1 files changed, 338 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sdis/sdis_2/ia_css_sdis2.host.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sdis/sdis_2/ia_css_sdis2.host.c
new file mode 100644
index 0000000..5a0c103
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sdis/sdis_2/ia_css_sdis2.host.c
@@ -0,0 +1,338 @@
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#include <assert_support.h>
+#include "memory_access.h"
+#include "ia_css_debug.h"
+#include "ia_css_sdis2.host.h"
+
+const struct ia_css_dvs2_coefficients default_sdis2_config = {
+	.grid = { 0, 0, 0, 0, 0, 0, 0, 0 },
+	.hor_coefs = { NULL, NULL, NULL, NULL },
+	.ver_coefs = { NULL, NULL, NULL, NULL },
+};
+
+static void
+fill_row(short *private, const short *public, unsigned width, unsigned padding)
+{
+	memcpy (private, public, width*sizeof(short));
+	memset (&private[width], 0, padding*sizeof(short));
+}
+
+void ia_css_sdis2_horicoef_vmem_encode (
+	struct sh_css_isp_sdis_hori_coef_tbl *to,
+	const struct ia_css_dvs2_coefficients *from,
+	unsigned size)
+{
+	unsigned aligned_width = from->grid.aligned_width * from->grid.bqs_per_grid_cell;
+	unsigned width         = from->grid.num_hor_coefs;
+	int      padding       = aligned_width-width;
+	unsigned stride        = size/IA_CSS_DVS2_NUM_COEF_TYPES/sizeof(short);
+	unsigned total_bytes   = aligned_width*IA_CSS_DVS2_NUM_COEF_TYPES*sizeof(short);
+	short   *private       = (short*)to;
+
+
+	/* Copy the table, add padding */
+	assert(padding >= 0);
+	assert(total_bytes <= size);
+	assert(size % (IA_CSS_DVS2_NUM_COEF_TYPES*ISP_VEC_NELEMS*sizeof(short)) == 0);
+	fill_row(&private[0*stride], from->hor_coefs.odd_real,  width, padding);
+	fill_row(&private[1*stride], from->hor_coefs.odd_imag,  width, padding);
+	fill_row(&private[2*stride], from->hor_coefs.even_real, width, padding);
+	fill_row(&private[3*stride], from->hor_coefs.even_imag, width, padding);
+}
+
+void ia_css_sdis2_vertcoef_vmem_encode (
+	struct sh_css_isp_sdis_vert_coef_tbl *to,
+	const struct ia_css_dvs2_coefficients *from,
+	unsigned size)
+{
+	unsigned aligned_height = from->grid.aligned_height * from->grid.bqs_per_grid_cell;
+	unsigned height         = from->grid.num_ver_coefs;
+	int      padding        = aligned_height-height;
+	unsigned stride         = size/IA_CSS_DVS2_NUM_COEF_TYPES/sizeof(short);
+	unsigned total_bytes    = aligned_height*IA_CSS_DVS2_NUM_COEF_TYPES*sizeof(short);
+	short   *private        = (short*)to;
+
+	/* Copy the table, add padding */
+	assert(padding >= 0);
+	assert(total_bytes <= size);
+	assert(size % (IA_CSS_DVS2_NUM_COEF_TYPES*ISP_VEC_NELEMS*sizeof(short)) == 0);
+	fill_row(&private[0*stride], from->ver_coefs.odd_real,  height, padding);
+	fill_row(&private[1*stride], from->ver_coefs.odd_imag,  height, padding);
