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Diffstat (limited to 'drivers/media/dvb/frontends/zl10039.c')
-rw-r--r--drivers/media/dvb/frontends/zl10039.c307
1 files changed, 0 insertions, 307 deletions
diff --git a/drivers/media/dvb/frontends/zl10039.c b/drivers/media/dvb/frontends/zl10039.c
deleted file mode 100644
index eff9c5fde50..00000000000
--- a/drivers/media/dvb/frontends/zl10039.c
+++ /dev/null
@@ -1,307 +0,0 @@
-/*
- * Driver for Zarlink ZL10039 DVB-S tuner
- *
- * Copyright 2007 Jan D. Louw <jd.louw@mweb.co.za>
- *
- * 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.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/dvb/frontend.h>
-
-#include "dvb_frontend.h"
-#include "zl10039.h"
-
-static int debug;
-
-#define dprintk(args...) \
- do { \
- if (debug) \
- printk(KERN_DEBUG args); \
- } while (0)
-
-enum zl10039_model_id {
- ID_ZL10039 = 1
-};
-
-struct zl10039_state {
- struct i2c_adapter *i2c;
- u8 i2c_addr;
- u8 id;
-};
-
-enum zl10039_reg_addr {
- PLL0 = 0,
- PLL1,
- PLL2,
- PLL3,
- RFFE,
- BASE0,
- BASE1,
- BASE2,
- LO0,
- LO1,
- LO2,
- LO3,
- LO4,
- LO5,
- LO6,
- GENERAL
-};
-
-static int zl10039_read(const struct zl10039_state *state,
- const enum zl10039_reg_addr reg, u8 *buf,
- const size_t count)
-{
- u8 regbuf[] = { reg };
- struct i2c_msg msg[] = {
- {/* Write register address */
- .addr = state->i2c_addr,
- .flags = 0,
- .buf = regbuf,
- .len = 1,
- }, {/* Read count bytes */
- .addr = state->i2c_addr,
- .flags = I2C_M_RD,
- .buf = buf,
- .len = count,
- },
- };
-
- dprintk("%s\n", __func__);
-
- if (i2c_transfer(state->i2c, msg, 2) != 2) {
- dprintk("%s: i2c read error\n", __func__);
- return -EREMOTEIO;
- }
-
- return 0; /* Success */
-}
-
-static int zl10039_write(struct zl10039_state *state,
- const enum zl10039_reg_addr reg, const u8 *src,
- const size_t count)
-{
- u8 buf[count + 1];
- struct i2c_msg msg = {
- .addr = state->i2c_addr,
- .flags = 0,
- .buf = buf,
- .len = count + 1,
- };
-
- dprintk("%s\n", __func__);
- /* Write register address and data in one go */
- buf[0] = reg;
- memcpy(&buf[1], src, count);
- if (i2c_transfer(state->i2c, &msg, 1) != 1) {
- dprintk("%s: i2c write error\n", __func__);
- return -EREMOTEIO;
- }
-
- return 0; /* Success */
-}
-
-static inline int zl10039_readreg(struct zl10039_state *state,
- const enum zl10039_reg_addr reg, u8 *val)
-{
- return zl10039_read(state, reg, val, 1);
-}
-
-static inline int zl10039_writereg(struct zl10039_state *state,
- const enum zl10039_reg_addr reg,
- const u8 val)
-{
- return zl10039_write(state, reg, &val, 1);
-}
-
-static int zl10039_init(struct dvb_frontend *fe)
-{
- struct zl10039_state *state = fe->tuner_priv;
- int ret;
-
- dprintk("%s\n", __func__);
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- /* Reset logic */
- ret = zl10039_writereg(state, GENERAL, 0x40);
- if (ret < 0) {
- dprintk("Note: i2c write error normal when resetting the "
- "tuner\n");
- }
- /* Wake up */
- ret = zl10039_writereg(state, GENERAL, 0x01);
- if (ret < 0) {
- dprintk("Tuner power up failed\n");
- return ret;
- }
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
-
- return 0;
-}
-
-static int zl10039_sleep(struct dvb_frontend *fe)
-{
- struct zl10039_state *state = fe->tuner_priv;
- int ret;
-
- dprintk("%s\n", __func__);
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- ret = zl10039_writereg(state, GENERAL, 0x80);
