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path: root/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/event/src/event.c
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Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/event/src/event.c')
-rw-r--r--drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/event/src/event.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/event/src/event.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/event/src/event.c
new file mode 100644
index 0000000..2698c3e
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/event/src/event.c
@@ -0,0 +1,126 @@
+#ifndef ISP2401
+/*
+ * 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.
+ */
+#else
+/**
+Support for Intel Camera Imaging ISP subsystem.
+Copyright (c) 2010 - 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.
+*/
+#endif
+
+#include "sh_css_sp.h"
+
+#include "dma.h" /* N_DMA_CHANNEL_ID */
+
+#include <type_support.h>
+#include "ia_css_binary.h"
+#include "sh_css_hrt.h"
+#include "sh_css_defs.h"
+#include "sh_css_internal.h"
+#include "ia_css_debug.h"
+#include "ia_css_debug_internal.h"
+#include "sh_css_legacy.h"
+
+#include "gdc_device.h" /* HRT_GDC_N */
+
+/*#include "sp.h"*/ /* host2sp_enqueue_frame_data() */
+
+#include "memory_access.h"
+
+#include "assert_support.h"
+#include "platform_support.h" /* hrt_sleep() */
+
+#include "ia_css_queue.h" /* host_sp_enqueue_XXX */
+#include "ia_css_event.h" /* ia_css_event_encode */
+/**
+ * @brief Encode the information into the software-event.
+ * Refer to "sw_event_public.h" for details.
+ */
+bool ia_css_event_encode(
+ uint8_t *in,
+ uint8_t nr,
+ uint32_t *out)
+{
+ bool ret;
+ uint32_t nr_of_bits;
+ uint32_t i;
+ assert(in != NULL);
+ assert(out != NULL);
+ OP___assert(nr > 0 && nr <= MAX_NR_OF_PAYLOADS_PER_SW_EVENT);
+
+ /* initialize the output */
+ *out = 0;
+
+ /* get the number of bits per information */
+ nr_of_bits = sizeof(uint32_t) * 8 / nr;
+
+ /* compress the all inputs into a signle output */
+ for (i = 0; i < nr; i++) {
+ *out <<= nr_of_bits;
+ *out |= in[i];
+ }
+
+ /* get the return value */
+ ret = (nr > 0 && nr <= MAX_NR_OF_PAYLOADS_PER_SW_EVENT);
+
+ return ret;
+}
+
+void ia_css_event_decode(
+ uint32_t event,
+ uint8_t *payload)
+{
+ assert(payload[1] == 0);
+ assert(payload[2] == 0);
+ assert(payload[3] == 0);
+
+ ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, "ia_css_event_decode() enter:\n");
+
+ /* First decode according to the common case
+ * In case of a PORT_EOF event we overwrite with
+ * the specific values
+ * This is somewhat ugly but probably somewhat efficient
+ * (and it avoids some code duplication)
+ */
+ payload[0] = event & 0xff; /*event_code */
+ payload[1] = (event >> 8) & 0xff;
+ payload[2] = (event >> 16) & 0xff;
+ payload[3] = 0;
+
+ switch (payload[0]) {
+ case SH_CSS_SP_EVENT_PORT_EOF:
+ payload[2] = 0;
+ payload[3] = (event >> 24) & 0xff;
+ break;
+
+ case SH_CSS_SP_EVENT_ACC_STAGE_COMPLETE:
+ case SH_CSS_SP_EVENT_TIMER:
+ case SH_CSS_SP_EVENT_FRAME_TAGGED:
+ case SH_CSS_SP_EVENT_FW_WARNING:
+ case SH_CSS_SP_EVENT_FW_ASSERT:
+ payload[3] = (event >> 24) & 0xff;
+ break;
+ default:
+ break;
+ }
+}
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