diff options
Diffstat (limited to 'drivers/media/dvb/frontends')
-rw-r--r-- | drivers/media/dvb/frontends/Kconfig | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/Makefile | 1 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/s921.c | 548 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/s921.h | 47 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/s921_core.c | 216 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/s921_core.h | 114 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/s921_module.c | 192 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/s921_module.h | 49 |
8 files changed, 596 insertions, 573 deletions
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index 96b27016670..00dbf1e488b 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -497,7 +497,7 @@ comment "ISDB-T (terrestrial) frontends" depends on DVB_CORE config DVB_S921 - tristate "Sharp S921 tuner" + tristate "Sharp S921 frontend" depends on DVB_CORE && I2C default m if DVB_FE_CUSTOMISE help diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 9a31985c0df..48b9fd35671 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -5,7 +5,6 @@ EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ EXTRA_CFLAGS += -Idrivers/media/common/tuners/ -s921-objs := s921_module.o s921_core.o stb0899-objs = stb0899_drv.o stb0899_algo.o stv0900-objs = stv0900_core.o stv0900_sw.o au8522-objs = au8522_dig.o au8522_decoder.o diff --git a/drivers/media/dvb/frontends/s921.c b/drivers/media/dvb/frontends/s921.c new file mode 100644 index 00000000000..ca0103d5f14 --- /dev/null +++ b/drivers/media/dvb/frontends/s921.c @@ -0,0 +1,548 @@ +/* + * Sharp VA3A5JZ921 One Seg Broadcast Module driver + * This device is labeled as just S. 921 at the top of the frontend can + * + * Copyright (C) 2009-2010 Mauro Carvalho Chehab <mchehab@redhat.com> + * Copyright (C) 2009-2010 Douglas Landgraf <dougsland@redhat.com> + * + * Developed for Leadership SBTVD 1seg device sold in Brazil + * + * Frontend module based on cx24123 driver, getting some info from + * the old s921 driver. + * + * FIXME: Need to port to DVB v5.2 API + * + * 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 version 2. + * + * 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. + */ + +#include <linux/kernel.h> +#include <asm/div64.h> + +#include "dvb_frontend.h" +#include "s921.h" + +static int debug = 1; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)"); + +#define rc(args...) do { \ + printk(KERN_ERR "s921: " args); \ +} while (0) + +#define dprintk(args...) \ + do { \ + if (debug) { \ + printk(KERN_DEBUG "s921: %s: ", __func__); \ + printk(args); \ + } \ + } while (0) + +struct s921_state { + struct i2c_adapter *i2c; + const struct s921_config *config; + + struct dvb_frontend frontend; + + /* The Demod can't easily provide these, we cache them */ + u32 currentfreq; +}; + +/* + * Various tuner defaults need to be established for a given frequency kHz. + * fixme: The bounds on the bands do not match the doc in real life. + * fixme: Some of them have been moved, other might need adjustment. + */ +static struct s921_bandselect_val { + u32 freq_low; + u8 band_reg; +} s921_bandselect[] = { + { 0, 0x7b }, + { 485140000, 0x5b }, + { 515140000, 0x3b }, + { 545140000, 0x1b }, + { 599140000, 0xfb }, + { 623140000, 0xdb }, + { 659140000, 0xbb }, + { 713140000, 0x9b }, +}; + +struct regdata { + u8 reg; + u8 data; +}; + +static struct regdata s921_init[] = { + { 0x01, 0x80 }, /* Probably, a reset sequence */ + { 0x01, 0x40 }, + { 0x01, 0x80 }, + { 0x01, 0x40 }, + + { 0x02, 0x00 }, + { 0x03, 0x40 }, + { 0x04, 0x01 }, + { 0x05, 0x00 }, + { 0x06, 0x00 }, + { 0x07, 0x00 }, + { 0x08, 0x00 }, + { 0x09, 0x00 }, + { 0x0a, 0x00 }, + { 0x0b, 0x5a }, + { 0x0c, 0x00 }, + { 0x0d, 0x00 }, + { 0x0f, 0x00 }, + { 0x13, 0x1b }, + { 0x14, 0x80 }, + { 0x15, 0x40 }, + { 0x17, 0x70 }, + { 0x18, 0x01 }, + { 0x19, 0x12 }, + { 0x1a, 0x01 }, + { 0x1b, 0x12 }, + { 0x1c, 0xa0 }, + { 0x1d, 0x00 }, + { 0x1e, 0x0a }, + { 0x1f, 0x08 }, + { 0x20, 0x40 }, + { 0x21, 0xff }, + { 0x22, 0x4c }, + { 0x23, 0x4e }, + { 0x24, 0x4c }, + { 0x25, 0x00 }, + { 0x26, 0x00 }, + { 0x27, 0xf4 }, + { 0x28, 0x60 }, + { 0x29, 0x88 }, + { 0x2a, 0x40 }, + { 0x2b, 0x40 }, + { 0x2c, 0xff }, + { 0x2d, 0x00 }, + { 0x2e, 0xff }, + { 0x2f, 0x00 }, + { 0x30, 0x20 }, + { 0x31, 0x06 }, + { 0x32, 0x0c }, + { 0x34, 0x0f }, + { 0x37, 0xfe }, + { 0x38, 0x00 }, + { 0x39, 0x63 }, + { 0x3a, 0x10 }, + { 0x3b, 0x10 }, + { 0x47, 0x00 }, + { 0x49, 0xe5 }, + { 0x4b, 0x00 }, + { 0x50, 0xc0 }, + { 0x52, 0x20 }, + { 0x54, 0x5a }, + { 0x55, 0x5b }, + { 0x56, 0x40 }, + { 0x57, 0x70 }, + { 0x5c, 0x50 }, + { 0x5d, 0x00 }, + { 0x62, 0x17 }, + { 0x63, 0x2f }, + { 0x64, 0x6f }, + { 0x68, 0x00 }, + { 0x69, 0x89 }, + { 0x6a, 0x00 }, + { 0x6b, 0x00 }, + { 0x6c, 0x00 }, + { 0x6d, 0x00 }, + { 0x6e, 0x00 }, + { 0x70, 0x10 }, + { 0x71, 0x00 }, + { 0x75, 0x00 }, + { 0x76, 0x30 }, + { 0x77, 0x01 }, + { 0xaf, 0x00 }, + { 0xb0, 0xa0 }, + { 0xb2, 0x3d }, + { 0xb3, 0x25 }, + { 0xb4, 0x8b }, + { 0xb5, 0x4b }, + { 0xb6, 0x3f }, + { 0xb7, 0xff }, + { 0xb8, 0xff }, + { 0xb9, 0xfc }, + { 0xba, 0x00 }, + { 0xbb, 0x00 }, + { 0xbc, 0x00 }, + { 0xd0, 0x30 }, + { 0xe4, 0x84 }, + { 0xf0, 0x48 }, + { 0xf1, 0x19 }, + { 0xf2, 0x5a }, + { 0xf3, 0x8e }, + { 0xf4, 0x2d }, + { 0xf5, 0x07 }, + { 0xf6, 0x5a }, + { 0xf7, 0xba }, + { 0xf8, 0xd7 }, +}; + +static struct regdata s921_prefreq[] = { + { 0x47, 0x60 }, + { 0x68, 0x00 }, + { 0x69, 0x89 }, + { 0xf0, 0x48 }, + { 0xf1, 0x19 }, +}; + +static struct regdata s921_postfreq[] = { + { 0xf5, 0xae }, + { 0xf6, 0xb7 }, + { 0xf7, 0xba }, + { 0xf8, 0xd7 }, + { 0x68, 0x0a }, + { 0x69, 0x09 }, +}; + +static int s921_i2c_writereg(struct s921_state *state, + u8 i2c_addr, int reg, int data) +{ + u8 buf[] = { reg, data }; + struct i2c_msg msg = { + .addr = i2c_addr, .flags = 0, .buf = buf, .len = 2 + }; + int rc; + + rc = i2c_transfer(state->i2c, &msg, 1); + if (rc != 1) { + printk("%s: writereg rcor(rc == %i, reg == 0x%02x," + " data == 0x%02x)\n", __func__, rc, reg, data); + return rc; + } + + return 0; +} + +static int s921_i2c_writeregdata(struct s921_state *state, u8 i2c_addr, + struct regdata *rd, int size) +{ + int i, rc; + + for (i = 0; i < size; i++) { + rc = s921_i2c_writereg(state, i2c_addr, rd[i].reg, rd[i].data); + if (rc < 0) + return rc; + } + return 0; +} + +static int s921_i2c_readreg(struct s921_state *state, u8 i2c_addr, u8 reg) +{ + u8 val; + int rc; + struct i2c_msg msg[] = { + { .addr = i2c_addr, .flags = 0, .buf = ®, .len = 1 }, + { .addr = i2c_addr, .flags = I2C_M_RD, .buf = &val, .len = 1 } + }; + + rc = i2c_transfer(state->i2c, msg, 2); + + if (rc != 2) { + rc("%s: reg=0x%x (rcor=%d)\n", __func__, reg, rc); + return rc; + } + + return val; +} + +#define s921_readreg(state, reg) \ + s921_i2c_readreg(state, state->config->demod_address, reg) +#define s921_writereg(state, reg, val) \ + s921_i2c_writereg(state, state->config->demod_address, reg, val) +#define s921_writeregdata(state, regdata) \ + s921_i2c_writeregdata(state, state->config->demod_address, \ + regdata, ARRAY_SIZE(regdata)) + +static int s921_pll_tune(struct dvb_frontend *fe, + struct dvb_frontend_parameters *p) +{ + struct s921_state *state = fe->demodulator_priv; + int band, rc, i; + unsigned long f_offset; + u8 f_switch; + u64 offset; + + dprintk("frequency=%i\n", p->frequency); + + for (band = 0; band < ARRAY_SIZE(s921_bandselect); band++) + if (p->frequency < s921_bandselect[band].freq_low) + break; + band--; + + if (band < 0) { + rc("%s: frequency out of range\n", __func__); + return -EINVAL; + } + + f_switch = s921_bandselect[band].band_reg; + + offset = ((u64)p->frequency) * 258; + do_div(offset, 6000000); + f_offset = ((unsigned long)offset) + 2321; + + rc = s921_writeregdata(state, s921_prefreq); + if (rc < 0) + return rc; + + rc = s921_writereg(state, 0xf2, (f_offset >> 8) & 0xff); + if (rc < 0) + return rc; + + rc = s921_writereg(state, 0xf3, f_offset & 0xff); + if (rc < 0) + return rc; + + rc = s921_writereg(state, 0xf4, f_switch); + if (rc < 0) + return rc; + + rc = s921_writeregdata(state, s921_postfreq); + if (rc < 0) + return rc; + + for (i = 0 ; i < 6; i++) { + rc = s921_readreg(state, 0x80); + dprintk("status 0x80: %02x\n", rc); + } + rc = s921_writereg(state, 0x01, 0x40); + if (rc < 0) + return rc; + + rc = s921_readreg(state, 0x01); + dprintk("status 0x01: %02x\n", rc); + + rc = s921_readreg(state, 0x80); + dprintk("status 0x80: %02x\n", rc); + + rc = s921_readreg(state, 0x80); + dprintk("status 0x80: %02x\n", rc); + + rc = s921_readreg(state, 0x32); + dprintk("status 0x32: %02x\n", rc); + + dprintk("pll tune band=%d, pll=%d\n", f_switch, (int)f_offset); + + return 0; +} + +static int s921_initfe(struct dvb_frontend *fe) +{ + struct s921_state *state = fe->demodulator_priv; + int rc; + + dprintk("\n"); + + rc = s921_writeregdata(state, s921_init); + if (rc < 0) + return rc; + + return 0; +} + +static int s921_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct s921_state *state = fe->demodulator_priv; + int regstatus, rc; + + *status = 0; + + rc = s921_readreg(state, 0x81); + if (rc < 0) + return rc; + + regstatus = rc << 8; + + rc = s921_readreg(state, 0x82); + if (rc < 0) + return rc; + + regstatus |= rc; + + dprintk("status = %04x\n", regstatus); + + /* Full Sync - We don't know what each bit means on regs 0x81/0x82 */ + if ((regstatus & 0xff) == 0x40) { + *status = FE_HAS_SIGNAL | + FE_HAS_CARRIER | + FE_HAS_VITERBI | + FE_HAS_SYNC | + FE_HAS_LOCK; + } else if (regstatus & 0x40) { + /* This is close to Full Sync, but not enough to get useful info */ + *status = FE_HAS_SIGNAL | + FE_HAS_CARRIER | + FE_HAS_VITERBI | + FE_HAS_SYNC; + } + + return 0; +} + +static int s921_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + fe_status_t status; + struct s921_state *state = fe->demodulator_priv; + int rc; + + /* FIXME: Use the proper register for it... 0x80? */ + rc = s921_read_status(fe, &status); + if (rc < 0) + return rc; + + *strength = (status & FE_HAS_LOCK) ? 0xffff : 0; + + dprintk("strength = 0x%04x\n", *strength); + + rc = s921_readreg(state, 0x01); + dprintk("status 0x01: %02x\n", rc); + + rc = s921_readreg(state, 0x80); + dprintk("status 0x80: %02x\n", rc); + + rc = s921_readreg(state, 0x32); + dprintk("status 0x32: %02x\n", rc); + + return 0; +} + +static int s921_set_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *p) +{ + struct s921_state *state = fe->demodulator_priv; + int rc; + + dprintk("\n"); + + /* FIXME: We don't know how to use non-auto mode */ + + rc = s921_pll_tune(fe, p); + if (rc < 0) + return rc; + + state->currentfreq = p->frequency; + + return 0; +} + +static int s921_get_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *p) +{ + struct s921_state *state = fe->demodulator_priv; + + /* FIXME: Probably it is possible to get it from regs f1 and f2 */ + p->frequency = state->currentfreq; + + return 0; +} + +static int s921_tune(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params, + unsigned int mode_flags, + unsigned int *delay, + fe_status_t *status) +{ + int rc = 0; + + dprintk("\n"); + + if (params != NULL) + rc = s921_set_frontend(fe, params); + + if (!