forked from Minki/linux
b1912a85b5
-tip testing found that the x86 build (64-bit allyesconfig) fails due to: LD vmlinux.o drivers/built-in.o:(.bss+0x4b648): multiple definition of `debug' arch/x86/built-in.o:(.kprobes.text+0x88): first defined here ld: Warning: size of symbol `debug' changed from 90 in arch/x86/built-in.o to 4 in drivers/built-in.o make: *** [vmlinux.o] Error 1 This is because recent saa7164 changes introduced a global symbol named 'debug'. The x86 platform code already defines a 'debug' symbol. (which is named in a too generic way as well - but it can be used nicely to weed out too generic symbols in drivers ;-) Rename it to saa_debug. [mchehab@redhat.com: use module_param_named to preserve old name] Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
601 lines
17 KiB
C
601 lines
17 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/wait.h>
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#include "saa7164.h"
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int saa7164_api_transition_port(struct saa7164_tsport *port, u8 mode)
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{
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int ret;
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ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid, SET_CUR,
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SAA_STATE_CONTROL, sizeof(mode), &mode);
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if (ret != SAA_OK)
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printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
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return ret;
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}
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int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version)
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{
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int ret;
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ret = saa7164_cmd_send(dev, 0, GET_CUR,
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GET_FW_VERSION_CONTROL, sizeof(u32), version);
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if (ret != SAA_OK)
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printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
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return ret;
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}
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int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen)
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{
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u8 reg[] = { 0x0f, 0x00 };
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if (buflen < 128)
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return -ENOMEM;
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/* Assumption: Hauppauge eeprom is at 0xa0 on on bus 0 */
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/* TODO: Pull the details from the boards struct */
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return saa7164_api_i2c_read(&dev->i2c_bus[0], 0xa0 >> 1, sizeof(reg),
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®[0], 128, buf);
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}
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int saa7164_api_configure_port_mpeg2ts(struct saa7164_dev *dev,
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struct saa7164_tsport *port,
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tmComResTSFormatDescrHeader_t *tsfmt)
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{
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dprintk(DBGLVL_API, " bFormatIndex = 0x%x\n", tsfmt->bFormatIndex);
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dprintk(DBGLVL_API, " bDataOffset = 0x%x\n", tsfmt->bDataOffset);
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dprintk(DBGLVL_API, " bPacketLength= 0x%x\n", tsfmt->bPacketLength);
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dprintk(DBGLVL_API, " bStrideLength= 0x%x\n", tsfmt->bStrideLength);
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dprintk(DBGLVL_API, " bguid = (....)\n");
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/* Cache the hardware configuration in the port */
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port->bufcounter = port->hwcfg.BARLocation;
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port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32));
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port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32));
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port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32));
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port->bufptr32l = port->hwcfg.BARLocation +
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(4 * sizeof(u32)) +
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(sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32);
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port->bufptr32h = port->hwcfg.BARLocation +
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(4 * sizeof(u32)) +
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(sizeof(u32) * port->hwcfg.buffercount);
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port->bufptr64 = port->hwcfg.BARLocation +
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(4 * sizeof(u32)) +
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(sizeof(u32) * port->hwcfg.buffercount);
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dprintk(DBGLVL_API, " = port->hwcfg.BARLocation = 0x%x\n",
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port->hwcfg.BARLocation);
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dprintk(DBGLVL_API, " = VS_FORMAT_MPEGTS (becomes dev->ts[%d])\n",
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port->nr);
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return 0;
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}
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int saa7164_api_dump_subdevs(struct saa7164_dev *dev, u8 *buf, int len)
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{
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struct saa7164_tsport *port = 0;
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u32 idx, next_offset;
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int i;
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tmComResDescrHeader_t *hdr, *t;
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tmComResExtDevDescrHeader_t *exthdr;
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tmComResPathDescrHeader_t *pathhdr;
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tmComResAntTermDescrHeader_t *anttermhdr;
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tmComResTunerDescrHeader_t *tunerunithdr;
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tmComResDMATermDescrHeader_t *vcoutputtermhdr;
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tmComResTSFormatDescrHeader_t *tsfmt;
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u32 currpath = 0;
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dprintk(DBGLVL_API,
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"%s(?,?,%d) sizeof(tmComResDescrHeader_t) = %d bytes\n",
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__func__, len, (u32)sizeof(tmComResDescrHeader_t));
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for (idx = 0; idx < (len - sizeof(tmComResDescrHeader_t)); ) {
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hdr = (tmComResDescrHeader_t *)(buf + idx);
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if (hdr->type != CS_INTERFACE)
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return SAA_ERR_NOT_SUPPORTED;
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dprintk(DBGLVL_API, "@ 0x%x = \n", idx);
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switch (hdr->subtype) {
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case GENERAL_REQUEST:
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dprintk(DBGLVL_API, " GENERAL_REQUEST\n");
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break;
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case VC_TUNER_PATH:
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dprintk(DBGLVL_API, " VC_TUNER_PATH\n");
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pathhdr = (tmComResPathDescrHeader_t *)(buf + idx);
