diff options
Diffstat (limited to 'drivers/media/video/davinci/dm644x_ccdc.c')
| -rw-r--r-- | drivers/media/video/davinci/dm644x_ccdc.c | 361 |
1 files changed, 225 insertions, 136 deletions
diff --git a/drivers/media/video/davinci/dm644x_ccdc.c b/drivers/media/video/davinci/dm644x_ccdc.c index d5fa193f32d2..0c394cade22a 100644 --- a/drivers/media/video/davinci/dm644x_ccdc.c +++ b/drivers/media/video/davinci/dm644x_ccdc.c @@ -37,8 +37,12 @@ #include <linux/platform_device.h> #include <linux/uaccess.h> #include <linux/videodev2.h> +#include <linux/clk.h> +#include <linux/err.h> + #include <media/davinci/dm644x_ccdc.h> #include <media/davinci/vpss.h> + #include "dm644x_ccdc_regs.h" #include "ccdc_hw_device.h" @@ -46,32 +50,44 @@ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("CCDC Driver for DM6446"); MODULE_AUTHOR("Texas Instruments"); -static struct device *dev; - -/* Object for CCDC raw mode */ -static struct ccdc_params_raw ccdc_hw_params_raw = { - .pix_fmt = CCDC_PIXFMT_RAW, - .frm_fmt = CCDC_FRMFMT_PROGRESSIVE, - .win = CCDC_WIN_VGA, - .fid_pol = VPFE_PINPOL_POSITIVE, - .vd_pol = VPFE_PINPOL_POSITIVE, - .hd_pol = VPFE_PINPOL_POSITIVE, - .config_params = { - .data_sz = CCDC_DATA_10BITS, +static struct ccdc_oper_config { + struct device *dev; + /* CCDC interface type */ + enum vpfe_hw_if_type if_type; + /* Raw Bayer configuration */ + struct ccdc_params_raw bayer; + /* YCbCr configuration */ + struct ccdc_params_ycbcr ycbcr; + /* Master clock */ + struct clk *mclk; + /* slave clock */ + struct clk *sclk; + /* ccdc base address */ + void __iomem *base_addr; +} ccdc_cfg = { + /* Raw configurations */ + .bayer = { + .pix_fmt = CCDC_PIXFMT_RAW, + .frm_fmt = CCDC_FRMFMT_PROGRESSIVE, + .win = CCDC_WIN_VGA, + .fid_pol = VPFE_PINPOL_POSITIVE, + .vd_pol = VPFE_PINPOL_POSITIVE, + .hd_pol = VPFE_PINPOL_POSITIVE, + .config_params = { + .data_sz = CCDC_DATA_10BITS, + }, + }, + .ycbcr = { + .pix_fmt = CCDC_PIXFMT_YCBCR_8BIT, + .frm_fmt = CCDC_FRMFMT_INTERLACED, + .win = CCDC_WIN_PAL, + .fid_pol = VPFE_PINPOL_POSITIVE, + .vd_pol = VPFE_PINPOL_POSITIVE, + .hd_pol = VPFE_PINPOL_POSITIVE, + .bt656_enable = 1, + .pix_order = CCDC_PIXORDER_CBYCRY, + .buf_type = CCDC_BUFTYPE_FLD_INTERLEAVED }, -}; - -/* Object for CCDC ycbcr mode */ -static struct ccdc_params_ycbcr ccdc_hw_params_ycbcr = { - .pix_fmt = CCDC_PIXFMT_YCBCR_8BIT, - .frm_fmt = CCDC_FRMFMT_INTERLACED, - .win = CCDC_WIN_PAL, - .fid_pol = VPFE_PINPOL_POSITIVE, - .vd_pol = VPFE_PINPOL_POSITIVE, - .hd_pol = VPFE_PINPOL_POSITIVE, - .bt656_enable = 1, - .pix_order = CCDC_PIXORDER_CBYCRY, - .buf_type = CCDC_BUFTYPE_FLD_INTERLEAVED }; #define CCDC_MAX_RAW_YUV_FORMATS 2 @@ -84,25 +100,15 @@ static u32 ccdc_raw_bayer_pix_formats[] = static u32 ccdc_raw_yuv_pix_formats[] = {V4L2_PIX_FMT_UYVY, V4L2_PIX_FMT_YUYV}; -static void *__iomem ccdc_base_addr; -static int ccdc_addr_size; -static enum vpfe_hw_if_type ccdc_if_type; - /* register