[media] dvb-frontends/stv0367: make PLLSETUP a function, add 58MHz IC speed

This moves the PLL SETUP code from stv0367ter_init() into a dedicated
function, and also make it possible to configure 58Mhz IC speed at
27MHz Xtal (used on STV0367-based DDB cards/modules in QAM mode).

Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c
index 5b52673..da10d9a 100644 (file)
--- a/drivers/media/dvb-frontends/stv0367.c
+++ b/drivers/media/dvb-frontends/stv0367.c
@@ -271,6 +271,53 @@ static void stv0367_write_table(struct stv0367_state *state,
        }
 }
 
+static void stv0367_pll_setup(struct stv0367_state *state,
+                               u32 icspeed, u32 xtal)
+{
+       /* note on regs: R367TER_* and R367CAB_* defines each point to
+        * 0xf0d8, so just use R367TER_ for both cases
+        */
+
+       switch (icspeed) {
+       case STV0367_ICSPEED_58000:
+               switch (xtal) {
+               default:
+               case 27000000:
+                       dprintk("STV0367 SetCLKgen for 58MHz IC and 27Mhz crystal\n");
+                       /* PLLMDIV: 27, PLLNDIV: 232 */
+                       stv0367_writereg(state, R367TER_PLLMDIV, 0x1b);
+                       stv0367_writereg(state, R367TER_PLLNDIV, 0xe8);
+                       break;
+               }
+               break;
+       default:
+       case STV0367_ICSPEED_53125:
+               switch (xtal) {
+                       /* set internal freq to 53.125MHz */
+               case 16000000:
+                       stv0367_writereg(state, R367TER_PLLMDIV, 0x2);
+                       stv0367_writereg(state, R367TER_PLLNDIV, 0x1b);
+                       break;
+               case 25000000:
+                       stv0367_writereg(state, R367TER_PLLMDIV, 0xa);
+                       stv0367_writereg(state, R367TER_PLLNDIV, 0x55);
+                       break;
+               default:
+               case 27000000:
+                       dprintk("FE_STV0367TER_SetCLKgen for 27Mhz\n");
+                       stv0367_writereg(state, R367TER_PLLMDIV, 0x1);
+                       stv0367_writereg(state, R367TER_PLLNDIV, 0x8);
+                       break;
+               case 30000000:
+                       stv0367_writereg(state, R367TER_PLLMDIV, 0xc);
+                       stv0367_writereg(state, R367TER_PLLNDIV, 0x55);
+                       break;
+               }
+       }
+
+       stv0367_writereg(state, R367TER_PLLSETUP, 0x18);
+}
+
 static int stv0367ter_gate_ctrl(struct dvb_frontend *fe, int enable)
 {
        struct stv0367_state *state = fe->demodulator_priv;
@@ -918,31 +965,7 @@ static int stv0367ter_init(struct dvb_frontend *fe)
        stv0367_write_table(state,
                stv0367_deftabs[state->deftabs][STV0367_TAB_TER]);
 
-       switch (state->config->xtal) {
-               /*set internal freq to 53.125MHz */
-       case 16000000:
-               stv0367_writereg(state, R367TER_PLLMDIV, 0x2);
-               stv0367_writereg(state, R367TER_PLLNDIV, 0x1b);
-               stv0367_writereg(state, R367TER_PLLSETUP, 0x18);
-               break;
-       case 25000000:
-               stv0367_writereg(state, R367TER_PLLMDIV, 0xa);
-               stv0367_writereg(state, R367TER_PLLNDIV, 0x55);
-               stv0367_writereg(state, R367TER_PLLSETUP, 0x18);
-               break;
-       default:
-       case 27000000:
-               dprintk("FE_STV0367TER_SetCLKgen for 27Mhz\n");
-               stv0367_writereg(state, R367TER_PLLMDIV, 0x1);
-               stv0367_writereg(state, R367TER_PLLNDIV, 0x8);
-               stv0367_writereg(state, R367TER_PLLSETUP, 0x18);
-               break;
-       case 30000000:
-               stv0367_writereg(state, R367TER_PLLMDIV, 0xc);
-               stv0367_writereg(state, R367TER_PLLNDIV, 0x55);
-               stv0367_writereg(state, R367TER_PLLSETUP, 0x18);
-               break;
-       }
+       stv0367_pll_setup(state, STV0367_ICSPEED_53125, state->config->xtal);
 
        stv0367_writereg(state, R367TER_I2CRPT, 0xa0);
        stv0367_writereg(state, R367TER_ANACTRL, 0x00);

diff --git a/drivers/media/dvb-frontends/stv0367.h b/drivers/media/dvb-frontends/stv0367.h
index 26c38a0..aaa0236 100644 (file)
--- a/drivers/media/dvb-frontends/stv0367.h
+++ b/drivers/media/dvb-frontends/stv0367.h
@@ -25,6 +25,9 @@
 #include <linux/dvb/frontend.h>
 #include "dvb_frontend.h"
 
+#define STV0367_ICSPEED_53125  53125000
+#define STV0367_ICSPEED_58000  58000000
+
 struct stv0367_config {
        u8 demod_address;
        u32 xtal;