summaryrefslogtreecommitdiff
path: root/drivers/media/dvb/mantis/mantis_core.c
blob: 8113b23ce448c8261e1bf87157972c9e9754adca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
/*
	Mantis PCI bridge driver

	Copyright (C) Manu Abraham (abraham.manu@gmail.com)

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "mantis_common.h"
#include "mantis_core.h"
#include "mantis_vp1033.h"
#include "mantis_vp1034.h"
#include "mantis_vp1041.h"
#include "mantis_vp2033.h"
#include "mantis_vp2040.h"
#include "mantis_vp3030.h"

static int read_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length)
{
	int err;
	struct i2c_msg msg[] = {
		{
			.addr = 0x50,
			.flags = 0,
			.buf = data,
			.len = 1
		}, {
			.addr = 0x50,
			.flags = I2C_M_RD,
			.buf = data,
			.len = length
		},
	};

	err = i2c_transfer(&mantis->adapter, msg, 2);
	if (err < 0) {
		dprintk(verbose, MANTIS_ERROR, 1,
			"ERROR: i2c read: < err=%i d0=0x%02x d1=0x%02x >",
			err, data[0], data[1]);

		return err;
	}

	return 0;
}

static int write_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length)
{
	int err;

	struct i2c_msg msg = {
		.addr = 0x50,
		.flags = 0,
		.buf = data,
		.len = length
	};

	err = i2c_transfer(&mantis->adapter, &msg, 1);
	if (err < 0) {
		dprintk(verbose, MANTIS_ERROR, 1,
			"ERROR: i2c write: < err=%i length=0x%02x d0=0x%02x, d1=0x%02x >",
			err, length, data[0], data[1]);

		return err;
	}

	return 0;
}

static int get_mac_address(struct mantis_pci *mantis)
{
	int err;

	mantis->mac_address[0] = 0x08;
	err = read_eeprom_byte(mantis, &mantis->mac_address[0], 6);
	if (err < 0) {
		dprintk(verbose, MANTIS_ERROR, 1, "Mantis EEPROM read error");

		return err;
	}
	dprintk(verbose, MANTIS_ERROR, 0,
		"    MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]\n",
		mantis->mac_address[0], mantis->mac_address[1],
		mantis->mac_address[2],	mantis->mac_address[3],
		mantis->mac_address[4], mantis->mac_address[5]);

	return 0;
}

#define MANTIS_MODEL_UNKNOWN	"UNKNOWN"
#define MANTIS_DEV_UNKNOWN	"UNKNOWN"

struct mantis_hwconfig unknown_device = {
	.model_name	= MANTIS_MODEL_UNKNOWN,
	.dev_type	= MANTIS_DEV_UNKNOWN,
};

static void mantis_load_config(struct mantis_pci *mantis)
{
	switch (mantis->subsystem_device) {
	case MANTIS_VP_1033_DVB_S:	/* VP-1033 */
		mantis->hwconfig = &vp1033_mantis_config;
		break;
	case MANTIS_VP_1034_DVB_S:	/* VP-1034 */
		mantis->hwconfig = &vp1034_mantis_config;
		break;
	case MANTIS_VP_1041_DVB_S2:	/* VP-1041 */
	case TECHNISAT_SKYSTAR_HD2:
		mantis->hwconfig = &vp1041_mantis_config;
		break;
	case MANTIS_VP_2033_DVB_C:	/* VP-2033 */
		mantis->hwconfig = &vp2033_mantis_config;
		break;
	case MANTIS_VP_2040_DVB_C:	/* VP-2040 */
	case TERRATEC_CINERGY_C_PCI:	/* VP-2040 clone */
	case TECHNISAT_CABLESTAR_HD2:
		mantis->hwconfig = &vp2040_mantis_config;
		break;
	case MANTIS_VP_3030_DVB_T:	/* VP-3030 */
		mantis->hwconfig = &vp3030_mantis_config;
		break;
	default:
		mantis->hwconfig = &unknown_device;
		break;
	}
}

