741 lines
20 KiB
C
741 lines
20 KiB
C
/*
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* Driver for the NXP SAA7164 PCIe bridge
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*
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* Copyright (c) 2009 Steven Toth <stoth@kernellabs.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/init.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/kmod.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <asm/div64.h>
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#include "saa7164.h"
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MODULE_DESCRIPTION("Driver for NXP SAA7164 based TV cards");
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MODULE_AUTHOR("Steven Toth <stoth@kernellabs.com>");
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MODULE_LICENSE("GPL");
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/*
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1 Basic
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2
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4 i2c
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8 api
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16 cmd
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32 bus
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*/
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unsigned int saa_debug;
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module_param_named(debug, saa_debug, int, 0644);
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MODULE_PARM_DESC(debug, "enable debug messages");
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unsigned int waitsecs = 10;
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module_param(waitsecs, int, 0644);
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MODULE_PARM_DESC(debug, "timeout on firmware messages");
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static unsigned int card[] = {[0 ... (SAA7164_MAXBOARDS - 1)] = UNSET };
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module_param_array(card, int, NULL, 0444);
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MODULE_PARM_DESC(card, "card type");
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static unsigned int saa7164_devcount;
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static DEFINE_MUTEX(devlist);
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LIST_HEAD(saa7164_devlist);
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#define INT_SIZE 16
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static void saa7164_work_cmdhandler(struct work_struct *w)
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{
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struct saa7164_dev *dev = container_of(w, struct saa7164_dev, workcmd);
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/* Wake up any complete commands */
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saa7164_irq_dequeue(dev);
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}
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static void saa7164_buffer_deliver(struct saa7164_buffer *buf)
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{
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struct saa7164_tsport *port = buf->port;
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/* Feed the transport payload into the kernel demux */
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dvb_dmx_swfilter_packets(&port->dvb.demux, (u8 *)buf->cpu,
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SAA7164_TS_NUMBER_OF_LINES);
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}
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static irqreturn_t saa7164_irq_ts(struct saa7164_tsport *port)
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{
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struct saa7164_dev *dev = port->dev;
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struct saa7164_buffer *buf;
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struct list_head *c, *n;
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int wp, i = 0, rp;
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/* Find the current write point from the hardware */
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wp = saa7164_readl(port->bufcounter);
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if (wp > (port->hwcfg.buffercount - 1))
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BUG();
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/* Find the previous buffer to the current write point */
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if (wp == 0)
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rp = 7;
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else
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rp = wp - 1;
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/* Lookup the WP in the buffer list */
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/* TODO: turn this into a worker thread */
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list_for_each_safe(c, n, &port->dmaqueue.list) {
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buf = list_entry(c, struct saa7164_buffer, list);
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if (i++ > port->hwcfg.buffercount)
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BUG();
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if (buf->nr == rp) {
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/* Found the buffer, deal with it */
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dprintk(DBGLVL_IRQ, "%s() wp: %d processing: %d\n",
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__func__, wp, rp);
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saa7164_buffer_deliver(buf);
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break;
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}
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}
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return 0;
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}
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/* Primary IRQ handler and dispatch mechanism */
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static irqreturn_t saa7164_irq(int irq, void *dev_id)
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{
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struct saa7164_dev *dev = dev_id;
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u32 intid, intstat[INT_SIZE/4];
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int i, handled = 0, bit;
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if (dev == 0) {
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printk(KERN_ERR "%s() No device specified\n", __func__);
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handled = 0;
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goto out;
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}
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/* Check that the hardware is accessable. If the status bytes are
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* 0xFF then the device is not accessable, the the IRQ belongs
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* to another driver.
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* 4 x u32 interrupt registers.
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*/
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for (i = 0; i < INT_SIZE/4; i++) {
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/* TODO: Convert into saa7164_readl() */
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/* Read the 4 hardware interrupt registers */
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intstat[i] = saa7164_readl(dev->int_status + (i * 4));
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if (intstat[i])
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handled = 1;
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}
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if (handled == 0)
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goto out;
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/* For each of the HW interrupt registers */
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for (i = 0; i < INT_SIZE/4; i++) {
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if (intstat[i]) {
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/* Each function of the board has it's own interruptid.
