78 	void			(*write_data)(struct altera_cvp_conf *conf,
88 	void	(*switch_clk)(struct altera_cvp_conf *conf);
89 	int	(*clear_state)(struct altera_cvp_conf *conf);
96 static int altera_read_config_byte(struct altera_cvp_conf *conf,  in altera_read_config_byte()  argument
99 	return pci_read_config_byte(conf->pci_dev, conf->vsec_offset + where,  in altera_read_config_byte()
103 static int altera_read_config_dword(struct altera_cvp_conf *conf,  in altera_read_config_dword()  argument
106 	return pci_read_config_dword(conf->pci_dev, conf->vsec_offset + where,  in altera_read_config_dword()
110 static int altera_write_config_dword(struct altera_cvp_conf *conf,  in altera_write_config_dword()  argument
113 	return pci_write_config_dword(conf->pci_dev, conf->vsec_offset + where,  in altera_write_config_dword()
119 	struct altera_cvp_conf *conf = mgr->priv;  in altera_cvp_state()  local
122 	altera_read_config_dword(conf, VSE_CVP_STATUS, &status);  in altera_cvp_state()
133 static void altera_cvp_write_data_iomem(struct altera_cvp_conf *conf, u32 val)  in altera_cvp_write_data_iomem()  argument
135 	writel(val, conf->map);  in altera_cvp_write_data_iomem()
138 static void altera_cvp_write_data_config(struct altera_cvp_conf *conf, u32 val)  in altera_cvp_write_data_config()  argument
140 	pci_write_config_dword(conf->pci_dev, conf->vsec_offset + VSE_CVP_DATA,  in altera_cvp_write_data_config()
145 static void altera_cvp_dummy_write(struct altera_cvp_conf *conf)  in altera_cvp_dummy_write()  argument
151 	altera_read_config_dword(conf, VSE_CVP_MODE_CTRL, &val);  in altera_cvp_dummy_write()
154 	altera_write_config_dword(conf, VSE_CVP_MODE_CTRL, val);  in altera_cvp_dummy_write()
157 		conf->write_data(conf, 0); /* dummy data, could be any value */  in altera_cvp_dummy_write()
160 static int altera_cvp_wait_status(struct altera_cvp_conf *conf, u32 status_mask,  in altera_cvp_wait_status()  argument
171 		altera_read_config_dword(conf, VSE_CVP_STATUS, &val);  in altera_cvp_wait_status()
184 	struct altera_cvp_conf *conf = mgr->priv;  in altera_cvp_chk_error()  local
189 	ret = altera_read_config_dword(conf, VSE_CVP_STATUS, &val);  in altera_cvp_chk_error()
204 static int altera_cvp_v2_clear_state(struct altera_cvp_conf *conf)  in altera_cvp_v2_clear_state()  argument
210 	ret = altera_read_config_dword(conf, VSE_CVP_PROG_CTRL, &val);  in altera_cvp_v2_clear_state()
212 		dev_err(&conf->pci_dev->dev,  in altera_cvp_v2_clear_state()
218 	ret = altera_write_config_dword(conf, VSE_CVP_PROG_CTRL, val);  in altera_cvp_v2_clear_state()
220 		dev_err(&conf->pci_dev->dev,  in altera_cvp_v2_clear_state()
225 	return altera_cvp_wait_status(conf, VSE_CVP_STATUS_CFG_RDY, 0,  in altera_cvp_v2_clear_state()
226 				      conf->priv->poll_time_us);  in altera_cvp_v2_clear_state()
233 	struct altera_cvp_conf *conf = mgr->priv;  in altera_cvp_v2_wait_for_credit()  local
238 		ret = altera_read_config_byte(conf, VSE_CVP_TX_CREDITS, &val);  in altera_cvp_v2_wait_for_credit()
240 			dev_err(&conf->pci_dev->dev,  in altera_cvp_v2_wait_for_credit()
246 		if (val - (u8)conf->sent_packets)  in altera_cvp_v2_wait_for_credit()
251 			dev_err(&conf->pci_dev->dev,  in altera_cvp_v2_wait_for_credit()
253 				val, conf->sent_packets);  in altera_cvp_v2_wait_for_credit()
261 	dev_err(&conf->pci_dev->dev, "Timeout waiting for credit\n");  in altera_cvp_v2_wait_for_credit()
265 static int altera_cvp_send_block(struct altera_cvp_conf *conf,  in altera_cvp_send_block()  argument
272 		conf->write_data(conf, *data++);  in altera_cvp_send_block()
279 			conf->write_data(conf, *data & mask);  in altera_cvp_send_block()
288 	struct altera_cvp_conf *conf = mgr->priv;  in altera_cvp_teardown()  local
293 	altera_read_config_dword(conf, VSE_CVP_PROG_CTRL, &val);  in altera_cvp_teardown()
295 	altera_write_config_dword(conf, VSE_CVP_PROG_CTRL, val);  in altera_cvp_teardown()
299 	altera_write_config_dword(conf, VSE_CVP_PROG_CTRL, val);  in altera_cvp_teardown()
306 	if (conf->priv->switch_clk)  in altera_cvp_teardown()
307 		conf->priv->switch_clk(conf);  in altera_cvp_teardown()
310 	ret = altera_cvp_wait_status(conf, VSE_CVP_STATUS_CFG_RDY, 0,  in altera_cvp_teardown()
311 				     conf->priv->poll_time_us);  in altera_cvp_teardown()
322 	struct altera_cvp_conf *conf = mgr->priv;  in altera_cvp_write_init()  local
