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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-06-14 16:35:57 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 23:30:06 -0300
commit25aee3debe0464f6c680173041fa3de30ec9ff54 (patch)
treee2b14f952a0831399f9cbb444cfb9c7980b6485b /drivers/media/dvb/pt1/pt1.c
parent786baecfe78f8e25547c628b48a60fc8e5636056 (diff)
downloadlinux-25aee3debe0464f6c680173041fa3de30ec9ff54.tar.bz2
[media] Rename media/dvb as media/pci
The remaining dvb drivers are pci, so rename them to match the bus. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/pt1/pt1.c')
-rw-r--r--drivers/media/dvb/pt1/pt1.c1246
1 files changed, 0 insertions, 1246 deletions
diff --git a/drivers/media/dvb/pt1/pt1.c b/drivers/media/dvb/pt1/pt1.c
deleted file mode 100644
index 15b35c4725f1..000000000000
--- a/drivers/media/dvb/pt1/pt1.c
+++ /dev/null
@@ -1,1246 +0,0 @@
-/*
- * driver for Earthsoft PT1/PT2
- *
- * Copyright (C) 2009 HIRANO Takahito <hiranotaka@zng.info>
- *
- * based on pt1dvr - http://pt1dvr.sourceforge.jp/
- * by Tomoaki Ishikawa <tomy@users.sourceforge.jp>
- *
- * 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/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-#include <linux/pci.h>
-#include <linux/kthread.h>
-#include <linux/freezer.h>
-#include <linux/ratelimit.h>
-
-#include "dvbdev.h"
-#include "dvb_demux.h"
-#include "dmxdev.h"
-#include "dvb_net.h"
-#include "dvb_frontend.h"
-
-#include "va1j5jf8007t.h"
-#include "va1j5jf8007s.h"
-
-#define DRIVER_NAME "earth-pt1"
-
-#define PT1_PAGE_SHIFT 12
-#define PT1_PAGE_SIZE (1 << PT1_PAGE_SHIFT)
-#define PT1_NR_UPACKETS 1024
-#define PT1_NR_BUFS 511
-
-struct pt1_buffer_page {
- __le32 upackets[PT1_NR_UPACKETS];
-};
-
-struct pt1_table_page {
- __le32 next_pfn;
- __le32 buf_pfns[PT1_NR_BUFS];
-};
-
-struct pt1_buffer {
- struct pt1_buffer_page *page;
- dma_addr_t addr;
-};
-
-struct pt1_table {
- struct pt1_table_page *page;
- dma_addr_t addr;
- struct pt1_buffer bufs[PT1_NR_BUFS];
-};
-
-#define PT1_NR_ADAPS 4
-
-struct pt1_adapter;
-
-struct pt1 {
- struct pci_dev *pdev;
- void __iomem *regs;
- struct i2c_adapter i2c_adap;
- int i2c_running;
- struct pt1_adapter *adaps[PT1_NR_ADAPS];
- struct pt1_table *tables;
- struct task_struct *kthread;
- int table_index;
- int buf_index;
-
- struct mutex lock;
- int power;
- int reset;
-};
-
-struct pt1_adapter {
- struct pt1 *pt1;
- int index;
-
- u8 *buf;
- int upacket_count;
- int packet_count;
- int st_count;
-
- struct dvb_adapter adap;
- struct dvb_demux demux;
- int users;
- struct dmxdev dmxdev;
- struct dvb_frontend *fe;
- int (*orig_set_voltage)(struct dvb_frontend *fe,
- fe_sec_voltage_t voltage);
- int (*orig_sleep)(struct dvb_frontend *fe);
- int (*orig_init)(struct dvb_frontend *fe);
-
- fe_sec_voltage_t voltage;
- int sleep;
-};
-
-#define pt1_printk(level, pt1, format, arg...) \
- dev_printk(level, &(pt1)->pdev->dev, format, ##arg)
-
-static void pt1_write_reg(struct pt1 *pt1, int reg, u32 data)
-{
- writel(data, pt1->regs + reg * 4);
-}
-
-static u32 pt1_read_reg(struct pt1 *pt1, int reg)
-{
- return readl(pt1->regs + reg * 4);
-}
-
-static int pt1_nr_tables = 8;
-module_param_named(nr_tables, pt1_nr_tables, int, 0);
-
-static void pt1_increment_table_count(struct pt1 *pt1)
-{
- pt1_write_reg(pt1, 0, 0x00000020);
-}
-
-static void pt1_init_table_count(struct pt1 *pt1)
