Lines Matching full:tsa
3 * TSA driver
10 #include "tsa.h"
11 #include <dt-bindings/soc/cpm1-fsl,tsa.h>
12 #include <dt-bindings/soc/qe-fsl,tsa.h>
23 /* TSA SI RAM routing tables entry (CPM1) */
36 /* TSA SI RAM routing tables entry (QE) */
157 struct tsa { struct
180 static inline struct tsa *tsa_serial_get_tsa(struct tsa_serial *tsa_serial) in tsa_serial_get_tsa() argument
183 return container_of(tsa_serial, struct tsa, serials[tsa_serial->id]); in tsa_serial_get_tsa()
226 static bool tsa_is_qe(const struct tsa *tsa) in tsa_is_qe() argument
229 return tsa->version == TSA_QE; in tsa_is_qe()
236 struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); in tsa_qe_serial_get_num() local
248 dev_err(tsa->dev, "Unsupported serial id %u\n", tsa_serial->id); in tsa_qe_serial_get_num()
254 struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); in tsa_serial_get_num() local
257 * There is no need to get the serial num out of the TSA driver in the in tsa_serial_get_num()
263 return tsa_is_qe(tsa) ? tsa_qe_serial_get_num(tsa_serial) : -EOPNOTSUPP; in tsa_serial_get_num()
269 struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); in tsa_cpm1_serial_connect() local
288 dev_err(tsa->dev, "Unsupported serial id %u\n", tsa_serial->id); in tsa_cpm1_serial_connect()
292 spin_lock_irqsave(&tsa->lock, flags); in tsa_cpm1_serial_connect()
293 tsa_clrsetbits32(tsa->si_regs + TSA_CPM1_SICR, clear, in tsa_cpm1_serial_connect()
295 spin_unlock_irqrestore(&tsa->lock, flags); in tsa_cpm1_serial_connect()
302 struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); in tsa_qe_serial_connect() local
311 spin_lock_irqsave(&tsa->lock, flags); in tsa_qe_serial_connect()
313 spin_unlock_irqrestore(&tsa->lock, flags); in tsa_qe_serial_connect()
315 dev_err(tsa->dev, "Connect serial id %u to TSA failed (%d)\n", in tsa_qe_serial_connect()
324 struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); in tsa_serial_connect() local
326 return tsa_is_qe(tsa) ? in tsa_serial_connect()
334 struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); in tsa_serial_disconnect() local
336 return tsa_is_qe(tsa) ? in tsa_serial_disconnect()
349 static void tsa_cpm1_init_entries_area(struct tsa *tsa, struct tsa_entries_area *area, in tsa_cpm1_init_entries_area() argument
355 quarter = tsa->si_ram_sz / 4; in tsa_cpm1_init_entries_area()
356 half = tsa->si_ram_sz / 2; in tsa_cpm1_init_entries_area()
362 area->entries_start = tsa->si_ram; in tsa_cpm1_init_entries_area()
367 area->entries_start = tsa->si_ram + half; in tsa_cpm1_init_entries_area()
376 area->entries_start = tsa->si_ram; in tsa_cpm1_init_entries_area()
381 area->entries_start = tsa->si_ram + (2 * quarter); in tsa_cpm1_init_entries_area()
388 area->entries_start = tsa->si_ram + quarter; in tsa_cpm1_init_entries_area()
