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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/upd64031a.c
parentf0af8fa4dad0839f844fd0633e1936493f6d685a (diff)
downloadlinux-cb7a01ac324bf2ee2c666f37ac867e4135f9785a.tar.bz2
[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/upd64031a.c')
-rw-r--r--drivers/media/video/upd64031a.c274
1 files changed, 0 insertions, 274 deletions
diff --git a/drivers/media/video/upd64031a.c b/drivers/media/video/upd64031a.c
deleted file mode 100644
index 1e7446542091..000000000000
--- a/drivers/media/video/upd64031a.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * upd64031A - NEC Electronics Ghost Reduction for NTSC in Japan
- *
- * 2003 by T.Adachi <tadachi@tadachi-net.com>
- * 2003 by Takeru KOMORIYA <komoriya@paken.org>
- * 2006 by Hans Verkuil <hverkuil@xs4all.nl>
- *
- * 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/kernel.h>
-#include <linux/i2c.h>
-#include <linux/videodev2.h>
-#include <linux/slab.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
-#include <media/upd64031a.h>
-
-/* --------------------- read registers functions define -------------------- */
-
-/* bit masks */
-#define GR_MODE_MASK 0xc0
-#define DIRECT_3DYCS_CONNECT_MASK 0xc0
-#define SYNC_CIRCUIT_MASK 0xa0
-
-/* -------------------------------------------------------------------------- */
-
-MODULE_DESCRIPTION("uPD64031A driver");
-MODULE_AUTHOR("T. Adachi, Takeru KOMORIYA, Hans Verkuil");
-MODULE_LICENSE("GPL");
-
-static int debug;
-module_param(debug, int, 0644);
-
-MODULE_PARM_DESC(debug, "Debug level (0-1)");
-
-
-enum {
- R00 = 0, R01, R02, R03, R04,
- R05, R06, R07, R08, R09,
- R0A, R0B, R0C, R0D, R0E, R0F,
- /* unused registers
- R10, R11, R12, R13, R14,
- R15, R16, R17,
- */
- TOT_REGS
-};
-
-struct upd64031a_state {
- struct v4l2_subdev sd;
- u8 regs[TOT_REGS];
- u8 gr_mode;
- u8 direct_3dycs_connect;
- u8 ext_comp_sync;
- u8 ext_vert_sync;
-};
-
-static inline struct upd64031a_state *to_state(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct upd64031a_state, sd);
-}
-
-static u8 upd64031a_init[] = {
- 0x00, 0xb8, 0x48, 0xd2, 0xe6,
- 0x03, 0x10, 0x0b, 0xaf, 0x7f,
- 0x00, 0x00, 0x1d, 0x5e, 0x00,
- 0xd0
-};
-
-/* ------------------------------------------------------------------------ */
-
-static u8 upd64031a_read(struct v4l2_subdev *sd, u8 reg)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- u8 buf[2];
-
- if (reg >= sizeof(buf))
- return 0xff;
- i2c_master_recv(client, buf, 2);
- return buf[reg];
-}
-
-/* ------------------------------------------------------------------------ */
-
-static void upd64031a_write(struct v4l2_subdev *sd, u8 reg, u8 val)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- u8 buf[2];
-
- buf[0] = reg;
- buf[1] = val;
- v4l2_dbg(1, debug, sd, "write reg: %02X val: %02X\n", reg, val);
- if (i2c_master_send(client, buf, 2) != 2)
- v4l2_err(sd, "I/O error write 0x%02x/0x%02x\n", reg, val);
-}
-
-/* ------------------------------------------------------------------------ */
-
-/* The input changed due to new input or channel changed */
-static int upd64031a_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
-{
- struct upd64031a_state *state = to_state(sd);
- u8 reg = state->regs[R00];
-
- v4l2_dbg(1, debug, sd, "changed input or channel\n");
- upd64031a_write(sd, R00, reg | 0x10);
- upd64031a_write(sd, R00, reg & ~0x10);
- return 0;
-}
-
-/* ------------------------------------------------------------------------ */
-
-static int upd64031a_s_routing(struct v4l2_subdev *sd,
- u32 input, u32 output, u32 config)
-{
- struct upd64031a_state *state = to_state(sd);
- u8 r00, r05, r08;
