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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 17:13:30 +0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 21:36:22 +0200
commitb285192a43f0432d82c2c10974204e78af0da596 (patch)
tree618aa87e760c9c949eca9e4df6ae0eeffa11dcfc /drivers/media/video/saa7134/saa6752hs.c
parent[media] bt8xx: move analog TV part to be together with DTV one (diff)
downloadlinux-b285192a43f0432d82c2c10974204e78af0da596.tar.xz
linux-b285192a43f0432d82c2c10974204e78af0da596.zip
[media] rename most media/video pci drivers to media/pci
Rename all PCI drivers with their own directory under drivers/media/video into drivers/media/pci and update the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7134/saa6752hs.c')
-rw-r--r--drivers/media/video/saa7134/saa6752hs.c1012
1 files changed, 0 insertions, 1012 deletions
diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c
deleted file mode 100644
index f147b05bd860..000000000000
--- a/drivers/media/video/saa7134/saa6752hs.c
+++ /dev/null
@@ -1,1012 +0,0 @@
- /*
- saa6752hs - i2c-driver for the saa6752hs by Philips
-
- Copyright (C) 2004 Andrew de Quincey
-
- AC-3 support:
-
- Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License vs 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 Mvss Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/poll.h>
-#include <linux/i2c.h>
-#include <linux/types.h>
-#include <linux/videodev2.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-chip-ident.h>
-#include <linux/init.h>
-#include <linux/crc32.h>
-
-#define MPEG_VIDEO_TARGET_BITRATE_MAX 27000
-#define MPEG_VIDEO_MAX_BITRATE_MAX 27000
-#define MPEG_TOTAL_TARGET_BITRATE_MAX 27000
-#define MPEG_PID_MAX ((1 << 14) - 1)
-
-
-MODULE_DESCRIPTION("device driver for saa6752hs MPEG2 encoder");
-MODULE_AUTHOR("Andrew de Quincey");
-MODULE_LICENSE("GPL");
-
-enum saa6752hs_videoformat {
- SAA6752HS_VF_D1 = 0, /* standard D1 video format: 720x576 */
- SAA6752HS_VF_2_3_D1 = 1,/* 2/3D1 video format: 480x576 */
- SAA6752HS_VF_1_2_D1 = 2,/* 1/2D1 video format: 352x576 */
- SAA6752HS_VF_SIF = 3, /* SIF video format: 352x288 */
- SAA6752HS_VF_UNKNOWN,
-};
-
-struct saa6752hs_mpeg_params {
- /* transport streams */
- __u16 ts_pid_pmt;
- __u16 ts_pid_audio;
- __u16 ts_pid_video;
- __u16 ts_pid_pcr;
-
- /* audio */
- enum v4l2_mpeg_audio_encoding au_encoding;
- enum v4l2_mpeg_audio_l2_bitrate au_l2_bitrate;
- enum v4l2_mpeg_audio_ac3_bitrate au_ac3_bitrate;
-
- /* video */
- enum v4l2_mpeg_video_aspect vi_aspect;
- enum v4l2_mpeg_video_bitrate_mode vi_bitrate_mode;
- __u32 vi_bitrate;
- __u32 vi_bitrate_peak;
-};
-
-static const struct v4l2_format v4l2_format_table[] =
-{
- [SAA6752HS_VF_D1] =
- { .fmt = { .pix = { .width = 720, .height = 576 }}},
- [SAA6752HS_VF_2_3_D1] =
- { .fmt = { .pix = { .width = 480, .height = 576 }}},
- [SAA6752HS_VF_1_2_D1] =
- { .fmt = { .pix = { .width = 352, .height = 576 }}},
- [SAA6752HS_VF_SIF] =
- { .fmt = { .pix = { .width = 352, .height = 288 }}},
- [SAA6752HS_VF_UNKNOWN] =
- { .fmt = { .pix = { .width = 0, .height = 0}}},
-};
-
-struct saa6752hs_state {
- struct v4l2_subdev sd;
- int chip;
- u32 revision;
- int has_ac3;
- struct saa6752hs_mpeg_params params;
- enum saa6752hs_videoformat video_format;
- v4l2_std_id standard;
-};
-
-enum saa6752hs_command {
- SAA6752HS_COMMAND_RESET = 0,
- SAA6752HS_COMMAND_STOP = 1,
- SAA6752HS_COMMAND_START = 2,
- SAA6752HS_COMMAND_PAUSE = 3,
- SAA6752HS_COMMAND_RECONFIGURE = 4,
