// SPDX-License-Identifier: GPL-2.0-only /* * drivers/media/i2c/smiapp/smiapp-core.c * * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2010--2012 Nokia Corporation * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * Based on smiapp driver by Vimarsh Zutshi * Based on jt8ev1.c by Vimarsh Zutshi * Based on smia-sensor.c by Tuukka Toivonen <tuukkat76@gmail.com> */ #include <linux/clk.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/gpio.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/pm_runtime.h> #include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/smiapp.h> #include <linux/v4l2-mediabus.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-device.h> #include "smiapp.h" #define SMIAPP_ALIGN_DIM(dim, flags) \ <------>((flags) & V4L2_SEL_FLAG_GE \ <------> ? ALIGN((dim), 2) \ <------> : (dim) & ~1) /* * smiapp_module_idents - supported camera modules */ static const struct smiapp_module_ident smiapp_module_idents[] = { <------>SMIAPP_IDENT_L(0x01, 0x022b, -1, "vs6555"), <------>SMIAPP_IDENT_L(0x01, 0x022e, -1, "vw6558"), <------>SMIAPP_IDENT_L(0x07, 0x7698, -1, "ovm7698"), <------>SMIAPP_IDENT_L(0x0b, 0x4242, -1, "smiapp-003"), <------>SMIAPP_IDENT_L(0x0c, 0x208a, -1, "tcm8330md"), <------>SMIAPP_IDENT_LQ(0x0c, 0x2134, -1, "tcm8500md", &smiapp_tcm8500md_quirk), <------>SMIAPP_IDENT_L(0x0c, 0x213e, -1, "et8en2"), <------>SMIAPP_IDENT_L(0x0c, 0x2184, -1, "tcm8580md"), <------>SMIAPP_IDENT_LQ(0x0c, 0x560f, -1, "jt8ew9", &smiapp_jt8ew9_quirk), <------>SMIAPP_IDENT_LQ(0x10, 0x4141, -1, "jt8ev1", &smiapp_jt8ev1_quirk), <------>SMIAPP_IDENT_LQ(0x10, 0x4241, -1, "imx125es", &smiapp_imx125es_quirk), }; /* * * Dynamic Capability Identification * */ static u32 smiapp_get_limit(struct smiapp_sensor *sensor, <------><------><------><------> unsigned int limit) { <------>if (WARN_ON(limit >= SMIAPP_LIMIT_LAST)) <------><------>return 1; <------>return sensor->limits[limit]; } #define SMIA_LIM(sensor, limit) \ <------>smiapp_get_limit(sensor, SMIAPP_LIMIT_##limit) static int smiapp_read_all_smia_limits(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>unsigned int i; <------>int rval; <------>for (i = 0; i < SMIAPP_LIMIT_LAST; i++) { <------><------>u32 val; <------><------>rval = smiapp_read( <------><------><------>sensor, smiapp_reg_limits[i].addr, &val); <------><------>if (rval) <------><------><------>return rval; <------><------>sensor->limits[i] = val; <------><------>dev_dbg(&client->dev, "0x%8.8x \"%s\" = %u, 0x%x\n", <------><------><------>smiapp_reg_limits[i].addr, <------><------><------>smiapp_reg_limits[i].what, val, val); <------>} <------>if (SMIA_LIM(sensor, SCALER_N_MIN) == 0) <------><------>smiapp_replace_limit(sensor, SMIAPP_LIMIT_SCALER_N_MIN, 16); <------>return 0; } static int smiapp_read_frame_fmt(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>u32 fmt_model_type, fmt_model_subtype, ncol_desc, nrow_desc; <------>unsigned int i; <------>int pixel_count = 0; <------>int line_count = 0; <------>int rval; <------>rval = smiapp_read(sensor, SMIAPP_REG_U8_FRAME_FORMAT_MODEL_TYPE, <------><------><------> &fmt_model_type); <------>if (rval) <------><------>return rval; <------>rval = smiapp_read(sensor, SMIAPP_REG_U8_FRAME_FORMAT_MODEL_SUBTYPE, <------><------><------> &fmt_model_subtype); <------>if (rval) <------><------>return rval; <------>ncol_desc = (fmt_model_subtype <------><------> & SMIAPP_FRAME_FORMAT_MODEL_SUBTYPE_NCOLS_MASK) <------><------>>> SMIAPP_FRAME_FORMAT_MODEL_SUBTYPE_NCOLS_SHIFT; <------>nrow_desc = fmt_model_subtype <------><------>& SMIAPP_FRAME_FORMAT_MODEL_SUBTYPE_NROWS_MASK; <------>dev_dbg(&client->dev, "format_model_type %s\n", <------><------>fmt_model_type == SMIAPP_FRAME_FORMAT_MODEL_TYPE_2BYTE <------><------>? "2 byte" : <------><------>fmt_model_type == SMIAPP_FRAME_FORMAT_MODEL_TYPE_4BYTE <------><------>? "4 byte" : "is simply bad"); <------>for (i = 0; i < ncol_desc + nrow_desc; i++) { <------><------>u32 desc; <------><------>u32 pixelcode; <------><------>u32 pixels; <------><------>char *which; <------><------>char *what; <------><------>u32 reg; <------><------>if (fmt_model_type == SMIAPP_FRAME_FORMAT_MODEL_TYPE_2BYTE) { <------><------><------>reg = SMIAPP_REG_U16_FRAME_FORMAT_DESCRIPTOR_2(i); <------><------><------>rval = smiapp_read(sensor, reg, &desc); <------><------><------>if (rval) <------><------><------><------>return rval; <------><------><------>pixelcode = <------><------><------><------>(desc <------><------><------><------> & SMIAPP_FRAME_FORMAT_DESC_2_PIXELCODE_MASK) <------><------><------><------>>> SMIAPP_FRAME_FORMAT_DESC_2_PIXELCODE_SHIFT; <------><------><------>pixels = desc & SMIAPP_FRAME_FORMAT_DESC_2_PIXELS_MASK; <------><------>} else if (fmt_model_type <------><------><------> == SMIAPP_FRAME_FORMAT_MODEL_TYPE_4BYTE) { <------><------><------>reg = SMIAPP_REG_U32_FRAME_FORMAT_DESCRIPTOR_4(i); <------><------><------>rval = smiapp_read(sensor, reg, &desc); <------><------><------>if (rval) <------><------><------><------>return rval; <------><------><------>pixelcode = <------><------><------><------>(desc <------><------><------><------> & SMIAPP_FRAME_FORMAT_DESC_4_PIXELCODE_MASK) <------><------><------><------>>> SMIAPP_FRAME_FORMAT_DESC_4_PIXELCODE_SHIFT; <------><------><------>pixels = desc & SMIAPP_FRAME_FORMAT_DESC_4_PIXELS_MASK; <------><------>} else { <------><------><------>dev_dbg(&client->dev, <------><------><------><------>"invalid frame format model type %d\n", <------><------><------><------>fmt_model_type); <------><------><------>return -EINVAL; <------><------>} <------><------>if (i < ncol_desc) <------><------><------>which = "columns"; <------><------>else <------><------><------>which = "rows"; <------><------>switch (pixelcode) { <------><------>case SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_EMBEDDED: <------><------><------>what = "embedded"; <------><------><------>break; <------><------>case SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_DUMMY: <------><------><------>what = "dummy"; <------><------><------>break; <------><------>case SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_BLACK: <------><------><------>what = "black"; <------><------><------>break; <------><------>case SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_DARK: <------><------><------>what = "dark"; <------><------><------>break; <------><------>case SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_VISIBLE: <------><------><------>what = "visible"; <------><------><------>break; <------><------>default: <------><------><------>what = "invalid"; <------><------><------>break; <------><------>} <------><------>dev_dbg(&client->dev, <------><------><------>"0x%8.8x %s pixels: %d %s (pixelcode %u)\n", reg, <------><------><------>what, pixels, which, pixelcode); <------><------>if (i < ncol_desc) { <------><------><------>if (pixelcode == <------><------><------> SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_VISIBLE) <------><------><------><------>sensor->visible_pixel_start = pixel_count; <------><------><------>pixel_count += pixels; <------><------><------>continue; <------><------>} <------><------>/* Handle row descriptors */ <------><------>switch (pixelcode) { <------><------>case SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_EMBEDDED: <------><------><------>if (sensor->embedded_end) <------><------><------><------>break; <------><------><------>sensor->embedded_start = line_count; <------><------><------>sensor->embedded_end = line_count + pixels; <------><------><------>break; <------><------>case SMIAPP_FRAME_FORMAT_DESC_PIXELCODE_VISIBLE: <------><------><------>sensor->image_start = line_count; <------><------><------>break; <------><------>} <------><------>line_count += pixels; <------>} <------>if (sensor->embedded_end > sensor->image_start) { <------><------>dev_dbg(&client->dev, <------><------><------>"adjusting image start line to %u (was %u)\n", <------><------><------>sensor->embedded_end, sensor->image_start); <------><------>sensor->image_start = sensor->embedded_end; <------>} <------>dev_dbg(&client->dev, "embedded data from lines %d to %d\n", <------><------>sensor->embedded_start, sensor->embedded_end); <------>dev_dbg(&client->dev, "image data starts at line %d\n", <------><------>sensor->image_start); <------>return 0; } static int smiapp_pll_configure(struct smiapp_sensor *sensor) { <------>struct smiapp_pll *pll = &sensor->pll; <------>int rval; <------>rval = smiapp_write( <------><------>sensor, SMIAPP_REG_U16_VT_PIX_CLK_DIV, pll->vt.pix_clk_div); <------>if (rval < 0) <------><------>return rval; <------>rval = smiapp_write( <------><------>sensor, SMIAPP_REG_U16_VT_SYS_CLK_DIV, pll->vt.sys_clk_div); <------>if (rval < 0) <------><------>return rval; <------>rval = smiapp_write( <------><------>sensor, SMIAPP_REG_U16_PRE_PLL_CLK_DIV, pll->pre_pll_clk_div); <------>if (rval < 0) <------><------>return rval; <------>rval = smiapp_write( <------><------>sensor, SMIAPP_REG_U16_PLL_MULTIPLIER, pll->pll_multiplier); <------>if (rval < 0) <------><------>return rval; <------>/* Lane op clock ratio does not apply here. */ <------>rval = smiapp_write( <------><------>sensor, SMIAPP_REG_U32_REQUESTED_LINK_BIT_RATE_MBPS, <------><------>DIV_ROUND_UP(pll->op.sys_clk_freq_hz, 1000000 / 256 / 256)); <------>if (rval < 0 || sensor->minfo.smiapp_profile == SMIAPP_PROFILE_0) <------><------>return rval; <------>rval = smiapp_write( <------><------>sensor, SMIAPP_REG_U16_OP_PIX_CLK_DIV, pll->op.pix_clk_div); <------>if (rval < 0) <------><------>return rval; <------>return smiapp_write( <------><------>sensor, SMIAPP_REG_U16_OP_SYS_CLK_DIV, pll->op.sys_clk_div); } static int smiapp_pll_try(struct smiapp_sensor *sensor, <------><------><------> struct smiapp_pll *pll) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>struct smiapp_pll_limits lim = { <------><------>.min_pre_pll_clk_div = SMIA_LIM(sensor, MIN_PRE_PLL_CLK_DIV), <------><------>.max_pre_pll_clk_div = SMIA_LIM(sensor, MAX_PRE_PLL_CLK_DIV), <------><------>.min_pll_ip_freq_hz = SMIA_LIM(sensor, MIN_PLL_IP_FREQ_HZ), <------><------>.max_pll_ip_freq_hz = SMIA_LIM(sensor, MAX_PLL_IP_FREQ_HZ), <------><------>.min_pll_multiplier = SMIA_LIM(sensor, MIN_PLL_MULTIPLIER), <------><------>.max_pll_multiplier = SMIA_LIM(sensor, MAX_PLL_MULTIPLIER), <------><------>.min_pll_op_freq_hz = SMIA_LIM(sensor, MIN_PLL_OP_FREQ_HZ), <------><------>.max_pll_op_freq_hz = SMIA_LIM(sensor, MAX_PLL_OP_FREQ_HZ), <------><------>.op.min_sys_clk_div = SMIA_LIM(sensor, MIN_OP_SYS_CLK_DIV), <------><------>.op.max_sys_clk_div = SMIA_LIM(sensor, MAX_OP_SYS_CLK_DIV), <------><------>.op.min_pix_clk_div = SMIA_LIM(sensor, MIN_OP_PIX_CLK_DIV), <------><------>.op.max_pix_clk_div = SMIA_LIM(sensor, MAX_OP_PIX_CLK_DIV), <------><------>.op.min_sys_clk_freq_hz = SMIA_LIM(sensor, MIN_OP_SYS_CLK_FREQ_HZ), <------><------>.op.max_sys_clk_freq_hz = SMIA_LIM(sensor, MAX_OP_SYS_CLK_FREQ_HZ), <------><------>.op.min_pix_clk_freq_hz = SMIA_LIM(sensor, MIN_OP_PIX_CLK_FREQ_HZ), <------><------>.op.max_pix_clk_freq_hz = SMIA_LIM(sensor, MAX_OP_PIX_CLK_FREQ_HZ), <------><------>.vt.min_sys_clk_div = SMIA_LIM(sensor, MIN_VT_SYS_CLK_DIV), <------><------>.vt.max_sys_clk_div = SMIA_LIM(sensor, MAX_VT_SYS_CLK_DIV), <------><------>.vt.min_pix_clk_div = SMIA_LIM(sensor, MIN_VT_PIX_CLK_DIV), <------><------>.vt.max_pix_clk_div = SMIA_LIM(sensor, MAX_VT_PIX_CLK_DIV), <------><------>.vt.min_sys_clk_freq_hz = SMIA_LIM(sensor, MIN_VT_SYS_CLK_FREQ_HZ), <------><------>.vt.max_sys_clk_freq_hz = SMIA_LIM(sensor, MAX_VT_SYS_CLK_FREQ_HZ), <------><------>.vt.min_pix_clk_freq_hz = SMIA_LIM(sensor, MIN_VT_PIX_CLK_FREQ_HZ), <------><------>.vt.max_pix_clk_freq_hz = SMIA_LIM(sensor, MAX_VT_PIX_CLK_FREQ_HZ), <------><------>.min_line_length_pck_bin = SMIA_LIM(sensor, MIN_LINE_LENGTH_PCK_BIN), <------><------>.min_line_length_pck = SMIA_LIM(sensor, MIN_LINE_LENGTH_PCK), <------>}; <------>return smiapp_pll_calculate(&client->dev, &lim, pll); } static int smiapp_pll_update(struct smiapp_sensor *sensor) { <------>struct smiapp_pll *pll = &sensor->pll; <------>int rval; <------>pll->binning_horizontal = sensor->binning_horizontal; <------>pll->binning_vertical = sensor->binning_vertical; <------>pll->link_freq = <------><------>sensor->link_freq->qmenu_int[sensor->link_freq->val]; <------>pll->scale_m = sensor->scale_m; <------>pll->bits_per_pixel = sensor->csi_format->compressed; <------>rval = smiapp_pll_try(sensor, pll); <------>if (rval < 0) <------><------>return rval; <------>__v4l2_ctrl_s_ctrl_int64(sensor->pixel_rate_parray, <------><------><------><------> pll->pixel_rate_pixel_array); <------>__v4l2_ctrl_s_ctrl_int64(sensor->pixel_rate_csi, pll->pixel_rate_csi); <------>return 0; } /* * * V4L2 Controls handling * */ static void __smiapp_update_exposure_limits(struct smiapp_sensor *sensor) { <------>struct v4l2_ctrl *ctrl = sensor->exposure; <------>int max; <------>max = sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].height <------><------>+ sensor->vblank->val <------><------>- SMIA_LIM(sensor, COARSE_INTEGRATION_TIME_MAX_MARGIN); <------>__v4l2_ctrl_modify_range(ctrl, ctrl->minimum, max, ctrl->step, max); } /* * Order matters. * * 1. Bits-per-pixel, descending. * 2. Bits-per-pixel compressed, descending. * 3. Pixel order, same as in pixel_order_str. Formats for all four pixel * orders must be defined. */ static const struct smiapp_csi_data_format smiapp_csi_data_formats[] = { <------>{ MEDIA_BUS_FMT_SGRBG16_1X16, 16, 16, SMIAPP_PIXEL_ORDER_GRBG, }, <------>{ MEDIA_BUS_FMT_SRGGB16_1X16, 16, 16, SMIAPP_PIXEL_ORDER_RGGB, }, <------>{ MEDIA_BUS_FMT_SBGGR16_1X16, 16, 16, SMIAPP_PIXEL_ORDER_BGGR, }, <------>{ MEDIA_BUS_FMT_SGBRG16_1X16, 16, 16, SMIAPP_PIXEL_ORDER_GBRG, }, <------>{ MEDIA_BUS_FMT_SGRBG14_1X14, 