From ed5cd6bbde5569538f328ce931943cdce4a6db86 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 16 May 2012 08:49:10 -0300 Subject: [PATCH] [media] sunplus: convert to the control framework Signed-off-by: Hans Verkuil Signed-off-by: Hans de Goede Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/sunplus.c | 237 +++++++++++------------------------- 1 file changed, 71 insertions(+), 166 deletions(-) diff --git a/drivers/media/video/gspca/sunplus.c b/drivers/media/video/gspca/sunplus.c index c80f0c0c75b6..530652dcbfb2 100644 --- a/drivers/media/video/gspca/sunplus.c +++ b/drivers/media/video/gspca/sunplus.c @@ -34,15 +34,13 @@ MODULE_LICENSE("GPL"); struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ - s8 brightness; - u8 contrast; - u8 colors; - u8 autogain; - u8 quality; + struct v4l2_ctrl *jpegqual; #define QUALITY_MIN 70 #define QUALITY_MAX 95 #define QUALITY_DEF 85 + bool autogain; + u8 bridge; #define BRIDGE_SPCA504 0 #define BRIDGE_SPCA504B 1 @@ -59,75 +57,6 @@ struct sd { u8 jpeg_hdr[JPEG_HDR_SZ]; }; -/* V4L2 controls supported by the driver */ -static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); - -static const struct ctrl sd_ctrls[] = { - { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = -128, - .maximum = 127, - .step = 1, -#define BRIGHTNESS_DEF 0 - .default_value = BRIGHTNESS_DEF, - }, - .set = sd_setbrightness, - .get = sd_getbrightness, - }, - { - { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0, - .maximum = 0xff, - .step = 1, -#define CONTRAST_DEF 0x20 - .default_value = CONTRAST_DEF, - }, - .set = sd_setcontrast, - .get = sd_getcontrast, - }, - { - { - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Color", - .minimum = 0, - .maximum = 0xff, - .step = 1, -#define COLOR_DEF 0x1a - .default_value = COLOR_DEF, - }, - .set = sd_setcolors, - .get = sd_getcolors, - }, - { - { - .id = V4L2_CID_AUTOGAIN, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Auto Gain", - .minimum = 0, - .maximum = 1, - .step = 1, -#define AUTOGAIN_DEF 1 - .default_value = AUTOGAIN_DEF, - }, - .set = sd_setautogain, - .get = sd_getautogain, - }, -}; - static const struct v4l2_pix_format vga_mode[] = { {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, .bytesperline = 320, @@ -597,31 +526,31 @@ static void spca504B_setQtable(struct gspca_dev *gspca_dev) spca504B_PollingDataReady(gspca_dev); } -static void setbrightness(struct gspca_dev *gspca_dev) +static void setbrightness(struct gspca_dev *gspca_dev, s32 val) { struct sd *sd = (struct sd *) gspca_dev; u16 reg; reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f0 : 0x21a7; - reg_w_riv(gspca_dev, 0x00, reg, sd->brightness); + reg_w_riv(gspca_dev, 0x00, reg, val); } -static void setcontrast(struct gspca_dev *gspca_dev) +static void setcontrast(struct gspca_dev *gspca_dev, s32 val) { struct sd *sd = (struct sd *) gspca_dev; u16 reg; reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f1 : 0x21a8; - reg_w_riv(gspca_dev, 0x00, reg, sd->contrast); + reg_w_riv(gspca_dev, 0x00, reg, val); } -static void setcolors(struct gspca_dev *gspca_dev) +static void setcolors(struct gspca_dev *gspca_dev, s32 val) { struct sd *sd = (struct sd *) gspca_dev; u16 reg; reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f6 : 0x21ae; - reg_w_riv(gspca_dev, 0x00, reg, sd->colors); + reg_w_riv(gspca_dev, 0x00, reg, val); } static void init_ctl_reg(struct gspca_dev *gspca_dev) @@ -629,9 +558,7 @@ static void init_ctl_reg(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; int pollreg = 1; - setbrightness(gspca_dev); - setcontrast(gspca_dev); - setcolors(gspca_dev); + v4l2_ctrl_handler_setup(&gspca_dev->ctrl_handler); switch (sd->bridge) { case BRIDGE_SPCA504: @@ -704,11 +631,6 @@ static int sd_config(struct gspca_dev *gspca_dev, cam->nmodes = ARRAY_SIZE(vga_mode2); break; } - sd->brightness = BRIGHTNESS_DEF; - sd->contrast = CONTRAST_DEF; - sd->colors = COLOR_DEF; - sd->autogain = AUTOGAIN_DEF; - sd->quality = QUALITY_DEF; return 0; } @@ -807,7 +729,7 @@ static int sd_start(struct gspca_dev *gspca_dev) /* create the JPEG header */ jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width, 0x22); /* JPEG 411 */ - jpeg_set_qual(sd->jpeg_hdr, sd->quality); + jpeg_set_qual(sd->jpeg_hdr, v4l2_ctrl_g_ctrl(sd->jpegqual)); if (sd->bridge == BRIDGE_SPCA504B) spca504B_setQtable(gspca_dev); @@ -1012,111 +934,94 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, gspca_frame_add(gspca_dev, INTER_PACKET, data, len); } -static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->brightness = val; - if (gspca_dev->streaming) - setbrightness(gspca_dev); - return gspca_dev->usb_err; -} - -static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->brightness; - return 0; -} - -static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->contrast = val; - if (gspca_dev->streaming) - setcontrast(gspca_dev); - return gspca_dev->usb_err; -} - -static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->contrast; - return 0; -} - -static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->colors = val; - if (gspca_dev->streaming) - setcolors(gspca_dev); - return gspca_dev->usb_err; -} - -static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) +static int sd_set_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) { struct sd *sd = (struct sd *) gspca_dev; - *val = sd->colors; + v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality); return 0; } -static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) +static int sd_get_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) { struct sd *sd = (struct sd *) gspca_dev; - sd->autogain = val; + memset(jcomp, 0, sizeof *jcomp); + jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual); + jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT + | V4L2_JPEG_MARKER_DQT; return 0; } -static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) +static int sd_s_ctrl(struct v4l2_ctrl *ctrl) { - struct sd *sd = (struct sd *) gspca_dev; + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + struct sd *sd = (struct sd *)gspca_dev; - *val = sd->autogain; - return 0; -} + gspca_dev->usb_err = 0; -static int sd_set_jcomp(struct gspca_dev *gspca_dev, - struct v4l2_jpegcompression *jcomp) -{ - struct sd *sd = (struct sd *) gspca_dev; + if (!gspca_dev->streaming) + return 0; - if (jcomp->quality < QUALITY_MIN) - sd->quality = QUALITY_MIN; - else if (jcomp->quality > QUALITY_MAX) - sd->quality = QUALITY_MAX; - else - sd->quality = jcomp->quality; - if (gspca_dev->streaming) - jpeg_set_qual(sd->jpeg_hdr, sd->quality); + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + setbrightness(gspca_dev, ctrl->val); + break; + case V4L2_CID_CONTRAST: + setcontrast(gspca_dev, ctrl->val); + break; + case V4L2_CID_SATURATION: + setcolors(gspca_dev, ctrl->val); + break; + case V4L2_CID_AUTOGAIN: + sd->autogain = ctrl->val; + break; + case V4L2_CID_JPEG_COMPRESSION_QUALITY: + jpeg_set_qual(sd->jpeg_hdr, ctrl->val); + break; + } return gspca_dev->usb_err; } -static int sd_get_jcomp(struct gspca_dev *gspca_dev, - struct v4l2_jpegcompression *jcomp) -{ - struct sd *sd = (struct sd *) gspca_dev; +static const struct v4l2_ctrl_ops sd_ctrl_ops = { + .s_ctrl = sd_s_ctrl, +}; - memset(jcomp, 0, sizeof *jcomp); - jcomp->quality = sd->quality; - jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT - | V4L2_JPEG_MARKER_DQT; +static int sd_init_controls(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *)gspca_dev; + struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; + + gspca_dev->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 5); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, -128, 127, 1, 0); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_CONTRAST, 0, 255, 1, 0x20); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_SATURATION, 0, 255, 1, 0x1a); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_AUTOGAIN, 0, 1, 1, 1); + sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_JPEG_COMPRESSION_QUALITY, + QUALITY_MIN, QUALITY_MAX, 1, QUALITY_DEF); + + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } return 0; } /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, - .ctrls = sd_ctrls, - .nctrls = ARRAY_SIZE(sd_ctrls), .config = sd_config, .init = sd_init, + .init_controls = sd_init_controls, .start = sd_start, .stopN = sd_stopN, .pkt_scan = sd_pkt_scan, -- 2.11.0