(mode_flags & FE_TUNE_MODE_ONESHOT)) + s921_read_status(fe, status); + + return rc; +} + +static int s921_get_algo(struct dvb_frontend *fe) +{ + return 1; /* FE_ALGO_HW */ +} + +static void s921_release(struct dvb_frontend *fe) +{ + struct s921_state *state = fe->demodulator_priv; + + dprintk("\n"); + kfree(state); +} + +static struct dvb_frontend_ops s921_ops; + +struct dvb_frontend *s921_attach(const struct s921_config *config, + struct i2c_adapter *i2c) +{ + /* allocate memory for the internal state */ + struct s921_state *state = + kzalloc(sizeof(struct s921_state), GFP_KERNEL); + + dprintk("\n"); + if (state == NULL) { + rc("Unable to kzalloc\n"); + goto rcor; + } + + /* setup the state */ + state->config = config; + state->i2c = i2c; + + /* create dvb_frontend */ + memcpy(&state->frontend.ops, &s921_ops, + sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + + return &state->frontend; + +rcor: + kfree(state); + + return NULL; +} +EXPORT_SYMBOL(s921_attach); + +static struct dvb_frontend_ops s921_ops = { + /* Use dib8000 values per default */ + .info = { + .name = "Sharp S921", + .type = FE_OFDM, + .frequency_min = 470000000, + /* + * Max should be 770MHz instead, according with Sharp docs, + * but Leadership doc says it works up to 806 MHz. This is + * required to get channel 69, used in Brazil + */ + .frequency_max = 806000000, + .frequency_tolerance = 0, + .caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | + FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | + FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_RECOVER | + FE_CAN_HIERARCHY_AUTO, + }, + + .release = s921_release, + + .init = s921_initfe, + .set_frontend = s921_set_frontend, + .get_frontend = s921_get_frontend, + .read_status = s921_read_status, + .read_signal_strength = s921_read_signal_strength, + .tune = s921_tune, + .get_frontend_algo = s921_get_algo, +}; + +MODULE_DESCRIPTION("DVB Frontend module for Sharp S921 hardware"); +MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>"); +MODULE_AUTHOR("Douglas Landgraf <dougsland@redhat.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/s921.h b/drivers/media/dvb/frontends/s921.h new file mode 100644 index 00000000000..f220d8299c8 --- /dev/null +++ b/drivers/media/dvb/frontends/s921.h @@ -0,0 +1,47 @@ +/* + * Sharp s921 driver + * + * Copyright (C) 2009 Mauro Carvalho Chehab <mchehab@redhat.com> + * Copyright (C) 2009 Douglas Landgraf <dougsland@redhat.com> + * + * 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 version 2. + * + * 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. + */ + +#ifndef S921_H +#define S921_H + +#include <linux/dvb/frontend.h> + +struct s921_config { + /* the demodulator's i2c address */ + u8 demod_address; +}; + +#if defined(CONFIG_DVB_S921) || (defined(CONFIG_DVB_S921_MODULE) \ + && defined(MODULE)) +extern struct dvb_frontend *s921_attach(const struct s921_config *config, + struct i2c_adapter *i2c); +extern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *); +#else +static inline struct dvb_frontend *s921_attach( + const struct s921_config *config, struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +static struct i2c_adapter * + s921_get_tuner_i2c_adapter(struct dvb_frontend *fe) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif /* S921_H */ diff --git a/drivers/media/dvb/frontends/s921_core.c b/drivers/media/dvb/frontends/s921_core.c deleted file mode 100644 index 974b52be9ae..00000000000 --- a/drivers/media/dvb/frontends/s921_core.