Lines Matching +full:scl +full:- +full:output +full:- +full:only

1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright © 2006-2007 Intel Corporation
11 #include <linux/i2c-algo-bit.h>
26 	struct drm_device *dev = chan->drm_dev;  in get_clock()
29 	val = REG_READ(chan->reg);  in get_clock()
36 	struct drm_device *dev = chan->drm_dev;  in get_data()
39 	val = REG_READ(chan->reg);  in get_data()
46 	struct drm_device *dev = chan->drm_dev;  in set_clock()
51 		    REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |  in set_clock()
59 	REG_WRITE(chan->reg, reserved | clock_bits);  in set_clock()
66 	struct drm_device *dev = chan->drm_dev;  in set_data()
71 		    REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |  in set_data()
81 	REG_WRITE(chan->reg, reserved | data_bits);  in set_data()
86  * gma_i2c_create - instantiate an Intel i2c bus using the specified GPIO reg
92  * in output probing and control (e.g. DDC or SDVO control functions).
114 	chan->drm_dev = dev;  in gma_i2c_create()
115 	chan->reg = reg;  in gma_i2c_create()
116 	snprintf(chan->base.name, I2C_NAME_SIZE, "intel drm %s", name);  in gma_i2c_create()
117 	chan->base.owner = THIS_MODULE;  in gma_i2c_create()
118 	chan->base.algo_data = &chan->algo;  in gma_i2c_create()
119 	chan->base.dev.parent = dev->dev;  in gma_i2c_create()
120 	chan->algo.setsda = set_data;  in gma_i2c_create()
121 	chan->algo.setscl = set_clock;  in gma_i2c_create()
122 	chan->algo.getsda = get_data;  in gma_i2c_create()
123 	chan->algo.getscl = get_clock;  in gma_i2c_create()
124 	chan->algo.udelay = 20;  in gma_i2c_create()
125 	chan->algo.timeout = usecs_to_jiffies(2200);  in gma_i2c_create()
126 	chan->algo.data = chan;  in gma_i2c_create()
128 	i2c_set_adapdata(&chan->base, chan);  in gma_i2c_create()
130 	if (i2c_bit_add_bus(&chan->base))  in gma_i2c_create()
133 	/* JJJ:  raise SCL and SDA? */  in gma_i2c_create()
146  * gma_i2c_destroy - unregister and free i2c bus resources
156 	i2c_del_adapter(&chan->base);  in gma_i2c_destroy()