int mantis_core_init(struct mantis_pci *mantis)
{
	int err = 0;

	mantis_load_config(mantis);
	dprintk(verbose, MANTIS_ERROR, 0, "found a %s PCI %s device on (%02x:%02x.%x),\n",
		mantis->hwconfig->model_name, mantis->hwconfig->dev_type,
		mantis->pdev->bus->number, PCI_SLOT(mantis->pdev->devfn), PCI_FUNC(mantis->pdev->devfn));
	dprintk(verbose, MANTIS_ERROR, 0, "    Mantis Rev %d [%04x:%04x], ",
		mantis->revision,
		mantis->subsystem_vendor, mantis->subsystem_device);
	dprintk(verbose, MANTIS_ERROR, 0,
		"irq: %d, latency: %d\n    memory: 0x%lx, mmio: 0x%p\n",
		mantis->pdev->irq, mantis->latency,
		mantis->mantis_addr, mantis->mantis_mmio);

	err = mantis_i2c_init(mantis);
	if (err < 0) {
		dprintk(verbose, MANTIS_ERROR, 1, "Mantis I2C init failed");
		return err;
	}
	err = get_mac_address(mantis);
	if (err < 0) {
		dprintk(verbose, MANTIS_ERROR, 1, "get MAC address failed");
		return err;
	}
	err = mantis_dma_init(mantis);
	if (err < 0) {
		dprintk(verbose, MANTIS_ERROR, 1, "Mantis DMA init failed");
		return err;
	}
	err = mantis_dvb_init(mantis);
	if (err < 0) {
		dprintk(verbose, MANTIS_DEBUG, 1, "Mantis DVB init failed");
		return err;
	}
	err = mantis_uart_init(mantis);
	if (err < 0) {
		dprintk(verbose, MANTIS_DEBUG, 1, "Mantis UART init failed");
		return err;
	}

	return 0;
}

int mantis_core_exit(struct mantis_pci *mantis)
{
	mantis_dma_stop(mantis);
	dprintk(verbose, MANTIS_ERROR, 1, "DMA engine stopping");

	mantis_uart_exit(mantis);
	dprintk(verbose, MANTIS_ERROR, 1, "UART exit failed");

	if (mantis_dma_exit(mantis) < 0)
		dprintk(verbose, MANTIS_ERROR, 1, "DMA exit failed");
	if (mantis_dvb_exit(mantis) < 0)
		dprintk(verbose, MANTIS_ERROR, 1, "DVB exit failed");
	if (mantis_i2c_exit(mantis) < 0)
		dprintk(verbose, MANTIS_ERROR, 1, "I2C adapter delete.. failed");

	return 0;
}

/* Turn the given bit on or off. */
void gpio_set_bits(struct mantis_pci *mantis, u32 bitpos, u8 value)
{
	u32 cur;

	cur = mmread(MANTIS_GPIF_ADDR);
	if (value)
		mantis->gpio_status = cur | (1 << bitpos);
	else
		mantis->gpio_status = cur & (~(1 << bitpos));

	mmwrite(mantis->gpio_status, MANTIS_GPIF_ADDR);
	mmwrite(0x00, MANTIS_GPIF_DOUT);
	udelay(100);
}

/* direction = 0 , no CI passthrough ; 1 , CI passthrough */
void mantis_set_direction(struct mantis_pci *mantis, int direction)
{
	u32 reg;

	reg = mmread(0x28);
	dprintk(verbose, MANTIS_DEBUG, 1, "TS direction setup");
	if (direction == 0x01) {
		/* to CI */
		reg |= 0x04;
		mmwrite(reg, 0x28);
		reg &= 0xff - 0x04;
		mmwrite(reg, 0x28);
	} else {
		reg &= 0xff - 0x04;
		mmwrite(reg, 0x28);
		reg |= 0x04;
		mmwrite(reg, 0x28);
	}
}