V4L/DVB (4553): Add support for saa7111 and partial support for saa7118

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 187 insertions, 65 deletions

diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index d5052dbd074..900c65772fa 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -1,4 +1,6 @@
-/* saa7115 - Philips SAA7113/SAA7114/SAA7115 video decoder driver
+/* saa711x - Philips SAA711x video decoder driver
+ * This driver can work with saa7111, saa7111a, saa7113, saa7114,
+ *                           saa7115 and saa7118.
  *
  * Based on saa7114 driver by Maxim Yevtyushkin, which is based on
  * the saa7111 driver by Dave Perks.
@@ -16,7 +18,9 @@
  * (2/17/2003)
  *
  * VBI support (2004) and cleanups (2005) by Hans Verkuil <hverkuil@xs4all.nl>
- * SAA7113 support by Mauro Carvalho Chehab <mchehab@infradead.org>
+ *
+ * Copyright (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
+ *      SAA7111, SAA7113 and SAA7118 support
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -44,7 +48,7 @@
 #include <media/saa7115.h>
 #include <asm/div64.h>
 
-MODULE_DESCRIPTION("Philips SAA7113/SAA7114/SAA7115 video decoder driver");
+MODULE_DESCRIPTION("Philips SAA7111/SAA7113/SAA7114/SAA7115/SAA7118 video decoder driver");
 MODULE_AUTHOR(  "Maxim Yevtyushkin, Kevin Thayer, Chris Kennedy, "
                 "Hans Verkuil, Mauro Carvalho Chehab");
 MODULE_LICENSE("GPL");
@@ -55,8 +59,8 @@ module_param(debug, bool, 0644);
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
 static unsigned short normal_i2c[] = {
-                0x4a >> 1, 0x48 >> 1,   /* SAA7113 */
-                0x42 >> 1, 0x40 >> 1,   /* SAA7114 and SAA7115 */
+                0x4a >> 1, 0x48 >> 1,   /* SAA7111, SAA7111A and SAA7113 */
+                0x42 >> 1, 0x40 >> 1,   /* SAA7114, SAA7115 and SAA7118 */
                 I2C_CLIENT_END };
 
 
@@ -86,15 +90,58 @@ static inline int saa7115_write(struct i2c_client *client, u8 reg, u8 value)
         return i2c_smbus_write_byte_data(client, reg, value);
 }
 
+/* Sanity routine to check if a register is present */
+static int saa711x_has_reg(const int id, const u8 reg)
+{
+        switch (id) {
+        case V4L2_IDENT_SAA7111:
+                if (reg>0x1f || reg==1 || reg==0x0f || reg==0x14 || reg==0x18
+                                       || reg==0x19 || reg==0x1d || reg==0x1e)
+                        return 0;
+        case V4L2_IDENT_SAA7113:
+                if (reg>0x62 || reg==0x14 || (reg>=0x18 && reg<=0x1e) ||
+                                    (reg>=0x20 && reg<=0x3f) ||reg==0x5f )
+                        return 0;
+        case V4L2_IDENT_SAA7114:
+                if (reg>=0xf0 || (reg>=0x1a && reg<=0x1e) ||
+                                  (reg>=0x20 && reg<=0x2f) ||
+                                  (reg>=0x63 && reg<=0x7f) )
+                        return 0;
+        case V4L2_IDENT_SAA7115:
+                if ((reg>=0x20 && reg<=0x2f) || (reg==0x5c) ||
+                                (reg>=0xfc && reg<=0xfe) )
+                        return 0;
+        case V4L2_IDENT_SAA7118:
+                if (reg>=0xf0 || (reg>=0x1a && reg<=0x1d) ||
+                                        (reg>=0x63 && reg<=0x6f) )
+                        return 0;
+        }
+
+        /* Those registers are reserved for all family */
+        if (unlikely((reg>=0x20 && reg<=0x22) ||
+                        (reg>=0x26 && reg<=0x28) ||
+                        (reg>=0x3b && reg<=0x3f) || (reg==0x5f) ||
+                        (reg>=0x63 && reg<=0x6f) ) )
+                return 0;
+
+        return 1;
+}
+
 static int saa7115_writeregs(struct i2c_client *client, const unsigned char *regs)
 {
+        struct saa7115_state *state = i2c_get_clientdata(client);
         unsigned char reg, data;
 
         while (*regs != 0x00) {
                 reg = *(regs++);
                 data = *(regs++);
-                if (saa7115_write(client, reg, data) < 0)
-                        return -1;
+
+                /* According with datasheets, reserved regs should be
+                   filled with 0 - seems better not to touch on they */
+                if (saa711x_has_reg(state->ident,reg)) {
+                        if (saa7115_write(client, reg, data) < 0)
+                                return -1;
+                }
         }
         return 0;
 }
@@ -106,10 +153,80 @@ static inline int saa7115_read(struct i2c_client *client, u8 reg)
 
