From patchwork Mon Aug 29 17:55:48 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Jarzmik X-Patchwork-Id: 9304261 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 044706077C for ; Mon, 29 Aug 2016 17:58:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E8D0F287BE for ; Mon, 29 Aug 2016 17:58:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DCE97288FF; Mon, 29 Aug 2016 17:58:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DA112287BE for ; Mon, 29 Aug 2016 17:58:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756216AbcH2R5u (ORCPT ); Mon, 29 Aug 2016 13:57:50 -0400 Received: from smtp07.smtpout.orange.fr ([80.12.242.129]:36850 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755664AbcH2R4K (ORCPT ); Mon, 29 Aug 2016 13:56:10 -0400 Received: from belgarion.home ([90.38.47.83]) by mwinf5d30 with ME id d5w31t00o1nh6NJ035w6gG; Mon, 29 Aug 2016 19:56:07 +0200 X-ME-Helo: belgarion.home X-ME-Date: Mon, 29 Aug 2016 19:56:07 +0200 X-ME-IP: 90.38.47.83 From: Robert Jarzmik To: Mauro Carvalho Chehab , Guennadi Liakhovetski , Jiri Kosina , Hans Verkuil Cc: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, Robert Jarzmik Subject: [PATCH v5 03/13] media: mt9m111: move mt9m111 out of soc_camera Date: Mon, 29 Aug 2016 19:55:48 +0200 Message-Id: <1472493358-24618-4-git-send-email-robert.jarzmik@free.fr> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1472493358-24618-1-git-send-email-robert.jarzmik@free.fr> References: <1472493358-24618-1-git-send-email-robert.jarzmik@free.fr> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As the mt9m111 is now working as a standalone v4l2 subdevice sensor, move it out of soc_camera directory and severe its dependency on soc_camera. Signed-off-by: Robert Jarzmik --- drivers/media/i2c/Kconfig | 7 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/mt9m111.c | 1033 ++++++++++++++++++++++++++++++++ drivers/media/i2c/soc_camera/Kconfig | 7 +- drivers/media/i2c/soc_camera/Makefile | 1 - drivers/media/i2c/soc_camera/mt9m111.c | 1033 -------------------------------- 6 files changed, 1046 insertions(+), 1036 deletions(-) create mode 100644 drivers/media/i2c/mt9m111.c delete mode 100644 drivers/media/i2c/soc_camera/mt9m111.c diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index ce9006e10a30..7f8790507660 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -571,6 +571,13 @@ config VIDEO_MT9M032 This driver supports MT9M032 camera sensors from Aptina, monochrome models only. +config VIDEO_MT9M111 + tristate "mt9m111, mt9m112 and mt9m131 support" + depends on I2C && VIDEO_V4L2 + help + This driver supports MT9M111, MT9M112 and MT9M131 cameras from + Micron/Aptina + config VIDEO_MT9P031 tristate "Aptina MT9P031 support" depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index 94f2c99e890d..a1a82331bebc 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -59,6 +59,7 @@ obj-$(CONFIG_VIDEO_OV7640) += ov7640.o obj-$(CONFIG_VIDEO_OV7670) += ov7670.o obj-$(CONFIG_VIDEO_OV9650) += ov9650.o obj-$(CONFIG_VIDEO_MT9M032) += mt9m032.o +obj-$(CONFIG_VIDEO_MT9M111) += mt9m111.o obj-$(CONFIG_VIDEO_MT9P031) += mt9p031.o obj-$(CONFIG_VIDEO_MT9T001) += mt9t001.o obj-$(CONFIG_VIDEO_MT9V011) += mt9v011.o diff --git a/drivers/media/i2c/mt9m111.c b/drivers/media/i2c/mt9m111.c new file mode 100644 index 000000000000..b7c4f371bae1 --- /dev/null +++ b/drivers/media/i2c/mt9m111.c @@ -0,0 +1,1033 @@ +/* + * Driver for MT9M111/MT9M112/MT9M131 CMOS Image Sensor from Micron/Aptina + * + * Copyright (C) 2008, Robert Jarzmik + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +/* + * MT9M111, MT9M112 and MT9M131: + * i2c address is 0x48 or 0x5d (depending on SADDR pin) + * The platform has to define struct i2c_board_info objects and link to them + * from struct soc_camera_host_desc + */ + +/* + * Sensor core register addresses (0x000..0x0ff) + */ +#define MT9M111_CHIP_VERSION 0x000 +#define MT9M111_ROW_START 0x001 +#define MT9M111_COLUMN_START 0x002 +#define MT9M111_WINDOW_HEIGHT 0x003 +#define MT9M111_WINDOW_WIDTH 0x004 +#define MT9M111_HORIZONTAL_BLANKING_B 0x005 +#define MT9M111_VERTICAL_BLANKING_B 0x006 +#define MT9M111_HORIZONTAL_BLANKING_A 0x007 +#define MT9M111_VERTICAL_BLANKING_A 0x008 +#define MT9M111_SHUTTER_WIDTH 0x009 +#define MT9M111_ROW_SPEED 0x00a +#define MT9M111_EXTRA_DELAY 0x00b +#define MT9M111_SHUTTER_DELAY 0x00c +#define MT9M111_RESET 0x00d +#define MT9M111_READ_MODE_B 0x020 +#define MT9M111_READ_MODE_A 0x021 +#define MT9M111_FLASH_CONTROL 0x023 +#define MT9M111_GREEN1_GAIN 0x02b +#define MT9M111_BLUE_GAIN 0x02c +#define MT9M111_RED_GAIN 0x02d +#define MT9M111_GREEN2_GAIN 0x02e +#define MT9M111_GLOBAL_GAIN 0x02f +#define MT9M111_CONTEXT_CONTROL 0x0c8 +#define MT9M111_PAGE_MAP 0x0f0 +#define MT9M111_BYTE_WISE_ADDR 0x0f1 + +#define MT9M111_RESET_SYNC_CHANGES (1 << 15) +#define MT9M111_RESET_RESTART_BAD_FRAME (1 << 9) +#define MT9M111_RESET_SHOW_BAD_FRAMES (1 << 8) +#define MT9M111_RESET_RESET_SOC (1 << 5) +#define MT9M111_RESET_OUTPUT_DISABLE (1 << 4) +#define MT9M111_RESET_CHIP_ENABLE (1 << 3) +#define MT9M111_RESET_ANALOG_STANDBY (1 << 2) +#define MT9M111_RESET_RESTART_FRAME (1 << 1) +#define MT9M111_RESET_RESET_MODE (1 << 0) + +#define MT9M111_RM_FULL_POWER_RD (0 << 10) +#define MT9M111_RM_LOW_POWER_RD (1 << 10) +#define MT9M111_RM_COL_SKIP_4X (1 << 5) +#define MT9M111_RM_ROW_SKIP_4X (1 << 4) +#define MT9M111_RM_COL_SKIP_2X (1 << 3) +#define MT9M111_RM_ROW_SKIP_2X (1 << 2) +#define MT9M111_RMB_MIRROR_COLS (1 << 1) +#define MT9M111_RMB_MIRROR_ROWS (1 << 0) +#define MT9M111_CTXT_CTRL_RESTART (1 << 15) +#define MT9M111_CTXT_CTRL_DEFECTCOR_B (1 << 12) +#define MT9M111_CTXT_CTRL_RESIZE_B (1 << 10) +#define MT9M111_CTXT_CTRL_CTRL2_B (1 << 9) +#define MT9M111_CTXT_CTRL_GAMMA_B (1 << 8) +#define MT9M111_CTXT_CTRL_XENON_EN (1 << 7) +#define MT9M111_CTXT_CTRL_READ_MODE_B (1 << 3) +#define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2) +#define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1) +#define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0) + +/* + * Colorpipe register addresses (0x100..0x1ff) + */ +#define MT9M111_OPER_MODE_CTRL 0x106 +#define MT9M111_OUTPUT_FORMAT_CTRL 0x108 +#define MT9M111_REDUCER_XZOOM_B 0x1a0 +#define MT9M111_REDUCER_XSIZE_B 0x1a1 +#define MT9M111_REDUCER_YZOOM_B 0x1a3 +#define MT9M111_REDUCER_YSIZE_B 0x1a4 +#define MT9M111_REDUCER_XZOOM_A 0x1a6 +#define MT9M111_REDUCER_XSIZE_A 0x1a7 +#define MT9M111_REDUCER_YZOOM_A 0x1a9 +#define MT9M111_REDUCER_YSIZE_A 0x1aa + +#define MT9M111_OUTPUT_FORMAT_CTRL2_A 0x13a +#define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b + +#define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14) +#define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1) +#define MT9M111_OUTFMT_FLIP_BAYER_COL (1 << 9) +#define MT9M111_OUTFMT_FLIP_BAYER_ROW (1 << 8) +#define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14) +#define MT9M111_OUTFMT_BYPASS_IFP (1 << 10) +#define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9) +#define MT9M111_OUTFMT_RGB (1 << 8) +#define MT9M111_OUTFMT_RGB565 (0 << 6) +#define MT9M111_OUTFMT_RGB555 (1 << 6) +#define MT9M111_OUTFMT_RGB444x (2 << 6) +#define MT9M111_OUTFMT_RGBx444 (3 << 6) +#define MT9M111_OUTFMT_TST_RAMP_OFF (0 << 4) +#define MT9M111_OUTFMT_TST_RAMP_COL (1 << 4) +#define MT9M111_OUTFMT_TST_RAMP_ROW (2 << 4) +#define MT9M111_OUTFMT_TST_RAMP_FRAME (3 << 4) +#define MT9M111_OUTFMT_SHIFT_3_UP (1 << 3) +#define MT9M111_OUTFMT_AVG_CHROMA (1 << 2) +#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN (1 << 1) +#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B (1 << 0) + +/* + * Camera control register addresses (0x200..0x2ff not implemented) + */ + +#define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg) +#define reg_write(reg, val) mt9m111_reg_write(client, MT9M111_##reg, (val)) +#define reg_set(reg, val) mt9m111_reg_set(client, MT9M111_##reg, (val)) +#define reg_clear(reg, val) mt9m111_reg_clear(client, MT9M111_##reg, (val)) +#define reg_mask(reg, val, mask) mt9m111_reg_mask(client, MT9M111_##reg, \ + (val), (mask)) + +#define MT9M111_MIN_DARK_ROWS 8 +#define MT9M111_MIN_DARK_COLS 26 +#define MT9M111_MAX_HEIGHT 1024 +#define MT9M111_MAX_WIDTH 1280 + +struct mt9m111_context { + u16 read_mode; + u16 blanking_h; + u16 blanking_v; + u16 reducer_xzoom; + u16 reducer_yzoom; + u16 reducer_xsize; + u16 reducer_ysize; + u16 output_fmt_ctrl2; + u16 control; +}; + +static struct mt9m111_context context_a = { + .read_mode = MT9M111_READ_MODE_A, + .blanking_h = MT9M111_HORIZONTAL_BLANKING_A, + .blanking_v = MT9M111_VERTICAL_BLANKING_A, + .reducer_xzoom = MT9M111_REDUCER_XZOOM_A, + .reducer_yzoom = MT9M111_REDUCER_YZOOM_A, + .reducer_xsize = MT9M111_REDUCER_XSIZE_A, + .reducer_ysize = MT9M111_REDUCER_YSIZE_A, + .output_fmt_ctrl2 = MT9M111_OUTPUT_FORMAT_CTRL2_A, + .control = MT9M111_CTXT_CTRL_RESTART, +}; + +static struct mt9m111_context context_b = { + .read_mode = MT9M111_READ_MODE_B, + .blanking_h = MT9M111_HORIZONTAL_BLANKING_B, + .blanking_v = MT9M111_VERTICAL_BLANKING_B, + .reducer_xzoom = MT9M111_REDUCER_XZOOM_B, + .reducer_yzoom = MT9M111_REDUCER_YZOOM_B, + .reducer_xsize = MT9M111_REDUCER_XSIZE_B, + .reducer_ysize = MT9M111_REDUCER_YSIZE_B, + .output_fmt_ctrl2 = MT9M111_OUTPUT_FORMAT_CTRL2_B, + .control = MT9M111_CTXT_CTRL_RESTART | + MT9M111_CTXT_CTRL_DEFECTCOR_B | MT9M111_CTXT_CTRL_RESIZE_B | + MT9M111_CTXT_CTRL_CTRL2_B | MT9M111_CTXT_CTRL_GAMMA_B | + MT9M111_CTXT_CTRL_READ_MODE_B | MT9M111_CTXT_CTRL_VBLANK_SEL_B | + MT9M111_CTXT_CTRL_HBLANK_SEL_B, +}; + +/* MT9M111 has only one fixed colorspace per pixelcode */ +struct mt9m111_datafmt { + u32 code; + enum v4l2_colorspace colorspace; +}; + +static const struct mt9m111_datafmt mt9m111_colour_fmts[] = { + {MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_YVYU8_2X8, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_BGR565_2X8_LE, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_BGR565_2X8_BE, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB}, + {MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, +}; + +struct mt9m111 { + struct v4l2_subdev subdev; + struct v4l2_ctrl_handler hdl; + struct v4l2_ctrl *gain; + struct mt9m111_context *ctx; + struct v4l2_rect rect; /* cropping rectangle */ + struct v4l2_clk *clk; + unsigned int width; /* output */ + unsigned int height; /* sizes */ + struct mutex power_lock; /* lock to protect power_count */ + int power_count; + const struct mt9m111_datafmt *fmt; + int lastpage; /* PageMap cache value */ +}; + +/* Find a data format by a pixel code */ +static const struct mt9m111_datafmt *mt9m111_find_datafmt(struct mt9m111 *mt9m111, + u32 code) +{ + int i; + for (i = 0; i < ARRAY_SIZE(mt9m111_colour_fmts); i++) + if (mt9m111_colour_fmts[i].code == code) + return mt9m111_colour_fmts + i; + + return mt9m111->fmt; +} + +static struct mt9m111 *to_mt9m111(const struct i2c_client *client) +{ + return container_of(i2c_get_clientdata(client), struct mt9m111, subdev); +} + +static int reg_page_map_set(struct i2c_client *client, const u16 reg) +{ + int ret; + u16 page; + struct mt9m111 *mt9m111 = to_mt9m111(client); + + page = (reg >> 8); + if (page == mt9m111->lastpage) + return 0; + if (page > 2) + return -EINVAL; + + ret = i2c_smbus_write_word_swapped(client, MT9M111_PAGE_MAP, page); + if (!ret) + mt9m111->lastpage = page; + return ret; +} + +static int mt9m111_reg_read(struct i2c_client *client, const u16 reg) +{ + int ret; + + ret = reg_page_map_set(client, reg); + if (!ret) + ret = i2c_smbus_read_word_swapped(client, reg & 0xff); + + dev_dbg(&client->dev, "read reg.%03x -> %04x\n", reg, ret); + return ret; +} + +static int mt9m111_reg_write(struct i2c_client *client, const u16 reg, + const u16 data) +{ + int ret; + + ret = reg_page_map_set(client, reg); + if (!ret) + ret = i2c_smbus_write_word_swapped(client, reg & 0xff, data); + dev_dbg(&client->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret); + return ret; +} + +static int mt9m111_reg_set(struct i2c_client *client, const u16 reg, + const u16 data) +{ + int ret; + + ret = mt9m111_reg_read(client, reg); + if (ret >= 0) + ret = mt9m111_reg_write(client, reg, ret | data); + return ret; +} + +static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg, + const u16 data) +{ + int ret; + + ret = mt9m111_reg_read(client, reg); + if (ret >= 0) + ret = mt9m111_reg_write(client, reg, ret & ~data); + return ret; +} + +static int mt9m111_reg_mask(struct i2c_client *client, const u16 reg, + const u16 data, const u16 mask) +{ + int ret; + + ret = mt9m111_reg_read(client, reg); + if (ret >= 0) + ret = mt9m111_reg_write(client, reg, (ret & ~mask) | data); + return ret; +} + +static int mt9m111_set_context(struct mt9m111 *mt9m111, + struct mt9m111_context *ctx) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + return reg_write(CONTEXT_CONTROL, ctx->control); +} + +static int mt9m111_setup_rect_ctx(struct mt9m111 *mt9m111, + struct mt9m111_context *ctx, struct v4l2_rect *rect, + unsigned int width, unsigned int height) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + int ret = mt9m111_reg_write(client, ctx->reducer_xzoom, rect->width); + if (!ret) + ret = mt9m111_reg_write(client, ctx->reducer_yzoom, rect->height); + if (!ret) + ret = mt9m111_reg_write(client, ctx->reducer_xsize, width); + if (!ret) + ret = mt9m111_reg_write(client, ctx->reducer_ysize, height); + return ret; +} + +static int mt9m111_setup_geometry(struct mt9m111 *mt9m111, struct v4l2_rect *rect, + int width, int height, u32 code) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + int ret; + + ret = reg_write(COLUMN_START, rect->left); + if (!ret) + ret = reg_write(ROW_START, rect->top); + + if (!ret) + ret = reg_write(WINDOW_WIDTH, rect->width); + if (!ret) + ret = reg_write(WINDOW_HEIGHT, rect->height); + + if (code != MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) { + /* IFP in use, down-scaling possible */ + if (!ret) + ret = mt9m111_setup_rect_ctx(mt9m111, &context_b, + rect, width, height); + if (!ret) + ret = mt9m111_setup_rect_ctx(mt9m111, &context_a, + rect, width, height); + } + + dev_dbg(&client->dev, "%s(%x): %ux%u@%u:%u -> %ux%u = %d\n", + __func__, code, rect->width, rect->height, rect->left, rect->top, + width, height, ret); + + return ret; +} + +static int mt9m111_enable(struct mt9m111 *mt9m111) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + return reg_write(RESET, MT9M111_RESET_CHIP_ENABLE); +} + +static int mt9m111_reset(struct mt9m111 *mt9m111) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + int ret; + + ret = reg_set(RESET, MT9M111_RESET_RESET_MODE); + if (!ret) + ret = reg_set(RESET, MT9M111_RESET_RESET_SOC); + if (!ret) + ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE + | MT9M111_RESET_RESET_SOC); + + return ret; +} + +static int mt9m111_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a) +{ + struct v4l2_rect rect = a->c; + struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); + int width, height; + int ret, align = 0; + + if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + if (mt9m111->fmt->code == MEDIA_BUS_FMT_SBGGR8_1X8 || + mt9m111->fmt->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) { + /* Bayer format - even size lengths */ + align = 1; + /* Let the user play with the starting pixel */ + } + + /* FIXME: the datasheet doesn't specify minimum sizes */ + v4l_bound_align_image(&rect.width, 2, MT9M111_MAX_WIDTH, align, + &rect.height, 2, MT9M111_MAX_HEIGHT, align, 0); + rect.left = clamp(rect.left, MT9M111_MIN_DARK_COLS, + MT9M111_MIN_DARK_COLS + MT9M111_MAX_WIDTH - + (__s32)rect.width); + rect.top = clamp(rect.top, MT9M111_MIN_DARK_ROWS, + MT9M111_MIN_DARK_ROWS + MT9M111_MAX_HEIGHT - + (__s32)rect.height); + + width = min(mt9m111->width, rect.width); + height = min(mt9m111->height, rect.height); + + ret = mt9m111_setup_geometry(mt9m111, &rect, width, height, mt9m111->fmt->code); + if (!ret) { + mt9m111->rect = rect; + mt9m111->width = width; + mt9m111->height = height; + } + + return ret; +} + +static int mt9m111_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) +{ + struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); + + a->c = mt9m111->rect; + a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + + return 0; +} + +static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) +{ + if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + a->bounds.left = MT9M111_MIN_DARK_COLS; + a->bounds.top = MT9M111_MIN_DARK_ROWS; + a->bounds.width = MT9M111_MAX_WIDTH; + a->bounds.height = MT9M111_MAX_HEIGHT; + a->defrect = a->bounds; + a->pixelaspect.numerator = 1; + a->pixelaspect.denominator = 1; + + return 0; +} + +static int mt9m111_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) +{ + struct v4l2_mbus_framefmt *mf = &format->format; + struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); + + if (format->pad) + return -EINVAL; + + mf->width = mt9m111->width; + mf->height = mt9m111->height; + mf->code = mt9m111->fmt->code; + mf->colorspace = mt9m111->fmt->colorspace; + mf->field = V4L2_FIELD_NONE; + + return 0; +} + +static int mt9m111_set_pixfmt(struct mt9m111 *mt9m111, + u32 code) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + u16 data_outfmt2, mask_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER | + MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB | + MT9M111_OUTFMT_RGB565 | MT9M111_OUTFMT_RGB555 | + MT9M111_OUTFMT_RGB444x | MT9M111_OUTFMT_RGBx444 | + MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN | + MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; + int ret; + + switch (code) { + case MEDIA_BUS_FMT_SBGGR8_1X8: + data_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER | + MT9M111_OUTFMT_RGB; + break; + case MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE: + data_outfmt2 = MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB; + break; + case MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE: + data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555 | + MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN; + break; + case MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE: + data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555; + break; + case MEDIA_BUS_FMT_RGB565_2X8_LE: + data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 | + MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN; + break; + case MEDIA_BUS_FMT_RGB565_2X8_BE: + data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565; + break; + case MEDIA_BUS_FMT_BGR565_2X8_BE: + data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 | + MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; + break; + case MEDIA_BUS_FMT_BGR565_2X8_LE: + data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 | + MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN | + MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; + break; + case MEDIA_BUS_FMT_UYVY8_2X8: + data_outfmt2 = 0; + break; + case MEDIA_BUS_FMT_VYUY8_2X8: + data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; + break; + case MEDIA_BUS_FMT_YUYV8_2X8: + data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN; + break; + case MEDIA_BUS_FMT_YVYU8_2X8: + data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN | + MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; + break; + default: + dev_err(&client->dev, "Pixel format not handled: %x\n", code); + return -EINVAL; + } + + ret = mt9m111_reg_mask(client, context_a.output_fmt_ctrl2, + data_outfmt2, mask_outfmt2); + if (!ret) + ret = mt9m111_reg_mask(client, context_b.output_fmt_ctrl2, + data_outfmt2, mask_outfmt2); + + return ret; +} + +static int mt9m111_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) +{ + struct v4l2_mbus_framefmt *mf = &format->format; + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); + const struct mt9m111_datafmt *fmt; + struct v4l2_rect *rect = &mt9m111->rect; + bool bayer; + int ret; + + if (format->pad) + return -EINVAL; + + fmt = mt9m111_find_datafmt(mt9m111, mf->code); + + bayer = fmt->code == MEDIA_BUS_FMT_SBGGR8_1X8 || + fmt->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE; + + /* + * With Bayer format enforce even side lengths, but let the user play + * with the starting pixel + */ + if (bayer) { + rect->width = ALIGN(rect->width, 2); + rect->height = ALIGN(rect->height, 2); + } + + if (fmt->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) { + /* IFP bypass mode, no scaling */ + mf->width = rect->width; + mf->height = rect->height; + } else { + /* No upscaling */ + if (mf->width > rect->width) + mf->width = rect->width; + if (mf->height > rect->height) + mf->height = rect->height; + } + + dev_dbg(&client->dev, "%s(): %ux%u, code=%x\n", __func__, + mf->width, mf->height, fmt->code); + + mf->code = fmt->code; + mf->colorspace = fmt->colorspace; + + if (format->which == V4L2_SUBDEV_FORMAT_TRY) { + cfg->try_fmt = *mf; + return 0; + } + + ret = mt9m111_setup_geometry(mt9m111, rect, mf->width, mf->height, mf->code); + if (!ret) + ret = mt9m111_set_pixfmt(mt9m111, mf->code); + if (!ret) { + mt9m111->width = mf->width; + mt9m111->height = mf->height; + mt9m111->fmt = fmt; + } + + return ret; +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int mt9m111_g_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + int val; + + if (reg->reg > 0x2ff) + return -EINVAL; + + val = mt9m111_reg_read(client, reg->reg); + reg->size = 2; + reg->val = (u64)val; + + if (reg->val > 0xffff) + return -EIO; + + return 0; +} + +static int mt9m111_s_register(struct v4l2_subdev *sd, + const struct v4l2_dbg_register *reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + if (reg->reg > 0x2ff) + return -EINVAL; + + if (mt9m111_reg_write(client, reg->reg, reg->val) < 0) + return -EIO; + + return 0; +} +#endif + +static int mt9m111_set_flip(struct mt9m111 *mt9m111, int flip, int mask) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + int ret; + + if (flip) + ret = mt9m111_reg_set(client, mt9m111->ctx->read_mode, mask); + else + ret = mt9m111_reg_clear(client, mt9m111->ctx->read_mode, mask); + + return ret; +} + +static int mt9m111_get_global_gain(struct mt9m111 *mt9m111) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + int data; + + data = reg_read(GLOBAL_GAIN); + if (data >= 0) + return (data & 0x2f) * (1 << ((data >> 10) & 1)) * + (1 << ((data >> 9) & 1)); + return data; +} + +static int mt9m111_set_global_gain(struct mt9m111 *mt9m111, int gain) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + u16 val; + + if (gain > 63 * 2 * 2) + return -EINVAL; + + if ((gain >= 64 * 2) && (gain < 63 * 2 * 2)) + val = (1 << 10) | (1 << 9) | (gain / 4); + else if ((gain >= 64) && (gain < 64 * 2)) + val = (1 << 9) | (gain / 2); + else + val = gain; + + return reg_write(GLOBAL_GAIN, val); +} + +static int mt9m111_set_autoexposure(struct mt9m111 *mt9m111, int val) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + + if (val == V4L2_EXPOSURE_AUTO) + return reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); + return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); +} + +static