diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-core.c')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-core.c | 1841 |
1 files changed, 1841 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c new file mode 100644 index 0000000..8f6fb2a --- /dev/null +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -0,0 +1,1841 @@ +/* + * Driver for the Conexant CX23885 PCIe bridge + * + * Copyright (c) 2006 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 + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kmod.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <asm/div64.h> + +#include "cx23885.h" + +MODULE_DESCRIPTION("Driver for cx23885 based TV cards"); +MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); +MODULE_LICENSE("GPL"); + +static unsigned int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable debug messages"); + +static unsigned int card[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; +module_param_array(card, int, NULL, 0444); +MODULE_PARM_DESC(card, "card type"); + +#define dprintk(level, fmt, arg...)\ + do { if (debug >= level)\ + printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ + } while (0) + +static unsigned int cx23885_devcount; + +static DEFINE_MUTEX(devlist); +LIST_HEAD(cx23885_devlist); + +#define NO_SYNC_LINE (-1U) + +/* FIXME, these allocations will change when + * analog arrives. The be reviewed. + * CX23887 Assumptions + * 1 line = 16 bytes of CDT + * cmds size = 80 + * cdt size = 16 * linesize + * iqsize = 64 + * maxlines = 6 + * + * Address Space: + * 0x00000000 0x00008fff FIFO clusters + * 0x00010000 0x000104af Channel Management Data Structures + * 0x000104b0 0x000104ff Free + * 0x00010500 0x000108bf 15 channels * iqsize + * 0x000108c0 0x000108ff Free + * 0x00010900 0x00010e9f IQ's + Cluster Descriptor Tables + * 15 channels * (iqsize + (maxlines * linesize)) + * 0x00010ea0 0x00010xxx Free + */ + +static struct sram_channel cx23885_sram_channels[] = { + [SRAM_CH01] = { + .name = "VID A", + .cmds_start = 0x10000, + .ctrl_start = 0x10380, + .cdt = 0x104c0, + .fifo_start = 0x40, + .fifo_size = 0x2800, + .ptr1_reg = DMA1_PTR1, + .ptr2_reg = DMA1_PTR2, + .cnt1_reg = DMA1_CNT1, + .cnt2_reg = DMA1_CNT2, + }, + [SRAM_CH02] = { + .name = "ch2", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA2_PTR1, + .ptr2_reg = DMA2_PTR2, + .cnt1_reg = DMA2_CNT1, + .cnt2_reg = DMA2_CNT2, + }, + [SRAM_CH03] = { + .name = "TS1 B", + .cmds_start = 0x100A0, + .ctrl_start = 0x10400, + .cdt = 0x10580, + .fifo_start = 0x5000, + .fifo_size = 0x1000, + .ptr1_reg = DMA3_PTR1, + .ptr2_reg = DMA3_PTR2, + .cnt1_reg = DMA3_CNT1, + .cnt2_reg = DMA3_CNT2, + }, + [SRAM_CH04] = { + .name = "ch4", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA4_PTR1, + .ptr2_reg = DMA4_PTR2, + .cnt1_reg = DMA4_CNT1, + .cnt2_reg = DMA4_CNT2, + }, + [SRAM_CH05] = { + .name = "ch5", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA5_PTR1, + .ptr2_reg = DMA5_PTR2, + .cnt1_reg = DMA5_CNT1, + .cnt2_reg = DMA5_CNT2, + }, + [SRAM_CH06] = { + .name = "TS2 C", + .cmds_start = 0x10140, + .ctrl_start = 0x10440, + .cdt = 0x105e0, + .fifo_start = 0x6000, + .fifo_size = 0x1000, + .ptr1_reg = DMA5_PTR1, + .ptr2_reg = DMA5_PTR2, + .cnt1_reg = DMA5_CNT1, + .cnt2_reg = DMA5_CNT2, + }, + [SRAM_CH07] = { + .name = "ch7", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA6_PTR1, + .ptr2_reg = DMA6_PTR2, + .cnt1_reg = DMA6_CNT1, + .cnt2_reg = DMA6_CNT2, + }, + [SRAM_CH08] = { + .name = "ch8", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA7_PTR1, + .ptr2_reg = DMA7_PTR2, + .cnt1_reg = DMA7_CNT1, + .cnt2_reg = DMA7_CNT2, + }, + [SRAM_CH09] = { + .name = "ch9", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA8_PTR1, + .ptr2_reg = DMA8_PTR2, + .cnt1_reg = DMA8_CNT1, + .cnt2_reg = DMA8_CNT2, + }, +}; + +static struct sram_channel cx23887_sram_channels[] = { + [SRAM_CH01] = { + .name = "VID A", + .cmds_start = 0x10000, + .ctrl_start = 0x105b0, + .cdt = 0x107b0, + .fifo_start = 0x40, + .fifo_size = 0x2800, + .ptr1_reg = DMA1_PTR1, + .ptr2_reg = DMA1_PTR2, + .cnt1_reg = DMA1_CNT1, + .cnt2_reg = DMA1_CNT2, + }, + [SRAM_CH02] = { + .name = "ch2", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA2_PTR1, + .ptr2_reg = DMA2_PTR2, + .cnt1_reg = DMA2_CNT1, + .cnt2_reg = DMA2_CNT2, + }, + [SRAM_CH03] = { + .name = "TS1 B", + .cmds_start = 0x100A0, + .ctrl_start = 0x10630, + .cdt = 0x10870, + .fifo_start = 0x5000, + .fifo_size = 0x1000, + .ptr1_reg = DMA3_PTR1, + .ptr2_reg = DMA3_PTR2, + .cnt1_reg = DMA3_CNT1, + .cnt2_reg = DMA3_CNT2, + }, + [SRAM_CH04] = { + .name = "ch4", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA4_PTR1, + .ptr2_reg = DMA4_PTR2, + .cnt1_reg = DMA4_CNT1, + .cnt2_reg = DMA4_CNT2, + }, + [SRAM_CH05] = { + .name = "ch5", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA5_PTR1, + .ptr2_reg = DMA5_PTR2, + .cnt1_reg = DMA5_CNT1, + .cnt2_reg = DMA5_CNT2, + }, + [SRAM_CH06] = { + .name = "TS2 C", + .cmds_start = 0x10140, + .ctrl_start = 0x10670, + .cdt = 0x108d0, + .fifo_start = 0x6000, + .fifo_size = 0x1000, + .ptr1_reg = DMA5_PTR1, + .ptr2_reg = DMA5_PTR2, + .cnt1_reg = DMA5_CNT1, + .cnt2_reg = DMA5_CNT2, + }, + [SRAM_CH07] = { + .name = "ch7", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA6_PTR1, + .ptr2_reg = DMA6_PTR2, + .cnt1_reg = DMA6_CNT1, + .cnt2_reg = DMA6_CNT2, + }, + [SRAM_CH08] = { + .name = "ch8", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA7_PTR1, + .ptr2_reg = DMA7_PTR2, + .cnt1_reg = DMA7_CNT1, + .cnt2_reg = DMA7_CNT2, + }, + [SRAM_CH09] = { + .name = "ch9", + .cmds_start = 0x0, + .ctrl_start = 0x0, + .cdt = 0x0, + .fifo_start = 0x0, + .fifo_size = 0x0, + .ptr1_reg = DMA8_PTR1, + .ptr2_reg = DMA8_PTR2, + .cnt1_reg = DMA8_CNT1, + .cnt2_reg = DMA8_CNT2, + }, +}; + +static int cx23885_risc_decode(u32 risc) +{ + static char *instr[16] = { + [RISC_SYNC >> 28] = "sync", + [RISC_WRITE >> 28] = "write", + [RISC_WRITEC >> 28] = "writec", + [RISC_READ >> 28] = "read", + [RISC_READC >> 28] = "readc", + [RISC_JUMP >> 28] = "jump", + [RISC_SKIP >> 28] = "skip", + [RISC_WRITERM >> 28] = "writerm", + [RISC_WRITECM >> 28] = "writecm", + [RISC_WRITECR >> 