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gerrit-public.fairphone.software / kernel / msm-4.19 / 12855cac87218d0c92ffdebb7270cec040cf5a6a / . / drivers / media / dvb / mantis / mantis_evm.c
blob: 745148399981f21a6d17a4296b2f62ba3c35a39e [file] [log] [blame]
Manu Abrahamd5755712009-12-04 05:04:18 -0300[diff] [blame]1/*
2 Mantis PCI bridge driver
3
4 Copyright (C) 2005, 2006 Manu Abraham (abraham.manu@gmail.com)
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19*/
20
21#include "mantis_common.h"
22#include "mantis_link.h"
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]23#include "mantis_hif.h"
24
Manu Abraham12855ca2009-12-04 05:09:04 -0300[diff] [blame^]25static void mantis_hifevm_work(struct work_struct *work)
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]26{
Manu Abraham12855ca2009-12-04 05:09:04 -0300[diff] [blame^]27 struct mantis_ca *ca = container_of(work, struct mantis_ca, hif_evm_work);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]28 struct mantis_pci *mantis = ca->ca_priv;
29
Manu Abraham3062b152009-12-04 05:08:25 -0300[diff] [blame]30 u32 gpif_stat, gpif_mask;
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]31
32 gpif_stat = mmread(MANTIS_GPIF_STATUS);
Manu Abraham3062b152009-12-04 05:08:25 -0300[diff] [blame]33 gpif_mask = mmread(MANTIS_GPIF_IRQCFG);
34 if (!((gpif_stat & 0xff) & (gpif_mask & 0xff)))
35 return;
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]36
37 if (gpif_stat & MANTIS_GPIF_DETSTAT) {
38 if (gpif_stat & MANTIS_CARD_PLUGIN) {
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]39 dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]40 mmwrite(0xdada0000, MANTIS_CARD_RESET);
Manu Abraham12855ca2009-12-04 05:09:04 -0300[diff] [blame^]41 mantis_event_cam_plugin(ca);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]42 }
43 } else {
44 if (gpif_stat & MANTIS_CARD_PLUGOUT) {
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]45 dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Unplug", mantis->num);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]46 mmwrite(0xdada0000, MANTIS_CARD_RESET);
Manu Abraham12855ca2009-12-04 05:09:04 -0300[diff] [blame^]47 mantis_event_cam_unplug(ca);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]48 }
49 }
50
51 if (gpif_stat & MANTIS_GPIF_EXTIRQ)
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]52 dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]53
54 if (gpif_stat & MANTIS_SBUF_WSTO)
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]55 dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]56
57 if (gpif_stat & MANTIS_GPIF_OTHERR)
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]58 dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]59
60 if (gpif_stat & MANTIS_SBUF_OVFLW)
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]61 dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Overflow", mantis->num);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]62
63 if (gpif_stat & MANTIS_GPIF_BRRDY) {
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]64 dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]65 ca->sbuf_status = MANTIS_SBUF_DATA_AVAIL;
66 if (ca->hif_job_queue & MANTIS_HIF_MEMRD)
67 wake_up(&ca->hif_brrdyw_wq);
68 }
69 if (gpif_stat & MANTIS_GPIF_WRACK)
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]70 dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Slave Write ACK", mantis->num);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]71
72 if (gpif_stat & MANTIS_GPIF_INTSTAT)
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]73 dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): GPIF IRQ", mantis->num);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]74
75 if (gpif_stat & MANTIS_SBUF_EMPTY)
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]76 dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Empty", mantis->num);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]77
78 if (gpif_stat & MANTIS_SBUF_OPDONE) {
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]79 dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer operation complete", mantis->num);
Manu Abrahamfadfa072009-12-04 05:05:19 -0300[diff] [blame]80 if (ca->hif_job_queue) {
81 wake_up(&ca->hif_opdone_wq);
82 ca->hif_event = MANTIS_SBUF_OPDONE;
83 }
84 }
85}
Manu Abrahamd5755712009-12-04 05:04:18 -0300[diff] [blame]86
87int mantis_evmgr_init(struct mantis_ca *ca)
88{
89 struct mantis_pci *mantis = ca->ca_priv;
90
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]91 dprintk(verbose, MANTIS_DEBUG, 1, "Initializing Mantis Host I/F Event manager");
Manu Abraham12855ca2009-12-04 05:09:04 -0300[diff] [blame^]92 INIT_WORK(&ca->hif_evm_work, mantis_hifevm_work);
Manu Abraham50d82602009-12-04 05:06:38 -0300[diff] [blame]93 mantis_pcmcia_init(ca);
Manu Abraham12855ca2009-12-04 05:09:04 -0300[diff] [blame^]94 schedule_work(&ca->hif_evm_work);
Manu Abraham50d82602009-12-04 05:06:38 -0300[diff] [blame]95
Manu Abrahamd5755712009-12-04 05:04:18 -0300[diff] [blame]96 return 0;
97}
98
99void mantis_evmgr_exit(struct mantis_ca *ca)
100{
101 struct mantis_pci *mantis = ca->ca_priv;
102
Manu Abrahamd9dd5f72009-12-04 05:07:41 -0300[diff] [blame]103 dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting");
Manu Abraham12855ca2009-12-04 05:09:04 -0300[diff] [blame^]104 flush_scheduled_work();
Manu Abraham50d82602009-12-04 05:06:38 -0300[diff] [blame]105 mantis_pcmcia_exit(ca);
Manu Abrahamd5755712009-12-04 05:04:18 -0300[diff] [blame]106}