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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/media/pci/pt1/pt1.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/pci/pt1/pt1.c')
-rw-r--r--drivers/media/pci/pt1/pt1.c1482
1 files changed, 1482 insertions, 0 deletions
diff --git a/drivers/media/pci/pt1/pt1.c b/drivers/media/pci/pt1/pt1.c
new file mode 100644
index 0000000000..121a4a92ea
--- /dev/null
+++ b/drivers/media/pci/pt1/pt1.c
@@ -0,0 +1,1482 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * 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>
+ */
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/sched/signal.h>
+#include <linux/hrtimer.h>
+#include <linux/delay.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 <linux/string.h>
+#include <linux/i2c.h>
+
+#include <media/dvbdev.h>
+#include <media/dvb_demux.h>
+#include <media/dmxdev.h>
+#include <media/dvb_net.h>
+#include <media/dvb_frontend.h>
+
+#include "tc90522.h"
+#include "qm1d1b0004.h"
+#include "dvb-pll.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];
+};
+
+enum pt1_fe_clk {
+ PT1_FE_CLK_20MHZ, /* PT1 */
+ PT1_FE_CLK_25MHZ, /* PT2 */
+};
+
+#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;
+
+ enum pt1_fe_clk fe_clk;
+};
+
+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;
+ struct i2c_client *demod_i2c_client;
+ struct i2c_client *tuner_i2c_client;
+ int (*orig_set_voltage)(struct dvb_frontend *fe,
+ enum fe_sec_voltage voltage);
+ int (*orig_sleep)(struct dvb_frontend *fe);
+ int (*orig_init)(struct dvb_frontend *fe);
+
+ enum fe_sec_voltage voltage;
+ int sleep;
+};
+
+union pt1_tuner_config {
+ struct qm1d1b0004_config qm1d1b0004;
+ struct dvb_pll_config tda6651;
+};
+
+struct pt1_config {
+ struct i2c_board_info demod_info;
+ struct tc90522_config demod_cfg;
+
+ struct i2c_board_info tuner_info;
+ union pt1_tuner_config tuner_cfg;
+};
+
+static const struct pt1_config pt1_configs[PT1_NR_ADAPS] = {
+ {
+ .demod_info = {
+ I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x1b),
+ },
+ .tuner_info = {
+ I2C_BOARD_INFO("qm1d1b0004", 0x60),
+ },
+ },
+ {
+ .demod_info = {
+ I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x1a),
+ },
+ .tuner_info = {
+ I2C_BOARD_INFO("tda665x_earthpt1", 0x61),
+ },
+ },
+ {
+ .demod_info = {
+ I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x19),
+ },
+ .tuner_info = {
+ I2C_BOARD_INFO("qm1d1b0004", 0x60),
+ },
+ },
+ {
+ .demod_info = {
+ I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x18),
+ },
+ .tuner_info = {
+ I2C_BOARD_INFO("tda665x_earthpt1", 0x61),
+ },
+ },
+};
+
+static const u8 va1j5jf8007s_20mhz_configs[][2] = {
