From 41e840b13e111ba18b138d055ddd250bd5ad5e39 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Wed, 2 Dec 2009 21:57:10 -0300 Subject: V4L/DVB (13699): [Mantis, MB86A16] Initial checkin: Mantis, MB86A16 Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_dma.c | 238 ++++++++++++++++++++++++++++++++++ 1 file changed, 238 insertions(+) create mode 100644 drivers/media/dvb/mantis/mantis_dma.c (limited to 'drivers/media/dvb/mantis/mantis_dma.c') diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c new file mode 100644 index 0000000..9e3aa5e --- /dev/null +++ b/drivers/media/dvb/mantis/mantis_dma.c @@ -0,0 +1,238 @@ +/* + Mantis PCI bridge driver + + Copyright (C) 2005, 2006 Manu Abraham (abraham.manu@gmail.com) + + 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 +#include +#include "mantis_common.h" + +#define RISC_WRITE (0x01 << 28) +#define RISC_JUMP (0x07 << 28) +#define RISC_IRQ (0x01 << 24) + +#define RISC_STATUS(status) ((((~status) & 0x0f) << 20) | ((status & 0x0f) << 16)) +#define RISC_FLUSH() mantis->risc_pos = 0 +#define RISC_INSTR(opcode) mantis->risc_cpu[mantis->risc_pos++] = cpu_to_le32(opcode) + +#define MANTIS_BUF_SIZE 64 * 1024 +#define MANTIS_BLOCK_BYTES (MANTIS_BUF_SIZE >> 4) +#define MANTIS_BLOCK_COUNT (1 << 4) +#define MANTIS_RISC_SIZE PAGE_SIZE + +int mantis_dma_exit(struct mantis_pci *mantis) +{ + if (mantis->buf_cpu) { + dprintk(verbose, MANTIS_ERROR, 1, + "DMA=0x%lx cpu=0x%p size=%d", + (unsigned long) mantis->buf_dma, + mantis->buf_cpu, + MANTIS_BUF_SIZE); + + pci_free_consistent(mantis->pdev, MANTIS_BUF_SIZE, + mantis->buf_cpu, mantis->buf_dma); + + mantis->buf_cpu = NULL; + } + if (mantis->risc_cpu) { + dprintk(verbose, MANTIS_ERROR, 1, + "RISC=0x%lx cpu=0x%p size=%lx", + (unsigned long) mantis->risc_dma, + mantis->risc_cpu, + MANTIS_RISC_SIZE); + + pci_free_consistent(mantis->pdev, MANTIS_RISC_SIZE, + mantis->risc_cpu, mantis->risc_dma); + + mantis->risc_cpu = NULL; + } + + return 0; +} + +static inline int mantis_alloc_buffers(struct mantis_pci *mantis) +{ + if (!mantis->buf_cpu) { + mantis->buf_cpu = pci_alloc_consistent(mantis->pdev, + MANTIS_BUF_SIZE, + &mantis->buf_dma); + if (!mantis->buf_cpu) { + dprintk(verbose, MANTIS_ERROR, 1, + "DMA buffer allocation failed"); + + goto err; + } + dprintk(verbose, MANTIS_ERROR, 1, + "DMA=0x%lx cpu=0x%p size=%d", + (unsigned long) mantis->buf_dma, + mantis->buf_cpu, MANTIS_BUF_SIZE); + } + if (!mantis->risc_cpu) { + mantis->risc_cpu = pci_alloc_consistent(mantis->pdev, + MANTIS_RISC_SIZE, + &mantis->risc_dma); + + if (!mantis->risc_cpu) { + dprintk(verbose, MANTIS_ERROR, 1, + "RISC program allocation failed"); + + mantis_dma_exit(mantis); + + goto err; + } + dprintk(verbose, MANTIS_ERROR, 1, + "RISC=0x%lx cpu=0x%p size=%lx", + (unsigned long) mantis->risc_dma, + mantis->risc_cpu, MANTIS_RISC_SIZE); + } + + return 0; +err: + dprintk(verbose, MANTIS_ERROR, 