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path: root/drivers/media/dvb/ttpci/av7110_hw.c
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Diffstat (limited to 'drivers/media/dvb/ttpci/av7110_hw.c')
-rw-r--r--drivers/media/dvb/ttpci/av7110_hw.c1208
1 files changed, 1208 insertions, 0 deletions
diff --git a/drivers/media/dvb/ttpci/av7110_hw.c b/drivers/media/dvb/ttpci/av7110_hw.c
new file mode 100644
index 00000000..f1cbfe52
--- /dev/null
+++ b/drivers/media/dvb/ttpci/av7110_hw.c
@@ -0,0 +1,1208 @@
+/*
+ * av7110_hw.c: av7110 low level hardware access and firmware interface
+ *
+ * Copyright (C) 1999-2002 Ralph Metzler
+ * & Marcus Metzler for convergence integrated media GmbH
+ *
+ * originally based on code by:
+ * Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de>
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ *
+ * the project's page is at http://www.linuxtv.org/
+ */
+
+/* for debugging ARM communication: */
+//#define COM_DEBUG
+
+#include <stdarg.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/fs.h>
+
+#include "av7110.h"
+#include "av7110_hw.h"
+
+#define _NOHANDSHAKE
+
+/****************************************************************************
+ * DEBI functions
+ ****************************************************************************/
+
+/* This DEBI code is based on the Stradis driver
+ by Nathan Laredo <laredo@gnu.org> */
+
+int av7110_debiwrite(struct av7110 *av7110, u32 config,
+ int addr, u32 val, int count)
+{
+ struct saa7146_dev *dev = av7110->dev;
+
+ if (count <= 0 || count > 32764) {
+ printk("%s: invalid count %d\n", __func__, count);
+ return -1;
+ }
+ if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
+ printk("%s: wait_for_debi_done failed\n", __func__);
+ return -1;
+ }
+ saa7146_write(dev, DEBI_CONFIG, config);
+ if (count <= 4) /* immediate transfer */
+ saa7146_write(dev, DEBI_AD, val);
+ else /* block transfer */
+ saa7146_write(dev, DEBI_AD, av7110->debi_bus);
+ saa7146_write(dev, DEBI_COMMAND, (count << 17) | (addr & 0xffff));
+ saa7146_write(dev, MC2, (2 << 16) | 2);
+ return 0;
+}
+
+u32 av7110_debiread(struct av7110 *av7110, u32 config, int addr, int count)
+{
+ struct saa7146_dev *dev = av7110->dev;
+ u32 result = 0;
+
+ if (count > 32764 || count <= 0) {
+ printk("%s: invalid count %d\n", __func__, count);
+ return 0;
+ }
+ if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
+ printk("%s: wait_for_debi_done #1 failed\n", __func__);
+ return 0;
+ }
+ saa7146_write(dev, DEBI_AD, av7110->debi_bus);
+ saa7146_write(dev, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff));
+
+ saa7146_write(dev, DEBI_CONFIG, config);
+ saa7146_write(dev, MC2, (2 << 16) | 2);
+ if (count > 4)
+ return count;
+ if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
+ printk("%s: wait_for_debi_done #2 failed\n", __func__);
+ return 0;
+ }
+
+ result = saa7146_read(dev, DEBI_AD);
+ result &= (0xffffffffUL >> ((4 - count) * 8));
+ return result;
+}
+
+
+
+/* av7110 ARM core boot stuff */
+#if 0
+void av7110_reset_arm(struct av7110 *av7110)
+{
+ saa7146_setgpio(av7110->dev, RESET_LINE, SAA7146_GPIO_OUTLO);
+
+ /* Disable DEBI and GPIO irq */
+ SAA7146_IER_DISABLE(av7110->dev, MASK_19 | MASK_03);
+ SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
+
+ saa7146_setgpio(av7110->dev, RESET_LINE, SAA7146_GPIO_OUTHI);
+ msleep(30); /* the firmware needs some time to initialize */
+
+ ARM_ResetMailBox(av7110);
+
+ SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
+ SAA7146_IER_ENABLE(av7110->dev, MASK_03);
+
+ av7110->arm_ready = 1;
+ dprintk(1, "reset ARM\n");
+}
+#endif /* 0 */
+
+static int waitdebi(struct av7110 *av7110, int adr, int state)
+{
+ int k;
+
+ dprintk(4, "%p\n", av7110);
+
+ for (k = 0; k < 100; k++) {
+ if (irdebi(av7110, DEBINOSWAP, adr, 0, 2) == state)
+ return 0;
+ udelay(5);
+ }
+ return -ETIMEDOUT;
+}
+
+static int load_dram(struct av7110 *av7110, u32 *data, int len)
+{
+ int i;
+ int blocks, rest;
+ u32 base, bootblock = AV7110_BOOT_BLOCK;
+
+ dprintk(4, "%p\n", av7110);
+
+ blocks = len / AV7110_BOOT_MAX_SIZE;
+ rest = len % AV7110_BOOT_MAX_SIZE;
+ base = DRAM_START_CODE;
+
+ for (i = 0; i < blocks; i++) {
+ if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
+ printk(KERN_ERR "dvb-ttpci: load_dram(): timeout at block %d\n", i);
+ return -ETIMEDOUT;
+ }
+ dprintk(4, "writing DRAM block %d\n", i);
+ mwdebi(av7110, DEBISWAB, bootblock,
+ ((u8 *)data) + i * AV7110_BOOT_MAX_SIZE, AV7110_BOOT_MAX_SIZE);
+ bootblock ^= 0x1400;