- SAA6752HS_COMMAND_SLEEP = 5,
- SAA6752HS_COMMAND_RECONFIGURE_FORCE = 6,
-
- SAA6752HS_COMMAND_MAX
-};
-
-static inline struct saa6752hs_state *to_state(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct saa6752hs_state, sd);
-}
-
-/* ---------------------------------------------------------------------- */
-
-static u8 PAT[] = {
- 0xc2, /* i2c register */
- 0x00, /* table number for encoder */
-
- 0x47, /* sync */
- 0x40, 0x00, /* transport_error_indicator(0), payload_unit_start(1), transport_priority(0), pid(0) */
- 0x10, /* transport_scrambling_control(00), adaptation_field_control(01), continuity_counter(0) */
-
- 0x00, /* PSI pointer to start of table */
-
- 0x00, /* tid(0) */
- 0xb0, 0x0d, /* section_syntax_indicator(1), section_length(13) */
-
- 0x00, 0x01, /* transport_stream_id(1) */
-
- 0xc1, /* version_number(0), current_next_indicator(1) */
-
- 0x00, 0x00, /* section_number(0), last_section_number(0) */
-
- 0x00, 0x01, /* program_number(1) */
-
- 0xe0, 0x00, /* PMT PID */
-
- 0x00, 0x00, 0x00, 0x00 /* CRC32 */
-};
-
-static u8 PMT[] = {
- 0xc2, /* i2c register */
- 0x01, /* table number for encoder */
-
- 0x47, /* sync */
- 0x40, 0x00, /* transport_error_indicator(0), payload_unit_start(1), transport_priority(0), pid */
- 0x10, /* transport_scrambling_control(00), adaptation_field_control(01), continuity_counter(0) */
-
- 0x00, /* PSI pointer to start of table */
-
- 0x02, /* tid(2) */
- 0xb0, 0x17, /* section_syntax_indicator(1), section_length(23) */
-
- 0x00, 0x01, /* program_number(1) */
-
- 0xc1, /* version_number(0), current_next_indicator(1) */
-
- 0x00, 0x00, /* section_number(0), last_section_number(0) */
-
- 0xe0, 0x00, /* PCR_PID */
-
- 0xf0, 0x00, /* program_info_length(0) */
-
- 0x02, 0xe0, 0x00, 0xf0, 0x00, /* video stream type(2), pid */
- 0x04, 0xe0, 0x00, 0xf0, 0x00, /* audio stream type(4), pid */
-
- 0x00, 0x00, 0x00, 0x00 /* CRC32 */
-};
-
-static u8 PMT_AC3[] = {
- 0xc2, /* i2c register */
- 0x01, /* table number for encoder(1) */
- 0x47, /* sync */
-
- 0x40, /* transport_error_indicator(0), payload_unit_start(1), transport_priority(0) */
- 0x10, /* PMT PID (0x0010) */
- 0x10, /* transport_scrambling_control(00), adaptation_field_control(01), continuity_counter(0) */
-
- 0x00, /* PSI pointer to start of table */
-
- 0x02, /* TID (2) */
- 0xb0, 0x1a, /* section_syntax_indicator(1), section_length(26) */
-
- 0x00, 0x01, /* program_number(1) */
-
- 0xc1, /* version_number(0), current_next_indicator(1) */
-
- 0x00, 0x00, /* section_number(0), last_section_number(0) */
-
- 0xe1, 0x04, /* PCR_PID (0x0104) */
-
- 0xf0, 0x00, /* program_info_length(0) */
-
- 0x02, 0xe1, 0x00, 0xf0, 0x00, /* video stream type(2), pid */
- 0x06, 0xe1, 0x03, 0xf0, 0x03, /* audio stream type(6), pid */
- 0x6a, /* AC3 */
- 0x01, /* Descriptor_length(1) */
- 0x00, /* component_type_flag(0), bsid_flag(0), mainid_flag(0), asvc_flag(0), reserved flags(0) */
-
- 0xED, 0xDE, 0x2D, 0xF3 /* CRC32 BE */
-};
-
-static struct saa6752hs_mpeg_params param_defaults =
-{
- .ts_pid_pmt = 16,
- .ts_pid_video = 260,
- .ts_pid_audio = 256,
- .ts_pid_pcr = 259,
-
- .vi_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3,
- .vi_bitrate = 4000,
- .vi_bitrate_peak = 6000,
- .vi_bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
-
- .au_encoding = V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
- .au_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_256K,
- .au_ac3_bitrate = V4L2_MPEG_AUDIO_AC3_BITRATE_256K,
-};
-
