Lines Matching refs:cd
70 static int cyttsp4_load_status_regs(struct cyttsp4 *cd) in cyttsp4_load_status_regs() argument
72 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_load_status_regs()
73 struct device *dev = cd->dev; in cyttsp4_load_status_regs()
76 rc = cyttsp4_adap_read(cd, CY_REG_BASE, si->si_ofs.mode_size, in cyttsp4_load_status_regs()
82 cyttsp4_pr_buf(dev, cd->pr_buf, si->xy_mode, in cyttsp4_load_status_regs()
88 static int cyttsp4_handshake(struct cyttsp4 *cd, u8 mode) in cyttsp4_handshake() argument
100 rc = cyttsp4_adap_write(cd, CY_REG_BASE, sizeof(cmd), &cmd); in cyttsp4_handshake()
102 dev_err(cd->dev, "%s: bus write fail on handshake (ret=%d)\n", in cyttsp4_handshake()
108 static int cyttsp4_hw_soft_reset(struct cyttsp4 *cd) in cyttsp4_hw_soft_reset() argument
111 int rc = cyttsp4_adap_write(cd, CY_REG_BASE, sizeof(cmd), &cmd); in cyttsp4_hw_soft_reset()
113 dev_err(cd->dev, "%s: FAILED to execute SOFT reset\n", in cyttsp4_hw_soft_reset()
120 static int cyttsp4_hw_hard_reset(struct cyttsp4 *cd) in cyttsp4_hw_hard_reset() argument
122 if (cd->cpdata->xres) { in cyttsp4_hw_hard_reset()
123 cd->cpdata->xres(cd->cpdata, cd->dev); in cyttsp4_hw_hard_reset()
124 dev_dbg(cd->dev, "%s: execute HARD reset\n", __func__); in cyttsp4_hw_hard_reset()
127 dev_err(cd->dev, "%s: FAILED to execute HARD reset\n", __func__); in cyttsp4_hw_hard_reset()
131 static int cyttsp4_hw_reset(struct cyttsp4 *cd) in cyttsp4_hw_reset() argument
133 int rc = cyttsp4_hw_hard_reset(cd); in cyttsp4_hw_reset()
135 rc = cyttsp4_hw_soft_reset(cd); in cyttsp4_hw_reset()
150 static int cyttsp4_si_data_offsets(struct cyttsp4 *cd) in cyttsp4_si_data_offsets() argument
152 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_si_data_offsets()
153 int rc = cyttsp4_adap_read(cd, CY_REG_BASE, sizeof(si->si_data), in cyttsp4_si_data_offsets()
156 dev_err(cd->dev, "%s: fail read sysinfo data offsets r=%d\n", in cyttsp4_si_data_offsets()
162 cyttsp4_pr_buf(cd->dev, cd->pr_buf, (u8 *)&si->si_data, in cyttsp4_si_data_offsets()
186 static int cyttsp4_si_get_cydata(struct cyttsp4 *cd) in cyttsp4_si_get_cydata() argument
188 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_si_get_cydata()
195 dev_err(cd->dev, in cyttsp4_si_get_cydata()
202 dev_dbg(cd->dev, "%s: cydata size: %zd\n", __func__, in cyttsp4_si_get_cydata()
207 dev_err(cd->dev, "%s: failed to allocate cydata memory\n", in cyttsp4_si_get_cydata()
216 rc = cyttsp4_adap_read(cd, read_offset, in cyttsp4_si_get_cydata()
221 dev_err(cd->dev, "%s: fail read cydata r=%d\n", in cyttsp4_si_get_cydata()
230 dev_err(cd->dev, "%s: mismatch in MFGID size, reported:%d calculated:%d\n", in cyttsp4_si_get_cydata()
239 rc = cyttsp4_adap_read(cd, read_offset, si->si_ptrs.cydata->mfgid_sz, in cyttsp4_si_get_cydata()
242 dev_err(cd->dev, "%s: fail read cydata r=%d\n", in cyttsp4_si_get_cydata()
250 rc = cyttsp4_adap_read(cd, read_offset, in cyttsp4_si_get_cydata()
255 dev_err(cd->dev, "%s: fail read cydata r=%d\n", in cyttsp4_si_get_cydata()
260 cyttsp4_pr_buf(cd->dev, cd->pr_buf, (u8 *)si->si_ptrs.cydata, in cyttsp4_si_get_cydata()
265 static int cyttsp4_si_get_test_data(struct cyttsp4 *cd) in cyttsp4_si_get_test_data() argument
267 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_si_get_test_data()
272 dev_err(cd->dev, in cyttsp4_si_get_test_data()
282 dev_err(cd->dev, "%s: failed to allocate test memory\n", in cyttsp4_si_get_test_data()
288 rc = cyttsp4_adap_read(cd, si->si_ofs.test_ofs, si->si_ofs.test_size, in cyttsp4_si_get_test_data()
291 dev_err(cd->dev, "%s: fail read test data r=%d\n", in cyttsp4_si_get_test_data()
296 cyttsp4_pr_buf(cd->dev, cd->pr_buf, in cyttsp4_si_get_test_data()
301 dev_info(cd->dev, "%s: %s codel=%02X\n", in cyttsp4_si_get_test_data()
307 dev_info(cd->dev, "%s: %s codel=%02X\n", __func__, in cyttsp4_si_get_test_data()
313 dev_info(cd->dev, "%s: %s codel=%02X\n", in cyttsp4_si_get_test_data()
317 dev_info(cd->dev, "%s: SCANNING is %s codel=%02X\n", in cyttsp4_si_get_test_data()
324 static int cyttsp4_si_get_pcfg_data(struct cyttsp4 *cd) in cyttsp4_si_get_pcfg_data() argument
326 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_si_get_pcfg_data()
