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path: root/drivers/media/video/cx23885/cimax2.c
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Diffstat (limited to 'drivers/media/video/cx23885/cimax2.c')
-rw-r--r--drivers/media/video/cx23885/cimax2.c536
1 files changed, 0 insertions, 536 deletions
diff --git a/drivers/media/video/cx23885/cimax2.c b/drivers/media/video/cx23885/cimax2.c
deleted file mode 100644
index c9f15d6dec40..000000000000
--- a/drivers/media/video/cx23885/cimax2.c
+++ /dev/null
@@ -1,536 +0,0 @@
-/*
- * cimax2.c
- *
- * CIMax2(R) SP2 driver in conjunction with NetUp Dual DVB-S2 CI card
- *
- * Copyright (C) 2009 NetUP Inc.
- * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
- * Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
- *
- * 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 "cx23885.h"
-#include "dvb_ca_en50221.h"
-/**** Bit definitions for MC417_RWD and MC417_OEN registers ***
- bits 31-16
-+-----------+
-| Reserved |
-+-----------+
- bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8
-+-------+-------+-------+-------+-------+-------+-------+-------+
-| WR# | RD# | | ACK# | ADHI | ADLO | CS1# | CS0# |
-+-------+-------+-------+-------+-------+-------+-------+-------+
- bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
-+-------+-------+-------+-------+-------+-------+-------+-------+
-| DATA7| DATA6| DATA5| DATA4| DATA3| DATA2| DATA1| DATA0|
-+-------+-------+-------+-------+-------+-------+-------+-------+
-***/
-/* MC417 */
-#define NETUP_DATA 0x000000ff
-#define NETUP_WR 0x00008000
-#define NETUP_RD 0x00004000
-#define NETUP_ACK 0x00001000
-#define NETUP_ADHI 0x00000800
-#define NETUP_ADLO 0x00000400
-#define NETUP_CS1 0x00000200
-#define NETUP_CS0 0x00000100
-#define NETUP_EN_ALL 0x00001000
-#define NETUP_CTRL_OFF (NETUP_CS1 | NETUP_CS0 | NETUP_WR | NETUP_RD)
-#define NETUP_CI_CTL 0x04
-#define NETUP_CI_RD 1
-
-#define NETUP_IRQ_DETAM 0x1
-#define NETUP_IRQ_IRQAM 0x4
-
-static unsigned int ci_dbg;
-module_param(ci_dbg, int, 0644);
-MODULE_PARM_DESC(ci_dbg, "Enable CI debugging");
-
-static unsigned int ci_irq_enable;
-module_param(ci_irq_enable, int, 0644);
-MODULE_PARM_DESC(ci_irq_enable, "Enable IRQ from CAM");
-
-#define ci_dbg_print(args...) \
- do { \
- if (ci_dbg) \
- printk(KERN_DEBUG args); \
- } while (0)
-
-#define ci_irq_flags() (ci_irq_enable ? NETUP_IRQ_IRQAM : 0)
-
-/* stores all private variables for communication with CI */
-struct netup_ci_state {
- struct dvb_ca_en50221 ca;
- struct mutex ca_mutex;
- struct i2c_adapter *i2c_adap;
- u8 ci_i2c_addr;
- int status;
- struct work_struct work;
- void *priv;
- u8 current_irq_mode;
- int current_ci_flag;
- unsigned long next_status_checked_time;
-};
-
-
-int netup_read_i2c(struct i2c_adapter *i2c_adap, u8 addr, u8 reg,
- u8 *buf, int len)
-{
- int ret;
- struct i2c_msg msg[] = {
- {
- .addr = addr,
- .flags = 0,
- .buf = &reg,
- .len = 1
- }, {
- .addr = addr,
- .flags = I2C_M_RD,
- .buf = buf,
- .len = len
- }
- };
-
- ret = i2c_transfer(i2c_adap, msg, 2);
-
- if (ret != 2) {
- ci_dbg_print("%s: i2c read error, Reg = 0x%02x, Status = %d\n",
- __func__, reg, ret);
-
- return -1;
- }
-
- ci_dbg_print("%s: i2c read Addr=0x%04x, Reg = 0x%02x, data = %02x\n",
- __func__, addr, reg, buf[0]);
