diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2400_system/hrt/gdc_v2_defs.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2400_system/hrt/gdc_v2_defs.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2400_system/hrt/gdc_v2_defs.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2400_system/hrt/gdc_v2_defs.h new file mode 100644 index 0000000..77722d2 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2400_system/hrt/gdc_v2_defs.h @@ -0,0 +1,170 @@ +/* + * 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. + */ + +#ifndef HRT_GDC_v2_defs_h_ +#define HRT_GDC_v2_defs_h_ + +#define HRT_GDC_IS_V2 + +#define HRT_GDC_N 1024 /* Top-level design constant, equal to the number of entries in the LUT */ +#define HRT_GDC_FRAC_BITS 10 /* Number of fractional bits in the GDC block, driven by the size of the LUT */ + +#define HRT_GDC_BLI_FRAC_BITS 4 /* Number of fractional bits for the bi-linear interpolation type */ +#define HRT_GDC_BLI_COEF_ONE (1 << HRT_GDC_BLI_FRAC_BITS) + +#define HRT_GDC_BCI_COEF_BITS 14 /* 14 bits per coefficient */ +#define HRT_GDC_BCI_COEF_ONE (1 << (HRT_GDC_BCI_COEF_BITS-2)) /* We represent signed 10 bit coefficients. */ + /* The supported range is [-256, .., +256] */ + /* in 14-bit signed notation, */ + /* We need all ten bits (MSB must be zero). */ + /* -s is inserted to solve this issue, and */ + /* therefore "1" is equal to +256. */ +#define HRT_GDC_BCI_COEF_MASK ((1 << HRT_GDC_BCI_COEF_BITS) - 1) + +#define HRT_GDC_LUT_BYTES (HRT_GDC_N*4*2) /* 1024 addresses, 4 coefficients per address, */ + /* 2 bytes per coefficient */ + +#define _HRT_GDC_REG_ALIGN 4 + + // 31 30 29 25 24 0 + // |-----|---|--------|------------------------| + // | CMD | C | Reg_ID | Value | + + + // There are just two commands possible for the GDC block: + // 1 - Configure reg + // 0 - Data token + + // C - Reserved bit + // Used in protocol to indicate whether it is C-run or other type of runs + // In case of C-run, this bit has a value of 1, for all the other runs, it is 0. + + // Reg_ID - Address of the register to be configured + + // Value - Value to store to the addressed register, maximum of 24 bits + + // Configure reg command is not followed by any other token. + // The address of the register and the data to be filled in is contained in the same token + + // When the first data token is received, it must be: + // 1. FRX and FRY (device configured in one of the scaling modes) ***DEFAULT MODE***, or, + // 2. P0'X (device configured in one of the tetragon modes) + // After the first data token is received, pre-defined number of tokens with the following meaning follow: + // 1. two tokens: SRC address ; DST address + // 2. nine tokens: P0'Y, .., P3'Y ; SRC address ; DST address + +#define HRT_GDC_CONFIG_CMD 1 +#define HRT_GDC_DATA_CMD 0 + + +#define HRT_GDC_CMD_POS 31 +#define HRT_GDC_CMD_BITS 1 +#define HRT_GDC_CRUN_POS 30 +#define