-{
- pt1_write_reg(pt1, 0, 0x00000010);
-}
-
-static void pt1_register_tables(struct pt1 *pt1, u32 first_pfn)
-{
- pt1_write_reg(pt1, 5, first_pfn);
- pt1_write_reg(pt1, 0, 0x0c000040);
-}
-
-static void pt1_unregister_tables(struct pt1 *pt1)
-{
- pt1_write_reg(pt1, 0, 0x08080000);
-}
-
-static int pt1_sync(struct pt1 *pt1)
-{
- int i;
- for (i = 0; i < 57; i++) {
- if (pt1_read_reg(pt1, 0) & 0x20000000)
- return 0;
- pt1_write_reg(pt1, 0, 0x00000008);
- }
- pt1_printk(KERN_ERR, pt1, "could not sync\n");
- return -EIO;
-}
-
-static u64 pt1_identify(struct pt1 *pt1)
-{
- int i;
- u64 id;
- id = 0;
- for (i = 0; i < 57; i++) {
- id |= (u64)(pt1_read_reg(pt1, 0) >> 30 & 1) << i;
- pt1_write_reg(pt1, 0, 0x00000008);
- }
- return id;
-}
-
-static int pt1_unlock(struct pt1 *pt1)
-{
- int i;
- pt1_write_reg(pt1, 0, 0x00000008);
- for (i = 0; i < 3; i++) {
- if (pt1_read_reg(pt1, 0) & 0x80000000)
- return 0;
- schedule_timeout_uninterruptible((HZ + 999) / 1000);
- }
- pt1_printk(KERN_ERR, pt1, "could not unlock\n");
- return -EIO;
-}
-
-static int pt1_reset_pci(struct pt1 *pt1)
-{
- int i;
- pt1_write_reg(pt1, 0, 0x01010000);
- pt1_write_reg(pt1, 0, 0x01000000);
- for (i = 0; i < 10; i++) {
- if (pt1_read_reg(pt1, 0) & 0x00000001)
- return 0;
- schedule_timeout_uninterruptible((HZ + 999) / 1000);
- }
- pt1_printk(KERN_ERR, pt1, "could not reset PCI\n");
- return -EIO;
-}
-
-static int pt1_reset_ram(struct pt1 *pt1)
-{
- int i;
- pt1_write_reg(pt1, 0, 0x02020000);
- pt1_write_reg(pt1, 0, 0x02000000);
- for (i = 0; i < 10; i++) {
- if (pt1_read_reg(pt1, 0) & 0x00000002)
- return 0;
- schedule_timeout_uninterruptible((HZ + 999) / 1000);
- }
- pt1_printk(KERN_ERR, pt1, "could not reset RAM\n");
- return -EIO;
-}
-
-static int pt1_do_enable_ram(struct pt1 *pt1)
-{
- int i, j;
- u32 status;
- status = pt1_read_reg(pt1, 0) & 0x00000004;
- pt1_write_reg(pt1, 0, 0x00000002);
- for (i = 0; i < 10; i++) {
- for (j = 0; j < 1024; j++) {
- if ((pt1_read_reg(pt1, 0) & 0x00000004) != status)
- return 0;
- }
- schedule_timeout_uninterruptible((HZ + 999) / 1000);
- }
- pt1_printk(KERN_ERR, pt1, "could not enable RAM\n");
- return -EIO;
-}
-
-static int pt1_enable_ram(struct pt1 *pt1)
-{
- int i, ret;
- int phase;
- schedule_timeout_uninterruptible((HZ + 999) / 1000);
- phase = pt1->pdev->device == 0x211a ? 128 : 166;
- for (i = 0; i < phase; i++) {
- ret = pt1_do_enable_ram(pt1);
- if (ret < 0)
- return ret;
- }
- return 0;
-}
-
-static void pt1_disable_ram(struct pt1 *pt1)
-{
- pt1_write_reg(pt1, 0, 0x0b0b0000);
-}
-
-static void pt1_set_stream(struct pt1 *pt1, int index, int enabled)
-{
- pt1_write_reg(pt1, 2, 1 << (index + 8) | enabled << index);
-}
-
-static void pt1_init_streams(struct pt1 *pt1)
-{
- int i;
- for (i = 0; i < PT1_NR_ADAPS; i++)
- pt1_set_stream(pt1, i, 0);
-}
-
-static int pt1_filter(struct pt1 *pt1, struct pt1_buffer_page *page)
-{
- u32 upacket;
- int i;
- int index;
- struct pt1_adapter *adap;
- int offset;
- u8 *buf;
- int sc;
-
- if (!page->upackets[PT1_NR_UPACKETS - 1])
- return 0;
-
- for (i = 0; i < PT1_NR_UPACKETS; i++) {
- upacket = le32_to_cpu(page->upackets[i]);
- index = (upacket >> 29) - 1;
- if (index < 0 || index >= PT1_NR_ADAPS)
- continue;
-
- adap = pt1->adaps[index];
- if (upacket >> 25 & 1)
- adap->upacket_count = 0;
- else if (!adap->upacket_count)
