b24413180f
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
281 lines
6.1 KiB
C
281 lines
6.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef DIBX000_COMMON_H
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#define DIBX000_COMMON_H
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enum dibx000_i2c_interface {
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DIBX000_I2C_INTERFACE_TUNER = 0,
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DIBX000_I2C_INTERFACE_GPIO_1_2 = 1,
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DIBX000_I2C_INTERFACE_GPIO_3_4 = 2,
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DIBX000_I2C_INTERFACE_GPIO_6_7 = 3
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};
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struct dibx000_i2c_master {
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#define DIB3000MC 1
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#define DIB7000 2
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#define DIB7000P 11
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#define DIB7000MC 12
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#define DIB8000 13
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u16 device_rev;
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enum dibx000_i2c_interface selected_interface;
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/* struct i2c_adapter tuner_i2c_adap; */
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struct i2c_adapter gated_tuner_i2c_adap;
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struct i2c_adapter master_i2c_adap_gpio12;
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struct i2c_adapter master_i2c_adap_gpio34;
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struct i2c_adapter master_i2c_adap_gpio67;
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struct i2c_adapter *i2c_adap;
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u8 i2c_addr;
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u16 base_reg;
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/* for the I2C transfer */
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struct i2c_msg msg[34];
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u8 i2c_write_buffer[8];
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u8 i2c_read_buffer[2];
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struct mutex i2c_buffer_lock;
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};
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extern int dibx000_init_i2c_master(struct dibx000_i2c_master *mst,
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u16 device_rev, struct i2c_adapter *i2c_adap,
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u8 i2c_addr);
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extern struct i2c_adapter *dibx000_get_i2c_adapter(struct dibx000_i2c_master
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*mst,
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enum dibx000_i2c_interface
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intf, int gating);
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extern void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst);
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extern void dibx000_reset_i2c_master(struct dibx000_i2c_master *mst);
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extern int dibx000_i2c_set_speed(struct i2c_adapter *i2c_adap, u16 speed);
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#define BAND_LBAND 0x01
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#define BAND_UHF 0x02
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#define BAND_VHF 0x04
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#define BAND_SBAND 0x08
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#define BAND_FM 0x10
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#define BAND_CBAND 0x20
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#define BAND_OF_FREQUENCY(freq_kHz) ((freq_kHz) <= 170000 ? BAND_CBAND : \
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(freq_kHz) <= 115000 ? BAND_FM : \
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(freq_kHz) <= 250000 ? BAND_VHF : \
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(freq_kHz) <= 863000 ? BAND_UHF : \
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(freq_kHz) <= 2000000 ? BAND_LBAND : BAND_SBAND )
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struct dibx000_agc_config {
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/* defines the capabilities of this AGC-setting - using the BAND_-defines */
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u8 band_caps;
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u16 setup;
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u16 inv_gain;
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u16 time_stabiliz;
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u8 alpha_level;
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u16 thlock;
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u8 wbd_inv;
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u16 wbd_ref;
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u8 wbd_sel;
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u8 wbd_alpha;
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u16 agc1_max;
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u16 agc1_min;
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u16 agc2_max;
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u16 agc2_min;
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u8 agc1_pt1;
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u8 agc1_pt2;
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u8 agc1_pt3;
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u8 agc1_slope1;
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u8 agc1_slope2;
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u8 agc2_pt1;
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u8 agc2_pt2;
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u8 agc2_slope1;
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u8 agc2_slope2;
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u8 alpha_mant;
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u8 alpha_exp;
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u8 beta_mant;
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u8 beta_exp;
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u8 perform_agc_softsplit;
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struct {
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u16 min;
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u16 max;
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u16 min_thres;
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u16 max_thres;
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} split;
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};
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struct dibx000_bandwidth_config {
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u32 internal;
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u32 sampling;
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u8 pll_prediv;
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u8 pll_ratio;
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u8 pll_range;
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u8 pll_reset;
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u8 pll_bypass;
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u8 enable_refdiv;
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u8 bypclk_div;
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u8 IO_CLK_en_core;
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u8 ADClkSrc;
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u8 modulo;
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u16 sad_cfg;
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u32 ifreq;
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u32 timf;
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u32 xtal_hz;
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};
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enum dibx000_adc_states {
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DIBX000_SLOW_ADC_ON = 0,
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DIBX000_SLOW_ADC_OFF,
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DIBX000_ADC_ON,
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DIBX000_ADC_OFF,
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DIBX000_VBG_ENABLE,
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DIBX000_VBG_DISABLE,
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};
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#define BANDWIDTH_TO_KHZ(v) ((v) / 1000)
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#define BANDWIDTH_TO_HZ(v) ((v) * 1000)