access routines */ static inline u32 regr(u32 offset) { - return __raw_readl(ccdc_base_addr + offset); + return __raw_readl(ccdc_cfg.base_addr + offset); } static inline void regw(u32 val, u32 offset) { - __raw_writel(val, ccdc_base_addr + offset); -} - -static void ccdc_set_ccdc_base(void *addr, int size) -{ - ccdc_base_addr = addr; - ccdc_addr_size = size; + __raw_writel(val, ccdc_cfg.base_addr + offset); } static void ccdc_enable(int flag) @@ -132,7 +138,7 @@ void ccdc_setwin(struct v4l2_rect *image_win, int vert_start, vert_nr_lines; int val = 0, mid_img = 0; - dev_dbg(dev, "\nStarting ccdc_setwin..."); + dev_dbg(ccdc_cfg.dev, "\nStarting ccdc_setwin..."); /* * ppc - per pixel count. indicates how many pixels per cell * output to SDRAM. example, for ycbcr, it is one y and one c, so 2. @@ -171,7 +177,7 @@ void ccdc_setwin(struct v4l2_rect *image_win, regw((vert_start << CCDC_VERT_START_SLV0_SHIFT) | vert_start, CCDC_VERT_START); regw(vert_nr_lines, CCDC_VERT_LINES); - dev_dbg(dev, "\nEnd of ccdc_setwin..."); + dev_dbg(ccdc_cfg.dev, "\nEnd of ccdc_setwin..."); } static void ccdc_readregs(void) @@ -179,39 +185,39 @@ static void ccdc_readregs(void) unsigned int val = 0; val = regr(CCDC_ALAW); - dev_notice(dev, "\nReading 0x%x to ALAW...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to ALAW...\n", val); val = regr(CCDC_CLAMP); - dev_notice(dev, "\nReading 0x%x to CLAMP...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to CLAMP...\n", val); val = regr(CCDC_DCSUB); - dev_notice(dev, "\nReading 0x%x to DCSUB...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to DCSUB...\n", val); val = regr(CCDC_BLKCMP); - dev_notice(dev, "\nReading 0x%x to BLKCMP...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to BLKCMP...\n", val); val = regr(CCDC_FPC_ADDR); - dev_notice(dev, "\nReading 0x%x to FPC_ADDR...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to FPC_ADDR...\n", val); val = regr(CCDC_FPC); - dev_notice(dev, "\nReading 0x%x to FPC...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to FPC...\n", val); val = regr(CCDC_FMTCFG); - dev_notice(dev, "\nReading 0x%x to FMTCFG...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to FMTCFG...\n", val); val = regr(CCDC_COLPTN); - dev_notice(dev, "\nReading 0x%x to COLPTN...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to COLPTN...\n", val); val = regr(CCDC_FMT_HORZ); - dev_notice(dev, "\nReading 0x%x to FMT_HORZ...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to FMT_HORZ...\n", val); val = regr(CCDC_FMT_VERT); - dev_notice(dev, "\nReading 0x%x to FMT_VERT...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to FMT_VERT...\n", val); val = regr(CCDC_HSIZE_OFF); - dev_notice(dev, "\nReading 0x%x to HSIZE_OFF...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to HSIZE_OFF...\n", val); val = regr(CCDC_SDOFST); - dev_notice(dev, "\nReading 0x%x to SDOFST...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to SDOFST...