HRT_GDC_REG_ID_POS 25 +#define HRT_GDC_REG_ID_BITS 5 +#define HRT_GDC_DATA_POS 0 +#define HRT_GDC_DATA_BITS 25 + +#define HRT_GDC_FRYIPXFRX_BITS 26 +#define HRT_GDC_P0X_BITS 23 + + +#define HRT_GDC_MAX_OXDIM (8192-64) +#define HRT_GDC_MAX_OYDIM 4095 +#define HRT_GDC_MAX_IXDIM (8192-64) +#define HRT_GDC_MAX_IYDIM 4095 +#define HRT_GDC_MAX_DS_FAC 16 +#define HRT_GDC_MAX_DX (HRT_GDC_MAX_DS_FAC*HRT_GDC_N - 1) +#define HRT_GDC_MAX_DY HRT_GDC_MAX_DX + + +/* GDC lookup tables entries are 10 bits values, but they're + stored 2 by 2 as 32 bit values, yielding 16 bits per entry. + A GDC lookup table contains 64 * 4 elements */ + +#define HRT_GDC_PERF_1_1_pix 0 +#define HRT_GDC_PERF_2_1_pix 1 +#define HRT_GDC_PERF_1_2_pix 2 +#define HRT_GDC_PERF_2_2_pix 3 + +#define HRT_GDC_NND_MODE 0 +#define HRT_GDC_BLI_MODE 1 +#define HRT_GDC_BCI_MODE 2 +#define HRT_GDC_LUT_MODE 3 + +#define HRT_GDC_SCAN_STB 0 +#define HRT_GDC_SCAN_STR 1 + +#define HRT_GDC_MODE_SCALING 0 +#define HRT_GDC_MODE_TETRAGON 1 + +#define HRT_GDC_LUT_COEFF_OFFSET 16 +#define HRT_GDC_FRY_BIT_OFFSET 16 +// FRYIPXFRX is the only register where we store two values in one field, +// to save one token in the scaling protocol. +// Like this, we have three tokens in the scaling protocol, +// Otherwise, we would have had four. +// The register bit-map is: +// 31 26 25 16 15 10 9 0 +// |------|----------|------|----------| +// | XXXX | FRY | IPX | FRX | + + +#define HRT_GDC_CE_FSM0_POS 0 +#define HRT_GDC_CE_FSM0_LEN 2 +#define HRT_GDC_CE_OPY_POS 2 +#define HRT_GDC_CE_OPY_LEN 14 +#define HRT_GDC_CE_OPX_POS 16 +#define HRT_GDC_CE_OPX_LEN 16 +// CHK_ENGINE register bit-map: +// 31 16 15 2 1 0 +// |----------------|-----------|----| +// | OPX | OPY |FSM0| +// However, for the time being at least, +// this implementation is meaningless in hss model, +// So, we just return 0 + + +#define HRT_GDC_CHK_ENGINE_IDX 0 +#define HRT_GDC_WOIX_IDX 1 +#define HRT_GDC_WOIY_IDX 2 +#define HRT_GDC_BPP_IDX 3 +#define HRT_GDC_FRYIPXFRX_IDX 4 +#define HRT_GDC_OXDIM_IDX 5 +#define HRT_GDC_OYDIM_IDX 6 +#define HRT_GDC_SRC_ADDR_IDX 7 +#define HRT_GDC_SRC_END_ADDR_IDX 8 +#define HRT_GDC_SRC_WRAP_ADDR_IDX 9 +#define HRT_GDC_SRC_STRIDE_IDX 10 +#define HRT_GDC_DST_ADDR_IDX 11 +#define HRT_GDC_DST_STRIDE_IDX 12 +#define HRT_GDC_DX_IDX 13 +#define HRT_GDC_DY_IDX 14 +#define HRT_GDC_P0X_IDX 15 +#define HRT_GDC_P0Y_IDX 16 +#define HRT_GDC_P1X_IDX 17 +#define HRT_GDC_P1Y_IDX 18 +#define HRT_GDC_P2X_IDX 19 +#define HRT_GDC_P2Y_IDX 20 +#define HRT_GDC_P3X_IDX 21 +#define HRT_GDC_P3Y_IDX 22 +#define HRT_GDC_PERF_POINT_IDX 23 // 1x1 ; 1x2 ; 2x1 ; 2x2 pixels per cc +#define HRT_GDC_INTERP_TYPE_IDX 24 // NND ; BLI ; BCI ; LUT +#define HRT_GDC_SCAN_IDX 25 // 0 = STB (Slide To Bottom) ; 1 = STR (Slide To Right) +#define HRT_GDC_PROC_MODE_IDX 26 // 0 = Scaling ; 1 = Tetragon + +#define HRT_GDC_LUT_IDX 32 + + +#endif /* HRT_GDC_v2_defs_h_ */ |
