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authorPatrick Boettcher <pb@linuxtv.org>2006-07-29 16:33:44 -0400
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-09-26 10:53:46 -0400
commit42afd061700edb43bb082bc65a2ddde431151d6b (patch)
treeb8d6331b47c158f29c8271e6d8e58a256937f35a
parentb7571f8d7e12cd70048331e6a0199a42dc995d99 (diff)
V4L/DVB (4461): Added missing dibx000-common code and headers
The first commit omitted the common-code and header-files. Signed-off-by: Patrick Boettcher <pb@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat
-rw-r--r--drivers/media/dvb/frontends/dib3000mc.h58
-rw-r--r--drivers/media/dvb/frontends/dibx000_common.c148
-rw-r--r--drivers/media/dvb/frontends/dibx000_common.h166
3 files changed, 372 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/dib3000mc.h b/drivers/media/dvb/frontends/dib3000mc.h
new file mode 100644
index 000000000000..fd0b2e755993
--- /dev/null
+++ b/drivers/media/dvb/frontends/dib3000mc.h
@@ -0,0 +1,58 @@
1/*
2 * Driver for DiBcom DiB3000MC/P-demodulator.
3 *
4 * Copyright (C) 2004-6 DiBcom (http://www.dibcom.fr/)
5 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher\@desy.de)
6 *
7 * This code is partially based on the previous dib3000mc.c .
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, version 2.
12 */
13#ifndef DIB3000MC_H
14#define DIB3000MC_H
15
16#include "dibx000_common.h"
17
18struct dib3000mc_config {
19 struct dibx000_agc_config *agc;
20
21 u8 phase_noise_mode;
22 u8 impulse_noise_mode;
23
24 u8 pwm3_inversion;
25 u8 use_pwm3;
26 u16 pwm3_value;
27
28 u16 max_time;
29 u16 ln_adc_level;
30
31 u8 mobile_mode;
32
33 u8 output_mpeg2_in_188_bytes;
34};
35
36#define DEFAULT_DIB3000MC_I2C_ADDRESS 16
37#define DEFAULT_DIB3000P_I2C_ADDRESS 24
38
39#if defined(CONFIG_DVB_DIB3000MC) || defined(CONFIG_DVB_DIB3000MC_MODULE)
40extern int dib3000mc_attach(struct i2c_adapter *i2c_adap, int no_of_demods, u8 default_addr,
41 u8 do_i2c_enum, struct dib3000mc_config cfg[], struct dvb_frontend *demod[]);
42#else
43static inline struct dvb_frontend* dib3000mc_attach(const struct dib3000_config* config,
44 struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
45{
46 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
47 return NULL;
48}
49#endif // CONFIG_DVB_DIB3000MC
50
51extern struct i2c_adapter * dib3000mc_get_tuner_i2c_master(struct dvb_frontend *demod, int gating);
52
53extern int dib3000mc_pid_control(struct dvb_frontend *fe, int index, int pid,int onoff);
54extern int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff);
55
56extern void dib3000mc_set_config(struct dvb_frontend *, struct dib3000mc_config *);
57
58#endif
diff --git a/drivers/media/dvb/frontends/dibx000_common.c b/drivers/media/dvb/frontends/dibx000_common.c
new file mode 100644
index 000000000000..0a4d9b83c6fd
--- /dev/null
