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Diffstat (limited to 'drivers/media/pci/cx18/cx18-av-core.c')
-rw-r--r--drivers/media/pci/cx18/cx18-av-core.c1401
1 files changed, 1401 insertions, 0 deletions
diff --git a/drivers/media/pci/cx18/cx18-av-core.c b/drivers/media/pci/cx18/cx18-av-core.c
new file mode 100644
index 000000000000..f164b7f610a5
--- /dev/null
+++ b/drivers/media/pci/cx18/cx18-av-core.c
@@ -0,0 +1,1401 @@
+/*
+ * cx18 ADEC audio functions
+ *
+ * Derived from cx25840-core.c
+ *
+ * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
+ * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <media/v4l2-chip-ident.h>
+#include "cx18-driver.h"
+#include "cx18-io.h"
+#include "cx18-cards.h"
+
+int cx18_av_write(struct cx18 *cx, u16 addr, u8 value)
+{
+ u32 reg = 0xc40000 + (addr & ~3);
+ u32 mask = 0xff;
+ int shift = (addr & 3) * 8;
+ u32 x = cx18_read_reg(cx, reg);
+
+ x = (x & ~(mask << shift)) | ((u32)value << shift);
+ cx18_write_reg(cx, x, reg);
+ return 0;
+}
+
+int cx18_av_write_expect(struct cx18 *cx, u16 addr, u8 value, u8 eval, u8 mask)
+{
+ u32 reg = 0xc40000 + (addr & ~3);
+ int shift = (addr & 3) * 8;
+ u32 x = cx18_read_reg(cx, reg);
+
+ x = (x & ~((u32)0xff << shift)) | ((u32)value << shift);
+ cx18_write_reg_expect(cx, x, reg,
+ ((u32)eval << shift), ((u32)mask << shift));
+ return 0;
+}
+
+int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value)
+{
+ cx18_write_reg(cx, value, 0xc40000 + addr);
+ return 0;
+}
+
+int
+cx18_av_write4_expect(struct cx18 *cx, u16 addr, u32 value, u32 eval, u32 mask)
+{
+ cx18_write_reg_expect(cx, value, 0xc40000 + addr, eval, mask);
+ return 0;
+}
+
+int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value)
+{
+ cx18_write_reg_noretry(cx, value, 0xc40000 + addr);
+ return 0;
+}
+
+u8 cx18_av_read(struct cx18 *cx, u16 addr)
+{
+ u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3));
+ int shift = (addr & 3) * 8;
+
+ return (x >> shift) & 0xff;
+}
+
+u32 cx18_av_read4(struct cx18 *cx, u16 addr)
+{
+ return cx18_read_reg(cx, 0xc40000 + addr);
+}
+
+int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask,
+ u8 or_value)
+{
+ return cx18_av_write(cx, addr,
+ (cx18_av_read(cx, addr) & and_mask) |
+ or_value);
+}
+
+int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask,
+ u32 or_value)
+{
+ return cx18_av_write4(cx, addr,
+ (cx18_av_read4(cx, addr) & and_mask) |
+ or_value);
+}
+
+static void cx18_av_init(struct cx18 *cx)
+{
+ /*
+ * The crystal freq used in calculations in this driver will be
+ * 28.636360 MHz.
+ * Aim to run the PLLs' VCOs near 400 MHz to minimze errors.
+ */
+
+ /*
+ * VDCLK Integer = 0x0f, Post Divider = 0x04
+ * AIMCLK Integer = 0x0e, Post Divider = 0x16
+ */
+ cx18_av_write4(cx, CXADEC_PLL_CTRL1, 0x160e040f);
+
+ /* VDCLK Fraction = 0x2be2fe */
+ /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz before post divide */
+ cx18_av_write4(cx, CXADEC_VID_PLL_FRAC, 0x002be2fe);
+
+ /* AIMCLK Fraction = 0x05227ad */
+ /* xtal * 0xe.2913d68/0x16 = 48000 * 384: 406 MHz pre post-div*/
+ cx18_av_write4(cx, CXADEC_AUX_PLL_FRAC, 0x005227ad);
+
+ /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x16 */
+ cx18_av_write(cx, CXADEC_I2S_MCLK, 0x56);
+}
+
+static void cx18_av_initialize(struct v4l2_subdev *sd)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ int default_volume;
+ u32 v;
+
+ cx18_av_loadfw(cx);
+ /* Stop 8051 code execution */
+ cx18_av_write4_expect(cx, CXADEC_DL_CTL, 0x03000000,
+ 0x03000000, 0x13000000);
+
+ /* initallize the PLL by toggling sleep bit */
+ v = cx18_av_read4(cx, CXADEC_HOST_REG1);
+ /* enable sleep mode - register appears to be read only... */
+ cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v | 1, v, 0xfffe);
+ /* disable sleep mode */
+ cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v & 0xfffe,
+ v & 0xfffe, 0xffff);
+
+ /* initialize DLLs */
+ v = cx18_av_read4(cx, CXADEC_DLL1_DIAG_CTRL) & 0xE1FFFEFF;
+ /* disable FLD */
+ cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v);
+ /* enable FLD */
+ cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v | 0x10000100);
+
+ v = cx18_av_read4(cx, CXADEC_DLL2_DIAG_CTRL) & 0xE1FFFEFF;
+ /* disable FLD */
+ cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v);
+ /* enable FLD */
+ cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v | 0x06000100);
+
+ /* set analog bias currents. Set Vreg to 1.20V. */
+ cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL1, 0x000A1802);
+
+ v = cx18_av_read4(cx, CXADEC_AFE_DIAG_CTRL3) | 1;
+ /* enable TUNE_FIL_RST */
+ cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, v, v, 0x03009F0F);
+ /* disable TUNE_FIL_RST */
+ cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3,
+ v & 0xFFFFFFFE, v & 0xFFFFFFFE, 0x03009F0F);
+
+ /* enable 656 output */
+ cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x040C00);
+
+ /* video output drive strength */
+ cx18_av_and_or4(cx, CXADEC_PIN_CTRL2, ~0, 0x2);
+
+ /* reset video */
+ cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0x8000);
+ cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0);
+
+ /*
+ * Disable Video Auto-config of the Analog Front End and Video PLL.
+ *
+ * Since we only use BT.656 pixel mode, which works for both 525 and 625
+ * line systems, it's just easier for us to set registers
+ * 0x102 (CXADEC_CHIP_CTRL), 0x104-0x106 (CXADEC_AFE_CTRL),
+ * 0x108-0x109 (CXADEC_PLL_CTRL1), and 0x10c-0x10f (CXADEC_VID_PLL_FRAC)
+ * ourselves, than to run around cleaning up after the auto-config.
