[DVB patch 08/51] frontend: tda1004x update

From: Johannes Stezenbach
Date: Mon Jun 27 2005 - 09:13:51 EST

From: Hartmut Hackmann <hartmut.hackmann@xxxxxxxxxxx>

o added config options for IF frequency and AGC
o support DSP boot from on board eeprom
o added pll sleep call

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@xxxxxxxxxxx>
Signed-off-by: Johannes Stezenbach <js@xxxxxxxxxxx>

drivers/media/dvb/frontends/tda1004x.c | 189 ++++++++++++++++-----------------
drivers/media/dvb/frontends/tda1004x.h | 27 ++++
drivers/media/dvb/ttpci/budget-av.c | 4
drivers/media/dvb/ttpci/budget-ci.c | 4
4 files changed, 128 insertions(+), 96 deletions(-)

Index: linux-2.6.12-git8/drivers/media/dvb/frontends/tda1004x.c
===================================================================
--- linux-2.6.12-git8.orig/drivers/media/dvb/frontends/tda1004x.c 2005-06-17 21:48:29.000000000 +0200
+++ linux-2.6.12-git8/drivers/media/dvb/frontends/tda1004x.c 2005-06-27 13:23:02.000000000 +0200
@@ -49,10 +49,8 @@ struct tda1004x_state {
/* private demod data */
u8 initialised;
enum tda1004x_demod demod_type;
- u8 fw_version;
};

-
static int debug;
#define dprintk(args...) \
do { \
@@ -315,20 +313,35 @@ static int tda1004x_do_upload(struct tda
memcpy(buf + 1, mem + pos, tx_size);
fw_msg.len = tx_size + 1;
if (i2c_transfer(state->i2c, &fw_msg, 1) != 1) {
- printk("tda1004x: Error during firmware upload\n");
+ printk(KERN_ERR "tda1004x: Error during firmware upload\n");
return -EIO;
}
pos += tx_size;

dprintk("%s: fw_pos=0x%x\n", __FUNCTION__, pos);
}
+ // give the DSP a chance to settle 03/10/05 Hac
+ msleep(100);

return 0;
}

-static int tda1004x_check_upload_ok(struct tda1004x_state *state, u8 dspVersion)
+static int tda1004x_check_upload_ok(struct tda1004x_state *state)
{
u8 data1, data2;
+ unsigned long timeout;
+
+ if (state->demod_type == TDA1004X_DEMOD_TDA10046) {
+ timeout = jiffies + 2 * HZ;
+ while(!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) {
+ if (time_after(jiffies, timeout)) {
+ printk(KERN_ERR "tda1004x: timeout waiting for DSP ready\n");
+ break;
+ }
+ msleep(1);
+ }
+ } else
+ msleep(100);

// check upload was OK
tda1004x_write_mask(state, TDA1004X_CONFC4, 0x10, 0); // we want to read from the DSP
@@ -336,9 +349,11 @@ static int tda1004x_check_upload_ok(stru

data1 = tda1004x_read_byte(state, TDA1004X_DSP_DATA1);
data2 = tda1004x_read_byte(state, TDA1004X_DSP_DATA2);
- if ((data1 != 0x67) || (data2 != dspVersion))
+ if (data1 != 0x67 || data2 < 0x20 || data2 > 0x2a) {
+ printk(KERN_INFO "tda1004x: found firmware revision %x -- invalid\n", data2);
return -EIO;
-
+ }
+ printk(KERN_INFO "tda1004x: found firmware revision %x -- ok\n", data2);
return 0;
}

@@ -349,14 +364,14 @@ static int tda10045_fwupload(struct dvb_
const struct firmware *fw;

/* don't re-upload unless necessary */
- if (tda1004x_check_upload_ok(state, 0x2c) == 0)
+ if (tda1004x_check_upload_ok(state) == 0)
return 0;

/* request the firmware, this will block until someone uploads it */
- printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10045_DEFAULT_FIRMWARE);
+ printk(KERN_INFO "tda1004x: waiting for firmware upload (%s)...\n", TDA10045_DEFAULT_FIRMWARE);
ret = state->config->request_firmware(fe, &fw, TDA10045_DEFAULT_FIRMWARE);
if (ret) {
- printk("tda1004x: no firmware upload (timeout or file not found?)\n");
+ printk(KERN_ERR "tda1004x: no firmware upload (timeout or file not found?)\n");
return ret;
}

@@ -372,93 +387,81 @@ static int tda10045_fwupload(struct dvb_
ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10045H_FWPAGE, TDA10045H_CODE_IN);
if (ret)
return ret;
- printk("tda1004x: firmware upload complete\n");
+ printk(KERN_INFO "tda1004x: firmware upload complete\n");