-/* ---------------------------------------------------------------------- */
-
-static int saa6752hs_chip_command(struct i2c_client *client,
- enum saa6752hs_command command)
-{
- unsigned char buf[3];
- unsigned long timeout;
- int status = 0;
-
- /* execute the command */
- switch(command) {
- case SAA6752HS_COMMAND_RESET:
- buf[0] = 0x00;
- break;
-
- case SAA6752HS_COMMAND_STOP:
- buf[0] = 0x03;
- break;
-
- case SAA6752HS_COMMAND_START:
- buf[0] = 0x02;
- break;
-
- case SAA6752HS_COMMAND_PAUSE:
- buf[0] = 0x04;
- break;
-
- case SAA6752HS_COMMAND_RECONFIGURE:
- buf[0] = 0x05;
- break;
-
- case SAA6752HS_COMMAND_SLEEP:
- buf[0] = 0x06;
- break;
-
- case SAA6752HS_COMMAND_RECONFIGURE_FORCE:
- buf[0] = 0x07;
- break;
-
- default:
- return -EINVAL;
- }
-
- /* set it and wait for it to be so */
- i2c_master_send(client, buf, 1);
- timeout = jiffies + HZ * 3;
- for (;;) {
- /* get the current status */
- buf[0] = 0x10;
- i2c_master_send(client, buf, 1);
- i2c_master_recv(client, buf, 1);
-
- if (!(buf[0] & 0x20))
- break;
- if (time_after(jiffies,timeout)) {
- status = -ETIMEDOUT;
- break;
- }
-
- msleep(10);
- }
-
- /* delay a bit to let encoder settle */
- msleep(50);
-
- return status;
-}
-
-
-static inline void set_reg8(struct i2c_client *client, uint8_t reg, uint8_t val)
-{
- u8 buf[2];
-
- buf[0] = reg;
- buf[1] = val;
- i2c_master_send(client, buf, 2);
-}
-
-static inline void set_reg16(struct i2c_client *client, uint8_t reg, uint16_t val)
-{
- u8 buf[3];
-
- buf[0] = reg;
- buf[1] = val >> 8;
- buf[2] = val & 0xff;
- i2c_master_send(client, buf, 3);
-}
-
-static int saa6752hs_set_bitrate(struct i2c_client *client,
- struct saa6752hs_state *h)
-{
- struct saa6752hs_mpeg_params *params = &h->params;
- int tot_bitrate;
- int is_384k;
-
- /* set the bitrate mode */
- set_reg8(client, 0x71,
- params->vi_bitrate_mode != V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
-
- /* set the video bitrate */
- if (params->vi_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) {
- /* set the target bitrate */
- set_reg16(client, 0x80, params->vi_bitrate);
-
- /* set the max bitrate */
- set_reg16(client, 0x81, params->vi_bitrate_peak);
- tot_bitrate = params->vi_bitrate_peak;
- } else {
- /* set the target bitrate (no max bitrate for CBR) */
- set_reg16(client, 0x81, params->vi_bitrate);
- tot_bitrate = params->vi_bitrate;
- }
-
- /* set the audio encoding */
- set_reg8(client, 0x93,
- params->au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3);
-
- /* set the audio bitrate */
- if (params->au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3)
- is_384k = V4L2_MPEG_AUDIO_AC3_BITRATE_384K == params->au_ac3_bitrate;
- else
- is_384k = V4L2_MPEG_AUDIO_L2_BITRATE_384K == params->au_l2_bitrate;
- set_reg8(client, 0x94, is_384k);
- tot_bitrate += is_384k ? 384 : 256;
-
- /* Note: the total max bitrate is determined by adding the video and audio
- bitrates together and also adding an extra 768kbit/s to stay on the
- safe side. If more control should be required, then an extra MPEG control
- should be added. */
- tot_bitrate += 768;
- if (tot_bitrate > MPEG_TOTAL_TARGET_BITRATE_MAX)
- tot_bitrate = MPEG_TOTAL_TARGET_BITRATE_MAX;
-
- /* set the total bitrate */
- set_reg16(client, 0xb1, tot_bitrate);
- return 0;
-}
-
-
-static int get_ctrl(int has_ac3, struct saa6752hs_mpeg_params *params,
- struct v4l2_ext_control *ctrl)
-{
- switch (ctrl->id) {
- case V4L2_CID_MPEG_STREAM_TYPE:
- ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG2_TS;
