diff options
Diffstat (limited to 'drivers/media/video/upd64031a.c')
| -rw-r--r-- | drivers/media/video/upd64031a.c | 274 |
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 1e744654209..00000000000 --- 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, ®->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, ®->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); |