#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
+#include <linux/math64.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/videodev2.h>
+#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
#include <media/v4l2-image-sizes.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-of.h>
* struct isc_format - ISC media bus format information
* @fourcc: Fourcc code for this format
* @mbus_code: V4L2 media bus format code.
- * @bpp: Bytes per pixel (when stored in memory)
+ * @bpp: Bits per pixel (when stored in memory)
* @reg_bps: reg value for bits per sample
* (when transferred over a bus)
- * @support: Indicates format supported by subdev
+ * @pipeline: pipeline switch
+ * @sd_support: Subdev supports this format
+ * @isc_support: ISC can convert raw format to this format
*/
struct isc_format {
u32 fourcc;
u8 bpp;
u32 reg_bps;
+ u32 reg_bay_cfg;
u32 reg_rlp_mode;
u32 reg_dcfg_imode;
u32 reg_dctrl_dview;
- bool support;
+ u32 pipeline;
+
+ bool sd_support;
+ bool isc_support;
+};
+
+
+#define HIST_ENTRIES 512
+#define HIST_BAYER (ISC_HIS_CFG_MODE_B + 1)
+
+enum{
+ HIST_INIT = 0,
+ HIST_ENABLED,
+ HIST_DISABLED,
+};
+
+struct isc_ctrls {
+ struct v4l2_ctrl_handler handler;
+
+ u32 brightness;
+ u32 contrast;
+ u8 gamma_index;
+ u8 awb;
+
+ u32 r_gain;
+ u32 b_gain;
+
+ u32 hist_entry[HIST_ENTRIES];
+ u32 hist_count[HIST_BAYER];
+ u8 hist_id;
+ u8 hist_stat;
};
#define ISC_PIPE_LINE_NODE_NUM 11
struct isc_format **user_formats;
unsigned int num_user_formats;
const struct isc_format *current_fmt;
+ const struct isc_format *raw_fmt;
+
+ struct isc_ctrls ctrls;
+ struct work_struct awb_work;
struct mutex lock;
struct list_head subdev_entities;
};
+#define RAW_FMT_IND_START 0
+#define RAW_FMT_IND_END 11
+#define ISC_FMT_IND_START 12
+#define ISC_FMT_IND_END 14
+
static struct isc_format isc_formats[] = {
- { V4L2_PIX_FMT_SBGGR8, MEDIA_BUS_FMT_SBGGR8_1X8,
- 1, ISC_PFE_CFG0_BPS_EIGHT, ISC_RLP_CFG_MODE_DAT8,
- ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, false },
- { V4L2_PIX_FMT_SGBRG8, MEDIA_BUS_FMT_SGBRG8_1X8,
- 1, ISC_PFE_CFG0_BPS_EIGHT, ISC_RLP_CFG_MODE_DAT8,
- ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, false },
- { V4L2_PIX_FMT_SGRBG8, MEDIA_BUS_FMT_SGRBG8_1X8,
- 1, ISC_PFE_CFG0_BPS_EIGHT, ISC_RLP_CFG_MODE_DAT8,
- ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, false },
- { V4L2_PIX_FMT_SRGGB8, MEDIA_BUS_FMT_SRGGB8_1X8,
- 1, ISC_PFE_CFG0_BPS_EIGHT, ISC_RLP_CFG_MODE_DAT8,
- ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, false },
-
- { V4L2_PIX_FMT_SBGGR10, MEDIA_BUS_FMT_SBGGR10_1X10,
- 2, ISC_PFG_CFG0_BPS_TEN, ISC_RLP_CFG_MODE_DAT10,
- ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, false },
- { V4L2_PIX_FMT_SGBRG10, MEDIA_BUS_FMT_SGBRG10_1X10,
- 2, ISC_PFG_CFG0_BPS_TEN, ISC_RLP_CFG_MODE_DAT10,
- ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, false },
- { V4L2_PIX_FMT_SGRBG10, MEDIA_BUS_FMT_SGRBG10_1X10,
- 2, ISC_PFG_CFG0_BPS_TEN, ISC_RLP_CFG_MODE_DAT10,
- ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, false },
- { V4L2_PIX_FMT_SRGGB10, MEDIA_BUS_FMT_SRGGB10_1X10,
- 2, ISC_PFG_CFG0_BPS_TEN, ISC_RLP_CFG_MODE_DAT10,
- ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, false },
-
- { V4L2_PIX_FMT_SBGGR12, MEDIA_BUS_FMT_SBGGR12_1X12,
- 2, ISC_PFG_CFG0_BPS_TWELVE, ISC_RLP_CFG_MODE_DAT12,
- ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, false },
- { V4L2_PIX_FMT_SGBRG12, MEDIA_BUS_FMT_SGBRG12_1X12,
- 2, ISC_PFG_CFG0_BPS_TWELVE, ISC_RLP_CFG_MODE_DAT12,
- ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, false },
- { V4L2_PIX_FMT_SGRBG12, MEDIA_BUS_FMT_SGRBG12_1X12,
- 2, ISC_PFG_CFG0_BPS_TWELVE, ISC_RLP_CFG_MODE_DAT12,
- ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, false },
- { V4L2_PIX_FMT_SRGGB12, MEDIA_BUS_FMT_SRGGB12_1X12,
- 2, ISC_PFG_CFG0_BPS_TWELVE, ISC_RLP_CFG_MODE_DAT12,
- ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, false },
-
- { V4L2_PIX_FMT_YUYV, MEDIA_BUS_FMT_YUYV8_2X8,
- 2, ISC_PFE_CFG0_BPS_EIGHT, ISC_RLP_CFG_MODE_DAT8,
- ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, false },
+ { V4L2_PIX_FMT_SBGGR8, MEDIA_BUS_FMT_SBGGR8_1X8, 8,
+ ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_DAT8,
+ ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+ { V4L2_PIX_FMT_SGBRG8, MEDIA_BUS_FMT_SGBRG8_1X8, 8,
+ ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_GBGB, ISC_RLP_CFG_MODE_DAT8,
+ ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+ { V4L2_PIX_FMT_SGRBG8, MEDIA_BUS_FMT_SGRBG8_1X8, 8,
+ ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_GRGR, ISC_RLP_CFG_MODE_DAT8,
+ ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+ { V4L2_PIX_FMT_SRGGB8, MEDIA_BUS_FMT_SRGGB8_1X8, 8,
+ ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_RGRG, ISC_RLP_CFG_MODE_DAT8,
+ ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+
+ { V4L2_PIX_FMT_SBGGR10, MEDIA_BUS_FMT_SBGGR10_1X10, 16,
+ ISC_PFG_CFG0_BPS_TEN, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_DAT10,
+ ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+ { V4L2_PIX_FMT_SGBRG10, MEDIA_BUS_FMT_SGBRG10_1X10, 16,
+ ISC_PFG_CFG0_BPS_TEN, ISC_BAY_CFG_GBGB, ISC_RLP_CFG_MODE_DAT10,
+ ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+ { V4L2_PIX_FMT_SGRBG10, MEDIA_BUS_FMT_SGRBG10_1X10, 16,
+ ISC_PFG_CFG0_BPS_TEN, ISC_BAY_CFG_GRGR, ISC_RLP_CFG_MODE_DAT10,
+ ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+ { V4L2_PIX_FMT_SRGGB10, MEDIA_BUS_FMT_SRGGB10_1X10, 16,
+ ISC_PFG_CFG0_BPS_TEN, ISC_BAY_CFG_RGRG, ISC_RLP_CFG_MODE_DAT10,
+ ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+
+ { V4L2_PIX_FMT_SBGGR12, MEDIA_BUS_FMT_SBGGR12_1X12, 16,
+ ISC_PFG_CFG0_BPS_TWELVE, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_DAT12,
+ ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+ { V4L2_PIX_FMT_SGBRG12, MEDIA_BUS_FMT_SGBRG12_1X12, 16,
+ ISC_PFG_CFG0_BPS_TWELVE, ISC_BAY_CFG_GBGB, ISC_RLP_CFG_MODE_DAT12,
+ ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+ { V4L2_PIX_FMT_SGRBG12, MEDIA_BUS_FMT_SGRBG12_1X12, 16,
+ ISC_PFG_CFG0_BPS_TWELVE, ISC_BAY_CFG_GRGR, ISC_RLP_CFG_MODE_DAT12,
+ ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+ { V4L2_PIX_FMT_SRGGB12, MEDIA_BUS_FMT_SRGGB12_1X12, 16,
+ ISC_PFG_CFG0_BPS_TWELVE, ISC_BAY_CFG_RGRG, ISC_RLP_CFG_MODE_DAT12,
+ ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+
+ { V4L2_PIX_FMT_YUV420, 0x0, 12,
+ ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_YYCC,
+ ISC_DCFG_IMODE_YC420P | ISC_DCFG_YMBSIZE_BEATS8 |
+ ISC_DCFG_CMBSIZE_BEATS8, ISC_DCTRL_DVIEW_PLANAR, 0x7fb,
+ false, false },
+ { V4L2_PIX_FMT_YUV422P, 0x0, 16,
+ ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_YYCC,
+ ISC_DCFG_IMODE_YC422P | ISC_DCFG_YMBSIZE_BEATS8 |
+ ISC_DCFG_CMBSIZE_BEATS8, ISC_DCTRL_DVIEW_PLANAR, 0x3fb,
+ false, false },
+ { V4L2_PIX_FMT_RGB565, MEDIA_BUS_FMT_RGB565_2X8_LE, 16,
+ ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_RGB565,
+ ISC_DCFG_IMODE_PACKED16, ISC_DCTRL_DVIEW_PACKED, 0x7b,
+ false, false },
+
+ { V4L2_PIX_FMT_YUYV, MEDIA_BUS_FMT_YUYV8_2X8, 16,
+ ISC_PFE_CFG0_BPS_EIGHT, ISC_BAY_CFG_BGBG, ISC_RLP_CFG_MODE_DAT8,
+ ISC_DCFG_IMODE_PACKED8, ISC_DCTRL_DVIEW_PACKED, 0x0,
+ false, false },
+};
+
+#define GAMMA_MAX 2
+#define GAMMA_ENTRIES 64
+
+/* Gamma table with gamma 1/2.2 */
+static const u32 isc_gamma_table[GAMMA_MAX + 1][GAMMA_ENTRIES] = {
+ /* 0 --> gamma 1/1.8 */
+ { 0x65, 0x66002F, 0x950025, 0xBB0020, 0xDB001D, 0xF8001A,
+ 0x1130018, 0x12B0017, 0x1420016, 0x1580014, 0x16D0013, 0x1810012,
+ 0x1940012, 0x1A60012, 0x1B80011, 0x1C90010, 0x1DA0010, 0x1EA000F,
+ 0x1FA000F, 0x209000F, 0x218000F, 0x227000E, 0x235000E, 0x243000E,
+ 0x251000E, 0x25F000D, 0x26C000D, 0x279000D, 0x286000D, 0x293000C,
+ 0x2A0000C, 0x2AC000C, 0x2B8000C, 0x2C4000C, 0x2D0000B, 0x2DC000B,
+ 0x2E7000B, 0x2F3000B, 0x2FE000B, 0x309000B, 0x314000B, 0x31F000A,
+ 0x32A000A, 0x334000B, 0x33F000A, 0x349000A, 0x354000A, 0x35E000A,
+ 0x368000A, 0x372000A, 0x37C000A, 0x386000A, 0x3900009, 0x399000A,
+ 0x3A30009, 0x3AD0009, 0x3B60009, 0x3BF000A, 0x3C90009, 0x3D20009,
+ 0x3DB0009, 0x3E40009, 0x3ED0009, 0x3F60009 },
+
+ /* 1 --> gamma 1/2 */
+ { 0x7F, 0x800034, 0xB50028, 0xDE0021, 0x100001E, 0x11E001B,
+ 0x1390019, 0x1520017, 0x16A0015, 0x1800014, 0x1940014, 0x1A80013,
+ 0x1BB0012, 0x1CD0011, 0x1DF0010, 0x1EF0010, 0x200000F, 0x20F000F,
+ 0x21F000E, 0x22D000F, 0x23C000E, 0x24A000E, 0x258000D, 0x265000D,
+ 0x273000C, 0x27F000D, 0x28C000C, 0x299000C, 0x2A5000C, 0x2B1000B,
+ 0x2BC000C, 0x2C8000B, 0x2D3000C, 0x2DF000B, 0x2EA000A, 0x2F5000A,
+ 0x2FF000B, 0x30A000A, 0x314000B, 0x31F000A, 0x329000A, 0x333000A,
+ 0x33D0009, 0x3470009, 0x350000A, 0x35A0009, 0x363000A, 0x36D0009,
+ 0x3760009, 0x37F0009, 0x3880009, 0x3910009, 0x39A0009, 0x3A30009,
+ 0x3AC0008, 0x3B40009, 0x3BD0008, 0x3C60008, 0x3CE0008, 0x3D60009,
+ 0x3DF0008, 0x3E70008, 0x3EF0008, 0x3F70008 },
+
+ /* 2 --> gamma 1/2.2 */
+ { 0x99, 0x9B0038, 0xD4002A, 0xFF0023, 0x122001F, 0x141001B,
+ 0x15D0019, 0x1760017, 0x18E0015, 0x1A30015, 0x1B80013, 0x1CC0012,
+ 0x1DE0011, 0x1F00010, 0x2010010, 0x2110010, 0x221000F, 0x230000F,
+ 0x23F000E, 0x24D000E, 0x25B000D, 0x269000C, 0x276000C, 0x283000C,
+ 0x28F000C, 0x29B000C, 0x2A7000C, 0x2B3000B, 0x2BF000B, 0x2CA000B,
+ 0x2D5000B, 0x2E0000A, 0x2EB000A, 0x2F5000A, 0x2FF000A, 0x30A000A,
+ 0x3140009, 0x31E0009, 0x327000A, 0x3310009, 0x33A0009, 0x3440009,
+ 0x34D0009, 0x3560009, 0x35F0009, 0x3680008, 0x3710008, 0x3790009,
+ 0x3820008, 0x38A0008, 0x3930008, 0x39B0008, 0x3A30008, 0x3AB0008,
+ 0x3B30008, 0x3BB0008, 0x3C30008, 0x3CB0007, 0x3D20008, 0x3DA0007,
+ 0x3E20007, 0x3E90007, 0x3F00008, 0x3F80007 },
};
+static unsigned int sensor_preferred = 1;
+module_param(sensor_preferred, uint, 0644);
+MODULE_PARM_DESC(sensor_preferred,
+ "Sensor is preferred to output the specified format (1-on 0-off), default 1");
+
static int isc_clk_enable(struct clk_hw *hw)
{
struct isc_clk *isc_clk = to_isc_clk(hw);
return 0;
}
-static inline void isc_start_dma(struct regmap *regmap,
