| /linux/drivers/pps/ |
| H A D | kapi.c | 41 static void pps_echo_client_default(struct pps_device *pps, int event, in pps_echo_client_default() argument
44 dev_info(pps->dev, "echo %s %s\n", in pps_echo_client_default()
53 /* pps_register_source - add a PPS source in the system
54 * @info: the PPS info struct
55 * @default_params: the default PPS parameters of the new source
57 * This function is used to add a new PPS source in the system. The new
58 * source is described by info's fields and it will have, as default PPS
61 * The function returns, in case of success, the PPS device. Otherwise
68 struct pps_device *pps; in pps_register_source() local
85 /* Allocate memory for the new PPS source struct */ in pps_register_source()
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| H A D | kc.c | 3 * PPS kernel consumer API
25 /* PPS API (RFC 2783): current source and mode for kernel consumer */
29 /* pps_kc_bind - control PPS kernel consumer binding
30 * @pps: the PPS source
33 * This function is used to bind or unbind PPS kernel consumer according to
36 int pps_kc_bind(struct pps_device *pps, struct pps_bind_args *bind_args) in pps_kc_bind() argument
42 if (pps_kc_hardpps_dev == pps) { in pps_kc_bind()
46 dev_info(pps->dev, "unbound kernel" in pps_kc_bind()
50 dev_err(pps->dev, "selected kernel consumer" in pps_kc_bind()
56 pps_kc_hardpps_dev == pps) { in pps_kc_bind()
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| H A D | sysfs.c | 3 * PPS sysfs support
21 struct pps_device *pps = dev_get_drvdata(dev); in assert_show() local
23 if (!(pps->info.mode & PPS_CAPTUREASSERT)) in assert_show()
27 (long long) pps->assert_tu.sec, pps->assert_tu.nsec, in assert_show()
28 pps->assert_sequence); in assert_show()
35 struct pps_device *pps = dev_get_drvdata(dev); in clear_show() local
37 if (!(pps->info.mode & PPS_CAPTURECLEAR)) in clear_show()
41 (long long) pps->clear_tu.sec, pps->clear_tu.nsec, in clear_show()
42 pps->clear_sequence); in clear_show()
49 struct pps_device *pps = dev_get_drvdata(dev); in mode_show() local
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| H A D | Kconfig | 3 # PPS support configuration
6 menuconfig PPS config
7 tristate "PPS support"
9 PPS (Pulse Per Second) is a special pulse provided by some GPS
13 Some antennae's PPS signals are connected with the CD (Carrier
17 Some antennae's PPS signals are connected with some special host
23 if PPS
26 bool "PPS debugging messages"
28 Say Y here if you want the PPS support to produce a bunch of debug
30 problem with PPS support and want to see more of what is going on.
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| H A D | kc.h | 3 * PPS kernel consumer API header
16 extern int pps_kc_bind(struct pps_device *pps,
18 extern void pps_kc_remove(struct pps_device *pps);
19 extern void pps_kc_event(struct pps_device *pps,
25 static inline int pps_kc_bind(struct pps_device *pps, in pps_kc_bind() argument
27 static inline void pps_kc_remove(struct pps_device *pps) {} in pps_kc_remove() argument
28 static inline void pps_kc_event(struct pps_device *pps, in pps_kc_event() argument
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| /linux/drivers/gpu/drm/amd/display/dc/dsc/dcn20/ |
| H A D | dcn20_dsc.c | 199 DC_LOG_DSC("programming DSC Picture Parameter Set (PPS):"); in dsc2_set_config()
200 dsc_log_pps(dsc, &dsc20->reg_vals.pps); in dsc2_set_config()
214 DC_LOG_DSC("Getting packed DSC PPS for DSC Config:"); in dsc2_get_packed_pps()
216 DC_LOG_DSC("DSC Picture Parameter Set (PPS):"); in dsc2_get_packed_pps()
219 …drm_dsc_pps_payload_pack((struct drm_dsc_picture_parameter_set *)dsc_packed_pps, &dsc_reg_vals.pps… in dsc2_get_packed_pps()
220 dsc_log_pps(dsc, &dsc_reg_vals.pps); in dsc2_get_packed_pps()
288 void dsc_log_pps(struct display_stream_compressor *dsc, struct drm_dsc_config *pps) in dsc_log_pps() argument
291 int bits_per_pixel = pps->bits_per_pixel; in dsc_log_pps()
293 DC_LOG_DSC("\tdsc_version_major %d", pps->dsc_version_major); in dsc_log_pps()