\n", val); val = regr(CCDC_VP_OUT); - dev_notice(dev, "\nReading 0x%x to VP_OUT...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to VP_OUT...\n", val); val = regr(CCDC_SYN_MODE); - dev_notice(dev, "\nReading 0x%x to SYN_MODE...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to SYN_MODE...\n", val); val = regr(CCDC_HORZ_INFO); - dev_notice(dev, "\nReading 0x%x to HORZ_INFO...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to HORZ_INFO...\n", val); val = regr(CCDC_VERT_START); - dev_notice(dev, "\nReading 0x%x to VERT_START...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to VERT_START...\n", val); val = regr(CCDC_VERT_LINES); - dev_notice(dev, "\nReading 0x%x to VERT_LINES...\n", val); + dev_notice(ccdc_cfg.dev, "\nReading 0x%x to VERT_LINES...\n", val); } static int validate_ccdc_param(struct ccdc_config_params_raw *ccdcparam) @@ -220,7 +226,7 @@ static int validate_ccdc_param(struct ccdc_config_params_raw *ccdcparam) if ((ccdcparam->alaw.gama_wd > CCDC_GAMMA_BITS_09_0) || (ccdcparam->alaw.gama_wd < CCDC_GAMMA_BITS_15_6) || (ccdcparam->alaw.gama_wd < ccdcparam->data_sz)) { - dev_dbg(dev, "\nInvalid data line select"); + dev_dbg(ccdc_cfg.dev, "\nInvalid data line select"); return -1; } } @@ -230,7 +236,7 @@ static int validate_ccdc_param(struct ccdc_config_params_raw *ccdcparam) static int ccdc_update_raw_params(struct ccdc_config_params_raw *raw_params) { struct ccdc_config_params_raw *config_params = - &ccdc_hw_params_raw.config_params; + &ccdc_cfg.bayer.config_params; unsigned int *fpc_virtaddr = NULL; unsigned int *fpc_physaddr = NULL; @@ -266,7 +272,7 @@ static int ccdc_update_raw_params(struct ccdc_config_params_raw *raw_params) FP_NUM_BYTES)); if (fpc_virtaddr == NULL) { - dev_dbg(dev, + dev_dbg(ccdc_cfg.dev, "\nUnable to allocate memory for FPC"); return -EFAULT; } @@ -279,7 +285,7 @@ static int ccdc_update_raw_params(struct ccdc_config_params_raw *raw_params) if (copy_from_user(fpc_virtaddr, (void __user *)raw_params->fault_pxl.fpc_table_addr, config_params->fault_pxl.fp_num * FP_NUM_BYTES)) { - dev_dbg(dev, "\n copy_from_user failed"); + dev_dbg(ccdc_cfg.dev, "\n copy_from_user failed"); return -EFAULT; } config_params->fault_pxl.fpc_table_addr = (unsigned int)fpc_physaddr; @@ -289,7 +295,7 @@ static int ccdc_update_raw_params(struct ccdc_config_params_raw *raw_params) static int ccdc_close(struct device *dev) { struct ccdc_config_params_raw *config_params = - &ccdc_hw_params_raw.config_params; + &ccdc_cfg.bayer.config_params; unsigned int *fpc_physaddr = NULL, *fpc_virtaddr = NULL; fpc_physaddr = (unsigned int *)config_params->fault_pxl.fpc_table_addr; @@ -323,9 +329,8 @@ static void ccdc_restore_defaults(void) static int ccdc_open(struct device *device) { - dev = device; ccdc_restore_defaults(); - if (ccdc_if_type == VPFE_RAW_BAYER) + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) ccdc_enable_vport(1); return 0; } @@ -341,12 +346,12 @@ static int ccdc_set_params(void __user *params) struct ccdc_config_params_raw ccdc_raw_params; int x; - if (ccdc_if_type != VPFE_RAW_BAYER) + if (ccdc_cfg.if_type != VPFE_RAW_BAYER) return -EINVAL; x = copy_from_user(&ccdc_raw_params, params, sizeof(ccdc_raw_params)); if (x) { - dev_dbg(dev, "ccdc_set_params: error in copying" + dev_dbg(ccdc_cfg.dev, "ccdc_set_params: error in copying" "ccdc params, %d\n", x); return -EFAULT; } @@ -364,10 +369,10 @@ static int ccdc_set_params(void __user *params) */ void ccdc_config_ycbcr(void) { - struct ccdc_params_ycbcr *params = &ccdc_hw_params_ycbcr; + struct ccdc_params_ycbcr *params = &ccdc_cfg.ycbcr; u32 syn_mode; - dev_dbg(dev, "\nStarting ccdc_config_ycbcr..."); + dev_dbg(ccdc_cfg.dev, "\nStarting ccdc_config_ycbcr..."); /* * first restore the CCDC registers to default values * This is important since we assume default values to be set in @@ -428,7 +433,7 @@ void ccdc_config_ycbcr(void) regw(CCDC_SDOFST_FIELD_INTERLEAVED, CCDC_SDOFST); ccdc_sbl_reset(); - dev_dbg(dev, "\nEnd of ccdc_config_ycbcr...\n"); + dev_dbg(ccdc_cfg.dev, "\nEnd of ccdc_config_ycbcr...\n"); ccdc_readregs(); } @@ -440,9 +445,9 @@ static void ccdc_config_black_clamp(struct ccdc_black_clamp *bclamp) /* configure DCSub */ val = (bclamp->dc_sub) & CCDC_BLK_DC_SUB_MASK; regw(val, CCDC_DCSUB); - dev_dbg(dev, "\nWriting 0x%x to DCSUB...\n", val); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to DCSUB...\n", val); regw(CCDC_CLAMP_DEFAULT_VAL, CCDC_CLAMP); - dev_dbg(dev, "\nWriting 0x0000 to CLAMP...\n"); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x0000 to CLAMP...\n"); return; } /* @@ -457,10 +462,10 @@ static void ccdc_config_black_clamp(struct ccdc_black_clamp *bclamp) ((bclamp->sample_pixel & CCDC_BLK_SAMPLE_LN_MASK) << CCDC_BLK_SAMPLE_LN_SHIFT) | CCDC_BLK_CLAMP_ENABLE); regw(val, CCDC_CLAMP); - dev_dbg(dev, "\nWriting 0x%x to CLAMP...\n", val); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to CLAMP...\n", val); /* If Black clamping is enable then make dcsub 0 */ regw(CCDC_DCSUB_DEFAULT_VAL, CCDC_DCSUB); - dev_dbg(dev, "\nWriting 0x00000000 to DCSUB...\n"); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x00000000 to DCSUB...\n"); } static void ccdc_config_black_compense(struct ccdc_black_compensation *bcomp) @@ -490,17 +495,17 @@ static void ccdc_config_fpc(struct ccdc_fault_pixel *fpc) /* Configure Fault pixel if needed */ regw(fpc->fpc_table_addr, CCDC_FPC_ADDR); - dev_dbg(dev, "\nWriting 0x%x to FPC_ADDR...\n", + dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FPC_ADDR...\n", (fpc->fpc_table_addr)); /* Write the FPC params with FPC disable */ val = fpc->fp_num & CCDC_FPC_FPC_NUM_MASK; regw(val, CCDC_FPC); - dev_dbg(dev, "\nWriting 0x%x to FPC...\n", val); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FPC...\n", val); /* read the FPC register */ val = regr(CCDC_FPC) | CCDC_FPC_ENABLE; regw(val, CCDC_FPC); - dev_dbg(dev, "\nWriting 0x%x to FPC...