earth-pt1 was a monolithic module and included demod/tuner drivers.
This patch removes those FE parts and attach demod/tuner i2c drivers.
Signed-off-by: Akihiro Tsukada <tskd08@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
config DVB_PT1
tristate "PT1 cards"
depends on DVB_CORE && PCI && I2C
+ select DVB_TC90522 if MEDIA_SUBDRV_AUTOSELECT
+ select DVB_PLL if MEDIA_SUBDRV_AUTOSELECT
+ select MEDIA_TUNER_QM1D1B0004 if MEDIA_SUBDRV_AUTOSELECT
help
Support for Earthsoft PT1 PCI cards.
-earth-pt1-objs := pt1.o va1j5jf8007s.o va1j5jf8007t.o
+earth-pt1-objs := pt1.o
obj-$(CONFIG_DVB_PT1) += earth-pt1.o
ccflags-y += -Idrivers/media/dvb-frontends
+ccflags-y += -Idrivers/media/tuners
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/ratelimit.h>
+#include <linux/string.h>
+#include <linux/i2c.h>
#include <media/dvbdev.h>
#include <media/dvb_demux.h>
#include <media/dvb_net.h>
#include <media/dvb_frontend.h>
-#include "va1j5jf8007t.h"
-#include "va1j5jf8007s.h"
+#include "tc90522.h"
+#include "qm1d1b0004.h"
+#include "dvb-pll.h"
#define DRIVER_NAME "earth-pt1"
struct pt1_buffer bufs[PT1_NR_BUFS];
};
+enum pt1_fe_clk {
+ PT1_FE_CLK_20MHZ, /* PT1 */
+ PT1_FE_CLK_25MHZ, /* PT2 */
+};
+
#define PT1_NR_ADAPS 4
struct pt1_adapter;
struct mutex lock;
int power;
int reset;
+
+ enum pt1_fe_clk fe_clk;
};
struct pt1_adapter {
int users;
struct dmxdev dmxdev;
struct dvb_frontend *fe;
+ struct i2c_client *demod_i2c_client;
+ struct i2c_client *tuner_i2c_client;
int (*orig_set_voltage)(struct dvb_frontend *fe,
enum fe_sec_voltage voltage);
int (*orig_sleep)(struct dvb_frontend *fe);
int sleep;
};
+union pt1_tuner_config {
+ struct qm1d1b0004_config qm1d1b0004;
+ struct dvb_pll_config tda6651;
+};
+
+struct pt1_config {
+ struct i2c_board_info demod_info;
+ struct tc90522_config demod_cfg;
+
+ struct i2c_board_info tuner_info;
+ union pt1_tuner_config tuner_cfg;
+};
+
+static const struct pt1_config pt1_configs[PT1_NR_ADAPS] = {
+ {
+ .demod_info = {
+ I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x1b),
+ },
+ .tuner_info = {
+ I2C_BOARD_INFO("qm1d1b0004", 0x60),
+ },
+ },
+ {
+ .demod_info = {
+ I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x1a),
+ },
+ .tuner_info = {
+ I2C_BOARD_INFO("tda665x_earthpt1", 0x61),
+ },
+ },
+ {
+ .demod_info = {
+ I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x19),
+ },
+ .tuner_info = {
+ I2C_BOARD_INFO("qm1d1b0004", 0x60),
+ },
+ },
+ {
+ .demod_info = {
+ I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x18),
+ },
+ .tuner_info = {
+ I2C_BOARD_INFO("tda665x_earthpt1", 0x61),
+ },
+ },
+};
+
+static const u8 va1j5jf8007s_20mhz_configs[][2] = {
+ {0x04, 0x02}, {0x0d, 0x55}, {0x11, 0x40}, {0x13, 0x80}, {0x17, 0x01},
+ {0x1c, 0x0a}, {0x1d, 0xaa}, {0x1e, 0x20}, {0x1f, 0x88}, {0x51, 0xb0},
+ {0x52, 0x89}, {0x53, 0xb3}, {0x5a, 0x2d}, {0x5b, 0xd3}, {0x85, 0x69},
+ {0x87, 0x04}, {0x8e, 0x02}, {0xa3, 0xf7}, {0xa5, 0xc0},
+};
+
+static const u8 va1j5jf8007s_25mhz_configs[][2] = {
+ {0x04, 0x02}, {0x11, 0x40}, {0x13, 0x80}, {0x17, 0x01}, {0x1c, 0x0a},
+ {0x1d, 0xaa}, {0x1e, 0x20}, {0x1f, 0x88}, {0x51, 0xb0}, {0x52, 0x89},
+ {0x53, 0xb3}, {0x5a, 0x2d}, {0x5b, 0xd3}, {0x85, 0x69}, {0x87, 0x04},
+ {0x8e, 0x26}, {0xa3, 0xf7}, {0xa5, 0xc0},
+};
+
+static const u8 va1j5jf8007t_20mhz_configs[][2] = {
+ {0x03, 0x90}, {0x14, 0x8f}, {0x1c, 0x2a}, {0x1d, 0xa8}, {0x1e, 0xa2},
+ {0x22, 0x83}, {0x31, 0x0d}, {0x32, 0xe0}, {0x39, 0xd3}, {0x3a, 0x00},
+ {0x3b, 0x11}, {0x3c, 0x3f},
+ {0x5c, 0x40}, {0x5f, 0x80}, {0x75, 0x02}, {0x76, 0x4e}, {0x77, 0x03},
+ {0xef, 0x01}
+};
+
+static const u8 va1j5jf8007t_25mhz_configs[][2] = {
+ {0x03, 0x90}, {0x1c, 0x2a}, {0x1d, 0xa8}, {0x1e, 0xa2}, {0x22, 0x83},
+ {0x3a, 0x04}, {0x3b, 0x11}, {0x3c, 0x3f}, {0x5c, 0x40}, {0x5f, 0x80},
+ {0x75, 0x0a}, {0x76, 0x4c}, {0x77, 0x03}, {0xef, 0x01}
+};
+
+static int config_demod(struct i2c_client *cl, enum pt1_fe_clk clk)
+{
+ int ret;
+ u8 buf[2] = {0x01, 0x80};
+ bool is_sat;
+ const u8 (*cfg_data)[2];
+ int i, len;
+
+ ret = i2c_master_send(cl, buf, 2);
+ if (ret < 0)
+ return ret;
+ usleep_range(30000, 50000);
+
+ is_sat = !strncmp(cl->name, TC90522_I2C_DEV_SAT, I2C_NAME_SIZE);
+ if (is_sat) {
+ struct i2c_msg msg[2];
+ u8 wbuf, rbuf;
+
+ wbuf = 0x07;
+ msg[0].addr = cl->addr;
+ msg[0].flags = 0;
+ msg[0].len = 1;
+ msg[0].buf = &wbuf;
+
+ msg[1].addr = cl->addr;
+ msg[1].flags = I2C_M_RD;
+ msg[1].len = 1;
+ msg[1].buf = &rbuf;
+ ret = i2c_transfer(cl->adapter, msg, 2);
+ if (ret < 0)
+ return ret;
+ if (rbuf != 0x41)
+ return -EIO;
+ }
+
+ /* frontend init */
+ if (clk == PT1_FE_CLK_20MHZ) {
+ if (is_sat) {
+ cfg_data = va1j5jf8007s_20mhz_configs;
+ len = ARRAY_SIZE(va1j5jf8007s_20mhz_configs);
+ } else {
+ cfg_data = va1j5jf8007t_20mhz_configs;
+ len = ARRAY_SIZE(va1j5jf8007t_20mhz_configs);
+ }
+ } else {
+ if (is_sat) {
+ cfg_data = va1j5jf8007s_25mhz_configs;
+ len = ARRAY_SIZE(va1j5jf8007s_25mhz_configs);
+ } else {
+ cfg_data = va1j5jf8007t_25mhz_configs;
