This provides helper library to be used by
v4l2 level to program imaging pipelines and
control the streaming.
Signed-off-by: Yong Zhi <yong.zhi@xxxxxxxxx>
---
drivers/media/pci/intel/ipu3/ipu3-css.c | 1760 +++++++++++++++++++++++++++++++
1 file changed, 1760 insertions(+)
diff --git a/drivers/media/pci/intel/ipu3/ipu3-css.c b/drivers/media/pci/intel/ipu3/ipu3-css.c
index 164830f..c63b387 100644
--- a/drivers/media/pci/intel/ipu3/ipu3-css.c
+++ b/drivers/media/pci/intel/ipu3/ipu3-css.c
@@ -16,6 +16,173 @@
IMGU_IRQCTRL_IRQ_SW_PIN(0) | \
IMGU_IRQCTRL_IRQ_SW_PIN(1))
+#define IPU3_CSS_FORMAT_BPP_DEN 50 /* Denominator */
+
+/* Some sane limits for resolutions */
+#define IPU3_CSS_MIN_RES 32
+#define IPU3_CSS_MAX_H 3136
+#define IPU3_CSS_MAX_W 4224
+
+/* filter size from graph settings is fixed as 4 */
+#define FILTER_SIZE 4
+#define MIN_ENVELOPE 8
+
+/*
+ * pre-allocated buffer size for CSS ABI, auxiliary frames
+ * after BDS and before GDC. Those values should be tuned
+ * to big enough to avoid buffer re-allocation when
+ * streaming to lower streaming latency.
+ */
+#define CSS_ABI_SIZE 136
+#define CSS_BDS_SIZE (4480 * 3200 * 3)
+#define CSS_GDC_SIZE (4224 * 3200 * 12 / 8)
+
+#define IPU3_CSS_QUEUE_TO_FLAGS(q) (1 << (q))
+#define IPU3_CSS_FORMAT_FL_IN \
+ IPU3_CSS_QUEUE_TO_FLAGS(IPU3_CSS_QUEUE_IN)
+#define IPU3_CSS_FORMAT_FL_OUT \
+ IPU3_CSS_QUEUE_TO_FLAGS(IPU3_CSS_QUEUE_OUT)
+#define IPU3_CSS_FORMAT_FL_VF \
+ IPU3_CSS_QUEUE_TO_FLAGS(IPU3_CSS_QUEUE_VF)
+
+/* Formats supported by IPU3 Camera Sub System */
+static const struct ipu3_css_format ipu3_css_formats[] = {
+ {
+ .pixelformat = V4L2_PIX_FMT_NV12,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .frame_format = IMGU_ABI_FRAME_FORMAT_NV12,
+ .osys_format = IMGU_ABI_OSYS_FORMAT_NV12,
+ .osys_tiling = IMGU_ABI_OSYS_TILING_NONE,
+ .bytesperpixel_num = 1 * IPU3_CSS_FORMAT_BPP_DEN,
+ .chroma_decim = 4,
+ .width_align = IPU3_UAPI_ISP_VEC_ELEMS,
+ .flags = IPU3_CSS_FORMAT_FL_OUT | IPU3_CSS_FORMAT_FL_VF,
+ }, {
+ /* Each 32 bytes contains 25 10-bit pixels */
+ .pixelformat = V4L2_PIX_FMT_IPU3_SBGGR10,
+ .colorspace = V4L2_COLORSPACE_RAW,
+ .frame_format = IMGU_ABI_FRAME_FORMAT_RAW_PACKED,
+ .bayer_order = IMGU_ABI_BAYER_ORDER_BGGR,
+ .bit_depth = 10,
+ .bytesperpixel_num = 64,
+ .width_align = 2 * IPU3_UAPI_ISP_VEC_ELEMS,
+ .flags = IPU3_CSS_FORMAT_FL_IN,
+ }, {
+ .pixelformat = V4L2_PIX_FMT_IPU3_SGBRG10,
+ .colorspace = V4L2_COLORSPACE_RAW,
+ .frame_format = IMGU_ABI_FRAME_FORMAT_RAW_PACKED,
+ .bayer_order = IMGU_ABI_BAYER_ORDER_GBRG,
+ .bit_depth = 10,
+ .bytesperpixel_num = 64,
+ .width_align = 2 * IPU3_UAPI_ISP_VEC_ELEMS,
+ .flags = IPU3_CSS_FORMAT_FL_IN,
+ }, {
+ .pixelformat = V4L2_PIX_FMT_IPU3_SGRBG10,
+ .colorspace = V4L2_COLORSPACE_RAW,
+ .frame_format = IMGU_ABI_FRAME_FORMAT_RAW_PACKED,
+ .bayer_order = IMGU_ABI_BAYER_ORDER_GRBG,
+ .bit_depth = 10,
+ .bytesperpixel_num = 64,
+ .width_align = 2 * IPU3_UAPI_ISP_VEC_ELEMS,
+ .flags = IPU3_CSS_FORMAT_FL_IN,
+ }, {
+ .pixelformat = V4L2_PIX_FMT_IPU3_SRGGB10,
+ .colorspace = V4L2_COLORSPACE_RAW,
+ .frame_format = IMGU_ABI_FRAME_FORMAT_RAW_PACKED,
+ .bayer_order = IMGU_ABI_BAYER_ORDER_RGGB,
+ .bit_depth = 10,
+ .bytesperpixel_num = 64,
+ .width_align = 2 * IPU3_UAPI_ISP_VEC_ELEMS,
+ .flags = IPU3_CSS_FORMAT_FL_IN,
+ },
+};
+
+static const struct {
+ enum imgu_abi_queue_id qid;
+ size_t ptr_ofs;
+} ipu3_css_queues[IPU3_CSS_QUEUES] = {
+ [IPU3_CSS_QUEUE_IN] = {
+ IMGU_ABI_QUEUE_C_ID,
+ offsetof(struct imgu_abi_buffer, payload.frame.frame_data)
+ },
+ [IPU3_CSS_QUEUE_OUT] = {
+ IMGU_ABI_QUEUE_D_ID,
+ offsetof(struct imgu_abi_buffer, payload.frame.frame_data)
+ },
+ [IPU3_CSS_QUEUE_VF] = {
+ IMGU_ABI_QUEUE_E_ID,
+ offsetof(struct imgu_abi_buffer, payload.frame.frame_data)
+ },
+ [IPU3_CSS_QUEUE_STAT_3A] = {
+ IMGU_ABI_QUEUE_F_ID,
+ offsetof(struct imgu_abi_buffer, payload.s3a.data_ptr)
+ },
+};
+
+/* Initialize queue based on given format, adjust format as needed */
+static int ipu3_css_queue_init(struct ipu3_css_queue *queue,
+ struct v4l2_pix_format_mplane *fmt, u32 flags)
+{
+ struct v4l2_pix_format_mplane *const f = &queue->fmt.mpix;
+ unsigned int i;
+ u32 sizeimage;
+
+ INIT_LIST_HEAD(&queue->bufs);
+
+ queue->css_fmt = NULL; /* Disable */
+ if (!fmt)
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(ipu3_css_formats); i++) {
+ if (!(ipu3_css_formats[i].flags & flags))
+ continue;
+ queue->css_fmt = &ipu3_css_formats[i];
+ if (ipu3_css_formats[i].pixelformat == fmt->pixelformat)
+ break;
+ }
+ if (!queue->css_fmt)
+ return -EINVAL; /* Could not find any suitable format */
+
+ queue->fmt.mpix = *fmt;
+
+ f->width = ALIGN(clamp_t(u32, f->width,
+ IPU3_CSS_MIN_RES, IPU3_CSS_MAX_W), 2);
+ f->height = ALIGN(clamp_t(u32, f->height,
+ IPU3_CSS_MIN_RES, IPU3_CSS_MAX_H), 2);
+ queue->width_pad = ALIGN(f->width, queue->css_fmt->width_align);
+ if (queue->css_fmt->frame_format != IMGU_ABI_FRAME_FORMAT_RAW_PACKED)
+ f->plane_fmt[0].bytesperline = DIV_ROUND_UP(queue->width_pad *
+ queue->css_fmt->bytesperpixel_num,
+ IPU3_CSS_FORMAT_BPP_DEN);
+ else
+ /* For packed raw, alignment for bpl is by 50 to the width */
+ f->plane_fmt[0].bytesperline =
+ DIV_ROUND_UP(f->width,
+ IPU3_CSS_FORMAT_BPP_DEN) *
+ queue->css_fmt->bytesperpixel_num;
+
+ sizeimage = f->height * f->plane_fmt[0].bytesperline;
+ if (queue->css_fmt->chroma_decim)
+ sizeimage += 2 * sizeimage / queue->css_fmt->chroma_decim;
+
+ f->plane_fmt[0].sizeimage = sizeimage;
+ f->field = V4L2_FIELD_NONE;
+ f->num_planes = 1;
+ f->colorspace = queue->css_fmt->colorspace;
+ f->flags = 0;
+ f->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+ f->quantization = V4L2_QUANTIZATION_DEFAULT;
+ f->xfer_func = V4L2_XFER_FUNC_DEFAULT;
+ memset(f->reserved, 0, sizeof(f->reserved));
+
+ return 0;
+}
+
+static bool ipu3_css_queue_enabled(struct ipu3_css_queue *q)
+{
+ return q->css_fmt;
+}
+
/******************* css hw *******************/
/* In the style of writesl() defined in include/asm-generic/io.h */
@@ -492,6 +659,1599 @@ static void ipu3_css_hw_cleanup(struct ipu3_css *css)
usleep_range(200, 300);
}
+static void ipu3_css_pipeline_cleanup(struct ipu3_css *css)
+{
+ struct imgu_device *imgu = dev_get_drvdata(css->dev);
+ unsigned int i;
+
+ ipu3_css_pool_cleanup(imgu, &css->pool.parameter_set_info);
+ ipu3_css_pool_cleanup(imgu, &css->pool.acc);
+ ipu3_css_pool_cleanup(imgu, &css->pool.gdc);
+ ipu3_css_pool_cleanup(imgu, &css->pool.obgrid);
+
+ for (i = 0; i < IMGU_ABI_NUM_MEMORIES; i++)
+ ipu3_css_pool_cleanup(imgu, &css->pool.binary_params_p[i]);
+}
+
+/*
+ * This function initializes various stages of the
+ * IPU3 CSS ISP pipeline
+ */
+static int ipu3_css_pipeline_init(struct ipu3_css *css)
+{
+ static const unsigned int PIPE_ID = IPU3_CSS_PIPE_ID_VIDEO;
+ static const int BYPC = 2; /* Bytes per component */
+ static const struct imgu_abi_buffer_sp buffer_sp_init = {
+ .buf_src = {.queue_id = IMGU_ABI_QUEUE_EVENT_ID},
+ .buf_type = IMGU_ABI_BUFFER_TYPE_INVALID,
+ };
+
+ struct imgu_abi_isp_iterator_config *cfg_iter;
