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Commit 09bfd96c authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] af9035: read and store whole eeprom 

Read eeprom content to chip state and read values there when needed.
Also debug dump eeprom content.
Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent c62d29c8
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Showing with 60 additions and 71 deletions
drivers/media/usb/dvb-usb-v2/af9035.c
View file @ 09bfd96c
......@@ -496,7 +496,8 @@ static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
{
struct state *state = d_to_priv(d);
struct usb_interface *intf = d->intf;
int ret, ts_mode_invalid;
int ret, i, ts_mode_invalid;
unsigned int utmp, eeprom_addr;
u8 tmp;
u8 wbuf[1] = { 1 };
u8 rbuf[4];
......@@ -518,25 +519,48 @@ static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
state->prechip_version, state->chip_version, state->chip_type);
if (state->chip_type == 0x9135) {
if (state->chip_version == 0x02)
if (state->chip_version == 0x02) {
*name = AF9035_FIRMWARE_IT9135_V2;
else
utmp = 0x00461d;
} else {
*name = AF9035_FIRMWARE_IT9135_V1;
state->eeprom_addr = EEPROM_BASE_IT9135;
utmp = 0x00461b;
}
/* Check if eeprom exists */
ret = af9035_rd_reg(d, utmp, &tmp);
if (ret < 0)
goto err;
if (tmp == 0x00) {
dev_dbg(&intf->dev, "no eeprom\n");
state->no_eeprom = true;
goto check_firmware_status;
}
eeprom_addr = EEPROM_BASE_IT9135;
} else if (state->chip_type == 0x9306) {
*name = AF9035_FIRMWARE_IT9303;
state->eeprom_addr = EEPROM_BASE_IT9135;
state->no_eeprom = true;
goto check_firmware_status;
} else {
*name = AF9035_FIRMWARE_AF9035;
state->eeprom_addr = EEPROM_BASE_AF9035;
eeprom_addr = EEPROM_BASE_AF9035;
}
/* Read and store eeprom */
for (i = 0; i < 256; i += 32) {
ret = af9035_rd_regs(d, eeprom_addr + i, &state->eeprom[i], 32);
if (ret < 0)
goto err;
}
dev_dbg(&intf->dev, "eeprom dump:\n");
for (i = 0; i < 256; i += 16)
dev_dbg(&intf->dev, "%*ph\n", 16, &state->eeprom[i]);
/* check for dual tuner mode */
ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
if (ret < 0)
goto err;
tmp = state->eeprom[EEPROM_TS_MODE];
ts_mode_invalid = 0;
switch (tmp) {
case 0:
......@@ -560,7 +584,7 @@ static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
if (ts_mode_invalid)
dev_info(&intf->dev, "ts mode=%d not supported, defaulting to single tuner mode!", tmp);
check_firmware_status:
ret = af9035_ctrl_msg(d, &req);
if (ret < 0)
goto err;
......@@ -750,11 +774,7 @@ static int af9035_download_firmware(struct dvb_usb_device *d,
goto err;
/* tell the slave I2C address */
ret = af9035_rd_reg(d,
state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
&tmp);
if (ret < 0)
goto err;
tmp = state->eeprom[EEPROM_2ND_DEMOD_ADDR];
/* use default I2C address if eeprom has no address set */
if (!tmp)
......@@ -819,7 +839,7 @@ static int af9035_read_config(struct dvb_usb_device *d)
struct state *state = d_to_priv(d);
int ret, i;
u8 tmp;
u16 tmp16, addr;
u16 tmp16;
/* demod I2C "address" */
state->af9033_i2c_addr[0] = 0x38;
......@@ -837,20 +857,16 @@ static int af9035_read_config(struct dvb_usb_device *d)
if (state->chip_version == 0x02) {
state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;
tmp16 = 0x00461d; /* eeprom memory mapped location */