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* Find the function that triggered then call
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* it's handler.
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*/
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for (bit = 0; bit < 32; bit++) {
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if (((intstat[i] >> bit) & 0x00000001) == 0)
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continue;
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/* Calculate the interrupt id (0x00 to 0x7f) */
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intid = (i * 32) + bit;
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if (intid == dev->intfdesc.bInterruptId) {
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/* A response to an cmd/api call */
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schedule_work(&dev->workcmd);
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} else if (intid ==
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dev->ts1.hwcfg.interruptid) {
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/* Transport path 1 */
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saa7164_irq_ts(&dev->ts1);
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} else if (intid ==
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dev->ts2.hwcfg.interruptid) {
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/* Transport path 2 */
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saa7164_irq_ts(&dev->ts2);
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} else {
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/* Find the function */
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dprintk(DBGLVL_IRQ,
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"%s() unhandled interrupt "
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"reg 0x%x bit 0x%x "
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"intid = 0x%x\n",
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__func__, i, bit, intid);
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}
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}
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/* Ack it */
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saa7164_writel(dev->int_ack + (i * 4), intstat[i]);
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}
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}
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out:
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return IRQ_RETVAL(handled);
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}
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void saa7164_getfirmwarestatus(struct saa7164_dev *dev)
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{
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struct saa7164_fw_status *s = &dev->fw_status;
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dev->fw_status.status = saa7164_readl(SAA_DEVICE_SYSINIT_STATUS);
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dev->fw_status.mode = saa7164_readl(SAA_DEVICE_SYSINIT_MODE);
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dev->fw_status.spec = saa7164_readl(SAA_DEVICE_SYSINIT_SPEC);
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dev->fw_status.inst = saa7164_readl(SAA_DEVICE_SYSINIT_INST);
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dev->fw_status.cpuload = saa7164_readl(SAA_DEVICE_SYSINIT_CPULOAD);
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dev->fw_status.remainheap =
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saa7164_readl(SAA_DEVICE_SYSINIT_REMAINHEAP);
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dprintk(1, "Firmware status:\n");
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dprintk(1, " .status = 0x%08x\n", s->status);
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dprintk(1, " .mode = 0x%08x\n", s->mode);
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dprintk(1, " .spec = 0x%08x\n", s->spec);
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dprintk(1, " .inst = 0x%08x\n", s->inst);
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dprintk(1, " .cpuload = 0x%08x\n", s->cpuload);
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dprintk(1, " .remainheap = 0x%08x\n", s->remainheap);
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}
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u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev)
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{
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u32 reg;
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reg = saa7164_readl(SAA_DEVICE_VERSION);
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dprintk(1, "Device running firmware version %d.%d.%d.%d (0x%x)\n",
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(reg & 0x0000fc00) >> 10,
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(reg & 0x000003e0) >> 5,
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(reg & 0x0000001f),
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(reg & 0xffff0000) >> 16,
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reg);
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return reg;
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}
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/* TODO: Debugging func, remove */
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void saa7164_dumphex16(struct saa7164_dev *dev, u8 *buf, int len)
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{
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int i;
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printk(KERN_INFO "--------------------> "
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"00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
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for (i = 0; i < len; i += 16)
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printk(KERN_INFO " [0x%08x] "
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"%02x %02x %02x %02x %02x %02x %02x %02x "
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"%02x %02x %02x %02x %02x %02x %02x %02x\n", i,
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*(buf+i+0), *(buf+i+1), *(buf+i+2), *(buf+i+3),
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*(buf+i+4), *(buf+i+5), *(buf+i+6), *(buf+i+7),
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*(buf+i+8), *(buf+i+9), *(buf+i+10), *(buf+i+11),
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*(buf+i+12), *(buf+i+13), *(buf+i+14), *(buf+i+15));
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}
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/* TODO: Debugging func, remove */
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void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr)
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{
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int i;
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dprintk(1, "--------------------> "
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"00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
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for (i = 0; i < 0x100; i += 16)
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dprintk(1, "region0[0x%08x] = "