331 dev_err(cd->dev, in cyttsp4_si_get_pcfg_data()
341 dev_err(cd->dev, "%s: failed to allocate pcfg memory\n", in cyttsp4_si_get_pcfg_data()
347 rc = cyttsp4_adap_read(cd, si->si_ofs.pcfg_ofs, si->si_ofs.pcfg_size, in cyttsp4_si_get_pcfg_data()
350 dev_err(cd->dev, "%s: fail read pcfg data r=%d\n", in cyttsp4_si_get_pcfg_data()
366 cyttsp4_pr_buf(cd->dev, cd->pr_buf, in cyttsp4_si_get_pcfg_data()
372 static int cyttsp4_si_get_opcfg_data(struct cyttsp4 *cd) in cyttsp4_si_get_opcfg_data() argument
374 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_si_get_opcfg_data()
383 dev_err(cd->dev, in cyttsp4_si_get_opcfg_data()
393 dev_err(cd->dev, "%s: failed to allocate opcfg memory\n", in cyttsp4_si_get_opcfg_data()
399 rc = cyttsp4_adap_read(cd, si->si_ofs.opcfg_ofs, si->si_ofs.opcfg_size, in cyttsp4_si_get_opcfg_data()
402 dev_err(cd->dev, "%s: fail read opcfg data r=%d\n", in cyttsp4_si_get_opcfg_data()
450 dev_dbg(cd->dev, "%s: tch_rec_%s\n", __func__, in cyttsp4_si_get_opcfg_data()
452 dev_dbg(cd->dev, "%s: ofs =%2zd\n", __func__, in cyttsp4_si_get_opcfg_data()
454 dev_dbg(cd->dev, "%s: siz =%2zd\n", __func__, in cyttsp4_si_get_opcfg_data()
456 dev_dbg(cd->dev, "%s: max =%2zd\n", __func__, in cyttsp4_si_get_opcfg_data()
458 dev_dbg(cd->dev, "%s: bofs=%2zd\n", __func__, in cyttsp4_si_get_opcfg_data()
466 cyttsp4_pr_buf(cd->dev, cd->pr_buf, (u8 *)si->si_ptrs.opcfg, in cyttsp4_si_get_opcfg_data()
472 static int cyttsp4_si_get_ddata(struct cyttsp4 *cd) in cyttsp4_si_get_ddata() argument
474 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_si_get_ddata()
482 dev_err(cd->dev, "%s: fail alloc ddata memory\n", __func__); in cyttsp4_si_get_ddata()
487 rc = cyttsp4_adap_read(cd, si->si_ofs.ddata_ofs, si->si_ofs.ddata_size, in cyttsp4_si_get_ddata()
490 dev_err(cd->dev, "%s: fail read ddata data r=%d\n", in cyttsp4_si_get_ddata()
493 cyttsp4_pr_buf(cd->dev, cd->pr_buf, in cyttsp4_si_get_ddata()
499 static int cyttsp4_si_get_mdata(struct cyttsp4 *cd) in cyttsp4_si_get_mdata() argument
501 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_si_get_mdata()
509 dev_err(cd->dev, "%s: fail alloc mdata memory\n", __func__); in cyttsp4_si_get_mdata()
514 rc = cyttsp4_adap_read(cd, si->si_ofs.mdata_ofs, si->si_ofs.mdata_size, in cyttsp4_si_get_mdata()
517 dev_err(cd->dev, "%s: fail read mdata data r=%d\n", in cyttsp4_si_get_mdata()
520 cyttsp4_pr_buf(cd->dev, cd->pr_buf, in cyttsp4_si_get_mdata()
526 static int cyttsp4_si_get_btn_data(struct cyttsp4 *cd) in cyttsp4_si_get_btn_data() argument
528 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_si_get_btn_data()
542 dev_err(cd->dev, "%s: %s\n", __func__, in cyttsp4_si_get_btn_data()
548 if (cd->cpdata->sett[CY_IC_GRPNUM_BTN_KEYS] == NULL) in cyttsp4_si_get_btn_data()
550 else if (cd->cpdata->sett[CY_IC_GRPNUM_BTN_KEYS]->data == NULL) in cyttsp4_si_get_btn_data()
553 num_defined_keys = cd->cpdata->sett in cyttsp4_si_get_btn_data()
558 key_table = (u16 *)cd->cpdata->sett in cyttsp4_si_get_btn_data()
579 static int cyttsp4_si_get_op_data_ptrs(struct cyttsp4 *cd) in cyttsp4_si_get_op_data_ptrs() argument
581 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_si_get_op_data_ptrs()
604 static void cyttsp4_si_put_log_data(struct cyttsp4 *cd) in cyttsp4_si_put_log_data() argument
606 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_si_put_log_data()
607 dev_dbg(cd->dev, "%s: cydata_ofs =%4zd siz=%4zd\n", __func__, in cyttsp4_si_put_log_data()
609 dev_dbg(cd->dev, "%s: test_ofs =%4zd siz=%4zd\n", __func__, in cyttsp4_si_put_log_data()
611 dev_dbg(cd->dev, "%s: pcfg_ofs =%4zd siz=%4zd\n", __func__, in cyttsp4_si_put_log_data()
613 dev_dbg(cd->dev, "%s: opcfg_ofs =%4zd siz=%4zd\n", __func__, in cyttsp4_si_put_log_data()
615 dev_dbg(cd->dev, "%s: ddata_ofs =%4zd siz=%4zd\n", __func__, in cyttsp4_si_put_log_data()
617 dev_dbg(cd->dev, "%s: mdata_ofs =%4zd siz=%4zd\n", __func__, in cyttsp4_si_put_log_data()
620 dev_dbg(cd->dev, "%s: cmd_ofs =%4zd\n", __func__, in cyttsp4_si_put_log_data()
622 dev_dbg(cd->dev, "%s: rep_ofs =%4zd\n", __func__, in cyttsp4_si_put_log_data()
624 dev_dbg(cd->dev, "%s: rep_sz =%4zd\n", __func__, in cyttsp4_si_put_log_data()
