diff options
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.c | 141 |
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 |