V4L/DVB (6591): Adds support for MT9V111 on sn9c102

Adds a new image sensor to the sn9c102 driver.

Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/Documentation/video4linux/sn9c102.txt b/Documentation/video4linux/sn9c102.txt
index 1ffad19ce8910b375fa46b192a66918e28ac33f3..b26f5195af51f58db1d4a04f2826e044b29bc8a2 100644 (file)
--- a/Documentation/video4linux/sn9c102.txt
+++ b/Documentation/video4linux/sn9c102.txt
@@ -568,6 +568,7 @@ the fingerprint is: '88E8 F32F 7244 68BA 3958  5D40 99DA 5D2A FCE6 35A4'.
 Many thanks to following persons for their contribute (listed in alphabetical
 order):
 
+- David Anderson for the donation of a webcam;
 - Luca Capello for the donation of a webcam;
 - Philippe Coval for having helped testing the PAS202BCA image sensor;
 - Joao Rodrigo Fuzaro, Joao Limirio, Claudio Filho and Caio Begotti for the

diff --git a/drivers/media/video/sn9c102/Makefile b/drivers/media/video/sn9c102/Makefile
index a56d16f69c713550ff58d1a85115ccafc06f1fa4..7ecd5a90c7c9c13c39ef470b4f86d71a0e4b1d74 100644 (file)
--- a/drivers/media/video/sn9c102/Makefile
+++ b/drivers/media/video/sn9c102/Makefile
@@ -3,6 +3,7 @@ sn9c102-objs := sn9c102_core.o \
                sn9c102_hv7131r.o \
                sn9c102_mi0343.o \
                sn9c102_mi0360.o \
+               sn9c102_mt9v111.o \
                sn9c102_ov7630.o \
                sn9c102_ov7660.o \
                sn9c102_pas106b.o \

diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c
index 511847912c485fbb2ec85a125e1bd9a29032dd5b..c40ba3adab21ccc24ff8ab27a3f6ffeef1bb04a1 100644 (file)
--- a/drivers/media/video/sn9c102/sn9c102_core.c
+++ b/drivers/media/video/sn9c102/sn9c102_core.c
@@ -47,7 +47,7 @@
 #define SN9C102_MODULE_AUTHOR   "(C) 2004-2007 Luca Risolia"
 #define SN9C102_AUTHOR_EMAIL    "<luca.risolia@studio.unibo.it>"
 #define SN9C102_MODULE_LICENSE  "GPL"
-#define SN9C102_MODULE_VERSION  "1:1.47"
+#define SN9C102_MODULE_VERSION  "1:1.47pre49"
 #define SN9C102_MODULE_VERSION_CODE  KERNEL_VERSION(1, 1, 47)
 
 /*****************************************************************************/
@@ -3322,7 +3322,6 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
        cam->v4ldev->fops = &sn9c102_fops;
        cam->v4ldev->minor = video_nr[dev_nr];
        cam->v4ldev->release = video_device_release;
-       video_set_drvdata(cam->v4ldev, cam);
 
        init_completion(&cam->probe);
 
@@ -3340,6 +3339,7 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
 
        DBG(2, "V4L2 device registered as /dev/video%d", cam->v4ldev->minor);
 
+       video_set_drvdata(cam->v4ldev, cam);
        cam->module_param.force_munmap = force_munmap[dev_nr];
        cam->module_param.frame_timeout = frame_timeout[dev_nr];
 

diff --git a/drivers/media/video/sn9c102/sn9c102_devtable.h b/drivers/media/video/sn9c102/sn9c102_devtable.h
index 916054faf9be46d62e083a4ffb670c40d32b582c..35223e0d7e49bb09deada63abd58f8428a59e18b 100644 (file)
--- a/drivers/media/video/sn9c102/sn9c102_devtable.h
+++ b/drivers/media/video/sn9c102/sn9c102_devtable.h
@@ -126,6 +126,7 @@ extern int sn9c102_probe_hv7131d(struct sn9c102_device* cam);
 extern int sn9c102_probe_hv7131r(struct sn9c102_device* cam);
 extern int sn9c102_probe_mi0343(struct sn9c102_device* cam);
 extern int sn9c102_probe_mi0360(struct sn9c102_device* cam);
+extern int sn9c102_probe_mt9v111(struct sn9c102_device *cam);
 extern int sn9c102_probe_ov7630(struct sn9c102_device* cam);
 extern int sn9c102_probe_ov7660(struct sn9c102_device* cam);
 extern int sn9c102_probe_pas106b(struct sn9c102_device* cam);
@@ -144,6 +145,7 @@ static int (*sn9c102_sensor_table[])(struct sn9c102_device*) = {
        &sn9c102_probe_hv7131r, /* strong detection based on SENSOR ids */
        &sn9c102_probe_mi0343, /* strong detection based on SENSOR ids */
        &sn9c102_probe_mi0360, /* strong detection based on SENSOR ids */
+       &sn9c102_probe_mt9v111, /* strong detection based on SENSOR ids */
        &sn9c102_probe_pas106b, /* strong detection based on SENSOR ids */
        &sn9c102_probe_pas202bcb, /* strong detection based on SENSOR ids */
        &sn9c102_probe_ov7630, /* strong detection based on SENSOR ids */