+ struct imgu_abi_isp_ref_config *cfg_ref;
+ struct imgu_abi_isp_dvs_config *cfg_dvs;
+ struct imgu_abi_isp_tnr3_config *cfg_tnr;
+ struct imgu_abi_isp_ref_dmem_state *cfg_ref_state;
+ struct imgu_abi_isp_tnr3_dmem_state *cfg_tnr_state;
+
+ const int pipe = 0, stage = 0, thread = 0;
+ unsigned int i, j;
+
+ const struct imgu_fw_info *bi =
+ &css->fwp->binary_header[css->current_binary];
+ const unsigned int stripes = bi->info.isp.sp.iterator.num_stripes;
+
+ struct imgu_fw_config_memory_offsets *cofs = (void *)css->fwp +
+ bi->blob.memory_offsets.offsets[IMGU_ABI_PARAM_CLASS_CONFIG];
+ struct imgu_fw_state_memory_offsets *sofs = (void *)css->fwp +
+ bi->blob.memory_offsets.offsets[IMGU_ABI_PARAM_CLASS_STATE];
+
+ struct imgu_abi_isp_stage *isp_stage;
+ struct imgu_abi_sp_stage *sp_stage;
+ struct imgu_abi_sp_group *sp_group;
+
+ const unsigned int bds_width_pad =
+ ALIGN(css->rect[IPU3_CSS_RECT_BDS].width,
+ 2 * IPU3_UAPI_ISP_VEC_ELEMS);
+
+ const enum imgu_abi_memories m0 = IMGU_ABI_MEM_ISP_DMEM0;
+ enum imgu_abi_param_class cfg = IMGU_ABI_PARAM_CLASS_CONFIG;
+ void *vaddr = css->binary_params_cs[cfg - 1][m0].vaddr;
+
+ struct imgu_device *imgu = dev_get_drvdata(css->dev);
+
+ /* Configure iterator */
+
+ cfg_iter = ipu3_css_fw_pipeline_params(css, cfg, m0,
+ &cofs->dmem.iterator,
+ sizeof(*cfg_iter), vaddr);
+ if (!cfg_iter)
+ goto bad_firmware;
+
+ cfg_iter->input_info.res.width =
+ css->queue[IPU3_CSS_QUEUE_IN].fmt.mpix.width;
+ cfg_iter->input_info.res.height =
+ css->queue[IPU3_CSS_QUEUE_IN].fmt.mpix.height;
+ cfg_iter->input_info.padded_width =
+ css->queue[IPU3_CSS_QUEUE_IN].width_pad;
+ cfg_iter->input_info.format =
+ css->queue[IPU3_CSS_QUEUE_IN].css_fmt->frame_format;
+ cfg_iter->input_info.raw_bit_depth =
+ css->queue[IPU3_CSS_QUEUE_IN].css_fmt->bit_depth;
+ cfg_iter->input_info.raw_bayer_order =
+ css->queue[IPU3_CSS_QUEUE_IN].css_fmt->bayer_order;
+ cfg_iter->input_info.raw_type = IMGU_ABI_RAW_TYPE_BAYER;
+
+ cfg_iter->internal_info.res.width = css->rect[IPU3_CSS_RECT_BDS].width;
+ cfg_iter->internal_info.res.height =
+ css->rect[IPU3_CSS_RECT_BDS].height;
+ cfg_iter->internal_info.padded_width = bds_width_pad;
+ cfg_iter->internal_info.format =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->frame_format;
+ cfg_iter->internal_info.raw_bit_depth =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->bit_depth;
+ cfg_iter->internal_info.raw_bayer_order =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->bayer_order;
+ cfg_iter->internal_info.raw_type = IMGU_ABI_RAW_TYPE_BAYER;
+
+ cfg_iter->output_info.res.width =
+ css->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.width;
+ cfg_iter->output_info.res.height =
+ css->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.height;
+ cfg_iter->output_info.padded_width =
+ css->queue[IPU3_CSS_QUEUE_OUT].width_pad;
+ cfg_iter->output_info.format =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->frame_format;
+ cfg_iter->output_info.raw_bit_depth =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->bit_depth;
+ cfg_iter->output_info.raw_bayer_order =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->bayer_order;
+ cfg_iter->output_info.raw_type = IMGU_ABI_RAW_TYPE_BAYER;
+
+ cfg_iter->vf_info.res.width =
+ css->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.width;
+ cfg_iter->vf_info.res.height =
+ css->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.height;
+ cfg_iter->vf_info.padded_width =
+ css->queue[IPU3_CSS_QUEUE_VF].width_pad;
+ cfg_iter->vf_info.format =
+ css->queue[IPU3_CSS_QUEUE_VF].css_fmt->frame_format;
+ cfg_iter->vf_info.raw_bit_depth =
+ css->queue[IPU3_CSS_QUEUE_VF].css_fmt->bit_depth;
+ cfg_iter->vf_info.raw_bayer_order =
+ css->queue[IPU3_CSS_QUEUE_VF].css_fmt->bayer_order;
+ cfg_iter->vf_info.raw_type = IMGU_ABI_RAW_TYPE_BAYER;
+
+ cfg_iter->dvs_envelope.width = css->rect[IPU3_CSS_RECT_ENVELOPE].width;
+ cfg_iter->dvs_envelope.height =
+ css->rect[IPU3_CSS_RECT_ENVELOPE].height;
+
+ /* Configure reference (delay) frames */
+
+ cfg_ref = ipu3_css_fw_pipeline_params(css, cfg, m0, &cofs->dmem.ref,
+ sizeof(*cfg_ref), vaddr);
+ if (!cfg_ref)
+ goto bad_firmware;
+
+ cfg_ref->port_b.crop = 0;
+ cfg_ref->port_b.elems = IMGU_ABI_ISP_DDR_WORD_BYTES / BYPC;
+ cfg_ref->port_b.width = css->aux_frames[IPU3_CSS_AUX_FRAME_REF].width;
+ cfg_ref->port_b.stride =
+ css->aux_frames[IPU3_CSS_AUX_FRAME_REF].bytesperline;
+ cfg_ref->width_a_over_b =
+ IPU3_UAPI_ISP_VEC_ELEMS / cfg_ref->port_b.elems;
+ cfg_ref->dvs_frame_delay = IPU3_CSS_AUX_FRAMES - 1;
+ for (i = 0; i < IPU3_CSS_AUX_FRAMES; i++) {
+ cfg_ref->ref_frame_addr_y[i] =
+ css->aux_frames[IPU3_CSS_AUX_FRAME_REF].mem[i].daddr;
+ cfg_ref->ref_frame_addr_c[i] =
+ css->aux_frames[IPU3_CSS_AUX_FRAME_REF].mem[i].daddr +
+ css->aux_frames[IPU3_CSS_AUX_FRAME_REF].bytesperline *
+ css->aux_frames[IPU3_CSS_AUX_FRAME_REF].height;
+ }
+ for (; i < IMGU_ABI_FRAMES_REF; i++) {
+ cfg_ref->ref_frame_addr_y[i] = 0;
+ cfg_ref->ref_frame_addr_c[i] = 0;
+ }
+
+ /* Configure DVS (digital video stabilization) */
+
+ cfg_dvs = ipu3_css_fw_pipeline_params(css, cfg, m0,
+ &cofs->dmem.dvs, sizeof(*cfg_dvs),
+ vaddr);
+ if (!cfg_dvs)
+ goto bad_firmware;
+
+ cfg_dvs->num_horizontal_blocks =
+ ALIGN(DIV_ROUND_UP(css->rect[IPU3_CSS_RECT_GDC].width,
+ IMGU_DVS_BLOCK_W), 2);
+ cfg_dvs->num_vertical_blocks =
+ DIV_ROUND_UP(css->rect[IPU3_CSS_RECT_GDC].height,
+ IMGU_DVS_BLOCK_H);
+
+ /* Configure TNR (temporal noise reduction) */
+
+ if (css->pipe_id == IPU3_CSS_PIPE_ID_VIDEO) {
+ cfg_tnr = ipu3_css_fw_pipeline_params(css, cfg, m0,
+ &cofs->dmem.tnr3,
+ sizeof(*cfg_tnr),
+ vaddr);
+ if (!cfg_tnr)
+ goto bad_firmware;
+
+ cfg_tnr->port_b.crop = 0;
+ cfg_tnr->port_b.elems = IMGU_ABI_ISP_DDR_WORD_BYTES;
+ cfg_tnr->port_b.width =
+ css->aux_frames[IPU3_CSS_AUX_FRAME_TNR].width;
+ cfg_tnr->port_b.stride =
+ css->aux_frames[IPU3_CSS_AUX_FRAME_TNR].bytesperline;
+ cfg_tnr->width_a_over_b =
+ IPU3_UAPI_ISP_VEC_ELEMS / cfg_tnr->port_b.elems;
+ cfg_tnr->frame_height =
+ css->aux_frames[IPU3_CSS_AUX_FRAME_TNR].height;
+ cfg_tnr->delay_frame = IPU3_CSS_AUX_FRAMES - 1;
+ for (i = 0; i < IPU3_CSS_AUX_FRAMES; i++)
+ cfg_tnr->frame_addr[i] =
+ css->aux_frames[IPU3_CSS_AUX_FRAME_TNR]
+ .mem[i].daddr;
+ for (; i < IMGU_ABI_FRAMES_TNR; i++)
+ cfg_tnr->frame_addr[i] = 0;
+ }
+
+ /* Configure ref dmem state parameters */
+
+ cfg = IMGU_ABI_PARAM_CLASS_STATE;
+ vaddr = css->binary_params_cs[cfg - 1][m0].vaddr;
+
+ cfg_ref_state = ipu3_css_fw_pipeline_params(css, cfg, m0,
+ &sofs->dmem.ref,
+ sizeof(*cfg_ref_state),
+ vaddr);
+ if (!cfg_ref_state)
+ goto bad_firmware;
+
+ cfg_ref_state->ref_in_buf_idx = 0;
+ cfg_ref_state->ref_out_buf_idx = 1;
+
+ /* Configure tnr dmem state parameters */
+ if (css->pipe_id == IPU3_CSS_PIPE_ID_VIDEO) {
+ cfg_tnr_state =
+ ipu3_css_fw_pipeline_params(css, cfg, m0,
+ &sofs->dmem.tnr3,
+ sizeof(*cfg_tnr_state),
+ vaddr);
+ if (!cfg_tnr_state)
+ goto bad_firmware;
+
+ cfg_tnr_state->in_bufidx = 0;
+ cfg_tnr_state->out_bufidx = 1;