+ *
+ * (Note: my CX23418 chip doesn't seem to let the ACFG_DIS bit
+ * get set to 1, but OTOH, it doesn't seem to do AFE and VID PLL
+ * autoconfig either.)
+ *
+ * As a default, also turn off Dual mode for ADC2 and set ADC2 to CH3.
+ */
+ cx18_av_and_or4(cx, CXADEC_CHIP_CTRL, 0xFFFBFFFF, 0x00120000);
+
+ /* Setup the Video and and Aux/Audio PLLs */
+ cx18_av_init(cx);
+
+ /* set video to auto-detect */
+ /* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */
+ /* set the comb notch = 1 */
+ cx18_av_and_or4(cx, CXADEC_MODE_CTRL, 0xFFF7E7F0, 0x02040800);
+
+ /* Enable wtw_en in CRUSH_CTRL (Set bit 22) */
+ /* Enable maj_sel in CRUSH_CTRL (Set bit 20) */
+ cx18_av_and_or4(cx, CXADEC_CRUSH_CTRL, ~0, 0x00500000);
+
+ /* Set VGA_TRACK_RANGE to 0x20 */
+ cx18_av_and_or4(cx, CXADEC_DFE_CTRL2, 0xFFFF00FF, 0x00002000);
+
+ /*
+ * Initial VBI setup
+ * VIP-1.1, 10 bit mode, enable Raw, disable sliced,
+ * don't clamp raw samples when codes are in use, 1 byte user D-words,
+ * IDID0 has line #, RP code V bit transition on VBLANK, data during
+ * blanking intervals
+ */
+ cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4013252e);
+
+ /* Set the video input.
+ The setting in MODE_CTRL gets lost when we do the above setup */
+ /* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */
+ /* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */
+
+ /*
+ * Analog Front End (AFE)
+ * Default to luma on ch1/ADC1, chroma on ch2/ADC2, SIF on ch3/ADC2
+ * bypass_ch[1-3] use filter
+ * droop_comp_ch[1-3] disable
+ * clamp_en_ch[1-3] disable
+ * aud_in_sel ADC2
+ * luma_in_sel ADC1
+ * chroma_in_sel ADC2
+ * clamp_sel_ch[2-3] midcode
+ * clamp_sel_ch1 video decoder
+ * vga_sel_ch3 audio decoder
+ * vga_sel_ch[1-2] video decoder
+ * half_bw_ch[1-3] disable
+ * +12db_ch[1-3] disable
+ */
+ cx18_av_and_or4(cx, CXADEC_AFE_CTRL, 0xFF000000, 0x00005D00);
+
+/* if(dwEnable && dw3DCombAvailable) { */
+/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */
+/* } else { */
+/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */
+/* } */
+ cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F);
+ default_volume = cx18_av_read(cx, 0x8d4);
+ /*
+ * Enforce the legacy volume scale mapping limits to avoid
+ * -ERANGE errors when initializing the volume control
+ */
+ if (default_volume > 228) {
+ /* Bottom out at -96 dB, v4l2 vol range 0x2e00-0x2fff */
+ default_volume = 228;
+ cx18_av_write(cx, 0x8d4, 228);
+ } else if (default_volume < 20) {
+ /* Top out at + 8 dB, v4l2 vol range 0xfe00-0xffff */
+ default_volume = 20;
+ cx18_av_write(cx, 0x8d4, 20);
+ }
+ default_volume = (((228 - default_volume) >> 1) + 23) << 9;
+ state->volume->cur.val = state->volume->default_value = default_volume;
+ v4l2_ctrl_handler_setup(&state->hdl);
+}
+
+static int cx18_av_reset(struct v4l2_subdev *sd, u32 val)
+{
+ cx18_av_initialize(sd);
+ return 0;
+}
+
+static int cx18_av_load_fw(struct v4l2_subdev *sd)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+
+ if (!state->is_initialized) {
+ /* initialize on first use */
+ state->is_initialized = 1;
+ cx18_av_initialize(sd);
+ }
+ return 0;
+}
+
+void cx18_av_std_setup(struct cx18 *cx)
+{
+ struct cx18_av_state *state = &cx->av_state;
+ struct v4l2_subdev *sd = &state->sd;
+ v4l2_std_id std = state->std;
+
+ /*
+ * Video ADC crystal clock to pixel clock SRC decimation ratio
+ * 28.636360 MHz/13.5 Mpps * 256 = 0x21f.07b
+ */
+ const int src_decimation = 0x21f;
+
+ int hblank, hactive, burst, vblank, vactive, sc;
+ int vblank656;
+ int luma_lpf, uv_lpf, comb;
+ u32 pll_int, pll_frac, pll_post;
+
+ /* datasheet startup, step 8d */
+ if (std & ~V4L2_STD_NTSC)
+ cx18_av_write(cx, 0x49f, 0x11);
+ else
+ cx18_av_write(cx, 0x49f, 0x14);
+
+ /*
+ * Note: At the end of a field, there are 3 sets of half line duration
+ * (double horizontal rate) pulses:
+ *
+ * 5 (625) or 6 (525) half-lines to blank for the vertical retrace
+ * 5 (625) or 6 (525) vertical sync pulses of half line duration
+ * 5 (625) or 6 (525) half-lines of equalization pulses
+ */
+ if (std & V4L2_STD_625_50) {
+ /*
+ * The following relationships of half line counts should hold:
+ * 625 = vblank656 + vactive
+ * 10 = vblank656 - vblank = vsync pulses + equalization pulses
+ *
+ * vblank656: half lines after line 625/mid-313 of blanked video
+ * vblank: half lines, after line 5/317, of blanked video
+ * vactive: half lines of active video +
+ * 5 half lines after the end of active video
+ *
+ * As far as I can tell:
+ * vblank656 starts counting from the falling edge of the first
+ * vsync pulse (start of line 1 or mid-313)
+ * vblank starts counting from the after the 5 vsync pulses and
+ * 5 or 4 equalization pulses (start of line 6 or 318)
+ *
+ * For 625 line systems the driver will extract VBI information
+ * from lines 6-23 and lines 318-335 (but the slicer can only
+ * handle 17 lines, not the 18 in the vblank region).
+ * In addition, we need vblank656 and vblank to be one whole
+ * line longer, to cover line 24 and 336, so the SAV/EAV RP
+ * codes get generated such that the encoder can actually
+ * extract line 23 & 335 (WSS). We'll lose 1 line in each field
+ * at the top of the screen.
+ *
+ * It appears the 5 half lines that happen after active
+ * video must be included in vactive (579 instead of 574),
+ * otherwise the colors get badly displayed in various regions
+ * of the screen. I guess the chroma comb filter gets confused
+ * without them (at least when a PVR-350 is the PAL source).