} else {
state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;
tmp16 = 0x00461b; /* eeprom memory mapped location */
}
/* check if eeprom exists */
ret = af9035_rd_reg(d, tmp16, &tmp);
if (ret < 0)
goto err;
if (state->no_eeprom) {
/* Remote controller to NEC polling by default */
state->ir_mode = 0x05;
state->ir_type = 0x00;
if (tmp == 0x00) {
dev_dbg(&intf->dev, "no eeprom\n");
goto skip_eeprom;
}
} else if (state->chip_type == 0x9306) {
......@@ -861,29 +877,24 @@ static int af9035_read_config(struct dvb_usb_device *d)
return 0;
}
/* Remote controller */
state->ir_mode = state->eeprom[EEPROM_IR_MODE];
state->ir_type = state->eeprom[EEPROM_IR_TYPE];
if (state->dual_mode) {
/* read 2nd demodulator I2C address */
ret = af9035_rd_reg(d,
state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
&tmp);
if (ret < 0)
goto err;
tmp = state->eeprom[EEPROM_2ND_DEMOD_ADDR];
if (tmp)
state->af9033_i2c_addr[1] = tmp;
dev_dbg(&intf->dev, "2nd demod I2C addr=%02x\n", tmp);
}
addr = state->eeprom_addr;
for (i = 0; i < state->dual_mode + 1; i++) {
/* tuner */
ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp);
if (ret < 0)
goto err;
unsigned int eeprom_offset = 0;
/* tuner */
tmp = state->eeprom[EEPROM_1_TUNER_ID + eeprom_offset];
dev_dbg(&intf->dev, "[%d]tuner=%02x\n", i, tmp);
/* tuner sanity check */
......@@ -956,21 +967,13 @@ static int af9035_read_config(struct dvb_usb_device *d)
}
/* tuner IF frequency */
ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp);
if (ret < 0)
goto err;
tmp16 = tmp;
ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp);
if (ret < 0)
goto err;
tmp = state->eeprom[EEPROM_1_IF_L + eeprom_offset];
tmp16 = tmp << 0;
tmp = state->eeprom[EEPROM_1_IF_H + eeprom_offset];
tmp16 |= tmp << 8;
dev_dbg(&intf->dev, "[%d]IF=%d\n", i, tmp16);
addr += 0x10; /* shift for the 2nd tuner params */
eeprom_offset += 0x10; /* shift for the 2nd tuner params */
}
skip_eeprom:
......@@ -1872,25 +1875,13 @@ static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
{
struct state *state = d_to_priv(d);
struct usb_interface *intf = d->intf;
int ret;
u8 tmp;
ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp);
if (ret < 0)
goto err;
dev_dbg(&intf->dev, "ir_mode=%02x\n", tmp);
dev_dbg(&intf->dev, "ir_mode=%02x ir_type=%02x\n",
state->ir_mode, state->ir_type);
/* don't activate rc if in HID mode or if not available */
if (tmp == 5) {
ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE,
&tmp);
if (ret < 0)
goto err;
dev_dbg(&intf->dev, "ir_type=%02x\n", tmp);
switch (tmp) {
if (state->ir_mode == 0x05) {
switch (state->ir_type) {
case 0: /* NEC */
default:
rc->allowed_protos = RC_BIT_NEC | RC_BIT_NECX |
......@@ -1910,11 +1901,6 @@ static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
}
return 0;
err:
dev_dbg(&intf->dev, "failed=%d\n", ret);
return ret;
}
#else
#define af9035_get_rc_config NULL
......
drivers/media/usb/dvb-usb-v2/af9035.h
View file @ 09bfd96c
......@@ -61,9 +61,12 @@ struct state {
u8 prechip_version;
u8 chip_version;
u16 chip_type;
u8 eeprom[256];
bool no_eeprom;
u8 ir_mode;
u8 ir_type;
u8 dual_mode:1;
u8 no_read:1;
u16 eeprom_addr;
u8 af9033_i2c_addr[2];
struct af9033_config af9033_config[2];
struct af9033_ops ops;
......
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