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path: root/drivers/media/tdmb/tcc3170/src/tcpal_linux/tcpal_io_i2c.c
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Diffstat (limited to 'drivers/media/tdmb/tcc3170/src/tcpal_linux/tcpal_io_i2c.c')
-rw-r--r--drivers/media/tdmb/tcc3170/src/tcpal_linux/tcpal_io_i2c.c309
1 files changed, 0 insertions, 309 deletions
diff --git a/drivers/media/tdmb/tcc3170/src/tcpal_linux/tcpal_io_i2c.c b/drivers/media/tdmb/tcc3170/src/tcpal_linux/tcpal_io_i2c.c
deleted file mode 100644
index 679c157..0000000
--- a/drivers/media/tdmb/tcc3170/src/tcpal_linux/tcpal_io_i2c.c
+++ /dev/null
@@ -1,309 +0,0 @@
-/*
- * tcpal_io_i2c.c
- *
- * Author: <linux@telechips.com>
- * Description: Telechips broadcast driver
- *
- * Copyright (c) Telechips, Inc.
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "tcpal_os.h"
-#include "tcpal_debug.h"
-
-#include "tcbd_feature.h"
-#include "tcbd_api_common.h"
-#include "tcbd_drv_io.h"
-
-#include <linux/module.h>
-#include <linux/semaphore.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <linux/i2c.h>
-
-#include <linux/io.h>
-#include <asm/mach-types.h>
-
-#define MAX_I2C_BURST 512
-#define Bit7 0x00000080
-
-#define I2C_BUS 1
-#define I2C_ADDR (0xA0>>1)
-
-#if defined(__I2C_STS__)
-
-static u8 static_buffer_i2c[MAX_I2C_BURST+4];
-static struct i2c_client *tcpal_i2c_client;
-
-static const struct i2c_device_id tcpal_i2c_id[] = {
- {"tc317x", 0},
-};
-
-static s32 tcpal_i2c_probe(
- struct i2c_client *i2c, const struct i2c_device_id *id)
-{
- s32 ret = 0;
- tcpal_i2c_client = i2c;
- tcbd_debug(DEBUG_TCPAL_I2C, "tcpal_i2c_client : %p\n", i2c);
- return ret;
-}
-
-static s32 tcpal_i2c_remove(struct i2c_client *client)
-{
- tcbd_debug(DEBUG_TCPAL_I2C, "tcpal_i2c_client : %p\n", client);
- return 0;
-}
-
-MODULE_DEVICE_TABLE(i2c, tcpal_i2c_id);
-
-static struct i2c_driver tcpal_i2c_driver = {
- .driver = {
- .name = "tc317x",
- .owner = THIS_MODULE,
- },
- .probe = tcpal_i2c_probe,
- .remove = tcpal_i2c_remove,
- .id_table = tcpal_i2c_id,
-};
-
-static s32 tcpal_i2c_add_device(void)
-{
- s32 ret;
- struct i2c_board_info info;
- struct i2c_adapter *adapter;
- struct i2c_client *client;
-
- ret = i2c_add_driver(&tcpal_i2c_driver);
- if (ret < 0) {
- tcbd_debug(DEBUG_TCPAL_I2C, "can't add i2c driver\n");
- return ret;
- }
-
- memset(&info, 0, sizeof(struct i2c_board_info));
- info.addr = I2C_ADDR;
- strlcpy(info.type, "tc317x", I2C_NAME_SIZE);
-
- adapter = i2c_get_adapter(I2C_BUS);
- if (!adapter) {
- tcbd_debug(DEBUG_TCPAL_I2C,
- "can't get i2c adapter :%d\n", I2C_BUS);
- goto err_driver;
- }
-
- client = i2c_new_device(adapter, &info);
- i2c_put_adapter(adapter);
- if (!client) {
- tcbd_debug(DEBUG_TCPAL_I2C,
- "can't add i2c device at 0x%X\n", info.addr);
- goto err_driver;
- }
-
- return 0;
-
-err_driver:
- i2c_del_driver(&tcpal_i2c_driver);
- return -ENODEV;
-}
-
-static s32 tcpal_i2c_close(void)
-{
- i2c_unregister_device(tcpal_i2c_client);
- i2c_del_driver(&tcpal_i2c_driver);
- return 0;
-}
-
-static s32 tcpal_i2c_open(void)
-{
- return tcpal_i2c_add_device();
-}
-
-static s32 tcpal_i2c_reg_read(
- u8 _reg_addr, u8 *_data)
-{
- s32 ret = 0;
-
- if (!tcpal_i2c_client)
- return -TCERR_OS_DRIVER_FAIL;
-
- ret = i2c_master_send(tcpal_i2c_client, &_reg_addr, 1);
- ret |= i2c_master_recv(tcpal_i2c_client, _data, 1);
- if (ret < 0) {
- tcbd_debug(DEBUG_TCPAL_I2C,
- "I2C read error %d\n", ret);
- return -TCERR_OS_DRIVER_FAIL;
- }
- return 0;
-}
-
-static s32 tcpal_i2c_reg_write(u8 _reg_addr, u8 _data)
-{
- s32 ret = 0;
- u8 buf[2];
-
- if (!tcpal_i2c_client)