-
- return 0;
-}
-
-int netup_write_i2c(struct i2c_adapter *i2c_adap, u8 addr, u8 reg,
- u8 *buf, int len)
-{
- int ret;
- u8 buffer[len + 1];
-
- struct i2c_msg msg = {
- .addr = addr,
- .flags = 0,
- .buf = &buffer[0],
- .len = len + 1
- };
-
- buffer[0] = reg;
- memcpy(&buffer[1], buf, len);
-
- ret = i2c_transfer(i2c_adap, &msg, 1);
-
- if (ret != 1) {
- ci_dbg_print("%s: i2c write error, Reg=[0x%02x], Status=%d\n",
- __func__, reg, ret);
- return -1;
- }
-
- return 0;
-}
-
-int netup_ci_get_mem(struct cx23885_dev *dev)
-{
- int mem;
- unsigned long timeout = jiffies + msecs_to_jiffies(1);
-
- for (;;) {
- mem = cx_read(MC417_RWD);
- if ((mem & NETUP_ACK) == 0)
- break;
- if (time_after(jiffies, timeout))
- break;
- udelay(1);
- }
-
- cx_set(MC417_RWD, NETUP_CTRL_OFF);
-
- return mem & 0xff;
-}
-
-int netup_ci_op_cam(struct dvb_ca_en50221 *en50221, int slot,
- u8 flag, u8 read, int addr, u8 data)
-{
- struct netup_ci_state *state = en50221->data;
- struct cx23885_tsport *port = state->priv;
- struct cx23885_dev *dev = port->dev;
-
- u8 store;
- int mem;
- int ret;
-
- if (0 != slot)
- return -EINVAL;
-
- if (state->current_ci_flag != flag) {
- ret = netup_read_i2c(state->i2c_adap, state->ci_i2c_addr,
- 0, &store, 1);
- if (ret != 0)
- return ret;
-
- store &= ~0x0c;
- store |= flag;
-
- ret = netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
- 0, &store, 1);
- if (ret != 0)
- return ret;
- };
- state->current_ci_flag = flag;
-
- mutex_lock(&dev->gpio_lock);
-
- /* write addr */
- cx_write(MC417_OEN, NETUP_EN_ALL);
- cx_write(MC417_RWD, NETUP_CTRL_OFF |
- NETUP_ADLO | (0xff & addr));
- cx_clear(MC417_RWD, NETUP_ADLO);
- cx_write(MC417_RWD, NETUP_CTRL_OFF |
- NETUP_ADHI | (0xff & (addr >> 8)));
- cx_clear(MC417_RWD, NETUP_ADHI);
-
- if (read) { /* data in */
- cx_write(MC417_OEN, NETUP_EN_ALL | NETUP_DATA);
- } else /* data out */
- cx_write(MC417_RWD, NETUP_CTRL_OFF | data);
-
- /* choose chip */
- cx_clear(MC417_RWD,
- (state->ci_i2c_addr == 0x40) ? NETUP_CS0 : NETUP_CS1);
- /* read/write */
- cx_clear(MC417_RWD, (read) ? NETUP_RD : NETUP_WR);
- mem = netup_ci_get_mem(dev);
-
- mutex_unlock(&dev->gpio_lock);
-
- if (!read)
- if (mem < 0)
- return -EREMOTEIO;
-
- ci_dbg_print("%s: %s: chipaddr=[0x%x] addr=[0x%02x], %s=%x\n", __func__,
- (read) ? "read" : "write", state->ci_i2c_addr, addr,
- (flag == NETUP_CI_CTL) ? "ctl" : "mem",
- (read) ? mem : data);
-
- if (read)
- return mem;
-
- return 0;
-}
-
-int netup_ci_read_attribute_mem(struct dvb_ca_en50221 *en50221,
- int slot, int addr)
-{
- return netup_ci_op_cam(en50221, slot, 0, NETUP_CI_RD, addr, 0);
-}
-
-int netup_ci_write_attribute_mem(struct dvb_ca_en50221 *en50221,
- int slot, int addr, u8 data)
-{
- return netup_ci_op_cam(en50221, slot, 0, 0, addr, data);
-}
-
-int netup_ci_read_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr)
-{
- return netup_ci_op_cam(en50221, slot, NETUP_CI_CTL,
- NETUP_CI_RD, addr, 0);
-}
-
-int netup_ci_write_cam_ctl(struct dvb_ca_en50221 *en50221, int slot,
- u8 addr, u8 data)
-{
- return netup_ci_op_cam(en50221, slot, NETUP_CI_CTL, 0, addr, data);
-}
-
-int netup_ci_slot_reset(struct dvb_ca_en50221 *en50221, int slot)
-{
- struct netup_ci_state *state = en50221->data;
- u8 buf = 0x80;
- int ret;
-
- if (0 != slot)