- break;
- case V4L2_CID_MPEG_STREAM_PID_PMT:
- ctrl->value = params->ts_pid_pmt;
- break;
- case V4L2_CID_MPEG_STREAM_PID_AUDIO:
- ctrl->value = params->ts_pid_audio;
- break;
- case V4L2_CID_MPEG_STREAM_PID_VIDEO:
- ctrl->value = params->ts_pid_video;
- break;
- case V4L2_CID_MPEG_STREAM_PID_PCR:
- ctrl->value = params->ts_pid_pcr;
- break;
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- ctrl->value = params->au_encoding;
- break;
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
- ctrl->value = params->au_l2_bitrate;
- break;
- case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
- if (!has_ac3)
- return -EINVAL;
- ctrl->value = params->au_ac3_bitrate;
- break;
- case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
- ctrl->value = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000;
- break;
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_2;
- break;
- case V4L2_CID_MPEG_VIDEO_ASPECT:
- ctrl->value = params->vi_aspect;
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- ctrl->value = params->vi_bitrate * 1000;
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
- ctrl->value = params->vi_bitrate_peak * 1000;
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- ctrl->value = params->vi_bitrate_mode;
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static int handle_ctrl(int has_ac3, struct saa6752hs_mpeg_params *params,
- struct v4l2_ext_control *ctrl, int set)
-{
- int old = 0, new;
-
- new = ctrl->value;
- switch (ctrl->id) {
- case V4L2_CID_MPEG_STREAM_TYPE:
- old = V4L2_MPEG_STREAM_TYPE_MPEG2_TS;
- if (set && new != old)
- return -ERANGE;
- new = old;
- break;
- case V4L2_CID_MPEG_STREAM_PID_PMT:
- old = params->ts_pid_pmt;
- if (set && new > MPEG_PID_MAX)
- return -ERANGE;
- if (new > MPEG_PID_MAX)
- new = MPEG_PID_MAX;
- params->ts_pid_pmt = new;
- break;
- case V4L2_CID_MPEG_STREAM_PID_AUDIO:
- old = params->ts_pid_audio;
- if (set && new > MPEG_PID_MAX)
- return -ERANGE;
- if (new > MPEG_PID_MAX)
- new = MPEG_PID_MAX;
- params->ts_pid_audio = new;
- break;
- case V4L2_CID_MPEG_STREAM_PID_VIDEO:
- old = params->ts_pid_video;
- if (set && new > MPEG_PID_MAX)
- return -ERANGE;
- if (new > MPEG_PID_MAX)
- new = MPEG_PID_MAX;
- params->ts_pid_video = new;
- break;
- case V4L2_CID_MPEG_STREAM_PID_PCR:
- old = params->ts_pid_pcr;
- if (set && new > MPEG_PID_MAX)
- return -ERANGE;
- if (new > MPEG_PID_MAX)
- new = MPEG_PID_MAX;
- params->ts_pid_pcr = new;
- break;
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- old = params->au_encoding;
- if (set && new != V4L2_MPEG_AUDIO_ENCODING_LAYER_2 &&
- (!has_ac3 || new != V4L2_MPEG_AUDIO_ENCODING_AC3))
- return -ERANGE;
- params->au_encoding = new;
- break;
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
- old = params->au_l2_bitrate;
- if (set && new != V4L2_MPEG_AUDIO_L2_BITRATE_256K &&
- new != V4L2_MPEG_AUDIO_L2_BITRATE_384K)
- return -ERANGE;
- if (new <= V4L2_MPEG_AUDIO_L2_BITRATE_256K)
- new = V4L2_MPEG_AUDIO_L2_BITRATE_256K;
- else
- new = V4L2_MPEG_AUDIO_L2_BITRATE_384K;
- params->au_l2_bitrate = new;
- break;
- case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
- if (!has_ac3)
- return -EINVAL;
- old = params->au_ac3_bitrate;
- if (set && new != V4L2_MPEG_AUDIO_AC3_BITRATE_256K &&
- new != V4L2_MPEG_AUDIO_AC3_BITRATE_384K)
- return -ERANGE;
- if (new <= V4L2_MPEG_AUDIO_AC3_BITRATE_256K)
- new = V4L2_MPEG_AUDIO_AC3_BITRATE_256K;
- else
- new = V4L2_MPEG_AUDIO_AC3_BITRATE_384K;
