30 	struct riva_par 	*par = chan->par;  in riva_gpio_setscl()  local
33 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base + 1);  in riva_gpio_setscl()
34 	val = VGA_RD08(par->riva.PCIO, 0x3d5) & 0xf0;  in riva_gpio_setscl()
41 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base + 1);  in riva_gpio_setscl()
42 	VGA_WR08(par->riva.PCIO, 0x3d5, val | 0x1);  in riva_gpio_setscl()
48 	struct riva_par 	*par = chan->par;  in riva_gpio_setsda()  local
51 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base + 1);  in riva_gpio_setsda()
52 	val = VGA_RD08(par->riva.PCIO, 0x3d5) & 0xf0;  in riva_gpio_setsda()
59 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base + 1);  in riva_gpio_setsda()
60 	VGA_WR08(par->riva.PCIO, 0x3d5, val | 0x1);  in riva_gpio_setsda()
66 	struct riva_par 	*par = chan->par;  in riva_gpio_getscl()  local
69 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base);  in riva_gpio_getscl()
70 	if (VGA_RD08(par->riva.PCIO, 0x3d5) & 0x04)  in riva_gpio_getscl()
79 	struct riva_par 	*par = chan->par;  in riva_gpio_getsda()  local
82 	VGA_WR08(par->riva.PCIO, 0x3d4, chan->ddc_base);  in riva_gpio_getsda()
83 	if (VGA_RD08(par->riva.PCIO, 0x3d5) & 0x08)  in riva_gpio_getsda()
98 	chan->adapter.dev.parent	= &chan->par->pdev->dev;  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()
126 void riva_create_i2c_busses(struct riva_par *par)  in riva_create_i2c_busses()  argument
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()
140 void riva_delete_i2c_busses(struct riva_par *par)  in riva_delete_i2c_busses()  argument
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()
152 int riva_probe_i2c_connector(struct riva_par *par, int conn, u8 **out_edid)  in riva_probe_i2c_connector()  argument
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()