28] = "writecr", + }; + static int incr[16] = { + [RISC_WRITE >> 28] = 3, + [RISC_JUMP >> 28] = 3, + [RISC_SKIP >> 28] = 1, + [RISC_SYNC >> 28] = 1, + [RISC_WRITERM >> 28] = 3, + [RISC_WRITECM >> 28] = 3, + [RISC_WRITECR >> 28] = 4, + }; + static char *bits[] = { + "12", "13", "14", "resync", + "cnt0", "cnt1", "18", "19", + "20", "21", "22", "23", + "irq1", "irq2", "eol", "sol", + }; + int i; + + printk("0x%08x [ %s", risc, + instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); + for (i = ARRAY_SIZE(bits) - 1; i >= 0; i--) + if (risc & (1 << (i + 12))) + printk(" %s", bits[i]); + printk(" count=%d ]\n", risc & 0xfff); + return incr[risc >> 28] ? incr[risc >> 28] : 1; +} + +void cx23885_wakeup(struct cx23885_tsport *port, + struct cx23885_dmaqueue *q, u32 count) +{ + struct cx23885_dev *dev = port->dev; + struct cx23885_buffer *buf; + int bc; + + for (bc = 0;; bc++) { + if (list_empty(&q->active)) + break; + buf = list_entry(q->active.next, + struct cx23885_buffer, vb.queue); + + /* count comes from the hw and is is 16bit wide -- + * this trick handles wrap-arounds correctly for + * up to 32767 buffers in flight... */ + if ((s16) (count - buf->count) < 0) + break; + + do_gettimeofday(&buf->vb.ts); + dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, + count, buf->count); + buf->vb.state = VIDEOBUF_DONE; + list_del(&buf->vb.queue); + wake_up(&buf->vb.done); + } + if (list_empty(&q->active)) + del_timer(&q->timeout); + else + mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); + if (bc != 1) + printk(KERN_WARNING "%s: %d buffers handled (should be 1)\n", + __func__, bc); +} + +int cx23885_sram_channel_setup(struct cx23885_dev *dev, + struct sram_channel *ch, + unsigned int bpl, u32 risc) +{ + unsigned int i, lines; + u32 cdt; + + if (ch->cmds_start == 0) { + dprintk(1, "%s() Erasing channel [%s]\n", __func__, + ch->name); + cx_write(ch->ptr1_reg, 0); + cx_write(ch->ptr2_reg, 0); + cx_write(ch->cnt2_reg, 0); + cx_write(ch->cnt1_reg, 0); + return 0; + } else { + dprintk(1, "%s() Configuring channel [%s]\n", __func__, + ch->name); + } + + bpl = (bpl + 7) & ~7; /* alignment */ + cdt = ch->cdt; + lines = ch->fifo_size / bpl; + if (lines > 6) + lines = 6; + BUG_ON(lines < 2); + + cx_write(8 + 0, RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + cx_write(8 + 4, 8); + cx_write(8 + 8, 0); + + /* write CDT */ + for (i = 0; i < lines; i++) { + dprintk(2, "%s() 0x%08x <- 0x%08x\n", __func__, cdt + 16*i, + ch->fifo_start + bpl*i); + cx_write(cdt + 16*i, ch->fifo_start + bpl*i); + cx_write(cdt + 16*i + 4, 0); + cx_write(cdt + 16*i + 8, 0); + cx_write(cdt + 16*i + 12, 0); + } + + /* write CMDS */ + if (ch->jumponly) + cx_write(ch->cmds_start + 0, 8); + else + cx_write(ch->cmds_start + 0, risc); + cx_write(ch->cmds_start + 4, 0); /* 64 bits 63-32 */ + cx_write(ch->cmds_start + 8, cdt); + cx_write(ch->cmds_start + 12, (lines*16) >> 3); + cx_write(ch->cmds_start + 16, ch->ctrl_start); + if (ch->jumponly) + cx_write(ch->cmds_start + 20, 0x80000000 | (64 >> 2)); + else + cx_write(ch->cmds_start + 20, 64 >> 2); + for (i = 24; i < 80; i += 4) + cx_write(ch->cmds_start + i, 0); + + /* fill registers */ + cx_write(ch->ptr1_reg, ch->fifo_start); + cx_write(ch->ptr2_reg, cdt); + cx_write(ch->cnt2_reg, (lines*16) >> 3); + cx_write(ch->cnt1_reg, (bpl >> 3) - 1); + + dprintk(2, "[bridge %d] sram setup %s: bpl=%d lines=%d\n", + dev->bridge, + ch->name, + bpl, + lines); + + return 0; +} + +void cx23885_sram_channel_dump(struct cx23885_dev *dev, + struct sram_channel *ch) +{ + static char *name[] = { + "init risc lo", + "init risc hi", + "cdt base", + "cdt size", + "iq base", + "iq size", + "risc pc lo", + "risc pc hi", + "iq wr ptr", + "iq rd ptr", + "cdt current", + "pci target lo", + "pci target hi", + "line / byte", + }; + u32 risc; + unsigned int i, j, n; + + printk(KERN_WARNING "%s: %s - dma channel status dump\n", + dev->name, ch->name); + for (i = 0; i < ARRAY_SIZE(name); i++) + printk(KERN_WARNING "%s: cmds: %-15s: 0x%08x\n", + dev->name, name[i], + cx_read(ch->cmds_start + 4*i)); + + for (i = 0; i < 4; i++) { + risc = cx_read(ch->cmds_start + 4 * (i + 14)); + printk(KERN_WARNING "%s: risc%d: ", dev->name, i); + cx23885_risc_decode(risc); + } + for (i = 0; i < (64 >> 2); i += n) { + risc = cx_read(ch->ctrl_start + 4 * i); + /* No consideration for bits 63-32 */ + + printk(KERN_WARNING "%s: (0x%08x) iq %x: ", dev->name, + ch->ctrl_start + 4 * i, i); + n = cx23885_risc_decode(risc); + for (j = 1; j < n; j++) { + risc = cx_read(ch->ctrl_start + 4 * (i + j)); + printk(KERN_WARNING "%s: iq %x: 0x%08x [ arg #%d ]\n", + dev->name, i+j, risc, j); + } + } + + printk(KERN_WARNING "%s: fifo: 0x%08x -> 0x%x\n", + dev->name, ch->fifo_start, ch->fifo_start+ch->fifo_size); + printk(KERN_WARNING "%s: ctrl: 0x%08x -> 0x%x\n", + dev->name, ch->ctrl_start, ch->ctrl_start + 6*16); + printk(KERN_WARNING "%s: ptr1_reg: 0x%08x\n", + dev->name, cx_read(ch->ptr1_reg)); + printk(KERN_WARNING "%s: ptr2_reg: 0x%08x\n", + dev->name, cx_read(ch->ptr2_reg)); + printk(KERN_WARNING "%s: cnt1_reg: 0x%08x\n", + dev->name, cx_read(ch->cnt1_reg)); + printk(KERN_WARNING "%s: cnt2_reg: 0x%08x\n", + dev->name, cx_read(ch->cnt2_reg)); +} + +static void cx23885_risc_disasm(struct cx23885_tsport *port, + struct btcx_riscmem *risc) +{ + struct cx23885_dev *dev = port->dev; + unsigned int i, j, n; + + printk(KERN_INFO "%s: risc disasm: %p [dma=0x%08lx]\n", + dev->name, risc->cpu, (unsigned long)risc->dma); + for (i = 0; i < (risc->size >> 2); i += n) { + printk(KERN_INFO "%s: %04d: ", dev->name, i); + n = cx23885_risc_decode(le32_to_cpu(risc->cpu[i])); + for (j = 1; j < n; j++) + printk(KERN_INFO "%s: %04d: 0x%08x [ arg #%d ]\n", + dev->name, i + j, risc->cpu[i + j], j); + if (risc->cpu[i] == cpu_to_le32(RISC_JUMP)) + break; + } +} + +static void cx23885_shutdown(struct cx23885_dev *dev) +{ + /* disable RISC controller */ + cx_write(DEV_CNTRL2, 0); + + /* Disable all IR activity */ + cx_write(IR_CNTRL_REG, 0); + + /* Disable Video A/B activity */ + cx_write(VID_A_DMA_CTL, 0); + cx_write(VID_B_DMA_CTL, 0); + cx_write(VID_C_DMA_CTL, 0); + + /* Disable Audio