- params->au_ac3_bitrate = new;
- break;
- case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
- old = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000;
- if (set && new != old)
- return -ERANGE;
- new = old;
- break;
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- old = V4L2_MPEG_VIDEO_ENCODING_MPEG_2;
- if (set && new != old)
- return -ERANGE;
- new = old;
- break;
- case V4L2_CID_MPEG_VIDEO_ASPECT:
- old = params->vi_aspect;
- if (set && new != V4L2_MPEG_VIDEO_ASPECT_16x9 &&
- new != V4L2_MPEG_VIDEO_ASPECT_4x3)
- return -ERANGE;
- if (new != V4L2_MPEG_VIDEO_ASPECT_16x9)
- new = V4L2_MPEG_VIDEO_ASPECT_4x3;
- params->vi_aspect = new;
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- old = params->vi_bitrate * 1000;
- new = 1000 * (new / 1000);
- if (set && new > MPEG_VIDEO_TARGET_BITRATE_MAX * 1000)
- return -ERANGE;
- if (new > MPEG_VIDEO_TARGET_BITRATE_MAX * 1000)
- new = MPEG_VIDEO_TARGET_BITRATE_MAX * 1000;
- params->vi_bitrate = new / 1000;
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
- old = params->vi_bitrate_peak * 1000;
- new = 1000 * (new / 1000);
- if (set && new > MPEG_VIDEO_TARGET_BITRATE_MAX * 1000)
- return -ERANGE;
- if (new > MPEG_VIDEO_TARGET_BITRATE_MAX * 1000)
- new = MPEG_VIDEO_TARGET_BITRATE_MAX * 1000;
- params->vi_bitrate_peak = new / 1000;
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- old = params->vi_bitrate_mode;
- params->vi_bitrate_mode = new;
- break;
- default:
- return -EINVAL;
- }
- ctrl->value = new;
- return 0;
-}
-
-
-static int saa6752hs_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qctrl)
-{
- struct saa6752hs_state *h = to_state(sd);
- struct saa6752hs_mpeg_params *params = &h->params;
- int err;
-
- switch (qctrl->id) {
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
- h->has_ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 :
- V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
- 1, V4L2_MPEG_AUDIO_ENCODING_LAYER_2);
-
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L2_BITRATE_256K,
- V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1,
- V4L2_MPEG_AUDIO_L2_BITRATE_256K);
-
- case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
- if (!h->has_ac3)
- return -EINVAL;
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_AC3_BITRATE_256K,
- V4L2_MPEG_AUDIO_AC3_BITRATE_384K, 1,
- V4L2_MPEG_AUDIO_AC3_BITRATE_256K);
-
- case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000, 1,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
-
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_2,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_2);
-
- case V4L2_CID_MPEG_VIDEO_ASPECT:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_ASPECT_4x3,
- V4L2_MPEG_VIDEO_ASPECT_16x9, 1,
- V4L2_MPEG_VIDEO_ASPECT_4x3);
-
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
- err = v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000);
- if (err == 0 &&
- params->vi_bitrate_mode ==
- V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
- qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
- return err;
-
- case V4L2_CID_MPEG_STREAM_TYPE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_STREAM_TYPE_MPEG2_TS,
- V4L2_MPEG_STREAM_TYPE_MPEG2_TS, 1,
- V4L2_MPEG_STREAM_TYPE_MPEG2_TS);
-
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
- V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
- V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000);
- case V4L2_CID_MPEG_STREAM_PID_PMT:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 16);