\n", val); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FPC...\n", val); } /* @@ -509,13 +514,13 @@ static void ccdc_config_fpc(struct ccdc_fault_pixel *fpc) */ void ccdc_config_raw(void) { - struct ccdc_params_raw *params = &ccdc_hw_params_raw; + struct ccdc_params_raw *params = &ccdc_cfg.bayer; struct ccdc_config_params_raw *config_params = - &ccdc_hw_params_raw.config_params; + &ccdc_cfg.bayer.config_params; unsigned int syn_mode = 0; unsigned int val; - dev_dbg(dev, "\nStarting ccdc_config_raw..."); + dev_dbg(ccdc_cfg.dev, "\nStarting ccdc_config_raw..."); /* Reset CCDC */ ccdc_restore_defaults(); @@ -545,7 +550,7 @@ void ccdc_config_raw(void) val = ((config_params->alaw.gama_wd & CCDC_ALAW_GAMA_WD_MASK) | CCDC_ALAW_ENABLE); regw(val, CCDC_ALAW); - dev_dbg(dev, "\nWriting 0x%x to ALAW...\n", val); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to ALAW...\n", val); } /* Configure video window */ @@ -582,11 +587,11 @@ void ccdc_config_raw(void) /* Write value in FMTCFG */ regw(val, CCDC_FMTCFG); - dev_dbg(dev, "\nWriting 0x%x to FMTCFG...\n", val); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FMTCFG...\n", val); /* Configure the color pattern according to mt9t001 sensor */ regw(CCDC_COLPTN_VAL, CCDC_COLPTN); - dev_dbg(dev, "\nWriting 0xBB11BB11 to COLPTN...\n"); + dev_dbg(ccdc_cfg.dev, "\nWriting 0xBB11BB11 to COLPTN...\n"); /* * Configure Data formatter(Video port) pixel selection * (FMT_HORZ, FMT_VERT) @@ -596,7 +601,7 @@ void ccdc_config_raw(void) (params->win.width & CCDC_FMT_HORZ_FMTLNH_MASK); regw(val, CCDC_FMT_HORZ); - dev_dbg(dev, "\nWriting 0x%x to FMT_HORZ...\n", val); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FMT_HORZ...\n", val); val = (params->win.top & CCDC_FMT_VERT_FMTSLV_MASK) << CCDC_FMT_VERT_FMTSLV_SHIFT; if (params->frm_fmt == CCDC_FRMFMT_PROGRESSIVE) @@ -604,13 +609,13 @@ void ccdc_config_raw(void) else val |= (params->win.height >> 1) & CCDC_FMT_VERT_FMTLNV_MASK; - dev_dbg(dev, "\nparams->win.height 0x%x ...\n", + dev_dbg(ccdc_cfg.dev, "\nparams->win.height 0x%x ...\n", params->win.height); regw(val, CCDC_FMT_VERT); - dev_dbg(dev, "\nWriting 0x%x to FMT_VERT...\n", val); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FMT_VERT...\n", val); - dev_dbg(dev, "\nbelow regw(val, FMT_VERT)..."); + dev_dbg(ccdc_cfg.dev, "\nbelow regw(val, FMT_VERT)..."); /* * Configure Horizontal offset register. If pack 8 is enabled then @@ -631,17 +636,17 @@ void ccdc_config_raw(void) if (params->image_invert_enable) { /* For intelace inverse mode */ regw(CCDC_INTERLACED_IMAGE_INVERT, CCDC_SDOFST); - dev_dbg(dev, "\nWriting 0x4B6D to SDOFST...\n"); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x4B6D to SDOFST..\n"); } else { /* For intelace non inverse mode */ regw(CCDC_INTERLACED_NO_IMAGE_INVERT, CCDC_SDOFST); - dev_dbg(dev, "\nWriting 0x0249 to SDOFST...\n"); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x0249 to SDOFST..