[linux-2.6-block.git] / drivers / media / pci / mantis / hopper_cards.c

/*
	Hopper PCI bridge driver

	Copyright (C) Manu Abraham (abraham.manu@gmail.com)

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <asm/irq.h>
#include <linux/interrupt.h>

#include "dmxdev.h"
#include "dvbdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"

#include "mantis_common.h"
#include "hopper_vp3028.h"
#include "mantis_dma.h"
#include "mantis_dvb.h"
#include "mantis_uart.h"
#include "mantis_ioc.h"
#include "mantis_pci.h"
#include "mantis_i2c.h"
#include "mantis_reg.h"

static unsigned int verbose;
module_param(verbose, int, 0644);
MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)");

#define DRIVER_NAME	"Hopper"

static char *label[10] = {
	"DMA",
	"IRQ-0",
	"IRQ-1",
	"OCERR",
	"PABRT",
	"RIPRR",
	"PPERR",
	"FTRGT",
	"RISCI",
	"RACK"
};

static int devs;

static irqreturn_t hopper_irq_handler(int irq, void *dev_id)
{
	u32 stat = 0, mask = 0;
	u32 rst_stat = 0, rst_mask = 0;

	struct mantis_pci *mantis;
	struct mantis_ca *ca;

	mantis = (struct mantis_pci *) dev_id;
	if (unlikely(mantis == NULL)) {
		dprintk(MANTIS_ERROR, 1, "Mantis == NULL");
		return IRQ_NONE;
	}
	ca = mantis->mantis_ca;

	stat = mmread(MANTIS_INT_STAT);
	mask = mmread(MANTIS_INT_MASK);
	if (!(stat & mask))
		return IRQ_NONE;

	rst_mask  = MANTIS_GPIF_WRACK  |
		    MANTIS_GPIF_OTHERR |
		    MANTIS_SBUF_WSTO   |
		    MANTIS_GPIF_EXTIRQ;

	rst_stat  = mmread(MANTIS_GPIF_STATUS);
	rst_stat &= rst_mask;
	mmwrite(rst_stat, MANTIS_GPIF_STATUS);

	mantis->mantis_int_stat = stat;
	mantis->mantis_int_mask = mask;
	dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask);
	if (stat & MANTIS_INT_RISCEN) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]);
	}
	if (stat & MANTIS_INT_IRQ0) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]);
		mantis->gpif_status = rst_stat;
		wake_up(&ca->hif_write_wq);
		schedule_work(&ca->hif_evm_work);
	}
	if (stat & MANTIS_INT_IRQ1) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]);
		spin_lock(&mantis->intmask_lock);
		mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ1, MANTIS_INT_MASK);
		spin_unlock(&mantis->intmask_lock);
		schedule_work(&mantis->uart_work);
	}
	if (stat & MANTIS_INT_OCERR) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]);
	}
	if (stat & MANTIS_INT_PABORT) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]);
	}
	if (stat & MANTIS_INT_RIPERR) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]);
	}
	if (stat & MANTIS_INT_PPERR) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]);
	}
	if (stat & MANTIS_INT_FTRGT) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]);
	}
	if (stat & MANTIS_INT_RISCI) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]);
		mantis->busy_block = (stat & MANTIS_INT_RISCSTAT) >> 28;
		tasklet_schedule(&mantis->tasklet);
	}
	if (stat & MANTIS_INT_I2CDONE) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]);
		wake_up(&mantis->i2c_wq);
	}
	mmwrite(stat, MANTIS_INT_STAT);
	stat &= ~(MANTIS_INT_RISCEN   | MANTIS_INT_I2CDONE |
		  MANTIS_INT_I2CRACK  | MANTIS_INT_PCMCIA7 |
		  MANTIS_INT_PCMCIA6  | MANTIS_INT_PCMCIA5 |
		  MANTIS_INT_PCMCIA4  | MANTIS_INT_PCMCIA3 |
		  MANTIS_INT_PCMCIA2  | MANTIS_INT_PCMCIA1 |
		  MANTIS_INT_PCMCIA0  | MANTIS_INT_IRQ1	   |
		  MANTIS_INT_IRQ0     | MANTIS_INT_OCERR   |
		  MANTIS_INT_PABORT   | MANTIS_INT_RIPERR  |
		  MANTIS_INT_PPERR    | MANTIS_INT_FTRGT   |
		  MANTIS_INT_RISCI);

