1 // SPDX-License-Identifier: GPL-2.0-or-later
8  * DVB-S2 CI card (cimax2) with following copyrights:
20 	struct i2c_client *client = s->client;  in sp2_read_i2c()
21 	struct i2c_adapter *adap = client->adapter;  in sp2_read_i2c()
24 			.addr = client->addr,  in sp2_read_i2c()
29 			.addr = client->addr,  in sp2_read_i2c()
39 		dev_err(&client->dev, "i2c read error, reg = 0x%02x, status = %d\n",  in sp2_read_i2c()
44 			return -EIO;  in sp2_read_i2c()
47 	dev_dbg(&s->client->dev, "addr=0x%04x, reg = 0x%02x, data = %02x\n",  in sp2_read_i2c()
48 				client->addr, reg, buf[0]);  in sp2_read_i2c()
57 	struct i2c_client *client = s->client;  in sp2_write_i2c()
58 	struct i2c_adapter *adap = client->adapter;  in sp2_write_i2c()
60 		.addr = client->addr,  in sp2_write_i2c()
67 		dev_err(&client->dev, "i2c wr reg=%02x: len=%d is too big!\n",  in sp2_write_i2c()
69 		return -EINVAL;  in sp2_write_i2c()
78 		dev_err(&client->dev, "i2c write error, reg = 0x%02x, status = %d\n",  in sp2_write_i2c()
83 			return -EIO;  in sp2_write_i2c()
86 	dev_dbg(&s->client->dev, "addr=0x%04x, reg = 0x%02x, data = %*ph\n",  in sp2_write_i2c()
87 				client->addr, reg, len, buf);  in sp2_write_i2c()
95 	struct sp2 *s = en50221->data;  in sp2_ci_op_cam()
98 	int (*ci_op_cam)(void*, u8, int, u8, int*) = s->ci_control;  in sp2_ci_op_cam()
101 		return -EINVAL;  in sp2_ci_op_cam()
107 	if (s->module_access_type != acs) {  in sp2_ci_op_cam()
121 	s->module_access_type = acs;  in sp2_ci_op_cam()
125 		ret = ci_op_cam(s->priv, read, addr, data, &mem);  in sp2_ci_op_cam()
127 		dev_err(&s->client->dev, "callback not defined");  in sp2_ci_op_cam()
128 		return -EINVAL;  in sp2_ci_op_cam()
134 	dev_dbg(&s->client->dev, "%s: slot=%d, addr=0x%04x, %s, data=%x",  in sp2_ci_op_cam()
176 	struct sp2 *s = en50221->data;  in sp2_ci_slot_reset()
180 	dev_dbg(&s->client->dev, "slot: %d\n", slot);  in sp2_ci_slot_reset()
183 		return -EINVAL;  in sp2_ci_slot_reset()
208 	struct sp2 *s = en50221->data;  in sp2_ci_slot_shutdown()
210 	dev_dbg(&s->client->dev, "slot:%d\n", slot);  in sp2_ci_slot_shutdown()
218 	struct sp2 *s = en50221->data;  in sp2_ci_slot_ts_enable()
221 	dev_dbg(&s->client->dev, "slot:%d\n", slot);  in sp2_ci_slot_ts_enable()
224 		return -EINVAL;  in sp2_ci_slot_ts_enable()
236 	struct sp2 *s = en50221->data;  in sp2_ci_poll_slot_status()
240 	dev_dbg(&s->client->dev, "slot:%d open:%d\n", slot, open);  in sp2_ci_poll_slot_status()
246 	if (time_after(jiffies, s->next_status_checked_time)) {  in sp2_ci_poll_slot_status()
248 		s->next_status_checked_time = jiffies +	msecs_to_jiffies(1000);  in sp2_ci_poll_slot_status()
254 			s->status = DVB_CA_EN50221_POLL_CAM_PRESENT |  in sp2_ci_poll_slot_status()
257 			s->status = 0;  in sp2_ci_poll_slot_status()
260 	return s->status;  in sp2_ci_poll_slot_status()
269 		0x00, /* auto select mask high A */  in sp2_init()
271 		0x00, /* auto select pattern high A */  in sp2_init()
278 		0x00, /* auto select mask high B */  in sp2_init()
280 		0x00, /* auto select pattern high B */  in sp2_init()
286 		0x00, /* auto select mask high Ext */  in sp2_init()
287 		0x00, /* auto select mask low Ext */  in sp2_init()
288 		0x00, /* auto select pattern high Ext */  in sp2_init()
289 		0x00, /* auto select pattern low Ext */  in sp2_init()
291 		0x02, /* destination - module A */  in sp2_init()
296 		0x05, /* EXTINT=active-high, INT=push-pull */  in sp2_init()
298 		0x04, /* ack active low */  in sp2_init()
304 	dev_dbg(&s->client->dev, "\n");  in sp2_init()
306 	s->ca.owner = THIS_MODULE;  in sp2_init()
307 	s->ca.read_attribute_mem = sp2_ci_read_attribute_mem;  in sp2_init()
308 	s->ca.write_attribute_mem = sp2_ci_write_attribute_mem;  in sp2_init()
309 	s->ca.read_cam_control = sp2_ci_read_cam_control;  in sp2_init()
310 	s->ca.write_cam_control = sp2_ci_write_cam_control;  in sp2_init()
311 	s->ca.slot_reset = sp2_ci_slot_reset;  in sp2_init()
312 	s->ca.slot_shutdown = sp2_ci_slot_shutdown;  in sp2_init()
313 	s->ca.slot_ts_enable = sp2_ci_slot_ts_enable;  in sp2_init()
314 	s->ca.poll_slot_status = sp2_ci_poll_slot_status;  in sp2_init()
315 	s->ca.data = s;  in sp2_init()
316 	s->module_access_type = 0;  in sp2_init()
334 	ret = dvb_ca_en50221_init(s->dvb_adap, &s->ca, 0, 1);  in sp2_init()
341 	dev_dbg(&s->client->dev, "init failed=%d\n", ret);  in sp2_init()
349 	dev_dbg(&client->dev, "\n");  in sp2_exit()
358 	if (!s->ca.data)  in sp2_exit()
361 	dvb_ca_en50221_release(&s->ca);  in sp2_exit()
368 	struct sp2_config *cfg = client->dev.platform_data;  in sp2_probe()
372 	dev_dbg(&client->dev, "\n");  in sp2_probe()
376 		ret = -ENOMEM;  in sp2_probe()
380 	s->client = client;  in sp2_probe()
381 	s->dvb_adap = cfg->dvb_adap;  in sp2_probe()
382 	s->priv = cfg->priv;  in sp2_probe()
383 	s->ci_control = cfg->ci_control;  in sp2_probe()
391 	dev_info(&s->client->dev, "CIMaX SP2 successfully attached\n");  in sp2_probe()
394 	dev_dbg(&client->dev, "init failed=%d\n", ret);  in sp2_probe()
404 	dev_dbg(&client->dev, "\n");  in sp2_remove()