3  * ddbridge-ci.c: Digital Devices bridge CI (DuoFlex, CI Bridge) support
12 #include "ddbridge-ci.h"
18 /* Octopus CI internal CI interface */
20 static int wait_ci_ready(struct ddb_ci *ci)  in wait_ci_ready()  argument
26 		if (ddbreadl(ci->port->dev,  in wait_ci_ready()
27 			     CI_CONTROL(ci->nr)) & CI_READY)  in wait_ci_ready()
39 	struct ddb_ci *ci = ca->data;  in read_attribute_mem()  local
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()
46 	wait_ci_ready(ci);  in read_attribute_mem()
47 	val = 0xff & ddbreadl(ci->port->dev, CI_BUFFER(ci->nr) + off);  in read_attribute_mem()
54 	struct ddb_ci *ci = ca->data;  in write_attribute_mem()  local
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()
58 	wait_ci_ready(ci);  in write_attribute_mem()
66 	struct ddb_ci *ci = ca->data;  in read_cam_control()  local
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()
86 	struct ddb_ci *ci = ca->data;  in write_cam_control()  local
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()
90 	wait_ci_ready(ci);  in write_cam_control()
96 	struct ddb_ci *ci = ca->data;  in slot_reset()  local
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()  local
115 	ddbwritel(ci->port->dev, 0, CI_CONTROL(ci->nr));  in slot_shutdown()
122 	struct ddb_ci *ci = ca->data;  in slot_ts_enable()  local
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()  local
133 	u32 val = ddbreadl(ci->port->dev, CI_CONTROL(ci->nr));  in poll_slot_status()
156 	struct ddb_ci *ci;  in ci_attach()  local
158 	ci = kzalloc(sizeof(*ci), GFP_KERNEL);  in ci_attach()
159 	if (!ci)  in ci_attach()
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()
165 	ci->port = port;  in ci_attach()
166 	ci->nr = port->nr - 2;  in ci_attach()
169 /* DuoFlex Dual CI support */
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()
183 	struct ddb_ci *ci = ca->data;  in read_attribute_mem_xo2()  local
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()
196 	struct ddb_ci *ci = ca->data;  in write_attribute_mem_xo2()  local
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()
206 	struct ddb_ci *ci = ca->data;  in read_cam_control_xo2()  local
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()
219 	struct ddb_ci *ci = ca->data;  in write_cam_control_xo2()  local
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()
228 	struct ddb_ci *ci = ca->data;  in slot_reset_xo2()  local
230 	dev_dbg(ci->port->dev->dev, "%s\n", __func__);  in slot_reset_xo2()
231 	write_creg(ci, 0x01, 0x01);  in slot_reset_xo2()
232 	write_creg(ci, 0x04, 0x04);  in slot_reset_xo2()
234 	write_creg(ci, 0x02, 0x02);  in slot_reset_xo2()
235 	write_creg(ci, 0x00, 0x04);  in slot_reset_xo2()
236 	write_creg(ci, 0x18, 0x18);  in slot_reset_xo2()
242 	struct ddb_ci *ci = ca->data;  in slot_shutdown_xo2()  local
244 	dev_dbg(ci->port->dev->dev, "%s\n", __func__);  in slot_shutdown_xo2()
245 	write_creg(ci, 0x10, 0xff);  in slot_shutdown_xo2()
246 	write_creg(ci, 0x08, 0x08);  in slot_shutdown_xo2()
252 	struct ddb_ci *ci = ca->data;  in slot_ts_enable_xo2()  local
254 	dev_dbg(ci->port->dev->dev, "%s\n", __func__);  in slot_ts_enable_xo2()
255 	write_creg(ci, 0x00, 0x10);  in slot_ts_enable_xo2()
261 	struct ddb_ci *ci = ca->data;  in poll_slot_status_xo2()  local
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()
289 	struct ddb_ci *ci;  in ci_xo2_attach()  local
291 	ci = kzalloc(sizeof(*ci), GFP_KERNEL);  in ci_xo2_attach()
292 	if (!ci)  in ci_xo2_attach()
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()
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()
301 	write_creg(ci, 0x10, 0xff);  in ci_xo2_attach()
302 	write_creg(ci, 0x08, 0x08);  in ci_xo2_attach()