Signed-off-by: Ricardo Ribalda Delgado ricardo.ribalda@uam.es --- drivers/i2c/Makefile | 1 + drivers/i2c/dummy_i2c.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 85 insertions(+), 0 deletions(-) create mode 100644 drivers/i2c/dummy_i2c.c
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index 534c015..322c822 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -30,6 +30,7 @@ COBJS-y += omap1510_i2c.o COBJS-y += omap24xx_i2c.o COBJS-y += tsi108_i2c.o COBJS-y += mxc_i2c.o +COBJS-y += dummy_i2c.o
COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/i2c/dummy_i2c.c b/drivers/i2c/dummy_i2c.c new file mode 100644 index 0000000..04f6edb --- /dev/null +++ b/drivers/i2c/dummy_i2c.c @@ -0,0 +1,84 @@ +/* + (C) Copyright 2008 + Ricado Ribalda, Universidad Autonoma de Madrid, ricardo.ribalda<at>uam.es , ricardo.ribalda<at>gmail.com + This work has been supported by: Q-Technology http://qtec.com/ + + 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 3 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, see http://www.gnu.org/licenses/. +*/ + +#include <common.h> + +#if defined(CONFIG_DUMMY_I2C) + + +#include <i2c.h> +u8 i2c_dummy_buffer[256]={0x80,0x8,0x8,0x0D,0x0A,0x60,0x40,0x0,0x5,0x3D,0x50,0x0,0x82,0x10,0x0,0x0,0x0C,0x4,0x18,0x1,0x4,0x0,0x1,0x50,0x50,0x0,0x0,0x3C,0x28,0x3C,0x2D,0x40,0x25,0x37,0x10,0x22,0x3C,0x1E,0x1E,0x0,0x0,0x3C,0x69,0x80,0x1E,0x28,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x12,0xC9,0x2C,'0','0','0','0','0','0','0',0x0,'4','H','T','F','3','2','6','4','H','Y','-','5','3','E','D','3',0x3,0x0,0x0,0x0,0x0}; + + + +void i2c_init(int speed, int slaveaddr){ + return ; +} + + + +int +i2c_read(uchar chip, uint addr, int alen, uchar * buffer, int len) +{ + int i; + if (alen!=1) + return -1; + + if (addr+len>0xff) + return -1; + + for(i=0;i<len;i++){ + buffer[i]=i2c_dummy_buffer[i+addr]; + } + + return 0; + + +} + + +int +i2c_write(uchar chip, uint addr, int alen, uchar * buffer, int len) +{ + int i; + if (alen!=1) + return -1; + if (addr+len>0xff) + return -1; + + for(i=0;i<len;i++){ + i2c_dummy_buffer[i+addr]=buffer[i]; + } + + return 0; +} + + +int +i2c_probe(uchar chip) +{ + return 0; +} + + + + + +#endif +