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dprintk(DBGLVL_API, " pathid = 0x%x\n",
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pathhdr->pathid);
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currpath = pathhdr->pathid;
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break;
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case VC_INPUT_TERMINAL:
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dprintk(DBGLVL_API, " VC_INPUT_TERMINAL\n");
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anttermhdr =
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(tmComResAntTermDescrHeader_t *)(buf + idx);
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dprintk(DBGLVL_API, " terminalid = 0x%x\n",
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anttermhdr->terminalid);
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dprintk(DBGLVL_API, " terminaltype = 0x%x\n",
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anttermhdr->terminaltype);
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switch (anttermhdr->terminaltype) {
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case ITT_ANTENNA:
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dprintk(DBGLVL_API, " = ITT_ANTENNA\n");
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break;
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case LINE_CONNECTOR:
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dprintk(DBGLVL_API, " = LINE_CONNECTOR\n");
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break;
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case SPDIF_CONNECTOR:
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dprintk(DBGLVL_API, " = SPDIF_CONNECTOR\n");
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break;
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case COMPOSITE_CONNECTOR:
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dprintk(DBGLVL_API,
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" = COMPOSITE_CONNECTOR\n");
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break;
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case SVIDEO_CONNECTOR:
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dprintk(DBGLVL_API, " = SVIDEO_CONNECTOR\n");
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break;
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case COMPONENT_CONNECTOR:
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dprintk(DBGLVL_API,
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" = COMPONENT_CONNECTOR\n");
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break;
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case STANDARD_DMA:
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dprintk(DBGLVL_API, " = STANDARD_DMA\n");
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break;
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default:
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dprintk(DBGLVL_API, " = undefined (0x%x)\n",
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anttermhdr->terminaltype);
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}
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dprintk(DBGLVL_API, " assocterminal= 0x%x\n",
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anttermhdr->assocterminal);
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dprintk(DBGLVL_API, " iterminal = 0x%x\n",
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anttermhdr->iterminal);
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dprintk(DBGLVL_API, " controlsize = 0x%x\n",
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anttermhdr->controlsize);
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break;
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case VC_OUTPUT_TERMINAL:
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dprintk(DBGLVL_API, " VC_OUTPUT_TERMINAL\n");
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vcoutputtermhdr =
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(tmComResDMATermDescrHeader_t *)(buf + idx);
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dprintk(DBGLVL_API, " unitid = 0x%x\n",
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vcoutputtermhdr->unitid);
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dprintk(DBGLVL_API, " terminaltype = 0x%x\n",
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vcoutputtermhdr->terminaltype);
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switch (vcoutputtermhdr->terminaltype) {
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case ITT_ANTENNA:
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dprintk(DBGLVL_API, " = ITT_ANTENNA\n");
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break;
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case LINE_CONNECTOR:
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dprintk(DBGLVL_API, " = LINE_CONNECTOR\n");
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break;
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case SPDIF_CONNECTOR:
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dprintk(DBGLVL_API, " = SPDIF_CONNECTOR\n");
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break;
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case COMPOSITE_CONNECTOR:
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dprintk(DBGLVL_API,
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" = COMPOSITE_CONNECTOR\n");
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break;
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case SVIDEO_CONNECTOR:
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dprintk(DBGLVL_API, " = SVIDEO_CONNECTOR\n");
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break;
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case COMPONENT_CONNECTOR:
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dprintk(DBGLVL_API,
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" = COMPONENT_CONNECTOR\n");
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break;
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case STANDARD_DMA:
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dprintk(DBGLVL_API, " = STANDARD_DMA\n");
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break;
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default:
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dprintk(DBGLVL_API, " = undefined (0x%x)\n",
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vcoutputtermhdr->terminaltype);
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}
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dprintk(DBGLVL_API, " assocterminal= 0x%x\n",
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vcoutputtermhdr->assocterminal);
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dprintk(DBGLVL_API, " sourceid = 0x%x\n",
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vcoutputtermhdr->sourceid);
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dprintk(DBGLVL_API, " iterminal = 0x%x\n",
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vcoutputtermhdr->iterminal);
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dprintk(DBGLVL_API, " BARLocation = 0x%x\n",
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vcoutputtermhdr->BARLocation);
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dprintk(DBGLVL_API, " flags = 0x%x\n",
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vcoutputtermhdr->flags);
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dprintk(DBGLVL_API, " interruptid = 0x%x\n",
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vcoutputtermhdr->interruptid);
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dprintk(DBGLVL_API, " buffercount = 0x%x\n",
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vcoutputtermhdr->buffercount);
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dprintk(DBGLVL_API, " metadatasize = 0x%x\n",
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vcoutputtermhdr->metadatasize);
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dprintk(DBGLVL_API, " controlsize = 0x%x\n",
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vcoutputtermhdr->controlsize);
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dprintk(DBGLVL_API, " numformats = 0x%x\n",
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vcoutputtermhdr->numformats);
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t = (tmComResDescrHeader_t *)
