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path: root/drivers/staging/media/solo6x10/solo6x10-enc.c
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Diffstat (limited to 'drivers/staging/media/solo6x10/solo6x10-enc.c')
-rw-r--r--drivers/staging/media/solo6x10/solo6x10-enc.c347
1 files changed, 347 insertions, 0 deletions
diff --git a/drivers/staging/media/solo6x10/solo6x10-enc.c b/drivers/staging/media/solo6x10/solo6x10-enc.c
new file mode 100644
index 00000000000..94d5735abf8
--- /dev/null
+++ b/drivers/staging/media/solo6x10/solo6x10-enc.c
@@ -0,0 +1,347 @@
+/*
+ * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com>
+ *
+ * Original author:
+ * Ben Collins <bcollins@ubuntu.com>
+ *
+ * Additional work by:
+ * John Brooks <john.brooks@bluecherry.net>
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/font.h>
+#include <linux/bitrev.h>
+#include <linux/slab.h>
+
+#include "solo6x10.h"
+
+#define VI_PROG_HSIZE (1280 - 16)
+#define VI_PROG_VSIZE (1024 - 16)
+
+#define IRQ_LEVEL 2
+
+static void solo_capture_config(struct solo_dev *solo_dev)
+{
+ unsigned long height;
+ unsigned long width;
+ void *buf;
+ int i;
+
+ solo_reg_write(solo_dev, SOLO_CAP_BASE,
+ SOLO_CAP_MAX_PAGE((SOLO_CAP_EXT_SIZE(solo_dev)
+ - SOLO_CAP_PAGE_SIZE) >> 16)
+ | SOLO_CAP_BASE_ADDR(SOLO_CAP_EXT_ADDR(solo_dev) >> 16));
+
+ /* XXX: Undocumented bits at b17 and b24 */
+ if (solo_dev->type == SOLO_DEV_6110) {
+ /* NOTE: Ref driver has (62 << 24) here as well, but it causes
+ * wacked out frame timing on 4-port 6110. */
+ solo_reg_write(solo_dev, SOLO_CAP_BTW,
+ (1 << 17) | SOLO_CAP_PROG_BANDWIDTH(2) |
+ SOLO_CAP_MAX_BANDWIDTH(36));
+ } else {
+ solo_reg_write(solo_dev, SOLO_CAP_BTW,
+ (1 << 17) | SOLO_CAP_PROG_BANDWIDTH(2) |
+ SOLO_CAP_MAX_BANDWIDTH(32));
+ }
+
+ /* Set scale 1, 9 dimension */
+ width = solo_dev->video_hsize;
+ height = solo_dev->video_vsize;
+ solo_reg_write(solo_dev, SOLO_DIM_SCALE1,
+ SOLO_DIM_H_MB_NUM(width / 16) |
+ SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
+ SOLO_DIM_V_MB_NUM_FIELD(height / 16));
+
+ /* Set scale 2, 10 dimension */
+ width = solo_dev->video_hsize / 2;
+ height = solo_dev->video_vsize;
+ solo_reg_write(solo_dev, SOLO_DIM_SCALE2,
+ SOLO_DIM_H_MB_NUM(width / 16) |
+ SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
+ SOLO_DIM_V_MB_NUM_FIELD(height / 16));
+
+ /* Set scale 3, 11 dimension */
+ width = solo_dev->video_hsize / 2;
+ height = solo_dev->video_vsize / 2;
+ solo_reg_write(solo_dev, SOLO_DIM_SCALE3,
+ SOLO_DIM_H_MB_NUM(width / 16) |
+ SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
+ SOLO_DIM_V_MB_NUM_FIELD(height / 16));
+
+ /* Set scale 4, 12 dimension */
+ width = solo_dev->video_hsize / 3;
+ height = solo_dev->video_vsize / 3;
+ solo_reg_write(solo_dev, SOLO_DIM_SCALE4,
+ SOLO_DIM_H_MB_NUM(width / 16) |
+ SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
+ SOLO_DIM_V_MB_NUM_FIELD(height / 16));
+
+ /* Set scale 5, 13 dimension */
+ width = solo_dev->video_hsize / 4;
+ height = solo_dev->video_vsize / 2;
+ solo_reg_write(solo_dev, SOLO_DIM_SCALE5,
+ SOLO_DIM_H_MB_NUM(width / 16) |
+ SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
+ SOLO_DIM_V_MB_NUM_FIELD(height / 16));
+
+ /* Progressive */
