diff options
Diffstat (limited to 'linux/drivers/media/video/cx18')
25 files changed, 825 insertions, 495 deletions
diff --git a/linux/drivers/media/video/cx18/Kconfig b/linux/drivers/media/video/cx18/Kconfig index 9aefdc5ea..ef48565de 100644 --- a/linux/drivers/media/video/cx18/Kconfig +++ b/linux/drivers/media/video/cx18/Kconfig @@ -2,9 +2,7 @@ config VIDEO_CX18 tristate "Conexant cx23418 MPEG encoder support" depends on VIDEO_V4L2 && DVB_CORE && PCI && I2C && EXPERIMENTAL depends on INPUT # due to VIDEO_IR - depends on HOTPLUG # due to FW_LOADER select I2C_ALGOBIT - select FW_LOADER select VIDEO_IR select VIDEO_TUNER select VIDEO_TVEEPROM diff --git a/linux/drivers/media/video/cx18/Makefile b/linux/drivers/media/video/cx18/Makefile index b23d2e261..f7bf0edf9 100644 --- a/linux/drivers/media/video/cx18/Makefile +++ b/linux/drivers/media/video/cx18/Makefile @@ -2,7 +2,7 @@ cx18-objs := cx18-driver.o cx18-cards.o cx18-i2c.o cx18-firmware.o cx18-gpio. cx18-queue.o cx18-streams.o cx18-fileops.o cx18-ioctl.o cx18-controls.o \ cx18-mailbox.o cx18-vbi.o cx18-audio.o cx18-video.o cx18-irq.o \ cx18-av-core.o cx18-av-audio.o cx18-av-firmware.o cx18-av-vbi.o cx18-scb.o \ - cx18-dvb.o + cx18-dvb.o cx18-io.o obj-$(CONFIG_VIDEO_CX18) += cx18.o diff --git a/linux/drivers/media/video/cx18/cx18-audio.c b/linux/drivers/media/video/cx18/cx18-audio.c index 6d5b94fc7..57beddf0a 100644 --- a/linux/drivers/media/video/cx18/cx18-audio.c +++ b/linux/drivers/media/video/cx18/cx18-audio.c @@ -22,6 +22,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-i2c.h" #include "cx18-cards.h" #include "cx18-audio.h" @@ -60,10 +61,10 @@ int cx18_audio_set_io(struct cx18 *cx) if (err) return err; - val = read_reg(CX18_AUDIO_ENABLE) & ~0x30; + val = cx18_read_reg(cx, CX18_AUDIO_ENABLE) & ~0x30; val |= (audio_input > CX18_AV_AUDIO_SERIAL2) ? 0x20 : (audio_input << 4); - write_reg(val | 0xb00, CX18_AUDIO_ENABLE); + cx18_write_reg(cx, val | 0xb00, CX18_AUDIO_ENABLE); cx18_vapi(cx, CX18_APU_RESETAI, 1, 0); return 0; } diff --git a/linux/drivers/media/video/cx18/cx18-av-audio.c b/linux/drivers/media/video/cx18/cx18-av-audio.c index c40a286de..0b5583788 100644 --- a/linux/drivers/media/video/cx18/cx18-av-audio.c +++ b/linux/drivers/media/video/cx18/cx18-av-audio.c @@ -30,7 +30,6 @@ static int set_audclk_freq(struct cx18 *cx, u32 freq) if (freq != 32000 && freq != 44100 && freq != 48000) return -EINVAL; - /* common for all inputs and rates */ /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x10 */ cx18_av_write(cx, 0x127, 0x50); @@ -38,15 +37,30 @@ static int set_audclk_freq(struct cx18 *cx, u32 freq) switch (freq) { case 32000: /* VID_PLL and AUX_PLL */ - cx18_av_write4(cx, 0x108, 0x1006040f); + cx18_av_write4(cx, 0x108, 0x1408040f); /* AUX_PLL_FRAC */ - cx18_av_write4(cx, 0x110, 0x01bb39ee); + /* 0x8.9504318a * 28,636,363.636 / 0x14 = 32000 * 384 */ + cx18_av_write4(cx, 0x110, 0x012a0863); - /* src3/4/6_ctl = 0x0801f77f */ + /* src3/4/6_ctl */ + /* 0x1.f77f = (4 * 15734.26) / 32000 */ cx18_av_write4(cx, 0x900, 0x0801f77f); cx18_av_write4(cx, 0x904, 0x0801f77f); cx18_av_write4(cx, 0x90c, 0x0801f77f); + + /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x14 */ + cx18_av_write(cx, 0x127, 0x54); + + /* AUD_COUNT = 0x2fff = 8 samples * 4 * 384 - 1 */ + cx18_av_write4(cx, 0x12c, 0x11202fff); + + /* + * EN_AV_LOCK = 1 + * VID_COUNT = 0x0d2ef8 = 107999.000 * 8 = + * ((8 samples/32,000) * (13,500,000 * 8) * 4 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa10d2ef8); break; case 44100: @@ -54,12 +68,24 @@ static int set_audclk_freq(struct cx18 *cx, u32 freq) cx18_av_write4(cx, 0x108, 0x1009040f); /* AUX_PLL_FRAC */ - cx18_av_write4(cx, 0x110, 0x00ec6bd6); + /* 0x9.7635e7 * 28,636,363.63 / 0x10 = 44100 * 384 */ + cx18_av_write4(cx, 0x110, 0x00ec6bce); - /* src3/4/6_ctl = 0x08016d59 */ + /* src3/4/6_ctl */ + /* 0x1.6d59 = (4 * 15734.26) / 44100 */ cx18_av_write4(cx, 0x900, 0x08016d59); cx18_av_write4(cx, 0x904, 0x08016d59); cx18_av_write4(cx, 0x90c, 0x08016d59); + + /* AUD_COUNT = 0x92ff = 49 samples * 2 * 384 - 1 */ + cx18_av_write4(cx, 0x12c, 0x112092ff); + + /* + * EN_AV_LOCK = 1 + * VID_COUNT = 0x1d4bf8 = 239999.000 * 8 = + * ((49 samples/44,100) * (13,500,000 * 8) * 2 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa11d4bf8); break; case 48000: @@ -67,12 +93,24 @@ static int set_audclk_freq(struct cx18 *cx, u32 freq) cx18_av_write4(cx, 0x108, 0x100a040f); /* AUX_PLL_FRAC */ - cx18_av_write4(cx, 0x110, 0x0098d6e5); + /* 0xa.4c6b6ea * 28,636,363.63 / 0x10 = 48000 * 384 */ + cx18_av_write4(cx, 0x110, 0x0098d6dd); - /* src3/4/6_ctl = 0x08014faa */ + /* src3/4/6_ctl */ + /* 0x1.4faa = (4 * 15734.26) / 48000 */ cx18_av_write4(cx, 0x900, 0x08014faa); cx18_av_write4(cx, 0x904, 0x08014faa); cx18_av_write4(cx, 0x90c, 0x08014faa); + + /* AUD_COUNT = 0x5fff = 4 samples * 16 * 384 - 1 */ + cx18_av_write4(cx, 0x12c, 0x11205fff); + + /* + * EN_AV_LOCK = 1 + * VID_COUNT = 0x1193f8 = 143999.000 * 8 = + * ((4 samples/48,000) * (13,500,000 * 8) * 16 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa11193f8); break; } } else { @@ -82,18 +120,31 @@ static int set_audclk_freq(struct cx18 *cx, u32 freq) cx18_av_write4(cx, 0x108, 0x1e08040f); /* AUX_PLL_FRAC */ - cx18_av_write4(cx, 0x110, 0x012a0869); + /* 0x8.9504318 * 28,636,363.63 / 0x1e = 32000 * 256 */ + cx18_av_write4(cx, 0x110, 0x012a0863); - /* src1_ctl = 0x08010000 */ + /* src1_ctl */ + /* 0x1.0000 = 32000/32000 */ cx18_av_write4(cx, 0x8f8, 0x08010000); - /* src3/4/6_ctl = 0x08020000 */ + /* src3/4/6_ctl */ + /* 0x2.0000 = 2 * (32000/32000) */ cx18_av_write4(cx, 0x900, 0x08020000); cx18_av_write4(cx, 0x904, 0x08020000); cx18_av_write4(cx, 0x90c, 0x08020000); /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x14 */ cx18_av_write(cx, 0x127, 0x54); + + /* AUD_COUNT = 0x1fff = 8 samples * 4 * 256 - 1 */ + cx18_av_write4(cx, 0x12c, 0x11201fff); + + /* + * EN_AV_LOCK = 1 + * VID_COUNT = 0x0d2ef8 = 107999.000 * 8 = + * ((8 samples/32,000) * (13,500,000 * 8) * 4 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa10d2ef8); break; case 44100: @@ -101,15 +152,28 @@ static int set_audclk_freq(struct cx18 *cx, u32 freq) cx18_av_write4(cx, 0x108, 0x1809040f); /* AUX_PLL_FRAC */ - cx18_av_write4(cx, 0x110, 0x00ec6bd6); + /* 0x9.7635e74 * 28,636,363.63 / 0x18 = 44100 * 256 */ + cx18_av_write4(cx, 0x110, 0x00ec6bce); - /* src1_ctl = 0x08010000 */ + /* src1_ctl */ + /* 0x1.60cd = 44100/32000 */ cx18_av_write4(cx, 0x8f8, 0x080160cd); - /* src3/4/6_ctl = 0x08020000 */ + /* src3/4/6_ctl */ + /* 0x1.7385 = 2 * (32000/44100) */ cx18_av_write4(cx, 0x900, 0x08017385); cx18_av_write4(cx, 0x904, 0x08017385); cx18_av_write4(cx, 0x90c, 0x08017385); + + /* AUD_COUNT = 0x61ff = 49 samples * 2 * 256 - 1 */ + cx18_av_write4(cx, 0x12c, 0x112061ff); + + /* + * EN_AV_LOCK = 1 + * VID_COUNT = 0x1d4bf8 = 239999.000 * 8 = + * ((49 samples/44,100) * (13,500,000 * 8) * 2 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa11d4bf8); break; case 48000: @@ -117,15 +181,28 @@ static int set_audclk_freq(struct cx18 *cx, u32 freq) cx18_av_write4(cx, 0x108, 0x180a040f); /* AUX_PLL_FRAC */ - cx18_av_write4(cx, 0x110, 0x0098d6e5); + /* 0xa.4c6b6ea * 28,636,363.63 / 0x18 = 48000 * 256 */ + cx18_av_write4(cx, 0x110, 0x0098d6dd); - /* src1_ctl = 0x08010000 */ + /* src1_ctl */ + /* 0x1.8000 = 48000/32000 */ cx18_av_write4(cx, 0x8f8, 0x08018000); - /* src3/4/6_ctl = 0x08020000 */ + /* src3/4/6_ctl */ + /* 0x1.5555 = 2 * (32000/48000) */ cx18_av_write4(cx, 0x900, 0x08015555); cx18_av_write4(cx, 0x904, 0x08015555); cx18_av_write4(cx, 0x90c, 0x08015555); + + /* AUD_COUNT = 0x3fff = 4 samples * 16 * 256 - 1 */ + cx18_av_write4(cx, 0x12c, 0x11203fff); + + /* + * EN_AV_LOCK = 1 + * VID_COUNT = 0x1193f8 = 143999.000 * 8 = + * ((4 samples/48,000) * (13,500,000 * 8) * 16 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa11193f8); break; } } diff --git a/linux/drivers/media/video/cx18/cx18-av-core.c b/linux/drivers/media/video/cx18/cx18-av-core.c index 3b0a2c450..d8626e354 100644 --- a/linux/drivers/media/video/cx18/cx18-av-core.c +++ b/linux/drivers/media/video/cx18/cx18-av-core.c @@ -22,27 +22,29 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" int cx18_av_write(struct cx18 *cx, u16 addr, u8 value) { - u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3)); + u32 reg = 0xc40000 + (addr & ~3); u32 mask = 0xff; int shift = (addr & 3) * 8; + u32 x = cx18_read_reg(cx, reg); x = (x & ~(mask << shift)) | ((u32)value << shift); - writel(x, cx->reg_mem + 0xc40000 + (addr & ~3)); + cx18_write_reg(cx, x, reg); return 0; } int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value) { - writel(value, cx->reg_mem + 0xc40000 + addr); + cx18_write_reg(cx, value, 0xc40000 + addr); return 0; } u8 cx18_av_read(struct cx18 *cx, u16 addr) { - u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3)); + u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3)); int shift = (addr & 3) * 8; return (x >> shift) & 0xff; @@ -50,7 +52,7 @@ u8 cx18_av_read(struct cx18 *cx, u16 addr) u32 cx18_av_read4(struct cx18 *cx, u16 addr) { - return readl(cx->reg_mem + 0xc40000 + addr); + return cx18_read_reg(cx, 0xc40000 + addr); } int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask, diff --git a/linux/drivers/media/video/cx18/cx18-av-firmware.c b/linux/drivers/media/video/cx18/cx18-av-firmware.c index 834b92482..0488b6297 100644 --- a/linux/drivers/media/video/cx18/cx18-av-firmware.c +++ b/linux/drivers/media/video/cx18/cx18-av-firmware.c @@ -20,6 +20,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include <linux/firmware.h> #define CX18_AUDIO_ENABLE 0xc72014 @@ -32,7 +33,7 @@ int cx18_av_loadfw(struct cx18 *cx) u32 v; const u8 *ptr; int i; - int retries = 0; + int retries1 = 0; if (request_firmware(&fw, FWFILE, &cx->dev->dev) != 0) { CX18_ERR("unable to open firmware %s\n", FWFILE); @@ -41,7 +42,7 @@ int cx18_av_loadfw(struct cx18 *cx) /* The firmware load often has byte errors, so allow for several retries, both at byte level and at the firmware