From: Steven Toth Date: Sat, 19 Apr 2008 00:34:00 +0000 (-0300) Subject: V4L/DVB (7621): Add support for Hauppauge HVR950Q/HVR850/FusioHDTV7-USB X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=265a6510629ab39f33ece43a857089dd37978184;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git V4L/DVB (7621): Add support for Hauppauge HVR950Q/HVR850/FusioHDTV7-USB Including support for the AU0828 USB Bridge. Including support for the AU8522 ATSC/QAM Demodulator. Including support for the AU8522 ATSC/QAM Demodulator. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index 4284a3092c14..ae3659be323f 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -291,6 +291,14 @@ config DVB_S5H1409 An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want to support this frontend. +config DVB_AU8522 + tristate "Auvitek AU8522 based" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want + to support this frontend. + comment "Tuners/PLL support" depends on DVB_CORE diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 129367886bcc..8e23a30ed3be 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -53,3 +53,4 @@ obj-$(CONFIG_DVB_TUNER_MT2131) += mt2131.o obj-$(CONFIG_DVB_S5H1409) += s5h1409.o obj-$(CONFIG_DVB_TUNER_XC5000) += xc5000.o obj-$(CONFIG_DVB_TUNER_ITD1000) += itd1000.o +obj-$(CONFIG_DVB_AU8522) += au8522.o diff --git a/drivers/media/dvb/frontends/au8522.c b/drivers/media/dvb/frontends/au8522.c new file mode 100644 index 000000000000..d3c44b95e240 --- /dev/null +++ b/drivers/media/dvb/frontends/au8522.c @@ -0,0 +1,448 @@ +/* + Auvitek AU8522 QAM/8VSB demodulator driver + + Copyright (C) 2008 Steven Toth + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include +#include +#include +#include +#include +#include +#include "dvb_frontend.h" +#include "dvb-pll.h" +#include "au8522.h" + +struct au8522_state { + + struct i2c_adapter* i2c; + + /* configuration settings */ + const struct au8522_config* config; + + struct dvb_frontend frontend; + + u32 current_frequency; + fe_modulation_t current_modulation; + +}; + +static int debug = 0; +#define dprintk if (debug) printk + +/* 16 bit registers, 8 bit values */ +static int au8522_writereg(struct au8522_state* state, u16 reg, u8 data) +{ + int ret; + u8 buf [] = { reg >> 8, reg & 0xff, data }; + + struct i2c_msg msg = { .addr = state->config->demod_address, + .flags = 0, .buf = buf, .len = 3 }; + + ret = i2c_transfer(state->i2c, &msg, 1); + + if (ret != 1) + printk("%s: writereg error (reg == 0x%02x, val == 0x%04x, " + "ret == %i)\n", __FUNCTION__, reg, data, ret); + + return (ret != 1) ? -1 : 0; +} + +static u8 au8522_readreg(struct au8522_state* state, u16 reg) +{ + int ret; + u8 b0 [] = { reg >> 8, reg & 0xff }; + u8 b1 [] = { 0 }; + + struct i2c_msg msg [] = { + { .addr = state->config->demod_address, .flags = 0, + .buf = b0, .len = 2 }, + { .addr = state->config->demod_address, .flags = I2C_M_RD, + .buf = b1, .len = 1 } }; + + ret = i2c_transfer(state->i2c, msg, 2); + + if (ret != 2) + printk("%s: readreg error (ret == %i)\n", __FUNCTION__, ret); + return b1[0]; +} + +static int au8522_i2c_gate_ctrl(struct dvb_frontend* fe, int enable) +{ + struct au8522_state* state = fe->demodulator_priv; + + dprintk("%s(%d)\n", __FUNCTION__, enable); + + if (enable) + return au8522_writereg(state, 0x106, 1); + else + return au8522_writereg(state, 0x106, 0); +} + +static int au8522_enable_modulation(struct dvb_frontend* fe, + fe_modulation_t m) +{ + struct au8522_state* state = fe->demodulator_priv; + + dprintk("%s(0x%08x)\n", __FUNCTION__, m); + + switch(m) { + case VSB_8: + dprintk("%s() VSB_8\n", __FUNCTION__); + + //au8522_writereg(state, 0x410b, 0x84); // Serial + + //au8522_writereg(state, 0x8090, 0x82); + au8522_writereg(state, 0x8090, 0x84); + au8522_writereg(state, 0x4092, 0x11); + au8522_writereg(state, 0x2005, 0x00); + au8522_writereg(state, 0x8091, 0x80); + + au8522_writereg(state, 0x80a3, 0x0c); + au8522_writereg(state, 0x80a4, 0xe8); + au8522_writereg(state, 0x8081, 0xc4); + au8522_writereg(state, 0x80a5, 0x40); + au8522_writereg(state, 0x80a7, 0x40); + au8522_writereg(state, 0x80a6, 0x67); + au8522_writereg(state, 0x8262, 0x20); + au8522_writereg(state, 0x821c, 0x30); + au8522_writereg(state, 0x80d8, 0x1a); + au8522_writereg(state, 0x8227, 0xa0); + au8522_writereg(state, 0x8121, 0xff); + au8522_writereg(state, 0x80a8, 0xf0); + au8522_writereg(state, 0x80a9, 0x05); + au8522_writereg(state, 0x80aa, 0x77); + au8522_writereg(state, 0x80ab, 0xf0); + au8522_writereg(state, 0x80ac, 0x05); + au8522_writereg(state, 0x80ad, 0x77); + au8522_writereg(state, 0x80ae, 0x41); + au8522_writereg(state, 0x80af, 0x66); + au8522_writereg(state, 0x821b, 0xcc); + au8522_writereg(state, 0x821d, 0x80); + au8522_writereg(state, 0x80b5, 0xfb); + au8522_writereg(state, 0x80b6, 0x8e); + au8522_writereg(state, 0x80b7, 0x39); + au8522_writereg(state, 0x80a4, 0xe8); + au8522_writereg(state, 0x8231, 0x13); + break; + case QAM_64: + case QAM_256: + au8522_writereg(state, 0x80a3, 0x09); + au8522_writereg(state, 0x80a4, 0x00); + au8522_writereg(state, 0x8081, 0xc4); + au8522_writereg(state, 0x80a5, 0x40); + au8522_writereg(state, 0x80b5, 0xfb); + au8522_writereg(state, 0x80b6, 0x8e); + au8522_writereg(state, 0x80b7, 0x39); + au8522_writereg(state, 0x80aa, 0x77); + au8522_writereg(state, 0x80ad, 0x77); + au8522_writereg(state, 0x80a6, 0x67); + au8522_writereg(state, 0x8262, 0x20); + au8522_writereg(state, 0x821c, 0x30); + au8522_writereg(state, 0x80b8, 0x3e); + au8522_writereg(state, 0x80b9, 0xf0); + au8522_writereg(state, 0x80ba, 0x01); + au8522_writereg(state, 0x80bb, 0x18); + au8522_writereg(state, 0x80bc, 0x50); + au8522_writereg(state, 0x80bd, 0x00); + au8522_writereg(state, 0x80be, 0xea); + au8522_writereg(state, 0x80bf, 0xef); + au8522_writereg(state, 0x80c0, 0xfc); + au8522_writereg(state, 0x80c1, 