294 DC_LOG_DSC("\tdsc_version_minor %d", pps->dsc_version_minor); in dsc_log_pps()
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| /linux/drivers/gpu/drm/amd/display/dc/dsc/dcn401/ |
| H A D | dcn401_dsc.c | 158 DC_LOG_DSC("programming DSC Picture Parameter Set (PPS):"); in dsc401_set_config()
159 dsc_log_pps(dsc, &dsc401->reg_vals.pps); in dsc401_set_config()
238 DSCCIF_CONFIG0__BITS_PER_COMPONENT, reg_vals->pps.bits_per_component); in dsc_write_to_registers()
241 PIC_WIDTH, reg_vals->pps.pic_width, in dsc_write_to_registers()
242 PIC_HEIGHT, reg_vals->pps.pic_height); in dsc_write_to_registers()
271 DSC_VERSION_MINOR, reg_vals->pps.dsc_version_minor, in dsc_write_to_registers()
272 LINEBUF_DEPTH, reg_vals->pps.line_buf_depth, in dsc_write_to_registers()
273 DSCC_PPS_CONFIG0__BITS_PER_COMPONENT, reg_vals->pps.bits_per_component); in dsc_write_to_registers()
284 BLOCK_PRED_ENABLE, reg_vals->pps.block_pred_enable, in dsc_write_to_registers()
287 CHUNK_SIZE, reg_vals->pps.slice_chunk_size); in dsc_write_to_registers()
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| /linux/Documentation/driver-api/ |
| H A D | pps.rst | 4 PPS - Pulse Per Second
25 system several PPS sources.
27 PPS means "pulse per second" and a PPS source is just a device which
31 A PPS source can be connected to a serial port (usually to the Data
38 GPS receiver as PPS source, to obtain a wallclock-time with
45 While implementing a PPS API as RFC 2783 defines and using an embedded
55 task for a PPS API. But this assumption does not work for a single
58 precondition for the use of a PPS API.
60 The problem can be simply solved if you consider that a PPS source is
64 for instance) is a PPS source too, and if not they should provide the
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| /linux/drivers/pps/clients/ |
| H A D | pps-ldisc.c | 3 * pps-ldisc.c -- PPS line discipline
18 struct pps_device *pps; in pps_tty_dcd_change() local
23 pps = pps_lookup_dev(tty); in pps_tty_dcd_change()
28 if (WARN_ON_ONCE(pps == NULL)) in pps_tty_dcd_change()
31 /* Now do the PPS event report */ in pps_tty_dcd_change()
32 pps_event(pps, &ts, active ? PPS_CAPTUREASSERT : in pps_tty_dcd_change()
35 dev_dbg(pps->dev, "PPS %s at %lu\n", in pps_tty_dcd_change()
46 struct pps_device *pps; in pps_tty_open() local
57 pps = pps_register_source(&info, PPS_CAPTUREBOTH | \ in pps_tty_open()
59 if (IS_ERR(pps)) { in pps_tty_open()
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| H A D | pps-gpio.c | 3 * pps-gpio.c -- PPS client driver using GPIO
9 #define PPS_GPIO_NAME "pps-gpio"
28 int irq; /* IRQ used as PPS source */
29 struct pps_device *pps; /* PPS source device */ member
30 struct pps_source_info info; /* PPS source information */
36 unsigned int echo_active_ms; /* PPS echo active duration */
41 * Report the PPS event
58 pps_event(info->pps, &ts, PPS_CAPTUREASSERT, data); in pps_gpio_irq_handler()
62 pps_event(info->pps, &ts, PPS_CAPTURECLEAR, data); in pps_gpio_irq_handler()
68 static void pps_gpio_echo(struct pps_device *pps, int event, void *data) in pps_gpio_echo() argument
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| H A D | pps-ktimer.c | 3 * pps-ktimer.c -- kernel timer test client
21 static struct pps_device *pps; variable
35 pps_event(pps, &ts, PPS_CAPTUREASSERT, NULL); in pps_ktimer_event()
41 * The PPS info struct
59 dev_info(pps->dev, "ktimer PPS source unregistered\n"); in pps_ktimer_exit()
62 pps_unregister_source(pps); in pps_ktimer_exit()
67 pps = pps_register_source(&pps_ktimer_info, in pps_ktimer_init()
69 if (IS_ERR(pps)) { in pps_ktimer_init()
70 pr_err("cannot register PPS source\n"); in pps_ktimer_init()
71 return PTR_ERR(pps); in pps_ktimer_init()
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| H A D | Kconfig | 3 # PPS clients configuration
6 comment "PPS clients support"
11 If you say yes here you get support for a PPS debugging client
12 which uses a kernel timer to generate the PPS signal.
