47 	struct savagefb_i2c_chan *chan = data;  in savage4_gpio_setscl()  local
50 	r = readl(chan->ioaddr + chan->reg);  in savage4_gpio_setscl()
55 	writel(r, chan->ioaddr + chan->reg);  in savage4_gpio_setscl()
56 	readl(chan->ioaddr + chan->reg);	/* flush posted write */  in savage4_gpio_setscl()
61 	struct savagefb_i2c_chan *chan = data;  in savage4_gpio_setsda()  local
64 	r = readl(chan->ioaddr + chan->reg);  in savage4_gpio_setsda()
69 	writel(r, chan->ioaddr + chan->reg);  in savage4_gpio_setsda()
70 	readl(chan->ioaddr + chan->reg);	/* flush posted write */  in savage4_gpio_setsda()
75 	struct savagefb_i2c_chan *chan = data;  in savage4_gpio_getscl()  local
77 	return (0 != (readl(chan->ioaddr + chan->reg) & SAVAGE4_I2C_SCL_IN));  in savage4_gpio_getscl()
82 	struct savagefb_i2c_chan *chan = data;  in savage4_gpio_getsda()  local
84 	return (0 != (readl(chan->ioaddr + chan->reg) & SAVAGE4_I2C_SDA_IN));  in savage4_gpio_getsda()
89 	struct savagefb_i2c_chan *chan = data;  in prosavage_gpio_setscl()  local
92 	r = VGArCR(chan->reg, chan->par);  in prosavage_gpio_setscl()
100 	VGAwCR(chan->reg, r, chan->par);  in prosavage_gpio_setscl()
105 	struct savagefb_i2c_chan *chan = data;  in prosavage_gpio_setsda()  local
108 	r = VGArCR(chan->reg, chan->par);  in prosavage_gpio_setsda()
116 	VGAwCR(chan->reg, r, chan->par);  in prosavage_gpio_setsda()
121 	struct savagefb_i2c_chan *chan = data;  in prosavage_gpio_getscl()  local
123 	return (VGArCR(chan->reg, chan->par) & PROSAVAGE_I2C_SCL_IN) ? 1 : 0;  in prosavage_gpio_getscl()
128 	struct savagefb_i2c_chan *chan = data;  in prosavage_gpio_getsda()  local
130 	return (VGArCR(chan->reg, chan->par) & PROSAVAGE_I2C_SDA_IN) ? 1 : 0;  in prosavage_gpio_getsda()
133 static int savage_setup_i2c_bus(struct savagefb_i2c_chan *chan,  in savage_setup_i2c_bus()  argument
138 	if (chan->par) {  in savage_setup_i2c_bus()
139 		strcpy(chan->adapter.name, name);  in savage_setup_i2c_bus()
140 		chan->adapter.owner		= THIS_MODULE;  in savage_setup_i2c_bus()
141 		chan->adapter.algo_data		= &chan->algo;  in savage_setup_i2c_bus()
142 		chan->adapter.dev.parent	= &chan->par->pcidev->dev;  in savage_setup_i2c_bus()
143 		chan->algo.udelay		= 10;  in savage_setup_i2c_bus()
144 		chan->algo.timeout		= 20;  in savage_setup_i2c_bus()
145 		chan->algo.data 		= chan;  in savage_setup_i2c_bus()
147 		i2c_set_adapdata(&chan->adapter, chan);  in savage_setup_i2c_bus()
150 		chan->algo.setsda(chan, 1);  in savage_setup_i2c_bus()
151 		chan->algo.setscl(chan, 1);  in savage_setup_i2c_bus()
154 		rc = i2c_bit_add_bus(&chan->adapter);  in savage_setup_i2c_bus()
157 			dev_dbg(&chan->par->pcidev->dev,  in savage_setup_i2c_bus()
160 			dev_warn(&chan->par->pcidev->dev,  in savage_setup_i2c_bus()
170 	par->chan.par	= par;  in savagefb_create_i2c_busses()
176 		par->chan.reg         = CR_SERIAL2;  in savagefb_create_i2c_busses()
177 		par->chan.ioaddr      = par->mmio.vbase;  in savagefb_create_i2c_busses()
178 		par->chan.algo.setsda = prosavage_gpio_setsda;  in savagefb_create_i2c_busses()
179 		par->chan.algo.setscl = prosavage_gpio_setscl;  in savagefb_create_i2c_busses()
180 		par->chan.algo.getsda = prosavage_gpio_getsda;  in savagefb_create_i2c_busses()
181 		par->chan.algo.getscl = prosavage_gpio_getscl;  in savagefb_create_i2c_busses()
184 		par->chan.reg = CR_SERIAL1;  in savagefb_create_i2c_busses()
186 			par->chan.reg = CR_SERIAL2;  in savagefb_create_i2c_busses()
187 		par->chan.ioaddr      = par->mmio.vbase;  in savagefb_create_i2c_busses()
188 		par->chan.algo.setsda = prosavage_gpio_setsda;  in savagefb_create_i2c_busses()
189 		par->chan.algo.setscl = prosavage_gpio_setscl;  in savagefb_create_i2c_busses()
190 		par->chan.algo.getsda = prosavage_gpio_getsda;  in savagefb_create_i2c_busses()
191 		par->chan.algo.getscl = prosavage_gpio_getscl;  in savagefb_create_i2c_busses()
194 		par->chan.reg         = MM_SERIAL1;  in savagefb_create_i2c_busses()
195 		par->chan.ioaddr      = par->mmio.vbase;  in savagefb_create_i2c_busses()
196 		par->chan.algo.setsda = savage4_gpio_setsda;  in savagefb_create_i2c_busses()
197 		par->chan.algo.setscl = savage4_gpio_setscl;  in savagefb_create_i2c_busses()
198 		par->chan.algo.getsda = savage4_gpio_getsda;  in savagefb_create_i2c_busses()
199 		par->chan.algo.getscl = savage4_gpio_getscl;  in savagefb_create_i2c_busses()
202 		par->chan.par = NULL;  in savagefb_create_i2c_busses()
205 	savage_setup_i2c_bus(&par->chan, "SAVAGE DDC2");  in savagefb_create_i2c_busses()
212 	if (par->chan.par)  in savagefb_delete_i2c_busses()
213 		i2c_del_adapter(&par->chan.adapter);  in savagefb_delete_i2c_busses()
215 	par->chan.par = NULL;  in savagefb_delete_i2c_busses()
223 	if (par->chan.par)  in savagefb_probe_i2c_connector()
224 		edid = fb_ddc_read(&par->chan.adapter);  in savagefb_probe_i2c_connector()