136 static bool ch7xxx_readb(struct intel_dvo_device *dvo, int addr, u8 *ch)  in ch7xxx_readb()  argument
138 	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;  in ch7xxx_readb()
139 	struct i2c_adapter *adapter = dvo->i2c_bus;  in ch7xxx_readb()
145 			.addr = dvo->slave_addr,  in ch7xxx_readb()
151 			.addr = dvo->slave_addr,  in ch7xxx_readb()
168 			  addr, adapter->name, dvo->slave_addr);  in ch7xxx_readb()
174 static bool ch7xxx_writeb(struct intel_dvo_device *dvo, int addr, u8 ch)  in ch7xxx_writeb()  argument
176 	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;  in ch7xxx_writeb()
177 	struct i2c_adapter *adapter = dvo->i2c_bus;  in ch7xxx_writeb()
180 		.addr = dvo->slave_addr,  in ch7xxx_writeb()
194 			  addr, adapter->name, dvo->slave_addr);  in ch7xxx_writeb()
200 static bool ch7xxx_init(struct intel_dvo_device *dvo,  in ch7xxx_init()  argument
212 	dvo->i2c_bus = adapter;  in ch7xxx_init()
213 	dvo->dev_priv = ch7xxx;  in ch7xxx_init()
216 	if (!ch7xxx_readb(dvo, CH7xxx_REG_VID, &vendor))  in ch7xxx_init()
222 			      vendor, adapter->name, dvo->slave_addr);  in ch7xxx_init()
227 	if (!ch7xxx_readb(dvo, CH7xxx_REG_DID, &device))  in ch7xxx_init()
233 			      device, adapter->name, dvo->slave_addr);  in ch7xxx_init()
246 static enum drm_connector_status ch7xxx_detect(struct intel_dvo_device *dvo)  in ch7xxx_detect()  argument
250 	ch7xxx_readb(dvo, CH7xxx_PM, &orig_pm);  in ch7xxx_detect()
256 	ch7xxx_writeb(dvo, CH7xxx_PM, pm);  in ch7xxx_detect()
258 	ch7xxx_readb(dvo, CH7xxx_CONNECTION_DETECT, &cdet);  in ch7xxx_detect()
260 	ch7xxx_writeb(dvo, CH7xxx_PM, orig_pm);  in ch7xxx_detect()
267 static enum drm_mode_status ch7xxx_mode_valid(struct intel_dvo_device *dvo,  in ch7xxx_mode_valid()  argument
276 static void ch7xxx_mode_set(struct intel_dvo_device *dvo,  in ch7xxx_mode_set()  argument
294 	ch7xxx_writeb(dvo, CH7xxx_TCTL, 0x00);  in ch7xxx_mode_set()
295 	ch7xxx_writeb(dvo, CH7xxx_TVCO, tvco);  in ch7xxx_mode_set()
296 	ch7xxx_writeb(dvo, CH7xxx_TPCP, tpcp);  in ch7xxx_mode_set()
297 	ch7xxx_writeb(dvo, CH7xxx_TPD, tpd);  in ch7xxx_mode_set()
298 	ch7xxx_writeb(dvo, CH7xxx_TPVT, 0x30);  in ch7xxx_mode_set()
299 	ch7xxx_writeb(dvo, CH7xxx_TLPF, tlpf);  in ch7xxx_mode_set()
300 	ch7xxx_writeb(dvo, CH7xxx_TCT, 0x00);  in ch7xxx_mode_set()
302 	ch7xxx_readb(dvo, CH7xxx_IDF, &idf);  in ch7xxx_mode_set()
311 	ch7xxx_writeb(dvo, CH7xxx_IDF, idf);  in ch7xxx_mode_set()
315 static void ch7xxx_dpms(struct intel_dvo_device *dvo, bool enable)  in ch7xxx_dpms()  argument
318 		ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_DVIL | CH7xxx_PM_DVIP);  in ch7xxx_dpms()
320 		ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_FPD);  in ch7xxx_dpms()
323 static bool ch7xxx_get_hw_state(struct intel_dvo_device *dvo)  in ch7xxx_get_hw_state()  argument
327 	ch7xxx_readb(dvo, CH7xxx_PM, &val);  in ch7xxx_get_hw_state()
335 static void ch7xxx_dump_regs(struct intel_dvo_device *dvo)  in ch7xxx_dump_regs()  argument
343 		ch7xxx_readb(dvo, i, &val);  in ch7xxx_dump_regs()
348 static void ch7xxx_destroy(struct intel_dvo_device *dvo)  in ch7xxx_destroy()  argument
350 	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;  in ch7xxx_destroy()
354 		dvo->dev_priv = NULL;  in ch7xxx_destroy()