 /* ----------------------------------------------------------------------- */
 
+/* SAA7111 initialization table */
+static const unsigned char saa7111_init_auto_input[] = {
+        R_01_INC_DELAY, 0x00,           /* reserved */
+
+        /*front end */
+        R_02_INPUT_CNTL_1, 0xd0,        /* FUSE=3, GUDL=2, MODE=0 */
+        R_03_INPUT_CNTL_2, 0x23,        /* HLNRS=0, VBSL=1, WPOFF=0, HOLDG=0,
+                                         * GAFIX=0, GAI1=256, GAI2=256 */
+        R_04_INPUT_CNTL_3, 0x00,        /* GAI1=256 */
+        R_05_INPUT_CNTL_4, 0x00,        /* GAI2=256 */
+
+        /* decoder */
+        R_06_H_SYNC_START, 0xf3,        /* HSB at  13(50Hz) /  17(60Hz)
+                                         * pixels after end of last line */
+        R_07_H_SYNC_STOP, 0xe8,         /* HSS seems to be needed to
+                                         * work with NTSC, too */
+        R_08_SYNC_CNTL, 0xc8,           /* AUFD=1, FSEL=1, EXFIL=0,
+                                         * VTRC=1, HPLL=0, VNOI=0 */
+        R_09_LUMA_CNTL, 0x01,           /* BYPS=0, PREF=0, BPSS=0,
+                                         * VBLB=0, UPTCV=0, APER=1 */
+        R_0A_LUMA_BRIGHT_CNTL, 0x80,
+        R_0B_LUMA_CONTRAST_CNTL, 0x47,  /* 0b - CONT=1.109 */
+        R_0C_CHROMA_SAT_CNTL, 0x40,
+        R_0D_CHROMA_HUE_CNTL, 0x00,
+        R_0E_CHROMA_CNTL_1, 0x01,       /* 0e - CDTO=0, CSTD=0, DCCF=0,
+                                         * FCTC=0, CHBW=1 */
+        R_0F_CHROMA_GAIN_CNTL, 0x00,    /* reserved */
+        R_10_CHROMA_CNTL_2, 0x48,       /* 10 - OFTS=1, HDEL=0, VRLN=1, YDEL=0 */
+        R_11_MODE_DELAY_CNTL, 0x1c,     /* 11 - GPSW=0, CM99=0, FECO=0, COMPO=1,
+                                         * OEYC=1, OEHV=1, VIPB=0, COLO=0 */
+        R_12_RT_SIGNAL_CNTL, 0x00,      /* 12 - output control 2 */
+        R_13_RT_X_PORT_OUT_CNTL, 0x00,  /* 13 - output control 3 */
+        R_14_ANAL_ADC_COMPAT_CNTL, 0x00,
+        R_15_VGATE_START_FID_CHG, 0x00,
+        R_16_VGATE_STOP, 0x00,
+        R_17_MISC_VGATE_CONF_AND_MSB, 0x00,
+
+        0x00, 0x00
+};
+
+/* SAA7113 init codes */
+static const unsigned char saa7113_init_auto_input[] = {
+        R_01_INC_DELAY, 0x08,
+        R_02_INPUT_CNTL_1, 0xc2,
+        R_03_INPUT_CNTL_2, 0x30,
+        R_04_INPUT_CNTL_3, 0x00,
+        R_05_INPUT_CNTL_4, 0x00,
+        R_06_H_SYNC_START, 0x89,
+        R_07_H_SYNC_STOP, 0x0d,
+        R_08_SYNC_CNTL, 0x88,
+        R_09_LUMA_CNTL, 0x01,
+        R_0A_LUMA_BRIGHT_CNTL, 0x80,
+        R_0B_LUMA_CONTRAST_CNTL, 0x47,
+        R_0C_CHROMA_SAT_CNTL, 0x40,
+        R_0D_CHROMA_HUE_CNTL, 0x00,
+        R_0E_CHROMA_CNTL_1, 0x01,
+        R_0F_CHROMA_GAIN_CNTL, 0x2a,
+        R_10_CHROMA_CNTL_2, 0x08,
+        R_11_MODE_DELAY_CNTL, 0x0c,
+        R_12_RT_SIGNAL_CNTL, 0x07,
+        R_13_RT_X_PORT_OUT_CNTL, 0x00,
+        R_14_ANAL_ADC_COMPAT_CNTL, 0x00,
+        R_15_VGATE_START_FID_CHG, 0x00,
+        R_16_VGATE_STOP, 0x00,
+        R_17_MISC_VGATE_CONF_AND_MSB, 0x00,
+
+        0x00, 0x00
+};
+
 /* If a value differs from the Hauppauge driver values, then the comment starts with
    'was 0xXX' to denote the Hauppauge value. Otherwise the value is identical to what the
    Hauppauge driver sets. */
 
