[PATCH] dvb: DST: reorganize Twinhan DST driver to support CI
- reorganize Twinhan DST driver to support CI
- add support for more cards
(Manu Abraham)
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
new file mode 100644
index 0000000..206aee3
--- /dev/null
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -0,0 +1,868 @@
+/*
+ CA-driver for TwinHan DST Frontend/Card
+
+ Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
+
+ 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/init.h>
+#include <linux/string.h>
+
+#include <linux/dvb/ca.h>
+#include "dvbdev.h"
+#include "dvb_frontend.h"
+
+#include "dst_ca.h"
+#include "dst_common.h"
+
+static unsigned int verbose = 1;
+module_param(verbose, int, 0644);
+MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
+
+static unsigned int debug = 1;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(dst_ca_debug, "debug messages, default is 0 (yes)");
+
+static unsigned int session;
+module_param(session, int, 0644);
+MODULE_PARM_DESC(session, "Support for hardware that has multiple sessions, default 0");
+
+static unsigned int new_ca;
+module_param(new_ca, int, 0644);
+MODULE_PARM_DESC(new_ca, "Support for the new CA interface firmware, default 0");
+
+#define dprintk if (debug) printk
+
+
+static int ca_set_slot_descr(void)
+{
+ /* We could make this more graceful ? */
+ return -EOPNOTSUPP;
+}
+
+static int ca_set_pid(void)
+{
+ /* We could make this more graceful ? */
+ return -EOPNOTSUPP;
+}
+
+
+static int put_checksum(u8 *check_string, int length)
+{
+ u8 i = 0, checksum = 0;
+
+ if (verbose > 3) {
+ dprintk("%s: ========================= Checksum calculation ===========================\n", __FUNCTION__);
+ dprintk("%s: String Length=[0x%02x]\n", __FUNCTION__, length);
+
+ dprintk("%s: String=[", __FUNCTION__);
+ }
+ while (i < length) {
+ if (verbose > 3)
+ dprintk(" %02x", check_string[i]);
+ checksum += check_string[i];
+ i++;
+ }
+ if (verbose > 3) {
+ dprintk(" ]\n");
+ dprintk("%s: Sum=[%02x]\n", __FUNCTION__, checksum);
+ }
+ check_string[length] = ~checksum + 1;
+ if (verbose > 3) {
+ dprintk("%s: Checksum=[%02x]\n", __FUNCTION__, check_string[length]);
+ dprintk("%s: ==========================================================================\n", __FUNCTION__);
+ }
+
+ return 0;
+}
+
+static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8 len, int read)
+{
+ u8 reply;
+
+ dst_comm_init(state);
+ msleep(65);
+
+ if (write_dst(state, data, len)) {
+ dprintk("%s: Write not successful, trying to recover\n", __FUNCTION__);
+ dst_error_recovery(state);
+ return -1;
+ }
+
+ if ((dst_pio_disable(state)) < 0) {
+ dprintk("%s: DST PIO disable failed.\n", __FUNCTION__);
+ return -1;
+ }
+
+ if (read_dst(state, &reply, GET_ACK) < 0) {
+ dprintk("%s: Read not successful, trying to recover\n", __FUNCTION__);
+ dst_error_recovery(state);
+ return -1;
+ }
+
+ if (read) {
+ if (! dst_wait_dst_ready(state, LONG_DELAY)) {
+ dprintk("%s: 8820 not ready\n", __FUNCTION__);
+ return -1;
+ }
+
+ if (read_dst(state, ca_string, 128) < 0) { /* Try to make this dynamic */
+ dprintk("%s: Read not successful, trying to recover\n", __FUNCTION__);
+ dst_error_recovery(state);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+
+static int dst_put_ci(struct dst_state *state, u8 *data, int len, u8 *ca_string, int read)
+{
+ u8 dst_ca_comm_err = 0;
+
+ while (dst_ca_comm_err < RETRIES) {
+ dst_comm_init(state);
+ if (verbose > 2)
+ dprintk("%s: Put Command\n", __FUNCTION__);
+ if (dst_ci_command(state, data, ca_string, len, read)) { // If error
+ dst_error_recovery(state);
+ dst_ca_comm_err++; // work required here.
