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https://github.com/edk2-porting/linux-next.git
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[media] xc4000: code cleanup
This is the first of a set of patches that update the original xc4000 sources to my modified version. It removes some unused code, and makes a few minor formatting changes. [mchehab@redhat.com: re-add XC_TUNE_ANALOG/XC_TUNE_DIGITAL constants, to avoid compilation breakage] Signed-off-by: Istvan Varga <istvan_v@mailbox.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Istvan Varga
Mauro Carvalho Chehab
parent
e3bb7c607f
commit
fbe4a29f2f
@ -55,8 +55,6 @@ static LIST_HEAD(hybrid_tuner_instance_list);
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/* Note that the last version digit is my internal build number (so I can
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rev the firmware even if the core Xceive firmware was unchanged) */
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#define XC4000_DEFAULT_FIRMWARE "dvb-fe-xc4000-1.4.1.fw"
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#define XC4000_DEFAULT_FIRMWARE_SIZE 18643
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/* struct for storing firmware table */
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struct firmware_description {
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@ -80,18 +78,18 @@ struct xc4000_priv {
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struct tuner_i2c_props i2c_props;
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struct list_head hybrid_tuner_instance_list;
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struct firmware_description *firm;
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int firm_size;
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__u16 firm_version;
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u32 if_khz;
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u32 freq_hz;
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u32 bandwidth;
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u8 video_standard;
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u8 rf_mode;
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// struct xc2028_ctrl ctrl;
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int firm_size;
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__u16 firm_version;
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u32 if_khz;
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u32 freq_hz;
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u32 bandwidth;
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u8 video_standard;
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u8 rf_mode;
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u8 ignore_i2c_write_errors;
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/* struct xc2028_ctrl ctrl; */
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struct firmware_properties cur_fw;
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__u16 hwmodel;
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__u16 hwvers;
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u8 ignore_i2c_write_errors;
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__u16 hwmodel;
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__u16 hwvers;
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};
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/* Misc Defines */
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@ -167,12 +165,12 @@ struct xc4000_priv {
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For the RESET and WAIT commands, the two following bytes will contain
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immediately the length of the following transaction.
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*/
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struct XC_TV_STANDARD {
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char *Name;
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u16 AudioMode;
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u16 VideoMode;
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const char *Name;
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u16 AudioMode;
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u16 VideoMode;
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};
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/* Tuner standards */
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@ -200,33 +198,6 @@ struct XC_TV_STANDARD {
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#define XC4000_FM_Radio_INPUT2 21
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#define XC4000_FM_Radio_INPUT1 22
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/* WAS :
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static struct XC_TV_STANDARD XC4000_Standard[MAX_TV_STANDARD] = {
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{"M/N-NTSC/PAL-BTSC", 0x0400, 0x8020},
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{"M/N-NTSC/PAL-A2", 0x0600, 0x8020},
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{"M/N-NTSC/PAL-EIAJ", 0x0440, 0x8020},
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{"M/N-NTSC/PAL-Mono", 0x0478, 0x8020},
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{"B/G-PAL-A2", 0x0A00, 0x8049},
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{"B/G-PAL-NICAM", 0x0C04, 0x8049},
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{"B/G-PAL-MONO", 0x0878, 0x8059},
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{"I-PAL-NICAM", 0x1080, 0x8009},
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{"I-PAL-NICAM-MONO", 0x0E78, 0x8009},
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{"D/K-PAL-A2", 0x1600, 0x8009},
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{"D/K-PAL-NICAM", 0x0E80, 0x8009},
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{"D/K-PAL-MONO", 0x1478, 0x8009},
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{"D/K-SECAM-A2 DK1", 0x1200, 0x8009},
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{"D/K-SECAM-A2 L/DK3", 0x0E00, 0x8009},
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{"D/K-SECAM-A2 MONO", 0x1478, 0x8009},
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{"L-SECAM-NICAM", 0x8E82, 0x0009},
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{"L'-SECAM-NICAM", 0x8E82, 0x4009},
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{"DTV6", 0x00C0, 0x8002},
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{"DTV8", 0x00C0, 0x800B},
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{"DTV7/8", 0x00C0, 0x801B},
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{"DTV7", 0x00C0, 0x8007},
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{"FM Radio-INPUT2", 0x9802, 0x9002},
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{"FM Radio-INPUT1", 0x0208, 0x9002}
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};*/
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static struct XC_TV_STANDARD XC4000_Standard[MAX_TV_STANDARD] = {
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{"M/N-NTSC/PAL-BTSC", 0x0000, 0x8020},
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{"M/N-NTSC/PAL-A2", 0x0000, 0x8020},
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@ -253,7 +224,6 @@ static struct XC_TV_STANDARD XC4000_Standard[MAX_TV_STANDARD] = {
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{"FM Radio-INPUT1", 0x0008, 0x9000}
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};
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static int xc4000_is_firmware_loaded(struct dvb_frontend *fe);
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static int xc4000_readreg(struct xc4000_priv *priv, u16 reg, u16 *val);
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static int xc4000_TunerReset(struct dvb_frontend *fe);
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@ -275,10 +245,6 @@ static int xc_send_i2c_data(struct xc4000_priv *priv, u8 *buf, int len)
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return XC_RESULT_SUCCESS;
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}
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/* This routine is never used because the only time we read data from the
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i2c bus is when we read registers, and we want that to be an atomic i2c
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transaction in case we are on a multi-master bus */
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static void xc_wait(int wait_ms)
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{
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msleep(wait_ms);
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@ -431,7 +397,6 @@ static int xc_set_RF_frequency(struct xc4000_priv *priv, u32 freq_hz)