- case V4L2_CID_MPEG_STREAM_PID_AUDIO:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 260);
- case V4L2_CID_MPEG_STREAM_PID_VIDEO:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 256);
- case V4L2_CID_MPEG_STREAM_PID_PCR:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 259);
-
- default:
- break;
- }
- return -EINVAL;
-}
-
-static int saa6752hs_querymenu(struct v4l2_subdev *sd, struct v4l2_querymenu *qmenu)
-{
- static const u32 mpeg_audio_encoding[] = {
- V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
- V4L2_CTRL_MENU_IDS_END
- };
- static const u32 mpeg_audio_ac3_encoding[] = {
- V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
- V4L2_MPEG_AUDIO_ENCODING_AC3,
- V4L2_CTRL_MENU_IDS_END
- };
- static u32 mpeg_audio_l2_bitrate[] = {
- V4L2_MPEG_AUDIO_L2_BITRATE_256K,
- V4L2_MPEG_AUDIO_L2_BITRATE_384K,
- V4L2_CTRL_MENU_IDS_END
- };
- static u32 mpeg_audio_ac3_bitrate[] = {
- V4L2_MPEG_AUDIO_AC3_BITRATE_256K,
- V4L2_MPEG_AUDIO_AC3_BITRATE_384K,
- V4L2_CTRL_MENU_IDS_END
- };
- struct saa6752hs_state *h = to_state(sd);
- struct v4l2_queryctrl qctrl;
- int err;
-
- qctrl.id = qmenu->id;
- err = saa6752hs_queryctrl(sd, &qctrl);
- if (err)
- return err;
- switch (qmenu->id) {
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
- return v4l2_ctrl_query_menu_valid_items(qmenu,
- mpeg_audio_l2_bitrate);
- case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
- if (!h->has_ac3)
- return -EINVAL;
- return v4l2_ctrl_query_menu_valid_items(qmenu,
- mpeg_audio_ac3_bitrate);
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- return v4l2_ctrl_query_menu_valid_items(qmenu,
- h->has_ac3 ? mpeg_audio_ac3_encoding :
- mpeg_audio_encoding);
- }
- return v4l2_ctrl_query_menu(qmenu, &qctrl, NULL);
-}
-
-static int saa6752hs_init(struct v4l2_subdev *sd, u32 leading_null_bytes)
-{
- unsigned char buf[9], buf2[4];
- struct saa6752hs_state *h = to_state(sd);
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- unsigned size;
- u32 crc;
- unsigned char localPAT[256];
- unsigned char localPMT[256];
-
- /* Set video format - must be done first as it resets other settings */
- set_reg8(client, 0x41, h->video_format);
-
- /* Set number of lines in input signal */
- set_reg8(client, 0x40, (h->standard & V4L2_STD_525_60) ? 1 : 0);
-
- /* set bitrate */
- saa6752hs_set_bitrate(client, h);
-
- /* Set GOP structure {3, 13} */
- set_reg16(client, 0x72, 0x030d);
-
- /* Set minimum Q-scale {4} */
- set_reg8(client, 0x82, 0x04);
-
- /* Set maximum Q-scale {12} */
- set_reg8(client, 0x83, 0x0c);
-
- /* Set Output Protocol */
- set_reg8(client, 0xd0, 0x81);
-
- /* Set video output stream format {TS} */
- set_reg8(client, 0xb0, 0x05);
-
- /* Set leading null byte for TS */
- set_reg16(client, 0xf6, leading_null_bytes);
-
- /* compute PAT */
- memcpy(localPAT, PAT, sizeof(PAT));
- localPAT[17] = 0xe0 | ((h->params.ts_pid_pmt >> 8) & 0x0f);
- localPAT[18] = h->params.ts_pid_pmt & 0xff;
- crc = crc32_be(~0, &localPAT[7], sizeof(PAT) - 7 - 4);
- localPAT[sizeof(PAT) - 4] = (crc >> 24) & 0xFF;
- localPAT[sizeof(PAT) - 3] = (crc >> 16) & 0xFF;
- localPAT[sizeof(PAT) - 2] = (crc >> 8) & 0xFF;
- localPAT[sizeof(PAT) - 1] = crc & 0xFF;
-
- /* compute PMT */
- if (h->params.au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) {
- size = sizeof(PMT_AC3);
- memcpy(localPMT, PMT_AC3, size);
- } else {
- size = sizeof(PMT);
- memcpy(localPMT, PMT, size);
- }
- localPMT[3] = 0x40 | ((h->params.ts_pid_pmt >> 8) & 0x0f);
