diff options
Diffstat (limited to 'linux/drivers/media/video/cx18')
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-av-core.c | 148 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-av-core.h | 3 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-av-vbi.c | 147 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-cards.c | 2 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-cards.h | 1 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-driver.c | 1 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-driver.h | 2 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-firmware.c | 54 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-gpio.c | 56 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-gpio.h | 1 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-ioctl.c | 11 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-irq.c | 4 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-irq.h | 4 | ||||
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-streams.c | 6 |
14 files changed, 250 insertions, 190 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-av-core.c b/linux/drivers/media/video/cx18/cx18-av-core.c index 3ccdf613b..3b0a2c450 100644 --- a/linux/drivers/media/video/cx18/cx18-av-core.c +++ b/linux/drivers/media/video/cx18/cx18-av-core.c @@ -80,6 +80,7 @@ static void log_video_status(struct cx18 *cx); static void cx18_av_initialize(struct cx18 *cx) { + struct cx18_av_state *state = &cx->av_state; u32 v; cx18_av_loadfw(cx); @@ -159,6 +160,149 @@ static void cx18_av_initialize(struct cx18 *cx) /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */ /* } */ cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F); + state->default_volume = 228 - cx18_av_read(cx, 0x8d4); + state->default_volume = ((state->default_volume / 2) + 23) << 9; +} + +/* ----------------------------------------------------------------------- */ + +void cx18_av_std_setup(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + v4l2_std_id std = state->std; + int hblank, hactive, burst, vblank, vactive, sc; + int vblank656, src_decimation; + 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); + + if (std & V4L2_STD_625_50) { + hblank = 132; + hactive = 720; + burst = 93; + vblank = 36; + vactive = 580; + vblank656 = 40; + src_decimation = 0x21f; + + luma_lpf = 2; + if (std & V4L2_STD_PAL) { + uv_lpf = 1; + comb = 0x20; + sc = 688739; + } else if (std == V4L2_STD_PAL_Nc) { + uv_lpf = 1; + comb = 0x20; + sc = 556453; + } else { /* SECAM */ + uv_lpf = 0; + comb = 0; + sc = 672351; + } + } else { + hactive = 720; + hblank = 122; + vactive = 487; + luma_lpf = 1; + uv_lpf = 1; + vblank = 26; + vblank656 = 26; + + src_decimation = 0x21f; + if (std == V4L2_STD_PAL_60) { + burst = 0x5b; + luma_lpf = 2; + comb = 0x20; + sc = 688739; + } else if (std == V4L2_STD_PAL_M) { + burst = 0x61; + comb = 0x20; + sc = 555452; + } else { + burst = 0x5b; + comb = 0x66; + sc = 556063; + } + } + + /* 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("PLL regs = int: %u, frac: %u, post: %u\n", + pll_int, pll_frac, pll_post); + + if (pll_post) { + int fin, fsc; + int pll = 28636363L * ((((u64)pll_int) << 25) + pll_frac); + + pll >>= 25; + pll /= pll_post; + CX18_DEBUG_INFO("PLL = %d.