+ {0x04, 0x02}, {0x0d, 0x55}, {0x11, 0x40}, {0x13, 0x80}, {0x17, 0x01},
+ {0x1c, 0x0a}, {0x1d, 0xaa}, {0x1e, 0x20}, {0x1f, 0x88}, {0x51, 0xb0},
+ {0x52, 0x89}, {0x53, 0xb3}, {0x5a, 0x2d}, {0x5b, 0xd3}, {0x85, 0x69},
+ {0x87, 0x04}, {0x8e, 0x02}, {0xa3, 0xf7}, {0xa5, 0xc0},
+};
+
+static const u8 va1j5jf8007s_25mhz_configs[][2] = {
+ {0x04, 0x02}, {0x11, 0x40}, {0x13, 0x80}, {0x17, 0x01}, {0x1c, 0x0a},
+ {0x1d, 0xaa}, {0x1e, 0x20}, {0x1f, 0x88}, {0x51, 0xb0}, {0x52, 0x89},
+ {0x53, 0xb3}, {0x5a, 0x2d}, {0x5b, 0xd3}, {0x85, 0x69}, {0x87, 0x04},
+ {0x8e, 0x26}, {0xa3, 0xf7}, {0xa5, 0xc0},
+};
+
+static const u8 va1j5jf8007t_20mhz_configs[][2] = {
+ {0x03, 0x90}, {0x14, 0x8f}, {0x1c, 0x2a}, {0x1d, 0xa8}, {0x1e, 0xa2},
+ {0x22, 0x83}, {0x31, 0x0d}, {0x32, 0xe0}, {0x39, 0xd3}, {0x3a, 0x00},
+ {0x3b, 0x11}, {0x3c, 0x3f},
+ {0x5c, 0x40}, {0x5f, 0x80}, {0x75, 0x02}, {0x76, 0x4e}, {0x77, 0x03},
+ {0xef, 0x01}
+};
+
+static const u8 va1j5jf8007t_25mhz_configs[][2] = {
+ {0x03, 0x90}, {0x1c, 0x2a}, {0x1d, 0xa8}, {0x1e, 0xa2}, {0x22, 0x83},
+ {0x3a, 0x04}, {0x3b, 0x11}, {0x3c, 0x3f}, {0x5c, 0x40}, {0x5f, 0x80},
+ {0x75, 0x0a}, {0x76, 0x4c}, {0x77, 0x03}, {0xef, 0x01}
+};
+
+static int config_demod(struct i2c_client *cl, enum pt1_fe_clk clk)
+{
+ int ret;
+ bool is_sat;
+ const u8 (*cfg_data)[2];
+ int i, len;
+
+ is_sat = !strncmp(cl->name, TC90522_I2C_DEV_SAT,
+ strlen(TC90522_I2C_DEV_SAT));
+ if (is_sat) {
+ struct i2c_msg msg[2];
+ u8 wbuf, rbuf;
+
+ wbuf = 0x07;
+ msg[0].addr = cl->addr;
+ msg[0].flags = 0;
+ msg[0].len = 1;
+ msg[0].buf = &wbuf;
+
+ msg[1].addr = cl->addr;
+ msg[1].flags = I2C_M_RD;
+ msg[1].len = 1;
+ msg[1].buf = &rbuf;
+ ret = i2c_transfer(cl->adapter, msg, 2);
+ if (ret < 0)
+ return ret;
+ if (rbuf != 0x41)
+ return -EIO;
+ }
+
+ /* frontend init */
+ if (clk == PT1_FE_CLK_20MHZ) {
+ if (is_sat) {
+ cfg_data = va1j5jf8007s_20mhz_configs;
+ len = ARRAY_SIZE(va1j5jf8007s_20mhz_configs);
+ } else {
+ cfg_data = va1j5jf8007t_20mhz_configs;
+ len = ARRAY_SIZE(va1j5jf8007t_20mhz_configs);
+ }
+ } else {
+ if (is_sat) {
+ cfg_data = va1j5jf8007s_25mhz_configs;
+ len = ARRAY_SIZE(va1j5jf8007s_25mhz_configs);
+ } else {
+ cfg_data = va1j5jf8007t_25mhz_configs;
+ len = ARRAY_SIZE(va1j5jf8007t_25mhz_configs);
+ }
+ }
+
+ for (i = 0; i < len; i++) {
+ ret = i2c_master_send(cl, cfg_data[i], 2);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
+/*
+ * Init registers for (each pair of) terrestrial/satellite block in demod.
+ * Note that resetting terr. block also resets its peer sat. block as well.
+ * This function must be called before configuring any demod block
+ * (before pt1_wakeup(), fe->ops.init()).