+ len = ARRAY_SIZE(va1j5jf8007t_25mhz_configs);
+ }
+ }
+
+ for (i = 0; i < len; i++) {
+ ret = i2c_master_send(cl, cfg_data[i], 2);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
static void pt1_write_reg(struct pt1 *pt1, int reg, u32 data)
{
writel(data, pt1->regs + reg * 4);
static int pt1_sleep(struct dvb_frontend *fe)
{
struct pt1_adapter *adap;
+ int ret;
adap = container_of(fe->dvb, struct pt1_adapter, adap);
- adap->sleep = 1;
- pt1_update_power(adap->pt1);
+ ret = 0;
if (adap->orig_sleep)
- return adap->orig_sleep(fe);
- else
- return 0;
+ ret = adap->orig_sleep(fe);
+
+ adap->sleep = 1;
+ pt1_update_power(adap->pt1);
+ return ret;
}
static int pt1_wakeup(struct dvb_frontend *fe)
{
struct pt1_adapter *adap;
+ int ret;
adap = container_of(fe->dvb, struct pt1_adapter, adap);
adap->sleep = 0;
pt1_update_power(adap->pt1);
schedule_timeout_uninterruptible((HZ + 999) / 1000);
- if (adap->orig_init)
- return adap->orig_init(fe);
- else
- return 0;
+ ret = config_demod(adap->demod_i2c_client, adap->pt1->fe_clk);
+ if (ret == 0 && adap->orig_init)
+ ret = adap->orig_init(fe);
+ return ret;
}
static void pt1_free_adapter(struct pt1_adapter *adap)
static void pt1_cleanup_frontend(struct pt1_adapter *adap)
{
dvb_unregister_frontend(adap->fe);
+ dvb_module_release(adap->tuner_i2c_client);
+ dvb_module_release(adap->demod_i2c_client);
}
static int pt1_init_frontend(struct pt1_adapter *adap, struct dvb_frontend *fe)
pt1_cleanup_frontend(pt1->adaps[i]);
}
-struct pt1_config {
- struct va1j5jf8007s_config va1j5jf8007s_config;
- struct va1j5jf8007t_config va1j5jf8007t_config;
-};
-
-static const struct pt1_config pt1_configs[2] = {
- {
- {
- .demod_address = 0x1b,
- .frequency = VA1J5JF8007S_20MHZ,
- },
- {
- .demod_address = 0x1a,
- .frequency = VA1J5JF8007T_20MHZ,
- },
- }, {
- {
- .demod_address = 0x19,
- .frequency = VA1J5JF8007S_20MHZ,
- },
- {
- .demod_address = 0x18,
- .frequency = VA1J5JF8007T_20MHZ,
- },
- },
-};
-
-static const struct pt1_config pt2_configs[2] = {
- {
- {
- .demod_address = 0x1b,
- .frequency = VA1J5JF8007S_25MHZ,
- },
- {
- .demod_address = 0x1a,
- .frequency = VA1J5JF8007T_25MHZ,
- },
- }, {
- {
- .demod_address = 0x19,
- .frequency = VA1J5JF8007S_25MHZ,
- },
- {
- .demod_address = 0x18,
- .frequency = VA1J5JF8007T_25MHZ,
- },
- },
-};
-
static int pt1_init_frontends(struct pt1 *pt1)
{
- int i, j;
- struct i2c_adapter *i2c_adap;
- const struct pt1_config *configs, *config;
- struct dvb_frontend *fe[4];
+ int i;
int ret;
- i = 0;
- j = 0;
-
- i2c_adap = &pt1->i2c_adap;
- configs = pt1->pdev->device == 0x211a ? pt1_configs : pt2_configs;
- do {
- config = &configs[i / 2];
-
- fe[i] = va1j5jf8007s_attach(&config->va1j5jf8007s_config,
- i2c_adap);
- if (!fe[i]) {
- ret = -ENODEV; /* This does not sound nice... */
- goto err;
- }
- i++;
-
- fe[i] = va1j5jf8007t_attach(&config->va1j5jf8007t_config,
- i2c_adap);
- if (!fe[i]) {
- ret = -ENODEV;
- goto err;
+ for (i = 0; i < ARRAY_SIZE(pt1_configs); i++) {
+ const struct i2c_board_info *info;
+ struct tc90522_config dcfg;
+ struct i2c_client *cl;
+
+ info = &pt1_configs[i].demod_info;
+ dcfg = pt1_configs[i].demod_cfg;
+ dcfg.tuner_i2c = NULL;
+
+ ret = -ENODEV;
+ cl = dvb_module_probe("tc90522", info->type, &pt1->i2c_adap,
+ info->addr, &dcfg);
+ if (!cl)
+ goto fe_unregister;
+ pt1->adaps[i]->demod_i2c_client = cl;
+
+ if (!strncmp(cl->name, TC90522_I2C_DEV_SAT,
+ strlen(TC90522_I2C_DEV_SAT))) {
+ struct qm1d1b0004_config tcfg;
+
+ info = &pt1_configs[i].tuner_info;
+ tcfg = pt1_configs[i].tuner_cfg.qm1d1b0004;
+ tcfg.fe = dcfg.fe;
+ cl = dvb_module_probe("qm1d1b0004",
+ info->type, dcfg.tuner_i2c,
+ info->addr, &tcfg);
+ } else {
+ struct dvb_pll_config tcfg;
+
+ info = &pt1_configs[i].tuner_info;
+ tcfg = pt1_configs[i].tuner_cfg.tda6651;
+ tcfg.fe = dcfg.fe;
+ cl = dvb_module_probe("dvb_pll",
+ info->type, dcfg.tuner_i2c,
+ info->addr, &tcfg);
}
- i++;
+ if (!cl)
+ goto demod_release;
+ pt1->adaps[i]->tuner_i2c_client = cl;
- ret = va1j5jf8007s_prepare(fe[i - 2]);
+ ret = pt1_init_frontend(pt1->adaps[i], dcfg.fe);
if (ret < 0)
- goto err;
-
- ret = va1j5jf8007t_prepare(fe[i - 1]);
- if (ret < 0)
- goto err;
-
- } while (i < 4);
-
- do {
- ret = pt1_init_frontend(pt1->adaps[j], fe[j]);
- if (ret < 0)
- goto err;
- } while (++j < 4);
+ goto tuner_release;
+ }
return 0;
-err:
- while (i-- > j)
- fe[i]->ops.release(fe[i]);
-
- while (j--)
- dvb_unregister_frontend(fe[j]);
-
+tuner_release:
+ dvb_module_release(pt1->adaps[i]->tuner_i2c_client);
+demod_release:
+ dvb_module_release(pt1->adaps[i]->demod_i2c_client);
+fe_unregister:
+ dev_warn(&pt1->pdev->dev, "failed to init FE(%d).\n", i);
+ i--;
+ for (; i >= 0; i--) {
+ dvb_unregister_frontend(pt1->adaps[i]->fe);
+ dvb_module_release(pt1->adaps[i]->tuner_i2c_client);
+ dvb_module_release(pt1->adaps[i]->demod_i2c_client);
+ }
return ret;
}
mutex_init(&pt1->lock);
pt1->pdev = pdev;
pt1->regs = regs;
+ pt1->fe_clk = (pdev->device == 0x211a) ?