activity */ + cx_write(AUD_INT_DMA_CTL, 0); + cx_write(AUD_EXT_DMA_CTL, 0); + + /* Disable Serial port */ + cx_write(UART_CTL, 0); + + /* Disable Interrupts */ + cx_write(PCI_INT_MSK, 0); + cx_write(VID_A_INT_MSK, 0); + cx_write(VID_B_INT_MSK, 0); + cx_write(VID_C_INT_MSK, 0); + cx_write(AUDIO_INT_INT_MSK, 0); + cx_write(AUDIO_EXT_INT_MSK, 0); + +} + +static void cx23885_reset(struct cx23885_dev *dev) +{ + dprintk(1, "%s()\n", __func__); + + cx23885_shutdown(dev); + + cx_write(PCI_INT_STAT, 0xffffffff); + cx_write(VID_A_INT_STAT, 0xffffffff); + cx_write(VID_B_INT_STAT, 0xffffffff); + cx_write(VID_C_INT_STAT, 0xffffffff); + cx_write(AUDIO_INT_INT_STAT, 0xffffffff); + cx_write(AUDIO_EXT_INT_STAT, 0xffffffff); + cx_write(CLK_DELAY, cx_read(CLK_DELAY) & 0x80000000); + cx_write(PAD_CTRL, 0x00500300); + + mdelay(100); + + cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], + 720*4, 0); + cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH02], 128, 0); + cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH03], + 188*4, 0); + cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH04], 128, 0); + cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH05], 128, 0); + cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH06], + 188*4, 0); + cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH07], 128, 0); + cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH08], 128, 0); + cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH09], 128, 0); + + cx23885_gpio_setup(dev); +} + + +static int cx23885_pci_quirks(struct cx23885_dev *dev) +{ + dprintk(1, "%s()\n", __func__); + + /* The cx23885 bridge has a weird bug which causes NMI to be asserted + * when DMA begins if RDR_TLCTL0 bit4 is not cleared. It does not + * occur on the cx23887 bridge. + */ + if (dev->bridge == CX23885_BRIDGE_885) + cx_clear(RDR_TLCTL0, 1 << 4); + + return 0; +} + +static int get_resources(struct cx23885_dev *dev) +{ + if (request_mem_region(pci_resource_start(dev->pci, 0), + pci_resource_len(dev->pci, 0), + dev->name)) + return 0; + + printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n", + dev->name, (unsigned long long)pci_resource_start(dev->pci, 0)); + + return -EBUSY; +} + +static void cx23885_timeout(unsigned long data); +int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, + u32 reg, u32 mask, u32 value); + +static int cx23885_init_tsport(struct cx23885_dev *dev, + struct cx23885_tsport *port, int portno) +{ + dprintk(1, "%s(portno=%d)\n", __func__, portno); + + /* Transport bus init dma queue - Common settings */ + port->dma_ctl_val = 0x11; /* Enable RISC controller and Fifo */ + port->ts_int_msk_val = 0x1111; /* TS port bits for RISC */ + port->vld_misc_val = 0x0; + port->hw_sop_ctrl_val = (0x47 << 16 | 188 << 4); + + spin_lock_init(&port->slock); + port->dev = dev; + port->nr = portno; + + INIT_LIST_HEAD(&port->mpegq.active); + INIT_LIST_HEAD(&port->mpegq.queued); + port->mpegq.timeout.function = cx23885_timeout; + port->mpegq.timeout.data = (unsigned long)port; + init_timer(&port->mpegq.timeout); + + mutex_init(&port->frontends.lock); + INIT_LIST_HEAD(&port->frontends.felist); + port->frontends.active_fe_id = 0; + + /* This should be hardcoded allow a single frontend + * attachment to this tsport, keeping the -dvb.c + * code clean and safe. + */ + if (!port->num_frontends) + port->num_frontends = 1; + + switch (portno) { + case 1: + port->reg_gpcnt = VID_B_GPCNT; + port->reg_gpcnt_ctl = VID_B_GPCNT_CTL; + port->reg_dma_ctl = VID_B_DMA_CTL; + port->reg_lngth = VID_B_LNGTH; + port->reg_hw_sop_ctrl = VID_B_HW_SOP_CTL; + port->reg_gen_ctrl = VID_B_GEN_CTL; + port->reg_bd_pkt_status = VID_B_BD_PKT_STATUS; + port->reg_sop_status = VID_B_SOP_STATUS; + port->reg_fifo_ovfl_stat = VID_B_FIFO_OVFL_STAT; + port->reg_vld_misc = VID_B_VLD_MISC; + port->reg_ts_clk_en = VID_B_TS_CLK_EN; + port->reg_src_sel = VID_B_SRC_SEL; + port->reg_ts_int_msk = VID_B_INT_MSK; + port->reg_ts_int_stat = VID_B_INT_STAT; + port->sram_chno = SRAM_CH03; /* VID_B */ + port->pci_irqmask = 0x02; /* VID_B bit1 */ + break; + case 2: + port->reg_gpcnt = VID_C_GPCNT; + port->reg_gpcnt_ctl = VID_C_GPCNT_CTL; + port->reg_dma_ctl = VID_C_DMA_CTL; + port->reg_lngth = VID_C_LNGTH; + port->reg_hw_sop_ctrl = VID_C_HW_SOP_CTL; + port->reg_gen_ctrl = VID_C_GEN_CTL; + port->reg_bd_pkt_status = VID_C_BD_PKT_STATUS; + port->reg_sop_status = VID_C_SOP_STATUS; + port->reg_fifo_ovfl_stat = VID_C_FIFO_OVFL_STAT; + port->reg_vld_misc = VID_C_VLD_MISC; + port->reg_ts_clk_en = VID_C_TS_CLK_EN; + port->reg_src_sel = 0; + port->reg_ts_int_msk = VID_C_INT_MSK; + port->reg_ts_int_stat = VID_C_INT_STAT; + port->sram_chno = SRAM_CH06; /* VID_C */ + port->pci_irqmask = 0x04; /* VID_C bit2 */ + break; + default: + BUG(); + } + + cx23885_risc_stopper(dev->pci, &port->mpegq.stopper, + port->reg_dma_ctl, port->dma_ctl_val, 0x00); + + return 0; +} + +static void cx23885_dev_checkrevision(struct cx23885_dev *dev) +{ + switch (cx_read(RDR_CFG2) & 0xff) { + case 0x00: + /* cx23885 */ + dev->hwrevision = 0xa0; + break; + case 0x01: + /* CX23885-12Z */ + dev->hwrevision = 0xa1; + break; + case 0x02: + /* CX23885-13Z */ + dev->hwrevision = 0xb0; + break; + case 0x03: + /* CX23888-22Z */ + dev->hwrevision = 0xc0; + break; + case 0x0e: + /* CX23887-15Z */ + dev->hwrevision = 0xc0; + case 0x0f: + /* CX23887-14Z */ + dev->hwrevision = 0xb1; + break; + default: + printk(KERN_ERR "%s() New hardware revision found 0x%x\n", + __func__, dev->hwrevision); + } + if (dev->hwrevision) + printk(KERN_INFO "%s() Hardware revision = 0x%02x\n", + __func__, dev->hwrevision); + else + printk(KERN_ERR "%s() Hardware revision unknown 0x%x\n", + __func__, dev->hwrevision); +} + +static int cx23885_dev_setup(struct cx23885_dev *dev) +{ + int i; + + mutex_init(&dev->lock); + + atomic_inc(&dev->refcount); + + dev->nr = cx23885_devcount++; + sprintf(dev->name, "cx23885[%d]", dev->nr); + + mutex_lock(&devlist); + list_add_tail(&dev->devlist, &cx23885_devlist); + mutex_unlock(&devlist); + + /* Configure the internal memory */ + if (dev->pci->device == 0x8880) { + dev->bridge = CX23885_BRIDGE_887; + /* Apply a sensible