+ */
+static int pt1_demod_block_init(struct pt1 *pt1)
+{
+ struct i2c_client *cl;
+ u8 buf[2] = {0x01, 0x80};
+ int ret;
+ int i;
+
+ /* reset all terr. & sat. pairs first */
+ for (i = 0; i < PT1_NR_ADAPS; i++) {
+ cl = pt1->adaps[i]->demod_i2c_client;
+ if (strncmp(cl->name, TC90522_I2C_DEV_TER,
+ strlen(TC90522_I2C_DEV_TER)))
+ continue;
+
+ ret = i2c_master_send(cl, buf, 2);
+ if (ret < 0)
+ return ret;
+ usleep_range(30000, 50000);
+ }
+
+ for (i = 0; i < PT1_NR_ADAPS; i++) {
+ cl = pt1->adaps[i]->demod_i2c_client;
+ if (strncmp(cl->name, TC90522_I2C_DEV_SAT,
+ strlen(TC90522_I2C_DEV_SAT)))
+ continue;
+
+ ret = i2c_master_send(cl, buf, 2);
+ if (ret < 0)
+ return ret;
+ usleep_range(30000, 50000);
+ }
+ return 0;
+}
+
+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 unsigned int pt1_nr_tables = 8;
+module_param_named(nr_tables, pt1_nr_tables, uint, 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);
+ }
+ dev_err(&pt1->pdev->dev, "could not sync\n");
+ return -EIO;
+}
+
+static u64 pt1_identify(struct pt1 *pt1)
+{
+ int i;
+ u64 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;
+ usleep_range(1000, 2000);
+ }
+ dev_err(&pt1->pdev->dev, "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;
+ usleep_range(1000, 2000);
+ }
+ dev_err(&pt1->pdev->dev, "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;
+ usleep_range(1000, 2000);
+ }
+ dev_err(&pt1->pdev->dev, "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;
+ }
+ usleep_range(1000, 2000);
+ }
+ dev_err(&pt1->pdev->dev, "could not enable RAM\n");
+ return -EIO;
+}
+
+static int pt1_enable_ram(struct pt1 *pt1)
+{
+ int i, ret;
+ int phase;
+ usleep_range(1000, 2000);
+ 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;
+ bool was_frozen;
+
+#define PT1_FETCH_DELAY 10
+#define PT1_FETCH_DELAY_DELTA 2
+
+ pt1 = data;
+ set_freezable();
+
+ while (!kthread_freezable_should_stop(&was_frozen)) {
+ if (was_frozen) {
+ int i;
+
+ for (i = 0; i < PT1_NR_ADAPS; i++)
+ pt1_set_stream(pt1, i, !!pt1->adaps[i]->users);
+ }
+
+ page = pt1->tables[pt1->table_index].bufs[pt1->buf_index].page;
+ if (!pt1_filter(pt1, page)) {
+ ktime_t delay;
+
+ delay = ktime_set(0, PT1_FETCH_DELAY * NSEC_PER_MSEC);
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_hrtimeout_range(&delay,
+ PT1_FETCH_DELAY_DELTA * NSEC_PER_MSEC,
+ HRTIMER_MODE_REL);
+ 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;
+
+ if (!pt1_nr_tables)
+ return 0;
+
+ tables = vmalloc(array_size(pt1_nr_tables, sizeof(struct pt1_table)));
+ if (tables == NULL)
+ return -ENOMEM;
+
+ pt1_init_table_count(pt1);
+
+ i = 0;
+ 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 << 2;
+ 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, enum fe_sec_voltage 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;
+ int ret;
+
+ adap = container_of(fe->dvb, struct pt1_adapter, adap);
+
+ ret = 0;
+ if (adap->orig_sleep)
