diff options
Diffstat (limited to 'drivers/staging/media')
-rw-r--r-- | drivers/staging/media/davinci_vpfe/davinci_vpfe_user.h | 1290 | ||||
-rw-r--r-- | drivers/staging/media/davinci_vpfe/vpfe.h | 86 | ||||
-rw-r--r-- | drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c | 740 | ||||
-rw-r--r-- | drivers/staging/media/davinci_vpfe/vpfe_mc_capture.h | 97 |
4 files changed, 2213 insertions, 0 deletions
diff --git a/drivers/staging/media/davinci_vpfe/davinci_vpfe_user.h b/drivers/staging/media/davinci_vpfe/davinci_vpfe_user.h new file mode 100644 index 000000000000..7b7e7b26c1e8 --- /dev/null +++ b/drivers/staging/media/davinci_vpfe/davinci_vpfe_user.h @@ -0,0 +1,1290 @@ +/* + * Copyright (C) 2012 Texas Instruments Inc + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed in the hope that 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Contributors: + * Manjunath Hadli <manjunath.hadli@ti.com> + * Prabhakar Lad <prabhakar.lad@ti.com> + */ + +#ifndef _DAVINCI_VPFE_USER_H +#define _DAVINCI_VPFE_USER_H + +#include <linux/types.h> +#include <linux/videodev2.h> + +/* + * Private IOCTL + * + * VIDIOC_VPFE_ISIF_S_RAW_PARAMS: Set raw params in isif + * VIDIOC_VPFE_ISIF_G_RAW_PARAMS: Get raw params from isif + * VIDIOC_VPFE_PRV_S_CONFIG: Set ipipe engine configuration + * VIDIOC_VPFE_PRV_G_CONFIG: Get ipipe engine configuration + * VIDIOC_VPFE_RSZ_S_CONFIG: Set resizer engine configuration + * VIDIOC_VPFE_RSZ_G_CONFIG: Get resizer engine configuration + */ + +#define VIDIOC_VPFE_ISIF_S_RAW_PARAMS \ + _IOW('V', BASE_VIDIOC_PRIVATE + 1, struct vpfe_isif_raw_config) +#define VIDIOC_VPFE_ISIF_G_RAW_PARAMS \ + _IOR('V', BASE_VIDIOC_PRIVATE + 2, struct vpfe_isif_raw_config) +#define VIDIOC_VPFE_IPIPE_S_CONFIG \ + _IOWR('P', BASE_VIDIOC_PRIVATE + 3, struct vpfe_ipipe_config) +#define VIDIOC_VPFE_IPIPE_G_CONFIG \ + _IOWR('P', BASE_VIDIOC_PRIVATE + 4, struct vpfe_ipipe_config) +#define VIDIOC_VPFE_RSZ_S_CONFIG \ + _IOWR('R', BASE_VIDIOC_PRIVATE + 5, struct vpfe_rsz_config) +#define VIDIOC_VPFE_RSZ_G_CONFIG \ + _IOWR('R', BASE_VIDIOC_PRIVATE + 6, struct vpfe_rsz_config) + +/* + * Private Control's for ISIF + */ +#define VPFE_ISIF_CID_CRGAIN (V4L2_CID_USER_BASE | 0xa001) +#define VPFE_ISIF_CID_CGRGAIN (V4L2_CID_USER_BASE | 0xa002) +#define VPFE_ISIF_CID_CGBGAIN (V4L2_CID_USER_BASE | 0xa003) +#define VPFE_ISIF_CID_CBGAIN (V4L2_CID_USER_BASE | 0xa004) +#define VPFE_ISIF_CID_GAIN_OFFSET (V4L2_CID_USER_BASE | 0xa005) + +/* + * Private Control's for ISIF and IPIPEIF + */ +#define VPFE_CID_DPCM_PREDICTOR (V4L2_CID_USER_BASE | 0xa006) + +/************************************************************************ + * Vertical Defect Correction parameters + ***********************************************************************/ + +/** + * vertical defect correction methods + */ +enum vpfe_isif_vdfc_corr_mode { + /* Defect level subtraction. Just fed through if saturating */ + VPFE_ISIF_VDFC_NORMAL, + /** + * Defect level subtraction. Horizontal interpolation ((i-2)+(i+2))/2 + * if data saturating + */ + VPFE_ISIF_VDFC_HORZ_INTERPOL_IF_SAT, + /* Horizontal interpolation (((i-2)+(i+2))/2) */ + VPFE_ISIF_VDFC_HORZ_INTERPOL +}; + +/** + * Max Size of the Vertical Defect Correction table + */ +#define VPFE_ISIF_VDFC_TABLE_SIZE 8 + +/** + * Values used for shifting up the vdfc defect level + */ +enum vpfe_isif_vdfc_shift { + /* No Shift */ + VPFE_ISIF_VDFC_NO_SHIFT, + /* Shift by 1 bit */ + VPFE_ISIF_VDFC_SHIFT_1, + /* Shift by 2 bit */ + VPFE_ISIF_VDFC_SHIFT_2, + /* Shift by 3 bit */ + VPFE_ISIF_VDFC_SHIFT_3, + /* Shift by 4 bit */ + VPFE_ISIF_VDFC_SHIFT_4 +}; + +/** + * Defect Correction (DFC) table entry + */ +struct vpfe_isif_vdfc_entry { + /* vertical position of defect */ + unsigned short pos_vert; + /* horizontal position of defect */ + unsigned short pos_horz; + /** + * Defect level of Vertical line defect position. This is subtracted + * from the data at the defect position + */ + unsigned char level_at_pos; + /** + * Defect level of the pixels upper than the vertical line defect. + * This is subtracted from the data + */ + unsigned char level_up_pixels; + /** + * Defect level of the pixels lower than the vertical line defect. + * This is subtracted from the data + */ + unsigned char level_low_pixels; +}; + +/** + * Structure for Defect Correction (DFC) parameter + */ +struct vpfe_isif_dfc { + /* enable vertical defect correction */ + unsigned char en; + /* Correction methods */ + enum vpfe_isif_vdfc_corr_mode corr_mode; + /** + * 0 - whole line corrected, 1 - not + * pixels upper than the defect + */ + unsigned char corr_whole_line; + /** + * defect level shift value. level_at_pos, level_upper_pos, + * and level_lower_pos can be shifted up by this value + */ + enum vpfe_isif_vdfc_shift def_level_shift; + /* defect saturation level */ + unsigned short def_sat_level; + /* number of vertical defects. Max is VPFE_ISIF_VDFC_TABLE_SIZE */ + short num_vdefects; + /* VDFC table ptr */ + struct vpfe_isif_vdfc_entry table[VPFE_ISIF_VDFC_TABLE_SIZE]; +}; + +/************************************************************************ +* Digital/Black clamp or DC Subtract parameters +************************************************************************/ +/** + * Horizontal Black Clamp modes + */ +enum vpfe_isif_horz_bc_mode { + /** + * Horizontal clamp disabled. Only vertical clamp + * value is subtracted + */ + VPFE_ISIF_HORZ_BC_DISABLE, + /** + * Horizontal clamp value is calculated and subtracted + * from image data along with vertical clamp value + */ + VPFE_ISIF_HORZ_BC_CLAMP_CALC_ENABLED, + /** + * Horizontal clamp value calculated from previous image + * is subtracted from image data along with vertical clamp + * value. How the horizontal clamp value for the first image + * is calculated in this case ??? + */ + VPFE_ISIF_HORZ_BC_CLAMP_NOT_UPDATED +}; + +/** + * Base window selection for Horizontal Black Clamp calculations + */ +enum vpfe_isif_horz_bc_base_win_sel { + /* Select Most left window for bc calculation */ + VPFE_ISIF_SEL_MOST_LEFT_WIN, + + /* Select Most right window for bc calculation */ + VPFE_ISIF_SEL_MOST_RIGHT_WIN, +}; + +/* Size of window in horizontal direction for horizontal bc */ +enum vpfe_isif_horz_bc_sz_h { + VPFE_ISIF_HORZ_BC_SZ_H_2PIXELS, + VPFE_ISIF_HORZ_BC_SZ_H_4PIXELS, + VPFE_ISIF_HORZ_BC_SZ_H_8PIXELS, + VPFE_ISIF_HORZ_BC_SZ_H_16PIXELS +}; + +/* Size of window in vertcal direction for vertical bc */ +enum vpfe_isif_horz_bc_sz_v { + VPFE_ISIF_HORZ_BC_SZ_H_32PIXELS, + VPFE_ISIF_HORZ_BC_SZ_H_64PIXELS, + VPFE_ISIF_HORZ_BC_SZ_H_128PIXELS, + VPFE_ISIF_HORZ_BC_SZ_H_256PIXELS +}; + +/** + * Structure for Horizontal Black Clamp config params + */ +struct vpfe_isif_horz_bclamp { + /* horizontal clamp mode */ + enum vpfe_isif_horz_bc_mode mode; + /** + * pixel value limit enable. + * 0 - limit disabled + * 1 - pixel value limited to 1023 + */ + unsigned char clamp_pix_limit; + /** + * Select most left or right window for clamp val + * calculation + */ + enum vpfe_isif_horz_bc_base_win_sel base_win_sel_calc; + /* Window count per color for calculation. range 1-32 */ + unsigned char win_count_calc; + /* Window start position - horizontal for calculation. 