335 		conf->numclks = 8; /* ratio for all compressed images */  in altera_cvp_write_init()
337 		conf->numclks = 4; /* for uncompressed and encrypted images */  in altera_cvp_write_init()
339 		conf->numclks = 1; /* for uncompressed and unencrypted images */  in altera_cvp_write_init()
342 	altera_read_config_dword(conf, VSE_CVP_STATUS, &val);  in altera_cvp_write_init()
360 	altera_read_config_dword(conf, VSE_CVP_MODE_CTRL, &val);  in altera_cvp_write_init()
362 	altera_write_config_dword(conf, VSE_CVP_MODE_CTRL, val);  in altera_cvp_write_init()
365 	altera_read_config_dword(conf, VSE_CVP_MODE_CTRL, &val);  in altera_cvp_write_init()
367 	altera_write_config_dword(conf, VSE_CVP_MODE_CTRL, val);  in altera_cvp_write_init()
373 	if (conf->priv->switch_clk)  in altera_cvp_write_init()
374 		conf->priv->switch_clk(conf);  in altera_cvp_write_init()
376 	if (conf->priv->clear_state) {  in altera_cvp_write_init()
377 		ret = conf->priv->clear_state(conf);  in altera_cvp_write_init()
384 	conf->sent_packets = 0;  in altera_cvp_write_init()
387 	altera_read_config_dword(conf, VSE_CVP_PROG_CTRL, &val);  in altera_cvp_write_init()
390 	altera_write_config_dword(conf, VSE_CVP_PROG_CTRL, val);  in altera_cvp_write_init()
393 	ret = altera_cvp_wait_status(conf, VSE_CVP_STATUS_CFG_RDY,  in altera_cvp_write_init()
395 				     conf->priv->poll_time_us);  in altera_cvp_write_init()
405 	if (conf->priv->switch_clk)  in altera_cvp_write_init()
406 		conf->priv->switch_clk(conf);  in altera_cvp_write_init()
417 	altera_read_config_dword(conf, VSE_CVP_PROG_CTRL, &val);  in altera_cvp_write_init()
419 	altera_write_config_dword(conf, VSE_CVP_PROG_CTRL, val);  in altera_cvp_write_init()
422 	if (conf->priv->switch_clk) {  in altera_cvp_write_init()
423 		altera_read_config_dword(conf, VSE_CVP_MODE_CTRL, &val);  in altera_cvp_write_init()
425 		val |= conf->numclks << VSE_CVP_MODE_CTRL_NUMCLKS_OFF;  in altera_cvp_write_init()
426 		altera_write_config_dword(conf, VSE_CVP_MODE_CTRL, val);  in altera_cvp_write_init()
434 	struct altera_cvp_conf *conf = mgr->priv;  in altera_cvp_write()  local
446 		if (conf->priv->wait_credit) {  in altera_cvp_write()
447 			status = conf->priv->wait_credit(mgr, done);  in altera_cvp_write()
449 				dev_err(&conf->pci_dev->dev,  in altera_cvp_write()
455 		len = min(conf->priv->block_size, remaining);  in altera_cvp_write()
456 		altera_cvp_send_block(conf, data, len);  in altera_cvp_write()
460 		conf->sent_packets++;  in altera_cvp_write()
487 	struct altera_cvp_conf *conf = mgr->priv;  in altera_cvp_write_complete()  local
496 	altera_read_config_dword(conf, VSE_UNCOR_ERR_STATUS, &val);  in altera_cvp_write_complete()
503 	altera_read_config_dword(conf, VSE_CVP_MODE_CTRL, &val);  in altera_cvp_write_complete()
506 	altera_write_config_dword(conf, VSE_CVP_MODE_CTRL, val);  in altera_cvp_write_complete()
510 	ret = altera_cvp_wait_status(conf, mask, mask,  in altera_cvp_write_complete()
511 				     conf->priv->user_time_us);  in altera_cvp_write_complete()
579 	struct altera_cvp_conf *conf;  in altera_cvp_probe()  local
611 	conf = devm_kzalloc(&pdev->dev, sizeof(*conf), GFP_KERNEL);  in altera_cvp_probe()
612 	if (!conf)  in altera_cvp_probe()
615 	conf->vsec_offset = offset;  in altera_cvp_probe()
638 	conf->pci_dev = pdev;  in altera_cvp_probe()
639 	conf->write_data = altera_cvp_write_data_iomem;  in altera_cvp_probe()
641 	if (conf->vsec_offset == V1_VSEC_OFFSET)  in altera_cvp_probe()
642 		conf->priv = &cvp_priv_v1;  in altera_cvp_probe()
644 		conf->priv = &cvp_priv_v2;  in altera_cvp_probe()
646 	conf->map = pci_iomap(pdev, CVP_BAR, 0);  in altera_cvp_probe()
647 	if (!conf->map) {  in altera_cvp_probe()
649 		conf->write_data = altera_cvp_write_data_config;  in altera_cvp_probe()
652 	snprintf(conf->mgr_name, sizeof(conf->mgr_name), "%s @%s",  in altera_cvp_probe()
655 	mgr = fpga_mgr_register(&pdev->dev, conf->mgr_name,  in altera_cvp_probe()
656 				&altera_cvp_ops, conf);  in altera_cvp_probe()
667 	if (conf->map)  in altera_cvp_probe()
668 		pci_iounmap(pdev, conf->map);  in altera_cvp_probe()
679 	struct altera_cvp_conf *conf = mgr->priv;  in altera_cvp_remove()  local
683 	if (conf->map)  in altera_cvp_remove()
684 		pci_iounmap(pdev, conf->map);  in altera_cvp_remove()