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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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[media] af9035: add auto configuration heuristic for it9135
Detect automatically multiple chip versions and select configuration according to that. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
parent
ac77fb0f0c
commit
74c1883a56
@ -292,12 +292,38 @@ static struct i2c_algorithm af9035_i2c_algo = {
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static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
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{
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struct state *state = d_to_priv(d);
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int ret;
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u8 wbuf[1] = { 1 };
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u8 rbuf[4];
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struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
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sizeof(rbuf), rbuf };
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ret = af9035_rd_regs(d, 0x1222, rbuf, 3);
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if (ret < 0)
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goto err;
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state->chip_version = rbuf[0];
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state->chip_type = rbuf[2] << 8 | rbuf[1] << 0;
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ret = af9035_rd_reg(d, 0x384f, &state->prechip_version);
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if (ret < 0)
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goto err;
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dev_info(&d->udev->dev,
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"%s: prechip_version=%02x chip_version=%02x chip_type=%04x\n",
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__func__, state->prechip_version, state->chip_version,
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state->chip_type);
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if (state->chip_type == 0x9135) {
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if (state->chip_version == 2)
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*name = AF9035_FIRMWARE_IT9135_V2;
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else
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*name = AF9035_FIRMWARE_IT9135_V1;
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} else {
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*name = AF9035_FIRMWARE_AF9035;
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}
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ret = af9035_ctrl_msg(d, &req);
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if (ret < 0)
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goto err;
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@ -316,7 +342,7 @@ static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
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return ret;
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}
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static int af9035_download_firmware(struct dvb_usb_device *d,
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static int af9035_download_firmware_af9035(struct dvb_usb_device *d,
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const struct firmware *fw)
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{
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int ret, i, j, len;
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@ -543,7 +569,18 @@ static int af9035_download_firmware_it9135(struct dvb_usb_device *d,
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return ret;
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}
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static int af9035_read_config(struct dvb_usb_device *d)
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static int af9035_download_firmware(struct dvb_usb_device *d,
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const struct firmware *fw)
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{
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struct state *state = d_to_priv(d);
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if (state->chip_type == 0x9135)
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return af9035_download_firmware_it9135(d, fw);
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else
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return af9035_download_firmware_af9035(d, fw);
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}
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static int af9035_read_config_af9035(struct dvb_usb_device *d)
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{
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struct state *state = d_to_priv(d);
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int ret, i, eeprom_shift = 0;
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@ -658,6 +695,27 @@ static int af9035_read_config_it9135(struct dvb_usb_device *d)
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state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
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state->dual_mode = false;
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/* check if eeprom exists */
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if (state->chip_version == 2)
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ret = af9035_rd_reg(d, 0x00461d, &tmp);
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else
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ret = af9035_rd_reg(d, 0x00461b, &tmp);
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if (ret < 0)
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goto err;
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if (tmp) {
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/* tuner */
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ret = af9035_rd_reg(d, 0x0049d0, &tmp);
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if (ret < 0)
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goto err;
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dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
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__func__, 0, tmp);
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if (tmp)
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state->af9033_config[0].tuner = tmp;
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}
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/* get demod clock */
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ret = af9035_rd_reg(d, 0x00d800, &tmp);
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if (ret < 0)
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@ -676,6 +734,16 @@ static int af9035_read_config_it9135(struct dvb_usb_device *d)
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return ret;
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}
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static int af9035_read_config(struct dvb_usb_device *d)
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{
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struct state *state = d_to_priv(d);
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if (state->chip_type == 0x9135)
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return af9035_read_config_it9135(d);
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else
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return af9035_read_config_af9035(d);
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}
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static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
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int cmd, int arg)
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{
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@ -1101,7 +1169,13 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
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&af9035_fc0012_config[adap->id]);
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break;
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case AF9033_TUNER_IT9135_38:
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case AF9033_TUNER_IT9135_51:
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case AF9033_TUNER_IT9135_52:
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case AF9033_TUNER_IT9135_60:
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case AF9033_TUNER_IT9135_61:
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case AF9033_TUNER_IT9135_62:
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/* attach tuner */
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af9035_it913x_config.tuner_id_0 = state->af9033_config[0].tuner;
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fe = dvb_attach(it913x_attach, adap->fe[0],
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&d->i2c_adap, 0x38, &af9035_it913x_config);
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break;
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@ -1202,9 +1276,14 @@ static int af9035_rc_query(struct dvb_usb_device *d)
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static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
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{
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struct state *state = d_to_priv(d);
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int ret;
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u8 tmp;
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/* TODO: IT9135 remote control support */
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if (state->chip_type == 0x9135)
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return 0;
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ret = af9035_rd_reg(d, EEPROM_IR_MODE, &tmp);
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if (ret < 0)
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goto err;
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@ -1260,7 +1339,6 @@ static const struct dvb_usb_device_properties af9035_props = {
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.generic_bulk_ctrl_endpoint_response = 0x81,
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.identify_state = af9035_identify_state,
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.firmware = AF9035_FIRMWARE_AF9035,
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.download_firmware = af9035_download_firmware,
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.i2c_algo = &af9035_i2c_algo,
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@ -1280,35 +1358,6 @@ static const struct dvb_usb_device_properties af9035_props = {
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},
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};
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static const struct dvb_usb_device_properties it9135_props = {
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.driver_name = KBUILD_MODNAME,
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.owner = THIS_MODULE,
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.adapter_nr = adapter_nr,
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.size_of_priv = sizeof(struct state),
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.generic_bulk_ctrl_endpoint = 0x02,
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.generic_bulk_ctrl_endpoint_response = 0x81,
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.identify_state = af9035_identify_state,
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.firmware = AF9035_FIRMWARE_IT9135,
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.download_firmware = af9035_download_firmware_it9135,
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.i2c_algo = &af9035_i2c_algo,
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.read_config = af9035_read_config_it9135,
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.frontend_attach = af9035_frontend_attach,
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.tuner_attach = af9035_tuner_attach,
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.init = af9035_init,
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.num_adapters = 1,
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.adapter = {
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{
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.stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
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}, {
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.stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
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},
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},
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};
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static const struct usb_device_id af9035_id_table[] = {
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{ DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
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&af9035_props, "Afatech AF9035 reference design", NULL) },
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@ -1358,4 +1407,5 @@ MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
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MODULE_DESCRIPTION("Afatech AF9035 driver");
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MODULE_LICENSE("GPL");
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MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
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MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135);
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MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1);
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MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2);
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@ -57,6 +57,9 @@ struct state {
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u8 buf[BUF_LEN];
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u8 seq; /* packet sequence number */
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bool dual_mode;
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u8 prechip_version;
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u8 chip_version;
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u16 chip_type;
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struct af9033_config af9033_config[2];
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};
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@ -89,7 +92,8 @@ u32 clock_lut_it9135[] = {
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};
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#define AF9035_FIRMWARE_AF9035 "dvb-usb-af9035-02.fw"
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#define AF9035_FIRMWARE_IT9135 "dvb-usb-it9135-01.fw"
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#define AF9035_FIRMWARE_IT9135_V1 "dvb-usb-it9135-01.fw"
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#define AF9035_FIRMWARE_IT9135_V2 "dvb-usb-it9135-02.fw"
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/* EEPROM locations */
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#define EEPROM_IR_MODE 0x430d
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