+++ b/drivers/media/dvb/frontends/dibx000_common.c
@@ -0,0 +1,148 @@
1#include <linux/i2c.h>
2
3#include "dibx000_common.h"
4
5static int debug;
6module_param(debug, int, 0644);
7MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
8
9#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiBX000: "); printk(args); } } while (0)
10
11static int dibx000_write_word(struct dibx000_i2c_master *mst, u16 reg, u16 val)
12{
13 u8 b[4] = {
14 (reg >> 8) & 0xff, reg & 0xff,
15 (val >> 8) & 0xff, val & 0xff,
16 };
17 struct i2c_msg msg = {
18 .addr = mst->i2c_addr, .flags = 0, .buf = b, .len = 4
19 };
20 return i2c_transfer(mst->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0;
21}
22
23
24static int dibx000_i2c_select_interface(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf)
25{
26 if (mst->device_rev > DIB3000MC && mst->selected_interface != intf) {
27 dprintk("selecting interface: %d\n",intf);
28 mst->selected_interface = intf;
29 return dibx000_write_word(mst, mst->base_reg + 4, intf);
30 }
31 return 0;
32}
33
34static int dibx000_i2c_gate_ctrl(struct dibx000_i2c_master *mst, u8 tx[4], u8 addr, int onoff)
35{
36 u16 val;
37
38
39 if (onoff)
40 val = addr << 8; // bit 7 = use master or not, if 0, the gate is open
41 else
42 val = 1 << 7;
43
44 if (mst->device_rev > DIB7000)
45 val <<= 1;
46
47 tx[0] = (((mst->base_reg + 1) >> 8) & 0xff);
48 tx[1] = ( (mst->base_reg + 1) & 0xff);
49 tx[2] = val >> 8;
50 tx[3] = val & 0xff;
51
52 return 0;
53}
54
55static u32 dibx000_i2c_func(struct i2c_adapter *adapter)
56{
57 return I2C_FUNC_I2C;
58}
59
60static int dibx000_i2c_gated_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
61{
62 struct dibx000_i2c_master *mst = i2c_get_adapdata(i2c_adap);
63 struct i2c_msg m[2 + num];
64 u8 tx_open[4], tx_close[4];
65
66 memset(m,0, sizeof(struct i2c_msg) * (2 + num)),
67
68 dibx000_i2c_select_interface(mst, DIBX000_I2C_INTERFACE_TUNER);
69
70 dibx000_i2c_gate_ctrl(mst, tx_open, msg[0].addr, 1);
71 m[0].addr = mst->i2c_addr;
72 m[0].buf = tx_open;
73 m[0].len = 4;
74
75 memcpy(&m[1], msg, sizeof(struct i2c_msg) * num);
76
77 dibx000_i2c_gate_ctrl(mst, tx_close, 0, 0);
78 m[num+1].addr = mst->i2c_addr;
79 m[num+1].buf = tx_close;
80 m[num+1].len = 4;
81
82 return i2c_transfer(mst->i2c_adap, m, 2+num) == 2 + num ? num : -EIO;
83}
84
85static struct i2c_algorithm dibx000_i2c_gated_tuner_algo = {
86 .master_xfer = dibx000_i2c_gated_tuner_xfer,
87 .functionality = dibx000_i2c_func,
88};
89
90struct i2c_adapter * dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf, int gating)
91{
92 struct i2c_adapter *i2c = NULL;
93
94 switch (intf) {
95 case DIBX000_I2C_INTERFACE_TUNER:
96 if (gating)
97 i2c = &mst->gated_tuner_i2c_adap;
98 break;
99 default:
100 printk(KERN_ERR "DiBX000: incorrect I2C interface selected\n");
101 break;
102 }
103
104 return i2c;
105}