- localPMT[4] = h->params.ts_pid_pmt & 0xff;
- localPMT[15] = 0xE0 | ((h->params.ts_pid_pcr >> 8) & 0x0F);
- localPMT[16] = h->params.ts_pid_pcr & 0xFF;
- localPMT[20] = 0xE0 | ((h->params.ts_pid_video >> 8) & 0x0F);
- localPMT[21] = h->params.ts_pid_video & 0xFF;
- localPMT[25] = 0xE0 | ((h->params.ts_pid_audio >> 8) & 0x0F);
- localPMT[26] = h->params.ts_pid_audio & 0xFF;
- crc = crc32_be(~0, &localPMT[7], size - 7 - 4);
- localPMT[size - 4] = (crc >> 24) & 0xFF;
- localPMT[size - 3] = (crc >> 16) & 0xFF;
- localPMT[size - 2] = (crc >> 8) & 0xFF;
- localPMT[size - 1] = crc & 0xFF;
-
- /* Set Audio PID */
- set_reg16(client, 0xc1, h->params.ts_pid_audio);
-
- /* Set Video PID */
- set_reg16(client, 0xc0, h->params.ts_pid_video);
-
- /* Set PCR PID */
- set_reg16(client, 0xc4, h->params.ts_pid_pcr);
-
- /* Send SI tables */
- i2c_master_send(client, localPAT, sizeof(PAT));
- i2c_master_send(client, localPMT, size);
-
- /* mute then unmute audio. This removes buzzing artefacts */
- set_reg8(client, 0xa4, 1);
- set_reg8(client, 0xa4, 0);
-
- /* start it going */
- saa6752hs_chip_command(client, SAA6752HS_COMMAND_START);
-
- /* readout current state */
- buf[0] = 0xE1;
- buf[1] = 0xA7;
- buf[2] = 0xFE;
- buf[3] = 0x82;
- buf[4] = 0xB0;
- i2c_master_send(client, buf, 5);
- i2c_master_recv(client, buf2, 4);
-
- /* change aspect ratio */
- buf[0] = 0xE0;
- buf[1] = 0xA7;
- buf[2] = 0xFE;
- buf[3] = 0x82;
- buf[4] = 0xB0;
- buf[5] = buf2[0];
- switch (h->params.vi_aspect) {
- case V4L2_MPEG_VIDEO_ASPECT_16x9:
- buf[6] = buf2[1] | 0x40;
- break;
- case V4L2_MPEG_VIDEO_ASPECT_4x3:
- default:
- buf[6] = buf2[1] & 0xBF;
- break;
- }
- buf[7] = buf2[2];
- buf[8] = buf2[3];
- i2c_master_send(client, buf, 9);
-
- return 0;
-}
-
-static int saa6752hs_do_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls, int set)
-{
- struct saa6752hs_state *h = to_state(sd);
- struct saa6752hs_mpeg_params params;
- int i;
-
- if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
- return -EINVAL;
-
- params = h->params;
- for (i = 0; i < ctrls->count; i++) {
- int err = handle_ctrl(h->has_ac3, &params, ctrls->controls + i, set);
-
- if (err) {
- ctrls->error_idx = i;
- return err;
- }
- }
- if (set)
- h->params = params;
- return 0;
-}
-
-static int saa6752hs_s_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls)
-{
- return saa6752hs_do_ext_ctrls(sd, ctrls, 1);
-}
-
-static int saa6752hs_try_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls)
-{
- return saa6752hs_do_ext_ctrls(sd, ctrls, 0);
-}
-
-static int saa6752hs_g_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls)
-{
- struct saa6752hs_state *h = to_state(sd);
- int i;
-
- if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
- return -EINVAL;
-
- for (i = 0; i < ctrls->count; i++) {
- int err = get_ctrl(h->has_ac3, &h->params, ctrls->controls + i);
-
- if (err) {
- ctrls->error_idx = i;
- return err;
- }
- }
- return 0;
-}
-
-static int saa6752hs_g_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f)
-{
- struct saa6752hs_state *h = to_state(sd);
-
- if (h->video_format == SAA6752HS_VF_UNKNOWN)
- h->video_format = SAA6752HS_VF_D1;
- f->width = v4l2_format_table[h->video_format].fmt.pix.width;
- f->height = v4l2_format_table[h->video_format].fmt.pix.height;
- f->code = V4L2_MBUS_FMT_FIXED;
- f->field = V4L2_FIELD_INTERLACED;
- f->colorspace = V4L2_COLORSPACE_SMPTE170M;
- return 0;
-}
-
-static int saa6752hs_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f)
