From cb7a01ac324bf2ee2c666f37ac867e4135f9785a Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 14 Aug 2012 16:23:43 -0300 Subject: [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 --- drivers/media/video/cs53l32a.c | 251 ----------------------------------------- 1 file changed, 251 deletions(-) delete mode 100644 drivers/media/video/cs53l32a.c (limited to 'drivers/media/video/cs53l32a.c') diff --git a/drivers/media/video/cs53l32a.c b/drivers/media/video/cs53l32a.c deleted file mode 100644 index b293912206eb..000000000000 --- a/drivers/media/video/cs53l32a.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * cs53l32a (Adaptec AVC-2010 and AVC-2410) i2c ivtv driver. - * Copyright (C) 2005 Martin Vaughan - * - * Audio source switching for Adaptec AVC-2410 added by Trev Jackson - * - * 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 -#include -#include -#include -#include -#include -#include -#include -#include -#include - -MODULE_DESCRIPTION("i2c device driver for cs53l32a Audio ADC"); -MODULE_AUTHOR("Martin Vaughan"); -MODULE_LICENSE("GPL"); - -static bool debug; - -module_param(debug, bool, 0644); - -MODULE_PARM_DESC(debug, "Debugging messages, 0=Off (default), 1=On"); - - -struct cs53l32a_state { - struct v4l2_subdev sd; - struct v4l2_ctrl_handler hdl; -}; - -static inline struct cs53l32a_state *to_state(struct v4l2_subdev *sd) -{ - return container_of(sd, struct cs53l32a_state, sd); -} - -static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) -{ - return &container_of(ctrl->handler, struct cs53l32a_state, hdl)->sd; -} - -/* ----------------------------------------------------------------------- */ - -static int cs53l32a_write(struct v4l2_subdev *sd, u8 reg, u8 value) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - return i2c_smbus_write_byte_data(client, reg, value); -} - -static int cs53l32a_read(struct v4l2_subdev *sd, u8 reg) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - return i2c_smbus_read_byte_data(client, reg); -} - -static int cs53l32a_s_routing(struct v4l2_subdev *sd, - u32 input, u32 output, u32 config) -{ - /* There are 2 physical inputs, but the second input can be - placed in two modes, the first mode bypasses the PGA (gain), - the second goes through the PGA. Hence there are three - possible inputs to choose from. */ - if (input > 2) { - v4l2_err(sd, "Invalid input %d.\n", input); - return -EINVAL; - } - cs53l32a_write(sd, 0x01, 0x01 + (input << 4)); - return 0; -} - -static int cs53l32a_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct v4l2_subdev *sd = to_sd(ctrl); - - switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - cs53l32a_write(sd, 0x03, ctrl->val ? 0xf0 : 0x30); - return 0; - case V4L2_CID_AUDIO_VOLUME: - cs53l32a_write(sd, 0x04, (u8)ctrl->val); - cs53l32a_write(sd, 0x05, (u8)ctrl->val); - return 0; - } - return -EINVAL; -} - -static int cs53l32a_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_CS53l32A, 0); -} - -static int cs53l32a_log_status(struct v4l2_subdev *sd) -{ - struct cs53l32a_state *state = to_state(sd); - u8 v = cs53l32a_read(sd, 0x01); - - v4l2_info(sd, "Input: %d\n", (v >> 4) & 3); - v4l2_ctrl_handler_log_status(&state->hdl, sd->name); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static const struct v4l2_ctrl_ops cs53l32a_ctrl_ops = { - .s_ctrl = cs53l32a_s_ctrl, -}; - -static const struct v4l2_subdev_core_ops cs53l32a_core_ops = { - .log_status = cs53l32a_log_status, - .g_chip_ident = cs53l32a_g_chip_ident, - .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, - .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, - .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, - .g_ctrl = v4l2_subdev_g_ctrl, - .s_ctrl = v4l2_subdev_s_ctrl, - .queryctrl = v4l2_subdev_queryctrl, - .querymenu = v4l2_subdev_querymenu, -}; - -static const struct v4l2_subdev_audio_ops cs53l32a_audio_ops = { - .s_routing = cs53l32a_s_routing, -}; - -static const struct v4l2_subdev_ops cs53l32a_ops = { - .core = &cs53l32a_core_ops, - .audio = &cs53l32a_audio_ops, -}; - -/* ----------------------------------------------------------------------- */ - -/* i2c implementation */ - -/* - * Generic i2c probe - * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' - */ - -static int cs53l32a_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct cs53l32a_state *state; - struct v4l2_subdev *sd; - int i; - - /* Check if the adapter supports the needed features */ - if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return -EIO; - - if (!id) - strlcpy(client->name, "cs53l32a", sizeof(client->name)); - - v4l_info(client, "chip found @ 0x%x (%s)\n", - client->addr << 1, client->adapter->name); - - state = kzalloc(sizeof(struct cs53l32a_state), GFP_KERNEL); - if (state == NULL) - return -ENOMEM; - sd = &state->sd; - v4l2_i2c_subdev_init(sd, client, &cs53l32a_ops); - - for (i = 1; i <= 7; i++) { - u8 v = cs53l32a_read(sd, i); - - v4l2_dbg(1, debug, sd, "Read Reg %d %02x\n", i, v); - } - - v4l2_ctrl_handler_init(&state->hdl, 2); - v4l2_ctrl_new_std(&state->hdl, &cs53l32a_ctrl_ops, - V4L2_CID_AUDIO_VOLUME, -96, 12, 1, 0); - v4l2_ctrl_new_std(&state->hdl, &cs53l32a_ctrl_ops, - V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); - sd->ctrl_handler = &state->hdl; - if (state->hdl.error) { - int err = state->hdl.error; - - v4l2_ctrl_handler_free(&state->hdl); - kfree(state); - return err; - } - - /* Set cs53l32a internal register for Adaptec 2010/2410 setup */ - - cs53l32a_write(sd, 0x01, 0x21); - cs53l32a_write(sd, 0x02, 0x29); - cs53l32a_write(sd, 0x03, 0x30); - cs53l32a_write(sd, 0x04, 0x00); - cs53l32a_write(sd, 0x05, 0x00); - cs53l32a_write(sd, 0x06, 0x00); - cs53l32a_write(sd, 0x07, 0x00); - - /* Display results, should be 0x21,0x29,0x30,0x00,0x00,0x00,0x00 */ - - for (i = 1; i <= 7; i++) { - u8 v = cs53l32a_read(sd, i); - - v4l2_dbg(1, debug, sd, "Read Reg %d %02x\n", i, v); - } - return 0; -} - -static int cs53l32a_remove(struct i2c_client *client) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct cs53l32a_state *state = to_state(sd); - - v4l2_device_unregister_subdev(sd); - v4l2_ctrl_handler_free(&state->hdl); - kfree(state); - return 0; -} - -static const struct i2c_device_id cs53l32a_id[] = { - { "cs53l32a", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, cs53l32a_id); - -static struct i2c_driver cs53l32a_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "cs53l32a", - }, - .probe = cs53l32a_probe, - .remove = cs53l32a_remove, - .id_table = cs53l32a_id, -}; - -module_i2c_driver(cs53l32a_driver); -- cgit v1.2.3