Lines Matching refs:phy
33 static inline u32 camerarx_read(struct cal_camerarx *phy, u32 offset) in camerarx_read() argument
35 return ioread32(phy->base + offset); in camerarx_read()
38 static inline void camerarx_write(struct cal_camerarx *phy, u32 offset, u32 val) in camerarx_write() argument
40 iowrite32(val, phy->base + offset); in camerarx_write()
48 static s64 cal_camerarx_get_ext_link_freq(struct cal_camerarx *phy) in cal_camerarx_get_ext_link_freq() argument
50 struct v4l2_fwnode_bus_mipi_csi2 *mipi_csi2 = &phy->endpoint.bus.mipi_csi2; in cal_camerarx_get_ext_link_freq()
56 fmtinfo = cal_format_by_code(phy->formats[CAL_CAMERARX_PAD_SINK].code); in cal_camerarx_get_ext_link_freq()
62 freq = v4l2_get_link_freq(phy->source->ctrl_handler, bpp, 2 * num_lanes); in cal_camerarx_get_ext_link_freq()
64 phy_err(phy, "failed to get link freq for subdev '%s'\n", in cal_camerarx_get_ext_link_freq()
65 phy->source->name); in cal_camerarx_get_ext_link_freq()
69 phy_dbg(3, phy, "Source Link Freq: %llu\n", freq); in cal_camerarx_get_ext_link_freq()
74 static void cal_camerarx_lane_config(struct cal_camerarx *phy) in cal_camerarx_lane_config() argument
76 u32 val = cal_read(phy->cal, CAL_CSI2_COMPLEXIO_CFG(phy->instance)); in cal_camerarx_lane_config()
80 &phy->endpoint.bus.mipi_csi2; in cal_camerarx_lane_config()
97 cal_write(phy->cal, CAL_CSI2_COMPLEXIO_CFG(phy->instance), val); in cal_camerarx_lane_config()
98 phy_dbg(3, phy, "CAL_CSI2_COMPLEXIO_CFG(%d) = 0x%08x\n", in cal_camerarx_lane_config()
99 phy->instance, val); in cal_camerarx_lane_config()
102 static void cal_camerarx_enable(struct cal_camerarx *phy) in cal_camerarx_enable() argument
104 u32 num_lanes = phy->cal->data->camerarx[phy->instance].num_lanes; in cal_camerarx_enable()
106 regmap_field_write(phy->fields[F_CAMMODE], 0); in cal_camerarx_enable()
108 regmap_field_write(phy->fields[F_LANEENABLE], (1 << num_lanes) - 1); in cal_camerarx_enable()
110 if (phy->fields[F_CSI_MODE]) in cal_camerarx_enable()
111 regmap_field_write(phy->fields[F_CSI_MODE], 1); in cal_camerarx_enable()
112 regmap_field_write(phy->fields[F_CTRLCLKEN], 1); in cal_camerarx_enable()
115 void cal_camerarx_disable(struct cal_camerarx *phy) in cal_camerarx_disable() argument
117 regmap_field_write(phy->fields[F_CTRLCLKEN], 0); in cal_camerarx_disable()
127 static void cal_camerarx_config(struct cal_camerarx *phy, s64 link_freq) in cal_camerarx_config() argument
136 phy_dbg(1, phy, "ths_term: %d (0x%02x)\n", ths_term, ths_term); in cal_camerarx_config()
140 phy_dbg(1, phy, "ths_settle: %d (0x%02x)\n", ths_settle, ths_settle); in cal_camerarx_config()
142 reg0 = camerarx_read(phy, CAL_CSI2_PHY_REG0); in cal_camerarx_config()
148 phy_dbg(1, phy, "CSI2_%d_REG0 = 0x%08x\n", phy->instance, reg0); in cal_camerarx_config()
149 camerarx_write(phy, CAL_CSI2_PHY_REG0, reg0); in cal_camerarx_config()
151 reg1 = camerarx_read(phy, CAL_CSI2_PHY_REG1); in cal_camerarx_config()
158 phy_dbg(1, phy, "CSI2_%d_REG1 = 0x%08x\n", phy->instance, reg1); in cal_camerarx_config()
