| /* |
| * 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 https://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 |
| |
| /* |
| * Max transfer size done by av7110_fw_cmd() |
| * |
| * The maximum size passed to this function is 6 bytes. The buffer also |
| * uses two additional ones for type and size. So, 8 bytes is enough. |
| */ |
| #define MAX_XFER_SIZE 8 |
| |
| /**************************************************************************** |
| * 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[MAX_XFER_SIZE]; |
| int i, ret; |
| |
| // dprintk(4, "%p\n", av7110); |
| |
| if (2 + num > ARRAY_SIZE(buf)) { |
| printk(KERN_WARNING |
| "%s: %s len=%d is too big!\n", |
| KBUILD_MODNAME, __func__, num); |
| return -EINVAL; |
| } |
| |
| 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 CPTCFG_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 /* CPTCFG_DVB_AV7110_OSD */ |