0 - 8191 */ + unsigned short win_start_h_calc; + /* Window start position - vertical for calculation 0 - 8191 */ + unsigned short win_start_v_calc; + /* Width of the sample window in pixels for calculation */ + enum vpfe_isif_horz_bc_sz_h win_h_sz_calc; + /* Height of the sample window in pixels for calculation */ + enum vpfe_isif_horz_bc_sz_v win_v_sz_calc; +}; + +/** + * Black Clamp vertical reset values + */ +enum vpfe_isif_vert_bc_reset_val_sel { + /* Reset value used is the clamp value calculated */ + VPFE_ISIF_VERT_BC_USE_HORZ_CLAMP_VAL, + /* Reset value used is reset_clamp_val configured */ + VPFE_ISIF_VERT_BC_USE_CONFIG_CLAMP_VAL, + /* No update, previous image value is used */ + VPFE_ISIF_VERT_BC_NO_UPDATE +}; + +enum vpfe_isif_vert_bc_sz_h { + VPFE_ISIF_VERT_BC_SZ_H_2PIXELS, + VPFE_ISIF_VERT_BC_SZ_H_4PIXELS, + VPFE_ISIF_VERT_BC_SZ_H_8PIXELS, + VPFE_ISIF_VERT_BC_SZ_H_16PIXELS, + VPFE_ISIF_VERT_BC_SZ_H_32PIXELS, + VPFE_ISIF_VERT_BC_SZ_H_64PIXELS +}; + +/** + * Structure for Vertical Black Clamp configuration params + */ +struct vpfe_isif_vert_bclamp { + /* Reset value selection for vertical clamp calculation */ + enum vpfe_isif_vert_bc_reset_val_sel reset_val_sel; + /* U12 value if reset_sel = ISIF_BC_VERT_USE_CONFIG_CLAMP_VAL */ + unsigned short reset_clamp_val; + /** + * U8Q8. Line average coefficient used in vertical clamp + * calculation + */ + unsigned char line_ave_coef; + /* Width in pixels of the optical black region used for calculation. */ + enum vpfe_isif_vert_bc_sz_h ob_h_sz_calc; + /* Height of the optical black region for calculation */ + unsigned short ob_v_sz_calc; + /* Optical black region start position - horizontal. 0 - 8191 */ + unsigned short ob_start_h; + /* Optical black region start position - vertical 0 - 8191 */ + unsigned short ob_start_v; +}; + +/** + * Structure for Black Clamp configuration params + */ +struct vpfe_isif_black_clamp { + /** + * this offset value is added irrespective of the clamp + * enable status. S13 + */ + unsigned short dc_offset; + /** + * Enable black/digital clamp value to be subtracted + * from the image data + */ + unsigned char en; + /** + * black clamp mode. same/separate clamp for 4 colors + * 0 - disable - same clamp value for all colors + * 1 - clamp value calculated separately for all colors + */ + unsigned char bc_mode_color; + /* Vertical start position for bc subtraction */ + unsigned short vert_start_sub; + /* Black clamp for horizontal direction */ + struct vpfe_isif_horz_bclamp horz; + /* Black clamp for vertical direction */ + struct vpfe_isif_vert_bclamp vert; +}; + +/************************************************************************* +** Color Space Conversion (CSC) +*************************************************************************/ +/** + * Number of Coefficient values used for CSC + */ +#define VPFE_ISIF_CSC_NUM_COEFF 16 + +struct float_8_bit { + /* 8 bit integer part */ + __u8 integer; + /* 8 bit decimal part */ + __u8 decimal; +}; + +struct float_16_bit { + /* 16 bit integer part */ + __u16 integer; + /* 16 bit decimal part */ + __u16 decimal; +}; + +/************************************************************************* +** Color Space Conversion parameters +*************************************************************************/ +/** + * Structure used for CSC config params + */ +struct vpfe_isif_color_space_conv { + /* Enable color space conversion */ + unsigned char en; + /** + * csc coefficient table. S8Q5, M00 at index 0, M01 at index 1, and + * so forth + */ + struct float_8_bit coeff[VPFE_ISIF_CSC_NUM_COEFF]; +}; + +enum vpfe_isif_datasft { + /* No Shift */ + VPFE_ISIF_NO_SHIFT, + /* 1 bit Shift */ + VPFE_ISIF_1BIT_SHIFT, + /* 2 bit Shift */ + VPFE_ISIF_2BIT_SHIFT, + /* 3 bit Shift */ + VPFE_ISIF_3BIT_SHIFT, + /* 4 bit Shift */ + VPFE_ISIF_4BIT_SHIFT, + /* 5 bit Shift */ + VPFE_ISIF_5BIT_SHIFT, + /* 6 bit Shift */ + VPFE_ISIF_6BIT_SHIFT +}; + +#define VPFE_ISIF_LINEAR_TAB_SIZE 192 +/************************************************************************* +** Linearization parameters +*************************************************************************/ +/** + * Structure for Sensor data linearization + */ +struct vpfe_isif_linearize { + /* Enable or Disable linearization of data */ + unsigned char en; + /* Shift value applied */ + enum vpfe_isif_datasft corr_shft; + /* scale factor applied U11Q10 */ + struct float_16_bit scale_fact; + /* Size of the linear table */ + unsigned short table[VPFE_ISIF_LINEAR_TAB_SIZE]; +}; + +/************************************************************************* +** ISIF Raw configuration parameters +*************************************************************************/ +enum vpfe_isif_fmt_mode { + VPFE_ISIF_SPLIT, + VPFE_ISIF_COMBINE +}; + +enum vpfe_isif_lnum { + VPFE_ISIF_1LINE, + VPFE_ISIF_2LINES, + VPFE_ISIF_3LINES, + VPFE_ISIF_4LINES +}; + +enum vpfe_isif_line { + VPFE_ISIF_1STLINE, + VPFE_ISIF_2NDLINE, + VPFE_ISIF_3RDLINE, + VPFE_ISIF_4THLINE +}; + +struct vpfe_isif_fmtplen { + /** + * number of program entries for SET0, range 1 - 16 + * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is + * ISIF_COMBINE + */ + unsigned short plen0; + /** + * number of program entries for SET1, range 1 - 16 + * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is + * ISIF_COMBINE + */ + unsigned short plen1; + /** + * number of program entries for SET2, range 1 - 16 + * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is + * ISIF_COMBINE + */ + unsigned short plen2; + /** + * number of program entries for SET3, range 1 - 16 + * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is + * ISIF_COMBINE + */ + unsigned short plen3; +}; + +struct vpfe_isif_fmt_cfg { + /* Split or combine or line alternate */ + enum vpfe_isif_fmt_mode fmtmode; + /* enable or disable line alternating mode */ + unsigned char ln_alter_en; + /* Split/combine line number */ + enum vpfe_isif_lnum lnum; + /* Address increment Range 1 - 16 */ + unsigned int addrinc; +}; + +struct vpfe_isif_fmt_addr_ptr { + /* Initial address */ + unsigned int init_addr; + /* output line number */ + enum vpfe_isif_line out_line; +}; + +struct vpfe_isif_fmtpgm_ap { + /* program address pointer */ + unsigned char pgm_aptr; + /* program address increment or decrement */ + unsigned char pgmupdt; +}; + +struct vpfe_isif_data_formatter { + /* Enable/Disable data formatter */ + unsigned char en; + /* data formatter configuration */ + struct vpfe_isif_fmt_cfg cfg; + /* Formatter program entries length */ + struct vpfe_isif_fmtplen plen; + /* first pixel in a line fed to formatter */ + unsigned short fmtrlen; + /* HD interval for output line. Only valid when split line */ + unsigned short fmthcnt; + /* formatter address pointers */ + struct vpfe_isif_fmt_addr_ptr fmtaddr_ptr[16]; + /* program enable/disable */ + unsigned char pgm_en[32]; + /* program address pointers */ + struct vpfe_isif_fmtpgm_ap fmtpgm_ap[32]; +}; + +struct vpfe_isif_df_csc { + /* Color Space Conversion configuration, 0 - csc, 1 - df */ + unsigned int df_or_csc; + /* csc configuration valid if df_or_csc is 0 */ + struct vpfe_isif_color_space_conv csc; + /* data formatter configuration valid if df_or_csc is 1 */ + struct vpfe_isif_data_formatter df; + /* start pixel in a line at the input */ + unsigned int start_pix; + /* number of pixels in input line */ + unsigned int num_pixels; + /* start line at the input */ + unsigned int start_line; + /* number of lines at the input */ + unsigned int num_lines; +}; + +struct vpfe_isif_gain_offsets_adj { + /* Enable or Disable Gain adjustment for SDRAM data */ + unsigned char gain_sdram_en; + /* Enable or Disable Gain adjustment for IPIPE data */ + unsigned char gain_ipipe_en; + /* Enable or Disable Gain adjustment for H3A data */ + unsigned char gain_h3a_en; + /* Enable or Disable Gain adjustment for SDRAM data */ + unsigned char offset_sdram_en; + /* Enable or Disable Gain adjustment for IPIPE data */ + unsigned char offset_ipipe_en; + /* Enable or Disable Gain adjustment for H3A data */ + unsigned char offset_h3a_en; +}; + +struct vpfe_isif_cul { + /* Horizontal Cull pattern for odd lines */ + unsigned char hcpat_odd; + /* Horizontal Cull pattern for even lines */ + unsigned char hcpat_even; + /* Vertical Cull pattern */ + unsigned char vcpat; + /* Enable or disable lpf. Apply when cull is enabled */ + unsigned char en_lpf; +}; + +/* all the stuff in this struct will be provided by userland */ +struct vpfe_isif_raw_config { + /* Linearization parameters for image sensor data input */ + struct vpfe_isif_linearize linearize; + /* Data formatter or CSC */ + struct vpfe_isif_df_csc df_csc; + /* Defect Pixel Correction (DFC) confguration */ + struct vpfe_isif_dfc dfc; + /* Black/Digital Clamp configuration */ + struct vpfe_isif_black_clamp