159 camerarx_write(phy, CAL_CSI2_PHY_REG1, reg1); in cal_camerarx_config()
162 static void cal_camerarx_power(struct cal_camerarx *phy, bool enable) in cal_camerarx_power() argument
170 cal_write_field(phy->cal, CAL_CSI2_COMPLEXIO_CFG(phy->instance), in cal_camerarx_power()
176 current_state = cal_read_field(phy->cal, in cal_camerarx_power()
177 CAL_CSI2_COMPLEXIO_CFG(phy->instance), in cal_camerarx_power()
187 phy_err(phy, "Failed to power %s complexio\n", in cal_camerarx_power()
191 static void cal_camerarx_wait_reset(struct cal_camerarx *phy) in cal_camerarx_wait_reset() argument
197 if (cal_read_field(phy->cal, in cal_camerarx_wait_reset()
198 CAL_CSI2_COMPLEXIO_CFG(phy->instance), in cal_camerarx_wait_reset()
205 if (cal_read_field(phy->cal, CAL_CSI2_COMPLEXIO_CFG(phy->instance), in cal_camerarx_wait_reset()
208 phy_err(phy, "Timeout waiting for Complex IO reset done\n"); in cal_camerarx_wait_reset()
211 static void cal_camerarx_wait_stop_state(struct cal_camerarx *phy) in cal_camerarx_wait_stop_state() argument
217 if (cal_read_field(phy->cal, in cal_camerarx_wait_stop_state()
218 CAL_CSI2_TIMING(phy->instance), in cal_camerarx_wait_stop_state()
224 if (cal_read_field(phy->cal, CAL_CSI2_TIMING(phy->instance), in cal_camerarx_wait_stop_state()
226 phy_err(phy, "Timeout waiting for stop state\n"); in cal_camerarx_wait_stop_state()
229 static void cal_camerarx_enable_irqs(struct cal_camerarx *phy) in cal_camerarx_enable_irqs() argument
247 cal_write(phy->cal, CAL_HL_IRQENABLE_SET(0), in cal_camerarx_enable_irqs()
248 CAL_HL_IRQ_CIO_MASK(phy->instance) | in cal_camerarx_enable_irqs()
249 CAL_HL_IRQ_VC_MASK(phy->instance)); in cal_camerarx_enable_irqs()
250 cal_write(phy->cal, CAL_CSI2_COMPLEXIO_IRQENABLE(phy->instance), in cal_camerarx_enable_irqs()
252 cal_write(phy->cal, CAL_CSI2_VC_IRQENABLE(phy->instance), in cal_camerarx_enable_irqs()
256 static void cal_camerarx_disable_irqs(struct cal_camerarx *phy) in cal_camerarx_disable_irqs() argument
259 cal_write(phy->cal, CAL_HL_IRQENABLE_CLR(0), in cal_camerarx_disable_irqs()
260 CAL_HL_IRQ_CIO_MASK(phy->instance) | in cal_camerarx_disable_irqs()
261 CAL_HL_IRQ_VC_MASK(phy->instance)); in cal_camerarx_disable_irqs()
262 cal_write(phy->cal, CAL_CSI2_COMPLEXIO_IRQENABLE(phy->instance), 0); in cal_camerarx_disable_irqs()
263 cal_write(phy->cal, CAL_CSI2_VC_IRQENABLE(phy->instance), 0); in cal_camerarx_disable_irqs()
266 static void cal_camerarx_ppi_enable(struct cal_camerarx *phy) in cal_camerarx_ppi_enable() argument
268 cal_write_field(phy->cal, CAL_CSI2_PPI_CTRL(phy->instance), in cal_camerarx_ppi_enable()
271 cal_write_field(phy->cal, CAL_CSI2_PPI_CTRL(phy->instance), in cal_camerarx_ppi_enable()
275 static void cal_camerarx_ppi_disable(struct cal_camerarx *phy) in cal_camerarx_ppi_disable() argument
277 cal_write_field(phy->cal, CAL_CSI2_PPI_CTRL(phy->instance), in cal_camerarx_ppi_disable()
281 static int cal_camerarx_start(struct cal_camerarx *phy) in cal_camerarx_start() argument