- continue;
-
- if (upacket >> 24 & 1)
- printk_ratelimited(KERN_INFO "earth-pt1: device "
- "buffer overflowing. table[%d] buf[%d]\n",
- pt1->table_index, pt1->buf_index);
- sc = upacket >> 26 & 0x7;
- if (adap->st_count != -1 && sc != ((adap->st_count + 1) & 0x7))
- printk_ratelimited(KERN_INFO "earth-pt1: data loss"
- " in streamID(adapter)[%d]\n", index);
- adap->st_count = sc;
-
- buf = adap->buf;
- offset = adap->packet_count * 188 + adap->upacket_count * 3;
- buf[offset] = upacket >> 16;
- buf[offset + 1] = upacket >> 8;
- if (adap->upacket_count != 62)
- buf[offset + 2] = upacket;
-
- if (++adap->upacket_count >= 63) {
- adap->upacket_count = 0;
- if (++adap->packet_count >= 21) {
- dvb_dmx_swfilter_packets(&adap->demux, buf, 21);
- adap->packet_count = 0;
- }
- }
- }
-
- page->upackets[PT1_NR_UPACKETS - 1] = 0;
- return 1;
-}
-
-static int pt1_thread(void *data)
-{
- struct pt1 *pt1;
- struct pt1_buffer_page *page;
-
- pt1 = data;
- set_freezable();
-
- while (!kthread_should_stop()) {
- try_to_freeze();
-
- page = pt1->tables[pt1->table_index].bufs[pt1->buf_index].page;
- if (!pt1_filter(pt1, page)) {
- schedule_timeout_interruptible((HZ + 999) / 1000);
- continue;
- }
-
- if (++pt1->buf_index >= PT1_NR_BUFS) {
- pt1_increment_table_count(pt1);
- pt1->buf_index = 0;
- if (++pt1->table_index >= pt1_nr_tables)
- pt1->table_index = 0;
- }
- }
-
- return 0;
-}
-
-static void pt1_free_page(struct pt1 *pt1, void *page, dma_addr_t addr)
-{
- dma_free_coherent(&pt1->pdev->dev, PT1_PAGE_SIZE, page, addr);
-}
-
-static void *pt1_alloc_page(struct pt1 *pt1, dma_addr_t *addrp, u32 *pfnp)
-{
- void *page;
- dma_addr_t addr;
-
- page = dma_alloc_coherent(&pt1->pdev->dev, PT1_PAGE_SIZE, &addr,
- GFP_KERNEL);
- if (page == NULL)
- return NULL;
-
- BUG_ON(addr & (PT1_PAGE_SIZE - 1));
- BUG_ON(addr >> PT1_PAGE_SHIFT >> 31 >> 1);
-
- *addrp = addr;
- *pfnp = addr >> PT1_PAGE_SHIFT;
- return page;
-}
-
-static void pt1_cleanup_buffer(struct pt1 *pt1, struct pt1_buffer *buf)
-{
- pt1_free_page(pt1, buf->page, buf->addr);
-}
-
-static int
-pt1_init_buffer(struct pt1 *pt1, struct pt1_buffer *buf, u32 *pfnp)
-{
- struct pt1_buffer_page *page;
- dma_addr_t addr;
-
- page = pt1_alloc_page(pt1, &addr, pfnp);
- if (page == NULL)
- return -ENOMEM;
-
- page->upackets[PT1_NR_UPACKETS - 1] = 0;
-
- buf->page = page;
- buf->addr = addr;
- return 0;
-}
-
-static void pt1_cleanup_table(struct pt1 *pt1, struct pt1_table *table)
-{
- int i;
-
- for (i = 0; i < PT1_NR_BUFS; i++)
- pt1_cleanup_buffer(pt1, &table->bufs[i]);
-
- pt1_free_page(pt1, table->page, table->addr);
-}
-
-static int
-pt1_init_table(struct pt1 *pt1, struct pt1_table *table, u32 *pfnp)
-{
- struct pt1_table_page *page;
- dma_addr_t addr;
- int i, ret;
- u32 buf_pfn;
-
- page = pt1_alloc_page(pt1, &addr, pfnp);
- if (page == NULL)
- return -ENOMEM;
-
- for (i = 0; i < PT1_NR_BUFS; i++) {
- ret = pt1_init_buffer(pt1, &table->bufs[i], &buf_pfn);
- if (ret < 0)
- goto err;
-
- page->buf_pfns[i] = cpu_to_le32(buf_pfn);
- }
-
- pt1_increment_table_count(pt1);
- table->page = page;
- table->addr = addr;
- return 0;
-
-err:
- while (i--)
- pt1_cleanup_buffer(pt1, &table->bufs[i]);
-
- pt1_free_page(pt1, page, addr);
- return ret;
-}
-
-static void pt1_cleanup_tables(struct pt1 *pt1)
-{
- struct pt1_table *tables;
- int i;
-
- tables = pt1->tables;