+ width = VI_PROG_HSIZE;
+ height = VI_PROG_VSIZE;
+ solo_reg_write(solo_dev, SOLO_DIM_PROG,
+ SOLO_DIM_H_MB_NUM(width / 16) |
+ SOLO_DIM_V_MB_NUM_FRAME(height / 16) |
+ SOLO_DIM_V_MB_NUM_FIELD(height / 16));
+
+ /* Clear OSD */
+ solo_reg_write(solo_dev, SOLO_VE_OSD_CH, 0);
+ solo_reg_write(solo_dev, SOLO_VE_OSD_BASE, SOLO_EOSD_EXT_ADDR >> 16);
+ solo_reg_write(solo_dev, SOLO_VE_OSD_CLR,
+ 0xF0 << 16 | 0x80 << 8 | 0x80);
+
+ if (solo_dev->type == SOLO_DEV_6010)
+ solo_reg_write(solo_dev, SOLO_VE_OSD_OPT,
+ SOLO_VE_OSD_H_SHADOW | SOLO_VE_OSD_V_SHADOW);
+ else
+ solo_reg_write(solo_dev, SOLO_VE_OSD_OPT, SOLO_VE_OSD_V_DOUBLE
+ | SOLO_VE_OSD_H_SHADOW | SOLO_VE_OSD_V_SHADOW);
+
+ /* Clear OSG buffer */
+ buf = kzalloc(SOLO_EOSD_EXT_SIZE(solo_dev), GFP_KERNEL);
+ if (!buf)
+ return;
+
+ for (i = 0; i < solo_dev->nr_chans; i++) {
+ solo_p2m_dma(solo_dev, 1, buf,
+ SOLO_EOSD_EXT_ADDR +
+ (SOLO_EOSD_EXT_SIZE(solo_dev) * i),
+ SOLO_EOSD_EXT_SIZE(solo_dev), 0, 0);
+ }
+ kfree(buf);
+}
+
+/* Should be called with enable_lock held */
+int solo_osd_print(struct solo_enc_dev *solo_enc)
+{
+ struct solo_dev *solo_dev = solo_enc->solo_dev;
+ unsigned char *str = solo_enc->osd_text;
+ u8 *buf = solo_enc->osd_buf;
+ u32 reg = solo_reg_read(solo_dev, SOLO_VE_OSD_CH);
+ const struct font_desc *vga = find_font("VGA8x16");
+ const unsigned char *vga_data;
+ int len;
+ int i, j;
+
+ if (WARN_ON_ONCE(!vga))
+ return -ENODEV;
+
+ len = strlen(str);
+
+ if (len == 0) {
+ /* Disable OSD on this channel */
+ reg &= ~(1 << solo_enc->ch);
+ solo_reg_write(solo_dev, SOLO_VE_OSD_CH, reg);
+ return 0;
+ }
+
+ memset(buf, 0, SOLO_EOSD_EXT_SIZE_MAX);
+ vga_data = (const unsigned char *)vga->data;
+
+ for (i = 0; i < len; i++) {
+ unsigned char c = str[i];
+
+ for (j = 0; j < 16; j++) {
+ buf[(j * 2) + (i % 2) + (i / 2 * 32)] =
+ bitrev8(vga_data[(c * 16) + j]);
+ }
+ }
+
+ solo_p2m_dma(solo_dev, 1, buf,
+ SOLO_EOSD_EXT_ADDR +
+ (solo_enc->ch * SOLO_EOSD_EXT_SIZE(solo_dev)),
+ SOLO_EOSD_EXT_SIZE(solo_dev), 0, 0);
+
+ /* Enable OSD on this channel */
+ reg |= (1 << solo_enc->ch);
+ solo_reg_write(solo_dev, SOLO_VE_OSD_CH, reg);
+
+ return 0;
+}
+
+/**
+ * Set channel Quality Profile (0-3).
+ */
+void solo_s_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch,
+ unsigned int qp)
+{
+ unsigned long flags;
+ unsigned int idx, reg;
+
+ if ((ch > 31) || (qp > 3))
+ return;
+
+ if (solo_dev->type == SOLO_DEV_6010)
+ return;
+
+ if (ch < 16) {
+ idx = 0;
+ reg = SOLO_VE_JPEG_QP_CH_L;
+ } else {
+ ch -= 16;
+ idx = 1;
+ reg = SOLO_VE_JPEG_QP_CH_H;
+ }
+ ch *= 2;
+
+ spin_lock_irqsave(&solo_dev->jpeg_qp_lock, flags);
+
+ solo_dev->jpeg_qp[idx] &= ~(3 << ch);
+ solo_dev->jpeg_qp[idx] |= (qp & 3) << ch;
+
+ solo_reg_write(solo_dev, reg, solo_dev->jpeg_qp[idx]);
+
+ spin_unlock_irqrestore(&solo_dev->jpeg_qp_lock, flags);
+}
+
+int solo_g_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch)
+{
+ int idx;
+
+ if (solo_dev->type == SOLO_DEV_6010)
+ return 2;
+
+ if (WARN_ON_ONCE(ch > 31))
+ return 2;
+
+ if (ch < 16) {
+ idx = 0;
+ } else {
+ ch -= 16;
+ idx = 1;
+ }
+ ch *= 2;
+
+ return (solo_dev->jpeg_qp[idx] >> ch) & 3;
+}
+
+#define SOLO_QP_INIT 0xaaaaaaaa
+
+static void solo_jpeg_config(struct solo_dev *solo_dev)