+ ret = adap->orig_sleep(fe);
+
+ adap->sleep = 1;
+ pt1_update_power(adap->pt1);
+ return ret;
+}
+
+static int pt1_wakeup(struct dvb_frontend *fe)
+{
+ struct pt1_adapter *adap;
+ int ret;
+
+ adap = container_of(fe->dvb, struct pt1_adapter, adap);
+ adap->sleep = 0;
+ pt1_update_power(adap->pt1);
+ usleep_range(1000, 2000);
+
+ ret = config_demod(adap->demod_i2c_client, adap->pt1->fe_clk);
+ if (ret == 0 && adap->orig_init)
+ ret = adap->orig_init(fe);
+ return ret;
+}
+
+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);
+ dvb_module_release(adap->tuner_i2c_client);
+ dvb_module_release(adap->demod_i2c_client);
+}
+
+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]);
+}
+
+static int pt1_init_frontends(struct pt1 *pt1)
+{
+ int i;
+ int ret;
+
+ for (i = 0; i < ARRAY_SIZE(pt1_configs); i++) {
+ const struct i2c_board_info *info;
+ struct tc90522_config dcfg;
+ struct i2c_client *cl;
+
+ info = &pt1_configs[i].demod_info;
+ dcfg = pt1_configs[i].demod_cfg;
+ dcfg.tuner_i2c = NULL;
+
+ ret = -ENODEV;
+ cl = dvb_module_probe("tc90522", info->type, &pt1->i2c_adap,
+ info->addr, &dcfg);
+ if (!cl)
+ goto fe_unregister;
+ pt1->adaps[i]->demod_i2c_client = cl;
+
+ if (!strncmp(cl->name, TC90522_I2C_DEV_SAT,
+ strlen(TC90522_I2C_DEV_SAT))) {
+ struct qm1d1b0004_config tcfg;
+
+ info = &pt1_configs[i].tuner_info;
+ tcfg = pt1_configs[i].tuner_cfg.qm1d1b0004;
+ tcfg.fe = dcfg.fe;
+ cl = dvb_module_probe("qm1d1b0004",
+ info->type, dcfg.tuner_i2c,
+ info->addr, &tcfg);
+ } else {
+ struct dvb_pll_config tcfg;
+
+ info = &pt1_configs[i].tuner_info;
+ tcfg = pt1_configs[i].tuner_cfg.tda6651;
+ tcfg.fe = dcfg.fe;
+ cl = dvb_module_probe("dvb_pll",
+ info->type, dcfg.tuner_i2c,
+ info->addr, &tcfg);
+ }
+ if (!cl)
+ goto demod_release;
+ pt1->adaps[i]->tuner_i2c_client = cl;
+
+ ret = pt1_init_frontend(pt1->adaps[i], dcfg.fe);
+ if (ret < 0)
+ goto tuner_release;
+ }
+
+ ret = pt1_demod_block_init(pt1);
+ if (ret < 0)
+ goto fe_unregister;
+
+ return 0;
+
+tuner_release:
+ dvb_module_release(pt1->adaps[i]->tuner_i2c_client);
+demod_release:
+ dvb_module_release(pt1->adaps[i]->demod_i2c_client);
+fe_unregister:
+ dev_warn(&pt1->pdev->dev, "failed to init FE(%d).\n", i);
+ i--;
+ for (; i >= 0; i--) {
+ dvb_unregister_frontend(pt1->adaps[i]->fe);
+ dvb_module_release(pt1->adaps[i]->tuner_i2c_client);
+ dvb_module_release(pt1->adaps[i]->demod_i2c_client);
+ }
+ 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;
+ usleep_range(1000, 2000);
+ } while (pt1_read_reg(pt1, 0) & 0x00000080);
+ return 0;
+}
+
+static void pt1_i2c_begin(struct pt1 *pt1, int *addrp)
+{
+ int 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);
+}
+
+#ifdef CONFIG_PM_SLEEP
+
+static int pt1_suspend(struct device *dev)
+{
+ struct pt1 *pt1 = dev_get_drvdata(dev);
+
+ pt1_init_streams(pt1);
+ pt1_disable_ram(pt1);
+ pt1->power = 0;
+ pt1->reset = 1;