diff --git a/drivers/media/video/sn9c102/sn9c102_mt9v111.c b/drivers/media/video/sn9c102/sn9c102_mt9v111.c
new file mode 100644 (file)
index 0000000..3b98ac3
--- /dev/null
+++ b/drivers/media/video/sn9c102/sn9c102_mt9v111.c
@@ -0,0 +1,259 @@
+/***************************************************************************
+ * Plug-in for MT9V111 image sensor connected to the SN9C1xx PC Camera     *
+ * Controllers                                                             *
+ *                                                                         *
+ * Copyright (C) 2007 by Luca Risolia <luca.risolia@studio.unibo.it>       *
+ *                                                                         *
+ * This program is free software; you can redistribute it and/or modify    *
+ * it under the terms of the GNU General Public License as published by    *
+ * the Free Software Foundation; either version 2 of the License, or       *
+ * (at your option) any later version.                                     *
+ *                                                                         *
+ * This program is distributed in the hope that it will be useful,         *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of          *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
+ * GNU General Public License for more details.                            *
+ *                                                                         *
+ * You should have received a copy of the GNU General Public License       *
+ * along with this program; if not, write to the Free Software             *
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.               *
+ ***************************************************************************/
+
+#include "sn9c102_sensor.h"
+
+
+static int mt9v111_init(struct sn9c102_device *cam)
+{
+       struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
+       int err = 0;
+
+       err = sn9c102_write_const_regs(cam, {0x44, 0x01}, {0x40, 0x02},
+                                      {0x00, 0x03}, {0x1a, 0x04},
+                                      {0x1f, 0x05}, {0x20, 0x06},
+                                      {0x1f, 0x07}, {0x81, 0x08},
+                                      {0x5c, 0x09}, {0x00, 0x0a},
+                                      {0x00, 0x0b}, {0x00, 0x0c},
+                                      {0x00, 0x0d}, {0x00, 0x0e},
+                                      {0x00, 0x0f}, {0x03, 0x10},
+                                      {0x00, 0x11}, {0x00, 0x12},
+                                      {0x02, 0x13}, {0x14, 0x14},
+                                      {0x28, 0x15}, {0x1e, 0x16},
+                                      {0xe2, 0x17}, {0x06, 0x18},
+                                      {0x00, 0x19}, {0x00, 0x1a},
+                                      {0x00, 0x1b}, {0x08, 0x20},
+                                      {0x39, 0x21}, {0x51, 0x22},
+                                      {0x63, 0x23}, {0x73, 0x24},
+                                      {0x82, 0x25}, {0x8f, 0x26},
+                                      {0x9b, 0x27}, {0xa7, 0x28},
+                                      {0xb1, 0x29}, {0xbc, 0x2a},
+                                      {0xc6, 0x2b}, {0xcf, 0x2c},
+                                      {0xd8, 0x2d}, {0xe1, 0x2e},
+                                      {0xea, 0x2f}, {0xf2, 0x30},
+                                      {0x13, 0x84}, {0x00, 0x85},
+                                      {0x25, 0x86}, {0x00, 0x87},
+                                      {0x07, 0x88}, {0x00, 0x89},
+                                      {0xee, 0x8a}, {0x0f, 0x8b},
+                                      {0xe5, 0x8c}, {0x0f, 0x8d},
+                                      {0x2e, 0x8e}, {0x00, 0x8f},
+                                      {0x30, 0x90}, {0x00, 0x91},
+                                      {0xd4, 0x92}, {0x0f, 0x93},
+                                      {0xfc, 0x94}, {0x0f, 0x95},
+                                      {0x14, 0x96}, {0x00, 0x97},
+                                      {0x00, 0x98}, {0x60, 0x99},
+                                      {0x07, 0x9a}, {0x40, 0x9b},
+                                      {0x20, 0x9c}, {0x00, 0x9d},
+                                      {0x00, 0x9e}, {0x00, 0x9f},
+                                      {0x2d, 0xc0}, {0x2d, 0xc1},
+                                      {0x3a, 0xc2}, {0x05, 0xc3},
+                                      {0x04, 0xc4}, {0x3f, 0xc5},
+                                      {0x00, 0xc6}, {0x00, 0xc7},
+                                      {0x50, 0xc8}, {0x3c, 0xc9},
+                                      {0x28, 0xca}, {0xd8, 0xcb},
+                                      {0x14, 0xcc}, {0xec, 0xcd},
+                                      {0x32, 0xce}, {0xdd, 0xcf},
+                                      {0x2d, 0xd0}, {0xdd, 0xd1},
+                                      {0x6a, 0xd2}, {0x50, 0xd3},
+                                      {0x60, 0xd4}, {0x00, 0xd5},
+                                      {0x00, 0xd6});
+
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01,
+                                        0x00, 0x01, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d,
+                                        0x00, 0x01, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d,
+                                        0x00, 0x00, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x08,
+                                        0x04, 0x80, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01,
+                                        0x00, 0x04, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x08,
+                                        0x00, 0x08, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x02,