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"%02x %02x %02x %02x %02x %02x %02x %02x"
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" %02x %02x %02x %02x %02x %02x %02x %02x\n", i,
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(u8)saa7164_readb(addr + i + 0),
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(u8)saa7164_readb(addr + i + 1),
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(u8)saa7164_readb(addr + i + 2),
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(u8)saa7164_readb(addr + i + 3),
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(u8)saa7164_readb(addr + i + 4),
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(u8)saa7164_readb(addr + i + 5),
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(u8)saa7164_readb(addr + i + 6),
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(u8)saa7164_readb(addr + i + 7),
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(u8)saa7164_readb(addr + i + 8),
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(u8)saa7164_readb(addr + i + 9),
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(u8)saa7164_readb(addr + i + 10),
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(u8)saa7164_readb(addr + i + 11),
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(u8)saa7164_readb(addr + i + 12),
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(u8)saa7164_readb(addr + i + 13),
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(u8)saa7164_readb(addr + i + 14),
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(u8)saa7164_readb(addr + i + 15)
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);
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}
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static void saa7164_dump_hwdesc(struct saa7164_dev *dev)
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{
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dprintk(1, "@0x%p hwdesc sizeof(tmComResHWDescr_t) = %d bytes\n",
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&dev->hwdesc, (u32)sizeof(tmComResHWDescr_t));
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dprintk(1, " .bLength = 0x%x\n", dev->hwdesc.bLength);
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dprintk(1, " .bDescriptorType = 0x%x\n", dev->hwdesc.bDescriptorType);
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dprintk(1, " .bDescriptorSubtype = 0x%x\n",
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dev->hwdesc.bDescriptorSubtype);
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dprintk(1, " .bcdSpecVersion = 0x%x\n", dev->hwdesc.bcdSpecVersion);
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dprintk(1, " .dwClockFrequency = 0x%x\n", dev->hwdesc.dwClockFrequency);
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dprintk(1, " .dwClockUpdateRes = 0x%x\n", dev->hwdesc.dwClockUpdateRes);
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dprintk(1, " .bCapabilities = 0x%x\n", dev->hwdesc.bCapabilities);
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dprintk(1, " .dwDeviceRegistersLocation = 0x%x\n",
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dev->hwdesc.dwDeviceRegistersLocation);
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dprintk(1, " .dwHostMemoryRegion = 0x%x\n",
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dev->hwdesc.dwHostMemoryRegion);
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dprintk(1, " .dwHostMemoryRegionSize = 0x%x\n",
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dev->hwdesc.dwHostMemoryRegionSize);
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dprintk(1, " .dwHostHibernatMemRegion = 0x%x\n",
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dev->hwdesc.dwHostHibernatMemRegion);
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dprintk(1, " .dwHostHibernatMemRegionSize = 0x%x\n",
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dev->hwdesc.dwHostHibernatMemRegionSize);
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}
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static void saa7164_dump_intfdesc(struct saa7164_dev *dev)
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{
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dprintk(1, "@0x%p intfdesc "
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"sizeof(tmComResInterfaceDescr_t) = %d bytes\n",
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&dev->intfdesc, (u32)sizeof(tmComResInterfaceDescr_t));
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dprintk(1, " .bLength = 0x%x\n", dev->intfdesc.bLength);
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dprintk(1, " .bDescriptorType = 0x%x\n", dev->intfdesc.bDescriptorType);
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dprintk(1, " .bDescriptorSubtype = 0x%x\n",
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dev->intfdesc.bDescriptorSubtype);
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dprintk(1, " .bFlags = 0x%x\n", dev->intfdesc.bFlags);
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dprintk(1, " .bInterfaceType = 0x%x\n", dev->intfdesc.bInterfaceType);
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dprintk(1, " .bInterfaceId = 0x%x\n", dev->intfdesc.bInterfaceId);
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dprintk(1, " .bBaseInterface = 0x%x\n", dev->intfdesc.bBaseInterface);
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dprintk(1, " .bInterruptId = 0x%x\n", dev->intfdesc.bInterruptId);
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dprintk(1, " .bDebugInterruptId = 0x%x\n",
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dev->intfdesc.bDebugInterruptId);
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dprintk(1, " .BARLocation = 0x%x\n", dev->intfdesc.BARLocation);
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}
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static void saa7164_dump_busdesc(struct saa7164_dev *dev)
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{
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dprintk(1, "@0x%p busdesc sizeof(tmComResBusDescr_t) = %d bytes\n",
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&dev->busdesc, (u32)sizeof(tmComResBusDescr_t));
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dprintk(1, " .CommandRing = 0x%016Lx\n", dev->busdesc.CommandRing);
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dprintk(1, " .ResponseRing = 0x%016Lx\n", dev->busdesc.ResponseRing);
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dprintk(1, " .CommandWrite = 0x%x\n", dev->busdesc.CommandWrite);
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dprintk(1, " .CommandRead = 0x%x\n", dev->busdesc.CommandRead);
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dprintk(1, " .ResponseWrite = 0x%x\n", dev->busdesc.ResponseWrite);
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dprintk(1, " .ResponseRead = 0x%x\n", dev->busdesc.ResponseRead);
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}
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/* Much of the hardware configuration and PCI registers are configured
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* dynamically depending on firmware. We have to cache some initial
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* structures then use these to locate other important structures
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* from PCI space.
