From f3920f0f76227833f81485421a25e26fff18d85e Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 16 May 2012 06:45:44 -0300 Subject: [PATCH] [media] ov534_9: 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/ov534_9.c | 292 ++++++++++++------------------------ 1 file changed, 94 insertions(+), 198 deletions(-) diff --git a/drivers/media/video/gspca/ov534_9.c b/drivers/media/video/gspca/ov534_9.c index 0120f94..e934393 100644 --- a/drivers/media/video/gspca/ov534_9.c +++ b/drivers/media/video/gspca/ov534_9.c @@ -47,22 +47,9 @@ MODULE_AUTHOR("Jean-Francois Moine "); MODULE_DESCRIPTION("GSPCA/OV534_9 USB Camera Driver"); MODULE_LICENSE("GPL"); -/* controls */ -enum e_ctrl { - BRIGHTNESS, - CONTRAST, - AUTOGAIN, - EXPOSURE, - SHARPNESS, - SATUR, - LIGHTFREQ, - NCTRLS /* number of controls */ -}; - /* specific webcam descriptor */ struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ - struct gspca_ctrl ctrls[NCTRLS]; __u32 last_pts; u8 last_fid; @@ -75,103 +62,6 @@ enum sensors { NSENSORS }; -/* V4L2 controls supported by the driver */ -static void setbrightness(struct gspca_dev *gspca_dev); -static void setcontrast(struct gspca_dev *gspca_dev); -static void setautogain(struct gspca_dev *gspca_dev); -static void setexposure(struct gspca_dev *gspca_dev); -static void setsharpness(struct gspca_dev *gspca_dev); -static void setsatur(struct gspca_dev *gspca_dev); -static void setlightfreq(struct gspca_dev *gspca_dev); - -static const struct ctrl sd_ctrls[NCTRLS] = { -[BRIGHTNESS] = { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 0, - .maximum = 15, - .step = 1, - .default_value = 7 - }, - .set_control = setbrightness - }, -[CONTRAST] = { - { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0, - .maximum = 15, - .step = 1, - .default_value = 3 - }, - .set_control = setcontrast - }, -[AUTOGAIN] = { - { - .id = V4L2_CID_AUTOGAIN, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Autogain", - .minimum = 0, - .maximum = 1, - .step = 1, -#define AUTOGAIN_DEF 1 - .default_value = AUTOGAIN_DEF, - }, - .set_control = setautogain - }, -[EXPOSURE] = { - { - .id = V4L2_CID_EXPOSURE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Exposure", - .minimum = 0, - .maximum = 3, - .step = 1, - .default_value = 0 - }, - .set_control = setexposure - }, -[SHARPNESS] = { - { - .id = V4L2_CID_SHARPNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Sharpness", - .minimum = -1, /* -1 = auto */ - .maximum = 4, - .step = 1, - .default_value = -1 - }, - .set_control = setsharpness - }, -[SATUR] = { - { - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Saturation", - .minimum = 0, - .maximum = 4, - .step = 1, - .default_value = 2 - }, - .set_control = setsatur - }, -[LIGHTFREQ] = { - { - .id = V4L2_CID_POWER_LINE_FREQUENCY, - .type = V4L2_CTRL_TYPE_MENU, - .name = "Light frequency filter", - .minimum = 0, - .maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */ - .step = 1, - .default_value = 0 - }, - .set_control = setlightfreq - }, -}; - static const struct v4l2_pix_format ov965x_mode[] = { #define QVGA_MODE 0 {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, @@ -1104,16 +994,14 @@ static void set_led(struct gspca_dev *gspca_dev, int status) } } -static void setbrightness(struct gspca_dev *gspca_dev) +static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness) { struct sd *sd = (struct sd *) gspca_dev; u8 val; s8 sval; - if (gspca_dev->ctrl_dis & (1 << BRIGHTNESS)) - return; if (sd->sensor == SENSOR_OV562x) { - sval = sd->ctrls[BRIGHTNESS].val; + sval = brightness; val = 0x76; val += sval; sccb_write(gspca_dev, 0x24, val); @@ -1128,7 +1016,7 @@ static void setbrightness(struct gspca_dev *gspca_dev) val = 0xe6; sccb_write(gspca_dev, 0x26, val); } else { - val = sd->ctrls[BRIGHTNESS].val; + val = brightness; if (val < 8) val = 15 - val; /* f .. 