626 dev_dbg(cd->dev, "%s: num_btns =%4zd\n", __func__, in cyttsp4_si_put_log_data()
628 dev_dbg(cd->dev, "%s: num_btn_regs =%4zd\n", __func__, in cyttsp4_si_put_log_data()
630 dev_dbg(cd->dev, "%s: tt_stat_ofs =%4zd\n", __func__, in cyttsp4_si_put_log_data()
632 dev_dbg(cd->dev, "%s: tch_rec_size =%4zd\n", __func__, in cyttsp4_si_put_log_data()
634 dev_dbg(cd->dev, "%s: max_tchs =%4zd\n", __func__, in cyttsp4_si_put_log_data()
636 dev_dbg(cd->dev, "%s: mode_size =%4zd\n", __func__, in cyttsp4_si_put_log_data()
638 dev_dbg(cd->dev, "%s: data_size =%4zd\n", __func__, in cyttsp4_si_put_log_data()
640 dev_dbg(cd->dev, "%s: map_sz =%4zd\n", __func__, in cyttsp4_si_put_log_data()
643 dev_dbg(cd->dev, "%s: btn_rec_size =%2zd\n", __func__, in cyttsp4_si_put_log_data()
645 dev_dbg(cd->dev, "%s: btn_diff_ofs =%2zd\n", __func__, in cyttsp4_si_put_log_data()
647 dev_dbg(cd->dev, "%s: btn_diff_size =%2zd\n", __func__, in cyttsp4_si_put_log_data()
650 dev_dbg(cd->dev, "%s: max_x = 0x%04zX (%zd)\n", __func__, in cyttsp4_si_put_log_data()
652 dev_dbg(cd->dev, "%s: x_origin = %zd (%s)\n", __func__, in cyttsp4_si_put_log_data()
656 dev_dbg(cd->dev, "%s: max_y = 0x%04zX (%zd)\n", __func__, in cyttsp4_si_put_log_data()
658 dev_dbg(cd->dev, "%s: y_origin = %zd (%s)\n", __func__, in cyttsp4_si_put_log_data()
662 dev_dbg(cd->dev, "%s: max_p = 0x%04zX (%zd)\n", __func__, in cyttsp4_si_put_log_data()
665 dev_dbg(cd->dev, "%s: xy_mode=%p xy_data=%p\n", __func__, in cyttsp4_si_put_log_data()
669 static int cyttsp4_get_sysinfo_regs(struct cyttsp4 *cd) in cyttsp4_get_sysinfo_regs() argument
671 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_get_sysinfo_regs()
674 rc = cyttsp4_si_data_offsets(cd); in cyttsp4_get_sysinfo_regs()
678 rc = cyttsp4_si_get_cydata(cd); in cyttsp4_get_sysinfo_regs()
682 rc = cyttsp4_si_get_test_data(cd); in cyttsp4_get_sysinfo_regs()
686 rc = cyttsp4_si_get_pcfg_data(cd); in cyttsp4_get_sysinfo_regs()
690 rc = cyttsp4_si_get_opcfg_data(cd); in cyttsp4_get_sysinfo_regs()
694 rc = cyttsp4_si_get_ddata(cd); in cyttsp4_get_sysinfo_regs()
698 rc = cyttsp4_si_get_mdata(cd); in cyttsp4_get_sysinfo_regs()
702 rc = cyttsp4_si_get_btn_data(cd); in cyttsp4_get_sysinfo_regs()
706 rc = cyttsp4_si_get_op_data_ptrs(cd); in cyttsp4_get_sysinfo_regs()
708 dev_err(cd->dev, "%s: failed to get_op_data\n", in cyttsp4_get_sysinfo_regs()
713 cyttsp4_si_put_log_data(cd); in cyttsp4_get_sysinfo_regs()
716 rc = cyttsp4_handshake(cd, si->si_data.hst_mode); in cyttsp4_get_sysinfo_regs()
718 dev_err(cd->dev, "%s: handshake fail on sysinfo reg\n", in cyttsp4_get_sysinfo_regs()
725 static void cyttsp4_queue_startup_(struct cyttsp4 *cd) in cyttsp4_queue_startup_() argument
727 if (cd->startup_state == STARTUP_NONE) { in cyttsp4_queue_startup_()
728 cd->startup_state = STARTUP_QUEUED; in cyttsp4_queue_startup_()
729 schedule_work(&cd->startup_work); in cyttsp4_queue_startup_()
730 dev_dbg(cd->dev, "%s: cyttsp4_startup queued\n", __func__); in cyttsp4_queue_startup_()
732 dev_dbg(cd->dev, "%s: startup_state = %d\n", __func__, in cyttsp4_queue_startup_()
733 cd->startup_state); in cyttsp4_queue_startup_()
954 static int cyttsp4_xy_worker(struct cyttsp4 *cd) in cyttsp4_xy_worker() argument
956 struct cyttsp4_mt_data *md = &cd->md; in cyttsp4_xy_worker()
996 rc = cyttsp4_adap_read(cd, si->si_ofs.tt_stat_ofs + 1, in cyttsp4_xy_worker()
1007 cyttsp4_pr_buf(dev, cd->pr_buf, si->xy_data, num_cur_tch * in cyttsp4_xy_worker()
1040 static int cyttsp4_mt_attention(struct cyttsp4 *cd) in cyttsp4_mt_attention() argument
1042 struct device *dev = cd->dev; in cyttsp4_mt_attention()
1043 struct cyttsp4_mt_data *md = &cd->md; in cyttsp4_mt_attention()
1052 rc = cyttsp4_xy_worker(cd); in cyttsp4_mt_attention()
1066 struct cyttsp4 *cd = handle; in cyttsp4_irq() local
1067 struct device *dev = cd->dev; in cyttsp4_irq()
1069 u8 cmd_ofs = cd->sysinfo.si_ofs.cmd_ofs; in cyttsp4_irq()
1078 if (atomic_read(&cd->ignore_irq)) { in cyttsp4_irq()
1083 dev_dbg(dev, "%s int:0x%x\n", __func__, cd->int_status); in cyttsp4_irq()
1085 mutex_lock(&cd->system_lock); in cyttsp4_irq()
1088 if (cd->sleep_state == SS_SLEEP_ON || cd->sleep_state == SS_SLEEPING) in cyttsp4_irq()