- return -TCERR_OS_DRIVER_FAIL;
-
- buf[0] = _reg_addr;
- buf[1] = _data;
-
- ret = i2c_master_send(tcpal_i2c_client, buf, 2);
-
- if (ret < 0)
- return -TCERR_OS_DRIVER_FAIL;
-
- return 0;
-}
-
-static inline s32 tcpal_i2c_reg_read_burst(
- u8 _reg_addr, u8 *_data, s32 _size)
-{
- s32 i, ret = 0;
- s32 num_chunk, remain, sent, recvd;
-
- num_chunk = _size / MAX_I2C_BURST;
- remain = _size % MAX_I2C_BURST;
-
- if (!tcpal_i2c_client)
- return -TCERR_OS_DRIVER_FAIL;
-
- for (i = 0; i < num_chunk; i++) {
- sent = i2c_master_send(tcpal_i2c_client, &_reg_addr, 1);
- if (sent < 1) {
- tcbd_debug(DEBUG_TCPAL_I2C,
- "I2C Multi read 8 Addr Error!! %d\n", sent);
- return -TCERR_OS_DRIVER_FAIL;
- }
-
- recvd = i2c_master_recv(
- tcpal_i2c_client,
- &_data[i*MAX_I2C_BURST],
- MAX_I2C_BURST);
- if (recvd < 0) {
- tcbd_debug(DEBUG_TCPAL_I2C,
- "I2C Multi read 8 data Error!! %d\n", recvd);
- return -TCERR_OS_DRIVER_FAIL;
- }
- }
-
- if (remain) {
- sent = i2c_master_send(tcpal_i2c_client, &_reg_addr, 1);
- if (sent < 1) {
- tcbd_debug(DEBUG_TCPAL_I2C,
- "I2C Multi read 8 Addr Error!!, %d\n", sent);
- return -TCERR_OS_DRIVER_FAIL;
- }
- ret = i2c_master_recv(
- tcpal_i2c_client,
- &_data[num_chunk * MAX_I2C_BURST],
- remain);
- if (ret < 0) {
- tcbd_debug(DEBUG_TCPAL_I2C,
- "I2C Multi read 8 data Error!!\n");
- return -TCERR_OS_DRIVER_FAIL;
- }
- }
-
- return 0;
-}
-
-static inline s32 tcpal_i2c_reg_write_burst(
- u8 _reg_addr, u8 *_data, s32 _size)
-{
- s32 ret = 0;
- s32 num_chunk, remain, sent;
- s32 i;
-
- if (!tcpal_i2c_client)
- return -TCERR_OS_DRIVER_FAIL;
-
- num_chunk = _size/MAX_I2C_BURST;
- remain = _size%MAX_I2C_BURST;
-
- static_buffer_i2c[0] = _reg_addr;
- for (i = 0; i < num_chunk; i++) {
- memcpy(&static_buffer_i2c[1], &_data[i*MAX_I2C_BURST],
- MAX_I2C_BURST);
- sent = i2c_master_send(
- tcpal_i2c_client,
- static_buffer_i2c,
- MAX_I2C_BURST+1);
- if (ret < 0 || sent < 1) {
- tcbd_debug(DEBUG_TCPAL_I2C,
- "I2C write error %d\n", ret);
- return -TCERR_OS_DRIVER_FAIL;
- }
- }
-
- if (remain) {
- memcpy(&static_buffer_i2c[1],
- &_data[num_chunk * MAX_I2C_BURST],
- remain);
- ret = i2c_master_send(
- tcpal_i2c_client,
- static_buffer_i2c,
- remain+1);
- if (ret < 1) {
- tcbd_debug(DEBUG_TCPAL_I2C, "I2C write error!\n");
- return -TCERR_OS_DRIVER_FAIL;
- }
- }
-
- return 0;
-}
-
-static s32 tcpal_i2c_reg_read_burst_fix(
- u8 _reg_addr, u8 *_data, s32 _size)
-{
- return tcpal_i2c_reg_read_burst(_reg_addr|Bit7, _data, _size);
-}
-
-static s32 tcpal_i2c_reg_write_burst_fix(
- u8 _reg_addr, u8 *_data, s32 _size)
-{
- return tcpal_i2c_reg_write_burst(_reg_addr|Bit7, _data, _size);
-}
-
-static s32 tcpal_i2c_reg_read_burst_cont(
- u8 _reg_addr, u8 *_data, s32 _size)
-{
- return tcpal_i2c_reg_read_burst(_reg_addr, _data, _size);
-}
-
-static s32 tcpal_i2c_reg_write_burst_cont(
- u8 _reg_addr, u8 *_data, s32 _size)
-{
- return tcpal_i2c_reg_write_burst(_reg_addr, _data, _size);
-}
-
-void tcpal_set_i2c_io_function(void)
-{
- struct tcbd_io_data *tcbd_i2c_io_funcs = tcbd_get_io_struct();
-
- tcbd_i2c_io_funcs->open = tcpal_i2c_open;
- tcbd_i2c_io_funcs->close = tcpal_i2c_close;
- tcbd_i2c_io_funcs->reg_write = tcpal_i2c_reg_write;
- tcbd_i2c_io_funcs->reg_read = tcpal_i2c_reg_read;
- tcbd_i2c_io_funcs->reg_write_burst_cont =
- tcpal_i2c_reg_write_burst_cont;
- tcbd_i2c_io_funcs->reg_read_burst_cont =
- tcpal_i2c_reg_read_burst_cont;
- tcbd_i2c_io_funcs->reg_write_burst_fix =
- tcpal_i2c_reg_write_burst_fix;
- tcbd_i2c_io_funcs->reg_read_burst_fix =
- tcpal_i2c_reg_read_burst_fix;
-}
-
-#endif /*__I2C_STS__ */
generated by cgit v1.1 at 2024-05-25 23:06:33 +0000