int mt9m111_set_autowhitebalance(struct mt9m111 *mt9m111, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + + if (on) + return reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); + return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); +} + +static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct mt9m111 *mt9m111 = container_of(ctrl->handler, + struct mt9m111, hdl); + + switch (ctrl->id) { + case V4L2_CID_VFLIP: + return mt9m111_set_flip(mt9m111, ctrl->val, + MT9M111_RMB_MIRROR_ROWS); + case V4L2_CID_HFLIP: + return mt9m111_set_flip(mt9m111, ctrl->val, + MT9M111_RMB_MIRROR_COLS); + case V4L2_CID_GAIN: + return mt9m111_set_global_gain(mt9m111, ctrl->val); + case V4L2_CID_EXPOSURE_AUTO: + return mt9m111_set_autoexposure(mt9m111, ctrl->val); + case V4L2_CID_AUTO_WHITE_BALANCE: + return mt9m111_set_autowhitebalance(mt9m111, ctrl->val); + } + + return -EINVAL; +} + +static int mt9m111_suspend(struct mt9m111 *mt9m111) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + int ret; + + v4l2_ctrl_s_ctrl(mt9m111->gain, mt9m111_get_global_gain(mt9m111)); + + ret = reg_set(RESET, MT9M111_RESET_RESET_MODE); + if (!ret) + ret = reg_set(RESET, MT9M111_RESET_RESET_SOC | + MT9M111_RESET_OUTPUT_DISABLE | + MT9M111_RESET_ANALOG_STANDBY); + if (!ret) + ret = reg_clear(RESET, MT9M111_RESET_CHIP_ENABLE); + + return ret; +} + +static void mt9m111_restore_state(struct mt9m111 *mt9m111) +{ + mt9m111_set_context(mt9m111, mt9m111->ctx); + mt9m111_set_pixfmt(mt9m111, mt9m111->fmt->code); + mt9m111_setup_geometry(mt9m111, &mt9m111->rect, + mt9m111->width, mt9m111->height, mt9m111->fmt->code); + v4l2_ctrl_handler_setup(&mt9m111->hdl); +} + +static int mt9m111_resume(struct mt9m111 *mt9m111) +{ + int ret = mt9m111_enable(mt9m111); + if (!ret) + ret = mt9m111_reset(mt9m111); + if (!ret) + mt9m111_restore_state(mt9m111); + + return ret; +} + +static int mt9m111_init(struct mt9m111 *mt9m111) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + int ret; + + ret = mt9m111_enable(mt9m111); + if (!ret) + ret = mt9m111_reset(mt9m111); + if (!ret) + ret = mt9m111_set_context(mt9m111, mt9m111->ctx); + if (ret) + dev_err(&client->dev, "mt9m111 init failed: %d\n", ret); + return ret; +} + +static int mt9m111_power_on(struct mt9m111 *mt9m111) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + int ret; + + ret = v4l2_clk_enable(mt9m111->clk); + if (ret < 0) + return ret; + + ret = mt9m111_resume(mt9m111); + if (ret < 0) { + dev_err(&client->dev, "Failed to resume the sensor: %d\n", ret); + v4l2_clk_disable(mt9m111->clk); + } + + return ret; +} + +static void mt9m111_power_off(struct mt9m111 *mt9m111) +{ + mt9m111_suspend(mt9m111); + v4l2_clk_disable(mt9m111->clk); +} + +static int mt9m111_s_power(struct v4l2_subdev *sd, int on) +{ + struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); + int ret = 0; + + mutex_lock(&mt9m111->power_lock); + + /* + * If the power count is modified from 0 to != 0 or from != 0 to 0, + * update the power state. + */ + if (mt9m111->power_count == !on) { + if (on) + ret = mt9m111_power_on(mt9m111); + else + mt9m111_power_off(mt9m111); + } + + if (!ret) { + /* Update the power count. */ + mt9m111->power_count += on ? 1 : -1; + WARN_ON(mt9m111->power_count < 0); + } + + mutex_unlock(&mt9m111->power_lock); + return ret; +} + +static const struct v4l2_ctrl_ops mt9m111_ctrl_ops = { + .s_ctrl = mt9m111_s_ctrl, +}; + +static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = { + .s_power = mt9m111_s_power, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .g_register = mt9m111_g_register, + .s_register = mt9m111_s_register, +#endif +}; + +static int mt9m111_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + if (code->pad || code->index >= ARRAY_SIZE(mt9m111_colour_fmts)) + return -EINVAL; + + code->code = mt9m111_colour_fmts[code->index].code; + return 0; +} + +static int mt9m111_g_mbus_config(struct v4l2_subdev *sd, + struct v4l2_mbus_config *cfg) +{ + cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING | + V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_HIGH | + V4L2_MBUS_DATA_ACTIVE_HIGH; + cfg->type = V4L2_MBUS_PARALLEL; + + return 0; +} + +static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = { + .s_crop = mt9m111_s_crop, + .g_crop = mt9m111_g_crop, + .cropcap = mt9m111_cropcap, + .g_mbus_config = mt9m111_g_mbus_config, +}; + +static const struct v4l2_subdev_pad_ops mt9m111_subdev_pad_ops = { + .enum_mbus_code = mt9m111_enum_mbus_code, + .get_fmt = mt9m111_get_fmt, + .set_fmt = mt9m111_set_fmt, +}; + +static struct v4l2_subdev_ops mt9m111_subdev_ops = { + .core = &mt9m111_subdev_core_ops, + .video = &mt9m111_subdev_video_ops, + .pad = &mt9m111_subdev_pad_ops, +}; + +/* + * Interface active, can use i2c. If it fails, it can indeed mean, that + * this wasn't our capture interface, so, we wait for the right one + */ +static int mt9m111_video_probe(struct i2c_client *client) +{ + struct mt9m111 *mt9m111 = to_mt9m111(client); + s32 data; + int ret; + + ret = mt9m111_s_power(&mt9m111->subdev, 1); + if (ret < 0) + return ret; + + data = reg_read(CHIP_VERSION); + + switch (data) { + case 0x143a: /* MT9M111 or MT9M131 */ + dev_info(&client->dev, + "Detected a MT9M111/MT9M131 chip ID %x\n", data); + break; + case 0x148c: /* MT9M112 */ + dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data); + break; + default: + dev_err(&client->dev, + "No MT9M111/MT9M112/MT9M131 chip detected register read %x\n", + data); + ret = -ENODEV; + goto done; + } + + ret = mt9m111_init(mt9m111); + if (ret) + goto done; + + ret = v4l2_ctrl_handler_setup(&mt9m111->hdl); + +done: + mt9m111_s_power(&mt9m111->subdev, 0); + return ret; +} + +static int mt9m111_probe(struct i2c_client *client, + const struct i2c_device_id *did) +{ + struct mt9m111 *mt9m111; + struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); + int ret; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) { + dev_warn(&adapter->dev, + "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); + return -EIO; + } + + mt9m111 = devm_kzalloc(&client->dev, sizeof(struct mt9m111), GFP_KERNEL); + if (!mt9m111) + return -ENOMEM; + + mt9m111->clk = v4l2_clk_get(&client->dev, "mclk"); + if (IS_ERR(mt9m111->clk)) + return -EPROBE_DEFER; + + /* Default HIGHPOWER context */ + mt9m111->ctx = &context_b; + + v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops); + v4l2_ctrl_handler_init(&mt9m111->hdl, 5); + v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops, + V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1); + mt9m111->gain = v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops, + V4L2_CID_GAIN, 0, 63 * 2 * 2, 1, 32); + v4l2_ctrl_new_std_menu(&mt9m111->hdl, + &mt9m111_ctrl_ops, V4L2_CID_EXPOSURE_AUTO, 1, 0, + V4L2_EXPOSURE_AUTO); + mt9m111->subdev.ctrl_handler = &mt9m111->hdl; + if (mt9m111->hdl.error) { + ret = mt9m111->hdl.error; + goto out_clkput; + } + + /* Second stage probe - when a capture adapter is there */ + mt9m111->rect.left = MT9M111_MIN_DARK_COLS; + mt9m111->rect.top = MT9M111_MIN_DARK_ROWS; + mt9m111->rect.width = MT9M111_MAX_WIDTH; + mt9m111->rect.height = MT9M111_MAX_HEIGHT; + mt9m111->fmt = &mt9m111_colour_fmts[0]; + mt9m111->lastpage = -1; + mutex_init(&mt9m111->power_lock); + + ret = mt9m111_video_probe(client); + if (ret < 0) + goto out_hdlfree; + + mt9m111->subdev.dev = &client->dev; + ret = v4l2_async_register_subdev(&mt9m111->subdev); + if (ret < 0) + goto out_hdlfree; + + return 0; + +out_hdlfree: + v4l2_ctrl_handler_free(&mt9m111->hdl); +out_clkput: + v4l2_clk_put(mt9m111->clk); + + return ret; +} + +static int mt9m111_remove(struct i2c_client *client) +{ + struct mt9m111 *mt9m111 = to_mt9m111(client); + + v4l2_async_unregister_subdev(&mt9m111->subdev); + v4l2_clk_put(mt9m111->clk); + v4l2_ctrl_handler_free(&mt9m111->hdl); + + return 0; +} +static const struct of_device_id mt9m111_of_match[] = { + { .compatible = "micron,mt9m111", }, + {}, +}; +MODULE_DEVICE_TABLE(of, mt9m111_of_match); + +static const struct i2c_device_id mt9m111_id[] = { + { "mt9m111", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, mt9m111_id); + +static struct i2c_driver mt9m111_i2c_driver = { + .driver = { + .name = "mt9m111", + .of_match_table = of_match_ptr(mt9m111_of_match), + }, + .probe = mt9m111_probe, + .remove = mt9m111_remove, + .id_table = mt9m111_id, +}; + +module_i2c_driver(mt9m111_i2c_driver); + +MODULE_DESCRIPTION("Micron/Aptina MT9M111/MT9M112/MT9M131 Camera driver"); +MODULE_AUTHOR("Robert Jarzmik"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/i2c/soc_camera/Kconfig b/drivers/media/i2c/soc_camera/Kconfig index 23d352f0adf0..7704bcf5cc25 100644 --- a/drivers/media/i2c/soc_camera/Kconfig +++ b/drivers/media/i2c/soc_camera/Kconfig @@ -14,11 +14,14 @@ config SOC_CAMERA_MT9M001 and colour models. config SOC_CAMERA_MT9M111 - tristate "mt9m111, mt9m112 and mt9m131 support" + tristate "legacy soc_camera mt9m111, mt9m112 and mt9m131 support" depends on SOC_CAMERA && I2C + select VIDEO_MT9M111 help This driver supports MT9M111, MT9M112 and MT9M131 cameras from - Micron/Aptina + Micron/Aptina. + This is the legacy configuration which shouldn't be used anymore, + while VIDEO_MT9M111 should be used instead. config SOC_CAMERA_MT9T031 tristate "mt9t031 support" diff --git a/drivers/media/i2c/soc_camera/Makefile b/drivers/media/i2c/soc_camera/Makefile index d0421feaa796..6f994f9353a0 100644 --- a/drivers/media/i2c/soc_camera/Makefile +++ b/drivers/media/i2c/soc_camera/Makefile @@ -1,6 +1,5 @@ obj-$(CONFIG_SOC_CAMERA_IMX074) += imx074.o obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o -obj-$(CONFIG_SOC_CAMERA_MT9M111) += mt9m111.o obj-$(CONFIG_SOC_CAMERA_MT9T031) += mt9t031.o obj-$(CONFIG_SOC_CAMERA_MT9T112) += mt9t112.o obj-$(CONFIG_SOC_CAMERA_MT9V022) += mt9v022.o diff --git a/drivers/media/i2c/soc_camera/mt9m111.c b/drivers/media/i2c/soc_camera/mt9m111.c deleted file mode 100644 index b7c4f371bae1..000000000000 --- a/drivers/media/i2c/soc_camera/mt9m111.c +++ /dev/null @@ -1,1033 +0,0 @@ -/* - * Driver for MT9M111/MT9M112/MT9M131 CMOS Image Sensor from Micron/Aptina - * - * Copyright (C) 2008, Robert Jarzmik - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -/* - * MT9M111, MT9M112 and MT9M131: - * i2c address is 0x48 or 0x5d (depending on SADDR pin) - * The platform has to define struct i2c_board_info objects and link to them - * from struct soc_camera_host_desc - */ - -/* - * Sensor core register addresses (0x000..0x0ff) - */ -#define MT9M111_CHIP_VERSION 0x000 -#define MT9M111_ROW_START 0x001 -#define MT9M111_COLUMN_START 0x002 -#define MT9M111_WINDOW_HEIGHT 0x003 -#define MT9M111_WINDOW_WIDTH 0x004 -#define MT9M111_HORIZONTAL_BLANKING_B 0x005 -#define MT9M111_VERTICAL_BLANKING_B 0x006 -#define MT9M111_HORIZONTAL_BLANKING_A 0x007 -#define MT9M111_VERTICAL_BLANKING_A 0x008 -#define MT9M111_SHUTTER_WIDTH 0x009 -#define MT9M111_ROW_SPEED 0x00a -#define MT9M111_EXTRA_DELAY 0x00b -#define MT9M111_SHUTTER_DELAY 0x00c -#define MT9M111_RESET 0x00d -#define MT9M111_READ_MODE_B 0x020 -#define MT9M111_READ_MODE_A 0x021 -#define MT9M111_FLASH_CONTROL 0x023 -#define MT9M111_GREEN1_GAIN 0x02b -#define MT9M111_BLUE_GAIN 0x02c -#define MT9M111_RED_GAIN 0x02d -#define MT9M111_GREEN2_GAIN 0x02e -#define MT9M111_GLOBAL_GAIN 0x02f -#define MT9M111_CONTEXT_CONTROL 0x0c8 -#define MT9M111_PAGE_MAP 0x0f0 -#define MT9M111_BYTE_WISE_ADDR 0x0f1 - -#define MT9M111_RESET_SYNC_CHANGES (1 << 15) -#define MT9M111_RESET_RESTART_BAD_FRAME (1 << 9) -#define MT9M111_RESET_SHOW_BAD_FRAMES (1 << 8) -#define MT9M111_RESET_RESET_SOC (1 << 5) -#define MT9M111_RESET_OUTPUT_DISABLE (1 << 4) -#define MT9M111_RESET_CHIP_ENABLE (1 << 3) -#define MT9M111_RESET_ANALOG_STANDBY (1 << 2) -#define MT9M111_RESET_RESTART_FRAME (1 << 1) -#define MT9M111_RESET_RESET_MODE (1 << 0) - -#define MT9M111_RM_FULL_POWER_RD (0 << 10) -#define MT9M111_RM_LOW_POWER_RD (1 << 10) -#define MT9M111_RM_COL_SKIP_4X (1 << 5) -#define MT9M111_RM_ROW_SKIP_4X (1 << 4) -#define MT9M111_RM_COL_SKIP_2X (1 << 3) -#define MT9M111_RM_ROW_SKIP_2X (1 << 2) -#define MT9M111_RMB_MIRROR_COLS (1 << 1) -#define MT9M111_RMB_MIRROR_ROWS (1 << 0) -#define MT9M111_CTXT_CTRL_RESTART (1 << 15) -#define MT9M111_CTXT_CTRL_DEFECTCOR_B (1 << 12) -#define MT9M111_CTXT_CTRL_RESIZE_B (1 << 10) -#define MT9M111_CTXT_CTRL_CTRL2_B (1 << 9) -#define MT9M111_CTXT_CTRL_GAMMA_B (1 << 8) -#define MT9M111_CTXT_CTRL_XENON_EN (1 << 7) -#define MT9M111_CTXT_CTRL_READ_MODE_B (1 << 3) -#define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2) -#define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1) -#define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0) - -/* - * Colorpipe register addresses (0x100..0x1ff) - */ -#define MT9M111_OPER_MODE_CTRL 0x106 -#define MT9M111_OUTPUT_FORMAT_CTRL 0x108 -#define MT9M111_REDUCER_XZOOM_B 0x1a0 -#define MT9M111_REDUCER_XSIZE_B 0x1a1 -#define MT9M111_REDUCER_YZOOM_B 0x1a3 -#define MT9M111_REDUCER_YSIZE_B 0x1a4 -#define MT9M111_REDUCER_XZOOM_A 0x1a6 -#define MT9M111_REDUCER_XSIZE_A 0x1a7 -#define MT9M111_REDUCER_YZOOM_A 0x1a9 -#define MT9M111_REDUCER_YSIZE_A 0x1aa - -#define MT9M111_OUTPUT_FORMAT_CTRL2_A 0x13a -#define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b - -#define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14) -#define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1) -#define MT9M111_OUTFMT_FLIP_BAYER_COL (1 << 9) -#define MT9M111_OUTFMT_FLIP_BAYER_ROW (1 << 8) -#define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14) -#define MT9M111_OUTFMT_BYPASS_IFP (1 << 10) -#define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9) -#define MT9M111_OUTFMT_RGB (1 << 8) -#define MT9M111_OUTFMT_RGB565 (0 << 6) -#define MT9M111_OUTFMT_RGB555 (1 << 6) -#define MT9M111_OUTFMT_RGB444x (2 << 6) -#define MT9M111_OUTFMT_RGBx444 (3 << 6) -#define MT9M111_OUTFMT_TST_RAMP_OFF (0 << 4) -#define MT9M111_OUTFMT_TST_RAMP_COL (1 << 4) -#define MT9M111_OUTFMT_TST_RAMP_ROW (2 << 4) -#define MT9M111_OUTFMT_TST_RAMP_FRAME (3 << 4) -#define MT9M111_OUTFMT_SHIFT_3_UP (1 << 3) -#define MT9M111_OUTFMT_AVG_CHROMA (1 << 2) -#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN (1 << 1) -#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B (1 << 0) - -/* - * Camera control register addresses (0x200..0x2ff not implemented) - */ - -#define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg) -#define reg_write(reg, val) mt9m111_reg_write(client, MT9M111_##reg, (val)) -#define reg_set(reg, val) mt9m111_reg_set(client, MT9M111_##reg, (val)) -#define reg_clear(reg, val) mt9m111_reg_clear(client, MT9M111_##reg, (val)) -#define reg_mask(reg, val, mask) mt9m111_reg_mask(client, MT9M111_##reg, \ - (val), (mask)) - -#define MT9M111_MIN_DARK_ROWS 8 -#define MT9M111_MIN_DARK_COLS 26 -#define MT9M111_MAX_HEIGHT 1024 -#define MT9M111_MAX_WIDTH 1280 - -struct mt9m111_context { - u16 read_mode; - u16 blanking_h; - u16 blanking_v; - u16 reducer_xzoom; - u16 reducer_yzoom; - u16 reducer_xsize; - u16 reducer_ysize; - u16 output_fmt_ctrl2; - u16 control; -}; - -static struct mt9m111_context context_a = { - .read_mode = MT9M111_READ_MODE_A, - .blanking_h = MT9M111_HORIZONTAL_BLANKING_A, - .blanking_v = MT9M111_VERTICAL_BLANKING_A, - .reducer_xzoom = MT9M111_REDUCER_XZOOM_A, - .reducer_yzoom = MT9M111_REDUCER_YZOOM_A, - .reducer_xsize = MT9M111_REDUCER_XSIZE_A, - .reducer_ysize = MT9M111_REDUCER_YSIZE_A, - .output_fmt_ctrl2 = MT9M111_OUTPUT_FORMAT_CTRL2_A, - .control = MT9M111_CTXT_CTRL_RESTART, -}; - -static struct mt9m111_context context_b = { - .read_mode = MT9M111_READ_MODE_B, - .blanking_h = MT9M111_HORIZONTAL_BLANKING_B, - .blanking_v = MT9M111_VERTICAL_BLANKING_B, - .reducer_xzoom = MT9M111_REDUCER_XZOOM_B, - .reducer_yzoom = MT9M111_REDUCER_YZOOM_B, - .reducer_xsize = MT9M111_REDUCER_XSIZE_B, - .reducer_ysize = MT9M111_REDUCER_YSIZE_B, - .output_fmt_ctrl2 = MT9M111_OUTPUT_FORMAT_CTRL2_B, - .control = MT9M111_CTXT_CTRL_RESTART | - MT9M111_CTXT_CTRL_DEFECTCOR_B | MT9M111_CTXT_CTRL_RESIZE_B | - MT9M111_CTXT_CTRL_CTRL2_B | MT9M111_CTXT_CTRL_GAMMA_B | - MT9M111_CTXT_CTRL_READ_MODE_B | MT9M111_CTXT_CTRL_VBLANK_SEL_B | - MT9M111_CTXT_CTRL_HBLANK_SEL_B, -}; - -/* MT9M111 has only one fixed colorspace per pixelcode */ -struct mt9m111_datafmt { - u32 code; - enum v4l2_colorspace colorspace; -}; - -static const struct mt9m111_datafmt mt9m111_colour_fmts[] = { - {MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_YVYU8_2X8, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_BGR565_2X8_LE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_BGR565_2X8_BE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, -}; - -struct mt9m111 { - struct v4l2_subdev subdev; - struct v4l2_ctrl_handler hdl; - struct v4l2_ctrl *gain; - struct mt9m111_context *ctx; - struct v4l2_rect rect; /* cropping rectangle */ - struct v4l2_clk *clk; - unsigned int width; /* output */ - unsigned int height; /* sizes */ - struct mutex power_lock; /* lock to protect power_count */ - int power_count; - const struct mt9m111_datafmt *fmt; - int lastpage; /* PageMap cache value */ -}; - -/* Find a data format by a pixel code */ -static const struct mt9m111_datafmt *mt9m111_find_datafmt(struct mt9m111 *mt9m111, - u32 code) -{ - int i; - for (i = 0; i < ARRAY_SIZE(mt9m111_colour_fmts); i++) - if (mt9m111_colour_fmts[i].code == code) - return mt9m111_colour_fmts + i; - - return mt9m111->fmt; -} - -static struct mt9m111 *to_mt9m111(const struct i2c_client *client) -{ - return container_of(i2c_get_clientdata(client), struct mt9m111, subdev); -} - -static int reg_page_map_set(struct i2c_client *client, const u16 reg) -{ - int ret; - u16 page; - struct mt9m111 *mt9m111 = to_mt9m111(client); - - page = (reg >> 8); - if (page == mt9m111->lastpage) - return 0; - if (page > 2) - return -EINVAL; - - ret = i2c_smbus_write_word_swapped(client, MT9M111_PAGE_MAP, page); - if (!ret) - mt9m111->lastpage = page; - return ret; -} - -static int mt9m111_reg_read(struct i2c_client *client, const u16 reg) -{ - int ret; - - ret = reg_page_map_set(client, reg); - if (!ret) - ret = i2c_smbus_read_word_swapped(client, reg & 0xff); - - dev_dbg(&client->dev, "read reg.%03x -> %04x\n", reg, ret); - return ret; -} - -static int mt9m111_reg_write(struct i2c_client *client, const u16 reg, - const u16 data) -{ - int ret; - - ret = reg_page_map_set(client, reg); - if (!ret) - ret = i2c_smbus_write_word_swapped(client, reg & 0xff, data); - dev_dbg(&client->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret); - return ret; -} - -static int mt9m111_reg_set(struct i2c_client *client, const u16 reg, - const u16 data) -{ - int ret; - - ret = mt9m111_reg_read(client, reg); - if (ret >= 0) - ret = mt9m111_reg_write(client, reg, ret | data); - return ret; -} - -static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg, - const u16 data) -{ - int ret; - - ret = mt9m111_reg_read(client, reg); - if (ret >= 0) - ret = mt9m111_reg_write(client, reg, ret & ~data); - return ret; -} - -static int mt9m111_reg_mask(struct i2c_client *client, const u16 reg, - const u16 data, const u16 mask) -{ - int ret; - - ret = mt9m111_reg_read(client, reg); - if (ret >= 0) - ret = mt9m111_reg_write(client, reg, (ret & ~mask) | data); - return ret; -} - -static int mt9m111_set_context(struct mt9m111 *mt9m111, - struct mt9m111_context *ctx) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - return reg_write(CONTEXT_CONTROL, ctx->control); -} - -static int mt9m111_setup_rect_ctx(struct mt9m111 *mt9m111, - struct mt9m111_context *ctx, struct v4l2_rect *rect, - unsigned int width, unsigned int height) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - int ret = mt9m111_reg_write(client, ctx->reducer_xzoom, rect->width); - if (!ret) - ret = mt9m111_reg_write(client, ctx->reducer_yzoom, rect->height); - if (!ret) - ret = mt9m111_reg_write(client, ctx->reducer_xsize, width); - if (!ret) - ret = mt9m111_reg_write(client, ctx->reducer_ysize, height); - return ret; -} - -static int mt9m111_setup_geometry(struct mt9m111 *mt9m111, struct v4l2_rect *rect, - int width, int height, u32 code) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - int ret; - - ret = reg_write(COLUMN_START, rect->left); - if (!ret) - ret = reg_write(ROW_START, rect->top); - - if (!ret) - ret = reg_write(WINDOW_WIDTH, rect->width); - if (!ret) - ret = reg_write(WINDOW_HEIGHT, rect->height); - - if (code != MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) { - /* IFP in use, down-scaling possible */ - if (!ret) - ret = mt9m111_setup_rect_ctx(mt9m111, &context_b, - rect, width, height); - if (!ret) - ret = mt9m111_setup_rect_ctx(mt9m111, &context_a, - rect, width, height); - } - - dev_dbg(&client->dev, "%s(%x): %ux%u@%u:%u -> %ux%u = %d\n", - __func__, code, rect->width, rect->height, rect->left, rect->top, - width, height, ret); - - return ret; -} - -static int mt9m111_enable(struct mt9m111 *mt9m111) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - return reg_write(RESET, MT9M111_RESET_CHIP_ENABLE); -} - -static int mt9m111_reset(struct mt9m111 *mt9m111) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - int ret; - - ret = reg_set(RESET, MT9M111_RESET_RESET_MODE); - if (!ret) - ret = reg_set(RESET, MT9M111_RESET_RESET_SOC); - if (!ret) - ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE - | MT9M111_RESET_RESET_SOC); - - return ret; -} - -static int mt9m111_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a) -{ - struct v4l2_rect rect = a->c; - struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); - int width, height; - int ret, align = 0; - - if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - if (mt9m111->fmt->code == MEDIA_BUS_FMT_SBGGR8_1X8 || - mt9m111->fmt->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) { - /* Bayer format - even size lengths */ - align = 1; - /* Let the user play with the starting pixel */ - } - - /* FIXME: the datasheet doesn't specify minimum sizes */ - v4l_bound_align_image(&rect.width, 2, MT9M111_MAX_WIDTH, align, - &rect.height, 2, MT9M111_MAX_HEIGHT, align, 0); - rect.left = clamp(rect.left, MT9M111_MIN_DARK_COLS, - MT9M111_MIN_DARK_COLS + MT9M111_MAX_WIDTH - - (__s32)rect.width); - rect.top = clamp(rect.top, MT9M111_MIN_DARK_ROWS, - MT9M111_MIN_DARK_ROWS + MT9M111_MAX_HEIGHT - - (__s32)rect.height); - - width = min(mt9m111->width, rect.width); - height = min(mt9m111->height, rect.height); - - ret = mt9m111_setup_geometry(mt9m111, &rect, width, height, mt9m111->fmt->code); - if (!ret) { - mt9m111->rect = rect; - mt9m111->width = width; - mt9m111->height = height; - } - - return ret; -} - -static int mt9m111_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) -{ - struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); - - a->c = mt9m111->rect; - a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - - return 0; -} - -static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) -{ - if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - a->bounds.left = MT9M111_MIN_DARK_COLS; - a->bounds.top = MT9M111_MIN_DARK_ROWS; - a->bounds.width = MT9M111_MAX_WIDTH; - a->bounds.height = MT9M111_MAX_HEIGHT; - a->defrect = a->bounds; - a->pixelaspect.numerator = 1; - a->pixelaspect.denominator = 1; - - return 0; -} - -static int mt9m111_get_fmt(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_format *format) -{ - struct v4l2_mbus_framefmt *mf = &format->format; - struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); - - if (format->pad) - return -EINVAL; - - mf->width = mt9m111->width; - mf->height = mt9m111->height; - mf->code = mt9m111->fmt->code; - mf->colorspace = mt9m111->fmt->colorspace; - mf->field = V4L2_FIELD_NONE; - - return 0; -} - -static int mt9m111_set_pixfmt(struct mt9m111 *mt9m111, - u32 code) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - u16 data_outfmt2, mask_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER | - MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB | - MT9M111_OUTFMT_RGB565 | MT9M111_OUTFMT_RGB555 | - MT9M111_OUTFMT_RGB444x | MT9M111_OUTFMT_RGBx444 | - MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN | - MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; - int ret; - - switch (code) { - case MEDIA_BUS_FMT_SBGGR8_1X8: - data_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER | - MT9M111_OUTFMT_RGB; - break; - case MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE: - data_outfmt2 = MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB; - break; - case MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE: - data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555 | - MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN; - break; - case MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE: - data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555; - break; - case MEDIA_BUS_FMT_RGB565_2X8_LE: - data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 | - MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN; - break; - case MEDIA_BUS_FMT_RGB565_2X8_BE: - data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565; - break; - case MEDIA_BUS_FMT_BGR565_2X8_BE: - data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 | - MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; - break; - case MEDIA_BUS_FMT_BGR565_2X8_LE: - data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 | - MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN | - MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; - break; - case MEDIA_BUS_FMT_UYVY8_2X8: - data_outfmt2 = 0; - break; - case MEDIA_BUS_FMT_VYUY8_2X8: - data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; - break; - case MEDIA_BUS_FMT_YUYV8_2X8: - data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN; - break; - case MEDIA_BUS_FMT_YVYU8_2X8: - data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN | - MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B; - break; - default: - dev_err(&client->dev, "Pixel format not handled: %x\n", code); - return -EINVAL; - } - - ret = mt9m111_reg_mask(client, context_a.output_fmt_ctrl2, - data_outfmt2, mask_outfmt2); - if (!ret) - ret = mt9m111_reg_mask(client, context_b.output_fmt_ctrl2, - data_outfmt2, mask_outfmt2); - - return ret; -} - -static int mt9m111_set_fmt(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_format *format) -{ - struct v4l2_mbus_framefmt *mf = &format->format; - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); - const struct mt9m111_datafmt *fmt; - struct v4l2_rect *rect = &mt9m111->rect; - bool bayer; - int ret; - - if (format->pad) - return -EINVAL; - - fmt = mt9m111_find_datafmt(mt9m111, mf->code); - - bayer = fmt->code == MEDIA_BUS_FMT_SBGGR8_1X8 || - fmt->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE; - - /* - * With Bayer format enforce even side lengths, but let the user play - * with the starting pixel - */ - if (bayer) { - rect->width = ALIGN(rect->width, 2); - rect->height = ALIGN(rect->height, 2); - } - - if (fmt->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) { - /* IFP bypass mode, no scaling */ - mf->width = rect->width; - mf->height = rect->height; - } else { - /* No upscaling */ - if (mf->width > rect->width) - mf->width = rect->width; - if (mf->height > rect->height) - mf->height = rect->height; - } - - dev_dbg(&client->dev, "%s(): %ux%u, code=%x\n", __func__, - mf->width, mf->height, fmt->code); - - mf->code = fmt->code; - mf->colorspace = fmt->colorspace; - - if (format->which == V4L2_SUBDEV_FORMAT_TRY) { - cfg->try_fmt = *mf; - return 0; - } - - ret = mt9m111_setup_geometry(mt9m111, rect, mf->width, mf->height, mf->code); - if (!ret) - ret = mt9m111_set_pixfmt(mt9m111, mf->code); - if (!ret) { - mt9m111->width = mf->width; - mt9m111->height = mf->height; - mt9m111->fmt = fmt; - } - - return ret; -} - -#ifdef CONFIG_VIDEO_ADV_DEBUG -static int mt9m111_g_register(struct v4l2_subdev *sd, - struct v4l2_dbg_register *reg) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - int val; - - if (reg->reg > 0x2ff) - return -EINVAL; - - val = mt9m111_reg_read(client, reg->reg); - reg->size = 2; - reg->val = (u64)val; - - if (reg->val > 0xffff) - return -EIO; - - return 0; -} - -static int mt9m111_s_register(struct v4l2_subdev *sd, - const struct v4l2_dbg_register *reg) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - if (reg->reg > 0x2ff) - return -EINVAL; - - if (mt9m111_reg_write(client, reg->reg, reg->val) < 0) - return -EIO; - - return 0; -} -#endif - -static int mt9m111_set_flip(struct mt9m111 *mt9m111, int flip, int mask) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - int ret; - - if (flip) - ret = mt9m111_reg_set(client, mt9m111->ctx->read_mode, mask); - else - ret = mt9m111_reg_clear(client, mt9m111->ctx->read_mode, mask); - - return ret; -} - -static int mt9m111_get_global_gain(struct mt9m111 *mt9m111) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - int data; - - data = reg_read(GLOBAL_GAIN); - if (data >= 0) - return (data & 0x2f) * (1 << ((data >> 10) & 1)) * - (1 << ((data >> 9) & 1)); - return data; -} - -static int mt9m111_set_global_gain(struct mt9m111 *mt9m111, int gain) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - u16 val; - - if (gain > 63 * 2 * 2) - return -EINVAL; - - if ((gain >= 64 * 2) && (gain < 63 * 2 * 2)) - val = (1 << 10) | (1 << 9) | (gain / 4); - else if ((gain >= 64) && (gain < 64 * 2)) - val = (1 << 9) | (gain / 2); - else - val = gain; - - return reg_write(GLOBAL_GAIN, val); -} - -static int mt9m111_set_autoexposure(struct mt9m111 *mt9m111, int val) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - - if (val == V4L2_EXPOSURE_AUTO) - return reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); - return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); -} - -static int mt9m111_set_autowhitebalance(struct mt9m111 *mt9m111, int on) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - - if (on) - return reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); - return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN); -} - -static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct mt9m111 *mt9m111 = container_of(ctrl->handler, - struct mt9m111, hdl); - - switch (ctrl->id) { - case V4L2_CID_VFLIP: - return mt9m111_set_flip(mt9m111, ctrl->val, - MT9M111_RMB_MIRROR_ROWS); - case V4L2_CID_HFLIP: - return mt9m111_set_flip(mt9m111, ctrl->val, - MT9M111_RMB_MIRROR_COLS); - case V4L2_CID_GAIN: - return mt9m111_set_global_gain(mt9m111, ctrl->val); - case V4L2_CID_EXPOSURE_AUTO: - return mt9m111_set_autoexposure(mt9m111, ctrl->val); - case V4L2_CID_AUTO_WHITE_BALANCE: - return mt9m111_set_autowhitebalance(mt9m111, ctrl->val); - } - - return -EINVAL; -} - -static int mt9m111_suspend(struct mt9m111 *mt9m111) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - int ret; - - v4l2_ctrl_s_ctrl(mt9m111->gain, mt9m111_get_global_gain(mt9m111)); - - ret = reg_set(RESET, MT9M111_RESET_RESET_MODE); - if (!ret) - ret = reg_set(RESET, MT9M111_RESET_RESET_SOC | - MT9M111_RESET_OUTPUT_DISABLE | - MT9M111_RESET_ANALOG_STANDBY); - if (!ret) - ret = reg_clear(RESET, MT9M111_RESET_CHIP_ENABLE); - - return ret; -} - -static void mt9m111_restore_state(struct mt9m111 *mt9m111) -{ - mt9m111_set_context(mt9m111, mt9m111->ctx); - mt9m111_set_pixfmt(mt9m111, mt9m111->fmt->code); - mt9m111_setup_geometry(mt9m111, &mt9m111->rect, - mt9m111->width, mt9m111->height, mt9m111->fmt->code); - v4l2_ctrl_handler_setup(&mt9m111->hdl); -} - -static int mt9m111_resume(struct mt9m111 *mt9m111) -{ - int ret = mt9m111_enable(mt9m111); - if (!ret) - ret = mt9m111_reset(mt9m111); - if (!ret) - mt9m111_restore_state(mt9m111); - - return ret; -} - -static int mt9m111_init(struct mt9m111 *mt9m111) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - int ret; - - ret = mt9m111_enable(mt9m111); - if (!ret) - ret = mt9m111_reset(mt9m111); - if (!ret) - ret = mt9m111_set_context(mt9m111, mt9m111->ctx); - if (ret) - dev_err(&client->dev, "mt9m111 init failed: %d\n", ret); - return ret; -} - -static int mt9m111_power_on(struct mt9m111 *mt9m111) -{ - struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); - int ret; - - ret = v4l2_clk_enable(mt9m111->clk); - if (ret < 0) - return ret; - - ret = mt9m111_resume(mt9m111); - if (ret < 0) { - dev_err(&client->dev, "Failed to resume the sensor: %d\n", ret); - v4l2_clk_disable(mt9m111->clk); - } - - return ret; -} - -static void mt9m111_power_off(struct mt9m111 *mt9m111) -{ - mt9m111_suspend(mt9m111); - v4l2_clk_disable(mt9m111->clk); -} - -static int mt9m111_s_power(struct v4l2_subdev *sd, int on) -{ - struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); - int ret = 0; - - mutex_lock(&mt9m111->power_lock); - - /* - * If the power count is modified from 0 to != 0 or from != 0 to 0, - * update the power state. - */ - if (mt9m111->power_count == !on) { - if (on) - ret = mt9m111_power_on(mt9m111); - else - mt9m111_power_off(mt9m111); - } - - if (!ret) { - /* Update the power count. */ - mt9m111->power_count += on ? 1 : -1; - WARN_ON(mt9m111->power_count < 0); - } - - mutex_unlock(&mt9m111->power_lock); - return ret; -} - -static const struct v4l2_ctrl_ops mt9m111_ctrl_ops = { - .s_ctrl = mt9m111_s_ctrl, -}; - -static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = { - .s_power = mt9m111_s_power, -#ifdef CONFIG_VIDEO_ADV_DEBUG - .g_register = mt9m111_g_register, - .s_register = mt9m111_s_register, -#endif -}; - -static int mt9m111_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_mbus_code_enum *code) -{ - if (code->pad || code->index >= ARRAY_SIZE(mt9m111_colour_fmts)) - return -EINVAL; - - code->code = mt9m111_colour_fmts[code->index].code; - return 0; -} - -static int mt9m111_g_mbus_config(struct v4l2_subdev *sd, - struct v4l2_mbus_config *cfg) -{ - cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING | - V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_HIGH | - V4L2_MBUS_DATA_ACTIVE_HIGH; - cfg->type = V4L2_MBUS_PARALLEL; - - return 0; -} - -static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = { - .s_crop = mt9m111_s_crop, - .g_crop = mt9m111_g_crop, - .cropcap = mt9m111_cropcap, - .g_mbus_config = mt9m111_g_mbus_config, -}; - -static const struct v4l2_subdev_pad_ops mt9m111_subdev_pad_ops = { - .enum_mbus_code = mt9m111_enum_mbus_code, - .get_fmt = mt9m111_get_fmt, - .set_fmt = mt9m111_set_fmt, -}; - -static struct v4l2_subdev_ops mt9m111_subdev_ops = { - .core = &mt9m111_subdev_core_ops, - .video = &mt9m111_subdev_video_ops, - .pad = &mt9m111_subdev_pad_ops, -}; - -/* - * Interface active, can use i2c. If it fails, it can indeed mean, that - * this wasn't our capture interface, so, we wait for the right one - */ -static int mt9m111_video_probe(struct i2c_client *client) -{ - struct mt9m111 *mt9m111 = to_mt9m111(client); - s32 data; - int ret; - - ret = mt9m111_s_power(&mt9m111->subdev, 1); - if (ret < 0) - return ret; - - data = reg_read(CHIP_VERSION); - - switch (data) { - case 0x143a: /* MT9M111 or MT9M131 */ - dev_info(&client->dev, - "Detected a MT9M111/MT9M131 chip ID %x\n", data); - break; - case 0x148c: /* MT9M112 */ - dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data); - break; - default: - dev_err(&client->dev, - "No MT9M111/MT9M112/MT9M131 chip detected register read %x\n", - data); - ret = -ENODEV; - goto done; - } - - ret = mt9m111_init(mt9m111); - if (ret) - goto done; - - ret = v4l2_ctrl_handler_setup(&mt9m111->hdl); - -done: - mt9m111_s_power(&mt9m111->subdev, 0); - return ret; -} - -static int mt9m111_probe(struct i2c_client *client, - const struct i2c_device_id *did) -{ - struct mt9m111 *mt9m111; - struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); - int ret; - - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) { - dev_warn(&adapter->dev, - "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); - return -EIO; - } - - mt9m111 = devm_kzalloc(&client->dev, sizeof(struct mt9m111), GFP_KERNEL); - if (!mt9m111) - return -ENOMEM; - - mt9m111->clk = v4l2_clk_get(&client->dev, "mclk"); - if (IS_ERR(mt9m111->clk)) - return -EPROBE_DEFER; - - /* Default HIGHPOWER context */ - mt9m111->ctx = &context_b; - - v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops); - v4l2_ctrl_handler_init(&mt9m111->hdl, 5); - v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops, - V4L2_CID_VFLIP, 0, 1, 1, 0); - v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops, - V4L2_CID_HFLIP, 0, 1, 1, 0); - v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops, - V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1); - mt9m111->gain = v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops, - V4L2_CID_GAIN, 0, 63 * 2 * 2, 1, 32); - v4l2_ctrl_new_std_menu(&mt9m111->hdl, - &mt9m111_ctrl_ops, V4L2_CID_EXPOSURE_AUTO, 1, 0, - V4L2_EXPOSURE_AUTO); - mt9m111->subdev.ctrl_handler = &mt9m111->hdl; - if (mt9m111->hdl.error) { - ret = mt9m111->hdl.error; - goto out_clkput; - } - - /* Second stage probe - when a capture adapter is there */ - mt9m111->rect.left = MT9M111_MIN_DARK_COLS; - mt9m111->rect.top = MT9M111_MIN_DARK_ROWS; - mt9m111->rect.width = MT9M111_MAX_WIDTH; - mt9m111->rect.height = MT9M111_MAX_HEIGHT; - mt9m111->fmt = &mt9m111_colour_fmts[0]; - mt9m111->lastpage = -1; - mutex_init(&mt9m111->power_lock); - - ret = mt9m111_video_probe(client); - if (ret < 0) - goto out_hdlfree; - - mt9m111->subdev.dev = &client->dev; - ret = v4l2_async_register_subdev(&mt9m111->subdev); - if (ret < 0) - goto out_hdlfree; - - return 0; - -out_hdlfree: - v4l2_ctrl_handler_free(&mt9m111->hdl); -out_clkput: - v4l2_clk_put(mt9m111->clk); - - return ret; -} - -static int mt9m111_remove(struct i2c_client *client) -{ - struct mt9m111 *mt9m111 = to_mt9m111(client); - - v4l2_async_unregister_subdev(&mt9m111->subdev); - v4l2_clk_put(mt9m111->clk); - v4l2_ctrl_handler_free(&mt9m111->hdl); - - return 0; -} -static const struct of_device_id mt9m111_of_match[] = { - { .compatible = "micron,mt9m111", }, - {}, -}; -MODULE_DEVICE_TABLE(of, mt9m111_of_match); - -static const struct i2c_device_id mt9m111_id[] = { - { "mt9m111", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, mt9m111_id); - -static struct i2c_driver mt9m111_i2c_driver = { - .driver = { - .name = "mt9m111", - .of_match_table = of_match_ptr(mt9m111_of_match), - }, - .probe = mt9m111_probe, - .remove = mt9m111_remove, - .id_table = mt9m111_id, -}; - -module_i2c_driver(mt9m111_i2c_driver); - -MODULE_DESCRIPTION("Micron/Aptina MT9M111/MT9M112/MT9M131 Camera driver"); -MODULE_AUTHOR("Robert Jarzmik"); -MODULE_LICENSE("GPL");