+	fill_row(&private[2*stride], from->ver_coefs.even_real, height, padding);
+	fill_row(&private[3*stride], from->ver_coefs.even_imag, height, padding);
+}
+
+void ia_css_sdis2_horiproj_encode (
+	struct sh_css_isp_sdis_hori_proj_tbl *to,
+	const struct ia_css_dvs2_coefficients *from,
+	unsigned size)
+{
+	(void)to;
+	(void)from;
+	(void)size;
+}
+
+void ia_css_sdis2_vertproj_encode (
+	struct sh_css_isp_sdis_vert_proj_tbl *to,
+	const struct ia_css_dvs2_coefficients *from,
+	unsigned size)
+{
+	(void)to;
+	(void)from;
+	(void)size;
+}
+
+void ia_css_get_isp_dvs2_coefficients(
+	struct ia_css_stream *stream,
+	short *hor_coefs_odd_real,
+	short *hor_coefs_odd_imag,
+	short *hor_coefs_even_real,
+	short *hor_coefs_even_imag,
+	short *ver_coefs_odd_real,
+	short *ver_coefs_odd_imag,
+	short *ver_coefs_even_real,
+	short *ver_coefs_even_imag)
+{
+	struct ia_css_isp_parameters *params;
+	unsigned int hor_num_3a, ver_num_3a;
+	unsigned int hor_num_isp, ver_num_isp;
+	struct ia_css_binary *dvs_binary;
+
+	IA_CSS_ENTER("void");
+
+	assert(stream != NULL);
+	assert(hor_coefs_odd_real  != NULL);
+	assert(hor_coefs_odd_imag  != NULL);
+	assert(hor_coefs_even_real != NULL);
+	assert(hor_coefs_even_imag != NULL);
+	assert(ver_coefs_odd_real  != NULL);
+	assert(ver_coefs_odd_imag  != NULL);
+	assert(ver_coefs_even_real != NULL);
+	assert(ver_coefs_even_imag != NULL);
+
+	params = stream->isp_params_configs;
+
+	/* Only video pipe supports DVS */
+	dvs_binary = ia_css_stream_get_dvs_binary(stream);
+	if (!dvs_binary)
+		return;
+
+	hor_num_3a  = dvs_binary->dis.coef.dim.width;
+	ver_num_3a  = dvs_binary->dis.coef.dim.height;
+	hor_num_isp = dvs_binary->dis.coef.pad.width;
+	ver_num_isp = dvs_binary->dis.coef.pad.height;
+
+	memcpy (hor_coefs_odd_real,  params->dvs2_coefs.hor_coefs.odd_real,  hor_num_3a * sizeof(short));
+	memcpy (hor_coefs_odd_imag,  params->dvs2_coefs.hor_coefs.odd_imag,  hor_num_3a * sizeof(short));
+	memcpy (hor_coefs_even_real, params->dvs2_coefs.hor_coefs.even_real, hor_num_3a * sizeof(short));
+	memcpy (hor_coefs_even_imag, params->dvs2_coefs.hor_coefs.even_imag, hor_num_3a * sizeof(short));
+	memcpy (ver_coefs_odd_real,  params->dvs2_coefs.ver_coefs.odd_real,  ver_num_3a * sizeof(short));
+	memcpy (ver_coefs_odd_imag,  params->dvs2_coefs.ver_coefs.odd_imag,  ver_num_3a * sizeof(short));
+	memcpy (ver_coefs_even_real, params->dvs2_coefs.ver_coefs.even_real, ver_num_3a * sizeof(short));
+	memcpy (ver_coefs_even_imag, params->dvs2_coefs.ver_coefs.even_imag, ver_num_3a * sizeof(short));
+
+	IA_CSS_LEAVE("void");
+}
+
+void ia_css_sdis2_clear_coefficients(
+	struct ia_css_dvs2_coefficients *dvs2_coefs)
+{
+	dvs2_coefs->hor_coefs.odd_real  = NULL;
+	dvs2_coefs->hor_coefs.odd_imag  = NULL;
+	dvs2_coefs->hor_coefs.even_real = NULL;
+	dvs2_coefs->hor_coefs.even_imag = NULL;
+	dvs2_coefs->ver_coefs.odd_real  = NULL;
