From 27c685a4b09b5e391023d769cddb97e4fcb3b9e1 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Sat, 5 Jan 2008 16:50:14 -0300 Subject: V4L/DVB (7042): xc5000: Tuner analog support From Zhang: This an updated patch that adds analog support for the xc5000 tuner driver. it was tested on a Pinnacle PCTV HD 800i card (patches to follow). Patch commited as-is, cleanup to follow ... Steve. Signed-off-by: Chaogui Zhang Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/xc5000.c | 213 +++++++++++++++++++++++++++++------ drivers/media/dvb/frontends/xc5000.h | 12 +- 2 files changed, 187 insertions(+), 38 deletions(-) (limited to 'drivers/media/dvb') diff --git a/drivers/media/dvb/frontends/xc5000.c b/drivers/media/dvb/frontends/xc5000.c index a036530ee4b..28048d5307a 100644 --- a/drivers/media/dvb/frontends/xc5000.c +++ b/drivers/media/dvb/frontends/xc5000.c @@ -22,6 +22,7 @@ #include #include +#include #include #include #include @@ -56,6 +57,10 @@ MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); #define XC_RESULT_I2C_READ_FAILURE 3 #define XC_RESULT_OUT_OF_RANGE 5 +/* Product id */ +#define XC_PRODUCT_ID_FW_NOT_LOADED 0x2000 +#define XC_PRODUCT_ID_FW_LOADED 0x1388 + /* Registers */ #define XREG_INIT 0x00 #define XREG_VIDEO_MODE 0x01 @@ -122,7 +127,29 @@ typedef struct { } XC_TV_STANDARD; /* Tuner standards */ -#define DTV6 17 +#define MN_NTSC_PAL_BTSC 0 +#define MN_NTSC_PAL_A2 1 +#define MN_NTSC_PAL_EIAJ 2 +#define MN_NTSC_PAL_Mono 3 +#define BG_PAL_A2 4 +#define BG_PAL_NICAM 5 +#define BG_PAL_MONO 6 +#define I_PAL_NICAM 7 +#define I_PAL_NICAM_MONO 8 +#define DK_PAL_A2 9 +#define DK_PAL_NICAM 10 +#define DK_PAL_MONO 11 +#define DK_SECAM_A2DK1 12 +#define DK_SECAM_A2LDK3 13 +#define DK_SECAM_A2MONO 14 +#define L_SECAM_NICAM 15 +#define LC_SECAM_NICAM 16 +#define DTV6 17 +#define DTV8 18 +#define DTV7_8 19 +#define DTV7 20 +#define FM_Radio_INPUT2 21 +#define FM_Radio_INPUT1 22 XC_TV_STANDARD XC5000_Standard[MAX_TV_STANDARD] = { {"M/N-NTSC/PAL-BTSC", 0x0400, 0x8020}, @@ -184,12 +211,13 @@ static void xc5000_TunerReset(struct dvb_frontend *fe) dprintk(1, "%s()\n", __FUNCTION__); - if (priv->cfg->tuner_reset) { - ret = priv->cfg->tuner_reset(fe); + if (priv->cfg->tuner_callback) { + ret = priv->cfg->tuner_callback(priv->cfg->video_dev, + XC5000_TUNER_RESET, 0); if (ret) printk(KERN_ERR "xc5000: reset failed\n"); } else - printk(KERN_ERR "xc5000: no tuner reset function, fatal\n"); + printk(KERN_ERR "xc5000: no tuner reset callback function, fatal\n"); } static int xc_write_reg(struct xc5000_priv *priv, u16 regAddr, u16 i2cData) @@ -259,7 +287,6 @@ static int xc_load_i2c_sequence(struct dvb_frontend *fe, u8 i2c_sequence[]) index=0; while ((i2c_sequence[index]!=0xFF) || (i2c_sequence[index+1]!