clock frequency for the PCIe bridge */ + dev->clk_freq = 25000000; + dev->sram_channels = cx23887_sram_channels; + } else + if (dev->pci->device == 0x8852) { + dev->bridge = CX23885_BRIDGE_885; + /* Apply a sensible clock frequency for the PCIe bridge */ + dev->clk_freq = 28000000; + dev->sram_channels = cx23885_sram_channels; + } else + BUG(); + + dprintk(1, "%s() Memory configured for PCIe bridge type %d\n", + __func__, dev->bridge); + + /* board config */ + dev->board = UNSET; + if (card[dev->nr] < cx23885_bcount) + dev->board = card[dev->nr]; + for (i = 0; UNSET == dev->board && i < cx23885_idcount; i++) + if (dev->pci->subsystem_vendor == cx23885_subids[i].subvendor && + dev->pci->subsystem_device == cx23885_subids[i].subdevice) + dev->board = cx23885_subids[i].card; + if (UNSET == dev->board) { + dev->board = CX23885_BOARD_UNKNOWN; + cx23885_card_list(dev); + } + + /* If the user specific a clk freq override, apply it */ + if (cx23885_boards[dev->board].clk_freq > 0) + dev->clk_freq = cx23885_boards[dev->board].clk_freq; + + dev->pci_bus = dev->pci->bus->number; + dev->pci_slot = PCI_SLOT(dev->pci->devfn); + dev->pci_irqmask = 0x001f00; + + /* External Master 1 Bus */ + dev->i2c_bus[0].nr = 0; + dev->i2c_bus[0].dev = dev; + dev->i2c_bus[0].reg_stat = I2C1_STAT; + dev->i2c_bus[0].reg_ctrl = I2C1_CTRL; + dev->i2c_bus[0].reg_addr = I2C1_ADDR; + dev->i2c_bus[0].reg_rdata = I2C1_RDATA; + dev->i2c_bus[0].reg_wdata = I2C1_WDATA; + dev->i2c_bus[0].i2c_period = (0x9d << 24); /* 100kHz */ + + /* External Master 2 Bus */ + dev->i2c_bus[1].nr = 1; + dev->i2c_bus[1].dev = dev; + dev->i2c_bus[1].reg_stat = I2C2_STAT; + dev->i2c_bus[1].reg_ctrl = I2C2_CTRL; + dev->i2c_bus[1].reg_addr = I2C2_ADDR; + dev->i2c_bus[1].reg_rdata = I2C2_RDATA; + dev->i2c_bus[1].reg_wdata = I2C2_WDATA; + dev->i2c_bus[1].i2c_period = (0x9d << 24); /* 100kHz */ + + /* Internal Master 3 Bus */ + dev->i2c_bus[2].nr = 2; + dev->i2c_bus[2].dev = dev; + dev->i2c_bus[2].reg_stat = I2C3_STAT; + dev->i2c_bus[2].reg_ctrl = I2C3_CTRL; + dev->i2c_bus[2].reg_addr = I2C3_ADDR; + dev->i2c_bus[2].reg_rdata = I2C3_RDATA; + dev->i2c_bus[2].reg_wdata = I2C3_WDATA; + dev->i2c_bus[2].i2c_period = (0x07 << 24); /* 1.95MHz */ + + if ((cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) || + (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER)) + cx23885_init_tsport(dev, &dev->ts1, 1); + + if ((cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) || + (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER)) + cx23885_init_tsport(dev, &dev->ts2, 2); + + if (get_resources(dev) < 0) { + printk(KERN_ERR "CORE %s No more PCIe resources for " + "subsystem: %04x:%04x\n", + dev->name, dev->pci->subsystem_vendor, + dev->pci->subsystem_device); + + cx23885_devcount--; + return -ENODEV; + } + + /* PCIe stuff */ + dev->lmmio = ioremap(pci_resource_start(dev->pci, 0), + pci_resource_len(dev->pci, 0)); + + dev->bmmio = (u8 __iomem *)dev->lmmio; + + printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", + dev->name, dev->pci->subsystem_vendor, + dev->pci->subsystem_device, cx23885_boards[dev->board].name, + dev->board, card[dev->nr] == dev->board ? + "insmod option" : "autodetected"); + + cx23885_pci_quirks(dev); + + /* Assume some sensible defaults */ + dev->tuner_type = cx23885_boards[dev->board].tuner_type; + dev->tuner_addr = cx23885_boards[dev->board].tuner_addr; + dev->radio_type = cx23885_boards[dev->board].radio_type; + dev->radio_addr = cx23885_boards[dev->board].radio_addr; + + dprintk(1, "%s() tuner_type = 0x%x tuner_addr = 0x%x\n", + __func__, dev->tuner_type, dev->tuner_addr); + dprintk(1, "%s() radio_type = 0x%x radio_addr = 0x%x\n", + __func__, dev->radio_type, dev->radio_addr); + + /* init hardware */ + cx23885_reset(dev); + + cx23885_i2c_register(&dev->i2c_bus[0]); + cx23885_i2c_register(&dev->i2c_bus[1]); + cx23885_i2c_register(&dev->i2c_bus[2]); + cx23885_card_setup(dev); + cx23885_call_i2c_clients(&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL); + cx23885_ir_init(dev); + + if (cx23885_boards[dev->board].porta == CX23885_ANALOG_VIDEO) { + if (cx23885_video_register(dev) < 0) { + printk(KERN_ERR "%s() Failed to register analog " + "video adapters on VID_A\n", __func__); + } + } + + if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) { + if (cx23885_dvb_register(&dev->ts1) < 0) { + printk(KERN_ERR "%s() Failed to register dvb adapters on VID_B\n", + __func__); + } + } else + if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) { + if (cx23885_417_register(dev) < 0) { + printk(KERN_ERR + "%s() Failed to register 417 on VID_B\n", + __func__); + } + } + + if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) { + if (cx23885_dvb_register(&dev->ts2) < 0) { + printk(KERN_ERR + "%s() Failed to register dvb on VID_C\n", + __func__); + } + } else + if (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER) { + if (cx23885_417_register(dev) < 0) { + printk(KERN_ERR + "%s() Failed to register 417 on VID_C\n", + __func__); + } + } + + cx23885_dev_checkrevision(dev); + + return 0; +} + +static void cx23885_dev_unregister(struct cx23885_dev *dev) +{ + release_mem_region(pci_resource_start(dev->pci, 0), + pci_resource_len(dev->pci, 0)); + + if (!atomic_dec_and_test(&dev->refcount)) + return; + + if (cx23885_boards[dev->board].porta == CX23885_ANALOG_VIDEO) + cx23885_video_unregister(dev); + + if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) + cx23885_dvb_unregister(&dev->ts1); + + if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) + cx23885_417_unregister(dev); + + if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) + cx23885_dvb_unregister(&dev->ts2); + + if (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER) + cx23885_417_unregister(dev); + + cx23885_i2c_unregister(&dev->i2c_bus[2]); + cx23885_i2c_unregister(&dev->i2c_bus[1]); + cx23885_i2c_unregister(&dev->i2c_bus[0]); + + iounmap(dev->lmmio); +} + +static __le32 *cx23885_risc_field(__le32 *rp, struct scatterlist *sglist, + unsigned int offset, u32 sync_line, + unsigned int bpl, unsigned int padding, + unsigned int lines) +{ + struct scatterlist *sg; + unsigned