1, "Out of memory (?) ....."); + return -ENOMEM; +} + +static inline int mantis_calc_lines(struct mantis_pci *mantis) +{ + mantis->line_bytes = MANTIS_BLOCK_BYTES; + mantis->line_count = MANTIS_BLOCK_COUNT; + + while (mantis->line_bytes > 4095) { + mantis->line_bytes >>= 1; + mantis->line_count <<= 1; + } + + dprintk(verbose, MANTIS_DEBUG, 1, + "Mantis RISC block bytes=[%d], line bytes=[%d], line count=[%d]", + MANTIS_BLOCK_BYTES, mantis->line_bytes, mantis->line_count); + + if (mantis->line_count > 255) { + dprintk(verbose, MANTIS_ERROR, 1, "Buffer size error"); + return -EINVAL; + } + + return 0; +} + +int mantis_dma_init(struct mantis_pci *mantis) +{ + int err = 0; + + dprintk(verbose, MANTIS_DEBUG, 1, "Mantis DMA init"); + if (mantis_alloc_buffers(mantis) < 0) { + dprintk(verbose, MANTIS_ERROR, 1, "Error allocating DMA buffer"); + + // Stop RISC Engine +// mmwrite(mmread(MANTIS_DMA_CTL) & ~MANTIS_RISC_EN, MANTIS_DMA_CTL); + mmwrite(0, MANTIS_DMA_CTL); + + goto err; + } + if ((err = mantis_calc_lines(mantis)) < 0) { + dprintk(verbose, MANTIS_ERROR, 1, "Mantis calc lines failed"); + + goto err; + } + + return 0; +err: + return err; +} + + + +static inline void mantis_risc_program(struct mantis_pci *mantis) +{ + u32 buf_pos = 0; + u32 line; + + dprintk(verbose, MANTIS_DEBUG, 1, "Mantis create RISC program"); + RISC_FLUSH(); + + dprintk(verbose, MANTIS_DEBUG, 1, "risc len lines %u, bytes per line %u", + mantis->line_count, mantis->line_bytes); + + for (line = 0; line < mantis->line_count; line++) { + dprintk(verbose, MANTIS_DEBUG, 1, "RISC PROG line=[%d]", line); + if (!(buf_pos % MANTIS_BLOCK_BYTES)) { + RISC_INSTR(RISC_WRITE | + RISC_IRQ | + RISC_STATUS(((buf_pos / MANTIS_BLOCK_BYTES) + + (MANTIS_BLOCK_COUNT - 1)) % + MANTIS_BLOCK_COUNT) | + mantis->line_bytes); + } else { + RISC_INSTR(RISC_WRITE | mantis->line_bytes); + } + RISC_INSTR(mantis->buf_dma + buf_pos); + buf_pos += mantis->line_bytes; + } + RISC_INSTR(RISC_JUMP); + RISC_INSTR(mantis->risc_dma); +} + +void mantis_dma_start(struct mantis_pci *mantis) +{ + dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Start DMA engine"); + + mantis_risc_program(mantis); + mmwrite(cpu_to_le32(mantis->risc_dma), MANTIS_RISC_START); + mmwrite(MANTIS_GPIF_RDWRN, MANTIS_GPIF_ADDR); + + mmwrite(0, MANTIS_DMA_CTL); + mantis->last_block = mantis->finished_block = 0; + + mmwrite(mmread(MANTIS_INT_MASK) | MANTIS_INT_RISCI, MANTIS_INT_MASK); + + mmwrite(MANTIS_FIFO_EN | MANTIS_DCAP_EN + | MANTIS_RISC_EN, MANTIS_DMA_CTL); + +} + +void mantis_dma_stop(struct mantis_pci *mantis) +{ + u32 stat = 0, mask = 0; + + stat = mmread(MANTIS_INT_STAT); + mask = mmread(MANTIS_INT_MASK); + dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Stop DMA engine"); + + mmwrite((mmread(MANTIS_DMA_CTL) & ~(MANTIS_FIFO_EN | + MANTIS_DCAP_EN | + MANTIS_RISC_EN)), MANTIS_DMA_CTL); + + mmwrite(mmread(MANTIS_INT_STAT), MANTIS_INT_STAT); + + mmwrite(mmread(MANTIS_INT_MASK) & ~(MANTIS_INT_RISCI | + MANTIS_INT_RISCEN), MANTIS_INT_MASK); +} + + +void mantis_dma_xfer(unsigned long data) +{ + struct mantis_pci *mantis = (struct mantis_pci *) data; + + while (mantis->last_block != mantis->finished_block) { + dprintk(verbose, MANTIS_DEBUG, 1, "last block=[%d] finished block=[%d]", + mantis->last_block, mantis->finished_block); + + (mantis->ts_size ? dvb_dmx_swfilter_204: dvb_dmx_swfilter) + (&mantis->demux, &mantis->buf_cpu[mantis->last_block * MANTIS_BLOCK_BYTES], MANTIS_BLOCK_BYTES); + mantis->last_block = (mantis->last_block + 1) % MANTIS_BLOCK_COUNT; + } +} -- cgit v1.1 From 01a8c3eebb3c83df337f88332756f16154cecc0f Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Thu, 3 Dec 2009 05:38:33 -0300 Subject: V4L/DVB (13710): [Mantis] FIX: Use swfilter (188/204) accordingly Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_dma.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers/media/dvb/mantis/mantis_dma.c') diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c index 9e3aa5e..b8fd1c7 100644 --- a/drivers/media/dvb/mantis/mantis_dma.c +++ b/drivers/media/dvb/mantis/mantis_dma.c @@ -154,8 +154,6 @@ err: return err; } - - static inline void mantis_risc_program(struct mantis_pci *mantis) { u32 buf_pos = 0; -- cgit v1.1 From e4deee04ffda9b44f367a40dbad8306ab88cb321 Mon Sep 17 00:00:00 2001 From: Marko Ristola Date: Thu, 3 Dec 2009 05:39:22 -0300 Subject: V4L/DVB (13711): [Mantis] FIX: Do nor toggle GPIF status Signed-off-by: Marko Ristola Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_dma.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/media/dvb/mantis/mantis_dma.c') diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c index b8fd1c7..e207870 100644 --- a/drivers/media/dvb/mantis/mantis_dma.c +++ b/drivers/media/dvb/mantis/mantis_dma.c @@ -190,7 +190,8 @@ void mantis_dma_start(struct mantis_pci *mantis) mantis_risc_program(mantis); mmwrite(cpu_to_le32(mantis->risc_dma), MANTIS_RISC_START); - mmwrite(MANTIS_GPIF_RDWRN, MANTIS_GPIF_ADDR); +// mmwrite(MANTIS_GPIF_RDWRN, MANTIS_GPIF_ADDR); + mmwrite(mmread(MANTIS_GPIF_ADDR) | MANTIS_GPIF_RDWRN, MANTIS_GPIF_ADDR); mmwrite(0, MANTIS_DMA_CTL); mantis->last_block = mantis->finished_block = 0; @@ -210,6 +211,8 @@ void mantis_dma_stop(struct mantis_pci *mantis) mask = mmread(MANTIS_INT_MASK); dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Stop DMA engine"); + mmwrite((mmread(MANTIS_GPIF_ADDR) & (~(MANTIS_GPIF_RDWRN))), MANTIS_GPIF_ADDR); + mmwrite((mmread(MANTIS_DMA_CTL) & ~(MANTIS_FIFO_EN | MANTIS_DCAP_EN | MANTIS_RISC_EN)), MANTIS_DMA_CTL); -- cgit v1.1 From 33c79630dd9fb7658dbb885a22e3a8127b16a38a Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Thu, 3 Dec 2009 05:44:38 -0300 Subject: V4L/DVB (13714): [MB86A16] FIX/Code simplification: use hwconfig->ts_size instead of