- if (ret < 0) {
- dprintk("Tuner sleep failed\n");
- return ret;
- }
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
-
- return 0;
-}
-
-static int zl10039_set_params(struct dvb_frontend *fe)
-{
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- struct zl10039_state *state = fe->tuner_priv;
- u8 buf[6];
- u8 bf;
- u32 fbw;
- u32 div;
- int ret;
-
- dprintk("%s\n", __func__);
- dprintk("Set frequency = %d, symbol rate = %d\n",
- c->frequency, c->symbol_rate);
-
- /* Assumed 10.111 MHz crystal oscillator */
- /* Cancelled num/den 80 to prevent overflow */
- div = (c->frequency * 1000) / 126387;
- fbw = (c->symbol_rate * 27) / 32000;
- /* Cancelled num/den 10 to prevent overflow */
- bf = ((fbw * 5088) / 1011100) - 1;
-
- /*PLL divider*/
- buf[0] = (div >> 8) & 0x7f;
- buf[1] = (div >> 0) & 0xff;
- /*Reference divider*/
- /* Select reference ratio of 80 */
- buf[2] = 0x1D;
- /*PLL test modes*/
- buf[3] = 0x40;
- /*RF Control register*/
- buf[4] = 0x6E; /* Bypass enable */
- /*Baseband filter cutoff */
- buf[5] = bf;
-
- /* Open i2c gate */
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- /* BR = 10, Enable filter adjustment */
- ret = zl10039_writereg(state, BASE1, 0x0A);
- if (ret < 0)
- goto error;
- /* Write new config values */
- ret = zl10039_write(state, PLL0, buf, sizeof(buf));
- if (ret < 0)
- goto error;
- /* BR = 10, Disable filter adjustment */
- ret = zl10039_writereg(state, BASE1, 0x6A);
- if (ret < 0)
- goto error;
-
- /* Close i2c gate */
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
- return 0;
-error:
- dprintk("Error setting tuner\n");
- return ret;
-}
-
-static int zl10039_release(struct dvb_frontend *fe)
-{
- struct zl10039_state *state = fe->tuner_priv;
-
- dprintk("%s\n", __func__);
- kfree(state);
- fe->tuner_priv = NULL;
- return 0;
-}
-
-static struct dvb_tuner_ops zl10039_ops = {
- .release = zl10039_release,
- .init = zl10039_init,
- .sleep = zl10039_sleep,
- .set_params = zl10039_set_params,
-};
-
-struct dvb_frontend *zl10039_attach(struct dvb_frontend *fe,
- u8 i2c_addr, struct i2c_adapter *i2c)
-{
- struct zl10039_state *state = NULL;
-
- dprintk("%s\n", __func__);
- state = kmalloc(sizeof(struct zl10039_state), GFP_KERNEL);
- if (state == NULL)
- goto error;
-
- state->i2c = i2c;
- state->i2c_addr = i2c_addr;
-
- /* Open i2c gate */
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- /* check if this is a valid tuner */
- if (zl10039_readreg(state, GENERAL, &state->id) < 0) {
- /* Close i2c gate */
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
- goto error;
- }
- /* Close i2c gate */
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
-
- state->id = state->id & 0x0f;
- switch (state->id) {
- case ID_ZL10039:
- strcpy(fe->ops.tuner_ops.info.name,
- "Zarlink ZL10039 DVB-S tuner");
- break;
- default:
- dprintk("Chip ID=%x does not match a known type\n", state->id);
- goto error;
- }
-
- memcpy(&fe->ops.tuner_ops, &zl10039_ops, sizeof(struct dvb_tuner_ops));
- fe->tuner_priv = state;
- dprintk("Tuner attached @ i2c address 0x%02x\n", i2c_addr);
- return fe;
-error:
- kfree(state);
- return NULL;
-}
-EXPORT_SYMBOL(zl10039_attach);
-
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
-MODULE_DESCRIPTION("Zarlink ZL10039 DVB-S tuner driver");
-MODULE_AUTHOR("Jan D. Louw <jd.louw@mweb.co.za>");
-MODULE_LICENSE("GPL");
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