-/*
+ /*
cx24110 - Single Chip Satellite Channel Receiver driver module
Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/init.h>
#include "dvb_frontend.h"
if (srate<500000)
srate=500000;
- for(i=0;(i<sizeof(bands)/sizeof(bands[0]))&&(srate>bands[i]);i++)
+ for(i = 0; (i < ARRAY_SIZE(bands)) && (srate>bands[i]); i++)
;
/* first, check which sample rate is appropriate: 45, 60 80 or 90 MHz,
and set the PLL accordingly (R07[1:0] Fclk, R06[7:4] PLLmult,
}
-int cx24110_pll_write (struct dvb_frontend* fe, u32 data)
+static int _cx24110_pll_write (struct dvb_frontend* fe, u8 *buf, int len)
{
struct cx24110_state *state = fe->demodulator_priv;
+ if (len != 3)
+ return -EINVAL;
+
/* tuner data is 21 bits long, must be left-aligned in data */
/* tuner cx24108 is written through a dedicated 3wire interface on the demod chip */
/* FIXME (low): add error handling, avoid infinite loops if HW fails... */
- dprintk("cx24110 debug: cx24108_write(%8.8x)\n",data);
-
cx24110_writereg(state,0x6d,0x30); /* auto mode at 62kHz */
cx24110_writereg(state,0x70,0x15); /* auto mode 21 bits */
cx24110_writereg(state,0x72,0);
/* write the topmost 8 bits */
- cx24110_writereg(state,0x72,(data>>24)&0xff);
+ cx24110_writereg(state,0x72,buf[0]);
/* wait for the send to be completed */
while ((cx24110_readreg(state,0x6d)&0xc0)==0x80)
;
/* send another 8 bytes */
- cx24110_writereg(state,0x72,(data>>16)&0xff);
+ cx24110_writereg(state,0x72,buf[1]);
while ((cx24110_readreg(state,0x6d)&0xc0)==0x80)
;
/* and the topmost 5 bits of this byte */
- cx24110_writereg(state,0x72,(data>>8)&0xff);
+ cx24110_writereg(state,0x72,buf[2]);
while ((cx24110_readreg(state,0x6d)&0xc0)==0x80)
;
dprintk("%s: init chip\n", __FUNCTION__);
- for(i=0;i<sizeof(cx24110_regdata)/sizeof(cx24110_regdata[0]);i++) {
+ for(i = 0; i < ARRAY_SIZE(cx24110_regdata); i++) {
cx24110_writereg(state, cx24110_regdata[i].reg, cx24110_regdata[i].data);
};
.release = cx24110_release,
.init = cx24110_initfe,
+ .write = _cx24110_pll_write,
.set_frontend = cx24110_set_frontend,
.get_frontend = cx24110_get_frontend,
.read_status = cx24110_read_status,
MODULE_LICENSE("GPL");
EXPORT_SYMBOL(cx24110_attach);
-EXPORT_SYMBOL(cx24110_pll_write);