8  * Kylene Hall <kjhall@us.ibm.com>
10  * Maintained by: <tpmdd-devel@lists.sourceforge.net>
77 	struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev);  in wait_for_stat()
81 	*data = inb(priv->base + NSC_STATUS);  in wait_for_stat()
89 		*data = inb(priv->base + 1);  in wait_for_stat()
95 	return -EBUSY;  in wait_for_stat()
100 	struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev);  in nsc_wait_for_ready()
105 	status = inb(priv->base + NSC_STATUS);  in nsc_wait_for_ready()
107 		status = inb(priv->base + NSC_DATA);  in nsc_wait_for_ready()
115 		status = inb(priv->base + NSC_STATUS);  in nsc_wait_for_ready()
117 			status = inb(priv->base + NSC_DATA);  in nsc_wait_for_ready()
123 	dev_info(&chip->dev, "wait for ready failed\n");  in nsc_wait_for_ready()
124 	return -EBUSY;  in nsc_wait_for_ready()
130 	struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev);  in tpm_nsc_recv()
137 		return -EIO;  in tpm_nsc_recv()
140 		dev_err(&chip->dev, "F0 timeout\n");  in tpm_nsc_recv()
141 		return -EIO;  in tpm_nsc_recv()
144 	data = inb(priv->base + NSC_DATA);  in tpm_nsc_recv()
146 		dev_err(&chip->dev, "not in normal mode (0x%x)\n",  in tpm_nsc_recv()
148 		return -EIO;  in tpm_nsc_recv()
155 			dev_err(&chip->dev,  in tpm_nsc_recv()
157 			return -EIO;  in tpm_nsc_recv()
161 		*p = inb(priv->base + NSC_DATA);  in tpm_nsc_recv()
166 		dev_err(&chip->dev, "F0 not set\n");  in tpm_nsc_recv()
167 		return -EIO;  in tpm_nsc_recv()
170 	data = inb(priv->base + NSC_DATA);  in tpm_nsc_recv()
172 		dev_err(&chip->dev,  in tpm_nsc_recv()
174 		return -EIO;  in tpm_nsc_recv()
181 		return -EIO;  in tpm_nsc_recv()
188 	struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev);  in tpm_nsc_send()
198 	outb(NSC_COMMAND_CANCEL, priv->base + NSC_COMMAND);  in tpm_nsc_send()
201 		return -EIO;  in tpm_nsc_send()
204 		dev_err(&chip->dev, "IBF timeout\n");  in tpm_nsc_send()
205 		return -EIO;  in tpm_nsc_send()
208 	outb(NSC_COMMAND_NORMAL, priv->base + NSC_COMMAND);  in tpm_nsc_send()
210 		dev_err(&chip->dev, "IBR timeout\n");  in tpm_nsc_send()
211 		return -EIO;  in tpm_nsc_send()
216 			dev_err(&chip->dev,  in tpm_nsc_send()
218 			return -EIO;  in tpm_nsc_send()
220 		outb(buf[i], priv->base + NSC_DATA);  in tpm_nsc_send()
224 		dev_err(&chip->dev, "IBF timeout\n");  in tpm_nsc_send()
225 		return -EIO;  in tpm_nsc_send()
227 	outb(NSC_COMMAND_EOC, priv->base + NSC_COMMAND);  in tpm_nsc_send()
234 	struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev);  in tpm_nsc_cancel()
236 	outb(NSC_COMMAND_CANCEL, priv->base + NSC_COMMAND);  in tpm_nsc_cancel()
241 	struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev);  in tpm_nsc_status()
243 	return inb(priv->base + NSC_STATUS);  in tpm_nsc_status()
266 	struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev);  in tpm_nsc_remove()
269 	release_region(priv->base, 2);  in tpm_nsc_remove()
307 			return -ENODEV;  in init_nsc()
318 	/* enable the DPM module */  in init_nsc()
321 	pdev = platform_device_alloc("tpm_nscl0", -1);  in init_nsc()
323 		rc = -ENOMEM;  in init_nsc()
327 	pdev->num_resources = 0;  in init_nsc()
328 	pdev->dev.driver = &nsc_drv.driver;  in init_nsc()
329 	pdev->dev.release = tpm_nsc_remove;  in init_nsc()
334 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);  in init_nsc()
336 		rc = -ENOMEM;  in init_nsc()
340 	priv->base = base;  in init_nsc()
343 		rc = -EBUSY;  in init_nsc()
347 	chip = tpmm_chip_alloc(&pdev->dev, &tpm_nsc);  in init_nsc()
349 		rc = -ENODEV;  in init_nsc()
353 	dev_set_drvdata(&chip->dev, priv);  in init_nsc()
359 	dev_dbg(&pdev->dev, "NSC TPM detected\n");  in init_nsc()
360 	dev_dbg(&pdev->dev,  in init_nsc()
364 	dev_dbg(&pdev->dev,  in init_nsc()
368 	dev_dbg(&pdev->dev, "NSC IO Base0 0x%x\n",  in init_nsc()
370 	dev_dbg(&pdev->dev, "NSC IO Base1 0x%x\n",  in init_nsc()
372 	dev_dbg(&pdev->dev, "NSC Interrupt number and wakeup 0x%x\n",  in init_nsc()
374 	dev_dbg(&pdev->dev, "NSC IRQ type select 0x%x\n",  in init_nsc()
376 	dev_dbg(&pdev->dev,  in init_nsc()
379 	dev_dbg(&pdev->dev,  in init_nsc()
388 	dev_info(&pdev->dev,  in init_nsc()
408 		tpm_nsc_remove(&pdev->dev);  in cleanup_nsc()