+ cfg_tnr_state->bypass_filter = 0;
+ cfg_tnr_state->total_frame_counter = 0;
+ for (i = 0; i < IMGU_ABI_BUF_SETS_TNR; i++)
+ cfg_tnr_state->buffer_frame_counter[i] = 0;
+ }
+
+ /* Configure ISP stage */
+
+ isp_stage = css->xmem_isp_stage_ptrs[pipe][stage].vaddr;
+ memset(isp_stage, 0, sizeof(*isp_stage));
+ isp_stage->blob_info = bi->blob;
+ isp_stage->binary_info = bi->info.isp.sp;
+ strlcpy(isp_stage->binary_name,
+ (char *)css->fwp + bi->blob.prog_name_offset,
+ sizeof(isp_stage->binary_name));
+ isp_stage->mem_initializers = bi->info.isp.sp.mem_initializers;
+ for (i = IMGU_ABI_PARAM_CLASS_CONFIG; i < IMGU_ABI_PARAM_CLASS_NUM; i++)
+ for (j = 0; j < IMGU_ABI_NUM_MEMORIES; j++)
+ isp_stage->mem_initializers.params[i][j].address =
+ css->binary_params_cs[i - 1][j].daddr;
+
+ /* Configure SP stage */
+
+ sp_stage = css->xmem_sp_stage_ptrs[pipe][stage].vaddr;
+ memset(sp_stage, 0, sizeof(*sp_stage));
+
+ sp_stage->frames.in.buf_attr = buffer_sp_init;
+ for (i = 0; i < IMGU_ABI_BINARY_MAX_OUTPUT_PORTS; i++)
+ sp_stage->frames.out[i].buf_attr = buffer_sp_init;
+ sp_stage->frames.out_vf.buf_attr = buffer_sp_init;
+ sp_stage->frames.s3a_buf = buffer_sp_init;
+ sp_stage->frames.dvs_buf = buffer_sp_init;
+
+ sp_stage->stage_type = IMGU_ABI_STAGE_TYPE_ISP;
+ sp_stage->num = stage;
+ sp_stage->isp_online = 0;
+ sp_stage->isp_copy_vf = 0;
+ sp_stage->isp_copy_output = 0;
+
+ /* Enable VF output only when VF or PV queue requested by user */
+
+ sp_stage->enable.vf_output =
+ (css->vf_output_en != IPU3_NODE_VF_DISABLED);
+
+ sp_stage->frames.effective_in_res.width =
+ css->rect[IPU3_CSS_RECT_EFFECTIVE].width;
+ sp_stage->frames.effective_in_res.height =
+ css->rect[IPU3_CSS_RECT_EFFECTIVE].height;
+ sp_stage->frames.in.info.res.width =
+ css->queue[IPU3_CSS_QUEUE_IN].fmt.mpix.width;
+ sp_stage->frames.in.info.res.height =
+ css->queue[IPU3_CSS_QUEUE_IN].fmt.mpix.height;
+ sp_stage->frames.in.info.padded_width =
+ css->queue[IPU3_CSS_QUEUE_IN].width_pad;
+ sp_stage->frames.in.info.format =
+ css->queue[IPU3_CSS_QUEUE_IN].css_fmt->frame_format;
+ sp_stage->frames.in.info.raw_bit_depth =
+ css->queue[IPU3_CSS_QUEUE_IN].css_fmt->bit_depth;
+ sp_stage->frames.in.info.raw_bayer_order =
+ css->queue[IPU3_CSS_QUEUE_IN].css_fmt->bayer_order;
+ sp_stage->frames.in.info.raw_type = IMGU_ABI_RAW_TYPE_BAYER;
+ sp_stage->frames.in.buf_attr.buf_src.queue_id = IMGU_ABI_QUEUE_C_ID;
+ sp_stage->frames.in.buf_attr.buf_type =
+ IMGU_ABI_BUFFER_TYPE_INPUT_FRAME;
+
+ sp_stage->frames.out[0].info.res.width =
+ css->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.width;
+ sp_stage->frames.out[0].info.res.height =
+ css->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.height;
+ sp_stage->frames.out[0].info.padded_width =
+ css->queue[IPU3_CSS_QUEUE_OUT].width_pad;
+ sp_stage->frames.out[0].info.format =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->frame_format;
+ sp_stage->frames.out[0].info.raw_bit_depth =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->bit_depth;
+ sp_stage->frames.out[0].info.raw_bayer_order =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->bayer_order;
+ sp_stage->frames.out[0].info.raw_type = IMGU_ABI_RAW_TYPE_BAYER;
+ sp_stage->frames.out[0].planes.nv.uv.offset =
+ css->queue[IPU3_CSS_QUEUE_OUT].width_pad *
+ css->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.height;
+ sp_stage->frames.out[0].buf_attr.buf_src.queue_id = IMGU_ABI_QUEUE_D_ID;
+ sp_stage->frames.out[0].buf_attr.buf_type =
+ IMGU_ABI_BUFFER_TYPE_OUTPUT_FRAME;
+
+ sp_stage->frames.out[1].buf_attr.buf_src.queue_id =
+ IMGU_ABI_QUEUE_EVENT_ID;
+
+ sp_stage->frames.internal_frame_info.res.width =
+ css->rect[IPU3_CSS_RECT_BDS].width;
+ sp_stage->frames.internal_frame_info.res.height =
+ css->rect[IPU3_CSS_RECT_BDS].height;
+ sp_stage->frames.internal_frame_info.padded_width = bds_width_pad;
+
+ sp_stage->frames.internal_frame_info.format =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->frame_format;
+ sp_stage->frames.internal_frame_info.raw_bit_depth =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->bit_depth;
+ sp_stage->frames.internal_frame_info.raw_bayer_order =
+ css->queue[IPU3_CSS_QUEUE_OUT].css_fmt->bayer_order;
+ sp_stage->frames.internal_frame_info.raw_type = IMGU_ABI_RAW_TYPE_BAYER;
+
+ sp_stage->frames.out_vf.info.res.width =
+ css->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.width;
+ sp_stage->frames.out_vf.info.res.height =
+ css->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.height;
+ sp_stage->frames.out_vf.info.padded_width =
+ css->queue[IPU3_CSS_QUEUE_VF].width_pad;
+ sp_stage->frames.out_vf.info.format =
+ css->queue[IPU3_CSS_QUEUE_VF].css_fmt->frame_format;
+ sp_stage->frames.out_vf.info.raw_bit_depth =
+ css->queue[IPU3_CSS_QUEUE_VF].css_fmt->bit_depth;
+ sp_stage->frames.out_vf.info.raw_bayer_order =
+ css->queue[IPU3_CSS_QUEUE_VF].css_fmt->bayer_order;
+ sp_stage->frames.out_vf.info.raw_type = IMGU_ABI_RAW_TYPE_BAYER;
+ sp_stage->frames.out_vf.planes.yuv.u.offset =
+ css->queue[IPU3_CSS_QUEUE_VF].width_pad *
+ css->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.height;
+ sp_stage->frames.out_vf.planes.yuv.v.offset =
+ css->queue[IPU3_CSS_QUEUE_VF].width_pad *
+ css->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.height * 5 / 4;
+ sp_stage->frames.out_vf.buf_attr.buf_src.queue_id = IMGU_ABI_QUEUE_E_ID;
+ sp_stage->frames.out_vf.buf_attr.buf_type =
+ IMGU_ABI_BUFFER_TYPE_VF_OUTPUT_FRAME;
+
+ sp_stage->frames.s3a_buf.buf_src.queue_id = IMGU_ABI_QUEUE_F_ID;
+ sp_stage->frames.s3a_buf.buf_type = IMGU_ABI_BUFFER_TYPE_3A_STATISTICS;
+
+ sp_stage->frames.dvs_buf.buf_src.queue_id = IMGU_ABI_QUEUE_G_ID;
+ sp_stage->frames.dvs_buf.buf_type = IMGU_ABI_BUFFER_TYPE_DIS_STATISTICS;
+
+ sp_stage->dvs_envelope.width = css->rect[IPU3_CSS_RECT_ENVELOPE].width;
+ sp_stage->dvs_envelope.height =
+ css->rect[IPU3_CSS_RECT_ENVELOPE].height;
+
+ sp_stage->isp_pipe_version =
+ bi->info.isp.sp.pipeline.isp_pipe_version;
+ sp_stage->isp_deci_log_factor =
+ clamp(max(fls(css->rect[IPU3_CSS_RECT_BDS].width /
+ IMGU_MAX_BQ_GRID_WIDTH),
+ fls(css->rect[IPU3_CSS_RECT_BDS].height /
+ IMGU_MAX_BQ_GRID_HEIGHT)) - 1, 3, 5);
+ sp_stage->isp_vf_downscale_bits = 0;
+ sp_stage->if_config_index = 255;
+ sp_stage->sp_enable_xnr = 0;
+ sp_stage->num_stripes = stripes;
+ sp_stage->enable.s3a = 1;
+ sp_stage->enable.dvs_stats = 0;
+
+ sp_stage->xmem_bin_addr = css->binary[css->current_binary].daddr;
+ sp_stage->xmem_map_addr = css->sp_ddr_ptrs.daddr;
+ sp_stage->isp_stage_addr = css->xmem_isp_stage_ptrs[pipe][stage].daddr;
+
+ /* Configure SP group */
+
+ sp_group = css->xmem_sp_group_ptrs.vaddr;
+ memset(sp_group, 0, sizeof(*sp_group));
+
+ sp_group->pipe[thread].num_stages = 1;
+ sp_group->pipe[thread].pipe_id = PIPE_ID;
+ sp_group->pipe[thread].thread_id = thread;
+ sp_group->pipe[thread].pipe_num = pipe;
+ sp_group->pipe[thread].num_execs = -1;
+ sp_group->pipe[thread].pipe_qos_config = -1;
+ sp_group->pipe[thread].required_bds_factor = 0;
