
-err_wq:
- destroy_workqueue(fimc->work_queue);
+err_m2m:
+ fimc_unregister_m2m_device(fimc);
err_irq:
free_irq(fimc->irq, fimc);
err_clk:
kfree(fimc->regs_res);
err_info:
kfree(fimc);
- dev_err(&pdev->dev, "failed to install\n");
+
return ret;
}
struct fimc_dev *fimc =
(struct fimc_dev *)platform_get_drvdata(pdev);
- v4l2_info(&fimc->m2m.v4l2_dev, "Removing %s\n", pdev->name);
-
free_irq(fimc->irq, fimc);
-
fimc_hw_reset(fimc);
fimc_unregister_m2m_device(fimc);
+ fimc_unregister_capture_device(fimc);
+
fimc_clk_release(fimc);
iounmap(fimc->regs);
release_resource(fimc->regs_res);
kfree(fimc->regs_res);
kfree(fimc);
+
+ dev_info(&pdev->dev, "%s driver unloaded\n", pdev->name);
return 0;
}
-static struct samsung_fimc_variant fimc01_variant_s5p = {
- .has_inp_rot = 1,
- .has_out_rot = 1,
+/* Image pixel limits, similar across several FIMC HW revisions. */
+static struct fimc_pix_limit s5p_pix_limit[3] = {
+ [0] = {
+ .scaler_en_w = 3264,
+ .scaler_dis_w = 8192,
+ .in_rot_en_h = 1920,
+ .in_rot_dis_w = 8192,
+ .out_rot_en_w = 1920,
+ .out_rot_dis_w = 4224,
+ },
+ [1] = {
+ .scaler_en_w = 4224,
+ .scaler_dis_w = 8192,
+ .in_rot_en_h = 1920,
+ .in_rot_dis_w = 8192,
+ .out_rot_en_w = 1920,
+ .out_rot_dis_w = 4224,
+ },
+ [2] = {
+ .scaler_en_w = 1920,
+ .scaler_dis_w = 8192,
+ .in_rot_en_h = 1280,
+ .in_rot_dis_w = 8192,
+ .out_rot_en_w = 1280,
+ .out_rot_dis_w = 1920,
+ },
+};
+
+static struct samsung_fimc_variant fimc0_variant_s5p = {
+ .has_inp_rot = 1,
+ .has_out_rot = 1,
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
-
- .scaler_en_w = 3264,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1920,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1920,
- .out_rot_dis_w = 4224,
+ .hor_offs_align = 8,
+ .out_buf_count = 4,
+ .pix_limit = &s5p_pix_limit[0],
};
static struct samsung_fimc_variant fimc2_variant_s5p = {
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
+ .hor_offs_align = 8,
+ .out_buf_count = 4,
+ .pix_limit = &s5p_pix_limit[1],
+};
- .scaler_en_w = 4224,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1920,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1920,
- .out_rot_dis_w = 4224,
+static struct samsung_fimc_variant fimc0_variant_s5pv210 = {
+ .pix_hoff = 1,
+ .has_inp_rot = 1,
+ .has_out_rot = 1,
+ .min_inp_pixsize = 16,
+ .min_out_pixsize = 16,
+ .hor_offs_align = 8,
+ .out_buf_count = 4,
+ .pix_limit = &s5p_pix_limit[1],
};
-static struct samsung_fimc_variant fimc01_variant_s5pv210 = {
- .pix_hoff = 1,
- .has_inp_rot = 1,
- .has_out_rot = 1,
+static struct samsung_fimc_variant fimc1_variant_s5pv210 = {
+ .pix_hoff = 1,
+ .has_inp_rot = 1,
+ .has_out_rot = 1,
.min_inp_pixsize = 16,
- .min_out_pixsize = 32,
-
- .scaler_en_w = 4224,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1920,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1920,
- .out_rot_dis_w = 4224,
+ .min_out_pixsize = 16,
+ .hor_offs_align = 1,
+ .out_buf_count = 4,