+ iwdebi(av7110, DEBISWAB, AV7110_BOOT_BASE, swab32(base), 4);
+ iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, AV7110_BOOT_MAX_SIZE, 2);
+ iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
+ base += AV7110_BOOT_MAX_SIZE;
+ }
+
+ if (rest > 0) {
+ if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
+ printk(KERN_ERR "dvb-ttpci: load_dram(): timeout at last block\n");
+ return -ETIMEDOUT;
+ }
+ if (rest > 4)
+ mwdebi(av7110, DEBISWAB, bootblock,
+ ((u8 *)data) + i * AV7110_BOOT_MAX_SIZE, rest);
+ else
+ mwdebi(av7110, DEBISWAB, bootblock,
+ ((u8 *)data) + i * AV7110_BOOT_MAX_SIZE - 4, rest + 4);
+
+ iwdebi(av7110, DEBISWAB, AV7110_BOOT_BASE, swab32(base), 4);
+ iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, rest, 2);
+ iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
+ }
+ if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
+ printk(KERN_ERR "dvb-ttpci: load_dram(): timeout after last block\n");
+ return -ETIMEDOUT;
+ }
+ iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, 0, 2);
+ iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
+ if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_AV7110_BOOT_COMPLETE) < 0) {
+ printk(KERN_ERR "dvb-ttpci: load_dram(): final handshake timeout\n");
+ return -ETIMEDOUT;
+ }
+ return 0;
+}
+
+
+/* we cannot write av7110 DRAM directly, so load a bootloader into
+ * the DPRAM which implements a simple boot protocol */
+int av7110_bootarm(struct av7110 *av7110)
+{
+ const struct firmware *fw;
+ const char *fw_name = "av7110/bootcode.bin";
+ struct saa7146_dev *dev = av7110->dev;
+ u32 ret;
+ int i;
+
+ dprintk(4, "%p\n", av7110);
+
+ av7110->arm_ready = 0;
+
+ saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTLO);
+
+ /* Disable DEBI and GPIO irq */
+ SAA7146_IER_DISABLE(av7110->dev, MASK_03 | MASK_19);
+ SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
+
+ /* enable DEBI */
+ saa7146_write(av7110->dev, MC1, 0x08800880);
+ saa7146_write(av7110->dev, DD1_STREAM_B, 0x00000000);
+ saa7146_write(av7110->dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
+
+ /* test DEBI */
+ iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
+ /* FIXME: Why does Nexus CA require 2x iwdebi for first init? */
+ iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
+
+ if ((ret=irdebi(av7110, DEBINOSWAP, DPRAM_BASE, 0, 4)) != 0x10325476) {
+ printk(KERN_ERR "dvb-ttpci: debi test in av7110_bootarm() failed: "
+ "%08x != %08x (check your BIOS 'Plug&Play OS' settings)\n",
+ ret, 0x10325476);
+ return -1;
+ }
+ for (i = 0; i < 8192; i += 4)
+ iwdebi(av7110, DEBISWAP, DPRAM_BASE + i, 0x00, 4);
+ dprintk(2, "debi test OK\n");
+
+ /* boot */
+ dprintk(1, "load boot code\n");
+ saa7146_setgpio(dev, ARM_IRQ_LINE, SAA7146_GPIO_IRQLO);
+ //saa7146_setgpio(dev, DEBI_DONE_LINE, SAA7146_GPIO_INPUT);
+ //saa7146_setgpio(dev, 3, SAA7146_GPIO_INPUT);
+
+ ret = request_firmware(&fw, fw_name, &dev->pci->dev);
+ if (ret) {
+ printk(KERN_ERR "dvb-ttpci: Failed to load firmware \"%s\"\n",
+ fw_name);
+ return ret;
+ }
+
+ mwdebi(av7110, DEBISWAB, DPRAM_BASE, fw->data, fw->size);
+ release_firmware(fw);
+ iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
+
+ if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
+ printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): "
+ "saa7146_wait_for_debi_done() timed out\n");
+ return -ETIMEDOUT;
+ }
+ saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
+ mdelay(1);
+
+ dprintk(1, "load dram code\n");
+ if (load_dram(av7110, (u32 *)av7110->bin_root, av7110->size_root) < 0) {
+ printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): "
+ "load_dram() failed\n");
+ return -1;
+ }
+
+ saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTLO);
+ mdelay(1);
+
+ dprintk(1, "load dpram code\n");
+ mwdebi(av7110, DEBISWAB, DPRAM_BASE, av7110->bin_dpram, av7110->size_dpram);
+
+ if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
+ printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): "
+ "saa7146_wait_for_debi_done() timed out after loading DRAM\n");
+ return -ETIMEDOUT;
+ }
+ saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
+ msleep(30); /* the firmware needs some time to initialize */
+
+ //ARM_ClearIrq(av7110);
+ ARM_ResetMailBox(av7110);
+ SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
+ SAA7146_IER_ENABLE(av7110->dev, MASK_03);
+
+ av7110->arm_errors = 0;
+ av7110->arm_ready = 1;
+ return 0;
+}
+MODULE_FIRMWARE("av7110/bootcode.bin");
+