load level. */ - while (retries < 5) { + while (retries1 < 5) { cx18_av_write4(cx, CXADEC_CHIP_CTRL, 0x00010000); cx18_av_write(cx, CXADEC_STD_DET_CTL, 0xf6); @@ -57,9 +58,9 @@ int cx18_av_loadfw(struct cx18 *cx) for (i = 0; i < size; i++) { u32 dl_control = 0x0F000000 | i | ((u32)ptr[i] << 16); u32 value = 0; - int retries; + int retries2; - for (retries = 0; retries < 5; retries++) { + for (retries2 = 0; retries2 < 5; retries2++) { cx18_av_write4(cx, CXADEC_DL_CTL, dl_control); udelay(10); value = cx18_av_read4(cx, CXADEC_DL_CTL); @@ -69,18 +70,18 @@ int cx18_av_loadfw(struct cx18 *cx) the address. We can only write the lower address byte of the address. */ if ((value & 0x3F00) != (dl_control & 0x3F00)) { - retries = 5; + retries2 = 5; break; } } - if (retries >= 5) + if (retries2 >= 5) break; } if (i == size) break; - retries++; + retries1++; } - if (retries >= 5) { + if (retries1 >= 5) { CX18_ERR("unable to load firmware %s\n", FWFILE); release_firmware(fw); return -EIO; @@ -119,10 +120,10 @@ int cx18_av_loadfw(struct cx18 *cx) have a name in the spec. */ cx18_av_write4(cx, 0x09CC, 1); - v = read_reg(CX18_AUDIO_ENABLE); - /* If bit 11 is 1 */ + v = cx18_read_reg(cx, CX18_AUDIO_ENABLE); + /* If bit 11 is 1, clear bit 10 */ if (v & 0x800) - write_reg(v & 0xFFFFFBFF, CX18_AUDIO_ENABLE); /* Clear bit 10 */ + cx18_write_reg(cx, v & 0xFFFFFBFF, CX18_AUDIO_ENABLE); /* Enable WW auto audio standard detection */ v = cx18_av_read4(cx, CXADEC_STD_DET_CTL); diff --git a/linux/drivers/media/video/cx18/cx18-cards.c b/linux/drivers/media/video/cx18/cx18-cards.c index 8fe5f38c4..3cb9734ec 100644 --- a/linux/drivers/media/video/cx18/cx18-cards.c +++ b/linux/drivers/media/video/cx18/cx18-cards.c @@ -163,7 +163,7 @@ static const struct cx18_card cx18_card_h900 = { }, .audio_inputs = { { CX18_CARD_INPUT_AUD_TUNER, - CX18_AV_AUDIO8, 0 }, + CX18_AV_AUDIO5, 0 }, { CX18_CARD_INPUT_LINE_IN1, CX18_AV_AUDIO_SERIAL1, 0 }, }, diff --git a/linux/drivers/media/video/cx18/cx18-driver.c b/linux/drivers/media/video/cx18/cx18-driver.c index 22434aadd..4de7b501f 100644 --- a/linux/drivers/media/video/cx18/cx18-driver.c +++ b/linux/drivers/media/video/cx18/cx18-driver.c @@ -4,6 +4,7 @@ * Derived from ivtv-driver.c * * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@radix.net> * * 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 @@ -22,6 +23,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-version.h" #include "cx18-cards.h" #include "cx18-i2c.h" @@ -73,10 +75,14 @@ static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }; - -static int cardtype_c = 1; -static int tuner_c = 1; -static int radio_c = 1; +static int mmio_ndelay[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1 }; +static unsigned cardtype_c = 1; +static unsigned tuner_c = 1; +static unsigned radio_c = 1; +static unsigned mmio_ndelay_c = 1; static char pal[] = "--"; static char secam[] = "--"; static char ntsc[] = "-"; @@ -95,6 +101,7 @@ int cx18_debug; module_param_array(tuner, int, &tuner_c, 0644); module_param_array(radio, bool, &radio_c, 0644); module_param_array(cardtype, int, &cardtype_c, 0644); +module_param_array(mmio_ndelay, int, &mmio_ndelay_c, 0644); module_param_string(pal, pal, sizeof(pal), 0644); module_param_string(secam, secam, sizeof(secam), 0644); module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); @@ -140,6 +147,11 @@ MODULE_PARM_DESC(debug, MODULE_PARM_DESC(cx18_pci_latency, "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n" "\t\t\tDefault: Yes"); +MODULE_PARM_DESC(mmio_ndelay, + "Delay (ns) for each CX23418 memory mapped IO access.\n" + "\t\t\tTry larger values that are close to a multiple of the\n" + "\t\t\tPCI clock period, 30.3 ns, if your card doesn't work.\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_MMIO_NDELAY)); MODULE_PARM_DESC(enc_mpg_buffers, "Encoder MPG Buffers (in MB)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS)); @@ -356,6 +368,11 @@ static void cx18_process_options(struct cx18 *cx) cx->options.tuner = tuner[cx->num]; cx->options.radio = radio[cx->num]; + if (mmio_ndelay[cx->num] < 0) + cx->options.mmio_ndelay = CX18_DEFAULT_MMIO_NDELAY; + else + cx->options.mmio_ndelay = mmio_ndelay[cx->num]; + cx->std = cx18_parse_std(cx); if (cx->options.cardtype == -1) { CX18_INFO("Ignore card\n"); @@ -395,9 +412,9 @@ done: if (cx->card == NULL) { cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); - CX18_ERR("Unknown card: vendor/device: %04x/%04x\n", + CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n", cx->dev->vendor, cx->dev->device); - CX18_ERR(" subsystem vendor/device: %04x/%04x\n", + CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n", cx->dev->subsystem_vendor, cx->dev->subsystem_device); CX18_ERR("Defaulting to %s card\n", cx->card->name); CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n"); @@ -511,9 +528,9 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev, return -EIO; } - /* Check for bus mastering */ + /* Enable bus mastering and memory mapped IO for the CX23418 */ pci_read_config_word(dev, PCI_COMMAND, &cmd); - cmd |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; + cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; pci_write_config_word(dev, PCI_COMMAND, cmd); pci_read_config_byte(dev, PCI_CLASS_REVISION, &cx->card_rev); @@ -525,11 +542,6 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev, pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64); pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency); } - /* This config space value relates to DMA latencies. The - default value 0x8080 is too low however and will lead - to DMA errors. 0xffff is the max value which solves - these problems. */ - pci_write_config_dword(dev, 0x40, 0xffff); CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, " "irq: %d, latency: %d, memory: 0x%lx\n", @@ -656,7 +668,7 @@ static int __devinit cx18_probe(struct pci_dev *dev, goto free_mem; } cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET; - devtype = read_reg(0xC72028); + devtype = cx18_read_reg(cx, 0xC72028); switch (devtype & 0xff000000) { case 0xff000000: CX18_INFO("cx23418 revision %08x (A)\n", devtype); @@ -902,8 +914,8 @@ static void cx18_remove(struct pci_dev *pci_dev) cx18_stop_all_captures(cx); /* Interrupts */ - sw1_irq_disable(IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); - sw2_irq_disable(IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); + cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); + cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); cx18_halt_firmware(cx); diff --git a/linux/drivers/media/video/cx18/cx18-driver.h b/linux/drivers/media/video/cx18/cx18-driver.h index 4801bc7fb..66cb74887 100644 --- a/linux/drivers/media/video/cx18/cx18-driver.h +++ b/linux/drivers/media/video/cx18/cx18-driver.h @@ -38,7 +38,6 @@ #include <linux/i2c-algo-bit.h> #include <linux/list.h> #include <linux/unistd.h> -#include <linux/byteorder/swab.h> #include <linux/pagemap.h> #include <linux/workqueue.h> #include <linux/mutex.h> @@ -64,6 +63,9 @@ # error "This driver requires kernel PCI support." #endif +/* Default delay to throttle mmio access to the CX23418 */ +#define CX18_DEFAULT_MMIO_NDELAY 0 /* 0 ns = 0 PCI clock(s) / 33 MHz */ + #define CX18_MEM_OFFSET 0x00000000 #define CX18_MEM_SIZE 0x04000000 #define CX18_REG_OFFSET 0x02000000 @@ -177,6 +179,7 @@ struct cx18_options { int cardtype; /* force card type on load */ int tuner; /* set tuner on load */ int radio; /* enable/disable radio */ + unsigned long mmio_ndelay; /* delay in ns after every PCI mmio access */ }; /* per-buffer bit flags */ @@ -216,8 +219,7 @@ struct cx18_buffer { struct cx18_queue { struct list_head list; - u32 buffers; - u32 length; + atomic_t buffers; u32 bytesused; }; @@ -237,6 +239,8 @@ struct cx18_dvb { struct cx18; /* forward reference */ struct cx18_scb; /* forward reference */ +#define CX18_INVALID_TASK_HANDLE 0xffffffff + struct cx18_stream { /* These first four fields are always set, even if the stream is not actually created. */ @@ -259,7 +263,6 @@ struct cx18_stream { /* Buffer Stats */ u32 buffers; u32 buf_size; - u32 buffers_stolen; /* Buffer Queues */ struct cx18_queue q_free; /* free buffers */ @@ -458,47 +461,4 @@ void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv); /* First-open initialization: load firmware, etc. */ int cx18_init_on_first_open(struct cx18 *cx); -/* This is a PCI post thing, where if the pci register is not read, then - the write doesn't always take effect right away. By reading back the - register any pending PCI writes will be performed (in order), and so - you can be sure that the writes are guaranteed to be done. - - Rarely needed, only in some timing sensitive cases. - Apparently if this is not done some motherboards seem - to kill the firmware and get into the broken state until computer is - rebooted. */ -#define write_sync(val, reg) \ - do { writel(val, reg); readl(reg); } while (0) - -#define read_reg(reg) readl(cx->reg_mem + (reg)) -#define write_reg(val, reg) writel(val, cx->reg_mem + (reg)) -#define write_reg_sync(val, reg) \ - do { write_reg(val, reg); read_reg(reg); } while (0) - -#define read_enc(addr) readl(cx->enc_mem + (u32)(addr)) -#define write_enc(val, addr) writel(val, cx->enc_mem + (u32)(addr)) -#define write_enc_sync(val, addr) \ - do { write_enc(val, addr); read_enc(addr); } while (0) - -#define sw1_irq_enable(val) do { \ - write_reg(val, SW1_INT_STATUS); \ - write_reg(read_reg(SW1_INT_ENABLE_PCI) | (val), SW1_INT_ENABLE_PCI); \ -} while (0) - -#define sw1_irq_disable(val) \ - write_reg(read_reg(SW1_INT_ENABLE_PCI) & ~(val), SW1_INT_ENABLE_PCI); - -#define sw2_irq_enable(val) do { \ - write_reg(val, SW2_INT_STATUS); \ - write_reg(read_reg(SW2_INT_ENABLE_PCI) | (val), SW2_INT_ENABLE_PCI); \ -} while (0) - -#define sw2_irq_disable(val) \ - write_reg(read_reg(SW2_INT_ENABLE_PCI) & ~(val), SW2_INT_ENABLE_PCI); - -#define setup_page(addr) do { \ - u32 val = read_reg(0xD000F8) & ~0x1f00; \ - write_reg(val | (((addr) >> 17) & 