8 */ else @@ -1138,43 +1026,32 @@ static void setbrightness(struct gspca_dev *gspca_dev) } } -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; - - if (gspca_dev->ctrl_dis & (1 << CONTRAST)) - return; sccb_write(gspca_dev, 0x56, /* cnst1 - contrast 1 ctrl coeff */ - sd->ctrls[CONTRAST].val << 4); + val << 4); } -static void setautogain(struct gspca_dev *gspca_dev) +static void setautogain(struct gspca_dev *gspca_dev, s32 autogain) { - struct sd *sd = (struct sd *) gspca_dev; u8 val; - if (gspca_dev->ctrl_dis & (1 << AUTOGAIN)) - return; /*fixme: should adjust agc/awb/aec by different controls */ val = sccb_read(gspca_dev, 0x13); /* com8 */ sccb_write(gspca_dev, 0xff, 0x00); - if (sd->ctrls[AUTOGAIN].val) + if (autogain) val |= 0x05; /* agc & aec */ else val &= 0xfa; sccb_write(gspca_dev, 0x13, val); } -static void setexposure(struct gspca_dev *gspca_dev) +static void setexposure(struct gspca_dev *gspca_dev, s32 exposure) { - struct sd *sd = (struct sd *) gspca_dev; - u8 val; static const u8 expo[4] = {0x00, 0x25, 0x38, 0x5e}; + u8 val; - if (gspca_dev->ctrl_dis & (1 << EXPOSURE)) - return; - sccb_write(gspca_dev, 0x10, /* aec[9:2] */ - expo[sd->ctrls[EXPOSURE].val]); + sccb_write(gspca_dev, 0x10, expo[exposure]); /* aec[9:2] */ val = sccb_read(gspca_dev, 0x13); /* com8 */ sccb_write(gspca_dev, 0xff, 0x00); @@ -1185,14 +1062,8 @@ static void setexposure(struct gspca_dev *gspca_dev) sccb_write(gspca_dev, 0xa1, val & 0xe0); /* aec[15:10] = 0 */ } -static void setsharpness(struct gspca_dev *gspca_dev) +static void setsharpness(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; - s8 val; - - if (gspca_dev->ctrl_dis & (1 << SHARPNESS)) - return; - val = sd->ctrls[SHARPNESS].val; if (val < 0) { /* auto */ val = sccb_read(gspca_dev, 0x42); /* com17 */ sccb_write(gspca_dev, 0xff, 0x00); @@ -1209,9 +1080,8 @@ static void setsharpness(struct gspca_dev *gspca_dev) sccb_write(gspca_dev, 0x42, val & 0xbf); } -static void setsatur(struct gspca_dev *gspca_dev) +static void setsatur(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; u8 val1, val2, val3; static const u8 matrix[5][2] = { {0x14, 0x38}, @@ -1221,10 +1091,8 @@ static void setsatur(struct gspca_dev *gspca_dev) {0x48, 0x90} }; - if (gspca_dev->ctrl_dis & (1 << SATUR)) - return; - val1 = matrix[sd->ctrls[SATUR].val][0]; - val2 = matrix[sd->ctrls[SATUR].val][1]; + val1 = matrix[val][0]; + val2 = matrix[val][1]; val3 = val1 + val2; sccb_write(gspca_dev, 0x4f, val3); /* matrix coeff */ sccb_write(gspca_dev, 0x50, val3); @@ -1239,16 +1107,13 @@ static void setsatur(struct gspca_dev *gspca_dev) sccb_write(gspca_dev, 0x41, val1); } -static void setlightfreq(struct gspca_dev *gspca_dev) +static void setlightfreq(struct gspca_dev *gspca_dev, s32 freq) { - struct sd *sd = (struct sd *) gspca_dev; u8 val; - if (gspca_dev->ctrl_dis & (1 << LIGHTFREQ)) - return; val = sccb_read(gspca_dev, 0x13); /* com8 */ sccb_write(gspca_dev, 0xff, 0x00); - if (sd->ctrls[LIGHTFREQ].val == 0) { + if (freq == 0) { sccb_write(gspca_dev, 0x13, val & 0xdf); return; } @@ -1256,7 +1121,7 @@ static void setlightfreq(struct gspca_dev *gspca_dev) val = sccb_read(gspca_dev, 0x42); /* com17 */ sccb_write(gspca_dev, 0xff, 0x00); - if (sd->ctrls[LIGHTFREQ].val == 1) + if (freq == 1) val |= 0x01; else val &= 0xfe; @@ -1267,13 +1132,6 @@ static void setlightfreq(struct gspca_dev *gspca_dev) static int sd_config(struct gspca_dev *gspca_dev, const struct usb_device_id *id) { - struct sd *sd = (struct sd *) gspca_dev; - - gspca_dev->cam.ctrls = sd->ctrls; - -#if AUTOGAIN_DEF != 0 - gspca_dev->ctrl_inac |= (1 << EXPOSURE); -#endif return 0; } @@ -1330,9 +1188,6 @@ static int sd_init(struct gspca_dev *gspca_dev) gspca_dev->cam.cam_mode = ov971x_mode; gspca_dev->cam.nmodes = ARRAY_SIZE(ov971x_mode); - /* no control yet */ - gspca_dev->ctrl_dis = (1 << NCTRLS) - 1; - gspca_dev->cam.bulk = 1; gspca_dev->cam.bulk_size = 