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path: root/drivers/media/dvb-frontends/af9033.c
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Diffstat (limited to 'drivers/media/dvb-frontends/af9033.c')
-rw-r--r--drivers/media/dvb-frontends/af9033.c230
1 files changed, 206 insertions, 24 deletions
diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 464ad878490..be4bec2a964 100644
--- a/drivers/media/dvb-frontends/af9033.c
+++ b/drivers/media/dvb-frontends/af9033.c
@@ -21,6 +21,9 @@
#include "af9033_priv.h"
+/* Max transfer size done by I2C transfer functions */
+#define MAX_XFER_SIZE 64
+
struct af9033_state {
struct i2c_adapter *i2c;
struct dvb_frontend fe;
@@ -40,16 +43,23 @@ static int af9033_wr_regs(struct af9033_state *state, u32 reg, const u8 *val,
int len)
{
int ret;
- u8 buf[3 + len];
+ u8 buf[MAX_XFER_SIZE];
struct i2c_msg msg[1] = {
{
.addr = state->cfg.i2c_addr,
.flags = 0,
- .len = sizeof(buf),
+ .len = 3 + len,
.buf = buf,
}
};
+ if (3 + len > sizeof(buf)) {
+ dev_warn(&state->i2c->dev,
+ "%s: i2c wr reg=%04x: len=%d is too big!\n",
+ KBUILD_MODNAME, reg, len);
+ return -EINVAL;
+ }
+
buf[0] = (reg >> 16) & 0xff;
buf[1] = (reg >> 8) & 0xff;
buf[2] = (reg >> 0) & 0xff;
@@ -156,6 +166,44 @@ static int af9033_rd_reg_mask(struct af9033_state *state, u32 reg, u8 *val,
return 0;
}
+/* write reg val table using reg addr auto increment */
+static int af9033_wr_reg_val_tab(struct af9033_state *state,
+ const struct reg_val *tab, int tab_len)
+{
+#define MAX_TAB_LEN 212
+ int ret, i, j;
+ u8 buf[1 + MAX_TAB_LEN];
+
+ dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len);
+
+ if (tab_len > sizeof(buf)) {
+ dev_warn(&state->i2c->dev, "%s: tab len %d is too big\n",
+ KBUILD_MODNAME, tab_len);
+ return -EINVAL;
+ }
+
+ for (i = 0, j = 0; i < tab_len; i++) {
+ buf[j] = tab[i].val;
+
+ if (i == tab_len - 1 || tab[i].reg != tab[i + 1].reg - 1) {
+ ret = af9033_wr_regs(state, tab[i].reg - j, buf, j + 1);
+ if (ret < 0)
+ goto err;
+
+ j = 0;
+ } else {
+ j++;
+ }
+ }
+
+ return 0;
+
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
static u32 af9033_div(struct af9033_state *state, u32 a, u32 b, u32 x)
{
u32 r = 0, c = 0, i;
@@ -223,6 +271,7 @@ static int af9033_init(struct dvb_frontend *fe)
{ 0x80f986, state->ts_mode_parallel, 0x01 },
{ 0x00d827, 0x00, 0xff },
{ 0x00d829, 0x00, 0xff },
+ { 0x800045, state->cfg.adc_multiplier, 0xff },
};
/* program clock control */
@@ -286,14 +335,29 @@ static int af9033_init(struct dvb_frontend *fe)
/* load OFSM settings */
dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__);
- len = ARRAY_SIZE(ofsm_init);
- init = ofsm_init;
- for (i = 0; i < len; i++) {
- ret = af9033_wr_reg(state, init[i].reg, init[i].val);
- if (ret < 0)
- goto err;
+ switch (state->cfg.tuner) {
+ case AF9033_TUNER_IT9135_38:
+ case AF9033_TUNER_IT9135_51:
+ case AF9033_TUNER_IT9135_52:
+ len = ARRAY_SIZE(ofsm_init_it9135_v1);
+ init = ofsm_init_it9135_v1;
+ break;
+ case AF9033_TUNER_IT9135_60:
+ case AF9033_TUNER_IT9135_61:
+ case AF9033_TUNER_IT9135_62:
+ len = ARRAY_SIZE(ofsm_init_it9135_v2);
+ init = ofsm_init_it9135_v2;
+ break;
+ default:
+ len = ARRAY_SIZE(ofsm_init);
+ init = ofsm_init;
+ break;
}
+ ret = af9033_wr_reg_val_tab(state, init, len);
+ if (ret < 0)
+ goto err;
+
/* load tuner specific settings */
dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n",
__func__);
@@ -318,6 +382,34 @@ static int af9033_init(struct dvb_frontend *fe)
len = ARRAY_SIZE(tuner_init_fc2580);
init = tuner_init_fc2580;
break;
+ case AF9033_TUNER_FC0012:
+ len = ARRAY_SIZE(tuner_init_fc0012);
+ init = tuner_init_fc0012;
+ break;
+ case AF9033_TUNER_IT9135_38:
+ len = ARRAY_SIZE(tuner_init_it9135_38);
+ init = tuner_init_it9135_38;
+ break;
+ case AF9033_TUNER_IT9135_51:
+ len = ARRAY_SIZE(tuner_init_it9135_51);
+ init = tuner_init_it9135_51;
+ break;
+ case AF9033_TUNER_IT9135_52:
+ len = ARRAY_SIZE(tuner_init_it9135_52);
+ init = tuner_init_it9135_52;
+ break;
+ case AF9033_TUNER_IT9135_60:
+ len = ARRAY_SIZE(tuner_init_it9135_60);
+ init = tuner_init_it9135_60;
+ break;
+ case AF9033_TUNER_IT9135_61:
+ len = ARRAY_SIZE(tuner_init_it9135_61);
+ init = tuner_init_it9135_61;
+ break;
+ case AF9033_TUNER_IT9135_62:
+ len = ARRAY_SIZE(tuner_init_it9135_62);