- return -EINVAL;
-
- udelay(500);
- ret = netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
- 0, &buf, 1);
-
- if (ret != 0)
- return ret;
-
- udelay(500);
-
- buf = 0x00;
- ret = netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
- 0, &buf, 1);
-
- msleep(1000);
- dvb_ca_en50221_camready_irq(&state->ca, 0);
-
- return 0;
-
-}
-
-int netup_ci_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot)
-{
- /* not implemented */
- return 0;
-}
-
-int netup_ci_set_irq(struct dvb_ca_en50221 *en50221, u8 irq_mode)
-{
- struct netup_ci_state *state = en50221->data;
- int ret;
-
- if (irq_mode == state->current_irq_mode)
- return 0;
-
- ci_dbg_print("%s: chipaddr=[0x%x] setting ci IRQ to [0x%x] \n",
- __func__, state->ci_i2c_addr, irq_mode);
- ret = netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
- 0x1b, &irq_mode, 1);
-
- if (ret != 0)
- return ret;
-
- state->current_irq_mode = irq_mode;
-
- return 0;
-}
-
-int netup_ci_slot_ts_ctl(struct dvb_ca_en50221 *en50221, int slot)
-{
- struct netup_ci_state *state = en50221->data;
- u8 buf;
-
- if (0 != slot)
- return -EINVAL;
-
- netup_read_i2c(state->i2c_adap, state->ci_i2c_addr,
- 0, &buf, 1);
- buf |= 0x60;
-
- return netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
- 0, &buf, 1);
-}
-
-/* work handler */
-static void netup_read_ci_status(struct work_struct *work)
-{
- struct netup_ci_state *state =
- container_of(work, struct netup_ci_state, work);
- u8 buf[33];
- int ret;
-
- /* CAM module IRQ processing. fast operation */
- dvb_ca_en50221_frda_irq(&state->ca, 0);
-
- /* CAM module INSERT/REMOVE processing. slow operation because of i2c
- * transfers */
- if (time_after(jiffies, state->next_status_checked_time)
- || !state->status) {
- ret = netup_read_i2c(state->i2c_adap, state->ci_i2c_addr,
- 0, &buf[0], 33);
-
- state->next_status_checked_time = jiffies
- + msecs_to_jiffies(1000);
-
- if (ret != 0)
- return;
-
- ci_dbg_print("%s: Slot Status Addr=[0x%04x], "
- "Reg=[0x%02x], data=%02x, "
- "TS config = %02x\n", __func__,
- state->ci_i2c_addr, 0, buf[0],
- buf[0]);
-
-
- if (buf[0] & 1)
- state->status = DVB_CA_EN50221_POLL_CAM_PRESENT |
- DVB_CA_EN50221_POLL_CAM_READY;
- else
- state->status = 0;
- }
-}
-
-/* CI irq handler */
-int netup_ci_slot_status(struct cx23885_dev *dev, u32 pci_status)
-{
- struct cx23885_tsport *port = NULL;
- struct netup_ci_state *state = NULL;
-
- ci_dbg_print("%s:\n", __func__);
-
- if (0 == (pci_status & (PCI_MSK_GPIO0 | PCI_MSK_GPIO1)))
- return 0;
-
- if (pci_status & PCI_MSK_GPIO0) {
- port = &dev->ts1;
- state = port->port_priv;
- schedule_work(&state->work);
- ci_dbg_print("%s: Wakeup CI0\n", __func__);
- }
-
- if (pci_status & PCI_MSK_GPIO1) {
- port = &dev->ts2;
- state = port->port_priv;
- schedule_work(&state->work);
- ci_dbg_print("%s: Wakeup CI1\n", __func__);
- }
-
- return 1;
-}
-
-int netup_poll_ci_slot_status(struct dvb_ca_en50221 *en50221, int slot, int open)
-{
- struct netup_ci_state *state = en50221->data;
-
- if (0 != slot)
- return -EINVAL;
-
- netup_ci_set_irq(en50221, open ? (NETUP_IRQ_DETAM | ci_irq_flags())
- : NETUP_IRQ_DETAM);
-
- return state->status;
-}
-
-int netup_ci_init(struct cx23885_tsport *port)
-{
- struct netup_ci_state *state;
- u8 cimax_init[34] = {
- 0x00, /* module A control*/