1091 rc = cyttsp4_adap_read(cd, CY_REG_BASE, sizeof(mode), mode); in cyttsp4_irq()
1093 dev_err(cd->dev, "%s: Fail read adapter r=%d\n", __func__, rc); in cyttsp4_irq()
1102 if (cd->mode == CY_MODE_BOOTLOADER) { in cyttsp4_irq()
1104 wake_up(&cd->wait_q); in cyttsp4_irq()
1110 __func__, cd->mode, cur_mode); in cyttsp4_irq()
1113 if (cd->mode != CY_MODE_UNKNOWN) { in cyttsp4_irq()
1115 cd->mode = CY_MODE_UNKNOWN; in cyttsp4_irq()
1116 cyttsp4_queue_startup_(cd); in cyttsp4_irq()
1125 cd->mode = cur_mode; in cyttsp4_irq()
1151 if (cd->int_status & CY_INT_IGNORE) { in cyttsp4_irq()
1157 if (cd->int_status & CY_INT_AWAKE) { in cyttsp4_irq()
1158 cd->int_status &= ~CY_INT_AWAKE; in cyttsp4_irq()
1159 wake_up(&cd->wait_q); in cyttsp4_irq()
1165 if ((cd->int_status & CY_INT_MODE_CHANGE) in cyttsp4_irq()
1167 cd->int_status &= ~CY_INT_MODE_CHANGE; in cyttsp4_irq()
1169 __func__, cd->mode, cur_mode); in cyttsp4_irq()
1170 cd->mode = cur_mode; in cyttsp4_irq()
1171 wake_up(&cd->wait_q); in cyttsp4_irq()
1177 __func__, cd->mode, cur_mode); in cyttsp4_irq()
1178 if ((mode[0] & CY_HST_MODE_CHANGE) == 0 && cd->mode != cur_mode) { in cyttsp4_irq()
1180 dev_err(dev, "%s %d->%d 0x%x\n", __func__, cd->mode, in cyttsp4_irq()
1181 cur_mode, cd->int_status); in cyttsp4_irq()
1184 cyttsp4_queue_startup_(cd); in cyttsp4_irq()
1190 if ((cd->int_status & CY_INT_EXEC_CMD) in cyttsp4_irq()
1192 cd->int_status &= ~CY_INT_EXEC_CMD; in cyttsp4_irq()
1195 wake_up(&cd->wait_q); in cyttsp4_irq()
1204 if (cd->mode == CY_MODE_OPERATIONAL) { in cyttsp4_irq()
1206 rc = cyttsp4_load_status_regs(cd); in cyttsp4_irq()
1212 cyttsp4_mt_attention(cd); in cyttsp4_irq()
1218 rc = cyttsp4_handshake(cd, mode[0]); in cyttsp4_irq()
1228 udelay(cd->cpdata->level_irq_udelay); in cyttsp4_irq()
1231 mutex_unlock(&cd->system_lock); in cyttsp4_irq()
1235 static void cyttsp4_start_wd_timer(struct cyttsp4 *cd) in cyttsp4_start_wd_timer() argument
1240 mod_timer(&cd->watchdog_timer, jiffies + in cyttsp4_start_wd_timer()
1244 static void cyttsp4_stop_wd_timer(struct cyttsp4 *cd) in cyttsp4_stop_wd_timer() argument
1253 del_timer_sync(&cd->watchdog_timer); in cyttsp4_stop_wd_timer()
1254 cancel_work_sync(&cd->watchdog_work); in cyttsp4_stop_wd_timer()
1255 del_timer_sync(&cd->watchdog_timer); in cyttsp4_stop_wd_timer()
1260 struct cyttsp4 *cd = from_timer(cd, t, watchdog_timer); in cyttsp4_watchdog_timer() local
1262 dev_vdbg(cd->dev, "%s: Watchdog timer triggered\n", __func__); in cyttsp4_watchdog_timer()
1264 schedule_work(&cd->watchdog_work); in cyttsp4_watchdog_timer()
1269 static int cyttsp4_request_exclusive(struct cyttsp4 *cd, void *ownptr, in cyttsp4_request_exclusive() argument
1275 mutex_lock(&cd->system_lock); in cyttsp4_request_exclusive()
1276 if (!cd->exclusive_dev && cd->exclusive_waits == 0) { in cyttsp4_request_exclusive()
1277 cd->exclusive_dev = ownptr; in cyttsp4_request_exclusive()
1281 cd->exclusive_waits++; in cyttsp4_request_exclusive()
1283 mutex_unlock(&cd->system_lock); in cyttsp4_request_exclusive()
1285 t = wait_event_timeout(cd->wait_q, !cd->exclusive_dev, t); in cyttsp4_request_exclusive()
1287 dev_err(cd->dev, "%s: tmo waiting exclusive access\n", in cyttsp4_request_exclusive()
1289 mutex_lock(&cd->system_lock); in cyttsp4_request_exclusive()
1290 cd->exclusive_waits--; in cyttsp4_request_exclusive()
1291 mutex_unlock(&cd->system_lock); in cyttsp4_request_exclusive()
1295 wait_event(cd->wait_q, !cd->exclusive_dev); in cyttsp4_request_exclusive()
1297 mutex_lock(&cd->system_lock); in cyttsp4_request_exclusive()
1298 if (cd->exclusive_dev) in cyttsp4_request_exclusive()
1300 cd->exclusive_dev = ownptr; in cyttsp4_request_exclusive()
1301 cd->exclusive_waits--; in cyttsp4_request_exclusive()
1303 mutex_unlock(&cd->system_lock); in cyttsp4_request_exclusive()
1311 static int cyttsp4_release_exclusive(struct cyttsp4 *cd, void *ownptr) in cyttsp4_release_exclusive() argument
1313 mutex_lock(&cd->system_lock); in cyttsp4_release_exclusive()
1314 if (cd->exclusive_dev != ownptr) { in cyttsp4_release_exclusive()
1315 mutex_unlock(&cd->system_lock); in cyttsp4_release_exclusive()
1319 dev_vdbg(cd->dev, "%s: exclusive_dev %p freed\n", in cyttsp4_release_exclusive()