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/* Chip output mode. */
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#define OUTMODE_HIGH_Z 0
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#define OUTMODE_MPEG2_PAR_GATED_CLK 1
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#define OUTMODE_MPEG2_PAR_CONT_CLK 2
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#define OUTMODE_MPEG2_SERIAL 7
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#define OUTMODE_DIVERSITY 4
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#define OUTMODE_MPEG2_FIFO 5
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#define OUTMODE_ANALOG_ADC 6
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#define INPUT_MODE_OFF 0x11
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#define INPUT_MODE_DIVERSITY 0x12
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#define INPUT_MODE_MPEG 0x13
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enum frontend_tune_state {
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CT_TUNER_START = 10,
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CT_TUNER_STEP_0,
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CT_TUNER_STEP_1,
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CT_TUNER_STEP_2,
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CT_TUNER_STEP_3,
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CT_TUNER_STEP_4,
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CT_TUNER_STEP_5,
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CT_TUNER_STEP_6,
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CT_TUNER_STEP_7,
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CT_TUNER_STOP,
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CT_AGC_START = 20,
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CT_AGC_STEP_0,
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CT_AGC_STEP_1,
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CT_AGC_STEP_2,
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CT_AGC_STEP_3,
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CT_AGC_STEP_4,
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CT_AGC_STOP,
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CT_DEMOD_START = 30,
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CT_DEMOD_STEP_1,
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CT_DEMOD_STEP_2,
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CT_DEMOD_STEP_3,
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CT_DEMOD_STEP_4,
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CT_DEMOD_STEP_5,
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CT_DEMOD_STEP_6,
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CT_DEMOD_STEP_7,
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CT_DEMOD_STEP_8,
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CT_DEMOD_STEP_9,
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CT_DEMOD_STEP_10,
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CT_DEMOD_STEP_11,
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CT_DEMOD_SEARCH_NEXT = 51,
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CT_DEMOD_STEP_LOCKED,
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CT_DEMOD_STOP,
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CT_DONE = 100,
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CT_SHUTDOWN,
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};
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struct dvb_frontend_parametersContext {
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#define CHANNEL_STATUS_PARAMETERS_UNKNOWN 0x01
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#define CHANNEL_STATUS_PARAMETERS_SET 0x02
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u8 status;
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u32 tune_time_estimation[2];
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s32 tps_available;
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u16 tps[9];
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};
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#define FE_STATUS_TUNE_FAILED 0
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#define FE_STATUS_TUNE_TIMED_OUT -1
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#define FE_STATUS_TUNE_TIME_TOO_SHORT -2
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#define FE_STATUS_TUNE_PENDING -3
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#define FE_STATUS_STD_SUCCESS -4
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#define FE_STATUS_FFT_SUCCESS -5
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#define FE_STATUS_DEMOD_SUCCESS -6
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#define FE_STATUS_LOCKED -7
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#define FE_STATUS_DATA_LOCKED -8
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#define FE_CALLBACK_TIME_NEVER 0xffffffff
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#define ABS(x) ((x < 0) ? (-x) : (x))
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#define DATA_BUS_ACCESS_MODE_8BIT 0x01
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#define DATA_BUS_ACCESS_MODE_16BIT 0x02
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#define DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT 0x10
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struct dibGPIOFunction {
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#define BOARD_GPIO_COMPONENT_BUS_ADAPTER 1
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#define BOARD_GPIO_COMPONENT_DEMOD 2
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u8 component;
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#define BOARD_GPIO_FUNCTION_BOARD_ON 1
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#define BOARD_GPIO_FUNCTION_BOARD_OFF 2
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#define BOARD_GPIO_FUNCTION_COMPONENT_ON 3
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#define BOARD_GPIO_FUNCTION_COMPONENT_OFF 4
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#define BOARD_GPIO_FUNCTION_SUBBAND_PWM 5
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#define BOARD_GPIO_FUNCTION_SUBBAND_GPIO 6
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u8 function;
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/* mask, direction and value are used specify which GPIO to change GPIO0
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* is LSB and possible GPIO31 is MSB. The same bit-position as in the
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* mask is used for the direction and the value. Direction == 1 is OUT,
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* 0 == IN. For direction "OUT" value is either 1 or 0, for direction IN
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* value has no meaning.
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*
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* In case of BOARD_GPIO_FUNCTION_PWM mask is giving the GPIO to be
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* used to do the PWM. Direction gives the PWModulator to be used.
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* Value gives the PWM value in device-dependent scale.
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*/
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u32 mask;
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u32 direction;
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u32 value;
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};
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#define MAX_NB_SUBBANDS 8
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struct dibSubbandSelection {
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u8 size; /* Actual number of subbands. */
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struct {
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u16 f_mhz;
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struct dibGPIOFunction gpio;
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} subband[MAX_NB_SUBBANDS];
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};
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#define DEMOD_TIMF_SET 0x00
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#define DEMOD_TIMF_GET 0x01
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#define DEMOD_TIMF_UPDATE 0x02
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#define MPEG_ON_DIBTX 1
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#define DIV_ON_DIBTX 2
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#define ADC_ON_DIBTX 3
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#define DEMOUT_ON_HOSTBUS 4
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#define DIBTX_ON_HOSTBUS 5
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#define MPEG_ON_HOSTBUS 6
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#endif
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