29 	struct riva_i2c_chan 	*chan = data;  in riva_gpio_setscl()  local
30 	struct riva_par 	*par = chan->par;  in riva_gpio_setscl()
33 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base + 1);  in riva_gpio_setscl()
41 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base + 1);  in riva_gpio_setscl()
47 	struct riva_i2c_chan 	*chan = data;  in riva_gpio_setsda()  local
48 	struct riva_par 	*par = chan->par;  in riva_gpio_setsda()
51 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base + 1);  in riva_gpio_setsda()
59 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base + 1);  in riva_gpio_setsda()
65 	struct riva_i2c_chan 	*chan = data;  in riva_gpio_getscl()  local
66 	struct riva_par 	*par = chan->par;  in riva_gpio_getscl()
69 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base);  in riva_gpio_getscl()
78 	struct riva_i2c_chan 	*chan = data;  in riva_gpio_getsda()  local
79 	struct riva_par 	*par = chan->par;  in riva_gpio_getsda()
82 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base);  in riva_gpio_getsda()
89 static int riva_setup_i2c_bus(struct riva_i2c_chan *chan, const char *name,  in riva_setup_i2c_bus()  argument
94 	strcpy(chan->adapter.name, name);  in riva_setup_i2c_bus()
95 	chan->adapter.owner		= THIS_MODULE;  in riva_setup_i2c_bus()
96 	chan->adapter.class		= i2c_class;  in riva_setup_i2c_bus()
97 	chan->adapter.algo_data		= &chan->algo;  in riva_setup_i2c_bus()
98 	chan->adapter.dev.parent	= &chan->par->pdev->dev;  in riva_setup_i2c_bus()
99 	chan->algo.setsda		= riva_gpio_setsda;  in riva_setup_i2c_bus()
100 	chan->algo.setscl		= riva_gpio_setscl;  in riva_setup_i2c_bus()
101 	chan->algo.getsda		= riva_gpio_getsda;  in riva_setup_i2c_bus()
102 	chan->algo.getscl		= riva_gpio_getscl;  in riva_setup_i2c_bus()
103 	chan->algo.udelay		= 40;  in riva_setup_i2c_bus()
104 	chan->algo.timeout		= msecs_to_jiffies(2);  in riva_setup_i2c_bus()
105 	chan->algo.data 		= chan;  in riva_setup_i2c_bus()
107 	i2c_set_adapdata(&chan->adapter, chan);  in riva_setup_i2c_bus()
110 	riva_gpio_setsda(chan, 1);  in riva_setup_i2c_bus()
111 	riva_gpio_setscl(chan, 1);  in riva_setup_i2c_bus()
114 	rc = i2c_bit_add_bus(&chan->adapter);  in riva_setup_i2c_bus()
116 		dev_dbg(&chan->par->pdev->dev, "I2C bus %s registered.\n", name);  in riva_setup_i2c_bus()
118 		dev_warn(&chan->par->pdev->dev,  in riva_setup_i2c_bus()
120 		chan->par = NULL;  in riva_setup_i2c_bus()
128 	par->chan[0].par	= par;  in riva_create_i2c_busses()
129 	par->chan[1].par	= par;  in riva_create_i2c_busses()
130 	par->chan[2].par        = par;  in riva_create_i2c_busses()
132 	par->chan[0].ddc_base = 0x36;  in riva_create_i2c_busses()
133 	par->chan[1].ddc_base = 0x3e;  in riva_create_i2c_busses()
134 	par->chan[2].ddc_base = 0x50;  in riva_create_i2c_busses()
135 	riva_setup_i2c_bus(&par->chan[0], "BUS1", I2C_CLASS_HWMON);  in riva_create_i2c_busses()
136 	riva_setup_i2c_bus(&par->chan[1], "BUS2", 0);  in riva_create_i2c_busses()
137 	riva_setup_i2c_bus(&par->chan[2], "BUS3", 0);  in riva_create_i2c_busses()
145 		if (!par->chan[i].par)  in riva_delete_i2c_busses()
147 		i2c_del_adapter(&par->chan[i].adapter);  in riva_delete_i2c_busses()
148 		par->chan[i].par = NULL;  in riva_delete_i2c_busses()
156 	if (par->chan[conn].par)  in riva_probe_i2c_connector()
157 		edid = fb_ddc_read(&par->chan[conn].adapter);  in riva_probe_i2c_connector()