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((tmComResDMATermDescrHeader_t *)(buf + idx));
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next_offset = idx + (vcoutputtermhdr->len);
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for (i = 0; i < vcoutputtermhdr->numformats; i++) {
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t = (tmComResDescrHeader_t *)
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(buf + next_offset);
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switch (t->subtype) {
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case VS_FORMAT_MPEG2TS:
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tsfmt =
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(tmComResTSFormatDescrHeader_t *)t;
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if (currpath == 1)
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port = &dev->ts1;
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else
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port = &dev->ts2;
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memcpy(&port->hwcfg, vcoutputtermhdr,
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sizeof(*vcoutputtermhdr));
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saa7164_api_configure_port_mpeg2ts(dev,
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port, tsfmt);
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break;
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case VS_FORMAT_MPEG2PS:
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dprintk(DBGLVL_API,
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" = VS_FORMAT_MPEG2PS\n");
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break;
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case VS_FORMAT_VBI:
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dprintk(DBGLVL_API,
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" = VS_FORMAT_VBI\n");
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break;
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case VS_FORMAT_RDS:
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dprintk(DBGLVL_API,
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" = VS_FORMAT_RDS\n");
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break;
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case VS_FORMAT_UNCOMPRESSED:
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dprintk(DBGLVL_API,
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" = VS_FORMAT_UNCOMPRESSED\n");
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break;
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case VS_FORMAT_TYPE:
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dprintk(DBGLVL_API,
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" = VS_FORMAT_TYPE\n");
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break;
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default:
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dprintk(DBGLVL_API,
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" = undefined (0x%x)\n",
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t->subtype);
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}
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next_offset += t->len;
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}
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break;
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case TUNER_UNIT:
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dprintk(DBGLVL_API, " TUNER_UNIT\n");
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tunerunithdr =
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(tmComResTunerDescrHeader_t *)(buf + idx);
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dprintk(DBGLVL_API, " unitid = 0x%x\n",
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tunerunithdr->unitid);
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dprintk(DBGLVL_API, " sourceid = 0x%x\n",
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tunerunithdr->sourceid);
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dprintk(DBGLVL_API, " iunit = 0x%x\n",
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tunerunithdr->iunit);
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dprintk(DBGLVL_API, " tuningstandards = 0x%x\n",
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tunerunithdr->tuningstandards);
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dprintk(DBGLVL_API, " controlsize = 0x%x\n",
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tunerunithdr->controlsize);
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dprintk(DBGLVL_API, " controls = 0x%x\n",
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tunerunithdr->controls);
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break;
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case VC_SELECTOR_UNIT:
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dprintk(DBGLVL_API, " VC_SELECTOR_UNIT\n");
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break;
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case VC_PROCESSING_UNIT:
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dprintk(DBGLVL_API, " VC_PROCESSING_UNIT\n");
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break;
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case FEATURE_UNIT:
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dprintk(DBGLVL_API, " FEATURE_UNIT\n");
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break;
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case ENCODER_UNIT:
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dprintk(DBGLVL_API, " ENCODER_UNIT\n");
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break;
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case EXTENSION_UNIT:
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dprintk(DBGLVL_API, " EXTENSION_UNIT\n");
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exthdr = (tmComResExtDevDescrHeader_t *)(buf + idx);
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dprintk(DBGLVL_API, " unitid = 0x%x\n",
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exthdr->unitid);
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dprintk(DBGLVL_API, " deviceid = 0x%x\n",
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exthdr->deviceid);
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dprintk(DBGLVL_API, " devicetype = 0x%x\n",
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exthdr->devicetype);
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if (exthdr->devicetype & 0x1)
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dprintk(DBGLVL_API, " = Decoder Device\n");
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if (exthdr->devicetype & 0x2)
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dprintk(DBGLVL_API, " = GPIO Source\n");
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if (exthdr->devicetype & 0x4)
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dprintk(DBGLVL_API, " = Video Decoder\n");
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if (exthdr->devicetype & 0x8)
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dprintk(DBGLVL_API, " = Audio Decoder\n");
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if (exthdr->devicetype & 0x20)
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dprintk(DBGLVL_API, " = Crossbar\n");
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if (exthdr->devicetype & 0x40)
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dprintk(DBGLVL_API, " = Tuner\n");
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if (exthdr->devicetype & 0x80)
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dprintk(DBGLVL_API, " = IF PLL\n");
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if (exthdr->devicetype & 0x100)
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dprintk(DBGLVL_API, " = Demodulator\n");
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if (exthdr->devicetype & 0x200)
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dprintk(DBGLVL_API, " = RDS Decoder\n");
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if (exthdr->devicetype & 0x400)
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dprintk(DBGLVL_API, " = Encoder\n");
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if (exthdr->devicetype & 0x800)
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dprintk(DBGLVL_API, " = IR Decoder\n");
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if (exthdr->devicetype & 0x1000)
