diff options
Diffstat (limited to 'drivers/media/video/upd64031a.c')
| -rw-r--r-- | drivers/media/video/upd64031a.c | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/drivers/media/video/upd64031a.c b/drivers/media/video/upd64031a.c deleted file mode 100644 index fc52201d607..00000000000 --- a/drivers/media/video/upd64031a.c +++ /dev/null @@ -1,286 +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/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/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 = 0; -module_param(debug, int, 0644); - -MODULE_PARM_DESC(debug, "Debug level (0-1)"); - -static unsigned short normal_i2c[] = { 0x24 >> 1, 0x26 >> 1, I2C_CLIENT_END }; - - -I2C_CLIENT_INSMOD; - -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 { - u8 regs[TOT_REGS]; - u8 gr_mode; - u8 direct_3dycs_connect; - u8 ext_comp_sync; - u8 ext_vert_sync; -}; - -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 i2c_client *client, u8 reg) -{ - u8 buf[2]; - - if (reg >= sizeof(buf)) - return 0xff; - i2c_master_recv(client, buf, 2); - return buf[reg]; -} - -/* ------------------------------------------------------------------------ */ - -static void upd64031a_write(struct i2c_client *client, u8 reg, u8 val) -{ - u8 buf[2]; - - buf[0] = reg; - buf[1] = val; - v4l_dbg(1, debug, client, "writing reg addr: %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); -} - -/* ------------------------------------------------------------------------ */ - -/* The input changed due to new input or channel changed */ -static void upd64031a_change(struct i2c_client *client) -{ - struct upd64031a_state *state = i2c_get_clientdata(client); - u8 reg = state->regs[R00]; - - v4l_dbg(1, debug, client, "changed input or channel\n"); - upd64031a_write(client, R00, reg | 0x10); - upd64031a_write(client, R00, reg & ~0x10); -} - -/* ------------------------------------------------------------------------ */ - -static int upd64031a_command(struct i2c_client *client, unsigned int cmd, void *arg) -{ - struct upd64031a_state *state = i2c_get_clientdata(client); - struct v4l2_routing *route = arg; - - switch (cmd) { - case VIDIOC_S_FREQUENCY: - upd64031a_change(client); - break; - - case VIDIOC_INT_G_VIDEO_ROUTING: - route->input = (state->gr_mode >> 6) | - (state->direct_3dycs_connect >> 4) | - (state->ext_comp_sync >> 1) | - (state->ext_vert_sync >> 2); - route->output = 0; - break; - - case VIDIOC_INT_S_VIDEO_ROUTING: - { - u8 r00, r05, r08; - - state->gr_mode = (route->input & 3) << 6; - state->direct_3dycs_connect = (route->input & 0xc) << 4; - state->ext_comp_sync = (route->input & UPD64031A_COMPOSITE_EXTERNAL) << 1; - state->ext_vert_sync = (route->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(client, R00, r00); - upd64031a_write(client, R05, r05); - upd64031a_write(client, R08, r08); - upd64031a_change(client); - break; - } - - case VIDIOC_LOG_STATUS: - v4l_info(client, "Status: SA00=0x%02x SA01=0x%02x\n", - upd64031a_read(client, 0), upd64031a_read(client, 1)); - break; - -#ifdef CONFIG_VIDEO_ADV_DEBUG - case VIDIOC_INT_G_REGISTER: - { - struct v4l2_register *reg = arg; - - if (reg->i2c_id != I2C_DRIVERID_UPD64031A) - return -EINVAL; - reg->val = upd64031a_read(client, reg->reg & 0xff); - break; - } - - case VIDIOC_INT_S_REGISTER: - { - struct v4l2_register *reg = arg; - u8 addr = reg->reg & 0xff; - u8 val = reg->val & 0xff; - - if (reg->i2c_id != I2C_DRIVERID_UPD64031A) - return -EINVAL; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - upd64031a_write(client, addr, val); - break; - } -#endif - - default: - break; - } - return 0; -} - -/* ------------------------------------------------------------------------ */ - -/* i2c implementation */ - -static struct i2c_driver i2c_driver; - -static int upd64031a_attach(struct i2c_adapter *adapter, int address, int kind) -{ - struct i2c_client *client; - struct upd64031a_state *state; - int i; - - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return 0; - - client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) { - return -ENOMEM; - } - - client->addr = address; - client->adapter = adapter; - client->driver = &i2c_driver; - snprintf(client->name, sizeof(client->name) - 1, "uPD64031A"); - - v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name); - - state = kmalloc(sizeof(struct upd64031a_state), GFP_KERNEL); - if (state == NULL) { - kfree(client); - return -ENOMEM; - } - i2c_set_clientdata(client, state); - 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(client, i, state->regs[i]); - } - - i2c_attach_client(client); - - return 0; -} - -static int upd64031a_probe(struct i2c_adapter *adapter) -{ - if (adapter->class & I2C_CLASS_TV_ANALOG) - return i2c_probe(adapter, &addr_data, upd64031a_attach); - return 0; -} - -static int upd64031a_detach(struct i2c_client *client) -{ - int err; - - err = i2c_detach_client(client); - if (err) - return err; - - kfree(client); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -/* i2c implementation */ -static struct i2c_driver i2c_driver = { - .driver = { - .name = "upd64031a", - }, - .id = I2C_DRIVERID_UPD64031A, - .attach_adapter = upd64031a_probe, - .detach_client = upd64031a_detach, - .command = upd64031a_command, -}; - - -static int __init upd64031a_init_module(void) -{ - return i2c_add_driver(&i2c_driver); -} - -static void __exit upd64031a_exit_module(void) -{ - i2c_del_driver(&i2c_driver); -} - -module_init(upd64031a_init_module); -module_exit(upd64031a_exit_module); |