%06d MHz\n", + pll / 1000000, pll % 1000000); + CX18_DEBUG_INFO("PLL/8 = %d.%06d MHz\n", + pll / 8000000, (pll / 8) % 1000000); + + fin = ((u64)src_decimation * pll) >> 12; + CX18_DEBUG_INFO("ADC Sampling freq = %d.%06d MHz\n", + fin / 1000000, fin % 1000000); + + fsc = (((u64)sc) * pll) >> 24L; + CX18_DEBUG_INFO("Chroma sub-carrier freq = %d.%06d MHz\n", + fsc / 1000000, fsc % 1000000); + + CX18_DEBUG_INFO("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); + + /* Sets VBI parameters */ + if (std & V4L2_STD_625_50) { + cx18_av_write(cx, 0x47f, 0x01); + state->vbi_line_offset = 5; + } else { + cx18_av_write(cx, 0x47f, 0x00); + state->vbi_line_offset = 8; + } } /* ----------------------------------------------------------------------- */ @@ -320,7 +464,7 @@ static int set_v4lstd(struct cx18 *cx) } cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20); cx18_av_and_or(cx, 0x403, ~0x3, pal_m); - cx18_av_vbi_setup(cx); + cx18_av_std_setup(cx); input_change(cx); return 0; } @@ -559,6 +703,8 @@ int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg) switch (qc->id) { case V4L2_CID_AUDIO_VOLUME: + return v4l2_ctrl_query_fill(qc, 0, 65535, + 65535 / 100, state->default_volume); case V4L2_CID_AUDIO_MUTE: case V4L2_CID_AUDIO_BALANCE: case V4L2_CID_AUDIO_BASS: diff --git a/linux/drivers/media/video/cx18/cx18-av-core.h b/linux/drivers/media/video/cx18/cx18-av-core.h index b54239959..eb61fa1e0 100644 --- a/linux/drivers/media/video/cx18/cx18-av-core.h +++ b/linux/drivers/media/video/cx18/cx18-av-core.h @@ -79,6 +79,7 @@ struct cx18_av_state { u32 audclk_freq; int audmode; int vbi_line_offset; + int default_volume; u32 id; u32 rev; int is_initialized; @@ -305,6 +306,7 @@ u32 cx18_av_read4(struct cx18 *cx, u16 addr); int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned mask, u8 value); int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 mask, u32 value); int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg); +void cx18_av_std_setup(struct cx18 *cx); /* ----------------------------------------------------------------------- */ /* cx18_av-firmware.c */ @@ -317,7 +319,6 @@ void cx18_av_audio_set_path(struct cx18 *cx); /* ----------------------------------------------------------------------- */ /* cx18_av-vbi.c */ -void cx18_av_vbi_setup(struct cx18 *cx); int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg); #endif diff --git a/linux/drivers/media/video/cx18/cx18-av-vbi.c b/linux/drivers/media/video/cx18/cx18-av-vbi.c index 0c92f1236..02fdf57bb 100644 --- a/linux/drivers/media/video/cx18/cx18-av-vbi.c +++ b/linux/drivers/media/video/cx18/cx18-av-vbi.c @@ -83,145 +83,6 @@ static int decode_vps(u8 *dst, u8 *p) return err & 0xf0; } -void cx18_av_vbi_setup(struct cx18 *cx) -{ - struct cx18_av_state *state = &cx->av_state; - v4l2_std_id std = state->std; - int hblank, hactive, burst, vblank, vactive, sc; - int vblank656, src_decimation; - 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); - - if (std & V4L2_STD_625_50) { - hblank = 0x084; - hactive = 0x2d0; - burst = 0x5d; - vblank = 0x024; - vactive = 0x244; - vblank656 = 0x28; - src_decimation = 0x21f; - - luma_lpf = 2; - if (std & V4L2_STD_PAL) { - uv_lpf = 1; - comb = 0x20; - sc = 0x0a8263; - } else if (std == V4L2_STD_PAL_Nc) { - uv_lpf = 1; - comb = 0x20; - sc = 0x087da5; - } else { /* SECAM */ - uv_lpf = 0; - comb = 0; - sc = 0x0a425f; - } - } else { - hactive = 720; - hblank = 122; - vactive = 487; - luma_lpf = 1; - uv_lpf = 1; - vblank = 26; - vblank656 = 26; - - src_decimation = 0x21f; - if (std == V4L2_STD_PAL_60) { - burst = 0x5b; - luma_lpf = 2; - comb = 0x20; - sc = 0x0a8263; - } else if (std == V4L2_STD_PAL_M) { - burst = 0x61; - comb = 0x20; - sc = 555452; - } else { - burst = 0x5b; - comb = 0x66; - sc = 556063; - } - } - - /* 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("PLL regs = int: %u, frac: %u, post: %u\n", - pll_int, pll_frac, pll_post); - - if (pll_post) { - int fin, fsc; - int pll = 28636363L * ((((u64)pll_int) << 25) + pll_frac); - - pll >>= 25; - pll /= pll_post; - CX18_DEBUG_INFO("PLL = %d.%06d MHz\n", - pll / 1000000, pll % 1000000); - CX18_DEBUG_INFO("PLL/8 = %d.%06d MHz\n", - pll / 8000000, (pll / 8) % 1000000); - - fin = ((u64)src_decimation * pll) >> 12; - CX18_DEBUG_INFO("ADC Sampling freq = %d.%06d MHz\n", - fin / 1000000, fin % 1000000); - - fsc = (((u64)sc) * pll) >> 24L; - CX18_DEBUG_INFO("Chroma sub-carrier freq = %d.%06d MHz\n", - fsc / 1000000, fsc % 1000000); - - CX18_DEBUG_INFO("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); - - /* Sets VBI parameters */ - if (std & V4L2_STD_625_50) { - cx18_av_write(cx, 0x47f, 0x01); - state->vbi_line_offset = 5; - } else { - cx18_av_write(cx, 0x47f, 0x00); - state->vbi_line_offset = 8; - } -} - int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) { struct cx18_av_state *state = &cx->av_state; @@ -287,8 +148,8 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) /* raw VBI */ memset(svbi, 0, sizeof(*svbi)); - /* Setup VBI */ - cx18_av_vbi_setup(cx); + /* Setup standard */ + cx18_av_std_setup(cx); /* VBI Offset */ cx18_av_write(cx, 0x47f, vbi_offset); @@ -299,8 +160,8 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) for (x = 0; x <= 23; x++) lcr[x] = 0x00; - /* Setup VBI */ - cx18_av_vbi_setup(cx); + /* Setup standard */ + cx18_av_std_setup(cx); /* Sliced VBI */ cx18_av_write(cx, 0x404, 0x32); /* Ancillary data */ diff --git a/linux/drivers/media/video/cx18/cx18-cards.c b/linux/drivers/media/video/cx18/cx18-cards.c index 0caae1a5e..8fe5f38c4 100644 --- a/linux/drivers/media/video/cx18/cx18-cards.c +++ b/linux/drivers/media/video/cx18/cx18-cards.c @@ -88,6 +88,7 @@ static const struct cx18_card cx18_card_hvr1600_esmt = { .active_lo_mask = 0x3001, .msecs_asserted = 10, .msecs_recovery = 40, + .ir_reset_mask = 0x0001, }, .i2c = &cx18_i2c_std, }; @@ -133,6 +134,7 @@ static const struct cx18_card cx18_card_hvr1600_samsung = { .active_lo_mask = 0x3001, .msecs_asserted = 10, .msecs_recovery = 40, + .ir_reset_mask = 0x0001, }, .i2c = &cx18_i2c_std, }; diff --git a/linux/drivers/media/video/cx18/cx18-cards.h b/linux/drivers/media/video/cx18/cx18-cards.h index dc283d756..32155f6e6 100644 --- a/linux/drivers/media/video/cx18/cx18-cards.h +++ b/linux/drivers/media/video/cx18/cx18-cards.h @@ -83,6 +83,7 @@ struct cx18_gpio_i2c_slave_reset { u32 active_hi_mask; /* GPIO outputs that reset i2c chips when high */ int msecs_asserted; /* time period