Lines Matching defs:i2c
30 #include <linux/i2c-algo-bit.h>
31 #include <linux/i2c.h>
63 struct mga_i2c_chan *i2c = data;
64 struct mga_device *mdev = to_mga_device(i2c->dev);
65 mga_i2c_set(mdev, i2c->data, state);
70 struct mga_i2c_chan *i2c = data;
71 struct mga_device *mdev = to_mga_device(i2c->dev);
72 mga_i2c_set(mdev, i2c->clock, state);
77 struct mga_i2c_chan *i2c = data;
78 struct mga_device *mdev = to_mga_device(i2c->dev);
79 return (mga_i2c_read_gpio(mdev) & i2c->data) ? 1 : 0;
84 struct mga_i2c_chan *i2c = data;
85 struct mga_device *mdev = to_mga_device(i2c->dev);
86 return (mga_i2c_read_gpio(mdev) & i2c->clock) ? 1 : 0;
92 struct mga_i2c_chan *i2c;
121 i2c = kzalloc(sizeof(struct mga_i2c_chan), GFP_KERNEL);
122 if (!i2c)
125 i2c->data = data;
126 i2c->clock = clock;
127 i2c->adapter.owner = THIS_MODULE;
128 i2c->adapter.class = I2C_CLASS_DDC;
129 i2c->adapter.dev.parent = &dev->pdev->dev;
130 i2c->dev = dev;
131 i2c_set_adapdata(&i2c->adapter, i2c);
132 snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), "mga i2c");
134 i2c->adapter.algo_data = &i2c->bit;
136 i2c->bit.udelay = 10;
137 i2c->bit.timeout = 2;
138 i2c->bit.data = i2c;
139 i2c->bit.setsda = mga_gpio_setsda;
140 i2c->bit.setscl = mga_gpio_setscl;
141 i2c->bit.getsda = mga_gpio_getsda;
142 i2c->bit.getscl = mga_gpio_getscl;
144 ret = i2c_bit_add_bus(&i2c->adapter);
146 kfree(i2c);
147 i2c = NULL;
149 return i2c;
152 void mgag200_i2c_destroy(struct mga_i2c_chan *i2c)
154 if (!i2c)
156 i2c_del_adapter(&i2c->adapter);
157 kfree(i2c);