0x1f00), 0xD000F8); \ -} while (0) - #endif /* CX18_DRIVER_H */ diff --git a/linux/drivers/media/video/cx18/cx18-dvb.c b/linux/drivers/media/video/cx18/cx18-dvb.c index cae38985b..afc694e7b 100644 --- a/linux/drivers/media/video/cx18/cx18-dvb.c +++ b/linux/drivers/media/video/cx18/cx18-dvb.c @@ -1,7 +1,7 @@ /* * cx18 functions for DVB support * - * Copyright (c) 2008 Steven Toth <stoth@hauppauge.com> + * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> * * 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 @@ -21,6 +21,7 @@ #include "cx18-version.h" #include "cx18-dvb.h" +#include "cx18-io.h" #include "cx18-streams.h" #include "cx18-cards.h" #include "s5h1409.h" @@ -87,13 +88,13 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed) switch (cx->card->type) { case CX18_CARD_HVR_1600_ESMT: case CX18_CARD_HVR_1600_SAMSUNG: - v = read_reg(CX18_REG_DMUX_NUM_PORT_0_CONTROL); + v = cx18_read_reg(cx, CX18_REG_DMUX_NUM_PORT_0_CONTROL); v |= 0x00400000; /* Serial Mode */ v |= 0x00002000; /* Data Length - Byte */ v |= 0x00010000; /* Error - Polarity */ v |= 0x00020000; /* Error - Passthru */ v |= 0x000c0000; /* Error - Ignore */ - write_reg(v, CX18_REG_DMUX_NUM_PORT_0_CONTROL); + cx18_write_reg(cx, v, CX18_REG_DMUX_NUM_PORT_0_CONTROL); break; default: diff --git a/linux/drivers/media/video/cx18/cx18-dvb.h b/linux/drivers/media/video/cx18/cx18-dvb.h index d6a6ccda7..bf8d8f6f5 100644 --- a/linux/drivers/media/video/cx18/cx18-dvb.h +++ b/linux/drivers/media/video/cx18/cx18-dvb.h @@ -1,7 +1,7 @@ /* * cx18 functions for DVB support * - * Copyright (c) 2008 Steven Toth <stoth@hauppauge.com> + * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> * * 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 diff --git a/linux/drivers/media/video/cx18/cx18-fileops.c b/linux/drivers/media/video/cx18/cx18-fileops.c index 12f9de74d..e884271b8 100644 --- a/linux/drivers/media/video/cx18/cx18-fileops.c +++ b/linux/drivers/media/video/cx18/cx18-fileops.c @@ -132,6 +132,7 @@ static void cx18_dualwatch(struct cx18 *cx) u16 new_stereo_mode; const u16 stereo_mask = 0x0300; const u16 dual = 0x0200; + u32 h; new_stereo_mode = cx->params.audio_properties & stereo_mask; memset(&vt, 0, sizeof(vt)); @@ -143,13 +144,21 @@ static void cx18_dualwatch(struct cx18 *cx) if (new_stereo_mode == cx->dualwatch_stereo_mode) return; - new_bitmap = new_stereo_mode | (cx->params.audio_properties & ~stereo_mask); + new_bitmap = new_stereo_mode + | (cx->params.audio_properties & ~stereo_mask); - CX18_DEBUG_INFO("dualwatch: change stereo flag from 0x%x to 0x%x. new audio_bitmask=0x%ux\n", - cx->dualwatch_stereo_mode, new_stereo_mode, new_bitmap); + CX18_DEBUG_INFO("dualwatch: change stereo flag from 0x%x to 0x%x. " + "new audio_bitmask=0x%ux\n", + cx->dualwatch_stereo_mode, new_stereo_mode, new_bitmap); - if (cx18_vapi(cx, CX18_CPU_SET_AUDIO_PARAMETERS, 2, - cx18_find_handle(cx), new_bitmap) == 0) { + h = cx18_find_handle(cx); + if (h == CX18_INVALID_TASK_HANDLE) { + CX18_DEBUG_INFO("dualwatch: can't find valid task handle\n"); + return; + } + + if (cx18_vapi(cx, + CX18_CPU_SET_AUDIO_PARAMETERS, 2, h, new_bitmap) == 0) { cx->dualwatch_stereo_mode = new_stereo_mode; return; } @@ -159,7 +168,8 @@ static void cx18_dualwatch(struct cx18 *cx) #if 0 static void cx18_update_pgm_info(struct cx18 *cx) { - u32 wr_idx = (read_enc(cx->pgm_info_offset) - cx->pgm_info_offset - 4) / 24; + u32 wr_idx = (cx18_read_enc(cx, cx->pgm_info_offset) + - cx->pgm_info_offset - 4) / 24; int cnt; int i = 0; @@ -174,13 +184,15 @@ static void cx18_update_pgm_info(struct cx18 *cx) u32 addr = cx->pgm_info_offset + 4 + idx * 24; const int mapping[] = { V4L2_ENC_IDX_FRAME_P, V4L2_ENC_IDX_FRAME_I, V4L2_ENC_IDX_FRAME_B, 0 }; - e->offset = read_enc(addr + 4) + ((u64)read_enc(addr + 8) << 32); + e->offset = cx18_read_enc(cx, addr + 4) + + ((u64)cx18_read_enc(cx, addr + 8) << 32); if (e->offset > cx->mpg_data_received) break; e->offset += cx->vbi_data_inserted; - e->length = read_enc(addr); - e->pts = read_enc(addr + 16) + ((u64)(read_enc(addr + 20) & 1) << 32); - e->flags = mapping[read_enc(addr + 12) & 3]; + e->length = cx18_read_enc(cx, addr); + e->pts = cx18_read_enc(cx, addr + 16) + + ((u64)(cx18_read_enc(cx, addr + 20) & 1) << 32); + e->flags = mapping[cx18_read_enc(cx, addr + 12) & 3]; i++; } cx->pgm_info_write_idx = (cx->pgm_info_write_idx + i) % cx->pgm_info_num; @@ -258,7 +270,7 @@ static struct cx18_buffer *cx18_get_buffer(struct cx18_stream *s, int non_block, prepare_to_wait(&s->waitq, &wait, TASK_INTERRUPTIBLE); /* New buffers might have become available before we were added to the waitqueue */ - if (!s->q_full.buffers) + if (!atomic_read(&s->q_full.buffers)) schedule(); finish_wait(&s->waitq, &wait); if (signal_pending(current)) { @@ -544,7 +556,7 @@ unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait) CX18_DEBUG_HI_FILE("Encoder poll\n"); poll_wait(filp, &s->waitq, wait); - if (s->q_full.length || s->q_io.length) + if (atomic_read(&s->q_full.buffers) || atomic_read(&s->q_io.buffers)) return POLLIN | POLLRDNORM; if (eof) return POLLHUP; @@ -730,20 +742,28 @@ int cx18_v4l2_open(struct inode *inode, struct file *filp) void cx18_mute(struct cx18 *cx) { - if (atomic_read(&cx->ana_capturing)) - cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, - cx18_find_handle(cx), 1); + u32 h; + if (atomic_read(&cx->ana_capturing)) { + h = cx18_find_handle(cx); + if (h != CX18_INVALID_TASK_HANDLE) + cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, h, 1); + else + CX18_ERR("Can't find valid task handle for mute\n"); + } CX18_DEBUG_INFO("Mute\n"); } void cx18_unmute(struct cx18 *cx) { + u32 h; if (atomic_read(&cx->ana_capturing)) { - cx18_msleep_timeout(100, 0); - cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, - cx18_find_handle(cx), 12); - cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, - cx18_find_handle(cx), 0); + h = cx18_find_handle(cx); + if (h != CX18_INVALID_TASK_HANDLE) { + cx18_msleep_timeout(100, 0); + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, h, 12); + cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, h, 0); + } else + CX18_ERR("Can't find valid task handle for unmute\n"); } CX18_DEBUG_INFO("Unmute\n"); } diff --git a/linux/drivers/media/video/cx18/cx18-firmware.c b/linux/drivers/media/video/cx18/cx18-firmware.c index 78fadd2ad..51534428c 100644 --- a/linux/drivers/media/video/cx18/cx18-firmware.c +++ b/linux/drivers/media/video/cx18/cx18-firmware.c @@ -20,6 +20,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-scb.h" #include "cx18-irq.h" #include "cx18-firmware.h" @@ -113,11 +114,11 @@ static int load_cpu_fw_direct(const char *fn, u8 __iomem *mem, struct cx18 *cx) src = (const u32 *)fw->data; for (i = 0; i < fw->size; i += 4096) { - setup_page(i); + cx18_setup_page(cx, i); for (j = i; j < fw->size && j < i + 4096; j += 4) { /* no need for endianness conversion on the ppc */ - __raw_writel(*src, dst); - if (__raw_readl(dst) != *src) { + cx18_raw_writel(cx, *src, dst); + if (cx18_raw_readl(cx, dst) != *src) { CX18_ERR("Mismatch at offset %x\n", i); release_firmware(fw); return -EIO; @@ -170,12 +171,15 @@ static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx) if (offset + seghdr.size > sz) break; for (i = 0; i < seghdr.size; i += 4096) { - setup_page(offset + i); + cx18_setup_page(cx, offset + i); for (j = i; j < seghdr.size && j < i + 4096; j += 4) { /* no need for endianness conversion on the ppc */ - __raw_writel(src[(offset + j) / 4], dst + seghdr.addr + j); - if (__raw_readl(dst + seghdr.addr + j) != src[(offset + j) / 4]) { - CX18_ERR("Mismatch at offset %x\n", offset + j); + cx18_raw_writel(cx, src[(offset + j) / 4], + dst + seghdr.addr + j); + if (cx18_raw_readl(cx, dst + seghdr.addr + j) + != src[(offset + j) / 4]) { + CX18_ERR("Mismatch at offset %x\n", + offset + j); release_firmware(fw); return -EIO; } @@ -189,43 +193,45 @@ static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx) size = fw->size; release_firmware(fw); /* Clear bit0 for APU to start from 0 */ - write_reg(read_reg(0xc72030) & ~1, 0xc72030); + cx18_write_reg(cx, cx18_read_reg(cx, 0xc72030) & ~1, 0xc72030); return size; } void cx18_halt_firmware(struct cx18 *cx) { CX18_DEBUG_INFO("Preparing for firmware halt.\n"); - write_reg(0x000F000F, CX18_PROC_SOFT_RESET); /* stop the fw */ - write_reg(0x00020002, CX18_ADEC_CONTROL); + cx18_write_reg(cx, 0x000F000F, CX18_PROC_SOFT_RESET); /* stop the fw */ + cx18_write_reg(cx, 0x00020002, CX18_ADEC_CONTROL); } void cx18_init_power(struct cx18 *cx, int lowpwr) { /* power-down Spare and AOM PLLs */ /* power-up fast, slow and mpeg PLLs */ - write_reg(0x00000008, CX18_PLL_POWER_DOWN); + cx18_write_reg(cx, 0x00000008, CX18_PLL_POWER_DOWN); /* ADEC out of sleep */ - write_reg(0x00020000, CX18_ADEC_CONTROL); + cx18_write_reg(cx, 0x00020000, CX18_ADEC_CONTROL); /* The fast clock is at 200/245 MHz */ - write_reg(lowpwr ? 0xD : 0x11, CX18_FAST_CLOCK_PLL_INT); - write_reg(lowpwr ? 0x1EFBF37 : 0x038E3D7, CX18_FAST_CLOCK_PLL_FRAC); + cx18_write_reg(cx, lowpwr ? 0xD : 0x11, CX18_FAST_CLOCK_PLL_INT); + cx18_write_reg(cx, lowpwr ? 0x1EFBF37 : 0x038E3D7, + CX18_FAST_CLOCK_PLL_FRAC); - write_reg(2, CX18_FAST_CLOCK_PLL_POST); - write_reg(1, CX18_FAST_CLOCK_PLL_PRESCALE); - write_reg(4, CX18_FAST_CLOCK_PLL_ADJUST_BANDWIDTH); + cx18_write_reg(cx, 2, CX18_FAST_CLOCK_PLL_POST); + cx18_write_reg(cx, 1, CX18_FAST_CLOCK_PLL_PRESCALE); + cx18_write_reg(cx, 4, CX18_FAST_CLOCK_PLL_ADJUST_BANDWIDTH); /* set slow clock to 125/120 MHz */ - write_reg(lowpwr ? 0x11 : 0x10, CX18_SLOW_CLOCK_PLL_INT); - write_reg(lowpwr ? 0xEBAF05 : 0x18618A8, CX18_SLOW_CLOCK_PLL_FRAC); - write_reg(4, CX18_SLOW_CLOCK_PLL_POST); + cx18_write_reg(cx, lowpwr ? 0x11 : 0x10, CX18_SLOW_CLOCK_PLL_INT); + cx18_write_reg(cx, lowpwr ? 