15 will be called pps-ktimer.
18 tristate "PPS line discipline"
21 If you say yes here you get support for a PPS source connected
25 tristate "Parallel port PPS client"
28 If you say yes here you get support for a PPS source connected
32 tristate "PPS client using GPIO"
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| H A D | pps_parport.c | 3 * pps_parport.c -- kernel parallel port PPS client
41 struct pps_device *pps; /* PPS device */ member
84 dev_err(dev->pps->dev, "lost the signal\n"); in parport_irq()
101 dev_err(dev->pps->dev, "disabled clear edge capture after %d" in parport_irq()
109 pps_event(dev->pps, &ts_assert, in parport_irq()
115 pps_event(dev->pps, &ts_assert, in parport_irq()
118 pps_event(dev->pps, &ts_clear, in parport_irq()
173 device->pps = pps_register_source(&info, in parport_attach()
175 if (IS_ERR(device->pps)) { in parport_attach()
176 pr_err("couldn't register PPS source\n"); in parport_attach()
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-pps | 1 What: /sys/class/pps/
5 The /sys/class/pps/ directory will contain files and
7 the PPS sources.
9 What: /sys/class/pps/ppsX/
13 The /sys/class/pps/ppsX/ directory is related to X-th
14 PPS source into the system. Each directory will
15 contain files to manage and control its PPS source.
17 What: /sys/class/pps/ppsX/assert
21 The /sys/class/pps/ppsX/assert file reports the assert events
29 What: /sys/class/pps/ppsX/clear
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| /linux/drivers/gpu/drm/i915/display/ |
| H A D | intel_pps.c | 31 struct intel_pps *pps = &intel_dp->pps; in pps_name() local
34 switch (pps->pps_pipe) { in pps_name()
38 * to always have a valid PPS when calling this. in pps_name()
40 return "PPS <none>"; in pps_name()
42 return "PPS A"; in pps_name()
44 return "PPS B"; in pps_name()
46 MISSING_CASE(pps->pps_pipe); in pps_name()
50 switch (pps->pps_idx) { in pps_name()
52 return "PPS 0"; in pps_name()
54 return "PPS 1"; in pps_name()
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| H A D | intel_vdsc_regs.h | 54 #define DSCA_PPS(pps) _MMIO(_DSCA_PPS_0 + ((pps) < 12 ? (pps) : (pps) + 12) * 4) argument
55 #define DSCC_PPS(pps) _MMIO(_DSCC_PPS_0 + ((pps) < 12 ? (pps) : (pps) + 12) * 4) argument
72 #define ICL_DSC0_PPS(pipe, pps) _MMIO(_ICL_DSC0_PPS_0(pipe) + ((pps) * 4)) argument
73 #define ICL_DSC1_PPS(pipe, pps) _MMIO(_ICL_DSC1_PPS_0(pipe) + ((pps) * 4)) argument
75 /* PPS 0 */
92 /* PPS 1 */
96 /* PPS 2 */
102 /* PPS 3 */
108 /* PPS 4 */
116 /* PPS 5 */
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| H A D | intel_vdsc.c | 71 * variables. The formula approach may yield slight differences in the derived PPS
74 * visually lossless quality (provides the same PPS values as
389 static void intel_dsc_get_pps_reg(const struct intel_crtc_state *crtc_state, int pps, in intel_dsc_get_pps_reg() argument
402 dsc_reg[1] = pipe_dsc ? ICL_DSC1_PPS(pipe, pps) : DSCC_PPS(pps); in intel_dsc_get_pps_reg()
404 dsc_reg[0] = pipe_dsc ? ICL_DSC0_PPS(pipe, pps) : DSCA_PPS(pps); in intel_dsc_get_pps_reg()
408 int pps, u32 pps_val) in intel_dsc_pps_write() argument
