drm2/i915/dvo_sil164.c

32 #include "dvo.h"
71 static bool sil164_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
73 	struct sil164_priv *sil = dvo->dev_priv;
74 	device_t adapter = dvo->i2c_bus;
80 			.slave = dvo->slave_addr << 1,
86 			.slave = dvo->slave_addr << 1,
103 			  addr, device_get_nameunit(adapter), dvo->slave_addr);
108 static bool sil164_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)
110 	struct sil164_priv *sil = dvo->dev_priv;
111 	device_t adapter = dvo->i2c_bus;
114 		.slave = dvo->slave_addr << 1,
128 			  addr, device_get_nameunit(adapter), dvo->slave_addr);
135 static bool sil164_init(struct intel_dvo_device *dvo,
146 	dvo->i2c_bus = adapter;
147 	dvo->dev_priv = sil;
150 	if (!sil164_readb(dvo, SIL164_VID_LO, &ch))
155 			  ch, device_get_nameunit(adapter), dvo->slave_addr);
159 	if (!sil164_readb(dvo, SIL164_DID_LO, &ch))
164 			  ch, device_get_nameunit(adapter), dvo->slave_addr);
169 	DRM_DEBUG_KMS("init sil164 dvo controller successfully!\n");
177 static enum drm_connector_status sil164_detect(struct intel_dvo_device *dvo)
181 	sil164_readb(dvo, SIL164_REG9, &reg9);
189 static enum drm_mode_status sil164_mode_valid(struct intel_dvo_device *dvo,
195 static void sil164_mode_set(struct intel_dvo_device *dvo,
214 static void sil164_dpms(struct intel_dvo_device *dvo, bool enable)
219 	ret = sil164_readb(dvo, SIL164_REG8, &ch);
228 	sil164_writeb(dvo, SIL164_REG8, ch);
232 static bool sil164_get_hw_state(struct intel_dvo_device *dvo)
237 	ret = sil164_readb(dvo, SIL164_REG8, &ch);
247 static void sil164_dump_regs(struct intel_dvo_device *dvo)
251 	sil164_readb(dvo, SIL164_FREQ_LO, &val);
253 	sil164_readb(dvo, SIL164_FREQ_HI, &val);
255 	sil164_readb(dvo, SIL164_REG8, &val);
257 	sil164_readb(dvo, SIL164_REG9, &val);
259 	sil164_readb(dvo, SIL164_REGC, &val);
263 static void sil164_destroy(struct intel_dvo_device *dvo)
265 	struct sil164_priv *sil = dvo->dev_priv;
269 		dvo->dev_priv = NULL;