14, 14, SMIAPP_PIXEL_ORDER_GRBG, }, <------>{ MEDIA_BUS_FMT_SRGGB14_1X14, 14, 14, SMIAPP_PIXEL_ORDER_RGGB, }, <------>{ MEDIA_BUS_FMT_SBGGR14_1X14, 14, 14, SMIAPP_PIXEL_ORDER_BGGR, }, <------>{ MEDIA_BUS_FMT_SGBRG14_1X14, 14, 14, SMIAPP_PIXEL_ORDER_GBRG, }, <------>{ MEDIA_BUS_FMT_SGRBG12_1X12, 12, 12, SMIAPP_PIXEL_ORDER_GRBG, }, <------>{ MEDIA_BUS_FMT_SRGGB12_1X12, 12, 12, SMIAPP_PIXEL_ORDER_RGGB, }, <------>{ MEDIA_BUS_FMT_SBGGR12_1X12, 12, 12, SMIAPP_PIXEL_ORDER_BGGR, }, <------>{ MEDIA_BUS_FMT_SGBRG12_1X12, 12, 12, SMIAPP_PIXEL_ORDER_GBRG, }, <------>{ MEDIA_BUS_FMT_SGRBG10_1X10, 10, 10, SMIAPP_PIXEL_ORDER_GRBG, }, <------>{ MEDIA_BUS_FMT_SRGGB10_1X10, 10, 10, SMIAPP_PIXEL_ORDER_RGGB, }, <------>{ MEDIA_BUS_FMT_SBGGR10_1X10, 10, 10, SMIAPP_PIXEL_ORDER_BGGR, }, <------>{ MEDIA_BUS_FMT_SGBRG10_1X10, 10, 10, SMIAPP_PIXEL_ORDER_GBRG, }, <------>{ MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8, 10, 8, SMIAPP_PIXEL_ORDER_GRBG, }, <------>{ MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8, 10, 8, SMIAPP_PIXEL_ORDER_RGGB, }, <------>{ MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8, 10, 8, SMIAPP_PIXEL_ORDER_BGGR, }, <------>{ MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8, 10, 8, SMIAPP_PIXEL_ORDER_GBRG, }, <------>{ MEDIA_BUS_FMT_SGRBG8_1X8, 8, 8, SMIAPP_PIXEL_ORDER_GRBG, }, <------>{ MEDIA_BUS_FMT_SRGGB8_1X8, 8, 8, SMIAPP_PIXEL_ORDER_RGGB, }, <------>{ MEDIA_BUS_FMT_SBGGR8_1X8, 8, 8, SMIAPP_PIXEL_ORDER_BGGR, }, <------>{ MEDIA_BUS_FMT_SGBRG8_1X8, 8, 8, SMIAPP_PIXEL_ORDER_GBRG, }, }; static const char *pixel_order_str[] = { "GRBG", "RGGB", "BGGR", "GBRG" }; #define to_csi_format_idx(fmt) (((unsigned long)(fmt) \ <------><------><------><------> - (unsigned long)smiapp_csi_data_formats) \ <------><------><------><------>/ sizeof(*smiapp_csi_data_formats)) static u32 smiapp_pixel_order(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>int flip = 0; <------>if (sensor->hflip) { <------><------>if (sensor->hflip->val) <------><------><------>flip |= SMIAPP_IMAGE_ORIENTATION_HFLIP; <------><------>if (sensor->vflip->val) <------><------><------>flip |= SMIAPP_IMAGE_ORIENTATION_VFLIP; <------>} <------>flip ^= sensor->hvflip_inv_mask; <------>dev_dbg(&client->dev, "flip %d\n", flip); <------>return sensor->default_pixel_order ^ flip; } static void smiapp_update_mbus_formats(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>unsigned int csi_format_idx = <------><------>to_csi_format_idx(sensor->csi_format) & ~3; <------>unsigned int internal_csi_format_idx = <------><------>to_csi_format_idx(sensor->internal_csi_format) & ~3; <------>unsigned int pixel_order = smiapp_pixel_order(sensor); <------>sensor->mbus_frame_fmts = <------><------>sensor->default_mbus_frame_fmts << pixel_order; <------>sensor->csi_format = <------><------>&smiapp_csi_data_formats[csi_format_idx + pixel_order]; <------>sensor->internal_csi_format = <------><------>&smiapp_csi_data_formats[internal_csi_format_idx <------><------><------><------><------> + pixel_order]; <------>BUG_ON(max(internal_csi_format_idx, csi_format_idx) + pixel_order <------> >= ARRAY_SIZE(smiapp_csi_data_formats)); <------>dev_dbg(&client->dev, "new pixel order %s\n", <------><------>pixel_order_str[pixel_order]); } static const char * const smiapp_test_patterns[] = { <------>"Disabled", <------>"Solid Colour", <------>"Eight Vertical Colour Bars", <------>"Colour Bars With Fade to Grey", <------>"Pseudorandom Sequence (PN9)", }; static int smiapp_set_ctrl(struct v4l2_ctrl *ctrl) { <------>struct smiapp_sensor *sensor = <------><------>container_of(ctrl->handler, struct smiapp_subdev, ctrl_handler) <------><------><------>->sensor; <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>int pm_status; <------>u32 orient = 0; <------>unsigned int i; <------>int exposure; <------>int rval; <------>switch (ctrl->id) { <------>case V4L2_CID_HFLIP: <------>case V4L2_CID_VFLIP: <------><------>if (sensor->streaming) <------><------><------>return -EBUSY; <------><------>if (sensor->hflip->val) <------><------><------>orient |= SMIAPP_IMAGE_ORIENTATION_HFLIP; <------><------>if (sensor->vflip->val) <------><------><------>orient |= SMIAPP_IMAGE_ORIENTATION_VFLIP; <------><------>orient ^= sensor->hvflip_inv_mask; <------><------>smiapp_update_mbus_formats(sensor); <------><------>break; <------>case V4L2_CID_VBLANK: <------><------>exposure = sensor->exposure->val; <------><------>__smiapp_update_exposure_limits(sensor); <------><------>if (exposure > sensor->exposure->maximum) { <------><------><------>sensor->exposure->val = sensor->exposure->maximum; <------><------><------>rval = smiapp_set_ctrl(sensor->exposure); <------><------><------>if (rval < 0) <------><------><------><------>return rval; <------><------>} <------><------>break; <------>case V4L2_CID_LINK_FREQ: <------><------>if (sensor->streaming) <------><------><------>return -EBUSY; <------><------>rval = smiapp_pll_update(sensor); <------><------>if (rval) <------><------><------>return rval; <------><------>return 0; <------>case V4L2_CID_TEST_PATTERN: <------><------>for (i = 0; i < ARRAY_SIZE(sensor->test_data); i++) <------><------><------>v4l2_ctrl_activate( <------><------><------><------>sensor->test_data[i], <------><------><------><------>ctrl->val == <------><------><------><------>V4L2_SMIAPP_TEST_PATTERN_MODE_SOLID_COLOUR); <------><------>break; <------>} <------>pm_status = pm_runtime_get_if_active(&client->dev, true); <------>if (!pm_status) <------><------>return 0; <------>switch (ctrl->id) { <------>case V4L2_CID_ANALOGUE_GAIN: <------><------>rval = smiapp_write( <------><------><------>sensor, <------><------><------>SMIAPP_REG_U16_ANALOGUE_GAIN_CODE_GLOBAL, ctrl->val); <------><------>break; <------>case V4L2_CID_EXPOSURE: <------><------>rval = smiapp_write( <------><------><------>sensor, <------><------><------>SMIAPP_REG_U16_COARSE_INTEGRATION_TIME, ctrl->val); <------><------>break; <------>case V4L2_CID_HFLIP: <------>case V4L2_CID_VFLIP: <------><------>rval = smiapp_write(sensor, SMIAPP_REG_U8_IMAGE_ORIENTATION, <------><------><------><------> orient); <------><------>break; <------>case V4L2_CID_VBLANK: <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U16_FRAME_LENGTH_LINES, <------><------><------>sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].height <------><------><------>+ ctrl->val); <------><------>break; <------>case V4L2_CID_HBLANK: <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U16_LINE_LENGTH_PCK, <------><------><------>sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].width <------><------><------>+ ctrl->val); <------><------>break; <------>case V4L2_CID_TEST_PATTERN: <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U16_TEST_PATTERN_MODE, ctrl->val); <------><------>break; <------>case V4L2_CID_TEST_PATTERN_RED: <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U16_TEST_DATA_RED, ctrl->val); <------><------>break; <------>case V4L2_CID_TEST_PATTERN_GREENR: <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U16_TEST_DATA_GREENR, ctrl->val); <------><------>break; <------>case V4L2_CID_TEST_PATTERN_BLUE: <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U16_TEST_DATA_BLUE, ctrl->val); <------><------>break; <------>case V4L2_CID_TEST_PATTERN_GREENB: <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U16_TEST_DATA_GREENB, ctrl->val); <------><------>break; <------>case V4L2_CID_PIXEL_RATE: <------><------>/* For v4l2_ctrl_s_ctrl_int64() used internally. */ <------><------>rval = 0; <------><------>break; <------>default: <------><------>rval = -EINVAL; <------>} <------>if (pm_status > 0) { <------><------>pm_runtime_mark_last_busy(&client->dev); <------><------>pm_runtime_put_autosuspend(&client->dev); <------>} <------>return rval; } static const struct v4l2_ctrl_ops smiapp_ctrl_ops = { <------>.s_ctrl = smiapp_set_ctrl, }; static int smiapp_init_controls(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>int rval; <------>rval = v4l2_ctrl_handler_init(&sensor->pixel_array->ctrl_handler, 12); <------>if (rval) <------><------>return rval; <------>sensor->pixel_array->ctrl_handler.lock = &sensor->mutex; <------>sensor->analog_gain = v4l2_ctrl_new_std( <------><------>&sensor->pixel_array->ctrl_handler, &smiapp_ctrl_ops, <------><------>V4L2_CID_ANALOGUE_GAIN, <------><------>SMIA_LIM(sensor, ANALOGUE_GAIN_CODE_MIN), <------><------>SMIA_LIM(sensor, ANALOGUE_GAIN_CODE_MAX), <------><------>max(SMIA_LIM(sensor, ANALOGUE_GAIN_CODE_STEP), 1U), <------><------>SMIA_LIM(sensor, ANALOGUE_GAIN_CODE_MIN)); <------>/* Exposure limits will be updated soon, use just something here. */ <------>sensor->exposure = v4l2_ctrl_new_std( <------><------>&sensor->pixel_array->ctrl_handler, &smiapp_ctrl_ops, <------><------>V4L2_CID_EXPOSURE, 0, 0, 1, 0); <------>sensor->hflip = v4l2_ctrl_new_std( <------><------>&sensor->pixel_array->ctrl_handler, &smiapp_ctrl_ops, <------><------>V4L2_CID_HFLIP, 0, 1, 1, 0); <------>sensor->vflip = v4l2_ctrl_new_std( <------><------>&sensor->pixel_array->ctrl_handler, &smiapp_ctrl_ops, <------><------>V4L2_CID_VFLIP, 0, 1, 1, 0); <------>sensor->vblank = v4l2_ctrl_new_std( <------><------>&sensor->pixel_array->ctrl_handler, &smiapp_ctrl_ops, <------><------>V4L2_CID_VBLANK, 0, 1, 1, 0); <------>if (sensor->vblank) <------><------>sensor->vblank->flags |= V4L2_CTRL_FLAG_UPDATE; <------>sensor->hblank = v4l2_ctrl_new_std( <------><------>&sensor->pixel_array->ctrl_handler, &smiapp_ctrl_ops, <------><------>V4L2_CID_HBLANK, 0, 1, 1, 0); <------>if (sensor->hblank) <------><------>sensor->hblank->flags |= V4L2_CTRL_FLAG_UPDATE; <------>sensor->pixel_rate_parray = v4l2_ctrl_new_std( <------><------>&sensor->pixel_array->ctrl_handler, &smiapp_ctrl_ops, <------><------>V4L2_CID_PIXEL_RATE, 1, INT_MAX, 1, 1); <------>v4l2_ctrl_new_std_menu_items(&sensor->pixel_array->ctrl_handler, <------><------><------><------> &smiapp_ctrl_ops, V4L2_CID_TEST_PATTERN, <------><------><------><------> ARRAY_SIZE(smiapp_test_patterns) - 1, <------><------><------><------> 0, 0, smiapp_test_patterns); <------>if (sensor->pixel_array->ctrl_handler.error) { <------><------>dev_err(&client->dev, <------><------><------>"pixel array controls initialization failed (%d)\n", <------><------><------>sensor->pixel_array->ctrl_handler.error); <------><------>return sensor->pixel_array->ctrl_handler.error; <------>} <------>sensor->pixel_array->sd.ctrl_handler = <------><------>&sensor->pixel_array->ctrl_handler; <------>v4l2_ctrl_cluster(2, &sensor->hflip); <------>rval = v4l2_ctrl_handler_init(&sensor->src->ctrl_handler, 0); <------>if (rval) <------><------>return rval; <------>sensor->src->ctrl_handler.lock = &sensor->mutex; <------>sensor->pixel_rate_csi = v4l2_ctrl_new_std( <------><------>&sensor->src->ctrl_handler, &smiapp_ctrl_ops, <------><------>V4L2_CID_PIXEL_RATE, 1, INT_MAX, 1, 1); <------>if (sensor->src->ctrl_handler.error) { <------><------>dev_err(&client->dev, <------><------><------>"src controls initialization failed (%d)\n", <------><------><------>sensor->src->ctrl_handler.error); <------><------>return sensor->src->ctrl_handler.error; <------>} <------>sensor->src->sd.ctrl_handler = &sensor->src->ctrl_handler; <------>return 0; } /* * For controls that require information on available media bus codes * and linke frequencies. */ static int smiapp_init_late_controls(struct smiapp_sensor *sensor) { <------>unsigned long *valid_link_freqs = &sensor->valid_link_freqs[ <------><------>sensor->csi_format->compressed - sensor->compressed_min_bpp]; <------>unsigned int i; <------>for (i = 0; i < ARRAY_SIZE(sensor->test_data); i++) { <------><------>int max_value = (1 << sensor->csi_format->width) - 1; <------><------>sensor->test_data[i] = v4l2_ctrl_new_std( <------><------><------><------>&sensor->pixel_array->ctrl_handler, <------><------><------><------>&smiapp_ctrl_ops, V4L2_CID_TEST_PATTERN_RED + i, <------><------><------><------>0, max_value, 1, max_value); <------>} <------>sensor->link_freq = v4l2_ctrl_new_int_menu( <------><------>&sensor->src->ctrl_handler, &smiapp_ctrl_ops, <------><------>V4L2_CID_LINK_FREQ, __fls(*valid_link_freqs), <------><------>__ffs(*valid_link_freqs), sensor->hwcfg->op_sys_clock); <------>return sensor->src->ctrl_handler.error; } static void smiapp_free_controls(struct smiapp_sensor *sensor) { <------>unsigned int i; <------>for (i = 0; i < sensor->ssds_used; i++) <------><------>v4l2_ctrl_handler_free(&sensor->ssds[i].ctrl_handler); } static int smiapp_get_mbus_formats(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>struct smiapp_pll *pll = &sensor->pll; <------>u8 compressed_max_bpp = 0; <------>unsigned int type, n; <------>unsigned int i, pixel_order; <------>int rval; <------>rval = smiapp_read( <------><------>sensor, SMIAPP_REG_U8_DATA_FORMAT_MODEL_TYPE, &type); <------>if (rval) <------><------>return rval; <------>dev_dbg(&client->dev, "data_format_model_type %d\n", type); <------>rval = smiapp_read(sensor, SMIAPP_REG_U8_PIXEL_ORDER, <------><------><------> &pixel_order); <------>if (rval) <------><------>return rval; <------>if (pixel_order >= ARRAY_SIZE(pixel_order_str)) { <------><------>dev_dbg(&client->dev, "bad pixel order %d\n", pixel_order); <------><------>return -EINVAL; <------>} <------>dev_dbg(&client->dev, "pixel order %d (%s)\n", pixel_order, <------><------>pixel_order_str[pixel_order]); <------>switch (type) { <------>case SMIAPP_DATA_FORMAT_MODEL_TYPE_NORMAL: <------><------>n = SMIAPP_DATA_FORMAT_MODEL_TYPE_NORMAL_N; <------><------>break; <------>case SMIAPP_DATA_FORMAT_MODEL_TYPE_EXTENDED: <------><------>n = SMIAPP_DATA_FORMAT_MODEL_TYPE_EXTENDED_N; <------><------>break; <------>default: <------><------>return -EINVAL; <------>} <------>sensor->default_pixel_order = pixel_order; <------>sensor->mbus_frame_fmts = 0; <------>for (i = 0; i < n; i++) { <------><------>unsigned int fmt, j; <------><------>rval = smiapp_read( <------><------><------>sensor, <------><------><------>SMIAPP_REG_U16_DATA_FORMAT_DESCRIPTOR(i), &fmt); <------><------>if (rval) <------><------><------>return rval; <------><------>dev_dbg(&client->dev, "%u: bpp %u, compressed %u\n", <------><------><------>i, fmt >> 8, (u8)fmt); <------><------>for (j = 0; j < ARRAY_SIZE(smiapp_csi_data_formats); j++) { <------><------><------>const struct smiapp_csi_data_format *f = <------><------><------><------>&smiapp_csi_data_formats[j]; <------><------><------>if (f->pixel_order != SMIAPP_PIXEL_ORDER_GRBG) <------><------><------><------>continue; <------><------><------>if (f->width != fmt >> 8 || f->compressed != (u8)fmt) <------><------><------><------>continue; <------><------><------>dev_dbg(&client->dev, "jolly good! %d\n", j); <------><------><------>sensor->default_mbus_frame_fmts |= 1 << j; <------><------>} <------>} <------>/* Figure out which BPP values can be used with which formats. */ <------>pll->binning_horizontal = 1; <------>pll->binning_vertical = 1; <------>pll->scale_m = sensor->scale_m; <------>for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) { <------><------>sensor->compressed_min_bpp = <------><------><------>min(smiapp_csi_data_formats[i].compressed, <------><------><------> sensor->compressed_min_bpp); <------><------>compressed_max_bpp = <------><------><------>max(smiapp_csi_data_formats[i].compressed, <------><------><------> compressed_max_bpp); <------>} <------>sensor->valid_link_freqs = devm_kcalloc( <------><------>&client->dev, <------><------>compressed_max_bpp - sensor->compressed_min_bpp + 1, <------><------>sizeof(*sensor->valid_link_freqs), GFP_KERNEL); <------>if (!sensor->valid_link_freqs) <------><------>return -ENOMEM; <------>for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) { <------><------>const struct smiapp_csi_data_format *f = <------><------><------>&smiapp_csi_data_formats[i]; <------><------>unsigned long *valid_link_freqs = <------><------><------>&sensor->valid_link_freqs[ <------><------><------><------>f->compressed - sensor->compressed_min_bpp]; <------><------>unsigned int j; <------><------>if (!(sensor->default_mbus_frame_fmts & 1 << i)) <------><------><------>continue; <------><------>pll->bits_per_pixel = f->compressed; <------><------>for (j = 0; sensor->hwcfg->op_sys_clock[j]; j++) { <------><------><------>pll->link_freq = sensor->hwcfg->op_sys_clock[j]; <------><------><------>rval = smiapp_pll_try(sensor, pll); <------><------><------>dev_dbg(&client->dev, "link freq %u Hz, bpp %u %s\n", <------><------><------><------>pll->link_freq, pll->bits_per_pixel, <------><------><------><------>rval ? "not ok" : "ok"); <------><------><------>if (rval) <------><------><------><------>continue; <------><------><------>set_bit(j, valid_link_freqs); <------><------>} <------><------>if (!*valid_link_freqs) { <------><------><------>dev_info(&client->dev, <------><------><------><------> "no valid link frequencies for %u bpp\n", <------><------><------><------> f->compressed); <------><------><------>sensor->default_mbus_frame_fmts &= ~BIT(i); <------><------><------>continue; <------><------>} <------><------>if (!sensor->csi_format <------><------> || f->width > sensor->csi_format->width <------><------> || (f->width == sensor->csi_format->width <------><------><------>&& f->compressed > sensor->csi_format->compressed)) { <------><------><------>sensor->csi_format = f; <------><------><------>sensor->internal_csi_format = f; <------><------>} <------>} <------>if (!sensor->csi_format) { <------><------>dev_err(&client->dev, "no supported mbus code found\n"); <------><------>return -EINVAL; <------>} <------>smiapp_update_mbus_formats(sensor); <------>return 0; } static void smiapp_update_blanking(struct smiapp_sensor *sensor) { <------>struct v4l2_ctrl *vblank = sensor->vblank; <------>struct v4l2_ctrl *hblank = sensor->hblank; <------>uint16_t min_fll, max_fll, min_llp, max_llp, min_lbp; <------>int min, max; <------>if (sensor->binning_vertical > 1 || sensor->binning_horizontal > 1) { <------><------>min_fll = SMIA_LIM(sensor, MIN_FRAME_LENGTH_LINES_BIN); <------><------>max_fll = SMIA_LIM(sensor, MAX_FRAME_LENGTH_LINES_BIN); <------><------>min_llp = SMIA_LIM(sensor, MIN_LINE_LENGTH_PCK_BIN); <------><------>max_llp = SMIA_LIM(sensor, MAX_LINE_LENGTH_PCK_BIN); <------><------>min_lbp = SMIA_LIM(sensor, MIN_LINE_BLANKING_PCK_BIN); <------>} else { <------><------>min_fll = SMIA_LIM(sensor, MIN_FRAME_LENGTH_LINES); <------><------>max_fll = SMIA_LIM(sensor, MAX_FRAME_LENGTH_LINES); <------><------>min_llp = SMIA_LIM(sensor, MIN_LINE_LENGTH_PCK); <------><------>max_llp = SMIA_LIM(sensor, MAX_LINE_LENGTH_PCK); <------><------>min_lbp = SMIA_LIM(sensor, MIN_LINE_BLANKING_PCK); <------>} <------>min = max_t(int, <------><------> SMIA_LIM(sensor, MIN_FRAME_BLANKING_LINES), <------><------> min_fll - <------><------> sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].height); <------>max = max_fll - sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].height; <------>__v4l2_ctrl_modify_range(vblank, min, max, vblank->step, min); <------>min = max_t(int, <------><------> min_llp - <------><------> sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].width, <------><------> min_lbp); <------>max = max_llp - sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].width; <------>__v4l2_ctrl_modify_range(hblank, min, max, hblank->step, min); <------>__smiapp_update_exposure_limits(sensor); } static int smiapp_pll_blanking_update(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>int rval; <------>rval = smiapp_pll_update(sensor); <------>if (rval < 0) <------><------>return rval; <------>/* Output from pixel array, including blanking */ <------>smiapp_update_blanking(sensor); <------>dev_dbg(&client->dev, "vblank\t\t%d\n", sensor->vblank->val); <------>dev_dbg(&client->dev, "hblank\t\t%d\n", sensor->hblank->val); <------>dev_dbg(&client->dev, "real timeperframe\t100/%d\n", <------><------>sensor->pll.pixel_rate_pixel_array / <------><------>((sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].width <------><------> + sensor->hblank->val) * <------><------> (sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].height <------><------> + sensor->vblank->val) / 100)); <------>return 0; } /* * * SMIA++ NVM handling * */ static int smiapp_read_nvm_page(struct smiapp_sensor *sensor, u32 p, u8 *nvm, <------><------><------><------>u8 *status) { <------>unsigned int i; <------>int rval; <------>u32 s; <------>*status = 0; <------>rval = smiapp_write(sensor, <------><------><------> SMIAPP_REG_U8_DATA_TRANSFER_IF_1_PAGE_SELECT, p); <------>if (rval) <------><------>return rval; <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_DATA_TRANSFER_IF_1_CTRL, <------><------><------> SMIAPP_DATA_TRANSFER_IF_1_CTRL_EN); <------>if (rval) <------><------>return rval; <------>rval = smiapp_read(sensor, SMIAPP_REG_U8_DATA_TRANSFER_IF_1_STATUS, <------><------><------> &s); <------>if (rval) <------><------>return rval; <------>if (s & SMIAPP_DATA_TRANSFER_IF_1_STATUS_EUSAGE) { <------><------>*status = s; <------><------>return -ENODATA; <------>} <------>if (SMIA_LIM(sensor, DATA_TRANSFER_IF_CAPABILITY) & <------> SMIAPP_DATA_TRANSFER_IF_CAPABILITY_POLL) { <------><------>for (i = 1000; i > 0; i--) { <------><------><------>if (s & SMIAPP_DATA_TRANSFER_IF_1_STATUS_RD_READY) <------><------><------><------>break; <------><------><------>rval = smiapp_read( <------><------><------><------>sensor, <------><------><------><------>SMIAPP_REG_U8_DATA_TRANSFER_IF_1_STATUS, <------><------><------><------>&s); <------><------><------>if (rval) <------><------><------><------>return rval; <------><------>} <------><------>if (!i) <------><------><------>return -ETIMEDOUT; <------>} <------>for (i = 0; i < SMIAPP_NVM_PAGE_SIZE; i++) { <------><------>u32 v; <------><------>rval = smiapp_read(sensor, <------><------><------><------> SMIAPP_REG_U8_DATA_TRANSFER_IF_1_DATA_0 + i, <------><------><------><------> &v); <------><------>if (rval) <------><------><------>return rval; <------><------>*nvm++ = v; <------>} <------>return 0; } static int smiapp_read_nvm(struct smiapp_sensor *sensor, unsigned char *nvm, <------><------><------> size_t nvm_size) { <------>u8 status = 0; <------>u32 p; <------>int rval = 0, rval2; <------>for (p = 0; p < nvm_size / SMIAPP_NVM_PAGE_SIZE && !rval; p++) { <------><------>rval = smiapp_read_nvm_page(sensor, p, nvm, &status); <------><------>nvm += SMIAPP_NVM_PAGE_SIZE; <------>} <------>if (rval == -ENODATA && <------> status & SMIAPP_DATA_TRANSFER_IF_1_STATUS_EUSAGE) <------><------>rval = 0; <------>rval2 = smiapp_write(sensor, SMIAPP_REG_U8_DATA_TRANSFER_IF_1_CTRL, 0); <------>if (rval < 0) <------><------>return rval; <------>else <------><------>return rval2 ?: p * SMIAPP_NVM_PAGE_SIZE; } /* * * SMIA++ CCI address control * */ static int smiapp_change_cci_addr(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>int rval; <------>u32 val; <------>client->addr = sensor->hwcfg->i2c_addr_dfl; <------>rval = smiapp_write(sensor, <------><------><------> SMIAPP_REG_U8_CCI_ADDRESS_CONTROL, <------><------><------> sensor->hwcfg->i2c_addr_alt << 1); <------>if (rval) <------><------>return rval; <------>client->addr = sensor->hwcfg->i2c_addr_alt; <------>/* verify addr change went ok */ <------>rval = smiapp_read(sensor, SMIAPP_REG_U8_CCI_ADDRESS_CONTROL, &val); <------>if (rval) <------><------>return rval; <------>if (val != sensor->hwcfg->i2c_addr_alt << 1) <------><------>return -ENODEV; <------>return 0; } /* * * SMIA++ Mode Control * */ static int smiapp_setup_flash_strobe(struct smiapp_sensor *sensor) { <------>struct smiapp_flash_strobe_parms *strobe_setup; <------>unsigned int ext_freq = sensor->hwcfg->ext_clk; <------>u32 tmp; <------>u32 strobe_adjustment; <------>u32 strobe_width_high_rs; <------>int rval; <------>strobe_setup = sensor->hwcfg->strobe_setup; <------>/* <------> * How to calculate registers related to strobe length. Please <------> * do not change, or if you do at least know what you're <------> * doing. :-) <------> * <------> * Sakari Ailus <sakari.ailus@iki.fi> 2010-10-25 <------> * <------> * flash_strobe_length [us] / 10^6 = (tFlash_strobe_width_ctrl <------> * / EXTCLK freq [Hz]) * flash_strobe_adjustment <------> * <------> * tFlash_strobe_width_ctrl E N, [1 - 0xffff] <------> * flash_strobe_adjustment E N, [1 - 0xff] <------> * <------> * The formula above is written as below to keep it on one <------> * line: <------> * <------> * l / 10^6 = w / e * a <------> * <------> * Let's mark w * a by x: <------> * <------> * x = w * a <------> * <------> * Thus, we get: <------> * <------> * x = l * e / 10^6 <------> * <------> * The strobe width must be at least as long as requested, <------> * thus rounding upwards is needed. <------> * <------> * x = (l * e + 10^6 - 1) / 10^6 <------> * ----------------------------- <------> * <------> * Maximum possible accuracy is wanted at all times. Thus keep <------> * a as small as possible. <------> * <------> * Calculate a, assuming maximum w, with rounding upwards: <------> * <------> * a = (x + (2^16 - 1) - 1) / (2^16 - 1) <------> * ------------------------------------- <------> * <------> * Thus, we also get w, with that a, with rounding upwards: <------> * <------> * w = (x + a - 1) / a <------> * ------------------- <------> * <------> * To get limits: <------> * <------> * x E [1, (2^16 - 1) * (2^8 - 1)] <------> * <------> * Substituting maximum x to the original formula (with rounding), <------> * the maximum l is thus <------> * <------> * (2^16 - 1) * (2^8 - 1) * 10^6 = l * e + 10^6 - 1 <------> * <------> * l = (10^6 * (2^16 - 1) * (2^8 - 1) - 10^6 + 1) / e <------> * -------------------------------------------------- <------> * <------> * flash_strobe_length must be clamped between 1 and <------> * (10^6 * (2^16 - 1) * (2^8 - 1) - 10^6 + 1) / EXTCLK freq. <------> * <------> * Then, <------> * <------> * flash_strobe_adjustment = ((flash_strobe_length * <------> * EXTCLK freq + 10^6 - 1) / 10^6 + (2^16 - 1) - 1) / (2^16 - 1) <------> * <------> * tFlash_strobe_width_ctrl = ((flash_strobe_length * <------> * EXTCLK freq + 10^6 - 1) / 10^6 + <------> * flash_strobe_adjustment - 1) / flash_strobe_adjustment <------> */ <------>tmp = div_u64(1000000ULL * ((1 << 16) - 1) * ((1 << 8) - 1) - <------><------> 1000000 + 1, ext_freq); <------>strobe_setup->strobe_width_high_us = <------><------>clamp_t(u32, strobe_setup->strobe_width_high_us, 1, tmp); <------>tmp = div_u64(((u64)strobe_setup->strobe_width_high_us * (u64)ext_freq + <------><------><------>1000000 - 1), 1000000ULL); <------>strobe_adjustment = (tmp + (1 << 16) - 1 - 1) / ((1 << 16) - 1); <------>strobe_width_high_rs = (tmp + strobe_adjustment - 1) / <------><------><------><------>strobe_adjustment; <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_FLASH_MODE_RS, <------><------><------> strobe_setup->mode); <------>if (rval < 0) <------><------>goto out; <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_FLASH_STROBE_ADJUSTMENT, <------><------><------> strobe_adjustment); <------>if (rval < 0) <------><------>goto out; <------>rval = smiapp_write( <------><------>sensor, SMIAPP_REG_U16_TFLASH_STROBE_WIDTH_HIGH_RS_CTRL, <------><------>strobe_width_high_rs); <------>if (rval < 0) <------><------>goto out; <------>rval = smiapp_write(sensor, SMIAPP_REG_U16_TFLASH_STROBE_DELAY_RS_CTRL, <------><------><------> strobe_setup->strobe_delay); <------>if (rval < 0) <------><------>goto out; <------>rval = smiapp_write(sensor, SMIAPP_REG_U16_FLASH_STROBE_START_POINT, <------><------><------> strobe_setup->stobe_start_point); <------>if (rval < 0) <------><------>goto out; <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_FLASH_TRIGGER_RS, <------><------><------> strobe_setup->trigger); out: <------>sensor->hwcfg->strobe_setup->trigger = 0; <------>return rval; } /* ----------------------------------------------------------------------------- * Power management */ static int smiapp_power_on(struct device *dev) { <------>struct i2c_client *client = to_i2c_client(dev); <------>struct v4l2_subdev *subdev = i2c_get_clientdata(client); <------>struct smiapp_subdev *ssd = to_smiapp_subdev(subdev); <------>/* <------> * The sub-device related to the I2C device is always the <------> * source one, i.e. ssds[0]. <------> */ <------>struct smiapp_sensor *sensor = <------><------>container_of(ssd, struct smiapp_sensor, ssds[0]); <------>unsigned int sleep; <------>int rval; <------>rval = regulator_enable(sensor->vana); <------>if (rval) { <------><------>dev_err(&client->dev, "failed to enable vana regulator\n"); <------><------>return rval; <------>} <------>usleep_range(1000, 1000); <------>rval = clk_prepare_enable(sensor->ext_clk); <------>if (rval < 0) { <------><------>dev_dbg(&client->dev, "failed to enable xclk\n"); <------><------>goto out_xclk_fail; <------>} <------>usleep_range(1000, 1000); <------>gpiod_set_value(sensor->xshutdown, 1); <------>sleep = SMIAPP_RESET_DELAY(sensor->hwcfg->ext_clk); <------>usleep_range(sleep, sleep); <------>/* <------> * Failures to respond to the address change command have been noticed. <------> * Those failures seem to be caused by the sensor requiring a longer <------> * boot time than advertised. An additional 10ms delay seems to work <------> * around the issue, but the SMIA++ I2C write retry hack makes the delay <------> * unnecessary. The failures need to be investigated to find a proper <------> * fix, and a delay will likely need to be added here if the I2C write <------> * retry hack is reverted before the root cause of the boot time issue <------> * is found. <------> */ <------>if (sensor->hwcfg->i2c_addr_alt) { <------><------>rval = smiapp_change_cci_addr(sensor); <------><------>if (rval) { <------><------><------>dev_err(&client->dev, "cci address change error\n"); <------><------><------>goto out_cci_addr_fail; <------><------>} <------>} <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_SOFTWARE_RESET, <------><------><------> SMIAPP_SOFTWARE_RESET); <------>if (rval < 0) { <------><------>dev_err(&client->dev, "software reset failed\n"); <------><------>goto out_cci_addr_fail; <------>} <------>if (sensor->hwcfg->i2c_addr_alt) { <------><------>rval = smiapp_change_cci_addr(sensor); <------><------>if (rval) { <------><------><------>dev_err(&client->dev, "cci address change error\n"); <------><------><------>goto out_cci_addr_fail; <------><------>} <------>} <------>rval = smiapp_write(sensor, SMIAPP_REG_U16_COMPRESSION_MODE, <------><------><------> SMIAPP_COMPRESSION_MODE_SIMPLE_PREDICTOR); <------>if (rval) { <------><------>dev_err(&client->dev, "compression mode set failed\n"); <------><------>goto out_cci_addr_fail; <------>} <------>rval = smiapp_write( <------><------>sensor, SMIAPP_REG_U16_EXTCLK_FREQUENCY_MHZ, <------><------>sensor->hwcfg->ext_clk / (1000000 / (1 << 8))); <------>if (rval) { <------><------>dev_err(&client->dev, "extclk frequency set failed\n"); <------><------>goto out_cci_addr_fail; <------>} <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_CSI_LANE_MODE, <------><------><------> sensor->hwcfg->lanes - 1); <------>if (rval) { <------><------>dev_err(&client->dev, "csi lane mode set failed\n"); <------><------>goto out_cci_addr_fail; <------>} <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_FAST_STANDBY_CTRL, <------><------><------> SMIAPP_FAST_STANDBY_CTRL_IMMEDIATE); <------>if (rval) { <------><------>dev_err(&client->dev, "fast standby set failed\n"); <------><------>goto out_cci_addr_fail; <------>} <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_CSI_SIGNALLING_MODE, <------><------><------> sensor->hwcfg->csi_signalling_mode); <------>if (rval) { <------><------>dev_err(&client->dev, "csi signalling mode set failed\n"); <------><------>goto out_cci_addr_fail; <------>} <------>/* DPHY control done by sensor based on requested link rate */ <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_DPHY_CTRL, <------><------><------> SMIAPP_DPHY_CTRL_UI); <------>if (rval < 0) <------><------>goto out_cci_addr_fail; <------>rval = smiapp_call_quirk(sensor, post_poweron); <------>if (rval) { <------><------>dev_err(&client->dev, "post_poweron quirks failed\n"); <------><------>goto out_cci_addr_fail; <------>} <------>return 0; out_cci_addr_fail: <------>gpiod_set_value(sensor->xshutdown, 0); <------>clk_disable_unprepare(sensor->ext_clk); out_xclk_fail: <------>regulator_disable(sensor->vana); <------>return rval; } static int smiapp_power_off(struct device *dev) { <------>struct i2c_client *client = to_i2c_client(dev); <------>struct v4l2_subdev *subdev = i2c_get_clientdata(client); <------>struct smiapp_subdev *ssd = to_smiapp_subdev(subdev); <------>struct smiapp_sensor *sensor = <------><------>container_of(ssd, struct smiapp_sensor, ssds[0]); <------>/* <------> * Currently power/clock to lens are enable/disabled separately <------> * but they are essentially the same signals. So if the sensor is <------> * powered off while the lens is powered on the sensor does not <------> * really see a power off and next time the cci address change <------> * will fail. So do a soft reset explicitly here. <------> */ <------>if (sensor->hwcfg->i2c_addr_alt) <------><------>smiapp_write(sensor, <------><------><------> SMIAPP_REG_U8_SOFTWARE_RESET, <------><------><------> SMIAPP_SOFTWARE_RESET); <------>gpiod_set_value(sensor->xshutdown, 0); <------>clk_disable_unprepare(sensor->ext_clk); <------>usleep_range(5000, 5000); <------>regulator_disable(sensor->vana); <------>sensor->streaming = false; <------>return 0; } /* ----------------------------------------------------------------------------- * Video stream management */ static int smiapp_start_streaming(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>unsigned int binning_mode; <------>int rval; <------>mutex_lock(&sensor->mutex); <------>rval = smiapp_write(sensor, SMIAPP_REG_U16_CSI_DATA_FORMAT, <------><------><------> (sensor->csi_format->width << 8) | <------><------><------> sensor->csi_format->compressed); <------>if (rval) <------><------>goto out; <------>/* Binning configuration */ <------>if (sensor->binning_horizontal == 1 && <------> sensor->binning_vertical == 1) { <------><------>binning_mode = 0; <------>} else { <------><------>u8 binning_type = <------><------><------>(sensor->binning_horizontal << 4) <------><------><------>| sensor->binning_vertical; <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U8_BINNING_TYPE, binning_type); <------><------>if (rval < 0) <------><------><------>goto out; <------><------>binning_mode = 1; <------>} <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_BINNING_MODE, binning_mode); <------>if (rval < 0) <------><------>goto out; <------>/* Set up PLL */ <------>rval = smiapp_pll_configure(sensor); <------>if (rval) <------><------>goto out; <------>/* Analog crop start coordinates */ <------>rval = smiapp_write(sensor, SMIAPP_REG_U16_X_ADDR_START, <------><------><------> sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].left); <------>if (rval < 0) <------><------>goto out; <------>rval = smiapp_write(sensor, SMIAPP_REG_U16_Y_ADDR_START, <------><------><------> sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].top); <------>if (rval < 0) <------><------>goto out; <------>/* Analog crop end coordinates */ <------>rval = smiapp_write( <------><------>sensor, SMIAPP_REG_U16_X_ADDR_END, <------><------>sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].left <------><------>+ sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].width - 1); <------>if (rval < 0) <------><------>goto out; <------>rval = smiapp_write( <------><------>sensor, SMIAPP_REG_U16_Y_ADDR_END, <------><------>sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].top <------><------>+ sensor->pixel_array->crop[SMIAPP_PA_PAD_SRC].height - 1); <------>if (rval < 0) <------><------>goto out; <------>/* <------> * Output from pixel array, including blanking, is set using <------> * controls below. No need to set here. <------> */ <------>/* Digital crop */ <------>if (SMIA_LIM(sensor, DIGITAL_CROP_CAPABILITY) <------> == SMIAPP_DIGITAL_CROP_CAPABILITY_INPUT_CROP) { <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U16_DIGITAL_CROP_X_OFFSET, <------><------><------>sensor->scaler->crop[SMIAPP_PAD_SINK].left); <------><------>if (rval < 0) <------><------><------>goto out; <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U16_DIGITAL_CROP_Y_OFFSET, <------><------><------>sensor->scaler->crop[SMIAPP_PAD_SINK].top); <------><------>if (rval < 0) <------><------><------>goto out; <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U16_DIGITAL_CROP_IMAGE_WIDTH, <------><------><------>sensor->scaler->crop[SMIAPP_PAD_SINK].width); <------><------>if (rval < 0) <------><------><------>goto out; <------><------>rval = smiapp_write( <------><------><------>sensor, SMIAPP_REG_U16_DIGITAL_CROP_IMAGE_HEIGHT, <------><------><------>sensor->scaler->crop[SMIAPP_PAD_SINK].height); <------><------>if (rval < 0) <------><------><------>goto out; <------>} <------>/* Scaling */ <------>if (SMIA_LIM(sensor, SCALING_CAPABILITY) <------> != SMIAPP_SCALING_CAPABILITY_NONE) { <------><------>rval = smiapp_write(sensor, SMIAPP_REG_U16_SCALING_MODE, <------><------><------><------> sensor->scaling_mode); <------><------>if (rval < 0) <------><------><------>goto out; <------><------>rval = smiapp_write(sensor, SMIAPP_REG_U16_SCALE_M, <------><------><------><------> sensor->scale_m); <------><------>if (rval < 0) <------><------><------>goto out; <------>} <------>/* Output size from sensor */ <------>rval = smiapp_write(sensor, SMIAPP_REG_U16_X_OUTPUT_SIZE, <------><------><------> sensor->src->crop[SMIAPP_PAD_SRC].width); <------>if (rval < 0) <------><------>goto out; <------>rval = smiapp_write(sensor, SMIAPP_REG_U16_Y_OUTPUT_SIZE, <------><------><------> sensor->src->crop[SMIAPP_PAD_SRC].height); <------>if (rval < 0) <------><------>goto out; <------>if ((SMIA_LIM(sensor, FLASH_MODE_CAPABILITY) & <------> (SMIAPP_FLASH_MODE_CAPABILITY_SINGLE_STROBE | <------> SMIAPP_FLASH_MODE_CAPABILITY_MULTIPLE_STROBE)) && <------> sensor->hwcfg->strobe_setup != NULL && <------> sensor->hwcfg->strobe_setup->trigger != 0) { <------><------>rval = smiapp_setup_flash_strobe(sensor); <------><------>if (rval) <------><------><------>goto out; <------>} <------>rval = smiapp_call_quirk(sensor, pre_streamon); <------>if (rval) { <------><------>dev_err(&client->dev, "pre_streamon quirks failed\n"); <------><------>goto out; <------>} <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_MODE_SELECT, <------><------><------> SMIAPP_MODE_SELECT_STREAMING); out: <------>mutex_unlock(&sensor->mutex); <------>return rval; } static int smiapp_stop_streaming(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>int rval; <------>mutex_lock(&sensor->mutex); <------>rval = smiapp_write(sensor, SMIAPP_REG_U8_MODE_SELECT, <------><------><------> SMIAPP_MODE_SELECT_SOFTWARE_STANDBY); <------>if (rval) <------><------>goto out; <------>rval = smiapp_call_quirk(sensor, post_streamoff); <------>if (rval) <------><------>dev_err(&client->dev, "post_streamoff quirks failed\n"); out: <------>mutex_unlock(&sensor->mutex); <------>return rval; } /* ----------------------------------------------------------------------------- * V4L2 subdev video operations */ static int smiapp_pm_get_init(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>int rval; <------>rval = pm_runtime_get_sync(&client->dev); <------>if (rval < 0) { <------><------>if (rval != -EBUSY && rval != -EAGAIN) <------><------><------>pm_runtime_set_active(&client->dev); <------><------>pm_runtime_put_noidle(&client->dev); <------><------>return rval; <------>} else if (!rval) { <------><------>rval = v4l2_ctrl_handler_setup(&sensor->pixel_array-> <------><------><------><------><------> ctrl_handler); <------><------>if (rval) <------><------><------>return rval; <------><------>return v4l2_ctrl_handler_setup(&sensor->src->ctrl_handler); <------>} <------>return 0; } static int smiapp_set_stream(struct v4l2_subdev *subdev, int enable) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>int rval; <------>if (sensor->streaming == enable) <------><------>return 0; <------>if (!enable) { <------><------>smiapp_stop_streaming(sensor); <------><------>sensor->streaming = false; <------><------>pm_runtime_mark_last_busy(&client->dev); <------><------>pm_runtime_put_autosuspend(&client->dev); <------><------>return 0; <------>} <------>rval = smiapp_pm_get_init(sensor); <------>if (rval) <------><------>return rval; <------>sensor->streaming = true; <------>rval = smiapp_start_streaming(sensor); <------>if (rval < 0) { <------><------>sensor->streaming = false; <------><------>pm_runtime_mark_last_busy(&client->dev); <------><------>pm_runtime_put_autosuspend(&client->dev); <------>} <------>return rval; } static int smiapp_enum_mbus_code(struct v4l2_subdev *subdev, <------><------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------><------> struct v4l2_subdev_mbus_code_enum *code) { <------>struct i2c_client *client = v4l2_get_subdevdata(subdev); <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>unsigned int i; <------>int idx = -1; <------>int rval = -EINVAL; <------>mutex_lock(&sensor->mutex); <------>dev_err(&client->dev, "subdev %s, pad %d, index %d\n", <------><------>subdev->name, code->pad, code->index); <------>if (subdev != &sensor->src->sd || code->pad != SMIAPP_PAD_SRC) { <------><------>if (code->index) <------><------><------>goto out; <------><------>code->code = sensor->internal_csi_format->code; <------><------>rval = 0; <------><------>goto out; <------>} <------>for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) { <------><------>if (sensor->mbus_frame_fmts & (1 << i)) <------><------><------>idx++; <------><------>if (idx == code->index) { <------><------><------>code->code = smiapp_csi_data_formats[i].code; <------><------><------>dev_err(&client->dev, "found index %d, i %d, code %x\n", <------><------><------><------>code->index, i, code->code); <------><------><------>rval = 0; <------><------><------>break; <------><------>} <------>} out: <------>mutex_unlock(&sensor->mutex); <------>return rval; } static u32 __smiapp_get_mbus_code(struct v4l2_subdev *subdev, <------><------><------><------> unsigned int pad) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>if (subdev == &sensor->src->sd && pad == SMIAPP_PAD_SRC) <------><------>return sensor->csi_format->code; <------>else <------><------>return sensor->internal_csi_format->code; } static int __smiapp_get_format(struct v4l2_subdev *subdev, <------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------> struct v4l2_subdev_format *fmt) { <------>struct smiapp_subdev *ssd = to_smiapp_subdev(subdev); <------>if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { <------><------>fmt->format = *v4l2_subdev_get_try_format(subdev, cfg, <------><------><------><------><------><------><------> fmt->pad); <------>} else { <------><------>struct v4l2_rect *r; <------><------>if (fmt->pad == ssd->source_pad) <------><------><------>r = &ssd->crop[ssd->source_pad]; <------><------>else <------><------><------>r = &ssd->sink_fmt; <------><------>fmt->format.code = __smiapp_get_mbus_code(subdev, fmt->pad); <------><------>fmt->format.width = r->width; <------><------>fmt->format.height = r->height; <------><------>fmt->format.field = V4L2_FIELD_NONE; <------>} <------>return 0; } static int smiapp_get_format(struct v4l2_subdev *subdev, <------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------> struct v4l2_subdev_format *fmt) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>int rval; <------>mutex_lock(&sensor->mutex); <------>rval = __smiapp_get_format(subdev, cfg, fmt); <------>mutex_unlock(&sensor->mutex); <------>return rval; } static void smiapp_get_crop_compose(struct v4l2_subdev *subdev, <------><------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------><------> struct v4l2_rect **crops, <------><------><------><------> struct v4l2_rect **comps, int which) { <------>struct smiapp_subdev *ssd = to_smiapp_subdev(subdev); <------>unsigned int i; <------>if (which == V4L2_SUBDEV_FORMAT_ACTIVE) { <------><------>if (crops) <------><------><------>for (i = 0; i < subdev->entity.num_pads; i++) <------><------><------><------>crops[i] = &ssd->crop[i]; <------><------>if (comps) <------><------><------>*comps = &ssd->compose; <------>} else { <------><------>if (crops) { <------><------><------>for (i = 0; i < subdev->entity.num_pads; i++) { <------><------><------><------>crops[i] = v4l2_subdev_get_try_crop(subdev, cfg, i); <------><------><------><------>BUG_ON(!crops[i]); <------><------><------>} <------><------>} <------><------>if (comps) { <------><------><------>*comps = v4l2_subdev_get_try_compose(subdev, cfg, <------><------><------><------><------><------><------> SMIAPP_PAD_SINK); <------><------><------>BUG_ON(!*comps); <------><------>} <------>} } /* Changes require propagation only on sink pad. */ static void smiapp_propagate(struct v4l2_subdev *subdev, <------><------><------> struct v4l2_subdev_pad_config *cfg, int which, <------><------><------> int target) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>struct smiapp_subdev *ssd = to_smiapp_subdev(subdev); <------>struct v4l2_rect *comp, *crops[SMIAPP_PADS]; <------>smiapp_get_crop_compose(subdev, cfg, crops, &comp, which); <------>switch (target) { <------>case V4L2_SEL_TGT_CROP: <------><------>comp->width = crops[SMIAPP_PAD_SINK]->width; <------><------>comp->height = crops[SMIAPP_PAD_SINK]->height; <------><------>if (which == V4L2_SUBDEV_FORMAT_ACTIVE) { <------><------><------>if (ssd == sensor->scaler) { <------><------><------><------>sensor->scale_m = <------><------><------><------><------>SMIA_LIM(sensor, SCALER_N_MIN); <------><------><------><------>sensor->scaling_mode = <------><------><------><------><------>SMIAPP_SCALING_MODE_NONE; <------><------><------>} else if (ssd == sensor->binner) { <------><------><------><------>sensor->binning_horizontal = 1; <------><------><------><------>sensor->binning_vertical = 1; <------><------><------>} <------><------>} <------><------>fallthrough; <------>case V4L2_SEL_TGT_COMPOSE: <------><------>*crops[SMIAPP_PAD_SRC] = *comp; <------><------>break; <------>default: <------><------>BUG(); <------>} } static const struct smiapp_csi_data_format *smiapp_validate_csi_data_format(struct smiapp_sensor *sensor, u32 code) { <------>unsigned int i; <------>for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) { <------><------>if (sensor->mbus_frame_fmts & (1 << i) <------><------> && smiapp_csi_data_formats[i].code == code) <------><------><------>return &smiapp_csi_data_formats[i]; <------>} <------>return sensor->csi_format; } static int smiapp_set_format_source(struct v4l2_subdev *subdev, <------><------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------><------> struct v4l2_subdev_format *fmt) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>const struct smiapp_csi_data_format *csi_format, <------><------>*old_csi_format = sensor->csi_format; <------>unsigned long *valid_link_freqs; <------>u32 code = fmt->format.code; <------>unsigned int i; <------>int rval; <------>rval = __smiapp_get_format(subdev, cfg, fmt); <------>if (rval) <------><------>return rval; <------>/* <------> * Media bus code is changeable on src subdev's source pad. On <------> * other source pads we just get format here. <------> */ <------>if (subdev != &sensor->src->sd) <------><------>return 0; <------>csi_format = smiapp_validate_csi_data_format(sensor, code); <------>fmt->format.code = csi_format->code; <------>if (fmt->which != V4L2_SUBDEV_FORMAT_ACTIVE) <------><------>return 0; <------>sensor->csi_format = csi_format; <------>if (csi_format->width != old_csi_format->width) <------><------>for (i = 0; i < ARRAY_SIZE(sensor->test_data); i++) <------><------><------>__v4l2_ctrl_modify_range( <------><------><------><------>sensor->test_data[i], 0, <------><------><------><------>(1 << csi_format->width) - 1, 1, 0); <------>if (csi_format->compressed == old_csi_format->compressed) <------><------>return 0; <------>valid_link_freqs = <------><------>&sensor->valid_link_freqs[sensor->csi_format->compressed <------><------><------><------><------> - sensor->compressed_min_bpp]; <------>__v4l2_ctrl_modify_range( <------><------>sensor->link_freq, 0, <------><------>__fls(*valid_link_freqs), ~*valid_link_freqs, <------><------>__ffs(*valid_link_freqs)); <------>return smiapp_pll_update(sensor); } static int smiapp_set_format(struct v4l2_subdev *subdev, <------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------> struct v4l2_subdev_format *fmt) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>struct smiapp_subdev *ssd = to_smiapp_subdev(subdev); <------>struct v4l2_rect *crops[SMIAPP_PADS]; <------>mutex_lock(&sensor->mutex); <------>if (fmt->pad == ssd->source_pad) { <------><------>int rval; <------><------>rval = smiapp_set_format_source(subdev, cfg, fmt); <------><------>mutex_unlock(&sensor->mutex); <------><------>return rval; <------>} <------>/* Sink pad. Width and height are changeable here. */ <------>fmt->format.code = __smiapp_get_mbus_code(subdev, fmt->pad); <------>fmt->format.width &= ~1; <------>fmt->format.height &= ~1; <------>fmt->format.field = V4L2_FIELD_NONE; <------>fmt->format.width = <------><------>clamp(fmt->format.width, <------><------> SMIA_LIM(sensor, MIN_X_OUTPUT_SIZE), <------><------> SMIA_LIM(sensor, MAX_X_OUTPUT_SIZE)); <------>fmt->format.height = <------><------>clamp(fmt->format.height, <------><------> SMIA_LIM(sensor, MIN_Y_OUTPUT_SIZE), <------><------> SMIA_LIM(sensor, MAX_Y_OUTPUT_SIZE)); <------>smiapp_get_crop_compose(subdev, cfg, crops, NULL, fmt->which); <------>crops[ssd->sink_pad]->left = 0; <------>crops[ssd->sink_pad]->top = 0; <------>crops[ssd->sink_pad]->width = fmt->format.width; <------>crops[ssd->sink_pad]->height = fmt->format.height; <------>if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) <------><------>ssd->sink_fmt = *crops[ssd->sink_pad]; <------>smiapp_propagate(subdev, cfg, fmt->which, <------><------><------> V4L2_SEL_TGT_CROP); <------>mutex_unlock(&sensor->mutex); <------>return 0; } /* * Calculate goodness of scaled image size compared to expected image * size and flags provided. */ #define SCALING_GOODNESS 100000 #define SCALING_GOODNESS_EXTREME 100000000 static int scaling_goodness(struct v4l2_subdev *subdev, int w, int ask_w, <------><------><------> int h, int ask_h, u32 flags) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>struct i2c_client *client = v4l2_get_subdevdata(subdev); <------>int val = 0; <------>w &= ~1; <------>ask_w &= ~1; <------>h &= ~1; <------>ask_h &= ~1; <------>if (flags & V4L2_SEL_FLAG_GE) { <------><------>if (w < ask_w) <------><------><------>val -= SCALING_GOODNESS; <------><------>if (h < ask_h) <------><------><------>val -= SCALING_GOODNESS; <------>} <------>if (flags & V4L2_SEL_FLAG_LE) { <------><------>if (w > ask_w) <------><------><------>val -= SCALING_GOODNESS; <------><------>if (h > ask_h) <------><------><------>val -= SCALING_GOODNESS; <------>} <------>val -= abs(w - ask_w); <------>val -= abs(h - ask_h); <------>if (w < SMIA_LIM(sensor, MIN_X_OUTPUT_SIZE)) <------><------>val -= SCALING_GOODNESS_EXTREME; <------>dev_dbg(&client->dev, "w %d ask_w %d h %d ask_h %d goodness %d\n", <------><------>w, ask_w, h, ask_h, val); <------>return val; } static void smiapp_set_compose_binner(struct v4l2_subdev *subdev, <------><------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------><------> struct v4l2_subdev_selection *sel, <------><------><------><------> struct v4l2_rect **crops, <------><------><------><------> struct v4l2_rect *comp) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>unsigned int i; <------>unsigned int binh = 1, binv = 1; <------>int best = scaling_goodness( <------><------>subdev, <------><------>crops[SMIAPP_PAD_SINK]->width, sel->r.width, <------><------>crops[SMIAPP_PAD_SINK]->height, sel->r.height, sel->flags); <------>for (i = 0; i < sensor->nbinning_subtypes; i++) { <------><------>int this = scaling_goodness( <------><------><------>subdev, <------><------><------>crops[SMIAPP_PAD_SINK]->width <------><------><------>/ sensor->binning_subtypes[i].horizontal, <------><------><------>sel->r.width, <------><------><------>crops[SMIAPP_PAD_SINK]->height <------><------><------>/ sensor->binning_subtypes[i].vertical, <------><------><------>sel->r.height, sel->flags); <------><------>if (this > best) { <------><------><------>binh = sensor->binning_subtypes[i].horizontal; <------><------><------>binv = sensor->binning_subtypes[i].vertical; <------><------><------>best = this; <------><------>} <------>} <------>if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE) { <------><------>sensor->binning_vertical = binv; <------><------>sensor->binning_horizontal = binh; <------>} <------>sel->r.width = (crops[SMIAPP_PAD_SINK]->width / binh) & ~1; <------>sel->r.height = (crops[SMIAPP_PAD_SINK]->height / binv) & ~1; } /* * Calculate best scaling ratio and mode for given output resolution. * * Try all of these: horizontal ratio, vertical ratio and smallest * size possible (horizontally). * * Also try whether horizontal scaler or full scaler gives a better * result. */ static void smiapp_set_compose_scaler(struct v4l2_subdev *subdev, <------><------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------><------> struct v4l2_subdev_selection *sel, <------><------><------><------> struct v4l2_rect **crops, <------><------><------><------> struct v4l2_rect *comp) { <------>struct i2c_client *client = v4l2_get_subdevdata(subdev); <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>u32 min, max, a, b, max_m; <------>u32 scale_m = SMIA_LIM(sensor, SCALER_N_MIN); <------>int mode = SMIAPP_SCALING_MODE_HORIZONTAL; <------>u32 try[4]; <------>u32 ntry = 0; <------>unsigned int i; <------>int best = INT_MIN; <------>sel->r.width = min_t(unsigned int, sel->r.width, <------><------><------> crops[SMIAPP_PAD_SINK]->width); <------>sel->r.height = min_t(unsigned int, sel->r.height, <------><------><------> crops[SMIAPP_PAD_SINK]->height); <------>a = crops[SMIAPP_PAD_SINK]->width <------><------>* SMIA_LIM(sensor, SCALER_N_MIN) / sel->r.width; <------>b = crops[SMIAPP_PAD_SINK]->height <------><------>* SMIA_LIM(sensor, SCALER_N_MIN) / sel->r.height; <------>max_m = crops[SMIAPP_PAD_SINK]->width <------><------>* SMIA_LIM(sensor, SCALER_N_MIN) <------><------>/ SMIA_LIM(sensor, MIN_X_OUTPUT_SIZE); <------>a = clamp(a, SMIA_LIM(sensor, SCALER_M_MIN), <------><------> SMIA_LIM(sensor, SCALER_M_MAX)); <------>b = clamp(b, SMIA_LIM(sensor, SCALER_M_MIN), <------><------> SMIA_LIM(sensor, SCALER_M_MAX)); <------>max_m = clamp(max_m, SMIA_LIM(sensor, SCALER_M_MIN), <------><------> SMIA_LIM(sensor, SCALER_M_MAX)); <------>dev_dbg(&client->dev, "scaling: a %d b %d max_m %d\n", a, b, max_m); <------>min = min(max_m, min(a, b)); <------>max = min(max_m, max(a, b)); <------>try[ntry] = min; <------>ntry++; <------>if (min != max) { <------><------>try[ntry] = max; <------><------>ntry++; <------>} <------>if (max != max_m) { <------><------>try[ntry] = min + 1; <------><------>ntry++; <------><------>if (min != max) { <------><------><------>try[ntry] = max + 1; <------><------><------>ntry++; <------><------>} <------>} <------>for (i = 0; i < ntry; i++) { <------><------>int this = scaling_goodness( <------><------><------>subdev, <------><------><------>crops[SMIAPP_PAD_SINK]->width <------><------><------>/ try[i] <------><------><------>* SMIA_LIM(sensor, SCALER_N_MIN), <------><------><------>sel->r.width, <------><------><------>crops[SMIAPP_PAD_SINK]->height, <------><------><------>sel->r.height, <------><------><------>sel->flags); <------><------>dev_dbg(&client->dev, "trying factor %d (%d)\n", try[i], i); <------><------>if (this > best) { <------><------><------>scale_m = try[i]; <------><------><------>mode = SMIAPP_SCALING_MODE_HORIZONTAL; <------><------><------>best = this; <------><------>} <------><------>if (SMIA_LIM(sensor, SCALING_CAPABILITY) <------><------> == SMIAPP_SCALING_CAPABILITY_HORIZONTAL) <------><------><------>continue; <------><------>this = scaling_goodness( <------><------><------>subdev, crops[SMIAPP_PAD_SINK]->width <------><------><------>/ try[i] <------><------><------>* SMIA_LIM(sensor, SCALER_N_MIN), <------><------><------>sel->r.width, <------><------><------>crops[SMIAPP_PAD_SINK]->height <------><------><------>/ try[i] <------><------><------>* SMIA_LIM(sensor, SCALER_N_MIN), <------><------><------>sel->r.height, <------><------><------>sel->flags); <------><------>if (this > best) { <------><------><------>scale_m = try[i]; <------><------><------>mode = SMIAPP_SCALING_MODE_BOTH; <------><------><------>best = this; <------><------>} <------>} <------>sel->r.width = <------><------>(crops[SMIAPP_PAD_SINK]->width <------><------> / scale_m <------><------> * SMIA_LIM(sensor, SCALER_N_MIN)) & ~1; <------>if (mode == SMIAPP_SCALING_MODE_BOTH) <------><------>sel->r.height = <------><------><------>(crops[SMIAPP_PAD_SINK]->height <------><------><------> / scale_m <------><------><------> * SMIA_LIM(sensor, SCALER_N_MIN)) <------><------><------>& ~1; <------>else <------><------>sel->r.height = crops[SMIAPP_PAD_SINK]->height; <------>if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE) { <------><------>sensor->scale_m = scale_m; <------><------>sensor->scaling_mode = mode; <------>} } /* We're only called on source pads. This function sets scaling. */ static int smiapp_set_compose(struct v4l2_subdev *subdev, <------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------> struct v4l2_subdev_selection *sel) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>struct smiapp_subdev *ssd = to_smiapp_subdev(subdev); <------>struct v4l2_rect *comp, *crops[SMIAPP_PADS]; <------>smiapp_get_crop_compose(subdev, cfg, crops, &comp, sel->which); <------>sel->r.top = 0; <------>sel->r.left = 0; <------>if (ssd == sensor->binner) <------><------>smiapp_set_compose_binner(subdev, cfg, sel, crops, comp); <------>else <------><------>smiapp_set_compose_scaler(subdev, cfg, sel, crops, comp); <------>*comp = sel->r; <------>smiapp_propagate(subdev, cfg, sel->which, V4L2_SEL_TGT_COMPOSE); <------>if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE) <------><------>return smiapp_pll_blanking_update(sensor); <------>return 0; } static int __smiapp_sel_supported(struct v4l2_subdev *subdev, <------><------><------><------> struct v4l2_subdev_selection *sel) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>struct smiapp_subdev *ssd = to_smiapp_subdev(subdev); <------>/* We only implement crop in three places. */ <------>switch (sel->target) { <------>case V4L2_SEL_TGT_CROP: <------>case V4L2_SEL_TGT_CROP_BOUNDS: <------><------>if (ssd == sensor->pixel_array <------><------> && sel->pad == SMIAPP_PA_PAD_SRC) <------><------><------>return 0; <------><------>if (ssd == sensor->src <------><------> && sel->pad == SMIAPP_PAD_SRC) <------><------><------>return 0; <------><------>if (ssd == sensor->scaler <------><------> && sel->pad == SMIAPP_PAD_SINK <------><------> && SMIA_LIM(sensor, DIGITAL_CROP_CAPABILITY) <------><------> == SMIAPP_DIGITAL_CROP_CAPABILITY_INPUT_CROP) <------><------><------>return 0; <------><------>return -EINVAL; <------>case V4L2_SEL_TGT_NATIVE_SIZE: <------><------>if (ssd == sensor->pixel_array <------><------> && sel->pad == SMIAPP_PA_PAD_SRC) <------><------><------>return 0; <------><------>return -EINVAL; <------>case V4L2_SEL_TGT_COMPOSE: <------>case V4L2_SEL_TGT_COMPOSE_BOUNDS: <------><------>if (sel->pad == ssd->source_pad) <------><------><------>return -EINVAL; <------><------>if (ssd == sensor->binner) <------><------><------>return 0; <------><------>if (ssd == sensor->scaler <------><------> && SMIA_LIM(sensor, SCALING_CAPABILITY) <------><------> != SMIAPP_SCALING_CAPABILITY_NONE) <------><------><------>return 0; <------><------>fallthrough; <------>default: <------><------>return -EINVAL; <------>} } static int smiapp_set_crop(struct v4l2_subdev *subdev, <------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------> struct v4l2_subdev_selection *sel) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>struct smiapp_subdev *ssd = to_smiapp_subdev(subdev); <------>struct v4l2_rect *src_size, *crops[SMIAPP_PADS]; <------>struct v4l2_rect _r; <------>smiapp_get_crop_compose(subdev, cfg, crops, NULL, sel->which); <------>if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE) { <------><------>if (sel->pad == ssd->sink_pad) <------><------><------>src_size = &ssd->sink_fmt; <------><------>else <------><------><------>src_size = &ssd->compose; <------>} else { <------><------>if (sel->pad == ssd->sink_pad) { <------><------><------>_r.left = 0; <------><------><------>_r.top = 0; <------><------><------>_r.width = v4l2_subdev_get_try_format(subdev, cfg, sel->pad) <------><------><------><------>->width; <------><------><------>_r.height = v4l2_subdev_get_try_format(subdev, cfg, sel->pad) <------><------><------><------>->height; <------><------><------>src_size = &_r; <------><------>} else { <------><------><------>src_size = v4l2_subdev_get_try_compose( <------><------><------><------>subdev, cfg, ssd->sink_pad); <------><------>} <------>} <------>if (ssd == sensor->src && sel->pad == SMIAPP_PAD_SRC) { <------><------>sel->r.left = 0; <------><------>sel->r.top = 0; <------>} <------>sel->r.width = min(sel->r.width, src_size->width); <------>sel->r.height = min(sel->r.height, src_size->height); <------>sel->r.left = min_t(int, sel->r.left, src_size->width - sel->r.width); <------>sel->r.top = min_t(int, sel->r.top, src_size->height - sel->r.height); <------>*crops[sel->pad] = sel->r; <------>if (ssd != sensor->pixel_array && sel->pad == SMIAPP_PAD_SINK) <------><------>smiapp_propagate(subdev, cfg, sel->which, <------><------><------><------> V4L2_SEL_TGT_CROP); <------>return 0; } static void smiapp_get_native_size(struct smiapp_subdev *ssd, <------><------><------><------> struct v4l2_rect *r) { <------>r->top = 0; <------>r->left = 0; <------>r->width = SMIA_LIM(ssd->sensor, X_ADDR_MAX) + 1; <------>r->height = SMIA_LIM(ssd->sensor, Y_ADDR_MAX) + 1; } static int __smiapp_get_selection(struct v4l2_subdev *subdev, <------><------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------><------> struct v4l2_subdev_selection *sel) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>struct smiapp_subdev *ssd = to_smiapp_subdev(subdev); <------>struct v4l2_rect *comp, *crops[SMIAPP_PADS]; <------>struct v4l2_rect sink_fmt; <------>int ret; <------>ret = __smiapp_sel_supported(subdev, sel); <------>if (ret) <------><------>return ret; <------>smiapp_get_crop_compose(subdev, cfg, crops, &comp, sel->which); <------>if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE) { <------><------>sink_fmt = ssd->sink_fmt; <------>} else { <------><------>struct v4l2_mbus_framefmt *fmt = <------><------><------>v4l2_subdev_get_try_format(subdev, cfg, ssd->sink_pad); <------><------>sink_fmt.left = 0; <------><------>sink_fmt.top = 0; <------><------>sink_fmt.width = fmt->width; <------><------>sink_fmt.height = fmt->height; <------>} <------>switch (sel->target) { <------>case V4L2_SEL_TGT_CROP_BOUNDS: <------>case V4L2_SEL_TGT_NATIVE_SIZE: <------><------>if (ssd == sensor->pixel_array) <------><------><------>smiapp_get_native_size(ssd, &sel->r); <------><------>else if (sel->pad == ssd->sink_pad) <------><------><------>sel->r = sink_fmt; <------><------>else <------><------><------>sel->r = *comp; <------><------>break; <------>case V4L2_SEL_TGT_CROP: <------>case V4L2_SEL_TGT_COMPOSE_BOUNDS: <------><------>sel->r = *crops[sel->pad]; <------><------>break; <------>case V4L2_SEL_TGT_COMPOSE: <------><------>sel->r = *comp; <------><------>break; <------>} <------>return 0; } static int smiapp_get_selection(struct v4l2_subdev *subdev, <------><------><------><------>struct v4l2_subdev_pad_config *cfg, <------><------><------><------>struct v4l2_subdev_selection *sel) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>int rval; <------>mutex_lock(&sensor->mutex); <------>rval = __smiapp_get_selection(subdev, cfg, sel); <------>mutex_unlock(&sensor->mutex); <------>return rval; } static int smiapp_set_selection(struct v4l2_subdev *subdev, <------><------><------><------>struct v4l2_subdev_pad_config *cfg, <------><------><------><------>struct v4l2_subdev_selection *sel) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>int ret; <------>ret = __smiapp_sel_supported(subdev, sel); <------>if (ret) <------><------>return ret; <------>mutex_lock(&sensor->mutex); <------>sel->r.left = max(0, sel->r.left & ~1); <------>sel->r.top = max(0, sel->r.top & ~1); <------>sel->r.width = SMIAPP_ALIGN_DIM(sel->r.width, sel->flags); <------>sel->r.height = SMIAPP_ALIGN_DIM(sel->r.height, sel->flags); <------>sel->r.width = max_t(unsigned int, <------><------><------> SMIA_LIM(sensor, MIN_X_OUTPUT_SIZE), <------><------><------> sel->r.width); <------>sel->r.height = max_t(unsigned int, <------><------><------> SMIA_LIM(sensor, MIN_Y_OUTPUT_SIZE), <------><------><------> sel->r.height); <------>switch (sel->target) { <------>case V4L2_SEL_TGT_CROP: <------><------>ret = smiapp_set_crop(subdev, cfg, sel); <------><------>break; <------>case V4L2_SEL_TGT_COMPOSE: <------><------>ret = smiapp_set_compose(subdev, cfg, sel); <------><------>break; <------>default: <------><------>ret = -EINVAL; <------>} <------>mutex_unlock(&sensor->mutex); <------>return ret; } static int smiapp_get_skip_frames(struct v4l2_subdev *subdev, u32 *frames) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>*frames = sensor->frame_skip; <------>return 0; } static int smiapp_get_skip_top_lines(struct v4l2_subdev *subdev, u32 *lines) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>*lines = sensor->image_start; <------>return 0; } /* ----------------------------------------------------------------------------- * sysfs attributes */ static ssize_t smiapp_sysfs_nvm_read(struct device *dev, struct device_attribute *attr, <------><------> char *buf) { <------>struct v4l2_subdev *subdev = i2c_get_clientdata(to_i2c_client(dev)); <------>struct i2c_client *client = v4l2_get_subdevdata(subdev); <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>int rval; <------>if (!sensor->dev_init_done) <------><------>return -EBUSY; <------>rval = smiapp_pm_get_init(sensor); <------>if (rval < 0) <------><------>return -ENODEV; <------>rval = smiapp_read_nvm(sensor, buf, PAGE_SIZE); <------>if (rval < 0) { <------><------>pm_runtime_put(&client->dev); <------><------>dev_err(&client->dev, "nvm read failed\n"); <------><------>return -ENODEV; <------>} <------>pm_runtime_mark_last_busy(&client->dev); <------>pm_runtime_put_autosuspend(&client->dev); <------>/* <------> * NVM is still way below a PAGE_SIZE, so we can safely <------> * assume this for now. <------> */ <------>return rval; } static DEVICE_ATTR(nvm, S_IRUGO, smiapp_sysfs_nvm_read, NULL); static ssize_t smiapp_sysfs_ident_read(struct device *dev, struct device_attribute *attr, <------><------><------>char *buf) { <------>struct v4l2_subdev *subdev = i2c_get_clientdata(to_i2c_client(dev)); <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>struct smiapp_module_info *minfo = &sensor->minfo; <------>return snprintf(buf, PAGE_SIZE, "%2.2x%4.4x%2.2x\n", <------><------><------>minfo->manufacturer_id, minfo->model_id, <------><------><------>minfo->revision_number_major) + 1; } static DEVICE_ATTR(ident, S_IRUGO, smiapp_sysfs_ident_read, NULL); /* ----------------------------------------------------------------------------- * V4L2 subdev core operations */ static int smiapp_identify_module(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>struct smiapp_module_info *minfo = &sensor->minfo; <------>unsigned int i; <------>int rval = 0; <------>minfo->name = SMIAPP_NAME; <------>/* Module info */ <------>rval = smiapp_read_8only(sensor, SMIAPP_REG_U8_MANUFACTURER_ID, <------><------><------><------> &minfo->manufacturer_id); <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, SMIAPP_REG_U16_MODEL_ID, <------><------><------><------><------> &minfo->model_id); <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, <------><------><------><------><------> SMIAPP_REG_U8_REVISION_NUMBER_MAJOR, <------><------><------><------><------> &minfo->revision_number_major); <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, <------><------><------><------><------> SMIAPP_REG_U8_REVISION_NUMBER_MINOR, <------><------><------><------><------> &minfo->revision_number_minor); <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, <------><------><------><------><------> SMIAPP_REG_U8_MODULE_DATE_YEAR, <------><------><------><------><------> &minfo->module_year); <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, <------><------><------><------><------> SMIAPP_REG_U8_MODULE_DATE_MONTH, <------><------><------><------><------> &minfo->module_month); <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, SMIAPP_REG_U8_MODULE_DATE_DAY, <------><------><------><------><------> &minfo->module_day); <------>/* Sensor