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*/
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static void saa7164_get_descriptors(struct saa7164_dev *dev)
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{
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memcpy(&dev->hwdesc, dev->bmmio, sizeof(tmComResHWDescr_t));
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memcpy(&dev->intfdesc, dev->bmmio + sizeof(tmComResHWDescr_t),
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sizeof(tmComResInterfaceDescr_t));
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memcpy(&dev->busdesc, dev->bmmio + dev->intfdesc.BARLocation,
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sizeof(tmComResBusDescr_t));
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if (dev->hwdesc.bLength != sizeof(tmComResHWDescr_t)) {
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printk(KERN_ERR "Structure tmComResHWDescr_t is mangled\n");
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printk(KERN_ERR "Need %x got %d\n", dev->hwdesc.bLength,
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(u32)sizeof(tmComResHWDescr_t));
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} else
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saa7164_dump_hwdesc(dev);
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if (dev->intfdesc.bLength != sizeof(tmComResInterfaceDescr_t)) {
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printk(KERN_ERR "struct tmComResInterfaceDescr_t is mangled\n");
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printk(KERN_ERR "Need %x got %d\n", dev->intfdesc.bLength,
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(u32)sizeof(tmComResInterfaceDescr_t));
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} else
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saa7164_dump_intfdesc(dev);
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|
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saa7164_dump_busdesc(dev);
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}
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static int saa7164_pci_quirks(struct saa7164_dev *dev)
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{
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return 0;
|
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}
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static int get_resources(struct saa7164_dev *dev)
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{
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if (request_mem_region(pci_resource_start(dev->pci, 0),
|
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pci_resource_len(dev->pci, 0), dev->name)) {
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if (request_mem_region(pci_resource_start(dev->pci, 2),
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pci_resource_len(dev->pci, 2), dev->name))
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return 0;
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}
|
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|
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printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx or 0x%llx\n",
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dev->name,
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(u64)pci_resource_start(dev->pci, 0),
|
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(u64)pci_resource_start(dev->pci, 2));
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|
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return -EBUSY;
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}
|
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|
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static int saa7164_dev_setup(struct saa7164_dev *dev)
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{
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int i;
|
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|
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mutex_init(&dev->lock);
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atomic_inc(&dev->refcount);
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dev->nr = saa7164_devcount++;
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|
