1 // SPDX-License-Identifier: GPL-2.0
3  * ddbridge-ci.c: Digital Devices bridge CI (DuoFlex, CI Bridge) support
5  * Copyright (C) 2010-2017 Digital Devices GmbH
11 #include "ddbridge-regs.h"
12 #include "ddbridge-ci.h"
13 #include "ddbridge-io.h"
14 #include "ddbridge-i2c.h"
26 		if (ddbreadl(ci->port->dev,  in wait_ci_ready()
27 			     CI_CONTROL(ci->nr)) & CI_READY)  in wait_ci_ready()
30 		if ((--count) == 0)  in wait_ci_ready()
31 			return -1;  in wait_ci_ready()
37 			      int slot, int address)  in read_attribute_mem()  argument
39 	struct ddb_ci *ci = ca->data;  in read_attribute_mem()
40 	u32 val, off = (address >> 1) & (CI_BUFFER_SIZE - 1);  in read_attribute_mem()
42 	if (address > CI_BUFFER_SIZE)  in read_attribute_mem()
43 		return -1;  in read_attribute_mem()
44 	ddbwritel(ci->port->dev, CI_READ_CMD | (1 << 16) | address,  in read_attribute_mem()
45 		  CI_DO_READ_ATTRIBUTES(ci->nr));  in read_attribute_mem()
47 	val = 0xff & ddbreadl(ci->port->dev, CI_BUFFER(ci->nr) + off);  in read_attribute_mem()
52 			       int address, u8 value)  in write_attribute_mem()  argument
54 	struct ddb_ci *ci = ca->data;  in write_attribute_mem()
56 	ddbwritel(ci->port->dev, CI_WRITE_CMD | (value << 16) | address,  in write_attribute_mem()
57 		  CI_DO_ATTRIBUTE_RW(ci->nr));  in write_attribute_mem()
63 			    int slot, u8 address)  in read_cam_control()  argument
66 	struct ddb_ci *ci = ca->data;  in read_cam_control()
69 	ddbwritel(ci->port->dev, CI_READ_CMD | address,  in read_cam_control()
70 		  CI_DO_IO_RW(ci->nr));  in read_cam_control()
73 		res = ddbreadl(ci->port->dev, CI_READDATA(ci->nr));  in read_cam_control()
77 		if ((--count) == 0)  in read_cam_control()
78 			return -1;  in read_cam_control()
84 			     u8 address, u8 value)  in write_cam_control()  argument
86 	struct ddb_ci *ci = ca->data;  in write_cam_control()
88 	ddbwritel(ci->port->dev, CI_WRITE_CMD | (value << 16) | address,  in write_cam_control()
89 		  CI_DO_IO_RW(ci->nr));  in write_cam_control()
96 	struct ddb_ci *ci = ca->data;  in slot_reset()
98 	ddbwritel(ci->port->dev, CI_POWER_ON,  in slot_reset()
99 		  CI_CONTROL(ci->nr));  in slot_reset()
101 	ddbwritel(ci->port->dev, CI_POWER_ON | CI_RESET_CAM,  in slot_reset()
102 		  CI_CONTROL(ci->nr));  in slot_reset()
103 	ddbwritel(ci->port->dev, CI_ENABLE | CI_POWER_ON | CI_RESET_CAM,  in slot_reset()
104 		  CI_CONTROL(ci->nr));  in slot_reset()
106 	ddbwritel(ci->port->dev, CI_ENABLE | CI_POWER_ON,  in slot_reset()
107 		  CI_CONTROL(ci->nr));  in slot_reset()
113 	struct ddb_ci *ci = ca->data;  in slot_shutdown()
115 	ddbwritel(ci->port->dev, 0, CI_CONTROL(ci->nr));  in slot_shutdown()
122 	struct ddb_ci *ci = ca->data;  in slot_ts_enable()
123 	u32 val = ddbreadl(ci->port->dev, CI_CONTROL(ci->nr));  in slot_ts_enable()
125 	ddbwritel(ci->port->dev, val | CI_BYPASS_DISABLE,  in slot_ts_enable()
126 		  CI_CONTROL(ci->nr));  in slot_ts_enable()
132 	struct ddb_ci *ci = ca->data;  in poll_slot_status()
133 	u32 val = ddbreadl(ci->port->dev, CI_CONTROL(ci->nr));  in poll_slot_status()
161 	memcpy(&ci->en, &en_templ, sizeof(en_templ));  in ci_attach()
162 	ci->en.data = ci;  in ci_attach()
163 	port->en = &ci->en;  in ci_attach()
164 	port->en_freedata = 1;  in ci_attach()
165 	ci->port = port;  in ci_attach()
166 	ci->nr = port->nr - 2;  in ci_attach()
171 static int write_creg(struct ddb_ci *ci, u8 data, u8 mask)  in write_creg()  argument
173 	struct i2c_adapter *i2c = &ci->port->i2c->adap;  in write_creg()
174 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;  in write_creg()
176 	ci->port->creg = (ci->port->creg & ~mask) | data;  in write_creg()
177 	return i2c_write_reg(i2c, adr, 0x02, ci->port->creg);  in write_creg()