+ */
+ vblank656 = 48; /* lines 1 - 24 & 313 - 336 */
+ vblank = 38; /* lines 6 - 24 & 318 - 336 */
+ vactive = 579; /* lines 24 - 313 & 337 - 626 */
+
+ /*
+ * For a 13.5 Mpps clock and 15,625 Hz line rate, a line is
+ * is 864 pixels = 720 active + 144 blanking. ITU-R BT.601
+ * specifies 12 luma clock periods or ~ 0.9 * 13.5 Mpps after
+ * the end of active video to start a horizontal line, so that
+ * leaves 132 pixels of hblank to ignore.
+ */
+ hblank = 132;
+ hactive = 720;
+
+ /*
+ * Burst gate delay (for 625 line systems)
+ * Hsync leading edge to color burst rise = 5.6 us
+ * Color burst width = 2.25 us
+ * Gate width = 4 pixel clocks
+ * (5.6 us + 2.25/2 us) * 13.5 Mpps + 4/2 clocks = 92.79 clocks
+ */
+ burst = 93;
+ luma_lpf = 2;
+ if (std & V4L2_STD_PAL) {
+ uv_lpf = 1;
+ comb = 0x20;
+ /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */
+ sc = 688700;
+ } else if (std == V4L2_STD_PAL_Nc) {
+ uv_lpf = 1;
+ comb = 0x20;
+ /* sc = 3582056.25 * src_decimation/28636360 * 2^13 */
+ sc = 556422;
+ } else { /* SECAM */
+ uv_lpf = 0;
+ comb = 0;
+ /* (fr + fb)/2 = (4406260 + 4250000)/2 = 4328130 */
+ /* sc = 4328130 * src_decimation/28636360 * 2^13 */
+ sc = 672314;
+ }
+ } else {
+ /*
+ * The following relationships of half line counts should hold:
+ * 525 = prevsync + vblank656 + vactive
+ * 12 = vblank656 - vblank = vsync pulses + equalization pulses
+ *
+ * prevsync: 6 half-lines before the vsync pulses
+ * vblank656: half lines, after line 3/mid-266, of blanked video
+ * vblank: half lines, after line 9/272, of blanked video
+ * vactive: half lines of active video
+ *
+ * As far as I can tell:
+ * vblank656 starts counting from the falling edge of the first
+ * vsync pulse (start of line 4 or mid-266)
+ * vblank starts counting from the after the 6 vsync pulses and
+ * 6 or 5 equalization pulses (start of line 10 or 272)
+ *
+ * For 525 line systems the driver will extract VBI information
+ * from lines 10-21 and lines 273-284.
+ */
+ vblank656 = 38; /* lines 4 - 22 & 266 - 284 */
+ vblank = 26; /* lines 10 - 22 & 272 - 284 */
+ vactive = 481; /* lines 23 - 263 & 285 - 525 */
+
+ /*
+ * For a 13.5 Mpps clock and 15,734.26 Hz line rate, a line is
+ * is 858 pixels = 720 active + 138 blanking. The Hsync leading
+ * edge should happen 1.2 us * 13.5 Mpps ~= 16 pixels after the
+ * end of active video, leaving 122 pixels of hblank to ignore
+ * before active video starts.
+ */
+ hactive = 720;
+ hblank = 122;
+ luma_lpf = 1;
+ uv_lpf = 1;
+
+ /*
+ * Burst gate delay (for 525 line systems)
+ * Hsync leading edge to color burst rise = 5.3 us
+ * Color burst width = 2.5 us
+ * Gate width = 4 pixel clocks
+ * (5.3 us + 2.5/2 us) * 13.5 Mpps + 4/2 clocks = 90.425 clocks
+ */
+ if (std == V4L2_STD_PAL_60) {
+ burst = 90;
+ luma_lpf = 2;
+ comb = 0x20;
+ /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */
+ sc = 688700;
+ } else if (std == V4L2_STD_PAL_M) {
+ /* The 97 needs to be verified against PAL-M timings */
+ burst = 97;
+ comb = 0x20;
+ /* sc = 3575611.49 * src_decimation/28636360 * 2^13 */
+ sc = 555421;
+ } else {
+ burst = 90;
+ comb = 0x66;
+ /* sc = 3579545.45.. * src_decimation/28636360 * 2^13 */
+ sc = 556032;
+ }
+ }
+
+ /* DEBUG: Displays configured PLL frequency */
+ pll_int = cx18_av_read(cx, 0x108);
+ pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff;
+ pll_post = cx18_av_read(cx, 0x109);
+ CX18_DEBUG_INFO_DEV(sd, "PLL regs = int: %u, frac: %u, post: %u\n",
+ pll_int, pll_frac, pll_post);
+
+ if (pll_post) {
+ int fsc, pll;
+ u64 tmp;
+
+ pll = (28636360L * ((((u64)pll_int) << 25) + pll_frac)) >> 25;
+ pll /= pll_post;
+ CX18_DEBUG_INFO_DEV(sd, "Video PLL = %d.%06d MHz\n",
+ pll / 1000000, pll % 1000000);
+ CX18_DEBUG_INFO_DEV(sd, "Pixel rate = %d.%06d Mpixel/sec\n",
+ pll / 8000000, (pll / 8) % 1000000);
+
+ CX18_DEBUG_INFO_DEV(sd, "ADC XTAL/pixel clock decimation ratio "
+ "= %d.%03d\n", src_decimation / 256,
+ ((src_decimation % 256) * 1000) / 256);
+
+ tmp = 28636360 * (u64) sc;
+ do_div(tmp, src_decimation);
+ fsc = tmp >> 13;
+ CX18_DEBUG_INFO_DEV(sd,
+ "Chroma sub-carrier initial freq = %d.%06d "
+ "MHz\n", fsc / 1000000, fsc % 1000000);
+
+ CX18_DEBUG_INFO_DEV(sd, "hblank %i, hactive %i, vblank %i, "
+ "vactive %i, vblank656 %i, src_dec %i, "
+ "burst 0x%02x, luma_lpf %i, uv_lpf %i, "
+ "comb 0x%02x, sc 0x%06x\n",
+ hblank, hactive, vblank, vactive, vblank656,
+ src_decimation, burst, luma_lpf, uv_lpf,
+ comb, sc);
+ }
+
+ /* Sets horizontal blanking delay and active lines */
+ cx18_av_write(cx, 0x470, hblank);
+ cx18_av_write(cx, 0x471, 0xff & (((hblank >> 8) & 0x3) |
+ (hactive << 4)));
+ cx18_av_write(cx, 0x472, hactive >> 4);
+
+ /* Sets burst gate delay */
+ cx18_av_write(cx, 0x473, burst);
+
+ /* Sets vertical blanking delay and active duration */
+ cx18_av_write(cx, 0x474, vblank);
+ cx18_av_write(cx, 0x475, 0xff & (((vblank >> 8) & 0x3) |
+ (vactive << 4)));
+ cx18_av_write(cx, 0x476, vactive >> 4);
+ cx18_av_write(cx, 0x477, vblank656);
