diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/af9035.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/af9035.c | 1086 |
1 files changed, 1086 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c new file mode 100644 index 000000000000..bb90b877d07b --- /dev/null +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -0,0 +1,1086 @@ +/* + * Afatech AF9035 DVB USB driver + * + * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> + * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "af9035.h" + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +static u16 af9035_checksum(const u8 *buf, size_t len) +{ + size_t i; + u16 checksum = 0; + + for (i = 1; i < len; i++) { + if (i % 2) + checksum += buf[i] << 8; + else + checksum += buf[i]; + } + checksum = ~checksum; + + return checksum; +} + +static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req) +{ +#define BUF_LEN 64 +#define REQ_HDR_LEN 4 /* send header size */ +#define ACK_HDR_LEN 3 /* rece header size */ +#define CHECKSUM_LEN 2 +#define USB_TIMEOUT 2000 + struct state *state = d_to_priv(d); + int ret, wlen, rlen; + u8 buf[BUF_LEN]; + u16 checksum, tmp_checksum; + + /* buffer overflow check */ + if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) || + req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) { + pr_debug("%s: too much data wlen=%d rlen=%d\n", __func__, + req->wlen, req->rlen); + return -EINVAL; + } + + buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1; + buf[1] = req->mbox; + buf[2] = req->cmd; + buf[3] = state->seq++; + memcpy(&buf[REQ_HDR_LEN], req->wbuf, req->wlen); + + wlen = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN; + rlen = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN; + + /* calc and add checksum */ + checksum = af9035_checksum(buf, buf[0] - 1); + buf[buf[0] - 1] = (checksum >> 8); + buf[buf[0] - 0] = (checksum & 0xff); + + /* no ack for these packets */ + if (req->cmd == CMD_FW_DL) + rlen = 0; + + ret = dvb_usbv2_generic_rw(d, buf, wlen, buf, rlen); + if (ret) + goto err; + + /* no ack for those packets */ + if (req->cmd == CMD_FW_DL) + goto exit; + + /* verify checksum */ + checksum = af9035_checksum(buf, rlen - 2); + tmp_checksum = (buf[rlen - 2] << 8) | buf[rlen - 1]; + if (tmp_checksum != checksum) { + pr_err("%s: command=%02x checksum mismatch (%04x != %04x)\n", + KBUILD_MODNAME, req->cmd, tmp_checksum, + checksum); + ret = -EIO; + goto err; + } + + /* check status */ + if (buf[2]) { + pr_debug("%s: command=%02x failed fw error=%d\n", __func__, + req->cmd, buf[2]); + ret = -EIO; + goto err; + } + + /* read request, copy returned data to return buf */ + if (req->rlen) + memcpy(req->rbuf, &buf[ACK_HDR_LEN], req->rlen); + +exit: + return 0; + +err: + pr_debug("%s: failed=%d\n", __func__, ret); + + return ret; +} + +/* write multiple registers */ +static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len) +{ + u8 wbuf[6 + len]; + u8 mbox = (reg >> 16) & 0xff; + struct usb_req req = { CMD_MEM_WR, mbox, sizeof(wbuf), wbuf, 0, NULL }; + + wbuf[0] = len; + wbuf[1] = 2; + wbuf[2] = 0; + wbuf[3] = 0; + wbuf[4] = (reg >> 8) & 0xff; + wbuf[5] = (reg >> 0) & 0xff; + memcpy(&wbuf[6], val, len); + + return af9035_ctrl_msg(d, &req); +} + +/* read multiple registers */ +static int af9035_rd_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len) +{ + u8 wbuf[] = { len, 2, 0, 0, (reg >> 8) & 0xff, reg & 0xff }; + u8 mbox = (reg >> 16) & 0xff; + struct usb_req req = { CMD_MEM_RD, mbox, sizeof(wbuf), wbuf, len, val }; + + return af9035_ctrl_msg(d, &req); +} + +/* write single register */ +static int af9035_wr_reg(struct dvb_usb_device *d, u32 reg, u8 val) +{ + return af9035_wr_regs(d, reg, &val, 1); +} + +/* read single register */ +static int af9035_rd_reg(struct dvb_usb_device *d, u32 reg, u8 *val) +{ + return af9035_rd_regs(d, reg, val, 1); +} + +/* write single register with mask */ +static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val, + u8 mask) +{ + int ret; + u8 tmp; + + /* no need for read if whole reg is written */ + if (mask != 0xff) { + ret = af9035_rd_regs(d, reg, &tmp, 1); + if (ret) + return ret; + + val &= mask; + tmp &= ~mask; + val |= tmp; + } + + return af9035_wr_regs(d, reg, &val, 1); +} + +static int af9035_i2c_master_xfer(struct i2c_adapter *adap, + struct i2c_msg msg[], int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + struct state *state = d_to_priv(d); + int ret; + + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + /* + * I2C sub header is 5 bytes long. Meaning of those bytes are: + * 0: data len + * 1: I2C addr << 1 + * 2: reg addr len + * byte 3 and 4 can be used as reg addr + * 3: reg addr MSB + * used when reg addr len is set to 2 + * 4: reg addr LSB + * used when reg addr len is set to 1 or 2 + * + * For the simplify we do not use register addr at all. + * NOTE: As a firmware knows tuner type there is very small possibility + * there could be some tuner I2C hacks done by firmware and this may + * lead problems if firmware expects those bytes are used. + */ + if (num == 2 && !(msg[0].flags & I2C_M_RD) && + (msg[1].flags & I2C_M_RD)) { + if (msg[0].len > 40 || msg[1].len > 40) { + /* TODO: correct limits > 40 */ + ret = -EOPNOTSUPP; + } else if (msg[0].addr == state->af9033_config[0].i2c_addr) { + /* integrated demod */ + u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 | + msg[0].buf[2]; + ret = af9035_rd_regs(d, reg, &msg[1].buf[0], + msg[1].len); + } else { + /* I2C */ + u8 buf[5 + msg[0].len]; + struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf), + buf, msg[1].len, msg[1].buf }; + buf[0] = msg[1].len; + buf[1] = msg[0].addr << 1; + buf[2] = 0x00; /* reg addr len */ + buf[3] = 0x00; /* reg addr MSB */ + buf[4] = 0x00; /* reg addr LSB */ + memcpy(&buf[5], msg[0].buf, msg[0].len); + ret = af9035_ctrl_msg(d, &req); + } + } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) { + if (msg[0].len > 40) { + /* TODO: correct limits > 40 */ + ret = -EOPNOTSUPP; + } else if (msg[0].addr == state->af9033_config[0].i2c_addr) { + /* integrated demod */ + u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 | + msg[0].buf[2]; + ret = af9035_wr_regs(d, reg, &msg[0].buf[3], + msg[0].len - 3); + } else { + /* I2C */ + u8 buf[5 + msg[0].len]; + struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf, + 0, NULL }; + buf[0] = msg[0].len; + buf[1] = msg[0].addr << 1; + buf[2] = 0x00; /* reg addr len */ + buf[3] = 0x00; /* reg addr MSB */ + buf[4] = 0x00; /* reg addr LSB */ + memcpy(&buf[5], msg[0].buf, msg[0].len); + ret = af9035_ctrl_msg(d, &req); + } + } else { + /* + * We support only two kind of I2C transactions: + * 1) 1 x read + 1 x write + * 2) 1 x write + */ + ret = -EOPNOTSUPP; + } + + mutex_unlock(&d->i2c_mutex); + + if (ret < 0) + return ret; + else + return num; +} + +static u32 af9035_i2c_functionality(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm af9035_i2c_algo = { + .master_xfer = af9035_i2c_master_xfer, + .functionality = af9035_i2c_functionality, +}; + +static int af9035_identify_state(struct dvb_usb_device *d, const char **name) +{ + int ret; + u8 wbuf[1] = { 1 }; + u8 rbuf[4]; + struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf, + sizeof(rbuf), rbuf }; + + ret = af9035_ctrl_msg(d, &req); + if (ret < 0) + goto err; + + pr_debug("%s: reply=%*ph\n", __func__, 4, rbuf); + if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3]) + ret = WARM; + else + ret = COLD; + + return ret; + +err: + pr_debug("%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_download_firmware(struct dvb_usb_device *d, + const struct firmware *fw) +{ + int ret, i, j, len; + u8 wbuf[1]; + u8 rbuf[4]; + 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; + u16 hdr_addr, hdr_data_len, hdr_checksum; + #define MAX_DATA 58 + #define HDR_SIZE 7 + + /* + * Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info! + * + * byte 0: MCS 51 core + * There are two inside the AF9035 (1=Link and 2=OFDM) with separate + * address spaces + * byte 1-2: Big endian destination address + * byte 3-4: Big endian number of data bytes following the header + * byte 5-6: Big endian header checksum, apparently ignored by the chip + * Calculated as ~(h[0]*256+h[1]+h[2]*256+h[3]+h[4]*256) + */ + + for (i = fw->size; i > HDR_SIZE;) { + hdr_core = fw->data[fw->size - i + 0]; + hdr_addr = fw->data[fw->size - i + 1] << 8; + hdr_addr |= fw->data[fw->size - i + 2] << 0; + hdr_data_len = fw->data[fw->size - i + 3] << 8; + hdr_data_len |= fw->data[fw->size - i + 4] << 0; + hdr_checksum = fw->data[fw->size - i + 5] << 8; + hdr_checksum |= fw->data[fw->size - i + 6] << 0; + + pr_debug("%s: core=%d addr=%04x data_len=%d checksum=%04x\n", + __func__, hdr_core, hdr_addr, hdr_data_len, + hdr_checksum); + + if (((hdr_core != 1) && (hdr_core != 2)) || + (hdr_data_len > i)) { + pr_debug("%s: bad firmware\n", __func__); + break; + } + + /* download begin packet */ + req.cmd = CMD_FW_DL_BEGIN; + ret = af9035_ctrl_msg(d, &req); + if (ret < 0) + goto err; + + /* download firmware packet(s) */ + for (j = HDR_SIZE + hdr_data_len; j > 0; j -= MAX_DATA) { + len = j; + if (len > MAX_DATA) + len = MAX_DATA; + req_fw_dl.wlen = len; + req_fw_dl.wbuf = (u8 *) &fw->data[fw->size - i + + HDR_SIZE + hdr_data_len - j]; + ret = af9035_ctrl_msg(d, &req_fw_dl); + if (ret < 0) + goto err; + } + + /* download end packet */ + req.cmd = CMD_FW_DL_END; + ret = af9035_ctrl_msg(d, &req); + if (ret < 0) + goto err; + + i -= hdr_data_len + HDR_SIZE; + + pr_debug("%s: data uploaded=%zu\n", __func__, fw->size - i); + } + + /* firmware loaded, request boot */ + req.cmd = CMD_FW_BOOT; + ret = af9035_ctrl_msg(d, &req); + if (ret < 0) + goto err; + + /* ensure firmware starts */ + wbuf[0] = 1; + ret = af9035_ctrl_msg(d, &req_fw_ver); + if (ret < 0) + goto err; + + if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) { + pr_err("%s: firmware did not run\n", KBUILD_MODNAME); + ret = -ENODEV; + goto err; + } + + pr_info("%s: firmware version=%d.%d.%d.