+ sp_group->pipe[thread].dvs_frame_delay = IPU3_CSS_AUX_FRAMES - 1;
+ sp_group->pipe[thread].inout_port_config =
+ IMGU_ABI_PORT_CONFIG_TYPE_INPUT_HOST |
+ IMGU_ABI_PORT_CONFIG_TYPE_OUTPUT_HOST;
+ sp_group->pipe[thread].scaler_pp_lut = 0;
+ sp_group->pipe[thread].shading.internal_frame_origin_x_bqs_on_sctbl = 0;
+ sp_group->pipe[thread].shading.internal_frame_origin_y_bqs_on_sctbl = 0;
+ sp_group->pipe[thread].sp_stage_addr[stage] =
+ css->xmem_sp_stage_ptrs[pipe][stage].daddr;
+ sp_group->pipe[thread].pipe_config =
+ bi->info.isp.sp.enable.params ? (1 << thread) : 0;
+ sp_group->pipe[thread].pipe_config |= IMGU_ABI_PIPE_CONFIG_ACQUIRE_ISP;
+
+ /* Initialize parameter pools */
+
+ if (ipu3_css_pool_init(imgu, &css->pool.parameter_set_info,
+ sizeof(struct imgu_abi_parameter_set_info)) ||
+ ipu3_css_pool_init(imgu, &css->pool.acc,
+ sizeof(struct imgu_abi_acc_param)) ||
+ ipu3_css_pool_init(imgu, &css->pool.gdc,
+ sizeof(struct imgu_abi_gdc_warp_param) *
+ 3 * cfg_dvs->num_horizontal_blocks / 2 *
+ cfg_dvs->num_vertical_blocks) ||
+ ipu3_css_pool_init(imgu, &css->pool.obgrid,
+ ipu3_css_fw_obgrid_size(
+ &css->fwp->binary_header[css->current_binary])))
+ goto out_of_memory;
+
+ for (i = 0; i < IMGU_ABI_NUM_MEMORIES; i++)
+ if (ipu3_css_pool_init(imgu, &css->pool.binary_params_p[i],
+ bi->info.isp.sp.mem_initializers.params
+ [IMGU_ABI_PARAM_CLASS_PARAM][i].size))
+ goto out_of_memory;
+
+ return 0;
+
+bad_firmware:
+ ipu3_css_pipeline_cleanup(css);
+ return -EPROTO;
+
+out_of_memory:
+ ipu3_css_pipeline_cleanup(css);
+ return -ENOMEM;
+}
+
+static u8 ipu3_css_queue_pos(struct ipu3_css *css, int queue, int thread)
+{
+ static const unsigned int sp;
+ void __iomem *const base = css->base;
+ struct imgu_fw_info *bi = &css->fwp->binary_header[css->fw_sp[sp]];
+ struct imgu_abi_queues __iomem *q = base + IMGU_REG_SP_DMEM_BASE(sp) +
+ bi->info.sp.host_sp_queue;
+
+ return queue >= 0 ? readb(&q->host2sp_bufq_info[thread][queue].end) :
+ readb(&q->host2sp_evtq_info.end);
+}
+
+/* Sent data to sp using given buffer queue, or if queue < 0, event queue. */
+static int ipu3_css_queue_data(struct ipu3_css *css,
+ int queue, int thread, u32 data)
+{
+ static const unsigned int sp;
+ void __iomem *const base = css->base;
+ struct imgu_fw_info *bi = &css->fwp->binary_header[css->fw_sp[sp]];
+ struct imgu_abi_queues __iomem *q = base + IMGU_REG_SP_DMEM_BASE(sp) +
+ bi->info.sp.host_sp_queue;
+ u8 size, start, end, end2;
+
+ if (queue >= 0) {
+ size = readb(&q->host2sp_bufq_info[thread][queue].size);
+ start = readb(&q->host2sp_bufq_info[thread][queue].start);
+ end = readb(&q->host2sp_bufq_info[thread][queue].end);
+ } else {
+ size = readb(&q->host2sp_evtq_info.size);
+ start = readb(&q->host2sp_evtq_info.start);
+ end = readb(&q->host2sp_evtq_info.end);
+ }
+
+ if (size == 0)
+ return -EIO;
+
+ end2 = (end + 1) % size;
+ if (end2 == start)
+ return -EBUSY; /* Queue full */
+
+ if (queue >= 0) {
+ writel(data, &q->host2sp_bufq[thread][queue][end]);
+ writeb(end2, &q->host2sp_bufq_info[thread][queue].end);
+ } else {
+ writel(data, &q->host2sp_evtq[end]);
+ writeb(end2, &q->host2sp_evtq_info.end);
+ }
+
+ return 0;
+}
+
+/* Receive data using given buffer queue, or if queue < 0, event queue. */
+static int ipu3_css_dequeue_data(struct ipu3_css *css, int queue, u32 *data)
+{
+ static const unsigned int sp;
+ void __iomem *const base = css->base;
+ struct imgu_fw_info *bi = &css->fwp->binary_header[css->fw_sp[sp]];
+ struct imgu_abi_queues __iomem *q = base + IMGU_REG_SP_DMEM_BASE(sp) +
+ bi->info.sp.host_sp_queue;
+ u8 size, start, end, start2;
+
+ if (queue >= 0) {
+ size = readb(&q->sp2host_bufq_info[queue].size);
+ start = readb(&q->sp2host_bufq_info[queue].start);
+ end = readb(&q->sp2host_bufq_info[queue].end);
+ } else {
+ size = readb(&q->sp2host_evtq_info.size);
+ start = readb(&q->sp2host_evtq_info.start);
+ end = readb(&q->sp2host_evtq_info.end);
+ }
+
+ if (size == 0)
+ return -EIO;
+
+ if (end == start)
+ return -EBUSY; /* Queue empty */
+
+ start2 = (start + 1) % size;
+
+ if (queue >= 0) {
+ *data = readl(&q->sp2host_bufq[queue][start]);
+ writeb(start2, &q->sp2host_bufq_info[queue].start);
+ } else {
+ int r;
+
+ *data = readl(&q->sp2host_evtq[start]);
+ writeb(start2, &q->sp2host_evtq_info.start);
+
+ /* Acknowledge events dequeued from event queue */
+ r = ipu3_css_queue_data(css, queue, 0,
+ IMGU_ABI_EVENT_EVENT_DEQUEUED);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+/* Free binary-specific resources */
+static void ipu3_css_binary_cleanup(struct ipu3_css *css)
+{
+ struct imgu_device *imgu = dev_get_drvdata(css->dev);
+ unsigned int i, j;
+
+ for (j = 0; j < IMGU_ABI_PARAM_CLASS_NUM - 1; j++)
+ for (i = 0; i < IMGU_ABI_NUM_MEMORIES; i++)
+ ipu3_dmamap_free(imgu, &css->binary_params_cs[j][i]);
+
+ j = IPU3_CSS_AUX_FRAME_REF;
+ for (i = 0; i < IPU3_CSS_AUX_FRAMES; i++)
+ ipu3_dmamap_free(imgu, &css->aux_frames[j].mem[i]);
+
+ j = IPU3_CSS_AUX_FRAME_TNR;
+ for (i = 0; i < IPU3_CSS_AUX_FRAMES; i++)
+ ipu3_dmamap_free(imgu, &css->aux_frames[j].mem[i]);
+}
+
+static int ipu3_css_binary_preallocate(struct ipu3_css *css)
+{
+ struct imgu_device *imgu = dev_get_drvdata(css->dev);
+ unsigned int i, j;
+
+ for (j = IMGU_ABI_PARAM_CLASS_CONFIG; j < IMGU_ABI_PARAM_CLASS_NUM; j++)
+ for (i = 0; i < IMGU_ABI_NUM_MEMORIES; i++) {
+ if (!ipu3_dmamap_alloc(imgu,
+ &css->binary_params_cs[j - 1][i],
+ CSS_ABI_SIZE))
+ goto out_of_memory;
+ }
+
+ for (i = 0; i < IPU3_CSS_AUX_FRAMES; i++)
+ if (!ipu3_dmamap_alloc(imgu,
+ &css->aux_frames[IPU3_CSS_AUX_FRAME_REF].mem[i],
+ CSS_BDS_SIZE))
+ goto out_of_memory;
+
+ for (i = 0; i < IPU3_CSS_AUX_FRAMES; i++)
+ if (!ipu3_dmamap_alloc(imgu,
+ &css->aux_frames[IPU3_CSS_AUX_FRAME_TNR].mem[i],
+ CSS_GDC_SIZE))
+ goto out_of_memory;
+
+ return 0;
+
+out_of_memory:
+ ipu3_css_binary_cleanup(css);
+ return -ENOMEM;
+}
+
+/* allocate binary-specific resources */
+static int ipu3_css_binary_setup(struct ipu3_css *css)
+{
+ const struct imgu_abi_binary_info *sp =
+ &css->fwp->binary_header[css->current_binary].info.isp.sp;
+ struct imgu_device *imgu = dev_get_drvdata(css->dev);
+ static const int BYPC = 2; /* Bytes per component */
+ unsigned int w, h, size, i, j;
+
+ /* Allocate parameter memory blocks for this binary */
+
+ for (j = IMGU_ABI_PARAM_CLASS_CONFIG; j < IMGU_ABI_PARAM_CLASS_NUM; j++)
+ for (i = 0; i < IMGU_ABI_NUM_MEMORIES; i++) {
+ if (ipu3_css_dma_buffer_resize(
+ imgu, &css->binary_params_cs[j - 1][i],
+ sp->mem_initializers.params[j][i].size))
+ goto out_of_memory;
+ }
+
+ /* Allocate internal frame buffers */
+
+ /* Reference frames for DVS, FRAME_FORMAT_YUV420_16 */
+ css->aux_frames[IPU3_CSS_AUX_FRAME_REF].bytesperpixel = BYPC;
+ css->aux_frames[IPU3_CSS_AUX_FRAME_REF].width =
+ css->rect[IPU3_CSS_RECT_BDS].width;
+ css->aux_frames[IPU3_CSS_AUX_FRAME_REF].height =
+ ALIGN(css->rect[IPU3_CSS_RECT_BDS].height,
+ IMGU_DVS_BLOCK_H) + 2 * IMGU_GDC_BUF_Y;
+ h = css->aux_frames[IPU3_CSS_AUX_FRAME_REF].height;
+ w = ALIGN(css->rect[IPU3_CSS_RECT_BDS].width,