+
+ /* Sets src decimation rate */
+ cx18_av_write(cx, 0x478, 0xff & src_decimation);
+ cx18_av_write(cx, 0x479, 0xff & (src_decimation >> 8));
+
+ /* Sets Luma and UV Low pass filters */
+ cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30));
+
+ /* Enables comb filters */
+ cx18_av_write(cx, 0x47b, comb);
+
+ /* Sets SC Step*/
+ cx18_av_write(cx, 0x47c, sc);
+ cx18_av_write(cx, 0x47d, 0xff & sc >> 8);
+ cx18_av_write(cx, 0x47e, 0xff & sc >> 16);
+
+ if (std & V4L2_STD_625_50) {
+ state->slicer_line_delay = 1;
+ state->slicer_line_offset = (6 + state->slicer_line_delay - 2);
+ } else {
+ state->slicer_line_delay = 0;
+ state->slicer_line_offset = (10 + state->slicer_line_delay - 2);
+ }
+ cx18_av_write(cx, 0x47f, state->slicer_line_delay);
+}
+
+static void input_change(struct cx18 *cx)
+{
+ struct cx18_av_state *state = &cx->av_state;
+ v4l2_std_id std = state->std;
+ u8 v;
+
+ /* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */
+ cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
+ cx18_av_and_or(cx, 0x401, ~0x60, 0);
+ cx18_av_and_or(cx, 0x401, ~0x60, 0x60);
+
+ if (std & V4L2_STD_525_60) {
+ if (std == V4L2_STD_NTSC_M_JP) {
+ /* Japan uses EIAJ audio standard */
+ cx18_av_write_expect(cx, 0x808, 0xf7, 0xf7, 0xff);
+ cx18_av_write_expect(cx, 0x80b, 0x02, 0x02, 0x3f);
+ } else if (std == V4L2_STD_NTSC_M_KR) {
+ /* South Korea uses A2 audio standard */
+ cx18_av_write_expect(cx, 0x808, 0xf8, 0xf8, 0xff);
+ cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
+ } else {
+ /* Others use the BTSC audio standard */
+ cx18_av_write_expect(cx, 0x808, 0xf6, 0xf6, 0xff);
+ cx18_av_write_expect(cx, 0x80b, 0x01, 0x01, 0x3f);
+ }
+ } else if (std & V4L2_STD_PAL) {
+ /* Follow tuner change procedure for PAL */
+ cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff);
+ cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
+ } else if (std & V4L2_STD_SECAM) {
+ /* Select autodetect for SECAM */
+ cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff);
+ cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
+ }
+
+ v = cx18_av_read(cx, 0x803);
+ if (v & 0x10) {
+ /* restart audio decoder microcontroller */
+ v &= ~0x10;
+ cx18_av_write_expect(cx, 0x803, v, v, 0x1f);
+ v |= 0x10;
+ cx18_av_write_expect(cx, 0x803, v, v, 0x1f);
+ }
+}
+
+static int cx18_av_s_frequency(struct v4l2_subdev *sd,
+ struct v4l2_frequency *freq)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ input_change(cx);
+ return 0;
+}
+
+static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
+ enum cx18_av_audio_input aud_input)
+{
+ struct cx18_av_state *state = &cx->av_state;
+ struct v4l2_subdev *sd = &state->sd;
+
+ enum analog_signal_type {
+ NONE, CVBS, Y, C, SIF, Pb, Pr
+ } ch[3] = {NONE, NONE, NONE};
+
+ u8 afe_mux_cfg;
+ u8 adc2_cfg;
+ u8 input_mode;
+ u32 afe_cfg;
+ int i;
+
+ CX18_DEBUG_INFO_DEV(sd, "decoder set video input %d, audio input %d\n",
+ vid_input, aud_input);
+
+ if (vid_input >= CX18_AV_COMPOSITE1 &&
+ vid_input <= CX18_AV_COMPOSITE8) {
+ afe_mux_cfg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1);
+ ch[0] = CVBS;
+ input_mode = 0x0;
+ } else if (vid_input >= CX18_AV_COMPONENT_LUMA1) {
+ int luma = vid_input & 0xf000;
+ int r_chroma = vid_input & 0xf0000;
+ int b_chroma = vid_input & 0xf00000;
+
+ if ((vid_input & ~0xfff000) ||
+ luma < CX18_AV_COMPONENT_LUMA1 ||
+ luma > CX18_AV_COMPONENT_LUMA8 ||
+ r_chroma < CX18_AV_COMPONENT_R_CHROMA4 ||
+ r_chroma > CX18_AV_COMPONENT_R_CHROMA6 ||
+ b_chroma < CX18_AV_COMPONENT_B_CHROMA7 ||
+ b_chroma > CX18_AV_COMPONENT_B_CHROMA8) {
+ CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n",
+ vid_input);
+ return -EINVAL;
+ }
+ afe_mux_cfg = (luma - CX18_AV_COMPONENT_LUMA1) >> 12;
+ ch[0] = Y;
+ afe_mux_cfg |= (r_chroma - CX18_AV_COMPONENT_R_CHROMA4) >> 12;
+ ch[1] = Pr;
+ afe_mux_cfg |= (b_chroma - CX18_AV_COMPONENT_B_CHROMA7) >> 14;
+ ch[2] = Pb;
+ input_mode = 0x6;
+ } else {
+ int luma = vid_input & 0xf0;
+ int chroma = vid_input & 0xf00;
+
+ if ((vid_input & ~0xff0) ||
+ luma < CX18_AV_SVIDEO_LUMA1 ||
+ luma > CX18_AV_SVIDEO_LUMA8 ||
+ chroma < CX18_AV_SVIDEO_CHROMA4 ||
+ chroma > CX18_AV_SVIDEO_CHROMA8) {
+ CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n",
+ vid_input);
+ return -EINVAL;
+ }
+ afe_mux_cfg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4);
+ ch[0] = Y;
+ if (chroma >= CX18_AV_SVIDEO_CHROMA7) {
+ afe_mux_cfg &= 0x3f;
+ afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2;
+ ch[2] = C;
+ } else {
+ afe_mux_cfg &= 0xcf;
+ afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4;
+ ch[1] = C;
+ }
+ input_mode = 0x2;
+ }
+
+ switch (aud_input) {
+ case CX18_AV_AUDIO_SERIAL1:
+ case CX18_AV_AUDIO_SERIAL2:
+ /* do nothing, use serial audio input */
+ break;
+ case CX18_AV_AUDIO4:
+ afe_mux_cfg &= ~0x30;
+ ch[1] = SIF;
+ break;
+ case CX18_AV_AUDIO5:
+ afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x10;
+ ch[1] = SIF;
+ break;
+ case CX18_AV_AUDIO6:
+ afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x20;
