diff options
Diffstat (limited to 'linux/drivers/media/video/cx18')
| -rw-r--r-- | linux/drivers/media/video/cx18/Kconfig | 2 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-controls.c | 5 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-driver.c | 17 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-driver.h | 5 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-firmware.c | 101 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-mailbox.c | 8 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-mailbox.h | 7 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-queue.c | 19 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-scb.c | 1 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-streams.c | 15 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx18/cx23418.h | 6 |
11 files changed, 108 insertions, 78 deletions
diff --git a/linux/drivers/media/video/cx18/Kconfig b/linux/drivers/media/video/cx18/Kconfig index 8940b5387..ef48565de 100644 --- a/linux/drivers/media/video/cx18/Kconfig +++ b/linux/drivers/media/video/cx18/Kconfig @@ -9,7 +9,7 @@ config VIDEO_CX18 select VIDEO_CX2341X select VIDEO_CS5345 select DVB_S5H1409 if !DVB_FE_CUSTOMISE - select MEDIA_TUNER_MXL5005S if !MEDIA_TUNER_CUSTOMIZE + select MEDIA_TUNER_MXL5005S if !DVB_FE_CUSTOMISE ---help--- This is a video4linux driver for Conexant cx23418 based PCI combo video recorder devices. diff --git a/linux/drivers/media/video/cx18/cx18-controls.c b/linux/drivers/media/video/cx18/cx18-controls.c index f46c7e5ed..17edf305d 100644 --- a/linux/drivers/media/video/cx18/cx18-controls.c +++ b/linux/drivers/media/video/cx18/cx18-controls.c @@ -259,6 +259,7 @@ int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c) return err; } if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + struct cx18_api_func_private priv; struct cx2341x_mpeg_params p = cx->params; int err = cx2341x_ext_ctrls(&p, atomic_read(&cx->ana_capturing), c, VIDIOC_S_EXT_CTRLS); @@ -278,7 +279,9 @@ int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c) fmt.fmt.pix.height = cx->params.height; cx18_av_cmd(cx, VIDIOC_S_FMT, &fmt); } - err = cx2341x_update(cx, cx18_api_func, &cx->params, &p); + priv.cx = cx; + priv.s = &cx->streams[id->type]; + err = cx2341x_update(&priv, cx18_api_func, &cx->params, &p); if (!err && cx->params.stream_vbi_fmt != p.stream_vbi_fmt) err = cx18_setup_vbi_fmt(cx, p.stream_vbi_fmt); cx->params = p; diff --git a/linux/drivers/media/video/cx18/cx18-driver.c b/linux/drivers/media/video/cx18/cx18-driver.c index cea4735b6..e447b4ce7 100644 --- a/linux/drivers/media/video/cx18/cx18-driver.c +++ b/linux/drivers/media/video/cx18/cx18-driver.c @@ -614,18 +614,21 @@ static int __devinit cx18_init_struct1(struct cx18 *cx) * We use a BT.656 pxiel clock of 13.5 MHz and a BT.656 active line * length of 720 pixels @ 4:2:2 sampling. Thus... * - * For NTSC: + * For systems that use a 15.734 kHz horizontal rate, such as + * NTSC-M, PAL-M, PAL-60, and other 60 Hz/525 line systems, we have: * - * (1/15,734 kHz) * 2 * 13.5 MHz = 1716 samples/line = + * (1/15.734 kHz) * 2 * 13.5 MHz = 1716 samples/line = * 4 bytes SAV + 268 bytes anc data + 4 bytes SAV + 1440 active samples * - * For PAL: + * For systems that use a 15.625 kHz horizontal