/*
* This driver needs external firmware. Please use the command
* "<kerneldir>/Documentation/dvb/get_dvb_firmware sp887x" to
- * download/extract it, and then copy it to /usr/lib/hotplug/firmware.
+ * download/extract it, and then copy it to /usr/lib/hotplug/firmware
+ * or /lib/firmware (depending on configuration of firmware hotplug).
*/
#define SP887X_DEFAULT_FIRMWARE "dvb-fe-sp887x.fw"
#include <linux/init.h>
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/firmware.h>
+#include <linux/string.h>
+#include <linux/slab.h>
#include "dvb_frontend.h"
#include "sp887x.h"
struct sp887x_state {
struct i2c_adapter* i2c;
- struct dvb_frontend_ops ops;
const struct sp887x_config* config;
struct dvb_frontend frontend;
if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
printk ("%s: i2c write error (addr %02x, err == %i)\n",
- __FUNCTION__, state->config->demod_address, err);
+ __func__, state->config->demod_address, err);
return -EREMOTEIO;
}
{
printk("%s: writereg error "
"(reg %03x, data %03x, ret == %i)\n",
- __FUNCTION__, reg & 0xffff, data & 0xffff, ret);
+ __func__, reg & 0xffff, data & 0xffff, ret);
return ret;
}
}
u8 b1 [2];
int ret;
struct i2c_msg msg[] = {{ .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 2 },
- { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 2 }};
+ { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 2 }};
if ((ret = i2c_transfer(state->i2c, msg, 2)) != 2) {
- printk("%s: readreg error (ret == %i)\n", __FUNCTION__, ret);
+ printk("%s: readreg error (ret == %i)\n", __func__, ret);
return -1;
}
static void sp887x_microcontroller_stop (struct sp887x_state* state)
{
- dprintk("%s\n", __FUNCTION__);
+ dprintk("%s\n", __func__);
sp887x_writereg(state, 0xf08, 0x000);
sp887x_writereg(state, 0xf09, 0x000);
static void sp887x_microcontroller_start (struct sp887x_state* state)
{
- dprintk("%s\n", __FUNCTION__);
+ dprintk("%s\n", __func__);
sp887x_writereg(state, 0xf08, 0x000);
sp887x_writereg(state, 0xf09, 0x000);
static void sp887x_setup_agc (struct sp887x_state* state)
{
/* setup AGC parameters */
- dprintk("%s\n", __FUNCTION__);
+ dprintk("%s\n", __func__);
sp887x_writereg(state, 0x33c, 0x054);
sp887x_writereg(state, 0x33b, 0x04c);
sp887x_writereg(state, 0x328, 0x000);
u8 buf [BLOCKSIZE+2];
int i;
int fw_size = fw->size;
- unsigned char *mem = fw->data;
+ const unsigned char *mem = fw->data;
- dprintk("%s\n", __FUNCTION__);
+ dprintk("%s\n", __func__);
/* ignore the first 10 bytes, then we expect 0x4000 bytes of firmware */
if (fw_size < FW_SIZE+10)
sp887x_microcontroller_stop (state);
- printk ("%s: firmware upload... ", __FUNCTION__);
+ printk ("%s: firmware upload... ", __func__);
/* setup write pointer to -1 (end of memory) */
/* bit 0x8000 in address is set to enable 13bit mode */
if ((err = i2c_writebytes (state, buf, c+2)) < 0) {
printk ("failed.\n");
- printk ("%s: i2c error (err == %i)\n", __FUNCTION__, err);
+ printk ("%s: i2c error (err == %i)\n", __func__, err);
return err;
}
}
/* bit 0x010: enable data valid signal */
sp887x_writereg(state, 0xd00, 0x010);
sp887x_writereg(state, 0x0d1, 0x000);
-
- /* setup the PLL */
- if (state->config->pll_init) {
- sp887x_writereg(state, 0x206, 0x001);
- state->config->pll_init(fe);
- sp887x_writereg(state, 0x206, 0x000);
- }
-
- printk ("done.\n");
return 0;
};
struct dvb_frontend_parameters *p)
{
struct sp887x_state* state = fe->demodulator_priv;
- int actual_freq, err;
+ unsigned actual_freq;
+ int err;
u16 val, reg0xc05;
if (p->u.ofdm.bandwidth != BANDWIDTH_8_MHZ &&
sp887x_microcontroller_stop(state);
/* setup the PLL */
- sp887x_writereg(state, 0x206, 0x001);
- actual_freq = state->config->pll_set(fe, p);
- sp887x_writereg(state, 0x206, 0x000);
+ if (fe->ops.tuner_ops.set_params) {
+ fe->ops.tuner_ops.set_params(fe, p);
+ if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
+ }
+ if (fe->ops.tuner_ops.get_frequency) {
+ fe->ops.tuner_ops.get_frequency(fe, &actual_freq);
+ if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
+ } else {
+ actual_freq = p->frequency;
+ }
/* read status reg in order to clear <pending irqs */
sp887x_readreg(state, 0x200);
return 0;
}
+static int sp887x_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+{
+ struct sp887x_state* state = fe->demodulator_priv;
+
+ if (enable) {
+ return sp887x_writereg(state, 0x206, 0x001);
+ } else {
+ return sp887x_writereg(state, 0x206, 0x000);
+ }
+}
+
static int sp887x_sleep(struct dvb_frontend* fe)
{
struct sp887x_state* state = fe->demodulator_priv;
static int sp887x_init(struct dvb_frontend* fe)
{
struct sp887x_state* state = fe->demodulator_priv;
- const struct firmware *fw = NULL;
+ const struct firmware *fw = NULL;
int ret;
if (!state->initialised) {
}
ret = sp887x_initial_setup(fe, fw);
+ release_firmware(fw);
if (ret) {
printk("sp887x: writing firmware to device failed\n");
- release_firmware(fw);
return ret;
}
printk("sp887x: firmware upload complete\n");
static int sp887x_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
{
- fesettings->min_delay_ms = 350;
- fesettings->step_size = 166666*2;
- fesettings->max_drift = (166666*2)+1;
- return 0;
+ fesettings->min_delay_ms = 350;
+ fesettings->step_size = 166666*2;
+ fesettings->max_drift = (166666*2)+1;
+ return 0;
}
static void sp887x_release(struct dvb_frontend* fe)
/* setup the state */
state->config = config;
state->i2c = i2c;
- memcpy(&state->ops, &sp887x_ops, sizeof(struct dvb_frontend_ops));
state->initialised = 0;
/* check if the demod is there */
if (sp887x_readreg(state, 0x0200) < 0) goto error;
/* create dvb_frontend */
- state->frontend.ops = &state->ops;
+ memcpy(&state->frontend.ops, &sp887x_ops, sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
return &state->frontend;
.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_RECOVER
+ FE_CAN_RECOVER
},
.release = sp887x_release,
.init = sp887x_init,
.sleep = sp887x_sleep,
+ .i2c_gate_ctrl = sp887x_i2c_gate_ctrl,
.set_frontend = sp887x_setup_frontend_parameters,
.get_tune_settings = sp887x_get_tune_settings,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff