1 // SPDX-License-Identifier: GPL-2.0-or-later
5  * DVB CAM support for NetUP Universal Dual DVB-CI
43 /* BIT_CAM_BYPASS bit shift for SLOT 1 */
48 	writew(0x101, ndev->bmmio0 + CAM_CTRLSTAT_CLR);  in netup_ci_interrupt()
55 	struct netup_ci_state *state = en50221->data;  in netup_unidvb_ci_slot_ts_ctl()
56 	struct netup_unidvb_dev *dev = state->dev;  in netup_unidvb_ci_slot_ts_ctl()
57 	u16 shift = (state->nr == 1) ? CAM1_SHIFT : 0;  in netup_unidvb_ci_slot_ts_ctl()  local
59 	dev_dbg(&dev->pci_dev->dev, "%s(): CAM_CTRLSTAT=0x%x\n",  in netup_unidvb_ci_slot_ts_ctl()
60 		__func__, readw(dev->bmmio0 + CAM_CTRLSTAT_READ_SET));  in netup_unidvb_ci_slot_ts_ctl()
62 		return -EINVAL;  in netup_unidvb_ci_slot_ts_ctl()
63 	/* pass data to CAM module */  in netup_unidvb_ci_slot_ts_ctl()
64 	writew(BIT_CAM_BYPASS << shift, dev->bmmio0 + CAM_CTRLSTAT_CLR);  in netup_unidvb_ci_slot_ts_ctl()
65 	dev_dbg(&dev->pci_dev->dev, "%s(): CAM_CTRLSTAT=0x%x done\n",  in netup_unidvb_ci_slot_ts_ctl()
66 		__func__, readw(dev->bmmio0 + CAM_CTRLSTAT_READ_SET));  in netup_unidvb_ci_slot_ts_ctl()
73 	struct netup_ci_state *state = en50221->data;  in netup_unidvb_ci_slot_shutdown()
74 	struct netup_unidvb_dev *dev = state->dev;  in netup_unidvb_ci_slot_shutdown()
76 	dev_dbg(&dev->pci_dev->dev, "%s()\n", __func__);  in netup_unidvb_ci_slot_shutdown()
83 	struct netup_ci_state *state = en50221->data;  in netup_unidvb_ci_slot_reset()
84 	struct netup_unidvb_dev *dev = state->dev;  in netup_unidvb_ci_slot_reset()
86 	u16 shift = (state->nr == 1) ? CAM1_SHIFT : 0;  in netup_unidvb_ci_slot_reset()  local
90 	dev_dbg(&dev->pci_dev->dev, "%s(): CAM_CTRLSTAT_READ_SET=0x%x\n",  in netup_unidvb_ci_slot_reset()
91 		__func__, readw(dev->bmmio0 + CAM_CTRLSTAT_READ_SET));  in netup_unidvb_ci_slot_reset()
95 	writew(BIT_CAM_RESET << shift, dev->bmmio0 + CAM_CTRLSTAT_READ_SET);  in netup_unidvb_ci_slot_reset()
96 	dev_dbg(&dev->pci_dev->dev, "%s(): waiting for reset\n", __func__);  in netup_unidvb_ci_slot_reset()
99 		ci_stat = readw(dev->bmmio0 + CAM_CTRLSTAT_READ_SET);  in netup_unidvb_ci_slot_reset()
100 		if (ci_stat & (BIT_CAM_READY << shift))  in netup_unidvb_ci_slot_reset()
104 	if (!(ci_stat & (BIT_CAM_READY << shift)) && reset_counter > 0) {  in netup_unidvb_ci_slot_reset()
105 		dev_dbg(&dev->pci_dev->dev,  in netup_unidvb_ci_slot_reset()
108 		reset_counter--;  in netup_unidvb_ci_slot_reset()
117 	struct netup_ci_state *state = en50221->data;  in netup_unidvb_poll_ci_slot_status()
118 	struct netup_unidvb_dev *dev = state->dev;  in netup_unidvb_poll_ci_slot_status()
119 	u16 shift = (state->nr == 1) ? CAM1_SHIFT : 0;  in netup_unidvb_poll_ci_slot_status()  local
122 	dev_dbg(&dev->pci_dev->dev, "%s(): CAM_CTRLSTAT_READ_SET=0x%x\n",  in netup_unidvb_poll_ci_slot_status()
123 		__func__, readw(dev->bmmio0 + CAM_CTRLSTAT_READ_SET));  in netup_unidvb_poll_ci_slot_status()
124 	ci_stat = readw(dev->bmmio0 + CAM_CTRLSTAT_READ_SET);  in netup_unidvb_poll_ci_slot_status()
125 	if (ci_stat & (BIT_CAM_READY << shift)) {  in netup_unidvb_poll_ci_slot_status()
126 		state->status = DVB_CA_EN50221_POLL_CAM_PRESENT |  in netup_unidvb_poll_ci_slot_status()
128 	} else if (ci_stat & (BIT_CAM_PRESENT << shift)) {  in netup_unidvb_poll_ci_slot_status()
129 		state->status = DVB_CA_EN50221_POLL_CAM_PRESENT;  in netup_unidvb_poll_ci_slot_status()
131 		state->status = 0;  in netup_unidvb_poll_ci_slot_status()
133 	return state->status;  in netup_unidvb_poll_ci_slot_status()
139 	struct netup_ci_state *state = en50221->data;  in netup_unidvb_ci_read_attribute_mem()
140 	struct netup_unidvb_dev *dev = state->dev;  in netup_unidvb_ci_read_attribute_mem()