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return xc_write_reg(priv, XREG_RF_FREQ, freq_code); /* WAS: XREG_FINERFREQ */
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}
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static int xc_get_ADC_Envelope(struct xc4000_priv *priv, u16 *adc_envelope)
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{
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return xc4000_readreg(priv, XREG_ADC_ENV, adc_envelope);
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@ -476,12 +441,6 @@ static int xc_get_version(struct xc4000_priv *priv,
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return 0;
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}
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/* WAS THERE
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static int xc_get_buildversion(struct xc4000_priv *priv, u16 *buildrev)
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{
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return xc4000_readreg(priv, XREG_BUILD, buildrev);
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}*/
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static int xc_get_hsync_freq(struct xc4000_priv *priv, u32 *hsync_freq_hz)
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{
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u16 regData;
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@ -524,8 +483,8 @@ static u16 WaitForLock(struct xc4000_priv *priv)
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#define XC_TUNE_DIGITAL 1
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static int xc_tune_channel(struct xc4000_priv *priv, u32 freq_hz, int mode)
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{
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int found = 0;
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int result = 0;
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int found = 0;
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int result = 0;
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dprintk(1, "%s(%u)\n", __func__, freq_hz);
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@ -694,7 +653,6 @@ static int seek_firmware(struct dvb_frontend *fe, unsigned int type,
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if (best_nr_matches > 0) {
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printk("Selecting best matching firmware (%d bits) for "
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"type=", best_nr_matches);
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// dump_firm_type(type);
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printk("(%x), id %016llx:\n", type, (unsigned long long)*id);
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i = best_i;
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goto found;
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@ -749,7 +707,7 @@ static int xc4000_fwupload(struct dvb_frontend *fe)
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int rc = 0;
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int n, n_array;
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char name[33];
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char *fname;
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const char *fname;
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fname = XC4000_DEFAULT_FIRMWARE;
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@ -770,7 +728,7 @@ static int xc4000_fwupload(struct dvb_frontend *fe)
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if (fw->size < sizeof(name) - 1 + 2 + 2) {
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printk("Error: firmware file %s has invalid size!\n",
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fname);
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fname);
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goto corrupt;
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}
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@ -805,7 +763,7 @@ static int xc4000_fwupload(struct dvb_frontend *fe)
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n++;
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if (n >= n_array) {
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printk("More firmware images in file than "
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"were expected!\n");
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"were expected!\n");
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goto corrupt;
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}
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@ -831,7 +789,6 @@ static int xc4000_fwupload(struct dvb_frontend *fe)
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if (!size || size > endp - p) {
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printk("Firmware type ");
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// dump_firm_type(type);
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printk("(%x), id %llx is corrupted "
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"(size=%d, expected %d)\n",
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type, (unsigned long long)id,
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@ -877,7 +834,6 @@ corrupt:
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err:
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printk("Releasing partially loaded firmware file.\n");
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// free_firmware(priv);
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done:
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release_firmware(fw);
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@ -986,8 +942,7 @@ retry:
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new_fw.type = type;
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new_fw.id = std;
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new_fw.std_req = std;
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// new_fw.scode_table = SCODE | priv->ctrl.scode_table;
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new_fw.scode_table = SCODE;
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new_fw.scode_table = SCODE /* | priv->ctrl.scode_table */;
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new_fw.scode_nr = 0;
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new_fw.int_freq = int_freq;
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@ -1108,7 +1063,7 @@ check_device:
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} else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel ||
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priv->hwvers != (version & 0xff00)) {
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printk("Read invalid device hardware information - tuner "
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"hung?\n");
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"hung?\n");
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goto fail;
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}
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@ -1140,15 +1095,14 @@ fail:
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static void xc_debug_dump(struct xc4000_priv *priv)
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{
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u16 adc_envelope;
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u32 freq_error_hz = 0;
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u16 lock_status;
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u32 hsync_freq_hz = 0;
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u16 frame_lines;
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u16 quality;
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u8 hw_majorversion = 0, hw_minorversion = 0;
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u8 fw_majorversion = 0, fw_minorversion = 0;
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// u16 fw_buildversion = 0;
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u16 adc_envelope;
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u32 freq_error_hz = 0;
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u16 lock_status;
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u32 hsync_freq_hz = 0;
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u16 frame_lines;
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u16 quality;
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u8 hw_majorversion = 0, hw_minorversion = 0;
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u8 fw_majorversion = 0, fw_minorversion = 0;
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/* Wait for stats to stabilize.