0xbd); + au8522_writereg(state, 0x80c2, 0x1f); + au8522_writereg(state, 0x80c3, 0xfc); + au8522_writereg(state, 0x80c4, 0xdd); + au8522_writereg(state, 0x80c5, 0xaf); + au8522_writereg(state, 0x80c6, 0x00); + au8522_writereg(state, 0x80c7, 0x38); + au8522_writereg(state, 0x80c8, 0x30); + au8522_writereg(state, 0x80c9, 0x05); + au8522_writereg(state, 0x80ca, 0x4a); + au8522_writereg(state, 0x80cb, 0xd0); + au8522_writereg(state, 0x80cc, 0x01); + au8522_writereg(state, 0x80cd, 0xd9); + au8522_writereg(state, 0x80ce, 0x6f); + au8522_writereg(state, 0x80cf, 0xf9); + au8522_writereg(state, 0x80d0, 0x70); + au8522_writereg(state, 0x80d1, 0xdf); + au8522_writereg(state, 0x80d2, 0xf7); + au8522_writereg(state, 0x80d3, 0xc2); + au8522_writereg(state, 0x80d4, 0xdf); + au8522_writereg(state, 0x80d5, 0x02); + au8522_writereg(state, 0x80d6, 0x9a); + au8522_writereg(state, 0x80d7, 0xd0); + au8522_writereg(state, 0x8250, 0x0d); + au8522_writereg(state, 0x8251, 0xcd); + au8522_writereg(state, 0x8252, 0xe0); + au8522_writereg(state, 0x8253, 0x05); + au8522_writereg(state, 0x8254, 0xa7); + au8522_writereg(state, 0x8255, 0xff); + au8522_writereg(state, 0x8256, 0xed); + au8522_writereg(state, 0x8257, 0x5b); + au8522_writereg(state, 0x8258, 0xae); + au8522_writereg(state, 0x8259, 0xe6); + au8522_writereg(state, 0x825a, 0x3d); + au8522_writereg(state, 0x825b, 0x0f); + au8522_writereg(state, 0x825c, 0x0d); + au8522_writereg(state, 0x825d, 0xea); + au8522_writereg(state, 0x825e, 0xf2); + au8522_writereg(state, 0x825f, 0x51); + au8522_writereg(state, 0x8260, 0xf5); + au8522_writereg(state, 0x8261, 0x06); + au8522_writereg(state, 0x821a, 0x00); + au8522_writereg(state, 0x8546, 0x40); + au8522_writereg(state, 0x8210, 0x26); + au8522_writereg(state, 0x8211, 0xf6); + au8522_writereg(state, 0x8212, 0x84); + au8522_writereg(state, 0x8213, 0x02); + au8522_writereg(state, 0x8502, 0x01); + au8522_writereg(state, 0x8121, 0x04); + au8522_writereg(state, 0x8122, 0x04); + au8522_writereg(state, 0x852e, 0x10); + au8522_writereg(state, 0x80a4, 0xca); + au8522_writereg(state, 0x80a7, 0x40); + au8522_writereg(state, 0x8526, 0x01); + break; + default: + dprintk("%s() Invalid modulation\n", __FUNCTION__); + return -EINVAL; + } + + state->current_modulation = m; + + return 0; +} + +/* Talk to the demod, set the FEC, GUARD, QAM settings etc */ +static int au8522_set_frontend (struct dvb_frontend* fe, + struct dvb_frontend_parameters *p) +{ + struct au8522_state* state = fe->demodulator_priv; + + dprintk("%s(frequency=%d)\n", __FUNCTION__, p->frequency); + + state->current_frequency = p->frequency; + + au8522_enable_modulation(fe, p->u.vsb.modulation); + + /* Allow the demod to settle */ + msleep(100); + + if (fe->ops.tuner_ops.set_params) { + if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); + fe->ops.tuner_ops.set_params(fe, p); + if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); + } + + return 0; +} + +/* Reset the demod hardware and reset all of the configuration registers + to a default state. */ +static int au8522_init(struct dvb_frontend* fe) +{ + struct au8522_state* state = fe->demodulator_priv; + dprintk("%s()\n", __FUNCTION__); + + au8522_writereg(state, 0xa4, 1 << 5); + + au8522_i2c_gate_ctrl(fe, 1); + + return 0; +} + +static int au8522_read_status(struct dvb_frontend* fe, fe_status_t* status) +{ + struct au8522_state* state = fe->demodulator_priv; + u8 reg; + u32 tuner_status = 0; + + *status = 0; + + if (state->current_modulation == VSB_8) { + dprintk("%s() Checking VSB_8\n", __FUNCTION__); + //au8522_writereg(state, 0x80a4, 0x20); + reg = au8522_readreg(state, 0x4088); + if(reg & 0x01) + *status |= FE_HAS_VITERBI; + if(reg & 0x02) + *status |= FE_HAS_LOCK | FE_HAS_SYNC; + } else { + dprintk("%s() Checking QAM\n", __FUNCTION__); + reg = au8522_readreg(state, 0x4541); + if(reg & 0x80) + *status |= FE_HAS_VITERBI; + if(reg & 0x20) + *status |= FE_HAS_LOCK | FE_HAS_SYNC; + } + + switch(state->config->status_mode) { + case AU8522_DEMODLOCKING: + dprintk("%s() DEMODLOCKING\n", __FUNCTION__); + if (*status & FE_HAS_VITERBI) + *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL; + break; + case AU8522_TUNERLOCKING: + /* Get the tuner status */ + dprintk("%s() TUNERLOCKING\n", __FUNCTION__); + if (fe->ops.tuner_ops.get_status) { + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + fe->ops.tuner_ops.get_status(fe, &tuner_status); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + } + if (tuner_status) + *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL; + break; + } + + dprintk("%s() status 0x%08x\n", __FUNCTION__, *status); + + return 0; +} + +static int au8522_read_snr(struct dvb_frontend* fe, u16* snr) +{ + dprintk("%s()\n", __FUNCTION__); + + *snr = 0; + + return 0; +} + +static int au8522_read_signal_strength(struct dvb_frontend* fe, + u16* signal_strength) +{ + return au8522_read_snr(fe, signal_strength); +} + +static int au8522_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) +{ + struct au8522_state* state = fe->demodulator_priv; + + *ucblocks = au8522_readreg(state, 0x4087); + + return 0; +} + +static int au8522_read_ber(struct dvb_frontend* fe, u32* ber) +{ + return au8522_read_ucblocks(fe, ber); +} + +static int au8522_get_frontend(struct dvb_frontend* fe, + struct dvb_frontend_parameters *p) +{ + struct au8522_state* state = fe->demodulator_priv; + + p->frequency = state->current_frequency; + p->u.vsb.modulation = state->current_modulation; + + return 0; +} + +static int au8522_get_tune_settings(struct dvb_frontend* fe, + struct dvb_frontend_tune_settings *tune) +{ + tune->min_delay_ms = 1000; + return 0; +} + +static void au8522_release(struct dvb_frontend* fe) +{ + struct au8522_state* state = fe->demodulator_priv; + kfree(state); +} + +static struct dvb_frontend_ops au8522_ops; + +struct dvb_frontend* au8522_attach(const