diff options
Diffstat (limited to 'drivers/media/dvb/frontends/s921_module.c')
| -rw-r--r-- | drivers/media/dvb/frontends/s921_module.c | 192 |
1 files changed, 0 insertions, 192 deletions
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"); |