393 area->entries_start = tsa->si_ram + (3 * quarter); in tsa_cpm1_init_entries_area()
401 static void tsa_qe_init_entries_area(struct tsa *tsa, struct tsa_entries_area *area, in tsa_qe_init_entries_area() argument
407 eighth = tsa->si_ram_sz / 8; in tsa_qe_init_entries_area()
408 half = tsa->si_ram_sz / 2; in tsa_qe_init_entries_area()
416 area->entries_start = tsa->si_ram + half + (eighth * tdm_id); in tsa_qe_init_entries_area()
421 area->entries_start = tsa->si_ram + (eighth * tdm_id); in tsa_qe_init_entries_area()
427 static void tsa_init_entries_area(struct tsa *tsa, struct tsa_entries_area *area, in tsa_init_entries_area() argument
430 if (tsa_is_qe(tsa)) in tsa_init_entries_area()
431 tsa_qe_init_entries_area(tsa, area, tdms, tdm_id, is_rx); in tsa_init_entries_area()
433 tsa_cpm1_init_entries_area(tsa, area, tdms, tdm_id, is_rx); in tsa_init_entries_area()
436 static const char *tsa_cpm1_serial_id2name(struct tsa *tsa, u32 serial_id) in tsa_cpm1_serial_id2name() argument
451 static const char *tsa_qe_serial_id2name(struct tsa *tsa, u32 serial_id) in tsa_qe_serial_id2name() argument
466 static const char *tsa_serial_id2name(struct tsa *tsa, u32 serial_id) in tsa_serial_id2name() argument
468 return tsa_is_qe(tsa) ? in tsa_serial_id2name()
469 tsa_qe_serial_id2name(tsa, serial_id) : in tsa_serial_id2name()
470 tsa_cpm1_serial_id2name(tsa, serial_id); in tsa_serial_id2name()
473 static u32 tsa_cpm1_serial_id2csel(struct tsa *tsa, u32 serial_id) in tsa_cpm1_serial_id2csel() argument
487 static int tsa_cpm1_add_entry(struct tsa *tsa, struct tsa_entries_area *area, in tsa_cpm1_add_entry() argument
500 dev_err(tsa->dev, "si ram area full\n"); in tsa_cpm1_add_entry()
511 val = TSA_CPM1_SIRAM_ENTRY_BYTE | tsa_cpm1_serial_id2csel(tsa, serial_id); in tsa_cpm1_add_entry()
530 static u32 tsa_qe_serial_id2csel(struct tsa *tsa, u32 serial_id) in tsa_qe_serial_id2csel() argument
544 static int tsa_qe_add_entry(struct tsa *tsa, struct tsa_entries_area *area, in tsa_qe_add_entry() argument
557 dev_err(tsa->dev, "si ram area full\n"); in tsa_qe_add_entry()
568 val = TSA_QE_SIRAM_ENTRY_BYTE | tsa_qe_serial_id2csel(tsa, serial_id); in tsa_qe_add_entry()
587 static int tsa_add_entry(struct tsa *tsa, struct tsa_entries_area *area, in tsa_add_entry() argument
590 return tsa_is_qe(tsa) ? in tsa_add_entry()
591 tsa_qe_add_entry(tsa, area, count, serial_id) : in tsa_add_entry()
592 tsa_cpm1_add_entry(tsa, area, count, serial_id); in tsa_add_entry()
595 static int tsa_of_parse_tdm_route(struct tsa *tsa, struct device_node *tdm_np, in tsa_of_parse_tdm_route() argument
613 dev_err(tsa->dev, "%pOF: failed to read %s\n", tdm_np, route_name); in tsa_of_parse_tdm_route()
