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authorAntti Palosaari <crope@iki.fi>2012-12-08 22:51:19 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-01-06 09:04:17 -0200
commitbf97b6373bb10bbde7c0b485b8fc829fec5a4bcf (patch)
treede7f36d0ea2b925066f102badc22dd69e331a2d3
parent9805992ffc59ec0271ec037bfb02fe8111691284 (diff)
[media] af9035: dual mode related changes
Various small changes and fixes releated to dual mode. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/dvb-frontends/af9033.c2
-rw-r--r--drivers/media/usb/dvb-usb-v2/af9035.c140
-rw-r--r--drivers/media/usb/dvb-usb-v2/af9035.h5
3 files changed, 99 insertions, 48 deletions
diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 745d2fa3fbdc..c9cad989b8b9 100644
--- a/drivers/media/dvb-frontends/af9033.c
+++ b/drivers/media/dvb-frontends/af9033.c
@@ -339,9 +339,11 @@ static int af9033_init(struct dvb_frontend *fe)
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;
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index 15625eb28b56..d1beb7ffe72c 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -211,12 +211,13 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
ret = -EOPNOTSUPP;
} else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
(msg[0].addr == state->af9033_config[1].i2c_addr)) {
- /* integrated demod */
+ /* demod access via firmware interface */
u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
msg[0].buf[2];
- if (state->af9033_config[1].i2c_addr &&
- (msg[0].addr == state->af9033_config[1].i2c_addr))
+
+ if (msg[0].addr == state->af9033_config[1].i2c_addr)
reg |= 0x100000;
+
ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
msg[1].len);
} else {
@@ -226,7 +227,7 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
buf, msg[1].len, msg[1].buf };
req.mbox |= ((msg[0].addr & 0x80) >> 3);
buf[0] = msg[1].len;
- buf[1] = (u8)(msg[0].addr << 1);
+ buf[1] = msg[0].addr << 1;
buf[2] = 0x00; /* reg addr len */
buf[3] = 0x00; /* reg addr MSB */
buf[4] = 0x00; /* reg addr LSB */
@@ -239,12 +240,13 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
ret = -EOPNOTSUPP;
} else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
(msg[0].addr == state->af9033_config[1].i2c_addr)) {
- /* integrated demod */
+ /* demod access via firmware interface */
u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
msg[0].buf[2];
- if (state->af9033_config[1].i2c_addr &&
- (msg[0].addr == state->af9033_config[1].i2c_addr))
+
+ if (msg[0].addr == state->af9033_config[1].i2c_addr)
reg |= 0x100000;
+
ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
msg[0].len - 3);
} else {
@@ -254,7 +256,7 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
0, NULL };
req.mbox |= ((msg[0].addr & 0x80) >> 3);
buf[0] = msg[0].len;
- buf[1] = (u8)(msg[0].addr << 1);
+ buf[1] = msg[0].addr << 1;
buf[2] = 0x00; /* reg addr len */
buf[3] = 0x00; /* reg addr MSB */
buf[4] = 0x00; /* reg addr LSB */
@@ -293,30 +295,9 @@ static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
int ret;
u8 wbuf[1] = { 1 };
u8 rbuf[4];
- u8 tmp;
struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
sizeof(rbuf), rbuf };
- /* check if there is dual tuners */
- ret = af9035_rd_reg(d, EEPROM_DUAL_MODE, &tmp);
- if (ret < 0)
- goto err;
-
- if (tmp) {
- /* read 2nd demodulator I2C address */
- ret = af9035_rd_reg(d, EEPROM_2WIREADDR, &tmp);
- if (ret < 0)
- goto err;
-
- ret = af9035_wr_reg(d, 0x00417f, tmp);
- if (ret < 0)
- goto err;
-
- ret = af9035_wr_reg(d, 0x00d81a, 1);
- if (ret < 0)
- goto err;
- }
-
ret = af9035_ctrl_msg(d, &req);
if (ret < 0)
goto err;
@@ -344,12 +325,57 @@ static int af9035_download_firmware(struct dvb_usb_device *d,
struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL };
struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ;
- u8 hdr_core;
+ u8 hdr_core, tmp;
u16 hdr_addr, hdr_data_len, hdr_checksum;
#define MAX_DATA 58
#define HDR_SIZE 7
/*
+ * In case of dual tuner configuration we need to do some extra
+ * initialization in order to download firmware to slave demod too,
+ * which is done by master demod.
+ * Master feeds also clock and controls power via GPIO.
+ */
+ ret = af9035_rd_reg(d, EEPROM_DUAL_MODE, &tmp);
+ if (ret < 0)
+ goto err;
+
+ if (tmp) {
+ /* configure gpioh1, reset & power slave demod */
+ ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01);
+ if (ret < 0)
+ goto err;
+
+ usleep_range(10000, 50000);
+
+ ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ /* tell the slave I2C address */
+ ret = af9035_rd_reg(d, EEPROM_2ND_DEMOD_ADDR, &tmp);
+ if (ret < 0)
+ goto err;
+
+ ret = af9035_wr_reg(d, 0x00417f, tmp);
+ if (ret < 0)
+ goto err;
+
+ /* enable clock out */
+ ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+ }
+
+ /*
* Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info!