+ }
+ break;
+ }
+
+ return 0;
+}
+
+
+
+static int ca_get_app_info(struct dst_state *state)
+{
+ static u8 command[8] = {0x07, 0x40, 0x01, 0x00, 0x01, 0x00, 0x00, 0xff};
+
+ put_checksum(&command[0], command[0]);
+ if ((dst_put_ci(state, command, sizeof(command), state->messages, GET_REPLY)) < 0) {
+ dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 1) {
+ dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
+
+ dprintk("%s: ================================ CI Module Application Info ======================================\n", __FUNCTION__);
+ dprintk("%s: Application Type=[%d], Application Vendor=[%d], Vendor Code=[%d]\n%s: Application info=[%s]\n",
+ __FUNCTION__, state->messages[7], (state->messages[8] << 8) | state->messages[9],
+ (state->messages[10] << 8) | state->messages[11], __FUNCTION__, (char *)(&state->messages[11]));
+ dprintk("%s: ==================================================================================================\n", __FUNCTION__);
+ }
+
+ return 0;
+}
+
+static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, void *arg)
+{
+ int i;
+ u8 slot_cap[256];
+ static u8 slot_command[8] = {0x07, 0x40, 0x02, 0x00, 0x02, 0x00, 0x00, 0xff};
+
+ put_checksum(&slot_command[0], slot_command[0]);
+ if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_cap, GET_REPLY)) < 0) {
+ dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 1)
+ dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
+
+ /* Will implement the rest soon */
+
+ if (verbose > 1) {
+ dprintk("%s: Slot cap = [%d]\n", __FUNCTION__, slot_cap[7]);
+ dprintk("===================================\n");
+ for (i = 0; i < 8; i++)
+ dprintk(" %d", slot_cap[i]);
+ dprintk("\n");
+ }
+
+ p_ca_caps->slot_num = 1;
+ p_ca_caps->slot_type = 1;
+ p_ca_caps->descr_num = slot_cap[7];
+ p_ca_caps->descr_type = 1;
+
+
+ if (copy_to_user((struct ca_caps *)arg, p_ca_caps, sizeof (struct ca_caps))) {
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+
+static int ca_get_slot_descr(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
+{
+ return -EOPNOTSUPP;
+}
+
+
+static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_slot_info, void *arg)
+{
+ int i;
+ static u8 slot_command[8] = {0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
+
+ u8 *slot_info = state->rxbuffer;
+
+ put_checksum(&slot_command[0], 7);
+ if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_info, GET_REPLY)) < 0) {
+ dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 1)
+ dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
+
+ /* Will implement the rest soon */
+
+ if (verbose > 1) {
+ dprintk("%s: Slot info = [%d]\n", __FUNCTION__, slot_info[3]);
+ dprintk("===================================\n");
+ for (i = 0; i < 8; i++)
+ dprintk(" %d", slot_info[i]);
+ dprintk("\n");
+ }
+
+ if (slot_info[4] & 0x80) {
+ p_ca_slot_info->flags = CA_CI_MODULE_PRESENT;
+ p_ca_slot_info->num = 1;
+ p_ca_slot_info->type = CA_CI;
+ }
