diff options
author | Hans Verkuil <hans.verkuil@cisco.com> | 2012-05-14 06:30:06 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-07-30 18:22:26 -0300 |
commit | bfaab899e7c8ded57afe93ebed234b3688d9a898 (patch) | |
tree | 9067ef2398465c51593217e545b87832b088cd4a | |
parent | 8792015ec58be8059cdb9ff86e3639481a4be4fb (diff) | |
download | linux-bfaab899e7c8ded57afe93ebed234b3688d9a898.tar.bz2 |
[media] gspca-jeilinj: convert to the control framework
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r-- | drivers/media/video/gspca/jeilinj.c | 218 |
1 files changed, 90 insertions, 128 deletions
diff --git a/drivers/media/video/gspca/jeilinj.c b/drivers/media/video/gspca/jeilinj.c index 5ab3f7e12760..51016db2fc62 100644 --- a/drivers/media/video/gspca/jeilinj.c +++ b/drivers/media/video/gspca/jeilinj.c @@ -54,21 +54,13 @@ enum { #define CAMQUALITY_MIN 0 /* highest cam quality */ #define CAMQUALITY_MAX 97 /* lowest cam quality */ -enum e_ctrl { - LIGHTFREQ, - AUTOGAIN, - RED, - GREEN, - BLUE, - NCTRLS /* number of controls */ -}; - /* Structure to hold all of our device specific stuff */ struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ - struct gspca_ctrl ctrls[NCTRLS]; int blocks_left; const struct v4l2_pix_format *cap_mode; + struct v4l2_ctrl *freq; + struct v4l2_ctrl *jpegqual; /* Driver stuff */ u8 type; u8 quality; /* image quality */ @@ -139,23 +131,21 @@ static void jlj_read1(struct gspca_dev *gspca_dev, unsigned char response) } } -static void setfreq(struct gspca_dev *gspca_dev) +static void setfreq(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; u8 freq_commands[][2] = { {0x71, 0x80}, {0x70, 0x07} }; - freq_commands[0][1] |= (sd->ctrls[LIGHTFREQ].val >> 1); + freq_commands[0][1] |= val >> 1; jlj_write2(gspca_dev, freq_commands[0]); jlj_write2(gspca_dev, freq_commands[1]); } -static void setcamquality(struct gspca_dev *gspca_dev) +static void setcamquality(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; u8 quality_commands[][2] = { {0x71, 0x1E}, {0x70, 0x06} @@ -163,7 +153,7 @@ static void setcamquality(struct gspca_dev *gspca_dev) u8 camquality; /* adapt camera quality from jpeg quality */ - camquality = ((QUALITY_MAX - sd->quality) * CAMQUALITY_MAX) + camquality = ((QUALITY_MAX - val) * CAMQUALITY_MAX) / (QUALITY_MAX - QUALITY_MIN); quality_commands[0][1] += camquality; @@ -171,130 +161,58 @@ static void setcamquality(struct gspca_dev *gspca_dev) jlj_write2(gspca_dev, quality_commands[1]); } -static void setautogain(struct gspca_dev *gspca_dev) +static void setautogain(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; u8 autogain_commands[][2] = { {0x94, 0x02}, {0xcf, 0x00} }; - autogain_commands[1][1] = (sd->ctrls[AUTOGAIN].val << 4); + autogain_commands[1][1] = val << 4; jlj_write2(gspca_dev, autogain_commands[0]); jlj_write2(gspca_dev, autogain_commands[1]); } -static void setred(struct gspca_dev *gspca_dev) +static void setred(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; u8 setred_commands[][2] = { {0x94, 0x02}, {0xe6, 0x00} }; - setred_commands[1][1] = sd->ctrls[RED].val; + setred_commands[1][1] = val; jlj_write2(gspca_dev, setred_commands[0]); jlj_write2(gspca_dev, setred_commands[1]); } -static void setgreen(struct gspca_dev *gspca_dev) +static void setgreen(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; u8 setgreen_commands[][2] = { {0x94, 0x02}, {0xe7, 0x00} }; - setgreen_commands[1][1] = sd->ctrls[GREEN].val; + setgreen_commands[1][1] = val; jlj_write2(gspca_dev, setgreen_commands[0]); jlj_write2(gspca_dev, setgreen_commands[1]); } -static void setblue(struct gspca_dev *gspca_dev) +static void setblue(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; u8 setblue_commands[][2] = { {0x94, 0x02}, {0xe9, 0x00} }; - setblue_commands[1][1] = sd->ctrls[BLUE].val; + setblue_commands[1][1] = val; jlj_write2(gspca_dev, setblue_commands[0]); jlj_write2(gspca_dev, setblue_commands[1]); } -static const struct ctrl sd_ctrls[NCTRLS] = { -[LIGHTFREQ] = { - { - .id = V4L2_CID_POWER_LINE_FREQUENCY, - .type = V4L2_CTRL_TYPE_MENU, - .name = "Light frequency filter", - .minimum = V4L2_CID_POWER_LINE_FREQUENCY_DISABLED, /* 1 */ - .maximum = V4L2_CID_POWER_LINE_FREQUENCY_60HZ, /* 2 */ - .step = 1, - .default_value = V4L2_CID_POWER_LINE_FREQUENCY_60HZ, - }, - .set_control = setfreq - }, -[AUTOGAIN] = { - { - .id = V4L2_CID_AUTOGAIN, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Automatic Gain (and Exposure)", - .minimum = 0, - .maximum = 3, - .step = 1, -#define AUTOGAIN_DEF 