struct au8522_config* config, + struct i2c_adapter* i2c) +{ + struct au8522_state* state = NULL; + + /* allocate memory for the internal state */ + state = kmalloc(sizeof(struct au8522_state), GFP_KERNEL); + if (state == NULL) + goto error; + + /* setup the state */ + state->config = config; + state->i2c = i2c; + /* create dvb_frontend */ + memcpy(&state->frontend.ops, &au8522_ops, + sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + + if (au8522_init(&state->frontend) != 0) { + printk(KERN_ERR "%s: Failed to initialize correctly\n", + __FUNCTION__); + goto error; + } + + /* Note: Leaving the I2C gate open here. */ + au8522_i2c_gate_ctrl(&state->frontend, 1); + + return &state->frontend; + +error: + kfree(state); + return NULL; +} + +static struct dvb_frontend_ops au8522_ops = { + + .info = { + .name = "Auvitek AU8522 QAM/8VSB Frontend", + .type = FE_ATSC, + .frequency_min = 54000000, + .frequency_max = 858000000, + .frequency_stepsize = 62500, + .caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB + }, + + .init = au8522_init, + .i2c_gate_ctrl = au8522_i2c_gate_ctrl, + .set_frontend = au8522_set_frontend, + .get_frontend = au8522_get_frontend, + .get_tune_settings = au8522_get_tune_settings, + .read_status = au8522_read_status, + .read_ber = au8522_read_ber, + .read_signal_strength = au8522_read_signal_strength, + .read_snr = au8522_read_snr, + .read_ucblocks = au8522_read_ucblocks, + .release = au8522_release, +}; + +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Enable verbose debug messages"); + +MODULE_DESCRIPTION("Auvitek AU8522 QAM-B/ATSC Demodulator driver"); +MODULE_AUTHOR("Steven Toth"); +MODULE_LICENSE("GPL"); + +EXPORT_SYMBOL(au8522_attach); + +/* + * Local variables: + * c-basic-offset: 8 + */ diff --git a/drivers/media/dvb/frontends/au8522.h b/drivers/media/dvb/frontends/au8522.h new file mode 100644 index 000000000000..a75627155fed --- /dev/null +++ b/drivers/media/dvb/frontends/au8522.h @@ -0,0 +1,55 @@ +/* + Auvitek AU8522 QAM/8VSB demodulator driver + + Copyright (C) 2008 Steven Toth + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef __AU8522_H__ +#define __AU8522_H__ + +#include + +struct au8522_config +{ + /* the demodulator's i2c address */ + u8 demod_address; + + /* Return lock status based on tuner lock, or demod lock */ +#define AU8522_TUNERLOCKING 0 +#define AU8522_DEMODLOCKING 1 + u8 status_mode; +}; + +#if defined(CONFIG_DVB_AU8522) || (defined(CONFIG_DVB_AU8522_MODULE) && defined(MODULE)) +extern struct dvb_frontend* au8522_attach(const struct au8522_config* config, + struct i2c_adapter* i2c); +#else +static inline struct dvb_frontend* au8522_attach(const struct au8522_config* config, + struct i2c_adapter* i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); + return NULL; +} +#endif /* CONFIG_DVB_AU8522 */ + +#endif /* __AU8522_H__ */ + +/* + * Local variables: + * c-basic-offset: 8 + */ diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 54b9f84e9a3e..fe9a4cc14141 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -698,6 +698,8 @@ source "drivers/media/video/cx88/Kconfig" source "drivers/media/video/cx23885/Kconfig" +source "drivers/media/video/au0828/Kconfig" + source "drivers/media/video/ivtv/Kconfig" config VIDEO_M32R_AR diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index fe3be94afd10..be14227f3726 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -143,5 +143,7 @@ obj-$(CONFIG_SOC_CAMERA) += soc_camera.o obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o obj-$(CONFIG_SOC_CAMERA_MT9V022) += mt9v022.o +obj-$(CONFIG_VIDEO_AU0828) += au0828/ + EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core EXTRA_CFLAGS += -Idrivers/media/dvb/frontends diff --git a/drivers/media/video/au0828/Kconfig b/drivers/media/video/au0828/Kconfig new file mode 100644 index 000000000000..38d68ee8026a --- /dev/null +++ b/drivers/media/video/au0828/Kconfig @@ -0,0 +1,10 @@ + +config VIDEO_AU0828 + tristate "Auvitek AU0828 support" + depends on VIDEO_DEV && I2C && INPUT + select I2C_ALGOBIT + ---help--- + This is a video4linux driver for Auvitek's USB device. + + To compile this driver as a module, choose M here: the + module will be called ambarella diff --git a/drivers/media/video/au0828/Makefile b/drivers/media/video/au0828/Makefile new file mode 100644 index 000000000000..9f4f572c89c5 --- /dev/null +++ b/drivers/media/video/au0828/Makefile @@ -0,0 +1,9 @@ +au0828-objs := au0828-core.o au0828-i2c.o au0828-cards.o au0828-dvb.o + +obj-$(CONFIG_VIDEO_AU0828) += au0828.o + +EXTRA_CFLAGS += -Idrivers/media/video +EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core +EXTRA_CFLAGS += -Idrivers/media/dvb/frontends + +EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m) diff --git a/drivers/media/video/au0828/au0828-cards.c b/drivers/media/video/au0828/au0828-cards.c new file mode 100644 index 000000000000..c4cb11e9d6fc --- /dev/null +++ b/drivers/media/video/au0828/au0828-cards.c @@ -0,0 +1,144 @@ +/* + * Driver for the Auvitek USB bridge + * + * Copyright (c) 2008 Steven Toth + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "au0828.h" +#include "au0828-cards.h" + +#define _dbg(level, fmt, arg...)\ + do {\ + if (debug >= level) \ + printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\ + } while (0) + +struct au0828_board au0828_boards[] = { + [AU0828_BOARD_UNKNOWN] = { + .name = "Unknown board", + }, + [AU0828_BOARD_HAUPPAUGE_HVR850] = { + .name = "Hauppauge HVR850", + }, + [AU0828_BOARD_HAUPPAUGE_HVR950Q] = { + .name = "Hauppauge HVR950Q", + }, + [AU0828_BOARD_DVICO_FUSIONHDTV7] = { + .name = "DViCO FusionHDTV USB", + }, +}; +const unsigned int au0828_bcount = ARRAY_SIZE(au0828_boards); + +/* Tuner callback function for au0828 boards. Currently only needed + * for HVR1500Q, which has an xc5000 tuner. + */ +int au0828_tuner_callback(void *priv, int command, int arg) +{ + struct au0828_dev *dev = priv; + + switch(dev->board) { + case AU0828_BOARD_HAUPPAUGE_HVR850: + case AU0828_BOARD_HAUPPAUGE_HVR950Q: + case AU0828_BOARD_DVICO_FUSIONHDTV7: + if(command == 0) { + /* Tuner Reset Command from xc5000 */ + /* Drive the tuner into reset and out */ + au0828_clear(dev, REG_001, 2); + mdelay(200); + au0828_set(dev, REG_001, 2); + mdelay(50); + return 0; + } + else { + printk(KERN_ERR + "%s(): Unknown command.