- struct isc_buffer *frm, u32 dview)
+static inline bool sensor_is_preferred(const struct isc_format *isc_fmt)
{
- dma_addr_t addr;
+ return (sensor_preferred && isc_fmt->sd_support) ||
+ !isc_fmt->isc_support;
+}
- addr = vb2_dma_contig_plane_dma_addr(&frm->vb.vb2_buf, 0);
+static void isc_start_dma(struct isc_device *isc)
+{
+ struct regmap *regmap = isc->regmap;
+ struct v4l2_pix_format *pixfmt = &isc->fmt.fmt.pix;
+ u32 sizeimage = pixfmt->sizeimage;
+ u32 dctrl_dview;
+ dma_addr_t addr0;
+
+ addr0 = vb2_dma_contig_plane_dma_addr(&isc->cur_frm->vb.vb2_buf, 0);
+ regmap_write(regmap, ISC_DAD0, addr0);
+
+ switch (pixfmt->pixelformat) {
+ case V4L2_PIX_FMT_YUV420:
+ regmap_write(regmap, ISC_DAD1, addr0 + (sizeimage * 2) / 3);
+ regmap_write(regmap, ISC_DAD2, addr0 + (sizeimage * 5) / 6);
+ break;
+ case V4L2_PIX_FMT_YUV422P:
+ regmap_write(regmap, ISC_DAD1, addr0 + sizeimage / 2);
+ regmap_write(regmap, ISC_DAD2, addr0 + (sizeimage * 3) / 4);
+ break;
+ default:
+ break;
+ }
+
+ if (sensor_is_preferred(isc->current_fmt))
+ dctrl_dview = ISC_DCTRL_DVIEW_PACKED;
+ else
+ dctrl_dview = isc->current_fmt->reg_dctrl_dview;
- regmap_write(regmap, ISC_DCTRL, dview | ISC_DCTRL_IE_IS);
- regmap_write(regmap, ISC_DAD0, addr);
+ regmap_write(regmap, ISC_DCTRL, dctrl_dview | ISC_DCTRL_IE_IS);
regmap_write(regmap, ISC_CTRLEN, ISC_CTRL_CAPTURE);
}
static void isc_set_pipeline(struct isc_device *isc, u32 pipeline)
{
- u32 val;
+ struct regmap *regmap = isc->regmap;
+ struct isc_ctrls *ctrls = &isc->ctrls;
+ u32 val, bay_cfg;
+ const u32 *gamma;
unsigned int i;
+ /* WB-->CFA-->CC-->GAM-->CSC-->CBC-->SUB422-->SUB420 */
for (i = 0; i < ISC_PIPE_LINE_NODE_NUM; i++) {
val = pipeline & BIT(i) ? 1 : 0;
regmap_field_write(isc->pipeline[i], val);
}
+
+ if (!pipeline)
+ return;
+
+ bay_cfg = isc->raw_fmt->reg_bay_cfg;
+
+ regmap_write(regmap, ISC_WB_CFG, bay_cfg);
+ regmap_write(regmap, ISC_WB_O_RGR, 0x0);
+ regmap_write(regmap, ISC_WB_O_BGR, 0x0);
+ regmap_write(regmap, ISC_WB_G_RGR, ctrls->r_gain | (0x1 << 25));
+ regmap_write(regmap, ISC_WB_G_BGR, ctrls->b_gain | (0x1 << 25));
+
+ regmap_write(regmap, ISC_CFA_CFG, bay_cfg | ISC_CFA_CFG_EITPOL);
+
+ gamma = &isc_gamma_table[ctrls->gamma_index][0];
+ regmap_bulk_write(regmap, ISC_GAM_BENTRY, gamma, GAMMA_ENTRIES);
+ regmap_bulk_write(regmap, ISC_GAM_GENTRY, gamma, GAMMA_ENTRIES);
+ regmap_bulk_write(regmap, ISC_GAM_RENTRY, gamma, GAMMA_ENTRIES);
+
+ /* Convert RGB to YUV */
+ regmap_write(regmap, ISC_CSC_YR_YG, 0x42 | (0x81 << 16));
+ regmap_write(regmap, ISC_CSC_YB_OY, 0x19 | (0x10 << 16));
+ regmap_write(regmap, ISC_CSC_CBR_CBG, 0xFDA | (0xFB6 << 16));
+ regmap_write(regmap, ISC_CSC_CBB_OCB, 0x70 | (0x80 << 16));
+ regmap_write(regmap, ISC_CSC_CRR_CRG, 0x70 | (0xFA2 << 16));
+ regmap_write(regmap, ISC_CSC_CRB_OCR, 0xFEE | (0x80 << 16));
+
+ regmap_write(regmap, ISC_CBC_BRIGHT, ctrls->brightness);
+ regmap_write(regmap, ISC_CBC_CONTRAST, ctrls->contrast);
+}
+
+static int isc_update_profile(struct isc_device *isc)
+{
+ struct regmap *regmap = isc->regmap;
+ u32 sr;
+ int counter = 100;
+
+ regmap_write(regmap, ISC_CTRLEN, ISC_CTRL_UPPRO);
+
+ regmap_read(regmap, ISC_CTRLSR, &sr);
+ while ((sr & ISC_CTRL_UPPRO) && counter--) {
+ usleep_range(1000, 2000);
+ regmap_read(regmap, ISC_CTRLSR, &sr);
+ }
+
+ if (counter < 0) {