+ 2 * IPU3_UAPI_ISP_VEC_ELEMS) + 2 * IMGU_GDC_BUF_X;
+ css->aux_frames[IPU3_CSS_AUX_FRAME_REF].bytesperline =
+ css->aux_frames[IPU3_CSS_AUX_FRAME_REF].bytesperpixel * w;
+ size = w * h * BYPC + (w / 2) * (h / 2) * BYPC * 2;
+ for (i = 0; i < IPU3_CSS_AUX_FRAMES; i++)
+ if (ipu3_css_dma_buffer_resize(
+ imgu,
+ &css->aux_frames[IPU3_CSS_AUX_FRAME_REF].mem[i], size))
+ goto out_of_memory;
+
+ /* TNR frames for temporal noise reduction, FRAME_FORMAT_YUV_LINE */
+ css->aux_frames[IPU3_CSS_AUX_FRAME_TNR].bytesperpixel = 1;
+ css->aux_frames[IPU3_CSS_AUX_FRAME_TNR].width =
+ roundup(css->rect[IPU3_CSS_RECT_GDC].width,
+ sp->block.block_width *
+ IPU3_UAPI_ISP_VEC_ELEMS);
+ css->aux_frames[IPU3_CSS_AUX_FRAME_TNR].height =
+ roundup(css->rect[IPU3_CSS_RECT_GDC].height,
+ sp->block.output_block_height);
+
+ w = css->aux_frames[IPU3_CSS_AUX_FRAME_TNR].width;
+ css->aux_frames[IPU3_CSS_AUX_FRAME_TNR].bytesperline = w;
+ h = css->aux_frames[IPU3_CSS_AUX_FRAME_TNR].height;
+ size = w * ALIGN(h * 3 / 2 + 3, 2); /* +3 for vf_pp prefetch */
+ for (i = 0; i < IPU3_CSS_AUX_FRAMES; i++)
+ if (ipu3_css_dma_buffer_resize(
+ imgu,
+ &css->aux_frames[IPU3_CSS_AUX_FRAME_TNR].mem[i], size))
+ goto out_of_memory;
+
+ return 0;
+
+out_of_memory:
+ ipu3_css_binary_cleanup(css);
+ return -ENOMEM;
+}
+
+int ipu3_css_start_streaming(struct ipu3_css *css)
+{
+ u32 data;
+ int r;
+
+ if (css->streaming)
+ return -EPROTO;
+
+ r = ipu3_css_binary_setup(css);
+ if (r < 0)
+ return r;
+
+ r = ipu3_css_hw_init(css);
+ if (r < 0)
+ return r;
+
+ r = ipu3_css_hw_start(css);
+ if (r < 0)
+ goto fail;
+
+ r = ipu3_css_pipeline_init(css);
+ if (r < 0)
+ goto fail;
+
+ css->streaming = true;
+ css->frame = 0;
+
+ ipu3_css_hw_enable_irq(css);
+
+ /* Initialize parameters to default */
+ r = ipu3_css_set_parameters(css, NULL);
+ if (r < 0)
+ goto fail;
+
+ while (!(r = ipu3_css_dequeue_data(css, IMGU_ABI_QUEUE_A_ID, &data)))
+ ;
+ if (r != -EBUSY)
+ goto fail;
+
+ while (!(r = ipu3_css_dequeue_data(css, IMGU_ABI_QUEUE_B_ID, &data)))
+ ;
+ if (r != -EBUSY)
+ goto fail;
+
+ r = ipu3_css_queue_data(css, IMGU_ABI_QUEUE_EVENT_ID, 0,
+ IMGU_ABI_EVENT_START_STREAM);
+ if (r < 0)
+ goto fail;
+
+ return 0;
+
+fail:
+ css->streaming = false;
+ ipu3_css_hw_cleanup(css);
+ ipu3_css_pipeline_cleanup(css);
+ ipu3_css_binary_cleanup(css);
+
+ return r;
+}
+
+void ipu3_css_stop_streaming(struct ipu3_css *css)
+{
+ struct ipu3_css_buffer *b, *b0;
+ int q, r;
+
+ r = ipu3_css_queue_data(css, IMGU_ABI_QUEUE_EVENT_ID, 0,
+ IMGU_ABI_EVENT_STOP_STREAM);
+
+ if (r < 0)
+ dev_warn(css->dev, "failed on stop stream event\n");
+
+ if (!css->streaming)
+ return;
+
+ ipu3_css_hw_stop(css);
+
+ ipu3_css_hw_cleanup(css);
+
+ ipu3_css_pipeline_cleanup(css);
+
+ spin_lock(&css->qlock);
+ for (q = 0; q < IPU3_CSS_QUEUES; q++)
+ list_for_each_entry_safe(b, b0, &css->queue[q].bufs, list) {
+ b->state = IPU3_CSS_BUFFER_FAILED;
+ list_del(&b->list);
+ }
+ spin_unlock(&css->qlock);
+
+ css->streaming = false;
+}
+
+bool ipu3_css_queue_empty(struct ipu3_css *css)
+{
+ int q;
+
+ spin_lock(&css->qlock);
+ for (q = 0; q < IPU3_CSS_QUEUES; q++)
+ if (!list_empty(&css->queue[q].bufs))
+ break;
+ spin_unlock(&css->qlock);
+
+ return (q == IPU3_CSS_QUEUES);
+}
+
+bool ipu3_css_is_streaming(struct ipu3_css *css)
+{
+ return css->streaming;
+}
+
+void ipu3_css_cleanup(struct ipu3_css *css)
+{
+ struct imgu_device *imgu = dev_get_drvdata(css->dev);
+ unsigned int p, q, i;
+
+ ipu3_css_stop_streaming(css);
+ ipu3_css_binary_cleanup(css);
+
+ for (q = 0; q < IPU3_CSS_QUEUES; q++)
+ for (i = 0; i < ARRAY_SIZE(css->abi_buffers[q]); i++)
+ ipu3_dmamap_free(imgu, &css->abi_buffers[q][i]);
+
+ for (p = 0; p < IPU3_CSS_PIPE_ID_NUM; p++)
+ for (i = 0; i < IMGU_ABI_MAX_STAGES; i++) {
+ ipu3_dmamap_free(imgu, &css->xmem_sp_stage_ptrs[p][i]);
+ ipu3_dmamap_free(imgu, &css->xmem_isp_stage_ptrs[p][i]);
+ }
+
+ ipu3_dmamap_free(imgu, &css->sp_ddr_ptrs);
+ ipu3_dmamap_free(imgu, &css->xmem_sp_group_ptrs);
+
+ ipu3_css_fw_cleanup(css);
+}
+
+int ipu3_css_init(struct device *dev, struct ipu3_css *css,
+ void __iomem *base, int length)
+{
+ struct imgu_device *imgu = dev_get_drvdata(dev);
+ int r, p, q, i;
+
+ /* Initialize main data structure */
+ css->dev = dev;
+ css->base = base;
+ css->iomem_length = length;
+ css->current_binary = IPU3_CSS_DEFAULT_BINARY;
+ css->pipe_id = IPU3_CSS_PIPE_ID_NUM;
+ css->vf_output_en = IPU3_NODE_VF_DISABLED;
+ spin_lock_init(&css->qlock);
+
+ for (q = 0; q < IPU3_CSS_QUEUES; q++) {
+ r = ipu3_css_queue_init(&css->queue[q], NULL, 0);
+ if (r)
+ return r;
+ }
+
+ r = ipu3_css_fw_init(css);
+ if (r)
+ return r;
+
+ /* Allocate and map common structures with imgu hardware */
+
+ for (p = 0; p < IPU3_CSS_PIPE_ID_NUM; p++)
+ for (i = 0; i < IMGU_ABI_MAX_STAGES; i++) {
+ if (!ipu3_dmamap_alloc(imgu,
+ &css->xmem_sp_stage_ptrs[p][i],
+ sizeof(struct imgu_abi_sp_stage)))
+ goto error_no_memory;
+ if (!ipu3_dmamap_alloc(imgu,
+ &css->xmem_isp_stage_ptrs[p][i],
+ sizeof(struct imgu_abi_isp_stage)))
+ goto error_no_memory;
+ }
+
+ if (!ipu3_dmamap_alloc(imgu, &css->sp_ddr_ptrs,
+ ALIGN(sizeof(struct imgu_abi_ddr_address_map),
+ IMGU_ABI_ISP_DDR_WORD_BYTES)))
+ goto error_no_memory;
+
+ if (!ipu3_dmamap_alloc(imgu, &css->xmem_sp_group_ptrs,
+ sizeof(struct imgu_abi_sp_group)))
+ goto error_no_memory;
+
+ for (q = 0; q < IPU3_CSS_QUEUES; q++)
+ for (i = 0; i < ARRAY_SIZE(css->abi_buffers[q]); i++)
+ if (!ipu3_dmamap_alloc(imgu, &css->abi_buffers[q][i],
+ sizeof(struct imgu_abi_buffer)))
+ goto error_no_memory;
+
+ if (ipu3_css_binary_preallocate(css))
+ goto error_binary_setup;
+
+ return 0;
+
+error_binary_setup:
+ ipu3_css_binary_cleanup(css);
+error_no_memory:
+ ipu3_css_cleanup(css);
+
+ return -ENOMEM;
+}
+
+static u32 ipu3_css_adjust(u32 res, u32 align)
+{
+ u32 val = max_t(u32, IPU3_CSS_MIN_RES, res);
+
+ return DIV_ROUND_CLOSEST(val, align) * align;
+}
+
+/* Select a binary matching the required resolutions and formats */
+static int ipu3_css_find_binary(struct ipu3_css *css,
+ struct ipu3_css_queue queue[IPU3_CSS_QUEUES],
+ struct v4l2_rect rects[IPU3_CSS_RECTS])
+{
+ const int binary_nr = css->fwp->file_header.binary_nr;
+ unsigned int binary_mode = (css->pipe_id == IPU3_CSS_PIPE_ID_CAPTURE) ?
+ IA_CSS_BINARY_MODE_PRIMARY : IA_CSS_BINARY_MODE_VIDEO;
+ const struct v4l2_pix_format_mplane *in =
+ &queue[IPU3_CSS_QUEUE_IN].fmt.mpix;
+ const struct v4l2_pix_format_mplane *out =
+ &queue[IPU3_CSS_QUEUE_OUT].fmt.mpix;
+ const struct v4l2_pix_format_mplane *vf =
+ &queue[IPU3_CSS_QUEUE_VF].fmt.mpix;
+ u32 stripe_w = 0, stripe_h = 0;
+ const char *name;
+ int i, j;
+
+ if (!ipu3_css_queue_enabled(&queue[IPU3_CSS_QUEUE_IN]))
+ return -EINVAL;
+
+ /* Find out the strip size boundary */
+ for (i = 0; i < binary_nr; i++) {
+ struct imgu_fw_info *bi = &css->fwp->binary_header[i];
+
+ u32 max_width = bi->info.isp.sp.output.max_width;
+ u32 max_height = bi->info.isp.sp.output.max_height;
+
+ if (bi->info.isp.sp.iterator.num_stripes <= 1) {
+ stripe_w = stripe_w ?