\n", __FUNCTION__); + return -EINVAL; + } + break; + } + + return 0; /* Should never be here */ +} + +/* + * The bridge has between 8 and 12 gpios. + * Regs 1 and 0 deal with output enables. + * Regs 3 and 2 * deal with direction. + */ +void au0828_gpio_setup(struct au0828_dev *dev) +{ + switch(dev->board) { + case AU0828_BOARD_HAUPPAUGE_HVR850: + case AU0828_BOARD_HAUPPAUGE_HVR950Q: + /* GPIO's + * 4 - CS5340 + * 5 - AU8522 Demodulator + * 6 - eeprom W/P + * 9 - XC5000 Tuner + */ + + /* Into reset */ + au0828_write(dev, REG_003, 0x02); + au0828_write(dev, REG_002, 0x88 | 0x20); + au0828_write(dev, REG_001, 0x0); + au0828_write(dev, REG_000, 0x0); + msleep(100); + + /* Out of reset */ + au0828_write(dev, REG_003, 0x02); + au0828_write(dev, REG_001, 0x02); + au0828_write(dev, REG_002, 0x88 | 0x20); + au0828_write(dev, REG_000, 0x88 | 0x20 | 0x40); + msleep(250); + break; + case AU0828_BOARD_DVICO_FUSIONHDTV7: + /* GPIO's + * 6 - ? + * 8 - AU8522 Demodulator + * 9 - XC5000 Tuner + */ + + /* Into reset */ + au0828_write(dev, REG_003, 0x02); + au0828_write(dev, REG_002, 0xa0); + au0828_write(dev, REG_001, 0x0); + au0828_write(dev, REG_000, 0x0); + msleep(100); + + /* Out of reset */ + au0828_write(dev, REG_003, 0x02); + au0828_write(dev, REG_002, 0xa0); + au0828_write(dev, REG_001, 0x02); + au0828_write(dev, REG_000, 0xa0); + msleep(250); + break; + } +} + +/* table of devices that work with this driver */ +struct usb_device_id au0828_usb_id_table [] = { + { USB_DEVICE(0x2040, 0x7200), + .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, + { USB_DEVICE(0x2040, 0x7240), + .driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 }, + { USB_DEVICE(0x0fe9, 0xd620), + .driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 }, + { }, +}; + +MODULE_DEVICE_TABLE(usb, au0828_usb_id_table); diff --git a/drivers/media/video/au0828/au0828-cards.h b/drivers/media/video/au0828/au0828-cards.h new file mode 100644 index 000000000000..e26f54a961d0 --- /dev/null +++ b/drivers/media/video/au0828/au0828-cards.h @@ -0,0 +1,25 @@ +/* + * Driver for the Auvitek USB bridge + * + * Copyright (c) 2008 Steven Toth + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#define AU0828_BOARD_UNKNOWN 0 +#define AU0828_BOARD_HAUPPAUGE_HVR950Q 1 +#define AU0828_BOARD_HAUPPAUGE_HVR850 2 +#define AU0828_BOARD_DVICO_FUSIONHDTV7 3 diff --git a/drivers/media/video/au0828/au0828-core.c b/drivers/media/video/au0828/au0828-core.c new file mode 100644 index 000000000000..8d0b8a8b06bd --- /dev/null +++ b/drivers/media/video/au0828/au0828-core.c @@ -0,0 +1,252 @@ +/* + * Driver for the Auvitek USB bridge + * + * Copyright (c) 2008 Steven Toth + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include + +#include "au0828.h" + +static unsigned int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable debug messages"); + +#define _err(fmt, arg...)\ + do {\ + printk(KERN_ERR DRIVER_NAME "/0: " fmt, ## arg);\ + } while (0) + +#define _info(fmt, arg...)\ + do {\ + printk(KERN_INFO DRIVER_NAME "/0: " fmt, ## arg);\ + } while (0) + +#define _dbg(level, fmt, arg...)\ + do {\ + if (debug >= level) \ + printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\ + } while (0) + +#define _AU0828_BULKPIPE 0x03 +#define _BULKPIPESIZE 0xffff + +static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value, + u16 index, unsigned char *cp, u16 size); +static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value, + u16 index, unsigned char *cp, u16 size); + +/* USB Direction */ +#define CMD_REQUEST_IN 0x00 +#define CMD_REQUEST_OUT 0x01 + +u32 au0828_readreg(struct au0828_dev *dev, u16 reg) +{ + recv_control_msg(dev, CMD_REQUEST_IN, 0, reg, dev->ctrlmsg, 1); + _dbg(3,"%s(0x%x) = 0x%x\n", __FUNCTION__, reg, dev->ctrlmsg[0]); + return dev->ctrlmsg[0]; +} + +u32 au0828_writereg(struct au0828_dev *dev, u16 reg, u32 val) +{ + _dbg(3,"%s(0x%x, 0x%x)\n", __FUNCTION__, reg, val); + return send_control_msg(dev, CMD_REQUEST_OUT, val, reg, dev->ctrlmsg, 0); +} + +static void cmd_msg_dump(struct au0828_dev *dev) +{ + int i; + + for (i = 0;i < sizeof(dev->ctrlmsg); i+=16) + _dbg(1,"%s() %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x " + "%02x %02x %02x %02x %02x %02x\n", + __FUNCTION__, + dev->ctrlmsg[i+0], dev->ctrlmsg[i+1], + dev->ctrlmsg[i+2], dev->ctrlmsg[i+3], + dev->ctrlmsg[i+4], dev->ctrlmsg[i+5], + dev->ctrlmsg[i+6], dev->ctrlmsg[i+7], + dev->ctrlmsg[i+8], dev->ctrlmsg[i+9], + dev->ctrlmsg[i+10], dev->ctrlmsg[i+11], + dev->ctrlmsg[i+12], dev->ctrlmsg[i+13], + dev->ctrlmsg[i+14], dev->ctrlmsg[i+15]); +} + +static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value, + u16 index, unsigned char *cp, u16 size) +{ + int status = -ENODEV; + mutex_lock(&dev->mutex); + if (dev->usbdev) { + + /* cp must be memory that has been allocated by kmalloc */ + status = usb_control_msg(dev->usbdev, + usb_sndctrlpipe(dev->usbdev, 0), + request, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, index, + cp, size, 1000); + + status = min(status, 0); + + if (status < 0) { + _err("%s() Failed sending control message, error %d.