+ PT1_FE_CLK_20MHZ : PT1_FE_CLK_25MHZ;
pci_set_drvdata(pdev, pt1);
ret = pt1_init_adapters(pt1);
+++ /dev/null
-/*
- * ISDB-S driver for VA1J5JF8007/VA1J5JF8011
- *
- * Copyright (C) 2009 HIRANO Takahito <hiranotaka@zng.info>
- *
- * based on pt1dvr - http://pt1dvr.sourceforge.jp/
- * by Tomoaki Ishikawa <tomy@users.sourceforge.jp>
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/i2c.h>
-#include <media/dvb_frontend.h>
-#include "va1j5jf8007s.h"
-
-enum va1j5jf8007s_tune_state {
- VA1J5JF8007S_IDLE,
- VA1J5JF8007S_SET_FREQUENCY_1,
- VA1J5JF8007S_SET_FREQUENCY_2,
- VA1J5JF8007S_SET_FREQUENCY_3,
- VA1J5JF8007S_CHECK_FREQUENCY,
- VA1J5JF8007S_SET_MODULATION,
- VA1J5JF8007S_CHECK_MODULATION,
- VA1J5JF8007S_SET_TS_ID,
- VA1J5JF8007S_CHECK_TS_ID,
- VA1J5JF8007S_TRACK,
-};
-
-struct va1j5jf8007s_state {
- const struct va1j5jf8007s_config *config;
- struct i2c_adapter *adap;
- struct dvb_frontend fe;
- enum va1j5jf8007s_tune_state tune_state;
-};
-
-static int va1j5jf8007s_read_snr(struct dvb_frontend *fe, u16 *snr)
-{
- struct va1j5jf8007s_state *state;
- u8 addr;
- int i;
- u8 write_buf[1], read_buf[1];
- struct i2c_msg msgs[2];
- s32 word, x1, x2, x3, x4, x5, y;
-
- state = fe->demodulator_priv;
- addr = state->config->demod_address;
-
- word = 0;
- for (i = 0; i < 2; i++) {
- write_buf[0] = 0xbc + i;
-
- msgs[0].addr = addr;
- msgs[0].flags = 0;
- msgs[0].len = sizeof(write_buf);
- msgs[0].buf = write_buf;
-
- msgs[1].addr = addr;
- msgs[1].flags = I2C_M_RD;
- msgs[1].len = sizeof(read_buf);
- msgs[1].buf = read_buf;
-
- if (i2c_transfer(state->adap, msgs, 2) != 2)
- return -EREMOTEIO;
-
- word <<= 8;
- word |= read_buf[0];
- }
-
- word -= 3000;
- if (word < 0)
- word = 0;
-
- x1 = int_sqrt(word << 16) * ((15625ll << 21) / 1000000);
- x2 = (s64)x1 * x1 >> 31;
- x3 = (s64)x2 * x1 >> 31;
- x4 = (s64)x2 * x2 >> 31;
- x5 = (s64)x4 * x1 >> 31;
-
- y = (58857ll << 23) / 1000;
- y -= (s64)x1 * ((89565ll << 24) / 1000) >> 30;
- y += (s64)x2 * ((88977ll << 24) / 1000) >> 28;
- y -= (s64)x3 * ((50259ll << 25) / 1000) >> 27;
- y += (s64)x4 * ((14341ll << 27) / 1000) >> 27;
- y -= (s64)x5 * ((16346ll << 30) / 10000) >> 28;
-
- *snr = y < 0 ? 0 : y >> 15;
- return 0;
-}
-
-static int va1j5jf8007s_get_frontend_algo(struct dvb_frontend *fe)
-{
- return DVBFE_ALGO_HW;
-}
-
-static int
-va1j5jf8007s_read_status(struct dvb_frontend *fe, enum fe_status *status)
-{
- struct va1j5jf8007s_state *state;
-
- state = fe->demodulator_priv;
-
- switch (state->tune_state) {
- case VA1J5JF8007S_IDLE:
- case VA1J5JF8007S_SET_FREQUENCY_1:
- case VA1J5JF8007S_SET_FREQUENCY_2:
- case VA1J5JF8007S_SET_FREQUENCY_3:
- case VA1J5JF8007S_CHECK_FREQUENCY:
- *status = 0;
- return 0;
-
-
- case VA1J5JF8007S_SET_MODULATION:
- case VA1J5JF8007S_CHECK_MODULATION:
- *status |= FE_HAS_SIGNAL;
- return 0;
-
- case VA1J5JF8007S_SET_TS_ID:
- case VA1J5JF8007S_CHECK_TS_ID:
- *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
- return 0;
-
- case VA1J5JF8007S_TRACK:
- *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_LOCK;
- return 0;
- }
-
- BUG();
-}
-
-struct va1j5jf8007s_cb_map {
- u32 frequency;
- u8 cb;
-};
-
-static const struct va1j5jf8007s_cb_map va1j5jf8007s_cb_maps[] = {
- { 986000, 0xb2 },
- { 1072000, 0xd2 },
- { 1154000, 0xe2 },
- { 1291000, 0x20 },
- { 1447000, 0x40 },
- { 1615000, 0x60 },
- { 1791000, 0x80 },
- { 1972000, 0xa0 },
-};
-
-static u8 va1j5jf8007s_lookup_cb(u32 frequency)
-{
- int i;
- const struct va1j5jf8007s_cb_map *map;
-
- for (i = 0; i < ARRAY_SIZE(va1j5jf8007s_cb_maps); i++) {
- map = &va1j5jf8007s_cb_maps[i];
- if (frequency < map->frequency)
- return map->cb;
- }
- return 0xc0;
-}
-
-static int va1j5jf8007s_set_frequency_1(struct va1j5jf8007s_state *state)
-{
- u32 frequency;
- u16 word;
- u8 buf[6];
- struct i2c_msg msg;
-
- frequency = state->fe.dtv_property_cache.frequency;
-
- word = (frequency + 500) / 1000;
- if (frequency < 1072000)
- word = (word << 1 & ~0x1f) | (word & 0x0f);
-
- buf[0] = 0xfe;
- buf[1] = 0xc0;
- buf[2] = 0x40 | word >> 8;
- buf[3] = word;
- buf[4] = 0xe0;
- buf[5] = va1j5jf8007s_lookup_cb(frequency);
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
-
- return 0;
-}
-
-static int va1j5jf8007s_set_frequency_2(struct va1j5jf8007s_state *state)
-{
- u8 buf[3];
- struct i2c_msg msg;
-
- buf[0] = 0xfe;
- buf[1] = 0xc0;
- buf[2] = 0xe4;
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
-
- return 0;
-}
-
-static int va1j5jf8007s_set_frequency_3(struct va1j5jf8007s_state *state)
-{