*
* byte 0: MCS 51 core
@@ -520,22 +546,27 @@ static int af9035_read_config(struct dvb_usb_device *d)
u8 tmp;
u16 tmp16;
+ /* demod I2C "address" */
+ state->af9033_config[0].i2c_addr = 0x38;
+
/* check if there is dual tuners */
ret = af9035_rd_reg(d, EEPROM_DUAL_MODE, &tmp);
if (ret < 0)
goto err;
state->dual_mode = tmp;
- dev_dbg(&d->udev->dev, "%s: dual mode=%d\n",
- __func__, state->dual_mode);
+ dev_dbg(&d->udev->dev, "%s: dual mode=%d\n", __func__,
+ state->dual_mode);
if (state->dual_mode) {
/* read 2nd demodulator I2C address */
- ret = af9035_rd_reg(d, EEPROM_2WIREADDR, &tmp);
+ ret = af9035_rd_reg(d, EEPROM_2ND_DEMOD_ADDR, &tmp);
if (ret < 0)
goto err;
+
state->af9033_config[1].i2c_addr = tmp;
- pr_debug("%s: 2nd demod I2C addr:%02x\n", __func__, tmp);
+ dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n",
+ __func__, tmp);
}
for (i = 0; i < state->dual_mode + 1; i++) {
@@ -563,6 +594,16 @@ static int af9035_read_config(struct dvb_usb_device *d)
KBUILD_MODNAME, tmp);
}
+ /* disable dual mode if driver does not support it */
+ if (i == 1)
+ switch (tmp) {
+ default:
+ state->dual_mode = false;
+ dev_info(&d->udev->dev, "%s: driver does not " \
+ "support 2nd tuner and will " \
+ "disable it", KBUILD_MODNAME);
+ }
+
/* tuner IF frequency */
ret = af9035_rd_reg(d, EEPROM_1_IFFREQ_L + eeprom_shift, &tmp);
if (ret < 0)
@@ -798,15 +839,14 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
if (ret < 0)
goto err;
- ret = af9035_wr_reg(d, 0x00d81a,
- state->dual_mode);
+ ret = af9035_wr_reg(d, 0x00d81a, state->dual_mode);
if (ret < 0)
goto err;
}
/* attach demodulator */
- adap->fe[0] = dvb_attach(af9033_attach,
- &state->af9033_config[adap->id], &d->i2c_adap);
+ adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id],
+ &d->i2c_adap);
if (adap->fe[0] == NULL) {
ret = -ENODEV;
goto err;
@@ -866,6 +906,11 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
struct dvb_usb_device *d = adap_to_d(adap);
int ret;
struct dvb_frontend *fe;
+ u8 tuner_addr;
+ /*
+ * XXX: Hack used in that function: we abuse unused I2C address bit [7]
+ * to carry info about used I2C bus for dual tuner configuration.
+ */
switch (state->af9033_config[adap->id].tuner) {
case AF9033_TUNER_TUA9001:
@@ -898,16 +943,15 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
&d->i2c_adap, &af9035_fc0011_config);
break;
case AF9033_TUNER_MXL5007T:
- state->tuner_address[adap->id] = 0x60;
- /* hack, use b[7] to carry used I2C-bus */
- state->tuner_address[adap->id] |= (adap->id << 7);
if (adap->id == 0) {
ret = af9035_wr_reg(d, 0x00d8e0, 1);
if (ret < 0)
goto err;
+
ret = af9035_wr_reg(d, 0x00d8e1, 1);
if (ret < 0)
goto err;
+
ret = af9035_wr_reg(d, 0x00d8df, 0);
if (ret < 0)
goto err;
@@ -923,27 +967,35 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
ret = af9035_wr_reg(d, 0x00d8c0, 1);
if (ret < 0)
goto err;
+
ret = af9035_wr_reg(d, 0x00d8c1, 1);
if (ret < 0)
goto err;
+
ret = af9035_wr_reg(d, 0x00d8bf, 0);
if (ret < 0)
goto err;
+
ret = af9035_wr_reg(d, 0x00d8b4, 1);
if (ret < 0)
goto err;
+
ret = af9035_wr_reg(d, 0x00d8b5, 1);
if (ret < 0)
goto err;
+
ret = af9035_wr_reg(d, 0x00d8b3, 1);
if (ret < 0)
goto err;
+
+ tuner_addr = 0x60;
+ } else {
+ tuner_addr = 0x60 | 0x80; /* I2C bus hack */
}
/* attach tuner */
- fe = dvb_attach(mxl5007t_attach, adap->fe[0],
- &d->i2c_adap, state->tuner_address[adap->id],
- &af9035_mxl5007t_config[adap->id]);
+ fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap,
+ tuner_addr, &af9035_mxl5007t_config[adap->id]);
break;
case AF9033_TUNER_TDA18218:
/* attach tuner */
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.h b/drivers/media/usb/dvb-usb-v2/af9035.h
index e26e04d076aa..29f3eec22c2c 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.h
+++ b/drivers/media/usb/dvb-usb-v2/af9035.h
@@ -54,10 +54,7 @@ struct usb_req {
struct state {
u8 seq; /* packet sequence number */
bool dual_mode;
-
struct af9033_config af9033_config[2];
-
- u8 tuner_address[2];
};
u32 clock_lut[] = {
@@ -94,7 +91,7 @@ u32 clock_lut_it9135[] = {
/* EEPROM locations */
#define EEPROM_IR_MODE 0x430d
#define EEPROM_DUAL_MODE 0x4326
-#define EEPROM_2WIREADDR 0x4327
+#define EEPROM_2ND_DEMOD_ADDR 0x4327
#define EEPROM_IR_TYPE 0x4329
#define EEPROM_1_IFFREQ_L 0x432d
#define EEPROM_1_IFFREQ_H 0x432e

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