From add206368462434ba97e8fe4de98e5d47ffdb0a0 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Fri, 4 Dec 2009 05:39:57 -0300 Subject: V4L/DVB (13794): [Mantis/VP-3028] Initial go at Serial interface implementation, add support for VP-3028 Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_uart.c | 139 +++++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) create mode 100644 drivers/media/dvb/mantis/mantis_uart.c (limited to 'drivers/media/dvb/mantis/mantis_uart.c') diff --git a/drivers/media/dvb/mantis/mantis_uart.c b/drivers/media/dvb/mantis/mantis_uart.c new file mode 100644 index 00000000000..786fcc33911 --- /dev/null +++ b/drivers/media/dvb/mantis/mantis_uart.c @@ -0,0 +1,139 @@ +#include +#include "mantis_common.h" + +struct mantis_uart_params { + enum mantis_baud baud_rate; + enum mantis_parity parity; +}; + +#define UART_MAX_BUF 16 + +int mantis_uart_read(struct mantis_pci *mantis, u8 *data) +{ + struct mantis_hwconfig *config = mantis->hwconfig; + u32 stat, i; + unsigned long flags; + + /* get data */ + for (i = 0; i < (config->bytes + 1); i++) { + + if (stat & MANTIS_UART_RXFIFO_FULL) { + dprintk(verbose, MANTIS_ERROR, 1, "RX Fifo FULL"); + } + data[i] = mmread(MANTIS_UART_RXD) & 0x3f; + + stat = mmread(MANTIS_UART_STAT); + + dprintk(verbose, MANTIS_DEBUG, 1, "Reading ... <%02x>", data[i] & 0x3f); + + if (data[i] & (1 << 7)) { + dprintk(verbose, MANTIS_ERROR, 1, "UART framing error"); + return -EINVAL; + } + if (data[i] & (1 << 6)) { + dprintk(verbose, MANTIS_ERROR, 1, "UART parity error"); + return -EINVAL; + } + } + + return 0; +} + +static void mantis_uart_work(struct work_struct *work) +{ + struct mantis_pci *mantis = container_of(work, struct mantis_pci, uart_work); + struct mantis_hwconfig *config = mantis->hwconfig; + u8 buf[16]; + int i; + + dprintk(verbose, MANTIS_DEBUG, 1, "UART read"); + mantis_uart_read(mantis, buf); + + dprintk(verbose, MANTIS_DEBUG, 1, "UART: "); + for (i = 0; i < (config->bytes + 1); i++) + dprintk(verbose, MANTIS_DEBUG, 0, "<%02x> ", buf[i]); + + dprintk(verbose, MANTIS_DEBUG, 0, "\n"); +} + +static int mantis_uart_setup(struct mantis_pci *mantis, + struct mantis_uart_params *params) +{ + char* rates[] = { "B_9600", "B_19200", "B_38400", "B_57600", "B_115200" }; + char* parity[] = { "NONE", "ODD", "EVEN" }; + + u32 reg; + + dprintk(verbose, MANTIS_DEBUG, 1, "Set Parity <%s> Baud Rate <%s>", + parity[params->parity], + rates[params->baud_rate]); + + mmwrite((mmread(MANTIS_UART_CTL) | (params->parity & 0x3)), MANTIS_UART_CTL); + + reg = mmread(MANTIS_UART_BAUD); + + switch (params->baud_rate) { + case MANTIS_BAUD_9600: + reg |= 0xd8; + break; + case MANTIS_BAUD_19200: + reg |= 0x6c; + break; + case MANTIS_BAUD_38400: + reg |= 0x36; + break; + case MANTIS_BAUD_57600: + reg |= 0x23; + break; + case MANTIS_BAUD_115200: + reg |= 0x11; + break; + default: + return -EINVAL; + } + + mmwrite(reg, MANTIS_UART_BAUD); + + return 0; +} + +int mantis_uart_init(struct mantis_pci *mantis) +{ + struct mantis_hwconfig *config = mantis->hwconfig; + struct mantis_uart_params params; + + dprintk(verbose, MANTIS_DEBUG, 1, "Initializing UART .."); + /* default parity: */ + params.baud_rate = config->baud_rate; + params.parity = config->parity; + + init_waitqueue_head(&mantis->uart_wq); + spin_lock_init(&mantis->uart_lock); + + INIT_WORK(&mantis->uart_work, mantis_uart_work); + + /* disable interrupt */ + mmwrite(mmread(MANTIS_UART_CTL) & 0xffef, MANTIS_UART_CTL); + + mantis_uart_setup(mantis, ¶ms); + + /* default 1 byte */ + mmwrite((mmread(MANTIS_UART_BAUD) | (config->bytes << 8)), MANTIS_UART_BAUD); + + /* flush buffer */ + mmwrite((mmread(MANTIS_UART_CTL) | MANTIS_UART_RXFLUSH), MANTIS_UART_CTL); + + /* enable interrupt */ + mmwrite(mmread(MANTIS_INT_MASK) | 0x800, MANTIS_INT_MASK); + mmwrite(mmread(MANTIS_UART_CTL) | MANTIS_UART_RXINT, MANTIS_UART_CTL); + + schedule_work(&mantis->uart_work); + + return 0; +} + +void mantis_uart_exit(struct mantis_pci *mantis) +{ + /* disable interrupt */ + mmwrite(mmread(MANTIS_UART_CTL) & 0xffef, MANTIS_UART_CTL); +} -- cgit v1.2.3 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_uart.c | 37 +++++++++++++++++++++++++--------- 1 file changed, 27 insertions(+), 10 deletions(-) (limited to 'drivers/media/dvb/mantis/mantis_uart.c') diff --git a/drivers/media/dvb/mantis/mantis_uart.c b/drivers/media/dvb/mantis/mantis_uart.c index 786fcc33911..fb423b0a58f 100644 --- a/drivers/media/dvb/mantis/mantis_uart.c +++ b/drivers/media/dvb/mantis/mantis_uart.c @@ -1,5 +1,20 @@ +#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_uart.h" struct mantis_uart_params { enum mantis_baud baud_rate; @@ -18,20 +33,20 @@ int mantis_uart_read(struct mantis_pci *mantis, u8 *data) for (i = 0; i < (config->bytes + 1); i++) { if (stat & MANTIS_UART_RXFIFO_FULL) { - dprintk(verbose, MANTIS_ERROR, 1, "RX Fifo FULL"); + dprintk(MANTIS_ERROR, 1, "RX Fifo FULL"); } data[i] = mmread(MANTIS_UART_RXD) & 0x3f; stat = mmread(MANTIS_UART_STAT); - dprintk(verbose, MANTIS_DEBUG, 1, "Reading ... <%02x>", data[i] & 0x3f); + dprintk(MANTIS_DEBUG, 1, "Reading ... <%02x>", data[i] & 0x3f); if (data[i] & (1 << 7)) { - dprintk(verbose, MANTIS_ERROR, 1, "UART framing error"); + dprintk(MANTIS_ERROR, 1, "UART framing error"); return -EINVAL; } if (data[i] & (1 << 6)) { - dprintk(verbose, MANTIS_ERROR, 1, "UART parity error"); + dprintk(MANTIS_ERROR, 1, "UART parity error"); return -EINVAL; } } @@ -46,14 +61,14 @@ static void mantis_uart_work(struct work_struct *work) u8 buf[16]; int i; - dprintk(verbose, MANTIS_DEBUG, 1, "UART read"); + dprintk(MANTIS_DEBUG, 1, "UART read"); mantis_uart_read(mantis, buf); - dprintk(verbose, MANTIS_DEBUG, 1, "UART: "); + dprintk(MANTIS_DEBUG, 1, "UART: "); for (i = 0; i < (config->bytes + 1); i++) - dprintk(verbose, MANTIS_DEBUG, 0, "<%02x> ", buf[i]); + dprintk(MANTIS_DEBUG, 0, "<%02x> ", buf[i]); - dprintk(verbose, MANTIS_DEBUG, 0, "\n"); + dprintk(MANTIS_DEBUG, 0, "\n"); } static int mantis_uart_setup(struct mantis_pci *mantis, @@ -64,7 +79,7 @@ static int mantis_uart_setup(struct mantis_pci *mantis, u32 reg; - dprintk(verbose, MANTIS_DEBUG, 1, "Set Parity <%s> Baud Rate <%s>", + dprintk(MANTIS_DEBUG, 1, "Set Parity <%s> Baud Rate <%s>", parity[params->parity], rates[params->baud_rate]); @@ -102,7 +117,7 @@ int mantis_uart_init(struct mantis_pci *mantis) struct mantis_hwconfig *config = mantis->hwconfig; struct mantis_uart_params params; - dprintk(verbose, MANTIS_DEBUG, 1, "Initializing UART .."); + dprintk(MANTIS_DEBUG, 1, "Initializing UART .."); /* default parity: */ params.baud_rate = config->baud_rate; params.parity = config->parity; @@ -131,9 +146,11 @@ int mantis_uart_init(struct mantis_pci *mantis) return 0; } +EXPORT_SYMBOL_GPL(mantis_uart_init); void mantis_uart_exit(struct mantis_pci *mantis) { /* disable interrupt */ mmwrite(mmread(MANTIS_UART_CTL) & 0xffef, MANTIS_UART_CTL); } +EXPORT_SYMBOL_GPL(mantis_uart_exit); -- cgit v1.2.3 From 0bdc799b8b82cf61c86604291c53998febc96403 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Tue, 15 Dec 2009 06:17:54 -0300 Subject: V4L/DVB (13802): [Mantis/Hopper] Fix all build related warnings Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_uart.