rate, such as + * PAL-B/G/H, PAL-I, SECAM-L and other 50 Hz/625 line systems, we have: * - * (1/15,625 kHz) * 2 * 13.5 MHz = 1728 samples/line = + * (1/15.625 kHz) * 2 * 13.5 MHz = 1728 samples/line = * 4 bytes SAV + 280 bytes anc data + 4 bytes SAV + 1440 active samples * */ + /* FIXME: init these based on tuner std & modify when std changes */ /* CX18-AV-Core number of VBI samples output per horizontal line */ cx->vbi.raw_decoder_line_size = 1444; /* 4 byte SAV + 2 * 720 */ cx->vbi.sliced_decoder_line_size = 272; /* 60 Hz: 268+4, 50 Hz: 280+4 */ @@ -880,6 +883,7 @@ static int __devinit cx18_probe(struct pci_dev *dev, goto free_i2c; } cx18_init_memory(cx); + cx18_init_scb(cx); /* Register IRQ */ retval = request_irq(cx->dev->irq, cx18_irq_handler, @@ -929,6 +933,11 @@ static int __devinit cx18_probe(struct pci_dev *dev, } cx->params.video_gop_size = cx->is_60hz ? 15 : 12; + /* + * FIXME: setting the buffer size based on the tuner standard is + * suboptimal, as the CVBS and SVideo inputs could use a different std + * and the buffer could end up being too small in that case. + */ vbi_buf_size = cx->vbi.raw_size * (cx->is_60hz ? 24 : 36) / 2; cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_buf_size; diff --git a/linux/drivers/media/video/cx18/cx18-driver.h b/linux/drivers/media/video/cx18/cx18-driver.h index 018d98f94..0d2edebc3 100644 --- a/linux/drivers/media/video/cx18/cx18-driver.h +++ b/linux/drivers/media/video/cx18/cx18-driver.h @@ -116,7 +116,7 @@ #define CX18_DEFAULT_ENC_PCM_BUFFERS 1 /* Maximum firmware DMA buffers per stream */ -#define CX18_MAX_MDLS_PER_STREAM 63 +#define CX18_MAX_FW_MDLS_PER_STREAM 63 /* DMA buffer, default size in kB allocated */ #define CX18_DEFAULT_ENC_TS_BUFSIZE 32 @@ -255,7 +255,8 @@ struct cx18_scb; /* forward reference */ #define CX18_MAX_MDL_ACKS 2 -#define CX18_MAX_EPU_WORK_ORDERS 70 /* CPU_DE_RELEASE_MDL bursts 63 commands */ +#define CX18_MAX_EPU_WORK_ORDERS (CX18_MAX_FW_MDLS_PER_STREAM + 7) +/* CPU_DE_RELEASE_MDL can burst CX18_MAX_FW_MDLS_PER_STREAM orders in a group */ #define CX18_F_EWO_MB_STALE_UPON_RECEIPT 0x1 #define CX18_F_EWO_MB_STALE_WHILE_PROC 0x2 diff --git a/linux/drivers/media/video/cx18/cx18-firmware.c b/linux/drivers/media/video/cx18/cx18-firmware.c index 8eac84314..e74f76d47 100644 --- a/linux/drivers/media/video/cx18/cx18-firmware.c +++ b/linux/drivers/media/video/cx18/cx18-firmware.c @@ -332,6 +332,10 @@ void cx18_init_memory(struct cx18 *cx) int cx18_firmware_init(struct cx18 *cx) { + u32 fw_entry_addr; + int sz, retries; + u32 api_args[MAX_MB_ARGUMENTS]; + /* Allow chip to control CLKRUN */ cx18_write_reg(cx, 0x5, CX18_DSP0_INTERRUPT_MASK); @@ -341,65 +345,62 @@ int cx18_firmware_init(struct cx18 *cx) cx18_msleep_timeout(1, 0); + /* If the CPU is still running */ + if ((cx18_read_reg(cx, CX18_PROC_SOFT_RESET) & 8) == 0) { + CX18_ERR("%s: couldn't stop CPU to load firmware\n", __func__); + return -EIO; + } + 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 (cx18_read_reg(cx, CX18_PROC_SOFT_RESET) & 8) { - u32 fw_entry_addr = 0; - int sz = load_apu_fw_direct("v4l-cx23418-apu.fw", - cx->enc_mem, cx, &fw_entry_addr); - - if (sz <= 0) - return sz; - - /* Clear bit0 for APU to start from 0 */ - cx18_write_reg(cx, cx18_read_reg(cx, 