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
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
--- /dev/null
+/*
+ * 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");
--- /dev/null
+/*
+ * 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 */
+++ /dev/null
-/*
- * 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;
-}
+++ /dev/null
-#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
+++ /dev/null
-/*
- * 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");
+++ /dev/null
-/*
- * 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 */
projects / platform / kernel / kernel-mfld-blackbay.git / commitdiff