14  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
30 #include <linux/i2c-algo-bit.h>
31 #include <linux/i2c.h>
76 	struct mgag200_ddc *ddc = data;  in mgag200_ddc_algo_bit_data_setsda()  local
78 	mga_i2c_set(ddc->mdev, ddc->data, state);  in mgag200_ddc_algo_bit_data_setsda()
83 	struct mgag200_ddc *ddc = data;  in mgag200_ddc_algo_bit_data_setscl()  local
85 	mga_i2c_set(ddc->mdev, ddc->clock, state);  in mgag200_ddc_algo_bit_data_setscl()
90 	struct mgag200_ddc *ddc = data;  in mgag200_ddc_algo_bit_data_getsda()  local
92 	return (mga_i2c_read_gpio(ddc->mdev) & ddc->data) ? 1 : 0;  in mgag200_ddc_algo_bit_data_getsda()
97 	struct mgag200_ddc *ddc = data;  in mgag200_ddc_algo_bit_data_getscl()  local
99 	return (mga_i2c_read_gpio(ddc->mdev) & ddc->clock) ? 1 : 0;  in mgag200_ddc_algo_bit_data_getscl()
104 	struct mgag200_ddc *ddc = i2c_get_adapdata(adapter);  in mgag200_ddc_algo_bit_data_pre_xfer()  local
105 	struct mga_device *mdev = ddc->mdev;  in mgag200_ddc_algo_bit_data_pre_xfer()
109 	 * by acquiring the I/O-register lock.  in mgag200_ddc_algo_bit_data_pre_xfer()
111 	mutex_lock(&mdev->rmmio_lock);  in mgag200_ddc_algo_bit_data_pre_xfer()
118 	struct mgag200_ddc *ddc = i2c_get_adapdata(adapter);  in mgag200_ddc_algo_bit_data_post_xfer()  local
119 	struct mga_device *mdev = ddc->mdev;  in mgag200_ddc_algo_bit_data_post_xfer()
121 	mutex_unlock(&mdev->rmmio_lock);  in mgag200_ddc_algo_bit_data_post_xfer()
126 	struct mgag200_ddc *ddc = res;  in mgag200_ddc_release()  local
128 	i2c_del_adapter(&ddc->adapter);  in mgag200_ddc_release()
133 	struct drm_device *dev = &mdev->base;  in mgag200_ddc_create()
134 	const struct mgag200_device_info *info = mdev->info;  in mgag200_ddc_create()
135 	struct mgag200_ddc *ddc;  in mgag200_ddc_create()  local
140 	ddc = drmm_kzalloc(dev, sizeof(*ddc), GFP_KERNEL);  in mgag200_ddc_create()
141 	if (!ddc)  in mgag200_ddc_create()
142 		return ERR_PTR(-ENOMEM);  in mgag200_ddc_create()
148 	ddc->mdev = mdev;  in mgag200_ddc_create()
149 	ddc->data = BIT(info->i2c.data_bit);  in mgag200_ddc_create()
150 	ddc->clock = BIT(info->i2c.clock_bit);  in mgag200_ddc_create()
152 	bit = &ddc->bit;  in mgag200_ddc_create()
153 	bit->data = ddc;  in mgag200_ddc_create()
154 	bit->setsda = mgag200_ddc_algo_bit_data_setsda;  in mgag200_ddc_create()
155 	bit->setscl = mgag200_ddc_algo_bit_data_setscl;  in mgag200_ddc_create()
156 	bit->getsda = mgag200_ddc_algo_bit_data_getsda;  in mgag200_ddc_create()
157 	bit->getscl = mgag200_ddc_algo_bit_data_getscl;  in mgag200_ddc_create()
158 	bit->pre_xfer = mgag200_ddc_algo_bit_data_pre_xfer;  in mgag200_ddc_create()
159 	bit->post_xfer = mgag200_ddc_algo_bit_data_post_xfer;  in mgag200_ddc_create()
160 	bit->udelay = 10;  in mgag200_ddc_create()
161 	bit->timeout = usecs_to_jiffies(2200);  in mgag200_ddc_create()
163 	adapter = &ddc->adapter;  in mgag200_ddc_create()
164 	adapter->owner = THIS_MODULE;  in mgag200_ddc_create()
165 	adapter->algo_data = bit;  in mgag200_ddc_create()
166 	adapter->dev.parent = dev->dev;  in mgag200_ddc_create()
167 	snprintf(adapter->name, sizeof(adapter->name), "Matrox DDC bus");  in mgag200_ddc_create()
168 	i2c_set_adapdata(adapter, ddc);  in mgag200_ddc_create()
174 	ret = drmm_add_action_or_reset(dev, mgag200_ddc_release, ddc);  in mgag200_ddc_create()