- 0x00, /* auto select mask high A */
- 0x00, /* auto select mask low A */
- 0x00, /* auto select pattern high A */
- 0x00, /* auto select pattern low A */
- 0x44, /* memory access time A */
- 0x00, /* invert input A */
- 0x00, /* RFU */
- 0x00, /* RFU */
- 0x00, /* module B control*/
- 0x00, /* auto select mask high B */
- 0x00, /* auto select mask low B */
- 0x00, /* auto select pattern high B */
- 0x00, /* auto select pattern low B */
- 0x44, /* memory access time B */
- 0x00, /* invert input B */
- 0x00, /* RFU */
- 0x00, /* RFU */
- 0x00, /* auto select mask high Ext */
- 0x00, /* auto select mask low Ext */
- 0x00, /* auto select pattern high Ext */
- 0x00, /* auto select pattern low Ext */
- 0x00, /* RFU */
- 0x02, /* destination - module A */
- 0x01, /* power on (use it like store place) */
- 0x00, /* RFU */
- 0x00, /* int status read only */
- ci_irq_flags() | NETUP_IRQ_DETAM, /* DETAM, IRQAM unmasked */
- 0x05, /* EXTINT=active-high, INT=push-pull */
- 0x00, /* USCG1 */
- 0x04, /* ack active low */
- 0x00, /* LOCK = 0 */
- 0x33, /* serial mode, rising in, rising out, MSB first*/
- 0x31, /* synchronization */
- };
- int ret;
-
- ci_dbg_print("%s\n", __func__);
- state = kzalloc(sizeof(struct netup_ci_state), GFP_KERNEL);
- if (!state) {
- ci_dbg_print("%s: Unable create CI structure!\n", __func__);
- ret = -ENOMEM;
- goto err;
- }
-
- port->port_priv = state;
-
- switch (port->nr) {
- case 1:
- state->ci_i2c_addr = 0x40;
- break;
- case 2:
- state->ci_i2c_addr = 0x41;
- break;
- }
-
- state->i2c_adap = &port->dev->i2c_bus[0].i2c_adap;
- state->ca.owner = THIS_MODULE;
- state->ca.read_attribute_mem = netup_ci_read_attribute_mem;
- state->ca.write_attribute_mem = netup_ci_write_attribute_mem;
- state->ca.read_cam_control = netup_ci_read_cam_ctl;
- state->ca.write_cam_control = netup_ci_write_cam_ctl;
- state->ca.slot_reset = netup_ci_slot_reset;
- state->ca.slot_shutdown = netup_ci_slot_shutdown;
- state->ca.slot_ts_enable = netup_ci_slot_ts_ctl;
- state->ca.poll_slot_status = netup_poll_ci_slot_status;
- state->ca.data = state;
- state->priv = port;
- state->current_irq_mode = ci_irq_flags() | NETUP_IRQ_DETAM;
-
- ret = netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
- 0, &cimax_init[0], 34);
- /* lock registers */
- ret |= netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
- 0x1f, &cimax_init[0x18], 1);
- /* power on slots */
- ret |= netup_write_i2c(state->i2c_adap, state->ci_i2c_addr,
- 0x18, &cimax_init[0x18], 1);
-
- if (0 != ret)
- goto err;
-
- ret = dvb_ca_en50221_init(&port->frontends.adapter,
- &state->ca,
- /* flags */ 0,
- /* n_slots */ 1);
- if (0 != ret)
- goto err;
-
- INIT_WORK(&state->work, netup_read_ci_status);
- schedule_work(&state->work);
-
- ci_dbg_print("%s: CI initialized!\n", __func__);
-
- return 0;
-err:
- ci_dbg_print("%s: Cannot initialize CI: Error %d.\n", __func__, ret);
- kfree(state);
- return ret;
-}
-
-void netup_ci_exit(struct cx23885_tsport *port)
-{
- struct netup_ci_state *state;
-
- if (NULL == port)
- return;
-
- state = (struct netup_ci_state *)port->port_priv;
- if (NULL == state)
- return;
-
- if (NULL == state->ca.data)
- return;
-
- dvb_ca_en50221_release(&state->ca);
- kfree(state);
-}
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