summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/media/common/tuners/xc5000.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index cd92b9e1ccdd..b488c0e1bcd7 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -63,6 +63,8 @@ struct xc5000_priv {
int chip_id;
u16 pll_register_no;
+ u8 init_status_supported;
+ u8 fw_checksum_supported;
};
/* Misc Defines */
@@ -113,6 +115,8 @@ struct xc5000_priv {
#define XREG_BUSY 0x09
#define XREG_BUILD 0x0D
#define XREG_TOTALGAIN 0x0F
+#define XREG_FW_CHECKSUM 0x12
+#define XREG_INIT_STATUS 0x13
/*
Basic firmware description. This will remain with
@@ -211,6 +215,8 @@ struct xc5000_fw_cfg {
char *name;
u16 size;
u16 pll_reg;
+ u8 init_status_supported;
+ u8 fw_checksum_supported;
};
#define XC5000A_FIRMWARE "dvb-fe-xc5000-1.6.114.fw"
@@ -225,6 +231,8 @@ static const struct xc5000_fw_cfg xc5000c_41_024_5 = {
.name = XC5000C_FIRMWARE,
.size = 16497,
.pll_reg = 0x13,
+ .init_status_supported = 1,
+ .fw_checksum_supported = 1,
};
static inline const struct xc5000_fw_cfg *xc5000_assign_firmware(int chip_id)
@@ -624,6 +632,8 @@ static int xc5000_fwupload(struct dvb_frontend *fe)
const struct xc5000_fw_cfg *desired_fw =
xc5000_assign_firmware(priv->chip_id);
priv->pll_register_no = desired_fw->pll_reg;
+ priv->init_status_supported = desired_fw->init_status_supported;
+ priv->fw_checksum_supported = desired_fw->fw_checksum_supported;
/* request the firmware, this will block and timeout */
printk(KERN_INFO "xc5000: waiting for firmware upload (%s)...\n",
@@ -1090,6 +1100,7 @@ static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe, int force)
struct xc5000_priv *priv = fe->tuner_priv;
int ret = XC_RESULT_SUCCESS;
u16 pll_lock_status;
+ u16 fw_ck;
if (force || xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) {
@@ -1101,6 +1112,21 @@ fw_retry:
msleep(20);
+ if (priv->fw_checksum_supported) {
+ if (xc5000_readreg(priv, XREG_FW_CHECKSUM, &fw_ck)
+ != XC_RESULT_SUCCESS) {
+ dprintk(1, "%s() FW checksum reading failed.\n",
+ __func__);
+ goto fw_retry;
+ }
+
+ if (fw_ck == 0) {
+ dprintk(1, "%s() FW checksum failed = 0x%04x\n",
+ __func__, fw_ck);
+ goto fw_retry;
+ }
+ }
+
/* Start the tuner self-calibration process */
ret |= xc_initialize(priv);
@@ -1114,6 +1140,19 @@ fw_retry:
*/
xc_wait(100);
+ if (priv->init_status_supported) {
+ if (xc5000_readreg(priv, XREG_INIT_STATUS, &fw_ck) != XC_RESULT_SUCCESS) {
+ dprintk(1, "%s() FW failed reading init status.\n",
+ __func__);
+ goto fw_retry;
+ }
+
+ if (fw_ck == 0) {
+ dprintk(1, "%s() FW init status failed = 0x%04x\n", __func__, fw_ck);
+ goto fw_retry;
+ }
+ }
+
if (priv->pll_register_no) {
xc5000_readreg(priv, priv->pll_register_no,
&pll_lock_status);