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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 16:23:43 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 16:42:14 -0300
commitcb7a01ac324bf2ee2c666f37ac867e4135f9785a (patch)
tree7246b915a9334d4bc823c93ba9acab65ef882678 /drivers/media/video/adv7175.c
parentf0af8fa4dad0839f844fd0633e1936493f6d685a (diff)
downloadop-kernel-dev-cb7a01ac324bf2ee2c666f37ac867e4135f9785a.zip
op-kernel-dev-cb7a01ac324bf2ee2c666f37ac867e4135f9785a.tar.gz
[media] move i2c files into drivers/media/i2c
Move ancillary I2C drivers into drivers/media/i2c, in order to better organize them. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/adv7175.c')
-rw-r--r--drivers/media/video/adv7175.c460
1 files changed, 0 insertions, 460 deletions
diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c
deleted file mode 100644
index c7640fa..0000000
--- a/drivers/media/video/adv7175.c
+++ /dev/null
@@ -1,460 +0,0 @@
-/*
- * adv7175 - adv7175a video encoder driver version 0.0.3
- *
- * Copyright (C) 1998 Dave Perks <dperks@ibm.net>
- * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net>
- * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
- * - some corrections for Pinnacle Systems Inc. DC10plus card.
- *
- * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
- * - moved over to linux>=2.4.x i2c protocol (9/9/2002)
- *
- * 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 <linux/module.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/ioctl.h>
-#include <asm/uaccess.h>
-#include <linux/i2c.h>
-#include <linux/videodev2.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
-
-MODULE_DESCRIPTION("Analog Devices ADV7175 video encoder driver");
-MODULE_AUTHOR("Dave Perks");
-MODULE_LICENSE("GPL");
-
-#define I2C_ADV7175 0xd4
-#define I2C_ADV7176 0x54
-
-
-static int debug;
-module_param(debug, int, 0);
-MODULE_PARM_DESC(debug, "Debug level (0-1)");
-
-/* ----------------------------------------------------------------------- */
-
-struct adv7175 {
- struct v4l2_subdev sd;
- v4l2_std_id norm;
- int input;
-};
-
-static inline struct adv7175 *to_adv7175(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct adv7175, sd);
-}
-
-static char *inputs[] = { "pass_through", "play_back", "color_bar" };
-
-static enum v4l2_mbus_pixelcode adv7175_codes[] = {
- V4L2_MBUS_FMT_UYVY8_2X8,
- V4L2_MBUS_FMT_UYVY8_1X16,
-};
-
-/* ----------------------------------------------------------------------- */
-
-static inline int adv7175_write(struct v4l2_subdev *sd, u8 reg, u8 value)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-static inline int adv7175_read(struct v4l2_subdev *sd, u8 reg)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- return i2c_smbus_read_byte_data(client, reg);
-}
-
-static int adv7175_write_block(struct v4l2_subdev *sd,
- const u8 *data, unsigned int len)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- int ret = -1;
- u8 reg;
-
- /* the adv7175 has an autoincrement function, use it if
- * the adapter understands raw I2C */
- if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
- /* do raw I2C, not smbus compatible */
- u8 block_data[32];
- int block_len;
-
- while (len >= 2) {
- block_len = 0;
- block_data[block_len++] = reg = data[0];
- do {
- block_data[block_len++] = data[1];
- reg++;
- len -= 2;
- data += 2;
- } while (len >= 2 && data[0] == reg && block_len < 32);
- ret = i2c_master_send(client, block_data, block_len);
- if (ret < 0)
- break;
- }
- } else {
- /* do some slow I2C emulation kind of thing */
- while (len >= 2) {
- reg = *data++;
- ret = adv7175_write(sd, reg, *data++);
- if (ret < 0)
- break;
- len -= 2;
- }
- }
-
- return ret;
-}
-
-static void set_subcarrier_freq(struct v4l2_subdev *sd, int pass_through)
-{
- /* for some reason pass_through NTSC needs
- * a different sub-carrier freq to remain stable. */
- if (pass_through)
- adv7175_write(sd, 0x02, 0x00);
- else
- adv7175_write(sd, 0x02, 0x55);
-
- adv7175_write(sd, 0x03, 0x55);