+ min(stripe_w, max_width) : max_width;
+ stripe_h = stripe_h ?
+ min(stripe_h, max_height) : max_height;
+ }
+ }
+
+ for (i = 0; i < binary_nr; i++) {
+ struct imgu_fw_info *bi = &css->fwp->binary_header[i];
+ enum imgu_abi_frame_format q_fmt;
+
+ name = (void *)css->fwp + bi->blob.prog_name_offset;
+
+ /* Check that binary supports memory-to-memory processing */
+ if (bi->info.isp.sp.input.source !=
+ IMGU_ABI_BINARY_INPUT_SOURCE_MEMORY)
+ continue;
+
+ /* Check that binary supports raw10 input */
+ if (!bi->info.isp.sp.enable.input_feeder &&
+ !bi->info.isp.sp.enable.input_raw)
+ continue;
+
+ /* Check binary mode */
+ if (bi->info.isp.sp.pipeline.mode != binary_mode)
+ continue;
+
+ /* Since input is RGGB bayer, need to process colors */
+ if (bi->info.isp.sp.enable.luma_only)
+ continue;
+
+ if (in->width < bi->info.isp.sp.input.min_width ||
+ in->width > bi->info.isp.sp.input.max_width ||
+ in->height < bi->info.isp.sp.input.min_height ||
+ in->height > bi->info.isp.sp.input.max_height)
+ continue;
+
+ if (ipu3_css_queue_enabled(&queue[IPU3_CSS_QUEUE_OUT])) {
+ if (bi->info.isp.num_output_pins <= 0)
+ continue;
+
+ q_fmt = queue[IPU3_CSS_QUEUE_OUT].css_fmt->frame_format;
+ for (j = 0; j < bi->info.isp.num_output_formats; j++)
+ if (bi->info.isp.output_formats[j] == q_fmt)
+ break;
+ if (j >= bi->info.isp.num_output_formats)
+ continue;
+
+ if (out->width < bi->info.isp.sp.output.min_width ||
+ out->width > bi->info.isp.sp.output.max_width ||
+ out->height < bi->info.isp.sp.output.min_height ||
+ out->height > bi->info.isp.sp.output.max_height)
+ continue;
+
+ if (out->width > bi->info.isp.sp.internal.max_width ||
+ out->height > bi->info.isp.sp.internal.max_height)
+ continue;
+ }
+
+ if (ipu3_css_queue_enabled(&queue[IPU3_CSS_QUEUE_VF])) {
+ if (bi->info.isp.num_output_pins <= 1)
+ continue;
+
+ q_fmt = queue[IPU3_CSS_QUEUE_VF].css_fmt->frame_format;
+ for (j = 0; j < bi->info.isp.num_output_formats; j++)
+ if (bi->info.isp.output_formats[j] == q_fmt)
+ break;
+ if (j >= bi->info.isp.num_output_formats)
+ continue;
+
+ if (vf->width < bi->info.isp.sp.output.min_width ||
+ vf->width > bi->info.isp.sp.output.max_width ||
+ vf->height < bi->info.isp.sp.output.min_height ||
+ vf->height > bi->info.isp.sp.output.max_height)
+ continue;
+ }
+
+ /* All checks passed, select the binary */
+ dev_dbg(css->dev, "using binary %s\n", name);
+ return i;
+ }
+
+ /* Can not find suitable binary for these parameters */
+ return -EINVAL;
+}
+
+/*
+ * Check that there is a binary matching requirements. Parameters may be
+ * NULL indicating disabled input/output. Return negative if given
+ * parameters can not be supported or on error, zero or positive indicating
+ * found binary number. May modify the given parameters if not exact match
+ * is found.
+ */
+int ipu3_css_fmt_try(struct ipu3_css *css,
+ struct v4l2_pix_format_mplane *fmts[IPU3_CSS_QUEUES],
+ struct v4l2_rect *rects[IPU3_CSS_RECTS])
+{
+ static const u32 EFF_ALIGN_W = 2;
+ static const u32 BDS_ALIGN_W = 4;
+ static const u32 OUT_ALIGN_W = 8;
+ static const u32 OUT_ALIGN_H = 4;
+ static const u32 VF_ALIGN_W = 2;
+ static const char *qnames[IPU3_CSS_QUEUES] = {
+ [IPU3_CSS_QUEUE_IN] = "in",
+ [IPU3_CSS_QUEUE_PARAMS] = "params",
+ [IPU3_CSS_QUEUE_OUT] = "out",
+ [IPU3_CSS_QUEUE_VF] = "vf",
+ [IPU3_CSS_QUEUE_STAT_3A] = "3a",
+ };
+ static const char *rnames[IPU3_CSS_RECTS] = {
+ [IPU3_CSS_RECT_EFFECTIVE] = "effective resolution",
+ [IPU3_CSS_RECT_BDS] = "bayer-domain scaled resolution",
+ [IPU3_CSS_RECT_ENVELOPE] = "DVS envelope size",
+ [IPU3_CSS_RECT_GDC] = "GDC output res",
+ };
+ struct v4l2_rect r[IPU3_CSS_RECTS] = { };
+ struct v4l2_rect *const eff = &r[IPU3_CSS_RECT_EFFECTIVE];
+ struct v4l2_rect *const bds = &r[IPU3_CSS_RECT_BDS];
+ struct v4l2_rect *const env = &r[IPU3_CSS_RECT_ENVELOPE];
+ struct v4l2_rect *const gdc = &r[IPU3_CSS_RECT_GDC];
+ struct ipu3_css_queue q[IPU3_CSS_QUEUES];
+ struct v4l2_pix_format_mplane *const in =
+ &q[IPU3_CSS_QUEUE_IN].fmt.mpix;
+ struct v4l2_pix_format_mplane *const out =
+ &q[IPU3_CSS_QUEUE_OUT].fmt.mpix;
+ struct v4l2_pix_format_mplane *const vf =
+ &q[IPU3_CSS_QUEUE_VF].fmt.mpix;
+ int binary, i, s;
+
+ /* Decide which pipe to use */
+ if (css->vf_output_en == IPU3_NODE_PV_ENABLED)
+ css->pipe_id = IPU3_CSS_PIPE_ID_CAPTURE;
+ else if (css->vf_output_en == IPU3_NODE_VF_ENABLED)
+ css->pipe_id = IPU3_CSS_PIPE_ID_VIDEO;
+
+ /* Adjust all formats, get statistics buffer sizes and formats */
+ for (i = 0; i < IPU3_CSS_QUEUES; i++) {
+ if (fmts[i])
+ dev_dbg(css->dev, "%s %s: (%i,%i) fmt 0x%x\n", __func__,
+ qnames[i], fmts[i]->width, fmts[i]->height,
+ fmts[i]->pixelformat);
+ else
+ dev_dbg(css->dev, "%s %s: (not set)\n", __func__,
+ qnames[i]);
+ if (ipu3_css_queue_init(&q[i], fmts[i],
+ IPU3_CSS_QUEUE_TO_FLAGS(i))) {
+ dev_notice(css->dev, "can not initialize queue %s\n",
+ qnames[i]);
+ return -EINVAL;
+ }
+ }
+ for (i = 0; i < IPU3_CSS_RECTS; i++) {
+ if (rects[i]) {
+ dev_dbg(css->dev, "%s %s: (%i,%i)\n", __func__,
+ rnames[i], rects[i]->width, rects[i]->height);
+ r[i].width = rects[i]->width;
+ r[i].height = rects[i]->height;
+ } else {
+ dev_dbg(css->dev, "%s %s: (not set)\n", __func__,
+ rnames[i]);
+ }
+ /* For now, force known good resolutions */
+ r[i].left = 0;
+ r[i].top = 0;
+ }
+
+ /* Always require one input and vf only if out is also enabled */
+ if (!ipu3_css_queue_enabled(&q[IPU3_CSS_QUEUE_IN]) ||
+ (ipu3_css_queue_enabled(&q[IPU3_CSS_QUEUE_VF]) &&
+ !ipu3_css_queue_enabled(&q[IPU3_CSS_QUEUE_OUT]))) {
+ dev_dbg(css->dev, "required queues are disabled\n");
+ return -EINVAL;
+ }
+
+ if (!ipu3_css_queue_enabled(&q[IPU3_CSS_QUEUE_OUT])) {
+ out->width = in->width;
+ out->height = in->height;
+ }
+ if (eff->width <= 0 || eff->height <= 0) {
+ eff->width = in->width;
+ eff->height = in->height;
+ }
+ if (bds->width <= 0 || bds->height <= 0) {
+ bds->width = out->width;
+ bds->height = out->height;
+ }
+ if (gdc->width <= 0 || gdc->height <= 0) {
+ gdc->width = out->width;
+ gdc->height = out->height;
+ }
+
+ in->width = ipu3_css_adjust(in->width, 1);
+ in->height = ipu3_css_adjust(in->height, 1);
+ eff->width = ipu3_css_adjust(eff->width, EFF_ALIGN_W);
+ eff->height = ipu3_css_adjust(eff->height, 1);
+ bds->width = ipu3_css_adjust(bds->width, BDS_ALIGN_W);
+ bds->height = ipu3_css_adjust(bds->height, 1);
+ gdc->width = ipu3_css_adjust(gdc->width, OUT_ALIGN_W);
+ gdc->height = ipu3_css_adjust(gdc->height, OUT_ALIGN_H);
+ out->width = ipu3_css_adjust(out->width, OUT_ALIGN_W);
+ out->height = ipu3_css_adjust(out->height, OUT_ALIGN_H);
+ vf->width = ipu3_css_adjust(vf->width, VF_ALIGN_W);
+ vf->height = ipu3_css_adjust(vf->height, 1);
+
+ s = (bds->width - gdc->width) / 2 - FILTER_SIZE;
+ env->width = s < MIN_ENVELOPE ? MIN_ENVELOPE : s;
+ s = (bds->height - gdc->height) / 2 - FILTER_SIZE;
+ env->height = s < MIN_ENVELOPE ? MIN_ENVELOPE : s;
+
+ binary = ipu3_css_find_binary(css, q, r);
+ if (binary < 0) {
+ dev_err(css->dev, "failed to find suitable binary\n");
+ return -EINVAL;
+ }
+
+ /* Final adjustment and set back the queried formats */
+ for (i = 0; i < IPU3_CSS_QUEUES; i++) {
+ if (fmts[i]) {
+ if (ipu3_css_queue_init(&q[i], &q[i].fmt.mpix,
+ IPU3_CSS_QUEUE_TO_FLAGS(i))) {
+ dev_err(css->dev,
+ "final resolution adjustment failed\n");
+ return -EINVAL;
+ }
+ *fmts[i] = q[i].fmt.mpix;
+ }
+ }
+
+ for (i = 0; i < IPU3_CSS_RECTS; i++)
+ if (rects[i])
+ *rects[i] = r[i];
+
+ dev_dbg(css->dev,
+ "in(%u,%u) if(%u,%u) ds(%u,%u) gdc(%u,%u) out(%u,%u) vf(%u,%u)",
+ in->width, in->height, eff->width, eff->height,
+ bds->width, bds->height, gdc->width, gdc->height,
+ out->width, out->height, vf->width, vf->height);
+
+ return binary;
+}
+
+int ipu3_css_fmt_set(struct ipu3_css *css,
+ struct v4l2_pix_format_mplane *fmts[IPU3_CSS_QUEUES],
+ struct v4l2_rect *rects[IPU3_CSS_RECTS])
+{
+ struct v4l2_rect rect_data[IPU3_CSS_RECTS];
+ struct v4l2_rect *all_rects[IPU3_CSS_RECTS];
+ int i, r;
+
+ for (i = 0; i < IPU3_CSS_RECTS; i++) {
+ if (rects[i])
+ rect_data[i] = *rects[i];
+ else
+ memset(&rect_data[i], 0, sizeof(rect_data[i]));
+ all_rects[i] = &rect_data[i];
+ }
+ r = ipu3_css_fmt_try(css, fmts, all_rects);
+ if (r < 0)
+ return r;
+ css->current_binary = (unsigned int)r;
+
+ for (i = 0; i < IPU3_CSS_QUEUES; i++)
+ if (ipu3_css_queue_init(&css->queue[i], fmts[i],
+ IPU3_CSS_QUEUE_TO_FLAGS(i)))
+ return -EINVAL;
+ for (i = 0; i < IPU3_CSS_RECTS; i++) {
+ css->rect[i] = rect_data[i];
+ if (rects[i])
+ *rects[i] = rect_data[i];
+ }
+
+ return 0;
+}
+
+int ipu3_css_meta_fmt_set(struct v4l2_meta_format *fmt)
+{
+ switch (fmt->dataformat) {
+ case V4L2_META_FMT_IPU3_PARAMS:
+ fmt->buffersize = sizeof(struct ipu3_uapi_params);
+ break;
+ case V4L2_META_FMT_IPU3_STAT_3A:
+ fmt->buffersize = sizeof(struct ipu3_uapi_stats_3a);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/*
+ * Queue given buffer to CSS. ipu3_css_buf_prepare() must have been first
+ * called for the buffer. May be called from interrupt context.