+/****************************************************************************
+ * DEBI command polling
+ ****************************************************************************/
+
+int av7110_wait_msgstate(struct av7110 *av7110, u16 flags)
+{
+ unsigned long start;
+ u32 stat;
+ int err;
+
+ if (FW_VERSION(av7110->arm_app) <= 0x261c) {
+ /* not supported by old firmware */
+ msleep(50);
+ return 0;
+ }
+
+ /* new firmware */
+ start = jiffies;
+ for (;;) {
+ err = time_after(jiffies, start + ARM_WAIT_FREE);
+ if (mutex_lock_interruptible(&av7110->dcomlock))
+ return -ERESTARTSYS;
+ stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
+ mutex_unlock(&av7110->dcomlock);
+ if ((stat & flags) == 0)
+ break;
+ if (err) {
+ printk(KERN_ERR "%s: timeout waiting for MSGSTATE %04x\n",
+ __func__, stat & flags);
+ return -ETIMEDOUT;
+ }
+ msleep(1);
+ }
+ return 0;
+}
+
+static int __av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
+{
+ int i;
+ unsigned long start;
+ char *type = NULL;
+ u16 flags[2] = {0, 0};
+ u32 stat;
+ int err;
+
+// dprintk(4, "%p\n", av7110);
+
+ if (!av7110->arm_ready) {
+ dprintk(1, "arm not ready.\n");
+ return -ENXIO;
+ }
+
+ start = jiffies;
+ while (1) {
+ err = time_after(jiffies, start + ARM_WAIT_FREE);
+ if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
+ break;
+ if (err) {
+ printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for COMMAND idle\n", __func__);
+ av7110->arm_errors++;
+ return -ETIMEDOUT;
+ }
+ msleep(1);
+ }
+
+ if (FW_VERSION(av7110->arm_app) <= 0x261f)
+ wdebi(av7110, DEBINOSWAP, COM_IF_LOCK, 0xffff, 2);
+
+#ifndef _NOHANDSHAKE
+ start = jiffies;
+ while (1) {
+ err = time_after(jiffies, start + ARM_WAIT_SHAKE);
+ if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
+ break;
+ if (err) {
+ printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for HANDSHAKE_REG\n", __func__);
+ return -ETIMEDOUT;
+ }
+ msleep(1);
+ }
+#endif
+
+ switch ((buf[0] >> 8) & 0xff) {
+ case COMTYPE_PIDFILTER:
+ case COMTYPE_ENCODER:
+ case COMTYPE_REC_PLAY:
+ case COMTYPE_MPEGDECODER:
+ type = "MSG";
+ flags[0] = GPMQOver;
+ flags[1] = GPMQFull;
+ break;
+ case COMTYPE_OSD:
+ type = "OSD";
+ flags[0] = OSDQOver;
+ flags[1] = OSDQFull;
+ break;
+ case COMTYPE_MISC:
+ if (FW_VERSION(av7110->arm_app) >= 0x261d) {
+ type = "MSG";
+ flags[0] = GPMQOver;
+ flags[1] = GPMQBusy;
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (type != NULL) {
+ /* non-immediate COMMAND type */
+ start = jiffies;
+ for (;;) {
+ err = time_after(jiffies, start + ARM_WAIT_FREE);
+ stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
+ if (stat & flags[0]) {
+ printk(KERN_ERR "%s: %s QUEUE overflow\n",
+ __func__, type);
+ return -1;
+ }
+ if ((stat & flags[1]) == 0)
+ break;
+ if (err) {
+ printk(KERN_ERR "%s: timeout waiting on busy %s QUEUE\n",
+ __func__, type);
+ av7110->arm_errors++;
+ return -ETIMEDOUT;
+ }
+ msleep(1);
+ }
+ }
+
+ for (i = 2; i < length; i++)
+ wdebi(av7110, DEBINOSWAP, COMMAND + 2 * i, (u32) buf[i], 2);
+
+ if (length)
+ wdebi(av7110, DEBINOSWAP, COMMAND + 2, (u32) buf[1], 2);
+ else
+ wdebi(av7110, DEBINOSWAP, COMMAND + 2, 0, 2);
+
+ wdebi(av7110, DEBINOSWAP, COMMAND, (u32) buf[0], 2);
+
+ if (FW_VERSION(av7110->arm_app) <= 0x261f)
+ wdebi(av7110, DEBINOSWAP, COM_IF_LOCK, 0x0000, 2);
+
+#ifdef COM_DEBUG
+ start = jiffies;
+ while (1) {
+ err = time_after(jiffies, start + ARM_WAIT_FREE);
+ if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
+ break;
+ if (err) {
+ printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for COMMAND %d to complete\n",
+ __func__, (buf[0] >> 8) & 0xff);
+ return -ETIMEDOUT;
+ }
+ msleep(1);
+ }
+
+ stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
+ if (stat & GPMQOver) {
+ printk(KERN_ERR "dvb-ttpci: %s(): GPMQOver\n", __func__);
+ return -ENOSPC;
+ }
+ else if (stat & OSDQOver) {
+ printk(KERN_ERR "dvb-ttpci: %s(): OSDQOver\n", __func__);
+ return -ENOSPC;
+ }
+#endif
+
+ return 0;
+}
+
+static int av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
+{
+ int ret;
+
+// dprintk(4, "%p\n", av7110);
+
+ if (!av7110->arm_ready) {
+ dprintk(1, "arm not ready.\n");
+ return -1;
+ }
+ if (mutex_lock_interruptible(&av7110->dcomlock))
+ return -ERESTARTSYS;
+
+ ret = __av7110_send_fw_cmd(av7110, buf, length);
+ mutex_unlock(&av7110->dcomlock);
+ if (ret && ret!=-ERESTARTSYS)
+ printk(KERN_ERR "dvb-ttpci: %s(): av7110_send_fw_cmd error %d\n",
+ __func__, ret);
+ return ret;
+}
+
+int av7110_fw_cmd(struct av7110 *av7110, int type, int com, int num, ...)