- adv7175_write(sd, 0x04, 0x55);
- adv7175_write(sd, 0x05, 0x25);
-}
-
-/* ----------------------------------------------------------------------- */
-/* Output filter: S-Video Composite */
-
-#define MR050 0x11 /* 0x09 */
-#define MR060 0x14 /* 0x0c */
-
-/* ----------------------------------------------------------------------- */
-
-#define TR0MODE 0x46
-#define TR0RST 0x80
-
-#define TR1CAPT 0x80
-#define TR1PLAY 0x00
-
-static const unsigned char init_common[] = {
-
- 0x00, MR050, /* MR0, PAL enabled */
- 0x01, 0x00, /* MR1 */
- 0x02, 0x0c, /* subc. freq. */
- 0x03, 0x8c, /* subc. freq. */
- 0x04, 0x79, /* subc. freq. */
- 0x05, 0x26, /* subc. freq. */
- 0x06, 0x40, /* subc. phase */
-
- 0x07, TR0MODE, /* TR0, 16bit */
- 0x08, 0x21, /* */
- 0x09, 0x00, /* */
- 0x0a, 0x00, /* */
- 0x0b, 0x00, /* */
- 0x0c, TR1CAPT, /* TR1 */
- 0x0d, 0x4f, /* MR2 */
- 0x0e, 0x00, /* */
- 0x0f, 0x00, /* */
- 0x10, 0x00, /* */
- 0x11, 0x00, /* */
-};
-
-static const unsigned char init_pal[] = {
- 0x00, MR050, /* MR0, PAL enabled */
- 0x01, 0x00, /* MR1 */
- 0x02, 0x0c, /* subc. freq. */
- 0x03, 0x8c, /* subc. freq. */
- 0x04, 0x79, /* subc. freq. */
- 0x05, 0x26, /* subc. freq. */
- 0x06, 0x40, /* subc. phase */
-};
-
-static const unsigned char init_ntsc[] = {
- 0x00, MR060, /* MR0, NTSC enabled */
- 0x01, 0x00, /* MR1 */
- 0x02, 0x55, /* subc. freq. */
- 0x03, 0x55, /* subc. freq. */
- 0x04, 0x55, /* subc. freq. */
- 0x05, 0x25, /* subc. freq. */
- 0x06, 0x1a, /* subc. phase */
-};
-
-static int adv7175_init(struct v4l2_subdev *sd, u32 val)
-{
- /* This is just for testing!!! */
- adv7175_write_block(sd, init_common, sizeof(init_common));
- adv7175_write(sd, 0x07, TR0MODE | TR0RST);
- adv7175_write(sd, 0x07, TR0MODE);
- return 0;
-}
-
-static int adv7175_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
-{
- struct adv7175 *encoder = to_adv7175(sd);
-
- if (std & V4L2_STD_NTSC) {
- adv7175_write_block(sd, init_ntsc, sizeof(init_ntsc));
- if (encoder->input == 0)
- adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */
- adv7175_write(sd, 0x07, TR0MODE | TR0RST);
- adv7175_write(sd, 0x07, TR0MODE);
- } else if (std & V4L2_STD_PAL) {
- adv7175_write_block(sd, init_pal, sizeof(init_pal));
- if (encoder->input == 0)
- adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */
- adv7175_write(sd, 0x07, TR0MODE | TR0RST);
- adv7175_write(sd, 0x07, TR0MODE);
- } else if (std & V4L2_STD_SECAM) {
- /* This is an attempt to convert
- * SECAM->PAL (typically it does not work
- * due to genlock: when decoder is in SECAM
- * and encoder in in PAL the subcarrier can
- * not be syncronized with horizontal
- * quency) */
- adv7175_write_block(sd, init_pal, sizeof(init_pal));
- if (encoder->input == 0)
- adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */
- adv7175_write(sd, 0x07, TR0MODE | TR0RST);
- adv7175_write(sd, 0x07, TR0MODE);
- } else {
- v4l2_dbg(1, debug, sd, "illegal norm: %llx\n",
- (unsigned long long)std);
- return -EINVAL;
- }
- v4l2_dbg(1, debug, sd, "switched to %llx\n", (unsigned long long)std);
- encoder->norm = std;
- return 0;
-}
-
-static int adv7175_s_routing(struct v4l2_subdev *sd,
- u32 input, u32 output, u32 config)
-{
- struct adv7175 *encoder = to_adv7175(sd);
-
- /* RJ: input = 0: input is from decoder
- input = 1: input is from ZR36060
- input = 2: color bar */
-
- switch (input) {
- case 0:
- adv7175_write(sd, 0x01, 0x00);
-
- if (encoder->norm & V4L2_STD_NTSC)
- set_subcarrier_freq(sd, 1);
-
- adv7175_write(sd, 0x0c, TR1CAPT); /* TR1 */
- if (encoder->norm & V4L2_STD_SECAM)
- adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */
- else
- adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */
- adv7175_write(sd, 0x07, TR0MODE | TR0RST);
- adv7175_write(sd, 0x07, TR0MODE);
- /*udelay(10);*/
- break;
-
- case 1:
- adv7175_write(sd, 0x01, 0x00);
-
- if (encoder->norm & V4L2_STD_NTSC)
- set_subcarrier_freq(sd, 0);
-
- adv7175_write(sd, 0x0c, TR1PLAY); /* TR1 */