/* wait for DSP to initialise */
/* DSPREADY doesn't seem to work on the TDA10045H */
msleep(100);

- return tda1004x_check_upload_ok(state, 0x2c);
+ return tda1004x_check_upload_ok(state);
}

-static int tda10046_get_fw_version(struct tda1004x_state *state,
- const struct firmware *fw)
+static void tda10046_init_plls(struct dvb_frontend* fe)
{
- const unsigned char pattern[] = { 0x67, 0x00, 0x50, 0x62, 0x5e, 0x18, 0x67 };
- unsigned int i;
+ struct tda1004x_state* state = fe->demodulator_priv;

- /* area guessed from firmware v20, v21 and v25 */
- for (i = 0x660; i < 0x700; i++) {
- if (!memcmp(&fw->data[i], pattern, sizeof(pattern))) {
- state->fw_version = fw->data[i + sizeof(pattern)];
- printk(KERN_INFO "tda1004x: using firmware v%02x\n",
- state->fw_version);
- return 0;
- }
+ tda1004x_write_byteI(state, TDA10046H_CONFPLL1, 0xf0);
+ tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); // PLL M = 10
+ if (state->config->xtal_freq == TDA10046_XTAL_4M ) {
+ dprintk("%s: setting up PLLs for a 4 MHz Xtal\n", __FUNCTION__);
+ tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 0); // PLL P = N = 0
+ } else {
+ dprintk("%s: setting up PLLs for a 16 MHz Xtal\n", __FUNCTION__);
+ tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 3); // PLL P = 0, N = 3
}
-
- return -EINVAL;
+ tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99);
+ switch (state->config->if_freq) {
+ case TDA10046_FREQ_3617:
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4);
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c);
+ break;
+ case TDA10046_FREQ_3613:
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4);
+ tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x13);
+ break;
+ }
+ tda10046h_set_bandwidth(state, BANDWIDTH_8_MHZ); // default bandwidth 8 MHz
}

static int tda10046_fwupload(struct dvb_frontend* fe)
{
struct tda1004x_state* state = fe->demodulator_priv;
- unsigned long timeout;
int ret;
const struct firmware *fw;

/* reset + wake up chip */
- tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 0);
+ tda1004x_write_byteI(state, TDA1004X_CONFC4, 0);
tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 1, 0);
- msleep(100);
+ /* let the clocks recover from sleep */
+ msleep(5);

/* don't re-upload unless necessary */
- if (tda1004x_check_upload_ok(state, state->fw_version) == 0)
+ if (tda1004x_check_upload_ok(state) == 0)
return 0;

- /* request the firmware, this will block until someone uploads it */
- printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10046_DEFAULT_FIRMWARE);
- ret = state->config->request_firmware(fe, &fw, TDA10046_DEFAULT_FIRMWARE);
- if (ret) {
- printk("tda1004x: no firmware upload (timeout or file not found?)\n");
- return ret;
- }
-
- if (fw->size < 24478) { /* size of firmware v20, which is the smallest of v20, v21 and v25 */
- printk("tda1004x: firmware file seems to be too small (%d bytes)\n", fw->size);
- return -EINVAL;
- }
-
- ret = tda10046_get_fw_version(state, fw);
- if (ret < 0) {
- printk("tda1004x: unable to find firmware version\n");
- return ret;
- }
-
/* set parameters */
- tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10);
- tda1004x_write_byteI(state, TDA10046H_CONFPLL3, state->config->n_i2c);
- tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99);
- tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4);
- tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c);
- tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8); // going to boot from HOST
-
- ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10046H_CODE_CPT, TDA10046H_CODE_IN);
- if (ret)
- return ret;
- printk("tda1004x: firmware upload complete\n");
+ tda10046_init_plls(fe);

- /* wait for DSP to initialise */
- timeout = jiffies + HZ;
- while (!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) {
- if (time_after(jiffies, timeout)) {
- printk("tda1004x: DSP failed to initialised.\n");
- return -EIO;
+ if (state->config->request_firmware != NULL) {
+ /* request the firmware, this will block until someone uploads it */
+ printk(KERN_INFO "tda1004x: waiting for firmware upload...\n");
+ ret = state->config->request_firmware(fe, &fw, TDA10046_DEFAULT_FIRMWARE);
+ if (ret) {
+ printk(KERN_ERR "tda1004x: no firmware upload (timeout or file not found?)\n");
+ return ret;
}
- msleep(1);
+ tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8); // going to boot from HOST
+ ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10046H_CODE_CPT, TDA10046H_CODE_IN);
+ if (ret)
+ return ret;
+ } else {
+ /* boot from firmware eeprom */
+ /* Hac Note: we might need to do some GPIO Magic here */
+ printk(KERN_INFO "tda1004x: booting from eeprom\n");
+ tda1004x_write_mask(state, TDA1004X_CONFC4, 4, 4);
+ msleep(300);
}
-
- return tda1004x_check_upload_ok(state, state->fw_version);
+ return tda1004x_check_upload_ok(state);
}

static int tda1004x_encode_fec(int fec)
@@ -560,12 +563,10 @@ static int tda10046_init(struct dvb_fron

if (tda10046_fwupload(fe)) {
printk("tda1004x: firmware upload failed\n");
- return -EIO;
+ return -EIO;
}

- tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 0); // wake up the chip
-
- // Init the PLL
+ // Init the tuner PLL
if (state->config->pll_init) {
tda1004x_enable_tuner_i2c(state);
state->config->pll_init(fe);
@@ -574,32 +575,34 @@ static int tda10046_init(struct dvb_fron

// tda setup
tda1004x_write_mask(state, TDA1004X_CONFC4, 0x20, 0); // disable DSP watchdog timer
- tda1004x_write_mask(state, TDA1004X_CONFC1, 0x40, 0x40);
- tda1004x_write_mask(state, TDA1004X_AUTO, 8, 0); // select HP stream
- tda1004x_write_mask(state, TDA1004X_CONFC1, 0x80, 0); // disable pulse killer
- tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); // PLL M = 10
- tda1004x_write_byteI(state, TDA10046H_CONFPLL3, state->config->n_i2c); // PLL P = N = 0
- tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99); // FREQOFFS = 99
- tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4); // } PHY2 = -11221
- tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c); // }
- tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0); // AGC setup
- tda1004x_write_mask(state, TDA10046H_CONF_POLARITY, 0x60, 0x60); // set AGC polarities
+ tda1004x_write_byteI(state, TDA1004X_AUTO, 7); // select HP stream
+ tda1004x_write_byteI(state, TDA1004X_CONFC1, 8); // disable pulse killer
+
+ tda10046_init_plls(fe);
+ switch (state->config->agc_config) {
+ case TDA10046_AGC_DEFAULT:
+ tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x00); // AGC setup
+ tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities
+ break;
+ case TDA10046_AGC_IFO_AUTO_NEG:
+ tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x0a); // AGC setup
+ tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities
+ break;
+ }
+ tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE1, 0x61); // Turn both AGC outputs on
tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MIN, 0); // }
tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MAX, 0xff); // } AGC min/max values
tda1004x_write_byteI(state, TDA10046H_AGC_IF_MIN, 0); // }
tda1004x_write_byteI(state, TDA10046H_AGC_IF_MAX, 0xff); // }
- tda1004x_write_mask(state, TDA10046H_CVBER_CTRL, 0x30, 0x10); // 10^6 VBER measurement bits
tda1004x_write_byteI(state, TDA10046H_AGC_GAINS, 1); // IF gain 2, TUN gain 1
- tda1004x_write_mask(state, TDA1004X_AUTO, 0x80, 0); // crystal is 50ppm
+ tda1004x_write_byteI(state, TDA10046H_CVBER_CTRL, 0x1a); // 10^6 VBER measurement bits
tda1004x_write_byteI(state, TDA1004X_CONF_TS1, 7); // MPEG2 interface config
- tda1004x_write_mask(state, TDA1004X_CONF_TS2, 0x31, 0); // MPEG2 interface config
- tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 0x9e, 0); // disable AGC_TUN
+ tda1004x_write_byteI(state, TDA1004X_CONF_TS2, 0xc0); // MPEG2 interface config
+ tda1004x_write_mask(state, 0x3a, 0x80, state->config->invert_oclk << 7);
+
tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE2, 0xe1); // tristate setup
tda1004x_write_byteI(state, TDA10046H_GPIO_OUT_SEL, 0xcc); // GPIO output config
- tda1004x_write_mask(state, TDA10046H_GPIO_SELECT, 8, 8); // GPIO select
- tda10046h_set_bandwidth(state, BANDWIDTH_8_MHZ); // default bandwidth 8 MHz
-
- tda1004x_write_mask(state, 0x3a, 0x80, state->config->invert_oclk << 7);
+ tda1004x_write_byteI(state, TDA10046H_GPIO_SELECT, 8); // GPIO select

state->initialised = 1;
return 0;
@@ -629,9 +632,6 @@ static int tda1004x_set_fe(struct dvb_fr
state->config->pll_set(fe, fe_params);
tda1004x_disable_tuner_i2c(state);