int line, todo; + + /* sync instruction */ + if (sync_line != NO_SYNC_LINE) + *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); + + /* scan lines */ + sg = sglist; + for (line = 0; line < lines; line++) { + while (offset && offset >= sg_dma_len(sg)) { + offset -= sg_dma_len(sg); + sg++; + } + if (bpl <= sg_dma_len(sg)-offset) { + /* fits into current chunk */ + *(rp++) = cpu_to_le32(RISC_WRITE|RISC_SOL|RISC_EOL|bpl); + *(rp++) = cpu_to_le32(sg_dma_address(sg)+offset); + *(rp++) = cpu_to_le32(0); /* bits 63-32 */ + offset += bpl; + } else { + /* scanline needs to be split */ + todo = bpl; + *(rp++) = cpu_to_le32(RISC_WRITE|RISC_SOL| + (sg_dma_len(sg)-offset)); + *(rp++) = cpu_to_le32(sg_dma_address(sg)+offset); + *(rp++) = cpu_to_le32(0); /* bits 63-32 */ + todo -= (sg_dma_len(sg)-offset); + offset = 0; + sg++; + while (todo > sg_dma_len(sg)) { + *(rp++) = cpu_to_le32(RISC_WRITE| + sg_dma_len(sg)); + *(rp++) = cpu_to_le32(sg_dma_address(sg)); + *(rp++) = cpu_to_le32(0); /* bits 63-32 */ + todo -= sg_dma_len(sg); + sg++; + } + *(rp++) = cpu_to_le32(RISC_WRITE|RISC_EOL|todo); + *(rp++) = cpu_to_le32(sg_dma_address(sg)); + *(rp++) = cpu_to_le32(0); /* bits 63-32 */ + offset += todo; + } + offset += padding; + } + + return rp; +} + +int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, + struct scatterlist *sglist, unsigned int top_offset, + unsigned int bottom_offset, unsigned int bpl, + unsigned int padding, unsigned int lines) +{ + u32 instructions, fields; + __le32 *rp; + int rc; + + fields = 0; + if (UNSET != top_offset) + fields++; + if (UNSET != bottom_offset) + fields++; + + /* estimate risc mem: worst case is one write per page border + + one write per scan line + syncs + jump (all 2 dwords). Padding + can cause next bpl to start close to a page border. First DMA + region may be smaller than PAGE_SIZE */ + /* write and jump need and extra dword */ + instructions = fields * (1 + ((bpl + padding) * lines) + / PAGE_SIZE + lines); + instructions += 2; + rc = btcx_riscmem_alloc(pci, risc, instructions*12); + if (rc < 0) + return rc; + + /* write risc instructions */ + rp = risc->cpu; + if (UNSET != top_offset) + rp = cx23885_risc_field(rp, sglist, top_offset, 0, + bpl, padding, lines); + if (UNSET != bottom_offset) + rp = cx23885_risc_field(rp, sglist, bottom_offset, 0x200, + bpl, padding, lines); + + /* save pointer to jmp instruction address */ + risc->jmp = rp; + BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size); + return 0; +} + +static int cx23885_risc_databuffer(struct pci_dev *pci, + struct btcx_riscmem *risc, + struct scatterlist *sglist, + unsigned int bpl, + unsigned int lines) +{ + u32 instructions; + __le32 *rp; + int rc; + + /* estimate risc mem: worst case is one write per page border + + one write per scan line + syncs + jump (all 2 dwords). Here + there is no padding and no sync. First DMA region may be smaller + than PAGE_SIZE */ + /* Jump and write need an extra dword */ + instructions = 1 + (bpl * lines) / PAGE_SIZE + lines; + instructions += 1; + + rc = btcx_riscmem_alloc(pci, risc, instructions*12); + if (rc < 0) + return rc; + + /* write risc instructions */ + rp = risc->cpu; + rp = cx23885_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines); + + /* save pointer to jmp instruction address */ + risc->jmp = rp; + BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size); + return 0; +} + +int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, + u32 reg, u32 mask, u32 value) +{ + __le32 *rp; + int rc; + + rc = btcx_riscmem_alloc(pci, risc, 4*16); + if (rc < 0) + return rc; + + /* write risc instructions */ + rp = risc->cpu; + *(rp++) = cpu_to_le32(RISC_WRITECR | RISC_IRQ2); + *(rp++) = cpu_to_le32(reg); + *(rp++) = cpu_to_le32(value); + *(rp++) = cpu_to_le32(mask); + *(rp++) = cpu_to_le32(RISC_JUMP); + *(rp++) = cpu_to_le32(risc->dma); + *(rp++) = cpu_to_le32(0); /* bits 63-32 */ + return 0; +} + +void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf) +{ + struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); + + BUG_ON(in_interrupt()); + videobuf_waiton(&buf->vb, 0, 0); + videobuf_dma_unmap(q, dma); + videobuf_dma_free(dma); + btcx_riscmem_free(to_pci_dev(q->dev), &buf->risc); + buf->vb.state = VIDEOBUF_NEEDS_INIT; +} + +static void cx23885_tsport_reg_dump(struct cx23885_tsport *port) +{ + struct cx23885_dev *dev = port->dev; + + dprintk(1, "%s() Register Dump\n", __func__); + dprintk(1, "%s() DEV_CNTRL2 0x%08X\n", __func__, + cx_read(DEV_CNTRL2)); + dprintk(1, "%s() PCI_INT_MSK 0x%08X\n", __func__, + cx_read(PCI_INT_MSK)); + dprintk(1, "%s() AUD_INT_INT_MSK 0x%08X\n", __func__, + cx_read(AUDIO_INT_INT_MSK)); + dprintk(1, "%s() AUD_INT_DMA_CTL 0x%08X\n", __func__, + cx_read(AUD_INT_DMA_CTL)); + dprintk(1, "%s() AUD_EXT_INT_MSK 0x%08X\n", __func__, + cx_read(AUDIO_EXT_INT_MSK)); + dprintk(1, "%s() AUD_EXT_DMA_CTL 0x%08X\n", __func__, + cx_read(AUD_EXT_DMA_CTL)); + dprintk(1, "%s() PAD_CTRL 0x%08X\n", __func__, + cx_read(PAD_CTRL)); + dprintk(1, "%s() ALT_PIN_OUT_SEL 0x%08X\n", __func__, + cx_read(ALT_PIN_OUT_SEL)); + dprintk(1, "%s() GPIO2 0x%08X\n", __func__, + cx_read(GPIO2)); + dprintk(1, "%s() gpcnt(0x%08X) 0x%08X\n", __func__, + port->reg_gpcnt, cx_read(port->reg_gpcnt)); + dprintk(1, "%s() gpcnt_ctl(0x%08X) 0x%08x\n", __func__, + port->reg_gpcnt_ctl, cx_read(port->reg_gpcnt_ctl)); + dprintk(1, "%s() dma_ctl(0x%08X) 0x%08x\n", __func__, + port->reg_dma_ctl, cx_read(port->reg_dma_ctl)); + if (port->reg_src_sel) + dprintk(1, "%s() src_sel(0x%08X) 0x%08x\n", __func__, + port->reg_src_sel, cx_read(port->reg_src_sel)); + dprintk(1, "%s() lngth(0x%08X) 0x%08x\n", __func__, + port->reg_lngth, cx_read(port->reg_lngth)); + dprintk(1, "%s() hw_sop_ctrl(0x%08X) 0x%08x\n", __func__, + port->reg_hw_sop_ctrl, cx_read(port->reg_hw_sop_ctrl)); + dprintk(1, "%s() gen_ctrl(0x%08X) 0x%08x\n", __func__, + port->reg_gen_ctrl, cx_read(port->reg_gen_ctrl)); + dprintk(1, "%s() bd_pkt_status(0x%08X) 0x%08x\n", __func__, + port->reg_bd_pkt_status, cx_read(port->reg_bd_pkt_status)); + dprintk(1, "%s() sop_status(0x%08X) 