+ pt1_update_power(pt1);
+ return 0;
+}
+
+static int pt1_resume(struct device *dev)
+{
+ struct pt1 *pt1 = dev_get_drvdata(dev);
+ int ret;
+ int i;
+
+ pt1->power = 0;
+ pt1->reset = 1;
+ pt1_update_power(pt1);
+
+ pt1_i2c_init(pt1);
+ pt1_i2c_wait(pt1);
+
+ ret = pt1_sync(pt1);
+ if (ret < 0)
+ goto resume_err;
+
+ pt1_identify(pt1);
+
+ ret = pt1_unlock(pt1);
+ if (ret < 0)
+ goto resume_err;
+
+ ret = pt1_reset_pci(pt1);
+ if (ret < 0)
+ goto resume_err;
+
+ ret = pt1_reset_ram(pt1);
+ if (ret < 0)
+ goto resume_err;
+
+ ret = pt1_enable_ram(pt1);
+ if (ret < 0)
+ goto resume_err;
+
+ pt1_init_streams(pt1);
+
+ pt1->power = 1;
+ pt1_update_power(pt1);
+ msleep(20);
+
+ pt1->reset = 0;
+ pt1_update_power(pt1);
+ usleep_range(1000, 2000);
+
+ ret = pt1_demod_block_init(pt1);
+ if (ret < 0)
+ goto resume_err;
+
+ for (i = 0; i < PT1_NR_ADAPS; i++)
+ dvb_frontend_reinitialise(pt1->adaps[i]->fe);
+
+ pt1_init_table_count(pt1);
+ for (i = 0; i < pt1_nr_tables; i++) {
+ int j;
+
+ for (j = 0; j < PT1_NR_BUFS; j++)
+ pt1->tables[i].bufs[j].page->upackets[PT1_NR_UPACKETS-1]
+ = 0;
+ pt1_increment_table_count(pt1);
+ }
+ pt1_register_tables(pt1, pt1->tables[0].addr >> PT1_PAGE_SHIFT);
+
+ pt1->table_index = 0;
+ pt1->buf_index = 0;
+ for (i = 0; i < PT1_NR_ADAPS; i++) {
+ pt1->adaps[i]->upacket_count = 0;
+ pt1->adaps[i]->packet_count = 0;
+ pt1->adaps[i]->st_count = -1;
+ }
+
+ return 0;
+
+resume_err:
+ dev_info(&pt1->pdev->dev, "failed to resume PT1/PT2.");
+ return 0; /* resume anyway */
+}
+
+#endif /* CONFIG_PM_SLEEP */
+
+static void 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);
+ kfree(pt1);
+ pci_iounmap(pdev, regs);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+}
+
+static int 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 = dma_set_mask(&pdev->dev, 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;
+ pt1->fe_clk = (pdev->device == 0x211a) ?
+ PT1_FE_CLK_20MHZ : PT1_FE_CLK_25MHZ;
+ 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;
+ strscpy(i2c_adap->name, DRIVER_NAME, sizeof(i2c_adap->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);
+ msleep(20);
+
+ pt1->reset = 0;
+ pt1_update_power(pt1);
+ usleep_range(1000, 2000);
+
+ 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:
+ 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 const struct pci_device_id pt1_id_table[] = {
+ { PCI_DEVICE(0x10ee, 0x211a) },
+ { PCI_DEVICE(0x10ee, 0x222a) },
+ { },
+};
+MODULE_DEVICE_TABLE(pci, pt1_id_table);
+
+static SIMPLE_DEV_PM_OPS(pt1_pm_ops, pt1_suspend, pt1_resume);
+
+static struct pci_driver pt1_driver = {
+ .name = DRIVER_NAME,
+ .probe = pt1_probe,
+ .remove = pt1_remove,
+ .id_table = pt1_id_table,
+ .driver.pm = &pt1_pm_ops,
+};
+
+module_pci_driver(pt1_driver);
+
+MODULE_AUTHOR("Takahito HIRANO <hiranotaka@zng.info>");
+MODULE_DESCRIPTION("Earthsoft PT1/PT2 Driver");
+MODULE_LICENSE("GPL");