617 dev_err(tsa->dev, "%pOF: wrong %s format\n", tdm_np, route_name); in tsa_of_parse_tdm_route()
621 tsa_init_entries_area(tsa, &area, tdms, tdm_id, is_rx); in tsa_of_parse_tdm_route()
627 if (serial_id >= ARRAY_SIZE(tsa->serials)) { in tsa_of_parse_tdm_route()
628 dev_err(tsa->dev, "%pOF: invalid serial id (%u)\n", in tsa_of_parse_tdm_route()
633 serial_name = tsa_serial_id2name(tsa, serial_id); in tsa_of_parse_tdm_route()
635 dev_err(tsa->dev, "%pOF: unsupported serial id (%u)\n", in tsa_of_parse_tdm_route()
640 dev_dbg(tsa->dev, "tdm_id=%u, %s ts %u..%u -> %s\n", in tsa_of_parse_tdm_route()
644 ret = tsa_add_entry(tsa, &area, count, serial_id); in tsa_of_parse_tdm_route()
648 serial_info = &tsa->serials[serial_id].info; in tsa_of_parse_tdm_route()
649 tdm = &tsa->tdm[tdm_id]; in tsa_of_parse_tdm_route()
667 static inline int tsa_of_parse_tdm_rx_route(struct tsa *tsa, in tsa_of_parse_tdm_rx_route() argument
671 return tsa_of_parse_tdm_route(tsa, tdm_np, tdms, tdm_id, true); in tsa_of_parse_tdm_rx_route()
674 static inline int tsa_of_parse_tdm_tx_route(struct tsa *tsa, in tsa_of_parse_tdm_tx_route() argument
678 return tsa_of_parse_tdm_route(tsa, tdm_np, tdms, tdm_id, false); in tsa_of_parse_tdm_tx_route()
681 static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np) in tsa_of_parse_tdms() argument
689 tsa->tdms = 0; in tsa_of_parse_tdms()
690 for (i = 0; i < ARRAY_SIZE(tsa->tdm); i++) in tsa_of_parse_tdms()
691 tsa->tdm[i].is_enable = false; in tsa_of_parse_tdms()
696 dev_err(tsa->dev, "%pOF: failed to read reg\n", tdm_np); in tsa_of_parse_tdms()
701 tsa->tdms |= BIT(TSA_TDMA); in tsa_of_parse_tdms()
704 tsa->tdms |= BIT(TSA_TDMB); in tsa_of_parse_tdms()
707 if (!tsa_is_qe(tsa)) in tsa_of_parse_tdms()
709 tsa->tdms |= BIT(TSA_TDMC); in tsa_of_parse_tdms()
712 if (!tsa_is_qe(tsa)) in tsa_of_parse_tdms()
714 tsa->tdms |= BIT(TSA_TDMD); in tsa_of_parse_tdms()
718 dev_err(tsa->dev, "%pOF: Invalid tdm_id (%u)\n", tdm_np, in tsa_of_parse_tdms()
727 dev_err(tsa->dev, "%pOF: failed to read reg\n", tdm_np); in tsa_of_parse_tdms()
731 tdm = &tsa->tdm[tdm_id]; in tsa_of_parse_tdms()
738 dev_err(tsa->dev, in tsa_of_parse_tdms()
744 dev_err(tsa->dev, in tsa_of_parse_tdms()
755 dev_err(tsa->dev, in tsa_of_parse_tdms()
761 dev_err(tsa->dev, in tsa_of_parse_tdms()
777 if (tsa_is_qe(tsa) && in tsa_of_parse_tdms()
784 clk = of_clk_get_by_name(tdm_np, tsa_is_qe(tsa) ? "rsync" : "l1rsync"); in tsa_of_parse_tdms()
796 clk = of_clk_get_by_name(tdm_np, tsa_is_qe(tsa) ? "rclk" : "l1rclk"); in tsa_of_parse_tdms()
809 clk = of_clk_get_by_name(tdm_np, tsa_is_qe(tsa) ? "tsync" : "l1tsync"); in tsa_of_parse_tdms()
821 clk = of_clk_get_by_name(tdm_np, tsa_is_qe(tsa) ? "tclk" : "l1tclk"); in tsa_of_parse_tdms()
834 if (tsa_is_qe(tsa)) { in tsa_of_parse_tdms()