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dprintk(DBGLVL_API, " = EEPROM\n");
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if (exthdr->devicetype & 0x2000)
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dprintk(DBGLVL_API,
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" = VBI Decoder\n");
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if (exthdr->devicetype & 0x10000)
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dprintk(DBGLVL_API,
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" = Streaming Device\n");
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if (exthdr->devicetype & 0x20000)
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dprintk(DBGLVL_API,
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" = DRM Device\n");
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if (exthdr->devicetype & 0x40000000)
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dprintk(DBGLVL_API,
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" = Generic Device\n");
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if (exthdr->devicetype & 0x80000000)
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dprintk(DBGLVL_API,
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" = Config Space Device\n");
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dprintk(DBGLVL_API, " numgpiopins = 0x%x\n",
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exthdr->numgpiopins);
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dprintk(DBGLVL_API, " numgpiogroups = 0x%x\n",
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exthdr->numgpiogroups);
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dprintk(DBGLVL_API, " controlsize = 0x%x\n",
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exthdr->controlsize);
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break;
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case PVC_INFRARED_UNIT:
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dprintk(DBGLVL_API, " PVC_INFRARED_UNIT\n");
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break;
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case DRM_UNIT:
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dprintk(DBGLVL_API, " DRM_UNIT\n");
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break;
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default:
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dprintk(DBGLVL_API, "default %d\n", hdr->subtype);
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}
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dprintk(DBGLVL_API, " 1.%x\n", hdr->len);
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dprintk(DBGLVL_API, " 2.%x\n", hdr->type);
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dprintk(DBGLVL_API, " 3.%x\n", hdr->subtype);
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dprintk(DBGLVL_API, " 4.%x\n", hdr->unitid);
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idx += hdr->len;
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}
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return 0;
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}
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int saa7164_api_enum_subdevs(struct saa7164_dev *dev)
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{
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int ret;
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u32 buflen = 0;
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u8 *buf;
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dprintk(DBGLVL_API, "%s()\n", __func__);
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/* Get the total descriptor length */
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ret = saa7164_cmd_send(dev, 0, GET_LEN,
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GET_DESCRIPTORS_CONTROL, sizeof(buflen), &buflen);
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if (ret != SAA_OK)
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printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
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dprintk(DBGLVL_API, "%s() total descriptor size = %d bytes.\n",
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__func__, buflen);
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/* Allocate enough storage for all of the descs */
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buf = kzalloc(buflen, GFP_KERNEL);
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if (buf == NULL)
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return SAA_ERR_NO_RESOURCES;
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/* Retrieve them */
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ret = saa7164_cmd_send(dev, 0, GET_CUR,
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GET_DESCRIPTORS_CONTROL, buflen, buf);
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if (ret != SAA_OK) {
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printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
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goto out;
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}
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if (saa_debug & DBGLVL_API)
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saa7164_dumphex16(dev, buf, (buflen/16)*16);
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saa7164_api_dump_subdevs(dev, buf, buflen);
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out:
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kfree(buf);
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return ret;
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}
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int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg,
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u32 datalen, u8 *data)
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{
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struct saa7164_dev *dev = bus->dev;
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u16 len = 0;
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int unitid;
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u32 regval;
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u8 buf[256];
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int ret;
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dprintk(DBGLVL_API, "%s()\n", __func__);
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if (reglen > 4)
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return -EIO;
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if (reglen == 1)
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regval = *(reg);
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else
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if (reglen == 2)
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regval = ((*(reg) << 8) || *(reg+1));
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else
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if (reglen == 3)
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regval = ((*(reg) << 16) | (*(reg+1) << 8) | *(reg+2));
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else
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if (reglen == 4)
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regval = ((*(reg) << 24) | (*(reg+1) << 16) |
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(*(reg+2) << 8) | *(reg+3));
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/* Prepare the send buffer */
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/* Bytes 00-03 source register length
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* 04-07 source bytes to read
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* 08... register address
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*/
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memset(buf, 0, sizeof(buf));
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memcpy((buf + 2 * sizeof(u32) + 0), reg, reglen);
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*((u32 *)(buf + 0 * sizeof(u32))) = reglen;
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*((u32 *)(buf + 1 * sizeof(u32))) = datalen;
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unitid = saa7164_i2caddr_to_unitid(bus, addr);
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if (unitid < 0) {
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printk(KERN_ERR