1320 __func__, cd->exclusive_dev); in cyttsp4_release_exclusive()
1321 cd->exclusive_dev = NULL; in cyttsp4_release_exclusive()
1322 wake_up(&cd->wait_q); in cyttsp4_release_exclusive()
1323 mutex_unlock(&cd->system_lock); in cyttsp4_release_exclusive()
1327 static int cyttsp4_wait_bl_heartbeat(struct cyttsp4 *cd) in cyttsp4_wait_bl_heartbeat() argument
1333 dev_vdbg(cd->dev, "%s: wait heartbeat...\n", __func__); in cyttsp4_wait_bl_heartbeat()
1334 t = wait_event_timeout(cd->wait_q, cd->mode == CY_MODE_BOOTLOADER, in cyttsp4_wait_bl_heartbeat()
1337 dev_err(cd->dev, "%s: tmo waiting bl heartbeat cd->mode=%d\n", in cyttsp4_wait_bl_heartbeat()
1338 __func__, cd->mode); in cyttsp4_wait_bl_heartbeat()
1345 static int cyttsp4_wait_sysinfo_mode(struct cyttsp4 *cd) in cyttsp4_wait_sysinfo_mode() argument
1349 dev_vdbg(cd->dev, "%s: wait sysinfo...\n", __func__); in cyttsp4_wait_sysinfo_mode()
1351 t = wait_event_timeout(cd->wait_q, cd->mode == CY_MODE_SYSINFO, in cyttsp4_wait_sysinfo_mode()
1354 dev_err(cd->dev, "%s: tmo waiting exit bl cd->mode=%d\n", in cyttsp4_wait_sysinfo_mode()
1355 __func__, cd->mode); in cyttsp4_wait_sysinfo_mode()
1356 mutex_lock(&cd->system_lock); in cyttsp4_wait_sysinfo_mode()
1357 cd->int_status &= ~CY_INT_MODE_CHANGE; in cyttsp4_wait_sysinfo_mode()
1358 mutex_unlock(&cd->system_lock); in cyttsp4_wait_sysinfo_mode()
1365 static int cyttsp4_reset_and_wait(struct cyttsp4 *cd) in cyttsp4_reset_and_wait() argument
1370 mutex_lock(&cd->system_lock); in cyttsp4_reset_and_wait()
1371 dev_dbg(cd->dev, "%s: reset hw...\n", __func__); in cyttsp4_reset_and_wait()
1372 rc = cyttsp4_hw_reset(cd); in cyttsp4_reset_and_wait()
1373 cd->mode = CY_MODE_UNKNOWN; in cyttsp4_reset_and_wait()
1374 mutex_unlock(&cd->system_lock); in cyttsp4_reset_and_wait()
1376 dev_err(cd->dev, "%s:Fail hw reset r=%d\n", __func__, rc); in cyttsp4_reset_and_wait()
1380 return cyttsp4_wait_bl_heartbeat(cd); in cyttsp4_reset_and_wait()
1387 static int cyttsp4_set_mode(struct cyttsp4 *cd, int new_mode) in cyttsp4_set_mode() argument
1405 dev_err(cd->dev, "%s: invalid mode: %02X(%d)\n", in cyttsp4_set_mode()
1411 dev_dbg(cd->dev, "%s: %s=%p new_dev_mode=%02X new_mode=%d\n", in cyttsp4_set_mode()
1412 __func__, "have exclusive", cd->exclusive_dev, in cyttsp4_set_mode()
1415 mutex_lock(&cd->system_lock); in cyttsp4_set_mode()
1416 rc = cyttsp4_adap_read(cd, CY_REG_BASE, sizeof(mode), &mode); in cyttsp4_set_mode()
1418 mutex_unlock(&cd->system_lock); in cyttsp4_set_mode()
1419 dev_err(cd->dev, "%s: Fail read mode r=%d\n", in cyttsp4_set_mode()
1428 cd->int_status |= CY_INT_MODE_CHANGE; in cyttsp4_set_mode()
1429 rc = cyttsp4_adap_write(cd, CY_REG_BASE, sizeof(mode), &mode); in cyttsp4_set_mode()
1430 mutex_unlock(&cd->system_lock); in cyttsp4_set_mode()
1432 dev_err(cd->dev, "%s: Fail write mode change r=%d\n", in cyttsp4_set_mode()
1438 t = wait_event_timeout(cd->wait_q, in cyttsp4_set_mode()
1439 (cd->int_status & CY_INT_MODE_CHANGE) == 0, in cyttsp4_set_mode()
1441 dev_dbg(cd->dev, "%s: back from wait t=%ld cd->mode=%d\n", in cyttsp4_set_mode()
1442 __func__, t, cd->mode); in cyttsp4_set_mode()
1445 dev_err(cd->dev, "%s: %s\n", __func__, in cyttsp4_set_mode()
1447 mutex_lock(&cd->system_lock); in cyttsp4_set_mode()
1448 cd->int_status &= ~CY_INT_MODE_CHANGE; in cyttsp4_set_mode()
1449 mutex_unlock(&cd->system_lock); in cyttsp4_set_mode()
1459 struct cyttsp4 *cd = in cyttsp4_watchdog_work() local
1464 mutex_lock(&cd->system_lock); in cyttsp4_watchdog_work()
1465 retval = cyttsp4_load_status_regs(cd); in cyttsp4_watchdog_work()
1467 dev_err(cd->dev, in cyttsp4_watchdog_work()
1470 cyttsp4_queue_startup_(cd); in cyttsp4_watchdog_work()
1473 mode = &cd->sysinfo.xy_mode[CY_REG_BASE]; in cyttsp4_watchdog_work()
1475 dev_err(cd->dev, in cyttsp4_watchdog_work()
1478 cyttsp4_queue_startup_(cd); in cyttsp4_watchdog_work()
1482 cyttsp4_start_wd_timer(cd); in cyttsp4_watchdog_work()
1484 mutex_unlock(&cd->system_lock); in cyttsp4_watchdog_work()
1488 static int cyttsp4_core_sleep_(struct cyttsp4 *cd) in cyttsp4_core_sleep_() argument
1496 mutex_lock(&cd->system_lock); in cyttsp4_core_sleep_()
1497 if (cd->sleep_state == SS_SLEEP_ON) { in cyttsp4_core_sleep_()