106EXPORT_SYMBOL(dibx000_get_i2c_adapter);
107
108static int i2c_adapter_init(struct i2c_adapter *i2c_adap, struct i2c_algorithm *algo, const char name[I2C_NAME_SIZE], struct dibx000_i2c_master *mst)
109{
110 strncpy(i2c_adap->name, name, I2C_NAME_SIZE);
111 i2c_adap->class = I2C_CLASS_TV_DIGITAL,
112 i2c_adap->algo = algo;
113 i2c_adap->algo_data = NULL;
114 i2c_set_adapdata(i2c_adap, mst);
115 if (i2c_add_adapter(i2c_adap) < 0)
116 return -ENODEV;
117 return 0;
118}
119
120int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev, struct i2c_adapter *i2c_adap, u8 i2c_addr)
121{
122 u8 tx[4];
123 struct i2c_msg m = { .addr = i2c_addr >> 1, .buf = tx, .len = 4 };
124
125 mst->device_rev = device_rev;
126 mst->i2c_adap = i2c_adap;
127 mst->i2c_addr = i2c_addr >> 1;
128
129 if (device_rev == DIB7000P)
130 mst->base_reg = 1024;
131 else
132 mst->base_reg = 768;
133
134 if (i2c_adapter_init(&mst->gated_tuner_i2c_adap, &dibx000_i2c_gated_tuner_algo, "DiBX000 tuner I2C bus", mst) != 0)
135 printk(KERN_ERR "DiBX000: could not initialize the tuner i2c_adapter\n");
136
137 /* initialize the i2c-master by closing the gate */
138 dibx000_i2c_gate_ctrl(mst, tx, 0, 0);
139
140 return i2c_transfer(i2c_adap, &m, 1) == 1;
141}
142EXPORT_SYMBOL(dibx000_init_i2c_master);
143
144void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst)
145{
146 i2c_del_adapter(&mst->gated_tuner_i2c_adap);
147}
148EXPORT_SYMBOL(dibx000_exit_i2c_master);
diff --git a/drivers/media/dvb/frontends/dibx000_common.h b/drivers/media/dvb/frontends/dibx000_common.h
new file mode 100644
index 000000000000..bb0c65f8aee8
--- /dev/null
+++ b/drivers/media/dvb/frontends/dibx000_common.h
@@ -0,0 +1,166 @@
1#ifndef DIBX000_COMMON_H
2#define DIBX000_COMMON_H
3
4enum dibx000_i2c_interface {
5 DIBX000_I2C_INTERFACE_TUNER = 0,
6 DIBX000_I2C_INTERFACE_GPIO_1_2 = 1,
7 DIBX000_I2C_INTERFACE_GPIO_3_4 = 2
8};
9
10struct dibx000_i2c_master {
11#define DIB3000MC 1
12#define DIB7000 2
13#define DIB7000P 11
14#define DIB7000MC 12
15 u16 device_rev;
16
17 enum dibx000_i2c_interface selected_interface;
18
19// struct i2c_adapter tuner_i2c_adap;
20 struct i2c_adapter gated_tuner_i2c_adap;
21
22 struct i2c_adapter *i2c_adap;
23 u8 i2c_addr;
24
25 u16 base_reg;
26};
27
28extern int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev, struct i2c_adapter *i2c_adap, u8 i2c_addr);
29extern struct i2c_adapter * dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf, int gating);
30extern void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst);
31
32#define BAND_LBAND 0x01
33#define BAND_UHF 0x02
34#define BAND_VHF 0x04
35
36struct dibx000_agc_config {
37 /* defines the capabilities of this AGC-setting - using the BAND_-defines*/
38 u8 band_caps;
39
40 u16 setup;
41
42 u16 inv_gain;
43 u16 time_stabiliz;
44
45 u8 alpha_level;
46 u16 thlock;
47