+ v4l2_warn(&isc->v4l2_dev, "Time out to update profie\n");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static void isc_set_histogram(struct isc_device *isc)
+{
+ struct regmap *regmap = isc->regmap;
+ struct isc_ctrls *ctrls = &isc->ctrls;
+
+ if (ctrls->awb && (ctrls->hist_stat != HIST_ENABLED)) {
+ regmap_write(regmap, ISC_HIS_CFG, ISC_HIS_CFG_MODE_R |
+ (isc->raw_fmt->reg_bay_cfg << ISC_HIS_CFG_BAYSEL_SHIFT) |
+ ISC_HIS_CFG_RAR);
+ regmap_write(regmap, ISC_HIS_CTRL, ISC_HIS_CTRL_EN);
+ regmap_write(regmap, ISC_INTEN, ISC_INT_HISDONE);
+ ctrls->hist_id = ISC_HIS_CFG_MODE_R;
+ isc_update_profile(isc);
+ regmap_write(regmap, ISC_CTRLEN, ISC_CTRL_HISREQ);
+
+ ctrls->hist_stat = HIST_ENABLED;
+ } else if (!ctrls->awb && (ctrls->hist_stat != HIST_DISABLED)) {
+ regmap_write(regmap, ISC_INTDIS, ISC_INT_HISDONE);
+ regmap_write(regmap, ISC_HIS_CTRL, ISC_HIS_CTRL_DIS);
+
+ ctrls->hist_stat = HIST_DISABLED;
+ }
+}
+
+static inline void isc_get_param(const struct isc_format *fmt,
+ u32 *rlp_mode, u32 *dcfg_imode)
+{
+ switch (fmt->fourcc) {
+ case V4L2_PIX_FMT_SBGGR10:
+ case V4L2_PIX_FMT_SGBRG10:
+ case V4L2_PIX_FMT_SGRBG10:
+ case V4L2_PIX_FMT_SRGGB10:
+ case V4L2_PIX_FMT_SBGGR12:
+ case V4L2_PIX_FMT_SGBRG12:
+ case V4L2_PIX_FMT_SGRBG12:
+ case V4L2_PIX_FMT_SRGGB12:
+ *rlp_mode = fmt->reg_rlp_mode;
+ *dcfg_imode = fmt->reg_dcfg_imode;
+ break;
+ default:
+ *rlp_mode = ISC_RLP_CFG_MODE_DAT8;
+ *dcfg_imode = ISC_DCFG_IMODE_PACKED8;
+ break;
+ }
}
static int isc_configure(struct isc_device *isc)
struct regmap *regmap = isc->regmap;
const struct isc_format *current_fmt = isc->current_fmt;
struct isc_subdev_entity *subdev = isc->current_subdev;
- u32 val, mask;
- int counter = 10;
+ u32 pfe_cfg0, rlp_mode, dcfg_imode, mask, pipeline;
+
+ if (sensor_is_preferred(current_fmt)) {
+ pfe_cfg0 = current_fmt->reg_bps;
+ pipeline = 0x0;
+ isc_get_param(current_fmt, &rlp_mode, &dcfg_imode);
+ isc->ctrls.hist_stat = HIST_INIT;
+ } else {
+ pfe_cfg0 = isc->raw_fmt->reg_bps;
+ pipeline = current_fmt->pipeline;
+ rlp_mode = current_fmt->reg_rlp_mode;
+ dcfg_imode = current_fmt->reg_dcfg_imode;
+ }
- val = current_fmt->reg_bps | subdev->pfe_cfg0 |
- ISC_PFE_CFG0_MODE_PROGRESSIVE;
+ pfe_cfg0 |= subdev->pfe_cfg0 | ISC_PFE_CFG0_MODE_PROGRESSIVE;
mask = ISC_PFE_CFG0_BPS_MASK | ISC_PFE_CFG0_HPOL_LOW |
ISC_PFE_CFG0_VPOL_LOW | ISC_PFE_CFG0_PPOL_LOW |
ISC_PFE_CFG0_MODE_MASK;
- regmap_update_bits(regmap, ISC_PFE_CFG0, mask, val);
+ regmap_update_bits(regmap, ISC_PFE_CFG0, mask, pfe_cfg0);
regmap_update_bits(regmap, ISC_RLP_CFG, ISC_RLP_CFG_MODE_MASK,
- current_fmt->reg_rlp_mode);
+ rlp_mode);
- regmap_update_bits(regmap, ISC_DCFG, ISC_DCFG_IMODE_MASK,
- current_fmt->reg_dcfg_imode);
+ regmap_update_bits(regmap, ISC_DCFG, ISC_DCFG_IMODE_MASK, dcfg_imode);
- /* Disable the pipeline */
- isc_set_pipeline(isc, 0x0);
+ /* Set the pipeline */
+ isc_set_pipeline(isc, pipeline);
- /* Update profile */
- regmap_write(regmap, ISC_CTRLEN, ISC_CTRL_UPPRO);
+ if (pipeline)
+ isc_set_histogram(isc);
- regmap_read(regmap, ISC_CTRLSR, &val);
- while ((val & ISC_CTRL_UPPRO) && counter--) {
- usleep_range(1000, 2000);
- regmap_read(regmap, ISC_CTRLSR, &val);
- }
-
- if (counter < 0)
- return -ETIMEDOUT;
-
- return 0;
+ /* Update profile */
+ return isc_update_profile(isc);
}