+ else if (slot_info[4] & 0x40) {
+ p_ca_slot_info->flags = CA_CI_MODULE_READY;
+ p_ca_slot_info->num = 1;
+ p_ca_slot_info->type = CA_CI;
+ }
+ else {
+ p_ca_slot_info->flags = 0;
+ }
+
+ if (copy_to_user((struct ca_slot_info *)arg, p_ca_slot_info, sizeof (struct ca_slot_info))) {
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+
+
+
+static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
+{
+ u8 i = 0;
+ u32 command = 0;
+
+ if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg)))
+ return -EFAULT;
+
+
+ if (p_ca_message->msg) {
+ if (verbose > 3)
+ dprintk("Message = [%02x %02x %02x]\n", p_ca_message->msg[0], p_ca_message->msg[1], p_ca_message->msg[2]);
+
+ for (i = 0; i < 3; i++) {
+ command = command | p_ca_message->msg[i];
+ if (i < 2)
+ command = command << 8;
+ }
+ if (verbose > 3)
+ dprintk("%s:Command=[0x%x]\n", __FUNCTION__, command);
+
+ switch (command) {
+ case CA_APP_INFO:
+ memcpy(p_ca_message->msg, state->messages, 128);
+ if (copy_to_user((void *)arg, p_ca_message, sizeof (struct ca_msg)) )
+ return -EFAULT;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int handle_en50221_tag(struct ca_msg *p_ca_message, struct ca_msg *hw_buffer)
+{
+ if (session) {
+ hw_buffer->msg[2] = p_ca_message->msg[1]; /* MSB */
+ hw_buffer->msg[3] = p_ca_message->msg[2]; /* LSB */
+ }
+ else {
+ hw_buffer->msg[2] = 0x03;
+ hw_buffer->msg[3] = 0x00;
+ }
+ return 0;
+}
+
+static int debug_8820_buffer(struct ca_msg *hw_buffer)
+{
+ unsigned int i;
+
+ dprintk("%s:Debug=[", __FUNCTION__);
+ for (i = 0; i < (hw_buffer->msg[0] + 1); i++)
+ dprintk(" %02x", hw_buffer->msg[i]);
+ dprintk("]\n");
+
+ return 0;
+}
+
+static int write_to_8820(struct dst_state *state, struct ca_msg *hw_buffer, u8 reply)
+{
+ if ((dst_put_ci(state, hw_buffer->msg, (hw_buffer->length + 1), hw_buffer->msg, reply)) < 0) {
+ dprintk("%s: DST-CI Command failed.\n", __FUNCTION__);
+ dprintk("%s: Resetting DST.\n", __FUNCTION__);
+ rdc_reset_state(state);
+ return -1;
+ }
+ if (verbose > 2)
+ dprintk("%s: DST-CI Command succes.\n", __FUNCTION__);
+
+ return 0;
+}
+
+
+static int ca_set_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u8 reply, u8 query)
+{
+ u32 hw_offset, buf_offset, i, k;
+ u32 program_info_length = 0, es_info_length = 0, length = 0, words = 0;
+ u8 found_prog_ca_desc = 0, found_stream_ca_desc = 0, error_condition = 0, hw_buffer_length = 0;
+
+ if (verbose > 3)
+ dprintk("%s, p_ca_message length %d (0x%x)\n", __FUNCTION__,p_ca_message->length,p_ca_message->length );
+
+ handle_en50221_tag(p_ca_message, hw_buffer); /* EN50221 tag */
+
+ /* Handle the length field (variable) */
+ if (!(p_ca_message->msg[3] & 0x80)) { /* Length = 1 */
+ length = p_ca_message->msg[3] & 0x7f;
+ words = 0; /* domi's suggestion */
+ }
+ else { /* Length = words */
+ words = p_ca_message->msg[3] & 0x7f;
+ for (i = 0; i < words; i++) {
+ length = length << 8;
+ length = length | p_ca_message->msg[4 + i];
+ }
+ }
+ if (verbose > 4) {