- u32 frequency;
- u8 buf[4];
- struct i2c_msg msg;
-
- frequency = state->fe.dtv_property_cache.frequency;
-
- buf[0] = 0xfe;
- buf[1] = 0xc0;
- buf[2] = 0xf4;
- buf[3] = va1j5jf8007s_lookup_cb(frequency) | 0x4;
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
-
- return 0;
-}
-
-static int
-va1j5jf8007s_check_frequency(struct va1j5jf8007s_state *state, int *lock)
-{
- u8 addr;
- u8 write_buf[2], read_buf[1];
- struct i2c_msg msgs[2];
-
- addr = state->config->demod_address;
-
- write_buf[0] = 0xfe;
- write_buf[1] = 0xc1;
-
- msgs[0].addr = addr;
- msgs[0].flags = 0;
- msgs[0].len = sizeof(write_buf);
- msgs[0].buf = write_buf;
-
- msgs[1].addr = addr;
- msgs[1].flags = I2C_M_RD;
- msgs[1].len = sizeof(read_buf);
- msgs[1].buf = read_buf;
-
- if (i2c_transfer(state->adap, msgs, 2) != 2)
- return -EREMOTEIO;
-
- *lock = read_buf[0] & 0x40;
- return 0;
-}
-
-static int va1j5jf8007s_set_modulation(struct va1j5jf8007s_state *state)
-{
- u8 buf[2];
- struct i2c_msg msg;
-
- buf[0] = 0x03;
- buf[1] = 0x01;
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
-
- return 0;
-}
-
-static int
-va1j5jf8007s_check_modulation(struct va1j5jf8007s_state *state, int *lock)
-{
- u8 addr;
- u8 write_buf[1], read_buf[1];
- struct i2c_msg msgs[2];
-
- addr = state->config->demod_address;
-
- write_buf[0] = 0xc3;
-
- msgs[0].addr = addr;
- msgs[0].flags = 0;
- msgs[0].len = sizeof(write_buf);
- msgs[0].buf = write_buf;
-
- msgs[1].addr = addr;
- msgs[1].flags = I2C_M_RD;
- msgs[1].len = sizeof(read_buf);
- msgs[1].buf = read_buf;
-
- if (i2c_transfer(state->adap, msgs, 2) != 2)
- return -EREMOTEIO;
-
- *lock = !(read_buf[0] & 0x10);
- return 0;
-}
-
-static int
-va1j5jf8007s_set_ts_id(struct va1j5jf8007s_state *state)
-{
- u32 ts_id;
- u8 buf[3];
- struct i2c_msg msg;
-
- ts_id = state->fe.dtv_property_cache.stream_id;
- if (!ts_id || ts_id == NO_STREAM_ID_FILTER)
- return 0;
-
- buf[0] = 0x8f;
- buf[1] = ts_id >> 8;
- buf[2] = ts_id;
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
-
- return 0;
-}
-
-static int
-va1j5jf8007s_check_ts_id(struct va1j5jf8007s_state *state, int *lock)
-{
- u8 addr;
- u8 write_buf[1], read_buf[2];
- struct i2c_msg msgs[2];
- u32 ts_id;
-
- ts_id = state->fe.dtv_property_cache.stream_id;
- if (!ts_id || ts_id == NO_STREAM_ID_FILTER) {
- *lock = 1;
- return 0;
- }
-
- addr = state->config->demod_address;
-
- write_buf[0] = 0xe6;
-
- msgs[0].addr = addr;
- msgs[0].flags = 0;
- msgs[0].len = sizeof(write_buf);
- msgs[0].buf = write_buf;
-
- msgs[1].addr = addr;
- msgs[1].flags = I2C_M_RD;
- msgs[1].len = sizeof(read_buf);
- msgs[1].buf = read_buf;
-
- if (i2c_transfer(state->adap, msgs, 2) != 2)
- return -EREMOTEIO;
-
- *lock = (read_buf[0] << 8 | read_buf[1]) == ts_id;
- return 0;
-}
-
-static int
-va1j5jf8007s_tune(struct dvb_frontend *fe,
- bool re_tune,
- unsigned int mode_flags, unsigned int *delay,
- enum fe_status *status)
-{
- struct va1j5jf8007s_state *state;
- int ret;
- int lock = 0;
-
- state = fe->demodulator_priv;
-
- if (re_tune)
- state->tune_state = VA1J5JF8007S_SET_FREQUENCY_1;
-
- switch (state->tune_state) {
- case VA1J5JF8007S_IDLE:
- *delay = 3 * HZ;
- *status = 0;
- return 0;
-
- case VA1J5JF8007S_SET_FREQUENCY_1:
- ret = va1j5jf8007s_set_frequency_1(state);
- if (ret < 0)
- return ret;
-
- state->tune_state = VA1J5JF8007S_SET_FREQUENCY_2;
- *delay = 0;
- *status = 0;
- return 0;
-
- case VA1J5JF8007S_SET_FREQUENCY_2:
- ret = va1j5jf8007s_set_frequency_2(state);
- if (ret < 0)
- return ret;
-
- state->tune_state = VA1J5JF8007S_SET_FREQUENCY_3;
- *delay = (HZ + 99) / 100;
- *status = 0;
- return 0;
-
- case VA1J5JF8007S_SET_FREQUENCY_3:
- ret = va1j5jf8007s_set_frequency_3(state);
- if (ret < 0)
- return ret;
-
- state->tune_state = VA1J5JF8007S_CHECK_FREQUENCY;
- *delay = 0;
- *status = 0;
- return 0;
-
- case VA1J5JF8007S_CHECK_FREQUENCY:
- ret = va1j5jf8007s_check_frequency(state, &lock);
- if (ret < 0)
- return ret;
-
- if (!lock) {
- *delay = (HZ + 999) / 1000;
- *status = 0;
- return 0;
- }
-
- state->tune_state = VA1J5JF8007S_SET_MODULATION;
- *delay = 0;
- *status = FE_HAS_SIGNAL;
- return 0;
-
- case VA1J5JF8007S_SET_MODULATION:
- ret = va1j5jf8007s_set_modulation(state);
- if (ret < 0)
- return ret;
-
- state->tune_state = VA1J5JF8007S_CHECK_MODULATION;
- *delay = 0;
- *status = FE_HAS_SIGNAL;
- return 0;
-
- case VA1J5JF8007S_CHECK_MODULATION:
- ret = va1j5jf8007s_check_modulation(state, &lock);
- if (ret < 0)
- return ret;
-
- if (!lock) {
- *delay = (HZ + 49) / 50;