static int isc_start_streaming(struct vb2_queue *vq, unsigned int count)
struct isc_buffer *buf;
unsigned long flags;
int ret;
- u32 val;
/* Enable stream on the sub device */
ret = v4l2_subdev_call(isc->current_subdev->sd, video, s_stream, 1);
pm_runtime_get_sync(isc->dev);
- /* Disable all the interrupts */
- regmap_write(isc->regmap, ISC_INTDIS, (u32)~0UL);
-
- /* Clean the interrupt status register */
- regmap_read(regmap, ISC_INTSR, &val);
-
ret = isc_configure(isc);
if (unlikely(ret))
goto err_configure;
struct isc_buffer, list);
list_del(&isc->cur_frm->list);
- isc_start_dma(regmap, isc->cur_frm, isc->current_fmt->reg_dctrl_dview);
+ isc_start_dma(isc);
spin_unlock_irqrestore(&isc->dma_queue_lock, flags);
if (!isc->cur_frm && list_empty(&isc->dma_queue) &&
vb2_is_streaming(vb->vb2_queue)) {
isc->cur_frm = buf;
- isc_start_dma(isc->regmap, isc->cur_frm,
- isc->current_fmt->reg_dctrl_dview);
+ isc_start_dma(isc);
} else
list_add_tail(&buf->list, &isc->dma_queue);
spin_unlock_irqrestore(&isc->dma_queue_lock, flags);
}
static int isc_try_fmt(struct isc_device *isc, struct v4l2_format *f,
- struct isc_format **current_fmt)
+ struct isc_format **current_fmt, u32 *code)
{
struct isc_format *isc_fmt;
struct v4l2_pix_format *pixfmt = &f->fmt.pix;
struct v4l2_subdev_format format = {
.which = V4L2_SUBDEV_FORMAT_TRY,
};
+ u32 mbus_code;
int ret;
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
if (pixfmt->height > ISC_MAX_SUPPORT_HEIGHT)
pixfmt->height = ISC_MAX_SUPPORT_HEIGHT;
- v4l2_fill_mbus_format(&format.format, pixfmt, isc_fmt->mbus_code);
+ if (sensor_is_preferred(isc_fmt))
+ mbus_code = isc_fmt->mbus_code;
+ else
+ mbus_code = isc->raw_fmt->mbus_code;
+
+ v4l2_fill_mbus_format(&format.format, pixfmt, mbus_code);
ret = v4l2_subdev_call(isc->current_subdev->sd, pad, set_fmt,
isc->current_subdev->config, &format);
if (ret < 0)
v4l2_fill_pix_format(pixfmt, &format.format);
pixfmt->field = V4L2_FIELD_NONE;
- pixfmt->bytesperline = pixfmt->width * isc_fmt->bpp;
+ pixfmt->bytesperline = (pixfmt->width * isc_fmt->bpp) >> 3;
pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height;
if (current_fmt)
*current_fmt = isc_fmt;
+ if (code)
+ *code = mbus_code;
+
return 0;
}
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
};
struct isc_format *current_fmt;
+ u32 mbus_code;
int ret;
- ret = isc_try_fmt(isc, f, ¤t_fmt);
+ ret = isc_try_fmt(isc, f, ¤t_fmt, &mbus_code);
if (ret)
return ret;
- v4l2_fill_mbus_format(&format.format, &f->fmt.pix,
- current_fmt->mbus_code);
+ v4l2_fill_mbus_format(&format.format, &f->fmt.pix, mbus_code);
ret = v4l2_subdev_call(isc->current_subdev->sd, pad,
set_fmt, NULL, &format);
if (ret < 0)
{
struct isc_device *isc = video_drvdata(file);
- return isc_try_fmt(isc, f, NULL);
+ return isc_try_fmt(isc, f, NULL, NULL);
}
static int isc_enum_input(struct file *file, void *priv,
if (!isc_fmt)
return -EINVAL;
- fse.code = isc_fmt->mbus_code;
+ if (sensor_is_preferred(isc_fmt))
+ fse.code = isc_fmt->mbus_code;
+ else
+ fse.code = isc->raw_fmt->mbus_code;
ret = v4l2_subdev_call(isc->current_subdev->sd, pad, enum_frame_size,
NULL, &fse);
if (!isc_fmt)
return -EINVAL;
- fie.code = isc_fmt->mbus_code;
+ if (sensor_is_preferred(isc_fmt))
+ fie.code = isc_fmt->mbus_code;
+ else
+ fie.code = isc->raw_fmt->mbus_code;
ret = v4l2_subdev_call(isc->current_subdev->sd, pad,