ts_size thanks to Marko Ristola for pointing it out Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/media/dvb/mantis/mantis_dma.c') diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c index e207870..ea23a89 100644 --- a/drivers/media/dvb/mantis/mantis_dma.c +++ b/drivers/media/dvb/mantis/mantis_dma.c @@ -190,7 +190,6 @@ void mantis_dma_start(struct mantis_pci *mantis) mantis_risc_program(mantis); mmwrite(cpu_to_le32(mantis->risc_dma), MANTIS_RISC_START); -// mmwrite(MANTIS_GPIF_RDWRN, MANTIS_GPIF_ADDR); mmwrite(mmread(MANTIS_GPIF_ADDR) | MANTIS_GPIF_RDWRN, MANTIS_GPIF_ADDR); mmwrite(0, MANTIS_DMA_CTL); @@ -227,12 +226,13 @@ void mantis_dma_stop(struct mantis_pci *mantis) void mantis_dma_xfer(unsigned long data) { struct mantis_pci *mantis = (struct mantis_pci *) data; + struct mantis_hwconfig *config = mantis->hwconfig; while (mantis->last_block != mantis->finished_block) { dprintk(verbose, MANTIS_DEBUG, 1, "last block=[%d] finished block=[%d]", mantis->last_block, mantis->finished_block); - (mantis->ts_size ? dvb_dmx_swfilter_204: dvb_dmx_swfilter) + (config->ts_size ? dvb_dmx_swfilter_204: dvb_dmx_swfilter) (&mantis->demux, &mantis->buf_cpu[mantis->last_block * MANTIS_BLOCK_BYTES], MANTIS_BLOCK_BYTES); mantis->last_block = (mantis->last_block + 1) % MANTIS_BLOCK_COUNT; } -- cgit v1.1 From 417036844823313901d7f7d7b963f215cc3b0641 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Thu, 3 Dec 2009 05:47:11 -0300 Subject: V4L/DVB (13716): [Mantis] Bug: incorrect byte swap You know, the worst endianness errors are not the cases where people forget to byte-swap, but the cases where they either byte-swap with the wrong size, or byte-swap when they shouldn't have done so at all. Those ones defeat the casual reader of the code. Signed-off-by: David Woodhouse Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/media/dvb/mantis/mantis_dma.c') diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c index ea23a89..f685992 100644 --- a/drivers/media/dvb/mantis/mantis_dma.c +++ b/drivers/media/dvb/mantis/mantis_dma.c @@ -189,7 +189,7 @@ void mantis_dma_start(struct mantis_pci *mantis) dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Start DMA engine"); mantis_risc_program(mantis); - mmwrite(cpu_to_le32(mantis->risc_dma), MANTIS_RISC_START); + mmwrite(mantis->risc_dma, MANTIS_RISC_START); mmwrite(mmread(MANTIS_GPIF_ADDR) | MANTIS_GPIF_RDWRN, MANTIS_GPIF_ADDR); mmwrite(0, MANTIS_DMA_CTL); -- cgit v1.1 From d8b14f8a76d71c84622a211f57baf15f61cc9703 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Fri, 4 Dec 2009 05:09:47 -0300 Subject: V4L/DVB (13741): [Mantis] Implement HIF Mem Read/Write operations Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/media/dvb/mantis/mantis_dma.c') diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c index f685992..250f49a 100644 --- a/drivers/media/dvb/mantis/mantis_dma.c +++ b/drivers/media/dvb/mantis/mantis_dma.c @@ -190,7 +190,7 @@ void mantis_dma_start(struct mantis_pci *mantis) mantis_risc_program(mantis); mmwrite(mantis->risc_dma, MANTIS_RISC_START); - mmwrite(mmread(MANTIS_GPIF_ADDR) | MANTIS_GPIF_RDWRN, MANTIS_GPIF_ADDR); + mmwrite(mmread(MANTIS_GPIF_HIFADDR) | MANTIS_GPIF_HIFRDWRN, MANTIS_GPIF_HIFADDR); mmwrite(0, MANTIS_DMA_CTL); mantis->last_block = mantis->finished_block = 0; @@ -210,7 +210,7 @@ void mantis_dma_stop(struct mantis_pci *mantis) mask = mmread(MANTIS_INT_MASK); dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Stop DMA engine"); - mmwrite((mmread(MANTIS_GPIF_ADDR) & (~(MANTIS_GPIF_RDWRN))), MANTIS_GPIF_ADDR); + mmwrite((mmread(MANTIS_GPIF_HIFADDR) & (~(MANTIS_GPIF_HIFRDWRN))), MANTIS_GPIF_HIFADDR); mmwrite((mmread(MANTIS_DMA_CTL) & ~(MANTIS_FIFO_EN | MANTIS_DCAP_EN | -- cgit v1.1 From a0c59063a7fe92524ab8fa6e31997b177a8f3029 Mon Sep 17 00:00:00 2001 From: Sigmund Augdal Date: Fri, 4 Dec 2009 05:13:21 -0300 Subject: V4L/DVB (13747): [Mantis] Bug Fix!: Use Register Address rather than register field Signed-off-by: Sigmund Augdal Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/media/dvb/mantis/mantis_dma.c') diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c index 250f49a..d15a1eb 100644 --- a/drivers/media/dvb/mantis/mantis_dma.c +++ b/drivers/media/dvb/mantis/mantis_dma.c @@ -190,7 +190,7 @@ void mantis_dma_start(struct mantis_pci *mantis) mantis_risc_program(mantis); mmwrite(mantis->risc_dma, MANTIS_RISC_START); - mmwrite(mmread(MANTIS_GPIF_HIFADDR) | MANTIS_GPIF_HIFRDWRN, MANTIS_GPIF_HIFADDR); + mmwrite(mmread(MANTIS_GPIF_ADDR) | MANTIS_GPIF_HIFRDWRN, MANTIS_GPIF_ADDR); mmwrite(0, MANTIS_DMA_CTL); mantis->last_block = mantis->finished_block = 0; @@ -210,7 +210,7 @@ void mantis_dma_stop(struct mantis_pci *mantis) mask = mmread(MANTIS_INT_MASK); dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Stop DMA engine"); - mmwrite((mmread(MANTIS_GPIF_HIFADDR) & (~(MANTIS_GPIF_HIFRDWRN))), MANTIS_GPIF_HIFADDR); + mmwrite((mmread(MANTIS_GPIF_ADDR) & (~(MANTIS_GPIF_HIFRDWRN))), MANTIS_GPIF_ADDR); mmwrite((mmread(MANTIS_DMA_CTL) & ~(MANTIS_FIFO_EN | MANTIS_DCAP_EN | -- cgit v1.1 From b3b961448f702339444036f94252ff2ba7a99feb Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Fri, 4 Dec 2009 05:41:11 -0300 Subject: V4L/DVB (13795): [Mantis/Hopper] Code overhaul, add Hopper devices into the PCI ID list Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_dma.c | 55 +++++++++++++++++++++++------------ 1 file changed, 36 insertions(+), 19 deletions(-) (limited to 'drivers/media/dvb/mantis/mantis_dma.c') diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c index d15a1eb..8ebcd96 100644 --- a/drivers/media/dvb/mantis/mantis_dma.c +++ b/drivers/media/dvb/mantis/mantis_dma.c @@ -18,9 +18,25 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include #include #include +#include + +#include +#include +#include +#include + +#include "dmxdev.h" +#include "dvbdev.h" +#include "dvb_demux.h" +#include "dvb_frontend.h" +#include "dvb_net.h" + #include "mantis_common.h" +#include "mantis_reg.h" +#include "mantis_dma.h" #define RISC_WRITE (0x01 << 28) #define RISC_JUMP (0x07 << 28) @@ -38,7 +54,7 @@ int mantis_dma_exit(struct mantis_pci *mantis) { if (mantis->buf_cpu) { - dprintk(verbose, MANTIS_ERROR, 1, + dprintk(MANTIS_ERROR, 1, "DMA=0x%lx cpu=0x%p size=%d", (unsigned long) mantis->buf_dma, mantis->buf_cpu, @@ -50,7 +66,7 @@ int mantis_dma_exit(struct mantis_pci *mantis) mantis->buf_cpu = NULL; } if (mantis->risc_cpu) { - dprintk(verbose, MANTIS_ERROR, 1, + dprintk(MANTIS_ERROR, 1, "RISC=0x%lx cpu=0x%p size=%lx", (unsigned long) mantis->risc_dma, mantis->risc_cpu, @@ -64,6 +80,7 @@ int mantis_dma_exit(struct mantis_pci *mantis) return 0; } +EXPORT_SYMBOL_GPL(mantis_dma_exit); static inline int mantis_alloc_buffers(struct mantis_pci *mantis) { @@ -72,12 +89,12 @@ static inline int mantis_alloc_buffers(struct mantis_pci *mantis) MANTIS_BUF_SIZE, &mantis->buf_dma); if (!mantis->buf_cpu) { - dprintk(verbose, MANTIS_ERROR, 1, + dprintk(MANTIS_ERROR, 1, "DMA buffer allocation failed"); goto err; } - dprintk(verbose, MANTIS_ERROR, 1, + dprintk(MANTIS_ERROR, 1, "DMA=0x%lx cpu=0x%p size=%d", (unsigned long) mantis->buf_dma, mantis->buf_cpu, MANTIS_BUF_SIZE); @@ -88,14 +105,14 @@ static inline int mantis_alloc_buffers(struct mantis_pci *mantis) &mantis->risc_dma); if (!mantis->risc_cpu) { - dprintk(verbose, MANTIS_ERROR, 1, + dprintk(MANTIS_ERROR, 1, "RISC program allocation failed"); mantis_dma_exit(mantis); goto err; } - dprintk(verbose, MANTIS_ERROR, 1, + dprintk(MANTIS_ERROR, 1, "RISC=0x%lx cpu=0x%p size=%lx", (unsigned long) mantis->risc_dma, mantis->risc_cpu, MANTIS_RISC_SIZE); @@ -103,7 +120,7 @@ static inline int mantis_alloc_buffers(struct mantis_pci *mantis) return 0; err: - dprintk(verbose, MANTIS_ERROR, 1, "Out of memory (?) ....."); + dprintk(MANTIS_ERROR, 1, "Out of memory (?) ....."); return -ENOMEM; } @@ -117,12 +134,11 @@ static inline int mantis_calc_lines(struct mantis_pci *mantis) mantis->line_count <<= 1; } - dprintk(verbose, MANTIS_DEBUG, 1, - "Mantis RISC block bytes=[%d], line bytes=[%d], line count=[%d]", + dprintk(MANTIS_DEBUG, 1, "Mantis RISC block bytes=[%d], line bytes=[%d], line count=[%d]", MANTIS_BLOCK_BYTES, mantis->line_bytes, mantis->line_count); if (mantis->line_count > 255) { - dprintk(verbose, MANTIS_ERROR, 1, "Buffer size error"); + dprintk(MANTIS_ERROR, 1, "Buffer size error"); return -EINVAL; } @@ -133,9 +149,9 @@ int mantis_dma_init(struct mantis_pci *mantis) { int err = 0; - dprintk(verbose, MANTIS_DEBUG, 1, "Mantis DMA init"); + dprintk(MANTIS_DEBUG, 1, "Mantis DMA init"); if (mantis_alloc_buffers(mantis) < 0) { - dprintk(verbose, MANTIS_ERROR, 1, "Error allocating DMA