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Driver for Sharp s921 driver - * - * Copyright (C) 2008 Markus Rechberger <mrechberger@sundtek.de> - * - */ - - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/delay.h> -#include "s921_core.h" - -static int s921_isdb_init(struct s921_isdb_t *dev); -static int s921_isdb_set_parameters(struct s921_isdb_t *dev, struct s921_isdb_t_transmission_mode_params *params); -static int s921_isdb_tune(struct s921_isdb_t *dev, struct s921_isdb_t_tune_params *params); -static int s921_isdb_get_status(struct s921_isdb_t *dev, void *data); - -static u8 init_table[]={ 0x01, 0x40, 0x02, 0x00, 0x03, 0x40, 0x04, 0x01, - 0x05, 0x00, 0x06, 0x00, 0x07, 0x00, 0x08, 0x00, - 0x09, 0x00, 0x0a, 0x00, 0x0b, 0x5a, 0x0c, 0x00, - 0x0d, 0x00, 0x0f, 0x00, 0x13, 0x1b, 0x14, 0x80, - 0x15, 0x40, 0x17, 0x70, 0x18, 0x01, 0x19, 0x12, - 0x1a, 0x01, 0x1b, 0x12, 0x1c, 0xa0, 0x1d, 0x00, - 0x1e, 0x0a, 0x1f, 0x08, 0x20, 0x40, 0x21, 0xff, - 0x22, 0x4c, 0x23, 0x4e, 0x24, 0x4c, 0x25, 0x00, - 0x26, 0x00, 0x27, 0xf4, 0x28, 0x60, 0x29, 0x88, - 0x2a, 0x40, 0x2b, 0x40, 0x2c, 0xff, 0x2d, 0x00, - 0x2e, 0xff, 0x2f, 0x00, 0x30, 0x20, 0x31, 0x06, - 0x32, 0x0c, 0x34, 0x0f, 0x37, 0xfe, 0x38, 0x00, - 0x39, 0x63, 0x3a, 0x10, 0x3b, 0x10, 0x47, 0x00, - 0x49, 0xe5, 0x4b, 0x00, 0x50, 0xc0, 0x52, 0x20, - 0x54, 0x5a, 0x55, 0x5b, 0x56, 0x40, 0x57, 0x70, - 0x5c, 0x50, 0x5d, 0x00, 0x62, 0x17, 0x63, 0x2f, - 0x64, 0x6f, 0x68, 0x00, 0x69, 0x89, 0x6a, 0x00, - 0x6b, 0x00, 0x6c, 0x00, 0x6d, 0x00, 0x6e, 0x00, - 0x70, 0x00, 0x71, 0x00, 0x75, 0x00, 0x76, 0x30, - 0x77, 0x01, 0xaf, 0x00, 0xb0, 0xa0, 0xb2, 0x3d, - 0xb3, 0x25, 0xb4, 0x8b, 0xb5, 0x4b, 0xb6, 0x3f, - 0xb7, 0xff, 0xb8, 0xff, 0xb9, 0xfc, 0xba, 0x00, - 0xbb, 0x00, 0xbc, 0x00, 0xd0, 0x30, 0xe4, 0x84, - 0xf0, 0x48, 0xf1, 0x19, 0xf2, 0x5a, 0xf3, 0x8e, - 0xf4, 0x2d, 0xf5, 0x07, 0xf6, 0x5a, 0xf7, 0xba, - 0xf8, 0xd7 }; - -static u8 c_table[]={ 0x58, 0x8a, 0x7b, 0x59, 0x8c, 0x7b, 0x5a, 0x8e, 0x5b, - 0x5b, 0x90, 0x5b, 0x5c, 0x92, 0x5b, 0x5d, 0x94, 0x5b, - 0x5e, 0x96, 0x5b, 0x5f, 0x98, 0x3b, 0x60, 0x9a, 0x3b, - 0x61, 0x9c, 0x3b, 0x62, 0x9e, 0x3b, 0x63, 0xa0, 0x3b, - 0x64, 0xa2, 0x1b, 0x65, 0xa4, 0x1b, 0x66, 0xa6, 0x1b, - 0x67, 0xa8, 0x1b, 0x68, 0xaa, 0x1b, 0x69, 0xac, 0x1b, - 0x6a, 0xae, 0x1b, 0x6b, 0xb0, 0x1b, 0x6c, 0xb2, 0x1b, - 0x6d, 0xb4, 0xfb, 0x6e, 0xb6, 0xfb, 0x6f, 0xb8, 0xfb, - 0x70, 0xba, 0xfb, 0x71, 0xbc, 0xdb, 0x72, 0xbe, 0xdb, - 0x73, 0xc0, 0xdb, 0x74, 0xc2, 0xdb, 0x75, 0xc4, 0xdb, - 0x76, 0xc6, 0xdb, 0x77, 0xc8, 0xbb, 0x78, 0xca, 0xbb, - 0x79, 0xcc, 0xbb, 0x7a, 0xce, 0xbb, 0x7b, 0xd0, 0xbb, - 0x7c, 0xd2, 0xbb, 0x7d, 0xd4, 0xbb, 0x7e, 0xd6, 0xbb, - 0x7f, 0xd8, 0xbb, 0x80, 0xda, 0x9b, 0x81, 0xdc, 0x9b, - 0x82, 0xde, 0x9b, 0x83, 0xe0, 0x9b, 0x84, 0xe2, 0x9b, - 0x85, 0xe4, 0x9b, 0x86, 0xe6, 0x9b, 0x87, 0xe8, 0x9b, - 0x88, 0xea, 0x9b, 0x89, 0xec, 0x9b }; - -int s921_isdb_cmd(struct s921_isdb_t *dev, u32 cmd, void *data) { - switch(cmd) { - case ISDB_T_CMD_INIT: - s921_isdb_init(dev); - break; - case ISDB_T_CMD_SET_PARAM: - s921_isdb_set_parameters(dev, data); - break; - case ISDB_T_CMD_TUNE: - s921_isdb_tune(dev, data); - break; - case ISDB_T_CMD_GET_STATUS: - s921_isdb_get_status(dev, data); - break; - default: - printk("unhandled command\n"); - return -EINVAL; - } - return 0; -} - -static int s921_isdb_init(struct s921_isdb_t *dev) { - unsigned int i; - unsigned int ret; - printk("isdb_init\n"); - for (i = 0; i < sizeof(init_table); i+=2) { - ret = dev->i2c_write(dev->priv_dev, init_table[i], init_table[i+1]); - if (ret != 0) { - printk("i2c write failed\n"); - return ret; - } - } - return 0; -} - -static int s921_isdb_set_parameters(struct s921_isdb_t *dev, struct s921_isdb_t_transmission_mode_params *params) { - - int ret; - /* auto is sufficient for now, lateron this should be reflected in an extra interface */ - - - - ret = dev->i2c_write(dev->priv_dev, 