bclamp; + /* Gain, offset adjustments */ + struct vpfe_isif_gain_offsets_adj gain_offset; + /* Culling */ + struct vpfe_isif_cul culling; + /* horizontal offset for Gain/LSC/DFC */ + unsigned short horz_offset; + /* vertical offset for Gain/LSC/DFC */ + unsigned short vert_offset; +}; + +/********************************************************************** + IPIPE API Structures +**********************************************************************/ + +/* IPIPE module configurations */ + +/* IPIPE input configuration */ +#define VPFE_IPIPE_INPUT_CONFIG (1 << 0) +/* LUT based Defect Pixel Correction */ +#define VPFE_IPIPE_LUTDPC (1 << 1) +/* On the fly (OTF) Defect Pixel Correction */ +#define VPFE_IPIPE_OTFDPC (1 << 2) +/* Noise Filter - 1 */ +#define VPFE_IPIPE_NF1 (1 << 3) +/* Noise Filter - 2 */ +#define VPFE_IPIPE_NF2 (1 << 4) +/* White Balance. Also a control ID */ +#define VPFE_IPIPE_WB (1 << 5) +/* 1st RGB to RBG Blend module */ +#define VPFE_IPIPE_RGB2RGB_1 (1 << 6) +/* 2nd RGB to RBG Blend module */ +#define VPFE_IPIPE_RGB2RGB_2 (1 << 7) +/* Gamma Correction */ +#define VPFE_IPIPE_GAMMA (1 << 8) +/* 3D LUT color conversion */ +#define VPFE_IPIPE_3D_LUT (1 << 9) +/* RGB to YCbCr module */ +#define VPFE_IPIPE_RGB2YUV (1 << 10) +/* YUV 422 conversion module */ +#define VPFE_IPIPE_YUV422_CONV (1 << 11) +/* Edge Enhancement */ +#define VPFE_IPIPE_YEE (1 << 12) +/* Green Imbalance Correction */ +#define VPFE_IPIPE_GIC (1 << 13) +/* CFA Interpolation */ +#define VPFE_IPIPE_CFA (1 << 14) +/* Chroma Artifact Reduction */ +#define VPFE_IPIPE_CAR (1 << 15) +/* Chroma Gain Suppression */ +#define VPFE_IPIPE_CGS (1 << 16) +/* Global brightness and contrast control */ +#define VPFE_IPIPE_GBCE (1 << 17) + +#define VPFE_IPIPE_MAX_MODULES 18 + +struct ipipe_float_u16 { + unsigned short integer; + unsigned short decimal; +}; + +struct ipipe_float_s16 { + short integer; + unsigned short decimal; +}; + +struct ipipe_float_u8 { + unsigned char integer; + unsigned char decimal; +}; + +/* Copy method selection for vertical correction + * Used when ipipe_dfc_corr_meth is IPIPE_DPC_CTORB_AFTER_HINT + */ +enum vpfe_ipipe_dpc_corr_meth { + /* replace by black or white dot specified by repl_white */ + VPFE_IPIPE_DPC_REPL_BY_DOT = 0, + /* Copy from left */ + VPFE_IPIPE_DPC_CL = 1, + /* Copy from right */ + VPFE_IPIPE_DPC_CR = 2, + /* Horizontal interpolation */ + VPFE_IPIPE_DPC_H_INTP = 3, + /* Vertical interpolation */ + VPFE_IPIPE_DPC_V_INTP = 4, + /* Copy from top */ + VPFE_IPIPE_DPC_CT = 5, + /* Copy from bottom */ + VPFE_IPIPE_DPC_CB = 6, + /* 2D interpolation */ + VPFE_IPIPE_DPC_2D_INTP = 7, +}; + +struct vpfe_ipipe_lutdpc_entry { + /* Horizontal position */ + unsigned short horz_pos; + /* vertical position */ + unsigned short vert_pos; + enum vpfe_ipipe_dpc_corr_meth method; +}; + +#define VPFE_IPIPE_MAX_SIZE_DPC 256 + +/* Structure for configuring DPC module */ +struct vpfe_ipipe_lutdpc { + /* 0 - disable, 1 - enable */ + unsigned char en; + /* 0 - replace with black dot, 1 - white dot when correction + * method is IPIPE_DFC_REPL_BY_DOT=0, + */ + unsigned char repl_white; + /* number of entries in the correction table. Currently only + * support up-to 256 entries. infinite mode is not supported + */ + unsigned short dpc_size; + struct vpfe_ipipe_lutdpc_entry table[VPFE_IPIPE_MAX_SIZE_DPC]; +}; + +enum vpfe_ipipe_otfdpc_det_meth { + VPFE_IPIPE_DPC_OTF_MIN_MAX, + VPFE_IPIPE_DPC_OTF_MIN_MAX2 +}; + +struct vpfe_ipipe_otfdpc_thr { + unsigned short r; + unsigned short gr; + unsigned short gb; + unsigned short b; +}; + +enum vpfe_ipipe_otfdpc_alg { + VPFE_IPIPE_OTFDPC_2_0, + VPFE_IPIPE_OTFDPC_3_0 +}; + +struct vpfe_ipipe_otfdpc_2_0_cfg { + /* defect detection threshold for MIN_MAX2 method (DPC 2.0 alg) */ + struct vpfe_ipipe_otfdpc_thr det_thr; + /* defect correction threshold for MIN_MAX2 method (DPC 2.0 alg) or + * maximum value for MIN_MAX method + */ + struct vpfe_ipipe_otfdpc_thr corr_thr; +}; + +struct vpfe_ipipe_otfdpc_3_0_cfg { + /* DPC3.0 activity adj shf. activity = (max2-min2) >> (6 -shf) + */ + unsigned char act_adj_shf; + /* DPC3.0 detection threshold, THR */ + unsigned short det_thr; + /* DPC3.0 detection threshold slope, SLP */ + unsigned short det_slp; + /* DPC3.0 detection threshold min, MIN */ + unsigned short det_thr_min; + /* DPC3.0 detection threshold max, MAX */ + unsigned short det_thr_max; + /* DPC3.0 correction threshold, THR */ + unsigned short corr_thr; + /* DPC3.0 correction threshold slope, SLP */ + unsigned short corr_slp; + /* DPC3.0 correction threshold min, MIN */ + unsigned short corr_thr_min; + /* DPC3.0 correction threshold max, MAX */ + unsigned short corr_thr_max; +}; + +struct vpfe_ipipe_otfdpc { + /* 0 - disable, 1 - enable */ + unsigned char en; + /* defect detection method */ + enum vpfe_ipipe_otfdpc_det_meth det_method; + /* Algorithm used. Applicable only when IPIPE_DPC_OTF_MIN_MAX2 is + * used + */ + enum vpfe_ipipe_otfdpc_alg alg; + union { + /* if alg is IPIPE_OTFDPC_2_0 */ + struct vpfe_ipipe_otfdpc_2_0_cfg dpc_2_0; + /* if alg is IPIPE_OTFDPC_3_0 */ + struct vpfe_ipipe_otfdpc_3_0_cfg dpc_3_0; + } alg_cfg; +}; + +/* Threshold values table size */ +#define VPFE_IPIPE_NF_THR_TABLE_SIZE 8 +/* Intensity values table size */ +#define VPFE_IPIPE_NF_STR_TABLE_SIZE 8 + +/* NF, sampling method for green pixels */ +enum vpfe_ipipe_nf_sampl_meth { + /* Same as R or B */ + VPFE_IPIPE_NF_BOX, + /* Diamond mode */ + VPFE_IPIPE_NF_DIAMOND +}; + +/* Structure for configuring NF module */ +struct vpfe_ipipe_nf { + /* 0 - disable, 1 - enable */ + unsigned char en; + /* Sampling method for green pixels */ + enum vpfe_ipipe_nf_sampl_meth gr_sample_meth; + /* Down shift value in LUT reference address + */ + unsigned char shft_val; + /* Spread value in NF algorithm + */ + unsigned char spread_val; + /* Apply LSC gain to threshold. Enable this only if + * LSC is enabled in ISIF + */ + unsigned char apply_lsc_gain; + /* Threshold values table */ + unsigned short thr[VPFE_IPIPE_NF_THR_TABLE_SIZE]; + /* intensity values table */ + unsigned char str[VPFE_IPIPE_NF_STR_TABLE_SIZE]; + /* Edge detection minimum threshold */ + unsigned short edge_det_min_thr; + /* Edge detection maximum threshold */ + unsigned short edge_det_max_thr; +}; + +enum vpfe_ipipe_gic_alg { + VPFE_IPIPE_GIC_ALG_CONST_GAIN, + VPFE_IPIPE_GIC_ALG_ADAPT_GAIN +}; + +enum vpfe_ipipe_gic_thr_sel { + VPFE_IPIPE_GIC_THR_REG, + VPFE_IPIPE_GIC_THR_NF +}; + +enum vpfe_ipipe_gic_wt_fn_type { + /* Use difference as index */ + VPFE_IPIPE_GIC_WT_FN_TYP_DIF, + /* Use weight function as index */ + VPFE_IPIPE_GIC_WT_FN_TYP_HP_VAL +}; + +/* structure for Green Imbalance Correction */ +struct vpfe_ipipe_gic { + /* 0 - disable, 1 - enable */ + unsigned char en; + /* 0 - Constant gain , 1 - Adaptive gain algorithm */ + enum vpfe_ipipe_gic_alg gic_alg; + /* GIC gain or weight. Used for Constant gain and Adaptive algorithms + */ + unsigned short gain; + /* Threshold selection. GIC register values or NF2 thr table */ + enum vpfe_ipipe_gic_thr_sel thr_sel; + /* thr1. Used when thr_sel is IPIPE_GIC_THR_REG */ + unsigned short thr; + /* this value is used for thr2-thr1, thr3-thr2 or + * thr4-thr3 when wt_fn_type is index. Otherwise it + * is the + */ + unsigned short slope; + /* Apply LSC gain to threshold. Enable this only if + * LSC is enabled in ISIF & thr_sel is IPIPE_GIC_THR_REG + */ + unsigned char apply_lsc_gain; + /* Multiply Nf2 threshold by this gain. Use this when thr_sel + * is IPIPE_GIC_THR_NF + */ + struct ipipe_float_u8 nf2_thr_gain; + /* Weight function uses difference as index or high pass value. + * Used for adaptive gain algorithm + */ + enum vpfe_ipipe_gic_wt_fn_type wt_fn_type; +}; + +/* Structure for configuring WB module */ +struct vpfe_ipipe_wb { + /* Offset (S12) for R */ + short ofst_r; + /* Offset (S12) for Gr */ + short ofst_gr; + /* Offset (S12) for Gb */ + short ofst_gb; + /* Offset (S12) for B */ + short ofst_b; + /* Gain (U13Q9) for Red */ + struct ipipe_float_u16 