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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/media/radio/tef6862.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/media/radio/tef6862.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/media/radio/tef6862.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/ANDROID_3.4.5/drivers/media/radio/tef6862.c b/ANDROID_3.4.5/drivers/media/radio/tef6862.c deleted file mode 100644 index 6418c4c9..00000000 --- a/ANDROID_3.4.5/drivers/media/radio/tef6862.c +++ /dev/null @@ -1,222 +0,0 @@ -/* - * tef6862.c Philips TEF6862 Car Radio Enhanced Selectivity Tuner - * Copyright (c) 2009 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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/init.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/i2c.h> -#include <linux/slab.h> -#include <media/v4l2-ioctl.h> -#include <media/v4l2-device.h> -#include <media/v4l2-chip-ident.h> - -#define DRIVER_NAME "tef6862" - -#define FREQ_MUL 16000 - -#define TEF6862_LO_FREQ (875 * FREQ_MUL / 10) -#define TEF6862_HI_FREQ (108 * FREQ_MUL) - -/* Write mode sub addresses */ -#define WM_SUB_BANDWIDTH 0x0 -#define WM_SUB_PLLM 0x1 -#define WM_SUB_PLLL 0x2 -#define WM_SUB_DAA 0x3 -#define WM_SUB_AGC 0x4 -#define WM_SUB_BAND 0x5 -#define WM_SUB_CONTROL 0x6 -#define WM_SUB_LEVEL 0x7 -#define WM_SUB_IFCF 0x8 -#define WM_SUB_IFCAP 0x9 -#define WM_SUB_ACD 0xA -#define WM_SUB_TEST 0xF - -/* Different modes of the MSA register */ -#define MODE_BUFFER 0x0 -#define MODE_PRESET 0x1 -#define MODE_SEARCH 0x2 -#define MODE_AF_UPDATE 0x3 -#define MODE_JUMP 0x4 -#define MODE_CHECK 0x5 -#define MODE_LOAD 0x6 -#define MODE_END 0x7 -#define MODE_SHIFT 5 - -struct tef6862_state { - struct v4l2_subdev sd; - unsigned long freq; -}; - -static inline struct tef6862_state *to_state(struct v4l2_subdev *sd) -{ - return container_of(sd, struct tef6862_state, sd); -} - -static u16 tef6862_sigstr(struct i2c_client *client) -{ - u8 buf[4]; - int err = i2c_master_recv(client, buf, sizeof(buf)); - if (err == sizeof(buf)) - return buf[3] << 8; - return 0; -} - -static int tef6862_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *v) -{ - if (v->index > 0) - return -EINVAL; - - /* only support FM for now */ - strlcpy(v->name, "FM", sizeof(v->name)); - v->type = V4L2_TUNER_RADIO; - v->rangelow = TEF6862_LO_FREQ; - v->rangehigh = TEF6862_HI_FREQ; - v->rxsubchans = V4L2_TUNER_SUB_MONO; - v->capability = V4L2_TUNER_CAP_LOW; - v->audmode = V4L2_TUNER_MODE_STEREO; - v->signal = tef6862_sigstr(v4l2_get_subdevdata(sd)); - - return 0; -} - -static int tef6862_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *v) -{ - return v->index ? -EINVAL : 0; -} - -static int tef6862_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) -{ - struct tef6862_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - u16 pll; - u8 i2cmsg[3]; - int err; - - if (f->tuner != 0) - return -EINVAL; - - pll = 1964 + ((f->frequency - TEF6862_LO_FREQ) * 20) / FREQ_MUL; - i2cmsg[0] = (MODE_PRESET << MODE_SHIFT) | WM_SUB_PLLM; - i2cmsg[1] = (pll >> 8) & 0xff; - i2cmsg[2] = pll & 0xff; - - err = i2c_master_send(client, i2cmsg, sizeof(i2cmsg)); - if (err != sizeof(i2cmsg)) - return err < 0 ? err : -EIO; - - state->freq = f->frequency; - return 0; -} - -static int tef6862_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) -{ - struct tef6862_state *state = to_state(sd); - - if (f->tuner != 0) - return -EINVAL; - f->type = V4L2_TUNER_RADIO; - f->frequency = state->freq; - return 0; -} - -static int tef6862_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_TEF6862, 0); -} - -static const struct v4l2_subdev_tuner_ops tef6862_tuner_ops = { - .g_tuner = tef6862_g_tuner, - .s_tuner = tef6862_s_tuner, - .s_frequency = tef6862_s_frequency, - .g_frequency = tef6862_g_frequency, -}; - -static const struct v4l2_subdev_core_ops tef6862_core_ops = { - .g_chip_ident = tef6862_g_chip_ident, -}; - -static const struct v4l2_subdev_ops tef6862_ops = { - .core = &tef6862_core_ops, - .tuner = &tef6862_tuner_ops, -}; - -/* - * Generic i2c probe - * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' - */ - -static int __devinit tef6862_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct tef6862_state *state; - struct v4l2_subdev *sd; - - /* Check if the adapter supports the needed features */ - if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return -EIO; - - v4l_info(client, "chip found @ 0x%02x (%s)\n", - client->addr << 1, client->adapter->name); - - state = kzalloc(sizeof(struct tef6862_state), GFP_KERNEL); - if (state == NULL) - return -ENOMEM; - state->freq = TEF6862_LO_FREQ; - - sd = &state->sd; - v4l2_i2c_subdev_init(sd, client, &tef6862_ops); - - return 0; -} - -static int __devexit tef6862_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 tef6862_id[] = { - {DRIVER_NAME, 0}, - {}, -}; - -MODULE_DEVICE_TABLE(i2c, tef6862_id); - -static struct i2c_driver tef6862_driver = { - .driver = { - .owner = THIS_MODULE, - .name = DRIVER_NAME, - }, - .probe = tef6862_probe, - .remove = tef6862_remove, - .id_table = tef6862_id, -}; - -module_i2c_driver(tef6862_driver); - -MODULE_DESCRIPTION("TEF6862 Car Radio Enhanced Selectivity Tuner"); -MODULE_AUTHOR("Mocean Laboratories"); -MODULE_LICENSE("GPL v2"); |