+                                        0x00, 0x16, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x03,
+                                        0x01, 0xe7, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x04,
+                                        0x02, 0x87, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x06,
+                                        0x00, 0x40, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x05,
+                                        0x00, 0x09, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x07,
+                                        0x30, 0x02, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0c,
+                                        0x00, 0x00, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x12,
+                                        0x00, 0xb0, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x13,
+                                        0x00, 0x7c, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x1e,
+                                        0x00, 0x00, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x20,
+                                        0x00, 0x00, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x20,
+                                        0x00, 0x00, 0, 0);
+       err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01,
+                                        0x00, 0x04, 0, 0);
+
+       return err;
+}
+
+static int mt9v111_get_ctrl(struct sn9c102_device *cam,
+                           struct v4l2_control *ctrl)
+{
+       struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
+       u8 data[2];
+       int err = 0;
+
+       switch (ctrl->id) {
+       case V4L2_CID_VFLIP:
+               if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x20, 2,
+                                            data) < 0)
+                       return -EIO;
+               ctrl->value = data[1] & 0x80 ? 1 : 0;
+               return 0;
+       default:
+               return -EINVAL;
+       }
+
+       return err ? -EIO : 0;
+}
+
+static int mt9v111_set_ctrl(struct sn9c102_device *cam,
+                           const struct v4l2_control *ctrl)
+{
+       struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
+       int err = 0;
+
+       switch (ctrl->id) {
+       case V4L2_CID_VFLIP:
+               err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
+                                                0x20,
+                                                ctrl->value ? 0x80 : 0x00,
+                                                ctrl->value ? 0x80 : 0x00, 0,
+                                                0);
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return err ? -EIO : 0;
+}
+
+static int mt9v111_set_crop(struct sn9c102_device *cam,
+                           const struct v4l2_rect *rect)
+{
+       struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
+       int err = 0;
+       u8 v_start = (u8) (rect->top - s->cropcap.bounds.top) + 2;
+
+       err += sn9c102_write_reg(cam, v_start, 0x13);
+
+       return err;
+}
+
+static int mt9v111_set_pix_format(struct sn9c102_device *cam,
+                                 const struct v4l2_pix_format *pix)
+{
+       int err = 0;
+
+       if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) {
+               err += sn9c102_write_reg(cam, 0xb4, 0x17);
+       } else {
+               err += sn9c102_write_reg(cam, 0xe2, 0x17);
+       }
+
+       return err;
+}
+
+
+static const struct sn9c102_sensor mt9v111 = {
+       .name = "MT9V111",
+       .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
+       .supported_bridge = BRIDGE_SN9C105 | BRIDGE_SN9C120,
+       .frequency = SN9C102_I2C_100KHZ,
+       .interface = SN9C102_I2C_2WIRES,
+       .i2c_slave_id = 0x5c,
+       .init = &mt9v111_init,
+       .qctrl = {
+               {
+                       .id = V4L2_CID_VFLIP,
+                       .type = V4L2_CTRL_TYPE_BOOLEAN,
+                       .name = "vertical mirror",
+                       .minimum = 0,
+                       .maximum = 1,
+                       .step = 1,
+                       .default_value = 0,
+                       .flags = 0,
+               },
+       },
+       .get_ctrl = &mt9v111_get_ctrl,
+       .set_ctrl = &mt9v111_set_ctrl,
+       .cropcap = {
+               .bounds = {
+                       .left = 0,
+                       .top = 0,
+                       .width = 640,
+                       .height = 480,
+               },
+               .defrect = {
+                       .left = 0,
+                       .top = 0,
+                       .width = 640,
+                       .height = 480,
+               },
+       },
+       .set_crop = &mt9v111_set_crop,
+       .pix_format = {
+               .width = 640,
+               .height = 480,
+               .pixelformat = V4L2_PIX_FMT_SBGGR8,
+               .priv = 8,
+       },
+       .set_pix_format = &mt9v111_set_pix_format
+};
+
+
+int sn9c102_probe_mt9v111(struct sn9c102_device *cam)
+{
+       u8 data[2];
+       int err = 0;
+
+       err += sn9c102_write_const_regs(cam, {0x01, 0xf1}, {0x00, 0xf1},
+                                       {0x29, 0x01}, {0x42, 0x17},
+                                       {0x62, 0x17}, {0x08, 0x01});
+       err += sn9c102_i2c_try_raw_write(cam, &mt9v111, 4,
+                                        mt9v111.i2c_slave_id, 0x01, 0x00,
+                                        0x04, 0, 0);
+       if (err || sn9c102_i2c_try_raw_read(cam, &mt9v111,
+                                           mt9v111.i2c_slave_id, 0x36, 2,
+                                           data) < 0)
+               return -EIO;
+
+       if (data[0] != 0x82 || data[1] != 0x3a)
+               return -ENODEV;
+
+       sn9c102_attach_sensor(cam, &mt9v111);
+
+       return 0;
+}