1498 mutex_unlock(&cd->system_lock); in cyttsp4_core_sleep_()
1501 cd->sleep_state = SS_SLEEPING; in cyttsp4_core_sleep_()
1502 mutex_unlock(&cd->system_lock); in cyttsp4_core_sleep_()
1504 cyttsp4_stop_wd_timer(cd); in cyttsp4_core_sleep_()
1507 disable_irq(cd->irq); in cyttsp4_core_sleep_()
1509 dev_vdbg(cd->dev, "%s: write DEEP SLEEP...\n", __func__); in cyttsp4_core_sleep_()
1510 mutex_lock(&cd->system_lock); in cyttsp4_core_sleep_()
1511 rc = cyttsp4_adap_read(cd, CY_REG_BASE, sizeof(mode), &mode); in cyttsp4_core_sleep_()
1513 mutex_unlock(&cd->system_lock); in cyttsp4_core_sleep_()
1514 dev_err(cd->dev, "%s: Fail read adapter r=%d\n", __func__, rc); in cyttsp4_core_sleep_()
1519 mutex_unlock(&cd->system_lock); in cyttsp4_core_sleep_()
1520 dev_err(cd->dev, "%s: Device in BOOTLOADER mode.\n", __func__); in cyttsp4_core_sleep_()
1526 rc = cyttsp4_adap_write(cd, CY_REG_BASE, sizeof(mode[0]), &mode[0]); in cyttsp4_core_sleep_()
1527 mutex_unlock(&cd->system_lock); in cyttsp4_core_sleep_()
1529 dev_err(cd->dev, "%s: Fail write adapter r=%d\n", __func__, rc); in cyttsp4_core_sleep_()
1532 dev_vdbg(cd->dev, "%s: write DEEP SLEEP succeeded\n", __func__); in cyttsp4_core_sleep_()
1534 if (cd->cpdata->power) { in cyttsp4_core_sleep_()
1535 dev_dbg(cd->dev, "%s: Power down HW\n", __func__); in cyttsp4_core_sleep_()
1536 rc = cd->cpdata->power(cd->cpdata, 0, cd->dev, &cd->ignore_irq); in cyttsp4_core_sleep_()
1538 dev_dbg(cd->dev, "%s: No power function\n", __func__); in cyttsp4_core_sleep_()
1542 dev_err(cd->dev, "%s: HW Power down fails r=%d\n", in cyttsp4_core_sleep_()
1555 cyttsp4_start_wd_timer(cd); in cyttsp4_core_sleep_()
1558 mutex_lock(&cd->system_lock); in cyttsp4_core_sleep_()
1559 cd->sleep_state = ss; in cyttsp4_core_sleep_()
1560 cd->int_status |= int_status; in cyttsp4_core_sleep_()
1561 mutex_unlock(&cd->system_lock); in cyttsp4_core_sleep_()
1562 enable_irq(cd->irq); in cyttsp4_core_sleep_()
1566 static int cyttsp4_startup_(struct cyttsp4 *cd) in cyttsp4_startup_() argument
1571 cyttsp4_stop_wd_timer(cd); in cyttsp4_startup_()
1575 dev_dbg(cd->dev, "%s: Retry %d\n", __func__, in cyttsp4_startup_()
1579 rc = cyttsp4_reset_and_wait(cd); in cyttsp4_startup_()
1581 dev_err(cd->dev, "%s: Error on h/w reset r=%d\n", __func__, rc); in cyttsp4_startup_()
1588 dev_vdbg(cd->dev, "%s: write exit ldr...\n", __func__); in cyttsp4_startup_()
1589 mutex_lock(&cd->system_lock); in cyttsp4_startup_()
1590 cd->int_status &= ~CY_INT_IGNORE; in cyttsp4_startup_()
1591 cd->int_status |= CY_INT_MODE_CHANGE; in cyttsp4_startup_()
1593 rc = cyttsp4_adap_write(cd, CY_REG_BASE, sizeof(ldr_exit), in cyttsp4_startup_()
1595 mutex_unlock(&cd->system_lock); in cyttsp4_startup_()
1597 dev_err(cd->dev, "%s: Fail write r=%d\n", __func__, rc); in cyttsp4_startup_()
1603 rc = cyttsp4_wait_sysinfo_mode(cd); in cyttsp4_startup_()
1609 rc1 = cyttsp4_adap_read(cd, CY_REG_BASE, sizeof(ldr_err_app), in cyttsp4_startup_()
1612 dev_err(cd->dev, "%s: Fail read r=%d\n", __func__, rc1); in cyttsp4_startup_()
1614 dev_err(cd->dev, "%s: Error launching touch application\n", in cyttsp4_startup_()
1616 mutex_lock(&cd->system_lock); in cyttsp4_startup_()
1617 cd->invalid_touch_app = true; in cyttsp4_startup_()
1618 mutex_unlock(&cd->system_lock); in cyttsp4_startup_()
1627 mutex_lock(&cd->system_lock); in cyttsp4_startup_()
1628 cd->invalid_touch_app = false; in cyttsp4_startup_()
1629 mutex_unlock(&cd->system_lock); in cyttsp4_startup_()
1632 dev_vdbg(cd->dev, "%s: get sysinfo regs..\n", __func__); in cyttsp4_startup_()
1633 rc = cyttsp4_get_sysinfo_regs(cd); in cyttsp4_startup_()
1635 dev_err(cd->dev, "%s: failed to get sysinfo regs rc=%d\n", in cyttsp4_startup_()
1642 rc = cyttsp4_set_mode(cd, CY_MODE_OPERATIONAL); in cyttsp4_startup_()
1644 dev_err(cd->dev, "%s: failed to set mode to operational rc=%d\n", in cyttsp4_startup_()
1651 cyttsp4_lift_all(&cd->md); in cyttsp4_startup_()
1654 mutex_lock(&cd->system_lock); in cyttsp4_startup_()
1655 if (cd->sleep_state == SS_SLEEP_ON) { in cyttsp4_startup_()
1656 cd->sleep_state = SS_SLEEP_OFF; in cyttsp4_startup_()
1657 mutex_unlock(&cd->system_lock); in cyttsp4_startup_()