181 				  int slot, int address)  in read_attribute_mem_xo2()  argument
183 	struct ddb_ci *ci = ca->data;  in read_attribute_mem_xo2()
184 	struct i2c_adapter *i2c = &ci->port->i2c->adap;  in read_attribute_mem_xo2()
185 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;  in read_attribute_mem_xo2()
189 	res = i2c_read_reg16(i2c, adr, 0x8000 | address, &val);  in read_attribute_mem_xo2()
194 				   int address, u8 value)  in write_attribute_mem_xo2()  argument
196 	struct ddb_ci *ci = ca->data;  in write_attribute_mem_xo2()
197 	struct i2c_adapter *i2c = &ci->port->i2c->adap;  in write_attribute_mem_xo2()
198 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;  in write_attribute_mem_xo2()
200 	return i2c_write_reg16(i2c, adr, 0x8000 | address, value);  in write_attribute_mem_xo2()
204 				int slot, u8 address)  in read_cam_control_xo2()  argument
206 	struct ddb_ci *ci = ca->data;  in read_cam_control_xo2()
207 	struct i2c_adapter *i2c = &ci->port->i2c->adap;  in read_cam_control_xo2()
208 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;  in read_cam_control_xo2()
212 	res = i2c_read_reg(i2c, adr, 0x20 | (address & 3), &val);  in read_cam_control_xo2()
217 				 u8 address, u8 value)  in write_cam_control_xo2()  argument
219 	struct ddb_ci *ci = ca->data;  in write_cam_control_xo2()
220 	struct i2c_adapter *i2c = &ci->port->i2c->adap;  in write_cam_control_xo2()
221 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;  in write_cam_control_xo2()
223 	return i2c_write_reg(i2c, adr, 0x20 | (address & 3), value);  in write_cam_control_xo2()
228 	struct ddb_ci *ci = ca->data;  in slot_reset_xo2()
230 	dev_dbg(ci->port->dev->dev, "%s\n", __func__);  in slot_reset_xo2()
242 	struct ddb_ci *ci = ca->data;  in slot_shutdown_xo2()
244 	dev_dbg(ci->port->dev->dev, "%s\n", __func__);  in slot_shutdown_xo2()
252 	struct ddb_ci *ci = ca->data;  in slot_ts_enable_xo2()
254 	dev_dbg(ci->port->dev->dev, "%s\n", __func__);  in slot_ts_enable_xo2()
261 	struct ddb_ci *ci = ca->data;  in poll_slot_status_xo2()
262 	struct i2c_adapter *i2c = &ci->port->i2c->adap;  in poll_slot_status_xo2()
263 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;  in poll_slot_status_xo2()
294 	memcpy(&ci->en, &en_xo2_templ, sizeof(en_xo2_templ));  in ci_xo2_attach()
295 	ci->en.data = ci;  in ci_xo2_attach()
296 	port->en = &ci->en;  in ci_xo2_attach()
297 	port->en_freedata = 1;  in ci_xo2_attach()
298 	ci->port = port;  in ci_xo2_attach()
299 	ci->nr = port->nr - 2;  in ci_xo2_attach()
300 	ci->port->creg = 0;  in ci_xo2_attach()
318 	cxd_cfg.en = &port->en;  in ci_cxd2099_attach()
320 	client = dvb_module_probe("cxd2099", NULL, &port->i2c->adap,  in ci_cxd2099_attach()
325 	port->dvb[0].i2c_client[0] = client;  in ci_cxd2099_attach()
326 	port->en_freedata = 0;  in ci_cxd2099_attach()
330 	dev_err(port->dev->dev, "CXD2099AR attach failed\n");  in ci_cxd2099_attach()
331 	return -ENODEV;  in ci_cxd2099_attach()
338 	switch (port->type) {  in ddb_ci_attach()
342 			return -ENODEV;  in ddb_ci_attach()
352 		return -ENODEV;  in ddb_ci_attach()
355 	if (!port->en)  in ddb_ci_attach()
356 		return -ENODEV;  in ddb_ci_attach()
357 	dvb_ca_en50221_init(port->dvb[0].adap, port->en, 0, 1);  in ddb_ci_attach()
363 	if (port->dvb[0].dev)  in ddb_ci_detach()
364 		dvb_unregister_device(port->dvb[0].dev);  in ddb_ci_detach()
365 	if (port->en) {  in ddb_ci_detach()
366 		dvb_ca_en50221_release(port->en);  in ddb_ci_detach()
368 		dvb_module_release(port->dvb[0].i2c_client[0]);  in ddb_ci_detach()
369 		port->dvb[0].i2c_client[0] = NULL;  in ddb_ci_detach()
372 		if (port->en_freedata)  in ddb_ci_detach()
373 			kfree(port->en->data);  in ddb_ci_detach()
375 		port->en = NULL;  in ddb_ci_detach()