19 	struct radeon_i2c_chan 	*chan = data;  in radeon_gpio_setscl()  local
20 	struct radeonfb_info	*rinfo = chan->rinfo;  in radeon_gpio_setscl()
23 	val = INREG(chan->ddc_reg) & ~(VGA_DDC_CLK_OUT_EN);  in radeon_gpio_setscl()
27 	OUTREG(chan->ddc_reg, val);  in radeon_gpio_setscl()
28 	(void)INREG(chan->ddc_reg);  in radeon_gpio_setscl()
33 	struct radeon_i2c_chan 	*chan = data;  in radeon_gpio_setsda()  local
34 	struct radeonfb_info	*rinfo = chan->rinfo;  in radeon_gpio_setsda()
37 	val = INREG(chan->ddc_reg) & ~(VGA_DDC_DATA_OUT_EN);  in radeon_gpio_setsda()
41 	OUTREG(chan->ddc_reg, val);  in radeon_gpio_setsda()
42 	(void)INREG(chan->ddc_reg);  in radeon_gpio_setsda()
47 	struct radeon_i2c_chan 	*chan = data;  in radeon_gpio_getscl()  local
48 	struct radeonfb_info	*rinfo = chan->rinfo;  in radeon_gpio_getscl()
51 	val = INREG(chan->ddc_reg);  in radeon_gpio_getscl()
58 	struct radeon_i2c_chan 	*chan = data;  in radeon_gpio_getsda()  local
59 	struct radeonfb_info	*rinfo = chan->rinfo;  in radeon_gpio_getsda()
62 	val = INREG(chan->ddc_reg);  in radeon_gpio_getsda()
67 static int radeon_setup_i2c_bus(struct radeon_i2c_chan *chan, const char *name)  in radeon_setup_i2c_bus()  argument
71 	snprintf(chan->adapter.name, sizeof(chan->adapter.name),  in radeon_setup_i2c_bus()
73 	chan->adapter.owner		= THIS_MODULE;  in radeon_setup_i2c_bus()
74 	chan->adapter.algo_data		= &chan->algo;  in radeon_setup_i2c_bus()
75 	chan->adapter.dev.parent	= &chan->rinfo->pdev->dev;  in radeon_setup_i2c_bus()
76 	chan->algo.setsda		= radeon_gpio_setsda;  in radeon_setup_i2c_bus()
77 	chan->algo.setscl		= radeon_gpio_setscl;  in radeon_setup_i2c_bus()
78 	chan->algo.getsda		= radeon_gpio_getsda;  in radeon_setup_i2c_bus()
79 	chan->algo.getscl		= radeon_gpio_getscl;  in radeon_setup_i2c_bus()
80 	chan->algo.udelay		= 10;  in radeon_setup_i2c_bus()
81 	chan->algo.timeout		= 20;  in radeon_setup_i2c_bus()
82 	chan->algo.data 		= chan;	  in radeon_setup_i2c_bus()
84 	i2c_set_adapdata(&chan->adapter, chan);  in radeon_setup_i2c_bus()
87 	radeon_gpio_setsda(chan, 1);  in radeon_setup_i2c_bus()
88 	radeon_gpio_setscl(chan, 1);  in radeon_setup_i2c_bus()
91 	rc = i2c_bit_add_bus(&chan->adapter);  in radeon_setup_i2c_bus()
93 		dev_dbg(&chan->rinfo->pdev->dev, "I2C bus %s registered.\n", name);  in radeon_setup_i2c_bus()
95 		dev_warn(&chan->rinfo->pdev->dev, "Failed to register I2C bus %s.\n", name);  in radeon_setup_i2c_bus()