+/* SAA7114 and SAA7115 initialization table */
 static const unsigned char saa7115_init_auto_input[] = {
                 /* Front-End Part */
         R_01_INC_DELAY, 0x48,                   /* white peak control disabled */
@@ -142,6 +259,7 @@ static const unsigned char saa7115_init_auto_input[] = {
         0x00, 0x00
 };
 
+/* Used to reset saa7113, saa7114 and saa7115 */
 static const unsigned char saa7115_cfg_reset_scaler[] = {
         R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, 0x00,    /* disable I-port output */
         R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0,            /* reset scaler */
@@ -152,6 +270,7 @@ static const unsigned char saa7115_cfg_reset_scaler[] = {
 
 /* ============== SAA7715 VIDEO templates =============  */
 
+/* Used on saa7114 and saa7115 */
 static const unsigned char saa7115_cfg_60hz_fullres_x[] = {
         /* hsize = 0x2d0 = 720 */
         R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH, 0xd0,
@@ -170,6 +289,7 @@ static const unsigned char saa7115_cfg_60hz_fullres_x[] = {
         0x00, 0x00
 };
 
+/* Used on saa7114 and saa7115 */
 static const unsigned char saa7115_cfg_60hz_fullres_y[] = {
         /* output window size = 248 (but 60hz is 240?) */
         R_CE_B_VERT_OUTPUT_WINDOW_LENGTH, 0xf8,
@@ -408,33 +528,6 @@ static const unsigned char saa7115_cfg_vbi_off[] = {
         0x00, 0x00
 };
 
-static const unsigned char saa7113_init_auto_input[] = {
-        R_01_INC_DELAY, 0x08,
-        R_02_INPUT_CNTL_1, 0xc2,
-        R_03_INPUT_CNTL_2, 0x30,
-        R_04_INPUT_CNTL_3, 0x00,
-        R_05_INPUT_CNTL_4, 0x00,
-        R_06_H_SYNC_START, 0x89,
-        R_07_H_SYNC_STOP, 0x0d,
-        R_08_SYNC_CNTL, 0x88,
-        R_09_LUMA_CNTL, 0x01,
-        R_0A_LUMA_BRIGHT_CNTL, 0x80,
-        R_0B_LUMA_CONTRAST_CNTL, 0x47,
-        R_0C_CHROMA_SAT_CNTL, 0x40,
-        R_0D_CHROMA_HUE_CNTL, 0x00,
-        R_0E_CHROMA_CNTL_1, 0x01,
-        R_0F_CHROMA_GAIN_CNTL, 0x2a,
-        R_10_CHROMA_CNTL_2, 0x08,
-        R_11_MODE_DELAY_CNTL, 0x0c,
-        R_12_RT_SIGNAL_CNTL, 0x07,
-        R_13_RT_X_PORT_OUT_CNTL, 0x00,
-        R_14_ANAL_ADC_COMPAT_CNTL, 0x00,
-        R_15_VGATE_START_FID_CHG, 0x00,
-        R_16_VGATE_STOP, 0x00,
-        R_17_MISC_VGATE_CONF_AND_MSB, 0x00,
-
-        0x00, 0x00
-};
 
 static const unsigned char saa7115_init_misc[] = {
         R_81_V_SYNC_FLD_ID_SRC_SEL_AND_RETIMED_V_F, 0x01,
@@ -662,7 +755,6 @@ static int saa7115_decode_wss(u8 * p)
         return wss;
 }
 