836 * The starting address for TSA table must be set. in tsa_of_parse_tdms()
845 ret = tsa_of_parse_tdm_rx_route(tsa, tdm_np, tsa->tdms, tdm_id); in tsa_of_parse_tdms()
849 ret = tsa_of_parse_tdm_tx_route(tsa, tdm_np, tsa->tdms, tdm_id); in tsa_of_parse_tdms()
858 for (i = 0; i < ARRAY_SIZE(tsa->tdm); i++) { in tsa_of_parse_tdms()
859 if (tsa->tdm[i].l1rsync_clk) { in tsa_of_parse_tdms()
860 clk_disable_unprepare(tsa->tdm[i].l1rsync_clk); in tsa_of_parse_tdms()
861 clk_put(tsa->tdm[i].l1rsync_clk); in tsa_of_parse_tdms()
863 if (tsa->tdm[i].l1rclk_clk) { in tsa_of_parse_tdms()
864 clk_disable_unprepare(tsa->tdm[i].l1rclk_clk); in tsa_of_parse_tdms()
865 clk_put(tsa->tdm[i].l1rclk_clk); in tsa_of_parse_tdms()
867 if (tsa->tdm[i].l1tsync_clk) { in tsa_of_parse_tdms()
868 clk_disable_unprepare(tsa->tdm[i].l1rsync_clk); in tsa_of_parse_tdms()
869 clk_put(tsa->tdm[i].l1rsync_clk); in tsa_of_parse_tdms()
871 if (tsa->tdm[i].l1tclk_clk) { in tsa_of_parse_tdms()
872 clk_disable_unprepare(tsa->tdm[i].l1rclk_clk); in tsa_of_parse_tdms()
873 clk_put(tsa->tdm[i].l1rclk_clk); in tsa_of_parse_tdms()
879 static void tsa_init_si_ram(struct tsa *tsa) in tsa_init_si_ram() argument
884 if (tsa_is_qe(tsa)) { in tsa_init_si_ram()
885 for (i = 0; i < tsa->si_ram_sz; i += 2) in tsa_init_si_ram()
886 tsa_write16(tsa->si_ram + i, TSA_QE_SIRAM_ENTRY_LAST); in tsa_init_si_ram()
888 for (i = 0; i < tsa->si_ram_sz; i += 4) in tsa_init_si_ram()
889 tsa_write32(tsa->si_ram + i, TSA_CPM1_SIRAM_ENTRY_LAST); in tsa_init_si_ram()
893 static int tsa_cpm1_setup(struct tsa *tsa) in tsa_cpm1_setup() argument
899 if (tsa->tdm[0].is_enable) in tsa_cpm1_setup()
900 val |= TSA_CPM1_SIMODE_TDMA(tsa->tdm[0].simode_tdm); in tsa_cpm1_setup()
901 if (tsa->tdm[1].is_enable) in tsa_cpm1_setup()
902 val |= TSA_CPM1_SIMODE_TDMB(tsa->tdm[1].simode_tdm); in tsa_cpm1_setup()
904 tsa_clrsetbits32(tsa->si_regs + TSA_CPM1_SIMODE, in tsa_cpm1_setup()
910 val = (tsa->tdms == BIT(TSA_TDMA)) ? in tsa_cpm1_setup()
912 if (tsa->tdms & BIT(TSA_TDMA)) in tsa_cpm1_setup()
914 if (tsa->tdms & BIT(TSA_TDMB)) in tsa_cpm1_setup()
916 tsa_write8(tsa->si_regs + TSA_CPM1_SIGMR, val); in tsa_cpm1_setup()
921 static int tsa_qe_setup(struct tsa *tsa) in tsa_qe_setup() argument
927 for (i = 0; i < ARRAY_SIZE(tsa->tdm); i++) { in tsa_qe_setup()
928 if (!tsa->tdm[i].is_enable) in tsa_qe_setup()
953 tsa_write16(tsa->si_regs + sixmr, tsa->tdm[i].simode_tdm); in tsa_qe_setup()
957 tsa_write8(tsa->si_regs + TSA_QE_SIGLMRH, siglmrh); in tsa_qe_setup()
962 static int tsa_setup(struct tsa *tsa) in tsa_setup() argument
964 return tsa_is_qe(tsa) ? tsa_qe_setup(tsa) : tsa_cpm1_setup(tsa); in tsa_setup()
971 struct tsa *tsa; in tsa_probe() local
975 tsa = devm_kzalloc(&pdev->dev, sizeof(*tsa), GFP_KERNEL); in tsa_probe()