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sprintf(dev->name, "saa7164[%d]", dev->nr);
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|
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mutex_lock(&devlist);
|
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list_add_tail(&dev->devlist, &saa7164_devlist);
|
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mutex_unlock(&devlist);
|
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|
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/* board config */
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dev->board = UNSET;
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if (card[dev->nr] < saa7164_bcount)
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dev->board = card[dev->nr];
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|
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for (i = 0; UNSET == dev->board && i < saa7164_idcount; i++)
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if (dev->pci->subsystem_vendor == saa7164_subids[i].subvendor &&
|
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dev->pci->subsystem_device ==
|
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saa7164_subids[i].subdevice)
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dev->board = saa7164_subids[i].card;
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|
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if (UNSET == dev->board) {
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dev->board = SAA7164_BOARD_UNKNOWN;
|
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saa7164_card_list(dev);
|
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}
|
|
|
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dev->pci_bus = dev->pci->bus->number;
|
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dev->pci_slot = PCI_SLOT(dev->pci->devfn);
|
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|
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/* I2C Defaults / setup */
|
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dev->i2c_bus[0].dev = dev;
|
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dev->i2c_bus[0].nr = 0;
|
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dev->i2c_bus[1].dev = dev;
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dev->i2c_bus[1].nr = 1;
|
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dev->i2c_bus[2].dev = dev;
|
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dev->i2c_bus[2].nr = 2;
|
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|
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/* Transport port A Defaults / setup */
|
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dev->ts1.dev = dev;
|
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dev->ts1.nr = 0;
|
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mutex_init(&dev->ts1.dvb.lock);
|
|
INIT_LIST_HEAD(&dev->ts1.dmaqueue.list);
|
|
INIT_LIST_HEAD(&dev->ts1.dummy_dmaqueue.list);
|
|
mutex_init(&dev->ts1.dmaqueue_lock);
|
|
mutex_init(&dev->ts1.dummy_dmaqueue_lock);
|
|
|
|
/* Transport port B Defaults / setup */
|
|
dev->ts2.dev = dev;
|
|
dev->ts2.nr = 1;
|
|
mutex_init(&dev->ts2.dvb.lock);
|
|
INIT_LIST_HEAD(&dev->ts2.dmaqueue.list);
|
|
INIT_LIST_HEAD(&dev->ts2.dummy_dmaqueue.list);
|
|
mutex_init(&dev->ts2.dmaqueue_lock);
|
|
mutex_init(&dev->ts2.dummy_dmaqueue_lock);
|
|
|
|
if (get_resources(dev) < 0) {
|
|
printk(KERN_ERR "CORE %s No more PCIe resources for "
|
|
"subsystem: %04x:%04x\n",
|
|
dev->name, dev->pci->subsystem_vendor,
|
|
dev->pci->subsystem_device);
|
|
|
|
saa7164_devcount--;
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* PCI/e allocations */
|
|
dev->lmmio = ioremap(pci_resource_start(dev->pci, 0),
|
|
pci_resource_len(dev->pci, 0));
|
|
|
|
dev->lmmio2 = ioremap(pci_resource_start(dev->pci, 2),
|
|
pci_resource_len(dev->pci, 2));
|
|
|
|
dev->bmmio = (u8 __iomem *)dev->lmmio;
|
|
dev->bmmio2 = (u8 __iomem *)dev->lmmio2;
|
|
|
|
/* Inerrupt and ack register locations offset of bmmio */
|
|
dev->int_status = 0x183000 + 0xf80;
|
|
dev->int_ack = 0x183000 + 0xf90;
|
|
|
|
printk(KERN_INFO
|
|
"CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
|
|
dev->name, dev->pci->subsystem_vendor,
|
|
dev->pci->subsystem_device, saa7164_boards[dev->board].name,
|
|
dev->board, card[dev->nr] == dev->board ?