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* Frame Lines needs two frame times after initial lock
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@ -1156,35 +1110,30 @@ static void xc_debug_dump(struct xc4000_priv *priv)
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*/
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xc_wait(100);
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xc_get_ADC_Envelope(priv, &adc_envelope);
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xc_get_ADC_Envelope(priv, &adc_envelope);
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dprintk(1, "*** ADC envelope (0-1023) = %d\n", adc_envelope);
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xc_get_frequency_error(priv, &freq_error_hz);
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dprintk(1, "*** Frequency error = %d Hz\n", freq_error_hz);
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xc_get_lock_status(priv, &lock_status);
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xc_get_lock_status(priv, &lock_status);
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dprintk(1, "*** Lock status (0-Wait, 1-Locked, 2-No-signal) = %d\n",
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lock_status);
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xc_get_version(priv, &hw_majorversion, &hw_minorversion,
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&fw_majorversion, &fw_minorversion);
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// WAS:
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// xc_get_buildversion(priv, &fw_buildversion);
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// dprintk(1, "*** HW: V%02x.%02x, FW: V%02x.%02x.%04x\n",
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// hw_majorversion, hw_minorversion,
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// fw_majorversion, fw_minorversion, fw_buildversion);
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// NOW:
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xc_get_version(priv, &hw_majorversion, &hw_minorversion,
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&fw_majorversion, &fw_minorversion);
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dprintk(1, "*** HW: V%02x.%02x, FW: V%02x.%02x\n",
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hw_majorversion, hw_minorversion,
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fw_majorversion, fw_minorversion);
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xc_get_hsync_freq(priv, &hsync_freq_hz);
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xc_get_hsync_freq(priv, &hsync_freq_hz);
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dprintk(1, "*** Horizontal sync frequency = %d Hz\n", hsync_freq_hz);
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xc_get_frame_lines(priv, &frame_lines);
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xc_get_frame_lines(priv, &frame_lines);
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dprintk(1, "*** Frame lines = %d\n", frame_lines);
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xc_get_quality(priv, &quality);
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xc_get_quality(priv, &quality);
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dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality);
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}
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@ -1193,7 +1142,7 @@ static int xc4000_set_params(struct dvb_frontend *fe,
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{
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struct xc4000_priv *priv = fe->tuner_priv;
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unsigned int type;
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int ret;
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int ret;
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dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency);
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@ -1290,30 +1239,11 @@ static int xc4000_set_params(struct dvb_frontend *fe,
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return 0;
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}
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static int xc4000_is_firmware_loaded(struct dvb_frontend *fe)
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{
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struct xc4000_priv *priv = fe->tuner_priv;
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int ret;
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u16 id;
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ret = xc4000_readreg(priv, XREG_PRODUCT_ID, &id);
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if (ret == XC_RESULT_SUCCESS) {
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if (id == XC_PRODUCT_ID_FW_NOT_LOADED)
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ret = XC_RESULT_RESET_FAILURE;
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else
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ret = XC_RESULT_SUCCESS;
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}
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dprintk(1, "%s() returns %s id = 0x%x\n", __func__,
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ret == XC_RESULT_SUCCESS ? "True" : "False", id);
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return ret;
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}
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static int xc4000_set_analog_params(struct dvb_frontend *fe,
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struct analog_parameters *params)
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{
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struct xc4000_priv *priv = fe->tuner_priv;
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int ret;
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int ret;
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dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n",
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__func__, params->frequency);
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@ -1420,7 +1350,7 @@ static int xc4000_get_bandwidth(struct dvb_frontend *fe, u32 *bw)
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static int xc4000_get_status(struct dvb_frontend *fe, u32 *status)
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{
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struct xc4000_priv *priv = fe->tuner_priv;
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u16 lock_status = 0;
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u16 lock_status = 0;
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xc_get_lock_status(priv, &lock_status);
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@ -1495,8 +1425,8 @@ struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
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struct xc4000_config *cfg)
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{
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struct xc4000_priv *priv = NULL;
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int instance;
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u16 id = 0;
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int instance;
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u16 id = 0;
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dprintk(1, "%s(%d-%04x)\n", __func__,
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i2c ? i2c_adapter_id(i2c) : -1,
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@ -28,8 +28,8 @@ struct dvb_frontend;
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struct i2c_adapter;
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struct xc4000_config {
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u8 i2c_address;
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u32 if_khz;
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u8 i2c_address;
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u32 if_khz;
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};
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/* xc4000 callback command */
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