+ ch[1] = SIF;
+ break;
+ case CX18_AV_AUDIO7:
+ afe_mux_cfg &= ~0xc0;
+ ch[2] = SIF;
+ break;
+ case CX18_AV_AUDIO8:
+ afe_mux_cfg = (afe_mux_cfg & ~0xc0) | 0x40;
+ ch[2] = SIF;
+ break;
+
+ default:
+ CX18_ERR_DEV(sd, "0x%04x is not a valid audio input!\n",
+ aud_input);
+ return -EINVAL;
+ }
+
+ /* Set up analog front end multiplexers */
+ cx18_av_write_expect(cx, 0x103, afe_mux_cfg, afe_mux_cfg, 0xf7);
+ /* Set INPUT_MODE to Composite, S-Video, or Component */
+ cx18_av_and_or(cx, 0x401, ~0x6, input_mode);
+
+ /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
+ adc2_cfg = cx18_av_read(cx, 0x102);
+ if (ch[2] == NONE)
+ adc2_cfg &= ~0x2; /* No sig on CH3, set ADC2 to CH2 for input */
+ else
+ adc2_cfg |= 0x2; /* Signal on CH3, set ADC2 to CH3 for input */
+
+ /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */
+ if (ch[1] != NONE && ch[2] != NONE)
+ adc2_cfg |= 0x4; /* Set dual mode */
+ else
+ adc2_cfg &= ~0x4; /* Clear dual mode */
+ cx18_av_write_expect(cx, 0x102, adc2_cfg, adc2_cfg, 0x17);
+
+ /* Configure the analog front end */
+ afe_cfg = cx18_av_read4(cx, CXADEC_AFE_CTRL);
+ afe_cfg &= 0xff000000;
+ afe_cfg |= 0x00005000; /* CHROMA_IN, AUD_IN: ADC2; LUMA_IN: ADC1 */
+ if (ch[1] != NONE && ch[2] != NONE)
+ afe_cfg |= 0x00000030; /* half_bw_ch[2-3] since in dual mode */
+
+ for (i = 0; i < 3; i++) {
+ switch (ch[i]) {
+ default:
+ case NONE:
+ /* CLAMP_SEL = Fixed to midcode clamp level */
+ afe_cfg |= (0x00000200 << i);
+ break;
+ case CVBS:
+ case Y:
+ if (i > 0)
+ afe_cfg |= 0x00002000; /* LUMA_IN_SEL: ADC2 */
+ break;
+ case C:
+ case Pb:
+ case Pr:
+ /* CLAMP_SEL = Fixed to midcode clamp level */
+ afe_cfg |= (0x00000200 << i);
+ if (i == 0 && ch[i] == C)
+ afe_cfg &= ~0x00001000; /* CHROMA_IN_SEL ADC1 */
+ break;
+ case SIF:
+ /*
+ * VGA_GAIN_SEL = Audio Decoder
+ * CLAMP_SEL = Fixed to midcode clamp level
+ */
+ afe_cfg |= (0x00000240 << i);
+ if (i == 0)
+ afe_cfg &= ~0x00004000; /* AUD_IN_SEL ADC1 */
+ break;
+ }
+ }
+
+ cx18_av_write4(cx, CXADEC_AFE_CTRL, afe_cfg);
+
+ state->vid_input = vid_input;
+ state->aud_input = aud_input;
+ cx18_av_audio_set_path(cx);
+ input_change(cx);
+ return 0;
+}
+
+static int cx18_av_s_video_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ return set_input(cx, input, state->aud_input);
+}
+
+static int cx18_av_s_audio_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ return set_input(cx, state->vid_input, input);
+}
+
+static int cx18_av_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ u8 vpres;
+ u8 mode;
+ int val = 0;
+
+ if (state->radio)
+ return 0;
+
+ vpres = cx18_av_read(cx, 0x40e) & 0x20;
+ vt->signal = vpres ? 0xffff : 0x0;
+
+ vt->capability |=
+ V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
+ V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
+
+ mode = cx18_av_read(cx, 0x804);
+
+ /* get rxsubchans and audmode */
+ if ((mode & 0xf) == 1)
+ val |= V4L2_TUNER_SUB_STEREO;
+ else
+ val |= V4L2_TUNER_SUB_MONO;
+
+ if (mode == 2 || mode == 4)
+ val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
+
+ if (mode & 0x10)
+ val |= V4L2_TUNER_SUB_SAP;
+
+ vt->rxsubchans = val;
+ vt->audmode = state->audmode;
+ return 0;
+}
+
+static int cx18_av_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ u8 v;
+
+ if (state->radio)
+ return 0;
+
+ v = cx18_av_read(cx, 0x809);
+ v &= ~0xf;
+
+ switch (vt->audmode) {
+ case V4L2_TUNER_MODE_MONO:
+ /* mono -> mono
+ stereo -> mono
+ bilingual -> lang1 */
+ break;
+ case V4L2_TUNER_MODE_STEREO:
+ case V4L2_TUNER_MODE_LANG1:
+ /* mono -> mono
+ stereo -> stereo
+ bilingual -> lang1 */
+ v |= 0x4;
+ break;
+ case V4L2_TUNER_MODE_LANG1_LANG2:
+ /* mono -> mono
+ stereo -> stereo
+ bilingual -> lang1/lang2 */
+ v |= 0x7;
+ break;
+ case V4L2_TUNER_MODE_LANG2:
+ /* mono -> mono
+ stereo -> stereo
+ bilingual -> lang2 */
+ v |= 0x1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ cx18_av_write_expect(cx, 0x809, v, v, 0xff);
+ state->audmode = vt->audmode;
+ return 0;
+}
+
+static int cx18_av_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
+ u8 fmt = 0; /* zero is autodetect */
+ u8 pal_m = 0;
+
+ if (state->radio == 0 && state->std == norm)
+ return 0;
+
+ state->radio = 0;
+ state->std = norm;
+
+ /* First tests should be against specific std */
+ if (state->std == V4L2_STD_NTSC_M_JP) {
+ fmt = 0x2;
+ } else if (state->std == V4L2_STD_NTSC_443) {
+ fmt = 0x3;
+ } else if (state->std == V4L2_STD_PAL_M) {
+ pal_m = 1;
+ fmt = 0x5;
+ } else if (state->std == V4L2_STD_PAL_N) {
+ fmt = 0x6;
+ } else if (state->std == V4L2_STD_PAL_Nc) {
+ fmt = 0x7;
+ } else if (state->std == V4L2_STD_PAL_60) {
+ fmt = 0x8;
+ } else {
+ /* Then, test against generic ones */
+ if (state->std & V4L2_STD_NTSC)
+ fmt = 0x1;
+ else if (state->std & V4L2_STD_PAL)
+ fmt = 0x4;
+ else if (state->std & V4L2_STD_SECAM)
+ fmt = 0xc;
+ }
+
+ CX18_DEBUG_INFO_DEV(sd, "changing video std to fmt %i\n", fmt);
+
+ /* Follow step 9 of section 3.16 in the cx18_av datasheet.