48 u8 wbd_inv;
49 u16 wbd_ref;
50 u8 wbd_sel;
51 u8 wbd_alpha;
52
53 u16 agc1_max;
54 u16 agc1_min;
55 u16 agc2_max;
56 u16 agc2_min;
57
58 u8 agc1_pt1;
59 u8 agc1_pt2;
60 u8 agc1_pt3;
61
62 u8 agc1_slope1;
63 u8 agc1_slope2;
64
65 u8 agc2_pt1;
66 u8 agc2_pt2;
67
68 u8 agc2_slope1;
69 u8 agc2_slope2;
70
71 u8 alpha_mant;
72 u8 alpha_exp;
73
74 u8 beta_mant;
75 u8 beta_exp;
76
77 u8 perform_agc_softsplit;
78
79 struct {
80 u16 min;
81 u16 max;
82 u16 min_thres;
83 u16 max_thres;
84 } split;
85};
86
87struct dibx000_bandwidth_config {
88 u32 internal;
89 u32 sampling;
90
91 u8 pll_prediv;
92 u8 pll_ratio;
93 u8 pll_range;
94 u8 pll_reset;
95 u8 pll_bypass;
96
97 u8 enable_refdiv;
98 u8 bypclk_div;
99 u8 IO_CLK_en_core;
100 u8 ADClkSrc;
101 u8 modulo;
102
103 u16 sad_cfg;
104
105 u32 ifreq;
106 u32 timf;
107};
108
109enum dibx000_adc_states {
110 DIBX000_SLOW_ADC_ON = 0,
111 DIBX000_SLOW_ADC_OFF,
112 DIBX000_ADC_ON,
113 DIBX000_ADC_OFF,
114 DIBX000_VBG_ENABLE,
115 DIBX000_VBG_DISABLE,
116};
117
118#define BW_INDEX_TO_KHZ(v) ( (v) == BANDWIDTH_8_MHZ ? 8000 : \
119 (v) == BANDWIDTH_7_MHZ ? 7000 : \
120 (v) == BANDWIDTH_6_MHZ ? 6000 : 8000 )
121
122/* Chip output mode. */
123#define OUTMODE_HIGH_Z 0
124#define OUTMODE_MPEG2_PAR_GATED_CLK 1
125#define OUTMODE_MPEG2_PAR_CONT_CLK 2
126#define OUTMODE_MPEG2_SERIAL 7
127#define OUTMODE_DIVERSITY 4
128#define OUTMODE_MPEG2_FIFO 5
129
130/* I hope I can get rid of the following kludge in the near future */
131struct dibx000_ofdm_channel {
132 u8 Bw;
133 s16 nfft;
134 s16 guard;
135 s16 nqam;
136 s16 vit_hrch;
137 s16 vit_select_hp;
138 s16 vit_alpha;
139 s16 vit_code_rate_hp;
140 s16 vit_code_rate_lp;
141};
142
143#define FEP2DIB(fep,ch) \
144 (ch)->Bw = (fep)->u.ofdm.bandwidth; \
145 (ch)->nfft = (fep)->u.ofdm.transmission_mode == TRANSMISSION_MODE_AUTO ? -1 : (fep)->u.ofdm.transmission_mode; \
146 (ch)->guard = (fep)->u.ofdm.guard_interval == GUARD_INTERVAL_AUTO ? -1 : (fep)->u.ofdm.guard_interval; \
147 (ch)->nqam = (fep)->u.ofdm.constellation == QAM_AUTO ? -1 : (fep)->u.ofdm.constellation == QAM_64 ? 2 : (fep)->u.ofdm.constellation; \
148 (ch)->vit_hrch = 0; /* linux-dvb is not prepared for HIERARCHICAL TRANSMISSION */ \
149 (ch)->vit_select_hp = 1; \
150 (ch)->vit_alpha = 1; \
151 (ch)->vit_code_rate_hp = (fep)->u.ofdm.code_rate_HP == FEC_AUTO ? -1 : (fep)->u.ofdm.code_rate_HP; \
152 (ch)->vit_code_rate_lp = (fep)->u.ofdm.code_rate_LP == FEC_AUTO ? -1 : (fep)->u.ofdm.code_rate_LP;
153
154#define INIT_OFDM_CHANNEL(ch) do {\
155 (ch)->Bw = 0; \
156 (ch)->nfft = -1; \
157 (ch)->guard = -1; \
158 (ch)->nqam = -1; \
159 (ch)->vit_hrch = -1; \
160 (ch)->vit_select_hp = -1; \
161 (ch)->vit_alpha = -1; \
162 (ch)->vit_code_rate_hp = -1; \
163 (ch)->vit_code_rate_lp = -1; \
164} while (0)
165
166#endif
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