reset must remain asserted */ int msecs_recovery; /* time after deassert for chips to be ready */ + u32 ir_reset_mask; /* GPIO to reset the Zilog Z8F0811 IR contoller */ }; struct cx18_gpio_audio_input { /* select tuner/line in input */ diff --git a/linux/drivers/media/video/cx18/cx18-driver.c b/linux/drivers/media/video/cx18/cx18-driver.c index e73de6252..22434aadd 100644 --- a/linux/drivers/media/video/cx18/cx18-driver.c +++ b/linux/drivers/media/video/cx18/cx18-driver.c @@ -421,6 +421,7 @@ static int __devinit cx18_init_struct1(struct cx18 *cx) mutex_init(&cx->serialize_lock); mutex_init(&cx->i2c_bus_lock[0]); mutex_init(&cx->i2c_bus_lock[1]); + mutex_init(&cx->gpio_lock); spin_lock_init(&cx->lock); spin_lock_init(&cx->dma_reg_lock); diff --git a/linux/drivers/media/video/cx18/cx18-driver.h b/linux/drivers/media/video/cx18/cx18-driver.h index b78d0e38d..4801bc7fb 100644 --- a/linux/drivers/media/video/cx18/cx18-driver.h +++ b/linux/drivers/media/video/cx18/cx18-driver.h @@ -46,6 +46,7 @@ #include <linux/dvb/video.h> #include <linux/dvb/audio.h> #include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> #include <media/tuner.h> #include "cx18-mailbox.h" #include "cx18-av-core.h" @@ -427,6 +428,7 @@ struct cx18 { /* gpio */ u32 gpio_dir; u32 gpio_val; + struct mutex gpio_lock; /* v4l2 and User settings */ diff --git a/linux/drivers/media/video/cx18/cx18-firmware.c b/linux/drivers/media/video/cx18/cx18-firmware.c index 2d630d9f7..78fadd2ad 100644 --- a/linux/drivers/media/video/cx18/cx18-firmware.c +++ b/linux/drivers/media/video/cx18/cx18-firmware.c @@ -86,10 +86,6 @@ #define CX18_DSP0_INTERRUPT_MASK 0xd0004C -/* Encoder/decoder firmware sizes */ -#define CX18_FW_CPU_SIZE (158332) -#define CX18_FW_APU_SIZE (141200) - #define APU_ROM_SYNC1 0x6D676553 /* "mgeS" */ #define APU_ROM_SYNC2 0x72646548 /* "rdeH" */ @@ -100,35 +96,22 @@ struct cx18_apu_rom_seghdr { u32 size; }; -static int load_cpu_fw_direct(const char *fn, u8 __iomem *mem, struct cx18 *cx, long size) +static int load_cpu_fw_direct(const char *fn, u8 __iomem *mem, struct cx18 *cx) { const struct firmware *fw = NULL; - int retries = 3; int i, j; + unsigned size; u32 __iomem *dst = (u32 __iomem *)mem; const u32 *src; -retry: - if (!retries || request_firmware(&fw, fn, &cx->dev->dev)) { - CX18_ERR("Unable to open firmware %s (must be %ld bytes)\n", - fn, size); + if (request_firmware(&fw, fn, &cx->dev->dev)) { + CX18_ERR("Unable to open firmware %s\n", fn); CX18_ERR("Did you put the firmware in the hotplug firmware directory?\n"); return -ENOMEM; } src = (const u32 *)fw->data; - if (fw->size != size) { - /* Due to race conditions in firmware loading (esp. with - udev <0.95) the wrong file was sometimes loaded. So we check - filesizes to see if at least the right-sized file was - loaded. If not, then we retry. */ - CX18_INFO("retry: file loaded was not %s (expected size %ld, got %zd)\n", - fn, size, fw->size); - release_firmware(fw); - retries--; - goto retry; - } for (i = 0; i < fw->size; i += 4096) { setup_page(i); for (j = i; j < fw->size && j < i + 4096; j += 4) { @@ -145,15 +128,16 @@ retry: } if (!test_bit(CX18_F_I_LOADED_FW, &cx->i_flags)) CX18_INFO("loaded %s firmware (%zd bytes)\n", fn, fw->size); + size = fw->size; release_firmware(fw); return size; } -static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx, long size) +static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx) { const struct firmware *fw = NULL; - int retries = 3; int i, j; + unsigned size; const u32 *src; struct cx18_apu_rom_seghdr seghdr; const u8 *vers; @@ -161,10 +145,8 @@ static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx, u32 apu_version = 0; int sz; -retry: - if (!retries || request_firmware(&fw, fn, &cx->dev->dev)) { - CX18_ERR("unable to open firmware %s (must be %ld bytes)\n", - fn, size); + if (request_firmware(&fw, fn, &cx->dev->dev)) { + CX18_ERR("unable to open firmware %s\n", fn); CX18_ERR("did you put the firmware in the hotplug firmware directory?\n"); return -ENOMEM; } @@ -173,19 +155,8 @@ retry: vers = fw->data + sizeof(seghdr); sz = fw->size; - if (fw->size != size) { - /* Due to race conditions in firmware loading (esp. with - udev <0.95) the wrong file was sometimes loaded. So we check - filesizes to see if at least the right-sized file was - loaded. If not, then we retry. */ - CX18_INFO("retry: file loaded was not %s (expected size %ld, got %zd)\n", - fn, size, fw->size); - release_firmware(fw); - retries--; - goto retry; - } apu_version = (vers[0] << 24) | (vers[4] << 16) | vers[32]; - while (offset + sizeof(seghdr) < size) { + while (offset + sizeof(seghdr) < fw->size) { /* TODO: byteswapping */ memcpy(&seghdr, src + offset / 4, sizeof(seghdr)); offset += sizeof(seghdr); @@ -215,6 +186,7 @@ retry: if (!test_bit(CX18_F_I_LOADED_FW, &cx->i_flags)) CX18_INFO("loaded %s firmware V%08x (%zd bytes)\n", fn, apu_version, fw->size); + size = fw->size; release_firmware(fw); /* Clear bit0 for APU to start from 0 */ write_reg(read_reg(0xc72030) & ~1, 0xc72030); @@ -340,7 +312,7 @@ int cx18_firmware_init(struct cx18 *cx) /* Only if the processor is not running */ if (read_reg(CX18_PROC_SOFT_RESET) & 8) { int sz = load_apu_fw_direct("v4l-cx23418-apu.fw", - cx->enc_mem, cx, CX18_FW_APU_SIZE); + cx->enc_mem, cx); write_enc(0xE51FF004, 0); write_enc(0xa00000, 4); /* todo: not hardcoded */ @@ -348,7 +320,7 @@ int cx18_firmware_init(struct cx18 *cx) cx18_msleep_timeout(500, 0); sz = sz <= 0 ? sz : load_cpu_fw_direct("v4l-cx23418-cpu.fw", - cx->enc_mem, cx, CX18_FW_CPU_SIZE); + cx->enc_mem, cx); if (sz > 0) { int retries = 0; diff --git a/linux/drivers/media/video/cx18/cx18-gpio.c b/linux/drivers/media/video/cx18/cx18-gpio.c index 089bad6d8..3d495dba4 100644 --- a/linux/drivers/media/video/cx18/cx18-gpio.c +++ b/linux/drivers/media/video/cx18/cx18-gpio.c @@ -69,6 +69,7 @@ void cx18_reset_i2c_slaves_gpio(struct cx18 *cx) /* Assuming that the masks are a subset of the bits in gpio_dir */ /* Assert */ + mutex_lock(&cx->gpio_lock); cx->gpio_val = (cx->gpio_val | p->active_hi_mask) & ~(p->active_lo_mask); gpio_write(cx); @@ -79,10 +80,53 @@ void cx18_reset_i2c_slaves_gpio(struct cx18 *cx) (cx->gpio_val | p->active_lo_mask) & ~(p->active_hi_mask); gpio_write(cx); schedule_timeout_uninterruptible(msecs_to_jiffies(p->msecs_recovery)); + mutex_unlock(&cx->gpio_lock); } +void cx18_reset_ir_gpio(void *data) +{ + struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; + const