0 - .default_value = AUTOGAIN_DEF, - }, - .set_control = setautogain - }, -[RED] = { - { - .id = V4L2_CID_RED_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "red balance", - .minimum = 0, - .maximum = 3, - .step = 1, -#define RED_BALANCE_DEF 2 - .default_value = RED_BALANCE_DEF, - }, - .set_control = setred - }, - -[GREEN] = { - { - .id = V4L2_CID_GAIN, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "green balance", - .minimum = 0, - .maximum = 3, - .step = 1, -#define GREEN_BALANCE_DEF 2 - .default_value = GREEN_BALANCE_DEF, - }, - .set_control = setgreen - }, -[BLUE] = { - { - .id = V4L2_CID_BLUE_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "blue balance", - .minimum = 0, - .maximum = 3, - .step = 1, -#define BLUE_BALANCE_DEF 2 - .default_value = BLUE_BALANCE_DEF, - }, - .set_control = setblue - }, -}; - static int jlj_start(struct gspca_dev *gspca_dev) { int i; @@ -344,9 +262,9 @@ static int jlj_start(struct gspca_dev *gspca_dev) if (start_commands[i].ack_wanted) jlj_read1(gspca_dev, response); } - setcamquality(gspca_dev); + setcamquality(gspca_dev, v4l2_ctrl_g_ctrl(sd->jpegqual)); msleep(2); - setfreq(gspca_dev); + setfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->freq)); if (gspca_dev->usb_err < 0) PDEBUG(D_ERR, "Start streaming command failed"); return gspca_dev->usb_err; @@ -403,7 +321,6 @@ static int sd_config(struct gspca_dev *gspca_dev, struct sd *dev = (struct sd *) gspca_dev; dev->type = id->driver_info; - gspca_dev->cam.ctrls = dev->ctrls; dev->quality = QUALITY_DEF; cam->cam_mode = jlj_mode; @@ -479,25 +396,81 @@ static const struct usb_device_id device_table[] = { MODULE_DEVICE_TABLE(usb, device_table); -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); + struct sd *sd = (struct sd *)gspca_dev; + + gspca_dev->usb_err = 0; + + if (!gspca_dev->streaming) + return 0; + + switch (ctrl->id) { case V4L2_CID_POWER_LINE_FREQUENCY: - switch (menu->index) { - case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */ - strcpy((char *) menu->name, "disable"); - 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; - } + setfreq(gspca_dev, ctrl->val); + break; + case V4L2_CID_RED_BALANCE: + setred(gspca_dev, ctrl->val); + break; + case V4L2_CID_GAIN: + setgreen(gspca_dev, ctrl->val); + break; + case V4L2_CID_BLUE_BALANCE: + setblue(gspca_dev, ctrl->val); + break; + case V4L2_CID_AUTOGAIN: + setautogain(gspca_dev, ctrl->val); + break; + case V4L2_CID_JPEG_COMPRESSION_QUALITY: + jpeg_set_qual(sd->jpeg_hdr, ctrl->val); + setcamquality(gspca_dev, ctrl->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; + static const struct v4l2_ctrl_config custom_autogain = { + .ops = &sd_ctrl_ops, + .id = V4L2_CID_AUTOGAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Automatic Gain (and Exposure)", + .max = 3, + .step = 1, + .def = 0, + }; + + gspca_dev->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 6); + sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops, + V4L2_CID_POWER_LINE_FREQUENCY, + V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 1, + V4L2_CID_POWER_LINE_FREQUENCY_60HZ); + v4l2_ctrl_new_custom(hdl, &custom_autogain, NULL); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_RED_BALANCE, 0, 3, 1, 2); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_GAIN, 0, 3, 1, 2); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BLUE_BALANCE, 0, 3, 1, 2); + 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; } static int sd_set_jcomp(struct gspca_dev *gspca_dev, @@ -505,16 +478,7 @@ static int sd_set_jcomp(struct gspca_dev *gspca_dev, { struct sd *sd = (struct sd *) gspca_dev; - 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); - setcamquality(gspca_dev); - } + v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality); return 0; } @@ -524,7 +488,7 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev, struct sd *sd = (struct sd *) gspca_dev; memset(jcomp, 0, sizeof *jcomp); - jcomp->quality = sd->quality; + jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual); jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT; return 0; @@ -546,12 +510,10 @@ static const struct sd_desc sd_desc_sportscam_dv15 = { .name = MODULE_NAME, .config = sd_config, .init = sd_init, + .init_controls = sd_init_controls, .start = sd_start, .stopN = sd_stopN, .pkt_scan = sd_pkt_scan, - .ctrls = sd_ctrls, - .nctrls = ARRAY_SIZE(sd_ctrls), - .querymenu = sd_querymenu, .get_jcomp = sd_get_jcomp, .set_jcomp = sd_set_jcomp, }; 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