-
- state->gr_mode = (input & 3) << 6;
- state->direct_3dycs_connect = (input & 0xc) << 4;
- state->ext_comp_sync =
- (input & UPD64031A_COMPOSITE_EXTERNAL) << 1;
- state->ext_vert_sync =
- (input & UPD64031A_VERTICAL_EXTERNAL) << 2;
- r00 = (state->regs[R00] & ~GR_MODE_MASK) | state->gr_mode;
- r05 = (state->regs[R00] & ~SYNC_CIRCUIT_MASK) |
- state->ext_comp_sync | state->ext_vert_sync;
- r08 = (state->regs[R08] & ~DIRECT_3DYCS_CONNECT_MASK) |
- state->direct_3dycs_connect;
- upd64031a_write(sd, R00, r00);
- upd64031a_write(sd, R05, r05);
- upd64031a_write(sd, R08, r08);
- return upd64031a_s_frequency(sd, NULL);
-}
-
-static int upd64031a_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_UPD64031A, 0);
-}
-
-static int upd64031a_log_status(struct v4l2_subdev *sd)
-{
- v4l2_info(sd, "Status: SA00=0x%02x SA01=0x%02x\n",
- upd64031a_read(sd, 0), upd64031a_read(sd, 1));
- return 0;
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int upd64031a_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- if (!v4l2_chip_match_i2c_client(client, &reg->match))
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- reg->val = upd64031a_read(sd, reg->reg & 0xff);
- reg->size = 1;
- return 0;
-}
-
-static int upd64031a_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- if (!v4l2_chip_match_i2c_client(client, &reg->match))
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- upd64031a_write(sd, reg->reg & 0xff, reg->val & 0xff);
- return 0;
-}
-#endif
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_subdev_core_ops upd64031a_core_ops = {
- .log_status = upd64031a_log_status,
- .g_chip_ident = upd64031a_g_chip_ident,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
- .g_register = upd64031a_g_register,
- .s_register = upd64031a_s_register,
-#endif
-};
-
-static const struct v4l2_subdev_tuner_ops upd64031a_tuner_ops = {
- .s_frequency = upd64031a_s_frequency,
-};
-
-static const struct v4l2_subdev_video_ops upd64031a_video_ops = {
- .s_routing = upd64031a_s_routing,
-};
-
-static const struct v4l2_subdev_ops upd64031a_ops = {
- .core = &upd64031a_core_ops,
- .tuner = &upd64031a_tuner_ops,
- .video = &upd64031a_video_ops,
-};
-
-/* ------------------------------------------------------------------------ */
-
-/* i2c implementation */
-
-static int upd64031a_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct upd64031a_state *state;
- struct v4l2_subdev *sd;
- int i;
-
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return -EIO;
-
- v4l_info(client, "chip found @ 0x%x (%s)\n",
- client->addr << 1, client->adapter->name);
-
- state = kzalloc(sizeof(struct upd64031a_state), GFP_KERNEL);
- if (state == NULL)
- return -ENOMEM;
- sd = &state->sd;
- v4l2_i2c_subdev_init(sd, client, &upd64031a_ops);
- memcpy(state->regs, upd64031a_init, sizeof(state->regs));
- state->gr_mode = UPD64031A_GR_ON << 6;
- state->direct_3dycs_connect = UPD64031A_3DYCS_COMPOSITE << 4;
- state->ext_comp_sync = state->ext_vert_sync = 0;
- for (i = 0; i < TOT_REGS; i++)
- upd64031a_write(sd, i, state->regs[i]);
- return 0;
-}
-
-static int upd64031a_remove(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
-
- v4l2_device_unregister_subdev(sd);
- kfree(to_state(sd));
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct i2c_device_id upd64031a_id[] = {
- { "upd64031a", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, upd64031a_id);
-
-static struct i2c_driver upd64031a_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "upd64031a",
- },
- .probe = upd64031a_probe,
- .remove = upd64031a_remove,
- .id_table = upd64031a_id,
-};
-
-module_i2c_driver(upd64031a_driver);