- pt1_unregister_tables(pt1);
-
- for (i = 0; i < pt1_nr_tables; i++)
- pt1_cleanup_table(pt1, &tables[i]);
-
- vfree(tables);
-}
-
-static int pt1_init_tables(struct pt1 *pt1)
-{
- struct pt1_table *tables;
- int i, ret;
- u32 first_pfn, pfn;
-
- tables = vmalloc(sizeof(struct pt1_table) * pt1_nr_tables);
- if (tables == NULL)
- return -ENOMEM;
-
- pt1_init_table_count(pt1);
-
- i = 0;
- if (pt1_nr_tables) {
- ret = pt1_init_table(pt1, &tables[0], &first_pfn);
- if (ret)
- goto err;
- i++;
- }
-
- while (i < pt1_nr_tables) {
- ret = pt1_init_table(pt1, &tables[i], &pfn);
- if (ret)
- goto err;
- tables[i - 1].page->next_pfn = cpu_to_le32(pfn);
- i++;
- }
-
- tables[pt1_nr_tables - 1].page->next_pfn = cpu_to_le32(first_pfn);
-
- pt1_register_tables(pt1, first_pfn);
- pt1->tables = tables;
- return 0;
-
-err:
- while (i--)
- pt1_cleanup_table(pt1, &tables[i]);
-
- vfree(tables);
- return ret;
-}
-
-static int pt1_start_polling(struct pt1 *pt1)
-{
- int ret = 0;
-
- mutex_lock(&pt1->lock);
- if (!pt1->kthread) {
- pt1->kthread = kthread_run(pt1_thread, pt1, "earth-pt1");
- if (IS_ERR(pt1->kthread)) {
- ret = PTR_ERR(pt1->kthread);
- pt1->kthread = NULL;
- }
- }
- mutex_unlock(&pt1->lock);
- return ret;
-}
-
-static int pt1_start_feed(struct dvb_demux_feed *feed)
-{
- struct pt1_adapter *adap;
- adap = container_of(feed->demux, struct pt1_adapter, demux);
- if (!adap->users++) {
- int ret;
-
- ret = pt1_start_polling(adap->pt1);
- if (ret)
- return ret;
- pt1_set_stream(adap->pt1, adap->index, 1);
- }
- return 0;
-}
-
-static void pt1_stop_polling(struct pt1 *pt1)
-{
- int i, count;
-
- mutex_lock(&pt1->lock);
- for (i = 0, count = 0; i < PT1_NR_ADAPS; i++)
- count += pt1->adaps[i]->users;
-
- if (count == 0 && pt1->kthread) {
- kthread_stop(pt1->kthread);
- pt1->kthread = NULL;
- }
- mutex_unlock(&pt1->lock);
-}
-
-static int pt1_stop_feed(struct dvb_demux_feed *feed)
-{
- struct pt1_adapter *adap;
- adap = container_of(feed->demux, struct pt1_adapter, demux);
- if (!--adap->users) {
- pt1_set_stream(adap->pt1, adap->index, 0);
- pt1_stop_polling(adap->pt1);
- }
- return 0;
-}
-
-static void
-pt1_update_power(struct pt1 *pt1)
-{
- int bits;
- int i;
- struct pt1_adapter *adap;
- static const int sleep_bits[] = {
- 1 << 4,
- 1 << 6 | 1 << 7,
- 1 << 5,
- 1 << 6 | 1 << 8,
- };
-
- bits = pt1->power | !pt1->reset << 3;
- mutex_lock(&pt1->lock);
- for (i = 0; i < PT1_NR_ADAPS; i++) {
- adap = pt1->adaps[i];
- switch (adap->voltage) {
- case SEC_VOLTAGE_13: /* actually 11V */
- bits |= 1 << 1;
- break;
- case SEC_VOLTAGE_18: /* actually 15V */
- bits |= 1 << 1 | 1 << 2;
- break;
- default:
- break;
- }
-
- /* XXX: The bits should be changed depending on adap->sleep. */
- bits |= sleep_bits[i];
- }
- pt1_write_reg(pt1, 1, bits);
- mutex_unlock(&pt1->lock);
-}
-
-static int pt1_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
-{
- struct pt1_adapter *adap;
-
- adap = container_of(fe->dvb, struct pt1_adapter, adap);
- adap->voltage = voltage;
- pt1_update_power(adap->pt1);
-
- if (adap->orig_set_voltage)
- return adap->orig_set_voltage(fe, voltage);
- else
- return 0;
-}
-
-static int pt1_sleep(struct dvb_frontend *fe)
-{
- struct pt1_adapter *adap;
-
- adap = container_of(fe->dvb, struct pt1_adapter, adap);
- adap->sleep = 1;
- pt1_update_power(adap->pt1);
-
- if (adap->orig_sleep)