gain_r; + /* Gain (U13Q9) for Gr */ + struct ipipe_float_u16 gain_gr; + /* Gain (U13Q9) for Gb */ + struct ipipe_float_u16 gain_gb; + /* Gain (U13Q9) for Blue */ + struct ipipe_float_u16 gain_b; +}; + +enum vpfe_ipipe_cfa_alg { + /* Algorithm is 2DirAC */ + VPFE_IPIPE_CFA_ALG_2DIRAC, + /* Algorithm is 2DirAC + Digital Antialiasing (DAA) */ + VPFE_IPIPE_CFA_ALG_2DIRAC_DAA, + /* Algorithm is DAA */ + VPFE_IPIPE_CFA_ALG_DAA +}; + +/* Structure for CFA Interpolation */ +struct vpfe_ipipe_cfa { + /* 2DirAC or 2DirAC + DAA */ + enum vpfe_ipipe_cfa_alg alg; + /* 2Dir CFA HP value Low Threshold */ + unsigned short hpf_thr_2dir; + /* 2Dir CFA HP value slope */ + unsigned short hpf_slp_2dir; + /* 2Dir CFA HP mix threshold */ + unsigned short hp_mix_thr_2dir; + /* 2Dir CFA HP mix slope */ + unsigned short hp_mix_slope_2dir; + /* 2Dir Direction threshold */ + unsigned short dir_thr_2dir; + /* 2Dir Direction slope */ + unsigned short dir_slope_2dir; + /* 2Dir Non Directional Weight */ + unsigned short nd_wt_2dir; + /* DAA Mono Hue Fraction */ + unsigned short hue_fract_daa; + /* DAA Mono Edge threshold */ + unsigned short edge_thr_daa; + /* DAA Mono threshold minimum */ + unsigned short thr_min_daa; + /* DAA Mono threshold slope */ + unsigned short thr_slope_daa; + /* DAA Mono slope minimum */ + unsigned short slope_min_daa; + /* DAA Mono slope slope */ + unsigned short slope_slope_daa; + /* DAA Mono LP wight */ + unsigned short lp_wt_daa; +}; + +/* Struct for configuring RGB2RGB blending module */ +struct vpfe_ipipe_rgb2rgb { + /* Matrix coefficient for RR S12Q8 for ID = 1 and S11Q8 for ID = 2 */ + struct ipipe_float_s16 coef_rr; + /* Matrix coefficient for GR S12Q8/S11Q8 */ + struct ipipe_float_s16 coef_gr; + /* Matrix coefficient for BR S12Q8/S11Q8 */ + struct ipipe_float_s16 coef_br; + /* Matrix coefficient for RG S12Q8/S11Q8 */ + struct ipipe_float_s16 coef_rg; + /* Matrix coefficient for GG S12Q8/S11Q8 */ + struct ipipe_float_s16 coef_gg; + /* Matrix coefficient for BG S12Q8/S11Q8 */ + struct ipipe_float_s16 coef_bg; + /* Matrix coefficient for RB S12Q8/S11Q8 */ + struct ipipe_float_s16 coef_rb; + /* Matrix coefficient for GB S12Q8/S11Q8 */ + struct ipipe_float_s16 coef_gb; + /* Matrix coefficient for BB S12Q8/S11Q8 */ + struct ipipe_float_s16 coef_bb; + /* Output offset for R S13/S11 */ + int out_ofst_r; + /* Output offset for G S13/S11 */ + int out_ofst_g; + /* Output offset for B S13/S11 */ + int out_ofst_b; +}; + +#define VPFE_IPIPE_MAX_SIZE_GAMMA 512 + +enum vpfe_ipipe_gamma_tbl_size { + VPFE_IPIPE_GAMMA_TBL_SZ_64 = 64, + VPFE_IPIPE_GAMMA_TBL_SZ_128 = 128, + VPFE_IPIPE_GAMMA_TBL_SZ_256 = 256, + VPFE_IPIPE_GAMMA_TBL_SZ_512 = 512, +}; + +enum vpfe_ipipe_gamma_tbl_sel { + VPFE_IPIPE_GAMMA_TBL_RAM = 0, + VPFE_IPIPE_GAMMA_TBL_ROM = 1, +}; + +struct vpfe_ipipe_gamma_entry { + /* 10 bit slope */ + short slope; + /* 10 bit offset */ + unsigned short offset; +}; + +/* Structure for configuring Gamma correction module */ +struct vpfe_ipipe_gamma { + /* 0 - Enable Gamma correction for Red + * 1 - bypass Gamma correction. Data is divided by 16 + */ + unsigned char bypass_r; + /* 0 - Enable Gamma correction for Blue + * 1 - bypass Gamma correction. Data is divided by 16 + */ + unsigned char bypass_b; + /* 0 - Enable Gamma correction for Green + * 1 - bypass Gamma correction. Data is divided by 16 + */ + unsigned char bypass_g; + /* IPIPE_GAMMA_TBL_RAM or IPIPE_GAMMA_TBL_ROM */ + enum vpfe_ipipe_gamma_tbl_sel tbl_sel; + /* Table size for RAM gamma table. + */ + enum vpfe_ipipe_gamma_tbl_size tbl_size; + /* R table */ + struct vpfe_ipipe_gamma_entry table_r[VPFE_IPIPE_MAX_SIZE_GAMMA]; + /* Blue table */ + struct vpfe_ipipe_gamma_entry table_b[VPFE_IPIPE_MAX_SIZE_GAMMA]; + /* Green table */ + struct vpfe_ipipe_gamma_entry table_g[VPFE_IPIPE_MAX_SIZE_GAMMA]; +}; + +#define VPFE_IPIPE_MAX_SIZE_3D_LUT 729 + +struct vpfe_ipipe_3d_lut_entry { + /* 10 bit entry for red */ + unsigned short r; + /* 10 bit entry for green */ + unsigned short g; + /* 10 bit entry for blue */ + unsigned short b; +}; + +/* structure for 3D-LUT */ +struct vpfe_ipipe_3d_lut { + /* enable/disable 3D lut */ + unsigned char en; + /* 3D - LUT table entry */ + struct vpfe_ipipe_3d_lut_entry table[VPFE_IPIPE_MAX_SIZE_3D_LUT]; +}; + +/* Struct for configuring rgb2ycbcr module */ +struct vpfe_ipipe_rgb2yuv { + /* Matrix coefficient for RY S12Q8 */ + struct ipipe_float_s16 coef_ry; + /* Matrix coefficient for GY S12Q8 */ + struct ipipe_float_s16 coef_gy; + /* Matrix coefficient for BY S12Q8 */ + struct ipipe_float_s16 coef_by; + /* Matrix coefficient for RCb S12Q8 */ + struct ipipe_float_s16 coef_rcb; + /* Matrix coefficient for GCb S12Q8 */ + struct ipipe_float_s16 coef_gcb; + /* Matrix coefficient for BCb S12Q8 */ + struct ipipe_float_s16 coef_bcb; + /* Matrix coefficient for RCr S12Q8 */ + struct ipipe_float_s16 coef_rcr; + /* Matrix coefficient for GCr S12Q8 */ + struct ipipe_float_s16 coef_gcr; + /* Matrix coefficient for BCr S12Q8 */ + struct ipipe_float_s16 coef_bcr; + /* Output offset for R S11 */ + int out_ofst_y; + /* Output offset for Cb S11 */ + int out_ofst_cb; + /* Output offset for Cr S11 */ + int out_ofst_cr; +}; + +enum vpfe_ipipe_gbce_type { + VPFE_IPIPE_GBCE_Y_VAL_TBL = 0, + VPFE_IPIPE_GBCE_GAIN_TBL = 1, +}; + +#define VPFE_IPIPE_MAX_SIZE_GBCE_LUT 1024 + +/* structure for Global brightness and Contrast */ +struct vpfe_ipipe_gbce { + /* enable/disable GBCE */ + unsigned char en; + /* Y - value table or Gain table */ + enum vpfe_ipipe_gbce_type type; + /* ptr to LUT for GBCE with 1024 entries */ + unsigned short table[VPFE_IPIPE_MAX_SIZE_GBCE_LUT]; +}; + +/* Chrominance position. Applicable only for YCbCr input + * Applied after edge enhancement + */ +enum vpfe_chr_pos { + /* Co-siting, same position with luminance */ + VPFE_IPIPE_YUV422_CHR_POS_COSITE = 0, + /* Centering, In the middle of luminance */ + VPFE_IPIPE_YUV422_CHR_POS_CENTRE = 1, +}; + +/* Structure for configuring yuv422 conversion module */ +struct vpfe_ipipe_yuv422_conv { + /* Max Chrominance value */ + unsigned char en_chrom_lpf; + /* 1 - enable LPF for chrminance, 0 - disable */ + enum vpfe_chr_pos chrom_pos; +}; + +#define VPFE_IPIPE_MAX_SIZE_YEE_LUT 1024 + +enum vpfe_ipipe_yee_merge_meth { + VPFE_IPIPE_YEE_ABS_MAX = 0, + VPFE_IPIPE_YEE_EE_ES = 1, +}; + +/* Structure for configuring YUV Edge Enhancement module */ +struct vpfe_ipipe_yee { + /* 1 - enable enhancement, 0 - disable */ + unsigned char en; + /* enable/disable halo reduction in edge sharpner */ + unsigned char en_halo_red; + /* Merge method between Edge Enhancer and Edge sharpner */ + enum vpfe_ipipe_yee_merge_meth merge_meth; + /* HPF Shift length */ + unsigned char hpf_shft; + /* HPF Coefficient 00, S10 */ + short hpf_coef_00; + /* HPF Coefficient 01, S10 */ + short hpf_coef_01; + /* HPF Coefficient 02, S10 */ + short hpf_coef_02; + /* HPF Coefficient 10, S10 */ + short hpf_coef_10; + /* HPF Coefficient 11, S10 */ + short hpf_coef_11; + /* HPF Coefficient 12, S10 */ + short hpf_coef_12; + /* HPF Coefficient 20, S10 */ + short hpf_coef_20; + /* HPF Coefficient 21, S10 */ + short hpf_coef_21; + /* HPF Coefficient 22, S10 */ + short hpf_coef_22; + /* Lower threshold before referring to LUT */ + unsigned short yee_thr; + /* Edge sharpener Gain */ + unsigned short es_gain; + /* Edge sharpener lower threshold */ + unsigned short es_thr1; + /* Edge sharpener upper threshold */ + unsigned short es_thr2; + /* Edge sharpener gain on gradient */ + unsigned short es_gain_grad; + /* Edge sharpener offset on gradient */ + unsigned short es_ofst_grad; + /* Ptr to EE table. Must have 1024 entries */ + short table[VPFE_IPIPE_MAX_SIZE_YEE_LUT]; +}; + +enum vpfe_ipipe_car_meth { + /* Chromatic Gain Control */ + VPFE_IPIPE_CAR_CHR_GAIN_CTRL = 0, + /* Dynamic switching between CHR_GAIN_CTRL + * and MED_FLTR + */ + VPFE_IPIPE_CAR_DYN_SWITCH = 1, + /* Median Filter */ + VPFE_IPIPE_CAR_MED_FLTR = 2, +}; + +enum vpfe_ipipe_car_hpf_type { + VPFE_IPIPE_CAR_HPF_Y = 0, + VPFE_IPIPE_CAR_HPF_H = 1, + VPFE_IPIPE_CAR_HPF_V = 2, + VPFE_IPIPE_CAR_HPF_2D = 3, + /* 2D HPF from YUV Edge Enhancement */ + VPFE_IPIPE_CAR_HPF_2D_YEE = 4, +}; + +struct vpfe_ipipe_car_gain { + /* csup_gain */ + unsigned char gain; + /* csup_shf. */ + unsigned char shft; + /* gain minimum */ + unsigned short gain_min; +}; + +/* Structure for Chromatic Artifact Reduction */ +struct vpfe_ipipe_car { + /* enable/disable */ + unsigned char en; + /* Gain control or Dynamic switching */ + enum vpfe_ipipe_car_meth meth; + /* Gain1 function configuration for Gain control */ + struct vpfe_ipipe_car_gain gain1; + /* Gain2 function configuration for Gain control */ + struct vpfe_ipipe_car_gain gain2; + /* HPF type used for CAR */ + enum vpfe_ipipe_car_hpf_type hpf; + /* csup_thr: HPF threshold for Gain control */ + unsigned char hpf_thr; + /* Down shift value for hpf. 2 bits */ + unsigned char hpf_shft; + /* switch limit for median filter */ + unsigned char sw0; + /* switch coefficient for Gain control */ + unsigned char sw1; +}; + +/* structure for Chromatic Gain Suppression */ +struct vpfe_ipipe_cgs { + /* enable/disable */ + unsigned char en; + /* gain1 bright side threshold */ + unsigned char h_thr; + /* gain1 bright side slope */ + unsigned char h_slope; + /* gain1 down shift value for bright side */ + unsigned char h_shft; + /* gain1 bright side minimum gain */ + unsigned char h_min; +}; + +/* Max pixels allowed in the input. If above this either decimation + * or frame division mode to be enabled + */ +#define VPFE_IPIPE_MAX_INPUT_WIDTH 2600 + +struct vpfe_ipipe_input_config { + unsigned int vst; + unsigned int hst; +}; + +/** + * struct vpfe_ipipe_config - IPIPE engine configuration (user) + * @input_config: Pointer to structure for ipipe configuration. + * @flag: Specifies which ISP IPIPE functions should be enabled. + * @lutdpc: Pointer to luma enhancement structure. + * @otfdpc: Pointer to structure for defect correction. + * @nf1: Pointer to structure for Noise Filter. + * @nf2: Pointer to structure for Noise Filter. + * @gic: Pointer to structure for Green Imbalance. + * @wbal: Pointer to structure for White Balance. + * @cfa: Pointer to structure containing the CFA interpolation. + * @rgb2rgb1: Pointer to structure for RGB to RGB Blending. + * @rgb2rgb2: Pointer to structure for RGB to RGB Blending. + * @gamma: Pointer to gamma structure. + * @lut: Pointer to structure for 3D LUT. + * @rgb2yuv: Pointer to structure for RGB-YCbCr conversion. + * @gbce: Pointer to structure for Global Brightness,Contrast Control. + * @yuv422_conv: Pointer to structure for YUV 422 conversion. + * @yee: Pointer to structure for Edge Enhancer. + * @car: Pointer to structure for Chromatic Artifact Reduction. + * @cgs: Pointer to structure for Chromatic Gain Suppression. + */ +struct vpfe_ipipe_config { + __u32 flag; + struct vpfe_ipipe_input_config __user *input_config; + struct vpfe_ipipe_lutdpc __user *lutdpc; + struct vpfe_ipipe_otfdpc __user *otfdpc; + struct vpfe_ipipe_nf __user *nf1; + struct vpfe_ipipe_nf __user *nf2; + struct vpfe_ipipe_gic __user *gic; + struct vpfe_ipipe_wb __user *wbal; + struct vpfe_ipipe_cfa __user *cfa; + struct vpfe_ipipe_rgb2rgb __user *rgb2rgb1; + struct vpfe_ipipe_rgb2rgb __user *rgb2rgb2; + struct vpfe_ipipe_gamma __user *gamma; + struct vpfe_ipipe_3d_lut __user *lut; + struct vpfe_ipipe_rgb2yuv __user *rgb2yuv; + struct vpfe_ipipe_gbce __user *gbce; + struct vpfe_ipipe_yuv422_conv __user *yuv422_conv; + struct vpfe_ipipe_yee __user *yee; + struct vpfe_ipipe_car __user *car; + struct vpfe_ipipe_cgs __user *cgs; +}; + +/******************************************************************* +** Resizer API structures +*******************************************************************/ +/* Interpolation types used for horizontal rescale */ +enum vpfe_rsz_intp_t { + VPFE_RSZ_INTP_CUBIC, + VPFE_RSZ_INTP_LINEAR +}; + +/* Horizontal LPF intensity selection */ +enum vpfe_rsz_h_lpf_lse_t { + VPFE_RSZ_H_LPF_LSE_INTERN, + VPFE_RSZ_H_LPF_LSE_USER_VAL +}; + +enum vpfe_rsz_down_scale_ave_sz { + VPFE_IPIPE_DWN_SCALE_1_OVER_2, + VPFE_IPIPE_DWN_SCALE_1_OVER_4, + VPFE_IPIPE_DWN_SCALE_1_OVER_8, + VPFE_IPIPE_DWN_SCALE_1_OVER_16, + VPFE_IPIPE_DWN_SCALE_1_OVER_32, + VPFE_IPIPE_DWN_SCALE_1_OVER_64, + VPFE_IPIPE_DWN_SCALE_1_OVER_128, + VPFE_IPIPE_DWN_SCALE_1_OVER_256 +}; + +struct vpfe_rsz_output_spec { + /* enable horizontal flip */ + unsigned char h_flip; + /* enable vertical flip */ + unsigned char v_flip; + /* line start offset for y. */ + unsigned int vst_y; + /* line start offset for c. Only for 420 */ + unsigned int vst_c; + /* vertical rescale interpolation type, YCbCr or Luminance */ + enum vpfe_rsz_intp_t v_typ_y; + /* vertical rescale interpolation type for Chrominance */ + enum vpfe_rsz_intp_t v_typ_c; + /* vertical lpf intensity - Luminance */ + unsigned char v_lpf_int_y; + /* vertical lpf intensity - Chrominance */ + unsigned char v_lpf_int_c; + /* horizontal rescale interpolation types, YCbCr or Luminance */ + enum vpfe_rsz_intp_t h_typ_y; + /* horizontal rescale interpolation types, Chrominance */ + enum vpfe_rsz_intp_t h_typ_c; + /* horizontal lpf intensity - Luminance */ + unsigned char h_lpf_int_y; + /* horizontal lpf intensity - Chrominance */ + unsigned char h_lpf_int_c; + /* Use down scale mode for scale down */ + unsigned char en_down_scale; + /* if downscale, set the downscale more average size for horizontal + * direction. Used only if output width and height is less than + * input sizes + */ + enum vpfe_rsz_down_scale_ave_sz h_dscale_ave_sz; + /* if downscale, set the downscale more average size for vertical + * direction. Used only if output width and height is less than + * input sizes + */ + enum vpfe_rsz_down_scale_ave_sz v_dscale_ave_sz; + /* Y offset. If set, the offset would be added to the base address + */ + unsigned int user_y_ofst; + /* C offset. If set, the offset would be added to the base address + */ + unsigned int user_c_ofst; +}; + +struct vpfe_rsz_config_params { + unsigned int vst; + /* horizontal start position of the image + * data to IPIPE + */ + unsigned int hst; + /* output spec of the image data coming out of resizer - 0(UYVY). + */ + struct vpfe_rsz_output_spec output1; + /* output spec of the image data coming out of resizer - 1(UYVY). + */ + struct vpfe_rsz_output_spec output2; + /* 0 , chroma sample at odd pixel, 1 - even pixel */ + unsigned char chroma_sample_even; + unsigned char frame_div_mode_en; + unsigned char yuv_y_min; + unsigned char yuv_y_max; + unsigned char yuv_c_min; + unsigned char yuv_c_max; + enum vpfe_chr_pos out_chr_pos; + unsigned char bypass; +}; + +/* Structure for VIDIOC_VPFE_RSZ_[S/G]_CONFIG IOCTLs */ +struct vpfe_rsz_config { + struct vpfe_rsz_config_params *config; +}; + +#endif /* _DAVINCI_VPFE_USER_H */ diff --git a/drivers/staging/media/davinci_vpfe/vpfe.h b/drivers/staging/media/davinci_vpfe/vpfe.h new file mode 100644 index 000000000000..0587bc52a840 --- /dev/null +++ b/drivers/staging/media/davinci_vpfe/vpfe.h @@ -0,0 +1,86 @@ +/* + * Copyright (C) 2012 Texas Instruments Inc + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed in the hope that 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Contributors: + * Manjunath Hadli <manjunath.hadli@ti.com> + * Prabhakar Lad <prabhakar.lad@ti.com> + */ + +#ifndef _VPFE_H +#define _VPFE_H + +#ifdef __KERNEL__ +#include <linux/v4l2-subdev.h> +#include <linux/clk.h> +#include <linux/i2c.h> + +#include <media/davinci/vpfe_types.h> + +#define CAPTURE_DRV_NAME "vpfe-capture" + +struct vpfe_route { + __u32 input; + __u32 output; +}; + +enum vpfe_subdev_id { + VPFE_SUBDEV_TVP5146 = 1, + VPFE_SUBDEV_MT9T031 = 2, + VPFE_SUBDEV_TVP7002 = 3, + VPFE_SUBDEV_MT9P031 = 4, +}; + +struct vpfe_ext_subdev_info { + /* v4l2 subdev */ + struct v4l2_subdev *subdev; + /* Sub device module name */ + char module_name[32]; + /* Sub device group id */ + int grp_id; + /* Number of inputs supported */ + int num_inputs; + /* inputs available at the sub device */ + struct v4l2_input *inputs; + /* Sub dev routing information for each input */ + struct vpfe_route *routes; + /* ccdc bus/interface configuration */ + struct vpfe_hw_if_param ccdc_if_params; + /* i2c subdevice board info */ + struct i2c_board_info board_info; + /* Is this a camera sub device ? */ + unsigned is_camera:1; + /* check if sub dev supports routing */ + unsigned can_route:1; + /* registered ? */ + unsigned registered:1; +}; + +struct vpfe_config { + /* Number of sub devices connected to vpfe */ + int num_subdevs; + /* information about each subdev */ + struct vpfe_ext_subdev_info *sub_devs; + /* evm card info */ + char *card_name; + /* setup function for the input path */ + int (*setup_input)(enum vpfe_subdev_id id); + /* number of clocks */ + int num_clocks; + /* clocks used for vpfe capture */ + char *clocks[]; +}; +#endif +#endif diff --git a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c new file mode 100644 index 000000000000..7b351717bcbb --- /dev/null +++ b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c @@ -0,0 +1,740 @@ +/* + * Copyright (C) 2012 Texas Instruments Inc + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed in the hope that 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Contributors: + * Manjunath Hadli <manjunath.hadli@ti.com> + * Prabhakar Lad <prabhakar.lad@ti.com> + * + * + * Driver name : VPFE Capture driver + * VPFE Capture driver allows applications to capture and stream video + * frames on DaVinci SoCs (DM6446, DM355 etc) from a YUV source such as + * TVP5146 or Raw Bayer RGB image data from an image sensor + * such as Microns' MT9T001, MT9T031 etc. + * + * These SoCs have, in common, a Video Processing Subsystem (VPSS) that + * consists of a Video Processing Front End (VPFE) for capturing + * video/raw image data and Video Processing Back End (VPBE) for displaying + * YUV data through an in-built analog encoder or Digital LCD port. This + * driver is for capture through VPFE. A typical EVM using these SoCs have + * following high level configuration. + * + * decoder(TVP5146/ YUV/ + * MT9T001) --> Raw Bayer RGB ---> MUX -> VPFE (CCDC/ISIF) + * data input | | + * V | + * SDRAM | + * V + * Image Processor + * | + * V + * SDRAM + * The data flow happens from a decoder connected to the VPFE over a + * YUV embedded (BT.656/BT.1120) or separate sync or raw bayer rgb interface + * and to the input of VPFE through an optional MUX (if more inputs are + * to be interfaced on the EVM). The input data is first passed through + * CCDC (CCD Controller, a.k.a Image Sensor Interface, ISIF). The CCDC + * does very little or no processing on YUV data and does pre-process Raw + * Bayer RGB data through modules such as Defect Pixel Correction (DFC) + * Color Space Conversion (CSC), data gain/offset etc. After this, data + * can be written to SDRAM or can be connected to the image processing + * block such as IPIPE (on DM355/DM365 only). + * + * Features supported + * - MMAP IO + * - USERPTR IO + * - Capture using TVP5146 over BT.656 + * - Support for interfacing decoders using sub device model + * - Work with DM365 or DM355 or DM6446 CCDC to do Raw Bayer + * RGB/YUV data capture to SDRAM. + * - Chaining of Image Processor + * - SINGLE-SHOT mode + */ + +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/slab.h> + +#include "vpfe.h" +#include "vpfe_mc_capture.h" + +static bool debug; +static bool interface; + +module_param(interface, bool, S_IRUGO); +module_param(debug, bool, 0644); + +/** + * VPFE capture can be used for capturing video such as from TVP5146 or TVP7002 + * and for capture raw bayer data from camera sensors such as mt9p031. At this + * point there is problem in co-existence of mt9p031 and tvp5146 due to i2c + * address collision. So set the variable below from bootargs to do either video + * capture or camera capture. + * interface = 0 - video capture (from TVP514x or such), + * interface = 1 - Camera capture (from mt9p031 or such) + * Re-visit this when we fix the co-existence issue + */ +MODULE_PARM_DESC(interface, "interface 0-1 (default:0)"); +MODULE_PARM_DESC(debug, "Debug level 0-1"); + +MODULE_DESCRIPTION("VPFE Video for Linux Capture Driver"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Texas Instruments"); + +/* map mbus_fmt to pixelformat */ +void mbus_to_pix(const struct v4l2_mbus_framefmt *mbus, + struct v4l2_pix_format *pix) +{ + switch (mbus->code) { + case V4L2_MBUS_FMT_UYVY8_2X8: + pix->pixelformat = V4L2_PIX_FMT_UYVY; + pix->bytesperline = pix->width * 2; + break; + + case V4L2_MBUS_FMT_YUYV8_2X8: + pix->pixelformat = V4L2_PIX_FMT_YUYV; + pix->bytesperline = pix->width * 2; + break; + + case V4L2_MBUS_FMT_YUYV10_1X20: + pix->pixelformat = V4L2_PIX_FMT_UYVY; + pix->bytesperline = pix->width * 2; + break; + + case V4L2_MBUS_FMT_SGRBG12_1X12: + pix->pixelformat = V4L2_PIX_FMT_SBGGR16; + pix->bytesperline = pix->width * 2; + break; + + case V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8: + pix->pixelformat = V4L2_PIX_FMT_SGRBG10DPCM8; + pix->bytesperline = pix->width; + break; + + case V4L2_MBUS_FMT_SGRBG10_ALAW8_1X8: + pix->pixelformat = V4L2_PIX_FMT_SGRBG10ALAW8; + pix->bytesperline = pix->width; + break; + + case V4L2_MBUS_FMT_YDYUYDYV8_1X16: + pix->pixelformat = V4L2_PIX_FMT_NV12; + pix->bytesperline = pix->width; + break; + + case V4L2_MBUS_FMT_Y8_1X8: + pix->pixelformat = V4L2_PIX_FMT_GREY; + pix->bytesperline = pix->width; + break; + + case V4L2_MBUS_FMT_UV8_1X8: + pix->pixelformat = V4L2_PIX_FMT_UV8; + pix->bytesperline = pix->width; + break; + + default: + pr_err("Invalid mbus code set\n"); + } + /* pitch should be 32 bytes aligned */ + pix->bytesperline = ALIGN(pix->bytesperline, 32); + if (pix->pixelformat == V4L2_PIX_FMT_NV12) + pix->sizeimage = pix->bytesperline * pix->height + + ((pix->bytesperline * pix->height) >> 1); + else + pix->sizeimage = pix->bytesperline * pix->height; +} + +/* ISR for VINT0*/ +static irqreturn_t vpfe_isr(int irq, void *dev_id) +{ + struct vpfe_device *vpfe_dev = dev_id; + + v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_isr\n"); + vpfe_isif_buffer_isr(&vpfe_dev->vpfe_isif); + vpfe_resizer_buffer_isr(&vpfe_dev->vpfe_resizer); + return IRQ_HANDLED; +} + +/* vpfe_vdint1_isr() - isr handler for VINT1 interrupt */ +static irqreturn_t vpfe_vdint1_isr(int irq, void *dev_id) +{ + struct vpfe_device *vpfe_dev = dev_id; + + v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_vdint1_isr\n"); + vpfe_isif_vidint1_isr(&vpfe_dev->vpfe_isif); + return IRQ_HANDLED; +} + +/* vpfe_imp_dma_isr() - ISR for ipipe dma completion */ +static irqreturn_t vpfe_imp_dma_isr(int irq, void *dev_id) +{ + struct vpfe_device *vpfe_dev = dev_id; + + v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_imp_dma_isr\n"); + vpfe_ipipeif_ss_buffer_isr(&vpfe_dev->vpfe_ipipeif); + vpfe_resizer_dma_isr(&vpfe_dev->vpfe_resizer); + return IRQ_HANDLED; +} + +/* + * vpfe_disable_clock() - Disable clocks for vpfe capture driver + * @vpfe_dev - ptr to vpfe capture device + * + * Disables clocks defined in vpfe configuration. The function + * assumes that at least one clock is to be defined which is + * true as of now. + */ +static void vpfe_disable_clock(struct vpfe_device *vpfe_dev) +{ + struct vpfe_config *vpfe_cfg = vpfe_dev->cfg; + int i; + + for (i = 0; i < vpfe_cfg->num_clocks; i++) { + clk_disable_unprepare(vpfe_dev->clks[i]); + clk_put(vpfe_dev->clks[i]); + } + kzfree(vpfe_dev->clks); + v4l2_info(vpfe_dev->pdev->driver, "vpfe capture clocks disabled\n"); +} + +/* + * vpfe_enable_clock() - Enable clocks for vpfe capture driver + * @vpfe_dev - ptr to vpfe capture device + * + * Enables clocks defined in vpfe configuration. The function + * assumes that at least one clock is to be defined which is + * true as of now. + */ +static int vpfe_enable_clock(struct vpfe_device *vpfe_dev) +{ + struct vpfe_config *vpfe_cfg = vpfe_dev->cfg; + int ret = -EFAULT; + int i; + + if (!vpfe_cfg->num_clocks) + return 0; + + vpfe_dev->clks = kzalloc(vpfe_cfg->num_clocks * + sizeof(struct clock *), GFP_KERNEL); + if (vpfe_dev->clks == NULL) { + v4l2_err(vpfe_dev->pdev->driver, "Memory allocation failed\n"); + return -ENOMEM; + } + + for (i = 0; i < vpfe_cfg->num_clocks; i++) { + if (vpfe_cfg->clocks[i] == NULL) { + v4l2_err(vpfe_dev->pdev->driver, + "clock %s is not defined in vpfe config\n", + vpfe_cfg->clocks[i]); + goto out; + } + + vpfe_dev->clks[i] = + clk_get(vpfe_dev->pdev, vpfe_cfg->clocks[i]); + if (vpfe_dev->clks[i] == NULL) { + v4l2_err(vpfe_dev->pdev->driver, + "Failed to get clock %s\n", + vpfe_cfg->clocks[i]); + goto out; + } + + if (clk_prepare_enable(vpfe_dev->clks[i])) { + v4l2_err(vpfe_dev->pdev->driver, + "vpfe clock %s not enabled\n", + vpfe_cfg->clocks[i]); + goto out; + } + + v4l2_info(vpfe_dev->pdev->driver, "vpss clock %s enabled", + vpfe_cfg->clocks[i]); + } + + return 0; +out: + for (i = 0; i < vpfe_cfg->num_clocks; i++) + if (vpfe_dev->clks[i]) { + clk_disable_unprepare(vpfe_dev->clks[i]); + clk_put(vpfe_dev->clks[i]); + } + + v4l2_err(vpfe_dev->pdev->driver, "Failed to enable clocks\n"); + kzfree(vpfe_dev->clks); + + return ret; +} + +/* + * vpfe_detach_irq() - Detach IRQs for vpfe capture driver + * @vpfe_dev - ptr to vpfe capture device + * + * Detach all IRQs defined in vpfe configuration. + */ +static void vpfe_detach_irq(struct vpfe_device *vpfe_dev) +{ + free_irq(vpfe_dev->ccdc_irq0, vpfe_dev); + free_irq(vpfe_dev->ccdc_irq1, vpfe_dev); + free_irq(vpfe_dev->imp_dma_irq, vpfe_dev); +} + +/* + * vpfe_attach_irq() - Attach IRQs for vpfe capture driver + * @vpfe_dev - ptr to vpfe capture device + * + * Attach all IRQs defined in vpfe configuration. + */ +static int vpfe_attach_irq(struct vpfe_device *vpfe_dev) +{ + int ret = 0; + + ret = request_irq(vpfe_dev->ccdc_irq0, vpfe_isr, IRQF_DISABLED, + "vpfe_capture0", vpfe_dev); + if (ret < 0) { + v4l2_err(&vpfe_dev->v4l2_dev, + "Error: requesting VINT0 interrupt\n"); + return ret; + } + + ret = request_irq(vpfe_dev->ccdc_irq1, vpfe_vdint1_isr, IRQF_DISABLED, + "vpfe_capture1", vpfe_dev); + if (ret < 0) { + v4l2_err(&vpfe_dev->v4l2_dev, + "Error: requesting VINT1 interrupt\n"); + free_irq(vpfe_dev->ccdc_irq0, vpfe_dev); + return ret; + } + + ret = request_irq(vpfe_dev->imp_dma_irq, vpfe_imp_dma_isr, + IRQF_DISABLED, "Imp_Sdram_Irq", vpfe_dev); + if (ret < 0) { + v4l2_err(&vpfe_dev->v4l2_dev, + "Error: requesting IMP IRQ interrupt\n"); + free_irq(vpfe_dev->ccdc_irq1, vpfe_dev); + free_irq(vpfe_dev->ccdc_irq0, vpfe_dev); + return ret; + } + + return 0; +} + +/* + * register_i2c_devices() - register all i2c v4l2 subdevs + * @vpfe_dev - ptr to vpfe capture device + * + * register all i2c v4l2 subdevs + */ +static int register_i2c_devices(struct vpfe_device *vpfe_dev) +{ + struct vpfe_ext_subdev_info *sdinfo; + struct vpfe_config *vpfe_cfg; + struct i2c_adapter *i2c_adap; + unsigned int num_subdevs; + int ret; + int i; + int k; + + vpfe_cfg = vpfe_dev->cfg; + i2c_adap = i2c_get_adapter(1); + num_subdevs = vpfe_cfg->num_subdevs; + vpfe_dev->sd = + kzalloc(sizeof(struct v4l2_subdev *)*num_subdevs, GFP_KERNEL); + if (vpfe_dev->sd == NULL) { + v4l2_err(&vpfe_dev->v4l2_dev, + "unable to allocate memory for subdevice\n"); + return -ENOMEM; + } + + for (i = 0, k = 0; i < num_subdevs; i++) { + sdinfo = &vpfe_cfg->sub_devs[i]; + /* + * register subdevices based on interface setting. Currently + * tvp5146 and mt9p031 cannot co-exists due to i2c address + * conflicts. So only one of them is registered. Re-visit this + * once we have support for i2c switch handling in i2c driver + * framework + */ + if (interface == sdinfo->is_camera) { + /* setup input path */ + if (vpfe_cfg->setup_input && + vpfe_cfg->setup_input(sdinfo->grp_id) < 0) { + ret = -EFAULT; + v4l2_info(&vpfe_dev->v4l2_dev, + "could not setup input for %s\n", + sdinfo->module_name); + goto probe_sd_out; + } + /* Load up the subdevice */ + vpfe_dev->sd[k] = + v4l2_i2c_new_subdev_board(&vpfe_dev->v4l2_dev, + i2c_adap, &sdinfo->board_info, + NULL); + if (vpfe_dev->sd[k]) { + v4l2_info(&vpfe_dev->v4l2_dev, + "v4l2 sub device %s registered\n", + sdinfo->module_name); + + vpfe_dev->sd[k]->grp_id = sdinfo->grp_id; + k++; + + sdinfo->registered = 1; + } + } else { + v4l2_info(&vpfe_dev->v4l2_dev, + "v4l2 sub device %s is not registered\n", + sdinfo->module_name); + } + } + vpfe_dev->num_ext_subdevs = k; + + return 0; + +probe_sd_out: + kzfree(vpfe_dev->sd); + + return ret; +} + +/* + * vpfe_register_entities() - register all v4l2 subdevs and media entities + * @vpfe_dev - ptr to vpfe capture device + * + * register all v4l2 subdevs, media entities, and creates links + * between entities + */ +static int vpfe_register_entities(struct vpfe_device *vpfe_dev) +{ + unsigned int flags = 0; + int ret; + int i; + + /* register i2c devices first */ + ret = register_i2c_devices(vpfe_dev); + if (ret) + return ret; + + /* register rest of the sub-devs */ + ret = vpfe_isif_register_entities(&vpfe_dev->vpfe_isif, + &vpfe_dev->v4l2_dev); + if (ret) + return ret; + + ret = vpfe_ipipeif_register_entities(&vpfe_dev->vpfe_ipipeif, + &vpfe_dev->v4l2_dev); + if (ret) + goto out_isif_register; + + ret = vpfe_ipipe_register_entities(&vpfe_dev->vpfe_ipipe, + &vpfe_dev->v4l2_dev); + if (ret) + goto out_ipipeif_register; + + ret = vpfe_resizer_register_entities(&vpfe_dev->vpfe_resizer, + &vpfe_dev->v4l2_dev); + if (ret) + goto out_ipipe_register; + + /* create links now, starting with external(i2c) entities */ + for (i = 0; i < vpfe_dev->num_ext_subdevs; i++) + /* if entity has no pads (ex: amplifier), + cant establish link */ + if (vpfe_dev->sd[i]->entity.num_pads) { + ret = media_entity_create_link(&vpfe_dev->sd[i]->entity, + 0, &vpfe_dev->vpfe_isif.subdev.entity, + 0, flags); + if (ret < 0) + goto out_resizer_register; + } + + ret = media_entity_create_link(&vpfe_dev->vpfe_isif.subdev.entity, 1, + &vpfe_dev->vpfe_ipipeif.subdev.entity, + 0, flags); + if (ret < 0) + goto out_resizer_register; + + ret = media_entity_create_link(&vpfe_dev->vpfe_ipipeif.subdev.entity, 1, + &vpfe_dev->vpfe_ipipe.subdev.entity, + 0, flags); + if (ret < 0) + goto out_resizer_register; + + ret = media_entity_create_link(&vpfe_dev->vpfe_ipipe.subdev.entity, + 1, &vpfe_dev->vpfe_resizer.crop_resizer.subdev.entity, + 0, flags); + if (ret < 0) + goto out_resizer_register; + + ret = media_entity_create_link(&vpfe_dev->vpfe_ipipeif.subdev.entity, 1, + &vpfe_dev->vpfe_resizer.crop_resizer.subdev.entity, + 0, flags); + if (ret < 0) + goto out_resizer_register; + + ret = v4l2_device_register_subdev_nodes(&vpfe_dev->v4l2_dev); + if (ret < 0) + goto out_resizer_register; + + return 0; + +out_resizer_register: + vpfe_resizer_unregister_entities(&vpfe_dev->vpfe_resizer); +out_ipipe_register: + vpfe_ipipe_unregister_entities(&vpfe_dev->vpfe_ipipe); +out_ipipeif_register: + vpfe_ipipeif_unregister_entities(&vpfe_dev->vpfe_ipipeif); +out_isif_register: + vpfe_isif_unregister_entities(&vpfe_dev->vpfe_isif); + + return ret; +} + +/* + * vpfe_unregister_entities() - unregister all v4l2 subdevs and media entities + * @vpfe_dev - ptr to vpfe capture device + * + * unregister all v4l2 subdevs and media entities + */ +static void vpfe_unregister_entities(struct vpfe_device *vpfe_dev) +{ + vpfe_isif_unregister_entities(&vpfe_dev->vpfe_isif); + vpfe_ipipeif_unregister_entities(&vpfe_dev->vpfe_ipipeif); + vpfe_ipipe_unregister_entities(&vpfe_dev->vpfe_ipipe); + vpfe_resizer_unregister_entities(&vpfe_dev->vpfe_resizer); +} + +/* + * vpfe_cleanup_modules() - cleanup all non-i2c v4l2 subdevs + * @vpfe_dev - ptr to vpfe capture device + * @pdev - pointer to platform device + * + * cleanup all v4l2 subdevs + */ +static void vpfe_cleanup_modules(struct vpfe_device *vpfe_dev, + struct platform_device *pdev) +{ + vpfe_isif_cleanup(&vpfe_dev->vpfe_isif, pdev); + vpfe_ipipeif_cleanup(&vpfe_dev->vpfe_ipipeif, pdev); + vpfe_ipipe_cleanup(&vpfe_dev->vpfe_ipipe, pdev); + vpfe_resizer_cleanup(&vpfe_dev->vpfe_resizer, pdev); +} + +/* + * vpfe_initialize_modules() - initialize