420 intel_dsc_get_pps_reg(crtc_state, pps, dsc_reg, dsc_reg_num); in intel_dsc_pps_write()
440 /* PPS 0 */ in intel_dsc_pps_configure()
462 /* PPS 1 */ in intel_dsc_pps_configure()
466 /* PPS 2 */ in intel_dsc_pps_configure()
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| /linux/include/linux/ |
| H A D | pps_kernel.h | 3 * PPS API kernel header
11 #include <linux/pps.h>
22 /* The specific PPS source info */
26 int mode; /* PPS allowed mode */
28 void (*echo)(struct pps_device *pps,
29 int event, void *data); /* PPS echo function */
46 struct pps_kparams params; /* PPS current params */
48 __u32 assert_sequence; /* PPS assert event seq # */
49 __u32 clear_sequence; /* PPS clear event seq # */
52 int current_mode; /* PPS mode at event time */
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| /linux/drivers/media/platform/allegro-dvt/ |
| H A D | nal-hevc.c | 11 * RBSP for VPS/SPS/PPS nal units and add them to the encoded stream if the
430 static void nal_hevc_rbsp_pps(struct rbsp *rbsp, struct nal_hevc_pps *pps) in nal_hevc_rbsp_pps() argument
434 rbsp_uev(rbsp, &pps->pps_pic_parameter_set_id); in nal_hevc_rbsp_pps()
435 rbsp_uev(rbsp, &pps->pps_seq_parameter_set_id); in nal_hevc_rbsp_pps()
436 rbsp_bit(rbsp, &pps->dependent_slice_segments_enabled_flag); in nal_hevc_rbsp_pps()
437 rbsp_bit(rbsp, &pps->output_flag_present_flag); in nal_hevc_rbsp_pps()
438 rbsp_bits(rbsp, 3, &pps->num_extra_slice_header_bits); in nal_hevc_rbsp_pps()
439 rbsp_bit(rbsp, &pps->sign_data_hiding_enabled_flag); in nal_hevc_rbsp_pps()
440 rbsp_bit(rbsp, &pps->cabac_init_present_flag); in nal_hevc_rbsp_pps()
441 rbsp_uev(rbsp, &pps->num_ref_idx_l0_default_active_minus1); in nal_hevc_rbsp_pps()
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| H A D | nal-h264.c | 11 * generator to generate the RBSP for SPS/PPS nal units and add them to the
283 static void nal_h264_rbsp_pps(struct rbsp *rbsp, struct nal_h264_pps *pps) in nal_h264_rbsp_pps() argument
287 rbsp_uev(rbsp, &pps->pic_parameter_set_id); in nal_h264_rbsp_pps()
288 rbsp_uev(rbsp, &pps->seq_parameter_set_id); in nal_h264_rbsp_pps()
289 rbsp_bit(rbsp, &pps->entropy_coding_mode_flag); in nal_h264_rbsp_pps()
290 rbsp_bit(rbsp, &pps->bottom_field_pic_order_in_frame_present_flag); in nal_h264_rbsp_pps()
291 rbsp_uev(rbsp, &pps->num_slice_groups_minus1); in nal_h264_rbsp_pps()
292 if (pps->num_slice_groups_minus1 > 0) { in nal_h264_rbsp_pps()
293 rbsp_uev(rbsp, &pps->slice_group_map_type); in nal_h264_rbsp_pps()
294 switch (pps->slice_group_map_type) { in nal_h264_rbsp_pps()
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| /linux/drivers/gpu/drm/amd/display/dc/dsc/ |
| H A D | rc_calc.c | 31 * @pps: DRM struct with all required DSC values
40 void calc_rc_params(struct rc_params *rc, const struct drm_dsc_config *pps) in calc_rc_params() argument
46 u16 drm_bpp = pps->bits_per_pixel; in calc_rc_params()
47 int slice_width = pps->slice_width; in calc_rc_params()
48 int slice_height = pps->slice_height; in calc_rc_params()
50 mode = pps->convert_rgb ? CM_RGB : (pps->simple_422 ? CM_444 : in calc_rc_params()
51 (pps->native_422 ? CM_422 : in calc_rc_params()