enum_frame_interval, NULL, &fie);
.vidioc_s_parm = isc_s_parm,
.vidioc_enum_framesizes = isc_enum_framesizes,
.vidioc_enum_frameintervals = isc_enum_frameintervals,
+
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static int isc_open(struct file *file)
u32 isc_intsr, isc_intmask, pending;
irqreturn_t ret = IRQ_NONE;
- spin_lock(&isc->dma_queue_lock);
-
regmap_read(regmap, ISC_INTSR, &isc_intsr);
regmap_read(regmap, ISC_INTMASK, &isc_intmask);
pending = isc_intsr & isc_intmask;
if (likely(pending & ISC_INT_DDONE)) {
+ spin_lock(&isc->dma_queue_lock);
if (isc->cur_frm) {
struct vb2_v4l2_buffer *vbuf = &isc->cur_frm->vb;
struct vb2_buffer *vb = &vbuf->vb2_buf;
struct isc_buffer, list);
list_del(&isc->cur_frm->list);
- isc_start_dma(regmap, isc->cur_frm,
- isc->current_fmt->reg_dctrl_dview);
+ isc_start_dma(isc);
}
if (isc->stop)
complete(&isc->comp);
ret = IRQ_HANDLED;
+ spin_unlock(&isc->dma_queue_lock);
}
- spin_unlock(&isc->dma_queue_lock);
+ if (pending & ISC_INT_HISDONE) {
+ schedule_work(&isc->awb_work);
+ ret = IRQ_HANDLED;
+ }
return ret;
}
+static void isc_hist_count(struct isc_device *isc)
+{
+ struct regmap *regmap = isc->regmap;
+ struct isc_ctrls *ctrls = &isc->ctrls;
+ u32 *hist_count = &ctrls->hist_count[ctrls->hist_id];
+ u32 *hist_entry = &ctrls->hist_entry[0];
+ u32 i;
+
+ regmap_bulk_read(regmap, ISC_HIS_ENTRY, hist_entry, HIST_ENTRIES);
+
+ *hist_count = 0;
+ for (i = 0; i <= HIST_ENTRIES; i++)
+ *hist_count += i * (*hist_entry++);
+}
+
+static void isc_wb_update(struct isc_ctrls *ctrls)
+{
+ u32 *hist_count = &ctrls->hist_count[0];
+ u64 g_count = (u64)hist_count[ISC_HIS_CFG_MODE_GB] << 9;
+ u32 hist_r = hist_count[ISC_HIS_CFG_MODE_R];
+ u32 hist_b = hist_count[ISC_HIS_CFG_MODE_B];
+
+ if (hist_r)
+ ctrls->r_gain = div_u64(g_count, hist_r);
+
+ if (hist_b)
+ ctrls->b_gain = div_u64(g_count, hist_b);
+}
+
+static void isc_awb_work(struct work_struct *w)
+{
+ struct isc_device *isc =
+ container_of(w, struct isc_device, awb_work);
+ struct regmap *regmap = isc->regmap;
+ struct isc_ctrls *ctrls = &isc->ctrls;
+ u32 hist_id = ctrls->hist_id;
+ u32 baysel;
+
+ if (ctrls->hist_stat != HIST_ENABLED)
+ return;
+
+ isc_hist_count(isc);
+
+ if (hist_id != ISC_HIS_CFG_MODE_B) {
+ hist_id++;
+ } else {
+ isc_wb_update(ctrls);
+ hist_id = ISC_HIS_CFG_MODE_R;
+ }
+
+ ctrls->hist_id = hist_id;
+ baysel = isc->raw_fmt->reg_bay_cfg << ISC_HIS_CFG_BAYSEL_SHIFT;
+
+ pm_runtime_get_sync(isc->dev);
+
+ regmap_write(regmap, ISC_HIS_CFG, hist_id | baysel | ISC_HIS_CFG_RAR);
+ isc_update_profile(isc);
+ regmap_write(regmap, ISC_CTRLEN, ISC_CTRL_HISREQ);
+
+ pm_runtime_put_sync(isc->dev);
+}
+
+static int isc_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct isc_device *isc = container_of(ctrl->handler,
+ struct isc_device, ctrls.handler);
+ struct isc_ctrls *ctrls = &isc->ctrls;
+
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ ctrls->brightness = ctrl->val & ISC_CBC_BRIGHT_MASK;
+ break;
+ case V4L2_CID_CONTRAST:
+ ctrls->contrast = ctrl->val & ISC_CBC_CONTRAST_MASK;
+ break;
+ case V4L2_CID_GAMMA:
+ ctrls->gamma_index = ctrl->val;
+ break;
+ case V4L2_CID_AUTO_WHITE_BALANCE:
+ ctrls->awb = ctrl->val;
+ if (ctrls->hist_stat != HIST_ENABLED) {
+ ctrls->r_gain = 0x1 << 9;