+{
+ va_list args;
+ u16 buf[num + 2];
+ int i, ret;
+
+// dprintk(4, "%p\n", av7110);
+
+ buf[0] = ((type << 8) | com);
+ buf[1] = num;
+
+ if (num) {
+ va_start(args, num);
+ for (i = 0; i < num; i++)
+ buf[i + 2] = va_arg(args, u32);
+ va_end(args);
+ }
+
+ ret = av7110_send_fw_cmd(av7110, buf, num + 2);
+ if (ret && ret != -ERESTARTSYS)
+ printk(KERN_ERR "dvb-ttpci: av7110_fw_cmd error %d\n", ret);
+ return ret;
+}
+
+#if 0
+int av7110_send_ci_cmd(struct av7110 *av7110, u8 subcom, u8 *buf, u8 len)
+{
+ int i, ret;
+ u16 cmd[18] = { ((COMTYPE_COMMON_IF << 8) + subcom),
+ 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+
+ dprintk(4, "%p\n", av7110);
+
+ for(i = 0; i < len && i < 32; i++)
+ {
+ if(i % 2 == 0)
+ cmd[(i / 2) + 2] = (u16)(buf[i]) << 8;
+ else
+ cmd[(i / 2) + 2] |= buf[i];
+ }
+
+ ret = av7110_send_fw_cmd(av7110, cmd, 18);
+ if (ret && ret != -ERESTARTSYS)
+ printk(KERN_ERR "dvb-ttpci: av7110_send_ci_cmd error %d\n", ret);
+ return ret;
+}
+#endif /* 0 */
+
+int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
+ int request_buf_len, u16 *reply_buf, int reply_buf_len)
+{
+ int err;
+ s16 i;
+ unsigned long start;
+#ifdef COM_DEBUG
+ u32 stat;
+#endif
+
+ dprintk(4, "%p\n", av7110);
+
+ if (!av7110->arm_ready) {
+ dprintk(1, "arm not ready.\n");
+ return -1;
+ }
+
+ if (mutex_lock_interruptible(&av7110->dcomlock))
+ return -ERESTARTSYS;
+
+ if ((err = __av7110_send_fw_cmd(av7110, request_buf, request_buf_len)) < 0) {
+ mutex_unlock(&av7110->dcomlock);
+ printk(KERN_ERR "dvb-ttpci: av7110_fw_request error %d\n", err);
+ return err;
+ }
+
+ start = jiffies;
+ while (1) {
+ err = time_after(jiffies, start + ARM_WAIT_FREE);
+ if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
+ break;
+ if (err) {
+ printk(KERN_ERR "%s: timeout waiting for COMMAND to complete\n", __func__);
+ mutex_unlock(&av7110->dcomlock);
+ return -ETIMEDOUT;
+ }
+#ifdef _NOHANDSHAKE
+ msleep(1);
+#endif
+ }
+
+#ifndef _NOHANDSHAKE
+ start = jiffies;
+ while (1) {
+ err = time_after(jiffies, start + ARM_WAIT_SHAKE);
+ if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
+ break;
+ if (err) {
+ printk(KERN_ERR "%s: timeout waiting for HANDSHAKE_REG\n", __func__);
+ mutex_unlock(&av7110->dcomlock);
+ return -ETIMEDOUT;
+ }
+ msleep(1);
+ }
+#endif
+
+#ifdef COM_DEBUG
+ stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
+ if (stat & GPMQOver) {
+ printk(KERN_ERR "%s: GPMQOver\n", __func__);
+ mutex_unlock(&av7110->dcomlock);
+ return -1;
+ }
+ else if (stat & OSDQOver) {
+ printk(KERN_ERR "%s: OSDQOver\n", __func__);
+ mutex_unlock(&av7110->dcomlock);
+ return -1;
+ }
+#endif
+
+ for (i = 0; i < reply_buf_len; i++)
+ reply_buf[i] = rdebi(av7110, DEBINOSWAP, COM_BUFF + 2 * i, 0, 2);
+
+ mutex_unlock(&av7110->dcomlock);
+ return 0;
+}
+
+static int av7110_fw_query(struct av7110 *av7110, u16 tag, u16* buf, s16 length)
+{
+ int ret;
+ ret = av7110_fw_request(av7110, &tag, 0, buf, length);
+ if (ret)
+ printk(KERN_ERR "dvb-ttpci: av7110_fw_query error %d\n", ret);
+ return ret;
+}
+
+
+/****************************************************************************
+ * Firmware commands
+ ****************************************************************************/
+
+/* get version of the firmware ROM, RTSL, video ucode and ARM application */
+int av7110_firmversion(struct av7110 *av7110)
+{
+ u16 buf[20];
+ u16 tag = ((COMTYPE_REQUEST << 8) + ReqVersion);
+
+ dprintk(4, "%p\n", av7110);
+
+ if (av7110_fw_query(av7110, tag, buf, 16)) {
+ printk("dvb-ttpci: failed to boot firmware @ card %d\n",
+ av7110->dvb_adapter.num);
+ return -EIO;
+ }
+
+ av7110->arm_fw = (buf[0] << 16) + buf[1];
+ av7110->arm_rtsl = (buf[2] << 16) + buf[3];
+ av7110->arm_vid = (buf[4] << 16) + buf[5];
+ av7110->arm_app = (buf[6] << 16) + buf[7];