=0xFF)) { - len = i2c_sequence[index]* 256 + i2c_sequence[index+1]; if (len == 0x0000) { /* RESET command */ @@ -311,7 +338,7 @@ static int xc_SetTVStandard(struct xc5000_priv *priv, u16 VideoMode, u16 AudioMode) { int ret; - dprintk(1, "%s(%d,%d)\n", __FUNCTION__, VideoMode, AudioMode); + dprintk(1, "%s(0x%04x,0x%04x)\n", __FUNCTION__, VideoMode, AudioMode); dprintk(1, "%s() Standard = %s\n", __FUNCTION__, XC5000_Standard[priv->video_standard].Name); @@ -325,7 +352,11 @@ static int xc_SetTVStandard(struct xc5000_priv *priv, static int xc_shutdown(struct xc5000_priv *priv) { - return xc_write_reg(priv, XREG_POWER_DOWN, 0); + return 0; + /* Fixme: cannot bring tuner back alive once shutdown + * without reloading the driver modules. + * return xc_write_reg(priv, XREG_POWER_DOWN, 0); + */ } static int xc_SetSignalSource(struct xc5000_priv *priv, u16 rf_mode) @@ -349,7 +380,7 @@ static int xc_set_RF_frequency(struct xc5000_priv *priv, u32 freq_hz) { u16 freq_code; - dprintk(1, "%s(%d)\n", __FUNCTION__, freq_hz); + dprintk(1, "%s(%u)\n", __FUNCTION__, freq_hz); if ((freq_hz > xc5000_tuner_ops.info.frequency_max) || (freq_hz < xc5000_tuner_ops.info.frequency_min)) @@ -457,7 +488,7 @@ static int xc_tune_channel(struct xc5000_priv *priv, u32 freq_hz) { int found = 0; - dprintk(1, "%s(%d)\n", __FUNCTION__, freq_hz); + dprintk(1, "%s(%u)\n", __FUNCTION__, freq_hz); if (xc_set_RF_frequency(priv, freq_hz) != XC_RESULT_SUCCESS) return 0; @@ -480,7 +511,7 @@ static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val) }; if (i2c_transfer(priv->i2c, msg, 2) != 2) { - printk(KERN_WARNING "xc5000 I2C read failed\n"); + printk(KERN_WARNING "xc5000: I2C read failed\n"); return -EREMOTEIO; } @@ -494,7 +525,7 @@ static int xc5000_writeregs(struct xc5000_priv *priv, u8 *buf, u8 len) .flags = 0, .buf = buf, .len = len }; if (i2c_transfer(priv->i2c, &msg, 1) != 1) { - printk(KERN_ERR "xc5000 I2C write failed (len=%i)\n", + printk(KERN_ERR "xc5000: I2C write failed (len=%i)\n", (int)len); return -EREMOTEIO; } @@ -519,16 +550,11 @@ static int xc5000_fwupload(struct dvb_frontend* fe) const struct firmware *fw; int ret; - if (!priv->cfg->request_firmware) { - printk(KERN_ERR "xc5000: no firmware callback, fatal\n"); - return -EIO; - } - /* request the firmware, this will block and timeout */ printk(KERN_INFO "xc5000: waiting for firmware upload (%s)...\n", XC5000_DEFAULT_FIRMWARE); - ret = priv->cfg->request_firmware(fe, &fw, XC5000_DEFAULT_FIRMWARE); + ret = request_firmware(&fw, XC5000_DEFAULT_FIRMWARE, &priv->i2c->dev); if (ret) { printk(KERN_ERR "xc5000: Upload failed. (file not found?)\n"); ret = XC_RESULT_RESET_FAILURE; @@ -601,7 +627,6 @@ static int xc5000_set_params(struct dvb_frontend *fe, dprintk(1, "%s() frequency=%d (Hz)\n", __FUNCTION__, params->frequency); - switch(params->u.vsb.modulation) { case VSB_8: case VSB_16: @@ -658,6 +683,93 @@ static int xc5000_set_params(struct dvb_frontend *fe, return 0; } +static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe); + +static int xc5000_set_analog_params(struct dvb_frontend *fe, + struct analog_parameters *params) +{ + struct xc5000_priv *priv = fe->tuner_priv; + int ret; + + if(priv->fwloaded == 