- adv7175_write(sd, 0x0d, 0x49);
- adv7175_write(sd, 0x07, TR0MODE | TR0RST);
- adv7175_write(sd, 0x07, TR0MODE);
- /* udelay(10); */
- break;
-
- case 2:
- adv7175_write(sd, 0x01, 0x80);
-
- if (encoder->norm & V4L2_STD_NTSC)
- set_subcarrier_freq(sd, 0);
-
- adv7175_write(sd, 0x0d, 0x49);
- adv7175_write(sd, 0x07, TR0MODE | TR0RST);
- adv7175_write(sd, 0x07, TR0MODE);
- /* udelay(10); */
- break;
-
- default:
- v4l2_dbg(1, debug, sd, "illegal input: %d\n", input);
- return -EINVAL;
- }
- v4l2_dbg(1, debug, sd, "switched to %s\n", inputs[input]);
- encoder->input = input;
- return 0;
-}
-
-static int adv7175_enum_fmt(struct v4l2_subdev *sd, unsigned int index,
- enum v4l2_mbus_pixelcode *code)
-{
- if (index >= ARRAY_SIZE(adv7175_codes))
- return -EINVAL;
-
- *code = adv7175_codes[index];
- return 0;
-}
-
-static int adv7175_g_fmt(struct v4l2_subdev *sd,
- struct v4l2_mbus_framefmt *mf)
-{
- u8 val = adv7175_read(sd, 0x7);
-
- if ((val & 0x40) == (1 << 6))
- mf->code = V4L2_MBUS_FMT_UYVY8_1X16;
- else
- mf->code = V4L2_MBUS_FMT_UYVY8_2X8;
-
- mf->colorspace = V4L2_COLORSPACE_SMPTE170M;
- mf->width = 0;
- mf->height = 0;
- mf->field = V4L2_FIELD_ANY;
-
- return 0;
-}
-
-static int adv7175_s_fmt(struct v4l2_subdev *sd,
- struct v4l2_mbus_framefmt *mf)
-{
- u8 val = adv7175_read(sd, 0x7);
- int ret;
-
- switch (mf->code) {
- case V4L2_MBUS_FMT_UYVY8_2X8:
- val &= ~0x40;
- break;
-
- case V4L2_MBUS_FMT_UYVY8_1X16:
- val |= 0x40;
- break;
-
- default:
- v4l2_dbg(1, debug, sd,
- "illegal v4l2_mbus_framefmt code: %d\n", mf->code);
- return -EINVAL;
- }
-
- ret = adv7175_write(sd, 0x7, val);
-
- return ret;
-}
-
-static int adv7175_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7175, 0);
-}
-
-static int adv7175_s_power(struct v4l2_subdev *sd, int on)
-{
- if (on)
- adv7175_write(sd, 0x01, 0x00);
- else
- adv7175_write(sd, 0x01, 0x78);
-
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_subdev_core_ops adv7175_core_ops = {
- .g_chip_ident = adv7175_g_chip_ident,
- .init = adv7175_init,
- .s_power = adv7175_s_power,
-};
-
-static const struct v4l2_subdev_video_ops adv7175_video_ops = {
- .s_std_output = adv7175_s_std_output,
- .s_routing = adv7175_s_routing,
- .s_mbus_fmt = adv7175_s_fmt,
- .g_mbus_fmt = adv7175_g_fmt,
- .enum_mbus_fmt = adv7175_enum_fmt,
-};
-
-static const struct v4l2_subdev_ops adv7175_ops = {
- .core = &adv7175_core_ops,
- .video = &adv7175_video_ops,
-};
-
-/* ----------------------------------------------------------------------- */
-
-static int adv7175_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- int i;
- struct adv7175 *encoder;
- struct v4l2_subdev *sd;
-
- /* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return -ENODEV;
-
- v4l_info(client, "chip found @ 0x%x (%s)\n",
- client->addr << 1, client->adapter->name);
-
- encoder = kzalloc(sizeof(struct adv7175), GFP_KERNEL);
- if (encoder == NULL)
- return -ENOMEM;
- sd = &encoder->sd;
- v4l2_i2c_subdev_init(sd, client, &adv7175_ops);
- encoder->norm = V4L2_STD_NTSC;
- encoder->input = 0;
-
- i = adv7175_write_block(sd, init_common, sizeof(init_common));
- if (i >= 0) {
- i = adv7175_write(sd, 0x07, TR0MODE | TR0RST);
- i = adv7175_write(sd, 0x07, TR0MODE);
- i = adv7175_read(sd, 0x12);
- v4l2_dbg(1, debug, sd, "revision %d\n", i & 1);
- }
- if (i < 0)
- v4l2_dbg(1, debug, sd, "init error 0x%x\n", i);
- return 0;
-}
-
-static int adv7175_remove(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
-
- v4l2_device_unregister_subdev(sd);
- kfree(to_adv7175(sd));
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct i2c_device_id adv7175_id[] = {
- { "adv7175", 0 },
- { "adv7176", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, adv7175_id);
-
-static struct i2c_driver adv7175_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "adv7175",
- },
- .probe = adv7175_probe,
- .remove = adv7175_remove,
- .id_table = adv7175_id,
-};
-
-module_i2c_driver(adv7175_driver);
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