+ dprintk("%s:Length=[%d (0x%x)], Words=[%d]\n", __FUNCTION__, length,length, words);
+
+ /* Debug Input string */
+ for (i = 0; i < length; i++)
+ dprintk(" %02x", p_ca_message->msg[i]);
+ dprintk("]\n");
+ }
+
+ hw_offset = 7;
+ buf_offset = words + 4;
+
+ /* Program Header */
+ if (verbose > 4)
+ dprintk("\n%s:Program Header=[", __FUNCTION__);
+ for (i = 0; i < 6; i++) {
+ hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset];
+ if (verbose > 4)
+ dprintk(" %02x", p_ca_message->msg[buf_offset]);
+ hw_offset++, buf_offset++, hw_buffer_length++;
+ }
+ if (verbose > 4)
+ dprintk("]\n");
+
+ program_info_length = 0;
+ program_info_length = (((program_info_length | p_ca_message->msg[words + 8]) & 0x0f) << 8) | p_ca_message->msg[words + 9];
+ if (verbose > 4)
+ dprintk("%s:Program info Length=[%d][%02x], hw_offset=[%d], buf_offset=[%d] \n",
+ __FUNCTION__, program_info_length, program_info_length, hw_offset, buf_offset);
+
+ if (program_info_length && (program_info_length < 256)) { /* If program_info_length */
+ hw_buffer->msg[11] = hw_buffer->msg[11] & 0x0f; /* req only 4 bits */
+ hw_buffer->msg[12] = hw_buffer->msg[12] + 1; /* increment! ASIC bug! */
+
+ if (p_ca_message->msg[buf_offset + 1] == 0x09) { /* Check CA descriptor */
+ found_prog_ca_desc = 1;
+ if (verbose > 4)
+ dprintk("%s: Found CA descriptor @ Program level\n", __FUNCTION__);
+ }
+
+ if (found_prog_ca_desc) { /* Command only if CA descriptor */
+ hw_buffer->msg[13] = p_ca_message->msg[buf_offset]; /* CA PMT command ID */
+ hw_offset++, buf_offset++, hw_buffer_length++;
+ }
+
+ /* Program descriptors */
+ if (verbose > 4) {
+ dprintk("%s:**********>buf_offset=[%d], hw_offset=[%d]\n", __FUNCTION__, buf_offset, hw_offset);
+ dprintk("%s:Program descriptors=[", __FUNCTION__);
+ }
+ while (program_info_length && !error_condition) { /* Copy prog descriptors */
+ if (program_info_length > p_ca_message->length) { /* Error situation */
+ dprintk ("%s:\"WARNING\" Length error, line=[%d], prog_info_length=[%d]\n",
+ __FUNCTION__, __LINE__, program_info_length);
+ dprintk("%s:\"WARNING\" Bailing out of possible loop\n", __FUNCTION__);
+ error_condition = 1;
+ break;
+ }
+
+ hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset];
+ dprintk(" %02x", p_ca_message->msg[buf_offset]);
+ hw_offset++, buf_offset++, hw_buffer_length++, program_info_length--;
+ }
+ if (verbose > 4) {
+ dprintk("]\n");
+ dprintk("%s:**********>buf_offset=[%d], hw_offset=[%d]\n", __FUNCTION__, buf_offset, hw_offset);
+ }
+ if (found_prog_ca_desc) {
+ if (!reply) {
+ hw_buffer->msg[13] = 0x01; /* OK descrambling */
+ if (verbose > 1)
+ dprintk("CA PMT Command = OK Descrambling\n");
+ }
+ else {
+ hw_buffer->msg[13] = 0x02; /* Ok MMI */
+ if (verbose > 1)
+ dprintk("CA PMT Command = Ok MMI\n");
+ }
+ if (query) {
+ hw_buffer->msg[13] = 0x03; /* Query */
+ if (verbose > 1)
+ dprintk("CA PMT Command = CA PMT query\n");
+ }
+ }
+ }
+ else {
