Cross Reference: /src/sys/external/bsd/drm2/dist/drm/i915/gvt/edid.c

Lines Matching refs:vgpu
54 static unsigned char edid_get_byte(struct intel_vgpu *vgpu)
56 	struct intel_vgpu_i2c_edid *edid = &vgpu->display.i2c_edid;
73 	if (intel_vgpu_has_monitor_on_port(vgpu, edid->port)) {
75 			intel_vgpu_port(vgpu, edid->port)->edid;
131 static void reset_gmbus_controller(struct intel_vgpu *vgpu)
133 	vgpu_vreg_t(vgpu, PCH_GMBUS2) = GMBUS_HW_RDY;
134 	if (!vgpu->display.i2c_edid.edid_available)
135 		vgpu_vreg_t(vgpu, PCH_GMBUS2) |= GMBUS_SATOER;
136 	vgpu->display.i2c_edid.gmbus.phase = GMBUS_IDLE_PHASE;
140 static int gmbus0_mmio_write(struct intel_vgpu *vgpu,
143 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
146 	memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes);
148 	pin_select = vgpu_vreg(vgpu, offset) & _GMBUS_PIN_SEL_MASK;
150 	intel_vgpu_init_i2c_edid(vgpu);
164 	vgpu->display.i2c_edid.state = I2C_GMBUS;
165 	vgpu->display.i2c_edid.gmbus.phase = GMBUS_IDLE_PHASE;
167 	vgpu_vreg_t(vgpu, PCH_GMBUS2) &= ~GMBUS_ACTIVE;
168 	vgpu_vreg_t(vgpu, PCH_GMBUS2) |= GMBUS_HW_RDY | GMBUS_HW_WAIT_PHASE;
170 	if (intel_vgpu_has_monitor_on_port(vgpu, port) &&
171 			!intel_vgpu_port_is_dp(vgpu, port)) {
172 		vgpu->display.i2c_edid.port = port;
173 		vgpu->display.i2c_edid.edid_available = true;
174 		vgpu_vreg_t(vgpu, PCH_GMBUS2) &= ~GMBUS_SATOER;
176 		vgpu_vreg_t(vgpu, PCH_GMBUS2) |= GMBUS_SATOER;
180 static int gmbus1_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
183 	struct intel_vgpu_i2c_edid *i2c_edid = &vgpu->display.i2c_edid;
187 	if (vgpu_vreg(vgpu, offset) & GMBUS_SW_CLR_INT) {
189 			vgpu_vreg(vgpu, offset) &= ~GMBUS_SW_CLR_INT;
190 			reset_gmbus_controller(vgpu);
203 			vgpu_vreg_t(vgpu, PCH_GMBUS2) &= ~GMBUS_INT;
204 			vgpu_vreg_t(vgpu, PCH_GMBUS2) |= GMBUS_HW_RDY;
217 		/* vgpu gmbus only support EDID */
222 				"vgpu%d: unsupported gmbus slave addr(0x%x)\n"
224 					vgpu->id, slave_addr);
242 			if (gmbus1_bus_cycle(vgpu_vreg(vgpu, offset))
244 				intel_vgpu_init_i2c_edid(vgpu);
252 				vgpu_vreg_t(vgpu, PCH_GMBUS2) &= ~GMBUS_ACTIVE;
264 			vgpu_vreg_t(vgpu, PCH_GMBUS2) |= GMBUS_ACTIVE;
276 		vgpu_vreg(vgpu, offset) = wvalue;
281 static int gmbus3_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
288 static int gmbus3_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
293 	struct intel_vgpu_i2c_edid *i2c_edid = &vgpu->display.i2c_edid;
300 	if (vgpu_vreg_t(vgpu, PCH_GMBUS1) & GMBUS_SLAVE_READ) {
302 			memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
309 			byte_data = edid_get_byte(vgpu);
313 		memcpy(&vgpu_vreg(vgpu, offset), &reg_data, byte_count);
314 		memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
328 			intel_vgpu_init_i2c_edid(vgpu);
335 		memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
341 static int gmbus2_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
344 	u32 value = vgpu_vreg(vgpu, offset);
346 	if (!(vgpu_vreg(vgpu, offset) & GMBUS_INUSE))
347 		vgpu_vreg(vgpu, offset) |= GMBUS_INUSE;
352 static int gmbus2_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
358 		vgpu_vreg(vgpu, offset) &= ~GMBUS_INUSE;
365  * @vgpu: a vGPU
376 int intel_gvt_i2c_handle_gmbus_read(struct intel_vgpu *vgpu,
383 		return gmbus2_mmio_read(vgpu, offset, p_data, bytes);
385 		return gmbus3_mmio_read(vgpu, offset, p_data, bytes);
387 	memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
393  * @vgpu: a vGPU
404 int intel_gvt_i2c_handle_gmbus_write(struct intel_vgpu *vgpu,
411 		return gmbus0_mmio_write(vgpu, offset, p_data, bytes);
413 		return gmbus1_mmio_write(vgpu, offset, p_data, bytes);
415 		return gmbus2_mmio_write(vgpu, offset, p_data, bytes);
417 		return gmbus3_mmio_write(vgpu, offset, p_data, bytes);
419 	memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes);
468  * @vgpu: a vGPU
476 void intel_gvt_i2c_handle_aux_ch_write(struct intel_vgpu *vgpu,
481 	struct intel_vgpu_i2c_edid *i2c_edid = &vgpu->display.i2c_edid;
489 		vgpu_vreg(vgpu, offset) = value;
495 	msg = vgpu_vreg(vgpu, offset + 4);
506 	vgpu_vreg(vgpu, offset) =
514 			intel_vgpu_init_i2c_edid(vgpu);
521 				intel_vgpu_init_i2c_edid(vgpu);
526 				if (intel_vgpu_has_monitor_on_port(vgpu,
528 					intel_vgpu_port_is_dp(vgpu, port_idx))
545 			unsigned char val = edid_get_byte(vgpu);
556 	vgpu_vreg(vgpu, offset + 4) = aux_data_for_write;
560  * intel_vgpu_init_i2c_edid - initialize vGPU i2c edid emulation
561  * @vgpu: a vGPU
563  * This function is used to initialize vGPU i2c edid emulation stuffs
566 void intel_vgpu_init_i2c_edid(struct intel_vgpu *vgpu)
568 	struct intel_vgpu_i2c_edid *edid = &vgpu->display.i2c_edid;
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