- *status = FE_HAS_SIGNAL;
- return 0;
- }
-
- state->tune_state = VA1J5JF8007S_SET_TS_ID;
- *delay = 0;
- *status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
- return 0;
-
- case VA1J5JF8007S_SET_TS_ID:
- ret = va1j5jf8007s_set_ts_id(state);
- if (ret < 0)
- return ret;
-
- state->tune_state = VA1J5JF8007S_CHECK_TS_ID;
- return 0;
-
- case VA1J5JF8007S_CHECK_TS_ID:
- ret = va1j5jf8007s_check_ts_id(state, &lock);
- if (ret < 0)
- return ret;
-
- if (!lock) {
- *delay = (HZ + 99) / 100;
- *status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
- return 0;
- }
-
- state->tune_state = VA1J5JF8007S_TRACK;
- /* fall through */
-
- case VA1J5JF8007S_TRACK:
- *delay = 3 * HZ;
- *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_LOCK;
- return 0;
- }
-
- BUG();
-}
-
-static int va1j5jf8007s_init_frequency(struct va1j5jf8007s_state *state)
-{
- u8 buf[4];
- struct i2c_msg msg;
-
- buf[0] = 0xfe;
- buf[1] = 0xc0;
- buf[2] = 0xf0;
- buf[3] = 0x04;
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
-
- return 0;
-}
-
-static int va1j5jf8007s_set_sleep(struct va1j5jf8007s_state *state, int sleep)
-{
- u8 buf[2];
- struct i2c_msg msg;
-
- buf[0] = 0x17;
- buf[1] = sleep ? 0x01 : 0x00;
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
-
- return 0;
-}
-
-static int va1j5jf8007s_sleep(struct dvb_frontend *fe)
-{
- struct va1j5jf8007s_state *state;
- int ret;
-
- state = fe->demodulator_priv;
-
- ret = va1j5jf8007s_init_frequency(state);
- if (ret < 0)
- return ret;
-
- return va1j5jf8007s_set_sleep(state, 1);
-}
-
-static int va1j5jf8007s_init(struct dvb_frontend *fe)
-{
- struct va1j5jf8007s_state *state;
-
- state = fe->demodulator_priv;
- state->tune_state = VA1J5JF8007S_IDLE;
-
- return va1j5jf8007s_set_sleep(state, 0);
-}
-
-static void va1j5jf8007s_release(struct dvb_frontend *fe)
-{
- struct va1j5jf8007s_state *state;
- state = fe->demodulator_priv;
- kfree(state);
-}
-
-static const struct dvb_frontend_ops va1j5jf8007s_ops = {
- .delsys = { SYS_ISDBS },
- .info = {
- .name = "VA1J5JF8007/VA1J5JF8011 ISDB-S",
- .frequency_min = 950000,
- .frequency_max = 2150000,
- .frequency_stepsize = 1000,
- .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_AUTO |
- FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
- FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO |
- FE_CAN_MULTISTREAM,
- },
-
- .read_snr = va1j5jf8007s_read_snr,
- .get_frontend_algo = va1j5jf8007s_get_frontend_algo,
- .read_status = va1j5jf8007s_read_status,
- .tune = va1j5jf8007s_tune,
- .sleep = va1j5jf8007s_sleep,
- .init = va1j5jf8007s_init,
- .release = va1j5jf8007s_release,
-};
-
-static int va1j5jf8007s_prepare_1(struct va1j5jf8007s_state *state)
-{
- u8 addr;
- u8 write_buf[1], read_buf[1];
- struct i2c_msg msgs[2];
-
- addr = state->config->demod_address;
-
- write_buf[0] = 0x07;
-
- msgs[0].addr = addr;
- msgs[0].flags = 0;
- msgs[0].len = sizeof(write_buf);
- msgs[0].buf = write_buf;
-
- msgs[1].addr = addr;
- msgs[1].flags = I2C_M_RD;
- msgs[1].len = sizeof(read_buf);
- msgs[1].buf = read_buf;
-
- if (i2c_transfer(state->adap, msgs, 2) != 2)
- return -EREMOTEIO;
-
- if (read_buf[0] != 0x41)
- return -EIO;
-
- return 0;
-}
-
-static const u8 va1j5jf8007s_20mhz_prepare_bufs[][2] = {
- {0x04, 0x02}, {0x0d, 0x55}, {0x11, 0x40}, {0x13, 0x80}, {0x17, 0x01},
- {0x1c, 0x0a}, {0x1d, 0xaa}, {0x1e, 0x20}, {0x1f, 0x88}, {0x51, 0xb0},
- {0x52, 0x89}, {0x53, 0xb3}, {0x5a, 0x2d}, {0x5b, 0xd3}, {0x85, 0x69},
- {0x87, 0x04}, {0x8e, 0x02}, {0xa3, 0xf7}, {0xa5, 0xc0},
-};
-
-static const u8 va1j5jf8007s_25mhz_prepare_bufs[][2] = {
- {0x04, 0x02}, {0x11, 0x40}, {0x13, 0x80}, {0x17, 0x01}, {0x1c, 0x0a},
- {0x1d, 0xaa}, {0x1e, 0x20}, {0x1f, 0x88}, {0x51, 0xb0}, {0x52, 0x89},
- {0x53, 0xb3}, {0x5a, 0x2d}, {0x5b, 0xd3}, {0x85, 0x69}, {0x87, 0x04},
- {0x8e, 0x26}, {0xa3, 0xf7}, {0xa5, 0xc0},
-};
-
-static int va1j5jf8007s_prepare_2(struct va1j5jf8007s_state *state)
-{
- const u8 (*bufs)[2];
- int size;
- u8 addr;
- u8 buf[2];
- struct i2c_msg msg;
- int i;
-
- switch (state->config->frequency) {
- case VA1J5JF8007S_20MHZ:
- bufs = va1j5jf8007s_20mhz_prepare_bufs;
- size = ARRAY_SIZE(va1j5jf8007s_20mhz_prepare_bufs);
- break;
- case VA1J5JF8007S_25MHZ:
- bufs = va1j5jf8007s_25mhz_prepare_bufs;
- size = ARRAY_SIZE(va1j5jf8007s_25mhz_prepare_bufs);
- break;
- default:
- return -EINVAL;
- }
-
- addr = state->config->demod_address;
-
- msg.addr = addr;
- msg.flags = 0;
- msg.len = 2;
- msg.buf = buf;
- for (i = 0; i < size; i++) {