0x%08x\n", __func__, + port->reg_sop_status, cx_read(port->reg_sop_status)); + dprintk(1, "%s() fifo_ovfl_stat(0x%08X) 0x%08x\n", __func__, + port->reg_fifo_ovfl_stat, cx_read(port->reg_fifo_ovfl_stat)); + dprintk(1, "%s() vld_misc(0x%08X) 0x%08x\n", __func__, + port->reg_vld_misc, cx_read(port->reg_vld_misc)); + dprintk(1, "%s() ts_clk_en(0x%08X) 0x%08x\n", __func__, + port->reg_ts_clk_en, cx_read(port->reg_ts_clk_en)); + dprintk(1, "%s() ts_int_msk(0x%08X) 0x%08x\n", __func__, + port->reg_ts_int_msk, cx_read(port->reg_ts_int_msk)); +} + +static int cx23885_start_dma(struct cx23885_tsport *port, + struct cx23885_dmaqueue *q, + struct cx23885_buffer *buf) +{ + struct cx23885_dev *dev = port->dev; + u32 reg; + + dprintk(1, "%s() w: %d, h: %d, f: %d\n", __func__, + buf->vb.width, buf->vb.height, buf->vb.field); + + /* Stop the fifo and risc engine for this port */ + cx_clear(port->reg_dma_ctl, port->dma_ctl_val); + + /* setup fifo + format */ + cx23885_sram_channel_setup(dev, + &dev->sram_channels[port->sram_chno], + port->ts_packet_size, buf->risc.dma); + if (debug > 5) { + cx23885_sram_channel_dump(dev, + &dev->sram_channels[port->sram_chno]); + cx23885_risc_disasm(port, &buf->risc); + } + + /* write TS length to chip */ + cx_write(port->reg_lngth, buf->vb.width); + + if ((!(cx23885_boards[dev->board].portb & CX23885_MPEG_DVB)) && + (!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB))) { + printk("%s() Unsupported .portb/c (0x%08x)/(0x%08x)\n", + __func__, + cx23885_boards[dev->board].portb, + cx23885_boards[dev->board].portc); + return -EINVAL; + } + + if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) + cx23885_av_clk(dev, 0); + + udelay(100); + + /* If the port supports SRC SELECT, configure it */ + if (port->reg_src_sel) + cx_write(port->reg_src_sel, port->src_sel_val); + + cx_write(port->reg_hw_sop_ctrl, port->hw_sop_ctrl_val); + cx_write(port->reg_ts_clk_en, port->ts_clk_en_val); + cx_write(port->reg_vld_misc, port->vld_misc_val); + cx_write(port->reg_gen_ctrl, port->gen_ctrl_val); + udelay(100); + + /* NOTE: this is 2 (reserved) for portb, does it matter? */ + /* reset counter to zero */ + cx_write(port->reg_gpcnt_ctl, 3); + q->count = 1; + + /* Set VIDB pins to input */ + if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) { + reg = cx_read(PAD_CTRL); + reg &= ~0x3; /* Clear TS1_OE & TS1_SOP_OE */ + cx_write(PAD_CTRL, reg); + } + + /* Set VIDC pins to input */ + if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) { + reg = cx_read(PAD_CTRL); + reg &= ~0x4; /* Clear TS2_SOP_OE */ + cx_write(PAD_CTRL, reg); + } + + if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) { + + reg = cx_read(PAD_CTRL); + reg = reg & ~0x1; /* Clear TS1_OE */ + + /* FIXME, bit 2 writing here is questionable */ + /* set TS1_SOP_OE and TS1_OE_HI */ + reg = reg | 0xa; + cx_write(PAD_CTRL, reg); + + /* FIXME and these two registers should be documented. */ + cx_write(CLK_DELAY, cx_read(CLK_DELAY) | 0x80000011); + cx_write(ALT_PIN_OUT_SEL, 0x10100045); + } + + switch (dev->bridge) { + case CX23885_BRIDGE_885: + case CX23885_BRIDGE_887: + /* enable irqs */ + dprintk(1, "%s() enabling TS int's and DMA\n", __func__); + cx_set(port->reg_ts_int_msk, port->ts_int_msk_val); + cx_set(port->reg_dma_ctl, port->dma_ctl_val); + cx_set(PCI_INT_MSK, dev->pci_irqmask | port->pci_irqmask); + break; + default: + BUG(); + } + + cx_set(DEV_CNTRL2, (1<<5)); /* Enable RISC controller */ + + if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) + cx23885_av_clk(dev, 1); + + if (debug > 4) + cx23885_tsport_reg_dump(port); + + return 0; +} + +static int cx23885_stop_dma(struct cx23885_tsport *port) +{ + struct cx23885_dev *dev = port->dev; + u32 reg; + + dprintk(1, "%s()\n", __func__); + + /* Stop interrupts and DMA */ + cx_clear(port->reg_ts_int_msk, port->ts_int_msk_val); + cx_clear(port->reg_dma_ctl, port->dma_ctl_val); + + if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) { + + reg = cx_read(PAD_CTRL); + + /* Set TS1_OE */ + reg = reg | 0x1; + + /* clear TS1_SOP_OE and TS1_OE_HI */ + reg = reg & ~0xa; + cx_write(PAD_CTRL, reg); + cx_write(port->reg_src_sel, 0); + cx_write(port->reg_gen_ctrl, 8); + + } + + if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) + cx23885_av_clk(dev, 0); + + return 0; +} + +int cx23885_restart_queue(struct cx23885_tsport *port, + struct cx23885_dmaqueue *q) +{ + struct cx23885_dev *dev = port->dev; + struct cx23885_buffer *buf; + + dprintk(5, "%s()\n", __func__); + if (list_empty(&q->active)) { + struct cx23885_buffer *prev; + prev = NULL; + + dprintk(5, "%s() queue is empty\n", __func__); + + for (;;) { + if (list_empty(&q->queued)) + return 0; + buf = list_entry(q->queued.next, struct cx23885_buffer, + vb.queue); + if (NULL == prev) { + list_del(&buf->vb.queue); + list_add_tail(&buf->vb.queue, &q->active); + cx23885_start_dma(port, q, buf); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(5, "[%p/%d] restart_queue - f/active\n", + buf, buf->vb.i); + + } else if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_del(&buf->vb.queue); + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(5, "[%p/%d] restart_queue - m/active\n", + buf, buf->vb.i); + } else { + return 0; + } + prev = buf; + } + return 0; + } + + buf = list_entry(q->active.next, struct cx23885_buffer, vb.queue); + dprintk(2, "restart_queue [%p/%d]: restart dma\n", + buf, buf->vb.i); + cx23885_start_dma(port, q, buf); + list_for_each_entry(buf, &q->active, vb.queue) + buf->count = q->count++; + mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); + return 0; +} + +/* ------------------------------------------------------------------ */ + +int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port, + struct cx23885_buffer *buf, enum v4l2_field field) +{ + struct cx23885_dev *dev = port->dev; + int size = port->ts_packet_size * port->ts_packet_count; + int rc; + + dprintk(1, "%s: %p\n", __func__, buf); + if (0 != buf->vb.baddr && buf->vb.bsize < size) + return -EINVAL; + + if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { + buf->vb.width = port->ts_packet_size; + buf->vb.height = port->ts_packet_count; + buf->vb.size = size; + buf->vb.field = field /*V4L2_FIELD_TOP*/; + + rc = videobuf_iolock(q, &buf->vb, NULL); + if (0 != rc) + goto fail; + cx23885_risc_databuffer(dev->pci, &buf->risc, + videobuf_to_dma(&buf->vb)->sglist, + buf->vb.width, buf->vb.height); + } + buf->vb.state = VIDEOBUF_PREPARED; + return 0; + + fail: + cx23885_free_buffer(q, buf); + return rc; +} + +void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf) +{ + struct cx23885_buffer *prev; + struct cx23885_dev *dev = port->dev; + struct cx23885_dmaqueue *cx88q = &port->mpegq; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + if (list_empty(&cx88q->active)) { + dprintk(1, "queue is empty - first active\n"); + list_add_tail(&buf->vb.queue, &cx88q->active); + cx23885_start_dma(port, cx88q, buf); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = cx88q->count++; + mod_timer(&cx88q->timeout, jiffies + BUFFER_TIMEOUT); + dprintk(1, "[%p/%d] %s - first active\n", + buf, buf->vb.i, __func__); + } else { + dprintk(1, "queue is not empty - append to active\n"); + prev = list_entry(cx88q->active.prev, struct cx23885_buffer, + vb.queue); + list_add_tail(&buf->vb.queue, &cx88q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = cx88q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + prev->risc.jmp[2] = cpu_to_le32(0); /* 64 bit bits 63-32 */ + dprintk(1, "[%p/%d] %s - append to active\n", + buf, buf->vb.i, __func__); + } +} + +/* ----------------------------------------------------------- */ + +static void do_cancel_buffers(struct cx23885_tsport *port, char *reason, + int restart) +{ + struct cx23885_dev *dev = port->dev; + struct cx23885_dmaqueue *q = &port->mpegq; + struct cx23885_buffer *buf; + unsigned long flags; + + spin_lock_irqsave(&port->slock, flags); + while (!list_empty(&q->active)) { + buf = list_entry(q->active.next, struct cx23885_buffer, + vb.queue); + list_del(&buf->vb.queue); + buf->vb.state = VIDEOBUF_ERROR; + wake_up(&buf->vb.done); + dprintk(1, "[%p/%d] %s - dma=0x%08lx\n", + buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); + } + if (restart) { + dprintk(1, "restarting queue\n"); + cx23885_restart_queue(port, q); + } + spin_unlock_irqrestore(&port->slock, flags); +} + +void cx23885_cancel_buffers(struct cx23885_tsport *port) +{ + struct cx23885_dev *dev = port->dev; + struct cx23885_dmaqueue *q = &port->mpegq; + + dprintk(1, "%s()\n", __func__); + del_timer_sync(&q->timeout); + cx23885_stop_dma(port); + do_cancel_buffers(port, "cancel", 0); +} + +static void cx23885_timeout(unsigned long data) +{ + struct cx23885_tsport *port = (struct cx23885_tsport *)data; + struct cx23885_dev *dev = port->dev; + + dprintk(1, "%s()\n", __func__); + + if (debug > 5) + cx23885_sram_channel_dump(dev, + &dev->sram_channels[port->sram_chno]); + + cx23885_stop_dma(port); + do_cancel_buffers(port, "timeout", 1); +} + +int cx23885_irq_417(struct cx23885_dev *dev, u32 status) +{ + /* FIXME: port1 assumption here. */ + struct cx23885_tsport *port = &dev->ts1; + int count = 0; + int handled = 0; + + if (status == 0) + return handled; + + count = cx_read(port->reg_gpcnt); + dprintk(7, "status: 0x%08x mask: 0x%08x count: 0x%x\n", + status, cx_read(port->reg_ts_int_msk), count); + + if ((status & VID_B_MSK_BAD_PKT) || + (status & VID_B_MSK_OPC_ERR) || + (status & VID_B_MSK_VBI_OPC_ERR) || + (status & VID_B_MSK_SYNC) || + (status & VID_B_MSK_VBI_SYNC) || + (status & VID_B_MSK_OF) || + (status & VID_B_MSK_VBI_OF)) { + printk(KERN_ERR "%s: V4L mpeg risc op code error, status " + "= 0x%x\n", dev->name, status); + if (status & VID_B_MSK_BAD_PKT) + dprintk(1, " VID_B_MSK_BAD_PKT\n"); + if (status & VID_B_MSK_OPC_ERR) + dprintk(1, " VID_B_MSK_OPC_ERR\n"); + if (status & VID_B_MSK_VBI_OPC_ERR) + dprintk(1, " VID_B_MSK_VBI_OPC_ERR\n"); + if (status & VID_B_MSK_SYNC) + dprintk(1, " VID_B_MSK_SYNC\n"); + if (status & VID_B_MSK_VBI_SYNC) + dprintk(1, " VID_B_MSK_VBI_SYNC\n"); + if (status & VID_B_MSK_OF) + dprintk(1, " VID_B_MSK_OF\n"); + if (status & VID_B_MSK_VBI_OF) + dprintk(1, " VID_B_MSK_VBI_OF\n"); + + cx_clear(port->reg_dma_ctl, port->dma_ctl_val); + cx23885_sram_channel_dump(dev, + &dev->sram_channels[port->sram_chno]); + cx23885_417_check_encoder(dev); + } else if (status & VID_B_MSK_RISCI1) { + dprintk(7, " VID_B_MSK_RISCI1\n"); + spin_lock(&port->slock); + cx23885_wakeup(port, &port->mpegq, count); + spin_unlock(&port->slock); + } else if (status & VID_B_MSK_RISCI2) { + dprintk(7, " VID_B_MSK_RISCI2\n"); + spin_lock(&port->slock); + cx23885_restart_queue(port, &port->mpegq); + spin_unlock(&port->slock); + } + if (status) { + cx_write(port->reg_ts_int_stat, status); + handled = 1; + } + + return handled; +} + +static int cx23885_irq_ts(struct cx23885_tsport *port, u32 status) +{ + struct cx23885_dev *dev = port->dev; + int handled = 0; + u32 count; + + if ((status & VID_BC_MSK_OPC_ERR) || + (status & VID_BC_MSK_BAD_PKT) || + (status & VID_BC_MSK_SYNC) || + (status & VID_BC_MSK_OF)) { + + if (status & VID_BC_MSK_OPC_ERR) + dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", + VID_BC_MSK_OPC_ERR); + + if (status & VID_BC_MSK_BAD_PKT) + dprintk(7, " (VID_BC_MSK_BAD_PKT 0x%08x)\n", + VID_BC_MSK_BAD_PKT); + + if (status & VID_BC_MSK_SYNC) + dprintk(7, " (VID_BC_MSK_SYNC 0x%08x)\n", + VID_BC_MSK_SYNC); + + if (status & VID_BC_MSK_OF) + dprintk(7, " (VID_BC_MSK_OF 0x%08x)\n", + VID_BC_MSK_OF); + + printk(KERN_ERR "%s: mpeg risc op code error\n", dev->name); + + cx_clear(port->reg_dma_ctl, port->dma_ctl_val); + cx23885_sram_channel_dump(dev, + &dev->sram_channels[port->sram_chno]); + + } else if (status & VID_BC_MSK_RISCI1) { + + dprintk(7, " (RISCI1 0x%08x)\n", VID_BC_MSK_RISCI1); + + spin_lock(&port->slock); + count = cx_read(port->reg_gpcnt); + cx23885_wakeup(port, &port->mpegq, count); + spin_unlock(&port->slock); + + } else if (status & VID_BC_MSK_RISCI2) { + + dprintk(7, " (RISCI2 0x%08x)\n", VID_BC_MSK_RISCI2); + + spin_lock(&port->slock); + cx23885_restart_queue(port, &port->mpegq); + spin_unlock(&port->slock); + + } + if (status) { + cx_write(port->reg_ts_int_stat, status); + handled = 1; + } + + return handled; +} + +static irqreturn_t cx23885_irq(int irq, void *dev_id) +{ + struct