- return adap->orig_sleep(fe);
- else
- return 0;
-}
-
-static int pt1_wakeup(struct dvb_frontend *fe)
-{
- struct pt1_adapter *adap;
-
- adap = container_of(fe->dvb, struct pt1_adapter, adap);
- adap->sleep = 0;
- pt1_update_power(adap->pt1);
- schedule_timeout_uninterruptible((HZ + 999) / 1000);
-
- if (adap->orig_init)
- return adap->orig_init(fe);
- else
- return 0;
-}
-
-static void pt1_free_adapter(struct pt1_adapter *adap)
-{
- adap->demux.dmx.close(&adap->demux.dmx);
- dvb_dmxdev_release(&adap->dmxdev);
- dvb_dmx_release(&adap->demux);
- dvb_unregister_adapter(&adap->adap);
- free_page((unsigned long)adap->buf);
- kfree(adap);
-}
-
-DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
-
-static struct pt1_adapter *
-pt1_alloc_adapter(struct pt1 *pt1)
-{
- struct pt1_adapter *adap;
- void *buf;
- struct dvb_adapter *dvb_adap;
- struct dvb_demux *demux;
- struct dmxdev *dmxdev;
- int ret;
-
- adap = kzalloc(sizeof(struct pt1_adapter), GFP_KERNEL);
- if (!adap) {
- ret = -ENOMEM;
- goto err;
- }
-
- adap->pt1 = pt1;
-
- adap->voltage = SEC_VOLTAGE_OFF;
- adap->sleep = 1;
-
- buf = (u8 *)__get_free_page(GFP_KERNEL);
- if (!buf) {
- ret = -ENOMEM;
- goto err_kfree;
- }
-
- adap->buf = buf;
- adap->upacket_count = 0;
- adap->packet_count = 0;
- adap->st_count = -1;
-
- dvb_adap = &adap->adap;
- dvb_adap->priv = adap;
- ret = dvb_register_adapter(dvb_adap, DRIVER_NAME, THIS_MODULE,
- &pt1->pdev->dev, adapter_nr);
- if (ret < 0)
- goto err_free_page;
-
- demux = &adap->demux;
- demux->dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
- demux->priv = adap;
- demux->feednum = 256;
- demux->filternum = 256;
- demux->start_feed = pt1_start_feed;
- demux->stop_feed = pt1_stop_feed;
- demux->write_to_decoder = NULL;
- ret = dvb_dmx_init(demux);
- if (ret < 0)
- goto err_unregister_adapter;
-
- dmxdev = &adap->dmxdev;
- dmxdev->filternum = 256;
- dmxdev->demux = &demux->dmx;
- dmxdev->capabilities = 0;
- ret = dvb_dmxdev_init(dmxdev, dvb_adap);
- if (ret < 0)
- goto err_dmx_release;
-
- return adap;
-
-err_dmx_release:
- dvb_dmx_release(demux);
-err_unregister_adapter:
- dvb_unregister_adapter(dvb_adap);
-err_free_page:
- free_page((unsigned long)buf);
-err_kfree:
- kfree(adap);
-err:
- return ERR_PTR(ret);
-}
-
-static void pt1_cleanup_adapters(struct pt1 *pt1)
-{
- int i;
- for (i = 0; i < PT1_NR_ADAPS; i++)
- pt1_free_adapter(pt1->adaps[i]);
-}
-
-static int pt1_init_adapters(struct pt1 *pt1)
-{
- int i;
- struct pt1_adapter *adap;
- int ret;
-
- for (i = 0; i < PT1_NR_ADAPS; i++) {
- adap = pt1_alloc_adapter(pt1);
- if (IS_ERR(adap)) {
- ret = PTR_ERR(adap);
- goto err;
- }
-
- adap->index = i;
- pt1->adaps[i] = adap;
- }
- return 0;
-
-err:
- while (i--)
- pt1_free_adapter(pt1->adaps[i]);
-
- return ret;
-}
-
-static void pt1_cleanup_frontend(struct pt1_adapter *adap)
-{
- dvb_unregister_frontend(adap->fe);
-}
-
-static int pt1_init_frontend(struct pt1_adapter *adap, struct dvb_frontend *fe)
-{
- int ret;
-
- adap->orig_set_voltage = fe->ops.set_voltage;
- adap->orig_sleep = fe->ops.sleep;
- adap->orig_init = fe->ops.init;
- fe->ops.set_voltage = pt1_set_voltage;
- fe->ops.sleep = pt1_sleep;
- fe->ops.init = pt1_wakeup;
-
- ret = dvb_register_frontend(&adap->adap, fe);
- if (ret < 0)
- return ret;
-
- adap->fe = fe;
- return 0;
-}
-
-static void pt1_cleanup_frontends(struct pt1 *pt1)
-{
- int i;