|
|
"insmod option" : "autodetected");
|
|
|
|
saa7164_pci_quirks(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void saa7164_dev_unregister(struct saa7164_dev *dev)
|
|
{
|
|
dprintk(1, "%s()\n", __func__);
|
|
|
|
release_mem_region(pci_resource_start(dev->pci, 0),
|
|
pci_resource_len(dev->pci, 0));
|
|
|
|
release_mem_region(pci_resource_start(dev->pci, 2),
|
|
pci_resource_len(dev->pci, 2));
|
|
|
|
if (!atomic_dec_and_test(&dev->refcount))
|
|
return;
|
|
|
|
iounmap(dev->lmmio);
|
|
iounmap(dev->lmmio2);
|
|
|
|
return;
|
|
}
|
|
|
|
static int __devinit saa7164_initdev(struct pci_dev *pci_dev,
|
|
const struct pci_device_id *pci_id)
|
|
{
|
|
struct saa7164_dev *dev;
|
|
int err, i;
|
|
u32 version;
|
|
|
|
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
|
|
if (NULL == dev)
|
|
return -ENOMEM;
|
|
|
|
/* pci init */
|
|
dev->pci = pci_dev;
|
|
if (pci_enable_device(pci_dev)) {
|
|
err = -EIO;
|
|
goto fail_free;
|
|
}
|
|
|
|
if (saa7164_dev_setup(dev) < 0) {
|
|
err = -EINVAL;
|
|
goto fail_free;
|
|
}
|
|
|
|
/* print pci info */
|
|
pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
|
|
pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
|
|
printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
|
|
"latency: %d, mmio: 0x%llx\n", dev->name,
|
|
pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
|
|
dev->pci_lat,
|
|
(unsigned long long)pci_resource_start(pci_dev, 0));
|
|
|
|
pci_set_master(pci_dev);
|
|
/* TODO */
|
|
if (!pci_dma_supported(pci_dev, 0xffffffff)) {
|
|
printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
|
|
err = -EIO;
|
|
goto fail_irq;
|
|
}
|
|
|
|
err = request_irq(pci_dev->irq, saa7164_irq,
|
|
IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
|
|
if (err < 0) {
|
|
printk(KERN_ERR "%s: can't get IRQ %d\n", dev->name,
|
|
pci_dev->irq);
|
|
err = -EIO;
|
|
goto fail_irq;
|
|
}
|
|
|
|
pci_set_drvdata(pci_dev, dev);
|
|
|
|
/* Init the internal command list */
|
|
for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) {
|
|
dev->cmds[i].seqno = i;
|
|
dev->cmds[i].inuse = 0;
|
|
mutex_init(&dev->cmds[i].lock);
|
|
init_waitqueue_head(&dev->cmds[i].wait);
|
|
}
|
|
|
|
/* We need a deferred interrupt handler for cmd handling */
|
|
INIT_WORK(&dev->workcmd, saa7164_work_cmdhandler);
|
|
|
|
/* Only load the firmware if we know the board */
|
|
if (dev->board != SAA7164_BOARD_UNKNOWN) {
|
|
|
|
err = saa7164_downloadfirmware(dev);
|
|
if (err < 0) {
|
|
printk(KERN_ERR
|
|
"Failed to boot firmware, no features "
|
|
"registered\n");
|
|
goto fail_fw;
|
|
}
|
|
|
|
saa7164_get_descriptors(dev);
|
|
saa7164_dumpregs(dev, 0);
|
|
saa7164_getcurrentfirmwareversion(dev);
|
|
saa7164_getfirmwarestatus(dev);
|
|
err = saa7164_bus_setup(dev);
|
|
if (err < 0)
|
|
printk(KERN_ERR
|
|
"Failed to setup the bus, will continue\n");
|
|
saa7164_bus_dump(dev);
|
|
|
|
/* Ping the running firmware via the command bus and get the
|
|
* firmware version, this checks the bus is running OK.
|
|
*/
|
|
version = 0;
|
|
if (saa7164_api_get_fw_version(dev, &version) == SAA_OK)
|
|
dprintk(1, "Bus is operating correctly using "
|
|
"version %d.%d.%d.%d (0x%x)\n",
|
|
(version & 0x0000fc00) >> 10,
|
|
(version & 0x000003e0) >> 5,
|
|
(version & 0x0000001f),
|
|
(version & 0xffff0000) >> 16,
|
|
version);
|
|
else
|
|
printk(KERN_ERR
|
|
"Failed to communicate with the firmware\n");
|
|
|
|
/* Bring up the I2C buses */
|
|
saa7164_i2c_register(&dev->i2c_bus[0]);
|
|
saa7164_i2c_register(&dev->i2c_bus[1]);
|
|
saa7164_i2c_register(&dev->i2c_bus[2]);
|
|
saa7164_gpio_setup(dev);
|
|
saa7164_card_setup(dev);
|
|
|
|
|
|
/* Parse the dynamic device configuration, find various
|
|
* media endpoints (MPEG, WMV, PS, TS) and cache their
|
|
* configuration details into the driver, so we can
|
|
* reference them later during simething_register() func,
|
|
* interrupt handlers, deferred work handlers etc.