52 pps->native_420 ? CM_420 : CM_444)); in calc_rc_params()
53 bpc = (pps->bits_per_component == 8) ? BPC_8 : (pps->bits_per_component == 10) in calc_rc_params()
56 is_navite_422_or_420 = pps->native_422 || pps->native_420; in calc_rc_params()
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| /linux/drivers/media/platform/verisilicon/ |
| H A D | hantro_g2_hevc_dec.c | 15 const struct v4l2_ctrl_hevc_pps *pps = ctrls->pps; in prepare_tile_info_buffer() local
18 unsigned int num_tile_rows = pps->num_tile_rows_minus1 + 1; in prepare_tile_info_buffer()
19 unsigned int num_tile_cols = pps->num_tile_columns_minus1 + 1; in prepare_tile_info_buffer()
25 tiles_enabled = !!(pps->flags & V4L2_HEVC_PPS_FLAG_TILES_ENABLED); in prepare_tile_info_buffer()
26 uniform_spacing = !!(pps->flags & V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING); in prepare_tile_info_buffer()
57 h = pps->row_height_minus1[i] + 1; in prepare_tile_info_buffer()
62 tmp_w += pps->column_width_minus1[j] + 1; in prepare_tile_info_buffer()
63 *p++ = pps->column_width_minus1[j] + 1; in prepare_tile_info_buffer()
86 (pps->column_width_minus1[0] + 1) == 1 && in prepare_tile_info_buffer()
111 const struct v4l2_ctrl_hevc_pps *pps = ctrls->pps; in compute_header_skip_length() local
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| /linux/samples/bpf/ |
| H A D | xdp_sample_user.c | 60 #define PPS(pps) pps, "pkt/s" macro
123 __u64 pps; member
137 __u64 pps; member
592 __u64 pps = 0; in calc_pps() local
596 pps = sample_round(packets / period_); in calc_pps()
598 return pps; in calc_pps()
604 __u64 pps = 0; in calc_drop_pps() local
608 pps = sample_round(packets / period_); in calc_drop_pps()
610 return pps; in calc_drop_pps()
616 __u64 pps = 0; in calc_errs_pps() local
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| /linux/Documentation/devicetree/bindings/pps/ |
| H A D | pps-gpio.yaml | 4 $id: http://devicetree.org/schemas/pps/pps-gpio.yaml#
7 title: PPS Signal via GPIO
14 const: pps-gpio
17 description: The GPIO that provides the PPS signal.
21 description: The GPIO that provides the PPS ECHO signal.
41 pps {
42 compatible = "pps-gpio";
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| /linux/drivers/staging/media/sunxi/cedrus/ |
| H A D | cedrus_h265.c | 364 const struct v4l2_ctrl_hevc_pps *pps; in cedrus_h265_write_tiles() local
370 pps = run->h265.pps; in cedrus_h265_write_tiles()
375 for (x = 0, tx = 0; tx < pps->num_tile_columns_minus1 + 1; tx++) { in cedrus_h265_write_tiles()
376 if (x + pps->column_width_minus1[tx] + 1 > ctb_addr_x) in cedrus_h265_write_tiles()
379 x += pps->column_width_minus1[tx] + 1; in cedrus_h265_write_tiles()
382 for (y = 0, ty = 0; ty < pps->num_tile_rows_minus1 + 1; ty++) { in cedrus_h265_write_tiles()
383 if (y + pps->row_height_minus1[ty] + 1 > ctb_addr_y) in cedrus_h265_write_tiles()
386 y += pps->row_height_minus1[ty] + 1; in cedrus_h265_write_tiles()
391 ((y + pps->row_height_minus1[ty]) << 16) | in cedrus_h265_write_tiles()
392 ((x + pps->column_width_minus1[tx]) << 0)); in cedrus_h265_write_tiles()
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