- for (i = 0; i < PT1_NR_ADAPS; i++)
- pt1_cleanup_frontend(pt1->adaps[i]);
-}
-
-struct pt1_config {
- struct va1j5jf8007s_config va1j5jf8007s_config;
- struct va1j5jf8007t_config va1j5jf8007t_config;
-};
-
-static const struct pt1_config pt1_configs[2] = {
- {
- {
- .demod_address = 0x1b,
- .frequency = VA1J5JF8007S_20MHZ,
- },
- {
- .demod_address = 0x1a,
- .frequency = VA1J5JF8007T_20MHZ,
- },
- }, {
- {
- .demod_address = 0x19,
- .frequency = VA1J5JF8007S_20MHZ,
- },
- {
- .demod_address = 0x18,
- .frequency = VA1J5JF8007T_20MHZ,
- },
- },
-};
-
-static const struct pt1_config pt2_configs[2] = {
- {
- {
- .demod_address = 0x1b,
- .frequency = VA1J5JF8007S_25MHZ,
- },
- {
- .demod_address = 0x1a,
- .frequency = VA1J5JF8007T_25MHZ,
- },
- }, {
- {
- .demod_address = 0x19,
- .frequency = VA1J5JF8007S_25MHZ,
- },
- {
- .demod_address = 0x18,
- .frequency = VA1J5JF8007T_25MHZ,
- },
- },
-};
-
-static int pt1_init_frontends(struct pt1 *pt1)
-{
- int i, j;
- struct i2c_adapter *i2c_adap;
- const struct pt1_config *configs, *config;
- struct dvb_frontend *fe[4];
- int ret;
-
- i = 0;
- j = 0;
-
- i2c_adap = &pt1->i2c_adap;
- configs = pt1->pdev->device == 0x211a ? pt1_configs : pt2_configs;
- do {
- config = &configs[i / 2];
-
- fe[i] = va1j5jf8007s_attach(&config->va1j5jf8007s_config,
- i2c_adap);
- if (!fe[i]) {
- ret = -ENODEV; /* This does not sound nice... */
- goto err;
- }
- i++;
-
- fe[i] = va1j5jf8007t_attach(&config->va1j5jf8007t_config,
- i2c_adap);
- if (!fe[i]) {
- ret = -ENODEV;
- goto err;
- }
- i++;
-
- ret = va1j5jf8007s_prepare(fe[i - 2]);
- if (ret < 0)
- goto err;
-
- ret = va1j5jf8007t_prepare(fe[i - 1]);
- if (ret < 0)
- goto err;
-
- } while (i < 4);
-
- do {
- ret = pt1_init_frontend(pt1->adaps[j], fe[j]);
- if (ret < 0)
- goto err;
- } while (++j < 4);
-
- return 0;
-
-err:
- while (i-- > j)
- fe[i]->ops.release(fe[i]);
-
- while (j--)
- dvb_unregister_frontend(fe[j]);
-
- return ret;
-}
-
-static void pt1_i2c_emit(struct pt1 *pt1, int addr, int busy, int read_enable,
- int clock, int data, int next_addr)
-{
- pt1_write_reg(pt1, 4, addr << 18 | busy << 13 | read_enable << 12 |
- !clock << 11 | !data << 10 | next_addr);
-}
-
-static void pt1_i2c_write_bit(struct pt1 *pt1, int addr, int *addrp, int data)
-{
- pt1_i2c_emit(pt1, addr, 1, 0, 0, data, addr + 1);
- pt1_i2c_emit(pt1, addr + 1, 1, 0, 1, data, addr + 2);
- pt1_i2c_emit(pt1, addr + 2, 1, 0, 0, data, addr + 3);
- *addrp = addr + 3;
-}
-
-static void pt1_i2c_read_bit(struct pt1 *pt1, int addr, int *addrp)
-{
- pt1_i2c_emit(pt1, addr, 1, 0, 0, 1, addr + 1);
- pt1_i2c_emit(pt1, addr + 1, 1, 0, 1, 1, addr + 2);
- pt1_i2c_emit(pt1, addr + 2, 1, 1, 1, 1, addr + 3);
- pt1_i2c_emit(pt1, addr + 3, 1, 0, 0, 1, addr + 4);
- *addrp = addr + 4;
-}
-
-static void pt1_i2c_write_byte(struct pt1 *pt1, int addr, int *addrp, int data)
-{
- int i;
- for (i = 0; i < 8; i++)
- pt1_i2c_write_bit(pt1, addr, &addr, data >> (7 - i) & 1);
- pt1_i2c_write_bit(pt1, addr, &addr, 1);
- *addrp = addr;
-}
-
-static void pt1_i2c_read_byte(struct pt1 *pt1, int addr, int *addrp, int last)
-{
- int i;
- for (i = 0; i < 8; i++)
- pt1_i2c_read_bit(pt1, addr, &addr);
- pt1_i2c_write_bit(pt1, addr, &addr, last);
- *addrp = addr;
-}
-
-static void pt1_i2c_prepare(struct pt1 *pt1, int addr, int *addrp)
-{
- pt1_i2c_emit(pt1, addr, 1, 0, 1, 1, addr + 1);