%d", KBUILD_MODNAME, + rbuf[0], rbuf[1], rbuf[2], rbuf[3]); + + return 0; + +err: + pr_debug("%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_download_firmware_it9135(struct dvb_usb_device *d, + const struct firmware *fw) +{ + int ret, i, i_prev; + u8 wbuf[1]; + u8 rbuf[4]; + struct usb_req req = { 0, 0, 0, NULL, 0, NULL }; + struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL }; + struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ; + #define HDR_SIZE 7 + + /* + * There seems to be following firmware header. Meaning of bytes 0-3 + * is unknown. + * + * 0: 3 + * 1: 0, 1 + * 2: 0 + * 3: 1, 2, 3 + * 4: addr MSB + * 5: addr LSB + * 6: count of data bytes ? + */ + + for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) { + if (i == fw->size || + (fw->data[i + 0] == 0x03 && + (fw->data[i + 1] == 0x00 || + fw->data[i + 1] == 0x01) && + fw->data[i + 2] == 0x00)) { + req_fw_dl.wlen = i - i_prev; + req_fw_dl.wbuf = (u8 *) &fw->data[i_prev]; + i_prev = i; + ret = af9035_ctrl_msg(d, &req_fw_dl); + if (ret < 0) + goto err; + + pr_debug("%s: data uploaded=%d\n", __func__, i); + } + } + + /* firmware loaded, request boot */ + req.cmd = CMD_FW_BOOT; + ret = af9035_ctrl_msg(d, &req); + if (ret < 0) + goto err; + + /* ensure firmware starts */ + wbuf[0] = 1; + ret = af9035_ctrl_msg(d, &req_fw_ver); + if (ret < 0) + goto err; + + if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) { + pr_err("%s: firmware did not run\n", KBUILD_MODNAME); + ret = -ENODEV; + goto err; + } + + pr_info("%s: firmware version=%d.%d.%d.%d", KBUILD_MODNAME, + rbuf[0], rbuf[1], rbuf[2], rbuf[3]); + + return 0; + +err: + pr_debug("%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_read_config(struct dvb_usb_device *d) +{ + struct state *state = d_to_priv(d); + int ret, i, eeprom_shift = 0; + u8 tmp; + u16 tmp16; + + /* check if there is dual tuners */ + ret = af9035_rd_reg(d, EEPROM_DUAL_MODE, &tmp); + if (ret < 0) + goto err; + + state->dual_mode = tmp; + pr_debug("%s: dual mode=%d\n", __func__, state->dual_mode); + + for (i = 0; i < state->dual_mode + 1; i++) { + /* tuner */ + ret = af9035_rd_reg(d, EEPROM_1_TUNER_ID + eeprom_shift, &tmp); + if (ret < 0) + goto err; + + state->af9033_config[i].tuner = tmp; + pr_debug("%s: [%d]tuner=%02x\n", __func__, i, tmp); + + switch (tmp) { + case AF9033_TUNER_TUA9001: + case AF9033_TUNER_FC0011: + case AF9033_TUNER_MXL5007T: + case AF9033_TUNER_TDA18218: + state->af9033_config[i].spec_inv = 1; + break; + default: + pr_info("%s: tuner ID=%02x not supported, please " \ + "report!", KBUILD_MODNAME, tmp); + }; + + /* tuner IF frequency */ + ret = af9035_rd_reg(d, EEPROM_1_IFFREQ_L + eeprom_shift, &tmp); + if (ret < 0) + goto err; + + tmp16 = tmp; + + ret = af9035_rd_reg(d, EEPROM_1_IFFREQ_H + eeprom_shift, &tmp); + if (ret < 0) + goto err; + + tmp16 |= tmp << 8; + + pr_debug("%s: [%d]IF=%d\n", __func__, i, tmp16); + + eeprom_shift = 0x10; /* shift for the 2nd tuner params */ + } + + /* get demod clock */ + ret = af9035_rd_reg(d, 0x00d800, &tmp); + if (ret < 0) + goto err; + + tmp = (tmp >> 0) & 0x0f; + + for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) + state->af9033_config[i].clock = clock_lut[tmp]; + + return 0; + +err: + pr_debug("%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_read_config_it9135(struct dvb_usb_device *d) +{ + struct state *state = d_to_priv(d); + int ret, i; + u8 tmp; + + state->dual_mode = false; + + /* get demod clock */ + ret = af9035_rd_reg(d, 0x00d800, &tmp); + if (ret < 0) + goto err; + + tmp = (tmp >> 0) & 0x0f; + + for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) + state->af9033_config[i].clock = clock_lut_it9135[tmp]; + + return 0; + +err: + pr_debug("%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d, + int cmd, int arg) +{ + int ret; + + switch (cmd) { + case FC0011_FE_CALLBACK_POWER: + /* Tuner enable */ + ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1); + if (ret < 