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"%s() error, cannot translate regaddr 0x%x to unitid\n",
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__func__, addr);
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return -EIO;
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}
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ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN,
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EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len);
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if (ret != SAA_OK) {
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printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret);
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return -EIO;
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}
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dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len);
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if (saa_debug & DBGLVL_I2C)
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saa7164_dumphex16(dev, buf, 2 * 16);
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ret = saa7164_cmd_send(bus->dev, unitid, GET_CUR,
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EXU_REGISTER_ACCESS_CONTROL, len, &buf);
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if (ret != SAA_OK)
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printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret);
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else {
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if (saa_debug & DBGLVL_I2C)
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saa7164_dumphex16(dev, buf, sizeof(buf));
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memcpy(data, (buf + 2 * sizeof(u32) + reglen), datalen);
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}
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return ret == SAA_OK ? 0 : -EIO;
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}
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/* For a given 8 bit i2c address device, write the buffer */
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int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, u32 datalen,
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u8 *data)
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{
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struct saa7164_dev *dev = bus->dev;
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u16 len = 0;
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int unitid;
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int reglen;
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u8 buf[256];
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int ret;
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dprintk(DBGLVL_API, "%s()\n", __func__);
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if ((datalen == 0) || (datalen > 232))
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return -EIO;
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memset(buf, 0, sizeof(buf));
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unitid = saa7164_i2caddr_to_unitid(bus, addr);
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if (unitid < 0) {
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printk(KERN_ERR
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"%s() error, cannot translate regaddr 0x%x to unitid\n",
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__func__, addr);
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return -EIO;
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}
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reglen = saa7164_i2caddr_to_reglen(bus, addr);
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if (unitid < 0) {
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printk(KERN_ERR
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"%s() error, cannot translate regaddr to reglen\n",
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__func__);
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return -EIO;
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}
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ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN,
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EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len);
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if (ret != SAA_OK) {
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printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret);
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return -EIO;
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}
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dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len);
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/* Prepare the send buffer */
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/* Bytes 00-03 dest register length
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* 04-07 dest bytes to write
|
|
* 08... register address
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*/
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*((u32 *)(buf + 0 * sizeof(u32))) = reglen;
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*((u32 *)(buf + 1 * sizeof(u32))) = datalen - reglen;
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memcpy((buf + 2 * sizeof(u32)), data, datalen);
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if (saa_debug & DBGLVL_I2C)
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saa7164_dumphex16(dev, buf, sizeof(buf));
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ret = saa7164_cmd_send(bus->dev, unitid, SET_CUR,
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EXU_REGISTER_ACCESS_CONTROL, len, &buf);
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if (ret != SAA_OK)
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printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret);
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return ret == SAA_OK ? 0 : -EIO;
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}
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|
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int saa7164_api_modify_gpio(struct saa7164_dev *dev, u8 unitid,
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u8 pin, u8 state)
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{
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int ret;
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tmComResGPIO_t t;
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dprintk(DBGLVL_API, "%s(0x%x, %d, %d)\n",
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__func__, unitid, pin, state);
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if ((pin > 7) || (state > 2))
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return SAA_ERR_BAD_PARAMETER;
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t.pin = pin;
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t.state = state;
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ret = saa7164_cmd_send(dev, unitid, SET_CUR,
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EXU_GPIO_CONTROL, sizeof(t), &t);
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if (ret != SAA_OK)
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printk(KERN_ERR "%s() error, ret = 0x%x\n",
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__func__, ret);
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return ret;
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}
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int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid,
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u8 pin)
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{
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return saa7164_api_modify_gpio(dev, unitid, pin, 1);
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}
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int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid,
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u8 pin)
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{
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return saa7164_api_modify_gpio(dev, unitid, pin, 0);
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}
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