summaryrefslogtreecommitdiffstats
path: root/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/isys_init.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/isys_init.c')
-rw-r--r--drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/isys_init.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/isys_init.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/isys_init.c
new file mode 100644
index 0000000..239ef31
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isys/src/isys_init.c
@@ -0,0 +1,141 @@
+#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 "input_system.h"
+
+#ifdef HAS_INPUT_SYSTEM_VERSION_2
+#include "ia_css_isys.h"
+#include "platform_support.h"
+
+#ifdef USE_INPUT_SYSTEM_VERSION_2401
+#include "isys_dma.h" /* isys2401_dma_set_max_burst_size() */
+#include "isys_irq.h"
+#endif
+
+#if defined(USE_INPUT_SYSTEM_VERSION_2)
+input_system_error_t ia_css_isys_init(void)
+{
+ backend_channel_cfg_t backend_ch0;
+ backend_channel_cfg_t backend_ch1;
+ target_cfg2400_t targetB;
+ target_cfg2400_t targetC;
+ uint32_t acq_mem_region_size = 24;
+ uint32_t acq_nof_mem_regions = 2;
+ input_system_error_t error = INPUT_SYSTEM_ERR_NO_ERROR;
+
+ memset(&backend_ch0, 0, sizeof(backend_channel_cfg_t));
+ memset(&backend_ch1, 0, sizeof(backend_channel_cfg_t));
+ memset(&targetB, 0, sizeof(targetB));
+ memset(&targetC, 0, sizeof(targetC));
+
+ error = input_system_configuration_reset();
+ if (error != INPUT_SYSTEM_ERR_NO_ERROR)
+ return error;
+
+ error = input_system_csi_xmem_channel_cfg(
+ 0, /*ch_id */
+ INPUT_SYSTEM_PORT_A, /*port */
+ backend_ch0, /*backend_ch */
+ 32, /*mem_region_size */
+ 6, /*nof_mem_regions */
+ acq_mem_region_size, /*acq_mem_region_size */
+ acq_nof_mem_regions, /*acq_nof_mem_regions */
+ targetB, /*target */
+ 3); /*nof_xmem_buffers */
+ if (error != INPUT_SYSTEM_ERR_NO_ERROR)
+ return error;
+
+ error = input_system_csi_xmem_channel_cfg(
+ 1, /*ch_id */
+ INPUT_SYSTEM_PORT_B, /*port */
+ backend_ch0, /*backend_ch */
+ 16, /*mem_region_size */
+ 3, /*nof_mem_regions */
+ acq_mem_region_size, /*acq_mem_region_size */
+ acq_nof_mem_regions, /*acq_nof_mem_regions */
+ targetB, /*target */
+ 3); /*nof_xmem_buffers */
+ if (error != INPUT_SYSTEM_ERR_NO_ERROR)
+ return error;
+
+ error = input_system_csi_xmem_channel_cfg(
+ 2, /*ch_id */
+ INPUT_SYSTEM_PORT_C, /*port */
+ backend_ch1, /*backend_ch */
+ 32, /*mem_region_size */
+ 3, /*nof_mem_regions */
+ acq_mem_region_size, /*acq_mem_region_size */
+ acq_nof_mem_regions, /*acq_nof_mem_regions */
+ targetC, /*target */
+ 2); /*nof_xmem_buffers */
+ if (error != INPUT_SYSTEM_ERR_NO_ERROR)
+ return error;
+
+ error = input_system_configuration_commit();
+
+ return error;
+}
+#elif defined(USE_INPUT_SYSTEM_VERSION_2401)
+input_system_error_t ia_css_isys_init(void)
+{
+ input_system_error_t error = INPUT_SYSTEM_ERR_NO_ERROR;
+
+ ia_css_isys_csi_rx_lut_rmgr_init();
+ ia_css_isys_ibuf_rmgr_init();
+ ia_css_isys_dma_channel_rmgr_init();
+ ia_css_isys_stream2mmio_sid_rmgr_init();
+
+ isys2401_dma_set_max_burst_size(ISYS2401_DMA0_ID,
+ 1 /* Non Burst DMA transactions */);
+
+ /* Enable 2401 input system IRQ status for driver to retrieve */
+ isys_irqc_status_enable(ISYS_IRQ0_ID);
+ isys_irqc_status_enable(ISYS_IRQ1_ID);
+ isys_irqc_status_enable(ISYS_IRQ2_ID);
+
+ return error;
+}
+#endif
+
+#if defined(USE_INPUT_SYSTEM_VERSION_2)
+void ia_css_isys_uninit(void)
+{
+}
+#elif defined(USE_INPUT_SYSTEM_VERSION_2401)
+void ia_css_isys_uninit(void)
+{
+ ia_css_isys_csi_rx_lut_rmgr_uninit();
+ ia_css_isys_ibuf_rmgr_uninit();
+ ia_css_isys_dma_channel_rmgr_uninit();
+ ia_css_isys_stream2mmio_sid_rmgr_uninit();
+}
+#endif
+
+#endif
OpenPOWER on IntegriCloud