+ av7110->avtype = (buf[8] << 16) + buf[9];
+
+ printk("dvb-ttpci: info @ card %d: firm %08x, rtsl %08x, vid %08x, app %08x\n",
+ av7110->dvb_adapter.num, av7110->arm_fw,
+ av7110->arm_rtsl, av7110->arm_vid, av7110->arm_app);
+
+ /* print firmware capabilities */
+ if (FW_CI_LL_SUPPORT(av7110->arm_app))
+ printk("dvb-ttpci: firmware @ card %d supports CI link layer interface\n",
+ av7110->dvb_adapter.num);
+ else
+ printk("dvb-ttpci: no firmware support for CI link layer interface @ card %d\n",
+ av7110->dvb_adapter.num);
+
+ return 0;
+}
+
+
+int av7110_diseqc_send(struct av7110 *av7110, int len, u8 *msg, unsigned long burst)
+{
+ int i, ret;
+ u16 buf[18] = { ((COMTYPE_AUDIODAC << 8) + SendDiSEqC),
+ 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+
+ dprintk(4, "%p\n", av7110);
+
+ if (len > 10)
+ len = 10;
+
+ buf[1] = len + 2;
+ buf[2] = len;
+
+ if (burst != -1)
+ buf[3] = burst ? 0x01 : 0x00;
+ else
+ buf[3] = 0xffff;
+
+ for (i = 0; i < len; i++)
+ buf[i + 4] = msg[i];
+
+ ret = av7110_send_fw_cmd(av7110, buf, 18);
+ if (ret && ret!=-ERESTARTSYS)
+ printk(KERN_ERR "dvb-ttpci: av7110_diseqc_send error %d\n", ret);
+ return ret;
+}
+
+
+#ifdef CONFIG_DVB_AV7110_OSD
+
+static inline int SetColorBlend(struct av7110 *av7110, u8 windownr)
+{
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, SetCBlend, 1, windownr);
+}
+
+static inline int SetBlend_(struct av7110 *av7110, u8 windownr,
+ enum av7110_osd_palette_type colordepth, u16 index, u8 blending)
+{
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, SetBlend, 4,
+ windownr, colordepth, index, blending);
+}
+
+static inline int SetColor_(struct av7110 *av7110, u8 windownr,
+ enum av7110_osd_palette_type colordepth, u16 index, u16 colorhi, u16 colorlo)
+{
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, SetColor, 5,
+ windownr, colordepth, index, colorhi, colorlo);
+}
+
+static inline int SetFont(struct av7110 *av7110, u8 windownr, u8 fontsize,
+ u16 colorfg, u16 colorbg)
+{
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, Set_Font, 4,
+ windownr, fontsize, colorfg, colorbg);
+}
+
+static int FlushText(struct av7110 *av7110)
+{
+ unsigned long start;
+ int err;
+
+ if (mutex_lock_interruptible(&av7110->dcomlock))
+ return -ERESTARTSYS;
+ start = jiffies;
+ while (1) {
+ err = time_after(jiffies, start + ARM_WAIT_OSD);
+ if (rdebi(av7110, DEBINOSWAP, BUFF1_BASE, 0, 2) == 0)
+ break;
+ if (err) {
+ printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for BUFF1_BASE == 0\n",
+ __func__);
+ mutex_unlock(&av7110->dcomlock);
+ return -ETIMEDOUT;
+ }
+ msleep(1);
+ }
+ mutex_unlock(&av7110->dcomlock);
+ return 0;
+}
+
+static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, char *buf)
+{
+ int i, ret;
+ unsigned long start;
+ int length = strlen(buf) + 1;
+ u16 cbuf[5] = { (COMTYPE_OSD << 8) + DText, 3, win, x, y };
+
+ if (mutex_lock_interruptible(&av7110->dcomlock))
+ return -ERESTARTSYS;
+
+ start = jiffies;
+ while (1) {
+ ret = time_after(jiffies, start + ARM_WAIT_OSD);
+ if (rdebi(av7110, DEBINOSWAP, BUFF1_BASE, 0, 2) == 0)
+ break;
+ if (ret) {
+ printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for BUFF1_BASE == 0\n",
+ __func__);
+ mutex_unlock(&av7110->dcomlock);
+ return -ETIMEDOUT;
+ }
+ msleep(1);
+ }
+#ifndef _NOHANDSHAKE
+ start = jiffies;
+ while (1) {
+ ret = time_after(jiffies, start + ARM_WAIT_SHAKE);
+ if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
+ break;
+ if (ret) {
+ printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for HANDSHAKE_REG\n",
+ __func__);
+ mutex_unlock(&av7110->dcomlock);
+ return -ETIMEDOUT;
+ }
+ msleep(1);
+ }
+#endif
+ for (i = 0; i < length / 2; i++)
+ wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2,
+ swab16(*(u16 *)(buf + 2 * i)), 2);