	if (stat)
		dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask);

	dprintk(MANTIS_DEBUG, 0, "\n");
	return IRQ_HANDLED;
}

static int hopper_pci_probe(struct pci_dev *pdev,
			    const struct pci_device_id *pci_id)
{
	struct mantis_pci_drvdata *drvdata;
	struct mantis_pci *mantis;
	struct mantis_hwconfig *config;
	int err = 0;

	mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL);
	if (mantis == NULL) {
		printk(KERN_ERR "%s ERROR: Out of memory\n", __func__);
		err = -ENOMEM;
		goto fail0;
	}

	drvdata			= (struct mantis_pci_drvdata *) pci_id->driver_data;
	mantis->num		= devs;
	mantis->verbose		= verbose;
	mantis->pdev		= pdev;
	config			= drvdata->hwconfig;
	config->irq_handler	= &hopper_irq_handler;
	mantis->hwconfig	= config;
	mantis->rc_map_name	= drvdata->rc_map_name;

	spin_lock_init(&mantis->intmask_lock);

	err = mantis_pci_init(mantis);
	if (err) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err);
		goto fail1;
	}

	err = mantis_stream_control(mantis, STREAM_TO_HIF);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err);
		goto fail1;
	}

	err = mantis_i2c_init(mantis);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err);
		goto fail2;
	}

	err = mantis_get_mac(mantis);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err);
		goto fail2;
	}

	err = mantis_dma_init(mantis);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err);
		goto fail3;
	}

	err = mantis_dvb_init(mantis);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err);
		goto fail4;
	}
	devs++;

	return err;

fail4:
	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err);
	mantis_dma_exit(mantis);

fail3:
	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err);
	mantis_i2c_exit(mantis);

fail2:
	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err);
	mantis_pci_exit(mantis);

fail1:
	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err);
	kfree(mantis);

fail0:
	return err;
}

static void hopper_pci_remove(struct pci_dev *pdev)
{
	struct mantis_pci *mantis = pci_get_drvdata(pdev);

	if (mantis) {
		mantis_dvb_exit(mantis);
		mantis_dma_exit(mantis);
		mantis_i2c_exit(mantis);
		mantis_pci_exit(mantis);
		kfree(mantis);
	}
	return;

}

static struct pci_device_id hopper_pci_table[] = {
	MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config,
		NULL),
	{ }
};

MODULE_DEVICE_TABLE(pci, hopper_pci_table);

static struct pci_driver hopper_pci_driver = {
	.name		= DRIVER_NAME,
	.id_table	= hopper_pci_table,
	.probe		= hopper_pci_probe,
	.remove		= hopper_pci_remove,
};

module_pci_driver(hopper_pci_driver);