288 if (phy->enable_count > 0) { in cal_camerarx_start()
289 phy->enable_count++; in cal_camerarx_start()
293 link_freq = cal_camerarx_get_ext_link_freq(phy); in cal_camerarx_start()
297 ret = v4l2_subdev_call(phy->source, core, s_power, 1); in cal_camerarx_start()
299 phy_err(phy, "power on failed in subdev\n"); in cal_camerarx_start()
303 cal_camerarx_enable_irqs(phy); in cal_camerarx_start()
317 cal_camerarx_lane_config(phy); in cal_camerarx_start()
323 cal_camerarx_enable(phy); in cal_camerarx_start()
332 cal_write_field(phy->cal, CAL_CSI2_COMPLEXIO_CFG(phy->instance), in cal_camerarx_start()
335 phy_dbg(3, phy, "CAL_CSI2_COMPLEXIO_CFG(%d) = 0x%08x De-assert Complex IO Reset\n", in cal_camerarx_start()
336 phy->instance, in cal_camerarx_start()
337 cal_read(phy->cal, CAL_CSI2_COMPLEXIO_CFG(phy->instance))); in cal_camerarx_start()
340 camerarx_read(phy, CAL_CSI2_PHY_REG0); in cal_camerarx_start()
343 cal_camerarx_config(phy, link_freq); in cal_camerarx_start()
355 sscounter = DIV_ROUND_UP(clk_get_rate(phy->cal->fclk), 10000 * 16 * 4); in cal_camerarx_start()
357 val = cal_read(phy->cal, CAL_CSI2_TIMING(phy->instance)); in cal_camerarx_start()
362 cal_write(phy->cal, CAL_CSI2_TIMING(phy->instance), val); in cal_camerarx_start()
363 phy_dbg(3, phy, "CAL_CSI2_TIMING(%d) = 0x%08x Stop States\n", in cal_camerarx_start()
364 phy->instance, in cal_camerarx_start()
365 cal_read(phy->cal, CAL_CSI2_TIMING(phy->instance))); in cal_camerarx_start()
368 cal_write_field(phy->cal, CAL_CSI2_TIMING(phy->instance), in cal_camerarx_start()
370 phy_dbg(3, phy, "CAL_CSI2_TIMING(%d) = 0x%08x Force RXMODE\n", in cal_camerarx_start()
371 phy->instance, in cal_camerarx_start()
372 cal_read(phy->cal, CAL_CSI2_TIMING(phy->instance))); in cal_camerarx_start()
385 cal_camerarx_power(phy, true); in cal_camerarx_start()
391 ret = v4l2_subdev_call(phy->source, video, s_stream, 1); in cal_camerarx_start()
393 v4l2_subdev_call(phy->source, core, s_power, 0); in cal_camerarx_start()
394 cal_camerarx_disable_irqs(phy); in cal_camerarx_start()
395 phy_err(phy, "stream on failed in subdev\n"); in cal_camerarx_start()
399 cal_camerarx_wait_reset(phy); in cal_camerarx_start()
402 cal_camerarx_wait_stop_state(phy); in cal_camerarx_start()
404 phy_dbg(1, phy, "CSI2_%u_REG1 = 0x%08x (bits 31-28 should be set)\n", in cal_camerarx_start()
405 phy->instance, camerarx_read(phy, CAL_CSI2_PHY_REG1)); in cal_camerarx_start()
415 cal_camerarx_ppi_enable(phy); in cal_camerarx_start()
417 phy->enable_count++; in cal_camerarx_start()
422 static void cal_camerarx_stop(struct cal_camerarx *phy) in cal_camerarx_stop() argument
426 if (--phy->enable_count > 0) in cal_camerarx_stop()
429 cal_camerarx_ppi_disable(phy); in cal_camerarx_stop()
431 cal_camerarx_disable_irqs(phy); in cal_camerarx_stop()
433 cal_camerarx_power(phy, false); in cal_camerarx_stop()
436 cal_write_field(phy->cal, CAL_CSI2_COMPLEXIO_CFG(phy->instance), in cal_camerarx_stop()
440 phy_dbg(3, phy, "CAL_CSI2_COMPLEXIO_CFG(%d) = 0x%08x Complex IO in Reset\n", in cal_camerarx_stop()