- memcpy(buf, bufs[i], sizeof(buf));
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
- }
-
- return 0;
-}
-
-/* must be called after va1j5jf8007t_attach */
-int va1j5jf8007s_prepare(struct dvb_frontend *fe)
-{
- struct va1j5jf8007s_state *state;
- int ret;
-
- state = fe->demodulator_priv;
-
- ret = va1j5jf8007s_prepare_1(state);
- if (ret < 0)
- return ret;
-
- ret = va1j5jf8007s_prepare_2(state);
- if (ret < 0)
- return ret;
-
- return va1j5jf8007s_init_frequency(state);
-}
-
-struct dvb_frontend *
-va1j5jf8007s_attach(const struct va1j5jf8007s_config *config,
- struct i2c_adapter *adap)
-{
- struct va1j5jf8007s_state *state;
- struct dvb_frontend *fe;
- u8 buf[2];
- struct i2c_msg msg;
-
- state = kzalloc(sizeof(struct va1j5jf8007s_state), GFP_KERNEL);
- if (!state)
- return NULL;
-
- state->config = config;
- state->adap = adap;
-
- fe = &state->fe;
- memcpy(&fe->ops, &va1j5jf8007s_ops, sizeof(struct dvb_frontend_ops));
- fe->demodulator_priv = state;
-
- buf[0] = 0x01;
- buf[1] = 0x80;
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1) {
- kfree(state);
- return NULL;
- }
-
- return fe;
-}
+++ /dev/null
-/*
- * ISDB-S driver for VA1J5JF8007/VA1J5JF8011
- *
- * Copyright (C) 2009 HIRANO Takahito <hiranotaka@zng.info>
- *
- * based on pt1dvr - http://pt1dvr.sourceforge.jp/
- * by Tomoaki Ishikawa <tomy@users.sourceforge.jp>
- *
- * 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.
- */
-
-#ifndef VA1J5JF8007S_H
-#define VA1J5JF8007S_H
-
-enum va1j5jf8007s_frequency {
- VA1J5JF8007S_20MHZ,
- VA1J5JF8007S_25MHZ,
-};
-
-struct va1j5jf8007s_config {
- u8 demod_address;
- enum va1j5jf8007s_frequency frequency;
-};
-
-struct i2c_adapter;
-
-struct dvb_frontend *
-va1j5jf8007s_attach(const struct va1j5jf8007s_config *config,
- struct i2c_adapter *adap);
-
-/* must be called after va1j5jf8007t_attach */
-int va1j5jf8007s_prepare(struct dvb_frontend *fe);
-
-#endif
+++ /dev/null
-/*
- * ISDB-T driver for VA1J5JF8007/VA1J5JF8011
- *
- * Copyright (C) 2009 HIRANO Takahito <hiranotaka@zng.info>
- *
- * based on pt1dvr - http://pt1dvr.sourceforge.jp/
- * by Tomoaki Ishikawa <tomy@users.sourceforge.jp>
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/i2c.h>
-#include <media/dvb_frontend.h>
-#include <media/dvb_math.h>
-#include "va1j5jf8007t.h"
-
-enum va1j5jf8007t_tune_state {
- VA1J5JF8007T_IDLE,
- VA1J5JF8007T_SET_FREQUENCY,
- VA1J5JF8007T_CHECK_FREQUENCY,
- VA1J5JF8007T_SET_MODULATION,
- VA1J5JF8007T_CHECK_MODULATION,
- VA1J5JF8007T_TRACK,
- VA1J5JF8007T_ABORT,
-};
-
-struct va1j5jf8007t_state {
- const struct va1j5jf8007t_config *config;
- struct i2c_adapter *adap;
- struct dvb_frontend fe;
- enum va1j5jf8007t_tune_state tune_state;
-};
-
-static int va1j5jf8007t_read_snr(struct dvb_frontend *fe, u16 *snr)
-{
- struct va1j5jf8007t_state *state;
- u8 addr;
- int i;
- u8 write_buf[1], read_buf[1];
- struct i2c_msg msgs[2];
- s32 word, x, y;
-
- state = fe->demodulator_priv;
- addr = state->config->demod_address;
-
- word = 0;
- for (i = 0; i < 3; i++) {
- write_buf[0] = 0x8b + i;
-
- msgs[0].addr = addr;
- msgs[0].flags = 0;
- msgs[0].len = sizeof(write_buf);
- msgs[0].buf = write_buf;
-
- msgs[1].addr = addr;
- msgs[1].flags = I2C_M_RD;
- msgs[1].len = sizeof(read_buf);
- msgs[1].buf = read_buf;
-
- if (i2c_transfer(state->adap, msgs, 2) != 2)
- return -EREMOTEIO;
-
- word <<= 8;
- word |= read_buf[0];
- }
-
- if (!word)
- return -EIO;
-
- x = 10 * (intlog10(0x540000 * 100 / word) - (2 << 24));
- y = (24ll << 46) / 1000000;
- y = ((s64)y * x >> 30) - (16ll << 40) / 10000;
- y = ((s64)y * x >> 29) + (398ll << 35) / 10000;
- y = ((s64)y * x >> 30) + (5491ll << 29) / 10000;
- y = ((s64)y * x >> 30) + (30965ll << 23) / 10000;
- *snr = y >> 15;
- return 0;
-}
-
-static int va1j5jf8007t_get_frontend_algo(struct dvb_frontend *fe)
-{
- return DVBFE_ALGO_HW;
-}
-
-static int
-va1j5jf8007t_read_status(struct dvb_frontend *fe, enum fe_status *status)
-{
- struct va1j5jf8007t_state *state;
-
- state = fe->demodulator_priv;
-
- switch (state->tune_state) {
- case VA1J5JF8007T_IDLE:
- case VA1J5JF8007T_SET_FREQUENCY:
- case VA1J5JF8007T_CHECK_FREQUENCY:
- *status = 0;
- return 0;
-
-
- case VA1J5JF8007T_SET_MODULATION:
- case VA1J5JF8007T_CHECK_MODULATION:
- case VA1J5JF8007T_ABORT:
- *status |= FE_HAS_SIGNAL;
- return 0;
-
- case VA1J5JF8007T_TRACK:
- *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_LOCK;
- return 0;
- }
-
- BUG();
-}
-
-struct va1j5jf8007t_cb_map {
- u32 frequency;
- u8 cb;
-};
-
