112 static bool ch7xxx_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)  in ch7xxx_readb()  argument
114 	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;  in ch7xxx_readb()
115 	struct i2c_adapter *adapter = dvo->i2c_bus;  in ch7xxx_readb()
121 			.addr = dvo->slave_addr,  in ch7xxx_readb()
127 			.addr = dvo->slave_addr,  in ch7xxx_readb()
144 			  addr, adapter->name, dvo->slave_addr);  in ch7xxx_readb()
150 static bool ch7xxx_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)  in ch7xxx_writeb()  argument
152 	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;  in ch7xxx_writeb()
153 	struct i2c_adapter *adapter = dvo->i2c_bus;  in ch7xxx_writeb()
156 		.addr = dvo->slave_addr,  in ch7xxx_writeb()
170 			  addr, adapter->name, dvo->slave_addr);  in ch7xxx_writeb()
176 static bool ch7xxx_init(struct intel_dvo_device *dvo,  in ch7xxx_init()  argument
188 	dvo->i2c_bus = adapter;  in ch7xxx_init()
189 	dvo->dev_priv = ch7xxx;  in ch7xxx_init()
192 	if (!ch7xxx_readb(dvo, CH7xxx_REG_VID, &vendor))  in ch7xxx_init()
199 			  vendor, adapter->name, dvo->slave_addr);  in ch7xxx_init()
204 	if (!ch7xxx_readb(dvo, CH7xxx_REG_DID, &device))  in ch7xxx_init()
210 			  vendor, adapter->name, dvo->slave_addr);  in ch7xxx_init()
223 static enum drm_connector_status ch7xxx_detect(struct intel_dvo_device *dvo)  in ch7xxx_detect()  argument
227 	ch7xxx_readb(dvo, CH7xxx_PM, &orig_pm);  in ch7xxx_detect()
233 	ch7xxx_writeb(dvo, CH7xxx_PM, pm);  in ch7xxx_detect()
235 	ch7xxx_readb(dvo, CH7xxx_CONNECTION_DETECT, &cdet);  in ch7xxx_detect()
237 	ch7xxx_writeb(dvo, CH7xxx_PM, orig_pm);  in ch7xxx_detect()
244 static enum drm_mode_status ch7xxx_mode_valid(struct intel_dvo_device *dvo,  in ch7xxx_mode_valid()  argument
253 static void ch7xxx_mode_set(struct intel_dvo_device *dvo,  in ch7xxx_mode_set()  argument
271 	ch7xxx_writeb(dvo, CH7xxx_TCTL, 0x00);  in ch7xxx_mode_set()
272 	ch7xxx_writeb(dvo, CH7xxx_TVCO, tvco);  in ch7xxx_mode_set()
273 	ch7xxx_writeb(dvo, CH7xxx_TPCP, tpcp);  in ch7xxx_mode_set()
274 	ch7xxx_writeb(dvo, CH7xxx_TPD, tpd);  in ch7xxx_mode_set()
275 	ch7xxx_writeb(dvo, CH7xxx_TPVT, 0x30);  in ch7xxx_mode_set()
276 	ch7xxx_writeb(dvo, CH7xxx_TLPF, tlpf);  in ch7xxx_mode_set()
277 	ch7xxx_writeb(dvo, CH7xxx_TCT, 0x00);  in ch7xxx_mode_set()
279 	ch7xxx_readb(dvo, CH7xxx_IDF, &idf);  in ch7xxx_mode_set()
288 	ch7xxx_writeb(dvo, CH7xxx_IDF, idf);  in ch7xxx_mode_set()
292 static void ch7xxx_dpms(struct intel_dvo_device *dvo, bool enable)  in ch7xxx_dpms()  argument
295 		ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_DVIL | CH7xxx_PM_DVIP);  in ch7xxx_dpms()
297 		ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_FPD);  in ch7xxx_dpms()
300 static bool ch7xxx_get_hw_state(struct intel_dvo_device *dvo)  in ch7xxx_get_hw_state()  argument
304 	ch7xxx_readb(dvo, CH7xxx_PM, &val);  in ch7xxx_get_hw_state()
312 static void ch7xxx_dump_regs(struct intel_dvo_device *dvo)  in ch7xxx_dump_regs()  argument
320 		ch7xxx_readb(dvo, i, &val);  in ch7xxx_dump_regs()
325 static void ch7xxx_destroy(struct intel_dvo_device *dvo)  in ch7xxx_destroy()  argument
327 	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;  in ch7xxx_destroy()
331 		dvo->dev_priv = NULL;  in ch7xxx_destroy()