0xc72030) & ~1, 0xc72030); - - cx18_write_enc(cx, 0xE51FF004, 0); /* ldr pc, [pc, #-4] */ - cx18_write_enc(cx, fw_entry_addr, 4); - - /* Start APU */ - cx18_write_reg_expect(cx, 0x00010000, CX18_PROC_SOFT_RESET, - 0x00000000, 0x00010001); - cx18_msleep_timeout(500, 0); - - sz = sz <= 0 ? sz : load_cpu_fw_direct("v4l-cx23418-cpu.fw", - cx->enc_mem, cx); - - if (sz > 0) { - int retries = 0; - - /* start the CPU */ - cx18_write_reg_expect(cx, - 0x00080000, CX18_PROC_SOFT_RESET, - 0x00000000, 0x00080008); - while (retries++ < 50) { /* Loop for max 500mS */ - if ((cx18_read_reg(cx, CX18_PROC_SOFT_RESET) - & 1) == 0) - break; - cx18_msleep_timeout(10, 0); - } - cx18_msleep_timeout(200, 0); - if (retries == 51) { - CX18_ERR("Could not start the CPU\n"); - return -EIO; - } - } - if (sz <= 0) - return -EIO; + sz = load_cpu_fw_direct("v4l-cx23418-cpu.fw", cx->enc_mem, cx); + if (sz <= 0) + return sz; + + /* The SCB & IPC area *must* be correct before starting the firmwares */ + cx18_init_scb(cx); + + fw_entry_addr = 0; + sz = load_apu_fw_direct("v4l-cx23418-apu.fw", cx->enc_mem, cx, + &fw_entry_addr); + if (sz <= 0) + return sz; + + /* Start the CPU. The CPU will take care of the APU for us. */ + cx18_write_reg_expect(cx, 0x00080000, CX18_PROC_SOFT_RESET, + 0x00000000, 0x00080008); + + /* Wait up to 500 ms for the APU to come out of reset */ + for (retries = 0; + retries < 50 && (cx18_read_reg(cx, CX18_PROC_SOFT_RESET) & 1) == 1; + retries++) + cx18_msleep_timeout(10, 0); + + cx18_msleep_timeout(200, 0); + + if (retries == 50 && + (cx18_read_reg(cx, CX18_PROC_SOFT_RESET) & 1) == 1) { + CX18_ERR("Could not start the CPU\n"); + return -EIO; } /* - * The CPU firmware apparently sets up to receive an interrupt for it's - * outgoing IRQ_CPU_TO_EPU_ACK to us (*boggle*). We get an interrupt - * when it sends us an ack, but by the time we process it, that flag in - * the SW2 status register has been cleared by the CPU firmware. - * We'll prevent that not so useful behavior by clearing the CPU's - * interrupt enables for Ack IRQ's we want to process. + * The CPU had once before set up to receive an interrupt for it's + * outgoing IRQ_CPU_TO_EPU_ACK to us. If it ever does this, we get an + * interrupt when it sends us an ack, but by the time we process it, + * that flag in the SW2 status register has been cleared by the CPU + * firmware. We'll prevent that not so useful condition from happening + * by clearing the CPU's interrupt enables for Ack IRQ's we want to + * process. */ cx18_sw2_irq_disable_cpu(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); + /* Try a benign command to see if the CPU is alive and well */ + sz = cx18_vapi_result(cx, api_args, CX18_CPU_DEBUG_PEEK32, 1, 0); + if (sz < 0) + return sz; + /* initialize GPIO */ cx18_write_reg_expect(cx, 0x14001400, 0xc78110, 0x00001400, 0x14001400); return 0; diff --git a/linux/drivers/media/video/cx18/cx18-mailbox.c b/linux/drivers/media/video/cx18/cx18-mailbox.c index eb5c31af6..89a45f51f 100644 --- a/linux/drivers/media/video/cx18/cx18-mailbox.c +++ b/linux/drivers/media/video/cx18/cx18-mailbox.c @@ -82,8 +82,9 @@ static const struct cx18_api_info api_info[] = { API_ENTRY(CPU, CX18_CPU_GET_ENC_PTS, 0), 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, API_SLOW), + API_ENTRY(APU, CX18_APU_RESETAI, 