-
 static int saa7115_set_audio_clock_freq(struct i2c_client *client, u32 freq)
 {
         struct saa7115_state *state = i2c_get_clientdata(client);
@@ -672,16 +764,16 @@ static int saa7115_set_audio_clock_freq(struct i2c_client *client, u32 freq)
         u64 f;
         u8 acc = 0;     /* reg 0x3a, audio clock control */
 
+        /* Checks for chips that don't have audio clock (saa7111, saa7113) */
+        if (!saa711x_has_reg(state->ident,R_30_AUD_MAST_CLK_CYCLES_PER_FIELD))
+                return 0;
+
         v4l_dbg(1, debug, client, "set audio clock freq: %d\n", freq);
 
         /* sanity check */
         if (freq < 32000 || freq > 48000)
                 return -EINVAL;
 
-        /* The saa7113 has no audio clock */
-        if (state->ident == V4L2_IDENT_SAA7113)
-                return 0;
-
         /* hz is the refresh rate times 100 */
         hz = (state->std & V4L2_STD_525_60) ? 5994 : 5000;
         /* acpf = (256 * freq) / field_frequency == (256 * 100 * freq) / hz */
@@ -799,7 +891,6 @@ static int saa7115_get_v4lctrl(struct i2c_client *client, struct v4l2_control *c
 static void saa7115_set_v4lstd(struct i2c_client *client, v4l2_std_id std)
 {
         struct saa7115_state *state = i2c_get_clientdata(client);
-        int taskb = saa7115_read(client, R_80_GLOBAL_CNTL_1) & 0x10;
 
         /* Prevent unnecessary standard changes. During a standard
            change the I-Port is temporarily disabled. Any devices
@@ -821,7 +912,7 @@ static void saa7115_set_v4lstd(struct i2c_client *client, v4l2_std_id std)
         }
 
         /* Register 0E - Bits D6-D4 on NO-AUTO mode
-                (SAA7113 doesn't have auto mode)
+                (SAA7111 and SAA7113 doesn't have auto mode)
             50 Hz / 625 lines           60 Hz / 525 lines
         000 PAL BGDHI (4.43Mhz)         NTSC M (3.58MHz)
         001 NTSC 4.43 (50 Hz)           PAL 4.43 (60 Hz)
@@ -829,7 +920,8 @@ static void saa7115_set_v4lstd(struct i2c_client *client, v4l2_std_id std)
         011 NTSC N (3.58MHz)            PAL M (3.58MHz)
         100 reserved                    NTSC-Japan (3.58MHz)
         */
-        if (state->ident == V4L2_IDENT_SAA7113) {
+        if (state->ident == V4L2_IDENT_SAA7111 ||
+            state->ident == V4L2_IDENT_SAA7113) {
                 u8 reg = saa7115_read(client, R_0E_CHROMA_CNTL_1) & 0x8f;
 
                 if (std == V4L2_STD_PAL_M) {
@@ -842,18 +934,19 @@ static void saa7115_set_v4lstd(struct i2c_client *client, v4l2_std_id std)
                         reg |= 0x40;
                 }
                 saa7115_write(client, R_0E_CHROMA_CNTL_1, reg);
-        }
-
+        } else {
+                /* restart task B if needed */
+                int taskb = saa7115_read(client, R_80_GLOBAL_CNTL_1) & 0x10;
 
-        state->std = std;
+                if (taskb && state->ident == V4L2_IDENT_SAA7114) {
+                        saa7115_writeregs(client, saa7115_cfg_vbi_on);
+                }
 
-        /* restart task B if needed */
-        if (taskb && state->ident != V4L2_IDENT_SAA7115) {
-                saa7115_writeregs(client, saa7115_cfg_vbi_on);
+                /* switch audio mode too! */
+                saa7115_set_audio_clock_freq(client, state->audclk_freq);
         }
 
-        /* switch audio mode too! */
-        saa7115_set_audio_clock_freq(client, state->audclk_freq);
+        state->std = std;
 }
 
 static v4l2_std_id saa7115_get_v4lstd(struct i2c_client *client)
@@ -919,9 +1012,16 @@ static void saa7115_set_lcr(struct i2c_client *client, struct v4l2_sliced_vbi_fo
         u8 lcr[24];
         int i, x;
 