- if (state->demod_type == TDA1004X_DEMOD_TDA10046)
- tda1004x_write_mask(state, TDA10046H_AGC_CONF, 4, 4);
-
// Hardcoded to use auto as much as possible on the TDA10045 as it
// is very unreliable if AUTO mode is _not_ used.
if (state->demod_type == TDA1004X_DEMOD_TDA10045) {
@@ -1090,6 +1090,8 @@ static int tda1004x_sleep(struct dvb_fro

case TDA1004X_DEMOD_TDA10046:
tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1);
+ if (state->config->pll_sleep != NULL)
+ state->config->pll_sleep(fe);
break;
}
state->initialised = 0;
@@ -1216,7 +1218,6 @@ struct dvb_frontend* tda10046_attach(con
memcpy(&state->ops, &tda10046_ops, sizeof(struct dvb_frontend_ops));
state->initialised = 0;
state->demod_type = TDA1004X_DEMOD_TDA10046;
- state->fw_version = 0x20; /* dummy default value */

/* check if the demod is there */
if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x46) {
Index: linux-2.6.12-git8/drivers/media/dvb/frontends/tda1004x.h
===================================================================
--- linux-2.6.12-git8.orig/drivers/media/dvb/frontends/tda1004x.h 2005-06-17 21:48:29.000000000 +0200
+++ linux-2.6.12-git8/drivers/media/dvb/frontends/tda1004x.h 2005-06-27 13:23:02.000000000 +0200
@@ -26,6 +26,21 @@
#include <linux/dvb/frontend.h>
#include <linux/firmware.h>

+enum tda10046_xtal {
+ TDA10046_XTAL_4M,
+ TDA10046_XTAL_16M,
+};
+
+enum tda10046_agc {
+ TDA10046_AGC_DEFAULT, /* original configuration */
+ TDA10046_AGC_IFO_AUTO_NEG, /* IF AGC only, automatic, negtive */
+};
+
+enum tda10046_if {
+ TDA10046_FREQ_3617, /* original config, 36,166 MHZ */
+ TDA10046_FREQ_3613, /* 36,13 MHZ */
+};
+
struct tda1004x_config
{
/* the demodulator's i2c address */
@@ -37,14 +52,22 @@ struct tda1004x_config
/* Does the OCLK signal need inverted? */
u8 invert_oclk;

- /* value of N_I2C of the CONF_PLL3 register */
- u8 n_i2c;
+ /* Xtal frequency, 4 or 16MHz*/
+ enum tda10046_xtal xtal_freq;
+
+ /* IF frequency */
+ enum tda10046_if if_freq;
+
+ /* AGC configuration */
+ enum tda10046_agc agc_config;

/* PLL maintenance */
int (*pll_init)(struct dvb_frontend* fe);
+ void (*pll_sleep)(struct dvb_frontend* fe);
int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);

/* request firmware for device */
+ /* set this to NULL if the card has a firmware EEPROM */
int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
};

Index: linux-2.6.12-git8/drivers/media/dvb/ttpci/budget-av.c
===================================================================
--- linux-2.6.12-git8.orig/drivers/media/dvb/ttpci/budget-av.c 2005-06-17 21:48:29.000000000 +0200
+++ linux-2.6.12-git8/drivers/media/dvb/ttpci/budget-av.c 2005-06-27 13:23:02.000000000 +0200
@@ -695,8 +695,12 @@ static struct tda1004x_config philips_tu
.demod_address = 0x8,
.invert = 1,
.invert_oclk = 1,
+ .xtal_freq = TDA10046_XTAL_4M,
+ .agc_config = TDA10046_AGC_DEFAULT,
+ .if_freq = TDA10046_FREQ_3617,
.pll_init = philips_tu1216_pll_init,
.pll_set = philips_tu1216_pll_set,
+ .pll_sleep = NULL,
.request_firmware = philips_tu1216_request_firmware,
};

Index: linux-2.6.12-git8/drivers/media/dvb/ttpci/budget-ci.c
===================================================================
--- linux-2.6.12-git8.orig/drivers/media/dvb/ttpci/budget-ci.c 2005-06-17 21:48:29.000000000 +0200
+++ linux-2.6.12-git8/drivers/media/dvb/ttpci/budget-ci.c 2005-06-27 13:23:02.000000000 +0200
@@ -838,8 +838,12 @@ static struct tda1004x_config philips_td
.demod_address = 0x8,
.invert = 0,
.invert_oclk = 0,
+ .xtal_freq = TDA10046_XTAL_4M,
+ .agc_config = TDA10046_AGC_DEFAULT,
+ .if_freq = TDA10046_FREQ_3617,
.pll_init = philips_tdm1316l_pll_init,
.pll_set = philips_tdm1316l_pll_set,
+ .pll_sleep = NULL,
.request_firmware = philips_tdm1316l_request_firmware,
};


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