0xb0, 0xa0); //mod_b2); - ret = dev->i2c_write(dev->priv_dev, 0xb2, 0x3d); //mod_b2); - - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xb3, 0x25); //mod_b3); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xb4, 0x8b); //mod_b4); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xb5, 0x4b); //mod_b5); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xb6, 0x3f); //mod_b6); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xb7, 0x3f); //mod_b7); - if (ret < 0) - return -EINVAL; - - return E_OK; -} - -static int s921_isdb_tune(struct s921_isdb_t *dev, struct s921_isdb_t_tune_params *params) { - - int ret; - int index; - - index = (params->frequency - 473143000)/6000000; - - if (index > 48) { - return -EINVAL; - } - - dev->i2c_write(dev->priv_dev, 0x47, 0x60); - - ret = dev->i2c_write(dev->priv_dev, 0x68, 0x00); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0x69, 0x89); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xf0, 0x48); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xf1, 0x19); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xf2, c_table[index*3]); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xf3, c_table[index*3+1]); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xf4, c_table[index*3+2]); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xf5, 0xae); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xf6, 0xb7); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xf7, 0xba); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0xf8, 0xd7); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0x68, 0x0a); - if (ret < 0) - return -EINVAL; - - ret = dev->i2c_write(dev->priv_dev, 0x69, 0x09); - if (ret < 0) - return -EINVAL; - - dev->i2c_write(dev->priv_dev, 0x01, 0x40); - return 0; -} - -static int s921_isdb_get_status(struct s921_isdb_t *dev, void *data) { - unsigned int *ret = (unsigned int*)data; - u8 ifagc_dt; - u8 rfagc_dt; - - mdelay(10); - ifagc_dt = dev->i2c_read(dev->priv_dev, 0x81); - rfagc_dt = dev->i2c_read(dev->priv_dev, 0x82); - if (rfagc_dt == 0x40) { - *ret = 1; - } - return 0; -} diff --git a/drivers/media/dvb/frontends/s921_core.h b/drivers/media/dvb/frontends/s921_core.h deleted file mode 100644 index de2f10a44e7..00000000000 --- a/drivers/media/dvb/frontends/s921_core.h +++ /dev/null @@ -1,114 +0,0 @@ -#ifndef _S921_CORE_H -#define _S921_CORE_H -//#define u8 unsigned int -//#define u32 unsigned int - - - -//#define EINVAL -1 -#define E_OK 0 - -struct s921_isdb_t { - void *priv_dev; - int (*i2c_write)(void *dev, u8 reg, u8 val); - int (*i2c_read)(void *dev, u8 reg); -}; - -#define ISDB_T_CMD_INIT 0 -#define ISDB_T_CMD_SET_PARAM 1 -#define ISDB_T_CMD_TUNE 2 -#define ISDB_T_CMD_GET_STATUS 3 - -struct s921_isdb_t_tune_params { - u32 frequency; -}; - -struct s921_isdb_t_status { -}; - -struct s921_isdb_t_transmission_mode_params { - u8 mode; - u8 layer_a_mode; -#define ISDB_T_LA_MODE_1 0 -#define ISDB_T_LA_MODE_2 1 -#define ISDB_T_LA_MODE_3 2 - u8 layer_a_carrier_modulation; -#define ISDB_T_LA_CM_DQPSK 0 -#define ISDB_T_LA_CM_QPSK 1 -#define ISDB_T_LA_CM_16QAM 2 -#define ISDB_T_LA_CM_64QAM 3 -#define ISDB_T_LA_CM_NOLAYER 4 - u8 layer_a_code_rate; -#define ISDB_T_LA_CR_1_2 0 -#define ISDB_T_LA_CR_2_3 1 -#define ISDB_T_LA_CR_3_4 2 -#define ISDB_T_LA_CR_5_6 4 -#define ISDB_T_LA_CR_7_8 8 -#define ISDB_T_LA_CR_NOLAYER 16 - u8 layer_a_time_interleave; -#define ISDB_T_LA_TI_0 0 -#define ISDB_T_LA_TI_1 1 -#define ISDB_T_LA_TI_2 2 -#define ISDB_T_LA_TI_4 4 -#define ISDB_T_LA_TI_8 8 -#define ISDB_T_LA_TI_16 16 -#define ISDB_T_LA_TI_32 32 - u8 layer_a_nseg; - - u8 layer_b_mode; -#define ISDB_T_LB_MODE_1 0 -#define ISDB_T_LB_MODE_2 1 -#define ISDB_T_LB_MODE_3 2 - u8 