\n", + __FUNCTION__, + status); + } + + } + mutex_unlock(&dev->mutex); + return status; +} + +static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value, + u16 index, unsigned char *cp, u16 size) +{ + int status = -ENODEV; + mutex_lock(&dev->mutex); + if (dev->usbdev) { + + memset(dev->ctrlmsg, 0, sizeof(dev->ctrlmsg)); + + /* cp must be memory that has been allocated by kmalloc */ + status = usb_control_msg(dev->usbdev, + usb_rcvctrlpipe(dev->usbdev, 0), + request, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, index, + cp, size, 1000); + + status = min(status, 0); + + if (status < 0) { + _err("%s() Failed receiving ctrl msg, error %d.\n", + __FUNCTION__, + status); + } + else + if (debug > 4) + cmd_msg_dump(dev); + } + mutex_unlock(&dev->mutex); + return status; +} +static void au0828_usb_disconnect(struct usb_interface *interface) +{ + struct au0828_dev *dev = usb_get_intfdata(interface); + + _dbg(1,"%s()\n", __FUNCTION__); + + /* Digital TV */ + au0828_dvb_unregister(dev); + + /* I2C */ + au0828_i2c_unregister(dev); + + usb_set_intfdata(interface, NULL); + + mutex_lock(&dev->mutex); + dev->usbdev = NULL; + mutex_unlock(&dev->mutex); + + kfree(dev); + +} + +static int au0828_usb_probe (struct usb_interface *interface, + const struct usb_device_id *id) +{ + int ifnum; + struct au0828_dev *dev; + struct usb_device *usbdev = interface_to_usbdev(interface); + + ifnum = interface->altsetting->desc.bInterfaceNumber; + + if (ifnum != 0) + return -ENODEV; + + _dbg(1,"%s() vendor id 0x%x device id 0x%x ifnum:%d\n", + __FUNCTION__, + le16_to_cpu(usbdev->descriptor.idVendor), + le16_to_cpu(usbdev->descriptor.idProduct), + ifnum); + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (dev == NULL) { + _err("Unable to allocate memory\n"); + return -ENOMEM; + } + + mutex_init(&dev->mutex); + mutex_init(&dev->dvb.lock); + dev->usbdev = usbdev; + dev->board = id->driver_info; + + usb_set_intfdata(interface, dev); + + /* Power Up the bridge */ + au0828_write(dev, REG_600, 1 << 4); + + /* Bring up the GPIO's and supporting devices */ + au0828_gpio_setup(dev); + + /* I2C */ + au0828_i2c_register(dev); + + /* Digital TV */ + au0828_dvb_register(dev); + + _info("Registered device AU0828 [%s]\n", + au0828_boards[dev->board].name); + + return 0; +} + +static struct usb_driver au0828_usb_driver = { + .name = DRIVER_NAME, + .probe = au0828_usb_probe, + .disconnect = au0828_usb_disconnect, + .id_table = au0828_usb_id_table, +}; + +static int __init au0828_init(void) +{ + int ret; + + _info("au0828 driver loaded\n"); + + ret = usb_register(&au0828_usb_driver); + if (ret) + _err("usb_register failed, error = %d\n", ret); + + return ret; +} + +static void __exit au0828_exit(void) +{ + usb_deregister(&au0828_usb_driver); +} + +module_init(au0828_init); +module_exit(au0828_exit); + +MODULE_DESCRIPTION("Driver for Auvitek AU0828 based products"); +MODULE_AUTHOR("Steven Toth "); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/video/au0828/au0828-dvb.c b/drivers/media/video/au0828/au0828-dvb.c new file mode 100644 index 000000000000..3c8a29eafc2d --- /dev/null +++ b/drivers/media/video/au0828/au0828-dvb.c @@ -0,0 +1,371 @@ +/* + * Driver for the Auvitek USB bridge + * + * Copyright (c) 2008 Steven Toth + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#include + +#include "au0828.h" + +#include "au8522.h" +#include "xc5000.h" + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +unsigned int dvb_debug = 1; + +#define _dbg(level, fmt, arg...)\ + do { if (dvb_debug >= level)\ + printk(KERN_DEBUG "%s/0: " fmt, DRIVER_NAME, ## arg);\ + } while (0) + +static struct au8522_config hauppauge_hvr950q_config = { + .demod_address = 0x8e >> 1, + .status_mode = AU8522_DEMODLOCKING, +}; + +static struct xc5000_config hauppauge_hvr950q_tunerconfig = { + .i2c_address = 0x61, + .if_khz = 6000, + .tuner_callback = au0828_tuner_callback +}; + +/*-------------------------------------------------------------------*/ +static void urb_completion(struct urb *purb) +{ + u8 *ptr; + struct au0828_dev *dev = purb->context; + int ptype = usb_pipetype(purb->pipe); + + if (dev->urb_streaming == 0) + return; + + if (ptype != PIPE_BULK) { + printk(KERN_ERR "%s() Unsupported URB type %d\n", __FUNCTION__, ptype); + return; + } + + ptr = (u8 *)purb->transfer_buffer; + + /* Feed the transport payload into the kernel demux */ + dvb_dmx_swfilter_packets(&dev->dvb.demux, purb->transfer_buffer, purb->actual_length / 188); + + /* Clean the buffer before we requeue */ + memset(purb->transfer_buffer, 0, URB_BUFSIZE); + + /* Requeue URB */ + usb_submit_urb(purb, GFP_ATOMIC); +} + +static int stop_urb_transfer(struct au0828_dev *dev) +{ + int i; + + printk(KERN_INFO "%s()\n", __FUNCTION__); + + /* FIXME: Do we need to free the transfer_buffers? */ + for (i = 0; i < URB_COUNT; i++) { + usb_kill_urb(dev->urbs[i]); + kfree(dev->urbs[i]->transfer_buffer); + usb_free_urb(dev->urbs[i]); + } + + dev->urb_streaming = 0; + + return 0; +} + +#define _AU0828_BULKPIPE 0x83 +#define _BULKPIPESIZE 0xe522 + +static int start_urb_transfer(struct au0828_dev *dev) +{ + struct urb *purb; + int i, ret = -ENOMEM; + unsigned int pipe = usb_rcvbulkpipe(dev->usbdev, _AU0828_BULKPIPE); + int pipesize = usb_maxpacket(dev->usbdev, pipe, usb_pipeout(pipe)); + int packets = _BULKPIPESIZE / pipesize; + int transfer_buflen = packets * pipesize; + + printk(KERN_INFO "%s() transfer_buflen = %d\n", __FUNCTION__, transfer_buflen); + + if (dev->urb_streaming) { + printk("%s: iso xfer already running!