+ hw_buffer->msg[11] = hw_buffer->msg[11] & 0xf0; /* Don't write to ASIC */
+ hw_buffer->msg[12] = hw_buffer->msg[12] = 0x00;
+ }
+ if (verbose > 4)
+ dprintk("%s:**********>p_ca_message->length=[%d], buf_offset=[%d], hw_offset=[%d]\n",
+ __FUNCTION__, p_ca_message->length, buf_offset, hw_offset);
+
+ while ((buf_offset < p_ca_message->length) && !error_condition) {
+ /* Bail out in case of an indefinite loop */
+ if ((es_info_length > p_ca_message->length) || (buf_offset > p_ca_message->length)) {
+ dprintk("%s:\"WARNING\" Length error, line=[%d], prog_info_length=[%d], buf_offset=[%d]\n",
+ __FUNCTION__, __LINE__, program_info_length, buf_offset);
+
+ dprintk("%s:\"WARNING\" Bailing out of possible loop\n", __FUNCTION__);
+ error_condition = 1;
+ break;
+ }
+
+ /* Stream Header */
+
+ for (k = 0; k < 5; k++) {
+ hw_buffer->msg[hw_offset + k] = p_ca_message->msg[buf_offset + k];
+ }
+
+ es_info_length = 0;
+ es_info_length = (es_info_length | (p_ca_message->msg[buf_offset + 3] & 0x0f)) << 8 | p_ca_message->msg[buf_offset + 4];
+
+ if (verbose > 4) {
+ dprintk("\n%s:----->Stream header=[%02x %02x %02x %02x %02x]\n", __FUNCTION__,
+ p_ca_message->msg[buf_offset + 0], p_ca_message->msg[buf_offset + 1],
+ p_ca_message->msg[buf_offset + 2], p_ca_message->msg[buf_offset + 3],
+ p_ca_message->msg[buf_offset + 4]);
+
+ dprintk("%s:----->Stream type=[%02x], es length=[%d (0x%x)], Chars=[%02x] [%02x], buf_offset=[%d]\n", __FUNCTION__,
+ p_ca_message->msg[buf_offset + 0], es_info_length, es_info_length,
+ p_ca_message->msg[buf_offset + 3], p_ca_message->msg[buf_offset + 4], buf_offset);
+ }
+
+ hw_buffer->msg[hw_offset + 3] &= 0x0f; /* req only 4 bits */
+
+ if (found_prog_ca_desc) {
+ hw_buffer->msg[hw_offset + 3] = 0x00;
+ hw_buffer->msg[hw_offset + 4] = 0x00;
+ }
+
+ hw_offset += 5, buf_offset += 5, hw_buffer_length += 5;
+
+ /* Check for CA descriptor */
+ if (p_ca_message->msg[buf_offset + 1] == 0x09) {
+ if (verbose > 4)
+ dprintk("%s:Found CA descriptor @ Stream level\n", __FUNCTION__);
+ found_stream_ca_desc = 1;
+ }
+
+ /* ES descriptors */
+
+ if (es_info_length && !error_condition && !found_prog_ca_desc && found_stream_ca_desc) {
+// if (!ca_pmt_done) {
+ hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset]; /* CA PMT cmd(es) */
+ if (verbose > 4)
+ printk("%s:----->CA PMT Command ID=[%02x]\n", __FUNCTION__, p_ca_message->msg[buf_offset]);
+// hw_offset++, buf_offset++, hw_buffer_length++, es_info_length--, ca_pmt_done = 1;
+ hw_offset++, buf_offset++, hw_buffer_length++, es_info_length--;
+// }
+ if (verbose > 4)
+ dprintk("%s:----->ES descriptors=[", __FUNCTION__);
+
+ while (es_info_length && !error_condition) { /* ES descriptors */
+ if ((es_info_length > p_ca_message->length) || (buf_offset > p_ca_message->length)) {
+ if (verbose > 4) {
+ dprintk("%s:\"WARNING\" ES Length error, line=[%d], es_info_length=[%d], buf_offset=[%d]\n",
+ __FUNCTION__, __LINE__, es_info_length, buf_offset);
+
