[PATCH] dvb: frontend: tda1004x update
Hartmut Hackmann [Fri, 8 Jul 2005 00:57:40 +0000 (17:57 -0700)]
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@t-online.de>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/media/dvb/frontends/tda1004x.c
drivers/media/dvb/frontends/tda1004x.h
drivers/media/dvb/ttpci/budget-av.c
drivers/media/dvb/ttpci/budget-ci.c

index 0beb370..8428c04 100644 (file)
@@ -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 tda1004x_state *state,
                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(struct tda1004x_state *state, u8 dspVersion)
 
        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_frontend* fe)
        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_frontend* fe)
        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;
-
-       /* 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;
-               }
-       }
+       struct tda1004x_state* state = fe->demodulator_priv;
 
-       return -EINVAL;
+       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
+       }
+       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");
-
-       /* 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;
+       tda10046_init_plls(fe);
+
+       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_frontend* fe)
 
        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_frontend* fe)
 
        // 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_frontend* fe,
        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_frontend* fe)
 
        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(const struct tda1004x_config* config,
        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 c8e1d54..103d08f 100644 (file)
 #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 6e0f5d3..9e65bfd 100644 (file)
@@ -695,8 +695,12 @@ static struct tda1004x_config philips_tu1216_config = {
        .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 dce1161..075eb40 100644 (file)
@@ -838,8 +838,12 @@ static struct tda1004x_config philips_tdm1316l_config = {
        .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,
 };