30 	struct nvidia_i2c_chan *chan = data;  in nvidia_gpio_setscl()  local
31 	struct nvidia_par *par = chan->par;  in nvidia_gpio_setscl()
34 	val = NVReadCrtc(par, chan->ddc_base + 1) & 0xf0;  in nvidia_gpio_setscl()
41 	NVWriteCrtc(par, chan->ddc_base + 1, val | 0x01);  in nvidia_gpio_setscl()
46 	struct nvidia_i2c_chan *chan = data;  in nvidia_gpio_setsda()  local
47 	struct nvidia_par *par = chan->par;  in nvidia_gpio_setsda()
50 	val = NVReadCrtc(par, chan->ddc_base + 1) & 0xf0;  in nvidia_gpio_setsda()
57 	NVWriteCrtc(par, chan->ddc_base + 1, val | 0x01);  in nvidia_gpio_setsda()
62 	struct nvidia_i2c_chan *chan = data;  in nvidia_gpio_getscl()  local
63 	struct nvidia_par *par = chan->par;  in nvidia_gpio_getscl()
66 	if (NVReadCrtc(par, chan->ddc_base) & 0x04)  in nvidia_gpio_getscl()
74 	struct nvidia_i2c_chan *chan = data;  in nvidia_gpio_getsda()  local
75 	struct nvidia_par *par = chan->par;  in nvidia_gpio_getsda()
78 	if (NVReadCrtc(par, chan->ddc_base) & 0x08)  in nvidia_gpio_getsda()
84 static int nvidia_setup_i2c_bus(struct nvidia_i2c_chan *chan, const char *name,  in nvidia_setup_i2c_bus()  argument
89 	strscpy(chan->adapter.name, name, sizeof(chan->adapter.name));  in nvidia_setup_i2c_bus()
90 	chan->adapter.owner = THIS_MODULE;  in nvidia_setup_i2c_bus()
91 	chan->adapter.class = i2c_class;  in nvidia_setup_i2c_bus()
92 	chan->adapter.algo_data = &chan->algo;  in nvidia_setup_i2c_bus()
93 	chan->adapter.dev.parent = &chan->par->pci_dev->dev;  in nvidia_setup_i2c_bus()
94 	chan->algo.setsda = nvidia_gpio_setsda;  in nvidia_setup_i2c_bus()
95 	chan->algo.setscl = nvidia_gpio_setscl;  in nvidia_setup_i2c_bus()
96 	chan->algo.getsda = nvidia_gpio_getsda;  in nvidia_setup_i2c_bus()
97 	chan->algo.getscl = nvidia_gpio_getscl;  in nvidia_setup_i2c_bus()
98 	chan->algo.udelay = 40;  in nvidia_setup_i2c_bus()
99 	chan->algo.timeout = msecs_to_jiffies(2);  in nvidia_setup_i2c_bus()
100 	chan->algo.data = chan;  in nvidia_setup_i2c_bus()
102 	i2c_set_adapdata(&chan->adapter, chan);  in nvidia_setup_i2c_bus()
105 	nvidia_gpio_setsda(chan, 1);  in nvidia_setup_i2c_bus()
106 	nvidia_gpio_setscl(chan, 1);  in nvidia_setup_i2c_bus()
109 	rc = i2c_bit_add_bus(&chan->adapter);  in nvidia_setup_i2c_bus()
111 		dev_dbg(&chan->par->pci_dev->dev,  in nvidia_setup_i2c_bus()
114 		dev_warn(&chan->par->pci_dev->dev,  in nvidia_setup_i2c_bus()
116 		chan->par = NULL;  in nvidia_setup_i2c_bus()
124 	par->chan[0].par = par;  in nvidia_create_i2c_busses()
125 	par->chan[1].par = par;  in nvidia_create_i2c_busses()
126 	par->chan[2].par = par;  in nvidia_create_i2c_busses()
128 	par->chan[0].ddc_base = (par->reverse_i2c) ? 0x36 : 0x3e;  in nvidia_create_i2c_busses()
129  	nvidia_setup_i2c_bus(&par->chan[0], "nvidia #0",  in nvidia_create_i2c_busses()
132 	par->chan[1].ddc_base = (par->reverse_i2c) ? 0x3e : 0x36;  in nvidia_create_i2c_busses()
133  	nvidia_setup_i2c_bus(&par->chan[1], "nvidia #1",  in nvidia_create_i2c_busses()
136 	par->chan[2].ddc_base = 0x50;  in nvidia_create_i2c_busses()
137  	nvidia_setup_i2c_bus(&par->chan[2], "nvidia #2", 0);  in nvidia_create_i2c_busses()
145 		if (!par->chan[i].par)  in nvidia_delete_i2c_busses()
147 		i2c_del_adapter(&par->chan[i].adapter);  in nvidia_delete_i2c_busses()
148 		par->chan[i].par = NULL;  in nvidia_delete_i2c_busses()
157 	if (par->chan[conn - 1].par)  in nvidia_probe_i2c_connector()
158 		edid = fb_ddc_read(&par->chan[conn - 1].adapter);  in nvidia_probe_i2c_connector()