-{
- struct saa6752hs_state *h = to_state(sd);
- int dist_352, dist_480, dist_720;
-
- if (f->code != V4L2_MBUS_FMT_FIXED)
- return -EINVAL;
-
- /*
- FIXME: translate and round width/height into EMPRESS
- subsample type:
-
- type | PAL | NTSC
- ---------------------------
- SIF | 352x288 | 352x240
- 1/2 D1 | 352x576 | 352x480
- 2/3 D1 | 480x576 | 480x480
- D1 | 720x576 | 720x480
- */
-
- dist_352 = abs(f->width - 352);
- dist_480 = abs(f->width - 480);
- dist_720 = abs(f->width - 720);
- if (dist_720 < dist_480) {
- f->width = 720;
- f->height = 576;
- h->video_format = SAA6752HS_VF_D1;
- } else if (dist_480 < dist_352) {
- f->width = 480;
- f->height = 576;
- h->video_format = SAA6752HS_VF_2_3_D1;
- } else {
- f->width = 352;
- if (abs(f->height - 576) <
- abs(f->height - 288)) {
- f->height = 576;
- h->video_format = SAA6752HS_VF_1_2_D1;
- } else {
- f->height = 288;
- h->video_format = SAA6752HS_VF_SIF;
- }
- }
- f->field = V4L2_FIELD_INTERLACED;
- f->colorspace = V4L2_COLORSPACE_SMPTE170M;
- return 0;
-}
-
-static int saa6752hs_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
-{
- struct saa6752hs_state *h = to_state(sd);
-
- h->standard = std;
- return 0;
-}
-
-static int saa6752hs_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct saa6752hs_state *h = to_state(sd);
-
- return v4l2_chip_ident_i2c_client(client,
- chip, h->chip, h->revision);
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_subdev_core_ops saa6752hs_core_ops = {
- .g_chip_ident = saa6752hs_g_chip_ident,
- .init = saa6752hs_init,
- .queryctrl = saa6752hs_queryctrl,
- .querymenu = saa6752hs_querymenu,
- .g_ext_ctrls = saa6752hs_g_ext_ctrls,
- .s_ext_ctrls = saa6752hs_s_ext_ctrls,
- .try_ext_ctrls = saa6752hs_try_ext_ctrls,
- .s_std = saa6752hs_s_std,
-};
-
-static const struct v4l2_subdev_video_ops saa6752hs_video_ops = {
- .s_mbus_fmt = saa6752hs_s_mbus_fmt,
- .g_mbus_fmt = saa6752hs_g_mbus_fmt,
-};
-
-static const struct v4l2_subdev_ops saa6752hs_ops = {
- .core = &saa6752hs_core_ops,
- .video = &saa6752hs_video_ops,
-};
-
-static int saa6752hs_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct saa6752hs_state *h = kzalloc(sizeof(*h), GFP_KERNEL);
- struct v4l2_subdev *sd;
- u8 addr = 0x13;
- u8 data[12];
-
- v4l_info(client, "chip found @ 0x%x (%s)\n",
- client->addr << 1, client->adapter->name);
- if (h == NULL)
- return -ENOMEM;
- sd = &h->sd;
- v4l2_i2c_subdev_init(sd, client, &saa6752hs_ops);
-
- i2c_master_send(client, &addr, 1);
- i2c_master_recv(client, data, sizeof(data));
- h->chip = V4L2_IDENT_SAA6752HS;
- h->revision = (data[8] << 8) | data[9];
- h->has_ac3 = 0;
- if (h->revision == 0x0206) {
- h->chip = V4L2_IDENT_SAA6752HS_AC3;
- h->has_ac3 = 1;
- v4l_info(client, "support AC-3\n");
- }
- h->params = param_defaults;
- h->standard = 0; /* Assume 625 input lines */
- return 0;
-}
-
-static int saa6752hs_remove(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
-
- v4l2_device_unregister_subdev(sd);
- kfree(to_state(sd));
- return 0;
-}
-
-static const struct i2c_device_id saa6752hs_id[] = {
- { "saa6752hs", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, saa6752hs_id);
-
-static struct i2c_driver saa6752hs_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "saa6752hs",
- },
- .probe = saa6752hs_probe,
- .remove = saa6752hs_remove,
- .id_table = saa6752hs_id,
-};
-
-module_i2c_driver(saa6752hs_driver);
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-basic-offset: 8
- * End:
- */