0xEBAF05 : 0x18618A8, + CX18_SLOW_CLOCK_PLL_FRAC); + cx18_write_reg(cx, 4, CX18_SLOW_CLOCK_PLL_POST); /* mpeg clock pll 54MHz */ - write_reg(0xF, CX18_MPEG_CLOCK_PLL_INT); - write_reg(0x2BCFEF, CX18_MPEG_CLOCK_PLL_FRAC); - write_reg(8, CX18_MPEG_CLOCK_PLL_POST); + cx18_write_reg(cx, 0xF, CX18_MPEG_CLOCK_PLL_INT); + cx18_write_reg(cx, 0x2BCFEF, CX18_MPEG_CLOCK_PLL_FRAC); + cx18_write_reg(cx, 8, CX18_MPEG_CLOCK_PLL_POST); /* Defaults */ /* APU = SC or SC/2 = 125/62.5 */ @@ -242,81 +248,84 @@ void cx18_init_power(struct cx18 *cx, int lowpwr) /* VFC = disabled */ /* USB = disabled */ - write_reg(lowpwr ? 0xFFFF0020 : 0x00060004, CX18_CLOCK_SELECT1); - write_reg(lowpwr ? 0xFFFF0004 : 0x00060006, CX18_CLOCK_SELECT2); + cx18_write_reg(cx, lowpwr ? 0xFFFF0020 : 0x00060004, + CX18_CLOCK_SELECT1); + cx18_write_reg(cx, lowpwr ? 0xFFFF0004 : 0x00060006, + CX18_CLOCK_SELECT2); - write_reg(0xFFFF0002, CX18_HALF_CLOCK_SELECT1); - write_reg(0xFFFF0104, CX18_HALF_CLOCK_SELECT2); + cx18_write_reg(cx, 0xFFFF0002, CX18_HALF_CLOCK_SELECT1); + cx18_write_reg(cx, 0xFFFF0104, CX18_HALF_CLOCK_SELECT2); - write_reg(0xFFFF9026, CX18_CLOCK_ENABLE1); - write_reg(0xFFFF3105, CX18_CLOCK_ENABLE2); + cx18_write_reg(cx, 0xFFFF9026, CX18_CLOCK_ENABLE1); + cx18_write_reg(cx, 0xFFFF3105, CX18_CLOCK_ENABLE2); } void cx18_init_memory(struct cx18 *cx) { cx18_msleep_timeout(10, 0); - write_reg(0x10000, CX18_DDR_SOFT_RESET); + cx18_write_reg(cx, 0x10000, CX18_DDR_SOFT_RESET); cx18_msleep_timeout(10, 0); - write_reg(cx->card->ddr.chip_config, CX18_DDR_CHIP_CONFIG); + cx18_write_reg(cx, cx->card->ddr.chip_config, CX18_DDR_CHIP_CONFIG); cx18_msleep_timeout(10, 0); - write_reg(cx->card->ddr.refresh, CX18_DDR_REFRESH); - write_reg(cx->card->ddr.timing1, CX18_DDR_TIMING1); - write_reg(cx->card->ddr.timing2, CX18_DDR_TIMING2); + cx18_write_reg(cx, cx->card->ddr.refresh, CX18_DDR_REFRESH); + cx18_write_reg(cx, cx->card->ddr.timing1, CX18_DDR_TIMING1); + cx18_write_reg(cx, cx->card->ddr.timing2, CX18_DDR_TIMING2); cx18_msleep_timeout(10, 0); /* Initialize DQS pad time */ - write_reg(cx->card->ddr.tune_lane, CX18_DDR_TUNE_LANE); - write_reg(cx->card->ddr.initial_emrs, CX18_DDR_INITIAL_EMRS); + cx18_write_reg(cx, cx->card->ddr.tune_lane, CX18_DDR_TUNE_LANE); + cx18_write_reg(cx, cx->card->ddr.initial_emrs, CX18_DDR_INITIAL_EMRS); cx18_msleep_timeout(10, 0); - write_reg(0x20000, CX18_DDR_SOFT_RESET); + cx18_write_reg(cx, 0x20000, CX18_DDR_SOFT_RESET); cx18_msleep_timeout(10, 0); /* use power-down mode when idle */ - write_reg(0x00000010, CX18_DDR_POWER_REG); - - write_reg(0x10001, CX18_REG_BUS_TIMEOUT_EN); - - write_reg(0x48, CX18_DDR_MB_PER_ROW_7); - write_reg(0xE0000, CX18_DDR_BASE_63_ADDR); - - write_reg(0x00000101, CX18_WMB_CLIENT02); /* AO */ - write_reg(0x00000101, CX18_WMB_CLIENT09); /* AI2 */ - write_reg(0x00000101, CX18_WMB_CLIENT05); /* VIM1 */ - write_reg(0x00000101, CX18_WMB_CLIENT06); /* AI1 */ - write_reg(0x00000101, CX18_WMB_CLIENT07); /* 3D comb */ - write_reg(0x00000101, CX18_WMB_CLIENT10); /* ME */ - write_reg(0x00000101, CX18_WMB_CLIENT12); /* ENC */ - write_reg(0x00000101, CX18_WMB_CLIENT13); /* PK */ - write_reg(0x00000101, CX18_WMB_CLIENT11); /* RC */ - write_reg(0x00000101, CX18_WMB_CLIENT14); /* AVO */ + cx18_write_reg(cx, 0x00000010, CX18_DDR_POWER_REG); + + cx18_write_reg(cx, 0x10001, CX18_REG_BUS_TIMEOUT_EN); + + cx18_write_reg(cx, 0x48, CX18_DDR_MB_PER_ROW_7); + cx18_write_reg(cx, 0xE0000, CX18_DDR_BASE_63_ADDR); + + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT02); /* AO */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT09); /* AI2 */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT05); /* VIM1 */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT06); /* AI1 */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT07); /* 3D comb */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT10); /* ME */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT12); /* ENC */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT13); /* PK */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT11); /* RC */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT14); /* AVO */ } int cx18_firmware_init(struct cx18 *cx) { /* Allow chip to control CLKRUN */ - write_reg(0x5, CX18_DSP0_INTERRUPT_MASK); + cx18_write_reg(cx, 0x5, CX18_DSP0_INTERRUPT_MASK); - write_reg(0x000F000F, CX18_PROC_SOFT_RESET); /* stop the fw */ + cx18_write_reg(cx, 0x000F000F, CX18_PROC_SOFT_RESET); /* stop the fw */ cx18_msleep_timeout(1, 0); - sw1_irq_enable(IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); - sw2_irq_enable(IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); + cx18_sw1_irq_enable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); + cx18_sw2_irq_enable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); /* Only if the processor is not running */ - if (read_reg(CX18_PROC_SOFT_RESET) & 8) { + if (cx18_read_reg(cx, CX18_PROC_SOFT_RESET) & 8) { int sz = load_apu_fw_direct("v4l-cx23418-apu.fw", cx->enc_mem, cx); - write_enc(0xE51FF004, 0); - write_enc(0xa00000, 4); /* todo: not hardcoded */ - write_reg(0x00010000, CX18_PROC_SOFT_RESET); /* Start APU */ + cx18_write_enc(cx, 0xE51FF004, 0); + cx18_write_enc(cx, 0xa00000, 4); /* todo: not hardcoded */ + /* Start APU */ + cx18_write_reg(cx, 0x00010000, CX18_PROC_SOFT_RESET); cx18_msleep_timeout(500, 0); sz = sz <= 0 ? sz : load_cpu_fw_direct("v4l-cx23418-cpu.fw", @@ -326,9 +335,10 @@ int cx18_firmware_init(struct cx18 *cx) int retries = 0; /* start the CPU */ - write_reg(0x00080000, CX18_PROC_SOFT_RESET); + cx18_write_reg(cx, 0x00080000, CX18_PROC_SOFT_RESET); while (retries++ < 50) { /* Loop for max 500mS */ - if ((read_reg(CX18_PROC_SOFT_RESET) & 1) == 0) + if ((cx18_read_reg(cx, CX18_PROC_SOFT_RESET) + & 1) == 0) break; cx18_msleep_timeout(10, 0); } @@ -342,6 +352,6 @@ int cx18_firmware_init(struct cx18 *cx) return -EIO; } /* initialize GPIO */ - write_reg(0x14001400, 0xC78110); + cx18_write_reg(cx, 0x14001400, 0xC78110); return 0; } diff --git a/linux/drivers/media/video/cx18/cx18-gpio.c b/linux/drivers/media/video/cx18/cx18-gpio.c index 3d495dba4..3bdffbf7a 100644 --- a/linux/drivers/media/video/cx18/cx18-gpio.c +++ b/linux/drivers/media/video/cx18/cx18-gpio.c @@ -22,6 +22,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-cards.h" #include "cx18-gpio.h" #include "tuner-xc2028.h" @@ -49,11 +50,11 @@ static void gpio_write(struct cx18 *cx) u32 dir = cx->gpio_dir; u32 val = cx->gpio_val; - write_reg((dir & 0xffff) << 16, CX18_REG_GPIO_DIR1); - write_reg(((dir & 0xffff) << 16) | (val & 0xffff), + cx18_write_reg(cx, (dir & 0xffff) << 16, CX18_REG_GPIO_DIR1); + cx18_write_reg(cx, ((dir & 0xffff) << 16) | (val & 0xffff), CX18_REG_GPIO_OUT1); - write_reg(dir & 0xffff0000, CX18_REG_GPIO_DIR2); - write_reg_sync((dir & 0xffff0000) | ((val & 0xffff0000) >> 16), + cx18_write_reg(cx, dir & 0xffff0000, CX18_REG_GPIO_DIR2); + cx18_write_reg_sync(cx, (dir & 0xffff0000) | ((val & 0xffff0000) >> 16), CX18_REG_GPIO_OUT2); } @@ -141,8 +142,10 @@ void cx18_gpio_init(struct cx18 *cx) } CX18_DEBUG_INFO("GPIO initial dir: %08x/%08x out: %08x/%08x\n", - read_reg(CX18_REG_GPIO_DIR1), read_reg(CX18_REG_GPIO_DIR2), - read_reg(CX18_REG_GPIO_OUT1), read_reg(CX18_REG_GPIO_OUT2)); + cx18_read_reg(cx, CX18_REG_GPIO_DIR1), + cx18_read_reg(cx, CX18_REG_GPIO_DIR2), + cx18_read_reg(cx, CX18_REG_GPIO_OUT1), + cx18_read_reg(cx, CX18_REG_GPIO_OUT2)); gpio_write(cx); mutex_unlock(&cx->gpio_lock); diff --git a/linux/drivers/media/video/cx18/cx18-i2c.c b/linux/drivers/media/video/cx18/cx18-i2c.c index 64a259405..f28a1ff2e 100644 --- a/linux/drivers/media/video/cx18/cx18-i2c.c +++ b/linux/drivers/media/video/cx18/cx18-i2c.c @@ -22,13 +22,12 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-cards.h" #include "cx18-gpio.h" #include "cx18-av-core.h" #include "cx18-i2c.h" -#include <media/ir-kbd-i2c.h> - #define CX18_REG_I2C_1_WR 0xf15000 #define CX18_REG_I2C_1_RD 0xf15008 #define CX18_REG_I2C_2_WR 0xf25100 @@ -181,12 +180,12 @@ static void cx18_setscl(void *data, int state) struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR; - u32 r = read_reg(addr); + u32 r = cx18_read_reg(cx, addr); if (state) - write_reg_sync(r | SETSCL_BIT, addr); + cx18_write_reg_sync(cx, r | SETSCL_BIT, addr); else - write_reg_sync(r & ~SETSCL_BIT, addr); + cx18_write_reg_sync(cx, r & ~SETSCL_BIT, addr); } static void cx18_setsda(void *data, int state) @@ -194,12 +193,12 @@ static void cx18_setsda(void *data, int state) struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR; - u32 r = read_reg(addr); + u32 r = cx18_read_reg(cx, addr); if (state) - write_reg_sync(r | SETSDL_BIT, addr); + cx18_write_reg_sync(cx, r | SETSDL_BIT, addr); else - write_reg_sync(r & ~SETSDL_BIT, addr); + cx18_write_reg_sync(cx, r & ~SETSDL_BIT, addr); } static int cx18_getscl(void *data) @@ -208,7 +207,7 @@ static int cx18_getscl(void *data) int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_RD : CX18_REG_I2C_1_RD; - return read_reg(addr) & GETSCL_BIT; + return cx18_read_reg(cx, addr) & GETSCL_BIT; } static int cx18_getsda(void *data) @@ -217,7 +216,7 @@ static int cx18_getsda(void *data) int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_RD : CX18_REG_I2C_1_RD; - return read_reg(addr) & GETSDL_BIT; + return cx18_read_reg(cx, addr) & GETSDL_BIT; } /* template for i2c-bit-algo */ @@ -422,29 +421,33 @@ int init_cx18_i2c(struct cx18 *cx) #endif } - if (read_reg(CX18_REG_I2C_2_WR) != 0x0003c02f) { + if (cx18_read_reg(cx, CX18_REG_I2C_2_WR) != 0x0003c02f) { /* Reset/Unreset I2C hardware block */ - write_reg(0x10000000, 0xc71004); /* Clock select 220MHz */ - write_reg_sync(0x10001000, 0xc71024); /* Clock Enable */ + /* Clock select 220MHz */ + cx18_write_reg(cx, 0x10000000, 0xc71004); + /* Clock Enable */ + cx18_write_reg_sync(cx, 0x10001000, 0xc71024); } /* courtesy of Steven Toth <stoth@hauppauge.com> */ - write_reg_sync(0x00c00000, 0xc7001c); + cx18_write_reg_sync(cx, 0x00c00000, 0xc7001c); mdelay(10); - write_reg_sync(0x00c000c0, 0xc7001c); + cx18_write_reg_sync(cx, 0x00c000c0, 0xc7001c); mdelay(10); - write_reg_sync(0x00c00000, 0xc7001c); + cx18_write_reg_sync(cx, 0x00c00000, 0xc7001c); mdelay(10); - write_reg_sync(0x00c00000, 0xc730c8); /* Set to