pci/ddbridge/ddbridge-ci.c

3  * ddbridge-ci.c: Digital Devices bridge CI (DuoFlex, CI Bridge) support
12 #include "ddbridge-ci.h"
20 static int wait_ci_ready(struct ddb_ci *ci)
26 		if (ddbreadl(ci->port->dev,
27 			     CI_CONTROL(ci->nr)) & CI_READY)
39 	struct ddb_ci *ci = ca->data;
44 	ddbwritel(ci->port->dev, CI_READ_CMD | (1 << 16) | address,
45 		  CI_DO_READ_ATTRIBUTES(ci->nr));
46 	wait_ci_ready(ci);
47 	val = 0xff & ddbreadl(ci->port->dev, CI_BUFFER(ci->nr) + off);
54 	struct ddb_ci *ci = ca->data;
56 	ddbwritel(ci->port->dev, CI_WRITE_CMD | (value << 16) | address,
57 		  CI_DO_ATTRIBUTE_RW(ci->nr));
58 	wait_ci_ready(ci);
66 	struct ddb_ci *ci = ca->data;
69 	ddbwritel(ci->port->dev, CI_READ_CMD | address,
70 		  CI_DO_IO_RW(ci->nr));
73 		res = ddbreadl(ci->port->dev, CI_READDATA(ci->nr));
86 	struct ddb_ci *ci = ca->data;
88 	ddbwritel(ci->port->dev, CI_WRITE_CMD | (value << 16) | address,
89 		  CI_DO_IO_RW(ci->nr));
90 	wait_ci_ready(ci);
96 	struct ddb_ci *ci = ca->data;
98 	ddbwritel(ci->port->dev, CI_POWER_ON,
99 		  CI_CONTROL(ci->nr));
101 	ddbwritel(ci->port->dev, CI_POWER_ON | CI_RESET_CAM,
102 		  CI_CONTROL(ci->nr));
103 	ddbwritel(ci->port->dev, CI_ENABLE | CI_POWER_ON | CI_RESET_CAM,
104 		  CI_CONTROL(ci->nr));
106 	ddbwritel(ci->port->dev, CI_ENABLE | CI_POWER_ON,
107 		  CI_CONTROL(ci->nr));
113 	struct ddb_ci *ci = ca->data;
115 	ddbwritel(ci->port->dev, 0, CI_CONTROL(ci->nr));
122 	struct ddb_ci *ci = ca->data;
123 	u32 val = ddbreadl(ci->port->dev, CI_CONTROL(ci->nr));
125 	ddbwritel(ci->port->dev, val | CI_BYPASS_DISABLE,
126 		  CI_CONTROL(ci->nr));
132 	struct ddb_ci *ci = ca->data;
133 	u32 val = ddbreadl(ci->port->dev, CI_CONTROL(ci->nr));
156 	struct ddb_ci *ci;
158 	ci = kzalloc(sizeof(*ci), GFP_KERNEL);
159 	if (!ci)
161 	memcpy(&ci->en, &en_templ, sizeof(en_templ));
162 	ci->en.data = ci;
163 	port->en = &ci->en;
165 	ci->port = port;
166 	ci->nr = port->nr - 2;
171 static int write_creg(struct ddb_ci *ci, u8 data, u8 mask)
173 	struct i2c_adapter *i2c = &ci->port->i2c->adap;
174 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
176 	ci->port->creg = (ci->port->creg & ~mask) | data;
177 	return i2c_write_reg(i2c, adr, 0x02, ci->port->creg);
183 	struct ddb_ci *ci = ca->data;
184 	struct i2c_adapter *i2c = &ci->port->i2c->adap;
185 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
196 	struct ddb_ci *ci = ca->data;
197 	struct i2c_adapter *i2c = &ci->port->i2c->adap;
198 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
206 	struct ddb_ci *ci = ca->data;
207 	struct i2c_adapter *i2c = &ci->port->i2c->adap;
208 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
219 	struct ddb_ci *ci = ca->data;
220 	struct i2c_adapter *i2c = &ci->port->i2c->adap;
221 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
228 	struct ddb_ci *ci = ca->data;
230 	dev_dbg(ci->port->dev->dev, "%s\n", __func__);
231 	write_creg(ci, 0x01, 0x01);
232 	write_creg(ci, 0x04, 0x04);
234 	write_creg(ci, 0x02, 0x02);
235 	write_creg(ci, 0x00, 0x04);
236 	write_creg(ci, 0x18, 0x18);
242 	struct ddb_ci *ci = ca->data;
244 	dev_dbg(ci->port->dev->dev, "%s\n", __func__);
245 	write_creg(ci, 0x10, 0xff);
246 	write_creg(ci, 0x08, 0x08);
252 	struct ddb_ci *ci = ca->data;
254 	dev_dbg(ci->port->dev->dev, "%s\n", __func__);
255 	write_creg(ci, 0x00, 0x10);
261 	struct ddb_ci *ci = ca->data;
262 	struct i2c_adapter *i2c = &ci->port->i2c->adap;
263 	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
289 	struct ddb_ci *ci;
291 	ci = kzalloc(sizeof(*ci), GFP_KERNEL);
292 	if (!ci)
294 	memcpy(&ci->en, &en_xo2_templ, sizeof(en_xo2_templ));
295 	ci->en.data = ci;
296 	port->en = &ci->en;
298 	ci->port = port;
299 	ci->nr = port->nr - 2;
300 	ci->port->creg = 0;
301 	write_creg(ci, 0x10, 0xff);
302 	write_creg(ci, 0x08, 0x08);