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'drivers/media/dvb/mantis/mantis_uart.c') diff --git a/drivers/media/dvb/mantis/mantis_uart.c b/drivers/media/dvb/mantis/mantis_uart.c index fb423b0a58f..03b47cf15f8 100644 --- a/drivers/media/dvb/mantis/mantis_uart.c +++ b/drivers/media/dvb/mantis/mantis_uart.c @@ -26,19 +26,18 @@ struct mantis_uart_params { int mantis_uart_read(struct mantis_pci *mantis, u8 *data) { struct mantis_hwconfig *config = mantis->hwconfig; - u32 stat, i; - unsigned long flags; + u32 stat = 0, i; /* get data */ for (i = 0; i < (config->bytes + 1); i++) { + stat = mmread(MANTIS_UART_STAT); + if (stat & MANTIS_UART_RXFIFO_FULL) { dprintk(MANTIS_ERROR, 1, "RX Fifo FULL"); } data[i] = mmread(MANTIS_UART_RXD) & 0x3f; - stat = mmread(MANTIS_UART_STAT); - dprintk(MANTIS_DEBUG, 1, "Reading ... <%02x>", data[i] & 0x3f); if (data[i] & (1 << 7)) { -- cgit v1.2.3 From a1497357dce240880d984f4b657b54245f739dbc Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Fri, 11 Dec 2009 20:41:07 -0300 Subject: V4L/DVB (13806): Register and Initialize Remote control Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_uart.c | 55 ++++++++++++++++++++++++++-------- 1 file changed, 43 insertions(+), 12 deletions(-) (limited to 'drivers/media/dvb/mantis/mantis_uart.c') diff --git a/drivers/media/dvb/mantis/mantis_uart.c b/drivers/media/dvb/mantis/mantis_uart.c index 03b47cf15f8..7d2f2398fa8 100644 --- a/drivers/media/dvb/mantis/mantis_uart.c +++ b/drivers/media/dvb/mantis/mantis_uart.c @@ -1,7 +1,26 @@ +/* + Mantis PCI bridge driver + + 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 + 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 #include #include #include @@ -21,6 +40,24 @@ struct mantis_uart_params { enum mantis_parity parity; }; +static struct { + char string[7]; +} rates[5] = { + { "9600" }, + { "19200" }, + { "38400" }, + { "57600" }, + { "115200" } +}; + +static struct { + char string[5]; +} parity[3] = { + { "NONE" }, + { "ODD" }, + { "EVEN" } +}; + #define UART_MAX_BUF 16 int mantis_uart_read(struct mantis_pci *mantis, u8 *data) @@ -60,12 +97,10 @@ static void mantis_uart_work(struct work_struct *work) u8 buf[16]; int i; - dprintk(MANTIS_DEBUG, 1, "UART read"); mantis_uart_read(mantis, buf); - dprintk(MANTIS_DEBUG, 1, "UART: "); for (i = 0; i < (config->bytes + 1); i++) - dprintk(MANTIS_DEBUG, 0, "<%02x> ", buf[i]); + dprintk(MANTIS_INFO, 1, "UART BUF:%d <%02x> ", i, buf[i]); dprintk(MANTIS_DEBUG, 0, "\n"); } @@ -73,15 +108,8 @@ static void mantis_uart_work(struct work_struct *work) static int mantis_uart_setup(struct mantis_pci *mantis, struct mantis_uart_params *params) { - char* rates[] = { "B_9600", "B_19200", "B_38400", "B_57600", "B_115200" }; - char* parity[] = { "NONE", "ODD", "EVEN" }; - u32 reg; - dprintk(MANTIS_DEBUG, 1, "Set Parity <%s> Baud Rate <%s>", - parity[params->parity], - rates[params->baud_rate]); - mmwrite((mmread(MANTIS_UART_CTL) | (params->parity & 0x3)), MANTIS_UART_CTL); reg = mmread(MANTIS_UART_BAUD); @@ -116,10 +144,12 @@ int mantis_uart_init(struct mantis_pci *mantis) struct mantis_hwconfig *config = mantis->hwconfig; struct mantis_uart_params params; - dprintk(MANTIS_DEBUG, 1, "Initializing UART .."); /* default parity: */ params.baud_rate = config->baud_rate; params.parity = config->parity; + dprintk(MANTIS_INFO, 1, "Initializing UART @ %sbps parity:%s", + rates[params.baud_rate].string, + parity[params.parity].string); init_waitqueue_head(&mantis->uart_wq); spin_lock_init(&mantis->uart_lock); @@ -142,6 +172,7 @@ int mantis_uart_init(struct mantis_pci *mantis) mmwrite(mmread(MANTIS_UART_CTL) | MANTIS_UART_RXINT, MANTIS_UART_CTL); schedule_work(&mantis->uart_work); + dprintk(MANTIS_DEBUG, 1, "UART succesfully initialized"); return 0; } -- cgit v1.2.3