+{
+ if (solo_dev->type == SOLO_DEV_6010) {
+ solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_TBL,
+ (2 << 24) | (2 << 16) | (2 << 8) | 2);
+ } else {
+ solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_TBL,
+ (4 << 24) | (3 << 16) | (2 << 8) | 1);
+ }
+
+ spin_lock_init(&solo_dev->jpeg_qp_lock);
+
+ /* Initialize Quality Profile for all channels */
+ solo_dev->jpeg_qp[0] = solo_dev->jpeg_qp[1] = SOLO_QP_INIT;
+ solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_CH_L, SOLO_QP_INIT);
+ solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_CH_H, SOLO_QP_INIT);
+
+ solo_reg_write(solo_dev, SOLO_VE_JPEG_CFG,
+ (SOLO_JPEG_EXT_SIZE(solo_dev) & 0xffff0000) |
+ ((SOLO_JPEG_EXT_ADDR(solo_dev) >> 16) & 0x0000ffff));
+ solo_reg_write(solo_dev, SOLO_VE_JPEG_CTRL, 0xffffffff);
+ if (solo_dev->type == SOLO_DEV_6110) {
+ solo_reg_write(solo_dev, SOLO_VE_JPEG_CFG1,
+ (0 << 16) | (30 << 8) | 60);
+ }
+}
+
+static void solo_mp4e_config(struct solo_dev *solo_dev)
+{
+ int i;
+ u32 cfg;
+
+ solo_reg_write(solo_dev, SOLO_VE_CFG0,
+ SOLO_VE_INTR_CTRL(IRQ_LEVEL) |
+ SOLO_VE_BLOCK_SIZE(SOLO_MP4E_EXT_SIZE(solo_dev) >> 16) |
+ SOLO_VE_BLOCK_BASE(SOLO_MP4E_EXT_ADDR(solo_dev) >> 16));
+
+
+ cfg = SOLO_VE_BYTE_ALIGN(2) | SOLO_VE_INSERT_INDEX
+ | SOLO_VE_MOTION_MODE(0);
+ if (solo_dev->type != SOLO_DEV_6010) {
+ cfg |= SOLO_VE_MPEG_SIZE_H(
+ (SOLO_MP4E_EXT_SIZE(solo_dev) >> 24) & 0x0f);
+ cfg |= SOLO_VE_JPEG_SIZE_H(
+ (SOLO_JPEG_EXT_SIZE(solo_dev) >> 24) & 0x0f);
+ }
+ solo_reg_write(solo_dev, SOLO_VE_CFG1, cfg);
+
+ solo_reg_write(solo_dev, SOLO_VE_WMRK_POLY, 0);
+ solo_reg_write(solo_dev, SOLO_VE_VMRK_INIT_KEY, 0);
+ solo_reg_write(solo_dev, SOLO_VE_WMRK_STRL, 0);
+ if (solo_dev->type == SOLO_DEV_6110)
+ solo_reg_write(solo_dev, SOLO_VE_WMRK_ENABLE, 0);
+ solo_reg_write(solo_dev, SOLO_VE_ENCRYP_POLY, 0);
+ solo_reg_write(solo_dev, SOLO_VE_ENCRYP_INIT, 0);
+
+ solo_reg_write(solo_dev, SOLO_VE_ATTR,
+ SOLO_VE_LITTLE_ENDIAN |
+ SOLO_COMP_ATTR_FCODE(1) |
+ SOLO_COMP_TIME_INC(0) |
+ SOLO_COMP_TIME_WIDTH(15) |
+ SOLO_DCT_INTERVAL(solo_dev->type == SOLO_DEV_6010 ? 9 : 10));
+
+ for (i = 0; i < solo_dev->nr_chans; i++) {
+ solo_reg_write(solo_dev, SOLO_VE_CH_REF_BASE(i),
+ (SOLO_EREF_EXT_ADDR(solo_dev) +
+ (i * SOLO_EREF_EXT_SIZE)) >> 16);
+ solo_reg_write(solo_dev, SOLO_VE_CH_REF_BASE_E(i),
+ (SOLO_EREF_EXT_ADDR(solo_dev) +
+ ((i + 16) * SOLO_EREF_EXT_SIZE)) >> 16);
+ }
+
+ if (solo_dev->type == SOLO_DEV_6110) {
+ solo_reg_write(solo_dev, SOLO_VE_COMPT_MOT, 0x00040008);
+ } else {
+ for (i = 0; i < solo_dev->nr_chans; i++)
+ solo_reg_write(solo_dev, SOLO_VE_CH_MOT(i), 0x100);
+ }
+}
+
+int solo_enc_init(struct solo_dev *solo_dev)
+{
+ int i;
+
+ solo_capture_config(solo_dev);
+ solo_mp4e_config(solo_dev);
+ solo_jpeg_config(solo_dev);
+
+ for (i = 0; i < solo_dev->nr_chans; i++) {
+ solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(i), 0);
+ solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(i), 0);
+ }
+
+ return 0;
+}
+
+void solo_enc_exit(struct solo_dev *solo_dev)
+{
+ int i;
+
+ for (i = 0; i < solo_dev->nr_chans; i++) {
+ solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(i), 0);
+ solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(i), 0);
+ }
+}