-static const struct va1j5jf8007t_cb_map va1j5jf8007t_cb_maps[] = {
- { 90000000, 0x80 },
- { 140000000, 0x81 },
- { 170000000, 0xa1 },
- { 220000000, 0x62 },
- { 330000000, 0xa2 },
- { 402000000, 0xe2 },
- { 450000000, 0x64 },
- { 550000000, 0x84 },
- { 600000000, 0xa4 },
- { 700000000, 0xc4 },
-};
-
-static u8 va1j5jf8007t_lookup_cb(u32 frequency)
-{
- int i;
- const struct va1j5jf8007t_cb_map *map;
-
- for (i = 0; i < ARRAY_SIZE(va1j5jf8007t_cb_maps); i++) {
- map = &va1j5jf8007t_cb_maps[i];
- if (frequency < map->frequency)
- return map->cb;
- }
- return 0xe4;
-}
-
-static int va1j5jf8007t_set_frequency(struct va1j5jf8007t_state *state)
-{
- u32 frequency;
- u16 word;
- u8 buf[6];
- struct i2c_msg msg;
-
- frequency = state->fe.dtv_property_cache.frequency;
-
- word = (frequency + 71428) / 142857 + 399;
- buf[0] = 0xfe;
- buf[1] = 0xc2;
- buf[2] = word >> 8;
- buf[3] = word;
- buf[4] = 0x80;
- buf[5] = va1j5jf8007t_lookup_cb(frequency);
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
-
- return 0;
-}
-
-static int
-va1j5jf8007t_check_frequency(struct va1j5jf8007t_state *state, int *lock)
-{
- u8 addr;
- u8 write_buf[2], read_buf[1];
- struct i2c_msg msgs[2];
-
- addr = state->config->demod_address;
-
- write_buf[0] = 0xfe;
- write_buf[1] = 0xc3;
-
- msgs[0].addr = addr;
- msgs[0].flags = 0;
- msgs[0].len = sizeof(write_buf);
- msgs[0].buf = write_buf;
-
- msgs[1].addr = addr;
- msgs[1].flags = I2C_M_RD;
- msgs[1].len = sizeof(read_buf);
- msgs[1].buf = read_buf;
-
- if (i2c_transfer(state->adap, msgs, 2) != 2)
- return -EREMOTEIO;
-
- *lock = read_buf[0] & 0x40;
- return 0;
-}
-
-static int va1j5jf8007t_set_modulation(struct va1j5jf8007t_state *state)
-{
- u8 buf[2];
- struct i2c_msg msg;
-
- buf[0] = 0x01;
- buf[1] = 0x40;
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
-
- return 0;
-}
-
-static int va1j5jf8007t_check_modulation(struct va1j5jf8007t_state *state,
- int *lock, int *retry)
-{
- u8 addr;
- u8 write_buf[1], read_buf[1];
- struct i2c_msg msgs[2];
-
- addr = state->config->demod_address;
-
- write_buf[0] = 0x80;
-
- msgs[0].addr = addr;
- msgs[0].flags = 0;
- msgs[0].len = sizeof(write_buf);
- msgs[0].buf = write_buf;
-
- msgs[1].addr = addr;
- msgs[1].flags = I2C_M_RD;
- msgs[1].len = sizeof(read_buf);
- msgs[1].buf = read_buf;
-
- if (i2c_transfer(state->adap, msgs, 2) != 2)
- return -EREMOTEIO;
-
- *lock = !(read_buf[0] & 0x10);
- *retry = read_buf[0] & 0x80;
- return 0;
-}
-
-static int
-va1j5jf8007t_tune(struct dvb_frontend *fe,
- bool re_tune,
- unsigned int mode_flags, unsigned int *delay,
- enum fe_status *status)
-{
- struct va1j5jf8007t_state *state;
- int ret;
- int lock = 0, retry = 0;
-
- state = fe->demodulator_priv;
-
- if (re_tune)
- state->tune_state = VA1J5JF8007T_SET_FREQUENCY;
-
- switch (state->tune_state) {
- case VA1J5JF8007T_IDLE:
- *delay = 3 * HZ;
- *status = 0;
- return 0;
-
- case VA1J5JF8007T_SET_FREQUENCY:
- ret = va1j5jf8007t_set_frequency(state);
- if (ret < 0)
- return ret;
-
- state->tune_state = VA1J5JF8007T_CHECK_FREQUENCY;
- *delay = 0;
- *status = 0;
- return 0;
-
- case VA1J5JF8007T_CHECK_FREQUENCY:
- ret = va1j5jf8007t_check_frequency(state, &lock);
- if (ret < 0)
- return ret;
-
- if (!lock) {
- *delay = (HZ + 999) / 1000;
- *status = 0;
- return 0;
- }
-
- state->tune_state = VA1J5JF8007T_SET_MODULATION;
- *delay = 0;
- *status = FE_HAS_SIGNAL;
- return 0;
-
- case VA1J5JF8007T_SET_MODULATION:
- ret = va1j5jf8007t_set_modulation(state);
- if (ret < 0)
- return ret;
-
- state->tune_state = VA1J5JF8007T_CHECK_MODULATION;
- *delay = 0;
- *status = FE_HAS_SIGNAL;
- return 0;
-
- case VA1J5JF8007T_CHECK_MODULATION:
- ret = va1j5jf8007t_check_modulation(state, &lock, &retry);
- if (ret < 0)
- return ret;
-
- if (!lock) {
- if (!retry) {
- state->tune_state = VA1J5JF8007T_ABORT;
- *delay = 3 * HZ;
- *status = FE_HAS_SIGNAL;
- return 0;
- }
- *delay = (HZ + 999) / 1000;
- *status = FE_HAS_SIGNAL;
- return 0;
- }
-
- state->tune_state = VA1J5JF8007T_TRACK;
- /* fall through */
-
- case VA1J5JF8007T_TRACK:
- *delay = 3 * HZ;
- *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_LOCK;
- return 0;
-
- case VA1J5JF8007T_ABORT:
- *delay = 3 * HZ;
- *status = FE_HAS_SIGNAL;
- return 0;
- }
-
- BUG();
-}
-
-static int va1j5jf8007t_init_frequency(struct va1j5jf8007t_state *state)
-{
- u8 buf[7];
- struct i2c_msg msg;
-
- buf[0] = 0xfe;
- buf[1] = 0xc2;
- buf[2] = 0x01;
- buf[3] = 0x8f;
- buf[4] = 0xc1;
- buf[5] = 0x80;
- buf[6] = 0x80;
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