buffer"); + dprintk(MANTIS_ERROR, 1, "Error allocating DMA buffer"); // Stop RISC Engine // mmwrite(mmread(MANTIS_DMA_CTL) & ~MANTIS_RISC_EN, MANTIS_DMA_CTL); @@ -144,7 +160,7 @@ int mantis_dma_init(struct mantis_pci *mantis) goto err; } if ((err = mantis_calc_lines(mantis)) < 0) { - dprintk(verbose, MANTIS_ERROR, 1, "Mantis calc lines failed"); + dprintk(MANTIS_ERROR, 1, "Mantis calc lines failed"); goto err; } @@ -153,20 +169,21 @@ int mantis_dma_init(struct mantis_pci *mantis) err: return err; } +EXPORT_SYMBOL_GPL(mantis_dma_init); static inline void mantis_risc_program(struct mantis_pci *mantis) { u32 buf_pos = 0; u32 line; - dprintk(verbose, MANTIS_DEBUG, 1, "Mantis create RISC program"); + dprintk(MANTIS_DEBUG, 1, "Mantis create RISC program"); RISC_FLUSH(); - dprintk(verbose, MANTIS_DEBUG, 1, "risc len lines %u, bytes per line %u", + dprintk(MANTIS_DEBUG, 1, "risc len lines %u, bytes per line %u", mantis->line_count, mantis->line_bytes); for (line = 0; line < mantis->line_count; line++) { - dprintk(verbose, MANTIS_DEBUG, 1, "RISC PROG line=[%d]", line); + dprintk(MANTIS_DEBUG, 1, "RISC PROG line=[%d]", line); if (!(buf_pos % MANTIS_BLOCK_BYTES)) { RISC_INSTR(RISC_WRITE | RISC_IRQ | @@ -186,7 +203,7 @@ static inline void mantis_risc_program(struct mantis_pci *mantis) void mantis_dma_start(struct mantis_pci *mantis) { - dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Start DMA engine"); + dprintk(MANTIS_DEBUG, 1, "Mantis Start DMA engine"); mantis_risc_program(mantis); mmwrite(mantis->risc_dma, MANTIS_RISC_START); @@ -208,7 +225,7 @@ void mantis_dma_stop(struct mantis_pci *mantis) stat = mmread(MANTIS_INT_STAT); mask = mmread(MANTIS_INT_MASK); - dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Stop DMA engine"); + dprintk(MANTIS_DEBUG, 1, "Mantis Stop DMA engine"); mmwrite((mmread(MANTIS_GPIF_ADDR) & (~(MANTIS_GPIF_HIFRDWRN))), MANTIS_GPIF_ADDR); @@ -229,7 +246,7 @@ void mantis_dma_xfer(unsigned long data) struct mantis_hwconfig *config = mantis->hwconfig; while (mantis->last_block != mantis->finished_block) { - dprintk(verbose, MANTIS_DEBUG, 1, "last block=[%d] finished block=[%d]", + dprintk(MANTIS_DEBUG, 1, "last block=[%d] finished block=[%d]", mantis->last_block, mantis->finished_block); (config->ts_size ? dvb_dmx_swfilter_204: dvb_dmx_swfilter) -- cgit v1.1 From 3e978a8284080d801d20cda377d9cf7c12fe68b9 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Fri, 4 Dec 2009 05:56:35 -0300 Subject: V4L/DVB (13797): [Mantis/Hopper/TDA665x] Large overhaul, * Initial go at VP-3028, VP-3030 devices. * I2C communication improvements, * Add TDA665x support Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_dma.