diff options
Diffstat (limited to 'drivers/media/video/upd64083.c')
| -rw-r--r-- | drivers/media/video/upd64083.c | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/drivers/media/video/upd64083.c b/drivers/media/video/upd64083.c deleted file mode 100644 index 75d6acc62018..000000000000 --- a/drivers/media/video/upd64083.c +++ /dev/null @@ -1,246 +0,0 @@ -/* - * upd6408x - NEC Electronics 3-Dimensional Y/C separation driver - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, 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/upd64083.h> - -MODULE_DESCRIPTION("uPD64083 driver"); -MODULE_AUTHOR("T. Adachi, Takeru KOMORIYA, Hans Verkuil"); -MODULE_LICENSE("GPL"); - -static bool debug; -module_param(debug, bool, 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, - R10, R11, R12, R13, R14, - R15, R16, - TOT_REGS -}; - -struct upd64083_state { - struct v4l2_subdev sd; - u8 mode; - u8 ext_y_adc; - u8 regs[TOT_REGS]; -}; - -static inline struct upd64083_state *to_state(struct v4l2_subdev *sd) -{ - return container_of(sd, struct upd64083_state, sd); -} - -/* Initial values when used in combination with the - NEC upd64031a ghost reduction chip. */ -static u8 upd64083_init[] = { - 0x1f, 0x01, 0xa0, 0x2d, 0x29, /* we use EXCSS=0 */ - 0x36, 0xdd, 0x05, 0x56, 0x48, - 0x00, 0x3a, 0xa0, 0x05, 0x08, - 0x44, 0x60, 0x08, 0x52, 0xf8, - 0x53, 0x60, 0x10 -}; - -/* ------------------------------------------------------------------------ */ - -static void upd64083_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); -} - -/* ------------------------------------------------------------------------ */ - -#ifdef CONFIG_VIDEO_ADV_DEBUG -static u8 upd64083_read(struct v4l2_subdev *sd, u8 reg) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - u8 buf[7]; - - if (reg >= sizeof(buf)) - return 0xff; - i2c_master_recv(client, buf, sizeof(buf)); - return buf[reg]; -} -#endif - -/* ------------------------------------------------------------------------ */ - -static int upd64083_s_routing(struct v4l2_subdev *sd, - u32 input, u32 output, u32 config) -{ - struct upd64083_state *state = to_state(sd); - u8 r00, r02; - - if (input > 7 || (input & 6) == 6) - return -EINVAL; - state->mode = (input & 3) << 6; - state->ext_y_adc = (input & UPD64083_EXT_Y_ADC) << 3; - r00 = (state->regs[R00] & ~(3 << 6)) | state->mode; - r02 = (state->regs[R02] & ~(1 << 5)) | state->ext_y_adc; - upd64083_write(sd, R00, r00); - upd64083_write(sd, R02, r02); - return 0; -} - -#ifdef CONFIG_VIDEO_ADV_DEBUG -static int upd64083_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, ®->match)) - return -EINVAL; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - reg->val = upd64083_read(sd, reg->reg & 0xff); - reg->size = 1; - return 0; -} - -static int upd64083_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, ®->match)) - return -EINVAL; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - upd64083_write(sd, reg->reg & 0xff, reg->val & 0xff); - return 0; -} -#endif - -static int upd64083_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_UPD64083, 0); -} - -static int upd64083_log_status(struct v4l2_subdev *sd) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - u8 buf[7]; - - i2c_master_recv(client, buf, 7); - v4l2_info(sd, "Status: SA00=%02x SA01=%02x SA02=%02x SA03=%02x " - "SA04=%02x SA05=%02x SA06=%02x\n", - buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static const struct v4l2_subdev_core_ops upd64083_core_ops = { - .log_status = upd64083_log_status, - .g_chip_ident = upd64083_g_chip_ident, -#ifdef CONFIG_VIDEO_ADV_DEBUG - .g_register = upd64083_g_register, - .s_register = upd64083_s_register, -#endif -}; - -static const struct v4l2_subdev_video_ops upd64083_video_ops = { - .s_routing = upd64083_s_routing, -}; - -static const struct v4l2_subdev_ops upd64083_ops = { - .core = &upd64083_core_ops, - .video = &upd64083_video_ops, -}; - -/* ------------------------------------------------------------------------ */ - -/* i2c implementation */ - -static int upd64083_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct upd64083_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 upd64083_state), GFP_KERNEL); - if (state == NULL) - return -ENOMEM; - sd = &state->sd; - v4l2_i2c_subdev_init(sd, client, &upd64083_ops); - /* Initially assume that a ghost reduction chip is present */ - state->mode = 0; /* YCS mode */ - state->ext_y_adc = (1 << 5); - memcpy(state->regs, upd64083_init, TOT_REGS); - for (i = 0; i < TOT_REGS; i++) - upd64083_write(sd, i, state->regs[i]); - return 0; -} - -static int upd64083_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 upd64083_id[] = { - { "upd64083", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, upd64083_id); - -static struct i2c_driver upd64083_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "upd64083", - }, - .probe = upd64083_probe, - .remove = upd64083_remove, - .id_table = upd64083_id, -}; - -module_i2c_driver(upd64083_driver); |