MODULE_DESCRIPTION("HOPPER driver");
MODULE_AUTHOR("Manu Abraham");
MODULE_LICENSE("GPL");
Commit	Line	Data
8825a097 MA	1	/*
	2	Hopper PCI bridge driver
	3
	4	Copyright (C) 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
b3b96144 MA	21	#include <linux/module.h>
	22	#include <linux/moduleparam.h>
	23	#include <linux/kernel.h>
	24	#include <linux/pci.h>
5a0e3ad6	25	#include <linux/slab.h>
b3b96144 MA	26	#include <asm/irq.h>
	27	#include <linux/interrupt.h>
	28
	29	#include "dmxdev.h"
	30	#include "dvbdev.h"
	31	#include "dvb_demux.h"
	32	#include "dvb_frontend.h"
	33	#include "dvb_net.h"
	34
	35	#include "mantis_common.h"
	36	#include "hopper_vp3028.h"
	37	#include "mantis_dma.h"
	38	#include "mantis_dvb.h"
	39	#include "mantis_uart.h"
	40	#include "mantis_ioc.h"
	41	#include "mantis_pci.h"
	42	#include "mantis_i2c.h"
	43	#include "mantis_reg.h"
	44
	45	static unsigned int verbose;
	46	module_param(verbose, int, 0644);
0618ece0	47	MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)");
b3b96144 MA	48
	49	#define DRIVER_NAME "Hopper"
	50
	51	static char *label[10] = {
	52	"DMA",
	53	"IRQ-0",
	54	"IRQ-1",
	55	"OCERR",
	56	"PABRT",
	57	"RIPRR",
	58	"PPERR",
	59	"FTRGT",
	60	"RISCI",
	61	"RACK"
	62	};
	63
	64	static int devs;
	65
	66	static irqreturn_t hopper_irq_handler(int irq, void *dev_id)
	67	{
5becbc58	68	u32 stat = 0, mask = 0;
b3b96144 MA	69	u32 rst_stat = 0, rst_mask = 0;
	70
	71	struct mantis_pci *mantis;
	72	struct mantis_ca *ca;
	73
	74	mantis = (struct mantis_pci *) dev_id;
	75	if (unlikely(mantis == NULL)) {
	76	dprintk(MANTIS_ERROR, 1, "Mantis == NULL");
	77	return IRQ_NONE;
	78	}
	79	ca = mantis->mantis_ca;
	80
	81	stat = mmread(MANTIS_INT_STAT);
	82	mask = mmread(MANTIS_INT_MASK);
b3b96144 MA	83	if (!(stat & mask))
	84	return IRQ_NONE;
	85
	86	rst_mask = MANTIS_GPIF_WRACK \|
	87	MANTIS_GPIF_OTHERR \|
	88	MANTIS_SBUF_WSTO \|
	89	MANTIS_GPIF_EXTIRQ;
	90
	91	rst_stat = mmread(MANTIS_GPIF_STATUS);
	92	rst_stat &= rst_mask;
	93	mmwrite(rst_stat, MANTIS_GPIF_STATUS);
	94
	95	mantis->mantis_int_stat = stat;
	96	mantis->mantis_int_mask = mask;
	97	dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask);
	98	if (stat & MANTIS_INT_RISCEN) {
	99	dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]);
	100	}
	101	if (stat & MANTIS_INT_IRQ0) {
	102	dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]);
	103	mantis->gpif_status = rst_stat;
	104	wake_up(&ca->hif_write_wq);
	105	schedule_work(&ca->hif_evm_work);
	106	}
	107	if (stat & MANTIS_INT_IRQ1) {
	108	dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]);
a96762da JK	109	spin_lock(&mantis->intmask_lock);
	110	mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ1, MANTIS_INT_MASK);
	111	spin_unlock(&mantis->intmask_lock);
b3b96144 MA	112	schedule_work(&mantis->uart_work);
	113	}
	114	if (stat & MANTIS_INT_OCERR) {
	115	dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]);
	116	}
	117	if (stat & MANTIS_INT_PABORT) {
	118	dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]);
	119	}
	120	if (stat & MANTIS_INT_RIPERR) {
	121	dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]);
	122	}
	123	if (stat & MANTIS_INT_PPERR) {
	124	dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]);
	125	}
	126	if (stat & MANTIS_INT_FTRGT) {
	127	dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]);
	128	}
	129	if (stat & MANTIS_INT_RISCI) {
	130	dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]);
79d06d4d	131	mantis->busy_block = (stat & MANTIS_INT_RISCSTAT) >> 28;
b3b96144 MA	132	tasklet_schedule(&mantis->tasklet);
	133	}
	134	if (stat & MANTIS_INT_I2CDONE) {
	135	dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]);
	136	wake_up(&mantis->i2c_wq);
	137	}
	138	mmwrite(stat, MANTIS_INT_STAT);
	139	stat &= ~(MANTIS_INT_RISCEN \| MANTIS_INT_I2CDONE \|
	140	MANTIS_INT_I2CRACK \| MANTIS_INT_PCMCIA7 \|