cx23885_dev *dev = dev_id; + struct cx23885_tsport *ts1 = &dev->ts1; + struct cx23885_tsport *ts2 = &dev->ts2; + u32 pci_status, pci_mask; + u32 vida_status, vida_mask; + u32 ts1_status, ts1_mask; + u32 ts2_status, ts2_mask; + int vida_count = 0, ts1_count = 0, ts2_count = 0, handled = 0; + + pci_status = cx_read(PCI_INT_STAT); + pci_mask = cx_read(PCI_INT_MSK); + vida_status = cx_read(VID_A_INT_STAT); + vida_mask = cx_read(VID_A_INT_MSK); + ts1_status = cx_read(VID_B_INT_STAT); + ts1_mask = cx_read(VID_B_INT_MSK); + ts2_status = cx_read(VID_C_INT_STAT); + ts2_mask = cx_read(VID_C_INT_MSK); + + if ((pci_status == 0) && (ts2_status == 0) && (ts1_status == 0)) + goto out; + + vida_count = cx_read(VID_A_GPCNT); + ts1_count = cx_read(ts1->reg_gpcnt); + ts2_count = cx_read(ts2->reg_gpcnt); + dprintk(7, "pci_status: 0x%08x pci_mask: 0x%08x\n", + pci_status, pci_mask); + dprintk(7, "vida_status: 0x%08x vida_mask: 0x%08x count: 0x%x\n", + vida_status, vida_mask, vida_count); + dprintk(7, "ts1_status: 0x%08x ts1_mask: 0x%08x count: 0x%x\n", + ts1_status, ts1_mask, ts1_count); + dprintk(7, "ts2_status: 0x%08x ts2_mask: 0x%08x count: 0x%x\n", + ts2_status, ts2_mask, ts2_count); + + if ((pci_status & PCI_MSK_RISC_RD) || + (pci_status & PCI_MSK_RISC_WR) || + (pci_status & PCI_MSK_AL_RD) || + (pci_status & PCI_MSK_AL_WR) || + (pci_status & PCI_MSK_APB_DMA) || + (pci_status & PCI_MSK_VID_C) || + (pci_status & PCI_MSK_VID_B) || + (pci_status & PCI_MSK_VID_A) || + (pci_status & PCI_MSK_AUD_INT) || + (pci_status & PCI_MSK_AUD_EXT)) { + + if (pci_status & PCI_MSK_RISC_RD) + dprintk(7, " (PCI_MSK_RISC_RD 0x%08x)\n", + PCI_MSK_RISC_RD); + + if (pci_status & PCI_MSK_RISC_WR) + dprintk(7, " (PCI_MSK_RISC_WR 0x%08x)\n", + PCI_MSK_RISC_WR); + + if (pci_status & PCI_MSK_AL_RD) + dprintk(7, " (PCI_MSK_AL_RD 0x%08x)\n", + PCI_MSK_AL_RD); + + if (pci_status & PCI_MSK_AL_WR) + dprintk(7, " (PCI_MSK_AL_WR 0x%08x)\n", + PCI_MSK_AL_WR); + + if (pci_status & PCI_MSK_APB_DMA) + dprintk(7, " (PCI_MSK_APB_DMA 0x%08x)\n", + PCI_MSK_APB_DMA); + + if (pci_status & PCI_MSK_VID_C) + dprintk(7, " (PCI_MSK_VID_C 0x%08x)\n", + PCI_MSK_VID_C); + + if (pci_status & PCI_MSK_VID_B) + dprintk(7, " (PCI_MSK_VID_B 0x%08x)\n", + PCI_MSK_VID_B); + + if (pci_status & PCI_MSK_VID_A) + dprintk(7, " (PCI_MSK_VID_A 0x%08x)\n", + PCI_MSK_VID_A); + + if (pci_status & PCI_MSK_AUD_INT) + dprintk(7, " (PCI_MSK_AUD_INT 0x%08x)\n", + PCI_MSK_AUD_INT); + + if (pci_status & PCI_MSK_AUD_EXT) + dprintk(7, " (PCI_MSK_AUD_EXT 0x%08x)\n", + PCI_MSK_AUD_EXT); + + } + + if (ts1_status) { + if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) + handled += cx23885_irq_ts(ts1, ts1_status); + else + if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) + handled += cx23885_irq_417(dev, ts1_status); + } + + if (ts2_status) { + if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) + handled += cx23885_irq_ts(ts2, ts2_status); + else + if (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER) + handled += cx23885_irq_417(dev, ts2_status); + } + + if (vida_status) + handled += cx23885_video_irq(dev, vida_status); + + if (handled) + cx_write(PCI_INT_STAT, pci_status); +out: + return IRQ_RETVAL(handled); +} + +static int __devinit cx23885_initdev(struct pci_dev *pci_dev, + const struct pci_device_id *pci_id) +{ + struct cx23885_dev *dev; + int err; + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (NULL == dev) + return -ENOMEM; + + /* pci init */ + dev->pci = pci_dev; + if (pci_enable_device(pci_dev)) { + err = -EIO; + goto fail_free; + } + + if (cx23885_dev_setup(dev) < 0) { + err = -EINVAL; + goto fail_free; + } + + /* print pci info */ + pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); + pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); + printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " + "latency: %d, mmio: 0x%llx\n", dev->name, + pci_name(pci_dev), dev->pci_rev, pci_dev->irq, + dev->pci_lat, + (unsigned long long)pci_resource_start(pci_dev, 0)); + + pci_set_master(pci_dev); + if (!pci_dma_supported(pci_dev, 0xffffffff)) { + printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); + err = -EIO; + goto fail_irq; + } + + err = request_irq(pci_dev->irq, cx23885_irq, + IRQF_SHARED | IRQF_DISABLED, dev->name, dev); + if (err < 0) { + printk(KERN_ERR "%s: can't get IRQ %d\n", + dev->name, pci_dev->irq); + goto fail_irq; + } + + pci_set_drvdata(pci_dev, dev); + return 0; + +fail_irq: + cx23885_dev_unregister(dev); +fail_free: + kfree(dev); + return err; +} + +static void __devexit cx23885_finidev(struct pci_dev *pci_dev) +{ + struct cx23885_dev *dev = pci_get_drvdata(pci_dev); + + cx23885_shutdown(dev); + + pci_disable_device(pci_dev); + + /* unregister stuff */ + free_irq(pci_dev->irq, dev); + pci_set_drvdata(pci_dev, NULL); + + mutex_lock(&devlist); + list_del(&dev->devlist); + mutex_unlock(&devlist); + + cx23885_dev_unregister(dev); + kfree(dev); +} + +static struct pci_device_id cx23885_pci_tbl[] = { + { + /* CX23885 */ + .vendor = 0x14f1, + .device = 0x8852, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, { + /* CX23887 Rev 2 */ + .vendor = 0x14f1, + .device = 0x8880, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, { + /* --- end of list --- */ + } +}; +MODULE_DEVICE_TABLE(pci, cx23885_pci_tbl); + +static struct pci_driver cx23885_pci_driver = { + .name = "cx23885", + .id_table = cx23885_pci_tbl, + .probe = cx23885_initdev, + .remove = __devexit_p(cx23885_finidev), + /* TODO */ + .suspend = NULL, + .resume = NULL, +}; + +static int cx23885_init(void) +{ + printk(KERN_INFO "cx23885 driver version %d.%d.%d loaded\n", + (CX23885_VERSION_CODE >> 16) & 0xff, + (CX23885_VERSION_CODE >> 8) & 0xff, + CX23885_VERSION_CODE & 0xff); +#ifdef SNAPSHOT + printk(KERN_INFO "cx23885: snapshot date %04d-%02d-%02d\n", + SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); +#endif + return pci_register_driver(&cx23885_pci_driver); +} + +static void cx23885_fini(void) +{ + pci_unregister_driver(&cx23885_pci_driver); +} + +module_init(cx23885_init); +module_exit(cx23885_fini); + +/* ----------------------------------------------------------- */ |