+ init = tuner_init_it9135_62;
+ break;
default:
dev_dbg(&state->i2c->dev, "%s: unsupported tuner ID=%d\n",
__func__, state->cfg.tuner);
@@ -325,8 +417,29 @@ static int af9033_init(struct dvb_frontend *fe)
goto err;
}
- for (i = 0; i < len; i++) {
- ret = af9033_wr_reg(state, init[i].reg, init[i].val);
+ ret = af9033_wr_reg_val_tab(state, init, len);
+ if (ret < 0)
+ goto err;
+
+ if (state->cfg.ts_mode == AF9033_TS_MODE_SERIAL) {
+ ret = af9033_wr_reg_mask(state, 0x00d91c, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ ret = af9033_wr_reg_mask(state, 0x00d917, 0x00, 0x01);
+ if (ret < 0)
+ goto err;
+
+ ret = af9033_wr_reg_mask(state, 0x00d916, 0x00, 0x01);
+ if (ret < 0)
+ goto err;
+ }
+
+ switch (state->cfg.tuner) {
+ case AF9033_TUNER_IT9135_60:
+ case AF9033_TUNER_IT9135_61:
+ case AF9033_TUNER_IT9135_62:
+ ret = af9033_wr_reg(state, 0x800000, 0x01);
if (ret < 0)
goto err;
}
@@ -397,7 +510,8 @@ err:
static int af9033_get_tune_settings(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *fesettings)
{
- fesettings->min_delay_ms = 800;
+ /* 800 => 2000 because IT9135 v2 is slow to gain lock */
+ fesettings->min_delay_ms = 2000;
fesettings->step_size = 0;
fesettings->max_drift = 0;
@@ -480,17 +594,17 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
if (spec_inv == -1)
freq_cw = 0x800000 - freq_cw;
- /* get adc multiplies */
- ret = af9033_rd_reg(state, 0x800045, &tmp);
- if (ret < 0)
- goto err;
-
- if (tmp == 1)
+ if (state->cfg.adc_multiplier == AF9033_ADC_MULTIPLIER_2X)
freq_cw /= 2;
buf[0] = (freq_cw >> 0) & 0xff;
buf[1] = (freq_cw >> 8) & 0xff;
buf[2] = (freq_cw >> 16) & 0x7f;
+
+ /* FIXME: there seems to be calculation error here... */
+ if (if_frequency == 0)
+ buf[2] = 0;
+
ret = af9033_wr_regs(state, 0x800029, buf, 3);
if (ret < 0)
goto err;
@@ -875,10 +989,62 @@ err:
return ret;
}
+static int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff)
+{
+ struct af9033_state *state = fe->demodulator_priv;
+ int ret;
+
+ dev_dbg(&state->i2c->dev, "%s: onoff=%d\n", __func__, onoff);
+
+ ret = af9033_wr_reg_mask(state, 0x80f993, onoff, 0x01);
+ if (ret < 0)
+ goto err;
+
+ return 0;
+
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+static int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid, int onoff)
+{
+ struct af9033_state *state = fe->demodulator_priv;
+ int ret;
+ u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff};
+
+ dev_dbg(&state->i2c->dev, "%s: index=%d pid=%04x onoff=%d\n",
+ __func__, index, pid, onoff);
+
+ if (pid > 0x1fff)
+ return 0;
+
+ ret = af9033_wr_regs(state, 0x80f996, wbuf, 2);
+ if (ret < 0)
+ goto err;
+
+ ret = af9033_wr_reg(state, 0x80f994, onoff);
+ if (ret < 0)
+ goto err;
+
+ ret = af9033_wr_reg(state, 0x80f995, index);
+ if (ret < 0)
+ goto err;
+
+ return 0;
+
+err:
+ dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
static struct dvb_frontend_ops af9033_ops;
struct dvb_frontend *af9033_attach(const struct af9033_config *config,
- struct i2c_adapter *i2c)
+ struct i2c_adapter *i2c,
+ struct af9033_ops *ops)
{
int ret;
struct af9033_state *state;
@@ -916,13 +1082,24 @@ struct dvb_frontend *af9033_attach(const struct af9033_config *config,
buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]);
/* sleep */
- ret = af9033_wr_reg(state, 0x80004c, 1);
- if (ret < 0)
- goto err;
+ switch (state->cfg.tuner) {
+ case AF9033_TUNER_IT9135_38:
+ case AF9033_TUNER_IT9135_51:
+ case AF9033_TUNER_IT9135_52:
+ case AF9033_TUNER_IT9135_60:
+ case AF9033_TUNER_IT9135_61:
+ case AF9033_TUNER_IT9135_62:
+ /* IT9135 did not like to sleep at that early */
+ break;
+ default:
+ ret = af9033_wr_reg(state, 0x80004c, 1);
+ if (ret < 0)
+ goto err;
- ret = af9033_wr_reg(state, 0x800000, 0);
- if (ret < 0)
- goto err;
+ ret = af9033_wr_reg(state, 0x800000, 0);
+ if (ret < 0)
+ goto err;
+ }
/* configure internal TS mode */
switch (state->cfg.ts_mode) {
@@ -942,6 +1119,11 @@ struct dvb_frontend *af9033_attach(const struct af9033_config *config,
memcpy(&state->fe.ops, &af9033_ops, sizeof(struct dvb_frontend_ops));
state->fe.demodulator_priv = state;
+ if (ops) {
+ ops->pid_filter = af9033_pid_filter;
+ ops->pid_filter_ctrl = af9033_pid_filter_ctrl;
+ }
+
return &state->fe;
err:
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 19:29:28 +0000