	141	MANTIS_INT_PCMCIA6 \| MANTIS_INT_PCMCIA5 \|
	142	MANTIS_INT_PCMCIA4 \| MANTIS_INT_PCMCIA3 \|
	143	MANTIS_INT_PCMCIA2 \| MANTIS_INT_PCMCIA1 \|
	144	MANTIS_INT_PCMCIA0 \| MANTIS_INT_IRQ1 \|
	145	MANTIS_INT_IRQ0 \| MANTIS_INT_OCERR \|
	146	MANTIS_INT_PABORT \| MANTIS_INT_RIPERR \|
	147	MANTIS_INT_PPERR \| MANTIS_INT_FTRGT \|
	148	MANTIS_INT_RISCI);
	149
	150	if (stat)
	151	dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask);
	152
	153	dprintk(MANTIS_DEBUG, 0, "\n");
	154	return IRQ_HANDLED;
	155	}
	156
4c62e976 GKH	157	static int hopper_pci_probe(struct pci_dev *pdev,
4c62e976 GKH	158	const struct pci_device_id *pci_id)
b3b96144	159	{
a96762da	160	struct mantis_pci_drvdata *drvdata;
b3b96144 MA	161	struct mantis_pci *mantis;
	162	struct mantis_hwconfig *config;
	163	int err = 0;
	164
f5ae4f6f	165	mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL);
b3b96144 MA	166	if (mantis == NULL) {
	167	printk(KERN_ERR "%s ERROR: Out of memory\n", __func__);
	168	err = -ENOMEM;
	169	goto fail0;
	170	}
	171
a96762da	172	drvdata = (struct mantis_pci_drvdata *) pci_id->driver_data;
b3b96144 MA	173	mantis->num = devs;
	174	mantis->verbose = verbose;
	175	mantis->pdev = pdev;
a96762da	176	config = drvdata->hwconfig;
b3b96144 MA	177	config->irq_handler = &hopper_irq_handler;
b3b96144 MA	178	mantis->hwconfig = config;
a96762da JK	179	mantis->rc_map_name = drvdata->rc_map_name;
	180
	181	spin_lock_init(&mantis->intmask_lock);
b3b96144 MA	182
	183	err = mantis_pci_init(mantis);
	184	if (err) {
	185	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err);
	186	goto fail1;
	187	}
	188
	189	err = mantis_stream_control(mantis, STREAM_TO_HIF);
	190	if (err < 0) {
	191	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err);
	192	goto fail1;
	193	}
	194
	195	err = mantis_i2c_init(mantis);
	196	if (err < 0) {
	197	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err);
	198	goto fail2;
	199	}
	200
	201	err = mantis_get_mac(mantis);
	202	if (err < 0) {
	203	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err);
	204	goto fail2;
	205	}
	206
	207	err = mantis_dma_init(mantis);
	208	if (err < 0) {
	209	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err);
	210	goto fail3;
	211	}
	212
	213	err = mantis_dvb_init(mantis);
	214	if (err < 0) {
	215	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err);
	216	goto fail4;
	217	}
	218	devs++;
	219
	220	return err;
	221
b3b96144 MA	222	fail4:
	223	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err);
	224	mantis_dma_exit(mantis);
	225
	226	fail3:
	227	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err);
	228	mantis_i2c_exit(mantis);
	229
	230	fail2:
	231	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err);
	232	mantis_pci_exit(mantis);
	233
	234	fail1:
	235	dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err);
	236	kfree(mantis);
	237
	238	fail0:
	239	return err;
	240	}
	241
4c62e976	242	static void hopper_pci_remove(struct pci_dev *pdev)
b3b96144 MA	243	{
	244	struct mantis_pci *mantis = pci_get_drvdata(pdev);
	245
	246	if (mantis) {
b3b96144 MA	247	mantis_dvb_exit(mantis);
	248	mantis_dma_exit(mantis);
	249	mantis_i2c_exit(mantis);
	250	mantis_pci_exit(mantis);
	251	kfree(mantis);
	252	}
	253	return;
	254
	255	}
	256
	257	static struct pci_device_id hopper_pci_table[] = {
a96762da JK	258	MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config,
a96762da JK	259	NULL),
b3b96144 MA	260	{ }
	261	};
	262
116d588e MA	263	MODULE_DEVICE_TABLE(pci, hopper_pci_table);
116d588e MA	264
b3b96144 MA	265	static struct pci_driver hopper_pci_driver = {
	266	.name = DRIVER_NAME,
	267	.id_table = hopper_pci_table,
	268	.probe = hopper_pci_probe,
	269	.remove = hopper_pci_remove,
	270	};
	271
ecef5cc3	272	module_pci_driver(hopper_pci_driver);
b3b96144 MA	273
	274	MODULE_DESCRIPTION("HOPPER driver");
	275	MODULE_AUTHOR("Manu Abraham");
	276	MODULE_LICENSE("GPL");