layer_b_carrier_modulation; -#define ISDB_T_LB_CM_DQPSK 0 -#define ISDB_T_LB_CM_QPSK 1 -#define ISDB_T_LB_CM_16QAM 2 -#define ISDB_T_LB_CM_64QAM 3 -#define ISDB_T_LB_CM_NOLAYER 4 - u8 layer_b_code_rate; -#define ISDB_T_LB_CR_1_2 0 -#define ISDB_T_LB_CR_2_3 1 -#define ISDB_T_LB_CR_3_4 2 -#define ISDB_T_LB_CR_5_6 4 -#define ISDB_T_LB_CR_7_8 8 -#define ISDB_T_LB_CR_NOLAYER 16 - u8 layer_b_time_interleave; -#define ISDB_T_LB_TI_0 0 -#define ISDB_T_LB_TI_1 1 -#define ISDB_T_LB_TI_2 2 -#define ISDB_T_LB_TI_4 4 -#define ISDB_T_LB_TI_8 8 -#define ISDB_T_LB_TI_16 16 -#define ISDB_T_LB_TI_32 32 - u8 layer_b_nseg; - - u8 layer_c_mode; -#define ISDB_T_LC_MODE_1 0 -#define ISDB_T_LC_MODE_2 1 -#define ISDB_T_LC_MODE_3 2 - u8 layer_c_carrier_modulation; -#define ISDB_T_LC_CM_DQPSK 0 -#define ISDB_T_LC_CM_QPSK 1 -#define ISDB_T_LC_CM_16QAM 2 -#define ISDB_T_LC_CM_64QAM 3 -#define ISDB_T_LC_CM_NOLAYER 4 - u8 layer_c_code_rate; -#define ISDB_T_LC_CR_1_2 0 -#define ISDB_T_LC_CR_2_3 1 -#define ISDB_T_LC_CR_3_4 2 -#define ISDB_T_LC_CR_5_6 4 -#define ISDB_T_LC_CR_7_8 8 -#define ISDB_T_LC_CR_NOLAYER 16 - u8 layer_c_time_interleave; -#define ISDB_T_LC_TI_0 0 -#define ISDB_T_LC_TI_1 1 -#define ISDB_T_LC_TI_2 2 -#define ISDB_T_LC_TI_4 4 -#define ISDB_T_LC_TI_8 8 -#define ISDB_T_LC_TI_16 16 -#define ISDB_T_LC_TI_32 32 - u8 layer_c_nseg; -}; - -int s921_isdb_cmd(struct s921_isdb_t *dev, u32 cmd, void *data); -#endif diff --git a/drivers/media/dvb/frontends/s921_module.c b/drivers/media/dvb/frontends/s921_module.c deleted file mode 100644 index 0eefff61cc5..00000000000 --- a/drivers/media/dvb/frontends/s921_module.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - * Driver for Sharp s921 driver - * - * Copyright (C) 2008 Markus Rechberger <mrechberger@sundtek.de> - * - * All rights reserved. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include "dvb_frontend.h" -#include "s921_module.h" -#include "s921_core.h" - -static unsigned int debug = 0; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug,"s921 debugging (default off)"); - -#define dprintk(fmt, args...) if (debug) do {\ - printk("s921 debug: " fmt, ##args); } while (0) - -struct s921_state -{ - struct dvb_frontend frontend; - fe_modulation_t current_modulation; - __u32 snr; - __u32 current_frequency; - __u8 addr; - struct s921_isdb_t dev; - struct i2c_adapter *i2c; -}; - -static int s921_set_parameters(struct dvb_frontend *fe, struct dvb_frontend_parameters *param) { - struct s921_state *state = (struct s921_state *)fe->demodulator_priv; - struct s921_isdb_t_transmission_mode_params params; - struct s921_isdb_t_tune_params tune_params; - - tune_params.frequency = param->frequency; - s921_isdb_cmd(&state->dev, ISDB_T_CMD_SET_PARAM, ¶ms); - s921_isdb_cmd(&state->dev, ISDB_T_CMD_TUNE, &tune_params); - mdelay(100); - return 0; -} - -static int s921_init(struct dvb_frontend *fe) { - printk("s921 init\n"); - return 0; -} - -static int s921_sleep(struct dvb_frontend *fe) { - printk("s921 sleep\n"); - return 0; -} - -static int s921_read_status(struct dvb_frontend *fe, fe_status_t *status) -{ - struct s921_state *state = (struct s921_state *)fe->demodulator_priv; - unsigned int ret; - mdelay(5); - s921_isdb_cmd(&state->dev, ISDB_T_CMD_GET_STATUS, &ret); - *status = 0; - - printk("status: %02x\n", ret); - if (ret == 1) { - *status |= FE_HAS_CARRIER; - *status |= FE_HAS_VITERBI; - *status |= FE_HAS_LOCK; - *status |= FE_HAS_SYNC; - *status |= FE_HAS_SIGNAL; - } - - return 0; -} - -static int s921_read_ber(struct dvb_frontend *fe, __u32 *ber) -{ - dprintk("read ber\n"); - return 0; -} - -static int s921_read_snr(struct dvb_frontend *fe, __u16 *snr) -{ - dprintk("read snr\n"); - return 0; -} - -static int s921_read_ucblocks(struct dvb_frontend *fe, __u32 *ucblocks) -{ - dprintk("read ucblocks\n"); - return 0; -} - -static void s921_release(struct dvb_frontend *fe) -{ - struct s921_state *state = (struct s921_state *)fe->demodulator_priv; - kfree(state); -} - -static struct dvb_frontend_ops demod_s921={ - .info = { - .name = "SHARP S921", - .type = FE_OFDM, - .frequency_min = 473143000, - .frequency_max = 767143000, - .frequency_stepsize = 6000000, - .frequency_tolerance = 0, - .