\n"); } } else if (params->frm_fmt == CCDC_FRMFMT_PROGRESSIVE) { regw(CCDC_PROGRESSIVE_NO_IMAGE_INVERT, CCDC_SDOFST); - dev_dbg(dev, "\nWriting 0x0000 to SDOFST...\n"); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x0000 to SDOFST...\n"); } /* @@ -662,18 +667,18 @@ void ccdc_config_raw(void) val |= (params->win.left) & CCDC_VP_OUT_HORZ_ST_MASK; regw(val, CCDC_VP_OUT); - dev_dbg(dev, "\nWriting 0x%x to VP_OUT...\n", val); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to VP_OUT...\n", val); regw(syn_mode, CCDC_SYN_MODE); - dev_dbg(dev, "\nWriting 0x%x to SYN_MODE...\n", syn_mode); + dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to SYN_MODE...\n", syn_mode); ccdc_sbl_reset(); - dev_dbg(dev, "\nend of ccdc_config_raw..."); + dev_dbg(ccdc_cfg.dev, "\nend of ccdc_config_raw..."); ccdc_readregs(); } static int ccdc_configure(void) { - if (ccdc_if_type == VPFE_RAW_BAYER) + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) ccdc_config_raw(); else ccdc_config_ycbcr(); @@ -682,24 +687,24 @@ static int ccdc_configure(void) static int ccdc_set_buftype(enum ccdc_buftype buf_type) { - if (ccdc_if_type == VPFE_RAW_BAYER) - ccdc_hw_params_raw.buf_type = buf_type; + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) + ccdc_cfg.bayer.buf_type = buf_type; else - ccdc_hw_params_ycbcr.buf_type = buf_type; + ccdc_cfg.ycbcr.buf_type = buf_type; return 0; } static enum ccdc_buftype ccdc_get_buftype(void) { - if (ccdc_if_type == VPFE_RAW_BAYER) - return ccdc_hw_params_raw.buf_type; - return ccdc_hw_params_ycbcr.buf_type; + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) + return ccdc_cfg.bayer.buf_type; + return ccdc_cfg.ycbcr.buf_type; } static int ccdc_enum_pix(u32 *pix, int i) { int ret = -EINVAL; - if (ccdc_if_type == VPFE_RAW_BAYER) { + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) { if (i < ARRAY_SIZE(ccdc_raw_bayer_pix_formats)) { *pix = ccdc_raw_bayer_pix_formats[i]; ret = 0; @@ -715,17 +720,17 @@ static int ccdc_enum_pix(u32 *pix, int i) static int ccdc_set_pixel_format(u32 pixfmt) { - if (ccdc_if_type == VPFE_RAW_BAYER) { - ccdc_hw_params_raw.pix_fmt = CCDC_PIXFMT_RAW; + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) { + ccdc_cfg.bayer.pix_fmt = CCDC_PIXFMT_RAW; if (pixfmt == V4L2_PIX_FMT_SBGGR8) - ccdc_hw_params_raw.config_params.alaw.enable = 1; + ccdc_cfg.bayer.config_params.alaw.enable = 1; else if (pixfmt != V4L2_PIX_FMT_SBGGR16) return -EINVAL; } else { if (pixfmt == V4L2_PIX_FMT_YUYV) - ccdc_hw_params_ycbcr.pix_order = CCDC_PIXORDER_YCBYCR; + ccdc_cfg.ycbcr.pix_order = CCDC_PIXORDER_YCBYCR; else if (pixfmt == V4L2_PIX_FMT_UYVY) - ccdc_hw_params_ycbcr.pix_order = CCDC_PIXORDER_CBYCRY; + ccdc_cfg.ycbcr.pix_order = CCDC_PIXORDER_CBYCRY; else return -EINVAL; } @@ -734,17 +739,16 @@ static int ccdc_set_pixel_format(u32 pixfmt) static u32 ccdc_get_pixel_format(void) { - struct ccdc_a_law *alaw = - &ccdc_hw_params_raw.config_params.alaw; + struct ccdc_a_law *alaw = &ccdc_cfg.bayer.config_params.alaw; u32 pixfmt; - if (ccdc_if_type == VPFE_RAW_BAYER) + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) if (alaw->enable) pixfmt = V4L2_PIX_FMT_SBGGR8; else pixfmt = V4L2_PIX_FMT_SBGGR16; else { - if (ccdc_hw_params_ycbcr.pix_order == CCDC_PIXORDER_YCBYCR) + if (ccdc_cfg.ycbcr.pix_order == CCDC_PIXORDER_YCBYCR) pixfmt = V4L2_PIX_FMT_YUYV; else pixfmt = V4L2_PIX_FMT_UYVY; @@ -754,53 +758,53 @@ static u32 ccdc_get_pixel_format(void) static int ccdc_set_image_window(struct v4l2_rect *win) { - if (ccdc_if_type == VPFE_RAW_BAYER) - ccdc_hw_params_raw.win = *win; + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) + ccdc_cfg.bayer.win = *win; else - ccdc_hw_params_ycbcr.win = *win; + ccdc_cfg.ycbcr.win = *win; return 0; } static void ccdc_get_image_window(struct v4l2_rect *win) { - if (ccdc_if_type == VPFE_RAW_BAYER) - *win = ccdc_hw_params_raw.win; + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) + *win = ccdc_cfg.bayer.win; else - *win = ccdc_hw_params_ycbcr.win; + *win = ccdc_cfg.ycbcr.win; } static unsigned int ccdc_get_line_length(void) { struct ccdc_config_params_raw *config_params = - &ccdc_hw_params_raw.config_params; + &ccdc_cfg.bayer.config_params; unsigned int len; - if (ccdc_if_type == VPFE_RAW_BAYER) { + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) { if ((config_params->alaw.enable) || (config_params->data_sz == CCDC_DATA_8BITS)) - len = ccdc_hw_params_raw.win.width; + len = ccdc_cfg.bayer.win.width; else - len = ccdc_hw_params_raw.win.width * 2; + len = ccdc_cfg.bayer.win.width * 2; } else - len = ccdc_hw_params_ycbcr.win.width * 2; + len = ccdc_cfg.ycbcr.win.width * 2; return ALIGN(len, 32); } static int ccdc_set_frame_format(enum ccdc_frmfmt frm_fmt) { - if (ccdc_if_type == VPFE_RAW_BAYER) - ccdc_hw_params_raw.frm_fmt = frm_fmt; + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) + ccdc_cfg.bayer.frm_fmt = frm_fmt; else - ccdc_hw_params_ycbcr.frm_fmt = frm_fmt; + ccdc_cfg.ycbcr.frm_fmt = frm_fmt; return 0; } static enum ccdc_frmfmt ccdc_get_frame_format(void) { - if (ccdc_if_type == VPFE_RAW_BAYER) - return ccdc_hw_params_raw.frm_fmt; + if (ccdc_cfg.if_type == VPFE_RAW_BAYER) + return ccdc_cfg.bayer.frm_fmt; else - return ccdc_hw_params_ycbcr.frm_fmt; + return ccdc_cfg.ycbcr.frm_fmt; } static int ccdc_getfid(void) @@ -816,14 +820,14 @@ static inline void ccdc_setfbaddr(unsigned long addr) static int ccdc_set_hw_if_params(struct vpfe_hw_if_param *params) { - ccdc_if_type = params->if_type; + ccdc_cfg.if_type = params->if_type; switch (params->if_type) { case VPFE_BT656: case VPFE_YCBCR_SYNC_16: case VPFE_YCBCR_SYNC_8: - ccdc_hw_params_ycbcr.vd_pol = params->vdpol; - ccdc_hw_params_ycbcr.hd_pol = params->hdpol; + ccdc_cfg.ycbcr.vd_pol = params->vdpol; + ccdc_cfg.ycbcr.hd_pol = params->hdpol; break; default: /* TODO add support for raw bayer here */ @@ -838,7 +842,6 @@ static struct ccdc_hw_device ccdc_hw_dev = { .hw_ops = { .open = ccdc_open, .close = ccdc_close, - .set_ccdc_base = ccdc_set_ccdc_base, .reset = ccdc_sbl_reset, .enable = ccdc_enable, .set_hw_if_params = ccdc_set_hw_if_params, @@ -859,19 +862,105 @@ static struct ccdc_hw_device ccdc_hw_dev = { }, }; -static int __init dm644x_ccdc_init(void) +static int __init dm644x_ccdc_probe(struct platform_device *pdev) { - printk(KERN_NOTICE "dm644x_ccdc_init\n"); - if (vpfe_register_ccdc_device(&ccdc_hw_dev) < 0) - return -1; - printk(KERN_NOTICE "%s is registered with vpfe.\n", - ccdc_hw_dev.name); + struct resource *res; + int status = 0; + + /* + * first try to register with vpfe. If not correct platform, then we + * don't have to iomap + */ + status = vpfe_register_ccdc_device(&ccdc_hw_dev); + if (status < 0) + return status; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + status = -ENODEV; + goto fail_nores; + } + + res = request_mem_region(res->start, resource_size(res), res->name); + if (!res) { + status = -EBUSY; + goto fail_nores; + } + + ccdc_cfg.base_addr = ioremap_nocache(res->start, resource_size(res)); + if (!ccdc_cfg.base_addr) { + status = -ENOMEM; + goto fail_nomem; + } + + /* Get and enable Master clock */ + ccdc_cfg.mclk = clk_get(&pdev->dev, "master"); + if (IS_ERR(ccdc_cfg.mclk)) { + status = PTR_ERR(ccdc_cfg.mclk); + goto fail_nomap; + } + if (clk_enable(ccdc_cfg.mclk)) { + status = -ENODEV; + goto fail_mclk; + } + + /* Get and enable Slave clock */ + ccdc_cfg.sclk = clk_get(&pdev->dev, "slave"); + if (IS_ERR(ccdc_cfg.sclk)) { + status = PTR_ERR(ccdc_cfg.sclk); + goto fail_mclk; + } + if (clk_enable(ccdc_cfg.sclk)) { + status = -ENODEV; + goto fail_sclk; + } + ccdc_cfg.dev = &pdev->dev; + printk(KERN_NOTICE "%s is registered with vpfe.\n", ccdc_hw_dev.name); return 0; +fail_sclk: + clk_put(ccdc_cfg.sclk); +fail_mclk: + clk_put(ccdc_cfg.mclk); +fail_nomap: + iounmap(ccdc_cfg.base_addr); +fail_nomem: + release_mem_region(res->start, resource_size(res)); +fail_nores: + vpfe_unregister_ccdc_device(&ccdc_hw_dev); + return status; } -static void __exit dm644x_ccdc_exit(void) +static int dm644x_ccdc_remove(struct platform_device *pdev) { + struct resource *res; + + clk_put(ccdc_cfg.mclk); + clk_put(ccdc_cfg.sclk); + iounmap(ccdc_cfg.base_addr); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res) + release_mem_region(res->start, resource_size(res)); vpfe_unregister_ccdc_device(&ccdc_hw_dev); + return 0; +} + +static struct platform_driver dm644x_ccdc_driver = { + .driver = { + .name = "dm644x_ccdc", + .owner = THIS_MODULE, + }, + .remove = __devexit_p(dm644x_ccdc_remove), + .probe = dm644x_ccdc_probe, +}; + +static int __init dm644x_ccdc_init(void) +{ + return platform_driver_register(&dm644x_ccdc_driver); +} + +static void __exit dm644x_ccdc_exit(void) +{ + platform_driver_unregister(&dm644x_ccdc_driver); } module_init(dm644x_ccdc_init); |