+ Without this PAL may display a vertical ghosting effect.
+ This happens for example with the Yuan MPC622. */
+ if (fmt >= 4 && fmt < 8) {
+ /* Set format to NTSC-M */
+ cx18_av_and_or(cx, 0x400, ~0xf, 1);
+ /* Turn off LCOMB */
+ cx18_av_and_or(cx, 0x47b, ~6, 0);
+ }
+ cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20);
+ cx18_av_and_or(cx, 0x403, ~0x3, pal_m);
+ cx18_av_std_setup(cx);
+ input_change(cx);
+ return 0;
+}
+
+static int cx18_av_s_radio(struct v4l2_subdev *sd)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ state->radio = 1;
+ return 0;
+}
+
+static int cx18_av_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = to_sd(ctrl);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ cx18_av_write(cx, 0x414, ctrl->val - 128);
+ break;
+
+ case V4L2_CID_CONTRAST:
+ cx18_av_write(cx, 0x415, ctrl->val << 1);
+ break;
+
+ case V4L2_CID_SATURATION:
+ cx18_av_write(cx, 0x420, ctrl->val << 1);
+ cx18_av_write(cx, 0x421, ctrl->val << 1);
+ break;
+
+ case V4L2_CID_HUE:
+ cx18_av_write(cx, 0x422, ctrl->val);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int cx18_av_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *fmt)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
+ int is_50Hz = !(state->std & V4L2_STD_525_60);
+
+ if (fmt->code != V4L2_MBUS_FMT_FIXED)
+ return -EINVAL;
+
+ fmt->field = V4L2_FIELD_INTERLACED;
+ fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
+
+ Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4;
+ Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4;
+
+ Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4;
+ Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4;
+
+ /*
+ * This adjustment reflects the excess of vactive, set in
+ * cx18_av_std_setup(), above standard values:
+ *
+ * 480 + 1 for 60 Hz systems
+ * 576 + 3 for 50 Hz systems
+ */
+ Vlines = fmt->height + (is_50Hz ? 3 : 1);
+
+ /*
+ * Invalid height and width scaling requests are:
+ * 1. width less than 1/16 of the source width
+ * 2. width greater than the source width
+ * 3. height less than 1/8 of the source height
+ * 4. height greater than the source height
+ */
+ if ((fmt->width * 16 < Hsrc) || (Hsrc < fmt->width) ||
+ (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
+ CX18_ERR_DEV(sd, "%dx%d is not a valid size!\n",
+ fmt->width, fmt->height);
+ return -ERANGE;
+ }
+
+ HSC = (Hsrc * (1 << 20)) / fmt->width - (1 << 20);
+ VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
+ VSC &= 0x1fff;
+
+ if (fmt->width >= 385)
+ filter = 0;
+ else if (fmt->width > 192)
+ filter = 1;
+ else if (fmt->width > 96)
+ filter = 2;
+ else
+ filter = 3;
+
+ CX18_DEBUG_INFO_DEV(sd,
+ "decoder set size %dx%d -> scale %ux%u\n",
+ fmt->width, fmt->height, HSC, VSC);
+
+ /* HSCALE=HSC */
+ cx18_av_write(cx, 0x418, HSC & 0xff);
+ cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff);
+ cx18_av_write(cx, 0x41a, HSC >> 16);
+ /* VSCALE=VSC */
+ cx18_av_write(cx, 0x41c, VSC & 0xff);
+ cx18_av_write(cx, 0x41d, VSC >> 8);
+ /* VS_INTRLACE=1 VFILT=filter */
+ cx18_av_write(cx, 0x41e, 0x8 | filter);
+ return 0;
+}
+
+static int cx18_av_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
+ CX18_DEBUG_INFO_DEV(sd, "%s output\n", enable ? "enable" : "disable");
+ if (enable) {
+ cx18_av_write(cx, 0x115, 0x8c);
+ cx18_av_write(cx, 0x116, 0x07);
+ } else {
+ cx18_av_write(cx, 0x115, 0x00);
+ cx18_av_write(cx, 0x116, 0x00);
+ }
+ return 0;
+}
+
+static void log_video_status(struct cx18 *cx)
+{
+ static const char *const fmt_strs[] = {
+ "0x0",
+ "NTSC-M", "NTSC-J", "NTSC-4.43",
+ "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
+ "0x9", "0xA", "0xB",
+ "SECAM",
+ "0xD", "0xE", "0xF"
+ };
+
+ struct cx18_av_state *state = &cx->av_state;
+ struct v4l2_subdev *sd = &state->sd;
+ u8 vidfmt_sel = cx18_av_read(cx, 0x400) & 0xf;
+ u8 gen_stat1 = cx18_av_read(cx, 0x40d);
+ u8 gen_stat2 = cx18_av_read(cx, 0x40e);
+ int vid_input = state->vid_input;
+
+ CX18_INFO_DEV(sd, "Video signal: %spresent\n",
+ (gen_stat2 & 0x20) ? "" : "not ");
+ CX18_INFO_DEV(sd, "Detected format: %s\n",
+ fmt_strs[gen_stat1 & 0xf]);
+
+ CX18_INFO_DEV(sd, "Specified standard: %s\n",
+ vidfmt_sel ? fmt_strs[vidfmt_sel]
+ : "automatic detection");
+
+ if (vid_input >= CX18_AV_COMPOSITE1 &&
+ vid_input <= CX18_AV_COMPOSITE8) {
+ CX18_INFO_DEV(sd, "Specified video input: Composite %d\n",
+ vid_input - CX18_AV_COMPOSITE1 + 1);
+ } else {
+ CX18_INFO_DEV(sd, "Specified video input: "
+ "S-Video (Luma In%d, Chroma In%d)\n",
+ (vid_input & 0xf0) >> 4,
+ (vid_input & 0xf00) >> 8);
+ }
+
+ CX18_INFO_DEV(sd, "Specified audioclock freq: %d Hz\n",
+ state->audclk_freq);
+}
+
+static void log_audio_status(struct cx18 *cx)
+{
+ struct cx18_av_state *state = &cx->av_state;
+ struct v4l2_subdev *sd = &state->sd;
+ u8 download_ctl = cx18_av_read(cx, 0x803);
+ u8 mod_det_stat0 = cx18_av_read(cx, 0x804);
+ u8 mod_det_stat1 = cx18_av_read(cx, 0x805);