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | - FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | - FE_CAN_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | - FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | - FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER | - FE_CAN_MUTE_TS - }, - .init = s921_init, - .sleep = s921_sleep, - .set_frontend = s921_set_parameters, - .read_snr = s921_read_snr, - .read_ber = s921_read_ber, - .read_status = s921_read_status, - .read_ucblocks = s921_read_ucblocks, - .release = s921_release, -}; - -static int s921_write(void *dev, u8 reg, u8 val) { - struct s921_state *state = dev; - char buf[2]={reg,val}; - int err; - struct i2c_msg i2cmsgs = { - .addr = state->addr, - .flags = 0, - .len = 2, - .buf = buf - }; - - if((err = i2c_transfer(state->i2c, &i2cmsgs, 1))<0) { - printk("%s i2c_transfer error %d\n", __func__, err); - if (err < 0) - return err; - else - return -EREMOTEIO; - } - - return 0; -} - -static int s921_read(void *dev, u8 reg) { - struct s921_state *state = dev; - u8 b1; - int ret; - struct i2c_msg msg[2] = { { .addr = state->addr, - .flags = 0, - .buf = ®, .len = 1 }, - { .addr = state->addr, - .flags = I2C_M_RD, - .buf = &b1, .len = 1 } }; - - ret = i2c_transfer(state->i2c, msg, 2); - if (ret != 2) - return ret; - return b1; -} - -struct dvb_frontend* s921_attach(const struct s921_config *config, - struct i2c_adapter *i2c) -{ - - struct s921_state *state; - state = kzalloc(sizeof(struct s921_state), GFP_KERNEL); - if (state == NULL) - return NULL; - - state->addr = config->i2c_address; - state->i2c = i2c; - state->dev.i2c_write = &s921_write; - state->dev.i2c_read = &s921_read; - state->dev.priv_dev = state; - - s921_isdb_cmd(&state->dev, ISDB_T_CMD_INIT, NULL); - - memcpy(&state->frontend.ops, &demod_s921, sizeof(struct dvb_frontend_ops)); - state->frontend.demodulator_priv = state; - return &state->frontend; -} - -EXPORT_SYMBOL_GPL(s921_attach); -MODULE_AUTHOR("Markus Rechberger <mrechberger@empiatech.com>"); -MODULE_DESCRIPTION("Sharp S921 ISDB-T 1Seg"); -MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/s921_module.h b/drivers/media/dvb/frontends/s921_module.h deleted file mode 100644 index 78660424ba9..00000000000 --- a/drivers/media/dvb/frontends/s921_module.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Driver for DVB-T s921 demodulator - * - * Copyright (C) 2008 Markus Rechberger <mrechberger@sundtek.de> - * - * 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 S921_MODULE_H -#define S921_MODULE_H - -#include <linux/dvb/frontend.h> -#include "s921_core.h" - -int s921_isdb_init(struct s921_isdb_t *dev); -int s921_isdb_cmd(struct s921_isdb_t *dev, u32 cmd, void *data); - -struct s921_config -{ - /* demodulator's I2C address */ - u8 i2c_address; -}; - -#if defined(CONFIG_DVB_S921) || (defined(CONFIG_DVB_S921_MODULE) && defined(MODULE)) -extern struct dvb_frontend* s921_attach(const struct s921_config *config, - struct i2c_adapter *i2c); -#else -static inline struct dvb_frontend* s921_attach(const struct s921_config *config, - struct i2c_adapter *i2c) -{ - printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); - return NULL; -} -#endif /* CONFIG_DVB_S921 */ - -#endif /* S921_H */ |