- pt1_i2c_emit(pt1, addr + 1, 1, 0, 1, 0, addr + 2);
- pt1_i2c_emit(pt1, addr + 2, 1, 0, 0, 0, addr + 3);
- *addrp = addr + 3;
-}
-
-static void
-pt1_i2c_write_msg(struct pt1 *pt1, int addr, int *addrp, struct i2c_msg *msg)
-{
- int i;
- pt1_i2c_prepare(pt1, addr, &addr);
- pt1_i2c_write_byte(pt1, addr, &addr, msg->addr << 1);
- for (i = 0; i < msg->len; i++)
- pt1_i2c_write_byte(pt1, addr, &addr, msg->buf[i]);
- *addrp = addr;
-}
-
-static void
-pt1_i2c_read_msg(struct pt1 *pt1, int addr, int *addrp, struct i2c_msg *msg)
-{
- int i;
- pt1_i2c_prepare(pt1, addr, &addr);
- pt1_i2c_write_byte(pt1, addr, &addr, msg->addr << 1 | 1);
- for (i = 0; i < msg->len; i++)
- pt1_i2c_read_byte(pt1, addr, &addr, i == msg->len - 1);
- *addrp = addr;
-}
-
-static int pt1_i2c_end(struct pt1 *pt1, int addr)
-{
- pt1_i2c_emit(pt1, addr, 1, 0, 0, 0, addr + 1);
- pt1_i2c_emit(pt1, addr + 1, 1, 0, 1, 0, addr + 2);
- pt1_i2c_emit(pt1, addr + 2, 1, 0, 1, 1, 0);
-
- pt1_write_reg(pt1, 0, 0x00000004);
- do {
- if (signal_pending(current))
- return -EINTR;
- schedule_timeout_interruptible((HZ + 999) / 1000);
- } while (pt1_read_reg(pt1, 0) & 0x00000080);
- return 0;
-}
-
-static void pt1_i2c_begin(struct pt1 *pt1, int *addrp)
-{
- int addr;
- addr = 0;
-
- pt1_i2c_emit(pt1, addr, 0, 0, 1, 1, addr /* itself */);
- addr = addr + 1;
-
- if (!pt1->i2c_running) {
- pt1_i2c_emit(pt1, addr, 1, 0, 1, 1, addr + 1);
- pt1_i2c_emit(pt1, addr + 1, 1, 0, 1, 0, addr + 2);
- addr = addr + 2;
- pt1->i2c_running = 1;
- }
- *addrp = addr;
-}
-
-static int pt1_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
-{
- struct pt1 *pt1;
- int i;
- struct i2c_msg *msg, *next_msg;
- int addr, ret;
- u16 len;
- u32 word;
-
- pt1 = i2c_get_adapdata(adap);
-
- for (i = 0; i < num; i++) {
- msg = &msgs[i];
- if (msg->flags & I2C_M_RD)
- return -ENOTSUPP;
-
- if (i + 1 < num)
- next_msg = &msgs[i + 1];
- else
- next_msg = NULL;
-
- if (next_msg && next_msg->flags & I2C_M_RD) {
- i++;
-
- len = next_msg->len;
- if (len > 4)
- return -ENOTSUPP;
-
- pt1_i2c_begin(pt1, &addr);
- pt1_i2c_write_msg(pt1, addr, &addr, msg);
- pt1_i2c_read_msg(pt1, addr, &addr, next_msg);
- ret = pt1_i2c_end(pt1, addr);
- if (ret < 0)
- return ret;
-
- word = pt1_read_reg(pt1, 2);
- while (len--) {
- next_msg->buf[len] = word;
- word >>= 8;
- }
- } else {
- pt1_i2c_begin(pt1, &addr);
- pt1_i2c_write_msg(pt1, addr, &addr, msg);
- ret = pt1_i2c_end(pt1, addr);
- if (ret < 0)
- return ret;
- }
- }
-
- return num;
-}
-
-static u32 pt1_i2c_func(struct i2c_adapter *adap)
-{
- return I2C_FUNC_I2C;
-}
-
-static const struct i2c_algorithm pt1_i2c_algo = {
- .master_xfer = pt1_i2c_xfer,
- .functionality = pt1_i2c_func,
-};
-
-static void pt1_i2c_wait(struct pt1 *pt1)
-{
- int i;
- for (i = 0; i < 128; i++)
- pt1_i2c_emit(pt1, 0, 0, 0, 1, 1, 0);
-}
-
-static void pt1_i2c_init(struct pt1 *pt1)
-{
- int i;
- for (i = 0; i < 1024; i++)
- pt1_i2c_emit(pt1, i, 0, 0, 1, 1, 0);
-}
-
-static void __devexit pt1_remove(struct pci_dev *pdev)
-{
- struct pt1 *pt1;
- void __iomem *regs;
-
- pt1 = pci_get_drvdata(pdev);
- regs = pt1->regs;
-
- if (pt1->kthread)
- kthread_stop(pt1->kthread);
- pt1_cleanup_tables(pt1);
- pt1_cleanup_frontends(pt1);
- pt1_disable_ram(pt1);
- pt1->power = 0;
- pt1->reset = 1;
- pt1_update_power(pt1);
- pt1_cleanup_adapters(pt1);
- i2c_del_adapter(&pt1->i2c_adap);