|
|
*/
|
|
saa7164_api_enum_subdevs(dev);
|
|
|
|
/* Begin to create the video sub-systems and register funcs */
|
|
if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB) {
|
|
if (saa7164_dvb_register(&dev->ts1) < 0) {
|
|
printk(KERN_ERR "%s() Failed to register "
|
|
"dvb adapters on porta\n",
|
|
__func__);
|
|
}
|
|
}
|
|
|
|
if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB) {
|
|
if (saa7164_dvb_register(&dev->ts2) < 0) {
|
|
printk(KERN_ERR"%s() Failed to register "
|
|
"dvb adapters on portb\n",
|
|
__func__);
|
|
}
|
|
}
|
|
|
|
} /* != BOARD_UNKNOWN */
|
|
else
|
|
printk(KERN_ERR "%s() Unsupported board detected, "
|
|
"registering without firmware\n", __func__);
|
|
|
|
dprintk(1, "%s() parameter debug = %d\n", __func__, saa_debug);
|
|
dprintk(1, "%s() parameter waitsecs = %d\n", __func__, waitsecs);
|
|
|
|
fail_fw:
|
|
return 0;
|
|
|
|
fail_irq:
|
|
saa7164_dev_unregister(dev);
|
|
fail_free:
|
|
kfree(dev);
|
|
return err;
|
|
}
|
|
|
|
static void saa7164_shutdown(struct saa7164_dev *dev)
|
|
{
|
|
dprintk(1, "%s()\n", __func__);
|
|
}
|
|
|
|
static void __devexit saa7164_finidev(struct pci_dev *pci_dev)
|
|
{
|
|
struct saa7164_dev *dev = pci_get_drvdata(pci_dev);
|
|
|
|
saa7164_shutdown(dev);
|
|
|
|
if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB)
|
|
saa7164_dvb_unregister(&dev->ts1);
|
|
|
|
if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB)
|
|
saa7164_dvb_unregister(&dev->ts2);
|
|
|
|
saa7164_i2c_unregister(&dev->i2c_bus[0]);
|
|
saa7164_i2c_unregister(&dev->i2c_bus[1]);
|
|
saa7164_i2c_unregister(&dev->i2c_bus[2]);
|
|
|
|
pci_disable_device(pci_dev);
|
|
|
|
/* unregister stuff */
|
|
free_irq(pci_dev->irq, dev);
|
|
pci_set_drvdata(pci_dev, NULL);
|
|
|
|
mutex_lock(&devlist);
|
|
list_del(&dev->devlist);
|
|
mutex_unlock(&devlist);
|
|
|
|
saa7164_dev_unregister(dev);
|
|
kfree(dev);
|
|
}
|
|
|
|
static struct pci_device_id saa7164_pci_tbl[] = {
|
|
{
|
|
/* SAA7164 */
|
|
.vendor = 0x1131,
|
|
.device = 0x7164,
|
|
.subvendor = PCI_ANY_ID,
|
|
.subdevice = PCI_ANY_ID,
|
|
}, {
|
|
/* --- end of list --- */
|
|
}
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, saa7164_pci_tbl);
|
|
|
|
static struct pci_driver saa7164_pci_driver = {
|
|
.name = "saa7164",
|
|
.id_table = saa7164_pci_tbl,
|
|
.probe = saa7164_initdev,
|
|
.remove = __devexit_p(saa7164_finidev),
|
|
/* TODO */
|
|
.suspend = NULL,
|
|
.resume = NULL,
|
|
};
|
|
|
|
static int saa7164_init(void)
|
|
{
|
|
printk(KERN_INFO "saa7164 driver loaded\n");
|
|
return pci_register_driver(&saa7164_pci_driver);
|
|
}
|
|
|
|
static void saa7164_fini(void)
|
|
{
|
|
pci_unregister_driver(&saa7164_pci_driver);
|
|
}
|
|
|
|
module_init(saa7164_init);
|
|
module_exit(saa7164_fini);
|
|
|