+ .pix_limit = &s5p_pix_limit[2],
};
static struct samsung_fimc_variant fimc2_variant_s5pv210 = {
.pix_hoff = 1,
.min_inp_pixsize = 16,
- .min_out_pixsize = 32,
-
- .scaler_en_w = 1920,
- .scaler_dis_w = 8192,
- .in_rot_en_h = 1280,
- .in_rot_dis_w = 8192,
- .out_rot_en_w = 1280,
- .out_rot_dis_w = 1920,
+ .min_out_pixsize = 16,
+ .hor_offs_align = 8,
+ .out_buf_count = 4,
+ .pix_limit = &s5p_pix_limit[2],
+};
+
+static struct samsung_fimc_variant fimc0_variant_s5pv310 = {
+ .pix_hoff = 1,
+ .has_inp_rot = 1,
+ .has_out_rot = 1,
+ .min_inp_pixsize = 16,
+ .min_out_pixsize = 16,
+ .hor_offs_align = 1,
+ .out_buf_count = 32,
+ .pix_limit = &s5p_pix_limit[1],
+};
+
+static struct samsung_fimc_variant fimc2_variant_s5pv310 = {
+ .pix_hoff = 1,
+ .min_inp_pixsize = 16,
+ .min_out_pixsize = 16,
+ .hor_offs_align = 1,
+ .out_buf_count = 32,
+ .pix_limit = &s5p_pix_limit[2],
};
+/* S5PC100 */
static struct samsung_fimc_driverdata fimc_drvdata_s5p = {
.variant = {
- [0] = &fimc01_variant_s5p,
- [1] = &fimc01_variant_s5p,
+ [0] = &fimc0_variant_s5p,
+ [1] = &fimc0_variant_s5p,
[2] = &fimc2_variant_s5p,
},
- .devs_cnt = 3
+ .num_entities = 3,
+ .lclk_frequency = 133000000UL,
};
+/* S5PV210, S5PC110 */
static struct samsung_fimc_driverdata fimc_drvdata_s5pv210 = {
.variant = {
- [0] = &fimc01_variant_s5pv210,
- [1] = &fimc01_variant_s5pv210,
+ [0] = &fimc0_variant_s5pv210,
+ [1] = &fimc1_variant_s5pv210,
[2] = &fimc2_variant_s5pv210,
},
- .devs_cnt = 3
+ .num_entities = 3,
+ .lclk_frequency = 166000000UL,
+};
+
+/* S5PV310, S5PC210 */
+static struct samsung_fimc_driverdata fimc_drvdata_s5pv310 = {
+ .variant = {
+ [0] = &fimc0_variant_s5pv310,
+ [1] = &fimc0_variant_s5pv310,
+ [2] = &fimc0_variant_s5pv310,
+ [3] = &fimc2_variant_s5pv310,
+ },
+ .num_entities = 4,
+ .lclk_frequency = 166000000UL,
};
static struct platform_device_id fimc_driver_ids[] = {
}, {
.name = "s5pv210-fimc",
.driver_data = (unsigned long)&fimc_drvdata_s5pv210,
+ }, {
+ .name = "s5pv310-fimc",
+ .driver_data = (unsigned long)&fimc_drvdata_s5pv310,
},
{},
};
}
};
-static char banner[] __initdata = KERN_INFO
- "S5PC Camera Interface V4L2 Driver, (c) 2010 Samsung Electronics\n";
-
static int __init fimc_init(void)
{
- u32 ret;
- printk(banner);
-
- ret = platform_driver_register(&fimc_driver);
- if (ret) {
- printk(KERN_ERR "FIMC platform driver register failed\n");
- return -1;
- }
- return 0;
+ int ret = platform_driver_register(&fimc_driver);
+ if (ret)
+ err("platform_driver_register failed: %d\n", ret);
+ return ret;
}
static void __exit fimc_exit(void)
module_init(fimc_init);
module_exit(fimc_exit);
-MODULE_AUTHOR("Sylwester Nawrocki, s.nawrocki@samsung.com");
-MODULE_DESCRIPTION("S3C/S5P FIMC (video postprocessor) driver");
+MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
+MODULE_DESCRIPTION("S5P FIMC camera host interface/video postprocessor driver");
MODULE_LICENSE("GPL");
git.openpandora.org / pandora-kernel.git / blobdiff