+ dprintk("%s:\"WARNING\" Bailing out of possible loop\n", __FUNCTION__);
+ }
+ error_condition = 1;
+ break;
+ }
+
+ hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset];
+ if (verbose > 3)
+ dprintk("%02x ", hw_buffer->msg[hw_offset]);
+ hw_offset++, buf_offset++, hw_buffer_length++, es_info_length--;
+ }
+ found_stream_ca_desc = 0; /* unset for new streams */
+ dprintk("]\n");
+ }
+ }
+
+ /* MCU Magic words */
+
+ hw_buffer_length += 7;
+ hw_buffer->msg[0] = hw_buffer_length;
+ hw_buffer->msg[1] = 64;
+ hw_buffer->msg[4] = 3;
+ hw_buffer->msg[5] = hw_buffer->msg[0] - 7;
+ hw_buffer->msg[6] = 0;
+
+
+ /* Fix length */
+ hw_buffer->length = hw_buffer->msg[0];
+
+ put_checksum(&hw_buffer->msg[0], hw_buffer->msg[0]);
+ /* Do the actual write */
+ if (verbose > 4) {
+ dprintk("%s:======================DEBUGGING================================\n", __FUNCTION__);
+ dprintk("%s: Actual Length=[%d]\n", __FUNCTION__, hw_buffer_length);
+ }
+ /* Only for debugging! */
+ if (verbose > 2)
+ debug_8820_buffer(hw_buffer);
+ if (verbose > 3)
+ dprintk("%s: Reply = [%d]\n", __FUNCTION__, reply);
+ write_to_8820(state, hw_buffer, reply);
+
+ return 0;
+}
+
+/* Board supports CA PMT reply ? */
+static int dst_check_ca_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer)
+{
+ int ca_pmt_reply_test = 0;
+
+ /* Do test board */
+ /* Not there yet but soon */
+
+
+ /* CA PMT Reply capable */
+ if (ca_pmt_reply_test) {
+ if ((ca_set_pmt(state, p_ca_message, hw_buffer, 1, GET_REPLY)) < 0) {
+ dprintk("%s: ca_set_pmt.. failed !\n", __FUNCTION__);
+ return -1;
+ }
+
+ /* Process CA PMT Reply */
+ /* will implement soon */
+ dprintk("%s: Not there yet\n", __FUNCTION__);
+ }
+ /* CA PMT Reply not capable */
+ if (!ca_pmt_reply_test) {
+ if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, NO_REPLY)) < 0) {
+ dprintk("%s: ca_set_pmt.. failed !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 3)
+ dprintk("%s: ca_set_pmt.. success !\n", __FUNCTION__);
+ /* put a dummy message */
+
+ }
+ return 0;
+}
+
+static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
+{
+ int i = 0;
+ unsigned int ca_message_header_len;
+
+ u32 command = 0;
+ struct ca_msg *hw_buffer;
+
+ if ((hw_buffer = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) {
+ printk("%s: Memory allocation failure\n", __FUNCTION__);
+ return -ENOMEM;
+ }
+ if (verbose > 3)
+ dprintk("%s\n", __FUNCTION__);
+
+ if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg)))
+ return -EFAULT;
+
+ if (p_ca_message->msg) {
+ ca_message_header_len = p_ca_message->length; /* Restore it back when you are done */
+ /* EN50221 tag */
+ command = 0;
+
+ for (i = 0; i < 3; i++) {
+ command = command | p_ca_message->msg[i];
+ if (i < 2)
+ command = command << 8;
+ }
+ if (verbose > 3)
+ dprintk("%s:Command=[0x%x]\n", __FUNCTION__, command);
+
+ switch (command) {
+ case CA_PMT:
+ if (verbose > 3)
+ dprintk("Command = SEND_CA_PMT\n");
