135 static bool ch7xxx_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)  in ch7xxx_readb()  argument
137 	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;  in ch7xxx_readb()
138 	struct i2c_adapter *adapter = dvo->i2c_bus;  in ch7xxx_readb()
144 			.addr = dvo->slave_addr,  in ch7xxx_readb()
150 			.addr = dvo->slave_addr,  in ch7xxx_readb()
167 			  addr, adapter->name, dvo->slave_addr);  in ch7xxx_readb()
173 static bool ch7xxx_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)  in ch7xxx_writeb()  argument
175 	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;  in ch7xxx_writeb()
176 	struct i2c_adapter *adapter = dvo->i2c_bus;  in ch7xxx_writeb()
179 		.addr = dvo->slave_addr,  in ch7xxx_writeb()
193 			  addr, adapter->name, dvo->slave_addr);  in ch7xxx_writeb()
199 static bool ch7xxx_init(struct intel_dvo_device *dvo,  in ch7xxx_init()  argument
211 	dvo->i2c_bus = adapter;  in ch7xxx_init()
212 	dvo->dev_priv = ch7xxx;  in ch7xxx_init()
215 	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()
234 			  vendor, adapter->name, dvo->slave_addr);  in ch7xxx_init()
247 static enum drm_connector_status ch7xxx_detect(struct intel_dvo_device *dvo)  in ch7xxx_detect()  argument
251 	ch7xxx_readb(dvo, CH7xxx_PM, &orig_pm);  in ch7xxx_detect()
257 	ch7xxx_writeb(dvo, CH7xxx_PM, pm);  in ch7xxx_detect()
259 	ch7xxx_readb(dvo, CH7xxx_CONNECTION_DETECT, &cdet);  in ch7xxx_detect()
261 	ch7xxx_writeb(dvo, CH7xxx_PM, orig_pm);  in ch7xxx_detect()
268 static enum drm_mode_status ch7xxx_mode_valid(struct intel_dvo_device *dvo,  in ch7xxx_mode_valid()  argument
277 static void ch7xxx_mode_set(struct intel_dvo_device *dvo,  in ch7xxx_mode_set()  argument
295 	ch7xxx_writeb(dvo, CH7xxx_TCTL, 0x00);  in ch7xxx_mode_set()
296 	ch7xxx_writeb(dvo, CH7xxx_TVCO, tvco);  in ch7xxx_mode_set()
297 	ch7xxx_writeb(dvo, CH7xxx_TPCP, tpcp);  in ch7xxx_mode_set()
298 	ch7xxx_writeb(dvo, CH7xxx_TPD, tpd);  in ch7xxx_mode_set()
299 	ch7xxx_writeb(dvo, CH7xxx_TPVT, 0x30);  in ch7xxx_mode_set()
300 	ch7xxx_writeb(dvo, CH7xxx_TLPF, tlpf);  in ch7xxx_mode_set()
301 	ch7xxx_writeb(dvo, CH7xxx_TCT, 0x00);  in ch7xxx_mode_set()
303 	ch7xxx_readb(dvo, CH7xxx_IDF, &idf);  in ch7xxx_mode_set()
312 	ch7xxx_writeb(dvo, CH7xxx_IDF, idf);  in ch7xxx_mode_set()
316 static void ch7xxx_dpms(struct intel_dvo_device *dvo, bool enable)  in ch7xxx_dpms()  argument
319 		ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_DVIL | CH7xxx_PM_DVIP);  in ch7xxx_dpms()
321 		ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_FPD);  in ch7xxx_dpms()
324 static bool ch7xxx_get_hw_state(struct intel_dvo_device *dvo)  in ch7xxx_get_hw_state()  argument
328 	ch7xxx_readb(dvo, CH7xxx_PM, &val);  in ch7xxx_get_hw_state()
336 static void ch7xxx_dump_regs(struct intel_dvo_device *dvo)  in ch7xxx_dump_regs()  argument
344 		ch7xxx_readb(dvo, i, &val);  in ch7xxx_dump_regs()
349 static void ch7xxx_destroy(struct intel_dvo_device *dvo)  in ch7xxx_destroy()  argument
351 	struct ch7xxx_priv *ch7xxx = dvo->dev_priv;  in ch7xxx_destroy()
355 		dvo->dev_priv = NULL;  in ch7xxx_destroy()