+ ctrls->b_gain = 0x1 << 9;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct v4l2_ctrl_ops isc_ctrl_ops = {
+ .s_ctrl = isc_s_ctrl,
+};
+
+static int isc_ctrl_init(struct isc_device *isc)
+{
+ const struct v4l2_ctrl_ops *ops = &isc_ctrl_ops;
+ struct isc_ctrls *ctrls = &isc->ctrls;
+ struct v4l2_ctrl_handler *hdl = &ctrls->handler;
+ int ret;
+
+ ctrls->hist_stat = HIST_INIT;
+
+ ret = v4l2_ctrl_handler_init(hdl, 4);
+ if (ret < 0)
+ return ret;
+
+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BRIGHTNESS, -1024, 1023, 1, 0);
+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -2048, 2047, 1, 256);
+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAMMA, 0, GAMMA_MAX, 1, 2);
+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1);
+
+ v4l2_ctrl_handler_setup(hdl);
+
+ return 0;
+}
+
+
static int isc_async_bound(struct v4l2_async_notifier *notifier,
struct v4l2_subdev *subdev,
struct v4l2_async_subdev *asd)
{
struct isc_device *isc = container_of(notifier->v4l2_dev,
struct isc_device, v4l2_dev);
-
+ cancel_work_sync(&isc->awb_work);
video_unregister_device(&isc->video_dev);
if (isc->current_subdev->config)
v4l2_subdev_free_pad_config(isc->current_subdev->config);
+ v4l2_ctrl_handler_free(&isc->ctrls.handler);
}
static struct isc_format *find_format_by_code(unsigned int code, int *index)
{
struct isc_format *fmt;
struct v4l2_subdev *subdev = isc->current_subdev->sd;
- int num_fmts = 0, i, j;
+ unsigned int num_fmts, i, j;
struct v4l2_subdev_mbus_code_enum mbus_code = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
};
fmt = &isc_formats[0];
for (i = 0; i < ARRAY_SIZE(isc_formats); i++) {
- fmt->support = false;
+ fmt->isc_support = false;
+ fmt->sd_support = false;
+
fmt++;
}
if (!fmt)
continue;
- fmt->support = true;
- num_fmts++;
+ fmt->sd_support = true;
+
+ if (i <= RAW_FMT_IND_END) {
+ for (j = ISC_FMT_IND_START; j <= ISC_FMT_IND_END; j++)
+ isc_formats[j].isc_support = true;
+
+ isc->raw_fmt = fmt;
+ }
+ }
+
+ for (i = 0, num_fmts = 0; i < ARRAY_SIZE(isc_formats); i++) {
+ if (fmt->isc_support || fmt->sd_support)
+ num_fmts++;
+
+ fmt++;
}
if (!num_fmts)
fmt = &isc_formats[0];
for (i = 0, j = 0; i < ARRAY_SIZE(isc_formats); i++) {
- if (fmt->support)
+ if (fmt->isc_support || fmt->sd_support)
isc->user_formats[j++] = fmt;
fmt++;
};
int ret;
- ret = isc_try_fmt(isc, &f, NULL);
+ ret = isc_try_fmt(isc, &f, NULL, NULL);
if (ret)
return ret;
struct vb2_queue *q = &isc->vb2_vidq;
int ret;
+ ret = v4l2_device_register_subdev_nodes(&isc->v4l2_dev);
+ if (ret < 0) {
+ v4l2_err(&isc->v4l2_dev, "Failed to register subdev nodes\n");
+ return ret;
+ }
+
isc->current_subdev = container_of(notifier,
struct isc_subdev_entity, notifier);
sd_entity = isc->current_subdev;
return ret;
}
+ ret = isc_ctrl_init(isc);
+ if (ret) {
+ v4l2_err(&isc->v4l2_dev, "Init isc ctrols failed: %d\n", ret);
+ return ret;
+ }
+
+ INIT_WORK(&isc->awb_work, isc_awb_work);
+
/* Register video device */
strlcpy(vdev->name, ATMEL_ISC_NAME, sizeof(vdev->name));
vdev->release = video_device_release_empty;
vdev->vfl_dir = VFL_DIR_RX;
vdev->queue = q;
vdev->lock = &isc->lock;
- vdev->ctrl_handler = isc->current_subdev->sd->ctrl_handler;
+ vdev->ctrl_handler = &isc->ctrls.handler;
vdev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE;
video_set_drvdata(vdev, isc);
projects / mirror_ubuntu-artful-kernel.git / commitdiff