diff options
Diffstat (limited to 'drivers/media/pci/ttpci/av7110_hw.c')
| -rw-r--r-- | drivers/media/pci/ttpci/av7110_hw.c | 1204 |
1 files changed, 1204 insertions, 0 deletions
diff --git a/drivers/media/pci/ttpci/av7110_hw.c b/drivers/media/pci/ttpci/av7110_hw.c new file mode 100644 index 000000000..93ca31e38 --- /dev/null +++ b/drivers/media/pci/ttpci/av7110_hw.c @@ -0,0 +1,1204 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * 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> + * + * the project's page is at https://linuxtv.org + */ + +/* for debugging ARM communication: */ +//#define COM_DEBUG + +#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, unsigned int count) +{ + struct saa7146_dev *dev = av7110->dev; + + if (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, unsigned int count) +{ + struct saa7146_dev *dev = av7110->dev; + u32 result = 0; + + if (count > 32764) { + 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 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; + fallthrough; + 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 */ |