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i2c_mangle: always set PLS code and mode, it's independent from MIS

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This commit is contained in:
Jaroslav Kysela
2018-10-13 10:17:12 +02:00
parent fb0fd9fdbb
commit c4875893a3
1 changed files with 19 additions and 25 deletions
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44
tools/i2c_mangle.c
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@@ -25,7 +25,7 @@ static int i2c_mangle_enable = 1;
static int i2c_mangle_debug = 0; static int i2c_mangle_debug = 0;
static int stv6120_gain = 8; static int stv6120_gain = 8;
static int stv0900_mis[4] = { -1, -1, -1, -1 }; static int stv0900_mis[4] = { -1, -1, -1, -1 };
static int stv0900_pls[4] = { -1, -1, -1, -1 }; static int stv0900_pls[4] = { 1, 1, 1, 1 };
static void i2c_transfer_axe_dump(struct i2c_msg *msgs, int num) static void i2c_transfer_axe_dump(struct i2c_msg *msgs, int num)
{ {
@@ -67,14 +67,14 @@ static void mangle(u8 *dst, struct i2c_msg *m, int i, int val, int shift, int ma
m->buf = dst; m->buf = dst;
} }
#define REG_SET3(b, b1, b2, b3) \ #define REG_SET3(b1, b2, b3) \
b[0] = b1, b[1] = b2, b[2] = b3 do { buf[num][0] = b1; buf[num][1] = b2; buf[num][2] = b3; num++; } while (0)
static void demod_set_pls_and_mis(struct i2c_adapter *adap, struct i2c_msg *src, int p) static void demod_set_pls_and_mis(struct i2c_adapter *adap, struct i2c_msg *src, int p)
{ {
struct i2c_msg m[6]; struct i2c_msg m[6];
u8 buf[6][3]; u8 buf[6][3];
int num, r, mis, idx = p ? 1 : 0; int num = 0, r, mis, idx = p ? 1 : 0;
u32 pls; u32 pls;
u8 iaddr = p ? 0xf3 : 0xf5; u8 iaddr = p ? 0xf3 : 0xf5;
@@ -87,33 +87,27 @@ static void demod_set_pls_and_mis(struct i2c_adapter *adap, struct i2c_msg *src,
mis = stv0900_mis[idx]; mis = stv0900_mis[idx];
if (mis >= 0 && mis <= 255) { if (mis >= 0 && mis <= 255) {
/* PDELCTRL1 - enable filter */ /* PDELCTRL1 - enable filter */
REG_SET3(buf[0], iaddr, 0x50, 0x20); REG_SET3(iaddr, 0x50, 0x20);
/* ISIENTRY */ /* ISIENTRY */
REG_SET3(buf[1], iaddr, 0x5e, mis); REG_SET3(iaddr, 0x5e, mis);
/* ISIBITENA */ /* ISIBITENA */
REG_SET3(buf[2], iaddr, 0x5f, 0xff); REG_SET3(iaddr, 0x5f, 0xff);
/* set PLS code and mode (upper three bits) */
pls = stv0900_pls[idx];
REG_SET3(buf[3], iaddr-1, 0xae, pls); /* PLROOT0 */
REG_SET3(buf[4], iaddr-1, 0xad, pls >> 8); /* PLROOT1 */
REG_SET3(buf[5], iaddr-1, 0xac, (pls >> 16) & 0x0f); /* PLROOT3 */
num = 6;
if (i2c_mangle_debug & 4)
printk("i2c idx=%d: pls=%d mis=%d\n", idx, pls, mis);
} else { } else {
/* SWRST */ /* SWRST */
REG_SET3(buf[0], iaddr, 0x72, 0xd1); REG_SET3(iaddr, 0x72, 0xd1);
/* PDELCTRL1 - disable filter */ /* PDELCTRL1 - disable filter */
REG_SET3(buf[1], iaddr, 0x50, 0x00); REG_SET3(iaddr, 0x50, 0x00);
/* set PLS code to 1 and mode to ROOT */
REG_SET3(buf[2], iaddr-1, 0xae, 1); /* PLROOT0 */
REG_SET3(buf[3], iaddr-1, 0xad, 0); /* PLROOT1 */
REG_SET3(buf[4], iaddr-1, 0xac, 0); /* PLROOT3 */
num = 5;
if (i2c_mangle_debug & 4)
printk("i2c idx=%d: disable mis filter\n", idx);
} }
/* set PLS code and mode (upper three bits) */
pls = stv0900_pls[idx];
REG_SET3(iaddr-1, 0xae, pls); /* PLROOT0 */
REG_SET3(iaddr-1, 0xad, pls >> 8); /* PLROOT1 */
REG_SET3(iaddr-1, 0xac, (pls >> 16) & 0x0f); /* PLROOT3 */
if (i2c_mangle_debug & 4)
printk("i2c idx=%d: pls=%d mode=%d mis=%d\n", idx,
pls & 0x3ffff, (pls >> 18) & 3, mis);
for (r = 0; r < num; r++) { for (r = 0; r < num; r++) {
m[r] = *src; m[r] = *src;
m[r].len = 3; m[r].len = 3;