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path: root/drivers/media/video/gspca/ov519.c
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Diffstat (limited to 'drivers/media/video/gspca/ov519.c')
-rw-r--r--drivers/media/video/gspca/ov519.c153
1 files changed, 131 insertions, 22 deletions
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index b4f965731244..f36e11a0458d 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -38,6 +38,7 @@
*/
#define MODULE_NAME "ov519"
+#include <linux/input.h>
#include "gspca.h"
MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
@@ -70,6 +71,9 @@ struct sd {
char invert_led;
#define BRIDGE_INVERT_LED 8
+ char snapshot_pressed;
+ char snapshot_needs_reset;
+
/* Determined by sensor type */
__u8 sif;
@@ -99,10 +103,12 @@ struct sd {
#define SEN_OV66308AF 5
#define SEN_OV7610 6
#define SEN_OV7620 7
-#define SEN_OV7640 8
-#define SEN_OV7670 9
-#define SEN_OV76BE 10
-#define SEN_OV8610 11
+#define SEN_OV7620AE 8
+#define SEN_OV7640 9
+#define SEN_OV7648 10
+#define SEN_OV7670 11
+#define SEN_OV76BE 12
+#define SEN_OV8610 13
u8 sensor_addr;
int sensor_width;
@@ -139,6 +145,7 @@ static void setautobrightness(struct sd *sd);
static void setfreq(struct sd *sd);
static const struct ctrl sd_ctrls[] = {
+#define BRIGHTNESS_IDX 0
{
{
.id = V4L2_CID_BRIGHTNESS,
@@ -153,6 +160,7 @@ static const struct ctrl sd_ctrls[] = {
.set = sd_setbrightness,
.get = sd_getbrightness,
},
+#define CONTRAST_IDX 1
{
{
.id = V4L2_CID_CONTRAST,
@@ -167,6 +175,7 @@ static const struct ctrl sd_ctrls[] = {
.set = sd_setcontrast,
.get = sd_getcontrast,
},
+#define COLOR_IDX 2
{
{
.id = V4L2_CID_SATURATION,
@@ -503,7 +512,7 @@ static const struct v4l2_pix_format ovfx2_ov3610_mode[] = {
/*
* The FX2 chip does not give us a zero length read at end of frame.
* It does, however, give a short read at the end of a frame, if
- * neccessary, rather than run two frames together.
+ * necessary, rather than run two frames together.
*
* By choosing the right bulk transfer size, we are guaranteed to always
* get a short read for the last read of each frame. Frame sizes are
@@ -2554,7 +2563,7 @@ static int ov7xx0_configure(struct sd *sd)
/* I don't know what's different about the 76BE yet. */
if (i2c_r(sd, 0x15) & 1) {
PDEBUG(D_PROBE, "Sensor is an OV7620AE");
- sd->sensor = SEN_OV7620;
+ sd->sensor = SEN_OV7620AE;
} else {
PDEBUG(D_PROBE, "Sensor is an OV76BE");
sd->sensor = SEN_OV76BE;
@@ -2588,7 +2597,7 @@ static int ov7xx0_configure(struct sd *sd)
break;
case 0x48:
PDEBUG(D_PROBE, "Sensor is an OV7648");
- sd->sensor = SEN_OV7640; /* FIXME */
+ sd->sensor = SEN_OV7648;
break;
default:
PDEBUG(D_PROBE, "Unknown sensor: 0x76%x", low);
@@ -2680,6 +2689,36 @@ static void ov51x_led_control(struct sd *sd, int on)
}
}
+static void sd_reset_snapshot(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (!sd->snapshot_needs_reset)
+ return;
+
+ /* Note it is important that we clear sd->snapshot_needs_reset,
+ before actually clearing the snapshot state in the bridge
+ otherwise we might race with the pkt_scan interrupt handler */
+ sd->snapshot_needs_reset = 0;
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ reg_w(sd, R51x_SYS_SNAP, 0x02);
+ reg_w(sd, R51x_SYS_SNAP, 0x00);