+ * Returns 0 on success, -EBUSY if the buffer queue is full, or some other
+ * code on error conditions.
+ */
+int ipu3_css_buf_queue(struct ipu3_css *css, struct ipu3_css_buffer *b)
+{
+ static const int thread;
+ struct imgu_abi_buffer *abi_buf;
+ struct imgu_addr_t *buf_addr;
+ u32 data;
+ int r;
+
+ if (!css->streaming)
+ return -EPROTO; /* CSS or buffer in wrong state */
+
+ if (b->queue >= IPU3_CSS_QUEUES || !ipu3_css_queues[b->queue].qid)
+ return -EINVAL;
+
+ b->queue_pos = ipu3_css_queue_pos(css, ipu3_css_queues[b->queue].qid,
+ thread);
+
+ if (b->queue_pos >= ARRAY_SIZE(css->abi_buffers[b->queue]))
+ return -EIO;
+ abi_buf = css->abi_buffers[b->queue][b->queue_pos].vaddr;
+
+ /* Fill struct abi_buffer for firmware */
+ memset(abi_buf, 0, sizeof(*abi_buf));
+
+ buf_addr = (void *)abi_buf + ipu3_css_queues[b->queue].ptr_ofs;
+ *(imgu_addr_t *)buf_addr = b->daddr;
+
+ if (b->queue == IPU3_CSS_QUEUE_STAT_3A)
+ abi_buf->payload.s3a.data.dmem.s3a_tbl = b->daddr;
+
+ if (b->queue == IPU3_CSS_QUEUE_OUT)
+ abi_buf->payload.frame.padded_width =
+ css->queue[IPU3_CSS_QUEUE_OUT].width_pad;
+
+ if (b->queue == IPU3_CSS_QUEUE_VF)
+ abi_buf->payload.frame.padded_width =
+ css->queue[IPU3_CSS_QUEUE_VF].width_pad;
+
+ spin_lock(&css->qlock);
+ list_add_tail(&b->list, &css->queue[b->queue].bufs);
+ spin_unlock(&css->qlock);
+ b->state = IPU3_CSS_BUFFER_QUEUED;
+
+ data = css->abi_buffers[b->queue][b->queue_pos].daddr;
+ r = ipu3_css_queue_data(css, ipu3_css_queues[b->queue].qid,
+ thread, data);
+ if (r < 0)
+ goto queueing_failed;
+
+ data = IMGU_ABI_EVENT_BUFFER_ENQUEUED(thread,
+ ipu3_css_queues[b->queue].qid);
+ r = ipu3_css_queue_data(css, IMGU_ABI_QUEUE_EVENT_ID, 0, data);
+ if (r < 0)
+ goto queueing_failed;
+
+ dev_dbg(css->dev, "queued buffer %p to css queue %i\n", b, b->queue);
+
+ return 0;
+
+queueing_failed:
+ b->state = (r == -EBUSY || r == -EAGAIN) ?
+ IPU3_CSS_BUFFER_NEW : IPU3_CSS_BUFFER_FAILED;
+ list_del(&b->list);
+
+ return r;
+}
+
+/*
+ * Get next ready CSS buffer. Returns -EAGAIN in which case the function
+ * should be called again, or -EBUSY which means that there are no more
+ * buffers available. May be called from interrupt context.
+ */
+struct ipu3_css_buffer *ipu3_css_buf_dequeue(struct ipu3_css *css)
+{
+ static const int thread;
+ static const unsigned char evtype_to_queue[] = {
+ [IMGU_ABI_EVTTYPE_INPUT_FRAME_DONE] = IPU3_CSS_QUEUE_IN,
+ [IMGU_ABI_EVTTYPE_OUT_FRAME_DONE] = IPU3_CSS_QUEUE_OUT,
+ [IMGU_ABI_EVTTYPE_VF_OUT_FRAME_DONE] = IPU3_CSS_QUEUE_VF,
+ [IMGU_ABI_EVTTYPE_3A_STATS_DONE] = IPU3_CSS_QUEUE_STAT_3A,
+ };
+ struct ipu3_css_buffer *b = ERR_PTR(-EAGAIN);
+ u32 event, daddr;
+ int evtype, pipe, pipeid, queue, qid, r;
+
+ if (!css->streaming)
+ return ERR_PTR(-EPROTO);
+
+ r = ipu3_css_dequeue_data(css, IMGU_ABI_QUEUE_EVENT_ID, &event);
+ if (r < 0)
+ return ERR_PTR(r);
+
+ evtype = (event & IMGU_ABI_EVTTYPE_EVENT_MASK) >>
+ IMGU_ABI_EVTTYPE_EVENT_SHIFT;
+
+ switch (evtype) {
+ case IMGU_ABI_EVTTYPE_OUT_FRAME_DONE:
+ case IMGU_ABI_EVTTYPE_VF_OUT_FRAME_DONE:
+ case IMGU_ABI_EVTTYPE_3A_STATS_DONE:
+ case IMGU_ABI_EVTTYPE_INPUT_FRAME_DONE:
+ pipe = (event & IMGU_ABI_EVTTYPE_PIPE_MASK) >>
+ IMGU_ABI_EVTTYPE_PIPE_SHIFT;
+ pipeid = (event & IMGU_ABI_EVTTYPE_PIPEID_MASK) >>
+ IMGU_ABI_EVTTYPE_PIPEID_SHIFT;
+ queue = evtype_to_queue[evtype];
+ qid = ipu3_css_queues[queue].qid;
+
+ if (qid >= IMGU_ABI_QUEUE_NUM) {
+ dev_err(css->dev, "Invalid qid: %i\n", qid);
+ return ERR_PTR(-EIO);
+ }
+
+ dev_dbg(css->dev,
+ "event: buffer done 0x%x queue %i pipe %i pipeid %i\n",
+ event, queue, pipe, pipeid);
+
+ r = ipu3_css_dequeue_data(css, qid, &daddr);
+ if (r < 0) {
+ dev_err(css->dev, "failed to dequeue buffer\n");
+ /* Force real error, not -EBUSY */
+ return ERR_PTR(-EIO);
+ }
+
+ r = ipu3_css_queue_data(css, IMGU_ABI_QUEUE_EVENT_ID, thread,
+ IMGU_ABI_EVENT_BUFFER_DEQUEUED(qid));
+ if (r < 0) {
+ dev_err(css->dev, "failed to queue event\n");
+ return ERR_PTR(-EIO);
+ }
+
+ spin_lock(&css->qlock);
+ if (list_empty(&css->queue[queue].bufs)) {
+ spin_unlock(&css->qlock);
+ dev_err(css->dev, "event on empty queue\n");
+ return ERR_PTR(-EIO);
+ }
+ b = list_first_entry(&css->queue[queue].bufs,
+ struct ipu3_css_buffer, list);
+ if (queue != b->queue ||
+ daddr != css->abi_buffers[b->queue][b->queue_pos].daddr) {
+ spin_unlock(&css->qlock);
+ dev_err(css->dev, "dequeued bad buffer 0x%x\n", daddr);
+ return ERR_PTR(-EIO);
+ }
+ b->state = IPU3_CSS_BUFFER_DONE;
+ list_del(&b->list);
+ spin_unlock(&css->qlock);
+ break;
+ case IMGU_ABI_EVTTYPE_PIPELINE_DONE:
+ dev_dbg(css->dev, "event: pipeline done 0x%x for frame %ld\n",
+ event, css->frame);
+
+ if (css->frame == LONG_MAX)
+ css->frame = 0;
+ else
+ css->frame++;
+ break;
+ case IMGU_ABI_EVTTYPE_TIMER:
+ r = ipu3_css_dequeue_data(css, IMGU_ABI_QUEUE_EVENT_ID, &event);
+ if (r < 0)
+ return ERR_PTR(r);
+
+ if ((event & IMGU_ABI_EVTTYPE_EVENT_MASK) >>
+ IMGU_ABI_EVTTYPE_EVENT_SHIFT == IMGU_ABI_EVTTYPE_TIMER)
+ dev_dbg(css->dev, "event: timer\n");
+ else
+ dev_warn(css->dev, "half of timer event missing\n");
+ break;
+ case IMGU_ABI_EVTTYPE_FW_WARNING:
+ dev_warn(css->dev, "event: firmware warning 0x%x\n", event);
+ break;
+ case IMGU_ABI_EVTTYPE_FW_ASSERT:
+ dev_err(css->dev,
+ "event: firmware assert 0x%x module_id %i line_no %i\n",
+ event,
+ (event & IMGU_ABI_EVTTYPE_MODULEID_MASK) >>
+ IMGU_ABI_EVTTYPE_MODULEID_SHIFT,
+ swab16((event & IMGU_ABI_EVTTYPE_LINENO_MASK) >>
+ IMGU_ABI_EVTTYPE_LINENO_SHIFT));
+ break;
+ default:
+ dev_warn(css->dev, "received unknown event 0x%x\n", event);
+ }
+
+ return b;
+}
+
+/*
+ * Get a new set of parameters from pool and initialize them based on
+ * the parameters params, gdc, and obgrid. Any of these may be NULL,
+ * in which case the previously set parameters are used.