\n", __FUNCTION__); + return 0; + } + + for (i = 0; i < URB_COUNT; i++) { + + dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL); + if (!dev->urbs[i]) { + goto err; + } + + purb = dev->urbs[i]; + + purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL); + if (!purb->transfer_buffer) { + usb_free_urb(purb); + dev->urbs[i] = 0; + goto err; + } + + purb->status = -EINPROGRESS; + usb_fill_bulk_urb(purb, + dev->usbdev, + usb_rcvbulkpipe(dev->usbdev, _AU0828_BULKPIPE), + purb->transfer_buffer, + URB_BUFSIZE, + urb_completion, + dev); + + } + + for (i = 0; i < URB_COUNT; i++) { + ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC); + if (ret != 0) { + stop_urb_transfer(dev); + printk("%s: failed urb submission, err = %d\n", __FUNCTION__, ret); + return ret; + } + } + + dev->urb_streaming = 1; + ret = 0; + +err: + return ret; +} + +static int au0828_dvb_start_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct au0828_dev *dev = (struct au0828_dev *) demux->priv; + struct au0828_dvb *dvb = &dev->dvb; + int ret = 0; + + printk(KERN_INFO "%s() pid = 0x%x index = %d\n", __FUNCTION__, feed->pid, feed->index); + + if (!demux->dmx.frontend) + return -EINVAL; + + printk(KERN_INFO "%s() Preparing, feeding = %d\n", __FUNCTION__, dvb->feeding); + if (dvb) { + mutex_lock(&dvb->lock); + if (dvb->feeding++ == 0) { + printk(KERN_INFO "%s() Starting Transport DMA\n", + __FUNCTION__); + au0828_write(dev, 0x608, 0x90); + au0828_write(dev, 0x609, 0x72); + au0828_write(dev, 0x60a, 0x71); + au0828_write(dev, 0x60b, 0x01); + ret = start_urb_transfer(dev); + } + mutex_unlock(&dvb->lock); + } + + return ret; +} + +static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct au0828_dev *dev = (struct au0828_dev *) demux->priv; + struct au0828_dvb *dvb = &dev->dvb; + int ret = 0; + + printk(KERN_INFO "%s() pid = 0x%x index = %d\n", __FUNCTION__, feed->pid, feed->index); + + if (dvb) { + mutex_lock(&dvb->lock); + if (--dvb->feeding == 0) { + printk(KERN_INFO "%s() Stopping Transport DMA\n", + __FUNCTION__); + au0828_write(dev, 0x608, 0x00); + au0828_write(dev, 0x609, 0x00); + au0828_write(dev, 0x60a, 0x00); + au0828_write(dev, 0x60b, 0x00); + ret = stop_urb_transfer(dev); + } + mutex_unlock(&dvb->lock); + } + + return ret; +} + +int dvb_register(struct au0828_dev *dev) +{ + struct au0828_dvb *dvb = &dev->dvb; + int result; + + /* register adapter */ + result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE, + &dev->usbdev->dev, adapter_nr); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_adapter; + } + dvb->adapter.priv = dev; + + /* register frontend */ + result = dvb_register_frontend(&dvb->adapter, dvb->frontend); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_frontend; + } + + /* register demux stuff */ + dvb->demux.dmx.capabilities = + DMX_TS_FILTERING | DMX_SECTION_FILTERING | + DMX_MEMORY_BASED_FILTERING; + dvb->demux.priv = dev; + dvb->demux.filternum = 256; + dvb->demux.feednum = 256; + dvb->demux.start_feed = au0828_dvb_start_feed; + dvb->demux.stop_feed = au0828_dvb_stop_feed; + result = dvb_dmx_init(&dvb->demux); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_dmx; + } + + dvb->dmxdev.filternum = 256; + dvb->dmxdev.demux = &dvb->demux.dmx; + dvb->dmxdev.capabilities = 0; + result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_dmxdev; + } + + dvb->fe_hw.source = DMX_FRONTEND_0; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", + DRIVER_NAME, result); + goto fail_fe_hw; + } + + dvb->fe_mem.source = DMX_MEMORY_FE; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); + if (result < 0) { + printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", + DRIVER_NAME, result); + goto fail_fe_mem; + } + + result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_fe_conn; + } + + /* register network adapter */ + dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); + return 0; + +fail_fe_conn: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); +fail_fe_mem: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); +fail_fe_hw: + dvb_dmxdev_release(&dvb->dmxdev); +fail_dmxdev: + dvb_dmx_release(&dvb->demux); +fail_dmx: + dvb_unregister_frontend(dvb->frontend); +fail_frontend: + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); +fail_adapter: + return result; +} + +void au0828_dvb_unregister(struct au0828_dev *dev) +{ + struct au0828_dvb *dvb = &dev->dvb; + + dvb_net_release(&dvb->net); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); + dvb_dmxdev_release(&dvb->dmxdev); + dvb_dmx_release(&dvb->demux); + dvb_unregister_frontend(dvb->frontend); + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); +} + +/* All the DVB attach calls go here, this function get's modified + * for each new card. No other function in this file needs + * to change. + */ +int au0828_dvb_register(struct au0828_dev *dev) +{ + struct au0828_dvb *dvb = &dev->dvb; + int ret; + + /* init frontend */ + switch (dev->board) { + case AU0828_BOARD_HAUPPAUGE_HVR850: + case AU0828_BOARD_HAUPPAUGE_HVR950Q: + case AU0828_BOARD_DVICO_FUSIONHDTV7: + dvb->frontend = dvb_attach(au8522_attach, + &hauppauge_hvr950q_config, + &dev->i2c_adap); + if (dvb->frontend != NULL) { + hauppauge_hvr950q_tunerconfig.priv = dev; + dvb_attach(xc5000_attach, dvb->frontend, + &dev->i2c_adap, + &hauppauge_hvr950q_tunerconfig); + } + break; + default: + printk("The frontend of your DVB/ATSC card isn't supported yet\n"); + break; + } + if (NULL == dvb->frontend) { + printk("Frontend initialization failed\n"); + return -1; + } + + /* Put the analog decoder in standby to keep it quiet */ + au0828_call_i2c_clients(dev, TUNER_SET_STANDBY, NULL); + + if (dvb->frontend->ops.analog_ops.standby) + dvb->frontend->ops.analog_ops.standby(dvb->frontend); + + /* register everything */ + ret = dvb_register(dev); + if (ret < 0) { + if (dvb->frontend->ops.release) + dvb->frontend->ops.release(dvb->frontend); + return ret; + } + + return 0; +} diff --git a/drivers/media/video/au0828/au0828-i2c.c b/drivers/media/video/au0828/au0828-i2c.c new file mode 100644 index 000000000000..3e7482481152 --- /dev/null +++ b/drivers/media/video/au0828/au0828-i2c.c @@ -0,0 +1,402 @@ +/* + * Driver for the Auvitek AU0828 USB bridge + * + * Copyright (c) 2008 Steven Toth + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#include + +#include "au0828.h" + +#include + +static unsigned int i2c_debug; +module_param(i2c_debug, int, 0644); +MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]"); + +static unsigned int i2c_scan = 0; +module_param(i2c_scan, int, 0444); +MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time"); + +#define dprintk(level, fmt, arg...)