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ reg_w(sd, R51x_SYS_SNAP, 0x02); /* Reset */
+ reg_w(sd, R51x_SYS_SNAP, 0x01); /* Enable */
+ break;
+ case BRIDGE_OV519:
+ reg_w(sd, R51x_SYS_RESET, 0x40);
+ reg_w(sd, R51x_SYS_RESET, 0x00);
+ break;
+ }
+}
+
static int ov51x_upload_quan_tables(struct sd *sd)
{
const unsigned char yQuanTable511[] = {
@@ -3115,7 +3154,11 @@ static int sd_config(struct gspca_dev *gspca_dev,
(1 << OV7670_FREQ_IDX);
}
sd->quality = QUALITY_DEF;
- if (sd->sensor == SEN_OV7640 || sd->sensor == SEN_OV7670)
+ if (sd->sensor == SEN_OV7640 ||
+ sd->sensor == SEN_OV7648)
+ gspca_dev->ctrl_dis |= (1 << AUTOBRIGHT_IDX) |
+ (1 << CONTRAST_IDX);
+ if (sd->sensor == SEN_OV7670)
gspca_dev->ctrl_dis |= 1 << AUTOBRIGHT_IDX;
/* OV8610 Frequency filter control should work but needs testing */
if (sd->sensor == SEN_OV8610)
@@ -3169,10 +3212,12 @@ static int sd_init(struct gspca_dev *gspca_dev)
return -EIO;
break;
case SEN_OV7620:
+ case SEN_OV7620AE:
if (write_i2c_regvals(sd, norm_7620, ARRAY_SIZE(norm_7620)))
return -EIO;
break;
case SEN_OV7640:
+ case SEN_OV7648:
if (write_i2c_regvals(sd, norm_7640, ARRAY_SIZE(norm_7640)))
return -EIO;
break;
@@ -3246,7 +3291,9 @@ static int ov511_mode_init_regs(struct sd *sd)
/* Note once the FIXME's in mode_init_ov_sensor_regs() are fixed
for more sensors we need to do this for them too */
case SEN_OV7620:
+ case SEN_OV7620AE:
case SEN_OV7640:
+ case SEN_OV7648:
case SEN_OV76BE:
if (sd->gspca_dev.width == 320)
interlaced = 1;
@@ -3377,7 +3424,7 @@ static int ov518_mode_init_regs(struct sd *sd)
if (sd->bridge == BRIDGE_OV518PLUS) {
switch (sd->sensor) {
- case SEN_OV7620:
+ case SEN_OV7620AE:
if (sd->gspca_dev.width == 320) {
reg_w(sd, 0x20, 0x00);
reg_w(sd, 0x21, 0x19);
@@ -3386,6 +3433,10 @@ static int ov518_mode_init_regs(struct sd *sd)
reg_w(sd, 0x21, 0x1f);
}
break;
+ case SEN_OV7620:
+ reg_w(sd, 0x20, 0x00);
+ reg_w(sd, 0x21, 0x19);
+ break;
default:
reg_w(sd, 0x21, 0x19);
}
@@ -3488,7 +3539,8 @@ static int ov519_mode_init_regs(struct sd *sd)
if (write_regvals(sd, mode_init_519,
ARRAY_SIZE(mode_init_519)))
return -EIO;
- if (sd->sensor == SEN_OV7640) {
+ if (sd->sensor == SEN_OV7640 ||
+ sd->sensor == SEN_OV7648) {
/* Select 8-bit input mode */
reg_w_mask(sd, OV519_R20_DFR, 0x10, 0x10);
}
@@ -3503,6 +3555,9 @@ static int ov519_mode_init_regs(struct sd *sd)
if (sd->sensor == SEN_OV7670 &&
sd->gspca_dev.cam.cam_mode[sd->gspca_dev.curr_mode].priv)
reg_w(sd, OV519_R12_X_OFFSETL, 0x04);
+ else if (sd->sensor == SEN_OV7648 &&
+ sd->gspca_dev.cam.cam_mode[sd->gspca_dev.curr_mode].priv)
+ reg_w(sd, OV519_R12_X_OFFSETL, 0x01);
else
reg_w(sd, OV519_R12_X_OFFSETL, 0x00);
reg_w(sd, OV519_R13_X_OFFSETH, 0x00);
@@ -3520,6 +3575,7 @@ static int ov519_mode_init_regs(struct sd *sd)
sd->clockdiv = 0;
switch (sd->sensor) {
case SEN_OV7640:
+ case SEN_OV7648:
switch (sd->frame_rate) {
default:
/* case 30: */
@@ -3649,6 +3705,7 @@ static int mode_init_ov_sensor_regs(struct sd *sd)
i2c_w_mask(sd, 0x12, 0x04, 0x06); /* AWB: 1 Test pattern: 0 */
break;
case SEN_OV7620:
+ case SEN_OV7620AE:
case SEN_OV76BE:
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20);
@@ -3663,13 +3720,16 @@ static int mode_init_ov_sensor_regs(struct sd *sd)
i2c_w(sd, 0x35, qvga ? 0x1e : 0x9e);
break;
case SEN_OV7640:
+ case SEN_OV7648:
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20);
-/* i2c_w(sd, 0x24, qvga ? 0x20 : 0x3a); */
-/* i2c_w(sd, 0x25, qvga ? 0x30 : 0x60); */
-/* i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40); */
-/* i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0); */
-/* i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20); */
+ /* Setting this undocumented bit in qvga mode removes a very
+ annoying vertical shaking of the image */
+ i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40);
+ /* Unknown */
+ i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0);
+ /* Allow higher automatic gain (to allow higher framerates) */
+ i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20);
i2c_w_mask(sd, 0x12, 0x04, 0x04); /* AWB: 1 */
break;
case SEN_OV7670:
@@ -3795,11 +3855,13 @@ static int set_ov_sensor_window(struct sd *sd)
}
break;
case SEN_OV7620:
+ case SEN_OV7620AE:
hwsbase = 0x2f; /* From 7620.SET (spec is wrong) */
hwebase = 0x2f;
vwsbase = vwebase = 0x05;
break;
case SEN_OV7640:
+ case SEN_OV7648:
hwsbase = 0x1a;
hwebase = 0x1a;
vwsbase = vwebase = 0x03;
@@ -3893,6 +3955,12 @@ static int sd_start(struct gspca_dev *gspca_dev)
setautobrightness(sd);
setfreq(sd);
+ /* Force clear snapshot state in case the snapshot button was
+ pressed while we weren't streaming */
+ sd->snapshot_needs_reset = 1;
+ sd_reset_snapshot(gspca_dev);
+ sd->snapshot_pressed = 0;
+
ret = ov51x_restart(sd);
if (ret < 0)
goto out;
@@ -3919,6 +3987,34 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
w9968cf_stop0(sd);
}
+static void ov51x_handle_button(struct gspca_dev *gspca_dev, u8 state)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->snapshot_pressed != state) {
+#ifdef CONFIG_INPUT
+ input_report_key(gspca_dev->input_dev, KEY_CAMERA, state);
+ input_sync(gspca_dev->input_dev);
+#endif
+ if (state)
+ sd->snapshot_needs_reset = 1;
+
+ sd->snapshot_pressed = state;
+ } else {
+ /* On the ov511 / ov519 we need to reset the button state
+ multiple times, as resetting does not work as long as the
+ button stays pressed */
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ case BRIDGE_OV519:
+ if (state)
+ sd->snapshot_needs_reset = 1;
+ break;
+ }
+ }
+}
+
static void ov511_pkt_scan(struct gspca_dev *gspca_dev,
u8 *in, /* isoc packet */
int len) /* iso packet length */
@@ -3940,6 +4036,7 @@ static void ov511_pkt_scan(struct gspca_dev *gspca_dev,
*/
if (!(in[0] | in[1] | in[2] | in[3] | in[4] | in[5] | in[6] | in[7]) &&
(in[8] & 0x08)) {
+ ov51x_handle_button(gspca_dev, (in[8] >> 2) & 1);
if (in[8] & 0x80) {
/* Frame end */
if ((in[9] + 1) * 8 != gspca_dev->width ||
@@ -3977,6 +4074,7 @@ static void ov518_pkt_scan(struct gspca_dev *gspca_dev,
/* A false positive here is likely, until OVT gives me
* the definitive SOF/EOF format */
if ((!(data[0] | data[1] | data[2] | data[3] | data[5])) && data[6]) {
+ ov51x_handle_button(gspca_dev, (data[6] >> 1) & 1);
gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
sd->packet_nr = 0;
@@ -4024,6 +4122,9 @@ static void ov519_pkt_scan(struct gspca_dev *gspca_dev,
if (data[0] == 0xff && data[1] == 0xff && data[2] == 0xff) {
switch (data[3]) {
case 0x50: /* start of frame */
+ /* Don't check the button state here, as the state