+ if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, 0)) < 0) {
+ dprintk("%s: -->CA_PMT Failed !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 3)
+ dprintk("%s: -->CA_PMT Success !\n", __FUNCTION__);
+// retval = dummy_set_pmt(state, p_ca_message, hw_buffer, 0, 0);
+
+ break;
+
+ case CA_PMT_REPLY:
+ if (verbose > 3)
+ dprintk("Command = CA_PMT_REPLY\n");
+ /* Have to handle the 2 basic types of cards here */
+ if ((dst_check_ca_pmt(state, p_ca_message, hw_buffer)) < 0) {
+ dprintk("%s: -->CA_PMT_REPLY Failed !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 3)
+ dprintk("%s: -->CA_PMT_REPLY Success !\n", __FUNCTION__);
+
+ /* Certain boards do behave different ? */
+// retval = ca_set_pmt(state, p_ca_message, hw_buffer, 1, 1);
+
+ case CA_APP_INFO_ENQUIRY: // only for debugging
+ if (verbose > 3)
+ dprintk("%s: Getting Cam Application information\n", __FUNCTION__);
+
+ if ((ca_get_app_info(state)) < 0) {
+ dprintk("%s: -->CA_APP_INFO_ENQUIRY Failed !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 3)
+ printk("%s: -->CA_APP_INFO_ENQUIRY Success !\n", __FUNCTION__);
+
+ break;
+ }
+ }
+ return 0;
+}
+
+static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg)
+{
+ struct dvb_device* dvbdev = (struct dvb_device*) file->private_data;
+ struct dst_state* state = (struct dst_state*) dvbdev->priv;
+ struct ca_slot_info *p_ca_slot_info;
+ struct ca_caps *p_ca_caps;
+ struct ca_msg *p_ca_message;
+
+ if ((p_ca_message = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) {
+ printk("%s: Memory allocation failure\n", __FUNCTION__);
+ return -ENOMEM;
+ }
+
+ if ((p_ca_slot_info = (struct ca_slot_info *) kmalloc(sizeof (struct ca_slot_info), GFP_KERNEL)) == NULL) {
+ printk("%s: Memory allocation failure\n", __FUNCTION__);
+ return -ENOMEM;
+ }
+
+ if ((p_ca_caps = (struct ca_caps *) kmalloc(sizeof (struct ca_caps), GFP_KERNEL)) == NULL) {
+ printk("%s: Memory allocation failure\n", __FUNCTION__);
+ return -ENOMEM;
+ }
+
+ /* We have now only the standard ioctl's, the driver is upposed to handle internals. */
+ switch (cmd) {
+ case CA_SEND_MSG:
+ if (verbose > 1)
+ dprintk("%s: Sending message\n", __FUNCTION__);
+ if ((ca_send_message(state, p_ca_message, arg)) < 0) {
+ dprintk("%s: -->CA_SEND_MSG Failed !\n", __FUNCTION__);
+ return -1;
+ }
+
+ break;
+
+ case CA_GET_MSG:
+ if (verbose > 1)
+ dprintk("%s: Getting message\n", __FUNCTION__);
+ if ((ca_get_message(state, p_ca_message, arg)) < 0) {
+ dprintk("%s: -->CA_GET_MSG Failed !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 1)
+ dprintk("%s: -->CA_GET_MSG Success !\n", __FUNCTION__);
+
+ break;
+
+ case CA_RESET:
+ if (verbose > 1)
+ dprintk("%s: Resetting DST\n", __FUNCTION__);
+ dst_error_bailout(state);
+ msleep(4000);
+
+ break;
+
+ case CA_GET_SLOT_INFO:
+ if (verbose > 1)
+ dprintk("%s: Getting Slot info\n", __FUNCTION__);
+ if ((ca_get_slot_info(state, p_ca_slot_info, arg)) < 0) {
+ dprintk("%s: -->CA_GET_SLOT_INFO Failed !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 1)