141 	u8 val = *((u8 __force *)state->membase8_config + addr);  in netup_unidvb_ci_read_attribute_mem()
143 	dev_dbg(&dev->pci_dev->dev,  in netup_unidvb_ci_read_attribute_mem()
149 					       int slot, int addr, u8 data)  in netup_unidvb_ci_write_attribute_mem()  argument
151 	struct netup_ci_state *state = en50221->data;  in netup_unidvb_ci_write_attribute_mem()
152 	struct netup_unidvb_dev *dev = state->dev;  in netup_unidvb_ci_write_attribute_mem()
154 	dev_dbg(&dev->pci_dev->dev,  in netup_unidvb_ci_write_attribute_mem()
155 		"%s(): addr=0x%x data=0x%x\n", __func__, addr, data);  in netup_unidvb_ci_write_attribute_mem()
156 	*((u8 __force *)state->membase8_config + addr) = data;  in netup_unidvb_ci_write_attribute_mem()
163 	struct netup_ci_state *state = en50221->data;  in netup_unidvb_ci_read_cam_ctl()
164 	struct netup_unidvb_dev *dev = state->dev;  in netup_unidvb_ci_read_cam_ctl()
165 	u8 val = *((u8 __force *)state->membase8_io + addr);  in netup_unidvb_ci_read_cam_ctl()
167 	dev_dbg(&dev->pci_dev->dev,  in netup_unidvb_ci_read_cam_ctl()
173 					 int slot, u8 addr, u8 data)  in netup_unidvb_ci_write_cam_ctl()  argument
175 	struct netup_ci_state *state = en50221->data;  in netup_unidvb_ci_write_cam_ctl()
176 	struct netup_unidvb_dev *dev = state->dev;  in netup_unidvb_ci_write_cam_ctl()
178 	dev_dbg(&dev->pci_dev->dev,  in netup_unidvb_ci_write_cam_ctl()
179 		"%s(): addr=0x%x data=0x%x\n", __func__, addr, data);  in netup_unidvb_ci_write_cam_ctl()
180 	*((u8 __force *)state->membase8_io + addr) = data;  in netup_unidvb_ci_write_cam_ctl()
191 		dev_err(&pci_dev->dev, "%s(): invalid CI adapter %d\n",  in netup_unidvb_ci_register()
193 		return -EINVAL;  in netup_unidvb_ci_register()
195 	state = &dev->ci[num];  in netup_unidvb_ci_register()
196 	state->nr = num;  in netup_unidvb_ci_register()
197 	state->membase8_config = dev->bmmio1 +  in netup_unidvb_ci_register()
199 	state->membase8_io = dev->bmmio1 +  in netup_unidvb_ci_register()
201 	state->dev = dev;  in netup_unidvb_ci_register()
202 	state->ca.owner = THIS_MODULE;  in netup_unidvb_ci_register()
203 	state->ca.read_attribute_mem = netup_unidvb_ci_read_attribute_mem;  in netup_unidvb_ci_register()
204 	state->ca.write_attribute_mem = netup_unidvb_ci_write_attribute_mem;  in netup_unidvb_ci_register()
205 	state->ca.read_cam_control = netup_unidvb_ci_read_cam_ctl;  in netup_unidvb_ci_register()
206 	state->ca.write_cam_control = netup_unidvb_ci_write_cam_ctl;  in netup_unidvb_ci_register()
207 	state->ca.slot_reset = netup_unidvb_ci_slot_reset;  in netup_unidvb_ci_register()
208 	state->ca.slot_shutdown = netup_unidvb_ci_slot_shutdown;  in netup_unidvb_ci_register()
209 	state->ca.slot_ts_enable = netup_unidvb_ci_slot_ts_ctl;  in netup_unidvb_ci_register()
210 	state->ca.poll_slot_status = netup_unidvb_poll_ci_slot_status;  in netup_unidvb_ci_register()
211 	state->ca.data = state;  in netup_unidvb_ci_register()
212 	result = dvb_ca_en50221_init(&dev->frontends[num].adapter,  in netup_unidvb_ci_register()
213 		&state->ca, 0, 1);  in netup_unidvb_ci_register()
215 		dev_err(&pci_dev->dev,  in netup_unidvb_ci_register()
220 	writew(NETUP_UNIDVB_IRQ_CI, dev->bmmio0 + REG_IMASK_SET);  in netup_unidvb_ci_register()
221 	dev_info(&pci_dev->dev,  in netup_unidvb_ci_register()
230 	dev_dbg(&dev->pci_dev->dev, "%s()\n", __func__);  in netup_unidvb_ci_unregister()
232 		dev_err(&dev->pci_dev->dev, "%s(): invalid CI adapter %d\n",  in netup_unidvb_ci_unregister()
236 	state = &dev->ci[num];  in netup_unidvb_ci_unregister()
237 	dvb_ca_en50221_release(&state->ca);  in netup_unidvb_ci_unregister()