edge-triggered intrs. */ - write_reg_sync(0x00c00000, 0xc730c4); /* Clear any stale intrs */ + /* Set to edge-triggered intrs. */ + cx18_write_reg_sync(cx, 0x00c00000, 0xc730c8); + /* Clear any stale intrs */ + cx18_write_reg_sync(cx, 0x00c00000, 0xc730c4); /* Hw I2C1 Clock Freq ~100kHz */ - write_reg_sync(0x00021c0f & ~4, CX18_REG_I2C_1_WR); + cx18_write_reg_sync(cx, 0x00021c0f & ~4, CX18_REG_I2C_1_WR); cx18_setscl(&cx->i2c_algo_cb_data[0], 1); cx18_setsda(&cx->i2c_algo_cb_data[0], 1); /* Hw I2C2 Clock Freq ~100kHz */ - write_reg_sync(0x00021c0f & ~4, CX18_REG_I2C_2_WR); + cx18_write_reg_sync(cx, 0x00021c0f & ~4, CX18_REG_I2C_2_WR); cx18_setscl(&cx->i2c_algo_cb_data[1], 1); cx18_setsda(&cx->i2c_algo_cb_data[1], 1); @@ -458,8 +461,10 @@ void exit_cx18_i2c(struct cx18 *cx) { int i; CX18_DEBUG_I2C("i2c exit\n"); - write_reg(read_reg(CX18_REG_I2C_1_WR) | 4, CX18_REG_I2C_1_WR); - write_reg(read_reg(CX18_REG_I2C_2_WR) | 4, CX18_REG_I2C_2_WR); + cx18_write_reg(cx, cx18_read_reg(cx, CX18_REG_I2C_1_WR) | 4, + CX18_REG_I2C_1_WR); + cx18_write_reg(cx, cx18_read_reg(cx, CX18_REG_I2C_2_WR) | 4, + CX18_REG_I2C_2_WR); for (i = 0; i < 2; i++) { #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 20) diff --git a/linux/drivers/media/video/cx18/cx18-io.c b/linux/drivers/media/video/cx18/cx18-io.c new file mode 100644 index 000000000..55d1df932 --- /dev/null +++ b/linux/drivers/media/video/cx18/cx18-io.c @@ -0,0 +1,139 @@ +/* + * cx18 driver PCI memory mapped IO access routines + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@radix.net> + * + * 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 + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-irq.h" + +void cx18_memcpy_fromio(struct cx18 *cx, void *to, + const void __iomem *from, unsigned int len) +{ + const u8 __iomem *src = from; + u8 *dst = to; + + /* Align reads on the CX23418's addresses */ + if ((len > 0) && ((unsigned long) src & 1)) { + *dst = cx18_readb(cx, src); + len--; + dst++; + src++; + } + if ((len > 1) && ((unsigned long) src & 2)) { + *((u16 *)dst) = cx18_raw_readw(cx, src); + len -= 2; + dst += 2; + src += 2; + } + while (len > 3) { + *((u32 *)dst) = cx18_raw_readl(cx, src); + len -= 4; + dst += 4; + src += 4; + } + if (len > 1) { + *((u16 *)dst) = cx18_raw_readw(cx, src); + len -= 2; + dst += 2; + src += 2; + } + if (len > 0) + *dst = cx18_readb(cx, src); +} + +void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count) +{ + u8 __iomem *dst = addr; + u16 val2 = val | (val << 8); + u32 val4 = val2 | (val2 << 16); + + /* Align writes on the CX23418's addresses */ + if ((count > 0) && ((unsigned long)dst & 1)) { + cx18_writeb(cx, (u8) val, dst); + count--; + dst++; + } + if ((count > 1) && ((unsigned long)dst & 2)) { + cx18_writew(cx, val2, dst); + count -= 2; + dst += 2; + } + while (count > 3) { + cx18_writel(cx, val4, dst); + count -= 4; + dst += 4; + } + if (count > 1) { + cx18_writew(cx, val2, dst); + count -= 2; + dst += 2; + } + if (count > 0) + cx18_writeb(cx, (u8) val, dst); +} + +void cx18_sw1_irq_enable(struct cx18 *cx, u32 val) +{ + u32 r; + cx18_write_reg(cx, val, SW1_INT_STATUS); + r = cx18_read_reg(cx, SW1_INT_ENABLE_PCI); + cx18_write_reg(cx, r | val, SW1_INT_ENABLE_PCI); +} + +void cx18_sw1_irq_disable(struct cx18 *cx, u32 val) +{ + u32 r; + r = cx18_read_reg(cx, SW1_INT_ENABLE_PCI); + cx18_write_reg(cx, r & ~val, SW1_INT_ENABLE_PCI); +} + +void cx18_sw2_irq_enable(struct cx18 *cx, u32 val) +{ + u32 r; + cx18_write_reg(cx, val, SW2_INT_STATUS); + r = cx18_read_reg(cx, SW2_INT_ENABLE_PCI); + cx18_write_reg(cx, r | val, SW2_INT_ENABLE_PCI); +} + +void cx18_sw2_irq_disable(struct cx18 *cx, u32 val) +{ + u32 r; + r = cx18_read_reg(cx, SW2_INT_ENABLE_PCI); + cx18_write_reg(cx, r & ~val, SW2_INT_ENABLE_PCI); +} + +void cx18_setup_page(struct cx18 *cx, u32 addr) +{ + u32 val; + val = cx18_read_reg(cx, 0xD000F8); + val = (val & ~0x1f00) | ((addr >> 17) & 0x1f00); + cx18_write_reg(cx, val, 0xD000F8); +} + +/* Tries to recover from the CX23418 responding improperly on the PCI bus */ +int cx18_pci_try_recover(struct cx18 *cx) +{ + u16 status; + + pci_read_config_word(cx->dev, PCI_STATUS, &status); + pci_write_config_word(cx->dev, PCI_STATUS, status); + return 0; +} diff --git a/linux/drivers/media/video/cx18/cx18-io.h b/linux/drivers/media/video/cx18/cx18-io.h new file mode 100644 index 000000000..7ab7be253 --- /dev/null +++ b/linux/drivers/media/video/cx18/cx18-io.h @@ -0,0 +1,140 @@ +/* + * cx18 driver PCI memory mapped IO access routines + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@radix.net> + * + * 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 + */ + +#ifndef CX18_IO_H +#define CX18_IO_H + +#include "cx18-driver.h" + +static inline void cx18_io_delay(struct cx18 *cx) +{ + if (cx->options.mmio_ndelay) + ndelay(cx->options.mmio_ndelay); +} + +/* Non byteswapping memory mapped IO */ +static inline void cx18_raw_writel(struct cx18 *cx, u32 val, void __iomem *addr) +{ + __raw_writel(val, addr); + cx18_io_delay(cx); +} + +static inline u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr) +{ + u32 ret = __raw_readl(addr); + cx18_io_delay(cx); + return ret; +} + +static inline u16 cx18_raw_readw(struct cx18 *cx, const void __iomem *addr) +{ + u16 ret = __raw_readw(addr); + cx18_io_delay(cx); + return ret; +} + +/* Normal memory mapped IO */ +static inline void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr) +{ + writel(val, addr); + cx18_io_delay(cx); +} + +static inline void cx18_writew(struct cx18 *cx, u16 val, void __iomem *addr) +{ + writew(val, addr); + cx18_io_delay(cx); +} + +static inline void cx18_writeb(struct cx18 *cx, u8 val, void __iomem *addr) +{ + writeb(val, addr); + cx18_io_delay(cx); +} + +static inline u32 cx18_readl(struct cx18 *cx, const void __iomem *addr) +{ + u32 ret = readl(addr); + cx18_io_delay(cx); + return ret; +} + +static inline u8 cx18_readb(struct cx18 *cx, const void __iomem *addr) +{ + u8 ret = readb(addr); + cx18_io_delay(cx); + return ret; +} + +static inline u32 cx18_write_sync(struct cx18 *cx, u32 val, void __iomem *addr) +{ + cx18_writel(cx, val, addr); + return cx18_readl(cx, addr); +} + +void cx18_memcpy_fromio(struct cx18 *cx, void *to, + const void __iomem *from, unsigned int len); +void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count); + +/* Access "register" region of CX23418 memory mapped I/O */ +static inline void cx18_write_reg(struct cx18 *cx, u32 val, u32 reg) +{ + cx18_writel(cx, val, cx->reg_mem + reg); +} + +static inline u32 cx18_read_reg(struct cx18 *cx, u32 reg) +{ + return cx18_readl(cx, cx->reg_mem + reg); +} + +static inline u32 cx18_write_reg_sync(struct cx18 *cx, u32 val, u32 reg) +{ + return cx18_write_sync(cx, val, cx->reg_mem + reg); +} + +/* Access "encoder memory" region of CX23418 memory mapped I/O */ +static inline void cx18_write_enc(struct cx18 *cx, u32 val, u32 addr) +{ + cx18_writel(cx, val, cx->enc_mem + addr); +} + +static inline u32 cx18_read_enc(struct cx18 *cx, u32 addr) +{ + return cx18_readl(cx, cx->enc_mem + addr); +} + +static inline u32 cx18_write_enc_sync(struct cx18 *cx, u32 val, u32 addr) +{ + return cx18_write_sync(cx, val, cx->enc_mem + addr); +} + + +void cx18_sw1_irq_enable(struct cx18 *cx, u32 val); +void cx18_sw1_irq_disable(struct cx18 *cx, u32 val); +void cx18_sw2_irq_enable(struct cx18 *cx, u32 val); +void cx18_sw2_irq_disable(struct cx18 *cx, u32 val); +void cx18_setup_page(struct cx18 *cx, u32 addr); + +/* Tries to recover from the CX23418 responding improperly on the PCI bus */ +int cx18_pci_try_recover(struct cx18 *cx); + +#endif /* CX18_IO_H */ diff --git a/linux/drivers/media/video/cx18/cx18-ioctl.c b/linux/drivers/media/video/cx18/cx18-ioctl.c index 0221a67aa..b909c78d3 100644 --- a/linux/drivers/media/video/cx18/cx18-ioctl.c +++ b/linux/drivers/media/video/cx18/cx18-ioctl.c @@ -22,6 +22,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-version.h" #include "cx18-mailbox.h" #include "cx18-i2c.h" @@ -200,7 +201,6 @@ static int cx18_try_fmt_vid_cap(struct file *file, void *fh, { struct cx18_open_id *id = fh; struct cx18 *cx = id->cx; - int w = fmt->fmt.pix.width; int h = fmt->fmt.pix.height; @@ -248,8 +248,7 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh, struct cx18_open_id *id = fh; struct cx18 *cx = id->cx; int ret; - int w = fmt->fmt.pix.width; - int h = fmt->fmt.pix.height; + int w, h; ret = v4l2_prio_check(&cx->prio, &id->prio); if (ret) @@ -258,6 +257,8 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh, ret = cx18_try_fmt_vid_cap(file, fh, fmt); if (ret) return ret; + w = fmt->fmt.pix.width; + h = fmt->fmt.pix.height; if (cx->params.width == w && cx->params.height == h) return 0; @@ -358,9 +359,9 @@ static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg) spin_lock_irqsave(&cx18_cards_lock, flags); if (cmd == VIDIOC_DBG_G_REGISTER) - regs->val = read_enc(regs->reg); + regs->val = cx18_read_enc(cx, regs->reg); else - write_enc(regs->val, regs->reg); + cx18_write_enc(cx, regs->val, regs->reg); spin_unlock_irqrestore(&cx18_cards_lock, flags); return 0; } @@ -727,6 +728,7 @@ static int cx18_encoder_cmd(struct file *file, void *fh, { struct cx18_open_id *id = fh; struct cx18 *cx = id->cx; + u32 h; switch (enc->cmd) { case V4L2_ENC_CMD_START: @@ -748,8 +750,14 @@ static int cx18_encoder_cmd(struct file *file, void *fh, return -EPERM; if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) return 0; + h = cx18_find_handle(cx); + if (h == CX18_INVALID_TASK_HANDLE) { + CX18_ERR("Can't find valid task handle for " + "V4L2_ENC_CMD_PAUSE\n"); + return -EBADFD; + } cx18_mute(cx); - cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, cx18_find_handle(cx)); + cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, h); break; case V4L2_ENC_CMD_RESUME: @@ -759,7 +767,13 @@ static int cx18_encoder_cmd(struct file *file, void *fh, return -EPERM; if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) return 0; - cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, cx18_find_handle(cx)); + h = cx18_find_handle(cx); + if (h == CX18_INVALID_TASK_HANDLE) { + CX18_ERR("Can't find valid task handle for " + "V4L2_ENC_CMD_RESUME\n"); + return -EBADFD; + } + cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h); cx18_unmute(cx); break; @@ -836,7 +850,8 @@ static int cx18_log_status(struct file *file, void *fh) continue; CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags, - (s->buffers - s->q_free.buffers) * 100 / s->buffers, + (s->buffers - atomic_read(&s->q_free.buffers)) + * 100 / s->buffers, (s->buffers * s->buf_size) / 1024, s->buffers); } CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n", @@ -892,50 +907,54 @@ int cx18_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, return res; } -void cx18_set_funcs(struct video_device *vdev) -{ - vdev->vidioc_querycap = cx18_querycap; - vdev->vidioc_g_priority = cx18_g_priority; - vdev->vidioc_s_priority = cx18_s_priority; - vdev->vidioc_s_audio = cx18_s_audio; - vdev->vidioc_g_audio = cx18_g_audio; - vdev->vidioc_enumaudio = cx18_enumaudio; - vdev->vidioc_enum_input = cx18_enum_input; - vdev->vidioc_cropcap = cx18_cropcap; - vdev->vidioc_s_crop = cx18_s_crop; - vdev->vidioc_g_crop = cx18_g_crop; - vdev->vidioc_g_input = cx18_g_input; - vdev->vidioc_s_input = cx18_s_input; - vdev->vidioc_g_frequency = cx18_g_frequency; - vdev->vidioc_s_frequency = cx18_s_frequency; - vdev->vidioc_s_tuner = cx18_s_tuner; - vdev->vidioc_g_tuner = cx18_g_tuner; - vdev->vidioc_g_enc_index = cx18_g_enc_index; - vdev->vidioc_g_std = cx18_g_std; - vdev->vidioc_s_std = cx18_s_std; - vdev->vidioc_log_status = cx18_log_status; - vdev->vidioc_enum_fmt_vid_cap = cx18_enum_fmt_vid_cap; - vdev->vidioc_encoder_cmd = cx18_encoder_cmd; - vdev->vidioc_try_encoder_cmd = cx18_try_encoder_cmd; - vdev->vidioc_g_fmt_vid_cap = cx18_g_fmt_vid_cap; - vdev->vidioc_g_fmt_vbi_cap = cx18_g_fmt_vbi_cap; - vdev->vidioc_g_fmt_sliced_vbi_cap = cx18_g_fmt_sliced_vbi_cap; - vdev->vidioc_s_fmt_vid_cap = cx18_s_fmt_vid_cap; - vdev->vidioc_s_fmt_vbi_cap = cx18_s_fmt_vbi_cap; - vdev->vidioc_s_fmt_sliced_vbi_cap = cx18_s_fmt_sliced_vbi_cap; - vdev->vidioc_try_fmt_vid_cap = cx18_try_fmt_vid_cap; - vdev->vidioc_try_fmt_vbi_cap = cx18_try_fmt_vbi_cap; - vdev->vidioc_try_fmt_sliced_vbi_cap = cx18_try_fmt_sliced_vbi_cap; - vdev->vidioc_g_sliced_vbi_cap = cx18_g_sliced_vbi_cap; - vdev->vidioc_g_chip_ident = cx18_g_chip_ident; +static const struct v4l2_ioctl_ops cx18_ioctl_ops = { + .vidioc_querycap = cx18_querycap, + .vidioc_g_priority = cx18_g_priority, + .vidioc_s_priority = cx18_s_priority, + .vidioc_s_audio = cx18_s_audio, + .vidioc_g_audio = cx18_g_audio, + .vidioc_enumaudio = cx18_enumaudio, + .vidioc_enum_input = cx18_enum_input, + .vidioc_cropcap = cx18_cropcap, + .vidioc_s_crop = cx18_s_crop, + .vidioc_g_crop = cx18_g_crop, + .vidioc_g_input = cx18_g_input, + .vidioc_s_input = cx18_s_input, + .vidioc_g_frequency = cx18_g_frequency, + .vidioc_s_frequency = cx18_s_frequency, + .vidioc_s_tuner = cx18_s_tuner, + .vidioc_g_tuner = cx18_g_tuner, + .vidioc_g_enc_index = cx18_g_enc_index, + .vidioc_g_std = cx18_g_std, + .vidioc_s_std = cx18_s_std, + .vidioc_log_status = cx18_log_status, + .vidioc_enum_fmt_vid_cap = cx18_enum_fmt_vid_cap, + .vidioc_encoder_cmd = cx18_encoder_cmd, + .vidioc_try_encoder_cmd = cx18_try_encoder_cmd, + .vidioc_g_fmt_vid_cap = cx18_g_fmt_vid_cap, + .vidioc_g_fmt_vbi_cap = cx18_g_fmt_vbi_cap, + .vidioc_g_fmt_sliced_vbi_cap = cx18_g_fmt_sliced_vbi_cap, + .vidioc_s_fmt_vid_cap = cx18_s_fmt_vid_cap, + .vidioc_s_fmt_vbi_cap = cx18_s_fmt_vbi_cap, + .vidioc_s_fmt_sliced_vbi_cap = cx18_s_fmt_sliced_vbi_cap, + .vidioc_try_fmt_vid_cap = cx18_try_fmt_vid_cap, + .vidioc_try_fmt_vbi_cap = cx18_try_fmt_vbi_cap, + .vidioc_try_fmt_sliced_vbi_cap = cx18_try_fmt_sliced_vbi_cap, + .vidioc_g_sliced_vbi_cap = cx18_g_sliced_vbi_cap, + .vidioc_g_chip_ident = cx18_g_chip_ident, #ifdef CONFIG_VIDEO_ADV_DEBUG - vdev->vidioc_g_register = cx18_g_register; - vdev->vidioc_s_register = cx18_s_register; + .vidioc_g_register = cx18_g_register, + .vidioc_s_register = cx18_s_register, #endif - vdev->vidioc_default = cx18_default; - vdev->vidioc_queryctrl = cx18_queryctrl; - vdev->vidioc_querymenu = cx18_querymenu; - vdev->vidioc_g_ext_ctrls = cx18_g_ext_ctrls; - vdev->vidioc_s_ext_ctrls = cx18_s_ext_ctrls; - vdev->vidioc_try_ext_ctrls = cx18_try_ext_ctrls; + .vidioc_default = cx18_default, + .vidioc_queryctrl = cx18_queryctrl, + .vidioc_querymenu = cx18_querymenu, + .vidioc_g_ext_ctrls = cx18_g_ext_ctrls, + .vidioc_s_ext_ctrls = cx18_s_ext_ctrls, + .vidioc_try_ext_ctrls = cx18_try_ext_ctrls, +}; + +void cx18_set_funcs(struct video_device *vdev) +{ + vdev->ioctl_ops = &cx18_ioctl_ops; } diff --git a/linux/drivers/media/video/cx18/cx18-irq.c b/linux/drivers/media/video/cx18/cx18-irq.c index 654664783..f117af782 100644 --- a/linux/drivers/media/video/cx18/cx18-irq.c +++ b/linux/drivers/media/video/cx18/cx18-irq.c @@ -20,6 +20,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-firmware.h" #include "cx18-fileops.h" #include "cx18-queue.h" @@ -60,8 +61,8 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_mailbox *mb) if (mb->args[2] != 1) CX18_WARN("Ack struct = %d for %s\n", mb->args[2], s->name); - id = read_enc(off); - buf = cx18_queue_find_buf(s, id, read_enc(off + 4)); + id = cx18_read_enc(cx, off); + buf = cx18_queue_get_buf_irq(s, id, cx18_read_enc(cx, off + 4)); CX18_DEBUG_HI_DMA("DMA DONE for %s (buffer %d)\n", s->name, id); if (buf) { cx18_buf_sync_for_cpu(s, buf); @@ -81,7 +82,7 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_mailbox *mb) set_bit(CX18_F_B_NEED_BUF_SWAP, &buf->b_flags); } else { CX18_WARN("Could not find buf %d for stream %s\n", - read_enc(off), s->name); + cx18_read_enc(cx, off), s->name); } mb->error = 0; mb->cmd = 0; @@ -97,8 +98,8 @@ static void epu_debug(struct cx18 *cx, struct cx18_mailbox *mb) char *p; if (mb->args[1]) { - setup_page(mb->args[1]); - memcpy_fromio(str, cx->enc_mem + mb->args[1], 252); + cx18_setup_page(cx, mb->args[1]); + cx18_memcpy_fromio(cx, str, cx->enc_mem + mb->args[1], 252); str[252] = 0; } cx18_mb_ack(cx, mb); @@ -113,7 +114,7 @@ static void hpu_cmd(struct cx18 *cx, u32 sw1) struct cx18_mailbox mb; if (sw1 & IRQ_CPU_TO_EPU) { - memcpy_fromio(&mb, &cx->scb->cpu2epu_mb, sizeof(mb)); + cx18_memcpy_fromio(cx, &mb, &cx->scb->cpu2epu_mb, sizeof(mb)); mb.error = 0; switch (mb.cmd) { @@ -145,16 +146,16 @@ irqreturn_t cx18_irq_handler(int irq, void *dev_id) spin_lock(&cx->dma_reg_lock); - hw2_mask = read_reg(HW2_INT_MASK5_PCI); - hw2 = read_reg(HW2_INT_CLR_STATUS) & hw2_mask; - sw2_mask = read_reg(SW2_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU_ACK; - sw2 = read_reg(SW2_INT_STATUS) & sw2_mask; - sw1_mask = read_reg(SW1_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU; - sw1 = read_reg(SW1_INT_STATUS) & sw1_mask; + hw2_mask = cx18_read_reg(cx, HW2_INT_MASK5_PCI); + hw2 = cx18_read_reg(cx, HW2_INT_CLR_STATUS) & hw2_mask; + sw2_mask = cx18_read_reg(cx, SW2_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU_ACK; + sw2 = cx18_read_reg(cx, SW2_INT_STATUS) & sw2_mask; + sw1_mask = cx18_read_reg(cx, SW1_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU; + sw1 = cx18_read_reg(cx, SW1_INT_STATUS) & sw1_mask; - write_reg(sw2&sw2_mask, SW2_INT_STATUS); - write_reg(sw1&sw1_mask, SW1_INT_STATUS); - write_reg(hw2&hw2_mask, HW2_INT_CLR_STATUS); + cx18_write_reg(cx, sw2&sw2_mask, SW2_INT_STATUS); + cx18_write_reg(cx, sw1&sw1_mask, SW1_INT_STATUS); + cx18_write_reg(cx, hw2&hw2_mask, HW2_INT_CLR_STATUS); if (sw1 || sw2 || hw2) CX18_DEBUG_HI_IRQ("SW1: %x SW2: %x HW2: %x\n", sw1, sw2, hw2); @@ -165,15 +166,15 @@ irqreturn_t cx18_irq_handler(int irq, void *dev_id) */ if (sw2) { - if (sw2 & (readl(&cx->scb->cpu2hpu_irq_ack) | - readl(&cx->scb->cpu2epu_irq_ack))) + if (sw2 & (cx18_readl(cx, &cx->scb->cpu2hpu_irq_ack) | + cx18_readl(cx, &cx->scb->cpu2epu_irq_ack))) wake_up(&cx->mb_cpu_waitq); - if (sw2 & (readl(&cx->scb->apu2hpu_irq_ack) | - readl(&cx->scb->apu2epu_irq_ack))) + if (sw2 & (cx18_readl(cx, &cx->scb->apu2hpu_irq_ack) | + cx18_readl(cx, &cx->scb->apu2epu_irq_ack))) wake_up(&cx->mb_apu_waitq); - if (sw2 & readl(&cx->scb->epu2hpu_irq_ack)) + if (sw2 & cx18_readl(cx, &cx->scb->epu2hpu_irq_ack)) wake_up(&cx->mb_epu_waitq); - if (sw2 & readl(&cx->scb->hpu2epu_irq_ack)) + if (sw2 & cx18_readl(cx, &cx->scb->hpu2epu_irq_ack)) wake_up(&cx->mb_hpu_waitq); } diff --git a/linux/drivers/media/video/cx18/cx18-mailbox.c b/linux/drivers/media/video/cx18/cx18-mailbox.c index 93177514e..9d18dd22d 100644 --- a/linux/drivers/media/video/cx18/cx18-mailbox.c +++ b/linux/drivers/media/video/cx18/cx18-mailbox.c @@ -22,6 +22,7 @@ #include <stdarg.h> #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-scb.h" #include "cx18-irq.h" #include "cx18-mailbox.h" @@ -82,6 +83,7 @@ static const struct cx18_api_info api_info[] = { API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK, 0), API_ENTRY(CPU, CX18_CPU_DE_SET_MDL, API_FAST), API_ENTRY(CPU, CX18_APU_RESETAI, API_FAST), + API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL, 0), API_ENTRY(0, 0, 0), }; @@ -105,20 +107,20 @@ static struct cx18_mailbox __iomem *cx18_mb_is_complete(struct cx18 *cx, int rpu switch (rpu) { case APU: mb = &cx->scb->epu2apu_mb; - *state = readl(&cx->scb->apu_state); - *irq = readl(&cx->scb->epu2apu_irq); + *state = cx18_readl(cx, &cx->scb->apu_state); + *irq = cx18_readl(cx, &cx->scb->epu2apu_irq); break; case CPU: mb = &cx->scb->epu2cpu_mb; - *state = readl(&cx->scb->cpu_state); - *irq = readl(&cx->scb->epu2cpu_irq); + *state = cx18_readl(cx, &cx->scb->cpu_state); + *irq = cx18_readl(cx, &cx->scb->epu2cpu_irq); break; case HPU: mb = &cx->scb->epu2hpu_mb; - *state = readl(&cx->scb->hpu_state); - *irq = readl(&cx->scb->epu2hpu_irq); + *state = cx18_readl(cx, &cx->scb->hpu_state); + *irq = cx18_readl(cx, &cx->scb->epu2hpu_irq); break; } @@ -126,8 +128,8 @@ static struct cx18_mailbox __iomem *cx18_mb_is_complete(struct cx18 *cx, int rpu return mb; do { - *req = readl(&mb->request); - ack = readl(&mb->ack); + *req = cx18_readl(cx, &mb->request); + ack = cx18_readl(cx, &mb->ack); wait_count++; } while (*req != ack && wait_count < 600); @@ -172,9 +174,9 @@ long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb) return -EINVAL; } - setup_page(SCB_OFFSET); - write_sync(mb->request, &ack_mb->ack); - write_reg(ack_irq, SW2_INT_SET); + cx18_setup_page(cx, SCB_OFFSET); + cx18_write_sync(cx, mb->request, &ack_mb->ack); + cx18_write_reg(cx, ack_irq, SW2_INT_SET); return 0; } @@ -199,7 +201,7 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) CX18_DEBUG_HI_API("%s\n", info->name); else CX18_DEBUG_API("%s\n", info->name); - setup_page(SCB_OFFSET); + cx18_setup_page(cx, SCB_OFFSET); mb = cx18_mb_is_complete(cx, info->rpu, &state, &irq, &req); if (mb == NULL) { @@ -208,11 +210,11 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) } oldreq = req - 1; - writel(cmd, &mb->cmd); + cx18_writel(cx, cmd, &mb->cmd); for (i = 0; i < args; i++) - writel(data[i], &mb->args[i]); - writel(0, &mb->error); - writel(req, &mb->request); + cx18_writel(cx, data[i], &mb->args[i]); + cx18_writel(cx, 0, &mb->error); + cx18_writel(cx, req, &mb->request); switch (info->rpu) { case APU: waitq = &cx->mb_apu_waitq; break; @@ -223,9 +225,10 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) } if (info->flags & API_FAST) timeout /= 2; - write_reg(irq, SW1_INT_SET); + cx18_write_reg(cx, irq, SW1_INT_SET); - while (!sig && readl(&mb->ack) != readl(&mb->request) && cnt < 660) { + while (!sig && cx18_readl(cx, &mb->ack) != cx18_readl(cx, &mb->request) + && cnt < 660) { if (cnt > 200 && !in_atomic()) sig = cx18_msleep_timeout(10, 1); cnt++; @@ -233,13 +236,13 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) if (sig) return -EINTR; if (cnt == 660) { - writel(oldreq, &mb->request); + cx18_writel(cx, oldreq, &mb->request); CX18_ERR("mb %s failed\n", info->name); return -EINVAL; } for (i = 0; i < MAX_MB_ARGUMENTS; i++) - data[i] = readl(&mb->args[i]); - err = readl(&mb->error); + data[i] = cx18_readl(cx, &mb->args[i]); + err = cx18_readl(cx, &mb->error); if (!in_atomic() && (info->flags & API_SLOW)) cx18_msleep_timeout(300, 0); if (err) diff --git a/linux/drivers/media/video/cx18/cx18-queue.c b/linux/drivers/media/video/cx18/cx18-queue.c index 6990b77c6..a33ba04a2 100644 --- a/linux/drivers/media/video/cx18/cx18-queue.c +++ b/linux/drivers/media/video/cx18/cx18-queue.c @@ -37,8 +37,7 @@ void cx18_buf_swap(struct cx18_buffer *buf) void cx18_queue_init(struct cx18_queue *q) { INIT_LIST_HEAD(&q->list); - q->buffers = 0; - q->length = 0; + atomic_set(&q->buffers, 0); q->bytesused = 0; } @@ -55,8 +54,7 @@ void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, } spin_lock_irqsave(&s->qlock, flags); list_add_tail(&buf->list, &q->list); - q->buffers++; - q->length += s->buf_size; + atomic_inc(&q->buffers); q->bytesused += buf->bytesused - buf->readpos; spin_unlock_irqrestore(&s->qlock, flags); } @@ -70,20 +68,20 @@ struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q) if (!list_empty(&q->list)) { buf = list_entry(q->list.next, struct cx18_buffer, list); list_del_init(q->list.next); - q->buffers--; - q->length -= s->buf_size; + atomic_dec(&q->buffers); q->bytesused -= buf->bytesused - buf->readpos; } spin_unlock_irqrestore(&s->qlock, flags); return buf; } -struct cx18_buffer *cx18_queue_find_buf(struct cx18_stream *s, u32 id, +struct cx18_buffer *cx18_queue_get_buf_irq(struct cx18_stream *s, u32 id, u32 bytesused) { struct cx18 *cx = s->cx; struct list_head *p; + spin_lock(&s->qlock); list_for_each(p, &s->q_free.list) { struct cx18_buffer *buf = list_entry(p, struct cx18_buffer, list); @@ -92,114 +90,45 @@ struct cx18_buffer *cx18_queue_find_buf(struct cx18_stream *s, u32 id, continue; buf->bytesused = bytesused; /* the transport buffers are handled differently, - so there is no need to move them to the full queue */ - if (s->type == CX18_ENC_STREAM_TYPE_TS) - return buf; - s->q_free.buffers--; - s->q_free.length -= s->buf_size; - s->q_full.buffers++; - s->q_full.length += s->buf_size; - s->q_full.bytesused += buf->bytesused; - list_move_tail(&buf->list, &s->q_full.list); + they are not moved to the full queue */ + if (s->type != CX18_ENC_STREAM_TYPE_TS) { + atomic_dec(&s->q_free.buffers); + atomic_inc(&s->q_full.buffers); + s->q_full.bytesused += buf->bytesused; + list_move_tail(&buf->list, &s->q_full.list); + } + spin_unlock(&s->qlock); return buf; } + spin_unlock(&s->qlock); CX18_ERR("Cannot find buffer %d for stream %s\n", id, s->name); return NULL; } -static void cx18_queue_move_buf(struct cx18_stream *s, struct cx18_queue *from, - struct cx18_queue *to, int clear, int full) -{ - struct cx18_buffer *buf = - list_entry(from->list.next, struct cx18_buffer, list); - - list_move_tail(from->list.next, &to->list); - from->buffers--; - from->length -= s->buf_size; - from->bytesused -= buf->bytesused - buf->readpos; - /* special handling for q_free */ - if (clear) - buf->bytesused = buf->readpos = buf->b_flags = 0; - else if (full) { - /* special handling for stolen buffers, assume - all bytes are used. */ - buf->bytesused = s->buf_size; - buf->readpos = buf->b_flags = 0; - } - to->buffers++; - to->length += s->buf_size; - to->bytesused += buf->bytesused - buf->readpos; -} - -/* Move 'needed_bytes' worth of buffers from queue 'from' into queue 'to'. - If 'needed_bytes' == 0, then move all buffers from 'from' into 'to'. - If 'steal' != NULL, then buffers may also taken from that queue if - needed. - - The buffer is automatically cleared if it goes to the free queue. It is - also cleared if buffers need to be taken from the 'steal' queue and - the 'from' queue is the free queue. - - When 'from' is q_free, then needed_bytes is compared to the total - available buffer length, otherwise needed_bytes is compared to the - bytesused value. For the 'steal' queue the total available buffer - length is always used. - - -ENOMEM is returned if the buffers could not be obtained, 0 if all - buffers where obtained from the 'from' list and if non-zero then - the number of stolen buffers is returned. */ -static int cx18_queue_move(struct cx18_stream *s, struct cx18_queue *from, - struct cx18_queue *steal, struct cx18_queue *to, - int needed_bytes) +/* Move all buffers of a queue to q_free, while flushing the buffers */ +static void cx18_queue_flush(struct cx18_stream *s, struct cx18_queue *q) { unsigned long flags; - int rc = 0; - int from_free = from == &s->q_free; - int to_free = to == &s->q_free; - int bytes_available; - - spin_lock_irqsave(&s->qlock, flags); - if (needed_bytes == 0) { - from_free = 1; - needed_bytes = from->length; - } - - bytes_available = from_free ? from->length : from->bytesused; - bytes_available += steal ? steal->length : 0; + struct cx18_buffer *buf; - if (bytes_available < needed_bytes) { - spin_unlock_irqrestore(&s->qlock, flags); - return -ENOMEM; - } - if (from_free) { - u32 old_length = to->length; + if (q == &s->q_free) + return; - while (to->length - old_length < needed_bytes) { - if (list_empty(&from->list)) - from = steal; - if (from == steal) - rc++; /* keep track of 'stolen' buffers */ - cx18_queue_move_buf(s, from, to, 1, 0); - } - } else { - u32 old_bytesused = to->bytesused; - - while (to->bytesused - old_bytesused < needed_bytes) { - if (list_empty(&from->list)) - from = steal; - if (from == steal) - rc++; /* keep track of 'stolen' buffers */ - cx18_queue_move_buf(s, from, to, to_free, rc); - } + spin_lock_irqsave(&s->qlock, flags); + while (!list_empty(&q->list)) { + buf = list_entry(q->list.next, struct cx18_buffer, list); + list_move_tail(q->list.next, &s->q_free.list); + buf->bytesused = buf->readpos = buf->b_flags = 0; + atomic_inc(&s->q_free.buffers); } + cx18_queue_init(q); spin_unlock_irqrestore(&s->qlock, flags); - return rc; } void cx18_flush_queues(struct cx18_stream *s) { - cx18_queue_move(s, &s->q_io, NULL, &s->q_free, 0); - cx18_queue_move(s, &s->q_full, NULL, &s->q_free, 0); + cx18_queue_flush(s, &s->q_io); + cx18_queue_flush(s, &s->q_full); } int cx18_stream_alloc(struct cx18_stream *s) @@ -214,10 +143,10 @@ int cx18_stream_alloc(struct cx18_stream *s) s->name, s->buffers, s->buf_size, s->buffers * s->buf_size / 1024); - if (((char *)&cx->scb->cpu_mdl[cx->mdl_offset + s->buffers] - - (char *)cx->scb) > SCB_RESERVED_SIZE) { - unsigned bufsz = (((char *)cx->scb) + SCB_RESERVED_SIZE - - ((char *)cx->scb->cpu_mdl)); + if (((char __iomem *)&cx->scb->cpu_mdl[cx->mdl_offset + s->buffers] - + (char __iomem *)cx->scb) > SCB_RESERVED_SIZE) { + unsigned bufsz = (((char __iomem *)cx->scb) + SCB_RESERVED_SIZE - + ((char __iomem *)cx->scb->cpu_mdl)); CX18_ERR("Too many buffers, cannot fit in SCB area\n"); CX18_ERR("Max buffers = %zd\n", diff --git a/linux/drivers/media/video/cx18/cx18-queue.h b/linux/drivers/media/video/cx18/cx18-queue.h index 91423b986..7f93bb13c 100644 --- a/linux/drivers/media/video/cx18/cx18-queue.h +++ b/linux/drivers/media/video/cx18/cx18-queue.h @@ -46,7 +46,7 @@ void cx18_queue_init(struct cx18_queue *q); void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, struct cx18_queue *q); struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q); -struct cx18_buffer *cx18_queue_find_buf(struct cx18_stream *s, u32 id, +struct cx18_buffer *cx18_queue_get_buf_irq(struct cx18_stream *s, u32 id, u32 bytesused); void cx18_flush_queues(struct cx18_stream *s); diff --git a/linux/drivers/media/video/cx18/cx18-scb.c b/linux/drivers/media/video/cx18/cx18-scb.c index 30bc803e3..f56d3772a 100644 --- a/linux/drivers/media/video/cx18/cx18-scb.c +++ b/linux/drivers/media/video/cx18/cx18-scb.c @@ -20,102 +20,103 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-scb.h" void cx18_init_scb(struct cx18 *cx) { - setup_page(SCB_OFFSET); - memset_io(cx->scb, 0, 0x10000); + cx18_setup_page(cx, SCB_OFFSET); + cx18_memset_io(cx, cx->scb, 0, 