+ u8 audio_config = cx18_av_read(cx, 0x808);
+ u8 pref_mode = cx18_av_read(cx, 0x809);
+ u8 afc0 = cx18_av_read(cx, 0x80b);
+ u8 mute_ctl = cx18_av_read(cx, 0x8d3);
+ int aud_input = state->aud_input;
+ char *p;
+
+ switch (mod_det_stat0) {
+ case 0x00: p = "mono"; break;
+ case 0x01: p = "stereo"; break;
+ case 0x02: p = "dual"; break;
+ case 0x04: p = "tri"; break;
+ case 0x10: p = "mono with SAP"; break;
+ case 0x11: p = "stereo with SAP"; break;
+ case 0x12: p = "dual with SAP"; break;
+ case 0x14: p = "tri with SAP"; break;
+ case 0xfe: p = "forced mode"; break;
+ default: p = "not defined"; break;
+ }
+ CX18_INFO_DEV(sd, "Detected audio mode: %s\n", p);
+
+ switch (mod_det_stat1) {
+ case 0x00: p = "not defined"; break;
+ case 0x01: p = "EIAJ"; break;
+ case 0x02: p = "A2-M"; break;
+ case 0x03: p = "A2-BG"; break;
+ case 0x04: p = "A2-DK1"; break;
+ case 0x05: p = "A2-DK2"; break;
+ case 0x06: p = "A2-DK3"; break;
+ case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
+ case 0x08: p = "AM-L"; break;
+ case 0x09: p = "NICAM-BG"; break;
+ case 0x0a: p = "NICAM-DK"; break;
+ case 0x0b: p = "NICAM-I"; break;
+ case 0x0c: p = "NICAM-L"; break;
+ case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
+ case 0x0e: p = "IF FM Radio"; break;
+ case 0x0f: p = "BTSC"; break;
+ case 0x10: p = "detected chrominance"; break;
+ case 0xfd: p = "unknown audio standard"; break;
+ case 0xfe: p = "forced audio standard"; break;
+ case 0xff: p = "no detected audio standard"; break;
+ default: p = "not defined"; break;
+ }
+ CX18_INFO_DEV(sd, "Detected audio standard: %s\n", p);
+ CX18_INFO_DEV(sd, "Audio muted: %s\n",
+ (mute_ctl & 0x2) ? "yes" : "no");
+ CX18_INFO_DEV(sd, "Audio microcontroller: %s\n",
+ (download_ctl & 0x10) ? "running" : "stopped");
+
+ switch (audio_config >> 4) {
+ case 0x00: p = "undefined"; break;
+ case 0x01: p = "BTSC"; break;
+ case 0x02: p = "EIAJ"; break;
+ case 0x03: p = "A2-M"; break;
+ case 0x04: p = "A2-BG"; break;
+ case 0x05: p = "A2-DK1"; break;
+ case 0x06: p = "A2-DK2"; break;
+ case 0x07: p = "A2-DK3"; break;
+ case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
+ case 0x09: p = "AM-L"; break;
+ case 0x0a: p = "NICAM-BG"; break;
+ case 0x0b: p = "NICAM-DK"; break;
+ case 0x0c: p = "NICAM-I"; break;
+ case 0x0d: p = "NICAM-L"; break;
+ case 0x0e: p = "FM radio"; break;
+ case 0x0f: p = "automatic detection"; break;
+ default: p = "undefined"; break;
+ }
+ CX18_INFO_DEV(sd, "Configured audio standard: %s\n", p);
+
+ if ((audio_config >> 4) < 0xF) {
+ switch (audio_config & 0xF) {
+ case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
+ case 0x01: p = "MONO2 (LANGUAGE B)"; break;
+ case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
+ case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
+ case 0x04: p = "STEREO"; break;
+ case 0x05: p = "DUAL1 (AC)"; break;
+ case 0x06: p = "DUAL2 (BC)"; break;
+ case 0x07: p = "DUAL3 (AB)"; break;
+ default: p = "undefined";
+ }
+ CX18_INFO_DEV(sd, "Configured audio mode: %s\n", p);
+ } else {
+ switch (audio_config & 0xF) {
+ case 0x00: p = "BG"; break;
+ case 0x01: p = "DK1"; break;
+ case 0x02: p = "DK2"; break;
+ case 0x03: p = "DK3"; break;
+ case 0x04: p = "I"; break;
+ case 0x05: p = "L"; break;
+ case 0x06: p = "BTSC"; break;
+ case 0x07: p = "EIAJ"; break;
+ case 0x08: p = "A2-M"; break;
+ case 0x09: p = "FM Radio (4.5 MHz)"; break;
+ case 0x0a: p = "FM Radio (5.5 MHz)"; break;
+ case 0x0b: p = "S-Video"; break;
+ case 0x0f: p = "automatic standard and mode detection"; break;
+ default: p = "undefined"; break;
+ }
+ CX18_INFO_DEV(sd, "Configured audio system: %s\n", p);
+ }
+
+ if (aud_input)
+ CX18_INFO_DEV(sd, "Specified audio input: Tuner (In%d)\n",
+ aud_input);
+ else
+ CX18_INFO_DEV(sd, "Specified audio input: External\n");
+
+ switch (pref_mode & 0xf) {
+ case 0: p = "mono/language A"; break;
+ case 1: p = "language B"; break;
+ case 2: p = "language C"; break;
+ case 3: p = "analog fallback"; break;
+ case 4: p = "stereo"; break;
+ case 5: p = "language AC"; break;
+ case 6: p = "language BC"; break;
+ case 7: p = "language AB"; break;
+ default: p = "undefined"; break;
+ }
+ CX18_INFO_DEV(sd, "Preferred audio mode: %s\n", p);
+
+ if ((audio_config & 0xf) == 0xf) {
+ switch ((afc0 >> 3) & 0x1) {
+ case 0: p = "system DK"; break;
+ case 1: p = "system L"; break;
+ }
+ CX18_INFO_DEV(sd, "Selected 65 MHz format: %s\n", p);
+
+ switch (afc0 & 0x7) {
+ case 0: p = "Chroma"; break;
+ case 1: p = "BTSC"; break;
+ case 2: p = "EIAJ"; break;
+ case 3: p = "A2-M"; break;
+ case 4: p = "autodetect"; break;
+ default: p = "undefined"; break;
+ }
+ CX18_INFO_DEV(sd, "Selected 45 MHz format: %s\n", p);
+ }
+}
+
+static int cx18_av_log_status(struct v4l2_subdev *sd)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ log_video_status(cx);
+ log_audio_status(cx);
+ return 0;
+}
+
+static inline int cx18_av_dbg_match(const struct v4l2_dbg_match *match)