976 if (!tsa) in tsa_probe()
979 tsa->dev = &pdev->dev; in tsa_probe()
980 tsa->version = (enum tsa_version)(uintptr_t)of_device_get_match_data(&pdev->dev); in tsa_probe()
981 switch (tsa->version) { in tsa_probe()
983 dev_info(tsa->dev, "CPM1 version\n"); in tsa_probe()
986 dev_info(tsa->dev, "QE version\n"); in tsa_probe()
989 dev_err(tsa->dev, "Unknown version (%d)\n", tsa->version); in tsa_probe()
993 for (i = 0; i < ARRAY_SIZE(tsa->serials); i++) in tsa_probe()
994 tsa->serials[i].id = i; in tsa_probe()
996 spin_lock_init(&tsa->lock); in tsa_probe()
998 tsa->si_regs = devm_platform_ioremap_resource_byname(pdev, "si_regs"); in tsa_probe()
999 if (IS_ERR(tsa->si_regs)) in tsa_probe()
1000 return PTR_ERR(tsa->si_regs); in tsa_probe()
1004 dev_err(tsa->dev, "si_ram resource missing\n"); in tsa_probe()
1007 tsa->si_ram_sz = resource_size(res); in tsa_probe()
1008 tsa->si_ram = devm_ioremap_resource(&pdev->dev, res); in tsa_probe()
1009 if (IS_ERR(tsa->si_ram)) in tsa_probe()
1010 return PTR_ERR(tsa->si_ram); in tsa_probe()
1012 tsa_init_si_ram(tsa); in tsa_probe()
1014 ret = tsa_of_parse_tdms(tsa, np); in tsa_probe()
1018 ret = tsa_setup(tsa); in tsa_probe()
1022 platform_set_drvdata(pdev, tsa); in tsa_probe()
1029 struct tsa *tsa = platform_get_drvdata(pdev); in tsa_remove() local
1032 for (i = 0; i < ARRAY_SIZE(tsa->tdm); i++) { in tsa_remove()
1033 if (tsa->tdm[i].l1rsync_clk) { in tsa_remove()
1034 clk_disable_unprepare(tsa->tdm[i].l1rsync_clk); in tsa_remove()
1035 clk_put(tsa->tdm[i].l1rsync_clk); in tsa_remove()
1037 if (tsa->tdm[i].l1rclk_clk) { in tsa_remove()
1038 clk_disable_unprepare(tsa->tdm[i].l1rclk_clk); in tsa_remove()
1039 clk_put(tsa->tdm[i].l1rclk_clk); in tsa_remove()
1041 if (tsa->tdm[i].l1tsync_clk) { in tsa_remove()
1042 clk_disable_unprepare(tsa->tdm[i].l1rsync_clk); in tsa_remove()
1043 clk_put(tsa->tdm[i].l1rsync_clk); in tsa_remove()
1045 if (tsa->tdm[i].l1tclk_clk) { in tsa_remove()
1046 clk_disable_unprepare(tsa->tdm[i].l1rclk_clk); in tsa_remove()
1047 clk_put(tsa->tdm[i].l1rclk_clk); in tsa_remove()
1054 { .compatible = "fsl,cpm1-tsa", .data = (void *)TSA_CPM1 },
1057 { .compatible = "fsl,qe-tsa", .data = (void *)TSA_QE },
1065 .name = "fsl-tsa",
1079 struct tsa *tsa; in tsa_serial_get_byphandle() local
1096 tsa = platform_get_drvdata(pdev); in tsa_serial_get_byphandle()
1097 if (!tsa) { in tsa_serial_get_byphandle()
1107 if (out_args.args[0] >= ARRAY_SIZE(tsa->serials)) { in tsa_serial_get_byphandle()
1112 tsa_serial = &tsa->serials[out_args.args[0]]; in tsa_serial_get_byphandle()
1130 struct tsa *tsa = tsa_serial_get_tsa(tsa_serial); in tsa_serial_put() local
1132 put_device(tsa->dev); in tsa_serial_put()
1167 MODULE_DESCRIPTION("CPM/QE TSA driver");