\ + do { if (i2c_debug >= level)\ + printk(KERN_DEBUG "%s/0: " fmt, DRIVER_NAME, ## arg);\ + } while (0) + +#define I2C_WAIT_DELAY 512 +#define I2C_WAIT_RETRY 64 + +static inline int i2c_slave_did_write_ack(struct i2c_adapter *i2c_adap) +{ + struct au0828_dev *dev = i2c_adap->algo_data; + return au0828_read(dev, REG_201) & 0x08 ? 0 : 1; +} + +static inline int i2c_slave_did_read_ack(struct i2c_adapter *i2c_adap) +{ + struct au0828_dev *dev = i2c_adap->algo_data; + return au0828_read(dev, REG_201) & 0x02 ? 0 : 1; +} + +static int i2c_wait_read_ack(struct i2c_adapter *i2c_adap) +{ + int count; + + for (count = 0; count < I2C_WAIT_RETRY; count++) { + if (!i2c_slave_did_read_ack(i2c_adap)) + break; + udelay(I2C_WAIT_DELAY); + } + + if (I2C_WAIT_RETRY == count) + return 0; + + return 1; +} + +static inline int i2c_is_read_busy(struct i2c_adapter *i2c_adap) +{ + struct au0828_dev *dev = i2c_adap->algo_data; + return au0828_read(dev, REG_201) & 0x01 ? 0 : 1; +} + +static int i2c_wait_read_done(struct i2c_adapter *i2c_adap) +{ + int count; + + for (count = 0; count < I2C_WAIT_RETRY; count++) { + if (!i2c_is_read_busy(i2c_adap)) + break; + udelay(I2C_WAIT_DELAY); + } + + if (I2C_WAIT_RETRY == count) + return 0; + + return 1; +} + +static inline int i2c_is_write_done(struct i2c_adapter *i2c_adap) +{ + struct au0828_dev *dev = i2c_adap->algo_data; + return au0828_read(dev, REG_201) & 0x04 ? 1 : 0; +} + +static int i2c_wait_write_done(struct i2c_adapter *i2c_adap) +{ + int count; + + for (count = 0; count < I2C_WAIT_RETRY; count++) { + if (i2c_is_write_done(i2c_adap)) + break; + udelay(I2C_WAIT_DELAY); + } + + if (I2C_WAIT_RETRY == count) + return 0; + + return 1; +} + +static inline int i2c_is_busy(struct i2c_adapter *i2c_adap) +{ + struct au0828_dev *dev = i2c_adap->algo_data; + return au0828_read(dev, REG_201) & 0x10 ? 1 : 0; +} + +static int i2c_wait_done(struct i2c_adapter *i2c_adap) +{ + int count; + + for (count = 0; count < I2C_WAIT_RETRY; count++) { + if (!i2c_is_busy(i2c_adap)) + break; + udelay(I2C_WAIT_DELAY); + } + + if (I2C_WAIT_RETRY == count) + return 0; + + return 1; +} + +/* FIXME: Implement join handling correctly */ +static int i2c_sendbytes(struct i2c_adapter *i2c_adap, + const struct i2c_msg *msg, int joined_rlen) +{ + int i, strobe = 0; + struct au0828_dev *dev = i2c_adap->algo_data; + + dprintk(1, "%s()\n", __FUNCTION__); + + au0828_write(dev, REG_2FF, 0x01); + au0828_write(dev, REG_202, 0x07); + + /* Hardware needs 8 bit addresses */ + au0828_write(dev, REG_203, msg->addr << 1); + + if (i2c_debug) + dprintk(1, "SEND: %02x\n", msg->addr); + + for (i=0; i < msg->len;) { + + if (i2c_debug) + dprintk(1, " %02x\n", msg->buf[i]); + + au0828_write(dev, REG_205, msg->buf[i]); + + strobe++; + i++; + + if ((strobe >= 4) || (i >= msg->len)) { + + /* Strobe the byte into the bus */ + if (i < msg->len) + au0828_write(dev, REG_200, 0x41); + else + au0828_write(dev, REG_200, 0x01); + + /* Reset strobe trigger */ + strobe = 0; + + if (!i2c_wait_write_done(i2c_adap)) + return -EIO; + + } + + } + if (!i2c_wait_done(i2c_adap)) + return -EIO; + + if (i2c_debug) + dprintk(1, "\n"); + + return msg->len; +} + +/* FIXME: Implement join handling correctly */ +static int i2c_readbytes(struct i2c_adapter *i2c_adap, + const struct i2c_msg *msg, int joined) +{ + struct au0828_dev *dev = i2c_adap->algo_data; + int i; + + dprintk(1, "%s()\n", __FUNCTION__); + + au0828_write(dev, REG_2FF, 0x01); + au0828_write(dev, REG_202, 0x07); + + /* Hardware needs 8 bit addresses */ + au0828_write(dev, REG_203, msg->addr << 1); + + if (i2c_debug) + dprintk(1, " RECV:\n"); + + /* Deal with i2c_scan */ + if (msg->len == 0) { + au0828_write(dev, REG_200, 0x20); + if (i2c_wait_read_ack(i2c_adap)) + return -EIO; + return 0; + } + + for (i=0; i < msg->len;) { + + i++; + + if (i < msg->len) + au0828_write(dev, REG_200, 0x60); + else + au0828_write(dev, REG_200, 0x20); + + if (!i2c_wait_read_done(i2c_adap)) + return -EIO; + + msg->buf[i-1] = au0828_read(dev, REG_209) & 0xff; + + if (i2c_debug) + dprintk(1, " %02x\n", msg->buf[i-1]); + } + if (!i2c_wait_done(i2c_adap)) + return -EIO; + + if (i2c_debug) + dprintk(1, "\n"); + + return msg->len; +} + +static int i2c_xfer(struct i2c_adapter *i2c_adap, + struct i2c_msg *msgs, int num) +{ + int i, retval = 0; + + dprintk(1, "%s(num = %d)\n", __FUNCTION__, num); + + for (i = 0 ; i < num; i++) { + dprintk(1, "%s(num = %d) addr = 0x%02x len = 0x%x\n", + __FUNCTION__, num, msgs[i].addr, msgs[i].len); + if (msgs[i].flags & I2C_M_RD) { + /* read */ + retval = i2c_readbytes(i2c_adap, &msgs[i], 0); + } else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) && + msgs[i].addr == msgs[i + 1].addr) { + /* write then read from same address */ + retval = i2c_sendbytes(i2c_adap, &msgs[i], + msgs[i + 1].len); + if (retval < 0) + goto err; + i++; + retval = i2c_readbytes(i2c_adap, &msgs[i], 1); + } else { + /* write */ + retval = i2c_sendbytes(i2c_adap, &msgs[i], 0); + } + if (retval < 0) + goto err; + } + return num; + +err: + return retval; +} + +static int attach_inform(struct i2c_client *client) +{ + dprintk(1, "%s i2c attach [addr=0x%x,client=%s]\n", + client->driver->driver.name, client->addr, client->name); + + if (!client->driver->command) + return 0; + + return 0; +} + +static int detach_inform(struct i2c_client *client) +{ + dprintk(1, "i2c detach [client=%s]\n", client->name); + + return 0; +} + +void au0828_call_i2c_clients(struct au0828_dev *dev, + unsigned int cmd, void *arg) +{ + if (dev->i2c_rc != 0) + return; + + i2c_clients_command(&dev->i2c_adap, cmd, arg); +} + +static u32 au0828_functionality(struct i2c_adapter *adap) +{ + return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C; +} + +static struct i2c_algorithm au0828_i2c_algo_template = { + .master_xfer = i2c_xfer, + .functionality = au0828_functionality, +}; + +/* ----------------------------------------------------------------------- */ + +static struct i2c_adapter au0828_i2c_adap_template = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .id = I2C_HW_B_AU0828, + .algo = &au0828_i2c_algo_template, + .class = I2C_CLASS_TV_ANALOG, + .client_register = attach_inform, + .client_unregister = detach_inform, +}; + +static struct i2c_client au0828_i2c_client_template = { + .name = "au0828 internal", +}; + +static char *i2c_devs[128] = { + [ 0x8e >> 1 ] = "au8522", + [ 0xa0 >> 1 ] = "eeprom", + [ 0xc2 >> 1 ] = "tuner/xc5000", +}; + +static void do_i2c_scan(char *name, struct i2c_client *c) +{ + unsigned char buf; + int i, rc; + + for (i = 0; i < 128; i++) { + c->addr = i; + rc = i2c_master_recv(c, &buf, 0); + if (rc < 0) + continue; + printk("%s: i2c scan: found device @ 0x%x [%s]\n", + name, i << 1, i2c_devs[i] ? i2c_devs[i] : "???"); + } +} + +/* init + register i2c algo-bit adapter */ +int au0828_i2c_register(struct au0828_dev *dev) +{ + dprintk(1, "%s()\n", __FUNCTION__); + + memcpy(&dev->i2c_adap, &au0828_i2c_adap_template, + sizeof(dev->i2c_adap)); + memcpy(&dev->i2c_algo, &au0828_i2c_algo_template, + sizeof(dev->i2c_algo)); + memcpy(&dev->i2c_client, &au0828_i2c_client_template, + sizeof(dev->i2c_client)); + + dev->i2c_adap.dev.parent = &dev->usbdev->dev; + + strlcpy(dev->i2c_adap.name, DRIVER_NAME, + sizeof(dev->i2c_adap.name)); + + dev->i2c_algo.data = dev; + dev->i2c_adap.algo_data = dev; + i2c_set_adapdata(&dev->i2c_adap, dev); + i2c_add_adapter(&dev->i2c_adap); + + dev->i2c_client.adapter = &dev->i2c_adap; + + if (0 == dev->i2c_rc) { + printk("%s: i2c bus registered\n", DRIVER_NAME); + if (i2c_scan) + do_i2c_scan(DRIVER_NAME, &dev->i2c_client); + } else + printk("%s: i2c bus register FAILED\n", DRIVER_NAME); + return dev->i2c_rc; +} + +int au0828_i2c_unregister(struct au0828_dev *dev) +{ + i2c_del_adapter(&dev->i2c_adap); + return 0; +} + +/* ----------------------------------------------------------------------- */ + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ diff --git a/drivers/media/video/au0828/au0828-reg.h b/drivers/media/video/au0828/au0828-reg.h new file mode 100644 index 000000000000..c501f6a52af3 --- /dev/null +++ b/drivers/media/video/au0828/au0828-reg.h @@ -0,0 +1,35 @@ +/* + * Driver for the Auvitek USB bridge + * + * Copyright (c) 2008 Steven Toth + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#define REG_000 0x000 +#define REG_001 0x001 +#define REG_002 0x002 +#define REG_003 0x003 + +#define REG_200 0x200 +#define REG_201 0x201 +#define REG_202 0x202 +#define REG_203 0x203 +#define REG_205 0x205 +#define REG_209 0x209 +#define REG_2FF 0x2ff + +#define REG_600 0x600 diff --git a/drivers/media/video/au0828/au0828.h b/drivers/media/video/au0828/au0828.h new file mode 100644 index 000000000000..517227667040 --- /dev/null +++ b/drivers/media/video/au0828/au0828.h @@ -0,0 +1,117 @@ +/* + * Driver for the Auvitek AU0828 USB bridge + * + * Copyright (c) 2008 Steven Toth + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include + +/* DVB */ +#include "demux.h" +#include "dmxdev.h" +#include "dvb_demux.h" +#include "dvb_frontend.h" +#include "dvb_net.h" +#include "dvbdev.h" + +#include "au0828-reg.h" +#include "au0828-cards.h" + +#define DRIVER_NAME "au0828" +#define URB_COUNT 16 +//#define URB_BUFSIZE (312 * 188) +#define URB_BUFSIZE (0xe522) + +struct au0828_board { + char *name; +}; + +struct au0828_dvb { + struct mutex lock; + struct dvb_adapter adapter; + struct dvb_frontend *frontend; + struct dvb_demux demux; + struct dmxdev dmxdev; + struct dmx_frontend fe_hw; + struct dmx_frontend fe_mem; + struct dvb_net net; + int feeding; +}; + +struct au0828_dev { + struct mutex mutex; + struct usb_device *usbdev; + int board; + u8 ctrlmsg[64]; + + /* I2C */ + struct i2c_adapter i2c_adap; + struct i2c_algo_bit_data i2c_algo; + struct i2c_client i2c_client; + u32 i2c_rc; + + /* Digital */ + struct au0828_dvb dvb; + + /* USB / URB Related */ + int urb_streaming; + struct urb *urbs[URB_COUNT]; + +}; + +struct au0828_buff { + struct au0828_dev *dev; + struct urb *purb; + struct list_head buff_list; +}; + +/* ----------------------------------------------------------- */ +#define au0828_read(dev,reg) au0828_readreg(dev,reg) +#define au0828_write(dev,reg,value) au0828_writereg(dev,reg,value) +#define au0828_andor(dev,reg,mask,value) \ + au0828_writereg(dev,reg,(au0828_readreg(dev,reg)&~(mask))|((value)&(mask))) + +#define au0828_set(dev,reg,bit) au0828_andor(dev,(reg),(bit),(bit)) +#define au0828_clear(dev,reg,bit) au0828_andor(dev,(reg),(bit),0) + +/* ----------------------------------------------------------- */ +/* au0828-core.c */ +extern u32 au0828_read(struct au0828_dev *dev, u16 reg); +extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val); + +/* ----------------------------------------------------------- */ +/* au0828-cards.c */ +extern struct au0828_board au0828_boards[]; +extern struct usb_device_id au0828_usb_id_table[]; +extern const unsigned int au0828_bcount; +extern void au0828_gpio_setup(struct au0828_dev *dev); +extern int au0828_tuner_callback(void *priv, int command, int arg); + +/* ----------------------------------------------------------- */ +/* au0828-i2c.c */ +extern int au0828_i2c_register(struct au0828_dev *dev); +extern int au0828_i2c_unregister(struct au0828_dev *dev); +extern void au0828_call_i2c_clients(struct au0828_dev *dev, + unsigned int cmd, void *arg); + +/* ----------------------------------------------------------- */ +/* au0828-dvb.c */ +extern int au0828_dvb_register(struct au0828_dev *dev); +extern void au0828_dvb_unregister(struct au0828_dev *dev);