1658 cyttsp4_core_sleep_(cd); in cyttsp4_startup_()
1661 mutex_unlock(&cd->system_lock); in cyttsp4_startup_()
1664 cyttsp4_start_wd_timer(cd); in cyttsp4_startup_()
1669 static int cyttsp4_startup(struct cyttsp4 *cd) in cyttsp4_startup() argument
1673 mutex_lock(&cd->system_lock); in cyttsp4_startup()
1674 cd->startup_state = STARTUP_RUNNING; in cyttsp4_startup()
1675 mutex_unlock(&cd->system_lock); in cyttsp4_startup()
1677 rc = cyttsp4_request_exclusive(cd, cd->dev, in cyttsp4_startup()
1680 dev_err(cd->dev, "%s: fail get exclusive ex=%p own=%p\n", in cyttsp4_startup()
1681 __func__, cd->exclusive_dev, cd->dev); in cyttsp4_startup()
1685 rc = cyttsp4_startup_(cd); in cyttsp4_startup()
1687 if (cyttsp4_release_exclusive(cd, cd->dev) < 0) in cyttsp4_startup()
1689 dev_err(cd->dev, "%s: fail to release exclusive\n", __func__); in cyttsp4_startup()
1691 dev_vdbg(cd->dev, "%s: pass release exclusive\n", __func__); in cyttsp4_startup()
1694 mutex_lock(&cd->system_lock); in cyttsp4_startup()
1695 cd->startup_state = STARTUP_NONE; in cyttsp4_startup()
1696 mutex_unlock(&cd->system_lock); in cyttsp4_startup()
1699 wake_up(&cd->wait_q); in cyttsp4_startup()
1706 struct cyttsp4 *cd = container_of(work, struct cyttsp4, startup_work); in cyttsp4_startup_work_function() local
1709 rc = cyttsp4_startup(cd); in cyttsp4_startup_work_function()
1711 dev_err(cd->dev, "%s: Fail queued startup r=%d\n", in cyttsp4_startup_work_function()
1715 static void cyttsp4_free_si_ptrs(struct cyttsp4 *cd) in cyttsp4_free_si_ptrs() argument
1717 struct cyttsp4_sysinfo *si = &cd->sysinfo; in cyttsp4_free_si_ptrs()
1735 static int cyttsp4_core_sleep(struct cyttsp4 *cd) in cyttsp4_core_sleep() argument
1739 rc = cyttsp4_request_exclusive(cd, cd->dev, in cyttsp4_core_sleep()
1742 dev_err(cd->dev, "%s: fail get exclusive ex=%p own=%p\n", in cyttsp4_core_sleep()
1743 __func__, cd->exclusive_dev, cd->dev); in cyttsp4_core_sleep()
1747 rc = cyttsp4_core_sleep_(cd); in cyttsp4_core_sleep()
1749 if (cyttsp4_release_exclusive(cd, cd->dev) < 0) in cyttsp4_core_sleep()
1750 dev_err(cd->dev, "%s: fail to release exclusive\n", __func__); in cyttsp4_core_sleep()
1752 dev_vdbg(cd->dev, "%s: pass release exclusive\n", __func__); in cyttsp4_core_sleep()
1757 static int cyttsp4_core_wake_(struct cyttsp4 *cd) in cyttsp4_core_wake_() argument
1759 struct device *dev = cd->dev; in cyttsp4_core_wake_()
1765 mutex_lock(&cd->system_lock); in cyttsp4_core_wake_()
1766 if (cd->sleep_state == SS_SLEEP_OFF) { in cyttsp4_core_wake_()
1767 mutex_unlock(&cd->system_lock); in cyttsp4_core_wake_()
1770 cd->int_status &= ~CY_INT_IGNORE; in cyttsp4_core_wake_()
1771 cd->int_status |= CY_INT_AWAKE; in cyttsp4_core_wake_()
1772 cd->sleep_state = SS_WAKING; in cyttsp4_core_wake_()
1774 if (cd->cpdata->power) { in cyttsp4_core_wake_()
1776 rc = cd->cpdata->power(cd->cpdata, 1, dev, &cd->ignore_irq); in cyttsp4_core_wake_()
1786 cyttsp4_adap_read(cd, CY_REG_BASE, sizeof(mode), &mode); in cyttsp4_core_wake_()
1788 dev_vdbg(cd->dev, "%s: HW power up succeeds\n", in cyttsp4_core_wake_()
1790 mutex_unlock(&cd->system_lock); in cyttsp4_core_wake_()
1792 t = wait_event_timeout(cd->wait_q, in cyttsp4_core_wake_()
1793 (cd->int_status & CY_INT_AWAKE) == 0, in cyttsp4_core_wake_()
1797 mutex_lock(&cd->system_lock); in cyttsp4_core_wake_()
1798 cd->int_status &= ~CY_INT_AWAKE; in cyttsp4_core_wake_()
1800 cyttsp4_queue_startup_(cd); in cyttsp4_core_wake_()
1801 mutex_unlock(&cd->system_lock); in cyttsp4_core_wake_()
1804 mutex_lock(&cd->system_lock); in cyttsp4_core_wake_()
1805 cd->sleep_state = SS_SLEEP_OFF; in cyttsp4_core_wake_()
1806 mutex_unlock(&cd->system_lock); in cyttsp4_core_wake_()
1808 cyttsp4_start_wd_timer(cd); in cyttsp4_core_wake_()
1813 static int cyttsp4_core_wake(struct cyttsp4 *cd) in cyttsp4_core_wake() argument
1817 rc = cyttsp4_request_exclusive(cd, cd->dev, in cyttsp4_core_wake()
1820 dev_err(cd->dev, "%s: fail get exclusive ex=%p own=%p\n", in cyttsp4_core_wake()
1821 __func__, cd->exclusive_dev, cd->dev); in cyttsp4_core_wake()
1825 rc = cyttsp4_core_wake_(cd); in cyttsp4_core_wake()
1827 if (cyttsp4_release_exclusive(cd, cd->dev) < 0) in cyttsp4_core_wake()