- pci_set_drvdata(pdev, NULL);
- kfree(pt1);
- pci_iounmap(pdev, regs);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
-}
-
-static int __devinit
-pt1_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
- int ret;
- void __iomem *regs;
- struct pt1 *pt1;
- struct i2c_adapter *i2c_adap;
-
- ret = pci_enable_device(pdev);
- if (ret < 0)
- goto err;
-
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
- if (ret < 0)
- goto err_pci_disable_device;
-
- pci_set_master(pdev);
-
- ret = pci_request_regions(pdev, DRIVER_NAME);
- if (ret < 0)
- goto err_pci_disable_device;
-
- regs = pci_iomap(pdev, 0, 0);
- if (!regs) {
- ret = -EIO;
- goto err_pci_release_regions;
- }
-
- pt1 = kzalloc(sizeof(struct pt1), GFP_KERNEL);
- if (!pt1) {
- ret = -ENOMEM;
- goto err_pci_iounmap;
- }
-
- mutex_init(&pt1->lock);
- pt1->pdev = pdev;
- pt1->regs = regs;
- pci_set_drvdata(pdev, pt1);
-
- ret = pt1_init_adapters(pt1);
- if (ret < 0)
- goto err_kfree;
-
- mutex_init(&pt1->lock);
-
- pt1->power = 0;
- pt1->reset = 1;
- pt1_update_power(pt1);
-
- i2c_adap = &pt1->i2c_adap;
- i2c_adap->algo = &pt1_i2c_algo;
- i2c_adap->algo_data = NULL;
- i2c_adap->dev.parent = &pdev->dev;
- strcpy(i2c_adap->name, DRIVER_NAME);
- i2c_set_adapdata(i2c_adap, pt1);
- ret = i2c_add_adapter(i2c_adap);
- if (ret < 0)
- goto err_pt1_cleanup_adapters;
-
- pt1_i2c_init(pt1);
- pt1_i2c_wait(pt1);
-
- ret = pt1_sync(pt1);
- if (ret < 0)
- goto err_i2c_del_adapter;
-
- pt1_identify(pt1);
-
- ret = pt1_unlock(pt1);
- if (ret < 0)
- goto err_i2c_del_adapter;
-
- ret = pt1_reset_pci(pt1);
- if (ret < 0)
- goto err_i2c_del_adapter;
-
- ret = pt1_reset_ram(pt1);
- if (ret < 0)
- goto err_i2c_del_adapter;
-
- ret = pt1_enable_ram(pt1);
- if (ret < 0)
- goto err_i2c_del_adapter;
-
- pt1_init_streams(pt1);
-
- pt1->power = 1;
- pt1_update_power(pt1);
- schedule_timeout_uninterruptible((HZ + 49) / 50);
-
- pt1->reset = 0;
- pt1_update_power(pt1);
- schedule_timeout_uninterruptible((HZ + 999) / 1000);
-
- ret = pt1_init_frontends(pt1);
- if (ret < 0)
- goto err_pt1_disable_ram;
-
- ret = pt1_init_tables(pt1);
- if (ret < 0)
- goto err_pt1_cleanup_frontends;
-
- return 0;
-
-err_pt1_cleanup_frontends:
- pt1_cleanup_frontends(pt1);
-err_pt1_disable_ram:
- pt1_disable_ram(pt1);
- pt1->power = 0;
- pt1->reset = 1;
- pt1_update_power(pt1);
-err_i2c_del_adapter:
- i2c_del_adapter(i2c_adap);
-err_pt1_cleanup_adapters:
- pt1_cleanup_adapters(pt1);
-err_kfree:
- pci_set_drvdata(pdev, NULL);
- kfree(pt1);
-err_pci_iounmap:
- pci_iounmap(pdev, regs);
-err_pci_release_regions:
- pci_release_regions(pdev);
-err_pci_disable_device:
- pci_disable_device(pdev);
-err:
- return ret;
-
-}
-
-static struct pci_device_id pt1_id_table[] = {
- { PCI_DEVICE(0x10ee, 0x211a) },
- { PCI_DEVICE(0x10ee, 0x222a) },
- { },
-};
-MODULE_DEVICE_TABLE(pci, pt1_id_table);
-
-static struct pci_driver pt1_driver = {
- .name = DRIVER_NAME,
- .probe = pt1_probe,
- .remove = __devexit_p(pt1_remove),
- .id_table = pt1_id_table,
-};
-
-
-static int __init pt1_init(void)
-{
- return pci_register_driver(&pt1_driver);
-}
-
-
-static void __exit pt1_cleanup(void)
-{
- pci_unregister_driver(&pt1_driver);
-}
-
-module_init(pt1_init);
-module_exit(pt1_cleanup);
-
-MODULE_AUTHOR("Takahito HIRANO <hiranotaka@zng.info>");
-MODULE_DESCRIPTION("Earthsoft PT1/PT2 Driver");
-MODULE_LICENSE("GPL");