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path: root/drivers/media/dvb/frontends/mt352.c
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Diffstat (limited to 'drivers/media/dvb/frontends/mt352.c')
-rw-r--r--drivers/media/dvb/frontends/mt352.c40
1 files changed, 14 insertions, 26 deletions
diff --git a/drivers/media/dvb/frontends/mt352.c b/drivers/media/dvb/frontends/mt352.c
index 50326c7248fa..d32dc4de9e7f 100644
--- a/drivers/media/dvb/frontends/mt352.c
+++ b/drivers/media/dvb/frontends/mt352.c
@@ -46,7 +46,7 @@ struct mt352_state {
46 struct dvb_frontend_ops ops; 46 struct dvb_frontend_ops ops;
47 47
48 /* configuration settings */ 48 /* configuration settings */
49 const struct mt352_config* config; 49 struct mt352_config config;
50}; 50};
51 51
52static int debug; 52static int debug;
@@ -59,7 +59,7 @@ static int mt352_single_write(struct dvb_frontend *fe, u8 reg, u8 val)
59{ 59{
60 struct mt352_state* state = fe->demodulator_priv; 60 struct mt352_state* state = fe->demodulator_priv;
61 u8 buf[2] = { reg, val }; 61 u8 buf[2] = { reg, val };
62 struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, 62 struct i2c_msg msg = { .addr = state->config.demod_address, .flags = 0,
63 .buf = buf, .len = 2 }; 63 .buf = buf, .len = 2 };
64 int err = i2c_transfer(state->i2c, &msg, 1); 64 int err = i2c_transfer(state->i2c, &msg, 1);
65 if (err != 1) { 65 if (err != 1) {
@@ -84,10 +84,10 @@ static int mt352_read_register(struct mt352_state* state, u8 reg)
84 int ret; 84 int ret;
85 u8 b0 [] = { reg }; 85 u8 b0 [] = { reg };
86 u8 b1 [] = { 0 }; 86 u8 b1 [] = { 0 };
87 struct i2c_msg msg [] = { { .addr = state->config->demod_address, 87 struct i2c_msg msg [] = { { .addr = state->config.demod_address,
88 .flags = 0, 88 .flags = 0,
89 .buf = b0, .len = 1 }, 89 .buf = b0, .len = 1 },
90 { .addr = state->config->demod_address, 90 { .addr = state->config.demod_address,
91 .flags = I2C_M_RD, 91 .flags = I2C_M_RD,
92 .buf = b1, .len = 1 } }; 92 .buf = b1, .len = 1 } };
93 93
@@ -102,11 +102,6 @@ static int mt352_read_register(struct mt352_state* state, u8 reg)
102 return b1[0]; 102 return b1[0];
103} 103}
104 104
105int mt352_read(struct dvb_frontend *fe, u8 reg)
106{
107 return mt352_read_register(fe->demodulator_priv,reg);
108}
109
110static int mt352_sleep(struct dvb_frontend* fe) 105static int mt352_sleep(struct dvb_frontend* fe)
111{ 106{
112 static u8 mt352_softdown[] = { CLOCK_CTL, 0x20, 0x08 }; 107 static u8 mt352_softdown[] = { CLOCK_CTL, 0x20, 0x08 };
@@ -134,8 +129,8 @@ static void mt352_calc_nominal_rate(struct mt352_state* state,
134 bw = 8; 129 bw = 8;
135 break; 130 break;
136 } 131 }
137 if (state->config->adc_clock) 132 if (state->config.adc_clock)
138 adc_clock = state->config->adc_clock; 133 adc_clock = state->config.adc_clock;
139 134
140 value = 64 * bw * (1<<16) / (7 * 8); 135 value = 64 * bw * (1<<16) / (7 * 8);
141 value = value * 1000 / adc_clock; 136 value = value * 1000 / adc_clock;
@@ -152,10 +147,10 @@ static void mt352_calc_input_freq(struct mt352_state* state,
152 int if2 = 36167; /* 36.166667 MHz */ 147 int if2 = 36167; /* 36.166667 MHz */
153 int ife,value; 148 int ife,value;
154 149
155 if (state->config->adc_clock) 150 if (state->config.adc_clock)
156 adc_clock = state->config->adc_clock; 151 adc_clock = state->config.adc_clock;
157 if (state->config->if2) 152 if (state->config.if2)
158 if2 = state->config->if2; 153 if2 = state->config.if2;
159 154
160 ife = (2*adc_clock - if2); 155 ife = (2*adc_clock - if2);
161 value = -16374 * ife / adc_clock; 156 value = -16374 * ife / adc_clock;
@@ -289,10 +284,10 @@ static int mt352_set_parameters(struct dvb_frontend* fe,
289 284
290 mt352_calc_nominal_rate(state, op->bandwidth, buf+4); 285 mt352_calc_nominal_rate(state, op->bandwidth, buf+4);
291 mt352_calc_input_freq(state, buf+6); 286 mt352_calc_input_freq(state, buf+6);
292 state->config->pll_set(fe, param, buf+8); 287 state->config.pll_set(fe, param, buf+8);
293 288
294 mt352_write(fe, buf, sizeof(buf)); 289 mt352_write(fe, buf, sizeof(buf));
295 if (state->config->no_tuner) { 290 if (state->config.no_tuner) {
296 /* start decoding */ 291 /* start decoding */
297 mt352_write(fe, fsm_go, 2); 292 mt352_write(fe, fsm_go, 2);
298 } else { 293 } else {
@@ -516,7 +511,7 @@ static int mt352_init(struct dvb_frontend* fe)
516 511
517 /* Do a "hard" reset */ 512 /* Do a "hard" reset */
518 mt352_write(fe, mt352_reset_attach, sizeof(mt352_reset_attach)); 513 mt352_write(fe, mt352_reset_attach, sizeof(mt352_reset_attach));
519 return state->config->demod_init(fe); 514 return state->config.demod_init(fe);
520 } 515 }
521 516
522 return 0; 517 return 0;
@@ -541,8 +536,8 @@ struct dvb_frontend* mt352_attach(const struct mt352_config* config,
541 memset(state,0,sizeof(*state)); 536 memset(state,0,sizeof(*state));
542 537
543 /* setup the state */ 538 /* setup the state */
544 state->config = config;
545 state->i2c = i2c; 539 state->i2c = i2c;
540 memcpy(&state->config,config,sizeof(struct mt352_config));
546 memcpy(&state->ops, &mt352_ops, sizeof(struct dvb_frontend_ops)); 541 memcpy(&state->ops, &mt352_ops, sizeof(struct dvb_frontend_ops));
547 542
548 /* check if the demod is there */ 543 /* check if the demod is there */
@@ -601,10 +596,3 @@ MODULE_LICENSE("GPL");
601 596
602EXPORT_SYMBOL(mt352_attach); 597EXPORT_SYMBOL(mt352_attach);
603EXPORT_SYMBOL(mt352_write); 598EXPORT_SYMBOL(mt352_write);
604EXPORT_SYMBOL(mt352_read);
605/*
606 * Local variables:
607 * c-basic-offset: 8
608 * compile-command: "make DVB=1"
609 * End:
610 */