+{
+ return match->type == V4L2_CHIP_MATCH_HOST && match->addr == 1;
+}
+
+static int cx18_av_g_chip_ident(struct v4l2_subdev *sd,
+ struct v4l2_dbg_chip_ident *chip)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+
+ if (cx18_av_dbg_match(&chip->match)) {
+ chip->ident = state->id;
+ chip->revision = state->rev;
+ }
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int cx18_av_g_register(struct v4l2_subdev *sd,
+ struct v4l2_dbg_register *reg)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
+ if (!cx18_av_dbg_match(&reg->match))
+ return -EINVAL;
+ if ((reg->reg & 0x3) != 0)
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ reg->size = 4;
+ reg->val = cx18_av_read4(cx, reg->reg & 0x00000ffc);
+ return 0;
+}
+
+static int cx18_av_s_register(struct v4l2_subdev *sd,
+ struct v4l2_dbg_register *reg)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
+ if (!cx18_av_dbg_match(&reg->match))
+ return -EINVAL;
+ if ((reg->reg & 0x3) != 0)
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ cx18_av_write4(cx, reg->reg & 0x00000ffc, reg->val);
+ return 0;
+}
+#endif
+
+static const struct v4l2_ctrl_ops cx18_av_ctrl_ops = {
+ .s_ctrl = cx18_av_s_ctrl,
+};
+
+static const struct v4l2_subdev_core_ops cx18_av_general_ops = {
+ .g_chip_ident = cx18_av_g_chip_ident,
+ .log_status = cx18_av_log_status,
+ .load_fw = cx18_av_load_fw,
+ .reset = cx18_av_reset,
+ .g_ctrl = v4l2_subdev_g_ctrl,
+ .s_ctrl = v4l2_subdev_s_ctrl,
+ .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
+ .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
+ .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
+ .queryctrl = v4l2_subdev_queryctrl,
+ .querymenu = v4l2_subdev_querymenu,
+ .s_std = cx18_av_s_std,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .g_register = cx18_av_g_register,
+ .s_register = cx18_av_s_register,
+#endif
+};
+
+static const struct v4l2_subdev_tuner_ops cx18_av_tuner_ops = {
+ .s_radio = cx18_av_s_radio,
+ .s_frequency = cx18_av_s_frequency,
+ .g_tuner = cx18_av_g_tuner,
+ .s_tuner = cx18_av_s_tuner,
+};
+
+static const struct v4l2_subdev_audio_ops cx18_av_audio_ops = {
+ .s_clock_freq = cx18_av_s_clock_freq,
+ .s_routing = cx18_av_s_audio_routing,
+};
+
+static const struct v4l2_subdev_video_ops cx18_av_video_ops = {
+ .s_routing = cx18_av_s_video_routing,
+ .s_stream = cx18_av_s_stream,
+ .s_mbus_fmt = cx18_av_s_mbus_fmt,
+};
+
+static const struct v4l2_subdev_vbi_ops cx18_av_vbi_ops = {
+ .decode_vbi_line = cx18_av_decode_vbi_line,
+ .g_sliced_fmt = cx18_av_g_sliced_fmt,
+ .s_sliced_fmt = cx18_av_s_sliced_fmt,
+ .s_raw_fmt = cx18_av_s_raw_fmt,
+};
+
+static const struct v4l2_subdev_ops cx18_av_ops = {
+ .core = &cx18_av_general_ops,
+ .tuner = &cx18_av_tuner_ops,
+ .audio = &cx18_av_audio_ops,
+ .video = &cx18_av_video_ops,
+ .vbi = &cx18_av_vbi_ops,
+};
+
+int cx18_av_probe(struct cx18 *cx)
+{
+ struct cx18_av_state *state = &cx->av_state;
+ struct v4l2_subdev *sd;
+ int err;
+
+ state->rev = cx18_av_read4(cx, CXADEC_CHIP_CTRL) & 0xffff;
+ state->id = ((state->rev >> 4) == CXADEC_CHIP_TYPE_MAKO)
+ ? V4L2_IDENT_CX23418_843 : V4L2_IDENT_UNKNOWN;
+
+ state->vid_input = CX18_AV_COMPOSITE7;
+ state->aud_input = CX18_AV_AUDIO8;
+ state->audclk_freq = 48000;
+ state->audmode = V4L2_TUNER_MODE_LANG1;
+ state->slicer_line_delay = 0;
+ state->slicer_line_offset = (10 + state->slicer_line_delay - 2);
+
+ sd = &state->sd;
+ v4l2_subdev_init(sd, &cx18_av_ops);
+ v4l2_set_subdevdata(sd, cx);
+ snprintf(sd->name, sizeof(sd->name),
+ "%s %03x", cx->v4l2_dev.name, (state->rev >> 4));
+ sd->grp_id = CX18_HW_418_AV;
+ v4l2_ctrl_handler_init(&state->hdl, 9);
+ v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
+ v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 127, 1, 64);
+ v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 127, 1, 64);
+ v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops,
+ V4L2_CID_HUE, -128, 127, 1, 0);
+
+ state->volume = v4l2_ctrl_new_std(&state->hdl,
+ &cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME,
+ 0, 65535, 65535 / 100, 0);
+ v4l2_ctrl_new_std(&state->hdl,
+ &cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_MUTE,
+ 0, 1, 1, 0);
+ v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops,
+ V4L2_CID_AUDIO_BALANCE,
+ 0, 65535, 65535 / 100, 32768);
+ v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops,
+ V4L2_CID_AUDIO_BASS,
+ 0, 65535, 65535 / 100, 32768);
+ v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops,
+ V4L2_CID_AUDIO_TREBLE,
+ 0, 65535, 65535 / 100, 32768);
+ sd->ctrl_handler = &state->hdl;
+ if (state->hdl.error) {
+ int err = state->hdl.error;
+
+ v4l2_ctrl_handler_free(&state->hdl);
+ return err;
+ }
+ err = v4l2_device_register_subdev(&cx->v4l2_dev, sd);
+ if (err)
+ v4l2_ctrl_handler_free(&state->hdl);
+ else
+ cx18_av_init(cx);
+ return err;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 08:57:43 +0000