-        /* saa7113/7114 doesn't yet support VBI */
+#if 1
+        /* saa7113/7114/7118 VBI support are experimental */
+        if (!saa711x_has_reg(state->ident,R_41_LCR_BASE))
+                return;
+
+#else
+        /* SAA7113 and SAA7118 also should support VBI - Need testing */
         if (state->ident != V4L2_IDENT_SAA7115)
                 return;
+#endif
 
         for (i = 0; i <= 23; i++)
                 lcr[i] = 0xff;
@@ -1021,8 +1121,9 @@ static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt
         struct saa7115_state *state = i2c_get_clientdata(client);
         struct v4l2_pix_format *pix;
         int HPSC, HFSC;
-        int VSCY, Vsrc;
+        int VSCY;
         int is_50hz = state->std & V4L2_STD_625_50;
+        int Vsrc = is_50hz ? 576 : 480;
 
         if (fmt->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
                 saa7115_set_lcr(client, &fmt->fmt.sliced);
@@ -1041,18 +1142,29 @@ static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt
         if ((pix->height < 1) || (pix->height > 960))
                 return -EINVAL;
 
+        if (!saa711x_has_reg(state->ident,R_D0_B_HORIZ_PRESCALING)) {
+                /* Decoder only supports 720 columns and 480 or 576 lines */
+                if (pix->width != 720)
+                        return -EINVAL;
+                if (pix->height != Vsrc)
+                        return -EINVAL;
+        }
+
         /* probably have a valid size, let's set it */
         /* Set output width/height */
         /* width */
-        saa7115_write(client, R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH,
-                                (u8) (pix->width & 0xff));
-        saa7115_write(client, R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB,
-                                (u8) ((pix->width >> 8) & 0xff));
-        /* height */
-        saa7115_write(client, R_CE_B_VERT_OUTPUT_WINDOW_LENGTH,
-                                (u8) (pix->height & 0xff));
-        saa7115_write(client, R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB,
-                                (u8) ((pix->height >> 8) & 0xff));
+
+        if (!saa711x_has_reg(state->ident,R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH)) {
+                saa7115_write(client, R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH,
+                                        (u8) (pix->width & 0xff));
+                saa7115_write(client, R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB,
+                                        (u8) ((pix->width >> 8) & 0xff));
+                /* height */
+                saa7115_write(client, R_CE_B_VERT_OUTPUT_WINDOW_LENGTH,
+                                        (u8) (pix->height & 0xff));
+                saa7115_write(client, R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB,
+                                        (u8) ((pix->height >> 8) & 0xff));
+        }
 
         /* Scaling settings */
         /* Hprescaler is floor(inres/outres) */
@@ -1090,8 +1202,6 @@ static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt
                 }
         }
 
-        Vsrc = is_50hz ? 576 : 480;
-
         if (pix->height != Vsrc) {
                 VSCY = (int)((1024 * Vsrc) / pix->height);
                 v4l_dbg(1, debug, client, "Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY);
@@ -1123,6 +1233,7 @@ static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt
         }
 
         saa7115_writeregs(client, saa7115_cfg_reset_scaler);
+
         return 0;
 }
 
@@ -1468,15 +1579,25 @@ static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind)
         state->hue = 0;
         state->sat = 64;
         switch (chip_id) {
+        case 1:
+                state->ident = V4L2_IDENT_SAA7111;
+                break;
         case 3:
                 state->ident = V4L2_IDENT_SAA7113;
                 break;
         case 4:
                 state->ident = V4L2_IDENT_SAA7114;
                 break;
-        default:
+        case 5:
                 state->ident = V4L2_IDENT_SAA7115;
                 break;
+        case 8:
+                state->ident = V4L2_IDENT_SAA7118;
+                break;
+        default:
+                state->ident = V4L2_IDENT_SAA7111;
+                v4l_info(client, "WARNING: Chip is not known - Falling back to saa7111\n");
+
         }
 
         state->audclk_freq = 48000;
@@ -1484,7 +1605,8 @@ static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind)
         v4l_dbg(1, debug, client, "writing init values\n");
 
         /* init to 60hz/48khz */
-        if (state->ident == V4L2_IDENT_SAA7113) {
+        if (state->ident == V4L2_IDENT_SAA7111 ||
+                        state->ident == V4L2_IDENT_SAA7113) {
                 state->crystal_freq = SAA7115_FREQ_24_576_MHZ;
                 saa7115_writeregs(client, saa7113_init_auto_input);
         } else {