0) + goto err; + + /* LED */ + ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1); + if (ret < 0) + goto err; + + usleep_range(10000, 50000); + break; + case FC0011_FE_CALLBACK_RESET: + ret = af9035_wr_reg(d, 0xd8e9, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg(d, 0xd8e8, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg(d, 0xd8e7, 1); + if (ret < 0) + goto err; + + usleep_range(10000, 20000); + + ret = af9035_wr_reg(d, 0xd8e7, 0); + if (ret < 0) + goto err; + + usleep_range(10000, 20000); + break; + default: + ret = -EINVAL; + goto err; + } + + return 0; + +err: + pr_debug("%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg) +{ + struct state *state = d_to_priv(d); + + switch (state->af9033_config[0].tuner) { + case AF9033_TUNER_FC0011: + return af9035_fc0011_tuner_callback(d, cmd, arg); + default: + break; + } + + return -ENODEV; +} + +static int af9035_frontend_callback(void *adapter_priv, int component, + int cmd, int arg) +{ + struct i2c_adapter *adap = adapter_priv; + struct dvb_usb_device *d = i2c_get_adapdata(adap); + + switch (component) { + case DVB_FRONTEND_COMPONENT_TUNER: + return af9035_tuner_callback(d, cmd, arg); + default: + break; + } + + return -EINVAL; +} + +static int af9035_frontend_attach(struct dvb_usb_adapter *adap) +{ + struct state *state = adap_to_priv(adap); + struct dvb_usb_device *d = adap_to_d(adap); + int ret; + + if (!state->af9033_config[adap->id].tuner) { + /* unsupported tuner */ + ret = -ENODEV; + goto err; + } + + if (adap->id == 0) { + state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB; + state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL; + + ret = af9035_wr_reg(d, 0x00417f, + state->af9033_config[1].i2c_addr); + if (ret < 0) + goto err; + + 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); + if (adap->fe[0] == NULL) { + ret = -ENODEV; + goto err; + } + + /* disable I2C-gate */ + adap->fe[0]->ops.i2c_gate_ctrl = NULL; + adap->fe[0]->callback = af9035_frontend_callback; + + return 0; + +err: + pr_debug("%s: failed=%d\n", __func__, ret); + + return ret; +} + +static struct tua9001_config af9035_tua9001_config = { + .i2c_addr = 0x60, +}; + +static const struct fc0011_config af9035_fc0011_config = { + .i2c_address = 0x60, +}; + +static struct mxl5007t_config af9035_mxl5007t_config = { + .xtal_freq_hz = MxL_XTAL_24_MHZ, + .if_freq_hz = MxL_IF_4_57_MHZ, + .invert_if = 0, + .loop_thru_enable = 0, + .clk_out_enable = 0, + .clk_out_amp = MxL_CLKOUT_AMP_0_94V, +}; + +static struct tda18218_config af9035_tda18218_config = { + .i2c_address = 0x60, + .i2c_wr_max = 21, +}; + +static int af9035_tuner_attach(struct dvb_usb_adapter *adap) +{ + struct state *state = adap_to_priv(adap); + struct dvb_usb_device *d = adap_to_d(adap); + int ret; + struct dvb_frontend *fe; + + switch (state->af9033_config[adap->id].tuner) { + case AF9033_TUNER_TUA9001: + /* AF9035 gpiot3 = TUA9001 RESETN + AF9035 gpiot2 = TUA9001 RXEN */ + + /* configure gpiot2 and gpiot2 as output */ + ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01); + if (ret < 0) + goto err; + + /* reset tuner */ + ret = af9035_wr_reg_mask(d, 0x00d8e7, 0x00, 0x01); + if (ret < 0) + goto err; + + usleep_range(2000, 20000); + + ret = af9035_wr_reg_mask(d, 0x00d8e7, 0x01, 0x01); + if (ret < 0) + goto err; + + /* activate tuner RX */ + /* TODO: use callback for TUA9001 RXEN */ + ret = af9035_wr_reg_mask(d, 0x00d8eb, 0x01, 0x01); + if (ret < 0) + goto err; + + /* attach tuner */ + fe = dvb_attach(tua9001_attach, adap->fe[0], + &d->i2c_adap, &af9035_tua9001_config); + break; + case AF9033_TUNER_FC0011: + fe = dvb_attach(fc0011_attach, adap->fe[0], + &d->i2c_adap, &af9035_fc0011_config); + break; + case AF9033_TUNER_MXL5007T: + 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; + + msleep(30); + + ret = af9035_wr_reg(d, 0x00d8df, 1); + if (ret < 0) + goto err; + + msleep(300); + + 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; + + /* attach tuner */ + fe = dvb_attach(mxl5007t_attach, adap->fe[0], + &d->i2c_adap, 0x60, &af9035_mxl5007t_config); + break; + case AF9033_TUNER_TDA18218: + /* attach tuner */ + fe = dvb_attach(tda18218_attach, adap->fe[0], + &d->i2c_adap, &af9035_tda18218_config); + break; + default: + fe = NULL; + } + + if (fe == NULL) { + ret = -ENODEV; + goto err; + } + + return 0; + +err: + pr_debug("%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_init(struct dvb_usb_device *d) +{ + struct state *state = d_to_priv(d); + int ret, i; + u16 frame_size = 87 * 188 / 4; + u8 packet_size = 512 / 4; + struct reg_val_mask tab[] = { + { 0x80f99d, 0x01, 0x01 }, + { 0x80f9a4, 0x01, 0x01 }, + { 0x00dd11, 0x00, 0x20 }, + { 0x00dd11, 0x00, 0x40 }, + { 0x00dd13, 0x00, 0x20 }, + { 0x00dd13, 0x00, 0x40 }, + { 0x00dd11, 0x20, 0x20 }, + { 0x00dd88, (frame_size >> 0) & 0xff, 0xff}, + { 0x00dd89, (frame_size >> 8) & 0xff, 0xff}, + { 0x00dd0c, packet_size, 0xff}, + { 0x00dd11, state->dual_mode << 6, 0x40 }, + { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff}, + { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff}, + { 0x00dd0d, packet_size, 0xff }, + { 0x80f9a3, 0x00, 0x01 }, + { 0x80f9cd, 0x00, 0x01 }, + { 0x80f99d, 0x00, 0x01 }, + { 0x80f9a4, 0x00, 0x01 }, + }; + + pr_debug("%s: USB speed=%d frame_size=%04x packet_size=%02x\n", + __func__, d->udev->speed, frame_size, packet_size); + + /* init endpoints */ + for (i = 0; i < ARRAY_SIZE(tab); i++) { + ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val, + tab[i].mask); + if (ret < 0) + goto err; + } + + return 0; + +err: + pr_debug("%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_rc_query(struct dvb_usb_device *d) +{ + unsigned int key; + unsigned char b[4]; + int ret; + struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, b }; + + ret = af9035_ctrl_msg(d, &req); + if (ret < 0) + goto err; + + if ((b[2] + b[3]) == 0xff) { + if ((b[0] + b[1]) == 0xff) { + /* NEC */ + key = b[0] << 8 | b[2]; + } else { + /* ext. NEC */ + key = b[0] << 16 | b[1] << 8 | b[2]; + } + } else { + key = b[0] << 24 | b[1] << 16 | b[2] << 8 | b[3]; + } + + rc_keydown(d->rc_dev, key, 0); + +err: + /* ignore errors */ + return 0; +} + +static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) +{ + int ret; + u8 tmp; + + ret = af9035_rd_reg(d, EEPROM_IR_MODE, &tmp); + if (ret < 0) + goto err; + + pr_debug("%s: ir_mode=%02x\n", __func__, tmp); + + /* don't activate rc if in HID mode or if not available */ + if (tmp == 5) { + ret = af9035_rd_reg(d, EEPROM_IR_TYPE, &tmp); + if (ret < 0) + goto err; + + pr_debug("%s: ir_type=%02x\n", __func__, tmp); + + switch (tmp) { + case 0: /* NEC */ + default: + rc->allowed_protos = RC_TYPE_NEC; + break; + case 1: /* RC6 */ + rc->allowed_protos = RC_TYPE_RC6; + break; + } + + rc->query = af9035_rc_query; + rc->interval = 500; + + /* load empty to enable rc */ + if (!rc->map_name) + rc->map_name = RC_MAP_EMPTY; + } + + return 0; + +err: + pr_debug("%s: failed=%d\n", __func__, ret); + + return ret; +} + +/* interface 