+	dvs2_coefs->ver_coefs.odd_imag  = NULL;
+	dvs2_coefs->ver_coefs.even_real = NULL;
+	dvs2_coefs->ver_coefs.even_imag = NULL;
+}
+
+enum ia_css_err
+ia_css_get_dvs2_statistics(
+	struct ia_css_dvs2_statistics          *host_stats,
+	const struct ia_css_isp_dvs_statistics *isp_stats)
+{
+	struct ia_css_isp_dvs_statistics_map *map;
+	enum ia_css_err ret = IA_CSS_SUCCESS;
+
+	IA_CSS_ENTER("host_stats=%p, isp_stats=%p", host_stats, isp_stats);
+
+	assert(host_stats != NULL);
+	assert(isp_stats != NULL);
+
+	map = ia_css_isp_dvs_statistics_map_allocate(isp_stats, NULL);
+	if (map) {
+		mmgr_load(isp_stats->data_ptr, map->data_ptr, isp_stats->size);
+		ia_css_translate_dvs2_statistics(host_stats, map);
+		ia_css_isp_dvs_statistics_map_free(map);
+	} else {
+		IA_CSS_ERROR("out of memory");
+		ret = IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
+	}
+
+	IA_CSS_LEAVE_ERR(ret);
+	return ret;
+}
+
+void
+ia_css_translate_dvs2_statistics(
+	struct ia_css_dvs2_statistics		   *host_stats,
+	const struct ia_css_isp_dvs_statistics_map *isp_stats)
+{
+	unsigned int size_bytes, table_width, table_size, height;
+	unsigned int src_offset = 0, dst_offset = 0;
+	int32_t *htemp_ptr, *vtemp_ptr;
+
+	assert(host_stats != NULL);
+	assert(host_stats->hor_prod.odd_real  != NULL);
+	assert(host_stats->hor_prod.odd_imag  != NULL);
+	assert(host_stats->hor_prod.even_real != NULL);
+	assert(host_stats->hor_prod.even_imag != NULL);
+	assert(host_stats->ver_prod.odd_real  != NULL);
+	assert(host_stats->ver_prod.odd_imag  != NULL);
+	assert(host_stats->ver_prod.even_real != NULL);
+	assert(host_stats->ver_prod.even_imag != NULL);
+	assert(isp_stats != NULL);
+	assert(isp_stats->hor_proj != NULL);
+	assert(isp_stats->ver_proj != NULL);
+
+	IA_CSS_ENTER("hor_coefs.odd_real=%p, hor_coefs.odd_imag=%p, "
+		     "hor_coefs.even_real=%p, hor_coefs.even_imag=%p, "
+		     "ver_coefs.odd_real=%p, ver_coefs.odd_imag=%p, "
+		     "ver_coefs.even_real=%p, ver_coefs.even_imag=%p, "
+		     "haddr=%x, vaddr=%x",
+		host_stats->hor_prod.odd_real, host_stats->hor_prod.odd_imag,
+		host_stats->hor_prod.even_real, host_stats->hor_prod.even_imag,
+		host_stats->ver_prod.odd_real, host_stats->ver_prod.odd_imag,
+		host_stats->ver_prod.even_real, host_stats->ver_prod.even_imag,
+		isp_stats->hor_proj, isp_stats->ver_proj);
+
+	/* Host side: reflecting the true width in bytes */
+	size_bytes = host_stats->grid.aligned_width * sizeof(*htemp_ptr);
+
+	/* DDR side: need to be aligned to the system bus width */
+	/* statistics table width in terms of 32-bit words*/
+	table_width = CEIL_MUL(size_bytes, HIVE_ISP_DDR_WORD_BYTES) / sizeof(*htemp_ptr);
+	table_size = table_width * host_stats->grid.aligned_height;
+
+	htemp_ptr = isp_stats->hor_proj; /* horizontal stats */
+	vtemp_ptr = isp_stats->ver_proj; /* vertical stats */