+ if (length & 1)
+ wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2, 0, 2);
+ ret = __av7110_send_fw_cmd(av7110, cbuf, 5);
+ mutex_unlock(&av7110->dcomlock);
+ if (ret && ret!=-ERESTARTSYS)
+ printk(KERN_ERR "dvb-ttpci: WriteText error %d\n", ret);
+ return ret;
+}
+
+static inline int DrawLine(struct av7110 *av7110, u8 windownr,
+ u16 x, u16 y, u16 dx, u16 dy, u16 color)
+{
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, DLine, 6,
+ windownr, x, y, dx, dy, color);
+}
+
+static inline int DrawBlock(struct av7110 *av7110, u8 windownr,
+ u16 x, u16 y, u16 dx, u16 dy, u16 color)
+{
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, DBox, 6,
+ windownr, x, y, dx, dy, color);
+}
+
+static inline int HideWindow(struct av7110 *av7110, u8 windownr)
+{
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, WHide, 1, windownr);
+}
+
+static inline int MoveWindowRel(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
+{
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveD, 3, windownr, x, y);
+}
+
+static inline int MoveWindowAbs(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
+{
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveA, 3, windownr, x, y);
+}
+
+static inline int DestroyOSDWindow(struct av7110 *av7110, u8 windownr)
+{
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, WDestroy, 1, windownr);
+}
+
+static inline int CreateOSDWindow(struct av7110 *av7110, u8 windownr,
+ osd_raw_window_t disptype,
+ u16 width, u16 height)
+{
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, WCreate, 4,
+ windownr, disptype, width, height);
+}
+
+
+static enum av7110_osd_palette_type bpp2pal[8] = {
+ Pal1Bit, Pal2Bit, 0, Pal4Bit, 0, 0, 0, Pal8Bit
+};
+static osd_raw_window_t bpp2bit[8] = {
+ OSD_BITMAP1, OSD_BITMAP2, 0, OSD_BITMAP4, 0, 0, 0, OSD_BITMAP8
+};
+
+static inline int WaitUntilBmpLoaded(struct av7110 *av7110)
+{
+ int ret = wait_event_timeout(av7110->bmpq,
+ av7110->bmp_state != BMP_LOADING, 10*HZ);
+ if (ret == 0) {
+ printk("dvb-ttpci: warning: timeout waiting in LoadBitmap: %d, %d\n",
+ ret, av7110->bmp_state);
+ av7110->bmp_state = BMP_NONE;
+ return -ETIMEDOUT;
+ }
+ return 0;
+}
+
+static inline int LoadBitmap(struct av7110 *av7110,
+ u16 dx, u16 dy, int inc, u8 __user * data)
+{
+ u16 format;
+ int bpp;
+ int i;
+ int d, delta;
+ u8 c;
+ int ret;
+
+ dprintk(4, "%p\n", av7110);
+
+ format = bpp2bit[av7110->osdbpp[av7110->osdwin]];
+
+ av7110->bmp_state = BMP_LOADING;
+ if (format == OSD_BITMAP8) {
+ bpp=8; delta = 1;
+ } else if (format == OSD_BITMAP4) {
+ bpp=4; delta = 2;
+ } else if (format == OSD_BITMAP2) {
+ bpp=2; delta = 4;
+ } else if (format == OSD_BITMAP1) {
+ bpp=1; delta = 8;
+ } else {
+ av7110->bmp_state = BMP_NONE;
+ return -EINVAL;
+ }
+ av7110->bmplen = ((dx * dy * bpp + 7) & ~7) / 8;
+ av7110->bmpp = 0;
+ if (av7110->bmplen > 32768) {
+ av7110->bmp_state = BMP_NONE;
+ return -EINVAL;
+ }
+ for (i = 0; i < dy; i++) {
+ if (copy_from_user(av7110->bmpbuf + 1024 + i * dx, data + i * inc, dx)) {
+ av7110->bmp_state = BMP_NONE;
+ return -EINVAL;
+ }
+ }
+ if (format != OSD_BITMAP8) {
+ for (i = 0; i < dx * dy / delta; i++) {
+ c = ((u8 *)av7110->bmpbuf)[1024 + i * delta + delta - 1];
+ for (d = delta - 2; d >= 0; d--) {
+ c |= (((u8 *)av7110->bmpbuf)[1024 + i * delta + d]
+ << ((delta - d - 1) * bpp));
+ ((u8 *)av7110->bmpbuf)[1024 + i] = c;
+ }
+ }
+ }
+ av7110->bmplen += 1024;
+ dprintk(4, "av7110_fw_cmd: LoadBmp size %d\n", av7110->bmplen);
+ ret = av7110_fw_cmd(av7110, COMTYPE_OSD, LoadBmp, 3, format, dx, dy);
+ if (!ret)
+ ret = WaitUntilBmpLoaded(av7110);
+ return ret;
+}
+
+static int BlitBitmap(struct av7110 *av7110, u16 x, u16 y)
+{
+ dprintk(4, "%p\n", av7110);
+
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, BlitBmp, 4, av7110->osdwin, x, y, 0);