1828 dev_err(cd->dev, "%s: fail to release exclusive\n", __func__); in cyttsp4_core_wake()
1830 dev_vdbg(cd->dev, "%s: pass release exclusive\n", __func__); in cyttsp4_core_wake()
1837 struct cyttsp4 *cd = dev_get_drvdata(dev); in cyttsp4_core_suspend() local
1838 struct cyttsp4_mt_data *md = &cd->md; in cyttsp4_core_suspend()
1843 rc = cyttsp4_core_sleep(cd); in cyttsp4_core_suspend()
1853 struct cyttsp4 *cd = dev_get_drvdata(dev); in cyttsp4_core_resume() local
1854 struct cyttsp4_mt_data *md = &cd->md; in cyttsp4_core_resume()
1859 rc = cyttsp4_core_wake(cd); in cyttsp4_core_resume()
1891 static int cyttsp4_setup_input_device(struct cyttsp4 *cd) in cyttsp4_setup_input_device() argument
1893 struct device *dev = cd->dev; in cyttsp4_setup_input_device()
1894 struct cyttsp4_mt_data *md = &cd->md; in cyttsp4_setup_input_device()
1962 static int cyttsp4_mt_probe(struct cyttsp4 *cd) in cyttsp4_mt_probe() argument
1964 struct device *dev = cd->dev; in cyttsp4_mt_probe()
1965 struct cyttsp4_mt_data *md = &cd->md; in cyttsp4_mt_probe()
1966 struct cyttsp4_mt_platform_data *pdata = cd->pdata->mt_pdata; in cyttsp4_mt_probe()
1985 md->input->id.bustype = cd->bus_ops->bustype; in cyttsp4_mt_probe()
1992 md->si = &cd->sysinfo; in cyttsp4_mt_probe()
1994 rc = cyttsp4_setup_input_device(cd); in cyttsp4_mt_probe()
2010 struct cyttsp4 *cd; in cyttsp4_probe() local
2021 cd = kzalloc(sizeof(*cd), GFP_KERNEL); in cyttsp4_probe()
2022 if (!cd) { in cyttsp4_probe()
2028 cd->xfer_buf = kzalloc(xfer_buf_size, GFP_KERNEL); in cyttsp4_probe()
2029 if (!cd->xfer_buf) { in cyttsp4_probe()
2036 cd->dev = dev; in cyttsp4_probe()
2037 cd->pdata = pdata; in cyttsp4_probe()
2038 cd->cpdata = pdata->core_pdata; in cyttsp4_probe()
2039 cd->bus_ops = ops; in cyttsp4_probe()
2042 mutex_init(&cd->system_lock); in cyttsp4_probe()
2043 mutex_init(&cd->adap_lock); in cyttsp4_probe()
2046 init_waitqueue_head(&cd->wait_q); in cyttsp4_probe()
2049 INIT_WORK(&cd->startup_work, cyttsp4_startup_work_function); in cyttsp4_probe()
2050 INIT_WORK(&cd->watchdog_work, cyttsp4_watchdog_work); in cyttsp4_probe()
2053 cd->irq = gpio_to_irq(cd->cpdata->irq_gpio); in cyttsp4_probe()
2054 if (cd->irq < 0) { in cyttsp4_probe()
2059 dev_set_drvdata(dev, cd); in cyttsp4_probe()
2062 if (cd->cpdata->init) { in cyttsp4_probe()
2063 dev_dbg(cd->dev, "%s: Init HW\n", __func__); in cyttsp4_probe()
2064 rc = cd->cpdata->init(cd->cpdata, 1, cd->dev); in cyttsp4_probe()
2066 dev_dbg(cd->dev, "%s: No HW INIT function\n", __func__); in cyttsp4_probe()
2070 dev_err(cd->dev, "%s: HW Init fail r=%d\n", __func__, rc); in cyttsp4_probe()
2072 dev_dbg(dev, "%s: initialize threaded irq=%d\n", __func__, cd->irq); in cyttsp4_probe()
2073 if (cd->cpdata->level_irq_udelay > 0) in cyttsp4_probe()
2080 rc = request_threaded_irq(cd->irq, NULL, cyttsp4_irq, irq_flags, in cyttsp4_probe()
2081 dev_name(dev), cd); in cyttsp4_probe()
2088 timer_setup(&cd->watchdog_timer, cyttsp4_watchdog_timer, 0); in cyttsp4_probe()
2094 rc = cyttsp4_startup(cd); in cyttsp4_probe()
2097 if (rc < 0 && cd->mode == CY_MODE_UNKNOWN) { in cyttsp4_probe()
2098 dev_err(cd->dev, "%s: Fail initial startup r=%d\n", in cyttsp4_probe()
2103 rc = cyttsp4_mt_probe(cd); in cyttsp4_probe()
2111 return cd; in cyttsp4_probe()
2114 cancel_work_sync(&cd->startup_work); in cyttsp4_probe()
2115 cyttsp4_stop_wd_timer(cd); in cyttsp4_probe()
2117 cyttsp4_free_si_ptrs(cd); in cyttsp4_probe()
2118 free_irq(cd->irq, cd); in cyttsp4_probe()
2120 if (cd->cpdata->init) in cyttsp4_probe()
2121 cd->cpdata->init(cd->cpdata, 0, dev); in cyttsp4_probe()
2123 kfree(cd->xfer_buf); in cyttsp4_probe()
2125 kfree(cd); in cyttsp4_probe()
2139 int cyttsp4_remove(struct cyttsp4 *cd) in cyttsp4_remove() argument
2141 struct device *dev = cd->dev; in cyttsp4_remove()
2143 cyttsp4_mt_release(&cd->md); in cyttsp4_remove()
2152 cancel_work_sync(&cd->startup_work); in cyttsp4_remove()
2154 cyttsp4_stop_wd_timer(cd); in cyttsp4_remove()
2156 free_irq(cd->irq, cd); in cyttsp4_remove()
2157 if (cd->cpdata->init) in cyttsp4_remove()
2158 cd->cpdata->init(cd->cpdata, 0, dev); in cyttsp4_remove()
2159 cyttsp4_free_si_ptrs(cd); in cyttsp4_remove()
2160 kfree(cd); in cyttsp4_remove()