+	for (height = 0; height < host_stats->grid.aligned_height; height++) {
+		/* hor stats */
+		memcpy(host_stats->hor_prod.odd_real + dst_offset,
+			&htemp_ptr[0*table_size+src_offset], size_bytes);
+		memcpy(host_stats->hor_prod.odd_imag + dst_offset,
+			&htemp_ptr[1*table_size+src_offset], size_bytes);
+		memcpy(host_stats->hor_prod.even_real + dst_offset,
+			&htemp_ptr[2*table_size+src_offset], size_bytes);
+		memcpy(host_stats->hor_prod.even_imag + dst_offset,
+			&htemp_ptr[3*table_size+src_offset], size_bytes);
+
+		/* ver stats */
+		memcpy(host_stats->ver_prod.odd_real + dst_offset,
+			&vtemp_ptr[0*table_size+src_offset], size_bytes);
+		memcpy(host_stats->ver_prod.odd_imag + dst_offset,
+			&vtemp_ptr[1*table_size+src_offset], size_bytes);
+		memcpy(host_stats->ver_prod.even_real + dst_offset,
+			&vtemp_ptr[2*table_size+src_offset], size_bytes);
+		memcpy(host_stats->ver_prod.even_imag + dst_offset,
+			&vtemp_ptr[3*table_size+src_offset], size_bytes);
+
+		src_offset += table_width; /* aligned table width */
+		dst_offset += host_stats->grid.aligned_width;
+	}
+
+	IA_CSS_LEAVE("void");
+}
+
+struct ia_css_isp_dvs_statistics *
+ia_css_isp_dvs2_statistics_allocate(
+	const struct ia_css_dvs_grid_info *grid)
+{
+	struct ia_css_isp_dvs_statistics *me;
+	int size;
+
+	assert(grid != NULL);
+
+	IA_CSS_ENTER("grid=%p", grid);
+
+	if (!grid->enable)
+		return NULL;
+
+	me = sh_css_calloc(1,sizeof(*me));
+	if (!me)
+		goto err;
+
+	/* on ISP 2 SDIS DMA model, every row of projection table width must be
+	   aligned to HIVE_ISP_DDR_WORD_BYTES
+	*/
+	size = CEIL_MUL(sizeof(int) * grid->aligned_width, HIVE_ISP_DDR_WORD_BYTES)
+		* grid->aligned_height * IA_CSS_DVS2_NUM_COEF_TYPES;
+
+	me->size = 2*size;
+	me->data_ptr = mmgr_malloc(me->size);
+	if (me->data_ptr == mmgr_NULL)
+		goto err;
+	me->hor_proj = me->data_ptr;
+	me->hor_size = size;
+	me->ver_proj = me->data_ptr + size;
+	me->ver_size = size;
+
+	IA_CSS_LEAVE("return=%p", me);
+	return me;
+err:
+	ia_css_isp_dvs2_statistics_free(me);
+	IA_CSS_LEAVE("return=%p", NULL);
+
+	return NULL;
+}
+
+void
+ia_css_isp_dvs2_statistics_free(struct ia_css_isp_dvs_statistics *me)
+{
+	if (me != NULL) {
+		hmm_free(me->data_ptr);
+		sh_css_free(me);
+	}
+}
+
+void ia_css_sdis2_horicoef_debug_dtrace(
+	const struct ia_css_dvs2_coefficients *config, unsigned level)
+{
+	(void)config;
+	(void)level;
+}
+
+void ia_css_sdis2_vertcoef_debug_dtrace(
+	const struct ia_css_dvs2_coefficients *config, unsigned level)
+{
+	(void)config;
+	(void)level;
+}
+
+void ia_css_sdis2_horiproj_debug_dtrace(
+	const struct ia_css_dvs2_coefficients *config, unsigned level)
+{
+	(void)config;
+	(void)level;
+}
+
+void ia_css_sdis2_vertproj_debug_dtrace(
+	const struct ia_css_dvs2_coefficients *config, unsigned level)
+{
+	(void)config;
+	(void)level;
+}