441 phy->instance, in cal_camerarx_stop()
442 cal_read(phy->cal, CAL_CSI2_COMPLEXIO_CFG(phy->instance))); in cal_camerarx_stop()
445 cal_camerarx_disable(phy); in cal_camerarx_stop()
447 if (v4l2_subdev_call(phy->source, video, s_stream, 0)) in cal_camerarx_stop()
448 phy_err(phy, "stream off failed in subdev\n"); in cal_camerarx_stop()
450 ret = v4l2_subdev_call(phy->source, core, s_power, 0); in cal_camerarx_stop()
452 phy_err(phy, "power off failed in subdev\n"); in cal_camerarx_stop()
474 void cal_camerarx_i913_errata(struct cal_camerarx *phy) in cal_camerarx_i913_errata() argument
476 u32 reg10 = camerarx_read(phy, CAL_CSI2_PHY_REG10); in cal_camerarx_i913_errata()
480 phy_dbg(1, phy, "CSI2_%d_REG10 = 0x%08x\n", phy->instance, reg10); in cal_camerarx_i913_errata()
481 camerarx_write(phy, CAL_CSI2_PHY_REG10, reg10); in cal_camerarx_i913_errata()
485 struct cal_camerarx *phy) in cal_camerarx_regmap_init() argument
493 phy_data = &cal->data->camerarx[phy->instance]; in cal_camerarx_regmap_init()
506 phy->fields[i] = devm_regmap_field_alloc(cal->dev, in cal_camerarx_regmap_init()
509 if (IS_ERR(phy->fields[i])) { in cal_camerarx_regmap_init()
511 return PTR_ERR(phy->fields[i]); in cal_camerarx_regmap_init()
518 static int cal_camerarx_parse_dt(struct cal_camerarx *phy) in cal_camerarx_parse_dt() argument
520 struct v4l2_fwnode_endpoint *endpoint = &phy->endpoint; in cal_camerarx_parse_dt()
530 ep_node = of_graph_get_endpoint_by_regs(phy->cal->dev->of_node, in cal_camerarx_parse_dt()
531 phy->instance, 0); in cal_camerarx_parse_dt()
537 phy_dbg(3, phy, "Port has no endpoint\n"); in cal_camerarx_parse_dt()
544 phy_err(phy, "Failed to parse endpoint\n"); in cal_camerarx_parse_dt()
552 phy_err(phy, "Invalid position %u for data lane %u\n", in cal_camerarx_parse_dt()
564 phy_dbg(3, phy, in cal_camerarx_parse_dt()
570 phy->source_ep_node = of_graph_get_remote_endpoint(ep_node); in cal_camerarx_parse_dt()
571 phy->source_node = of_graph_get_port_parent(phy->source_ep_node); in cal_camerarx_parse_dt()
572 if (!phy->source_node) { in cal_camerarx_parse_dt()
573 phy_dbg(3, phy, "Can't get remote parent\n"); in cal_camerarx_parse_dt()
574 of_node_put(phy->source_ep_node); in cal_camerarx_parse_dt()
579 phy_dbg(1, phy, "Found connected device %pOFn\n", phy->source_node); in cal_camerarx_parse_dt()
597 cal_camerarx_get_pad_format(struct cal_camerarx *phy, in cal_camerarx_get_pad_format() argument
603 return v4l2_subdev_get_try_format(&phy->subdev, sd_state, pad); in cal_camerarx_get_pad_format()
605 return &phy->formats[pad]; in cal_camerarx_get_pad_format()
613 struct cal_camerarx *phy = to_cal_camerarx(sd); in cal_camerarx_sd_s_stream() local
616 mutex_lock(&phy->mutex); in cal_camerarx_sd_s_stream()
619 ret = cal_camerarx_start(phy); in cal_camerarx_sd_s_stream()
621 cal_camerarx_stop(phy); in cal_camerarx_sd_s_stream()
623 mutex_unlock(&phy->mutex); in cal_camerarx_sd_s_stream()
632 struct cal_camerarx *phy = to_cal_camerarx(sd); in cal_camerarx_sd_enum_mbus_code() local