-
- return 0;
-}
-
-static int va1j5jf8007t_set_sleep(struct va1j5jf8007t_state *state, int sleep)
-{
- u8 buf[2];
- struct i2c_msg msg;
-
- buf[0] = 0x03;
- buf[1] = sleep ? 0x90 : 0x80;
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
-
- return 0;
-}
-
-static int va1j5jf8007t_sleep(struct dvb_frontend *fe)
-{
- struct va1j5jf8007t_state *state;
- int ret;
-
- state = fe->demodulator_priv;
-
- ret = va1j5jf8007t_init_frequency(state);
- if (ret < 0)
- return ret;
-
- return va1j5jf8007t_set_sleep(state, 1);
-}
-
-static int va1j5jf8007t_init(struct dvb_frontend *fe)
-{
- struct va1j5jf8007t_state *state;
-
- state = fe->demodulator_priv;
- state->tune_state = VA1J5JF8007T_IDLE;
-
- return va1j5jf8007t_set_sleep(state, 0);
-}
-
-static void va1j5jf8007t_release(struct dvb_frontend *fe)
-{
- struct va1j5jf8007t_state *state;
- state = fe->demodulator_priv;
- kfree(state);
-}
-
-static const struct dvb_frontend_ops va1j5jf8007t_ops = {
- .delsys = { SYS_ISDBT },
- .info = {
- .name = "VA1J5JF8007/VA1J5JF8011 ISDB-T",
- .frequency_min = 90000000,
- .frequency_max = 770000000,
- .frequency_stepsize = 142857,
- .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_AUTO |
- FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
- FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO,
- },
-
- .read_snr = va1j5jf8007t_read_snr,
- .get_frontend_algo = va1j5jf8007t_get_frontend_algo,
- .read_status = va1j5jf8007t_read_status,
- .tune = va1j5jf8007t_tune,
- .sleep = va1j5jf8007t_sleep,
- .init = va1j5jf8007t_init,
- .release = va1j5jf8007t_release,
-};
-
-static const u8 va1j5jf8007t_20mhz_prepare_bufs[][2] = {
- {0x03, 0x90}, {0x14, 0x8f}, {0x1c, 0x2a}, {0x1d, 0xa8}, {0x1e, 0xa2},
- {0x22, 0x83}, {0x31, 0x0d}, {0x32, 0xe0}, {0x39, 0xd3}, {0x3a, 0x00},
- {0x5c, 0x40}, {0x5f, 0x80}, {0x75, 0x02}, {0x76, 0x4e}, {0x77, 0x03},
- {0xef, 0x01}
-};
-
-static const u8 va1j5jf8007t_25mhz_prepare_bufs[][2] = {
- {0x03, 0x90}, {0x1c, 0x2a}, {0x1d, 0xa8}, {0x1e, 0xa2}, {0x22, 0x83},
- {0x3a, 0x00}, {0x5c, 0x40}, {0x5f, 0x80}, {0x75, 0x0a}, {0x76, 0x4c},
- {0x77, 0x03}, {0xef, 0x01}
-};
-
-int va1j5jf8007t_prepare(struct dvb_frontend *fe)
-{
- struct va1j5jf8007t_state *state;
- const u8 (*bufs)[2];
- int size;
- u8 buf[2];
- struct i2c_msg msg;
- int i;
-
- state = fe->demodulator_priv;
-
- switch (state->config->frequency) {
- case VA1J5JF8007T_20MHZ:
- bufs = va1j5jf8007t_20mhz_prepare_bufs;
- size = ARRAY_SIZE(va1j5jf8007t_20mhz_prepare_bufs);
- break;
- case VA1J5JF8007T_25MHZ:
- bufs = va1j5jf8007t_25mhz_prepare_bufs;
- size = ARRAY_SIZE(va1j5jf8007t_25mhz_prepare_bufs);
- break;
- default:
- return -EINVAL;
- }
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- for (i = 0; i < size; i++) {
- memcpy(buf, bufs[i], sizeof(buf));
- if (i2c_transfer(state->adap, &msg, 1) != 1)
- return -EREMOTEIO;
- }
-
- return va1j5jf8007t_init_frequency(state);
-}
-
-struct dvb_frontend *
-va1j5jf8007t_attach(const struct va1j5jf8007t_config *config,
- struct i2c_adapter *adap)
-{
- struct va1j5jf8007t_state *state;
- struct dvb_frontend *fe;
- u8 buf[2];
- struct i2c_msg msg;
-
- state = kzalloc(sizeof(struct va1j5jf8007t_state), GFP_KERNEL);
- if (!state)
- return NULL;
-
- state->config = config;
- state->adap = adap;
-
- fe = &state->fe;
- memcpy(&fe->ops, &va1j5jf8007t_ops, sizeof(struct dvb_frontend_ops));
- fe->demodulator_priv = state;
-
- buf[0] = 0x01;
- buf[1] = 0x80;
-
- msg.addr = state->config->demod_address;
- msg.flags = 0;
- msg.len = sizeof(buf);
- msg.buf = buf;
-
- if (i2c_transfer(state->adap, &msg, 1) != 1) {
- kfree(state);
- return NULL;
- }
-
- return fe;
-}
+++ /dev/null
-/*
- * ISDB-T driver for VA1J5JF8007/VA1J5JF8011
- *
- * Copyright (C) 2009 HIRANO Takahito <hiranotaka@zng.info>
- *
- * based on pt1dvr - http://pt1dvr.sourceforge.jp/
- * by Tomoaki Ishikawa <tomy@users.sourceforge.jp>
- *
- * 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.
- */
-
-#ifndef VA1J5JF8007T_H
-#define VA1J5JF8007T_H
-
-enum va1j5jf8007t_frequency {
- VA1J5JF8007T_20MHZ,
- VA1J5JF8007T_25MHZ,
-};
-
-struct va1j5jf8007t_config {
- u8 demod_address;
- enum va1j5jf8007t_frequency frequency;
-};
-
-struct i2c_adapter;
-
-struct dvb_frontend *
-va1j5jf8007t_attach(const struct va1j5jf8007t_config *config,
- struct i2c_adapter *adap);
-
-/* must be called after va1j5jf8007s_attach */
-int va1j5jf8007t_prepare(struct dvb_frontend *fe);
-
-#endif
projects / openwrt / staging / blogic.git / commitdiff