+}
+
+static inline int ReleaseBitmap(struct av7110 *av7110)
+{
+ dprintk(4, "%p\n", av7110);
+
+ if (av7110->bmp_state != BMP_LOADED && FW_VERSION(av7110->arm_app) < 0x261e)
+ return -1;
+ if (av7110->bmp_state == BMP_LOADING)
+ dprintk(1,"ReleaseBitmap called while BMP_LOADING\n");
+ av7110->bmp_state = BMP_NONE;
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, ReleaseBmp, 0);
+}
+
+static u32 RGB2YUV(u16 R, u16 G, u16 B)
+{
+ u16 y, u, v;
+ u16 Y, Cr, Cb;
+
+ y = R * 77 + G * 150 + B * 29; /* Luma=0.299R+0.587G+0.114B 0..65535 */
+ u = 2048 + B * 8 -(y >> 5); /* Cr 0..4095 */
+ v = 2048 + R * 8 -(y >> 5); /* Cb 0..4095 */
+
+ Y = y / 256;
+ Cb = u / 16;
+ Cr = v / 16;
+
+ return Cr | (Cb << 16) | (Y << 8);
+}
+
+static int OSDSetColor(struct av7110 *av7110, u8 color, u8 r, u8 g, u8 b, u8 blend)
+{
+ int ret;
+
+ u16 ch, cl;
+ u32 yuv;
+
+ yuv = blend ? RGB2YUV(r,g,b) : 0;
+ cl = (yuv & 0xffff);
+ ch = ((yuv >> 16) & 0xffff);
+ ret = SetColor_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
+ color, ch, cl);
+ if (!ret)
+ ret = SetBlend_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
+ color, ((blend >> 4) & 0x0f));
+ return ret;
+}
+
+static int OSDSetPalette(struct av7110 *av7110, u32 __user * colors, u8 first, u8 last)
+{
+ int i;
+ int length = last - first + 1;
+
+ if (length * 4 > DATA_BUFF3_SIZE)
+ return -EINVAL;
+
+ for (i = 0; i < length; i++) {
+ u32 color, blend, yuv;
+
+ if (get_user(color, colors + i))
+ return -EFAULT;
+ blend = (color & 0xF0000000) >> 4;
+ yuv = blend ? RGB2YUV(color & 0xFF, (color >> 8) & 0xFF,
+ (color >> 16) & 0xFF) | blend : 0;
+ yuv = ((yuv & 0xFFFF0000) >> 16) | ((yuv & 0x0000FFFF) << 16);
+ wdebi(av7110, DEBINOSWAP, DATA_BUFF3_BASE + i * 4, yuv, 4);
+ }
+ return av7110_fw_cmd(av7110, COMTYPE_OSD, Set_Palette, 4,
+ av7110->osdwin,
+ bpp2pal[av7110->osdbpp[av7110->osdwin]],
+ first, last);
+}
+
+static int OSDSetBlock(struct av7110 *av7110, int x0, int y0,
+ int x1, int y1, int inc, u8 __user * data)
+{
+ uint w, h, bpp, bpl, size, lpb, bnum, brest;
+ int i;
+ int rc,release_rc;
+
+ w = x1 - x0 + 1;
+ h = y1 - y0 + 1;
+ if (inc <= 0)
+ inc = w;
+ if (w <= 0 || w > 720 || h <= 0 || h > 576)
+ return -EINVAL;
+ bpp = av7110->osdbpp[av7110->osdwin] + 1;
+ bpl = ((w * bpp + 7) & ~7) / 8;
+ size = h * bpl;
+ lpb = (32 * 1024) / bpl;
+ bnum = size / (lpb * bpl);
+ brest = size - bnum * lpb * bpl;
+
+ if (av7110->bmp_state == BMP_LOADING) {
+ /* possible if syscall is repeated by -ERESTARTSYS and if firmware cannot abort */
+ BUG_ON (FW_VERSION(av7110->arm_app) >= 0x261e);
+ rc = WaitUntilBmpLoaded(av7110);
+ if (rc)
+ return rc;
+ /* just continue. This should work for all fw versions
+ * if bnum==1 && !brest && LoadBitmap was successful
+ */
+ }
+
+ rc = 0;
+ for (i = 0; i < bnum; i++) {
+ rc = LoadBitmap(av7110, w, lpb, inc, data);
+ if (rc)
+ break;
+ rc = BlitBitmap(av7110, x0, y0 + i * lpb);
+ if (rc)
+ break;
+ data += lpb * inc;
+ }
+ if (!rc && brest) {
+ rc = LoadBitmap(av7110, w, brest / bpl, inc, data);
+ if (!rc)
+ rc = BlitBitmap(av7110, x0, y0 + bnum * lpb);
+ }
+ release_rc = ReleaseBitmap(av7110);
+ if (!rc)
+ rc = release_rc;
+ if (rc)
+ dprintk(1,"returns %d\n",rc);
+ return rc;
+}
+
+int av7110_osd_cmd(struct av7110 *av7110, osd_cmd_t *dc)
+{
+ int ret;
+
+ if (mutex_lock_interruptible(&av7110->osd_mutex))
+ return -ERESTARTSYS;
+
+ switch (dc->cmd) {
+ case OSD_Close:
+ ret = DestroyOSDWindow(av7110, av7110->osdwin);
+ break;
+ case OSD_Open:
+ av7110->osdbpp[av7110->osdwin] = (dc->color - 1) & 7;
+ ret = CreateOSDWindow(av7110, av7110->osdwin,
+ bpp2bit[av7110->osdbpp[av7110->osdwin]],
+ dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
+ if (ret)
+ break;
+ if (!dc->data) {
+ ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
+ if (ret)
+ break;
+ ret = SetColorBlend(av7110, av7110->osdwin);
+ }
+ break;
+ case OSD_Show:
+ ret = MoveWindowRel(av7110, av7110->osdwin, 0, 0);
+ break;
+ case OSD_Hide:
+ ret = HideWindow(av7110, av7110->osdwin);
+ break;
+ case OSD_Clear:
+ ret = DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, 0);
+ break;
+ case OSD_Fill:
+ ret = DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, dc->color);
+ break;
+ case OSD_SetColor:
+ ret = OSDSetColor(av7110, dc->color, dc->x0, dc->y0, dc->x1, dc->y1);
+ break;
+ case OSD_SetPalette:
+ if (FW_VERSION(av7110->arm_app) >= 0x2618)
+ ret = OSDSetPalette(av7110, dc->data, dc->color, dc->x0);
+ else {
+ int i, len = dc->x0-dc->color+1;
+ u8 __user *colors = (u8 __user *)dc->data;
+ u8 r, g = 0, b = 0, blend = 0;
+ ret = 0;
+ for (i = 0; i<len; i++) {
+ if (get_user(r, colors + i * 4) ||
+ get_user(g, colors + i * 4 + 1) ||
+ get_user(b, colors + i * 4 + 2) ||
+ get_user(blend, colors + i * 4 + 3)) {
+ ret = -EFAULT;
+ break;
+ }
+ ret = OSDSetColor(av7110, dc->color + i, r, g, b, blend);
+ if (ret)
+ break;
+ }
+ }
+ break;
+ case OSD_SetPixel:
+ ret = DrawLine(av7110, av7110->osdwin,
+ dc->x0, dc->y0, 0, 0, dc->color);
+ break;
+ case OSD_SetRow:
+ dc->y1 = dc->y0;
+ /* fall through */
+ case OSD_SetBlock:
+ ret = OSDSetBlock(av7110, dc->x0, dc->y0, dc->x1, dc->y1, dc->color, dc->data);
+ break;
+ case OSD_FillRow:
+ ret = DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
+ dc->x1-dc->x0+1, dc->y1, dc->color);
+ break;
+ case OSD_FillBlock:
+ ret = DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
+ dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1, dc->color);
+ break;
+ case OSD_Line:
+ ret = DrawLine(av7110, av7110->osdwin,
+ dc->x0, dc->y0, dc->x1 - dc->x0, dc->y1 - dc->y0, dc->color);
+ break;
+ case OSD_Text:
+ {
+ char textbuf[240];
+
+ if (strncpy_from_user(textbuf, dc->data, 240) < 0) {
+ ret = -EFAULT;
+ break;
+ }
+ textbuf[239] = 0;
+ if (dc->x1 > 3)
+ dc->x1 = 3;
+ ret = SetFont(av7110, av7110->osdwin, dc->x1,
+ (u16) (dc->color & 0xffff), (u16) (dc->color >> 16));
+ if (!ret)
+ ret = FlushText(av7110);
+ if (!ret)
+ ret = WriteText(av7110, av7110->osdwin, dc->x0, dc->y0, textbuf);
+ break;
+ }
+ case OSD_SetWindow:
+ if (dc->x0 < 1 || dc->x0 > 7)
+ ret = -EINVAL;
+ else {
+ av7110->osdwin = dc->x0;
+ ret = 0;
+ }
+ break;
+ case OSD_MoveWindow:
+ ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
+ if (!ret)
+ ret = SetColorBlend(av7110, av7110->osdwin);
+ break;
+ case OSD_OpenRaw:
+ if (dc->color < OSD_BITMAP1 || dc->color > OSD_CURSOR) {
+ ret = -EINVAL;
+ break;
+ }
+ if (dc->color >= OSD_BITMAP1 && dc->color <= OSD_BITMAP8HR)
+ av7110->osdbpp[av7110->osdwin] = (1 << (dc->color & 3)) - 1;
+ else
+ av7110->osdbpp[av7110->osdwin] = 0;
+ ret = CreateOSDWindow(av7110, av7110->osdwin, (osd_raw_window_t)dc->color,
+ dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
+ if (ret)
+ break;
+ if (!dc->data) {
+ ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
+ if (!ret)
+ ret = SetColorBlend(av7110, av7110->osdwin);
+ }
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ mutex_unlock(&av7110->osd_mutex);
+ if (ret==-ERESTARTSYS)
+ dprintk(1, "av7110_osd_cmd(%d) returns with -ERESTARTSYS\n",dc->cmd);
+ else if (ret)
+ dprintk(1, "av7110_osd_cmd(%d) returns with %d\n",dc->cmd,ret);
+
+ return ret;
+}
+
+int av7110_osd_capability(struct av7110 *av7110, osd_cap_t *cap)
+{
+ switch (cap->cmd) {
+ case OSD_CAP_MEMSIZE:
+ if (FW_4M_SDRAM(av7110->arm_app))
+ cap->val = 1000000;
+ else
+ cap->val = 92000;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+#endif /* CONFIG_DVB_AV7110_OSD */
generated by cgit (git 2.34.1) at 2024-12-22 20:29:49 +0000