0 is used by DVB-T receiver and + interface 1 is for remote controller (HID) */ +static const struct dvb_usb_device_properties af9035_props = { + .driver_name = KBUILD_MODNAME, + .owner = THIS_MODULE, + .adapter_nr = adapter_nr, + .size_of_priv = sizeof(struct state), + + .generic_bulk_ctrl_endpoint = 0x02, + .generic_bulk_ctrl_endpoint_response = 0x81, + + .identify_state = af9035_identify_state, + .firmware = "dvb-usb-af9035-02.fw", + .download_firmware = af9035_download_firmware, + + .i2c_algo = &af9035_i2c_algo, + .read_config = af9035_read_config, + .frontend_attach = af9035_frontend_attach, + .tuner_attach = af9035_tuner_attach, + .init = af9035_init, + .get_rc_config = af9035_get_rc_config, + + .num_adapters = 1, + .adapter = { + { + .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188), + }, { + .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188), + }, + }, +}; + +static const struct dvb_usb_device_properties it9135_props = { + .driver_name = KBUILD_MODNAME, + .owner = THIS_MODULE, + .adapter_nr = adapter_nr, + .size_of_priv = sizeof(struct state), + + .generic_bulk_ctrl_endpoint = 0x02, + .generic_bulk_ctrl_endpoint_response = 0x81, + + .identify_state = af9035_identify_state, + .firmware = "dvb-usb-it9135-01.fw", + .download_firmware = af9035_download_firmware_it9135, + + .i2c_algo = &af9035_i2c_algo, + .read_config = af9035_read_config_it9135, + .frontend_attach = af9035_frontend_attach, + .tuner_attach = af9035_tuner_attach, + .init = af9035_init, + .get_rc_config = af9035_get_rc_config, + + .num_adapters = 1, + .adapter = { + { + .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188), + }, { + .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188), + }, + }, +}; + +static const struct usb_device_id af9035_id_table[] = { + { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035, + &af9035_props, "Afatech AF9035 reference design", NULL) }, + { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000, + &af9035_props, "Afatech AF9035 reference design", NULL) }, + { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001, + &af9035_props, "Afatech AF9035 reference design", NULL) }, + { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002, + &af9035_props, "Afatech AF9035 reference design", NULL) }, + { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003, + &af9035_props, "Afatech AF9035 reference design", NULL) }, + { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK, + &af9035_props, "TerraTec Cinergy T Stick", NULL) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835, + &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835, + &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867, + &af9035_props, "AVerMedia HD Volar (A867)", NULL) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867, + &af9035_props, "AVerMedia HD Volar (A867)", NULL) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR, + &af9035_props, "AVerMedia Twinstar (A825)", NULL) }, + { } +}; +MODULE_DEVICE_TABLE(usb, af9035_id_table); + +static struct usb_driver af9035_usb_driver = { + .name = KBUILD_MODNAME, + .id_table = af9035_id_table, + .probe = dvb_usbv2_probe, + .disconnect = dvb_usbv2_disconnect, + .suspend = dvb_usbv2_suspend, + .resume = dvb_usbv2_resume, + .no_dynamic_id = 1, + .soft_unbind = 1, +}; + +module_usb_driver(af9035_usb_driver); + +MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); +MODULE_DESCRIPTION("Afatech AF9035 driver"); +MODULE_LICENSE("GPL"); |