+ usually (always ?) changes at EOF and checking it
+ here leads to unnecessary snapshot state resets. */
#define HDRSZ 16
data += HDRSZ;
len -= HDRSZ;
@@ -4035,6 +4136,7 @@ static void ov519_pkt_scan(struct gspca_dev *gspca_dev,
gspca_dev->last_packet_type = DISCARD_PACKET;
return;
case 0x51: /* end of frame */
+ ov51x_handle_button(gspca_dev, data[11] & 1);
if (data[9] != 0)
gspca_dev->last_packet_type = DISCARD_PACKET;
gspca_frame_add(gspca_dev, LAST_PACKET,
@@ -4103,9 +4205,11 @@ static void setbrightness(struct gspca_dev *gspca_dev)
case SEN_OV6630:
case SEN_OV66308AF:
case SEN_OV7640:
+ case SEN_OV7648:
i2c_w(sd, OV7610_REG_BRT, val);
break;
case SEN_OV7620:
+ case SEN_OV7620AE:
/* 7620 doesn't like manual changes when in auto mode */
if (!sd->autobrightness)
i2c_w(sd, OV7610_REG_BRT, val);
@@ -4142,7 +4246,8 @@ static void setcontrast(struct gspca_dev *gspca_dev)
i2c_w(sd, 0x64, ctab[val >> 5]);
break;
}
- case SEN_OV7620: {
+ case SEN_OV7620:
+ case SEN_OV7620AE: {
static const __u8 ctab[] = {
0x01, 0x05, 0x09, 0x11, 0x15, 0x35, 0x37, 0x57,
0x5b, 0xa5, 0xa7, 0xc7, 0xc9, 0xcf, 0xef, 0xff
@@ -4152,10 +4257,6 @@ static void setcontrast(struct gspca_dev *gspca_dev)
i2c_w(sd, 0x64, ctab[val >> 4]);
break;
}
- case SEN_OV7640:
- /* Use gain control instead. */
- i2c_w(sd, OV7610_REG_GAIN, val >> 2);
- break;
case SEN_OV7670:
/* check that this isn't just the same as ov7610 */
i2c_w(sd, OV7670_REG_CONTRAS, val >> 1);
@@ -4179,6 +4280,7 @@ static void setcolors(struct gspca_dev *gspca_dev)
i2c_w(sd, OV7610_REG_SAT, val);
break;
case SEN_OV7620:
+ case SEN_OV7620AE:
/* Use UV gamma control instead. Bits 0 & 7 are reserved. */
/* rc = ov_i2c_write(sd->dev, 0x62, (val >> 9) & 0x7e);
if (rc < 0)
@@ -4186,6 +4288,7 @@ static void setcolors(struct gspca_dev *gspca_dev)
i2c_w(sd, OV7610_REG_SAT, val);
break;
case SEN_OV7640:
+ case SEN_OV7648:
i2c_w(sd, OV7610_REG_SAT, val & 0xf0);
break;
case SEN_OV7670:
@@ -4198,7 +4301,8 @@ static void setcolors(struct gspca_dev *gspca_dev)
static void setautobrightness(struct sd *sd)
{
- if (sd->sensor == SEN_OV7640 || sd->sensor == SEN_OV7670 ||
+ if (sd->sensor == SEN_OV7640 || sd->sensor == SEN_OV7648 ||
+ sd->sensor == SEN_OV7670 ||
sd->sensor == SEN_OV2610 || sd->sensor == SEN_OV3610)
return;
@@ -4475,9 +4579,13 @@ static const struct sd_desc sd_desc = {
.stopN = sd_stopN,
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
+ .dq_callback = sd_reset_snapshot,
.querymenu = sd_querymenu,
.get_jcomp = sd_get_jcomp,
.set_jcomp = sd_set_jcomp,
+#ifdef CONFIG_INPUT
+ .other_input = 1,
+#endif
};
/* -- module initialisation -- */
@@ -4494,7 +4602,8 @@ static const __devinitdata struct usb_device_id device_table[] = {
.driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
{USB_DEVICE(0x045e, 0x028c), .driver_info = BRIDGE_OV519 },
{USB_DEVICE(0x054c, 0x0154), .driver_info = BRIDGE_OV519 },
- {USB_DEVICE(0x054c, 0x0155), .driver_info = BRIDGE_OV519 },
+ {USB_DEVICE(0x054c, 0x0155),
+ .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
{USB_DEVICE(0x05a9, 0x0511), .driver_info = BRIDGE_OV511 },
{USB_DEVICE(0x05a9, 0x0518), .driver_info = BRIDGE_OV518 },
{USB_DEVICE(0x05a9, 0x0519), .driver_info = BRIDGE_OV519 },
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 08:33:26 +0000