struct cx18_gpio_i2c_slave_reset *p; + + p = &cx->card->gpio_i2c_slave_reset; + + if (p->ir_reset_mask == 0) + return; + + CX18_DEBUG_INFO("Resetting IR microcontroller\n"); + + /* + Assert timing for the Z8F0811 on HVR-1600 boards: + 1. Assert RESET for min of 4 clock cycles at 18.432 MHz to initiate + 2. Reset then takes 66 WDT cycles at 10 kHz + 16 xtal clock cycles + (6,601,085 nanoseconds ~= 7 milliseconds) + 3. DBG pin must be high before chip exits reset for normal operation. + DBG is open drain and hopefully pulled high since we don't + normally drive it (GPIO 1?) for the HVR-1600 + 4. Z8F0811 won't exit reset until RESET is deasserted + */ + mutex_lock(&cx->gpio_lock); + cx->gpio_val = cx->gpio_val & ~p->ir_reset_mask; + gpio_write(cx); + mutex_unlock(&cx->gpio_lock); + schedule_timeout_uninterruptible(msecs_to_jiffies(p->msecs_asserted)); + + /* + Zilog comes out of reset, loads reset vector address and executes + from there. Required recovery delay unknown. + */ + mutex_lock(&cx->gpio_lock); + cx->gpio_val = cx->gpio_val | p->ir_reset_mask; + gpio_write(cx); + mutex_unlock(&cx->gpio_lock); + schedule_timeout_uninterruptible(msecs_to_jiffies(p->msecs_recovery)); +} +EXPORT_SYMBOL(cx18_reset_ir_gpio); +/* This symbol is exported for use by an infrared module for the IR-blaster */ + void cx18_gpio_init(struct cx18 *cx) { + mutex_lock(&cx->gpio_lock); cx->gpio_dir = cx->card->gpio_init.direction; cx->gpio_val = cx->card->gpio_init.initial_value; @@ -91,14 +135,17 @@ void cx18_gpio_init(struct cx18 *cx) cx->gpio_val |= 1 << cx->card->xceive_pin; } - if (cx->gpio_dir == 0) + if (cx->gpio_dir == 0) { + mutex_unlock(&cx->gpio_lock); return; + } CX18_DEBUG_INFO("GPIO initial dir: %08x/%08x out: %08x/%08x\n", read_reg(CX18_REG_GPIO_DIR1), read_reg(CX18_REG_GPIO_DIR2), read_reg(CX18_REG_GPIO_OUT1), read_reg(CX18_REG_GPIO_OUT2)); gpio_write(cx); + mutex_unlock(&cx->gpio_lock); } /* Xceive tuner reset function */ @@ -112,13 +159,16 @@ int cx18_reset_tuner_gpio(void *dev, int cmd, int value) return 0; CX18_DEBUG_INFO("Resetting tuner\n"); + mutex_lock(&cx->gpio_lock); cx->gpio_val &= ~(1 << cx->card->xceive_pin); - gpio_write(cx); + mutex_unlock(&cx->gpio_lock); schedule_timeout_interruptible(msecs_to_jiffies(1)); + mutex_lock(&cx->gpio_lock); cx->gpio_val |= 1 << cx->card->xceive_pin; gpio_write(cx); + mutex_unlock(&cx->gpio_lock); schedule_timeout_interruptible(msecs_to_jiffies(1)); return 0; } @@ -151,8 +201,10 @@ int cx18_gpio(struct cx18 *cx, unsigned int command, void *arg) return -EINVAL; } if (mask) { + mutex_lock(&cx->gpio_lock); cx->gpio_val = (cx->gpio_val & ~mask) | (data & mask); gpio_write(cx); + mutex_unlock(&cx->gpio_lock); } return 0; } diff --git a/linux/drivers/media/video/cx18/cx18-gpio.h b/linux/drivers/media/video/cx18/cx18-gpio.h index 7447fed35..22cd7ddf8 100644 --- a/linux/drivers/media/video/cx18/cx18-gpio.h +++ b/linux/drivers/media/video/cx18/cx18-gpio.h @@ -22,5 +22,6 @@ void cx18_gpio_init(struct cx18 *cx); void cx18_reset_i2c_slaves_gpio(struct cx18 *cx); +void cx18_reset_ir_gpio(void *data); int cx18_reset_tuner_gpio(void *dev, int cmd, int value); int cx18_gpio(struct cx18 *cx, unsigned int command, void *arg); diff --git a/linux/drivers/media/video/cx18/cx18-ioctl.c b/linux/drivers/media/video/cx18/cx18-ioctl.c index b3d72d4a4..0221a67aa 100644 --- a/linux/drivers/media/video/cx18/cx18-ioctl.c +++ b/linux/drivers/media/video/cx18/cx18-ioctl.c @@ -821,8 +821,10 @@ static int cx18_log_status(struct file *file, void *fh) cx18_get_audio_input(cx, cx->audio_input, &audin); CX18_INFO("Video Input: %s\n", vidin.name); CX18_INFO("Audio Input: %s\n", audin.name); + mutex_lock(&cx->gpio_lock); CX18_INFO("GPIO: direction 0x%08x, value 0x%08x\n", cx->gpio_dir, cx->gpio_val); + mutex_unlock(&cx->gpio_lock); CX18_INFO("Tuner: %s\n", test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? "Radio" : "TV"); cx2341x_log_status(&cx->params, cx->name); @@ -857,6 +859,15 @@ static int cx18_default(struct file *file, void *fh, int cmd, void *arg) cx18_audio_set_route(cx, route); break; } + + case VIDIOC_INT_RESET: { + u32 val = *(u32 *)arg; + + if ((val == 0) || (val & 0x01)) + cx18_reset_ir_gpio(&cx->i2c_algo_cb_data[0]); + break; + } + default: return -EINVAL; } diff --git a/linux/drivers/media/video/cx18/cx18-irq.c b/linux/drivers/media/video/cx18/cx18-irq.c index 25114a5cb..654664783 100644 --- a/linux/drivers/media/video/cx18/cx18-irq.c +++ b/linux/drivers/media/video/cx18/cx18-irq.c @@ -132,7 +132,11 @@ static void hpu_cmd(struct cx18 *cx, u32 sw1) CX18_WARN("Unexpected interrupt %08x\n", sw1); } +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 18) +irqreturn_t cx18_irq_handler(int irq, void *dev_id, struct pt_regs *regs) +#else irqreturn_t cx18_irq_handler(int irq, void *dev_id) +#endif { struct cx18 *cx = (struct cx18 *)dev_id; u32 sw1, sw1_mask; diff --git a/linux/drivers/media/video/cx18/cx18-irq.h b/linux/drivers/media/video/cx18/cx18-irq.h index 379f704f5..cbcd2022f 100644 --- a/linux/drivers/media/video/cx18/cx18-irq.h +++ b/linux/drivers/media/video/cx18/cx18-irq.h @@ -30,7 +30,11 @@ #define SW2_INT_STATUS 0xc73144 #define SW2_INT_ENABLE_PCI 0xc7315c +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 18) +irqreturn_t cx18_irq_handler(int irq, void *dev_id, struct pt_regs *regs); +#else irqreturn_t cx18_irq_handler(int irq, void *dev_id); +#endif void cx18_irq_work_handler(struct work_struct *work); void cx18_dma_stream_dec_prepare(struct cx18_stream *s, u32 offset, int lock); diff --git a/linux/drivers/media/video/cx18/cx18-streams.c b/linux/drivers/media/video/cx18/cx18-streams.c index df99070e6..3eedae726 100644 --- a/linux/drivers/media/video/cx18/cx18-streams.c +++ b/linux/drivers/media/video/cx18/cx18-streams.c @@ -194,7 +194,7 @@ static int cx18_prep_dev(struct cx18 *cx, int type) cx->num); s->v4l2dev->minor = minor; - s->v4l2dev->dev = &cx->dev->dev; + s->v4l2dev->parent = &cx->dev->dev; s->v4l2dev->fops = cx18_stream_info[type].fops; s->v4l2dev->release = video_device_release; s->v4l2dev->tvnorms = V4L2_STD_ALL; @@ -311,8 +311,10 @@ void cx18_streams_cleanup(struct cx18 *cx, int unregister) /* Teardown all streams */ for (type = 0; type < CX18_MAX_STREAMS; type++) { - if (cx->streams[type].dvb.enabled) + if (cx->streams[type].dvb.enabled) { cx18_dvb_unregister(&cx->streams[type]); + cx->streams[type].dvb.enabled = false; + } vdev = cx->streams[type].v4l2dev; |