635 mutex_lock(&phy->mutex); in cal_camerarx_sd_enum_mbus_code()
646 fmt = cal_camerarx_get_pad_format(phy, sd_state, in cal_camerarx_sd_enum_mbus_code()
660 mutex_unlock(&phy->mutex); in cal_camerarx_sd_enum_mbus_code()
669 struct cal_camerarx *phy = to_cal_camerarx(sd); in cal_camerarx_sd_enum_frame_size() local
676 mutex_lock(&phy->mutex); in cal_camerarx_sd_enum_frame_size()
682 fmt = cal_camerarx_get_pad_format(phy, sd_state, in cal_camerarx_sd_enum_frame_size()
708 mutex_unlock(&phy->mutex); in cal_camerarx_sd_enum_frame_size()
717 struct cal_camerarx *phy = to_cal_camerarx(sd); in cal_camerarx_sd_get_fmt() local
720 mutex_lock(&phy->mutex); in cal_camerarx_sd_get_fmt()
722 fmt = cal_camerarx_get_pad_format(phy, sd_state, format->pad, in cal_camerarx_sd_get_fmt()
726 mutex_unlock(&phy->mutex); in cal_camerarx_sd_get_fmt()
735 struct cal_camerarx *phy = to_cal_camerarx(sd); in cal_camerarx_sd_set_fmt() local
766 mutex_lock(&phy->mutex); in cal_camerarx_sd_set_fmt()
768 fmt = cal_camerarx_get_pad_format(phy, sd_state, in cal_camerarx_sd_set_fmt()
773 fmt = cal_camerarx_get_pad_format(phy, sd_state, in cal_camerarx_sd_set_fmt()
778 mutex_unlock(&phy->mutex); in cal_camerarx_sd_set_fmt()
835 struct cal_camerarx *phy; in cal_camerarx_create() local
840 phy = kzalloc(sizeof(*phy), GFP_KERNEL); in cal_camerarx_create()
841 if (!phy) in cal_camerarx_create()
844 phy->cal = cal; in cal_camerarx_create()
845 phy->instance = instance; in cal_camerarx_create()
847 mutex_init(&phy->mutex); in cal_camerarx_create()
849 phy->res = platform_get_resource_byname(pdev, IORESOURCE_MEM, in cal_camerarx_create()
853 phy->base = devm_ioremap_resource(cal->dev, phy->res); in cal_camerarx_create()
854 if (IS_ERR(phy->base)) { in cal_camerarx_create()
856 ret = PTR_ERR(phy->base); in cal_camerarx_create()
861 phy->res->name, &phy->res->start, &phy->res->end); in cal_camerarx_create()
863 ret = cal_camerarx_regmap_init(cal, phy); in cal_camerarx_create()
867 ret = cal_camerarx_parse_dt(phy); in cal_camerarx_create()
872 sd = &phy->subdev; in cal_camerarx_create()
879 phy->pads[CAL_CAMERARX_PAD_SINK].flags = MEDIA_PAD_FL_SINK; in cal_camerarx_create()
881 phy->pads[i].flags = MEDIA_PAD_FL_SOURCE; in cal_camerarx_create()
883 ret = media_entity_pads_init(&sd->entity, ARRAY_SIZE(phy->pads), in cal_camerarx_create()
884 phy->pads); in cal_camerarx_create()
896 return phy; in cal_camerarx_create()
899 media_entity_cleanup(&phy->subdev.entity); in cal_camerarx_create()
900 kfree(phy); in cal_camerarx_create()
904 void cal_camerarx_destroy(struct cal_camerarx *phy) in cal_camerarx_destroy() argument
906 if (!phy) in cal_camerarx_destroy()
909 v4l2_device_unregister_subdev(&phy->subdev); in cal_camerarx_destroy()
910 media_entity_cleanup(&phy->subdev.entity); in cal_camerarx_destroy()
911 of_node_put(phy->source_ep_node); in cal_camerarx_destroy()
912 of_node_put(phy->source_node); in cal_camerarx_destroy()
913 mutex_destroy(&phy->mutex); in cal_camerarx_destroy()
914 kfree(phy); in cal_camerarx_destroy()