info */ <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, <------><------><------><------><------> SMIAPP_REG_U8_SENSOR_MANUFACTURER_ID, <------><------><------><------><------> &minfo->sensor_manufacturer_id); <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, <------><------><------><------><------> SMIAPP_REG_U16_SENSOR_MODEL_ID, <------><------><------><------><------> &minfo->sensor_model_id); <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, <------><------><------><------><------> SMIAPP_REG_U8_SENSOR_REVISION_NUMBER, <------><------><------><------><------> &minfo->sensor_revision_number); <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, <------><------><------><------><------> SMIAPP_REG_U8_SENSOR_FIRMWARE_VERSION, <------><------><------><------><------> &minfo->sensor_firmware_version); <------>/* SMIA */ <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, SMIAPP_REG_U8_SMIA_VERSION, <------><------><------><------><------> &minfo->smia_version); <------>if (!rval) <------><------>rval = smiapp_read_8only(sensor, SMIAPP_REG_U8_SMIAPP_VERSION, <------><------><------><------><------> &minfo->smiapp_version); <------>if (rval) { <------><------>dev_err(&client->dev, "sensor detection failed\n"); <------><------>return -ENODEV; <------>} <------>dev_dbg(&client->dev, "module 0x%2.2x-0x%4.4x\n", <------><------>minfo->manufacturer_id, minfo->model_id); <------>dev_dbg(&client->dev, <------><------>"module revision 0x%2.2x-0x%2.2x date %2.2d-%2.2d-%2.2d\n", <------><------>minfo->revision_number_major, minfo->revision_number_minor, <------><------>minfo->module_year, minfo->module_month, minfo->module_day); <------>dev_dbg(&client->dev, "sensor 0x%2.2x-0x%4.4x\n", <------><------>minfo->sensor_manufacturer_id, minfo->sensor_model_id); <------>dev_dbg(&client->dev, <------><------>"sensor revision 0x%2.2x firmware version 0x%2.2x\n", <------><------>minfo->sensor_revision_number, minfo->sensor_firmware_version); <------>dev_dbg(&client->dev, "smia version %2.2d smiapp version %2.2d\n", <------><------>minfo->smia_version, minfo->smiapp_version); <------>/* <------> * Some modules have bad data in the lvalues below. Hope the <------> * rvalues have better stuff. The lvalues are module <------> * parameters whereas the rvalues are sensor parameters. <------> */ <------>if (!minfo->manufacturer_id && !minfo->model_id) { <------><------>minfo->manufacturer_id = minfo->sensor_manufacturer_id; <------><------>minfo->model_id = minfo->sensor_model_id; <------><------>minfo->revision_number_major = minfo->sensor_revision_number; <------>} <------>for (i = 0; i < ARRAY_SIZE(smiapp_module_idents); i++) { <------><------>if (smiapp_module_idents[i].manufacturer_id <------><------> != minfo->manufacturer_id) <------><------><------>continue; <------><------>if (smiapp_module_idents[i].model_id != minfo->model_id) <------><------><------>continue; <------><------>if (smiapp_module_idents[i].flags <------><------> & SMIAPP_MODULE_IDENT_FLAG_REV_LE) { <------><------><------>if (smiapp_module_idents[i].revision_number_major <------><------><------> < minfo->revision_number_major) <------><------><------><------>continue; <------><------>} else { <------><------><------>if (smiapp_module_idents[i].revision_number_major <------><------><------> != minfo->revision_number_major) <------><------><------><------>continue; <------><------>} <------><------>minfo->name = smiapp_module_idents[i].name; <------><------>minfo->quirk = smiapp_module_idents[i].quirk; <------><------>break; <------>} <------>if (i >= ARRAY_SIZE(smiapp_module_idents)) <------><------>dev_warn(&client->dev, <------><------><------> "no quirks for this module; let's hope it's fully compliant\n"); <------>dev_dbg(&client->dev, "the sensor is called %s, ident %2.2x%4.4x%2.2x\n", <------><------>minfo->name, minfo->manufacturer_id, minfo->model_id, <------><------>minfo->revision_number_major); <------>return 0; } static const struct v4l2_subdev_ops smiapp_ops; static const struct v4l2_subdev_internal_ops smiapp_internal_ops; static const struct media_entity_operations smiapp_entity_ops; static int smiapp_register_subdev(struct smiapp_sensor *sensor, <------><------><------><------> struct smiapp_subdev *ssd, <------><------><------><------> struct smiapp_subdev *sink_ssd, <------><------><------><------> u16 source_pad, u16 sink_pad, u32 link_flags) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>int rval; <------>if (!sink_ssd) <------><------>return 0; <------>rval = media_entity_pads_init(&ssd->sd.entity, <------><------><------><------> ssd->npads, ssd->pads); <------>if (rval) { <------><------>dev_err(&client->dev, <------><------><------>"media_entity_pads_init failed\n"); <------><------>return rval; <------>} <------>rval = v4l2_device_register_subdev(sensor->src->sd.v4l2_dev, <------><------><------><------><------> &ssd->sd); <------>if (rval) { <------><------>dev_err(&client->dev, <------><------><------>"v4l2_device_register_subdev failed\n"); <------><------>return rval; <------>} <------>rval = media_create_pad_link(&ssd->sd.entity, source_pad, <------><------><------><------> &sink_ssd->sd.entity, sink_pad, <------><------><------><------> link_flags); <------>if (rval) { <------><------>dev_err(&client->dev, <------><------><------>"media_create_pad_link failed\n"); <------><------>v4l2_device_unregister_subdev(&ssd->sd); <------><------>return rval; <------>} <------>return 0; } static void smiapp_unregistered(struct v4l2_subdev *subdev) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>unsigned int i; <------>for (i = 1; i < sensor->ssds_used; i++) <------><------>v4l2_device_unregister_subdev(&sensor->ssds[i].sd); } static int smiapp_registered(struct v4l2_subdev *subdev) { <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>int rval; <------>if (sensor->scaler) { <------><------>rval = smiapp_register_subdev( <------><------><------>sensor, sensor->binner, sensor->scaler, <------><------><------>SMIAPP_PAD_SRC, SMIAPP_PAD_SINK, <------><------><------>MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE); <------><------>if (rval < 0) <------><------><------>return rval; <------>} <------>rval = smiapp_register_subdev( <------><------>sensor, sensor->pixel_array, sensor->binner, <------><------>SMIAPP_PA_PAD_SRC, SMIAPP_PAD_SINK, <------><------>MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE); <------>if (rval) <------><------>goto out_err; <------>return 0; out_err: <------>smiapp_unregistered(subdev); <------>return rval; } static void smiapp_cleanup(struct smiapp_sensor *sensor) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>device_remove_file(&client->dev, &dev_attr_nvm); <------>device_remove_file(&client->dev, &dev_attr_ident); <------>smiapp_free_controls(sensor); } static void smiapp_create_subdev(struct smiapp_sensor *sensor, <------><------><------><------> struct smiapp_subdev *ssd, const char *name, <------><------><------><------> unsigned short num_pads) { <------>struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); <------>if (!ssd) <------><------>return; <------>if (ssd != sensor->src) <------><------>v4l2_subdev_init(&ssd->sd, &smiapp_ops); <------>ssd->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; <------>ssd->sensor = sensor; <------>ssd->npads = num_pads; <------>ssd->source_pad = num_pads - 1; <------>v4l2_i2c_subdev_set_name(&ssd->sd, client, sensor->minfo.name, name); <------>smiapp_get_native_size(ssd, &ssd->sink_fmt); <------>ssd->compose.width = ssd->sink_fmt.width; <------>ssd->compose.height = ssd->sink_fmt.height; <------>ssd->crop[ssd->source_pad] = ssd->compose; <------>ssd->pads[ssd->source_pad].flags = MEDIA_PAD_FL_SOURCE; <------>if (ssd != sensor->pixel_array) { <------><------>ssd->crop[ssd->sink_pad] = ssd->compose; <------><------>ssd->pads[ssd->sink_pad].flags = MEDIA_PAD_FL_SINK; <------>} <------>ssd->sd.entity.ops = &smiapp_entity_ops; <------>if (ssd == sensor->src) <------><------>return; <------>ssd->sd.internal_ops = &smiapp_internal_ops; <------>ssd->sd.owner = THIS_MODULE; <------>ssd->sd.dev = &client->dev; <------>v4l2_set_subdevdata(&ssd->sd, client); } static int smiapp_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { <------>struct smiapp_subdev *ssd = to_smiapp_subdev(sd); <------>struct smiapp_sensor *sensor = ssd->sensor; <------>unsigned int i; <------>mutex_lock(&sensor->mutex); <------>for (i = 0; i < ssd->npads; i++) { <------><------>struct v4l2_mbus_framefmt *try_fmt = <------><------><------>v4l2_subdev_get_try_format(sd, fh->pad, i); <------><------>struct v4l2_rect *try_crop = <------><------><------>v4l2_subdev_get_try_crop(sd, fh->pad, i); <------><------>struct v4l2_rect *try_comp; <------><------>smiapp_get_native_size(ssd, try_crop); <------><------>try_fmt->width = try_crop->width; <------><------>try_fmt->height = try_crop->height; <------><------>try_fmt->code = sensor->internal_csi_format->code; <------><------>try_fmt->field = V4L2_FIELD_NONE; <------><------>if (ssd != sensor->pixel_array) <------><------><------>continue; <------><------>try_comp = v4l2_subdev_get_try_compose(sd, fh->pad, i); <------><------>*try_comp = *try_crop; <------>} <------>mutex_unlock(&sensor->mutex); <------>return 0; } static const struct v4l2_subdev_video_ops smiapp_video_ops = { <------>.s_stream = smiapp_set_stream, }; static const struct v4l2_subdev_pad_ops smiapp_pad_ops = { <------>.enum_mbus_code = smiapp_enum_mbus_code, <------>.get_fmt = smiapp_get_format, <------>.set_fmt = smiapp_set_format, <------>.get_selection = smiapp_get_selection, <------>.set_selection = smiapp_set_selection, }; static const struct v4l2_subdev_sensor_ops smiapp_sensor_ops = { <------>.g_skip_frames = smiapp_get_skip_frames, <------>.g_skip_top_lines = smiapp_get_skip_top_lines, }; static const struct v4l2_subdev_ops smiapp_ops = { <------>.video = &smiapp_video_ops, <------>.pad = &smiapp_pad_ops, <------>.sensor = &smiapp_sensor_ops, }; static const struct media_entity_operations smiapp_entity_ops = { <------>.link_validate = v4l2_subdev_link_validate, }; static const struct v4l2_subdev_internal_ops smiapp_internal_src_ops = { <------>.registered = smiapp_registered, <------>.unregistered = smiapp_unregistered, <------>.open = smiapp_open, }; static const struct v4l2_subdev_internal_ops smiapp_internal_ops = { <------>.open = smiapp_open, }; /* ----------------------------------------------------------------------------- * I2C Driver */ static int __maybe_unused smiapp_suspend(struct device *dev) { <------>struct i2c_client *client = to_i2c_client(dev); <------>struct v4l2_subdev *subdev = i2c_get_clientdata(client); <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>bool streaming = sensor->streaming; <------>int rval; <------>rval = pm_runtime_get_sync(dev); <------>if (rval < 0) { <------><------>if (rval != -EBUSY && rval != -EAGAIN) <------><------><------>pm_runtime_set_active(&client->dev); <------><------>pm_runtime_put(dev); <------><------>return -EAGAIN; <------>} <------>if (sensor->streaming) <------><------>smiapp_stop_streaming(sensor); <------>/* save state for resume */ <------>sensor->streaming = streaming; <------>return 0; } static int __maybe_unused smiapp_resume(struct device *dev) { <------>struct i2c_client *client = to_i2c_client(dev); <------>struct v4l2_subdev *subdev = i2c_get_clientdata(client); <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>int rval = 0; <------>pm_runtime_put(dev); <------>if (sensor->streaming) <------><------>rval = smiapp_start_streaming(sensor); <------>return rval; } static struct smiapp_hwconfig *smiapp_get_hwconfig(struct device *dev) { <------>struct smiapp_hwconfig *hwcfg; <------>struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 }; <------>struct fwnode_handle *ep; <------>struct fwnode_handle *fwnode = dev_fwnode(dev); <------>u32 rotation; <------>int i; <------>int rval; <------>if (!fwnode) <------><------>return dev->platform_data; <------>ep = fwnode_graph_get_next_endpoint(fwnode, NULL); <------>if (!ep) <------><------>return NULL; <------>bus_cfg.bus_type = V4L2_MBUS_CSI2_DPHY; <------>rval = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); <------>if (rval == -ENXIO) { <------><------>bus_cfg = (struct v4l2_fwnode_endpoint) <------><------><------>{ .bus_type = V4L2_MBUS_CCP2 }; <------><------>rval = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); <------>} <------>if (rval) <------><------>goto out_err; <------>hwcfg = devm_kzalloc(dev, sizeof(*hwcfg), GFP_KERNEL); <------>if (!hwcfg) <------><------>goto out_err; <------>switch (bus_cfg.bus_type) { <------>case V4L2_MBUS_CSI2_DPHY: <------><------>hwcfg->csi_signalling_mode = SMIAPP_CSI_SIGNALLING_MODE_CSI2; <------><------>hwcfg->lanes = bus_cfg.bus.mipi_csi2.num_data_lanes; <------><------>break; <------>case V4L2_MBUS_CCP2: <------><------>hwcfg->csi_signalling_mode = (bus_cfg.bus.mipi_csi1.strobe) ? <------><------>SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_STROBE : <------><------>SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_CLOCK; <------><------>hwcfg->lanes = 1; <------><------>break; <------>default: <------><------>dev_err(dev, "unsupported bus %u\n", bus_cfg.bus_type); <------><------>goto out_err; <------>} <------>dev_dbg(dev, "lanes %u\n", hwcfg->lanes); <------>rval = fwnode_property_read_u32(fwnode, "rotation", &rotation); <------>if (!rval) { <------><------>switch (rotation) { <------><------>case 180: <------><------><------>hwcfg->module_board_orient = <------><------><------><------>SMIAPP_MODULE_BOARD_ORIENT_180; <------><------><------>fallthrough; <------><------>case 0: <------><------><------>break; <------><------>default: <------><------><------>dev_err(dev, "invalid rotation %u\n", rotation); <------><------><------>goto out_err; <------><------>} <------>} <------>rval = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency", <------><------><------><------><------>&hwcfg->ext_clk); <------>if (rval) <------><------>dev_info(dev, "can't get clock-frequency\n"); <------>dev_dbg(dev, "clk %d, mode %d\n", hwcfg->ext_clk, <------><------>hwcfg->csi_signalling_mode); <------>if (!bus_cfg.nr_of_link_frequencies) { <------><------>dev_warn(dev, "no link frequencies defined\n"); <------><------>goto out_err; <------>} <------>hwcfg->op_sys_clock = devm_kcalloc( <------><------>dev, bus_cfg.nr_of_link_frequencies + 1 /* guardian */, <------><------>sizeof(*hwcfg->op_sys_clock), GFP_KERNEL); <------>if (!hwcfg->op_sys_clock) <------><------>goto out_err; <------>for (i = 0; i < bus_cfg.nr_of_link_frequencies; i++) { <------><------>hwcfg->op_sys_clock[i] = bus_cfg.link_frequencies[i]; <------><------>dev_dbg(dev, "freq %d: %lld\n", i, hwcfg->op_sys_clock[i]); <------>} <------>v4l2_fwnode_endpoint_free(&bus_cfg); <------>fwnode_handle_put(ep); <------>return hwcfg; out_err: <------>v4l2_fwnode_endpoint_free(&bus_cfg); <------>fwnode_handle_put(ep); <------>return NULL; } static int smiapp_probe(struct i2c_client *client) { <------>struct smiapp_sensor *sensor; <------>struct smiapp_hwconfig *hwcfg = smiapp_get_hwconfig(&client->dev); <------>unsigned int i; <------>int rval; <------>if (hwcfg == NULL) <------><------>return -ENODEV; <------>sensor = devm_kzalloc(&client->dev, sizeof(*sensor), GFP_KERNEL); <------>if (sensor == NULL) <------><------>return -ENOMEM; <------>sensor->hwcfg = hwcfg; <------>sensor->src = &sensor->ssds[sensor->ssds_used]; <------>v4l2_i2c_subdev_init(&sensor->src->sd, client, &smiapp_ops); <------>sensor->src->sd.internal_ops = &smiapp_internal_src_ops; <------>sensor->vana = devm_regulator_get(&client->dev, "vana"); <------>if (IS_ERR(sensor->vana)) { <------><------>dev_err(&client->dev, "could not get regulator for vana\n"); <------><------>return PTR_ERR(sensor->vana); <------>} <------>sensor->ext_clk = devm_clk_get(&client->dev, NULL); <------>if (PTR_ERR(sensor->ext_clk) == -ENOENT) { <------><------>dev_info(&client->dev, "no clock defined, continuing...\n"); <------><------>sensor->ext_clk = NULL; <------>} else if (IS_ERR(sensor->ext_clk)) { <------><------>dev_err(&client->dev, "could not get clock (%ld)\n", <------><------><------>PTR_ERR(sensor->ext_clk)); <------><------>return -EPROBE_DEFER; <------>} <------>if (sensor->ext_clk) { <------><------>if (sensor->hwcfg->ext_clk) { <------><------><------>unsigned long rate; <------><------><------>rval = clk_set_rate(sensor->ext_clk, <------><------><------><------><------> sensor->hwcfg->ext_clk); <------><------><------>if (rval < 0) { <------><------><------><------>dev_err(&client->dev, <------><------><------><------><------>"unable to set clock freq to %u\n", <------><------><------><------><------>sensor->hwcfg->ext_clk); <------><------><------><------>return rval; <------><------><------>} <------><------><------>rate = clk_get_rate(sensor->ext_clk); <------><------><------>if (rate != sensor->hwcfg->ext_clk) { <------><------><------><------>dev_err(&client->dev, <------><------><------><------><------>"can't set clock freq, asked for %u but got %lu\n", <------><------><------><------><------>sensor->hwcfg->ext_clk, rate); <------><------><------><------>return rval; <------><------><------>} <------><------>} else { <------><------><------>sensor->hwcfg->ext_clk = clk_get_rate(sensor->ext_clk); <------><------><------>dev_dbg(&client->dev, "obtained clock freq %u\n", <------><------><------><------>sensor->hwcfg->ext_clk); <------><------>} <------>} else if (sensor->hwcfg->ext_clk) { <------><------>dev_dbg(&client->dev, "assuming clock freq %u\n", <------><------><------>sensor->hwcfg->ext_clk); <------>} else { <------><------>dev_err(&client->dev, "unable to obtain clock freq\n"); <------><------>return -EINVAL; <------>} <------>sensor->xshutdown = devm_gpiod_get_optional(&client->dev, "xshutdown", <------><------><------><------><------><------> GPIOD_OUT_LOW); <------>if (IS_ERR(sensor->xshutdown)) <------><------>return PTR_ERR(sensor->xshutdown); <------>rval = smiapp_power_on(&client->dev); <------>if (rval < 0) <------><------>return rval; <------>mutex_init(&sensor->mutex); <------>rval = smiapp_identify_module(sensor); <------>if (rval) { <------><------>rval = -ENODEV; <------><------>goto out_power_off; <------>} <------>rval = smiapp_read_all_smia_limits(sensor); <------>if (rval) { <------><------>rval = -ENODEV; <------><------>goto out_power_off; <------>} <------>rval = smiapp_read_frame_fmt(sensor); <------>if (rval) { <------><------>rval = -ENODEV; <------><------>goto out_power_off; <------>} <------>/* <------> * Handle Sensor Module orientation on the board. <------> * <------> * The application of H-FLIP and V-FLIP on the sensor is modified by <------> * the sensor orientation on the board. <------> * <------> * For SMIAPP_BOARD_SENSOR_ORIENT_180 the default behaviour is to set <------> * both H-FLIP and V-FLIP for normal operation which also implies <------> * that a set/unset operation for user space HFLIP and VFLIP v4l2 <------> * controls will need to be internally inverted. <------> * <------> * Rotation also changes the bayer pattern. <------> */ <------>if (sensor->hwcfg->module_board_orient == <------> SMIAPP_MODULE_BOARD_ORIENT_180) <------><------>sensor->hvflip_inv_mask = SMIAPP_IMAGE_ORIENTATION_HFLIP | <------><------><------><------><------> SMIAPP_IMAGE_ORIENTATION_VFLIP; <------>rval = smiapp_call_quirk(sensor, limits); <------>if (rval) { <------><------>dev_err(&client->dev, "limits quirks failed\n"); <------><------>goto out_power_off; <------>} <------>if (SMIA_LIM(sensor, BINNING_CAPABILITY)) { <------><------>u32 val; <------><------>rval = smiapp_read(sensor, <------><------><------><------> SMIAPP_REG_U8_BINNING_SUBTYPES, &val); <------><------>if (rval < 0) { <------><------><------>rval = -ENODEV; <------><------><------>goto out_power_off; <------><------>} <------><------>sensor->nbinning_subtypes = min_t(u8, val, <------><------><------><------><------><------> SMIAPP_BINNING_SUBTYPES); <------><------>for (i = 0; i < sensor->nbinning_subtypes; i++) { <------><------><------>rval = smiapp_read( <------><------><------><------>sensor, SMIAPP_REG_U8_BINNING_TYPE_n(i), &val); <------><------><------>if (rval < 0) { <------><------><------><------>rval = -ENODEV; <------><------><------><------>goto out_power_off; <------><------><------>} <------><------><------>sensor->binning_subtypes[i] = <------><------><------><------>*(struct smiapp_binning_subtype *)&val; <------><------><------>dev_dbg(&client->dev, "binning %xx%x\n", <------><------><------><------>sensor->binning_subtypes[i].horizontal, <------><------><------><------>sensor->binning_subtypes[i].vertical); <------><------>} <------>} <------>sensor->binning_horizontal = 1; <------>sensor->binning_vertical = 1; <------>if (device_create_file(&client->dev, &dev_attr_ident) != 0) { <------><------>dev_err(&client->dev, "sysfs ident entry creation failed\n"); <------><------>rval = -ENOENT; <------><------>goto out_power_off; <------>} <------>if (sensor->minfo.smiapp_version && <------> SMIA_LIM(sensor, DATA_TRANSFER_IF_CAPABILITY) & <------> SMIAPP_DATA_TRANSFER_IF_CAPABILITY_SUPPORTED) { <------><------>if (device_create_file(&client->dev, &dev_attr_nvm) != 0) { <------><------><------>dev_err(&client->dev, "sysfs nvm entry failed\n"); <------><------><------>rval = -EBUSY; <------><------><------>goto out_cleanup; <------><------>} <------>} <------>/* We consider this as profile 0 sensor if any of these are zero. */ <------>if (!SMIA_LIM(sensor, MIN_OP_SYS_CLK_DIV) || <------> !SMIA_LIM(sensor, MAX_OP_SYS_CLK_DIV) || <------> !SMIA_LIM(sensor, MIN_OP_PIX_CLK_DIV) || <------> !SMIA_LIM(sensor, MAX_OP_PIX_CLK_DIV)) { <------><------>sensor->minfo.smiapp_profile = SMIAPP_PROFILE_0; <------>} else if (SMIA_LIM(sensor, SCALING_CAPABILITY) <------><------> != SMIAPP_SCALING_CAPABILITY_NONE) { <------><------>if (SMIA_LIM(sensor, SCALING_CAPABILITY) <------><------> == SMIAPP_SCALING_CAPABILITY_HORIZONTAL) <------><------><------>sensor->minfo.smiapp_profile = SMIAPP_PROFILE_1; <------><------>else <------><------><------>sensor->minfo.smiapp_profile = SMIAPP_PROFILE_2; <------><------>sensor->scaler = &sensor->ssds[sensor->ssds_used]; <------><------>sensor->ssds_used++; <------>} else if (SMIA_LIM(sensor, DIGITAL_CROP_CAPABILITY) <------><------> == SMIAPP_DIGITAL_CROP_CAPABILITY_INPUT_CROP) { <------><------>sensor->scaler = &sensor->ssds[sensor->ssds_used]; <------><------>sensor->ssds_used++; <------>} <------>sensor->binner = &sensor->ssds[sensor->ssds_used]; <------>sensor->ssds_used++; <------>sensor->pixel_array = &sensor->ssds[sensor->ssds_used]; <------>sensor->ssds_used++; <------>sensor->scale_m = SMIA_LIM(sensor, SCALER_N_MIN); <------>/* prepare PLL configuration input values */ <------>sensor->pll.bus_type = SMIAPP_PLL_BUS_TYPE_CSI2; <------>sensor->pll.csi2.lanes = sensor->hwcfg->lanes; <------>sensor->pll.ext_clk_freq_hz = sensor->hwcfg->ext_clk; <------>sensor->pll.scale_n = SMIA_LIM(sensor, SCALER_N_MIN); <------>/* Profile 0 sensors have no separate OP clock branch. */ <------>if (sensor->minfo.smiapp_profile == SMIAPP_PROFILE_0) <------><------>sensor->pll.flags |= SMIAPP_PLL_FLAG_NO_OP_CLOCKS; <------>smiapp_create_subdev(sensor, sensor->scaler, " scaler", 2); <------>smiapp_create_subdev(sensor, sensor->binner, " binner", 2); <------>smiapp_create_subdev(sensor, sensor->pixel_array, " pixel_array", 1); <------>dev_dbg(&client->dev, "profile %d\n", sensor->minfo.smiapp_profile); <------>sensor->pixel_array->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; <------>rval = smiapp_init_controls(sensor); <------>if (rval < 0) <------><------>goto out_cleanup; <------>rval = smiapp_call_quirk(sensor, init); <------>if (rval) <------><------>goto out_cleanup; <------>rval = smiapp_get_mbus_formats(sensor); <------>if (rval) { <------><------>rval = -ENODEV; <------><------>goto out_cleanup; <------>} <------>rval = smiapp_init_late_controls(sensor); <------>if (rval) { <------><------>rval = -ENODEV; <------><------>goto out_cleanup; <------>} <------>mutex_lock(&sensor->mutex); <------>rval = smiapp_pll_blanking_update(sensor); <------>mutex_unlock(&sensor->mutex); <------>if (rval) { <------><------>dev_err(&client->dev, "update mode failed\n"); <------><------>goto out_cleanup; <------>} <------>sensor->streaming = false; <------>sensor->dev_init_done = true; <------>rval = media_entity_pads_init(&sensor->src->sd.entity, 2, <------><------><------><------> sensor->src->pads); <------>if (rval < 0) <------><------>goto out_media_entity_cleanup; <------>pm_runtime_set_active(&client->dev); <------>pm_runtime_get_noresume(&client->dev); <------>pm_runtime_enable(&client->dev); <------>rval = v4l2_async_register_subdev_sensor_common(&sensor->src->sd); <------>if (rval < 0) <------><------>goto out_disable_runtime_pm; <------>pm_runtime_set_autosuspend_delay(&client->dev, 1000); <------>pm_runtime_use_autosuspend(&client->dev); <------>pm_runtime_put_autosuspend(&client->dev); <------>return 0; out_disable_runtime_pm: <------>pm_runtime_put_noidle(&client->dev); <------>pm_runtime_disable(&client->dev); out_media_entity_cleanup: <------>media_entity_cleanup(&sensor->src->sd.entity); out_cleanup: <------>smiapp_cleanup(sensor); out_power_off: <------>smiapp_power_off(&client->dev); <------>mutex_destroy(&sensor->mutex); <------>return rval; } static int smiapp_remove(struct i2c_client *client) { <------>struct v4l2_subdev *subdev = i2c_get_clientdata(client); <------>struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); <------>unsigned int i; <------>v4l2_async_unregister_subdev(subdev); <------>pm_runtime_disable(&client->dev); <------>if (!pm_runtime_status_suspended(&client->dev)) <------><------>smiapp_power_off(&client->dev); <------>pm_runtime_set_suspended(&client->dev); <------>for (i = 0; i < sensor->ssds_used; i++) { <------><------>v4l2_device_unregister_subdev(&sensor->ssds[i].sd); <------><------>media_entity_cleanup(&sensor->ssds[i].sd.entity); <------>} <------>smiapp_cleanup(sensor); <------>mutex_destroy(&sensor->mutex); <------>return 0; } static const struct of_device_id smiapp_of_table[] = { <------>{ .compatible = "nokia,smia" }, <------>{ }, }; MODULE_DEVICE_TABLE(of, smiapp_of_table); static const struct i2c_device_id smiapp_id_table[] = { <------>{ SMIAPP_NAME, 0 }, <------>{ }, }; MODULE_DEVICE_TABLE(i2c, smiapp_id_table); static const struct dev_pm_ops smiapp_pm_ops = { <------>SET_SYSTEM_SLEEP_PM_OPS(smiapp_suspend, smiapp_resume) <------>SET_RUNTIME_PM_OPS(smiapp_power_off, smiapp_power_on, NULL) }; static struct i2c_driver smiapp_i2c_driver = { <------>.driver = { <------><------>.of_match_table = smiapp_of_table, <------><------>.name = SMIAPP_NAME, <------><------>.pm = &smiapp_pm_ops, <------>}, <------>.probe_new = smiapp_probe, <------>.remove = smiapp_remove, <------>.id_table = smiapp_id_table, }; module_i2c_driver(smiapp_i2c_driver); MODULE_AUTHOR("Sakari Ailus <sakari.ailus@iki.fi>"); MODULE_DESCRIPTION("Generic SMIA/SMIA++ camera module driver"); MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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