+ dprintk("%s: -->CA_GET_SLOT_INFO Success !\n", __FUNCTION__);
+
+ break;
+
+ case CA_GET_CAP:
+ if (verbose > 1)
+ dprintk("%s: Getting Slot capabilities\n", __FUNCTION__);
+ if ((ca_get_slot_caps(state, p_ca_caps, arg)) < 0) {
+ dprintk("%s: -->CA_GET_CAP Failed !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 1)
+ dprintk("%s: -->CA_GET_CAP Success !\n", __FUNCTION__);
+
+ break;
+
+ case CA_GET_DESCR_INFO:
+ if (verbose > 1)
+ dprintk("%s: Getting descrambler description\n", __FUNCTION__);
+ if ((ca_get_slot_descr(state, p_ca_message, arg)) < 0) {
+ dprintk("%s: -->CA_GET_DESCR_INFO Failed !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 1)
+ dprintk("%s: -->CA_GET_DESCR_INFO Success !\n", __FUNCTION__);
+
+ break;
+
+ case CA_SET_DESCR:
+ if (verbose > 1)
+ dprintk("%s: Setting descrambler\n", __FUNCTION__);
+ if ((ca_set_slot_descr()) < 0) {
+ dprintk("%s: -->CA_SET_DESCR Failed !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 1)
+ dprintk("%s: -->CA_SET_DESCR Success !\n", __FUNCTION__);
+
+ break;
+
+ case CA_SET_PID:
+ if (verbose > 1)
+ dprintk("%s: Setting PID\n", __FUNCTION__);
+ if ((ca_set_pid()) < 0) {
+ dprintk("%s: -->CA_SET_PID Failed !\n", __FUNCTION__);
+ return -1;
+ }
+ if (verbose > 1)
+ dprintk("%s: -->CA_SET_PID Success !\n", __FUNCTION__);
+
+ default:
+ return -EOPNOTSUPP;
+ };
+
+ return 0;
+}
+
+static int dst_ca_open(struct inode *inode, struct file *file)
+{
+ if (verbose > 4)
+ dprintk("%s:Device opened [%p]\n", __FUNCTION__, file);
+ try_module_get(THIS_MODULE);
+
+ return 0;
+}
+
+static int dst_ca_release(struct inode *inode, struct file *file)
+{
+ if (verbose > 4)
+ dprintk("%s:Device closed.\n", __FUNCTION__);
+ module_put(THIS_MODULE);
+
+ return 0;
+}
+
+static int dst_ca_read(struct file *file, char __user * buffer, size_t length, loff_t * offset)
+{
+ int bytes_read = 0;
+
+ if (verbose > 4)
+ dprintk("%s:Device read.\n", __FUNCTION__);
+
+ return bytes_read;
+}
+
+static int dst_ca_write(struct file *file, const char __user * buffer, size_t length, loff_t * offset)
+{
+ if (verbose > 4)
+ dprintk("%s:Device write.\n", __FUNCTION__);
+
+ return 0;
+}
+
+static struct file_operations dst_ca_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = (void *)dst_ca_ioctl,
+ .open = dst_ca_open,
+ .release = dst_ca_release,
+ .read = dst_ca_read,
+ .write = dst_ca_write
+};
+
+static struct dvb_device dvbdev_ca = {
+ .priv = NULL,
+ .users = 1,
+ .readers = 1,
+ .writers = 1,
+ .fops = &dst_ca_fops
+};
+
+int dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter)
+{
+ struct dvb_device *dvbdev;
+ if (verbose > 4)
+ dprintk("%s:registering DST-CA device\n", __FUNCTION__);
+ dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA);
+ return 0;
+}
+
+EXPORT_SYMBOL(dst_ca_attach);
+
+MODULE_DESCRIPTION("DST DVB-S/T/C Combo CA driver");
+MODULE_AUTHOR("Manu Abraham");
+MODULE_LICENSE("GPL");