41 static int matroxfb_read_gpio(struct matrox_fb_info* minfo) {  in matroxfb_read_gpio()  argument
46 	v = matroxfb_DAC_in(minfo, DAC_XGENIODATA);  in matroxfb_read_gpio()
51 static void matroxfb_set_gpio(struct matrox_fb_info* minfo, int mask, int val) {  in matroxfb_set_gpio()  argument
56 	v = (matroxfb_DAC_in(minfo, DAC_XGENIOCTRL) & mask) | val;  in matroxfb_set_gpio()
57 	matroxfb_DAC_out(minfo, DAC_XGENIOCTRL, v);  in matroxfb_set_gpio()
59 	matroxfb_DAC_out(minfo, DAC_XGENIODATA, 0x00);  in matroxfb_set_gpio()
64 static inline void matroxfb_i2c_set(struct matrox_fb_info* minfo, int mask, int state) {  in matroxfb_i2c_set()  argument
69 	matroxfb_set_gpio(minfo, ~mask, state);  in matroxfb_i2c_set()
74 	matroxfb_i2c_set(b->minfo, b->mask.data, state);  in matroxfb_gpio_setsda()
79 	matroxfb_i2c_set(b->minfo, b->mask.clock, state);  in matroxfb_gpio_setscl()
84 	return (matroxfb_read_gpio(b->minfo) & b->mask.data) ? 1 : 0;  in matroxfb_gpio_getsda()
89 	return (matroxfb_read_gpio(b->minfo) & b->mask.clock) ? 1 : 0;  in matroxfb_gpio_getscl()
102 static int i2c_bus_reg(struct i2c_bit_adapter* b, struct matrox_fb_info* minfo,   in i2c_bus_reg()  argument
107 	b->minfo = minfo;  in i2c_bus_reg()
112 		minfo->fbcon.node);  in i2c_bus_reg()
115 	b->adapter.dev.parent = &minfo->pcidev->dev;  in i2c_bus_reg()
142 static void* i2c_matroxfb_probe(struct matrox_fb_info* minfo) {  in i2c_matroxfb_probe()  argument
152 	matroxfb_DAC_out(minfo, DAC_XGENIODATA, 0xFF);  in i2c_matroxfb_probe()
153 	matroxfb_DAC_out(minfo, DAC_XGENIOCTRL, 0x00);  in i2c_matroxfb_probe()
156 	switch (minfo->chip) {  in i2c_matroxfb_probe()
159 			err = i2c_bus_reg(&m2info->ddc1, minfo,  in i2c_matroxfb_probe()
164 			err = i2c_bus_reg(&m2info->ddc1, minfo,  in i2c_matroxfb_probe()
171 	if (minfo->devflags.dualhead) {  in i2c_matroxfb_probe()
172 		err = i2c_bus_reg(&m2info->ddc2, minfo, DDC2_DATA, DDC2_CLK, "DDC:fb%u #1");  in i2c_matroxfb_probe()
178 		err = i2c_bus_reg(&m2info->maven, minfo, MAT_DATA, MAT_CLK, "MAVEN:fb%u");  in i2c_matroxfb_probe()
200 static void i2c_matroxfb_remove(struct matrox_fb_info* minfo, void* data) {  in i2c_matroxfb_remove()  argument