16384; gspca_dev->cam.bulk_nurbs = 2; @@ -1358,16 +1213,6 @@ static int sd_init(struct gspca_dev *gspca_dev) reg_w(gspca_dev, 0x56, 0x17); } else if ((sensor_id & 0xfff0) == 0x5620) { sd->sensor = SENSOR_OV562x; - gspca_dev->ctrl_dis = (1 << CONTRAST) | - (1 << AUTOGAIN) | - (1 << EXPOSURE) | - (1 << SHARPNESS) | - (1 << SATUR) | - (1 << LIGHTFREQ); - - sd->ctrls[BRIGHTNESS].min = -90; - sd->ctrls[BRIGHTNESS].max = 90; - sd->ctrls[BRIGHTNESS].def = 0; gspca_dev->cam.cam_mode = ov562x_mode; gspca_dev->cam.nmodes = ARRAY_SIZE(ov562x_mode); @@ -1391,7 +1236,7 @@ static int sd_start(struct gspca_dev *gspca_dev) if (sd->sensor == SENSOR_OV971x) return gspca_dev->usb_err; else if (sd->sensor == SENSOR_OV562x) { - setbrightness(gspca_dev); + v4l2_ctrl_handler_setup(&gspca_dev->ctrl_handler); return gspca_dev->usb_err; } switch (gspca_dev->curr_mode) { @@ -1437,13 +1282,8 @@ static int sd_start(struct gspca_dev *gspca_dev) ARRAY_SIZE(ov965x_start_2_sxga)); break; } - setlightfreq(gspca_dev); - setautogain(gspca_dev); - setbrightness(gspca_dev); - setcontrast(gspca_dev); - setexposure(gspca_dev); - setsharpness(gspca_dev); - setsatur(gspca_dev); + + v4l2_ctrl_handler_setup(&gspca_dev->ctrl_handler); reg_w(gspca_dev, 0xe0, 0x00); reg_w(gspca_dev, 0xe0, 0x00); @@ -1541,38 +1381,94 @@ scan_next: } while (remaining_len > 0); } -static int sd_querymenu(struct gspca_dev *gspca_dev, - struct v4l2_querymenu *menu) +static int sd_s_ctrl(struct v4l2_ctrl *ctrl) { - switch (menu->id) { + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + + gspca_dev->usb_err = 0; + + if (!gspca_dev->streaming) + return 0; + + 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: + setsatur(gspca_dev, ctrl->val); + break; case V4L2_CID_POWER_LINE_FREQUENCY: - switch (menu->index) { - case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */ - strcpy((char *) menu->name, "NoFliker"); - return 0; - case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */ - strcpy((char *) menu->name, "50 Hz"); - return 0; - case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */ - strcpy((char *) menu->name, "60 Hz"); - return 0; - } + setlightfreq(gspca_dev, ctrl->val); + break; + case V4L2_CID_SHARPNESS: + setsharpness(gspca_dev, ctrl->val); + break; + case V4L2_CID_AUTOGAIN: + if (ctrl->is_new) + setautogain(gspca_dev, ctrl->val); + if (!ctrl->val && gspca_dev->exposure->is_new) + setexposure(gspca_dev, gspca_dev->exposure->val); break; } - return -EINVAL; + return gspca_dev->usb_err; +} + +static const struct v4l2_ctrl_ops sd_ctrl_ops = { + .s_ctrl = sd_s_ctrl, +}; + +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; + + if (sd->sensor == SENSOR_OV971x) + return 0; + gspca_dev->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 7); + if (sd->sensor == SENSOR_OV562x) { + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, -90, 90, 1, 0); + } else { + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 15, 1, 7); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_CONTRAST, 0, 15, 1, 3); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_SATURATION, 0, 4, 1, 2); + /* -1 = auto */ + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_SHARPNESS, -1, 4, 1, -1); + gspca_dev->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_AUTOGAIN, 0, 1, 1, 1); + gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_EXPOSURE, 0, 3, 1, 0); + v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops, + V4L2_CID_POWER_LINE_FREQUENCY, + V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0, 0); + v4l2_ctrl_auto_cluster(3, &gspca_dev->autogain, 0, false); + } + + 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 = NCTRLS, .config = sd_config, .init = sd_init, + .init_controls = sd_init_controls, .start = sd_start, .stopN = sd_stopN, .pkt_scan = sd_pkt_scan, - .querymenu = sd_querymenu, }; /* -- module initialisation -- */ -- 2.7.4