0), + API_ENTRY(CPU, CX18_CPU_DEBUG_PEEK32, 0), API_ENTRY(0, 0, 0), }; @@ -612,8 +613,9 @@ static int cx18_set_filter_param(struct cx18_stream *s) int cx18_api_func(void *priv, u32 cmd, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]) { - struct cx18 *cx = priv; - struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; + struct cx18_api_func_private *api_priv = priv; + struct cx18 *cx = api_priv->cx; + struct cx18_stream *s = api_priv->s; switch (cmd) { case CX2341X_ENC_SET_OUTPUT_PORT: diff --git a/linux/drivers/media/video/cx18/cx18-mailbox.h b/linux/drivers/media/video/cx18/cx18-mailbox.h index 35104458e..a667f1ae4 100644 --- a/linux/drivers/media/video/cx18/cx18-mailbox.h +++ b/linux/drivers/media/video/cx18/cx18-mailbox.h @@ -79,6 +79,13 @@ struct cx18_mailbox { u32 error; }; +struct cx18_stream; + +struct cx18_api_func_private { + struct cx18 *cx; + struct cx18_stream *s; +}; + int cx18_api(struct cx18 *cx, u32 cmd, int args, u32 data[]); int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS], u32 cmd, int args, ...); diff --git a/linux/drivers/media/video/cx18/cx18-queue.c b/linux/drivers/media/video/cx18/cx18-queue.c index a6b0666f0..8d9441e88 100644 --- a/linux/drivers/media/video/cx18/cx18-queue.c +++ b/linux/drivers/media/video/cx18/cx18-queue.c @@ -55,8 +55,9 @@ struct cx18_queue *_cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, mutex_lock(&s->qlock); - /* q_busy is restricted to 63 buffers to stay within firmware limits */ - if (q == &s->q_busy && atomic_read(&q->buffers) >= 63) + /* q_busy is restricted to a max buffer count imposed by firmware */ + if (q == &s->q_busy && + atomic_read(&q->buffers) >= CX18_MAX_FW_MDLS_PER_STREAM) q = &s->q_free; if (to_front) @@ -76,8 +77,8 @@ struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q) mutex_lock(&s->qlock); if (!list_empty(&q->list)) { - buf = list_entry(q->list.next, struct cx18_buffer, list); - list_del_init(q->list.next); + buf = list_first_entry(&q->list, struct cx18_buffer, list); + list_del_init(&buf->list); q->bytesused -= buf->bytesused - buf->readpos; buf->skipped = 0; atomic_dec(&q->buffers); @@ -91,13 +92,11 @@ struct cx18_buffer *cx18_queue_get_buf(struct cx18_stream *s, u32 id, { struct cx18 *cx = s->cx; struct cx18_buffer *buf; + struct cx18_buffer *tmp; struct cx18_buffer *ret = NULL; - struct list_head *p, *t; mutex_lock(&s->qlock); - list_for_each_safe(p, t, &s->q_busy.list) { - buf = list_entry(p, struct cx18_buffer, list); - + list_for_each_entry_safe(buf, tmp, &s->q_busy.list, list) { if (buf->id != id) { buf->skipped++; if (buf->skipped >= atomic_read(&s->q_busy.buffers)-1) { @@ -151,8 +150,8 @@ static void cx18_queue_flush(struct cx18_stream *s, struct cx18_queue *q) mutex_lock(&s->qlock); 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 = list_first_entry(&q->list, struct cx18_buffer, list); + list_move_tail(&buf->list, &s->q_free.list); buf->bytesused = buf->readpos = buf->b_flags = buf->skipped = 0; atomic_inc(&s->q_free.buffers); } diff --git a/linux/drivers/media/video/cx18/cx18-scb.c b/linux/drivers/media/video/cx18/cx18-scb.c index ac18bd932..34b4d03c5 100644 --- a/linux/drivers/media/video/cx18/cx18-scb.c +++ b/linux/drivers/media/video/cx18/cx18-scb.c @@ -118,6 +118,5 @@ void cx18_init_scb(struct cx18 *cx) cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu_state), &cx->scb->ipc_offset); - 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 9ed542624..f9e44c0cf 100644 --- a/linux/drivers/media/video/cx18/cx18-streams.c +++ b/linux/drivers/media/video/cx18/cx18-streams.c @@ -425,7 +425,7 @@ void cx18_stream_load_fw_queue(struct cx18_stream *s) struct cx18_buffer *buf; if (atomic_read(&s->q_free.buffers) == 0 || - atomic_read(&s->q_busy.buffers) >= 63) + atomic_read(&s->q_busy.buffers) >= CX18_MAX_FW_MDLS_PER_STREAM) return; /* Move from q_free to q_busy notifying the firmware, until the limit */ @@ -434,14 +434,14 @@ void cx18_stream_load_fw_queue(struct cx18_stream *s) if (buf == NULL) break; q = cx18_stream_put_buf_fw(s, buf); - } while (atomic_read(&s->q_busy.buffers) < 63 && q == &s->q_busy); + } while (atomic_read(&s->q_busy.buffers) < CX18_MAX_FW_MDLS_PER_STREAM + && q == &s->q_busy); } int cx18_start_v4l2_encode_stream(struct cx18_stream *s) { u32 data[MAX_MB_ARGUMENTS]; struct cx18 *cx = s->cx; - struct list_head *p; struct cx18_buffer *buf; int ts = 0; int captype = 0; @@ -494,6 +494,8 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) cx18_vapi(cx, CX18_CPU_SET_CHANNEL_TYPE, 2, s->handle, captype); if (atomic_read(&cx->ana_capturing) == 0 && !ts) { + struct cx18_api_func_private priv; + /* Stuff from Windows, we don't know what it is */ cx18_vapi(cx, CX18_CPU_SET_VER_CROP_LINE, 2, s->handle, 0); cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 3, 1); @@ -513,7 +515,9 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) cx18_vapi_result(cx, data, CX18_CPU_SET_INDEXTABLE, 1, 0); /* Setup API for Stream */ - cx2341x_update(cx, cx18_api_func, NULL, &cx->params); + priv.cx = cx; + priv.s = s; + cx2341x_update(&priv, cx18_api_func, NULL, &cx->params); } if (atomic_read(&cx->tot_capturing) == 0) { @@ -528,8 +532,7 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) /* Init all the cpu_mdls for this stream */ cx18_flush_queues(s); mutex_lock(&s->qlock); - list_for_each(p, &s->q_free.list) { - buf = list_entry(p, struct cx18_buffer, list); + list_for_each_entry(buf, &s->q_free.list, list) { 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); diff --git a/linux/drivers/media/video/cx18/cx23418.h b/linux/drivers/media/video/cx18/cx23418.h index 668f968d7..601f3a2ab 100644 --- a/linux/drivers/media/video/cx18/cx23418.h +++ b/linux/drivers/media/video/cx18/cx23418.h @@ -44,6 +44,7 @@ /* All commands for CPU have the following mask set */ #define CPU_CMD_MASK 0x20000000 +#define CPU_CMD_MASK_DEBUG (CPU_CMD_MASK | 0x00000000) #define CPU_CMD_MASK_ACK (CPU_CMD_MASK | 0x80000000) #define CPU_CMD_MASK_CAPTURE (CPU_CMD_MASK | 0x00020000) #define CPU_CMD_MASK_TS (CPU_CMD_MASK | 0x00040000) @@ -71,6 +72,11 @@ 0/zero/NULL means "I have nothing to say" */ #define CX18_EPU_DEBUG (EPU_CMD_MASK_DEBUG | 0x0003) +/* Reads memory/registers (32-bit) + IN[0] - Address + OUT[1] - Value */ +#define CX18_CPU_DEBUG_PEEK32 (CPU_CMD_MASK_DEBUG | 0x0003) + /* Description: This command starts streaming with the set channel type IN[0] - Task handle. Handle of the task to start ReturnCode - One of the ERR_CAPTURE_... */ |