all non-i2c v4l2 subdevs + * @vpfe_dev - ptr to vpfe capture device + * @pdev - pointer to platform device + * + * intialize all v4l2 subdevs and media entities + */ +static int vpfe_initialize_modules(struct vpfe_device *vpfe_dev, + struct platform_device *pdev) +{ + int ret; + + ret = vpfe_isif_init(&vpfe_dev->vpfe_isif, pdev); + if (ret) + return ret; + + ret = vpfe_ipipeif_init(&vpfe_dev->vpfe_ipipeif, pdev); + if (ret) + goto out_isif_init; + + ret = vpfe_ipipe_init(&vpfe_dev->vpfe_ipipe, pdev); + if (ret) + goto out_ipipeif_init; + + ret = vpfe_resizer_init(&vpfe_dev->vpfe_resizer, pdev); + if (ret) + goto out_ipipe_init; + + return 0; + +out_ipipe_init: + vpfe_ipipe_cleanup(&vpfe_dev->vpfe_ipipe, pdev); +out_ipipeif_init: + vpfe_ipipeif_cleanup(&vpfe_dev->vpfe_ipipeif, pdev); +out_isif_init: + vpfe_isif_cleanup(&vpfe_dev->vpfe_isif, pdev); + + return ret; +} + +/* + * vpfe_probe() : vpfe probe function + * @pdev: platform device pointer + * + * This function creates device entries by register itself to the V4L2 driver + * and initializes fields of each device objects + */ +static int vpfe_probe(struct platform_device *pdev) +{ + struct vpfe_device *vpfe_dev; + struct resource *res1; + int ret = -ENOMEM; + + vpfe_dev = kzalloc(sizeof(*vpfe_dev), GFP_KERNEL); + if (!vpfe_dev) { + v4l2_err(pdev->dev.driver, + "Failed to allocate memory for vpfe_dev\n"); + return ret; + } + + if (pdev->dev.platform_data == NULL) { + v4l2_err(pdev->dev.driver, "Unable to get vpfe config\n"); + ret = -ENOENT; + goto probe_free_dev_mem; + } + + vpfe_dev->cfg = pdev->dev.platform_data; + if (vpfe_dev->cfg->card_name == NULL || + vpfe_dev->cfg->sub_devs == NULL) { + v4l2_err(pdev->dev.driver, "null ptr in vpfe_cfg\n"); + ret = -ENOENT; + goto probe_free_dev_mem; + } + + /* Get VINT0 irq resource */ + res1 = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!res1) { + v4l2_err(pdev->dev.driver, + "Unable to get interrupt for VINT0\n"); + ret = -ENOENT; + goto probe_free_dev_mem; + } + vpfe_dev->ccdc_irq0 = res1->start; + + /* Get VINT1 irq resource */ + res1 = platform_get_resource(pdev, IORESOURCE_IRQ, 1); + if (!res1) { + v4l2_err(pdev->dev.driver, + "Unable to get interrupt for VINT1\n"); + ret = -ENOENT; + goto probe_free_dev_mem; + } + vpfe_dev->ccdc_irq1 = res1->start; + + /* Get DMA irq resource */ + res1 = platform_get_resource(pdev, IORESOURCE_IRQ, 2); + if (!res1) { + v4l2_err(pdev->dev.driver, + "Unable to get interrupt for DMA\n"); + ret = -ENOENT; + goto probe_free_dev_mem; + } + vpfe_dev->imp_dma_irq = res1->start; + + vpfe_dev->pdev = &pdev->dev; + + /* enable vpss clocks */ + ret = vpfe_enable_clock(vpfe_dev); + if (ret) + goto probe_free_dev_mem; + + if (vpfe_initialize_modules(vpfe_dev, pdev)) + goto probe_disable_clock; + + vpfe_dev->media_dev.dev = vpfe_dev->pdev; + strcpy((char *)&vpfe_dev->media_dev.model, "davinci-media"); + + ret = media_device_register(&vpfe_dev->media_dev); + if (ret) { + v4l2_err(pdev->dev.driver, + "Unable to register media device.\n"); + goto probe_out_entities_cleanup; + } + + vpfe_dev->v4l2_dev.mdev = &vpfe_dev->media_dev; + ret = v4l2_device_register(&pdev->dev, &vpfe_dev->v4l2_dev); + if (ret) { + v4l2_err(pdev->dev.driver, "Unable to register v4l2 device.\n"); + goto probe_out_media_unregister; + } + + v4l2_info(&vpfe_dev->v4l2_dev, "v4l2 device registered\n"); + /* set the driver data in platform device */ + platform_set_drvdata(pdev, vpfe_dev); + /* register subdevs/entities */ + if (vpfe_register_entities(vpfe_dev)) + goto probe_out_v4l2_unregister; + + ret = vpfe_attach_irq(vpfe_dev); + if (ret) + goto probe_out_entities_unregister; + + return 0; + +probe_out_entities_unregister: + vpfe_unregister_entities(vpfe_dev); + kzfree(vpfe_dev->sd); +probe_out_v4l2_unregister: + v4l2_device_unregister(&vpfe_dev->v4l2_dev); +probe_out_media_unregister: + media_device_unregister(&vpfe_dev->media_dev); +probe_out_entities_cleanup: + vpfe_cleanup_modules(vpfe_dev, pdev); +probe_disable_clock: + vpfe_disable_clock(vpfe_dev); +probe_free_dev_mem: + kzfree(vpfe_dev); + + return ret; +} + +/* + * vpfe_remove : This function un-registers device from V4L2 driver + */ +static int vpfe_remove(struct platform_device *pdev) +{ + struct vpfe_device *vpfe_dev = platform_get_drvdata(pdev); + + v4l2_info(pdev->dev.driver, "vpfe_remove\n"); + + kzfree(vpfe_dev->sd); + vpfe_detach_irq(vpfe_dev); + vpfe_unregister_entities(vpfe_dev); + vpfe_cleanup_modules(vpfe_dev, pdev); + v4l2_device_unregister(&vpfe_dev->v4l2_dev); + media_device_unregister(&vpfe_dev->media_dev); + vpfe_disable_clock(vpfe_dev); + kzfree(vpfe_dev); + + return 0; +} + +static struct platform_driver vpfe_driver = { + .driver = { + .name = CAPTURE_DRV_NAME, + .owner = THIS_MODULE, + }, + .probe = vpfe_probe, + .remove = vpfe_remove, +}; + +/** + * vpfe_init : This function registers device driver + */ +static __init int vpfe_init(void) +{ + /* Register driver to the kernel */ + return platform_driver_register(&vpfe_driver); +} + +/** + * vpfe_cleanup : This function un-registers device driver + */ +static void vpfe_cleanup(void) +{ + platform_driver_unregister(&vpfe_driver); +} + +module_init(vpfe_init); +module_exit(vpfe_cleanup); diff --git a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.h b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.h new file mode 100644 index 000000000000..68f6fe43a5b5 --- /dev/null +++ b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.h @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2012 Texas Instruments Inc + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed in the hope that 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Contributors: + * Manjunath Hadli <manjunath.hadli@ti.com> + * Prabhakar Lad <prabhakar.lad@ti.com> + */ + +#ifndef _DAVINCI_VPFE_MC_CAPTURE_H +#define _DAVINCI_VPFE_MC_CAPTURE_H + +#include "dm365_ipipe.h" +#include "dm365_ipipeif.h" +#include "dm365_isif.h" +#include "dm365_resizer.h" +#include "vpfe_video.h" + +#define VPFE_MAJOR_RELEASE 0 +#define VPFE_MINOR_RELEASE 0 +#define VPFE_BUILD 1 +#define VPFE_CAPTURE_VERSION_CODE ((VPFE_MAJOR_RELEASE << 16) | \ + (VPFE_MINOR_RELEASE << 8) | \ + VPFE_BUILD) + +/* IPIPE hardware limits */ +#define IPIPE_MAX_OUTPUT_WIDTH_A 2176 +#define IPIPE_MAX_OUTPUT_WIDTH_B 640 + +/* Based on max resolution supported. QXGA */ +#define IPIPE_MAX_OUTPUT_HEIGHT_A 1536 +/* Based on max resolution supported. VGA */ +#define IPIPE_MAX_OUTPUT_HEIGHT_B 480 + +#define to_vpfe_device(ptr_module) \ + container_of(ptr_module, struct vpfe_device, vpfe_##ptr_module) +#define to_device(ptr_module) \ + (to_vpfe_device(ptr_module)->dev) + +struct vpfe_device { + /* external registered sub devices */ + struct v4l2_subdev **sd; + /* number of registered external subdevs */ + unsigned int num_ext_subdevs; + /* vpfe cfg */ + struct vpfe_config *cfg; + /* clock ptrs for vpfe capture */ + struct clk **clks; + /* V4l2 device */ + struct v4l2_device v4l2_dev; + /* parent device */ + struct device *pdev; + /* IRQ number for DMA transfer completion at the image processor */ + unsigned int imp_dma_irq; + /* CCDC IRQs used when CCDC/ISIF output to SDRAM */ + unsigned int ccdc_irq0; + unsigned int ccdc_irq1; + /* maximum video memory that is available*/ + unsigned int video_limit; + /* media device */ + struct media_device media_dev; + /* ccdc subdevice */ + struct vpfe_isif_device vpfe_isif; + /* ipipeif subdevice */ + struct vpfe_ipipeif_device vpfe_ipipeif; + /* ipipe subdevice */ + struct vpfe_ipipe_device vpfe_ipipe; + /* resizer subdevice */ + struct vpfe_resizer_device vpfe_resizer; +}; + +/* File handle structure */ +struct vpfe_fh { + struct v4l2_fh vfh; + struct vpfe_video_device *video; + /* Indicates whether this file handle is doing IO */ + u8 io_allowed; + /* Used to keep track priority of this instance */ + enum v4l2_priority prio; +}; + +void mbus_to_pix(const struct v4l2_mbus_framefmt *mbus, + struct v4l2_pix_format *pix); + +#endif /* _DAVINCI_VPFE_MC_CAPTURE_H */ |