+ * If parameters haven't been set previously, initialize from scratch.
+ *
+ * Return index to css->parameter_set_info which has the newly created
+ * parameters or negative value on error.
+ */
+int ipu3_css_set_parameters(struct ipu3_css *css,
+ struct ipu3_uapi_params *set_params)
+{
+ struct ipu3_uapi_flags *use = set_params ? &set_params->use : NULL;
+ static const unsigned int queue_id = IMGU_ABI_QUEUE_A_ID;
+ const int stage = 0, thread = 0;
+ const struct imgu_fw_info *bi;
+ unsigned int stripes, i;
+ int obgrid_size;
+
+ /* Destination buffers which are filled here */
+ struct imgu_abi_parameter_set_info *param_set;
+ struct imgu_abi_acc_param *acc = NULL;
+ struct imgu_abi_gdc_warp_param *gdc = NULL;
+ struct ipu3_uapi_obgrid_param *obgrid = NULL;
+ const struct ipu3_css_map *map;
+ void *vmem0 = NULL;
+ void *dmem0 = NULL;
+
+ enum imgu_abi_memories m;
+ int r = -EBUSY;
+
+ if (!css->streaming)
+ return -EPROTO;
+
+ bi = &css->fwp->binary_header[css->current_binary];
+ obgrid_size = ipu3_css_fw_obgrid_size(bi);
+ stripes = bi->info.isp.sp.iterator.num_stripes ? : 1;
+
+ /*
+ * Check that we can get a new parameter_set_info from the pool.
+ * If this succeeds, then all of the other pool_get() calls below
+ * should also succeed.
+ */
+ if (ipu3_css_pool_get(&css->pool.parameter_set_info, css->frame) < 0)
+ goto fail_no_put;
+ param_set = ipu3_css_pool_last(&css->pool.parameter_set_info, 0)->vaddr;
+
+ map = ipu3_css_pool_last(&css->pool.acc, 0);
+ /* Get a new acc only if new parameters given, or none yet */
+ if (set_params || !map->vaddr) {
+ if (ipu3_css_pool_get(&css->pool.acc, css->frame) < 0)
+ goto fail;
+ map = ipu3_css_pool_last(&css->pool.acc, 0);
+ acc = map->vaddr;
+ }
+
+ /* Get new VMEM0 only if needed, or none yet */
+ m = IMGU_ABI_MEM_ISP_VMEM0;
+ map = ipu3_css_pool_last(&css->pool.binary_params_p[m], 0);
+ if (!map->vaddr || (set_params && (set_params->use.lin_vmem_params ||
+ set_params->use.tnr3_vmem_params ||
+ set_params->use.xnr3_vmem_params))) {
+ if (ipu3_css_pool_get(&css->pool.binary_params_p[m],
+ css->frame) < 0)
+ goto fail;
+ map = ipu3_css_pool_last(&css->pool.binary_params_p[m], 0);
+ vmem0 = map->vaddr;
+ }
+
+ /* Get new DMEM0 only if needed, or none yet */
+ m = IMGU_ABI_MEM_ISP_DMEM0;
+ map = ipu3_css_pool_last(&css->pool.binary_params_p[m], 0);
+ if (!map->vaddr || (set_params && (set_params->use.tnr3_dmem_params ||
+ set_params->use.xnr3_dmem_params))) {
+ if (ipu3_css_pool_get(&css->pool.binary_params_p[m],
+ css->frame) < 0)
+ goto fail;
+ map = ipu3_css_pool_last(&css->pool.binary_params_p[m], 0);
+ dmem0 = map->vaddr;
+ }
+
+ /* Configure acc parameter cluster */
+ if (acc) {
+ map = ipu3_css_pool_last(&css->pool.acc, 1);
+ r = ipu3_css_cfg_acc(css, use, acc, map->vaddr, set_params ?
+ &set_params->acc_param : NULL);
+ if (r < 0)
+ goto fail;
+ }
+
+ /* Configure late binding parameters */
+ if (vmem0) {
+ m = IMGU_ABI_MEM_ISP_VMEM0;
+ map = ipu3_css_pool_last(&css->pool.binary_params_p[m], 1);
+ r = ipu3_css_cfg_vmem0(css, use, vmem0, map->vaddr, set_params);
+ if (r < 0)
+ goto fail;
+ }
+
+ if (dmem0) {
+ m = IMGU_ABI_MEM_ISP_DMEM0;
+ map = ipu3_css_pool_last(&css->pool.binary_params_p[m], 1);
+ r = ipu3_css_cfg_dmem0(css, use, dmem0, map->vaddr, set_params);
+ if (r < 0)
+ goto fail;
+ }
+
+ /* Get a new gdc only if a new gdc is given, or none yet */
+ if (bi->info.isp.sp.enable.dvs_6axis) {
+ unsigned int a = IPU3_CSS_AUX_FRAME_REF;
+ unsigned int g = IPU3_CSS_RECT_GDC;
+ unsigned int e = IPU3_CSS_RECT_ENVELOPE;
+
+ map = ipu3_css_pool_last(&css->pool.gdc, 0);
+ if (!map->vaddr) {
+ if (ipu3_css_pool_get(&css->pool.gdc, css->frame) < 0)
+ goto fail;
+ map = ipu3_css_pool_last(&css->pool.gdc, 0);
+ gdc = map->vaddr;
+ ipu3_css_cfg_gdc_table(gdc,
+ css->aux_frames[a].bytesperline /
+ css->aux_frames[a].bytesperpixel,
+ css->aux_frames[a].height,
+ css->rect[g].width,
+ css->rect[g].height,
+ css->rect[e].width + FILTER_SIZE,
+ css->rect[e].height +
+ FILTER_SIZE);
+ }
+ }
+
+ /* Get a new obgrid only if a new obgrid is given, or none yet */
+ map = ipu3_css_pool_last(&css->pool.obgrid, 0);
+ if (!map->vaddr || (set_params && set_params->use.obgrid_param)) {
+ if (ipu3_css_pool_get(&css->pool.obgrid, css->frame) < 0)
+ goto fail;
+ map = ipu3_css_pool_last(&css->pool.obgrid, 0);
+ obgrid = map->vaddr;
+
+ /* Configure optical black level grid (obgrid) */
+ if (set_params && set_params->use.obgrid_param)
+ for (i = 0; i < obgrid_size / sizeof(*obgrid); i++)
+ obgrid[i] = set_params->obgrid_param;
+ else
+ memset(obgrid, 0, obgrid_size);
+ }
+
+ /* Configure parameter set info, queued to `queue_id' */
+
+ memset(param_set, 0, sizeof(*param_set));
+ map = ipu3_css_pool_last(&css->pool.acc, 0);
+ param_set->mem_map.acc_cluster_params_for_sp = map->daddr;
+
+ map = ipu3_css_pool_last(&css->pool.gdc, 0);
+ param_set->mem_map.dvs_6axis_params_y = map->daddr;
+
+ map = ipu3_css_pool_last(&css->pool.obgrid, 0);
+ for (i = 0; i < stripes; i++)
+ param_set->mem_map.obgrid_tbl[i] =
+ map->daddr + (obgrid_size / stripes) * i;
+
+ for (m = 0; m < IMGU_ABI_NUM_MEMORIES; m++) {
+ map = ipu3_css_pool_last(&css->pool.binary_params_p[m], 0);
+ param_set->mem_map.isp_mem_param[stage][m] = map->daddr;
+ }
+ /* Then queue the new parameter buffer */
+ map = ipu3_css_pool_last(&css->pool.parameter_set_info, 0);
+ r = ipu3_css_queue_data(css, queue_id, thread, map->daddr);
+ if (r < 0)
+ goto fail;
+
+ r = ipu3_css_queue_data(css, IMGU_ABI_QUEUE_EVENT_ID, 0,
+ IMGU_ABI_EVENT_BUFFER_ENQUEUED(thread,
+ queue_id));
+ if (r < 0)
+ goto fail_no_put;
+
+ /* Finally dequeue all old parameter buffers */
+
+ do {
+ u32 daddr;
+
+ r = ipu3_css_dequeue_data(css, queue_id, &daddr);
+ if (r == -EBUSY)
+ break;
+ if (r)
+ goto fail_no_put;
+ r = ipu3_css_queue_data(css, IMGU_ABI_QUEUE_EVENT_ID, thread,
+ IMGU_ABI_EVENT_BUFFER_DEQUEUED
+ (queue_id));
+ if (r < 0) {
+ dev_err(css->dev, "failed to queue parameter event\n");
+ goto fail_no_put;
+ }
+ } while (1);
+
+ return 0;
+
+fail:
+ /*
+ * A failure, most likely the parameter queue was full.
+ * Return error but continue streaming. User can try submitting new
+ * parameters again later.
+ */
+
+ ipu3_css_pool_put(&css->pool.parameter_set_info);
+ if (acc)
+ ipu3_css_pool_put(&css->pool.acc);
+ if (gdc)
+ ipu3_css_pool_put(&css->pool.gdc);
+ if (obgrid)
+ ipu3_css_pool_put(&css->pool.obgrid);
+ if (vmem0)
+ ipu3_css_pool_put(
+ &css->pool.binary_params_p[IMGU_ABI_MEM_ISP_VMEM0]);
+ if (dmem0)
+ ipu3_css_pool_put(
+ &css->pool.binary_params_p[IMGU_ABI_MEM_ISP_DMEM0]);
+
+fail_no_put:
+ return r;
+}
+
int ipu3_css_irq_ack(struct ipu3_css *css)
{
static const int NUM_SWIRQS = 3;
--
2.7.4