0) + xc_load_fw_and_init_tuner(fe); + + dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n", + __FUNCTION__, params->frequency); + + priv->rf_mode = XC_RF_MODE_CABLE; /* Fix me: it could be air. */ + + /* params->frequency is in units of 62.5khz */ + priv->freq_hz = params->frequency * 62500; + + /* FIX ME: Some video standards may have several possible audio + standards. We simply default to one of them here. + */ + if(params->std & V4L2_STD_MN) { + /* default to BTSC audio standard */ + priv->video_standard = MN_NTSC_PAL_BTSC; + goto tune_channel; + } + + if(params->std & V4L2_STD_PAL_BG) { + /* default to NICAM audio standard */ + priv->video_standard = BG_PAL_NICAM; + goto tune_channel; + } + + if(params->std & V4L2_STD_PAL_I) { + /* default to NICAM audio standard */ + priv->video_standard = I_PAL_NICAM; + goto tune_channel; + } + + if(params->std & V4L2_STD_PAL_DK) { + /* default to NICAM audio standard */ + priv->video_standard = DK_PAL_NICAM; + goto tune_channel; + } + + if(params->std & V4L2_STD_SECAM_DK) { + /* default to A2 DK1 audio standard */ + priv->video_standard = DK_SECAM_A2DK1; + goto tune_channel; + } + + if(params->std & V4L2_STD_SECAM_L) { + priv->video_standard = L_SECAM_NICAM; + goto tune_channel; + } + + if(params->std & V4L2_STD_SECAM_LC) { + priv->video_standard = LC_SECAM_NICAM; + goto tune_channel; + } + +tune_channel: + ret = xc_SetSignalSource(priv, priv->rf_mode); + if (ret != XC_RESULT_SUCCESS) { + printk(KERN_ERR + "xc5000: xc_SetSignalSource(%d) failed\n", + priv->rf_mode); + return -EREMOTEIO; + } + + ret = xc_SetTVStandard(priv, + XC5000_Standard[priv->video_standard].VideoMode, + XC5000_Standard[priv->video_standard].AudioMode); + if (ret != XC_RESULT_SUCCESS) { + printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n"); + return -EREMOTEIO; + } + + xc_tune_channel(priv, priv->freq_hz); + + if (debug) + xc_debug_dump(priv); + + return 0; +} + static int xc5000_get_frequency(struct dvb_frontend *fe, u32 *freq) { struct xc5000_priv *priv = fe->tuner_priv; @@ -670,6 +782,7 @@ static int xc5000_get_bandwidth(struct dvb_frontend *fe, u32 *bw) { struct xc5000_priv *priv = fe->tuner_priv; dprintk(1, "%s()\n", __FUNCTION__); + *bw = priv->bandwidth; return 0; } @@ -691,13 +804,12 @@ static int xc5000_get_status(struct dvb_frontend *fe, u32 *status) static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe) { struct xc5000_priv *priv = fe->tuner_priv; - int ret; + int ret = 0; if (priv->fwloaded == 0) { ret = xc5000_fwupload(fe); if (ret != XC_RESULT_SUCCESS) return ret; - priv->fwloaded = 1; } @@ -720,9 +832,27 @@ static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe) static int xc5000_sleep(struct dvb_frontend *fe) { struct xc5000_priv *priv = fe->tuner_priv; + int ret; + dprintk(1, "%s()\n", __FUNCTION__); - return xc_shutdown(priv); + /* On Pinnacle PCTV HD 800i, the tuner cannot be reinitialized + * once shutdown without reloading the driver. Maybe I am not + * doing something right. + * + */ + + ret = xc_shutdown(priv); + if(ret != XC_RESULT_SUCCESS) { + printk(KERN_ERR + "xc5000: %s() unable to shutdown tuner\n", + __FUNCTION__); + return -EREMOTEIO; + } + else { + /* priv->fwloaded = 0; */ + return XC_RESULT_SUCCESS; + } } static int xc5000_init(struct dvb_frontend *fe) @@ -757,14 +887,15 @@ static const struct dvb_tuner_ops xc5000_tuner_ops = { .frequency_step = 50000, }, - .release = xc5000_release, - .init = xc5000_init, - .sleep = xc5000_sleep, + .release = xc5000_release, + .init = xc5000_init, + .sleep = xc5000_sleep, - .set_params = xc5000_set_params, - .get_frequency = xc5000_get_frequency, - .get_bandwidth = xc5000_get_bandwidth, - .get_status = xc5000_get_status + .set_params = xc5000_set_params, + .set_analog_params = xc5000_set_analog_params, + .get_frequency = xc5000_get_frequency, + .get_bandwidth = xc5000_get_bandwidth, + .get_status = xc5000_get_status }; struct dvb_frontend * xc5000_attach(struct dvb_frontend *fe, @@ -783,14 +914,33 @@ struct dvb_frontend * xc5000_attach(struct dvb_frontend *fe, priv->cfg = cfg; priv->bandwidth = BANDWIDTH_6_MHZ; priv->i2c = i2c; - priv->fwloaded = 0; + /* Check if firmware has been loaded. It is possible that another + instance of the driver has loaded the firmware. + */ if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != 0) { kfree(priv); return NULL; } - if ((id != 0x2000) && (id != 0x1388)) { + switch(id) { + case XC_PRODUCT_ID_FW_LOADED: + printk(KERN_INFO + "xc5000: Successfully identified at address 0x%02x\n", + cfg->i2c_address); + printk(KERN_INFO + "xc5000: Firmware has been loaded previously\n"); + priv->fwloaded = 1; + break; + case XC_PRODUCT_ID_FW_NOT_LOADED: + printk(KERN_INFO + "xc5000: Successfully identified at address 0x%02x\n", + cfg->i2c_address); + printk(KERN_INFO + "xc5000: Firmware has not been loaded previously\n"); + priv->fwloaded = 0; + break; + default: printk(KERN_ERR "xc5000: Device not found at addr 0x%02x (0x%x)\n", cfg->i2c_address, id); @@ -798,9 +948,6 @@ struct dvb_frontend * xc5000_attach(struct dvb_frontend *fe, return NULL; } - printk(KERN_INFO "xc5000: successfully identified at address 0x%02x\n", - cfg->i2c_address); - memcpy(&fe->ops.tuner_ops, &xc5000_tuner_ops, sizeof(struct dvb_tuner_ops)); diff --git a/drivers/media/dvb/frontends/xc5000.h b/drivers/media/dvb/frontends/xc5000.h index 941b3194813..85b2d438fa4 100644 --- a/drivers/media/dvb/frontends/xc5000.h +++ b/drivers/media/dvb/frontends/xc5000.h @@ -28,13 +28,15 @@ struct dvb_frontend; struct i2c_adapter; struct xc5000_config { - u8 i2c_address; - u32 if_khz; - int (*request_firmware)(struct dvb_frontend *fe, - const struct firmware **fw, char *name); - int (*tuner_reset)(struct dvb_frontend* fe); + u8 i2c_address; + u32 if_khz; + void *video_dev; + int (*tuner_callback) (void *dev, int command, int arg); }; +/* xc5000 callback command */ +#define XC5000_TUNER_RESET 0 + #if defined(CONFIG_DVB_TUNER_XC5000) || defined(CONFIG_DVB_TUNER_XC5000_MODULE) extern struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, -- cgit v1.2.3