diff options
Diffstat (limited to 'drivers/media/video/upd64083.c')
| -rw-r--r-- | drivers/media/video/upd64083.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/drivers/media/video/upd64083.c b/drivers/media/video/upd64083.c deleted file mode 100644 index 9521ce004dc..00000000000 --- a/drivers/media/video/upd64083.c +++ /dev/null @@ -1,221 +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/version.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/i2c.h> -#include <linux/videodev2.h> -#include <media/v4l2-common.h> -#include <media/v4l2-chip-ident.h> -#include <media/v4l2-i2c-drv.h> -#include <media/upd64083.h> - -MODULE_DESCRIPTION("uPD64083 driver"); -MODULE_AUTHOR("T. Adachi, Takeru KOMORIYA, Hans Verkuil"); -MODULE_LICENSE("GPL"); - -static int 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 { - u8 mode; - u8 ext_y_adc; - u8 regs[TOT_REGS]; -}; - -/* 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_log_status(struct i2c_client *client) -{ - u8 buf[7]; - - i2c_master_recv(client, buf, 7); - v4l_info(client, "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]); -} - -/* ------------------------------------------------------------------------ */ - -static void upd64083_write(struct i2c_client *client, u8 reg, u8 val) -{ - u8 buf[2]; - - buf[0] = reg; - buf[1] = val; - v4l_dbg(1, debug, client, "write reg: %02x val: %02x\n", reg, val); - if (i2c_master_send(client, buf, 2) != 2) - v4l_err(client, "I/O error write 0x%02x/0x%02x\n", reg, val); -} - -/* ------------------------------------------------------------------------ */ - -#ifdef CONFIG_VIDEO_ADV_DEBUG -static u8 upd64083_read(struct i2c_client *client, u8 reg) -{ - u8 buf[7]; - - if (reg >= sizeof(buf)) - return 0xff; - i2c_master_recv(client, buf, sizeof(buf)); - return buf[reg]; -} -#endif - -/* ------------------------------------------------------------------------ */ - -static int upd64083_command(struct i2c_client *client, unsigned cmd, void *arg) -{ - struct upd64083_state *state = i2c_get_clientdata(client); - struct v4l2_routing *route = arg; - - switch (cmd) { - case VIDIOC_INT_G_VIDEO_ROUTING: - route->input = (state->mode >> 6) | (state->ext_y_adc >> 3); - route->output = 0; - break; - - case VIDIOC_INT_S_VIDEO_ROUTING: - { - u8 r00, r02; - - if (route->input > 7 || (route->input & 6) == 6) - return -EINVAL; - state->mode = (route->input & 3) << 6; - state->ext_y_adc = (route->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(client, R00, r00); - upd64083_write(client, R02, r02); - break; - } - - case VIDIOC_LOG_STATUS: - upd64083_log_status(client); - break; - -#ifdef CONFIG_VIDEO_ADV_DEBUG - case VIDIOC_DBG_G_REGISTER: - case VIDIOC_DBG_S_REGISTER: - { - struct v4l2_register *reg = arg; - - if (!v4l2_chip_match_i2c_client(client, - reg->match_type, reg->match_chip)) - return -EINVAL; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - if (cmd == VIDIOC_DBG_G_REGISTER) { - reg->val = upd64083_read(client, reg->reg & 0xff); - break; - } - upd64083_write(client, reg->reg & 0xff, reg->val & 0xff); - break; - } -#endif - - case VIDIOC_G_CHIP_IDENT: - return v4l2_chip_ident_i2c_client(client, arg, - V4L2_IDENT_UPD64083, 0); - - default: - break; - } - - return 0; -} - -/* ------------------------------------------------------------------------ */ - -/* i2c implementation */ - -static int upd64083_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct upd64083_state *state; - 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 = kmalloc(sizeof(struct upd64083_state), GFP_KERNEL); - if (state == NULL) - return -ENOMEM; - i2c_set_clientdata(client, state); - /* 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(client, i, state->regs[i]); - return 0; -} - -static int upd64083_remove(struct i2c_client *client) -{ - kfree(i2c_get_clientdata(client)); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static const struct i2c_device_id upd64083_id[] = { - { "upd64083", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, upd64083_id); - -static struct v4l2_i2c_driver_data v4l2_i2c_data = { - .name = "upd64083", - .driverid = I2C_DRIVERID_UPD64083, - .command = upd64083_command, - .probe = upd64083_probe, - .remove = upd64083_remove, - .id_table = upd64083_id, -}; |