0x10000); - writel(IRQ_APU_TO_CPU, &cx->scb->apu2cpu_irq); - writel(IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack); - writel(IRQ_HPU_TO_CPU, &cx->scb->hpu2cpu_irq); - writel(IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack); - writel(IRQ_PPU_TO_CPU, &cx->scb->ppu2cpu_irq); - writel(IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack); - writel(IRQ_EPU_TO_CPU, &cx->scb->epu2cpu_irq); - writel(IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack); + cx18_writel(cx, IRQ_APU_TO_CPU, &cx->scb->apu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_CPU, &cx->scb->hpu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_CPU, &cx->scb->ppu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_CPU, &cx->scb->epu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack); - writel(IRQ_CPU_TO_APU, &cx->scb->cpu2apu_irq); - writel(IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack); - writel(IRQ_HPU_TO_APU, &cx->scb->hpu2apu_irq); - writel(IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack); - writel(IRQ_PPU_TO_APU, &cx->scb->ppu2apu_irq); - writel(IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack); - writel(IRQ_EPU_TO_APU, &cx->scb->epu2apu_irq); - writel(IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack); + cx18_writel(cx, IRQ_CPU_TO_APU, &cx->scb->cpu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_APU, &cx->scb->hpu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_APU, &cx->scb->ppu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_APU, &cx->scb->epu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack); - writel(IRQ_CPU_TO_HPU, &cx->scb->cpu2hpu_irq); - writel(IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack); - writel(IRQ_APU_TO_HPU, &cx->scb->apu2hpu_irq); - writel(IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack); - writel(IRQ_PPU_TO_HPU, &cx->scb->ppu2hpu_irq); - writel(IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack); - writel(IRQ_EPU_TO_HPU, &cx->scb->epu2hpu_irq); - writel(IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack); + cx18_writel(cx, IRQ_CPU_TO_HPU, &cx->scb->cpu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack); + cx18_writel(cx, IRQ_APU_TO_HPU, &cx->scb->apu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_HPU, &cx->scb->ppu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_HPU, &cx->scb->epu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack); - writel(IRQ_CPU_TO_PPU, &cx->scb->cpu2ppu_irq); - writel(IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack); - writel(IRQ_APU_TO_PPU, &cx->scb->apu2ppu_irq); - writel(IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack); - writel(IRQ_HPU_TO_PPU, &cx->scb->hpu2ppu_irq); - writel(IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack); - writel(IRQ_EPU_TO_PPU, &cx->scb->epu2ppu_irq); - writel(IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack); + cx18_writel(cx, IRQ_CPU_TO_PPU, &cx->scb->cpu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack); + cx18_writel(cx, IRQ_APU_TO_PPU, &cx->scb->apu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_PPU, &cx->scb->hpu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_PPU, &cx->scb->epu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack); - writel(IRQ_CPU_TO_EPU, &cx->scb->cpu2epu_irq); - writel(IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack); - writel(IRQ_APU_TO_EPU, &cx->scb->apu2epu_irq); - writel(IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack); - writel(IRQ_HPU_TO_EPU, &cx->scb->hpu2epu_irq); - writel(IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack); - writel(IRQ_PPU_TO_EPU, &cx->scb->ppu2epu_irq); - writel(IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack); + cx18_writel(cx, IRQ_CPU_TO_EPU, &cx->scb->cpu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack); + cx18_writel(cx, IRQ_APU_TO_EPU, &cx->scb->apu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_EPU, &cx->scb->hpu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_EPU, &cx->scb->ppu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack); - writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb), &cx->scb->apu2cpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb), &cx->scb->hpu2cpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb), &cx->scb->ppu2cpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb), &cx->scb->epu2cpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb), &cx->scb->cpu2apu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb), &cx->scb->hpu2apu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb), &cx->scb->ppu2apu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb), &cx->scb->epu2apu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb), &cx->scb->cpu2hpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb), &cx->scb->apu2hpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb), &cx->scb->ppu2hpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb), &cx->scb->epu2hpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb), &cx->scb->cpu2ppu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb), &cx->scb->apu2ppu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb), &cx->scb->hpu2ppu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb), &cx->scb->epu2ppu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb), &cx->scb->cpu2epu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb), &cx->scb->apu2epu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb), &cx->scb->hpu2epu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb), &cx->scb->ppu2epu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu_state), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu_state), &cx->scb->ipc_offset); - writel(1, &cx->scb->hpu_state); - writel(1, &cx->scb->epu_state); + cx18_writel(cx, 1, &cx->scb->hpu_state); + cx18_writel(cx, 1, &cx->scb->epu_state); } diff --git a/linux/drivers/media/video/cx18/cx18-streams.c b/linux/drivers/media/video/cx18/cx18-streams.c index 3eedae726..fc793e5f2 100644 --- a/linux/drivers/media/video/cx18/cx18-streams.c +++ b/linux/drivers/media/video/cx18/cx18-streams.c @@ -22,6 +22,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-fileops.h" #include "cx18-mailbox.h" #include "cx18-i2c.h" @@ -119,7 +120,7 @@ static void cx18_stream_init(struct cx18 *cx, int type) s->cx = cx; s->type = type; s->name = cx18_stream_info[type].name; - s->handle = 0xffffffff; + s->handle = CX18_INVALID_TASK_HANDLE; s->dma = cx18_stream_info[type].dma; s->buf_size = cx->stream_buf_size[type]; @@ -187,9 +188,6 @@ static int cx18_prep_dev(struct cx18 *cx, int type) return -ENOMEM; } - s->v4l2dev->type = - VID_TYPE_CAPTURE | VID_TYPE_TUNER | VID_TYPE_TELETEXT | - VID_TYPE_CLIPPING | VID_TYPE_SCALES | VID_TYPE_MPEG_ENCODER; snprintf(s->v4l2dev->name, sizeof(s->v4l2dev->name), "cx18-%d", cx->num); @@ -435,7 +433,6 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) default: return -EINVAL; } - s->buffers_stolen = 0; /* mute/unmute video */ cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, @@ -473,7 +470,7 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) if (atomic_read(&cx->tot_capturing) == 0) { clear_bit(CX18_F_I_EOS, &cx->i_flags); - write_reg(7, CX18_DSP0_INTERRUPT_MASK); + cx18_write_reg(cx, 7, CX18_DSP0_INTERRUPT_MASK); } cx18_vapi(cx, CX18_CPU_DE_SET_MDL_ACK, 3, s->handle, @@ -483,8 +480,9 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) list_for_each(p, &s->q_free.list) { struct cx18_buffer *buf = list_entry(p, struct cx18_buffer, list); - writel(buf->dma_handle, &cx->scb->cpu_mdl[buf->id].paddr); - writel(s->buf_size, &cx->scb->cpu_mdl[buf->id].length); + cx18_writel(cx, buf->dma_handle, + &cx->scb->cpu_mdl[buf->id].paddr); + cx18_writel(cx, s->buf_size, &cx->scb->cpu_mdl[buf->id].length); cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, (void __iomem *)&cx->scb->cpu_mdl[buf->id] - cx->enc_mem, 1, buf->id, s->buf_size); @@ -492,7 +490,14 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) /* begin_capture */ if (cx18_vapi(cx, CX18_CPU_CAPTURE_START, 1, s->handle)) { CX18_DEBUG_WARN("Error starting capture!\n"); + /* Ensure we're really not capturing before releasing MDLs */ + if (s->type == CX18_ENC_STREAM_TYPE_MPG) + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, 1); + else + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); + cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); + /* FIXME - clean-up DSP0_INT mask, i_flags, s_flags, etc. */ return -EINVAL; } @@ -571,6 +576,9 @@ int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) #endif } + /* Tell the CX23418 it can't use our buffers anymore */ + cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); + if (s->type != CX18_ENC_STREAM_TYPE_TS) atomic_dec(&cx->ana_capturing); atomic_dec(&cx->tot_capturing); @@ -579,12 +587,12 @@ int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) clear_bit(CX18_F_S_STREAMING, &s->s_flags); cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); - s->handle = 0xffffffff; + s->handle = CX18_INVALID_TASK_HANDLE; if (atomic_read(&cx->tot_capturing) > 0) return 0; - write_reg(5, CX18_DSP0_INTERRUPT_MASK); + cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); wake_up(&s->waitq); return 0; @@ -598,8 +606,8 @@ u32 cx18_find_handle(struct cx18 *cx) for (i = 0; i < CX18_MAX_STREAMS; i++) { struct cx18_stream *s = &cx->streams[i]; - if (s->v4l2dev && s->handle) + if (s->v4l2dev && (s->handle != CX18_INVALID_TASK_HANDLE)) return s->handle; } - return 0; + return CX18_INVALID_TASK_HANDLE; } diff --git a/linux/drivers/media/video/cx18/cx23418.h b/linux/drivers/media/video/cx18/cx23418.h index e7ed05305..668f968d7 100644 --- a/linux/drivers/media/video/cx18/cx23418.h +++ b/linux/drivers/media/video/cx18/cx23418.h @@ -351,7 +351,7 @@ Descriptor Lists to the driver IN[0] - Task handle. Handle of the task to start ReturnCode - One of the ERR_DE_... */ -/* #define CX18_CPU_DE_ReleaseMDL (CPU_CMD_MASK_DE | 0x0006) */ +#define CX18_CPU_DE_RELEASE_MDL (CPU_CMD_MASK_DE | 0x0006) /* Description: This command signals the cpu that the dat buffer has been consumed and ready for re-use. |