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/media/dvb/mantis/mantis_dma.c') diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c index 8ebcd96..eab3645 100644 --- a/drivers/media/dvb/mantis/mantis_dma.c +++ b/drivers/media/dvb/mantis/mantis_dma.c @@ -153,8 +153,7 @@ int mantis_dma_init(struct mantis_pci *mantis) if (mantis_alloc_buffers(mantis) < 0) { dprintk(MANTIS_ERROR, 1, "Error allocating DMA buffer"); - // Stop RISC Engine -// mmwrite(mmread(MANTIS_DMA_CTL) & ~MANTIS_RISC_EN, MANTIS_DMA_CTL); + /* Stop RISC Engine */ mmwrite(0, MANTIS_DMA_CTL); goto err; -- cgit v1.1 From f5ae4f6f482191c531ea9e50ac91d9bd2ffca171 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Tue, 15 Dec 2009 08:47:21 -0300 Subject: V4L/DVB (13809): Fix Checkpatch violations Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_dma.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'drivers/media/dvb/mantis/mantis_dma.c') diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c index eab3645..adad1f3 100644 --- a/drivers/media/dvb/mantis/mantis_dma.c +++ b/drivers/media/dvb/mantis/mantis_dma.c @@ -43,10 +43,10 @@ #define RISC_IRQ (0x01 << 24) #define RISC_STATUS(status) ((((~status) & 0x0f) << 20) | ((status & 0x0f) << 16)) -#define RISC_FLUSH() mantis->risc_pos = 0 -#define RISC_INSTR(opcode) mantis->risc_cpu[mantis->risc_pos++] = cpu_to_le32(opcode) +#define RISC_FLUSH() (mantis->risc_pos = 0) +#define RISC_INSTR(opcode) (mantis->risc_cpu[mantis->risc_pos++] = cpu_to_le32(opcode)) -#define MANTIS_BUF_SIZE 64 * 1024 +#define MANTIS_BUF_SIZE (64 * 1024) #define MANTIS_BLOCK_BYTES (MANTIS_BUF_SIZE >> 4) #define MANTIS_BLOCK_COUNT (1 << 4) #define MANTIS_RISC_SIZE PAGE_SIZE @@ -158,7 +158,8 @@ int mantis_dma_init(struct mantis_pci *mantis) goto err; } - if ((err = mantis_calc_lines(mantis)) < 0) { + err = mantis_calc_lines(mantis); + if (err < 0) { dprintk(MANTIS_ERROR, 1, "Mantis calc lines failed"); goto err; @@ -248,7 +249,7 @@ void mantis_dma_xfer(unsigned long data) dprintk(MANTIS_DEBUG, 1, "last block=[%d] finished block=[%d]", mantis->last_block, mantis->finished_block); - (config->ts_size ? dvb_dmx_swfilter_204: dvb_dmx_swfilter) + (config->ts_size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter) (&mantis->demux, &mantis->buf_cpu[mantis->last_block * MANTIS_BLOCK_BYTES], MANTIS_BLOCK_BYTES); mantis->last_block = (mantis->last_block + 1) % MANTIS_BLOCK_COUNT; } -- cgit v1.1 From 8825a0970cef408fb2f1a44e3cb05d6ba41a18db Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Tue, 15 Dec 2009 09:13:49 -0300 Subject: V4L/DVB (13812): [Mantis/Hopper] Update Copyright header Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/media/dvb/mantis/mantis_dma.c') diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c index adad1f3..46202a4 100644 --- a/drivers/media/dvb/mantis/mantis_dma.c +++ b/drivers/media/dvb/mantis/mantis_dma.c @@ -1,7 +1,7 @@ /* Mantis PCI bridge driver - Copyright (C) 2005, 2006 Manu Abraham (abraham.manu@gmail.com) + Copyright (C) Manu Abraham (abraham.manu@gmail.com) 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 -- cgit v1.1